diff options
Diffstat (limited to 'drivers/hid')
129 files changed, 33350 insertions, 9392 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 3052e2969ad..5e79c6ad914 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -1,20 +1,11 @@ # # HID driver configuration # -menuconfig HID_SUPPORT - bool "HID Devices" - depends on INPUT - default y - ---help--- - Say Y here to get to see options for various computer-human interface - device drivers. This option alone does not add any kernel code. - - If you say N, all options in this submenu will be skipped and disabled. - -if HID_SUPPORT +menu "HID support" + depends on INPUT config HID - tristate "Generic HID support" + tristate "HID bus support" depends on INPUT default y ---help--- @@ -23,14 +14,26 @@ config HID most commonly used to refer to the USB-HID specification, but other devices (such as, but not strictly limited to, Bluetooth) are designed using HID specification (this involves certain keyboards, - mice, tablets, etc). This option compiles into kernel the generic - HID layer code (parser, usages, etc.), which can then be used by - transport-specific HID implementation (like USB or Bluetooth). + mice, tablets, etc). This option adds the HID bus to the kernel, + together with generic HID layer code. The HID devices are added and + removed from the HID bus by the transport-layer drivers, such as + usbhid (USB_HID) and hidp (BT_HIDP). For docs and specs, see http://www.usb.org/developers/hidpage/ If unsure, say Y. +if HID + +config HID_BATTERY_STRENGTH + bool "Battery level reporting for HID devices" + depends on HID && POWER_SUPPLY && HID = POWER_SUPPLY + default n + ---help--- + This option adds support of reporting battery strength (for HID devices + that support this feature) through power_supply class so that userspace + tools, such as upower, can display it. + config HIDRAW bool "/dev/hidraw raw HID device support" depends on HID @@ -50,36 +53,68 @@ config HIDRAW If unsure, say Y. -source "drivers/hid/usbhid/Kconfig" - -menu "Special HID drivers" +config UHID + tristate "User-space I/O driver support for HID subsystem" depends on HID + default n + ---help--- + Say Y here if you want to provide HID I/O Drivers from user-space. + This allows to write I/O drivers in user-space and feed the data from + the device into the kernel. The kernel parses the HID reports, loads the + corresponding HID Device Driver or provides input devices on top of your + user-space device. -config HID_3M_PCT - tristate "3M PCT touchscreen" - depends on USB_HID + This driver cannot be used to parse HID-reports in user-space and write + special HID-drivers. You should use hidraw for that. + Instead, this driver allows to write the transport-layer driver in + user-space like USB-HID and Bluetooth-HID do in kernel-space. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called uhid. + +config HID_GENERIC + tristate "Generic HID driver" + depends on HID + default HID ---help--- - Support for 3M PCT touch screens. + Support for generic devices on the HID bus. This includes most + keyboards and mice, joysticks, tablets and digitizers. + + To compile this driver as a module, choose M here: the module + will be called hid-generic. + + If unsure, say Y. + +menu "Special HID drivers" + depends on HID config HID_A4TECH - tristate "A4 tech mice" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "A4 tech mice" if EXPERT + depends on HID + default !EXPERT ---help--- Support for A4 tech X5 and WOP-35 / Trust 450L mice. +config HID_ACRUX + tristate "ACRUX game controller support" + depends on HID + ---help--- + Say Y here if you want to enable support for ACRUX game controllers. + config HID_ACRUX_FF - tristate "ACRUX force feedback" - depends on USB_HID + bool "ACRUX force feedback support" + depends on HID_ACRUX select INPUT_FF_MEMLESS ---help--- Say Y here if you want to enable force feedback support for ACRUX game controllers. config HID_APPLE - tristate "Apple {i,Power,Mac}Books" if EMBEDDED - depends on (USB_HID || BT_HIDP) - default !EMBEDDED + tristate "Apple {i,Power,Mac}Books" if EXPERT + depends on HID + default !EXPERT ---help--- Support for some Apple devices which less or more break HID specification. @@ -87,36 +122,47 @@ config HID_APPLE Say Y here if you want support for keyboards of Apple iBooks, PowerBooks, MacBooks, MacBook Pros and Apple Aluminum. -config HID_BELKIN - tristate "Belkin Flip KVM and Wireless keyboard" if EMBEDDED - depends on USB_HID - default !EMBEDDED +config HID_APPLEIR + tristate "Apple infrared receiver" + depends on (USB_HID) ---help--- - Support for Belkin Flip KVM and Wireless keyboard. + Support for Apple infrared remote control. All the Apple computers from + 2005 onwards include such a port, except the unibody Macbook (2009), + and Mac Pros. This receiver is also used in the Apple TV set-top box + prior to the 2010 model. -config HID_CANDO - tristate "Cando dual touch panel" - depends on USB_HID + Say Y here if you want support for Apple infrared remote control. + +config HID_AUREAL + tristate "Aureal" + depends on HID ---help--- - Support for Cando dual touch panel. + Support for Aureal Cy se W-01RN Remote Controller and other Aureal derived remotes. + +config HID_BELKIN + tristate "Belkin Flip KVM and Wireless keyboard" if EXPERT + depends on HID + default !EXPERT + ---help--- + Support for Belkin Flip KVM and Wireless keyboard. config HID_CHERRY - tristate "Cherry Cymotion keyboard" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Cherry Cymotion keyboard" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Cherry Cymotion keyboard. config HID_CHICONY - tristate "Chicony Tactical pad" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Chicony Tactical pad" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Chicony Tactical pad. config HID_PRODIKEYS tristate "Prodikeys PC-MIDI Keyboard support" - depends on USB_HID && SND + depends on HID && SND select SND_RAWMIDI ---help--- Support for Prodikeys PC-MIDI Keyboard device support. @@ -129,18 +175,32 @@ config HID_PRODIKEYS multimedia keyboard, but will lack support for the musical keyboard and some additional multimedia keys. +config HID_CP2112 + tristate "Silicon Labs CP2112 HID USB-to-SMBus Bridge support" + depends on USB_HID && I2C && GPIOLIB + ---help--- + Support for Silicon Labs CP2112 HID USB to SMBus Master Bridge. + This is a HID device driver which registers as an i2c adapter + and gpiochip to expose these functions of the CP2112. The + customizable USB descriptor fields are exposed as sysfs attributes. + config HID_CYPRESS - tristate "Cypress mouse and barcode readers" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Cypress mouse and barcode readers" if EXPERT + depends on HID + default !EXPERT ---help--- Support for cypress mouse and barcode readers. config HID_DRAGONRISE tristate "DragonRise Inc. game controller" - depends on USB_HID + depends on HID ---help--- - Say Y here if you have DragonRise Inc.game controllers. + Say Y here if you have DragonRise Inc. game controllers. + These might be branded as: + - Tesun USB-703 + - Media-tech MT1504 "Rogue" + - DVTech JS19 "Gear" + - Defender Game Master config DRAGONRISE_FF bool "DragonRise Inc. force feedback" @@ -150,70 +210,158 @@ config DRAGONRISE_FF Say Y here if you want to enable force feedback support for DragonRise Inc. game controllers. -config HID_EGALAX - tristate "eGalax multi-touch panel" - depends on USB_HID +config HID_EMS_FF + tristate "EMS Production Inc. force feedback support" + depends on HID + select INPUT_FF_MEMLESS ---help--- - Support for the eGalax dual-touch panel. + Say Y here if you want to enable force feedback support for devices by + EMS Production Ltd. + Currently the following devices are known to be supported: + - Trio Linker Plus II config HID_ELECOM tristate "ELECOM BM084 bluetooth mouse" - depends on BT_HIDP + depends on HID ---help--- Support for the ELECOM BM084 (bluetooth mouse). -config HID_EZKEY - tristate "Ezkey BTC 8193 keyboard" if EMBEDDED +config HID_ELO + tristate "ELO USB 4000/4500 touchscreen" depends on USB_HID - default !EMBEDDED + ---help--- + Support for the ELO USB 4000/4500 touchscreens. Note that this is for + different devices than those handled by CONFIG_TOUCHSCREEN_USB_ELO. + +config HID_EZKEY + tristate "Ezkey BTC 8193 keyboard" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Ezkey BTC 8193 keyboard. -config HID_KYE - tristate "Kye/Genius Ergo Mouse" if EMBEDDED +config HID_HOLTEK + tristate "Holtek HID devices" + depends on USB_HID + ---help--- + Support for Holtek based devices: + - Holtek On Line Grip based game controller + - Trust GXT 18 Gaming Keyboard + - Sharkoon Drakonia / Perixx MX-2000 gaming mice + - Tracer Sniper TRM-503 / NOVA Gaming Slider X200 / + Zalman ZM-GM1 + - SHARKOON DarkGlider Gaming mouse + - LEETGION Hellion Gaming Mouse + +config HOLTEK_FF + bool "Holtek On Line Grip force feedback support" + depends on HID_HOLTEK + select INPUT_FF_MEMLESS + ---help--- + Say Y here if you have a Holtek On Line Grip based game controller + and want to have force feedback support for it. + +config HID_HUION + tristate "Huion tablets" depends on USB_HID - default !EMBEDDED ---help--- - Support for Kye/Genius Ergo Mouse. + Support for Huion 580 tablet. + +config HID_KEYTOUCH + tristate "Keytouch HID devices" + depends on HID + ---help--- + Support for Keytouch HID devices not fully compliant with + the specification. Currently supported: + - Keytouch IEC 60945 + +config HID_KYE + tristate "KYE/Genius devices" + depends on HID + ---help--- + Support for KYE/Genius devices not fully compliant with HID standard: + - Ergo Mouse + - EasyPen i405X tablet + - MousePen i608X tablet + - EasyPen M610X tablet config HID_UCLOGIC tristate "UC-Logic" - depends on USB_HID + depends on HID ---help--- Support for UC-Logic tablets. config HID_WALTOP tristate "Waltop" - depends on USB_HID + depends on HID ---help--- Support for Waltop tablets. config HID_GYRATION tristate "Gyration remote control" - depends on USB_HID + depends on HID ---help--- Support for Gyration remote control. +config HID_ICADE + tristate "ION iCade arcade controller" + depends on HID + ---help--- + Support for the ION iCade arcade controller to work as a joystick. + + To compile this driver as a module, choose M here: the + module will be called hid-icade. + config HID_TWINHAN tristate "Twinhan IR remote control" - depends on USB_HID + depends on HID ---help--- Support for Twinhan IR remote control. config HID_KENSINGTON - tristate "Kensington Slimblade Trackball" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Kensington Slimblade Trackball" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Kensington Slimblade Trackball. +config HID_LCPOWER + tristate "LC-Power" + depends on HID + ---help--- + Support for LC-Power RC1000MCE RF remote control. + +config HID_LENOVO_TPKBD + tristate "Lenovo ThinkPad USB Keyboard with TrackPoint" + depends on HID + select NEW_LEDS + select LEDS_CLASS + ---help--- + Support for the Lenovo ThinkPad USB Keyboard with TrackPoint. + + Say Y here if you have a Lenovo ThinkPad USB Keyboard with TrackPoint + and would like to use device-specific features like changing the + sensitivity of the trackpoint, using the microphone mute button or + controlling the mute and microphone mute LEDs. + config HID_LOGITECH - tristate "Logitech devices" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Logitech devices" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Logitech devices that are not fully compliant with HID standard. +config HID_LOGITECH_DJ + tristate "Logitech Unifying receivers full support" + depends on HIDRAW + depends on HID_LOGITECH + ---help--- + Say Y if you want support for Logitech Unifying receivers and devices. + Unifying receivers are capable of pairing up to 6 Logitech compliant + devices to the same receiver. Without this driver it will be handled by + generic USB_HID driver and all incoming events will be multiplexed + into a single mouse and a single keyboard device. + config LOGITECH_FF bool "Logitech force feedback support" depends on HID_LOGITECH @@ -225,19 +373,20 @@ config LOGITECH_FF - Logitech WingMan Force 3D - Logitech Formula Force EX - Logitech WingMan Formula Force GP - - Logitech MOMO Force wheel and if you want to enable force feedback for them. Note: if you say N here, this device will still be supported, but without force feedback. config LOGIRUMBLEPAD2_FF - bool "Logitech RumblePad/Rumblepad 2 force feedback support" + bool "Logitech force feedback support (variant 2)" depends on HID_LOGITECH select INPUT_FF_MEMLESS help - Say Y here if you want to enable force feedback support for Logitech - RumblePad and Rumblepad 2 devices. + Say Y here if you want to enable force feedback support for: + - Logitech RumblePad + - Logitech Rumblepad 2 + - Logitech Formula Vibration Feedback Wheel config LOGIG940_FF bool "Logitech Flight System G940 force feedback support" @@ -247,43 +396,90 @@ config LOGIG940_FF Say Y here if you want to enable force feedback support for Logitech Flight System G940 devices. -config LOGIWII_FF - bool "Logitech Speed Force Wireless force feedback support" +config LOGIWHEELS_FF + bool "Logitech wheels configuration and force feedback support" depends on HID_LOGITECH select INPUT_FF_MEMLESS + default LOGITECH_FF help - Say Y here if you want to enable force feedback support for Logitech - Speed Force Wireless (Wii) devices. + Say Y here if you want to enable force feedback and range setting + support for following Logitech wheels: + - Logitech Driving Force + - Logitech Driving Force Pro + - Logitech Driving Force GT + - Logitech G25 + - Logitech G27 + - Logitech MOMO/MOMO 2 + - Logitech Formula Force EX config HID_MAGICMOUSE - tristate "Apple MagicMouse multi-touch support" - depends on BT_HIDP + tristate "Apple Magic Mouse/Trackpad multi-touch support" + depends on HID ---help--- - Support for the Apple Magic Mouse multi-touch. + Support for the Apple Magic Mouse/Trackpad multi-touch. Say Y here if you want support for the multi-touch features of the - Apple Wireless "Magic" Mouse. + Apple Wireless "Magic" Mouse and the Apple Wireless "Magic" Trackpad. config HID_MICROSOFT - tristate "Microsoft non-fully HID-compliant devices" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Microsoft non-fully HID-compliant devices" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Microsoft devices that are not fully compliant with HID standard. -config HID_MOSART - tristate "MosArt dual-touch panels" - depends on USB_HID - ---help--- - Support for MosArt dual-touch panels. - config HID_MONTEREY - tristate "Monterey Genius KB29E keyboard" if EMBEDDED - depends on USB_HID - default !EMBEDDED + tristate "Monterey Genius KB29E keyboard" if EXPERT + depends on HID + default !EXPERT ---help--- Support for Monterey Genius KB29E. +config HID_MULTITOUCH + tristate "HID Multitouch panels" + depends on HID + ---help--- + Generic support for HID multitouch panels. + + Say Y here if you have one of the following devices: + - 3M PCT touch screens + - ActionStar dual touch panels + - Atmel panels + - Cando dual touch panels + - Chunghwa panels + - CVTouch panels + - Cypress TrueTouch panels + - Elan Microelectronics touch panels + - Elo TouchSystems IntelliTouch Plus panels + - GeneralTouch 'Sensing Win7-TwoFinger' panels + - GoodTouch panels + - Hanvon dual touch panels + - Ilitek dual touch panels + - IrTouch Infrared USB panels + - LG Display panels (Dell ST2220Tc) + - Lumio CrystalTouch panels + - MosArt dual-touch panels + - Panasonic multitouch panels + - PenMount dual touch panels + - Perixx Peripad 701 touchpad + - PixArt optical touch screen + - Pixcir dual touch panels + - Quanta panels + - eGalax dual-touch panels, including the Joojoo and Wetab tablets + - SiS multitouch panels + - Stantum multitouch panels + - Touch International Panels + - Unitec Panels + - Wistron optical touch panels + - XAT optical touch panels + - Xiroku optical touch panels + - Zytronic touch panels + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called hid-multitouch. + config HID_NTRIG tristate "N-Trig touch screen" depends on USB_HID @@ -291,14 +487,21 @@ config HID_NTRIG Support for N-Trig touch screen. config HID_ORTEK - tristate "Ortek WKB-2000 wireless keyboard and mouse trackpad" - depends on USB_HID + tristate "Ortek PKB-1700/WKB-2000/Skycable wireless keyboard and mouse trackpad" + depends on HID ---help--- - Support for Ortek WKB-2000 wireless keyboard + mouse trackpad. + There are certain devices which have LogicalMaximum wrong in the keyboard + usage page of their report descriptor. The most prevailing ones so far + are manufactured by Ortek, thus the name of the driver. Currently + supported devices by this driver are + + - Ortek PKB-1700 + - Ortek WKB-2000 + - Skycable wireless presenter config HID_PANTHERLORD tristate "Pantherlord/GreenAsia game controller" - depends on USB_HID + depends on HID ---help--- Say Y here if you have a PantherLord/GreenAsia based game controller or adapter. @@ -313,13 +516,13 @@ config PANTHERLORD_FF config HID_PETALYNX tristate "Petalynx Maxter remote control" - depends on USB_HID + depends on HID ---help--- Support for Petalynx Maxter remote control. config HID_PICOLCD tristate "PicoLCD (graphic version)" - depends on USB_HID + depends on HID ---help--- This provides support for Minibox PicoLCD devices, currently only the graphical ones are supported. @@ -337,8 +540,8 @@ config HID_PICOLCD - IR config HID_PICOLCD_FB - bool "Framebuffer support" if EMBEDDED - default !EMBEDDED + bool "Framebuffer support" if EXPERT + default !EXPERT depends on HID_PICOLCD depends on HID_PICOLCD=FB || FB=y select FB_DEFERRED_IO @@ -348,11 +551,11 @@ config HID_PICOLCD_FB select FB_SYS_FOPS ---help--- Provide access to PicoLCD's 256x64 monochrome display via a - frambuffer device. + framebuffer device. config HID_PICOLCD_BACKLIGHT - bool "Backlight control" if EMBEDDED - default !EMBEDDED + bool "Backlight control" if EXPERT + default !EXPERT depends on HID_PICOLCD depends on HID_PICOLCD=BACKLIGHT_CLASS_DEVICE || BACKLIGHT_CLASS_DEVICE=y ---help--- @@ -360,76 +563,114 @@ config HID_PICOLCD_BACKLIGHT class. config HID_PICOLCD_LCD - bool "Contrast control" if EMBEDDED - default !EMBEDDED + bool "Contrast control" if EXPERT + default !EXPERT depends on HID_PICOLCD depends on HID_PICOLCD=LCD_CLASS_DEVICE || LCD_CLASS_DEVICE=y ---help--- Provide access to PicoLCD's LCD contrast via lcd class. config HID_PICOLCD_LEDS - bool "GPO via leds class" if EMBEDDED - default !EMBEDDED + bool "GPO via leds class" if EXPERT + default !EXPERT depends on HID_PICOLCD depends on HID_PICOLCD=LEDS_CLASS || LEDS_CLASS=y ---help--- Provide access to PicoLCD's GPO pins via leds class. -config HID_QUANTA - tristate "Quanta Optical Touch panels" - depends on USB_HID +config HID_PICOLCD_CIR + bool "CIR via RC class" if EXPERT + default !EXPERT + depends on HID_PICOLCD + depends on HID_PICOLCD=RC_CORE || RC_CORE=y ---help--- - Support for Quanta Optical Touch dual-touch panels. + Provide access to PicoLCD's CIR interface via remote control (LIRC). -config HID_ROCCAT - tristate "Roccat special event support" - depends on USB_HID +config HID_PRIMAX + tristate "Primax non-fully HID-compliant devices" + depends on HID ---help--- - Support for Roccat special events. - Say Y here if you have a Roccat mouse or keyboard and want OSD or - macro execution support. + Support for Primax devices that are not fully compliant with the + HID standard. -config HID_ROCCAT_KONE - tristate "Roccat Kone Mouse support" +config HID_ROCCAT + tristate "Roccat device support" depends on USB_HID - select HID_ROCCAT ---help--- - Support for Roccat Kone mouse. + Support for Roccat devices. + Say Y here if you have a Roccat mouse or keyboard and want + support for its special functionalities. -config HID_ROCCAT_PYRA - tristate "Roccat Pyra mouse support" - depends on USB_HID - select HID_ROCCAT +config HID_SAITEK + tristate "Saitek non-fully HID-compliant devices" + depends on HID ---help--- - Support for Roccat Pyra mouse. + Support for Saitek devices that are not fully compliant with the + HID standard. + + Supported devices: + - PS1000 Dual Analog Pad + - R.A.T.7 Gaming Mouse + - M.M.O.7 Gaming Mouse config HID_SAMSUNG tristate "Samsung InfraRed remote control or keyboards" - depends on USB_HID + depends on HID ---help--- Support for Samsung InfraRed remote control or keyboards. config HID_SONY - tristate "Sony PS3 controller" + tristate "Sony PS2/3/4 accessories" depends on USB_HID + depends on NEW_LEDS + depends on LEDS_CLASS + select POWER_SUPPLY ---help--- - Support for Sony PS3 controller. + Support for -config HID_STANTUM - tristate "Stantum multitouch panel" - depends on USB_HID + * Sony PS3 6-axis controllers + * Sony PS4 DualShock 4 controllers + * Buzz controllers + * Sony PS3 Blue-ray Disk Remote Control (Bluetooth) + * Logitech Harmony adapter for Sony Playstation 3 (Bluetooth) + +config SONY_FF + bool "Sony PS2/3/4 accessories force feedback support" + depends on HID_SONY + select INPUT_FF_MEMLESS + ---help--- + Say Y here if you have a Sony PS2/3/4 accessory and want to enable + force feedback support for it. + +config HID_SPEEDLINK + tristate "Speedlink VAD Cezanne mouse support" + depends on HID ---help--- - Support for Stantum multitouch panel. + Support for Speedlink Vicious and Divine Cezanne mouse. + +config HID_STEELSERIES + tristate "Steelseries SRW-S1 steering wheel support" + depends on HID + ---help--- + Support for Steelseries SRW-S1 steering wheel config HID_SUNPLUS tristate "Sunplus wireless desktop" - depends on USB_HID + depends on HID ---help--- Support for Sunplus wireless desktop. +config HID_RMI + tristate "Synaptics RMI4 device support" + depends on HID + ---help--- + Support for Synaptics RMI4 touchpads. + Say Y here if you have a Synaptics RMI4 touchpads over i2c-hid or usbhid + and want support for its special functionalities. + config HID_GREENASIA tristate "GreenAsia (Product ID 0x12) game controller support" - depends on USB_HID + depends on HID ---help--- Say Y here if you have a GreenAsia (Product ID 0x12) based game controller or adapter. @@ -443,11 +684,21 @@ config GREENASIA_FF (like MANTA Warrior MM816 and SpeedLink Strike2 SL-6635) or adapter and want to enable force feedback support for it. +config HID_HYPERV_MOUSE + tristate "Microsoft Hyper-V mouse driver" + depends on HYPERV + ---help--- + Select this option to enable the Hyper-V mouse driver. + config HID_SMARTJOYPLUS tristate "SmartJoy PLUS PS2/USB adapter support" - depends on USB_HID + depends on HID ---help--- - Support for SmartJoy PLUS PS2/USB adapter. + Support for SmartJoy PLUS PS2/USB adapter, Super Dual Box, + Super Joy Box 3 Pro, Super Dual Box Pro, and Super Joy Box 5 Pro. + + Note that DDR (Dance Dance Revolution) mode is not supported, nor + is pressure sensitive buttons on the pro models. config SMARTJOYPLUS_FF bool "SmartJoy PLUS PS2/USB adapter force feedback support" @@ -457,16 +708,32 @@ config SMARTJOYPLUS_FF Say Y here if you have a SmartJoy PLUS PS2/USB adapter and want to enable force feedback support for it. +config HID_TIVO + tristate "TiVo Slide Bluetooth remote control support" + depends on HID + ---help--- + Say Y if you have a TiVo Slide Bluetooth remote control. + config HID_TOPSEED tristate "TopSeed Cyberlink, BTC Emprex, Conceptronic remote control support" - depends on USB_HID + depends on HID ---help--- Say Y if you have a TopSeed Cyberlink or BTC Emprex or Conceptronic CLLRCMCE remote control. +config HID_THINGM + tristate "ThingM blink(1) USB RGB LED" + depends on HID + depends on LEDS_CLASS + ---help--- + Support for the ThingM blink(1) USB RGB LED. This driver registers a + Linux LED class instance, plus additional sysfs attributes to control + RGB colors, fade time and playing. The device is exposed through hidraw + to access other functions. + config HID_THRUSTMASTER tristate "ThrustMaster devices support" - depends on USB_HID + depends on HID ---help--- Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or a THRUSTMASTER Ferrari GT Rumble Wheel. @@ -482,21 +749,48 @@ config THRUSTMASTER_FF config HID_WACOM tristate "Wacom Bluetooth devices support" - depends on BT_HIDP + depends on HID + depends on LEDS_CLASS + select POWER_SUPPLY ---help--- - Support for Wacom Graphire Bluetooth tablet. + Support for Wacom Graphire Bluetooth and Intuos4 WL tablets. -config HID_WACOM_POWER_SUPPLY - bool "Wacom Bluetooth devices power supply status support" - depends on HID_WACOM +config HID_WIIMOTE + tristate "Nintendo Wii / Wii U peripherals" + depends on HID + depends on LEDS_CLASS select POWER_SUPPLY + select INPUT_FF_MEMLESS + ---help--- + Support for Nintendo Wii and Wii U Bluetooth peripherals. Supported + devices are the Wii Remote and its extension devices, but also devices + based on the Wii Remote like the Wii U Pro Controller or the + Wii Balance Board. + + Support for all official Nintendo extensions is available, however, 3rd + party extensions might not be supported. Please report these devices to: + http://github.com/dvdhrm/xwiimote/issues + + Other Nintendo Wii U peripherals that are IEEE 802.11 based (including + the Wii U Gamepad) might be supported in the future. But currently + support is limited to Bluetooth based devices. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called hid-wiimote. + +config HID_XINMO + tristate "Xin-Mo non-fully compliant devices" + depends on HID ---help--- - Say Y here if you want to enable power supply status monitoring for - Wacom Bluetooth devices. + Support for Xin-Mo devices that are not fully compliant with the HID + standard. Currently only supports the Xin-Mo Dual Arcade. Say Y here + if you have a Xin-Mo Dual Arcade controller. config HID_ZEROPLUS tristate "Zeroplus based game controller support" - depends on USB_HID + depends on HID ---help--- Say Y here if you have a Zeroplus based game controller. @@ -510,10 +804,30 @@ config ZEROPLUS_FF config HID_ZYDACRON tristate "Zydacron remote control support" - depends on USB_HID + depends on HID ---help--- Support for Zydacron remote control. +config HID_SENSOR_HUB + tristate "HID Sensors framework support" + depends on HID && HAS_IOMEM + select MFD_CORE + default n + ---help--- + Support for HID Sensor framework. This creates a MFD instance + for a sensor hub and identifies all the sensors connected to it. + Each sensor is registered as a MFD cell, so that sensor specific + processing can be done in a separate driver. Each sensor + drivers can use the service provided by this driver to register + for events and handle data streams. Each sensor driver can format + data and present to user mode using input or IIO interface. + endmenu -endif # HID_SUPPORT +endif # HID + +source "drivers/hid/usbhid/Kconfig" + +source "drivers/hid/i2c-hid/Kconfig" + +endmenu diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index c335605b920..a6fa6baf368 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -1,77 +1,127 @@ # # Makefile for the HID driver # -hid-objs := hid-core.o hid-input.o +hid-y := hid-core.o hid-input.o ifdef CONFIG_DEBUG_FS hid-objs += hid-debug.o endif obj-$(CONFIG_HID) += hid.o +obj-$(CONFIG_UHID) += uhid.o + +obj-$(CONFIG_HID_GENERIC) += hid-generic.o hid-$(CONFIG_HIDRAW) += hidraw.o -hid-logitech-objs := hid-lg.o +hid-logitech-y := hid-lg.o ifdef CONFIG_LOGITECH_FF - hid-logitech-objs += hid-lgff.o + hid-logitech-y += hid-lgff.o endif ifdef CONFIG_LOGIRUMBLEPAD2_FF - hid-logitech-objs += hid-lg2ff.o + hid-logitech-y += hid-lg2ff.o endif ifdef CONFIG_LOGIG940_FF - hid-logitech-objs += hid-lg3ff.o + hid-logitech-y += hid-lg3ff.o +endif +ifdef CONFIG_LOGIWHEELS_FF + hid-logitech-y += hid-lg4ff.o endif -ifdef CONFIG_LOGIWII_FF - hid-logitech-objs += hid-lg4ff.o + +hid-wiimote-y := hid-wiimote-core.o hid-wiimote-modules.o +ifdef CONFIG_DEBUG_FS + hid-wiimote-y += hid-wiimote-debug.o endif -obj-$(CONFIG_HID_3M_PCT) += hid-3m-pct.o obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o -obj-$(CONFIG_HID_ACRUX_FF) += hid-axff.o +obj-$(CONFIG_HID_ACRUX) += hid-axff.o obj-$(CONFIG_HID_APPLE) += hid-apple.o +obj-$(CONFIG_HID_APPLEIR) += hid-appleir.o +obj-$(CONFIG_HID_AUREAL) += hid-aureal.o obj-$(CONFIG_HID_BELKIN) += hid-belkin.o -obj-$(CONFIG_HID_CANDO) += hid-cando.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o +obj-$(CONFIG_HID_CP2112) += hid-cp2112.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o -obj-$(CONFIG_HID_DRAGONRISE) += hid-drff.o -obj-$(CONFIG_HID_EGALAX) += hid-egalax.o +obj-$(CONFIG_HID_DRAGONRISE) += hid-dr.o +obj-$(CONFIG_HID_EMS_FF) += hid-emsff.o obj-$(CONFIG_HID_ELECOM) += hid-elecom.o +obj-$(CONFIG_HID_ELO) += hid-elo.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_GYRATION) += hid-gyration.o +obj-$(CONFIG_HID_HOLTEK) += hid-holtek-kbd.o +obj-$(CONFIG_HID_HOLTEK) += hid-holtek-mouse.o +obj-$(CONFIG_HID_HOLTEK) += hid-holtekff.o +obj-$(CONFIG_HID_HUION) += hid-huion.o +obj-$(CONFIG_HID_HYPERV_MOUSE) += hid-hyperv.o +obj-$(CONFIG_HID_ICADE) += hid-icade.o obj-$(CONFIG_HID_KENSINGTON) += hid-kensington.o +obj-$(CONFIG_HID_KEYTOUCH) += hid-keytouch.o obj-$(CONFIG_HID_KYE) += hid-kye.o +obj-$(CONFIG_HID_LCPOWER) += hid-lcpower.o +obj-$(CONFIG_HID_LENOVO_TPKBD) += hid-lenovo-tpkbd.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o +obj-$(CONFIG_HID_LOGITECH_DJ) += hid-logitech-dj.o obj-$(CONFIG_HID_MAGICMOUSE) += hid-magicmouse.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o -obj-$(CONFIG_HID_MOSART) += hid-mosart.o +obj-$(CONFIG_HID_MULTITOUCH) += hid-multitouch.o obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o obj-$(CONFIG_HID_ORTEK) += hid-ortek.o obj-$(CONFIG_HID_PRODIKEYS) += hid-prodikeys.o -obj-$(CONFIG_HID_QUANTA) += hid-quanta.o obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_PICOLCD) += hid-picolcd.o -obj-$(CONFIG_HID_ROCCAT) += hid-roccat.o -obj-$(CONFIG_HID_ROCCAT_KONE) += hid-roccat-kone.o -obj-$(CONFIG_HID_ROCCAT_PYRA) += hid-roccat-pyra.o +hid-picolcd-y += hid-picolcd_core.o +ifdef CONFIG_HID_PICOLCD_FB +hid-picolcd-y += hid-picolcd_fb.o +endif +ifdef CONFIG_HID_PICOLCD_BACKLIGHT +hid-picolcd-y += hid-picolcd_backlight.o +endif +ifdef CONFIG_HID_PICOLCD_LCD +hid-picolcd-y += hid-picolcd_lcd.o +endif +ifdef CONFIG_HID_PICOLCD_LEDS +hid-picolcd-y += hid-picolcd_leds.o +endif +ifdef CONFIG_HID_PICOLCD_CIR +hid-picolcd-y += hid-picolcd_cir.o +endif +ifdef CONFIG_DEBUG_FS +hid-picolcd-y += hid-picolcd_debugfs.o +endif + +obj-$(CONFIG_HID_PRIMAX) += hid-primax.o +obj-$(CONFIG_HID_ROCCAT) += hid-roccat.o hid-roccat-common.o \ + hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \ + hid-roccat-koneplus.o hid-roccat-konepure.o hid-roccat-kovaplus.o \ + hid-roccat-lua.o hid-roccat-pyra.o hid-roccat-ryos.o hid-roccat-savu.o +obj-$(CONFIG_HID_RMI) += hid-rmi.o +obj-$(CONFIG_HID_SAITEK) += hid-saitek.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SMARTJOYPLUS) += hid-sjoy.o obj-$(CONFIG_HID_SONY) += hid-sony.o -obj-$(CONFIG_HID_STANTUM) += hid-stantum.o +obj-$(CONFIG_HID_SPEEDLINK) += hid-speedlink.o +obj-$(CONFIG_HID_STEELSERIES) += hid-steelseries.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_HID_GREENASIA) += hid-gaff.o +obj-$(CONFIG_HID_THINGM) += hid-thingm.o obj-$(CONFIG_HID_THRUSTMASTER) += hid-tmff.o +obj-$(CONFIG_HID_TIVO) += hid-tivo.o obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o obj-$(CONFIG_HID_TWINHAN) += hid-twinhan.o obj-$(CONFIG_HID_UCLOGIC) += hid-uclogic.o +obj-$(CONFIG_HID_XINMO) += hid-xinmo.o obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o obj-$(CONFIG_HID_WACOM) += hid-wacom.o obj-$(CONFIG_HID_WALTOP) += hid-waltop.o +obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o +obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ obj-$(CONFIG_USB_KBD) += usbhid/ +obj-$(CONFIG_I2C_HID) += i2c-hid/ diff --git a/drivers/hid/hid-3m-pct.c b/drivers/hid/hid-3m-pct.c deleted file mode 100644 index 02d8cd3b1b1..00000000000 --- a/drivers/hid/hid-3m-pct.c +++ /dev/null @@ -1,333 +0,0 @@ -/* - * HID driver for 3M PCT multitouch panels - * - * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> - * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> - * Copyright (c) 2010 Canonical, Ltd. - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/usb.h> - -MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); -MODULE_DESCRIPTION("3M PCT multitouch panels"); -MODULE_LICENSE("GPL"); - -#include "hid-ids.h" - -#define MAX_SLOTS 60 -#define MAX_TRKID USHRT_MAX -#define MAX_EVENTS 360 - -/* estimated signal-to-noise ratios */ -#define SN_MOVE 2048 -#define SN_WIDTH 128 - -struct mmm_finger { - __s32 x, y, w, h; - __u16 id; - bool prev_touch; - bool touch, valid; -}; - -struct mmm_data { - struct mmm_finger f[MAX_SLOTS]; - __u16 id; - __u8 curid; - __u8 nexp, nreal; - bool touch, valid; -}; - -static int mmm_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - int f1 = field->logical_minimum; - int f2 = field->logical_maximum; - int df = f2 - f1; - - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_BUTTON: - return -1; - - case HID_UP_GENDESK: - switch (usage->hid) { - case HID_GD_X: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_X); - input_set_abs_params(hi->input, ABS_MT_POSITION_X, - f1, f2, df / SN_MOVE, 0); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_X, - f1, f2, df / SN_MOVE, 0); - return 1; - case HID_GD_Y: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_Y); - input_set_abs_params(hi->input, ABS_MT_POSITION_Y, - f1, f2, df / SN_MOVE, 0); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_Y, - f1, f2, df / SN_MOVE, 0); - return 1; - } - return 0; - - case HID_UP_DIGITIZER: - switch (usage->hid) { - /* we do not want to map these: no input-oriented meaning */ - case 0x14: - case 0x23: - case HID_DG_INPUTMODE: - case HID_DG_DEVICEINDEX: - case HID_DG_CONTACTCOUNT: - case HID_DG_CONTACTMAX: - case HID_DG_INRANGE: - case HID_DG_CONFIDENCE: - return -1; - case HID_DG_TIPSWITCH: - /* touchscreen emulation */ - hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); - input_set_capability(hi->input, EV_KEY, BTN_TOUCH); - return 1; - case HID_DG_WIDTH: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TOUCH_MAJOR); - input_set_abs_params(hi->input, ABS_MT_TOUCH_MAJOR, - f1, f2, df / SN_WIDTH, 0); - return 1; - case HID_DG_HEIGHT: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TOUCH_MINOR); - input_set_abs_params(hi->input, ABS_MT_TOUCH_MINOR, - f1, f2, df / SN_WIDTH, 0); - input_set_abs_params(hi->input, ABS_MT_ORIENTATION, - 0, 1, 0, 0); - return 1; - case HID_DG_CONTACTID: - field->logical_maximum = MAX_TRKID; - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TRACKING_ID); - input_set_abs_params(hi->input, ABS_MT_TRACKING_ID, - 0, MAX_TRKID, 0, 0); - if (!hi->input->mt) - input_mt_create_slots(hi->input, MAX_SLOTS); - input_set_events_per_packet(hi->input, MAX_EVENTS); - return 1; - } - /* let hid-input decide for the others */ - return 0; - - case 0xff000000: - /* we do not want to map these: no input-oriented meaning */ - return -1; - } - - return 0; -} - -static int mmm_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - /* tell hid-input to skip setup of these event types */ - if (usage->type == EV_KEY || usage->type == EV_ABS) - set_bit(usage->type, hi->input->evbit); - return -1; -} - -/* - * this function is called when a whole packet has been received and processed, - * so that it can decide what to send to the input layer. - */ -static void mmm_filter_event(struct mmm_data *md, struct input_dev *input) -{ - struct mmm_finger *oldest = 0; - int i; - for (i = 0; i < MAX_SLOTS; ++i) { - struct mmm_finger *f = &md->f[i]; - if (!f->valid) { - /* this finger is just placeholder data, ignore */ - continue; - } - input_mt_slot(input, i); - if (f->touch) { - /* this finger is on the screen */ - int wide = (f->w > f->h); - /* divided by two to match visual scale of touch */ - int major = max(f->w, f->h) >> 1; - int minor = min(f->w, f->h) >> 1; - - if (!f->prev_touch) - f->id = md->id++; - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, f->id); - input_event(input, EV_ABS, ABS_MT_POSITION_X, f->x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, f->y); - input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); - input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); - input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); - /* touchscreen emulation: pick the oldest contact */ - if (!oldest || ((f->id - oldest->id) & (SHRT_MAX + 1))) - oldest = f; - } else { - /* this finger took off the screen */ - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, -1); - } - f->prev_touch = f->touch; - f->valid = 0; - } - - /* touchscreen emulation */ - if (oldest) { - input_event(input, EV_KEY, BTN_TOUCH, 1); - input_event(input, EV_ABS, ABS_X, oldest->x); - input_event(input, EV_ABS, ABS_Y, oldest->y); - } else { - input_event(input, EV_KEY, BTN_TOUCH, 0); - } - input_sync(input); -} - -/* - * this function is called upon all reports - * so that we can accumulate contact point information, - * and call input_mt_sync after each point. - */ -static int mmm_event(struct hid_device *hid, struct hid_field *field, - struct hid_usage *usage, __s32 value) -{ - struct mmm_data *md = hid_get_drvdata(hid); - /* - * strangely, this function can be called before - * field->hidinput is initialized! - */ - if (hid->claimed & HID_CLAIMED_INPUT) { - struct input_dev *input = field->hidinput->input; - switch (usage->hid) { - case HID_DG_TIPSWITCH: - md->touch = value; - break; - case HID_DG_CONFIDENCE: - md->valid = value; - break; - case HID_DG_WIDTH: - if (md->valid) - md->f[md->curid].w = value; - break; - case HID_DG_HEIGHT: - if (md->valid) - md->f[md->curid].h = value; - break; - case HID_DG_CONTACTID: - value = clamp_val(value, 0, MAX_SLOTS - 1); - if (md->valid) { - md->curid = value; - md->f[value].touch = md->touch; - md->f[value].valid = 1; - md->nreal++; - } - break; - case HID_GD_X: - if (md->valid) - md->f[md->curid].x = value; - break; - case HID_GD_Y: - if (md->valid) - md->f[md->curid].y = value; - break; - case HID_DG_CONTACTCOUNT: - if (value) - md->nexp = value; - if (md->nreal >= md->nexp) { - mmm_filter_event(md, input); - md->nreal = 0; - } - break; - } - } - - /* we have handled the hidinput part, now remains hiddev */ - if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) - hid->hiddev_hid_event(hid, field, usage, value); - - return 1; -} - -static int mmm_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - struct mmm_data *md; - - hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; - - md = kzalloc(sizeof(struct mmm_data), GFP_KERNEL); - if (!md) { - dev_err(&hdev->dev, "cannot allocate 3M data\n"); - return -ENOMEM; - } - hid_set_drvdata(hdev, md); - - ret = hid_parse(hdev); - if (!ret) - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - - if (ret) - kfree(md); - return ret; -} - -static void mmm_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); - hid_set_drvdata(hdev, NULL); -} - -static const struct hid_device_id mmm_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) }, - { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) }, - { } -}; -MODULE_DEVICE_TABLE(hid, mmm_devices); - -static const struct hid_usage_id mmm_grabbed_usages[] = { - { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, - { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} -}; - -static struct hid_driver mmm_driver = { - .name = "3m-pct", - .id_table = mmm_devices, - .probe = mmm_probe, - .remove = mmm_remove, - .input_mapping = mmm_input_mapping, - .input_mapped = mmm_input_mapped, - .usage_table = mmm_grabbed_usages, - .event = mmm_event, -}; - -static int __init mmm_init(void) -{ - return hid_register_driver(&mmm_driver); -} - -static void __exit mmm_exit(void) -{ - hid_unregister_driver(&mmm_driver); -} - -module_init(mmm_init); -module_exit(mmm_exit); - diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c index 1666c1684e7..9428ea7cdf8 100644 --- a/drivers/hid/hid-a4tech.c +++ b/drivers/hid/hid-a4tech.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -91,11 +90,10 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id) struct a4tech_sc *a4; int ret; - a4 = kzalloc(sizeof(*a4), GFP_KERNEL); + a4 = devm_kzalloc(&hdev->dev, sizeof(*a4), GFP_KERNEL); if (a4 == NULL) { - dev_err(&hdev->dev, "can't alloc device descriptor\n"); - ret = -ENOMEM; - goto err_free; + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; } a4->quirks = id->driver_data; @@ -104,28 +102,17 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; + hid_err(hdev, "parse failed\n"); + return ret; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; + hid_err(hdev, "hw start failed\n"); + return ret; } return 0; -err_free: - kfree(a4); - return ret; -} - -static void a4_remove(struct hid_device *hdev) -{ - struct a4tech_sc *a4 = hid_get_drvdata(hdev); - - hid_hw_stop(hdev); - kfree(a4); } static const struct hid_device_id a4_devices[] = { @@ -145,19 +132,7 @@ static struct hid_driver a4_driver = { .input_mapped = a4_input_mapped, .event = a4_event, .probe = a4_probe, - .remove = a4_remove, }; +module_hid_driver(a4_driver); -static int __init a4_init(void) -{ - return hid_register_driver(&a4_driver); -} - -static void __exit a4_exit(void) -{ - hid_unregister_driver(&a4_driver); -} - -module_init(a4_init); -module_exit(a4_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index eaeca564a8d..f822fd2a1ad 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com> */ @@ -16,11 +15,12 @@ * any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/usb.h> #include "hid-ids.h" @@ -46,6 +46,12 @@ module_param(iso_layout, uint, 0644); MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. " "(0 = disabled, [1] = enabled)"); +static unsigned int swap_opt_cmd; +module_param(swap_opt_cmd, uint, 0644); +MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\") keys. " + "(For people who want to keep Windows PC keyboard muscle memory. " + "[0] = as-is, Mac layout. 1 = swapped, Windows layout.)"); + struct apple_sc { unsigned long quirks; unsigned int fn_on; @@ -59,6 +65,27 @@ struct apple_key_translation { u8 flags; }; +static const struct apple_key_translation macbookair_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_ENTER, KEY_INSERT }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY }, + { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_NEXTSONG, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F11, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_F12, KEY_EJECTCD, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + static const struct apple_key_translation apple_fn_keys[] = { { KEY_BACKSPACE, KEY_DELETE }, { KEY_ENTER, KEY_INSERT }, @@ -129,6 +156,14 @@ static const struct apple_key_translation apple_iso_keyboard[] = { { } }; +static const struct apple_key_translation swapped_option_cmd_keys[] = { + { KEY_LEFTALT, KEY_LEFTMETA }, + { KEY_LEFTMETA, KEY_LEFTALT }, + { KEY_RIGHTALT, KEY_RIGHTMETA }, + { KEY_RIGHTMETA,KEY_RIGHTALT }, + { } +}; + static const struct apple_key_translation *apple_find_translation( const struct apple_key_translation *table, u16 from) { @@ -146,7 +181,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, struct hid_usage *usage, __s32 value) { struct apple_sc *asc = hid_get_drvdata(hid); - const struct apple_key_translation *trans; + const struct apple_key_translation *trans, *table; if (usage->code == KEY_FN) { asc->fn_on = !!value; @@ -157,10 +192,16 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, if (fnmode) { int do_translate; - trans = apple_find_translation((hid->product < 0x21d || - hid->product >= 0x300) ? - powerbook_fn_keys : apple_fn_keys, - usage->code); + if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI && + hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) + table = macbookair_fn_keys; + else if (hid->product < 0x21d || hid->product >= 0x300) + table = powerbook_fn_keys; + else + table = apple_fn_keys; + + trans = apple_find_translation (table, usage->code); + if (trans) { if (test_bit(usage->code, asc->pressed_fn)) do_translate = 1; @@ -205,7 +246,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, } } - if (iso_layout) { + if (iso_layout) { if (asc->quirks & APPLE_ISO_KEYBOARD) { trans = apple_find_translation(apple_iso_keyboard, usage->code); if (trans) { @@ -215,6 +256,14 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, } } + if (swap_opt_cmd) { + trans = apple_find_translation(swapped_option_cmd_keys, usage->code); + if (trans) { + input_event(input, usage->type, trans->to, value); + return 1; + } + } + return 0; } @@ -253,8 +302,8 @@ static __u8 *apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, if ((asc->quirks & APPLE_RDESC_JIS) && *rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) { - dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report " - "descriptor\n"); + hid_info(hdev, + "fixing up MacBook JIS keyboard report descriptor\n"); rdesc[53] = rdesc[59] = 0xe7; } return rdesc; @@ -322,9 +371,9 @@ static int apple_probe(struct hid_device *hdev, unsigned int connect_mask = HID_CONNECT_DEFAULT; int ret; - asc = kzalloc(sizeof(*asc), GFP_KERNEL); + asc = devm_kzalloc(&hdev->dev, sizeof(*asc), GFP_KERNEL); if (asc == NULL) { - dev_err(&hdev->dev, "can't alloc apple descriptor\n"); + hid_err(hdev, "can't alloc apple descriptor\n"); return -ENOMEM; } @@ -334,8 +383,8 @@ static int apple_probe(struct hid_device *hdev, ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; + hid_err(hdev, "parse failed\n"); + return ret; } if (quirks & APPLE_HIDDEV) @@ -345,27 +394,14 @@ static int apple_probe(struct hid_device *hdev, ret = hid_hw_start(hdev, connect_mask); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; + hid_err(hdev, "hw start failed\n"); + return ret; } return 0; -err_free: - kfree(asc); - return ret; -} - -static void apple_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); } static const struct hid_device_id apple_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL), - .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), - .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, @@ -411,15 +447,31 @@ static const struct hid_device_id apple_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO), - .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS), + .driver_data = APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), @@ -440,6 +492,60 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), @@ -461,28 +567,10 @@ static struct hid_driver apple_driver = { .id_table = apple_devices, .report_fixup = apple_report_fixup, .probe = apple_probe, - .remove = apple_remove, .event = apple_event, .input_mapping = apple_input_mapping, .input_mapped = apple_input_mapped, }; +module_hid_driver(apple_driver); -static int __init apple_init(void) -{ - int ret; - - ret = hid_register_driver(&apple_driver); - if (ret) - printk(KERN_ERR "can't register apple driver\n"); - - return ret; -} - -static void __exit apple_exit(void) -{ - hid_unregister_driver(&apple_driver); -} - -module_init(apple_init); -module_exit(apple_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-appleir.c b/drivers/hid/hid-appleir.c new file mode 100644 index 00000000000..0e6a42d37eb --- /dev/null +++ b/drivers/hid/hid-appleir.c @@ -0,0 +1,355 @@ +/* + * HID driver for the apple ir device + * + * Original driver written by James McKenzie + * Ported to recent 2.6 kernel versions by Greg Kroah-Hartman <gregkh@suse.de> + * Updated to support newer remotes by Bastien Nocera <hadess@hadess.net> + * Ported to HID subsystem by Benjamin Tissoires <benjamin.tissoires@gmail.com> + * + * Copyright (C) 2006 James McKenzie + * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com> + * Copyright (C) 2008 Novell Inc. + * Copyright (C) 2010, 2012 Bastien Nocera <hadess@hadess.net> + * Copyright (C) 2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (C) 2013 Red Hat Inc. All Rights Reserved + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include "hid-ids.h" + +MODULE_AUTHOR("James McKenzie"); +MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@redhat.com>"); +MODULE_DESCRIPTION("HID Apple IR remote controls"); +MODULE_LICENSE("GPL"); + +#define KEY_MASK 0x0F +#define TWO_PACKETS_MASK 0x40 + +/* + * James McKenzie has two devices both of which report the following + * 25 87 ee 83 0a + + * 25 87 ee 83 0c - + * 25 87 ee 83 09 << + * 25 87 ee 83 06 >> + * 25 87 ee 83 05 >" + * 25 87 ee 83 03 menu + * 26 00 00 00 00 for key repeat + */ + +/* + * Thomas Glanzmann reports the following responses + * 25 87 ee ca 0b + + * 25 87 ee ca 0d - + * 25 87 ee ca 08 << + * 25 87 ee ca 07 >> + * 25 87 ee ca 04 >" + * 25 87 ee ca 02 menu + * 26 00 00 00 00 for key repeat + * + * He also observes the following event sometimes + * sent after a key is release, which I interpret + * as a flat battery message + * 25 87 e0 ca 06 flat battery + */ + +/* + * Alexandre Karpenko reports the following responses for Device ID 0x8242 + * 25 87 ee 47 0b + + * 25 87 ee 47 0d - + * 25 87 ee 47 08 << + * 25 87 ee 47 07 >> + * 25 87 ee 47 04 >" + * 25 87 ee 47 02 menu + * 26 87 ee 47 ** for key repeat (** is the code of the key being held) + */ + +/* + * Bastien Nocera's remote + * 25 87 ee 91 5f followed by + * 25 87 ee 91 05 gives you >" + * + * 25 87 ee 91 5c followed by + * 25 87 ee 91 05 gives you the middle button + */ + +/* + * Fabien Andre's remote + * 25 87 ee a3 5e followed by + * 25 87 ee a3 04 gives you >" + * + * 25 87 ee a3 5d followed by + * 25 87 ee a3 04 gives you the middle button + */ + +static const unsigned short appleir_key_table[] = { + KEY_RESERVED, + KEY_MENU, + KEY_PLAYPAUSE, + KEY_FORWARD, + KEY_BACK, + KEY_VOLUMEUP, + KEY_VOLUMEDOWN, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_ENTER, + KEY_PLAYPAUSE, + KEY_RESERVED, +}; + +struct appleir { + struct input_dev *input_dev; + struct hid_device *hid; + unsigned short keymap[ARRAY_SIZE(appleir_key_table)]; + struct timer_list key_up_timer; /* timer for key up */ + spinlock_t lock; /* protects .current_key */ + int current_key; /* the currently pressed key */ + int prev_key_idx; /* key index in a 2 packets message */ +}; + +static int get_key(int data) +{ + /* + * The key is coded accross bits 2..9: + * + * 0x00 or 0x01 ( ) key: 0 -> KEY_RESERVED + * 0x02 or 0x03 ( menu ) key: 1 -> KEY_MENU + * 0x04 or 0x05 ( >" ) key: 2 -> KEY_PLAYPAUSE + * 0x06 or 0x07 ( >> ) key: 3 -> KEY_FORWARD + * 0x08 or 0x09 ( << ) key: 4 -> KEY_BACK + * 0x0a or 0x0b ( + ) key: 5 -> KEY_VOLUMEUP + * 0x0c or 0x0d ( - ) key: 6 -> KEY_VOLUMEDOWN + * 0x0e or 0x0f ( ) key: 7 -> KEY_RESERVED + * 0x50 or 0x51 ( ) key: 8 -> KEY_RESERVED + * 0x52 or 0x53 ( ) key: 9 -> KEY_RESERVED + * 0x54 or 0x55 ( ) key: 10 -> KEY_RESERVED + * 0x56 or 0x57 ( ) key: 11 -> KEY_RESERVED + * 0x58 or 0x59 ( ) key: 12 -> KEY_RESERVED + * 0x5a or 0x5b ( ) key: 13 -> KEY_RESERVED + * 0x5c or 0x5d ( middle ) key: 14 -> KEY_ENTER + * 0x5e or 0x5f ( >" ) key: 15 -> KEY_PLAYPAUSE + * + * Packets starting with 0x5 are part of a two-packets message, + * we notify the caller by sending a negative value. + */ + int key = (data >> 1) & KEY_MASK; + + if ((data & TWO_PACKETS_MASK)) + /* Part of a 2 packets-command */ + key = -key; + + return key; +} + +static void key_up(struct hid_device *hid, struct appleir *appleir, int key) +{ + input_report_key(appleir->input_dev, key, 0); + input_sync(appleir->input_dev); +} + +static void key_down(struct hid_device *hid, struct appleir *appleir, int key) +{ + input_report_key(appleir->input_dev, key, 1); + input_sync(appleir->input_dev); +} + +static void battery_flat(struct appleir *appleir) +{ + dev_err(&appleir->input_dev->dev, "possible flat battery?\n"); +} + +static void key_up_tick(unsigned long data) +{ + struct appleir *appleir = (struct appleir *)data; + struct hid_device *hid = appleir->hid; + unsigned long flags; + + spin_lock_irqsave(&appleir->lock, flags); + if (appleir->current_key) { + key_up(hid, appleir, appleir->current_key); + appleir->current_key = 0; + } + spin_unlock_irqrestore(&appleir->lock, flags); +} + +static int appleir_raw_event(struct hid_device *hid, struct hid_report *report, + u8 *data, int len) +{ + struct appleir *appleir = hid_get_drvdata(hid); + static const u8 keydown[] = { 0x25, 0x87, 0xee }; + static const u8 keyrepeat[] = { 0x26, }; + static const u8 flatbattery[] = { 0x25, 0x87, 0xe0 }; + unsigned long flags; + + if (len != 5) + goto out; + + if (!memcmp(data, keydown, sizeof(keydown))) { + int index; + + spin_lock_irqsave(&appleir->lock, flags); + /* + * If we already have a key down, take it up before marking + * this one down + */ + if (appleir->current_key) + key_up(hid, appleir, appleir->current_key); + + /* Handle dual packet commands */ + if (appleir->prev_key_idx > 0) + index = appleir->prev_key_idx; + else + index = get_key(data[4]); + + if (index >= 0) { + appleir->current_key = appleir->keymap[index]; + + key_down(hid, appleir, appleir->current_key); + /* + * Remote doesn't do key up, either pull them up, in + * the test above, or here set a timer which pulls + * them up after 1/8 s + */ + mod_timer(&appleir->key_up_timer, jiffies + HZ / 8); + appleir->prev_key_idx = 0; + } else + /* Remember key for next packet */ + appleir->prev_key_idx = -index; + spin_unlock_irqrestore(&appleir->lock, flags); + goto out; + } + + appleir->prev_key_idx = 0; + + if (!memcmp(data, keyrepeat, sizeof(keyrepeat))) { + key_down(hid, appleir, appleir->current_key); + /* + * Remote doesn't do key up, either pull them up, in the test + * above, or here set a timer which pulls them up after 1/8 s + */ + mod_timer(&appleir->key_up_timer, jiffies + HZ / 8); + goto out; + } + + if (!memcmp(data, flatbattery, sizeof(flatbattery))) { + battery_flat(appleir); + /* Fall through */ + } + +out: + /* let hidraw and hiddev handle the report */ + return 0; +} + +static void appleir_input_configured(struct hid_device *hid, + struct hid_input *hidinput) +{ + struct input_dev *input_dev = hidinput->input; + struct appleir *appleir = hid_get_drvdata(hid); + int i; + + appleir->input_dev = input_dev; + + input_dev->keycode = appleir->keymap; + input_dev->keycodesize = sizeof(unsigned short); + input_dev->keycodemax = ARRAY_SIZE(appleir->keymap); + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + + memcpy(appleir->keymap, appleir_key_table, sizeof(appleir->keymap)); + for (i = 0; i < ARRAY_SIZE(appleir_key_table); i++) + set_bit(appleir->keymap[i], input_dev->keybit); + clear_bit(KEY_RESERVED, input_dev->keybit); +} + +static int appleir_input_mapping(struct hid_device *hid, + struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + return -1; +} + +static int appleir_probe(struct hid_device *hid, const struct hid_device_id *id) +{ + int ret; + struct appleir *appleir; + + appleir = kzalloc(sizeof(struct appleir), GFP_KERNEL); + if (!appleir) { + ret = -ENOMEM; + goto allocfail; + } + + appleir->hid = hid; + + /* force input as some remotes bypass the input registration */ + hid->quirks |= HID_QUIRK_HIDINPUT_FORCE; + + spin_lock_init(&appleir->lock); + setup_timer(&appleir->key_up_timer, + key_up_tick, (unsigned long) appleir); + + hid_set_drvdata(hid, appleir); + + ret = hid_parse(hid); + if (ret) { + hid_err(hid, "parse failed\n"); + goto fail; + } + + ret = hid_hw_start(hid, HID_CONNECT_DEFAULT | HID_CONNECT_HIDDEV_FORCE); + if (ret) { + hid_err(hid, "hw start failed\n"); + goto fail; + } + + return 0; +fail: + kfree(appleir); +allocfail: + return ret; +} + +static void appleir_remove(struct hid_device *hid) +{ + struct appleir *appleir = hid_get_drvdata(hid); + hid_hw_stop(hid); + del_timer_sync(&appleir->key_up_timer); + kfree(appleir); +} + +static const struct hid_device_id appleir_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, + { } +}; +MODULE_DEVICE_TABLE(hid, appleir_devices); + +static struct hid_driver appleir_driver = { + .name = "appleir", + .id_table = appleir_devices, + .raw_event = appleir_raw_event, + .input_configured = appleir_input_configured, + .probe = appleir_probe, + .remove = appleir_remove, + .input_mapping = appleir_input_mapping, +}; +module_hid_driver(appleir_driver); diff --git a/drivers/hid/hid-aureal.c b/drivers/hid/hid-aureal.c new file mode 100644 index 00000000000..340ba9d394a --- /dev/null +++ b/drivers/hid/hid-aureal.c @@ -0,0 +1,42 @@ +/* + * HID driver for Aureal Cy se W-01RN USB_V3.1 devices + * + * Copyright (c) 2010 Franco Catrin <fcatrin@gmail.com> + * Copyright (c) 2010 Ben Cropley <bcropley@internode.on.net> + * + * Based on HID sunplus driver by + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2008 Jiri Slaby + */ +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static __u8 *aureal_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { + dev_info(&hdev->dev, "fixing Aureal Cy se W-01RN USB_V3.1 report descriptor.\n"); + rdesc[53] = 0x65; + } return rdesc; +} + +static const struct hid_device_id aureal_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, + { } +}; +MODULE_DEVICE_TABLE(hid, aureal_devices); + +static struct hid_driver aureal_driver = { + .name = "aureal", + .id_table = aureal_devices, + .report_fixup = aureal_report_fixup, +}; +module_hid_driver(aureal_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-axff.c b/drivers/hid/hid-axff.c index f42ee140738..a594e478a1e 100644 --- a/drivers/hid/hid-axff.c +++ b/drivers/hid/hid-axff.c @@ -6,7 +6,7 @@ * Xbox 360 controller. * * 1a34:0802 "ACRUX USB GAMEPAD 8116" - * - tested with a EXEQ EQ-PCU-02090 game controller. + * - tested with an EXEQ EQ-PCU-02090 game controller. * * Copyright (c) 2010 Sergei Kolzun <x0r@dv-life.ru> */ @@ -29,11 +29,12 @@ #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> #include <linux/hid.h> +#include <linux/module.h> #include "hid-ids.h" -#include "usbhid/usbhid.h" + +#ifdef CONFIG_HID_ACRUX_FF struct axff_device { struct hid_report *report; @@ -43,7 +44,10 @@ static int axff_play(struct input_dev *dev, void *data, struct ff_effect *effect { struct hid_device *hid = input_get_drvdata(dev); struct axff_device *axff = data; + struct hid_report *report = axff->report; + int field_count = 0; int left, right; + int i, j; left = effect->u.rumble.strong_magnitude; right = effect->u.rumble.weak_magnitude; @@ -53,12 +57,16 @@ static int axff_play(struct input_dev *dev, void *data, struct ff_effect *effect left = left * 0xff / 0xffff; right = right * 0xff / 0xffff; - axff->report->field[0]->value[0] = left; - axff->report->field[1]->value[0] = right; - axff->report->field[2]->value[0] = left; - axff->report->field[3]->value[0] = right; + for (i = 0; i < report->maxfield; i++) { + for (j = 0; j < report->field[i]->report_count; j++) { + report->field[i]->value[j] = + field_count % 2 ? right : left; + field_count++; + } + } + dbg_hid("running with 0x%02x 0x%02x", left, right); - usbhid_submit_report(hid, axff->report, USB_DIR_OUT); + hid_hw_request(hid, axff->report, HID_REQ_SET_REPORT); return 0; } @@ -70,17 +78,26 @@ static int axff_init(struct hid_device *hid) struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list); struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; + int field_count = 0; + int i, j; int error; if (list_empty(report_list)) { - dev_err(&hid->dev, "no output reports found\n"); + hid_err(hid, "no output reports found\n"); return -ENODEV; } report = list_first_entry(report_list, struct hid_report, list); + for (i = 0; i < report->maxfield; i++) { + for (j = 0; j < report->field[i]->report_count; j++) { + report->field[i]->value[j] = 0x00; + field_count++; + } + } - if (report->maxfield < 4) { - dev_err(&hid->dev, "no fields in the report: %d\n", report->maxfield); + if (field_count < 4 && hid->product != 0xf705) { + hid_err(hid, "not enough fields in the report: %d\n", + field_count); return -ENODEV; } @@ -95,13 +112,9 @@ static int axff_init(struct hid_device *hid) goto err_free_mem; axff->report = report; - axff->report->field[0]->value[0] = 0x00; - axff->report->field[1]->value[0] = 0x00; - axff->report->field[2]->value[0] = 0x00; - axff->report->field[3]->value[0] = 0x00; - usbhid_submit_report(hid, axff->report, USB_DIR_OUT); + hid_hw_request(hid, axff->report, HID_REQ_SET_REPORT); - dev_info(&hid->dev, "Force Feedback for ACRUX game controllers by Sergei Kolzun<x0r@dv-life.ru>\n"); + hid_info(hid, "Force Feedback for ACRUX game controllers by Sergei Kolzun <x0r@dv-life.ru>\n"); return 0; @@ -109,22 +122,28 @@ err_free_mem: kfree(axff); return error; } +#else +static inline int axff_init(struct hid_device *hid) +{ + return 0; +} +#endif static int ax_probe(struct hid_device *hdev, const struct hid_device_id *id) { int error; - dev_dbg(&hdev->dev, "ACRUX HID hardware probe..."); + dev_dbg(&hdev->dev, "ACRUX HID hardware probe...\n"); error = hid_parse(hdev); if (error) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); return error; } error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (error) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); return error; } @@ -134,38 +153,45 @@ static int ax_probe(struct hid_device *hdev, const struct hid_device_id *id) * Do not fail device initialization completely as device * may still be partially operable, just warn. */ - dev_warn(&hdev->dev, + hid_warn(hdev, "Failed to enable force feedback support, error: %d\n", error); } + /* + * We need to start polling device right away, otherwise + * it will go into a coma. + */ + error = hid_hw_open(hdev); + if (error) { + dev_err(&hdev->dev, "hw open failed\n"); + hid_hw_stop(hdev); + return error; + } + return 0; } +static void ax_remove(struct hid_device *hdev) +{ + hid_hw_close(hdev); + hid_hw_stop(hdev); +} + static const struct hid_device_id ax_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802), }, + { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705), }, { } }; MODULE_DEVICE_TABLE(hid, ax_devices); static struct hid_driver ax_driver = { - .name = "acrux", - .id_table = ax_devices, - .probe = ax_probe, + .name = "acrux", + .id_table = ax_devices, + .probe = ax_probe, + .remove = ax_remove, }; - -static int __init ax_init(void) -{ - return hid_register_driver(&ax_driver); -} - -static void __exit ax_exit(void) -{ - hid_unregister_driver(&ax_driver); -} - -module_init(ax_init); -module_exit(ax_exit); +module_hid_driver(ax_driver); MODULE_AUTHOR("Sergei Kolzun"); MODULE_DESCRIPTION("Force feedback support for ACRUX game controllers"); diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c index 4ce7aa3a519..cc4cf138bef 100644 --- a/drivers/hid/hid-belkin.c +++ b/drivers/hid/hid-belkin.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -56,14 +55,14 @@ static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } @@ -87,17 +86,6 @@ static struct hid_driver belkin_driver = { .input_mapping = belkin_input_mapping, .probe = belkin_probe, }; +module_hid_driver(belkin_driver); -static int __init belkin_init(void) -{ - return hid_register_driver(&belkin_driver); -} - -static void __exit belkin_exit(void) -{ - hid_unregister_driver(&belkin_driver); -} - -module_init(belkin_init); -module_exit(belkin_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-cando.c b/drivers/hid/hid-cando.c deleted file mode 100644 index 5925bdcd417..00000000000 --- a/drivers/hid/hid-cando.c +++ /dev/null @@ -1,274 +0,0 @@ -/* - * HID driver for Cando dual-touch panels - * - * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/slab.h> - -MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); -MODULE_DESCRIPTION("Cando dual-touch panel"); -MODULE_LICENSE("GPL"); - -#include "hid-ids.h" - -struct cando_data { - __u16 x, y; - __u8 id; - __s8 oldest; /* id of the oldest finger in previous frame */ - bool valid; /* valid finger data, or just placeholder? */ - bool first; /* is this the first finger in this frame? */ - __s8 firstid; /* id of the first finger in the frame */ - __u16 firstx, firsty; /* (x, y) of the first finger in the frame */ -}; - -static int cando_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_GENDESK: - switch (usage->hid) { - case HID_GD_X: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_X); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_X, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - case HID_GD_Y: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_Y); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_Y, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - } - return 0; - - case HID_UP_DIGITIZER: - switch (usage->hid) { - case HID_DG_TIPSWITCH: - case HID_DG_CONTACTMAX: - return -1; - case HID_DG_INRANGE: - /* touchscreen emulation */ - hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); - return 1; - case HID_DG_CONTACTID: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TRACKING_ID); - return 1; - } - return 0; - } - - return 0; -} - -static int cando_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - if (usage->type == EV_KEY || usage->type == EV_ABS) - clear_bit(usage->code, *bit); - - return 0; -} - -/* - * this function is called when a whole finger has been parsed, - * so that it can decide what to send to the input layer. - */ -static void cando_filter_event(struct cando_data *td, struct input_dev *input) -{ - td->first = !td->first; /* touchscreen emulation */ - - if (!td->valid) { - /* - * touchscreen emulation: if this is the second finger and - * the first was valid, the first was the oldest; if the - * first was not valid and there was a valid finger in the - * previous frame, this is a release. - */ - if (td->first) { - td->firstid = -1; - } else if (td->firstid >= 0) { - input_event(input, EV_ABS, ABS_X, td->firstx); - input_event(input, EV_ABS, ABS_Y, td->firsty); - td->oldest = td->firstid; - } else if (td->oldest >= 0) { - input_event(input, EV_KEY, BTN_TOUCH, 0); - td->oldest = -1; - } - - return; - } - - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id); - input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y); - - input_mt_sync(input); - - /* - * touchscreen emulation: if there was no touching finger previously, - * emit touch event - */ - if (td->oldest < 0) { - input_event(input, EV_KEY, BTN_TOUCH, 1); - td->oldest = td->id; - } - - /* - * touchscreen emulation: if this is the first finger, wait for the - * second; the oldest is then the second if it was the oldest already - * or if there was no first, the first otherwise. - */ - if (td->first) { - td->firstx = td->x; - td->firsty = td->y; - td->firstid = td->id; - } else { - int x, y, oldest; - if (td->id == td->oldest || td->firstid < 0) { - x = td->x; - y = td->y; - oldest = td->id; - } else { - x = td->firstx; - y = td->firsty; - oldest = td->firstid; - } - input_event(input, EV_ABS, ABS_X, x); - input_event(input, EV_ABS, ABS_Y, y); - td->oldest = oldest; - } -} - - -static int cando_event(struct hid_device *hid, struct hid_field *field, - struct hid_usage *usage, __s32 value) -{ - struct cando_data *td = hid_get_drvdata(hid); - - if (hid->claimed & HID_CLAIMED_INPUT) { - struct input_dev *input = field->hidinput->input; - - switch (usage->hid) { - case HID_DG_INRANGE: - td->valid = value; - break; - case HID_DG_CONTACTID: - td->id = value; - break; - case HID_GD_X: - td->x = value; - break; - case HID_GD_Y: - td->y = value; - cando_filter_event(td, input); - break; - case HID_DG_TIPSWITCH: - /* avoid interference from generic hidinput handling */ - break; - - default: - /* fallback to the generic hidinput handling */ - return 0; - } - } - - /* we have handled the hidinput part, now remains hiddev */ - if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) - hid->hiddev_hid_event(hid, field, usage, value); - - return 1; -} - -static int cando_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - struct cando_data *td; - - td = kmalloc(sizeof(struct cando_data), GFP_KERNEL); - if (!td) { - dev_err(&hdev->dev, "cannot allocate Cando Touch data\n"); - return -ENOMEM; - } - hid_set_drvdata(hdev, td); - td->first = false; - td->oldest = -1; - td->valid = false; - - ret = hid_parse(hdev); - if (!ret) - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - - if (ret) - kfree(td); - - return ret; -} - -static void cando_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); - hid_set_drvdata(hdev, NULL); -} - -static const struct hid_device_id cando_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, - USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, - USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, - USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, - { } -}; -MODULE_DEVICE_TABLE(hid, cando_devices); - -static const struct hid_usage_id cando_grabbed_usages[] = { - { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, - { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} -}; - -static struct hid_driver cando_driver = { - .name = "cando-touch", - .id_table = cando_devices, - .probe = cando_probe, - .remove = cando_remove, - .input_mapping = cando_input_mapping, - .input_mapped = cando_input_mapped, - .usage_table = cando_grabbed_usages, - .event = cando_event, -}; - -static int __init cando_init(void) -{ - return hid_register_driver(&cando_driver); -} - -static void __exit cando_exit(void) -{ - hid_unregister_driver(&cando_driver); -} - -module_init(cando_init); -module_exit(cando_exit); - diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c index e880086c231..1bdcccc54a1 100644 --- a/drivers/hid/hid-cherry.c +++ b/drivers/hid/hid-cherry.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -30,8 +29,7 @@ static __u8 *ch_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { if (*rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { - dev_info(&hdev->dev, "fixing up Cherry Cymotion report " - "descriptor\n"); + hid_info(hdev, "fixing up Cherry Cymotion report descriptor\n"); rdesc[11] = rdesc[16] = 0xff; rdesc[12] = rdesc[17] = 0x03; } @@ -71,17 +69,6 @@ static struct hid_driver ch_driver = { .report_fixup = ch_report_fixup, .input_mapping = ch_input_mapping, }; +module_hid_driver(ch_driver); -static int __init ch_init(void) -{ - return hid_register_driver(&ch_driver); -} - -static void __exit ch_exit(void) -{ - hid_unregister_driver(&ch_driver); -} - -module_init(ch_init); -module_exit(ch_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c index 8965ad93d51..b613d5a7968 100644 --- a/drivers/hid/hid-chicony.c +++ b/drivers/hid/hid-chicony.c @@ -45,6 +45,12 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, case 0xff09: ch_map_key_clear(BTN_9); break; case 0xff0a: ch_map_key_clear(BTN_A); break; case 0xff0b: ch_map_key_clear(BTN_B); break; + case 0x00f1: ch_map_key_clear(KEY_WLAN); break; + case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN); break; + case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP); break; + case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF); break; + case 0x00f7: ch_map_key_clear(KEY_CAMERA); break; + case 0x00f8: ch_map_key_clear(KEY_PROG1); break; default: return 0; } @@ -53,6 +59,8 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, static const struct hid_device_id ch_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, { } }; MODULE_DEVICE_TABLE(hid, ch_devices); @@ -62,17 +70,6 @@ static struct hid_driver ch_driver = { .id_table = ch_devices, .input_mapping = ch_input_mapping, }; +module_hid_driver(ch_driver); -static int __init ch_init(void) -{ - return hid_register_driver(&ch_driver); -} - -static void __exit ch_exit(void) -{ - hid_unregister_driver(&ch_driver); -} - -module_init(ch_init); -module_exit(ch_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 515345b11ac..8ed66fd1ea8 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -4,7 +4,7 @@ * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc - * Copyright (c) 2006-2010 Jiri Kosina + * Copyright (c) 2006-2012 Jiri Kosina */ /* @@ -14,6 +14,8 @@ * any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/slab.h> #include <linux/init.h> @@ -27,6 +29,7 @@ #include <linux/wait.h> #include <linux/vmalloc.h> #include <linux/sched.h> +#include <linux/semaphore.h> #include <linux/hid.h> #include <linux/hiddev.h> @@ -47,6 +50,10 @@ module_param_named(debug, hid_debug, int, 0600); MODULE_PARM_DESC(debug, "toggle HID debugging messages"); EXPORT_SYMBOL_GPL(hid_debug); +static int hid_ignore_special_drivers = 0; +module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600); +MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver"); + /* * Register a new report for a device. */ @@ -56,10 +63,13 @@ struct hid_report *hid_register_report(struct hid_device *device, unsigned type, struct hid_report_enum *report_enum = device->report_enum + type; struct hid_report *report; + if (id >= HID_MAX_IDS) + return NULL; if (report_enum->report_id_hash[id]) return report_enum->report_id_hash[id]; - if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) + report = kzalloc(sizeof(struct hid_report), GFP_KERNEL); + if (!report) return NULL; if (id != 0) @@ -86,12 +96,15 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned struct hid_field *field; if (report->maxfield == HID_MAX_FIELDS) { - dbg_hid("too many fields in report\n"); + hid_err(report->device, "too many fields in report\n"); return NULL; } - if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) - + values * sizeof(unsigned), GFP_KERNEL))) return NULL; + field = kzalloc((sizeof(struct hid_field) + + usages * sizeof(struct hid_usage) + + values * sizeof(unsigned)), GFP_KERNEL); + if (!field) + return NULL; field->index = report->maxfield++; report->field[field->index] = field; @@ -114,16 +127,16 @@ static int open_collection(struct hid_parser *parser, unsigned type) usage = parser->local.usage[0]; if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { - dbg_hid("collection stack overflow\n"); - return -1; + hid_err(parser->device, "collection stack overflow\n"); + return -EINVAL; } if (parser->device->maxcollection == parser->device->collection_size) { collection = kmalloc(sizeof(struct hid_collection) * parser->device->collection_size * 2, GFP_KERNEL); if (collection == NULL) { - dbg_hid("failed to reallocate collection array\n"); - return -1; + hid_err(parser->device, "failed to reallocate collection array\n"); + return -ENOMEM; } memcpy(collection, parser->device->collection, sizeof(struct hid_collection) * @@ -158,8 +171,8 @@ static int open_collection(struct hid_parser *parser, unsigned type) static int close_collection(struct hid_parser *parser) { if (!parser->collection_stack_ptr) { - dbg_hid("collection stack underflow\n"); - return -1; + hid_err(parser->device, "collection stack underflow\n"); + return -EINVAL; } parser->collection_stack_ptr--; return 0; @@ -172,10 +185,14 @@ static int close_collection(struct hid_parser *parser) static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) { + struct hid_collection *collection = parser->device->collection; int n; - for (n = parser->collection_stack_ptr - 1; n >= 0; n--) - if (parser->device->collection[parser->collection_stack[n]].type == type) - return parser->device->collection[parser->collection_stack[n]].usage; + + for (n = parser->collection_stack_ptr - 1; n >= 0; n--) { + unsigned index = parser->collection_stack[n]; + if (collection[index].type == type) + return collection[index].usage; + } return 0; /* we know nothing about this usage type */ } @@ -186,7 +203,7 @@ static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) static int hid_add_usage(struct hid_parser *parser, unsigned usage) { if (parser->local.usage_index >= HID_MAX_USAGES) { - dbg_hid("usage index exceeded\n"); + hid_err(parser->device, "usage index exceeded\n"); return -1; } parser->local.usage[parser->local.usage_index] = usage; @@ -205,17 +222,26 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign { struct hid_report *report; struct hid_field *field; - int usages; + unsigned usages; unsigned offset; - int i; + unsigned i; - if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { - dbg_hid("hid_register_report failed\n"); + report = hid_register_report(parser->device, report_type, parser->global.report_id); + if (!report) { + hid_err(parser->device, "hid_register_report failed\n"); return -1; } - if (parser->global.logical_maximum < parser->global.logical_minimum) { - dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum); + /* Handle both signed and unsigned cases properly */ + if ((parser->global.logical_minimum < 0 && + parser->global.logical_maximum < + parser->global.logical_minimum) || + (parser->global.logical_minimum >= 0 && + (__u32)parser->global.logical_maximum < + (__u32)parser->global.logical_minimum)) { + dbg_hid("logical range invalid 0x%x 0x%x\n", + parser->global.logical_minimum, + parser->global.logical_maximum); return -1; } @@ -225,9 +251,11 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign if (!parser->local.usage_index) /* Ignore padding fields */ return 0; - usages = max_t(int, parser->local.usage_index, parser->global.report_count); + usages = max_t(unsigned, parser->local.usage_index, + parser->global.report_count); - if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) + field = hid_register_field(report, usages, parser->global.report_count); + if (!field) return 0; field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); @@ -235,13 +263,14 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); for (i = 0; i < usages; i++) { - int j = i; + unsigned j = i; /* Duplicate the last usage we parsed if we have excess values */ if (i >= parser->local.usage_index) j = parser->local.usage_index - 1; field->usage[i].hid = parser->local.usage[j]; field->usage[i].collection_index = parser->local.collection_index[j]; + field->usage[i].usage_index = i; } field->maxusage = usages; @@ -290,11 +319,12 @@ static s32 item_sdata(struct hid_item *item) static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) { + __s32 raw_value; switch (item->tag) { case HID_GLOBAL_ITEM_TAG_PUSH: if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { - dbg_hid("global enviroment stack overflow\n"); + hid_err(parser->device, "global environment stack overflow\n"); return -1; } @@ -305,7 +335,7 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) case HID_GLOBAL_ITEM_TAG_POP: if (!parser->global_stack_ptr) { - dbg_hid("global enviroment stack underflow\n"); + hid_err(parser->device, "global environment stack underflow\n"); return -1; } @@ -340,7 +370,15 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) return 0; case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: - parser->global.unit_exponent = item_sdata(item); + /* Many devices provide unit exponent as a two's complement + * nibble due to the common misunderstanding of HID + * specification 1.11, 6.2.2.7 Global Items. Attempt to handle + * both this and the standard encoding. */ + raw_value = item_sdata(item); + if (!(raw_value & 0xfffffff0)) + parser->global.unit_exponent = hid_snto32(raw_value, 4); + else + parser->global.unit_exponent = raw_value; return 0; case HID_GLOBAL_ITEM_TAG_UNIT: @@ -349,8 +387,8 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: parser->global.report_size = item_udata(item); - if (parser->global.report_size > 32) { - dbg_hid("invalid report_size %d\n", + if (parser->global.report_size > 128) { + hid_err(parser->device, "invalid report_size %d\n", parser->global.report_size); return -1; } @@ -359,7 +397,7 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: parser->global.report_count = item_udata(item); if (parser->global.report_count > HID_MAX_USAGES) { - dbg_hid("invalid report_count %d\n", + hid_err(parser->device, "invalid report_count %d\n", parser->global.report_count); return -1; } @@ -367,14 +405,16 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) case HID_GLOBAL_ITEM_TAG_REPORT_ID: parser->global.report_id = item_udata(item); - if (parser->global.report_id == 0) { - dbg_hid("report_id 0 is invalid\n"); + if (parser->global.report_id == 0 || + parser->global.report_id >= HID_MAX_IDS) { + hid_err(parser->device, "report_id %u is invalid\n", + parser->global.report_id); return -1; } return 0; default: - dbg_hid("unknown global tag 0x%x\n", item->tag); + hid_err(parser->device, "unknown global tag 0x%x\n", item->tag); return -1; } } @@ -401,19 +441,19 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) * items and the first delimiter set. */ if (parser->local.delimiter_depth != 0) { - dbg_hid("nested delimiters\n"); + hid_err(parser->device, "nested delimiters\n"); return -1; } parser->local.delimiter_depth++; parser->local.delimiter_branch++; } else { if (parser->local.delimiter_depth < 1) { - dbg_hid("bogus close delimiter\n"); + hid_err(parser->device, "bogus close delimiter\n"); return -1; } parser->local.delimiter_depth--; } - return 1; + return 0; case HID_LOCAL_ITEM_TAG_USAGE: @@ -493,7 +533,7 @@ static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) ret = hid_add_field(parser, HID_FEATURE_REPORT, data); break; default: - dbg_hid("unknown main item tag 0x%x\n", item->tag); + hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag); ret = 0; } @@ -528,27 +568,49 @@ static void hid_free_report(struct hid_report *report) } /* - * Free a device structure, all reports, and all fields. + * Close report. This function returns the device + * state to the point prior to hid_open_report(). */ - -static void hid_device_release(struct device *dev) +static void hid_close_report(struct hid_device *device) { - struct hid_device *device = container_of(dev, struct hid_device, dev); unsigned i, j; for (i = 0; i < HID_REPORT_TYPES; i++) { struct hid_report_enum *report_enum = device->report_enum + i; - for (j = 0; j < 256; j++) { + for (j = 0; j < HID_MAX_IDS; j++) { struct hid_report *report = report_enum->report_id_hash[j]; if (report) hid_free_report(report); } + memset(report_enum, 0, sizeof(*report_enum)); + INIT_LIST_HEAD(&report_enum->report_list); } kfree(device->rdesc); + device->rdesc = NULL; + device->rsize = 0; + kfree(device->collection); - kfree(device); + device->collection = NULL; + device->collection_size = 0; + device->maxcollection = 0; + device->maxapplication = 0; + + device->status &= ~HID_STAT_PARSED; +} + +/* + * Free a device structure, all reports, and all fields. + */ + +static void hid_device_release(struct device *dev) +{ + struct hid_device *hid = container_of(dev, struct hid_device, dev); + + hid_close_report(hid); + kfree(hid->dev_rdesc); + kfree(hid); } /* @@ -618,6 +680,117 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) return NULL; } +static void hid_scan_input_usage(struct hid_parser *parser, u32 usage) +{ + struct hid_device *hid = parser->device; + + if (usage == HID_DG_CONTACTID) + hid->group = HID_GROUP_MULTITOUCH; +} + +static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage) +{ + if (usage == 0xff0000c5 && parser->global.report_count == 256 && + parser->global.report_size == 8) + parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8; +} + +static void hid_scan_collection(struct hid_parser *parser, unsigned type) +{ + struct hid_device *hid = parser->device; + + if (((parser->global.usage_page << 16) == HID_UP_SENSOR) && + type == HID_COLLECTION_PHYSICAL) + hid->group = HID_GROUP_SENSOR_HUB; +} + +static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) +{ + __u32 data; + int i; + + data = item_udata(item); + + switch (item->tag) { + case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: + hid_scan_collection(parser, data & 0xff); + break; + case HID_MAIN_ITEM_TAG_END_COLLECTION: + break; + case HID_MAIN_ITEM_TAG_INPUT: + /* ignore constant inputs, they will be ignored by hid-input */ + if (data & HID_MAIN_ITEM_CONSTANT) + break; + for (i = 0; i < parser->local.usage_index; i++) + hid_scan_input_usage(parser, parser->local.usage[i]); + break; + case HID_MAIN_ITEM_TAG_OUTPUT: + break; + case HID_MAIN_ITEM_TAG_FEATURE: + for (i = 0; i < parser->local.usage_index; i++) + hid_scan_feature_usage(parser, parser->local.usage[i]); + break; + } + + /* Reset the local parser environment */ + memset(&parser->local, 0, sizeof(parser->local)); + + return 0; +} + +/* + * Scan a report descriptor before the device is added to the bus. + * Sets device groups and other properties that determine what driver + * to load. + */ +static int hid_scan_report(struct hid_device *hid) +{ + struct hid_parser *parser; + struct hid_item item; + __u8 *start = hid->dev_rdesc; + __u8 *end = start + hid->dev_rsize; + static int (*dispatch_type[])(struct hid_parser *parser, + struct hid_item *item) = { + hid_scan_main, + hid_parser_global, + hid_parser_local, + hid_parser_reserved + }; + + parser = vzalloc(sizeof(struct hid_parser)); + if (!parser) + return -ENOMEM; + + parser->device = hid; + hid->group = HID_GROUP_GENERIC; + + /* + * The parsing is simpler than the one in hid_open_report() as we should + * be robust against hid errors. Those errors will be raised by + * hid_open_report() anyway. + */ + while ((start = fetch_item(start, end, &item)) != NULL) + dispatch_type[item.type](parser, &item); + + /* + * Handle special flags set during scanning. + */ + if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) && + (hid->group == HID_GROUP_MULTITOUCH)) + hid->group = HID_GROUP_MULTITOUCH_WIN_8; + + /* + * Vendor specific handlings + */ + if ((hid->vendor == USB_VENDOR_ID_SYNAPTICS) && + (hid->group == HID_GROUP_GENERIC)) + /* hid-rmi should take care of them, not hid-generic */ + hid->group = HID_GROUP_RMI; + + vfree(parser); + return 0; +} + /** * hid_parse_report - parse device report * @@ -625,15 +798,106 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) * @start: report start * @size: report size * + * Allocate the device report as read by the bus driver. This function should + * only be called from parse() in ll drivers. + */ +int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) +{ + hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL); + if (!hid->dev_rdesc) + return -ENOMEM; + hid->dev_rsize = size; + return 0; +} +EXPORT_SYMBOL_GPL(hid_parse_report); + +static const char * const hid_report_names[] = { + "HID_INPUT_REPORT", + "HID_OUTPUT_REPORT", + "HID_FEATURE_REPORT", +}; +/** + * hid_validate_values - validate existing device report's value indexes + * + * @device: hid device + * @type: which report type to examine + * @id: which report ID to examine (0 for first) + * @field_index: which report field to examine + * @report_counts: expected number of values + * + * Validate the number of values in a given field of a given report, after + * parsing. + */ +struct hid_report *hid_validate_values(struct hid_device *hid, + unsigned int type, unsigned int id, + unsigned int field_index, + unsigned int report_counts) +{ + struct hid_report *report; + + if (type > HID_FEATURE_REPORT) { + hid_err(hid, "invalid HID report type %u\n", type); + return NULL; + } + + if (id >= HID_MAX_IDS) { + hid_err(hid, "invalid HID report id %u\n", id); + return NULL; + } + + /* + * Explicitly not using hid_get_report() here since it depends on + * ->numbered being checked, which may not always be the case when + * drivers go to access report values. + */ + if (id == 0) { + /* + * Validating on id 0 means we should examine the first + * report in the list. + */ + report = list_entry( + hid->report_enum[type].report_list.next, + struct hid_report, list); + } else { + report = hid->report_enum[type].report_id_hash[id]; + } + if (!report) { + hid_err(hid, "missing %s %u\n", hid_report_names[type], id); + return NULL; + } + if (report->maxfield <= field_index) { + hid_err(hid, "not enough fields in %s %u\n", + hid_report_names[type], id); + return NULL; + } + if (report->field[field_index]->report_count < report_counts) { + hid_err(hid, "not enough values in %s %u field %u\n", + hid_report_names[type], id, field_index); + return NULL; + } + return report; +} +EXPORT_SYMBOL_GPL(hid_validate_values); + +/** + * hid_open_report - open a driver-specific device report + * + * @device: hid device + * * Parse a report description into a hid_device structure. Reports are * enumerated, fields are attached to these reports. * 0 returned on success, otherwise nonzero error value. + * + * This function (or the equivalent hid_parse() macro) should only be + * called from probe() in drivers, before starting the device. */ -int hid_parse_report(struct hid_device *device, __u8 *start, - unsigned size) +int hid_open_report(struct hid_device *device) { struct hid_parser *parser; struct hid_item item; + unsigned int size; + __u8 *start; + __u8 *buf; __u8 *end; int ret; static int (*dispatch_type[])(struct hid_parser *parser, @@ -644,58 +908,86 @@ int hid_parse_report(struct hid_device *device, __u8 *start, hid_parser_reserved }; + if (WARN_ON(device->status & HID_STAT_PARSED)) + return -EBUSY; + + start = device->dev_rdesc; + if (WARN_ON(!start)) + return -ENODEV; + size = device->dev_rsize; + + buf = kmemdup(start, size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + if (device->driver->report_fixup) - start = device->driver->report_fixup(device, start, &size); + start = device->driver->report_fixup(device, buf, &size); + else + start = buf; - device->rdesc = kmemdup(start, size, GFP_KERNEL); - if (device->rdesc == NULL) + start = kmemdup(start, size, GFP_KERNEL); + kfree(buf); + if (start == NULL) return -ENOMEM; + + device->rdesc = start; device->rsize = size; - parser = vmalloc(sizeof(struct hid_parser)); + parser = vzalloc(sizeof(struct hid_parser)); if (!parser) { ret = -ENOMEM; goto err; } - memset(parser, 0, sizeof(struct hid_parser)); parser->device = device; end = start + size; + + device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, + sizeof(struct hid_collection), GFP_KERNEL); + if (!device->collection) { + ret = -ENOMEM; + goto err; + } + device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; + ret = -EINVAL; while ((start = fetch_item(start, end, &item)) != NULL) { if (item.format != HID_ITEM_FORMAT_SHORT) { - dbg_hid("unexpected long global item\n"); + hid_err(device, "unexpected long global item\n"); goto err; } if (dispatch_type[item.type](parser, &item)) { - dbg_hid("item %u %u %u %u parsing failed\n", - item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag); + hid_err(device, "item %u %u %u %u parsing failed\n", + item.format, (unsigned)item.size, + (unsigned)item.type, (unsigned)item.tag); goto err; } if (start == end) { if (parser->collection_stack_ptr) { - dbg_hid("unbalanced collection at end of report description\n"); + hid_err(device, "unbalanced collection at end of report description\n"); goto err; } if (parser->local.delimiter_depth) { - dbg_hid("unbalanced delimiter at end of report description\n"); + hid_err(device, "unbalanced delimiter at end of report description\n"); goto err; } vfree(parser); + device->status |= HID_STAT_PARSED; return 0; } } - dbg_hid("item fetching failed at offset %d\n", (int)(end - start)); + hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); err: vfree(parser); + hid_close_report(device); return ret; } -EXPORT_SYMBOL_GPL(hid_parse_report); +EXPORT_SYMBOL_GPL(hid_open_report); /* * Convert a signed n-bit integer to signed 32-bit integer. Common @@ -713,6 +1005,12 @@ static s32 snto32(__u32 value, unsigned n) return value & (1 << (n - 1)) ? value | (-1 << n) : value; } +s32 hid_snto32(__u32 value, unsigned n) +{ + return snto32(value, n); +} +EXPORT_SYMBOL_GPL(hid_snto32); + /* * Convert a signed 32-bit integer to a signed n-bit integer. */ @@ -737,13 +1035,14 @@ static u32 s32ton(__s32 value, unsigned n) * Search linux-kernel and linux-usb-devel archives for "hid-core extract". */ -static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) +static __u32 extract(const struct hid_device *hid, __u8 *report, + unsigned offset, unsigned n) { u64 x; if (n > 32) - printk(KERN_WARNING "HID: extract() called with n (%d) > 32! (%s)\n", - n, current->comm); + hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", + n, current->comm); report += offset >> 3; /* adjust byte index */ offset &= 7; /* now only need bit offset into one byte */ @@ -760,18 +1059,19 @@ static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) * endianness of register values by considering a register * a "cached" copy of the little endiad bit stream. */ -static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value) +static void implement(const struct hid_device *hid, __u8 *report, + unsigned offset, unsigned n, __u32 value) { u64 x; u64 m = (1ULL << n) - 1; if (n > 32) - printk(KERN_WARNING "HID: implement() called with n (%d) > 32! (%s)\n", - n, current->comm); + hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", + __func__, n, current->comm); if (value > m) - printk(KERN_WARNING "HID: implement() called with too large value %d! (%s)\n", - value, current->comm); + hid_warn(hid, "%s() called with too large value %d! (%s)\n", + __func__, value, current->comm); WARN_ON(value > m); value &= m; @@ -788,7 +1088,7 @@ static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u3 * Search an array for a value. */ -static __inline__ int search(__s32 *array, __s32 value, unsigned n) +static int search(__s32 *array, __s32 value, unsigned n) { while (n--) { if (*array++ == value) @@ -852,13 +1152,14 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_driver *hdrv = hid->driver; int ret; - hid_dump_input(hid, usage, value); + if (!list_empty(&hid->debug_list)) + hid_dump_input(hid, usage, value); if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { ret = hdrv->event(hid, field, usage, value); if (ret != 0) { if (ret < 0) - dbg_hid("%s's event failed with %d\n", + hid_err(hid, "%s's event failed with %d\n", hdrv->name, ret); return; } @@ -887,18 +1188,22 @@ static void hid_input_field(struct hid_device *hid, struct hid_field *field, __s32 max = field->logical_maximum; __s32 *value; - if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) + value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); + if (!value) return; for (n = 0; n < count; n++) { - value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) : - extract(data, offset + n * size, size); + value[n] = min < 0 ? + snto32(extract(hid, data, offset + n * size, size), + size) : + extract(hid, data, offset + n * size, size); - if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */ - && value[n] >= min && value[n] <= max - && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) - goto exit; + /* Ignore report if ErrorRollOver */ + if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && + value[n] >= min && value[n] <= max && + field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) + goto exit; } for (n = 0; n < count; n++) { @@ -928,7 +1233,8 @@ exit: * Output the field into the report. */ -static void hid_output_field(struct hid_field *field, __u8 *data) +static void hid_output_field(const struct hid_device *hid, + struct hid_field *field, __u8 *data) { unsigned count = field->report_count; unsigned offset = field->report_offset; @@ -937,14 +1243,17 @@ static void hid_output_field(struct hid_field *field, __u8 *data) for (n = 0; n < count; n++) { if (field->logical_minimum < 0) /* signed values */ - implement(data, offset + n * size, size, s32ton(field->value[n], size)); + implement(hid, data, offset + n * size, size, + s32ton(field->value[n], size)); else /* unsigned values */ - implement(data, offset + n * size, size, field->value[n]); + implement(hid, data, offset + n * size, size, + field->value[n]); } } /* - * Create a report. + * Create a report. 'data' has to be allocated using + * hid_alloc_report_buf() so that it has proper size. */ void hid_output_report(struct hid_report *report, __u8 *data) @@ -956,10 +1265,32 @@ void hid_output_report(struct hid_report *report, __u8 *data) memset(data, 0, ((report->size - 1) >> 3) + 1); for (n = 0; n < report->maxfield; n++) - hid_output_field(report->field[n], data); + hid_output_field(report->device, report->field[n], data); } EXPORT_SYMBOL_GPL(hid_output_report); +static int hid_report_len(struct hid_report *report) +{ + /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ + return ((report->size - 1) >> 3) + 1 + (report->id > 0); +} + +/* + * Allocator for buffer that is going to be passed to hid_output_report() + */ +u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) +{ + /* + * 7 extra bytes are necessary to achieve proper functionality + * of implement() working on 8 byte chunks + */ + + int len = hid_report_len(report) + 7; + + return kmalloc(len, flags); +} +EXPORT_SYMBOL_GPL(hid_alloc_report_buf); + /* * Set a field value. The report this field belongs to has to be * created and transferred to the device, to set this value in the @@ -968,17 +1299,23 @@ EXPORT_SYMBOL_GPL(hid_output_report); int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) { - unsigned size = field->report_size; + unsigned size; + + if (!field) + return -1; + + size = field->report_size; hid_dump_input(field->report->device, field->usage + offset, value); if (offset >= field->report_count) { - dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count); + hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", + offset, field->report_count); return -1; } if (field->logical_minimum < 0) { if (value != snto32(s32ton(value, size), size)) { - dbg_hid("value %d is out of range\n", value); + hid_err(field->report->device, "value %d is out of range\n", value); return -1; } } @@ -1004,18 +1341,55 @@ static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, return report; } -void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, +/* + * Implement a generic .request() callback, using .raw_request() + * DO NOT USE in hid drivers directly, but through hid_hw_request instead. + */ +void __hid_request(struct hid_device *hid, struct hid_report *report, + int reqtype) +{ + char *buf; + int ret; + int len; + + buf = hid_alloc_report_buf(report, GFP_KERNEL); + if (!buf) + return; + + len = hid_report_len(report); + + if (reqtype == HID_REQ_SET_REPORT) + hid_output_report(report, buf); + + ret = hid->ll_driver->raw_request(hid, report->id, buf, len, + report->type, reqtype); + if (ret < 0) { + dbg_hid("unable to complete request: %d\n", ret); + goto out; + } + + if (reqtype == HID_REQ_GET_REPORT) + hid_input_report(hid, report->type, buf, ret, 0); + +out: + kfree(buf); +} +EXPORT_SYMBOL_GPL(__hid_request); + +int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, int interrupt) { struct hid_report_enum *report_enum = hid->report_enum + type; struct hid_report *report; + struct hid_driver *hdrv; unsigned int a; int rsize, csize = size; u8 *cdata = data; + int ret = 0; report = hid_get_report(report_enum, data); if (!report) - return; + goto out; if (report_enum->numbered) { cdata++; @@ -1024,6 +1398,9 @@ void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, rsize = ((report->size - 1) >> 3) + 1; + if (rsize > HID_MAX_BUFFER_SIZE) + rsize = HID_MAX_BUFFER_SIZE; + if (csize < rsize) { dbg_hid("report %d is too short, (%d < %d)\n", report->id, csize, rsize); @@ -1032,14 +1409,24 @@ void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) hid->hiddev_report_event(hid, report); - if (hid->claimed & HID_CLAIMED_HIDRAW) - hidraw_report_event(hid, data, size); + if (hid->claimed & HID_CLAIMED_HIDRAW) { + ret = hidraw_report_event(hid, data, size); + if (ret) + goto out; + } - for (a = 0; a < report->maxfield; a++) - hid_input_field(hid, report->field[a], cdata, interrupt); + if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) { + for (a = 0; a < report->maxfield; a++) + hid_input_field(hid, report->field[a], cdata, interrupt); + hdrv = hid->driver; + if (hdrv && hdrv->report) + hdrv->report(hid, report); + } if (hid->claimed & HID_CLAIMED_INPUT) hidinput_report_event(hid, report); +out: + return ret; } EXPORT_SYMBOL_GPL(hid_report_raw_event); @@ -1059,65 +1446,62 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i struct hid_report_enum *report_enum; struct hid_driver *hdrv; struct hid_report *report; - char *buf; - unsigned int i; - int ret; + int ret = 0; - if (!hid || !hid->driver) + if (!hid) return -ENODEV; + + if (down_trylock(&hid->driver_input_lock)) + return -EBUSY; + + if (!hid->driver) { + ret = -ENODEV; + goto unlock; + } report_enum = hid->report_enum + type; hdrv = hid->driver; if (!size) { dbg_hid("empty report\n"); - return -1; + ret = -1; + goto unlock; } - buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); - - if (!buf) - goto nomem; - - /* dump the report */ - snprintf(buf, HID_DEBUG_BUFSIZE - 1, - "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un"); - hid_debug_event(hid, buf); - - for (i = 0; i < size; i++) { - snprintf(buf, HID_DEBUG_BUFSIZE - 1, - " %02x", data[i]); - hid_debug_event(hid, buf); - } - hid_debug_event(hid, "\n"); - kfree(buf); + /* Avoid unnecessary overhead if debugfs is disabled */ + if (!list_empty(&hid->debug_list)) + hid_dump_report(hid, type, data, size); -nomem: report = hid_get_report(report_enum, data); - if (!report) - return -1; + if (!report) { + ret = -1; + goto unlock; + } if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { ret = hdrv->raw_event(hid, report, data, size); - if (ret != 0) - return ret < 0 ? ret : 0; + if (ret < 0) + goto unlock; } - hid_report_raw_event(hid, type, data, size, interrupt); + ret = hid_report_raw_event(hid, type, data, size, interrupt); - return 0; +unlock: + up(&hid->driver_input_lock); + return ret; } EXPORT_SYMBOL_GPL(hid_input_report); static bool hid_match_one_id(struct hid_device *hdev, const struct hid_device_id *id) { - return id->bus == hdev->bus && + return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) && + (id->group == HID_GROUP_ANY || id->group == hdev->group) && (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && (id->product == HID_ANY_ID || id->product == hdev->product); } -static const struct hid_device_id *hid_match_id(struct hid_device *hdev, +const struct hid_device_id *hid_match_id(struct hid_device *hdev, const struct hid_device_id *id) { for (; id->bus; id++) @@ -1138,6 +1522,32 @@ static bool hid_hiddev(struct hid_device *hdev) return !!hid_match_id(hdev, hid_hiddev_list); } + +static ssize_t +read_report_descriptor(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + + if (off >= hdev->rsize) + return 0; + + if (off + count > hdev->rsize) + count = hdev->rsize - off; + + memcpy(buf, hdev->rdesc + off, count); + + return count; +} + +static struct bin_attribute dev_bin_attr_report_desc = { + .attr = { .name = "report_descriptor", .mode = 0444 }, + .read = read_report_descriptor, + .size = HID_MAX_DESCRIPTOR_SIZE, +}; + int hid_connect(struct hid_device *hdev, unsigned int connect_mask) { static const char *types[] = { "Device", "Pointer", "Mouse", "Device", @@ -1148,6 +1558,7 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) char buf[64]; unsigned int i; int len; + int ret; if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); @@ -1161,6 +1572,7 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, connect_mask & HID_CONNECT_HIDINPUT_FORCE)) hdev->claimed |= HID_CLAIMED_INPUT; + if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && !hdev->hiddev_connect(hdev, connect_mask & HID_CONNECT_HIDDEV_FORCE)) @@ -1168,9 +1580,10 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) hdev->claimed |= HID_CLAIMED_HIDRAW; - if (!hdev->claimed) { - dev_err(&hdev->dev, "claimed by neither input, hiddev nor " - "hidraw\n"); + /* Drivers with the ->raw_event callback set are not required to connect + * to any other listener. */ + if (!hdev->claimed && !hdev->driver->raw_event) { + hid_err(hdev, "device has no listeners, quitting\n"); return -ENODEV; } @@ -1210,9 +1623,14 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) bus = "<UNKNOWN>"; } - dev_info(&hdev->dev, "%s: %s HID v%x.%02x %s [%s] on %s\n", - buf, bus, hdev->version >> 8, hdev->version & 0xff, - type, hdev->name, hdev->phys); + ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); + if (ret) + hid_warn(hdev, + "can't create sysfs report descriptor attribute err: %d\n", ret); + + hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", + buf, bus, hdev->version >> 8, hdev->version & 0xff, + type, hdev->name, hdev->phys); return 0; } @@ -1220,6 +1638,7 @@ EXPORT_SYMBOL_GPL(hid_connect); void hid_disconnect(struct hid_device *hdev) { + device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); if (hdev->claimed & HID_CLAIMED_INPUT) hidinput_disconnect(hdev); if (hdev->claimed & HID_CLAIMED_HIDDEV) @@ -1229,18 +1648,24 @@ void hid_disconnect(struct hid_device *hdev) } EXPORT_SYMBOL_GPL(hid_disconnect); -/* a list of devices for which there is a specialized driver on HID bus */ -static const struct hid_device_id hid_blacklist[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) }, - { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) }, +/* + * A list of devices for which there is a specialized driver on HID bus. + * + * Please note that for multitouch devices (driven by hid-multitouch driver), + * there is a proper autodetection and autoloading in place (based on presence + * of HID_DG_CONTACTID), so those devices don't need to be added to this list, + * as we are doing the right thing in hid_scan_usage(). + * + * Autodetection for (USB) HID sensor hubs exists too. If a collection of type + * physical is found inside a usage page of type sensor, hid-sensor-hub will be + * used as a driver. See hid_scan_report(). + */ +static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, -#if defined(CONFIG_HID_ACRUX_FF) || defined(CONFIG_HID_ACRUX_FF_MODULE) { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, -#endif - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, @@ -1264,6 +1689,11 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, @@ -1276,31 +1706,67 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, - { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) }, - { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, + { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, @@ -1309,13 +1775,35 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, +#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD) + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, +#endif { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, @@ -1332,18 +1820,30 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, +#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, +#endif { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, @@ -1364,21 +1864,49 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, +#if IS_ENABLED(CONFIG_HID_ROCCAT) + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) }, { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, +#endif +#if IS_ENABLED(CONFIG_HID_SAITEK) + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) }, +#endif { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) }, - { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) }, - { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, @@ -1386,6 +1914,9 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, @@ -1393,17 +1924,33 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, + { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, { } }; @@ -1440,6 +1987,7 @@ static ssize_t store_new_id(struct device_driver *drv, const char *buf, return -ENOMEM; dynid->id.bus = bus; + dynid->id.group = HID_GROUP_ANY; dynid->id.vendor = vendor; dynid->id.product = product; dynid->id.driver_data = driver_data; @@ -1448,11 +1996,7 @@ static ssize_t store_new_id(struct device_driver *drv, const char *buf, list_add_tail(&dynid->list, &hdrv->dyn_list); spin_unlock(&hdrv->dyn_lock); - ret = 0; - if (get_driver(&hdrv->driver)) { - ret = driver_attach(&hdrv->driver); - put_driver(&hdrv->driver); - } + ret = driver_attach(&hdrv->driver); return ret ? : count; } @@ -1492,14 +2036,7 @@ static int hid_bus_match(struct device *dev, struct device_driver *drv) struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); struct hid_device *hdev = container_of(dev, struct hid_device, dev); - if (!hid_match_device(hdev, hdrv)) - return 0; - - /* generic wants all non-blacklisted */ - if (!strncmp(hdrv->name, "generic-", 8)) - return !hid_match_id(hdev, hid_blacklist); - - return 1; + return hid_match_device(hdev, hdrv) != NULL; } static int hid_device_probe(struct device *dev) @@ -1510,41 +2047,92 @@ static int hid_device_probe(struct device *dev) const struct hid_device_id *id; int ret = 0; + if (down_interruptible(&hdev->driver_lock)) + return -EINTR; + if (down_interruptible(&hdev->driver_input_lock)) { + ret = -EINTR; + goto unlock_driver_lock; + } + hdev->io_started = false; + if (!hdev->driver) { id = hid_match_device(hdev, hdrv); - if (id == NULL) - return -ENODEV; + if (id == NULL) { + ret = -ENODEV; + goto unlock; + } hdev->driver = hdrv; if (hdrv->probe) { ret = hdrv->probe(hdev, id); } else { /* default probe */ - ret = hid_parse(hdev); + ret = hid_open_report(hdev); if (!ret) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); } - if (ret) + if (ret) { + hid_close_report(hdev); hdev->driver = NULL; + } } +unlock: + if (!hdev->io_started) + up(&hdev->driver_input_lock); +unlock_driver_lock: + up(&hdev->driver_lock); return ret; } static int hid_device_remove(struct device *dev) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct hid_driver *hdrv = hdev->driver; + struct hid_driver *hdrv; + int ret = 0; + + if (down_interruptible(&hdev->driver_lock)) + return -EINTR; + if (down_interruptible(&hdev->driver_input_lock)) { + ret = -EINTR; + goto unlock_driver_lock; + } + hdev->io_started = false; + hdrv = hdev->driver; if (hdrv) { if (hdrv->remove) hdrv->remove(hdev); else /* default remove */ hid_hw_stop(hdev); + hid_close_report(hdev); hdev->driver = NULL; } - return 0; + if (!hdev->io_started) + up(&hdev->driver_input_lock); +unlock_driver_lock: + up(&hdev->driver_lock); + return ret; } +static ssize_t modalias_show(struct device *dev, struct device_attribute *a, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + int len; + + len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", + hdev->bus, hdev->group, hdev->vendor, hdev->product); + + return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; +} +static DEVICE_ATTR_RO(modalias); + +static struct attribute *hid_dev_attrs[] = { + &dev_attr_modalias.attr, + NULL, +}; +ATTRIBUTE_GROUPS(hid_dev); + static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); @@ -1562,8 +2150,8 @@ static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) return -ENOMEM; - if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", - hdev->bus, hdev->vendor, hdev->product)) + if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X", + hdev->bus, hdev->group, hdev->vendor, hdev->product)) return -ENOMEM; return 0; @@ -1571,6 +2159,7 @@ static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) static struct bus_type hid_bus_type = { .name = "hid", + .dev_groups = hid_dev_groups, .match = hid_bus_match, .probe = hid_device_probe, .remove = hid_device_remove, @@ -1594,21 +2183,24 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) }, { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) }, { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, @@ -1624,6 +2216,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) }, { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, @@ -1671,25 +2264,45 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, - { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_YUREX) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) }, { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, @@ -1711,6 +2324,16 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, +#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE) + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, +#endif { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, @@ -1721,6 +2344,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, { } }; @@ -1756,13 +2380,45 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } }; -static bool hid_ignore(struct hid_device *hdev) +bool hid_ignore(struct hid_device *hdev) { + if (hdev->quirks & HID_QUIRK_NO_IGNORE) + return false; + if (hdev->quirks & HID_QUIRK_IGNORE) + return true; + switch (hdev->vendor) { case USB_VENDOR_ID_CODEMERCS: /* ignore all Code Mercenaries IOWarrior devices */ @@ -1774,6 +2430,16 @@ static bool hid_ignore(struct hid_device *hdev) if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) return true; + /* + * The Keene FM transmitter USB device has the same USB ID as + * the Logitech AudioHub Speaker, but it should ignore the hid. + * Check if the name is that of the Keene device. + * For reference: the name of the AudioHub is + * "HOLTEK AudioHub Speaker". + */ + if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB && + !strcmp(hdev->name, "HOLTEK B-LINK USB Audio ")) + return true; break; case USB_VENDOR_ID_SOUNDGRAPH: if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && @@ -1785,6 +2451,31 @@ static bool hid_ignore(struct hid_device *hdev) hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) return true; break; + case USB_VENDOR_ID_JESS: + if (hdev->product == USB_DEVICE_ID_JESS_YUREX && + hdev->type == HID_TYPE_USBNONE) + return true; + break; + case USB_VENDOR_ID_VELLEMAN: + /* These are not HID devices. They are handled by comedi. */ + if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST && + hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) || + (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST && + hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST)) + return true; + break; + case USB_VENDOR_ID_ATMEL_V_USB: + /* Masterkit MA901 usb radio based on Atmel tiny85 chip and + * it has the same USB ID as many Atmel V-USB devices. This + * usb radio is handled by radio-ma901.c driver so we want + * ignore the hid. Check the name, bus, product and ignore + * if we have MA901 usb radio. + */ + if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB && + hdev->bus == BUS_USB && + strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0) + return true; + break; } if (hdev->type == HID_TYPE_USBMOUSE && @@ -1793,6 +2484,7 @@ static bool hid_ignore(struct hid_device *hdev) return !!hid_match_id(hdev, hid_ignore_list); } +EXPORT_SYMBOL_GPL(hid_ignore); int hid_add_device(struct hid_device *hdev) { @@ -1804,10 +2496,37 @@ int hid_add_device(struct hid_device *hdev) /* we need to kill them here, otherwise they will stay allocated to * wait for coming driver */ - if (!(hdev->quirks & HID_QUIRK_NO_IGNORE) - && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE))) + if (hid_ignore(hdev)) + return -ENODEV; + + /* + * Check for the mandatory transport channel. + */ + if (!hdev->ll_driver->raw_request) { + hid_err(hdev, "transport driver missing .raw_request()\n"); + return -EINVAL; + } + + /* + * Read the device report descriptor once and use as template + * for the driver-specific modifications. + */ + ret = hdev->ll_driver->parse(hdev); + if (ret) + return ret; + if (!hdev->dev_rdesc) return -ENODEV; + /* + * Scan generic devices for group information + */ + if (hid_ignore_special_drivers || + !hid_match_id(hdev, hid_have_special_driver)) { + ret = hid_scan_report(hdev); + if (ret) + hid_warn(hdev, "bad device descriptor (%d)\n", ret); + } + /* XXX hack, any other cleaner solution after the driver core * is converted to allow more than 20 bytes as the device name? */ dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, @@ -1836,7 +2555,6 @@ EXPORT_SYMBOL_GPL(hid_add_device); struct hid_device *hid_allocate_device(void) { struct hid_device *hdev; - unsigned int i; int ret = -ENOMEM; hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); @@ -1847,22 +2565,15 @@ struct hid_device *hid_allocate_device(void) hdev->dev.release = hid_device_release; hdev->dev.bus = &hid_bus_type; - hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, - sizeof(struct hid_collection), GFP_KERNEL); - if (hdev->collection == NULL) - goto err; - hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; - - for (i = 0; i < HID_REPORT_TYPES; i++) - INIT_LIST_HEAD(&hdev->report_enum[i].report_list); + hid_close_report(hdev); init_waitqueue_head(&hdev->debug_wait); INIT_LIST_HEAD(&hdev->debug_list); + spin_lock_init(&hdev->debug_list_lock); + sema_init(&hdev->driver_lock, 1); + sema_init(&hdev->driver_input_lock, 1); return hdev; -err: - put_device(&hdev->dev); - return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(hid_allocate_device); @@ -1873,6 +2584,9 @@ static void hid_remove_device(struct hid_device *hdev) hid_debug_unregister(hdev); hdev->status &= ~HID_STAT_ADDED; } + kfree(hdev->dev_rdesc); + hdev->dev_rdesc = NULL; + hdev->dev_rsize = 0; } /** @@ -1947,12 +2661,12 @@ static int __init hid_init(void) int ret; if (hid_debug) - printk(KERN_WARNING "HID: hid_debug is now used solely for parser and driver debugging.\n" - "HID: debugfs is now used for inspecting the device (report descriptor, reports)\n"); + pr_warn("hid_debug is now used solely for parser and driver debugging.\n" + "debugfs is now used for inspecting the device (report descriptor, reports)\n"); ret = bus_register(&hid_bus_type); if (ret) { - printk(KERN_ERR "HID: can't register hid bus\n"); + pr_err("can't register hid bus\n"); goto err; } diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c new file mode 100644 index 00000000000..56be85a9a77 --- /dev/null +++ b/drivers/hid/hid-cp2112.c @@ -0,0 +1,1073 @@ +/* + * hid-cp2112.c - Silicon Labs HID USB to SMBus master bridge + * Copyright (c) 2013,2014 Uplogix, Inc. + * David Barksdale <dbarksdale@uplogix.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +/* + * The Silicon Labs CP2112 chip is a USB HID device which provides an + * SMBus controller for talking to slave devices and 8 GPIO pins. The + * host communicates with the CP2112 via raw HID reports. + * + * Data Sheet: + * http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf + * Programming Interface Specification: + * http://www.silabs.com/Support%20Documents/TechnicalDocs/AN495.pdf + */ + +#include <linux/gpio.h> +#include <linux/hid.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/nls.h> +#include <linux/usb/ch9.h> +#include "hid-ids.h" + +enum { + CP2112_GPIO_CONFIG = 0x02, + CP2112_GPIO_GET = 0x03, + CP2112_GPIO_SET = 0x04, + CP2112_GET_VERSION_INFO = 0x05, + CP2112_SMBUS_CONFIG = 0x06, + CP2112_DATA_READ_REQUEST = 0x10, + CP2112_DATA_WRITE_READ_REQUEST = 0x11, + CP2112_DATA_READ_FORCE_SEND = 0x12, + CP2112_DATA_READ_RESPONSE = 0x13, + CP2112_DATA_WRITE_REQUEST = 0x14, + CP2112_TRANSFER_STATUS_REQUEST = 0x15, + CP2112_TRANSFER_STATUS_RESPONSE = 0x16, + CP2112_CANCEL_TRANSFER = 0x17, + CP2112_LOCK_BYTE = 0x20, + CP2112_USB_CONFIG = 0x21, + CP2112_MANUFACTURER_STRING = 0x22, + CP2112_PRODUCT_STRING = 0x23, + CP2112_SERIAL_STRING = 0x24, +}; + +enum { + STATUS0_IDLE = 0x00, + STATUS0_BUSY = 0x01, + STATUS0_COMPLETE = 0x02, + STATUS0_ERROR = 0x03, +}; + +enum { + STATUS1_TIMEOUT_NACK = 0x00, + STATUS1_TIMEOUT_BUS = 0x01, + STATUS1_ARBITRATION_LOST = 0x02, + STATUS1_READ_INCOMPLETE = 0x03, + STATUS1_WRITE_INCOMPLETE = 0x04, + STATUS1_SUCCESS = 0x05, +}; + +struct cp2112_smbus_config_report { + u8 report; /* CP2112_SMBUS_CONFIG */ + __be32 clock_speed; /* Hz */ + u8 device_address; /* Stored in the upper 7 bits */ + u8 auto_send_read; /* 1 = enabled, 0 = disabled */ + __be16 write_timeout; /* ms, 0 = no timeout */ + __be16 read_timeout; /* ms, 0 = no timeout */ + u8 scl_low_timeout; /* 1 = enabled, 0 = disabled */ + __be16 retry_time; /* # of retries, 0 = no limit */ +} __packed; + +struct cp2112_usb_config_report { + u8 report; /* CP2112_USB_CONFIG */ + __le16 vid; /* Vendor ID */ + __le16 pid; /* Product ID */ + u8 max_power; /* Power requested in 2mA units */ + u8 power_mode; /* 0x00 = bus powered + 0x01 = self powered & regulator off + 0x02 = self powered & regulator on */ + u8 release_major; + u8 release_minor; + u8 mask; /* What fields to program */ +} __packed; + +struct cp2112_read_req_report { + u8 report; /* CP2112_DATA_READ_REQUEST */ + u8 slave_address; + __be16 length; +} __packed; + +struct cp2112_write_read_req_report { + u8 report; /* CP2112_DATA_WRITE_READ_REQUEST */ + u8 slave_address; + __be16 length; + u8 target_address_length; + u8 target_address[16]; +} __packed; + +struct cp2112_write_req_report { + u8 report; /* CP2112_DATA_WRITE_REQUEST */ + u8 slave_address; + u8 length; + u8 data[61]; +} __packed; + +struct cp2112_force_read_report { + u8 report; /* CP2112_DATA_READ_FORCE_SEND */ + __be16 length; +} __packed; + +struct cp2112_xfer_status_report { + u8 report; /* CP2112_TRANSFER_STATUS_RESPONSE */ + u8 status0; /* STATUS0_* */ + u8 status1; /* STATUS1_* */ + __be16 retries; + __be16 length; +} __packed; + +struct cp2112_string_report { + u8 dummy; /* force .string to be aligned */ + u8 report; /* CP2112_*_STRING */ + u8 length; /* length in bytes of everyting after .report */ + u8 type; /* USB_DT_STRING */ + wchar_t string[30]; /* UTF16_LITTLE_ENDIAN string */ +} __packed; + +/* Number of times to request transfer status before giving up waiting for a + transfer to complete. This may need to be changed if SMBUS clock, retries, + or read/write/scl_low timeout settings are changed. */ +static const int XFER_STATUS_RETRIES = 10; + +/* Time in ms to wait for a CP2112_DATA_READ_RESPONSE or + CP2112_TRANSFER_STATUS_RESPONSE. */ +static const int RESPONSE_TIMEOUT = 50; + +static const struct hid_device_id cp2112_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, + { } +}; +MODULE_DEVICE_TABLE(hid, cp2112_devices); + +struct cp2112_device { + struct i2c_adapter adap; + struct hid_device *hdev; + wait_queue_head_t wait; + u8 read_data[61]; + u8 read_length; + int xfer_status; + atomic_t read_avail; + atomic_t xfer_avail; + struct gpio_chip gc; +}; + +static int gpio_push_pull = 0xFF; +module_param(gpio_push_pull, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(gpio_push_pull, "GPIO push-pull configuration bitmask"); + +static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + struct cp2112_device *dev = container_of(chip, struct cp2112_device, + gc); + struct hid_device *hdev = dev->hdev; + u8 buf[5]; + int ret; + + ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, + sizeof(buf), HID_FEATURE_REPORT, + HID_REQ_GET_REPORT); + if (ret != sizeof(buf)) { + hid_err(hdev, "error requesting GPIO config: %d\n", ret); + return ret; + } + + buf[1] &= ~(1 << offset); + buf[2] = gpio_push_pull; + + ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret < 0) { + hid_err(hdev, "error setting GPIO config: %d\n", ret); + return ret; + } + + return 0; +} + +static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + struct cp2112_device *dev = container_of(chip, struct cp2112_device, + gc); + struct hid_device *hdev = dev->hdev; + u8 buf[3]; + int ret; + + buf[0] = CP2112_GPIO_SET; + buf[1] = value ? 0xff : 0; + buf[2] = 1 << offset; + + ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret < 0) + hid_err(hdev, "error setting GPIO values: %d\n", ret); +} + +static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct cp2112_device *dev = container_of(chip, struct cp2112_device, + gc); + struct hid_device *hdev = dev->hdev; + u8 buf[2]; + int ret; + + ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); + if (ret != sizeof(buf)) { + hid_err(hdev, "error requesting GPIO values: %d\n", ret); + return ret; + } + + return (buf[1] >> offset) & 1; +} + +static int cp2112_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct cp2112_device *dev = container_of(chip, struct cp2112_device, + gc); + struct hid_device *hdev = dev->hdev; + u8 buf[5]; + int ret; + + cp2112_gpio_set(chip, offset, value); + + ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, + sizeof(buf), HID_FEATURE_REPORT, + HID_REQ_GET_REPORT); + if (ret != sizeof(buf)) { + hid_err(hdev, "error requesting GPIO config: %d\n", ret); + return ret; + } + + buf[1] |= 1 << offset; + buf[2] = gpio_push_pull; + + ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret < 0) { + hid_err(hdev, "error setting GPIO config: %d\n", ret); + return ret; + } + + return 0; +} + +static int cp2112_hid_get(struct hid_device *hdev, unsigned char report_number, + u8 *data, size_t count, unsigned char report_type) +{ + u8 *buf; + int ret; + + buf = kmalloc(count, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = hid_hw_raw_request(hdev, report_number, buf, count, + report_type, HID_REQ_GET_REPORT); + memcpy(data, buf, count); + kfree(buf); + return ret; +} + +static int cp2112_hid_output(struct hid_device *hdev, u8 *data, size_t count, + unsigned char report_type) +{ + u8 *buf; + int ret; + + buf = kmemdup(data, count, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (report_type == HID_OUTPUT_REPORT) + ret = hid_hw_output_report(hdev, buf, count); + else + ret = hid_hw_raw_request(hdev, buf[0], buf, count, report_type, + HID_REQ_SET_REPORT); + + kfree(buf); + return ret; +} + +static int cp2112_wait(struct cp2112_device *dev, atomic_t *avail) +{ + int ret = 0; + + /* We have sent either a CP2112_TRANSFER_STATUS_REQUEST or a + * CP2112_DATA_READ_FORCE_SEND and we are waiting for the response to + * come in cp2112_raw_event or timeout. There will only be one of these + * in flight at any one time. The timeout is extremely large and is a + * last resort if the CP2112 has died. If we do timeout we don't expect + * to receive the response which would cause data races, it's not like + * we can do anything about it anyway. + */ + ret = wait_event_interruptible_timeout(dev->wait, + atomic_read(avail), msecs_to_jiffies(RESPONSE_TIMEOUT)); + if (-ERESTARTSYS == ret) + return ret; + if (!ret) + return -ETIMEDOUT; + + atomic_set(avail, 0); + return 0; +} + +static int cp2112_xfer_status(struct cp2112_device *dev) +{ + struct hid_device *hdev = dev->hdev; + u8 buf[2]; + int ret; + + buf[0] = CP2112_TRANSFER_STATUS_REQUEST; + buf[1] = 0x01; + atomic_set(&dev->xfer_avail, 0); + + ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT); + if (ret < 0) { + hid_warn(hdev, "Error requesting status: %d\n", ret); + return ret; + } + + ret = cp2112_wait(dev, &dev->xfer_avail); + if (ret) + return ret; + + return dev->xfer_status; +} + +static int cp2112_read(struct cp2112_device *dev, u8 *data, size_t size) +{ + struct hid_device *hdev = dev->hdev; + struct cp2112_force_read_report report; + int ret; + + report.report = CP2112_DATA_READ_FORCE_SEND; + report.length = cpu_to_be16(size); + + atomic_set(&dev->read_avail, 0); + + ret = cp2112_hid_output(hdev, &report.report, sizeof(report), + HID_OUTPUT_REPORT); + if (ret < 0) { + hid_warn(hdev, "Error requesting data: %d\n", ret); + return ret; + } + + ret = cp2112_wait(dev, &dev->read_avail); + if (ret) + return ret; + + hid_dbg(hdev, "read %d of %zd bytes requested\n", + dev->read_length, size); + + if (size > dev->read_length) + size = dev->read_length; + + memcpy(data, dev->read_data, size); + return dev->read_length; +} + +static int cp2112_read_req(void *buf, u8 slave_address, u16 length) +{ + struct cp2112_read_req_report *report = buf; + + if (length < 1 || length > 512) + return -EINVAL; + + report->report = CP2112_DATA_READ_REQUEST; + report->slave_address = slave_address << 1; + report->length = cpu_to_be16(length); + return sizeof(*report); +} + +static int cp2112_write_read_req(void *buf, u8 slave_address, u16 length, + u8 command, u8 *data, u8 data_length) +{ + struct cp2112_write_read_req_report *report = buf; + + if (length < 1 || length > 512 + || data_length > sizeof(report->target_address) - 1) + return -EINVAL; + + report->report = CP2112_DATA_WRITE_READ_REQUEST; + report->slave_address = slave_address << 1; + report->length = cpu_to_be16(length); + report->target_address_length = data_length + 1; + report->target_address[0] = command; + memcpy(&report->target_address[1], data, data_length); + return data_length + 6; +} + +static int cp2112_write_req(void *buf, u8 slave_address, u8 command, u8 *data, + u8 data_length) +{ + struct cp2112_write_req_report *report = buf; + + if (data_length > sizeof(report->data) - 1) + return -EINVAL; + + report->report = CP2112_DATA_WRITE_REQUEST; + report->slave_address = slave_address << 1; + report->length = data_length + 1; + report->data[0] = command; + memcpy(&report->data[1], data, data_length); + return data_length + 4; +} + +static int cp2112_xfer(struct i2c_adapter *adap, u16 addr, + unsigned short flags, char read_write, u8 command, + int size, union i2c_smbus_data *data) +{ + struct cp2112_device *dev = (struct cp2112_device *)adap->algo_data; + struct hid_device *hdev = dev->hdev; + u8 buf[64]; + __be16 word; + ssize_t count; + size_t read_length = 0; + unsigned int retries; + int ret; + + hid_dbg(hdev, "%s addr 0x%x flags 0x%x cmd 0x%x size %d\n", + read_write == I2C_SMBUS_WRITE ? "write" : "read", + addr, flags, command, size); + + switch (size) { + case I2C_SMBUS_BYTE: + read_length = 1; + + if (I2C_SMBUS_READ == read_write) + count = cp2112_read_req(buf, addr, read_length); + else + count = cp2112_write_req(buf, addr, data->byte, NULL, + 0); + break; + case I2C_SMBUS_BYTE_DATA: + read_length = 1; + + if (I2C_SMBUS_READ == read_write) + count = cp2112_write_read_req(buf, addr, read_length, + command, NULL, 0); + else + count = cp2112_write_req(buf, addr, command, + &data->byte, 1); + break; + case I2C_SMBUS_WORD_DATA: + read_length = 2; + word = cpu_to_be16(data->word); + + if (I2C_SMBUS_READ == read_write) + count = cp2112_write_read_req(buf, addr, read_length, + command, NULL, 0); + else + count = cp2112_write_req(buf, addr, command, + (u8 *)&word, 2); + break; + case I2C_SMBUS_PROC_CALL: + size = I2C_SMBUS_WORD_DATA; + read_write = I2C_SMBUS_READ; + read_length = 2; + word = cpu_to_be16(data->word); + + count = cp2112_write_read_req(buf, addr, read_length, command, + (u8 *)&word, 2); + break; + case I2C_SMBUS_I2C_BLOCK_DATA: + size = I2C_SMBUS_BLOCK_DATA; + /* fallthrough */ + case I2C_SMBUS_BLOCK_DATA: + if (I2C_SMBUS_READ == read_write) { + count = cp2112_write_read_req(buf, addr, + I2C_SMBUS_BLOCK_MAX, + command, NULL, 0); + } else { + count = cp2112_write_req(buf, addr, command, + data->block, + data->block[0] + 1); + } + break; + case I2C_SMBUS_BLOCK_PROC_CALL: + size = I2C_SMBUS_BLOCK_DATA; + read_write = I2C_SMBUS_READ; + + count = cp2112_write_read_req(buf, addr, I2C_SMBUS_BLOCK_MAX, + command, data->block, + data->block[0] + 1); + break; + default: + hid_warn(hdev, "Unsupported transaction %d\n", size); + return -EOPNOTSUPP; + } + + if (count < 0) + return count; + + ret = hid_hw_power(hdev, PM_HINT_FULLON); + if (ret < 0) { + hid_err(hdev, "power management error: %d\n", ret); + return ret; + } + + ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT); + if (ret < 0) { + hid_warn(hdev, "Error starting transaction: %d\n", ret); + goto power_normal; + } + + for (retries = 0; retries < XFER_STATUS_RETRIES; ++retries) { + ret = cp2112_xfer_status(dev); + if (-EBUSY == ret) + continue; + if (ret < 0) + goto power_normal; + break; + } + + if (XFER_STATUS_RETRIES <= retries) { + hid_warn(hdev, "Transfer timed out, cancelling.\n"); + buf[0] = CP2112_CANCEL_TRANSFER; + buf[1] = 0x01; + + ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT); + if (ret < 0) + hid_warn(hdev, "Error cancelling transaction: %d\n", + ret); + + ret = -ETIMEDOUT; + goto power_normal; + } + + if (I2C_SMBUS_WRITE == read_write) { + ret = 0; + goto power_normal; + } + + if (I2C_SMBUS_BLOCK_DATA == size) + read_length = ret; + + ret = cp2112_read(dev, buf, read_length); + if (ret < 0) + goto power_normal; + if (ret != read_length) { + hid_warn(hdev, "short read: %d < %zd\n", ret, read_length); + ret = -EIO; + goto power_normal; + } + + switch (size) { + case I2C_SMBUS_BYTE: + case I2C_SMBUS_BYTE_DATA: + data->byte = buf[0]; + break; + case I2C_SMBUS_WORD_DATA: + data->word = be16_to_cpup((__be16 *)buf); + break; + case I2C_SMBUS_BLOCK_DATA: + if (read_length > I2C_SMBUS_BLOCK_MAX) { + ret = -EPROTO; + goto power_normal; + } + + memcpy(data->block, buf, read_length); + break; + } + + ret = 0; +power_normal: + hid_hw_power(hdev, PM_HINT_NORMAL); + hid_dbg(hdev, "transfer finished: %d\n", ret); + return ret; +} + +static u32 cp2112_functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_BLOCK_DATA | + I2C_FUNC_SMBUS_I2C_BLOCK | + I2C_FUNC_SMBUS_PROC_CALL | + I2C_FUNC_SMBUS_BLOCK_PROC_CALL; +} + +static const struct i2c_algorithm smbus_algorithm = { + .smbus_xfer = cp2112_xfer, + .functionality = cp2112_functionality, +}; + +static int cp2112_get_usb_config(struct hid_device *hdev, + struct cp2112_usb_config_report *cfg) +{ + int ret; + + ret = cp2112_hid_get(hdev, CP2112_USB_CONFIG, (u8 *)cfg, sizeof(*cfg), + HID_FEATURE_REPORT); + if (ret != sizeof(*cfg)) { + hid_err(hdev, "error reading usb config: %d\n", ret); + if (ret < 0) + return ret; + return -EIO; + } + + return 0; +} + +static int cp2112_set_usb_config(struct hid_device *hdev, + struct cp2112_usb_config_report *cfg) +{ + int ret; + + BUG_ON(cfg->report != CP2112_USB_CONFIG); + + ret = cp2112_hid_output(hdev, (u8 *)cfg, sizeof(*cfg), + HID_FEATURE_REPORT); + if (ret != sizeof(*cfg)) { + hid_err(hdev, "error writing usb config: %d\n", ret); + if (ret < 0) + return ret; + return -EIO; + } + + return 0; +} + +static void chmod_sysfs_attrs(struct hid_device *hdev); + +#define CP2112_CONFIG_ATTR(name, store, format, ...) \ +static ssize_t name##_store(struct device *kdev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \ + struct cp2112_usb_config_report cfg; \ + int ret = cp2112_get_usb_config(hdev, &cfg); \ + if (ret) \ + return ret; \ + store; \ + ret = cp2112_set_usb_config(hdev, &cfg); \ + if (ret) \ + return ret; \ + chmod_sysfs_attrs(hdev); \ + return count; \ +} \ +static ssize_t name##_show(struct device *kdev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \ + struct cp2112_usb_config_report cfg; \ + int ret = cp2112_get_usb_config(hdev, &cfg); \ + if (ret) \ + return ret; \ + return scnprintf(buf, PAGE_SIZE, format, ##__VA_ARGS__); \ +} \ +static DEVICE_ATTR_RW(name); + +CP2112_CONFIG_ATTR(vendor_id, ({ + u16 vid; + + if (sscanf(buf, "%hi", &vid) != 1) + return -EINVAL; + + cfg.vid = cpu_to_le16(vid); + cfg.mask = 0x01; +}), "0x%04x\n", le16_to_cpu(cfg.vid)); + +CP2112_CONFIG_ATTR(product_id, ({ + u16 pid; + + if (sscanf(buf, "%hi", &pid) != 1) + return -EINVAL; + + cfg.pid = cpu_to_le16(pid); + cfg.mask = 0x02; +}), "0x%04x\n", le16_to_cpu(cfg.pid)); + +CP2112_CONFIG_ATTR(max_power, ({ + int mA; + + if (sscanf(buf, "%i", &mA) != 1) + return -EINVAL; + + cfg.max_power = (mA + 1) / 2; + cfg.mask = 0x04; +}), "%u mA\n", cfg.max_power * 2); + +CP2112_CONFIG_ATTR(power_mode, ({ + if (sscanf(buf, "%hhi", &cfg.power_mode) != 1) + return -EINVAL; + + cfg.mask = 0x08; +}), "%u\n", cfg.power_mode); + +CP2112_CONFIG_ATTR(release_version, ({ + if (sscanf(buf, "%hhi.%hhi", &cfg.release_major, &cfg.release_minor) + != 2) + return -EINVAL; + + cfg.mask = 0x10; +}), "%u.%u\n", cfg.release_major, cfg.release_minor); + +#undef CP2112_CONFIG_ATTR + +struct cp2112_pstring_attribute { + struct device_attribute attr; + unsigned char report; +}; + +static ssize_t pstr_store(struct device *kdev, + struct device_attribute *kattr, const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(kdev, struct hid_device, dev); + struct cp2112_pstring_attribute *attr = + container_of(kattr, struct cp2112_pstring_attribute, attr); + struct cp2112_string_report report; + int ret; + + memset(&report, 0, sizeof(report)); + + ret = utf8s_to_utf16s(buf, count, UTF16_LITTLE_ENDIAN, + report.string, ARRAY_SIZE(report.string)); + report.report = attr->report; + report.length = ret * sizeof(report.string[0]) + 2; + report.type = USB_DT_STRING; + + ret = cp2112_hid_output(hdev, &report.report, report.length + 1, + HID_FEATURE_REPORT); + if (ret != report.length + 1) { + hid_err(hdev, "error writing %s string: %d\n", kattr->attr.name, + ret); + if (ret < 0) + return ret; + return -EIO; + } + + chmod_sysfs_attrs(hdev); + return count; +} + +static ssize_t pstr_show(struct device *kdev, + struct device_attribute *kattr, char *buf) +{ + struct hid_device *hdev = container_of(kdev, struct hid_device, dev); + struct cp2112_pstring_attribute *attr = + container_of(kattr, struct cp2112_pstring_attribute, attr); + struct cp2112_string_report report; + u8 length; + int ret; + + ret = cp2112_hid_get(hdev, attr->report, &report.report, + sizeof(report) - 1, HID_FEATURE_REPORT); + if (ret < 3) { + hid_err(hdev, "error reading %s string: %d\n", kattr->attr.name, + ret); + if (ret < 0) + return ret; + return -EIO; + } + + if (report.length < 2) { + hid_err(hdev, "invalid %s string length: %d\n", + kattr->attr.name, report.length); + return -EIO; + } + + length = report.length > ret - 1 ? ret - 1 : report.length; + length = (length - 2) / sizeof(report.string[0]); + ret = utf16s_to_utf8s(report.string, length, UTF16_LITTLE_ENDIAN, buf, + PAGE_SIZE - 1); + buf[ret++] = '\n'; + return ret; +} + +#define CP2112_PSTR_ATTR(name, _report) \ +static struct cp2112_pstring_attribute dev_attr_##name = { \ + .attr = __ATTR(name, (S_IWUSR | S_IRUGO), pstr_show, pstr_store), \ + .report = _report, \ +}; + +CP2112_PSTR_ATTR(manufacturer, CP2112_MANUFACTURER_STRING); +CP2112_PSTR_ATTR(product, CP2112_PRODUCT_STRING); +CP2112_PSTR_ATTR(serial, CP2112_SERIAL_STRING); + +#undef CP2112_PSTR_ATTR + +static const struct attribute_group cp2112_attr_group = { + .attrs = (struct attribute *[]){ + &dev_attr_vendor_id.attr, + &dev_attr_product_id.attr, + &dev_attr_max_power.attr, + &dev_attr_power_mode.attr, + &dev_attr_release_version.attr, + &dev_attr_manufacturer.attr.attr, + &dev_attr_product.attr.attr, + &dev_attr_serial.attr.attr, + NULL + } +}; + +/* Chmoding our sysfs attributes is simply a way to expose which fields in the + * PROM have already been programmed. We do not depend on this preventing + * writing to these attributes since the CP2112 will simply ignore writes to + * already-programmed fields. This is why there is no sense in fixing this + * racy behaviour. + */ +static void chmod_sysfs_attrs(struct hid_device *hdev) +{ + struct attribute **attr; + u8 buf[2]; + int ret; + + ret = cp2112_hid_get(hdev, CP2112_LOCK_BYTE, buf, sizeof(buf), + HID_FEATURE_REPORT); + if (ret != sizeof(buf)) { + hid_err(hdev, "error reading lock byte: %d\n", ret); + return; + } + + for (attr = cp2112_attr_group.attrs; *attr; ++attr) { + umode_t mode = (buf[1] & 1) ? S_IWUSR | S_IRUGO : S_IRUGO; + ret = sysfs_chmod_file(&hdev->dev.kobj, *attr, mode); + if (ret < 0) + hid_err(hdev, "error chmoding sysfs file %s\n", + (*attr)->name); + buf[1] >>= 1; + } +} + +static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct cp2112_device *dev; + u8 buf[3]; + struct cp2112_smbus_config_report config; + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); + if (ret) { + hid_err(hdev, "hw start failed\n"); + return ret; + } + + ret = hid_hw_open(hdev); + if (ret) { + hid_err(hdev, "hw open failed\n"); + goto err_hid_stop; + } + + ret = hid_hw_power(hdev, PM_HINT_FULLON); + if (ret < 0) { + hid_err(hdev, "power management error: %d\n", ret); + goto err_hid_close; + } + + ret = cp2112_hid_get(hdev, CP2112_GET_VERSION_INFO, buf, sizeof(buf), + HID_FEATURE_REPORT); + if (ret != sizeof(buf)) { + hid_err(hdev, "error requesting version\n"); + if (ret >= 0) + ret = -EIO; + goto err_power_normal; + } + + hid_info(hdev, "Part Number: 0x%02X Device Version: 0x%02X\n", + buf[1], buf[2]); + + ret = cp2112_hid_get(hdev, CP2112_SMBUS_CONFIG, (u8 *)&config, + sizeof(config), HID_FEATURE_REPORT); + if (ret != sizeof(config)) { + hid_err(hdev, "error requesting SMBus config\n"); + if (ret >= 0) + ret = -EIO; + goto err_power_normal; + } + + config.retry_time = cpu_to_be16(1); + + ret = cp2112_hid_output(hdev, (u8 *)&config, sizeof(config), + HID_FEATURE_REPORT); + if (ret != sizeof(config)) { + hid_err(hdev, "error setting SMBus config\n"); + if (ret >= 0) + ret = -EIO; + goto err_power_normal; + } + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + ret = -ENOMEM; + goto err_power_normal; + } + + hid_set_drvdata(hdev, (void *)dev); + dev->hdev = hdev; + dev->adap.owner = THIS_MODULE; + dev->adap.class = I2C_CLASS_HWMON; + dev->adap.algo = &smbus_algorithm; + dev->adap.algo_data = dev; + dev->adap.dev.parent = &hdev->dev; + snprintf(dev->adap.name, sizeof(dev->adap.name), + "CP2112 SMBus Bridge on hiddev%d", hdev->minor); + init_waitqueue_head(&dev->wait); + + hid_device_io_start(hdev); + ret = i2c_add_adapter(&dev->adap); + hid_device_io_stop(hdev); + + if (ret) { + hid_err(hdev, "error registering i2c adapter\n"); + goto err_free_dev; + } + + hid_dbg(hdev, "adapter registered\n"); + + dev->gc.label = "cp2112_gpio"; + dev->gc.direction_input = cp2112_gpio_direction_input; + dev->gc.direction_output = cp2112_gpio_direction_output; + dev->gc.set = cp2112_gpio_set; + dev->gc.get = cp2112_gpio_get; + dev->gc.base = -1; + dev->gc.ngpio = 8; + dev->gc.can_sleep = 1; + dev->gc.dev = &hdev->dev; + + ret = gpiochip_add(&dev->gc); + if (ret < 0) { + hid_err(hdev, "error registering gpio chip\n"); + goto err_free_i2c; + } + + ret = sysfs_create_group(&hdev->dev.kobj, &cp2112_attr_group); + if (ret < 0) { + hid_err(hdev, "error creating sysfs attrs\n"); + goto err_gpiochip_remove; + } + + chmod_sysfs_attrs(hdev); + hid_hw_power(hdev, PM_HINT_NORMAL); + + return ret; + +err_gpiochip_remove: + if (gpiochip_remove(&dev->gc) < 0) + hid_err(hdev, "error removing gpio chip\n"); +err_free_i2c: + i2c_del_adapter(&dev->adap); +err_free_dev: + kfree(dev); +err_power_normal: + hid_hw_power(hdev, PM_HINT_NORMAL); +err_hid_close: + hid_hw_close(hdev); +err_hid_stop: + hid_hw_stop(hdev); + return ret; +} + +static void cp2112_remove(struct hid_device *hdev) +{ + struct cp2112_device *dev = hid_get_drvdata(hdev); + + sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group); + if (gpiochip_remove(&dev->gc)) + hid_err(hdev, "unable to remove gpio chip\n"); + i2c_del_adapter(&dev->adap); + /* i2c_del_adapter has finished removing all i2c devices from our + * adapter. Well behaved devices should no longer call our cp2112_xfer + * and should have waited for any pending calls to finish. It has also + * waited for device_unregister(&adap->dev) to complete. Therefore we + * can safely free our struct cp2112_device. + */ + hid_hw_close(hdev); + hid_hw_stop(hdev); + kfree(dev); +} + +static int cp2112_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size) +{ + struct cp2112_device *dev = hid_get_drvdata(hdev); + struct cp2112_xfer_status_report *xfer = (void *)data; + + switch (data[0]) { + case CP2112_TRANSFER_STATUS_RESPONSE: + hid_dbg(hdev, "xfer status: %02x %02x %04x %04x\n", + xfer->status0, xfer->status1, + be16_to_cpu(xfer->retries), be16_to_cpu(xfer->length)); + + switch (xfer->status0) { + case STATUS0_IDLE: + dev->xfer_status = -EAGAIN; + break; + case STATUS0_BUSY: + dev->xfer_status = -EBUSY; + break; + case STATUS0_COMPLETE: + dev->xfer_status = be16_to_cpu(xfer->length); + break; + case STATUS0_ERROR: + switch (xfer->status1) { + case STATUS1_TIMEOUT_NACK: + case STATUS1_TIMEOUT_BUS: + dev->xfer_status = -ETIMEDOUT; + break; + default: + dev->xfer_status = -EIO; + break; + } + break; + default: + dev->xfer_status = -EINVAL; + break; + } + + atomic_set(&dev->xfer_avail, 1); + break; + case CP2112_DATA_READ_RESPONSE: + hid_dbg(hdev, "read response: %02x %02x\n", data[1], data[2]); + + dev->read_length = data[2]; + if (dev->read_length > sizeof(dev->read_data)) + dev->read_length = sizeof(dev->read_data); + + memcpy(dev->read_data, &data[3], dev->read_length); + atomic_set(&dev->read_avail, 1); + break; + default: + hid_err(hdev, "unknown report\n"); + + return 0; + } + + wake_up_interruptible(&dev->wait); + return 1; +} + +static struct hid_driver cp2112_driver = { + .name = "cp2112", + .id_table = cp2112_devices, + .probe = cp2112_probe, + .remove = cp2112_remove, + .raw_event = cp2112_raw_event, +}; + +module_hid_driver(cp2112_driver); +MODULE_DESCRIPTION("Silicon Labs HID USB to SMBus master bridge"); +MODULE_AUTHOR("David Barksdale <dbarksdale@uplogix.com>"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c index 4cd0e234599..c4ef3bc726e 100644 --- a/drivers/hid/hid-cypress.c +++ b/drivers/hid/hid-cypress.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -107,13 +106,13 @@ static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } @@ -129,6 +128,8 @@ static const struct hid_device_id cp_devices[] = { .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3), .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4), + .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE), .driver_data = CP_2WHEEL_MOUSE_HACK }, { } @@ -143,17 +144,6 @@ static struct hid_driver cp_driver = { .event = cp_event, .probe = cp_probe, }; +module_hid_driver(cp_driver); -static int __init cp_init(void) -{ - return hid_register_driver(&cp_driver); -} - -static void __exit cp_exit(void) -{ - hid_unregister_driver(&cp_driver); -} - -module_init(cp_init); -module_exit(cp_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 75c5e23d09d..84c3cb15ccd 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -26,9 +26,12 @@ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/sched.h> +#include <linux/export.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/poll.h> @@ -111,6 +114,14 @@ static const struct hid_usage_entry hid_usage_table[] = { {0, 0xbd, "FlareRelease"}, {0, 0xbe, "LandingGear"}, {0, 0xbf, "ToeBrake"}, + { 6, 0, "GenericDeviceControls" }, + {0, 0x20, "BatteryStrength" }, + {0, 0x21, "WirelessChannel" }, + {0, 0x22, "WirelessID" }, + {0, 0x23, "DiscoverWirelessControl" }, + {0, 0x24, "SecurityCodeCharacterEntered" }, + {0, 0x25, "SecurityCodeCharactedErased" }, + {0, 0x26, "SecurityCodeCleared" }, { 7, 0, "Keyboard" }, { 8, 0, "LED" }, {0, 0x01, "NumLock"}, @@ -154,6 +165,8 @@ static const struct hid_usage_entry hid_usage_table[] = { {0, 0x53, "DeviceIndex"}, {0, 0x54, "ContactCount"}, {0, 0x55, "ContactMaximumNumber"}, + {0, 0x5A, "SecondaryBarrelSwitch"}, + {0, 0x5B, "TransducerSerialNumber"}, { 15, 0, "PhysicalInterfaceDevice" }, {0, 0x00, "Undefined"}, {0, 0x01, "Physical_Interface_Device"}, @@ -261,6 +274,85 @@ static const struct hid_usage_entry hid_usage_table[] = { {0, 0xAA, "Shared_Parameter_Blocks"}, {0, 0xAB, "Create_New_Effect_Report"}, {0, 0xAC, "RAM_Pool_Available"}, + { 0x20, 0, "Sensor" }, + { 0x20, 0x01, "Sensor" }, + { 0x20, 0x10, "Biometric" }, + { 0x20, 0x11, "BiometricHumanPresence" }, + { 0x20, 0x12, "BiometricHumanProximity" }, + { 0x20, 0x13, "BiometricHumanTouch" }, + { 0x20, 0x20, "Electrical" }, + { 0x20, 0x21, "ElectricalCapacitance" }, + { 0x20, 0x22, "ElectricalCurrent" }, + { 0x20, 0x23, "ElectricalPower" }, + { 0x20, 0x24, "ElectricalInductance" }, + { 0x20, 0x25, "ElectricalResistance" }, + { 0x20, 0x26, "ElectricalVoltage" }, + { 0x20, 0x27, "ElectricalPoteniometer" }, + { 0x20, 0x28, "ElectricalFrequency" }, + { 0x20, 0x29, "ElectricalPeriod" }, + { 0x20, 0x30, "Environmental" }, + { 0x20, 0x31, "EnvironmentalAtmosphericPressure" }, + { 0x20, 0x32, "EnvironmentalHumidity" }, + { 0x20, 0x33, "EnvironmentalTemperature" }, + { 0x20, 0x34, "EnvironmentalWindDirection" }, + { 0x20, 0x35, "EnvironmentalWindSpeed" }, + { 0x20, 0x40, "Light" }, + { 0x20, 0x41, "LightAmbientLight" }, + { 0x20, 0x42, "LightConsumerInfrared" }, + { 0x20, 0x50, "Location" }, + { 0x20, 0x51, "LocationBroadcast" }, + { 0x20, 0x52, "LocationDeadReckoning" }, + { 0x20, 0x53, "LocationGPS" }, + { 0x20, 0x54, "LocationLookup" }, + { 0x20, 0x55, "LocationOther" }, + { 0x20, 0x56, "LocationStatic" }, + { 0x20, 0x57, "LocationTriangulation" }, + { 0x20, 0x60, "Mechanical" }, + { 0x20, 0x61, "MechanicalBooleanSwitch" }, + { 0x20, 0x62, "MechanicalBooleanSwitchArray" }, + { 0x20, 0x63, "MechanicalMultivalueSwitch" }, + { 0x20, 0x64, "MechanicalForce" }, + { 0x20, 0x65, "MechanicalPressure" }, + { 0x20, 0x66, "MechanicalStrain" }, + { 0x20, 0x67, "MechanicalWeight" }, + { 0x20, 0x68, "MechanicalHapticVibrator" }, + { 0x20, 0x69, "MechanicalHallEffectSwitch" }, + { 0x20, 0x70, "Motion" }, + { 0x20, 0x71, "MotionAccelerometer1D" }, + { 0x20, 0x72, "MotionAccelerometer2D" }, + { 0x20, 0x73, "MotionAccelerometer3D" }, + { 0x20, 0x74, "MotionGyrometer1D" }, + { 0x20, 0x75, "MotionGyrometer2D" }, + { 0x20, 0x76, "MotionGyrometer3D" }, + { 0x20, 0x77, "MotionMotionDetector" }, + { 0x20, 0x78, "MotionSpeedometer" }, + { 0x20, 0x79, "MotionAccelerometer" }, + { 0x20, 0x7A, "MotionGyrometer" }, + { 0x20, 0x80, "Orientation" }, + { 0x20, 0x81, "OrientationCompass1D" }, + { 0x20, 0x82, "OrientationCompass2D" }, + { 0x20, 0x83, "OrientationCompass3D" }, + { 0x20, 0x84, "OrientationInclinometer1D" }, + { 0x20, 0x85, "OrientationInclinometer2D" }, + { 0x20, 0x86, "OrientationInclinometer3D" }, + { 0x20, 0x87, "OrientationDistance1D" }, + { 0x20, 0x88, "OrientationDistance2D" }, + { 0x20, 0x89, "OrientationDistance3D" }, + { 0x20, 0x8A, "OrientationDeviceOrientation" }, + { 0x20, 0x8B, "OrientationCompass" }, + { 0x20, 0x8C, "OrientationInclinometer" }, + { 0x20, 0x8D, "OrientationDistance" }, + { 0x20, 0x90, "Scanner" }, + { 0x20, 0x91, "ScannerBarcode" }, + { 0x20, 0x91, "ScannerRFID" }, + { 0x20, 0x91, "ScannerNFC" }, + { 0x20, 0xA0, "Time" }, + { 0x20, 0xA1, "TimeAlarmTimer" }, + { 0x20, 0xA2, "TimeRealTimeClock" }, + { 0x20, 0xE0, "Other" }, + { 0x20, 0xE1, "OtherCustom" }, + { 0x20, 0xE2, "OtherGeneric" }, + { 0x20, 0xE3, "OtherGenericEnumerator" }, { 0x84, 0, "Power Device" }, { 0x84, 0x02, "PresentStatus" }, { 0x84, 0x03, "ChangeStatus" }, @@ -339,7 +431,7 @@ static const struct hid_usage_entry hid_usage_table[] = { { 0x85, 0x83, "DesignCapacity" }, { 0x85, 0x85, "ManufacturerDate" }, { 0x85, 0x89, "iDeviceChemistry" }, - { 0x85, 0x8b, "Rechargable" }, + { 0x85, 0x8b, "Rechargeable" }, { 0x85, 0x8f, "iOEMInformation" }, { 0x85, 0x8d, "CapacityGranularity1" }, { 0x85, 0xd0, "ACPresent" }, @@ -393,7 +485,7 @@ char *hid_resolv_usage(unsigned usage, struct seq_file *f) { buf = resolv_usage_page(usage >> 16, f); if (IS_ERR(buf)) { - printk(KERN_ERR "error allocating HID debug buffer\n"); + pr_err("error allocating HID debug buffer\n"); return NULL; } @@ -448,6 +540,11 @@ void hid_dump_field(struct hid_field *field, int n, struct seq_file *f) { seq_printf(f, "Logical("); hid_resolv_usage(field->logical, f); seq_printf(f, ")\n"); } + if (field->application) { + tab(n, f); + seq_printf(f, "Application("); + hid_resolv_usage(field->application, f); seq_printf(f, ")\n"); + } tab(n, f); seq_printf(f, "Usage(%d)\n", field->maxusage); for (j = 0; j < field->maxusage; j++) { tab(n+2, f); hid_resolv_usage(field->usage[j].hid, f); seq_printf(f, "\n"); @@ -563,18 +660,51 @@ void hid_debug_event(struct hid_device *hdev, char *buf) { int i; struct hid_debug_list *list; + unsigned long flags; + spin_lock_irqsave(&hdev->debug_list_lock, flags); list_for_each_entry(list, &hdev->debug_list, node) { for (i = 0; i < strlen(buf); i++) list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] = buf[i]; list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE; } + spin_unlock_irqrestore(&hdev->debug_list_lock, flags); wake_up_interruptible(&hdev->debug_wait); } EXPORT_SYMBOL_GPL(hid_debug_event); +void hid_dump_report(struct hid_device *hid, int type, u8 *data, + int size) +{ + struct hid_report_enum *report_enum; + char *buf; + unsigned int i; + + buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); + + if (!buf) + return; + + report_enum = hid->report_enum + type; + + /* dump the report */ + snprintf(buf, HID_DEBUG_BUFSIZE - 1, + "\nreport (size %u) (%snumbered) = ", size, + report_enum->numbered ? "" : "un"); + hid_debug_event(hid, buf); + + for (i = 0; i < size; i++) { + snprintf(buf, HID_DEBUG_BUFSIZE - 1, + " %02x", data[i]); + hid_debug_event(hid, buf); + } + hid_debug_event(hid, "\n"); + kfree(buf); +} +EXPORT_SYMBOL_GPL(hid_dump_report); + void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 value) { char *buf; @@ -719,6 +849,8 @@ static const char *keys[KEY_MAX + 1] = { [KEY_ALTERASE] = "AlternateErase", [KEY_CANCEL] = "Cancel", [KEY_BRIGHTNESSDOWN] = "BrightnessDown", [KEY_BRIGHTNESSUP] = "BrightnessUp", [KEY_MEDIA] = "Media", [KEY_UNKNOWN] = "Unknown", + [BTN_DPAD_UP] = "BtnDPadUp", [BTN_DPAD_DOWN] = "BtnDPadDown", + [BTN_DPAD_LEFT] = "BtnDPadLeft", [BTN_DPAD_RIGHT] = "BtnDPadRight", [BTN_0] = "Btn0", [BTN_1] = "Btn1", [BTN_2] = "Btn2", [BTN_3] = "Btn3", [BTN_4] = "Btn4", [BTN_5] = "Btn5", @@ -748,7 +880,8 @@ static const char *keys[KEY_MAX + 1] = { [BTN_TOOL_MOUSE] = "ToolMouse", [BTN_TOOL_LENS] = "ToolLens", [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus", [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "ToolDoubleTap", - [BTN_TOOL_TRIPLETAP] = "ToolTripleTap", [BTN_GEAR_DOWN] = "WheelBtn", + [BTN_TOOL_TRIPLETAP] = "ToolTripleTap", [BTN_TOOL_QUADTAP] = "ToolQuadrupleTap", + [BTN_GEAR_DOWN] = "WheelBtn", [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok", [KEY_SELECT] = "Select", [KEY_GOTO] = "Goto", [KEY_CLEAR] = "Clear", [KEY_POWER2] = "Power2", @@ -803,6 +936,16 @@ static const char *keys[KEY_MAX + 1] = { [KEY_KBDILLUMDOWN] = "KbdIlluminationDown", [KEY_KBDILLUMUP] = "KbdIlluminationUp", [KEY_SWITCHVIDEOMODE] = "SwitchVideoMode", + [KEY_BUTTONCONFIG] = "ButtonConfig", + [KEY_TASKMANAGER] = "TaskManager", + [KEY_JOURNAL] = "Journal", + [KEY_CONTROLPANEL] = "ControlPanel", + [KEY_APPSELECT] = "AppSelect", + [KEY_SCREENSAVER] = "ScreenSaver", + [KEY_VOICECOMMAND] = "VoiceCommand", + [KEY_BRIGHTNESS_MIN] = "BrightnessMin", + [KEY_BRIGHTNESS_MAX] = "BrightnessMax", + [KEY_BRIGHTNESS_AUTO] = "BrightnessAuto", }; static const char *relatives[REL_MAX + 1] = { @@ -895,15 +1038,21 @@ static void hid_dump_input_mapping(struct hid_device *hid, struct seq_file *f) } - static int hid_debug_rdesc_show(struct seq_file *f, void *p) { struct hid_device *hdev = f->private; + const __u8 *rdesc = hdev->rdesc; + unsigned rsize = hdev->rsize; int i; + if (!rdesc) { + rdesc = hdev->dev_rdesc; + rsize = hdev->dev_rsize; + } + /* dump HID report descriptor */ - for (i = 0; i < hdev->rsize; i++) - seq_printf(f, "%02x ", hdev->rdesc[i]); + for (i = 0; i < rsize; i++) + seq_printf(f, "%02x ", rdesc[i]); seq_printf(f, "\n\n"); /* dump parsed data and input mappings */ @@ -923,6 +1072,7 @@ static int hid_debug_events_open(struct inode *inode, struct file *file) { int err = 0; struct hid_debug_list *list; + unsigned long flags; if (!(list = kzalloc(sizeof(struct hid_debug_list), GFP_KERNEL))) { err = -ENOMEM; @@ -938,7 +1088,9 @@ static int hid_debug_events_open(struct inode *inode, struct file *file) file->private_data = list; mutex_init(&list->read_mutex); + spin_lock_irqsave(&list->hdev->debug_list_lock, flags); list_add_tail(&list->node, &list->hdev->debug_list); + spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags); out: return err; @@ -1032,8 +1184,11 @@ static unsigned int hid_debug_events_poll(struct file *file, poll_table *wait) static int hid_debug_events_release(struct inode *inode, struct file *file) { struct hid_debug_list *list = file->private_data; + unsigned long flags; + spin_lock_irqsave(&list->hdev->debug_list_lock, flags); list_del(&list->node); + spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags); kfree(list->hid_debug_buf); kfree(list); diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c new file mode 100644 index 00000000000..ce0644424f5 --- /dev/null +++ b/drivers/hid/hid-dr.c @@ -0,0 +1,300 @@ +/* + * Force feedback support for DragonRise Inc. game controllers + * + * From what I have gathered, these devices are mass produced in China and are + * distributed under several vendors. They often share the same design as + * the original PlayStation DualShock controller. + * + * 0079:0006 "DragonRise Inc. Generic USB Joystick " + * - tested with a Tesun USB-703 game controller. + * + * Copyright (c) 2009 Richard Walmsley <richwalm@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/input.h> +#include <linux/slab.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#ifdef CONFIG_DRAGONRISE_FF + +struct drff_device { + struct hid_report *report; +}; + +static int drff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct drff_device *drff = data; + int strong, weak; + + strong = effect->u.rumble.strong_magnitude; + weak = effect->u.rumble.weak_magnitude; + + dbg_hid("called with 0x%04x 0x%04x", strong, weak); + + if (strong || weak) { + strong = strong * 0xff / 0xffff; + weak = weak * 0xff / 0xffff; + + /* While reverse engineering this device, I found that when + this value is set, it causes the strong rumble to function + at a near maximum speed, so we'll bypass it. */ + if (weak == 0x0a) + weak = 0x0b; + + drff->report->field[0]->value[0] = 0x51; + drff->report->field[0]->value[1] = 0x00; + drff->report->field[0]->value[2] = weak; + drff->report->field[0]->value[4] = strong; + hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT); + + drff->report->field[0]->value[0] = 0xfa; + drff->report->field[0]->value[1] = 0xfe; + } else { + drff->report->field[0]->value[0] = 0xf3; + drff->report->field[0]->value[1] = 0x00; + } + + drff->report->field[0]->value[2] = 0x00; + drff->report->field[0]->value[4] = 0x00; + dbg_hid("running with 0x%02x 0x%02x", strong, weak); + hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT); + + return 0; +} + +static int drff_init(struct hid_device *hid) +{ + struct drff_device *drff; + struct hid_report *report; + struct hid_input *hidinput = list_first_entry(&hid->inputs, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + hid_err(hid, "no output reports found\n"); + return -ENODEV; + } + + report = list_first_entry(report_list, struct hid_report, list); + if (report->maxfield < 1) { + hid_err(hid, "no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 7) { + hid_err(hid, "not enough values in the field\n"); + return -ENODEV; + } + + drff = kzalloc(sizeof(struct drff_device), GFP_KERNEL); + if (!drff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, drff, drff_play); + if (error) { + kfree(drff); + return error; + } + + drff->report = report; + drff->report->field[0]->value[0] = 0xf3; + drff->report->field[0]->value[1] = 0x00; + drff->report->field[0]->value[2] = 0x00; + drff->report->field[0]->value[3] = 0x00; + drff->report->field[0]->value[4] = 0x00; + drff->report->field[0]->value[5] = 0x00; + drff->report->field[0]->value[6] = 0x00; + hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT); + + hid_info(hid, "Force Feedback for DragonRise Inc. " + "game controllers by Richard Walmsley <richwalm@gmail.com>\n"); + + return 0; +} +#else +static inline int drff_init(struct hid_device *hid) +{ + return 0; +} +#endif + +/* + * The original descriptor of joystick with PID 0x0011, represented by DVTech PC + * JS19. It seems both copied from another device and a result of confusion + * either about the specification or about the program used to create the + * descriptor. In any case, it's a wonder it works on Windows. + * + * Usage Page (Desktop), ; Generic desktop controls (01h) + * Usage (Joystik), ; Joystik (04h, application collection) + * Collection (Application), + * Collection (Logical), + * Report Size (8), + * Report Count (5), + * Logical Minimum (0), + * Logical Maximum (255), + * Physical Minimum (0), + * Physical Maximum (255), + * Usage (X), ; X (30h, dynamic value) + * Usage (X), ; X (30h, dynamic value) + * Usage (X), ; X (30h, dynamic value) + * Usage (X), ; X (30h, dynamic value) + * Usage (Y), ; Y (31h, dynamic value) + * Input (Variable), + * Report Size (4), + * Report Count (1), + * Logical Maximum (7), + * Physical Maximum (315), + * Unit (Degrees), + * Usage (00h), + * Input (Variable, Null State), + * Unit, + * Report Size (1), + * Report Count (10), + * Logical Maximum (1), + * Physical Maximum (1), + * Usage Page (Button), ; Button (09h) + * Usage Minimum (01h), + * Usage Maximum (0Ah), + * Input (Variable), + * Usage Page (FF00h), ; FF00h, vendor-defined + * Report Size (1), + * Report Count (10), + * Logical Maximum (1), + * Physical Maximum (1), + * Usage (01h), + * Input (Variable), + * End Collection, + * Collection (Logical), + * Report Size (8), + * Report Count (4), + * Physical Maximum (255), + * Logical Maximum (255), + * Usage (02h), + * Output (Variable), + * End Collection, + * End Collection + */ + +/* Size of the original descriptor of the PID 0x0011 joystick */ +#define PID0011_RDESC_ORIG_SIZE 101 + +/* Fixed report descriptor for PID 0x011 joystick */ +static __u8 pid0011_rdesc_fixed[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x04, /* Usage (Joystik), */ + 0xA1, 0x01, /* Collection (Application), */ + 0xA1, 0x02, /* Collection (Logical), */ + 0x14, /* Logical Minimum (0), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x01, /* Input (Constant), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x95, 0x02, /* Report Count (2), */ + 0x09, 0x30, /* Usage (X), */ + 0x09, 0x31, /* Usage (Y), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x01, /* Input (Constant), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x0A, /* Report Count (10), */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x0A, /* Usage Maximum (0Ah), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x0A, /* Report Count (10), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + switch (hdev->product) { + case 0x0011: + if (*rsize == PID0011_RDESC_ORIG_SIZE) { + rdesc = pid0011_rdesc_fixed; + *rsize = sizeof(pid0011_rdesc_fixed); + } + break; + } + return rdesc; +} + +static int dr_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + dev_dbg(&hdev->dev, "DragonRise Inc. HID hardware probe..."); + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err; + } + + switch (hdev->product) { + case 0x0006: + ret = drff_init(hdev); + if (ret) { + dev_err(&hdev->dev, "force feedback init failed\n"); + hid_hw_stop(hdev); + goto err; + } + break; + } + + return 0; +err: + return ret; +} + +static const struct hid_device_id dr_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006), }, + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011), }, + { } +}; +MODULE_DEVICE_TABLE(hid, dr_devices); + +static struct hid_driver dr_driver = { + .name = "dragonrise", + .id_table = dr_devices, + .report_fixup = dr_report_fixup, + .probe = dr_probe, +}; +module_hid_driver(dr_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-drff.c b/drivers/hid/hid-drff.c deleted file mode 100644 index 968b04f9b79..00000000000 --- a/drivers/hid/hid-drff.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Force feedback support for DragonRise Inc. game controllers - * - * From what I have gathered, these devices are mass produced in China and are - * distributed under several vendors. They often share the same design as - * the original PlayStation DualShock controller. - * - * 0079:0006 "DragonRise Inc. Generic USB Joystick " - * - tested with a Tesun USB-703 game controller. - * - * Copyright (c) 2009 Richard Walmsley <richwalm@gmail.com> - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/input.h> -#include <linux/slab.h> -#include <linux/usb.h> -#include <linux/hid.h> - -#include "hid-ids.h" - -#ifdef CONFIG_DRAGONRISE_FF -#include "usbhid/usbhid.h" - -struct drff_device { - struct hid_report *report; -}; - -static int drff_play(struct input_dev *dev, void *data, - struct ff_effect *effect) -{ - struct hid_device *hid = input_get_drvdata(dev); - struct drff_device *drff = data; - int strong, weak; - - strong = effect->u.rumble.strong_magnitude; - weak = effect->u.rumble.weak_magnitude; - - dbg_hid("called with 0x%04x 0x%04x", strong, weak); - - if (strong || weak) { - strong = strong * 0xff / 0xffff; - weak = weak * 0xff / 0xffff; - - /* While reverse engineering this device, I found that when - this value is set, it causes the strong rumble to function - at a near maximum speed, so we'll bypass it. */ - if (weak == 0x0a) - weak = 0x0b; - - drff->report->field[0]->value[0] = 0x51; - drff->report->field[0]->value[1] = 0x00; - drff->report->field[0]->value[2] = weak; - drff->report->field[0]->value[4] = strong; - usbhid_submit_report(hid, drff->report, USB_DIR_OUT); - - drff->report->field[0]->value[0] = 0xfa; - drff->report->field[0]->value[1] = 0xfe; - } else { - drff->report->field[0]->value[0] = 0xf3; - drff->report->field[0]->value[1] = 0x00; - } - - drff->report->field[0]->value[2] = 0x00; - drff->report->field[0]->value[4] = 0x00; - dbg_hid("running with 0x%02x 0x%02x", strong, weak); - usbhid_submit_report(hid, drff->report, USB_DIR_OUT); - - return 0; -} - -static int drff_init(struct hid_device *hid) -{ - struct drff_device *drff; - struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, - struct hid_input, list); - struct list_head *report_list = - &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; - int error; - - if (list_empty(report_list)) { - dev_err(&hid->dev, "no output reports found\n"); - return -ENODEV; - } - - report = list_first_entry(report_list, struct hid_report, list); - if (report->maxfield < 1) { - dev_err(&hid->dev, "no fields in the report\n"); - return -ENODEV; - } - - if (report->field[0]->report_count < 7) { - dev_err(&hid->dev, "not enough values in the field\n"); - return -ENODEV; - } - - drff = kzalloc(sizeof(struct drff_device), GFP_KERNEL); - if (!drff) - return -ENOMEM; - - set_bit(FF_RUMBLE, dev->ffbit); - - error = input_ff_create_memless(dev, drff, drff_play); - if (error) { - kfree(drff); - return error; - } - - drff->report = report; - drff->report->field[0]->value[0] = 0xf3; - drff->report->field[0]->value[1] = 0x00; - drff->report->field[0]->value[2] = 0x00; - drff->report->field[0]->value[3] = 0x00; - drff->report->field[0]->value[4] = 0x00; - drff->report->field[0]->value[5] = 0x00; - drff->report->field[0]->value[6] = 0x00; - usbhid_submit_report(hid, drff->report, USB_DIR_OUT); - - dev_info(&hid->dev, "Force Feedback for DragonRise Inc. game " - "controllers by Richard Walmsley <richwalm@gmail.com>\n"); - - return 0; -} -#else -static inline int drff_init(struct hid_device *hid) -{ - return 0; -} -#endif - -static int dr_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - dev_dbg(&hdev->dev, "DragonRise Inc. HID hardware probe..."); - - ret = hid_parse(hdev); - if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); - if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err; - } - - drff_init(hdev); - - return 0; -err: - return ret; -} - -static const struct hid_device_id dr_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006), }, - { } -}; -MODULE_DEVICE_TABLE(hid, dr_devices); - -static struct hid_driver dr_driver = { - .name = "dragonrise", - .id_table = dr_devices, - .probe = dr_probe, -}; - -static int __init dr_init(void) -{ - return hid_register_driver(&dr_driver); -} - -static void __exit dr_exit(void) -{ - hid_unregister_driver(&dr_driver); -} - -module_init(dr_init); -module_exit(dr_exit); -MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c deleted file mode 100644 index 54b017ad258..00000000000 --- a/drivers/hid/hid-egalax.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * HID driver for eGalax dual-touch panels - * - * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/slab.h> -#include "usbhid/usbhid.h" - -MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); -MODULE_DESCRIPTION("eGalax dual-touch panel"); -MODULE_LICENSE("GPL"); - -#include "hid-ids.h" - -struct egalax_data { - __u16 x, y, z; - __u8 id; - bool first; /* is this the first finger in the frame? */ - bool valid; /* valid finger data, or just placeholder? */ - bool activity; /* at least one active finger previously? */ - __u16 lastx, lasty, lastz; /* latest valid (x, y, z) in the frame */ -}; - -static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_GENDESK: - switch (usage->hid) { - case HID_GD_X: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_X); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_X, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - case HID_GD_Y: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_Y); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_Y, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - } - return 0; - - case HID_UP_DIGITIZER: - switch (usage->hid) { - case HID_DG_TIPSWITCH: - /* touchscreen emulation */ - hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); - return 1; - case HID_DG_INRANGE: - case HID_DG_CONFIDENCE: - case HID_DG_CONTACTCOUNT: - case HID_DG_CONTACTMAX: - return -1; - case HID_DG_CONTACTID: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TRACKING_ID); - return 1; - case HID_DG_TIPPRESSURE: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_PRESSURE); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_PRESSURE, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - } - return 0; - } - - /* ignore others (from other reports we won't get anyway) */ - return -1; -} - -static int egalax_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - if (usage->type == EV_KEY || usage->type == EV_ABS) - clear_bit(usage->code, *bit); - - return 0; -} - -/* - * this function is called when a whole finger has been parsed, - * so that it can decide what to send to the input layer. - */ -static void egalax_filter_event(struct egalax_data *td, struct input_dev *input) -{ - td->first = !td->first; /* touchscreen emulation */ - - if (td->valid) { - /* emit multitouch events */ - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id); - input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x >> 3); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y >> 3); - input_event(input, EV_ABS, ABS_MT_PRESSURE, td->z); - - input_mt_sync(input); - - /* - * touchscreen emulation: store (x, y) as - * the last valid values in this frame - */ - td->lastx = td->x; - td->lasty = td->y; - td->lastz = td->z; - } - - /* - * touchscreen emulation: if this is the second finger and at least - * one in this frame is valid, the latest valid in the frame is - * the oldest on the panel, the one we want for single touch - */ - if (!td->first && td->activity) { - input_event(input, EV_ABS, ABS_X, td->lastx >> 3); - input_event(input, EV_ABS, ABS_Y, td->lasty >> 3); - input_event(input, EV_ABS, ABS_PRESSURE, td->lastz); - } - - if (!td->valid) { - /* - * touchscreen emulation: if the first finger is invalid - * and there previously was finger activity, this is a release - */ - if (td->first && td->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 0); - td->activity = false; - } - return; - } - - - /* touchscreen emulation: if no previous activity, emit touch event */ - if (!td->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 1); - td->activity = true; - } -} - - -static int egalax_event(struct hid_device *hid, struct hid_field *field, - struct hid_usage *usage, __s32 value) -{ - struct egalax_data *td = hid_get_drvdata(hid); - - /* Note, eGalax has two product lines: the first is resistive and - * uses a standard parallel multitouch protocol (product ID == - * 48xx). The second is capacitive and uses an unusual "serial" - * protocol with a different message for each multitouch finger - * (product ID == 72xx). We do not yet generate a correct event - * sequence for the capacitive/serial protocol. - */ - if (hid->claimed & HID_CLAIMED_INPUT) { - struct input_dev *input = field->hidinput->input; - - switch (usage->hid) { - case HID_DG_INRANGE: - case HID_DG_CONFIDENCE: - /* avoid interference from generic hidinput handling */ - break; - case HID_DG_TIPSWITCH: - td->valid = value; - break; - case HID_DG_TIPPRESSURE: - td->z = value; - break; - case HID_DG_CONTACTID: - td->id = value; - break; - case HID_GD_X: - td->x = value; - break; - case HID_GD_Y: - td->y = value; - /* this is the last field in a finger */ - egalax_filter_event(td, input); - break; - case HID_DG_CONTACTCOUNT: - /* touch emulation: this is the last field in a frame */ - td->first = false; - break; - - default: - /* fallback to the generic hidinput handling */ - return 0; - } - } - - /* we have handled the hidinput part, now remains hiddev */ - if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) - hid->hiddev_hid_event(hid, field, usage, value); - - return 1; -} - -static int egalax_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - struct egalax_data *td; - struct hid_report *report; - - td = kmalloc(sizeof(struct egalax_data), GFP_KERNEL); - if (!td) { - dev_err(&hdev->dev, "cannot allocate eGalax data\n"); - return -ENOMEM; - } - hid_set_drvdata(hdev, td); - - ret = hid_parse(hdev); - if (ret) - goto end; - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) - goto end; - - report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[5]; - if (report) { - report->field[0]->value[0] = 2; - usbhid_submit_report(hdev, report, USB_DIR_OUT); - } - -end: - if (ret) - kfree(td); - - return ret; -} - -static void egalax_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); - hid_set_drvdata(hdev, NULL); -} - -static const struct hid_device_id egalax_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, - USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, - USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) }, - { } -}; -MODULE_DEVICE_TABLE(hid, egalax_devices); - -static const struct hid_usage_id egalax_grabbed_usages[] = { - { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, - { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} -}; - -static struct hid_driver egalax_driver = { - .name = "egalax-touch", - .id_table = egalax_devices, - .probe = egalax_probe, - .remove = egalax_remove, - .input_mapping = egalax_input_mapping, - .input_mapped = egalax_input_mapped, - .usage_table = egalax_grabbed_usages, - .event = egalax_event, -}; - -static int __init egalax_init(void) -{ - return hid_register_driver(&egalax_driver); -} - -static void __exit egalax_exit(void) -{ - hid_unregister_driver(&egalax_driver); -} - -module_init(egalax_init); -module_exit(egalax_exit); - diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c index 6e31f305397..d0bd13b62dc 100644 --- a/drivers/hid/hid-elecom.c +++ b/drivers/hid/hid-elecom.c @@ -24,8 +24,7 @@ static __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { if (*rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) { - dev_info(&hdev->dev, "Fixing up Elecom BM084 " - "report descriptor.\n"); + hid_info(hdev, "Fixing up Elecom BM084 report descriptor\n"); rdesc[47] = 0x00; } return rdesc; @@ -42,17 +41,6 @@ static struct hid_driver elecom_driver = { .id_table = elecom_devices, .report_fixup = elecom_report_fixup }; +module_hid_driver(elecom_driver); -static int __init elecom_init(void) -{ - return hid_register_driver(&elecom_driver); -} - -static void __exit elecom_exit(void) -{ - hid_unregister_driver(&elecom_driver); -} - -module_init(elecom_init); -module_exit(elecom_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c new file mode 100644 index 00000000000..4e49462870a --- /dev/null +++ b/drivers/hid/hid-elo.c @@ -0,0 +1,306 @@ +/* + * HID driver for ELO usb touchscreen 4000/4500 + * + * Copyright (c) 2013 Jiri Slaby + * + * Data parsing taken from elousb driver by Vojtech Pavlik. + * + * This driver is licensed under the terms of GPLv2. + */ + +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/workqueue.h> + +#include "hid-ids.h" + +#define ELO_PERIODIC_READ_INTERVAL HZ +#define ELO_SMARTSET_CMD_TIMEOUT 2000 /* msec */ + +/* Elo SmartSet commands */ +#define ELO_FLUSH_SMARTSET_RESPONSES 0x02 /* Flush all pending smartset responses */ +#define ELO_SEND_SMARTSET_COMMAND 0x05 /* Send a smartset command */ +#define ELO_GET_SMARTSET_RESPONSE 0x06 /* Get a smartset response */ +#define ELO_DIAG 0x64 /* Diagnostics command */ +#define ELO_SMARTSET_PACKET_SIZE 8 + +struct elo_priv { + struct usb_device *usbdev; + struct delayed_work work; + unsigned char buffer[ELO_SMARTSET_PACKET_SIZE]; +}; + +static struct workqueue_struct *wq; +static bool use_fw_quirk = true; +module_param(use_fw_quirk, bool, S_IRUGO); +MODULE_PARM_DESC(use_fw_quirk, "Do periodic pokes for broken M firmwares (default = true)"); + +static void elo_input_configured(struct hid_device *hdev, + struct hid_input *hidinput) +{ + struct input_dev *input = hidinput->input; + + set_bit(BTN_TOUCH, input->keybit); + set_bit(ABS_PRESSURE, input->absbit); + input_set_abs_params(input, ABS_PRESSURE, 0, 256, 0, 0); +} + +static void elo_process_data(struct input_dev *input, const u8 *data, int size) +{ + int press; + + input_report_abs(input, ABS_X, (data[3] << 8) | data[2]); + input_report_abs(input, ABS_Y, (data[5] << 8) | data[4]); + + press = 0; + if (data[1] & 0x80) + press = (data[7] << 8) | data[6]; + input_report_abs(input, ABS_PRESSURE, press); + + if (data[1] & 0x03) { + input_report_key(input, BTN_TOUCH, 1); + input_sync(input); + } + + if (data[1] & 0x04) + input_report_key(input, BTN_TOUCH, 0); + + input_sync(input); +} + +static int elo_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size) +{ + struct hid_input *hidinput; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || list_empty(&hdev->inputs)) + return 0; + + hidinput = list_first_entry(&hdev->inputs, struct hid_input, list); + + switch (report->id) { + case 0: + if (data[0] == 'T') { /* Mandatory ELO packet marker */ + elo_process_data(hidinput->input, data, size); + return 1; + } + break; + default: /* unknown report */ + /* Unknown report type; pass upstream */ + hid_info(hdev, "unknown report type %d\n", report->id); + break; + } + + return 0; +} + +static int elo_smartset_send_get(struct usb_device *dev, u8 command, + void *data) +{ + unsigned int pipe; + u8 dir; + + if (command == ELO_SEND_SMARTSET_COMMAND) { + pipe = usb_sndctrlpipe(dev, 0); + dir = USB_DIR_OUT; + } else if (command == ELO_GET_SMARTSET_RESPONSE) { + pipe = usb_rcvctrlpipe(dev, 0); + dir = USB_DIR_IN; + } else + return -EINVAL; + + return usb_control_msg(dev, pipe, command, + dir | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, data, ELO_SMARTSET_PACKET_SIZE, + ELO_SMARTSET_CMD_TIMEOUT); +} + +static int elo_flush_smartset_responses(struct usb_device *dev) +{ + return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + ELO_FLUSH_SMARTSET_RESPONSES, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); +} + +static void elo_work(struct work_struct *work) +{ + struct elo_priv *priv = container_of(work, struct elo_priv, work.work); + struct usb_device *dev = priv->usbdev; + unsigned char *buffer = priv->buffer; + int ret; + + ret = elo_flush_smartset_responses(dev); + if (ret < 0) { + dev_err(&dev->dev, "initial FLUSH_SMARTSET_RESPONSES failed, error %d\n", + ret); + goto fail; + } + + /* send Diagnostics command */ + *buffer = ELO_DIAG; + ret = elo_smartset_send_get(dev, ELO_SEND_SMARTSET_COMMAND, buffer); + if (ret < 0) { + dev_err(&dev->dev, "send Diagnostics Command failed, error %d\n", + ret); + goto fail; + } + + /* get the result */ + ret = elo_smartset_send_get(dev, ELO_GET_SMARTSET_RESPONSE, buffer); + if (ret < 0) { + dev_err(&dev->dev, "get Diagnostics Command response failed, error %d\n", + ret); + goto fail; + } + + /* read the ack */ + if (*buffer != 'A') { + ret = elo_smartset_send_get(dev, ELO_GET_SMARTSET_RESPONSE, + buffer); + if (ret < 0) { + dev_err(&dev->dev, "get acknowledge response failed, error %d\n", + ret); + goto fail; + } + } + +fail: + ret = elo_flush_smartset_responses(dev); + if (ret < 0) + dev_err(&dev->dev, "final FLUSH_SMARTSET_RESPONSES failed, error %d\n", + ret); + queue_delayed_work(wq, &priv->work, ELO_PERIODIC_READ_INTERVAL); +} + +/* + * Not all Elo devices need the periodic HID descriptor reads. + * Only firmware version M needs this. + */ +static bool elo_broken_firmware(struct usb_device *dev) +{ + struct usb_device *hub = dev->parent; + struct usb_device *child = NULL; + u16 fw_lvl = le16_to_cpu(dev->descriptor.bcdDevice); + u16 child_vid, child_pid; + int i; + + if (!use_fw_quirk) + return false; + if (fw_lvl != 0x10d) + return false; + + /* iterate sibling devices of the touch controller */ + usb_hub_for_each_child(hub, i, child) { + child_vid = le16_to_cpu(child->descriptor.idVendor); + child_pid = le16_to_cpu(child->descriptor.idProduct); + + /* + * If one of the devices below is present attached as a sibling of + * the touch controller then this is a newer IBM 4820 monitor that + * does not need the IBM-requested workaround if fw level is + * 0x010d - aka 'M'. + * No other HW can have this combination. + */ + if (child_vid==0x04b3) { + switch (child_pid) { + case 0x4676: /* 4820 21x Video */ + case 0x4677: /* 4820 51x Video */ + case 0x4678: /* 4820 2Lx Video */ + case 0x4679: /* 4820 5Lx Video */ + return false; + } + } + } + return true; +} + +static int elo_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct elo_priv *priv; + int ret; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + INIT_DELAYED_WORK(&priv->work, elo_work); + priv->usbdev = interface_to_usbdev(to_usb_interface(hdev->dev.parent)); + + hid_set_drvdata(hdev, priv); + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err_free; + } + + if (elo_broken_firmware(priv->usbdev)) { + hid_info(hdev, "broken firmware found, installing workaround\n"); + queue_delayed_work(wq, &priv->work, ELO_PERIODIC_READ_INTERVAL); + } + + return 0; +err_free: + kfree(priv); + return ret; +} + +static void elo_remove(struct hid_device *hdev) +{ + struct elo_priv *priv = hid_get_drvdata(hdev); + + hid_hw_stop(hdev); + flush_workqueue(wq); + kfree(priv); +} + +static const struct hid_device_id elo_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009), }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030), }, + { } +}; +MODULE_DEVICE_TABLE(hid, elo_devices); + +static struct hid_driver elo_driver = { + .name = "elo", + .id_table = elo_devices, + .probe = elo_probe, + .remove = elo_remove, + .raw_event = elo_raw_event, + .input_configured = elo_input_configured, +}; + +static int __init elo_driver_init(void) +{ + int ret; + + wq = create_singlethread_workqueue("elousb"); + if (!wq) + return -ENOMEM; + + ret = hid_register_driver(&elo_driver); + if (ret) + destroy_workqueue(wq); + + return ret; +} +module_init(elo_driver_init); + +static void __exit elo_driver_exit(void) +{ + hid_unregister_driver(&elo_driver); + destroy_workqueue(wq); +} +module_exit(elo_driver_exit); + +MODULE_AUTHOR("Jiri Slaby <jslaby@suse.cz>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c new file mode 100644 index 00000000000..d82d75bb11f --- /dev/null +++ b/drivers/hid/hid-emsff.c @@ -0,0 +1,154 @@ +/* + * Force feedback support for EMS Trio Linker Plus II + * + * Copyright (c) 2010 Ignaz Forster <ignaz.forster@gmx.de> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/module.h> + +#include "hid-ids.h" + +struct emsff_device { + struct hid_report *report; +}; + +static int emsff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct emsff_device *emsff = data; + int weak, strong; + + weak = effect->u.rumble.weak_magnitude; + strong = effect->u.rumble.strong_magnitude; + + dbg_hid("called with 0x%04x 0x%04x\n", strong, weak); + + weak = weak * 0xff / 0xffff; + strong = strong * 0xff / 0xffff; + + emsff->report->field[0]->value[1] = weak; + emsff->report->field[0]->value[2] = strong; + + dbg_hid("running with 0x%02x 0x%02x\n", strong, weak); + hid_hw_request(hid, emsff->report, HID_REQ_SET_REPORT); + + return 0; +} + +static int emsff_init(struct hid_device *hid) +{ + struct emsff_device *emsff; + struct hid_report *report; + struct hid_input *hidinput = list_first_entry(&hid->inputs, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + hid_err(hid, "no output reports found\n"); + return -ENODEV; + } + + report = list_first_entry(report_list, struct hid_report, list); + if (report->maxfield < 1) { + hid_err(hid, "no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 7) { + hid_err(hid, "not enough values in the field\n"); + return -ENODEV; + } + + emsff = kzalloc(sizeof(struct emsff_device), GFP_KERNEL); + if (!emsff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, emsff, emsff_play); + if (error) { + kfree(emsff); + return error; + } + + emsff->report = report; + emsff->report->field[0]->value[0] = 0x01; + emsff->report->field[0]->value[1] = 0x00; + emsff->report->field[0]->value[2] = 0x00; + emsff->report->field[0]->value[3] = 0x00; + emsff->report->field[0]->value[4] = 0x00; + emsff->report->field[0]->value[5] = 0x00; + emsff->report->field[0]->value[6] = 0x00; + hid_hw_request(hid, emsff->report, HID_REQ_SET_REPORT); + + hid_info(hid, "force feedback for EMS based devices by Ignaz Forster <ignaz.forster@gmx.de>\n"); + + return 0; +} + +static int ems_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err; + } + + ret = emsff_init(hdev); + if (ret) { + dev_err(&hdev->dev, "force feedback init failed\n"); + hid_hw_stop(hdev); + goto err; + } + + return 0; +err: + return ret; +} + +static const struct hid_device_id ems_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ems_devices); + +static struct hid_driver ems_driver = { + .name = "hkems", + .id_table = ems_devices, + .probe = ems_probe, +}; +module_hid_driver(ems_driver); + +MODULE_LICENSE("GPL"); + diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c index ca1163e9d42..212ac6be245 100644 --- a/drivers/hid/hid-ezkey.c +++ b/drivers/hid/hid-ezkey.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -77,17 +76,6 @@ static struct hid_driver ez_driver = { .input_mapping = ez_input_mapping, .event = ez_event, }; +module_hid_driver(ez_driver); -static int __init ez_init(void) -{ - return hid_register_driver(&ez_driver); -} - -static void __exit ez_exit(void) -{ - hid_unregister_driver(&ez_driver); -} - -module_init(ez_init); -module_exit(ez_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c index 88dfcf49a5d..2d8cead3adc 100644 --- a/drivers/hid/hid-gaff.c +++ b/drivers/hid/hid-gaff.c @@ -29,12 +29,11 @@ #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> #include <linux/hid.h> +#include <linux/module.h> #include "hid-ids.h" #ifdef CONFIG_GREENASIA_FF -#include "usbhid/usbhid.h" struct gaff_device { struct hid_report *report; @@ -62,14 +61,14 @@ static int hid_gaff_play(struct input_dev *dev, void *data, gaff->report->field[0]->value[4] = left; gaff->report->field[0]->value[5] = 0; dbg_hid("running with 0x%02x 0x%02x", left, right); - usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT); gaff->report->field[0]->value[0] = 0xfa; gaff->report->field[0]->value[1] = 0xfe; gaff->report->field[0]->value[2] = 0x0; gaff->report->field[0]->value[4] = 0x0; - usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT); return 0; } @@ -87,7 +86,7 @@ static int gaff_init(struct hid_device *hid) int error; if (list_empty(report_list)) { - dev_err(&hid->dev, "no output reports found\n"); + hid_err(hid, "no output reports found\n"); return -ENODEV; } @@ -95,12 +94,12 @@ static int gaff_init(struct hid_device *hid) report = list_entry(report_ptr, struct hid_report, list); if (report->maxfield < 1) { - dev_err(&hid->dev, "no fields in the report\n"); + hid_err(hid, "no fields in the report\n"); return -ENODEV; } if (report->field[0]->report_count < 6) { - dev_err(&hid->dev, "not enough values in the field\n"); + hid_err(hid, "not enough values in the field\n"); return -ENODEV; } @@ -121,15 +120,14 @@ static int gaff_init(struct hid_device *hid) gaff->report->field[0]->value[1] = 0x00; gaff->report->field[0]->value[2] = 0x00; gaff->report->field[0]->value[3] = 0x00; - usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT); gaff->report->field[0]->value[0] = 0xfa; gaff->report->field[0]->value[1] = 0xfe; - usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT); - dev_info(&hid->dev, "Force Feedback for GreenAsia 0x12" - " devices by Lukasz Lubojanski <lukasz@lubojanski.info>\n"); + hid_info(hid, "Force Feedback for GreenAsia 0x12 devices by Lukasz Lubojanski <lukasz@lubojanski.info>\n"); return 0; } @@ -148,13 +146,13 @@ static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err; } @@ -176,17 +174,6 @@ static struct hid_driver ga_driver = { .id_table = ga_devices, .probe = ga_probe, }; +module_hid_driver(ga_driver); -static int __init ga_init(void) -{ - return hid_register_driver(&ga_driver); -} - -static void __exit ga_exit(void) -{ - hid_unregister_driver(&ga_driver); -} - -module_init(ga_init); -module_exit(ga_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-generic.c b/drivers/hid/hid-generic.c new file mode 100644 index 00000000000..e288a4a06fe --- /dev/null +++ b/drivers/hid/hid-generic.c @@ -0,0 +1,41 @@ +/* + * HID support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2007-2008 Oliver Neukum + * Copyright (c) 2006-2012 Jiri Kosina + * Copyright (c) 2012 Henrik Rydberg + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/kernel.h> +#include <asm/unaligned.h> +#include <asm/byteorder.h> + +#include <linux/hid.h> + +static const struct hid_device_id hid_table[] = { + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_GENERIC, HID_ANY_ID, HID_ANY_ID) }, + { } +}; +MODULE_DEVICE_TABLE(hid, hid_table); + +static struct hid_driver hid_generic = { + .name = "hid-generic", + .id_table = hid_table, +}; +module_hid_driver(hid_generic); + +MODULE_AUTHOR("Henrik Rydberg"); +MODULE_DESCRIPTION("HID generic driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c index 3975e039c3d..288d61c9748 100644 --- a/drivers/hid/hid-gyration.c +++ b/drivers/hid/hid-gyration.c @@ -4,7 +4,6 @@ * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby * Copyright (c) 2006-2008 Jiri Kosina */ @@ -43,6 +42,11 @@ static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, case 0x048: gy_map_key_clear(KEY_MEDIA); break; case 0x049: gy_map_key_clear(KEY_CAMERA); break; case 0x04a: gy_map_key_clear(KEY_VIDEO); break; + case 0x05a: gy_map_key_clear(KEY_TEXT); break; + case 0x05b: gy_map_key_clear(KEY_RED); break; + case 0x05c: gy_map_key_clear(KEY_GREEN); break; + case 0x05d: gy_map_key_clear(KEY_YELLOW); break; + case 0x05e: gy_map_key_clear(KEY_BLUE); break; default: return 0; @@ -84,17 +88,6 @@ static struct hid_driver gyration_driver = { .input_mapping = gyration_input_mapping, .event = gyration_event, }; +module_hid_driver(gyration_driver); -static int __init gyration_init(void) -{ - return hid_register_driver(&gyration_driver); -} - -static void __exit gyration_exit(void) -{ - hid_unregister_driver(&gyration_driver); -} - -module_init(gyration_init); -module_exit(gyration_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c new file mode 100644 index 00000000000..6e1a4a4fc0c --- /dev/null +++ b/drivers/hid/hid-holtek-kbd.c @@ -0,0 +1,172 @@ +/* + * HID driver for Holtek keyboard + * Copyright (c) 2012 Tom Harwood +*/ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> + +#include "hid-ids.h" +#include "usbhid/usbhid.h" + +/* Holtek based keyboards (USB ID 04d9:a055) have the following issues: + * - The report descriptor specifies an excessively large number of consumer + * usages (2^15), which is more than HID_MAX_USAGES. This prevents proper + * parsing of the report descriptor. + * - The report descriptor reports on caps/scroll/num lock key presses, but + * doesn't have an LED output usage block. + * + * The replacement descriptor below fixes the number of consumer usages, + * and provides an LED output usage block. LED output events are redirected + * to the boot interface. + */ + +static __u8 holtek_kbd_rdesc_fixed[] = { + /* Original report descriptor, with reduced number of consumer usages */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x80, /* Usage (Sys Control), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x01, /* Report ID (1), */ + 0x19, 0x81, /* Usage Minimum (Sys Power Down), */ + 0x29, 0x83, /* Usage Maximum (Sys Wake Up), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x75, 0x01, /* Report Size (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x01, /* Report Count (1), */ + 0x75, 0x05, /* Report Size (5), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0, /* End Collection, */ + 0x05, 0x0C, /* Usage Page (Consumer), */ + 0x09, 0x01, /* Usage (Consumer Control), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x02, /* Report ID (2), */ + 0x19, 0x00, /* Usage Minimum (00h), */ + 0x2A, 0xFF, 0x2F, /* Usage Maximum (0x2FFF), previously 0x7FFF */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x2F, /* Logical Maximum (0x2FFF),previously 0x7FFF*/ + 0x95, 0x01, /* Report Count (1), */ + 0x75, 0x10, /* Report Size (16), */ + 0x81, 0x00, /* Input, */ + 0xC0, /* End Collection, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x03, /* Report ID (3), */ + 0x95, 0x38, /* Report Count (56), */ + 0x75, 0x01, /* Report Size (1), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x05, 0x07, /* Usage Page (Keyboard), */ + 0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */ + 0x29, 0xE7, /* Usage Maximum (KB Right GUI), */ + 0x19, 0x00, /* Usage Minimum (None), */ + 0x29, 0x2F, /* Usage Maximum (KB Lboxbracket And Lbrace),*/ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x04, /* Report ID (4), */ + 0x95, 0x38, /* Report Count (56), */ + 0x75, 0x01, /* Report Size (1), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x05, 0x07, /* Usage Page (Keyboard), */ + 0x19, 0x30, /* Usage Minimum (KB Rboxbracket And Rbrace),*/ + 0x29, 0x67, /* Usage Maximum (KP Equals), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection */ + + /* LED usage for the boot protocol interface */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x05, 0x08, /* Usage Page (LED), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x03, /* Usage Maximum (03h), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x91, 0x02, /* Output (Variable), */ + 0x95, 0x05, /* Report Count (5), */ + 0x91, 0x01, /* Output (Constant), */ + 0xC0, /* End Collection */ +}; + +static __u8 *holtek_kbd_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + rdesc = holtek_kbd_rdesc_fixed; + *rsize = sizeof(holtek_kbd_rdesc_fixed); + } + return rdesc; +} + +static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type, + unsigned int code, + int value) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct usb_device *usb_dev = hid_to_usb_dev(hid); + + /* Locate the boot interface, to receive the LED change events */ + struct usb_interface *boot_interface = usb_ifnum_to_if(usb_dev, 0); + + struct hid_device *boot_hid = usb_get_intfdata(boot_interface); + struct hid_input *boot_hid_input = list_first_entry(&boot_hid->inputs, + struct hid_input, list); + + return boot_hid_input->input->event(boot_hid_input->input, type, code, + value); +} + +static int holtek_kbd_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + int ret = hid_parse(hdev); + + if (!ret) + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + + if (!ret && intf->cur_altsetting->desc.bInterfaceNumber == 1) { + struct hid_input *hidinput; + list_for_each_entry(hidinput, &hdev->inputs, list) { + hidinput->input->event = holtek_kbd_input_event; + } + } + + return ret; +} + +static const struct hid_device_id holtek_kbd_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, + { } +}; +MODULE_DEVICE_TABLE(hid, holtek_kbd_devices); + +static struct hid_driver holtek_kbd_driver = { + .name = "holtek_kbd", + .id_table = holtek_kbd_devices, + .report_fixup = holtek_kbd_report_fixup, + .probe = holtek_kbd_probe +}; +module_hid_driver(holtek_kbd_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c new file mode 100644 index 00000000000..d60fbd0adc0 --- /dev/null +++ b/drivers/hid/hid-holtek-mouse.c @@ -0,0 +1,88 @@ +/* + * HID driver for Holtek gaming mice + * Copyright (c) 2013 Christian Ohm + * Heavily inspired by various other HID drivers that adjust the report + * descriptor. +*/ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> + +#include "hid-ids.h" + +/* + * The report descriptor of some Holtek based gaming mice specifies an + * excessively large number of consumer usages (2^15), which is more than + * HID_MAX_USAGES. This prevents proper parsing of the report descriptor. + * + * This driver fixes the report descriptor for: + * - USB ID 04d9:a067, sold as Sharkoon Drakonia and Perixx MX-2000 + * - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200 + * and Zalman ZM-GM1 + * - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse + * - USB ID 04d9:a072, sold as LEETGION Hellion Gaming Mouse + */ + +static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + /* Change usage maximum and logical maximum from 0x7fff to + * 0x2fff, so they don't exceed HID_MAX_USAGES */ + switch (hdev->product) { + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067: + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072: + if (*rsize >= 122 && rdesc[115] == 0xff && rdesc[116] == 0x7f + && rdesc[120] == 0xff && rdesc[121] == 0x7f) { + hid_info(hdev, "Fixing up report descriptor\n"); + rdesc[116] = rdesc[121] = 0x2f; + } + break; + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A: + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070: + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081: + if (*rsize >= 113 && rdesc[106] == 0xff && rdesc[107] == 0x7f + && rdesc[111] == 0xff && rdesc[112] == 0x7f) { + hid_info(hdev, "Fixing up report descriptor\n"); + rdesc[107] = rdesc[112] = 0x2f; + } + break; + } + + } + return rdesc; +} + +static const struct hid_device_id holtek_mouse_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, + { } +}; +MODULE_DEVICE_TABLE(hid, holtek_mouse_devices); + +static struct hid_driver holtek_mouse_driver = { + .name = "holtek_mouse", + .id_table = holtek_mouse_devices, + .report_fixup = holtek_mouse_report_fixup, +}; + +module_hid_driver(holtek_mouse_driver); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-holtekff.c b/drivers/hid/hid-holtekff.c new file mode 100644 index 00000000000..9325545fc3a --- /dev/null +++ b/drivers/hid/hid-holtekff.c @@ -0,0 +1,225 @@ +/* + * Force feedback support for Holtek On Line Grip based gamepads + * + * These include at least a Brazilian "Clone Joypad Super Power Fire" + * which uses vendor ID 0x1241 and identifies as "HOLTEK On Line Grip". + * + * Copyright (c) 2011 Anssi Hannula <anssi.hannula@iki.fi> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/slab.h> + +#include "hid-ids.h" + +#ifdef CONFIG_HOLTEK_FF + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Anssi Hannula <anssi.hannula@iki.fi>"); +MODULE_DESCRIPTION("Force feedback support for Holtek On Line Grip based devices"); + +/* + * These commands and parameters are currently known: + * + * byte 0: command id: + * 01 set effect parameters + * 02 play specified effect + * 03 stop specified effect + * 04 stop all effects + * 06 stop all effects + * (the difference between 04 and 06 isn't known; win driver + * sends 06,04 on application init, and 06 otherwise) + * + * Commands 01 and 02 need to be sent as pairs, i.e. you need to send 01 + * before each 02. + * + * The rest of the bytes are parameters. Command 01 takes all of them, and + * commands 02,03 take only the effect id. + * + * byte 1: + * bits 0-3: effect id: + * 1: very strong rumble + * 2: periodic rumble, short intervals + * 3: very strong rumble + * 4: periodic rumble, long intervals + * 5: weak periodic rumble, long intervals + * 6: weak periodic rumble, short intervals + * 7: periodic rumble, short intervals + * 8: strong periodic rumble, short intervals + * 9: very strong rumble + * a: causes an error + * b: very strong periodic rumble, very short intervals + * c-f: nothing + * bit 6: right (weak) motor enabled + * bit 7: left (strong) motor enabled + * + * bytes 2-3: time in milliseconds, big-endian + * bytes 5-6: unknown (win driver seems to use at least 10e0 with effect 1 + * and 0014 with effect 6) + * byte 7: + * bits 0-3: effect magnitude + */ + +#define HOLTEKFF_MSG_LENGTH 7 + +static const u8 start_effect_1[] = { 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }; +static const u8 stop_all4[] = { 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; +static const u8 stop_all6[] = { 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + +struct holtekff_device { + struct hid_field *field; +}; + +static void holtekff_send(struct holtekff_device *holtekff, + struct hid_device *hid, + const u8 data[HOLTEKFF_MSG_LENGTH]) +{ + int i; + + for (i = 0; i < HOLTEKFF_MSG_LENGTH; i++) { + holtekff->field->value[i] = data[i]; + } + + dbg_hid("sending %7ph\n", data); + + hid_hw_request(hid, holtekff->field->report, HID_REQ_SET_REPORT); +} + +static int holtekff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct holtekff_device *holtekff = data; + int left, right; + /* effect type 1, length 65535 msec */ + u8 buf[HOLTEKFF_MSG_LENGTH] = + { 0x01, 0x01, 0xff, 0xff, 0x10, 0xe0, 0x00 }; + + left = effect->u.rumble.strong_magnitude; + right = effect->u.rumble.weak_magnitude; + dbg_hid("called with 0x%04x 0x%04x\n", left, right); + + if (!left && !right) { + holtekff_send(holtekff, hid, stop_all6); + return 0; + } + + if (left) + buf[1] |= 0x80; + if (right) + buf[1] |= 0x40; + + /* The device takes a single magnitude, so we just sum them up. */ + buf[6] = min(0xf, (left >> 12) + (right >> 12)); + + holtekff_send(holtekff, hid, buf); + holtekff_send(holtekff, hid, start_effect_1); + + return 0; +} + +static int holtekff_init(struct hid_device *hid) +{ + struct holtekff_device *holtekff; + struct hid_report *report; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + hid_err(hid, "no output report found\n"); + return -ENODEV; + } + + report = list_entry(report_list->next, struct hid_report, list); + + if (report->maxfield < 1 || report->field[0]->report_count != 7) { + hid_err(hid, "unexpected output report layout\n"); + return -ENODEV; + } + + holtekff = kzalloc(sizeof(*holtekff), GFP_KERNEL); + if (!holtekff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + holtekff->field = report->field[0]; + + /* initialize the same way as win driver does */ + holtekff_send(holtekff, hid, stop_all4); + holtekff_send(holtekff, hid, stop_all6); + + error = input_ff_create_memless(dev, holtekff, holtekff_play); + if (error) { + kfree(holtekff); + return error; + } + + hid_info(hid, "Force feedback for Holtek On Line Grip based devices by Anssi Hannula <anssi.hannula@iki.fi>\n"); + + return 0; +} +#else +static inline int holtekff_init(struct hid_device *hid) +{ + return 0; +} +#endif + +static int holtek_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err; + } + + holtekff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id holtek_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, + { } +}; +MODULE_DEVICE_TABLE(hid, holtek_devices); + +static struct hid_driver holtek_driver = { + .name = "holtek", + .id_table = holtek_devices, + .probe = holtek_probe, +}; +module_hid_driver(holtek_driver); diff --git a/drivers/hid/hid-huion.c b/drivers/hid/hid-huion.c new file mode 100644 index 00000000000..cbf4da4689b --- /dev/null +++ b/drivers/hid/hid-huion.c @@ -0,0 +1,177 @@ +/* + * HID driver for Huion devices not fully compliant with HID standard + * + * Copyright (c) 2013 Martin Rusko + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> +#include "usbhid/usbhid.h" + +#include "hid-ids.h" + +/* Original Huion 580 report descriptor size */ +#define HUION_580_RDESC_ORIG_SIZE 177 + +/* Fixed Huion 580 report descriptor */ +static __u8 huion_580_rdesc_fixed[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x07, /* Report ID (7), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */ + 0x26, 0x00, 0x7D, /* Logical Maximum (32000), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x88, 0x13, /* Physical Maximum (5000), */ + 0x26, 0x20, 0x4E, /* Logical Maximum (20000), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x07, /* Logical Maximum (2047), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +static __u8 *huion_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + switch (hdev->product) { + case USB_DEVICE_ID_HUION_580: + if (*rsize == HUION_580_RDESC_ORIG_SIZE) { + rdesc = huion_580_rdesc_fixed; + *rsize = sizeof(huion_580_rdesc_fixed); + } + break; + } + return rdesc; +} + +/** + * Enable fully-functional tablet mode by reading special string + * descriptor. + * + * @hdev: HID device + * + * The specific string descriptor and data were discovered by sniffing + * the Windows driver traffic. + */ +static int huion_tablet_enable(struct hid_device *hdev) +{ + int rc; + char buf[22]; + + rc = usb_string(hid_to_usb_dev(hdev), 0x64, buf, sizeof(buf)); + if (rc < 0) + return rc; + + return 0; +} + +static int huion_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + + /* Ignore interfaces 1 (mouse) and 2 (keyboard) for Huion 580 tablet, + * as they are not used + */ + switch (id->product) { + case USB_DEVICE_ID_HUION_580: + if (intf->cur_altsetting->desc.bInterfaceNumber != 0x00) + return -ENODEV; + break; + } + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err; + } + + switch (id->product) { + case USB_DEVICE_ID_HUION_580: + ret = huion_tablet_enable(hdev); + if (ret) { + hid_err(hdev, "tablet enabling failed\n"); + goto enabling_err; + } + break; + } + + return 0; +enabling_err: + hid_hw_stop(hdev); +err: + return ret; +} + +static int huion_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size) +{ + /* If this is a pen input report then invert the in-range bit */ + if (report->type == HID_INPUT_REPORT && report->id == 0x07 && size >= 2) + data[1] ^= 0x40; + + return 0; +} + +static const struct hid_device_id huion_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, + { } +}; +MODULE_DEVICE_TABLE(hid, huion_devices); + +static struct hid_driver huion_driver = { + .name = "huion", + .id_table = huion_devices, + .probe = huion_probe, + .report_fixup = huion_report_fixup, + .raw_event = huion_raw_event, +}; +module_hid_driver(huion_driver); + +MODULE_AUTHOR("Martin Rusko"); +MODULE_DESCRIPTION("Huion HID driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c new file mode 100644 index 00000000000..f52dbcb7133 --- /dev/null +++ b/drivers/hid/hid-hyperv.c @@ -0,0 +1,609 @@ +/* + * Copyright (c) 2009, Citrix Systems, Inc. + * Copyright (c) 2010, Microsoft Corporation. + * Copyright (c) 2011, Novell Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/completion.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/hiddev.h> +#include <linux/hyperv.h> + + +struct hv_input_dev_info { + unsigned int size; + unsigned short vendor; + unsigned short product; + unsigned short version; + unsigned short reserved[11]; +}; + +/* The maximum size of a synthetic input message. */ +#define SYNTHHID_MAX_INPUT_REPORT_SIZE 16 + +/* + * Current version + * + * History: + * Beta, RC < 2008/1/22 1,0 + * RC > 2008/1/22 2,0 + */ +#define SYNTHHID_INPUT_VERSION_MAJOR 2 +#define SYNTHHID_INPUT_VERSION_MINOR 0 +#define SYNTHHID_INPUT_VERSION (SYNTHHID_INPUT_VERSION_MINOR | \ + (SYNTHHID_INPUT_VERSION_MAJOR << 16)) + + +#pragma pack(push, 1) +/* + * Message types in the synthetic input protocol + */ +enum synthhid_msg_type { + SYNTH_HID_PROTOCOL_REQUEST, + SYNTH_HID_PROTOCOL_RESPONSE, + SYNTH_HID_INITIAL_DEVICE_INFO, + SYNTH_HID_INITIAL_DEVICE_INFO_ACK, + SYNTH_HID_INPUT_REPORT, + SYNTH_HID_MAX +}; + +/* + * Basic message structures. + */ +struct synthhid_msg_hdr { + enum synthhid_msg_type type; + u32 size; +}; + +struct synthhid_msg { + struct synthhid_msg_hdr header; + char data[1]; /* Enclosed message */ +}; + +union synthhid_version { + struct { + u16 minor_version; + u16 major_version; + }; + u32 version; +}; + +/* + * Protocol messages + */ +struct synthhid_protocol_request { + struct synthhid_msg_hdr header; + union synthhid_version version_requested; +}; + +struct synthhid_protocol_response { + struct synthhid_msg_hdr header; + union synthhid_version version_requested; + unsigned char approved; +}; + +struct synthhid_device_info { + struct synthhid_msg_hdr header; + struct hv_input_dev_info hid_dev_info; + struct hid_descriptor hid_descriptor; +}; + +struct synthhid_device_info_ack { + struct synthhid_msg_hdr header; + unsigned char reserved; +}; + +struct synthhid_input_report { + struct synthhid_msg_hdr header; + char buffer[1]; +}; + +#pragma pack(pop) + +#define INPUTVSC_SEND_RING_BUFFER_SIZE (10*PAGE_SIZE) +#define INPUTVSC_RECV_RING_BUFFER_SIZE (10*PAGE_SIZE) + + +enum pipe_prot_msg_type { + PIPE_MESSAGE_INVALID, + PIPE_MESSAGE_DATA, + PIPE_MESSAGE_MAXIMUM +}; + + +struct pipe_prt_msg { + enum pipe_prot_msg_type type; + u32 size; + char data[1]; +}; + +struct mousevsc_prt_msg { + enum pipe_prot_msg_type type; + u32 size; + union { + struct synthhid_protocol_request request; + struct synthhid_protocol_response response; + struct synthhid_device_info_ack ack; + }; +}; + +/* + * Represents an mousevsc device + */ +struct mousevsc_dev { + struct hv_device *device; + bool init_complete; + bool connected; + struct mousevsc_prt_msg protocol_req; + struct mousevsc_prt_msg protocol_resp; + /* Synchronize the request/response if needed */ + struct completion wait_event; + int dev_info_status; + + struct hid_descriptor *hid_desc; + unsigned char *report_desc; + u32 report_desc_size; + struct hv_input_dev_info hid_dev_info; + struct hid_device *hid_device; + u8 input_buf[HID_MAX_BUFFER_SIZE]; +}; + + +static struct mousevsc_dev *mousevsc_alloc_device(struct hv_device *device) +{ + struct mousevsc_dev *input_dev; + + input_dev = kzalloc(sizeof(struct mousevsc_dev), GFP_KERNEL); + + if (!input_dev) + return NULL; + + input_dev->device = device; + hv_set_drvdata(device, input_dev); + init_completion(&input_dev->wait_event); + input_dev->init_complete = false; + + return input_dev; +} + +static void mousevsc_free_device(struct mousevsc_dev *device) +{ + kfree(device->hid_desc); + kfree(device->report_desc); + hv_set_drvdata(device->device, NULL); + kfree(device); +} + +static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device, + struct synthhid_device_info *device_info) +{ + int ret = 0; + struct hid_descriptor *desc; + struct mousevsc_prt_msg ack; + + input_device->dev_info_status = -ENOMEM; + + input_device->hid_dev_info = device_info->hid_dev_info; + desc = &device_info->hid_descriptor; + if (desc->bLength == 0) + goto cleanup; + + input_device->hid_desc = kmemdup(desc, desc->bLength, GFP_ATOMIC); + + if (!input_device->hid_desc) + goto cleanup; + + input_device->report_desc_size = desc->desc[0].wDescriptorLength; + if (input_device->report_desc_size == 0) { + input_device->dev_info_status = -EINVAL; + goto cleanup; + } + + input_device->report_desc = kzalloc(input_device->report_desc_size, + GFP_ATOMIC); + + if (!input_device->report_desc) { + input_device->dev_info_status = -ENOMEM; + goto cleanup; + } + + memcpy(input_device->report_desc, + ((unsigned char *)desc) + desc->bLength, + desc->desc[0].wDescriptorLength); + + /* Send the ack */ + memset(&ack, 0, sizeof(struct mousevsc_prt_msg)); + + ack.type = PIPE_MESSAGE_DATA; + ack.size = sizeof(struct synthhid_device_info_ack); + + ack.ack.header.type = SYNTH_HID_INITIAL_DEVICE_INFO_ACK; + ack.ack.header.size = 1; + ack.ack.reserved = 0; + + ret = vmbus_sendpacket(input_device->device->channel, + &ack, + sizeof(struct pipe_prt_msg) - sizeof(unsigned char) + + sizeof(struct synthhid_device_info_ack), + (unsigned long)&ack, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + + if (!ret) + input_device->dev_info_status = 0; + +cleanup: + complete(&input_device->wait_event); + + return; +} + +static void mousevsc_on_receive(struct hv_device *device, + struct vmpacket_descriptor *packet) +{ + struct pipe_prt_msg *pipe_msg; + struct synthhid_msg *hid_msg; + struct mousevsc_dev *input_dev = hv_get_drvdata(device); + struct synthhid_input_report *input_report; + size_t len; + + pipe_msg = (struct pipe_prt_msg *)((unsigned long)packet + + (packet->offset8 << 3)); + + if (pipe_msg->type != PIPE_MESSAGE_DATA) + return; + + hid_msg = (struct synthhid_msg *)pipe_msg->data; + + switch (hid_msg->header.type) { + case SYNTH_HID_PROTOCOL_RESPONSE: + /* + * While it will be impossible for us to protect against + * malicious/buggy hypervisor/host, add a check here to + * ensure we don't corrupt memory. + */ + if ((pipe_msg->size + sizeof(struct pipe_prt_msg) + - sizeof(unsigned char)) + > sizeof(struct mousevsc_prt_msg)) { + WARN_ON(1); + break; + } + + memcpy(&input_dev->protocol_resp, pipe_msg, + pipe_msg->size + sizeof(struct pipe_prt_msg) - + sizeof(unsigned char)); + complete(&input_dev->wait_event); + break; + + case SYNTH_HID_INITIAL_DEVICE_INFO: + WARN_ON(pipe_msg->size < sizeof(struct hv_input_dev_info)); + + /* + * Parse out the device info into device attr, + * hid desc and report desc + */ + mousevsc_on_receive_device_info(input_dev, + (struct synthhid_device_info *)pipe_msg->data); + break; + case SYNTH_HID_INPUT_REPORT: + input_report = + (struct synthhid_input_report *)pipe_msg->data; + if (!input_dev->init_complete) + break; + + len = min(input_report->header.size, + (u32)sizeof(input_dev->input_buf)); + memcpy(input_dev->input_buf, input_report->buffer, len); + hid_input_report(input_dev->hid_device, HID_INPUT_REPORT, + input_dev->input_buf, len, 1); + break; + default: + pr_err("unsupported hid msg type - type %d len %d", + hid_msg->header.type, hid_msg->header.size); + break; + } + +} + +static void mousevsc_on_channel_callback(void *context) +{ + const int packet_size = 0x100; + int ret; + struct hv_device *device = context; + u32 bytes_recvd; + u64 req_id; + struct vmpacket_descriptor *desc; + unsigned char *buffer; + int bufferlen = packet_size; + + buffer = kmalloc(bufferlen, GFP_ATOMIC); + if (!buffer) + return; + + do { + ret = vmbus_recvpacket_raw(device->channel, buffer, + bufferlen, &bytes_recvd, &req_id); + + switch (ret) { + case 0: + if (bytes_recvd <= 0) { + kfree(buffer); + return; + } + desc = (struct vmpacket_descriptor *)buffer; + + switch (desc->type) { + case VM_PKT_COMP: + break; + + case VM_PKT_DATA_INBAND: + mousevsc_on_receive(device, desc); + break; + + default: + pr_err("unhandled packet type %d, tid %llx len %d\n", + desc->type, req_id, bytes_recvd); + break; + } + + break; + + case -ENOBUFS: + kfree(buffer); + /* Handle large packet */ + bufferlen = bytes_recvd; + buffer = kmalloc(bytes_recvd, GFP_ATOMIC); + + if (!buffer) + return; + + break; + } + } while (1); + +} + +static int mousevsc_connect_to_vsp(struct hv_device *device) +{ + int ret = 0; + int t; + struct mousevsc_dev *input_dev = hv_get_drvdata(device); + struct mousevsc_prt_msg *request; + struct mousevsc_prt_msg *response; + + request = &input_dev->protocol_req; + memset(request, 0, sizeof(struct mousevsc_prt_msg)); + + request->type = PIPE_MESSAGE_DATA; + request->size = sizeof(struct synthhid_protocol_request); + request->request.header.type = SYNTH_HID_PROTOCOL_REQUEST; + request->request.header.size = sizeof(unsigned int); + request->request.version_requested.version = SYNTHHID_INPUT_VERSION; + + ret = vmbus_sendpacket(device->channel, request, + sizeof(struct pipe_prt_msg) - + sizeof(unsigned char) + + sizeof(struct synthhid_protocol_request), + (unsigned long)request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + if (ret) + goto cleanup; + + t = wait_for_completion_timeout(&input_dev->wait_event, 5*HZ); + if (!t) { + ret = -ETIMEDOUT; + goto cleanup; + } + + response = &input_dev->protocol_resp; + + if (!response->response.approved) { + pr_err("synthhid protocol request failed (version %d)\n", + SYNTHHID_INPUT_VERSION); + ret = -ENODEV; + goto cleanup; + } + + t = wait_for_completion_timeout(&input_dev->wait_event, 5*HZ); + if (!t) { + ret = -ETIMEDOUT; + goto cleanup; + } + + /* + * We should have gotten the device attr, hid desc and report + * desc at this point + */ + ret = input_dev->dev_info_status; + +cleanup: + return ret; +} + +static int mousevsc_hid_parse(struct hid_device *hid) +{ + struct hv_device *dev = hid_get_drvdata(hid); + struct mousevsc_dev *input_dev = hv_get_drvdata(dev); + + return hid_parse_report(hid, input_dev->report_desc, + input_dev->report_desc_size); +} + +static int mousevsc_hid_open(struct hid_device *hid) +{ + return 0; +} + +static int mousevsc_hid_start(struct hid_device *hid) +{ + return 0; +} + +static void mousevsc_hid_close(struct hid_device *hid) +{ +} + +static void mousevsc_hid_stop(struct hid_device *hid) +{ +} + +static int mousevsc_hid_raw_request(struct hid_device *hid, + unsigned char report_num, + __u8 *buf, size_t len, + unsigned char rtype, + int reqtype) +{ + return 0; +} + +static struct hid_ll_driver mousevsc_ll_driver = { + .parse = mousevsc_hid_parse, + .open = mousevsc_hid_open, + .close = mousevsc_hid_close, + .start = mousevsc_hid_start, + .stop = mousevsc_hid_stop, + .raw_request = mousevsc_hid_raw_request, +}; + +static struct hid_driver mousevsc_hid_driver; + +static int mousevsc_probe(struct hv_device *device, + const struct hv_vmbus_device_id *dev_id) +{ + int ret; + struct mousevsc_dev *input_dev; + struct hid_device *hid_dev; + + input_dev = mousevsc_alloc_device(device); + + if (!input_dev) + return -ENOMEM; + + ret = vmbus_open(device->channel, + INPUTVSC_SEND_RING_BUFFER_SIZE, + INPUTVSC_RECV_RING_BUFFER_SIZE, + NULL, + 0, + mousevsc_on_channel_callback, + device + ); + + if (ret) + goto probe_err0; + + ret = mousevsc_connect_to_vsp(device); + + if (ret) + goto probe_err1; + + /* workaround SA-167 */ + if (input_dev->report_desc[14] == 0x25) + input_dev->report_desc[14] = 0x29; + + hid_dev = hid_allocate_device(); + if (IS_ERR(hid_dev)) { + ret = PTR_ERR(hid_dev); + goto probe_err1; + } + + hid_dev->ll_driver = &mousevsc_ll_driver; + hid_dev->driver = &mousevsc_hid_driver; + hid_dev->bus = BUS_VIRTUAL; + hid_dev->vendor = input_dev->hid_dev_info.vendor; + hid_dev->product = input_dev->hid_dev_info.product; + hid_dev->version = input_dev->hid_dev_info.version; + input_dev->hid_device = hid_dev; + + sprintf(hid_dev->name, "%s", "Microsoft Vmbus HID-compliant Mouse"); + + hid_set_drvdata(hid_dev, device); + + ret = hid_add_device(hid_dev); + if (ret) + goto probe_err1; + + + ret = hid_parse(hid_dev); + if (ret) { + hid_err(hid_dev, "parse failed\n"); + goto probe_err2; + } + + ret = hid_hw_start(hid_dev, HID_CONNECT_HIDINPUT | HID_CONNECT_HIDDEV); + + if (ret) { + hid_err(hid_dev, "hw start failed\n"); + goto probe_err2; + } + + input_dev->connected = true; + input_dev->init_complete = true; + + return ret; + +probe_err2: + hid_destroy_device(hid_dev); + +probe_err1: + vmbus_close(device->channel); + +probe_err0: + mousevsc_free_device(input_dev); + + return ret; +} + + +static int mousevsc_remove(struct hv_device *dev) +{ + struct mousevsc_dev *input_dev = hv_get_drvdata(dev); + + vmbus_close(dev->channel); + hid_hw_stop(input_dev->hid_device); + hid_destroy_device(input_dev->hid_device); + mousevsc_free_device(input_dev); + + return 0; +} + +static const struct hv_vmbus_device_id id_table[] = { + /* Mouse guid */ + { HV_MOUSE_GUID, }, + { }, +}; + +MODULE_DEVICE_TABLE(vmbus, id_table); + +static struct hv_driver mousevsc_drv = { + .name = KBUILD_MODNAME, + .id_table = id_table, + .probe = mousevsc_probe, + .remove = mousevsc_remove, +}; + +static int __init mousevsc_init(void) +{ + return vmbus_driver_register(&mousevsc_drv); +} + +static void __exit mousevsc_exit(void) +{ + vmbus_driver_unregister(&mousevsc_drv); +} + +MODULE_LICENSE("GPL"); +module_init(mousevsc_init); +module_exit(mousevsc_exit); diff --git a/drivers/hid/hid-icade.c b/drivers/hid/hid-icade.c new file mode 100644 index 00000000000..76b5a757078 --- /dev/null +++ b/drivers/hid/hid-icade.c @@ -0,0 +1,242 @@ +/* + * ION iCade input driver + * + * Copyright (c) 2012 Bastien Nocera <hadess@hadess.net> + * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* + * ↑ A C Y L + * ↠→ + * ↓ B X Z R + * + * + * UP ON,OFF = w,e + * RT ON,OFF = d,c + * DN ON,OFF = x,z + * LT ON,OFF = a,q + * A ON,OFF = y,t + * B ON,OFF = h,r + * C ON,OFF = u,f + * X ON,OFF = j,n + * Y ON,OFF = i,m + * Z ON,OFF = k,p + * L ON,OFF = o,g + * R ON,OFF = l,v + */ + +/* The translation code uses HID usage instead of input layer + * keys. This code generates a lookup table that makes + * translation quick. + * + * #include <linux/input.h> + * #include <stdio.h> + * #include <assert.h> + * + * #define unk KEY_UNKNOWN + * + * < copy of hid_keyboard[] from hid-input.c > + * + * struct icade_key_translation { + * int from; + * const char *to; + * int press; + * }; + * + * static const struct icade_key_translation icade_keys[] = { + * { KEY_W, "KEY_UP", 1 }, + * { KEY_E, "KEY_UP", 0 }, + * { KEY_D, "KEY_RIGHT", 1 }, + * { KEY_C, "KEY_RIGHT", 0 }, + * { KEY_X, "KEY_DOWN", 1 }, + * { KEY_Z, "KEY_DOWN", 0 }, + * { KEY_A, "KEY_LEFT", 1 }, + * { KEY_Q, "KEY_LEFT", 0 }, + * { KEY_Y, "BTN_A", 1 }, + * { KEY_T, "BTN_A", 0 }, + * { KEY_H, "BTN_B", 1 }, + * { KEY_R, "BTN_B", 0 }, + * { KEY_U, "BTN_C", 1 }, + * { KEY_F, "BTN_C", 0 }, + * { KEY_J, "BTN_X", 1 }, + * { KEY_N, "BTN_X", 0 }, + * { KEY_I, "BTN_Y", 1 }, + * { KEY_M, "BTN_Y", 0 }, + * { KEY_K, "BTN_Z", 1 }, + * { KEY_P, "BTN_Z", 0 }, + * { KEY_O, "BTN_THUMBL", 1 }, + * { KEY_G, "BTN_THUMBL", 0 }, + * { KEY_L, "BTN_THUMBR", 1 }, + * { KEY_V, "BTN_THUMBR", 0 }, + * + * { } + * }; + * + * static int + * usage_for_key (int key) + * { + * int i; + * for (i = 0; i < 256; i++) { + * if (hid_keyboard[i] == key) + * return i; + * } + * assert(0); + * } + * + * int main (int argc, char **argv) + * { + * const struct icade_key_translation *trans; + * int max_usage = 0; + * + * for (trans = icade_keys; trans->from; trans++) { + * int usage = usage_for_key (trans->from); + * max_usage = usage > max_usage ? usage : max_usage; + * } + * + * printf ("#define ICADE_MAX_USAGE %d\n\n", max_usage); + * printf ("struct icade_key {\n"); + * printf ("\tu16 to;\n"); + * printf ("\tu8 press:1;\n"); + * printf ("};\n\n"); + * printf ("static const struct icade_key " + * "icade_usage_table[%d] = {\n", max_usage + 1); + * for (trans = icade_keys; trans->from; trans++) { + * printf ("\t[%d] = { %s, %d },\n", + * usage_for_key (trans->from), trans->to, trans->press); + * } + * printf ("};\n"); + * + * return 0; + * } + */ + +#define ICADE_MAX_USAGE 29 + +struct icade_key { + u16 to; + u8 press:1; +}; + +static const struct icade_key icade_usage_table[30] = { + [26] = { KEY_UP, 1 }, + [8] = { KEY_UP, 0 }, + [7] = { KEY_RIGHT, 1 }, + [6] = { KEY_RIGHT, 0 }, + [27] = { KEY_DOWN, 1 }, + [29] = { KEY_DOWN, 0 }, + [4] = { KEY_LEFT, 1 }, + [20] = { KEY_LEFT, 0 }, + [28] = { BTN_A, 1 }, + [23] = { BTN_A, 0 }, + [11] = { BTN_B, 1 }, + [21] = { BTN_B, 0 }, + [24] = { BTN_C, 1 }, + [9] = { BTN_C, 0 }, + [13] = { BTN_X, 1 }, + [17] = { BTN_X, 0 }, + [12] = { BTN_Y, 1 }, + [16] = { BTN_Y, 0 }, + [14] = { BTN_Z, 1 }, + [19] = { BTN_Z, 0 }, + [18] = { BTN_THUMBL, 1 }, + [10] = { BTN_THUMBL, 0 }, + [15] = { BTN_THUMBR, 1 }, + [25] = { BTN_THUMBR, 0 }, +}; + +static const struct icade_key *icade_find_translation(u16 from) +{ + if (from > ICADE_MAX_USAGE) + return NULL; + return &icade_usage_table[from]; +} + +static int icade_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + const struct icade_key *trans; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + /* We ignore the fake key up, and act only on key down */ + if (!value) + return 1; + + trans = icade_find_translation(usage->hid & HID_USAGE); + + if (!trans) + return 1; + + input_event(field->hidinput->input, usage->type, + trans->to, trans->press); + + return 1; +} + +static int icade_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + const struct icade_key *trans; + + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_KEYBOARD) { + trans = icade_find_translation(usage->hid & HID_USAGE); + + if (!trans) + return -1; + + hid_map_usage(hi, usage, bit, max, EV_KEY, trans->to); + set_bit(trans->to, hi->input->keybit); + + return 1; + } + + /* ignore others */ + return -1; + +} + +static int icade_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->type == EV_KEY) + set_bit(usage->type, hi->input->evbit); + + return -1; +} + +static const struct hid_device_id icade_devices[] = { + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, + + { } +}; +MODULE_DEVICE_TABLE(hid, icade_devices); + +static struct hid_driver icade_driver = { + .name = "icade", + .id_table = icade_devices, + .event = icade_event, + .input_mapped = icade_input_mapped, + .input_mapping = icade_input_mapping, +}; +module_hid_driver(icade_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>"); +MODULE_DESCRIPTION("ION iCade input driver"); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 3341baa86a3..48b66bbffc9 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley */ /* @@ -21,6 +20,7 @@ #define USB_VENDOR_ID_3M 0x0596 #define USB_DEVICE_ID_3M1968 0x0500 #define USB_DEVICE_ID_3M2256 0x0502 +#define USB_DEVICE_ID_3M3266 0x0506 #define USB_VENDOR_ID_A4TECH 0x09da #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006 @@ -37,7 +37,10 @@ #define USB_VENDOR_ID_ACRUX 0x1a34 -#define USB_VENDOR_ID_ADS_TECH 0x06e1 +#define USB_VENDOR_ID_ACTIONSTAR 0x2101 +#define USB_DEVICE_ID_ACTIONSTAR_1011 0x1011 + +#define USB_VENDOR_ID_ADS_TECH 0x06e1 #define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X 0xa155 #define USB_VENDOR_ID_AFATECH 0x15a4 @@ -55,12 +58,18 @@ #define USB_VENDOR_ID_AIRCABLE 0x16CA #define USB_DEVICE_ID_AIRCABLE1 0x1502 +#define USB_VENDOR_ID_AIREN 0x1a2c +#define USB_DEVICE_ID_AIREN_SLIMPLUS 0x0002 + #define USB_VENDOR_ID_ALCOR 0x058f #define USB_DEVICE_ID_ALCOR_USBRS232 0x9720 #define USB_VENDOR_ID_ALPS 0x0433 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101 +#define USB_VENDOR_ID_ANTON 0x1130 +#define USB_DEVICE_ID_ANTON_TOUCH_PAD 0x3101 + #define USB_VENDOR_ID_APPLE 0x05ac #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 #define USB_DEVICE_ID_APPLE_MAGICMOUSE 0x030d @@ -97,13 +106,49 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236 #define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237 #define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238 +#define USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI 0x023f +#define USB_DEVICE_ID_APPLE_WELLSPRING4_ISO 0x0240 +#define USB_DEVICE_ID_APPLE_WELLSPRING4_JIS 0x0241 +#define USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI 0x0242 +#define USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO 0x0243 +#define USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS 0x0244 +#define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI 0x0245 +#define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO 0x0246 +#define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS 0x0247 +#define USB_DEVICE_ID_APPLE_ALU_REVB_ANSI 0x024f +#define USB_DEVICE_ID_APPLE_ALU_REVB_ISO 0x0250 +#define USB_DEVICE_ID_APPLE_ALU_REVB_JIS 0x0251 +#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252 +#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253 +#define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249 +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b +#define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI 0x024c +#define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO 0x024d +#define USB_DEVICE_ID_APPLE_WELLSPRING6_JIS 0x024e +#define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262 +#define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263 +#define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI 0x0239 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO 0x023a #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS 0x023b +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI 0x0255 +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO 0x0256 +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS 0x0257 +#define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290 +#define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291 +#define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b -#define USB_DEVICE_ID_APPLE_ATV_IRCONTROL 0x8241 +#define USB_DEVICE_ID_APPLE_IRCONTROL 0x8240 +#define USB_DEVICE_ID_APPLE_IRCONTROL2 0x1440 +#define USB_DEVICE_ID_APPLE_IRCONTROL3 0x8241 #define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242 +#define USB_DEVICE_ID_APPLE_IRCONTROL5 0x8243 #define USB_VENDOR_ID_ASUS 0x0486 #define USB_DEVICE_ID_ASUS_T91MT 0x0185 @@ -120,9 +165,24 @@ #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 +#define USB_VENDOR_ID_ATMEL 0x03eb +#define USB_DEVICE_ID_ATMEL_MULTITOUCH 0x211c +#define USB_DEVICE_ID_ATMEL_MXT_DIGITIZER 0x2118 +#define USB_VENDOR_ID_ATMEL_V_USB 0x16c0 +#define USB_DEVICE_ID_ATMEL_V_USB 0x05df + +#define USB_VENDOR_ID_AUREAL 0x0755 +#define USB_DEVICE_ID_AUREAL_W01RN 0x2626 + #define USB_VENDOR_ID_AVERMEDIA 0x07ca #define USB_DEVICE_ID_AVER_FM_MR800 0xb800 +#define USB_VENDOR_ID_AXENTIA 0x12cf +#define USB_DEVICE_ID_AXENTIA_FM_RADIO 0x7111 + +#define USB_VENDOR_ID_BAANTO 0x2453 +#define USB_DEVICE_ID_BAANTO_MT_190W2 0x0100 + #define USB_VENDOR_ID_BELKIN 0x050d #define USB_DEVICE_ID_FLIP_KVM 0x3201 @@ -134,12 +194,16 @@ #define USB_DEVICE_ID_BTC_EMPREX_REMOTE_2 0x5577 #define USB_VENDOR_ID_CANDO 0x2087 +#define USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH 0x0703 #define USB_DEVICE_ID_CANDO_MULTI_TOUCH 0x0a01 +#define USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1 0x0a02 #define USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6 0x0b03 #define USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6 0x0f01 #define USB_VENDOR_ID_CH 0x068e +#define USB_DEVICE_ID_CH_PRO_THROTTLE 0x00f1 #define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2 +#define USB_DEVICE_ID_CH_FIGHTERSTICK 0x00f3 #define USB_DEVICE_ID_CH_COMBATSTICK 0x00f4 #define USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE 0x0051 #define USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE 0x00ff @@ -156,6 +220,12 @@ #define USB_VENDOR_ID_CHICONY 0x04f2 #define USB_DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418 #define USB_DEVICE_ID_CHICONY_MULTI_TOUCH 0xb19d +#define USB_DEVICE_ID_CHICONY_WIRELESS 0x0618 +#define USB_DEVICE_ID_CHICONY_WIRELESS2 0x1123 +#define USB_DEVICE_ID_CHICONY_AK1D 0x1125 + +#define USB_VENDOR_ID_CHUNGHWAT 0x2247 +#define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH 0x0001 #define USB_VENDOR_ID_CIDC 0x1677 @@ -169,8 +239,15 @@ #define USB_VENDOR_ID_CREATIVELABS 0x041e #define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801 +#define USB_VENDOR_ID_CVTOUCH 0x1ff7 +#define USB_DEVICE_ID_CVTOUCH_SCREEN 0x0013 + #define USB_VENDOR_ID_CYGNAL 0x10c4 #define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a +#define USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH 0x81b9 +#define USB_DEVICE_ID_CYGNAL_CP2112 0xea90 + +#define USB_DEVICE_ID_CYGNAL_RADIO_SI4713 0x8244 #define USB_VENDOR_ID_CYPRESS 0x04b4 #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001 @@ -179,6 +256,11 @@ #define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 #define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 #define USB_DEVICE_ID_CYPRESS_BARCODE_3 0xbca1 +#define USB_DEVICE_ID_CYPRESS_BARCODE_4 0xed81 +#define USB_DEVICE_ID_CYPRESS_TRUETOUCH 0xc001 + +#define USB_VENDOR_ID_DATA_MODUL 0x7374 +#define USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH 0x1201 #define USB_VENDOR_ID_DEALEXTREAME 0x10c5 #define USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701 0x819a @@ -194,15 +276,44 @@ #define USB_VENDOR_ID_DWAV 0x0eef #define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER 0x0001 -#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH 0x480d -#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1 0x720c +#define USB_DEVICE_ID_DWAV_TOUCHCONTROLLER 0x0002 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D 0x480d +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E 0x480e +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207 0x7207 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C 0x720c +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224 0x7224 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A 0x722A +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E 0x725e +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262 0x7262 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B 0x726b +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1 0x72a1 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA 0x72aa +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4 0x72c4 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0 0x72d0 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA 0x72fa +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302 0x7302 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349 0x7349 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7 0x73f7 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001 #define USB_VENDOR_ID_ELECOM 0x056e #define USB_DEVICE_ID_ELECOM_BM084 0x0061 +#define USB_VENDOR_ID_DREAM_CHEEKY 0x1d34 + +#define USB_VENDOR_ID_ELITEGROUP 0x03fc +#define USB_DEVICE_ID_ELITEGROUP_05D8 0x05d8 + #define USB_VENDOR_ID_ELO 0x04E7 +#define USB_DEVICE_ID_ELO_TS2515 0x0022 #define USB_DEVICE_ID_ELO_TS2700 0x0020 +#define USB_VENDOR_ID_EMS 0x2006 +#define USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II 0x0118 + +#define USB_VENDOR_ID_FLATFROG 0x25b5 +#define USB_DEVICE_ID_MULTITOUCH_3200 0x0002 + #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100 @@ -212,15 +323,32 @@ #define USB_VENDOR_ID_ETURBOTOUCH 0x22b9 #define USB_DEVICE_ID_ETURBOTOUCH 0x0006 +#define USB_DEVICE_ID_ETURBOTOUCH_2968 0x2968 #define USB_VENDOR_ID_EZKEY 0x0518 #define USB_DEVICE_ID_BTC_8193 0x0002 +#define USB_VENDOR_ID_FORMOSA 0x147a +#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER 0xe03e + +#define USB_VENDOR_ID_FREESCALE 0x15A2 +#define USB_DEVICE_ID_FREESCALE_MX28 0x004F + +#define USB_VENDOR_ID_FRUCTEL 0x25B6 +#define USB_DEVICE_ID_GAMETEL_MT_MODE 0x0002 + #define USB_VENDOR_ID_GAMERON 0x0810 #define USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR 0x0001 #define USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR 0x0002 #define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0003 +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS 0x0100 +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101 0x0101 +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102 0x0102 +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106 0x0106 +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A 0x010a +#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100 #define USB_VENDOR_ID_GLAB 0x06c2 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038 @@ -232,12 +360,16 @@ #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058 +#define USB_VENDOR_ID_GOODTOUCH 0x1aad +#define USB_DEVICE_ID_GOODTOUCH_000f 0x000f + #define USB_VENDOR_ID_GOTOP 0x08f2 #define USB_DEVICE_ID_SUPER_Q2 0x007f #define USB_DEVICE_ID_GOGOPEN 0x00ce #define USB_DEVICE_ID_PENPOWER 0x00f4 #define USB_VENDOR_ID_GREENASIA 0x0e8f +#define USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD 0x3013 #define USB_VENDOR_ID_GRETAGMACBETH 0x0971 #define USB_DEVICE_ID_GRETAGMACBETH_HUEY 0x2005 @@ -245,6 +377,7 @@ #define USB_VENDOR_ID_GRIFFIN 0x077d #define USB_DEVICE_ID_POWERMATE 0x0410 #define USB_DEVICE_ID_SOUNDKNOB 0x04AA +#define USB_DEVICE_ID_RADIOSHARK 0x627a #define USB_VENDOR_ID_GTCO 0x078c #define USB_DEVICE_ID_GTCO_90 0x0090 @@ -303,17 +436,66 @@ #define USB_DEVICE_ID_HANWANG_TABLET_FIRST 0x5000 #define USB_DEVICE_ID_HANWANG_TABLET_LAST 0x8fff +#define USB_VENDOR_ID_HANVON 0x20b3 +#define USB_DEVICE_ID_HANVON_MULTITOUCH 0x0a18 + +#define USB_VENDOR_ID_HANVON_ALT 0x22ed +#define USB_DEVICE_ID_HANVON_ALT_MULTITOUCH 0x1010 + #define USB_VENDOR_ID_HAPP 0x078b #define USB_DEVICE_ID_UGCI_DRIVING 0x0010 #define USB_DEVICE_ID_UGCI_FLYING 0x0020 #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030 +#define USB_VENDOR_ID_HUION 0x256c +#define USB_DEVICE_ID_HUION_580 0x006e + +#define USB_VENDOR_ID_IDEACOM 0x1cb6 +#define USB_DEVICE_ID_IDEACOM_IDC6650 0x6650 +#define USB_DEVICE_ID_IDEACOM_IDC6651 0x6651 + +#define USB_VENDOR_ID_ILITEK 0x222a +#define USB_DEVICE_ID_ILITEK_MULTITOUCH 0x0001 + +#define USB_VENDOR_ID_INTEL_0 0x8086 +#define USB_VENDOR_ID_INTEL_1 0x8087 +#define USB_DEVICE_ID_INTEL_HID_SENSOR_0 0x09fa +#define USB_DEVICE_ID_INTEL_HID_SENSOR_1 0x0a04 + +#define USB_VENDOR_ID_STM_0 0x0483 +#define USB_DEVICE_ID_STM_HID_SENSOR 0x91d1 +#define USB_DEVICE_ID_STM_HID_SENSOR_1 0x9100 + +#define USB_VENDOR_ID_ION 0x15e4 +#define USB_DEVICE_ID_ICADE 0x0132 + +#define USB_VENDOR_ID_HOLTEK 0x1241 +#define USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP 0x5015 + +#define USB_VENDOR_ID_HOLTEK_ALT 0x04d9 +#define USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD 0xa055 +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A 0xa04a +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067 0xa067 +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070 0xa070 +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072 0xa072 +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081 0xa081 + #define USB_VENDOR_ID_IMATION 0x0718 #define USB_DEVICE_ID_DISC_STAKKA 0xd000 +#define USB_VENDOR_ID_IRTOUCHSYSTEMS 0x6615 +#define USB_DEVICE_ID_IRTOUCH_INFRARED_USB 0x0070 + +#define USB_VENDOR_ID_JABRA 0x0b0e +#define USB_DEVICE_ID_JABRA_SPEAK_410 0x0412 +#define USB_DEVICE_ID_JABRA_SPEAK_510 0x0420 + #define USB_VENDOR_ID_JESS 0x0c45 #define USB_DEVICE_ID_JESS_YUREX 0x1010 +#define USB_VENDOR_ID_JESS2 0x0f30 +#define USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD 0x0111 + #define USB_VENDOR_ID_KBGEAR 0x084e #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001 @@ -323,57 +505,110 @@ #define USB_VENDOR_ID_KWORLD 0x1b80 #define USB_DEVICE_ID_KWORLD_RADIO_FM700 0xd700 +#define USB_VENDOR_ID_KEYTOUCH 0x0926 +#define USB_DEVICE_ID_KEYTOUCH_IEC 0x3333 + #define USB_VENDOR_ID_KYE 0x0458 #define USB_DEVICE_ID_KYE_ERGO_525V 0x0087 +#define USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE 0x0138 +#define USB_DEVICE_ID_GENIUS_MANTICORE 0x0153 +#define USB_DEVICE_ID_GENIUS_GX_IMPERATOR 0x4018 #define USB_DEVICE_ID_KYE_GPEN_560 0x5003 +#define USB_DEVICE_ID_KYE_EASYPEN_I405X 0x5010 +#define USB_DEVICE_ID_KYE_MOUSEPEN_I608X 0x5011 +#define USB_DEVICE_ID_KYE_EASYPEN_M610X 0x5013 #define USB_VENDOR_ID_LABTEC 0x1020 #define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 +#define USB_VENDOR_ID_LCPOWER 0x1241 +#define USB_DEVICE_ID_LCPOWER_LC1000 0xf767 + #define USB_VENDOR_ID_LD 0x0f11 #define USB_DEVICE_ID_LD_CASSY 0x1000 +#define USB_DEVICE_ID_LD_CASSY2 0x1001 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010 +#define USB_DEVICE_ID_LD_POCKETCASSY2 0x1011 #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020 +#define USB_DEVICE_ID_LD_MOBILECASSY2 0x1021 +#define USB_DEVICE_ID_LD_MICROCASSYVOLTAGE 0x1031 +#define USB_DEVICE_ID_LD_MICROCASSYCURRENT 0x1032 +#define USB_DEVICE_ID_LD_MICROCASSYTIME 0x1033 +#define USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE 0x1035 +#define USB_DEVICE_ID_LD_MICROCASSYPH 0x1038 #define USB_DEVICE_ID_LD_JWM 0x1080 #define USB_DEVICE_ID_LD_DMMP 0x1081 #define USB_DEVICE_ID_LD_UMIP 0x1090 -#define USB_DEVICE_ID_LD_XRAY1 0x1100 +#define USB_DEVICE_ID_LD_UMIC 0x10A0 +#define USB_DEVICE_ID_LD_UMIB 0x10B0 +#define USB_DEVICE_ID_LD_XRAY 0x1100 #define USB_DEVICE_ID_LD_XRAY2 0x1101 +#define USB_DEVICE_ID_LD_XRAYCT 0x1110 #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200 +#define USB_DEVICE_ID_LD_MOTOR 0x1210 #define USB_DEVICE_ID_LD_COM3LAB 0x2000 #define USB_DEVICE_ID_LD_TELEPORT 0x2010 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020 #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040 +#define USB_DEVICE_ID_LD_MOSTANALYSER 0x2050 +#define USB_DEVICE_ID_LD_MOSTANALYSER2 0x2051 +#define USB_DEVICE_ID_LD_ABSESP 0x2060 +#define USB_DEVICE_ID_LD_AUTODATABUS 0x2070 +#define USB_DEVICE_ID_LD_MCT 0x2080 +#define USB_DEVICE_ID_LD_HYBRID 0x2090 +#define USB_DEVICE_ID_LD_HEATCONTROL 0x20A0 + +#define USB_VENDOR_ID_LENOVO 0x17ef +#define USB_DEVICE_ID_LENOVO_TPKBD 0x6009 + +#define USB_VENDOR_ID_LG 0x1fd2 +#define USB_DEVICE_ID_LG_MULTITOUCH 0x0064 #define USB_VENDOR_ID_LOGITECH 0x046d +#define USB_DEVICE_ID_LOGITECH_AUDIOHUB 0x0a0e #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 #define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 #define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f +#define USB_DEVICE_ID_LOGITECH_HARMONY_PS3 0x0306 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD 0xc20a #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD 0xc211 #define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 +#define USB_DEVICE_ID_LOGITECH_DUAL_ACTION 0xc216 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2 0xc218 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2 0xc219 #define USB_DEVICE_ID_LOGITECH_WINGMAN_F3D 0xc283 #define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 #define USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940 0xc287 -#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_WINGMAN_FFG 0xc293 +#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 +#define USB_DEVICE_ID_LOGITECH_DFP_WHEEL 0xc298 #define USB_DEVICE_ID_LOGITECH_G25_WHEEL 0xc299 +#define USB_DEVICE_ID_LOGITECH_DFGT_WHEEL 0xc29a +#define USB_DEVICE_ID_LOGITECH_G27_WHEEL 0xc29b #define USB_DEVICE_ID_LOGITECH_WII_WHEEL 0xc29c #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a #define USB_DEVICE_ID_S510_RECEIVER 0xc50c #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 #define USB_DEVICE_ID_MX3000_RECEIVER 0xc513 +#define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER 0xc52b +#define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2 0xc532 #define USB_DEVICE_ID_SPACETRAVELLER 0xc623 #define USB_DEVICE_ID_SPACENAVIGATOR 0xc626 #define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 #define USB_DEVICE_ID_DINOVO_EDGE 0xc714 #define USB_DEVICE_ID_DINOVO_MINI 0xc71f #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2 0xca03 +#define USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL 0xca04 + +#define USB_VENDOR_ID_LUMIO 0x202e +#define USB_DEVICE_ID_CRYSTALTOUCH 0x0006 +#define USB_DEVICE_ID_CRYSTALTOUCH_DUAL 0x0007 + +#define USB_VENDOR_ID_MADCATZ 0x0738 +#define USB_DEVICE_ID_MADCATZ_BEATPAD 0x4540 #define USB_VENDOR_ID_MCC 0x09db #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 @@ -391,11 +626,18 @@ #define USB_VENDOR_ID_MICROSOFT 0x045e #define USB_DEVICE_ID_SIDEWINDER_GV 0x003b +#define USB_DEVICE_ID_MS_OFFICE_KB 0x0048 #define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d #define USB_DEVICE_ID_MS_NE4K 0x00db +#define USB_DEVICE_ID_MS_NE4K_JP 0x00dc #define USB_DEVICE_ID_MS_LK6K 0x00f9 #define USB_DEVICE_ID_MS_PRESENTER_8K_BT 0x0701 #define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730 +#define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c +#define USB_DEVICE_ID_MS_SURFACE_PRO_2 0x0799 +#define USB_DEVICE_ID_MS_TOUCH_COVER_2 0x07a7 +#define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9 #define USB_VENDOR_ID_MOJO 0x8282 #define USB_DEVICE_ID_RETRO_ADAPTER 0x3201 @@ -403,6 +645,9 @@ #define USB_VENDOR_ID_MONTEREY 0x0566 #define USB_DEVICE_ID_GENIUS_KB29E 0x3004 +#define USB_VENDOR_ID_MSI 0x1770 +#define USB_DEVICE_ID_MSI_GX680R_LED_PANEL 0xff00 + #define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400 #define USB_DEVICE_ID_N_S_HARMONY 0xc359 @@ -416,9 +661,21 @@ #define USB_VENDOR_ID_NEC 0x073e #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 +#define USB_VENDOR_ID_NEXIO 0x1870 +#define USB_DEVICE_ID_NEXIO_MULTITOUCH_420 0x010d +#define USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750 0x0110 + #define USB_VENDOR_ID_NEXTWINDOW 0x1926 #define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN 0x0003 +#define USB_VENDOR_ID_NINTENDO 0x057e +#define USB_DEVICE_ID_NINTENDO_WIIMOTE 0x0306 +#define USB_DEVICE_ID_NINTENDO_WIIMOTE2 0x0330 + +#define USB_VENDOR_ID_NOVATEK 0x0603 +#define USB_DEVICE_ID_NOVATEK_PCT 0x0600 +#define USB_DEVICE_ID_NOVATEK_MOUSE 0x1602 + #define USB_VENDOR_ID_NTRIG 0x1b96 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1 0x0003 @@ -439,18 +696,29 @@ #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16 0x0012 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17 0x0013 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18 0x0014 +#define USB_DEVICE_ID_NTRIG_DUOSENSE 0x1500 #define USB_VENDOR_ID_ONTRAK 0x0a07 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 #define USB_VENDOR_ID_ORTEK 0x05a4 +#define USB_DEVICE_ID_ORTEK_PKB1700 0x1700 #define USB_DEVICE_ID_ORTEK_WKB2000 0x2000 +#define USB_VENDOR_ID_PANASONIC 0x04da +#define USB_DEVICE_ID_PANABOARD_UBT780 0x1044 +#define USB_DEVICE_ID_PANABOARD_UBT880 0x104d + #define USB_VENDOR_ID_PANJIT 0x134c #define USB_VENDOR_ID_PANTHERLORD 0x0810 #define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001 +#define USB_VENDOR_ID_PENMOUNT 0x14e1 +#define USB_DEVICE_ID_PENMOUNT_PCI 0x3500 +#define USB_DEVICE_ID_PENMOUNT_1610 0x1610 +#define USB_DEVICE_ID_PENMOUNT_1640 0x1640 + #define USB_VENDOR_ID_PETALYNX 0x18b1 #define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 @@ -460,6 +728,11 @@ #define USB_VENDOR_ID_PI_ENGINEERING 0x05f3 #define USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL 0xff +#define USB_VENDOR_ID_PIXART 0x093a +#define USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN 0x8001 +#define USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1 0x8002 +#define USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2 0x8003 + #define USB_VENDOR_ID_PLAYDOTCOM 0x0b43 #define USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII 0x0003 @@ -470,24 +743,71 @@ #define USB_DEVICE_ID_PRODIGE_CORDLESS 0x3062 #define USB_VENDOR_ID_QUANTA 0x0408 -#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH 0x3000 -#define USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN 0x3001 +#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH 0x3000 +#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001 0x3001 +#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008 0x3008 + +#define USB_VENDOR_ID_REALTEK 0x0bda +#define USB_DEVICE_ID_REALTEK_READER 0x0152 #define USB_VENDOR_ID_ROCCAT 0x1e7d +#define USB_DEVICE_ID_ROCCAT_ARVO 0x30d4 +#define USB_DEVICE_ID_ROCCAT_ISKU 0x319c +#define USB_DEVICE_ID_ROCCAT_ISKUFX 0x3264 #define USB_DEVICE_ID_ROCCAT_KONE 0x2ced +#define USB_DEVICE_ID_ROCCAT_KONEPLUS 0x2d51 +#define USB_DEVICE_ID_ROCCAT_KONEPURE 0x2dbe +#define USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL 0x2db4 +#define USB_DEVICE_ID_ROCCAT_KONEXTD 0x2e22 +#define USB_DEVICE_ID_ROCCAT_KOVAPLUS 0x2d50 +#define USB_DEVICE_ID_ROCCAT_LUA 0x2c2e #define USB_DEVICE_ID_ROCCAT_PYRA_WIRED 0x2c24 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS 0x2cf6 +#define USB_DEVICE_ID_ROCCAT_RYOS_MK 0x3138 +#define USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW 0x31ce +#define USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO 0x3232 +#define USB_DEVICE_ID_ROCCAT_SAVU 0x2d5a #define USB_VENDOR_ID_SAITEK 0x06a3 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17 +#define USB_DEVICE_ID_SAITEK_PS1000 0x0621 +#define USB_DEVICE_ID_SAITEK_RAT7 0x0cd7 +#define USB_DEVICE_ID_SAITEK_MMO7 0x0cd0 #define USB_VENDOR_ID_SAMSUNG 0x0419 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 #define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE 0x0600 +#define USB_VENDOR_ID_SEMICO 0x1a2c +#define USB_DEVICE_ID_SEMICO_USB_KEYKOARD 0x0023 + +#define USB_VENDOR_ID_SENNHEISER 0x1395 +#define USB_DEVICE_ID_SENNHEISER_BTD500USB 0x002c + +#define USB_VENDOR_ID_SIGMA_MICRO 0x1c4f +#define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD 0x0002 + +#define USB_VENDOR_ID_SIGMATEL 0x066F +#define USB_DEVICE_ID_SIGMATEL_STMP3780 0x3780 + +#define USB_VENDOR_ID_SIS_TOUCH 0x0457 +#define USB_DEVICE_ID_SIS9200_TOUCH 0x9200 +#define USB_DEVICE_ID_SIS817_TOUCH 0x0817 +#define USB_DEVICE_ID_SIS_TS 0x1013 +#define USB_DEVICE_ID_SIS1030_TOUCH 0x1030 + +#define USB_VENDOR_ID_SKYCABLE 0x1223 +#define USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER 0x3F07 + #define USB_VENDOR_ID_SONY 0x054c #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b +#define USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE 0x0374 +#define USB_DEVICE_ID_SONY_PS3_BDREMOTE 0x0306 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 +#define USB_DEVICE_ID_SONY_PS4_CONTROLLER 0x05c4 +#define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER 0x042f +#define USB_DEVICE_ID_SONY_BUZZ_CONTROLLER 0x0002 +#define USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER 0x1000 #define USB_VENDOR_ID_SOUNDGRAPH 0x15c2 #define USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST 0x0034 @@ -502,26 +822,66 @@ #define USB_VENDOR_ID_STANTUM_SITRONIX 0x1403 #define USB_DEVICE_ID_MTP_SITRONIX 0x5001 +#define USB_VENDOR_ID_STEELSERIES 0x1038 +#define USB_DEVICE_ID_STEELSERIES_SRWS1 0x1410 + #define USB_VENDOR_ID_SUN 0x0430 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab #define USB_VENDOR_ID_SUNPLUS 0x04fc #define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8 +#define USB_VENDOR_ID_SYMBOL 0x05e0 +#define USB_DEVICE_ID_SYMBOL_SCANNER_1 0x0800 +#define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300 + +#define USB_VENDOR_ID_SYNAPTICS 0x06cb +#define USB_DEVICE_ID_SYNAPTICS_TP 0x0001 +#define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002 +#define USB_DEVICE_ID_SYNAPTICS_CPAD 0x0003 +#define USB_DEVICE_ID_SYNAPTICS_TS 0x0006 +#define USB_DEVICE_ID_SYNAPTICS_STICK 0x0007 +#define USB_DEVICE_ID_SYNAPTICS_WP 0x0008 +#define USB_DEVICE_ID_SYNAPTICS_COMP_TP 0x0009 +#define USB_DEVICE_ID_SYNAPTICS_WTP 0x0010 +#define USB_DEVICE_ID_SYNAPTICS_DPAD 0x0013 +#define USB_DEVICE_ID_SYNAPTICS_LTS1 0x0af8 +#define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10 +#define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3 +#define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3 +#define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710 + +#define USB_VENDOR_ID_TEXAS_INSTRUMENTS 0x2047 +#define USB_DEVICE_ID_TEXAS_INSTRUMENTS_LENOVO_YOGA 0x0855 + +#define USB_VENDOR_ID_THINGM 0x27b8 +#define USB_DEVICE_ID_BLINK1 0x01ed + #define USB_VENDOR_ID_THRUSTMASTER 0x044f +#define USB_VENDOR_ID_TIVO 0x150a +#define USB_DEVICE_ID_TIVO_SLIDE_BT 0x1200 +#define USB_DEVICE_ID_TIVO_SLIDE 0x1201 + #define USB_VENDOR_ID_TOPSEED 0x0766 #define USB_DEVICE_ID_TOPSEED_CYBERLINK 0x0204 #define USB_VENDOR_ID_TOPSEED2 0x1784 #define USB_DEVICE_ID_TOPSEED2_RF_COMBO 0x0004 +#define USB_DEVICE_ID_TOPSEED2_PERIPAD_701 0x0016 #define USB_VENDOR_ID_TOPMAX 0x0663 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 +#define USB_VENDOR_ID_TOUCH_INTL 0x1e5e +#define USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH 0x0313 + #define USB_VENDOR_ID_TOUCHPACK 0x1bfd #define USB_DEVICE_ID_TOUCHPACK_RTS 0x1688 +#define USB_VENDOR_ID_TPV 0x25aa +#define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN 0x8883 + #define USB_VENDOR_ID_TURBOX 0x062a #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 #define USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART 0x7100 @@ -532,9 +892,23 @@ #define USB_VENDOR_ID_UCLOGIC 0x5543 #define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209 0x0042 #define USB_DEVICE_ID_UCLOGIC_TABLET_KNA5 0x6001 +#define USB_DEVICE_ID_UCLOGIC_TABLET_TWA60 0x0064 #define USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U 0x0003 #define USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U 0x0004 #define USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U 0x0005 +#define USB_DEVICE_ID_UCLOGIC_TABLET_WP1062 0x0064 +#define USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850 0x0522 +#define USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60 0x0781 + +#define USB_VENDOR_ID_UNITEC 0x227d +#define USB_DEVICE_ID_UNITEC_USB_TOUCH_0709 0x0709 +#define USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19 0x0a19 + +#define USB_VENDOR_ID_VELLEMAN 0x10cf +#define USB_DEVICE_ID_VELLEMAN_K8055_FIRST 0x5500 +#define USB_DEVICE_ID_VELLEMAN_K8055_LAST 0x5503 +#define USB_DEVICE_ID_VELLEMAN_K8061_FIRST 0x8061 +#define USB_DEVICE_ID_VELLEMAN_K8061_LAST 0x8068 #define USB_VENDOR_ID_VERNIER 0x08f7 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 @@ -545,24 +919,55 @@ #define USB_VENDOR_ID_WACOM 0x056a #define USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH 0x81 +#define USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH 0x00BD #define USB_VENDOR_ID_WALTOP 0x172f #define USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH 0x0032 #define USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH 0x0034 +#define USB_DEVICE_ID_WALTOP_Q_PAD 0x0037 +#define USB_DEVICE_ID_WALTOP_PID_0038 0x0038 #define USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH 0x0501 #define USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH 0x0500 +#define USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET 0x0502 #define USB_VENDOR_ID_WISEGROUP 0x0925 #define USB_DEVICE_ID_SMARTJOY_PLUS 0x0005 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104 #define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201 +#define USB_DEVICE_ID_SUPER_JOY_BOX_3 0x8888 #define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866 #define USB_VENDOR_ID_WISEGROUP_LTD 0x6666 #define USB_VENDOR_ID_WISEGROUP_LTD2 0x6677 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802 +#define USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO 0x8801 +#define USB_DEVICE_ID_SUPER_DUAL_BOX_PRO 0x8802 +#define USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO 0x8804 + +#define USB_VENDOR_ID_WISTRON 0x0fb8 +#define USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH 0x1109 + +#define USB_VENDOR_ID_X_TENSIONS 0x1ae7 +#define USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE 0x9001 + +#define USB_VENDOR_ID_XAT 0x2505 +#define USB_DEVICE_ID_XAT_CSR 0x0220 + +#define USB_VENDOR_ID_XIN_MO 0x16c0 +#define USB_DEVICE_ID_XIN_MO_DUAL_ARCADE 0x05e1 + +#define USB_VENDOR_ID_XIROKU 0x1477 +#define USB_DEVICE_ID_XIROKU_SPX 0x1006 +#define USB_DEVICE_ID_XIROKU_MPX 0x1007 +#define USB_DEVICE_ID_XIROKU_CSR 0x100e +#define USB_DEVICE_ID_XIROKU_SPX1 0x1021 +#define USB_DEVICE_ID_XIROKU_CSR1 0x1022 +#define USB_DEVICE_ID_XIROKU_MPX1 0x1023 +#define USB_DEVICE_ID_XIROKU_SPX2 0x1024 +#define USB_DEVICE_ID_XIROKU_CSR2 0x1025 +#define USB_DEVICE_ID_XIROKU_MPX2 0x1026 #define USB_VENDOR_ID_YEALINK 0x6993 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 @@ -572,4 +977,14 @@ #define USB_VENDOR_ID_ZYDACRON 0x13EC #define USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL 0x0006 +#define USB_VENDOR_ID_ZYTRONIC 0x14c8 +#define USB_DEVICE_ID_ZYTRONIC_ZXY100 0x0005 + +#define USB_VENDOR_ID_PRIMAX 0x0461 +#define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05 + + +#define USB_VENDOR_ID_RISO_KAGAKU 0x1294 /* Riso Kagaku Corp. */ +#define USB_DEVICE_ID_RI_KA_WEBMAIL 0x1320 /* Webmail Notifier */ + #endif diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index bb0b3659437..2619f7f4517 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -32,6 +32,8 @@ #include <linux/hid.h> #include <linux/hid-debug.h> +#include "hid-ids.h" + #define unk KEY_UNKNOWN static const unsigned char hid_keyboard[256] = { @@ -44,11 +46,11 @@ static const unsigned char hid_keyboard[256] = { 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, - 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk, unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk, unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, - unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk, 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk }; @@ -174,7 +176,7 @@ static int hidinput_setkeycode(struct input_dev *dev, clear_bit(*old_keycode, dev->keybit); set_bit(usage->code, dev->keybit); - dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", + dbg_hid("Assigned keycode %d to HID usage code %x\n", usage->code, usage->hid); /* @@ -203,10 +205,10 @@ static int hidinput_setkeycode(struct input_dev *dev, * * as seen in the HID specification v1.11 6.2.2.7 Global Items. * - * Only exponent 1 length units are processed. Centimeters are converted to - * inches. Degrees are converted to radians. + * Only exponent 1 length units are processed. Centimeters and inches are + * converted to millimeters. Degrees are converted to radians. */ -static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) +__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) { __s32 unit_exponent = field->unit_exponent; __s32 logical_extents = field->logical_maximum - @@ -223,18 +225,36 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) * Verify and convert units. * See HID specification v1.11 6.2.2.7 Global Items for unit decoding */ - if (code == ABS_X || code == ABS_Y || code == ABS_Z) { + switch (code) { + case ABS_X: + case ABS_Y: + case ABS_Z: + case ABS_MT_POSITION_X: + case ABS_MT_POSITION_Y: + case ABS_MT_TOOL_X: + case ABS_MT_TOOL_Y: + case ABS_MT_TOUCH_MAJOR: + case ABS_MT_TOUCH_MINOR: if (field->unit == 0x11) { /* If centimeters */ - /* Convert to inches */ - prev = logical_extents; - logical_extents *= 254; - if (logical_extents < prev) + /* Convert to millimeters */ + unit_exponent += 1; + } else if (field->unit == 0x13) { /* If inches */ + /* Convert to millimeters */ + prev = physical_extents; + physical_extents *= 254; + if (physical_extents < prev) return 0; - unit_exponent += 2; - } else if (field->unit != 0x13) { /* If not inches */ + unit_exponent -= 1; + } else { return 0; } - } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) { + break; + + case ABS_RX: + case ABS_RY: + case ABS_RZ: + case ABS_TILT_X: + case ABS_TILT_Y: if (field->unit == 0x14) { /* If degrees */ /* Convert to radians */ prev = logical_extents; @@ -245,7 +265,9 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) } else if (field->unit != 0x12) { /* If not radians */ return 0; } - } else { + break; + + default: return 0; } @@ -265,9 +287,186 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) } /* Calculate resolution */ - return logical_extents / physical_extents; + return DIV_ROUND_CLOSEST(logical_extents, physical_extents); +} +EXPORT_SYMBOL_GPL(hidinput_calc_abs_res); + +#ifdef CONFIG_HID_BATTERY_STRENGTH +static enum power_supply_property hidinput_battery_props[] = { + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_SCOPE, +}; + +#define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */ +#define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */ + +static const struct hid_device_id hid_battery_quirks[] = { + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), + HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), + HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), + HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, + {} +}; + +static unsigned find_battery_quirk(struct hid_device *hdev) +{ + unsigned quirks = 0; + const struct hid_device_id *match; + + match = hid_match_id(hdev, hid_battery_quirks); + if (match != NULL) + quirks = match->driver_data; + + return quirks; +} + +static int hidinput_get_battery_property(struct power_supply *psy, + enum power_supply_property prop, + union power_supply_propval *val) +{ + struct hid_device *dev = container_of(psy, struct hid_device, battery); + int ret = 0; + __u8 *buf; + + switch (prop) { + case POWER_SUPPLY_PROP_PRESENT: + case POWER_SUPPLY_PROP_ONLINE: + val->intval = 1; + break; + + case POWER_SUPPLY_PROP_CAPACITY: + + buf = kmalloc(2 * sizeof(__u8), GFP_KERNEL); + if (!buf) { + ret = -ENOMEM; + break; + } + ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2, + dev->battery_report_type, + HID_REQ_GET_REPORT); + + if (ret != 2) { + ret = -ENODATA; + kfree(buf); + break; + } + ret = 0; + + if (dev->battery_min < dev->battery_max && + buf[1] >= dev->battery_min && + buf[1] <= dev->battery_max) + val->intval = (100 * (buf[1] - dev->battery_min)) / + (dev->battery_max - dev->battery_min); + kfree(buf); + break; + + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = dev->name; + break; + + case POWER_SUPPLY_PROP_STATUS: + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + break; + + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; + + default: + ret = -EINVAL; + break; + } + + return ret; } +static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field) +{ + struct power_supply *battery = &dev->battery; + int ret; + unsigned quirks; + s32 min, max; + + if (field->usage->hid != HID_DC_BATTERYSTRENGTH) + return false; /* no match */ + + if (battery->name != NULL) + goto out; /* already initialized? */ + + battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq); + if (battery->name == NULL) + goto out; + + battery->type = POWER_SUPPLY_TYPE_BATTERY; + battery->properties = hidinput_battery_props; + battery->num_properties = ARRAY_SIZE(hidinput_battery_props); + battery->use_for_apm = 0; + battery->get_property = hidinput_get_battery_property; + + quirks = find_battery_quirk(dev); + + hid_dbg(dev, "device %x:%x:%x %d quirks %d\n", + dev->bus, dev->vendor, dev->product, dev->version, quirks); + + min = field->logical_minimum; + max = field->logical_maximum; + + if (quirks & HID_BATTERY_QUIRK_PERCENT) { + min = 0; + max = 100; + } + + if (quirks & HID_BATTERY_QUIRK_FEATURE) + report_type = HID_FEATURE_REPORT; + + dev->battery_min = min; + dev->battery_max = max; + dev->battery_report_type = report_type; + dev->battery_report_id = field->report->id; + + ret = power_supply_register(&dev->dev, battery); + if (ret != 0) { + hid_warn(dev, "can't register power supply: %d\n", ret); + kfree(battery->name); + battery->name = NULL; + } + + power_supply_powers(battery, &dev->dev); + +out: + return true; +} + +static void hidinput_cleanup_battery(struct hid_device *dev) +{ + if (!dev->battery.name) + return; + + power_supply_unregister(&dev->battery); + kfree(dev->battery.name); + dev->battery.name = NULL; +} +#else /* !CONFIG_HID_BATTERY_STRENGTH */ +static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, + struct hid_field *field) +{ + return false; +} + +static void hidinput_cleanup_battery(struct hid_device *dev) +{ +} +#endif /* CONFIG_HID_BATTERY_STRENGTH */ + static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, struct hid_usage *usage) { @@ -281,6 +480,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel if (field->flags & HID_MAIN_ITEM_CONSTANT) goto ignore; + /* Ignore if report count is out of bounds. */ + if (field->report_count < 1) + goto ignore; + /* only LED usages are supported in output fields */ if (field->report_type == HID_OUTPUT_REPORT && (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { @@ -316,21 +519,26 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel switch (field->application) { case HID_GD_MOUSE: - case HID_GD_POINTER: code += 0x110; break; + case HID_GD_POINTER: code += BTN_MOUSE; break; case HID_GD_JOYSTICK: if (code <= 0xf) code += BTN_JOYSTICK; else - code += BTN_TRIGGER_HAPPY; + code += BTN_TRIGGER_HAPPY - 0x10; + break; + case HID_GD_GAMEPAD: + if (code <= 0xf) + code += BTN_GAMEPAD; + else + code += BTN_TRIGGER_HAPPY - 0x10; break; - case HID_GD_GAMEPAD: code += 0x130; break; default: switch (field->physical) { case HID_GD_MOUSE: - case HID_GD_POINTER: code += 0x110; break; - case HID_GD_JOYSTICK: code += 0x120; break; - case HID_GD_GAMEPAD: code += 0x130; break; - default: code += 0x100; + case HID_GD_POINTER: code += BTN_MOUSE; break; + case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break; + case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; + default: code += BTN_MISC; } } @@ -354,6 +562,18 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x1: map_key_clear(KEY_POWER); break; case 0x2: map_key_clear(KEY_SLEEP); break; case 0x3: map_key_clear(KEY_WAKEUP); break; + case 0x4: map_key_clear(KEY_CONTEXT_MENU); break; + case 0x5: map_key_clear(KEY_MENU); break; + case 0x6: map_key_clear(KEY_PROG1); break; + case 0x7: map_key_clear(KEY_HELP); break; + case 0x8: map_key_clear(KEY_EXIT); break; + case 0x9: map_key_clear(KEY_SELECT); break; + case 0xa: map_key_clear(KEY_RIGHT); break; + case 0xb: map_key_clear(KEY_LEFT); break; + case 0xc: map_key_clear(KEY_UP); break; + case 0xd: map_key_clear(KEY_DOWN); break; + case 0xe: map_key_clear(KEY_POWER2); break; + case 0xf: map_key_clear(KEY_RESTART); break; default: goto unknown; } break; @@ -444,6 +664,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel map_key_clear(BTN_TOOL_RUBBER); break; + case 0x3d: /* X Tilt */ + map_abs_clear(ABS_TILT_X); + break; + + case 0x3e: /* Y Tilt */ + map_abs_clear(ABS_TILT_Y); + break; + case 0x33: /* Touch */ case 0x42: /* TipSwitch */ case 0x43: /* TipSwitch2 */ @@ -456,23 +684,58 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel break; case 0x46: /* TabletPick */ + case 0x5a: /* SecondaryBarrelSwitch */ map_key_clear(BTN_STYLUS2); break; + case 0x5b: /* TransducerSerialNumber */ + set_bit(MSC_SERIAL, input->mscbit); + break; + default: goto unknown; } break; - case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ + case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ switch (usage->hid & HID_USAGE) { case 0x000: goto ignore; + case 0x030: map_key_clear(KEY_POWER); break; + case 0x031: map_key_clear(KEY_RESTART); break; + case 0x032: map_key_clear(KEY_SLEEP); break; case 0x034: map_key_clear(KEY_SLEEP); break; + case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break; case 0x036: map_key_clear(BTN_MISC); break; - case 0x040: map_key_clear(KEY_MENU); break; - case 0x045: map_key_clear(KEY_RADIO); break; - + case 0x040: map_key_clear(KEY_MENU); break; /* Menu */ + case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */ + case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */ + case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */ + case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */ + case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */ + case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */ + case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ + case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ + + case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */ + case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */ + case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */ + case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */ + case 0x069: map_key_clear(KEY_RED); break; + case 0x06a: map_key_clear(KEY_GREEN); break; + case 0x06b: map_key_clear(KEY_BLUE); break; + case 0x06c: map_key_clear(KEY_YELLOW); break; + case 0x06d: map_key_clear(KEY_ZOOM); break; + + case 0x06f: map_key_clear(KEY_BRIGHTNESSUP); break; + case 0x070: map_key_clear(KEY_BRIGHTNESSDOWN); break; + case 0x072: map_key_clear(KEY_BRIGHTNESS_TOGGLE); break; + case 0x073: map_key_clear(KEY_BRIGHTNESS_MIN); break; + case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break; + case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break; + + case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; case 0x083: map_key_clear(KEY_LAST); break; + case 0x084: map_key_clear(KEY_ENTER); break; case 0x088: map_key_clear(KEY_PC); break; case 0x089: map_key_clear(KEY_TV); break; case 0x08a: map_key_clear(KEY_WWW); break; @@ -506,14 +769,19 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x0b7: map_key_clear(KEY_STOPCD); break; case 0x0b8: map_key_clear(KEY_EJECTCD); break; case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; + case 0x0b9: map_key_clear(KEY_SHUFFLE); break; + case 0x0bf: map_key_clear(KEY_SLOW); break; case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; + case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break; case 0x0e0: map_abs_clear(ABS_VOLUME); break; case 0x0e2: map_key_clear(KEY_MUTE); break; case 0x0e5: map_key_clear(KEY_BASSBOOST); break; case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; + case 0x0f5: map_key_clear(KEY_SLOW); break; + case 0x181: map_key_clear(KEY_BUTTONCONFIG); break; case 0x182: map_key_clear(KEY_BOOKMARKS); break; case 0x183: map_key_clear(KEY_CONFIG); break; case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; @@ -527,18 +795,29 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x18c: map_key_clear(KEY_VOICEMAIL); break; case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; case 0x18e: map_key_clear(KEY_CALENDAR); break; + case 0x18f: map_key_clear(KEY_TASKMANAGER); break; + case 0x190: map_key_clear(KEY_JOURNAL); break; case 0x191: map_key_clear(KEY_FINANCE); break; case 0x192: map_key_clear(KEY_CALC); break; + case 0x193: map_key_clear(KEY_PLAYER); break; case 0x194: map_key_clear(KEY_FILE); break; case 0x196: map_key_clear(KEY_WWW); break; case 0x199: map_key_clear(KEY_CHAT); break; case 0x19c: map_key_clear(KEY_LOGOFF); break; case 0x19e: map_key_clear(KEY_COFFEE); break; + case 0x19f: map_key_clear(KEY_CONTROLPANEL); break; + case 0x1a2: map_key_clear(KEY_APPSELECT); break; + case 0x1a3: map_key_clear(KEY_NEXT); break; + case 0x1a4: map_key_clear(KEY_PREVIOUS); break; case 0x1a6: map_key_clear(KEY_HELP); break; case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; - case 0x1b6: map_key_clear(KEY_MEDIA); break; - case 0x1b7: map_key_clear(KEY_SOUND); break; + case 0x1ae: map_key_clear(KEY_KEYBOARD); break; + case 0x1b1: map_key_clear(KEY_SCREENSAVER); break; + case 0x1b4: map_key_clear(KEY_FILE); break; + case 0x1b6: map_key_clear(KEY_IMAGES); break; + case 0x1b7: map_key_clear(KEY_AUDIO); break; + case 0x1b8: map_key_clear(KEY_VIDEO); break; case 0x1bc: map_key_clear(KEY_MESSENGER); break; case 0x1bd: map_key_clear(KEY_INFO); break; case 0x201: map_key_clear(KEY_NEW); break; @@ -567,7 +846,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x233: map_key_clear(KEY_SCROLLUP); break; case 0x234: map_key_clear(KEY_SCROLLDOWN); break; case 0x238: map_rel(REL_HWHEEL); break; + case 0x23d: map_key_clear(KEY_EDIT); break; case 0x25f: map_key_clear(KEY_CANCEL); break; + case 0x269: map_key_clear(KEY_INSERT); break; + case 0x26a: map_key_clear(KEY_DELETE); break; case 0x279: map_key_clear(KEY_REDO); break; case 0x289: map_key_clear(KEY_REPLY); break; @@ -578,6 +860,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } break; + case HID_UP_GENDEVCTRLS: + if (hidinput_setup_battery(device, HID_INPUT_REPORT, field)) + goto ignore; + else + goto unknown; + break; + case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ set_bit(EV_REP, input->evbit); switch (usage->hid & HID_USAGE) { @@ -597,6 +886,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } break; + case HID_UP_HPVENDOR2: + set_bit(EV_REP, input->evbit); + switch (usage->hid & HID_USAGE) { + case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break; + case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break; + default: goto ignore; + } + break; + case HID_UP_MSVENDOR: goto ignore; @@ -771,6 +1069,22 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct return; } + /* + * Ignore out-of-range values as per HID specification, + * section 5.10 and 6.2.25. + * + * The logical_minimum < logical_maximum check is done so that we + * don't unintentionally discard values sent by devices which + * don't specify logical min and max. + */ + if ((field->flags & HID_MAIN_ITEM_VARIABLE) && + (field->logical_minimum < field->logical_maximum) && + (value < field->logical_minimum || + value > field->logical_maximum)) { + dbg_hid("Ignoring out-of-range value %x\n", value); + return; + } + /* report the usage code as scancode if the key status has changed */ if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) input_event(input, EV_MSC, MSC_SCAN, usage->hid); @@ -810,18 +1124,249 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int } EXPORT_SYMBOL_GPL(hidinput_find_field); +struct hid_field *hidinput_get_led_field(struct hid_device *hid) +{ + struct hid_report *report; + struct hid_field *field; + int i, j; + + list_for_each_entry(report, + &hid->report_enum[HID_OUTPUT_REPORT].report_list, + list) { + for (i = 0; i < report->maxfield; i++) { + field = report->field[i]; + for (j = 0; j < field->maxusage; j++) + if (field->usage[j].type == EV_LED) + return field; + } + } + return NULL; +} +EXPORT_SYMBOL_GPL(hidinput_get_led_field); + +unsigned int hidinput_count_leds(struct hid_device *hid) +{ + struct hid_report *report; + struct hid_field *field; + int i, j; + unsigned int count = 0; + + list_for_each_entry(report, + &hid->report_enum[HID_OUTPUT_REPORT].report_list, + list) { + for (i = 0; i < report->maxfield; i++) { + field = report->field[i]; + for (j = 0; j < field->maxusage; j++) + if (field->usage[j].type == EV_LED && + field->value[j]) + count += 1; + } + } + return count; +} +EXPORT_SYMBOL_GPL(hidinput_count_leds); + +static void hidinput_led_worker(struct work_struct *work) +{ + struct hid_device *hid = container_of(work, struct hid_device, + led_work); + struct hid_field *field; + struct hid_report *report; + int len, ret; + __u8 *buf; + + field = hidinput_get_led_field(hid); + if (!field) + return; + + /* + * field->report is accessed unlocked regarding HID core. So there might + * be another incoming SET-LED request from user-space, which changes + * the LED state while we assemble our outgoing buffer. However, this + * doesn't matter as hid_output_report() correctly converts it into a + * boolean value no matter what information is currently set on the LED + * field (even garbage). So the remote device will always get a valid + * request. + * And in case we send a wrong value, a next led worker is spawned + * for every SET-LED request so the following worker will send the + * correct value, guaranteed! + */ + + report = field->report; + + /* use custom SET_REPORT request if possible (asynchronous) */ + if (hid->ll_driver->request) + return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); + + /* fall back to generic raw-output-report */ + len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + buf = hid_alloc_report_buf(report, GFP_KERNEL); + if (!buf) + return; + + hid_output_report(report, buf); + /* synchronous output report */ + ret = hid_hw_output_report(hid, buf, len); + if (ret == -ENOSYS) + hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, + HID_REQ_SET_REPORT); + kfree(buf); +} + +static int hidinput_input_event(struct input_dev *dev, unsigned int type, + unsigned int code, int value) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct hid_field *field; + int offset; + + if (type == EV_FF) + return input_ff_event(dev, type, code, value); + + if (type != EV_LED) + return -1; + + if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { + hid_warn(dev, "event field not found\n"); + return -1; + } + + hid_set_field(field, offset, value); + + schedule_work(&hid->led_work); + return 0; +} + static int hidinput_open(struct input_dev *dev) { struct hid_device *hid = input_get_drvdata(dev); - return hid->ll_driver->open(hid); + return hid_hw_open(hid); } static void hidinput_close(struct input_dev *dev) { struct hid_device *hid = input_get_drvdata(dev); - hid->ll_driver->close(hid); + hid_hw_close(hid); +} + +static void report_features(struct hid_device *hid) +{ + struct hid_driver *drv = hid->driver; + struct hid_report_enum *rep_enum; + struct hid_report *rep; + int i, j; + + rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; + list_for_each_entry(rep, &rep_enum->report_list, list) + for (i = 0; i < rep->maxfield; i++) { + /* Ignore if report count is out of bounds. */ + if (rep->field[i]->report_count < 1) + continue; + + for (j = 0; j < rep->field[i]->maxusage; j++) { + /* Verify if Battery Strength feature is available */ + hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]); + + if (drv->feature_mapping) + drv->feature_mapping(hid, rep->field[i], + rep->field[i]->usage + j); + } + } +} + +static struct hid_input *hidinput_allocate(struct hid_device *hid) +{ + struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); + struct input_dev *input_dev = input_allocate_device(); + if (!hidinput || !input_dev) { + kfree(hidinput); + input_free_device(input_dev); + hid_err(hid, "Out of memory during hid input probe\n"); + return NULL; + } + + input_set_drvdata(input_dev, hid); + input_dev->event = hidinput_input_event; + input_dev->open = hidinput_open; + input_dev->close = hidinput_close; + input_dev->setkeycode = hidinput_setkeycode; + input_dev->getkeycode = hidinput_getkeycode; + + input_dev->name = hid->name; + input_dev->phys = hid->phys; + input_dev->uniq = hid->uniq; + input_dev->id.bustype = hid->bus; + input_dev->id.vendor = hid->vendor; + input_dev->id.product = hid->product; + input_dev->id.version = hid->version; + input_dev->dev.parent = &hid->dev; + hidinput->input = input_dev; + list_add_tail(&hidinput->list, &hid->inputs); + + return hidinput; +} + +static bool hidinput_has_been_populated(struct hid_input *hidinput) +{ + int i; + unsigned long r = 0; + + for (i = 0; i < BITS_TO_LONGS(EV_CNT); i++) + r |= hidinput->input->evbit[i]; + + for (i = 0; i < BITS_TO_LONGS(KEY_CNT); i++) + r |= hidinput->input->keybit[i]; + + for (i = 0; i < BITS_TO_LONGS(REL_CNT); i++) + r |= hidinput->input->relbit[i]; + + for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++) + r |= hidinput->input->absbit[i]; + + for (i = 0; i < BITS_TO_LONGS(MSC_CNT); i++) + r |= hidinput->input->mscbit[i]; + + for (i = 0; i < BITS_TO_LONGS(LED_CNT); i++) + r |= hidinput->input->ledbit[i]; + + for (i = 0; i < BITS_TO_LONGS(SND_CNT); i++) + r |= hidinput->input->sndbit[i]; + + for (i = 0; i < BITS_TO_LONGS(FF_CNT); i++) + r |= hidinput->input->ffbit[i]; + + for (i = 0; i < BITS_TO_LONGS(SW_CNT); i++) + r |= hidinput->input->swbit[i]; + + return !!r; +} + +static void hidinput_cleanup_hidinput(struct hid_device *hid, + struct hid_input *hidinput) +{ + struct hid_report *report; + int i, k; + + list_del(&hidinput->list); + input_free_device(hidinput->input); + + for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { + if (k == HID_OUTPUT_REPORT && + hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) + continue; + + list_for_each_entry(report, &hid->report_enum[k].report_list, + list) { + + for (i = 0; i < report->maxfield; i++) + if (report->field[i]->hidinput == hidinput) + report->field[i]->hidinput = NULL; + } + } + + kfree(hidinput); } /* @@ -832,13 +1377,13 @@ static void hidinput_close(struct input_dev *dev) int hidinput_connect(struct hid_device *hid, unsigned int force) { + struct hid_driver *drv = hid->driver; struct hid_report *report; struct hid_input *hidinput = NULL; - struct input_dev *input_dev; int i, j, k; - int max_report_type = HID_OUTPUT_REPORT; INIT_LIST_HEAD(&hid->inputs); + INIT_WORK(&hid->led_work, hidinput_led_worker); if (!force) { for (i = 0; i < hid->maxcollection; i++) { @@ -853,43 +1398,22 @@ int hidinput_connect(struct hid_device *hid, unsigned int force) return -1; } - if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) - max_report_type = HID_INPUT_REPORT; + report_features(hid); + + for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { + if (k == HID_OUTPUT_REPORT && + hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) + continue; - for (k = HID_INPUT_REPORT; k <= max_report_type; k++) list_for_each_entry(report, &hid->report_enum[k].report_list, list) { if (!report->maxfield) continue; if (!hidinput) { - hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!hidinput || !input_dev) { - kfree(hidinput); - input_free_device(input_dev); - err_hid("Out of memory during hid input probe"); + hidinput = hidinput_allocate(hid); + if (!hidinput) goto out_unwind; - } - - input_set_drvdata(input_dev, hid); - input_dev->event = - hid->ll_driver->hidinput_input_event; - input_dev->open = hidinput_open; - input_dev->close = hidinput_close; - input_dev->setkeycode_new = hidinput_setkeycode; - input_dev->getkeycode_new = hidinput_getkeycode; - - input_dev->name = hid->name; - input_dev->phys = hid->phys; - input_dev->uniq = hid->uniq; - input_dev->id.bustype = hid->bus; - input_dev->id.vendor = hid->vendor; - input_dev->id.product = hid->product; - input_dev->id.version = hid->version; - input_dev->dev.parent = hid->dev.parent; - hidinput->input = input_dev; - list_add_tail(&hidinput->list, &hid->inputs); } for (i = 0; i < report->maxfield; i++) @@ -897,6 +1421,10 @@ int hidinput_connect(struct hid_device *hid, unsigned int force) hidinput_configure_usage(hidinput, report->field[i], report->field[i]->usage + j); + if ((hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) && + !hidinput_has_been_populated(hidinput)) + continue; + if (hid->quirks & HID_QUIRK_MULTI_INPUT) { /* This will leave hidinput NULL, so that it * allocates another one if we have more inputs on @@ -904,18 +1432,38 @@ int hidinput_connect(struct hid_device *hid, unsigned int force) * UGCI) cram a lot of unrelated inputs into the * same interface. */ hidinput->report = report; + if (drv->input_configured) + drv->input_configured(hid, hidinput); if (input_register_device(hidinput->input)) goto out_cleanup; hidinput = NULL; } } + } + + if (hidinput && (hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) && + !hidinput_has_been_populated(hidinput)) { + /* no need to register an input device not populated */ + hidinput_cleanup_hidinput(hid, hidinput); + hidinput = NULL; + } + + if (list_empty(&hid->inputs)) { + hid_err(hid, "No inputs registered, leaving\n"); + goto out_unwind; + } - if (hidinput && input_register_device(hidinput->input)) - goto out_cleanup; + if (hidinput) { + if (drv->input_configured) + drv->input_configured(hid, hidinput); + if (input_register_device(hidinput->input)) + goto out_cleanup; + } return 0; out_cleanup: + list_del(&hidinput->list); input_free_device(hidinput->input); kfree(hidinput); out_unwind: @@ -930,11 +1478,19 @@ void hidinput_disconnect(struct hid_device *hid) { struct hid_input *hidinput, *next; + hidinput_cleanup_battery(hid); + list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { list_del(&hidinput->list); input_unregister_device(hidinput->input); kfree(hidinput); } + + /* led_work is spawned by input_dev callbacks, but doesn't access the + * parent input_dev at all. Once all input devices are removed, we + * know that led_work will never get restarted, so we can cancel it + * synchronously and are safe. */ + cancel_work_sync(&hid->led_work); } EXPORT_SYMBOL_GPL(hidinput_disconnect); diff --git a/drivers/hid/hid-kensington.c b/drivers/hid/hid-kensington.c index a5b4016e9bd..fe9a99dd8d0 100644 --- a/drivers/hid/hid-kensington.c +++ b/drivers/hid/hid-kensington.c @@ -47,17 +47,6 @@ static struct hid_driver ks_driver = { .id_table = ks_devices, .input_mapping = ks_input_mapping, }; +module_hid_driver(ks_driver); -static int __init ks_init(void) -{ - return hid_register_driver(&ks_driver); -} - -static void __exit ks_exit(void) -{ - hid_unregister_driver(&ks_driver); -} - -module_init(ks_init); -module_exit(ks_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-keytouch.c b/drivers/hid/hid-keytouch.c new file mode 100644 index 00000000000..3074671b7d6 --- /dev/null +++ b/drivers/hid/hid-keytouch.c @@ -0,0 +1,55 @@ +/* + * HID driver for Keytouch devices not fully compliant with HID standard + * + * Copyright (c) 2011 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* Replace the broken report descriptor of this device with rather + * a default one */ +static __u8 keytouch_fixed_rdesc[] = { +0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15, +0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08, +0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, +0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00, +0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0 +}; + +static __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + hid_info(hdev, "fixing up Keytouch IEC report descriptor\n"); + + rdesc = keytouch_fixed_rdesc; + *rsize = sizeof(keytouch_fixed_rdesc); + + return rdesc; +} + +static const struct hid_device_id keytouch_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, + { } +}; +MODULE_DEVICE_TABLE(hid, keytouch_devices); + +static struct hid_driver keytouch_driver = { + .name = "keytouch", + .id_table = keytouch_devices, + .report_fixup = keytouch_report_fixup, +}; +module_hid_driver(keytouch_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jiri Kosina"); diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c index 817247ee006..e7769636759 100644 --- a/drivers/hid/hid-kye.c +++ b/drivers/hid/hid-kye.c @@ -3,6 +3,7 @@ * * Copyright (c) 2009 Jiri Kosina * Copyright (c) 2009 Tomas Hanak + * Copyright (c) 2012 Nikolai Kondrashov */ /* @@ -18,33 +19,440 @@ #include "hid-ids.h" -/* the fixups that need to be done: - * - change led usage page to button for extra buttons - * - report size 8 count 1 must be size 1 count 8 for button bitfield - * - change the button usage range to 4-7 for the extra buttons +/* + * See EasyPen i405X description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=KYE_EasyPen_i405X + */ + +/* Original EasyPen i405X report descriptor size */ +#define EASYPEN_I405X_RDESC_ORIG_SIZE 476 + +/* Fixed EasyPen i405X report descriptor */ +static __u8 easypen_i405x_rdesc_fixed[] = { + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x01, /* Usage (01h), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x05, /* Report ID (5), */ + 0x09, 0x01, /* Usage (01h), */ + 0x15, 0x80, /* Logical Minimum (-128), */ + 0x25, 0x7F, /* Logical Maximum (127), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x07, /* Report Count (7), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0xC0, /* End Collection, */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x7C, 0x15, /* Physical Maximum (5500), */ + 0x26, 0x00, 0x37, /* Logical Maximum (14080), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */ + 0x26, 0x00, 0x28, /* Logical Maximum (10240), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* + * See MousePen i608X description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=KYE_MousePen_i608X + */ + +/* Original MousePen i608X report descriptor size */ +#define MOUSEPEN_I608X_RDESC_ORIG_SIZE 476 + +/* Fixed MousePen i608X report descriptor */ +static __u8 mousepen_i608x_rdesc_fixed[] = { + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x01, /* Usage (01h), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x05, /* Report ID (5), */ + 0x09, 0x01, /* Usage (01h), */ + 0x15, 0x80, /* Logical Minimum (-128), */ + 0x25, 0x7F, /* Logical Maximum (127), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x07, /* Report Count (7), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0xC0, /* End Collection, */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */ + 0x26, 0x00, 0x50, /* Logical Maximum (20480), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x70, 0x17, /* Physical Maximum (6000), */ + 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0, /* End Collection, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x02, /* Usage (Mouse), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x11, /* Report ID (17), */ + 0x09, 0x01, /* Usage (Pointer), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0xA4, /* Push, */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x75, 0x01, /* Report Size (1), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x03, /* Usage Maximum (03h), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x05, /* Report Count (5), */ + 0x81, 0x01, /* Input (Constant), */ + 0xB4, /* Pop, */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x75, 0x10, /* Report Size (16), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */ + 0x26, 0x00, 0x50, /* Logical Maximum (20480), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x70, 0x17, /* Physical Maximum (6000), */ + 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x75, 0x08, /* Report Size (8), */ + 0x09, 0x38, /* Usage (Wheel), */ + 0x15, 0xFF, /* Logical Minimum (-1), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x81, 0x06, /* Input (Variable, Relative), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* + * See EasyPen M610X description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=KYE_EasyPen_M610X */ + +/* Original EasyPen M610X report descriptor size */ +#define EASYPEN_M610X_RDESC_ORIG_SIZE 476 + +/* Fixed EasyPen M610X report descriptor */ +static __u8 easypen_m610x_rdesc_fixed[] = { + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x01, /* Usage (01h), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x05, /* Report ID (5), */ + 0x09, 0x01, /* Usage (01h), */ + 0x15, 0x80, /* Logical Minimum (-128), */ + 0x25, 0x7F, /* Logical Maximum (127), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x07, /* Report Count (7), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0xC0, /* End Collection, */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ + 0x27, 0x00, 0xA0, 0x00, 0x00, /* Logical Maximum (40960), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x6A, 0x18, /* Physical Maximum (6250), */ + 0x26, 0x00, 0x64, /* Logical Maximum (25600), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0, /* End Collection, */ + 0x05, 0x0C, /* Usage Page (Consumer), */ + 0x09, 0x01, /* Usage (Consumer Control), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x12, /* Report ID (18), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x04, /* Report Count (4), */ + 0x0A, 0x1A, 0x02, /* Usage (AC Undo), */ + 0x0A, 0x79, 0x02, /* Usage (AC Redo Or Repeat), */ + 0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */ + 0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x01, /* Report Count (1), */ + 0x75, 0x14, /* Report Size (20), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x20, /* Report Size (32), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xC0 /* End Collection */ +}; + +static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize, int offset, const char *device_name) { + /* + * the fixup that need to be done: + * - change Usage Maximum in the Comsumer Control + * (report ID 3) to a reasonable value + */ + if (*rsize >= offset + 31 && + /* Usage Page (Consumer Devices) */ + rdesc[offset] == 0x05 && rdesc[offset + 1] == 0x0c && + /* Usage (Consumer Control) */ + rdesc[offset + 2] == 0x09 && rdesc[offset + 3] == 0x01 && + /* Usage Maximum > 12287 */ + rdesc[offset + 10] == 0x2a && rdesc[offset + 12] > 0x2f) { + hid_info(hdev, "fixing up %s report descriptor\n", device_name); + rdesc[offset + 12] = 0x2f; + } + return rdesc; +} + static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - if (*rsize >= 74 && - rdesc[61] == 0x05 && rdesc[62] == 0x08 && - rdesc[63] == 0x19 && rdesc[64] == 0x08 && - rdesc[65] == 0x29 && rdesc[66] == 0x0f && - rdesc[71] == 0x75 && rdesc[72] == 0x08 && - rdesc[73] == 0x95 && rdesc[74] == 0x01) { - dev_info(&hdev->dev, "fixing up Kye/Genius Ergo Mouse report " - "descriptor\n"); - rdesc[62] = 0x09; - rdesc[64] = 0x04; - rdesc[66] = 0x07; - rdesc[72] = 0x01; - rdesc[74] = 0x08; + switch (hdev->product) { + case USB_DEVICE_ID_KYE_ERGO_525V: + /* the fixups that need to be done: + * - change led usage page to button for extra buttons + * - report size 8 count 1 must be size 1 count 8 for button + * bitfield + * - change the button usage range to 4-7 for the extra + * buttons + */ + if (*rsize >= 74 && + rdesc[61] == 0x05 && rdesc[62] == 0x08 && + rdesc[63] == 0x19 && rdesc[64] == 0x08 && + rdesc[65] == 0x29 && rdesc[66] == 0x0f && + rdesc[71] == 0x75 && rdesc[72] == 0x08 && + rdesc[73] == 0x95 && rdesc[74] == 0x01) { + hid_info(hdev, + "fixing up Kye/Genius Ergo Mouse " + "report descriptor\n"); + rdesc[62] = 0x09; + rdesc[64] = 0x04; + rdesc[66] = 0x07; + rdesc[72] = 0x01; + rdesc[74] = 0x08; + } + break; + case USB_DEVICE_ID_KYE_EASYPEN_I405X: + if (*rsize == EASYPEN_I405X_RDESC_ORIG_SIZE) { + rdesc = easypen_i405x_rdesc_fixed; + *rsize = sizeof(easypen_i405x_rdesc_fixed); + } + break; + case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: + if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) { + rdesc = mousepen_i608x_rdesc_fixed; + *rsize = sizeof(mousepen_i608x_rdesc_fixed); + } + break; + case USB_DEVICE_ID_KYE_EASYPEN_M610X: + if (*rsize == EASYPEN_M610X_RDESC_ORIG_SIZE) { + rdesc = easypen_m610x_rdesc_fixed; + *rsize = sizeof(easypen_m610x_rdesc_fixed); + } + break; + case USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE: + rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, + "Genius Gila Gaming Mouse"); + break; + case USB_DEVICE_ID_GENIUS_GX_IMPERATOR: + rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83, + "Genius Gx Imperator Keyboard"); + break; + case USB_DEVICE_ID_GENIUS_MANTICORE: + rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, + "Genius Manticore Keyboard"); + break; } return rdesc; } +/** + * Enable fully-functional tablet mode by setting a special feature report. + * + * @hdev: HID device + * + * The specific report ID and data were discovered by sniffing the + * Windows driver traffic. + */ +static int kye_tablet_enable(struct hid_device *hdev) +{ + struct list_head *list; + struct list_head *head; + struct hid_report *report; + __s32 *value; + + list = &hdev->report_enum[HID_FEATURE_REPORT].report_list; + list_for_each(head, list) { + report = list_entry(head, struct hid_report, list); + if (report->id == 5) + break; + } + + if (head == list) { + hid_err(hdev, "tablet-enabling feature report not found\n"); + return -ENODEV; + } + + if (report->maxfield < 1 || report->field[0]->report_count < 7) { + hid_err(hdev, "invalid tablet-enabling feature report\n"); + return -ENODEV; + } + + value = report->field[0]->value; + + value[0] = 0x12; + value[1] = 0x10; + value[2] = 0x11; + value[3] = 0x12; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + + return 0; +} + +static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err; + } + + switch (id->product) { + case USB_DEVICE_ID_KYE_EASYPEN_I405X: + case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: + case USB_DEVICE_ID_KYE_EASYPEN_M610X: + ret = kye_tablet_enable(hdev); + if (ret) { + hid_err(hdev, "tablet enabling failed\n"); + goto enabling_err; + } + break; + case USB_DEVICE_ID_GENIUS_MANTICORE: + /* + * The manticore keyboard needs to have all the interfaces + * opened at least once to be fully functional. + */ + if (hid_hw_open(hdev)) + hid_hw_close(hdev); + break; + } + + return 0; +enabling_err: + hid_hw_stop(hdev); +err: + return ret; +} + static const struct hid_device_id kye_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_KYE_EASYPEN_I405X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_KYE_EASYPEN_M610X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_GENIUS_MANTICORE) }, { } }; MODULE_DEVICE_TABLE(hid, kye_devices); @@ -52,19 +460,9 @@ MODULE_DEVICE_TABLE(hid, kye_devices); static struct hid_driver kye_driver = { .name = "kye", .id_table = kye_devices, + .probe = kye_probe, .report_fixup = kye_report_fixup, }; +module_hid_driver(kye_driver); -static int __init kye_init(void) -{ - return hid_register_driver(&kye_driver); -} - -static void __exit kye_exit(void) -{ - hid_unregister_driver(&kye_driver); -} - -module_init(kye_init); -module_exit(kye_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-lcpower.c b/drivers/hid/hid-lcpower.c new file mode 100644 index 00000000000..6424cfdb773 --- /dev/null +++ b/drivers/hid/hid-lcpower.c @@ -0,0 +1,59 @@ +/* + * HID driver for LC Power Model RC1000MCE + * + * Copyright (c) 2011 Chris Schlund + * based on hid-topseed module + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define ts_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x046: ts_map_key_clear(KEY_YELLOW); break; + case 0x047: ts_map_key_clear(KEY_GREEN); break; + case 0x049: ts_map_key_clear(KEY_BLUE); break; + case 0x04a: ts_map_key_clear(KEY_RED); break; + case 0x00d: ts_map_key_clear(KEY_HOME); break; + case 0x025: ts_map_key_clear(KEY_TV); break; + case 0x048: ts_map_key_clear(KEY_VCR); break; + case 0x024: ts_map_key_clear(KEY_MENU); break; + default: + return 0; + } + + return 1; +} + +static const struct hid_device_id ts_devices[] = { + { HID_USB_DEVICE( USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ts_devices); + +static struct hid_driver ts_driver = { + .name = "LC RC1000MCE", + .id_table = ts_devices, + .input_mapping = ts_input_mapping, +}; +module_hid_driver(ts_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c new file mode 100644 index 00000000000..2d25b6cbbc0 --- /dev/null +++ b/drivers/hid/hid-lenovo-tpkbd.c @@ -0,0 +1,462 @@ +/* + * HID driver for Lenovo ThinkPad USB Keyboard with TrackPoint + * + * Copyright (c) 2012 Bernhard Seibold + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/module.h> +#include <linux/sysfs.h> +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/leds.h> + +#include "hid-ids.h" + +/* This is only used for the trackpoint part of the driver, hence _tp */ +struct tpkbd_data_pointer { + int led_state; + struct led_classdev led_mute; + struct led_classdev led_micmute; + int press_to_select; + int dragging; + int release_to_select; + int select_right; + int sensitivity; + int press_speed; +}; + +#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) + +static int tpkbd_input_mapping(struct hid_device *hdev, + struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + if (usage->hid == (HID_UP_BUTTON | 0x0010)) { + /* mark the device as pointer */ + hid_set_drvdata(hdev, (void *)1); + map_key_clear(KEY_MICMUTE); + return 1; + } + return 0; +} + +#undef map_key_clear + +static int tpkbd_features_set(struct hid_device *hdev) +{ + struct hid_report *report; + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; + + report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; + report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; + report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; + report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; + report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver + report->field[2]->value[0] = data_pointer->sensitivity; + report->field[3]->value[0] = data_pointer->press_speed; + + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + return 0; +} + +static ssize_t pointer_press_to_select_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select); +} + +static ssize_t pointer_press_to_select_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int value; + + if (kstrtoint(buf, 10, &value)) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + + data_pointer->press_to_select = value; + tpkbd_features_set(hdev); + + return count; +} + +static ssize_t pointer_dragging_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging); +} + +static ssize_t pointer_dragging_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int value; + + if (kstrtoint(buf, 10, &value)) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + + data_pointer->dragging = value; + tpkbd_features_set(hdev); + + return count; +} + +static ssize_t pointer_release_to_select_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select); +} + +static ssize_t pointer_release_to_select_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int value; + + if (kstrtoint(buf, 10, &value)) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + + data_pointer->release_to_select = value; + tpkbd_features_set(hdev); + + return count; +} + +static ssize_t pointer_select_right_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right); +} + +static ssize_t pointer_select_right_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int value; + + if (kstrtoint(buf, 10, &value)) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + + data_pointer->select_right = value; + tpkbd_features_set(hdev); + + return count; +} + +static ssize_t pointer_sensitivity_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%u\n", + data_pointer->sensitivity); +} + +static ssize_t pointer_sensitivity_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int value; + + if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) + return -EINVAL; + + data_pointer->sensitivity = value; + tpkbd_features_set(hdev); + + return count; +} + +static ssize_t pointer_press_speed_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%u\n", + data_pointer->press_speed); +} + +static ssize_t pointer_press_speed_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int value; + + if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) + return -EINVAL; + + data_pointer->press_speed = value; + tpkbd_features_set(hdev); + + return count; +} + +static struct device_attribute dev_attr_pointer_press_to_select = + __ATTR(press_to_select, S_IWUSR | S_IRUGO, + pointer_press_to_select_show, + pointer_press_to_select_store); + +static struct device_attribute dev_attr_pointer_dragging = + __ATTR(dragging, S_IWUSR | S_IRUGO, + pointer_dragging_show, + pointer_dragging_store); + +static struct device_attribute dev_attr_pointer_release_to_select = + __ATTR(release_to_select, S_IWUSR | S_IRUGO, + pointer_release_to_select_show, + pointer_release_to_select_store); + +static struct device_attribute dev_attr_pointer_select_right = + __ATTR(select_right, S_IWUSR | S_IRUGO, + pointer_select_right_show, + pointer_select_right_store); + +static struct device_attribute dev_attr_pointer_sensitivity = + __ATTR(sensitivity, S_IWUSR | S_IRUGO, + pointer_sensitivity_show, + pointer_sensitivity_store); + +static struct device_attribute dev_attr_pointer_press_speed = + __ATTR(press_speed, S_IWUSR | S_IRUGO, + pointer_press_speed_show, + pointer_press_speed_store); + +static struct attribute *tpkbd_attributes_pointer[] = { + &dev_attr_pointer_press_to_select.attr, + &dev_attr_pointer_dragging.attr, + &dev_attr_pointer_release_to_select.attr, + &dev_attr_pointer_select_right.attr, + &dev_attr_pointer_sensitivity.attr, + &dev_attr_pointer_press_speed.attr, + NULL +}; + +static const struct attribute_group tpkbd_attr_group_pointer = { + .attrs = tpkbd_attributes_pointer, +}; + +static enum led_brightness tpkbd_led_brightness_get( + struct led_classdev *led_cdev) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + int led_nr = 0; + + if (led_cdev == &data_pointer->led_micmute) + led_nr = 1; + + return data_pointer->led_state & (1 << led_nr) + ? LED_FULL + : LED_OFF; +} + +static void tpkbd_led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + struct hid_report *report; + int led_nr = 0; + + if (led_cdev == &data_pointer->led_micmute) + led_nr = 1; + + if (value == LED_OFF) + data_pointer->led_state &= ~(1 << led_nr); + else + data_pointer->led_state |= 1 << led_nr; + + report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; + report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; + report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); +} + +static int tpkbd_probe_tp(struct hid_device *hdev) +{ + struct device *dev = &hdev->dev; + struct tpkbd_data_pointer *data_pointer; + size_t name_sz = strlen(dev_name(dev)) + 16; + char *name_mute, *name_micmute; + int i; + + /* Validate required reports. */ + for (i = 0; i < 4; i++) { + if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) + return -ENODEV; + } + if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) + return -ENODEV; + + if (sysfs_create_group(&hdev->dev.kobj, + &tpkbd_attr_group_pointer)) { + hid_warn(hdev, "Could not create sysfs group\n"); + } + + data_pointer = devm_kzalloc(&hdev->dev, + sizeof(struct tpkbd_data_pointer), + GFP_KERNEL); + if (data_pointer == NULL) { + hid_err(hdev, "Could not allocate memory for driver data\n"); + return -ENOMEM; + } + + // set same default values as windows driver + data_pointer->sensitivity = 0xa0; + data_pointer->press_speed = 0x38; + + name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + if (name_mute == NULL || name_micmute == NULL) { + hid_err(hdev, "Could not allocate memory for led data\n"); + return -ENOMEM; + } + snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev)); + snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev)); + + hid_set_drvdata(hdev, data_pointer); + + data_pointer->led_mute.name = name_mute; + data_pointer->led_mute.brightness_get = tpkbd_led_brightness_get; + data_pointer->led_mute.brightness_set = tpkbd_led_brightness_set; + data_pointer->led_mute.dev = dev; + led_classdev_register(dev, &data_pointer->led_mute); + + data_pointer->led_micmute.name = name_micmute; + data_pointer->led_micmute.brightness_get = tpkbd_led_brightness_get; + data_pointer->led_micmute.brightness_set = tpkbd_led_brightness_set; + data_pointer->led_micmute.dev = dev; + led_classdev_register(dev, &data_pointer->led_micmute); + + tpkbd_features_set(hdev); + + return 0; +} + +static int tpkbd_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "hid_parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hid_hw_start failed\n"); + goto err; + } + + if (hid_get_drvdata(hdev)) { + hid_set_drvdata(hdev, NULL); + ret = tpkbd_probe_tp(hdev); + if (ret) + goto err_hid; + } + + return 0; +err_hid: + hid_hw_stop(hdev); +err: + return ret; +} + +static void tpkbd_remove_tp(struct hid_device *hdev) +{ + struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev); + + sysfs_remove_group(&hdev->dev.kobj, + &tpkbd_attr_group_pointer); + + led_classdev_unregister(&data_pointer->led_micmute); + led_classdev_unregister(&data_pointer->led_mute); + + hid_set_drvdata(hdev, NULL); +} + +static void tpkbd_remove(struct hid_device *hdev) +{ + if (hid_get_drvdata(hdev)) + tpkbd_remove_tp(hdev); + + hid_hw_stop(hdev); +} + +static const struct hid_device_id tpkbd_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, tpkbd_devices); + +static struct hid_driver tpkbd_driver = { + .name = "lenovo_tpkbd", + .id_table = tpkbd_devices, + .input_mapping = tpkbd_input_mapping, + .probe = tpkbd_probe, + .remove = tpkbd_remove, +}; +module_hid_driver(tpkbd_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index b629fba5a05..a976f48263f 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby * Copyright (c) 2010 Hendrik Iben */ @@ -22,8 +21,10 @@ #include <linux/module.h> #include <linux/random.h> #include <linux/sched.h> +#include <linux/usb.h> #include <linux/wait.h> +#include "usbhid/usbhid.h" #include "hid-ids.h" #include "hid-lg.h" @@ -41,6 +42,297 @@ #define LG_FF3 0x1000 #define LG_FF4 0x2000 +/* Size of the original descriptors of the Driving Force (and Pro) wheels */ +#define DF_RDESC_ORIG_SIZE 130 +#define DFP_RDESC_ORIG_SIZE 97 +#define FV_RDESC_ORIG_SIZE 130 +#define MOMO_RDESC_ORIG_SIZE 87 +#define MOMO2_RDESC_ORIG_SIZE 87 + +/* Fixed report descriptors for Logitech Driving Force (and Pro) + * wheel controllers + * + * The original descriptors hide the separate throttle and brake axes in + * a custom vendor usage page, providing only a combined value as + * GenericDesktop.Y. + * These descriptors remove the combined Y axis and instead report + * separate throttle (Y) and brake (RZ). + */ +static __u8 df_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x04, /* Usage (Joystik), */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x0A, /* Report Size (10), */ +0x14, /* Logical Minimum (0), */ +0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ +0x34, /* Physical Minimum (0), */ +0x46, 0xFF, 0x03, /* Physical Maximum (1023), */ +0x09, 0x30, /* Usage (X), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x0C, /* Report Count (12), */ +0x75, 0x01, /* Report Size (1), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x05, 0x09, /* Usage (Buttons), */ +0x19, 0x01, /* Usage Minimum (1), */ +0x29, 0x0c, /* Usage Maximum (12), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x02, /* Report Count (2), */ +0x06, 0x00, 0xFF, /* Usage Page (Vendor: 65280), */ +0x09, 0x01, /* Usage (?: 1), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x08, /* Report Size (8), */ +0x81, 0x02, /* Input (Variable), */ +0x25, 0x07, /* Logical Maximum (7), */ +0x46, 0x3B, 0x01, /* Physical Maximum (315), */ +0x75, 0x04, /* Report Size (4), */ +0x65, 0x14, /* Unit (Degrees), */ +0x09, 0x39, /* Usage (Hat Switch), */ +0x81, 0x42, /* Input (Variable, Null State), */ +0x75, 0x01, /* Report Size (1), */ +0x95, 0x04, /* Report Count (4), */ +0x65, 0x00, /* Unit (none), */ +0x06, 0x00, 0xFF, /* Usage Page (Vendor: 65280), */ +0x09, 0x01, /* Usage (?: 1), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x08, /* Report Size (8), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x09, 0x31, /* Usage (Y), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x35, /* Usage (Rz), */ +0x81, 0x02, /* Input (Variable), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x95, 0x07, /* Report Count (7), */ +0x75, 0x08, /* Report Size (8), */ +0x09, 0x03, /* Usage (?: 3), */ +0x91, 0x02, /* Output (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection */ +}; + +static __u8 dfp_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x04, /* Usage (Joystik), */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x0E, /* Report Size (14), */ +0x14, /* Logical Minimum (0), */ +0x26, 0xFF, 0x3F, /* Logical Maximum (16383), */ +0x34, /* Physical Minimum (0), */ +0x46, 0xFF, 0x3F, /* Physical Maximum (16383), */ +0x09, 0x30, /* Usage (X), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x0E, /* Report Count (14), */ +0x75, 0x01, /* Report Size (1), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x05, 0x09, /* Usage Page (Button), */ +0x19, 0x01, /* Usage Minimum (01h), */ +0x29, 0x0E, /* Usage Maximum (0Eh), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x04, /* Report Size (4), */ +0x25, 0x07, /* Logical Maximum (7), */ +0x46, 0x3B, 0x01, /* Physical Maximum (315), */ +0x65, 0x14, /* Unit (Degrees), */ +0x09, 0x39, /* Usage (Hat Switch), */ +0x81, 0x42, /* Input (Variable, Nullstate), */ +0x65, 0x00, /* Unit, */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x75, 0x08, /* Report Size (8), */ +0x81, 0x01, /* Input (Constant), */ +0x09, 0x31, /* Usage (Y), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x35, /* Usage (Rz), */ +0x81, 0x02, /* Input (Variable), */ +0x81, 0x01, /* Input (Constant), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x09, 0x02, /* Usage (02h), */ +0x95, 0x07, /* Report Count (7), */ +0x91, 0x02, /* Output (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection */ +}; + +static __u8 fv_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x04, /* Usage (Joystik), */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x0A, /* Report Size (10), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ +0x35, 0x00, /* Physical Minimum (0), */ +0x46, 0xFF, 0x03, /* Physical Maximum (1023), */ +0x09, 0x30, /* Usage (X), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x0C, /* Report Count (12), */ +0x75, 0x01, /* Report Size (1), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x05, 0x09, /* Usage Page (Button), */ +0x19, 0x01, /* Usage Minimum (01h), */ +0x29, 0x0C, /* Usage Maximum (0Ch), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x02, /* Report Count (2), */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x09, 0x01, /* Usage (01h), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x02, /* Usage (02h), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x08, /* Report Size (8), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x25, 0x07, /* Logical Maximum (7), */ +0x46, 0x3B, 0x01, /* Physical Maximum (315), */ +0x75, 0x04, /* Report Size (4), */ +0x65, 0x14, /* Unit (Degrees), */ +0x09, 0x39, /* Usage (Hat Switch), */ +0x81, 0x42, /* Input (Variable, Null State), */ +0x75, 0x01, /* Report Size (1), */ +0x95, 0x04, /* Report Count (4), */ +0x65, 0x00, /* Unit, */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x09, 0x01, /* Usage (01h), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x08, /* Report Size (8), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x09, 0x31, /* Usage (Y), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x32, /* Usage (Z), */ +0x81, 0x02, /* Input (Variable), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x95, 0x07, /* Report Count (7), */ +0x75, 0x08, /* Report Size (8), */ +0x09, 0x03, /* Usage (03h), */ +0x91, 0x02, /* Output (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection */ +}; + +static __u8 momo_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x04, /* Usage (Joystik), */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x0A, /* Report Size (10), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ +0x35, 0x00, /* Physical Minimum (0), */ +0x46, 0xFF, 0x03, /* Physical Maximum (1023), */ +0x09, 0x30, /* Usage (X), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x08, /* Report Count (8), */ +0x75, 0x01, /* Report Size (1), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x05, 0x09, /* Usage Page (Button), */ +0x19, 0x01, /* Usage Minimum (01h), */ +0x29, 0x08, /* Usage Maximum (08h), */ +0x81, 0x02, /* Input (Variable), */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x75, 0x0E, /* Report Size (14), */ +0x95, 0x01, /* Report Count (1), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x09, 0x00, /* Usage (00h), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x75, 0x08, /* Report Size (8), */ +0x09, 0x31, /* Usage (Y), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x32, /* Usage (Z), */ +0x81, 0x02, /* Input (Variable), */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x09, 0x01, /* Usage (01h), */ +0x81, 0x02, /* Input (Variable), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x09, 0x02, /* Usage (02h), */ +0x95, 0x07, /* Report Count (7), */ +0x91, 0x02, /* Output (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection */ +}; + +static __u8 momo2_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x04, /* Usage (Joystik), */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x0A, /* Report Size (10), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ +0x35, 0x00, /* Physical Minimum (0), */ +0x46, 0xFF, 0x03, /* Physical Maximum (1023), */ +0x09, 0x30, /* Usage (X), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x0A, /* Report Count (10), */ +0x75, 0x01, /* Report Size (1), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x05, 0x09, /* Usage Page (Button), */ +0x19, 0x01, /* Usage Minimum (01h), */ +0x29, 0x0A, /* Usage Maximum (0Ah), */ +0x81, 0x02, /* Input (Variable), */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x09, 0x00, /* Usage (00h), */ +0x95, 0x04, /* Report Count (4), */ +0x81, 0x02, /* Input (Variable), */ +0x95, 0x01, /* Report Count (1), */ +0x75, 0x08, /* Report Size (8), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x09, 0x01, /* Usage (01h), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x31, /* Usage (Y), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x32, /* Usage (Z), */ +0x81, 0x02, /* Input (Variable), */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x09, 0x00, /* Usage (00h), */ +0x81, 0x02, /* Input (Variable), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x09, 0x02, /* Usage (02h), */ +0x95, 0x07, /* Report Count (7), */ +0x91, 0x02, /* Output (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection */ +}; + /* * Certain Logitech keyboards send in report #3 keys which are far * above the logical maximum described in descriptor. This extends @@ -49,32 +341,96 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + struct lg_drv_data *drv_data = hid_get_drvdata(hdev); + struct usb_device_descriptor *udesc; + __u16 bcdDevice, rev_maj, rev_min; - if ((quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 && + if ((drv_data->quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 && rdesc[84] == 0x8c && rdesc[85] == 0x02) { - dev_info(&hdev->dev, "fixing up Logitech keyboard report " - "descriptor\n"); + hid_info(hdev, + "fixing up Logitech keyboard report descriptor\n"); rdesc[84] = rdesc[89] = 0x4d; rdesc[85] = rdesc[90] = 0x10; } - if ((quirks & LG_RDESC_REL_ABS) && *rsize >= 50 && + if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 50 && rdesc[32] == 0x81 && rdesc[33] == 0x06 && rdesc[49] == 0x81 && rdesc[50] == 0x06) { - dev_info(&hdev->dev, "fixing up rel/abs in Logitech " - "report descriptor\n"); + hid_info(hdev, + "fixing up rel/abs in Logitech report descriptor\n"); rdesc[33] = rdesc[50] = 0x02; } - if ((quirks & LG_FF4) && *rsize >= 101 && - rdesc[41] == 0x95 && rdesc[42] == 0x0B && - rdesc[47] == 0x05 && rdesc[48] == 0x09) { - dev_info(&hdev->dev, "fixing up Logitech Speed Force Wireless " - "button descriptor\n"); - rdesc[41] = 0x05; - rdesc[42] = 0x09; - rdesc[47] = 0x95; - rdesc[48] = 0x0B; + + switch (hdev->product) { + + /* Several wheels report as this id when operating in emulation mode. */ + case USB_DEVICE_ID_LOGITECH_WHEEL: + udesc = &(hid_to_usb_dev(hdev)->descriptor); + if (!udesc) { + hid_err(hdev, "NULL USB device descriptor\n"); + break; + } + bcdDevice = le16_to_cpu(udesc->bcdDevice); + rev_maj = bcdDevice >> 8; + rev_min = bcdDevice & 0xff; + + /* Update the report descriptor for only the Driving Force wheel */ + if (rev_maj == 1 && rev_min == 2 && + *rsize == DF_RDESC_ORIG_SIZE) { + hid_info(hdev, + "fixing up Logitech Driving Force report descriptor\n"); + rdesc = df_rdesc_fixed; + *rsize = sizeof(df_rdesc_fixed); + } + break; + + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: + if (*rsize == MOMO_RDESC_ORIG_SIZE) { + hid_info(hdev, + "fixing up Logitech Momo Force (Red) report descriptor\n"); + rdesc = momo_rdesc_fixed; + *rsize = sizeof(momo_rdesc_fixed); + } + break; + + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2: + if (*rsize == MOMO2_RDESC_ORIG_SIZE) { + hid_info(hdev, + "fixing up Logitech Momo Racing Force (Black) report descriptor\n"); + rdesc = momo2_rdesc_fixed; + *rsize = sizeof(momo2_rdesc_fixed); + } + break; + + case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL: + if (*rsize == FV_RDESC_ORIG_SIZE) { + hid_info(hdev, + "fixing up Logitech Formula Vibration report descriptor\n"); + rdesc = fv_rdesc_fixed; + *rsize = sizeof(fv_rdesc_fixed); + } + break; + + case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: + if (*rsize == DFP_RDESC_ORIG_SIZE) { + hid_info(hdev, + "fixing up Logitech Driving Force Pro report descriptor\n"); + rdesc = dfp_rdesc_fixed; + *rsize = sizeof(dfp_rdesc_fixed); + } + break; + + case USB_DEVICE_ID_LOGITECH_WII_WHEEL: + if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B && + rdesc[47] == 0x05 && rdesc[48] == 0x09) { + hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n"); + rdesc[41] = 0x05; + rdesc[42] = 0x09; + rdesc[47] = 0x95; + rdesc[48] = 0x0B; + } + break; } + return rdesc; } @@ -207,7 +563,7 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi, 0, 0, 0, 0, 0,183,184,185,186,187, 188,189,190,191,192,193,194, 0, 0, 0 }; - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + struct lg_drv_data *drv_data = hid_get_drvdata(hdev); unsigned int hid = usage->hid; if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER && @@ -218,7 +574,7 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi, lg_dinovo_mapping(hi, usage, bit, max)) return 1; - if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max)) + if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max)) return 1; if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON) @@ -228,11 +584,11 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi, /* Special handling for Logitech Cordless Desktop */ if (field->application == HID_GD_MOUSE) { - if ((quirks & LG_IGNORE_DOUBLED_WHEEL) && + if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) && (hid == 7 || hid == 8)) return -1; } else { - if ((quirks & LG_EXPANDED_KEYMAP) && + if ((drv_data->quirks & LG_EXPANDED_KEYMAP) && hid < ARRAY_SIZE(e_keymap) && e_keymap[hid] != 0) { hid_map_usage(hi, usage, bit, max, EV_KEY, @@ -248,63 +604,96 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + struct lg_drv_data *drv_data = hid_get_drvdata(hdev); - if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY && + if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) field->flags &= ~HID_MAIN_ITEM_RELATIVE; - if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY || + if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY || usage->type == EV_REL || usage->type == EV_ABS)) clear_bit(usage->code, *bit); + /* Ensure that Logitech wheels are not given a default fuzz/flat value */ + if (usage->type == EV_ABS && (usage->code == ABS_X || + usage->code == ABS_Y || usage->code == ABS_Z || + usage->code == ABS_RZ)) { + switch (hdev->product) { + case USB_DEVICE_ID_LOGITECH_WHEEL: + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: + case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: + case USB_DEVICE_ID_LOGITECH_G25_WHEEL: + case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL: + case USB_DEVICE_ID_LOGITECH_G27_WHEEL: + case USB_DEVICE_ID_LOGITECH_WII_WHEEL: + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2: + case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL: + field->application = HID_GD_MULTIAXIS; + break; + default: + break; + } + } + return 0; } static int lg_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + struct lg_drv_data *drv_data = hid_get_drvdata(hdev); - if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) { + if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) { input_event(field->hidinput->input, usage->type, usage->code, -value); return 1; } + if (drv_data->quirks & LG_FF4) { + return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data); + } return 0; } static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) { - unsigned long quirks = id->driver_data; unsigned int connect_mask = HID_CONNECT_DEFAULT; + struct lg_drv_data *drv_data; int ret; - hid_set_drvdata(hdev, (void *)quirks); + drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL); + if (!drv_data) { + hid_err(hdev, "Insufficient memory, cannot allocate driver data\n"); + return -ENOMEM; + } + drv_data->quirks = id->driver_data; + + hid_set_drvdata(hdev, (void *)drv_data); - if (quirks & LG_NOGET) + if (drv_data->quirks & LG_NOGET) hdev->quirks |= HID_QUIRK_NOGET; ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } - if (quirks & (LG_FF | LG_FF2 | LG_FF3)) + if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4)) connect_mask &= ~HID_CONNECT_FF; ret = hid_hw_start(hdev, connect_mask); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } - if (quirks & LG_FF4) { + /* Setup wireless link with Logitech Wii wheel */ + if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) { unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; - ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); + ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); if (ret >= 0) { /* insert a little delay of 10 jiffies ~ 40ms */ @@ -316,24 +705,36 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) buf[1] = 0xB2; get_random_bytes(&buf[2], 2); - ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); + ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); } } - if (quirks & LG_FF) + if (drv_data->quirks & LG_FF) lgff_init(hdev); - if (quirks & LG_FF2) + if (drv_data->quirks & LG_FF2) lg2ff_init(hdev); - if (quirks & LG_FF3) + if (drv_data->quirks & LG_FF3) lg3ff_init(hdev); - if (quirks & LG_FF4) + if (drv_data->quirks & LG_FF4) lg4ff_init(hdev); return 0; err_free: + kfree(drv_data); return ret; } +static void lg_remove(struct hid_device *hdev) +{ + struct lg_drv_data *drv_data = hid_get_drvdata(hdev); + if (drv_data->quirks & LG_FF4) + lg4ff_deinit(hdev); + + hid_hw_stop(hdev); + kfree(drv_data); +} + static const struct hid_device_id lg_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), .driver_data = LG_RDESC | LG_WIRELESS }, @@ -359,8 +760,10 @@ static const struct hid_device_id lg_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D), .driver_data = LG_NOGET }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION), + .driver_data = LG_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL), - .driver_data = LG_NOGET | LG_FF }, + .driver_data = LG_NOGET | LG_FF4 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD), .driver_data = LG_FF2 }, @@ -373,14 +776,22 @@ static const struct hid_device_id lg_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO), .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL), - .driver_data = LG_FF }, + .driver_data = LG_NOGET | LG_FF4 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2), - .driver_data = LG_FF }, + .driver_data = LG_FF4 }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL), + .driver_data = LG_FF2 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL), - .driver_data = LG_FF }, + .driver_data = LG_FF4 }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL), + .driver_data = LG_FF4 }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL), + .driver_data = LG_FF4 }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL), + .driver_data = LG_NOGET | LG_FF4 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL), .driver_data = LG_FF4 }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ), + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG), .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), .driver_data = LG_FF2 }, @@ -403,18 +814,8 @@ static struct hid_driver lg_driver = { .input_mapped = lg_input_mapped, .event = lg_event, .probe = lg_probe, + .remove = lg_remove, }; +module_hid_driver(lg_driver); -static int __init lg_init(void) -{ - return hid_register_driver(&lg_driver); -} - -static void __exit lg_exit(void) -{ - hid_unregister_driver(&lg_driver); -} - -module_init(lg_init); -module_exit(lg_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h index b0100ba2ae0..142ce3f5f05 100644 --- a/drivers/hid/hid-lg.h +++ b/drivers/hid/hid-lg.h @@ -1,6 +1,11 @@ #ifndef __HID_LG_H #define __HID_LG_H +struct lg_drv_data { + unsigned long quirks; + void *device_props; /* Device specific properties */ +}; + #ifdef CONFIG_LOGITECH_FF int lgff_init(struct hid_device *hdev); #else @@ -19,10 +24,16 @@ int lg3ff_init(struct hid_device *hdev); static inline int lg3ff_init(struct hid_device *hdev) { return -1; } #endif -#ifdef CONFIG_LOGIWII_FF +#ifdef CONFIG_LOGIWHEELS_FF +int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data); int lg4ff_init(struct hid_device *hdev); +int lg4ff_deinit(struct hid_device *hdev); #else +static inline int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data) { return 0; } static inline int lg4ff_init(struct hid_device *hdev) { return -1; } +static inline int lg4ff_deinit(struct hid_device *hdev) { return -1; } #endif #endif diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c index 4258253c36b..0e3fb1a7e42 100644 --- a/drivers/hid/hid-lg2ff.c +++ b/drivers/hid/hid-lg2ff.c @@ -23,10 +23,8 @@ #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> #include <linux/hid.h> -#include "usbhid/usbhid.h" #include "hid-lg.h" struct lg2ff_device { @@ -56,7 +54,7 @@ static int play_effect(struct input_dev *dev, void *data, lg2ff->report->field[0]->value[4] = 0x00; } - usbhid_submit_report(hid, lg2ff->report, USB_DIR_OUT); + hid_hw_request(hid, lg2ff->report, HID_REQ_SET_REPORT); return 0; } @@ -66,26 +64,13 @@ int lg2ff_init(struct hid_device *hid) struct hid_report *report; struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct list_head *report_list = - &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; int error; - if (list_empty(report_list)) { - dev_err(&hid->dev, "no output report found\n"); + /* Check that the report looks ok */ + report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7); + if (!report) return -ENODEV; - } - - report = list_entry(report_list->next, struct hid_report, list); - - if (report->maxfield < 1) { - dev_err(&hid->dev, "output report is empty\n"); - return -ENODEV; - } - if (report->field[0]->report_count < 7) { - dev_err(&hid->dev, "not enough values in the field\n"); - return -ENODEV; - } lg2ff = kmalloc(sizeof(struct lg2ff_device), GFP_KERNEL); if (!lg2ff) @@ -108,10 +93,9 @@ int lg2ff_init(struct hid_device *hid) report->field[0]->value[5] = 0x00; report->field[0]->value[6] = 0x00; - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); - dev_info(&hid->dev, "Force feedback for Logitech RumblePad/Rumblepad 2 by " - "Anssi Hannula <anssi.hannula@gmail.com>\n"); + hid_info(hid, "Force feedback for Logitech variant 2 rumble devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); return 0; } diff --git a/drivers/hid/hid-lg3ff.c b/drivers/hid/hid-lg3ff.c index 4002832ee4a..8c2da183d3b 100644 --- a/drivers/hid/hid-lg3ff.c +++ b/drivers/hid/hid-lg3ff.c @@ -22,10 +22,8 @@ #include <linux/input.h> -#include <linux/usb.h> #include <linux/hid.h> -#include "usbhid/usbhid.h" #include "hid-lg.h" /* @@ -68,10 +66,11 @@ static int hid_lg3ff_play(struct input_dev *dev, void *data, int x, y; /* - * Maxusage should always be 63 (maximum fields) - * likely a better way to ensure this data is clean + * Available values in the field should always be 63, but we only use up to + * 35. Instead, clear the entire area, however big it is. */ - memset(report->field[0]->value, 0, sizeof(__s32)*report->field[0]->maxusage); + memset(report->field[0]->value, 0, + sizeof(__s32) * report->field[0]->report_count); switch (effect->type) { case FF_CONSTANT: @@ -92,7 +91,7 @@ static int hid_lg3ff_play(struct input_dev *dev, void *data, report->field[0]->value[1] = (unsigned char)(-x); report->field[0]->value[31] = (unsigned char)(-y); - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; } return 0; @@ -118,7 +117,7 @@ static void hid_lg3ff_set_autocenter(struct input_dev *dev, u16 magnitude) report->field[0]->value[33] = 0x7F; report->field[0]->value[34] = 0x7F; - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); } @@ -131,32 +130,14 @@ static const signed short ff3_joystick_ac[] = { int lg3ff_init(struct hid_device *hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; - struct hid_report *report; - struct hid_field *field; const signed short *ff_bits = ff3_joystick_ac; int error; int i; - /* Find the report to use */ - if (list_empty(report_list)) { - err_hid("No output report found"); - return -1; - } - /* Check that the report looks ok */ - report = list_entry(report_list->next, struct hid_report, list); - if (!report) { - err_hid("NULL output report"); - return -1; - } - - field = report->field[0]; - if (!field) { - err_hid("NULL field"); - return -1; - } + if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 35)) + return -ENODEV; /* Assume single fixed device G940 */ for (i = 0; ff_bits[i] >= 0; i++) @@ -169,8 +150,7 @@ int lg3ff_init(struct hid_device *hid) if (test_bit(FF_AUTOCENTER, dev->ffbit)) dev->ff->set_autocenter = hid_lg3ff_set_autocenter; - dev_info(&hid->dev, "Force feedback for Logitech Flight System G940 by " - "Gary Stein <LordCnidarian@gmail.com>\n"); + hid_info(hid, "Force feedback for Logitech Flight System G940 by Gary Stein <LordCnidarian@gmail.com>\n"); return 0; } diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 7eef5a2ce94..cc2bd202219 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -1,7 +1,8 @@ /* - * Force feedback support for Logitech Speed Force Wireless + * Force feedback support for Logitech Gaming Wheels * - * http://wiibrew.org/wiki/Logitech_USB_steering_wheel + * Including G27, G25, DFP, DFGT, FFEX, Momo, Momo2 & + * Speed Force Wireless (WiiWheel) * * Copyright (c) 2010 Simon Wood <simon@mungewell.org> */ @@ -29,108 +30,729 @@ #include "usbhid/usbhid.h" #include "hid-lg.h" +#include "hid-ids.h" -struct lg4ff_device { - struct hid_report *report; +#define DFGT_REV_MAJ 0x13 +#define DFGT_REV_MIN 0x22 +#define DFGT2_REV_MIN 0x26 +#define DFP_REV_MAJ 0x11 +#define DFP_REV_MIN 0x06 +#define FFEX_REV_MAJ 0x21 +#define FFEX_REV_MIN 0x00 +#define G25_REV_MAJ 0x12 +#define G25_REV_MIN 0x22 +#define G27_REV_MAJ 0x12 +#define G27_REV_MIN 0x38 +#define G27_2_REV_MIN 0x39 + +#define to_hid_device(pdev) container_of(pdev, struct hid_device, dev) + +static void hid_lg4ff_set_range_dfp(struct hid_device *hid, u16 range); +static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range); +static ssize_t lg4ff_range_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); + +static DEVICE_ATTR(range, S_IRWXU | S_IRWXG | S_IROTH, lg4ff_range_show, lg4ff_range_store); + +struct lg4ff_device_entry { + __u32 product_id; + __u16 range; + __u16 min_range; + __u16 max_range; +#ifdef CONFIG_LEDS_CLASS + __u8 led_state; + struct led_classdev *led[5]; +#endif + struct list_head list; + void (*set_range)(struct hid_device *hid, u16 range); }; -static const signed short ff4_wheel_ac[] = { +static const signed short lg4ff_wheel_effects[] = { FF_CONSTANT, FF_AUTOCENTER, -1 }; -static int hid_lg4ff_play(struct input_dev *dev, void *data, - struct ff_effect *effect) +struct lg4ff_wheel { + const __u32 product_id; + const signed short *ff_effects; + const __u16 min_range; + const __u16 max_range; + void (*set_range)(struct hid_device *hid, u16 range); +}; + +static const struct lg4ff_wheel lg4ff_devices[] = { + {USB_DEVICE_ID_LOGITECH_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}, + {USB_DEVICE_ID_LOGITECH_MOMO_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}, + {USB_DEVICE_ID_LOGITECH_DFP_WHEEL, lg4ff_wheel_effects, 40, 900, hid_lg4ff_set_range_dfp}, + {USB_DEVICE_ID_LOGITECH_G25_WHEEL, lg4ff_wheel_effects, 40, 900, hid_lg4ff_set_range_g25}, + {USB_DEVICE_ID_LOGITECH_DFGT_WHEEL, lg4ff_wheel_effects, 40, 900, hid_lg4ff_set_range_g25}, + {USB_DEVICE_ID_LOGITECH_G27_WHEEL, lg4ff_wheel_effects, 40, 900, hid_lg4ff_set_range_g25}, + {USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2, lg4ff_wheel_effects, 40, 270, NULL}, + {USB_DEVICE_ID_LOGITECH_WII_WHEEL, lg4ff_wheel_effects, 40, 270, NULL} +}; + +struct lg4ff_native_cmd { + const __u8 cmd_num; /* Number of commands to send */ + const __u8 cmd[]; +}; + +struct lg4ff_usb_revision { + const __u16 rev_maj; + const __u16 rev_min; + const struct lg4ff_native_cmd *command; +}; + +static const struct lg4ff_native_cmd native_dfp = { + 1, + {0xf8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00} +}; + +static const struct lg4ff_native_cmd native_dfgt = { + 2, + {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1st command */ + 0xf8, 0x09, 0x03, 0x01, 0x00, 0x00, 0x00} /* 2nd command */ +}; + +static const struct lg4ff_native_cmd native_g25 = { + 1, + {0xf8, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00} +}; + +static const struct lg4ff_native_cmd native_g27 = { + 2, + {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1st command */ + 0xf8, 0x09, 0x04, 0x01, 0x00, 0x00, 0x00} /* 2nd command */ +}; + +static const struct lg4ff_usb_revision lg4ff_revs[] = { + {DFGT_REV_MAJ, DFGT_REV_MIN, &native_dfgt}, /* Driving Force GT */ + {DFGT_REV_MAJ, DFGT2_REV_MIN, &native_dfgt}, /* Driving Force GT v2 */ + {DFP_REV_MAJ, DFP_REV_MIN, &native_dfp}, /* Driving Force Pro */ + {G25_REV_MAJ, G25_REV_MIN, &native_g25}, /* G25 */ + {G27_REV_MAJ, G27_REV_MIN, &native_g27}, /* G27 */ + {G27_REV_MAJ, G27_2_REV_MIN, &native_g27}, /* G27 v2 */ +}; + +/* Recalculates X axis value accordingly to currently selected range */ +static __s32 lg4ff_adjust_dfp_x_axis(__s32 value, __u16 range) +{ + __u16 max_range; + __s32 new_value; + + if (range == 900) + return value; + else if (range == 200) + return value; + else if (range < 200) + max_range = 200; + else + max_range = 900; + + new_value = 8192 + mult_frac(value - 8192, max_range, range); + if (new_value < 0) + return 0; + else if (new_value > 16383) + return 16383; + else + return new_value; +} + +int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data) +{ + struct lg4ff_device_entry *entry = drv_data->device_props; + __s32 new_value = 0; + + if (!entry) { + hid_err(hid, "Device properties not found"); + return 0; + } + + switch (entry->product_id) { + case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: + switch (usage->code) { + case ABS_X: + new_value = lg4ff_adjust_dfp_x_axis(value, entry->range); + input_event(field->hidinput->input, usage->type, usage->code, new_value); + return 1; + default: + return 0; + } + default: + return 0; + } +} + +static int hid_lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; int x; -#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff +#define CLAMP(x) do { if (x < 0) x = 0; else if (x > 0xff) x = 0xff; } while (0) switch (effect->type) { case FF_CONSTANT: x = effect->u.ramp.start_level + 0x80; /* 0x80 is no force */ CLAMP(x); - report->field[0]->value[0] = 0x11; /* Slot 1 */ - report->field[0]->value[1] = 0x10; - report->field[0]->value[2] = x; - report->field[0]->value[3] = 0x00; - report->field[0]->value[4] = 0x00; - report->field[0]->value[5] = 0x08; - report->field[0]->value[6] = 0x00; - dbg_hid("Autocenter, x=0x%02X\n", x); - - usbhid_submit_report(hid, report, USB_DIR_OUT); + + if (x == 0x80) { + /* De-activate force in slot-1*/ + value[0] = 0x13; + value[1] = 0x00; + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + return 0; + } + + value[0] = 0x11; /* Slot 1 */ + value[1] = 0x08; + value[2] = x; + value[3] = 0x80; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; } return 0; } -static void hid_lg4ff_set_autocenter(struct input_dev *dev, u16 magnitude) +/* Sends default autocentering command compatible with + * all wheels except Formula Force EX */ +static void hid_lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + __u32 expand_a, expand_b; + struct lg4ff_device_entry *entry; + struct lg_drv_data *drv_data; + + drv_data = hid_get_drvdata(hid); + if (!drv_data) { + hid_err(hid, "Private driver data not found!\n"); + return; + } + + entry = drv_data->device_props; + if (!entry) { + hid_err(hid, "Device properties not found!\n"); + return; + } + + /* De-activate Auto-Center */ + if (magnitude == 0) { + value[0] = 0xf5; + value[1] = 0x00; + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + return; + } + + if (magnitude <= 0xaaaa) { + expand_a = 0x0c * magnitude; + expand_b = 0x80 * magnitude; + } else { + expand_a = (0x0c * 0xaaaa) + 0x06 * (magnitude - 0xaaaa); + expand_b = (0x80 * 0xaaaa) + 0xff * (magnitude - 0xaaaa); + } + + /* Adjust for non-MOMO wheels */ + switch (entry->product_id) { + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2: + break; + default: + expand_a = expand_a >> 1; + break; + } + + value[0] = 0xfe; + value[1] = 0x0d; + value[2] = expand_a / 0xaaaa; + value[3] = expand_a / 0xaaaa; + value[4] = expand_b / 0xaaaa; + value[5] = 0x00; + value[6] = 0x00; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + + /* Activate Auto-Center */ + value[0] = 0x14; + value[1] = 0x00; + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); +} + +/* Sends autocentering command compatible with Formula Force EX */ +static void hid_lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude) { struct hid_device *hid = input_get_drvdata(dev); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); __s32 *value = report->field[0]->value; + magnitude = magnitude * 90 / 65535; - *value++ = 0xfe; - *value++ = 0x0d; - *value++ = 0x07; - *value++ = 0x07; - *value++ = (magnitude >> 8) & 0xff; - *value++ = 0x00; - *value = 0x00; + value[0] = 0xfe; + value[1] = 0x03; + value[2] = magnitude >> 14; + value[3] = magnitude >> 14; + value[4] = magnitude; + value[5] = 0x00; + value[6] = 0x00; - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); } +/* Sends command to set range compatible with G25/G27/Driving Force GT */ +static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range) +{ + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + + dbg_hid("G25/G27/DFGT: setting range to %u\n", range); + + value[0] = 0xf8; + value[1] = 0x81; + value[2] = range & 0x00ff; + value[3] = (range & 0xff00) >> 8; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); +} + +/* Sends commands to set range compatible with Driving Force Pro wheel */ +static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range) +{ + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + int start_left, start_right, full_range; + __s32 *value = report->field[0]->value; + + dbg_hid("Driving Force Pro: setting range to %u\n", range); + + /* Prepare "coarse" limit command */ + value[0] = 0xf8; + value[1] = 0x00; /* Set later */ + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + if (range > 200) { + report->field[0]->value[1] = 0x03; + full_range = 900; + } else { + report->field[0]->value[1] = 0x02; + full_range = 200; + } + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + + /* Prepare "fine" limit command */ + value[0] = 0x81; + value[1] = 0x0b; + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + + if (range == 200 || range == 900) { /* Do not apply any fine limit */ + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + return; + } + + /* Construct fine limit command */ + start_left = (((full_range - range + 1) * 2047) / full_range); + start_right = 0xfff - start_left; + + value[2] = start_left >> 4; + value[3] = start_right >> 4; + value[4] = 0xff; + value[5] = (start_right & 0xe) << 4 | (start_left & 0xe); + value[6] = 0xff; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); +} + +static void hid_lg4ff_switch_native(struct hid_device *hid, const struct lg4ff_native_cmd *cmd) +{ + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __u8 i, j; + + j = 0; + while (j < 7*cmd->cmd_num) { + for (i = 0; i < 7; i++) + report->field[0]->value[i] = cmd->cmd[j++]; + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + } +} + +/* Read current range and display it in terminal */ +static ssize_t lg4ff_range_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hid_device *hid = to_hid_device(dev); + struct lg4ff_device_entry *entry; + struct lg_drv_data *drv_data; + size_t count; + + drv_data = hid_get_drvdata(hid); + if (!drv_data) { + hid_err(hid, "Private driver data not found!\n"); + return 0; + } + + entry = drv_data->device_props; + if (!entry) { + hid_err(hid, "Device properties not found!\n"); + return 0; + } + + count = scnprintf(buf, PAGE_SIZE, "%u\n", entry->range); + return count; +} + +/* Set range to user specified value, call appropriate function + * according to the type of the wheel */ +static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct hid_device *hid = to_hid_device(dev); + struct lg4ff_device_entry *entry; + struct lg_drv_data *drv_data; + __u16 range = simple_strtoul(buf, NULL, 10); + + drv_data = hid_get_drvdata(hid); + if (!drv_data) { + hid_err(hid, "Private driver data not found!\n"); + return 0; + } + + entry = drv_data->device_props; + if (!entry) { + hid_err(hid, "Device properties not found!\n"); + return 0; + } + + if (range == 0) + range = entry->max_range; + + /* Check if the wheel supports range setting + * and that the range is within limits for the wheel */ + if (entry->set_range != NULL && range >= entry->min_range && range <= entry->max_range) { + entry->set_range(hid, range); + entry->range = range; + } + + return count; +} + +#ifdef CONFIG_LEDS_CLASS +static void lg4ff_set_leds(struct hid_device *hid, __u8 leds) +{ + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + + value[0] = 0xf8; + value[1] = 0x12; + value[2] = leds; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + hid_hw_request(hid, report, HID_REQ_SET_REPORT); +} + +static void lg4ff_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hid = container_of(dev, struct hid_device, dev); + struct lg_drv_data *drv_data = hid_get_drvdata(hid); + struct lg4ff_device_entry *entry; + int i, state = 0; + + if (!drv_data) { + hid_err(hid, "Device data not found."); + return; + } + + entry = (struct lg4ff_device_entry *)drv_data->device_props; + + if (!entry) { + hid_err(hid, "Device properties not found."); + return; + } + + for (i = 0; i < 5; i++) { + if (led_cdev != entry->led[i]) + continue; + state = (entry->led_state >> i) & 1; + if (value == LED_OFF && state) { + entry->led_state &= ~(1 << i); + lg4ff_set_leds(hid, entry->led_state); + } else if (value != LED_OFF && !state) { + entry->led_state |= 1 << i; + lg4ff_set_leds(hid, entry->led_state); + } + break; + } +} + +static enum led_brightness lg4ff_led_get_brightness(struct led_classdev *led_cdev) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hid = container_of(dev, struct hid_device, dev); + struct lg_drv_data *drv_data = hid_get_drvdata(hid); + struct lg4ff_device_entry *entry; + int i, value = 0; + + if (!drv_data) { + hid_err(hid, "Device data not found."); + return LED_OFF; + } + + entry = (struct lg4ff_device_entry *)drv_data->device_props; + + if (!entry) { + hid_err(hid, "Device properties not found."); + return LED_OFF; + } + + for (i = 0; i < 5; i++) + if (led_cdev == entry->led[i]) { + value = (entry->led_state >> i) & 1; + break; + } + + return value ? LED_FULL : LED_OFF; +} +#endif int lg4ff_init(struct hid_device *hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; - struct hid_report *report; - struct hid_field *field; - const signed short *ff_bits = ff4_wheel_ac; - int error; - int i; - - /* Find the report to use */ - if (list_empty(report_list)) { - err_hid("No output report found"); + struct lg4ff_device_entry *entry; + struct lg_drv_data *drv_data; + struct usb_device_descriptor *udesc; + int error, i, j; + __u16 bcdDevice, rev_maj, rev_min; + + /* Check that the report looks ok */ + if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) return -1; + + /* Check what wheel has been connected */ + for (i = 0; i < ARRAY_SIZE(lg4ff_devices); i++) { + if (hid->product == lg4ff_devices[i].product_id) { + dbg_hid("Found compatible device, product ID %04X\n", lg4ff_devices[i].product_id); + break; + } } - /* Check that the report looks ok */ - report = list_entry(report_list->next, struct hid_report, list); - if (!report) { - err_hid("NULL output report"); + if (i == ARRAY_SIZE(lg4ff_devices)) { + hid_err(hid, "Device is not supported by lg4ff driver. If you think it should be, consider reporting a bug to" + "LKML, Simon Wood <simon@mungewell.org> or Michal Maly <madcatxster@gmail.com>\n"); return -1; } - field = report->field[0]; - if (!field) { - err_hid("NULL field"); + /* Attempt to switch wheel to native mode when applicable */ + udesc = &(hid_to_usb_dev(hid)->descriptor); + if (!udesc) { + hid_err(hid, "NULL USB device descriptor\n"); return -1; } + bcdDevice = le16_to_cpu(udesc->bcdDevice); + rev_maj = bcdDevice >> 8; + rev_min = bcdDevice & 0xff; - for (i = 0; ff_bits[i] >= 0; i++) - set_bit(ff_bits[i], dev->ffbit); + if (lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_WHEEL) { + dbg_hid("Generic wheel detected, can it do native?\n"); + dbg_hid("USB revision: %2x.%02x\n", rev_maj, rev_min); + + for (j = 0; j < ARRAY_SIZE(lg4ff_revs); j++) { + if (lg4ff_revs[j].rev_maj == rev_maj && lg4ff_revs[j].rev_min == rev_min) { + hid_lg4ff_switch_native(hid, lg4ff_revs[j].command); + hid_info(hid, "Switched to native mode\n"); + } + } + } + + /* Set supported force feedback capabilities */ + for (j = 0; lg4ff_devices[i].ff_effects[j] >= 0; j++) + set_bit(lg4ff_devices[i].ff_effects[j], dev->ffbit); error = input_ff_create_memless(dev, NULL, hid_lg4ff_play); if (error) return error; - if (test_bit(FF_AUTOCENTER, dev->ffbit)) - dev->ff->set_autocenter = hid_lg4ff_set_autocenter; + /* Get private driver data */ + drv_data = hid_get_drvdata(hid); + if (!drv_data) { + hid_err(hid, "Cannot add device, private driver data not allocated\n"); + return -1; + } + + /* Initialize device properties */ + entry = kzalloc(sizeof(struct lg4ff_device_entry), GFP_KERNEL); + if (!entry) { + hid_err(hid, "Cannot add device, insufficient memory to allocate device properties.\n"); + return -ENOMEM; + } + drv_data->device_props = entry; + + entry->product_id = lg4ff_devices[i].product_id; + entry->min_range = lg4ff_devices[i].min_range; + entry->max_range = lg4ff_devices[i].max_range; + entry->set_range = lg4ff_devices[i].set_range; + + /* Check if autocentering is available and + * set the centering force to zero by default */ + if (test_bit(FF_AUTOCENTER, dev->ffbit)) { + if (rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */ + dev->ff->set_autocenter = hid_lg4ff_set_autocenter_ffex; + else + dev->ff->set_autocenter = hid_lg4ff_set_autocenter_default; + + dev->ff->set_autocenter(dev, 0); + } + + /* Create sysfs interface */ + error = device_create_file(&hid->dev, &dev_attr_range); + if (error) + return error; + dbg_hid("sysfs interface created\n"); + + /* Set the maximum range to start with */ + entry->range = entry->max_range; + if (entry->set_range != NULL) + entry->set_range(hid, entry->range); + +#ifdef CONFIG_LEDS_CLASS + /* register led subsystem - G27 only */ + entry->led_state = 0; + for (j = 0; j < 5; j++) + entry->led[j] = NULL; + + if (lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G27_WHEEL) { + struct led_classdev *led; + size_t name_sz; + char *name; - dev_info(&hid->dev, "Force feedback for Logitech Speed Force Wireless by " - "Simon Wood <simon@mungewell.org>\n"); + lg4ff_set_leds(hid, 0); + + name_sz = strlen(dev_name(&hid->dev)) + 8; + + for (j = 0; j < 5; j++) { + led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); + if (!led) { + hid_err(hid, "can't allocate memory for LED %d\n", j); + goto err; + } + + name = (void *)(&led[1]); + snprintf(name, name_sz, "%s::RPM%d", dev_name(&hid->dev), j+1); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = lg4ff_led_get_brightness; + led->brightness_set = lg4ff_led_set_brightness; + + entry->led[j] = led; + error = led_classdev_register(&hid->dev, led); + + if (error) { + hid_err(hid, "failed to register LED %d. Aborting.\n", j); +err: + /* Deregister LEDs (if any) */ + for (j = 0; j < 5; j++) { + led = entry->led[j]; + entry->led[j] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + goto out; /* Let the driver continue without LEDs */ + } + } + } +out: +#endif + hid_info(hid, "Force feedback support for Logitech Gaming Wheels\n"); return 0; } + + +int lg4ff_deinit(struct hid_device *hid) +{ + struct lg4ff_device_entry *entry; + struct lg_drv_data *drv_data; + + device_remove_file(&hid->dev, &dev_attr_range); + + drv_data = hid_get_drvdata(hid); + if (!drv_data) { + hid_err(hid, "Error while deinitializing device, no private driver data.\n"); + return -1; + } + entry = drv_data->device_props; + if (!entry) { + hid_err(hid, "Error while deinitializing device, no device properties data.\n"); + return -1; + } + +#ifdef CONFIG_LEDS_CLASS + { + int j; + struct led_classdev *led; + + /* Deregister LEDs (if any) */ + for (j = 0; j < 5; j++) { + + led = entry->led[j]; + entry->led[j] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + } +#endif + + /* Deallocate memory */ + kfree(entry); + + dbg_hid("Device successfully unregistered\n"); + return 0; +} diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c index 61142b76a9b..e1394af0ae7 100644 --- a/drivers/hid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -27,11 +27,11 @@ * e-mail - mail your message to <johann.deneux@it.uu.se> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/input.h> -#include <linux/usb.h> #include <linux/hid.h> -#include "usbhid/usbhid.h" #include "hid-lg.h" struct dev_type { @@ -56,12 +56,6 @@ static const signed short ff_joystick_ac[] = { -1 }; -static const signed short ff_wheel[] = { - FF_CONSTANT, - FF_AUTOCENTER, - -1 -}; - static const struct dev_type devices[] = { { 0x046d, 0xc211, ff_rumble }, { 0x046d, 0xc219, ff_rumble }, @@ -69,9 +63,7 @@ static const struct dev_type devices[] = { { 0x046d, 0xc286, ff_joystick_ac }, { 0x046d, 0xc287, ff_joystick_ac }, { 0x046d, 0xc293, ff_joystick }, - { 0x046d, 0xc294, ff_wheel }, { 0x046d, 0xc295, ff_joystick }, - { 0x046d, 0xca03, ff_wheel }, }; static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) @@ -95,7 +87,7 @@ static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *ef report->field[0]->value[2] = x; report->field[0]->value[3] = y; dbg_hid("(x, y)=(%04x, %04x)\n", x, y); - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; case FF_RUMBLE: @@ -110,7 +102,7 @@ static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *ef report->field[0]->value[2] = left; report->field[0]->value[3] = right; dbg_hid("(left, right)=(%04x, %04x)\n", left, right); - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; } return 0; @@ -130,33 +122,20 @@ static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) *value++ = 0x80; *value++ = 0x00; *value = 0x00; - usbhid_submit_report(hid, report, USB_DIR_OUT); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); } int lgff_init(struct hid_device* hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; - struct hid_report *report; - struct hid_field *field; const signed short *ff_bits = ff_joystick; int error; int i; - /* Find the report to use */ - if (list_empty(report_list)) { - err_hid("No output report found"); - return -1; - } - /* Check that the report looks ok */ - report = list_entry(report_list->next, struct hid_report, list); - field = report->field[0]; - if (!field) { - err_hid("NULL field"); - return -1; - } + if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) + return -ENODEV; for (i = 0; i < ARRAY_SIZE(devices); i++) { if (dev->id.vendor == devices[i].idVendor && @@ -176,7 +155,7 @@ int lgff_init(struct hid_device* hid) if ( test_bit(FF_AUTOCENTER, dev->ffbit) ) dev->ff->set_autocenter = hid_lgff_set_autocenter; - printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); + pr_info("Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); return 0; } diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c new file mode 100644 index 00000000000..486dbde2ba2 --- /dev/null +++ b/drivers/hid/hid-logitech-dj.c @@ -0,0 +1,964 @@ +/* + * HID driver for Logitech Unifying receivers + * + * Copyright (c) 2011 Logitech + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <asm/unaligned.h> +#include "hid-ids.h" +#include "hid-logitech-dj.h" + +/* Keyboard descriptor (1) */ +static const char kbd_descriptor[] = { + 0x05, 0x01, /* USAGE_PAGE (generic Desktop) */ + 0x09, 0x06, /* USAGE (Keyboard) */ + 0xA1, 0x01, /* COLLECTION (Application) */ + 0x85, 0x01, /* REPORT_ID (1) */ + 0x95, 0x08, /* REPORT_COUNT (8) */ + 0x75, 0x01, /* REPORT_SIZE (1) */ + 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ + 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ + 0x05, 0x07, /* USAGE_PAGE (Keyboard) */ + 0x19, 0xE0, /* USAGE_MINIMUM (Left Control) */ + 0x29, 0xE7, /* USAGE_MAXIMUM (Right GUI) */ + 0x81, 0x02, /* INPUT (Data,Var,Abs) */ + 0x95, 0x06, /* REPORT_COUNT (6) */ + 0x75, 0x08, /* REPORT_SIZE (8) */ + 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ + 0x26, 0xFF, 0x00, /* LOGICAL_MAXIMUM (255) */ + 0x05, 0x07, /* USAGE_PAGE (Keyboard) */ + 0x19, 0x00, /* USAGE_MINIMUM (no event) */ + 0x2A, 0xFF, 0x00, /* USAGE_MAXIMUM (reserved) */ + 0x81, 0x00, /* INPUT (Data,Ary,Abs) */ + 0x85, 0x0e, /* REPORT_ID (14) */ + 0x05, 0x08, /* USAGE PAGE (LED page) */ + 0x95, 0x05, /* REPORT COUNT (5) */ + 0x75, 0x01, /* REPORT SIZE (1) */ + 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ + 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ + 0x19, 0x01, /* USAGE MINIMUM (1) */ + 0x29, 0x05, /* USAGE MAXIMUM (5) */ + 0x91, 0x02, /* OUTPUT (Data, Variable, Absolute) */ + 0x95, 0x01, /* REPORT COUNT (1) */ + 0x75, 0x03, /* REPORT SIZE (3) */ + 0x91, 0x01, /* OUTPUT (Constant) */ + 0xC0 +}; + +/* Mouse descriptor (2) */ +static const char mse_descriptor[] = { + 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ + 0x09, 0x02, /* USAGE (Mouse) */ + 0xA1, 0x01, /* COLLECTION (Application) */ + 0x85, 0x02, /* REPORT_ID = 2 */ + 0x09, 0x01, /* USAGE (pointer) */ + 0xA1, 0x00, /* COLLECTION (physical) */ + 0x05, 0x09, /* USAGE_PAGE (buttons) */ + 0x19, 0x01, /* USAGE_MIN (1) */ + 0x29, 0x10, /* USAGE_MAX (16) */ + 0x15, 0x00, /* LOGICAL_MIN (0) */ + 0x25, 0x01, /* LOGICAL_MAX (1) */ + 0x95, 0x10, /* REPORT_COUNT (16) */ + 0x75, 0x01, /* REPORT_SIZE (1) */ + 0x81, 0x02, /* INPUT (data var abs) */ + 0x05, 0x01, /* USAGE_PAGE (generic desktop) */ + 0x16, 0x01, 0xF8, /* LOGICAL_MIN (-2047) */ + 0x26, 0xFF, 0x07, /* LOGICAL_MAX (2047) */ + 0x75, 0x0C, /* REPORT_SIZE (12) */ + 0x95, 0x02, /* REPORT_COUNT (2) */ + 0x09, 0x30, /* USAGE (X) */ + 0x09, 0x31, /* USAGE (Y) */ + 0x81, 0x06, /* INPUT */ + 0x15, 0x81, /* LOGICAL_MIN (-127) */ + 0x25, 0x7F, /* LOGICAL_MAX (127) */ + 0x75, 0x08, /* REPORT_SIZE (8) */ + 0x95, 0x01, /* REPORT_COUNT (1) */ + 0x09, 0x38, /* USAGE (wheel) */ + 0x81, 0x06, /* INPUT */ + 0x05, 0x0C, /* USAGE_PAGE(consumer) */ + 0x0A, 0x38, 0x02, /* USAGE(AC Pan) */ + 0x95, 0x01, /* REPORT_COUNT (1) */ + 0x81, 0x06, /* INPUT */ + 0xC0, /* END_COLLECTION */ + 0xC0, /* END_COLLECTION */ +}; + +/* Consumer Control descriptor (3) */ +static const char consumer_descriptor[] = { + 0x05, 0x0C, /* USAGE_PAGE (Consumer Devices) */ + 0x09, 0x01, /* USAGE (Consumer Control) */ + 0xA1, 0x01, /* COLLECTION (Application) */ + 0x85, 0x03, /* REPORT_ID = 3 */ + 0x75, 0x10, /* REPORT_SIZE (16) */ + 0x95, 0x02, /* REPORT_COUNT (2) */ + 0x15, 0x01, /* LOGICAL_MIN (1) */ + 0x26, 0x8C, 0x02, /* LOGICAL_MAX (652) */ + 0x19, 0x01, /* USAGE_MIN (1) */ + 0x2A, 0x8C, 0x02, /* USAGE_MAX (652) */ + 0x81, 0x00, /* INPUT (Data Ary Abs) */ + 0xC0, /* END_COLLECTION */ +}; /* */ + +/* System control descriptor (4) */ +static const char syscontrol_descriptor[] = { + 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ + 0x09, 0x80, /* USAGE (System Control) */ + 0xA1, 0x01, /* COLLECTION (Application) */ + 0x85, 0x04, /* REPORT_ID = 4 */ + 0x75, 0x02, /* REPORT_SIZE (2) */ + 0x95, 0x01, /* REPORT_COUNT (1) */ + 0x15, 0x01, /* LOGICAL_MIN (1) */ + 0x25, 0x03, /* LOGICAL_MAX (3) */ + 0x09, 0x82, /* USAGE (System Sleep) */ + 0x09, 0x81, /* USAGE (System Power Down) */ + 0x09, 0x83, /* USAGE (System Wake Up) */ + 0x81, 0x60, /* INPUT (Data Ary Abs NPrf Null) */ + 0x75, 0x06, /* REPORT_SIZE (6) */ + 0x81, 0x03, /* INPUT (Cnst Var Abs) */ + 0xC0, /* END_COLLECTION */ +}; + +/* Media descriptor (8) */ +static const char media_descriptor[] = { + 0x06, 0xbc, 0xff, /* Usage Page 0xffbc */ + 0x09, 0x88, /* Usage 0x0088 */ + 0xa1, 0x01, /* BeginCollection */ + 0x85, 0x08, /* Report ID 8 */ + 0x19, 0x01, /* Usage Min 0x0001 */ + 0x29, 0xff, /* Usage Max 0x00ff */ + 0x15, 0x01, /* Logical Min 1 */ + 0x26, 0xff, 0x00, /* Logical Max 255 */ + 0x75, 0x08, /* Report Size 8 */ + 0x95, 0x01, /* Report Count 1 */ + 0x81, 0x00, /* Input */ + 0xc0, /* EndCollection */ +}; /* */ + +/* Maximum size of all defined hid reports in bytes (including report id) */ +#define MAX_REPORT_SIZE 8 + +/* Make sure all descriptors are present here */ +#define MAX_RDESC_SIZE \ + (sizeof(kbd_descriptor) + \ + sizeof(mse_descriptor) + \ + sizeof(consumer_descriptor) + \ + sizeof(syscontrol_descriptor) + \ + sizeof(media_descriptor)) + +/* Number of possible hid report types that can be created by this driver. + * + * Right now, RF report types have the same report types (or report id's) + * than the hid report created from those RF reports. In the future + * this doesnt have to be true. + * + * For instance, RF report type 0x01 which has a size of 8 bytes, corresponds + * to hid report id 0x01, this is standard keyboard. Same thing applies to mice + * reports and consumer control, etc. If a new RF report is created, it doesn't + * has to have the same report id as its corresponding hid report, so an + * translation may have to take place for future report types. + */ +#define NUMBER_OF_HID_REPORTS 32 +static const u8 hid_reportid_size_map[NUMBER_OF_HID_REPORTS] = { + [1] = 8, /* Standard keyboard */ + [2] = 8, /* Standard mouse */ + [3] = 5, /* Consumer control */ + [4] = 2, /* System control */ + [8] = 2, /* Media Center */ +}; + + +#define LOGITECH_DJ_INTERFACE_NUMBER 0x02 + +static struct hid_ll_driver logi_dj_ll_driver; + +static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev); + +static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev, + struct dj_report *dj_report) +{ + /* Called in delayed work context */ + struct dj_device *dj_dev; + unsigned long flags; + + spin_lock_irqsave(&djrcv_dev->lock, flags); + dj_dev = djrcv_dev->paired_dj_devices[dj_report->device_index]; + djrcv_dev->paired_dj_devices[dj_report->device_index] = NULL; + spin_unlock_irqrestore(&djrcv_dev->lock, flags); + + if (dj_dev != NULL) { + hid_destroy_device(dj_dev->hdev); + kfree(dj_dev); + } else { + dev_err(&djrcv_dev->hdev->dev, "%s: can't destroy a NULL device\n", + __func__); + } +} + +static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, + struct dj_report *dj_report) +{ + /* Called in delayed work context */ + struct hid_device *djrcv_hdev = djrcv_dev->hdev; + struct usb_interface *intf = to_usb_interface(djrcv_hdev->dev.parent); + struct usb_device *usbdev = interface_to_usbdev(intf); + struct hid_device *dj_hiddev; + struct dj_device *dj_dev; + + /* Device index goes from 1 to 6, we need 3 bytes to store the + * semicolon, the index, and a null terminator + */ + unsigned char tmpstr[3]; + + if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] & + SPFUNCTION_DEVICE_LIST_EMPTY) { + dbg_hid("%s: device list is empty\n", __func__); + djrcv_dev->querying_devices = false; + return; + } + + if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) || + (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) { + dev_err(&djrcv_hdev->dev, "%s: invalid device index:%d\n", + __func__, dj_report->device_index); + return; + } + + if (djrcv_dev->paired_dj_devices[dj_report->device_index]) { + /* The device is already known. No need to reallocate it. */ + dbg_hid("%s: device is already known\n", __func__); + return; + } + + dj_hiddev = hid_allocate_device(); + if (IS_ERR(dj_hiddev)) { + dev_err(&djrcv_hdev->dev, "%s: hid_allocate_device failed\n", + __func__); + return; + } + + dj_hiddev->ll_driver = &logi_dj_ll_driver; + + dj_hiddev->dev.parent = &djrcv_hdev->dev; + dj_hiddev->bus = BUS_USB; + dj_hiddev->vendor = le16_to_cpu(usbdev->descriptor.idVendor); + dj_hiddev->product = le16_to_cpu(usbdev->descriptor.idProduct); + snprintf(dj_hiddev->name, sizeof(dj_hiddev->name), + "Logitech Unifying Device. Wireless PID:%02x%02x", + dj_report->report_params[DEVICE_PAIRED_PARAM_EQUAD_ID_MSB], + dj_report->report_params[DEVICE_PAIRED_PARAM_EQUAD_ID_LSB]); + + usb_make_path(usbdev, dj_hiddev->phys, sizeof(dj_hiddev->phys)); + snprintf(tmpstr, sizeof(tmpstr), ":%d", dj_report->device_index); + strlcat(dj_hiddev->phys, tmpstr, sizeof(dj_hiddev->phys)); + + dj_dev = kzalloc(sizeof(struct dj_device), GFP_KERNEL); + + if (!dj_dev) { + dev_err(&djrcv_hdev->dev, "%s: failed allocating dj_device\n", + __func__); + goto dj_device_allocate_fail; + } + + dj_dev->reports_supported = get_unaligned_le32( + dj_report->report_params + DEVICE_PAIRED_RF_REPORT_TYPE); + dj_dev->hdev = dj_hiddev; + dj_dev->dj_receiver_dev = djrcv_dev; + dj_dev->device_index = dj_report->device_index; + dj_hiddev->driver_data = dj_dev; + + djrcv_dev->paired_dj_devices[dj_report->device_index] = dj_dev; + + if (hid_add_device(dj_hiddev)) { + dev_err(&djrcv_hdev->dev, "%s: failed adding dj_device\n", + __func__); + goto hid_add_device_fail; + } + + return; + +hid_add_device_fail: + djrcv_dev->paired_dj_devices[dj_report->device_index] = NULL; + kfree(dj_dev); +dj_device_allocate_fail: + hid_destroy_device(dj_hiddev); +} + +static void delayedwork_callback(struct work_struct *work) +{ + struct dj_receiver_dev *djrcv_dev = + container_of(work, struct dj_receiver_dev, work); + + struct dj_report dj_report; + unsigned long flags; + int count; + int retval; + + dbg_hid("%s\n", __func__); + + spin_lock_irqsave(&djrcv_dev->lock, flags); + + count = kfifo_out(&djrcv_dev->notif_fifo, &dj_report, + sizeof(struct dj_report)); + + if (count != sizeof(struct dj_report)) { + dev_err(&djrcv_dev->hdev->dev, "%s: workitem triggered without " + "notifications available\n", __func__); + spin_unlock_irqrestore(&djrcv_dev->lock, flags); + return; + } + + if (!kfifo_is_empty(&djrcv_dev->notif_fifo)) { + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was " + "already queued\n", __func__); + } + } + + spin_unlock_irqrestore(&djrcv_dev->lock, flags); + + switch (dj_report.report_type) { + case REPORT_TYPE_NOTIF_DEVICE_PAIRED: + logi_dj_recv_add_djhid_device(djrcv_dev, &dj_report); + break; + case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: + logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report); + break; + default: + /* A normal report (i. e. not belonging to a pair/unpair notification) + * arriving here, means that the report arrived but we did not have a + * paired dj_device associated to the report's device_index, this + * means that the original "device paired" notification corresponding + * to this dj_device never arrived to this driver. The reason is that + * hid-core discards all packets coming from a device while probe() is + * executing. */ + if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) { + /* ok, we don't know the device, just re-ask the + * receiver for the list of connected devices. */ + retval = logi_dj_recv_query_paired_devices(djrcv_dev); + if (!retval) { + /* everything went fine, so just leave */ + break; + } + dev_err(&djrcv_dev->hdev->dev, + "%s:logi_dj_recv_query_paired_devices " + "error:%d\n", __func__, retval); + } + dbg_hid("%s: unexpected report type\n", __func__); + } +} + +static void logi_dj_recv_queue_notification(struct dj_receiver_dev *djrcv_dev, + struct dj_report *dj_report) +{ + /* We are called from atomic context (tasklet && djrcv->lock held) */ + + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } +} + +static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev, + struct dj_report *dj_report) +{ + /* We are called from atomic context (tasklet && djrcv->lock held) */ + unsigned int i; + u8 reportbuffer[MAX_REPORT_SIZE]; + struct dj_device *djdev; + + djdev = djrcv_dev->paired_dj_devices[dj_report->device_index]; + + if (!djdev) { + dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" + " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } + return; + } + + memset(reportbuffer, 0, sizeof(reportbuffer)); + + for (i = 0; i < NUMBER_OF_HID_REPORTS; i++) { + if (djdev->reports_supported & (1 << i)) { + reportbuffer[0] = i; + if (hid_input_report(djdev->hdev, + HID_INPUT_REPORT, + reportbuffer, + hid_reportid_size_map[i], 1)) { + dbg_hid("hid_input_report error sending null " + "report\n"); + } + } + } +} + +static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev, + struct dj_report *dj_report) +{ + /* We are called from atomic context (tasklet && djrcv->lock held) */ + struct dj_device *dj_device; + + dj_device = djrcv_dev->paired_dj_devices[dj_report->device_index]; + + if (dj_device == NULL) { + dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" + " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } + return; + } + + if ((dj_report->report_type > ARRAY_SIZE(hid_reportid_size_map) - 1) || + (hid_reportid_size_map[dj_report->report_type] == 0)) { + dbg_hid("invalid report type:%x\n", dj_report->report_type); + return; + } + + if (hid_input_report(dj_device->hdev, + HID_INPUT_REPORT, &dj_report->report_type, + hid_reportid_size_map[dj_report->report_type], 1)) { + dbg_hid("hid_input_report error\n"); + } +} + + +static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev, + struct dj_report *dj_report) +{ + struct hid_device *hdev = djrcv_dev->hdev; + struct hid_report *report; + struct hid_report_enum *output_report_enum; + u8 *data = (u8 *)(&dj_report->device_index); + unsigned int i; + + output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; + report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT]; + + if (!report) { + dev_err(&hdev->dev, "%s: unable to find dj report\n", __func__); + return -ENODEV; + } + + for (i = 0; i < DJREPORT_SHORT_LENGTH - 1; i++) + report->field[0]->value[i] = data[i]; + + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + + return 0; +} + +static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) +{ + struct dj_report *dj_report; + int retval; + + /* no need to protect djrcv_dev->querying_devices */ + if (djrcv_dev->querying_devices) + return 0; + + dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); + if (!dj_report) + return -ENOMEM; + dj_report->report_id = REPORT_ID_DJ_SHORT; + dj_report->device_index = 0xFF; + dj_report->report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES; + retval = logi_dj_recv_send_report(djrcv_dev, dj_report); + kfree(dj_report); + return retval; +} + + +static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, + unsigned timeout) +{ + struct dj_report *dj_report; + int retval; + + dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); + if (!dj_report) + return -ENOMEM; + dj_report->report_id = REPORT_ID_DJ_SHORT; + dj_report->device_index = 0xFF; + dj_report->report_type = REPORT_TYPE_CMD_SWITCH; + dj_report->report_params[CMD_SWITCH_PARAM_DEVBITFIELD] = 0x3F; + dj_report->report_params[CMD_SWITCH_PARAM_TIMEOUT_SECONDS] = (u8)timeout; + retval = logi_dj_recv_send_report(djrcv_dev, dj_report); + kfree(dj_report); + + /* + * Ugly sleep to work around a USB 3.0 bug when the receiver is still + * processing the "switch-to-dj" command while we send an other command. + * 50 msec should gives enough time to the receiver to be ready. + */ + msleep(50); + + return retval; +} + + +static int logi_dj_ll_open(struct hid_device *hid) +{ + dbg_hid("%s:%s\n", __func__, hid->phys); + return 0; + +} + +static void logi_dj_ll_close(struct hid_device *hid) +{ + dbg_hid("%s:%s\n", __func__, hid->phys); +} + +static int logi_dj_ll_raw_request(struct hid_device *hid, + unsigned char reportnum, __u8 *buf, + size_t count, unsigned char report_type, + int reqtype) +{ + struct dj_device *djdev = hid->driver_data; + struct dj_receiver_dev *djrcv_dev = djdev->dj_receiver_dev; + u8 *out_buf; + int ret; + + if (buf[0] != REPORT_TYPE_LEDS) + return -EINVAL; + + out_buf = kzalloc(DJREPORT_SHORT_LENGTH, GFP_ATOMIC); + if (!out_buf) + return -ENOMEM; + + if (count < DJREPORT_SHORT_LENGTH - 2) + count = DJREPORT_SHORT_LENGTH - 2; + + out_buf[0] = REPORT_ID_DJ_SHORT; + out_buf[1] = djdev->device_index; + memcpy(out_buf + 2, buf, count); + + ret = hid_hw_raw_request(djrcv_dev->hdev, out_buf[0], out_buf, + DJREPORT_SHORT_LENGTH, report_type, reqtype); + + kfree(out_buf); + return ret; +} + +static void rdcat(char *rdesc, unsigned int *rsize, const char *data, unsigned int size) +{ + memcpy(rdesc + *rsize, data, size); + *rsize += size; +} + +static int logi_dj_ll_parse(struct hid_device *hid) +{ + struct dj_device *djdev = hid->driver_data; + unsigned int rsize = 0; + char *rdesc; + int retval; + + dbg_hid("%s\n", __func__); + + djdev->hdev->version = 0x0111; + djdev->hdev->country = 0x00; + + rdesc = kmalloc(MAX_RDESC_SIZE, GFP_KERNEL); + if (!rdesc) + return -ENOMEM; + + if (djdev->reports_supported & STD_KEYBOARD) { + dbg_hid("%s: sending a kbd descriptor, reports_supported: %x\n", + __func__, djdev->reports_supported); + rdcat(rdesc, &rsize, kbd_descriptor, sizeof(kbd_descriptor)); + } + + if (djdev->reports_supported & STD_MOUSE) { + dbg_hid("%s: sending a mouse descriptor, reports_supported: " + "%x\n", __func__, djdev->reports_supported); + rdcat(rdesc, &rsize, mse_descriptor, sizeof(mse_descriptor)); + } + + if (djdev->reports_supported & MULTIMEDIA) { + dbg_hid("%s: sending a multimedia report descriptor: %x\n", + __func__, djdev->reports_supported); + rdcat(rdesc, &rsize, consumer_descriptor, sizeof(consumer_descriptor)); + } + + if (djdev->reports_supported & POWER_KEYS) { + dbg_hid("%s: sending a power keys report descriptor: %x\n", + __func__, djdev->reports_supported); + rdcat(rdesc, &rsize, syscontrol_descriptor, sizeof(syscontrol_descriptor)); + } + + if (djdev->reports_supported & MEDIA_CENTER) { + dbg_hid("%s: sending a media center report descriptor: %x\n", + __func__, djdev->reports_supported); + rdcat(rdesc, &rsize, media_descriptor, sizeof(media_descriptor)); + } + + if (djdev->reports_supported & KBD_LEDS) { + dbg_hid("%s: need to send kbd leds report descriptor: %x\n", + __func__, djdev->reports_supported); + } + + retval = hid_parse_report(hid, rdesc, rsize); + kfree(rdesc); + + return retval; +} + +static int logi_dj_ll_start(struct hid_device *hid) +{ + dbg_hid("%s\n", __func__); + return 0; +} + +static void logi_dj_ll_stop(struct hid_device *hid) +{ + dbg_hid("%s\n", __func__); +} + + +static struct hid_ll_driver logi_dj_ll_driver = { + .parse = logi_dj_ll_parse, + .start = logi_dj_ll_start, + .stop = logi_dj_ll_stop, + .open = logi_dj_ll_open, + .close = logi_dj_ll_close, + .raw_request = logi_dj_ll_raw_request, +}; + + +static int logi_dj_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, + int size) +{ + struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); + struct dj_report *dj_report = (struct dj_report *) data; + unsigned long flags; + bool report_processed = false; + + dbg_hid("%s, size:%d\n", __func__, size); + + /* Here we receive all data coming from iface 2, there are 4 cases: + * + * 1) Data should continue its normal processing i.e. data does not + * come from the DJ collection, in which case we do nothing and + * return 0, so hid-core can continue normal processing (will forward + * to associated hidraw device) + * + * 2) Data is from DJ collection, and is intended for this driver i. e. + * data contains arrival, departure, etc notifications, in which case + * we queue them for delayed processing by the work queue. We return 1 + * to hid-core as no further processing is required from it. + * + * 3) Data is from DJ collection, and informs a connection change, + * if the change means rf link loss, then we must send a null report + * to the upper layer to discard potentially pressed keys that may be + * repeated forever by the input layer. Return 1 to hid-core as no + * further processing is required. + * + * 4) Data is from DJ collection and is an actual input event from + * a paired DJ device in which case we forward it to the correct hid + * device (via hid_input_report() ) and return 1 so hid-core does not do + * anything else with it. + */ + + spin_lock_irqsave(&djrcv_dev->lock, flags); + if (dj_report->report_id == REPORT_ID_DJ_SHORT) { + switch (dj_report->report_type) { + case REPORT_TYPE_NOTIF_DEVICE_PAIRED: + case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: + logi_dj_recv_queue_notification(djrcv_dev, dj_report); + break; + case REPORT_TYPE_NOTIF_CONNECTION_STATUS: + if (dj_report->report_params[CONNECTION_STATUS_PARAM_STATUS] == + STATUS_LINKLOSS) { + logi_dj_recv_forward_null_report(djrcv_dev, dj_report); + } + break; + default: + logi_dj_recv_forward_report(djrcv_dev, dj_report); + } + report_processed = true; + } + spin_unlock_irqrestore(&djrcv_dev->lock, flags); + + return report_processed; +} + +static int logi_dj_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct dj_receiver_dev *djrcv_dev; + int retval; + + if (is_dj_device((struct dj_device *)hdev->driver_data)) + return -ENODEV; + + dbg_hid("%s called for ifnum %d\n", __func__, + intf->cur_altsetting->desc.bInterfaceNumber); + + /* Ignore interfaces 0 and 1, they will not carry any data, dont create + * any hid_device for them */ + if (intf->cur_altsetting->desc.bInterfaceNumber != + LOGITECH_DJ_INTERFACE_NUMBER) { + dbg_hid("%s: ignoring ifnum %d\n", __func__, + intf->cur_altsetting->desc.bInterfaceNumber); + return -ENODEV; + } + + /* Treat interface 2 */ + + djrcv_dev = kzalloc(sizeof(struct dj_receiver_dev), GFP_KERNEL); + if (!djrcv_dev) { + dev_err(&hdev->dev, + "%s:failed allocating dj_receiver_dev\n", __func__); + return -ENOMEM; + } + djrcv_dev->hdev = hdev; + INIT_WORK(&djrcv_dev->work, delayedwork_callback); + spin_lock_init(&djrcv_dev->lock); + if (kfifo_alloc(&djrcv_dev->notif_fifo, + DJ_MAX_NUMBER_NOTIFICATIONS * sizeof(struct dj_report), + GFP_KERNEL)) { + dev_err(&hdev->dev, + "%s:failed allocating notif_fifo\n", __func__); + kfree(djrcv_dev); + return -ENOMEM; + } + hid_set_drvdata(hdev, djrcv_dev); + + /* Call to usbhid to fetch the HID descriptors of interface 2 and + * subsequently call to the hid/hid-core to parse the fetched + * descriptors, this will in turn create the hidraw and hiddev nodes + * for interface 2 of the receiver */ + retval = hid_parse(hdev); + if (retval) { + dev_err(&hdev->dev, + "%s:parse of interface 2 failed\n", __func__); + goto hid_parse_fail; + } + + if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, REPORT_ID_DJ_SHORT, + 0, DJREPORT_SHORT_LENGTH - 1)) { + retval = -ENODEV; + goto hid_parse_fail; + } + + /* Starts the usb device and connects to upper interfaces hiddev and + * hidraw */ + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + dev_err(&hdev->dev, + "%s:hid_hw_start returned error\n", __func__); + goto hid_hw_start_fail; + } + + retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); + if (retval < 0) { + dev_err(&hdev->dev, + "%s:logi_dj_recv_switch_to_dj_mode returned error:%d\n", + __func__, retval); + goto switch_to_dj_mode_fail; + } + + /* This is enabling the polling urb on the IN endpoint */ + retval = hid_hw_open(hdev); + if (retval < 0) { + dev_err(&hdev->dev, "%s:hid_hw_open returned error:%d\n", + __func__, retval); + goto llopen_failed; + } + + /* Allow incoming packets to arrive: */ + hid_device_io_start(hdev); + + retval = logi_dj_recv_query_paired_devices(djrcv_dev); + if (retval < 0) { + dev_err(&hdev->dev, "%s:logi_dj_recv_query_paired_devices " + "error:%d\n", __func__, retval); + goto logi_dj_recv_query_paired_devices_failed; + } + + return retval; + +logi_dj_recv_query_paired_devices_failed: + hid_hw_close(hdev); + +llopen_failed: +switch_to_dj_mode_fail: + hid_hw_stop(hdev); + +hid_hw_start_fail: +hid_parse_fail: + kfifo_free(&djrcv_dev->notif_fifo); + kfree(djrcv_dev); + hid_set_drvdata(hdev, NULL); + return retval; + +} + +#ifdef CONFIG_PM +static int logi_dj_reset_resume(struct hid_device *hdev) +{ + int retval; + struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); + + retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); + if (retval < 0) { + dev_err(&hdev->dev, + "%s:logi_dj_recv_switch_to_dj_mode returned error:%d\n", + __func__, retval); + } + + return 0; +} +#endif + +static void logi_dj_remove(struct hid_device *hdev) +{ + struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); + struct dj_device *dj_dev; + int i; + + dbg_hid("%s\n", __func__); + + cancel_work_sync(&djrcv_dev->work); + + hid_hw_close(hdev); + hid_hw_stop(hdev); + + /* I suppose that at this point the only context that can access + * the djrecv_data is this thread as the work item is guaranteed to + * have finished and no more raw_event callbacks should arrive after + * the remove callback was triggered so no locks are put around the + * code below */ + for (i = 0; i < (DJ_MAX_PAIRED_DEVICES + DJ_DEVICE_INDEX_MIN); i++) { + dj_dev = djrcv_dev->paired_dj_devices[i]; + if (dj_dev != NULL) { + hid_destroy_device(dj_dev->hdev); + kfree(dj_dev); + djrcv_dev->paired_dj_devices[i] = NULL; + } + } + + kfifo_free(&djrcv_dev->notif_fifo); + kfree(djrcv_dev); + hid_set_drvdata(hdev, NULL); +} + +static int logi_djdevice_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret; + struct dj_device *dj_dev = hdev->driver_data; + + if (!is_dj_device(dj_dev)) + return -ENODEV; + + ret = hid_parse(hdev); + if (!ret) + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + + return ret; +} + +static const struct hid_device_id logi_dj_receivers[] = { + {HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER)}, + {HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2)}, + {} +}; + +MODULE_DEVICE_TABLE(hid, logi_dj_receivers); + +static struct hid_driver logi_djreceiver_driver = { + .name = "logitech-djreceiver", + .id_table = logi_dj_receivers, + .probe = logi_dj_probe, + .remove = logi_dj_remove, + .raw_event = logi_dj_raw_event, +#ifdef CONFIG_PM + .reset_resume = logi_dj_reset_resume, +#endif +}; + + +static const struct hid_device_id logi_dj_devices[] = { + {HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER)}, + {HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2)}, + {} +}; + +static struct hid_driver logi_djdevice_driver = { + .name = "logitech-djdevice", + .id_table = logi_dj_devices, + .probe = logi_djdevice_probe, +}; + + +static int __init logi_dj_init(void) +{ + int retval; + + dbg_hid("Logitech-DJ:%s\n", __func__); + + retval = hid_register_driver(&logi_djreceiver_driver); + if (retval) + return retval; + + retval = hid_register_driver(&logi_djdevice_driver); + if (retval) + hid_unregister_driver(&logi_djreceiver_driver); + + return retval; + +} + +static void __exit logi_dj_exit(void) +{ + dbg_hid("Logitech-DJ:%s\n", __func__); + + hid_unregister_driver(&logi_djdevice_driver); + hid_unregister_driver(&logi_djreceiver_driver); + +} + +module_init(logi_dj_init); +module_exit(logi_dj_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Logitech"); +MODULE_AUTHOR("Nestor Lopez Casado"); +MODULE_AUTHOR("nlopezcasad@logitech.com"); diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h new file mode 100644 index 00000000000..4a4000340ce --- /dev/null +++ b/drivers/hid/hid-logitech-dj.h @@ -0,0 +1,124 @@ +#ifndef __HID_LOGITECH_DJ_H +#define __HID_LOGITECH_DJ_H + +/* + * HID driver for Logitech Unifying receivers + * + * Copyright (c) 2011 Logitech + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/kfifo.h> + +#define DJ_MAX_PAIRED_DEVICES 6 +#define DJ_MAX_NUMBER_NOTIFICATIONS 8 +#define DJ_DEVICE_INDEX_MIN 1 +#define DJ_DEVICE_INDEX_MAX 6 + +#define DJREPORT_SHORT_LENGTH 15 +#define DJREPORT_LONG_LENGTH 32 + +#define REPORT_ID_DJ_SHORT 0x20 +#define REPORT_ID_DJ_LONG 0x21 + +#define REPORT_TYPE_RFREPORT_FIRST 0x01 +#define REPORT_TYPE_RFREPORT_LAST 0x1F + +/* Command Switch to DJ mode */ +#define REPORT_TYPE_CMD_SWITCH 0x80 +#define CMD_SWITCH_PARAM_DEVBITFIELD 0x00 +#define CMD_SWITCH_PARAM_TIMEOUT_SECONDS 0x01 +#define TIMEOUT_NO_KEEPALIVE 0x00 + +/* Command to Get the list of Paired devices */ +#define REPORT_TYPE_CMD_GET_PAIRED_DEVICES 0x81 + +/* Device Paired Notification */ +#define REPORT_TYPE_NOTIF_DEVICE_PAIRED 0x41 +#define SPFUNCTION_MORE_NOTIF_EXPECTED 0x01 +#define SPFUNCTION_DEVICE_LIST_EMPTY 0x02 +#define DEVICE_PAIRED_PARAM_SPFUNCTION 0x00 +#define DEVICE_PAIRED_PARAM_EQUAD_ID_LSB 0x01 +#define DEVICE_PAIRED_PARAM_EQUAD_ID_MSB 0x02 +#define DEVICE_PAIRED_RF_REPORT_TYPE 0x03 + +/* Device Un-Paired Notification */ +#define REPORT_TYPE_NOTIF_DEVICE_UNPAIRED 0x40 + + +/* Connection Status Notification */ +#define REPORT_TYPE_NOTIF_CONNECTION_STATUS 0x42 +#define CONNECTION_STATUS_PARAM_STATUS 0x00 +#define STATUS_LINKLOSS 0x01 + +/* Error Notification */ +#define REPORT_TYPE_NOTIF_ERROR 0x7F +#define NOTIF_ERROR_PARAM_ETYPE 0x00 +#define ETYPE_KEEPALIVE_TIMEOUT 0x01 + +/* supported DJ HID && RF report types */ +#define REPORT_TYPE_KEYBOARD 0x01 +#define REPORT_TYPE_MOUSE 0x02 +#define REPORT_TYPE_CONSUMER_CONTROL 0x03 +#define REPORT_TYPE_SYSTEM_CONTROL 0x04 +#define REPORT_TYPE_MEDIA_CENTER 0x08 +#define REPORT_TYPE_LEDS 0x0E + +/* RF Report types bitfield */ +#define STD_KEYBOARD 0x00000002 +#define STD_MOUSE 0x00000004 +#define MULTIMEDIA 0x00000008 +#define POWER_KEYS 0x00000010 +#define MEDIA_CENTER 0x00000100 +#define KBD_LEDS 0x00004000 + +struct dj_report { + u8 report_id; + u8 device_index; + u8 report_type; + u8 report_params[DJREPORT_SHORT_LENGTH - 3]; +}; + +struct dj_receiver_dev { + struct hid_device *hdev; + struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES + + DJ_DEVICE_INDEX_MIN]; + struct work_struct work; + struct kfifo notif_fifo; + spinlock_t lock; + bool querying_devices; +}; + +struct dj_device { + struct hid_device *hdev; + struct dj_receiver_dev *dj_receiver_dev; + u32 reports_supported; + u8 device_index; +}; + +/** + * is_dj_device - know if the given dj_device is not the receiver. + * @dj_dev: the dj device to test + * + * This macro tests if a struct dj_device pointer is a device created + * by the bus enumarator. + */ +#define is_dj_device(dj_dev) \ + (&(dj_dev)->dj_receiver_dev->hdev->dev == (dj_dev)->hdev->dev.parent) + +#endif diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index e6dc1517166..ecc2cbf300c 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -12,11 +12,13 @@ * any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/device.h> #include <linux/hid.h> +#include <linux/input/mt.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/usb.h> #include "hid-ids.h" @@ -34,7 +36,7 @@ MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel"); static unsigned int scroll_speed = 32; static int param_set_scroll_speed(const char *val, struct kernel_param *kp) { unsigned long speed; - if (!val || strict_strtoul(val, 0, &speed) || speed > 63) + if (!val || kstrtoul(val, 0, &speed) || speed > 63) return -EINVAL; scroll_speed = speed; return 0; @@ -46,10 +48,6 @@ static bool scroll_acceleration = false; module_param(scroll_acceleration, bool, 0644); MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events"); -static bool report_touches = true; -module_param(report_touches, bool, 0644); -MODULE_PARM_DESC(report_touches, "Emit touch records (otherwise, only use them for emulation)"); - static bool report_undeciphered; module_param(report_undeciphered, bool, 0644); MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event"); @@ -70,14 +68,27 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie #define SCROLL_ACCEL_DEFAULT 7 -/* Single touch emulation should only begin when no touches are currently down. - * This is true when single_touch_id is equal to NO_TOUCHES. If multiple touches - * are down and the touch providing for single touch emulation is lifted, - * single_touch_id is equal to SINGLE_TOUCH_UP. While single touch emulation is - * occuring, single_touch_id corresponds with the tracking id of the touch used. - */ -#define NO_TOUCHES -1 -#define SINGLE_TOUCH_UP -2 +/* Touch surface information. Dimension is in hundredths of a mm, min and max + * are in units. */ +#define MOUSE_DIMENSION_X (float)9056 +#define MOUSE_MIN_X -1100 +#define MOUSE_MAX_X 1258 +#define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100)) +#define MOUSE_DIMENSION_Y (float)5152 +#define MOUSE_MIN_Y -1589 +#define MOUSE_MAX_Y 2047 +#define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100)) + +#define TRACKPAD_DIMENSION_X (float)13000 +#define TRACKPAD_MIN_X -2909 +#define TRACKPAD_MAX_X 3167 +#define TRACKPAD_RES_X \ + ((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100)) +#define TRACKPAD_DIMENSION_Y (float)11000 +#define TRACKPAD_MIN_Y -2456 +#define TRACKPAD_MAX_Y 2565 +#define TRACKPAD_RES_Y \ + ((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100)) /** * struct magicmouse_sc - Tracks Magic Mouse-specific data. @@ -105,7 +116,6 @@ struct magicmouse_sc { u8 size; } touches[16]; int tracking_ids[16]; - int single_touch_id; }; static int magicmouse_firm_touch(struct magicmouse_sc *msc) @@ -244,19 +254,17 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda } } - if (down) { + if (down) msc->ntouches++; - if (msc->single_touch_id == NO_TOUCHES) - msc->single_touch_id = id; - } else if (msc->single_touch_id == id) - msc->single_touch_id = SINGLE_TOUCH_UP; + + input_mt_slot(input, id); + input_mt_report_slot_state(input, MT_TOOL_FINGER, down); /* Generate the input events for this touch. */ - if (report_touches && down) { - input_report_abs(input, ABS_MT_TRACKING_ID, id); + if (down) { input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major << 2); input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor << 2); - input_report_abs(input, ABS_MT_ORIENTATION, orientation); + input_report_abs(input, ABS_MT_ORIENTATION, -orientation); input_report_abs(input, ABS_MT_POSITION_X, x); input_report_abs(input, ABS_MT_POSITION_Y, y); @@ -266,8 +274,6 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda else /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ input_event(input, EV_MSC, MSC_RAW, tdata[8]); } - - input_mt_sync(input); } } @@ -288,12 +294,6 @@ static int magicmouse_raw_event(struct hid_device *hdev, for (ii = 0; ii < npoints; ii++) magicmouse_emit_touch(msc, ii, data + ii * 9 + 4); - /* We don't need an MT sync here because trackpad emits a - * BTN_TOUCH event in a new frame when all touches are released. - */ - if (msc->ntouches == 0) - msc->single_touch_id = NO_TOUCHES; - clicks = data[1]; /* The following bits provide a device specific timestamp. They @@ -311,9 +311,6 @@ static int magicmouse_raw_event(struct hid_device *hdev, for (ii = 0; ii < npoints; ii++) magicmouse_emit_touch(msc, ii, data + ii * 8 + 6); - if (report_touches && msc->ntouches == 0) - input_mt_sync(input); - /* When emulating three-button mode, it is important * to have the current touch information before * generating a click event. @@ -346,25 +343,17 @@ static int magicmouse_raw_event(struct hid_device *hdev, input_report_rel(input, REL_Y, y); } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ input_report_key(input, BTN_MOUSE, clicks & 1); - input_report_key(input, BTN_TOUCH, msc->ntouches > 0); - input_report_key(input, BTN_TOOL_FINGER, msc->ntouches == 1); - input_report_key(input, BTN_TOOL_DOUBLETAP, msc->ntouches == 2); - input_report_key(input, BTN_TOOL_TRIPLETAP, msc->ntouches == 3); - input_report_key(input, BTN_TOOL_QUADTAP, msc->ntouches == 4); - if (msc->single_touch_id >= 0) { - input_report_abs(input, ABS_X, - msc->touches[msc->single_touch_id].x); - input_report_abs(input, ABS_Y, - msc->touches[msc->single_touch_id].y); - } + input_mt_report_pointer_emulation(input, true); } input_sync(input); return 1; } -static void magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev) +static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev) { + int error; + __set_bit(EV_KEY, input->evbit); if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { @@ -381,47 +370,78 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h __set_bit(REL_HWHEEL, input->relbit); } } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ + /* input->keybit is initialized with incorrect button info + * for Magic Trackpad. There really is only one physical + * button (BTN_LEFT == BTN_MOUSE). Make sure we don't + * advertise buttons that don't exist... + */ + __clear_bit(BTN_RIGHT, input->keybit); + __clear_bit(BTN_MIDDLE, input->keybit); __set_bit(BTN_MOUSE, input->keybit); __set_bit(BTN_TOOL_FINGER, input->keybit); __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); __set_bit(BTN_TOOL_TRIPLETAP, input->keybit); __set_bit(BTN_TOOL_QUADTAP, input->keybit); + __set_bit(BTN_TOOL_QUINTTAP, input->keybit); __set_bit(BTN_TOUCH, input->keybit); + __set_bit(INPUT_PROP_POINTER, input->propbit); + __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); } - if (report_touches) { - __set_bit(EV_ABS, input->evbit); - input_set_abs_params(input, ABS_MT_TRACKING_ID, 0, 15, 0, 0); - input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255, 4, 0); - input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255, 4, 0); - input_set_abs_params(input, ABS_MT_ORIENTATION, -32, 31, 1, 0); + __set_bit(EV_ABS, input->evbit); - /* Note: Touch Y position from the device is inverted relative - * to how pointer motion is reported (and relative to how USB - * HID recommends the coordinates work). This driver keeps - * the origin at the same position, and just uses the additive - * inverse of the reported Y. - */ - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { - input_set_abs_params(input, ABS_MT_POSITION_X, -1100, - 1358, 4, 0); - input_set_abs_params(input, ABS_MT_POSITION_Y, -1589, - 2047, 4, 0); - } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ - input_set_abs_params(input, ABS_X, -2909, 3167, 4, 0); - input_set_abs_params(input, ABS_Y, -2456, 2565, 4, 0); - input_set_abs_params(input, ABS_MT_POSITION_X, -2909, - 3167, 4, 0); - input_set_abs_params(input, ABS_MT_POSITION_Y, -2456, - 2565, 4, 0); - } + error = input_mt_init_slots(input, 16, 0); + if (error) + return error; + input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2, + 4, 0); + input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2, + 4, 0); + input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0); + + /* Note: Touch Y position from the device is inverted relative + * to how pointer motion is reported (and relative to how USB + * HID recommends the coordinates work). This driver keeps + * the origin at the same position, and just uses the additive + * inverse of the reported Y. + */ + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { + input_set_abs_params(input, ABS_MT_POSITION_X, + MOUSE_MIN_X, MOUSE_MAX_X, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, + MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0); + + input_abs_set_res(input, ABS_MT_POSITION_X, + MOUSE_RES_X); + input_abs_set_res(input, ABS_MT_POSITION_Y, + MOUSE_RES_Y); + } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ + input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X, + TRACKPAD_MAX_X, 4, 0); + input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y, + TRACKPAD_MAX_Y, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_X, + TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, + TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0); + + input_abs_set_res(input, ABS_X, TRACKPAD_RES_X); + input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y); + input_abs_set_res(input, ABS_MT_POSITION_X, + TRACKPAD_RES_X); + input_abs_set_res(input, ABS_MT_POSITION_Y, + TRACKPAD_RES_Y); } + input_set_events_per_packet(input, 60); + if (report_undeciphered) { __set_bit(EV_MSC, input->evbit); __set_bit(MSC_RAW, input->mscbit); } + + return 0; } static int magicmouse_input_mapping(struct hid_device *hdev, @@ -433,9 +453,29 @@ static int magicmouse_input_mapping(struct hid_device *hdev, if (!msc->input) msc->input = hi->input; + /* Magic Trackpad does not give relative data after switching to MT */ + if (hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD && + field->flags & HID_MAIN_ITEM_RELATIVE) + return -1; + return 0; } +static void magicmouse_input_configured(struct hid_device *hdev, + struct hid_input *hi) + +{ + struct magicmouse_sc *msc = hid_get_drvdata(hdev); + + int ret = magicmouse_setup_input(msc->input, hdev); + if (ret) { + hid_err(hdev, "magicmouse setup input failed (%d)\n", ret); + /* clean msc->input to notify probe() of the failure */ + msc->input = NULL; + } +} + + static int magicmouse_probe(struct hid_device *hdev, const struct hid_device_id *id) { @@ -444,9 +484,9 @@ static int magicmouse_probe(struct hid_device *hdev, struct hid_report *report; int ret; - msc = kzalloc(sizeof(*msc), GFP_KERNEL); + msc = devm_kzalloc(&hdev->dev, sizeof(*msc), GFP_KERNEL); if (msc == NULL) { - dev_err(&hdev->dev, "can't alloc magicmouse descriptor\n"); + hid_err(hdev, "can't alloc magicmouse descriptor\n"); return -ENOMEM; } @@ -455,25 +495,23 @@ static int magicmouse_probe(struct hid_device *hdev, msc->quirks = id->driver_data; hid_set_drvdata(hdev, msc); - msc->single_touch_id = NO_TOUCHES; - ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "magicmouse hid parse failed\n"); - goto err_free; + hid_err(hdev, "magicmouse hid parse failed\n"); + return ret; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "magicmouse hw start failed\n"); - goto err_free; + hid_err(hdev, "magicmouse hw start failed\n"); + return ret; } - /* We do this after hid-input is done parsing reports so that - * hid-input uses the most natural button and axis IDs. - */ - if (msc->input) - magicmouse_setup_input(msc->input, hdev); + if (!msc->input) { + hid_err(hdev, "magicmouse input not registered\n"); + ret = -ENOMEM; + goto err_stop_hw; + } if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE) report = hid_register_report(hdev, HID_INPUT_REPORT, @@ -486,36 +524,33 @@ static int magicmouse_probe(struct hid_device *hdev, } if (!report) { - dev_err(&hdev->dev, "unable to register touch report\n"); + hid_err(hdev, "unable to register touch report\n"); ret = -ENOMEM; goto err_stop_hw; } report->size = 6; - ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature), - HID_FEATURE_REPORT); - if (ret != sizeof(feature)) { - dev_err(&hdev->dev, "unable to request touch data (%d)\n", - ret); + /* + * Some devices repond with 'invalid report id' when feature + * report switching it into multitouch mode is sent to it. + * + * This results in -EIO from the _raw low-level transport callback, + * but there seems to be no other way of switching the mode. + * Thus the super-ugly hacky success check below. + */ + ret = hid_hw_raw_request(hdev, feature[0], feature, sizeof(feature), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret != -EIO && ret != sizeof(feature)) { + hid_err(hdev, "unable to request touch data (%d)\n", ret); goto err_stop_hw; } return 0; err_stop_hw: hid_hw_stop(hdev); -err_free: - kfree(msc); return ret; } -static void magicmouse_remove(struct hid_device *hdev) -{ - struct magicmouse_sc *msc = hid_get_drvdata(hdev); - - hid_hw_stop(hdev); - kfree(msc); -} - static const struct hid_device_id magic_mice[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 }, @@ -529,27 +564,10 @@ static struct hid_driver magicmouse_driver = { .name = "magicmouse", .id_table = magic_mice, .probe = magicmouse_probe, - .remove = magicmouse_remove, .raw_event = magicmouse_raw_event, .input_mapping = magicmouse_input_mapping, + .input_configured = magicmouse_input_configured, }; +module_hid_driver(magicmouse_driver); -static int __init magicmouse_init(void) -{ - int ret; - - ret = hid_register_driver(&magicmouse_driver); - if (ret) - printk(KERN_ERR "can't register magicmouse driver\n"); - - return ret; -} - -static void __exit magicmouse_exit(void) -{ - hid_unregister_driver(&magicmouse_driver); -} - -module_init(magicmouse_init); -module_exit(magicmouse_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index dc618c33d0a..8ba17a946f2 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -23,28 +22,36 @@ #include "hid-ids.h" -#define MS_HIDINPUT 0x01 -#define MS_ERGONOMY 0x02 -#define MS_PRESENTER 0x04 -#define MS_RDESC 0x08 -#define MS_NOGET 0x10 +#define MS_HIDINPUT 0x01 +#define MS_ERGONOMY 0x02 +#define MS_PRESENTER 0x04 +#define MS_RDESC 0x08 +#define MS_NOGET 0x10 +#define MS_DUPLICATE_USAGES 0x20 +#define MS_RDESC_3K 0x40 -/* - * Microsoft Wireless Desktop Receiver (Model 1028) has - * 'Usage Min/Max' where it ought to have 'Physical Min/Max' - */ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + /* + * Microsoft Wireless Desktop Receiver (Model 1028) has + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 && rdesc[559] == 0x29) { - dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " - "Model 1028 report descriptor\n"); + hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n"); rdesc[557] = 0x35; rdesc[559] = 0x45; } + /* the same as above (s/usage/physical/) */ + if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 && + rdesc[95] == 0x00 && rdesc[96] == 0x29 && + rdesc[97] == 0xff) { + rdesc[94] = 0x35; + rdesc[96] = 0x45; + } return rdesc; } @@ -55,9 +62,48 @@ static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, { struct input_dev *input = hi->input; + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { + switch (usage->hid & HID_USAGE) { + /* + * Microsoft uses these 2 reserved usage ids for 2 keys on + * the MS office kb labelled "Office Home" and "Task Pane". + */ + case 0x29d: + ms_map_key_clear(KEY_PROG1); + return 1; + case 0x29e: + ms_map_key_clear(KEY_PROG2); + return 1; + } + return 0; + } + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + switch (usage->hid & HID_USAGE) { case 0xfd06: ms_map_key_clear(KEY_CHAT); break; case 0xfd07: ms_map_key_clear(KEY_PHONE); break; + case 0xff00: + /* Special keypad keys */ + ms_map_key_clear(KEY_KPEQUAL); + set_bit(KEY_KPLEFTPAREN, input->keybit); + set_bit(KEY_KPRIGHTPAREN, input->keybit); + break; + case 0xff01: + /* Scroll wheel */ + hid_map_usage_clear(hi, usage, bit, max, EV_REL, REL_WHEEL); + break; + case 0xff02: + /* + * This byte contains a copy of the modifier keys byte of a + * standard hid keyboard report, as send by interface 0 + * (this usage is found on interface 1). + * + * This byte only gets send when another key in the same report + * changes state, and as such is useless, ignore it. + */ + return -1; case 0xff05: set_bit(EV_REP, input->evbit); ms_map_key_clear(KEY_F13); @@ -66,6 +112,7 @@ static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, set_bit(KEY_F16, input->keybit); set_bit(KEY_F17, input->keybit); set_bit(KEY_F18, input->keybit); + break; default: return 0; } @@ -75,6 +122,9 @@ static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, unsigned long **bit, int *max) { + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + set_bit(EV_REP, hi->input->evbit); switch (usage->hid & HID_USAGE) { case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; @@ -94,9 +144,6 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) - return 0; - if (quirks & MS_ERGONOMY) { int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); if (ret) @@ -110,18 +157,55 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, return 0; } +static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (quirks & MS_DUPLICATE_USAGES) + clear_bit(usage->code, *bit); + + return 0; +} + static int ms_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + struct input_dev *input; if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || !usage->type) return 0; + input = field->hidinput->input; + /* Handling MS keyboards special buttons */ + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) { + /* Special keypad keys */ + input_report_key(input, KEY_KPEQUAL, value & 0x01); + input_report_key(input, KEY_KPLEFTPAREN, value & 0x02); + input_report_key(input, KEY_KPRIGHTPAREN, value & 0x04); + return 1; + } + + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) { + /* Scroll wheel */ + int step = ((value & 0x60) >> 5) + 1; + + switch (value & 0x1f) { + case 0x01: + input_report_rel(input, REL_WHEEL, step); + break; + case 0x1f: + input_report_rel(input, REL_WHEEL, -step); + break; + } + return 1; + } + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { - struct input_dev *input = field->hidinput->input; static unsigned int last_key = 0; unsigned int key = 0; switch (value) { @@ -155,14 +239,14 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? HID_CONNECT_HIDINPUT_FORCE : 0)); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } @@ -174,14 +258,22 @@ err_free: static const struct hid_device_id ms_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), .driver_data = MS_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB), + .driver_data = MS_ERGONOMY }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP), + .driver_data = MS_ERGONOMY }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), .driver_data = MS_ERGONOMY | MS_RDESC }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), .driver_data = MS_PRESENTER }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), + .driver_data = MS_ERGONOMY | MS_RDESC_3K }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), + .driver_data = MS_DUPLICATE_USAGES }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), .driver_data = MS_PRESENTER }, @@ -194,20 +286,10 @@ static struct hid_driver ms_driver = { .id_table = ms_devices, .report_fixup = ms_report_fixup, .input_mapping = ms_input_mapping, + .input_mapped = ms_input_mapped, .event = ms_event, .probe = ms_probe, }; +module_hid_driver(ms_driver); -static int __init ms_init(void) -{ - return hid_register_driver(&ms_driver); -} - -static void __exit ms_exit(void) -{ - hid_unregister_driver(&ms_driver); -} - -module_init(ms_init); -module_exit(ms_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c index c95c31e2d86..9e14c00eb1b 100644 --- a/drivers/hid/hid-monterey.c +++ b/drivers/hid/hid-monterey.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -26,8 +25,7 @@ static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { if (*rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) { - dev_info(&hdev->dev, "fixing up button/consumer in HID report " - "descriptor\n"); + hid_info(hdev, "fixing up button/consumer in HID report descriptor\n"); rdesc[30] = 0x0c; } return rdesc; @@ -65,17 +63,6 @@ static struct hid_driver mr_driver = { .report_fixup = mr_report_fixup, .input_mapping = mr_input_mapping, }; +module_hid_driver(mr_driver); -static int __init mr_init(void) -{ - return hid_register_driver(&mr_driver); -} - -static void __exit mr_exit(void) -{ - hid_unregister_driver(&mr_driver); -} - -module_init(mr_init); -module_exit(mr_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-mosart.c b/drivers/hid/hid-mosart.c deleted file mode 100644 index ac5421d568f..00000000000 --- a/drivers/hid/hid-mosart.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - * HID driver for the multitouch panel on the ASUS EeePC T91MT - * - * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> - * Copyright (c) 2010 Teemu Tuominen <teemu.tuominen@cybercom.com> - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/usb.h> -#include "usbhid/usbhid.h" - -MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); -MODULE_DESCRIPTION("MosArt dual-touch panel"); -MODULE_LICENSE("GPL"); - -#include "hid-ids.h" - -struct mosart_data { - __u16 x, y; - __u8 id; - bool valid; /* valid finger data, or just placeholder? */ - bool first; /* is this the first finger in this frame? */ - bool activity_now; /* at least one active finger in this frame? */ - bool activity; /* at least one active finger previously? */ -}; - -static int mosart_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_GENDESK: - switch (usage->hid) { - case HID_GD_X: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_X); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_X, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - case HID_GD_Y: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_Y); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_Y, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - } - return 0; - - case HID_UP_DIGITIZER: - switch (usage->hid) { - case HID_DG_CONFIDENCE: - case HID_DG_TIPSWITCH: - case HID_DG_INPUTMODE: - case HID_DG_DEVICEINDEX: - case HID_DG_CONTACTCOUNT: - case HID_DG_CONTACTMAX: - case HID_DG_TIPPRESSURE: - case HID_DG_WIDTH: - case HID_DG_HEIGHT: - return -1; - case HID_DG_INRANGE: - /* touchscreen emulation */ - hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); - return 1; - - case HID_DG_CONTACTID: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TRACKING_ID); - return 1; - - } - return 0; - - case 0xff000000: - /* ignore HID features */ - return -1; - } - - return 0; -} - -static int mosart_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - if (usage->type == EV_KEY || usage->type == EV_ABS) - clear_bit(usage->code, *bit); - - return 0; -} - -/* - * this function is called when a whole finger has been parsed, - * so that it can decide what to send to the input layer. - */ -static void mosart_filter_event(struct mosart_data *td, struct input_dev *input) -{ - td->first = !td->first; /* touchscreen emulation */ - - if (!td->valid) { - /* - * touchscreen emulation: if no finger in this frame is valid - * and there previously was finger activity, this is a release - */ - if (!td->first && !td->activity_now && td->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 0); - td->activity = false; - } - return; - } - - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id); - input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y); - - input_mt_sync(input); - td->valid = false; - - /* touchscreen emulation: if first active finger in this frame... */ - if (!td->activity_now) { - /* if there was no previous activity, emit touch event */ - if (!td->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 1); - td->activity = true; - } - td->activity_now = true; - /* and in any case this is our preferred finger */ - input_event(input, EV_ABS, ABS_X, td->x); - input_event(input, EV_ABS, ABS_Y, td->y); - } -} - - -static int mosart_event(struct hid_device *hid, struct hid_field *field, - struct hid_usage *usage, __s32 value) -{ - struct mosart_data *td = hid_get_drvdata(hid); - - if (hid->claimed & HID_CLAIMED_INPUT) { - struct input_dev *input = field->hidinput->input; - switch (usage->hid) { - case HID_DG_INRANGE: - td->valid = !!value; - break; - case HID_GD_X: - td->x = value; - break; - case HID_GD_Y: - td->y = value; - mosart_filter_event(td, input); - break; - case HID_DG_CONTACTID: - td->id = value; - break; - case HID_DG_CONTACTCOUNT: - /* touch emulation: this is the last field in a frame */ - td->first = false; - td->activity_now = false; - break; - case HID_DG_CONFIDENCE: - case HID_DG_TIPSWITCH: - /* avoid interference from generic hidinput handling */ - break; - - default: - /* fallback to the generic hidinput handling */ - return 0; - } - } - - /* we have handled the hidinput part, now remains hiddev */ - if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) - hid->hiddev_hid_event(hid, field, usage, value); - - return 1; -} - -static int mosart_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - struct mosart_data *td; - - - td = kmalloc(sizeof(struct mosart_data), GFP_KERNEL); - if (!td) { - dev_err(&hdev->dev, "cannot allocate MosArt data\n"); - return -ENOMEM; - } - td->valid = false; - td->activity = false; - td->activity_now = false; - td->first = false; - hid_set_drvdata(hdev, td); - - /* currently, it's better to have one evdev device only */ -#if 0 - hdev->quirks |= HID_QUIRK_MULTI_INPUT; -#endif - - ret = hid_parse(hdev); - if (ret == 0) - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - - if (ret == 0) { - struct hid_report_enum *re = hdev->report_enum - + HID_FEATURE_REPORT; - struct hid_report *r = re->report_id_hash[7]; - - r->field[0]->value[0] = 0x02; - usbhid_submit_report(hdev, r, USB_DIR_OUT); - } else - kfree(td); - - return ret; -} - -static void mosart_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); - hid_set_drvdata(hdev, NULL); -} - -static const struct hid_device_id mosart_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) }, - { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, - { } -}; -MODULE_DEVICE_TABLE(hid, mosart_devices); - -static const struct hid_usage_id mosart_grabbed_usages[] = { - { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, - { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} -}; - -static struct hid_driver mosart_driver = { - .name = "mosart", - .id_table = mosart_devices, - .probe = mosart_probe, - .remove = mosart_remove, - .input_mapping = mosart_input_mapping, - .input_mapped = mosart_input_mapped, - .usage_table = mosart_grabbed_usages, - .event = mosart_event, -}; - -static int __init mosart_init(void) -{ - return hid_register_driver(&mosart_driver); -} - -static void __exit mosart_exit(void) -{ - hid_unregister_driver(&mosart_driver); -} - -module_init(mosart_init); -module_exit(mosart_exit); - diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c new file mode 100644 index 00000000000..51e25b9407f --- /dev/null +++ b/drivers/hid/hid-multitouch.c @@ -0,0 +1,1356 @@ +/* + * HID driver for multitouch panels + * + * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> + * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France + * Copyright (c) 2012-2013 Red Hat, Inc + * + * This code is partly based on hid-egalax.c: + * + * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> + * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> + * Copyright (c) 2010 Canonical, Ltd. + * + * This code is partly based on hid-3m-pct.c: + * + * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> + * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> + * Copyright (c) 2010 Canonical, Ltd. + * + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * This driver is regularly tested thanks to the tool hid-test[1]. + * This tool relies on hid-replay[2] and a database of hid devices[3]. + * Please run these regression tests before patching this module so that + * your patch won't break existing known devices. + * + * [1] https://github.com/bentiss/hid-test + * [2] https://github.com/bentiss/hid-replay + * [3] https://github.com/bentiss/hid-devices + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/usb.h> +#include <linux/input/mt.h> +#include <linux/string.h> + + +MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); +MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); +MODULE_DESCRIPTION("HID multitouch panels"); +MODULE_LICENSE("GPL"); + +#include "hid-ids.h" + +/* quirks to control the device */ +#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) +#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) +#define MT_QUIRK_CYPRESS (1 << 2) +#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) +#define MT_QUIRK_ALWAYS_VALID (1 << 4) +#define MT_QUIRK_VALID_IS_INRANGE (1 << 5) +#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6) +#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) +#define MT_QUIRK_NO_AREA (1 << 9) +#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10) +#define MT_QUIRK_HOVERING (1 << 11) +#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12) + +#define MT_INPUTMODE_TOUCHSCREEN 0x02 +#define MT_INPUTMODE_TOUCHPAD 0x03 + +struct mt_slot { + __s32 x, y, cx, cy, p, w, h; + __s32 contactid; /* the device ContactID assigned to this slot */ + bool touch_state; /* is the touch valid? */ + bool inrange_state; /* is the finger in proximity of the sensor? */ +}; + +struct mt_class { + __s32 name; /* MT_CLS */ + __s32 quirks; + __s32 sn_move; /* Signal/noise ratio for move events */ + __s32 sn_width; /* Signal/noise ratio for width events */ + __s32 sn_height; /* Signal/noise ratio for height events */ + __s32 sn_pressure; /* Signal/noise ratio for pressure events */ + __u8 maxcontacts; + bool is_indirect; /* true for touchpads */ + bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ +}; + +struct mt_fields { + unsigned usages[HID_MAX_FIELDS]; + unsigned int length; +}; + +struct mt_device { + struct mt_slot curdata; /* placeholder of incoming data */ + struct mt_class mtclass; /* our mt device class */ + struct mt_fields *fields; /* temporary placeholder for storing the + multitouch fields */ + int cc_index; /* contact count field index in the report */ + int cc_value_index; /* contact count value index in the field */ + unsigned last_slot_field; /* the last field of a slot */ + unsigned mt_report_id; /* the report ID of the multitouch device */ + __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ + __s16 inputmode_index; /* InputMode HID feature index in the report */ + __s16 maxcontact_report_id; /* Maximum Contact Number HID feature, + -1 if non-existent */ + __u8 inputmode_value; /* InputMode HID feature value */ + __u8 num_received; /* how many contacts we received */ + __u8 num_expected; /* expected last contact index */ + __u8 maxcontacts; + __u8 touches_by_report; /* how many touches are present in one report: + * 1 means we should use a serial protocol + * > 1 means hybrid (multitouch) protocol */ + bool serial_maybe; /* need to check for serial protocol */ + bool curvalid; /* is the current contact valid? */ + unsigned mt_flags; /* flags to pass to input-mt */ +}; + +static void mt_post_parse_default_settings(struct mt_device *td); +static void mt_post_parse(struct mt_device *td); + +/* classes of device behavior */ +#define MT_CLS_DEFAULT 0x0001 + +#define MT_CLS_SERIAL 0x0002 +#define MT_CLS_CONFIDENCE 0x0003 +#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 +#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 +#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 +#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 +/* reserved 0x0008 */ +#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 +#define MT_CLS_NSMU 0x000a +/* reserved 0x0010 */ +/* reserved 0x0011 */ +#define MT_CLS_WIN_8 0x0012 +#define MT_CLS_EXPORT_ALL_INPUTS 0x0013 + +/* vendor specific classes */ +#define MT_CLS_3M 0x0101 +/* reserved 0x0102 */ +#define MT_CLS_EGALAX 0x0103 +#define MT_CLS_EGALAX_SERIAL 0x0104 +#define MT_CLS_TOPSEED 0x0105 +#define MT_CLS_PANASONIC 0x0106 +#define MT_CLS_FLATFROG 0x0107 +#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 +#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 + +#define MT_DEFAULT_MAXCONTACT 10 +#define MT_MAX_MAXCONTACT 250 + +#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) +#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) + +/* + * these device-dependent functions determine what slot corresponds + * to a valid contact that was just read. + */ + +static int cypress_compute_slot(struct mt_device *td) +{ + if (td->curdata.contactid != 0 || td->num_received == 0) + return td->curdata.contactid; + else + return -1; +} + +static struct mt_class mt_classes[] = { + { .name = MT_CLS_DEFAULT, + .quirks = MT_QUIRK_ALWAYS_VALID | + MT_QUIRK_CONTACT_CNT_ACCURATE }, + { .name = MT_CLS_NSMU, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, + { .name = MT_CLS_SERIAL, + .quirks = MT_QUIRK_ALWAYS_VALID}, + { .name = MT_CLS_CONFIDENCE, + .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, + { .name = MT_CLS_CONFIDENCE_CONTACT_ID, + .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | + MT_QUIRK_SLOT_IS_CONTACTID }, + { .name = MT_CLS_CONFIDENCE_MINUS_ONE, + .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | + MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, + { .name = MT_CLS_DUAL_INRANGE_CONTACTID, + .quirks = MT_QUIRK_VALID_IS_INRANGE | + MT_QUIRK_SLOT_IS_CONTACTID, + .maxcontacts = 2 }, + { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, + .quirks = MT_QUIRK_VALID_IS_INRANGE | + MT_QUIRK_SLOT_IS_CONTACTNUMBER, + .maxcontacts = 2 }, + { .name = MT_CLS_INRANGE_CONTACTNUMBER, + .quirks = MT_QUIRK_VALID_IS_INRANGE | + MT_QUIRK_SLOT_IS_CONTACTNUMBER }, + { .name = MT_CLS_WIN_8, + .quirks = MT_QUIRK_ALWAYS_VALID | + MT_QUIRK_IGNORE_DUPLICATES | + MT_QUIRK_HOVERING | + MT_QUIRK_CONTACT_CNT_ACCURATE }, + { .name = MT_CLS_EXPORT_ALL_INPUTS, + .quirks = MT_QUIRK_ALWAYS_VALID | + MT_QUIRK_CONTACT_CNT_ACCURATE, + .export_all_inputs = true }, + + /* + * vendor specific classes + */ + { .name = MT_CLS_3M, + .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | + MT_QUIRK_SLOT_IS_CONTACTID, + .sn_move = 2048, + .sn_width = 128, + .sn_height = 128, + .maxcontacts = 60, + }, + { .name = MT_CLS_EGALAX, + .quirks = MT_QUIRK_SLOT_IS_CONTACTID | + MT_QUIRK_VALID_IS_INRANGE, + .sn_move = 4096, + .sn_pressure = 32, + }, + { .name = MT_CLS_EGALAX_SERIAL, + .quirks = MT_QUIRK_SLOT_IS_CONTACTID | + MT_QUIRK_ALWAYS_VALID, + .sn_move = 4096, + .sn_pressure = 32, + }, + { .name = MT_CLS_TOPSEED, + .quirks = MT_QUIRK_ALWAYS_VALID, + .is_indirect = true, + .maxcontacts = 2, + }, + { .name = MT_CLS_PANASONIC, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, + .maxcontacts = 4 }, + { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | + MT_QUIRK_VALID_IS_INRANGE | + MT_QUIRK_SLOT_IS_CONTACTID, + .maxcontacts = 2 + }, + { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | + MT_QUIRK_SLOT_IS_CONTACTID + }, + + { .name = MT_CLS_FLATFROG, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | + MT_QUIRK_NO_AREA, + .sn_move = 2048, + .maxcontacts = 40, + }, + { } +}; + +static ssize_t mt_show_quirks(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct mt_device *td = hid_get_drvdata(hdev); + + return sprintf(buf, "%u\n", td->mtclass.quirks); +} + +static ssize_t mt_set_quirks(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct mt_device *td = hid_get_drvdata(hdev); + + unsigned long val; + + if (kstrtoul(buf, 0, &val)) + return -EINVAL; + + td->mtclass.quirks = val; + + if (td->cc_index < 0) + td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; + + return count; +} + +static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); + +static struct attribute *sysfs_attrs[] = { + &dev_attr_quirks.attr, + NULL +}; + +static struct attribute_group mt_attribute_group = { + .attrs = sysfs_attrs +}; + +static void mt_feature_mapping(struct hid_device *hdev, + struct hid_field *field, struct hid_usage *usage) +{ + struct mt_device *td = hid_get_drvdata(hdev); + + switch (usage->hid) { + case HID_DG_INPUTMODE: + /* Ignore if value index is out of bounds. */ + if (usage->usage_index >= field->report_count) { + dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); + break; + } + + td->inputmode = field->report->id; + td->inputmode_index = usage->usage_index; + + break; + case HID_DG_CONTACTMAX: + td->maxcontact_report_id = field->report->id; + td->maxcontacts = field->value[0]; + if (!td->maxcontacts && + field->logical_maximum <= MT_MAX_MAXCONTACT) + td->maxcontacts = field->logical_maximum; + if (td->mtclass.maxcontacts) + /* check if the maxcontacts is given by the class */ + td->maxcontacts = td->mtclass.maxcontacts; + + break; + } +} + +static void set_abs(struct input_dev *input, unsigned int code, + struct hid_field *field, int snratio) +{ + int fmin = field->logical_minimum; + int fmax = field->logical_maximum; + int fuzz = snratio ? (fmax - fmin) / snratio : 0; + input_set_abs_params(input, code, fmin, fmax, fuzz, 0); + input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); +} + +static void mt_store_field(struct hid_usage *usage, struct mt_device *td, + struct hid_input *hi) +{ + struct mt_fields *f = td->fields; + + if (f->length >= HID_MAX_FIELDS) + return; + + f->usages[f->length++] = usage->hid; +} + +static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct mt_device *td = hid_get_drvdata(hdev); + struct mt_class *cls = &td->mtclass; + int code; + struct hid_usage *prev_usage = NULL; + + if (field->application == HID_DG_TOUCHSCREEN) + td->mt_flags |= INPUT_MT_DIRECT; + + /* + * Model touchscreens providing buttons as touchpads. + */ + if (field->application == HID_DG_TOUCHPAD || + (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { + td->mt_flags |= INPUT_MT_POINTER; + td->inputmode_value = MT_INPUTMODE_TOUCHPAD; + } + + if (usage->usage_index) + prev_usage = &field->usage[usage->usage_index - 1]; + + switch (usage->hid & HID_USAGE_PAGE) { + + case HID_UP_GENDESK: + switch (usage->hid) { + case HID_GD_X: + if (prev_usage && (prev_usage->hid == usage->hid)) { + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_TOOL_X); + set_abs(hi->input, ABS_MT_TOOL_X, field, + cls->sn_move); + } else { + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_POSITION_X); + set_abs(hi->input, ABS_MT_POSITION_X, field, + cls->sn_move); + } + + mt_store_field(usage, td, hi); + return 1; + case HID_GD_Y: + if (prev_usage && (prev_usage->hid == usage->hid)) { + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_TOOL_Y); + set_abs(hi->input, ABS_MT_TOOL_Y, field, + cls->sn_move); + } else { + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_POSITION_Y); + set_abs(hi->input, ABS_MT_POSITION_Y, field, + cls->sn_move); + } + + mt_store_field(usage, td, hi); + return 1; + } + return 0; + + case HID_UP_DIGITIZER: + switch (usage->hid) { + case HID_DG_INRANGE: + if (cls->quirks & MT_QUIRK_HOVERING) { + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_DISTANCE); + input_set_abs_params(hi->input, + ABS_MT_DISTANCE, 0, 1, 0, 0); + } + mt_store_field(usage, td, hi); + return 1; + case HID_DG_CONFIDENCE: + mt_store_field(usage, td, hi); + return 1; + case HID_DG_TIPSWITCH: + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); + input_set_capability(hi->input, EV_KEY, BTN_TOUCH); + mt_store_field(usage, td, hi); + return 1; + case HID_DG_CONTACTID: + mt_store_field(usage, td, hi); + td->touches_by_report++; + td->mt_report_id = field->report->id; + return 1; + case HID_DG_WIDTH: + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_TOUCH_MAJOR); + if (!(cls->quirks & MT_QUIRK_NO_AREA)) + set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, + cls->sn_width); + mt_store_field(usage, td, hi); + return 1; + case HID_DG_HEIGHT: + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_TOUCH_MINOR); + if (!(cls->quirks & MT_QUIRK_NO_AREA)) { + set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, + cls->sn_height); + input_set_abs_params(hi->input, + ABS_MT_ORIENTATION, 0, 1, 0, 0); + } + mt_store_field(usage, td, hi); + return 1; + case HID_DG_TIPPRESSURE: + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_PRESSURE); + set_abs(hi->input, ABS_MT_PRESSURE, field, + cls->sn_pressure); + mt_store_field(usage, td, hi); + return 1; + case HID_DG_CONTACTCOUNT: + /* Ignore if indexes are out of bounds. */ + if (field->index >= field->report->maxfield || + usage->usage_index >= field->report_count) + return 1; + td->cc_index = field->index; + td->cc_value_index = usage->usage_index; + return 1; + case HID_DG_CONTACTMAX: + /* we don't set td->last_slot_field as contactcount and + * contact max are global to the report */ + return -1; + case HID_DG_TOUCH: + /* Legacy devices use TIPSWITCH and not TOUCH. + * Let's just ignore this field. */ + return -1; + } + /* let hid-input decide for the others */ + return 0; + + case HID_UP_BUTTON: + code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); + hid_map_usage(hi, usage, bit, max, EV_KEY, code); + input_set_capability(hi->input, EV_KEY, code); + return 1; + + case 0xff000000: + /* we do not want to map these: no input-oriented meaning */ + return -1; + } + + return 0; +} + +static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->type == EV_KEY || usage->type == EV_ABS) + set_bit(usage->type, hi->input->evbit); + + return -1; +} + +static int mt_compute_slot(struct mt_device *td, struct input_dev *input) +{ + __s32 quirks = td->mtclass.quirks; + + if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) + return td->curdata.contactid; + + if (quirks & MT_QUIRK_CYPRESS) + return cypress_compute_slot(td); + + if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) + return td->num_received; + + if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) + return td->curdata.contactid - 1; + + return input_mt_get_slot_by_key(input, td->curdata.contactid); +} + +/* + * this function is called when a whole contact has been processed, + * so that it can assign it to a slot and store the data there + */ +static void mt_complete_slot(struct mt_device *td, struct input_dev *input) +{ + if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && + td->num_received >= td->num_expected) + return; + + if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { + int slotnum = mt_compute_slot(td, input); + struct mt_slot *s = &td->curdata; + struct input_mt *mt = input->mt; + + if (slotnum < 0 || slotnum >= td->maxcontacts) + return; + + if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { + struct input_mt_slot *slot = &mt->slots[slotnum]; + if (input_mt_is_active(slot) && + input_mt_is_used(mt, slot)) + return; + } + + input_mt_slot(input, slotnum); + input_mt_report_slot_state(input, MT_TOOL_FINGER, + s->touch_state || s->inrange_state); + if (s->touch_state || s->inrange_state) { + /* this finger is in proximity of the sensor */ + int wide = (s->w > s->h); + /* divided by two to match visual scale of touch */ + int major = max(s->w, s->h) >> 1; + int minor = min(s->w, s->h) >> 1; + + input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); + input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); + input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); + input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); + input_event(input, EV_ABS, ABS_MT_DISTANCE, + !s->touch_state); + input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); + input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); + input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); + input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); + } + } + + td->num_received++; +} + +/* + * this function is called when a whole packet has been received and processed, + * so that it can decide what to send to the input layer. + */ +static void mt_sync_frame(struct mt_device *td, struct input_dev *input) +{ + input_mt_sync_frame(input); + input_sync(input); + td->num_received = 0; +} + +static int mt_touch_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + /* we will handle the hidinput part later, now remains hiddev */ + if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) + hid->hiddev_hid_event(hid, field, usage, value); + + return 1; +} + +static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct mt_device *td = hid_get_drvdata(hid); + __s32 quirks = td->mtclass.quirks; + struct input_dev *input = field->hidinput->input; + + if (hid->claimed & HID_CLAIMED_INPUT) { + switch (usage->hid) { + case HID_DG_INRANGE: + if (quirks & MT_QUIRK_VALID_IS_INRANGE) + td->curvalid = value; + if (quirks & MT_QUIRK_HOVERING) + td->curdata.inrange_state = value; + break; + case HID_DG_TIPSWITCH: + if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) + td->curvalid = value; + td->curdata.touch_state = value; + break; + case HID_DG_CONFIDENCE: + if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) + td->curvalid = value; + break; + case HID_DG_CONTACTID: + td->curdata.contactid = value; + break; + case HID_DG_TIPPRESSURE: + td->curdata.p = value; + break; + case HID_GD_X: + if (usage->code == ABS_MT_TOOL_X) + td->curdata.cx = value; + else + td->curdata.x = value; + break; + case HID_GD_Y: + if (usage->code == ABS_MT_TOOL_Y) + td->curdata.cy = value; + else + td->curdata.y = value; + break; + case HID_DG_WIDTH: + td->curdata.w = value; + break; + case HID_DG_HEIGHT: + td->curdata.h = value; + break; + case HID_DG_CONTACTCOUNT: + break; + case HID_DG_TOUCH: + /* do nothing */ + break; + + default: + if (usage->type) + input_event(input, usage->type, usage->code, + value); + return; + } + + if (usage->usage_index + 1 == field->report_count) { + /* we only take into account the last report. */ + if (usage->hid == td->last_slot_field) + mt_complete_slot(td, field->hidinput->input); + } + + } +} + +static void mt_touch_report(struct hid_device *hid, struct hid_report *report) +{ + struct mt_device *td = hid_get_drvdata(hid); + struct hid_field *field; + unsigned count; + int r, n; + + /* + * Includes multi-packet support where subsequent + * packets are sent with zero contactcount. + */ + if (td->cc_index >= 0) { + struct hid_field *field = report->field[td->cc_index]; + int value = field->value[td->cc_value_index]; + if (value) + td->num_expected = value; + } + + for (r = 0; r < report->maxfield; r++) { + field = report->field[r]; + count = field->report_count; + + if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) + continue; + + for (n = 0; n < count; n++) + mt_process_mt_event(hid, field, &field->usage[n], + field->value[n]); + } + + if (td->num_received >= td->num_expected) + mt_sync_frame(td, report->field[0]->hidinput->input); +} + +static void mt_touch_input_configured(struct hid_device *hdev, + struct hid_input *hi) +{ + struct mt_device *td = hid_get_drvdata(hdev); + struct mt_class *cls = &td->mtclass; + struct input_dev *input = hi->input; + + if (!td->maxcontacts) + td->maxcontacts = MT_DEFAULT_MAXCONTACT; + + mt_post_parse(td); + if (td->serial_maybe) + mt_post_parse_default_settings(td); + + if (cls->is_indirect) + td->mt_flags |= INPUT_MT_POINTER; + + if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) + td->mt_flags |= INPUT_MT_DROP_UNUSED; + + input_mt_init_slots(input, td->maxcontacts, td->mt_flags); + + td->mt_flags = 0; +} + +static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct mt_device *td = hid_get_drvdata(hdev); + + /* + * If mtclass.export_all_inputs is not set, only map fields from + * TouchScreen or TouchPad collections. We need to ignore fields + * that belong to other collections such as Mouse that might have + * the same GenericDesktop usages. + */ + if (!td->mtclass.export_all_inputs && + field->application != HID_DG_TOUCHSCREEN && + field->application != HID_DG_PEN && + field->application != HID_DG_TOUCHPAD) + return -1; + + /* + * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" + * for the stylus. + */ + if (field->physical == HID_DG_STYLUS) + return 0; + + if (field->application == HID_DG_TOUCHSCREEN || + field->application == HID_DG_TOUCHPAD) + return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); + + /* let hid-core decide for the others */ + return 0; +} + +static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + /* + * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" + * for the stylus. + */ + if (field->physical == HID_DG_STYLUS) + return 0; + + if (field->application == HID_DG_TOUCHSCREEN || + field->application == HID_DG_TOUCHPAD) + return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); + + /* let hid-core decide for the others */ + return 0; +} + +static int mt_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct mt_device *td = hid_get_drvdata(hid); + + if (field->report->id == td->mt_report_id) + return mt_touch_event(hid, field, usage, value); + + return 0; +} + +static void mt_report(struct hid_device *hid, struct hid_report *report) +{ + struct mt_device *td = hid_get_drvdata(hid); + struct hid_field *field = report->field[0]; + + if (!(hid->claimed & HID_CLAIMED_INPUT)) + return; + + if (report->id == td->mt_report_id) + return mt_touch_report(hid, report); + + if (field && field->hidinput && field->hidinput->input) + input_sync(field->hidinput->input); +} + +static void mt_set_input_mode(struct hid_device *hdev) +{ + struct mt_device *td = hid_get_drvdata(hdev); + struct hid_report *r; + struct hid_report_enum *re; + + if (td->inputmode < 0) + return; + + re = &(hdev->report_enum[HID_FEATURE_REPORT]); + r = re->report_id_hash[td->inputmode]; + if (r) { + r->field[0]->value[td->inputmode_index] = td->inputmode_value; + hid_hw_request(hdev, r, HID_REQ_SET_REPORT); + } +} + +static void mt_set_maxcontacts(struct hid_device *hdev) +{ + struct mt_device *td = hid_get_drvdata(hdev); + struct hid_report *r; + struct hid_report_enum *re; + int fieldmax, max; + + if (td->maxcontact_report_id < 0) + return; + + if (!td->mtclass.maxcontacts) + return; + + re = &hdev->report_enum[HID_FEATURE_REPORT]; + r = re->report_id_hash[td->maxcontact_report_id]; + if (r) { + max = td->mtclass.maxcontacts; + fieldmax = r->field[0]->logical_maximum; + max = min(fieldmax, max); + if (r->field[0]->value[0] != max) { + r->field[0]->value[0] = max; + hid_hw_request(hdev, r, HID_REQ_SET_REPORT); + } + } +} + +static void mt_post_parse_default_settings(struct mt_device *td) +{ + __s32 quirks = td->mtclass.quirks; + + /* unknown serial device needs special quirks */ + if (td->touches_by_report == 1) { + quirks |= MT_QUIRK_ALWAYS_VALID; + quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; + quirks &= ~MT_QUIRK_VALID_IS_INRANGE; + quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; + quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; + } + + td->mtclass.quirks = quirks; +} + +static void mt_post_parse(struct mt_device *td) +{ + struct mt_fields *f = td->fields; + struct mt_class *cls = &td->mtclass; + + if (td->touches_by_report > 0) { + int field_count_per_touch = f->length / td->touches_by_report; + td->last_slot_field = f->usages[field_count_per_touch - 1]; + } + + if (td->cc_index < 0) + cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; +} + +static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi) +{ + struct mt_device *td = hid_get_drvdata(hdev); + char *name; + const char *suffix = NULL; + struct hid_field *field = hi->report->field[0]; + + if (hi->report->id == td->mt_report_id) + mt_touch_input_configured(hdev, hi); + + /* + * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" + * for the stylus. Check this first, and then rely on the application + * field. + */ + if (hi->report->field[0]->physical == HID_DG_STYLUS) { + suffix = "Pen"; + /* force BTN_STYLUS to allow tablet matching in udev */ + __set_bit(BTN_STYLUS, hi->input->keybit); + } else { + switch (field->application) { + case HID_GD_KEYBOARD: + suffix = "Keyboard"; + break; + case HID_GD_KEYPAD: + suffix = "Keypad"; + break; + case HID_GD_MOUSE: + suffix = "Mouse"; + break; + case HID_DG_STYLUS: + suffix = "Pen"; + /* force BTN_STYLUS to allow tablet matching in udev */ + __set_bit(BTN_STYLUS, hi->input->keybit); + break; + case HID_DG_TOUCHSCREEN: + /* we do not set suffix = "Touchscreen" */ + break; + case HID_GD_SYSTEM_CONTROL: + suffix = "System Control"; + break; + case HID_CP_CONSUMER_CONTROL: + suffix = "Consumer Control"; + break; + default: + suffix = "UNKNOWN"; + break; + } + } + + if (suffix) { + name = devm_kzalloc(&hi->input->dev, + strlen(hdev->name) + strlen(suffix) + 2, + GFP_KERNEL); + if (name) { + sprintf(name, "%s %s", hdev->name, suffix); + hi->input->name = name; + } + } +} + +static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret, i; + struct mt_device *td; + struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ + + for (i = 0; mt_classes[i].name ; i++) { + if (id->driver_data == mt_classes[i].name) { + mtclass = &(mt_classes[i]); + break; + } + } + + /* This allows the driver to correctly support devices + * that emit events over several HID messages. + */ + hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; + + /* + * This allows the driver to handle different input sensors + * that emits events through different reports on the same HID + * device. + */ + hdev->quirks |= HID_QUIRK_MULTI_INPUT; + hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; + + /* + * Handle special quirks for Windows 8 certified devices. + */ + if (id->group == HID_GROUP_MULTITOUCH_WIN_8) + /* + * Some multitouch screens do not like to be polled for input + * reports. Fortunately, the Win8 spec says that all touches + * should be sent during each report, making the initialization + * of input reports unnecessary. + */ + hdev->quirks |= HID_QUIRK_NO_INIT_INPUT_REPORTS; + + td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); + if (!td) { + dev_err(&hdev->dev, "cannot allocate multitouch data\n"); + return -ENOMEM; + } + td->mtclass = *mtclass; + td->inputmode = -1; + td->maxcontact_report_id = -1; + td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; + td->cc_index = -1; + td->mt_report_id = -1; + hid_set_drvdata(hdev, td); + + td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), + GFP_KERNEL); + if (!td->fields) { + dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); + return -ENOMEM; + } + + if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) + td->serial_maybe = true; + + ret = hid_parse(hdev); + if (ret != 0) + return ret; + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) + return ret; + + ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); + + mt_set_maxcontacts(hdev); + mt_set_input_mode(hdev); + + /* release .fields memory as it is not used anymore */ + devm_kfree(&hdev->dev, td->fields); + td->fields = NULL; + + return 0; +} + +#ifdef CONFIG_PM +static int mt_reset_resume(struct hid_device *hdev) +{ + mt_set_maxcontacts(hdev); + mt_set_input_mode(hdev); + return 0; +} + +static int mt_resume(struct hid_device *hdev) +{ + /* Some Elan legacy devices require SET_IDLE to be set on resume. + * It should be safe to send it to other devices too. + * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ + + hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); + + return 0; +} +#endif + +static void mt_remove(struct hid_device *hdev) +{ + sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); + hid_hw_stop(hdev); +} + +/* + * This list contains only: + * - VID/PID of products not working with the default multitouch handling + * - 2 generic rules. + * So there is no point in adding here any device with MT_CLS_DEFAULT. + */ +static const struct hid_device_id mt_devices[] = { + + /* 3M panels */ + { .driver_data = MT_CLS_3M, + MT_USB_DEVICE(USB_VENDOR_ID_3M, + USB_DEVICE_ID_3M1968) }, + { .driver_data = MT_CLS_3M, + MT_USB_DEVICE(USB_VENDOR_ID_3M, + USB_DEVICE_ID_3M2256) }, + { .driver_data = MT_CLS_3M, + MT_USB_DEVICE(USB_VENDOR_ID_3M, + USB_DEVICE_ID_3M3266) }, + + /* Anton devices */ + { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, + MT_USB_DEVICE(USB_VENDOR_ID_ANTON, + USB_DEVICE_ID_ANTON_TOUCH_PAD) }, + + /* Atmel panels */ + { .driver_data = MT_CLS_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, + USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, + + /* Baanto multitouch devices */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, + USB_DEVICE_ID_BAANTO_MT_190W2) }, + + /* Cando panels */ + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, + MT_USB_DEVICE(USB_VENDOR_ID_CANDO, + USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, + MT_USB_DEVICE(USB_VENDOR_ID_CANDO, + USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, + + /* Chunghwa Telecom touch panels */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, + USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, + + /* CVTouch panels */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, + USB_DEVICE_ID_CVTOUCH_SCREEN) }, + + /* eGalax devices (resistive) */ + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, + + /* eGalax devices (capacitive) */ + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, + + /* Elitegroup panel */ + { .driver_data = MT_CLS_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, + USB_DEVICE_ID_ELITEGROUP_05D8) }, + + /* Flatfrog Panels */ + { .driver_data = MT_CLS_FLATFROG, + MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, + USB_DEVICE_ID_MULTITOUCH_3200) }, + + /* FocalTech Panels */ + { .driver_data = MT_CLS_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, + USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, + + /* GeneralTouch panel */ + { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, + { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, + { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, + { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, + { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, + { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, + { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, + MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, + + /* Gametel game controller */ + { .driver_data = MT_CLS_NSMU, + MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, + USB_DEVICE_ID_GAMETEL_MT_MODE) }, + + /* GoodTouch panels */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, + USB_DEVICE_ID_GOODTOUCH_000f) }, + + /* Hanvon panels */ + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, + MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, + USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, + + /* Ilitek dual touch panel */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, + USB_DEVICE_ID_ILITEK_MULTITOUCH) }, + + /* MosArt panels */ + { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, + MT_USB_DEVICE(USB_VENDOR_ID_ASUS, + USB_DEVICE_ID_ASUS_T91MT)}, + { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, + MT_USB_DEVICE(USB_VENDOR_ID_ASUS, + USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, + { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, + MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, + USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, + + /* Panasonic panels */ + { .driver_data = MT_CLS_PANASONIC, + MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, + USB_DEVICE_ID_PANABOARD_UBT780) }, + { .driver_data = MT_CLS_PANASONIC, + MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, + USB_DEVICE_ID_PANABOARD_UBT880) }, + + /* Novatek Panel */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, + USB_DEVICE_ID_NOVATEK_PCT) }, + + /* PixArt optical touch screen */ + { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, + MT_USB_DEVICE(USB_VENDOR_ID_PIXART, + USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, + { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, + MT_USB_DEVICE(USB_VENDOR_ID_PIXART, + USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, + { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, + MT_USB_DEVICE(USB_VENDOR_ID_PIXART, + USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, + + /* PixCir-based panels */ + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, + MT_USB_DEVICE(USB_VENDOR_ID_CANDO, + USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, + + /* Quanta-based panels */ + { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, + MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, + USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, + + /* Stantum panels */ + { .driver_data = MT_CLS_CONFIDENCE, + MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, + USB_DEVICE_ID_MTP_STM)}, + + /* TopSeed panels */ + { .driver_data = MT_CLS_TOPSEED, + MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, + USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, + + /* Touch International panels */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, + USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, + + /* Unitec panels */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, + USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, + USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, + + /* Wistron panels */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, + USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, + + /* XAT */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XAT, + USB_DEVICE_ID_XAT_CSR) }, + + /* Xiroku */ + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_SPX) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_MPX) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_CSR) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_SPX1) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_MPX1) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_CSR1) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_SPX2) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_MPX2) }, + { .driver_data = MT_CLS_NSMU, + MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, + USB_DEVICE_ID_XIROKU_CSR2) }, + + /* Generic MT device */ + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, + + /* Generic Win 8 certified MT device */ + { .driver_data = MT_CLS_WIN_8, + HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, + HID_ANY_ID, HID_ANY_ID) }, + { } +}; +MODULE_DEVICE_TABLE(hid, mt_devices); + +static const struct hid_usage_id mt_grabbed_usages[] = { + { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, + { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} +}; + +static struct hid_driver mt_driver = { + .name = "hid-multitouch", + .id_table = mt_devices, + .probe = mt_probe, + .remove = mt_remove, + .input_mapping = mt_input_mapping, + .input_mapped = mt_input_mapped, + .input_configured = mt_input_configured, + .feature_mapping = mt_feature_mapping, + .usage_table = mt_grabbed_usages, + .event = mt_event, + .report = mt_report, +#ifdef CONFIG_PM + .reset_resume = mt_reset_resume, + .resume = mt_resume, +#endif +}; +module_hid_driver(mt_driver); diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c index 69169efa1e1..600f2075512 100644 --- a/drivers/hid/hid-ntrig.c +++ b/drivers/hid/hid-ntrig.c @@ -110,6 +110,37 @@ static int ntrig_version_string(unsigned char *raw, char *buf) return sprintf(buf, "%u.%u.%u.%u.%u", a, b, c, d, e); } +static inline int ntrig_get_mode(struct hid_device *hdev) +{ + struct hid_report *report = hdev->report_enum[HID_FEATURE_REPORT]. + report_id_hash[0x0d]; + + if (!report || report->maxfield < 1 || + report->field[0]->report_count < 1) + return -EINVAL; + + hid_hw_request(hdev, report, HID_REQ_GET_REPORT); + hid_hw_wait(hdev); + return (int)report->field[0]->value[0]; +} + +static inline void ntrig_set_mode(struct hid_device *hdev, const int mode) +{ + struct hid_report *report; + __u8 mode_commands[4] = { 0xe, 0xf, 0x1b, 0x10 }; + + if (mode < 0 || mode > 3) + return; + + report = hdev->report_enum[HID_FEATURE_REPORT]. + report_id_hash[mode_commands[mode]]; + + if (!report) + return; + + hid_hw_request(hdev, report, HID_REQ_GET_REPORT); +} + static void ntrig_report_version(struct hid_device *hdev) { int ret; @@ -130,8 +161,7 @@ static void ntrig_report_version(struct hid_device *hdev) if (ret == 8) { ret = ntrig_version_string(&data[2], buf); - dev_info(&hdev->dev, - "Firmware version: %s (%02x%02x %02x%02x)\n", + hid_info(hdev, "Firmware version: %s (%02x%02x %02x%02x)\n", buf, data[2], data[3], data[4], data[5]); } @@ -208,7 +238,7 @@ static ssize_t set_min_width(struct device *dev, unsigned long val; - if (strict_strtoul(buf, 0, &val)) + if (kstrtoul(buf, 0, &val)) return -EINVAL; if (val > nd->sensor_physical_width) @@ -243,7 +273,7 @@ static ssize_t set_min_height(struct device *dev, unsigned long val; - if (strict_strtoul(buf, 0, &val)) + if (kstrtoul(buf, 0, &val)) return -EINVAL; if (val > nd->sensor_physical_height) @@ -277,7 +307,7 @@ static ssize_t set_activate_slack(struct device *dev, unsigned long val; - if (strict_strtoul(buf, 0, &val)) + if (kstrtoul(buf, 0, &val)) return -EINVAL; if (val > 0x7f) @@ -312,7 +342,7 @@ static ssize_t set_activation_width(struct device *dev, unsigned long val; - if (strict_strtoul(buf, 0, &val)) + if (kstrtoul(buf, 0, &val)) return -EINVAL; if (val > nd->sensor_physical_width) @@ -348,7 +378,7 @@ static ssize_t set_activation_height(struct device *dev, unsigned long val; - if (strict_strtoul(buf, 0, &val)) + if (kstrtoul(buf, 0, &val)) return -EINVAL; if (val > nd->sensor_physical_height) @@ -382,7 +412,7 @@ static ssize_t set_deactivate_slack(struct device *dev, unsigned long val; - if (strict_strtoul(buf, 0, &val)) + if (kstrtoul(buf, 0, &val)) return -EINVAL; /* @@ -540,277 +570,288 @@ static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi, static int ntrig_event (struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) { - struct input_dev *input = field->hidinput->input; struct ntrig_data *nd = hid_get_drvdata(hid); + struct input_dev *input; + + /* Skip processing if not a claimed input */ + if (!(hid->claimed & HID_CLAIMED_INPUT)) + goto not_claimed_input; + + /* This function is being called before the structures are fully + * initialized */ + if(!(field->hidinput && field->hidinput->input)) + return -EINVAL; + + input = field->hidinput->input; /* No special handling needed for the pen */ if (field->application == HID_DG_PEN) return 0; - if (hid->claimed & HID_CLAIMED_INPUT) { - switch (usage->hid) { - case 0xff000001: - /* Tag indicating the start of a multitouch group */ - nd->reading_mt = 1; - nd->first_contact_touch = 0; - break; - case HID_DG_TIPSWITCH: - nd->tipswitch = value; - /* Prevent emission of touch until validated */ - return 1; - case HID_DG_CONFIDENCE: - nd->confidence = value; - break; - case HID_GD_X: - nd->x = value; - /* Clear the contact footer */ - nd->mt_foot_count = 0; - break; - case HID_GD_Y: - nd->y = value; - break; - case HID_DG_CONTACTID: - nd->id = value; - break; - case HID_DG_WIDTH: - nd->w = value; - break; - case HID_DG_HEIGHT: - nd->h = value; + switch (usage->hid) { + case 0xff000001: + /* Tag indicating the start of a multitouch group */ + nd->reading_mt = 1; + nd->first_contact_touch = 0; + break; + case HID_DG_TIPSWITCH: + nd->tipswitch = value; + /* Prevent emission of touch until validated */ + return 1; + case HID_DG_CONFIDENCE: + nd->confidence = value; + break; + case HID_GD_X: + nd->x = value; + /* Clear the contact footer */ + nd->mt_foot_count = 0; + break; + case HID_GD_Y: + nd->y = value; + break; + case HID_DG_CONTACTID: + nd->id = value; + break; + case HID_DG_WIDTH: + nd->w = value; + break; + case HID_DG_HEIGHT: + nd->h = value; + /* + * when in single touch mode, this is the last + * report received in a finger event. We want + * to emit a normal (X, Y) position + */ + if (!nd->reading_mt) { /* - * when in single touch mode, this is the last - * report received in a finger event. We want - * to emit a normal (X, Y) position + * TipSwitch indicates the presence of a + * finger in single touch mode. */ - if (!nd->reading_mt) { - /* - * TipSwitch indicates the presence of a - * finger in single touch mode. - */ - input_report_key(input, BTN_TOUCH, - nd->tipswitch); - input_report_key(input, BTN_TOOL_DOUBLETAP, - nd->tipswitch); - input_event(input, EV_ABS, ABS_X, nd->x); - input_event(input, EV_ABS, ABS_Y, nd->y); - } + input_report_key(input, BTN_TOUCH, + nd->tipswitch); + input_report_key(input, BTN_TOOL_DOUBLETAP, + nd->tipswitch); + input_event(input, EV_ABS, ABS_X, nd->x); + input_event(input, EV_ABS, ABS_Y, nd->y); + } + break; + case 0xff000002: + /* + * we receive this when the device is in multitouch + * mode. The first of the three values tagged with + * this usage tells if the contact point is real + * or a placeholder + */ + + /* Shouldn't get more than 4 footer packets, so skip */ + if (nd->mt_foot_count >= 4) break; - case 0xff000002: - /* - * we receive this when the device is in multitouch - * mode. The first of the three values tagged with - * this usage tells if the contact point is real - * or a placeholder - */ - /* Shouldn't get more than 4 footer packets, so skip */ - if (nd->mt_foot_count >= 4) - break; + nd->mt_footer[nd->mt_foot_count++] = value; - nd->mt_footer[nd->mt_foot_count++] = value; + /* if the footer isn't complete break */ + if (nd->mt_foot_count != 4) + break; - /* if the footer isn't complete break */ - if (nd->mt_foot_count != 4) - break; + /* Pen activity signal. */ + if (nd->mt_footer[2]) { + /* + * When the pen deactivates touch, we see a + * bogus frame with ContactCount > 0. + * We can + * save a bit of work by ensuring act_state < 0 + * even if deactivation slack is turned off. + */ + nd->act_state = deactivate_slack - 1; + nd->confidence = 0; + break; + } - /* Pen activity signal. */ - if (nd->mt_footer[2]) { - /* - * When the pen deactivates touch, we see a - * bogus frame with ContactCount > 0. - * We can - * save a bit of work by ensuring act_state < 0 - * even if deactivation slack is turned off. - */ - nd->act_state = deactivate_slack - 1; + /* + * The first footer value indicates the presence of a + * finger. + */ + if (nd->mt_footer[0]) { + /* + * We do not want to process contacts under + * the size threshold, but do not want to + * ignore them for activation state + */ + if (nd->w < nd->min_width || + nd->h < nd->min_height) nd->confidence = 0; - break; - } + } else + break; + if (nd->act_state > 0) { /* - * The first footer value indicates the presence of a - * finger. + * Contact meets the activation size threshold */ - if (nd->mt_footer[0]) { - /* - * We do not want to process contacts under - * the size threshold, but do not want to - * ignore them for activation state - */ - if (nd->w < nd->min_width || - nd->h < nd->min_height) - nd->confidence = 0; - } else - break; - - if (nd->act_state > 0) { - /* - * Contact meets the activation size threshold - */ - if (nd->w >= nd->activation_width && - nd->h >= nd->activation_height) { - if (nd->id) - /* - * first contact, activate now - */ - nd->act_state = 0; - else { - /* - * avoid corrupting this frame - * but ensure next frame will - * be active - */ - nd->act_state = 1; - break; - } - } else + if (nd->w >= nd->activation_width && + nd->h >= nd->activation_height) { + if (nd->id) + /* + * first contact, activate now + */ + nd->act_state = 0; + else { /* - * Defer adjusting the activation state - * until the end of the frame. + * avoid corrupting this frame + * but ensure next frame will + * be active */ + nd->act_state = 1; break; - } - - /* Discarding this contact */ - if (!nd->confidence) - break; - - /* emit a normal (X, Y) for the first point only */ - if (nd->id == 0) { + } + } else /* - * TipSwitch is superfluous in multitouch - * mode. The footer events tell us - * if there is a finger on the screen or - * not. + * Defer adjusting the activation state + * until the end of the frame. */ - nd->first_contact_touch = nd->confidence; - input_event(input, EV_ABS, ABS_X, nd->x); - input_event(input, EV_ABS, ABS_Y, nd->y); - } + break; + } - /* Emit MT events */ - input_event(input, EV_ABS, ABS_MT_POSITION_X, nd->x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, nd->y); + /* Discarding this contact */ + if (!nd->confidence) + break; + /* emit a normal (X, Y) for the first point only */ + if (nd->id == 0) { /* - * Translate from height and width to size - * and orientation. + * TipSwitch is superfluous in multitouch + * mode. The footer events tell us + * if there is a finger on the screen or + * not. */ - if (nd->w > nd->h) { - input_event(input, EV_ABS, - ABS_MT_ORIENTATION, 1); - input_event(input, EV_ABS, - ABS_MT_TOUCH_MAJOR, nd->w); - input_event(input, EV_ABS, - ABS_MT_TOUCH_MINOR, nd->h); - } else { - input_event(input, EV_ABS, - ABS_MT_ORIENTATION, 0); - input_event(input, EV_ABS, - ABS_MT_TOUCH_MAJOR, nd->h); - input_event(input, EV_ABS, - ABS_MT_TOUCH_MINOR, nd->w); - } - input_mt_sync(field->hidinput->input); - break; + nd->first_contact_touch = nd->confidence; + input_event(input, EV_ABS, ABS_X, nd->x); + input_event(input, EV_ABS, ABS_Y, nd->y); + } - case HID_DG_CONTACTCOUNT: /* End of a multitouch group */ - if (!nd->reading_mt) /* Just to be sure */ - break; + /* Emit MT events */ + input_event(input, EV_ABS, ABS_MT_POSITION_X, nd->x); + input_event(input, EV_ABS, ABS_MT_POSITION_Y, nd->y); + + /* + * Translate from height and width to size + * and orientation. + */ + if (nd->w > nd->h) { + input_event(input, EV_ABS, + ABS_MT_ORIENTATION, 1); + input_event(input, EV_ABS, + ABS_MT_TOUCH_MAJOR, nd->w); + input_event(input, EV_ABS, + ABS_MT_TOUCH_MINOR, nd->h); + } else { + input_event(input, EV_ABS, + ABS_MT_ORIENTATION, 0); + input_event(input, EV_ABS, + ABS_MT_TOUCH_MAJOR, nd->h); + input_event(input, EV_ABS, + ABS_MT_TOUCH_MINOR, nd->w); + } + input_mt_sync(field->hidinput->input); + break; - nd->reading_mt = 0; + case HID_DG_CONTACTCOUNT: /* End of a multitouch group */ + if (!nd->reading_mt) /* Just to be sure */ + break; + nd->reading_mt = 0; + + + /* + * Activation state machine logic: + * + * Fundamental states: + * state > 0: Inactive + * state <= 0: Active + * state < -deactivate_slack: + * Pen termination of touch + * + * Specific values of interest + * state == activate_slack + * no valid input since the last reset + * + * state == 0 + * general operational state + * + * state == -deactivate_slack + * read sufficient empty frames to accept + * the end of input and reset + */ + + if (nd->act_state > 0) { /* Currently inactive */ + if (value) + /* + * Consider each live contact as + * evidence of intentional activity. + */ + nd->act_state = (nd->act_state > value) + ? nd->act_state - value + : 0; + else + /* + * Empty frame before we hit the + * activity threshold, reset. + */ + nd->act_state = nd->activate_slack; /* - * Activation state machine logic: - * - * Fundamental states: - * state > 0: Inactive - * state <= 0: Active - * state < -deactivate_slack: - * Pen termination of touch - * - * Specific values of interest - * state == activate_slack - * no valid input since the last reset - * - * state == 0 - * general operational state - * - * state == -deactivate_slack - * read sufficient empty frames to accept - * the end of input and reset + * Entered this block inactive and no + * coordinates sent this frame, so hold off + * on button state. */ - - if (nd->act_state > 0) { /* Currently inactive */ - if (value) - /* - * Consider each live contact as - * evidence of intentional activity. - */ - nd->act_state = (nd->act_state > value) - ? nd->act_state - value - : 0; - else - /* - * Empty frame before we hit the - * activity threshold, reset. - */ - nd->act_state = nd->activate_slack; - + break; + } else { /* Currently active */ + if (value && nd->act_state >= + nd->deactivate_slack) /* - * Entered this block inactive and no - * coordinates sent this frame, so hold off - * on button state. + * Live point: clear accumulated + * deactivation count. */ - break; - } else { /* Currently active */ - if (value && nd->act_state >= - nd->deactivate_slack) - /* - * Live point: clear accumulated - * deactivation count. - */ - nd->act_state = 0; - else if (nd->act_state <= nd->deactivate_slack) - /* - * We've consumed the deactivation - * slack, time to deactivate and reset. - */ - nd->act_state = - nd->activate_slack; - else { /* Move towards deactivation */ - nd->act_state--; - break; - } - } - - if (nd->first_contact_touch && nd->act_state <= 0) { + nd->act_state = 0; + else if (nd->act_state <= nd->deactivate_slack) /* - * Check to see if we're ready to start - * emitting touch events. - * - * Note: activation slack will decrease over - * the course of the frame, and it will be - * inconsistent from the start to the end of - * the frame. However if the frame starts - * with slack, first_contact_touch will still - * be 0 and we will not get to this point. + * We've consumed the deactivation + * slack, time to deactivate and reset. */ - input_report_key(input, BTN_TOOL_DOUBLETAP, 1); - input_report_key(input, BTN_TOUCH, 1); - } else { - input_report_key(input, BTN_TOOL_DOUBLETAP, 0); - input_report_key(input, BTN_TOUCH, 0); + nd->act_state = + nd->activate_slack; + else { /* Move towards deactivation */ + nd->act_state--; + break; } - break; + } - default: - /* fall-back to the generic hidinput handling */ - return 0; + if (nd->first_contact_touch && nd->act_state <= 0) { + /* + * Check to see if we're ready to start + * emitting touch events. + * + * Note: activation slack will decrease over + * the course of the frame, and it will be + * inconsistent from the start to the end of + * the frame. However if the frame starts + * with slack, first_contact_touch will still + * be 0 and we will not get to this point. + */ + input_report_key(input, BTN_TOOL_DOUBLETAP, 1); + input_report_key(input, BTN_TOUCH, 1); + } else { + input_report_key(input, BTN_TOOL_DOUBLETAP, 0); + input_report_key(input, BTN_TOUCH, 0); } + break; + + default: + /* fall-back to the generic hidinput handling */ + return 0; } +not_claimed_input: + /* we have handled the hidinput part, now remains hiddev */ if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_hid_event) hid->hiddev_hid_event(hid, field, usage, value); @@ -818,20 +859,52 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field, return 1; } +static void ntrig_input_configured(struct hid_device *hid, + struct hid_input *hidinput) + +{ + struct input_dev *input = hidinput->input; + + if (hidinput->report->maxfield < 1) + return; + + switch (hidinput->report->field[0]->application) { + case HID_DG_PEN: + input->name = "N-Trig Pen"; + break; + case HID_DG_TOUCHSCREEN: + /* These keys are redundant for fingers, clear them + * to prevent incorrect identification */ + __clear_bit(BTN_TOOL_PEN, input->keybit); + __clear_bit(BTN_TOOL_FINGER, input->keybit); + __clear_bit(BTN_0, input->keybit); + __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); + /* + * The physical touchscreen (single touch) + * input has a value for physical, whereas + * the multitouch only has logical input + * fields. + */ + input->name = (hidinput->report->field[0]->physical) ? + "N-Trig Touchscreen" : + "N-Trig MultiTouch"; + break; + } +} + static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; struct ntrig_data *nd; - struct hid_input *hidinput; - struct input_dev *input; struct hid_report *report; if (id->driver_data) - hdev->quirks |= HID_QUIRK_MULTI_INPUT; + hdev->quirks |= HID_QUIRK_MULTI_INPUT + | HID_QUIRK_NO_INIT_REPORTS; nd = kmalloc(sizeof(struct ntrig_data), GFP_KERNEL); if (!nd) { - dev_err(&hdev->dev, "cannot allocate N-Trig data\n"); + hid_err(hdev, "cannot allocate N-Trig data\n"); return -ENOMEM; } @@ -841,61 +914,40 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id) nd->activate_slack = activate_slack; nd->act_state = activate_slack; nd->deactivate_slack = -deactivate_slack; - nd->sensor_logical_width = 0; - nd->sensor_logical_height = 0; - nd->sensor_physical_width = 0; - nd->sensor_physical_height = 0; + nd->sensor_logical_width = 1; + nd->sensor_logical_height = 1; + nd->sensor_physical_width = 1; + nd->sensor_physical_height = 1; hid_set_drvdata(hdev, nd); ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } - - list_for_each_entry(hidinput, &hdev->inputs, list) { - if (hidinput->report->maxfield < 1) - continue; - - input = hidinput->input; - switch (hidinput->report->field[0]->application) { - case HID_DG_PEN: - input->name = "N-Trig Pen"; - break; - case HID_DG_TOUCHSCREEN: - /* These keys are redundant for fingers, clear them - * to prevent incorrect identification */ - __clear_bit(BTN_TOOL_PEN, input->keybit); - __clear_bit(BTN_TOOL_FINGER, input->keybit); - __clear_bit(BTN_0, input->keybit); - __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); - /* - * The physical touchscreen (single touch) - * input has a value for physical, whereas - * the multitouch only has logical input - * fields. - */ - input->name = - (hidinput->report->field[0] - ->physical) ? - "N-Trig Touchscreen" : - "N-Trig MultiTouch"; - break; - } - } - /* This is needed for devices with more recent firmware versions */ report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0x0a]; - if (report) - usbhid_submit_report(hdev, report, USB_DIR_OUT); + if (report) { + /* Let the device settle to ensure the wakeup message gets + * through */ + hid_hw_wait(hdev); + hid_hw_request(hdev, report, HID_REQ_GET_REPORT); + + /* + * Sanity check: if the current mode is invalid reset it to + * something reasonable. + */ + if (ntrig_get_mode(hdev) >= 4) + ntrig_set_mode(hdev, 3); + } ntrig_report_version(hdev); @@ -971,20 +1023,10 @@ static struct hid_driver ntrig_driver = { .remove = ntrig_remove, .input_mapping = ntrig_input_mapping, .input_mapped = ntrig_input_mapped, + .input_configured = ntrig_input_configured, .usage_table = ntrig_grabbed_usages, .event = ntrig_event, }; +module_hid_driver(ntrig_driver); -static int __init ntrig_init(void) -{ - return hid_register_driver(&ntrig_driver); -} - -static void __exit ntrig_exit(void) -{ - hid_unregister_driver(&ntrig_driver); -} - -module_init(ntrig_init); -module_exit(ntrig_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c index 2e79716dca3..6620f15fec2 100644 --- a/drivers/hid/hid-ortek.c +++ b/drivers/hid/hid-ortek.c @@ -1,9 +1,14 @@ /* - * HID driver for Ortek WKB-2000 (wireless keyboard + mouse trackpad). - * Fixes LogicalMaximum error in USB report description, see - * http://bugzilla.kernel.org/show_bug.cgi?id=14787 + * HID driver for various devices which are apparently based on the same chipset + * from certain vendor which produces chips that contain wrong LogicalMaximum + * value in their HID report descriptor. Currently supported devices are: + * + * Ortek PKB-1700 + * Ortek WKB-2000 + * Skycable wireless presenter * * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> + * Copyright (c) 2011 Jiri Kosina */ /* @@ -23,15 +28,19 @@ static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { - dev_info(&hdev->dev, "Fixing up Ortek WKB-2000 " - "report descriptor.\n"); + hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n"); rdesc[55] = 0x92; + } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { + hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n"); + rdesc[53] = 0x65; } return rdesc; } static const struct hid_device_id ortek_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, { } }; MODULE_DEVICE_TABLE(hid, ortek_devices); @@ -41,17 +50,6 @@ static struct hid_driver ortek_driver = { .id_table = ortek_devices, .report_fixup = ortek_report_fixup }; +module_hid_driver(ortek_driver); -static int __init ortek_init(void) -{ - return hid_register_driver(&ortek_driver); -} - -static void __exit ortek_exit(void) -{ - hid_unregister_driver(&ortek_driver); -} - -module_init(ortek_init); -module_exit(ortek_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c index 308d6ae48a3..736b2502df4 100644 --- a/drivers/hid/hid-petalynx.c +++ b/drivers/hid/hid-petalynx.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -29,8 +28,7 @@ static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc, if (*rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 && rdesc[41] == 0x00 && rdesc[59] == 0x26 && rdesc[60] == 0xf9 && rdesc[61] == 0x00) { - dev_info(&hdev->dev, "fixing up Petalynx Maxter Remote report " - "descriptor\n"); + hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n"); rdesc[60] = 0xfa; rdesc[40] = 0xfa; } @@ -77,13 +75,13 @@ static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } @@ -105,17 +103,6 @@ static struct hid_driver pl_driver = { .input_mapping = pl_input_mapping, .probe = pl_probe, }; +module_hid_driver(pl_driver); -static int __init pl_init(void) -{ - return hid_register_driver(&pl_driver); -} - -static void __exit pl_exit(void) -{ - hid_unregister_driver(&pl_driver); -} - -module_init(pl_init); -module_exit(pl_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c deleted file mode 100644 index bc2e0774062..00000000000 --- a/drivers/hid/hid-picolcd.c +++ /dev/null @@ -1,2764 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2010 by Bruno Prémont <bonbons@linux-vserver.org> * - * * - * Based on Logitech G13 driver (v0.4) * - * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * - * * - * This program is free software: you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation, version 2 of the License. * - * * - * This driver is distributed in the hope that it will be useful, but * - * WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this software. If not see <http://www.gnu.org/licenses/>. * - ***************************************************************************/ - -#include <linux/hid.h> -#include <linux/hid-debug.h> -#include <linux/input.h> -#include "hid-ids.h" -#include "usbhid/usbhid.h" -#include <linux/usb.h> - -#include <linux/fb.h> -#include <linux/vmalloc.h> -#include <linux/backlight.h> -#include <linux/lcd.h> - -#include <linux/leds.h> - -#include <linux/seq_file.h> -#include <linux/debugfs.h> - -#include <linux/completion.h> -#include <linux/uaccess.h> - -#define PICOLCD_NAME "PicoLCD (graphic)" - -/* Report numbers */ -#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */ -#define ERR_SUCCESS 0x00 -#define ERR_PARAMETER_MISSING 0x01 -#define ERR_DATA_MISSING 0x02 -#define ERR_BLOCK_READ_ONLY 0x03 -#define ERR_BLOCK_NOT_ERASABLE 0x04 -#define ERR_BLOCK_TOO_BIG 0x05 -#define ERR_SECTION_OVERFLOW 0x06 -#define ERR_INVALID_CMD_LEN 0x07 -#define ERR_INVALID_DATA_LEN 0x08 -#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */ -#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */ -#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */ -#define REPORT_MEMORY 0x41 /* LCD: IN[63] */ -#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */ -#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */ -#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */ -#define REPORT_RESET 0x93 /* LCD: OUT[2] */ -#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */ -#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */ -#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */ -#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */ -#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */ -#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */ -#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */ -#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */ -#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */ -#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */ -#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */ -#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */ -#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */ -#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */ -#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */ -#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */ -#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */ -#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */ - -#ifdef CONFIG_HID_PICOLCD_FB -/* Framebuffer - * - * The PicoLCD use a Topway LCD module of 256x64 pixel - * This display area is tiled over 4 controllers with 8 tiles - * each. Each tile has 8x64 pixel, each data byte representing - * a 1-bit wide vertical line of the tile. - * - * The display can be updated at a tile granularity. - * - * Chip 1 Chip 2 Chip 3 Chip 4 - * +----------------+----------------+----------------+----------------+ - * | Tile 1 | Tile 1 | Tile 1 | Tile 1 | - * +----------------+----------------+----------------+----------------+ - * | Tile 2 | Tile 2 | Tile 2 | Tile 2 | - * +----------------+----------------+----------------+----------------+ - * ... - * +----------------+----------------+----------------+----------------+ - * | Tile 8 | Tile 8 | Tile 8 | Tile 8 | - * +----------------+----------------+----------------+----------------+ - */ -#define PICOLCDFB_NAME "picolcdfb" -#define PICOLCDFB_WIDTH (256) -#define PICOLCDFB_HEIGHT (64) -#define PICOLCDFB_SIZE (PICOLCDFB_WIDTH * PICOLCDFB_HEIGHT / 8) - -#define PICOLCDFB_UPDATE_RATE_LIMIT 10 -#define PICOLCDFB_UPDATE_RATE_DEFAULT 2 - -/* Framebuffer visual structures */ -static const struct fb_fix_screeninfo picolcdfb_fix = { - .id = PICOLCDFB_NAME, - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_MONO01, - .xpanstep = 0, - .ypanstep = 0, - .ywrapstep = 0, - .line_length = PICOLCDFB_WIDTH / 8, - .accel = FB_ACCEL_NONE, -}; - -static const struct fb_var_screeninfo picolcdfb_var = { - .xres = PICOLCDFB_WIDTH, - .yres = PICOLCDFB_HEIGHT, - .xres_virtual = PICOLCDFB_WIDTH, - .yres_virtual = PICOLCDFB_HEIGHT, - .width = 103, - .height = 26, - .bits_per_pixel = 1, - .grayscale = 1, - .red = { - .offset = 0, - .length = 1, - .msb_right = 0, - }, - .green = { - .offset = 0, - .length = 1, - .msb_right = 0, - }, - .blue = { - .offset = 0, - .length = 1, - .msb_right = 0, - }, - .transp = { - .offset = 0, - .length = 0, - .msb_right = 0, - }, -}; -#endif /* CONFIG_HID_PICOLCD_FB */ - -/* Input device - * - * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys - * and header for 4x4 key matrix. The built-in keys are part of the matrix. - */ -static const unsigned short def_keymap[] = { - KEY_RESERVED, /* none */ - KEY_BACK, /* col 4 + row 1 */ - KEY_HOMEPAGE, /* col 3 + row 1 */ - KEY_RESERVED, /* col 2 + row 1 */ - KEY_RESERVED, /* col 1 + row 1 */ - KEY_SCROLLUP, /* col 4 + row 2 */ - KEY_OK, /* col 3 + row 2 */ - KEY_SCROLLDOWN, /* col 2 + row 2 */ - KEY_RESERVED, /* col 1 + row 2 */ - KEY_RESERVED, /* col 4 + row 3 */ - KEY_RESERVED, /* col 3 + row 3 */ - KEY_RESERVED, /* col 2 + row 3 */ - KEY_RESERVED, /* col 1 + row 3 */ - KEY_RESERVED, /* col 4 + row 4 */ - KEY_RESERVED, /* col 3 + row 4 */ - KEY_RESERVED, /* col 2 + row 4 */ - KEY_RESERVED, /* col 1 + row 4 */ -}; -#define PICOLCD_KEYS ARRAY_SIZE(def_keymap) - -/* Description of in-progress IO operation, used for operations - * that trigger response from device */ -struct picolcd_pending { - struct hid_report *out_report; - struct hid_report *in_report; - struct completion ready; - int raw_size; - u8 raw_data[64]; -}; - -/* Per device data structure */ -struct picolcd_data { - struct hid_device *hdev; -#ifdef CONFIG_DEBUG_FS - struct dentry *debug_reset; - struct dentry *debug_eeprom; - struct dentry *debug_flash; - struct mutex mutex_flash; - int addr_sz; -#endif - u8 version[2]; - unsigned short opmode_delay; - /* input stuff */ - u8 pressed_keys[2]; - struct input_dev *input_keys; - struct input_dev *input_cir; - unsigned short keycode[PICOLCD_KEYS]; - -#ifdef CONFIG_HID_PICOLCD_FB - /* Framebuffer stuff */ - u8 fb_update_rate; - u8 fb_bpp; - u8 fb_force; - u8 *fb_vbitmap; /* local copy of what was sent to PicoLCD */ - u8 *fb_bitmap; /* framebuffer */ - struct fb_info *fb_info; - struct fb_deferred_io fb_defio; -#endif /* CONFIG_HID_PICOLCD_FB */ -#ifdef CONFIG_HID_PICOLCD_LCD - struct lcd_device *lcd; - u8 lcd_contrast; -#endif /* CONFIG_HID_PICOLCD_LCD */ -#ifdef CONFIG_HID_PICOLCD_BACKLIGHT - struct backlight_device *backlight; - u8 lcd_brightness; - u8 lcd_power; -#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ -#ifdef CONFIG_HID_PICOLCD_LEDS - /* LED stuff */ - u8 led_state; - struct led_classdev *led[8]; -#endif /* CONFIG_HID_PICOLCD_LEDS */ - - /* Housekeeping stuff */ - spinlock_t lock; - struct mutex mutex; - struct picolcd_pending *pending; - int status; -#define PICOLCD_BOOTLOADER 1 -#define PICOLCD_FAILED 2 -#define PICOLCD_READY_FB 4 -}; - - -/* Find a given report */ -#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT) -#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT) - -static struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir) -{ - struct list_head *feature_report_list = &hdev->report_enum[dir].report_list; - struct hid_report *report = NULL; - - list_for_each_entry(report, feature_report_list, list) { - if (report->id == id) - return report; - } - dev_warn(&hdev->dev, "No report with id 0x%x found\n", id); - return NULL; -} - -#ifdef CONFIG_DEBUG_FS -static void picolcd_debug_out_report(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report); -#define usbhid_submit_report(a, b, c) \ - do { \ - picolcd_debug_out_report(hid_get_drvdata(a), a, b); \ - usbhid_submit_report(a, b, c); \ - } while (0) -#endif - -/* Submit a report and wait for a reply from device - if device fades away - * or does not respond in time, return NULL */ -static struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev, - int report_id, const u8 *raw_data, int size) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct picolcd_pending *work; - struct hid_report *report = picolcd_out_report(report_id, hdev); - unsigned long flags; - int i, j, k; - - if (!report || !data) - return NULL; - if (data->status & PICOLCD_FAILED) - return NULL; - work = kzalloc(sizeof(*work), GFP_KERNEL); - if (!work) - return NULL; - - init_completion(&work->ready); - work->out_report = report; - work->in_report = NULL; - work->raw_size = 0; - - mutex_lock(&data->mutex); - spin_lock_irqsave(&data->lock, flags); - for (i = k = 0; i < report->maxfield; i++) - for (j = 0; j < report->field[i]->report_count; j++) { - hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0); - k++; - } - data->pending = work; - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - wait_for_completion_interruptible_timeout(&work->ready, HZ*2); - spin_lock_irqsave(&data->lock, flags); - data->pending = NULL; - spin_unlock_irqrestore(&data->lock, flags); - mutex_unlock(&data->mutex); - return work; -} - -#ifdef CONFIG_HID_PICOLCD_FB -/* Send a given tile to PicoLCD */ -static int picolcd_fb_send_tile(struct hid_device *hdev, int chip, int tile) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct hid_report *report1 = picolcd_out_report(REPORT_LCD_CMD_DATA, hdev); - struct hid_report *report2 = picolcd_out_report(REPORT_LCD_DATA, hdev); - unsigned long flags; - u8 *tdata; - int i; - - if (!report1 || report1->maxfield != 1 || !report2 || report2->maxfield != 1) - return -ENODEV; - - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report1->field[0], 0, chip << 2); - hid_set_field(report1->field[0], 1, 0x02); - hid_set_field(report1->field[0], 2, 0x00); - hid_set_field(report1->field[0], 3, 0x00); - hid_set_field(report1->field[0], 4, 0xb8 | tile); - hid_set_field(report1->field[0], 5, 0x00); - hid_set_field(report1->field[0], 6, 0x00); - hid_set_field(report1->field[0], 7, 0x40); - hid_set_field(report1->field[0], 8, 0x00); - hid_set_field(report1->field[0], 9, 0x00); - hid_set_field(report1->field[0], 10, 32); - - hid_set_field(report2->field[0], 0, (chip << 2) | 0x01); - hid_set_field(report2->field[0], 1, 0x00); - hid_set_field(report2->field[0], 2, 0x00); - hid_set_field(report2->field[0], 3, 32); - - tdata = data->fb_vbitmap + (tile * 4 + chip) * 64; - for (i = 0; i < 64; i++) - if (i < 32) - hid_set_field(report1->field[0], 11 + i, tdata[i]); - else - hid_set_field(report2->field[0], 4 + i - 32, tdata[i]); - - usbhid_submit_report(data->hdev, report1, USB_DIR_OUT); - usbhid_submit_report(data->hdev, report2, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return 0; -} - -/* Translate a single tile*/ -static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp, - int chip, int tile) -{ - int i, b, changed = 0; - u8 tdata[64]; - u8 *vdata = vbitmap + (tile * 4 + chip) * 64; - - if (bpp == 1) { - for (b = 7; b >= 0; b--) { - const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32; - for (i = 0; i < 64; i++) { - tdata[i] <<= 1; - tdata[i] |= (bdata[i/8] >> (i % 8)) & 0x01; - } - } - } else if (bpp == 8) { - for (b = 7; b >= 0; b--) { - const u8 *bdata = bitmap + (tile * 256 + chip * 8 + b * 32) * 8; - for (i = 0; i < 64; i++) { - tdata[i] <<= 1; - tdata[i] |= (bdata[i] & 0x80) ? 0x01 : 0x00; - } - } - } else { - /* Oops, we should never get here! */ - WARN_ON(1); - return 0; - } - - for (i = 0; i < 64; i++) - if (tdata[i] != vdata[i]) { - changed = 1; - vdata[i] = tdata[i]; - } - return changed; -} - -/* Reconfigure LCD display */ -static int picolcd_fb_reset(struct picolcd_data *data, int clear) -{ - struct hid_report *report = picolcd_out_report(REPORT_LCD_CMD, data->hdev); - int i, j; - unsigned long flags; - static const u8 mapcmd[8] = { 0x00, 0x02, 0x00, 0x64, 0x3f, 0x00, 0x64, 0xc0 }; - - if (!report || report->maxfield != 1) - return -ENODEV; - - spin_lock_irqsave(&data->lock, flags); - for (i = 0; i < 4; i++) { - for (j = 0; j < report->field[0]->maxusage; j++) - if (j == 0) - hid_set_field(report->field[0], j, i << 2); - else if (j < sizeof(mapcmd)) - hid_set_field(report->field[0], j, mapcmd[j]); - else - hid_set_field(report->field[0], j, 0); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - } - - data->status |= PICOLCD_READY_FB; - spin_unlock_irqrestore(&data->lock, flags); - - if (data->fb_bitmap) { - if (clear) { - memset(data->fb_vbitmap, 0, PICOLCDFB_SIZE); - memset(data->fb_bitmap, 0, PICOLCDFB_SIZE*data->fb_bpp); - } - data->fb_force = 1; - } - - /* schedule first output of framebuffer */ - if (data->fb_info) - schedule_delayed_work(&data->fb_info->deferred_work, 0); - - return 0; -} - -/* Update fb_vbitmap from the screen_base and send changed tiles to device */ -static void picolcd_fb_update(struct picolcd_data *data) -{ - int chip, tile, n; - unsigned long flags; - - if (!data) - return; - - spin_lock_irqsave(&data->lock, flags); - if (!(data->status & PICOLCD_READY_FB)) { - spin_unlock_irqrestore(&data->lock, flags); - picolcd_fb_reset(data, 0); - } else { - spin_unlock_irqrestore(&data->lock, flags); - } - - /* - * Translate the framebuffer into the format needed by the PicoLCD. - * See display layout above. - * Do this one tile after the other and push those tiles that changed. - * - * Wait for our IO to complete as otherwise we might flood the queue! - */ - n = 0; - for (chip = 0; chip < 4; chip++) - for (tile = 0; tile < 8; tile++) - if (picolcd_fb_update_tile(data->fb_vbitmap, - data->fb_bitmap, data->fb_bpp, chip, tile) || - data->fb_force) { - n += 2; - if (!data->fb_info->par) - return; /* device lost! */ - if (n >= HID_OUTPUT_FIFO_SIZE / 2) { - usbhid_wait_io(data->hdev); - n = 0; - } - picolcd_fb_send_tile(data->hdev, chip, tile); - } - data->fb_force = false; - if (n) - usbhid_wait_io(data->hdev); -} - -/* Stub to call the system default and update the image on the picoLCD */ -static void picolcd_fb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) -{ - if (!info->par) - return; - sys_fillrect(info, rect); - - schedule_delayed_work(&info->deferred_work, 0); -} - -/* Stub to call the system default and update the image on the picoLCD */ -static void picolcd_fb_copyarea(struct fb_info *info, - const struct fb_copyarea *area) -{ - if (!info->par) - return; - sys_copyarea(info, area); - - schedule_delayed_work(&info->deferred_work, 0); -} - -/* Stub to call the system default and update the image on the picoLCD */ -static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image) -{ - if (!info->par) - return; - sys_imageblit(info, image); - - schedule_delayed_work(&info->deferred_work, 0); -} - -/* - * this is the slow path from userspace. they can seek and write to - * the fb. it's inefficient to do anything less than a full screen draw - */ -static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) -{ - ssize_t ret; - if (!info->par) - return -ENODEV; - ret = fb_sys_write(info, buf, count, ppos); - if (ret >= 0) - schedule_delayed_work(&info->deferred_work, 0); - return ret; -} - -static int picolcd_fb_blank(int blank, struct fb_info *info) -{ - if (!info->par) - return -ENODEV; - /* We let fb notification do this for us via lcd/backlight device */ - return 0; -} - -static void picolcd_fb_destroy(struct fb_info *info) -{ - struct picolcd_data *data = info->par; - u32 *ref_cnt = info->pseudo_palette; - int may_release; - - info->par = NULL; - if (data) - data->fb_info = NULL; - fb_deferred_io_cleanup(info); - - ref_cnt--; - mutex_lock(&info->lock); - (*ref_cnt)--; - may_release = !*ref_cnt; - mutex_unlock(&info->lock); - if (may_release) { - vfree((u8 *)info->fix.smem_start); - framebuffer_release(info); - } -} - -static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - __u32 bpp = var->bits_per_pixel; - __u32 activate = var->activate; - - /* only allow 1/8 bit depth (8-bit is grayscale) */ - *var = picolcdfb_var; - var->activate = activate; - if (bpp >= 8) { - var->bits_per_pixel = 8; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - } else { - var->bits_per_pixel = 1; - var->red.length = 1; - var->green.length = 1; - var->blue.length = 1; - } - return 0; -} - -static int picolcd_set_par(struct fb_info *info) -{ - struct picolcd_data *data = info->par; - u8 *tmp_fb, *o_fb; - if (!data) - return -ENODEV; - if (info->var.bits_per_pixel == data->fb_bpp) - return 0; - /* switch between 1/8 bit depths */ - if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8) - return -EINVAL; - - o_fb = data->fb_bitmap; - tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL); - if (!tmp_fb) - return -ENOMEM; - - /* translate FB content to new bits-per-pixel */ - if (info->var.bits_per_pixel == 1) { - int i, b; - for (i = 0; i < PICOLCDFB_SIZE; i++) { - u8 p = 0; - for (b = 0; b < 8; b++) { - p <<= 1; - p |= o_fb[i*8+b] ? 0x01 : 0x00; - } - tmp_fb[i] = p; - } - memcpy(o_fb, tmp_fb, PICOLCDFB_SIZE); - info->fix.visual = FB_VISUAL_MONO01; - info->fix.line_length = PICOLCDFB_WIDTH / 8; - } else { - int i; - memcpy(tmp_fb, o_fb, PICOLCDFB_SIZE); - for (i = 0; i < PICOLCDFB_SIZE * 8; i++) - o_fb[i] = tmp_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00; - info->fix.visual = FB_VISUAL_DIRECTCOLOR; - info->fix.line_length = PICOLCDFB_WIDTH; - } - - kfree(tmp_fb); - data->fb_bpp = info->var.bits_per_pixel; - return 0; -} - -/* Do refcounting on our FB and cleanup per worker if FB is - * closed after unplug of our device - * (fb_release holds info->lock and still touches info after - * we return so we can't release it immediately. - */ -struct picolcd_fb_cleanup_item { - struct fb_info *info; - struct picolcd_fb_cleanup_item *next; -}; -static struct picolcd_fb_cleanup_item *fb_pending; -DEFINE_SPINLOCK(fb_pending_lock); - -static void picolcd_fb_do_cleanup(struct work_struct *data) -{ - struct picolcd_fb_cleanup_item *item; - unsigned long flags; - - do { - spin_lock_irqsave(&fb_pending_lock, flags); - item = fb_pending; - fb_pending = item ? item->next : NULL; - spin_unlock_irqrestore(&fb_pending_lock, flags); - - if (item) { - u8 *fb = (u8 *)item->info->fix.smem_start; - /* make sure we do not race against fb core when - * releasing */ - mutex_lock(&item->info->lock); - mutex_unlock(&item->info->lock); - framebuffer_release(item->info); - vfree(fb); - } - } while (item); -} - -DECLARE_WORK(picolcd_fb_cleanup, picolcd_fb_do_cleanup); - -static int picolcd_fb_open(struct fb_info *info, int u) -{ - u32 *ref_cnt = info->pseudo_palette; - ref_cnt--; - - (*ref_cnt)++; - return 0; -} - -static int picolcd_fb_release(struct fb_info *info, int u) -{ - u32 *ref_cnt = info->pseudo_palette; - ref_cnt--; - - (*ref_cnt)++; - if (!*ref_cnt) { - unsigned long flags; - struct picolcd_fb_cleanup_item *item = (struct picolcd_fb_cleanup_item *)ref_cnt; - item--; - spin_lock_irqsave(&fb_pending_lock, flags); - item->next = fb_pending; - fb_pending = item; - spin_unlock_irqrestore(&fb_pending_lock, flags); - schedule_work(&picolcd_fb_cleanup); - } - return 0; -} - -/* Note this can't be const because of struct fb_info definition */ -static struct fb_ops picolcdfb_ops = { - .owner = THIS_MODULE, - .fb_destroy = picolcd_fb_destroy, - .fb_open = picolcd_fb_open, - .fb_release = picolcd_fb_release, - .fb_read = fb_sys_read, - .fb_write = picolcd_fb_write, - .fb_blank = picolcd_fb_blank, - .fb_fillrect = picolcd_fb_fillrect, - .fb_copyarea = picolcd_fb_copyarea, - .fb_imageblit = picolcd_fb_imageblit, - .fb_check_var = picolcd_fb_check_var, - .fb_set_par = picolcd_set_par, -}; - - -/* Callback from deferred IO workqueue */ -static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist) -{ - picolcd_fb_update(info->par); -} - -static const struct fb_deferred_io picolcd_fb_defio = { - .delay = HZ / PICOLCDFB_UPDATE_RATE_DEFAULT, - .deferred_io = picolcd_fb_deferred_io, -}; - - -/* - * The "fb_update_rate" sysfs attribute - */ -static ssize_t picolcd_fb_update_rate_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - unsigned i, fb_update_rate = data->fb_update_rate; - size_t ret = 0; - - for (i = 1; i <= PICOLCDFB_UPDATE_RATE_LIMIT; i++) - if (ret >= PAGE_SIZE) - break; - else if (i == fb_update_rate) - ret += snprintf(buf+ret, PAGE_SIZE-ret, "[%u] ", i); - else - ret += snprintf(buf+ret, PAGE_SIZE-ret, "%u ", i); - if (ret > 0) - buf[min(ret, (size_t)PAGE_SIZE)-1] = '\n'; - return ret; -} - -static ssize_t picolcd_fb_update_rate_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - int i; - unsigned u; - - if (count < 1 || count > 10) - return -EINVAL; - - i = sscanf(buf, "%u", &u); - if (i != 1) - return -EINVAL; - - if (u > PICOLCDFB_UPDATE_RATE_LIMIT) - return -ERANGE; - else if (u == 0) - u = PICOLCDFB_UPDATE_RATE_DEFAULT; - - data->fb_update_rate = u; - data->fb_defio.delay = HZ / data->fb_update_rate; - return count; -} - -static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show, - picolcd_fb_update_rate_store); - -/* initialize Framebuffer device */ -static int picolcd_init_framebuffer(struct picolcd_data *data) -{ - struct device *dev = &data->hdev->dev; - struct fb_info *info = NULL; - int i, error = -ENOMEM; - u8 *fb_vbitmap = NULL; - u8 *fb_bitmap = NULL; - u32 *palette; - - fb_bitmap = vmalloc(PICOLCDFB_SIZE*8); - if (fb_bitmap == NULL) { - dev_err(dev, "can't get a free page for framebuffer\n"); - goto err_nomem; - } - - fb_vbitmap = kmalloc(PICOLCDFB_SIZE, GFP_KERNEL); - if (fb_vbitmap == NULL) { - dev_err(dev, "can't alloc vbitmap image buffer\n"); - goto err_nomem; - } - - data->fb_update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT; - data->fb_defio = picolcd_fb_defio; - /* The extra memory is: - * - struct picolcd_fb_cleanup_item - * - u32 for ref_count - * - 256*u32 for pseudo_palette - */ - info = framebuffer_alloc(257 * sizeof(u32) + sizeof(struct picolcd_fb_cleanup_item), dev); - if (info == NULL) { - dev_err(dev, "failed to allocate a framebuffer\n"); - goto err_nomem; - } - - palette = info->par + sizeof(struct picolcd_fb_cleanup_item); - *palette = 1; - palette++; - for (i = 0; i < 256; i++) - palette[i] = i > 0 && i < 16 ? 0xff : 0; - info->pseudo_palette = palette; - info->fbdefio = &data->fb_defio; - info->screen_base = (char __force __iomem *)fb_bitmap; - info->fbops = &picolcdfb_ops; - info->var = picolcdfb_var; - info->fix = picolcdfb_fix; - info->fix.smem_len = PICOLCDFB_SIZE*8; - info->fix.smem_start = (unsigned long)fb_bitmap; - info->par = data; - info->flags = FBINFO_FLAG_DEFAULT; - - data->fb_vbitmap = fb_vbitmap; - data->fb_bitmap = fb_bitmap; - data->fb_bpp = picolcdfb_var.bits_per_pixel; - error = picolcd_fb_reset(data, 1); - if (error) { - dev_err(dev, "failed to configure display\n"); - goto err_cleanup; - } - error = device_create_file(dev, &dev_attr_fb_update_rate); - if (error) { - dev_err(dev, "failed to create sysfs attributes\n"); - goto err_cleanup; - } - fb_deferred_io_init(info); - data->fb_info = info; - error = register_framebuffer(info); - if (error) { - dev_err(dev, "failed to register framebuffer\n"); - goto err_sysfs; - } - /* schedule first output of framebuffer */ - data->fb_force = 1; - schedule_delayed_work(&info->deferred_work, 0); - return 0; - -err_sysfs: - fb_deferred_io_cleanup(info); - device_remove_file(dev, &dev_attr_fb_update_rate); -err_cleanup: - data->fb_vbitmap = NULL; - data->fb_bitmap = NULL; - data->fb_bpp = 0; - data->fb_info = NULL; - -err_nomem: - framebuffer_release(info); - vfree(fb_bitmap); - kfree(fb_vbitmap); - return error; -} - -static void picolcd_exit_framebuffer(struct picolcd_data *data) -{ - struct fb_info *info = data->fb_info; - u8 *fb_vbitmap = data->fb_vbitmap; - - if (!info) - return; - - info->par = NULL; - device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate); - unregister_framebuffer(info); - data->fb_vbitmap = NULL; - data->fb_bitmap = NULL; - data->fb_bpp = 0; - data->fb_info = NULL; - kfree(fb_vbitmap); -} - -#define picolcd_fbinfo(d) ((d)->fb_info) -#else -static inline int picolcd_fb_reset(struct picolcd_data *data, int clear) -{ - return 0; -} -static inline int picolcd_init_framebuffer(struct picolcd_data *data) -{ - return 0; -} -static inline void picolcd_exit_framebuffer(struct picolcd_data *data) -{ -} -#define picolcd_fbinfo(d) NULL -#endif /* CONFIG_HID_PICOLCD_FB */ - -#ifdef CONFIG_HID_PICOLCD_BACKLIGHT -/* - * backlight class device - */ -static int picolcd_get_brightness(struct backlight_device *bdev) -{ - struct picolcd_data *data = bl_get_data(bdev); - return data->lcd_brightness; -} - -static int picolcd_set_brightness(struct backlight_device *bdev) -{ - struct picolcd_data *data = bl_get_data(bdev); - struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev); - unsigned long flags; - - if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) - return -ENODEV; - - data->lcd_brightness = bdev->props.brightness & 0x0ff; - data->lcd_power = bdev->props.power; - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return 0; -} - -static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb) -{ - return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev)); -} - -static const struct backlight_ops picolcd_blops = { - .update_status = picolcd_set_brightness, - .get_brightness = picolcd_get_brightness, - .check_fb = picolcd_check_bl_fb, -}; - -static int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report) -{ - struct device *dev = &data->hdev->dev; - struct backlight_device *bdev; - struct backlight_properties props; - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 1 || - report->field[0]->report_size != 8) { - dev_err(dev, "unsupported BRIGHTNESS report"); - return -EINVAL; - } - - memset(&props, 0, sizeof(props)); - props.max_brightness = 0xff; - bdev = backlight_device_register(dev_name(dev), dev, data, - &picolcd_blops, &props); - if (IS_ERR(bdev)) { - dev_err(dev, "failed to register backlight\n"); - return PTR_ERR(bdev); - } - bdev->props.brightness = 0xff; - data->lcd_brightness = 0xff; - data->backlight = bdev; - picolcd_set_brightness(bdev); - return 0; -} - -static void picolcd_exit_backlight(struct picolcd_data *data) -{ - struct backlight_device *bdev = data->backlight; - - data->backlight = NULL; - if (bdev) - backlight_device_unregister(bdev); -} - -static inline int picolcd_resume_backlight(struct picolcd_data *data) -{ - if (!data->backlight) - return 0; - return picolcd_set_brightness(data->backlight); -} - -#ifdef CONFIG_PM -static void picolcd_suspend_backlight(struct picolcd_data *data) -{ - int bl_power = data->lcd_power; - if (!data->backlight) - return; - - data->backlight->props.power = FB_BLANK_POWERDOWN; - picolcd_set_brightness(data->backlight); - data->lcd_power = data->backlight->props.power = bl_power; -} -#endif /* CONFIG_PM */ -#else -static inline int picolcd_init_backlight(struct picolcd_data *data, - struct hid_report *report) -{ - return 0; -} -static inline void picolcd_exit_backlight(struct picolcd_data *data) -{ -} -static inline int picolcd_resume_backlight(struct picolcd_data *data) -{ - return 0; -} -static inline void picolcd_suspend_backlight(struct picolcd_data *data) -{ -} -#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ - -#ifdef CONFIG_HID_PICOLCD_LCD -/* - * lcd class device - */ -static int picolcd_get_contrast(struct lcd_device *ldev) -{ - struct picolcd_data *data = lcd_get_data(ldev); - return data->lcd_contrast; -} - -static int picolcd_set_contrast(struct lcd_device *ldev, int contrast) -{ - struct picolcd_data *data = lcd_get_data(ldev); - struct hid_report *report = picolcd_out_report(REPORT_CONTRAST, data->hdev); - unsigned long flags; - - if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) - return -ENODEV; - - data->lcd_contrast = contrast & 0x0ff; - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, data->lcd_contrast); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return 0; -} - -static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb) -{ - return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev)); -} - -static struct lcd_ops picolcd_lcdops = { - .get_contrast = picolcd_get_contrast, - .set_contrast = picolcd_set_contrast, - .check_fb = picolcd_check_lcd_fb, -}; - -static int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report) -{ - struct device *dev = &data->hdev->dev; - struct lcd_device *ldev; - - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 1 || - report->field[0]->report_size != 8) { - dev_err(dev, "unsupported CONTRAST report"); - return -EINVAL; - } - - ldev = lcd_device_register(dev_name(dev), dev, data, &picolcd_lcdops); - if (IS_ERR(ldev)) { - dev_err(dev, "failed to register LCD\n"); - return PTR_ERR(ldev); - } - ldev->props.max_contrast = 0x0ff; - data->lcd_contrast = 0xe5; - data->lcd = ldev; - picolcd_set_contrast(ldev, 0xe5); - return 0; -} - -static void picolcd_exit_lcd(struct picolcd_data *data) -{ - struct lcd_device *ldev = data->lcd; - - data->lcd = NULL; - if (ldev) - lcd_device_unregister(ldev); -} - -static inline int picolcd_resume_lcd(struct picolcd_data *data) -{ - if (!data->lcd) - return 0; - return picolcd_set_contrast(data->lcd, data->lcd_contrast); -} -#else -static inline int picolcd_init_lcd(struct picolcd_data *data, - struct hid_report *report) -{ - return 0; -} -static inline void picolcd_exit_lcd(struct picolcd_data *data) -{ -} -static inline int picolcd_resume_lcd(struct picolcd_data *data) -{ - return 0; -} -#endif /* CONFIG_HID_PICOLCD_LCD */ - -#ifdef CONFIG_HID_PICOLCD_LEDS -/** - * LED class device - */ -static void picolcd_leds_set(struct picolcd_data *data) -{ - struct hid_report *report; - unsigned long flags; - - if (!data->led[0]) - return; - report = picolcd_out_report(REPORT_LED_STATE, data->hdev); - if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) - return; - - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, data->led_state); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); -} - -static void picolcd_led_set_brightness(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct device *dev; - struct hid_device *hdev; - struct picolcd_data *data; - int i, state = 0; - - dev = led_cdev->dev->parent; - hdev = container_of(dev, struct hid_device, dev); - data = hid_get_drvdata(hdev); - for (i = 0; i < 8; i++) { - if (led_cdev != data->led[i]) - continue; - state = (data->led_state >> i) & 1; - if (value == LED_OFF && state) { - data->led_state &= ~(1 << i); - picolcd_leds_set(data); - } else if (value != LED_OFF && !state) { - data->led_state |= 1 << i; - picolcd_leds_set(data); - } - break; - } -} - -static enum led_brightness picolcd_led_get_brightness(struct led_classdev *led_cdev) -{ - struct device *dev; - struct hid_device *hdev; - struct picolcd_data *data; - int i, value = 0; - - dev = led_cdev->dev->parent; - hdev = container_of(dev, struct hid_device, dev); - data = hid_get_drvdata(hdev); - for (i = 0; i < 8; i++) - if (led_cdev == data->led[i]) { - value = (data->led_state >> i) & 1; - break; - } - return value ? LED_FULL : LED_OFF; -} - -static int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report) -{ - struct device *dev = &data->hdev->dev; - struct led_classdev *led; - size_t name_sz = strlen(dev_name(dev)) + 8; - char *name; - int i, ret = 0; - - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 1 || - report->field[0]->report_size != 8) { - dev_err(dev, "unsupported LED_STATE report"); - return -EINVAL; - } - - for (i = 0; i < 8; i++) { - led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); - if (!led) { - dev_err(dev, "can't allocate memory for LED %d\n", i); - ret = -ENOMEM; - goto err; - } - name = (void *)(&led[1]); - snprintf(name, name_sz, "%s::GPO%d", dev_name(dev), i); - led->name = name; - led->brightness = 0; - led->max_brightness = 1; - led->brightness_get = picolcd_led_get_brightness; - led->brightness_set = picolcd_led_set_brightness; - - data->led[i] = led; - ret = led_classdev_register(dev, data->led[i]); - if (ret) { - data->led[i] = NULL; - kfree(led); - dev_err(dev, "can't register LED %d\n", i); - goto err; - } - } - return 0; -err: - for (i = 0; i < 8; i++) - if (data->led[i]) { - led = data->led[i]; - data->led[i] = NULL; - led_classdev_unregister(led); - kfree(led); - } - return ret; -} - -static void picolcd_exit_leds(struct picolcd_data *data) -{ - struct led_classdev *led; - int i; - - for (i = 0; i < 8; i++) { - led = data->led[i]; - data->led[i] = NULL; - if (!led) - continue; - led_classdev_unregister(led); - kfree(led); - } -} - -#else -static inline int picolcd_init_leds(struct picolcd_data *data, - struct hid_report *report) -{ - return 0; -} -static inline void picolcd_exit_leds(struct picolcd_data *data) -{ -} -static inline int picolcd_leds_set(struct picolcd_data *data) -{ - return 0; -} -#endif /* CONFIG_HID_PICOLCD_LEDS */ - -/* - * input class device - */ -static int picolcd_raw_keypad(struct picolcd_data *data, - struct hid_report *report, u8 *raw_data, int size) -{ - /* - * Keypad event - * First and second data bytes list currently pressed keys, - * 0x00 means no key and at most 2 keys may be pressed at same time - */ - int i, j; - - /* determine newly pressed keys */ - for (i = 0; i < size; i++) { - unsigned int key_code; - if (raw_data[i] == 0) - continue; - for (j = 0; j < sizeof(data->pressed_keys); j++) - if (data->pressed_keys[j] == raw_data[i]) - goto key_already_down; - for (j = 0; j < sizeof(data->pressed_keys); j++) - if (data->pressed_keys[j] == 0) { - data->pressed_keys[j] = raw_data[i]; - break; - } - input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]); - if (raw_data[i] < PICOLCD_KEYS) - key_code = data->keycode[raw_data[i]]; - else - key_code = KEY_UNKNOWN; - if (key_code != KEY_UNKNOWN) { - dbg_hid(PICOLCD_NAME " got key press for %u:%d", - raw_data[i], key_code); - input_report_key(data->input_keys, key_code, 1); - } - input_sync(data->input_keys); -key_already_down: - continue; - } - - /* determine newly released keys */ - for (j = 0; j < sizeof(data->pressed_keys); j++) { - unsigned int key_code; - if (data->pressed_keys[j] == 0) - continue; - for (i = 0; i < size; i++) - if (data->pressed_keys[j] == raw_data[i]) - goto key_still_down; - input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]); - if (data->pressed_keys[j] < PICOLCD_KEYS) - key_code = data->keycode[data->pressed_keys[j]]; - else - key_code = KEY_UNKNOWN; - if (key_code != KEY_UNKNOWN) { - dbg_hid(PICOLCD_NAME " got key release for %u:%d", - data->pressed_keys[j], key_code); - input_report_key(data->input_keys, key_code, 0); - } - input_sync(data->input_keys); - data->pressed_keys[j] = 0; -key_still_down: - continue; - } - return 1; -} - -static int picolcd_raw_cir(struct picolcd_data *data, - struct hid_report *report, u8 *raw_data, int size) -{ - /* Need understanding of CIR data format to implement ... */ - return 1; -} - -static int picolcd_check_version(struct hid_device *hdev) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct picolcd_pending *verinfo; - int ret = 0; - - if (!data) - return -ENODEV; - - verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0); - if (!verinfo) { - dev_err(&hdev->dev, "no version response from PicoLCD"); - return -ENODEV; - } - - if (verinfo->raw_size == 2) { - data->version[0] = verinfo->raw_data[1]; - data->version[1] = verinfo->raw_data[0]; - if (data->status & PICOLCD_BOOTLOADER) { - dev_info(&hdev->dev, "PicoLCD, bootloader version %d.%d\n", - verinfo->raw_data[1], verinfo->raw_data[0]); - } else { - dev_info(&hdev->dev, "PicoLCD, firmware version %d.%d\n", - verinfo->raw_data[1], verinfo->raw_data[0]); - } - } else { - dev_err(&hdev->dev, "confused, got unexpected version response from PicoLCD\n"); - ret = -EINVAL; - } - kfree(verinfo); - return ret; -} - -/* - * Reset our device and wait for answer to VERSION request - */ -static int picolcd_reset(struct hid_device *hdev) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev); - unsigned long flags; - int error; - - if (!data || !report || report->maxfield != 1) - return -ENODEV; - - spin_lock_irqsave(&data->lock, flags); - if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) - data->status |= PICOLCD_BOOTLOADER; - - /* perform the reset */ - hid_set_field(report->field[0], 0, 1); - usbhid_submit_report(hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - - error = picolcd_check_version(hdev); - if (error) - return error; - - picolcd_resume_lcd(data); - picolcd_resume_backlight(data); -#ifdef CONFIG_HID_PICOLCD_FB - if (data->fb_info) - schedule_delayed_work(&data->fb_info->deferred_work, 0); -#endif /* CONFIG_HID_PICOLCD_FB */ - - picolcd_leds_set(data); - return 0; -} - -/* - * The "operation_mode" sysfs attribute - */ -static ssize_t picolcd_operation_mode_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - - if (data->status & PICOLCD_BOOTLOADER) - return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n"); - else - return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n"); -} - -static ssize_t picolcd_operation_mode_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - struct hid_report *report = NULL; - size_t cnt = count; - int timeout = data->opmode_delay; - unsigned long flags; - - if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) { - if (data->status & PICOLCD_BOOTLOADER) - report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev); - buf += 3; - cnt -= 3; - } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) { - if (!(data->status & PICOLCD_BOOTLOADER)) - report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev); - buf += 10; - cnt -= 10; - } - if (!report) - return -EINVAL; - - while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) - cnt--; - if (cnt != 0) - return -EINVAL; - - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, timeout & 0xff); - hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return count; -} - -static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show, - picolcd_operation_mode_store); - -/* - * The "operation_mode_delay" sysfs attribute - */ -static ssize_t picolcd_operation_mode_delay_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - - return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay); -} - -static ssize_t picolcd_operation_mode_delay_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - unsigned u; - if (sscanf(buf, "%u", &u) != 1) - return -EINVAL; - if (u > 30000) - return -EINVAL; - else - data->opmode_delay = u; - return count; -} - -static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show, - picolcd_operation_mode_delay_store); - - -#ifdef CONFIG_DEBUG_FS -/* - * The "reset" file - */ -static int picolcd_debug_reset_show(struct seq_file *f, void *p) -{ - if (picolcd_fbinfo((struct picolcd_data *)f->private)) - seq_printf(f, "all fb\n"); - else - seq_printf(f, "all\n"); - return 0; -} - -static int picolcd_debug_reset_open(struct inode *inode, struct file *f) -{ - return single_open(f, picolcd_debug_reset_show, inode->i_private); -} - -static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct picolcd_data *data = ((struct seq_file *)f->private_data)->private; - char buf[32]; - size_t cnt = min(count, sizeof(buf)-1); - if (copy_from_user(buf, user_buf, cnt)) - return -EFAULT; - - while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n')) - cnt--; - buf[cnt] = '\0'; - if (strcmp(buf, "all") == 0) { - picolcd_reset(data->hdev); - picolcd_fb_reset(data, 1); - } else if (strcmp(buf, "fb") == 0) { - picolcd_fb_reset(data, 1); - } else { - return -EINVAL; - } - return count; -} - -static const struct file_operations picolcd_debug_reset_fops = { - .owner = THIS_MODULE, - .open = picolcd_debug_reset_open, - .read = seq_read, - .llseek = seq_lseek, - .write = picolcd_debug_reset_write, - .release = single_release, -}; - -/* - * The "eeprom" file - */ -static int picolcd_debug_eeprom_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - -static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - struct picolcd_pending *resp; - u8 raw_data[3]; - ssize_t ret = -EIO; - - if (s == 0) - return -EINVAL; - if (*off > 0x0ff) - return 0; - - /* prepare buffer with info about what we want to read (addr & len) */ - raw_data[0] = *off & 0xff; - raw_data[1] = (*off >> 8) && 0xff; - raw_data[2] = s < 20 ? s : 20; - if (*off + raw_data[2] > 0xff) - raw_data[2] = 0x100 - *off; - resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data, - sizeof(raw_data)); - if (!resp) - return -EIO; - - if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { - /* successful read :) */ - ret = resp->raw_data[2]; - if (ret > s) - ret = s; - if (copy_to_user(u, resp->raw_data+3, ret)) - ret = -EFAULT; - else - *off += ret; - } /* anything else is some kind of IO error */ - - kfree(resp); - return ret; -} - -static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - struct picolcd_pending *resp; - ssize_t ret = -EIO; - u8 raw_data[23]; - - if (s == 0) - return -EINVAL; - if (*off > 0x0ff) - return -ENOSPC; - - memset(raw_data, 0, sizeof(raw_data)); - raw_data[0] = *off & 0xff; - raw_data[1] = (*off >> 8) && 0xff; - raw_data[2] = s < 20 ? s : 20; - if (*off + raw_data[2] > 0xff) - raw_data[2] = 0x100 - *off; - - if (copy_from_user(raw_data+3, u, raw_data[2])) - return -EFAULT; - resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data, - sizeof(raw_data)); - - if (!resp) - return -EIO; - - if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { - /* check if written data matches */ - if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) { - *off += raw_data[2]; - ret = raw_data[2]; - } - } - kfree(resp); - return ret; -} - -/* - * Notes: - * - read/write happens in chunks of at most 20 bytes, it's up to userspace - * to loop in order to get more data. - * - on write errors on otherwise correct write request the bytes - * that should have been written are in undefined state. - */ -static const struct file_operations picolcd_debug_eeprom_fops = { - .owner = THIS_MODULE, - .open = picolcd_debug_eeprom_open, - .read = picolcd_debug_eeprom_read, - .write = picolcd_debug_eeprom_write, - .llseek = generic_file_llseek, -}; - -/* - * The "flash" file - */ -static int picolcd_debug_flash_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - -/* record a flash address to buf (bounds check to be done by caller) */ -static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off) -{ - buf[0] = off & 0xff; - buf[1] = (off >> 8) & 0xff; - if (data->addr_sz == 3) - buf[2] = (off >> 16) & 0xff; - return data->addr_sz == 2 ? 2 : 3; -} - -/* read a given size of data (bounds check to be done by caller) */ -static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id, - char __user *u, size_t s, loff_t *off) -{ - struct picolcd_pending *resp; - u8 raw_data[4]; - ssize_t ret = 0; - int len_off, err = -EIO; - - while (s > 0) { - err = -EIO; - len_off = _picolcd_flash_setaddr(data, raw_data, *off); - raw_data[len_off] = s > 32 ? 32 : s; - resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1); - if (!resp || !resp->in_report) - goto skip; - if (resp->in_report->id == REPORT_MEMORY || - resp->in_report->id == REPORT_BL_READ_MEMORY) { - if (memcmp(raw_data, resp->raw_data, len_off+1) != 0) - goto skip; - if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) { - err = -EFAULT; - goto skip; - } - *off += raw_data[len_off]; - s -= raw_data[len_off]; - ret += raw_data[len_off]; - err = 0; - } -skip: - kfree(resp); - if (err) - return ret > 0 ? ret : err; - } - return ret; -} - -static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - - if (s == 0) - return -EINVAL; - if (*off > 0x05fff) - return 0; - if (*off + s > 0x05fff) - s = 0x06000 - *off; - - if (data->status & PICOLCD_BOOTLOADER) - return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off); - else - return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off); -} - -/* erase block aligned to 64bytes boundary */ -static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id, - loff_t *off) -{ - struct picolcd_pending *resp; - u8 raw_data[3]; - int len_off; - ssize_t ret = -EIO; - - if (*off & 0x3f) - return -EINVAL; - - len_off = _picolcd_flash_setaddr(data, raw_data, *off); - resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off); - if (!resp || !resp->in_report) - goto skip; - if (resp->in_report->id == REPORT_MEMORY || - resp->in_report->id == REPORT_BL_ERASE_MEMORY) { - if (memcmp(raw_data, resp->raw_data, len_off) != 0) - goto skip; - ret = 0; - } -skip: - kfree(resp); - return ret; -} - -/* write a given size of data (bounds check to be done by caller) */ -static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id, - const char __user *u, size_t s, loff_t *off) -{ - struct picolcd_pending *resp; - u8 raw_data[36]; - ssize_t ret = 0; - int len_off, err = -EIO; - - while (s > 0) { - err = -EIO; - len_off = _picolcd_flash_setaddr(data, raw_data, *off); - raw_data[len_off] = s > 32 ? 32 : s; - if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) { - err = -EFAULT; - break; - } - resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, - len_off+1+raw_data[len_off]); - if (!resp || !resp->in_report) - goto skip; - if (resp->in_report->id == REPORT_MEMORY || - resp->in_report->id == REPORT_BL_WRITE_MEMORY) { - if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0) - goto skip; - *off += raw_data[len_off]; - s -= raw_data[len_off]; - ret += raw_data[len_off]; - err = 0; - } -skip: - kfree(resp); - if (err) - break; - } - return ret > 0 ? ret : err; -} - -static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - ssize_t err, ret = 0; - int report_erase, report_write; - - if (s == 0) - return -EINVAL; - if (*off > 0x5fff) - return -ENOSPC; - if (s & 0x3f) - return -EINVAL; - if (*off & 0x3f) - return -EINVAL; - - if (data->status & PICOLCD_BOOTLOADER) { - report_erase = REPORT_BL_ERASE_MEMORY; - report_write = REPORT_BL_WRITE_MEMORY; - } else { - report_erase = REPORT_ERASE_MEMORY; - report_write = REPORT_WRITE_MEMORY; - } - mutex_lock(&data->mutex_flash); - while (s > 0) { - err = _picolcd_flash_erase64(data, report_erase, off); - if (err) - break; - err = _picolcd_flash_write(data, report_write, u, 64, off); - if (err < 0) - break; - ret += err; - *off += err; - s -= err; - if (err != 64) - break; - } - mutex_unlock(&data->mutex_flash); - return ret > 0 ? ret : err; -} - -/* - * Notes: - * - concurrent writing is prevented by mutex and all writes must be - * n*64 bytes and 64-byte aligned, each write being preceeded by an - * ERASE which erases a 64byte block. - * If less than requested was written or an error is returned for an - * otherwise correct write request the next 64-byte block which should - * have been written is in undefined state (mostly: original, erased, - * (half-)written with write error) - * - reading can happend without special restriction - */ -static const struct file_operations picolcd_debug_flash_fops = { - .owner = THIS_MODULE, - .open = picolcd_debug_flash_open, - .read = picolcd_debug_flash_read, - .write = picolcd_debug_flash_write, - .llseek = generic_file_llseek, -}; - - -/* - * Helper code for HID report level dumping/debugging - */ -static const char *error_codes[] = { - "success", "parameter missing", "data_missing", "block readonly", - "block not erasable", "block too big", "section overflow", - "invalid command length", "invalid data length", -}; - -static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data, - const size_t data_len) -{ - int i, j; - for (i = j = 0; i < data_len && j + 3 < dst_sz; i++) { - dst[j++] = hex_asc[(data[i] >> 4) & 0x0f]; - dst[j++] = hex_asc[data[i] & 0x0f]; - dst[j++] = ' '; - } - if (j < dst_sz) { - dst[j--] = '\0'; - dst[j] = '\n'; - } else - dst[j] = '\0'; -} - -static void picolcd_debug_out_report(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report) -{ - u8 raw_data[70]; - int raw_size = (report->size >> 3) + 1; - char *buff; -#define BUFF_SZ 256 - - /* Avoid unnecessary overhead if debugfs is disabled */ - if (!hdev->debug_events) - return; - - buff = kmalloc(BUFF_SZ, GFP_ATOMIC); - if (!buff) - return; - - snprintf(buff, BUFF_SZ, "\nout report %d (size %d) = ", - report->id, raw_size); - hid_debug_event(hdev, buff); - if (raw_size + 5 > sizeof(raw_data)) { - hid_debug_event(hdev, " TOO BIG\n"); - return; - } else { - raw_data[0] = report->id; - hid_output_report(report, raw_data); - dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size); - hid_debug_event(hdev, buff); - } - - switch (report->id) { - case REPORT_LED_STATE: - /* 1 data byte with GPO state */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LED_STATE", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_BRIGHTNESS: - /* 1 data byte with brightness */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_BRIGHTNESS", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_CONTRAST: - /* 1 data byte with contrast */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_CONTRAST", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_RESET: - /* 2 data bytes with reset duration in ms */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_RESET", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n", - raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_LCD_CMD: - /* 63 data bytes with LCD commands */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LCD_CMD", report->id, raw_size-1); - hid_debug_event(hdev, buff); - /* TODO: format decoding */ - break; - case REPORT_LCD_DATA: - /* 63 data bytes with LCD data */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LCD_CMD", report->id, raw_size-1); - /* TODO: format decoding */ - hid_debug_event(hdev, buff); - break; - case REPORT_LCD_CMD_DATA: - /* 63 data bytes with LCD commands and data */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LCD_CMD", report->id, raw_size-1); - /* TODO: format decoding */ - hid_debug_event(hdev, buff); - break; - case REPORT_EE_READ: - /* 3 data bytes with read area description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_EE_READ", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - break; - case REPORT_EE_WRITE: - /* 3+1..20 data bytes with write area description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_EE_WRITE", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[3] + 4 <= raw_size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_ERASE_MEMORY: - case REPORT_BL_ERASE_MEMORY: - /* 3 data bytes with pointer inside erase block */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_ERASE_MEMORY", report->id, raw_size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - break; - case 3: - snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_READ_MEMORY: - case REPORT_BL_READ_MEMORY: - /* 4 data bytes with read area description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_READ_MEMORY", report->id, raw_size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - break; - case 3: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_WRITE_MEMORY: - case REPORT_BL_WRITE_MEMORY: - /* 4+1..32 data bytes with write adrea description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_WRITE_MEMORY", report->id, raw_size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[3] + 4 <= raw_size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - case 3: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); - hid_debug_event(hdev, buff); - if (raw_data[4] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[4] + 5 <= raw_size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_SPLASH_RESTART: - /* TODO */ - break; - case REPORT_EXIT_KEYBOARD: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_EXIT_KEYBOARD", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", - raw_data[1] | (raw_data[2] << 8), - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_VERSION: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_VERSION", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_DEVID: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_DEVID", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_SPLASH_SIZE: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_SPLASH_SIZE", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_HOOK_VERSION: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_HOOK_VERSION", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_EXIT_FLASHER: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_VERSION", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", - raw_data[1] | (raw_data[2] << 8), - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - default: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "<unknown>", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - } - wake_up_interruptible(&hdev->debug_wait); - kfree(buff); -} - -static void picolcd_debug_raw_event(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report, - u8 *raw_data, int size) -{ - char *buff; - -#define BUFF_SZ 256 - /* Avoid unnecessary overhead if debugfs is disabled */ - if (!hdev->debug_events) - return; - - buff = kmalloc(BUFF_SZ, GFP_ATOMIC); - if (!buff) - return; - - switch (report->id) { - case REPORT_ERROR_CODE: - /* 2 data bytes with affected report and error code */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_ERROR_CODE", report->id, size-1); - hid_debug_event(hdev, buff); - if (raw_data[2] < ARRAY_SIZE(error_codes)) - snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n", - raw_data[2], error_codes[raw_data[2]], raw_data[1]); - else - snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_KEY_STATE: - /* 2 data bytes with key state */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_KEY_STATE", report->id, size-1); - hid_debug_event(hdev, buff); - if (raw_data[1] == 0) - snprintf(buff, BUFF_SZ, "\tNo key pressed\n"); - else if (raw_data[2] == 0) - snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n", - raw_data[1], raw_data[1]); - else - snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n", - raw_data[1], raw_data[1], raw_data[2], raw_data[2]); - hid_debug_event(hdev, buff); - break; - case REPORT_IR_DATA: - /* Up to 20 byes of IR scancode data */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_IR_DATA", report->id, size-1); - hid_debug_event(hdev, buff); - if (raw_data[1] == 0) { - snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n"); - hid_debug_event(hdev, buff); - } else if (raw_data[1] + 1 <= size) { - snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ", - raw_data[1]-1); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]-1); - hid_debug_event(hdev, buff); - } else { - snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n", - raw_data[1]-1); - hid_debug_event(hdev, buff); - } - break; - case REPORT_EE_DATA: - /* Data buffer in response to REPORT_EE_READ or REPORT_EE_WRITE */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_EE_DATA", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - hid_debug_event(hdev, buff); - } else if (raw_data[3] + 4 <= size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - hid_debug_event(hdev, buff); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - hid_debug_event(hdev, buff); - } - break; - case REPORT_MEMORY: - /* Data buffer in response to REPORT_READ_MEMORY or REPORT_WRTIE_MEMORY */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[3] + 4 <= size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - case 3: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); - hid_debug_event(hdev, buff); - if (raw_data[4] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[4] + 5 <= size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_VERSION: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_VERSION", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_BL_ERASE_MEMORY: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_BL_ERASE_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - /* TODO */ - break; - case REPORT_BL_READ_MEMORY: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_BL_READ_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - /* TODO */ - break; - case REPORT_BL_WRITE_MEMORY: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_BL_WRITE_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - /* TODO */ - break; - case REPORT_DEVID: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_DEVID", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tSerial: 0x%02x%02x%02x%02x\n", - raw_data[1], raw_data[2], raw_data[3], raw_data[4]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tType: 0x%02x\n", - raw_data[5]); - hid_debug_event(hdev, buff); - break; - case REPORT_SPLASH_SIZE: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_SPLASH_SIZE", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tTotal splash space: %d\n", - (raw_data[2] << 8) | raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tUsed splash space: %d\n", - (raw_data[4] << 8) | raw_data[3]); - hid_debug_event(hdev, buff); - break; - case REPORT_HOOK_VERSION: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_HOOK_VERSION", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", - raw_data[1], raw_data[2]); - hid_debug_event(hdev, buff); - break; - default: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "<unknown>", report->id, size-1); - hid_debug_event(hdev, buff); - break; - } - wake_up_interruptible(&hdev->debug_wait); - kfree(buff); -} - -static void picolcd_init_devfs(struct picolcd_data *data, - struct hid_report *eeprom_r, struct hid_report *eeprom_w, - struct hid_report *flash_r, struct hid_report *flash_w, - struct hid_report *reset) -{ - struct hid_device *hdev = data->hdev; - - mutex_init(&data->mutex_flash); - - /* reset */ - if (reset) - data->debug_reset = debugfs_create_file("reset", 0600, - hdev->debug_dir, data, &picolcd_debug_reset_fops); - - /* eeprom */ - if (eeprom_r || eeprom_w) - data->debug_eeprom = debugfs_create_file("eeprom", - (eeprom_w ? S_IWUSR : 0) | (eeprom_r ? S_IRUSR : 0), - hdev->debug_dir, data, &picolcd_debug_eeprom_fops); - - /* flash */ - if (flash_r && flash_r->maxfield == 1 && flash_r->field[0]->report_size == 8) - data->addr_sz = flash_r->field[0]->report_count - 1; - else - data->addr_sz = -1; - if (data->addr_sz == 2 || data->addr_sz == 3) { - data->debug_flash = debugfs_create_file("flash", - (flash_w ? S_IWUSR : 0) | (flash_r ? S_IRUSR : 0), - hdev->debug_dir, data, &picolcd_debug_flash_fops); - } else if (flash_r || flash_w) - dev_warn(&hdev->dev, "Unexpected FLASH access reports, " - "please submit rdesc for review\n"); -} - -static void picolcd_exit_devfs(struct picolcd_data *data) -{ - struct dentry *dent; - - dent = data->debug_reset; - data->debug_reset = NULL; - if (dent) - debugfs_remove(dent); - dent = data->debug_eeprom; - data->debug_eeprom = NULL; - if (dent) - debugfs_remove(dent); - dent = data->debug_flash; - data->debug_flash = NULL; - if (dent) - debugfs_remove(dent); - mutex_destroy(&data->mutex_flash); -} -#else -static inline void picolcd_debug_raw_event(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report, - u8 *raw_data, int size) -{ -} -static inline void picolcd_init_devfs(struct picolcd_data *data, - struct hid_report *eeprom_r, struct hid_report *eeprom_w, - struct hid_report *flash_r, struct hid_report *flash_w, - struct hid_report *reset) -{ -} -static inline void picolcd_exit_devfs(struct picolcd_data *data) -{ -} -#endif /* CONFIG_DEBUG_FS */ - -/* - * Handle raw report as sent by device - */ -static int picolcd_raw_event(struct hid_device *hdev, - struct hid_report *report, u8 *raw_data, int size) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - unsigned long flags; - int ret = 0; - - if (!data) - return 1; - - if (report->id == REPORT_KEY_STATE) { - if (data->input_keys) - ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); - } else if (report->id == REPORT_IR_DATA) { - if (data->input_cir) - ret = picolcd_raw_cir(data, report, raw_data+1, size-1); - } else { - spin_lock_irqsave(&data->lock, flags); - /* - * We let the caller of picolcd_send_and_wait() check if the - * report we got is one of the expected ones or not. - */ - if (data->pending) { - memcpy(data->pending->raw_data, raw_data+1, size-1); - data->pending->raw_size = size-1; - data->pending->in_report = report; - complete(&data->pending->ready); - } - spin_unlock_irqrestore(&data->lock, flags); - } - - picolcd_debug_raw_event(data, hdev, report, raw_data, size); - return 1; -} - -#ifdef CONFIG_PM -static int picolcd_suspend(struct hid_device *hdev, pm_message_t message) -{ - if (message.event & PM_EVENT_AUTO) - return 0; - - picolcd_suspend_backlight(hid_get_drvdata(hdev)); - dbg_hid(PICOLCD_NAME " device ready for suspend\n"); - return 0; -} - -static int picolcd_resume(struct hid_device *hdev) -{ - int ret; - ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); - if (ret) - dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); - return 0; -} - -static int picolcd_reset_resume(struct hid_device *hdev) -{ - int ret; - ret = picolcd_reset(hdev); - if (ret) - dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret); - ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0); - if (ret) - dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret); - ret = picolcd_resume_lcd(hid_get_drvdata(hdev)); - if (ret) - dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret); - ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); - if (ret) - dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); - picolcd_leds_set(hid_get_drvdata(hdev)); - return 0; -} -#endif - -/* initialize keypad input device */ -static int picolcd_init_keys(struct picolcd_data *data, - struct hid_report *report) -{ - struct hid_device *hdev = data->hdev; - struct input_dev *idev; - int error, i; - - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 2 || - report->field[0]->report_size != 8) { - dev_err(&hdev->dev, "unsupported KEY_STATE report"); - return -EINVAL; - } - - idev = input_allocate_device(); - if (idev == NULL) { - dev_err(&hdev->dev, "failed to allocate input device"); - return -ENOMEM; - } - input_set_drvdata(idev, hdev); - memcpy(data->keycode, def_keymap, sizeof(def_keymap)); - idev->name = hdev->name; - idev->phys = hdev->phys; - idev->uniq = hdev->uniq; - idev->id.bustype = hdev->bus; - idev->id.vendor = hdev->vendor; - idev->id.product = hdev->product; - idev->id.version = hdev->version; - idev->dev.parent = hdev->dev.parent; - idev->keycode = &data->keycode; - idev->keycodemax = PICOLCD_KEYS; - idev->keycodesize = sizeof(data->keycode[0]); - input_set_capability(idev, EV_MSC, MSC_SCAN); - set_bit(EV_REP, idev->evbit); - for (i = 0; i < PICOLCD_KEYS; i++) - input_set_capability(idev, EV_KEY, data->keycode[i]); - error = input_register_device(idev); - if (error) { - dev_err(&hdev->dev, "error registering the input device"); - input_free_device(idev); - return error; - } - data->input_keys = idev; - return 0; -} - -static void picolcd_exit_keys(struct picolcd_data *data) -{ - struct input_dev *idev = data->input_keys; - - data->input_keys = NULL; - if (idev) - input_unregister_device(idev); -} - -/* initialize CIR input device */ -static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) -{ - /* support not implemented yet */ - return 0; -} - -static inline void picolcd_exit_cir(struct picolcd_data *data) -{ -} - -static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data) -{ - int error; - - error = picolcd_check_version(hdev); - if (error) - return error; - - if (data->version[0] != 0 && data->version[1] != 3) - dev_info(&hdev->dev, "Device with untested firmware revision, " - "please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n", - dev_name(&hdev->dev)); - - /* Setup keypad input device */ - error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev)); - if (error) - goto err; - - /* Setup CIR input device */ - error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev)); - if (error) - goto err; - - /* Set up the framebuffer device */ - error = picolcd_init_framebuffer(data); - if (error) - goto err; - - /* Setup lcd class device */ - error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev)); - if (error) - goto err; - - /* Setup backlight class device */ - error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev)); - if (error) - goto err; - - /* Setup the LED class devices */ - error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev)); - if (error) - goto err; - - picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev), - picolcd_out_report(REPORT_EE_WRITE, hdev), - picolcd_out_report(REPORT_READ_MEMORY, hdev), - picolcd_out_report(REPORT_WRITE_MEMORY, hdev), - picolcd_out_report(REPORT_RESET, hdev)); - return 0; -err: - picolcd_exit_leds(data); - picolcd_exit_backlight(data); - picolcd_exit_lcd(data); - picolcd_exit_framebuffer(data); - picolcd_exit_cir(data); - picolcd_exit_keys(data); - return error; -} - -static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data) -{ - int error; - - error = picolcd_check_version(hdev); - if (error) - return error; - - if (data->version[0] != 1 && data->version[1] != 0) - dev_info(&hdev->dev, "Device with untested bootloader revision, " - "please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n", - dev_name(&hdev->dev)); - - picolcd_init_devfs(data, NULL, NULL, - picolcd_out_report(REPORT_BL_READ_MEMORY, hdev), - picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL); - return 0; -} - -static int picolcd_probe(struct hid_device *hdev, - const struct hid_device_id *id) -{ - struct picolcd_data *data; - int error = -ENOMEM; - - dbg_hid(PICOLCD_NAME " hardware probe...\n"); - - /* - * Let's allocate the picolcd data structure, set some reasonable - * defaults, and associate it with the device - */ - data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL); - if (data == NULL) { - dev_err(&hdev->dev, "can't allocate space for Minibox PicoLCD device data\n"); - error = -ENOMEM; - goto err_no_cleanup; - } - - spin_lock_init(&data->lock); - mutex_init(&data->mutex); - data->hdev = hdev; - data->opmode_delay = 5000; - if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) - data->status |= PICOLCD_BOOTLOADER; - hid_set_drvdata(hdev, data); - - /* Parse the device reports and start it up */ - error = hid_parse(hdev); - if (error) { - dev_err(&hdev->dev, "device report parse failed\n"); - goto err_cleanup_data; - } - - /* We don't use hidinput but hid_hw_start() fails if nothing is - * claimed. So spoof claimed input. */ - hdev->claimed = HID_CLAIMED_INPUT; - error = hid_hw_start(hdev, 0); - hdev->claimed = 0; - if (error) { - dev_err(&hdev->dev, "hardware start failed\n"); - goto err_cleanup_data; - } - - error = hdev->ll_driver->open(hdev); - if (error) { - dev_err(&hdev->dev, "failed to open input interrupt pipe for key and IR events\n"); - goto err_cleanup_hid_hw; - } - - error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay); - if (error) { - dev_err(&hdev->dev, "failed to create sysfs attributes\n"); - goto err_cleanup_hid_ll; - } - - error = device_create_file(&hdev->dev, &dev_attr_operation_mode); - if (error) { - dev_err(&hdev->dev, "failed to create sysfs attributes\n"); - goto err_cleanup_sysfs1; - } - - if (data->status & PICOLCD_BOOTLOADER) - error = picolcd_probe_bootloader(hdev, data); - else - error = picolcd_probe_lcd(hdev, data); - if (error) - goto err_cleanup_sysfs2; - - dbg_hid(PICOLCD_NAME " activated and initialized\n"); - return 0; - -err_cleanup_sysfs2: - device_remove_file(&hdev->dev, &dev_attr_operation_mode); -err_cleanup_sysfs1: - device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); -err_cleanup_hid_ll: - hdev->ll_driver->close(hdev); -err_cleanup_hid_hw: - hid_hw_stop(hdev); -err_cleanup_data: - kfree(data); -err_no_cleanup: - hid_set_drvdata(hdev, NULL); - - return error; -} - -static void picolcd_remove(struct hid_device *hdev) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - unsigned long flags; - - dbg_hid(PICOLCD_NAME " hardware remove...\n"); - spin_lock_irqsave(&data->lock, flags); - data->status |= PICOLCD_FAILED; - spin_unlock_irqrestore(&data->lock, flags); -#ifdef CONFIG_HID_PICOLCD_FB - /* short-circuit FB as early as possible in order to - * avoid long delays if we host console. - */ - if (data->fb_info) - data->fb_info->par = NULL; -#endif - - picolcd_exit_devfs(data); - device_remove_file(&hdev->dev, &dev_attr_operation_mode); - device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); - hdev->ll_driver->close(hdev); - hid_hw_stop(hdev); - hid_set_drvdata(hdev, NULL); - - /* Shortcut potential pending reply that will never arrive */ - spin_lock_irqsave(&data->lock, flags); - if (data->pending) - complete(&data->pending->ready); - spin_unlock_irqrestore(&data->lock, flags); - - /* Cleanup LED */ - picolcd_exit_leds(data); - /* Clean up the framebuffer */ - picolcd_exit_backlight(data); - picolcd_exit_lcd(data); - picolcd_exit_framebuffer(data); - /* Cleanup input */ - picolcd_exit_cir(data); - picolcd_exit_keys(data); - - mutex_destroy(&data->mutex); - /* Finally, clean up the picolcd data itself */ - kfree(data); -} - -static const struct hid_device_id picolcd_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, - { } -}; -MODULE_DEVICE_TABLE(hid, picolcd_devices); - -static struct hid_driver picolcd_driver = { - .name = "hid-picolcd", - .id_table = picolcd_devices, - .probe = picolcd_probe, - .remove = picolcd_remove, - .raw_event = picolcd_raw_event, -#ifdef CONFIG_PM - .suspend = picolcd_suspend, - .resume = picolcd_resume, - .reset_resume = picolcd_reset_resume, -#endif -}; - -static int __init picolcd_init(void) -{ - return hid_register_driver(&picolcd_driver); -} - -static void __exit picolcd_exit(void) -{ - hid_unregister_driver(&picolcd_driver); -#ifdef CONFIG_HID_PICOLCD_FB - flush_scheduled_work(); - WARN_ON(fb_pending); -#endif -} - -module_init(picolcd_init); -module_exit(picolcd_exit); -MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-picolcd.h b/drivers/hid/hid-picolcd.h new file mode 100644 index 00000000000..e56d847b2ef --- /dev/null +++ b/drivers/hid/hid-picolcd.h @@ -0,0 +1,309 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#define PICOLCD_NAME "PicoLCD (graphic)" + +/* Report numbers */ +#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */ +#define ERR_SUCCESS 0x00 +#define ERR_PARAMETER_MISSING 0x01 +#define ERR_DATA_MISSING 0x02 +#define ERR_BLOCK_READ_ONLY 0x03 +#define ERR_BLOCK_NOT_ERASABLE 0x04 +#define ERR_BLOCK_TOO_BIG 0x05 +#define ERR_SECTION_OVERFLOW 0x06 +#define ERR_INVALID_CMD_LEN 0x07 +#define ERR_INVALID_DATA_LEN 0x08 +#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */ +#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */ +#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */ +#define REPORT_MEMORY 0x41 /* LCD: IN[63] */ +#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */ +#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */ +#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */ +#define REPORT_RESET 0x93 /* LCD: OUT[2] */ +#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */ +#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */ +#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */ +#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */ +#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */ +#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */ +#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */ +#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */ +#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */ +#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */ +#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */ +#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */ +#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */ +#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */ +#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */ +#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */ +#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */ +#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */ + +/* Description of in-progress IO operation, used for operations + * that trigger response from device */ +struct picolcd_pending { + struct hid_report *out_report; + struct hid_report *in_report; + struct completion ready; + int raw_size; + u8 raw_data[64]; +}; + + +#define PICOLCD_KEYS 17 + +/* Per device data structure */ +struct picolcd_data { + struct hid_device *hdev; +#ifdef CONFIG_DEBUG_FS + struct dentry *debug_reset; + struct dentry *debug_eeprom; + struct dentry *debug_flash; + struct mutex mutex_flash; + int addr_sz; +#endif + u8 version[2]; + unsigned short opmode_delay; + /* input stuff */ + u8 pressed_keys[2]; + struct input_dev *input_keys; +#ifdef CONFIG_HID_PICOLCD_CIR + struct rc_dev *rc_dev; +#endif + unsigned short keycode[PICOLCD_KEYS]; + +#ifdef CONFIG_HID_PICOLCD_FB + /* Framebuffer stuff */ + struct fb_info *fb_info; +#endif /* CONFIG_HID_PICOLCD_FB */ +#ifdef CONFIG_HID_PICOLCD_LCD + struct lcd_device *lcd; + u8 lcd_contrast; +#endif /* CONFIG_HID_PICOLCD_LCD */ +#ifdef CONFIG_HID_PICOLCD_BACKLIGHT + struct backlight_device *backlight; + u8 lcd_brightness; + u8 lcd_power; +#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ +#ifdef CONFIG_HID_PICOLCD_LEDS + /* LED stuff */ + u8 led_state; + struct led_classdev *led[8]; +#endif /* CONFIG_HID_PICOLCD_LEDS */ + + /* Housekeeping stuff */ + spinlock_t lock; + struct mutex mutex; + struct picolcd_pending *pending; + int status; +#define PICOLCD_BOOTLOADER 1 +#define PICOLCD_FAILED 2 +#define PICOLCD_CIR_SHUN 4 +}; + +#ifdef CONFIG_HID_PICOLCD_FB +struct picolcd_fb_data { + /* Framebuffer stuff */ + spinlock_t lock; + struct picolcd_data *picolcd; + u8 update_rate; + u8 bpp; + u8 force; + u8 ready; + u8 *vbitmap; /* local copy of what was sent to PicoLCD */ + u8 *bitmap; /* framebuffer */ +}; +#endif /* CONFIG_HID_PICOLCD_FB */ + +/* Find a given report */ +#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT) +#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT) + +struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir); + +#ifdef CONFIG_DEBUG_FS +void picolcd_debug_out_report(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report); +#define hid_hw_request(a, b, c) \ + do { \ + picolcd_debug_out_report(hid_get_drvdata(a), a, b); \ + hid_hw_request(a, b, c); \ + } while (0) + +void picolcd_debug_raw_event(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size); + +void picolcd_init_devfs(struct picolcd_data *data, + struct hid_report *eeprom_r, struct hid_report *eeprom_w, + struct hid_report *flash_r, struct hid_report *flash_w, + struct hid_report *reset); + +void picolcd_exit_devfs(struct picolcd_data *data); +#else +static inline void picolcd_debug_out_report(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report) +{ +} +static inline void picolcd_debug_raw_event(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ +} +static inline void picolcd_init_devfs(struct picolcd_data *data, + struct hid_report *eeprom_r, struct hid_report *eeprom_w, + struct hid_report *flash_r, struct hid_report *flash_w, + struct hid_report *reset) +{ +} +static inline void picolcd_exit_devfs(struct picolcd_data *data) +{ +} +#endif /* CONFIG_DEBUG_FS */ + + +#ifdef CONFIG_HID_PICOLCD_FB +int picolcd_fb_reset(struct picolcd_data *data, int clear); + +int picolcd_init_framebuffer(struct picolcd_data *data); + +void picolcd_exit_framebuffer(struct picolcd_data *data); + +void picolcd_fb_refresh(struct picolcd_data *data); +#define picolcd_fbinfo(d) ((d)->fb_info) +#else +static inline int picolcd_fb_reset(struct picolcd_data *data, int clear) +{ + return 0; +} +static inline int picolcd_init_framebuffer(struct picolcd_data *data) +{ + return 0; +} +static inline void picolcd_exit_framebuffer(struct picolcd_data *data) +{ +} +static inline void picolcd_fb_refresh(struct picolcd_data *data) +{ +} +#define picolcd_fbinfo(d) NULL +#endif /* CONFIG_HID_PICOLCD_FB */ + + +#ifdef CONFIG_HID_PICOLCD_BACKLIGHT +int picolcd_init_backlight(struct picolcd_data *data, + struct hid_report *report); + +void picolcd_exit_backlight(struct picolcd_data *data); + +int picolcd_resume_backlight(struct picolcd_data *data); + +void picolcd_suspend_backlight(struct picolcd_data *data); +#else +static inline int picolcd_init_backlight(struct picolcd_data *data, + struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_backlight(struct picolcd_data *data) +{ +} +static inline int picolcd_resume_backlight(struct picolcd_data *data) +{ + return 0; +} +static inline void picolcd_suspend_backlight(struct picolcd_data *data) +{ +} + +#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ + + +#ifdef CONFIG_HID_PICOLCD_LCD +int picolcd_init_lcd(struct picolcd_data *data, + struct hid_report *report); + +void picolcd_exit_lcd(struct picolcd_data *data); + +int picolcd_resume_lcd(struct picolcd_data *data); +#else +static inline int picolcd_init_lcd(struct picolcd_data *data, + struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_lcd(struct picolcd_data *data) +{ +} +static inline int picolcd_resume_lcd(struct picolcd_data *data) +{ + return 0; +} +#endif /* CONFIG_HID_PICOLCD_LCD */ + + +#ifdef CONFIG_HID_PICOLCD_LEDS +int picolcd_init_leds(struct picolcd_data *data, + struct hid_report *report); + +void picolcd_exit_leds(struct picolcd_data *data); + +void picolcd_leds_set(struct picolcd_data *data); +#else +static inline int picolcd_init_leds(struct picolcd_data *data, + struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_leds(struct picolcd_data *data) +{ +} +static inline void picolcd_leds_set(struct picolcd_data *data) +{ +} +#endif /* CONFIG_HID_PICOLCD_LEDS */ + + +#ifdef CONFIG_HID_PICOLCD_CIR +int picolcd_raw_cir(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size); + +int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report); + +void picolcd_exit_cir(struct picolcd_data *data); +#else +static inline int picolcd_raw_cir(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size) +{ + return 1; +} +static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_cir(struct picolcd_data *data) +{ +} +#endif /* CONFIG_HID_PICOLCD_CIR */ + +int picolcd_reset(struct hid_device *hdev); +struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev, + int report_id, const u8 *raw_data, int size); diff --git a/drivers/hid/hid-picolcd_backlight.c b/drivers/hid/hid-picolcd_backlight.c new file mode 100644 index 00000000000..a32c5f86b0b --- /dev/null +++ b/drivers/hid/hid-picolcd_backlight.c @@ -0,0 +1,120 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> + +#include <linux/fb.h> +#include <linux/backlight.h> + +#include "hid-picolcd.h" + +static int picolcd_get_brightness(struct backlight_device *bdev) +{ + struct picolcd_data *data = bl_get_data(bdev); + return data->lcd_brightness; +} + +static int picolcd_set_brightness(struct backlight_device *bdev) +{ + struct picolcd_data *data = bl_get_data(bdev); + struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev); + unsigned long flags; + + if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) + return -ENODEV; + + data->lcd_brightness = bdev->props.brightness & 0x0ff; + data->lcd_power = bdev->props.power; + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0); + if (!(data->status & PICOLCD_FAILED)) + hid_hw_request(data->hdev, report, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb) +{ + return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev)); +} + +static const struct backlight_ops picolcd_blops = { + .update_status = picolcd_set_brightness, + .get_brightness = picolcd_get_brightness, + .check_fb = picolcd_check_bl_fb, +}; + +int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report) +{ + struct device *dev = &data->hdev->dev; + struct backlight_device *bdev; + struct backlight_properties props; + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 1 || + report->field[0]->report_size != 8) { + dev_err(dev, "unsupported BRIGHTNESS report"); + return -EINVAL; + } + + memset(&props, 0, sizeof(props)); + props.type = BACKLIGHT_RAW; + props.max_brightness = 0xff; + bdev = backlight_device_register(dev_name(dev), dev, data, + &picolcd_blops, &props); + if (IS_ERR(bdev)) { + dev_err(dev, "failed to register backlight\n"); + return PTR_ERR(bdev); + } + bdev->props.brightness = 0xff; + data->lcd_brightness = 0xff; + data->backlight = bdev; + picolcd_set_brightness(bdev); + return 0; +} + +void picolcd_exit_backlight(struct picolcd_data *data) +{ + struct backlight_device *bdev = data->backlight; + + data->backlight = NULL; + if (bdev) + backlight_device_unregister(bdev); +} + +int picolcd_resume_backlight(struct picolcd_data *data) +{ + if (!data->backlight) + return 0; + return picolcd_set_brightness(data->backlight); +} + +#ifdef CONFIG_PM +void picolcd_suspend_backlight(struct picolcd_data *data) +{ + int bl_power = data->lcd_power; + if (!data->backlight) + return; + + data->backlight->props.power = FB_BLANK_POWERDOWN; + picolcd_set_brightness(data->backlight); + data->lcd_power = data->backlight->props.power = bl_power; +} +#endif /* CONFIG_PM */ + diff --git a/drivers/hid/hid-picolcd_cir.c b/drivers/hid/hid-picolcd_cir.c new file mode 100644 index 00000000000..cf1a9f1c121 --- /dev/null +++ b/drivers/hid/hid-picolcd_cir.c @@ -0,0 +1,151 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include <linux/input.h> +#include "hid-ids.h" + +#include <linux/fb.h> +#include <linux/vmalloc.h> +#include <linux/backlight.h> +#include <linux/lcd.h> + +#include <linux/leds.h> + +#include <linux/seq_file.h> +#include <linux/debugfs.h> + +#include <linux/completion.h> +#include <linux/uaccess.h> +#include <linux/module.h> +#include <media/rc-core.h> + +#include "hid-picolcd.h" + + +int picolcd_raw_cir(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size) +{ + unsigned long flags; + int i, w, sz; + DEFINE_IR_RAW_EVENT(rawir); + + /* ignore if rc_dev is NULL or status is shunned */ + spin_lock_irqsave(&data->lock, flags); + if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) { + spin_unlock_irqrestore(&data->lock, flags); + return 1; + } + spin_unlock_irqrestore(&data->lock, flags); + + /* PicoLCD USB packets contain 16-bit intervals in network order, + * with value negated for pulse. Intervals are in microseconds. + * + * Note: some userspace LIRC code for PicoLCD says negated values + * for space - is it a matter of IR chip? (pulse for my TSOP2236) + * + * In addition, the first interval seems to be around 15000 + base + * interval for non-first report of IR data - thus the quirk below + * to get RC_CODE to understand Sony and JVC remotes I have at hand + */ + sz = size > 0 ? min((int)raw_data[0], size-1) : 0; + for (i = 0; i+1 < sz; i += 2) { + init_ir_raw_event(&rawir); + w = (raw_data[i] << 8) | (raw_data[i+1]); + rawir.pulse = !!(w & 0x8000); + rawir.duration = US_TO_NS(rawir.pulse ? (65536 - w) : w); + /* Quirk!! - see above */ + if (i == 0 && rawir.duration > 15000000) + rawir.duration -= 15000000; + ir_raw_event_store(data->rc_dev, &rawir); + } + ir_raw_event_handle(data->rc_dev); + + return 1; +} + +static int picolcd_cir_open(struct rc_dev *dev) +{ + struct picolcd_data *data = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&data->lock, flags); + data->status &= ~PICOLCD_CIR_SHUN; + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +static void picolcd_cir_close(struct rc_dev *dev) +{ + struct picolcd_data *data = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&data->lock, flags); + data->status |= PICOLCD_CIR_SHUN; + spin_unlock_irqrestore(&data->lock, flags); +} + +/* initialize CIR input device */ +int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) +{ + struct rc_dev *rdev; + int ret = 0; + + rdev = rc_allocate_device(); + if (!rdev) + return -ENOMEM; + + rdev->priv = data; + rdev->driver_type = RC_DRIVER_IR_RAW; + rc_set_allowed_protocols(rdev, RC_BIT_ALL); + rdev->open = picolcd_cir_open; + rdev->close = picolcd_cir_close; + rdev->input_name = data->hdev->name; + rdev->input_phys = data->hdev->phys; + rdev->input_id.bustype = data->hdev->bus; + rdev->input_id.vendor = data->hdev->vendor; + rdev->input_id.product = data->hdev->product; + rdev->input_id.version = data->hdev->version; + rdev->dev.parent = &data->hdev->dev; + rdev->driver_name = PICOLCD_NAME; + rdev->map_name = RC_MAP_RC6_MCE; + rdev->timeout = MS_TO_NS(100); + rdev->rx_resolution = US_TO_NS(1); + + ret = rc_register_device(rdev); + if (ret) + goto err; + data->rc_dev = rdev; + return 0; + +err: + rc_free_device(rdev); + return ret; +} + +void picolcd_exit_cir(struct picolcd_data *data) +{ + struct rc_dev *rdev = data->rc_dev; + + data->rc_dev = NULL; + if (rdev) + rc_unregister_device(rdev); +} + diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c new file mode 100644 index 00000000000..acbb021065e --- /dev/null +++ b/drivers/hid/hid-picolcd_core.c @@ -0,0 +1,676 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include <linux/input.h> +#include "hid-ids.h" + +#include <linux/fb.h> +#include <linux/vmalloc.h> + +#include <linux/completion.h> +#include <linux/uaccess.h> +#include <linux/module.h> + +#include "hid-picolcd.h" + + +/* Input device + * + * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys + * and header for 4x4 key matrix. The built-in keys are part of the matrix. + */ +static const unsigned short def_keymap[PICOLCD_KEYS] = { + KEY_RESERVED, /* none */ + KEY_BACK, /* col 4 + row 1 */ + KEY_HOMEPAGE, /* col 3 + row 1 */ + KEY_RESERVED, /* col 2 + row 1 */ + KEY_RESERVED, /* col 1 + row 1 */ + KEY_SCROLLUP, /* col 4 + row 2 */ + KEY_OK, /* col 3 + row 2 */ + KEY_SCROLLDOWN, /* col 2 + row 2 */ + KEY_RESERVED, /* col 1 + row 2 */ + KEY_RESERVED, /* col 4 + row 3 */ + KEY_RESERVED, /* col 3 + row 3 */ + KEY_RESERVED, /* col 2 + row 3 */ + KEY_RESERVED, /* col 1 + row 3 */ + KEY_RESERVED, /* col 4 + row 4 */ + KEY_RESERVED, /* col 3 + row 4 */ + KEY_RESERVED, /* col 2 + row 4 */ + KEY_RESERVED, /* col 1 + row 4 */ +}; + + +/* Find a given report */ +struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir) +{ + struct list_head *feature_report_list = &hdev->report_enum[dir].report_list; + struct hid_report *report = NULL; + + list_for_each_entry(report, feature_report_list, list) { + if (report->id == id) + return report; + } + hid_warn(hdev, "No report with id 0x%x found\n", id); + return NULL; +} + +/* Submit a report and wait for a reply from device - if device fades away + * or does not respond in time, return NULL */ +struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev, + int report_id, const u8 *raw_data, int size) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + struct picolcd_pending *work; + struct hid_report *report = picolcd_out_report(report_id, hdev); + unsigned long flags; + int i, j, k; + + if (!report || !data) + return NULL; + if (data->status & PICOLCD_FAILED) + return NULL; + work = kzalloc(sizeof(*work), GFP_KERNEL); + if (!work) + return NULL; + + init_completion(&work->ready); + work->out_report = report; + work->in_report = NULL; + work->raw_size = 0; + + mutex_lock(&data->mutex); + spin_lock_irqsave(&data->lock, flags); + for (i = k = 0; i < report->maxfield; i++) + for (j = 0; j < report->field[i]->report_count; j++) { + hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0); + k++; + } + if (data->status & PICOLCD_FAILED) { + kfree(work); + work = NULL; + } else { + data->pending = work; + hid_hw_request(data->hdev, report, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); + wait_for_completion_interruptible_timeout(&work->ready, HZ*2); + spin_lock_irqsave(&data->lock, flags); + data->pending = NULL; + } + spin_unlock_irqrestore(&data->lock, flags); + mutex_unlock(&data->mutex); + return work; +} + +/* + * input class device + */ +static int picolcd_raw_keypad(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size) +{ + /* + * Keypad event + * First and second data bytes list currently pressed keys, + * 0x00 means no key and at most 2 keys may be pressed at same time + */ + int i, j; + + /* determine newly pressed keys */ + for (i = 0; i < size; i++) { + unsigned int key_code; + if (raw_data[i] == 0) + continue; + for (j = 0; j < sizeof(data->pressed_keys); j++) + if (data->pressed_keys[j] == raw_data[i]) + goto key_already_down; + for (j = 0; j < sizeof(data->pressed_keys); j++) + if (data->pressed_keys[j] == 0) { + data->pressed_keys[j] = raw_data[i]; + break; + } + input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]); + if (raw_data[i] < PICOLCD_KEYS) + key_code = data->keycode[raw_data[i]]; + else + key_code = KEY_UNKNOWN; + if (key_code != KEY_UNKNOWN) { + dbg_hid(PICOLCD_NAME " got key press for %u:%d", + raw_data[i], key_code); + input_report_key(data->input_keys, key_code, 1); + } + input_sync(data->input_keys); +key_already_down: + continue; + } + + /* determine newly released keys */ + for (j = 0; j < sizeof(data->pressed_keys); j++) { + unsigned int key_code; + if (data->pressed_keys[j] == 0) + continue; + for (i = 0; i < size; i++) + if (data->pressed_keys[j] == raw_data[i]) + goto key_still_down; + input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]); + if (data->pressed_keys[j] < PICOLCD_KEYS) + key_code = data->keycode[data->pressed_keys[j]]; + else + key_code = KEY_UNKNOWN; + if (key_code != KEY_UNKNOWN) { + dbg_hid(PICOLCD_NAME " got key release for %u:%d", + data->pressed_keys[j], key_code); + input_report_key(data->input_keys, key_code, 0); + } + input_sync(data->input_keys); + data->pressed_keys[j] = 0; +key_still_down: + continue; + } + return 1; +} + +static int picolcd_check_version(struct hid_device *hdev) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + struct picolcd_pending *verinfo; + int ret = 0; + + if (!data) + return -ENODEV; + + verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0); + if (!verinfo) { + hid_err(hdev, "no version response from PicoLCD\n"); + return -ENODEV; + } + + if (verinfo->raw_size == 2) { + data->version[0] = verinfo->raw_data[1]; + data->version[1] = verinfo->raw_data[0]; + if (data->status & PICOLCD_BOOTLOADER) { + hid_info(hdev, "PicoLCD, bootloader version %d.%d\n", + verinfo->raw_data[1], verinfo->raw_data[0]); + } else { + hid_info(hdev, "PicoLCD, firmware version %d.%d\n", + verinfo->raw_data[1], verinfo->raw_data[0]); + } + } else { + hid_err(hdev, "confused, got unexpected version response from PicoLCD\n"); + ret = -EINVAL; + } + kfree(verinfo); + return ret; +} + +/* + * Reset our device and wait for answer to VERSION request + */ +int picolcd_reset(struct hid_device *hdev) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev); + unsigned long flags; + int error; + + if (!data || !report || report->maxfield != 1) + return -ENODEV; + + spin_lock_irqsave(&data->lock, flags); + if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) + data->status |= PICOLCD_BOOTLOADER; + + /* perform the reset */ + hid_set_field(report->field[0], 0, 1); + if (data->status & PICOLCD_FAILED) { + spin_unlock_irqrestore(&data->lock, flags); + return -ENODEV; + } + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); + + error = picolcd_check_version(hdev); + if (error) + return error; + + picolcd_resume_lcd(data); + picolcd_resume_backlight(data); + picolcd_fb_refresh(data); + picolcd_leds_set(data); + return 0; +} + +/* + * The "operation_mode" sysfs attribute + */ +static ssize_t picolcd_operation_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + + if (data->status & PICOLCD_BOOTLOADER) + return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n"); + else + return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n"); +} + +static ssize_t picolcd_operation_mode_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + struct hid_report *report = NULL; + size_t cnt = count; + int timeout = data->opmode_delay; + unsigned long flags; + + if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) { + if (data->status & PICOLCD_BOOTLOADER) + report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev); + buf += 3; + cnt -= 3; + } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) { + if (!(data->status & PICOLCD_BOOTLOADER)) + report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev); + buf += 10; + cnt -= 10; + } + if (!report || report->maxfield != 1) + return -EINVAL; + + while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) + cnt--; + if (cnt != 0) + return -EINVAL; + + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, timeout & 0xff); + hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff); + hid_hw_request(data->hdev, report, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); + return count; +} + +static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show, + picolcd_operation_mode_store); + +/* + * The "operation_mode_delay" sysfs attribute + */ +static ssize_t picolcd_operation_mode_delay_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + + return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay); +} + +static ssize_t picolcd_operation_mode_delay_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + unsigned u; + if (sscanf(buf, "%u", &u) != 1) + return -EINVAL; + if (u > 30000) + return -EINVAL; + else + data->opmode_delay = u; + return count; +} + +static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show, + picolcd_operation_mode_delay_store); + +/* + * Handle raw report as sent by device + */ +static int picolcd_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *raw_data, int size) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + unsigned long flags; + int ret = 0; + + if (!data) + return 1; + + if (report->id == REPORT_KEY_STATE) { + if (data->input_keys) + ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); + } else if (report->id == REPORT_IR_DATA) { + ret = picolcd_raw_cir(data, report, raw_data+1, size-1); + } else { + spin_lock_irqsave(&data->lock, flags); + /* + * We let the caller of picolcd_send_and_wait() check if the + * report we got is one of the expected ones or not. + */ + if (data->pending) { + memcpy(data->pending->raw_data, raw_data+1, size-1); + data->pending->raw_size = size-1; + data->pending->in_report = report; + complete(&data->pending->ready); + } + spin_unlock_irqrestore(&data->lock, flags); + } + + picolcd_debug_raw_event(data, hdev, report, raw_data, size); + return 1; +} + +#ifdef CONFIG_PM +static int picolcd_suspend(struct hid_device *hdev, pm_message_t message) +{ + if (PMSG_IS_AUTO(message)) + return 0; + + picolcd_suspend_backlight(hid_get_drvdata(hdev)); + dbg_hid(PICOLCD_NAME " device ready for suspend\n"); + return 0; +} + +static int picolcd_resume(struct hid_device *hdev) +{ + int ret; + ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); + if (ret) + dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); + return 0; +} + +static int picolcd_reset_resume(struct hid_device *hdev) +{ + int ret; + ret = picolcd_reset(hdev); + if (ret) + dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret); + ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0); + if (ret) + dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret); + ret = picolcd_resume_lcd(hid_get_drvdata(hdev)); + if (ret) + dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret); + ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); + if (ret) + dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); + picolcd_leds_set(hid_get_drvdata(hdev)); + return 0; +} +#endif + +/* initialize keypad input device */ +static int picolcd_init_keys(struct picolcd_data *data, + struct hid_report *report) +{ + struct hid_device *hdev = data->hdev; + struct input_dev *idev; + int error, i; + + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 2 || + report->field[0]->report_size != 8) { + hid_err(hdev, "unsupported KEY_STATE report\n"); + return -EINVAL; + } + + idev = input_allocate_device(); + if (idev == NULL) { + hid_err(hdev, "failed to allocate input device\n"); + return -ENOMEM; + } + input_set_drvdata(idev, hdev); + memcpy(data->keycode, def_keymap, sizeof(def_keymap)); + idev->name = hdev->name; + idev->phys = hdev->phys; + idev->uniq = hdev->uniq; + idev->id.bustype = hdev->bus; + idev->id.vendor = hdev->vendor; + idev->id.product = hdev->product; + idev->id.version = hdev->version; + idev->dev.parent = &hdev->dev; + idev->keycode = &data->keycode; + idev->keycodemax = PICOLCD_KEYS; + idev->keycodesize = sizeof(data->keycode[0]); + input_set_capability(idev, EV_MSC, MSC_SCAN); + set_bit(EV_REP, idev->evbit); + for (i = 0; i < PICOLCD_KEYS; i++) + input_set_capability(idev, EV_KEY, data->keycode[i]); + error = input_register_device(idev); + if (error) { + hid_err(hdev, "error registering the input device\n"); + input_free_device(idev); + return error; + } + data->input_keys = idev; + return 0; +} + +static void picolcd_exit_keys(struct picolcd_data *data) +{ + struct input_dev *idev = data->input_keys; + + data->input_keys = NULL; + if (idev) + input_unregister_device(idev); +} + +static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data) +{ + int error; + + /* Setup keypad input device */ + error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev)); + if (error) + goto err; + + /* Setup CIR input device */ + error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev)); + if (error) + goto err; + + /* Set up the framebuffer device */ + error = picolcd_init_framebuffer(data); + if (error) + goto err; + + /* Setup lcd class device */ + error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev)); + if (error) + goto err; + + /* Setup backlight class device */ + error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev)); + if (error) + goto err; + + /* Setup the LED class devices */ + error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev)); + if (error) + goto err; + + picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev), + picolcd_out_report(REPORT_EE_WRITE, hdev), + picolcd_out_report(REPORT_READ_MEMORY, hdev), + picolcd_out_report(REPORT_WRITE_MEMORY, hdev), + picolcd_out_report(REPORT_RESET, hdev)); + return 0; +err: + picolcd_exit_leds(data); + picolcd_exit_backlight(data); + picolcd_exit_lcd(data); + picolcd_exit_framebuffer(data); + picolcd_exit_cir(data); + picolcd_exit_keys(data); + return error; +} + +static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data) +{ + picolcd_init_devfs(data, NULL, NULL, + picolcd_out_report(REPORT_BL_READ_MEMORY, hdev), + picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL); + return 0; +} + +static int picolcd_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + struct picolcd_data *data; + int error = -ENOMEM; + + dbg_hid(PICOLCD_NAME " hardware probe...\n"); + + /* + * Let's allocate the picolcd data structure, set some reasonable + * defaults, and associate it with the device + */ + data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL); + if (data == NULL) { + hid_err(hdev, "can't allocate space for Minibox PicoLCD device data\n"); + error = -ENOMEM; + goto err_no_cleanup; + } + + spin_lock_init(&data->lock); + mutex_init(&data->mutex); + data->hdev = hdev; + data->opmode_delay = 5000; + if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) + data->status |= PICOLCD_BOOTLOADER; + hid_set_drvdata(hdev, data); + + /* Parse the device reports and start it up */ + error = hid_parse(hdev); + if (error) { + hid_err(hdev, "device report parse failed\n"); + goto err_cleanup_data; + } + + error = hid_hw_start(hdev, 0); + if (error) { + hid_err(hdev, "hardware start failed\n"); + goto err_cleanup_data; + } + + error = hid_hw_open(hdev); + if (error) { + hid_err(hdev, "failed to open input interrupt pipe for key and IR events\n"); + goto err_cleanup_hid_hw; + } + + error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay); + if (error) { + hid_err(hdev, "failed to create sysfs attributes\n"); + goto err_cleanup_hid_ll; + } + + error = device_create_file(&hdev->dev, &dev_attr_operation_mode); + if (error) { + hid_err(hdev, "failed to create sysfs attributes\n"); + goto err_cleanup_sysfs1; + } + + if (data->status & PICOLCD_BOOTLOADER) + error = picolcd_probe_bootloader(hdev, data); + else + error = picolcd_probe_lcd(hdev, data); + if (error) + goto err_cleanup_sysfs2; + + dbg_hid(PICOLCD_NAME " activated and initialized\n"); + return 0; + +err_cleanup_sysfs2: + device_remove_file(&hdev->dev, &dev_attr_operation_mode); +err_cleanup_sysfs1: + device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); +err_cleanup_hid_ll: + hid_hw_close(hdev); +err_cleanup_hid_hw: + hid_hw_stop(hdev); +err_cleanup_data: + kfree(data); +err_no_cleanup: + hid_set_drvdata(hdev, NULL); + + return error; +} + +static void picolcd_remove(struct hid_device *hdev) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + unsigned long flags; + + dbg_hid(PICOLCD_NAME " hardware remove...\n"); + spin_lock_irqsave(&data->lock, flags); + data->status |= PICOLCD_FAILED; + spin_unlock_irqrestore(&data->lock, flags); + + picolcd_exit_devfs(data); + device_remove_file(&hdev->dev, &dev_attr_operation_mode); + device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); + hid_hw_close(hdev); + hid_hw_stop(hdev); + + /* Shortcut potential pending reply that will never arrive */ + spin_lock_irqsave(&data->lock, flags); + if (data->pending) + complete(&data->pending->ready); + spin_unlock_irqrestore(&data->lock, flags); + + /* Cleanup LED */ + picolcd_exit_leds(data); + /* Clean up the framebuffer */ + picolcd_exit_backlight(data); + picolcd_exit_lcd(data); + picolcd_exit_framebuffer(data); + /* Cleanup input */ + picolcd_exit_cir(data); + picolcd_exit_keys(data); + + hid_set_drvdata(hdev, NULL); + mutex_destroy(&data->mutex); + /* Finally, clean up the picolcd data itself */ + kfree(data); +} + +static const struct hid_device_id picolcd_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, + { } +}; +MODULE_DEVICE_TABLE(hid, picolcd_devices); + +static struct hid_driver picolcd_driver = { + .name = "hid-picolcd", + .id_table = picolcd_devices, + .probe = picolcd_probe, + .remove = picolcd_remove, + .raw_event = picolcd_raw_event, +#ifdef CONFIG_PM + .suspend = picolcd_suspend, + .resume = picolcd_resume, + .reset_resume = picolcd_reset_resume, +#endif +}; +module_hid_driver(picolcd_driver); + +MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-picolcd_debugfs.c b/drivers/hid/hid-picolcd_debugfs.c new file mode 100644 index 00000000000..024cdf3c229 --- /dev/null +++ b/drivers/hid/hid-picolcd_debugfs.c @@ -0,0 +1,898 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> + +#include <linux/fb.h> +#include <linux/seq_file.h> +#include <linux/debugfs.h> + +#include <linux/module.h> +#include <linux/uaccess.h> + +#include "hid-picolcd.h" + + +static int picolcd_debug_reset_show(struct seq_file *f, void *p) +{ + if (picolcd_fbinfo((struct picolcd_data *)f->private)) + seq_printf(f, "all fb\n"); + else + seq_printf(f, "all\n"); + return 0; +} + +static int picolcd_debug_reset_open(struct inode *inode, struct file *f) +{ + return single_open(f, picolcd_debug_reset_show, inode->i_private); +} + +static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct picolcd_data *data = ((struct seq_file *)f->private_data)->private; + char buf[32]; + size_t cnt = min(count, sizeof(buf)-1); + if (copy_from_user(buf, user_buf, cnt)) + return -EFAULT; + + while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n')) + cnt--; + buf[cnt] = '\0'; + if (strcmp(buf, "all") == 0) { + picolcd_reset(data->hdev); + picolcd_fb_reset(data, 1); + } else if (strcmp(buf, "fb") == 0) { + picolcd_fb_reset(data, 1); + } else { + return -EINVAL; + } + return count; +} + +static const struct file_operations picolcd_debug_reset_fops = { + .owner = THIS_MODULE, + .open = picolcd_debug_reset_open, + .read = seq_read, + .llseek = seq_lseek, + .write = picolcd_debug_reset_write, + .release = single_release, +}; + +/* + * The "eeprom" file + */ +static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + struct picolcd_pending *resp; + u8 raw_data[3]; + ssize_t ret = -EIO; + + if (s == 0) + return -EINVAL; + if (*off > 0x0ff) + return 0; + + /* prepare buffer with info about what we want to read (addr & len) */ + raw_data[0] = *off & 0xff; + raw_data[1] = (*off >> 8) & 0xff; + raw_data[2] = s < 20 ? s : 20; + if (*off + raw_data[2] > 0xff) + raw_data[2] = 0x100 - *off; + resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data, + sizeof(raw_data)); + if (!resp) + return -EIO; + + if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { + /* successful read :) */ + ret = resp->raw_data[2]; + if (ret > s) + ret = s; + if (copy_to_user(u, resp->raw_data+3, ret)) + ret = -EFAULT; + else + *off += ret; + } /* anything else is some kind of IO error */ + + kfree(resp); + return ret; +} + +static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + struct picolcd_pending *resp; + ssize_t ret = -EIO; + u8 raw_data[23]; + + if (s == 0) + return -EINVAL; + if (*off > 0x0ff) + return -ENOSPC; + + memset(raw_data, 0, sizeof(raw_data)); + raw_data[0] = *off & 0xff; + raw_data[1] = (*off >> 8) & 0xff; + raw_data[2] = min_t(size_t, 20, s); + if (*off + raw_data[2] > 0xff) + raw_data[2] = 0x100 - *off; + + if (copy_from_user(raw_data+3, u, min((u8)20, raw_data[2]))) + return -EFAULT; + resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data, + sizeof(raw_data)); + + if (!resp) + return -EIO; + + if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { + /* check if written data matches */ + if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) { + *off += raw_data[2]; + ret = raw_data[2]; + } + } + kfree(resp); + return ret; +} + +/* + * Notes: + * - read/write happens in chunks of at most 20 bytes, it's up to userspace + * to loop in order to get more data. + * - on write errors on otherwise correct write request the bytes + * that should have been written are in undefined state. + */ +static const struct file_operations picolcd_debug_eeprom_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = picolcd_debug_eeprom_read, + .write = picolcd_debug_eeprom_write, + .llseek = generic_file_llseek, +}; + +/* + * The "flash" file + */ +/* record a flash address to buf (bounds check to be done by caller) */ +static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off) +{ + buf[0] = off & 0xff; + buf[1] = (off >> 8) & 0xff; + if (data->addr_sz == 3) + buf[2] = (off >> 16) & 0xff; + return data->addr_sz == 2 ? 2 : 3; +} + +/* read a given size of data (bounds check to be done by caller) */ +static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id, + char __user *u, size_t s, loff_t *off) +{ + struct picolcd_pending *resp; + u8 raw_data[4]; + ssize_t ret = 0; + int len_off, err = -EIO; + + while (s > 0) { + err = -EIO; + len_off = _picolcd_flash_setaddr(data, raw_data, *off); + raw_data[len_off] = s > 32 ? 32 : s; + resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1); + if (!resp || !resp->in_report) + goto skip; + if (resp->in_report->id == REPORT_MEMORY || + resp->in_report->id == REPORT_BL_READ_MEMORY) { + if (memcmp(raw_data, resp->raw_data, len_off+1) != 0) + goto skip; + if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) { + err = -EFAULT; + goto skip; + } + *off += raw_data[len_off]; + s -= raw_data[len_off]; + ret += raw_data[len_off]; + err = 0; + } +skip: + kfree(resp); + if (err) + return ret > 0 ? ret : err; + } + return ret; +} + +static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + + if (s == 0) + return -EINVAL; + if (*off > 0x05fff) + return 0; + if (*off + s > 0x05fff) + s = 0x06000 - *off; + + if (data->status & PICOLCD_BOOTLOADER) + return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off); + else + return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off); +} + +/* erase block aligned to 64bytes boundary */ +static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id, + loff_t *off) +{ + struct picolcd_pending *resp; + u8 raw_data[3]; + int len_off; + ssize_t ret = -EIO; + + if (*off & 0x3f) + return -EINVAL; + + len_off = _picolcd_flash_setaddr(data, raw_data, *off); + resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off); + if (!resp || !resp->in_report) + goto skip; + if (resp->in_report->id == REPORT_MEMORY || + resp->in_report->id == REPORT_BL_ERASE_MEMORY) { + if (memcmp(raw_data, resp->raw_data, len_off) != 0) + goto skip; + ret = 0; + } +skip: + kfree(resp); + return ret; +} + +/* write a given size of data (bounds check to be done by caller) */ +static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id, + const char __user *u, size_t s, loff_t *off) +{ + struct picolcd_pending *resp; + u8 raw_data[36]; + ssize_t ret = 0; + int len_off, err = -EIO; + + while (s > 0) { + err = -EIO; + len_off = _picolcd_flash_setaddr(data, raw_data, *off); + raw_data[len_off] = s > 32 ? 32 : s; + if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) { + err = -EFAULT; + break; + } + resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, + len_off+1+raw_data[len_off]); + if (!resp || !resp->in_report) + goto skip; + if (resp->in_report->id == REPORT_MEMORY || + resp->in_report->id == REPORT_BL_WRITE_MEMORY) { + if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0) + goto skip; + *off += raw_data[len_off]; + s -= raw_data[len_off]; + ret += raw_data[len_off]; + err = 0; + } +skip: + kfree(resp); + if (err) + break; + } + return ret > 0 ? ret : err; +} + +static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + ssize_t err, ret = 0; + int report_erase, report_write; + + if (s == 0) + return -EINVAL; + if (*off > 0x5fff) + return -ENOSPC; + if (s & 0x3f) + return -EINVAL; + if (*off & 0x3f) + return -EINVAL; + + if (data->status & PICOLCD_BOOTLOADER) { + report_erase = REPORT_BL_ERASE_MEMORY; + report_write = REPORT_BL_WRITE_MEMORY; + } else { + report_erase = REPORT_ERASE_MEMORY; + report_write = REPORT_WRITE_MEMORY; + } + mutex_lock(&data->mutex_flash); + while (s > 0) { + err = _picolcd_flash_erase64(data, report_erase, off); + if (err) + break; + err = _picolcd_flash_write(data, report_write, u, 64, off); + if (err < 0) + break; + ret += err; + *off += err; + s -= err; + if (err != 64) + break; + } + mutex_unlock(&data->mutex_flash); + return ret > 0 ? ret : err; +} + +/* + * Notes: + * - concurrent writing is prevented by mutex and all writes must be + * n*64 bytes and 64-byte aligned, each write being preceded by an + * ERASE which erases a 64byte block. + * If less than requested was written or an error is returned for an + * otherwise correct write request the next 64-byte block which should + * have been written is in undefined state (mostly: original, erased, + * (half-)written with write error) + * - reading can happen without special restriction + */ +static const struct file_operations picolcd_debug_flash_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = picolcd_debug_flash_read, + .write = picolcd_debug_flash_write, + .llseek = generic_file_llseek, +}; + + +/* + * Helper code for HID report level dumping/debugging + */ +static const char * const error_codes[] = { + "success", "parameter missing", "data_missing", "block readonly", + "block not erasable", "block too big", "section overflow", + "invalid command length", "invalid data length", +}; + +static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data, + const size_t data_len) +{ + int i, j; + for (i = j = 0; i < data_len && j + 4 < dst_sz; i++) { + dst[j++] = hex_asc[(data[i] >> 4) & 0x0f]; + dst[j++] = hex_asc[data[i] & 0x0f]; + dst[j++] = ' '; + } + dst[j] = '\0'; + if (j > 0) + dst[j-1] = '\n'; + if (i < data_len && j > 2) + dst[j-2] = dst[j-3] = '.'; +} + +void picolcd_debug_out_report(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report) +{ + u8 *raw_data; + int raw_size = (report->size >> 3) + 1; + char *buff; +#define BUFF_SZ 256 + + /* Avoid unnecessary overhead if debugfs is disabled */ + if (list_empty(&hdev->debug_list)) + return; + + buff = kmalloc(BUFF_SZ, GFP_ATOMIC); + if (!buff) + return; + + raw_data = hid_alloc_report_buf(report, GFP_ATOMIC); + if (!raw_data) { + kfree(buff); + return; + } + + snprintf(buff, BUFF_SZ, "\nout report %d (size %d) = ", + report->id, raw_size); + hid_debug_event(hdev, buff); + raw_data[0] = report->id; + hid_output_report(report, raw_data); + dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size); + hid_debug_event(hdev, buff); + + switch (report->id) { + case REPORT_LED_STATE: + /* 1 data byte with GPO state */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LED_STATE", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_BRIGHTNESS: + /* 1 data byte with brightness */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_BRIGHTNESS", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_CONTRAST: + /* 1 data byte with contrast */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_CONTRAST", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_RESET: + /* 2 data bytes with reset duration in ms */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_RESET", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n", + raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_LCD_CMD: + /* 63 data bytes with LCD commands */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LCD_CMD", report->id, raw_size-1); + hid_debug_event(hdev, buff); + /* TODO: format decoding */ + break; + case REPORT_LCD_DATA: + /* 63 data bytes with LCD data */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LCD_CMD", report->id, raw_size-1); + /* TODO: format decoding */ + hid_debug_event(hdev, buff); + break; + case REPORT_LCD_CMD_DATA: + /* 63 data bytes with LCD commands and data */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LCD_CMD", report->id, raw_size-1); + /* TODO: format decoding */ + hid_debug_event(hdev, buff); + break; + case REPORT_EE_READ: + /* 3 data bytes with read area description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_EE_READ", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + break; + case REPORT_EE_WRITE: + /* 3+1..20 data bytes with write area description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_EE_WRITE", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[3] + 4 <= raw_size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_ERASE_MEMORY: + case REPORT_BL_ERASE_MEMORY: + /* 3 data bytes with pointer inside erase block */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_ERASE_MEMORY", report->id, raw_size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + break; + case 3: + snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_READ_MEMORY: + case REPORT_BL_READ_MEMORY: + /* 4 data bytes with read area description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_READ_MEMORY", report->id, raw_size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + break; + case 3: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_WRITE_MEMORY: + case REPORT_BL_WRITE_MEMORY: + /* 4+1..32 data bytes with write adrea description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_WRITE_MEMORY", report->id, raw_size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[3] + 4 <= raw_size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + case 3: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); + hid_debug_event(hdev, buff); + if (raw_data[4] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[4] + 5 <= raw_size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_SPLASH_RESTART: + /* TODO */ + break; + case REPORT_EXIT_KEYBOARD: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_EXIT_KEYBOARD", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", + raw_data[1] | (raw_data[2] << 8), + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_VERSION: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_VERSION", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_DEVID: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_DEVID", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_SPLASH_SIZE: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_SPLASH_SIZE", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_HOOK_VERSION: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_HOOK_VERSION", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_EXIT_FLASHER: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_VERSION", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", + raw_data[1] | (raw_data[2] << 8), + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + default: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "<unknown>", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + } + wake_up_interruptible(&hdev->debug_wait); + kfree(raw_data); + kfree(buff); +} + +void picolcd_debug_raw_event(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ + char *buff; + +#define BUFF_SZ 256 + /* Avoid unnecessary overhead if debugfs is disabled */ + if (list_empty(&hdev->debug_list)) + return; + + buff = kmalloc(BUFF_SZ, GFP_ATOMIC); + if (!buff) + return; + + switch (report->id) { + case REPORT_ERROR_CODE: + /* 2 data bytes with affected report and error code */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_ERROR_CODE", report->id, size-1); + hid_debug_event(hdev, buff); + if (raw_data[2] < ARRAY_SIZE(error_codes)) + snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n", + raw_data[2], error_codes[raw_data[2]], raw_data[1]); + else + snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_KEY_STATE: + /* 2 data bytes with key state */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_KEY_STATE", report->id, size-1); + hid_debug_event(hdev, buff); + if (raw_data[1] == 0) + snprintf(buff, BUFF_SZ, "\tNo key pressed\n"); + else if (raw_data[2] == 0) + snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n", + raw_data[1], raw_data[1]); + else + snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n", + raw_data[1], raw_data[1], raw_data[2], raw_data[2]); + hid_debug_event(hdev, buff); + break; + case REPORT_IR_DATA: + /* Up to 20 byes of IR scancode data */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_IR_DATA", report->id, size-1); + hid_debug_event(hdev, buff); + if (raw_data[1] == 0) { + snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n"); + hid_debug_event(hdev, buff); + } else if (raw_data[1] + 1 <= size) { + snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ", + raw_data[1]); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]); + hid_debug_event(hdev, buff); + } else { + snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n", + raw_data[1]-1); + hid_debug_event(hdev, buff); + } + break; + case REPORT_EE_DATA: + /* Data buffer in response to REPORT_EE_READ or REPORT_EE_WRITE */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_EE_DATA", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + hid_debug_event(hdev, buff); + } else if (raw_data[3] + 4 <= size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + hid_debug_event(hdev, buff); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + hid_debug_event(hdev, buff); + } + break; + case REPORT_MEMORY: + /* Data buffer in response to REPORT_READ_MEMORY or REPORT_WRTIE_MEMORY */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[3] + 4 <= size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + case 3: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); + hid_debug_event(hdev, buff); + if (raw_data[4] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[4] + 5 <= size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_VERSION: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_VERSION", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_BL_ERASE_MEMORY: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_BL_ERASE_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + /* TODO */ + break; + case REPORT_BL_READ_MEMORY: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_BL_READ_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + /* TODO */ + break; + case REPORT_BL_WRITE_MEMORY: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_BL_WRITE_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + /* TODO */ + break; + case REPORT_DEVID: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_DEVID", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tSerial: 0x%02x%02x%02x%02x\n", + raw_data[1], raw_data[2], raw_data[3], raw_data[4]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tType: 0x%02x\n", + raw_data[5]); + hid_debug_event(hdev, buff); + break; + case REPORT_SPLASH_SIZE: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_SPLASH_SIZE", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tTotal splash space: %d\n", + (raw_data[2] << 8) | raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tUsed splash space: %d\n", + (raw_data[4] << 8) | raw_data[3]); + hid_debug_event(hdev, buff); + break; + case REPORT_HOOK_VERSION: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_HOOK_VERSION", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", + raw_data[1], raw_data[2]); + hid_debug_event(hdev, buff); + break; + default: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "<unknown>", report->id, size-1); + hid_debug_event(hdev, buff); + break; + } + wake_up_interruptible(&hdev->debug_wait); + kfree(buff); +} + +void picolcd_init_devfs(struct picolcd_data *data, + struct hid_report *eeprom_r, struct hid_report *eeprom_w, + struct hid_report *flash_r, struct hid_report *flash_w, + struct hid_report *reset) +{ + struct hid_device *hdev = data->hdev; + + mutex_init(&data->mutex_flash); + + /* reset */ + if (reset) + data->debug_reset = debugfs_create_file("reset", 0600, + hdev->debug_dir, data, &picolcd_debug_reset_fops); + + /* eeprom */ + if (eeprom_r || eeprom_w) + data->debug_eeprom = debugfs_create_file("eeprom", + (eeprom_w ? S_IWUSR : 0) | (eeprom_r ? S_IRUSR : 0), + hdev->debug_dir, data, &picolcd_debug_eeprom_fops); + + /* flash */ + if (flash_r && flash_r->maxfield == 1 && flash_r->field[0]->report_size == 8) + data->addr_sz = flash_r->field[0]->report_count - 1; + else + data->addr_sz = -1; + if (data->addr_sz == 2 || data->addr_sz == 3) { + data->debug_flash = debugfs_create_file("flash", + (flash_w ? S_IWUSR : 0) | (flash_r ? S_IRUSR : 0), + hdev->debug_dir, data, &picolcd_debug_flash_fops); + } else if (flash_r || flash_w) + hid_warn(hdev, "Unexpected FLASH access reports, please submit rdesc for review\n"); +} + +void picolcd_exit_devfs(struct picolcd_data *data) +{ + struct dentry *dent; + + dent = data->debug_reset; + data->debug_reset = NULL; + if (dent) + debugfs_remove(dent); + dent = data->debug_eeprom; + data->debug_eeprom = NULL; + if (dent) + debugfs_remove(dent); + dent = data->debug_flash; + data->debug_flash = NULL; + if (dent) + debugfs_remove(dent); + mutex_destroy(&data->mutex_flash); +} + diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c new file mode 100644 index 00000000000..7f965e23143 --- /dev/null +++ b/drivers/hid/hid-picolcd_fb.c @@ -0,0 +1,617 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/vmalloc.h> + +#include <linux/fb.h> +#include <linux/module.h> + +#include "hid-picolcd.h" + +/* Framebuffer + * + * The PicoLCD use a Topway LCD module of 256x64 pixel + * This display area is tiled over 4 controllers with 8 tiles + * each. Each tile has 8x64 pixel, each data byte representing + * a 1-bit wide vertical line of the tile. + * + * The display can be updated at a tile granularity. + * + * Chip 1 Chip 2 Chip 3 Chip 4 + * +----------------+----------------+----------------+----------------+ + * | Tile 1 | Tile 1 | Tile 1 | Tile 1 | + * +----------------+----------------+----------------+----------------+ + * | Tile 2 | Tile 2 | Tile 2 | Tile 2 | + * +----------------+----------------+----------------+----------------+ + * ... + * +----------------+----------------+----------------+----------------+ + * | Tile 8 | Tile 8 | Tile 8 | Tile 8 | + * +----------------+----------------+----------------+----------------+ + */ +#define PICOLCDFB_NAME "picolcdfb" +#define PICOLCDFB_WIDTH (256) +#define PICOLCDFB_HEIGHT (64) +#define PICOLCDFB_SIZE (PICOLCDFB_WIDTH * PICOLCDFB_HEIGHT / 8) + +#define PICOLCDFB_UPDATE_RATE_LIMIT 10 +#define PICOLCDFB_UPDATE_RATE_DEFAULT 2 + +/* Framebuffer visual structures */ +static const struct fb_fix_screeninfo picolcdfb_fix = { + .id = PICOLCDFB_NAME, + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_MONO01, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .line_length = PICOLCDFB_WIDTH / 8, + .accel = FB_ACCEL_NONE, +}; + +static const struct fb_var_screeninfo picolcdfb_var = { + .xres = PICOLCDFB_WIDTH, + .yres = PICOLCDFB_HEIGHT, + .xres_virtual = PICOLCDFB_WIDTH, + .yres_virtual = PICOLCDFB_HEIGHT, + .width = 103, + .height = 26, + .bits_per_pixel = 1, + .grayscale = 1, + .red = { + .offset = 0, + .length = 1, + .msb_right = 0, + }, + .green = { + .offset = 0, + .length = 1, + .msb_right = 0, + }, + .blue = { + .offset = 0, + .length = 1, + .msb_right = 0, + }, + .transp = { + .offset = 0, + .length = 0, + .msb_right = 0, + }, +}; + +/* Send a given tile to PicoLCD */ +static int picolcd_fb_send_tile(struct picolcd_data *data, u8 *vbitmap, + int chip, int tile) +{ + struct hid_report *report1, *report2; + unsigned long flags; + u8 *tdata; + int i; + + report1 = picolcd_out_report(REPORT_LCD_CMD_DATA, data->hdev); + if (!report1 || report1->maxfield != 1) + return -ENODEV; + report2 = picolcd_out_report(REPORT_LCD_DATA, data->hdev); + if (!report2 || report2->maxfield != 1) + return -ENODEV; + + spin_lock_irqsave(&data->lock, flags); + if ((data->status & PICOLCD_FAILED)) { + spin_unlock_irqrestore(&data->lock, flags); + return -ENODEV; + } + hid_set_field(report1->field[0], 0, chip << 2); + hid_set_field(report1->field[0], 1, 0x02); + hid_set_field(report1->field[0], 2, 0x00); + hid_set_field(report1->field[0], 3, 0x00); + hid_set_field(report1->field[0], 4, 0xb8 | tile); + hid_set_field(report1->field[0], 5, 0x00); + hid_set_field(report1->field[0], 6, 0x00); + hid_set_field(report1->field[0], 7, 0x40); + hid_set_field(report1->field[0], 8, 0x00); + hid_set_field(report1->field[0], 9, 0x00); + hid_set_field(report1->field[0], 10, 32); + + hid_set_field(report2->field[0], 0, (chip << 2) | 0x01); + hid_set_field(report2->field[0], 1, 0x00); + hid_set_field(report2->field[0], 2, 0x00); + hid_set_field(report2->field[0], 3, 32); + + tdata = vbitmap + (tile * 4 + chip) * 64; + for (i = 0; i < 64; i++) + if (i < 32) + hid_set_field(report1->field[0], 11 + i, tdata[i]); + else + hid_set_field(report2->field[0], 4 + i - 32, tdata[i]); + + hid_hw_request(data->hdev, report1, HID_REQ_SET_REPORT); + hid_hw_request(data->hdev, report2, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +/* Translate a single tile*/ +static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp, + int chip, int tile) +{ + int i, b, changed = 0; + u8 tdata[64]; + u8 *vdata = vbitmap + (tile * 4 + chip) * 64; + + if (bpp == 1) { + for (b = 7; b >= 0; b--) { + const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32; + for (i = 0; i < 64; i++) { + tdata[i] <<= 1; + tdata[i] |= (bdata[i/8] >> (i % 8)) & 0x01; + } + } + } else if (bpp == 8) { + for (b = 7; b >= 0; b--) { + const u8 *bdata = bitmap + (tile * 256 + chip * 8 + b * 32) * 8; + for (i = 0; i < 64; i++) { + tdata[i] <<= 1; + tdata[i] |= (bdata[i] & 0x80) ? 0x01 : 0x00; + } + } + } else { + /* Oops, we should never get here! */ + WARN_ON(1); + return 0; + } + + for (i = 0; i < 64; i++) + if (tdata[i] != vdata[i]) { + changed = 1; + vdata[i] = tdata[i]; + } + return changed; +} + +void picolcd_fb_refresh(struct picolcd_data *data) +{ + if (data->fb_info) + schedule_delayed_work(&data->fb_info->deferred_work, 0); +} + +/* Reconfigure LCD display */ +int picolcd_fb_reset(struct picolcd_data *data, int clear) +{ + struct hid_report *report = picolcd_out_report(REPORT_LCD_CMD, data->hdev); + struct picolcd_fb_data *fbdata = data->fb_info->par; + int i, j; + unsigned long flags; + static const u8 mapcmd[8] = { 0x00, 0x02, 0x00, 0x64, 0x3f, 0x00, 0x64, 0xc0 }; + + if (!report || report->maxfield != 1) + return -ENODEV; + + spin_lock_irqsave(&data->lock, flags); + for (i = 0; i < 4; i++) { + for (j = 0; j < report->field[0]->maxusage; j++) + if (j == 0) + hid_set_field(report->field[0], j, i << 2); + else if (j < sizeof(mapcmd)) + hid_set_field(report->field[0], j, mapcmd[j]); + else + hid_set_field(report->field[0], j, 0); + hid_hw_request(data->hdev, report, HID_REQ_SET_REPORT); + } + spin_unlock_irqrestore(&data->lock, flags); + + if (clear) { + memset(fbdata->vbitmap, 0, PICOLCDFB_SIZE); + memset(fbdata->bitmap, 0, PICOLCDFB_SIZE*fbdata->bpp); + } + fbdata->force = 1; + + /* schedule first output of framebuffer */ + if (fbdata->ready) + schedule_delayed_work(&data->fb_info->deferred_work, 0); + else + fbdata->ready = 1; + + return 0; +} + +/* Update fb_vbitmap from the screen_base and send changed tiles to device */ +static void picolcd_fb_update(struct fb_info *info) +{ + int chip, tile, n; + unsigned long flags; + struct picolcd_fb_data *fbdata = info->par; + struct picolcd_data *data; + + mutex_lock(&info->lock); + + spin_lock_irqsave(&fbdata->lock, flags); + if (!fbdata->ready && fbdata->picolcd) + picolcd_fb_reset(fbdata->picolcd, 0); + spin_unlock_irqrestore(&fbdata->lock, flags); + + /* + * Translate the framebuffer into the format needed by the PicoLCD. + * See display layout above. + * Do this one tile after the other and push those tiles that changed. + * + * Wait for our IO to complete as otherwise we might flood the queue! + */ + n = 0; + for (chip = 0; chip < 4; chip++) + for (tile = 0; tile < 8; tile++) { + if (!fbdata->force && !picolcd_fb_update_tile( + fbdata->vbitmap, fbdata->bitmap, + fbdata->bpp, chip, tile)) + continue; + n += 2; + if (n >= HID_OUTPUT_FIFO_SIZE / 2) { + spin_lock_irqsave(&fbdata->lock, flags); + data = fbdata->picolcd; + spin_unlock_irqrestore(&fbdata->lock, flags); + mutex_unlock(&info->lock); + if (!data) + return; + hid_hw_wait(data->hdev); + mutex_lock(&info->lock); + n = 0; + } + spin_lock_irqsave(&fbdata->lock, flags); + data = fbdata->picolcd; + spin_unlock_irqrestore(&fbdata->lock, flags); + if (!data || picolcd_fb_send_tile(data, + fbdata->vbitmap, chip, tile)) + goto out; + } + fbdata->force = false; + if (n) { + spin_lock_irqsave(&fbdata->lock, flags); + data = fbdata->picolcd; + spin_unlock_irqrestore(&fbdata->lock, flags); + mutex_unlock(&info->lock); + if (data) + hid_hw_wait(data->hdev); + return; + } +out: + mutex_unlock(&info->lock); +} + +/* Stub to call the system default and update the image on the picoLCD */ +static void picolcd_fb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + if (!info->par) + return; + sys_fillrect(info, rect); + + schedule_delayed_work(&info->deferred_work, 0); +} + +/* Stub to call the system default and update the image on the picoLCD */ +static void picolcd_fb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + if (!info->par) + return; + sys_copyarea(info, area); + + schedule_delayed_work(&info->deferred_work, 0); +} + +/* Stub to call the system default and update the image on the picoLCD */ +static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + if (!info->par) + return; + sys_imageblit(info, image); + + schedule_delayed_work(&info->deferred_work, 0); +} + +/* + * this is the slow path from userspace. they can seek and write to + * the fb. it's inefficient to do anything less than a full screen draw + */ +static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + ssize_t ret; + if (!info->par) + return -ENODEV; + ret = fb_sys_write(info, buf, count, ppos); + if (ret >= 0) + schedule_delayed_work(&info->deferred_work, 0); + return ret; +} + +static int picolcd_fb_blank(int blank, struct fb_info *info) +{ + /* We let fb notification do this for us via lcd/backlight device */ + return 0; +} + +static void picolcd_fb_destroy(struct fb_info *info) +{ + struct picolcd_fb_data *fbdata = info->par; + + /* make sure no work is deferred */ + fb_deferred_io_cleanup(info); + + /* No thridparty should ever unregister our framebuffer! */ + WARN_ON(fbdata->picolcd != NULL); + + vfree((u8 *)info->fix.smem_start); + framebuffer_release(info); +} + +static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + __u32 bpp = var->bits_per_pixel; + __u32 activate = var->activate; + + /* only allow 1/8 bit depth (8-bit is grayscale) */ + *var = picolcdfb_var; + var->activate = activate; + if (bpp >= 8) { + var->bits_per_pixel = 8; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + } else { + var->bits_per_pixel = 1; + var->red.length = 1; + var->green.length = 1; + var->blue.length = 1; + } + return 0; +} + +static int picolcd_set_par(struct fb_info *info) +{ + struct picolcd_fb_data *fbdata = info->par; + u8 *tmp_fb, *o_fb; + if (info->var.bits_per_pixel == fbdata->bpp) + return 0; + /* switch between 1/8 bit depths */ + if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8) + return -EINVAL; + + o_fb = fbdata->bitmap; + tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL); + if (!tmp_fb) + return -ENOMEM; + + /* translate FB content to new bits-per-pixel */ + if (info->var.bits_per_pixel == 1) { + int i, b; + for (i = 0; i < PICOLCDFB_SIZE; i++) { + u8 p = 0; + for (b = 0; b < 8; b++) { + p <<= 1; + p |= o_fb[i*8+b] ? 0x01 : 0x00; + } + tmp_fb[i] = p; + } + memcpy(o_fb, tmp_fb, PICOLCDFB_SIZE); + info->fix.visual = FB_VISUAL_MONO01; + info->fix.line_length = PICOLCDFB_WIDTH / 8; + } else { + int i; + memcpy(tmp_fb, o_fb, PICOLCDFB_SIZE); + for (i = 0; i < PICOLCDFB_SIZE * 8; i++) + o_fb[i] = tmp_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00; + info->fix.visual = FB_VISUAL_DIRECTCOLOR; + info->fix.line_length = PICOLCDFB_WIDTH; + } + + kfree(tmp_fb); + fbdata->bpp = info->var.bits_per_pixel; + return 0; +} + +/* Note this can't be const because of struct fb_info definition */ +static struct fb_ops picolcdfb_ops = { + .owner = THIS_MODULE, + .fb_destroy = picolcd_fb_destroy, + .fb_read = fb_sys_read, + .fb_write = picolcd_fb_write, + .fb_blank = picolcd_fb_blank, + .fb_fillrect = picolcd_fb_fillrect, + .fb_copyarea = picolcd_fb_copyarea, + .fb_imageblit = picolcd_fb_imageblit, + .fb_check_var = picolcd_fb_check_var, + .fb_set_par = picolcd_set_par, +}; + + +/* Callback from deferred IO workqueue */ +static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist) +{ + picolcd_fb_update(info); +} + +static const struct fb_deferred_io picolcd_fb_defio = { + .delay = HZ / PICOLCDFB_UPDATE_RATE_DEFAULT, + .deferred_io = picolcd_fb_deferred_io, +}; + + +/* + * The "fb_update_rate" sysfs attribute + */ +static ssize_t picolcd_fb_update_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + struct picolcd_fb_data *fbdata = data->fb_info->par; + unsigned i, fb_update_rate = fbdata->update_rate; + size_t ret = 0; + + for (i = 1; i <= PICOLCDFB_UPDATE_RATE_LIMIT; i++) + if (ret >= PAGE_SIZE) + break; + else if (i == fb_update_rate) + ret += snprintf(buf+ret, PAGE_SIZE-ret, "[%u] ", i); + else + ret += snprintf(buf+ret, PAGE_SIZE-ret, "%u ", i); + if (ret > 0) + buf[min(ret, (size_t)PAGE_SIZE)-1] = '\n'; + return ret; +} + +static ssize_t picolcd_fb_update_rate_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + struct picolcd_fb_data *fbdata = data->fb_info->par; + int i; + unsigned u; + + if (count < 1 || count > 10) + return -EINVAL; + + i = sscanf(buf, "%u", &u); + if (i != 1) + return -EINVAL; + + if (u > PICOLCDFB_UPDATE_RATE_LIMIT) + return -ERANGE; + else if (u == 0) + u = PICOLCDFB_UPDATE_RATE_DEFAULT; + + fbdata->update_rate = u; + data->fb_info->fbdefio->delay = HZ / fbdata->update_rate; + return count; +} + +static DEVICE_ATTR(fb_update_rate, 0664, picolcd_fb_update_rate_show, + picolcd_fb_update_rate_store); + +/* initialize Framebuffer device */ +int picolcd_init_framebuffer(struct picolcd_data *data) +{ + struct device *dev = &data->hdev->dev; + struct fb_info *info = NULL; + struct picolcd_fb_data *fbdata = NULL; + int i, error = -ENOMEM; + u32 *palette; + + /* The extra memory is: + * - 256*u32 for pseudo_palette + * - struct fb_deferred_io + */ + info = framebuffer_alloc(256 * sizeof(u32) + + sizeof(struct fb_deferred_io) + + sizeof(struct picolcd_fb_data) + + PICOLCDFB_SIZE, dev); + if (info == NULL) { + dev_err(dev, "failed to allocate a framebuffer\n"); + goto err_nomem; + } + + info->fbdefio = info->par; + *info->fbdefio = picolcd_fb_defio; + info->par += sizeof(struct fb_deferred_io); + palette = info->par; + info->par += 256 * sizeof(u32); + for (i = 0; i < 256; i++) + palette[i] = i > 0 && i < 16 ? 0xff : 0; + info->pseudo_palette = palette; + info->fbops = &picolcdfb_ops; + info->var = picolcdfb_var; + info->fix = picolcdfb_fix; + info->fix.smem_len = PICOLCDFB_SIZE*8; + info->flags = FBINFO_FLAG_DEFAULT; + + fbdata = info->par; + spin_lock_init(&fbdata->lock); + fbdata->picolcd = data; + fbdata->update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT; + fbdata->bpp = picolcdfb_var.bits_per_pixel; + fbdata->force = 1; + fbdata->vbitmap = info->par + sizeof(struct picolcd_fb_data); + fbdata->bitmap = vmalloc(PICOLCDFB_SIZE*8); + if (fbdata->bitmap == NULL) { + dev_err(dev, "can't get a free page for framebuffer\n"); + goto err_nomem; + } + info->screen_base = (char __force __iomem *)fbdata->bitmap; + info->fix.smem_start = (unsigned long)fbdata->bitmap; + memset(fbdata->vbitmap, 0xff, PICOLCDFB_SIZE); + data->fb_info = info; + + error = picolcd_fb_reset(data, 1); + if (error) { + dev_err(dev, "failed to configure display\n"); + goto err_cleanup; + } + + error = device_create_file(dev, &dev_attr_fb_update_rate); + if (error) { + dev_err(dev, "failed to create sysfs attributes\n"); + goto err_cleanup; + } + + fb_deferred_io_init(info); + error = register_framebuffer(info); + if (error) { + dev_err(dev, "failed to register framebuffer\n"); + goto err_sysfs; + } + return 0; + +err_sysfs: + device_remove_file(dev, &dev_attr_fb_update_rate); + fb_deferred_io_cleanup(info); +err_cleanup: + data->fb_info = NULL; + +err_nomem: + if (fbdata) + vfree(fbdata->bitmap); + framebuffer_release(info); + return error; +} + +void picolcd_exit_framebuffer(struct picolcd_data *data) +{ + struct fb_info *info = data->fb_info; + struct picolcd_fb_data *fbdata; + unsigned long flags; + + if (!info) + return; + + device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate); + fbdata = info->par; + + /* disconnect framebuffer from HID dev */ + spin_lock_irqsave(&fbdata->lock, flags); + fbdata->picolcd = NULL; + spin_unlock_irqrestore(&fbdata->lock, flags); + + /* make sure there is no running update - thus that fbdata->picolcd + * once obtained under lock is guaranteed not to get free() under + * the feet of the deferred work */ + flush_delayed_work(&info->deferred_work); + + data->fb_info = NULL; + unregister_framebuffer(info); +} diff --git a/drivers/hid/hid-picolcd_lcd.c b/drivers/hid/hid-picolcd_lcd.c new file mode 100644 index 00000000000..89821c2da6d --- /dev/null +++ b/drivers/hid/hid-picolcd_lcd.c @@ -0,0 +1,105 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> + +#include <linux/fb.h> +#include <linux/lcd.h> + +#include "hid-picolcd.h" + +/* + * lcd class device + */ +static int picolcd_get_contrast(struct lcd_device *ldev) +{ + struct picolcd_data *data = lcd_get_data(ldev); + return data->lcd_contrast; +} + +static int picolcd_set_contrast(struct lcd_device *ldev, int contrast) +{ + struct picolcd_data *data = lcd_get_data(ldev); + struct hid_report *report = picolcd_out_report(REPORT_CONTRAST, data->hdev); + unsigned long flags; + + if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) + return -ENODEV; + + data->lcd_contrast = contrast & 0x0ff; + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, data->lcd_contrast); + if (!(data->status & PICOLCD_FAILED)) + hid_hw_request(data->hdev, report, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb) +{ + return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev)); +} + +static struct lcd_ops picolcd_lcdops = { + .get_contrast = picolcd_get_contrast, + .set_contrast = picolcd_set_contrast, + .check_fb = picolcd_check_lcd_fb, +}; + +int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report) +{ + struct device *dev = &data->hdev->dev; + struct lcd_device *ldev; + + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 1 || + report->field[0]->report_size != 8) { + dev_err(dev, "unsupported CONTRAST report"); + return -EINVAL; + } + + ldev = lcd_device_register(dev_name(dev), dev, data, &picolcd_lcdops); + if (IS_ERR(ldev)) { + dev_err(dev, "failed to register LCD\n"); + return PTR_ERR(ldev); + } + ldev->props.max_contrast = 0x0ff; + data->lcd_contrast = 0xe5; + data->lcd = ldev; + picolcd_set_contrast(ldev, 0xe5); + return 0; +} + +void picolcd_exit_lcd(struct picolcd_data *data) +{ + struct lcd_device *ldev = data->lcd; + + data->lcd = NULL; + if (ldev) + lcd_device_unregister(ldev); +} + +int picolcd_resume_lcd(struct picolcd_data *data) +{ + if (!data->lcd) + return 0; + return picolcd_set_contrast(data->lcd, data->lcd_contrast); +} + diff --git a/drivers/hid/hid-picolcd_leds.c b/drivers/hid/hid-picolcd_leds.c new file mode 100644 index 00000000000..e994f9c2901 --- /dev/null +++ b/drivers/hid/hid-picolcd_leds.c @@ -0,0 +1,173 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include <linux/input.h> +#include "hid-ids.h" + +#include <linux/fb.h> +#include <linux/vmalloc.h> +#include <linux/backlight.h> +#include <linux/lcd.h> + +#include <linux/leds.h> + +#include <linux/seq_file.h> +#include <linux/debugfs.h> + +#include <linux/completion.h> +#include <linux/uaccess.h> +#include <linux/module.h> + +#include "hid-picolcd.h" + + +void picolcd_leds_set(struct picolcd_data *data) +{ + struct hid_report *report; + unsigned long flags; + + if (!data->led[0]) + return; + report = picolcd_out_report(REPORT_LED_STATE, data->hdev); + if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) + return; + + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, data->led_state); + if (!(data->status & PICOLCD_FAILED)) + hid_hw_request(data->hdev, report, HID_REQ_SET_REPORT); + spin_unlock_irqrestore(&data->lock, flags); +} + +static void picolcd_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct device *dev; + struct hid_device *hdev; + struct picolcd_data *data; + int i, state = 0; + + dev = led_cdev->dev->parent; + hdev = container_of(dev, struct hid_device, dev); + data = hid_get_drvdata(hdev); + if (!data) + return; + for (i = 0; i < 8; i++) { + if (led_cdev != data->led[i]) + continue; + state = (data->led_state >> i) & 1; + if (value == LED_OFF && state) { + data->led_state &= ~(1 << i); + picolcd_leds_set(data); + } else if (value != LED_OFF && !state) { + data->led_state |= 1 << i; + picolcd_leds_set(data); + } + break; + } +} + +static enum led_brightness picolcd_led_get_brightness(struct led_classdev *led_cdev) +{ + struct device *dev; + struct hid_device *hdev; + struct picolcd_data *data; + int i, value = 0; + + dev = led_cdev->dev->parent; + hdev = container_of(dev, struct hid_device, dev); + data = hid_get_drvdata(hdev); + for (i = 0; i < 8; i++) + if (led_cdev == data->led[i]) { + value = (data->led_state >> i) & 1; + break; + } + return value ? LED_FULL : LED_OFF; +} + +int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report) +{ + struct device *dev = &data->hdev->dev; + struct led_classdev *led; + size_t name_sz = strlen(dev_name(dev)) + 8; + char *name; + int i, ret = 0; + + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 1 || + report->field[0]->report_size != 8) { + dev_err(dev, "unsupported LED_STATE report"); + return -EINVAL; + } + + for (i = 0; i < 8; i++) { + led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); + if (!led) { + dev_err(dev, "can't allocate memory for LED %d\n", i); + ret = -ENOMEM; + goto err; + } + name = (void *)(&led[1]); + snprintf(name, name_sz, "%s::GPO%d", dev_name(dev), i); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = picolcd_led_get_brightness; + led->brightness_set = picolcd_led_set_brightness; + + data->led[i] = led; + ret = led_classdev_register(dev, data->led[i]); + if (ret) { + data->led[i] = NULL; + kfree(led); + dev_err(dev, "can't register LED %d\n", i); + goto err; + } + } + return 0; +err: + for (i = 0; i < 8; i++) + if (data->led[i]) { + led = data->led[i]; + data->led[i] = NULL; + led_classdev_unregister(led); + kfree(led); + } + return ret; +} + +void picolcd_exit_leds(struct picolcd_data *data) +{ + struct led_classdev *led; + int i; + + for (i = 0; i < 8; i++) { + led = data->led[i]; + data->led[i] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } +} + + diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c index 9f41e2bd848..2dcd7d98dbd 100644 --- a/drivers/hid/hid-pl.c +++ b/drivers/hid/hid-pl.c @@ -9,10 +9,12 @@ * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT) * * 0e8f:0003 "GreenAsia Inc. USB Joystick " - * - tested with König Gaming gamepad + * - tested with König Gaming gamepad * * 0e8f:0003 "GASIA USB Gamepad" - * - another version of the König gamepad + * - another version of the König gamepad + * + * 0f30:0111 "Saitek Color Rumble Pad" * * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com> */ @@ -40,16 +42,16 @@ #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> +#include <linux/module.h> #include <linux/hid.h> #include "hid-ids.h" #ifdef CONFIG_PANTHERLORD_FF -#include "usbhid/usbhid.h" struct plff_device { struct hid_report *report; + s32 maxval; s32 *strong; s32 *weak; }; @@ -65,13 +67,13 @@ static int hid_plff_play(struct input_dev *dev, void *data, right = effect->u.rumble.weak_magnitude; debug("called with 0x%04x 0x%04x", left, right); - left = left * 0x7f / 0xffff; - right = right * 0x7f / 0xffff; + left = left * plff->maxval / 0xffff; + right = right * plff->maxval / 0xffff; *plff->strong = left; *plff->weak = right; debug("running with 0x%02x 0x%02x", left, right); - usbhid_submit_report(hid, plff->report, USB_DIR_OUT); + hid_hw_request(hid, plff->report, HID_REQ_SET_REPORT); return 0; } @@ -86,6 +88,7 @@ static int plff_init(struct hid_device *hid) struct list_head *report_ptr = report_list; struct input_dev *dev; int error; + s32 maxval; s32 *strong; s32 *weak; @@ -103,7 +106,7 @@ static int plff_init(struct hid_device *hid) */ if (list_empty(report_list)) { - dev_err(&hid->dev, "no output reports found\n"); + hid_err(hid, "no output reports found\n"); return -ENODEV; } @@ -112,32 +115,40 @@ static int plff_init(struct hid_device *hid) report_ptr = report_ptr->next; if (report_ptr == report_list) { - dev_err(&hid->dev, "required output report is " - "missing\n"); + hid_err(hid, "required output report is missing\n"); return -ENODEV; } report = list_entry(report_ptr, struct hid_report, list); if (report->maxfield < 1) { - dev_err(&hid->dev, "no fields in the report\n"); + hid_err(hid, "no fields in the report\n"); return -ENODEV; } + maxval = 0x7f; if (report->field[0]->report_count >= 4) { report->field[0]->value[0] = 0x00; report->field[0]->value[1] = 0x00; strong = &report->field[0]->value[2]; weak = &report->field[0]->value[3]; debug("detected single-field device"); - } else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 && - report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) { + } else if (report->field[0]->maxusage == 1 && + report->field[0]->usage[0].hid == + (HID_UP_LED | 0x43) && + report->maxfield >= 4 && + report->field[0]->report_count >= 1 && + report->field[1]->report_count >= 1 && + report->field[2]->report_count >= 1 && + report->field[3]->report_count >= 1) { report->field[0]->value[0] = 0x00; report->field[1]->value[0] = 0x00; strong = &report->field[2]->value[0]; weak = &report->field[3]->value[0]; + if (hid->vendor == USB_VENDOR_ID_JESS2) + maxval = 0xff; debug("detected 4-field device"); } else { - dev_err(&hid->dev, "not enough fields or values\n"); + hid_err(hid, "not enough fields or values\n"); return -ENODEV; } @@ -158,14 +169,14 @@ static int plff_init(struct hid_device *hid) plff->report = report; plff->strong = strong; plff->weak = weak; + plff->maxval = maxval; *strong = 0x00; *weak = 0x00; - usbhid_submit_report(hid, plff->report, USB_DIR_OUT); + hid_hw_request(hid, plff->report, HID_REQ_SET_REPORT); } - dev_info(&hid->dev, "Force feedback for PantherLord/GreenAsia " - "devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); + hid_info(hid, "Force feedback for PantherLord/GreenAsia devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); return 0; } @@ -185,13 +196,13 @@ static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err; } @@ -208,6 +219,7 @@ static const struct hid_device_id pl_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR), .driver_data = 1 }, /* Twin USB Joystick */ { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), }, + { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD), }, { } }; MODULE_DEVICE_TABLE(hid, pl_devices); @@ -217,17 +229,6 @@ static struct hid_driver pl_driver = { .id_table = pl_devices, .probe = pl_probe, }; +module_hid_driver(pl_driver); -static int __init pl_init(void) -{ - return hid_register_driver(&pl_driver); -} - -static void __exit pl_exit(void) -{ - hid_unregister_driver(&pl_driver); -} - -module_init(pl_init); -module_exit(pl_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-primax.c b/drivers/hid/hid-primax.c new file mode 100644 index 00000000000..3a1c3c4c50d --- /dev/null +++ b/drivers/hid/hid-primax.c @@ -0,0 +1,81 @@ +/* + * HID driver for primax and similar keyboards with in-band modifiers + * + * Copyright 2011 Google Inc. All Rights Reserved + * + * Author: + * Terry Lambert <tlambert@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static int px_raw_event(struct hid_device *hid, struct hid_report *report, + u8 *data, int size) +{ + int idx = size; + + switch (report->id) { + case 0: /* keyboard input */ + /* + * Convert in-band modifier key values into out of band + * modifier bits and pull the key strokes from the report. + * Thus a report data set which looked like: + * + * [00][00][E0][30][00][00][00][00] + * (no modifier bits + "Left Shift" key + "1" key) + * + * Would be converted to: + * + * [01][00][00][30][00][00][00][00] + * (Left Shift modifier bit + "1" key) + * + * As long as it's in the size range, the upper level + * drivers don't particularly care if there are in-band + * 0-valued keys, so they don't stop parsing. + */ + while (--idx > 1) { + if (data[idx] < 0xE0 || data[idx] > 0xE7) + continue; + data[0] |= (1 << (data[idx] - 0xE0)); + data[idx] = 0; + } + hid_report_raw_event(hid, HID_INPUT_REPORT, data, size, 0); + return 1; + + default: /* unknown report */ + /* Unknown report type; pass upstream */ + hid_info(hid, "unknown report type %d\n", report->id); + break; + } + + return 0; +} + +static const struct hid_device_id px_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, + { } +}; +MODULE_DEVICE_TABLE(hid, px_devices); + +static struct hid_driver px_driver = { + .name = "primax", + .id_table = px_devices, + .raw_event = px_raw_event, +}; +module_hid_driver(px_driver); + +MODULE_AUTHOR("Terry Lambert <tlambert@google.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c index 48eab84f53b..91fab975063 100644 --- a/drivers/hid/hid-prodikeys.c +++ b/drivers/hid/hid-prodikeys.c @@ -16,6 +16,8 @@ * any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/device.h> #include <linux/module.h> #include <linux/usb.h> @@ -24,7 +26,6 @@ #include <sound/core.h> #include <sound/initval.h> #include <sound/rawmidi.h> -#include "usbhid/usbhid.h" #include "hid-ids.h" @@ -42,8 +43,6 @@ struct pk_device { struct pcmidi_snd *pm; /* pcmidi device context */ }; -struct pcmidi_snd; - struct pcmidi_sustain { unsigned long in_use; struct pcmidi_snd *pm; @@ -90,7 +89,7 @@ static const char longname[] = "Prodikeys PC-MIDI Keyboard"; static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; -static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; module_param_array(index, int, NULL, 0444); module_param_array(id, charp, NULL, 0444); @@ -105,7 +104,7 @@ static ssize_t show_channel(struct device *dev, struct device_attribute *attr, char *buf) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); dbg_hid("pcmidi sysfs read channel=%u\n", pk->pm->midi_channel); @@ -118,7 +117,7 @@ static ssize_t store_channel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); unsigned channel = 0; @@ -130,7 +129,7 @@ static ssize_t store_channel(struct device *dev, return -EINVAL; } -static DEVICE_ATTR(channel, S_IRUGO | S_IWUGO, show_channel, +static DEVICE_ATTR(channel, S_IRUGO | S_IWUSR | S_IWGRP , show_channel, store_channel); static struct device_attribute *sysfs_device_attr_channel = { @@ -142,7 +141,7 @@ static ssize_t show_sustain(struct device *dev, struct device_attribute *attr, char *buf) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); dbg_hid("pcmidi sysfs read sustain=%u\n", pk->pm->midi_sustain); @@ -155,7 +154,7 @@ static ssize_t store_sustain(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); unsigned sustain = 0; @@ -169,7 +168,7 @@ static ssize_t store_sustain(struct device *dev, return -EINVAL; } -static DEVICE_ATTR(sustain, S_IRUGO | S_IWUGO, show_sustain, +static DEVICE_ATTR(sustain, S_IRUGO | S_IWUSR | S_IWGRP, show_sustain, store_sustain); static struct device_attribute *sysfs_device_attr_sustain = { @@ -181,7 +180,7 @@ static ssize_t show_octave(struct device *dev, struct device_attribute *attr, char *buf) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); dbg_hid("pcmidi sysfs read octave=%d\n", pk->pm->midi_octave); @@ -194,7 +193,7 @@ static ssize_t store_octave(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); int octave = 0; @@ -207,7 +206,7 @@ static ssize_t store_octave(struct device *dev, return -EINVAL; } -static DEVICE_ATTR(octave, S_IRUGO | S_IWUGO, show_octave, +static DEVICE_ATTR(octave, S_IRUGO | S_IWUSR | S_IWGRP, show_octave, store_octave); static struct device_attribute *sysfs_device_attr_octave = { @@ -240,7 +239,7 @@ drop_note: return; } -void pcmidi_sustained_note_release(unsigned long data) +static void pcmidi_sustained_note_release(unsigned long data) { struct pcmidi_sustain *pms = (struct pcmidi_sustain *)data; @@ -248,7 +247,7 @@ void pcmidi_sustained_note_release(unsigned long data) pms->in_use = 0; } -void init_sustain_timers(struct pcmidi_snd *pm) +static void init_sustain_timers(struct pcmidi_snd *pm) { struct pcmidi_sustain *pms; unsigned i; @@ -262,7 +261,7 @@ void init_sustain_timers(struct pcmidi_snd *pm) } } -void stop_sustain_timers(struct pcmidi_snd *pm) +static void stop_sustain_timers(struct pcmidi_snd *pm) { struct pcmidi_sustain *pms; unsigned i; @@ -285,11 +284,11 @@ static int pcmidi_get_output_report(struct pcmidi_snd *pm) continue; if (report->maxfield < 1) { - dev_err(&hdev->dev, "output report is empty\n"); + hid_err(hdev, "output report is empty\n"); break; } if (report->field[0]->report_count != 2) { - dev_err(&hdev->dev, "field count too low\n"); + hid_err(hdev, "field count too low\n"); break; } pm->pcmidi_report6 = report; @@ -306,7 +305,7 @@ static void pcmidi_submit_output_report(struct pcmidi_snd *pm, int state) report->field[0]->value[0] = 0x01; report->field[0]->value[1] = state; - usbhid_submit_report(hdev, report, USB_DIR_OUT); + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); } static int pcmidi_handle_report1(struct pcmidi_snd *pm, u8 *data) @@ -497,7 +496,7 @@ static int pcmidi_handle_report4(struct pcmidi_snd *pm, u8 *data) return 1; } -int pcmidi_handle_report( +static int pcmidi_handle_report( struct pcmidi_snd *pm, unsigned report_id, u8 *data, int size) { int ret = 0; @@ -516,7 +515,8 @@ int pcmidi_handle_report( return ret; } -void pcmidi_setup_extra_keys(struct pcmidi_snd *pm, struct input_dev *input) +static void pcmidi_setup_extra_keys( + struct pcmidi_snd *pm, struct input_dev *input) { /* reassigned functionality for N/A keys MY PICTURES => KEY_WORDPROCESSOR @@ -600,7 +600,7 @@ static struct snd_rawmidi_ops pcmidi_in_ops = { .trigger = pcmidi_in_trigger }; -int pcmidi_snd_initialise(struct pcmidi_snd *pm) +static int pcmidi_snd_initialise(struct pcmidi_snd *pm) { static int dev; struct snd_card *card; @@ -624,7 +624,8 @@ int pcmidi_snd_initialise(struct pcmidi_snd *pm) /* Setup sound card */ - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); + err = snd_card_new(&pm->pk->hdev->dev, index[dev], id[dev], + THIS_MODULE, 0, &card); if (err < 0) { pk_error("failed to create pc-midi sound card\n"); err = -ENOMEM; @@ -660,8 +661,6 @@ int pcmidi_snd_initialise(struct pcmidi_snd *pm) snd_rawmidi_set_ops(rwmidi, SNDRV_RAWMIDI_STREAM_INPUT, &pcmidi_in_ops); - snd_card_set_dev(card, &pm->pk->hdev->dev); - /* create sysfs variables */ err = device_create_file(&pm->pk->hdev->dev, sysfs_device_attr_channel); @@ -718,7 +717,7 @@ fail: return err; } -int pcmidi_snd_terminate(struct pcmidi_snd *pm) +static int pcmidi_snd_terminate(struct pcmidi_snd *pm) { if (pm->card) { stop_sustain_timers(pm); @@ -746,8 +745,8 @@ static __u8 *pk_report_fixup(struct hid_device *hdev, __u8 *rdesc, if (*rsize == 178 && rdesc[111] == 0x06 && rdesc[112] == 0x00 && rdesc[113] == 0xff) { - dev_info(&hdev->dev, "fixing up pc-midi keyboard report " - "descriptor\n"); + hid_info(hdev, + "fixing up pc-midi keyboard report descriptor\n"); rdesc[144] = 0x18; /* report 4: was 0x10 report count */ } @@ -758,7 +757,7 @@ static int pk_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); struct pcmidi_snd *pm; pm = pk->pm; @@ -776,7 +775,7 @@ static int pk_input_mapping(struct hid_device *hdev, struct hid_input *hi, static int pk_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); int ret = 0; if (1 == pk->pm->ifnum) { @@ -805,7 +804,7 @@ static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) pk = kzalloc(sizeof(*pk), GFP_KERNEL); if (pk == NULL) { - dev_err(&hdev->dev, "prodikeys: can't alloc descriptor\n"); + hid_err(hdev, "can't alloc descriptor\n"); return -ENOMEM; } @@ -813,10 +812,9 @@ static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) pm = kzalloc(sizeof(*pm), GFP_KERNEL); if (pm == NULL) { - dev_err(&hdev->dev, - "prodikeys: can't alloc descriptor\n"); + hid_err(hdev, "can't alloc descriptor\n"); ret = -ENOMEM; - goto err_free; + goto err_free_pk; } pm->pk = pk; @@ -827,7 +825,7 @@ static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "prodikeys: hid parse failed\n"); + hid_err(hdev, "hid parse failed\n"); goto err_free; } @@ -837,7 +835,7 @@ static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "prodikeys: hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } @@ -849,16 +847,16 @@ static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) err_stop: hid_hw_stop(hdev); err_free: - if (pm != NULL) - kfree(pm); - + kfree(pm); +err_free_pk: kfree(pk); + return ret; } static void pk_remove(struct hid_device *hdev) { - struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev); + struct pk_device *pk = hid_get_drvdata(hdev); struct pcmidi_snd *pm; pm = pk->pm; @@ -889,23 +887,6 @@ static struct hid_driver pk_driver = { .probe = pk_probe, .remove = pk_remove, }; +module_hid_driver(pk_driver); -static int pk_init(void) -{ - int ret; - - ret = hid_register_driver(&pk_driver); - if (ret) - printk(KERN_ERR "can't register prodikeys driver\n"); - - return ret; -} - -static void pk_exit(void) -{ - hid_unregister_driver(&pk_driver); -} - -module_init(pk_init); -module_exit(pk_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-quanta.c b/drivers/hid/hid-quanta.c deleted file mode 100644 index 54d3db50605..00000000000 --- a/drivers/hid/hid-quanta.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - * HID driver for Quanta Optical Touch dual-touch panels - * - * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/slab.h> - -MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); -MODULE_DESCRIPTION("Quanta dual-touch panel"); -MODULE_LICENSE("GPL"); - -#include "hid-ids.h" - -struct quanta_data { - __u16 x, y; - __u8 id; - bool valid; /* valid finger data, or just placeholder? */ - bool first; /* is this the first finger in this frame? */ - bool activity_now; /* at least one active finger in this frame? */ - bool activity; /* at least one active finger previously? */ -}; - -static int quanta_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_GENDESK: - switch (usage->hid) { - case HID_GD_X: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_X); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_X, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - case HID_GD_Y: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_Y); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_Y, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - } - return 0; - - case HID_UP_DIGITIZER: - switch (usage->hid) { - case HID_DG_CONFIDENCE: - case HID_DG_TIPSWITCH: - case HID_DG_INPUTMODE: - case HID_DG_DEVICEINDEX: - case HID_DG_CONTACTCOUNT: - case HID_DG_CONTACTMAX: - case HID_DG_TIPPRESSURE: - case HID_DG_WIDTH: - case HID_DG_HEIGHT: - return -1; - case HID_DG_INRANGE: - /* touchscreen emulation */ - hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); - return 1; - case HID_DG_CONTACTID: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TRACKING_ID); - return 1; - } - return 0; - - case 0xff000000: - /* ignore vendor-specific features */ - return -1; - } - - return 0; -} - -static int quanta_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - if (usage->type == EV_KEY || usage->type == EV_ABS) - clear_bit(usage->code, *bit); - - return 0; -} - -/* - * this function is called when a whole finger has been parsed, - * so that it can decide what to send to the input layer. - */ -static void quanta_filter_event(struct quanta_data *td, struct input_dev *input) -{ - - td->first = !td->first; /* touchscreen emulation */ - - if (!td->valid) { - /* - * touchscreen emulation: if no finger in this frame is valid - * and there previously was finger activity, this is a release - */ - if (!td->first && !td->activity_now && td->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 0); - td->activity = false; - } - return; - } - - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id); - input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y); - - input_mt_sync(input); - td->valid = false; - - /* touchscreen emulation: if first active finger in this frame... */ - if (!td->activity_now) { - /* if there was no previous activity, emit touch event */ - if (!td->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 1); - td->activity = true; - } - td->activity_now = true; - /* and in any case this is our preferred finger */ - input_event(input, EV_ABS, ABS_X, td->x); - input_event(input, EV_ABS, ABS_Y, td->y); - } -} - - -static int quanta_event(struct hid_device *hid, struct hid_field *field, - struct hid_usage *usage, __s32 value) -{ - struct quanta_data *td = hid_get_drvdata(hid); - - if (hid->claimed & HID_CLAIMED_INPUT) { - struct input_dev *input = field->hidinput->input; - - switch (usage->hid) { - case HID_DG_INRANGE: - td->valid = !!value; - break; - case HID_GD_X: - td->x = value; - break; - case HID_GD_Y: - td->y = value; - quanta_filter_event(td, input); - break; - case HID_DG_CONTACTID: - td->id = value; - break; - case HID_DG_CONTACTCOUNT: - /* touch emulation: this is the last field in a frame */ - td->first = false; - td->activity_now = false; - break; - case HID_DG_CONFIDENCE: - case HID_DG_TIPSWITCH: - /* avoid interference from generic hidinput handling */ - break; - - default: - /* fallback to the generic hidinput handling */ - return 0; - } - } - - /* we have handled the hidinput part, now remains hiddev */ - if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) - hid->hiddev_hid_event(hid, field, usage, value); - - return 1; -} - -static int quanta_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - struct quanta_data *td; - - td = kmalloc(sizeof(struct quanta_data), GFP_KERNEL); - if (!td) { - dev_err(&hdev->dev, "cannot allocate Quanta Touch data\n"); - return -ENOMEM; - } - td->valid = false; - td->activity = false; - td->activity_now = false; - td->first = false; - hid_set_drvdata(hdev, td); - - ret = hid_parse(hdev); - if (!ret) - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - - if (ret) - kfree(td); - - return ret; -} - -static void quanta_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); - hid_set_drvdata(hdev, NULL); -} - -static const struct hid_device_id quanta_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, - USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, - USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) }, - { } -}; -MODULE_DEVICE_TABLE(hid, quanta_devices); - -static const struct hid_usage_id quanta_grabbed_usages[] = { - { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, - { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} -}; - -static struct hid_driver quanta_driver = { - .name = "quanta-touch", - .id_table = quanta_devices, - .probe = quanta_probe, - .remove = quanta_remove, - .input_mapping = quanta_input_mapping, - .input_mapped = quanta_input_mapped, - .usage_table = quanta_grabbed_usages, - .event = quanta_event, -}; - -static int __init quanta_init(void) -{ - return hid_register_driver(&quanta_driver); -} - -static void __exit quanta_exit(void) -{ - hid_unregister_driver(&quanta_driver); -} - -module_init(quanta_init); -module_exit(quanta_exit); - diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c new file mode 100644 index 00000000000..578bbe65902 --- /dev/null +++ b/drivers/hid/hid-rmi.c @@ -0,0 +1,922 @@ +/* + * Copyright (c) 2013 Andrew Duggan <aduggan@synaptics.com> + * Copyright (c) 2013 Synaptics Incorporated + * Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (c) 2014 Red Hat, Inc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/kernel.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/module.h> +#include <linux/pm.h> +#include <linux/slab.h> +#include <linux/wait.h> +#include <linux/sched.h> +#include "hid-ids.h" + +#define RMI_MOUSE_REPORT_ID 0x01 /* Mouse emulation Report */ +#define RMI_WRITE_REPORT_ID 0x09 /* Output Report */ +#define RMI_READ_ADDR_REPORT_ID 0x0a /* Output Report */ +#define RMI_READ_DATA_REPORT_ID 0x0b /* Input Report */ +#define RMI_ATTN_REPORT_ID 0x0c /* Input Report */ +#define RMI_SET_RMI_MODE_REPORT_ID 0x0f /* Feature Report */ + +/* flags */ +#define RMI_READ_REQUEST_PENDING BIT(0) +#define RMI_READ_DATA_PENDING BIT(1) +#define RMI_STARTED BIT(2) + +enum rmi_mode_type { + RMI_MODE_OFF = 0, + RMI_MODE_ATTN_REPORTS = 1, + RMI_MODE_NO_PACKED_ATTN_REPORTS = 2, +}; + +struct rmi_function { + unsigned page; /* page of the function */ + u16 query_base_addr; /* base address for queries */ + u16 command_base_addr; /* base address for commands */ + u16 control_base_addr; /* base address for controls */ + u16 data_base_addr; /* base address for datas */ + unsigned int interrupt_base; /* cross-function interrupt number + * (uniq in the device)*/ + unsigned int interrupt_count; /* number of interrupts */ + unsigned int report_size; /* size of a report */ + unsigned long irq_mask; /* mask of the interrupts + * (to be applied against ATTN IRQ) */ +}; + +/** + * struct rmi_data - stores information for hid communication + * + * @page_mutex: Locks current page to avoid changing pages in unexpected ways. + * @page: Keeps track of the current virtual page + * + * @wait: Used for waiting for read data + * + * @writeReport: output buffer when writing RMI registers + * @readReport: input buffer when reading RMI registers + * + * @input_report_size: size of an input report (advertised by HID) + * @output_report_size: size of an output report (advertised by HID) + * + * @flags: flags for the current device (started, reading, etc...) + * + * @f11: placeholder of internal RMI function F11 description + * @f30: placeholder of internal RMI function F30 description + * + * @max_fingers: maximum finger count reported by the device + * @max_x: maximum x value reported by the device + * @max_y: maximum y value reported by the device + * + * @gpio_led_count: count of GPIOs + LEDs reported by F30 + * @button_count: actual physical buttons count + * @button_mask: button mask used to decode GPIO ATTN reports + * @button_state_mask: pull state of the buttons + * + * @input: pointer to the kernel input device + * + * @reset_work: worker which will be called in case of a mouse report + * @hdev: pointer to the struct hid_device + */ +struct rmi_data { + struct mutex page_mutex; + int page; + + wait_queue_head_t wait; + + u8 *writeReport; + u8 *readReport; + + int input_report_size; + int output_report_size; + + unsigned long flags; + + struct rmi_function f11; + struct rmi_function f30; + + unsigned int max_fingers; + unsigned int max_x; + unsigned int max_y; + unsigned int x_size_mm; + unsigned int y_size_mm; + + unsigned int gpio_led_count; + unsigned int button_count; + unsigned long button_mask; + unsigned long button_state_mask; + + struct input_dev *input; + + struct work_struct reset_work; + struct hid_device *hdev; +}; + +#define RMI_PAGE(addr) (((addr) >> 8) & 0xff) + +static int rmi_write_report(struct hid_device *hdev, u8 *report, int len); + +/** + * rmi_set_page - Set RMI page + * @hdev: The pointer to the hid_device struct + * @page: The new page address. + * + * RMI devices have 16-bit addressing, but some of the physical + * implementations (like SMBus) only have 8-bit addressing. So RMI implements + * a page address at 0xff of every page so we can reliable page addresses + * every 256 registers. + * + * The page_mutex lock must be held when this function is entered. + * + * Returns zero on success, non-zero on failure. + */ +static int rmi_set_page(struct hid_device *hdev, u8 page) +{ + struct rmi_data *data = hid_get_drvdata(hdev); + int retval; + + data->writeReport[0] = RMI_WRITE_REPORT_ID; + data->writeReport[1] = 1; + data->writeReport[2] = 0xFF; + data->writeReport[4] = page; + + retval = rmi_write_report(hdev, data->writeReport, + data->output_report_size); + if (retval != data->output_report_size) { + dev_err(&hdev->dev, + "%s: set page failed: %d.", __func__, retval); + return retval; + } + + data->page = page; + return 0; +} + +static int rmi_set_mode(struct hid_device *hdev, u8 mode) +{ + int ret; + u8 txbuf[2] = {RMI_SET_RMI_MODE_REPORT_ID, mode}; + + ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, txbuf, + sizeof(txbuf), HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret < 0) { + dev_err(&hdev->dev, "unable to set rmi mode to %d (%d)\n", mode, + ret); + return ret; + } + + return 0; +} + +static int rmi_write_report(struct hid_device *hdev, u8 *report, int len) +{ + int ret; + + ret = hid_hw_output_report(hdev, (void *)report, len); + if (ret < 0) { + dev_err(&hdev->dev, "failed to write hid report (%d)\n", ret); + return ret; + } + + return ret; +} + +static int rmi_read_block(struct hid_device *hdev, u16 addr, void *buf, + const int len) +{ + struct rmi_data *data = hid_get_drvdata(hdev); + int ret; + int bytes_read; + int bytes_needed; + int retries; + int read_input_count; + + mutex_lock(&data->page_mutex); + + if (RMI_PAGE(addr) != data->page) { + ret = rmi_set_page(hdev, RMI_PAGE(addr)); + if (ret < 0) + goto exit; + } + + for (retries = 5; retries > 0; retries--) { + data->writeReport[0] = RMI_READ_ADDR_REPORT_ID; + data->writeReport[1] = 0; /* old 1 byte read count */ + data->writeReport[2] = addr & 0xFF; + data->writeReport[3] = (addr >> 8) & 0xFF; + data->writeReport[4] = len & 0xFF; + data->writeReport[5] = (len >> 8) & 0xFF; + + set_bit(RMI_READ_REQUEST_PENDING, &data->flags); + + ret = rmi_write_report(hdev, data->writeReport, + data->output_report_size); + if (ret != data->output_report_size) { + clear_bit(RMI_READ_REQUEST_PENDING, &data->flags); + dev_err(&hdev->dev, + "failed to write request output report (%d)\n", + ret); + goto exit; + } + + bytes_read = 0; + bytes_needed = len; + while (bytes_read < len) { + if (!wait_event_timeout(data->wait, + test_bit(RMI_READ_DATA_PENDING, &data->flags), + msecs_to_jiffies(1000))) { + hid_warn(hdev, "%s: timeout elapsed\n", + __func__); + ret = -EAGAIN; + break; + } + + read_input_count = data->readReport[1]; + memcpy(buf + bytes_read, &data->readReport[2], + read_input_count < bytes_needed ? + read_input_count : bytes_needed); + + bytes_read += read_input_count; + bytes_needed -= read_input_count; + clear_bit(RMI_READ_DATA_PENDING, &data->flags); + } + + if (ret >= 0) { + ret = 0; + break; + } + } + +exit: + clear_bit(RMI_READ_REQUEST_PENDING, &data->flags); + mutex_unlock(&data->page_mutex); + return ret; +} + +static inline int rmi_read(struct hid_device *hdev, u16 addr, void *buf) +{ + return rmi_read_block(hdev, addr, buf, 1); +} + +static void rmi_f11_process_touch(struct rmi_data *hdata, int slot, + u8 finger_state, u8 *touch_data) +{ + int x, y, wx, wy; + int wide, major, minor; + int z; + + input_mt_slot(hdata->input, slot); + input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, + finger_state == 0x01); + if (finger_state == 0x01) { + x = (touch_data[0] << 4) | (touch_data[2] & 0x0F); + y = (touch_data[1] << 4) | (touch_data[2] >> 4); + wx = touch_data[3] & 0x0F; + wy = touch_data[3] >> 4; + wide = (wx > wy); + major = max(wx, wy); + minor = min(wx, wy); + z = touch_data[4]; + + /* y is inverted */ + y = hdata->max_y - y; + + input_event(hdata->input, EV_ABS, ABS_MT_POSITION_X, x); + input_event(hdata->input, EV_ABS, ABS_MT_POSITION_Y, y); + input_event(hdata->input, EV_ABS, ABS_MT_ORIENTATION, wide); + input_event(hdata->input, EV_ABS, ABS_MT_PRESSURE, z); + input_event(hdata->input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); + input_event(hdata->input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); + } +} + +static void rmi_reset_work(struct work_struct *work) +{ + struct rmi_data *hdata = container_of(work, struct rmi_data, + reset_work); + + /* switch the device to RMI if we receive a generic mouse report */ + rmi_set_mode(hdata->hdev, RMI_MODE_ATTN_REPORTS); +} + +static inline int rmi_schedule_reset(struct hid_device *hdev) +{ + struct rmi_data *hdata = hid_get_drvdata(hdev); + return schedule_work(&hdata->reset_work); +} + +static int rmi_f11_input_event(struct hid_device *hdev, u8 irq, u8 *data, + int size) +{ + struct rmi_data *hdata = hid_get_drvdata(hdev); + int offset; + int i; + + if (size < hdata->f11.report_size) + return 0; + + if (!(irq & hdata->f11.irq_mask)) + return 0; + + offset = (hdata->max_fingers >> 2) + 1; + for (i = 0; i < hdata->max_fingers; i++) { + int fs_byte_position = i >> 2; + int fs_bit_position = (i & 0x3) << 1; + int finger_state = (data[fs_byte_position] >> fs_bit_position) & + 0x03; + + rmi_f11_process_touch(hdata, i, finger_state, + &data[offset + 5 * i]); + } + input_mt_sync_frame(hdata->input); + input_sync(hdata->input); + return hdata->f11.report_size; +} + +static int rmi_f30_input_event(struct hid_device *hdev, u8 irq, u8 *data, + int size) +{ + struct rmi_data *hdata = hid_get_drvdata(hdev); + int i; + int button = 0; + bool value; + + if (!(irq & hdata->f30.irq_mask)) + return 0; + + for (i = 0; i < hdata->gpio_led_count; i++) { + if (test_bit(i, &hdata->button_mask)) { + value = (data[i / 8] >> (i & 0x07)) & BIT(0); + if (test_bit(i, &hdata->button_state_mask)) + value = !value; + input_event(hdata->input, EV_KEY, BTN_LEFT + button++, + value); + } + } + return hdata->f30.report_size; +} + +static int rmi_input_event(struct hid_device *hdev, u8 *data, int size) +{ + struct rmi_data *hdata = hid_get_drvdata(hdev); + unsigned long irq_mask = 0; + unsigned index = 2; + + if (!(test_bit(RMI_STARTED, &hdata->flags))) + return 0; + + irq_mask |= hdata->f11.irq_mask; + irq_mask |= hdata->f30.irq_mask; + + if (data[1] & ~irq_mask) + hid_warn(hdev, "unknown intr source:%02lx %s:%d\n", + data[1] & ~irq_mask, __FILE__, __LINE__); + + if (hdata->f11.interrupt_base < hdata->f30.interrupt_base) { + index += rmi_f11_input_event(hdev, data[1], &data[index], + size - index); + index += rmi_f30_input_event(hdev, data[1], &data[index], + size - index); + } else { + index += rmi_f30_input_event(hdev, data[1], &data[index], + size - index); + index += rmi_f11_input_event(hdev, data[1], &data[index], + size - index); + } + + return 1; +} + +static int rmi_read_data_event(struct hid_device *hdev, u8 *data, int size) +{ + struct rmi_data *hdata = hid_get_drvdata(hdev); + + if (!test_bit(RMI_READ_REQUEST_PENDING, &hdata->flags)) { + hid_err(hdev, "no read request pending\n"); + return 0; + } + + memcpy(hdata->readReport, data, size < hdata->input_report_size ? + size : hdata->input_report_size); + set_bit(RMI_READ_DATA_PENDING, &hdata->flags); + wake_up(&hdata->wait); + + return 1; +} + +static int rmi_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + switch (data[0]) { + case RMI_READ_DATA_REPORT_ID: + return rmi_read_data_event(hdev, data, size); + case RMI_ATTN_REPORT_ID: + return rmi_input_event(hdev, data, size); + case RMI_MOUSE_REPORT_ID: + rmi_schedule_reset(hdev); + break; + } + + return 0; +} + +#ifdef CONFIG_PM +static int rmi_post_reset(struct hid_device *hdev) +{ + return rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS); +} + +static int rmi_post_resume(struct hid_device *hdev) +{ + return rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS); +} +#endif /* CONFIG_PM */ + +#define RMI4_MAX_PAGE 0xff +#define RMI4_PAGE_SIZE 0x0100 + +#define PDT_START_SCAN_LOCATION 0x00e9 +#define PDT_END_SCAN_LOCATION 0x0005 +#define RMI4_END_OF_PDT(id) ((id) == 0x00 || (id) == 0xff) + +struct pdt_entry { + u8 query_base_addr:8; + u8 command_base_addr:8; + u8 control_base_addr:8; + u8 data_base_addr:8; + u8 interrupt_source_count:3; + u8 bits3and4:2; + u8 function_version:2; + u8 bit7:1; + u8 function_number:8; +} __attribute__((__packed__)); + +static inline unsigned long rmi_gen_mask(unsigned irq_base, unsigned irq_count) +{ + return GENMASK(irq_count + irq_base - 1, irq_base); +} + +static void rmi_register_function(struct rmi_data *data, + struct pdt_entry *pdt_entry, int page, unsigned interrupt_count) +{ + struct rmi_function *f = NULL; + u16 page_base = page << 8; + + switch (pdt_entry->function_number) { + case 0x11: + f = &data->f11; + break; + case 0x30: + f = &data->f30; + break; + } + + if (f) { + f->page = page; + f->query_base_addr = page_base | pdt_entry->query_base_addr; + f->command_base_addr = page_base | pdt_entry->command_base_addr; + f->control_base_addr = page_base | pdt_entry->control_base_addr; + f->data_base_addr = page_base | pdt_entry->data_base_addr; + f->interrupt_base = interrupt_count; + f->interrupt_count = pdt_entry->interrupt_source_count; + f->irq_mask = rmi_gen_mask(f->interrupt_base, + f->interrupt_count); + } +} + +static int rmi_scan_pdt(struct hid_device *hdev) +{ + struct rmi_data *data = hid_get_drvdata(hdev); + struct pdt_entry entry; + int page; + bool page_has_function; + int i; + int retval; + int interrupt = 0; + u16 page_start, pdt_start , pdt_end; + + hid_info(hdev, "Scanning PDT...\n"); + + for (page = 0; (page <= RMI4_MAX_PAGE); page++) { + page_start = RMI4_PAGE_SIZE * page; + pdt_start = page_start + PDT_START_SCAN_LOCATION; + pdt_end = page_start + PDT_END_SCAN_LOCATION; + + page_has_function = false; + for (i = pdt_start; i >= pdt_end; i -= sizeof(entry)) { + retval = rmi_read_block(hdev, i, &entry, sizeof(entry)); + if (retval) { + hid_err(hdev, + "Read of PDT entry at %#06x failed.\n", + i); + goto error_exit; + } + + if (RMI4_END_OF_PDT(entry.function_number)) + break; + + page_has_function = true; + + hid_info(hdev, "Found F%02X on page %#04x\n", + entry.function_number, page); + + rmi_register_function(data, &entry, page, interrupt); + interrupt += entry.interrupt_source_count; + } + + if (!page_has_function) + break; + } + + hid_info(hdev, "%s: Done with PDT scan.\n", __func__); + retval = 0; + +error_exit: + return retval; +} + +static int rmi_populate_f11(struct hid_device *hdev) +{ + struct rmi_data *data = hid_get_drvdata(hdev); + u8 buf[20]; + int ret; + bool has_query9; + bool has_query10; + bool has_query11; + bool has_query12; + bool has_physical_props; + unsigned x_size, y_size; + u16 query12_offset; + + if (!data->f11.query_base_addr) { + hid_err(hdev, "No 2D sensor found, giving up.\n"); + return -ENODEV; + } + + /* query 0 contains some useful information */ + ret = rmi_read(hdev, data->f11.query_base_addr, buf); + if (ret) { + hid_err(hdev, "can not get query 0: %d.\n", ret); + return ret; + } + has_query9 = !!(buf[0] & BIT(3)); + has_query11 = !!(buf[0] & BIT(4)); + has_query12 = !!(buf[0] & BIT(5)); + + /* query 1 to get the max number of fingers */ + ret = rmi_read(hdev, data->f11.query_base_addr + 1, buf); + if (ret) { + hid_err(hdev, "can not get NumberOfFingers: %d.\n", ret); + return ret; + } + data->max_fingers = (buf[0] & 0x07) + 1; + if (data->max_fingers > 5) + data->max_fingers = 10; + + data->f11.report_size = data->max_fingers * 5 + + DIV_ROUND_UP(data->max_fingers, 4); + + if (!(buf[0] & BIT(4))) { + hid_err(hdev, "No absolute events, giving up.\n"); + return -ENODEV; + } + + /* query 8 to find out if query 10 exists */ + ret = rmi_read(hdev, data->f11.query_base_addr + 8, buf); + if (ret) { + hid_err(hdev, "can not read gesture information: %d.\n", ret); + return ret; + } + has_query10 = !!(buf[0] & BIT(2)); + + /* + * At least 8 queries are guaranteed to be present in F11 + * +1 for query12. + */ + query12_offset = 9; + + if (has_query9) + ++query12_offset; + + if (has_query10) + ++query12_offset; + + if (has_query11) + ++query12_offset; + + /* query 12 to know if the physical properties are reported */ + if (has_query12) { + ret = rmi_read(hdev, data->f11.query_base_addr + + query12_offset, buf); + if (ret) { + hid_err(hdev, "can not get query 12: %d.\n", ret); + return ret; + } + has_physical_props = !!(buf[0] & BIT(5)); + + if (has_physical_props) { + ret = rmi_read_block(hdev, + data->f11.query_base_addr + + query12_offset + 1, buf, 4); + if (ret) { + hid_err(hdev, "can not read query 15-18: %d.\n", + ret); + return ret; + } + + x_size = buf[0] | (buf[1] << 8); + y_size = buf[2] | (buf[3] << 8); + + data->x_size_mm = DIV_ROUND_CLOSEST(x_size, 10); + data->y_size_mm = DIV_ROUND_CLOSEST(y_size, 10); + + hid_info(hdev, "%s: size in mm: %d x %d\n", + __func__, data->x_size_mm, data->y_size_mm); + } + } + + /* + * retrieve the ctrl registers + * the ctrl register has a size of 20 but a fw bug split it into 16 + 4, + * and there is no way to know if the first 20 bytes are here or not. + * We use only the first 10 bytes, so get only them. + */ + ret = rmi_read_block(hdev, data->f11.control_base_addr, buf, 10); + if (ret) { + hid_err(hdev, "can not read ctrl block of size 10: %d.\n", ret); + return ret; + } + + data->max_x = buf[6] | (buf[7] << 8); + data->max_y = buf[8] | (buf[9] << 8); + + return 0; +} + +static int rmi_populate_f30(struct hid_device *hdev) +{ + struct rmi_data *data = hid_get_drvdata(hdev); + u8 buf[20]; + int ret; + bool has_gpio, has_led; + unsigned bytes_per_ctrl; + u8 ctrl2_addr; + int ctrl2_3_length; + int i; + + /* function F30 is for physical buttons */ + if (!data->f30.query_base_addr) { + hid_err(hdev, "No GPIO/LEDs found, giving up.\n"); + return -ENODEV; + } + + ret = rmi_read_block(hdev, data->f30.query_base_addr, buf, 2); + if (ret) { + hid_err(hdev, "can not get F30 query registers: %d.\n", ret); + return ret; + } + + has_gpio = !!(buf[0] & BIT(3)); + has_led = !!(buf[0] & BIT(2)); + data->gpio_led_count = buf[1] & 0x1f; + + /* retrieve ctrl 2 & 3 registers */ + bytes_per_ctrl = (data->gpio_led_count + 7) / 8; + /* Ctrl0 is present only if both has_gpio and has_led are set*/ + ctrl2_addr = (has_gpio && has_led) ? bytes_per_ctrl : 0; + /* Ctrl1 is always be present */ + ctrl2_addr += bytes_per_ctrl; + ctrl2_3_length = 2 * bytes_per_ctrl; + + data->f30.report_size = bytes_per_ctrl; + + ret = rmi_read_block(hdev, data->f30.control_base_addr + ctrl2_addr, + buf, ctrl2_3_length); + if (ret) { + hid_err(hdev, "can not read ctrl 2&3 block of size %d: %d.\n", + ctrl2_3_length, ret); + return ret; + } + + for (i = 0; i < data->gpio_led_count; i++) { + int byte_position = i >> 3; + int bit_position = i & 0x07; + u8 dir_byte = buf[byte_position]; + u8 data_byte = buf[byte_position + bytes_per_ctrl]; + bool dir = (dir_byte >> bit_position) & BIT(0); + bool dat = (data_byte >> bit_position) & BIT(0); + + if (dir == 0) { + /* input mode */ + if (dat) { + /* actual buttons have pull up resistor */ + data->button_count++; + set_bit(i, &data->button_mask); + set_bit(i, &data->button_state_mask); + } + } + + } + + return 0; +} + +static int rmi_populate(struct hid_device *hdev) +{ + int ret; + + ret = rmi_scan_pdt(hdev); + if (ret) { + hid_err(hdev, "PDT scan failed with code %d.\n", ret); + return ret; + } + + ret = rmi_populate_f11(hdev); + if (ret) { + hid_err(hdev, "Error while initializing F11 (%d).\n", ret); + return ret; + } + + ret = rmi_populate_f30(hdev); + if (ret) + hid_warn(hdev, "Error while initializing F30 (%d).\n", ret); + + return 0; +} + +static void rmi_input_configured(struct hid_device *hdev, struct hid_input *hi) +{ + struct rmi_data *data = hid_get_drvdata(hdev); + struct input_dev *input = hi->input; + int ret; + int res_x, res_y, i; + + data->input = input; + + hid_dbg(hdev, "Opening low level driver\n"); + ret = hid_hw_open(hdev); + if (ret) + return; + + /* Allow incoming hid reports */ + hid_device_io_start(hdev); + + ret = rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS); + if (ret < 0) { + dev_err(&hdev->dev, "failed to set rmi mode\n"); + goto exit; + } + + ret = rmi_set_page(hdev, 0); + if (ret < 0) { + dev_err(&hdev->dev, "failed to set page select to 0.\n"); + goto exit; + } + + ret = rmi_populate(hdev); + if (ret) + goto exit; + + __set_bit(EV_ABS, input->evbit); + input_set_abs_params(input, ABS_MT_POSITION_X, 1, data->max_x, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 1, data->max_y, 0, 0); + + if (data->x_size_mm && data->y_size_mm) { + res_x = (data->max_x - 1) / data->x_size_mm; + res_y = (data->max_y - 1) / data->y_size_mm; + + input_abs_set_res(input, ABS_MT_POSITION_X, res_x); + input_abs_set_res(input, ABS_MT_POSITION_Y, res_y); + } + + input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0); + input_set_abs_params(input, ABS_MT_PRESSURE, 0, 0xff, 0, 0); + input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 0x0f, 0, 0); + input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 0x0f, 0, 0); + + input_mt_init_slots(input, data->max_fingers, INPUT_MT_POINTER); + + if (data->button_count) { + __set_bit(EV_KEY, input->evbit); + for (i = 0; i < data->button_count; i++) + __set_bit(BTN_LEFT + i, input->keybit); + + if (data->button_count == 1) + __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); + } + + set_bit(RMI_STARTED, &data->flags); + +exit: + hid_device_io_stop(hdev); + hid_hw_close(hdev); +} + +static int rmi_input_mapping(struct hid_device *hdev, + struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + /* we want to make HID ignore the advertised HID collection */ + return -1; +} + +static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct rmi_data *data = NULL; + int ret; + size_t alloc_size; + + data = devm_kzalloc(&hdev->dev, sizeof(struct rmi_data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + INIT_WORK(&data->reset_work, rmi_reset_work); + data->hdev = hdev; + + hid_set_drvdata(hdev, data); + + hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + return ret; + } + + data->input_report_size = (hdev->report_enum[HID_INPUT_REPORT] + .report_id_hash[RMI_ATTN_REPORT_ID]->size >> 3) + + 1 /* report id */; + data->output_report_size = (hdev->report_enum[HID_OUTPUT_REPORT] + .report_id_hash[RMI_WRITE_REPORT_ID]->size >> 3) + + 1 /* report id */; + + alloc_size = data->output_report_size + data->input_report_size; + + data->writeReport = devm_kzalloc(&hdev->dev, alloc_size, GFP_KERNEL); + if (!data->writeReport) { + ret = -ENOMEM; + return ret; + } + + data->readReport = data->writeReport + data->output_report_size; + + init_waitqueue_head(&data->wait); + + mutex_init(&data->page_mutex); + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + return ret; + } + + if (!test_bit(RMI_STARTED, &data->flags)) { + hid_hw_stop(hdev); + return -EIO; + } + + return 0; +} + +static void rmi_remove(struct hid_device *hdev) +{ + struct rmi_data *hdata = hid_get_drvdata(hdev); + + clear_bit(RMI_STARTED, &hdata->flags); + + hid_hw_stop(hdev); +} + +static const struct hid_device_id rmi_id[] = { + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_RMI, HID_ANY_ID, HID_ANY_ID) }, + { } +}; +MODULE_DEVICE_TABLE(hid, rmi_id); + +static struct hid_driver rmi_driver = { + .name = "hid-rmi", + .id_table = rmi_id, + .probe = rmi_probe, + .remove = rmi_remove, + .raw_event = rmi_raw_event, + .input_mapping = rmi_input_mapping, + .input_configured = rmi_input_configured, +#ifdef CONFIG_PM + .resume = rmi_post_resume, + .reset_resume = rmi_post_reset, +#endif +}; + +module_hid_driver(rmi_driver); + +MODULE_AUTHOR("Andrew Duggan <aduggan@synaptics.com>"); +MODULE_DESCRIPTION("RMI HID driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c new file mode 100644 index 00000000000..1948208fe03 --- /dev/null +++ b/drivers/hid/hid-roccat-arvo.c @@ -0,0 +1,460 @@ +/* + * Roccat Arvo driver for Linux + * + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Arvo is a gamer keyboard with 5 macro keys that can be configured in + * 5 profiles. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" +#include "hid-roccat-arvo.h" + +static struct class *arvo_class; + +static ssize_t arvo_sysfs_show_mode_key(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct arvo_device *arvo = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + struct usb_device *usb_dev = + interface_to_usbdev(to_usb_interface(dev->parent->parent)); + struct arvo_mode_key temp_buf; + int retval; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_receive(usb_dev, ARVO_COMMAND_MODE_KEY, + &temp_buf, sizeof(struct arvo_mode_key)); + mutex_unlock(&arvo->arvo_lock); + if (retval) + return retval; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp_buf.state); +} + +static ssize_t arvo_sysfs_set_mode_key(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct arvo_device *arvo = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + struct usb_device *usb_dev = + interface_to_usbdev(to_usb_interface(dev->parent->parent)); + struct arvo_mode_key temp_buf; + unsigned long state; + int retval; + + retval = kstrtoul(buf, 10, &state); + if (retval) + return retval; + + temp_buf.command = ARVO_COMMAND_MODE_KEY; + temp_buf.state = state; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_send(usb_dev, ARVO_COMMAND_MODE_KEY, + &temp_buf, sizeof(struct arvo_mode_key)); + mutex_unlock(&arvo->arvo_lock); + if (retval) + return retval; + + return size; +} +static DEVICE_ATTR(mode_key, 0660, + arvo_sysfs_show_mode_key, arvo_sysfs_set_mode_key); + +static ssize_t arvo_sysfs_show_key_mask(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct arvo_device *arvo = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + struct usb_device *usb_dev = + interface_to_usbdev(to_usb_interface(dev->parent->parent)); + struct arvo_key_mask temp_buf; + int retval; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_receive(usb_dev, ARVO_COMMAND_KEY_MASK, + &temp_buf, sizeof(struct arvo_key_mask)); + mutex_unlock(&arvo->arvo_lock); + if (retval) + return retval; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp_buf.key_mask); +} + +static ssize_t arvo_sysfs_set_key_mask(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct arvo_device *arvo = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + struct usb_device *usb_dev = + interface_to_usbdev(to_usb_interface(dev->parent->parent)); + struct arvo_key_mask temp_buf; + unsigned long key_mask; + int retval; + + retval = kstrtoul(buf, 10, &key_mask); + if (retval) + return retval; + + temp_buf.command = ARVO_COMMAND_KEY_MASK; + temp_buf.key_mask = key_mask; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_send(usb_dev, ARVO_COMMAND_KEY_MASK, + &temp_buf, sizeof(struct arvo_key_mask)); + mutex_unlock(&arvo->arvo_lock); + if (retval) + return retval; + + return size; +} +static DEVICE_ATTR(key_mask, 0660, + arvo_sysfs_show_key_mask, arvo_sysfs_set_key_mask); + +/* retval is 1-5 on success, < 0 on error */ +static int arvo_get_actual_profile(struct usb_device *usb_dev) +{ + struct arvo_actual_profile temp_buf; + int retval; + + retval = roccat_common2_receive(usb_dev, ARVO_COMMAND_ACTUAL_PROFILE, + &temp_buf, sizeof(struct arvo_actual_profile)); + + if (retval) + return retval; + + return temp_buf.actual_profile; +} + +static ssize_t arvo_sysfs_show_actual_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct arvo_device *arvo = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + + return snprintf(buf, PAGE_SIZE, "%d\n", arvo->actual_profile); +} + +static ssize_t arvo_sysfs_set_actual_profile(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct arvo_device *arvo = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + struct usb_device *usb_dev = + interface_to_usbdev(to_usb_interface(dev->parent->parent)); + struct arvo_actual_profile temp_buf; + unsigned long profile; + int retval; + + retval = kstrtoul(buf, 10, &profile); + if (retval) + return retval; + + if (profile < 1 || profile > 5) + return -EINVAL; + + temp_buf.command = ARVO_COMMAND_ACTUAL_PROFILE; + temp_buf.actual_profile = profile; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_send(usb_dev, ARVO_COMMAND_ACTUAL_PROFILE, + &temp_buf, sizeof(struct arvo_actual_profile)); + if (!retval) { + arvo->actual_profile = profile; + retval = size; + } + mutex_unlock(&arvo->arvo_lock); + return retval; +} +static DEVICE_ATTR(actual_profile, 0660, + arvo_sysfs_show_actual_profile, + arvo_sysfs_set_actual_profile); + +static ssize_t arvo_sysfs_write(struct file *fp, + struct kobject *kobj, void const *buf, + loff_t off, size_t count, size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct arvo_device *arvo = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_send(usb_dev, command, buf, real_size); + mutex_unlock(&arvo->arvo_lock); + + return (retval ? retval : real_size); +} + +static ssize_t arvo_sysfs_read(struct file *fp, + struct kobject *kobj, void *buf, loff_t off, + size_t count, size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct arvo_device *arvo = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off >= real_size) + return 0; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&arvo->arvo_lock); + retval = roccat_common2_receive(usb_dev, command, buf, real_size); + mutex_unlock(&arvo->arvo_lock); + + return (retval ? retval : real_size); +} + +static ssize_t arvo_sysfs_write_button(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return arvo_sysfs_write(fp, kobj, buf, off, count, + sizeof(struct arvo_button), ARVO_COMMAND_BUTTON); +} +static BIN_ATTR(button, 0220, NULL, arvo_sysfs_write_button, + sizeof(struct arvo_button)); + +static ssize_t arvo_sysfs_read_info(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return arvo_sysfs_read(fp, kobj, buf, off, count, + sizeof(struct arvo_info), ARVO_COMMAND_INFO); +} +static BIN_ATTR(info, 0440, arvo_sysfs_read_info, NULL, + sizeof(struct arvo_info)); + +static struct attribute *arvo_attrs[] = { + &dev_attr_mode_key.attr, + &dev_attr_key_mask.attr, + &dev_attr_actual_profile.attr, + NULL, +}; + +static struct bin_attribute *arvo_bin_attributes[] = { + &bin_attr_button, + &bin_attr_info, + NULL, +}; + +static const struct attribute_group arvo_group = { + .attrs = arvo_attrs, + .bin_attrs = arvo_bin_attributes, +}; + +static const struct attribute_group *arvo_groups[] = { + &arvo_group, + NULL, +}; + +static int arvo_init_arvo_device_struct(struct usb_device *usb_dev, + struct arvo_device *arvo) +{ + int retval; + + mutex_init(&arvo->arvo_lock); + + retval = arvo_get_actual_profile(usb_dev); + if (retval < 0) + return retval; + arvo->actual_profile = retval; + + return 0; +} + +static int arvo_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct arvo_device *arvo; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_KEYBOARD) { + hid_set_drvdata(hdev, NULL); + return 0; + } + + arvo = kzalloc(sizeof(*arvo), GFP_KERNEL); + if (!arvo) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, arvo); + + retval = arvo_init_arvo_device_struct(usb_dev, arvo); + if (retval) { + hid_err(hdev, "couldn't init struct arvo_device\n"); + goto exit_free; + } + + retval = roccat_connect(arvo_class, hdev, + sizeof(struct arvo_roccat_report)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + arvo->chrdev_minor = retval; + arvo->roccat_claimed = 1; + } + + return 0; +exit_free: + kfree(arvo); + return retval; +} + +static void arvo_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct arvo_device *arvo; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_KEYBOARD) + return; + + arvo = hid_get_drvdata(hdev); + if (arvo->roccat_claimed) + roccat_disconnect(arvo->chrdev_minor); + kfree(arvo); +} + +static int arvo_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = arvo_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install keyboard\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void arvo_remove(struct hid_device *hdev) +{ + arvo_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void arvo_report_to_chrdev(struct arvo_device const *arvo, + u8 const *data) +{ + struct arvo_special_report const *special_report; + struct arvo_roccat_report roccat_report; + + special_report = (struct arvo_special_report const *)data; + + roccat_report.profile = arvo->actual_profile; + roccat_report.button = special_report->event & + ARVO_SPECIAL_REPORT_EVENT_MASK_BUTTON; + if ((special_report->event & ARVO_SPECIAL_REPORT_EVENT_MASK_ACTION) == + ARVO_SPECIAL_REPORT_EVENT_ACTION_PRESS) + roccat_report.action = ARVO_ROCCAT_REPORT_ACTION_PRESS; + else + roccat_report.action = ARVO_ROCCAT_REPORT_ACTION_RELEASE; + + roccat_report_event(arvo->chrdev_minor, + (uint8_t const *)&roccat_report); +} + +static int arvo_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct arvo_device *arvo = hid_get_drvdata(hdev); + + if (size != 3) + return 0; + + if (arvo && arvo->roccat_claimed) + arvo_report_to_chrdev(arvo, data); + + return 0; +} + +static const struct hid_device_id arvo_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, arvo_devices); + +static struct hid_driver arvo_driver = { + .name = "arvo", + .id_table = arvo_devices, + .probe = arvo_probe, + .remove = arvo_remove, + .raw_event = arvo_raw_event +}; + +static int __init arvo_init(void) +{ + int retval; + + arvo_class = class_create(THIS_MODULE, "arvo"); + if (IS_ERR(arvo_class)) + return PTR_ERR(arvo_class); + arvo_class->dev_groups = arvo_groups; + + retval = hid_register_driver(&arvo_driver); + if (retval) + class_destroy(arvo_class); + return retval; +} + +static void __exit arvo_exit(void) +{ + hid_unregister_driver(&arvo_driver); + class_destroy(arvo_class); +} + +module_init(arvo_init); +module_exit(arvo_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Arvo driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-arvo.h b/drivers/hid/hid-roccat-arvo.h new file mode 100644 index 00000000000..ce8415e4f00 --- /dev/null +++ b/drivers/hid/hid-roccat-arvo.h @@ -0,0 +1,85 @@ +#ifndef __HID_ROCCAT_ARVO_H +#define __HID_ROCCAT_ARVO_H + +/* + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> + +struct arvo_mode_key { /* 2 bytes */ + uint8_t command; /* ARVO_COMMAND_MODE_KEY */ + uint8_t state; +} __packed; + +struct arvo_button { + uint8_t unknown[24]; +} __packed; + +struct arvo_info { + uint8_t unknown[8]; +} __packed; + +struct arvo_key_mask { /* 2 bytes */ + uint8_t command; /* ARVO_COMMAND_KEY_MASK */ + uint8_t key_mask; +} __packed; + +/* selected profile is persistent */ +struct arvo_actual_profile { /* 2 bytes */ + uint8_t command; /* ARVO_COMMAND_ACTUAL_PROFILE */ + uint8_t actual_profile; +} __packed; + +enum arvo_commands { + ARVO_COMMAND_MODE_KEY = 0x3, + ARVO_COMMAND_BUTTON = 0x4, + ARVO_COMMAND_INFO = 0x5, + ARVO_COMMAND_KEY_MASK = 0x6, + ARVO_COMMAND_ACTUAL_PROFILE = 0x7, +}; + +struct arvo_special_report { + uint8_t unknown1; /* always 0x01 */ + uint8_t event; + uint8_t unknown2; /* always 0x70 */ +} __packed; + +enum arvo_special_report_events { + ARVO_SPECIAL_REPORT_EVENT_ACTION_PRESS = 0x10, + ARVO_SPECIAL_REPORT_EVENT_ACTION_RELEASE = 0x0, +}; + +enum arvo_special_report_event_masks { + ARVO_SPECIAL_REPORT_EVENT_MASK_ACTION = 0xf0, + ARVO_SPECIAL_REPORT_EVENT_MASK_BUTTON = 0x0f, +}; + +struct arvo_roccat_report { + uint8_t profile; + uint8_t button; + uint8_t action; +} __packed; + +enum arvo_roccat_report_action { + ARVO_ROCCAT_REPORT_ACTION_RELEASE = 0, + ARVO_ROCCAT_REPORT_ACTION_PRESS = 1, +}; + +struct arvo_device { + int roccat_claimed; + int chrdev_minor; + + struct mutex arvo_lock; + + int actual_profile; +}; + +#endif diff --git a/drivers/hid/hid-roccat-common.c b/drivers/hid/hid-roccat-common.c new file mode 100644 index 00000000000..02e28e9f4ea --- /dev/null +++ b/drivers/hid/hid-roccat-common.c @@ -0,0 +1,180 @@ +/* + * Roccat common functions for device specific drivers + * + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/hid.h> +#include <linux/slab.h> +#include <linux/module.h> +#include "hid-roccat-common.h" + +static inline uint16_t roccat_common2_feature_report(uint8_t report_id) +{ + return 0x300 | report_id; +} + +int roccat_common2_receive(struct usb_device *usb_dev, uint report_id, + void *data, uint size) +{ + char *buf; + int len; + + buf = kmalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + HID_REQ_GET_REPORT, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + roccat_common2_feature_report(report_id), + 0, buf, size, USB_CTRL_SET_TIMEOUT); + + memcpy(data, buf, size); + kfree(buf); + return ((len < 0) ? len : ((len != size) ? -EIO : 0)); +} +EXPORT_SYMBOL_GPL(roccat_common2_receive); + +int roccat_common2_send(struct usb_device *usb_dev, uint report_id, + void const *data, uint size) +{ + char *buf; + int len; + + buf = kmemdup(data, size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), + HID_REQ_SET_REPORT, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + roccat_common2_feature_report(report_id), + 0, buf, size, USB_CTRL_SET_TIMEOUT); + + kfree(buf); + return ((len < 0) ? len : ((len != size) ? -EIO : 0)); +} +EXPORT_SYMBOL_GPL(roccat_common2_send); + +enum roccat_common2_control_states { + ROCCAT_COMMON_CONTROL_STATUS_CRITICAL = 0, + ROCCAT_COMMON_CONTROL_STATUS_OK = 1, + ROCCAT_COMMON_CONTROL_STATUS_INVALID = 2, + ROCCAT_COMMON_CONTROL_STATUS_BUSY = 3, + ROCCAT_COMMON_CONTROL_STATUS_CRITICAL_NEW = 4, +}; + +static int roccat_common2_receive_control_status(struct usb_device *usb_dev) +{ + int retval; + struct roccat_common2_control control; + + do { + msleep(50); + retval = roccat_common2_receive(usb_dev, + ROCCAT_COMMON_COMMAND_CONTROL, + &control, sizeof(struct roccat_common2_control)); + + if (retval) + return retval; + + switch (control.value) { + case ROCCAT_COMMON_CONTROL_STATUS_OK: + return 0; + case ROCCAT_COMMON_CONTROL_STATUS_BUSY: + msleep(500); + continue; + case ROCCAT_COMMON_CONTROL_STATUS_INVALID: + case ROCCAT_COMMON_CONTROL_STATUS_CRITICAL: + case ROCCAT_COMMON_CONTROL_STATUS_CRITICAL_NEW: + return -EINVAL; + default: + dev_err(&usb_dev->dev, + "roccat_common2_receive_control_status: " + "unknown response value 0x%x\n", + control.value); + return -EINVAL; + } + + } while (1); +} + +int roccat_common2_send_with_status(struct usb_device *usb_dev, + uint command, void const *buf, uint size) +{ + int retval; + + retval = roccat_common2_send(usb_dev, command, buf, size); + if (retval) + return retval; + + msleep(100); + + return roccat_common2_receive_control_status(usb_dev); +} +EXPORT_SYMBOL_GPL(roccat_common2_send_with_status); + +int roccat_common2_device_init_struct(struct usb_device *usb_dev, + struct roccat_common2_device *dev) +{ + mutex_init(&dev->lock); + return 0; +} +EXPORT_SYMBOL_GPL(roccat_common2_device_init_struct); + +ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off >= real_size) + return 0; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&roccat_dev->lock); + retval = roccat_common2_receive(usb_dev, command, buf, real_size); + mutex_unlock(&roccat_dev->lock); + + return retval ? retval : real_size; +} +EXPORT_SYMBOL_GPL(roccat_common2_sysfs_read); + +ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&roccat_dev->lock); + retval = roccat_common2_send_with_status(usb_dev, command, buf, real_size); + mutex_unlock(&roccat_dev->lock); + + return retval ? retval : real_size; +} +EXPORT_SYMBOL_GPL(roccat_common2_sysfs_write); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat common driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-common.h b/drivers/hid/hid-roccat-common.h new file mode 100644 index 00000000000..eaa56eb7d5d --- /dev/null +++ b/drivers/hid/hid-roccat-common.h @@ -0,0 +1,97 @@ +#ifndef __HID_ROCCAT_COMMON_H +#define __HID_ROCCAT_COMMON_H + +/* + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/usb.h> +#include <linux/types.h> + +enum roccat_common2_commands { + ROCCAT_COMMON_COMMAND_CONTROL = 0x4, +}; + +struct roccat_common2_control { + uint8_t command; + uint8_t value; + uint8_t request; /* always 0 on requesting write check */ +} __packed; + +int roccat_common2_receive(struct usb_device *usb_dev, uint report_id, + void *data, uint size); +int roccat_common2_send(struct usb_device *usb_dev, uint report_id, + void const *data, uint size); +int roccat_common2_send_with_status(struct usb_device *usb_dev, + uint command, void const *buf, uint size); + +struct roccat_common2_device { + int roccat_claimed; + int chrdev_minor; + struct mutex lock; +}; + +int roccat_common2_device_init_struct(struct usb_device *usb_dev, + struct roccat_common2_device *dev); +ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command); +ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command); + +#define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \ +static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \ + SIZE, COMMAND); \ +} + +#define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \ +static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \ + SIZE, COMMAND); \ +} + +#define ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE) \ +ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \ +ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) + +#define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \ +ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \ +static struct bin_attribute bin_attr_ ## thingy = { \ + .attr = { .name = #thingy, .mode = 0660 }, \ + .size = SIZE, \ + .read = roccat_common2_sysfs_read_ ## thingy, \ + .write = roccat_common2_sysfs_write_ ## thingy \ +} + +#define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \ +ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \ +static struct bin_attribute bin_attr_ ## thingy = { \ + .attr = { .name = #thingy, .mode = 0440 }, \ + .size = SIZE, \ + .read = roccat_common2_sysfs_read_ ## thingy, \ +} + +#define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \ +ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \ +static struct bin_attribute bin_attr_ ## thingy = { \ + .attr = { .name = #thingy, .mode = 0220 }, \ + .size = SIZE, \ + .write = roccat_common2_sysfs_write_ ## thingy \ +} + +#endif diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c new file mode 100644 index 00000000000..bc62ed91e45 --- /dev/null +++ b/drivers/hid/hid-roccat-isku.c @@ -0,0 +1,462 @@ +/* + * Roccat Isku driver for Linux + * + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Isku is a gamer keyboard with macro keys that can be configured in + * 5 profiles. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" +#include "hid-roccat-isku.h" + +static struct class *isku_class; + +static void isku_profile_activated(struct isku_device *isku, uint new_profile) +{ + isku->actual_profile = new_profile; +} + +static int isku_receive(struct usb_device *usb_dev, uint command, + void *buf, uint size) +{ + return roccat_common2_receive(usb_dev, command, buf, size); +} + +static int isku_get_actual_profile(struct usb_device *usb_dev) +{ + struct isku_actual_profile buf; + int retval; + + retval = isku_receive(usb_dev, ISKU_COMMAND_ACTUAL_PROFILE, + &buf, sizeof(struct isku_actual_profile)); + return retval ? retval : buf.actual_profile; +} + +static int isku_set_actual_profile(struct usb_device *usb_dev, int new_profile) +{ + struct isku_actual_profile buf; + + buf.command = ISKU_COMMAND_ACTUAL_PROFILE; + buf.size = sizeof(struct isku_actual_profile); + buf.actual_profile = new_profile; + return roccat_common2_send_with_status(usb_dev, + ISKU_COMMAND_ACTUAL_PROFILE, &buf, + sizeof(struct isku_actual_profile)); +} + +static ssize_t isku_sysfs_show_actual_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct isku_device *isku = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", isku->actual_profile); +} + +static ssize_t isku_sysfs_set_actual_profile(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct isku_device *isku; + struct usb_device *usb_dev; + unsigned long profile; + int retval; + struct isku_roccat_report roccat_report; + + dev = dev->parent->parent; + isku = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + retval = kstrtoul(buf, 10, &profile); + if (retval) + return retval; + + if (profile > 4) + return -EINVAL; + + mutex_lock(&isku->isku_lock); + + retval = isku_set_actual_profile(usb_dev, profile); + if (retval) { + mutex_unlock(&isku->isku_lock); + return retval; + } + + isku_profile_activated(isku, profile); + + roccat_report.event = ISKU_REPORT_BUTTON_EVENT_PROFILE; + roccat_report.data1 = profile + 1; + roccat_report.data2 = 0; + roccat_report.profile = profile + 1; + roccat_report_event(isku->chrdev_minor, (uint8_t const *)&roccat_report); + + mutex_unlock(&isku->isku_lock); + + return size; +} +static DEVICE_ATTR(actual_profile, 0660, isku_sysfs_show_actual_profile, + isku_sysfs_set_actual_profile); + +static struct attribute *isku_attrs[] = { + &dev_attr_actual_profile.attr, + NULL, +}; + +static ssize_t isku_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct isku_device *isku = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off >= real_size) + return 0; + + if (off != 0 || count > real_size) + return -EINVAL; + + mutex_lock(&isku->isku_lock); + retval = isku_receive(usb_dev, command, buf, count); + mutex_unlock(&isku->isku_lock); + + return retval ? retval : count; +} + +static ssize_t isku_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct isku_device *isku = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off != 0 || count > real_size) + return -EINVAL; + + mutex_lock(&isku->isku_lock); + retval = roccat_common2_send_with_status(usb_dev, command, + (void *)buf, count); + mutex_unlock(&isku->isku_lock); + + return retval ? retval : count; +} + +#define ISKU_SYSFS_W(thingy, THINGY) \ +static ssize_t isku_sysfs_write_ ## thingy(struct file *fp, struct kobject *kobj, \ + struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return isku_sysfs_write(fp, kobj, buf, off, count, \ + ISKU_SIZE_ ## THINGY, ISKU_COMMAND_ ## THINGY); \ +} + +#define ISKU_SYSFS_R(thingy, THINGY) \ +static ssize_t isku_sysfs_read_ ## thingy(struct file *fp, struct kobject *kobj, \ + struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return isku_sysfs_read(fp, kobj, buf, off, count, \ + ISKU_SIZE_ ## THINGY, ISKU_COMMAND_ ## THINGY); \ +} + +#define ISKU_SYSFS_RW(thingy, THINGY) \ +ISKU_SYSFS_R(thingy, THINGY) \ +ISKU_SYSFS_W(thingy, THINGY) + +#define ISKU_BIN_ATTR_RW(thingy, THINGY) \ +ISKU_SYSFS_RW(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0660 }, \ + .size = ISKU_SIZE_ ## THINGY, \ + .read = isku_sysfs_read_ ## thingy, \ + .write = isku_sysfs_write_ ## thingy \ +} + +#define ISKU_BIN_ATTR_R(thingy, THINGY) \ +ISKU_SYSFS_R(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0440 }, \ + .size = ISKU_SIZE_ ## THINGY, \ + .read = isku_sysfs_read_ ## thingy, \ +} + +#define ISKU_BIN_ATTR_W(thingy, THINGY) \ +ISKU_SYSFS_W(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0220 }, \ + .size = ISKU_SIZE_ ## THINGY, \ + .write = isku_sysfs_write_ ## thingy \ +} + +ISKU_BIN_ATTR_RW(macro, MACRO); +ISKU_BIN_ATTR_RW(keys_function, KEYS_FUNCTION); +ISKU_BIN_ATTR_RW(keys_easyzone, KEYS_EASYZONE); +ISKU_BIN_ATTR_RW(keys_media, KEYS_MEDIA); +ISKU_BIN_ATTR_RW(keys_thumbster, KEYS_THUMBSTER); +ISKU_BIN_ATTR_RW(keys_macro, KEYS_MACRO); +ISKU_BIN_ATTR_RW(keys_capslock, KEYS_CAPSLOCK); +ISKU_BIN_ATTR_RW(light, LIGHT); +ISKU_BIN_ATTR_RW(key_mask, KEY_MASK); +ISKU_BIN_ATTR_RW(last_set, LAST_SET); +ISKU_BIN_ATTR_W(talk, TALK); +ISKU_BIN_ATTR_W(talkfx, TALKFX); +ISKU_BIN_ATTR_W(control, CONTROL); +ISKU_BIN_ATTR_W(reset, RESET); +ISKU_BIN_ATTR_R(info, INFO); + +static struct bin_attribute *isku_bin_attributes[] = { + &bin_attr_macro, + &bin_attr_keys_function, + &bin_attr_keys_easyzone, + &bin_attr_keys_media, + &bin_attr_keys_thumbster, + &bin_attr_keys_macro, + &bin_attr_keys_capslock, + &bin_attr_light, + &bin_attr_key_mask, + &bin_attr_last_set, + &bin_attr_talk, + &bin_attr_talkfx, + &bin_attr_control, + &bin_attr_reset, + &bin_attr_info, + NULL, +}; + +static const struct attribute_group isku_group = { + .attrs = isku_attrs, + .bin_attrs = isku_bin_attributes, +}; + +static const struct attribute_group *isku_groups[] = { + &isku_group, + NULL, +}; + +static int isku_init_isku_device_struct(struct usb_device *usb_dev, + struct isku_device *isku) +{ + int retval; + + mutex_init(&isku->isku_lock); + + retval = isku_get_actual_profile(usb_dev); + if (retval < 0) + return retval; + isku_profile_activated(isku, retval); + + return 0; +} + +static int isku_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct isku_device *isku; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != ISKU_USB_INTERFACE_PROTOCOL) { + hid_set_drvdata(hdev, NULL); + return 0; + } + + isku = kzalloc(sizeof(*isku), GFP_KERNEL); + if (!isku) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, isku); + + retval = isku_init_isku_device_struct(usb_dev, isku); + if (retval) { + hid_err(hdev, "couldn't init struct isku_device\n"); + goto exit_free; + } + + retval = roccat_connect(isku_class, hdev, + sizeof(struct isku_roccat_report)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + isku->chrdev_minor = retval; + isku->roccat_claimed = 1; + } + + return 0; +exit_free: + kfree(isku); + return retval; +} + +static void isku_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct isku_device *isku; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != ISKU_USB_INTERFACE_PROTOCOL) + return; + + isku = hid_get_drvdata(hdev); + if (isku->roccat_claimed) + roccat_disconnect(isku->chrdev_minor); + kfree(isku); +} + +static int isku_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = isku_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install keyboard\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void isku_remove(struct hid_device *hdev) +{ + isku_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void isku_keep_values_up_to_date(struct isku_device *isku, + u8 const *data) +{ + struct isku_report_button const *button_report; + + switch (data[0]) { + case ISKU_REPORT_NUMBER_BUTTON: + button_report = (struct isku_report_button const *)data; + switch (button_report->event) { + case ISKU_REPORT_BUTTON_EVENT_PROFILE: + isku_profile_activated(isku, button_report->data1 - 1); + break; + } + break; + } +} + +static void isku_report_to_chrdev(struct isku_device const *isku, + u8 const *data) +{ + struct isku_roccat_report roccat_report; + struct isku_report_button const *button_report; + + if (data[0] != ISKU_REPORT_NUMBER_BUTTON) + return; + + button_report = (struct isku_report_button const *)data; + + roccat_report.event = button_report->event; + roccat_report.data1 = button_report->data1; + roccat_report.data2 = button_report->data2; + roccat_report.profile = isku->actual_profile + 1; + roccat_report_event(isku->chrdev_minor, + (uint8_t const *)&roccat_report); +} + +static int isku_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct isku_device *isku = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != ISKU_USB_INTERFACE_PROTOCOL) + return 0; + + if (isku == NULL) + return 0; + + isku_keep_values_up_to_date(isku, data); + + if (isku->roccat_claimed) + isku_report_to_chrdev(isku, data); + + return 0; +} + +static const struct hid_device_id isku_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, isku_devices); + +static struct hid_driver isku_driver = { + .name = "isku", + .id_table = isku_devices, + .probe = isku_probe, + .remove = isku_remove, + .raw_event = isku_raw_event +}; + +static int __init isku_init(void) +{ + int retval; + isku_class = class_create(THIS_MODULE, "isku"); + if (IS_ERR(isku_class)) + return PTR_ERR(isku_class); + isku_class->dev_groups = isku_groups; + + retval = hid_register_driver(&isku_driver); + if (retval) + class_destroy(isku_class); + return retval; +} + +static void __exit isku_exit(void) +{ + hid_unregister_driver(&isku_driver); + class_destroy(isku_class); +} + +module_init(isku_init); +module_exit(isku_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Isku/FX driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-isku.h b/drivers/hid/hid-roccat-isku.h new file mode 100644 index 00000000000..53056860d4d --- /dev/null +++ b/drivers/hid/hid-roccat-isku.h @@ -0,0 +1,100 @@ +#ifndef __HID_ROCCAT_ISKU_H +#define __HID_ROCCAT_ISKU_H + +/* + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> + +enum { + ISKU_SIZE_CONTROL = 0x03, + ISKU_SIZE_INFO = 0x06, + ISKU_SIZE_KEY_MASK = 0x06, + ISKU_SIZE_KEYS_FUNCTION = 0x29, + ISKU_SIZE_KEYS_EASYZONE = 0x41, + ISKU_SIZE_KEYS_MEDIA = 0x1d, + ISKU_SIZE_KEYS_THUMBSTER = 0x17, + ISKU_SIZE_KEYS_MACRO = 0x23, + ISKU_SIZE_KEYS_CAPSLOCK = 0x06, + ISKU_SIZE_LAST_SET = 0x14, + ISKU_SIZE_LIGHT = 0x10, + ISKU_SIZE_MACRO = 0x823, + ISKU_SIZE_RESET = 0x03, + ISKU_SIZE_TALK = 0x10, + ISKU_SIZE_TALKFX = 0x10, +}; + +enum { + ISKU_PROFILE_NUM = 5, + ISKU_USB_INTERFACE_PROTOCOL = 0, +}; + +struct isku_actual_profile { + uint8_t command; /* ISKU_COMMAND_ACTUAL_PROFILE */ + uint8_t size; /* always 3 */ + uint8_t actual_profile; +} __packed; + +enum isku_commands { + ISKU_COMMAND_CONTROL = 0x4, + ISKU_COMMAND_ACTUAL_PROFILE = 0x5, + ISKU_COMMAND_KEY_MASK = 0x7, + ISKU_COMMAND_KEYS_FUNCTION = 0x8, + ISKU_COMMAND_KEYS_EASYZONE = 0x9, + ISKU_COMMAND_KEYS_MEDIA = 0xa, + ISKU_COMMAND_KEYS_THUMBSTER = 0xb, + ISKU_COMMAND_KEYS_MACRO = 0xd, + ISKU_COMMAND_MACRO = 0xe, + ISKU_COMMAND_INFO = 0xf, + ISKU_COMMAND_LIGHT = 0x10, + ISKU_COMMAND_RESET = 0x11, + ISKU_COMMAND_KEYS_CAPSLOCK = 0x13, + ISKU_COMMAND_LAST_SET = 0x14, + ISKU_COMMAND_15 = 0x15, + ISKU_COMMAND_TALK = 0x16, + ISKU_COMMAND_TALKFX = 0x17, + ISKU_COMMAND_FIRMWARE_WRITE = 0x1b, + ISKU_COMMAND_FIRMWARE_WRITE_CONTROL = 0x1c, +}; + +struct isku_report_button { + uint8_t number; /* ISKU_REPORT_NUMBER_BUTTON */ + uint8_t zero; + uint8_t event; + uint8_t data1; + uint8_t data2; +}; + +enum isku_report_numbers { + ISKU_REPORT_NUMBER_BUTTON = 3, +}; + +enum isku_report_button_events { + ISKU_REPORT_BUTTON_EVENT_PROFILE = 0x2, +}; + +struct isku_roccat_report { + uint8_t event; + uint8_t data1; + uint8_t data2; + uint8_t profile; +} __packed; + +struct isku_device { + int roccat_claimed; + int chrdev_minor; + + struct mutex isku_lock; + + int actual_profile; +}; + +#endif diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index f77695762cb..6101816a7dd 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -28,13 +28,72 @@ #include <linux/device.h> #include <linux/input.h> #include <linux/hid.h> -#include <linux/usb.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/hid-roccat.h> #include "hid-ids.h" -#include "hid-roccat.h" +#include "hid-roccat-common.h" #include "hid-roccat-kone.h" +static uint profile_numbers[5] = {0, 1, 2, 3, 4}; + +static void kone_profile_activated(struct kone_device *kone, uint new_profile) +{ + kone->actual_profile = new_profile; + kone->actual_dpi = kone->profiles[new_profile - 1].startup_dpi; +} + +static void kone_profile_report(struct kone_device *kone, uint new_profile) +{ + struct kone_roccat_report roccat_report; + roccat_report.event = kone_mouse_event_switch_profile; + roccat_report.value = new_profile; + roccat_report.key = 0; + roccat_report_event(kone->chrdev_minor, (uint8_t *)&roccat_report); +} + +static int kone_receive(struct usb_device *usb_dev, uint usb_command, + void *data, uint size) +{ + char *buf; + int len; + + buf = kmalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + HID_REQ_GET_REPORT, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT); + + memcpy(data, buf, size); + kfree(buf); + return ((len < 0) ? len : ((len != size) ? -EIO : 0)); +} + +static int kone_send(struct usb_device *usb_dev, uint usb_command, + void const *data, uint size) +{ + char *buf; + int len; + + buf = kmemdup(data, size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), + HID_REQ_SET_REPORT, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT); + + kfree(buf); + return ((len < 0) ? len : ((len != size) ? -EIO : 0)); +} + +/* kone_class is used for creating sysfs attributes via roccat char device */ +static struct class *kone_class; + static void kone_set_settings_checksum(struct kone_settings *settings) { uint16_t checksum = 0; @@ -53,12 +112,8 @@ static void kone_set_settings_checksum(struct kone_settings *settings) */ static int kone_check_write(struct usb_device *usb_dev) { - int len; - unsigned char *data; - - data = kmalloc(1, GFP_KERNEL); - if (!data) - return -ENOMEM; + int retval; + uint8_t data; do { /* @@ -67,57 +122,36 @@ static int kone_check_write(struct usb_device *usb_dev) */ msleep(80); - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | - USB_DIR_IN, - kone_command_confirm_write, 0, data, 1, - USB_CTRL_SET_TIMEOUT); - - if (len != 1) { - kfree(data); - return -EIO; - } + retval = kone_receive(usb_dev, + kone_command_confirm_write, &data, 1); + if (retval) + return retval; /* * value of 3 seems to mean something like * "not finished yet, but it looks good" * So check again after a moment. */ - } while (*data == 3); + } while (data == 3); - if (*data == 1) { /* everything alright */ - kfree(data); + if (data == 1) /* everything alright */ return 0; - } else { /* unknown answer */ - dev_err(&usb_dev->dev, "got retval %d when checking write\n", - *data); - kfree(data); - return -EIO; - } + + /* unknown answer */ + dev_err(&usb_dev->dev, "got retval %d when checking write\n", data); + return -EIO; } /* * Reads settings from mouse and stores it in @buf - * @buf has to be alloced with GFP_KERNEL * On success returns 0 * On failure returns errno */ static int kone_get_settings(struct usb_device *usb_dev, struct kone_settings *buf) { - int len; - - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - kone_command_settings, 0, buf, - sizeof(struct kone_settings), USB_CTRL_SET_TIMEOUT); - - if (len != sizeof(struct kone_settings)) - return -EIO; - - return 0; + return kone_receive(usb_dev, kone_command_settings, buf, + sizeof(struct kone_settings)); } /* @@ -128,22 +162,12 @@ static int kone_get_settings(struct usb_device *usb_dev, static int kone_set_settings(struct usb_device *usb_dev, struct kone_settings const *settings) { - int len; - - len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), - USB_REQ_SET_CONFIGURATION, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - kone_command_settings, 0, (char *)settings, - sizeof(struct kone_settings), - USB_CTRL_SET_TIMEOUT); - - if (len != sizeof(struct kone_settings)) - return -EIO; - - if (kone_check_write(usb_dev)) - return -EIO; - - return 0; + int retval; + retval = kone_send(usb_dev, kone_command_settings, + settings, sizeof(struct kone_settings)); + if (retval) + return retval; + return kone_check_write(usb_dev); } /* @@ -189,7 +213,7 @@ static int kone_set_profile(struct usb_device *usb_dev, len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), USB_REQ_SET_CONFIGURATION, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - kone_command_profile, number, (char *)profile, + kone_command_profile, number, (void *)profile, sizeof(struct kone_profile), USB_CTRL_SET_TIMEOUT); @@ -209,24 +233,15 @@ static int kone_set_profile(struct usb_device *usb_dev, */ static int kone_get_weight(struct usb_device *usb_dev, int *result) { - int len; - uint8_t *data; + int retval; + uint8_t data; - data = kmalloc(1, GFP_KERNEL); - if (!data) - return -ENOMEM; + retval = kone_receive(usb_dev, kone_command_weight, &data, 1); - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - kone_command_weight, 0, data, 1, USB_CTRL_SET_TIMEOUT); + if (retval) + return retval; - if (len != 1) { - kfree(data); - return -EIO; - } - *result = (int)*data; - kfree(data); + *result = (int)data; return 0; } @@ -237,32 +252,23 @@ static int kone_get_weight(struct usb_device *usb_dev, int *result) */ static int kone_get_firmware_version(struct usb_device *usb_dev, int *result) { - int len; - unsigned char *data; - - data = kmalloc(2, GFP_KERNEL); - if (!data) - return -ENOMEM; + int retval; + uint16_t data; - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - kone_command_firmware_version, 0, data, 2, - USB_CTRL_SET_TIMEOUT); + retval = kone_receive(usb_dev, kone_command_firmware_version, + &data, 2); + if (retval) + return retval; - if (len != 2) { - kfree(data); - return -EIO; - } - *result = le16_to_cpu(*data); - kfree(data); + *result = le16_to_cpu(data); return 0; } static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); if (off >= sizeof(struct kone_settings)) @@ -286,10 +292,11 @@ static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj, static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); - int retval = 0, difference; + int retval = 0, difference, old_profile; /* I need to get my data in one piece */ if (off != 0 || count != sizeof(struct kone_settings)) @@ -300,29 +307,31 @@ static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj, if (difference) { retval = kone_set_settings(usb_dev, (struct kone_settings const *)buf); - if (!retval) - memcpy(&kone->settings, buf, - sizeof(struct kone_settings)); - } - mutex_unlock(&kone->kone_lock); + if (retval) { + mutex_unlock(&kone->kone_lock); + return retval; + } - if (retval) - return retval; + old_profile = kone->settings.startup_profile; + memcpy(&kone->settings, buf, sizeof(struct kone_settings)); - /* - * If we get here, treat settings as okay and update actual values - * according to startup_profile - */ - kone->actual_profile = kone->settings.startup_profile; - kone->actual_dpi = kone->profiles[kone->actual_profile - 1].startup_dpi; + kone_profile_activated(kone, kone->settings.startup_profile); + + if (kone->settings.startup_profile != old_profile) + kone_profile_report(kone, kone->settings.startup_profile); + } + mutex_unlock(&kone->kone_lock); return sizeof(struct kone_settings); } +static BIN_ATTR(settings, 0660, kone_sysfs_read_settings, + kone_sysfs_write_settings, sizeof(struct kone_settings)); -static ssize_t kone_sysfs_read_profilex(struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count, int number) { - struct device *dev = container_of(kobj, struct device, kobj); +static ssize_t kone_sysfs_read_profilex(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, + char *buf, loff_t off, size_t count) { + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); if (off >= sizeof(struct kone_profile)) @@ -332,47 +341,18 @@ static ssize_t kone_sysfs_read_profilex(struct kobject *kobj, count = sizeof(struct kone_profile) - off; mutex_lock(&kone->kone_lock); - memcpy(buf, ((char const *)&kone->profiles[number - 1]) + off, count); + memcpy(buf, ((char const *)&kone->profiles[*(uint *)(attr->private)]) + off, count); mutex_unlock(&kone->kone_lock); return count; } -static ssize_t kone_sysfs_read_profile1(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 1); -} - -static ssize_t kone_sysfs_read_profile2(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 2); -} - -static ssize_t kone_sysfs_read_profile3(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 3); -} - -static ssize_t kone_sysfs_read_profile4(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 4); -} - -static ssize_t kone_sysfs_read_profile5(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 5); -} - /* Writes data only if different to stored data */ -static ssize_t kone_sysfs_write_profilex(struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count, int number) { - struct device *dev = container_of(kobj, struct device, kobj); +static ssize_t kone_sysfs_write_profilex(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, + char *buf, loff_t off, size_t count) { + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); struct kone_profile *profile; @@ -382,13 +362,14 @@ static ssize_t kone_sysfs_write_profilex(struct kobject *kobj, if (off != 0 || count != sizeof(struct kone_profile)) return -EINVAL; - profile = &kone->profiles[number - 1]; + profile = &kone->profiles[*(uint *)(attr->private)]; mutex_lock(&kone->kone_lock); difference = memcmp(buf, profile, sizeof(struct kone_profile)); if (difference) { retval = kone_set_profile(usb_dev, - (struct kone_profile const *)buf, number); + (struct kone_profile const *)buf, + *(uint *)(attr->private) + 1); if (!retval) memcpy(profile, buf, sizeof(struct kone_profile)); } @@ -399,60 +380,51 @@ static ssize_t kone_sysfs_write_profilex(struct kobject *kobj, return sizeof(struct kone_profile); } - -static ssize_t kone_sysfs_write_profile1(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 1); -} - -static ssize_t kone_sysfs_write_profile2(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 2); -} - -static ssize_t kone_sysfs_write_profile3(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 3); -} - -static ssize_t kone_sysfs_write_profile4(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 4); -} - -static ssize_t kone_sysfs_write_profile5(struct file *fp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) { - return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 5); -} +#define PROFILE_ATTR(number) \ +static struct bin_attribute bin_attr_profile##number = { \ + .attr = { .name = "profile" #number, .mode = 0660 }, \ + .size = sizeof(struct kone_profile), \ + .read = kone_sysfs_read_profilex, \ + .write = kone_sysfs_write_profilex, \ + .private = &profile_numbers[number-1], \ +}; +PROFILE_ATTR(1); +PROFILE_ATTR(2); +PROFILE_ATTR(3); +PROFILE_ATTR(4); +PROFILE_ATTR(5); static ssize_t kone_sysfs_show_actual_profile(struct device *dev, struct device_attribute *attr, char *buf) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); + struct kone_device *kone = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile); } +static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL); static ssize_t kone_sysfs_show_actual_dpi(struct device *dev, struct device_attribute *attr, char *buf) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); + struct kone_device *kone = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi); } +static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL); /* weight is read each time, since we don't get informed when it's changed */ static ssize_t kone_sysfs_show_weight(struct device *dev, struct device_attribute *attr, char *buf) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); - struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + struct kone_device *kone; + struct usb_device *usb_dev; int weight = 0; int retval; + dev = dev->parent->parent; + kone = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + mutex_lock(&kone->kone_lock); retval = kone_get_weight(usb_dev, &weight); mutex_unlock(&kone->kone_lock); @@ -461,40 +433,31 @@ static ssize_t kone_sysfs_show_weight(struct device *dev, return retval; return snprintf(buf, PAGE_SIZE, "%d\n", weight); } +static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL); static ssize_t kone_sysfs_show_firmware_version(struct device *dev, struct device_attribute *attr, char *buf) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); + struct kone_device *kone = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version); } +static DEVICE_ATTR(firmware_version, 0440, kone_sysfs_show_firmware_version, + NULL); static ssize_t kone_sysfs_show_tcu(struct device *dev, struct device_attribute *attr, char *buf) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); + struct kone_device *kone = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu); } static int kone_tcu_command(struct usb_device *usb_dev, int number) { - int len; - char *value; - - value = kmalloc(1, GFP_KERNEL); - if (!value) - return -ENOMEM; - - *value = number; - - len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), - USB_REQ_SET_CONFIGURATION, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - kone_command_calibrate, 0, value, 1, - USB_CTRL_SET_TIMEOUT); - - kfree(value); - return ((len != 1) ? -EIO : 0); + unsigned char value; + value = number; + return kone_send(usb_dev, kone_command_calibrate, &value, 1); } /* @@ -504,12 +467,16 @@ static int kone_tcu_command(struct usb_device *usb_dev, int number) static ssize_t kone_sysfs_set_tcu(struct device *dev, struct device_attribute *attr, char const *buf, size_t size) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); - struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + struct kone_device *kone; + struct usb_device *usb_dev; int retval; unsigned long state; - retval = strict_strtoul(buf, 10, &state); + dev = dev->parent->parent; + kone = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + retval = kstrtoul(buf, 10, &state); if (retval) return retval; @@ -566,6 +533,8 @@ static ssize_t kone_sysfs_set_tcu(struct device *dev, goto exit_no_settings; goto exit_unlock; } + /* calibration resets profile */ + kone_profile_activated(kone, kone->settings.startup_profile); } retval = size; @@ -575,23 +544,29 @@ exit_unlock: mutex_unlock(&kone->kone_lock); return retval; } +static DEVICE_ATTR(tcu, 0660, kone_sysfs_show_tcu, kone_sysfs_set_tcu); static ssize_t kone_sysfs_show_startup_profile(struct device *dev, struct device_attribute *attr, char *buf) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); + struct kone_device *kone = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile); } static ssize_t kone_sysfs_set_startup_profile(struct device *dev, struct device_attribute *attr, char const *buf, size_t size) { - struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev)); - struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + struct kone_device *kone; + struct usb_device *usb_dev; int retval; unsigned long new_startup_profile; - retval = strict_strtoul(buf, 10, &new_startup_profile); + dev = dev->parent->parent; + kone = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + retval = kstrtoul(buf, 10, &new_startup_profile); if (retval) return retval; @@ -604,173 +579,79 @@ static ssize_t kone_sysfs_set_startup_profile(struct device *dev, kone_set_settings_checksum(&kone->settings); retval = kone_set_settings(usb_dev, &kone->settings); - - mutex_unlock(&kone->kone_lock); - - if (retval) + if (retval) { + mutex_unlock(&kone->kone_lock); return retval; + } /* changing the startup profile immediately activates this profile */ - kone->actual_profile = new_startup_profile; - kone->actual_dpi = kone->profiles[kone->actual_profile - 1].startup_dpi; + kone_profile_activated(kone, new_startup_profile); + kone_profile_report(kone, new_startup_profile); + mutex_unlock(&kone->kone_lock); return size; } +static DEVICE_ATTR(startup_profile, 0660, kone_sysfs_show_startup_profile, + kone_sysfs_set_startup_profile); -/* - * Read actual dpi settings. - * Returns raw value for further processing. Refer to enum kone_polling_rates to - * get real value. - */ -static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL); - -static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL); - -/* - * The mouse can be equipped with one of four supplied weights from 5 to 20 - * grams which are recognized and its value can be read out. - * This returns the raw value reported by the mouse for easy evaluation by - * software. Refer to enum kone_weights to get corresponding real weight. - */ -static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL); - -/* - * Prints firmware version stored in mouse as integer. - * The raw value reported by the mouse is returned for easy evaluation, to get - * the real version number the decimal point has to be shifted 2 positions to - * the left. E.g. a value of 138 means 1.38. - */ -static DEVICE_ATTR(firmware_version, 0440, - kone_sysfs_show_firmware_version, NULL); - -/* - * Prints state of Tracking Control Unit as number where 0 = off and 1 = on - * Writing 0 deactivates tcu and writing 1 calibrates and activates the tcu - */ -static DEVICE_ATTR(tcu, 0660, kone_sysfs_show_tcu, kone_sysfs_set_tcu); - -/* Prints and takes the number of the profile the mouse starts with */ -static DEVICE_ATTR(startup_profile, 0660, - kone_sysfs_show_startup_profile, - kone_sysfs_set_startup_profile); - -static struct attribute *kone_attributes[] = { - &dev_attr_actual_dpi.attr, - &dev_attr_actual_profile.attr, - &dev_attr_weight.attr, - &dev_attr_firmware_version.attr, - &dev_attr_tcu.attr, - &dev_attr_startup_profile.attr, - NULL -}; +static struct attribute *kone_attrs[] = { + /* + * Read actual dpi settings. + * Returns raw value for further processing. Refer to enum + * kone_polling_rates to get real value. + */ + &dev_attr_actual_dpi.attr, + &dev_attr_actual_profile.attr, -static struct attribute_group kone_attribute_group = { - .attrs = kone_attributes -}; + /* + * The mouse can be equipped with one of four supplied weights from 5 + * to 20 grams which are recognized and its value can be read out. + * This returns the raw value reported by the mouse for easy evaluation + * by software. Refer to enum kone_weights to get corresponding real + * weight. + */ + &dev_attr_weight.attr, -static struct bin_attribute kone_settings_attr = { - .attr = { .name = "settings", .mode = 0660 }, - .size = sizeof(struct kone_settings), - .read = kone_sysfs_read_settings, - .write = kone_sysfs_write_settings -}; + /* + * Prints firmware version stored in mouse as integer. + * The raw value reported by the mouse is returned for easy evaluation, + * to get the real version number the decimal point has to be shifted 2 + * positions to the left. E.g. a value of 138 means 1.38. + */ + &dev_attr_firmware_version.attr, -static struct bin_attribute kone_profile1_attr = { - .attr = { .name = "profile1", .mode = 0660 }, - .size = sizeof(struct kone_profile), - .read = kone_sysfs_read_profile1, - .write = kone_sysfs_write_profile1 -}; + /* + * Prints state of Tracking Control Unit as number where 0 = off and + * 1 = on. Writing 0 deactivates tcu and writing 1 calibrates and + * activates the tcu + */ + &dev_attr_tcu.attr, -static struct bin_attribute kone_profile2_attr = { - .attr = { .name = "profile2", .mode = 0660 }, - .size = sizeof(struct kone_profile), - .read = kone_sysfs_read_profile2, - .write = kone_sysfs_write_profile2 + /* Prints and takes the number of the profile the mouse starts with */ + &dev_attr_startup_profile.attr, + NULL, }; -static struct bin_attribute kone_profile3_attr = { - .attr = { .name = "profile3", .mode = 0660 }, - .size = sizeof(struct kone_profile), - .read = kone_sysfs_read_profile3, - .write = kone_sysfs_write_profile3 +static struct bin_attribute *kone_bin_attributes[] = { + &bin_attr_settings, + &bin_attr_profile1, + &bin_attr_profile2, + &bin_attr_profile3, + &bin_attr_profile4, + &bin_attr_profile5, + NULL, }; -static struct bin_attribute kone_profile4_attr = { - .attr = { .name = "profile4", .mode = 0660 }, - .size = sizeof(struct kone_profile), - .read = kone_sysfs_read_profile4, - .write = kone_sysfs_write_profile4 +static const struct attribute_group kone_group = { + .attrs = kone_attrs, + .bin_attrs = kone_bin_attributes, }; -static struct bin_attribute kone_profile5_attr = { - .attr = { .name = "profile5", .mode = 0660 }, - .size = sizeof(struct kone_profile), - .read = kone_sysfs_read_profile5, - .write = kone_sysfs_write_profile5 +static const struct attribute_group *kone_groups[] = { + &kone_group, + NULL, }; -static int kone_create_sysfs_attributes(struct usb_interface *intf) -{ - int retval; - - retval = sysfs_create_group(&intf->dev.kobj, &kone_attribute_group); - if (retval) - goto exit_1; - - retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_settings_attr); - if (retval) - goto exit_2; - - retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile1_attr); - if (retval) - goto exit_3; - - retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile2_attr); - if (retval) - goto exit_4; - - retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile3_attr); - if (retval) - goto exit_5; - - retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile4_attr); - if (retval) - goto exit_6; - - retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile5_attr); - if (retval) - goto exit_7; - - return 0; - -exit_7: - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile4_attr); -exit_6: - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile3_attr); -exit_5: - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile2_attr); -exit_4: - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile1_attr); -exit_3: - sysfs_remove_bin_file(&intf->dev.kobj, &kone_settings_attr); -exit_2: - sysfs_remove_group(&intf->dev.kobj, &kone_attribute_group); -exit_1: - return retval; -} - -static void kone_remove_sysfs_attributes(struct usb_interface *intf) -{ - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile5_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile4_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile3_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile2_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile1_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &kone_settings_attr); - sysfs_remove_group(&intf->dev.kobj, &kone_attribute_group); -} - static int kone_init_kone_device_struct(struct usb_device *usb_dev, struct kone_device *kone) { @@ -793,8 +674,7 @@ static int kone_init_kone_device_struct(struct usb_device *usb_dev, if (retval) return retval; - kone->actual_profile = kone->settings.startup_profile; - kone->actual_dpi = kone->profiles[kone->actual_profile].startup_dpi; + kone_profile_activated(kone, kone->settings.startup_profile); return 0; } @@ -818,32 +698,26 @@ static int kone_init_specials(struct hid_device *hdev) kone = kzalloc(sizeof(*kone), GFP_KERNEL); if (!kone) { - dev_err(&hdev->dev, "can't alloc device descriptor\n"); + hid_err(hdev, "can't alloc device descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, kone); retval = kone_init_kone_device_struct(usb_dev, kone); if (retval) { - dev_err(&hdev->dev, - "couldn't init struct kone_device\n"); + hid_err(hdev, "couldn't init struct kone_device\n"); goto exit_free; } - retval = roccat_connect(hdev); + retval = roccat_connect(kone_class, hdev, + sizeof(struct kone_roccat_report)); if (retval < 0) { - dev_err(&hdev->dev, "couldn't init char dev\n"); + hid_err(hdev, "couldn't init char dev\n"); /* be tolerant about not getting chrdev */ } else { kone->roccat_claimed = 1; kone->chrdev_minor = retval; } - - retval = kone_create_sysfs_attributes(intf); - if (retval) { - dev_err(&hdev->dev, "cannot create sysfs files\n"); - goto exit_free; - } } else { hid_set_drvdata(hdev, NULL); } @@ -854,7 +728,6 @@ exit_free: return retval; } - static void kone_remove_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); @@ -862,7 +735,6 @@ static void kone_remove_specials(struct hid_device *hdev) if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) { - kone_remove_sysfs_attributes(intf); kone = hid_get_drvdata(hdev); if (kone->roccat_claimed) roccat_disconnect(kone->chrdev_minor); @@ -876,19 +748,19 @@ static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id) retval = hid_parse(hdev); if (retval) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto exit; } retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (retval) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto exit; } retval = kone_init_specials(hdev); if (retval) { - dev_err(&hdev->dev, "couldn't install mouse\n"); + hid_err(hdev, "couldn't install mouse\n"); goto exit_stop; } @@ -912,10 +784,10 @@ static void kone_keep_values_up_to_date(struct kone_device *kone, { switch (event->event) { case kone_mouse_event_switch_profile: + kone->actual_dpi = kone->profiles[event->value - 1]. + startup_dpi; case kone_mouse_event_osd_profile: kone->actual_profile = event->value; - kone->actual_dpi = kone->profiles[kone->actual_profile - 1]. - startup_dpi; break; case kone_mouse_event_switch_dpi: case kone_mouse_event_osd_dpi: @@ -938,17 +810,16 @@ static void kone_report_to_chrdev(struct kone_device const *kone, roccat_report.value = event->value; roccat_report.key = 0; roccat_report_event(kone->chrdev_minor, - (uint8_t *)&roccat_report, - sizeof(struct kone_roccat_report)); + (uint8_t *)&roccat_report); break; case kone_mouse_event_call_overlong_macro: + case kone_mouse_event_multimedia: if (event->value == kone_keystroke_action_press) { - roccat_report.event = kone_mouse_event_call_overlong_macro; + roccat_report.event = event->event; roccat_report.value = kone->actual_profile; roccat_report.key = event->macro_key; roccat_report_event(kone->chrdev_minor, - (uint8_t *)&roccat_report, - sizeof(struct kone_roccat_report)); + (uint8_t *)&roccat_report); } break; } @@ -970,6 +841,9 @@ static int kone_raw_event(struct hid_device *hdev, struct hid_report *report, if (size != sizeof(struct kone_mouse_event)) return 0; + if (kone == NULL) + return 0; + /* * Firmware 1.38 introduced new behaviour for tilt and special buttons. * Pressed button is reported in each movement event. @@ -1006,12 +880,24 @@ static struct hid_driver kone_driver = { static int __init kone_init(void) { - return hid_register_driver(&kone_driver); + int retval; + + /* class name has to be same as driver name */ + kone_class = class_create(THIS_MODULE, "kone"); + if (IS_ERR(kone_class)) + return PTR_ERR(kone_class); + kone_class->dev_groups = kone_groups; + + retval = hid_register_driver(&kone_driver); + if (retval) + class_destroy(kone_class); + return retval; } static void __exit kone_exit(void) { hid_unregister_driver(&kone_driver); + class_destroy(kone_class); } module_init(kone_init); diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h index 130d6566ea8..52c6167d023 100644 --- a/drivers/hid/hid-roccat-kone.h +++ b/drivers/hid/hid-roccat-kone.h @@ -14,14 +14,11 @@ #include <linux/types.h> -#pragma pack(push) -#pragma pack(1) - struct kone_keystroke { uint8_t key; uint8_t action; uint16_t period; /* in milliseconds */ -}; +} __attribute__ ((__packed__)); enum kone_keystroke_buttons { kone_keystroke_button_1 = 0xf0, /* left mouse button */ @@ -44,7 +41,7 @@ struct kone_button_info { uint8_t macro_name[16]; /* can be max 15 chars long */ uint8_t count; struct kone_keystroke keystrokes[20]; -}; +} __attribute__ ((__packed__)); enum kone_button_info_types { /* valid button types until firmware 1.32 */ @@ -95,7 +92,7 @@ struct kone_light_info { uint8_t red; /* range 0x00-0xff */ uint8_t green; /* range 0x00-0xff */ uint8_t blue; /* range 0x00-0xff */ -}; +} __attribute__ ((__packed__)); struct kone_profile { uint16_t size; /* always 975 */ @@ -130,7 +127,7 @@ struct kone_profile { struct kone_button_info button_infos[8]; uint16_t checksum; /* \brief holds checksum of struct */ -}; +} __attribute__ ((__packed__)); enum kone_polling_rates { kone_polling_rate_125 = 1, @@ -147,7 +144,7 @@ struct kone_settings { uint8_t calibration_data[4]; uint8_t unknown3[2]; uint16_t checksum; -}; +} __attribute__ ((__packed__)); /* * 12 byte mouse event read by interrupt_read @@ -163,7 +160,7 @@ struct kone_mouse_event { uint8_t event; uint8_t value; /* press = 0, release = 1 */ uint8_t macro_key; /* 0 to 8 */ -}; +} __attribute__ ((__packed__)); enum kone_mouse_events { /* osd events are thought to be display on screen */ @@ -172,6 +169,7 @@ enum kone_mouse_events { /* TODO clarify meaning and occurence of kone_mouse_event_calibration */ kone_mouse_event_calibration = 0xc0, kone_mouse_event_call_overlong_macro = 0xe0, + kone_mouse_event_multimedia = 0xe1, /* switch events notify if user changed values with mousebutton click */ kone_mouse_event_switch_dpi = 0xf0, kone_mouse_event_switch_profile = 0xf1 @@ -191,9 +189,7 @@ struct kone_roccat_report { uint8_t event; uint8_t value; /* holds dpi or profile value */ uint8_t key; /* macro key on overlong macro execution */ -}; - -#pragma pack(pop) +} __attribute__ ((__packed__)); struct kone_device { /* diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c new file mode 100644 index 00000000000..5e99fcdc71b --- /dev/null +++ b/drivers/hid/hid-roccat-koneplus.c @@ -0,0 +1,578 @@ +/* + * Roccat Kone[+] driver for Linux + * + * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Kone[+] is an updated/improved version of the Kone with more memory + * and functionality and without the non-standard behaviours the Kone had. + * KoneXTD has same capabilities but updated sensor. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" +#include "hid-roccat-koneplus.h" + +static uint profile_numbers[5] = {0, 1, 2, 3, 4}; + +static struct class *koneplus_class; + +static void koneplus_profile_activated(struct koneplus_device *koneplus, + uint new_profile) +{ + koneplus->actual_profile = new_profile; +} + +static int koneplus_send_control(struct usb_device *usb_dev, uint value, + enum koneplus_control_requests request) +{ + struct roccat_common2_control control; + + if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || + request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) && + value > 4) + return -EINVAL; + + control.command = ROCCAT_COMMON_COMMAND_CONTROL; + control.value = value; + control.request = request; + + return roccat_common2_send_with_status(usb_dev, + ROCCAT_COMMON_COMMAND_CONTROL, + &control, sizeof(struct roccat_common2_control)); +} + + +/* retval is 0-4 on success, < 0 on error */ +static int koneplus_get_actual_profile(struct usb_device *usb_dev) +{ + struct koneplus_actual_profile buf; + int retval; + + retval = roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_ACTUAL_PROFILE, + &buf, KONEPLUS_SIZE_ACTUAL_PROFILE); + + return retval ? retval : buf.actual_profile; +} + +static int koneplus_set_actual_profile(struct usb_device *usb_dev, + int new_profile) +{ + struct koneplus_actual_profile buf; + + buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE; + buf.size = KONEPLUS_SIZE_ACTUAL_PROFILE; + buf.actual_profile = new_profile; + + return roccat_common2_send_with_status(usb_dev, + KONEPLUS_COMMAND_ACTUAL_PROFILE, + &buf, KONEPLUS_SIZE_ACTUAL_PROFILE); +} + +static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off >= real_size) + return 0; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&koneplus->koneplus_lock); + retval = roccat_common2_receive(usb_dev, command, buf, real_size); + mutex_unlock(&koneplus->koneplus_lock); + + if (retval) + return retval; + + return real_size; +} + +static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&koneplus->koneplus_lock); + retval = roccat_common2_send_with_status(usb_dev, command, + buf, real_size); + mutex_unlock(&koneplus->koneplus_lock); + + if (retval) + return retval; + + return real_size; +} + +#define KONEPLUS_SYSFS_W(thingy, THINGY) \ +static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return koneplus_sysfs_write(fp, kobj, buf, off, count, \ + KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \ +} + +#define KONEPLUS_SYSFS_R(thingy, THINGY) \ +static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return koneplus_sysfs_read(fp, kobj, buf, off, count, \ + KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \ +} + +#define KONEPLUS_SYSFS_RW(thingy, THINGY) \ +KONEPLUS_SYSFS_W(thingy, THINGY) \ +KONEPLUS_SYSFS_R(thingy, THINGY) + +#define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \ +KONEPLUS_SYSFS_RW(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0660 }, \ + .size = KONEPLUS_SIZE_ ## THINGY, \ + .read = koneplus_sysfs_read_ ## thingy, \ + .write = koneplus_sysfs_write_ ## thingy \ +} + +#define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \ +KONEPLUS_SYSFS_R(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0440 }, \ + .size = KONEPLUS_SIZE_ ## THINGY, \ + .read = koneplus_sysfs_read_ ## thingy, \ +} + +#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \ +KONEPLUS_SYSFS_W(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0220 }, \ + .size = KONEPLUS_SIZE_ ## THINGY, \ + .write = koneplus_sysfs_write_ ## thingy \ +} +KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL); +KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK); +KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO); +KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE); +KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO); +KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR); +KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU); +KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); +KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); + +static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + ssize_t retval; + + retval = koneplus_send_control(usb_dev, *(uint *)(attr->private), + KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); + if (retval) + return retval; + + return koneplus_sysfs_read(fp, kobj, buf, off, count, + KONEPLUS_SIZE_PROFILE_SETTINGS, + KONEPLUS_COMMAND_PROFILE_SETTINGS); +} + +static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + ssize_t retval; + + retval = koneplus_send_control(usb_dev, *(uint *)(attr->private), + KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); + if (retval) + return retval; + + return koneplus_sysfs_read(fp, kobj, buf, off, count, + KONEPLUS_SIZE_PROFILE_BUTTONS, + KONEPLUS_COMMAND_PROFILE_BUTTONS); +} + +#define PROFILE_ATTR(number) \ +static struct bin_attribute bin_attr_profile##number##_settings = { \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ + .size = KONEPLUS_SIZE_PROFILE_SETTINGS, \ + .read = koneplus_sysfs_read_profilex_settings, \ + .private = &profile_numbers[number-1], \ +}; \ +static struct bin_attribute bin_attr_profile##number##_buttons = { \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ + .size = KONEPLUS_SIZE_PROFILE_BUTTONS, \ + .read = koneplus_sysfs_read_profilex_buttons, \ + .private = &profile_numbers[number-1], \ +}; +PROFILE_ATTR(1); +PROFILE_ATTR(2); +PROFILE_ATTR(3); +PROFILE_ATTR(4); +PROFILE_ATTR(5); + +static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct koneplus_device *koneplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile); +} + +static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct koneplus_device *koneplus; + struct usb_device *usb_dev; + unsigned long profile; + int retval; + struct koneplus_roccat_report roccat_report; + + dev = dev->parent->parent; + koneplus = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + retval = kstrtoul(buf, 10, &profile); + if (retval) + return retval; + + if (profile > 4) + return -EINVAL; + + mutex_lock(&koneplus->koneplus_lock); + + retval = koneplus_set_actual_profile(usb_dev, profile); + if (retval) { + mutex_unlock(&koneplus->koneplus_lock); + return retval; + } + + koneplus_profile_activated(koneplus, profile); + + roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE; + roccat_report.data1 = profile + 1; + roccat_report.data2 = 0; + roccat_report.profile = profile + 1; + roccat_report_event(koneplus->chrdev_minor, + (uint8_t const *)&roccat_report); + + mutex_unlock(&koneplus->koneplus_lock); + + return size; +} +static DEVICE_ATTR(actual_profile, 0660, + koneplus_sysfs_show_actual_profile, + koneplus_sysfs_set_actual_profile); +static DEVICE_ATTR(startup_profile, 0660, + koneplus_sysfs_show_actual_profile, + koneplus_sysfs_set_actual_profile); + +static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct koneplus_device *koneplus; + struct usb_device *usb_dev; + struct koneplus_info info; + + dev = dev->parent->parent; + koneplus = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + mutex_lock(&koneplus->koneplus_lock); + roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO, + &info, KONEPLUS_SIZE_INFO); + mutex_unlock(&koneplus->koneplus_lock); + + return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); +} +static DEVICE_ATTR(firmware_version, 0440, + koneplus_sysfs_show_firmware_version, NULL); + +static struct attribute *koneplus_attrs[] = { + &dev_attr_actual_profile.attr, + &dev_attr_startup_profile.attr, + &dev_attr_firmware_version.attr, + NULL, +}; + +static struct bin_attribute *koneplus_bin_attributes[] = { + &bin_attr_control, + &bin_attr_talk, + &bin_attr_macro, + &bin_attr_tcu_image, + &bin_attr_info, + &bin_attr_sensor, + &bin_attr_tcu, + &bin_attr_profile_settings, + &bin_attr_profile_buttons, + &bin_attr_profile1_settings, + &bin_attr_profile2_settings, + &bin_attr_profile3_settings, + &bin_attr_profile4_settings, + &bin_attr_profile5_settings, + &bin_attr_profile1_buttons, + &bin_attr_profile2_buttons, + &bin_attr_profile3_buttons, + &bin_attr_profile4_buttons, + &bin_attr_profile5_buttons, + NULL, +}; + +static const struct attribute_group koneplus_group = { + .attrs = koneplus_attrs, + .bin_attrs = koneplus_bin_attributes, +}; + +static const struct attribute_group *koneplus_groups[] = { + &koneplus_group, + NULL, +}; + +static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev, + struct koneplus_device *koneplus) +{ + int retval; + + mutex_init(&koneplus->koneplus_lock); + + retval = koneplus_get_actual_profile(usb_dev); + if (retval < 0) + return retval; + koneplus_profile_activated(koneplus, retval); + + return 0; +} + +static int koneplus_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct koneplus_device *koneplus; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + + koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL); + if (!koneplus) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, koneplus); + + retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus); + if (retval) { + hid_err(hdev, "couldn't init struct koneplus_device\n"); + goto exit_free; + } + + retval = roccat_connect(koneplus_class, hdev, + sizeof(struct koneplus_roccat_report)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + koneplus->chrdev_minor = retval; + koneplus->roccat_claimed = 1; + } + } else { + hid_set_drvdata(hdev, NULL); + } + + return 0; +exit_free: + kfree(koneplus); + return retval; +} + +static void koneplus_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct koneplus_device *koneplus; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + koneplus = hid_get_drvdata(hdev); + if (koneplus->roccat_claimed) + roccat_disconnect(koneplus->chrdev_minor); + kfree(koneplus); + } +} + +static int koneplus_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = koneplus_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void koneplus_remove(struct hid_device *hdev) +{ + koneplus_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus, + u8 const *data) +{ + struct koneplus_mouse_report_button const *button_report; + + switch (data[0]) { + case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON: + button_report = (struct koneplus_mouse_report_button const *)data; + switch (button_report->type) { + case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE: + koneplus_profile_activated(koneplus, button_report->data1 - 1); + break; + } + break; + } +} + +static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus, + u8 const *data) +{ + struct koneplus_roccat_report roccat_report; + struct koneplus_mouse_report_button const *button_report; + + if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON) + return; + + button_report = (struct koneplus_mouse_report_button const *)data; + + if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || + button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) && + button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS) + return; + + roccat_report.type = button_report->type; + roccat_report.data1 = button_report->data1; + roccat_report.data2 = button_report->data2; + roccat_report.profile = koneplus->actual_profile + 1; + roccat_report_event(koneplus->chrdev_minor, + (uint8_t const *)&roccat_report); +} + +static int koneplus_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct koneplus_device *koneplus = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return 0; + + if (koneplus == NULL) + return 0; + + koneplus_keep_values_up_to_date(koneplus, data); + + if (koneplus->roccat_claimed) + koneplus_report_to_chrdev(koneplus, data); + + return 0; +} + +static const struct hid_device_id koneplus_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, koneplus_devices); + +static struct hid_driver koneplus_driver = { + .name = "koneplus", + .id_table = koneplus_devices, + .probe = koneplus_probe, + .remove = koneplus_remove, + .raw_event = koneplus_raw_event +}; + +static int __init koneplus_init(void) +{ + int retval; + + /* class name has to be same as driver name */ + koneplus_class = class_create(THIS_MODULE, "koneplus"); + if (IS_ERR(koneplus_class)) + return PTR_ERR(koneplus_class); + koneplus_class->dev_groups = koneplus_groups; + + retval = hid_register_driver(&koneplus_driver); + if (retval) + class_destroy(koneplus_class); + return retval; +} + +static void __exit koneplus_exit(void) +{ + hid_unregister_driver(&koneplus_driver); + class_destroy(koneplus_class); +} + +module_init(koneplus_init); +module_exit(koneplus_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-koneplus.h b/drivers/hid/hid-roccat-koneplus.h new file mode 100644 index 00000000000..af7f57e8cf3 --- /dev/null +++ b/drivers/hid/hid-roccat-koneplus.h @@ -0,0 +1,125 @@ +#ifndef __HID_ROCCAT_KONEPLUS_H +#define __HID_ROCCAT_KONEPLUS_H + +/* + * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> + +enum { + KONEPLUS_SIZE_ACTUAL_PROFILE = 0x03, + KONEPLUS_SIZE_CONTROL = 0x03, + KONEPLUS_SIZE_FIRMWARE_WRITE = 0x0402, + KONEPLUS_SIZE_INFO = 0x06, + KONEPLUS_SIZE_MACRO = 0x0822, + KONEPLUS_SIZE_PROFILE_SETTINGS = 0x2b, + KONEPLUS_SIZE_PROFILE_BUTTONS = 0x4d, + KONEPLUS_SIZE_SENSOR = 0x06, + KONEPLUS_SIZE_TALK = 0x10, + KONEPLUS_SIZE_TCU = 0x04, + KONEPLUS_SIZE_TCU_IMAGE = 0x0404, +}; + +enum koneplus_control_requests { + KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS = 0x80, + KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS = 0x90, +}; + +struct koneplus_actual_profile { + uint8_t command; /* KONEPLUS_COMMAND_ACTUAL_PROFILE */ + uint8_t size; /* always 3 */ + uint8_t actual_profile; /* Range 0-4! */ +} __attribute__ ((__packed__)); + +struct koneplus_info { + uint8_t command; /* KONEPLUS_COMMAND_INFO */ + uint8_t size; /* always 6 */ + uint8_t firmware_version; + uint8_t unknown[3]; +} __attribute__ ((__packed__)); + +enum koneplus_commands { + KONEPLUS_COMMAND_ACTUAL_PROFILE = 0x5, + KONEPLUS_COMMAND_CONTROL = 0x4, + KONEPLUS_COMMAND_PROFILE_SETTINGS = 0x6, + KONEPLUS_COMMAND_PROFILE_BUTTONS = 0x7, + KONEPLUS_COMMAND_MACRO = 0x8, + KONEPLUS_COMMAND_INFO = 0x9, + KONEPLUS_COMMAND_TCU = 0xc, + KONEPLUS_COMMAND_TCU_IMAGE = 0xc, + KONEPLUS_COMMAND_E = 0xe, + KONEPLUS_COMMAND_SENSOR = 0xf, + KONEPLUS_COMMAND_TALK = 0x10, + KONEPLUS_COMMAND_FIRMWARE_WRITE = 0x1b, + KONEPLUS_COMMAND_FIRMWARE_WRITE_CONTROL = 0x1c, +}; + +enum koneplus_mouse_report_numbers { + KONEPLUS_MOUSE_REPORT_NUMBER_HID = 1, + KONEPLUS_MOUSE_REPORT_NUMBER_AUDIO = 2, + KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON = 3, +}; + +struct koneplus_mouse_report_button { + uint8_t report_number; /* always KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON */ + uint8_t zero1; + uint8_t type; + uint8_t data1; + uint8_t data2; + uint8_t zero2; + uint8_t unknown[2]; +} __attribute__ ((__packed__)); + +enum koneplus_mouse_report_button_types { + /* data1 = new profile range 1-5 */ + KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE = 0x20, + + /* data1 = button number range 1-24; data2 = action */ + KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH = 0x60, + + /* data1 = button number range 1-24; data2 = action */ + KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER = 0x80, + + /* data1 = setting number range 1-5 */ + KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI = 0xb0, + + /* data1 and data2 = range 0x1-0xb */ + KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY = 0xc0, + + /* data1 = 22 = next track... + * data2 = action + */ + KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_MULTIMEDIA = 0xf0, + KONEPLUS_MOUSE_REPORT_TALK = 0xff, +}; + +enum koneplus_mouse_report_button_action { + KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS = 0, + KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_RELEASE = 1, +}; + +struct koneplus_roccat_report { + uint8_t type; + uint8_t data1; + uint8_t data2; + uint8_t profile; +} __attribute__ ((__packed__)); + +struct koneplus_device { + int actual_profile; + + int roccat_claimed; + int chrdev_minor; + + struct mutex koneplus_lock; +}; + +#endif diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c new file mode 100644 index 00000000000..07de2f9014c --- /dev/null +++ b/drivers/hid/hid-roccat-konepure.c @@ -0,0 +1,232 @@ +/* + * Roccat KonePure driver for Linux + * + * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat KonePure is a smaller version of KoneXTD with less buttons and lights. + */ + +#include <linux/types.h> +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" + +enum { + KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3, +}; + +struct konepure_mouse_report_button { + uint8_t report_number; /* always KONEPURE_MOUSE_REPORT_NUMBER_BUTTON */ + uint8_t zero; + uint8_t type; + uint8_t data1; + uint8_t data2; + uint8_t zero2; + uint8_t unknown[2]; +} __packed; + +static struct class *konepure_class; + +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b); +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04); +ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06); +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10); + +static struct bin_attribute *konepure_bin_attrs[] = { + &bin_attr_actual_profile, + &bin_attr_control, + &bin_attr_info, + &bin_attr_talk, + &bin_attr_macro, + &bin_attr_sensor, + &bin_attr_tcu, + &bin_attr_tcu_image, + &bin_attr_profile_settings, + &bin_attr_profile_buttons, + NULL, +}; + +static const struct attribute_group konepure_group = { + .bin_attrs = konepure_bin_attrs, +}; + +static const struct attribute_group *konepure_groups[] = { + &konepure_group, + NULL, +}; + +static int konepure_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct roccat_common2_device *konepure; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) { + hid_set_drvdata(hdev, NULL); + return 0; + } + + konepure = kzalloc(sizeof(*konepure), GFP_KERNEL); + if (!konepure) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, konepure); + + retval = roccat_common2_device_init_struct(usb_dev, konepure); + if (retval) { + hid_err(hdev, "couldn't init KonePure device\n"); + goto exit_free; + } + + retval = roccat_connect(konepure_class, hdev, + sizeof(struct konepure_mouse_report_button)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + konepure->chrdev_minor = retval; + konepure->roccat_claimed = 1; + } + + return 0; +exit_free: + kfree(konepure); + return retval; +} + +static void konepure_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct roccat_common2_device *konepure; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return; + + konepure = hid_get_drvdata(hdev); + if (konepure->roccat_claimed) + roccat_disconnect(konepure->chrdev_minor); + kfree(konepure); +} + +static int konepure_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = konepure_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void konepure_remove(struct hid_device *hdev) +{ + konepure_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static int konepure_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct roccat_common2_device *konepure = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return 0; + + if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON) + return 0; + + if (konepure != NULL && konepure->roccat_claimed) + roccat_report_event(konepure->chrdev_minor, data); + + return 0; +} + +static const struct hid_device_id konepure_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, konepure_devices); + +static struct hid_driver konepure_driver = { + .name = "konepure", + .id_table = konepure_devices, + .probe = konepure_probe, + .remove = konepure_remove, + .raw_event = konepure_raw_event +}; + +static int __init konepure_init(void) +{ + int retval; + + konepure_class = class_create(THIS_MODULE, "konepure"); + if (IS_ERR(konepure_class)) + return PTR_ERR(konepure_class); + konepure_class->dev_groups = konepure_groups; + + retval = hid_register_driver(&konepure_driver); + if (retval) + class_destroy(konepure_class); + return retval; +} + +static void __exit konepure_exit(void) +{ + hid_unregister_driver(&konepure_driver); + class_destroy(konepure_class); +} + +module_init(konepure_init); +module_exit(konepure_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c new file mode 100644 index 00000000000..966047711fb --- /dev/null +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -0,0 +1,665 @@ +/* + * Roccat Kova[+] driver for Linux + * + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Kova[+] is a bigger version of the Pyra with two more side buttons. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" +#include "hid-roccat-kovaplus.h" + +static uint profile_numbers[5] = {0, 1, 2, 3, 4}; + +static struct class *kovaplus_class; + +static uint kovaplus_convert_event_cpi(uint value) +{ + return (value == 7 ? 4 : (value == 4 ? 3 : value)); +} + +static void kovaplus_profile_activated(struct kovaplus_device *kovaplus, + uint new_profile_index) +{ + kovaplus->actual_profile = new_profile_index; + kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level; + kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x; + kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y; +} + +static int kovaplus_send_control(struct usb_device *usb_dev, uint value, + enum kovaplus_control_requests request) +{ + int retval; + struct roccat_common2_control control; + + if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || + request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) && + value > 4) + return -EINVAL; + + control.command = ROCCAT_COMMON_COMMAND_CONTROL; + control.value = value; + control.request = request; + + retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, + &control, sizeof(struct roccat_common2_control)); + + return retval; +} + +static int kovaplus_select_profile(struct usb_device *usb_dev, uint number, + enum kovaplus_control_requests request) +{ + return kovaplus_send_control(usb_dev, number, request); +} + +static int kovaplus_get_profile_settings(struct usb_device *usb_dev, + struct kovaplus_profile_settings *buf, uint number) +{ + int retval; + + retval = kovaplus_select_profile(usb_dev, number, + KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); + if (retval) + return retval; + + return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS, + buf, KOVAPLUS_SIZE_PROFILE_SETTINGS); +} + +static int kovaplus_get_profile_buttons(struct usb_device *usb_dev, + struct kovaplus_profile_buttons *buf, int number) +{ + int retval; + + retval = kovaplus_select_profile(usb_dev, number, + KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); + if (retval) + return retval; + + return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS, + buf, KOVAPLUS_SIZE_PROFILE_BUTTONS); +} + +/* retval is 0-4 on success, < 0 on error */ +static int kovaplus_get_actual_profile(struct usb_device *usb_dev) +{ + struct kovaplus_actual_profile buf; + int retval; + + retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE, + &buf, sizeof(struct kovaplus_actual_profile)); + + return retval ? retval : buf.actual_profile; +} + +static int kovaplus_set_actual_profile(struct usb_device *usb_dev, + int new_profile) +{ + struct kovaplus_actual_profile buf; + + buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE; + buf.size = sizeof(struct kovaplus_actual_profile); + buf.actual_profile = new_profile; + + return roccat_common2_send_with_status(usb_dev, + KOVAPLUS_COMMAND_ACTUAL_PROFILE, + &buf, sizeof(struct kovaplus_actual_profile)); +} + +static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off >= real_size) + return 0; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&kovaplus->kovaplus_lock); + retval = roccat_common2_receive(usb_dev, command, buf, real_size); + mutex_unlock(&kovaplus->kovaplus_lock); + + if (retval) + return retval; + + return real_size; +} + +static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&kovaplus->kovaplus_lock); + retval = roccat_common2_send_with_status(usb_dev, command, + buf, real_size); + mutex_unlock(&kovaplus->kovaplus_lock); + + if (retval) + return retval; + + return real_size; +} + +#define KOVAPLUS_SYSFS_W(thingy, THINGY) \ +static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return kovaplus_sysfs_write(fp, kobj, buf, off, count, \ + KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ +} + +#define KOVAPLUS_SYSFS_R(thingy, THINGY) \ +static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return kovaplus_sysfs_read(fp, kobj, buf, off, count, \ + KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ +} + +#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \ +KOVAPLUS_SYSFS_W(thingy, THINGY) \ +KOVAPLUS_SYSFS_R(thingy, THINGY) + +#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \ +KOVAPLUS_SYSFS_RW(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0660 }, \ + .size = KOVAPLUS_SIZE_ ## THINGY, \ + .read = kovaplus_sysfs_read_ ## thingy, \ + .write = kovaplus_sysfs_write_ ## thingy \ +} + +#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \ +KOVAPLUS_SYSFS_W(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0220 }, \ + .size = KOVAPLUS_SIZE_ ## THINGY, \ + .write = kovaplus_sysfs_write_ ## thingy \ +} +KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL); +KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO); +KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); +KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); + +static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + ssize_t retval; + + retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), + KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); + if (retval) + return retval; + + return kovaplus_sysfs_read(fp, kobj, buf, off, count, + KOVAPLUS_SIZE_PROFILE_SETTINGS, + KOVAPLUS_COMMAND_PROFILE_SETTINGS); +} + +static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + ssize_t retval; + + retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), + KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); + if (retval) + return retval; + + return kovaplus_sysfs_read(fp, kobj, buf, off, count, + KOVAPLUS_SIZE_PROFILE_BUTTONS, + KOVAPLUS_COMMAND_PROFILE_BUTTONS); +} + +#define PROFILE_ATTR(number) \ +static struct bin_attribute bin_attr_profile##number##_settings = { \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ + .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ + .read = kovaplus_sysfs_read_profilex_settings, \ + .private = &profile_numbers[number-1], \ +}; \ +static struct bin_attribute bin_attr_profile##number##_buttons = { \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ + .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ + .read = kovaplus_sysfs_read_profilex_buttons, \ + .private = &profile_numbers[number-1], \ +}; +PROFILE_ATTR(1); +PROFILE_ATTR(2); +PROFILE_ATTR(3); +PROFILE_ATTR(4); +PROFILE_ATTR(5); + +static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); +} + +static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct kovaplus_device *kovaplus; + struct usb_device *usb_dev; + unsigned long profile; + int retval; + struct kovaplus_roccat_report roccat_report; + + dev = dev->parent->parent; + kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + retval = kstrtoul(buf, 10, &profile); + if (retval) + return retval; + + if (profile >= 5) + return -EINVAL; + + mutex_lock(&kovaplus->kovaplus_lock); + retval = kovaplus_set_actual_profile(usb_dev, profile); + if (retval) { + mutex_unlock(&kovaplus->kovaplus_lock); + return retval; + } + + kovaplus_profile_activated(kovaplus, profile); + + roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1; + roccat_report.profile = profile + 1; + roccat_report.button = 0; + roccat_report.data1 = profile + 1; + roccat_report.data2 = 0; + roccat_report_event(kovaplus->chrdev_minor, + (uint8_t const *)&roccat_report); + + mutex_unlock(&kovaplus->kovaplus_lock); + + return size; +} +static DEVICE_ATTR(actual_profile, 0660, + kovaplus_sysfs_show_actual_profile, + kovaplus_sysfs_set_actual_profile); + +static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi); +} +static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL); + +static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); +} +static DEVICE_ATTR(actual_sensitivity_x, 0440, + kovaplus_sysfs_show_actual_sensitivity_x, NULL); + +static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); +} +static DEVICE_ATTR(actual_sensitivity_y, 0440, + kovaplus_sysfs_show_actual_sensitivity_y, NULL); + +static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus; + struct usb_device *usb_dev; + struct kovaplus_info info; + + dev = dev->parent->parent; + kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + mutex_lock(&kovaplus->kovaplus_lock); + roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO, + &info, KOVAPLUS_SIZE_INFO); + mutex_unlock(&kovaplus->kovaplus_lock); + + return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); +} +static DEVICE_ATTR(firmware_version, 0440, + kovaplus_sysfs_show_firmware_version, NULL); + +static struct attribute *kovaplus_attrs[] = { + &dev_attr_actual_cpi.attr, + &dev_attr_firmware_version.attr, + &dev_attr_actual_profile.attr, + &dev_attr_actual_sensitivity_x.attr, + &dev_attr_actual_sensitivity_y.attr, + NULL, +}; + +static struct bin_attribute *kovaplus_bin_attributes[] = { + &bin_attr_control, + &bin_attr_info, + &bin_attr_profile_settings, + &bin_attr_profile_buttons, + &bin_attr_profile1_settings, + &bin_attr_profile2_settings, + &bin_attr_profile3_settings, + &bin_attr_profile4_settings, + &bin_attr_profile5_settings, + &bin_attr_profile1_buttons, + &bin_attr_profile2_buttons, + &bin_attr_profile3_buttons, + &bin_attr_profile4_buttons, + &bin_attr_profile5_buttons, + NULL, +}; + +static const struct attribute_group kovaplus_group = { + .attrs = kovaplus_attrs, + .bin_attrs = kovaplus_bin_attributes, +}; + +static const struct attribute_group *kovaplus_groups[] = { + &kovaplus_group, + NULL, +}; + +static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, + struct kovaplus_device *kovaplus) +{ + int retval, i; + static uint wait = 70; /* device will freeze with just 60 */ + + mutex_init(&kovaplus->kovaplus_lock); + + for (i = 0; i < 5; ++i) { + msleep(wait); + retval = kovaplus_get_profile_settings(usb_dev, + &kovaplus->profile_settings[i], i); + if (retval) + return retval; + + msleep(wait); + retval = kovaplus_get_profile_buttons(usb_dev, + &kovaplus->profile_buttons[i], i); + if (retval) + return retval; + } + + msleep(wait); + retval = kovaplus_get_actual_profile(usb_dev); + if (retval < 0) + return retval; + kovaplus_profile_activated(kovaplus, retval); + + return 0; +} + +static int kovaplus_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct kovaplus_device *kovaplus; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + + kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); + if (!kovaplus) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, kovaplus); + + retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); + if (retval) { + hid_err(hdev, "couldn't init struct kovaplus_device\n"); + goto exit_free; + } + + retval = roccat_connect(kovaplus_class, hdev, + sizeof(struct kovaplus_roccat_report)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + kovaplus->chrdev_minor = retval; + kovaplus->roccat_claimed = 1; + } + + } else { + hid_set_drvdata(hdev, NULL); + } + + return 0; +exit_free: + kfree(kovaplus); + return retval; +} + +static void kovaplus_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct kovaplus_device *kovaplus; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + kovaplus = hid_get_drvdata(hdev); + if (kovaplus->roccat_claimed) + roccat_disconnect(kovaplus->chrdev_minor); + kfree(kovaplus); + } +} + +static int kovaplus_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = kovaplus_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void kovaplus_remove(struct hid_device *hdev) +{ + kovaplus_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus, + u8 const *data) +{ + struct kovaplus_mouse_report_button const *button_report; + + if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) + return; + + button_report = (struct kovaplus_mouse_report_button const *)data; + + switch (button_report->type) { + case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1: + kovaplus_profile_activated(kovaplus, button_report->data1 - 1); + break; + case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI: + kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1); + break; + case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY: + kovaplus->actual_x_sensitivity = button_report->data1; + kovaplus->actual_y_sensitivity = button_report->data2; + break; + default: + break; + } +} + +static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus, + u8 const *data) +{ + struct kovaplus_roccat_report roccat_report; + struct kovaplus_mouse_report_button const *button_report; + + if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) + return; + + button_report = (struct kovaplus_mouse_report_button const *)data; + + if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2) + return; + + roccat_report.type = button_report->type; + roccat_report.profile = kovaplus->actual_profile + 1; + + if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO || + roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT || + roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || + roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) + roccat_report.button = button_report->data1; + else + roccat_report.button = 0; + + if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI) + roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1); + else + roccat_report.data1 = button_report->data1; + + roccat_report.data2 = button_report->data2; + + roccat_report_event(kovaplus->chrdev_minor, + (uint8_t const *)&roccat_report); +} + +static int kovaplus_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct kovaplus_device *kovaplus = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return 0; + + if (kovaplus == NULL) + return 0; + + kovaplus_keep_values_up_to_date(kovaplus, data); + + if (kovaplus->roccat_claimed) + kovaplus_report_to_chrdev(kovaplus, data); + + return 0; +} + +static const struct hid_device_id kovaplus_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, kovaplus_devices); + +static struct hid_driver kovaplus_driver = { + .name = "kovaplus", + .id_table = kovaplus_devices, + .probe = kovaplus_probe, + .remove = kovaplus_remove, + .raw_event = kovaplus_raw_event +}; + +static int __init kovaplus_init(void) +{ + int retval; + + kovaplus_class = class_create(THIS_MODULE, "kovaplus"); + if (IS_ERR(kovaplus_class)) + return PTR_ERR(kovaplus_class); + kovaplus_class->dev_groups = kovaplus_groups; + + retval = hid_register_driver(&kovaplus_driver); + if (retval) + class_destroy(kovaplus_class); + return retval; +} + +static void __exit kovaplus_exit(void) +{ + hid_unregister_driver(&kovaplus_driver); + class_destroy(kovaplus_class); +} + +module_init(kovaplus_init); +module_exit(kovaplus_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Kova[+] driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-kovaplus.h b/drivers/hid/hid-roccat-kovaplus.h new file mode 100644 index 00000000000..fbb7a16a7e5 --- /dev/null +++ b/drivers/hid/hid-roccat-kovaplus.h @@ -0,0 +1,133 @@ +#ifndef __HID_ROCCAT_KOVAPLUS_H +#define __HID_ROCCAT_KOVAPLUS_H + +/* + * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> + +enum { + KOVAPLUS_SIZE_CONTROL = 0x03, + KOVAPLUS_SIZE_INFO = 0x06, + KOVAPLUS_SIZE_PROFILE_SETTINGS = 0x10, + KOVAPLUS_SIZE_PROFILE_BUTTONS = 0x17, +}; + +enum kovaplus_control_requests { + /* write; value = profile number range 0-4 */ + KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS = 0x10, + /* write; value = profile number range 0-4 */ + KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS = 0x20, +}; + +struct kovaplus_actual_profile { + uint8_t command; /* KOVAPLUS_COMMAND_ACTUAL_PROFILE */ + uint8_t size; /* always 3 */ + uint8_t actual_profile; /* Range 0-4! */ +} __packed; + +struct kovaplus_profile_settings { + uint8_t command; /* KOVAPLUS_COMMAND_PROFILE_SETTINGS */ + uint8_t size; /* 16 */ + uint8_t profile_index; /* range 0-4 */ + uint8_t unknown1; + uint8_t sensitivity_x; /* range 1-10 */ + uint8_t sensitivity_y; /* range 1-10 */ + uint8_t cpi_levels_enabled; + uint8_t cpi_startup_level; /* range 1-4 */ + uint8_t data[8]; +} __packed; + +struct kovaplus_profile_buttons { + uint8_t command; /* KOVAPLUS_COMMAND_PROFILE_BUTTONS */ + uint8_t size; /* 23 */ + uint8_t profile_index; /* range 0-4 */ + uint8_t data[20]; +} __packed; + +struct kovaplus_info { + uint8_t command; /* KOVAPLUS_COMMAND_INFO */ + uint8_t size; /* 6 */ + uint8_t firmware_version; + uint8_t unknown[3]; +} __packed; + +enum kovaplus_commands { + KOVAPLUS_COMMAND_ACTUAL_PROFILE = 0x5, + KOVAPLUS_COMMAND_CONTROL = 0x4, + KOVAPLUS_COMMAND_PROFILE_SETTINGS = 0x6, + KOVAPLUS_COMMAND_PROFILE_BUTTONS = 0x7, + KOVAPLUS_COMMAND_INFO = 0x9, + KOVAPLUS_COMMAND_A = 0xa, +}; + +enum kovaplus_mouse_report_numbers { + KOVAPLUS_MOUSE_REPORT_NUMBER_MOUSE = 1, + KOVAPLUS_MOUSE_REPORT_NUMBER_AUDIO = 2, + KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON = 3, + KOVAPLUS_MOUSE_REPORT_NUMBER_KBD = 4, +}; + +struct kovaplus_mouse_report_button { + uint8_t report_number; /* KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON */ + uint8_t unknown1; + uint8_t type; + uint8_t data1; + uint8_t data2; +} __packed; + +enum kovaplus_mouse_report_button_types { + /* data1 = profile_number range 1-5; no release event */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1 = 0x20, + /* data1 = profile_number range 1-5; no release event */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2 = 0x30, + /* data1 = button_number range 1-18; data2 = action */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO = 0x40, + /* data1 = button_number range 1-18; data2 = action */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT = 0x50, + /* data1 = button_number range 1-18; data2 = action */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH = 0x60, + /* data1 = button_number range 1-18; data2 = action */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER = 0x80, + /* data1 = 1 = 400, 2 = 800, 4 = 1600, 7 = 3200; no release event */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI = 0xb0, + /* data1 + data2 = sense range 1-10; no release event */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY = 0xc0, + /* data1 = type as in profile_buttons; data2 = action */ + KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MULTIMEDIA = 0xf0, +}; + +enum kovaplus_mouse_report_button_actions { + KOVAPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS = 0, + KOVAPLUS_MOUSE_REPORT_BUTTON_ACTION_RELEASE = 1, +}; + +struct kovaplus_roccat_report { + uint8_t type; + uint8_t profile; + uint8_t button; + uint8_t data1; + uint8_t data2; +} __packed; + +struct kovaplus_device { + int actual_profile; + int actual_cpi; + int actual_x_sensitivity; + int actual_y_sensitivity; + int roccat_claimed; + int chrdev_minor; + struct mutex kovaplus_lock; + struct kovaplus_profile_settings profile_settings[5]; + struct kovaplus_profile_buttons profile_buttons[5]; +}; + +#endif diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c new file mode 100644 index 00000000000..6adc0fa08d9 --- /dev/null +++ b/drivers/hid/hid-roccat-lua.c @@ -0,0 +1,215 @@ +/* + * Roccat Lua driver for Linux + * + * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Lua is a gamer mouse which cpi, button and light settings can be + * configured. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" +#include "hid-roccat-lua.h" + +static ssize_t lua_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off >= real_size) + return 0; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&lua->lua_lock); + retval = roccat_common2_receive(usb_dev, command, buf, real_size); + mutex_unlock(&lua->lua_lock); + + return retval ? retval : real_size; +} + +static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; + + if (off != 0 || count != real_size) + return -EINVAL; + + mutex_lock(&lua->lua_lock); + retval = roccat_common2_send(usb_dev, command, (void *)buf, real_size); + mutex_unlock(&lua->lua_lock); + + return retval ? retval : real_size; +} + +#define LUA_SYSFS_W(thingy, THINGY) \ +static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, \ + char *buf, loff_t off, size_t count) \ +{ \ + return lua_sysfs_write(fp, kobj, buf, off, count, \ + LUA_SIZE_ ## THINGY, LUA_COMMAND_ ## THINGY); \ +} + +#define LUA_SYSFS_R(thingy, THINGY) \ +static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, \ + char *buf, loff_t off, size_t count) \ +{ \ + return lua_sysfs_read(fp, kobj, buf, off, count, \ + LUA_SIZE_ ## THINGY, LUA_COMMAND_ ## THINGY); \ +} + +#define LUA_BIN_ATTRIBUTE_RW(thingy, THINGY) \ +LUA_SYSFS_W(thingy, THINGY) \ +LUA_SYSFS_R(thingy, THINGY) \ +static struct bin_attribute lua_ ## thingy ## _attr = { \ + .attr = { .name = #thingy, .mode = 0660 }, \ + .size = LUA_SIZE_ ## THINGY, \ + .read = lua_sysfs_read_ ## thingy, \ + .write = lua_sysfs_write_ ## thingy \ +}; + +LUA_BIN_ATTRIBUTE_RW(control, CONTROL) + +static int lua_create_sysfs_attributes(struct usb_interface *intf) +{ + return sysfs_create_bin_file(&intf->dev.kobj, &lua_control_attr); +} + +static void lua_remove_sysfs_attributes(struct usb_interface *intf) +{ + sysfs_remove_bin_file(&intf->dev.kobj, &lua_control_attr); +} + +static int lua_init_lua_device_struct(struct usb_device *usb_dev, + struct lua_device *lua) +{ + mutex_init(&lua->lua_lock); + + return 0; +} + +static int lua_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct lua_device *lua; + int retval; + + lua = kzalloc(sizeof(*lua), GFP_KERNEL); + if (!lua) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, lua); + + retval = lua_init_lua_device_struct(usb_dev, lua); + if (retval) { + hid_err(hdev, "couldn't init struct lua_device\n"); + goto exit; + } + + retval = lua_create_sysfs_attributes(intf); + if (retval) { + hid_err(hdev, "cannot create sysfs files\n"); + goto exit; + } + + return 0; +exit: + kfree(lua); + return retval; +} + +static void lua_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct lua_device *lua; + + lua_remove_sysfs_attributes(intf); + + lua = hid_get_drvdata(hdev); + kfree(lua); +} + +static int lua_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = lua_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void lua_remove(struct hid_device *hdev) +{ + lua_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static const struct hid_device_id lua_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, lua_devices); + +static struct hid_driver lua_driver = { + .name = "lua", + .id_table = lua_devices, + .probe = lua_probe, + .remove = lua_remove +}; +module_hid_driver(lua_driver); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Lua driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-lua.h b/drivers/hid/hid-roccat-lua.h new file mode 100644 index 00000000000..547d77a375d --- /dev/null +++ b/drivers/hid/hid-roccat-lua.h @@ -0,0 +1,29 @@ +#ifndef __HID_ROCCAT_LUA_H +#define __HID_ROCCAT_LUA_H + +/* + * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> + +enum { + LUA_SIZE_CONTROL = 8, +}; + +enum lua_commands { + LUA_COMMAND_CONTROL = 3, +}; + +struct lua_device { + struct mutex lua_lock; +}; + +#endif diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 9bf23047892..1a07e07d99a 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -20,13 +20,18 @@ #include <linux/device.h> #include <linux/input.h> #include <linux/hid.h> -#include <linux/usb.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/hid-roccat.h> #include "hid-ids.h" -#include "hid-roccat.h" +#include "hid-roccat-common.h" #include "hid-roccat-pyra.h" +static uint profile_numbers[5] = {0, 1, 2, 3, 4}; + +/* pyra_class is used for creating sysfs attributes via roccat char device */ +static struct class *pyra_class; + static void profile_activated(struct pyra_device *pyra, unsigned int new_profile) { @@ -37,707 +42,343 @@ static void profile_activated(struct pyra_device *pyra, static int pyra_send_control(struct usb_device *usb_dev, int value, enum pyra_control_requests request) { - int len; - struct pyra_control control; + struct roccat_common2_control control; if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && (value < 0 || value > 4)) return -EINVAL; - control.command = PYRA_COMMAND_CONTROL; + control.command = ROCCAT_COMMON_COMMAND_CONTROL; control.value = value; control.request = request; - len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), - USB_REQ_SET_CONFIGURATION, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, - sizeof(struct pyra_control), - USB_CTRL_SET_TIMEOUT); - - if (len != sizeof(struct pyra_control)) - return len; - - return 0; -} - -static int pyra_receive_control_status(struct usb_device *usb_dev) -{ - int len; - struct pyra_control control; - - do { - msleep(10); - - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | - USB_DIR_IN, - PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, - sizeof(struct pyra_control), - USB_CTRL_SET_TIMEOUT); - - /* requested too early, try again */ - } while (len == -EPROTO); - - if (len == sizeof(struct pyra_control) && - control.command == PYRA_COMMAND_CONTROL && - control.request == PYRA_CONTROL_REQUEST_STATUS && - control.value == 1) - return 0; - else { - dev_err(&usb_dev->dev, "receive control status: " - "unknown response 0x%x 0x%x\n", - control.request, control.value); - return -EINVAL; - } + return roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, + &control, sizeof(struct roccat_common2_control)); } static int pyra_get_profile_settings(struct usb_device *usb_dev, struct pyra_profile_settings *buf, int number) { int retval; - retval = pyra_send_control(usb_dev, number, PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); - - if (retval) - return retval; - - retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, - sizeof(struct pyra_profile_settings), - USB_CTRL_SET_TIMEOUT); - - if (retval != sizeof(struct pyra_profile_settings)) - return retval; - - return 0; -} - -static int pyra_get_profile_buttons(struct usb_device *usb_dev, - struct pyra_profile_buttons *buf, int number) -{ - int retval; - - retval = pyra_send_control(usb_dev, number, - PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); - if (retval) return retval; - - retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, - sizeof(struct pyra_profile_buttons), - USB_CTRL_SET_TIMEOUT); - - if (retval != sizeof(struct pyra_profile_buttons)) - return retval; - - return 0; + return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS, + buf, PYRA_SIZE_PROFILE_SETTINGS); } static int pyra_get_settings(struct usb_device *usb_dev, struct pyra_settings *buf) { - int len; - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - PYRA_USB_COMMAND_SETTINGS, 0, buf, - sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); - if (len != sizeof(struct pyra_settings)) - return -EIO; - return 0; -} - -static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) -{ - int len; - len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - PYRA_USB_COMMAND_INFO, 0, buf, - sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); - if (len != sizeof(struct pyra_info)) - return -EIO; - return 0; -} - -static int pyra_set_profile_settings(struct usb_device *usb_dev, - struct pyra_profile_settings const *settings) -{ - int len; - len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), - USB_REQ_SET_CONFIGURATION, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, - sizeof(struct pyra_profile_settings), - USB_CTRL_SET_TIMEOUT); - if (len != sizeof(struct pyra_profile_settings)) - return -EIO; - if (pyra_receive_control_status(usb_dev)) - return -EIO; - return 0; -} - -static int pyra_set_profile_buttons(struct usb_device *usb_dev, - struct pyra_profile_buttons const *buttons) -{ - int len; - len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), - USB_REQ_SET_CONFIGURATION, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, - sizeof(struct pyra_profile_buttons), - USB_CTRL_SET_TIMEOUT); - if (len != sizeof(struct pyra_profile_buttons)) - return -EIO; - if (pyra_receive_control_status(usb_dev)) - return -EIO; - return 0; + return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS, + buf, PYRA_SIZE_SETTINGS); } static int pyra_set_settings(struct usb_device *usb_dev, struct pyra_settings const *settings) { - int len; - len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), - USB_REQ_SET_CONFIGURATION, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, - sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); - if (len != sizeof(struct pyra_settings)) - return -EIO; - if (pyra_receive_control_status(usb_dev)) - return -EIO; - return 0; + return roccat_common2_send_with_status(usb_dev, + PYRA_COMMAND_SETTINGS, settings, + PYRA_SIZE_SETTINGS); } -static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count, int number) +static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj, + char *buf, loff_t off, size_t count, + size_t real_size, uint command) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; - if (off >= sizeof(struct pyra_profile_settings)) + if (off >= real_size) return 0; - if (off + count > sizeof(struct pyra_profile_settings)) - count = sizeof(struct pyra_profile_settings) - off; + if (off != 0 || count != real_size) + return -EINVAL; mutex_lock(&pyra->pyra_lock); - memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off, - count); + retval = roccat_common2_receive(usb_dev, command, buf, real_size); mutex_unlock(&pyra->pyra_lock); - return count; -} - -static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_settings(fp, kobj, - attr, buf, off, count, 0); -} - -static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_settings(fp, kobj, - attr, buf, off, count, 1); -} - -static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_settings(fp, kobj, - attr, buf, off, count, 2); -} - -static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_settings(fp, kobj, - attr, buf, off, count, 3); -} + if (retval) + return retval; -static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_settings(fp, kobj, - attr, buf, off, count, 4); + return real_size; } -static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count, int number) +static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj, + void const *buf, loff_t off, size_t count, + size_t real_size, uint command) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval; - if (off >= sizeof(struct pyra_profile_buttons)) - return 0; - - if (off + count > sizeof(struct pyra_profile_buttons)) - count = sizeof(struct pyra_profile_buttons) - off; + if (off != 0 || count != real_size) + return -EINVAL; mutex_lock(&pyra->pyra_lock); - memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off, - count); + retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size); mutex_unlock(&pyra->pyra_lock); - return count; + if (retval) + return retval; + + return real_size; } -static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_buttons(fp, kobj, - attr, buf, off, count, 0); +#define PYRA_SYSFS_W(thingy, THINGY) \ +static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return pyra_sysfs_write(fp, kobj, buf, off, count, \ + PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \ } -static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_buttons(fp, kobj, - attr, buf, off, count, 1); +#define PYRA_SYSFS_R(thingy, THINGY) \ +static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \ + struct kobject *kobj, struct bin_attribute *attr, char *buf, \ + loff_t off, size_t count) \ +{ \ + return pyra_sysfs_read(fp, kobj, buf, off, count, \ + PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \ } -static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_buttons(fp, kobj, - attr, buf, off, count, 2); +#define PYRA_SYSFS_RW(thingy, THINGY) \ +PYRA_SYSFS_W(thingy, THINGY) \ +PYRA_SYSFS_R(thingy, THINGY) + +#define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \ +PYRA_SYSFS_RW(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0660 }, \ + .size = PYRA_SIZE_ ## THINGY, \ + .read = pyra_sysfs_read_ ## thingy, \ + .write = pyra_sysfs_write_ ## thingy \ } -static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_buttons(fp, kobj, - attr, buf, off, count, 3); +#define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \ +PYRA_SYSFS_R(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0440 }, \ + .size = PYRA_SIZE_ ## THINGY, \ + .read = pyra_sysfs_read_ ## thingy, \ } -static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return pyra_sysfs_read_profilex_buttons(fp, kobj, - attr, buf, off, count, 4); +#define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \ +PYRA_SYSFS_W(thingy, THINGY); \ +static struct bin_attribute bin_attr_##thingy = { \ + .attr = { .name = #thingy, .mode = 0220 }, \ + .size = PYRA_SIZE_ ## THINGY, \ + .write = pyra_sysfs_write_ ## thingy \ } -static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, +PYRA_BIN_ATTRIBUTE_W(control, CONTROL); +PYRA_BIN_ATTRIBUTE_RW(info, INFO); +PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); +PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); + +static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); - int retval = 0; - int difference; - int profile_number; - struct pyra_profile_settings *profile_settings; - - if (off != 0 || count != sizeof(struct pyra_profile_settings)) - return -EINVAL; - - profile_number = ((struct pyra_profile_settings const *)buf)->number; - profile_settings = &pyra->profile_settings[profile_number]; - - mutex_lock(&pyra->pyra_lock); - difference = memcmp(buf, profile_settings, - sizeof(struct pyra_profile_settings)); - if (difference) { - retval = pyra_set_profile_settings(usb_dev, - (struct pyra_profile_settings const *)buf); - if (!retval) - memcpy(profile_settings, buf, - sizeof(struct pyra_profile_settings)); - } - mutex_unlock(&pyra->pyra_lock); + ssize_t retval; + retval = pyra_send_control(usb_dev, *(uint *)(attr->private), + PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); if (retval) return retval; - return sizeof(struct pyra_profile_settings); + return pyra_sysfs_read(fp, kobj, buf, off, count, + PYRA_SIZE_PROFILE_SETTINGS, + PYRA_COMMAND_PROFILE_SETTINGS); } -static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, +static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); - int retval = 0; - int difference; - int profile_number; - struct pyra_profile_buttons *profile_buttons; - - if (off != 0 || count != sizeof(struct pyra_profile_buttons)) - return -EINVAL; - - profile_number = ((struct pyra_profile_buttons const *)buf)->number; - profile_buttons = &pyra->profile_buttons[profile_number]; - - mutex_lock(&pyra->pyra_lock); - difference = memcmp(buf, profile_buttons, - sizeof(struct pyra_profile_buttons)); - if (difference) { - retval = pyra_set_profile_buttons(usb_dev, - (struct pyra_profile_buttons const *)buf); - if (!retval) - memcpy(profile_buttons, buf, - sizeof(struct pyra_profile_buttons)); - } - mutex_unlock(&pyra->pyra_lock); + ssize_t retval; + retval = pyra_send_control(usb_dev, *(uint *)(attr->private), + PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); if (retval) return retval; - return sizeof(struct pyra_profile_buttons); -} - -static ssize_t pyra_sysfs_read_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); - - if (off >= sizeof(struct pyra_settings)) - return 0; - - if (off + count > sizeof(struct pyra_settings)) - count = sizeof(struct pyra_settings) - off; - - mutex_lock(&pyra->pyra_lock); - memcpy(buf, ((char const *)&pyra->settings) + off, count); - mutex_unlock(&pyra->pyra_lock); - - return count; -} + return pyra_sysfs_read(fp, kobj, buf, off, count, + PYRA_SIZE_PROFILE_BUTTONS, + PYRA_COMMAND_PROFILE_BUTTONS); +} + +#define PROFILE_ATTR(number) \ +static struct bin_attribute bin_attr_profile##number##_settings = { \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ + .size = PYRA_SIZE_PROFILE_SETTINGS, \ + .read = pyra_sysfs_read_profilex_settings, \ + .private = &profile_numbers[number-1], \ +}; \ +static struct bin_attribute bin_attr_profile##number##_buttons = { \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ + .size = PYRA_SIZE_PROFILE_BUTTONS, \ + .read = pyra_sysfs_read_profilex_buttons, \ + .private = &profile_numbers[number-1], \ +}; +PROFILE_ATTR(1); +PROFILE_ATTR(2); +PROFILE_ATTR(3); +PROFILE_ATTR(4); +PROFILE_ATTR(5); static ssize_t pyra_sysfs_write_settings(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval = 0; - int difference; + struct pyra_roccat_report roccat_report; + struct pyra_settings const *settings; - if (off != 0 || count != sizeof(struct pyra_settings)) + if (off != 0 || count != PYRA_SIZE_SETTINGS) return -EINVAL; mutex_lock(&pyra->pyra_lock); - difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); - if (difference) { - retval = pyra_set_settings(usb_dev, - (struct pyra_settings const *)buf); - if (!retval) - memcpy(&pyra->settings, buf, - sizeof(struct pyra_settings)); - } - mutex_unlock(&pyra->pyra_lock); - if (retval) + settings = (struct pyra_settings const *)buf; + + retval = pyra_set_settings(usb_dev, settings); + if (retval) { + mutex_unlock(&pyra->pyra_lock); return retval; + } - profile_activated(pyra, pyra->settings.startup_profile); + profile_activated(pyra, settings->startup_profile); - return sizeof(struct pyra_settings); + roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2; + roccat_report.value = settings->startup_profile + 1; + roccat_report.key = 0; + roccat_report_event(pyra->chrdev_minor, + (uint8_t const *)&roccat_report); + + mutex_unlock(&pyra->pyra_lock); + return PYRA_SIZE_SETTINGS; } +PYRA_SYSFS_R(settings, SETTINGS); +static struct bin_attribute bin_attr_settings = + __BIN_ATTR(settings, (S_IWUSR | S_IRUGO), + pyra_sysfs_read_settings, pyra_sysfs_write_settings, + PYRA_SIZE_SETTINGS); static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, struct device_attribute *attr, char *buf) { - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct pyra_device *pyra = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); } +static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, struct device_attribute *attr, char *buf) { - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); - return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); -} + struct pyra_device *pyra = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + struct pyra_settings settings; -static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); - return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); -} + mutex_lock(&pyra->pyra_lock); + roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS, + &settings, PYRA_SIZE_SETTINGS); + mutex_unlock(&pyra->pyra_lock); -static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); - return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); + return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile); } - -static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); - static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); +static DEVICE_ATTR(startup_profile, 0440, pyra_sysfs_show_actual_profile, NULL); -static DEVICE_ATTR(firmware_version, 0440, - pyra_sysfs_show_firmware_version, NULL); - -static DEVICE_ATTR(startup_profile, 0440, - pyra_sysfs_show_startup_profile, NULL); - -static struct attribute *pyra_attributes[] = { - &dev_attr_actual_cpi.attr, - &dev_attr_actual_profile.attr, - &dev_attr_firmware_version.attr, - &dev_attr_startup_profile.attr, - NULL -}; - -static struct attribute_group pyra_attribute_group = { - .attrs = pyra_attributes -}; - -static struct bin_attribute pyra_profile_settings_attr = { - .attr = { .name = "profile_settings", .mode = 0220 }, - .size = sizeof(struct pyra_profile_settings), - .write = pyra_sysfs_write_profile_settings -}; - -static struct bin_attribute pyra_profile1_settings_attr = { - .attr = { .name = "profile1_settings", .mode = 0440 }, - .size = sizeof(struct pyra_profile_settings), - .read = pyra_sysfs_read_profile1_settings -}; - -static struct bin_attribute pyra_profile2_settings_attr = { - .attr = { .name = "profile2_settings", .mode = 0440 }, - .size = sizeof(struct pyra_profile_settings), - .read = pyra_sysfs_read_profile2_settings -}; - -static struct bin_attribute pyra_profile3_settings_attr = { - .attr = { .name = "profile3_settings", .mode = 0440 }, - .size = sizeof(struct pyra_profile_settings), - .read = pyra_sysfs_read_profile3_settings -}; - -static struct bin_attribute pyra_profile4_settings_attr = { - .attr = { .name = "profile4_settings", .mode = 0440 }, - .size = sizeof(struct pyra_profile_settings), - .read = pyra_sysfs_read_profile4_settings -}; - -static struct bin_attribute pyra_profile5_settings_attr = { - .attr = { .name = "profile5_settings", .mode = 0440 }, - .size = sizeof(struct pyra_profile_settings), - .read = pyra_sysfs_read_profile5_settings -}; +static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pyra_device *pyra; + struct usb_device *usb_dev; + struct pyra_info info; -static struct bin_attribute pyra_profile_buttons_attr = { - .attr = { .name = "profile_buttons", .mode = 0220 }, - .size = sizeof(struct pyra_profile_buttons), - .write = pyra_sysfs_write_profile_buttons -}; + dev = dev->parent->parent; + pyra = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); -static struct bin_attribute pyra_profile1_buttons_attr = { - .attr = { .name = "profile1_buttons", .mode = 0440 }, - .size = sizeof(struct pyra_profile_buttons), - .read = pyra_sysfs_read_profile1_buttons -}; + mutex_lock(&pyra->pyra_lock); + roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO, + &info, PYRA_SIZE_INFO); + mutex_unlock(&pyra->pyra_lock); -static struct bin_attribute pyra_profile2_buttons_attr = { - .attr = { .name = "profile2_buttons", .mode = 0440 }, - .size = sizeof(struct pyra_profile_buttons), - .read = pyra_sysfs_read_profile2_buttons -}; + return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); +} +static DEVICE_ATTR(firmware_version, 0440, pyra_sysfs_show_firmware_version, + NULL); -static struct bin_attribute pyra_profile3_buttons_attr = { - .attr = { .name = "profile3_buttons", .mode = 0440 }, - .size = sizeof(struct pyra_profile_buttons), - .read = pyra_sysfs_read_profile3_buttons +static struct attribute *pyra_attrs[] = { + &dev_attr_actual_cpi.attr, + &dev_attr_actual_profile.attr, + &dev_attr_firmware_version.attr, + &dev_attr_startup_profile.attr, + NULL, }; -static struct bin_attribute pyra_profile4_buttons_attr = { - .attr = { .name = "profile4_buttons", .mode = 0440 }, - .size = sizeof(struct pyra_profile_buttons), - .read = pyra_sysfs_read_profile4_buttons +static struct bin_attribute *pyra_bin_attributes[] = { + &bin_attr_control, + &bin_attr_info, + &bin_attr_profile_settings, + &bin_attr_profile_buttons, + &bin_attr_settings, + &bin_attr_profile1_settings, + &bin_attr_profile2_settings, + &bin_attr_profile3_settings, + &bin_attr_profile4_settings, + &bin_attr_profile5_settings, + &bin_attr_profile1_buttons, + &bin_attr_profile2_buttons, + &bin_attr_profile3_buttons, + &bin_attr_profile4_buttons, + &bin_attr_profile5_buttons, + NULL, }; -static struct bin_attribute pyra_profile5_buttons_attr = { - .attr = { .name = "profile5_buttons", .mode = 0440 }, - .size = sizeof(struct pyra_profile_buttons), - .read = pyra_sysfs_read_profile5_buttons +static const struct attribute_group pyra_group = { + .attrs = pyra_attrs, + .bin_attrs = pyra_bin_attributes, }; -static struct bin_attribute pyra_settings_attr = { - .attr = { .name = "settings", .mode = 0660 }, - .size = sizeof(struct pyra_settings), - .read = pyra_sysfs_read_settings, - .write = pyra_sysfs_write_settings +static const struct attribute_group *pyra_groups[] = { + &pyra_group, + NULL, }; -static int pyra_create_sysfs_attributes(struct usb_interface *intf) -{ - int retval; - - retval = sysfs_create_group(&intf->dev.kobj, &pyra_attribute_group); - if (retval) - goto exit_1; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile_settings_attr); - if (retval) - goto exit_2; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile1_settings_attr); - if (retval) - goto exit_3; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile2_settings_attr); - if (retval) - goto exit_4; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile3_settings_attr); - if (retval) - goto exit_5; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile4_settings_attr); - if (retval) - goto exit_6; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile5_settings_attr); - if (retval) - goto exit_7; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile_buttons_attr); - if (retval) - goto exit_8; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile1_buttons_attr); - if (retval) - goto exit_9; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile2_buttons_attr); - if (retval) - goto exit_10; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile3_buttons_attr); - if (retval) - goto exit_11; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile4_buttons_attr); - if (retval) - goto exit_12; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_profile5_buttons_attr); - if (retval) - goto exit_13; - - retval = sysfs_create_bin_file(&intf->dev.kobj, - &pyra_settings_attr); - if (retval) - goto exit_14; - - return 0; - -exit_14: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); -exit_13: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); -exit_12: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); -exit_11: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); -exit_10: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); -exit_9: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); -exit_8: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); -exit_7: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); -exit_6: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); -exit_5: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); -exit_4: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); -exit_3: - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); -exit_2: - sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); -exit_1: - return retval; -} - -static void pyra_remove_sysfs_attributes(struct usb_interface *intf) -{ - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_settings_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); - sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); - sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); -} - static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, struct pyra_device *pyra) { - struct pyra_info *info; + struct pyra_settings settings; int retval, i; mutex_init(&pyra->pyra_lock); - info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); - if (!info) - return -ENOMEM; - retval = pyra_get_info(usb_dev, info); - if (retval) { - kfree(info); - return retval; - } - pyra->firmware_version = info->firmware_version; - kfree(info); - - retval = pyra_get_settings(usb_dev, &pyra->settings); + retval = pyra_get_settings(usb_dev, &settings); if (retval) return retval; @@ -746,14 +387,9 @@ static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, &pyra->profile_settings[i], i); if (retval) return retval; - - retval = pyra_get_profile_buttons(usb_dev, - &pyra->profile_buttons[i], i); - if (retval) - return retval; } - profile_activated(pyra, pyra->settings.startup_profile); + profile_activated(pyra, settings.startup_profile); return 0; } @@ -770,31 +406,25 @@ static int pyra_init_specials(struct hid_device *hdev) pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); if (!pyra) { - dev_err(&hdev->dev, "can't alloc device descriptor\n"); + hid_err(hdev, "can't alloc device descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, pyra); retval = pyra_init_pyra_device_struct(usb_dev, pyra); if (retval) { - dev_err(&hdev->dev, - "couldn't init struct pyra_device\n"); + hid_err(hdev, "couldn't init struct pyra_device\n"); goto exit_free; } - retval = roccat_connect(hdev); + retval = roccat_connect(pyra_class, hdev, + sizeof(struct pyra_roccat_report)); if (retval < 0) { - dev_err(&hdev->dev, "couldn't init char dev\n"); + hid_err(hdev, "couldn't init char dev\n"); } else { pyra->chrdev_minor = retval; pyra->roccat_claimed = 1; } - - retval = pyra_create_sysfs_attributes(intf); - if (retval) { - dev_err(&hdev->dev, "cannot create sysfs files\n"); - goto exit_free; - } } else { hid_set_drvdata(hdev, NULL); } @@ -812,7 +442,6 @@ static void pyra_remove_specials(struct hid_device *hdev) if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) { - pyra_remove_sysfs_attributes(intf); pyra = hid_get_drvdata(hdev); if (pyra->roccat_claimed) roccat_disconnect(pyra->chrdev_minor); @@ -826,19 +455,19 @@ static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) retval = hid_parse(hdev); if (retval) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto exit; } retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (retval) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto exit; } retval = pyra_init_specials(hdev); if (retval) { - dev_err(&hdev->dev, "couldn't install mouse\n"); + hid_err(hdev, "couldn't install mouse\n"); goto exit_stop; } return 0; @@ -893,8 +522,7 @@ static void pyra_report_to_chrdev(struct pyra_device const *pyra, roccat_report.value = button_event->data1; roccat_report.key = 0; roccat_report_event(pyra->chrdev_minor, - (uint8_t const *)&roccat_report, - sizeof(struct pyra_roccat_report)); + (uint8_t const *)&roccat_report); break; case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: @@ -908,8 +536,7 @@ static void pyra_report_to_chrdev(struct pyra_device const *pyra, */ roccat_report.value = pyra->actual_profile + 1; roccat_report_event(pyra->chrdev_minor, - (uint8_t const *)&roccat_report, - sizeof(struct pyra_roccat_report)); + (uint8_t const *)&roccat_report); } break; } @@ -925,6 +552,9 @@ static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, != USB_INTERFACE_PROTOCOL_MOUSE) return 0; + if (pyra == NULL) + return 0; + pyra_keep_values_up_to_date(pyra, data); if (pyra->roccat_claimed) @@ -936,7 +566,8 @@ static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, static const struct hid_device_id pyra_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, - /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, + USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, { } }; @@ -952,12 +583,24 @@ static struct hid_driver pyra_driver = { static int __init pyra_init(void) { - return hid_register_driver(&pyra_driver); + int retval; + + /* class name has to be same as driver name */ + pyra_class = class_create(THIS_MODULE, "pyra"); + if (IS_ERR(pyra_class)) + return PTR_ERR(pyra_class); + pyra_class->dev_groups = pyra_groups; + + retval = hid_register_driver(&pyra_driver); + if (retval) + class_destroy(pyra_class); + return retval; } static void __exit pyra_exit(void) { hid_unregister_driver(&pyra_driver); + class_destroy(pyra_class); } module_init(pyra_init); diff --git a/drivers/hid/hid-roccat-pyra.h b/drivers/hid/hid-roccat-pyra.h index 22f80a8f26f..beedcf001ce 100644 --- a/drivers/hid/hid-roccat-pyra.h +++ b/drivers/hid/hid-roccat-pyra.h @@ -14,27 +14,15 @@ #include <linux/types.h> -#pragma pack(push) -#pragma pack(1) - -struct pyra_b { - uint8_t command; /* PYRA_COMMAND_B */ - uint8_t size; /* always 3 */ - uint8_t unknown; /* 1 */ -}; - -struct pyra_control { - uint8_t command; /* PYRA_COMMAND_CONTROL */ - /* - * value is profile number for request_settings and request_buttons - * 1 if status ok for request_status - */ - uint8_t value; /* Range 0-4 */ - uint8_t request; +enum { + PYRA_SIZE_CONTROL = 0x03, + PYRA_SIZE_INFO = 0x06, + PYRA_SIZE_PROFILE_SETTINGS = 0x0d, + PYRA_SIZE_PROFILE_BUTTONS = 0x13, + PYRA_SIZE_SETTINGS = 0x03, }; enum pyra_control_requests { - PYRA_CONTROL_REQUEST_STATUS = 0x00, PYRA_CONTROL_REQUEST_PROFILE_SETTINGS = 0x10, PYRA_CONTROL_REQUEST_PROFILE_BUTTONS = 0x20 }; @@ -43,7 +31,7 @@ struct pyra_settings { uint8_t command; /* PYRA_COMMAND_SETTINGS */ uint8_t size; /* always 3 */ uint8_t startup_profile; /* Range 0-4! */ -}; +} __attribute__ ((__packed__)); struct pyra_profile_settings { uint8_t command; /* PYRA_COMMAND_PROFILE_SETTINGS */ @@ -58,15 +46,7 @@ struct pyra_profile_settings { uint8_t light_effect; uint8_t handedness; uint16_t checksum; /* byte sum */ -}; - -struct pyra_profile_buttons { - uint8_t command; /* PYRA_COMMAND_PROFILE_BUTTONS */ - uint8_t size; /* always 0x13 */ - uint8_t number; /* Range 0-4 */ - uint8_t buttons[14]; - uint16_t checksum; /* byte sum */ -}; +} __attribute__ ((__packed__)); struct pyra_info { uint8_t command; /* PYRA_COMMAND_INFO */ @@ -75,7 +55,7 @@ struct pyra_info { uint8_t unknown1; /* always 0 */ uint8_t unknown2; /* always 1 */ uint8_t unknown3; /* always 0 */ -}; +} __attribute__ ((__packed__)); enum pyra_commands { PYRA_COMMAND_CONTROL = 0x4, @@ -86,15 +66,6 @@ enum pyra_commands { PYRA_COMMAND_B = 0xb }; -enum pyra_usb_commands { - PYRA_USB_COMMAND_CONTROL = 0x304, - PYRA_USB_COMMAND_SETTINGS = 0x305, - PYRA_USB_COMMAND_PROFILE_SETTINGS = 0x306, - PYRA_USB_COMMAND_PROFILE_BUTTONS = 0x307, - PYRA_USB_COMMAND_INFO = 0x309, - PYRA_USB_COMMAND_B = 0x30b /* writes 3 bytes */ -}; - enum pyra_mouse_report_numbers { PYRA_MOUSE_REPORT_NUMBER_HID = 1, PYRA_MOUSE_REPORT_NUMBER_AUDIO = 2, @@ -107,13 +78,13 @@ struct pyra_mouse_event_button { uint8_t type; uint8_t data1; uint8_t data2; -}; +} __attribute__ ((__packed__)); struct pyra_mouse_event_audio { uint8_t report_number; /* always 2 */ uint8_t type; uint8_t unused; /* always 0 */ -}; +} __attribute__ ((__packed__)); /* hid audio controls */ enum pyra_mouse_event_audio_types { @@ -167,20 +138,15 @@ struct pyra_roccat_report { uint8_t type; uint8_t value; uint8_t key; -}; - -#pragma pack(pop) +} __attribute__ ((__packed__)); struct pyra_device { int actual_profile; int actual_cpi; - int firmware_version; int roccat_claimed; int chrdev_minor; struct mutex pyra_lock; - struct pyra_settings settings; struct pyra_profile_settings profile_settings[5]; - struct pyra_profile_buttons profile_buttons[5]; }; #endif diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c new file mode 100644 index 00000000000..47cc8f30ff6 --- /dev/null +++ b/drivers/hid/hid-roccat-ryos.c @@ -0,0 +1,241 @@ +/* + * Roccat Ryos driver for Linux + * + * Copyright (c) 2013 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" + +enum { + RYOS_REPORT_NUMBER_SPECIAL = 3, + RYOS_USB_INTERFACE_PROTOCOL = 0, +}; + +struct ryos_report_special { + uint8_t number; /* RYOS_REPORT_NUMBER_SPECIAL */ + uint8_t data[4]; +} __packed; + +static struct class *ryos_class; + +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x05, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_primary, 0x06, 0x7d); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_function, 0x07, 0x5f); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_macro, 0x08, 0x23); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_thumbster, 0x09, 0x17); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_extra, 0x0a, 0x08); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_easyzone, 0x0b, 0x126); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(key_mask, 0x0c, 0x06); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light, 0x0d, 0x10); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x0e, 0x7d2); +ROCCAT_COMMON2_BIN_ATTRIBUTE_R(info, 0x0f, 0x08); +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(reset, 0x11, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(light_control, 0x13, 0x08); +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x16, 0x10); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(stored_lights, 0x17, 0x0566); +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(custom_lights, 0x18, 0x14); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light_macro, 0x19, 0x07d2); + +static struct bin_attribute *ryos_bin_attrs[] = { + &bin_attr_control, + &bin_attr_profile, + &bin_attr_keys_primary, + &bin_attr_keys_function, + &bin_attr_keys_macro, + &bin_attr_keys_thumbster, + &bin_attr_keys_extra, + &bin_attr_keys_easyzone, + &bin_attr_key_mask, + &bin_attr_light, + &bin_attr_macro, + &bin_attr_info, + &bin_attr_reset, + &bin_attr_light_control, + &bin_attr_talk, + &bin_attr_stored_lights, + &bin_attr_custom_lights, + &bin_attr_light_macro, + NULL, +}; + +static const struct attribute_group ryos_group = { + .bin_attrs = ryos_bin_attrs, +}; + +static const struct attribute_group *ryos_groups[] = { + &ryos_group, + NULL, +}; + +static int ryos_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct roccat_common2_device *ryos; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != RYOS_USB_INTERFACE_PROTOCOL) { + hid_set_drvdata(hdev, NULL); + return 0; + } + + ryos = kzalloc(sizeof(*ryos), GFP_KERNEL); + if (!ryos) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, ryos); + + retval = roccat_common2_device_init_struct(usb_dev, ryos); + if (retval) { + hid_err(hdev, "couldn't init Ryos device\n"); + goto exit_free; + } + + retval = roccat_connect(ryos_class, hdev, + sizeof(struct ryos_report_special)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + ryos->chrdev_minor = retval; + ryos->roccat_claimed = 1; + } + + return 0; +exit_free: + kfree(ryos); + return retval; +} + +static void ryos_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct roccat_common2_device *ryos; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != RYOS_USB_INTERFACE_PROTOCOL) + return; + + ryos = hid_get_drvdata(hdev); + if (ryos->roccat_claimed) + roccat_disconnect(ryos->chrdev_minor); + kfree(ryos); +} + +static int ryos_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = ryos_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void ryos_remove(struct hid_device *hdev) +{ + ryos_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static int ryos_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct roccat_common2_device *ryos = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != RYOS_USB_INTERFACE_PROTOCOL) + return 0; + + if (data[0] != RYOS_REPORT_NUMBER_SPECIAL) + return 0; + + if (ryos != NULL && ryos->roccat_claimed) + roccat_report_event(ryos->chrdev_minor, data); + + return 0; +} + +static const struct hid_device_id ryos_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, ryos_devices); + +static struct hid_driver ryos_driver = { + .name = "ryos", + .id_table = ryos_devices, + .probe = ryos_probe, + .remove = ryos_remove, + .raw_event = ryos_raw_event +}; + +static int __init ryos_init(void) +{ + int retval; + + ryos_class = class_create(THIS_MODULE, "ryos"); + if (IS_ERR(ryos_class)) + return PTR_ERR(ryos_class); + ryos_class->dev_groups = ryos_groups; + + retval = hid_register_driver(&ryos_driver); + if (retval) + class_destroy(ryos_class); + return retval; +} + +static void __exit ryos_exit(void) +{ + hid_unregister_driver(&ryos_driver); + class_destroy(ryos_class); +} + +module_init(ryos_init); +module_exit(ryos_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Ryos MK/Glow/Pro driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c new file mode 100644 index 00000000000..6dbf6e04dce --- /dev/null +++ b/drivers/hid/hid-roccat-savu.c @@ -0,0 +1,229 @@ +/* + * Roccat Savu driver for Linux + * + * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* Roccat Savu is a gamer mouse with macro keys that can be configured in + * 5 profiles. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/hid-roccat.h> +#include "hid-ids.h" +#include "hid-roccat-common.h" +#include "hid-roccat-savu.h" + +static struct class *savu_class; + +ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x4, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x5, 0x03); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(general, 0x6, 0x10); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(buttons, 0x7, 0x2f); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x8, 0x0823); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x9, 0x08); +ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0xc, 0x04); + +static struct bin_attribute *savu_bin_attrs[] = { + &bin_attr_control, + &bin_attr_profile, + &bin_attr_general, + &bin_attr_buttons, + &bin_attr_macro, + &bin_attr_info, + &bin_attr_sensor, + NULL, +}; + +static const struct attribute_group savu_group = { + .bin_attrs = savu_bin_attrs, +}; + +static const struct attribute_group *savu_groups[] = { + &savu_group, + NULL, +}; + +static int savu_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct roccat_common2_device *savu; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) { + hid_set_drvdata(hdev, NULL); + return 0; + } + + savu = kzalloc(sizeof(*savu), GFP_KERNEL); + if (!savu) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, savu); + + retval = roccat_common2_device_init_struct(usb_dev, savu); + if (retval) { + hid_err(hdev, "couldn't init Savu device\n"); + goto exit_free; + } + + retval = roccat_connect(savu_class, hdev, + sizeof(struct savu_roccat_report)); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + savu->chrdev_minor = retval; + savu->roccat_claimed = 1; + } + + return 0; +exit_free: + kfree(savu); + return retval; +} + +static void savu_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct roccat_common2_device *savu; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return; + + savu = hid_get_drvdata(hdev); + if (savu->roccat_claimed) + roccat_disconnect(savu->chrdev_minor); + kfree(savu); +} + +static int savu_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = savu_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void savu_remove(struct hid_device *hdev) +{ + savu_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void savu_report_to_chrdev(struct roccat_common2_device const *savu, + u8 const *data) +{ + struct savu_roccat_report roccat_report; + struct savu_mouse_report_special const *special_report; + + if (data[0] != SAVU_MOUSE_REPORT_NUMBER_SPECIAL) + return; + + special_report = (struct savu_mouse_report_special const *)data; + + roccat_report.type = special_report->type; + roccat_report.data[0] = special_report->data[0]; + roccat_report.data[1] = special_report->data[1]; + roccat_report_event(savu->chrdev_minor, + (uint8_t const *)&roccat_report); +} + +static int savu_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct roccat_common2_device *savu = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return 0; + + if (savu == NULL) + return 0; + + if (savu->roccat_claimed) + savu_report_to_chrdev(savu, data); + + return 0; +} + +static const struct hid_device_id savu_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, savu_devices); + +static struct hid_driver savu_driver = { + .name = "savu", + .id_table = savu_devices, + .probe = savu_probe, + .remove = savu_remove, + .raw_event = savu_raw_event +}; + +static int __init savu_init(void) +{ + int retval; + + savu_class = class_create(THIS_MODULE, "savu"); + if (IS_ERR(savu_class)) + return PTR_ERR(savu_class); + savu_class->dev_groups = savu_groups; + + retval = hid_register_driver(&savu_driver); + if (retval) + class_destroy(savu_class); + return retval; +} + +static void __exit savu_exit(void) +{ + hid_unregister_driver(&savu_driver); + class_destroy(savu_class); +} + +module_init(savu_init); +module_exit(savu_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Savu driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-roccat-savu.h b/drivers/hid/hid-roccat-savu.h new file mode 100644 index 00000000000..d23217bd2b8 --- /dev/null +++ b/drivers/hid/hid-roccat-savu.h @@ -0,0 +1,55 @@ +#ifndef __HID_ROCCAT_SAVU_H +#define __HID_ROCCAT_SAVU_H + +/* + * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/types.h> + +struct savu_mouse_report_special { + uint8_t report_number; /* always 3 */ + uint8_t zero; + uint8_t type; + uint8_t data[2]; +} __packed; + +enum { + SAVU_MOUSE_REPORT_NUMBER_SPECIAL = 3, +}; + +enum savu_mouse_report_button_types { + /* data1 = new profile range 1-5 */ + SAVU_MOUSE_REPORT_BUTTON_TYPE_PROFILE = 0x20, + + /* data1 = button number range 1-24; data2 = action */ + SAVU_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH = 0x60, + + /* data1 = button number range 1-24; data2 = action */ + SAVU_MOUSE_REPORT_BUTTON_TYPE_TIMER = 0x80, + + /* data1 = setting number range 1-5 */ + SAVU_MOUSE_REPORT_BUTTON_TYPE_CPI = 0xb0, + + /* data1 and data2 = range 0x1-0xb */ + SAVU_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY = 0xc0, + + /* data1 = 22 = next track... + * data2 = action + */ + SAVU_MOUSE_REPORT_BUTTON_TYPE_MULTIMEDIA = 0xf0, +}; + +struct savu_roccat_report { + uint8_t type; + uint8_t data[2]; +} __packed; + +#endif diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c index 5a6879e235a..65c4ccfcbd2 100644 --- a/drivers/hid/hid-roccat.c +++ b/drivers/hid/hid-roccat.c @@ -21,11 +21,13 @@ * It is inspired by hidraw, but uses only one circular buffer for all readers. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/cdev.h> #include <linux/poll.h> #include <linux/sched.h> - -#include "hid-roccat.h" +#include <linux/hid-roccat.h> +#include <linux/module.h> #define ROCCAT_FIRST_MINOR 0 #define ROCCAT_MAX_DEVICES 8 @@ -35,11 +37,11 @@ struct roccat_report { uint8_t *value; - int len; }; struct roccat_device { unsigned int minor; + int report_size; int open; int exist; wait_queue_head_t wait; @@ -65,7 +67,6 @@ struct roccat_reader { }; static int roccat_major; -static struct class *roccat_class; static struct cdev roccat_cdev; static struct roccat_device *devices[ROCCAT_MAX_DEVICES]; @@ -122,7 +123,7 @@ static ssize_t roccat_read(struct file *file, char __user *buffer, * If report is larger than requested amount of data, rest of report * is lost! */ - len = report->len > count ? count : report->len; + len = device->report_size > count ? count : device->report_size; if (copy_to_user(buffer, report->value, len)) { retval = -EFAULT; @@ -162,32 +163,27 @@ static int roccat_open(struct inode *inode, struct file *file) device = devices[minor]; - mutex_lock(&device->readers_lock); - if (!device) { - printk(KERN_EMERG "roccat device with minor %d doesn't exist\n", - minor); + pr_emerg("roccat device with minor %d doesn't exist\n", minor); error = -ENODEV; - goto exit_err; + goto exit_err_devices; } + mutex_lock(&device->readers_lock); + if (!device->open++) { /* power on device on adding first reader */ - if (device->hid->ll_driver->power) { - error = device->hid->ll_driver->power(device->hid, - PM_HINT_FULLON); - if (error < 0) { - --device->open; - goto exit_err; - } + error = hid_hw_power(device->hid, PM_HINT_FULLON); + if (error < 0) { + --device->open; + goto exit_err_readers; } - error = device->hid->ll_driver->open(device->hid); + + error = hid_hw_open(device->hid); if (error < 0) { - if (device->hid->ll_driver->power) - device->hid->ll_driver->power(device->hid, - PM_HINT_NORMAL); + hid_hw_power(device->hid, PM_HINT_NORMAL); --device->open; - goto exit_err; + goto exit_err_readers; } } @@ -198,13 +194,13 @@ static int roccat_open(struct inode *inode, struct file *file) list_add_tail(&reader->node, &device->readers); file->private_data = reader; -exit_unlock: +exit_err_readers: mutex_unlock(&device->readers_lock); +exit_err_devices: mutex_unlock(&devices_lock); + if (error) + kfree(reader); return error; -exit_err: - kfree(reader); - goto exit_unlock; } static int roccat_release(struct inode *inode, struct file *file) @@ -218,8 +214,7 @@ static int roccat_release(struct inode *inode, struct file *file) device = devices[minor]; if (!device) { mutex_unlock(&devices_lock); - printk(KERN_EMERG "roccat device with minor %d doesn't exist\n", - minor); + pr_emerg("roccat device with minor %d doesn't exist\n", minor); return -ENODEV; } @@ -231,10 +226,8 @@ static int roccat_release(struct inode *inode, struct file *file) if (!--device->open) { /* removing last reader */ if (device->exist) { - if (device->hid->ll_driver->power) - device->hid->ll_driver->power(device->hid, - PM_HINT_NORMAL); - device->hid->ll_driver->close(device->hid); + hid_hw_power(device->hid, PM_HINT_NORMAL); + hid_hw_close(device->hid); } else { kfree(device); } @@ -249,32 +242,30 @@ static int roccat_release(struct inode *inode, struct file *file) * roccat_report_event() - output data to readers * @minor: minor device number returned by roccat_connect() * @data: pointer to data - * @len: size of data * * Return value is zero on success, a negative error code on failure. * * This is called from interrupt handler. */ -int roccat_report_event(int minor, u8 const *data, int len) +int roccat_report_event(int minor, u8 const *data) { struct roccat_device *device; struct roccat_reader *reader; struct roccat_report *report; uint8_t *new_value; - new_value = kmemdup(data, len, GFP_ATOMIC); + device = devices[minor]; + + new_value = kmemdup(data, device->report_size, GFP_ATOMIC); if (!new_value) return -ENOMEM; - device = devices[minor]; - report = &device->cbuf[device->cbuf_end]; /* passing NULL is safe */ kfree(report->value); report->value = new_value; - report->len = len; device->cbuf_end = (device->cbuf_end + 1) % ROCCAT_CBUF_SIZE; list_for_each_entry(reader, &device->readers, node) { @@ -295,12 +286,15 @@ EXPORT_SYMBOL_GPL(roccat_report_event); /* * roccat_connect() - create a char device for special event output + * @class: the class thats used to create the device. Meant to hold device + * specific sysfs attributes. * @hid: the hid device the char device should be connected to. + * @report_size: size of reports * * Return value is minor device number in Range [0, ROCCAT_MAX_DEVICES] on * success, a negative error code on failure. */ -int roccat_connect(struct hid_device *hid) +int roccat_connect(struct class *klass, struct hid_device *hid, int report_size) { unsigned int minor; struct roccat_device *device; @@ -326,7 +320,7 @@ int roccat_connect(struct hid_device *hid) return -EINVAL; } - device->dev = device_create(roccat_class, &hid->dev, + device->dev = device_create(klass, &hid->dev, MKDEV(roccat_major, minor), NULL, "%s%s%d", "roccat", hid->driver->name, minor); @@ -348,6 +342,7 @@ int roccat_connect(struct hid_device *hid) device->hid = hid; device->exist = 1; device->cbuf_end = 0; + device->report_size = report_size; return minor; } @@ -362,15 +357,18 @@ void roccat_disconnect(int minor) mutex_lock(&devices_lock); device = devices[minor]; - devices[minor] = NULL; mutex_unlock(&devices_lock); device->exist = 0; /* TODO exist maybe not needed */ - device_destroy(roccat_class, MKDEV(roccat_major, minor)); + device_destroy(device->dev->class, MKDEV(roccat_major, minor)); + + mutex_lock(&devices_lock); + devices[minor] = NULL; + mutex_unlock(&devices_lock); if (device->open) { - device->hid->ll_driver->close(device->hid); + hid_hw_close(device->hid); wake_up_interruptible(&device->wait); } else { kfree(device); @@ -378,6 +376,34 @@ void roccat_disconnect(int minor) } EXPORT_SYMBOL_GPL(roccat_disconnect); +static long roccat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct inode *inode = file_inode(file); + struct roccat_device *device; + unsigned int minor = iminor(inode); + long retval = 0; + + mutex_lock(&devices_lock); + + device = devices[minor]; + if (!device) { + retval = -ENODEV; + goto out; + } + + switch (cmd) { + case ROCCATIOCGREPSIZE: + if (put_user(device->report_size, (int __user *)arg)) + retval = -EFAULT; + break; + default: + retval = -ENOTTY; + } +out: + mutex_unlock(&devices_lock); + return retval; +} + static const struct file_operations roccat_ops = { .owner = THIS_MODULE, .read = roccat_read, @@ -385,6 +411,7 @@ static const struct file_operations roccat_ops = { .open = roccat_open, .release = roccat_release, .llseek = noop_llseek, + .unlocked_ioctl = roccat_ioctl, }; static int __init roccat_init(void) @@ -398,21 +425,24 @@ static int __init roccat_init(void) roccat_major = MAJOR(dev_id); if (retval < 0) { - printk(KERN_WARNING "roccat: can't get major number\n"); - return retval; - } - - roccat_class = class_create(THIS_MODULE, "roccat"); - if (IS_ERR(roccat_class)) { - retval = PTR_ERR(roccat_class); - unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES); - return retval; + pr_warn("can't get major number\n"); + goto error; } cdev_init(&roccat_cdev, &roccat_ops); - cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES); + retval = cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES); + if (retval < 0) { + pr_warn("cannot add cdev\n"); + goto cleanup_alloc_chrdev_region; + } return 0; + + + cleanup_alloc_chrdev_region: + unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES); + error: + return retval; } static void __exit roccat_exit(void) @@ -420,7 +450,6 @@ static void __exit roccat_exit(void) dev_t dev_id = MKDEV(roccat_major, 0); cdev_del(&roccat_cdev); - class_destroy(roccat_class); unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES); } diff --git a/drivers/hid/hid-roccat.h b/drivers/hid/hid-roccat.h deleted file mode 100644 index 09e864e9f79..00000000000 --- a/drivers/hid/hid-roccat.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __HID_ROCCAT_H -#define __HID_ROCCAT_H - -/* - * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/hid.h> -#include <linux/types.h> - -#if defined(CONFIG_HID_ROCCAT) || defined(CONFIG_HID_ROCCAT_MODULE) -int roccat_connect(struct hid_device *hid); -void roccat_disconnect(int minor); -int roccat_report_event(int minor, u8 const *data, int len); -#else -static inline int roccat_connect(struct hid_device *hid) { return -1; } -static inline void roccat_disconnect(int minor) {} -static inline int roccat_report_event(int minor, u8 const *data, int len) -{ - return 0; -} -#endif - -#endif diff --git a/drivers/hid/hid-saitek.c b/drivers/hid/hid-saitek.c new file mode 100644 index 00000000000..69cca1476a0 --- /dev/null +++ b/drivers/hid/hid-saitek.c @@ -0,0 +1,199 @@ +/* + * HID driver for Saitek devices. + * + * PS1000 (USB gamepad): + * Fixes the HID report descriptor by removing a non-existent axis and + * clearing the constant bit on the input reports for buttons and d-pad. + * (This module is based on "hid-ortek".) + * Copyright (c) 2012 Andreas Hübner + * + * R.A.T.7, M.M.O.7 (USB gaming mice): + * Fixes the mode button which cycles through three constantly pressed + * buttons. All three press events are mapped to one button and the + * missing release event is generated immediately. + * + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/kernel.h> + +#include "hid-ids.h" + +#define SAITEK_FIX_PS1000 0x0001 +#define SAITEK_RELEASE_MODE_RAT7 0x0002 +#define SAITEK_RELEASE_MODE_MMO7 0x0004 + +struct saitek_sc { + unsigned long quirks; + int mode; +}; + +static int saitek_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + struct saitek_sc *ssc; + int ret; + + ssc = devm_kzalloc(&hdev->dev, sizeof(*ssc), GFP_KERNEL); + if (ssc == NULL) { + hid_err(hdev, "can't alloc saitek descriptor\n"); + return -ENOMEM; + } + + ssc->quirks = quirks; + ssc->mode = -1; + + hid_set_drvdata(hdev, ssc); + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + return ret; + } + + return 0; +} + +static __u8 *saitek_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct saitek_sc *ssc = hid_get_drvdata(hdev); + + if ((ssc->quirks & SAITEK_FIX_PS1000) && *rsize == 137 && + rdesc[20] == 0x09 && rdesc[21] == 0x33 && + rdesc[94] == 0x81 && rdesc[95] == 0x03 && + rdesc[110] == 0x81 && rdesc[111] == 0x03) { + + hid_info(hdev, "Fixing up Saitek PS1000 report descriptor\n"); + + /* convert spurious axis to a "noop" Logical Minimum (0) */ + rdesc[20] = 0x15; + rdesc[21] = 0x00; + + /* clear constant bit on buttons and d-pad */ + rdesc[95] = 0x02; + rdesc[111] = 0x02; + + } + return rdesc; +} + +static int saitek_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *raw_data, int size) +{ + struct saitek_sc *ssc = hid_get_drvdata(hdev); + + if (ssc->quirks & SAITEK_RELEASE_MODE_RAT7 && size == 7) { + /* R.A.T.7 uses bits 13, 14, 15 for the mode */ + int mode = -1; + if (raw_data[1] & 0x01) + mode = 0; + else if (raw_data[1] & 0x02) + mode = 1; + else if (raw_data[1] & 0x04) + mode = 2; + + /* clear mode bits */ + raw_data[1] &= ~0x07; + + if (mode != ssc->mode) { + hid_dbg(hdev, "entered mode %d\n", mode); + if (ssc->mode != -1) { + /* use bit 13 as the mode button */ + raw_data[1] |= 0x04; + } + ssc->mode = mode; + } + } else if (ssc->quirks & SAITEK_RELEASE_MODE_MMO7 && size == 8) { + + /* M.M.O.7 uses bits 8, 22, 23 for the mode */ + int mode = -1; + if (raw_data[1] & 0x80) + mode = 0; + else if (raw_data[2] & 0x01) + mode = 1; + else if (raw_data[2] & 0x02) + mode = 2; + + /* clear mode bits */ + raw_data[1] &= ~0x80; + raw_data[2] &= ~0x03; + + if (mode != ssc->mode) { + hid_dbg(hdev, "entered mode %d\n", mode); + if (ssc->mode != -1) { + /* use bit 8 as the mode button, bits 22 + * and 23 do not represent buttons + * according to the HID report descriptor + */ + raw_data[1] |= 0x80; + } + ssc->mode = mode; + } + } + + return 0; +} + +static int saitek_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct saitek_sc *ssc = hid_get_drvdata(hdev); + struct input_dev *input = field->hidinput->input; + + if (usage->type == EV_KEY && value && + (((ssc->quirks & SAITEK_RELEASE_MODE_RAT7) && + usage->code - BTN_MOUSE == 10) || + ((ssc->quirks & SAITEK_RELEASE_MODE_MMO7) && + usage->code - BTN_MOUSE == 15))) { + + input_report_key(input, usage->code, 1); + + /* report missing release event */ + input_report_key(input, usage->code, 0); + + return 1; + } + + return 0; +} + +static const struct hid_device_id saitek_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000), + .driver_data = SAITEK_FIX_PS1000 }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7), + .driver_data = SAITEK_RELEASE_MODE_RAT7 }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7), + .driver_data = SAITEK_RELEASE_MODE_MMO7 }, + { } +}; + +MODULE_DEVICE_TABLE(hid, saitek_devices); + +static struct hid_driver saitek_driver = { + .name = "saitek", + .id_table = saitek_devices, + .probe = saitek_probe, + .report_fixup = saitek_report_fixup, + .raw_event = saitek_raw_event, + .event = saitek_event, +}; +module_hid_driver(saitek_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c index 35894444e00..7cbb067d4a9 100644 --- a/drivers/hid/hid-samsung.c +++ b/drivers/hid/hid-samsung.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby * Copyright (c) 2010 Don Prince <dhprince.devel@yahoo.co.uk> * @@ -57,8 +56,8 @@ static inline void samsung_irda_dev_trace(struct hid_device *hdev, unsigned int rsize) { - dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report " - "descriptor\n", rsize); + hid_info(hdev, "fixing up Samsung IrDA %d byte report descriptor\n", + rsize); } static __u8 *samsung_irda_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -160,7 +159,7 @@ static int samsung_probe(struct hid_device *hdev, ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } @@ -174,7 +173,7 @@ static int samsung_probe(struct hid_device *hdev, ret = hid_hw_start(hdev, cmask); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } @@ -197,17 +196,6 @@ static struct hid_driver samsung_driver = { .input_mapping = samsung_input_mapping, .probe = samsung_probe, }; +module_hid_driver(samsung_driver); -static int __init samsung_init(void) -{ - return hid_register_driver(&samsung_driver); -} - -static void __exit samsung_exit(void) -{ - hid_unregister_driver(&samsung_driver); -} - -module_init(samsung_init); -module_exit(samsung_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c new file mode 100644 index 00000000000..e244e449cbb --- /dev/null +++ b/drivers/hid/hid-sensor-hub.c @@ -0,0 +1,751 @@ +/* + * HID Sensors Driver + * Copyright (c) 2012, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/mfd/core.h> +#include <linux/list.h> +#include <linux/hid-sensor-ids.h> +#include <linux/hid-sensor-hub.h> +#include "hid-ids.h" + +#define HID_SENSOR_HUB_ENUM_QUIRK 0x01 + +/** + * struct sensor_hub_pending - Synchronous read pending information + * @status: Pending status true/false. + * @ready: Completion synchronization data. + * @usage_id: Usage id for physical device, E.g. Gyro usage id. + * @attr_usage_id: Usage Id of a field, E.g. X-AXIS for a gyro. + * @raw_size: Response size for a read request. + * @raw_data: Place holder for received response. + */ +struct sensor_hub_pending { + bool status; + struct completion ready; + u32 usage_id; + u32 attr_usage_id; + int raw_size; + u8 *raw_data; +}; + +/** + * struct sensor_hub_data - Hold a instance data for a HID hub device + * @hsdev: Stored hid instance for current hub device. + * @mutex: Mutex to serialize synchronous request. + * @lock: Spin lock to protect pending request structure. + * @pending: Holds information of pending sync read request. + * @dyn_callback_list: Holds callback function + * @dyn_callback_lock: spin lock to protect callback list + * @hid_sensor_hub_client_devs: Stores all MFD cells for a hub instance. + * @hid_sensor_client_cnt: Number of MFD cells, (no of sensors attached). + * @ref_cnt: Number of MFD clients have opened this device + */ +struct sensor_hub_data { + struct mutex mutex; + spinlock_t lock; + struct sensor_hub_pending pending; + struct list_head dyn_callback_list; + spinlock_t dyn_callback_lock; + struct mfd_cell *hid_sensor_hub_client_devs; + int hid_sensor_client_cnt; + unsigned long quirks; + int ref_cnt; +}; + +/** + * struct hid_sensor_hub_callbacks_list - Stores callback list + * @list: list head. + * @usage_id: usage id for a physical device. + * @usage_callback: Stores registered callback functions. + * @priv: Private data for a physical device. + */ +struct hid_sensor_hub_callbacks_list { + struct list_head list; + u32 usage_id; + struct hid_sensor_hub_device *hsdev; + struct hid_sensor_hub_callbacks *usage_callback; + void *priv; +}; + +static struct hid_report *sensor_hub_report(int id, struct hid_device *hdev, + int dir) +{ + struct hid_report *report; + + list_for_each_entry(report, &hdev->report_enum[dir].report_list, list) { + if (report->id == id) + return report; + } + hid_warn(hdev, "No report with id 0x%x found\n", id); + + return NULL; +} + +static int sensor_hub_get_physical_device_count(struct hid_device *hdev) +{ + int i; + int count = 0; + + for (i = 0; i < hdev->maxcollection; ++i) { + struct hid_collection *collection = &hdev->collection[i]; + if (collection->type == HID_COLLECTION_PHYSICAL) + ++count; + } + + return count; +} + +static void sensor_hub_fill_attr_info( + struct hid_sensor_hub_attribute_info *info, + s32 index, s32 report_id, struct hid_field *field) +{ + info->index = index; + info->report_id = report_id; + info->units = field->unit; + info->unit_expo = field->unit_exponent; + info->size = (field->report_size * field->report_count)/8; + info->logical_minimum = field->logical_minimum; + info->logical_maximum = field->logical_maximum; +} + +static struct hid_sensor_hub_callbacks *sensor_hub_get_callback( + struct hid_device *hdev, + u32 usage_id, + int collection_index, + struct hid_sensor_hub_device **hsdev, + void **priv) +{ + struct hid_sensor_hub_callbacks_list *callback; + struct sensor_hub_data *pdata = hid_get_drvdata(hdev); + + spin_lock(&pdata->dyn_callback_lock); + list_for_each_entry(callback, &pdata->dyn_callback_list, list) + if (callback->usage_id == usage_id && + (collection_index >= + callback->hsdev->start_collection_index) && + (collection_index < + callback->hsdev->end_collection_index)) { + *priv = callback->priv; + *hsdev = callback->hsdev; + spin_unlock(&pdata->dyn_callback_lock); + return callback->usage_callback; + } + spin_unlock(&pdata->dyn_callback_lock); + + return NULL; +} + +int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev, + u32 usage_id, + struct hid_sensor_hub_callbacks *usage_callback) +{ + struct hid_sensor_hub_callbacks_list *callback; + struct sensor_hub_data *pdata = hid_get_drvdata(hsdev->hdev); + unsigned long flags; + + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); + list_for_each_entry(callback, &pdata->dyn_callback_list, list) + if (callback->usage_id == usage_id && + callback->hsdev == hsdev) { + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); + return -EINVAL; + } + callback = kzalloc(sizeof(*callback), GFP_ATOMIC); + if (!callback) { + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); + return -ENOMEM; + } + callback->hsdev = hsdev; + callback->usage_callback = usage_callback; + callback->usage_id = usage_id; + callback->priv = NULL; + list_add_tail(&callback->list, &pdata->dyn_callback_list); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); + + return 0; +} +EXPORT_SYMBOL_GPL(sensor_hub_register_callback); + +int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev, + u32 usage_id) +{ + struct hid_sensor_hub_callbacks_list *callback; + struct sensor_hub_data *pdata = hid_get_drvdata(hsdev->hdev); + unsigned long flags; + + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); + list_for_each_entry(callback, &pdata->dyn_callback_list, list) + if (callback->usage_id == usage_id && + callback->hsdev == hsdev) { + list_del(&callback->list); + kfree(callback); + break; + } + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); + + return 0; +} +EXPORT_SYMBOL_GPL(sensor_hub_remove_callback); + +int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, + u32 field_index, s32 value) +{ + struct hid_report *report; + struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); + int ret = 0; + + mutex_lock(&data->mutex); + report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); + if (!report || (field_index >= report->maxfield)) { + ret = -EINVAL; + goto done_proc; + } + hid_set_field(report->field[field_index], 0, value); + hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT); + hid_hw_wait(hsdev->hdev); + +done_proc: + mutex_unlock(&data->mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(sensor_hub_set_feature); + +int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, + u32 field_index, s32 *value) +{ + struct hid_report *report; + struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); + int ret = 0; + + mutex_lock(&data->mutex); + report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); + if (!report || (field_index >= report->maxfield) || + report->field[field_index]->report_count < 1) { + ret = -EINVAL; + goto done_proc; + } + hid_hw_request(hsdev->hdev, report, HID_REQ_GET_REPORT); + hid_hw_wait(hsdev->hdev); + *value = report->field[field_index]->value[0]; + +done_proc: + mutex_unlock(&data->mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(sensor_hub_get_feature); + + +int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev, + u32 usage_id, + u32 attr_usage_id, u32 report_id) +{ + struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); + unsigned long flags; + struct hid_report *report; + int ret_val = 0; + + mutex_lock(&data->mutex); + memset(&data->pending, 0, sizeof(data->pending)); + init_completion(&data->pending.ready); + data->pending.usage_id = usage_id; + data->pending.attr_usage_id = attr_usage_id; + data->pending.raw_size = 0; + + spin_lock_irqsave(&data->lock, flags); + data->pending.status = true; + spin_unlock_irqrestore(&data->lock, flags); + report = sensor_hub_report(report_id, hsdev->hdev, HID_INPUT_REPORT); + if (!report) + goto err_free; + + hid_hw_request(hsdev->hdev, report, HID_REQ_GET_REPORT); + wait_for_completion_interruptible_timeout(&data->pending.ready, HZ*5); + switch (data->pending.raw_size) { + case 1: + ret_val = *(u8 *)data->pending.raw_data; + break; + case 2: + ret_val = *(u16 *)data->pending.raw_data; + break; + case 4: + ret_val = *(u32 *)data->pending.raw_data; + break; + default: + ret_val = 0; + } + kfree(data->pending.raw_data); + +err_free: + data->pending.status = false; + mutex_unlock(&data->mutex); + + return ret_val; +} +EXPORT_SYMBOL_GPL(sensor_hub_input_attr_get_raw_value); + +int hid_sensor_get_usage_index(struct hid_sensor_hub_device *hsdev, + u32 report_id, int field_index, u32 usage_id) +{ + struct hid_report *report; + struct hid_field *field; + int i; + + report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); + if (!report || (field_index >= report->maxfield)) + goto done_proc; + + field = report->field[field_index]; + for (i = 0; i < field->maxusage; ++i) { + if (field->usage[i].hid == usage_id) + return field->usage[i].usage_index; + } + +done_proc: + return -EINVAL; +} +EXPORT_SYMBOL_GPL(hid_sensor_get_usage_index); + +int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev, + u8 type, + u32 usage_id, + u32 attr_usage_id, + struct hid_sensor_hub_attribute_info *info) +{ + int ret = -1; + int i; + struct hid_report *report; + struct hid_field *field; + struct hid_report_enum *report_enum; + struct hid_device *hdev = hsdev->hdev; + + /* Initialize with defaults */ + info->usage_id = usage_id; + info->attrib_id = attr_usage_id; + info->report_id = -1; + info->index = -1; + info->units = -1; + info->unit_expo = -1; + + report_enum = &hdev->report_enum[type]; + list_for_each_entry(report, &report_enum->report_list, list) { + for (i = 0; i < report->maxfield; ++i) { + field = report->field[i]; + if (field->maxusage) { + if (field->physical == usage_id && + (field->logical == attr_usage_id || + field->usage[0].hid == + attr_usage_id) && + (field->usage[0].collection_index >= + hsdev->start_collection_index) && + (field->usage[0].collection_index < + hsdev->end_collection_index)) { + + sensor_hub_fill_attr_info(info, i, + report->id, + field); + ret = 0; + break; + } + } + } + + } + + return ret; +} +EXPORT_SYMBOL_GPL(sensor_hub_input_get_attribute_info); + +#ifdef CONFIG_PM +static int sensor_hub_suspend(struct hid_device *hdev, pm_message_t message) +{ + struct sensor_hub_data *pdata = hid_get_drvdata(hdev); + struct hid_sensor_hub_callbacks_list *callback; + unsigned long flags; + + hid_dbg(hdev, " sensor_hub_suspend\n"); + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); + list_for_each_entry(callback, &pdata->dyn_callback_list, list) { + if (callback->usage_callback->suspend) + callback->usage_callback->suspend( + callback->hsdev, callback->priv); + } + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); + + return 0; +} + +static int sensor_hub_resume(struct hid_device *hdev) +{ + struct sensor_hub_data *pdata = hid_get_drvdata(hdev); + struct hid_sensor_hub_callbacks_list *callback; + unsigned long flags; + + hid_dbg(hdev, " sensor_hub_resume\n"); + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); + list_for_each_entry(callback, &pdata->dyn_callback_list, list) { + if (callback->usage_callback->resume) + callback->usage_callback->resume( + callback->hsdev, callback->priv); + } + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); + + return 0; +} + +static int sensor_hub_reset_resume(struct hid_device *hdev) +{ + return 0; +} +#endif + +/* + * Handle raw report as sent by device + */ +static int sensor_hub_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *raw_data, int size) +{ + int i; + u8 *ptr; + int sz; + struct sensor_hub_data *pdata = hid_get_drvdata(hdev); + unsigned long flags; + struct hid_sensor_hub_callbacks *callback = NULL; + struct hid_collection *collection = NULL; + void *priv = NULL; + struct hid_sensor_hub_device *hsdev = NULL; + + hid_dbg(hdev, "sensor_hub_raw_event report id:0x%x size:%d type:%d\n", + report->id, size, report->type); + hid_dbg(hdev, "maxfield:%d\n", report->maxfield); + if (report->type != HID_INPUT_REPORT) + return 1; + + ptr = raw_data; + ptr++; /* Skip report id */ + + spin_lock_irqsave(&pdata->lock, flags); + + for (i = 0; i < report->maxfield; ++i) { + hid_dbg(hdev, "%d collection_index:%x hid:%x sz:%x\n", + i, report->field[i]->usage->collection_index, + report->field[i]->usage->hid, + (report->field[i]->report_size * + report->field[i]->report_count)/8); + sz = (report->field[i]->report_size * + report->field[i]->report_count)/8; + if (pdata->pending.status && pdata->pending.attr_usage_id == + report->field[i]->usage->hid) { + hid_dbg(hdev, "data was pending ...\n"); + pdata->pending.raw_data = kmemdup(ptr, sz, GFP_ATOMIC); + if (pdata->pending.raw_data) + pdata->pending.raw_size = sz; + else + pdata->pending.raw_size = 0; + complete(&pdata->pending.ready); + } + collection = &hdev->collection[ + report->field[i]->usage->collection_index]; + hid_dbg(hdev, "collection->usage %x\n", + collection->usage); + + callback = sensor_hub_get_callback(hdev, + report->field[i]->physical, + report->field[i]->usage[0].collection_index, + &hsdev, &priv); + + if (callback && callback->capture_sample) { + if (report->field[i]->logical) + callback->capture_sample(hsdev, + report->field[i]->logical, sz, ptr, + callback->pdev); + else + callback->capture_sample(hsdev, + report->field[i]->usage->hid, sz, ptr, + callback->pdev); + } + ptr += sz; + } + if (callback && collection && callback->send_event) + callback->send_event(hsdev, collection->usage, + callback->pdev); + spin_unlock_irqrestore(&pdata->lock, flags); + + return 1; +} + +int sensor_hub_device_open(struct hid_sensor_hub_device *hsdev) +{ + int ret = 0; + struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); + + mutex_lock(&data->mutex); + if (!data->ref_cnt) { + ret = hid_hw_open(hsdev->hdev); + if (ret) { + hid_err(hsdev->hdev, "failed to open hid device\n"); + mutex_unlock(&data->mutex); + return ret; + } + } + data->ref_cnt++; + mutex_unlock(&data->mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(sensor_hub_device_open); + +void sensor_hub_device_close(struct hid_sensor_hub_device *hsdev) +{ + struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); + + mutex_lock(&data->mutex); + data->ref_cnt--; + if (!data->ref_cnt) + hid_hw_close(hsdev->hdev); + mutex_unlock(&data->mutex); +} +EXPORT_SYMBOL_GPL(sensor_hub_device_close); + +static __u8 *sensor_hub_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + int index; + struct sensor_hub_data *sd = hid_get_drvdata(hdev); + unsigned char report_block[] = { + 0x0a, 0x16, 0x03, 0x15, 0x00, 0x25, 0x05}; + unsigned char power_block[] = { + 0x0a, 0x19, 0x03, 0x15, 0x00, 0x25, 0x05}; + + if (!(sd->quirks & HID_SENSOR_HUB_ENUM_QUIRK)) { + hid_dbg(hdev, "No Enum quirks\n"); + return rdesc; + } + + /* Looks for power and report state usage id and force to 1 */ + for (index = 0; index < *rsize; ++index) { + if (((*rsize - index) > sizeof(report_block)) && + !memcmp(&rdesc[index], report_block, + sizeof(report_block))) { + rdesc[index + 4] = 0x01; + index += sizeof(report_block); + } + if (((*rsize - index) > sizeof(power_block)) && + !memcmp(&rdesc[index], power_block, + sizeof(power_block))) { + rdesc[index + 4] = 0x01; + index += sizeof(power_block); + } + } + + return rdesc; +} + +static int sensor_hub_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret; + struct sensor_hub_data *sd; + int i; + char *name; + int dev_cnt; + struct hid_sensor_hub_device *hsdev; + struct hid_sensor_hub_device *last_hsdev = NULL; + + sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL); + if (!sd) { + hid_err(hdev, "cannot allocate Sensor data\n"); + return -ENOMEM; + } + + hid_set_drvdata(hdev, sd); + sd->quirks = id->driver_data; + + spin_lock_init(&sd->lock); + spin_lock_init(&sd->dyn_callback_lock); + mutex_init(&sd->mutex); + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + return ret; + } + INIT_LIST_HEAD(&hdev->inputs); + + ret = hid_hw_start(hdev, 0); + if (ret) { + hid_err(hdev, "hw start failed\n"); + return ret; + } + INIT_LIST_HEAD(&sd->dyn_callback_list); + sd->hid_sensor_client_cnt = 0; + + dev_cnt = sensor_hub_get_physical_device_count(hdev); + if (dev_cnt > HID_MAX_PHY_DEVICES) { + hid_err(hdev, "Invalid Physical device count\n"); + ret = -EINVAL; + goto err_stop_hw; + } + sd->hid_sensor_hub_client_devs = kzalloc(dev_cnt * + sizeof(struct mfd_cell), + GFP_KERNEL); + if (sd->hid_sensor_hub_client_devs == NULL) { + hid_err(hdev, "Failed to allocate memory for mfd cells\n"); + ret = -ENOMEM; + goto err_stop_hw; + } + + for (i = 0; i < hdev->maxcollection; ++i) { + struct hid_collection *collection = &hdev->collection[i]; + + if (collection->type == HID_COLLECTION_PHYSICAL) { + + hsdev = kzalloc(sizeof(*hsdev), GFP_KERNEL); + if (!hsdev) { + hid_err(hdev, "cannot allocate hid_sensor_hub_device\n"); + ret = -ENOMEM; + goto err_no_mem; + } + hsdev->hdev = hdev; + hsdev->vendor_id = hdev->vendor; + hsdev->product_id = hdev->product; + hsdev->start_collection_index = i; + if (last_hsdev) + last_hsdev->end_collection_index = i; + last_hsdev = hsdev; + name = kasprintf(GFP_KERNEL, "HID-SENSOR-%x", + collection->usage); + if (name == NULL) { + hid_err(hdev, "Failed MFD device name\n"); + ret = -ENOMEM; + kfree(hsdev); + goto err_no_mem; + } + sd->hid_sensor_hub_client_devs[ + sd->hid_sensor_client_cnt].id = + PLATFORM_DEVID_AUTO; + sd->hid_sensor_hub_client_devs[ + sd->hid_sensor_client_cnt].name = name; + sd->hid_sensor_hub_client_devs[ + sd->hid_sensor_client_cnt].platform_data = + hsdev; + sd->hid_sensor_hub_client_devs[ + sd->hid_sensor_client_cnt].pdata_size = + sizeof(*hsdev); + hid_dbg(hdev, "Adding %s:%d\n", name, + hsdev->start_collection_index); + sd->hid_sensor_client_cnt++; + } + } + if (last_hsdev) + last_hsdev->end_collection_index = i; + + ret = mfd_add_devices(&hdev->dev, 0, sd->hid_sensor_hub_client_devs, + sd->hid_sensor_client_cnt, NULL, 0, NULL); + if (ret < 0) + goto err_no_mem; + + return ret; + +err_no_mem: + for (i = 0; i < sd->hid_sensor_client_cnt; ++i) { + kfree(sd->hid_sensor_hub_client_devs[i].name); + kfree(sd->hid_sensor_hub_client_devs[i].platform_data); + } + kfree(sd->hid_sensor_hub_client_devs); +err_stop_hw: + hid_hw_stop(hdev); + + return ret; +} + +static void sensor_hub_remove(struct hid_device *hdev) +{ + struct sensor_hub_data *data = hid_get_drvdata(hdev); + unsigned long flags; + int i; + + hid_dbg(hdev, " hardware removed\n"); + hid_hw_close(hdev); + hid_hw_stop(hdev); + spin_lock_irqsave(&data->lock, flags); + if (data->pending.status) + complete(&data->pending.ready); + spin_unlock_irqrestore(&data->lock, flags); + mfd_remove_devices(&hdev->dev); + for (i = 0; i < data->hid_sensor_client_cnt; ++i) { + kfree(data->hid_sensor_hub_client_devs[i].name); + kfree(data->hid_sensor_hub_client_devs[i].platform_data); + } + kfree(data->hid_sensor_hub_client_devs); + hid_set_drvdata(hdev, NULL); + mutex_destroy(&data->mutex); +} + +static const struct hid_device_id sensor_hub_devices[] = { + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_0, + USB_DEVICE_ID_INTEL_HID_SENSOR_0), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_1, + USB_DEVICE_ID_INTEL_HID_SENSOR_0), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_1, + USB_DEVICE_ID_INTEL_HID_SENSOR_1), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_MICROSOFT, + USB_DEVICE_ID_MS_SURFACE_PRO_2), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_MICROSOFT, + USB_DEVICE_ID_MS_TOUCH_COVER_2), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_MICROSOFT, + USB_DEVICE_ID_MS_TYPE_COVER_2), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_STM_0, + USB_DEVICE_ID_STM_HID_SENSOR_1), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_TEXAS_INSTRUMENTS, + USB_DEVICE_ID_TEXAS_INSTRUMENTS_LENOVO_YOGA), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, HID_ANY_ID, + HID_ANY_ID) }, + { } +}; +MODULE_DEVICE_TABLE(hid, sensor_hub_devices); + +static struct hid_driver sensor_hub_driver = { + .name = "hid-sensor-hub", + .id_table = sensor_hub_devices, + .probe = sensor_hub_probe, + .remove = sensor_hub_remove, + .raw_event = sensor_hub_raw_event, + .report_fixup = sensor_hub_report_fixup, +#ifdef CONFIG_PM + .suspend = sensor_hub_suspend, + .resume = sensor_hub_resume, + .reset_resume = sensor_hub_reset_resume, +#endif +}; +module_hid_driver(sensor_hub_driver); + +MODULE_DESCRIPTION("HID Sensor Hub driver"); +MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@intel.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-sjoy.c b/drivers/hid/hid-sjoy.c index e10a7687ebf..37845eccddb 100644 --- a/drivers/hid/hid-sjoy.c +++ b/drivers/hid/hid-sjoy.c @@ -28,12 +28,11 @@ #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> #include <linux/hid.h> +#include <linux/module.h> #include "hid-ids.h" #ifdef CONFIG_SMARTJOYPLUS_FF -#include "usbhid/usbhid.h" struct sjoyff_device { struct hid_report *report; @@ -56,7 +55,7 @@ static int hid_sjoyff_play(struct input_dev *dev, void *data, sjoyff->report->field[0]->value[1] = right; sjoyff->report->field[0]->value[2] = left; dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right); - usbhid_submit_report(hid, sjoyff->report, USB_DIR_OUT); + hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT); return 0; } @@ -65,8 +64,7 @@ static int sjoyff_init(struct hid_device *hid) { struct sjoyff_device *sjoyff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct list_head *report_ptr = report_list; @@ -74,51 +72,51 @@ static int sjoyff_init(struct hid_device *hid) int error; if (list_empty(report_list)) { - dev_err(&hid->dev, "no output reports found\n"); + hid_err(hid, "no output reports found\n"); return -ENODEV; } - report_ptr = report_ptr->next; + list_for_each_entry(hidinput, &hid->inputs, list) { + report_ptr = report_ptr->next; - if (report_ptr == report_list) { - dev_err(&hid->dev, "required output report is " - "missing\n"); - return -ENODEV; - } + if (report_ptr == report_list) { + hid_err(hid, "required output report is missing\n"); + return -ENODEV; + } - report = list_entry(report_ptr, struct hid_report, list); - if (report->maxfield < 1) { - dev_err(&hid->dev, "no fields in the report\n"); - return -ENODEV; - } + report = list_entry(report_ptr, struct hid_report, list); + if (report->maxfield < 1) { + hid_err(hid, "no fields in the report\n"); + return -ENODEV; + } - if (report->field[0]->report_count < 3) { - dev_err(&hid->dev, "not enough values in the field\n"); - return -ENODEV; - } + if (report->field[0]->report_count < 3) { + hid_err(hid, "not enough values in the field\n"); + return -ENODEV; + } - sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL); - if (!sjoyff) - return -ENOMEM; + sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL); + if (!sjoyff) + return -ENOMEM; - dev = hidinput->input; + dev = hidinput->input; - set_bit(FF_RUMBLE, dev->ffbit); + set_bit(FF_RUMBLE, dev->ffbit); - error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play); - if (error) { - kfree(sjoyff); - return error; - } + error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play); + if (error) { + kfree(sjoyff); + return error; + } - sjoyff->report = report; - sjoyff->report->field[0]->value[0] = 0x01; - sjoyff->report->field[0]->value[1] = 0x00; - sjoyff->report->field[0]->value[2] = 0x00; - usbhid_submit_report(hid, sjoyff->report, USB_DIR_OUT); + sjoyff->report = report; + sjoyff->report->field[0]->value[0] = 0x01; + sjoyff->report->field[0]->value[1] = 0x00; + sjoyff->report->field[0]->value[2] = 0x00; + hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT); + } - dev_info(&hid->dev, - "Force feedback for SmartJoy PLUS PS2/USB adapter\n"); + hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n"); return 0; } @@ -133,15 +131,17 @@ static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; + hdev->quirks |= id->driver_data; + ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err; } @@ -153,7 +153,19 @@ err: } static const struct hid_device_id sjoy_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO), + .driver_data = HID_QUIRK_NOGET }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO), + .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | + HID_QUIRK_SKIP_OUTPUT_REPORTS }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO), + .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | + HID_QUIRK_SKIP_OUTPUT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD), + .driver_data = HID_QUIRK_MULTI_INPUT | + HID_QUIRK_SKIP_OUTPUT_REPORTS }, { } }; MODULE_DEVICE_TABLE(hid, sjoy_devices); @@ -163,19 +175,8 @@ static struct hid_driver sjoy_driver = { .id_table = sjoy_devices, .probe = sjoy_probe, }; +module_hid_driver(sjoy_driver); -static int __init sjoy_init(void) -{ - return hid_register_driver(&sjoy_driver); -} - -static void __exit sjoy_exit(void) -{ - hid_unregister_driver(&sjoy_driver); -} - -module_init(sjoy_init); -module_exit(sjoy_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jussi Kivilinna"); diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 677bb3da10e..2259eaa8b98 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -1,12 +1,13 @@ /* - * HID driver for some sony "special" devices + * HID driver for Sony / PS2 / PS3 BD devices. * * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby - * Copyright (c) 2006-2008 Jiri Kosina + * Copyright (c) 2012 David Dillow <dave@thedillows.org> + * Copyright (c) 2006-2013 Jiri Kosina + * Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com> */ /* @@ -16,54 +17,1027 @@ * any later version. */ +/* + * NOTE: in order for the Sony PS3 BD Remote Control to be found by + * a Bluetooth host, the key combination Start+Enter has to be kept pressed + * for about 7 seconds with the Bluetooth Host Controller in discovering mode. + * + * There will be no PIN request from the device. + */ + #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/usb.h> +#include <linux/leds.h> +#include <linux/power_supply.h> +#include <linux/spinlock.h> +#include <linux/list.h> +#include <linux/idr.h> +#include <linux/input/mt.h> #include "hid-ids.h" -#define VAIO_RDESC_CONSTANT (1 << 0) -#define SIXAXIS_CONTROLLER_USB (1 << 1) -#define SIXAXIS_CONTROLLER_BT (1 << 2) +#define VAIO_RDESC_CONSTANT BIT(0) +#define SIXAXIS_CONTROLLER_USB BIT(1) +#define SIXAXIS_CONTROLLER_BT BIT(2) +#define BUZZ_CONTROLLER BIT(3) +#define PS3REMOTE BIT(4) +#define DUALSHOCK4_CONTROLLER_USB BIT(5) +#define DUALSHOCK4_CONTROLLER_BT BIT(6) + +#define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT) +#define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\ + DUALSHOCK4_CONTROLLER_BT) +#define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\ + DUALSHOCK4_CONTROLLER) +#define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER) +#define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER) + +#define MAX_LEDS 4 + +static const u8 sixaxis_rdesc_fixup[] = { + 0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C, + 0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF, + 0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02 +}; + +static const u8 sixaxis_rdesc_fixup2[] = { + 0x05, 0x01, 0x09, 0x04, 0xa1, 0x01, 0xa1, 0x02, + 0x85, 0x01, 0x75, 0x08, 0x95, 0x01, 0x15, 0x00, + 0x26, 0xff, 0x00, 0x81, 0x03, 0x75, 0x01, 0x95, + 0x13, 0x15, 0x00, 0x25, 0x01, 0x35, 0x00, 0x45, + 0x01, 0x05, 0x09, 0x19, 0x01, 0x29, 0x13, 0x81, + 0x02, 0x75, 0x01, 0x95, 0x0d, 0x06, 0x00, 0xff, + 0x81, 0x03, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05, + 0x01, 0x09, 0x01, 0xa1, 0x00, 0x75, 0x08, 0x95, + 0x04, 0x35, 0x00, 0x46, 0xff, 0x00, 0x09, 0x30, + 0x09, 0x31, 0x09, 0x32, 0x09, 0x35, 0x81, 0x02, + 0xc0, 0x05, 0x01, 0x95, 0x13, 0x09, 0x01, 0x81, + 0x02, 0x95, 0x0c, 0x81, 0x01, 0x75, 0x10, 0x95, + 0x04, 0x26, 0xff, 0x03, 0x46, 0xff, 0x03, 0x09, + 0x01, 0x81, 0x02, 0xc0, 0xa1, 0x02, 0x85, 0x02, + 0x75, 0x08, 0x95, 0x30, 0x09, 0x01, 0xb1, 0x02, + 0xc0, 0xa1, 0x02, 0x85, 0xee, 0x75, 0x08, 0x95, + 0x30, 0x09, 0x01, 0xb1, 0x02, 0xc0, 0xa1, 0x02, + 0x85, 0xef, 0x75, 0x08, 0x95, 0x30, 0x09, 0x01, + 0xb1, 0x02, 0xc0, 0xc0, +}; + +/* + * The default descriptor doesn't provide mapping for the accelerometers + * or orientation sensors. This fixed descriptor maps the accelerometers + * to usage values 0x40, 0x41 and 0x42 and maps the orientation sensors + * to usage values 0x43, 0x44 and 0x45. + */ +static u8 dualshock4_usb_rdesc[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x05, /* Usage (Gamepad), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x01, /* Report ID (1), */ + 0x09, 0x30, /* Usage (X), */ + 0x09, 0x31, /* Usage (Y), */ + 0x09, 0x32, /* Usage (Z), */ + 0x09, 0x35, /* Usage (Rz), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x39, /* Usage (Hat Switch), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x07, /* Logical Maximum (7), */ + 0x35, 0x00, /* Physical Minimum (0), */ + 0x46, 0x3B, 0x01, /* Physical Maximum (315), */ + 0x65, 0x14, /* Unit (Degrees), */ + 0x75, 0x04, /* Report Size (4), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x42, /* Input (Variable, Null State), */ + 0x65, 0x00, /* Unit, */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x0E, /* Usage Maximum (0Eh), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x0E, /* Report Count (14), */ + 0x81, 0x02, /* Input (Variable), */ + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x20, /* Usage (20h), */ + 0x75, 0x06, /* Report Size (6), */ + 0x95, 0x01, /* Report Count (1), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x7F, /* Logical Maximum (127), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x33, /* Usage (Rx), */ + 0x09, 0x34, /* Usage (Ry), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x21, /* Usage (21h), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x19, 0x40, /* Usage Minimum (40h), */ + 0x29, 0x42, /* Usage Maximum (42h), */ + 0x16, 0x00, 0x80, /* Logical Minimum (-32768), */ + 0x26, 0x00, 0x7F, /* Logical Maximum (32767), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x19, 0x43, /* Usage Minimum (43h), */ + 0x29, 0x45, /* Usage Maximum (45h), */ + 0x16, 0xFF, 0xBF, /* Logical Minimum (-16385), */ + 0x26, 0x00, 0x40, /* Logical Maximum (16384), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x21, /* Usage (21h), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0xFF, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x27, /* Report Count (39), */ + 0x81, 0x02, /* Input (Variable), */ + 0x85, 0x05, /* Report ID (5), */ + 0x09, 0x22, /* Usage (22h), */ + 0x95, 0x1F, /* Report Count (31), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x04, /* Report ID (4), */ + 0x09, 0x23, /* Usage (23h), */ + 0x95, 0x24, /* Report Count (36), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x02, /* Report ID (2), */ + 0x09, 0x24, /* Usage (24h), */ + 0x95, 0x24, /* Report Count (36), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x08, /* Report ID (8), */ + 0x09, 0x25, /* Usage (25h), */ + 0x95, 0x03, /* Report Count (3), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x26, /* Usage (26h), */ + 0x95, 0x04, /* Report Count (4), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x11, /* Report ID (17), */ + 0x09, 0x27, /* Usage (27h), */ + 0x95, 0x02, /* Report Count (2), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x12, /* Report ID (18), */ + 0x06, 0x02, 0xFF, /* Usage Page (FF02h), */ + 0x09, 0x21, /* Usage (21h), */ + 0x95, 0x0F, /* Report Count (15), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x13, /* Report ID (19), */ + 0x09, 0x22, /* Usage (22h), */ + 0x95, 0x16, /* Report Count (22), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x14, /* Report ID (20), */ + 0x06, 0x05, 0xFF, /* Usage Page (FF05h), */ + 0x09, 0x20, /* Usage (20h), */ + 0x95, 0x10, /* Report Count (16), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x15, /* Report ID (21), */ + 0x09, 0x21, /* Usage (21h), */ + 0x95, 0x2C, /* Report Count (44), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x06, 0x80, 0xFF, /* Usage Page (FF80h), */ + 0x85, 0x80, /* Report ID (128), */ + 0x09, 0x20, /* Usage (20h), */ + 0x95, 0x06, /* Report Count (6), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x81, /* Report ID (129), */ + 0x09, 0x21, /* Usage (21h), */ + 0x95, 0x06, /* Report Count (6), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x82, /* Report ID (130), */ + 0x09, 0x22, /* Usage (22h), */ + 0x95, 0x05, /* Report Count (5), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x83, /* Report ID (131), */ + 0x09, 0x23, /* Usage (23h), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x84, /* Report ID (132), */ + 0x09, 0x24, /* Usage (24h), */ + 0x95, 0x04, /* Report Count (4), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x85, /* Report ID (133), */ + 0x09, 0x25, /* Usage (25h), */ + 0x95, 0x06, /* Report Count (6), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x86, /* Report ID (134), */ + 0x09, 0x26, /* Usage (26h), */ + 0x95, 0x06, /* Report Count (6), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x87, /* Report ID (135), */ + 0x09, 0x27, /* Usage (27h), */ + 0x95, 0x23, /* Report Count (35), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x88, /* Report ID (136), */ + 0x09, 0x28, /* Usage (28h), */ + 0x95, 0x22, /* Report Count (34), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x89, /* Report ID (137), */ + 0x09, 0x29, /* Usage (29h), */ + 0x95, 0x02, /* Report Count (2), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x90, /* Report ID (144), */ + 0x09, 0x30, /* Usage (30h), */ + 0x95, 0x05, /* Report Count (5), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x91, /* Report ID (145), */ + 0x09, 0x31, /* Usage (31h), */ + 0x95, 0x03, /* Report Count (3), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x92, /* Report ID (146), */ + 0x09, 0x32, /* Usage (32h), */ + 0x95, 0x03, /* Report Count (3), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x93, /* Report ID (147), */ + 0x09, 0x33, /* Usage (33h), */ + 0x95, 0x0C, /* Report Count (12), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA0, /* Report ID (160), */ + 0x09, 0x40, /* Usage (40h), */ + 0x95, 0x06, /* Report Count (6), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA1, /* Report ID (161), */ + 0x09, 0x41, /* Usage (41h), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA2, /* Report ID (162), */ + 0x09, 0x42, /* Usage (42h), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA3, /* Report ID (163), */ + 0x09, 0x43, /* Usage (43h), */ + 0x95, 0x30, /* Report Count (48), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA4, /* Report ID (164), */ + 0x09, 0x44, /* Usage (44h), */ + 0x95, 0x0D, /* Report Count (13), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA5, /* Report ID (165), */ + 0x09, 0x45, /* Usage (45h), */ + 0x95, 0x15, /* Report Count (21), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA6, /* Report ID (166), */ + 0x09, 0x46, /* Usage (46h), */ + 0x95, 0x15, /* Report Count (21), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xF0, /* Report ID (240), */ + 0x09, 0x47, /* Usage (47h), */ + 0x95, 0x3F, /* Report Count (63), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xF1, /* Report ID (241), */ + 0x09, 0x48, /* Usage (48h), */ + 0x95, 0x3F, /* Report Count (63), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xF2, /* Report ID (242), */ + 0x09, 0x49, /* Usage (49h), */ + 0x95, 0x0F, /* Report Count (15), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA7, /* Report ID (167), */ + 0x09, 0x4A, /* Usage (4Ah), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA8, /* Report ID (168), */ + 0x09, 0x4B, /* Usage (4Bh), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA9, /* Report ID (169), */ + 0x09, 0x4C, /* Usage (4Ch), */ + 0x95, 0x08, /* Report Count (8), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xAA, /* Report ID (170), */ + 0x09, 0x4E, /* Usage (4Eh), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xAB, /* Report ID (171), */ + 0x09, 0x4F, /* Usage (4Fh), */ + 0x95, 0x39, /* Report Count (57), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xAC, /* Report ID (172), */ + 0x09, 0x50, /* Usage (50h), */ + 0x95, 0x39, /* Report Count (57), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xAD, /* Report ID (173), */ + 0x09, 0x51, /* Usage (51h), */ + 0x95, 0x0B, /* Report Count (11), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xAE, /* Report ID (174), */ + 0x09, 0x52, /* Usage (52h), */ + 0x95, 0x01, /* Report Count (1), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xAF, /* Report ID (175), */ + 0x09, 0x53, /* Usage (53h), */ + 0x95, 0x02, /* Report Count (2), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xB0, /* Report ID (176), */ + 0x09, 0x54, /* Usage (54h), */ + 0x95, 0x3F, /* Report Count (63), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0xC0 /* End Collection */ +}; + +/* + * The default behavior of the Dualshock 4 is to send reports using report + * type 1 when running over Bluetooth. However, as soon as it receives a + * report of type 17 to set the LEDs or rumble it starts returning it's state + * in report 17 instead of 1. Since report 17 is undefined in the default HID + * descriptor the button and axis definitions must be moved to report 17 or + * the HID layer won't process the received input once a report is sent. + */ +static u8 dualshock4_bt_rdesc[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x05, /* Usage (Gamepad), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x01, /* Report ID (1), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x0A, /* Report Count (9), */ + 0x81, 0x02, /* Input (Variable), */ + 0x06, 0x04, 0xFF, /* Usage Page (FF04h), */ + 0x85, 0x02, /* Report ID (2), */ + 0x09, 0x24, /* Usage (24h), */ + 0x95, 0x24, /* Report Count (36), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA3, /* Report ID (163), */ + 0x09, 0x25, /* Usage (25h), */ + 0x95, 0x30, /* Report Count (48), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x05, /* Report ID (5), */ + 0x09, 0x26, /* Usage (26h), */ + 0x95, 0x28, /* Report Count (40), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x06, /* Report ID (6), */ + 0x09, 0x27, /* Usage (27h), */ + 0x95, 0x34, /* Report Count (52), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x07, /* Report ID (7), */ + 0x09, 0x28, /* Usage (28h), */ + 0x95, 0x30, /* Report Count (48), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x08, /* Report ID (8), */ + 0x09, 0x29, /* Usage (29h), */ + 0x95, 0x2F, /* Report Count (47), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x06, 0x03, 0xFF, /* Usage Page (FF03h), */ + 0x85, 0x03, /* Report ID (3), */ + 0x09, 0x21, /* Usage (21h), */ + 0x95, 0x26, /* Report Count (38), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x04, /* Report ID (4), */ + 0x09, 0x22, /* Usage (22h), */ + 0x95, 0x2E, /* Report Count (46), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xF0, /* Report ID (240), */ + 0x09, 0x47, /* Usage (47h), */ + 0x95, 0x3F, /* Report Count (63), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xF1, /* Report ID (241), */ + 0x09, 0x48, /* Usage (48h), */ + 0x95, 0x3F, /* Report Count (63), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xF2, /* Report ID (242), */ + 0x09, 0x49, /* Usage (49h), */ + 0x95, 0x0F, /* Report Count (15), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x11, /* Report ID (17), */ + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x20, /* Usage (20h), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x30, /* Usage (X), */ + 0x09, 0x31, /* Usage (Y), */ + 0x09, 0x32, /* Usage (Z), */ + 0x09, 0x35, /* Usage (Rz), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x39, /* Usage (Hat Switch), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x07, /* Logical Maximum (7), */ + 0x75, 0x04, /* Report Size (4), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x42, /* Input (Variable, Null State), */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x0E, /* Usage Maximum (0Eh), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x0E, /* Report Count (14), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x06, /* Report Size (6), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x01, /* Input (Constant), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x33, /* Usage (Rx), */ + 0x09, 0x34, /* Usage (Ry), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x20, /* Usage (20h), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x19, 0x40, /* Usage Minimum (40h), */ + 0x29, 0x42, /* Usage Maximum (42h), */ + 0x16, 0x00, 0x80, /* Logical Minimum (-32768), */ + 0x26, 0x00, 0x7F, /* Logical Maximum (32767), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x19, 0x43, /* Usage Minimum (43h), */ + 0x29, 0x45, /* Usage Maximum (45h), */ + 0x16, 0xFF, 0xBF, /* Logical Minimum (-16385), */ + 0x26, 0x00, 0x40, /* Logical Maximum (16384), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ + 0x09, 0x20, /* Usage (20h), */ + 0x15, 0x00, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x31, /* Report Count (51), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x21, /* Usage (21h), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x4D, /* Report Count (77), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x12, /* Report ID (18), */ + 0x09, 0x22, /* Usage (22h), */ + 0x95, 0x8D, /* Report Count (141), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x23, /* Usage (23h), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x13, /* Report ID (19), */ + 0x09, 0x24, /* Usage (24h), */ + 0x95, 0xCD, /* Report Count (205), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x25, /* Usage (25h), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x14, /* Report ID (20), */ + 0x09, 0x26, /* Usage (26h), */ + 0x96, 0x0D, 0x01, /* Report Count (269), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x27, /* Usage (27h), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x15, /* Report ID (21), */ + 0x09, 0x28, /* Usage (28h), */ + 0x96, 0x4D, 0x01, /* Report Count (333), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x29, /* Usage (29h), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x16, /* Report ID (22), */ + 0x09, 0x2A, /* Usage (2Ah), */ + 0x96, 0x8D, 0x01, /* Report Count (397), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x2B, /* Usage (2Bh), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x17, /* Report ID (23), */ + 0x09, 0x2C, /* Usage (2Ch), */ + 0x96, 0xCD, 0x01, /* Report Count (461), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x2D, /* Usage (2Dh), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x18, /* Report ID (24), */ + 0x09, 0x2E, /* Usage (2Eh), */ + 0x96, 0x0D, 0x02, /* Report Count (525), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x2F, /* Usage (2Fh), */ + 0x91, 0x02, /* Output (Variable), */ + 0x85, 0x19, /* Report ID (25), */ + 0x09, 0x30, /* Usage (30h), */ + 0x96, 0x22, 0x02, /* Report Count (546), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (31h), */ + 0x91, 0x02, /* Output (Variable), */ + 0x06, 0x80, 0xFF, /* Usage Page (FF80h), */ + 0x85, 0x82, /* Report ID (130), */ + 0x09, 0x22, /* Usage (22h), */ + 0x95, 0x3F, /* Report Count (63), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x83, /* Report ID (131), */ + 0x09, 0x23, /* Usage (23h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x84, /* Report ID (132), */ + 0x09, 0x24, /* Usage (24h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x90, /* Report ID (144), */ + 0x09, 0x30, /* Usage (30h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x91, /* Report ID (145), */ + 0x09, 0x31, /* Usage (31h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x92, /* Report ID (146), */ + 0x09, 0x32, /* Usage (32h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0x93, /* Report ID (147), */ + 0x09, 0x33, /* Usage (33h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA0, /* Report ID (160), */ + 0x09, 0x40, /* Usage (40h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0x85, 0xA4, /* Report ID (164), */ + 0x09, 0x44, /* Usage (44h), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0xC0 /* End Collection */ +}; + +static __u8 ps3remote_rdesc[] = { + 0x05, 0x01, /* GUsagePage Generic Desktop */ + 0x09, 0x05, /* LUsage 0x05 [Game Pad] */ + 0xA1, 0x01, /* MCollection Application (mouse, keyboard) */ + + /* Use collection 1 for joypad buttons */ + 0xA1, 0x02, /* MCollection Logical (interrelated data) */ + + /* Ignore the 1st byte, maybe it is used for a controller + * number but it's not needed for correct operation */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x01, /* GReportCount 0x01 [1] */ + 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */ + + /* Bytes from 2nd to 4th are a bitmap for joypad buttons, for these + * buttons multiple keypresses are allowed */ + 0x05, 0x09, /* GUsagePage Button */ + 0x19, 0x01, /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */ + 0x29, 0x18, /* LUsageMaximum 0x18 [Button 24] */ + 0x14, /* GLogicalMinimum [0] */ + 0x25, 0x01, /* GLogicalMaximum 0x01 [1] */ + 0x75, 0x01, /* GReportSize 0x01 [1] */ + 0x95, 0x18, /* GReportCount 0x18 [24] */ + 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */ + + 0xC0, /* MEndCollection */ + + /* Use collection 2 for remote control buttons */ + 0xA1, 0x02, /* MCollection Logical (interrelated data) */ + + /* 5th byte is used for remote control buttons */ + 0x05, 0x09, /* GUsagePage Button */ + 0x18, /* LUsageMinimum [No button pressed] */ + 0x29, 0xFE, /* LUsageMaximum 0xFE [Button 254] */ + 0x14, /* GLogicalMinimum [0] */ + 0x26, 0xFE, 0x00, /* GLogicalMaximum 0x00FE [254] */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x01, /* GReportCount 0x01 [1] */ + 0x80, /* MInput */ + + /* Ignore bytes from 6th to 11th, 6th to 10th are always constant at + * 0xff and 11th is for press indication */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x06, /* GReportCount 0x06 [6] */ + 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */ + + /* 12th byte is for battery strength */ + 0x05, 0x06, /* GUsagePage Generic Device Controls */ + 0x09, 0x20, /* LUsage 0x20 [Battery Strength] */ + 0x14, /* GLogicalMinimum [0] */ + 0x25, 0x05, /* GLogicalMaximum 0x05 [5] */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x01, /* GReportCount 0x01 [1] */ + 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */ + + 0xC0, /* MEndCollection */ + + 0xC0 /* MEndCollection [Game Pad] */ +}; + +static const unsigned int ps3remote_keymap_joypad_buttons[] = { + [0x01] = KEY_SELECT, + [0x02] = BTN_THUMBL, /* L3 */ + [0x03] = BTN_THUMBR, /* R3 */ + [0x04] = BTN_START, + [0x05] = KEY_UP, + [0x06] = KEY_RIGHT, + [0x07] = KEY_DOWN, + [0x08] = KEY_LEFT, + [0x09] = BTN_TL2, /* L2 */ + [0x0a] = BTN_TR2, /* R2 */ + [0x0b] = BTN_TL, /* L1 */ + [0x0c] = BTN_TR, /* R1 */ + [0x0d] = KEY_OPTION, /* options/triangle */ + [0x0e] = KEY_BACK, /* back/circle */ + [0x0f] = BTN_0, /* cross */ + [0x10] = KEY_SCREEN, /* view/square */ + [0x11] = KEY_HOMEPAGE, /* PS button */ + [0x14] = KEY_ENTER, +}; +static const unsigned int ps3remote_keymap_remote_buttons[] = { + [0x00] = KEY_1, + [0x01] = KEY_2, + [0x02] = KEY_3, + [0x03] = KEY_4, + [0x04] = KEY_5, + [0x05] = KEY_6, + [0x06] = KEY_7, + [0x07] = KEY_8, + [0x08] = KEY_9, + [0x09] = KEY_0, + [0x0e] = KEY_ESC, /* return */ + [0x0f] = KEY_CLEAR, + [0x16] = KEY_EJECTCD, + [0x1a] = KEY_MENU, /* top menu */ + [0x28] = KEY_TIME, + [0x30] = KEY_PREVIOUS, + [0x31] = KEY_NEXT, + [0x32] = KEY_PLAY, + [0x33] = KEY_REWIND, /* scan back */ + [0x34] = KEY_FORWARD, /* scan forward */ + [0x38] = KEY_STOP, + [0x39] = KEY_PAUSE, + [0x40] = KEY_CONTEXT_MENU, /* pop up/menu */ + [0x60] = KEY_FRAMEBACK, /* slow/step back */ + [0x61] = KEY_FRAMEFORWARD, /* slow/step forward */ + [0x63] = KEY_SUBTITLE, + [0x64] = KEY_AUDIO, + [0x65] = KEY_ANGLE, + [0x70] = KEY_INFO, /* display */ + [0x80] = KEY_BLUE, + [0x81] = KEY_RED, + [0x82] = KEY_GREEN, + [0x83] = KEY_YELLOW, +}; + +static const unsigned int buzz_keymap[] = { + /* + * The controller has 4 remote buzzers, each with one LED and 5 + * buttons. + * + * We use the mapping chosen by the controller, which is: + * + * Key Offset + * ------------------- + * Buzz 1 + * Blue 5 + * Orange 4 + * Green 3 + * Yellow 2 + * + * So, for example, the orange button on the third buzzer is mapped to + * BTN_TRIGGER_HAPPY14 + */ + [ 1] = BTN_TRIGGER_HAPPY1, + [ 2] = BTN_TRIGGER_HAPPY2, + [ 3] = BTN_TRIGGER_HAPPY3, + [ 4] = BTN_TRIGGER_HAPPY4, + [ 5] = BTN_TRIGGER_HAPPY5, + [ 6] = BTN_TRIGGER_HAPPY6, + [ 7] = BTN_TRIGGER_HAPPY7, + [ 8] = BTN_TRIGGER_HAPPY8, + [ 9] = BTN_TRIGGER_HAPPY9, + [10] = BTN_TRIGGER_HAPPY10, + [11] = BTN_TRIGGER_HAPPY11, + [12] = BTN_TRIGGER_HAPPY12, + [13] = BTN_TRIGGER_HAPPY13, + [14] = BTN_TRIGGER_HAPPY14, + [15] = BTN_TRIGGER_HAPPY15, + [16] = BTN_TRIGGER_HAPPY16, + [17] = BTN_TRIGGER_HAPPY17, + [18] = BTN_TRIGGER_HAPPY18, + [19] = BTN_TRIGGER_HAPPY19, + [20] = BTN_TRIGGER_HAPPY20, +}; + +static enum power_supply_property sony_battery_props[] = { + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_STATUS, +}; + +struct sixaxis_led { + __u8 time_enabled; /* the total time the led is active (0xff means forever) */ + __u8 duty_length; /* how long a cycle is in deciseconds (0 means "really fast") */ + __u8 enabled; + __u8 duty_off; /* % of duty_length the led is off (0xff means 100%) */ + __u8 duty_on; /* % of duty_length the led is on (0xff mean 100%) */ +} __packed; + +struct sixaxis_rumble { + __u8 padding; + __u8 right_duration; /* Right motor duration (0xff means forever) */ + __u8 right_motor_on; /* Right (small) motor on/off, only supports values of 0 or 1 (off/on) */ + __u8 left_duration; /* Left motor duration (0xff means forever) */ + __u8 left_motor_force; /* left (large) motor, supports force values from 0 to 255 */ +} __packed; + +struct sixaxis_output_report { + __u8 report_id; + struct sixaxis_rumble rumble; + __u8 padding[4]; + __u8 leds_bitmap; /* bitmap of enabled LEDs: LED_1 = 0x02, LED_2 = 0x04, ... */ + struct sixaxis_led led[4]; /* LEDx at (4 - x) */ + struct sixaxis_led _reserved; /* LED5, not actually soldered */ +} __packed; + +union sixaxis_output_report_01 { + struct sixaxis_output_report data; + __u8 buf[36]; +}; + +static spinlock_t sony_dev_list_lock; +static LIST_HEAD(sony_device_list); +static DEFINE_IDA(sony_device_id_allocator); struct sony_sc { + spinlock_t lock; + struct list_head list_node; + struct hid_device *hdev; + struct led_classdev *leds[MAX_LEDS]; unsigned long quirks; + struct work_struct state_worker; + struct power_supply battery; + int device_id; + +#ifdef CONFIG_SONY_FF + __u8 left; + __u8 right; +#endif + + __u8 mac_address[6]; + __u8 worker_initialized; + __u8 cable_state; + __u8 battery_charging; + __u8 battery_capacity; + __u8 led_state[MAX_LEDS]; + __u8 led_delay_on[MAX_LEDS]; + __u8 led_delay_off[MAX_LEDS]; + __u8 led_count; }; +static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + *rsize = sizeof(ps3remote_rdesc); + return ps3remote_rdesc; +} + +static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned int key = usage->hid & HID_USAGE; + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON) + return -1; + + switch (usage->collection_index) { + case 1: + if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons)) + return -1; + + key = ps3remote_keymap_joypad_buttons[key]; + if (!key) + return -1; + break; + case 2: + if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons)) + return -1; + + key = ps3remote_keymap_remote_buttons[key]; + if (!key) + return -1; + break; + default: + return -1; + } + + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); + return 1; +} + + /* Sony Vaio VGX has wrongly mouse pointer declared as constant */ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { struct sony_sc *sc = hid_get_drvdata(hdev); - if ((sc->quirks & VAIO_RDESC_CONSTANT) && - *rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { - dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report " - "descriptor\n"); + /* + * Some Sony RF receivers wrongly declare the mouse pointer as a + * a constant non-data variable. + */ + if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 && + /* usage page: generic desktop controls */ + /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */ + /* usage: mouse */ + rdesc[2] == 0x09 && rdesc[3] == 0x02 && + /* input (usage page for x,y axes): constant, variable, relative */ + rdesc[54] == 0x81 && rdesc[55] == 0x07) { + hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n"); + /* input: data, variable, relative */ rdesc[55] = 0x06; } + + /* + * The default Dualshock 4 USB descriptor doesn't assign + * the gyroscope values to corresponding axes so we need a + * modified one. + */ + if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && *rsize == 467) { + hid_info(hdev, "Using modified Dualshock 4 report descriptor with gyroscope axes\n"); + rdesc = dualshock4_usb_rdesc; + *rsize = sizeof(dualshock4_usb_rdesc); + } else if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && *rsize == 357) { + hid_info(hdev, "Using modified Dualshock 4 Bluetooth report descriptor\n"); + rdesc = dualshock4_bt_rdesc; + *rsize = sizeof(dualshock4_bt_rdesc); + } + + /* The HID descriptor exposed over BT has a trailing zero byte */ + if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) || + ((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) && + rdesc[83] == 0x75) { + hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n"); + memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup, + sizeof(sixaxis_rdesc_fixup)); + } else if (sc->quirks & SIXAXIS_CONTROLLER_USB && + *rsize > sizeof(sixaxis_rdesc_fixup2)) { + hid_info(hdev, "Sony Sixaxis clone detected. Using original report descriptor (size: %d clone; %d new)\n", + *rsize, (int)sizeof(sixaxis_rdesc_fixup2)); + *rsize = sizeof(sixaxis_rdesc_fixup2); + memcpy(rdesc, &sixaxis_rdesc_fixup2, *rsize); + } + + if (sc->quirks & PS3REMOTE) + return ps3remote_fixup(hdev, rdesc, rsize); + return rdesc; } -static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, - size_t count, unsigned char report_type) +static void sixaxis_parse_report(struct sony_sc *sc, __u8 *rd, int size) { - struct usb_interface *intf = to_usb_interface(hid->dev.parent); - struct usb_device *dev = interface_to_usbdev(intf); - struct usb_host_interface *interface = intf->cur_altsetting; - int report_id = buf[0]; - int ret; + static const __u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 }; + unsigned long flags; + __u8 cable_state, battery_capacity, battery_charging; - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - HID_REQ_SET_REPORT, - USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - ((report_type + 1) << 8) | report_id, - interface->desc.bInterfaceNumber, buf, count, - USB_CTRL_SET_TIMEOUT); + /* + * The sixaxis is charging if the battery value is 0xee + * and it is fully charged if the value is 0xef. + * It does not report the actual level while charging so it + * is set to 100% while charging is in progress. + */ + if (rd[30] >= 0xee) { + battery_capacity = 100; + battery_charging = !(rd[30] & 0x01); + } else { + __u8 index = rd[30] <= 5 ? rd[30] : 5; + battery_capacity = sixaxis_battery_capacity[index]; + battery_charging = 0; + } + cable_state = !(rd[31] & 0x04); - return ret; + spin_lock_irqsave(&sc->lock, flags); + sc->cable_state = cable_state; + sc->battery_capacity = battery_capacity; + sc->battery_charging = battery_charging; + spin_unlock_irqrestore(&sc->lock, flags); +} + +static void dualshock4_parse_report(struct sony_sc *sc, __u8 *rd, int size) +{ + struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, + struct hid_input, list); + struct input_dev *input_dev = hidinput->input; + unsigned long flags; + int n, offset; + __u8 cable_state, battery_capacity, battery_charging; + + /* + * Battery and touchpad data starts at byte 30 in the USB report and + * 32 in Bluetooth report. + */ + offset = (sc->quirks & DUALSHOCK4_CONTROLLER_USB) ? 30 : 32; + + /* + * The lower 4 bits of byte 30 contain the battery level + * and the 5th bit contains the USB cable state. + */ + cable_state = (rd[offset] >> 4) & 0x01; + battery_capacity = rd[offset] & 0x0F; + + /* + * When a USB power source is connected the battery level ranges from + * 0 to 10, and when running on battery power it ranges from 0 to 9. + * A battery level above 10 when plugged in means charge completed. + */ + if (!cable_state || battery_capacity > 10) + battery_charging = 0; + else + battery_charging = 1; + + if (!cable_state) + battery_capacity++; + if (battery_capacity > 10) + battery_capacity = 10; + + battery_capacity *= 10; + + spin_lock_irqsave(&sc->lock, flags); + sc->cable_state = cable_state; + sc->battery_capacity = battery_capacity; + sc->battery_charging = battery_charging; + spin_unlock_irqrestore(&sc->lock, flags); + + offset += 5; + + /* + * The Dualshock 4 multi-touch trackpad data starts at offset 35 on USB + * and 37 on Bluetooth. + * The first 7 bits of the first byte is a counter and bit 8 is a touch + * indicator that is 0 when pressed and 1 when not pressed. + * The next 3 bytes are two 12 bit touch coordinates, X and Y. + * The data for the second touch is in the same format and immediatly + * follows the data for the first. + */ + for (n = 0; n < 2; n++) { + __u16 x, y; + + x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8); + y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4); + + input_mt_slot(input_dev, n); + input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, + !(rd[offset] >> 7)); + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); + + offset += 4; + } +} + +static int sony_raw_event(struct hid_device *hdev, struct hid_report *report, + __u8 *rd, int size) +{ + struct sony_sc *sc = hid_get_drvdata(hdev); + + /* + * Sixaxis HID report has acclerometers/gyro with MSByte first, this + * has to be BYTE_SWAPPED before passing up to joystick interface + */ + if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) { + swap(rd[41], rd[42]); + swap(rd[43], rd[44]); + swap(rd[45], rd[46]); + swap(rd[47], rd[48]); + + sixaxis_parse_report(sc, rd, size); + } else if (((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 && + size == 64) || ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) + && rd[0] == 0x11 && size == 78)) { + dualshock4_parse_report(sc, rd, size); + } + + return 0; +} + +static int sony_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct sony_sc *sc = hid_get_drvdata(hdev); + + if (sc->quirks & BUZZ_CONTROLLER) { + unsigned int key = usage->hid & HID_USAGE; + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON) + return -1; + + switch (usage->collection_index) { + case 1: + if (key >= ARRAY_SIZE(buzz_keymap)) + return -1; + + key = buzz_keymap[key]; + if (!key) + return -1; + break; + default: + return -1; + } + + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); + return 1; + } + + if (sc->quirks & PS3REMOTE) + return ps3remote_mapping(hdev, hi, field, usage, bit, max); + + /* Let hid-core decide for the others */ + return 0; } /* @@ -73,23 +1047,17 @@ static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, */ static int sixaxis_set_operational_usb(struct hid_device *hdev) { - struct usb_interface *intf = to_usb_interface(hdev->dev.parent); - struct usb_device *dev = interface_to_usbdev(intf); - __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; int ret; char *buf = kmalloc(18, GFP_KERNEL); if (!buf) return -ENOMEM; - ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - HID_REQ_GET_REPORT, - USB_DIR_IN | USB_TYPE_CLASS | - USB_RECIP_INTERFACE, - (3 << 8) | 0xf2, ifnum, buf, 17, - USB_CTRL_GET_TIMEOUT); + ret = hid_hw_raw_request(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT, + HID_REQ_GET_REPORT); + if (ret < 0) - dev_err(&hdev->dev, "can't set operational mode\n"); + hid_err(hdev, "can't set operational mode\n"); kfree(buf); @@ -99,7 +1067,742 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev) static int sixaxis_set_operational_bt(struct hid_device *hdev) { unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 }; - return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); + return hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); +} + +/* + * Requesting feature report 0x02 in Bluetooth mode changes the state of the + * controller so that it sends full input reports of type 0x11. + */ +static int dualshock4_set_operational_bt(struct hid_device *hdev) +{ + __u8 buf[37] = { 0 }; + + return hid_hw_raw_request(hdev, 0x02, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); +} + +static void sixaxis_set_leds_from_id(int id, __u8 values[MAX_LEDS]) +{ + static const __u8 sixaxis_leds[10][4] = { + { 0x01, 0x00, 0x00, 0x00 }, + { 0x00, 0x01, 0x00, 0x00 }, + { 0x00, 0x00, 0x01, 0x00 }, + { 0x00, 0x00, 0x00, 0x01 }, + { 0x01, 0x00, 0x00, 0x01 }, + { 0x00, 0x01, 0x00, 0x01 }, + { 0x00, 0x00, 0x01, 0x01 }, + { 0x01, 0x00, 0x01, 0x01 }, + { 0x00, 0x01, 0x01, 0x01 }, + { 0x01, 0x01, 0x01, 0x01 } + }; + + BUG_ON(MAX_LEDS < ARRAY_SIZE(sixaxis_leds[0])); + + if (id < 0) + return; + + id %= 10; + memcpy(values, sixaxis_leds[id], sizeof(sixaxis_leds[id])); +} + +static void dualshock4_set_leds_from_id(int id, __u8 values[MAX_LEDS]) +{ + /* The first 4 color/index entries match what the PS4 assigns */ + static const __u8 color_code[7][3] = { + /* Blue */ { 0x00, 0x00, 0x01 }, + /* Red */ { 0x01, 0x00, 0x00 }, + /* Green */ { 0x00, 0x01, 0x00 }, + /* Pink */ { 0x02, 0x00, 0x01 }, + /* Orange */ { 0x02, 0x01, 0x00 }, + /* Teal */ { 0x00, 0x01, 0x01 }, + /* White */ { 0x01, 0x01, 0x01 } + }; + + BUG_ON(MAX_LEDS < ARRAY_SIZE(color_code[0])); + + if (id < 0) + return; + + id %= 7; + memcpy(values, color_code[id], sizeof(color_code[id])); +} + +static void buzz_set_leds(struct hid_device *hdev, const __u8 *leds) +{ + struct list_head *report_list = + &hdev->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, + struct hid_report, list); + __s32 *value = report->field[0]->value; + + value[0] = 0x00; + value[1] = leds[0] ? 0xff : 0x00; + value[2] = leds[1] ? 0xff : 0x00; + value[3] = leds[2] ? 0xff : 0x00; + value[4] = leds[3] ? 0xff : 0x00; + value[5] = 0x00; + value[6] = 0x00; + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); +} + +static void sony_set_leds(struct sony_sc *sc, const __u8 *leds, int count) +{ + int n; + + BUG_ON(count > MAX_LEDS); + + if (sc->quirks & BUZZ_CONTROLLER && count == 4) { + buzz_set_leds(sc->hdev, leds); + } else { + for (n = 0; n < count; n++) + sc->led_state[n] = leds[n]; + schedule_work(&sc->state_worker); + } +} + +static void sony_led_set_brightness(struct led_classdev *led, + enum led_brightness value) +{ + struct device *dev = led->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct sony_sc *drv_data; + + int n; + int force_update; + + drv_data = hid_get_drvdata(hdev); + if (!drv_data) { + hid_err(hdev, "No device data\n"); + return; + } + + /* + * The Sixaxis on USB will override any LED settings sent to it + * and keep flashing all of the LEDs until the PS button is pressed. + * Updates, even if redundant, must be always be sent to the + * controller to avoid having to toggle the state of an LED just to + * stop the flashing later on. + */ + force_update = !!(drv_data->quirks & SIXAXIS_CONTROLLER_USB); + + for (n = 0; n < drv_data->led_count; n++) { + if (led == drv_data->leds[n] && (force_update || + (value != drv_data->led_state[n] || + drv_data->led_delay_on[n] || + drv_data->led_delay_off[n]))) { + + drv_data->led_state[n] = value; + + /* Setting the brightness stops the blinking */ + drv_data->led_delay_on[n] = 0; + drv_data->led_delay_off[n] = 0; + + sony_set_leds(drv_data, drv_data->led_state, + drv_data->led_count); + break; + } + } +} + +static enum led_brightness sony_led_get_brightness(struct led_classdev *led) +{ + struct device *dev = led->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct sony_sc *drv_data; + + int n; + + drv_data = hid_get_drvdata(hdev); + if (!drv_data) { + hid_err(hdev, "No device data\n"); + return LED_OFF; + } + + for (n = 0; n < drv_data->led_count; n++) { + if (led == drv_data->leds[n]) + return drv_data->led_state[n]; + } + + return LED_OFF; +} + +static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on, + unsigned long *delay_off) +{ + struct device *dev = led->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct sony_sc *drv_data = hid_get_drvdata(hdev); + int n; + __u8 new_on, new_off; + + if (!drv_data) { + hid_err(hdev, "No device data\n"); + return -EINVAL; + } + + /* Max delay is 255 deciseconds or 2550 milliseconds */ + if (*delay_on > 2550) + *delay_on = 2550; + if (*delay_off > 2550) + *delay_off = 2550; + + /* Blink at 1 Hz if both values are zero */ + if (!*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + new_on = *delay_on / 10; + new_off = *delay_off / 10; + + for (n = 0; n < drv_data->led_count; n++) { + if (led == drv_data->leds[n]) + break; + } + + /* This LED is not registered on this device */ + if (n >= drv_data->led_count) + return -EINVAL; + + /* Don't schedule work if the values didn't change */ + if (new_on != drv_data->led_delay_on[n] || + new_off != drv_data->led_delay_off[n]) { + drv_data->led_delay_on[n] = new_on; + drv_data->led_delay_off[n] = new_off; + schedule_work(&drv_data->state_worker); + } + + return 0; +} + +static void sony_leds_remove(struct sony_sc *sc) +{ + struct led_classdev *led; + int n; + + BUG_ON(!(sc->quirks & SONY_LED_SUPPORT)); + + for (n = 0; n < sc->led_count; n++) { + led = sc->leds[n]; + sc->leds[n] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + + sc->led_count = 0; +} + +static int sony_leds_init(struct sony_sc *sc) +{ + struct hid_device *hdev = sc->hdev; + int n, ret = 0; + int use_ds4_names; + struct led_classdev *led; + size_t name_sz; + char *name; + size_t name_len; + const char *name_fmt; + static const char * const ds4_name_str[] = { "red", "green", "blue", + "global" }; + __u8 initial_values[MAX_LEDS] = { 0 }; + __u8 max_brightness[MAX_LEDS] = { 1 }; + __u8 use_hw_blink[MAX_LEDS] = { 0 }; + + BUG_ON(!(sc->quirks & SONY_LED_SUPPORT)); + + if (sc->quirks & BUZZ_CONTROLLER) { + sc->led_count = 4; + use_ds4_names = 0; + name_len = strlen("::buzz#"); + name_fmt = "%s::buzz%d"; + /* Validate expected report characteristics. */ + if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7)) + return -ENODEV; + } else if (sc->quirks & DUALSHOCK4_CONTROLLER) { + dualshock4_set_leds_from_id(sc->device_id, initial_values); + initial_values[3] = 1; + sc->led_count = 4; + memset(max_brightness, 255, 3); + use_hw_blink[3] = 1; + use_ds4_names = 1; + name_len = 0; + name_fmt = "%s:%s"; + } else { + sixaxis_set_leds_from_id(sc->device_id, initial_values); + sc->led_count = 4; + memset(use_hw_blink, 1, 4); + use_ds4_names = 0; + name_len = strlen("::sony#"); + name_fmt = "%s::sony%d"; + } + + /* + * Clear LEDs as we have no way of reading their initial state. This is + * only relevant if the driver is loaded after somebody actively set the + * LEDs to on + */ + sony_set_leds(sc, initial_values, sc->led_count); + + name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1; + + for (n = 0; n < sc->led_count; n++) { + + if (use_ds4_names) + name_sz = strlen(dev_name(&hdev->dev)) + strlen(ds4_name_str[n]) + 2; + + led = kzalloc(sizeof(struct led_classdev) + name_sz, GFP_KERNEL); + if (!led) { + hid_err(hdev, "Couldn't allocate memory for LED %d\n", n); + ret = -ENOMEM; + goto error_leds; + } + + name = (void *)(&led[1]); + if (use_ds4_names) + snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), + ds4_name_str[n]); + else + snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1); + led->name = name; + led->brightness = initial_values[n]; + led->max_brightness = max_brightness[n]; + led->brightness_get = sony_led_get_brightness; + led->brightness_set = sony_led_set_brightness; + + if (use_hw_blink[n]) + led->blink_set = sony_led_blink_set; + + sc->leds[n] = led; + + ret = led_classdev_register(&hdev->dev, led); + if (ret) { + hid_err(hdev, "Failed to register LED %d\n", n); + sc->leds[n] = NULL; + kfree(led); + goto error_leds; + } + } + + return ret; + +error_leds: + sony_leds_remove(sc); + + return ret; +} + +static void sixaxis_state_worker(struct work_struct *work) +{ + struct sony_sc *sc = container_of(work, struct sony_sc, state_worker); + int n; + union sixaxis_output_report_01 report = { + .buf = { + 0x01, + 0x00, 0xff, 0x00, 0xff, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0x27, 0x10, 0x00, 0x32, + 0xff, 0x27, 0x10, 0x00, 0x32, + 0xff, 0x27, 0x10, 0x00, 0x32, + 0xff, 0x27, 0x10, 0x00, 0x32, + 0x00, 0x00, 0x00, 0x00, 0x00 + } + }; + +#ifdef CONFIG_SONY_FF + report.data.rumble.right_motor_on = sc->right ? 1 : 0; + report.data.rumble.left_motor_force = sc->left; +#endif + + report.data.leds_bitmap |= sc->led_state[0] << 1; + report.data.leds_bitmap |= sc->led_state[1] << 2; + report.data.leds_bitmap |= sc->led_state[2] << 3; + report.data.leds_bitmap |= sc->led_state[3] << 4; + + /* Set flag for all leds off, required for 3rd party INTEC controller */ + if ((report.data.leds_bitmap & 0x1E) == 0) + report.data.leds_bitmap |= 0x20; + + /* + * The LEDs in the report are indexed in reverse order to their + * corresponding light on the controller. + * Index 0 = LED 4, index 1 = LED 3, etc... + * + * In the case of both delay values being zero (blinking disabled) the + * default report values should be used or the controller LED will be + * always off. + */ + for (n = 0; n < 4; n++) { + if (sc->led_delay_on[n] || sc->led_delay_off[n]) { + report.data.led[3 - n].duty_off = sc->led_delay_off[n]; + report.data.led[3 - n].duty_on = sc->led_delay_on[n]; + } + } + + hid_hw_raw_request(sc->hdev, report.data.report_id, report.buf, + sizeof(report), HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); +} + +static void dualshock4_state_worker(struct work_struct *work) +{ + struct sony_sc *sc = container_of(work, struct sony_sc, state_worker); + struct hid_device *hdev = sc->hdev; + int offset; + + __u8 buf[78] = { 0 }; + + if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) { + buf[0] = 0x05; + buf[1] = 0xFF; + offset = 4; + } else { + buf[0] = 0x11; + buf[1] = 0xB0; + buf[3] = 0x0F; + offset = 6; + } + +#ifdef CONFIG_SONY_FF + buf[offset++] = sc->right; + buf[offset++] = sc->left; +#else + offset += 2; +#endif + + /* LED 3 is the global control */ + if (sc->led_state[3]) { + buf[offset++] = sc->led_state[0]; + buf[offset++] = sc->led_state[1]; + buf[offset++] = sc->led_state[2]; + } else { + offset += 3; + } + + /* If both delay values are zero the DualShock 4 disables blinking. */ + buf[offset++] = sc->led_delay_on[3]; + buf[offset++] = sc->led_delay_off[3]; + + if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) + hid_hw_output_report(hdev, buf, 32); + else + hid_hw_raw_request(hdev, 0x11, buf, 78, + HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); +} + +#ifdef CONFIG_SONY_FF +static int sony_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct sony_sc *sc = hid_get_drvdata(hid); + + if (effect->type != FF_RUMBLE) + return 0; + + sc->left = effect->u.rumble.strong_magnitude / 256; + sc->right = effect->u.rumble.weak_magnitude / 256; + + schedule_work(&sc->state_worker); + return 0; +} + +static int sony_init_ff(struct sony_sc *sc) +{ + struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, + struct hid_input, list); + struct input_dev *input_dev = hidinput->input; + + input_set_capability(input_dev, EV_FF, FF_RUMBLE); + return input_ff_create_memless(input_dev, NULL, sony_play_effect); +} + +#else +static int sony_init_ff(struct sony_sc *sc) +{ + return 0; +} + +#endif + +static int sony_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct sony_sc *sc = container_of(psy, struct sony_sc, battery); + unsigned long flags; + int ret = 0; + u8 battery_charging, battery_capacity, cable_state; + + spin_lock_irqsave(&sc->lock, flags); + battery_charging = sc->battery_charging; + battery_capacity = sc->battery_capacity; + cable_state = sc->cable_state; + spin_unlock_irqrestore(&sc->lock, flags); + + switch (psp) { + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = battery_capacity; + break; + case POWER_SUPPLY_PROP_STATUS: + if (battery_charging) + val->intval = POWER_SUPPLY_STATUS_CHARGING; + else + if (battery_capacity == 100 && cable_state) + val->intval = POWER_SUPPLY_STATUS_FULL; + else + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + break; + default: + ret = -EINVAL; + break; + } + return ret; +} + +static int sony_battery_probe(struct sony_sc *sc) +{ + struct hid_device *hdev = sc->hdev; + int ret; + + /* + * Set the default battery level to 100% to avoid low battery warnings + * if the battery is polled before the first device report is received. + */ + sc->battery_capacity = 100; + + sc->battery.properties = sony_battery_props; + sc->battery.num_properties = ARRAY_SIZE(sony_battery_props); + sc->battery.get_property = sony_battery_get_property; + sc->battery.type = POWER_SUPPLY_TYPE_BATTERY; + sc->battery.use_for_apm = 0; + sc->battery.name = kasprintf(GFP_KERNEL, "sony_controller_battery_%pMR", + sc->mac_address); + if (!sc->battery.name) + return -ENOMEM; + + ret = power_supply_register(&hdev->dev, &sc->battery); + if (ret) { + hid_err(hdev, "Unable to register battery device\n"); + goto err_free; + } + + power_supply_powers(&sc->battery, &hdev->dev); + return 0; + +err_free: + kfree(sc->battery.name); + sc->battery.name = NULL; + return ret; +} + +static void sony_battery_remove(struct sony_sc *sc) +{ + if (!sc->battery.name) + return; + + power_supply_unregister(&sc->battery); + kfree(sc->battery.name); + sc->battery.name = NULL; +} + +static int sony_register_touchpad(struct sony_sc *sc, int touch_count, + int w, int h) +{ + struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, + struct hid_input, list); + struct input_dev *input_dev = hidinput->input; + int ret; + + ret = input_mt_init_slots(input_dev, touch_count, 0); + if (ret < 0) { + hid_err(sc->hdev, "Unable to initialize multi-touch slots\n"); + return ret; + } + + input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, w, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, h, 0, 0); + + return 0; +} + +/* + * If a controller is plugged in via USB while already connected via Bluetooth + * it will show up as two devices. A global list of connected controllers and + * their MAC addresses is maintained to ensure that a device is only connected + * once. + */ +static int sony_check_add_dev_list(struct sony_sc *sc) +{ + struct sony_sc *entry; + unsigned long flags; + int ret; + + spin_lock_irqsave(&sony_dev_list_lock, flags); + + list_for_each_entry(entry, &sony_device_list, list_node) { + ret = memcmp(sc->mac_address, entry->mac_address, + sizeof(sc->mac_address)); + if (!ret) { + ret = -EEXIST; + hid_info(sc->hdev, "controller with MAC address %pMR already connected\n", + sc->mac_address); + goto unlock; + } + } + + ret = 0; + list_add(&(sc->list_node), &sony_device_list); + +unlock: + spin_unlock_irqrestore(&sony_dev_list_lock, flags); + return ret; +} + +static void sony_remove_dev_list(struct sony_sc *sc) +{ + unsigned long flags; + + if (sc->list_node.next) { + spin_lock_irqsave(&sony_dev_list_lock, flags); + list_del(&(sc->list_node)); + spin_unlock_irqrestore(&sony_dev_list_lock, flags); + } +} + +static int sony_get_bt_devaddr(struct sony_sc *sc) +{ + int ret; + + /* HIDP stores the device MAC address as a string in the uniq field. */ + ret = strlen(sc->hdev->uniq); + if (ret != 17) + return -EINVAL; + + ret = sscanf(sc->hdev->uniq, + "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", + &sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3], + &sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]); + + if (ret != 6) + return -EINVAL; + + return 0; +} + +static int sony_check_add(struct sony_sc *sc) +{ + int n, ret; + + if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) || + (sc->quirks & SIXAXIS_CONTROLLER_BT)) { + /* + * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC + * address from the uniq string where HIDP stores it. + * As uniq cannot be guaranteed to be a MAC address in all cases + * a failure of this function should not prevent the connection. + */ + if (sony_get_bt_devaddr(sc) < 0) { + hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n"); + return 0; + } + } else if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) { + __u8 buf[7]; + + /* + * The MAC address of a DS4 controller connected via USB can be + * retrieved with feature report 0x81. The address begins at + * offset 1. + */ + ret = hid_hw_raw_request(sc->hdev, 0x81, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); + + if (ret != 7) { + hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n"); + return ret < 0 ? ret : -EINVAL; + } + + memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address)); + } else if (sc->quirks & SIXAXIS_CONTROLLER_USB) { + __u8 buf[18]; + + /* + * The MAC address of a Sixaxis controller connected via USB can + * be retrieved with feature report 0xf2. The address begins at + * offset 4. + */ + ret = hid_hw_raw_request(sc->hdev, 0xf2, buf, sizeof(buf), + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); + + if (ret != 18) { + hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n"); + return ret < 0 ? ret : -EINVAL; + } + + /* + * The Sixaxis device MAC in the report is big-endian and must + * be byte-swapped. + */ + for (n = 0; n < 6; n++) + sc->mac_address[5-n] = buf[4+n]; + } else { + return 0; + } + + return sony_check_add_dev_list(sc); +} + +static int sony_set_device_id(struct sony_sc *sc) +{ + int ret; + + /* + * Only DualShock 4 or Sixaxis controllers get an id. + * All others are set to -1. + */ + if ((sc->quirks & SIXAXIS_CONTROLLER) || + (sc->quirks & DUALSHOCK4_CONTROLLER)) { + ret = ida_simple_get(&sony_device_id_allocator, 0, 0, + GFP_KERNEL); + if (ret < 0) { + sc->device_id = -1; + return ret; + } + sc->device_id = ret; + } else { + sc->device_id = -1; + } + + return 0; +} + +static void sony_release_device_id(struct sony_sc *sc) +{ + if (sc->device_id >= 0) { + ida_simple_remove(&sony_device_id_allocator, sc->device_id); + sc->device_id = -1; + } +} + +static inline void sony_init_work(struct sony_sc *sc, + void (*worker)(struct work_struct *)) +{ + if (!sc->worker_initialized) + INIT_WORK(&sc->state_worker, worker); + + sc->worker_initialized = 1; +} + +static inline void sony_cancel_work_sync(struct sony_sc *sc) +{ + if (sc->worker_initialized) + cancel_work_sync(&sc->state_worker); } static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) @@ -107,84 +1810,217 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) int ret; unsigned long quirks = id->driver_data; struct sony_sc *sc; + unsigned int connect_mask = HID_CONNECT_DEFAULT; - sc = kzalloc(sizeof(*sc), GFP_KERNEL); + sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL); if (sc == NULL) { - dev_err(&hdev->dev, "can't alloc sony descriptor\n"); + hid_err(hdev, "can't alloc sony descriptor\n"); return -ENOMEM; } sc->quirks = quirks; hid_set_drvdata(hdev, sc); + sc->hdev = hdev; ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; + hid_err(hdev, "parse failed\n"); + return ret; } - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | - HID_CONNECT_HIDDEV_FORCE); + if (sc->quirks & VAIO_RDESC_CONSTANT) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + else if (sc->quirks & SIXAXIS_CONTROLLER_USB) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + else if (sc->quirks & SIXAXIS_CONTROLLER_BT) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + + ret = hid_hw_start(hdev, connect_mask); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; + hid_err(hdev, "hw start failed\n"); + return ret; + } + + ret = sony_set_device_id(sc); + if (ret < 0) { + hid_err(hdev, "failed to allocate the device id\n"); + goto err_stop; } if (sc->quirks & SIXAXIS_CONTROLLER_USB) { - hdev->hid_output_raw_report = sixaxis_usb_output_raw_report; + /* + * The Sony Sixaxis does not handle HID Output Reports on the + * Interrupt EP like it could, so we need to force HID Output + * Reports to use HID_REQ_SET_REPORT on the Control EP. + * + * There is also another issue about HID Output Reports via USB, + * the Sixaxis does not want the report_id as part of the data + * packet, so we have to discard buf[0] when sending the actual + * control message, even for numbered reports, humpf! + */ + hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; + hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID; ret = sixaxis_set_operational_usb(hdev); - } - else if (sc->quirks & SIXAXIS_CONTROLLER_BT) + sony_init_work(sc, sixaxis_state_worker); + } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) { + /* + * The Sixaxis wants output reports sent on the ctrl endpoint + * when connected via Bluetooth. + */ + hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; ret = sixaxis_set_operational_bt(hdev); - else + sony_init_work(sc, sixaxis_state_worker); + } else if (sc->quirks & DUALSHOCK4_CONTROLLER) { + if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) { + /* + * The DualShock 4 wants output reports sent on the ctrl + * endpoint when connected via Bluetooth. + */ + hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; + ret = dualshock4_set_operational_bt(hdev); + if (ret < 0) { + hid_err(hdev, "failed to set the Dualshock 4 operational mode\n"); + goto err_stop; + } + } + /* + * The Dualshock 4 touchpad supports 2 touches and has a + * resolution of 1920x940. + */ + ret = sony_register_touchpad(sc, 2, 1920, 940); + if (ret < 0) + goto err_stop; + + sony_init_work(sc, dualshock4_state_worker); + } else { ret = 0; + } + + if (ret < 0) + goto err_stop; + ret = sony_check_add(sc); if (ret < 0) goto err_stop; + if (sc->quirks & SONY_LED_SUPPORT) { + ret = sony_leds_init(sc); + if (ret < 0) + goto err_stop; + } + + if (sc->quirks & SONY_BATTERY_SUPPORT) { + ret = sony_battery_probe(sc); + if (ret < 0) + goto err_stop; + + /* Open the device to receive reports with battery info */ + ret = hid_hw_open(hdev); + if (ret < 0) { + hid_err(hdev, "hw open failed\n"); + goto err_stop; + } + } + + if (sc->quirks & SONY_FF_SUPPORT) { + ret = sony_init_ff(sc); + if (ret < 0) + goto err_close; + } + return 0; +err_close: + hid_hw_close(hdev); err_stop: + if (sc->quirks & SONY_LED_SUPPORT) + sony_leds_remove(sc); + if (sc->quirks & SONY_BATTERY_SUPPORT) + sony_battery_remove(sc); + sony_cancel_work_sync(sc); + sony_remove_dev_list(sc); + sony_release_device_id(sc); hid_hw_stop(hdev); -err_free: - kfree(sc); return ret; } static void sony_remove(struct hid_device *hdev) { + struct sony_sc *sc = hid_get_drvdata(hdev); + + if (sc->quirks & SONY_LED_SUPPORT) + sony_leds_remove(sc); + + if (sc->quirks & SONY_BATTERY_SUPPORT) { + hid_hw_close(hdev); + sony_battery_remove(sc); + } + + sony_cancel_work_sync(sc); + + sony_remove_dev_list(sc); + + sony_release_device_id(sc); + hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); } static const struct hid_device_id sony_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), .driver_data = SIXAXIS_CONTROLLER_USB }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER), + .driver_data = SIXAXIS_CONTROLLER_USB }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), .driver_data = SIXAXIS_CONTROLLER_BT }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), .driver_data = VAIO_RDESC_CONSTANT }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE), + .driver_data = VAIO_RDESC_CONSTANT }, + /* Wired Buzz Controller. Reported as Sony Hub from its USB ID and as + * Logitech joystick from the device descriptor. */ + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER), + .driver_data = BUZZ_CONTROLLER }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER), + .driver_data = BUZZ_CONTROLLER }, + /* PS3 BD Remote Control */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE), + .driver_data = PS3REMOTE }, + /* Logitech Harmony Adapter for PS3 */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3), + .driver_data = PS3REMOTE }, + /* Sony Dualshock 4 controllers for PS4 */ + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER), + .driver_data = DUALSHOCK4_CONTROLLER_USB }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER), + .driver_data = DUALSHOCK4_CONTROLLER_BT }, { } }; MODULE_DEVICE_TABLE(hid, sony_devices); static struct hid_driver sony_driver = { - .name = "sony", - .id_table = sony_devices, - .probe = sony_probe, - .remove = sony_remove, - .report_fixup = sony_report_fixup, + .name = "sony", + .id_table = sony_devices, + .input_mapping = sony_mapping, + .probe = sony_probe, + .remove = sony_remove, + .report_fixup = sony_report_fixup, + .raw_event = sony_raw_event }; static int __init sony_init(void) { + dbg_hid("Sony:%s\n", __func__); + return hid_register_driver(&sony_driver); } static void __exit sony_exit(void) { + dbg_hid("Sony:%s\n", __func__); + + ida_destroy(&sony_device_id_allocator); hid_unregister_driver(&sony_driver); } - module_init(sony_init); module_exit(sony_exit); + MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-speedlink.c b/drivers/hid/hid-speedlink.c new file mode 100644 index 00000000000..7112f3e832e --- /dev/null +++ b/drivers/hid/hid-speedlink.c @@ -0,0 +1,81 @@ +/* + * HID driver for Speedlink Vicious and Divine Cezanne (USB mouse). + * Fixes "jumpy" cursor and removes nonexistent keyboard LEDS from + * the HID descriptor. + * + * Copyright (c) 2011, 2013 Stefan Kriwanek <dev@stefankriwanek.de> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static const struct hid_device_id speedlink_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE)}, + { } +}; + +static int speedlink_input_mapping(struct hid_device *hdev, + struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + /* + * The Cezanne mouse has a second "keyboard" USB endpoint for it is + * able to map keyboard events to the button presses. + * It sends a standard keyboard report descriptor, though, whose + * LEDs we ignore. + */ + switch (usage->hid & HID_USAGE_PAGE) { + case HID_UP_LED: + return -1; + } + return 0; +} + +static int speedlink_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + /* No other conditions due to usage_table. */ + + /* This fixes the "jumpy" cursor occuring due to invalid events sent + * by the device. Some devices only send them with value==+256, others + * don't. However, catching abs(value)>=256 is restrictive enough not + * to interfere with devices that were bug-free (has been tested). + */ + if (abs(value) >= 256) + return 1; + /* Drop useless distance 0 events (on button clicks etc.) as well */ + if (value == 0) + return 1; + + return 0; +} + +MODULE_DEVICE_TABLE(hid, speedlink_devices); + +static const struct hid_usage_id speedlink_grabbed_usages[] = { + { HID_GD_X, EV_REL, 0 }, + { HID_GD_Y, EV_REL, 1 }, + { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} +}; + +static struct hid_driver speedlink_driver = { + .name = "speedlink", + .id_table = speedlink_devices, + .usage_table = speedlink_grabbed_usages, + .input_mapping = speedlink_input_mapping, + .event = speedlink_event, +}; +module_hid_driver(speedlink_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-stantum.c b/drivers/hid/hid-stantum.c deleted file mode 100644 index 3171be28c3d..00000000000 --- a/drivers/hid/hid-stantum.c +++ /dev/null @@ -1,286 +0,0 @@ -/* - * HID driver for Stantum multitouch panels - * - * Copyright (c) 2009 Stephane Chatty <chatty@enac.fr> - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/slab.h> - -MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); -MODULE_DESCRIPTION("Stantum HID multitouch panels"); -MODULE_LICENSE("GPL"); - -#include "hid-ids.h" - -struct stantum_data { - __s32 x, y, z, w, h; /* x, y, pressure, width, height */ - __u16 id; /* touch id */ - bool valid; /* valid finger data, or just placeholder? */ - bool first; /* first finger in the HID packet? */ - bool activity; /* at least one active finger so far? */ -}; - -static int stantum_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_GENDESK: - switch (usage->hid) { - case HID_GD_X: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_X); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_X, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - case HID_GD_Y: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_POSITION_Y); - /* touchscreen emulation */ - input_set_abs_params(hi->input, ABS_Y, - field->logical_minimum, - field->logical_maximum, 0, 0); - return 1; - } - return 0; - - case HID_UP_DIGITIZER: - switch (usage->hid) { - case HID_DG_INRANGE: - case HID_DG_CONFIDENCE: - case HID_DG_INPUTMODE: - case HID_DG_DEVICEINDEX: - case HID_DG_CONTACTCOUNT: - case HID_DG_CONTACTMAX: - return -1; - - case HID_DG_TIPSWITCH: - /* touchscreen emulation */ - hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); - return 1; - - case HID_DG_WIDTH: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TOUCH_MAJOR); - return 1; - case HID_DG_HEIGHT: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TOUCH_MINOR); - input_set_abs_params(hi->input, ABS_MT_ORIENTATION, - 1, 1, 0, 0); - return 1; - case HID_DG_TIPPRESSURE: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_PRESSURE); - return 1; - - case HID_DG_CONTACTID: - hid_map_usage(hi, usage, bit, max, - EV_ABS, ABS_MT_TRACKING_ID); - return 1; - - } - return 0; - - case 0xff000000: - /* no input-oriented meaning */ - return -1; - } - - return 0; -} - -static int stantum_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - if (usage->type == EV_KEY || usage->type == EV_ABS) - clear_bit(usage->code, *bit); - - return 0; -} - -/* - * this function is called when a whole finger has been parsed, - * so that it can decide what to send to the input layer. - */ -static void stantum_filter_event(struct stantum_data *sd, - struct input_dev *input) -{ - bool wide; - - if (!sd->valid) { - /* - * touchscreen emulation: if the first finger is not valid and - * there previously was finger activity, this is a release - */ - if (sd->first && sd->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 0); - sd->activity = false; - } - return; - } - - input_event(input, EV_ABS, ABS_MT_TRACKING_ID, sd->id); - input_event(input, EV_ABS, ABS_MT_POSITION_X, sd->x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, sd->y); - - wide = (sd->w > sd->h); - input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); - input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, wide ? sd->w : sd->h); - input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, wide ? sd->h : sd->w); - - input_event(input, EV_ABS, ABS_MT_PRESSURE, sd->z); - - input_mt_sync(input); - sd->valid = false; - - /* touchscreen emulation */ - if (sd->first) { - if (!sd->activity) { - input_event(input, EV_KEY, BTN_TOUCH, 1); - sd->activity = true; - } - input_event(input, EV_ABS, ABS_X, sd->x); - input_event(input, EV_ABS, ABS_Y, sd->y); - } - sd->first = false; -} - - -static int stantum_event(struct hid_device *hid, struct hid_field *field, - struct hid_usage *usage, __s32 value) -{ - struct stantum_data *sd = hid_get_drvdata(hid); - - if (hid->claimed & HID_CLAIMED_INPUT) { - struct input_dev *input = field->hidinput->input; - - switch (usage->hid) { - case HID_DG_INRANGE: - /* this is the last field in a finger */ - stantum_filter_event(sd, input); - break; - case HID_DG_WIDTH: - sd->w = value; - break; - case HID_DG_HEIGHT: - sd->h = value; - break; - case HID_GD_X: - sd->x = value; - break; - case HID_GD_Y: - sd->y = value; - break; - case HID_DG_TIPPRESSURE: - sd->z = value; - break; - case HID_DG_CONTACTID: - sd->id = value; - break; - case HID_DG_CONFIDENCE: - sd->valid = !!value; - break; - case 0xff000002: - /* this comes only before the first finger */ - sd->first = true; - break; - - default: - /* ignore the others */ - return 1; - } - } - - /* we have handled the hidinput part, now remains hiddev */ - if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) - hid->hiddev_hid_event(hid, field, usage, value); - - return 1; -} - -static int stantum_probe(struct hid_device *hdev, - const struct hid_device_id *id) -{ - int ret; - struct stantum_data *sd; - - sd = kmalloc(sizeof(struct stantum_data), GFP_KERNEL); - if (!sd) { - dev_err(&hdev->dev, "cannot allocate Stantum data\n"); - return -ENOMEM; - } - sd->valid = false; - sd->first = false; - sd->activity = false; - hid_set_drvdata(hdev, sd); - - ret = hid_parse(hdev); - if (!ret) - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - - if (ret) - kfree(sd); - - return ret; -} - -static void stantum_remove(struct hid_device *hdev) -{ - hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); - hid_set_drvdata(hdev, NULL); -} - -static const struct hid_device_id stantum_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) }, - { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) }, - { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) }, - { } -}; -MODULE_DEVICE_TABLE(hid, stantum_devices); - -static const struct hid_usage_id stantum_grabbed_usages[] = { - { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, - { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} -}; - -static struct hid_driver stantum_driver = { - .name = "stantum", - .id_table = stantum_devices, - .probe = stantum_probe, - .remove = stantum_remove, - .input_mapping = stantum_input_mapping, - .input_mapped = stantum_input_mapped, - .usage_table = stantum_grabbed_usages, - .event = stantum_event, -}; - -static int __init stantum_init(void) -{ - return hid_register_driver(&stantum_driver); -} - -static void __exit stantum_exit(void) -{ - hid_unregister_driver(&stantum_driver); -} - -module_init(stantum_init); -module_exit(stantum_exit); - diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c new file mode 100644 index 00000000000..29f328f411f --- /dev/null +++ b/drivers/hid/hid-steelseries.c @@ -0,0 +1,389 @@ +/* + * HID driver for Steelseries SRW-S1 + * + * Copyright (c) 2013 Simon Wood + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/usb.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) +#define SRWS1_NUMBER_LEDS 15 +struct steelseries_srws1_data { + __u16 led_state; + /* the last element is used for setting all leds simultaneously */ + struct led_classdev *led[SRWS1_NUMBER_LEDS + 1]; +}; +#endif + +/* Fixed report descriptor for Steelseries SRW-S1 wheel controller + * + * The original descriptor hides the sensitivity and assists dials + * a custom vendor usage page. This inserts a patch to make them + * appear in the 'Generic Desktop' usage. + */ + +static __u8 steelseries_srws1_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop) */ +0x09, 0x08, /* Usage (MultiAxis), Changed */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x95, 0x01, /* Report Count (1), */ +0x05, 0x01, /* Changed Usage Page (Desktop), */ +0x09, 0x30, /* Changed Usage (X), */ +0x16, 0xF8, 0xF8, /* Logical Minimum (-1800), */ +0x26, 0x08, 0x07, /* Logical Maximum (1800), */ +0x65, 0x14, /* Unit (Degrees), */ +0x55, 0x0F, /* Unit Exponent (15), */ +0x75, 0x10, /* Report Size (16), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x31, /* Changed Usage (Y), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ +0x75, 0x0C, /* Report Size (12), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x32, /* Changed Usage (Z), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ +0x75, 0x0C, /* Report Size (12), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x39, /* Usage (Hat Switch), */ +0x25, 0x07, /* Logical Maximum (7), */ +0x35, 0x00, /* Physical Minimum (0), */ +0x46, 0x3B, 0x01, /* Physical Maximum (315), */ +0x65, 0x14, /* Unit (Degrees), */ +0x75, 0x04, /* Report Size (4), */ +0x95, 0x01, /* Report Count (1), */ +0x81, 0x02, /* Input (Variable), */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x65, 0x00, /* Unit, */ +0x75, 0x01, /* Report Size (1), */ +0x95, 0x03, /* Report Count (3), */ +0x81, 0x01, /* Input (Constant), */ +0x05, 0x09, /* Usage Page (Button), */ +0x19, 0x01, /* Usage Minimum (01h), */ +0x29, 0x11, /* Usage Maximum (11h), */ +0x95, 0x11, /* Report Count (17), */ +0x81, 0x02, /* Input (Variable), */ + /* ---- Dial patch starts here ---- */ +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x33, /* Usage (RX), */ +0x75, 0x04, /* Report Size (4), */ +0x95, 0x02, /* Report Count (2), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x25, 0x0b, /* Logical Maximum (b), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x35, /* Usage (RZ), */ +0x75, 0x04, /* Report Size (4), */ +0x95, 0x01, /* Report Count (1), */ +0x25, 0x03, /* Logical Maximum (3), */ +0x81, 0x02, /* Input (Variable), */ + /* ---- Dial patch ends here ---- */ +0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ +0x09, 0x01, /* Usage (01h), */ +0x75, 0x04, /* Changed Report Size (4), */ +0x95, 0x0D, /* Changed Report Count (13), */ +0x81, 0x02, /* Input (Variable), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x09, 0x02, /* Usage (02h), */ +0x75, 0x08, /* Report Size (8), */ +0x95, 0x10, /* Report Count (16), */ +0x91, 0x02, /* Output (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection */ +}; + +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) +static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds) +{ + struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + + value[0] = 0x40; + value[1] = leds & 0xFF; + value[2] = leds >> 8; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; + value[7] = 0x00; + value[8] = 0x00; + value[9] = 0x00; + value[10] = 0x00; + value[11] = 0x00; + value[12] = 0x00; + value[13] = 0x00; + value[14] = 0x00; + value[15] = 0x00; + + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + + /* Note: LED change does not show on device until the device is read/polled */ +} + +static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hid = container_of(dev, struct hid_device, dev); + struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid); + + if (!drv_data) { + hid_err(hid, "Device data not found."); + return; + } + + if (value == LED_OFF) + drv_data->led_state = 0; + else + drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1; + + steelseries_srws1_set_leds(hid, drv_data->led_state); +} + +static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hid = container_of(dev, struct hid_device, dev); + struct steelseries_srws1_data *drv_data; + + drv_data = hid_get_drvdata(hid); + + if (!drv_data) { + hid_err(hid, "Device data not found."); + return LED_OFF; + } + + return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF; +} + +static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hid = container_of(dev, struct hid_device, dev); + struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid); + int i, state = 0; + + if (!drv_data) { + hid_err(hid, "Device data not found."); + return; + } + + for (i = 0; i < SRWS1_NUMBER_LEDS; i++) { + if (led_cdev != drv_data->led[i]) + continue; + + state = (drv_data->led_state >> i) & 1; + if (value == LED_OFF && state) { + drv_data->led_state &= ~(1 << i); + steelseries_srws1_set_leds(hid, drv_data->led_state); + } else if (value != LED_OFF && !state) { + drv_data->led_state |= 1 << i; + steelseries_srws1_set_leds(hid, drv_data->led_state); + } + break; + } +} + +static enum led_brightness steelseries_srws1_led_get_brightness(struct led_classdev *led_cdev) +{ + struct device *dev = led_cdev->dev->parent; + struct hid_device *hid = container_of(dev, struct hid_device, dev); + struct steelseries_srws1_data *drv_data; + int i, value = 0; + + drv_data = hid_get_drvdata(hid); + + if (!drv_data) { + hid_err(hid, "Device data not found."); + return LED_OFF; + } + + for (i = 0; i < SRWS1_NUMBER_LEDS; i++) + if (led_cdev == drv_data->led[i]) { + value = (drv_data->led_state >> i) & 1; + break; + } + + return value ? LED_FULL : LED_OFF; +} + +static int steelseries_srws1_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret, i; + struct led_classdev *led; + size_t name_sz; + char *name; + + struct steelseries_srws1_data *drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL); + + if (drv_data == NULL) { + hid_err(hdev, "can't alloc SRW-S1 memory\n"); + return -ENOMEM; + } + + hid_set_drvdata(hdev, drv_data); + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err_free; + } + + if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 16)) { + ret = -ENODEV; + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err_free; + } + + /* register led subsystem */ + drv_data->led_state = 0; + for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) + drv_data->led[i] = NULL; + + steelseries_srws1_set_leds(hdev, 0); + + name_sz = strlen(hdev->uniq) + 16; + + /* 'ALL', for setting all LEDs simultaneously */ + led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); + if (!led) { + hid_err(hdev, "can't allocate memory for LED ALL\n"); + goto err_led; + } + + name = (void *)(&led[1]); + snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = steelseries_srws1_led_all_get_brightness; + led->brightness_set = steelseries_srws1_led_all_set_brightness; + + drv_data->led[SRWS1_NUMBER_LEDS] = led; + ret = led_classdev_register(&hdev->dev, led); + if (ret) + goto err_led; + + /* Each individual LED */ + for (i = 0; i < SRWS1_NUMBER_LEDS; i++) { + led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); + if (!led) { + hid_err(hdev, "can't allocate memory for LED %d\n", i); + goto err_led; + } + + name = (void *)(&led[1]); + snprintf(name, name_sz, "SRWS1::%s::RPM%d", hdev->uniq, i+1); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = steelseries_srws1_led_get_brightness; + led->brightness_set = steelseries_srws1_led_set_brightness; + + drv_data->led[i] = led; + ret = led_classdev_register(&hdev->dev, led); + + if (ret) { + hid_err(hdev, "failed to register LED %d. Aborting.\n", i); +err_led: + /* Deregister all LEDs (if any) */ + for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) { + led = drv_data->led[i]; + drv_data->led[i] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + goto out; /* but let the driver continue without LEDs */ + } + } +out: + return 0; +err_free: + kfree(drv_data); + return ret; +} + +static void steelseries_srws1_remove(struct hid_device *hdev) +{ + int i; + struct led_classdev *led; + + struct steelseries_srws1_data *drv_data = hid_get_drvdata(hdev); + + if (drv_data) { + /* Deregister LEDs (if any) */ + for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) { + led = drv_data->led[i]; + drv_data->led[i] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + + } + + hid_hw_stop(hdev); + kfree(drv_data); + return; +} +#endif + +static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8 + && rdesc[29] == 0xbb && rdesc[40] == 0xc5) { + hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n"); + rdesc = steelseries_srws1_rdesc_fixed; + *rsize = sizeof(steelseries_srws1_rdesc_fixed); + } + return rdesc; +} + +static const struct hid_device_id steelseries_srws1_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, + { } +}; +MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices); + +static struct hid_driver steelseries_srws1_driver = { + .name = "steelseries_srws1", + .id_table = steelseries_srws1_devices, +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) + .probe = steelseries_srws1_probe, + .remove = steelseries_srws1_remove, +#endif + .report_fixup = steelseries_srws1_report_fixup +}; + +module_hid_driver(steelseries_srws1_driver); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c index 164ed568f6c..87fc91e1c8d 100644 --- a/drivers/hid/hid-sunplus.c +++ b/drivers/hid/hid-sunplus.c @@ -5,7 +5,6 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ @@ -27,8 +26,7 @@ static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc, { if (*rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 && rdesc[106] == 0x03) { - dev_info(&hdev->dev, "fixing up Sunplus Wireless Desktop " - "report descriptor\n"); + hid_info(hdev, "fixing up Sunplus Wireless Desktop report descriptor\n"); rdesc[105] = rdesc[110] = 0x03; rdesc[106] = rdesc[111] = 0x21; } @@ -65,17 +63,6 @@ static struct hid_driver sp_driver = { .report_fixup = sp_report_fixup, .input_mapping = sp_input_mapping, }; +module_hid_driver(sp_driver); -static int __init sp_init(void) -{ - return hid_register_driver(&sp_driver); -} - -static void __exit sp_exit(void) -{ - hid_unregister_driver(&sp_driver); -} - -module_init(sp_init); -module_exit(sp_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c new file mode 100644 index 00000000000..134be89b15e --- /dev/null +++ b/drivers/hid/hid-thingm.c @@ -0,0 +1,312 @@ +/* + * ThingM blink(1) USB RGB LED driver + * + * Copyright 2013-2014 Savoir-faire Linux Inc. + * Vivien Didelot <vivien.didelot@savoirfairelinux.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + */ + +#include <linux/hid.h> +#include <linux/hidraw.h> +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> + +#include "hid-ids.h" + +#define REPORT_ID 1 +#define REPORT_SIZE 9 + +/* Firmware major number of supported devices */ +#define THINGM_MAJOR_MK1 '1' +#define THINGM_MAJOR_MK2 '2' + +struct thingm_fwinfo { + char major; + unsigned numrgb; + unsigned first; +}; + +static const struct thingm_fwinfo thingm_fwinfo[] = { + { + .major = THINGM_MAJOR_MK1, + .numrgb = 1, + .first = 0, + }, { + .major = THINGM_MAJOR_MK2, + .numrgb = 2, + .first = 1, + } +}; + +/* A red, green or blue channel, part of an RGB chip */ +struct thingm_led { + struct thingm_rgb *rgb; + struct led_classdev ldev; + char name[32]; +}; + +/* Basically a WS2812 5050 RGB LED chip */ +struct thingm_rgb { + struct thingm_device *tdev; + struct thingm_led red; + struct thingm_led green; + struct thingm_led blue; + struct work_struct work; + u8 num; +}; + +struct thingm_device { + struct hid_device *hdev; + struct { + char major; + char minor; + } version; + const struct thingm_fwinfo *fwinfo; + struct mutex lock; + struct thingm_rgb *rgb; +}; + +static int thingm_send(struct thingm_device *tdev, u8 buf[REPORT_SIZE]) +{ + int ret; + + hid_dbg(tdev->hdev, "-> %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n", + buf[0], buf[1], buf[2], buf[3], buf[4], + buf[5], buf[6], buf[7], buf[8]); + + ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + + return ret < 0 ? ret : 0; +} + +static int thingm_recv(struct thingm_device *tdev, u8 buf[REPORT_SIZE]) +{ + int ret; + + ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE, + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); + if (ret < 0) + return ret; + + hid_dbg(tdev->hdev, "<- %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n", + buf[0], buf[1], buf[2], buf[3], buf[4], + buf[5], buf[6], buf[7], buf[8]); + + return 0; +} + +static int thingm_version(struct thingm_device *tdev) +{ + u8 buf[REPORT_SIZE] = { REPORT_ID, 'v', 0, 0, 0, 0, 0, 0, 0 }; + int err; + + err = thingm_send(tdev, buf); + if (err) + return err; + + err = thingm_recv(tdev, buf); + if (err) + return err; + + tdev->version.major = buf[3]; + tdev->version.minor = buf[4]; + + return 0; +} + +static int thingm_write_color(struct thingm_rgb *rgb) +{ + u8 buf[REPORT_SIZE] = { REPORT_ID, 'c', 0, 0, 0, 0, 0, rgb->num, 0 }; + + buf[2] = rgb->red.ldev.brightness; + buf[3] = rgb->green.ldev.brightness; + buf[4] = rgb->blue.ldev.brightness; + + return thingm_send(rgb->tdev, buf); +} + +static void thingm_work(struct work_struct *work) +{ + struct thingm_rgb *rgb = container_of(work, struct thingm_rgb, work); + + mutex_lock(&rgb->tdev->lock); + + if (thingm_write_color(rgb)) + hid_err(rgb->tdev->hdev, "failed to write color\n"); + + mutex_unlock(&rgb->tdev->lock); +} + +static void thingm_led_set(struct led_classdev *ldev, + enum led_brightness brightness) +{ + struct thingm_led *led = container_of(ldev, struct thingm_led, ldev); + + /* the ledclass has already stored the brightness value */ + schedule_work(&led->rgb->work); +} + +static int thingm_init_rgb(struct thingm_rgb *rgb) +{ + const int minor = ((struct hidraw *) rgb->tdev->hdev->hidraw)->minor; + int err; + + /* Register the red diode */ + snprintf(rgb->red.name, sizeof(rgb->red.name), + "thingm%d:red:led%d", minor, rgb->num); + rgb->red.ldev.name = rgb->red.name; + rgb->red.ldev.max_brightness = 255; + rgb->red.ldev.brightness_set = thingm_led_set; + rgb->red.rgb = rgb; + + err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->red.ldev); + if (err) + return err; + + /* Register the green diode */ + snprintf(rgb->green.name, sizeof(rgb->green.name), + "thingm%d:green:led%d", minor, rgb->num); + rgb->green.ldev.name = rgb->green.name; + rgb->green.ldev.max_brightness = 255; + rgb->green.ldev.brightness_set = thingm_led_set; + rgb->green.rgb = rgb; + + err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->green.ldev); + if (err) + goto unregister_red; + + /* Register the blue diode */ + snprintf(rgb->blue.name, sizeof(rgb->blue.name), + "thingm%d:blue:led%d", minor, rgb->num); + rgb->blue.ldev.name = rgb->blue.name; + rgb->blue.ldev.max_brightness = 255; + rgb->blue.ldev.brightness_set = thingm_led_set; + rgb->blue.rgb = rgb; + + err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->blue.ldev); + if (err) + goto unregister_green; + + INIT_WORK(&rgb->work, thingm_work); + + return 0; + +unregister_green: + led_classdev_unregister(&rgb->green.ldev); + +unregister_red: + led_classdev_unregister(&rgb->red.ldev); + + return err; +} + +static void thingm_remove_rgb(struct thingm_rgb *rgb) +{ + flush_work(&rgb->work); + led_classdev_unregister(&rgb->red.ldev); + led_classdev_unregister(&rgb->green.ldev); + led_classdev_unregister(&rgb->blue.ldev); +} + +static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct thingm_device *tdev; + int i, err; + + tdev = devm_kzalloc(&hdev->dev, sizeof(struct thingm_device), + GFP_KERNEL); + if (!tdev) + return -ENOMEM; + + tdev->hdev = hdev; + hid_set_drvdata(hdev, tdev); + + err = hid_parse(hdev); + if (err) + goto error; + + err = hid_hw_start(hdev, HID_CONNECT_HIDRAW); + if (err) + goto error; + + mutex_init(&tdev->lock); + + err = thingm_version(tdev); + if (err) + goto stop; + + hid_dbg(hdev, "firmware version: %c.%c\n", + tdev->version.major, tdev->version.minor); + + for (i = 0; i < ARRAY_SIZE(thingm_fwinfo) && !tdev->fwinfo; ++i) + if (thingm_fwinfo[i].major == tdev->version.major) + tdev->fwinfo = &thingm_fwinfo[i]; + + if (!tdev->fwinfo) { + hid_err(hdev, "unsupported firmware %c\n", tdev->version.major); + goto stop; + } + + tdev->rgb = devm_kzalloc(&hdev->dev, + sizeof(struct thingm_rgb) * tdev->fwinfo->numrgb, + GFP_KERNEL); + if (!tdev->rgb) { + err = -ENOMEM; + goto stop; + } + + for (i = 0; i < tdev->fwinfo->numrgb; ++i) { + struct thingm_rgb *rgb = tdev->rgb + i; + + rgb->tdev = tdev; + rgb->num = tdev->fwinfo->first + i; + err = thingm_init_rgb(rgb); + if (err) { + while (--i >= 0) + thingm_remove_rgb(tdev->rgb + i); + goto stop; + } + } + + return 0; +stop: + hid_hw_stop(hdev); +error: + return err; +} + +static void thingm_remove(struct hid_device *hdev) +{ + struct thingm_device *tdev = hid_get_drvdata(hdev); + int i; + + for (i = 0; i < tdev->fwinfo->numrgb; ++i) + thingm_remove_rgb(tdev->rgb + i); + + hid_hw_stop(hdev); +} + +static const struct hid_device_id thingm_table[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, + { } +}; +MODULE_DEVICE_TABLE(hid, thingm_table); + +static struct hid_driver thingm_driver = { + .name = "thingm", + .probe = thingm_probe, + .remove = thingm_remove, + .id_table = thingm_table, +}; + +module_hid_driver(thingm_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Vivien Didelot <vivien.didelot@savoirfairelinux.com>"); +MODULE_DESCRIPTION("ThingM blink(1) USB RGB LED driver"); diff --git a/drivers/hid/hid-tivo.c b/drivers/hid/hid-tivo.c new file mode 100644 index 00000000000..d790d8d71f7 --- /dev/null +++ b/drivers/hid/hid-tivo.c @@ -0,0 +1,79 @@ +/* + * HID driver for TiVo Slide Bluetooth remote + * + * Copyright (c) 2011 Jarod Wilson <jarod@redhat.com> + * based on the hid-topseed driver, which is in turn, based on hid-cherry... + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define HID_UP_TIVOVENDOR 0xffff0000 +#define tivo_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) + +static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + switch (usage->hid & HID_USAGE_PAGE) { + case HID_UP_TIVOVENDOR: + switch (usage->hid & HID_USAGE) { + /* TiVo button */ + case 0x3d: tivo_map_key_clear(KEY_MEDIA); break; + /* Live TV */ + case 0x3e: tivo_map_key_clear(KEY_TV); break; + /* Red thumbs down */ + case 0x41: tivo_map_key_clear(KEY_KPMINUS); break; + /* Green thumbs up */ + case 0x42: tivo_map_key_clear(KEY_KPPLUS); break; + default: + return 0; + } + break; + case HID_UP_CONSUMER: + switch (usage->hid & HID_USAGE) { + /* Enter/Last (default mapping: KEY_LAST) */ + case 0x083: tivo_map_key_clear(KEY_ENTER); break; + /* Info (default mapping: KEY_PROPS) */ + case 0x209: tivo_map_key_clear(KEY_INFO); break; + default: + return 0; + } + break; + default: + return 0; + } + + /* This means we found a matching mapping here, else, look in the + * standard hid mappings in hid-input.c */ + return 1; +} + +static const struct hid_device_id tivo_devices[] = { + /* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, tivo_devices); + +static struct hid_driver tivo_driver = { + .name = "tivo_slide", + .id_table = tivo_devices, + .input_mapping = tivo_input_mapping, +}; +module_hid_driver(tivo_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>"); diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c index 15434c81479..b83376077d7 100644 --- a/drivers/hid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -30,7 +30,7 @@ #include <linux/hid.h> #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> +#include <linux/module.h> #include "hid-ids.h" @@ -45,7 +45,6 @@ static const signed short ff_joystick[] = { }; #ifdef CONFIG_THRUSTMASTER_FF -#include "usbhid/usbhid.h" /* Usages for thrustmaster devices I know about */ #define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb) @@ -102,7 +101,7 @@ static int tmff_play(struct input_dev *dev, void *data, dbg_hid("(x, y)=(%04x, %04x)\n", x, y); ff_field->value[0] = x; ff_field->value[1] = y; - usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); + hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT); break; case FF_RUMBLE: @@ -116,7 +115,7 @@ static int tmff_play(struct input_dev *dev, void *data, dbg_hid("(left,right)=(%08x, %08x)\n", left, right); ff_field->value[0] = left; ff_field->value[1] = right; - usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); + hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT); break; } return 0; @@ -151,28 +150,23 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) switch (field->usage[0].hid) { case THRUSTMASTER_USAGE_FF: if (field->report_count < 2) { - dev_warn(&hid->dev, "ignoring FF field " - "with report_count < 2\n"); + hid_warn(hid, "ignoring FF field with report_count < 2\n"); continue; } if (field->logical_maximum == field->logical_minimum) { - dev_warn(&hid->dev, "ignoring FF field " - "with logical_maximum " - "== logical_minimum\n"); + hid_warn(hid, "ignoring FF field with logical_maximum == logical_minimum\n"); continue; } if (tmff->report && tmff->report != report) { - dev_warn(&hid->dev, "ignoring FF field " - "in other report\n"); + hid_warn(hid, "ignoring FF field in other report\n"); continue; } if (tmff->ff_field && tmff->ff_field != field) { - dev_warn(&hid->dev, "ignoring " - "duplicate FF field\n"); + hid_warn(hid, "ignoring duplicate FF field\n"); continue; } @@ -185,16 +179,15 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) break; default: - dev_warn(&hid->dev, "ignoring unknown output " - "usage %08x\n", - field->usage[0].hid); + hid_warn(hid, "ignoring unknown output usage %08x\n", + field->usage[0].hid); continue; } } } if (!tmff->report) { - dev_err(&hid->dev, "can't find FF field in output reports\n"); + hid_err(hid, "can't find FF field in output reports\n"); error = -ENODEV; goto fail; } @@ -203,8 +196,7 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) if (error) goto fail; - dev_info(&hid->dev, "force feedback for ThrustMaster devices by Zinx " - "Verituse <zinx@epicsol.org>"); + hid_info(hid, "force feedback for ThrustMaster devices by Zinx Verituse <zinx@epicsol.org>\n"); return 0; fail: @@ -224,13 +216,13 @@ static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err; } @@ -256,6 +248,8 @@ static const struct hid_device_id tm_devices[] = { .driver_data = (unsigned long)ff_joystick }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */ .driver_data = (unsigned long)ff_joystick }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a), /* F430 Force Feedback Wheel */ + .driver_data = (unsigned long)ff_joystick }, { } }; MODULE_DEVICE_TABLE(hid, tm_devices); @@ -265,17 +259,6 @@ static struct hid_driver tm_driver = { .id_table = tm_devices, .probe = tm_probe, }; +module_hid_driver(tm_driver); -static int __init tm_init(void) -{ - return hid_register_driver(&tm_driver); -} - -static void __exit tm_exit(void) -{ - hid_unregister_driver(&tm_driver); -} - -module_init(tm_init); -module_exit(tm_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c index 956ed9ac19d..8a5b843e9dd 100644 --- a/drivers/hid/hid-topseed.c +++ b/drivers/hid/hid-topseed.c @@ -66,6 +66,7 @@ static const struct hid_device_id ts_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, { } }; MODULE_DEVICE_TABLE(hid, ts_devices); @@ -75,17 +76,6 @@ static struct hid_driver ts_driver = { .id_table = ts_devices, .input_mapping = ts_input_mapping, }; +module_hid_driver(ts_driver); -static int __init ts_init(void) -{ - return hid_register_driver(&ts_driver); -} - -static void __exit ts_exit(void) -{ - hid_unregister_driver(&ts_driver); -} - -module_init(ts_init); -module_exit(ts_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-twinhan.c b/drivers/hid/hid-twinhan.c index c40afc57fc8..c08c36443f8 100644 --- a/drivers/hid/hid-twinhan.c +++ b/drivers/hid/hid-twinhan.c @@ -3,7 +3,7 @@ * * Based on hid-gyration.c * - * Copyright (c) 2009 Bruno Prémont <bonbons@linux-vserver.org> + * Copyright (c) 2009 Bruno Prémont <bonbons@linux-vserver.org> */ /* @@ -131,17 +131,6 @@ static struct hid_driver twinhan_driver = { .id_table = twinhan_devices, .input_mapping = twinhan_input_mapping, }; +module_hid_driver(twinhan_driver); -static int __init twinhan_init(void) -{ - return hid_register_driver(&twinhan_driver); -} - -static void __exit twinhan_exit(void) -{ - hid_unregister_driver(&twinhan_driver); -} - -module_init(twinhan_init); -module_exit(twinhan_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c index 05fdc85a76e..fb8b516ff0e 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic.c @@ -14,145 +14,21 @@ #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> +#include <linux/usb.h> #include "hid-ids.h" /* - * The original descriptors of WPXXXXU tablets have three report IDs, of - * which only two are used (8 and 9), and the remaining (7) seems to have - * the originally intended pen description which was abandoned for some - * reason. From this unused description it is possible to extract the - * actual physical extents and resolution. All the models use the same - * descriptor with different extents for the unused report ID. - * - * Here it is: - * - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Pen), ; Pen (02h, application collection) - * Collection (Application), - * Report ID (7), - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (Tip Switch), ; Tip switch (42h, momentary control) - * Usage (Barrel Switch), ; Barrel switch (44h, momentary control) - * Usage (Eraser), ; Eraser (45h, momentary control) - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (3), - * Input (Variable), - * Report Count (3), - * Input (Constant, Variable), - * Usage (In Range), ; In range (32h, momentary control) - * Report Count (1), - * Input (Variable), - * Report Count (1), - * Input (Constant, Variable), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Report Size (16), - * Report Count (1), - * Push, - * Unit Exponent (13), - * Unit (Inch^3), - * Physical Minimum (0), - * Physical Maximum (Xpm), - * Logical Maximum (Xlm), - * Input (Variable), - * Usage (Y), ; Y (31h, dynamic value) - * Physical Maximum (Ypm), - * Logical Maximum (Ylm), - * Input (Variable), - * Pop, - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value) - * Logical Maximum (1023), - * Input (Variable), - * Report Size (16), - * End Collection, - * End Collection, - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Mouse), ; Mouse (02h, application collection) - * Collection (Application), - * Report ID (8), - * Usage (Pointer), ; Pointer (01h, physical collection) - * Collection (Physical), - * Usage Page (Button), ; Button (09h) - * Usage Minimum (01h), - * Usage Maximum (03h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Count (3), - * Report Size (1), - * Input (Variable), - * Report Count (5), - * Input (Constant), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Usage (Y), ; Y (31h, dynamic value) - * Usage (Wheel), ; Wheel (38h, dynamic value) - * Usage (00h), - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (4), - * Input (Variable, Relative), - * End Collection, - * End Collection, - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Mouse), ; Mouse (02h, application collection) - * Collection (Application), - * Report ID (9), - * Usage (Pointer), ; Pointer (01h, physical collection) - * Collection (Physical), - * Usage Page (Button), ; Button (09h) - * Usage Minimum (01h), - * Usage Maximum (03h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Count (3), - * Report Size (1), - * Input (Variable), - * Report Count (5), - * Input (Constant), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Usage (Y), ; Y (31h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (32767), - * Physical Minimum (0), - * Physical Maximum (32767), - * Report Count (2), - * Report Size (16), - * Input (Variable), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value) - * Logical Maximum (1023), - * Report Count (1), - * Report Size (16), - * Input (Variable), - * End Collection, - * End Collection - * - * Here are the extents values for the WPXXXXU models: - * - * Xpm Xlm Ypm Ylm - * WP4030U 4000 8000 3000 6000 - * WP5540U 5500 11000 4000 8000 - * WP8060U 8000 16000 6000 12000 - * - * This suggests that all of them have 2000 LPI resolution, as advertised. + * See WPXXXXU model descriptions, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP4030U + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP5540U + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP8060U */ /* Size of the original descriptor of WPXXXXU tablets */ #define WPXXXXU_RDESC_ORIG_SIZE 212 -/* - * Fixed WP4030U report descriptor. - * Although the hardware might actually support it, the mouse description - * has been removed, since there seems to be no devices having one and it - * wouldn't make much sense because of the working area size. - */ +/* Fixed WP4030U report descriptor */ static __u8 wp4030u_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ @@ -343,146 +219,67 @@ static __u8 wp8060u_rdesc_fixed[] = { }; /* - * Original PF1209 report descriptor. - * - * The descriptor is similar to WPXXXXU descriptors, with an addition of a - * feature report (ID 4) of unknown purpose. - * - * Although the advertised resolution is 4000 LPI the unused report ID - * (taken from WPXXXXU, it seems) states 2000 LPI, but it is probably - * incorrect and is a result of blind copying without understanding. Anyway - * the real logical extents are always scaled to 0..32767, which IMHO spoils - * the precision. - * - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Pen), ; Pen (02h, application collection) - * Collection (Application), - * Report ID (7), - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (Tip Switch), ; Tip switch (42h, momentary control) - * Usage (Barrel Switch), ; Barrel switch (44h, momentary control) - * Usage (Eraser), ; Eraser (45h, momentary control) - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (3), - * Input (Variable), - * Report Count (3), - * Input (Constant, Variable), - * Usage (In Range), ; In range (32h, momentary control) - * Report Count (1), - * Input (Variable), - * Report Count (1), - * Input (Constant, Variable), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Report Size (16), - * Report Count (1), - * Push, - * Unit Exponent (13), - * Unit (Inch^3), - * Physical Minimum (0), - * Physical Maximum (12000), - * Logical Maximum (24000), - * Input (Variable), - * Usage (Y), ; Y (31h, dynamic value) - * Physical Maximum (9000), - * Logical Maximum (18000), - * Input (Variable), - * Pop, - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value) - * Logical Maximum (1023), - * Input (Variable), - * Report Size (16), - * End Collection, - * End Collection, - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Mouse), ; Mouse (02h, application collection) - * Collection (Application), - * Report ID (8), - * Usage (Pointer), ; Pointer (01h, physical collection) - * Collection (Physical), - * Usage Page (Button), ; Button (09h) - * Usage Minimum (01h), - * Usage Maximum (03h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Count (3), - * Report Size (1), - * Input (Variable), - * Report Count (5), - * Input (Constant), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Usage (Y), ; Y (31h, dynamic value) - * Usage (Wheel), ; Wheel (38h, dynamic value) - * Usage (00h), - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (4), - * Input (Variable, Relative), - * End Collection, - * End Collection, - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Mouse), ; Mouse (02h, application collection) - * Collection (Application), - * Report ID (9), - * Usage (Pointer), ; Pointer (01h, physical collection) - * Collection (Physical), - * Usage Page (Button), ; Button (09h) - * Usage Minimum (01h), - * Usage Maximum (03h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Count (3), - * Report Size (1), - * Input (Variable), - * Report Count (5), - * Input (Constant), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Usage (Y), ; Y (31h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (32767), - * Physical Minimum (0), - * Physical Maximum (32767), - * Report Count (2), - * Report Size (16), - * Input (Variable), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value) - * Logical Maximum (1023), - * Report Count (1), - * Report Size (16), - * Input (Variable), - * End Collection, - * End Collection, - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (00h), - * Collection (Application), - * Report ID (4), - * Logical Minimum (0), - * Logical Maximum (255), - * Usage (00h), - * Report Size (8), - * Report Count (3), - * Feature (Variable), - * End Collection + * See WP1062 description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP1062 */ -/* Size of the original descriptor of PF1209 tablet */ -#define PF1209_RDESC_ORIG_SIZE 234 +/* Size of the original descriptor of WP1062 tablet */ +#define WP1062_RDESC_ORIG_SIZE 254 + +/* Fixed WP1062 report descriptor */ +static __u8 wp1062_rdesc_fixed[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x09, /* Report ID (9), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x01, /* Input (Constant), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x14, /* Logical Minimum (0), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ + 0x26, 0x20, 0x4E, /* Logical Maximum (20000), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0xB7, 0x19, /* Physical Maximum (6583), */ + 0x26, 0x6E, 0x33, /* Logical Maximum (13166), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; /* - * Fixed PF1209 report descriptor - * - * The descriptor is fixed similarly to WP5540U and WP8060U, plus the - * feature report is removed, because its purpose is unknown and it is of no - * use to the generic HID driver anyway for now. + * See PF1209 description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_PF1209 */ + +/* Size of the original descriptor of PF1209 tablet */ +#define PF1209_RDESC_ORIG_SIZE 234 + +/* Fixed PF1209 report descriptor */ static __u8 pf1209_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ @@ -556,9 +353,205 @@ static __u8 pf1209_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +/* + * See TWHL850 description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Wireless_Tablet_TWHL850 + */ + +/* Size of the original descriptors of TWHL850 tablet */ +#define TWHL850_RDESC_ORIG_SIZE0 182 +#define TWHL850_RDESC_ORIG_SIZE1 161 +#define TWHL850_RDESC_ORIG_SIZE2 92 + +/* Fixed PID 0522 tablet report descriptor, interface 0 (stylus) */ +static __u8 twhl850_rdesc_fixed0[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x09, /* Report ID (9), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x81, 0x02, /* Input (Variable), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x95, 0x01, /* Report Count (1), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x81, 0x02, /* Input (Variable), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */ + 0x26, 0x00, 0x7D, /* Logical Maximum (32000), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x88, 0x13, /* Physical Maximum (5000), */ + 0x26, 0x20, 0x4E, /* Logical Maximum (20000), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* Fixed PID 0522 tablet report descriptor, interface 1 (mouse) */ +static __u8 twhl850_rdesc_fixed1[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x02, /* Usage (Mouse), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x01, /* Report ID (1), */ + 0x09, 0x01, /* Usage (Pointer), */ + 0xA0, /* Collection (Physical), */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x03, /* Usage Maximum (03h), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x05, /* Report Count (5), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x30, /* Usage (X), */ + 0x09, 0x31, /* Usage (Y), */ + 0x16, 0x00, 0x80, /* Logical Minimum (-32768), */ + 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x06, /* Input (Variable, Relative), */ + 0x09, 0x38, /* Usage (Wheel), */ + 0x15, 0xFF, /* Logical Minimum (-1), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x01, /* Report Count (1), */ + 0x75, 0x08, /* Report Size (8), */ + 0x81, 0x06, /* Input (Variable, Relative), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* Fixed PID 0522 tablet report descriptor, interface 2 (frame buttons) */ +static __u8 twhl850_rdesc_fixed2[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x03, /* Report ID (3), */ + 0x05, 0x07, /* Usage Page (Keyboard), */ + 0x14, /* Logical Minimum (0), */ + 0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */ + 0x29, 0xE7, /* Usage Maximum (KB Right GUI), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x02, /* Input (Variable), */ + 0x18, /* Usage Minimum (None), */ + 0x29, 0xFF, /* Usage Maximum (FFh), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x06, /* Report Count (6), */ + 0x80, /* Input, */ + 0xC0 /* End Collection */ +}; + +/* + * See TWHA60 description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_TWHA60 + */ + +/* Size of the original descriptors of TWHA60 tablet */ +#define TWHA60_RDESC_ORIG_SIZE0 254 +#define TWHA60_RDESC_ORIG_SIZE1 139 + +/* Fixed TWHA60 report descriptor, interface 0 (stylus) */ +static __u8 twha60_rdesc_fixed0[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x09, /* Report ID (9), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x01, /* Input (Constant), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x14, /* Logical Minimum (0), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ + 0x27, 0x3F, 0x9C, + 0x00, 0x00, /* Logical Maximum (39999), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x6A, 0x18, /* Physical Maximum (6250), */ + 0x26, 0xA7, 0x61, /* Logical Maximum (24999), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */ +static __u8 twha60_rdesc_fixed1[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x05, /* Report ID (5), */ + 0x05, 0x07, /* Usage Page (Keyboard), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x01, /* Input (Constant), */ + 0x95, 0x0C, /* Report Count (12), */ + 0x19, 0x3A, /* Usage Minimum (KB F1), */ + 0x29, 0x45, /* Usage Maximum (KB F12), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x0C, /* Report Count (12), */ + 0x19, 0x68, /* Usage Minimum (KB F13), */ + 0x29, 0x73, /* Usage Maximum (KB F24), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0 /* End Collection */ +}; + static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { + struct usb_interface *iface = to_usb_interface(hdev->dev.parent); + __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; + switch (hdev->product) { case USB_DEVICE_ID_UCLOGIC_TABLET_PF1209: if (*rsize == PF1209_RDESC_ORIG_SIZE) { @@ -584,6 +577,50 @@ static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, *rsize = sizeof(wp8060u_rdesc_fixed); } break; + case USB_DEVICE_ID_UCLOGIC_TABLET_WP1062: + if (*rsize == WP1062_RDESC_ORIG_SIZE) { + rdesc = wp1062_rdesc_fixed; + *rsize = sizeof(wp1062_rdesc_fixed); + } + break; + case USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850: + switch (iface_num) { + case 0: + if (*rsize == TWHL850_RDESC_ORIG_SIZE0) { + rdesc = twhl850_rdesc_fixed0; + *rsize = sizeof(twhl850_rdesc_fixed0); + } + break; + case 1: + if (*rsize == TWHL850_RDESC_ORIG_SIZE1) { + rdesc = twhl850_rdesc_fixed1; + *rsize = sizeof(twhl850_rdesc_fixed1); + } + break; + case 2: + if (*rsize == TWHL850_RDESC_ORIG_SIZE2) { + rdesc = twhl850_rdesc_fixed2; + *rsize = sizeof(twhl850_rdesc_fixed2); + } + break; + } + break; + case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60: + switch (iface_num) { + case 0: + if (*rsize == TWHA60_RDESC_ORIG_SIZE0) { + rdesc = twha60_rdesc_fixed0; + *rsize = sizeof(twha60_rdesc_fixed0); + } + break; + case 1: + if (*rsize == TWHA60_RDESC_ORIG_SIZE1) { + rdesc = twha60_rdesc_fixed1; + *rsize = sizeof(twha60_rdesc_fixed1); + } + break; + } + break; } return rdesc; @@ -598,6 +635,12 @@ static const struct hid_device_id uclogic_devices[] = { USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, { } }; MODULE_DEVICE_TABLE(hid, uclogic_devices); @@ -607,17 +650,6 @@ static struct hid_driver uclogic_driver = { .id_table = uclogic_devices, .report_fixup = uclogic_report_fixup, }; +module_hid_driver(uclogic_driver); -static int __init uclogic_init(void) -{ - return hid_register_driver(&uclogic_driver); -} - -static void __exit uclogic_exit(void) -{ - hid_unregister_driver(&uclogic_driver); -} - -module_init(uclogic_init); -module_exit(uclogic_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 724f46ed612..902013ec041 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -5,10 +5,10 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com> * Copyright (c) 2006 Andrew Zabolotny <zap@homelink.ru> * Copyright (c) 2009 Bastien Nocera <hadess@hadess.net> + * Copyright (c) 2011 PrzemysÅ‚aw Firszt <przemo@firszt.eu> */ /* @@ -18,60 +18,286 @@ * any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> +#include <linux/leds.h> #include <linux/slab.h> -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY #include <linux/power_supply.h> -#endif #include "hid-ids.h" +#define PAD_DEVICE_ID 0x0F + +#define WAC_CMD_LED_CONTROL 0x20 +#define WAC_CMD_ICON_START_STOP 0x21 +#define WAC_CMD_ICON_TRANSFER 0x26 + struct wacom_data { __u16 tool; - unsigned char butstate; + __u16 butstate; + __u8 whlstate; + __u8 features; + __u32 id; + __u32 serial; unsigned char high_speed; -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY - int battery_capacity; + __u8 battery_capacity; + __u8 power_raw; + __u8 ps_connected; + __u8 bat_charging; struct power_supply battery; struct power_supply ac; -#endif + __u8 led_selector; + struct led_classdev *leds[4]; }; -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY -/*percent of battery capacity, 0 means AC online*/ -static unsigned short batcap[8] = { 1, 15, 25, 35, 50, 70, 100, 0 }; +/*percent of battery capacity for Graphire + 8th value means AC online and show 100% capacity */ +static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 }; +/*percent of battery capacity for Intuos4 WL, AC has a separate bit*/ +static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 }; static enum power_supply_property wacom_battery_props[] = { POWER_SUPPLY_PROP_PRESENT, - POWER_SUPPLY_PROP_CAPACITY + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_STATUS, }; static enum power_supply_property wacom_ac_props[] = { POWER_SUPPLY_PROP_PRESENT, - POWER_SUPPLY_PROP_ONLINE + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_SCOPE, }; +static void wacom_scramble(__u8 *image) +{ + __u16 mask; + __u16 s1; + __u16 s2; + __u16 r1 ; + __u16 r2 ; + __u16 r; + __u8 buf[256]; + int i, w, x, y, z; + + for (x = 0; x < 32; x++) { + for (y = 0; y < 8; y++) + buf[(8 * x) + (7 - y)] = image[(8 * x) + y]; + } + + /* Change 76543210 into GECA6420 as required by Intuos4 WL + * HGFEDCBA HFDB7531 + */ + for (x = 0; x < 4; x++) { + for (y = 0; y < 4; y++) { + for (z = 0; z < 8; z++) { + mask = 0x0001; + r1 = 0; + r2 = 0; + i = (x << 6) + (y << 4) + z; + s1 = buf[i]; + s2 = buf[i+8]; + for (w = 0; w < 8; w++) { + r1 |= (s1 & mask); + r2 |= (s2 & mask); + s1 <<= 1; + s2 <<= 1; + mask <<= 2; + } + r = r1 | (r2 << 1); + i = (x << 6) + (y << 4) + (z << 1); + image[i] = 0xFF & r; + image[i+1] = (0xFF00 & r) >> 8; + } + } + } +} + +static void wacom_set_image(struct hid_device *hdev, const char *image, + __u8 icon_no) +{ + __u8 rep_data[68]; + __u8 p[256]; + int ret, i, j; + + for (i = 0; i < 256; i++) + p[i] = image[i]; + + rep_data[0] = WAC_CMD_ICON_START_STOP; + rep_data[1] = 0; + ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret < 0) + goto err; + + rep_data[0] = WAC_CMD_ICON_TRANSFER; + rep_data[1] = icon_no & 0x07; + + wacom_scramble(p); + + for (i = 0; i < 4; i++) { + for (j = 0; j < 64; j++) + rep_data[j + 3] = p[(i << 6) + j]; + + rep_data[2] = i; + ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 67, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + } + + rep_data[0] = WAC_CMD_ICON_START_STOP; + rep_data[1] = 0; + + ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + +err: + return; +} + +static void wacom_leds_set_brightness(struct led_classdev *led_dev, + enum led_brightness value) +{ + struct device *dev = led_dev->dev->parent; + struct hid_device *hdev; + struct wacom_data *wdata; + unsigned char *buf; + __u8 led = 0; + int i; + + hdev = container_of(dev, struct hid_device, dev); + wdata = hid_get_drvdata(hdev); + for (i = 0; i < 4; ++i) { + if (wdata->leds[i] == led_dev) + wdata->led_selector = i; + } + + led = wdata->led_selector | 0x04; + buf = kzalloc(9, GFP_KERNEL); + if (buf) { + buf[0] = WAC_CMD_LED_CONTROL; + buf[1] = led; + buf[2] = value >> 2; + buf[3] = value; + /* use fixed brightness for OLEDs */ + buf[4] = 0x08; + hid_hw_raw_request(hdev, buf[0], buf, 9, HID_FEATURE_REPORT, + HID_REQ_SET_REPORT); + kfree(buf); + } + + return; +} + +static enum led_brightness wacom_leds_get_brightness(struct led_classdev *led_dev) +{ + struct wacom_data *wdata; + struct device *dev = led_dev->dev->parent; + int value = 0; + int i; + + wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); + + for (i = 0; i < 4; ++i) { + if (wdata->leds[i] == led_dev) { + value = wdata->leds[i]->brightness; + break; + } + } + + return value; +} + + +static int wacom_initialize_leds(struct hid_device *hdev) +{ + struct wacom_data *wdata = hid_get_drvdata(hdev); + struct led_classdev *led; + struct device *dev = &hdev->dev; + size_t namesz = strlen(dev_name(dev)) + 12; + char *name; + int i, ret; + + wdata->led_selector = 0; + + for (i = 0; i < 4; i++) { + led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL); + if (!led) { + hid_warn(hdev, + "can't allocate memory for LED selector\n"); + ret = -ENOMEM; + goto err; + } + + name = (void *)&led[1]; + snprintf(name, namesz, "%s:selector:%d", dev_name(dev), i); + led->name = name; + led->brightness = 0; + led->max_brightness = 127; + led->brightness_get = wacom_leds_get_brightness; + led->brightness_set = wacom_leds_set_brightness; + + wdata->leds[i] = led; + + ret = led_classdev_register(dev, wdata->leds[i]); + + if (ret) { + wdata->leds[i] = NULL; + kfree(led); + hid_warn(hdev, "can't register LED\n"); + goto err; + } + } + +err: + return ret; +} + +static void wacom_destroy_leds(struct hid_device *hdev) +{ + struct wacom_data *wdata = hid_get_drvdata(hdev); + struct led_classdev *led; + int i; + + for (i = 0; i < 4; ++i) { + if (wdata->leds[i]) { + led = wdata->leds[i]; + wdata->leds[i] = NULL; + led_classdev_unregister(led); + kfree(led); + } + } + +} + static int wacom_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct wacom_data *wdata = container_of(psy, struct wacom_data, battery); - int power_state = batcap[wdata->battery_capacity]; int ret = 0; switch (psp) { case POWER_SUPPLY_PROP_PRESENT: val->intval = 1; break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; case POWER_SUPPLY_PROP_CAPACITY: - /* show 100% battery capacity when charging */ - if (power_state == 0) - val->intval = 100; + val->intval = wdata->battery_capacity; + break; + case POWER_SUPPLY_PROP_STATUS: + if (wdata->bat_charging) + val->intval = POWER_SUPPLY_STATUS_CHARGING; else - val->intval = power_state; + if (wdata->battery_capacity == 100 && wdata->ps_connected) + val->intval = POWER_SUPPLY_STATUS_FULL; + else + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; break; default: ret = -EINVAL; @@ -85,17 +311,16 @@ static int wacom_ac_get_property(struct power_supply *psy, union power_supply_propval *val) { struct wacom_data *wdata = container_of(psy, struct wacom_data, ac); - int power_state = batcap[wdata->battery_capacity]; int ret = 0; switch (psp) { case POWER_SUPPLY_PROP_PRESENT: /* fall through */ case POWER_SUPPLY_PROP_ONLINE: - if (power_state == 0) - val->intval = 1; - else - val->intval = 0; + val->intval = wdata->ps_connected; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; break; default: ret = -EINVAL; @@ -103,46 +328,65 @@ static int wacom_ac_get_property(struct power_supply *psy, } return ret; } -#endif -static void wacom_poke(struct hid_device *hdev, u8 speed) +static void wacom_set_features(struct hid_device *hdev, u8 speed) { struct wacom_data *wdata = hid_get_drvdata(hdev); int limit, ret; - char rep_data[2]; - - rep_data[0] = 0x03 ; rep_data[1] = 0x00; - limit = 3; - do { - ret = hdev->hid_output_raw_report(hdev, rep_data, 2, - HID_FEATURE_REPORT); - } while (ret < 0 && limit-- > 0); - - if (ret >= 0) { - if (speed == 0) - rep_data[0] = 0x05; - else - rep_data[0] = 0x06; + __u8 rep_data[2]; - rep_data[1] = 0x00; + switch (hdev->product) { + case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: + rep_data[0] = 0x03 ; rep_data[1] = 0x00; limit = 3; do { - ret = hdev->hid_output_raw_report(hdev, rep_data, 2, - HID_FEATURE_REPORT); + ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); } while (ret < 0 && limit-- > 0); if (ret >= 0) { - wdata->high_speed = speed; - return; + if (speed == 0) + rep_data[0] = 0x05; + else + rep_data[0] = 0x06; + + rep_data[1] = 0x00; + limit = 3; + do { + ret = hid_hw_raw_request(hdev, rep_data[0], + rep_data, 2, HID_FEATURE_REPORT, + HID_REQ_SET_REPORT); + } while (ret < 0 && limit-- > 0); + + if (ret >= 0) { + wdata->high_speed = speed; + return; + } } + + /* + * Note that if the raw queries fail, it's not a hard failure + * and it is safe to continue + */ + hid_warn(hdev, "failed to poke device, command %d, err %d\n", + rep_data[0], ret); + break; + case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: + if (speed == 1) + wdata->features &= ~0x20; + else + wdata->features |= 0x20; + + rep_data[0] = 0x03; + rep_data[1] = wdata->features; + + ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + if (ret >= 0) + wdata->high_speed = speed; + break; } - /* - * Note that if the raw queries fail, it's not a hard failure and it - * is safe to continue - */ - dev_warn(&hdev->dev, "failed to poke device, command %d, err %d\n", - rep_data[0], ret); return; } @@ -166,35 +410,50 @@ static ssize_t wacom_store_speed(struct device *dev, return -EINVAL; if (new_speed == 0 || new_speed == 1) { - wacom_poke(hdev, new_speed); + wacom_set_features(hdev, new_speed); return strnlen(buf, PAGE_SIZE); } else return -EINVAL; } -static DEVICE_ATTR(speed, S_IRUGO | S_IWUGO, +static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP, wacom_show_speed, wacom_store_speed); -static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, - u8 *raw_data, int size) +#define WACOM_STORE(OLED_ID) \ +static ssize_t wacom_oled##OLED_ID##_store(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct hid_device *hdev = container_of(dev, struct hid_device, \ + dev); \ + \ + if (count != 256) \ + return -EINVAL; \ + \ + wacom_set_image(hdev, buf, OLED_ID); \ + \ + return count; \ +} \ + \ +static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \ + wacom_oled##OLED_ID##_store) + +WACOM_STORE(0); +WACOM_STORE(1); +WACOM_STORE(2); +WACOM_STORE(3); +WACOM_STORE(4); +WACOM_STORE(5); +WACOM_STORE(6); +WACOM_STORE(7); + +static int wacom_gr_parse_report(struct hid_device *hdev, + struct wacom_data *wdata, + struct input_dev *input, unsigned char *data) { - struct wacom_data *wdata = hid_get_drvdata(hdev); - struct hid_input *hidinput; - struct input_dev *input; - unsigned char *data = (unsigned char *) raw_data; int tool, x, y, rw; - if (!(hdev->claimed & HID_CLAIMED_INPUT)) - return 0; - tool = 0; - hidinput = list_entry(hdev->inputs.next, struct hid_input, list); - input = hidinput->input; - - /* Check if this is a tablet report */ - if (data[0] != 0x03) - return 0; - /* Get X & Y positions */ x = le16_to_cpu(*(__le16 *) &data[2]); y = le16_to_cpu(*(__le16 *) &data[4]); @@ -293,26 +552,279 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, input_sync(input); } -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY - /* Store current battery capacity */ + /* Store current battery capacity and power supply state*/ rw = (data[7] >> 2 & 0x07); - if (rw != wdata->battery_capacity) - wdata->battery_capacity = rw; -#endif + if (rw != wdata->power_raw) { + wdata->power_raw = rw; + wdata->battery_capacity = batcap_gr[rw]; + if (rw == 7) + wdata->ps_connected = 1; + else + wdata->ps_connected = 0; + } return 1; } -static int wacom_probe(struct hid_device *hdev, - const struct hid_device_id *id) +static void wacom_i4_parse_button_report(struct wacom_data *wdata, + struct input_dev *input, unsigned char *data) { + __u16 new_butstate; + __u8 new_whlstate; + __u8 sync = 0; + + new_whlstate = data[1]; + if (new_whlstate != wdata->whlstate) { + wdata->whlstate = new_whlstate; + if (new_whlstate & 0x80) { + input_report_key(input, BTN_TOUCH, 1); + input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f)); + input_report_key(input, BTN_TOOL_FINGER, 1); + } else { + input_report_key(input, BTN_TOUCH, 0); + input_report_abs(input, ABS_WHEEL, 0); + input_report_key(input, BTN_TOOL_FINGER, 0); + } + sync = 1; + } + + new_butstate = (data[3] << 1) | (data[2] & 0x01); + if (new_butstate != wdata->butstate) { + wdata->butstate = new_butstate; + input_report_key(input, BTN_0, new_butstate & 0x001); + input_report_key(input, BTN_1, new_butstate & 0x002); + input_report_key(input, BTN_2, new_butstate & 0x004); + input_report_key(input, BTN_3, new_butstate & 0x008); + input_report_key(input, BTN_4, new_butstate & 0x010); + input_report_key(input, BTN_5, new_butstate & 0x020); + input_report_key(input, BTN_6, new_butstate & 0x040); + input_report_key(input, BTN_7, new_butstate & 0x080); + input_report_key(input, BTN_8, new_butstate & 0x100); + input_report_key(input, BTN_TOOL_FINGER, 1); + sync = 1; + } + + if (sync) { + input_report_abs(input, ABS_MISC, PAD_DEVICE_ID); + input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff); + input_sync(input); + } +} + +static void wacom_i4_parse_pen_report(struct wacom_data *wdata, + struct input_dev *input, unsigned char *data) +{ + __u16 x, y, pressure; + __u8 distance; + __u8 tilt_x, tilt_y; + + switch (data[1]) { + case 0x80: /* Out of proximity report */ + input_report_key(input, BTN_TOUCH, 0); + input_report_abs(input, ABS_PRESSURE, 0); + input_report_key(input, BTN_STYLUS, 0); + input_report_key(input, BTN_STYLUS2, 0); + input_report_key(input, wdata->tool, 0); + input_report_abs(input, ABS_MISC, 0); + input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); + wdata->tool = 0; + input_sync(input); + break; + case 0xC2: /* Tool report */ + wdata->id = ((data[2] << 4) | (data[3] >> 4) | + ((data[7] & 0x0f) << 20) | + ((data[8] & 0xf0) << 12)); + wdata->serial = ((data[3] & 0x0f) << 28) + + (data[4] << 20) + (data[5] << 12) + + (data[6] << 4) + (data[7] >> 4); + + switch (wdata->id) { + case 0x100802: + wdata->tool = BTN_TOOL_PEN; + break; + case 0x10080A: + wdata->tool = BTN_TOOL_RUBBER; + break; + } + break; + default: /* Position/pressure report */ + x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1); + y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01); + pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5) + | (data[1] & 0x01); + distance = (data[9] >> 2) & 0x3f; + tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7); + tilt_y = data[8] & 0x7f; + + input_report_key(input, BTN_TOUCH, pressure > 1); + + input_report_key(input, BTN_STYLUS, data[1] & 0x02); + input_report_key(input, BTN_STYLUS2, data[1] & 0x04); + input_report_key(input, wdata->tool, 1); + input_report_abs(input, ABS_X, x); + input_report_abs(input, ABS_Y, y); + input_report_abs(input, ABS_PRESSURE, pressure); + input_report_abs(input, ABS_DISTANCE, distance); + input_report_abs(input, ABS_TILT_X, tilt_x); + input_report_abs(input, ABS_TILT_Y, tilt_y); + input_report_abs(input, ABS_MISC, wdata->id); + input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); + input_report_key(input, wdata->tool, 1); + input_sync(input); + break; + } + + return; +} + +static void wacom_i4_parse_report(struct hid_device *hdev, + struct wacom_data *wdata, + struct input_dev *input, unsigned char *data) +{ + switch (data[0]) { + case 0x00: /* Empty report */ + break; + case 0x02: /* Pen report */ + wacom_i4_parse_pen_report(wdata, input, data); + break; + case 0x03: /* Features Report */ + wdata->features = data[2]; + break; + case 0x0C: /* Button report */ + wacom_i4_parse_button_report(wdata, input, data); + break; + default: + hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]); + break; + } +} + +static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ + struct wacom_data *wdata = hid_get_drvdata(hdev); struct hid_input *hidinput; struct input_dev *input; + unsigned char *data = (unsigned char *) raw_data; + int i; + __u8 power_raw; + + if (!(hdev->claimed & HID_CLAIMED_INPUT)) + return 0; + + hidinput = list_entry(hdev->inputs.next, struct hid_input, list); + input = hidinput->input; + + switch (hdev->product) { + case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: + if (data[0] == 0x03) { + return wacom_gr_parse_report(hdev, wdata, input, data); + } else { + hid_err(hdev, "Unknown report: %d,%d size:%d\n", + data[0], data[1], size); + return 0; + } + break; + case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: + i = 1; + + switch (data[0]) { + case 0x04: + wacom_i4_parse_report(hdev, wdata, input, data + i); + i += 10; + /* fall through */ + case 0x03: + wacom_i4_parse_report(hdev, wdata, input, data + i); + i += 10; + wacom_i4_parse_report(hdev, wdata, input, data + i); + power_raw = data[i+10]; + if (power_raw != wdata->power_raw) { + wdata->power_raw = power_raw; + wdata->battery_capacity = batcap_i4[power_raw & 0x07]; + wdata->bat_charging = (power_raw & 0x08) ? 1 : 0; + wdata->ps_connected = (power_raw & 0x10) ? 1 : 0; + } + + break; + default: + hid_err(hdev, "Unknown report: %d,%d size:%d\n", + data[0], data[1], size); + return 0; + } + } + return 1; +} + +static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, unsigned long **bit, + int *max) +{ + struct input_dev *input = hi->input; + + __set_bit(INPUT_PROP_POINTER, input->propbit); + + /* Basics */ + input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); + + __set_bit(REL_WHEEL, input->relbit); + + __set_bit(BTN_TOOL_PEN, input->keybit); + __set_bit(BTN_TOUCH, input->keybit); + __set_bit(BTN_STYLUS, input->keybit); + __set_bit(BTN_STYLUS2, input->keybit); + __set_bit(BTN_LEFT, input->keybit); + __set_bit(BTN_RIGHT, input->keybit); + __set_bit(BTN_MIDDLE, input->keybit); + + /* Pad */ + input_set_capability(input, EV_MSC, MSC_SERIAL); + + __set_bit(BTN_0, input->keybit); + __set_bit(BTN_1, input->keybit); + __set_bit(BTN_TOOL_FINGER, input->keybit); + + /* Distance, rubber and mouse */ + __set_bit(BTN_TOOL_RUBBER, input->keybit); + __set_bit(BTN_TOOL_MOUSE, input->keybit); + + switch (hdev->product) { + case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: + input_set_abs_params(input, ABS_X, 0, 16704, 4, 0); + input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0); + input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0); + input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0); + break; + case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: + __set_bit(ABS_WHEEL, input->absbit); + __set_bit(ABS_MISC, input->absbit); + __set_bit(BTN_2, input->keybit); + __set_bit(BTN_3, input->keybit); + __set_bit(BTN_4, input->keybit); + __set_bit(BTN_5, input->keybit); + __set_bit(BTN_6, input->keybit); + __set_bit(BTN_7, input->keybit); + __set_bit(BTN_8, input->keybit); + input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0); + input_set_abs_params(input, ABS_X, 0, 40640, 4, 0); + input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0); + input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0); + input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0); + input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0); + input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0); + break; + } + + return 0; +} + +static int wacom_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ struct wacom_data *wdata; int ret; wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); if (wdata == NULL) { - dev_err(&hdev->dev, "can't alloc wacom descriptor\n"); + hid_err(hdev, "can't alloc wacom descriptor\n"); return -ENOMEM; } @@ -321,25 +833,50 @@ static int wacom_probe(struct hid_device *hdev, /* Parse the HID report now */ ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err_free; } ret = device_create_file(&hdev->dev, &dev_attr_speed); if (ret) - dev_warn(&hdev->dev, - "can't create sysfs speed attribute err: %d\n", ret); - - /* Set Wacom mode 2 with high reporting speed */ - wacom_poke(hdev, 1); + hid_warn(hdev, + "can't create sysfs speed attribute err: %d\n", ret); + +#define OLED_INIT(OLED_ID) \ + do { \ + ret = device_create_file(&hdev->dev, \ + &dev_attr_oled##OLED_ID##_img); \ + if (ret) \ + hid_warn(hdev, \ + "can't create sysfs oled attribute, err: %d\n", ret);\ + } while (0) + +OLED_INIT(0); +OLED_INIT(1); +OLED_INIT(2); +OLED_INIT(3); +OLED_INIT(4); +OLED_INIT(5); +OLED_INIT(6); +OLED_INIT(7); + + wdata->features = 0; + wacom_set_features(hdev, 1); + + if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) { + sprintf(hdev->name, "%s", "Wacom Intuos4 WL"); + ret = wacom_initialize_leds(hdev); + if (ret) + hid_warn(hdev, + "can't create led attribute, err: %d\n", ret); + } -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY wdata->battery.properties = wacom_battery_props; wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props); wdata->battery.get_property = wacom_battery_get_property; @@ -347,17 +884,16 @@ static int wacom_probe(struct hid_device *hdev, wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; wdata->battery.use_for_apm = 0; + ret = power_supply_register(&hdev->dev, &wdata->battery); if (ret) { - dev_warn(&hdev->dev, - "can't create sysfs battery attribute, err: %d\n", ret); - /* - * battery attribute is not critical for the tablet, but if it - * failed then there is no need to create ac attribute - */ - goto move_on; + hid_err(hdev, "can't create sysfs battery attribute, err: %d\n", + ret); + goto err_battery; } + power_supply_powers(&wdata->battery, &hdev->dev); + wdata->ac.properties = wacom_ac_props; wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props); wdata->ac.get_property = wacom_ac_get_property; @@ -367,53 +903,28 @@ static int wacom_probe(struct hid_device *hdev, ret = power_supply_register(&hdev->dev, &wdata->ac); if (ret) { - dev_warn(&hdev->dev, + hid_err(hdev, "can't create ac battery attribute, err: %d\n", ret); - /* - * ac attribute is not critical for the tablet, but if it - * failed then we don't want to battery attribute to exist - */ - power_supply_unregister(&wdata->battery); + goto err_ac; } -move_on: -#endif - hidinput = list_entry(hdev->inputs.next, struct hid_input, list); - input = hidinput->input; - - /* Basics */ - input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); - - __set_bit(REL_WHEEL, input->relbit); - - __set_bit(BTN_TOOL_PEN, input->keybit); - __set_bit(BTN_TOUCH, input->keybit); - __set_bit(BTN_STYLUS, input->keybit); - __set_bit(BTN_STYLUS2, input->keybit); - __set_bit(BTN_LEFT, input->keybit); - __set_bit(BTN_RIGHT, input->keybit); - __set_bit(BTN_MIDDLE, input->keybit); - - /* Pad */ - input->evbit[0] |= BIT(EV_MSC); - - __set_bit(MSC_SERIAL, input->mscbit); - - __set_bit(BTN_0, input->keybit); - __set_bit(BTN_1, input->keybit); - __set_bit(BTN_TOOL_FINGER, input->keybit); - - /* Distance, rubber and mouse */ - __set_bit(BTN_TOOL_RUBBER, input->keybit); - __set_bit(BTN_TOOL_MOUSE, input->keybit); - - input_set_abs_params(input, ABS_X, 0, 16704, 4, 0); - input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0); - input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0); - input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0); - + power_supply_powers(&wdata->ac, &hdev->dev); return 0; +err_ac: + power_supply_unregister(&wdata->battery); +err_battery: + wacom_destroy_leds(hdev); + device_remove_file(&hdev->dev, &dev_attr_oled0_img); + device_remove_file(&hdev->dev, &dev_attr_oled1_img); + device_remove_file(&hdev->dev, &dev_attr_oled2_img); + device_remove_file(&hdev->dev, &dev_attr_oled3_img); + device_remove_file(&hdev->dev, &dev_attr_oled4_img); + device_remove_file(&hdev->dev, &dev_attr_oled5_img); + device_remove_file(&hdev->dev, &dev_attr_oled6_img); + device_remove_file(&hdev->dev, &dev_attr_oled7_img); + device_remove_file(&hdev->dev, &dev_attr_speed); + hid_hw_stop(hdev); err_free: kfree(wdata); return ret; @@ -421,20 +932,28 @@ err_free: static void wacom_remove(struct hid_device *hdev) { -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY struct wacom_data *wdata = hid_get_drvdata(hdev); -#endif + + wacom_destroy_leds(hdev); + device_remove_file(&hdev->dev, &dev_attr_oled0_img); + device_remove_file(&hdev->dev, &dev_attr_oled1_img); + device_remove_file(&hdev->dev, &dev_attr_oled2_img); + device_remove_file(&hdev->dev, &dev_attr_oled3_img); + device_remove_file(&hdev->dev, &dev_attr_oled4_img); + device_remove_file(&hdev->dev, &dev_attr_oled5_img); + device_remove_file(&hdev->dev, &dev_attr_oled6_img); + device_remove_file(&hdev->dev, &dev_attr_oled7_img); + device_remove_file(&hdev->dev, &dev_attr_speed); hid_hw_stop(hdev); -#ifdef CONFIG_HID_WACOM_POWER_SUPPLY power_supply_unregister(&wdata->battery); power_supply_unregister(&wdata->ac); -#endif kfree(hid_get_drvdata(hdev)); } static const struct hid_device_id wacom_devices[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, { } }; @@ -446,24 +965,9 @@ static struct hid_driver wacom_driver = { .probe = wacom_probe, .remove = wacom_remove, .raw_event = wacom_raw_event, + .input_mapped = wacom_input_mapped, }; +module_hid_driver(wacom_driver); -static int __init wacom_init(void) -{ - int ret; - - ret = hid_register_driver(&wacom_driver); - if (ret) - printk(KERN_ERR "can't register wacom driver\n"); - return ret; -} - -static void __exit wacom_exit(void) -{ - hid_unregister_driver(&wacom_driver); -} - -module_init(wacom_init); -module_exit(wacom_exit); +MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL"); MODULE_LICENSE("GPL"); - diff --git a/drivers/hid/hid-waltop.c b/drivers/hid/hid-waltop.c index b3a4163f2e6..059931d7b39 100644 --- a/drivers/hid/hid-waltop.c +++ b/drivers/hid/hid-waltop.c @@ -43,139 +43,14 @@ */ /* - * Original Slim Tablet 5.8 inch report descriptor. - * - * All the reports except the report with ID 16 (the stylus) are unused, - * possibly because the tablet is not configured to, or because they were - * just copied from a more capable model. The full purpose of features - * described for report ID 2 is unknown. - * - * The stylus buttons are described as three bit fields, whereas actually - * it's an "array", i.e. they're reported as button numbers (1, 2 and 3). - * The "eraser" field is not used. There is also a "push" without a "pop" in - * the stylus description. - * - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Mouse), ; Mouse (02h, application collection) - * Collection (Application), - * Report ID (1), - * Usage (Pointer), ; Pointer (01h, physical collection) - * Collection (Physical), - * Usage Page (Button), ; Button (09h) - * Usage Minimum (01h), - * Usage Maximum (05h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Size (3), - * Report Count (1), - * Input (Constant, Variable), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Usage (Y), ; Y (31h, dynamic value) - * Usage (Wheel), ; Wheel (38h, dynamic value) - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (3), - * Input (Variable, Relative), - * End Collection, - * End Collection, - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Pen), ; Pen (02h, application collection) - * Collection (Application), - * Report ID (2), - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * Usage (Azimuth), ; Azimuth (3Fh, dynamic value) - * Usage (Altitude), ; Altitude (40h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (2), - * Feature (Variable), - * End Collection, - * Report ID (5), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * End Collection, - * Report ID (10), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (3), - * Input (Variable), - * End Collection, - * Report ID (16), - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (Tip Switch), ; Tip switch (42h, momentary control) - * Usage (Barrel Switch), ; Barrel switch (44h, momentary control) - * Usage (Invert), ; Invert (3Ch, momentary control) - * Usage (Eraser), ; Eraser (45h, momentary control) - * Usage (In Range), ; In range (32h, momentary control) - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Count (3), - * Input (Constant, Variable), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Report Size (16), - * Report Count (1), - * Push, - * Unit Exponent (13), - * Unit (Inch^3), - * Logical Minimum (0), - * Logical Maximum (10000), - * Physical Minimum (0), - * Physical Maximum (10000), - * Input (Variable), - * Usage (Y), ; Y (31h, dynamic value) - * Logical Maximum (6000), - * Physical Maximum (6000), - * Input (Variable), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (1023), - * Physical Minimum (0), - * Physical Maximum (1023), - * Input (Variable), - * End Collection, - * End Collection + * See Slim Tablet 5.8 inch description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_Slim_Tablet_5.8%22 */ /* Size of the original report descriptor of Slim Tablet 5.8 inch */ #define SLIM_TABLET_5_8_INCH_RDESC_ORIG_SIZE 222 -/* - * Fixed Slim Tablet 5.8 inch descriptor. - * - * All the reports except the stylus report (ID 16) were removed as unused. - * The stylus buttons description was fixed. - */ +/* Fixed Slim Tablet 5.8 inch descriptor */ static __u8 slim_tablet_5_8_inch_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ @@ -224,158 +99,14 @@ static __u8 slim_tablet_5_8_inch_rdesc_fixed[] = { }; /* - * Original Slim Tablet 12.1 inch report descriptor. - * - * The descriptor is similar to the Slim Tablet 5.8 inch descriptor with the - * addition of a keyboard report, seemingly unused. It may have get here - * from a Media Tablet - probably an unimplemented feature. - * - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Mouse), ; Mouse (02h, application collection) - * Collection (Application), - * Report ID (1), - * Usage (Pointer), ; Pointer (01h, physical collection) - * Collection (Physical), - * Usage Page (Button), ; Button (09h) - * Usage Minimum (01h), - * Usage Maximum (05h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Size (3), - * Report Count (1), - * Input (Constant, Variable), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Usage (Y), ; Y (31h, dynamic value) - * Usage (Wheel), ; Wheel (38h, dynamic value) - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (3), - * Input (Variable, Relative), - * End Collection, - * End Collection, - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Pen), ; Pen (02h, application collection) - * Collection (Application), - * Report ID (2), - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * Usage (Azimuth), ; Azimuth (3Fh, dynamic value) - * Usage (Altitude), ; Altitude (40h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (2), - * Feature (Variable), - * End Collection, - * Report ID (5), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * End Collection, - * Report ID (10), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (3), - * Input (Variable), - * End Collection, - * Report ID (16), - * Usage (Stylus), ; Stylus (20h, logical collection) - * Collection (Physical), - * Usage (Tip Switch), ; Tip switch (42h, momentary control) - * Usage (Barrel Switch), ; Barrel switch (44h, momentary control) - * Usage (Invert), ; Invert (3Ch, momentary control) - * Usage (Eraser), ; Eraser (45h, momentary control) - * Usage (In Range), ; In range (32h, momentary control) - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Count (3), - * Input (Constant, Variable), - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (X), ; X (30h, dynamic value) - * Report Size (16), - * Report Count (1), - * Push, - * Unit Exponent (13), - * Unit (Inch^3), - * Logical Minimum (0), - * Logical Maximum (20000), - * Physical Minimum (0), - * Physical Maximum (20000), - * Input (Variable), - * Usage (Y), ; Y (31h, dynamic value) - * Logical Maximum (12500), - * Physical Maximum (12500), - * Input (Variable), - * Usage Page (Digitizer), ; Digitizer (0Dh) - * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (1023), - * Physical Minimum (0), - * Physical Maximum (1023), - * Input (Variable), - * End Collection, - * End Collection, - * Usage Page (Desktop), ; Generic desktop controls (01h) - * Usage (Keyboard), ; Keyboard (06h, application collection) - * Collection (Application), - * Report ID (13), - * Usage Page (Keyboard), ; Keyboard/keypad (07h) - * Usage Minimum (KB Leftcontrol), ; Keyboard left control - * ; (E0h, dynamic value) - * Usage Maximum (KB Right GUI), ; Keyboard right GUI (E7h, dynamic value) - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (8), - * Input (Variable), - * Report Size (8), - * Report Count (1), - * Input (Constant), - * Usage Page (Keyboard), ; Keyboard/keypad (07h) - * Usage Minimum (None), ; No event (00h, selector) - * Usage Maximum (KB Application), ; Keyboard Application (65h, selector) - * Logical Minimum (0), - * Logical Maximum (101), - * Report Size (8), - * Report Count (5), - * Input, - * End Collection + * See Slim Tablet 12.1 inch description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_Slim_Tablet_12.1%22 */ /* Size of the original report descriptor of Slim Tablet 12.1 inch */ #define SLIM_TABLET_12_1_INCH_RDESC_ORIG_SIZE 269 -/* - * Fixed Slim Tablet 12.1 inch descriptor. - * - * All the reports except the stylus report (ID 16) were removed as unused. - * The stylus buttons description was fixed. - */ +/* Fixed Slim Tablet 12.1 inch descriptor */ static __u8 slim_tablet_12_1_inch_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ @@ -424,217 +155,128 @@ static __u8 slim_tablet_12_1_inch_rdesc_fixed[] = { }; /* - * Original Media Tablet 10.6 inch report descriptor. - * - * There are at least two versions of this model in the wild. They are - * represented by Genius G-Pen M609 (older version) and Genius G-Pen M609X - * (newer version). - * - * Both versions have the usual pen with two barrel buttons and two - * identical wheels with center buttons in the top corners of the tablet - * base. They also have buttons on the top, between the wheels, for - * selecting the wheels' functions and wide/standard mode. In the wide mode - * the whole working surface is sensed, in the standard mode a narrower area - * is sensed, but the logical report extents remain the same. These modes - * correspond roughly to 16:9 and 4:3 aspect ratios respectively. - * - * The older version has three wheel function buttons ("scroll", "zoom" and - * "volume") and two separate buttons for wide and standard mode. The newer - * version has four wheel function buttons (plus "brush") and only one - * button is used for selecting wide/standard mode. So, the total number of - * buttons remains the same, but one of the mode buttons is repurposed as a - * wheels' function button in the newer version. - * - * The wheel functions are: - * scroll - the wheels act as scroll wheels, the center buttons switch - * between vertical and horizontal scrolling; - * zoom - the wheels zoom in/out, the buttons supposedly reset to 100%; - * volume - the wheels control the sound volume, the buttons mute; - * brush - the wheels are supposed to control brush width in a graphics - * editor, the buttons do nothing. - * - * Below is the newer version's report descriptor. It may very well be that - * the older version's descriptor is different and thus it won't be - * supported. - * - * The mouse report (ID 1) only uses the wheel field for reporting the tablet - * wheels' scroll mode. The keyboard report (ID 13) is used to report the - * wheels' zoom and brush control functions as key presses. The report ID 12 - * is used to report the wheels' volume control functions. The stylus report - * (ID 16) has the same problems as the Slim Tablet 5.8 inch report has. - * - * The rest of the reports are unused, at least in the default configuration. - * The purpose of the features is unknown. - * - * Usage Page (Desktop), - * Usage (Mouse), - * Collection (Application), - * Report ID (1), - * Usage (Pointer), - * Collection (Physical), - * Usage Page (Button), - * Usage Minimum (01h), - * Usage Maximum (05h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Size (3), - * Report Count (1), - * Input (Constant, Variable), - * Usage Page (Desktop), - * Usage (X), - * Usage (Y), - * Usage (Wheel), - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (3), - * Input (Variable, Relative), - * End Collection, - * End Collection, - * Usage Page (Digitizer), - * Usage (Pen), - * Collection (Application), - * Report ID (2), - * Usage (Stylus), - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * Usage (Azimuth), - * Usage (Altitude), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (2), - * Feature (Variable), - * End Collection, - * Report ID (5), - * Usage Page (Digitizer), - * Usage (Stylus), - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * End Collection, - * Report ID (10), - * Usage Page (Digitizer), - * Usage (Stylus), - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * End Collection, - * Report ID (16), - * Usage (Stylus), - * Collection (Physical), - * Usage (Tip Switch), - * Usage (Barrel Switch), - * Usage (Invert), - * Usage (Eraser), - * Usage (In Range), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Count (3), - * Input (Constant, Variable), - * Usage Page (Desktop), - * Usage (X), - * Report Size (16), - * Report Count (1), - * Push, - * Unit Exponent (13), - * Unit (Inch^3), - * Logical Minimum (0), - * Logical Maximum (18000), - * Physical Minimum (0), - * Physical Maximum (18000), - * Input (Variable), - * Usage (Y), - * Logical Maximum (11000), - * Physical Maximum (11000), - * Input (Variable), - * Usage Page (Digitizer), - * Usage (Tip Pressure), - * Logical Minimum (0), - * Logical Maximum (1023), - * Physical Minimum (0), - * Physical Maximum (1023), - * Input (Variable), - * End Collection, - * End Collection, - * Usage Page (Desktop), - * Usage (Keyboard), - * Collection (Application), - * Report ID (13), - * Usage Page (Keyboard), - * Usage Minimum (KB Leftcontrol), - * Usage Maximum (KB Right GUI), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (8), - * Input (Variable), - * Report Size (8), - * Report Count (1), - * Input (Constant), - * Usage Page (Keyboard), - * Usage Minimum (None), - * Usage Maximum (KB Application), - * Logical Minimum (0), - * Logical Maximum (101), - * Report Size (8), - * Report Count (5), - * Input, - * End Collection, - * Usage Page (Consumer), - * Usage (Consumer Control), - * Collection (Application), - * Report ID (12), - * Usage (Volume Inc), - * Usage (Volume Dec), - * Usage (Mute), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (3), - * Input (Variable, Relative), - * Report Size (5), - * Report Count (1), - * Input (Constant, Variable, Relative), - * End Collection + * See Q Pad description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_Q_Pad */ -/* Size of the original report descriptor of Media Tablet 10.6 inch */ -#define MEDIA_TABLET_10_6_INCH_RDESC_ORIG_SIZE 300 +/* Size of the original report descriptor of Q Pad */ +#define Q_PAD_RDESC_ORIG_SIZE 241 + +/* Fixed Q Pad descriptor */ +static __u8 q_pad_rdesc_fixed[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x15, 0x01, /* Logical Minimum (1), */ + 0x25, 0x03, /* Logical Maximum (3), */ + 0x75, 0x04, /* Report Size (4), */ + 0x95, 0x01, /* Report Count (1), */ + 0x80, /* Input, */ + 0x09, 0x32, /* Usage (In Range), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x14, /* Logical Minimum (0), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x70, 0x17, /* Physical Maximum (6000), */ + 0x26, 0x00, 0x30, /* Logical Maximum (12288), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x94, 0x11, /* Physical Maximum (4500), */ + 0x26, 0x00, 0x24, /* Logical Maximum (9216), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; /* - * Fixed Media Tablet 10.6 inch descriptor. - * - * The descriptions of reports unused in the default configuration are - * removed. The stylus report (ID 16) is fixed similarly to Slim Tablet 5.8 - * inch. The unused mouse report (ID 1) fields are replaced with constant - * padding. - * - * The keyboard report (ID 13) is hacked to instead have an "array" field - * reporting consumer page controls, and all the unused bits are masked out - * with constant padding. The "brush" wheels' function is represented as "Scan - * Previous/Next Track" controls due to the lack of brush controls in the - * usage tables specification. + * See description, device and HID report descriptors of tablet with PID 0038 at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_PID_0038 + */ + +/* Size of the original report descriptor of tablet with PID 0038 */ +#define PID_0038_RDESC_ORIG_SIZE 241 + +/* + * Fixed report descriptor for tablet with PID 0038. */ +static __u8 pid_0038_rdesc_fixed[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x15, 0x01, /* Logical Minimum (1), */ + 0x25, 0x03, /* Logical Maximum (3), */ + 0x75, 0x04, /* Report Size (4), */ + 0x95, 0x01, /* Report Count (1), */ + 0x80, /* Input, */ + 0x09, 0x32, /* Usage (In Range), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x14, /* Logical Minimum (0), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x2E, 0x22, /* Physical Maximum (8750), */ + 0x26, 0x00, 0x46, /* Logical Maximum (17920), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x82, 0x14, /* Physical Maximum (5250), */ + 0x26, 0x00, 0x2A, /* Logical Maximum (10752), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* + * See Media Tablet 10.6 inch description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_Media_Tablet_10.6%22 + */ + +/* Size of the original report descriptor of Media Tablet 10.6 inch */ +#define MEDIA_TABLET_10_6_INCH_RDESC_ORIG_SIZE 300 + +/* Fixed Media Tablet 10.6 inch descriptor */ static __u8 media_tablet_10_6_inch_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ @@ -745,187 +387,14 @@ static __u8 media_tablet_10_6_inch_rdesc_fixed[] = { }; /* - * Original Media Tablet 14.1 inch report descriptor. - * - * There are at least two versions of this model in the wild. They are - * represented by Genius G-Pen M712 (older version) and Genius G-Pen M712X - * (newer version). The hardware difference between these versions is the same - * as between older and newer versions of Media Tablet 10.6 inch. The report - * descriptors are identical for both versions. - * - * The function, behavior and report descriptor of this tablet is similar to - * that of Media Tablet 10.6 inch. However, there is one more field (with - * Consumer AC Pan usage) in the mouse description. Then the tablet X and Y - * logical extents both get scaled to 0..16383 range (a hardware limit?), - * which kind of defeats the advertised 4000 LPI resolution, considering the - * physical extents of 12x7.25 inches. Plus, reports 5, 10 and 255 are used - * sometimes (while moving the pen) with unknown purpose. Also, the key codes - * generated for zoom in/out are different. - * - * Usage Page (Desktop), - * Usage (Mouse), - * Collection (Application), - * Report ID (1), - * Usage (Pointer), - * Collection (Physical), - * Usage Page (Button), - * Usage Minimum (01h), - * Usage Maximum (05h), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Size (3), - * Report Count (1), - * Input (Constant, Variable), - * Usage Page (Desktop), - * Usage (X), - * Usage (Y), - * Usage (Wheel), - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (3), - * Input (Variable, Relative), - * Usage Page (Consumer), - * Logical Minimum (-127), - * Logical Maximum (127), - * Report Size (8), - * Report Count (1), - * Usage (AC Pan), - * Input (Variable, Relative), - * End Collection, - * End Collection, - * Usage Page (Digitizer), - * Usage (Pen), - * Collection (Application), - * Report ID (2), - * Usage (Stylus), - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * Usage (Azimuth), - * Usage (Altitude), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (2), - * Feature (Variable), - * End Collection, - * Report ID (5), - * Usage Page (Digitizer), - * Usage (Stylus), - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * End Collection, - * Report ID (10), - * Usage Page (Digitizer), - * Usage (Stylus), - * Collection (Physical), - * Usage (00h), - * Logical Minimum (0), - * Logical Maximum (255), - * Report Size (8), - * Report Count (7), - * Input (Variable), - * End Collection, - * Report ID (16), - * Usage (Stylus), - * Collection (Physical), - * Usage (Tip Switch), - * Usage (Barrel Switch), - * Usage (Invert), - * Usage (Eraser), - * Usage (In Range), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (5), - * Input (Variable), - * Report Count (3), - * Input (Constant, Variable), - * Usage Page (Desktop), - * Usage (X), - * Report Size (16), - * Report Count (1), - * Push, - * Unit Exponent (13), - * Unit (Inch^3), - * Logical Minimum (0), - * Logical Maximum (16383), - * Physical Minimum (0), - * Physical Maximum (16383), - * Input (Variable), - * Usage (Y), - * Input (Variable), - * Usage Page (Digitizer), - * Usage (Tip Pressure), - * Logical Minimum (0), - * Logical Maximum (1023), - * Physical Minimum (0), - * Physical Maximum (1023), - * Input (Variable), - * End Collection, - * End Collection, - * Usage Page (Desktop), - * Usage (Keyboard), - * Collection (Application), - * Report ID (13), - * Usage Page (Keyboard), - * Usage Minimum (KB Leftcontrol), - * Usage Maximum (KB Right GUI), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (8), - * Input (Variable), - * Report Size (8), - * Report Count (1), - * Input (Constant), - * Usage Page (Keyboard), - * Usage Minimum (None), - * Usage Maximum (KB Application), - * Logical Minimum (0), - * Logical Maximum (101), - * Report Size (8), - * Report Count (5), - * Input, - * End Collection, - * Usage Page (Consumer), - * Usage (Consumer Control), - * Collection (Application), - * Report ID (12), - * Usage (Volume Inc), - * Usage (Volume Dec), - * Usage (Mute), - * Logical Minimum (0), - * Logical Maximum (1), - * Report Size (1), - * Report Count (3), - * Input (Variable, Relative), - * Report Size (5), - * Report Count (1), - * Input (Constant, Variable, Relative), - * End Collection + * See Media Tablet 14.1 inch description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_Media_Tablet_14.1%22 */ /* Size of the original report descriptor of Media Tablet 14.1 inch */ #define MEDIA_TABLET_14_1_INCH_RDESC_ORIG_SIZE 309 -/* - * Fixed Media Tablet 14.1 inch descriptor. - * It is fixed similarly to the Media Tablet 10.6 inch descriptor. - */ +/* Fixed Media Tablet 14.1 inch descriptor */ static __u8 media_tablet_14_1_inch_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ @@ -1033,6 +502,142 @@ static __u8 media_tablet_14_1_inch_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +/* + * See Sirius Battery Free Tablet description, device and HID report descriptors + * at + * http://sf.net/apps/mediawiki/digimend/?title=Waltop_Sirius_Battery_Free_Tablet + */ + +/* Size of the original report descriptor of Sirius Battery Free Tablet */ +#define SIRIUS_BATTERY_FREE_TABLET_RDESC_ORIG_SIZE 335 + +/* Fixed Sirius Battery Free Tablet descriptor */ +static __u8 sirius_battery_free_tablet_rdesc_fixed[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x95, 0x01, /* Report Count (1), */ + 0x15, 0x01, /* Logical Minimum (1), */ + 0x25, 0x03, /* Logical Maximum (3), */ + 0x75, 0x02, /* Report Size (2), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x80, /* Input, */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x3C, /* Usage (Invert), */ + 0x81, 0x02, /* Input (Variable), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x14, /* Logical Minimum (0), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ + 0x26, 0x20, 0x4E, /* Logical Maximum (20000), */ + 0x09, 0x30, /* Usage (X), */ + 0x81, 0x02, /* Input (Variable), */ + 0x46, 0x70, 0x17, /* Physical Maximum (6000), */ + 0x26, 0xE0, 0x2E, /* Logical Maximum (12000), */ + 0x09, 0x31, /* Usage (Y), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x14, /* Logical Minimum (0), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x81, 0x02, /* Input (Variable), */ + 0xA4, /* Push, */ + 0x55, 0xFE, /* Unit Exponent (-2), */ + 0x65, 0x12, /* Unit (Radians), */ + 0x35, 0x97, /* Physical Minimum (-105), */ + 0x45, 0x69, /* Physical Maximum (105), */ + 0x15, 0x97, /* Logical Minimum (-105), */ + 0x25, 0x69, /* Logical Maximum (105), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x02, /* Report Count (2), */ + 0x09, 0x3D, /* Usage (X Tilt), */ + 0x09, 0x3E, /* Usage (Y Tilt), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0xC0, /* End Collection, */ + 0xC0, /* End Collection, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x02, /* Usage (Mouse), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x01, /* Report ID (1), */ + 0x09, 0x01, /* Usage (Pointer), */ + 0xA0, /* Collection (Physical), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x38, /* Usage (Wheel), */ + 0x15, 0xFF, /* Logical Minimum (-1), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x06, /* Input (Variable, Relative), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xC0, /* End Collection, */ + 0xC0, /* End Collection, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x0D, /* Report ID (13), */ + 0x05, 0x07, /* Usage Page (Keyboard), */ + 0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */ + 0x29, 0xE7, /* Usage Maximum (KB Right GUI), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x01, /* Input (Constant), */ + 0x18, /* Usage Minimum (None), */ + 0x29, 0x65, /* Usage Maximum (KB Application), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x65, /* Logical Maximum (101), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x05, /* Report Count (5), */ + 0x80, /* Input, */ + 0xC0, /* End Collection, */ + 0x05, 0x0C, /* Usage Page (Consumer), */ + 0x09, 0x01, /* Usage (Consumer Control), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x0C, /* Report ID (12), */ + 0x09, 0xE9, /* Usage (Volume Inc), */ + 0x09, 0xEA, /* Usage (Volume Dec), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x06, /* Report Size (6), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xC0 /* End Collection */ +}; + static __u8 *waltop_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { @@ -1049,6 +654,18 @@ static __u8 *waltop_report_fixup(struct hid_device *hdev, __u8 *rdesc, *rsize = sizeof(slim_tablet_12_1_inch_rdesc_fixed); } break; + case USB_DEVICE_ID_WALTOP_Q_PAD: + if (*rsize == Q_PAD_RDESC_ORIG_SIZE) { + rdesc = q_pad_rdesc_fixed; + *rsize = sizeof(q_pad_rdesc_fixed); + } + break; + case USB_DEVICE_ID_WALTOP_PID_0038: + if (*rsize == PID_0038_RDESC_ORIG_SIZE) { + rdesc = pid_0038_rdesc_fixed; + *rsize = sizeof(pid_0038_rdesc_fixed); + } + break; case USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH: if (*rsize == MEDIA_TABLET_10_6_INCH_RDESC_ORIG_SIZE) { rdesc = media_tablet_10_6_inch_rdesc_fixed; @@ -1061,19 +678,97 @@ static __u8 *waltop_report_fixup(struct hid_device *hdev, __u8 *rdesc, *rsize = sizeof(media_tablet_14_1_inch_rdesc_fixed); } break; + case USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET: + if (*rsize == SIRIUS_BATTERY_FREE_TABLET_RDESC_ORIG_SIZE) { + rdesc = sirius_battery_free_tablet_rdesc_fixed; + *rsize = sizeof(sirius_battery_free_tablet_rdesc_fixed); + } + break; } return rdesc; } +static int waltop_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size) +{ + /* If this is a pen input report */ + if (report->type == HID_INPUT_REPORT && report->id == 16 && size >= 8) { + /* + * Ignore reported pressure when a barrel button is pressed, + * because it is rarely correct. + */ + + /* If a barrel button is pressed */ + if ((data[1] & 0xF) > 1) { + /* Report zero pressure */ + data[6] = 0; + data[7] = 0; + } + } + + /* If this is a pen input report of Sirius Battery Free Tablet */ + if (hdev->product == USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET && + report->type == HID_INPUT_REPORT && + report->id == 16 && + size == 10) { + /* + * The tablet reports tilt as roughly sin(a)*21 (18 means 60 + * degrees). + * + * This array stores angles as radians * 100, corresponding to + * reported values up to 60 degrees, as expected by userspace. + */ + static const s8 tilt_to_radians[] = { + 0, 5, 10, 14, 19, 24, 29, 34, 40, 45, + 50, 56, 62, 68, 74, 81, 88, 96, 105 + }; + + s8 tilt_x = (s8)data[8]; + s8 tilt_y = (s8)data[9]; + s8 sign_x = tilt_x >= 0 ? 1 : -1; + s8 sign_y = tilt_y >= 0 ? 1 : -1; + + tilt_x *= sign_x; + tilt_y *= sign_y; + + /* + * Reverse the Y Tilt direction to match the HID standard and + * userspace expectations. See HID Usage Tables v1.12 16.3.2 + * Tilt Orientation. + */ + sign_y *= -1; + + /* + * This effectively clamps reported tilt to 60 degrees - the + * range expected by userspace + */ + if (tilt_x > ARRAY_SIZE(tilt_to_radians) - 1) + tilt_x = ARRAY_SIZE(tilt_to_radians) - 1; + if (tilt_y > ARRAY_SIZE(tilt_to_radians) - 1) + tilt_y = ARRAY_SIZE(tilt_to_radians) - 1; + + data[8] = tilt_to_radians[tilt_x] * sign_x; + data[9] = tilt_to_radians[tilt_y] * sign_y; + } + + return 0; +} + static const struct hid_device_id waltop_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, + USB_DEVICE_ID_WALTOP_Q_PAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, + USB_DEVICE_ID_WALTOP_PID_0038) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, + USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, { } }; MODULE_DEVICE_TABLE(hid, waltop_devices); @@ -1082,18 +777,8 @@ static struct hid_driver waltop_driver = { .name = "waltop", .id_table = waltop_devices, .report_fixup = waltop_report_fixup, + .raw_event = waltop_raw_event, }; +module_hid_driver(waltop_driver); -static int __init waltop_init(void) -{ - return hid_register_driver(&waltop_driver); -} - -static void __exit waltop_exit(void) -{ - hid_unregister_driver(&waltop_driver); -} - -module_init(waltop_init); -module_exit(waltop_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c new file mode 100644 index 00000000000..d00391418d1 --- /dev/null +++ b/drivers/hid/hid-wiimote-core.c @@ -0,0 +1,1875 @@ +/* + * HID driver for Nintendo Wii / Wii U peripherals + * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/spinlock.h> +#include "hid-ids.h" +#include "hid-wiimote.h" + +/* output queue handling */ + +static int wiimote_hid_send(struct hid_device *hdev, __u8 *buffer, + size_t count) +{ + __u8 *buf; + int ret; + + if (!hdev->ll_driver->output_report) + return -ENODEV; + + buf = kmemdup(buffer, count, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = hid_hw_output_report(hdev, buf, count); + + kfree(buf); + return ret; +} + +static void wiimote_queue_worker(struct work_struct *work) +{ + struct wiimote_queue *queue = container_of(work, struct wiimote_queue, + worker); + struct wiimote_data *wdata = container_of(queue, struct wiimote_data, + queue); + unsigned long flags; + int ret; + + spin_lock_irqsave(&wdata->queue.lock, flags); + + while (wdata->queue.head != wdata->queue.tail) { + spin_unlock_irqrestore(&wdata->queue.lock, flags); + ret = wiimote_hid_send(wdata->hdev, + wdata->queue.outq[wdata->queue.tail].data, + wdata->queue.outq[wdata->queue.tail].size); + if (ret < 0) { + spin_lock_irqsave(&wdata->state.lock, flags); + wiimote_cmd_abort(wdata); + spin_unlock_irqrestore(&wdata->state.lock, flags); + } + spin_lock_irqsave(&wdata->queue.lock, flags); + + wdata->queue.tail = (wdata->queue.tail + 1) % WIIMOTE_BUFSIZE; + } + + spin_unlock_irqrestore(&wdata->queue.lock, flags); +} + +static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer, + size_t count) +{ + unsigned long flags; + __u8 newhead; + + if (count > HID_MAX_BUFFER_SIZE) { + hid_warn(wdata->hdev, "Sending too large output report\n"); + + spin_lock_irqsave(&wdata->queue.lock, flags); + goto out_error; + } + + /* + * Copy new request into our output queue and check whether the + * queue is full. If it is full, discard this request. + * If it is empty we need to start a new worker that will + * send out the buffer to the hid device. + * If the queue is not empty, then there must be a worker + * that is currently sending out our buffer and this worker + * will reschedule itself until the queue is empty. + */ + + spin_lock_irqsave(&wdata->queue.lock, flags); + + memcpy(wdata->queue.outq[wdata->queue.head].data, buffer, count); + wdata->queue.outq[wdata->queue.head].size = count; + newhead = (wdata->queue.head + 1) % WIIMOTE_BUFSIZE; + + if (wdata->queue.head == wdata->queue.tail) { + wdata->queue.head = newhead; + schedule_work(&wdata->queue.worker); + } else if (newhead != wdata->queue.tail) { + wdata->queue.head = newhead; + } else { + hid_warn(wdata->hdev, "Output queue is full"); + goto out_error; + } + + goto out_unlock; + +out_error: + wiimote_cmd_abort(wdata); +out_unlock: + spin_unlock_irqrestore(&wdata->queue.lock, flags); +} + +/* + * This sets the rumble bit on the given output report if rumble is + * currently enabled. + * \cmd1 must point to the second byte in the output report => &cmd[1] + * This must be called on nearly every output report before passing it + * into the output queue! + */ +static inline void wiiproto_keep_rumble(struct wiimote_data *wdata, __u8 *cmd1) +{ + if (wdata->state.flags & WIIPROTO_FLAG_RUMBLE) + *cmd1 |= 0x01; +} + +void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble) +{ + __u8 cmd[2]; + + rumble = !!rumble; + if (rumble == !!(wdata->state.flags & WIIPROTO_FLAG_RUMBLE)) + return; + + if (rumble) + wdata->state.flags |= WIIPROTO_FLAG_RUMBLE; + else + wdata->state.flags &= ~WIIPROTO_FLAG_RUMBLE; + + cmd[0] = WIIPROTO_REQ_RUMBLE; + cmd[1] = 0; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +void wiiproto_req_leds(struct wiimote_data *wdata, int leds) +{ + __u8 cmd[2]; + + leds &= WIIPROTO_FLAGS_LEDS; + if ((wdata->state.flags & WIIPROTO_FLAGS_LEDS) == leds) + return; + wdata->state.flags = (wdata->state.flags & ~WIIPROTO_FLAGS_LEDS) | leds; + + cmd[0] = WIIPROTO_REQ_LED; + cmd[1] = 0; + + if (leds & WIIPROTO_FLAG_LED1) + cmd[1] |= 0x10; + if (leds & WIIPROTO_FLAG_LED2) + cmd[1] |= 0x20; + if (leds & WIIPROTO_FLAG_LED3) + cmd[1] |= 0x40; + if (leds & WIIPROTO_FLAG_LED4) + cmd[1] |= 0x80; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +/* + * Check what peripherals of the wiimote are currently + * active and select a proper DRM that supports all of + * the requested data inputs. + * + * Not all combinations are actually supported. The following + * combinations work only with limitations: + * - IR cam in extended or full mode disables any data transmission + * of extension controllers. There is no DRM mode that supports + * extension bytes plus extended/full IR. + * - IR cam with accelerometer and extension *_EXT8 is not supported. + * However, all extensions that need *_EXT8 are devices that don't + * support IR cameras. Hence, this shouldn't happen under normal + * operation. + * - *_EXT16 is only supported in combination with buttons and + * accelerometer. No IR or similar can be active simultaneously. As + * above, all modules that require it are mutually exclusive with + * IR/etc. so this doesn't matter. + */ +static __u8 select_drm(struct wiimote_data *wdata) +{ + __u8 ir = wdata->state.flags & WIIPROTO_FLAGS_IR; + bool ext; + + ext = (wdata->state.flags & WIIPROTO_FLAG_EXT_USED) || + (wdata->state.flags & WIIPROTO_FLAG_MP_USED); + + /* some 3rd-party balance-boards are hard-coded to KEE, *sigh* */ + if (wdata->state.devtype == WIIMOTE_DEV_BALANCE_BOARD) { + if (ext) + return WIIPROTO_REQ_DRM_KEE; + else + return WIIPROTO_REQ_DRM_K; + } + + if (ir == WIIPROTO_FLAG_IR_BASIC) { + if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) { + /* GEN10 and ealier devices bind IR formats to DRMs. + * Hence, we cannot use DRM_KAI here as it might be + * bound to IR_EXT. Use DRM_KAIE unconditionally so we + * work with all devices and our parsers can use the + * fixed formats, too. */ + return WIIPROTO_REQ_DRM_KAIE; + } else { + return WIIPROTO_REQ_DRM_KIE; + } + } else if (ir == WIIPROTO_FLAG_IR_EXT) { + return WIIPROTO_REQ_DRM_KAI; + } else if (ir == WIIPROTO_FLAG_IR_FULL) { + return WIIPROTO_REQ_DRM_SKAI1; + } else { + if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) { + if (ext) + return WIIPROTO_REQ_DRM_KAE; + else + return WIIPROTO_REQ_DRM_KA; + } else { + if (ext) + return WIIPROTO_REQ_DRM_KEE; + else + return WIIPROTO_REQ_DRM_K; + } + } +} + +void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm) +{ + __u8 cmd[3]; + + if (wdata->state.flags & WIIPROTO_FLAG_DRM_LOCKED) + drm = wdata->state.drm; + else if (drm == WIIPROTO_REQ_NULL) + drm = select_drm(wdata); + + cmd[0] = WIIPROTO_REQ_DRM; + cmd[1] = 0; + cmd[2] = drm; + + wdata->state.drm = drm; + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +void wiiproto_req_status(struct wiimote_data *wdata) +{ + __u8 cmd[2]; + + cmd[0] = WIIPROTO_REQ_SREQ; + cmd[1] = 0; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel) +{ + accel = !!accel; + if (accel == !!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) + return; + + if (accel) + wdata->state.flags |= WIIPROTO_FLAG_ACCEL; + else + wdata->state.flags &= ~WIIPROTO_FLAG_ACCEL; + + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); +} + +void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags) +{ + __u8 cmd[2]; + + cmd[0] = WIIPROTO_REQ_IR1; + cmd[1] = flags; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags) +{ + __u8 cmd[2]; + + cmd[0] = WIIPROTO_REQ_IR2; + cmd[1] = flags; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +#define wiiproto_req_wreg(wdata, os, buf, sz) \ + wiiproto_req_wmem((wdata), false, (os), (buf), (sz)) + +#define wiiproto_req_weeprom(wdata, os, buf, sz) \ + wiiproto_req_wmem((wdata), true, (os), (buf), (sz)) + +static void wiiproto_req_wmem(struct wiimote_data *wdata, bool eeprom, + __u32 offset, const __u8 *buf, __u8 size) +{ + __u8 cmd[22]; + + if (size > 16 || size == 0) { + hid_warn(wdata->hdev, "Invalid length %d wmem request\n", size); + return; + } + + memset(cmd, 0, sizeof(cmd)); + cmd[0] = WIIPROTO_REQ_WMEM; + cmd[2] = (offset >> 16) & 0xff; + cmd[3] = (offset >> 8) & 0xff; + cmd[4] = offset & 0xff; + cmd[5] = size; + memcpy(&cmd[6], buf, size); + + if (!eeprom) + cmd[1] |= 0x04; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom, __u32 offset, + __u16 size) +{ + __u8 cmd[7]; + + if (size == 0) { + hid_warn(wdata->hdev, "Invalid length %d rmem request\n", size); + return; + } + + cmd[0] = WIIPROTO_REQ_RMEM; + cmd[1] = 0; + cmd[2] = (offset >> 16) & 0xff; + cmd[3] = (offset >> 8) & 0xff; + cmd[4] = offset & 0xff; + cmd[5] = (size >> 8) & 0xff; + cmd[6] = size & 0xff; + + if (!eeprom) + cmd[1] |= 0x04; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + +/* requries the cmd-mutex to be held */ +int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset, + const __u8 *wmem, __u8 size) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&wdata->state.lock, flags); + wiimote_cmd_set(wdata, WIIPROTO_REQ_WMEM, 0); + wiiproto_req_wreg(wdata, offset, wmem, size); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + ret = wiimote_cmd_wait(wdata); + if (!ret && wdata->state.cmd_err) + ret = -EIO; + + return ret; +} + +/* requries the cmd-mutex to be held */ +ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset, __u8 *rmem, + __u8 size) +{ + unsigned long flags; + ssize_t ret; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.cmd_read_size = size; + wdata->state.cmd_read_buf = rmem; + wiimote_cmd_set(wdata, WIIPROTO_REQ_RMEM, offset & 0xffff); + wiiproto_req_rreg(wdata, offset, size); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + ret = wiimote_cmd_wait(wdata); + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.cmd_read_buf = NULL; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + if (!ret) { + if (wdata->state.cmd_read_size == 0) + ret = -EIO; + else + ret = wdata->state.cmd_read_size; + } + + return ret; +} + +/* requires the cmd-mutex to be held */ +static int wiimote_cmd_init_ext(struct wiimote_data *wdata) +{ + __u8 wmem; + int ret; + + /* initialize extension */ + wmem = 0x55; + ret = wiimote_cmd_write(wdata, 0xa400f0, &wmem, sizeof(wmem)); + if (ret) + return ret; + + /* disable default encryption */ + wmem = 0x0; + ret = wiimote_cmd_write(wdata, 0xa400fb, &wmem, sizeof(wmem)); + if (ret) + return ret; + + return 0; +} + +/* requires the cmd-mutex to be held */ +static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem) +{ + int ret; + + /* read extension ID */ + ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6); + if (ret != 6) + return WIIMOTE_EXT_NONE; + + hid_dbg(wdata->hdev, "extension ID: %6phC\n", rmem); + + if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff && + rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff) + return WIIMOTE_EXT_NONE; + + if (rmem[4] == 0x00 && rmem[5] == 0x00) + return WIIMOTE_EXT_NUNCHUK; + if (rmem[4] == 0x01 && rmem[5] == 0x01) + return WIIMOTE_EXT_CLASSIC_CONTROLLER; + if (rmem[4] == 0x04 && rmem[5] == 0x02) + return WIIMOTE_EXT_BALANCE_BOARD; + if (rmem[4] == 0x01 && rmem[5] == 0x20) + return WIIMOTE_EXT_PRO_CONTROLLER; + + return WIIMOTE_EXT_UNKNOWN; +} + +/* requires the cmd-mutex to be held */ +static int wiimote_cmd_init_mp(struct wiimote_data *wdata) +{ + __u8 wmem; + int ret; + + /* initialize MP */ + wmem = 0x55; + ret = wiimote_cmd_write(wdata, 0xa600f0, &wmem, sizeof(wmem)); + if (ret) + return ret; + + /* disable default encryption */ + wmem = 0x0; + ret = wiimote_cmd_write(wdata, 0xa600fb, &wmem, sizeof(wmem)); + if (ret) + return ret; + + return 0; +} + +/* requires the cmd-mutex to be held */ +static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype) +{ + __u8 wmem; + + /* map MP with correct pass-through mode */ + switch (exttype) { + case WIIMOTE_EXT_CLASSIC_CONTROLLER: + wmem = 0x07; + break; + case WIIMOTE_EXT_NUNCHUK: + wmem = 0x05; + break; + default: + wmem = 0x04; + break; + } + + return wiimote_cmd_write(wdata, 0xa600fe, &wmem, sizeof(wmem)); +} + +/* requires the cmd-mutex to be held */ +static bool wiimote_cmd_read_mp(struct wiimote_data *wdata, __u8 *rmem) +{ + int ret; + + /* read motion plus ID */ + ret = wiimote_cmd_read(wdata, 0xa600fa, rmem, 6); + if (ret != 6) + return false; + + hid_dbg(wdata->hdev, "motion plus ID: %6phC\n", rmem); + + if (rmem[5] == 0x05) + return true; + + hid_info(wdata->hdev, "unknown motion plus ID: %6phC\n", rmem); + + return false; +} + +/* requires the cmd-mutex to be held */ +static __u8 wiimote_cmd_read_mp_mapped(struct wiimote_data *wdata) +{ + int ret; + __u8 rmem[6]; + + /* read motion plus ID */ + ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6); + if (ret != 6) + return WIIMOTE_MP_NONE; + + hid_dbg(wdata->hdev, "mapped motion plus ID: %6phC\n", rmem); + + if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff && + rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff) + return WIIMOTE_MP_NONE; + + if (rmem[4] == 0x04 && rmem[5] == 0x05) + return WIIMOTE_MP_SINGLE; + else if (rmem[4] == 0x05 && rmem[5] == 0x05) + return WIIMOTE_MP_PASSTHROUGH_NUNCHUK; + else if (rmem[4] == 0x07 && rmem[5] == 0x05) + return WIIMOTE_MP_PASSTHROUGH_CLASSIC; + + return WIIMOTE_MP_UNKNOWN; +} + +/* device module handling */ + +static const __u8 * const wiimote_devtype_mods[WIIMOTE_DEV_NUM] = { + [WIIMOTE_DEV_PENDING] = (const __u8[]){ + WIIMOD_NULL, + }, + [WIIMOTE_DEV_UNKNOWN] = (const __u8[]){ + WIIMOD_NO_MP, + WIIMOD_NULL, + }, + [WIIMOTE_DEV_GENERIC] = (const __u8[]){ + WIIMOD_KEYS, + WIIMOD_RUMBLE, + WIIMOD_BATTERY, + WIIMOD_LED1, + WIIMOD_LED2, + WIIMOD_LED3, + WIIMOD_LED4, + WIIMOD_ACCEL, + WIIMOD_IR, + WIIMOD_NULL, + }, + [WIIMOTE_DEV_GEN10] = (const __u8[]){ + WIIMOD_KEYS, + WIIMOD_RUMBLE, + WIIMOD_BATTERY, + WIIMOD_LED1, + WIIMOD_LED2, + WIIMOD_LED3, + WIIMOD_LED4, + WIIMOD_ACCEL, + WIIMOD_IR, + WIIMOD_NULL, + }, + [WIIMOTE_DEV_GEN20] = (const __u8[]){ + WIIMOD_KEYS, + WIIMOD_RUMBLE, + WIIMOD_BATTERY, + WIIMOD_LED1, + WIIMOD_LED2, + WIIMOD_LED3, + WIIMOD_LED4, + WIIMOD_ACCEL, + WIIMOD_IR, + WIIMOD_BUILTIN_MP, + WIIMOD_NULL, + }, + [WIIMOTE_DEV_BALANCE_BOARD] = (const __u8[]) { + WIIMOD_BATTERY, + WIIMOD_LED1, + WIIMOD_NO_MP, + WIIMOD_NULL, + }, + [WIIMOTE_DEV_PRO_CONTROLLER] = (const __u8[]) { + WIIMOD_BATTERY, + WIIMOD_LED1, + WIIMOD_LED2, + WIIMOD_LED3, + WIIMOD_LED4, + WIIMOD_NO_MP, + WIIMOD_NULL, + }, +}; + +static void wiimote_modules_load(struct wiimote_data *wdata, + unsigned int devtype) +{ + bool need_input = false; + const __u8 *mods, *iter; + const struct wiimod_ops *ops; + int ret; + + mods = wiimote_devtype_mods[devtype]; + + for (iter = mods; *iter != WIIMOD_NULL; ++iter) { + if (wiimod_table[*iter]->flags & WIIMOD_FLAG_INPUT) { + need_input = true; + break; + } + } + + if (need_input) { + wdata->input = input_allocate_device(); + if (!wdata->input) + return; + + input_set_drvdata(wdata->input, wdata); + wdata->input->dev.parent = &wdata->hdev->dev; + wdata->input->id.bustype = wdata->hdev->bus; + wdata->input->id.vendor = wdata->hdev->vendor; + wdata->input->id.product = wdata->hdev->product; + wdata->input->id.version = wdata->hdev->version; + wdata->input->name = WIIMOTE_NAME; + } + + for (iter = mods; *iter != WIIMOD_NULL; ++iter) { + ops = wiimod_table[*iter]; + if (!ops->probe) + continue; + + ret = ops->probe(ops, wdata); + if (ret) + goto error; + } + + if (wdata->input) { + ret = input_register_device(wdata->input); + if (ret) + goto error; + } + + spin_lock_irq(&wdata->state.lock); + wdata->state.devtype = devtype; + spin_unlock_irq(&wdata->state.lock); + return; + +error: + for ( ; iter-- != mods; ) { + ops = wiimod_table[*iter]; + if (ops->remove) + ops->remove(ops, wdata); + } + + if (wdata->input) { + input_free_device(wdata->input); + wdata->input = NULL; + } +} + +static void wiimote_modules_unload(struct wiimote_data *wdata) +{ + const __u8 *mods, *iter; + const struct wiimod_ops *ops; + unsigned long flags; + + mods = wiimote_devtype_mods[wdata->state.devtype]; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.devtype = WIIMOTE_DEV_UNKNOWN; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + /* find end of list */ + for (iter = mods; *iter != WIIMOD_NULL; ++iter) + /* empty */ ; + + if (wdata->input) { + input_get_device(wdata->input); + input_unregister_device(wdata->input); + } + + for ( ; iter-- != mods; ) { + ops = wiimod_table[*iter]; + if (ops->remove) + ops->remove(ops, wdata); + } + + if (wdata->input) { + input_put_device(wdata->input); + wdata->input = NULL; + } +} + +/* device extension handling */ + +static void wiimote_ext_load(struct wiimote_data *wdata, unsigned int ext) +{ + unsigned long flags; + const struct wiimod_ops *ops; + int ret; + + ops = wiimod_ext_table[ext]; + + if (ops->probe) { + ret = ops->probe(ops, wdata); + if (ret) + ext = WIIMOTE_EXT_UNKNOWN; + } + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.exttype = ext; + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static void wiimote_ext_unload(struct wiimote_data *wdata) +{ + unsigned long flags; + const struct wiimod_ops *ops; + + ops = wiimod_ext_table[wdata->state.exttype]; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.exttype = WIIMOTE_EXT_UNKNOWN; + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + if (ops->remove) + ops->remove(ops, wdata); +} + +static void wiimote_mp_load(struct wiimote_data *wdata) +{ + unsigned long flags; + const struct wiimod_ops *ops; + int ret; + __u8 mode = 2; + + ops = &wiimod_mp; + if (ops->probe) { + ret = ops->probe(ops, wdata); + if (ret) + mode = 1; + } + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.mp = mode; + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static void wiimote_mp_unload(struct wiimote_data *wdata) +{ + unsigned long flags; + const struct wiimod_ops *ops; + + if (wdata->state.mp < 2) + return; + + ops = &wiimod_mp; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.mp = 0; + wdata->state.flags &= ~WIIPROTO_FLAG_MP_USED; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + if (ops->remove) + ops->remove(ops, wdata); +} + +/* device (re-)initialization and detection */ + +static const char *wiimote_devtype_names[WIIMOTE_DEV_NUM] = { + [WIIMOTE_DEV_PENDING] = "Pending", + [WIIMOTE_DEV_UNKNOWN] = "Unknown", + [WIIMOTE_DEV_GENERIC] = "Generic", + [WIIMOTE_DEV_GEN10] = "Nintendo Wii Remote (Gen 1)", + [WIIMOTE_DEV_GEN20] = "Nintendo Wii Remote Plus (Gen 2)", + [WIIMOTE_DEV_BALANCE_BOARD] = "Nintendo Wii Balance Board", + [WIIMOTE_DEV_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller", +}; + +/* Try to guess the device type based on all collected information. We + * first try to detect by static extension types, then VID/PID and the + * device name. If we cannot detect the device, we use + * WIIMOTE_DEV_GENERIC so all modules will get probed on the device. */ +static void wiimote_init_set_type(struct wiimote_data *wdata, + __u8 exttype) +{ + __u8 devtype = WIIMOTE_DEV_GENERIC; + __u16 vendor, product; + const char *name; + + vendor = wdata->hdev->vendor; + product = wdata->hdev->product; + name = wdata->hdev->name; + + if (exttype == WIIMOTE_EXT_BALANCE_BOARD) { + devtype = WIIMOTE_DEV_BALANCE_BOARD; + goto done; + } else if (exttype == WIIMOTE_EXT_PRO_CONTROLLER) { + devtype = WIIMOTE_DEV_PRO_CONTROLLER; + goto done; + } + + if (!strcmp(name, "Nintendo RVL-CNT-01")) { + devtype = WIIMOTE_DEV_GEN10; + goto done; + } else if (!strcmp(name, "Nintendo RVL-CNT-01-TR")) { + devtype = WIIMOTE_DEV_GEN20; + goto done; + } else if (!strcmp(name, "Nintendo RVL-WBC-01")) { + devtype = WIIMOTE_DEV_BALANCE_BOARD; + goto done; + } else if (!strcmp(name, "Nintendo RVL-CNT-01-UC")) { + devtype = WIIMOTE_DEV_PRO_CONTROLLER; + goto done; + } + + if (vendor == USB_VENDOR_ID_NINTENDO) { + if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE) { + devtype = WIIMOTE_DEV_GEN10; + goto done; + } else if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE2) { + devtype = WIIMOTE_DEV_GEN20; + goto done; + } + } + +done: + if (devtype == WIIMOTE_DEV_GENERIC) + hid_info(wdata->hdev, "cannot detect device; NAME: %s VID: %04x PID: %04x EXT: %04x\n", + name, vendor, product, exttype); + else + hid_info(wdata->hdev, "detected device: %s\n", + wiimote_devtype_names[devtype]); + + wiimote_modules_load(wdata, devtype); +} + +static void wiimote_init_detect(struct wiimote_data *wdata) +{ + __u8 exttype = WIIMOTE_EXT_NONE, extdata[6]; + bool ext; + int ret; + + wiimote_cmd_acquire_noint(wdata); + + spin_lock_irq(&wdata->state.lock); + wdata->state.devtype = WIIMOTE_DEV_UNKNOWN; + wiimote_cmd_set(wdata, WIIPROTO_REQ_SREQ, 0); + wiiproto_req_status(wdata); + spin_unlock_irq(&wdata->state.lock); + + ret = wiimote_cmd_wait_noint(wdata); + if (ret) + goto out_release; + + spin_lock_irq(&wdata->state.lock); + ext = wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED; + spin_unlock_irq(&wdata->state.lock); + + if (!ext) + goto out_release; + + wiimote_cmd_init_ext(wdata); + exttype = wiimote_cmd_read_ext(wdata, extdata); + +out_release: + wiimote_cmd_release(wdata); + wiimote_init_set_type(wdata, exttype); + + /* schedule MP timer */ + spin_lock_irq(&wdata->state.lock); + if (!(wdata->state.flags & WIIPROTO_FLAG_BUILTIN_MP) && + !(wdata->state.flags & WIIPROTO_FLAG_NO_MP)) + mod_timer(&wdata->timer, jiffies + HZ * 4); + spin_unlock_irq(&wdata->state.lock); +} + +/* + * MP hotplug events are not generated by the wiimote. Therefore, we need + * polling to detect it. We use a 4s interval for polling MP registers. This + * seems reasonable considering applications can trigger it manually via + * sysfs requests. + */ +static void wiimote_init_poll_mp(struct wiimote_data *wdata) +{ + bool mp; + __u8 mpdata[6]; + + wiimote_cmd_acquire_noint(wdata); + wiimote_cmd_init_mp(wdata); + mp = wiimote_cmd_read_mp(wdata, mpdata); + wiimote_cmd_release(wdata); + + /* load/unload MP module if it changed */ + if (mp) { + if (!wdata->state.mp) { + hid_info(wdata->hdev, "detected extension: Nintendo Wii Motion Plus\n"); + wiimote_mp_load(wdata); + } + } else if (wdata->state.mp) { + wiimote_mp_unload(wdata); + } + + mod_timer(&wdata->timer, jiffies + HZ * 4); +} + +/* + * Check whether the wiimote is in the expected state. The extension registers + * may change during hotplug and initialization so we might get hotplug events + * that we caused by remapping some memory. + * We use some heuristics here to check known states. If the wiimote is in the + * expected state, we can ignore the hotplug event. + * + * Returns "true" if the device is in expected state, "false" if we should + * redo hotplug handling and extension initialization. + */ +static bool wiimote_init_check(struct wiimote_data *wdata) +{ + __u32 flags; + __u8 type, data[6]; + bool ret, poll_mp; + + spin_lock_irq(&wdata->state.lock); + flags = wdata->state.flags; + spin_unlock_irq(&wdata->state.lock); + + wiimote_cmd_acquire_noint(wdata); + + /* If MP is used and active, but the extension is not, we expect: + * read_mp_mapped() == WIIMOTE_MP_SINGLE + * state.flags == !EXT_ACTIVE && !MP_PLUGGED && MP_ACTIVE + * We do not check EXT_PLUGGED because it might change during + * initialization of MP without extensions. + * - If MP is unplugged/replugged, read_mp_mapped() fails + * - If EXT is plugged, MP_PLUGGED will get set */ + if (wdata->state.exttype == WIIMOTE_EXT_NONE && + wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) { + type = wiimote_cmd_read_mp_mapped(wdata); + ret = type == WIIMOTE_MP_SINGLE; + + spin_lock_irq(&wdata->state.lock); + ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE); + ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_MP_PLUGGED); + ret = ret && (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE); + spin_unlock_irq(&wdata->state.lock); + + if (!ret) + hid_dbg(wdata->hdev, "state left: !EXT && MP\n"); + + /* while MP is mapped, we get EXT_PLUGGED events */ + poll_mp = false; + + goto out_release; + } + + /* If MP is unused, but the extension port is used, we expect: + * read_ext == state.exttype + * state.flags == !MP_ACTIVE && EXT_ACTIVE + * - If MP is plugged/unplugged, our timer detects it + * - If EXT is unplugged/replugged, EXT_ACTIVE will become unset */ + if (!(flags & WIIPROTO_FLAG_MP_USED) && + wdata->state.exttype != WIIMOTE_EXT_NONE) { + type = wiimote_cmd_read_ext(wdata, data); + ret = type == wdata->state.exttype; + + spin_lock_irq(&wdata->state.lock); + ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE); + ret = ret && (wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE); + spin_unlock_irq(&wdata->state.lock); + + if (!ret) + hid_dbg(wdata->hdev, "state left: EXT && !MP\n"); + + /* poll MP for hotplug events */ + poll_mp = true; + + goto out_release; + } + + /* If neither MP nor an extension are used, we expect: + * read_ext() == WIIMOTE_EXT_NONE + * state.flags == !MP_ACTIVE && !EXT_ACTIVE && !EXT_PLUGGED + * No need to perform any action in this case as everything is + * disabled already. + * - If MP is plugged/unplugged, our timer detects it + * - If EXT is plugged, EXT_PLUGGED will be set */ + if (!(flags & WIIPROTO_FLAG_MP_USED) && + wdata->state.exttype == WIIMOTE_EXT_NONE) { + type = wiimote_cmd_read_ext(wdata, data); + ret = type == wdata->state.exttype; + + spin_lock_irq(&wdata->state.lock); + ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE); + ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE); + ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED); + spin_unlock_irq(&wdata->state.lock); + + if (!ret) + hid_dbg(wdata->hdev, "state left: !EXT && !MP\n"); + + /* poll MP for hotplug events */ + poll_mp = true; + + goto out_release; + } + + /* The trickiest part is if both EXT and MP are active. We cannot read + * the EXT ID, anymore, because MP is mapped over it. However, we use + * a handy trick here: + * - EXT_ACTIVE is unset whenever !MP_PLUGGED is sent + * MP_PLUGGED might be re-sent again before we are scheduled, but + * EXT_ACTIVE will stay unset. + * So it is enough to check for mp_mapped() and MP_ACTIVE and + * EXT_ACTIVE. EXT_PLUGGED is a sanity check. */ + if (wdata->state.exttype != WIIMOTE_EXT_NONE && + wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) { + type = wiimote_cmd_read_mp_mapped(wdata); + ret = type != WIIMOTE_MP_NONE; + ret = ret && type != WIIMOTE_MP_UNKNOWN; + ret = ret && type != WIIMOTE_MP_SINGLE; + + spin_lock_irq(&wdata->state.lock); + ret = ret && (wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED); + ret = ret && (wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE); + ret = ret && (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE); + spin_unlock_irq(&wdata->state.lock); + + if (!ret) + hid_dbg(wdata->hdev, "state left: EXT && MP\n"); + + /* while MP is mapped, we get EXT_PLUGGED events */ + poll_mp = false; + + goto out_release; + } + + /* unknown state */ + ret = false; + +out_release: + wiimote_cmd_release(wdata); + + /* only poll for MP if requested and if state didn't change */ + if (ret && poll_mp && !(flags & WIIPROTO_FLAG_BUILTIN_MP) && + !(flags & WIIPROTO_FLAG_NO_MP)) + wiimote_init_poll_mp(wdata); + + return ret; +} + +static const char *wiimote_exttype_names[WIIMOTE_EXT_NUM] = { + [WIIMOTE_EXT_NONE] = "None", + [WIIMOTE_EXT_UNKNOWN] = "Unknown", + [WIIMOTE_EXT_NUNCHUK] = "Nintendo Wii Nunchuk", + [WIIMOTE_EXT_CLASSIC_CONTROLLER] = "Nintendo Wii Classic Controller", + [WIIMOTE_EXT_BALANCE_BOARD] = "Nintendo Wii Balance Board", + [WIIMOTE_EXT_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller", +}; + +/* + * Handle hotplug events + * If we receive an hotplug event and the device-check failed, we deinitialize + * the extension ports, re-read all extension IDs and set the device into + * the desired state. This involves mapping MP into the main extension + * registers, setting up extension passthrough modes and initializing the + * requested extensions. + */ +static void wiimote_init_hotplug(struct wiimote_data *wdata) +{ + __u8 exttype, extdata[6], mpdata[6]; + __u32 flags; + bool mp; + + hid_dbg(wdata->hdev, "detect extensions..\n"); + + wiimote_cmd_acquire_noint(wdata); + + spin_lock_irq(&wdata->state.lock); + + /* get state snapshot that we will then work on */ + flags = wdata->state.flags; + + /* disable event forwarding temporarily */ + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_ACTIVE; + wdata->state.flags &= ~WIIPROTO_FLAG_MP_ACTIVE; + + spin_unlock_irq(&wdata->state.lock); + + /* init extension and MP (deactivates current extension or MP) */ + wiimote_cmd_init_ext(wdata); + if (flags & WIIPROTO_FLAG_NO_MP) { + mp = false; + } else { + wiimote_cmd_init_mp(wdata); + mp = wiimote_cmd_read_mp(wdata, mpdata); + } + exttype = wiimote_cmd_read_ext(wdata, extdata); + + wiimote_cmd_release(wdata); + + /* load/unload extension module if it changed */ + if (exttype != wdata->state.exttype) { + /* unload previous extension */ + wiimote_ext_unload(wdata); + + if (exttype == WIIMOTE_EXT_UNKNOWN) { + hid_info(wdata->hdev, "cannot detect extension; %6phC\n", + extdata); + } else if (exttype == WIIMOTE_EXT_NONE) { + spin_lock_irq(&wdata->state.lock); + wdata->state.exttype = WIIMOTE_EXT_NONE; + spin_unlock_irq(&wdata->state.lock); + } else { + hid_info(wdata->hdev, "detected extension: %s\n", + wiimote_exttype_names[exttype]); + /* try loading new extension */ + wiimote_ext_load(wdata, exttype); + } + } + + /* load/unload MP module if it changed */ + if (mp) { + if (!wdata->state.mp) { + hid_info(wdata->hdev, "detected extension: Nintendo Wii Motion Plus\n"); + wiimote_mp_load(wdata); + } + } else if (wdata->state.mp) { + wiimote_mp_unload(wdata); + } + + /* if MP is not used, do not map or activate it */ + if (!(flags & WIIPROTO_FLAG_MP_USED)) + mp = false; + + /* map MP into main extension registers if used */ + if (mp) { + wiimote_cmd_acquire_noint(wdata); + wiimote_cmd_map_mp(wdata, exttype); + wiimote_cmd_release(wdata); + + /* delete MP hotplug timer */ + del_timer_sync(&wdata->timer); + } else { + /* reschedule MP hotplug timer */ + if (!(flags & WIIPROTO_FLAG_BUILTIN_MP) && + !(flags & WIIPROTO_FLAG_NO_MP)) + mod_timer(&wdata->timer, jiffies + HZ * 4); + } + + spin_lock_irq(&wdata->state.lock); + + /* enable data forwarding again and set expected hotplug state */ + if (mp) { + wdata->state.flags |= WIIPROTO_FLAG_MP_ACTIVE; + if (wdata->state.exttype == WIIMOTE_EXT_NONE) { + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED; + wdata->state.flags &= ~WIIPROTO_FLAG_MP_PLUGGED; + } else { + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED; + wdata->state.flags |= WIIPROTO_FLAG_MP_PLUGGED; + wdata->state.flags |= WIIPROTO_FLAG_EXT_ACTIVE; + } + } else if (wdata->state.exttype != WIIMOTE_EXT_NONE) { + wdata->state.flags |= WIIPROTO_FLAG_EXT_ACTIVE; + } + + /* request status report for hotplug state updates */ + wiiproto_req_status(wdata); + + spin_unlock_irq(&wdata->state.lock); + + hid_dbg(wdata->hdev, "detected extensions: MP: %d EXT: %d\n", + wdata->state.mp, wdata->state.exttype); +} + +static void wiimote_init_worker(struct work_struct *work) +{ + struct wiimote_data *wdata = container_of(work, struct wiimote_data, + init_worker); + bool changed = false; + + if (wdata->state.devtype == WIIMOTE_DEV_PENDING) { + wiimote_init_detect(wdata); + changed = true; + } + + if (changed || !wiimote_init_check(wdata)) + wiimote_init_hotplug(wdata); + + if (changed) + kobject_uevent(&wdata->hdev->dev.kobj, KOBJ_CHANGE); +} + +void __wiimote_schedule(struct wiimote_data *wdata) +{ + if (!(wdata->state.flags & WIIPROTO_FLAG_EXITING)) + schedule_work(&wdata->init_worker); +} + +static void wiimote_schedule(struct wiimote_data *wdata) +{ + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + __wiimote_schedule(wdata); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static void wiimote_init_timeout(unsigned long arg) +{ + struct wiimote_data *wdata = (void*)arg; + + wiimote_schedule(wdata); +} + +/* protocol handlers */ + +static void handler_keys(struct wiimote_data *wdata, const __u8 *payload) +{ + const __u8 *iter, *mods; + const struct wiimod_ops *ops; + + ops = wiimod_ext_table[wdata->state.exttype]; + if (ops->in_keys) { + ops->in_keys(wdata, payload); + return; + } + + mods = wiimote_devtype_mods[wdata->state.devtype]; + for (iter = mods; *iter != WIIMOD_NULL; ++iter) { + ops = wiimod_table[*iter]; + if (ops->in_keys) { + ops->in_keys(wdata, payload); + break; + } + } +} + +static void handler_accel(struct wiimote_data *wdata, const __u8 *payload) +{ + const __u8 *iter, *mods; + const struct wiimod_ops *ops; + + ops = wiimod_ext_table[wdata->state.exttype]; + if (ops->in_accel) { + ops->in_accel(wdata, payload); + return; + } + + mods = wiimote_devtype_mods[wdata->state.devtype]; + for (iter = mods; *iter != WIIMOD_NULL; ++iter) { + ops = wiimod_table[*iter]; + if (ops->in_accel) { + ops->in_accel(wdata, payload); + break; + } + } +} + +static bool valid_ext_handler(const struct wiimod_ops *ops, size_t len) +{ + if (!ops->in_ext) + return false; + if ((ops->flags & WIIMOD_FLAG_EXT8) && len < 8) + return false; + if ((ops->flags & WIIMOD_FLAG_EXT16) && len < 16) + return false; + + return true; +} + +static void handler_ext(struct wiimote_data *wdata, const __u8 *payload, + size_t len) +{ + static const __u8 invalid[21] = { 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff }; + const __u8 *iter, *mods; + const struct wiimod_ops *ops; + bool is_mp; + + if (len > 21) + len = 21; + if (len < 6 || !memcmp(payload, invalid, len)) + return; + + /* if MP is active, track MP slot hotplugging */ + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + /* this bit is set for invalid events (eg. during hotplug) */ + if (payload[5] & 0x01) + return; + + if (payload[4] & 0x01) { + if (!(wdata->state.flags & WIIPROTO_FLAG_MP_PLUGGED)) { + hid_dbg(wdata->hdev, "MP hotplug: 1\n"); + wdata->state.flags |= WIIPROTO_FLAG_MP_PLUGGED; + __wiimote_schedule(wdata); + } + } else { + if (wdata->state.flags & WIIPROTO_FLAG_MP_PLUGGED) { + hid_dbg(wdata->hdev, "MP hotplug: 0\n"); + wdata->state.flags &= ~WIIPROTO_FLAG_MP_PLUGGED; + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_ACTIVE; + __wiimote_schedule(wdata); + } + } + + /* detect MP data that is sent interleaved with EXT data */ + is_mp = payload[5] & 0x02; + } else { + is_mp = false; + } + + /* ignore EXT events if no extension is active */ + if (!(wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE) && !is_mp) + return; + + /* try forwarding to extension handler, first */ + ops = wiimod_ext_table[wdata->state.exttype]; + if (is_mp && ops->in_mp) { + ops->in_mp(wdata, payload); + return; + } else if (!is_mp && valid_ext_handler(ops, len)) { + ops->in_ext(wdata, payload); + return; + } + + /* try forwarding to MP handler */ + ops = &wiimod_mp; + if (is_mp && ops->in_mp) { + ops->in_mp(wdata, payload); + return; + } else if (!is_mp && valid_ext_handler(ops, len)) { + ops->in_ext(wdata, payload); + return; + } + + /* try forwarding to loaded modules */ + mods = wiimote_devtype_mods[wdata->state.devtype]; + for (iter = mods; *iter != WIIMOD_NULL; ++iter) { + ops = wiimod_table[*iter]; + if (is_mp && ops->in_mp) { + ops->in_mp(wdata, payload); + return; + } else if (!is_mp && valid_ext_handler(ops, len)) { + ops->in_ext(wdata, payload); + return; + } + } +} + +#define ir_to_input0(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 0) +#define ir_to_input1(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 1) +#define ir_to_input2(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 2) +#define ir_to_input3(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 3) + +static void handler_ir(struct wiimote_data *wdata, const __u8 *payload, + bool packed, unsigned int id) +{ + const __u8 *iter, *mods; + const struct wiimod_ops *ops; + + ops = wiimod_ext_table[wdata->state.exttype]; + if (ops->in_ir) { + ops->in_ir(wdata, payload, packed, id); + return; + } + + mods = wiimote_devtype_mods[wdata->state.devtype]; + for (iter = mods; *iter != WIIMOD_NULL; ++iter) { + ops = wiimod_table[*iter]; + if (ops->in_ir) { + ops->in_ir(wdata, payload, packed, id); + break; + } + } +} + +/* reduced status report with "BB BB" key data only */ +static void handler_status_K(struct wiimote_data *wdata, + const __u8 *payload) +{ + handler_keys(wdata, payload); + + /* on status reports the drm is reset so we need to resend the drm */ + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); +} + +/* extended status report with "BB BB LF 00 00 VV" data */ +static void handler_status(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_status_K(wdata, payload); + + /* update extension status */ + if (payload[2] & 0x02) { + if (!(wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED)) { + hid_dbg(wdata->hdev, "EXT hotplug: 1\n"); + wdata->state.flags |= WIIPROTO_FLAG_EXT_PLUGGED; + __wiimote_schedule(wdata); + } + } else { + if (wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED) { + hid_dbg(wdata->hdev, "EXT hotplug: 0\n"); + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED; + wdata->state.flags &= ~WIIPROTO_FLAG_MP_PLUGGED; + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_ACTIVE; + wdata->state.flags &= ~WIIPROTO_FLAG_MP_ACTIVE; + __wiimote_schedule(wdata); + } + } + + wdata->state.cmd_battery = payload[5]; + if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_SREQ, 0)) + wiimote_cmd_complete(wdata); +} + +/* reduced generic report with "BB BB" key data only */ +static void handler_generic_K(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); +} + +static void handler_data(struct wiimote_data *wdata, const __u8 *payload) +{ + __u16 offset = payload[3] << 8 | payload[4]; + __u8 size = (payload[2] >> 4) + 1; + __u8 err = payload[2] & 0x0f; + + handler_keys(wdata, payload); + + if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_RMEM, offset)) { + if (err) + size = 0; + else if (size > wdata->state.cmd_read_size) + size = wdata->state.cmd_read_size; + + wdata->state.cmd_read_size = size; + if (wdata->state.cmd_read_buf) + memcpy(wdata->state.cmd_read_buf, &payload[5], size); + wiimote_cmd_complete(wdata); + } +} + +static void handler_return(struct wiimote_data *wdata, const __u8 *payload) +{ + __u8 err = payload[3]; + __u8 cmd = payload[2]; + + handler_keys(wdata, payload); + + if (wiimote_cmd_pending(wdata, cmd, 0)) { + wdata->state.cmd_err = err; + wiimote_cmd_complete(wdata); + } else if (err) { + hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err, + cmd); + } +} + +static void handler_drm_KA(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + handler_accel(wdata, payload); +} + +static void handler_drm_KE(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + handler_ext(wdata, &payload[2], 8); +} + +static void handler_drm_KAI(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + handler_accel(wdata, payload); + ir_to_input0(wdata, &payload[5], false); + ir_to_input1(wdata, &payload[8], false); + ir_to_input2(wdata, &payload[11], false); + ir_to_input3(wdata, &payload[14], false); +} + +static void handler_drm_KEE(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + handler_ext(wdata, &payload[2], 19); +} + +static void handler_drm_KIE(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + ir_to_input0(wdata, &payload[2], false); + ir_to_input1(wdata, &payload[4], true); + ir_to_input2(wdata, &payload[7], false); + ir_to_input3(wdata, &payload[9], true); + handler_ext(wdata, &payload[12], 9); +} + +static void handler_drm_KAE(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + handler_accel(wdata, payload); + handler_ext(wdata, &payload[5], 16); +} + +static void handler_drm_KAIE(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + handler_accel(wdata, payload); + ir_to_input0(wdata, &payload[5], false); + ir_to_input1(wdata, &payload[7], true); + ir_to_input2(wdata, &payload[10], false); + ir_to_input3(wdata, &payload[12], true); + handler_ext(wdata, &payload[15], 6); +} + +static void handler_drm_E(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_ext(wdata, payload, 21); +} + +static void handler_drm_SKAI1(struct wiimote_data *wdata, const __u8 *payload) +{ + handler_keys(wdata, payload); + + wdata->state.accel_split[0] = payload[2]; + wdata->state.accel_split[1] = (payload[0] >> 1) & (0x10 | 0x20); + wdata->state.accel_split[1] |= (payload[1] << 1) & (0x40 | 0x80); + + ir_to_input0(wdata, &payload[3], false); + ir_to_input1(wdata, &payload[12], false); +} + +static void handler_drm_SKAI2(struct wiimote_data *wdata, const __u8 *payload) +{ + __u8 buf[5]; + + handler_keys(wdata, payload); + + wdata->state.accel_split[1] |= (payload[0] >> 5) & (0x01 | 0x02); + wdata->state.accel_split[1] |= (payload[1] >> 3) & (0x04 | 0x08); + + buf[0] = 0; + buf[1] = 0; + buf[2] = wdata->state.accel_split[0]; + buf[3] = payload[2]; + buf[4] = wdata->state.accel_split[1]; + handler_accel(wdata, buf); + + ir_to_input2(wdata, &payload[3], false); + ir_to_input3(wdata, &payload[12], false); +} + +struct wiiproto_handler { + __u8 id; + size_t size; + void (*func)(struct wiimote_data *wdata, const __u8 *payload); +}; + +static struct wiiproto_handler handlers[] = { + { .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status }, + { .id = WIIPROTO_REQ_STATUS, .size = 2, .func = handler_status_K }, + { .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data }, + { .id = WIIPROTO_REQ_DATA, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_RETURN, .size = 4, .func = handler_return }, + { .id = WIIPROTO_REQ_RETURN, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_K, .size = 2, .func = handler_keys }, + { .id = WIIPROTO_REQ_DRM_KA, .size = 5, .func = handler_drm_KA }, + { .id = WIIPROTO_REQ_DRM_KA, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_KE, .size = 10, .func = handler_drm_KE }, + { .id = WIIPROTO_REQ_DRM_KE, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_KAI, .size = 17, .func = handler_drm_KAI }, + { .id = WIIPROTO_REQ_DRM_KAI, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_KEE, .size = 21, .func = handler_drm_KEE }, + { .id = WIIPROTO_REQ_DRM_KEE, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_KAE, .size = 21, .func = handler_drm_KAE }, + { .id = WIIPROTO_REQ_DRM_KAE, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_KIE, .size = 21, .func = handler_drm_KIE }, + { .id = WIIPROTO_REQ_DRM_KIE, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_KAIE, .size = 21, .func = handler_drm_KAIE }, + { .id = WIIPROTO_REQ_DRM_KAIE, .size = 2, .func = handler_generic_K }, + { .id = WIIPROTO_REQ_DRM_E, .size = 21, .func = handler_drm_E }, + { .id = WIIPROTO_REQ_DRM_SKAI1, .size = 21, .func = handler_drm_SKAI1 }, + { .id = WIIPROTO_REQ_DRM_SKAI2, .size = 21, .func = handler_drm_SKAI2 }, + { .id = 0 } +}; + +static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ + struct wiimote_data *wdata = hid_get_drvdata(hdev); + struct wiiproto_handler *h; + int i; + unsigned long flags; + + if (size < 1) + return -EINVAL; + + spin_lock_irqsave(&wdata->state.lock, flags); + + for (i = 0; handlers[i].id; ++i) { + h = &handlers[i]; + if (h->id == raw_data[0] && h->size < size) { + h->func(wdata, &raw_data[1]); + break; + } + } + + if (!handlers[i].id) + hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0], + size); + + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static ssize_t wiimote_ext_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wiimote_data *wdata = dev_to_wii(dev); + __u8 type; + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + type = wdata->state.exttype; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + switch (type) { + case WIIMOTE_EXT_NONE: + return sprintf(buf, "none\n"); + case WIIMOTE_EXT_NUNCHUK: + return sprintf(buf, "nunchuk\n"); + case WIIMOTE_EXT_CLASSIC_CONTROLLER: + return sprintf(buf, "classic\n"); + case WIIMOTE_EXT_BALANCE_BOARD: + return sprintf(buf, "balanceboard\n"); + case WIIMOTE_EXT_PRO_CONTROLLER: + return sprintf(buf, "procontroller\n"); + case WIIMOTE_EXT_UNKNOWN: + /* fallthrough */ + default: + return sprintf(buf, "unknown\n"); + } +} + +static ssize_t wiimote_ext_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct wiimote_data *wdata = dev_to_wii(dev); + + if (!strcmp(buf, "scan")) { + wiimote_schedule(wdata); + } else { + return -EINVAL; + } + + return strnlen(buf, PAGE_SIZE); +} + +static DEVICE_ATTR(extension, S_IRUGO | S_IWUSR | S_IWGRP, wiimote_ext_show, + wiimote_ext_store); + +static ssize_t wiimote_dev_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wiimote_data *wdata = dev_to_wii(dev); + __u8 type; + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + type = wdata->state.devtype; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + switch (type) { + case WIIMOTE_DEV_GENERIC: + return sprintf(buf, "generic\n"); + case WIIMOTE_DEV_GEN10: + return sprintf(buf, "gen10\n"); + case WIIMOTE_DEV_GEN20: + return sprintf(buf, "gen20\n"); + case WIIMOTE_DEV_BALANCE_BOARD: + return sprintf(buf, "balanceboard\n"); + case WIIMOTE_DEV_PRO_CONTROLLER: + return sprintf(buf, "procontroller\n"); + case WIIMOTE_DEV_PENDING: + return sprintf(buf, "pending\n"); + case WIIMOTE_DEV_UNKNOWN: + /* fallthrough */ + default: + return sprintf(buf, "unknown\n"); + } +} + +static DEVICE_ATTR(devtype, S_IRUGO, wiimote_dev_show, NULL); + +static struct wiimote_data *wiimote_create(struct hid_device *hdev) +{ + struct wiimote_data *wdata; + + wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); + if (!wdata) + return NULL; + + wdata->hdev = hdev; + hid_set_drvdata(hdev, wdata); + + spin_lock_init(&wdata->queue.lock); + INIT_WORK(&wdata->queue.worker, wiimote_queue_worker); + + spin_lock_init(&wdata->state.lock); + init_completion(&wdata->state.ready); + mutex_init(&wdata->state.sync); + wdata->state.drm = WIIPROTO_REQ_DRM_K; + wdata->state.cmd_battery = 0xff; + + INIT_WORK(&wdata->init_worker, wiimote_init_worker); + setup_timer(&wdata->timer, wiimote_init_timeout, (long)wdata); + + return wdata; +} + +static void wiimote_destroy(struct wiimote_data *wdata) +{ + unsigned long flags; + + wiidebug_deinit(wdata); + + /* prevent init_worker from being scheduled again */ + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_EXITING; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + cancel_work_sync(&wdata->init_worker); + del_timer_sync(&wdata->timer); + + device_remove_file(&wdata->hdev->dev, &dev_attr_devtype); + device_remove_file(&wdata->hdev->dev, &dev_attr_extension); + + wiimote_mp_unload(wdata); + wiimote_ext_unload(wdata); + wiimote_modules_unload(wdata); + cancel_work_sync(&wdata->queue.worker); + hid_hw_close(wdata->hdev); + hid_hw_stop(wdata->hdev); + + kfree(wdata); +} + +static int wiimote_hid_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + struct wiimote_data *wdata; + int ret; + + hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; + + wdata = wiimote_create(hdev); + if (!wdata) { + hid_err(hdev, "Can't alloc device\n"); + return -ENOMEM; + } + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "HID parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); + if (ret) { + hid_err(hdev, "HW start failed\n"); + goto err; + } + + ret = hid_hw_open(hdev); + if (ret) { + hid_err(hdev, "cannot start hardware I/O\n"); + goto err_stop; + } + + ret = device_create_file(&hdev->dev, &dev_attr_extension); + if (ret) { + hid_err(hdev, "cannot create sysfs attribute\n"); + goto err_close; + } + + ret = device_create_file(&hdev->dev, &dev_attr_devtype); + if (ret) { + hid_err(hdev, "cannot create sysfs attribute\n"); + goto err_ext; + } + + ret = wiidebug_init(wdata); + if (ret) + goto err_free; + + hid_info(hdev, "New device registered\n"); + + /* schedule device detection */ + wiimote_schedule(wdata); + + return 0; + +err_free: + wiimote_destroy(wdata); + return ret; + +err_ext: + device_remove_file(&wdata->hdev->dev, &dev_attr_extension); +err_close: + hid_hw_close(hdev); +err_stop: + hid_hw_stop(hdev); +err: + input_free_device(wdata->ir); + input_free_device(wdata->accel); + kfree(wdata); + return ret; +} + +static void wiimote_hid_remove(struct hid_device *hdev) +{ + struct wiimote_data *wdata = hid_get_drvdata(hdev); + + hid_info(hdev, "Device removed\n"); + wiimote_destroy(wdata); +} + +static const struct hid_device_id wiimote_hid_devices[] = { + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, + USB_DEVICE_ID_NINTENDO_WIIMOTE) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, + USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, + { } +}; +MODULE_DEVICE_TABLE(hid, wiimote_hid_devices); + +static struct hid_driver wiimote_hid_driver = { + .name = "wiimote", + .id_table = wiimote_hid_devices, + .probe = wiimote_hid_probe, + .remove = wiimote_hid_remove, + .raw_event = wiimote_hid_event, +}; +module_hid_driver(wiimote_hid_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); +MODULE_DESCRIPTION("Driver for Nintendo Wii / Wii U peripherals"); diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c new file mode 100644 index 00000000000..c13fb5bd79e --- /dev/null +++ b/drivers/hid/hid-wiimote-debug.c @@ -0,0 +1,225 @@ +/* + * Debug support for HID Nintendo Wii / Wii U peripherals + * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/debugfs.h> +#include <linux/module.h> +#include <linux/seq_file.h> +#include <linux/spinlock.h> +#include <linux/uaccess.h> +#include "hid-wiimote.h" + +struct wiimote_debug { + struct wiimote_data *wdata; + struct dentry *eeprom; + struct dentry *drm; +}; + +static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, + loff_t *off) +{ + struct wiimote_debug *dbg = f->private_data; + struct wiimote_data *wdata = dbg->wdata; + unsigned long flags; + ssize_t ret; + char buf[16]; + __u16 size = 0; + + if (s == 0) + return -EINVAL; + if (*off > 0xffffff) + return 0; + if (s > 16) + s = 16; + + ret = wiimote_cmd_acquire(wdata); + if (ret) + return ret; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.cmd_read_size = s; + wdata->state.cmd_read_buf = buf; + wiimote_cmd_set(wdata, WIIPROTO_REQ_RMEM, *off & 0xffff); + wiiproto_req_reeprom(wdata, *off, s); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + ret = wiimote_cmd_wait(wdata); + if (!ret) + size = wdata->state.cmd_read_size; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.cmd_read_buf = NULL; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + wiimote_cmd_release(wdata); + + if (ret) + return ret; + else if (size == 0) + return -EIO; + + if (copy_to_user(u, buf, size)) + return -EFAULT; + + *off += size; + ret = size; + + return ret; +} + +static const struct file_operations wiidebug_eeprom_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = wiidebug_eeprom_read, + .llseek = generic_file_llseek, +}; + +static const char *wiidebug_drmmap[] = { + [WIIPROTO_REQ_NULL] = "NULL", + [WIIPROTO_REQ_DRM_K] = "K", + [WIIPROTO_REQ_DRM_KA] = "KA", + [WIIPROTO_REQ_DRM_KE] = "KE", + [WIIPROTO_REQ_DRM_KAI] = "KAI", + [WIIPROTO_REQ_DRM_KEE] = "KEE", + [WIIPROTO_REQ_DRM_KAE] = "KAE", + [WIIPROTO_REQ_DRM_KIE] = "KIE", + [WIIPROTO_REQ_DRM_KAIE] = "KAIE", + [WIIPROTO_REQ_DRM_E] = "E", + [WIIPROTO_REQ_DRM_SKAI1] = "SKAI1", + [WIIPROTO_REQ_DRM_SKAI2] = "SKAI2", + [WIIPROTO_REQ_MAX] = NULL +}; + +static int wiidebug_drm_show(struct seq_file *f, void *p) +{ + struct wiimote_debug *dbg = f->private; + const char *str = NULL; + unsigned long flags; + __u8 drm; + + spin_lock_irqsave(&dbg->wdata->state.lock, flags); + drm = dbg->wdata->state.drm; + spin_unlock_irqrestore(&dbg->wdata->state.lock, flags); + + if (drm < WIIPROTO_REQ_MAX) + str = wiidebug_drmmap[drm]; + if (!str) + str = "unknown"; + + seq_printf(f, "%s\n", str); + + return 0; +} + +static int wiidebug_drm_open(struct inode *i, struct file *f) +{ + return single_open(f, wiidebug_drm_show, i->i_private); +} + +static ssize_t wiidebug_drm_write(struct file *f, const char __user *u, + size_t s, loff_t *off) +{ + struct seq_file *sf = f->private_data; + struct wiimote_debug *dbg = sf->private; + unsigned long flags; + char buf[16]; + ssize_t len; + int i; + + if (s == 0) + return -EINVAL; + + len = min((size_t) 15, s); + if (copy_from_user(buf, u, len)) + return -EFAULT; + + buf[len] = 0; + + for (i = 0; i < WIIPROTO_REQ_MAX; ++i) { + if (!wiidebug_drmmap[i]) + continue; + if (!strcasecmp(buf, wiidebug_drmmap[i])) + break; + } + + if (i == WIIPROTO_REQ_MAX) + i = simple_strtoul(buf, NULL, 16); + + spin_lock_irqsave(&dbg->wdata->state.lock, flags); + dbg->wdata->state.flags &= ~WIIPROTO_FLAG_DRM_LOCKED; + wiiproto_req_drm(dbg->wdata, (__u8) i); + if (i != WIIPROTO_REQ_NULL) + dbg->wdata->state.flags |= WIIPROTO_FLAG_DRM_LOCKED; + spin_unlock_irqrestore(&dbg->wdata->state.lock, flags); + + return len; +} + +static const struct file_operations wiidebug_drm_fops = { + .owner = THIS_MODULE, + .open = wiidebug_drm_open, + .read = seq_read, + .llseek = seq_lseek, + .write = wiidebug_drm_write, + .release = single_release, +}; + +int wiidebug_init(struct wiimote_data *wdata) +{ + struct wiimote_debug *dbg; + unsigned long flags; + int ret = -ENOMEM; + + dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); + if (!dbg) + return -ENOMEM; + + dbg->wdata = wdata; + + dbg->eeprom = debugfs_create_file("eeprom", S_IRUSR, + dbg->wdata->hdev->debug_dir, dbg, &wiidebug_eeprom_fops); + if (!dbg->eeprom) + goto err; + + dbg->drm = debugfs_create_file("drm", S_IRUSR, + dbg->wdata->hdev->debug_dir, dbg, &wiidebug_drm_fops); + if (!dbg->drm) + goto err_drm; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->debug = dbg; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; + +err_drm: + debugfs_remove(dbg->eeprom); +err: + kfree(dbg); + return ret; +} + +void wiidebug_deinit(struct wiimote_data *wdata) +{ + struct wiimote_debug *dbg = wdata->debug; + unsigned long flags; + + if (!dbg) + return; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->debug = NULL; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + debugfs_remove(dbg->drm); + debugfs_remove(dbg->eeprom); + kfree(dbg); +} diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c new file mode 100644 index 00000000000..6b61f01e01e --- /dev/null +++ b/drivers/hid/hid-wiimote-modules.c @@ -0,0 +1,2203 @@ +/* + * Device Modules for Nintendo Wii / Wii U HID Driver + * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Wiimote Modules + * Nintendo devices provide different peripherals and many new devices lack + * initial features like the IR camera. Therefore, each peripheral device is + * implemented as an independent module and we probe on each device only the + * modules for the hardware that really is available. + * + * Module registration is sequential. Unregistration is done in reverse order. + * After device detection, the needed modules are loaded. Users can trigger + * re-detection which causes all modules to be unloaded and then reload the + * modules for the new detected device. + * + * wdata->input is a shared input device. It is always initialized prior to + * module registration. If at least one registered module is marked as + * WIIMOD_FLAG_INPUT, then the input device will get registered after all + * modules were registered. + * Please note that it is unregistered _before_ the "remove" callbacks are + * called. This guarantees that no input interaction is done, anymore. However, + * the wiimote core keeps a reference to the input device so it is freed only + * after all modules were removed. It is safe to send events to unregistered + * input devices. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/spinlock.h> +#include "hid-wiimote.h" + +/* + * Keys + * The initial Wii Remote provided a bunch of buttons that are reported as + * part of the core protocol. Many later devices dropped these and report + * invalid data in the core button reports. Load this only on devices which + * correctly send button reports. + * It uses the shared input device. + */ + +static const __u16 wiimod_keys_map[] = { + KEY_LEFT, /* WIIPROTO_KEY_LEFT */ + KEY_RIGHT, /* WIIPROTO_KEY_RIGHT */ + KEY_UP, /* WIIPROTO_KEY_UP */ + KEY_DOWN, /* WIIPROTO_KEY_DOWN */ + KEY_NEXT, /* WIIPROTO_KEY_PLUS */ + KEY_PREVIOUS, /* WIIPROTO_KEY_MINUS */ + BTN_1, /* WIIPROTO_KEY_ONE */ + BTN_2, /* WIIPROTO_KEY_TWO */ + BTN_A, /* WIIPROTO_KEY_A */ + BTN_B, /* WIIPROTO_KEY_B */ + BTN_MODE, /* WIIPROTO_KEY_HOME */ +}; + +static void wiimod_keys_in_keys(struct wiimote_data *wdata, const __u8 *keys) +{ + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_LEFT], + !!(keys[0] & 0x01)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_RIGHT], + !!(keys[0] & 0x02)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_DOWN], + !!(keys[0] & 0x04)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_UP], + !!(keys[0] & 0x08)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_PLUS], + !!(keys[0] & 0x10)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_TWO], + !!(keys[1] & 0x01)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_ONE], + !!(keys[1] & 0x02)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_B], + !!(keys[1] & 0x04)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_A], + !!(keys[1] & 0x08)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_MINUS], + !!(keys[1] & 0x10)); + input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_HOME], + !!(keys[1] & 0x80)); + input_sync(wdata->input); +} + +static int wiimod_keys_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned int i; + + set_bit(EV_KEY, wdata->input->evbit); + for (i = 0; i < WIIPROTO_KEY_COUNT; ++i) + set_bit(wiimod_keys_map[i], wdata->input->keybit); + + return 0; +} + +static const struct wiimod_ops wiimod_keys = { + .flags = WIIMOD_FLAG_INPUT, + .arg = 0, + .probe = wiimod_keys_probe, + .remove = NULL, + .in_keys = wiimod_keys_in_keys, +}; + +/* + * Rumble + * Nearly all devices provide a rumble feature. A small motor for + * force-feedback effects. We provide an FF_RUMBLE memless ff device on the + * shared input device if this module is loaded. + * The rumble motor is controlled via a flag on almost every output report so + * the wiimote core handles the rumble flag. But if a device doesn't provide + * the rumble motor, this flag shouldn't be set. + */ + +/* used by wiimod_rumble and wiipro_rumble */ +static void wiimod_rumble_worker(struct work_struct *work) +{ + struct wiimote_data *wdata = container_of(work, struct wiimote_data, + rumble_worker); + + spin_lock_irq(&wdata->state.lock); + wiiproto_req_rumble(wdata, wdata->state.cache_rumble); + spin_unlock_irq(&wdata->state.lock); +} + +static int wiimod_rumble_play(struct input_dev *dev, void *data, + struct ff_effect *eff) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + __u8 value; + + /* + * The wiimote supports only a single rumble motor so if any magnitude + * is set to non-zero then we start the rumble motor. If both are set to + * zero, we stop the rumble motor. + */ + + if (eff->u.rumble.strong_magnitude || eff->u.rumble.weak_magnitude) + value = 1; + else + value = 0; + + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); + + return 0; +} + +static int wiimod_rumble_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + + set_bit(FF_RUMBLE, wdata->input->ffbit); + if (input_ff_create_memless(wdata->input, NULL, wiimod_rumble_play)) + return -ENOMEM; + + return 0; +} + +static void wiimod_rumble_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned long flags; + + cancel_work_sync(&wdata->rumble_worker); + + spin_lock_irqsave(&wdata->state.lock, flags); + wiiproto_req_rumble(wdata, 0); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static const struct wiimod_ops wiimod_rumble = { + .flags = WIIMOD_FLAG_INPUT, + .arg = 0, + .probe = wiimod_rumble_probe, + .remove = wiimod_rumble_remove, +}; + +/* + * Battery + * 1 byte of battery capacity information is sent along every protocol status + * report. The wiimote core caches it but we try to update it on every + * user-space request. + * This is supported by nearly every device so it's almost always enabled. + */ + +static enum power_supply_property wiimod_battery_props[] = { + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_SCOPE, +}; + +static int wiimod_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct wiimote_data *wdata = container_of(psy, struct wiimote_data, + battery); + int ret = 0, state; + unsigned long flags; + + if (psp == POWER_SUPPLY_PROP_SCOPE) { + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + return 0; + } else if (psp != POWER_SUPPLY_PROP_CAPACITY) { + return -EINVAL; + } + + ret = wiimote_cmd_acquire(wdata); + if (ret) + return ret; + + spin_lock_irqsave(&wdata->state.lock, flags); + wiimote_cmd_set(wdata, WIIPROTO_REQ_SREQ, 0); + wiiproto_req_status(wdata); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + wiimote_cmd_wait(wdata); + wiimote_cmd_release(wdata); + + spin_lock_irqsave(&wdata->state.lock, flags); + state = wdata->state.cmd_battery; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + val->intval = state * 100 / 255; + return ret; +} + +static int wiimod_battery_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret; + + wdata->battery.properties = wiimod_battery_props; + wdata->battery.num_properties = ARRAY_SIZE(wiimod_battery_props); + wdata->battery.get_property = wiimod_battery_get_property; + wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; + wdata->battery.use_for_apm = 0; + wdata->battery.name = kasprintf(GFP_KERNEL, "wiimote_battery_%s", + wdata->hdev->uniq); + if (!wdata->battery.name) + return -ENOMEM; + + ret = power_supply_register(&wdata->hdev->dev, &wdata->battery); + if (ret) { + hid_err(wdata->hdev, "cannot register battery device\n"); + goto err_free; + } + + power_supply_powers(&wdata->battery, &wdata->hdev->dev); + return 0; + +err_free: + kfree(wdata->battery.name); + wdata->battery.name = NULL; + return ret; +} + +static void wiimod_battery_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->battery.name) + return; + + power_supply_unregister(&wdata->battery); + kfree(wdata->battery.name); + wdata->battery.name = NULL; +} + +static const struct wiimod_ops wiimod_battery = { + .flags = 0, + .arg = 0, + .probe = wiimod_battery_probe, + .remove = wiimod_battery_remove, +}; + +/* + * LED + * 0 to 4 player LEDs are supported by devices. The "arg" field of the + * wiimod_ops structure specifies which LED this module controls. This allows + * to register a limited number of LEDs. + * State is managed by wiimote core. + */ + +static enum led_brightness wiimod_led_get(struct led_classdev *led_dev) +{ + struct wiimote_data *wdata; + struct device *dev = led_dev->dev->parent; + int i; + unsigned long flags; + bool value = false; + + wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); + + for (i = 0; i < 4; ++i) { + if (wdata->leds[i] == led_dev) { + spin_lock_irqsave(&wdata->state.lock, flags); + value = wdata->state.flags & WIIPROTO_FLAG_LED(i + 1); + spin_unlock_irqrestore(&wdata->state.lock, flags); + break; + } + } + + return value ? LED_FULL : LED_OFF; +} + +static void wiimod_led_set(struct led_classdev *led_dev, + enum led_brightness value) +{ + struct wiimote_data *wdata; + struct device *dev = led_dev->dev->parent; + int i; + unsigned long flags; + __u8 state, flag; + + wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); + + for (i = 0; i < 4; ++i) { + if (wdata->leds[i] == led_dev) { + flag = WIIPROTO_FLAG_LED(i + 1); + spin_lock_irqsave(&wdata->state.lock, flags); + state = wdata->state.flags; + if (value == LED_OFF) + wiiproto_req_leds(wdata, state & ~flag); + else + wiiproto_req_leds(wdata, state | flag); + spin_unlock_irqrestore(&wdata->state.lock, flags); + break; + } + } +} + +static int wiimod_led_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + struct device *dev = &wdata->hdev->dev; + size_t namesz = strlen(dev_name(dev)) + 9; + struct led_classdev *led; + unsigned long flags; + char *name; + int ret; + + led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL); + if (!led) + return -ENOMEM; + + name = (void*)&led[1]; + snprintf(name, namesz, "%s:blue:p%lu", dev_name(dev), ops->arg); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = wiimod_led_get; + led->brightness_set = wiimod_led_set; + + wdata->leds[ops->arg] = led; + ret = led_classdev_register(dev, led); + if (ret) + goto err_free; + + /* enable LED1 to stop initial LED-blinking */ + if (ops->arg == 0) { + spin_lock_irqsave(&wdata->state.lock, flags); + wiiproto_req_leds(wdata, WIIPROTO_FLAG_LED1); + spin_unlock_irqrestore(&wdata->state.lock, flags); + } + + return 0; + +err_free: + wdata->leds[ops->arg] = NULL; + kfree(led); + return ret; +} + +static void wiimod_led_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->leds[ops->arg]) + return; + + led_classdev_unregister(wdata->leds[ops->arg]); + kfree(wdata->leds[ops->arg]); + wdata->leds[ops->arg] = NULL; +} + +static const struct wiimod_ops wiimod_leds[4] = { + { + .flags = 0, + .arg = 0, + .probe = wiimod_led_probe, + .remove = wiimod_led_remove, + }, + { + .flags = 0, + .arg = 1, + .probe = wiimod_led_probe, + .remove = wiimod_led_remove, + }, + { + .flags = 0, + .arg = 2, + .probe = wiimod_led_probe, + .remove = wiimod_led_remove, + }, + { + .flags = 0, + .arg = 3, + .probe = wiimod_led_probe, + .remove = wiimod_led_remove, + }, +}; + +/* + * Accelerometer + * 3 axis accelerometer data is part of nearly all DRMs. If not supported by a + * device, it's mostly cleared to 0. This module parses this data and provides + * it via a separate input device. + */ + +static void wiimod_accel_in_accel(struct wiimote_data *wdata, + const __u8 *accel) +{ + __u16 x, y, z; + + if (!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) + return; + + /* + * payload is: BB BB XX YY ZZ + * Accelerometer data is encoded into 3 10bit values. XX, YY and ZZ + * contain the upper 8 bits of each value. The lower 2 bits are + * contained in the buttons data BB BB. + * Bits 6 and 7 of the first buttons byte BB is the lower 2 bits of the + * X accel value. Bit 5 of the second buttons byte is the 2nd bit of Y + * accel value and bit 6 is the second bit of the Z value. + * The first bit of Y and Z values is not available and always set to 0. + * 0x200 is returned on no movement. + */ + + x = accel[2] << 2; + y = accel[3] << 2; + z = accel[4] << 2; + + x |= (accel[0] >> 5) & 0x3; + y |= (accel[1] >> 4) & 0x2; + z |= (accel[1] >> 5) & 0x2; + + input_report_abs(wdata->accel, ABS_RX, x - 0x200); + input_report_abs(wdata->accel, ABS_RY, y - 0x200); + input_report_abs(wdata->accel, ABS_RZ, z - 0x200); + input_sync(wdata->accel); +} + +static int wiimod_accel_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wiiproto_req_accel(wdata, true); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_accel_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wiiproto_req_accel(wdata, false); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static int wiimod_accel_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret; + + wdata->accel = input_allocate_device(); + if (!wdata->accel) + return -ENOMEM; + + input_set_drvdata(wdata->accel, wdata); + wdata->accel->open = wiimod_accel_open; + wdata->accel->close = wiimod_accel_close; + wdata->accel->dev.parent = &wdata->hdev->dev; + wdata->accel->id.bustype = wdata->hdev->bus; + wdata->accel->id.vendor = wdata->hdev->vendor; + wdata->accel->id.product = wdata->hdev->product; + wdata->accel->id.version = wdata->hdev->version; + wdata->accel->name = WIIMOTE_NAME " Accelerometer"; + + set_bit(EV_ABS, wdata->accel->evbit); + set_bit(ABS_RX, wdata->accel->absbit); + set_bit(ABS_RY, wdata->accel->absbit); + set_bit(ABS_RZ, wdata->accel->absbit); + input_set_abs_params(wdata->accel, ABS_RX, -500, 500, 2, 4); + input_set_abs_params(wdata->accel, ABS_RY, -500, 500, 2, 4); + input_set_abs_params(wdata->accel, ABS_RZ, -500, 500, 2, 4); + + ret = input_register_device(wdata->accel); + if (ret) { + hid_err(wdata->hdev, "cannot register input device\n"); + goto err_free; + } + + return 0; + +err_free: + input_free_device(wdata->accel); + wdata->accel = NULL; + return ret; +} + +static void wiimod_accel_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->accel) + return; + + input_unregister_device(wdata->accel); + wdata->accel = NULL; +} + +static const struct wiimod_ops wiimod_accel = { + .flags = 0, + .arg = 0, + .probe = wiimod_accel_probe, + .remove = wiimod_accel_remove, + .in_accel = wiimod_accel_in_accel, +}; + +/* + * IR Cam + * Up to 4 IR sources can be tracked by a normal Wii Remote. The IR cam needs + * to be initialized with a fairly complex procedure and consumes a lot of + * power. Therefore, as long as no application uses the IR input device, it is + * kept offline. + * Nearly no other device than the normal Wii Remotes supports the IR cam so + * you can disable this module for these devices. + */ + +static void wiimod_ir_in_ir(struct wiimote_data *wdata, const __u8 *ir, + bool packed, unsigned int id) +{ + __u16 x, y; + __u8 xid, yid; + bool sync = false; + + if (!(wdata->state.flags & WIIPROTO_FLAGS_IR)) + return; + + switch (id) { + case 0: + xid = ABS_HAT0X; + yid = ABS_HAT0Y; + break; + case 1: + xid = ABS_HAT1X; + yid = ABS_HAT1Y; + break; + case 2: + xid = ABS_HAT2X; + yid = ABS_HAT2Y; + break; + case 3: + xid = ABS_HAT3X; + yid = ABS_HAT3Y; + sync = true; + break; + default: + return; + } + + /* + * Basic IR data is encoded into 3 bytes. The first two bytes are the + * lower 8 bit of the X/Y data, the 3rd byte contains the upper 2 bits + * of both. + * If data is packed, then the 3rd byte is put first and slightly + * reordered. This allows to interleave packed and non-packed data to + * have two IR sets in 5 bytes instead of 6. + * The resulting 10bit X/Y values are passed to the ABS_HAT? input dev. + */ + + if (packed) { + x = ir[1] | ((ir[0] & 0x03) << 8); + y = ir[2] | ((ir[0] & 0x0c) << 6); + } else { + x = ir[0] | ((ir[2] & 0x30) << 4); + y = ir[1] | ((ir[2] & 0xc0) << 2); + } + + input_report_abs(wdata->ir, xid, x); + input_report_abs(wdata->ir, yid, y); + + if (sync) + input_sync(wdata->ir); +} + +static int wiimod_ir_change(struct wiimote_data *wdata, __u16 mode) +{ + int ret; + unsigned long flags; + __u8 format = 0; + static const __u8 data_enable[] = { 0x01 }; + static const __u8 data_sens1[] = { 0x02, 0x00, 0x00, 0x71, 0x01, + 0x00, 0xaa, 0x00, 0x64 }; + static const __u8 data_sens2[] = { 0x63, 0x03 }; + static const __u8 data_fin[] = { 0x08 }; + + spin_lock_irqsave(&wdata->state.lock, flags); + + if (mode == (wdata->state.flags & WIIPROTO_FLAGS_IR)) { + spin_unlock_irqrestore(&wdata->state.lock, flags); + return 0; + } + + if (mode == 0) { + wdata->state.flags &= ~WIIPROTO_FLAGS_IR; + wiiproto_req_ir1(wdata, 0); + wiiproto_req_ir2(wdata, 0); + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); + return 0; + } + + spin_unlock_irqrestore(&wdata->state.lock, flags); + + ret = wiimote_cmd_acquire(wdata); + if (ret) + return ret; + + /* send PIXEL CLOCK ENABLE cmd first */ + spin_lock_irqsave(&wdata->state.lock, flags); + wiimote_cmd_set(wdata, WIIPROTO_REQ_IR1, 0); + wiiproto_req_ir1(wdata, 0x06); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + ret = wiimote_cmd_wait(wdata); + if (ret) + goto unlock; + if (wdata->state.cmd_err) { + ret = -EIO; + goto unlock; + } + + /* enable IR LOGIC */ + spin_lock_irqsave(&wdata->state.lock, flags); + wiimote_cmd_set(wdata, WIIPROTO_REQ_IR2, 0); + wiiproto_req_ir2(wdata, 0x06); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + ret = wiimote_cmd_wait(wdata); + if (ret) + goto unlock; + if (wdata->state.cmd_err) { + ret = -EIO; + goto unlock; + } + + /* enable IR cam but do not make it send data, yet */ + ret = wiimote_cmd_write(wdata, 0xb00030, data_enable, + sizeof(data_enable)); + if (ret) + goto unlock; + + /* write first sensitivity block */ + ret = wiimote_cmd_write(wdata, 0xb00000, data_sens1, + sizeof(data_sens1)); + if (ret) + goto unlock; + + /* write second sensitivity block */ + ret = wiimote_cmd_write(wdata, 0xb0001a, data_sens2, + sizeof(data_sens2)); + if (ret) + goto unlock; + + /* put IR cam into desired state */ + switch (mode) { + case WIIPROTO_FLAG_IR_FULL: + format = 5; + break; + case WIIPROTO_FLAG_IR_EXT: + format = 3; + break; + case WIIPROTO_FLAG_IR_BASIC: + format = 1; + break; + } + ret = wiimote_cmd_write(wdata, 0xb00033, &format, sizeof(format)); + if (ret) + goto unlock; + + /* make IR cam send data */ + ret = wiimote_cmd_write(wdata, 0xb00030, data_fin, sizeof(data_fin)); + if (ret) + goto unlock; + + /* request new DRM mode compatible to IR mode */ + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAGS_IR; + wdata->state.flags |= mode & WIIPROTO_FLAGS_IR; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); + +unlock: + wiimote_cmd_release(wdata); + return ret; +} + +static int wiimod_ir_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + + return wiimod_ir_change(wdata, WIIPROTO_FLAG_IR_BASIC); +} + +static void wiimod_ir_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + + wiimod_ir_change(wdata, 0); +} + +static int wiimod_ir_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret; + + wdata->ir = input_allocate_device(); + if (!wdata->ir) + return -ENOMEM; + + input_set_drvdata(wdata->ir, wdata); + wdata->ir->open = wiimod_ir_open; + wdata->ir->close = wiimod_ir_close; + wdata->ir->dev.parent = &wdata->hdev->dev; + wdata->ir->id.bustype = wdata->hdev->bus; + wdata->ir->id.vendor = wdata->hdev->vendor; + wdata->ir->id.product = wdata->hdev->product; + wdata->ir->id.version = wdata->hdev->version; + wdata->ir->name = WIIMOTE_NAME " IR"; + + set_bit(EV_ABS, wdata->ir->evbit); + set_bit(ABS_HAT0X, wdata->ir->absbit); + set_bit(ABS_HAT0Y, wdata->ir->absbit); + set_bit(ABS_HAT1X, wdata->ir->absbit); + set_bit(ABS_HAT1Y, wdata->ir->absbit); + set_bit(ABS_HAT2X, wdata->ir->absbit); + set_bit(ABS_HAT2Y, wdata->ir->absbit); + set_bit(ABS_HAT3X, wdata->ir->absbit); + set_bit(ABS_HAT3Y, wdata->ir->absbit); + input_set_abs_params(wdata->ir, ABS_HAT0X, 0, 1023, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT0Y, 0, 767, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT1X, 0, 1023, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT1Y, 0, 767, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT2X, 0, 1023, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT2Y, 0, 767, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT3X, 0, 1023, 2, 4); + input_set_abs_params(wdata->ir, ABS_HAT3Y, 0, 767, 2, 4); + + ret = input_register_device(wdata->ir); + if (ret) { + hid_err(wdata->hdev, "cannot register input device\n"); + goto err_free; + } + + return 0; + +err_free: + input_free_device(wdata->ir); + wdata->ir = NULL; + return ret; +} + +static void wiimod_ir_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->ir) + return; + + input_unregister_device(wdata->ir); + wdata->ir = NULL; +} + +static const struct wiimod_ops wiimod_ir = { + .flags = 0, + .arg = 0, + .probe = wiimod_ir_probe, + .remove = wiimod_ir_remove, + .in_ir = wiimod_ir_in_ir, +}; + +/* + * Nunchuk Extension + * The Nintendo Wii Nunchuk was the first official extension published by + * Nintendo. It provides two additional keys and a separate accelerometer. It + * can be hotplugged to standard Wii Remotes. + */ + +enum wiimod_nunchuk_keys { + WIIMOD_NUNCHUK_KEY_C, + WIIMOD_NUNCHUK_KEY_Z, + WIIMOD_NUNCHUK_KEY_NUM, +}; + +static const __u16 wiimod_nunchuk_map[] = { + BTN_C, /* WIIMOD_NUNCHUK_KEY_C */ + BTN_Z, /* WIIMOD_NUNCHUK_KEY_Z */ +}; + +static void wiimod_nunchuk_in_ext(struct wiimote_data *wdata, const __u8 *ext) +{ + __s16 x, y, z, bx, by; + + /* Byte | 8 7 | 6 5 | 4 3 | 2 | 1 | + * -----+----------+---------+---------+----+-----+ + * 1 | Button X <7:0> | + * 2 | Button Y <7:0> | + * -----+----------+---------+---------+----+-----+ + * 3 | Speed X <9:2> | + * 4 | Speed Y <9:2> | + * 5 | Speed Z <9:2> | + * -----+----------+---------+---------+----+-----+ + * 6 | Z <1:0> | Y <1:0> | X <1:0> | BC | BZ | + * -----+----------+---------+---------+----+-----+ + * Button X/Y is the analog stick. Speed X, Y and Z are the + * accelerometer data in the same format as the wiimote's accelerometer. + * The 6th byte contains the LSBs of the accelerometer data. + * BC and BZ are the C and Z buttons: 0 means pressed + * + * If reported interleaved with motionp, then the layout changes. The + * 5th and 6th byte changes to: + * -----+-----------------------------------+-----+ + * 5 | Speed Z <9:3> | EXT | + * -----+--------+-----+-----+----+----+----+-----+ + * 6 |Z <2:1> |Y <1>|X <1>| BC | BZ | 0 | 0 | + * -----+--------+-----+-----+----+----+----+-----+ + * All three accelerometer values lose their LSB. The other data is + * still available but slightly moved. + * + * Center data for button values is 128. Center value for accelerometer + * values it 512 / 0x200 + */ + + bx = ext[0]; + by = ext[1]; + bx -= 128; + by -= 128; + + x = ext[2] << 2; + y = ext[3] << 2; + z = ext[4] << 2; + + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + x |= (ext[5] >> 3) & 0x02; + y |= (ext[5] >> 4) & 0x02; + z &= ~0x4; + z |= (ext[5] >> 5) & 0x06; + } else { + x |= (ext[5] >> 2) & 0x03; + y |= (ext[5] >> 4) & 0x03; + z |= (ext[5] >> 6) & 0x03; + } + + x -= 0x200; + y -= 0x200; + z -= 0x200; + + input_report_abs(wdata->extension.input, ABS_HAT0X, bx); + input_report_abs(wdata->extension.input, ABS_HAT0Y, by); + + input_report_abs(wdata->extension.input, ABS_RX, x); + input_report_abs(wdata->extension.input, ABS_RY, y); + input_report_abs(wdata->extension.input, ABS_RZ, z); + + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + input_report_key(wdata->extension.input, + wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_Z], + !(ext[5] & 0x04)); + input_report_key(wdata->extension.input, + wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_C], + !(ext[5] & 0x08)); + } else { + input_report_key(wdata->extension.input, + wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_Z], + !(ext[5] & 0x01)); + input_report_key(wdata->extension.input, + wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_C], + !(ext[5] & 0x02)); + } + + input_sync(wdata->extension.input); +} + +static int wiimod_nunchuk_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_nunchuk_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static int wiimod_nunchuk_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret, i; + + wdata->extension.input = input_allocate_device(); + if (!wdata->extension.input) + return -ENOMEM; + + input_set_drvdata(wdata->extension.input, wdata); + wdata->extension.input->open = wiimod_nunchuk_open; + wdata->extension.input->close = wiimod_nunchuk_close; + wdata->extension.input->dev.parent = &wdata->hdev->dev; + wdata->extension.input->id.bustype = wdata->hdev->bus; + wdata->extension.input->id.vendor = wdata->hdev->vendor; + wdata->extension.input->id.product = wdata->hdev->product; + wdata->extension.input->id.version = wdata->hdev->version; + wdata->extension.input->name = WIIMOTE_NAME " Nunchuk"; + + set_bit(EV_KEY, wdata->extension.input->evbit); + for (i = 0; i < WIIMOD_NUNCHUK_KEY_NUM; ++i) + set_bit(wiimod_nunchuk_map[i], + wdata->extension.input->keybit); + + set_bit(EV_ABS, wdata->extension.input->evbit); + set_bit(ABS_HAT0X, wdata->extension.input->absbit); + set_bit(ABS_HAT0Y, wdata->extension.input->absbit); + input_set_abs_params(wdata->extension.input, + ABS_HAT0X, -120, 120, 2, 4); + input_set_abs_params(wdata->extension.input, + ABS_HAT0Y, -120, 120, 2, 4); + set_bit(ABS_RX, wdata->extension.input->absbit); + set_bit(ABS_RY, wdata->extension.input->absbit); + set_bit(ABS_RZ, wdata->extension.input->absbit); + input_set_abs_params(wdata->extension.input, + ABS_RX, -500, 500, 2, 4); + input_set_abs_params(wdata->extension.input, + ABS_RY, -500, 500, 2, 4); + input_set_abs_params(wdata->extension.input, + ABS_RZ, -500, 500, 2, 4); + + ret = input_register_device(wdata->extension.input); + if (ret) + goto err_free; + + return 0; + +err_free: + input_free_device(wdata->extension.input); + wdata->extension.input = NULL; + return ret; +} + +static void wiimod_nunchuk_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->extension.input) + return; + + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; +} + +static const struct wiimod_ops wiimod_nunchuk = { + .flags = 0, + .arg = 0, + .probe = wiimod_nunchuk_probe, + .remove = wiimod_nunchuk_remove, + .in_ext = wiimod_nunchuk_in_ext, +}; + +/* + * Classic Controller + * Another official extension from Nintendo. It provides a classic + * gamecube-like controller that can be hotplugged on the Wii Remote. + * It has several hardware buttons and switches that are all reported via + * a normal extension device. + */ + +enum wiimod_classic_keys { + WIIMOD_CLASSIC_KEY_A, + WIIMOD_CLASSIC_KEY_B, + WIIMOD_CLASSIC_KEY_X, + WIIMOD_CLASSIC_KEY_Y, + WIIMOD_CLASSIC_KEY_ZL, + WIIMOD_CLASSIC_KEY_ZR, + WIIMOD_CLASSIC_KEY_PLUS, + WIIMOD_CLASSIC_KEY_MINUS, + WIIMOD_CLASSIC_KEY_HOME, + WIIMOD_CLASSIC_KEY_LEFT, + WIIMOD_CLASSIC_KEY_RIGHT, + WIIMOD_CLASSIC_KEY_UP, + WIIMOD_CLASSIC_KEY_DOWN, + WIIMOD_CLASSIC_KEY_LT, + WIIMOD_CLASSIC_KEY_RT, + WIIMOD_CLASSIC_KEY_NUM, +}; + +static const __u16 wiimod_classic_map[] = { + BTN_A, /* WIIMOD_CLASSIC_KEY_A */ + BTN_B, /* WIIMOD_CLASSIC_KEY_B */ + BTN_X, /* WIIMOD_CLASSIC_KEY_X */ + BTN_Y, /* WIIMOD_CLASSIC_KEY_Y */ + BTN_TL2, /* WIIMOD_CLASSIC_KEY_ZL */ + BTN_TR2, /* WIIMOD_CLASSIC_KEY_ZR */ + KEY_NEXT, /* WIIMOD_CLASSIC_KEY_PLUS */ + KEY_PREVIOUS, /* WIIMOD_CLASSIC_KEY_MINUS */ + BTN_MODE, /* WIIMOD_CLASSIC_KEY_HOME */ + KEY_LEFT, /* WIIMOD_CLASSIC_KEY_LEFT */ + KEY_RIGHT, /* WIIMOD_CLASSIC_KEY_RIGHT */ + KEY_UP, /* WIIMOD_CLASSIC_KEY_UP */ + KEY_DOWN, /* WIIMOD_CLASSIC_KEY_DOWN */ + BTN_TL, /* WIIMOD_CLASSIC_KEY_LT */ + BTN_TR, /* WIIMOD_CLASSIC_KEY_RT */ +}; + +static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext) +{ + __s8 rx, ry, lx, ly, lt, rt; + + /* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 1 | RX <5:4> | LX <5:0> | + * 2 | RX <3:2> | LY <5:0> | + * -----+-----+-----+-----+-----------------------------+ + * 3 |RX<1>| LT <5:4> | RY <5:1> | + * -----+-----+-----------+-----------------------------+ + * 4 | LT <3:1> | RT <5:1> | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 5 | BDR | BDD | BLT | B- | BH | B+ | BRT | 1 | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 6 | BZL | BB | BY | BA | BX | BZR | BDL | BDU | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * All buttons are 0 if pressed + * RX and RY are right analog stick + * LX and LY are left analog stick + * LT is left trigger, RT is right trigger + * BLT is 0 if left trigger is fully pressed + * BRT is 0 if right trigger is fully pressed + * BDR, BDD, BDL, BDU form the D-Pad with right, down, left, up buttons + * BZL is left Z button and BZR is right Z button + * B-, BH, B+ are +, HOME and - buttons + * BB, BY, BA, BX are A, B, X, Y buttons + * LSB of RX, RY, LT, and RT are not transmitted and always 0. + * + * With motionp enabled it changes slightly to this: + * Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 1 | RX <5:4> | LX <5:1> | BDU | + * 2 | RX <3:2> | LY <5:1> | BDL | + * -----+-----+-----+-----+-----------------------+-----+ + * 3 |RX<1>| LT <5:4> | RY <5:1> | + * -----+-----+-----------+-----------------------------+ + * 4 | LT <3:1> | RT <5:1> | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 5 | BDR | BDD | BLT | B- | BH | B+ | BRT | EXT | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 6 | BZL | BB | BY | BA | BX | BZR | 0 | 0 | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * Only the LSBs of LX and LY are lost. BDU and BDL are moved, the rest + * is the same as before. + */ + + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + lx = ext[0] & 0x3e; + ly = ext[1] & 0x3e; + } else { + lx = ext[0] & 0x3f; + ly = ext[1] & 0x3f; + } + + rx = (ext[0] >> 3) & 0x18; + rx |= (ext[1] >> 5) & 0x06; + rx |= (ext[2] >> 7) & 0x01; + ry = ext[2] & 0x1f; + + rt = ext[3] & 0x1f; + lt = (ext[2] >> 2) & 0x18; + lt |= (ext[3] >> 5) & 0x07; + + rx <<= 1; + ry <<= 1; + rt <<= 1; + lt <<= 1; + + input_report_abs(wdata->extension.input, ABS_HAT1X, lx - 0x20); + input_report_abs(wdata->extension.input, ABS_HAT1Y, ly - 0x20); + input_report_abs(wdata->extension.input, ABS_HAT2X, rx - 0x20); + input_report_abs(wdata->extension.input, ABS_HAT2Y, ry - 0x20); + input_report_abs(wdata->extension.input, ABS_HAT3X, rt); + input_report_abs(wdata->extension.input, ABS_HAT3Y, lt); + + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT], + !(ext[4] & 0x80)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN], + !(ext[4] & 0x40)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_LT], + !(ext[4] & 0x20)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_MINUS], + !(ext[4] & 0x10)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_HOME], + !(ext[4] & 0x08)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_PLUS], + !(ext[4] & 0x04)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_RT], + !(ext[4] & 0x02)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZL], + !(ext[5] & 0x80)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_B], + !(ext[5] & 0x40)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_Y], + !(ext[5] & 0x20)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_A], + !(ext[5] & 0x10)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_X], + !(ext[5] & 0x08)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZR], + !(ext[5] & 0x04)); + + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT], + !(ext[1] & 0x01)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP], + !(ext[0] & 0x01)); + } else { + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT], + !(ext[5] & 0x02)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP], + !(ext[5] & 0x01)); + } + + input_sync(wdata->extension.input); +} + +static int wiimod_classic_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_classic_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static int wiimod_classic_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret, i; + + wdata->extension.input = input_allocate_device(); + if (!wdata->extension.input) + return -ENOMEM; + + input_set_drvdata(wdata->extension.input, wdata); + wdata->extension.input->open = wiimod_classic_open; + wdata->extension.input->close = wiimod_classic_close; + wdata->extension.input->dev.parent = &wdata->hdev->dev; + wdata->extension.input->id.bustype = wdata->hdev->bus; + wdata->extension.input->id.vendor = wdata->hdev->vendor; + wdata->extension.input->id.product = wdata->hdev->product; + wdata->extension.input->id.version = wdata->hdev->version; + wdata->extension.input->name = WIIMOTE_NAME " Classic Controller"; + + set_bit(EV_KEY, wdata->extension.input->evbit); + for (i = 0; i < WIIMOD_CLASSIC_KEY_NUM; ++i) + set_bit(wiimod_classic_map[i], + wdata->extension.input->keybit); + + set_bit(EV_ABS, wdata->extension.input->evbit); + set_bit(ABS_HAT1X, wdata->extension.input->absbit); + set_bit(ABS_HAT1Y, wdata->extension.input->absbit); + set_bit(ABS_HAT2X, wdata->extension.input->absbit); + set_bit(ABS_HAT2Y, wdata->extension.input->absbit); + set_bit(ABS_HAT3X, wdata->extension.input->absbit); + set_bit(ABS_HAT3Y, wdata->extension.input->absbit); + input_set_abs_params(wdata->extension.input, + ABS_HAT1X, -30, 30, 1, 1); + input_set_abs_params(wdata->extension.input, + ABS_HAT1Y, -30, 30, 1, 1); + input_set_abs_params(wdata->extension.input, + ABS_HAT2X, -30, 30, 1, 1); + input_set_abs_params(wdata->extension.input, + ABS_HAT2Y, -30, 30, 1, 1); + input_set_abs_params(wdata->extension.input, + ABS_HAT3X, -30, 30, 1, 1); + input_set_abs_params(wdata->extension.input, + ABS_HAT3Y, -30, 30, 1, 1); + + ret = input_register_device(wdata->extension.input); + if (ret) + goto err_free; + + return 0; + +err_free: + input_free_device(wdata->extension.input); + wdata->extension.input = NULL; + return ret; +} + +static void wiimod_classic_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->extension.input) + return; + + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; +} + +static const struct wiimod_ops wiimod_classic = { + .flags = 0, + .arg = 0, + .probe = wiimod_classic_probe, + .remove = wiimod_classic_remove, + .in_ext = wiimod_classic_in_ext, +}; + +/* + * Balance Board Extension + * The Nintendo Wii Balance Board provides four hardware weight sensor plus a + * single push button. No other peripherals are available. However, the + * balance-board data is sent via a standard Wii Remote extension. All other + * data for non-present hardware is zeroed out. + * Some 3rd party devices react allergic if we try to access normal Wii Remote + * hardware, so this extension module should be the only module that is loaded + * on balance boards. + * The balance board needs 8 bytes extension data instead of basic 6 bytes so + * it needs the WIIMOD_FLAG_EXT8 flag. + */ + +static void wiimod_bboard_in_keys(struct wiimote_data *wdata, const __u8 *keys) +{ + input_report_key(wdata->extension.input, BTN_A, + !!(keys[1] & 0x08)); + input_sync(wdata->extension.input); +} + +static void wiimod_bboard_in_ext(struct wiimote_data *wdata, + const __u8 *ext) +{ + __s32 val[4], tmp, div; + unsigned int i; + struct wiimote_state *s = &wdata->state; + + /* + * Balance board data layout: + * + * Byte | 8 7 6 5 4 3 2 1 | + * -----+--------------------------+ + * 1 | Top Right <15:8> | + * 2 | Top Right <7:0> | + * -----+--------------------------+ + * 3 | Bottom Right <15:8> | + * 4 | Bottom Right <7:0> | + * -----+--------------------------+ + * 5 | Top Left <15:8> | + * 6 | Top Left <7:0> | + * -----+--------------------------+ + * 7 | Bottom Left <15:8> | + * 8 | Bottom Left <7:0> | + * -----+--------------------------+ + * + * These values represent the weight-measurements of the Wii-balance + * board with 16bit precision. + * + * The balance-board is never reported interleaved with motionp. + */ + + val[0] = ext[0]; + val[0] <<= 8; + val[0] |= ext[1]; + + val[1] = ext[2]; + val[1] <<= 8; + val[1] |= ext[3]; + + val[2] = ext[4]; + val[2] <<= 8; + val[2] |= ext[5]; + + val[3] = ext[6]; + val[3] <<= 8; + val[3] |= ext[7]; + + /* apply calibration data */ + for (i = 0; i < 4; i++) { + if (val[i] <= s->calib_bboard[i][0]) { + tmp = 0; + } else if (val[i] < s->calib_bboard[i][1]) { + tmp = val[i] - s->calib_bboard[i][0]; + tmp *= 1700; + div = s->calib_bboard[i][1] - s->calib_bboard[i][0]; + tmp /= div ? div : 1; + } else { + tmp = val[i] - s->calib_bboard[i][1]; + tmp *= 1700; + div = s->calib_bboard[i][2] - s->calib_bboard[i][1]; + tmp /= div ? div : 1; + tmp += 1700; + } + val[i] = tmp; + } + + input_report_abs(wdata->extension.input, ABS_HAT0X, val[0]); + input_report_abs(wdata->extension.input, ABS_HAT0Y, val[1]); + input_report_abs(wdata->extension.input, ABS_HAT1X, val[2]); + input_report_abs(wdata->extension.input, ABS_HAT1Y, val[3]); + input_sync(wdata->extension.input); +} + +static int wiimod_bboard_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_bboard_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static ssize_t wiimod_bboard_calib_show(struct device *dev, + struct device_attribute *attr, + char *out) +{ + struct wiimote_data *wdata = dev_to_wii(dev); + int i, j, ret; + __u16 val; + __u8 buf[24], offs; + + ret = wiimote_cmd_acquire(wdata); + if (ret) + return ret; + + ret = wiimote_cmd_read(wdata, 0xa40024, buf, 12); + if (ret != 12) { + wiimote_cmd_release(wdata); + return ret < 0 ? ret : -EIO; + } + ret = wiimote_cmd_read(wdata, 0xa40024 + 12, buf + 12, 12); + if (ret != 12) { + wiimote_cmd_release(wdata); + return ret < 0 ? ret : -EIO; + } + + wiimote_cmd_release(wdata); + + spin_lock_irq(&wdata->state.lock); + offs = 0; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 4; ++j) { + wdata->state.calib_bboard[j][i] = buf[offs]; + wdata->state.calib_bboard[j][i] <<= 8; + wdata->state.calib_bboard[j][i] |= buf[offs + 1]; + offs += 2; + } + } + spin_unlock_irq(&wdata->state.lock); + + ret = 0; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 4; ++j) { + val = wdata->state.calib_bboard[j][i]; + if (i == 2 && j == 3) + ret += sprintf(&out[ret], "%04x\n", val); + else + ret += sprintf(&out[ret], "%04x:", val); + } + } + + return ret; +} + +static DEVICE_ATTR(bboard_calib, S_IRUGO, wiimod_bboard_calib_show, NULL); + +static int wiimod_bboard_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret, i, j; + __u8 buf[24], offs; + + wiimote_cmd_acquire_noint(wdata); + + ret = wiimote_cmd_read(wdata, 0xa40024, buf, 12); + if (ret != 12) { + wiimote_cmd_release(wdata); + return ret < 0 ? ret : -EIO; + } + ret = wiimote_cmd_read(wdata, 0xa40024 + 12, buf + 12, 12); + if (ret != 12) { + wiimote_cmd_release(wdata); + return ret < 0 ? ret : -EIO; + } + + wiimote_cmd_release(wdata); + + offs = 0; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 4; ++j) { + wdata->state.calib_bboard[j][i] = buf[offs]; + wdata->state.calib_bboard[j][i] <<= 8; + wdata->state.calib_bboard[j][i] |= buf[offs + 1]; + offs += 2; + } + } + + wdata->extension.input = input_allocate_device(); + if (!wdata->extension.input) + return -ENOMEM; + + ret = device_create_file(&wdata->hdev->dev, + &dev_attr_bboard_calib); + if (ret) { + hid_err(wdata->hdev, "cannot create sysfs attribute\n"); + goto err_free; + } + + input_set_drvdata(wdata->extension.input, wdata); + wdata->extension.input->open = wiimod_bboard_open; + wdata->extension.input->close = wiimod_bboard_close; + wdata->extension.input->dev.parent = &wdata->hdev->dev; + wdata->extension.input->id.bustype = wdata->hdev->bus; + wdata->extension.input->id.vendor = wdata->hdev->vendor; + wdata->extension.input->id.product = wdata->hdev->product; + wdata->extension.input->id.version = wdata->hdev->version; + wdata->extension.input->name = WIIMOTE_NAME " Balance Board"; + + set_bit(EV_KEY, wdata->extension.input->evbit); + set_bit(BTN_A, wdata->extension.input->keybit); + + set_bit(EV_ABS, wdata->extension.input->evbit); + set_bit(ABS_HAT0X, wdata->extension.input->absbit); + set_bit(ABS_HAT0Y, wdata->extension.input->absbit); + set_bit(ABS_HAT1X, wdata->extension.input->absbit); + set_bit(ABS_HAT1Y, wdata->extension.input->absbit); + input_set_abs_params(wdata->extension.input, + ABS_HAT0X, 0, 65535, 2, 4); + input_set_abs_params(wdata->extension.input, + ABS_HAT0Y, 0, 65535, 2, 4); + input_set_abs_params(wdata->extension.input, + ABS_HAT1X, 0, 65535, 2, 4); + input_set_abs_params(wdata->extension.input, + ABS_HAT1Y, 0, 65535, 2, 4); + + ret = input_register_device(wdata->extension.input); + if (ret) + goto err_file; + + return 0; + +err_file: + device_remove_file(&wdata->hdev->dev, + &dev_attr_bboard_calib); +err_free: + input_free_device(wdata->extension.input); + wdata->extension.input = NULL; + return ret; +} + +static void wiimod_bboard_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->extension.input) + return; + + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; + device_remove_file(&wdata->hdev->dev, + &dev_attr_bboard_calib); +} + +static const struct wiimod_ops wiimod_bboard = { + .flags = WIIMOD_FLAG_EXT8, + .arg = 0, + .probe = wiimod_bboard_probe, + .remove = wiimod_bboard_remove, + .in_keys = wiimod_bboard_in_keys, + .in_ext = wiimod_bboard_in_ext, +}; + +/* + * Pro Controller + * Released with the Wii U was the Nintendo Wii U Pro Controller. It does not + * work together with the classic Wii, but only with the new Wii U. However, it + * uses the same protocol and provides a builtin "classic controller pro" + * extension, few standard buttons, a rumble motor, 4 LEDs and a battery. + * We provide all these via a standard extension device as the device doesn't + * feature an extension port. + */ + +enum wiimod_pro_keys { + WIIMOD_PRO_KEY_A, + WIIMOD_PRO_KEY_B, + WIIMOD_PRO_KEY_X, + WIIMOD_PRO_KEY_Y, + WIIMOD_PRO_KEY_PLUS, + WIIMOD_PRO_KEY_MINUS, + WIIMOD_PRO_KEY_HOME, + WIIMOD_PRO_KEY_LEFT, + WIIMOD_PRO_KEY_RIGHT, + WIIMOD_PRO_KEY_UP, + WIIMOD_PRO_KEY_DOWN, + WIIMOD_PRO_KEY_TL, + WIIMOD_PRO_KEY_TR, + WIIMOD_PRO_KEY_ZL, + WIIMOD_PRO_KEY_ZR, + WIIMOD_PRO_KEY_THUMBL, + WIIMOD_PRO_KEY_THUMBR, + WIIMOD_PRO_KEY_NUM, +}; + +static const __u16 wiimod_pro_map[] = { + BTN_EAST, /* WIIMOD_PRO_KEY_A */ + BTN_SOUTH, /* WIIMOD_PRO_KEY_B */ + BTN_NORTH, /* WIIMOD_PRO_KEY_X */ + BTN_WEST, /* WIIMOD_PRO_KEY_Y */ + BTN_START, /* WIIMOD_PRO_KEY_PLUS */ + BTN_SELECT, /* WIIMOD_PRO_KEY_MINUS */ + BTN_MODE, /* WIIMOD_PRO_KEY_HOME */ + BTN_DPAD_LEFT, /* WIIMOD_PRO_KEY_LEFT */ + BTN_DPAD_RIGHT, /* WIIMOD_PRO_KEY_RIGHT */ + BTN_DPAD_UP, /* WIIMOD_PRO_KEY_UP */ + BTN_DPAD_DOWN, /* WIIMOD_PRO_KEY_DOWN */ + BTN_TL, /* WIIMOD_PRO_KEY_TL */ + BTN_TR, /* WIIMOD_PRO_KEY_TR */ + BTN_TL2, /* WIIMOD_PRO_KEY_ZL */ + BTN_TR2, /* WIIMOD_PRO_KEY_ZR */ + BTN_THUMBL, /* WIIMOD_PRO_KEY_THUMBL */ + BTN_THUMBR, /* WIIMOD_PRO_KEY_THUMBR */ +}; + +static void wiimod_pro_in_ext(struct wiimote_data *wdata, const __u8 *ext) +{ + __s16 rx, ry, lx, ly; + + /* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 1 | LX <7:0> | + * -----+-----------------------+-----------------------+ + * 2 | 0 0 0 0 | LX <11:8> | + * -----+-----------------------+-----------------------+ + * 3 | RX <7:0> | + * -----+-----------------------+-----------------------+ + * 4 | 0 0 0 0 | RX <11:8> | + * -----+-----------------------+-----------------------+ + * 5 | LY <7:0> | + * -----+-----------------------+-----------------------+ + * 6 | 0 0 0 0 | LY <11:8> | + * -----+-----------------------+-----------------------+ + * 7 | RY <7:0> | + * -----+-----------------------+-----------------------+ + * 8 | 0 0 0 0 | RY <11:8> | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 9 | BDR | BDD | BLT | B- | BH | B+ | BRT | 1 | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 10 | BZL | BB | BY | BA | BX | BZR | BDL | BDU | + * -----+-----+-----+-----+-----+-----+-----+-----+-----+ + * 11 | 1 | BATTERY | USB |CHARG|LTHUM|RTHUM| + * -----+-----+-----------------+-----------+-----+-----+ + * All buttons are low-active (0 if pressed) + * RX and RY are right analog stick + * LX and LY are left analog stick + * BLT is left trigger, BRT is right trigger. + * BDR, BDD, BDL, BDU form the D-Pad with right, down, left, up buttons + * BZL is left Z button and BZR is right Z button + * B-, BH, B+ are +, HOME and - buttons + * BB, BY, BA, BX are A, B, X, Y buttons + * + * Bits marked as 0/1 are unknown and never changed during tests. + * + * Not entirely verified: + * CHARG: 1 if uncharging, 0 if charging + * USB: 1 if not connected, 0 if connected + * BATTERY: battery capacity from 000 (empty) to 100 (full) + */ + + lx = (ext[0] & 0xff) | ((ext[1] & 0x0f) << 8); + rx = (ext[2] & 0xff) | ((ext[3] & 0x0f) << 8); + ly = (ext[4] & 0xff) | ((ext[5] & 0x0f) << 8); + ry = (ext[6] & 0xff) | ((ext[7] & 0x0f) << 8); + + /* zero-point offsets */ + lx -= 0x800; + ly = 0x800 - ly; + rx -= 0x800; + ry = 0x800 - ry; + + /* Trivial automatic calibration. We don't know any calibration data + * in the EEPROM so we must use the first report to calibrate the + * null-position of the analog sticks. Users can retrigger calibration + * via sysfs, or set it explicitly. If data is off more than abs(500), + * we skip calibration as the sticks are likely to be moved already. */ + if (!(wdata->state.flags & WIIPROTO_FLAG_PRO_CALIB_DONE)) { + wdata->state.flags |= WIIPROTO_FLAG_PRO_CALIB_DONE; + if (abs(lx) < 500) + wdata->state.calib_pro_sticks[0] = -lx; + if (abs(ly) < 500) + wdata->state.calib_pro_sticks[1] = -ly; + if (abs(rx) < 500) + wdata->state.calib_pro_sticks[2] = -rx; + if (abs(ry) < 500) + wdata->state.calib_pro_sticks[3] = -ry; + } + + /* apply calibration data */ + lx += wdata->state.calib_pro_sticks[0]; + ly += wdata->state.calib_pro_sticks[1]; + rx += wdata->state.calib_pro_sticks[2]; + ry += wdata->state.calib_pro_sticks[3]; + + input_report_abs(wdata->extension.input, ABS_X, lx); + input_report_abs(wdata->extension.input, ABS_Y, ly); + input_report_abs(wdata->extension.input, ABS_RX, rx); + input_report_abs(wdata->extension.input, ABS_RY, ry); + + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_RIGHT], + !(ext[8] & 0x80)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_DOWN], + !(ext[8] & 0x40)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_TL], + !(ext[8] & 0x20)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_MINUS], + !(ext[8] & 0x10)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_HOME], + !(ext[8] & 0x08)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_PLUS], + !(ext[8] & 0x04)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_TR], + !(ext[8] & 0x02)); + + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_ZL], + !(ext[9] & 0x80)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_B], + !(ext[9] & 0x40)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_Y], + !(ext[9] & 0x20)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_A], + !(ext[9] & 0x10)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_X], + !(ext[9] & 0x08)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_ZR], + !(ext[9] & 0x04)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_LEFT], + !(ext[9] & 0x02)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_UP], + !(ext[9] & 0x01)); + + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_THUMBL], + !(ext[10] & 0x02)); + input_report_key(wdata->extension.input, + wiimod_pro_map[WIIMOD_PRO_KEY_THUMBR], + !(ext[10] & 0x01)); + + input_sync(wdata->extension.input); +} + +static int wiimod_pro_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_pro_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static int wiimod_pro_play(struct input_dev *dev, void *data, + struct ff_effect *eff) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + __u8 value; + + /* + * The wiimote supports only a single rumble motor so if any magnitude + * is set to non-zero then we start the rumble motor. If both are set to + * zero, we stop the rumble motor. + */ + + if (eff->u.rumble.strong_magnitude || eff->u.rumble.weak_magnitude) + value = 1; + else + value = 0; + + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); + + return 0; +} + +static ssize_t wiimod_pro_calib_show(struct device *dev, + struct device_attribute *attr, + char *out) +{ + struct wiimote_data *wdata = dev_to_wii(dev); + int r; + + r = 0; + r += sprintf(&out[r], "%+06hd:", wdata->state.calib_pro_sticks[0]); + r += sprintf(&out[r], "%+06hd ", wdata->state.calib_pro_sticks[1]); + r += sprintf(&out[r], "%+06hd:", wdata->state.calib_pro_sticks[2]); + r += sprintf(&out[r], "%+06hd\n", wdata->state.calib_pro_sticks[3]); + + return r; +} + +static ssize_t wiimod_pro_calib_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct wiimote_data *wdata = dev_to_wii(dev); + int r; + s16 x1, y1, x2, y2; + + if (!strncmp(buf, "scan\n", 5)) { + spin_lock_irq(&wdata->state.lock); + wdata->state.flags &= ~WIIPROTO_FLAG_PRO_CALIB_DONE; + spin_unlock_irq(&wdata->state.lock); + } else { + r = sscanf(buf, "%hd:%hd %hd:%hd", &x1, &y1, &x2, &y2); + if (r != 4) + return -EINVAL; + + spin_lock_irq(&wdata->state.lock); + wdata->state.flags |= WIIPROTO_FLAG_PRO_CALIB_DONE; + spin_unlock_irq(&wdata->state.lock); + + wdata->state.calib_pro_sticks[0] = x1; + wdata->state.calib_pro_sticks[1] = y1; + wdata->state.calib_pro_sticks[2] = x2; + wdata->state.calib_pro_sticks[3] = y2; + } + + return strnlen(buf, PAGE_SIZE); +} + +static DEVICE_ATTR(pro_calib, S_IRUGO|S_IWUSR|S_IWGRP, wiimod_pro_calib_show, + wiimod_pro_calib_store); + +static int wiimod_pro_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret, i; + unsigned long flags; + + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + wdata->state.calib_pro_sticks[0] = 0; + wdata->state.calib_pro_sticks[1] = 0; + wdata->state.calib_pro_sticks[2] = 0; + wdata->state.calib_pro_sticks[3] = 0; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAG_PRO_CALIB_DONE; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + wdata->extension.input = input_allocate_device(); + if (!wdata->extension.input) + return -ENOMEM; + + set_bit(FF_RUMBLE, wdata->extension.input->ffbit); + input_set_drvdata(wdata->extension.input, wdata); + + if (input_ff_create_memless(wdata->extension.input, NULL, + wiimod_pro_play)) { + ret = -ENOMEM; + goto err_free; + } + + ret = device_create_file(&wdata->hdev->dev, + &dev_attr_pro_calib); + if (ret) { + hid_err(wdata->hdev, "cannot create sysfs attribute\n"); + goto err_free; + } + + wdata->extension.input->open = wiimod_pro_open; + wdata->extension.input->close = wiimod_pro_close; + wdata->extension.input->dev.parent = &wdata->hdev->dev; + wdata->extension.input->id.bustype = wdata->hdev->bus; + wdata->extension.input->id.vendor = wdata->hdev->vendor; + wdata->extension.input->id.product = wdata->hdev->product; + wdata->extension.input->id.version = wdata->hdev->version; + wdata->extension.input->name = WIIMOTE_NAME " Pro Controller"; + + set_bit(EV_KEY, wdata->extension.input->evbit); + for (i = 0; i < WIIMOD_PRO_KEY_NUM; ++i) + set_bit(wiimod_pro_map[i], + wdata->extension.input->keybit); + + set_bit(EV_ABS, wdata->extension.input->evbit); + set_bit(ABS_X, wdata->extension.input->absbit); + set_bit(ABS_Y, wdata->extension.input->absbit); + set_bit(ABS_RX, wdata->extension.input->absbit); + set_bit(ABS_RY, wdata->extension.input->absbit); + input_set_abs_params(wdata->extension.input, + ABS_X, -0x400, 0x400, 4, 100); + input_set_abs_params(wdata->extension.input, + ABS_Y, -0x400, 0x400, 4, 100); + input_set_abs_params(wdata->extension.input, + ABS_RX, -0x400, 0x400, 4, 100); + input_set_abs_params(wdata->extension.input, + ABS_RY, -0x400, 0x400, 4, 100); + + ret = input_register_device(wdata->extension.input); + if (ret) + goto err_file; + + return 0; + +err_file: + device_remove_file(&wdata->hdev->dev, + &dev_attr_pro_calib); +err_free: + input_free_device(wdata->extension.input); + wdata->extension.input = NULL; + return ret; +} + +static void wiimod_pro_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned long flags; + + if (!wdata->extension.input) + return; + + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; + cancel_work_sync(&wdata->rumble_worker); + device_remove_file(&wdata->hdev->dev, + &dev_attr_pro_calib); + + spin_lock_irqsave(&wdata->state.lock, flags); + wiiproto_req_rumble(wdata, 0); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static const struct wiimod_ops wiimod_pro = { + .flags = WIIMOD_FLAG_EXT16, + .arg = 0, + .probe = wiimod_pro_probe, + .remove = wiimod_pro_remove, + .in_ext = wiimod_pro_in_ext, +}; + +/* + * Builtin Motion Plus + * This module simply sets the WIIPROTO_FLAG_BUILTIN_MP protocol flag which + * disables polling for Motion-Plus. This should be set only for devices which + * don't allow MP hotplugging. + */ + +static int wiimod_builtin_mp_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_BUILTIN_MP; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_builtin_mp_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_BUILTIN_MP; + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static const struct wiimod_ops wiimod_builtin_mp = { + .flags = 0, + .arg = 0, + .probe = wiimod_builtin_mp_probe, + .remove = wiimod_builtin_mp_remove, +}; + +/* + * No Motion Plus + * This module simply sets the WIIPROTO_FLAG_NO_MP protocol flag which + * disables motion-plus. This is needed for devices that advertise this but we + * don't know how to use it (or whether it is actually present). + */ + +static int wiimod_no_mp_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_NO_MP; + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_no_mp_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_NO_MP; + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static const struct wiimod_ops wiimod_no_mp = { + .flags = 0, + .arg = 0, + .probe = wiimod_no_mp_probe, + .remove = wiimod_no_mp_remove, +}; + +/* + * Motion Plus + * The Motion Plus extension provides rotation sensors (gyro) as a small + * extension device for Wii Remotes. Many devices have them built-in so + * you cannot see them from the outside. + * Motion Plus extensions are special because they are on a separate extension + * port and allow other extensions to be used simultaneously. This is all + * handled by the Wiimote Core so we don't have to deal with it. + */ + +static void wiimod_mp_in_mp(struct wiimote_data *wdata, const __u8 *ext) +{ + __s32 x, y, z; + + /* | 8 7 6 5 4 3 | 2 | 1 | + * -----+------------------------------+-----+-----+ + * 1 | Yaw Speed <7:0> | + * 2 | Roll Speed <7:0> | + * 3 | Pitch Speed <7:0> | + * -----+------------------------------+-----+-----+ + * 4 | Yaw Speed <13:8> | Yaw |Pitch| + * -----+------------------------------+-----+-----+ + * 5 | Roll Speed <13:8> |Roll | Ext | + * -----+------------------------------+-----+-----+ + * 6 | Pitch Speed <13:8> | 1 | 0 | + * -----+------------------------------+-----+-----+ + * The single bits Yaw, Roll, Pitch in the lower right corner specify + * whether the wiimote is rotating fast (0) or slow (1). Speed for slow + * roation is 440 deg/s and for fast rotation 2000 deg/s. To get a + * linear scale we multiply by 2000/440 = ~4.5454 which is 18 for fast + * and 9 for slow. + * If the wiimote is not rotating the sensor reports 2^13 = 8192. + * Ext specifies whether an extension is connected to the motionp. + * which is parsed by wiimote-core. + */ + + x = ext[0]; + y = ext[1]; + z = ext[2]; + + x |= (((__u16)ext[3]) << 6) & 0xff00; + y |= (((__u16)ext[4]) << 6) & 0xff00; + z |= (((__u16)ext[5]) << 6) & 0xff00; + + x -= 8192; + y -= 8192; + z -= 8192; + + if (!(ext[3] & 0x02)) + x *= 18; + else + x *= 9; + if (!(ext[4] & 0x02)) + y *= 18; + else + y *= 9; + if (!(ext[3] & 0x01)) + z *= 18; + else + z *= 9; + + input_report_abs(wdata->mp, ABS_RX, x); + input_report_abs(wdata->mp, ABS_RY, y); + input_report_abs(wdata->mp, ABS_RZ, z); + input_sync(wdata->mp); +} + +static int wiimod_mp_open(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags |= WIIPROTO_FLAG_MP_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + __wiimote_schedule(wdata); + spin_unlock_irqrestore(&wdata->state.lock, flags); + + return 0; +} + +static void wiimod_mp_close(struct input_dev *dev) +{ + struct wiimote_data *wdata = input_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&wdata->state.lock, flags); + wdata->state.flags &= ~WIIPROTO_FLAG_MP_USED; + wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + __wiimote_schedule(wdata); + spin_unlock_irqrestore(&wdata->state.lock, flags); +} + +static int wiimod_mp_probe(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + int ret; + + wdata->mp = input_allocate_device(); + if (!wdata->mp) + return -ENOMEM; + + input_set_drvdata(wdata->mp, wdata); + wdata->mp->open = wiimod_mp_open; + wdata->mp->close = wiimod_mp_close; + wdata->mp->dev.parent = &wdata->hdev->dev; + wdata->mp->id.bustype = wdata->hdev->bus; + wdata->mp->id.vendor = wdata->hdev->vendor; + wdata->mp->id.product = wdata->hdev->product; + wdata->mp->id.version = wdata->hdev->version; + wdata->mp->name = WIIMOTE_NAME " Motion Plus"; + + set_bit(EV_ABS, wdata->mp->evbit); + set_bit(ABS_RX, wdata->mp->absbit); + set_bit(ABS_RY, wdata->mp->absbit); + set_bit(ABS_RZ, wdata->mp->absbit); + input_set_abs_params(wdata->mp, + ABS_RX, -16000, 16000, 4, 8); + input_set_abs_params(wdata->mp, + ABS_RY, -16000, 16000, 4, 8); + input_set_abs_params(wdata->mp, + ABS_RZ, -16000, 16000, 4, 8); + + ret = input_register_device(wdata->mp); + if (ret) + goto err_free; + + return 0; + +err_free: + input_free_device(wdata->mp); + wdata->mp = NULL; + return ret; +} + +static void wiimod_mp_remove(const struct wiimod_ops *ops, + struct wiimote_data *wdata) +{ + if (!wdata->mp) + return; + + input_unregister_device(wdata->mp); + wdata->mp = NULL; +} + +const struct wiimod_ops wiimod_mp = { + .flags = 0, + .arg = 0, + .probe = wiimod_mp_probe, + .remove = wiimod_mp_remove, + .in_mp = wiimod_mp_in_mp, +}; + +/* module table */ + +static const struct wiimod_ops wiimod_dummy; + +const struct wiimod_ops *wiimod_table[WIIMOD_NUM] = { + [WIIMOD_KEYS] = &wiimod_keys, + [WIIMOD_RUMBLE] = &wiimod_rumble, + [WIIMOD_BATTERY] = &wiimod_battery, + [WIIMOD_LED1] = &wiimod_leds[0], + [WIIMOD_LED2] = &wiimod_leds[1], + [WIIMOD_LED3] = &wiimod_leds[2], + [WIIMOD_LED4] = &wiimod_leds[3], + [WIIMOD_ACCEL] = &wiimod_accel, + [WIIMOD_IR] = &wiimod_ir, + [WIIMOD_BUILTIN_MP] = &wiimod_builtin_mp, + [WIIMOD_NO_MP] = &wiimod_no_mp, +}; + +const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = { + [WIIMOTE_EXT_NONE] = &wiimod_dummy, + [WIIMOTE_EXT_UNKNOWN] = &wiimod_dummy, + [WIIMOTE_EXT_NUNCHUK] = &wiimod_nunchuk, + [WIIMOTE_EXT_CLASSIC_CONTROLLER] = &wiimod_classic, + [WIIMOTE_EXT_BALANCE_BOARD] = &wiimod_bboard, + [WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro, +}; diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h new file mode 100644 index 00000000000..10934aa129f --- /dev/null +++ b/drivers/hid/hid-wiimote.h @@ -0,0 +1,375 @@ +#ifndef __HID_WIIMOTE_H +#define __HID_WIIMOTE_H + +/* + * HID driver for Nintendo Wii / Wii U peripherals + * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/power_supply.h> +#include <linux/spinlock.h> +#include <linux/timer.h> + +#define WIIMOTE_NAME "Nintendo Wii Remote" +#define WIIMOTE_BUFSIZE 32 + +#define WIIPROTO_FLAG_LED1 0x01 +#define WIIPROTO_FLAG_LED2 0x02 +#define WIIPROTO_FLAG_LED3 0x04 +#define WIIPROTO_FLAG_LED4 0x08 +#define WIIPROTO_FLAG_RUMBLE 0x10 +#define WIIPROTO_FLAG_ACCEL 0x20 +#define WIIPROTO_FLAG_IR_BASIC 0x40 +#define WIIPROTO_FLAG_IR_EXT 0x80 +#define WIIPROTO_FLAG_IR_FULL 0xc0 /* IR_BASIC | IR_EXT */ +#define WIIPROTO_FLAG_EXT_PLUGGED 0x0100 +#define WIIPROTO_FLAG_EXT_USED 0x0200 +#define WIIPROTO_FLAG_EXT_ACTIVE 0x0400 +#define WIIPROTO_FLAG_MP_PLUGGED 0x0800 +#define WIIPROTO_FLAG_MP_USED 0x1000 +#define WIIPROTO_FLAG_MP_ACTIVE 0x2000 +#define WIIPROTO_FLAG_EXITING 0x4000 +#define WIIPROTO_FLAG_DRM_LOCKED 0x8000 +#define WIIPROTO_FLAG_BUILTIN_MP 0x010000 +#define WIIPROTO_FLAG_NO_MP 0x020000 +#define WIIPROTO_FLAG_PRO_CALIB_DONE 0x040000 + +#define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \ + WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4) +#define WIIPROTO_FLAGS_IR (WIIPROTO_FLAG_IR_BASIC | WIIPROTO_FLAG_IR_EXT | \ + WIIPROTO_FLAG_IR_FULL) + +/* return flag for led \num */ +#define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1)) + +enum wiiproto_keys { + WIIPROTO_KEY_LEFT, + WIIPROTO_KEY_RIGHT, + WIIPROTO_KEY_UP, + WIIPROTO_KEY_DOWN, + WIIPROTO_KEY_PLUS, + WIIPROTO_KEY_MINUS, + WIIPROTO_KEY_ONE, + WIIPROTO_KEY_TWO, + WIIPROTO_KEY_A, + WIIPROTO_KEY_B, + WIIPROTO_KEY_HOME, + WIIPROTO_KEY_COUNT +}; + +enum wiimote_devtype { + WIIMOTE_DEV_PENDING, + WIIMOTE_DEV_UNKNOWN, + WIIMOTE_DEV_GENERIC, + WIIMOTE_DEV_GEN10, + WIIMOTE_DEV_GEN20, + WIIMOTE_DEV_BALANCE_BOARD, + WIIMOTE_DEV_PRO_CONTROLLER, + WIIMOTE_DEV_NUM, +}; + +enum wiimote_exttype { + WIIMOTE_EXT_NONE, + WIIMOTE_EXT_UNKNOWN, + WIIMOTE_EXT_NUNCHUK, + WIIMOTE_EXT_CLASSIC_CONTROLLER, + WIIMOTE_EXT_BALANCE_BOARD, + WIIMOTE_EXT_PRO_CONTROLLER, + WIIMOTE_EXT_NUM, +}; + +enum wiimote_mptype { + WIIMOTE_MP_NONE, + WIIMOTE_MP_UNKNOWN, + WIIMOTE_MP_SINGLE, + WIIMOTE_MP_PASSTHROUGH_NUNCHUK, + WIIMOTE_MP_PASSTHROUGH_CLASSIC, +}; + +struct wiimote_buf { + __u8 data[HID_MAX_BUFFER_SIZE]; + size_t size; +}; + +struct wiimote_queue { + spinlock_t lock; + struct work_struct worker; + __u8 head; + __u8 tail; + struct wiimote_buf outq[WIIMOTE_BUFSIZE]; +}; + +struct wiimote_state { + spinlock_t lock; + __u32 flags; + __u8 accel_split[2]; + __u8 drm; + __u8 devtype; + __u8 exttype; + __u8 mp; + + /* synchronous cmd requests */ + struct mutex sync; + struct completion ready; + int cmd; + __u32 opt; + + /* results of synchronous requests */ + __u8 cmd_battery; + __u8 cmd_err; + __u8 *cmd_read_buf; + __u8 cmd_read_size; + + /* calibration/cache data */ + __u16 calib_bboard[4][3]; + __s16 calib_pro_sticks[4]; + __u8 cache_rumble; +}; + +struct wiimote_data { + struct hid_device *hdev; + struct input_dev *input; + struct work_struct rumble_worker; + struct led_classdev *leds[4]; + struct input_dev *accel; + struct input_dev *ir; + struct power_supply battery; + struct input_dev *mp; + struct timer_list timer; + struct wiimote_debug *debug; + + union { + struct input_dev *input; + } extension; + + struct wiimote_queue queue; + struct wiimote_state state; + struct work_struct init_worker; +}; + +/* wiimote modules */ + +enum wiimod_module { + WIIMOD_KEYS, + WIIMOD_RUMBLE, + WIIMOD_BATTERY, + WIIMOD_LED1, + WIIMOD_LED2, + WIIMOD_LED3, + WIIMOD_LED4, + WIIMOD_ACCEL, + WIIMOD_IR, + WIIMOD_BUILTIN_MP, + WIIMOD_NO_MP, + WIIMOD_NUM, + WIIMOD_NULL = WIIMOD_NUM, +}; + +#define WIIMOD_FLAG_INPUT 0x0001 +#define WIIMOD_FLAG_EXT8 0x0002 +#define WIIMOD_FLAG_EXT16 0x0004 + +struct wiimod_ops { + __u16 flags; + unsigned long arg; + int (*probe) (const struct wiimod_ops *ops, + struct wiimote_data *wdata); + void (*remove) (const struct wiimod_ops *ops, + struct wiimote_data *wdata); + + void (*in_keys) (struct wiimote_data *wdata, const __u8 *keys); + void (*in_accel) (struct wiimote_data *wdata, const __u8 *accel); + void (*in_ir) (struct wiimote_data *wdata, const __u8 *ir, bool packed, + unsigned int id); + void (*in_mp) (struct wiimote_data *wdata, const __u8 *mp); + void (*in_ext) (struct wiimote_data *wdata, const __u8 *ext); +}; + +extern const struct wiimod_ops *wiimod_table[WIIMOD_NUM]; +extern const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM]; +extern const struct wiimod_ops wiimod_mp; + +/* wiimote requests */ + +enum wiiproto_reqs { + WIIPROTO_REQ_NULL = 0x0, + WIIPROTO_REQ_RUMBLE = 0x10, + WIIPROTO_REQ_LED = 0x11, + WIIPROTO_REQ_DRM = 0x12, + WIIPROTO_REQ_IR1 = 0x13, + WIIPROTO_REQ_SREQ = 0x15, + WIIPROTO_REQ_WMEM = 0x16, + WIIPROTO_REQ_RMEM = 0x17, + WIIPROTO_REQ_IR2 = 0x1a, + WIIPROTO_REQ_STATUS = 0x20, + WIIPROTO_REQ_DATA = 0x21, + WIIPROTO_REQ_RETURN = 0x22, + + /* DRM_K: BB*2 */ + WIIPROTO_REQ_DRM_K = 0x30, + + /* DRM_KA: BB*2 AA*3 */ + WIIPROTO_REQ_DRM_KA = 0x31, + + /* DRM_KE: BB*2 EE*8 */ + WIIPROTO_REQ_DRM_KE = 0x32, + + /* DRM_KAI: BB*2 AA*3 II*12 */ + WIIPROTO_REQ_DRM_KAI = 0x33, + + /* DRM_KEE: BB*2 EE*19 */ + WIIPROTO_REQ_DRM_KEE = 0x34, + + /* DRM_KAE: BB*2 AA*3 EE*16 */ + WIIPROTO_REQ_DRM_KAE = 0x35, + + /* DRM_KIE: BB*2 II*10 EE*9 */ + WIIPROTO_REQ_DRM_KIE = 0x36, + + /* DRM_KAIE: BB*2 AA*3 II*10 EE*6 */ + WIIPROTO_REQ_DRM_KAIE = 0x37, + + /* DRM_E: EE*21 */ + WIIPROTO_REQ_DRM_E = 0x3d, + + /* DRM_SKAI1: BB*2 AA*1 II*18 */ + WIIPROTO_REQ_DRM_SKAI1 = 0x3e, + + /* DRM_SKAI2: BB*2 AA*1 II*18 */ + WIIPROTO_REQ_DRM_SKAI2 = 0x3f, + + WIIPROTO_REQ_MAX +}; + +#define dev_to_wii(pdev) hid_get_drvdata(container_of(pdev, struct hid_device, \ + dev)) + +void __wiimote_schedule(struct wiimote_data *wdata); + +extern void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm); +extern void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble); +extern void wiiproto_req_leds(struct wiimote_data *wdata, int leds); +extern void wiiproto_req_status(struct wiimote_data *wdata); +extern void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel); +extern void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags); +extern void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags); +extern int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset, + const __u8 *wmem, __u8 size); +extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset, + __u8 *rmem, __u8 size); + +#define wiiproto_req_rreg(wdata, os, sz) \ + wiiproto_req_rmem((wdata), false, (os), (sz)) +#define wiiproto_req_reeprom(wdata, os, sz) \ + wiiproto_req_rmem((wdata), true, (os), (sz)) +extern void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom, + __u32 offset, __u16 size); + +#ifdef CONFIG_DEBUG_FS + +extern int wiidebug_init(struct wiimote_data *wdata); +extern void wiidebug_deinit(struct wiimote_data *wdata); + +#else + +static inline int wiidebug_init(void *u) { return 0; } +static inline void wiidebug_deinit(void *u) { } + +#endif + +/* requires the state.lock spinlock to be held */ +static inline bool wiimote_cmd_pending(struct wiimote_data *wdata, int cmd, + __u32 opt) +{ + return wdata->state.cmd == cmd && wdata->state.opt == opt; +} + +/* requires the state.lock spinlock to be held */ +static inline void wiimote_cmd_complete(struct wiimote_data *wdata) +{ + wdata->state.cmd = WIIPROTO_REQ_NULL; + complete(&wdata->state.ready); +} + +/* requires the state.lock spinlock to be held */ +static inline void wiimote_cmd_abort(struct wiimote_data *wdata) +{ + /* Abort synchronous request by waking up the sleeping caller. But + * reset the state.cmd field to an invalid value so no further event + * handlers will work with it. */ + wdata->state.cmd = WIIPROTO_REQ_MAX; + complete(&wdata->state.ready); +} + +static inline int wiimote_cmd_acquire(struct wiimote_data *wdata) +{ + return mutex_lock_interruptible(&wdata->state.sync) ? -ERESTARTSYS : 0; +} + +static inline void wiimote_cmd_acquire_noint(struct wiimote_data *wdata) +{ + mutex_lock(&wdata->state.sync); +} + +/* requires the state.lock spinlock to be held */ +static inline void wiimote_cmd_set(struct wiimote_data *wdata, int cmd, + __u32 opt) +{ + reinit_completion(&wdata->state.ready); + wdata->state.cmd = cmd; + wdata->state.opt = opt; +} + +static inline void wiimote_cmd_release(struct wiimote_data *wdata) +{ + mutex_unlock(&wdata->state.sync); +} + +static inline int wiimote_cmd_wait(struct wiimote_data *wdata) +{ + int ret; + + /* The completion acts as implicit memory barrier so we can safely + * assume that state.cmd is set on success/failure and isn't accessed + * by any other thread, anymore. */ + + ret = wait_for_completion_interruptible_timeout(&wdata->state.ready, HZ); + if (ret < 0) + return -ERESTARTSYS; + else if (ret == 0) + return -EIO; + else if (wdata->state.cmd != WIIPROTO_REQ_NULL) + return -EIO; + else + return 0; +} + +static inline int wiimote_cmd_wait_noint(struct wiimote_data *wdata) +{ + unsigned long ret; + + /* no locking needed; see wiimote_cmd_wait() */ + ret = wait_for_completion_timeout(&wdata->state.ready, HZ); + if (!ret) + return -EIO; + else if (wdata->state.cmd != WIIPROTO_REQ_NULL) + return -EIO; + else + return 0; +} + +#endif diff --git a/drivers/hid/hid-xinmo.c b/drivers/hid/hid-xinmo.c new file mode 100644 index 00000000000..7df5227a7e6 --- /dev/null +++ b/drivers/hid/hid-xinmo.c @@ -0,0 +1,61 @@ +/* + * HID driver for Xin-Mo devices, currently only the Dual Arcade controller. + * Fixes the negative axis event values (the devices sends -2) to match the + * logical axis minimum of the HID report descriptor (the report announces + * -1). It is needed because hid-input discards out of bounds values. + * (This module is based on "hid-saitek" and "hid-lg".) + * + * Copyright (c) 2013 Olivier Scherler + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/kernel.h> + +#include "hid-ids.h" + +/* + * Fix negative events that are out of bounds. + */ +static int xinmo_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + switch (usage->code) { + case ABS_X: + case ABS_Y: + case ABS_Z: + case ABS_RX: + if (value < -1) { + input_event(field->hidinput->input, usage->type, + usage->code, -1); + return 1; + } + break; + } + + return 0; +} + +static const struct hid_device_id xinmo_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, xinmo_devices); + +static struct hid_driver xinmo_driver = { + .name = "xinmo", + .id_table = xinmo_devices, + .event = xinmo_event +}; + +module_hid_driver(xinmo_driver); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c index b7acceabba8..a29756c6ca0 100644 --- a/drivers/hid/hid-zpff.c +++ b/drivers/hid/hid-zpff.c @@ -24,12 +24,11 @@ #include <linux/hid.h> #include <linux/input.h> #include <linux/slab.h> -#include <linux/usb.h> +#include <linux/module.h> #include "hid-ids.h" #ifdef CONFIG_ZEROPLUS_FF -#include "usbhid/usbhid.h" struct zpff_device { struct hid_report *report; @@ -58,7 +57,7 @@ static int zpff_play(struct input_dev *dev, void *data, zpff->report->field[2]->value[0] = left; zpff->report->field[3]->value[0] = right; dbg_hid("running with 0x%02x 0x%02x\n", left, right); - usbhid_submit_report(hid, zpff->report, USB_DIR_OUT); + hid_hw_request(hid, zpff->report, HID_REQ_SET_REPORT); return 0; } @@ -69,21 +68,13 @@ static int zpff_init(struct hid_device *hid) struct hid_report *report; struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct list_head *report_list = - &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; - int error; + int i, error; - if (list_empty(report_list)) { - dev_err(&hid->dev, "no output report found\n"); - return -ENODEV; - } - - report = list_entry(report_list->next, struct hid_report, list); - - if (report->maxfield < 4) { - dev_err(&hid->dev, "not enough fields in report\n"); - return -ENODEV; + for (i = 0; i < 4; i++) { + report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, i, 1); + if (!report) + return -ENODEV; } zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL); @@ -103,10 +94,9 @@ static int zpff_init(struct hid_device *hid) zpff->report->field[1]->value[0] = 0x02; zpff->report->field[2]->value[0] = 0x00; zpff->report->field[3]->value[0] = 0x00; - usbhid_submit_report(hid, zpff->report, USB_DIR_OUT); + hid_hw_request(hid, zpff->report, HID_REQ_SET_REPORT); - dev_info(&hid->dev, "force feedback for Zeroplus based devices by " - "Anssi Hannula <anssi.hannula@gmail.com>\n"); + hid_info(hid, "force feedback for Zeroplus based devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); return 0; } @@ -123,13 +113,13 @@ static int zp_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "parse failed\n"); + hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); + hid_err(hdev, "hw start failed\n"); goto err; } @@ -152,17 +142,6 @@ static struct hid_driver zp_driver = { .id_table = zp_devices, .probe = zp_probe, }; +module_hid_driver(zp_driver); -static int __init zp_init(void) -{ - return hid_register_driver(&zp_driver); -} - -static void __exit zp_exit(void) -{ - hid_unregister_driver(&zp_driver); -} - -module_init(zp_init); -module_exit(zp_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c index aac1f927314..1a660bd97ab 100644 --- a/drivers/hid/hid-zydacron.c +++ b/drivers/hid/hid-zydacron.c @@ -34,9 +34,8 @@ static __u8 *zc_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc[0x96] == 0xbc && rdesc[0x97] == 0xff && rdesc[0xca] == 0xbc && rdesc[0xcb] == 0xff && rdesc[0xe1] == 0xbc && rdesc[0xe2] == 0xff) { - dev_info(&hdev->dev, - "fixing up zydacron remote control report " - "descriptor\n"); + hid_info(hdev, + "fixing up zydacron remote control report descriptor\n"); rdesc[0x96] = rdesc[0xca] = rdesc[0xe1] = 0x0c; rdesc[0x97] = rdesc[0xcb] = rdesc[0xe2] = 0x00; } @@ -170,9 +169,9 @@ static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id) int ret; struct zc_device *zc; - zc = kzalloc(sizeof(*zc), GFP_KERNEL); + zc = devm_kzalloc(&hdev->dev, sizeof(*zc), GFP_KERNEL); if (zc == NULL) { - dev_err(&hdev->dev, "zydacron: can't alloc descriptor\n"); + hid_err(hdev, "can't alloc descriptor\n"); return -ENOMEM; } @@ -180,31 +179,17 @@ static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = hid_parse(hdev); if (ret) { - dev_err(&hdev->dev, "zydacron: parse failed\n"); - goto err_free; + hid_err(hdev, "parse failed\n"); + return ret; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { - dev_err(&hdev->dev, "zydacron: hw start failed\n"); - goto err_free; + hid_err(hdev, "hw start failed\n"); + return ret; } return 0; -err_free: - kfree(zc); - - return ret; -} - -static void zc_remove(struct hid_device *hdev) -{ - struct zc_device *zc = hid_get_drvdata(hdev); - - hid_hw_stop(hdev); - - if (NULL != zc) - kfree(zc); } static const struct hid_device_id zc_devices[] = { @@ -220,19 +205,7 @@ static struct hid_driver zc_driver = { .input_mapping = zc_input_mapping, .raw_event = zc_raw_event, .probe = zc_probe, - .remove = zc_remove, }; +module_hid_driver(zc_driver); -static int __init zc_init(void) -{ - return hid_register_driver(&zc_driver); -} - -static void __exit zc_exit(void) -{ - hid_unregister_driver(&zc_driver); -} - -module_init(zc_init); -module_exit(zc_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 8a4b32dca9f..9c2d7c23f29 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -6,7 +6,7 @@ * to work on raw hid events as they want to, and avoids a need to * use a transport-specific userspace libhid/libusb libraries. * - * Copyright (c) 2007 Jiri Kosina + * Copyright (c) 2007-2014 Jiri Kosina */ /* @@ -19,6 +19,8 @@ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/fs.h> #include <linux/module.h> #include <linux/errno.h> @@ -32,7 +34,6 @@ #include <linux/hid.h> #include <linux/mutex.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/hidraw.h> @@ -56,10 +57,6 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, set_current_state(TASK_INTERRUPTIBLE); while (list->head == list->tail) { - if (file->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - break; - } if (signal_pending(current)) { ret = -ERESTARTSYS; break; @@ -68,6 +65,10 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, ret = -EIO; break; } + if (file->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + break; + } /* allow O_NONBLOCK to work well from other threads */ mutex_unlock(&list->read_mutex); @@ -86,13 +87,16 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, len = list->buffer[list->tail].len > count ? count : list->buffer[list->tail].len; - if (copy_to_user(buffer, list->buffer[list->tail].value, len)) { - ret = -EFAULT; - goto out; + if (list->buffer[list->tail].value) { + if (copy_to_user(buffer, list->buffer[list->tail].value, len)) { + ret = -EFAULT; + goto out; + } + ret = len; } - ret += len; kfree(list->buffer[list->tail].value); + list->buffer[list->tail].value = NULL; list->tail = (list->tail + 1) & (HIDRAW_BUFFER_SIZE - 1); } out: @@ -100,24 +104,102 @@ out: return ret; } -/* the first byte is expected to be a report number */ -static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) +/* + * The first byte of the report buffer is expected to be a report number. + * + * This function is to be called with the minors_lock mutex held. + */ +static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, size_t count, unsigned char report_type) { - unsigned int minor = iminor(file->f_path.dentry->d_inode); + unsigned int minor = iminor(file_inode(file)); struct hid_device *dev; __u8 *buf; int ret = 0; - mutex_lock(&minors_lock); - - if (!hidraw_table[minor]) { + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { ret = -ENODEV; goto out; } dev = hidraw_table[minor]->hid; - if (!dev->hid_output_raw_report) { + + if (count > HID_MAX_BUFFER_SIZE) { + hid_warn(dev, "pid %d passed too large report\n", + task_pid_nr(current)); + ret = -EINVAL; + goto out; + } + + if (count < 2) { + hid_warn(dev, "pid %d passed too short report\n", + task_pid_nr(current)); + ret = -EINVAL; + goto out; + } + + buf = kmalloc(count * sizeof(__u8), GFP_KERNEL); + if (!buf) { + ret = -ENOMEM; + goto out; + } + + if (copy_from_user(buf, buffer, count)) { + ret = -EFAULT; + goto out_free; + } + + if ((report_type == HID_OUTPUT_REPORT) && + !(dev->quirks & HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP)) { + ret = hid_hw_output_report(dev, buf, count); + /* + * compatibility with old implementation of USB-HID and I2C-HID: + * if the device does not support receiving output reports, + * on an interrupt endpoint, fallback to SET_REPORT HID command. + */ + if (ret != -ENOSYS) + goto out_free; + } + + ret = hid_hw_raw_request(dev, buf[0], buf, count, report_type, + HID_REQ_SET_REPORT); + +out_free: + kfree(buf); +out: + return ret; +} + +static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) +{ + ssize_t ret; + mutex_lock(&minors_lock); + ret = hidraw_send_report(file, buffer, count, HID_OUTPUT_REPORT); + mutex_unlock(&minors_lock); + return ret; +} + + +/* + * This function performs a Get_Report transfer over the control endpoint + * per section 7.2.1 of the HID specification, version 1.1. The first byte + * of buffer is the report number to request, or 0x0 if the defice does not + * use numbered reports. The report_type parameter can be HID_FEATURE_REPORT + * or HID_INPUT_REPORT. + * + * This function is to be called with the minors_lock mutex held. + */ +static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t count, unsigned char report_type) +{ + unsigned int minor = iminor(file_inode(file)); + struct hid_device *dev; + __u8 *buf; + int ret = 0, len; + unsigned char report_number; + + dev = hidraw_table[minor]->hid; + + if (!dev->ll_driver->raw_request) { ret = -ENODEV; goto out; } @@ -142,16 +224,33 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t goto out; } - if (copy_from_user(buf, buffer, count)) { + /* + * Read the first byte from the user. This is the report number, + * which is passed to hid_hw_raw_request(). + */ + if (copy_from_user(&report_number, buffer, 1)) { ret = -EFAULT; goto out_free; } - ret = dev->hid_output_raw_report(dev, buf, count, HID_OUTPUT_REPORT); + ret = hid_hw_raw_request(dev, report_number, buf, count, report_type, + HID_REQ_GET_REPORT); + + if (ret < 0) + goto out_free; + + len = (ret < count) ? ret : count; + + if (copy_to_user(buffer, buf, len)) { + ret = -EFAULT; + goto out_free; + } + + ret = len; + out_free: kfree(buf); out: - mutex_unlock(&minors_lock); return ret; } @@ -172,6 +271,7 @@ static int hidraw_open(struct inode *inode, struct file *file) unsigned int minor = iminor(inode); struct hidraw *dev; struct hidraw_list *list; + unsigned long flags; int err = 0; if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) { @@ -180,75 +280,97 @@ static int hidraw_open(struct inode *inode, struct file *file) } mutex_lock(&minors_lock); - if (!hidraw_table[minor]) { - kfree(list); + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { err = -ENODEV; goto out_unlock; } - list->hidraw = hidraw_table[minor]; - mutex_init(&list->read_mutex); - list_add_tail(&list->node, &hidraw_table[minor]->list); - file->private_data = list; - dev = hidraw_table[minor]; if (!dev->open++) { - if (dev->hid->ll_driver->power) { - err = dev->hid->ll_driver->power(dev->hid, PM_HINT_FULLON); - if (err < 0) - goto out_unlock; + err = hid_hw_power(dev->hid, PM_HINT_FULLON); + if (err < 0) { + dev->open--; + goto out_unlock; } - err = dev->hid->ll_driver->open(dev->hid); + + err = hid_hw_open(dev->hid); if (err < 0) { - if (dev->hid->ll_driver->power) - dev->hid->ll_driver->power(dev->hid, PM_HINT_NORMAL); + hid_hw_power(dev->hid, PM_HINT_NORMAL); dev->open--; + goto out_unlock; } } + list->hidraw = hidraw_table[minor]; + mutex_init(&list->read_mutex); + spin_lock_irqsave(&hidraw_table[minor]->list_lock, flags); + list_add_tail(&list->node, &hidraw_table[minor]->list); + spin_unlock_irqrestore(&hidraw_table[minor]->list_lock, flags); + file->private_data = list; out_unlock: mutex_unlock(&minors_lock); out: + if (err < 0) + kfree(list); return err; } +static int hidraw_fasync(int fd, struct file *file, int on) +{ + struct hidraw_list *list = file->private_data; + + return fasync_helper(fd, file, on, &list->fasync); +} + +static void drop_ref(struct hidraw *hidraw, int exists_bit) +{ + if (exists_bit) { + hidraw->exist = 0; + if (hidraw->open) { + hid_hw_close(hidraw->hid); + wake_up_interruptible(&hidraw->wait); + } + device_destroy(hidraw_class, + MKDEV(hidraw_major, hidraw->minor)); + } else { + --hidraw->open; + } + if (!hidraw->open) { + if (!hidraw->exist) { + hidraw_table[hidraw->minor] = NULL; + kfree(hidraw); + } else { + /* close device for last reader */ + hid_hw_power(hidraw->hid, PM_HINT_NORMAL); + hid_hw_close(hidraw->hid); + } + } +} + static int hidraw_release(struct inode * inode, struct file * file) { unsigned int minor = iminor(inode); - struct hidraw *dev; struct hidraw_list *list = file->private_data; - int ret; + unsigned long flags; mutex_lock(&minors_lock); - if (!hidraw_table[minor]) { - ret = -ENODEV; - goto unlock; - } + spin_lock_irqsave(&hidraw_table[minor]->list_lock, flags); list_del(&list->node); - dev = hidraw_table[minor]; - if (!--dev->open) { - if (list->hidraw->exist) { - if (dev->hid->ll_driver->power) - dev->hid->ll_driver->power(dev->hid, PM_HINT_NORMAL); - dev->hid->ll_driver->close(dev->hid); - } else { - kfree(list->hidraw); - } - } + spin_unlock_irqrestore(&hidraw_table[minor]->list_lock, flags); kfree(list); - ret = 0; -unlock: - mutex_unlock(&minors_lock); - return ret; + drop_ref(hidraw_table[minor], 0); + + mutex_unlock(&minors_lock); + return 0; } static long hidraw_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); unsigned int minor = iminor(inode); long ret = 0; struct hidraw *dev; @@ -297,18 +419,30 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, default: { struct hid_device *hid = dev->hid; - if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) { + if (_IOC_TYPE(cmd) != 'H') { + ret = -EINVAL; + break; + } + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCSFEATURE(0))) { + int len = _IOC_SIZE(cmd); + ret = hidraw_send_report(file, user_arg, len, HID_FEATURE_REPORT); + break; + } + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGFEATURE(0))) { + int len = _IOC_SIZE(cmd); + ret = hidraw_get_report(file, user_arg, len, HID_FEATURE_REPORT); + break; + } + + /* Begin Read-only ioctls. */ + if (_IOC_DIR(cmd) != _IOC_READ) { ret = -EINVAL; break; } if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) { - int len; - if (!hid->name) { - ret = 0; - break; - } - len = strlen(hid->name) + 1; + int len = strlen(hid->name) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); ret = copy_to_user(user_arg, hid->name, len) ? @@ -317,19 +451,14 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, } if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) { - int len; - if (!hid->phys) { - ret = 0; - break; - } - len = strlen(hid->phys) + 1; + int len = strlen(hid->phys) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); ret = copy_to_user(user_arg, hid->phys, len) ? -EFAULT : len; break; } - } + } ret = -ENOTTY; } @@ -346,22 +475,39 @@ static const struct file_operations hidraw_ops = { .open = hidraw_open, .release = hidraw_release, .unlocked_ioctl = hidraw_ioctl, + .fasync = hidraw_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = hidraw_ioctl, +#endif .llseek = noop_llseek, }; -void hidraw_report_event(struct hid_device *hid, u8 *data, int len) +int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { struct hidraw *dev = hid->hidraw; struct hidraw_list *list; + int ret = 0; + unsigned long flags; + spin_lock_irqsave(&dev->list_lock, flags); list_for_each_entry(list, &dev->list, node) { - list->buffer[list->head].value = kmemdup(data, len, GFP_ATOMIC); + int new_head = (list->head + 1) & (HIDRAW_BUFFER_SIZE - 1); + + if (new_head == list->tail) + continue; + + if (!(list->buffer[list->head].value = kmemdup(data, len, GFP_ATOMIC))) { + ret = -ENOMEM; + break; + } list->buffer[list->head].len = len; - list->head = (list->head + 1) & (HIDRAW_BUFFER_SIZE - 1); + list->head = new_head; kill_fasync(&list->fasync, SIGIO, POLL_IN); } + spin_unlock_irqrestore(&dev->list_lock, flags); wake_up_interruptible(&dev->wait); + return ret; } EXPORT_SYMBOL_GPL(hidraw_report_event); @@ -370,7 +516,7 @@ int hidraw_connect(struct hid_device *hid) int minor, result; struct hidraw *dev; - /* we accept any HID device, no matter the applications */ + /* we accept any HID device, all applications */ dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL); if (!dev) @@ -405,8 +551,8 @@ int hidraw_connect(struct hid_device *hid) goto out; } - mutex_unlock(&minors_lock); init_waitqueue_head(&dev->wait); + spin_lock_init(&dev->list_lock); INIT_LIST_HEAD(&dev->list); dev->hid = hid; @@ -415,6 +561,7 @@ int hidraw_connect(struct hid_device *hid) dev->exist = 1; hid->hidraw = dev; + mutex_unlock(&minors_lock); out: return result; @@ -425,20 +572,11 @@ void hidraw_disconnect(struct hid_device *hid) { struct hidraw *hidraw = hid->hidraw; - hidraw->exist = 0; - mutex_lock(&minors_lock); - hidraw_table[hidraw->minor] = NULL; - mutex_unlock(&minors_lock); - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); + drop_ref(hidraw, 1); - if (hidraw->open) { - hid->ll_driver->close(hid); - wake_up_interruptible(&hidraw->wait); - } else { - kfree(hidraw); - } + mutex_unlock(&minors_lock); } EXPORT_SYMBOL_GPL(hidraw_disconnect); @@ -453,22 +591,30 @@ int __init hidraw_init(void) hidraw_major = MAJOR(dev_id); if (result < 0) { - printk(KERN_WARNING "hidraw: can't get major number\n"); - result = 0; + pr_warn("can't get major number\n"); goto out; } hidraw_class = class_create(THIS_MODULE, "hidraw"); if (IS_ERR(hidraw_class)) { result = PTR_ERR(hidraw_class); - unregister_chrdev(hidraw_major, "hidraw"); - goto out; + goto error_cdev; } cdev_init(&hidraw_cdev, &hidraw_ops); - cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES); + result = cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES); + if (result < 0) + goto error_class; + + printk(KERN_INFO "hidraw: raw HID events driver (C) Jiri Kosina\n"); out: return result; + +error_class: + class_destroy(hidraw_class); +error_cdev: + unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); + goto out; } void hidraw_exit(void) diff --git a/drivers/hid/i2c-hid/Kconfig b/drivers/hid/i2c-hid/Kconfig new file mode 100644 index 00000000000..b66617a020b --- /dev/null +++ b/drivers/hid/i2c-hid/Kconfig @@ -0,0 +1,18 @@ +menu "I2C HID support" + depends on I2C + +config I2C_HID + tristate "HID over I2C transport layer" + default n + depends on I2C && INPUT + select HID + ---help--- + Say Y here if you use a keyboard, a touchpad, a touchscreen, or any + other HID based devices which is connected to your computer via I2C. + + If unsure, say N. + + This support is also available as a module. If so, the module + will be called i2c-hid. + +endmenu diff --git a/drivers/hid/i2c-hid/Makefile b/drivers/hid/i2c-hid/Makefile new file mode 100644 index 00000000000..832d8f9aaba --- /dev/null +++ b/drivers/hid/i2c-hid/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the I2C input drivers +# + +obj-$(CONFIG_I2C_HID) += i2c-hid.o diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c new file mode 100644 index 00000000000..21aafc8f48c --- /dev/null +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -0,0 +1,1137 @@ +/* + * HID over I2C protocol implementation + * + * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France + * Copyright (c) 2012 Red Hat, Inc + * + * This code is partly based on "USB HID support for Linux": + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2007-2008 Oliver Neukum + * Copyright (c) 2006-2010 Jiri Kosina + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> +#include <linux/device.h> +#include <linux/wait.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/list.h> +#include <linux/jiffies.h> +#include <linux/kernel.h> +#include <linux/hid.h> +#include <linux/mutex.h> +#include <linux/acpi.h> +#include <linux/of.h> + +#include <linux/i2c/i2c-hid.h> + +/* flags */ +#define I2C_HID_STARTED (1 << 0) +#define I2C_HID_RESET_PENDING (1 << 1) +#define I2C_HID_READ_PENDING (1 << 2) + +#define I2C_HID_PWR_ON 0x00 +#define I2C_HID_PWR_SLEEP 0x01 + +/* debug option */ +static bool debug; +module_param(debug, bool, 0444); +MODULE_PARM_DESC(debug, "print a lot of debug information"); + +#define i2c_hid_dbg(ihid, fmt, arg...) \ +do { \ + if (debug) \ + dev_printk(KERN_DEBUG, &(ihid)->client->dev, fmt, ##arg); \ +} while (0) + +struct i2c_hid_desc { + __le16 wHIDDescLength; + __le16 bcdVersion; + __le16 wReportDescLength; + __le16 wReportDescRegister; + __le16 wInputRegister; + __le16 wMaxInputLength; + __le16 wOutputRegister; + __le16 wMaxOutputLength; + __le16 wCommandRegister; + __le16 wDataRegister; + __le16 wVendorID; + __le16 wProductID; + __le16 wVersionID; + __le32 reserved; +} __packed; + +struct i2c_hid_cmd { + unsigned int registerIndex; + __u8 opcode; + unsigned int length; + bool wait; +}; + +union command { + u8 data[0]; + struct cmd { + __le16 reg; + __u8 reportTypeID; + __u8 opcode; + } __packed c; +}; + +#define I2C_HID_CMD(opcode_) \ + .opcode = opcode_, .length = 4, \ + .registerIndex = offsetof(struct i2c_hid_desc, wCommandRegister) + +/* fetch HID descriptor */ +static const struct i2c_hid_cmd hid_descr_cmd = { .length = 2 }; +/* fetch report descriptors */ +static const struct i2c_hid_cmd hid_report_descr_cmd = { + .registerIndex = offsetof(struct i2c_hid_desc, + wReportDescRegister), + .opcode = 0x00, + .length = 2 }; +/* commands */ +static const struct i2c_hid_cmd hid_reset_cmd = { I2C_HID_CMD(0x01), + .wait = true }; +static const struct i2c_hid_cmd hid_get_report_cmd = { I2C_HID_CMD(0x02) }; +static const struct i2c_hid_cmd hid_set_report_cmd = { I2C_HID_CMD(0x03) }; +static const struct i2c_hid_cmd hid_set_power_cmd = { I2C_HID_CMD(0x08) }; +static const struct i2c_hid_cmd hid_no_cmd = { .length = 0 }; + +/* + * These definitions are not used here, but are defined by the spec. + * Keeping them here for documentation purposes. + * + * static const struct i2c_hid_cmd hid_get_idle_cmd = { I2C_HID_CMD(0x04) }; + * static const struct i2c_hid_cmd hid_set_idle_cmd = { I2C_HID_CMD(0x05) }; + * static const struct i2c_hid_cmd hid_get_protocol_cmd = { I2C_HID_CMD(0x06) }; + * static const struct i2c_hid_cmd hid_set_protocol_cmd = { I2C_HID_CMD(0x07) }; + */ + +static DEFINE_MUTEX(i2c_hid_open_mut); + +/* The main device structure */ +struct i2c_hid { + struct i2c_client *client; /* i2c client */ + struct hid_device *hid; /* pointer to corresponding HID dev */ + union { + __u8 hdesc_buffer[sizeof(struct i2c_hid_desc)]; + struct i2c_hid_desc hdesc; /* the HID Descriptor */ + }; + __le16 wHIDDescRegister; /* location of the i2c + * register of the HID + * descriptor. */ + unsigned int bufsize; /* i2c buffer size */ + char *inbuf; /* Input buffer */ + char *cmdbuf; /* Command buffer */ + char *argsbuf; /* Command arguments buffer */ + + unsigned long flags; /* device flags */ + + wait_queue_head_t wait; /* For waiting the interrupt */ + + struct i2c_hid_platform_data pdata; +}; + +static int __i2c_hid_command(struct i2c_client *client, + const struct i2c_hid_cmd *command, u8 reportID, + u8 reportType, u8 *args, int args_len, + unsigned char *buf_recv, int data_len) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + union command *cmd = (union command *)ihid->cmdbuf; + int ret; + struct i2c_msg msg[2]; + int msg_num = 1; + + int length = command->length; + bool wait = command->wait; + unsigned int registerIndex = command->registerIndex; + + /* special case for hid_descr_cmd */ + if (command == &hid_descr_cmd) { + cmd->c.reg = ihid->wHIDDescRegister; + } else { + cmd->data[0] = ihid->hdesc_buffer[registerIndex]; + cmd->data[1] = ihid->hdesc_buffer[registerIndex + 1]; + } + + if (length > 2) { + cmd->c.opcode = command->opcode; + cmd->c.reportTypeID = reportID | reportType << 4; + } + + memcpy(cmd->data + length, args, args_len); + length += args_len; + + i2c_hid_dbg(ihid, "%s: cmd=%*ph\n", __func__, length, cmd->data); + + msg[0].addr = client->addr; + msg[0].flags = client->flags & I2C_M_TEN; + msg[0].len = length; + msg[0].buf = cmd->data; + if (data_len > 0) { + msg[1].addr = client->addr; + msg[1].flags = client->flags & I2C_M_TEN; + msg[1].flags |= I2C_M_RD; + msg[1].len = data_len; + msg[1].buf = buf_recv; + msg_num = 2; + set_bit(I2C_HID_READ_PENDING, &ihid->flags); + } + + if (wait) + set_bit(I2C_HID_RESET_PENDING, &ihid->flags); + + ret = i2c_transfer(client->adapter, msg, msg_num); + + if (data_len > 0) + clear_bit(I2C_HID_READ_PENDING, &ihid->flags); + + if (ret != msg_num) + return ret < 0 ? ret : -EIO; + + ret = 0; + + if (wait) { + i2c_hid_dbg(ihid, "%s: waiting...\n", __func__); + if (!wait_event_timeout(ihid->wait, + !test_bit(I2C_HID_RESET_PENDING, &ihid->flags), + msecs_to_jiffies(5000))) + ret = -ENODATA; + i2c_hid_dbg(ihid, "%s: finished.\n", __func__); + } + + return ret; +} + +static int i2c_hid_command(struct i2c_client *client, + const struct i2c_hid_cmd *command, + unsigned char *buf_recv, int data_len) +{ + return __i2c_hid_command(client, command, 0, 0, NULL, 0, + buf_recv, data_len); +} + +static int i2c_hid_get_report(struct i2c_client *client, u8 reportType, + u8 reportID, unsigned char *buf_recv, int data_len) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + u8 args[3]; + int ret; + int args_len = 0; + u16 readRegister = le16_to_cpu(ihid->hdesc.wDataRegister); + + i2c_hid_dbg(ihid, "%s\n", __func__); + + if (reportID >= 0x0F) { + args[args_len++] = reportID; + reportID = 0x0F; + } + + args[args_len++] = readRegister & 0xFF; + args[args_len++] = readRegister >> 8; + + ret = __i2c_hid_command(client, &hid_get_report_cmd, reportID, + reportType, args, args_len, buf_recv, data_len); + if (ret) { + dev_err(&client->dev, + "failed to retrieve report from device.\n"); + return ret; + } + + return 0; +} + +/** + * i2c_hid_set_or_send_report: forward an incoming report to the device + * @client: the i2c_client of the device + * @reportType: 0x03 for HID_FEATURE_REPORT ; 0x02 for HID_OUTPUT_REPORT + * @reportID: the report ID + * @buf: the actual data to transfer, without the report ID + * @len: size of buf + * @use_data: true: use SET_REPORT HID command, false: send plain OUTPUT report + */ +static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType, + u8 reportID, unsigned char *buf, size_t data_len, bool use_data) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + u8 *args = ihid->argsbuf; + const struct i2c_hid_cmd *hidcmd; + int ret; + u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister); + u16 outputRegister = le16_to_cpu(ihid->hdesc.wOutputRegister); + u16 maxOutputLength = le16_to_cpu(ihid->hdesc.wMaxOutputLength); + + /* hid_hw_* already checked that data_len < HID_MAX_BUFFER_SIZE */ + u16 size = 2 /* size */ + + (reportID ? 1 : 0) /* reportID */ + + data_len /* buf */; + int args_len = (reportID >= 0x0F ? 1 : 0) /* optional third byte */ + + 2 /* dataRegister */ + + size /* args */; + int index = 0; + + i2c_hid_dbg(ihid, "%s\n", __func__); + + if (!use_data && maxOutputLength == 0) + return -ENOSYS; + + if (reportID >= 0x0F) { + args[index++] = reportID; + reportID = 0x0F; + } + + /* + * use the data register for feature reports or if the device does not + * support the output register + */ + if (use_data) { + args[index++] = dataRegister & 0xFF; + args[index++] = dataRegister >> 8; + hidcmd = &hid_set_report_cmd; + } else { + args[index++] = outputRegister & 0xFF; + args[index++] = outputRegister >> 8; + hidcmd = &hid_no_cmd; + } + + args[index++] = size & 0xFF; + args[index++] = size >> 8; + + if (reportID) + args[index++] = reportID; + + memcpy(&args[index], buf, data_len); + + ret = __i2c_hid_command(client, hidcmd, reportID, + reportType, args, args_len, NULL, 0); + if (ret) { + dev_err(&client->dev, "failed to set a report to device.\n"); + return ret; + } + + return data_len; +} + +static int i2c_hid_set_power(struct i2c_client *client, int power_state) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + int ret; + + i2c_hid_dbg(ihid, "%s\n", __func__); + + ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state, + 0, NULL, 0, NULL, 0); + if (ret) + dev_err(&client->dev, "failed to change power setting.\n"); + + return ret; +} + +static int i2c_hid_hwreset(struct i2c_client *client) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + int ret; + + i2c_hid_dbg(ihid, "%s\n", __func__); + + ret = i2c_hid_set_power(client, I2C_HID_PWR_ON); + if (ret) + return ret; + + i2c_hid_dbg(ihid, "resetting...\n"); + + ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0); + if (ret) { + dev_err(&client->dev, "failed to reset device.\n"); + i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); + return ret; + } + + return 0; +} + +static void i2c_hid_get_input(struct i2c_hid *ihid) +{ + int ret, ret_size; + int size = le16_to_cpu(ihid->hdesc.wMaxInputLength); + + ret = i2c_master_recv(ihid->client, ihid->inbuf, size); + if (ret != size) { + if (ret < 0) + return; + + dev_err(&ihid->client->dev, "%s: got %d data instead of %d\n", + __func__, ret, size); + return; + } + + ret_size = ihid->inbuf[0] | ihid->inbuf[1] << 8; + + if (!ret_size) { + /* host or device initiated RESET completed */ + if (test_and_clear_bit(I2C_HID_RESET_PENDING, &ihid->flags)) + wake_up(&ihid->wait); + return; + } + + if (ret_size > size) { + dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n", + __func__, size, ret_size); + return; + } + + i2c_hid_dbg(ihid, "input: %*ph\n", ret_size, ihid->inbuf); + + if (test_bit(I2C_HID_STARTED, &ihid->flags)) + hid_input_report(ihid->hid, HID_INPUT_REPORT, ihid->inbuf + 2, + ret_size - 2, 1); + + return; +} + +static irqreturn_t i2c_hid_irq(int irq, void *dev_id) +{ + struct i2c_hid *ihid = dev_id; + + if (test_bit(I2C_HID_READ_PENDING, &ihid->flags)) + return IRQ_HANDLED; + + i2c_hid_get_input(ihid); + + return IRQ_HANDLED; +} + +static int i2c_hid_get_report_length(struct hid_report *report) +{ + return ((report->size - 1) >> 3) + 1 + + report->device->report_enum[report->type].numbered + 2; +} + +static void i2c_hid_init_report(struct hid_report *report, u8 *buffer, + size_t bufsize) +{ + struct hid_device *hid = report->device; + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + unsigned int size, ret_size; + + size = i2c_hid_get_report_length(report); + if (i2c_hid_get_report(client, + report->type == HID_FEATURE_REPORT ? 0x03 : 0x01, + report->id, buffer, size)) + return; + + i2c_hid_dbg(ihid, "report (len=%d): %*ph\n", size, size, ihid->inbuf); + + ret_size = buffer[0] | (buffer[1] << 8); + + if (ret_size != size) { + dev_err(&client->dev, "error in %s size:%d / ret_size:%d\n", + __func__, size, ret_size); + return; + } + + /* hid->driver_lock is held as we are in probe function, + * we just need to setup the input fields, so using + * hid_report_raw_event is safe. */ + hid_report_raw_event(hid, report->type, buffer + 2, size - 2, 1); +} + +/* + * Initialize all reports + */ +static void i2c_hid_init_reports(struct hid_device *hid) +{ + struct hid_report *report; + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + u8 *inbuf = kzalloc(ihid->bufsize, GFP_KERNEL); + + if (!inbuf) { + dev_err(&client->dev, "can not retrieve initial reports\n"); + return; + } + + /* + * The device must be powered on while we fetch initial reports + * from it. + */ + pm_runtime_get_sync(&client->dev); + + list_for_each_entry(report, + &hid->report_enum[HID_FEATURE_REPORT].report_list, list) + i2c_hid_init_report(report, inbuf, ihid->bufsize); + + pm_runtime_put(&client->dev); + + kfree(inbuf); +} + +/* + * Traverse the supplied list of reports and find the longest + */ +static void i2c_hid_find_max_report(struct hid_device *hid, unsigned int type, + unsigned int *max) +{ + struct hid_report *report; + unsigned int size; + + /* We should not rely on wMaxInputLength, as some devices may set it to + * a wrong length. */ + list_for_each_entry(report, &hid->report_enum[type].report_list, list) { + size = i2c_hid_get_report_length(report); + if (*max < size) + *max = size; + } +} + +static void i2c_hid_free_buffers(struct i2c_hid *ihid) +{ + kfree(ihid->inbuf); + kfree(ihid->argsbuf); + kfree(ihid->cmdbuf); + ihid->inbuf = NULL; + ihid->cmdbuf = NULL; + ihid->argsbuf = NULL; + ihid->bufsize = 0; +} + +static int i2c_hid_alloc_buffers(struct i2c_hid *ihid, size_t report_size) +{ + /* the worst case is computed from the set_report command with a + * reportID > 15 and the maximum report length */ + int args_len = sizeof(__u8) + /* optional ReportID byte */ + sizeof(__u16) + /* data register */ + sizeof(__u16) + /* size of the report */ + report_size; /* report */ + + ihid->inbuf = kzalloc(report_size, GFP_KERNEL); + ihid->argsbuf = kzalloc(args_len, GFP_KERNEL); + ihid->cmdbuf = kzalloc(sizeof(union command) + args_len, GFP_KERNEL); + + if (!ihid->inbuf || !ihid->argsbuf || !ihid->cmdbuf) { + i2c_hid_free_buffers(ihid); + return -ENOMEM; + } + + ihid->bufsize = report_size; + + return 0; +} + +static int i2c_hid_get_raw_report(struct hid_device *hid, + unsigned char report_number, __u8 *buf, size_t count, + unsigned char report_type) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + size_t ret_count, ask_count; + int ret; + + if (report_type == HID_OUTPUT_REPORT) + return -EINVAL; + + /* +2 bytes to include the size of the reply in the query buffer */ + ask_count = min(count + 2, (size_t)ihid->bufsize); + + ret = i2c_hid_get_report(client, + report_type == HID_FEATURE_REPORT ? 0x03 : 0x01, + report_number, ihid->inbuf, ask_count); + + if (ret < 0) + return ret; + + ret_count = ihid->inbuf[0] | (ihid->inbuf[1] << 8); + + if (ret_count <= 2) + return 0; + + ret_count = min(ret_count, ask_count); + + /* The query buffer contains the size, dropping it in the reply */ + count = min(count, ret_count - 2); + memcpy(buf, ihid->inbuf + 2, count); + + return count; +} + +static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf, + size_t count, unsigned char report_type, bool use_data) +{ + struct i2c_client *client = hid->driver_data; + int report_id = buf[0]; + int ret; + + if (report_type == HID_INPUT_REPORT) + return -EINVAL; + + if (report_id) { + buf++; + count--; + } + + ret = i2c_hid_set_or_send_report(client, + report_type == HID_FEATURE_REPORT ? 0x03 : 0x02, + report_id, buf, count, use_data); + + if (report_id && ret >= 0) + ret++; /* add report_id to the number of transfered bytes */ + + return ret; +} + +static int i2c_hid_output_report(struct hid_device *hid, __u8 *buf, + size_t count) +{ + return i2c_hid_output_raw_report(hid, buf, count, HID_OUTPUT_REPORT, + false); +} + +static int i2c_hid_raw_request(struct hid_device *hid, unsigned char reportnum, + __u8 *buf, size_t len, unsigned char rtype, + int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + return i2c_hid_get_raw_report(hid, reportnum, buf, len, rtype); + case HID_REQ_SET_REPORT: + if (buf[0] != reportnum) + return -EINVAL; + return i2c_hid_output_raw_report(hid, buf, len, rtype, true); + default: + return -EIO; + } +} + +static int i2c_hid_parse(struct hid_device *hid) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + struct i2c_hid_desc *hdesc = &ihid->hdesc; + unsigned int rsize; + char *rdesc; + int ret; + int tries = 3; + + i2c_hid_dbg(ihid, "entering %s\n", __func__); + + rsize = le16_to_cpu(hdesc->wReportDescLength); + if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) { + dbg_hid("weird size of report descriptor (%u)\n", rsize); + return -EINVAL; + } + + do { + ret = i2c_hid_hwreset(client); + if (ret) + msleep(1000); + } while (tries-- > 0 && ret); + + if (ret) + return ret; + + rdesc = kzalloc(rsize, GFP_KERNEL); + + if (!rdesc) { + dbg_hid("couldn't allocate rdesc memory\n"); + return -ENOMEM; + } + + i2c_hid_dbg(ihid, "asking HID report descriptor\n"); + + ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize); + if (ret) { + hid_err(hid, "reading report descriptor failed\n"); + kfree(rdesc); + return -EIO; + } + + i2c_hid_dbg(ihid, "Report Descriptor: %*ph\n", rsize, rdesc); + + ret = hid_parse_report(hid, rdesc, rsize); + kfree(rdesc); + if (ret) { + dbg_hid("parsing report descriptor failed\n"); + return ret; + } + + return 0; +} + +static int i2c_hid_start(struct hid_device *hid) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + int ret; + unsigned int bufsize = HID_MIN_BUFFER_SIZE; + + i2c_hid_find_max_report(hid, HID_INPUT_REPORT, &bufsize); + i2c_hid_find_max_report(hid, HID_OUTPUT_REPORT, &bufsize); + i2c_hid_find_max_report(hid, HID_FEATURE_REPORT, &bufsize); + + if (bufsize > ihid->bufsize) { + i2c_hid_free_buffers(ihid); + + ret = i2c_hid_alloc_buffers(ihid, bufsize); + + if (ret) + return ret; + } + + if (!(hid->quirks & HID_QUIRK_NO_INIT_REPORTS)) + i2c_hid_init_reports(hid); + + return 0; +} + +static void i2c_hid_stop(struct hid_device *hid) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + + hid->claimed = 0; + + i2c_hid_free_buffers(ihid); +} + +static int i2c_hid_open(struct hid_device *hid) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + int ret = 0; + + mutex_lock(&i2c_hid_open_mut); + if (!hid->open++) { + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + hid->open--; + goto done; + } + set_bit(I2C_HID_STARTED, &ihid->flags); + } +done: + mutex_unlock(&i2c_hid_open_mut); + return ret < 0 ? ret : 0; +} + +static void i2c_hid_close(struct hid_device *hid) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + + /* protecting hid->open to make sure we don't restart + * data acquistion due to a resumption we no longer + * care about + */ + mutex_lock(&i2c_hid_open_mut); + if (!--hid->open) { + clear_bit(I2C_HID_STARTED, &ihid->flags); + + /* Save some power */ + pm_runtime_put(&client->dev); + } + mutex_unlock(&i2c_hid_open_mut); +} + +static int i2c_hid_power(struct hid_device *hid, int lvl) +{ + struct i2c_client *client = hid->driver_data; + struct i2c_hid *ihid = i2c_get_clientdata(client); + + i2c_hid_dbg(ihid, "%s lvl:%d\n", __func__, lvl); + + switch (lvl) { + case PM_HINT_FULLON: + pm_runtime_get_sync(&client->dev); + break; + case PM_HINT_NORMAL: + pm_runtime_put(&client->dev); + break; + } + return 0; +} + +static struct hid_ll_driver i2c_hid_ll_driver = { + .parse = i2c_hid_parse, + .start = i2c_hid_start, + .stop = i2c_hid_stop, + .open = i2c_hid_open, + .close = i2c_hid_close, + .power = i2c_hid_power, + .output_report = i2c_hid_output_report, + .raw_request = i2c_hid_raw_request, +}; + +static int i2c_hid_init_irq(struct i2c_client *client) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + int ret; + + dev_dbg(&client->dev, "Requesting IRQ: %d\n", client->irq); + + ret = request_threaded_irq(client->irq, NULL, i2c_hid_irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + client->name, ihid); + if (ret < 0) { + dev_warn(&client->dev, + "Could not register for %s interrupt, irq = %d," + " ret = %d\n", + client->name, client->irq, ret); + + return ret; + } + + return 0; +} + +static int i2c_hid_fetch_hid_descriptor(struct i2c_hid *ihid) +{ + struct i2c_client *client = ihid->client; + struct i2c_hid_desc *hdesc = &ihid->hdesc; + unsigned int dsize; + int ret; + + /* i2c hid fetch using a fixed descriptor size (30 bytes) */ + i2c_hid_dbg(ihid, "Fetching the HID descriptor\n"); + ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer, + sizeof(struct i2c_hid_desc)); + if (ret) { + dev_err(&client->dev, "hid_descr_cmd failed\n"); + return -ENODEV; + } + + /* Validate the length of HID descriptor, the 4 first bytes: + * bytes 0-1 -> length + * bytes 2-3 -> bcdVersion (has to be 1.00) */ + /* check bcdVersion == 1.0 */ + if (le16_to_cpu(hdesc->bcdVersion) != 0x0100) { + dev_err(&client->dev, + "unexpected HID descriptor bcdVersion (0x%04hx)\n", + le16_to_cpu(hdesc->bcdVersion)); + return -ENODEV; + } + + /* Descriptor length should be 30 bytes as per the specification */ + dsize = le16_to_cpu(hdesc->wHIDDescLength); + if (dsize != sizeof(struct i2c_hid_desc)) { + dev_err(&client->dev, "weird size of HID descriptor (%u)\n", + dsize); + return -ENODEV; + } + i2c_hid_dbg(ihid, "HID Descriptor: %*ph\n", dsize, ihid->hdesc_buffer); + return 0; +} + +#ifdef CONFIG_ACPI +static int i2c_hid_acpi_pdata(struct i2c_client *client, + struct i2c_hid_platform_data *pdata) +{ + static u8 i2c_hid_guid[] = { + 0xF7, 0xF6, 0xDF, 0x3C, 0x67, 0x42, 0x55, 0x45, + 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE, + }; + union acpi_object *obj; + struct acpi_device *adev; + acpi_handle handle; + + handle = ACPI_HANDLE(&client->dev); + if (!handle || acpi_bus_get_device(handle, &adev)) + return -ENODEV; + + obj = acpi_evaluate_dsm_typed(handle, i2c_hid_guid, 1, 1, NULL, + ACPI_TYPE_INTEGER); + if (!obj) { + dev_err(&client->dev, "device _DSM execution failed\n"); + return -ENODEV; + } + + pdata->hid_descriptor_address = obj->integer.value; + ACPI_FREE(obj); + + return 0; +} + +static const struct acpi_device_id i2c_hid_acpi_match[] = { + {"ACPI0C50", 0 }, + {"PNP0C50", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, i2c_hid_acpi_match); +#else +static inline int i2c_hid_acpi_pdata(struct i2c_client *client, + struct i2c_hid_platform_data *pdata) +{ + return -ENODEV; +} +#endif + +#ifdef CONFIG_OF +static int i2c_hid_of_probe(struct i2c_client *client, + struct i2c_hid_platform_data *pdata) +{ + struct device *dev = &client->dev; + u32 val; + int ret; + + ret = of_property_read_u32(dev->of_node, "hid-descr-addr", &val); + if (ret) { + dev_err(&client->dev, "HID register address not provided\n"); + return -ENODEV; + } + if (val >> 16) { + dev_err(&client->dev, "Bad HID register address: 0x%08x\n", + val); + return -EINVAL; + } + pdata->hid_descriptor_address = val; + + return 0; +} + +static const struct of_device_id i2c_hid_of_match[] = { + { .compatible = "hid-over-i2c" }, + {}, +}; +MODULE_DEVICE_TABLE(of, i2c_hid_of_match); +#else +static inline int i2c_hid_of_probe(struct i2c_client *client, + struct i2c_hid_platform_data *pdata) +{ + return -ENODEV; +} +#endif + +static int i2c_hid_probe(struct i2c_client *client, + const struct i2c_device_id *dev_id) +{ + int ret; + struct i2c_hid *ihid; + struct hid_device *hid; + __u16 hidRegister; + struct i2c_hid_platform_data *platform_data = client->dev.platform_data; + + dbg_hid("HID probe called for i2c 0x%02x\n", client->addr); + + if (!client->irq) { + dev_err(&client->dev, + "HID over i2c has not been provided an Int IRQ\n"); + return -EINVAL; + } + + ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL); + if (!ihid) + return -ENOMEM; + + if (client->dev.of_node) { + ret = i2c_hid_of_probe(client, &ihid->pdata); + if (ret) + goto err; + } else if (!platform_data) { + ret = i2c_hid_acpi_pdata(client, &ihid->pdata); + if (ret) { + dev_err(&client->dev, + "HID register address not provided\n"); + goto err; + } + } else { + ihid->pdata = *platform_data; + } + + i2c_set_clientdata(client, ihid); + + ihid->client = client; + + hidRegister = ihid->pdata.hid_descriptor_address; + ihid->wHIDDescRegister = cpu_to_le16(hidRegister); + + init_waitqueue_head(&ihid->wait); + + /* we need to allocate the command buffer without knowing the maximum + * size of the reports. Let's use HID_MIN_BUFFER_SIZE, then we do the + * real computation later. */ + ret = i2c_hid_alloc_buffers(ihid, HID_MIN_BUFFER_SIZE); + if (ret < 0) + goto err; + + pm_runtime_get_noresume(&client->dev); + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + + ret = i2c_hid_fetch_hid_descriptor(ihid); + if (ret < 0) + goto err_pm; + + ret = i2c_hid_init_irq(client); + if (ret < 0) + goto err_pm; + + hid = hid_allocate_device(); + if (IS_ERR(hid)) { + ret = PTR_ERR(hid); + goto err_irq; + } + + ihid->hid = hid; + + hid->driver_data = client; + hid->ll_driver = &i2c_hid_ll_driver; + hid->dev.parent = &client->dev; + ACPI_COMPANION_SET(&hid->dev, ACPI_COMPANION(&client->dev)); + hid->bus = BUS_I2C; + hid->version = le16_to_cpu(ihid->hdesc.bcdVersion); + hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID); + hid->product = le16_to_cpu(ihid->hdesc.wProductID); + + snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX", + client->name, hid->vendor, hid->product); + + ret = hid_add_device(hid); + if (ret) { + if (ret != -ENODEV) + hid_err(client, "can't add hid device: %d\n", ret); + goto err_mem_free; + } + + pm_runtime_put(&client->dev); + return 0; + +err_mem_free: + hid_destroy_device(hid); + +err_irq: + free_irq(client->irq, ihid); + +err_pm: + pm_runtime_put_noidle(&client->dev); + pm_runtime_disable(&client->dev); + +err: + i2c_hid_free_buffers(ihid); + kfree(ihid); + return ret; +} + +static int i2c_hid_remove(struct i2c_client *client) +{ + struct i2c_hid *ihid = i2c_get_clientdata(client); + struct hid_device *hid; + + pm_runtime_get_sync(&client->dev); + pm_runtime_disable(&client->dev); + pm_runtime_set_suspended(&client->dev); + pm_runtime_put_noidle(&client->dev); + + hid = ihid->hid; + hid_destroy_device(hid); + + free_irq(client->irq, ihid); + + if (ihid->bufsize) + i2c_hid_free_buffers(ihid); + + kfree(ihid); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int i2c_hid_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + disable_irq(client->irq); + if (device_may_wakeup(&client->dev)) + enable_irq_wake(client->irq); + + /* Save some power */ + i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); + + return 0; +} + +static int i2c_hid_resume(struct device *dev) +{ + int ret; + struct i2c_client *client = to_i2c_client(dev); + + enable_irq(client->irq); + ret = i2c_hid_hwreset(client); + if (ret) + return ret; + + if (device_may_wakeup(&client->dev)) + disable_irq_wake(client->irq); + + return 0; +} +#endif + +#ifdef CONFIG_PM_RUNTIME +static int i2c_hid_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); + disable_irq(client->irq); + return 0; +} + +static int i2c_hid_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + enable_irq(client->irq); + i2c_hid_set_power(client, I2C_HID_PWR_ON); + return 0; +} +#endif + +static const struct dev_pm_ops i2c_hid_pm = { + SET_SYSTEM_SLEEP_PM_OPS(i2c_hid_suspend, i2c_hid_resume) + SET_RUNTIME_PM_OPS(i2c_hid_runtime_suspend, i2c_hid_runtime_resume, + NULL) +}; + +static const struct i2c_device_id i2c_hid_id_table[] = { + { "hid", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, i2c_hid_id_table); + + +static struct i2c_driver i2c_hid_driver = { + .driver = { + .name = "i2c_hid", + .owner = THIS_MODULE, + .pm = &i2c_hid_pm, + .acpi_match_table = ACPI_PTR(i2c_hid_acpi_match), + .of_match_table = of_match_ptr(i2c_hid_of_match), + }, + + .probe = i2c_hid_probe, + .remove = i2c_hid_remove, + + .id_table = i2c_hid_id_table, +}; + +module_i2c_driver(i2c_hid_driver); + +MODULE_DESCRIPTION("HID over I2C core driver"); +MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c new file mode 100644 index 00000000000..0cb92e34725 --- /dev/null +++ b/drivers/hid/uhid.c @@ -0,0 +1,736 @@ +/* + * User-space I/O driver support for HID subsystem + * Copyright (c) 2012 David Herrmann + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/atomic.h> +#include <linux/compat.h> +#include <linux/device.h> +#include <linux/fs.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/poll.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/uhid.h> +#include <linux/wait.h> + +#define UHID_NAME "uhid" +#define UHID_BUFSIZE 32 + +struct uhid_device { + struct mutex devlock; + bool running; + + __u8 *rd_data; + uint rd_size; + + struct hid_device *hid; + struct uhid_event input_buf; + + wait_queue_head_t waitq; + spinlock_t qlock; + __u8 head; + __u8 tail; + struct uhid_event *outq[UHID_BUFSIZE]; + + struct mutex report_lock; + wait_queue_head_t report_wait; + atomic_t report_done; + atomic_t report_id; + struct uhid_event report_buf; +}; + +static struct miscdevice uhid_misc; + +static void uhid_queue(struct uhid_device *uhid, struct uhid_event *ev) +{ + __u8 newhead; + + newhead = (uhid->head + 1) % UHID_BUFSIZE; + + if (newhead != uhid->tail) { + uhid->outq[uhid->head] = ev; + uhid->head = newhead; + wake_up_interruptible(&uhid->waitq); + } else { + hid_warn(uhid->hid, "Output queue is full\n"); + kfree(ev); + } +} + +static int uhid_queue_event(struct uhid_device *uhid, __u32 event) +{ + unsigned long flags; + struct uhid_event *ev; + + ev = kzalloc(sizeof(*ev), GFP_KERNEL); + if (!ev) + return -ENOMEM; + + ev->type = event; + + spin_lock_irqsave(&uhid->qlock, flags); + uhid_queue(uhid, ev); + spin_unlock_irqrestore(&uhid->qlock, flags); + + return 0; +} + +static int uhid_hid_start(struct hid_device *hid) +{ + struct uhid_device *uhid = hid->driver_data; + + return uhid_queue_event(uhid, UHID_START); +} + +static void uhid_hid_stop(struct hid_device *hid) +{ + struct uhid_device *uhid = hid->driver_data; + + hid->claimed = 0; + uhid_queue_event(uhid, UHID_STOP); +} + +static int uhid_hid_open(struct hid_device *hid) +{ + struct uhid_device *uhid = hid->driver_data; + + return uhid_queue_event(uhid, UHID_OPEN); +} + +static void uhid_hid_close(struct hid_device *hid) +{ + struct uhid_device *uhid = hid->driver_data; + + uhid_queue_event(uhid, UHID_CLOSE); +} + +static int uhid_hid_parse(struct hid_device *hid) +{ + struct uhid_device *uhid = hid->driver_data; + + return hid_parse_report(hid, uhid->rd_data, uhid->rd_size); +} + +static int uhid_hid_get_raw(struct hid_device *hid, unsigned char rnum, + __u8 *buf, size_t count, unsigned char rtype) +{ + struct uhid_device *uhid = hid->driver_data; + __u8 report_type; + struct uhid_event *ev; + unsigned long flags; + int ret; + size_t uninitialized_var(len); + struct uhid_feature_answer_req *req; + + if (!uhid->running) + return -EIO; + + switch (rtype) { + case HID_FEATURE_REPORT: + report_type = UHID_FEATURE_REPORT; + break; + case HID_OUTPUT_REPORT: + report_type = UHID_OUTPUT_REPORT; + break; + case HID_INPUT_REPORT: + report_type = UHID_INPUT_REPORT; + break; + default: + return -EINVAL; + } + + ret = mutex_lock_interruptible(&uhid->report_lock); + if (ret) + return ret; + + ev = kzalloc(sizeof(*ev), GFP_KERNEL); + if (!ev) { + ret = -ENOMEM; + goto unlock; + } + + spin_lock_irqsave(&uhid->qlock, flags); + ev->type = UHID_FEATURE; + ev->u.feature.id = atomic_inc_return(&uhid->report_id); + ev->u.feature.rnum = rnum; + ev->u.feature.rtype = report_type; + + atomic_set(&uhid->report_done, 0); + uhid_queue(uhid, ev); + spin_unlock_irqrestore(&uhid->qlock, flags); + + ret = wait_event_interruptible_timeout(uhid->report_wait, + atomic_read(&uhid->report_done), 5 * HZ); + + /* + * Make sure "uhid->running" is cleared on shutdown before + * "uhid->report_done" is set. + */ + smp_rmb(); + if (!ret || !uhid->running) { + ret = -EIO; + } else if (ret < 0) { + ret = -ERESTARTSYS; + } else { + spin_lock_irqsave(&uhid->qlock, flags); + req = &uhid->report_buf.u.feature_answer; + + if (req->err) { + ret = -EIO; + } else { + ret = 0; + len = min(count, + min_t(size_t, req->size, UHID_DATA_MAX)); + memcpy(buf, req->data, len); + } + + spin_unlock_irqrestore(&uhid->qlock, flags); + } + + atomic_set(&uhid->report_done, 1); + +unlock: + mutex_unlock(&uhid->report_lock); + return ret ? ret : len; +} + +static int uhid_hid_output_raw(struct hid_device *hid, __u8 *buf, size_t count, + unsigned char report_type) +{ + struct uhid_device *uhid = hid->driver_data; + __u8 rtype; + unsigned long flags; + struct uhid_event *ev; + + switch (report_type) { + case HID_FEATURE_REPORT: + rtype = UHID_FEATURE_REPORT; + break; + case HID_OUTPUT_REPORT: + rtype = UHID_OUTPUT_REPORT; + break; + default: + return -EINVAL; + } + + if (count < 1 || count > UHID_DATA_MAX) + return -EINVAL; + + ev = kzalloc(sizeof(*ev), GFP_KERNEL); + if (!ev) + return -ENOMEM; + + ev->type = UHID_OUTPUT; + ev->u.output.size = count; + ev->u.output.rtype = rtype; + memcpy(ev->u.output.data, buf, count); + + spin_lock_irqsave(&uhid->qlock, flags); + uhid_queue(uhid, ev); + spin_unlock_irqrestore(&uhid->qlock, flags); + + return count; +} + +static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf, + size_t count) +{ + return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT); +} + +static int uhid_raw_request(struct hid_device *hid, unsigned char reportnum, + __u8 *buf, size_t len, unsigned char rtype, + int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + return uhid_hid_get_raw(hid, reportnum, buf, len, rtype); + case HID_REQ_SET_REPORT: + /* TODO: implement proper SET_REPORT functionality */ + return -ENOSYS; + default: + return -EIO; + } +} + +static struct hid_ll_driver uhid_hid_driver = { + .start = uhid_hid_start, + .stop = uhid_hid_stop, + .open = uhid_hid_open, + .close = uhid_hid_close, + .parse = uhid_hid_parse, + .output_report = uhid_hid_output_report, + .raw_request = uhid_raw_request, +}; + +#ifdef CONFIG_COMPAT + +/* Apparently we haven't stepped on these rakes enough times yet. */ +struct uhid_create_req_compat { + __u8 name[128]; + __u8 phys[64]; + __u8 uniq[64]; + + compat_uptr_t rd_data; + __u16 rd_size; + + __u16 bus; + __u32 vendor; + __u32 product; + __u32 version; + __u32 country; +} __attribute__((__packed__)); + +static int uhid_event_from_user(const char __user *buffer, size_t len, + struct uhid_event *event) +{ + if (is_compat_task()) { + u32 type; + + if (get_user(type, buffer)) + return -EFAULT; + + if (type == UHID_CREATE) { + /* + * This is our messed up request with compat pointer. + * It is largish (more than 256 bytes) so we better + * allocate it from the heap. + */ + struct uhid_create_req_compat *compat; + + compat = kzalloc(sizeof(*compat), GFP_KERNEL); + if (!compat) + return -ENOMEM; + + buffer += sizeof(type); + len -= sizeof(type); + if (copy_from_user(compat, buffer, + min(len, sizeof(*compat)))) { + kfree(compat); + return -EFAULT; + } + + /* Shuffle the data over to proper structure */ + event->type = type; + + memcpy(event->u.create.name, compat->name, + sizeof(compat->name)); + memcpy(event->u.create.phys, compat->phys, + sizeof(compat->phys)); + memcpy(event->u.create.uniq, compat->uniq, + sizeof(compat->uniq)); + + event->u.create.rd_data = compat_ptr(compat->rd_data); + event->u.create.rd_size = compat->rd_size; + + event->u.create.bus = compat->bus; + event->u.create.vendor = compat->vendor; + event->u.create.product = compat->product; + event->u.create.version = compat->version; + event->u.create.country = compat->country; + + kfree(compat); + return 0; + } + /* All others can be copied directly */ + } + + if (copy_from_user(event, buffer, min(len, sizeof(*event)))) + return -EFAULT; + + return 0; +} +#else +static int uhid_event_from_user(const char __user *buffer, size_t len, + struct uhid_event *event) +{ + if (copy_from_user(event, buffer, min(len, sizeof(*event)))) + return -EFAULT; + + return 0; +} +#endif + +static int uhid_dev_create(struct uhid_device *uhid, + const struct uhid_event *ev) +{ + struct hid_device *hid; + int ret; + + if (uhid->running) + return -EALREADY; + + uhid->rd_size = ev->u.create.rd_size; + if (uhid->rd_size <= 0 || uhid->rd_size > HID_MAX_DESCRIPTOR_SIZE) + return -EINVAL; + + uhid->rd_data = kmalloc(uhid->rd_size, GFP_KERNEL); + if (!uhid->rd_data) + return -ENOMEM; + + if (copy_from_user(uhid->rd_data, ev->u.create.rd_data, + uhid->rd_size)) { + ret = -EFAULT; + goto err_free; + } + + hid = hid_allocate_device(); + if (IS_ERR(hid)) { + ret = PTR_ERR(hid); + goto err_free; + } + + strncpy(hid->name, ev->u.create.name, 127); + hid->name[127] = 0; + strncpy(hid->phys, ev->u.create.phys, 63); + hid->phys[63] = 0; + strncpy(hid->uniq, ev->u.create.uniq, 63); + hid->uniq[63] = 0; + + hid->ll_driver = &uhid_hid_driver; + hid->bus = ev->u.create.bus; + hid->vendor = ev->u.create.vendor; + hid->product = ev->u.create.product; + hid->version = ev->u.create.version; + hid->country = ev->u.create.country; + hid->driver_data = uhid; + hid->dev.parent = uhid_misc.this_device; + + uhid->hid = hid; + uhid->running = true; + + ret = hid_add_device(hid); + if (ret) { + hid_err(hid, "Cannot register HID device\n"); + goto err_hid; + } + + return 0; + +err_hid: + hid_destroy_device(hid); + uhid->hid = NULL; + uhid->running = false; +err_free: + kfree(uhid->rd_data); + return ret; +} + +static int uhid_dev_create2(struct uhid_device *uhid, + const struct uhid_event *ev) +{ + struct hid_device *hid; + int ret; + + if (uhid->running) + return -EALREADY; + + uhid->rd_size = ev->u.create2.rd_size; + if (uhid->rd_size <= 0 || uhid->rd_size > HID_MAX_DESCRIPTOR_SIZE) + return -EINVAL; + + uhid->rd_data = kmemdup(ev->u.create2.rd_data, uhid->rd_size, + GFP_KERNEL); + if (!uhid->rd_data) + return -ENOMEM; + + hid = hid_allocate_device(); + if (IS_ERR(hid)) { + ret = PTR_ERR(hid); + goto err_free; + } + + strncpy(hid->name, ev->u.create2.name, 127); + hid->name[127] = 0; + strncpy(hid->phys, ev->u.create2.phys, 63); + hid->phys[63] = 0; + strncpy(hid->uniq, ev->u.create2.uniq, 63); + hid->uniq[63] = 0; + + hid->ll_driver = &uhid_hid_driver; + hid->bus = ev->u.create2.bus; + hid->vendor = ev->u.create2.vendor; + hid->product = ev->u.create2.product; + hid->version = ev->u.create2.version; + hid->country = ev->u.create2.country; + hid->driver_data = uhid; + hid->dev.parent = uhid_misc.this_device; + + uhid->hid = hid; + uhid->running = true; + + ret = hid_add_device(hid); + if (ret) { + hid_err(hid, "Cannot register HID device\n"); + goto err_hid; + } + + return 0; + +err_hid: + hid_destroy_device(hid); + uhid->hid = NULL; + uhid->running = false; +err_free: + kfree(uhid->rd_data); + return ret; +} + +static int uhid_dev_destroy(struct uhid_device *uhid) +{ + if (!uhid->running) + return -EINVAL; + + /* clear "running" before setting "report_done" */ + uhid->running = false; + smp_wmb(); + atomic_set(&uhid->report_done, 1); + wake_up_interruptible(&uhid->report_wait); + + hid_destroy_device(uhid->hid); + kfree(uhid->rd_data); + + return 0; +} + +static int uhid_dev_input(struct uhid_device *uhid, struct uhid_event *ev) +{ + if (!uhid->running) + return -EINVAL; + + hid_input_report(uhid->hid, HID_INPUT_REPORT, ev->u.input.data, + min_t(size_t, ev->u.input.size, UHID_DATA_MAX), 0); + + return 0; +} + +static int uhid_dev_input2(struct uhid_device *uhid, struct uhid_event *ev) +{ + if (!uhid->running) + return -EINVAL; + + hid_input_report(uhid->hid, HID_INPUT_REPORT, ev->u.input2.data, + min_t(size_t, ev->u.input2.size, UHID_DATA_MAX), 0); + + return 0; +} + +static int uhid_dev_feature_answer(struct uhid_device *uhid, + struct uhid_event *ev) +{ + unsigned long flags; + + if (!uhid->running) + return -EINVAL; + + spin_lock_irqsave(&uhid->qlock, flags); + + /* id for old report; drop it silently */ + if (atomic_read(&uhid->report_id) != ev->u.feature_answer.id) + goto unlock; + if (atomic_read(&uhid->report_done)) + goto unlock; + + memcpy(&uhid->report_buf, ev, sizeof(*ev)); + atomic_set(&uhid->report_done, 1); + wake_up_interruptible(&uhid->report_wait); + +unlock: + spin_unlock_irqrestore(&uhid->qlock, flags); + return 0; +} + +static int uhid_char_open(struct inode *inode, struct file *file) +{ + struct uhid_device *uhid; + + uhid = kzalloc(sizeof(*uhid), GFP_KERNEL); + if (!uhid) + return -ENOMEM; + + mutex_init(&uhid->devlock); + mutex_init(&uhid->report_lock); + spin_lock_init(&uhid->qlock); + init_waitqueue_head(&uhid->waitq); + init_waitqueue_head(&uhid->report_wait); + uhid->running = false; + atomic_set(&uhid->report_done, 1); + + file->private_data = uhid; + nonseekable_open(inode, file); + + return 0; +} + +static int uhid_char_release(struct inode *inode, struct file *file) +{ + struct uhid_device *uhid = file->private_data; + unsigned int i; + + uhid_dev_destroy(uhid); + + for (i = 0; i < UHID_BUFSIZE; ++i) + kfree(uhid->outq[i]); + + kfree(uhid); + + return 0; +} + +static ssize_t uhid_char_read(struct file *file, char __user *buffer, + size_t count, loff_t *ppos) +{ + struct uhid_device *uhid = file->private_data; + int ret; + unsigned long flags; + size_t len; + + /* they need at least the "type" member of uhid_event */ + if (count < sizeof(__u32)) + return -EINVAL; + +try_again: + if (file->f_flags & O_NONBLOCK) { + if (uhid->head == uhid->tail) + return -EAGAIN; + } else { + ret = wait_event_interruptible(uhid->waitq, + uhid->head != uhid->tail); + if (ret) + return ret; + } + + ret = mutex_lock_interruptible(&uhid->devlock); + if (ret) + return ret; + + if (uhid->head == uhid->tail) { + mutex_unlock(&uhid->devlock); + goto try_again; + } else { + len = min(count, sizeof(**uhid->outq)); + if (copy_to_user(buffer, uhid->outq[uhid->tail], len)) { + ret = -EFAULT; + } else { + kfree(uhid->outq[uhid->tail]); + uhid->outq[uhid->tail] = NULL; + + spin_lock_irqsave(&uhid->qlock, flags); + uhid->tail = (uhid->tail + 1) % UHID_BUFSIZE; + spin_unlock_irqrestore(&uhid->qlock, flags); + } + } + + mutex_unlock(&uhid->devlock); + return ret ? ret : len; +} + +static ssize_t uhid_char_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) +{ + struct uhid_device *uhid = file->private_data; + int ret; + size_t len; + + /* we need at least the "type" member of uhid_event */ + if (count < sizeof(__u32)) + return -EINVAL; + + ret = mutex_lock_interruptible(&uhid->devlock); + if (ret) + return ret; + + memset(&uhid->input_buf, 0, sizeof(uhid->input_buf)); + len = min(count, sizeof(uhid->input_buf)); + + ret = uhid_event_from_user(buffer, len, &uhid->input_buf); + if (ret) + goto unlock; + + switch (uhid->input_buf.type) { + case UHID_CREATE: + ret = uhid_dev_create(uhid, &uhid->input_buf); + break; + case UHID_CREATE2: + ret = uhid_dev_create2(uhid, &uhid->input_buf); + break; + case UHID_DESTROY: + ret = uhid_dev_destroy(uhid); + break; + case UHID_INPUT: + ret = uhid_dev_input(uhid, &uhid->input_buf); + break; + case UHID_INPUT2: + ret = uhid_dev_input2(uhid, &uhid->input_buf); + break; + case UHID_FEATURE_ANSWER: + ret = uhid_dev_feature_answer(uhid, &uhid->input_buf); + break; + default: + ret = -EOPNOTSUPP; + } + +unlock: + mutex_unlock(&uhid->devlock); + + /* return "count" not "len" to not confuse the caller */ + return ret ? ret : count; +} + +static unsigned int uhid_char_poll(struct file *file, poll_table *wait) +{ + struct uhid_device *uhid = file->private_data; + + poll_wait(file, &uhid->waitq, wait); + + if (uhid->head != uhid->tail) + return POLLIN | POLLRDNORM; + + return 0; +} + +static const struct file_operations uhid_fops = { + .owner = THIS_MODULE, + .open = uhid_char_open, + .release = uhid_char_release, + .read = uhid_char_read, + .write = uhid_char_write, + .poll = uhid_char_poll, + .llseek = no_llseek, +}; + +static struct miscdevice uhid_misc = { + .fops = &uhid_fops, + .minor = UHID_MINOR, + .name = UHID_NAME, +}; + +static int __init uhid_init(void) +{ + return misc_register(&uhid_misc); +} + +static void __exit uhid_exit(void) +{ + misc_deregister(&uhid_misc); +} + +module_init(uhid_init); +module_exit(uhid_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); +MODULE_DESCRIPTION("User-space I/O driver support for HID subsystem"); +MODULE_ALIAS_MISCDEV(UHID_MINOR); +MODULE_ALIAS("devname:" UHID_NAME); diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 4edb3bef94a..0108c5991a0 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -1,13 +1,13 @@ -comment "USB Input Devices" +menu "USB HID support" depends on USB config USB_HID - tristate "USB Human Interface Device (full HID) support" + tristate "USB HID transport layer" default y depends on USB && INPUT select HID ---help--- - Say Y here if you want full HID support to connect USB keyboards, + Say Y here if you want to connect USB keyboards, mice, joysticks, graphic tablets, or any other HID based devices to your computer via USB, as well as Uninterruptible Power Supply (UPS) and monitor control devices. @@ -45,7 +45,7 @@ config USB_HIDDEV If unsure, say Y. menu "USB HID Boot Protocol drivers" - depends on USB!=n && USB_HID!=y && EMBEDDED + depends on USB!=n && USB_HID!=y && EXPERT config USB_KBD tristate "USB HIDBP Keyboard (simple Boot) support" @@ -81,4 +81,4 @@ config USB_MOUSE endmenu - +endmenu diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index 1329ecb37a1..db3cf31c6fa 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -3,15 +3,15 @@ # # Multipart objects. -usbhid-objs := hid-core.o hid-quirks.o +usbhid-y := hid-core.o hid-quirks.o # Optional parts of multipart objects. ifeq ($(CONFIG_USB_HIDDEV),y) - usbhid-objs += hiddev.o + usbhid-y += hiddev.o endif ifeq ($(CONFIG_HID_PID),y) - usbhid-objs += hid-pidff.o + usbhid-y += hid-pidff.o endif obj-$(CONFIG_USB_HID) += usbhid.o diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 5489eab3a6b..7b88f4cb990 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -28,6 +28,7 @@ #include <linux/input.h> #include <linux/wait.h> #include <linux/workqueue.h> +#include <linux/string.h> #include <linux/usb.h> @@ -67,7 +68,6 @@ MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying " * Input submission and I/O error handler. */ static DEFINE_MUTEX(hid_open_mut); -static struct workqueue_struct *resumption_waker; static void hid_io_error(struct hid_device *hid); static int hid_submit_out(struct hid_device *hid); @@ -84,11 +84,16 @@ static int hid_start_in(struct hid_device *hid) spin_lock_irqsave(&usbhid->lock, flags); if (hid->open > 0 && !test_bit(HID_DISCONNECTED, &usbhid->iofl) && - !test_bit(HID_REPORTED_IDLE, &usbhid->iofl) && + !test_bit(HID_SUSPENDED, &usbhid->iofl) && !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) { rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC); - if (rc != 0) + if (rc != 0) { clear_bit(HID_IN_RUNNING, &usbhid->iofl); + if (rc == -ENOSPC) + set_bit(HID_NO_BANDWIDTH, &usbhid->iofl); + } else { + clear_bit(HID_NO_BANDWIDTH, &usbhid->iofl); + } } spin_unlock_irqrestore(&usbhid->lock, flags); return rc; @@ -136,10 +141,10 @@ static void hid_reset(struct work_struct *work) hid_io_error(hid); break; default: - err_hid("can't reset device, %s-%s/input%d, status %d", - hid_to_usb_dev(hid)->bus->bus_name, - hid_to_usb_dev(hid)->devpath, - usbhid->ifnum, rc); + hid_err(hid, "can't reset device, %s-%s/input%d, status %d\n", + hid_to_usb_dev(hid)->bus->bus_name, + hid_to_usb_dev(hid)->devpath, + usbhid->ifnum, rc); /* FALLTHROUGH */ case -EHOSTUNREACH: case -ENODEV: @@ -174,8 +179,10 @@ static void hid_io_error(struct hid_device *hid) if (time_after(jiffies, usbhid->stop_retry)) { - /* Retries failed, so do a port reset */ - if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) { + /* Retries failed, so do a port reset unless we lack bandwidth*/ + if (test_bit(HID_NO_BANDWIDTH, &usbhid->iofl) + && !test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) { + schedule_work(&usbhid->reset_work); goto done; } @@ -198,16 +205,36 @@ static int usbhid_restart_out_queue(struct usbhid_device *usbhid) { struct hid_device *hid = usb_get_intfdata(usbhid->intf); int kicked; + int r; - if (!hid) + if (!hid || test_bit(HID_RESET_PENDING, &usbhid->iofl) || + test_bit(HID_SUSPENDED, &usbhid->iofl)) return 0; if ((kicked = (usbhid->outhead != usbhid->outtail))) { - dbg("Kicking head %d tail %d", usbhid->outhead, usbhid->outtail); + hid_dbg(hid, "Kicking head %d tail %d", usbhid->outhead, usbhid->outtail); + + /* Try to wake up from autosuspend... */ + r = usb_autopm_get_interface_async(usbhid->intf); + if (r < 0) + return r; + + /* + * If still suspended, don't submit. Submission will + * occur if/when resume drains the queue. + */ + if (test_bit(HID_SUSPENDED, &usbhid->iofl)) { + usb_autopm_put_interface_no_suspend(usbhid->intf); + return r; + } + + /* Asynchronously flush queue. */ + set_bit(HID_OUT_RUNNING, &usbhid->iofl); if (hid_submit_out(hid)) { clear_bit(HID_OUT_RUNNING, &usbhid->iofl); - wake_up(&usbhid->wait); + usb_autopm_put_interface_async(usbhid->intf); } + wake_up(&usbhid->wait); } return kicked; } @@ -216,17 +243,37 @@ static int usbhid_restart_ctrl_queue(struct usbhid_device *usbhid) { struct hid_device *hid = usb_get_intfdata(usbhid->intf); int kicked; + int r; WARN_ON(hid == NULL); - if (!hid) + if (!hid || test_bit(HID_RESET_PENDING, &usbhid->iofl) || + test_bit(HID_SUSPENDED, &usbhid->iofl)) return 0; if ((kicked = (usbhid->ctrlhead != usbhid->ctrltail))) { - dbg("Kicking head %d tail %d", usbhid->ctrlhead, usbhid->ctrltail); + hid_dbg(hid, "Kicking head %d tail %d", usbhid->ctrlhead, usbhid->ctrltail); + + /* Try to wake up from autosuspend... */ + r = usb_autopm_get_interface_async(usbhid->intf); + if (r < 0) + return r; + + /* + * If still suspended, don't submit. Submission will + * occur if/when resume drains the queue. + */ + if (test_bit(HID_SUSPENDED, &usbhid->iofl)) { + usb_autopm_put_interface_no_suspend(usbhid->intf); + return r; + } + + /* Asynchronously flush queue. */ + set_bit(HID_CTRL_RUNNING, &usbhid->iofl); if (hid_submit_ctrl(hid)) { clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); - wake_up(&usbhid->wait); + usb_autopm_put_interface_async(usbhid->intf); } + wake_up(&usbhid->wait); } return kicked; } @@ -278,18 +325,18 @@ static void hid_irq_in(struct urb *urb) hid_io_error(hid); return; default: /* error */ - dev_warn(&urb->dev->dev, "input irq status %d " - "received\n", urb->status); + hid_warn(urb->dev, "input irq status %d received\n", + urb->status); } status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { clear_bit(HID_IN_RUNNING, &usbhid->iofl); if (status != -EPERM) { - err_hid("can't resubmit intr, %s-%s/input%d, status %d", - hid_to_usb_dev(hid)->bus->bus_name, - hid_to_usb_dev(hid)->devpath, - usbhid->ifnum, status); + hid_err(hid, "can't resubmit intr, %s-%s/input%d, status %d\n", + hid_to_usb_dev(hid)->bus->bus_name, + hid_to_usb_dev(hid)->devpath, + usbhid->ifnum, status); hid_io_error(hid); } } @@ -300,32 +347,29 @@ static int hid_submit_out(struct hid_device *hid) struct hid_report *report; char *raw_report; struct usbhid_device *usbhid = hid->driver_data; + int r; report = usbhid->out[usbhid->outtail].report; raw_report = usbhid->out[usbhid->outtail].raw_report; - if (!test_bit(HID_REPORTED_IDLE, &usbhid->iofl)) { - usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); - usbhid->urbout->dev = hid_to_usb_dev(hid); - memcpy(usbhid->outbuf, raw_report, usbhid->urbout->transfer_buffer_length); + usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + + 1 + (report->id > 0); + usbhid->urbout->dev = hid_to_usb_dev(hid); + if (raw_report) { + memcpy(usbhid->outbuf, raw_report, + usbhid->urbout->transfer_buffer_length); kfree(raw_report); + usbhid->out[usbhid->outtail].raw_report = NULL; + } - dbg_hid("submitting out urb\n"); + dbg_hid("submitting out urb\n"); - if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) { - err_hid("usb_submit_urb(out) failed"); - return -1; - } - usbhid->last_out = jiffies; - } else { - /* - * queue work to wake up the device. - * as the work queue is freezeable, this is safe - * with respect to STD and STR - */ - queue_work(resumption_waker, &usbhid->restart_work); + r = usb_submit_urb(usbhid->urbout, GFP_ATOMIC); + if (r < 0) { + hid_err(hid, "usb_submit_urb(out) failed: %d\n", r); + return r; } - + usbhid->last_out = jiffies; return 0; } @@ -334,60 +378,58 @@ static int hid_submit_ctrl(struct hid_device *hid) struct hid_report *report; unsigned char dir; char *raw_report; - int len; + int len, r; struct usbhid_device *usbhid = hid->driver_data; report = usbhid->ctrl[usbhid->ctrltail].report; raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; dir = usbhid->ctrl[usbhid->ctrltail].dir; - if (!test_bit(HID_REPORTED_IDLE, &usbhid->iofl)) { - len = ((report->size - 1) >> 3) + 1 + (report->id > 0); - if (dir == USB_DIR_OUT) { - usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); - usbhid->urbctrl->transfer_buffer_length = len; + len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + if (dir == USB_DIR_OUT) { + usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); + usbhid->urbctrl->transfer_buffer_length = len; + if (raw_report) { memcpy(usbhid->ctrlbuf, raw_report, len); kfree(raw_report); - } else { - int maxpacket, padlen; - - usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); - maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0); - if (maxpacket > 0) { - padlen = DIV_ROUND_UP(len, maxpacket); - padlen *= maxpacket; - if (padlen > usbhid->bufsize) - padlen = usbhid->bufsize; - } else - padlen = 0; - usbhid->urbctrl->transfer_buffer_length = padlen; + usbhid->ctrl[usbhid->ctrltail].raw_report = NULL; } - usbhid->urbctrl->dev = hid_to_usb_dev(hid); - - usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; - usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT; - usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id); - usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); - usbhid->cr->wLength = cpu_to_le16(len); - - dbg_hid("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u\n", - usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report", - usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); - - if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) { - err_hid("usb_submit_urb(ctrl) failed"); - return -1; - } - usbhid->last_ctrl = jiffies; } else { - /* - * queue work to wake up the device. - * as the work queue is freezeable, this is safe - * with respect to STD and STR - */ - queue_work(resumption_waker, &usbhid->restart_work); + int maxpacket, padlen; + + usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); + maxpacket = usb_maxpacket(hid_to_usb_dev(hid), + usbhid->urbctrl->pipe, 0); + if (maxpacket > 0) { + padlen = DIV_ROUND_UP(len, maxpacket); + padlen *= maxpacket; + if (padlen > usbhid->bufsize) + padlen = usbhid->bufsize; + } else + padlen = 0; + usbhid->urbctrl->transfer_buffer_length = padlen; } - + usbhid->urbctrl->dev = hid_to_usb_dev(hid); + + usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; + usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : + HID_REQ_GET_REPORT; + usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | + report->id); + usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); + usbhid->cr->wLength = cpu_to_le16(len); + + dbg_hid("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u\n", + usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : + "Get_Report", + usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); + + r = usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC); + if (r < 0) { + hid_err(hid, "usb_submit_urb(ctrl) failed: %d\n", r); + return r; + } + usbhid->last_ctrl = jiffies; return 0; } @@ -413,28 +455,28 @@ static void hid_irq_out(struct urb *urb) case -ENOENT: break; default: /* error */ - dev_warn(&urb->dev->dev, "output irq status %d " - "received\n", urb->status); + hid_warn(urb->dev, "output irq status %d received\n", + urb->status); } spin_lock_irqsave(&usbhid->lock, flags); - if (unplug) + if (unplug) { usbhid->outtail = usbhid->outhead; - else + } else { usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1); - if (usbhid->outhead != usbhid->outtail) { - if (hid_submit_out(hid)) { - clear_bit(HID_OUT_RUNNING, &usbhid->iofl); - wake_up(&usbhid->wait); + if (usbhid->outhead != usbhid->outtail && + hid_submit_out(hid) == 0) { + /* Successfully submitted next urb in queue */ + spin_unlock_irqrestore(&usbhid->lock, flags); + return; } - spin_unlock_irqrestore(&usbhid->lock, flags); - return; } clear_bit(HID_OUT_RUNNING, &usbhid->iofl); spin_unlock_irqrestore(&usbhid->lock, flags); + usb_autopm_put_interface_async(usbhid->intf); wake_up(&usbhid->wait); } @@ -466,26 +508,25 @@ static void hid_ctrl(struct urb *urb) case -EPIPE: /* report not available */ break; default: /* error */ - dev_warn(&urb->dev->dev, "ctrl urb status %d " - "received\n", status); + hid_warn(urb->dev, "ctrl urb status %d received\n", status); } - if (unplug) + if (unplug) { usbhid->ctrltail = usbhid->ctrlhead; - else + } else { usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1); - if (usbhid->ctrlhead != usbhid->ctrltail) { - if (hid_submit_ctrl(hid)) { - clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); - wake_up(&usbhid->wait); + if (usbhid->ctrlhead != usbhid->ctrltail && + hid_submit_ctrl(hid) == 0) { + /* Successfully submitted next urb in queue */ + spin_unlock(&usbhid->lock); + return; } - spin_unlock(&usbhid->lock); - return; } clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); spin_unlock(&usbhid->lock); + usb_autopm_put_interface_async(usbhid->intf); wake_up(&usbhid->wait); } @@ -494,52 +535,68 @@ static void __usbhid_submit_report(struct hid_device *hid, struct hid_report *re { int head; struct usbhid_device *usbhid = hid->driver_data; - int len = ((report->size - 1) >> 3) + 1 + (report->id > 0); if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN) return; if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) { if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) { - dev_warn(&hid->dev, "output queue full\n"); + hid_warn(hid, "output queue full\n"); return; } - usbhid->out[usbhid->outhead].raw_report = kmalloc(len, GFP_ATOMIC); + usbhid->out[usbhid->outhead].raw_report = hid_alloc_report_buf(report, GFP_ATOMIC); if (!usbhid->out[usbhid->outhead].raw_report) { - dev_warn(&hid->dev, "output queueing failed\n"); + hid_warn(hid, "output queueing failed\n"); return; } hid_output_report(report, usbhid->out[usbhid->outhead].raw_report); usbhid->out[usbhid->outhead].report = report; usbhid->outhead = head; - if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl)) { - if (hid_submit_out(hid)) - clear_bit(HID_OUT_RUNNING, &usbhid->iofl); - } else { + /* If the queue isn't running, restart it */ + if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) { + usbhid_restart_out_queue(usbhid); + + /* Otherwise see if an earlier request has timed out */ + } else if (time_after(jiffies, usbhid->last_out + HZ * 5)) { + + /* Prevent autosuspend following the unlink */ + usb_autopm_get_interface_no_resume(usbhid->intf); + /* - * the queue is known to run - * but an earlier request may be stuck - * we may need to time out - * no race because this is called under - * spinlock + * Prevent resubmission in case the URB completes + * before we can unlink it. We don't want to cancel + * the wrong transfer! */ - if (time_after(jiffies, usbhid->last_out + HZ * 5)) - usb_unlink_urb(usbhid->urbout); + usb_block_urb(usbhid->urbout); + + /* Drop lock to avoid deadlock if the callback runs */ + spin_unlock(&usbhid->lock); + + usb_unlink_urb(usbhid->urbout); + spin_lock(&usbhid->lock); + usb_unblock_urb(usbhid->urbout); + + /* Unlink might have stopped the queue */ + if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) + usbhid_restart_out_queue(usbhid); + + /* Now we can allow autosuspend again */ + usb_autopm_put_interface_async(usbhid->intf); } return; } if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) { - dev_warn(&hid->dev, "control queue full\n"); + hid_warn(hid, "control queue full\n"); return; } if (dir == USB_DIR_OUT) { - usbhid->ctrl[usbhid->ctrlhead].raw_report = kmalloc(len, GFP_ATOMIC); + usbhid->ctrl[usbhid->ctrlhead].raw_report = hid_alloc_report_buf(report, GFP_ATOMIC); if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) { - dev_warn(&hid->dev, "control queueing failed\n"); + hid_warn(hid, "control queueing failed\n"); return; } hid_output_report(report, usbhid->ctrl[usbhid->ctrlhead].raw_report); @@ -548,23 +605,40 @@ static void __usbhid_submit_report(struct hid_device *hid, struct hid_report *re usbhid->ctrl[usbhid->ctrlhead].dir = dir; usbhid->ctrlhead = head; - if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl)) { - if (hid_submit_ctrl(hid)) - clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); - } else { + /* If the queue isn't running, restart it */ + if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) { + usbhid_restart_ctrl_queue(usbhid); + + /* Otherwise see if an earlier request has timed out */ + } else if (time_after(jiffies, usbhid->last_ctrl + HZ * 5)) { + + /* Prevent autosuspend following the unlink */ + usb_autopm_get_interface_no_resume(usbhid->intf); + /* - * the queue is known to run - * but an earlier request may be stuck - * we may need to time out - * no race because this is called under - * spinlock + * Prevent resubmission in case the URB completes + * before we can unlink it. We don't want to cancel + * the wrong transfer! */ - if (time_after(jiffies, usbhid->last_ctrl + HZ * 5)) - usb_unlink_urb(usbhid->urbctrl); + usb_block_urb(usbhid->urbctrl); + + /* Drop lock to avoid deadlock if the callback runs */ + spin_unlock(&usbhid->lock); + + usb_unlink_urb(usbhid->urbctrl); + spin_lock(&usbhid->lock); + usb_unblock_urb(usbhid->urbctrl); + + /* Unlink might have stopped the queue */ + if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + usbhid_restart_ctrl_queue(usbhid); + + /* Now we can allow autosuspend again */ + usb_autopm_put_interface_async(usbhid->intf); } } -void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir) +static void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir) { struct usbhid_device *usbhid = hid->driver_data; unsigned long flags; @@ -573,43 +647,8 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns __usbhid_submit_report(hid, report, dir); spin_unlock_irqrestore(&usbhid->lock, flags); } -EXPORT_SYMBOL_GPL(usbhid_submit_report); -static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) -{ - struct hid_device *hid = input_get_drvdata(dev); - struct usbhid_device *usbhid = hid->driver_data; - struct hid_field *field; - unsigned long flags; - int offset; - - if (type == EV_FF) - return input_ff_event(dev, type, code, value); - - if (type != EV_LED) - return -1; - - if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { - dev_warn(&dev->dev, "event field not found\n"); - return -1; - } - - hid_set_field(field, offset, value); - if (value) { - spin_lock_irqsave(&usbhid->lock, flags); - usbhid->ledcount++; - spin_unlock_irqrestore(&usbhid->lock, flags); - } else { - spin_lock_irqsave(&usbhid->lock, flags); - usbhid->ledcount--; - spin_unlock_irqrestore(&usbhid->lock, flags); - } - usbhid_submit_report(hid, field->report, USB_DIR_OUT); - - return 0; -} - -int usbhid_wait_io(struct hid_device *hid) +static int usbhid_wait_io(struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; @@ -623,7 +662,6 @@ int usbhid_wait_io(struct hid_device *hid) return 0; } -EXPORT_SYMBOL_GPL(usbhid_wait_io); static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle) { @@ -651,25 +689,35 @@ static int hid_get_class_descriptor(struct usb_device *dev, int ifnum, int usbhid_open(struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; - int res; + int res = 0; mutex_lock(&hid_open_mut); if (!hid->open++) { res = usb_autopm_get_interface(usbhid->intf); - /* the device must be awake to reliable request remote wakeup */ + /* the device must be awake to reliably request remote wakeup */ if (res < 0) { hid->open--; - mutex_unlock(&hid_open_mut); - return -EIO; + res = -EIO; + goto done; } usbhid->intf->needs_remote_wakeup = 1; - if (hid_start_in(hid)) - hid_io_error(hid); - + res = hid_start_in(hid); + if (res) { + if (res != -ENOSPC) { + hid_io_error(hid); + res = 0; + } else { + /* no use opening if resources are insufficient */ + hid->open--; + res = -EBUSY; + usbhid->intf->needs_remote_wakeup = 0; + } + } usb_autopm_put_interface(usbhid->intf); } +done: mutex_unlock(&hid_open_mut); - return 0; + return res; } void usbhid_close(struct hid_device *hid) @@ -702,12 +750,17 @@ void usbhid_init_reports(struct hid_device *hid) { struct hid_report *report; struct usbhid_device *usbhid = hid->driver_data; + struct hid_report_enum *report_enum; int err, ret; - list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list) - usbhid_submit_report(hid, report, USB_DIR_IN); + if (!(hid->quirks & HID_QUIRK_NO_INIT_INPUT_REPORTS)) { + report_enum = &hid->report_enum[HID_INPUT_REPORT]; + list_for_each_entry(report, &report_enum->report_list, list) + usbhid_submit_report(hid, report, USB_DIR_IN); + } - list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list) + report_enum = &hid->report_enum[HID_FEATURE_REPORT]; + list_for_each_entry(report, &report_enum->report_list, list) usbhid_submit_report(hid, report, USB_DIR_IN); err = 0; @@ -722,7 +775,7 @@ void usbhid_init_reports(struct hid_device *hid) } if (err) - dev_warn(&hid->dev, "timeout initializing reports\n"); + hid_warn(hid, "timeout initializing reports\n"); } /* @@ -752,7 +805,7 @@ static int hid_find_field_early(struct hid_device *hid, unsigned int page, return -1; } -void usbhid_set_leds(struct hid_device *hid) +static void usbhid_set_leds(struct hid_device *hid) { struct hid_field *field; int offset; @@ -762,7 +815,6 @@ void usbhid_set_leds(struct hid_device *hid) usbhid_submit_report(hid, field->report, USB_DIR_OUT); } } -EXPORT_SYMBOL_GPL(usbhid_set_leds); /* * Traverse the supplied list of reports and find the longest @@ -798,52 +850,100 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid) return 0; } -static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count, +static int usbhid_get_raw_report(struct hid_device *hid, + unsigned char report_number, __u8 *buf, size_t count, unsigned char report_type) { struct usbhid_device *usbhid = hid->driver_data; struct usb_device *dev = hid_to_usb_dev(hid); struct usb_interface *intf = usbhid->intf; struct usb_host_interface *interface = intf->cur_altsetting; + int skipped_report_id = 0; int ret; - if (usbhid->urbout && report_type != HID_FEATURE_REPORT) { - int actual_length; - int skipped_report_id = 0; + /* Byte 0 is the report number. Report data starts at byte 1.*/ + buf[0] = report_number; + if (report_number == 0x0) { + /* Offset the return buffer by 1, so that the report ID + will remain in byte 0. */ + buf++; + count--; + skipped_report_id = 1; + } + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + HID_REQ_GET_REPORT, + USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + ((report_type + 1) << 8) | report_number, + interface->desc.bInterfaceNumber, buf, count, + USB_CTRL_SET_TIMEOUT); - if (buf[0] == 0x0) { - /* Don't send the Report ID */ - buf++; - count--; - skipped_report_id = 1; - } - ret = usb_interrupt_msg(dev, usbhid->urbout->pipe, - buf, count, &actual_length, - USB_CTRL_SET_TIMEOUT); - /* return the number of bytes transferred */ - if (ret == 0) { - ret = actual_length; - /* count also the report id */ - if (skipped_report_id) - ret++; - } - } else { - int skipped_report_id = 0; - int report_id = buf[0]; - if (buf[0] == 0x0) { - /* Don't send the Report ID */ - buf++; - count--; - skipped_report_id = 1; - } - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + /* count also the report id */ + if (ret > 0 && skipped_report_id) + ret++; + + return ret; +} + +static int usbhid_set_raw_report(struct hid_device *hid, unsigned int reportnum, + __u8 *buf, size_t count, unsigned char rtype) +{ + struct usbhid_device *usbhid = hid->driver_data; + struct usb_device *dev = hid_to_usb_dev(hid); + struct usb_interface *intf = usbhid->intf; + struct usb_host_interface *interface = intf->cur_altsetting; + int ret, skipped_report_id = 0; + + /* Byte 0 is the report number. Report data starts at byte 1.*/ + if ((rtype == HID_OUTPUT_REPORT) && + (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORT_ID)) + buf[0] = 0; + else + buf[0] = reportnum; + + if (buf[0] == 0x0) { + /* Don't send the Report ID */ + buf++; + count--; + skipped_report_id = 1; + } + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), HID_REQ_SET_REPORT, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - ((report_type + 1) << 8) | report_id, + ((rtype + 1) << 8) | reportnum, interface->desc.bInterfaceNumber, buf, count, USB_CTRL_SET_TIMEOUT); - /* count also the report id, if this was a numbered report. */ - if (ret > 0 && skipped_report_id) + /* count also the report id, if this was a numbered report. */ + if (ret > 0 && skipped_report_id) + ret++; + + return ret; +} + +static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count) +{ + struct usbhid_device *usbhid = hid->driver_data; + struct usb_device *dev = hid_to_usb_dev(hid); + int actual_length, skipped_report_id = 0, ret; + + if (!usbhid->urbout) + return -ENOSYS; + + if (buf[0] == 0x0) { + /* Don't send the Report ID */ + buf++; + count--; + skipped_report_id = 1; + } + + ret = usb_interrupt_msg(dev, usbhid->urbout->pipe, + buf, count, &actual_length, + USB_CTRL_SET_TIMEOUT); + /* return the number of bytes transferred */ + if (ret == 0) { + ret = actual_length; + /* count also the report id */ + if (skipped_report_id) ret++; } @@ -852,21 +952,10 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co static void usbhid_restart_queues(struct usbhid_device *usbhid) { - if (usbhid->urbout) + if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) usbhid_restart_out_queue(usbhid); - usbhid_restart_ctrl_queue(usbhid); -} - -static void __usbhid_restart_queues(struct work_struct *work) -{ - struct usbhid_device *usbhid = - container_of(work, struct usbhid_device, restart_work); - int r; - - r = usb_autopm_get_interface(usbhid->intf); - if (r < 0) - return; - usb_autopm_put_interface(usbhid->intf); + if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + usbhid_restart_ctrl_queue(usbhid); } static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) @@ -1077,7 +1166,7 @@ static void usbhid_stop(struct hid_device *hid) return; clear_bit(HID_STARTED, &usbhid->iofl); - spin_lock_irq(&usbhid->lock); /* Sync with error handler */ + spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ set_bit(HID_DISCONNECTED, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); usb_kill_urb(usbhid->urbin); @@ -1113,6 +1202,46 @@ static int usbhid_power(struct hid_device *hid, int lvl) return r; } +static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + usbhid_submit_report(hid, rep, USB_DIR_IN); + break; + case HID_REQ_SET_REPORT: + usbhid_submit_report(hid, rep, USB_DIR_OUT); + break; + } +} + +static int usbhid_raw_request(struct hid_device *hid, unsigned char reportnum, + __u8 *buf, size_t len, unsigned char rtype, + int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + return usbhid_get_raw_report(hid, reportnum, buf, len, rtype); + case HID_REQ_SET_REPORT: + return usbhid_set_raw_report(hid, reportnum, buf, len, rtype); + default: + return -EIO; + } +} + +static int usbhid_idle(struct hid_device *hid, int report, int idle, + int reqtype) +{ + struct usb_device *dev = hid_to_usb_dev(hid); + struct usb_interface *intf = to_usb_interface(hid->dev.parent); + struct usb_host_interface *interface = intf->cur_altsetting; + int ifnum = interface->desc.bInterfaceNumber; + + if (reqtype != HID_REQ_SET_IDLE) + return -EINVAL; + + return hid_set_idle(dev, ifnum, report, idle); +} + static struct hid_ll_driver usb_hid_driver = { .parse = usbhid_parse, .start = usbhid_start, @@ -1120,7 +1249,11 @@ static struct hid_ll_driver usb_hid_driver = { .open = usbhid_open, .close = usbhid_close, .power = usbhid_power, - .hidinput_input_event = usb_hidinput_input_event, + .request = usbhid_request, + .wait = usbhid_wait_io, + .raw_request = usbhid_raw_request, + .output_report = usbhid_output_report, + .idle = usbhid_idle, }; static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id) @@ -1140,8 +1273,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id * if (usb_endpoint_is_int_in(&interface->endpoint[n].desc)) has_in++; if (!has_in) { - dev_err(&intf->dev, "couldn't find an input interrupt " - "endpoint\n"); + hid_err(intf, "couldn't find an input interrupt endpoint\n"); return -ENODEV; } @@ -1151,7 +1283,6 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id * usb_set_intfdata(intf, hid); hid->ll_driver = &usb_hid_driver; - hid->hid_output_raw_report = usbhid_output_raw_report; hid->ff_init = hid_pidff_init; #ifdef CONFIG_USB_HIDDEV hid->hiddev_connect = hiddev_connect; @@ -1168,6 +1299,8 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id * if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) hid->type = HID_TYPE_USBMOUSE; + else if (intf->cur_altsetting->desc.bInterfaceProtocol == 0) + hid->type = HID_TYPE_USBNONE; if (dev->manufacturer) strlcpy(hid->name, dev->manufacturer, sizeof(hid->name)); @@ -1206,14 +1339,13 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id * init_waitqueue_head(&usbhid->wait); INIT_WORK(&usbhid->reset_work, hid_reset); - INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues); setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid); spin_lock_init(&usbhid->lock); ret = hid_add_device(hid); if (ret) { if (ret != -ENODEV) - dev_err(&intf->dev, "can't add hid device: %d\n", ret); + hid_err(intf, "can't add hid device: %d\n", ret); goto err_free; } @@ -1241,13 +1373,12 @@ static void usbhid_disconnect(struct usb_interface *intf) static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) { del_timer_sync(&usbhid->io_retry); - cancel_work_sync(&usbhid->restart_work); cancel_work_sync(&usbhid->reset_work); } static void hid_cease_io(struct usbhid_device *usbhid) { - del_timer(&usbhid->io_retry); + del_timer_sync(&usbhid->io_retry); usb_kill_urb(usbhid->urbin); usb_kill_urb(usbhid->urbctrl); usb_kill_urb(usbhid->urbout); @@ -1262,7 +1393,6 @@ static int hid_pre_reset(struct usb_interface *intf) spin_lock_irq(&usbhid->lock); set_bit(HID_RESET_PENDING, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); - cancel_work_sync(&usbhid->restart_work); hid_cease_io(usbhid); return 0; @@ -1274,7 +1404,34 @@ static int hid_post_reset(struct usb_interface *intf) struct usb_device *dev = interface_to_usbdev (intf); struct hid_device *hid = usb_get_intfdata(intf); struct usbhid_device *usbhid = hid->driver_data; + struct usb_host_interface *interface = intf->cur_altsetting; int status; + char *rdesc; + + /* Fetch and examine the HID report descriptor. If this + * has changed, then rebind. Since usbcore's check of the + * configuration descriptors passed, we already know that + * the size of the HID report descriptor has not changed. + */ + rdesc = kmalloc(hid->dev_rsize, GFP_KERNEL); + if (!rdesc) { + dbg_hid("couldn't allocate rdesc memory (post_reset)\n"); + return 1; + } + status = hid_get_class_descriptor(dev, + interface->desc.bInterfaceNumber, + HID_DT_REPORT, rdesc, hid->dev_rsize); + if (status < 0) { + dbg_hid("reading report descriptor failed (post_reset)\n"); + kfree(rdesc); + return 1; + } + status = memcmp(rdesc, hid->dev_rdesc, hid->dev_rsize); + kfree(rdesc); + if (status != 0) { + dbg_hid("report descriptor changed\n"); + return 1; + } spin_lock_irq(&usbhid->lock); clear_bit(HID_RESET_PENDING, &usbhid->iofl); @@ -1304,28 +1461,58 @@ void usbhid_put_power(struct hid_device *hid) #ifdef CONFIG_PM +static int hid_resume_common(struct hid_device *hid, bool driver_suspended) +{ + struct usbhid_device *usbhid = hid->driver_data; + int status; + + spin_lock_irq(&usbhid->lock); + clear_bit(HID_SUSPENDED, &usbhid->iofl); + usbhid_mark_busy(usbhid); + + if (test_bit(HID_CLEAR_HALT, &usbhid->iofl) || + test_bit(HID_RESET_PENDING, &usbhid->iofl)) + schedule_work(&usbhid->reset_work); + usbhid->retry_delay = 0; + + usbhid_restart_queues(usbhid); + spin_unlock_irq(&usbhid->lock); + + status = hid_start_in(hid); + if (status < 0) + hid_io_error(hid); + + if (driver_suspended && hid->driver && hid->driver->resume) + status = hid->driver->resume(hid); + return status; +} + static int hid_suspend(struct usb_interface *intf, pm_message_t message) { struct hid_device *hid = usb_get_intfdata(intf); struct usbhid_device *usbhid = hid->driver_data; - int status; + int status = 0; + bool driver_suspended = false; + unsigned int ledcount; - if (message.event & PM_EVENT_AUTO) { + if (PMSG_IS_AUTO(message)) { + ledcount = hidinput_count_leds(hid); spin_lock_irq(&usbhid->lock); /* Sync with error handler */ if (!test_bit(HID_RESET_PENDING, &usbhid->iofl) && !test_bit(HID_CLEAR_HALT, &usbhid->iofl) && !test_bit(HID_OUT_RUNNING, &usbhid->iofl) && !test_bit(HID_CTRL_RUNNING, &usbhid->iofl) && !test_bit(HID_KEYS_PRESSED, &usbhid->iofl) - && (!usbhid->ledcount || ignoreled)) + && (!ledcount || ignoreled)) { - set_bit(HID_REPORTED_IDLE, &usbhid->iofl); + set_bit(HID_SUSPENDED, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); if (hid->driver && hid->driver->suspend) { status = hid->driver->suspend(hid, message); if (status < 0) - return status; + goto failed; } + driver_suspended = true; } else { usbhid_mark_busy(usbhid); spin_unlock_irq(&usbhid->lock); @@ -1333,42 +1520,31 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message) } } else { - if (hid->driver && hid->driver->suspend) { + /* TODO: resume() might need to handle suspend failure */ + if (hid->driver && hid->driver->suspend) status = hid->driver->suspend(hid, message); - if (status < 0) - return status; - } + driver_suspended = true; spin_lock_irq(&usbhid->lock); - set_bit(HID_REPORTED_IDLE, &usbhid->iofl); + set_bit(HID_SUSPENDED, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); if (usbhid_wait_io(hid) < 0) - return -EIO; - } - - if (!ignoreled && (message.event & PM_EVENT_AUTO)) { - spin_lock_irq(&usbhid->lock); - if (test_bit(HID_LED_ON, &usbhid->iofl)) { - spin_unlock_irq(&usbhid->lock); - usbhid_mark_busy(usbhid); - return -EBUSY; - } - spin_unlock_irq(&usbhid->lock); + status = -EIO; } hid_cancel_delayed_stuff(usbhid); hid_cease_io(usbhid); - if ((message.event & PM_EVENT_AUTO) && - test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) { + if (PMSG_IS_AUTO(message) && test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) { /* lost race against keypresses */ - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); - usbhid_mark_busy(usbhid); - return -EBUSY; + status = -EBUSY; + goto failed; } dev_dbg(&intf->dev, "suspend\n"); - return 0; + return status; + + failed: + hid_resume_common(hid, driver_suspended); + return status; } static int hid_resume(struct usb_interface *intf) @@ -1380,23 +1556,7 @@ static int hid_resume(struct usb_interface *intf) if (!test_bit(HID_STARTED, &usbhid->iofl)) return 0; - clear_bit(HID_REPORTED_IDLE, &usbhid->iofl); - usbhid_mark_busy(usbhid); - - if (test_bit(HID_CLEAR_HALT, &usbhid->iofl) || - test_bit(HID_RESET_PENDING, &usbhid->iofl)) - schedule_work(&usbhid->reset_work); - usbhid->retry_delay = 0; - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); - usbhid_restart_queues(usbhid); - - if (status >= 0 && hid->driver && hid->driver->resume) { - int ret = hid->driver->resume(hid); - if (ret < 0) - status = ret; - } + status = hid_resume_common(hid, true); dev_dbg(&intf->dev, "resume status %d\n", status); return 0; } @@ -1407,7 +1567,7 @@ static int hid_reset_resume(struct usb_interface *intf) struct usbhid_device *usbhid = hid->driver_data; int status; - clear_bit(HID_REPORTED_IDLE, &usbhid->iofl); + clear_bit(HID_SUSPENDED, &usbhid->iofl); status = hid_post_reset(intf); if (status >= 0 && hid->driver && hid->driver->reset_resume) { int ret = hid->driver->reset_resume(hid); @@ -1442,31 +1602,15 @@ static struct usb_driver hid_driver = { .supports_autosuspend = 1, }; -static const struct hid_device_id hid_usb_table[] = { - { HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) }, - { } -}; - struct usb_interface *usbhid_find_interface(int minor) { return usb_find_interface(&hid_driver, minor); } -static struct hid_driver hid_usb_driver = { - .name = "generic-usb", - .id_table = hid_usb_table, -}; - static int __init hid_init(void) { int retval = -ENOMEM; - resumption_waker = create_freezeable_workqueue("usbhid_resumer"); - if (!resumption_waker) - goto no_queue; - retval = hid_register_driver(&hid_usb_driver); - if (retval) - goto hid_register_fail; retval = usbhid_quirks_init(quirks_param); if (retval) goto usbhid_quirks_init_fail; @@ -1479,10 +1623,6 @@ static int __init hid_init(void) usb_register_fail: usbhid_quirks_exit(); usbhid_quirks_init_fail: - hid_unregister_driver(&hid_usb_driver); -hid_register_fail: - destroy_workqueue(resumption_waker); -no_queue: return retval; } @@ -1490,8 +1630,6 @@ static void __exit hid_exit(void) { usb_deregister(&hid_driver); usbhid_quirks_exit(); - hid_unregister_driver(&hid_usb_driver); - destroy_workqueue(resumption_waker); } module_init(hid_init); diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c index ef381d79cfa..10b61670278 100644 --- a/drivers/hid/usbhid/hid-pidff.c +++ b/drivers/hid/usbhid/hid-pidff.c @@ -22,7 +22,7 @@ /* #define DEBUG */ -#define debug(format, arg...) pr_debug("hid-pidff: " format "\n" , ## arg) +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/input.h> #include <linux/slab.h> @@ -220,7 +220,7 @@ static int pidff_rescale_signed(int i, struct hid_field *field) static void pidff_set(struct pidff_usage *usage, u16 value) { usage->value[0] = pidff_rescale(value, 0xffff, usage->field); - debug("calculated from %d to %d", value, usage->value[0]); + pr_debug("calculated from %d to %d\n", value, usage->value[0]); } static void pidff_set_signed(struct pidff_usage *usage, s16 value) @@ -235,7 +235,7 @@ static void pidff_set_signed(struct pidff_usage *usage, s16 value) usage->value[0] = pidff_rescale(value, 0x7fff, usage->field); } - debug("calculated from %d to %d", value, usage->value[0]); + pr_debug("calculated from %d to %d\n", value, usage->value[0]); } /* @@ -259,11 +259,12 @@ static void pidff_set_envelope_report(struct pidff_device *pidff, pidff->set_envelope[PID_ATTACK_TIME].value[0] = envelope->attack_length; pidff->set_envelope[PID_FADE_TIME].value[0] = envelope->fade_length; - debug("attack %u => %d", envelope->attack_level, - pidff->set_envelope[PID_ATTACK_LEVEL].value[0]); + hid_dbg(pidff->hid, "attack %u => %d\n", + envelope->attack_level, + pidff->set_envelope[PID_ATTACK_LEVEL].value[0]); - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_ENVELOPE], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_ENVELOPE], + HID_REQ_SET_REPORT); } /* @@ -289,8 +290,8 @@ static void pidff_set_constant_force_report(struct pidff_device *pidff, pidff_set_signed(&pidff->set_constant[PID_MAGNITUDE], effect->u.constant.level); - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_CONSTANT], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_CONSTANT], + HID_REQ_SET_REPORT); } /* @@ -324,8 +325,8 @@ static void pidff_set_effect_report(struct pidff_device *pidff, pidff->effect_direction); pidff->set_effect[PID_START_DELAY].value[0] = effect->replay.delay; - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_EFFECT], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_EFFECT], + HID_REQ_SET_REPORT); } /* @@ -356,8 +357,8 @@ static void pidff_set_periodic_report(struct pidff_device *pidff, pidff_set(&pidff->set_periodic[PID_PHASE], effect->u.periodic.phase); pidff->set_periodic[PID_PERIOD].value[0] = effect->u.periodic.period; - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_PERIODIC], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_PERIODIC], + HID_REQ_SET_REPORT); } @@ -398,8 +399,8 @@ static void pidff_set_condition_report(struct pidff_device *pidff, effect->u.condition[i].left_saturation); pidff_set(&pidff->set_condition[PID_DEAD_BAND], effect->u.condition[i].deadband); - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_CONDITION], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_CONDITION], + HID_REQ_SET_REPORT); } } @@ -439,8 +440,8 @@ static void pidff_set_ramp_force_report(struct pidff_device *pidff, effect->u.ramp.start_level); pidff_set_signed(&pidff->set_ramp[PID_RAMP_END], effect->u.ramp.end_level); - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_RAMP], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_RAMP], + HID_REQ_SET_REPORT); } /* @@ -464,35 +465,35 @@ static int pidff_request_effect_upload(struct pidff_device *pidff, int efnum) int j; pidff->create_new_effect_type->value[0] = efnum; - usbhid_submit_report(pidff->hid, pidff->reports[PID_CREATE_NEW_EFFECT], - USB_DIR_OUT); - debug("create_new_effect sent, type: %d", efnum); + hid_hw_request(pidff->hid, pidff->reports[PID_CREATE_NEW_EFFECT], + HID_REQ_SET_REPORT); + hid_dbg(pidff->hid, "create_new_effect sent, type: %d\n", efnum); pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0] = 0; pidff->block_load_status->value[0] = 0; - usbhid_wait_io(pidff->hid); + hid_hw_wait(pidff->hid); for (j = 0; j < 60; j++) { - debug("pid_block_load requested"); - usbhid_submit_report(pidff->hid, pidff->reports[PID_BLOCK_LOAD], - USB_DIR_IN); - usbhid_wait_io(pidff->hid); + hid_dbg(pidff->hid, "pid_block_load requested\n"); + hid_hw_request(pidff->hid, pidff->reports[PID_BLOCK_LOAD], + HID_REQ_GET_REPORT); + hid_hw_wait(pidff->hid); if (pidff->block_load_status->value[0] == pidff->status_id[PID_BLOCK_LOAD_SUCCESS]) { - debug("device reported free memory: %d bytes", - pidff->block_load[PID_RAM_POOL_AVAILABLE].value ? - pidff->block_load[PID_RAM_POOL_AVAILABLE].value[0] : -1); + hid_dbg(pidff->hid, "device reported free memory: %d bytes\n", + pidff->block_load[PID_RAM_POOL_AVAILABLE].value ? + pidff->block_load[PID_RAM_POOL_AVAILABLE].value[0] : -1); return 0; } if (pidff->block_load_status->value[0] == pidff->status_id[PID_BLOCK_LOAD_FULL]) { - debug("not enough memory free: %d bytes", - pidff->block_load[PID_RAM_POOL_AVAILABLE].value ? + hid_dbg(pidff->hid, "not enough memory free: %d bytes\n", + pidff->block_load[PID_RAM_POOL_AVAILABLE].value ? pidff->block_load[PID_RAM_POOL_AVAILABLE].value[0] : -1); return -ENOSPC; } } - printk(KERN_ERR "hid-pidff: pid_block_load failed 60 times\n"); + hid_err(pidff->hid, "pid_block_load failed 60 times\n"); return -EIO; } @@ -512,8 +513,8 @@ static void pidff_playback_pid(struct pidff_device *pidff, int pid_id, int n) pidff->effect_operation[PID_LOOP_COUNT].value[0] = n; } - usbhid_submit_report(pidff->hid, pidff->reports[PID_EFFECT_OPERATION], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_EFFECT_OPERATION], + HID_REQ_SET_REPORT); } /** @@ -534,8 +535,8 @@ static int pidff_playback(struct input_dev *dev, int effect_id, int value) static void pidff_erase_pid(struct pidff_device *pidff, int pid_id) { pidff->block_free[PID_EFFECT_BLOCK_INDEX].value[0] = pid_id; - usbhid_submit_report(pidff->hid, pidff->reports[PID_BLOCK_FREE], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_BLOCK_FREE], + HID_REQ_SET_REPORT); } /* @@ -546,10 +547,11 @@ static int pidff_erase_effect(struct input_dev *dev, int effect_id) struct pidff_device *pidff = dev->ff->private; int pid_id = pidff->pid_id[effect_id]; - debug("starting to erase %d/%d", effect_id, pidff->pid_id[effect_id]); + hid_dbg(pidff->hid, "starting to erase %d/%d\n", + effect_id, pidff->pid_id[effect_id]); /* Wait for the queue to clear. We do not want a full fifo to prevent the effect removal. */ - usbhid_wait_io(pidff->hid); + hid_hw_wait(pidff->hid); pidff_playback_pid(pidff, pid_id, 0); pidff_erase_pid(pidff, pid_id); @@ -604,8 +606,7 @@ static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect, type_id = PID_SAW_DOWN; break; default: - printk(KERN_ERR - "hid-pidff: invalid waveform\n"); + hid_err(pidff->hid, "invalid waveform\n"); return -EINVAL; } @@ -696,7 +697,7 @@ static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect, break; default: - printk(KERN_ERR "hid-pidff: invalid type\n"); + hid_err(pidff->hid, "invalid type\n"); return -EINVAL; } @@ -704,7 +705,7 @@ static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect, pidff->pid_id[effect->id] = pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; - debug("uploaded"); + hid_dbg(pidff->hid, "uploaded\n"); return 0; } @@ -717,8 +718,8 @@ static void pidff_set_gain(struct input_dev *dev, u16 gain) struct pidff_device *pidff = dev->ff->private; pidff_set(&pidff->device_gain[PID_DEVICE_GAIN_FIELD], gain); - usbhid_submit_report(pidff->hid, pidff->reports[PID_DEVICE_GAIN], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_DEVICE_GAIN], + HID_REQ_SET_REPORT); } static void pidff_autocenter(struct pidff_device *pidff, u16 magnitude) @@ -743,8 +744,8 @@ static void pidff_autocenter(struct pidff_device *pidff, u16 magnitude) pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = 1; pidff->set_effect[PID_START_DELAY].value[0] = 0; - usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_EFFECT], - USB_DIR_OUT); + hid_hw_request(pidff->hid, pidff->reports[PID_SET_EFFECT], + HID_REQ_SET_REPORT); } /* @@ -770,14 +771,14 @@ static int pidff_find_fields(struct pidff_usage *usage, const u8 *table, for (i = 0; i < report->maxfield; i++) { if (report->field[i]->maxusage != report->field[i]->report_count) { - debug("maxusage and report_count do not match, " - "skipping"); + pr_debug("maxusage and report_count do not match, skipping\n"); continue; } for (j = 0; j < report->field[i]->maxusage; j++) { if (report->field[i]->usage[j].hid == (HID_UP_PID | table[k])) { - debug("found %d at %d->%d", k, i, j); + pr_debug("found %d at %d->%d\n", + k, i, j); usage[k].field = report->field[i]; usage[k].value = &report->field[i]->value[j]; @@ -789,7 +790,7 @@ static int pidff_find_fields(struct pidff_usage *usage, const u8 *table, break; } if (!found && strict) { - debug("failed to locate %d", k); + pr_debug("failed to locate %d\n", k); return -1; } } @@ -826,8 +827,8 @@ static void pidff_find_reports(struct hid_device *hid, int report_type, continue; ret = pidff_check_usage(report->field[0]->logical); if (ret != -1) { - debug("found usage 0x%02x from field->logical", - pidff_reports[ret]); + hid_dbg(hid, "found usage 0x%02x from field->logical\n", + pidff_reports[ret]); pidff->reports[ret] = report; continue; } @@ -845,8 +846,9 @@ static void pidff_find_reports(struct hid_device *hid, int report_type, continue; ret = pidff_check_usage(hid->collection[i - 1].usage); if (ret != -1 && !pidff->reports[ret]) { - debug("found usage 0x%02x from collection array", - pidff_reports[ret]); + hid_dbg(hid, + "found usage 0x%02x from collection array\n", + pidff_reports[ret]); pidff->reports[ret] = report; } } @@ -861,7 +863,7 @@ static int pidff_reports_ok(struct pidff_device *pidff) for (i = 0; i <= PID_REQUIRED_REPORTS; i++) { if (!pidff->reports[i]) { - debug("%d missing", i); + hid_dbg(pidff->hid, "%d missing\n", i); return 0; } } @@ -884,8 +886,7 @@ static struct hid_field *pidff_find_special_field(struct hid_report *report, report->field[i]->logical_minimum == 1) return report->field[i]; else { - printk(KERN_ERR "hid-pidff: logical_minimum " - "is not 1 as it should be\n"); + pr_err("logical_minimum is not 1 as it should be\n"); return NULL; } } @@ -924,7 +925,7 @@ static int pidff_find_special_keys(int *keys, struct hid_field *fld, */ static int pidff_find_special_fields(struct pidff_device *pidff) { - debug("finding special fields"); + hid_dbg(pidff->hid, "finding special fields\n"); pidff->create_new_effect_type = pidff_find_special_field(pidff->reports[PID_CREATE_NEW_EFFECT], @@ -945,32 +946,30 @@ static int pidff_find_special_fields(struct pidff_device *pidff) pidff_find_special_field(pidff->reports[PID_EFFECT_OPERATION], 0x78, 1); - debug("search done"); + hid_dbg(pidff->hid, "search done\n"); if (!pidff->create_new_effect_type || !pidff->set_effect_type) { - printk(KERN_ERR "hid-pidff: effect lists not found\n"); + hid_err(pidff->hid, "effect lists not found\n"); return -1; } if (!pidff->effect_direction) { - printk(KERN_ERR "hid-pidff: direction field not found\n"); + hid_err(pidff->hid, "direction field not found\n"); return -1; } if (!pidff->device_control) { - printk(KERN_ERR "hid-pidff: device control field not found\n"); + hid_err(pidff->hid, "device control field not found\n"); return -1; } if (!pidff->block_load_status) { - printk(KERN_ERR - "hid-pidff: block load status field not found\n"); + hid_err(pidff->hid, "block load status field not found\n"); return -1; } if (!pidff->effect_operation_status) { - printk(KERN_ERR - "hid-pidff: effect operation field not found\n"); + hid_err(pidff->hid, "effect operation field not found\n"); return -1; } @@ -982,23 +981,22 @@ static int pidff_find_special_fields(struct pidff_device *pidff) if (!PIDFF_FIND_SPECIAL_KEYS(type_id, create_new_effect_type, effect_types)) { - printk(KERN_ERR "hid-pidff: no effect types found\n"); + hid_err(pidff->hid, "no effect types found\n"); return -1; } if (PIDFF_FIND_SPECIAL_KEYS(status_id, block_load_status, block_load_status) != sizeof(pidff_block_load_status)) { - printk(KERN_ERR - "hidpidff: block load status identifiers not found\n"); + hid_err(pidff->hid, + "block load status identifiers not found\n"); return -1; } if (PIDFF_FIND_SPECIAL_KEYS(operation_id, effect_operation_status, effect_operation_status) != sizeof(pidff_effect_operation_status)) { - printk(KERN_ERR - "hidpidff: effect operation identifiers not found\n"); + hid_err(pidff->hid, "effect operation identifiers not found\n"); return -1; } @@ -1017,8 +1015,8 @@ static int pidff_find_effects(struct pidff_device *pidff, int pidff_type = pidff->type_id[i]; if (pidff->set_effect_type->usage[pidff_type].hid != pidff->create_new_effect_type->usage[pidff_type].hid) { - printk(KERN_ERR "hid-pidff: " - "effect type number %d is invalid\n", i); + hid_err(pidff->hid, + "effect type number %d is invalid\n", i); return -1; } } @@ -1073,27 +1071,23 @@ static int pidff_init_fields(struct pidff_device *pidff, struct input_dev *dev) int envelope_ok = 0; if (PIDFF_FIND_FIELDS(set_effect, PID_SET_EFFECT, 1)) { - printk(KERN_ERR - "hid-pidff: unknown set_effect report layout\n"); + hid_err(pidff->hid, "unknown set_effect report layout\n"); return -ENODEV; } PIDFF_FIND_FIELDS(block_load, PID_BLOCK_LOAD, 0); if (!pidff->block_load[PID_EFFECT_BLOCK_INDEX].value) { - printk(KERN_ERR - "hid-pidff: unknown pid_block_load report layout\n"); + hid_err(pidff->hid, "unknown pid_block_load report layout\n"); return -ENODEV; } if (PIDFF_FIND_FIELDS(effect_operation, PID_EFFECT_OPERATION, 1)) { - printk(KERN_ERR - "hid-pidff: unknown effect_operation report layout\n"); + hid_err(pidff->hid, "unknown effect_operation report layout\n"); return -ENODEV; } if (PIDFF_FIND_FIELDS(block_free, PID_BLOCK_FREE, 1)) { - printk(KERN_ERR - "hid-pidff: unknown pid_block_free report layout\n"); + hid_err(pidff->hid, "unknown pid_block_free report layout\n"); return -ENODEV; } @@ -1105,27 +1099,26 @@ static int pidff_init_fields(struct pidff_device *pidff, struct input_dev *dev) if (!envelope_ok) { if (test_and_clear_bit(FF_CONSTANT, dev->ffbit)) - printk(KERN_WARNING "hid-pidff: " - "has constant effect but no envelope\n"); + hid_warn(pidff->hid, + "has constant effect but no envelope\n"); if (test_and_clear_bit(FF_RAMP, dev->ffbit)) - printk(KERN_WARNING "hid-pidff: " - "has ramp effect but no envelope\n"); + hid_warn(pidff->hid, + "has ramp effect but no envelope\n"); if (test_and_clear_bit(FF_PERIODIC, dev->ffbit)) - printk(KERN_WARNING "hid-pidff: " - "has periodic effect but no envelope\n"); + hid_warn(pidff->hid, + "has periodic effect but no envelope\n"); } if (test_bit(FF_CONSTANT, dev->ffbit) && PIDFF_FIND_FIELDS(set_constant, PID_SET_CONSTANT, 1)) { - printk(KERN_WARNING - "hid-pidff: unknown constant effect layout\n"); + hid_warn(pidff->hid, "unknown constant effect layout\n"); clear_bit(FF_CONSTANT, dev->ffbit); } if (test_bit(FF_RAMP, dev->ffbit) && PIDFF_FIND_FIELDS(set_ramp, PID_SET_RAMP, 1)) { - printk(KERN_WARNING "hid-pidff: unknown ramp effect layout\n"); + hid_warn(pidff->hid, "unknown ramp effect layout\n"); clear_bit(FF_RAMP, dev->ffbit); } @@ -1134,8 +1127,7 @@ static int pidff_init_fields(struct pidff_device *pidff, struct input_dev *dev) test_bit(FF_FRICTION, dev->ffbit) || test_bit(FF_INERTIA, dev->ffbit)) && PIDFF_FIND_FIELDS(set_condition, PID_SET_CONDITION, 1)) { - printk(KERN_WARNING - "hid-pidff: unknown condition effect layout\n"); + hid_warn(pidff->hid, "unknown condition effect layout\n"); clear_bit(FF_SPRING, dev->ffbit); clear_bit(FF_DAMPER, dev->ffbit); clear_bit(FF_FRICTION, dev->ffbit); @@ -1144,8 +1136,7 @@ static int pidff_init_fields(struct pidff_device *pidff, struct input_dev *dev) if (test_bit(FF_PERIODIC, dev->ffbit) && PIDFF_FIND_FIELDS(set_periodic, PID_SET_PERIODIC, 1)) { - printk(KERN_WARNING - "hid-pidff: unknown periodic effect layout\n"); + hid_warn(pidff->hid, "unknown periodic effect layout\n"); clear_bit(FF_PERIODIC, dev->ffbit); } @@ -1167,32 +1158,32 @@ static void pidff_reset(struct pidff_device *pidff) pidff->device_control->value[0] = pidff->control_id[PID_RESET]; /* We reset twice as sometimes hid_wait_io isn't waiting long enough */ - usbhid_submit_report(hid, pidff->reports[PID_DEVICE_CONTROL], USB_DIR_OUT); - usbhid_wait_io(hid); - usbhid_submit_report(hid, pidff->reports[PID_DEVICE_CONTROL], USB_DIR_OUT); - usbhid_wait_io(hid); + hid_hw_request(hid, pidff->reports[PID_DEVICE_CONTROL], HID_REQ_SET_REPORT); + hid_hw_wait(hid); + hid_hw_request(hid, pidff->reports[PID_DEVICE_CONTROL], HID_REQ_SET_REPORT); + hid_hw_wait(hid); pidff->device_control->value[0] = pidff->control_id[PID_ENABLE_ACTUATORS]; - usbhid_submit_report(hid, pidff->reports[PID_DEVICE_CONTROL], USB_DIR_OUT); - usbhid_wait_io(hid); + hid_hw_request(hid, pidff->reports[PID_DEVICE_CONTROL], HID_REQ_SET_REPORT); + hid_hw_wait(hid); /* pool report is sometimes messed up, refetch it */ - usbhid_submit_report(hid, pidff->reports[PID_POOL], USB_DIR_IN); - usbhid_wait_io(hid); + hid_hw_request(hid, pidff->reports[PID_POOL], HID_REQ_GET_REPORT); + hid_hw_wait(hid); if (pidff->pool[PID_SIMULTANEOUS_MAX].value) { while (pidff->pool[PID_SIMULTANEOUS_MAX].value[0] < 2) { if (i++ > 20) { - printk(KERN_WARNING "hid-pidff: device reports " - "%d simultaneous effects\n", - pidff->pool[PID_SIMULTANEOUS_MAX].value[0]); + hid_warn(pidff->hid, + "device reports %d simultaneous effects\n", + pidff->pool[PID_SIMULTANEOUS_MAX].value[0]); break; } - debug("pid_pool requested again"); - usbhid_submit_report(hid, pidff->reports[PID_POOL], - USB_DIR_IN); - usbhid_wait_io(hid); + hid_dbg(pidff->hid, "pid_pool requested again\n"); + hid_hw_request(hid, pidff->reports[PID_POOL], + HID_REQ_GET_REPORT); + hid_hw_wait(hid); } } } @@ -1215,7 +1206,7 @@ static int pidff_check_autocenter(struct pidff_device *pidff, error = pidff_request_effect_upload(pidff, 1); if (error) { - printk(KERN_ERR "hid-pidff: upload request failed\n"); + hid_err(pidff->hid, "upload request failed\n"); return error; } @@ -1224,8 +1215,8 @@ static int pidff_check_autocenter(struct pidff_device *pidff, pidff_autocenter(pidff, 0xffff); set_bit(FF_AUTOCENTER, dev->ffbit); } else { - printk(KERN_NOTICE "hid-pidff: " - "device has unknown autocenter control method\n"); + hid_notice(pidff->hid, + "device has unknown autocenter control method\n"); } pidff_erase_pid(pidff, @@ -1248,10 +1239,10 @@ int hid_pidff_init(struct hid_device *hid) int max_effects; int error; - debug("starting pid init"); + hid_dbg(hid, "starting pid init\n"); if (list_empty(&hid->report_enum[HID_OUTPUT_REPORT].report_list)) { - debug("not a PID device, no output report"); + hid_dbg(hid, "not a PID device, no output report\n"); return -ENODEV; } @@ -1265,7 +1256,7 @@ int hid_pidff_init(struct hid_device *hid) pidff_find_reports(hid, HID_FEATURE_REPORT, pidff); if (!pidff_reports_ok(pidff)) { - debug("reports not ok, aborting"); + hid_dbg(hid, "reports not ok, aborting\n"); error = -ENODEV; goto fail; } @@ -1278,8 +1269,8 @@ int hid_pidff_init(struct hid_device *hid) if (test_bit(FF_GAIN, dev->ffbit)) { pidff_set(&pidff->device_gain[PID_DEVICE_GAIN_FIELD], 0xffff); - usbhid_submit_report(pidff->hid, pidff->reports[PID_DEVICE_GAIN], - USB_DIR_OUT); + hid_hw_request(hid, pidff->reports[PID_DEVICE_GAIN], + HID_REQ_SET_REPORT); } error = pidff_check_autocenter(pidff, dev); @@ -1290,23 +1281,23 @@ int hid_pidff_init(struct hid_device *hid) pidff->block_load[PID_EFFECT_BLOCK_INDEX].field->logical_maximum - pidff->block_load[PID_EFFECT_BLOCK_INDEX].field->logical_minimum + 1; - debug("max effects is %d", max_effects); + hid_dbg(hid, "max effects is %d\n", max_effects); if (max_effects > PID_EFFECTS_MAX) max_effects = PID_EFFECTS_MAX; if (pidff->pool[PID_SIMULTANEOUS_MAX].value) - debug("max simultaneous effects is %d", - pidff->pool[PID_SIMULTANEOUS_MAX].value[0]); + hid_dbg(hid, "max simultaneous effects is %d\n", + pidff->pool[PID_SIMULTANEOUS_MAX].value[0]); if (pidff->pool[PID_RAM_POOL_SIZE].value) - debug("device memory size is %d bytes", - pidff->pool[PID_RAM_POOL_SIZE].value[0]); + hid_dbg(hid, "device memory size is %d bytes\n", + pidff->pool[PID_RAM_POOL_SIZE].value[0]); if (pidff->pool[PID_DEVICE_MANAGED_POOL].value && pidff->pool[PID_DEVICE_MANAGED_POOL].value[0] == 0) { - printk(KERN_NOTICE "hid-pidff: " - "device does not support device managed pool\n"); + hid_notice(hid, + "device does not support device managed pool\n"); goto fail; } @@ -1322,8 +1313,7 @@ int hid_pidff_init(struct hid_device *hid) ff->set_autocenter = pidff_set_autocenter; ff->playback = pidff_playback; - printk(KERN_INFO "Force feedback for USB HID PID devices by " - "Anssi Hannula <anssi.hannula@gmail.com>\n"); + hid_info(dev, "Force feedback for USB HID PID devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); return 0; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 2c185477eeb..31e6727cd00 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -16,6 +16,7 @@ */ #include <linux/hid.h> +#include <linux/export.h> #include <linux/slab.h> #include "../hid-ids.h" @@ -35,7 +36,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET }, { USB_VENDOR_ID_MOJO, USB_DEVICE_ID_RETRO_ADAPTER, HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, @@ -47,44 +47,83 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, + { USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH_2968, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_THROTTLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_NEXIO, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1610, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1640, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_REALTEK, USB_DEVICE_ID_REALTEK_READER, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS9200_TOUCH, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS817_TOUCH, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS_TS, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS1030_TOUCH, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH, HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, + { USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE }, { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_DUOSENSE, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS1, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_HD, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103, HID_QUIRK_NO_INIT_REPORTS }, { 0, 0 } }; diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index fedd88df9a1..2f1ddca6f2e 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -29,12 +29,12 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/input.h> #include <linux/usb.h> #include <linux/hid.h> #include <linux/hiddev.h> #include <linux/compat.h> +#include <linux/vmalloc.h> #include "usbhid.h" #ifdef CONFIG_USB_DYNAMIC_MINORS @@ -243,16 +243,21 @@ static int hiddev_release(struct inode * inode, struct file * file) list_del(&list->node); spin_unlock_irqrestore(&list->hiddev->list_lock, flags); + mutex_lock(&list->hiddev->existancelock); if (!--list->hiddev->open) { if (list->hiddev->exist) { usbhid_close(list->hiddev->hid); usbhid_put_power(list->hiddev->hid); } else { + mutex_unlock(&list->hiddev->existancelock); kfree(list->hiddev); + vfree(list); + return 0; } } - kfree(list); + mutex_unlock(&list->hiddev->existancelock); + vfree(list); return 0; } @@ -274,7 +279,7 @@ static int hiddev_open(struct inode *inode, struct file *file) hid = usb_get_intfdata(intf); hiddev = hid->hiddev; - if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL))) + if (!(list = vzalloc(sizeof(struct hiddev_list)))) return -ENOMEM; mutex_init(&list->thread_lock); list->hiddev = hiddev; @@ -301,20 +306,24 @@ static int hiddev_open(struct inode *inode, struct file *file) list_add_tail(&list->node, &hiddev->list); spin_unlock_irq(&list->hiddev->list_lock); + mutex_lock(&hiddev->existancelock); if (!list->hiddev->open++) if (list->hiddev->exist) { struct hid_device *hid = hiddev->hid; res = usbhid_get_power(hid); if (res < 0) { res = -EIO; - goto bail; + goto bail_unlock; } usbhid_open(hid); } + mutex_unlock(&hiddev->existancelock); return 0; +bail_unlock: + mutex_unlock(&hiddev->existancelock); bail: file->private_data = NULL; - kfree(list); + vfree(list); return res; } @@ -352,10 +361,6 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE); while (list->head == list->tail) { - if (file->f_flags & O_NONBLOCK) { - retval = -EAGAIN; - break; - } if (signal_pending(current)) { retval = -ERESTARTSYS; break; @@ -364,12 +369,18 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun retval = -EIO; break; } + if (file->f_flags & O_NONBLOCK) { + retval = -EAGAIN; + break; + } /* let O_NONBLOCK tasks run */ mutex_unlock(&list->thread_lock); schedule(); - if (mutex_lock_interruptible(&list->thread_lock)) + if (mutex_lock_interruptible(&list->thread_lock)) { + finish_wait(&list->hiddev->wait, &wait); return -EINTR; + } set_current_state(TASK_INTERRUPTIBLE); } finish_wait(&list->hiddev->wait, &wait); @@ -510,7 +521,7 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, (uref_multi->num_values > HID_MAX_MULTI_USAGES || uref->usage_index + uref_multi->num_values > field->report_count)) goto inval; - } + } switch (cmd) { case HIDIOCGUSAGE: @@ -586,163 +597,170 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct hiddev_list *list = file->private_data; struct hiddev *hiddev = list->hiddev; - struct hid_device *hid = hiddev->hid; - struct usb_device *dev; + struct hid_device *hid; struct hiddev_collection_info cinfo; struct hiddev_report_info rinfo; struct hiddev_field_info finfo; struct hiddev_devinfo dinfo; struct hid_report *report; struct hid_field *field; - struct usbhid_device *usbhid = hid->driver_data; void __user *user_arg = (void __user *)arg; - int i, r; - + int i, r = -EINVAL; + /* Called without BKL by compat methods so no BKL taken */ - /* FIXME: Who or what stop this racing with a disconnect ?? */ - if (!hiddev->exist || !hid) - return -EIO; + mutex_lock(&hiddev->existancelock); + if (!hiddev->exist) { + r = -ENODEV; + goto ret_unlock; + } - dev = hid_to_usb_dev(hid); + hid = hiddev->hid; switch (cmd) { case HIDIOCGVERSION: - return put_user(HID_VERSION, (int __user *)arg); + r = put_user(HID_VERSION, (int __user *)arg) ? + -EFAULT : 0; + break; case HIDIOCAPPLICATION: - if (arg < 0 || arg >= hid->maxapplication) - return -EINVAL; + if (arg >= hid->maxapplication) + break; for (i = 0; i < hid->maxcollection; i++) if (hid->collection[i].type == HID_COLLECTION_APPLICATION && arg-- == 0) break; - if (i == hid->maxcollection) - return -EINVAL; - - return hid->collection[i].usage; + if (i < hid->maxcollection) + r = hid->collection[i].usage; + break; case HIDIOCGDEVINFO: - dinfo.bustype = BUS_USB; - dinfo.busnum = dev->bus->busnum; - dinfo.devnum = dev->devnum; - dinfo.ifnum = usbhid->ifnum; - dinfo.vendor = le16_to_cpu(dev->descriptor.idVendor); - dinfo.product = le16_to_cpu(dev->descriptor.idProduct); - dinfo.version = le16_to_cpu(dev->descriptor.bcdDevice); - dinfo.num_applications = hid->maxapplication; - if (copy_to_user(user_arg, &dinfo, sizeof(dinfo))) - return -EFAULT; - - return 0; + { + struct usb_device *dev = hid_to_usb_dev(hid); + struct usbhid_device *usbhid = hid->driver_data; + + memset(&dinfo, 0, sizeof(dinfo)); + + dinfo.bustype = BUS_USB; + dinfo.busnum = dev->bus->busnum; + dinfo.devnum = dev->devnum; + dinfo.ifnum = usbhid->ifnum; + dinfo.vendor = le16_to_cpu(dev->descriptor.idVendor); + dinfo.product = le16_to_cpu(dev->descriptor.idProduct); + dinfo.version = le16_to_cpu(dev->descriptor.bcdDevice); + dinfo.num_applications = hid->maxapplication; + + r = copy_to_user(user_arg, &dinfo, sizeof(dinfo)) ? + -EFAULT : 0; + break; + } case HIDIOCGFLAG: - if (put_user(list->flags, (int __user *)arg)) - return -EFAULT; - - return 0; + r = put_user(list->flags, (int __user *)arg) ? + -EFAULT : 0; + break; case HIDIOCSFLAG: { int newflags; - if (get_user(newflags, (int __user *)arg)) - return -EFAULT; + + if (get_user(newflags, (int __user *)arg)) { + r = -EFAULT; + break; + } if ((newflags & ~HIDDEV_FLAGS) != 0 || ((newflags & HIDDEV_FLAG_REPORT) != 0 && (newflags & HIDDEV_FLAG_UREF) == 0)) - return -EINVAL; + break; list->flags = newflags; - return 0; + r = 0; + break; } case HIDIOCGSTRING: - mutex_lock(&hiddev->existancelock); - if (hiddev->exist) - r = hiddev_ioctl_string(hiddev, cmd, user_arg); - else - r = -ENODEV; - mutex_unlock(&hiddev->existancelock); - return r; + r = hiddev_ioctl_string(hiddev, cmd, user_arg); + break; case HIDIOCINITREPORT: - mutex_lock(&hiddev->existancelock); - if (!hiddev->exist) { - mutex_unlock(&hiddev->existancelock); - return -ENODEV; - } usbhid_init_reports(hid); - mutex_unlock(&hiddev->existancelock); - - return 0; + r = 0; + break; case HIDIOCGREPORT: - if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) - return -EFAULT; + if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) { + r = -EFAULT; + break; + } if (rinfo.report_type == HID_REPORT_TYPE_OUTPUT) - return -EINVAL; + break; - if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) - return -EINVAL; + report = hiddev_lookup_report(hid, &rinfo); + if (report == NULL) + break; - mutex_lock(&hiddev->existancelock); - if (hiddev->exist) { - usbhid_submit_report(hid, report, USB_DIR_IN); - usbhid_wait_io(hid); - } - mutex_unlock(&hiddev->existancelock); + hid_hw_request(hid, report, HID_REQ_GET_REPORT); + hid_hw_wait(hid); - return 0; + r = 0; + break; case HIDIOCSREPORT: - if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) - return -EFAULT; + if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) { + r = -EFAULT; + break; + } if (rinfo.report_type == HID_REPORT_TYPE_INPUT) - return -EINVAL; + break; - if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) - return -EINVAL; + report = hiddev_lookup_report(hid, &rinfo); + if (report == NULL) + break; - mutex_lock(&hiddev->existancelock); - if (hiddev->exist) { - usbhid_submit_report(hid, report, USB_DIR_OUT); - usbhid_wait_io(hid); - } - mutex_unlock(&hiddev->existancelock); + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_wait(hid); - return 0; + r = 0; + break; case HIDIOCGREPORTINFO: - if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) - return -EFAULT; + if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) { + r = -EFAULT; + break; + } - if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) - return -EINVAL; + report = hiddev_lookup_report(hid, &rinfo); + if (report == NULL) + break; rinfo.num_fields = report->maxfield; - if (copy_to_user(user_arg, &rinfo, sizeof(rinfo))) - return -EFAULT; - - return 0; + r = copy_to_user(user_arg, &rinfo, sizeof(rinfo)) ? + -EFAULT : 0; + break; case HIDIOCGFIELDINFO: - if (copy_from_user(&finfo, user_arg, sizeof(finfo))) - return -EFAULT; + if (copy_from_user(&finfo, user_arg, sizeof(finfo))) { + r = -EFAULT; + break; + } + rinfo.report_type = finfo.report_type; rinfo.report_id = finfo.report_id; - if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) - return -EINVAL; + + report = hiddev_lookup_report(hid, &rinfo); + if (report == NULL) + break; if (finfo.field_index >= report->maxfield) - return -EINVAL; + break; field = report->field[finfo.field_index]; memset(&finfo, 0, sizeof(finfo)); @@ -761,10 +779,9 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) finfo.unit_exponent = field->unit_exponent; finfo.unit = field->unit; - if (copy_to_user(user_arg, &finfo, sizeof(finfo))) - return -EFAULT; - - return 0; + r = copy_to_user(user_arg, &finfo, sizeof(finfo)) ? + -EFAULT : 0; + break; case HIDIOCGUCODE: /* fall through */ @@ -773,57 +790,52 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case HIDIOCGUSAGES: case HIDIOCSUSAGES: case HIDIOCGCOLLECTIONINDEX: - mutex_lock(&hiddev->existancelock); - if (hiddev->exist) - r = hiddev_ioctl_usage(hiddev, cmd, user_arg); - else - r = -ENODEV; - mutex_unlock(&hiddev->existancelock); - return r; + r = hiddev_ioctl_usage(hiddev, cmd, user_arg); + break; case HIDIOCGCOLLECTIONINFO: - if (copy_from_user(&cinfo, user_arg, sizeof(cinfo))) - return -EFAULT; + if (copy_from_user(&cinfo, user_arg, sizeof(cinfo))) { + r = -EFAULT; + break; + } if (cinfo.index >= hid->maxcollection) - return -EINVAL; + break; cinfo.type = hid->collection[cinfo.index].type; cinfo.usage = hid->collection[cinfo.index].usage; cinfo.level = hid->collection[cinfo.index].level; - if (copy_to_user(user_arg, &cinfo, sizeof(cinfo))) - return -EFAULT; - return 0; + r = copy_to_user(user_arg, &cinfo, sizeof(cinfo)) ? + -EFAULT : 0; + break; default: - if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) - return -EINVAL; + break; if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGNAME(0))) { - int len; - if (!hid->name) - return 0; - len = strlen(hid->name) + 1; + int len = strlen(hid->name) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); - return copy_to_user(user_arg, hid->name, len) ? + r = copy_to_user(user_arg, hid->name, len) ? -EFAULT : len; + break; } if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGPHYS(0))) { - int len; - if (!hid->phys) - return 0; - len = strlen(hid->phys) + 1; + int len = strlen(hid->phys) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); - return copy_to_user(user_arg, hid->phys, len) ? + r = copy_to_user(user_arg, hid->phys, len) ? -EFAULT : len; + break; } } - return -EINVAL; + +ret_unlock: + mutex_unlock(&hiddev->existancelock); + return r; } #ifdef CONFIG_COMPAT @@ -848,7 +860,7 @@ static const struct file_operations hiddev_fops = { .llseek = noop_llseek, }; -static char *hiddev_devnode(struct device *dev, mode_t *mode) +static char *hiddev_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } @@ -893,7 +905,7 @@ int hiddev_connect(struct hid_device *hid, unsigned int force) hiddev->exist = 1; retval = usb_register_dev(usbhid->intf, &hiddev_class); if (retval) { - err_hid("Not able to get a minor for this device."); + hid_err(hid, "Not able to get a minor for this device\n"); hid->hiddev = NULL; kfree(hiddev); return -1; @@ -911,16 +923,17 @@ void hiddev_disconnect(struct hid_device *hid) struct hiddev *hiddev = hid->hiddev; struct usbhid_device *usbhid = hid->driver_data; + usb_deregister_dev(usbhid->intf, &hiddev_class); + mutex_lock(&hiddev->existancelock); hiddev->exist = 0; - mutex_unlock(&hiddev->existancelock); - - usb_deregister_dev(usbhid->intf, &hiddev_class); if (hiddev->open) { + mutex_unlock(&hiddev->existancelock); usbhid_close(hiddev->hid); wake_up_interruptible(&hiddev->wait); } else { + mutex_unlock(&hiddev->existancelock); kfree(hiddev); } } diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index 89d2e847dcc..f633c24ce28 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -34,12 +34,9 @@ #include <linux/input.h> /* API provided by hid-core.c for USB HID drivers */ -int usbhid_wait_io(struct hid_device* hid); void usbhid_close(struct hid_device *hid); int usbhid_open(struct hid_device *hid); void usbhid_init_reports(struct hid_device *hid); -void usbhid_submit_report -(struct hid_device *hid, struct hid_report *report, unsigned char dir); int usbhid_get_power(struct hid_device *hid); void usbhid_put_power(struct hid_device *hid); struct usb_interface *usbhid_find_interface(int minor); @@ -53,9 +50,8 @@ struct usb_interface *usbhid_find_interface(int minor); #define HID_CLEAR_HALT 6 #define HID_DISCONNECTED 7 #define HID_STARTED 8 -#define HID_REPORTED_IDLE 9 #define HID_KEYS_PRESSED 10 -#define HID_LED_ON 11 +#define HID_NO_BANDWIDTH 11 /* * USB-specific HID struct, to be pointed to @@ -95,9 +91,7 @@ struct usbhid_device { unsigned long stop_retry; /* Time to give up, in jiffies */ unsigned int retry_delay; /* Delay length in ms */ struct work_struct reset_work; /* Task context for resets */ - struct work_struct restart_work; /* waking up for output to be done in a task */ wait_queue_head_t wait; /* For sleeping */ - int ledcount; /* counting the number of active leds */ }; #define hid_to_usb_dev(hid_dev) \ diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c index a948605564f..9a332e683db 100644 --- a/drivers/hid/usbhid/usbkbd.c +++ b/drivers/hid/usbhid/usbkbd.c @@ -24,6 +24,8 @@ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> @@ -62,6 +64,32 @@ static const unsigned char usb_kbd_keycode[256] = { 150,158,159,128,136,177,178,176,142,152,173,140 }; + +/** + * struct usb_kbd - state of each attached keyboard + * @dev: input device associated with this keyboard + * @usbdev: usb device associated with this keyboard + * @old: data received in the past from the @irq URB representing which + * keys were pressed. By comparing with the current list of keys + * that are pressed, we are able to see key releases. + * @irq: URB for receiving a list of keys that are pressed when a + * new key is pressed or a key that was pressed is released. + * @led: URB for sending LEDs (e.g. numlock, ...) + * @newleds: data that will be sent with the @led URB representing which LEDs + should be on + * @name: Name of the keyboard. @dev's name field points to this buffer + * @phys: Physical path of the keyboard. @dev's phys field points to this + * buffer + * @new: Buffer for the @irq URB + * @cr: Control request for @led URB + * @leds: Buffer for the @led URB + * @new_dma: DMA address for @irq URB + * @leds_dma: DMA address for @led URB + * @leds_lock: spinlock that protects @leds, @newleds, and @led_urb_submitted + * @led_urb_submitted: indicates whether @led is in progress, i.e. it has been + * submitted and its completion handler has not returned yet + * without resubmitting @led + */ struct usb_kbd { struct input_dev *dev; struct usb_device *usbdev; @@ -76,6 +104,10 @@ struct usb_kbd { unsigned char *leds; dma_addr_t new_dma; dma_addr_t leds_dma; + + spinlock_t leds_lock; + bool led_urb_submitted; + }; static void usb_kbd_irq(struct urb *urb) @@ -104,16 +136,18 @@ static void usb_kbd_irq(struct urb *urb) if (usb_kbd_keycode[kbd->old[i]]) input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0); else - dev_info(&urb->dev->dev, - "Unknown key (scancode %#x) released.\n", kbd->old[i]); + hid_info(urb->dev, + "Unknown key (scancode %#x) released.\n", + kbd->old[i]); } if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) { if (usb_kbd_keycode[kbd->new[i]]) input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1); else - dev_info(&urb->dev->dev, - "Unknown key (scancode %#x) released.\n", kbd->new[i]); + hid_info(urb->dev, + "Unknown key (scancode %#x) pressed.\n", + kbd->new[i]); } } @@ -124,52 +158,74 @@ static void usb_kbd_irq(struct urb *urb) resubmit: i = usb_submit_urb (urb, GFP_ATOMIC); if (i) - err_hid ("can't resubmit intr, %s-%s/input0, status %d", - kbd->usbdev->bus->bus_name, - kbd->usbdev->devpath, i); + hid_err(urb->dev, "can't resubmit intr, %s-%s/input0, status %d", + kbd->usbdev->bus->bus_name, + kbd->usbdev->devpath, i); } static int usb_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { + unsigned long flags; struct usb_kbd *kbd = input_get_drvdata(dev); if (type != EV_LED) return -1; + spin_lock_irqsave(&kbd->leds_lock, flags); kbd->newleds = (!!test_bit(LED_KANA, dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) | (!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL, dev->led) << 1) | (!!test_bit(LED_NUML, dev->led)); - if (kbd->led->status == -EINPROGRESS) + if (kbd->led_urb_submitted){ + spin_unlock_irqrestore(&kbd->leds_lock, flags); return 0; + } - if (*(kbd->leds) == kbd->newleds) + if (*(kbd->leds) == kbd->newleds){ + spin_unlock_irqrestore(&kbd->leds_lock, flags); return 0; + } *(kbd->leds) = kbd->newleds; + kbd->led->dev = kbd->usbdev; if (usb_submit_urb(kbd->led, GFP_ATOMIC)) - err_hid("usb_submit_urb(leds) failed"); - + pr_err("usb_submit_urb(leds) failed\n"); + else + kbd->led_urb_submitted = true; + + spin_unlock_irqrestore(&kbd->leds_lock, flags); + return 0; } static void usb_kbd_led(struct urb *urb) { + unsigned long flags; struct usb_kbd *kbd = urb->context; if (urb->status) - dev_warn(&urb->dev->dev, "led urb status %d received\n", + hid_warn(urb->dev, "led urb status %d received\n", urb->status); - if (*(kbd->leds) == kbd->newleds) + spin_lock_irqsave(&kbd->leds_lock, flags); + + if (*(kbd->leds) == kbd->newleds){ + kbd->led_urb_submitted = false; + spin_unlock_irqrestore(&kbd->leds_lock, flags); return; + } *(kbd->leds) = kbd->newleds; + kbd->led->dev = kbd->usbdev; - if (usb_submit_urb(kbd->led, GFP_ATOMIC)) - err_hid("usb_submit_urb(leds) failed"); + if (usb_submit_urb(kbd->led, GFP_ATOMIC)){ + hid_err(urb->dev, "usb_submit_urb(leds) failed\n"); + kbd->led_urb_submitted = false; + } + spin_unlock_irqrestore(&kbd->leds_lock, flags); + } static int usb_kbd_open(struct input_dev *dev) @@ -248,6 +304,7 @@ static int usb_kbd_probe(struct usb_interface *iface, kbd->usbdev = dev; kbd->dev = input_dev; + spin_lock_init(&kbd->leds_lock); if (dev->manufacturer) strlcpy(kbd->name, dev->manufacturer, sizeof(kbd->name)); @@ -330,6 +387,7 @@ static void usb_kbd_disconnect(struct usb_interface *intf) if (kbd) { usb_kill_urb(kbd->irq); input_unregister_device(kbd->dev); + usb_kill_urb(kbd->led); usb_kbd_free_mem(interface_to_usbdev(intf), kbd); kfree(kbd); } @@ -350,19 +408,4 @@ static struct usb_driver usb_kbd_driver = { .id_table = usb_kbd_id_table, }; -static int __init usb_kbd_init(void) -{ - int result = usb_register(&usb_kbd_driver); - if (result == 0) - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return result; -} - -static void __exit usb_kbd_exit(void) -{ - usb_deregister(&usb_kbd_driver); -} - -module_init(usb_kbd_init); -module_exit(usb_kbd_exit); +module_usb_driver(usb_kbd_driver); diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c index 79b2bf81a05..bf16d72dc37 100644 --- a/drivers/hid/usbhid/usbmouse.c +++ b/drivers/hid/usbhid/usbmouse.c @@ -92,9 +92,10 @@ static void usb_mouse_irq(struct urb *urb) resubmit: status = usb_submit_urb (urb, GFP_ATOMIC); if (status) - err ("can't resubmit intr, %s-%s/input0, status %d", - mouse->usbdev->bus->bus_name, - mouse->usbdev->devpath, status); + dev_err(&mouse->usbdev->dev, + "can't resubmit intr, %s-%s/input0, status %d\n", + mouse->usbdev->bus->bus_name, + mouse->usbdev->devpath, status); } static int usb_mouse_open(struct input_dev *dev) @@ -241,19 +242,4 @@ static struct usb_driver usb_mouse_driver = { .id_table = usb_mouse_id_table, }; -static int __init usb_mouse_init(void) -{ - int retval = usb_register(&usb_mouse_driver); - if (retval == 0) - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return retval; -} - -static void __exit usb_mouse_exit(void) -{ - usb_deregister(&usb_mouse_driver); -} - -module_init(usb_mouse_init); -module_exit(usb_mouse_exit); +module_usb_driver(usb_mouse_driver); |