diff options
Diffstat (limited to 'drivers/media/rc/mceusb.c')
| -rw-r--r-- | drivers/media/rc/mceusb.c | 840 |
1 files changed, 490 insertions, 350 deletions
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 6df0a498064..d5c1df3c9db 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1,7 +1,7 @@ /* * Driver for USB Windows Media Center Ed. eHome Infrared Transceivers * - * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com> + * Copyright (c) 2010-2011, Jarod Wilson <jarod@redhat.com> * * Based on the original lirc_mceusb and lirc_mceusb2 drivers, by Dan * Conti, Martin Blatter and Daniel Melander, the latter of which was @@ -15,6 +15,11 @@ * Jon Smirl, which included enhancements and simplifications to the * incoming IR buffer parsing routines. * + * Updated in July of 2011 with the aid of Microsoft's official + * remote/transceiver requirements and specification document, found at + * download.microsoft.com, title + * Windows-Media-Center-RC-IR-Collection-Green-Button-Specification-03-08-2011-V2.pdf + * * * 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 @@ -37,10 +42,11 @@ #include <linux/slab.h> #include <linux/usb.h> #include <linux/usb/input.h> +#include <linux/pm_wakeup.h> #include <media/rc-core.h> -#define DRIVER_VERSION "1.91" -#define DRIVER_AUTHOR "Jarod Wilson <jarod@wilsonet.com>" +#define DRIVER_VERSION "1.92" +#define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>" #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \ "device driver" #define DRIVER_NAME "mceusb" @@ -56,57 +62,96 @@ #define MCE_PACKET_SIZE 4 /* Normal length of packet (without header) */ #define MCE_IRDATA_HEADER 0x84 /* Actual header format is 0x80 + num_bytes */ #define MCE_IRDATA_TRAILER 0x80 /* End of IR data */ -#define MCE_TX_HEADER_LENGTH 3 /* # of bytes in the initializing tx header */ #define MCE_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */ #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */ #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */ #define MCE_PULSE_MASK 0x7f /* Pulse mask */ #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */ -#define MCE_HW_CMD_HEADER 0xff /* MCE hardware command header */ -#define MCE_COMMAND_HEADER 0x9f /* MCE command header */ -#define MCE_COMMAND_MASK 0xe0 /* Mask out command bits */ -#define MCE_COMMAND_NULL 0x00 /* These show up various places... */ -/* if buf[i] & MCE_COMMAND_MASK == 0x80 and buf[i] != MCE_COMMAND_HEADER, - * then we're looking at a raw IR data sample */ -#define MCE_COMMAND_IRDATA 0x80 -#define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ - -/* Sub-commands, which follow MCE_COMMAND_HEADER or MCE_HW_CMD_HEADER */ +/* + * The interface between the host and the IR hardware is command-response + * based. All commands and responses have a consistent format, where a lead + * byte always identifies the type of data following it. The lead byte has + * a port value in the 3 highest bits and a length value in the 5 lowest + * bits. + * + * The length field is overloaded, with a value of 11111 indicating that the + * following byte is a command or response code, and the length of the entire + * message is determined by the code. If the length field is not 11111, then + * it specifies the number of bytes of port data that follow. + */ +#define MCE_CMD 0x1f +#define MCE_PORT_IR 0x4 /* (0x4 << 5) | MCE_CMD = 0x9f */ +#define MCE_PORT_SYS 0x7 /* (0x7 << 5) | MCE_CMD = 0xff */ +#define MCE_PORT_SER 0x6 /* 0xc0 thru 0xdf flush & 0x1f bytes */ +#define MCE_PORT_MASK 0xe0 /* Mask out command bits */ + +/* Command port headers */ +#define MCE_CMD_PORT_IR 0x9f /* IR-related cmd/rsp */ +#define MCE_CMD_PORT_SYS 0xff /* System (non-IR) device cmd/rsp */ + +/* Commands that set device state (2-4 bytes in length) */ +#define MCE_CMD_RESET 0xfe /* Reset device, 2 bytes */ +#define MCE_CMD_RESUME 0xaa /* Resume device after error, 2 bytes */ +#define MCE_CMD_SETIRCFS 0x06 /* Set tx carrier, 4 bytes */ +#define MCE_CMD_SETIRTIMEOUT 0x0c /* Set timeout, 4 bytes */ +#define MCE_CMD_SETIRTXPORTS 0x08 /* Set tx ports, 3 bytes */ +#define MCE_CMD_SETIRRXPORTEN 0x14 /* Set rx ports, 3 bytes */ +#define MCE_CMD_FLASHLED 0x23 /* Flash receiver LED, 2 bytes */ + +/* Commands that query device state (all 2 bytes, unless noted) */ +#define MCE_CMD_GETIRCFS 0x07 /* Get carrier */ +#define MCE_CMD_GETIRTIMEOUT 0x0d /* Get timeout */ +#define MCE_CMD_GETIRTXPORTS 0x13 /* Get tx ports */ +#define MCE_CMD_GETIRRXPORTEN 0x15 /* Get rx ports */ +#define MCE_CMD_GETPORTSTATUS 0x11 /* Get tx port status, 3 bytes */ +#define MCE_CMD_GETIRNUMPORTS 0x16 /* Get number of ports */ +#define MCE_CMD_GETWAKESOURCE 0x17 /* Get wake source */ +#define MCE_CMD_GETEMVER 0x22 /* Get emulator interface version */ +#define MCE_CMD_GETDEVDETAILS 0x21 /* Get device details (em ver2 only) */ +#define MCE_CMD_GETWAKESUPPORT 0x20 /* Get wake details (em ver2 only) */ +#define MCE_CMD_GETWAKEVERSION 0x18 /* Get wake pattern (em ver2 only) */ + +/* Misc commands */ +#define MCE_CMD_NOP 0xff /* No operation */ + +/* Responses to commands (non-error cases) */ +#define MCE_RSP_EQIRCFS 0x06 /* tx carrier, 4 bytes */ +#define MCE_RSP_EQIRTIMEOUT 0x0c /* rx timeout, 4 bytes */ +#define MCE_RSP_GETWAKESOURCE 0x17 /* wake source, 3 bytes */ +#define MCE_RSP_EQIRTXPORTS 0x08 /* tx port mask, 3 bytes */ +#define MCE_RSP_EQIRRXPORTEN 0x14 /* rx port mask, 3 bytes */ +#define MCE_RSP_GETPORTSTATUS 0x11 /* tx port status, 7 bytes */ +#define MCE_RSP_EQIRRXCFCNT 0x15 /* rx carrier count, 4 bytes */ +#define MCE_RSP_EQIRNUMPORTS 0x16 /* number of ports, 4 bytes */ +#define MCE_RSP_EQWAKESUPPORT 0x20 /* wake capabilities, 3 bytes */ +#define MCE_RSP_EQWAKEVERSION 0x18 /* wake pattern details, 6 bytes */ +#define MCE_RSP_EQDEVDETAILS 0x21 /* device capabilities, 3 bytes */ +#define MCE_RSP_EQEMVER 0x22 /* emulator interface ver, 3 bytes */ +#define MCE_RSP_FLASHLED 0x23 /* success flashing LED, 2 bytes */ + +/* Responses to error cases, must send MCE_CMD_RESUME to clear them */ +#define MCE_RSP_CMD_ILLEGAL 0xfe /* illegal command for port, 2 bytes */ +#define MCE_RSP_TX_TIMEOUT 0x81 /* tx timed out, 2 bytes */ + +/* Misc commands/responses not defined in the MCE remote/transceiver spec */ #define MCE_CMD_SIG_END 0x01 /* End of signal */ #define MCE_CMD_PING 0x03 /* Ping device */ #define MCE_CMD_UNKNOWN 0x04 /* Unknown */ #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */ -#define MCE_CMD_S_CARRIER 0x06 /* Set TX carrier frequency */ -#define MCE_CMD_G_CARRIER 0x07 /* Get TX carrier frequency */ -#define MCE_CMD_S_TXMASK 0x08 /* Set TX port bitmask */ #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */ #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */ #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */ -#define MCE_CMD_S_TIMEOUT 0x0c /* Set RX timeout value */ -#define MCE_CMD_G_TIMEOUT 0x0d /* Get RX timeout value */ #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */ #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */ -#define MCE_CMD_G_RXPORTSTS 0x11 /* Get RX port status */ -#define MCE_CMD_G_TXMASK 0x13 /* Set TX port bitmask */ -#define MCE_CMD_S_RXSENSOR 0x14 /* Set RX sensor (std/learning) */ -#define MCE_CMD_G_RXSENSOR 0x15 /* Get RX sensor (std/learning) */ -#define MCE_RSP_PULSE_COUNT 0x15 /* RX pulse count (only if learning) */ -#define MCE_CMD_TX_PORTS 0x16 /* Get number of TX ports */ -#define MCE_CMD_G_WAKESRC 0x17 /* Get wake source */ -#define MCE_CMD_UNKNOWN7 0x18 /* Unknown */ #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */ #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */ -#define MCE_CMD_DEVICE_RESET 0xaa /* Reset the hardware */ -#define MCE_RSP_CMD_INVALID 0xfe /* Invalid command issued */ +#define MCE_CMD_NULL 0x00 /* These show up various places... */ - -/* module parameters */ -#ifdef CONFIG_USB_DEBUG -static int debug = 1; -#else -static int debug; -#endif +/* if buf[i] & MCE_PORT_MASK == 0x80 and buf[i] != MCE_CMD_PORT_IR, + * then we're looking at a raw IR data sample */ +#define MCE_COMMAND_IRDATA 0x80 +#define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ /* general constants */ #define SEND_FLAG_IN_PROGRESS 1 @@ -140,6 +185,8 @@ static int debug; #define VENDOR_REALTEK 0x0bda #define VENDOR_TIVO 0x105a #define VENDOR_CONEXANT 0x0572 +#define VENDOR_TWISTEDMELON 0x2596 +#define VENDOR_HAUPPAUGE 0x2040 enum mceusb_model_type { MCE_GEN2 = 0, /* Most boards */ @@ -148,6 +195,10 @@ enum mceusb_model_type { MCE_GEN2_TX_INV, POLARIS_EVK, CX_HYBRID_TV, + MULTIFUNCTION, + TIVO_KIT, + MCE_GEN2_NO_TX, + HAUPPAUGE_CX_HYBRID_TV, }; struct mceusb_model { @@ -155,9 +206,10 @@ struct mceusb_model { u32 mce_gen2:1; u32 mce_gen3:1; u32 tx_mask_normal:1; - u32 is_polaris:1; u32 no_tx:1; + int ir_intfnum; + const char *rc_map; /* Allow specify a per-board map */ const char *name; /* per-board name */ }; @@ -170,6 +222,10 @@ static const struct mceusb_model mceusb_model[] = { [MCE_GEN2] = { .mce_gen2 = 1, }, + [MCE_GEN2_NO_TX] = { + .mce_gen2 = 1, + .no_tx = 1, + }, [MCE_GEN2_TX_INV] = { .mce_gen2 = 1, .tx_mask_normal = 1, @@ -179,20 +235,31 @@ static const struct mceusb_model mceusb_model[] = { .tx_mask_normal = 1, }, [POLARIS_EVK] = { - .is_polaris = 1, /* * In fact, the EVK is shipped without * remotes, but we should have something handy, * to allow testing it */ - .rc_map = RC_MAP_RC5_HAUPPAUGE_NEW, + .rc_map = RC_MAP_HAUPPAUGE, .name = "Conexant Hybrid TV (cx231xx) MCE IR", }, [CX_HYBRID_TV] = { - .is_polaris = 1, .no_tx = 1, /* tx isn't wired up at all */ .name = "Conexant Hybrid TV (cx231xx) MCE IR", }, + [HAUPPAUGE_CX_HYBRID_TV] = { + .rc_map = RC_MAP_HAUPPAUGE, + .no_tx = 1, /* eeprom says it has no tx */ + .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX", + }, + [MULTIFUNCTION] = { + .mce_gen2 = 1, + .ir_intfnum = 2, + }, + [TIVO_KIT] = { + .mce_gen2 = 1, + .rc_map = RC_MAP_TIVO, + }, }; static struct usb_device_id mceusb_dev_table[] = { @@ -216,8 +283,12 @@ static struct usb_device_id mceusb_dev_table[] = { { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, /* Philips/Spinel plus IR transceiver for ASUS */ { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, - /* Realtek MCE IR Receiver */ - { USB_DEVICE(VENDOR_REALTEK, 0x0161) }, + /* Philips IR transceiver (Dell branded) */ + { USB_DEVICE(VENDOR_PHILIPS, 0x2093), + .driver_info = MCE_GEN2_TX_INV }, + /* Realtek MCE IR Receiver and card reader */ + { USB_DEVICE(VENDOR_REALTEK, 0x0161), + .driver_info = MULTIFUNCTION }, /* SMK/Toshiba G83C0004D410 */ { USB_DEVICE(VENDOR_SMK, 0x031d), .driver_info = MCE_GEN2_TX_INV }, @@ -229,6 +300,9 @@ static struct usb_device_id mceusb_dev_table[] = { .driver_info = MCE_GEN2_TX_INV }, /* SMK eHome Infrared Transceiver */ { USB_DEVICE(VENDOR_SMK, 0x0338) }, + /* SMK/I-O Data GV-MC7/RCKIT Receiver */ + { USB_DEVICE(VENDOR_SMK, 0x0353), + .driver_info = MCE_GEN2_NO_TX }, /* Tatung eHome Infrared Transceiver */ { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, /* Shuttle eHome Infrared Transceiver */ @@ -256,7 +330,7 @@ static struct usb_device_id mceusb_dev_table[] = { .driver_info = MCE_GEN2_TX_INV }, /* Topseed eHome Infrared Transceiver */ { USB_DEVICE(VENDOR_TOPSEED, 0x0011), - .driver_info = MCE_GEN2_TX_INV }, + .driver_info = MCE_GEN3 }, /* Ricavision internal Infrared Transceiver */ { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, /* Itron ione Libra Q-11 */ @@ -272,7 +346,8 @@ static struct usb_device_id mceusb_dev_table[] = { /* Formosa21 / eHome Infrared Receiver */ { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, /* Formosa aim / Trust MCE Infrared Receiver */ - { USB_DEVICE(VENDOR_FORMOSA, 0xe017) }, + { USB_DEVICE(VENDOR_FORMOSA, 0xe017), + .driver_info = MCE_GEN2_NO_TX }, /* Formosa Industrial Computing / Beanbag Emulation Device */ { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, /* Formosa21 / eHome Infrared Receiver */ @@ -281,8 +356,11 @@ static struct usb_device_id mceusb_dev_table[] = { { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, /* Formosa Industrial Computing */ { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, + /* Formosa Industrial Computing */ + { USB_DEVICE(VENDOR_FORMOSA, 0xe042) }, /* Fintek eHome Infrared Transceiver (HP branded) */ - { USB_DEVICE(VENDOR_FINTEK, 0x5168) }, + { USB_DEVICE(VENDOR_FINTEK, 0x5168), + .driver_info = MCE_GEN2_TX_INV }, /* Fintek eHome Infrared Transceiver */ { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ @@ -301,13 +379,23 @@ static struct usb_device_id mceusb_dev_table[] = { /* Northstar Systems, Inc. eHome Infrared Transceiver */ { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, /* TiVo PC IR Receiver */ - { USB_DEVICE(VENDOR_TIVO, 0x2000) }, + { USB_DEVICE(VENDOR_TIVO, 0x2000), + .driver_info = TIVO_KIT }, /* Conexant Hybrid TV "Shelby" Polaris SDK */ { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), .driver_info = POLARIS_EVK }, /* Conexant Hybrid TV RDU253S Polaris */ { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), .driver_info = CX_HYBRID_TV }, + /* Twisted Melon Inc. - Manta Mini Receiver */ + { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) }, + /* Twisted Melon Inc. - Manta Pico Receiver */ + { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) }, + /* Twisted Melon Inc. - Manta Transceiver */ + { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) }, + /* Hauppauge WINTV-HVR-HVR 930C-HD - based on cx231xx */ + { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130), + .driver_info = HAUPPAUGE_CX_HYBRID_TV }, /* Terminating entry */ { } }; @@ -327,14 +415,12 @@ struct mceusb_dev { /* usb */ struct usb_device *usbdev; struct urb *urb_in; - struct usb_endpoint_descriptor *usb_ep_in; struct usb_endpoint_descriptor *usb_ep_out; /* buffers and dma */ unsigned char *buf_in; unsigned int len_in; dma_addr_t dma_in; - dma_addr_t dma_out; enum { CMD_HEADER = 0, @@ -360,76 +446,78 @@ struct mceusb_dev { char name[128]; char phys[64]; enum mceusb_model_type model; + + bool need_reset; /* flag to issue a device resume cmd */ + u8 emver; /* emulator interface version */ + u8 num_txports; /* number of transmit ports */ + u8 num_rxports; /* number of receive sensors */ + u8 txports_cabled; /* bitmask of transmitters with cable */ + u8 rxports_active; /* bitmask of active receive sensors */ }; -/* - * MCE Device Command Strings - * Device command responses vary from device to device... - * - DEVICE_RESET resets the hardware to its default state - * - GET_REVISION fetches the hardware/software revision, common - * replies are ff 0b 45 ff 1b 08 and ff 0b 50 ff 1b 42 - * - GET_CARRIER_FREQ gets the carrier mode and frequency of the - * device, with replies in the form of 9f 06 MM FF, where MM is 0-3, - * meaning clk of 10000000, 2500000, 625000 or 156250, and FF is - * ((clk / frequency) - 1) - * - GET_RX_TIMEOUT fetches the receiver timeout in units of 50us, - * response in the form of 9f 0c msb lsb - * - GET_TX_BITMASK fetches the transmitter bitmask, replies in - * the form of 9f 08 bm, where bm is the bitmask - * - GET_RX_SENSOR fetches the RX sensor setting -- long-range - * general use one or short-range learning one, in the form of - * 9f 14 ss, where ss is either 01 for long-range or 02 for short - * - SET_CARRIER_FREQ sets a new carrier mode and frequency - * - SET_TX_BITMASK sets the transmitter bitmask - * - SET_RX_TIMEOUT sets the receiver timeout - * - SET_RX_SENSOR sets which receiver sensor to use - */ -static char DEVICE_RESET[] = {MCE_COMMAND_NULL, MCE_HW_CMD_HEADER, - MCE_CMD_DEVICE_RESET}; -static char GET_REVISION[] = {MCE_HW_CMD_HEADER, MCE_CMD_G_REVISION}; -static char GET_UNKNOWN[] = {MCE_HW_CMD_HEADER, MCE_CMD_UNKNOWN7}; -static char GET_UNKNOWN2[] = {MCE_COMMAND_HEADER, MCE_CMD_UNKNOWN2}; -static char GET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, MCE_CMD_G_CARRIER}; -static char GET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TIMEOUT}; -static char GET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TXMASK}; -static char GET_RX_SENSOR[] = {MCE_COMMAND_HEADER, MCE_CMD_G_RXSENSOR}; +/* MCE Device Command Strings, generally a port and command pair */ +static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS, + MCE_CMD_RESUME}; +static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION}; +static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER}; +static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION}; +static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED}; +static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2}; +static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS}; +static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT}; +static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS}; +static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS}; +static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN}; /* sub in desired values in lower byte or bytes for full command */ /* FIXME: make use of these for transmit. -static char SET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, - MCE_CMD_S_CARRIER, 0x00, 0x00}; -static char SET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_S_TXMASK, 0x00}; -static char SET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, - MCE_CMD_S_TIMEOUT, 0x00, 0x00}; -static char SET_RX_SENSOR[] = {MCE_COMMAND_HEADER, - MCE_CMD_S_RXSENSOR, 0x00}; +static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, + MCE_CMD_SETIRCFS, 0x00, 0x00}; +static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00}; +static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, + MCE_CMD_SETIRTIMEOUT, 0x00, 0x00}; +static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR, + MCE_RSP_EQIRRXPORTEN, 0x00}; */ -static int mceusb_cmdsize(u8 cmd, u8 subcmd) +static int mceusb_cmd_datasize(u8 cmd, u8 subcmd) { int datasize = 0; switch (cmd) { - case MCE_COMMAND_NULL: - if (subcmd == MCE_HW_CMD_HEADER) + case MCE_CMD_NULL: + if (subcmd == MCE_CMD_PORT_SYS) datasize = 1; break; - case MCE_HW_CMD_HEADER: + case MCE_CMD_PORT_SYS: switch (subcmd) { + case MCE_RSP_GETPORTSTATUS: + datasize = 5; + break; + case MCE_RSP_EQWAKEVERSION: + datasize = 4; + break; case MCE_CMD_G_REVISION: datasize = 2; break; + case MCE_RSP_EQWAKESUPPORT: + case MCE_RSP_GETWAKESOURCE: + case MCE_RSP_EQDEVDETAILS: + case MCE_RSP_EQEMVER: + datasize = 1; + break; } - case MCE_COMMAND_HEADER: + case MCE_CMD_PORT_IR: switch (subcmd) { case MCE_CMD_UNKNOWN: - case MCE_CMD_S_CARRIER: - case MCE_CMD_S_TIMEOUT: - case MCE_RSP_PULSE_COUNT: + case MCE_RSP_EQIRCFS: + case MCE_RSP_EQIRTIMEOUT: + case MCE_RSP_EQIRRXCFCNT: + case MCE_RSP_EQIRNUMPORTS: datasize = 2; break; case MCE_CMD_SIG_END: - case MCE_CMD_S_TXMASK: - case MCE_CMD_S_RXSENSOR: + case MCE_RSP_EQIRTXPORTS: + case MCE_RSP_EQIRRXPORTEN: datasize = 1; break; } @@ -440,14 +528,12 @@ static int mceusb_cmdsize(u8 cmd, u8 subcmd) static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, int offset, int len, bool out) { - char codes[USB_BUFLEN * 3 + 1]; - char inout[9]; - u8 cmd, subcmd, data1, data2; +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) + char *inout; + u8 cmd, subcmd, data1, data2, data3, data4; struct device *dev = ir->dev; - int i, start, skip = 0; - - if (!debug) - return; + int start, skip = 0; + u32 carrier, period; /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ if (ir->flags.microsoft_gen1 && !out && !offset) @@ -456,110 +542,136 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, if (len <= skip) return; - for (i = 0; i < len && i < USB_BUFLEN; i++) - snprintf(codes + i * 3, 4, "%02x ", buf[i + offset] & 0xff); - - dev_info(dev, "%sx data: %s(length=%d)\n", - (out ? "t" : "r"), codes, len); + dev_dbg(dev, "%cx data: %*ph (length=%d)", + (out ? 't' : 'r'), min(len, USB_BUFLEN), buf, len); - if (out) - strcpy(inout, "Request\0"); - else - strcpy(inout, "Got\0"); + inout = out ? "Request" : "Got"; start = offset + skip; cmd = buf[start] & 0xff; subcmd = buf[start + 1] & 0xff; data1 = buf[start + 2] & 0xff; data2 = buf[start + 3] & 0xff; + data3 = buf[start + 4] & 0xff; + data4 = buf[start + 5] & 0xff; switch (cmd) { - case MCE_COMMAND_NULL: - if ((subcmd == MCE_HW_CMD_HEADER) && - (data1 == MCE_CMD_DEVICE_RESET)) - dev_info(dev, "Device reset requested\n"); + case MCE_CMD_NULL: + if (subcmd == MCE_CMD_NULL) + break; + if ((subcmd == MCE_CMD_PORT_SYS) && + (data1 == MCE_CMD_RESUME)) + dev_dbg(dev, "Device resume requested"); else - dev_info(dev, "Unknown command 0x%02x 0x%02x\n", + dev_dbg(dev, "Unknown command 0x%02x 0x%02x", cmd, subcmd); break; - case MCE_HW_CMD_HEADER: + case MCE_CMD_PORT_SYS: switch (subcmd) { + case MCE_RSP_EQEMVER: + if (!out) + dev_dbg(dev, "Emulator interface version %x", + data1); + break; case MCE_CMD_G_REVISION: if (len == 2) - dev_info(dev, "Get hw/sw rev?\n"); + dev_dbg(dev, "Get hw/sw rev?"); else - dev_info(dev, "hw/sw rev 0x%02x 0x%02x " - "0x%02x 0x%02x\n", data1, data2, + dev_dbg(dev, "hw/sw rev 0x%02x 0x%02x 0x%02x 0x%02x", + data1, data2, buf[start + 4], buf[start + 5]); break; - case MCE_CMD_DEVICE_RESET: - dev_info(dev, "Device reset requested\n"); + case MCE_CMD_RESUME: + dev_dbg(dev, "Device resume requested"); + break; + case MCE_RSP_CMD_ILLEGAL: + dev_dbg(dev, "Illegal PORT_SYS command"); break; - case MCE_RSP_CMD_INVALID: - dev_info(dev, "Previous command not supported\n"); + case MCE_RSP_EQWAKEVERSION: + if (!out) + dev_dbg(dev, "Wake version, proto: 0x%02x, " + "payload: 0x%02x, address: 0x%02x, " + "version: 0x%02x", + data1, data2, data3, data4); + break; + case MCE_RSP_GETPORTSTATUS: + if (!out) + /* We use data1 + 1 here, to match hw labels */ + dev_dbg(dev, "TX port %d: blaster is%s connected", + data1 + 1, data4 ? " not" : ""); + break; + case MCE_CMD_FLASHLED: + dev_dbg(dev, "Attempting to flash LED"); break; - case MCE_CMD_UNKNOWN7: - case MCE_CMD_UNKNOWN9: default: - dev_info(dev, "Unknown command 0x%02x 0x%02x\n", + dev_dbg(dev, "Unknown command 0x%02x 0x%02x", cmd, subcmd); break; } break; - case MCE_COMMAND_HEADER: + case MCE_CMD_PORT_IR: switch (subcmd) { case MCE_CMD_SIG_END: - dev_info(dev, "End of signal\n"); + dev_dbg(dev, "End of signal"); break; case MCE_CMD_PING: - dev_info(dev, "Ping\n"); + dev_dbg(dev, "Ping"); break; case MCE_CMD_UNKNOWN: - dev_info(dev, "Resp to 9f 05 of 0x%02x 0x%02x\n", + dev_dbg(dev, "Resp to 9f 05 of 0x%02x 0x%02x", data1, data2); break; - case MCE_CMD_S_CARRIER: - dev_info(dev, "%s carrier mode and freq of " - "0x%02x 0x%02x\n", inout, data1, data2); + case MCE_RSP_EQIRCFS: + period = DIV_ROUND_CLOSEST( + (1U << data1 * 2) * (data2 + 1), 10); + if (!period) + break; + carrier = (1000 * 1000) / period; + dev_dbg(dev, "%s carrier of %u Hz (period %uus)", + inout, carrier, period); break; - case MCE_CMD_G_CARRIER: - dev_info(dev, "Get carrier mode and freq\n"); + case MCE_CMD_GETIRCFS: + dev_dbg(dev, "Get carrier mode and freq"); break; - case MCE_CMD_S_TXMASK: - dev_info(dev, "%s transmit blaster mask of 0x%02x\n", + case MCE_RSP_EQIRTXPORTS: + dev_dbg(dev, "%s transmit blaster mask of 0x%02x", inout, data1); break; - case MCE_CMD_S_TIMEOUT: - /* value is in units of 50us, so x*50/100 or x/2 ms */ - dev_info(dev, "%s receive timeout of %d ms\n", - inout, ((data1 << 8) | data2) / 2); + case MCE_RSP_EQIRTIMEOUT: + /* value is in units of 50us, so x*50/1000 ms */ + period = ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000; + dev_dbg(dev, "%s receive timeout of %d ms", + inout, period); break; - case MCE_CMD_G_TIMEOUT: - dev_info(dev, "Get receive timeout\n"); + case MCE_CMD_GETIRTIMEOUT: + dev_dbg(dev, "Get receive timeout"); break; - case MCE_CMD_G_TXMASK: - dev_info(dev, "Get transmit blaster mask\n"); + case MCE_CMD_GETIRTXPORTS: + dev_dbg(dev, "Get transmit blaster mask"); break; - case MCE_CMD_S_RXSENSOR: - dev_info(dev, "%s %s-range receive sensor in use\n", + case MCE_RSP_EQIRRXPORTEN: + dev_dbg(dev, "%s %s-range receive sensor in use", inout, data1 == 0x02 ? "short" : "long"); break; - case MCE_CMD_G_RXSENSOR: - /* aka MCE_RSP_PULSE_COUNT */ + case MCE_CMD_GETIRRXPORTEN: + /* aka MCE_RSP_EQIRRXCFCNT */ if (out) - dev_info(dev, "Get receive sensor\n"); + dev_dbg(dev, "Get receive sensor"); else if (ir->learning_enabled) - dev_info(dev, "RX pulse count: %d\n", + dev_dbg(dev, "RX pulse count: %d", ((data1 << 8) | data2)); break; - case MCE_RSP_CMD_INVALID: - dev_info(dev, "Error! Hardware is likely wedged...\n"); + case MCE_RSP_EQIRNUMPORTS: + if (out) + break; + dev_dbg(dev, "Num TX ports: %x, num RX ports: %x", + data1, data2); + break; + case MCE_RSP_CMD_ILLEGAL: + dev_dbg(dev, "Illegal PORT_IR command"); break; - case MCE_CMD_UNKNOWN2: - case MCE_CMD_UNKNOWN3: - case MCE_CMD_UNKNOWN5: default: - dev_info(dev, "Unknown command 0x%02x 0x%02x\n", + dev_dbg(dev, "Unknown command 0x%02x 0x%02x", cmd, subcmd); break; } @@ -569,13 +681,14 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, } if (cmd == MCE_IRDATA_TRAILER) - dev_info(dev, "End of raw IR data\n"); - else if ((cmd != MCE_COMMAND_HEADER) && - ((cmd & MCE_COMMAND_MASK) == MCE_COMMAND_IRDATA)) - dev_info(dev, "Raw IR data, %d pulse/space samples\n", ir->rem); + dev_dbg(dev, "End of raw IR data"); + else if ((cmd != MCE_CMD_PORT_IR) && + ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA)) + dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem); +#endif } -static void mce_async_callback(struct urb *urb, struct pt_regs *regs) +static void mce_async_callback(struct urb *urb) { struct mceusb_dev *ir; int len; @@ -584,23 +697,37 @@ static void mce_async_callback(struct urb *urb, struct pt_regs *regs) return; ir = urb->context; - if (ir) { - len = urb->actual_length; - dev_dbg(ir->dev, "callback called (status=%d len=%d)\n", - urb->status, len); + switch (urb->status) { + /* success */ + case 0: + len = urb->actual_length; mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true); + break; + + case -ECONNRESET: + case -ENOENT: + case -EILSEQ: + case -ESHUTDOWN: + break; + + case -EPIPE: + default: + dev_err(ir->dev, "Error: request urb status = %d", urb->status); + break; } + /* the transfer buffer and urb were allocated in mce_request_packet */ + kfree(urb->transfer_buffer); + usb_free_urb(urb); } /* request incoming or send outgoing usb packet - used to initialize remote */ -static void mce_request_packet(struct mceusb_dev *ir, - struct usb_endpoint_descriptor *ep, - unsigned char *data, int size, int urb_type) +static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, + int size, int urb_type) { - int res; + int res, pipe; struct urb *async_urb; struct device *dev = ir->dev; unsigned char *async_buf; @@ -620,10 +747,19 @@ static void mce_request_packet(struct mceusb_dev *ir, } /* outbound data */ - usb_fill_int_urb(async_urb, ir->usbdev, - usb_sndintpipe(ir->usbdev, ep->bEndpointAddress), - async_buf, size, (usb_complete_t)mce_async_callback, - ir, ep->bInterval); + if (usb_endpoint_xfer_int(ir->usb_ep_out)) { + pipe = usb_sndintpipe(ir->usbdev, + ir->usb_ep_out->bEndpointAddress); + usb_fill_int_urb(async_urb, ir->usbdev, pipe, async_buf, + size, mce_async_callback, ir, + ir->usb_ep_out->bInterval); + } else { + pipe = usb_sndbulkpipe(ir->usbdev, + ir->usb_ep_out->bEndpointAddress); + usb_fill_bulk_urb(async_urb, ir->usbdev, pipe, + async_buf, size, mce_async_callback, + ir); + } memcpy(async_buf, data, size); } else if (urb_type == MCEUSB_RX) { @@ -636,63 +772,64 @@ static void mce_request_packet(struct mceusb_dev *ir, return; } - dev_dbg(dev, "receive request called (size=%#x)\n", size); + dev_dbg(dev, "receive request called (size=%#x)", size); async_urb->transfer_buffer_length = size; async_urb->dev = ir->usbdev; res = usb_submit_urb(async_urb, GFP_ATOMIC); if (res) { - dev_dbg(dev, "receive request FAILED! (res=%d)\n", res); + dev_err(dev, "receive request FAILED! (res=%d)", res); return; } - dev_dbg(dev, "receive request complete (res=%d)\n", res); + dev_dbg(dev, "receive request complete (res=%d)", res); } static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) { - mce_request_packet(ir, ir->usb_ep_out, data, size, MCEUSB_TX); + int rsize = sizeof(DEVICE_RESUME); + + if (ir->need_reset) { + ir->need_reset = false; + mce_request_packet(ir, DEVICE_RESUME, rsize, MCEUSB_TX); + msleep(10); + } + + mce_request_packet(ir, data, size, MCEUSB_TX); + msleep(10); } -static void mce_sync_in(struct mceusb_dev *ir, unsigned char *data, int size) +static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size) { - mce_request_packet(ir, ir->usb_ep_in, data, size, MCEUSB_RX); + mce_request_packet(ir, NULL, size, MCEUSB_RX); } /* Send data out the IR blaster port(s) */ -static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) +static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) { struct mceusb_dev *ir = dev->priv; - int i, ret = 0; - int count, cmdcount = 0; - unsigned char *cmdbuf; /* MCE command buffer */ - long signal_duration = 0; /* Singnal length in us */ - struct timeval start_time, end_time; - - do_gettimeofday(&start_time); - - count = n / sizeof(int); - - cmdbuf = kzalloc(sizeof(int) * MCE_CMDBUF_SIZE, GFP_KERNEL); - if (!cmdbuf) - return -ENOMEM; + int i, length, ret = 0; + int cmdcount = 0; + unsigned char cmdbuf[MCE_CMDBUF_SIZE]; /* MCE tx init header */ - cmdbuf[cmdcount++] = MCE_COMMAND_HEADER; - cmdbuf[cmdcount++] = MCE_CMD_S_TXMASK; + cmdbuf[cmdcount++] = MCE_CMD_PORT_IR; + cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS; cmdbuf[cmdcount++] = ir->tx_mask; + /* Send the set TX ports command */ + mce_async_out(ir, cmdbuf, cmdcount); + cmdcount = 0; + /* Generate mce packet data */ for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { - signal_duration += txbuf[i]; txbuf[i] = txbuf[i] / MCE_TIME_UNIT; do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ /* Insert mce packet header every 4th entry */ if ((cmdcount < MCE_CMDBUF_SIZE) && - (cmdcount - MCE_TX_HEADER_LENGTH) % - MCE_CODE_LENGTH == 0) + (cmdcount % MCE_CODE_LENGTH) == 0) cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; /* Insert mce packet data */ @@ -710,39 +847,24 @@ static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); } - /* Fix packet length in last header */ - cmdbuf[cmdcount - (cmdcount - MCE_TX_HEADER_LENGTH) % MCE_CODE_LENGTH] = - MCE_COMMAND_IRDATA + (cmdcount - MCE_TX_HEADER_LENGTH) % - MCE_CODE_LENGTH - 1; - /* Check if we have room for the empty packet at the end */ if (cmdcount >= MCE_CMDBUF_SIZE) { ret = -EINVAL; goto out; } + /* Fix packet length in last header */ + length = cmdcount % MCE_CODE_LENGTH; + cmdbuf[cmdcount - length] -= MCE_CODE_LENGTH - length; + /* All mce commands end with an empty packet (0x80) */ cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; /* Transmit the command to the mce device */ mce_async_out(ir, cmdbuf, cmdcount); - /* - * The lircd gap calculation expects the write function to - * wait the time it takes for the ircommand to be sent before - * it returns. - */ - do_gettimeofday(&end_time); - signal_duration -= (end_time.tv_usec - start_time.tv_usec) + - (end_time.tv_sec - start_time.tv_sec) * 1000000; - - /* delay with the closest number of ticks */ - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(usecs_to_jiffies(signal_duration)); - out: - kfree(cmdbuf); - return ret ? ret : n; + return ret ? ret : count; } /* Sets active IR outputs -- mce devices typically have two */ @@ -765,8 +887,8 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) struct mceusb_dev *ir = dev->priv; int clk = 10000000; int prescaler = 0, divisor = 0; - unsigned char cmdbuf[4] = { MCE_COMMAND_HEADER, - MCE_CMD_S_CARRIER, 0x00, 0x00 }; + unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR, + MCE_CMD_SETIRCFS, 0x00, 0x00 }; /* Carrier has changed */ if (ir->carrier != carrier) { @@ -775,8 +897,7 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) ir->carrier = carrier; cmdbuf[2] = MCE_CMD_SIG_END; cmdbuf[3] = MCE_IRDATA_TRAILER; - dev_dbg(ir->dev, "%s: disabling carrier " - "modulation\n", __func__); + dev_dbg(ir->dev, "disabling carrier modulation"); mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); return carrier; } @@ -787,8 +908,8 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) ir->carrier = carrier; cmdbuf[2] = prescaler; cmdbuf[3] = divisor; - dev_dbg(ir->dev, "%s: requesting %u HZ " - "carrier\n", __func__, carrier); + dev_dbg(ir->dev, "requesting %u HZ carrier", + carrier); /* Transmit new carrier to mce device */ mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); @@ -814,17 +935,34 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index) u8 lo = ir->buf_in[index + 2] & 0xff; switch (ir->buf_in[index]) { + /* the one and only 5-byte return value command */ + case MCE_RSP_GETPORTSTATUS: + if ((ir->buf_in[index + 4] & 0xff) == 0x00) + ir->txports_cabled |= 1 << hi; + break; + /* 2-byte return value commands */ - case MCE_CMD_S_TIMEOUT: - ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2); + case MCE_RSP_EQIRTIMEOUT: + ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); + break; + case MCE_RSP_EQIRNUMPORTS: + ir->num_txports = hi; + ir->num_rxports = lo; break; /* 1-byte return value commands */ - case MCE_CMD_S_TXMASK: + case MCE_RSP_EQEMVER: + ir->emver = hi; + break; + case MCE_RSP_EQIRTXPORTS: ir->tx_mask = hi; break; - case MCE_CMD_S_RXSENSOR: - ir->learning_enabled = (hi == 0x02); + case MCE_RSP_EQIRRXPORTEN: + ir->learning_enabled = ((hi & 0x02) == 0x02); + ir->rxports_active = hi; + break; + case MCE_RSP_CMD_ILLEGAL: + ir->need_reset = true; break; default: break; @@ -834,6 +972,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index) static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) { DEFINE_IR_RAW_EVENT(rawir); + bool event = false; int i = 0; /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ @@ -847,7 +986,7 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) for (; i < buf_len; i++) { switch (ir->parser_state) { case SUBCMD: - ir->rem = mceusb_cmdsize(ir->cmd, ir->buf_in[i]); + ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]); mceusb_dev_printdata(ir, ir->buf_in, i - 1, ir->rem + 2, false); mceusb_handle_command(ir, i); @@ -860,11 +999,12 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) * US_TO_NS(MCE_TIME_UNIT); - dev_dbg(ir->dev, "Storing %s with duration %d\n", + dev_dbg(ir->dev, "Storing %s with duration %d", rawir.pulse ? "pulse" : "space", rawir.duration); - ir_raw_event_store_with_filter(ir->rc, &rawir); + if (ir_raw_event_store_with_filter(ir->rc, &rawir)) + event = true; break; case CMD_DATA: ir->rem--; @@ -873,8 +1013,8 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) /* decode mce packets of the form (84),AA,BB,CC,DD */ /* IR data packets can span USB messages - rem */ ir->cmd = ir->buf_in[i]; - if ((ir->cmd == MCE_COMMAND_HEADER) || - ((ir->cmd & MCE_COMMAND_MASK) != + if ((ir->cmd == MCE_CMD_PORT_IR) || + ((ir->cmd & MCE_PORT_MASK) != MCE_COMMAND_IRDATA)) { ir->parser_state = SUBCMD; continue; @@ -892,11 +1032,13 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) if (ir->parser_state != CMD_HEADER && !ir->rem) ir->parser_state = CMD_HEADER; } - dev_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n"); - ir_raw_event_handle(ir->rc); + if (event) { + dev_dbg(ir->dev, "processed IR data"); + ir_raw_event_handle(ir->rc); + } } -static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs) +static void mceusb_dev_recv(struct urb *urb) { struct mceusb_dev *ir; int buf_len; @@ -926,29 +1068,36 @@ static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs) case -ECONNRESET: case -ENOENT: + case -EILSEQ: case -ESHUTDOWN: usb_unlink_urb(urb); return; case -EPIPE: default: - dev_dbg(ir->dev, "Error: urb status = %d\n", urb->status); + dev_err(ir->dev, "Error: urb status = %d", urb->status); break; } usb_submit_urb(urb, GFP_ATOMIC); } +static void mceusb_get_emulator_version(struct mceusb_dev *ir) +{ + /* If we get no reply or an illegal command reply, its ver 1, says MS */ + ir->emver = 1; + mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER)); +} + static void mceusb_gen1_init(struct mceusb_dev *ir) { int ret; - int maxp = ir->len_in; struct device *dev = ir->dev; char *data; data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); if (!data) { - dev_err(dev, "%s: memory allocation failed!\n", __func__); + dev_err(dev, "%s: memory allocation failed!", __func__); return; } @@ -959,80 +1108,88 @@ static void mceusb_gen1_init(struct mceusb_dev *ir) ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, data, USB_CTRL_MSG_SZ, HZ * 3); - dev_dbg(dev, "%s - ret = %d\n", __func__, ret); - dev_dbg(dev, "%s - data[0] = %d, data[1] = %d\n", - __func__, data[0], data[1]); + dev_dbg(dev, "set address - ret = %d", ret); + dev_dbg(dev, "set address - data[0] = %d, data[1] = %d", + data[0], data[1]); /* set feature: bit rate 38400 bps */ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, 0xc04e, 0x0000, NULL, 0, HZ * 3); - dev_dbg(dev, "%s - ret = %d\n", __func__, ret); + dev_dbg(dev, "set feature - ret = %d", ret); /* bRequest 4: set char length to 8 bits */ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), 4, USB_TYPE_VENDOR, 0x0808, 0x0000, NULL, 0, HZ * 3); - dev_dbg(dev, "%s - retB = %d\n", __func__, ret); + dev_dbg(dev, "set char length - retB = %d", ret); /* bRequest 2: set handshaking to use DTR/DSR */ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), 2, USB_TYPE_VENDOR, 0x0000, 0x0100, NULL, 0, HZ * 3); - dev_dbg(dev, "%s - retC = %d\n", __func__, ret); + dev_dbg(dev, "set handshake - retC = %d", ret); - /* device reset */ - mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET)); - mce_sync_in(ir, NULL, maxp); + /* device resume */ + mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); /* get hw/sw revision? */ mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); - mce_sync_in(ir, NULL, maxp); kfree(data); -}; +} static void mceusb_gen2_init(struct mceusb_dev *ir) { - int maxp = ir->len_in; + /* device resume */ + mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); - /* device reset */ - mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET)); - mce_sync_in(ir, NULL, maxp); + /* get wake version (protocol, key, address) */ + mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION)); - /* get hw/sw revision? */ - mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); - mce_sync_in(ir, NULL, maxp); - - /* unknown what the next two actually return... */ - mce_async_out(ir, GET_UNKNOWN, sizeof(GET_UNKNOWN)); - mce_sync_in(ir, NULL, maxp); + /* unknown what this one actually returns... */ mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); - mce_sync_in(ir, NULL, maxp); } static void mceusb_get_parameters(struct mceusb_dev *ir) { - int maxp = ir->len_in; + int i; + unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS, + MCE_CMD_GETPORTSTATUS, 0x00 }; + + /* defaults, if the hardware doesn't support querying */ + ir->num_txports = 2; + ir->num_rxports = 2; + + /* get number of tx and rx ports */ + mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS)); /* get the carrier and frequency */ mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); - mce_sync_in(ir, NULL, maxp); - if (!ir->flags.no_tx) { + if (ir->num_txports && !ir->flags.no_tx) /* get the transmitter bitmask */ mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); - mce_sync_in(ir, NULL, maxp); - } /* get receiver timeout value */ mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); - mce_sync_in(ir, NULL, maxp); /* get receiver sensor setting */ mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); - mce_sync_in(ir, NULL, maxp); + + for (i = 0; i < ir->num_txports; i++) { + cmdbuf[2] = i; + mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); + } +} + +static void mceusb_flash_led(struct mceusb_dev *ir) +{ + if (ir->emver < 2) + return; + + mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED)); } static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) @@ -1043,7 +1200,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) rc = rc_allocate_device(); if (!rc) { - dev_err(dev, "remote dev allocation failed\n"); + dev_err(dev, "remote dev allocation failed"); goto out; } @@ -1062,8 +1219,8 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) rc->dev.parent = dev; rc->priv = ir; rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protos = RC_TYPE_ALL; - rc->timeout = US_TO_NS(1000); + rc_set_allowed_protocols(rc, RC_BIT_ALL); + rc->timeout = MS_TO_NS(100); if (!ir->flags.no_tx) { rc->s_tx_mask = mceusb_set_tx_mask; rc->s_tx_carrier = mceusb_set_tx_carrier; @@ -1075,7 +1232,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) ret = rc_register_device(rc); if (ret < 0) { - dev_err(dev, "remote dev registration failed\n"); + dev_err(dev, "remote dev registration failed"); goto out; } @@ -1086,8 +1243,8 @@ out: return NULL; } -static int __devinit mceusb_dev_probe(struct usb_interface *intf, - const struct usb_device_id *id) +static int mceusb_dev_probe(struct usb_interface *intf, + const struct usb_device_id *id) { struct usb_device *dev = interface_to_usbdev(intf); struct usb_host_interface *idesc; @@ -1101,63 +1258,56 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, bool is_gen3; bool is_microsoft_gen1; bool tx_mask_normal; - bool is_polaris; + int ir_intfnum; - dev_dbg(&intf->dev, "%s called\n", __func__); + dev_dbg(&intf->dev, "%s called", __func__); idesc = intf->cur_altsetting; is_gen3 = mceusb_model[model].mce_gen3; is_microsoft_gen1 = mceusb_model[model].mce_gen1; tx_mask_normal = mceusb_model[model].tx_mask_normal; - is_polaris = mceusb_model[model].is_polaris; + ir_intfnum = mceusb_model[model].ir_intfnum; - if (is_polaris) { - /* Interface 0 is IR */ - if (idesc->desc.bInterfaceNumber) - return -ENODEV; - } + /* There are multi-function devices with non-IR interfaces */ + if (idesc->desc.bInterfaceNumber != ir_intfnum) + return -ENODEV; /* step through the endpoints to find first bulk in and out endpoint */ for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { ep = &idesc->endpoint[i].desc; - if ((ep_in == NULL) - && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - == USB_DIR_IN) - && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK) - || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_INT))) { - - ep_in = ep; - ep_in->bmAttributes = USB_ENDPOINT_XFER_INT; - ep_in->bInterval = 1; - dev_dbg(&intf->dev, "acceptable inbound endpoint " - "found\n"); + if (ep_in == NULL) { + if (usb_endpoint_is_bulk_in(ep)) { + ep_in = ep; + dev_dbg(&intf->dev, "acceptable bulk inbound endpoint found\n"); + } else if (usb_endpoint_is_int_in(ep)) { + ep_in = ep; + ep_in->bInterval = 1; + dev_dbg(&intf->dev, "acceptable interrupt inbound endpoint found\n"); + } } - if ((ep_out == NULL) - && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - == USB_DIR_OUT) - && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK) - || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_INT))) { - - ep_out = ep; - ep_out->bmAttributes = USB_ENDPOINT_XFER_INT; - ep_out->bInterval = 1; - dev_dbg(&intf->dev, "acceptable outbound endpoint " - "found\n"); + if (ep_out == NULL) { + if (usb_endpoint_is_bulk_out(ep)) { + ep_out = ep; + dev_dbg(&intf->dev, "acceptable bulk outbound endpoint found\n"); + } else if (usb_endpoint_is_int_out(ep)) { + ep_out = ep; + ep_out->bInterval = 1; + dev_dbg(&intf->dev, "acceptable interrupt outbound endpoint found\n"); + } } } if (ep_in == NULL) { - dev_dbg(&intf->dev, "inbound and/or endpoint not found\n"); + dev_dbg(&intf->dev, "inbound and/or endpoint not found"); return -ENODEV; } - pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); + if (usb_endpoint_xfer_int(ep_in)) + pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); + else + pipe = usb_rcvbulkpipe(dev, ep_in->bEndpointAddress); maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); @@ -1181,7 +1331,6 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, ir->model = model; /* Saving usb interface data for use by the transmitter routine */ - ir->usb_ep_in = ep_in; ir->usb_ep_out = ep_out; if (dev->descriptor.iManufacturer @@ -1198,16 +1347,19 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, if (!ir->rc) goto rc_dev_fail; - /* flush buffers on the device */ - mce_sync_in(ir, NULL, maxp); - mce_sync_in(ir, NULL, maxp); - /* wire up inbound data handler */ - usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, - maxp, (usb_complete_t) mceusb_dev_recv, ir, ep_in->bInterval); + usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp, + mceusb_dev_recv, ir, ep_in->bInterval); ir->urb_in->transfer_dma = ir->dma_in; ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + /* flush buffers on the device */ + dev_dbg(&intf->dev, "Flushing receive buffers\n"); + mce_flush_rx_buffer(ir, maxp); + + /* figure out which firmware/emulator version this hardware has */ + mceusb_get_emulator_version(ir); + /* initialize device */ if (ir->flags.microsoft_gen1) mceusb_gen1_init(ir); @@ -1216,13 +1368,22 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, mceusb_get_parameters(ir); + mceusb_flash_led(ir); + if (!ir->flags.no_tx) mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); usb_set_intfdata(intf, ir); - dev_info(&intf->dev, "Registered %s on usb%d:%d\n", name, - dev->bus->busnum, dev->devnum); + /* enable wake via this device */ + device_set_wakeup_capable(ir->dev, true); + device_set_wakeup_enable(ir->dev, true); + + dev_info(&intf->dev, "Registered %s with mce emulator interface version %x", + name, ir->emver); + dev_info(&intf->dev, "%x tx ports (0x%x cabled) and %x rx sensors (0x%x active)", + ir->num_txports, ir->txports_cabled, + ir->num_rxports, ir->rxports_active); return 0; @@ -1234,13 +1395,13 @@ urb_in_alloc_fail: buf_in_alloc_fail: kfree(ir); mem_alloc_fail: - dev_err(&intf->dev, "%s: device setup failed!\n", __func__); + dev_err(&intf->dev, "%s: device setup failed!", __func__); return -ENOMEM; } -static void __devexit mceusb_dev_disconnect(struct usb_interface *intf) +static void mceusb_dev_disconnect(struct usb_interface *intf) { struct usb_device *dev = interface_to_usbdev(intf); struct mceusb_dev *ir = usb_get_intfdata(intf); @@ -1262,7 +1423,7 @@ static void __devexit mceusb_dev_disconnect(struct usb_interface *intf) static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) { struct mceusb_dev *ir = usb_get_intfdata(intf); - dev_info(ir->dev, "suspend\n"); + dev_info(ir->dev, "suspend"); usb_kill_urb(ir->urb_in); return 0; } @@ -1270,7 +1431,7 @@ static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) static int mceusb_dev_resume(struct usb_interface *intf) { struct mceusb_dev *ir = usb_get_intfdata(intf); - dev_info(ir->dev, "resume\n"); + dev_info(ir->dev, "resume"); if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) return -EIO; return 0; @@ -1286,30 +1447,9 @@ static struct usb_driver mceusb_dev_driver = { .id_table = mceusb_dev_table }; -static int __init mceusb_dev_init(void) -{ - int ret; - - ret = usb_register(&mceusb_dev_driver); - if (ret < 0) - printk(KERN_ERR DRIVER_NAME - ": usb register failed, result = %d\n", ret); - - return ret; -} - -static void __exit mceusb_dev_exit(void) -{ - usb_deregister(&mceusb_dev_driver); -} - -module_init(mceusb_dev_init); -module_exit(mceusb_dev_exit); +module_usb_driver(mceusb_dev_driver); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(usb, mceusb_dev_table); - -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug enabled or not"); |