diff options
Diffstat (limited to 'drivers/hid/hid-debug.c')
| -rw-r--r-- | drivers/hid/hid-debug.c | 187 |
1 files changed, 173 insertions, 14 deletions
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 6abd0369aed..84c3cb15ccd 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -26,9 +26,13 @@ * 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> @@ -110,6 +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"}, @@ -153,6 +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"}, @@ -260,6 +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" }, @@ -338,7 +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" }, @@ -392,7 +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; } @@ -447,6 +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"); @@ -562,16 +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 - 1)] = + 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 - 1); + 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; @@ -716,6 +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", @@ -745,7 +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", @@ -800,6 +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] = { @@ -810,7 +956,7 @@ static const char *relatives[REL_MAX + 1] = { [REL_WHEEL] = "Wheel", [REL_MISC] = "Misc", }; -static const char *absolutes[ABS_MAX + 1] = { +static const char *absolutes[ABS_CNT] = { [ABS_X] = "X", [ABS_Y] = "Y", [ABS_Z] = "Z", [ABS_RX] = "Rx", [ABS_RY] = "Ry", [ABS_RZ] = "Rz", @@ -864,13 +1010,13 @@ static const char **names[EV_MAX + 1] = { [EV_SND] = sounds, [EV_REP] = repeats, }; -void hid_resolv_event(__u8 type, __u16 code, struct seq_file *f) { - +static void hid_resolv_event(__u8 type, __u16 code, struct seq_file *f) +{ seq_printf(f, "%s.%s", events[type] ? events[type] : "?", names[type] ? (names[type][code] ? names[type][code] : "?") : "?"); } -void hid_dump_input_mapping(struct hid_device *hid, struct seq_file *f) +static void hid_dump_input_mapping(struct hid_device *hid, struct seq_file *f) { int i, j, k; struct hid_report *report; @@ -892,15 +1038,21 @@ 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 */ @@ -920,6 +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; @@ -935,7 +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; @@ -948,8 +1103,8 @@ static ssize_t hid_debug_events_read(struct file *file, char __user *buffer, int ret = 0, len; DECLARE_WAITQUEUE(wait, current); + mutex_lock(&list->read_mutex); while (ret == 0) { - mutex_lock(&list->read_mutex); if (list->head == list->tail) { add_wait_queue(&list->hdev->debug_wait, &wait); set_current_state(TASK_INTERRUPTIBLE); @@ -1029,8 +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); @@ -1050,6 +1208,7 @@ static const struct file_operations hid_debug_events_fops = { .read = hid_debug_events_read, .poll = hid_debug_events_poll, .release = hid_debug_events_release, + .llseek = noop_llseek, }; |