Commit | Line | Data |
---|---|---|
c080d89a | 1 | /* |
c080d89a JK |
2 | * (c) 1999 Andreas Gal <gal@cs.uni-magdeburg.de> |
3 | * (c) 2000-2001 Vojtech Pavlik <vojtech@ucw.cz> | |
a635f9dd | 4 | * (c) 2007-2009 Jiri Kosina |
c080d89a | 5 | * |
a635f9dd | 6 | * HID debugging support |
c080d89a JK |
7 | */ |
8 | ||
9 | /* | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | * Should you need to contact me, the author, you can do so either by | |
25 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
26 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
27 | */ | |
28 | ||
a635f9dd JK |
29 | #include <linux/debugfs.h> |
30 | #include <linux/seq_file.h> | |
cd667ce2 | 31 | #include <linux/sched.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
cd667ce2 JK |
33 | #include <linux/uaccess.h> |
34 | #include <linux/poll.h> | |
35 | ||
c080d89a | 36 | #include <linux/hid.h> |
4330eb2e | 37 | #include <linux/hid-debug.h> |
c080d89a | 38 | |
a635f9dd JK |
39 | static struct dentry *hid_debug_root; |
40 | ||
c080d89a JK |
41 | struct hid_usage_entry { |
42 | unsigned page; | |
43 | unsigned usage; | |
0ce1ac3b | 44 | const char *description; |
c080d89a JK |
45 | }; |
46 | ||
47 | static const struct hid_usage_entry hid_usage_table[] = { | |
48 | { 0, 0, "Undefined" }, | |
49 | { 1, 0, "GenericDesktop" }, | |
50 | {0, 0x01, "Pointer"}, | |
51 | {0, 0x02, "Mouse"}, | |
52 | {0, 0x04, "Joystick"}, | |
53 | {0, 0x05, "GamePad"}, | |
54 | {0, 0x06, "Keyboard"}, | |
55 | {0, 0x07, "Keypad"}, | |
56 | {0, 0x08, "MultiAxis"}, | |
57 | {0, 0x30, "X"}, | |
58 | {0, 0x31, "Y"}, | |
59 | {0, 0x32, "Z"}, | |
60 | {0, 0x33, "Rx"}, | |
61 | {0, 0x34, "Ry"}, | |
62 | {0, 0x35, "Rz"}, | |
63 | {0, 0x36, "Slider"}, | |
64 | {0, 0x37, "Dial"}, | |
65 | {0, 0x38, "Wheel"}, | |
66 | {0, 0x39, "HatSwitch"}, | |
67 | {0, 0x3a, "CountedBuffer"}, | |
68 | {0, 0x3b, "ByteCount"}, | |
69 | {0, 0x3c, "MotionWakeup"}, | |
70 | {0, 0x3d, "Start"}, | |
71 | {0, 0x3e, "Select"}, | |
72 | {0, 0x40, "Vx"}, | |
73 | {0, 0x41, "Vy"}, | |
74 | {0, 0x42, "Vz"}, | |
75 | {0, 0x43, "Vbrx"}, | |
76 | {0, 0x44, "Vbry"}, | |
77 | {0, 0x45, "Vbrz"}, | |
78 | {0, 0x46, "Vno"}, | |
79 | {0, 0x80, "SystemControl"}, | |
80 | {0, 0x81, "SystemPowerDown"}, | |
81 | {0, 0x82, "SystemSleep"}, | |
82 | {0, 0x83, "SystemWakeUp"}, | |
83 | {0, 0x84, "SystemContextMenu"}, | |
84 | {0, 0x85, "SystemMainMenu"}, | |
85 | {0, 0x86, "SystemAppMenu"}, | |
86 | {0, 0x87, "SystemMenuHelp"}, | |
87 | {0, 0x88, "SystemMenuExit"}, | |
88 | {0, 0x89, "SystemMenuSelect"}, | |
89 | {0, 0x8a, "SystemMenuRight"}, | |
90 | {0, 0x8b, "SystemMenuLeft"}, | |
91 | {0, 0x8c, "SystemMenuUp"}, | |
92 | {0, 0x8d, "SystemMenuDown"}, | |
93 | {0, 0x90, "D-PadUp"}, | |
94 | {0, 0x91, "D-PadDown"}, | |
95 | {0, 0x92, "D-PadRight"}, | |
96 | {0, 0x93, "D-PadLeft"}, | |
97 | { 2, 0, "Simulation" }, | |
98 | {0, 0xb0, "Aileron"}, | |
99 | {0, 0xb1, "AileronTrim"}, | |
100 | {0, 0xb2, "Anti-Torque"}, | |
101 | {0, 0xb3, "Autopilot"}, | |
102 | {0, 0xb4, "Chaff"}, | |
103 | {0, 0xb5, "Collective"}, | |
104 | {0, 0xb6, "DiveBrake"}, | |
105 | {0, 0xb7, "ElectronicCountermeasures"}, | |
106 | {0, 0xb8, "Elevator"}, | |
107 | {0, 0xb9, "ElevatorTrim"}, | |
108 | {0, 0xba, "Rudder"}, | |
109 | {0, 0xbb, "Throttle"}, | |
110 | {0, 0xbc, "FlightCommunications"}, | |
111 | {0, 0xbd, "FlareRelease"}, | |
112 | {0, 0xbe, "LandingGear"}, | |
113 | {0, 0xbf, "ToeBrake"}, | |
114 | { 7, 0, "Keyboard" }, | |
115 | { 8, 0, "LED" }, | |
116 | {0, 0x01, "NumLock"}, | |
117 | {0, 0x02, "CapsLock"}, | |
118 | {0, 0x03, "ScrollLock"}, | |
119 | {0, 0x04, "Compose"}, | |
120 | {0, 0x05, "Kana"}, | |
121 | {0, 0x4b, "GenericIndicator"}, | |
122 | { 9, 0, "Button" }, | |
123 | { 10, 0, "Ordinal" }, | |
124 | { 12, 0, "Consumer" }, | |
125 | {0, 0x238, "HorizontalWheel"}, | |
126 | { 13, 0, "Digitizers" }, | |
127 | {0, 0x01, "Digitizer"}, | |
128 | {0, 0x02, "Pen"}, | |
129 | {0, 0x03, "LightPen"}, | |
130 | {0, 0x04, "TouchScreen"}, | |
131 | {0, 0x05, "TouchPad"}, | |
132 | {0, 0x20, "Stylus"}, | |
133 | {0, 0x21, "Puck"}, | |
134 | {0, 0x22, "Finger"}, | |
135 | {0, 0x30, "TipPressure"}, | |
136 | {0, 0x31, "BarrelPressure"}, | |
137 | {0, 0x32, "InRange"}, | |
138 | {0, 0x33, "Touch"}, | |
139 | {0, 0x34, "UnTouch"}, | |
140 | {0, 0x35, "Tap"}, | |
141 | {0, 0x39, "TabletFunctionKey"}, | |
142 | {0, 0x3a, "ProgramChangeKey"}, | |
143 | {0, 0x3c, "Invert"}, | |
144 | {0, 0x42, "TipSwitch"}, | |
145 | {0, 0x43, "SecondaryTipSwitch"}, | |
146 | {0, 0x44, "BarrelSwitch"}, | |
147 | {0, 0x45, "Eraser"}, | |
148 | {0, 0x46, "TabletPick"}, | |
89f536cc SC |
149 | {0, 0x47, "Confidence"}, |
150 | {0, 0x48, "Width"}, | |
151 | {0, 0x49, "Height"}, | |
152 | {0, 0x51, "ContactID"}, | |
153 | {0, 0x52, "InputMode"}, | |
154 | {0, 0x53, "DeviceIndex"}, | |
155 | {0, 0x54, "ContactCount"}, | |
156 | {0, 0x55, "ContactMaximumNumber"}, | |
c080d89a JK |
157 | { 15, 0, "PhysicalInterfaceDevice" }, |
158 | {0, 0x00, "Undefined"}, | |
159 | {0, 0x01, "Physical_Interface_Device"}, | |
160 | {0, 0x20, "Normal"}, | |
161 | {0, 0x21, "Set_Effect_Report"}, | |
162 | {0, 0x22, "Effect_Block_Index"}, | |
163 | {0, 0x23, "Parameter_Block_Offset"}, | |
164 | {0, 0x24, "ROM_Flag"}, | |
165 | {0, 0x25, "Effect_Type"}, | |
166 | {0, 0x26, "ET_Constant_Force"}, | |
167 | {0, 0x27, "ET_Ramp"}, | |
168 | {0, 0x28, "ET_Custom_Force_Data"}, | |
169 | {0, 0x30, "ET_Square"}, | |
170 | {0, 0x31, "ET_Sine"}, | |
171 | {0, 0x32, "ET_Triangle"}, | |
172 | {0, 0x33, "ET_Sawtooth_Up"}, | |
173 | {0, 0x34, "ET_Sawtooth_Down"}, | |
174 | {0, 0x40, "ET_Spring"}, | |
175 | {0, 0x41, "ET_Damper"}, | |
176 | {0, 0x42, "ET_Inertia"}, | |
177 | {0, 0x43, "ET_Friction"}, | |
178 | {0, 0x50, "Duration"}, | |
179 | {0, 0x51, "Sample_Period"}, | |
180 | {0, 0x52, "Gain"}, | |
181 | {0, 0x53, "Trigger_Button"}, | |
182 | {0, 0x54, "Trigger_Repeat_Interval"}, | |
183 | {0, 0x55, "Axes_Enable"}, | |
184 | {0, 0x56, "Direction_Enable"}, | |
185 | {0, 0x57, "Direction"}, | |
186 | {0, 0x58, "Type_Specific_Block_Offset"}, | |
187 | {0, 0x59, "Block_Type"}, | |
188 | {0, 0x5A, "Set_Envelope_Report"}, | |
189 | {0, 0x5B, "Attack_Level"}, | |
190 | {0, 0x5C, "Attack_Time"}, | |
191 | {0, 0x5D, "Fade_Level"}, | |
192 | {0, 0x5E, "Fade_Time"}, | |
193 | {0, 0x5F, "Set_Condition_Report"}, | |
194 | {0, 0x60, "CP_Offset"}, | |
195 | {0, 0x61, "Positive_Coefficient"}, | |
196 | {0, 0x62, "Negative_Coefficient"}, | |
197 | {0, 0x63, "Positive_Saturation"}, | |
198 | {0, 0x64, "Negative_Saturation"}, | |
199 | {0, 0x65, "Dead_Band"}, | |
200 | {0, 0x66, "Download_Force_Sample"}, | |
201 | {0, 0x67, "Isoch_Custom_Force_Enable"}, | |
202 | {0, 0x68, "Custom_Force_Data_Report"}, | |
203 | {0, 0x69, "Custom_Force_Data"}, | |
204 | {0, 0x6A, "Custom_Force_Vendor_Defined_Data"}, | |
205 | {0, 0x6B, "Set_Custom_Force_Report"}, | |
206 | {0, 0x6C, "Custom_Force_Data_Offset"}, | |
207 | {0, 0x6D, "Sample_Count"}, | |
208 | {0, 0x6E, "Set_Periodic_Report"}, | |
209 | {0, 0x6F, "Offset"}, | |
210 | {0, 0x70, "Magnitude"}, | |
211 | {0, 0x71, "Phase"}, | |
212 | {0, 0x72, "Period"}, | |
213 | {0, 0x73, "Set_Constant_Force_Report"}, | |
214 | {0, 0x74, "Set_Ramp_Force_Report"}, | |
215 | {0, 0x75, "Ramp_Start"}, | |
216 | {0, 0x76, "Ramp_End"}, | |
217 | {0, 0x77, "Effect_Operation_Report"}, | |
218 | {0, 0x78, "Effect_Operation"}, | |
219 | {0, 0x79, "Op_Effect_Start"}, | |
220 | {0, 0x7A, "Op_Effect_Start_Solo"}, | |
221 | {0, 0x7B, "Op_Effect_Stop"}, | |
222 | {0, 0x7C, "Loop_Count"}, | |
223 | {0, 0x7D, "Device_Gain_Report"}, | |
224 | {0, 0x7E, "Device_Gain"}, | |
225 | {0, 0x7F, "PID_Pool_Report"}, | |
226 | {0, 0x80, "RAM_Pool_Size"}, | |
227 | {0, 0x81, "ROM_Pool_Size"}, | |
228 | {0, 0x82, "ROM_Effect_Block_Count"}, | |
229 | {0, 0x83, "Simultaneous_Effects_Max"}, | |
230 | {0, 0x84, "Pool_Alignment"}, | |
231 | {0, 0x85, "PID_Pool_Move_Report"}, | |
232 | {0, 0x86, "Move_Source"}, | |
233 | {0, 0x87, "Move_Destination"}, | |
234 | {0, 0x88, "Move_Length"}, | |
235 | {0, 0x89, "PID_Block_Load_Report"}, | |
236 | {0, 0x8B, "Block_Load_Status"}, | |
237 | {0, 0x8C, "Block_Load_Success"}, | |
238 | {0, 0x8D, "Block_Load_Full"}, | |
239 | {0, 0x8E, "Block_Load_Error"}, | |
240 | {0, 0x8F, "Block_Handle"}, | |
241 | {0, 0x90, "PID_Block_Free_Report"}, | |
242 | {0, 0x91, "Type_Specific_Block_Handle"}, | |
243 | {0, 0x92, "PID_State_Report"}, | |
244 | {0, 0x94, "Effect_Playing"}, | |
245 | {0, 0x95, "PID_Device_Control_Report"}, | |
246 | {0, 0x96, "PID_Device_Control"}, | |
247 | {0, 0x97, "DC_Enable_Actuators"}, | |
248 | {0, 0x98, "DC_Disable_Actuators"}, | |
249 | {0, 0x99, "DC_Stop_All_Effects"}, | |
250 | {0, 0x9A, "DC_Device_Reset"}, | |
251 | {0, 0x9B, "DC_Device_Pause"}, | |
252 | {0, 0x9C, "DC_Device_Continue"}, | |
253 | {0, 0x9F, "Device_Paused"}, | |
254 | {0, 0xA0, "Actuators_Enabled"}, | |
255 | {0, 0xA4, "Safety_Switch"}, | |
256 | {0, 0xA5, "Actuator_Override_Switch"}, | |
257 | {0, 0xA6, "Actuator_Power"}, | |
258 | {0, 0xA7, "Start_Delay"}, | |
259 | {0, 0xA8, "Parameter_Block_Size"}, | |
260 | {0, 0xA9, "Device_Managed_Pool"}, | |
261 | {0, 0xAA, "Shared_Parameter_Blocks"}, | |
262 | {0, 0xAB, "Create_New_Effect_Report"}, | |
263 | {0, 0xAC, "RAM_Pool_Available"}, | |
264 | { 0x84, 0, "Power Device" }, | |
265 | { 0x84, 0x02, "PresentStatus" }, | |
266 | { 0x84, 0x03, "ChangeStatus" }, | |
267 | { 0x84, 0x04, "UPS" }, | |
268 | { 0x84, 0x05, "PowerSupply" }, | |
269 | { 0x84, 0x10, "BatterySystem" }, | |
270 | { 0x84, 0x11, "BatterySystemID" }, | |
271 | { 0x84, 0x12, "Battery" }, | |
272 | { 0x84, 0x13, "BatteryID" }, | |
273 | { 0x84, 0x14, "Charger" }, | |
274 | { 0x84, 0x15, "ChargerID" }, | |
275 | { 0x84, 0x16, "PowerConverter" }, | |
276 | { 0x84, 0x17, "PowerConverterID" }, | |
277 | { 0x84, 0x18, "OutletSystem" }, | |
278 | { 0x84, 0x19, "OutletSystemID" }, | |
279 | { 0x84, 0x1a, "Input" }, | |
280 | { 0x84, 0x1b, "InputID" }, | |
281 | { 0x84, 0x1c, "Output" }, | |
282 | { 0x84, 0x1d, "OutputID" }, | |
283 | { 0x84, 0x1e, "Flow" }, | |
284 | { 0x84, 0x1f, "FlowID" }, | |
285 | { 0x84, 0x20, "Outlet" }, | |
286 | { 0x84, 0x21, "OutletID" }, | |
287 | { 0x84, 0x22, "Gang" }, | |
288 | { 0x84, 0x24, "PowerSummary" }, | |
289 | { 0x84, 0x25, "PowerSummaryID" }, | |
290 | { 0x84, 0x30, "Voltage" }, | |
291 | { 0x84, 0x31, "Current" }, | |
292 | { 0x84, 0x32, "Frequency" }, | |
293 | { 0x84, 0x33, "ApparentPower" }, | |
294 | { 0x84, 0x35, "PercentLoad" }, | |
295 | { 0x84, 0x40, "ConfigVoltage" }, | |
296 | { 0x84, 0x41, "ConfigCurrent" }, | |
297 | { 0x84, 0x43, "ConfigApparentPower" }, | |
298 | { 0x84, 0x53, "LowVoltageTransfer" }, | |
299 | { 0x84, 0x54, "HighVoltageTransfer" }, | |
300 | { 0x84, 0x56, "DelayBeforeStartup" }, | |
301 | { 0x84, 0x57, "DelayBeforeShutdown" }, | |
302 | { 0x84, 0x58, "Test" }, | |
303 | { 0x84, 0x5a, "AudibleAlarmControl" }, | |
304 | { 0x84, 0x60, "Present" }, | |
305 | { 0x84, 0x61, "Good" }, | |
306 | { 0x84, 0x62, "InternalFailure" }, | |
307 | { 0x84, 0x65, "Overload" }, | |
308 | { 0x84, 0x66, "OverCharged" }, | |
309 | { 0x84, 0x67, "OverTemperature" }, | |
310 | { 0x84, 0x68, "ShutdownRequested" }, | |
311 | { 0x84, 0x69, "ShutdownImminent" }, | |
312 | { 0x84, 0x6b, "SwitchOn/Off" }, | |
313 | { 0x84, 0x6c, "Switchable" }, | |
314 | { 0x84, 0x6d, "Used" }, | |
315 | { 0x84, 0x6e, "Boost" }, | |
316 | { 0x84, 0x73, "CommunicationLost" }, | |
317 | { 0x84, 0xfd, "iManufacturer" }, | |
318 | { 0x84, 0xfe, "iProduct" }, | |
319 | { 0x84, 0xff, "iSerialNumber" }, | |
320 | { 0x85, 0, "Battery System" }, | |
321 | { 0x85, 0x01, "SMBBatteryMode" }, | |
322 | { 0x85, 0x02, "SMBBatteryStatus" }, | |
323 | { 0x85, 0x03, "SMBAlarmWarning" }, | |
324 | { 0x85, 0x04, "SMBChargerMode" }, | |
325 | { 0x85, 0x05, "SMBChargerStatus" }, | |
326 | { 0x85, 0x06, "SMBChargerSpecInfo" }, | |
327 | { 0x85, 0x07, "SMBSelectorState" }, | |
328 | { 0x85, 0x08, "SMBSelectorPresets" }, | |
329 | { 0x85, 0x09, "SMBSelectorInfo" }, | |
330 | { 0x85, 0x29, "RemainingCapacityLimit" }, | |
331 | { 0x85, 0x2c, "CapacityMode" }, | |
332 | { 0x85, 0x42, "BelowRemainingCapacityLimit" }, | |
333 | { 0x85, 0x44, "Charging" }, | |
334 | { 0x85, 0x45, "Discharging" }, | |
335 | { 0x85, 0x4b, "NeedReplacement" }, | |
336 | { 0x85, 0x66, "RemainingCapacity" }, | |
337 | { 0x85, 0x68, "RunTimeToEmpty" }, | |
338 | { 0x85, 0x6a, "AverageTimeToFull" }, | |
339 | { 0x85, 0x83, "DesignCapacity" }, | |
340 | { 0x85, 0x85, "ManufacturerDate" }, | |
341 | { 0x85, 0x89, "iDeviceChemistry" }, | |
342 | { 0x85, 0x8b, "Rechargable" }, | |
343 | { 0x85, 0x8f, "iOEMInformation" }, | |
344 | { 0x85, 0x8d, "CapacityGranularity1" }, | |
345 | { 0x85, 0xd0, "ACPresent" }, | |
346 | /* pages 0xff00 to 0xffff are vendor-specific */ | |
347 | { 0xffff, 0, "Vendor-specific-FF" }, | |
348 | { 0, 0, NULL } | |
349 | }; | |
350 | ||
cd667ce2 JK |
351 | /* Either output directly into simple seq_file, or (if f == NULL) |
352 | * allocate a separate buffer that will then be passed to the 'events' | |
353 | * ringbuffer. | |
354 | * | |
355 | * This is because these functions can be called both for "one-shot" | |
356 | * "rdesc" while resolving, or for blocking "events". | |
357 | * | |
358 | * This holds both for resolv_usage_page() and hid_resolv_usage(). | |
359 | */ | |
360 | static char *resolv_usage_page(unsigned page, struct seq_file *f) { | |
c080d89a | 361 | const struct hid_usage_entry *p; |
cd667ce2 JK |
362 | char *buf = NULL; |
363 | ||
364 | if (!f) { | |
365 | buf = kzalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); | |
366 | if (!buf) | |
367 | return ERR_PTR(-ENOMEM); | |
368 | } | |
c080d89a JK |
369 | |
370 | for (p = hid_usage_table; p->description; p++) | |
371 | if (p->page == page) { | |
cd667ce2 JK |
372 | if (!f) { |
373 | snprintf(buf, HID_DEBUG_BUFSIZE, "%s", | |
374 | p->description); | |
375 | return buf; | |
376 | } | |
377 | else { | |
a635f9dd | 378 | seq_printf(f, "%s", p->description); |
cd667ce2 JK |
379 | return NULL; |
380 | } | |
c080d89a | 381 | } |
a635f9dd | 382 | if (!f) |
cd667ce2 | 383 | snprintf(buf, HID_DEBUG_BUFSIZE, "%04x", page); |
a635f9dd JK |
384 | else |
385 | seq_printf(f, "%04x", page); | |
cd667ce2 | 386 | return buf; |
c080d89a JK |
387 | } |
388 | ||
cd667ce2 | 389 | char *hid_resolv_usage(unsigned usage, struct seq_file *f) { |
c080d89a | 390 | const struct hid_usage_entry *p; |
cd667ce2 JK |
391 | char *buf = NULL; |
392 | int len = 0; | |
c080d89a | 393 | |
cd667ce2 JK |
394 | buf = resolv_usage_page(usage >> 16, f); |
395 | if (IS_ERR(buf)) { | |
396 | printk(KERN_ERR "error allocating HID debug buffer\n"); | |
397 | return NULL; | |
398 | } | |
c080d89a | 399 | |
58037eb9 | 400 | |
cd667ce2 JK |
401 | if (!f) { |
402 | len = strlen(buf); | |
403 | snprintf(buf+len, max(0, HID_DEBUG_BUFSIZE - len), "."); | |
404 | len++; | |
405 | } | |
406 | else { | |
a635f9dd | 407 | seq_printf(f, "."); |
cd667ce2 | 408 | } |
c080d89a JK |
409 | for (p = hid_usage_table; p->description; p++) |
410 | if (p->page == (usage >> 16)) { | |
411 | for(++p; p->description && p->usage != 0; p++) | |
412 | if (p->usage == (usage & 0xffff)) { | |
a635f9dd | 413 | if (!f) |
cd667ce2 JK |
414 | snprintf(buf + len, |
415 | max(0,HID_DEBUG_BUFSIZE - len - 1), | |
416 | "%s", p->description); | |
a635f9dd JK |
417 | else |
418 | seq_printf(f, | |
419 | "%s", | |
420 | p->description); | |
cd667ce2 | 421 | return buf; |
c080d89a JK |
422 | } |
423 | break; | |
424 | } | |
a635f9dd | 425 | if (!f) |
cd667ce2 JK |
426 | snprintf(buf + len, max(0, HID_DEBUG_BUFSIZE - len - 1), |
427 | "%04x", usage & 0xffff); | |
a635f9dd JK |
428 | else |
429 | seq_printf(f, "%04x", usage & 0xffff); | |
cd667ce2 | 430 | return buf; |
c080d89a JK |
431 | } |
432 | EXPORT_SYMBOL_GPL(hid_resolv_usage); | |
433 | ||
a635f9dd JK |
434 | static void tab(int n, struct seq_file *f) { |
435 | seq_printf(f, "%*s", n, ""); | |
c080d89a JK |
436 | } |
437 | ||
a635f9dd | 438 | void hid_dump_field(struct hid_field *field, int n, struct seq_file *f) { |
c080d89a JK |
439 | int j; |
440 | ||
441 | if (field->physical) { | |
a635f9dd JK |
442 | tab(n, f); |
443 | seq_printf(f, "Physical("); | |
444 | hid_resolv_usage(field->physical, f); seq_printf(f, ")\n"); | |
c080d89a JK |
445 | } |
446 | if (field->logical) { | |
a635f9dd JK |
447 | tab(n, f); |
448 | seq_printf(f, "Logical("); | |
449 | hid_resolv_usage(field->logical, f); seq_printf(f, ")\n"); | |
c080d89a | 450 | } |
a635f9dd | 451 | tab(n, f); seq_printf(f, "Usage(%d)\n", field->maxusage); |
c080d89a | 452 | for (j = 0; j < field->maxusage; j++) { |
a635f9dd | 453 | tab(n+2, f); hid_resolv_usage(field->usage[j].hid, f); seq_printf(f, "\n"); |
c080d89a JK |
454 | } |
455 | if (field->logical_minimum != field->logical_maximum) { | |
a635f9dd JK |
456 | tab(n, f); seq_printf(f, "Logical Minimum(%d)\n", field->logical_minimum); |
457 | tab(n, f); seq_printf(f, "Logical Maximum(%d)\n", field->logical_maximum); | |
c080d89a JK |
458 | } |
459 | if (field->physical_minimum != field->physical_maximum) { | |
a635f9dd JK |
460 | tab(n, f); seq_printf(f, "Physical Minimum(%d)\n", field->physical_minimum); |
461 | tab(n, f); seq_printf(f, "Physical Maximum(%d)\n", field->physical_maximum); | |
c080d89a JK |
462 | } |
463 | if (field->unit_exponent) { | |
a635f9dd | 464 | tab(n, f); seq_printf(f, "Unit Exponent(%d)\n", field->unit_exponent); |
c080d89a JK |
465 | } |
466 | if (field->unit) { | |
0ce1ac3b JP |
467 | static const char *systems[5] = { "None", "SI Linear", "SI Rotation", "English Linear", "English Rotation" }; |
468 | static const char *units[5][8] = { | |
c080d89a JK |
469 | { "None", "None", "None", "None", "None", "None", "None", "None" }, |
470 | { "None", "Centimeter", "Gram", "Seconds", "Kelvin", "Ampere", "Candela", "None" }, | |
471 | { "None", "Radians", "Gram", "Seconds", "Kelvin", "Ampere", "Candela", "None" }, | |
472 | { "None", "Inch", "Slug", "Seconds", "Fahrenheit", "Ampere", "Candela", "None" }, | |
473 | { "None", "Degrees", "Slug", "Seconds", "Fahrenheit", "Ampere", "Candela", "None" } | |
474 | }; | |
475 | ||
476 | int i; | |
477 | int sys; | |
478 | __u32 data = field->unit; | |
479 | ||
480 | /* First nibble tells us which system we're in. */ | |
481 | sys = data & 0xf; | |
482 | data >>= 4; | |
483 | ||
484 | if(sys > 4) { | |
a635f9dd | 485 | tab(n, f); seq_printf(f, "Unit(Invalid)\n"); |
c080d89a JK |
486 | } |
487 | else { | |
488 | int earlier_unit = 0; | |
489 | ||
a635f9dd | 490 | tab(n, f); seq_printf(f, "Unit(%s : ", systems[sys]); |
c080d89a JK |
491 | |
492 | for (i=1 ; i<sizeof(__u32)*2 ; i++) { | |
493 | char nibble = data & 0xf; | |
494 | data >>= 4; | |
495 | if (nibble != 0) { | |
496 | if(earlier_unit++ > 0) | |
a635f9dd JK |
497 | seq_printf(f, "*"); |
498 | seq_printf(f, "%s", units[sys][i]); | |
c080d89a JK |
499 | if(nibble != 1) { |
500 | /* This is a _signed_ nibble(!) */ | |
501 | ||
502 | int val = nibble & 0x7; | |
503 | if(nibble & 0x08) | |
504 | val = -((0x7 & ~val) +1); | |
a635f9dd | 505 | seq_printf(f, "^%d", val); |
c080d89a JK |
506 | } |
507 | } | |
508 | } | |
a635f9dd | 509 | seq_printf(f, ")\n"); |
c080d89a JK |
510 | } |
511 | } | |
a635f9dd JK |
512 | tab(n, f); seq_printf(f, "Report Size(%u)\n", field->report_size); |
513 | tab(n, f); seq_printf(f, "Report Count(%u)\n", field->report_count); | |
514 | tab(n, f); seq_printf(f, "Report Offset(%u)\n", field->report_offset); | |
c080d89a | 515 | |
a635f9dd | 516 | tab(n, f); seq_printf(f, "Flags( "); |
c080d89a | 517 | j = field->flags; |
a635f9dd JK |
518 | seq_printf(f, "%s", HID_MAIN_ITEM_CONSTANT & j ? "Constant " : ""); |
519 | seq_printf(f, "%s", HID_MAIN_ITEM_VARIABLE & j ? "Variable " : "Array "); | |
520 | seq_printf(f, "%s", HID_MAIN_ITEM_RELATIVE & j ? "Relative " : "Absolute "); | |
521 | seq_printf(f, "%s", HID_MAIN_ITEM_WRAP & j ? "Wrap " : ""); | |
522 | seq_printf(f, "%s", HID_MAIN_ITEM_NONLINEAR & j ? "NonLinear " : ""); | |
523 | seq_printf(f, "%s", HID_MAIN_ITEM_NO_PREFERRED & j ? "NoPreferredState " : ""); | |
524 | seq_printf(f, "%s", HID_MAIN_ITEM_NULL_STATE & j ? "NullState " : ""); | |
525 | seq_printf(f, "%s", HID_MAIN_ITEM_VOLATILE & j ? "Volatile " : ""); | |
526 | seq_printf(f, "%s", HID_MAIN_ITEM_BUFFERED_BYTE & j ? "BufferedByte " : ""); | |
527 | seq_printf(f, ")\n"); | |
c080d89a JK |
528 | } |
529 | EXPORT_SYMBOL_GPL(hid_dump_field); | |
530 | ||
a635f9dd JK |
531 | void hid_dump_device(struct hid_device *device, struct seq_file *f) |
532 | { | |
c080d89a JK |
533 | struct hid_report_enum *report_enum; |
534 | struct hid_report *report; | |
535 | struct list_head *list; | |
536 | unsigned i,k; | |
0ce1ac3b | 537 | static const char *table[] = {"INPUT", "OUTPUT", "FEATURE"}; |
c080d89a JK |
538 | |
539 | for (i = 0; i < HID_REPORT_TYPES; i++) { | |
540 | report_enum = device->report_enum + i; | |
541 | list = report_enum->report_list.next; | |
542 | while (list != &report_enum->report_list) { | |
543 | report = (struct hid_report *) list; | |
a635f9dd JK |
544 | tab(2, f); |
545 | seq_printf(f, "%s", table[i]); | |
c080d89a | 546 | if (report->id) |
a635f9dd JK |
547 | seq_printf(f, "(%d)", report->id); |
548 | seq_printf(f, "[%s]", table[report->type]); | |
549 | seq_printf(f, "\n"); | |
c080d89a | 550 | for (k = 0; k < report->maxfield; k++) { |
a635f9dd JK |
551 | tab(4, f); |
552 | seq_printf(f, "Field(%d)\n", k); | |
553 | hid_dump_field(report->field[k], 6, f); | |
c080d89a JK |
554 | } |
555 | list = list->next; | |
556 | } | |
557 | } | |
558 | } | |
559 | EXPORT_SYMBOL_GPL(hid_dump_device); | |
560 | ||
cd667ce2 JK |
561 | /* enqueue string to 'events' ring buffer */ |
562 | void hid_debug_event(struct hid_device *hdev, char *buf) | |
563 | { | |
564 | int i; | |
565 | struct hid_debug_list *list; | |
566 | ||
567 | list_for_each_entry(list, &hdev->debug_list, node) { | |
e639ba48 BP |
568 | for (i = 0; i < strlen(buf); i++) |
569 | list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] = | |
cd667ce2 | 570 | buf[i]; |
e639ba48 | 571 | list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE; |
cd667ce2 JK |
572 | } |
573 | } | |
574 | EXPORT_SYMBOL_GPL(hid_debug_event); | |
575 | ||
576 | void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 value) | |
577 | { | |
578 | char *buf; | |
579 | int len; | |
580 | ||
581 | buf = hid_resolv_usage(usage->hid, NULL); | |
582 | if (!buf) | |
58037eb9 | 583 | return; |
cd667ce2 JK |
584 | len = strlen(buf); |
585 | snprintf(buf + len, HID_DEBUG_BUFSIZE - len - 1, " = %d\n", value); | |
586 | ||
587 | hid_debug_event(hdev, buf); | |
588 | ||
589 | kfree(buf); | |
590 | wake_up_interruptible(&hdev->debug_wait); | |
58037eb9 | 591 | |
c080d89a JK |
592 | } |
593 | EXPORT_SYMBOL_GPL(hid_dump_input); | |
594 | ||
0ce1ac3b | 595 | static const char *events[EV_MAX + 1] = { |
c080d89a JK |
596 | [EV_SYN] = "Sync", [EV_KEY] = "Key", |
597 | [EV_REL] = "Relative", [EV_ABS] = "Absolute", | |
598 | [EV_MSC] = "Misc", [EV_LED] = "LED", | |
599 | [EV_SND] = "Sound", [EV_REP] = "Repeat", | |
600 | [EV_FF] = "ForceFeedback", [EV_PWR] = "Power", | |
601 | [EV_FF_STATUS] = "ForceFeedbackStatus", | |
602 | }; | |
603 | ||
89f536cc | 604 | static const char *syncs[3] = { |
c080d89a | 605 | [SYN_REPORT] = "Report", [SYN_CONFIG] = "Config", |
89f536cc | 606 | [SYN_MT_REPORT] = "MT Report", |
c080d89a | 607 | }; |
89f536cc | 608 | |
0ce1ac3b | 609 | static const char *keys[KEY_MAX + 1] = { |
c080d89a JK |
610 | [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", |
611 | [KEY_1] = "1", [KEY_2] = "2", | |
612 | [KEY_3] = "3", [KEY_4] = "4", | |
613 | [KEY_5] = "5", [KEY_6] = "6", | |
614 | [KEY_7] = "7", [KEY_8] = "8", | |
615 | [KEY_9] = "9", [KEY_0] = "0", | |
616 | [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal", | |
617 | [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab", | |
618 | [KEY_Q] = "Q", [KEY_W] = "W", | |
619 | [KEY_E] = "E", [KEY_R] = "R", | |
620 | [KEY_T] = "T", [KEY_Y] = "Y", | |
621 | [KEY_U] = "U", [KEY_I] = "I", | |
622 | [KEY_O] = "O", [KEY_P] = "P", | |
623 | [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace", | |
624 | [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl", | |
625 | [KEY_A] = "A", [KEY_S] = "S", | |
626 | [KEY_D] = "D", [KEY_F] = "F", | |
627 | [KEY_G] = "G", [KEY_H] = "H", | |
628 | [KEY_J] = "J", [KEY_K] = "K", | |
629 | [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon", | |
630 | [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave", | |
631 | [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash", | |
632 | [KEY_Z] = "Z", [KEY_X] = "X", | |
633 | [KEY_C] = "C", [KEY_V] = "V", | |
634 | [KEY_B] = "B", [KEY_N] = "N", | |
635 | [KEY_M] = "M", [KEY_COMMA] = "Comma", | |
636 | [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash", | |
637 | [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk", | |
638 | [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space", | |
639 | [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1", | |
640 | [KEY_F2] = "F2", [KEY_F3] = "F3", | |
641 | [KEY_F4] = "F4", [KEY_F5] = "F5", | |
642 | [KEY_F6] = "F6", [KEY_F7] = "F7", | |
643 | [KEY_F8] = "F8", [KEY_F9] = "F9", | |
644 | [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock", | |
645 | [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7", | |
646 | [KEY_KP8] = "KP8", [KEY_KP9] = "KP9", | |
647 | [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4", | |
648 | [KEY_KP5] = "KP5", [KEY_KP6] = "KP6", | |
649 | [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1", | |
650 | [KEY_KP2] = "KP2", [KEY_KP3] = "KP3", | |
651 | [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot", | |
652 | [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd", | |
653 | [KEY_F11] = "F11", [KEY_F12] = "F12", | |
654 | [KEY_RO] = "RO", [KEY_KATAKANA] = "Katakana", | |
655 | [KEY_HIRAGANA] = "HIRAGANA", [KEY_HENKAN] = "Henkan", | |
656 | [KEY_KATAKANAHIRAGANA] = "Katakana/Hiragana", [KEY_MUHENKAN] = "Muhenkan", | |
657 | [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter", | |
658 | [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash", | |
659 | [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt", | |
660 | [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home", | |
661 | [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp", | |
662 | [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right", | |
663 | [KEY_END] = "End", [KEY_DOWN] = "Down", | |
664 | [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert", | |
665 | [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro", | |
666 | [KEY_MUTE] = "Mute", [KEY_VOLUMEDOWN] = "VolumeDown", | |
667 | [KEY_VOLUMEUP] = "VolumeUp", [KEY_POWER] = "Power", | |
668 | [KEY_KPEQUAL] = "KPEqual", [KEY_KPPLUSMINUS] = "KPPlusMinus", | |
669 | [KEY_PAUSE] = "Pause", [KEY_KPCOMMA] = "KPComma", | |
670 | [KEY_HANGUEL] = "Hangeul", [KEY_HANJA] = "Hanja", | |
671 | [KEY_YEN] = "Yen", [KEY_LEFTMETA] = "LeftMeta", | |
672 | [KEY_RIGHTMETA] = "RightMeta", [KEY_COMPOSE] = "Compose", | |
673 | [KEY_STOP] = "Stop", [KEY_AGAIN] = "Again", | |
674 | [KEY_PROPS] = "Props", [KEY_UNDO] = "Undo", | |
675 | [KEY_FRONT] = "Front", [KEY_COPY] = "Copy", | |
676 | [KEY_OPEN] = "Open", [KEY_PASTE] = "Paste", | |
677 | [KEY_FIND] = "Find", [KEY_CUT] = "Cut", | |
678 | [KEY_HELP] = "Help", [KEY_MENU] = "Menu", | |
679 | [KEY_CALC] = "Calc", [KEY_SETUP] = "Setup", | |
680 | [KEY_SLEEP] = "Sleep", [KEY_WAKEUP] = "WakeUp", | |
681 | [KEY_FILE] = "File", [KEY_SENDFILE] = "SendFile", | |
682 | [KEY_DELETEFILE] = "DeleteFile", [KEY_XFER] = "X-fer", | |
683 | [KEY_PROG1] = "Prog1", [KEY_PROG2] = "Prog2", | |
684 | [KEY_WWW] = "WWW", [KEY_MSDOS] = "MSDOS", | |
685 | [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction", | |
686 | [KEY_CYCLEWINDOWS] = "CycleWindows", [KEY_MAIL] = "Mail", | |
687 | [KEY_BOOKMARKS] = "Bookmarks", [KEY_COMPUTER] = "Computer", | |
688 | [KEY_BACK] = "Back", [KEY_FORWARD] = "Forward", | |
689 | [KEY_CLOSECD] = "CloseCD", [KEY_EJECTCD] = "EjectCD", | |
690 | [KEY_EJECTCLOSECD] = "EjectCloseCD", [KEY_NEXTSONG] = "NextSong", | |
691 | [KEY_PLAYPAUSE] = "PlayPause", [KEY_PREVIOUSSONG] = "PreviousSong", | |
692 | [KEY_STOPCD] = "StopCD", [KEY_RECORD] = "Record", | |
693 | [KEY_REWIND] = "Rewind", [KEY_PHONE] = "Phone", | |
694 | [KEY_ISO] = "ISOKey", [KEY_CONFIG] = "Config", | |
695 | [KEY_HOMEPAGE] = "HomePage", [KEY_REFRESH] = "Refresh", | |
696 | [KEY_EXIT] = "Exit", [KEY_MOVE] = "Move", | |
697 | [KEY_EDIT] = "Edit", [KEY_SCROLLUP] = "ScrollUp", | |
698 | [KEY_SCROLLDOWN] = "ScrollDown", [KEY_KPLEFTPAREN] = "KPLeftParenthesis", | |
699 | [KEY_KPRIGHTPAREN] = "KPRightParenthesis", [KEY_NEW] = "New", | |
700 | [KEY_REDO] = "Redo", [KEY_F13] = "F13", | |
701 | [KEY_F14] = "F14", [KEY_F15] = "F15", | |
702 | [KEY_F16] = "F16", [KEY_F17] = "F17", | |
703 | [KEY_F18] = "F18", [KEY_F19] = "F19", | |
704 | [KEY_F20] = "F20", [KEY_F21] = "F21", | |
705 | [KEY_F22] = "F22", [KEY_F23] = "F23", | |
706 | [KEY_F24] = "F24", [KEY_PLAYCD] = "PlayCD", | |
707 | [KEY_PAUSECD] = "PauseCD", [KEY_PROG3] = "Prog3", | |
708 | [KEY_PROG4] = "Prog4", [KEY_SUSPEND] = "Suspend", | |
709 | [KEY_CLOSE] = "Close", [KEY_PLAY] = "Play", | |
710 | [KEY_FASTFORWARD] = "FastForward", [KEY_BASSBOOST] = "BassBoost", | |
711 | [KEY_PRINT] = "Print", [KEY_HP] = "HP", | |
712 | [KEY_CAMERA] = "Camera", [KEY_SOUND] = "Sound", | |
713 | [KEY_QUESTION] = "Question", [KEY_EMAIL] = "Email", | |
714 | [KEY_CHAT] = "Chat", [KEY_SEARCH] = "Search", | |
715 | [KEY_CONNECT] = "Connect", [KEY_FINANCE] = "Finance", | |
716 | [KEY_SPORT] = "Sport", [KEY_SHOP] = "Shop", | |
717 | [KEY_ALTERASE] = "AlternateErase", [KEY_CANCEL] = "Cancel", | |
718 | [KEY_BRIGHTNESSDOWN] = "BrightnessDown", [KEY_BRIGHTNESSUP] = "BrightnessUp", | |
719 | [KEY_MEDIA] = "Media", [KEY_UNKNOWN] = "Unknown", | |
720 | [BTN_0] = "Btn0", [BTN_1] = "Btn1", | |
721 | [BTN_2] = "Btn2", [BTN_3] = "Btn3", | |
722 | [BTN_4] = "Btn4", [BTN_5] = "Btn5", | |
723 | [BTN_6] = "Btn6", [BTN_7] = "Btn7", | |
724 | [BTN_8] = "Btn8", [BTN_9] = "Btn9", | |
725 | [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn", | |
726 | [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn", | |
727 | [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn", | |
728 | [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn", | |
729 | [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn", | |
730 | [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn", | |
731 | [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn", | |
732 | [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2", | |
733 | [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4", | |
734 | [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6", | |
735 | [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA", | |
736 | [BTN_B] = "BtnB", [BTN_C] = "BtnC", | |
737 | [BTN_X] = "BtnX", [BTN_Y] = "BtnY", | |
738 | [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL", | |
739 | [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2", | |
740 | [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect", | |
741 | [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode", | |
742 | [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR", | |
743 | [BTN_TOOL_PEN] = "ToolPen", [BTN_TOOL_RUBBER] = "ToolRubber", | |
744 | [BTN_TOOL_BRUSH] = "ToolBrush", [BTN_TOOL_PENCIL] = "ToolPencil", | |
745 | [BTN_TOOL_AIRBRUSH] = "ToolAirbrush", [BTN_TOOL_FINGER] = "ToolFinger", | |
746 | [BTN_TOOL_MOUSE] = "ToolMouse", [BTN_TOOL_LENS] = "ToolLens", | |
747 | [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus", | |
748 | [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "ToolDoubleTap", | |
749 | [BTN_TOOL_TRIPLETAP] = "ToolTripleTap", [BTN_GEAR_DOWN] = "WheelBtn", | |
750 | [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok", | |
751 | [KEY_SELECT] = "Select", [KEY_GOTO] = "Goto", | |
752 | [KEY_CLEAR] = "Clear", [KEY_POWER2] = "Power2", | |
753 | [KEY_OPTION] = "Option", [KEY_INFO] = "Info", | |
754 | [KEY_TIME] = "Time", [KEY_VENDOR] = "Vendor", | |
755 | [KEY_ARCHIVE] = "Archive", [KEY_PROGRAM] = "Program", | |
756 | [KEY_CHANNEL] = "Channel", [KEY_FAVORITES] = "Favorites", | |
757 | [KEY_EPG] = "EPG", [KEY_PVR] = "PVR", | |
758 | [KEY_MHP] = "MHP", [KEY_LANGUAGE] = "Language", | |
759 | [KEY_TITLE] = "Title", [KEY_SUBTITLE] = "Subtitle", | |
760 | [KEY_ANGLE] = "Angle", [KEY_ZOOM] = "Zoom", | |
761 | [KEY_MODE] = "Mode", [KEY_KEYBOARD] = "Keyboard", | |
762 | [KEY_SCREEN] = "Screen", [KEY_PC] = "PC", | |
763 | [KEY_TV] = "TV", [KEY_TV2] = "TV2", | |
764 | [KEY_VCR] = "VCR", [KEY_VCR2] = "VCR2", | |
765 | [KEY_SAT] = "Sat", [KEY_SAT2] = "Sat2", | |
766 | [KEY_CD] = "CD", [KEY_TAPE] = "Tape", | |
767 | [KEY_RADIO] = "Radio", [KEY_TUNER] = "Tuner", | |
768 | [KEY_PLAYER] = "Player", [KEY_TEXT] = "Text", | |
769 | [KEY_DVD] = "DVD", [KEY_AUX] = "Aux", | |
770 | [KEY_MP3] = "MP3", [KEY_AUDIO] = "Audio", | |
771 | [KEY_VIDEO] = "Video", [KEY_DIRECTORY] = "Directory", | |
772 | [KEY_LIST] = "List", [KEY_MEMO] = "Memo", | |
773 | [KEY_CALENDAR] = "Calendar", [KEY_RED] = "Red", | |
774 | [KEY_GREEN] = "Green", [KEY_YELLOW] = "Yellow", | |
775 | [KEY_BLUE] = "Blue", [KEY_CHANNELUP] = "ChannelUp", | |
776 | [KEY_CHANNELDOWN] = "ChannelDown", [KEY_FIRST] = "First", | |
777 | [KEY_LAST] = "Last", [KEY_AB] = "AB", | |
778 | [KEY_NEXT] = "Next", [KEY_RESTART] = "Restart", | |
779 | [KEY_SLOW] = "Slow", [KEY_SHUFFLE] = "Shuffle", | |
780 | [KEY_BREAK] = "Break", [KEY_PREVIOUS] = "Previous", | |
781 | [KEY_DIGITS] = "Digits", [KEY_TEEN] = "TEEN", | |
782 | [KEY_TWEN] = "TWEN", [KEY_DEL_EOL] = "DeleteEOL", | |
783 | [KEY_DEL_EOS] = "DeleteEOS", [KEY_INS_LINE] = "InsertLine", | |
784 | [KEY_DEL_LINE] = "DeleteLine", | |
785 | [KEY_SEND] = "Send", [KEY_REPLY] = "Reply", | |
786 | [KEY_FORWARDMAIL] = "ForwardMail", [KEY_SAVE] = "Save", | |
1fe8736d | 787 | [KEY_DOCUMENTS] = "Documents", [KEY_SPELLCHECK] = "SpellCheck", |
e2bca074 | 788 | [KEY_LOGOFF] = "Logoff", |
c080d89a JK |
789 | [KEY_FN] = "Fn", [KEY_FN_ESC] = "Fn+ESC", |
790 | [KEY_FN_1] = "Fn+1", [KEY_FN_2] = "Fn+2", | |
791 | [KEY_FN_B] = "Fn+B", [KEY_FN_D] = "Fn+D", | |
792 | [KEY_FN_E] = "Fn+E", [KEY_FN_F] = "Fn+F", | |
793 | [KEY_FN_S] = "Fn+S", | |
794 | [KEY_FN_F1] = "Fn+F1", [KEY_FN_F2] = "Fn+F2", | |
795 | [KEY_FN_F3] = "Fn+F3", [KEY_FN_F4] = "Fn+F4", | |
796 | [KEY_FN_F5] = "Fn+F5", [KEY_FN_F6] = "Fn+F6", | |
797 | [KEY_FN_F7] = "Fn+F7", [KEY_FN_F8] = "Fn+F8", | |
798 | [KEY_FN_F9] = "Fn+F9", [KEY_FN_F10] = "Fn+F10", | |
799 | [KEY_FN_F11] = "Fn+F11", [KEY_FN_F12] = "Fn+F12", | |
800 | [KEY_KBDILLUMTOGGLE] = "KbdIlluminationToggle", | |
801 | [KEY_KBDILLUMDOWN] = "KbdIlluminationDown", | |
802 | [KEY_KBDILLUMUP] = "KbdIlluminationUp", | |
803 | [KEY_SWITCHVIDEOMODE] = "SwitchVideoMode", | |
804 | }; | |
805 | ||
0ce1ac3b | 806 | static const char *relatives[REL_MAX + 1] = { |
c080d89a JK |
807 | [REL_X] = "X", [REL_Y] = "Y", |
808 | [REL_Z] = "Z", [REL_RX] = "Rx", | |
809 | [REL_RY] = "Ry", [REL_RZ] = "Rz", | |
810 | [REL_HWHEEL] = "HWheel", [REL_DIAL] = "Dial", | |
811 | [REL_WHEEL] = "Wheel", [REL_MISC] = "Misc", | |
812 | }; | |
813 | ||
81c2a3ba | 814 | static const char *absolutes[ABS_CNT] = { |
c080d89a JK |
815 | [ABS_X] = "X", [ABS_Y] = "Y", |
816 | [ABS_Z] = "Z", [ABS_RX] = "Rx", | |
817 | [ABS_RY] = "Ry", [ABS_RZ] = "Rz", | |
818 | [ABS_THROTTLE] = "Throttle", [ABS_RUDDER] = "Rudder", | |
819 | [ABS_WHEEL] = "Wheel", [ABS_GAS] = "Gas", | |
820 | [ABS_BRAKE] = "Brake", [ABS_HAT0X] = "Hat0X", | |
821 | [ABS_HAT0Y] = "Hat0Y", [ABS_HAT1X] = "Hat1X", | |
822 | [ABS_HAT1Y] = "Hat1Y", [ABS_HAT2X] = "Hat2X", | |
823 | [ABS_HAT2Y] = "Hat2Y", [ABS_HAT3X] = "Hat3X", | |
824 | [ABS_HAT3Y] = "Hat 3Y", [ABS_PRESSURE] = "Pressure", | |
825 | [ABS_DISTANCE] = "Distance", [ABS_TILT_X] = "XTilt", | |
89f536cc | 826 | [ABS_TILT_Y] = "YTilt", [ABS_TOOL_WIDTH] = "ToolWidth", |
c080d89a | 827 | [ABS_VOLUME] = "Volume", [ABS_MISC] = "Misc", |
89f536cc SC |
828 | [ABS_MT_TOUCH_MAJOR] = "MTMajor", |
829 | [ABS_MT_TOUCH_MINOR] = "MTMinor", | |
830 | [ABS_MT_WIDTH_MAJOR] = "MTMajorW", | |
831 | [ABS_MT_WIDTH_MINOR] = "MTMinorW", | |
832 | [ABS_MT_ORIENTATION] = "MTOrientation", | |
833 | [ABS_MT_POSITION_X] = "MTPositionX", | |
834 | [ABS_MT_POSITION_Y] = "MTPositionY", | |
835 | [ABS_MT_TOOL_TYPE] = "MTToolType", | |
836 | [ABS_MT_BLOB_ID] = "MTBlobID", | |
c080d89a JK |
837 | }; |
838 | ||
0ce1ac3b | 839 | static const char *misc[MSC_MAX + 1] = { |
c080d89a JK |
840 | [MSC_SERIAL] = "Serial", [MSC_PULSELED] = "Pulseled", |
841 | [MSC_GESTURE] = "Gesture", [MSC_RAW] = "RawData" | |
842 | }; | |
843 | ||
0ce1ac3b | 844 | static const char *leds[LED_MAX + 1] = { |
c080d89a JK |
845 | [LED_NUML] = "NumLock", [LED_CAPSL] = "CapsLock", |
846 | [LED_SCROLLL] = "ScrollLock", [LED_COMPOSE] = "Compose", | |
847 | [LED_KANA] = "Kana", [LED_SLEEP] = "Sleep", | |
848 | [LED_SUSPEND] = "Suspend", [LED_MUTE] = "Mute", | |
849 | [LED_MISC] = "Misc", | |
850 | }; | |
851 | ||
0ce1ac3b | 852 | static const char *repeats[REP_MAX + 1] = { |
c080d89a JK |
853 | [REP_DELAY] = "Delay", [REP_PERIOD] = "Period" |
854 | }; | |
855 | ||
0ce1ac3b | 856 | static const char *sounds[SND_MAX + 1] = { |
c080d89a JK |
857 | [SND_CLICK] = "Click", [SND_BELL] = "Bell", |
858 | [SND_TONE] = "Tone" | |
859 | }; | |
860 | ||
0ce1ac3b | 861 | static const char **names[EV_MAX + 1] = { |
c080d89a JK |
862 | [EV_SYN] = syncs, [EV_KEY] = keys, |
863 | [EV_REL] = relatives, [EV_ABS] = absolutes, | |
864 | [EV_MSC] = misc, [EV_LED] = leds, | |
865 | [EV_SND] = sounds, [EV_REP] = repeats, | |
866 | }; | |
867 | ||
62e62da8 HS |
868 | static void hid_resolv_event(__u8 type, __u16 code, struct seq_file *f) |
869 | { | |
a635f9dd | 870 | seq_printf(f, "%s.%s", events[type] ? events[type] : "?", |
c080d89a JK |
871 | names[type] ? (names[type][code] ? names[type][code] : "?") : "?"); |
872 | } | |
a635f9dd | 873 | |
62e62da8 | 874 | static void hid_dump_input_mapping(struct hid_device *hid, struct seq_file *f) |
a635f9dd JK |
875 | { |
876 | int i, j, k; | |
877 | struct hid_report *report; | |
878 | struct hid_usage *usage; | |
879 | ||
880 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
881 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { | |
882 | for (i = 0; i < report->maxfield; i++) { | |
883 | for ( j = 0; j < report->field[i]->maxusage; j++) { | |
884 | usage = report->field[i]->usage + j; | |
885 | hid_resolv_usage(usage->hid, f); | |
886 | seq_printf(f, " ---> "); | |
887 | hid_resolv_event(usage->type, usage->code, f); | |
888 | seq_printf(f, "\n"); | |
889 | } | |
890 | } | |
891 | } | |
892 | } | |
893 | ||
894 | } | |
895 | ||
cd667ce2 | 896 | |
a635f9dd JK |
897 | static int hid_debug_rdesc_show(struct seq_file *f, void *p) |
898 | { | |
899 | struct hid_device *hdev = f->private; | |
900 | int i; | |
901 | ||
902 | /* dump HID report descriptor */ | |
903 | for (i = 0; i < hdev->rsize; i++) | |
904 | seq_printf(f, "%02x ", hdev->rdesc[i]); | |
905 | seq_printf(f, "\n\n"); | |
906 | ||
907 | /* dump parsed data and input mappings */ | |
908 | hid_dump_device(hdev, f); | |
909 | seq_printf(f, "\n"); | |
910 | hid_dump_input_mapping(hdev, f); | |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
915 | static int hid_debug_rdesc_open(struct inode *inode, struct file *file) | |
916 | { | |
917 | return single_open(file, hid_debug_rdesc_show, inode->i_private); | |
918 | } | |
919 | ||
cd667ce2 JK |
920 | static int hid_debug_events_open(struct inode *inode, struct file *file) |
921 | { | |
922 | int err = 0; | |
923 | struct hid_debug_list *list; | |
924 | ||
925 | if (!(list = kzalloc(sizeof(struct hid_debug_list), GFP_KERNEL))) { | |
926 | err = -ENOMEM; | |
927 | goto out; | |
928 | } | |
929 | ||
930 | if (!(list->hid_debug_buf = kzalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_KERNEL))) { | |
931 | err = -ENOMEM; | |
a809dda0 | 932 | kfree(list); |
cd667ce2 JK |
933 | goto out; |
934 | } | |
935 | list->hdev = (struct hid_device *) inode->i_private; | |
936 | file->private_data = list; | |
937 | mutex_init(&list->read_mutex); | |
938 | ||
939 | list_add_tail(&list->node, &list->hdev->debug_list); | |
940 | ||
941 | out: | |
942 | return err; | |
943 | } | |
944 | ||
945 | static ssize_t hid_debug_events_read(struct file *file, char __user *buffer, | |
946 | size_t count, loff_t *ppos) | |
947 | { | |
948 | struct hid_debug_list *list = file->private_data; | |
949 | int ret = 0, len; | |
950 | DECLARE_WAITQUEUE(wait, current); | |
951 | ||
ca9fe158 | 952 | mutex_lock(&list->read_mutex); |
cd667ce2 | 953 | while (ret == 0) { |
cd667ce2 JK |
954 | if (list->head == list->tail) { |
955 | add_wait_queue(&list->hdev->debug_wait, &wait); | |
956 | set_current_state(TASK_INTERRUPTIBLE); | |
957 | ||
958 | while (list->head == list->tail) { | |
959 | if (file->f_flags & O_NONBLOCK) { | |
960 | ret = -EAGAIN; | |
961 | break; | |
962 | } | |
963 | if (signal_pending(current)) { | |
964 | ret = -ERESTARTSYS; | |
965 | break; | |
966 | } | |
967 | ||
968 | if (!list->hdev || !list->hdev->debug) { | |
969 | ret = -EIO; | |
970 | break; | |
971 | } | |
972 | ||
973 | /* allow O_NONBLOCK from other threads */ | |
974 | mutex_unlock(&list->read_mutex); | |
975 | schedule(); | |
976 | mutex_lock(&list->read_mutex); | |
977 | set_current_state(TASK_INTERRUPTIBLE); | |
978 | } | |
979 | ||
980 | set_current_state(TASK_RUNNING); | |
981 | remove_wait_queue(&list->hdev->debug_wait, &wait); | |
982 | } | |
983 | ||
984 | if (ret) | |
985 | goto out; | |
986 | ||
987 | /* pass the ringbuffer contents to userspace */ | |
988 | copy_rest: | |
989 | if (list->tail == list->head) | |
990 | goto out; | |
991 | if (list->tail > list->head) { | |
992 | len = list->tail - list->head; | |
993 | ||
994 | if (copy_to_user(buffer + ret, &list->hid_debug_buf[list->head], len)) { | |
995 | ret = -EFAULT; | |
996 | goto out; | |
997 | } | |
998 | ret += len; | |
999 | list->head += len; | |
1000 | } else { | |
1001 | len = HID_DEBUG_BUFSIZE - list->head; | |
1002 | ||
1003 | if (copy_to_user(buffer, &list->hid_debug_buf[list->head], len)) { | |
1004 | ret = -EFAULT; | |
1005 | goto out; | |
1006 | } | |
1007 | list->head = 0; | |
1008 | ret += len; | |
1009 | goto copy_rest; | |
1010 | } | |
1011 | ||
1012 | } | |
1013 | out: | |
1014 | mutex_unlock(&list->read_mutex); | |
1015 | return ret; | |
1016 | } | |
1017 | ||
1018 | static unsigned int hid_debug_events_poll(struct file *file, poll_table *wait) | |
1019 | { | |
1020 | struct hid_debug_list *list = file->private_data; | |
1021 | ||
1022 | poll_wait(file, &list->hdev->debug_wait, wait); | |
1023 | if (list->head != list->tail) | |
1024 | return POLLIN | POLLRDNORM; | |
1025 | if (!list->hdev->debug) | |
1026 | return POLLERR | POLLHUP; | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | static int hid_debug_events_release(struct inode *inode, struct file *file) | |
1031 | { | |
1032 | struct hid_debug_list *list = file->private_data; | |
1033 | ||
1034 | list_del(&list->node); | |
1035 | kfree(list->hid_debug_buf); | |
1036 | kfree(list); | |
1037 | ||
1038 | return 0; | |
1039 | } | |
1040 | ||
a635f9dd JK |
1041 | static const struct file_operations hid_debug_rdesc_fops = { |
1042 | .open = hid_debug_rdesc_open, | |
1043 | .read = seq_read, | |
1044 | .llseek = seq_lseek, | |
1045 | .release = single_release, | |
1046 | }; | |
1047 | ||
cd667ce2 JK |
1048 | static const struct file_operations hid_debug_events_fops = { |
1049 | .owner = THIS_MODULE, | |
1050 | .open = hid_debug_events_open, | |
1051 | .read = hid_debug_events_read, | |
1052 | .poll = hid_debug_events_poll, | |
1053 | .release = hid_debug_events_release, | |
1054 | }; | |
1055 | ||
1056 | ||
a635f9dd JK |
1057 | void hid_debug_register(struct hid_device *hdev, const char *name) |
1058 | { | |
1059 | hdev->debug_dir = debugfs_create_dir(name, hid_debug_root); | |
1060 | hdev->debug_rdesc = debugfs_create_file("rdesc", 0400, | |
1061 | hdev->debug_dir, hdev, &hid_debug_rdesc_fops); | |
cd667ce2 JK |
1062 | hdev->debug_events = debugfs_create_file("events", 0400, |
1063 | hdev->debug_dir, hdev, &hid_debug_events_fops); | |
1064 | hdev->debug = 1; | |
a635f9dd JK |
1065 | } |
1066 | ||
1067 | void hid_debug_unregister(struct hid_device *hdev) | |
1068 | { | |
cd667ce2 JK |
1069 | hdev->debug = 0; |
1070 | wake_up_interruptible(&hdev->debug_wait); | |
a635f9dd | 1071 | debugfs_remove(hdev->debug_rdesc); |
cd667ce2 | 1072 | debugfs_remove(hdev->debug_events); |
a635f9dd JK |
1073 | debugfs_remove(hdev->debug_dir); |
1074 | } | |
1075 | ||
1076 | void hid_debug_init(void) | |
1077 | { | |
1078 | hid_debug_root = debugfs_create_dir("hid", NULL); | |
1079 | } | |
1080 | ||
1081 | void hid_debug_exit(void) | |
1082 | { | |
1083 | debugfs_remove_recursive(hid_debug_root); | |
1084 | } | |
1085 |