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1 | /* |
2 | * cpia CPiA (1) gspca driver | |
3 | * | |
4 | * Copyright (C) 2010 Hans de Goede <hdgoede@redhat.com> | |
5 | * | |
6 | * This module is adapted from the in kernel v4l1 cpia driver which is : | |
7 | * | |
8 | * (C) Copyright 1999-2000 Peter Pregler | |
9 | * (C) Copyright 1999-2000 Scott J. Bertin | |
10 | * (C) Copyright 1999-2000 Johannes Erdfelt <johannes@erdfelt.com> | |
11 | * (C) Copyright 2000 STMicroelectronics | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
26 | * | |
27 | */ | |
28 | ||
29 | #define MODULE_NAME "cpia1" | |
30 | ||
31 | #include "gspca.h" | |
32 | ||
33 | MODULE_AUTHOR("Hans de Goede <hdgoede@redhat.com>"); | |
34 | MODULE_DESCRIPTION("Vision CPiA"); | |
35 | MODULE_LICENSE("GPL"); | |
36 | ||
37 | /* constant value's */ | |
38 | #define MAGIC_0 0x19 | |
39 | #define MAGIC_1 0x68 | |
40 | #define DATA_IN 0xC0 | |
41 | #define DATA_OUT 0x40 | |
42 | #define VIDEOSIZE_QCIF 0 /* 176x144 */ | |
43 | #define VIDEOSIZE_CIF 1 /* 352x288 */ | |
44 | #define SUBSAMPLE_420 0 | |
45 | #define SUBSAMPLE_422 1 | |
46 | #define YUVORDER_YUYV 0 | |
47 | #define YUVORDER_UYVY 1 | |
48 | #define NOT_COMPRESSED 0 | |
49 | #define COMPRESSED 1 | |
50 | #define NO_DECIMATION 0 | |
51 | #define DECIMATION_ENAB 1 | |
52 | #define EOI 0xff /* End Of Image */ | |
53 | #define EOL 0xfd /* End Of Line */ | |
54 | #define FRAME_HEADER_SIZE 64 | |
55 | ||
56 | /* Image grab modes */ | |
57 | #define CPIA_GRAB_SINGLE 0 | |
58 | #define CPIA_GRAB_CONTINEOUS 1 | |
59 | ||
60 | /* Compression parameters */ | |
61 | #define CPIA_COMPRESSION_NONE 0 | |
62 | #define CPIA_COMPRESSION_AUTO 1 | |
63 | #define CPIA_COMPRESSION_MANUAL 2 | |
64 | #define CPIA_COMPRESSION_TARGET_QUALITY 0 | |
65 | #define CPIA_COMPRESSION_TARGET_FRAMERATE 1 | |
66 | ||
67 | /* Return offsets for GetCameraState */ | |
68 | #define SYSTEMSTATE 0 | |
69 | #define GRABSTATE 1 | |
70 | #define STREAMSTATE 2 | |
71 | #define FATALERROR 3 | |
72 | #define CMDERROR 4 | |
73 | #define DEBUGFLAGS 5 | |
74 | #define VPSTATUS 6 | |
75 | #define ERRORCODE 7 | |
76 | ||
77 | /* SystemState */ | |
78 | #define UNINITIALISED_STATE 0 | |
79 | #define PASS_THROUGH_STATE 1 | |
80 | #define LO_POWER_STATE 2 | |
81 | #define HI_POWER_STATE 3 | |
82 | #define WARM_BOOT_STATE 4 | |
83 | ||
84 | /* GrabState */ | |
85 | #define GRAB_IDLE 0 | |
86 | #define GRAB_ACTIVE 1 | |
87 | #define GRAB_DONE 2 | |
88 | ||
89 | /* StreamState */ | |
90 | #define STREAM_NOT_READY 0 | |
91 | #define STREAM_READY 1 | |
92 | #define STREAM_OPEN 2 | |
93 | #define STREAM_PAUSED 3 | |
94 | #define STREAM_FINISHED 4 | |
95 | ||
96 | /* Fatal Error, CmdError, and DebugFlags */ | |
97 | #define CPIA_FLAG 1 | |
98 | #define SYSTEM_FLAG 2 | |
99 | #define INT_CTRL_FLAG 4 | |
100 | #define PROCESS_FLAG 8 | |
101 | #define COM_FLAG 16 | |
102 | #define VP_CTRL_FLAG 32 | |
103 | #define CAPTURE_FLAG 64 | |
104 | #define DEBUG_FLAG 128 | |
105 | ||
106 | /* VPStatus */ | |
107 | #define VP_STATE_OK 0x00 | |
108 | ||
109 | #define VP_STATE_FAILED_VIDEOINIT 0x01 | |
110 | #define VP_STATE_FAILED_AECACBINIT 0x02 | |
111 | #define VP_STATE_AEC_MAX 0x04 | |
112 | #define VP_STATE_ACB_BMAX 0x08 | |
113 | ||
114 | #define VP_STATE_ACB_RMIN 0x10 | |
115 | #define VP_STATE_ACB_GMIN 0x20 | |
116 | #define VP_STATE_ACB_RMAX 0x40 | |
117 | #define VP_STATE_ACB_GMAX 0x80 | |
118 | ||
119 | /* default (minimum) compensation values */ | |
120 | #define COMP_RED 220 | |
121 | #define COMP_GREEN1 214 | |
122 | #define COMP_GREEN2 COMP_GREEN1 | |
123 | #define COMP_BLUE 230 | |
124 | ||
125 | /* exposure status */ | |
126 | #define EXPOSURE_VERY_LIGHT 0 | |
127 | #define EXPOSURE_LIGHT 1 | |
128 | #define EXPOSURE_NORMAL 2 | |
129 | #define EXPOSURE_DARK 3 | |
130 | #define EXPOSURE_VERY_DARK 4 | |
131 | ||
132 | #define CPIA_MODULE_CPIA (0 << 5) | |
133 | #define CPIA_MODULE_SYSTEM (1 << 5) | |
134 | #define CPIA_MODULE_VP_CTRL (5 << 5) | |
135 | #define CPIA_MODULE_CAPTURE (6 << 5) | |
136 | #define CPIA_MODULE_DEBUG (7 << 5) | |
137 | ||
138 | #define INPUT (DATA_IN << 8) | |
139 | #define OUTPUT (DATA_OUT << 8) | |
140 | ||
141 | #define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) | |
142 | #define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) | |
143 | #define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) | |
144 | #define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) | |
145 | #define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) | |
146 | #define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) | |
147 | #define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) | |
148 | #define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) | |
149 | ||
150 | #define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) | |
151 | #define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) | |
152 | #define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) | |
153 | #define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) | |
154 | #define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) | |
155 | #define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) | |
156 | #define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) | |
157 | #define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) | |
158 | #define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) | |
159 | #define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) | |
160 | #define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) | |
161 | #define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) | |
162 | #define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) | |
163 | ||
164 | #define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) | |
165 | #define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) | |
166 | #define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) | |
167 | #define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) | |
168 | #define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) | |
169 | #define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) | |
170 | #define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) | |
171 | #define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) | |
172 | #define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) | |
173 | #define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) | |
174 | #define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) | |
175 | #define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) | |
176 | #define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) | |
177 | #define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) | |
178 | #define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) | |
179 | #define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) | |
180 | #define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) | |
181 | ||
182 | #define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) | |
183 | #define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) | |
184 | #define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) | |
185 | #define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) | |
186 | #define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) | |
187 | #define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) | |
188 | #define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) | |
189 | #define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) | |
190 | #define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) | |
191 | #define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) | |
192 | #define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) | |
193 | #define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) | |
194 | #define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) | |
195 | #define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) | |
196 | #define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) | |
197 | ||
198 | #define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) | |
199 | #define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) | |
200 | #define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) | |
201 | #define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) | |
202 | #define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) | |
203 | #define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) | |
204 | #define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) | |
205 | #define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) | |
206 | ||
207 | #define ROUND_UP_EXP_FOR_FLICKER 15 | |
208 | ||
209 | /* Constants for automatic frame rate adjustment */ | |
210 | #define MAX_EXP 302 | |
211 | #define MAX_EXP_102 255 | |
212 | #define LOW_EXP 140 | |
213 | #define VERY_LOW_EXP 70 | |
214 | #define TC 94 | |
215 | #define EXP_ACC_DARK 50 | |
216 | #define EXP_ACC_LIGHT 90 | |
217 | #define HIGH_COMP_102 160 | |
218 | #define MAX_COMP 239 | |
219 | #define DARK_TIME 3 | |
220 | #define LIGHT_TIME 3 | |
221 | ||
222 | #define FIRMWARE_VERSION(x, y) (sd->params.version.firmwareVersion == (x) && \ | |
223 | sd->params.version.firmwareRevision == (y)) | |
224 | ||
225 | /* Developer's Guide Table 5 p 3-34 | |
226 | * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ | |
227 | static u8 flicker_jumps[2][2][4] = | |
228 | { { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, | |
229 | { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } | |
230 | }; | |
231 | ||
232 | struct cam_params { | |
233 | struct { | |
234 | u8 firmwareVersion; | |
235 | u8 firmwareRevision; | |
236 | u8 vcVersion; | |
237 | u8 vcRevision; | |
238 | } version; | |
239 | struct { | |
240 | u16 vendor; | |
241 | u16 product; | |
242 | u16 deviceRevision; | |
243 | } pnpID; | |
244 | struct { | |
245 | u8 vpVersion; | |
246 | u8 vpRevision; | |
247 | u16 cameraHeadID; | |
248 | } vpVersion; | |
249 | struct { | |
250 | u8 systemState; | |
251 | u8 grabState; | |
252 | u8 streamState; | |
253 | u8 fatalError; | |
254 | u8 cmdError; | |
255 | u8 debugFlags; | |
256 | u8 vpStatus; | |
257 | u8 errorCode; | |
258 | } status; | |
259 | struct { | |
260 | u8 brightness; | |
261 | u8 contrast; | |
262 | u8 saturation; | |
263 | } colourParams; | |
264 | struct { | |
265 | u8 gainMode; | |
266 | u8 expMode; | |
267 | u8 compMode; | |
268 | u8 centreWeight; | |
269 | u8 gain; | |
270 | u8 fineExp; | |
271 | u8 coarseExpLo; | |
272 | u8 coarseExpHi; | |
273 | u8 redComp; | |
274 | u8 green1Comp; | |
275 | u8 green2Comp; | |
276 | u8 blueComp; | |
277 | } exposure; | |
278 | struct { | |
279 | u8 balanceMode; | |
280 | u8 redGain; | |
281 | u8 greenGain; | |
282 | u8 blueGain; | |
283 | } colourBalance; | |
284 | struct { | |
285 | u8 divisor; | |
286 | u8 baserate; | |
287 | } sensorFps; | |
288 | struct { | |
289 | u8 gain1; | |
290 | u8 gain2; | |
291 | u8 gain4; | |
292 | u8 gain8; | |
293 | } apcor; | |
294 | struct { | |
295 | u8 disabled; | |
296 | u8 flickerMode; | |
297 | u8 coarseJump; | |
298 | u8 allowableOverExposure; | |
299 | } flickerControl; | |
300 | struct { | |
301 | u8 gain1; | |
302 | u8 gain2; | |
303 | u8 gain4; | |
304 | u8 gain8; | |
305 | } vlOffset; | |
306 | struct { | |
307 | u8 mode; | |
308 | u8 decimation; | |
309 | } compression; | |
310 | struct { | |
311 | u8 frTargeting; | |
312 | u8 targetFR; | |
313 | u8 targetQ; | |
314 | } compressionTarget; | |
315 | struct { | |
316 | u8 yThreshold; | |
317 | u8 uvThreshold; | |
318 | } yuvThreshold; | |
319 | struct { | |
320 | u8 hysteresis; | |
321 | u8 threshMax; | |
322 | u8 smallStep; | |
323 | u8 largeStep; | |
324 | u8 decimationHysteresis; | |
325 | u8 frDiffStepThresh; | |
326 | u8 qDiffStepThresh; | |
327 | u8 decimationThreshMod; | |
328 | } compressionParams; | |
329 | struct { | |
330 | u8 videoSize; /* CIF/QCIF */ | |
331 | u8 subSample; | |
332 | u8 yuvOrder; | |
333 | } format; | |
334 | struct { /* Intel QX3 specific data */ | |
335 | u8 qx3_detected; /* a QX3 is present */ | |
336 | u8 toplight; /* top light lit , R/W */ | |
337 | u8 bottomlight; /* bottom light lit, R/W */ | |
338 | u8 button; /* snapshot button pressed (R/O) */ | |
339 | u8 cradled; /* microscope is in cradle (R/O) */ | |
340 | } qx3; | |
341 | struct { | |
342 | u8 colStart; /* skip first 8*colStart pixels */ | |
343 | u8 colEnd; /* finish at 8*colEnd pixels */ | |
344 | u8 rowStart; /* skip first 4*rowStart lines */ | |
345 | u8 rowEnd; /* finish at 4*rowEnd lines */ | |
346 | } roi; | |
347 | u8 ecpTiming; | |
348 | u8 streamStartLine; | |
349 | }; | |
350 | ||
351 | /* specific webcam descriptor */ | |
352 | struct sd { | |
353 | struct gspca_dev gspca_dev; /* !! must be the first item */ | |
354 | struct cam_params params; /* camera settings */ | |
355 | ||
356 | atomic_t cam_exposure; | |
357 | atomic_t fps; | |
358 | int exposure_count; | |
359 | u8 exposure_status; | |
360 | u8 mainsFreq; /* 0 = 50hz, 1 = 60hz */ | |
361 | u8 first_frame; | |
362 | u8 freq; | |
363 | }; | |
364 | ||
365 | /* V4L2 controls supported by the driver */ | |
366 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); | |
367 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); | |
368 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); | |
369 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); | |
370 | static int sd_setsaturation(struct gspca_dev *gspca_dev, __s32 val); | |
371 | static int sd_getsaturation(struct gspca_dev *gspca_dev, __s32 *val); | |
372 | static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val); | |
373 | static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val); | |
374 | static int sd_setcomptarget(struct gspca_dev *gspca_dev, __s32 val); | |
375 | static int sd_getcomptarget(struct gspca_dev *gspca_dev, __s32 *val); | |
376 | ||
a4fa8e9e | 377 | static const struct ctrl sd_ctrls[] = { |
54e8bc5d HG |
378 | { |
379 | { | |
380 | .id = V4L2_CID_BRIGHTNESS, | |
381 | .type = V4L2_CTRL_TYPE_INTEGER, | |
382 | .name = "Brightness", | |
383 | .minimum = 0, | |
384 | .maximum = 100, | |
385 | .step = 1, | |
386 | #define BRIGHTNESS_DEF 50 | |
387 | .default_value = BRIGHTNESS_DEF, | |
388 | .flags = 0, | |
389 | }, | |
390 | .set = sd_setbrightness, | |
391 | .get = sd_getbrightness, | |
392 | }, | |
393 | { | |
394 | { | |
395 | .id = V4L2_CID_CONTRAST, | |
396 | .type = V4L2_CTRL_TYPE_INTEGER, | |
397 | .name = "Contrast", | |
398 | .minimum = 0, | |
399 | .maximum = 96, | |
400 | .step = 8, | |
401 | #define CONTRAST_DEF 48 | |
402 | .default_value = CONTRAST_DEF, | |
403 | }, | |
404 | .set = sd_setcontrast, | |
405 | .get = sd_getcontrast, | |
406 | }, | |
407 | { | |
408 | { | |
409 | .id = V4L2_CID_SATURATION, | |
410 | .type = V4L2_CTRL_TYPE_INTEGER, | |
411 | .name = "Saturation", | |
412 | .minimum = 0, | |
413 | .maximum = 100, | |
414 | .step = 1, | |
415 | #define SATURATION_DEF 50 | |
416 | .default_value = SATURATION_DEF, | |
417 | }, | |
418 | .set = sd_setsaturation, | |
419 | .get = sd_getsaturation, | |
420 | }, | |
421 | { | |
422 | { | |
423 | .id = V4L2_CID_POWER_LINE_FREQUENCY, | |
424 | .type = V4L2_CTRL_TYPE_MENU, | |
425 | .name = "Light frequency filter", | |
426 | .minimum = 0, | |
427 | .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ | |
428 | .step = 1, | |
429 | #define FREQ_DEF 1 | |
430 | .default_value = FREQ_DEF, | |
431 | }, | |
432 | .set = sd_setfreq, | |
433 | .get = sd_getfreq, | |
434 | }, | |
435 | { | |
436 | { | |
437 | #define V4L2_CID_COMP_TARGET V4L2_CID_PRIVATE_BASE | |
438 | .id = V4L2_CID_COMP_TARGET, | |
439 | .type = V4L2_CTRL_TYPE_MENU, | |
440 | .name = "Compression Target", | |
441 | .minimum = 0, | |
442 | .maximum = 1, | |
443 | .step = 1, | |
444 | #define COMP_TARGET_DEF CPIA_COMPRESSION_TARGET_QUALITY | |
445 | .default_value = COMP_TARGET_DEF, | |
446 | }, | |
447 | .set = sd_setcomptarget, | |
448 | .get = sd_getcomptarget, | |
449 | }, | |
450 | }; | |
451 | ||
452 | static const struct v4l2_pix_format mode[] = { | |
453 | {160, 120, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
454 | /* The sizeimage is trial and error, as with low framerates | |
455 | the camera will pad out usb frames, making the image | |
456 | data larger then strictly necessary */ | |
457 | .bytesperline = 160, | |
458 | .sizeimage = 65536, | |
459 | .colorspace = V4L2_COLORSPACE_SRGB, | |
460 | .priv = 3}, | |
461 | {176, 144, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
462 | .bytesperline = 172, | |
463 | .sizeimage = 65536, | |
464 | .colorspace = V4L2_COLORSPACE_SRGB, | |
465 | .priv = 2}, | |
466 | {320, 240, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
467 | .bytesperline = 320, | |
468 | .sizeimage = 262144, | |
469 | .colorspace = V4L2_COLORSPACE_SRGB, | |
470 | .priv = 1}, | |
471 | {352, 288, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
472 | .bytesperline = 352, | |
473 | .sizeimage = 262144, | |
474 | .colorspace = V4L2_COLORSPACE_SRGB, | |
475 | .priv = 0}, | |
476 | }; | |
477 | ||
478 | /********************************************************************** | |
479 | * | |
480 | * General functions | |
481 | * | |
482 | **********************************************************************/ | |
483 | ||
484 | static int cpia_usb_transferCmd(struct gspca_dev *gspca_dev, u8 *command) | |
485 | { | |
486 | u8 requesttype; | |
487 | unsigned int pipe; | |
488 | int ret, databytes = command[6] | (command[7] << 8); | |
489 | /* Sometimes we see spurious EPIPE errors */ | |
490 | int retries = 3; | |
491 | ||
492 | if (command[0] == DATA_IN) { | |
493 | pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); | |
494 | requesttype = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE; | |
495 | } else if (command[0] == DATA_OUT) { | |
496 | pipe = usb_sndctrlpipe(gspca_dev->dev, 0); | |
497 | requesttype = USB_TYPE_VENDOR | USB_RECIP_DEVICE; | |
498 | } else { | |
499 | PDEBUG(D_ERR, "Unexpected first byte of command: %x", | |
500 | command[0]); | |
501 | return -EINVAL; | |
502 | } | |
503 | ||
504 | retry: | |
505 | ret = usb_control_msg(gspca_dev->dev, pipe, | |
506 | command[1], | |
507 | requesttype, | |
508 | command[2] | (command[3] << 8), | |
509 | command[4] | (command[5] << 8), | |
510 | gspca_dev->usb_buf, databytes, 1000); | |
511 | ||
512 | if (ret < 0) | |
513 | PDEBUG(D_ERR, "usb_control_msg %02x, error %d", command[1], | |
514 | ret); | |
515 | ||
516 | if (ret == -EPIPE && retries > 0) { | |
517 | retries--; | |
518 | goto retry; | |
519 | } | |
520 | ||
521 | return (ret < 0) ? ret : 0; | |
522 | } | |
523 | ||
524 | /* send an arbitrary command to the camera */ | |
525 | static int do_command(struct gspca_dev *gspca_dev, u16 command, | |
526 | u8 a, u8 b, u8 c, u8 d) | |
527 | { | |
528 | struct sd *sd = (struct sd *) gspca_dev; | |
529 | int ret, datasize; | |
530 | u8 cmd[8]; | |
531 | ||
532 | switch (command) { | |
533 | case CPIA_COMMAND_GetCPIAVersion: | |
534 | case CPIA_COMMAND_GetPnPID: | |
535 | case CPIA_COMMAND_GetCameraStatus: | |
536 | case CPIA_COMMAND_GetVPVersion: | |
537 | case CPIA_COMMAND_GetColourParams: | |
538 | case CPIA_COMMAND_GetColourBalance: | |
539 | case CPIA_COMMAND_GetExposure: | |
540 | datasize = 8; | |
541 | break; | |
542 | case CPIA_COMMAND_ReadMCPorts: | |
543 | case CPIA_COMMAND_ReadVCRegs: | |
544 | datasize = 4; | |
545 | break; | |
546 | default: | |
547 | datasize = 0; | |
548 | break; | |
549 | } | |
550 | ||
551 | cmd[0] = command >> 8; | |
552 | cmd[1] = command & 0xff; | |
553 | cmd[2] = a; | |
554 | cmd[3] = b; | |
555 | cmd[4] = c; | |
556 | cmd[5] = d; | |
557 | cmd[6] = datasize; | |
558 | cmd[7] = 0; | |
559 | ||
560 | ret = cpia_usb_transferCmd(gspca_dev, cmd); | |
561 | if (ret) | |
562 | return ret; | |
563 | ||
564 | switch (command) { | |
565 | case CPIA_COMMAND_GetCPIAVersion: | |
566 | sd->params.version.firmwareVersion = gspca_dev->usb_buf[0]; | |
567 | sd->params.version.firmwareRevision = gspca_dev->usb_buf[1]; | |
568 | sd->params.version.vcVersion = gspca_dev->usb_buf[2]; | |
569 | sd->params.version.vcRevision = gspca_dev->usb_buf[3]; | |
570 | break; | |
571 | case CPIA_COMMAND_GetPnPID: | |
572 | sd->params.pnpID.vendor = | |
573 | gspca_dev->usb_buf[0] | (gspca_dev->usb_buf[1] << 8); | |
574 | sd->params.pnpID.product = | |
575 | gspca_dev->usb_buf[2] | (gspca_dev->usb_buf[3] << 8); | |
576 | sd->params.pnpID.deviceRevision = | |
577 | gspca_dev->usb_buf[4] | (gspca_dev->usb_buf[5] << 8); | |
578 | break; | |
579 | case CPIA_COMMAND_GetCameraStatus: | |
580 | sd->params.status.systemState = gspca_dev->usb_buf[0]; | |
581 | sd->params.status.grabState = gspca_dev->usb_buf[1]; | |
582 | sd->params.status.streamState = gspca_dev->usb_buf[2]; | |
583 | sd->params.status.fatalError = gspca_dev->usb_buf[3]; | |
584 | sd->params.status.cmdError = gspca_dev->usb_buf[4]; | |
585 | sd->params.status.debugFlags = gspca_dev->usb_buf[5]; | |
586 | sd->params.status.vpStatus = gspca_dev->usb_buf[6]; | |
587 | sd->params.status.errorCode = gspca_dev->usb_buf[7]; | |
588 | break; | |
589 | case CPIA_COMMAND_GetVPVersion: | |
590 | sd->params.vpVersion.vpVersion = gspca_dev->usb_buf[0]; | |
591 | sd->params.vpVersion.vpRevision = gspca_dev->usb_buf[1]; | |
592 | sd->params.vpVersion.cameraHeadID = | |
593 | gspca_dev->usb_buf[2] | (gspca_dev->usb_buf[3] << 8); | |
594 | break; | |
595 | case CPIA_COMMAND_GetColourParams: | |
596 | sd->params.colourParams.brightness = gspca_dev->usb_buf[0]; | |
597 | sd->params.colourParams.contrast = gspca_dev->usb_buf[1]; | |
598 | sd->params.colourParams.saturation = gspca_dev->usb_buf[2]; | |
599 | break; | |
600 | case CPIA_COMMAND_GetColourBalance: | |
601 | sd->params.colourBalance.redGain = gspca_dev->usb_buf[0]; | |
602 | sd->params.colourBalance.greenGain = gspca_dev->usb_buf[1]; | |
603 | sd->params.colourBalance.blueGain = gspca_dev->usb_buf[2]; | |
604 | break; | |
605 | case CPIA_COMMAND_GetExposure: | |
606 | sd->params.exposure.gain = gspca_dev->usb_buf[0]; | |
607 | sd->params.exposure.fineExp = gspca_dev->usb_buf[1]; | |
608 | sd->params.exposure.coarseExpLo = gspca_dev->usb_buf[2]; | |
609 | sd->params.exposure.coarseExpHi = gspca_dev->usb_buf[3]; | |
610 | sd->params.exposure.redComp = gspca_dev->usb_buf[4]; | |
611 | sd->params.exposure.green1Comp = gspca_dev->usb_buf[5]; | |
612 | sd->params.exposure.green2Comp = gspca_dev->usb_buf[6]; | |
613 | sd->params.exposure.blueComp = gspca_dev->usb_buf[7]; | |
614 | break; | |
615 | ||
616 | case CPIA_COMMAND_ReadMCPorts: | |
617 | if (!sd->params.qx3.qx3_detected) | |
618 | break; | |
619 | /* test button press */ | |
620 | sd->params.qx3.button = ((gspca_dev->usb_buf[1] & 0x02) == 0); | |
621 | if (sd->params.qx3.button) { | |
622 | /* button pressed - unlock the latch */ | |
623 | do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, | |
624 | 3, 0xDF, 0xDF, 0); | |
625 | do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, | |
626 | 3, 0xFF, 0xFF, 0); | |
627 | } | |
628 | ||
629 | /* test whether microscope is cradled */ | |
630 | sd->params.qx3.cradled = ((gspca_dev->usb_buf[2] & 0x40) == 0); | |
631 | break; | |
632 | } | |
633 | ||
634 | return 0; | |
635 | } | |
636 | ||
637 | /* send a command to the camera with an additional data transaction */ | |
638 | static int do_command_extended(struct gspca_dev *gspca_dev, u16 command, | |
639 | u8 a, u8 b, u8 c, u8 d, | |
640 | u8 e, u8 f, u8 g, u8 h, | |
641 | u8 i, u8 j, u8 k, u8 l) | |
642 | { | |
643 | u8 cmd[8]; | |
644 | ||
645 | cmd[0] = command >> 8; | |
646 | cmd[1] = command & 0xff; | |
647 | cmd[2] = a; | |
648 | cmd[3] = b; | |
649 | cmd[4] = c; | |
650 | cmd[5] = d; | |
651 | cmd[6] = 8; | |
652 | cmd[7] = 0; | |
653 | gspca_dev->usb_buf[0] = e; | |
654 | gspca_dev->usb_buf[1] = f; | |
655 | gspca_dev->usb_buf[2] = g; | |
656 | gspca_dev->usb_buf[3] = h; | |
657 | gspca_dev->usb_buf[4] = i; | |
658 | gspca_dev->usb_buf[5] = j; | |
659 | gspca_dev->usb_buf[6] = k; | |
660 | gspca_dev->usb_buf[7] = l; | |
661 | ||
662 | return cpia_usb_transferCmd(gspca_dev, cmd); | |
663 | } | |
664 | ||
665 | /* find_over_exposure | |
666 | * Finds a suitable value of OverExposure for use with SetFlickerCtrl | |
667 | * Some calculation is required because this value changes with the brightness | |
668 | * set with SetColourParameters | |
669 | * | |
670 | * Parameters: Brightness - last brightness value set with SetColourParameters | |
671 | * | |
672 | * Returns: OverExposure value to use with SetFlickerCtrl | |
673 | */ | |
674 | #define FLICKER_MAX_EXPOSURE 250 | |
675 | #define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 | |
676 | #define FLICKER_BRIGHTNESS_CONSTANT 59 | |
677 | static int find_over_exposure(int brightness) | |
678 | { | |
679 | int MaxAllowableOverExposure, OverExposure; | |
680 | ||
681 | MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - | |
682 | FLICKER_BRIGHTNESS_CONSTANT; | |
683 | ||
684 | if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) | |
685 | OverExposure = MaxAllowableOverExposure; | |
686 | else | |
687 | OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; | |
688 | ||
689 | return OverExposure; | |
690 | } | |
691 | #undef FLICKER_MAX_EXPOSURE | |
692 | #undef FLICKER_ALLOWABLE_OVER_EXPOSURE | |
693 | #undef FLICKER_BRIGHTNESS_CONSTANT | |
694 | ||
695 | /* initialise cam_data structure */ | |
696 | static void reset_camera_params(struct gspca_dev *gspca_dev) | |
697 | { | |
698 | struct sd *sd = (struct sd *) gspca_dev; | |
699 | struct cam_params *params = &sd->params; | |
700 | ||
701 | /* The following parameter values are the defaults from | |
702 | * "Software Developer's Guide for CPiA Cameras". Any changes | |
703 | * to the defaults are noted in comments. */ | |
704 | params->colourParams.brightness = BRIGHTNESS_DEF; | |
705 | params->colourParams.contrast = CONTRAST_DEF; | |
706 | params->colourParams.saturation = SATURATION_DEF; | |
707 | params->exposure.gainMode = 4; | |
708 | params->exposure.expMode = 2; /* AEC */ | |
709 | params->exposure.compMode = 1; | |
710 | params->exposure.centreWeight = 1; | |
711 | params->exposure.gain = 0; | |
712 | params->exposure.fineExp = 0; | |
713 | params->exposure.coarseExpLo = 185; | |
714 | params->exposure.coarseExpHi = 0; | |
715 | params->exposure.redComp = COMP_RED; | |
716 | params->exposure.green1Comp = COMP_GREEN1; | |
717 | params->exposure.green2Comp = COMP_GREEN2; | |
718 | params->exposure.blueComp = COMP_BLUE; | |
719 | params->colourBalance.balanceMode = 2; /* ACB */ | |
720 | params->colourBalance.redGain = 32; | |
721 | params->colourBalance.greenGain = 6; | |
722 | params->colourBalance.blueGain = 92; | |
723 | params->apcor.gain1 = 0x18; | |
724 | params->apcor.gain2 = 0x16; | |
725 | params->apcor.gain4 = 0x24; | |
726 | params->apcor.gain8 = 0x34; | |
727 | params->flickerControl.flickerMode = 0; | |
728 | params->flickerControl.disabled = 1; | |
729 | ||
730 | params->flickerControl.coarseJump = | |
731 | flicker_jumps[sd->mainsFreq] | |
732 | [params->sensorFps.baserate] | |
733 | [params->sensorFps.divisor]; | |
734 | params->flickerControl.allowableOverExposure = | |
735 | find_over_exposure(params->colourParams.brightness); | |
736 | params->vlOffset.gain1 = 20; | |
737 | params->vlOffset.gain2 = 24; | |
738 | params->vlOffset.gain4 = 26; | |
739 | params->vlOffset.gain8 = 26; | |
740 | params->compressionParams.hysteresis = 3; | |
741 | params->compressionParams.threshMax = 11; | |
742 | params->compressionParams.smallStep = 1; | |
743 | params->compressionParams.largeStep = 3; | |
744 | params->compressionParams.decimationHysteresis = 2; | |
745 | params->compressionParams.frDiffStepThresh = 5; | |
746 | params->compressionParams.qDiffStepThresh = 3; | |
747 | params->compressionParams.decimationThreshMod = 2; | |
748 | /* End of default values from Software Developer's Guide */ | |
749 | ||
750 | /* Set Sensor FPS to 15fps. This seems better than 30fps | |
751 | * for indoor lighting. */ | |
752 | params->sensorFps.divisor = 1; | |
753 | params->sensorFps.baserate = 1; | |
754 | ||
755 | params->yuvThreshold.yThreshold = 6; /* From windows driver */ | |
756 | params->yuvThreshold.uvThreshold = 6; /* From windows driver */ | |
757 | ||
758 | params->format.subSample = SUBSAMPLE_420; | |
759 | params->format.yuvOrder = YUVORDER_YUYV; | |
760 | ||
761 | params->compression.mode = CPIA_COMPRESSION_AUTO; | |
762 | params->compression.decimation = NO_DECIMATION; | |
763 | ||
764 | params->compressionTarget.frTargeting = COMP_TARGET_DEF; | |
765 | params->compressionTarget.targetFR = 15; /* From windows driver */ | |
766 | params->compressionTarget.targetQ = 5; /* From windows driver */ | |
767 | ||
768 | params->qx3.qx3_detected = 0; | |
769 | params->qx3.toplight = 0; | |
770 | params->qx3.bottomlight = 0; | |
771 | params->qx3.button = 0; | |
772 | params->qx3.cradled = 0; | |
773 | } | |
774 | ||
775 | static void printstatus(struct cam_params *params) | |
776 | { | |
777 | PDEBUG(D_PROBE, "status: %02x %02x %02x %02x %02x %02x %02x %02x", | |
778 | params->status.systemState, params->status.grabState, | |
779 | params->status.streamState, params->status.fatalError, | |
780 | params->status.cmdError, params->status.debugFlags, | |
781 | params->status.vpStatus, params->status.errorCode); | |
782 | } | |
783 | ||
784 | static int goto_low_power(struct gspca_dev *gspca_dev) | |
785 | { | |
786 | struct sd *sd = (struct sd *) gspca_dev; | |
787 | int ret; | |
788 | ||
789 | ret = do_command(gspca_dev, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0); | |
790 | if (ret) | |
791 | return ret; | |
792 | ||
793 | do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
794 | if (ret) | |
795 | return ret; | |
796 | ||
797 | if (sd->params.status.systemState != LO_POWER_STATE) { | |
798 | if (sd->params.status.systemState != WARM_BOOT_STATE) { | |
799 | PDEBUG(D_ERR, | |
800 | "unexpected state after lo power cmd: %02x", | |
801 | sd->params.status.systemState); | |
802 | printstatus(&sd->params); | |
803 | } | |
804 | return -EIO; | |
805 | } | |
806 | ||
807 | PDEBUG(D_CONF, "camera now in LOW power state"); | |
808 | return 0; | |
809 | } | |
810 | ||
811 | static int goto_high_power(struct gspca_dev *gspca_dev) | |
812 | { | |
813 | struct sd *sd = (struct sd *) gspca_dev; | |
814 | int ret; | |
815 | ||
816 | ret = do_command(gspca_dev, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0); | |
817 | if (ret) | |
818 | return ret; | |
819 | ||
820 | msleep_interruptible(40); /* windows driver does it too */ | |
821 | ||
822 | if (signal_pending(current)) | |
823 | return -EINTR; | |
824 | ||
825 | do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
826 | if (ret) | |
827 | return ret; | |
828 | ||
829 | if (sd->params.status.systemState != HI_POWER_STATE) { | |
830 | PDEBUG(D_ERR, "unexpected state after hi power cmd: %02x", | |
831 | sd->params.status.systemState); | |
832 | printstatus(&sd->params); | |
833 | return -EIO; | |
834 | } | |
835 | ||
836 | PDEBUG(D_CONF, "camera now in HIGH power state"); | |
837 | return 0; | |
838 | } | |
839 | ||
840 | static int get_version_information(struct gspca_dev *gspca_dev) | |
841 | { | |
842 | int ret; | |
843 | ||
844 | /* GetCPIAVersion */ | |
845 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); | |
846 | if (ret) | |
847 | return ret; | |
848 | ||
849 | /* GetPnPID */ | |
850 | return do_command(gspca_dev, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); | |
851 | } | |
852 | ||
853 | static int save_camera_state(struct gspca_dev *gspca_dev) | |
854 | { | |
855 | int ret; | |
856 | ||
857 | ret = do_command(gspca_dev, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); | |
858 | if (ret) | |
859 | return ret; | |
860 | ||
861 | return do_command(gspca_dev, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); | |
862 | } | |
863 | ||
e7c3ee63 | 864 | static int command_setformat(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
865 | { |
866 | struct sd *sd = (struct sd *) gspca_dev; | |
867 | int ret; | |
868 | ||
869 | ret = do_command(gspca_dev, CPIA_COMMAND_SetFormat, | |
870 | sd->params.format.videoSize, | |
871 | sd->params.format.subSample, | |
872 | sd->params.format.yuvOrder, 0); | |
873 | if (ret) | |
874 | return ret; | |
875 | ||
876 | return do_command(gspca_dev, CPIA_COMMAND_SetROI, | |
877 | sd->params.roi.colStart, sd->params.roi.colEnd, | |
878 | sd->params.roi.rowStart, sd->params.roi.rowEnd); | |
879 | } | |
880 | ||
e7c3ee63 | 881 | static int command_setcolourparams(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
882 | { |
883 | struct sd *sd = (struct sd *) gspca_dev; | |
884 | return do_command(gspca_dev, CPIA_COMMAND_SetColourParams, | |
885 | sd->params.colourParams.brightness, | |
886 | sd->params.colourParams.contrast, | |
887 | sd->params.colourParams.saturation, 0); | |
888 | } | |
889 | ||
e7c3ee63 | 890 | static int command_setapcor(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
891 | { |
892 | struct sd *sd = (struct sd *) gspca_dev; | |
893 | return do_command(gspca_dev, CPIA_COMMAND_SetApcor, | |
894 | sd->params.apcor.gain1, | |
895 | sd->params.apcor.gain2, | |
896 | sd->params.apcor.gain4, | |
897 | sd->params.apcor.gain8); | |
898 | } | |
899 | ||
e7c3ee63 | 900 | static int command_setvloffset(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
901 | { |
902 | struct sd *sd = (struct sd *) gspca_dev; | |
903 | return do_command(gspca_dev, CPIA_COMMAND_SetVLOffset, | |
904 | sd->params.vlOffset.gain1, | |
905 | sd->params.vlOffset.gain2, | |
906 | sd->params.vlOffset.gain4, | |
907 | sd->params.vlOffset.gain8); | |
908 | } | |
909 | ||
e7c3ee63 | 910 | static int command_setexposure(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
911 | { |
912 | struct sd *sd = (struct sd *) gspca_dev; | |
913 | int ret; | |
914 | ||
915 | ret = do_command_extended(gspca_dev, CPIA_COMMAND_SetExposure, | |
916 | sd->params.exposure.gainMode, | |
917 | 1, | |
918 | sd->params.exposure.compMode, | |
919 | sd->params.exposure.centreWeight, | |
920 | sd->params.exposure.gain, | |
921 | sd->params.exposure.fineExp, | |
922 | sd->params.exposure.coarseExpLo, | |
923 | sd->params.exposure.coarseExpHi, | |
924 | sd->params.exposure.redComp, | |
925 | sd->params.exposure.green1Comp, | |
926 | sd->params.exposure.green2Comp, | |
927 | sd->params.exposure.blueComp); | |
928 | if (ret) | |
929 | return ret; | |
930 | ||
931 | if (sd->params.exposure.expMode != 1) { | |
932 | ret = do_command_extended(gspca_dev, CPIA_COMMAND_SetExposure, | |
933 | 0, | |
934 | sd->params.exposure.expMode, | |
935 | 0, 0, | |
936 | sd->params.exposure.gain, | |
937 | sd->params.exposure.fineExp, | |
938 | sd->params.exposure.coarseExpLo, | |
939 | sd->params.exposure.coarseExpHi, | |
940 | 0, 0, 0, 0); | |
941 | } | |
942 | ||
943 | return ret; | |
944 | } | |
945 | ||
e7c3ee63 | 946 | static int command_setcolourbalance(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
947 | { |
948 | struct sd *sd = (struct sd *) gspca_dev; | |
949 | ||
950 | if (sd->params.colourBalance.balanceMode == 1) { | |
951 | int ret; | |
952 | ||
953 | ret = do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
954 | 1, | |
955 | sd->params.colourBalance.redGain, | |
956 | sd->params.colourBalance.greenGain, | |
957 | sd->params.colourBalance.blueGain); | |
958 | if (ret) | |
959 | return ret; | |
960 | ||
961 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
962 | 3, 0, 0, 0); | |
963 | } | |
964 | if (sd->params.colourBalance.balanceMode == 2) { | |
965 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
966 | 2, 0, 0, 0); | |
967 | } | |
968 | if (sd->params.colourBalance.balanceMode == 3) { | |
969 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
970 | 3, 0, 0, 0); | |
971 | } | |
972 | ||
973 | return -EINVAL; | |
974 | } | |
975 | ||
e7c3ee63 | 976 | static int command_setcompressiontarget(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
977 | { |
978 | struct sd *sd = (struct sd *) gspca_dev; | |
979 | ||
980 | return do_command(gspca_dev, CPIA_COMMAND_SetCompressionTarget, | |
981 | sd->params.compressionTarget.frTargeting, | |
982 | sd->params.compressionTarget.targetFR, | |
983 | sd->params.compressionTarget.targetQ, 0); | |
984 | } | |
985 | ||
e7c3ee63 | 986 | static int command_setyuvtresh(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
987 | { |
988 | struct sd *sd = (struct sd *) gspca_dev; | |
989 | ||
990 | return do_command(gspca_dev, CPIA_COMMAND_SetYUVThresh, | |
991 | sd->params.yuvThreshold.yThreshold, | |
992 | sd->params.yuvThreshold.uvThreshold, 0, 0); | |
993 | } | |
994 | ||
e7c3ee63 | 995 | static int command_setcompressionparams(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
996 | { |
997 | struct sd *sd = (struct sd *) gspca_dev; | |
998 | ||
999 | return do_command_extended(gspca_dev, | |
1000 | CPIA_COMMAND_SetCompressionParams, | |
1001 | 0, 0, 0, 0, | |
1002 | sd->params.compressionParams.hysteresis, | |
1003 | sd->params.compressionParams.threshMax, | |
1004 | sd->params.compressionParams.smallStep, | |
1005 | sd->params.compressionParams.largeStep, | |
1006 | sd->params.compressionParams.decimationHysteresis, | |
1007 | sd->params.compressionParams.frDiffStepThresh, | |
1008 | sd->params.compressionParams.qDiffStepThresh, | |
1009 | sd->params.compressionParams.decimationThreshMod); | |
1010 | } | |
1011 | ||
e7c3ee63 | 1012 | static int command_setcompression(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1013 | { |
1014 | struct sd *sd = (struct sd *) gspca_dev; | |
1015 | ||
1016 | return do_command(gspca_dev, CPIA_COMMAND_SetCompression, | |
1017 | sd->params.compression.mode, | |
1018 | sd->params.compression.decimation, 0, 0); | |
1019 | } | |
1020 | ||
e7c3ee63 | 1021 | static int command_setsensorfps(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1022 | { |
1023 | struct sd *sd = (struct sd *) gspca_dev; | |
1024 | ||
1025 | return do_command(gspca_dev, CPIA_COMMAND_SetSensorFPS, | |
1026 | sd->params.sensorFps.divisor, | |
1027 | sd->params.sensorFps.baserate, 0, 0); | |
1028 | } | |
1029 | ||
e7c3ee63 | 1030 | static int command_setflickerctrl(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1031 | { |
1032 | struct sd *sd = (struct sd *) gspca_dev; | |
1033 | ||
1034 | return do_command(gspca_dev, CPIA_COMMAND_SetFlickerCtrl, | |
1035 | sd->params.flickerControl.flickerMode, | |
1036 | sd->params.flickerControl.coarseJump, | |
1037 | sd->params.flickerControl.allowableOverExposure, | |
1038 | 0); | |
1039 | } | |
1040 | ||
e7c3ee63 | 1041 | static int command_setecptiming(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1042 | { |
1043 | struct sd *sd = (struct sd *) gspca_dev; | |
1044 | ||
1045 | return do_command(gspca_dev, CPIA_COMMAND_SetECPTiming, | |
1046 | sd->params.ecpTiming, 0, 0, 0); | |
1047 | } | |
1048 | ||
e7c3ee63 | 1049 | static int command_pause(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1050 | { |
1051 | return do_command(gspca_dev, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); | |
1052 | } | |
1053 | ||
e7c3ee63 | 1054 | static int command_resume(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1055 | { |
1056 | struct sd *sd = (struct sd *) gspca_dev; | |
1057 | ||
1058 | return do_command(gspca_dev, CPIA_COMMAND_InitStreamCap, | |
1059 | 0, sd->params.streamStartLine, 0, 0); | |
1060 | } | |
1061 | ||
b4bc3dcb | 1062 | #if 0 /* Currently unused */ |
e7c3ee63 | 1063 | static int command_setlights(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
1064 | { |
1065 | struct sd *sd = (struct sd *) gspca_dev; | |
1066 | int ret, p1, p2; | |
1067 | ||
1068 | if (!sd->params.qx3.qx3_detected) | |
1069 | return 0; | |
1070 | ||
1071 | p1 = (sd->params.qx3.bottomlight == 0) << 1; | |
1072 | p2 = (sd->params.qx3.toplight == 0) << 3; | |
1073 | ||
1074 | ret = do_command(gspca_dev, CPIA_COMMAND_WriteVCReg, | |
1075 | 0x90, 0x8F, 0x50, 0); | |
1076 | if (ret) | |
1077 | return ret; | |
1078 | ||
1079 | return do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, 2, 0, | |
1080 | p1 | p2 | 0xE0, 0); | |
1081 | } | |
b4bc3dcb | 1082 | #endif |
54e8bc5d HG |
1083 | |
1084 | static int set_flicker(struct gspca_dev *gspca_dev, int on, int apply) | |
1085 | { | |
1086 | /* Everything in here is from the Windows driver */ | |
1087 | /* define for compgain calculation */ | |
1088 | #if 0 | |
1089 | #define COMPGAIN(base, curexp, newexp) \ | |
1090 | (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) | |
1091 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ | |
1092 | (u16)((float)curexp * (float)(u8)(curcomp + 128) / \ | |
1093 | (float)(u8)(basecomp - 128)) | |
1094 | #else | |
1095 | /* equivalent functions without floating point math */ | |
1096 | #define COMPGAIN(base, curexp, newexp) \ | |
1097 | (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2 * newexp))) | |
1098 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ | |
1099 | (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) | |
1100 | #endif | |
1101 | ||
1102 | struct sd *sd = (struct sd *) gspca_dev; | |
1103 | int currentexp = sd->params.exposure.coarseExpLo + | |
1104 | sd->params.exposure.coarseExpHi * 256; | |
1105 | int ret, startexp; | |
1106 | ||
1107 | if (on) { | |
1108 | int cj = sd->params.flickerControl.coarseJump; | |
1109 | sd->params.flickerControl.flickerMode = 1; | |
1110 | sd->params.flickerControl.disabled = 0; | |
1111 | if (sd->params.exposure.expMode != 2) { | |
1112 | sd->params.exposure.expMode = 2; | |
1113 | sd->exposure_status = EXPOSURE_NORMAL; | |
1114 | } | |
1115 | currentexp = currentexp << sd->params.exposure.gain; | |
1116 | sd->params.exposure.gain = 0; | |
1117 | /* round down current exposure to nearest value */ | |
1118 | startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; | |
1119 | if (startexp < 1) | |
1120 | startexp = 1; | |
1121 | startexp = (startexp * cj) - 1; | |
1122 | if (FIRMWARE_VERSION(1, 2)) | |
1123 | while (startexp > MAX_EXP_102) | |
1124 | startexp -= cj; | |
1125 | else | |
1126 | while (startexp > MAX_EXP) | |
1127 | startexp -= cj; | |
1128 | sd->params.exposure.coarseExpLo = startexp & 0xff; | |
1129 | sd->params.exposure.coarseExpHi = startexp >> 8; | |
1130 | if (currentexp > startexp) { | |
1131 | if (currentexp > (2 * startexp)) | |
1132 | currentexp = 2 * startexp; | |
1133 | sd->params.exposure.redComp = | |
1134 | COMPGAIN(COMP_RED, currentexp, startexp); | |
1135 | sd->params.exposure.green1Comp = | |
1136 | COMPGAIN(COMP_GREEN1, currentexp, startexp); | |
1137 | sd->params.exposure.green2Comp = | |
1138 | COMPGAIN(COMP_GREEN2, currentexp, startexp); | |
1139 | sd->params.exposure.blueComp = | |
1140 | COMPGAIN(COMP_BLUE, currentexp, startexp); | |
1141 | } else { | |
1142 | sd->params.exposure.redComp = COMP_RED; | |
1143 | sd->params.exposure.green1Comp = COMP_GREEN1; | |
1144 | sd->params.exposure.green2Comp = COMP_GREEN2; | |
1145 | sd->params.exposure.blueComp = COMP_BLUE; | |
1146 | } | |
1147 | if (FIRMWARE_VERSION(1, 2)) | |
1148 | sd->params.exposure.compMode = 0; | |
1149 | else | |
1150 | sd->params.exposure.compMode = 1; | |
1151 | ||
1152 | sd->params.apcor.gain1 = 0x18; | |
1153 | sd->params.apcor.gain2 = 0x18; | |
1154 | sd->params.apcor.gain4 = 0x16; | |
1155 | sd->params.apcor.gain8 = 0x14; | |
1156 | } else { | |
1157 | sd->params.flickerControl.flickerMode = 0; | |
1158 | sd->params.flickerControl.disabled = 1; | |
1159 | /* Average equivalent coarse for each comp channel */ | |
1160 | startexp = EXP_FROM_COMP(COMP_RED, | |
1161 | sd->params.exposure.redComp, currentexp); | |
1162 | startexp += EXP_FROM_COMP(COMP_GREEN1, | |
1163 | sd->params.exposure.green1Comp, currentexp); | |
1164 | startexp += EXP_FROM_COMP(COMP_GREEN2, | |
1165 | sd->params.exposure.green2Comp, currentexp); | |
1166 | startexp += EXP_FROM_COMP(COMP_BLUE, | |
1167 | sd->params.exposure.blueComp, currentexp); | |
1168 | startexp = startexp >> 2; | |
1169 | while (startexp > MAX_EXP && sd->params.exposure.gain < | |
1170 | sd->params.exposure.gainMode - 1) { | |
1171 | startexp = startexp >> 1; | |
1172 | ++sd->params.exposure.gain; | |
1173 | } | |
1174 | if (FIRMWARE_VERSION(1, 2) && startexp > MAX_EXP_102) | |
1175 | startexp = MAX_EXP_102; | |
1176 | if (startexp > MAX_EXP) | |
1177 | startexp = MAX_EXP; | |
1178 | sd->params.exposure.coarseExpLo = startexp & 0xff; | |
1179 | sd->params.exposure.coarseExpHi = startexp >> 8; | |
1180 | sd->params.exposure.redComp = COMP_RED; | |
1181 | sd->params.exposure.green1Comp = COMP_GREEN1; | |
1182 | sd->params.exposure.green2Comp = COMP_GREEN2; | |
1183 | sd->params.exposure.blueComp = COMP_BLUE; | |
1184 | sd->params.exposure.compMode = 1; | |
1185 | sd->params.apcor.gain1 = 0x18; | |
1186 | sd->params.apcor.gain2 = 0x16; | |
1187 | sd->params.apcor.gain4 = 0x24; | |
1188 | sd->params.apcor.gain8 = 0x34; | |
1189 | } | |
1190 | sd->params.vlOffset.gain1 = 20; | |
1191 | sd->params.vlOffset.gain2 = 24; | |
1192 | sd->params.vlOffset.gain4 = 26; | |
1193 | sd->params.vlOffset.gain8 = 26; | |
1194 | ||
1195 | if (apply) { | |
1196 | ret = command_setexposure(gspca_dev); | |
1197 | if (ret) | |
1198 | return ret; | |
1199 | ||
1200 | ret = command_setapcor(gspca_dev); | |
1201 | if (ret) | |
1202 | return ret; | |
1203 | ||
1204 | ret = command_setvloffset(gspca_dev); | |
1205 | if (ret) | |
1206 | return ret; | |
1207 | ||
1208 | ret = command_setflickerctrl(gspca_dev); | |
1209 | if (ret) | |
1210 | return ret; | |
1211 | } | |
1212 | ||
1213 | return 0; | |
1214 | #undef EXP_FROM_COMP | |
1215 | #undef COMPGAIN | |
1216 | } | |
1217 | ||
1218 | /* monitor the exposure and adjust the sensor frame rate if needed */ | |
1219 | static void monitor_exposure(struct gspca_dev *gspca_dev) | |
1220 | { | |
1221 | struct sd *sd = (struct sd *) gspca_dev; | |
1222 | u8 exp_acc, bcomp, gain, coarseL, cmd[8]; | |
1223 | int ret, light_exp, dark_exp, very_dark_exp; | |
1224 | int old_exposure, new_exposure, framerate; | |
1225 | int setfps = 0, setexp = 0, setflicker = 0; | |
1226 | ||
1227 | /* get necessary stats and register settings from camera */ | |
1228 | /* do_command can't handle this, so do it ourselves */ | |
1229 | cmd[0] = CPIA_COMMAND_ReadVPRegs >> 8; | |
1230 | cmd[1] = CPIA_COMMAND_ReadVPRegs & 0xff; | |
1231 | cmd[2] = 30; | |
1232 | cmd[3] = 4; | |
1233 | cmd[4] = 9; | |
1234 | cmd[5] = 8; | |
1235 | cmd[6] = 8; | |
1236 | cmd[7] = 0; | |
1237 | ret = cpia_usb_transferCmd(gspca_dev, cmd); | |
1238 | if (ret) { | |
1239 | PDEBUG(D_ERR, "ReadVPRegs(30,4,9,8) - failed: %d", ret); | |
1240 | return; | |
1241 | } | |
1242 | exp_acc = gspca_dev->usb_buf[0]; | |
1243 | bcomp = gspca_dev->usb_buf[1]; | |
1244 | gain = gspca_dev->usb_buf[2]; | |
1245 | coarseL = gspca_dev->usb_buf[3]; | |
1246 | ||
1247 | light_exp = sd->params.colourParams.brightness + | |
1248 | TC - 50 + EXP_ACC_LIGHT; | |
1249 | if (light_exp > 255) | |
1250 | light_exp = 255; | |
1251 | dark_exp = sd->params.colourParams.brightness + | |
1252 | TC - 50 - EXP_ACC_DARK; | |
1253 | if (dark_exp < 0) | |
1254 | dark_exp = 0; | |
1255 | very_dark_exp = dark_exp / 2; | |
1256 | ||
1257 | old_exposure = sd->params.exposure.coarseExpHi * 256 + | |
1258 | sd->params.exposure.coarseExpLo; | |
1259 | ||
1260 | if (!sd->params.flickerControl.disabled) { | |
1261 | /* Flicker control on */ | |
1262 | int max_comp = FIRMWARE_VERSION(1, 2) ? MAX_COMP : | |
1263 | HIGH_COMP_102; | |
1264 | bcomp += 128; /* decode */ | |
1265 | if (bcomp >= max_comp && exp_acc < dark_exp) { | |
1266 | /* dark */ | |
1267 | if (exp_acc < very_dark_exp) { | |
1268 | /* very dark */ | |
1269 | if (sd->exposure_status == EXPOSURE_VERY_DARK) | |
1270 | ++sd->exposure_count; | |
1271 | else { | |
1272 | sd->exposure_status = | |
1273 | EXPOSURE_VERY_DARK; | |
1274 | sd->exposure_count = 1; | |
1275 | } | |
1276 | } else { | |
1277 | /* just dark */ | |
1278 | if (sd->exposure_status == EXPOSURE_DARK) | |
1279 | ++sd->exposure_count; | |
1280 | else { | |
1281 | sd->exposure_status = EXPOSURE_DARK; | |
1282 | sd->exposure_count = 1; | |
1283 | } | |
1284 | } | |
1285 | } else if (old_exposure <= LOW_EXP || exp_acc > light_exp) { | |
1286 | /* light */ | |
1287 | if (old_exposure <= VERY_LOW_EXP) { | |
1288 | /* very light */ | |
1289 | if (sd->exposure_status == EXPOSURE_VERY_LIGHT) | |
1290 | ++sd->exposure_count; | |
1291 | else { | |
1292 | sd->exposure_status = | |
1293 | EXPOSURE_VERY_LIGHT; | |
1294 | sd->exposure_count = 1; | |
1295 | } | |
1296 | } else { | |
1297 | /* just light */ | |
1298 | if (sd->exposure_status == EXPOSURE_LIGHT) | |
1299 | ++sd->exposure_count; | |
1300 | else { | |
1301 | sd->exposure_status = EXPOSURE_LIGHT; | |
1302 | sd->exposure_count = 1; | |
1303 | } | |
1304 | } | |
1305 | } else { | |
1306 | /* not dark or light */ | |
1307 | sd->exposure_status = EXPOSURE_NORMAL; | |
1308 | } | |
1309 | } else { | |
1310 | /* Flicker control off */ | |
1311 | if (old_exposure >= MAX_EXP && exp_acc < dark_exp) { | |
1312 | /* dark */ | |
1313 | if (exp_acc < very_dark_exp) { | |
1314 | /* very dark */ | |
1315 | if (sd->exposure_status == EXPOSURE_VERY_DARK) | |
1316 | ++sd->exposure_count; | |
1317 | else { | |
1318 | sd->exposure_status = | |
1319 | EXPOSURE_VERY_DARK; | |
1320 | sd->exposure_count = 1; | |
1321 | } | |
1322 | } else { | |
1323 | /* just dark */ | |
1324 | if (sd->exposure_status == EXPOSURE_DARK) | |
1325 | ++sd->exposure_count; | |
1326 | else { | |
1327 | sd->exposure_status = EXPOSURE_DARK; | |
1328 | sd->exposure_count = 1; | |
1329 | } | |
1330 | } | |
1331 | } else if (old_exposure <= LOW_EXP || exp_acc > light_exp) { | |
1332 | /* light */ | |
1333 | if (old_exposure <= VERY_LOW_EXP) { | |
1334 | /* very light */ | |
1335 | if (sd->exposure_status == EXPOSURE_VERY_LIGHT) | |
1336 | ++sd->exposure_count; | |
1337 | else { | |
1338 | sd->exposure_status = | |
1339 | EXPOSURE_VERY_LIGHT; | |
1340 | sd->exposure_count = 1; | |
1341 | } | |
1342 | } else { | |
1343 | /* just light */ | |
1344 | if (sd->exposure_status == EXPOSURE_LIGHT) | |
1345 | ++sd->exposure_count; | |
1346 | else { | |
1347 | sd->exposure_status = EXPOSURE_LIGHT; | |
1348 | sd->exposure_count = 1; | |
1349 | } | |
1350 | } | |
1351 | } else { | |
1352 | /* not dark or light */ | |
1353 | sd->exposure_status = EXPOSURE_NORMAL; | |
1354 | } | |
1355 | } | |
1356 | ||
1357 | framerate = atomic_read(&sd->fps); | |
1358 | if (framerate > 30 || framerate < 1) | |
1359 | framerate = 1; | |
1360 | ||
1361 | if (!sd->params.flickerControl.disabled) { | |
1362 | /* Flicker control on */ | |
1363 | if ((sd->exposure_status == EXPOSURE_VERY_DARK || | |
1364 | sd->exposure_status == EXPOSURE_DARK) && | |
1365 | sd->exposure_count >= DARK_TIME * framerate && | |
1366 | sd->params.sensorFps.divisor < 3) { | |
1367 | ||
1368 | /* dark for too long */ | |
1369 | ++sd->params.sensorFps.divisor; | |
1370 | setfps = 1; | |
1371 | ||
1372 | sd->params.flickerControl.coarseJump = | |
1373 | flicker_jumps[sd->mainsFreq] | |
1374 | [sd->params.sensorFps.baserate] | |
1375 | [sd->params.sensorFps.divisor]; | |
1376 | setflicker = 1; | |
1377 | ||
1378 | new_exposure = sd->params.flickerControl.coarseJump-1; | |
1379 | while (new_exposure < old_exposure / 2) | |
1380 | new_exposure += | |
1381 | sd->params.flickerControl.coarseJump; | |
1382 | sd->params.exposure.coarseExpLo = new_exposure & 0xff; | |
1383 | sd->params.exposure.coarseExpHi = new_exposure >> 8; | |
1384 | setexp = 1; | |
1385 | sd->exposure_status = EXPOSURE_NORMAL; | |
1386 | PDEBUG(D_CONF, "Automatically decreasing sensor_fps"); | |
1387 | ||
1388 | } else if ((sd->exposure_status == EXPOSURE_VERY_LIGHT || | |
1389 | sd->exposure_status == EXPOSURE_LIGHT) && | |
1390 | sd->exposure_count >= LIGHT_TIME * framerate && | |
1391 | sd->params.sensorFps.divisor > 0) { | |
1392 | ||
1393 | /* light for too long */ | |
1394 | int max_exp = FIRMWARE_VERSION(1, 2) ? MAX_EXP_102 : | |
1395 | MAX_EXP; | |
1396 | --sd->params.sensorFps.divisor; | |
1397 | setfps = 1; | |
1398 | ||
1399 | sd->params.flickerControl.coarseJump = | |
1400 | flicker_jumps[sd->mainsFreq] | |
1401 | [sd->params.sensorFps.baserate] | |
1402 | [sd->params.sensorFps.divisor]; | |
1403 | setflicker = 1; | |
1404 | ||
1405 | new_exposure = sd->params.flickerControl.coarseJump-1; | |
1406 | while (new_exposure < 2 * old_exposure && | |
1407 | new_exposure + | |
1408 | sd->params.flickerControl.coarseJump < max_exp) | |
1409 | new_exposure += | |
1410 | sd->params.flickerControl.coarseJump; | |
1411 | sd->params.exposure.coarseExpLo = new_exposure & 0xff; | |
1412 | sd->params.exposure.coarseExpHi = new_exposure >> 8; | |
1413 | setexp = 1; | |
1414 | sd->exposure_status = EXPOSURE_NORMAL; | |
1415 | PDEBUG(D_CONF, "Automatically increasing sensor_fps"); | |
1416 | } | |
1417 | } else { | |
1418 | /* Flicker control off */ | |
1419 | if ((sd->exposure_status == EXPOSURE_VERY_DARK || | |
1420 | sd->exposure_status == EXPOSURE_DARK) && | |
1421 | sd->exposure_count >= DARK_TIME * framerate && | |
1422 | sd->params.sensorFps.divisor < 3) { | |
1423 | ||
1424 | /* dark for too long */ | |
1425 | ++sd->params.sensorFps.divisor; | |
1426 | setfps = 1; | |
1427 | ||
1428 | if (sd->params.exposure.gain > 0) { | |
1429 | --sd->params.exposure.gain; | |
1430 | setexp = 1; | |
1431 | } | |
1432 | sd->exposure_status = EXPOSURE_NORMAL; | |
1433 | PDEBUG(D_CONF, "Automatically decreasing sensor_fps"); | |
1434 | ||
1435 | } else if ((sd->exposure_status == EXPOSURE_VERY_LIGHT || | |
1436 | sd->exposure_status == EXPOSURE_LIGHT) && | |
1437 | sd->exposure_count >= LIGHT_TIME * framerate && | |
1438 | sd->params.sensorFps.divisor > 0) { | |
1439 | ||
1440 | /* light for too long */ | |
1441 | --sd->params.sensorFps.divisor; | |
1442 | setfps = 1; | |
1443 | ||
1444 | if (sd->params.exposure.gain < | |
1445 | sd->params.exposure.gainMode - 1) { | |
1446 | ++sd->params.exposure.gain; | |
1447 | setexp = 1; | |
1448 | } | |
1449 | sd->exposure_status = EXPOSURE_NORMAL; | |
1450 | PDEBUG(D_CONF, "Automatically increasing sensor_fps"); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | if (setexp) | |
1455 | command_setexposure(gspca_dev); | |
1456 | ||
1457 | if (setfps) | |
1458 | command_setsensorfps(gspca_dev); | |
1459 | ||
1460 | if (setflicker) | |
1461 | command_setflickerctrl(gspca_dev); | |
1462 | } | |
1463 | ||
1464 | /*-----------------------------------------------------------------*/ | |
1465 | /* if flicker is switched off, this function switches it back on.It checks, | |
1466 | however, that conditions are suitable before restarting it. | |
1467 | This should only be called for firmware version 1.2. | |
1468 | ||
1469 | It also adjust the colour balance when an exposure step is detected - as | |
1470 | long as flicker is running | |
1471 | */ | |
1472 | static void restart_flicker(struct gspca_dev *gspca_dev) | |
1473 | { | |
1474 | struct sd *sd = (struct sd *) gspca_dev; | |
1475 | int cam_exposure, old_exp; | |
1476 | ||
1477 | if (!FIRMWARE_VERSION(1, 2)) | |
1478 | return; | |
1479 | ||
1480 | cam_exposure = atomic_read(&sd->cam_exposure); | |
1481 | ||
1482 | if (sd->params.flickerControl.flickerMode == 0 || | |
1483 | cam_exposure == 0) | |
1484 | return; | |
1485 | ||
1486 | old_exp = sd->params.exposure.coarseExpLo + | |
1487 | sd->params.exposure.coarseExpHi*256; | |
1488 | /* | |
1489 | see how far away camera exposure is from a valid | |
1490 | flicker exposure value | |
1491 | */ | |
1492 | cam_exposure %= sd->params.flickerControl.coarseJump; | |
1493 | if (!sd->params.flickerControl.disabled && | |
1494 | cam_exposure <= sd->params.flickerControl.coarseJump - 3) { | |
1495 | /* Flicker control auto-disabled */ | |
1496 | sd->params.flickerControl.disabled = 1; | |
1497 | } | |
1498 | ||
1499 | if (sd->params.flickerControl.disabled && | |
1500 | old_exp > sd->params.flickerControl.coarseJump + | |
1501 | ROUND_UP_EXP_FOR_FLICKER) { | |
1502 | /* exposure is now high enough to switch | |
1503 | flicker control back on */ | |
1504 | set_flicker(gspca_dev, 1, 1); | |
1505 | } | |
1506 | } | |
1507 | ||
1508 | /* this function is called at probe time */ | |
1509 | static int sd_config(struct gspca_dev *gspca_dev, | |
1510 | const struct usb_device_id *id) | |
1511 | { | |
1512 | struct cam *cam; | |
1513 | ||
1514 | reset_camera_params(gspca_dev); | |
1515 | ||
1516 | PDEBUG(D_PROBE, "cpia CPiA camera detected (vid/pid 0x%04X:0x%04X)", | |
1517 | id->idVendor, id->idProduct); | |
1518 | ||
1519 | cam = &gspca_dev->cam; | |
1520 | cam->cam_mode = mode; | |
1521 | cam->nmodes = ARRAY_SIZE(mode); | |
1522 | ||
1523 | sd_setfreq(gspca_dev, FREQ_DEF); | |
1524 | ||
1525 | return 0; | |
1526 | } | |
1527 | ||
1528 | /* -- start the camera -- */ | |
1529 | static int sd_start(struct gspca_dev *gspca_dev) | |
1530 | { | |
1531 | struct sd *sd = (struct sd *) gspca_dev; | |
1532 | int priv, ret; | |
1533 | ||
1534 | /* Start the camera in low power mode */ | |
1535 | if (goto_low_power(gspca_dev)) { | |
1536 | if (sd->params.status.systemState != WARM_BOOT_STATE) { | |
1537 | PDEBUG(D_ERR, "unexpected systemstate: %02x", | |
1538 | sd->params.status.systemState); | |
1539 | printstatus(&sd->params); | |
1540 | return -ENODEV; | |
1541 | } | |
1542 | ||
1543 | /* FIXME: this is just dirty trial and error */ | |
1544 | ret = goto_high_power(gspca_dev); | |
1545 | if (ret) | |
1546 | return ret; | |
1547 | ||
1548 | ret = do_command(gspca_dev, CPIA_COMMAND_DiscardFrame, | |
1549 | 0, 0, 0, 0); | |
1550 | if (ret) | |
1551 | return ret; | |
1552 | ||
1553 | ret = goto_low_power(gspca_dev); | |
1554 | if (ret) | |
1555 | return ret; | |
1556 | } | |
1557 | ||
1558 | /* procedure described in developer's guide p3-28 */ | |
1559 | ||
1560 | /* Check the firmware version. */ | |
1561 | sd->params.version.firmwareVersion = 0; | |
1562 | get_version_information(gspca_dev); | |
1563 | if (sd->params.version.firmwareVersion != 1) { | |
1564 | PDEBUG(D_ERR, "only firmware version 1 is supported (got: %d)", | |
1565 | sd->params.version.firmwareVersion); | |
1566 | return -ENODEV; | |
1567 | } | |
1568 | ||
1569 | /* A bug in firmware 1-02 limits gainMode to 2 */ | |
1570 | if (sd->params.version.firmwareRevision <= 2 && | |
1571 | sd->params.exposure.gainMode > 2) { | |
1572 | sd->params.exposure.gainMode = 2; | |
1573 | } | |
1574 | ||
1575 | /* set QX3 detected flag */ | |
1576 | sd->params.qx3.qx3_detected = (sd->params.pnpID.vendor == 0x0813 && | |
1577 | sd->params.pnpID.product == 0x0001); | |
1578 | ||
1579 | /* The fatal error checking should be done after | |
1580 | * the camera powers up (developer's guide p 3-38) */ | |
1581 | ||
1582 | /* Set streamState before transition to high power to avoid bug | |
1583 | * in firmware 1-02 */ | |
1584 | ret = do_command(gspca_dev, CPIA_COMMAND_ModifyCameraStatus, | |
1585 | STREAMSTATE, 0, STREAM_NOT_READY, 0); | |
1586 | if (ret) | |
1587 | return ret; | |
1588 | ||
1589 | /* GotoHiPower */ | |
1590 | ret = goto_high_power(gspca_dev); | |
1591 | if (ret) | |
1592 | return ret; | |
1593 | ||
1594 | /* Check the camera status */ | |
1595 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
1596 | if (ret) | |
1597 | return ret; | |
1598 | ||
1599 | if (sd->params.status.fatalError) { | |
1600 | PDEBUG(D_ERR, "fatal_error: %04x, vp_status: %04x", | |
1601 | sd->params.status.fatalError, | |
1602 | sd->params.status.vpStatus); | |
1603 | return -EIO; | |
1604 | } | |
1605 | ||
1606 | /* VPVersion can't be retrieved before the camera is in HiPower, | |
1607 | * so get it here instead of in get_version_information. */ | |
1608 | ret = do_command(gspca_dev, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); | |
1609 | if (ret) | |
1610 | return ret; | |
1611 | ||
1612 | /* Determine video mode settings */ | |
1613 | sd->params.streamStartLine = 120; | |
1614 | ||
1615 | priv = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; | |
1616 | if (priv & 0x01) { /* crop */ | |
1617 | sd->params.roi.colStart = 2; | |
1618 | sd->params.roi.rowStart = 6; | |
1619 | } else { | |
1620 | sd->params.roi.colStart = 0; | |
1621 | sd->params.roi.rowStart = 0; | |
1622 | } | |
1623 | ||
1624 | if (priv & 0x02) { /* quarter */ | |
1625 | sd->params.format.videoSize = VIDEOSIZE_QCIF; | |
1626 | sd->params.roi.colStart /= 2; | |
1627 | sd->params.roi.rowStart /= 2; | |
1628 | sd->params.streamStartLine /= 2; | |
1629 | } else | |
1630 | sd->params.format.videoSize = VIDEOSIZE_CIF; | |
1631 | ||
1632 | sd->params.roi.colEnd = sd->params.roi.colStart + | |
1633 | (gspca_dev->width >> 3); | |
1634 | sd->params.roi.rowEnd = sd->params.roi.rowStart + | |
1635 | (gspca_dev->height >> 2); | |
1636 | ||
1637 | /* And now set the camera to a known state */ | |
1638 | ret = do_command(gspca_dev, CPIA_COMMAND_SetGrabMode, | |
1639 | CPIA_GRAB_CONTINEOUS, 0, 0, 0); | |
1640 | if (ret) | |
1641 | return ret; | |
1642 | /* We start with compression disabled, as we need one uncompressed | |
1643 | frame to handle later compressed frames */ | |
1644 | ret = do_command(gspca_dev, CPIA_COMMAND_SetCompression, | |
1645 | CPIA_COMPRESSION_NONE, | |
1646 | NO_DECIMATION, 0, 0); | |
1647 | if (ret) | |
1648 | return ret; | |
1649 | ret = command_setcompressiontarget(gspca_dev); | |
1650 | if (ret) | |
1651 | return ret; | |
1652 | ret = command_setcolourparams(gspca_dev); | |
1653 | if (ret) | |
1654 | return ret; | |
1655 | ret = command_setformat(gspca_dev); | |
1656 | if (ret) | |
1657 | return ret; | |
1658 | ret = command_setyuvtresh(gspca_dev); | |
1659 | if (ret) | |
1660 | return ret; | |
1661 | ret = command_setecptiming(gspca_dev); | |
1662 | if (ret) | |
1663 | return ret; | |
1664 | ret = command_setcompressionparams(gspca_dev); | |
1665 | if (ret) | |
1666 | return ret; | |
1667 | ret = command_setexposure(gspca_dev); | |
1668 | if (ret) | |
1669 | return ret; | |
1670 | ret = command_setcolourbalance(gspca_dev); | |
1671 | if (ret) | |
1672 | return ret; | |
1673 | ret = command_setsensorfps(gspca_dev); | |
1674 | if (ret) | |
1675 | return ret; | |
1676 | ret = command_setapcor(gspca_dev); | |
1677 | if (ret) | |
1678 | return ret; | |
1679 | ret = command_setflickerctrl(gspca_dev); | |
1680 | if (ret) | |
1681 | return ret; | |
1682 | ret = command_setvloffset(gspca_dev); | |
1683 | if (ret) | |
1684 | return ret; | |
1685 | ||
1686 | /* Start stream */ | |
1687 | ret = command_resume(gspca_dev); | |
1688 | if (ret) | |
1689 | return ret; | |
1690 | ||
1691 | /* Wait 6 frames before turning compression on for the sensor to get | |
1692 | all settings and AEC/ACB to settle */ | |
1693 | sd->first_frame = 6; | |
1694 | sd->exposure_status = EXPOSURE_NORMAL; | |
1695 | sd->exposure_count = 0; | |
1696 | atomic_set(&sd->cam_exposure, 0); | |
1697 | atomic_set(&sd->fps, 0); | |
1698 | ||
1699 | return 0; | |
1700 | } | |
1701 | ||
1702 | static void sd_stopN(struct gspca_dev *gspca_dev) | |
1703 | { | |
1704 | command_pause(gspca_dev); | |
1705 | ||
1706 | /* save camera state for later open (developers guide ch 3.5.3) */ | |
1707 | save_camera_state(gspca_dev); | |
1708 | ||
1709 | /* GotoLoPower */ | |
1710 | goto_low_power(gspca_dev); | |
1711 | ||
1712 | /* Update the camera status */ | |
1713 | do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
1714 | } | |
1715 | ||
1716 | /* this function is called at probe and resume time */ | |
1717 | static int sd_init(struct gspca_dev *gspca_dev) | |
1718 | { | |
1719 | struct sd *sd = (struct sd *) gspca_dev; | |
1720 | int ret; | |
1721 | ||
1722 | /* Start / Stop the camera to make sure we are talking to | |
1723 | a supported camera, and to get some information from it | |
1724 | to print. */ | |
1725 | ret = sd_start(gspca_dev); | |
1726 | if (ret) | |
1727 | return ret; | |
1728 | ||
1729 | sd_stopN(gspca_dev); | |
1730 | ||
1731 | PDEBUG(D_PROBE, "CPIA Version: %d.%02d (%d.%d)", | |
1732 | sd->params.version.firmwareVersion, | |
1733 | sd->params.version.firmwareRevision, | |
1734 | sd->params.version.vcVersion, | |
1735 | sd->params.version.vcRevision); | |
1736 | PDEBUG(D_PROBE, "CPIA PnP-ID: %04x:%04x:%04x", | |
1737 | sd->params.pnpID.vendor, sd->params.pnpID.product, | |
1738 | sd->params.pnpID.deviceRevision); | |
1739 | PDEBUG(D_PROBE, "VP-Version: %d.%d %04x", | |
1740 | sd->params.vpVersion.vpVersion, | |
1741 | sd->params.vpVersion.vpRevision, | |
1742 | sd->params.vpVersion.cameraHeadID); | |
1743 | ||
1744 | return 0; | |
1745 | } | |
1746 | ||
1747 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | |
1748 | u8 *data, | |
1749 | int len) | |
1750 | { | |
1751 | struct sd *sd = (struct sd *) gspca_dev; | |
1752 | ||
1753 | /* Check for SOF */ | |
1754 | if (len >= 64 && | |
1755 | data[0] == MAGIC_0 && data[1] == MAGIC_1 && | |
1756 | data[16] == sd->params.format.videoSize && | |
1757 | data[17] == sd->params.format.subSample && | |
1758 | data[18] == sd->params.format.yuvOrder && | |
1759 | data[24] == sd->params.roi.colStart && | |
1760 | data[25] == sd->params.roi.colEnd && | |
1761 | data[26] == sd->params.roi.rowStart && | |
1762 | data[27] == sd->params.roi.rowEnd) { | |
b192ca98 | 1763 | u8 *image; |
54e8bc5d HG |
1764 | |
1765 | atomic_set(&sd->cam_exposure, data[39] * 2); | |
1766 | atomic_set(&sd->fps, data[41]); | |
1767 | ||
b192ca98 JFM |
1768 | image = gspca_dev->image; |
1769 | if (image == NULL) { | |
54e8bc5d HG |
1770 | gspca_dev->last_packet_type = DISCARD_PACKET; |
1771 | return; | |
1772 | } | |
1773 | ||
1774 | /* Check for proper EOF for last frame */ | |
b192ca98 JFM |
1775 | if (gspca_dev->image_len > 4 && |
1776 | image[gspca_dev->image_len - 4] == 0xff && | |
1777 | image[gspca_dev->image_len - 3] == 0xff && | |
1778 | image[gspca_dev->image_len - 2] == 0xff && | |
1779 | image[gspca_dev->image_len - 1] == 0xff) | |
54e8bc5d HG |
1780 | gspca_frame_add(gspca_dev, LAST_PACKET, |
1781 | NULL, 0); | |
1782 | ||
1783 | gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); | |
1784 | return; | |
1785 | } | |
1786 | ||
1787 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); | |
1788 | } | |
1789 | ||
1790 | static void sd_dq_callback(struct gspca_dev *gspca_dev) | |
1791 | { | |
1792 | struct sd *sd = (struct sd *) gspca_dev; | |
1793 | ||
1794 | /* Set the normal compression settings once we have captured a | |
1795 | few uncompressed frames (and AEC has hopefully settled) */ | |
1796 | if (sd->first_frame) { | |
1797 | sd->first_frame--; | |
1798 | if (sd->first_frame == 0) | |
1799 | command_setcompression(gspca_dev); | |
1800 | } | |
1801 | ||
1802 | /* Switch flicker control back on if it got turned off */ | |
1803 | restart_flicker(gspca_dev); | |
1804 | ||
1805 | /* If AEC is enabled, monitor the exposure and | |
1806 | adjust the sensor frame rate if needed */ | |
1807 | if (sd->params.exposure.expMode == 2) | |
1808 | monitor_exposure(gspca_dev); | |
1809 | ||
1810 | /* Update our knowledge of the camera state */ | |
1811 | do_command(gspca_dev, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); | |
1812 | if (sd->params.qx3.qx3_detected) | |
1813 | do_command(gspca_dev, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); | |
1814 | } | |
1815 | ||
1816 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) | |
1817 | { | |
1818 | struct sd *sd = (struct sd *) gspca_dev; | |
1819 | int ret; | |
1820 | ||
1821 | sd->params.colourParams.brightness = val; | |
1822 | sd->params.flickerControl.allowableOverExposure = | |
1823 | find_over_exposure(sd->params.colourParams.brightness); | |
1824 | if (gspca_dev->streaming) { | |
1825 | ret = command_setcolourparams(gspca_dev); | |
1826 | if (ret) | |
1827 | return ret; | |
1828 | return command_setflickerctrl(gspca_dev); | |
1829 | } | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) | |
1834 | { | |
1835 | struct sd *sd = (struct sd *) gspca_dev; | |
1836 | ||
1837 | *val = sd->params.colourParams.brightness; | |
1838 | return 0; | |
1839 | } | |
1840 | ||
1841 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) | |
1842 | { | |
1843 | struct sd *sd = (struct sd *) gspca_dev; | |
1844 | ||
1845 | sd->params.colourParams.contrast = val; | |
1846 | if (gspca_dev->streaming) | |
1847 | return command_setcolourparams(gspca_dev); | |
1848 | ||
1849 | return 0; | |
1850 | } | |
1851 | ||
1852 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) | |
1853 | { | |
1854 | struct sd *sd = (struct sd *) gspca_dev; | |
1855 | ||
1856 | *val = sd->params.colourParams.contrast; | |
1857 | return 0; | |
1858 | } | |
1859 | ||
1860 | static int sd_setsaturation(struct gspca_dev *gspca_dev, __s32 val) | |
1861 | { | |
1862 | struct sd *sd = (struct sd *) gspca_dev; | |
1863 | ||
1864 | sd->params.colourParams.saturation = val; | |
1865 | if (gspca_dev->streaming) | |
1866 | return command_setcolourparams(gspca_dev); | |
1867 | ||
1868 | return 0; | |
1869 | } | |
1870 | ||
1871 | static int sd_getsaturation(struct gspca_dev *gspca_dev, __s32 *val) | |
1872 | { | |
1873 | struct sd *sd = (struct sd *) gspca_dev; | |
1874 | ||
1875 | *val = sd->params.colourParams.saturation; | |
1876 | return 0; | |
1877 | } | |
1878 | ||
1879 | static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val) | |
1880 | { | |
1881 | struct sd *sd = (struct sd *) gspca_dev; | |
1882 | int on; | |
1883 | ||
1884 | switch (val) { | |
1885 | case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ | |
1886 | on = 0; | |
1887 | break; | |
1888 | case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ | |
1889 | on = 1; | |
1890 | sd->mainsFreq = 0; | |
1891 | break; | |
1892 | case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ | |
1893 | on = 1; | |
1894 | sd->mainsFreq = 1; | |
1895 | break; | |
1896 | default: | |
1897 | return -EINVAL; | |
1898 | } | |
1899 | ||
1900 | sd->freq = val; | |
1901 | sd->params.flickerControl.coarseJump = | |
1902 | flicker_jumps[sd->mainsFreq] | |
1903 | [sd->params.sensorFps.baserate] | |
1904 | [sd->params.sensorFps.divisor]; | |
1905 | ||
1906 | return set_flicker(gspca_dev, on, gspca_dev->streaming); | |
1907 | } | |
1908 | ||
1909 | static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val) | |
1910 | { | |
1911 | struct sd *sd = (struct sd *) gspca_dev; | |
1912 | ||
1913 | *val = sd->freq; | |
1914 | return 0; | |
1915 | } | |
1916 | ||
1917 | static int sd_setcomptarget(struct gspca_dev *gspca_dev, __s32 val) | |
1918 | { | |
1919 | struct sd *sd = (struct sd *) gspca_dev; | |
1920 | ||
1921 | sd->params.compressionTarget.frTargeting = val; | |
1922 | if (gspca_dev->streaming) | |
1923 | return command_setcompressiontarget(gspca_dev); | |
1924 | ||
1925 | return 0; | |
1926 | } | |
1927 | ||
1928 | static int sd_getcomptarget(struct gspca_dev *gspca_dev, __s32 *val) | |
1929 | { | |
1930 | struct sd *sd = (struct sd *) gspca_dev; | |
1931 | ||
1932 | *val = sd->params.compressionTarget.frTargeting; | |
1933 | return 0; | |
1934 | } | |
1935 | ||
1936 | static int sd_querymenu(struct gspca_dev *gspca_dev, | |
1937 | struct v4l2_querymenu *menu) | |
1938 | { | |
1939 | switch (menu->id) { | |
1940 | case V4L2_CID_POWER_LINE_FREQUENCY: | |
1941 | switch (menu->index) { | |
1942 | case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ | |
1943 | strcpy((char *) menu->name, "NoFliker"); | |
1944 | return 0; | |
1945 | case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ | |
1946 | strcpy((char *) menu->name, "50 Hz"); | |
1947 | return 0; | |
1948 | case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ | |
1949 | strcpy((char *) menu->name, "60 Hz"); | |
1950 | return 0; | |
1951 | } | |
1952 | break; | |
1953 | case V4L2_CID_COMP_TARGET: | |
1954 | switch (menu->index) { | |
1955 | case CPIA_COMPRESSION_TARGET_QUALITY: | |
1956 | strcpy((char *) menu->name, "Quality"); | |
1957 | return 0; | |
1958 | case CPIA_COMPRESSION_TARGET_FRAMERATE: | |
1959 | strcpy((char *) menu->name, "Framerate"); | |
1960 | return 0; | |
1961 | } | |
1962 | break; | |
1963 | } | |
1964 | return -EINVAL; | |
1965 | } | |
1966 | ||
1967 | /* sub-driver description */ | |
1968 | static const struct sd_desc sd_desc = { | |
1969 | .name = MODULE_NAME, | |
1970 | .ctrls = sd_ctrls, | |
1971 | .nctrls = ARRAY_SIZE(sd_ctrls), | |
1972 | .config = sd_config, | |
1973 | .init = sd_init, | |
1974 | .start = sd_start, | |
1975 | .stopN = sd_stopN, | |
1976 | .dq_callback = sd_dq_callback, | |
1977 | .pkt_scan = sd_pkt_scan, | |
1978 | .querymenu = sd_querymenu, | |
1979 | }; | |
1980 | ||
1981 | /* -- module initialisation -- */ | |
1982 | static const __devinitdata struct usb_device_id device_table[] = { | |
1983 | {USB_DEVICE(0x0553, 0x0002)}, | |
1984 | {USB_DEVICE(0x0813, 0x0001)}, | |
1985 | {} | |
1986 | }; | |
1987 | MODULE_DEVICE_TABLE(usb, device_table); | |
1988 | ||
1989 | /* -- device connect -- */ | |
1990 | static int sd_probe(struct usb_interface *intf, | |
1991 | const struct usb_device_id *id) | |
1992 | { | |
1993 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), | |
1994 | THIS_MODULE); | |
1995 | } | |
1996 | ||
1997 | static struct usb_driver sd_driver = { | |
1998 | .name = MODULE_NAME, | |
1999 | .id_table = device_table, | |
2000 | .probe = sd_probe, | |
2001 | .disconnect = gspca_disconnect, | |
2002 | #ifdef CONFIG_PM | |
2003 | .suspend = gspca_suspend, | |
2004 | .resume = gspca_resume, | |
2005 | #endif | |
2006 | }; | |
2007 | ||
2008 | /* -- module insert / remove -- */ | |
2009 | static int __init sd_mod_init(void) | |
2010 | { | |
2011 | int ret; | |
2012 | ret = usb_register(&sd_driver); | |
2013 | if (ret < 0) | |
2014 | return ret; | |
2015 | PDEBUG(D_PROBE, "registered"); | |
2016 | return 0; | |
2017 | } | |
2018 | static void __exit sd_mod_exit(void) | |
2019 | { | |
2020 | usb_deregister(&sd_driver); | |
2021 | PDEBUG(D_PROBE, "deregistered"); | |
2022 | } | |
2023 | ||
2024 | module_init(sd_mod_init); | |
2025 | module_exit(sd_mod_exit); |