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54e8bc5d HG |
1 | /* |
2 | * cpia CPiA (1) gspca driver | |
3 | * | |
76fafe78 | 4 | * Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com> |
54e8bc5d HG |
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 | * | |
54e8bc5d HG |
23 | */ |
24 | ||
133a9fe9 JP |
25 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
26 | ||
54e8bc5d HG |
27 | #define MODULE_NAME "cpia1" |
28 | ||
c2f644ae | 29 | #include <linux/input.h> |
54e8bc5d HG |
30 | #include "gspca.h" |
31 | ||
1fddcf0e | 32 | MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); |
54e8bc5d HG |
33 | MODULE_DESCRIPTION("Vision CPiA"); |
34 | MODULE_LICENSE("GPL"); | |
35 | ||
36 | /* constant value's */ | |
37 | #define MAGIC_0 0x19 | |
38 | #define MAGIC_1 0x68 | |
1d00d6c1 | 39 | #define DATA_IN 0xc0 |
54e8bc5d HG |
40 | #define DATA_OUT 0x40 |
41 | #define VIDEOSIZE_QCIF 0 /* 176x144 */ | |
42 | #define VIDEOSIZE_CIF 1 /* 352x288 */ | |
43 | #define SUBSAMPLE_420 0 | |
44 | #define SUBSAMPLE_422 1 | |
45 | #define YUVORDER_YUYV 0 | |
46 | #define YUVORDER_UYVY 1 | |
47 | #define NOT_COMPRESSED 0 | |
48 | #define COMPRESSED 1 | |
49 | #define NO_DECIMATION 0 | |
50 | #define DECIMATION_ENAB 1 | |
51 | #define EOI 0xff /* End Of Image */ | |
52 | #define EOL 0xfd /* End Of Line */ | |
53 | #define FRAME_HEADER_SIZE 64 | |
54 | ||
55 | /* Image grab modes */ | |
56 | #define CPIA_GRAB_SINGLE 0 | |
57 | #define CPIA_GRAB_CONTINEOUS 1 | |
58 | ||
59 | /* Compression parameters */ | |
60 | #define CPIA_COMPRESSION_NONE 0 | |
61 | #define CPIA_COMPRESSION_AUTO 1 | |
62 | #define CPIA_COMPRESSION_MANUAL 2 | |
63 | #define CPIA_COMPRESSION_TARGET_QUALITY 0 | |
64 | #define CPIA_COMPRESSION_TARGET_FRAMERATE 1 | |
65 | ||
66 | /* Return offsets for GetCameraState */ | |
67 | #define SYSTEMSTATE 0 | |
68 | #define GRABSTATE 1 | |
69 | #define STREAMSTATE 2 | |
70 | #define FATALERROR 3 | |
71 | #define CMDERROR 4 | |
72 | #define DEBUGFLAGS 5 | |
73 | #define VPSTATUS 6 | |
74 | #define ERRORCODE 7 | |
75 | ||
76 | /* SystemState */ | |
77 | #define UNINITIALISED_STATE 0 | |
78 | #define PASS_THROUGH_STATE 1 | |
79 | #define LO_POWER_STATE 2 | |
80 | #define HI_POWER_STATE 3 | |
81 | #define WARM_BOOT_STATE 4 | |
82 | ||
83 | /* GrabState */ | |
84 | #define GRAB_IDLE 0 | |
85 | #define GRAB_ACTIVE 1 | |
86 | #define GRAB_DONE 2 | |
87 | ||
88 | /* StreamState */ | |
89 | #define STREAM_NOT_READY 0 | |
90 | #define STREAM_READY 1 | |
91 | #define STREAM_OPEN 2 | |
92 | #define STREAM_PAUSED 3 | |
93 | #define STREAM_FINISHED 4 | |
94 | ||
95 | /* Fatal Error, CmdError, and DebugFlags */ | |
96 | #define CPIA_FLAG 1 | |
97 | #define SYSTEM_FLAG 2 | |
98 | #define INT_CTRL_FLAG 4 | |
99 | #define PROCESS_FLAG 8 | |
100 | #define COM_FLAG 16 | |
101 | #define VP_CTRL_FLAG 32 | |
102 | #define CAPTURE_FLAG 64 | |
103 | #define DEBUG_FLAG 128 | |
104 | ||
105 | /* VPStatus */ | |
106 | #define VP_STATE_OK 0x00 | |
107 | ||
108 | #define VP_STATE_FAILED_VIDEOINIT 0x01 | |
109 | #define VP_STATE_FAILED_AECACBINIT 0x02 | |
110 | #define VP_STATE_AEC_MAX 0x04 | |
111 | #define VP_STATE_ACB_BMAX 0x08 | |
112 | ||
113 | #define VP_STATE_ACB_RMIN 0x10 | |
114 | #define VP_STATE_ACB_GMIN 0x20 | |
115 | #define VP_STATE_ACB_RMAX 0x40 | |
116 | #define VP_STATE_ACB_GMAX 0x80 | |
117 | ||
118 | /* default (minimum) compensation values */ | |
119 | #define COMP_RED 220 | |
120 | #define COMP_GREEN1 214 | |
121 | #define COMP_GREEN2 COMP_GREEN1 | |
122 | #define COMP_BLUE 230 | |
123 | ||
124 | /* exposure status */ | |
125 | #define EXPOSURE_VERY_LIGHT 0 | |
126 | #define EXPOSURE_LIGHT 1 | |
127 | #define EXPOSURE_NORMAL 2 | |
128 | #define EXPOSURE_DARK 3 | |
129 | #define EXPOSURE_VERY_DARK 4 | |
130 | ||
131 | #define CPIA_MODULE_CPIA (0 << 5) | |
132 | #define CPIA_MODULE_SYSTEM (1 << 5) | |
133 | #define CPIA_MODULE_VP_CTRL (5 << 5) | |
134 | #define CPIA_MODULE_CAPTURE (6 << 5) | |
135 | #define CPIA_MODULE_DEBUG (7 << 5) | |
136 | ||
137 | #define INPUT (DATA_IN << 8) | |
138 | #define OUTPUT (DATA_OUT << 8) | |
139 | ||
140 | #define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) | |
141 | #define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) | |
142 | #define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) | |
143 | #define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) | |
144 | #define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) | |
145 | #define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) | |
146 | #define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) | |
147 | #define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) | |
148 | ||
149 | #define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) | |
150 | #define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) | |
151 | #define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) | |
152 | #define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) | |
153 | #define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) | |
154 | #define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) | |
155 | #define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) | |
156 | #define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) | |
157 | #define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) | |
158 | #define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) | |
159 | #define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) | |
160 | #define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) | |
161 | #define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) | |
162 | ||
163 | #define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) | |
164 | #define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) | |
165 | #define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) | |
166 | #define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) | |
167 | #define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) | |
168 | #define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) | |
169 | #define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) | |
170 | #define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) | |
171 | #define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) | |
172 | #define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) | |
173 | #define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) | |
174 | #define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) | |
175 | #define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) | |
176 | #define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) | |
177 | #define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) | |
178 | #define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) | |
179 | #define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) | |
180 | ||
181 | #define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) | |
182 | #define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) | |
183 | #define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) | |
184 | #define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) | |
185 | #define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) | |
186 | #define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) | |
187 | #define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) | |
188 | #define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) | |
189 | #define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) | |
190 | #define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) | |
191 | #define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) | |
192 | #define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) | |
193 | #define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) | |
194 | #define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) | |
195 | #define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) | |
196 | ||
197 | #define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) | |
198 | #define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) | |
199 | #define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) | |
200 | #define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) | |
201 | #define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) | |
202 | #define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) | |
203 | #define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) | |
204 | #define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) | |
205 | ||
206 | #define ROUND_UP_EXP_FOR_FLICKER 15 | |
207 | ||
208 | /* Constants for automatic frame rate adjustment */ | |
209 | #define MAX_EXP 302 | |
210 | #define MAX_EXP_102 255 | |
211 | #define LOW_EXP 140 | |
212 | #define VERY_LOW_EXP 70 | |
213 | #define TC 94 | |
214 | #define EXP_ACC_DARK 50 | |
215 | #define EXP_ACC_LIGHT 90 | |
216 | #define HIGH_COMP_102 160 | |
217 | #define MAX_COMP 239 | |
218 | #define DARK_TIME 3 | |
219 | #define LIGHT_TIME 3 | |
220 | ||
221 | #define FIRMWARE_VERSION(x, y) (sd->params.version.firmwareVersion == (x) && \ | |
222 | sd->params.version.firmwareRevision == (y)) | |
223 | ||
1bfea3e4 HV |
224 | #define CPIA1_CID_COMP_TARGET (V4L2_CTRL_CLASS_USER + 0x1000) |
225 | #define BRIGHTNESS_DEF 50 | |
226 | #define CONTRAST_DEF 48 | |
227 | #define SATURATION_DEF 50 | |
228 | #define FREQ_DEF V4L2_CID_POWER_LINE_FREQUENCY_50HZ | |
229 | #define ILLUMINATORS_1_DEF 0 | |
230 | #define ILLUMINATORS_2_DEF 0 | |
231 | #define COMP_TARGET_DEF CPIA_COMPRESSION_TARGET_QUALITY | |
232 | ||
54e8bc5d HG |
233 | /* Developer's Guide Table 5 p 3-34 |
234 | * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ | |
235 | static u8 flicker_jumps[2][2][4] = | |
236 | { { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, | |
237 | { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } | |
238 | }; | |
239 | ||
240 | struct cam_params { | |
241 | struct { | |
242 | u8 firmwareVersion; | |
243 | u8 firmwareRevision; | |
244 | u8 vcVersion; | |
245 | u8 vcRevision; | |
246 | } version; | |
247 | struct { | |
248 | u16 vendor; | |
249 | u16 product; | |
250 | u16 deviceRevision; | |
251 | } pnpID; | |
252 | struct { | |
253 | u8 vpVersion; | |
254 | u8 vpRevision; | |
255 | u16 cameraHeadID; | |
256 | } vpVersion; | |
257 | struct { | |
258 | u8 systemState; | |
259 | u8 grabState; | |
260 | u8 streamState; | |
261 | u8 fatalError; | |
262 | u8 cmdError; | |
263 | u8 debugFlags; | |
264 | u8 vpStatus; | |
265 | u8 errorCode; | |
266 | } status; | |
267 | struct { | |
268 | u8 brightness; | |
269 | u8 contrast; | |
270 | u8 saturation; | |
271 | } colourParams; | |
272 | struct { | |
273 | u8 gainMode; | |
274 | u8 expMode; | |
275 | u8 compMode; | |
276 | u8 centreWeight; | |
277 | u8 gain; | |
278 | u8 fineExp; | |
279 | u8 coarseExpLo; | |
280 | u8 coarseExpHi; | |
281 | u8 redComp; | |
282 | u8 green1Comp; | |
283 | u8 green2Comp; | |
284 | u8 blueComp; | |
285 | } exposure; | |
286 | struct { | |
287 | u8 balanceMode; | |
288 | u8 redGain; | |
289 | u8 greenGain; | |
290 | u8 blueGain; | |
291 | } colourBalance; | |
292 | struct { | |
293 | u8 divisor; | |
294 | u8 baserate; | |
295 | } sensorFps; | |
296 | struct { | |
297 | u8 gain1; | |
298 | u8 gain2; | |
299 | u8 gain4; | |
300 | u8 gain8; | |
301 | } apcor; | |
302 | struct { | |
303 | u8 disabled; | |
304 | u8 flickerMode; | |
305 | u8 coarseJump; | |
306 | u8 allowableOverExposure; | |
307 | } flickerControl; | |
308 | struct { | |
309 | u8 gain1; | |
310 | u8 gain2; | |
311 | u8 gain4; | |
312 | u8 gain8; | |
313 | } vlOffset; | |
314 | struct { | |
315 | u8 mode; | |
316 | u8 decimation; | |
317 | } compression; | |
318 | struct { | |
319 | u8 frTargeting; | |
320 | u8 targetFR; | |
321 | u8 targetQ; | |
322 | } compressionTarget; | |
323 | struct { | |
324 | u8 yThreshold; | |
325 | u8 uvThreshold; | |
326 | } yuvThreshold; | |
327 | struct { | |
328 | u8 hysteresis; | |
329 | u8 threshMax; | |
330 | u8 smallStep; | |
331 | u8 largeStep; | |
332 | u8 decimationHysteresis; | |
333 | u8 frDiffStepThresh; | |
334 | u8 qDiffStepThresh; | |
335 | u8 decimationThreshMod; | |
336 | } compressionParams; | |
337 | struct { | |
338 | u8 videoSize; /* CIF/QCIF */ | |
339 | u8 subSample; | |
340 | u8 yuvOrder; | |
341 | } format; | |
342 | struct { /* Intel QX3 specific data */ | |
343 | u8 qx3_detected; /* a QX3 is present */ | |
344 | u8 toplight; /* top light lit , R/W */ | |
345 | u8 bottomlight; /* bottom light lit, R/W */ | |
346 | u8 button; /* snapshot button pressed (R/O) */ | |
347 | u8 cradled; /* microscope is in cradle (R/O) */ | |
348 | } qx3; | |
349 | struct { | |
350 | u8 colStart; /* skip first 8*colStart pixels */ | |
351 | u8 colEnd; /* finish at 8*colEnd pixels */ | |
352 | u8 rowStart; /* skip first 4*rowStart lines */ | |
353 | u8 rowEnd; /* finish at 4*rowEnd lines */ | |
354 | } roi; | |
355 | u8 ecpTiming; | |
356 | u8 streamStartLine; | |
357 | }; | |
358 | ||
359 | /* specific webcam descriptor */ | |
360 | struct sd { | |
361 | struct gspca_dev gspca_dev; /* !! must be the first item */ | |
362 | struct cam_params params; /* camera settings */ | |
363 | ||
364 | atomic_t cam_exposure; | |
365 | atomic_t fps; | |
366 | int exposure_count; | |
367 | u8 exposure_status; | |
1bfea3e4 | 368 | struct v4l2_ctrl *freq; |
54e8bc5d HG |
369 | u8 mainsFreq; /* 0 = 50hz, 1 = 60hz */ |
370 | u8 first_frame; | |
54e8bc5d HG |
371 | }; |
372 | ||
373 | static const struct v4l2_pix_format mode[] = { | |
374 | {160, 120, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
375 | /* The sizeimage is trial and error, as with low framerates | |
376 | the camera will pad out usb frames, making the image | |
377 | data larger then strictly necessary */ | |
378 | .bytesperline = 160, | |
379 | .sizeimage = 65536, | |
380 | .colorspace = V4L2_COLORSPACE_SRGB, | |
381 | .priv = 3}, | |
382 | {176, 144, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
383 | .bytesperline = 172, | |
384 | .sizeimage = 65536, | |
385 | .colorspace = V4L2_COLORSPACE_SRGB, | |
386 | .priv = 2}, | |
387 | {320, 240, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
388 | .bytesperline = 320, | |
389 | .sizeimage = 262144, | |
390 | .colorspace = V4L2_COLORSPACE_SRGB, | |
391 | .priv = 1}, | |
392 | {352, 288, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, | |
393 | .bytesperline = 352, | |
394 | .sizeimage = 262144, | |
395 | .colorspace = V4L2_COLORSPACE_SRGB, | |
396 | .priv = 0}, | |
397 | }; | |
398 | ||
399 | /********************************************************************** | |
400 | * | |
401 | * General functions | |
402 | * | |
403 | **********************************************************************/ | |
404 | ||
405 | static int cpia_usb_transferCmd(struct gspca_dev *gspca_dev, u8 *command) | |
406 | { | |
407 | u8 requesttype; | |
408 | unsigned int pipe; | |
409 | int ret, databytes = command[6] | (command[7] << 8); | |
410 | /* Sometimes we see spurious EPIPE errors */ | |
411 | int retries = 3; | |
412 | ||
413 | if (command[0] == DATA_IN) { | |
414 | pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); | |
415 | requesttype = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE; | |
416 | } else if (command[0] == DATA_OUT) { | |
417 | pipe = usb_sndctrlpipe(gspca_dev->dev, 0); | |
418 | requesttype = USB_TYPE_VENDOR | USB_RECIP_DEVICE; | |
419 | } else { | |
c93396e1 | 420 | PERR("Unexpected first byte of command: %x", command[0]); |
54e8bc5d HG |
421 | return -EINVAL; |
422 | } | |
423 | ||
424 | retry: | |
425 | ret = usb_control_msg(gspca_dev->dev, pipe, | |
426 | command[1], | |
427 | requesttype, | |
428 | command[2] | (command[3] << 8), | |
429 | command[4] | (command[5] << 8), | |
430 | gspca_dev->usb_buf, databytes, 1000); | |
431 | ||
432 | if (ret < 0) | |
133a9fe9 | 433 | pr_err("usb_control_msg %02x, error %d\n", command[1], ret); |
54e8bc5d HG |
434 | |
435 | if (ret == -EPIPE && retries > 0) { | |
436 | retries--; | |
437 | goto retry; | |
438 | } | |
439 | ||
440 | return (ret < 0) ? ret : 0; | |
441 | } | |
442 | ||
443 | /* send an arbitrary command to the camera */ | |
444 | static int do_command(struct gspca_dev *gspca_dev, u16 command, | |
445 | u8 a, u8 b, u8 c, u8 d) | |
446 | { | |
447 | struct sd *sd = (struct sd *) gspca_dev; | |
448 | int ret, datasize; | |
449 | u8 cmd[8]; | |
450 | ||
451 | switch (command) { | |
452 | case CPIA_COMMAND_GetCPIAVersion: | |
453 | case CPIA_COMMAND_GetPnPID: | |
454 | case CPIA_COMMAND_GetCameraStatus: | |
455 | case CPIA_COMMAND_GetVPVersion: | |
456 | case CPIA_COMMAND_GetColourParams: | |
457 | case CPIA_COMMAND_GetColourBalance: | |
458 | case CPIA_COMMAND_GetExposure: | |
459 | datasize = 8; | |
460 | break; | |
461 | case CPIA_COMMAND_ReadMCPorts: | |
462 | case CPIA_COMMAND_ReadVCRegs: | |
463 | datasize = 4; | |
464 | break; | |
465 | default: | |
466 | datasize = 0; | |
467 | break; | |
468 | } | |
469 | ||
470 | cmd[0] = command >> 8; | |
471 | cmd[1] = command & 0xff; | |
472 | cmd[2] = a; | |
473 | cmd[3] = b; | |
474 | cmd[4] = c; | |
475 | cmd[5] = d; | |
476 | cmd[6] = datasize; | |
477 | cmd[7] = 0; | |
478 | ||
479 | ret = cpia_usb_transferCmd(gspca_dev, cmd); | |
480 | if (ret) | |
481 | return ret; | |
482 | ||
483 | switch (command) { | |
484 | case CPIA_COMMAND_GetCPIAVersion: | |
485 | sd->params.version.firmwareVersion = gspca_dev->usb_buf[0]; | |
486 | sd->params.version.firmwareRevision = gspca_dev->usb_buf[1]; | |
487 | sd->params.version.vcVersion = gspca_dev->usb_buf[2]; | |
488 | sd->params.version.vcRevision = gspca_dev->usb_buf[3]; | |
489 | break; | |
490 | case CPIA_COMMAND_GetPnPID: | |
491 | sd->params.pnpID.vendor = | |
492 | gspca_dev->usb_buf[0] | (gspca_dev->usb_buf[1] << 8); | |
493 | sd->params.pnpID.product = | |
494 | gspca_dev->usb_buf[2] | (gspca_dev->usb_buf[3] << 8); | |
495 | sd->params.pnpID.deviceRevision = | |
496 | gspca_dev->usb_buf[4] | (gspca_dev->usb_buf[5] << 8); | |
497 | break; | |
498 | case CPIA_COMMAND_GetCameraStatus: | |
499 | sd->params.status.systemState = gspca_dev->usb_buf[0]; | |
500 | sd->params.status.grabState = gspca_dev->usb_buf[1]; | |
501 | sd->params.status.streamState = gspca_dev->usb_buf[2]; | |
502 | sd->params.status.fatalError = gspca_dev->usb_buf[3]; | |
503 | sd->params.status.cmdError = gspca_dev->usb_buf[4]; | |
504 | sd->params.status.debugFlags = gspca_dev->usb_buf[5]; | |
505 | sd->params.status.vpStatus = gspca_dev->usb_buf[6]; | |
506 | sd->params.status.errorCode = gspca_dev->usb_buf[7]; | |
507 | break; | |
508 | case CPIA_COMMAND_GetVPVersion: | |
509 | sd->params.vpVersion.vpVersion = gspca_dev->usb_buf[0]; | |
510 | sd->params.vpVersion.vpRevision = gspca_dev->usb_buf[1]; | |
511 | sd->params.vpVersion.cameraHeadID = | |
512 | gspca_dev->usb_buf[2] | (gspca_dev->usb_buf[3] << 8); | |
513 | break; | |
514 | case CPIA_COMMAND_GetColourParams: | |
515 | sd->params.colourParams.brightness = gspca_dev->usb_buf[0]; | |
516 | sd->params.colourParams.contrast = gspca_dev->usb_buf[1]; | |
517 | sd->params.colourParams.saturation = gspca_dev->usb_buf[2]; | |
518 | break; | |
519 | case CPIA_COMMAND_GetColourBalance: | |
520 | sd->params.colourBalance.redGain = gspca_dev->usb_buf[0]; | |
521 | sd->params.colourBalance.greenGain = gspca_dev->usb_buf[1]; | |
522 | sd->params.colourBalance.blueGain = gspca_dev->usb_buf[2]; | |
523 | break; | |
524 | case CPIA_COMMAND_GetExposure: | |
525 | sd->params.exposure.gain = gspca_dev->usb_buf[0]; | |
526 | sd->params.exposure.fineExp = gspca_dev->usb_buf[1]; | |
527 | sd->params.exposure.coarseExpLo = gspca_dev->usb_buf[2]; | |
528 | sd->params.exposure.coarseExpHi = gspca_dev->usb_buf[3]; | |
529 | sd->params.exposure.redComp = gspca_dev->usb_buf[4]; | |
530 | sd->params.exposure.green1Comp = gspca_dev->usb_buf[5]; | |
531 | sd->params.exposure.green2Comp = gspca_dev->usb_buf[6]; | |
532 | sd->params.exposure.blueComp = gspca_dev->usb_buf[7]; | |
533 | break; | |
534 | ||
535 | case CPIA_COMMAND_ReadMCPorts: | |
54e8bc5d | 536 | /* test button press */ |
c2f644ae HG |
537 | a = ((gspca_dev->usb_buf[1] & 0x02) == 0); |
538 | if (a != sd->params.qx3.button) { | |
a3f6ce63 | 539 | #if IS_ENABLED(CONFIG_INPUT) |
c2f644ae HG |
540 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, a); |
541 | input_sync(gspca_dev->input_dev); | |
542 | #endif | |
543 | sd->params.qx3.button = a; | |
544 | } | |
54e8bc5d HG |
545 | if (sd->params.qx3.button) { |
546 | /* button pressed - unlock the latch */ | |
547 | do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, | |
1d00d6c1 | 548 | 3, 0xdf, 0xdf, 0); |
54e8bc5d | 549 | do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, |
1d00d6c1 | 550 | 3, 0xff, 0xff, 0); |
54e8bc5d HG |
551 | } |
552 | ||
553 | /* test whether microscope is cradled */ | |
554 | sd->params.qx3.cradled = ((gspca_dev->usb_buf[2] & 0x40) == 0); | |
555 | break; | |
556 | } | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | /* send a command to the camera with an additional data transaction */ | |
562 | static int do_command_extended(struct gspca_dev *gspca_dev, u16 command, | |
563 | u8 a, u8 b, u8 c, u8 d, | |
564 | u8 e, u8 f, u8 g, u8 h, | |
565 | u8 i, u8 j, u8 k, u8 l) | |
566 | { | |
567 | u8 cmd[8]; | |
568 | ||
569 | cmd[0] = command >> 8; | |
570 | cmd[1] = command & 0xff; | |
571 | cmd[2] = a; | |
572 | cmd[3] = b; | |
573 | cmd[4] = c; | |
574 | cmd[5] = d; | |
575 | cmd[6] = 8; | |
576 | cmd[7] = 0; | |
577 | gspca_dev->usb_buf[0] = e; | |
578 | gspca_dev->usb_buf[1] = f; | |
579 | gspca_dev->usb_buf[2] = g; | |
580 | gspca_dev->usb_buf[3] = h; | |
581 | gspca_dev->usb_buf[4] = i; | |
582 | gspca_dev->usb_buf[5] = j; | |
583 | gspca_dev->usb_buf[6] = k; | |
584 | gspca_dev->usb_buf[7] = l; | |
585 | ||
586 | return cpia_usb_transferCmd(gspca_dev, cmd); | |
587 | } | |
588 | ||
589 | /* find_over_exposure | |
590 | * Finds a suitable value of OverExposure for use with SetFlickerCtrl | |
591 | * Some calculation is required because this value changes with the brightness | |
592 | * set with SetColourParameters | |
593 | * | |
594 | * Parameters: Brightness - last brightness value set with SetColourParameters | |
595 | * | |
596 | * Returns: OverExposure value to use with SetFlickerCtrl | |
597 | */ | |
598 | #define FLICKER_MAX_EXPOSURE 250 | |
599 | #define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 | |
600 | #define FLICKER_BRIGHTNESS_CONSTANT 59 | |
601 | static int find_over_exposure(int brightness) | |
602 | { | |
603 | int MaxAllowableOverExposure, OverExposure; | |
604 | ||
605 | MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - | |
606 | FLICKER_BRIGHTNESS_CONSTANT; | |
607 | ||
608 | if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) | |
609 | OverExposure = MaxAllowableOverExposure; | |
610 | else | |
611 | OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; | |
612 | ||
613 | return OverExposure; | |
614 | } | |
615 | #undef FLICKER_MAX_EXPOSURE | |
616 | #undef FLICKER_ALLOWABLE_OVER_EXPOSURE | |
617 | #undef FLICKER_BRIGHTNESS_CONSTANT | |
618 | ||
619 | /* initialise cam_data structure */ | |
620 | static void reset_camera_params(struct gspca_dev *gspca_dev) | |
621 | { | |
622 | struct sd *sd = (struct sd *) gspca_dev; | |
623 | struct cam_params *params = &sd->params; | |
624 | ||
625 | /* The following parameter values are the defaults from | |
626 | * "Software Developer's Guide for CPiA Cameras". Any changes | |
627 | * to the defaults are noted in comments. */ | |
628 | params->colourParams.brightness = BRIGHTNESS_DEF; | |
629 | params->colourParams.contrast = CONTRAST_DEF; | |
630 | params->colourParams.saturation = SATURATION_DEF; | |
631 | params->exposure.gainMode = 4; | |
632 | params->exposure.expMode = 2; /* AEC */ | |
633 | params->exposure.compMode = 1; | |
634 | params->exposure.centreWeight = 1; | |
635 | params->exposure.gain = 0; | |
636 | params->exposure.fineExp = 0; | |
637 | params->exposure.coarseExpLo = 185; | |
638 | params->exposure.coarseExpHi = 0; | |
639 | params->exposure.redComp = COMP_RED; | |
640 | params->exposure.green1Comp = COMP_GREEN1; | |
641 | params->exposure.green2Comp = COMP_GREEN2; | |
642 | params->exposure.blueComp = COMP_BLUE; | |
643 | params->colourBalance.balanceMode = 2; /* ACB */ | |
644 | params->colourBalance.redGain = 32; | |
645 | params->colourBalance.greenGain = 6; | |
646 | params->colourBalance.blueGain = 92; | |
647 | params->apcor.gain1 = 0x18; | |
648 | params->apcor.gain2 = 0x16; | |
649 | params->apcor.gain4 = 0x24; | |
650 | params->apcor.gain8 = 0x34; | |
54e8bc5d HG |
651 | params->vlOffset.gain1 = 20; |
652 | params->vlOffset.gain2 = 24; | |
653 | params->vlOffset.gain4 = 26; | |
654 | params->vlOffset.gain8 = 26; | |
655 | params->compressionParams.hysteresis = 3; | |
656 | params->compressionParams.threshMax = 11; | |
657 | params->compressionParams.smallStep = 1; | |
658 | params->compressionParams.largeStep = 3; | |
659 | params->compressionParams.decimationHysteresis = 2; | |
660 | params->compressionParams.frDiffStepThresh = 5; | |
661 | params->compressionParams.qDiffStepThresh = 3; | |
662 | params->compressionParams.decimationThreshMod = 2; | |
663 | /* End of default values from Software Developer's Guide */ | |
664 | ||
665 | /* Set Sensor FPS to 15fps. This seems better than 30fps | |
666 | * for indoor lighting. */ | |
667 | params->sensorFps.divisor = 1; | |
668 | params->sensorFps.baserate = 1; | |
669 | ||
1bfea3e4 HV |
670 | params->flickerControl.flickerMode = 0; |
671 | params->flickerControl.disabled = 1; | |
672 | params->flickerControl.coarseJump = | |
673 | flicker_jumps[sd->mainsFreq] | |
674 | [params->sensorFps.baserate] | |
675 | [params->sensorFps.divisor]; | |
676 | params->flickerControl.allowableOverExposure = | |
677 | find_over_exposure(params->colourParams.brightness); | |
678 | ||
54e8bc5d HG |
679 | params->yuvThreshold.yThreshold = 6; /* From windows driver */ |
680 | params->yuvThreshold.uvThreshold = 6; /* From windows driver */ | |
681 | ||
682 | params->format.subSample = SUBSAMPLE_420; | |
683 | params->format.yuvOrder = YUVORDER_YUYV; | |
684 | ||
685 | params->compression.mode = CPIA_COMPRESSION_AUTO; | |
686 | params->compression.decimation = NO_DECIMATION; | |
687 | ||
688 | params->compressionTarget.frTargeting = COMP_TARGET_DEF; | |
689 | params->compressionTarget.targetFR = 15; /* From windows driver */ | |
690 | params->compressionTarget.targetQ = 5; /* From windows driver */ | |
691 | ||
692 | params->qx3.qx3_detected = 0; | |
693 | params->qx3.toplight = 0; | |
694 | params->qx3.bottomlight = 0; | |
695 | params->qx3.button = 0; | |
696 | params->qx3.cradled = 0; | |
697 | } | |
698 | ||
c93396e1 | 699 | static void printstatus(struct gspca_dev *gspca_dev, struct cam_params *params) |
54e8bc5d HG |
700 | { |
701 | PDEBUG(D_PROBE, "status: %02x %02x %02x %02x %02x %02x %02x %02x", | |
702 | params->status.systemState, params->status.grabState, | |
703 | params->status.streamState, params->status.fatalError, | |
704 | params->status.cmdError, params->status.debugFlags, | |
705 | params->status.vpStatus, params->status.errorCode); | |
706 | } | |
707 | ||
708 | static int goto_low_power(struct gspca_dev *gspca_dev) | |
709 | { | |
710 | struct sd *sd = (struct sd *) gspca_dev; | |
711 | int ret; | |
712 | ||
713 | ret = do_command(gspca_dev, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0); | |
714 | if (ret) | |
715 | return ret; | |
716 | ||
9be1d6cd | 717 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
54e8bc5d HG |
718 | if (ret) |
719 | return ret; | |
720 | ||
721 | if (sd->params.status.systemState != LO_POWER_STATE) { | |
722 | if (sd->params.status.systemState != WARM_BOOT_STATE) { | |
c93396e1 TK |
723 | PERR("unexpected state after lo power cmd: %02x", |
724 | sd->params.status.systemState); | |
725 | printstatus(gspca_dev, &sd->params); | |
54e8bc5d HG |
726 | } |
727 | return -EIO; | |
728 | } | |
729 | ||
730 | PDEBUG(D_CONF, "camera now in LOW power state"); | |
731 | return 0; | |
732 | } | |
733 | ||
734 | static int goto_high_power(struct gspca_dev *gspca_dev) | |
735 | { | |
736 | struct sd *sd = (struct sd *) gspca_dev; | |
737 | int ret; | |
738 | ||
739 | ret = do_command(gspca_dev, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0); | |
740 | if (ret) | |
741 | return ret; | |
742 | ||
743 | msleep_interruptible(40); /* windows driver does it too */ | |
744 | ||
745 | if (signal_pending(current)) | |
746 | return -EINTR; | |
747 | ||
8c96f0a2 | 748 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
54e8bc5d HG |
749 | if (ret) |
750 | return ret; | |
751 | ||
752 | if (sd->params.status.systemState != HI_POWER_STATE) { | |
c93396e1 TK |
753 | PERR("unexpected state after hi power cmd: %02x", |
754 | sd->params.status.systemState); | |
755 | printstatus(gspca_dev, &sd->params); | |
54e8bc5d HG |
756 | return -EIO; |
757 | } | |
758 | ||
759 | PDEBUG(D_CONF, "camera now in HIGH power state"); | |
760 | return 0; | |
761 | } | |
762 | ||
763 | static int get_version_information(struct gspca_dev *gspca_dev) | |
764 | { | |
765 | int ret; | |
766 | ||
767 | /* GetCPIAVersion */ | |
768 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); | |
769 | if (ret) | |
770 | return ret; | |
771 | ||
772 | /* GetPnPID */ | |
773 | return do_command(gspca_dev, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); | |
774 | } | |
775 | ||
776 | static int save_camera_state(struct gspca_dev *gspca_dev) | |
777 | { | |
778 | int ret; | |
779 | ||
780 | ret = do_command(gspca_dev, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); | |
781 | if (ret) | |
782 | return ret; | |
783 | ||
784 | return do_command(gspca_dev, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); | |
785 | } | |
786 | ||
e7c3ee63 | 787 | static int command_setformat(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
788 | { |
789 | struct sd *sd = (struct sd *) gspca_dev; | |
790 | int ret; | |
791 | ||
792 | ret = do_command(gspca_dev, CPIA_COMMAND_SetFormat, | |
793 | sd->params.format.videoSize, | |
794 | sd->params.format.subSample, | |
795 | sd->params.format.yuvOrder, 0); | |
796 | if (ret) | |
797 | return ret; | |
798 | ||
799 | return do_command(gspca_dev, CPIA_COMMAND_SetROI, | |
800 | sd->params.roi.colStart, sd->params.roi.colEnd, | |
801 | sd->params.roi.rowStart, sd->params.roi.rowEnd); | |
802 | } | |
803 | ||
e7c3ee63 | 804 | static int command_setcolourparams(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
805 | { |
806 | struct sd *sd = (struct sd *) gspca_dev; | |
807 | return do_command(gspca_dev, CPIA_COMMAND_SetColourParams, | |
808 | sd->params.colourParams.brightness, | |
809 | sd->params.colourParams.contrast, | |
810 | sd->params.colourParams.saturation, 0); | |
811 | } | |
812 | ||
e7c3ee63 | 813 | static int command_setapcor(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
814 | { |
815 | struct sd *sd = (struct sd *) gspca_dev; | |
816 | return do_command(gspca_dev, CPIA_COMMAND_SetApcor, | |
817 | sd->params.apcor.gain1, | |
818 | sd->params.apcor.gain2, | |
819 | sd->params.apcor.gain4, | |
820 | sd->params.apcor.gain8); | |
821 | } | |
822 | ||
e7c3ee63 | 823 | static int command_setvloffset(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
824 | { |
825 | struct sd *sd = (struct sd *) gspca_dev; | |
826 | return do_command(gspca_dev, CPIA_COMMAND_SetVLOffset, | |
827 | sd->params.vlOffset.gain1, | |
828 | sd->params.vlOffset.gain2, | |
829 | sd->params.vlOffset.gain4, | |
830 | sd->params.vlOffset.gain8); | |
831 | } | |
832 | ||
e7c3ee63 | 833 | static int command_setexposure(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
834 | { |
835 | struct sd *sd = (struct sd *) gspca_dev; | |
836 | int ret; | |
837 | ||
838 | ret = do_command_extended(gspca_dev, CPIA_COMMAND_SetExposure, | |
839 | sd->params.exposure.gainMode, | |
840 | 1, | |
841 | sd->params.exposure.compMode, | |
842 | sd->params.exposure.centreWeight, | |
843 | sd->params.exposure.gain, | |
844 | sd->params.exposure.fineExp, | |
845 | sd->params.exposure.coarseExpLo, | |
846 | sd->params.exposure.coarseExpHi, | |
847 | sd->params.exposure.redComp, | |
848 | sd->params.exposure.green1Comp, | |
849 | sd->params.exposure.green2Comp, | |
850 | sd->params.exposure.blueComp); | |
851 | if (ret) | |
852 | return ret; | |
853 | ||
854 | if (sd->params.exposure.expMode != 1) { | |
855 | ret = do_command_extended(gspca_dev, CPIA_COMMAND_SetExposure, | |
856 | 0, | |
857 | sd->params.exposure.expMode, | |
858 | 0, 0, | |
859 | sd->params.exposure.gain, | |
860 | sd->params.exposure.fineExp, | |
861 | sd->params.exposure.coarseExpLo, | |
862 | sd->params.exposure.coarseExpHi, | |
863 | 0, 0, 0, 0); | |
864 | } | |
865 | ||
866 | return ret; | |
867 | } | |
868 | ||
e7c3ee63 | 869 | static int command_setcolourbalance(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
870 | { |
871 | struct sd *sd = (struct sd *) gspca_dev; | |
872 | ||
873 | if (sd->params.colourBalance.balanceMode == 1) { | |
874 | int ret; | |
875 | ||
876 | ret = do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
877 | 1, | |
878 | sd->params.colourBalance.redGain, | |
879 | sd->params.colourBalance.greenGain, | |
880 | sd->params.colourBalance.blueGain); | |
881 | if (ret) | |
882 | return ret; | |
883 | ||
884 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
885 | 3, 0, 0, 0); | |
886 | } | |
887 | if (sd->params.colourBalance.balanceMode == 2) { | |
888 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
889 | 2, 0, 0, 0); | |
890 | } | |
891 | if (sd->params.colourBalance.balanceMode == 3) { | |
892 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, | |
893 | 3, 0, 0, 0); | |
894 | } | |
895 | ||
896 | return -EINVAL; | |
897 | } | |
898 | ||
e7c3ee63 | 899 | static int command_setcompressiontarget(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
900 | { |
901 | struct sd *sd = (struct sd *) gspca_dev; | |
902 | ||
903 | return do_command(gspca_dev, CPIA_COMMAND_SetCompressionTarget, | |
904 | sd->params.compressionTarget.frTargeting, | |
905 | sd->params.compressionTarget.targetFR, | |
906 | sd->params.compressionTarget.targetQ, 0); | |
907 | } | |
908 | ||
e7c3ee63 | 909 | static int command_setyuvtresh(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
910 | { |
911 | struct sd *sd = (struct sd *) gspca_dev; | |
912 | ||
913 | return do_command(gspca_dev, CPIA_COMMAND_SetYUVThresh, | |
914 | sd->params.yuvThreshold.yThreshold, | |
915 | sd->params.yuvThreshold.uvThreshold, 0, 0); | |
916 | } | |
917 | ||
e7c3ee63 | 918 | static int command_setcompressionparams(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
919 | { |
920 | struct sd *sd = (struct sd *) gspca_dev; | |
921 | ||
922 | return do_command_extended(gspca_dev, | |
923 | CPIA_COMMAND_SetCompressionParams, | |
924 | 0, 0, 0, 0, | |
925 | sd->params.compressionParams.hysteresis, | |
926 | sd->params.compressionParams.threshMax, | |
927 | sd->params.compressionParams.smallStep, | |
928 | sd->params.compressionParams.largeStep, | |
929 | sd->params.compressionParams.decimationHysteresis, | |
930 | sd->params.compressionParams.frDiffStepThresh, | |
931 | sd->params.compressionParams.qDiffStepThresh, | |
932 | sd->params.compressionParams.decimationThreshMod); | |
933 | } | |
934 | ||
e7c3ee63 | 935 | static int command_setcompression(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
936 | { |
937 | struct sd *sd = (struct sd *) gspca_dev; | |
938 | ||
939 | return do_command(gspca_dev, CPIA_COMMAND_SetCompression, | |
940 | sd->params.compression.mode, | |
941 | sd->params.compression.decimation, 0, 0); | |
942 | } | |
943 | ||
e7c3ee63 | 944 | static int command_setsensorfps(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
945 | { |
946 | struct sd *sd = (struct sd *) gspca_dev; | |
947 | ||
948 | return do_command(gspca_dev, CPIA_COMMAND_SetSensorFPS, | |
949 | sd->params.sensorFps.divisor, | |
950 | sd->params.sensorFps.baserate, 0, 0); | |
951 | } | |
952 | ||
e7c3ee63 | 953 | static int command_setflickerctrl(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
954 | { |
955 | struct sd *sd = (struct sd *) gspca_dev; | |
956 | ||
957 | return do_command(gspca_dev, CPIA_COMMAND_SetFlickerCtrl, | |
958 | sd->params.flickerControl.flickerMode, | |
959 | sd->params.flickerControl.coarseJump, | |
960 | sd->params.flickerControl.allowableOverExposure, | |
961 | 0); | |
962 | } | |
963 | ||
e7c3ee63 | 964 | static int command_setecptiming(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
965 | { |
966 | struct sd *sd = (struct sd *) gspca_dev; | |
967 | ||
968 | return do_command(gspca_dev, CPIA_COMMAND_SetECPTiming, | |
969 | sd->params.ecpTiming, 0, 0, 0); | |
970 | } | |
971 | ||
e7c3ee63 | 972 | static int command_pause(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
973 | { |
974 | return do_command(gspca_dev, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); | |
975 | } | |
976 | ||
e7c3ee63 | 977 | static int command_resume(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
978 | { |
979 | struct sd *sd = (struct sd *) gspca_dev; | |
980 | ||
981 | return do_command(gspca_dev, CPIA_COMMAND_InitStreamCap, | |
982 | 0, sd->params.streamStartLine, 0, 0); | |
983 | } | |
984 | ||
e7c3ee63 | 985 | static int command_setlights(struct gspca_dev *gspca_dev) |
54e8bc5d HG |
986 | { |
987 | struct sd *sd = (struct sd *) gspca_dev; | |
988 | int ret, p1, p2; | |
989 | ||
54e8bc5d HG |
990 | p1 = (sd->params.qx3.bottomlight == 0) << 1; |
991 | p2 = (sd->params.qx3.toplight == 0) << 3; | |
992 | ||
993 | ret = do_command(gspca_dev, CPIA_COMMAND_WriteVCReg, | |
1d00d6c1 | 994 | 0x90, 0x8f, 0x50, 0); |
54e8bc5d HG |
995 | if (ret) |
996 | return ret; | |
997 | ||
998 | return do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, 2, 0, | |
1d00d6c1 | 999 | p1 | p2 | 0xe0, 0); |
54e8bc5d HG |
1000 | } |
1001 | ||
1002 | static int set_flicker(struct gspca_dev *gspca_dev, int on, int apply) | |
1003 | { | |
1004 | /* Everything in here is from the Windows driver */ | |
1005 | /* define for compgain calculation */ | |
1006 | #if 0 | |
1007 | #define COMPGAIN(base, curexp, newexp) \ | |
1008 | (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) | |
1009 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ | |
1010 | (u16)((float)curexp * (float)(u8)(curcomp + 128) / \ | |
1011 | (float)(u8)(basecomp - 128)) | |
1012 | #else | |
1013 | /* equivalent functions without floating point math */ | |
1014 | #define COMPGAIN(base, curexp, newexp) \ | |
1015 | (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2 * newexp))) | |
1016 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ | |
1017 | (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) | |
1018 | #endif | |
1019 | ||
1020 | struct sd *sd = (struct sd *) gspca_dev; | |
1021 | int currentexp = sd->params.exposure.coarseExpLo + | |
1022 | sd->params.exposure.coarseExpHi * 256; | |
1023 | int ret, startexp; | |
1024 | ||
1025 | if (on) { | |
1026 | int cj = sd->params.flickerControl.coarseJump; | |
1027 | sd->params.flickerControl.flickerMode = 1; | |
1028 | sd->params.flickerControl.disabled = 0; | |
1029 | if (sd->params.exposure.expMode != 2) { | |
1030 | sd->params.exposure.expMode = 2; | |
1031 | sd->exposure_status = EXPOSURE_NORMAL; | |
1032 | } | |
1033 | currentexp = currentexp << sd->params.exposure.gain; | |
1034 | sd->params.exposure.gain = 0; | |
1035 | /* round down current exposure to nearest value */ | |
1036 | startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; | |
1037 | if (startexp < 1) | |
1038 | startexp = 1; | |
1039 | startexp = (startexp * cj) - 1; | |
1040 | if (FIRMWARE_VERSION(1, 2)) | |
1041 | while (startexp > MAX_EXP_102) | |
1042 | startexp -= cj; | |
1043 | else | |
1044 | while (startexp > MAX_EXP) | |
1045 | startexp -= cj; | |
1046 | sd->params.exposure.coarseExpLo = startexp & 0xff; | |
1047 | sd->params.exposure.coarseExpHi = startexp >> 8; | |
1048 | if (currentexp > startexp) { | |
1049 | if (currentexp > (2 * startexp)) | |
1050 | currentexp = 2 * startexp; | |
1051 | sd->params.exposure.redComp = | |
1052 | COMPGAIN(COMP_RED, currentexp, startexp); | |
1053 | sd->params.exposure.green1Comp = | |
1054 | COMPGAIN(COMP_GREEN1, currentexp, startexp); | |
1055 | sd->params.exposure.green2Comp = | |
1056 | COMPGAIN(COMP_GREEN2, currentexp, startexp); | |
1057 | sd->params.exposure.blueComp = | |
1058 | COMPGAIN(COMP_BLUE, currentexp, startexp); | |
1059 | } else { | |
1060 | sd->params.exposure.redComp = COMP_RED; | |
1061 | sd->params.exposure.green1Comp = COMP_GREEN1; | |
1062 | sd->params.exposure.green2Comp = COMP_GREEN2; | |
1063 | sd->params.exposure.blueComp = COMP_BLUE; | |
1064 | } | |
1065 | if (FIRMWARE_VERSION(1, 2)) | |
1066 | sd->params.exposure.compMode = 0; | |
1067 | else | |
1068 | sd->params.exposure.compMode = 1; | |
1069 | ||
1070 | sd->params.apcor.gain1 = 0x18; | |
1071 | sd->params.apcor.gain2 = 0x18; | |
1072 | sd->params.apcor.gain4 = 0x16; | |
1073 | sd->params.apcor.gain8 = 0x14; | |
1074 | } else { | |
1075 | sd->params.flickerControl.flickerMode = 0; | |
1076 | sd->params.flickerControl.disabled = 1; | |
1077 | /* Average equivalent coarse for each comp channel */ | |
1078 | startexp = EXP_FROM_COMP(COMP_RED, | |
1079 | sd->params.exposure.redComp, currentexp); | |
1080 | startexp += EXP_FROM_COMP(COMP_GREEN1, | |
1081 | sd->params.exposure.green1Comp, currentexp); | |
1082 | startexp += EXP_FROM_COMP(COMP_GREEN2, | |
1083 | sd->params.exposure.green2Comp, currentexp); | |
1084 | startexp += EXP_FROM_COMP(COMP_BLUE, | |
1085 | sd->params.exposure.blueComp, currentexp); | |
1086 | startexp = startexp >> 2; | |
1087 | while (startexp > MAX_EXP && sd->params.exposure.gain < | |
1088 | sd->params.exposure.gainMode - 1) { | |
1089 | startexp = startexp >> 1; | |
1090 | ++sd->params.exposure.gain; | |
1091 | } | |
1092 | if (FIRMWARE_VERSION(1, 2) && startexp > MAX_EXP_102) | |
1093 | startexp = MAX_EXP_102; | |
1094 | if (startexp > MAX_EXP) | |
1095 | startexp = MAX_EXP; | |
1096 | sd->params.exposure.coarseExpLo = startexp & 0xff; | |
1097 | sd->params.exposure.coarseExpHi = startexp >> 8; | |
1098 | sd->params.exposure.redComp = COMP_RED; | |
1099 | sd->params.exposure.green1Comp = COMP_GREEN1; | |
1100 | sd->params.exposure.green2Comp = COMP_GREEN2; | |
1101 | sd->params.exposure.blueComp = COMP_BLUE; | |
1102 | sd->params.exposure.compMode = 1; | |
1103 | sd->params.apcor.gain1 = 0x18; | |
1104 | sd->params.apcor.gain2 = 0x16; | |
1105 | sd->params.apcor.gain4 = 0x24; | |
1106 | sd->params.apcor.gain8 = 0x34; | |
1107 | } | |
1108 | sd->params.vlOffset.gain1 = 20; | |
1109 | sd->params.vlOffset.gain2 = 24; | |
1110 | sd->params.vlOffset.gain4 = 26; | |
1111 | sd->params.vlOffset.gain8 = 26; | |
1112 | ||
1113 | if (apply) { | |
1114 | ret = command_setexposure(gspca_dev); | |
1115 | if (ret) | |
1116 | return ret; | |
1117 | ||
1118 | ret = command_setapcor(gspca_dev); | |
1119 | if (ret) | |
1120 | return ret; | |
1121 | ||
1122 | ret = command_setvloffset(gspca_dev); | |
1123 | if (ret) | |
1124 | return ret; | |
1125 | ||
1126 | ret = command_setflickerctrl(gspca_dev); | |
1127 | if (ret) | |
1128 | return ret; | |
1129 | } | |
1130 | ||
1131 | return 0; | |
1132 | #undef EXP_FROM_COMP | |
1133 | #undef COMPGAIN | |
1134 | } | |
1135 | ||
1136 | /* monitor the exposure and adjust the sensor frame rate if needed */ | |
1137 | static void monitor_exposure(struct gspca_dev *gspca_dev) | |
1138 | { | |
1139 | struct sd *sd = (struct sd *) gspca_dev; | |
cc90b15e | 1140 | u8 exp_acc, bcomp, cmd[8]; |
54e8bc5d HG |
1141 | int ret, light_exp, dark_exp, very_dark_exp; |
1142 | int old_exposure, new_exposure, framerate; | |
1143 | int setfps = 0, setexp = 0, setflicker = 0; | |
1144 | ||
1145 | /* get necessary stats and register settings from camera */ | |
1146 | /* do_command can't handle this, so do it ourselves */ | |
1147 | cmd[0] = CPIA_COMMAND_ReadVPRegs >> 8; | |
1148 | cmd[1] = CPIA_COMMAND_ReadVPRegs & 0xff; | |
1149 | cmd[2] = 30; | |
1150 | cmd[3] = 4; | |
1151 | cmd[4] = 9; | |
1152 | cmd[5] = 8; | |
1153 | cmd[6] = 8; | |
1154 | cmd[7] = 0; | |
1155 | ret = cpia_usb_transferCmd(gspca_dev, cmd); | |
1156 | if (ret) { | |
133a9fe9 | 1157 | pr_err("ReadVPRegs(30,4,9,8) - failed: %d\n", ret); |
54e8bc5d HG |
1158 | return; |
1159 | } | |
1160 | exp_acc = gspca_dev->usb_buf[0]; | |
1161 | bcomp = gspca_dev->usb_buf[1]; | |
54e8bc5d HG |
1162 | |
1163 | light_exp = sd->params.colourParams.brightness + | |
1164 | TC - 50 + EXP_ACC_LIGHT; | |
1165 | if (light_exp > 255) | |
1166 | light_exp = 255; | |
1167 | dark_exp = sd->params.colourParams.brightness + | |
1168 | TC - 50 - EXP_ACC_DARK; | |
1169 | if (dark_exp < 0) | |
1170 | dark_exp = 0; | |
1171 | very_dark_exp = dark_exp / 2; | |
1172 | ||
1173 | old_exposure = sd->params.exposure.coarseExpHi * 256 + | |
1174 | sd->params.exposure.coarseExpLo; | |
1175 | ||
1176 | if (!sd->params.flickerControl.disabled) { | |
1177 | /* Flicker control on */ | |
1178 | int max_comp = FIRMWARE_VERSION(1, 2) ? MAX_COMP : | |
1179 | HIGH_COMP_102; | |
1180 | bcomp += 128; /* decode */ | |
1181 | if (bcomp >= max_comp && exp_acc < dark_exp) { | |
1182 | /* dark */ | |
1183 | if (exp_acc < very_dark_exp) { | |
1184 | /* very dark */ | |
1185 | if (sd->exposure_status == EXPOSURE_VERY_DARK) | |
1186 | ++sd->exposure_count; | |
1187 | else { | |
1188 | sd->exposure_status = | |
1189 | EXPOSURE_VERY_DARK; | |
1190 | sd->exposure_count = 1; | |
1191 | } | |
1192 | } else { | |
1193 | /* just dark */ | |
1194 | if (sd->exposure_status == EXPOSURE_DARK) | |
1195 | ++sd->exposure_count; | |
1196 | else { | |
1197 | sd->exposure_status = EXPOSURE_DARK; | |
1198 | sd->exposure_count = 1; | |
1199 | } | |
1200 | } | |
1201 | } else if (old_exposure <= LOW_EXP || exp_acc > light_exp) { | |
1202 | /* light */ | |
1203 | if (old_exposure <= VERY_LOW_EXP) { | |
1204 | /* very light */ | |
1205 | if (sd->exposure_status == EXPOSURE_VERY_LIGHT) | |
1206 | ++sd->exposure_count; | |
1207 | else { | |
1208 | sd->exposure_status = | |
1209 | EXPOSURE_VERY_LIGHT; | |
1210 | sd->exposure_count = 1; | |
1211 | } | |
1212 | } else { | |
1213 | /* just light */ | |
1214 | if (sd->exposure_status == EXPOSURE_LIGHT) | |
1215 | ++sd->exposure_count; | |
1216 | else { | |
1217 | sd->exposure_status = EXPOSURE_LIGHT; | |
1218 | sd->exposure_count = 1; | |
1219 | } | |
1220 | } | |
1221 | } else { | |
1222 | /* not dark or light */ | |
1223 | sd->exposure_status = EXPOSURE_NORMAL; | |
1224 | } | |
1225 | } else { | |
1226 | /* Flicker control off */ | |
1227 | if (old_exposure >= MAX_EXP && exp_acc < dark_exp) { | |
1228 | /* dark */ | |
1229 | if (exp_acc < very_dark_exp) { | |
1230 | /* very dark */ | |
1231 | if (sd->exposure_status == EXPOSURE_VERY_DARK) | |
1232 | ++sd->exposure_count; | |
1233 | else { | |
1234 | sd->exposure_status = | |
1235 | EXPOSURE_VERY_DARK; | |
1236 | sd->exposure_count = 1; | |
1237 | } | |
1238 | } else { | |
1239 | /* just dark */ | |
1240 | if (sd->exposure_status == EXPOSURE_DARK) | |
1241 | ++sd->exposure_count; | |
1242 | else { | |
1243 | sd->exposure_status = EXPOSURE_DARK; | |
1244 | sd->exposure_count = 1; | |
1245 | } | |
1246 | } | |
1247 | } else if (old_exposure <= LOW_EXP || exp_acc > light_exp) { | |
1248 | /* light */ | |
1249 | if (old_exposure <= VERY_LOW_EXP) { | |
1250 | /* very light */ | |
1251 | if (sd->exposure_status == EXPOSURE_VERY_LIGHT) | |
1252 | ++sd->exposure_count; | |
1253 | else { | |
1254 | sd->exposure_status = | |
1255 | EXPOSURE_VERY_LIGHT; | |
1256 | sd->exposure_count = 1; | |
1257 | } | |
1258 | } else { | |
1259 | /* just light */ | |
1260 | if (sd->exposure_status == EXPOSURE_LIGHT) | |
1261 | ++sd->exposure_count; | |
1262 | else { | |
1263 | sd->exposure_status = EXPOSURE_LIGHT; | |
1264 | sd->exposure_count = 1; | |
1265 | } | |
1266 | } | |
1267 | } else { | |
1268 | /* not dark or light */ | |
1269 | sd->exposure_status = EXPOSURE_NORMAL; | |
1270 | } | |
1271 | } | |
1272 | ||
1273 | framerate = atomic_read(&sd->fps); | |
1274 | if (framerate > 30 || framerate < 1) | |
1275 | framerate = 1; | |
1276 | ||
1277 | if (!sd->params.flickerControl.disabled) { | |
1278 | /* Flicker control on */ | |
1279 | if ((sd->exposure_status == EXPOSURE_VERY_DARK || | |
1280 | sd->exposure_status == EXPOSURE_DARK) && | |
1281 | sd->exposure_count >= DARK_TIME * framerate && | |
76fafe78 | 1282 | sd->params.sensorFps.divisor < 2) { |
54e8bc5d HG |
1283 | |
1284 | /* dark for too long */ | |
1285 | ++sd->params.sensorFps.divisor; | |
1286 | setfps = 1; | |
1287 | ||
1288 | sd->params.flickerControl.coarseJump = | |
1289 | flicker_jumps[sd->mainsFreq] | |
1290 | [sd->params.sensorFps.baserate] | |
1291 | [sd->params.sensorFps.divisor]; | |
1292 | setflicker = 1; | |
1293 | ||
1294 | new_exposure = sd->params.flickerControl.coarseJump-1; | |
1295 | while (new_exposure < old_exposure / 2) | |
1296 | new_exposure += | |
1297 | sd->params.flickerControl.coarseJump; | |
1298 | sd->params.exposure.coarseExpLo = new_exposure & 0xff; | |
1299 | sd->params.exposure.coarseExpHi = new_exposure >> 8; | |
1300 | setexp = 1; | |
1301 | sd->exposure_status = EXPOSURE_NORMAL; | |
1302 | PDEBUG(D_CONF, "Automatically decreasing sensor_fps"); | |
1303 | ||
1304 | } else if ((sd->exposure_status == EXPOSURE_VERY_LIGHT || | |
1305 | sd->exposure_status == EXPOSURE_LIGHT) && | |
1306 | sd->exposure_count >= LIGHT_TIME * framerate && | |
1307 | sd->params.sensorFps.divisor > 0) { | |
1308 | ||
1309 | /* light for too long */ | |
1310 | int max_exp = FIRMWARE_VERSION(1, 2) ? MAX_EXP_102 : | |
1311 | MAX_EXP; | |
1312 | --sd->params.sensorFps.divisor; | |
1313 | setfps = 1; | |
1314 | ||
1315 | sd->params.flickerControl.coarseJump = | |
1316 | flicker_jumps[sd->mainsFreq] | |
1317 | [sd->params.sensorFps.baserate] | |
1318 | [sd->params.sensorFps.divisor]; | |
1319 | setflicker = 1; | |
1320 | ||
1321 | new_exposure = sd->params.flickerControl.coarseJump-1; | |
1322 | while (new_exposure < 2 * old_exposure && | |
1323 | new_exposure + | |
1324 | sd->params.flickerControl.coarseJump < max_exp) | |
1325 | new_exposure += | |
1326 | sd->params.flickerControl.coarseJump; | |
1327 | sd->params.exposure.coarseExpLo = new_exposure & 0xff; | |
1328 | sd->params.exposure.coarseExpHi = new_exposure >> 8; | |
1329 | setexp = 1; | |
1330 | sd->exposure_status = EXPOSURE_NORMAL; | |
1331 | PDEBUG(D_CONF, "Automatically increasing sensor_fps"); | |
1332 | } | |
1333 | } else { | |
1334 | /* Flicker control off */ | |
1335 | if ((sd->exposure_status == EXPOSURE_VERY_DARK || | |
1336 | sd->exposure_status == EXPOSURE_DARK) && | |
1337 | sd->exposure_count >= DARK_TIME * framerate && | |
76fafe78 | 1338 | sd->params.sensorFps.divisor < 2) { |
54e8bc5d HG |
1339 | |
1340 | /* dark for too long */ | |
1341 | ++sd->params.sensorFps.divisor; | |
1342 | setfps = 1; | |
1343 | ||
1344 | if (sd->params.exposure.gain > 0) { | |
1345 | --sd->params.exposure.gain; | |
1346 | setexp = 1; | |
1347 | } | |
1348 | sd->exposure_status = EXPOSURE_NORMAL; | |
1349 | PDEBUG(D_CONF, "Automatically decreasing sensor_fps"); | |
1350 | ||
1351 | } else if ((sd->exposure_status == EXPOSURE_VERY_LIGHT || | |
1352 | sd->exposure_status == EXPOSURE_LIGHT) && | |
1353 | sd->exposure_count >= LIGHT_TIME * framerate && | |
1354 | sd->params.sensorFps.divisor > 0) { | |
1355 | ||
1356 | /* light for too long */ | |
1357 | --sd->params.sensorFps.divisor; | |
1358 | setfps = 1; | |
1359 | ||
1360 | if (sd->params.exposure.gain < | |
1361 | sd->params.exposure.gainMode - 1) { | |
1362 | ++sd->params.exposure.gain; | |
1363 | setexp = 1; | |
1364 | } | |
1365 | sd->exposure_status = EXPOSURE_NORMAL; | |
1366 | PDEBUG(D_CONF, "Automatically increasing sensor_fps"); | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | if (setexp) | |
1371 | command_setexposure(gspca_dev); | |
1372 | ||
1373 | if (setfps) | |
1374 | command_setsensorfps(gspca_dev); | |
1375 | ||
1376 | if (setflicker) | |
1377 | command_setflickerctrl(gspca_dev); | |
1378 | } | |
1379 | ||
1380 | /*-----------------------------------------------------------------*/ | |
1381 | /* if flicker is switched off, this function switches it back on.It checks, | |
1382 | however, that conditions are suitable before restarting it. | |
1383 | This should only be called for firmware version 1.2. | |
1384 | ||
1385 | It also adjust the colour balance when an exposure step is detected - as | |
1386 | long as flicker is running | |
1387 | */ | |
1388 | static void restart_flicker(struct gspca_dev *gspca_dev) | |
1389 | { | |
1390 | struct sd *sd = (struct sd *) gspca_dev; | |
1391 | int cam_exposure, old_exp; | |
1392 | ||
1393 | if (!FIRMWARE_VERSION(1, 2)) | |
1394 | return; | |
1395 | ||
1396 | cam_exposure = atomic_read(&sd->cam_exposure); | |
1397 | ||
1398 | if (sd->params.flickerControl.flickerMode == 0 || | |
1399 | cam_exposure == 0) | |
1400 | return; | |
1401 | ||
1402 | old_exp = sd->params.exposure.coarseExpLo + | |
1403 | sd->params.exposure.coarseExpHi*256; | |
1404 | /* | |
1405 | see how far away camera exposure is from a valid | |
1406 | flicker exposure value | |
1407 | */ | |
1408 | cam_exposure %= sd->params.flickerControl.coarseJump; | |
1409 | if (!sd->params.flickerControl.disabled && | |
1410 | cam_exposure <= sd->params.flickerControl.coarseJump - 3) { | |
1411 | /* Flicker control auto-disabled */ | |
1412 | sd->params.flickerControl.disabled = 1; | |
1413 | } | |
1414 | ||
1415 | if (sd->params.flickerControl.disabled && | |
1416 | old_exp > sd->params.flickerControl.coarseJump + | |
1417 | ROUND_UP_EXP_FOR_FLICKER) { | |
1418 | /* exposure is now high enough to switch | |
1419 | flicker control back on */ | |
1420 | set_flicker(gspca_dev, 1, 1); | |
1421 | } | |
1422 | } | |
1423 | ||
1424 | /* this function is called at probe time */ | |
1425 | static int sd_config(struct gspca_dev *gspca_dev, | |
1426 | const struct usb_device_id *id) | |
1427 | { | |
1bfea3e4 | 1428 | struct sd *sd = (struct sd *) gspca_dev; |
54e8bc5d HG |
1429 | struct cam *cam; |
1430 | ||
1bfea3e4 | 1431 | sd->mainsFreq = FREQ_DEF == V4L2_CID_POWER_LINE_FREQUENCY_60HZ; |
54e8bc5d HG |
1432 | reset_camera_params(gspca_dev); |
1433 | ||
1434 | PDEBUG(D_PROBE, "cpia CPiA camera detected (vid/pid 0x%04X:0x%04X)", | |
1435 | id->idVendor, id->idProduct); | |
1436 | ||
1437 | cam = &gspca_dev->cam; | |
1438 | cam->cam_mode = mode; | |
1439 | cam->nmodes = ARRAY_SIZE(mode); | |
1440 | ||
1bfea3e4 HV |
1441 | goto_low_power(gspca_dev); |
1442 | /* Check the firmware version. */ | |
1443 | sd->params.version.firmwareVersion = 0; | |
1444 | get_version_information(gspca_dev); | |
1445 | if (sd->params.version.firmwareVersion != 1) { | |
c93396e1 TK |
1446 | PERR("only firmware version 1 is supported (got: %d)", |
1447 | sd->params.version.firmwareVersion); | |
1bfea3e4 HV |
1448 | return -ENODEV; |
1449 | } | |
54e8bc5d | 1450 | |
1bfea3e4 HV |
1451 | /* A bug in firmware 1-02 limits gainMode to 2 */ |
1452 | if (sd->params.version.firmwareRevision <= 2 && | |
1453 | sd->params.exposure.gainMode > 2) { | |
1454 | sd->params.exposure.gainMode = 2; | |
1455 | } | |
1456 | ||
1457 | /* set QX3 detected flag */ | |
1458 | sd->params.qx3.qx3_detected = (sd->params.pnpID.vendor == 0x0813 && | |
1459 | sd->params.pnpID.product == 0x0001); | |
54e8bc5d HG |
1460 | return 0; |
1461 | } | |
1462 | ||
1463 | /* -- start the camera -- */ | |
1464 | static int sd_start(struct gspca_dev *gspca_dev) | |
1465 | { | |
1466 | struct sd *sd = (struct sd *) gspca_dev; | |
1467 | int priv, ret; | |
1468 | ||
1469 | /* Start the camera in low power mode */ | |
1470 | if (goto_low_power(gspca_dev)) { | |
1471 | if (sd->params.status.systemState != WARM_BOOT_STATE) { | |
c93396e1 TK |
1472 | PERR("unexpected systemstate: %02x", |
1473 | sd->params.status.systemState); | |
1474 | printstatus(gspca_dev, &sd->params); | |
54e8bc5d HG |
1475 | return -ENODEV; |
1476 | } | |
1477 | ||
1478 | /* FIXME: this is just dirty trial and error */ | |
1479 | ret = goto_high_power(gspca_dev); | |
1480 | if (ret) | |
1481 | return ret; | |
1482 | ||
1483 | ret = do_command(gspca_dev, CPIA_COMMAND_DiscardFrame, | |
1484 | 0, 0, 0, 0); | |
1485 | if (ret) | |
1486 | return ret; | |
1487 | ||
1488 | ret = goto_low_power(gspca_dev); | |
1489 | if (ret) | |
1490 | return ret; | |
1491 | } | |
1492 | ||
1493 | /* procedure described in developer's guide p3-28 */ | |
1494 | ||
1495 | /* Check the firmware version. */ | |
1496 | sd->params.version.firmwareVersion = 0; | |
1497 | get_version_information(gspca_dev); | |
54e8bc5d HG |
1498 | |
1499 | /* The fatal error checking should be done after | |
1500 | * the camera powers up (developer's guide p 3-38) */ | |
1501 | ||
1502 | /* Set streamState before transition to high power to avoid bug | |
1503 | * in firmware 1-02 */ | |
1504 | ret = do_command(gspca_dev, CPIA_COMMAND_ModifyCameraStatus, | |
1505 | STREAMSTATE, 0, STREAM_NOT_READY, 0); | |
1506 | if (ret) | |
1507 | return ret; | |
1508 | ||
1509 | /* GotoHiPower */ | |
1510 | ret = goto_high_power(gspca_dev); | |
1511 | if (ret) | |
1512 | return ret; | |
1513 | ||
1514 | /* Check the camera status */ | |
1515 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
1516 | if (ret) | |
1517 | return ret; | |
1518 | ||
1519 | if (sd->params.status.fatalError) { | |
c93396e1 TK |
1520 | PERR("fatal_error: %04x, vp_status: %04x", |
1521 | sd->params.status.fatalError, sd->params.status.vpStatus); | |
54e8bc5d HG |
1522 | return -EIO; |
1523 | } | |
1524 | ||
1525 | /* VPVersion can't be retrieved before the camera is in HiPower, | |
1526 | * so get it here instead of in get_version_information. */ | |
1527 | ret = do_command(gspca_dev, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); | |
1528 | if (ret) | |
1529 | return ret; | |
1530 | ||
1531 | /* Determine video mode settings */ | |
1532 | sd->params.streamStartLine = 120; | |
1533 | ||
1534 | priv = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; | |
1535 | if (priv & 0x01) { /* crop */ | |
1536 | sd->params.roi.colStart = 2; | |
1537 | sd->params.roi.rowStart = 6; | |
1538 | } else { | |
1539 | sd->params.roi.colStart = 0; | |
1540 | sd->params.roi.rowStart = 0; | |
1541 | } | |
1542 | ||
1543 | if (priv & 0x02) { /* quarter */ | |
1544 | sd->params.format.videoSize = VIDEOSIZE_QCIF; | |
1545 | sd->params.roi.colStart /= 2; | |
1546 | sd->params.roi.rowStart /= 2; | |
1547 | sd->params.streamStartLine /= 2; | |
1548 | } else | |
1549 | sd->params.format.videoSize = VIDEOSIZE_CIF; | |
1550 | ||
1551 | sd->params.roi.colEnd = sd->params.roi.colStart + | |
1966bc2a | 1552 | (gspca_dev->pixfmt.width >> 3); |
54e8bc5d | 1553 | sd->params.roi.rowEnd = sd->params.roi.rowStart + |
1966bc2a | 1554 | (gspca_dev->pixfmt.height >> 2); |
54e8bc5d HG |
1555 | |
1556 | /* And now set the camera to a known state */ | |
1557 | ret = do_command(gspca_dev, CPIA_COMMAND_SetGrabMode, | |
1558 | CPIA_GRAB_CONTINEOUS, 0, 0, 0); | |
1559 | if (ret) | |
1560 | return ret; | |
1561 | /* We start with compression disabled, as we need one uncompressed | |
1562 | frame to handle later compressed frames */ | |
1563 | ret = do_command(gspca_dev, CPIA_COMMAND_SetCompression, | |
1564 | CPIA_COMPRESSION_NONE, | |
1565 | NO_DECIMATION, 0, 0); | |
1566 | if (ret) | |
1567 | return ret; | |
1568 | ret = command_setcompressiontarget(gspca_dev); | |
1569 | if (ret) | |
1570 | return ret; | |
1571 | ret = command_setcolourparams(gspca_dev); | |
1572 | if (ret) | |
1573 | return ret; | |
1574 | ret = command_setformat(gspca_dev); | |
1575 | if (ret) | |
1576 | return ret; | |
1577 | ret = command_setyuvtresh(gspca_dev); | |
1578 | if (ret) | |
1579 | return ret; | |
1580 | ret = command_setecptiming(gspca_dev); | |
1581 | if (ret) | |
1582 | return ret; | |
1583 | ret = command_setcompressionparams(gspca_dev); | |
1584 | if (ret) | |
1585 | return ret; | |
1586 | ret = command_setexposure(gspca_dev); | |
1587 | if (ret) | |
1588 | return ret; | |
1589 | ret = command_setcolourbalance(gspca_dev); | |
1590 | if (ret) | |
1591 | return ret; | |
1592 | ret = command_setsensorfps(gspca_dev); | |
1593 | if (ret) | |
1594 | return ret; | |
1595 | ret = command_setapcor(gspca_dev); | |
1596 | if (ret) | |
1597 | return ret; | |
1598 | ret = command_setflickerctrl(gspca_dev); | |
1599 | if (ret) | |
1600 | return ret; | |
1601 | ret = command_setvloffset(gspca_dev); | |
1602 | if (ret) | |
1603 | return ret; | |
1604 | ||
1605 | /* Start stream */ | |
1606 | ret = command_resume(gspca_dev); | |
1607 | if (ret) | |
1608 | return ret; | |
1609 | ||
1610 | /* Wait 6 frames before turning compression on for the sensor to get | |
1611 | all settings and AEC/ACB to settle */ | |
1612 | sd->first_frame = 6; | |
1613 | sd->exposure_status = EXPOSURE_NORMAL; | |
1614 | sd->exposure_count = 0; | |
1615 | atomic_set(&sd->cam_exposure, 0); | |
1616 | atomic_set(&sd->fps, 0); | |
1617 | ||
1618 | return 0; | |
1619 | } | |
1620 | ||
1621 | static void sd_stopN(struct gspca_dev *gspca_dev) | |
1622 | { | |
d7e92e15 | 1623 | struct sd *sd __maybe_unused = (struct sd *) gspca_dev; |
c2f644ae | 1624 | |
54e8bc5d HG |
1625 | command_pause(gspca_dev); |
1626 | ||
1627 | /* save camera state for later open (developers guide ch 3.5.3) */ | |
1628 | save_camera_state(gspca_dev); | |
1629 | ||
1630 | /* GotoLoPower */ | |
1631 | goto_low_power(gspca_dev); | |
1632 | ||
1633 | /* Update the camera status */ | |
1634 | do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
c2f644ae | 1635 | |
a3f6ce63 | 1636 | #if IS_ENABLED(CONFIG_INPUT) |
c2f644ae HG |
1637 | /* If the last button state is pressed, release it now! */ |
1638 | if (sd->params.qx3.button) { | |
1639 | /* The camera latch will hold the pressed state until we reset | |
1640 | the latch, so we do not reset sd->params.qx3.button now, to | |
1641 | avoid a false keypress being reported the next sd_start */ | |
1642 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); | |
1643 | input_sync(gspca_dev->input_dev); | |
1644 | } | |
1645 | #endif | |
54e8bc5d HG |
1646 | } |
1647 | ||
1648 | /* this function is called at probe and resume time */ | |
1649 | static int sd_init(struct gspca_dev *gspca_dev) | |
1650 | { | |
1651 | struct sd *sd = (struct sd *) gspca_dev; | |
1652 | int ret; | |
1653 | ||
1654 | /* Start / Stop the camera to make sure we are talking to | |
1655 | a supported camera, and to get some information from it | |
1656 | to print. */ | |
1657 | ret = sd_start(gspca_dev); | |
1658 | if (ret) | |
1659 | return ret; | |
1660 | ||
47399d98 AW |
1661 | /* Ensure the QX3 illuminators' states are restored upon resume, |
1662 | or disable the illuminator controls, if this isn't a QX3 */ | |
c67be3cc AW |
1663 | if (sd->params.qx3.qx3_detected) |
1664 | command_setlights(gspca_dev); | |
1665 | ||
54e8bc5d HG |
1666 | sd_stopN(gspca_dev); |
1667 | ||
1668 | PDEBUG(D_PROBE, "CPIA Version: %d.%02d (%d.%d)", | |
1669 | sd->params.version.firmwareVersion, | |
1670 | sd->params.version.firmwareRevision, | |
1671 | sd->params.version.vcVersion, | |
1672 | sd->params.version.vcRevision); | |
1673 | PDEBUG(D_PROBE, "CPIA PnP-ID: %04x:%04x:%04x", | |
1674 | sd->params.pnpID.vendor, sd->params.pnpID.product, | |
1675 | sd->params.pnpID.deviceRevision); | |
1676 | PDEBUG(D_PROBE, "VP-Version: %d.%d %04x", | |
1677 | sd->params.vpVersion.vpVersion, | |
1678 | sd->params.vpVersion.vpRevision, | |
1679 | sd->params.vpVersion.cameraHeadID); | |
1680 | ||
1681 | return 0; | |
1682 | } | |
1683 | ||
1684 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | |
1685 | u8 *data, | |
1686 | int len) | |
1687 | { | |
1688 | struct sd *sd = (struct sd *) gspca_dev; | |
1689 | ||
1690 | /* Check for SOF */ | |
1691 | if (len >= 64 && | |
1692 | data[0] == MAGIC_0 && data[1] == MAGIC_1 && | |
1693 | data[16] == sd->params.format.videoSize && | |
1694 | data[17] == sd->params.format.subSample && | |
1695 | data[18] == sd->params.format.yuvOrder && | |
1696 | data[24] == sd->params.roi.colStart && | |
1697 | data[25] == sd->params.roi.colEnd && | |
1698 | data[26] == sd->params.roi.rowStart && | |
1699 | data[27] == sd->params.roi.rowEnd) { | |
b192ca98 | 1700 | u8 *image; |
54e8bc5d HG |
1701 | |
1702 | atomic_set(&sd->cam_exposure, data[39] * 2); | |
1703 | atomic_set(&sd->fps, data[41]); | |
1704 | ||
54e8bc5d | 1705 | /* Check for proper EOF for last frame */ |
f7059eaa JFM |
1706 | image = gspca_dev->image; |
1707 | if (image != NULL && | |
1708 | gspca_dev->image_len > 4 && | |
b192ca98 JFM |
1709 | image[gspca_dev->image_len - 4] == 0xff && |
1710 | image[gspca_dev->image_len - 3] == 0xff && | |
1711 | image[gspca_dev->image_len - 2] == 0xff && | |
1712 | image[gspca_dev->image_len - 1] == 0xff) | |
54e8bc5d HG |
1713 | gspca_frame_add(gspca_dev, LAST_PACKET, |
1714 | NULL, 0); | |
1715 | ||
1716 | gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); | |
1717 | return; | |
1718 | } | |
1719 | ||
1720 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); | |
1721 | } | |
1722 | ||
1723 | static void sd_dq_callback(struct gspca_dev *gspca_dev) | |
1724 | { | |
1725 | struct sd *sd = (struct sd *) gspca_dev; | |
1726 | ||
1727 | /* Set the normal compression settings once we have captured a | |
1728 | few uncompressed frames (and AEC has hopefully settled) */ | |
1729 | if (sd->first_frame) { | |
1730 | sd->first_frame--; | |
1731 | if (sd->first_frame == 0) | |
1732 | command_setcompression(gspca_dev); | |
1733 | } | |
1734 | ||
1735 | /* Switch flicker control back on if it got turned off */ | |
1736 | restart_flicker(gspca_dev); | |
1737 | ||
1738 | /* If AEC is enabled, monitor the exposure and | |
1739 | adjust the sensor frame rate if needed */ | |
1740 | if (sd->params.exposure.expMode == 2) | |
1741 | monitor_exposure(gspca_dev); | |
1742 | ||
1743 | /* Update our knowledge of the camera state */ | |
1744 | do_command(gspca_dev, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); | |
c2f644ae | 1745 | do_command(gspca_dev, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); |
54e8bc5d HG |
1746 | } |
1747 | ||
1bfea3e4 | 1748 | static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
54e8bc5d | 1749 | { |
1bfea3e4 HV |
1750 | struct gspca_dev *gspca_dev = |
1751 | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); | |
1752 | struct sd *sd = (struct sd *)gspca_dev; | |
54e8bc5d | 1753 | |
1bfea3e4 | 1754 | gspca_dev->usb_err = 0; |
54e8bc5d | 1755 | |
1bfea3e4 HV |
1756 | if (!gspca_dev->streaming && ctrl->id != V4L2_CID_POWER_LINE_FREQUENCY) |
1757 | return 0; | |
54e8bc5d | 1758 | |
1bfea3e4 HV |
1759 | switch (ctrl->id) { |
1760 | case V4L2_CID_BRIGHTNESS: | |
1761 | sd->params.colourParams.brightness = ctrl->val; | |
1762 | sd->params.flickerControl.allowableOverExposure = | |
1763 | find_over_exposure(sd->params.colourParams.brightness); | |
1764 | gspca_dev->usb_err = command_setcolourparams(gspca_dev); | |
1765 | if (!gspca_dev->usb_err) | |
1766 | gspca_dev->usb_err = command_setflickerctrl(gspca_dev); | |
54e8bc5d | 1767 | break; |
1bfea3e4 HV |
1768 | case V4L2_CID_CONTRAST: |
1769 | sd->params.colourParams.contrast = ctrl->val; | |
1770 | gspca_dev->usb_err = command_setcolourparams(gspca_dev); | |
54e8bc5d | 1771 | break; |
1bfea3e4 HV |
1772 | case V4L2_CID_SATURATION: |
1773 | sd->params.colourParams.saturation = ctrl->val; | |
1774 | gspca_dev->usb_err = command_setcolourparams(gspca_dev); | |
54e8bc5d | 1775 | break; |
1bfea3e4 HV |
1776 | case V4L2_CID_POWER_LINE_FREQUENCY: |
1777 | sd->mainsFreq = ctrl->val == V4L2_CID_POWER_LINE_FREQUENCY_60HZ; | |
1778 | sd->params.flickerControl.coarseJump = | |
1779 | flicker_jumps[sd->mainsFreq] | |
1780 | [sd->params.sensorFps.baserate] | |
1781 | [sd->params.sensorFps.divisor]; | |
1782 | ||
1783 | gspca_dev->usb_err = set_flicker(gspca_dev, | |
1784 | ctrl->val != V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, | |
1785 | gspca_dev->streaming); | |
51513353 | 1786 | break; |
1bfea3e4 HV |
1787 | case V4L2_CID_ILLUMINATORS_1: |
1788 | sd->params.qx3.bottomlight = ctrl->val; | |
1789 | gspca_dev->usb_err = command_setlights(gspca_dev); | |
51513353 | 1790 | break; |
1bfea3e4 HV |
1791 | case V4L2_CID_ILLUMINATORS_2: |
1792 | sd->params.qx3.toplight = ctrl->val; | |
1793 | gspca_dev->usb_err = command_setlights(gspca_dev); | |
51513353 | 1794 | break; |
1bfea3e4 HV |
1795 | case CPIA1_CID_COMP_TARGET: |
1796 | sd->params.compressionTarget.frTargeting = ctrl->val; | |
1797 | gspca_dev->usb_err = command_setcompressiontarget(gspca_dev); | |
51513353 | 1798 | break; |
51513353 | 1799 | } |
1bfea3e4 | 1800 | return gspca_dev->usb_err; |
51513353 AW |
1801 | } |
1802 | ||
1bfea3e4 HV |
1803 | static const struct v4l2_ctrl_ops sd_ctrl_ops = { |
1804 | .s_ctrl = sd_s_ctrl, | |
1805 | }; | |
51513353 | 1806 | |
1bfea3e4 | 1807 | static int sd_init_controls(struct gspca_dev *gspca_dev) |
51513353 | 1808 | { |
1bfea3e4 HV |
1809 | struct sd *sd = (struct sd *)gspca_dev; |
1810 | struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; | |
1811 | static const char * const comp_target_menu[] = { | |
1812 | "Quality", | |
1813 | "Framerate", | |
1814 | NULL | |
1815 | }; | |
1816 | static const struct v4l2_ctrl_config comp_target = { | |
1817 | .ops = &sd_ctrl_ops, | |
1818 | .id = CPIA1_CID_COMP_TARGET, | |
1819 | .type = V4L2_CTRL_TYPE_MENU, | |
1820 | .name = "Compression Target", | |
1821 | .qmenu = comp_target_menu, | |
1822 | .max = 1, | |
1823 | .def = COMP_TARGET_DEF, | |
1824 | }; | |
1825 | ||
1826 | gspca_dev->vdev.ctrl_handler = hdl; | |
1827 | v4l2_ctrl_handler_init(hdl, 7); | |
1828 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
1829 | V4L2_CID_BRIGHTNESS, 0, 100, 1, BRIGHTNESS_DEF); | |
1830 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
1831 | V4L2_CID_CONTRAST, 0, 96, 8, CONTRAST_DEF); | |
1832 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
1833 | V4L2_CID_SATURATION, 0, 100, 1, SATURATION_DEF); | |
1834 | sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, | |
1835 | V4L2_CID_POWER_LINE_FREQUENCY, | |
1836 | V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, | |
1837 | FREQ_DEF); | |
1838 | if (sd->params.qx3.qx3_detected) { | |
1839 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
1840 | V4L2_CID_ILLUMINATORS_1, 0, 1, 1, | |
1841 | ILLUMINATORS_1_DEF); | |
1842 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
1843 | V4L2_CID_ILLUMINATORS_2, 0, 1, 1, | |
1844 | ILLUMINATORS_2_DEF); | |
1845 | } | |
1846 | v4l2_ctrl_new_custom(hdl, &comp_target, NULL); | |
51513353 | 1847 | |
1bfea3e4 HV |
1848 | if (hdl->error) { |
1849 | pr_err("Could not initialize controls\n"); | |
1850 | return hdl->error; | |
54e8bc5d | 1851 | } |
1bfea3e4 | 1852 | return 0; |
54e8bc5d HG |
1853 | } |
1854 | ||
1855 | /* sub-driver description */ | |
1856 | static const struct sd_desc sd_desc = { | |
1857 | .name = MODULE_NAME, | |
54e8bc5d HG |
1858 | .config = sd_config, |
1859 | .init = sd_init, | |
1bfea3e4 | 1860 | .init_controls = sd_init_controls, |
54e8bc5d HG |
1861 | .start = sd_start, |
1862 | .stopN = sd_stopN, | |
1863 | .dq_callback = sd_dq_callback, | |
1864 | .pkt_scan = sd_pkt_scan, | |
a3f6ce63 | 1865 | #if IS_ENABLED(CONFIG_INPUT) |
c2f644ae HG |
1866 | .other_input = 1, |
1867 | #endif | |
54e8bc5d HG |
1868 | }; |
1869 | ||
1870 | /* -- module initialisation -- */ | |
95c967c1 | 1871 | static const struct usb_device_id device_table[] = { |
54e8bc5d HG |
1872 | {USB_DEVICE(0x0553, 0x0002)}, |
1873 | {USB_DEVICE(0x0813, 0x0001)}, | |
1874 | {} | |
1875 | }; | |
1876 | MODULE_DEVICE_TABLE(usb, device_table); | |
1877 | ||
1878 | /* -- device connect -- */ | |
1879 | static int sd_probe(struct usb_interface *intf, | |
1880 | const struct usb_device_id *id) | |
1881 | { | |
1882 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), | |
1883 | THIS_MODULE); | |
1884 | } | |
1885 | ||
1886 | static struct usb_driver sd_driver = { | |
1887 | .name = MODULE_NAME, | |
1888 | .id_table = device_table, | |
1889 | .probe = sd_probe, | |
1890 | .disconnect = gspca_disconnect, | |
1891 | #ifdef CONFIG_PM | |
1892 | .suspend = gspca_suspend, | |
1893 | .resume = gspca_resume, | |
8bb58964 | 1894 | .reset_resume = gspca_resume, |
54e8bc5d HG |
1895 | #endif |
1896 | }; | |
1897 | ||
ecb3b2b3 | 1898 | module_usb_driver(sd_driver); |