1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * ov534-ov7xxx gspca driver |
4 | * |
5 | * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> |
6 | * Copyright (C) 2008 Jim Paris <jim@jtan.com> |
7 | * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr |
8 | * |
9 | * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> |
10 | * USB protocol reverse engineered by Jim Paris <jim@jtan.com> |
11 | * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ |
12 | * |
13 | * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr |
14 | * PS3 Eye camera - brightness, contrast, awb, agc, aec controls |
15 | * added by Max Thrun <bear24rw@gmail.com> |
16 | * PS3 Eye camera - FPS range extended by Joseph Howse |
17 | * <josephhowse@nummist.com> https://nummist.com |
18 | */ |
19 | |
20 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
21 | |
22 | #define MODULE_NAME "ov534" |
23 | |
24 | #include "gspca.h" |
25 | |
26 | #include <linux/fixp-arith.h> |
27 | #include <media/v4l2-ctrls.h> |
28 | |
29 | #define OV534_REG_ADDRESS 0xf1 /* sensor address */ |
30 | #define OV534_REG_SUBADDR 0xf2 |
31 | #define OV534_REG_WRITE 0xf3 |
32 | #define OV534_REG_READ 0xf4 |
33 | #define OV534_REG_OPERATION 0xf5 |
34 | #define OV534_REG_STATUS 0xf6 |
35 | |
36 | #define OV534_OP_WRITE_3 0x37 |
37 | #define OV534_OP_WRITE_2 0x33 |
38 | #define OV534_OP_READ_2 0xf9 |
39 | |
40 | #define CTRL_TIMEOUT 500 |
41 | #define DEFAULT_FRAME_RATE 30 |
42 | |
43 | MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>" ); |
44 | MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver" ); |
45 | MODULE_LICENSE("GPL" ); |
46 | |
47 | /* specific webcam descriptor */ |
48 | struct sd { |
49 | struct gspca_dev gspca_dev; /* !! must be the first item */ |
50 | |
51 | struct v4l2_ctrl_handler ctrl_handler; |
52 | struct v4l2_ctrl *hue; |
53 | struct v4l2_ctrl *saturation; |
54 | struct v4l2_ctrl *brightness; |
55 | struct v4l2_ctrl *contrast; |
56 | struct { /* gain control cluster */ |
57 | struct v4l2_ctrl *autogain; |
58 | struct v4l2_ctrl *gain; |
59 | }; |
60 | struct v4l2_ctrl *autowhitebalance; |
61 | struct { /* exposure control cluster */ |
62 | struct v4l2_ctrl *autoexposure; |
63 | struct v4l2_ctrl *exposure; |
64 | }; |
65 | struct v4l2_ctrl *sharpness; |
66 | struct v4l2_ctrl *hflip; |
67 | struct v4l2_ctrl *vflip; |
68 | struct v4l2_ctrl *plfreq; |
69 | |
70 | __u32 last_pts; |
71 | u16 last_fid; |
72 | u8 frame_rate; |
73 | |
74 | u8 sensor; |
75 | }; |
76 | enum sensors { |
77 | SENSOR_OV767x, |
78 | SENSOR_OV772x, |
79 | NSENSORS |
80 | }; |
81 | |
82 | static int sd_start(struct gspca_dev *gspca_dev); |
83 | static void sd_stopN(struct gspca_dev *gspca_dev); |
84 | |
85 | |
86 | static const struct v4l2_pix_format ov772x_mode[] = { |
87 | {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, |
88 | .bytesperline = 320 * 2, |
89 | .sizeimage = 320 * 240 * 2, |
90 | .colorspace = V4L2_COLORSPACE_SRGB, |
91 | .priv = 1}, |
92 | {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, |
93 | .bytesperline = 640 * 2, |
94 | .sizeimage = 640 * 480 * 2, |
95 | .colorspace = V4L2_COLORSPACE_SRGB, |
96 | .priv = 0}, |
97 | {320, 240, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE, |
98 | .bytesperline = 320, |
99 | .sizeimage = 320 * 240, |
100 | .colorspace = V4L2_COLORSPACE_SRGB, |
101 | .priv = 1}, |
102 | {640, 480, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE, |
103 | .bytesperline = 640, |
104 | .sizeimage = 640 * 480, |
105 | .colorspace = V4L2_COLORSPACE_SRGB, |
106 | .priv = 0}, |
107 | }; |
108 | static const struct v4l2_pix_format ov767x_mode[] = { |
109 | {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
110 | .bytesperline = 320, |
111 | .sizeimage = 320 * 240 * 3 / 8 + 590, |
112 | .colorspace = V4L2_COLORSPACE_JPEG}, |
113 | {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
114 | .bytesperline = 640, |
115 | .sizeimage = 640 * 480 * 3 / 8 + 590, |
116 | .colorspace = V4L2_COLORSPACE_JPEG}, |
117 | }; |
118 | |
119 | static const u8 qvga_rates[] = {187, 150, 137, 125, 100, 75, 60, 50, 37, 30}; |
120 | static const u8 vga_rates[] = {60, 50, 40, 30, 15}; |
121 | |
122 | static const struct framerates ov772x_framerates[] = { |
123 | { /* 320x240 */ |
124 | .rates = qvga_rates, |
125 | .nrates = ARRAY_SIZE(qvga_rates), |
126 | }, |
127 | { /* 640x480 */ |
128 | .rates = vga_rates, |
129 | .nrates = ARRAY_SIZE(vga_rates), |
130 | }, |
131 | { /* 320x240 SGBRG8 */ |
132 | .rates = qvga_rates, |
133 | .nrates = ARRAY_SIZE(qvga_rates), |
134 | }, |
135 | { /* 640x480 SGBRG8 */ |
136 | .rates = vga_rates, |
137 | .nrates = ARRAY_SIZE(vga_rates), |
138 | }, |
139 | }; |
140 | |
141 | struct reg_array { |
142 | const u8 (*val)[2]; |
143 | int len; |
144 | }; |
145 | |
146 | static const u8 bridge_init_767x[][2] = { |
147 | /* comments from the ms-win file apollo7670.set */ |
148 | /* str1 */ |
149 | {0xf1, 0x42}, |
150 | {0x88, 0xf8}, |
151 | {0x89, 0xff}, |
152 | {0x76, 0x03}, |
153 | {0x92, 0x03}, |
154 | {0x95, 0x10}, |
155 | {0xe2, 0x00}, |
156 | {0xe7, 0x3e}, |
157 | {0x8d, 0x1c}, |
158 | {0x8e, 0x00}, |
159 | {0x8f, 0x00}, |
160 | {0x1f, 0x00}, |
161 | {0xc3, 0xf9}, |
162 | {0x89, 0xff}, |
163 | {0x88, 0xf8}, |
164 | {0x76, 0x03}, |
165 | {0x92, 0x01}, |
166 | {0x93, 0x18}, |
167 | {0x1c, 0x00}, |
168 | {0x1d, 0x48}, |
169 | {0x1d, 0x00}, |
170 | {0x1d, 0xff}, |
171 | {0x1d, 0x02}, |
172 | {0x1d, 0x58}, |
173 | {0x1d, 0x00}, |
174 | {0x1c, 0x0a}, |
175 | {0x1d, 0x0a}, |
176 | {0x1d, 0x0e}, |
177 | {0xc0, 0x50}, /* HSize 640 */ |
178 | {0xc1, 0x3c}, /* VSize 480 */ |
179 | {0x34, 0x05}, /* enable Audio Suspend mode */ |
180 | {0xc2, 0x0c}, /* Input YUV */ |
181 | {0xc3, 0xf9}, /* enable PRE */ |
182 | {0x34, 0x05}, /* enable Audio Suspend mode */ |
183 | {0xe7, 0x2e}, /* this solves failure of "SuspendResumeTest" */ |
184 | {0x31, 0xf9}, /* enable 1.8V Suspend */ |
185 | {0x35, 0x02}, /* turn on JPEG */ |
186 | {0xd9, 0x10}, |
187 | {0x25, 0x42}, /* GPIO[8]:Input */ |
188 | {0x94, 0x11}, /* If the default setting is loaded when |
189 | * system boots up, this flag is closed here */ |
190 | }; |
191 | static const u8 sensor_init_767x[][2] = { |
192 | {0x12, 0x80}, |
193 | {0x11, 0x03}, |
194 | {0x3a, 0x04}, |
195 | {0x12, 0x00}, |
196 | {0x17, 0x13}, |
197 | {0x18, 0x01}, |
198 | {0x32, 0xb6}, |
199 | {0x19, 0x02}, |
200 | {0x1a, 0x7a}, |
201 | {0x03, 0x0a}, |
202 | {0x0c, 0x00}, |
203 | {0x3e, 0x00}, |
204 | {0x70, 0x3a}, |
205 | {0x71, 0x35}, |
206 | {0x72, 0x11}, |
207 | {0x73, 0xf0}, |
208 | {0xa2, 0x02}, |
209 | {0x7a, 0x2a}, /* set Gamma=1.6 below */ |
210 | {0x7b, 0x12}, |
211 | {0x7c, 0x1d}, |
212 | {0x7d, 0x2d}, |
213 | {0x7e, 0x45}, |
214 | {0x7f, 0x50}, |
215 | {0x80, 0x59}, |
216 | {0x81, 0x62}, |
217 | {0x82, 0x6b}, |
218 | {0x83, 0x73}, |
219 | {0x84, 0x7b}, |
220 | {0x85, 0x8a}, |
221 | {0x86, 0x98}, |
222 | {0x87, 0xb2}, |
223 | {0x88, 0xca}, |
224 | {0x89, 0xe0}, |
225 | {0x13, 0xe0}, |
226 | {0x00, 0x00}, |
227 | {0x10, 0x00}, |
228 | {0x0d, 0x40}, |
229 | {0x14, 0x38}, /* gain max 16x */ |
230 | {0xa5, 0x05}, |
231 | {0xab, 0x07}, |
232 | {0x24, 0x95}, |
233 | {0x25, 0x33}, |
234 | {0x26, 0xe3}, |
235 | {0x9f, 0x78}, |
236 | {0xa0, 0x68}, |
237 | {0xa1, 0x03}, |
238 | {0xa6, 0xd8}, |
239 | {0xa7, 0xd8}, |
240 | {0xa8, 0xf0}, |
241 | {0xa9, 0x90}, |
242 | {0xaa, 0x94}, |
243 | {0x13, 0xe5}, |
244 | {0x0e, 0x61}, |
245 | {0x0f, 0x4b}, |
246 | {0x16, 0x02}, |
247 | {0x21, 0x02}, |
248 | {0x22, 0x91}, |
249 | {0x29, 0x07}, |
250 | {0x33, 0x0b}, |
251 | {0x35, 0x0b}, |
252 | {0x37, 0x1d}, |
253 | {0x38, 0x71}, |
254 | {0x39, 0x2a}, |
255 | {0x3c, 0x78}, |
256 | {0x4d, 0x40}, |
257 | {0x4e, 0x20}, |
258 | {0x69, 0x00}, |
259 | {0x6b, 0x4a}, |
260 | {0x74, 0x10}, |
261 | {0x8d, 0x4f}, |
262 | {0x8e, 0x00}, |
263 | {0x8f, 0x00}, |
264 | {0x90, 0x00}, |
265 | {0x91, 0x00}, |
266 | {0x96, 0x00}, |
267 | {0x9a, 0x80}, |
268 | {0xb0, 0x84}, |
269 | {0xb1, 0x0c}, |
270 | {0xb2, 0x0e}, |
271 | {0xb3, 0x82}, |
272 | {0xb8, 0x0a}, |
273 | {0x43, 0x0a}, |
274 | {0x44, 0xf0}, |
275 | {0x45, 0x34}, |
276 | {0x46, 0x58}, |
277 | {0x47, 0x28}, |
278 | {0x48, 0x3a}, |
279 | {0x59, 0x88}, |
280 | {0x5a, 0x88}, |
281 | {0x5b, 0x44}, |
282 | {0x5c, 0x67}, |
283 | {0x5d, 0x49}, |
284 | {0x5e, 0x0e}, |
285 | {0x6c, 0x0a}, |
286 | {0x6d, 0x55}, |
287 | {0x6e, 0x11}, |
288 | {0x6f, 0x9f}, |
289 | {0x6a, 0x40}, |
290 | {0x01, 0x40}, |
291 | {0x02, 0x40}, |
292 | {0x13, 0xe7}, |
293 | {0x4f, 0x80}, |
294 | {0x50, 0x80}, |
295 | {0x51, 0x00}, |
296 | {0x52, 0x22}, |
297 | {0x53, 0x5e}, |
298 | {0x54, 0x80}, |
299 | {0x58, 0x9e}, |
300 | {0x41, 0x08}, |
301 | {0x3f, 0x00}, |
302 | {0x75, 0x04}, |
303 | {0x76, 0xe1}, |
304 | {0x4c, 0x00}, |
305 | {0x77, 0x01}, |
306 | {0x3d, 0xc2}, |
307 | {0x4b, 0x09}, |
308 | {0xc9, 0x60}, |
309 | {0x41, 0x38}, /* jfm: auto sharpness + auto de-noise */ |
310 | {0x56, 0x40}, |
311 | {0x34, 0x11}, |
312 | {0x3b, 0xc2}, |
313 | {0xa4, 0x8a}, /* Night mode trigger point */ |
314 | {0x96, 0x00}, |
315 | {0x97, 0x30}, |
316 | {0x98, 0x20}, |
317 | {0x99, 0x20}, |
318 | {0x9a, 0x84}, |
319 | {0x9b, 0x29}, |
320 | {0x9c, 0x03}, |
321 | {0x9d, 0x4c}, |
322 | {0x9e, 0x3f}, |
323 | {0x78, 0x04}, |
324 | {0x79, 0x01}, |
325 | {0xc8, 0xf0}, |
326 | {0x79, 0x0f}, |
327 | {0xc8, 0x00}, |
328 | {0x79, 0x10}, |
329 | {0xc8, 0x7e}, |
330 | {0x79, 0x0a}, |
331 | {0xc8, 0x80}, |
332 | {0x79, 0x0b}, |
333 | {0xc8, 0x01}, |
334 | {0x79, 0x0c}, |
335 | {0xc8, 0x0f}, |
336 | {0x79, 0x0d}, |
337 | {0xc8, 0x20}, |
338 | {0x79, 0x09}, |
339 | {0xc8, 0x80}, |
340 | {0x79, 0x02}, |
341 | {0xc8, 0xc0}, |
342 | {0x79, 0x03}, |
343 | {0xc8, 0x20}, |
344 | {0x79, 0x26}, |
345 | }; |
346 | static const u8 bridge_start_vga_767x[][2] = { |
347 | /* str59 JPG */ |
348 | {0x94, 0xaa}, |
349 | {0xf1, 0x42}, |
350 | {0xe5, 0x04}, |
351 | {0xc0, 0x50}, |
352 | {0xc1, 0x3c}, |
353 | {0xc2, 0x0c}, |
354 | {0x35, 0x02}, /* turn on JPEG */ |
355 | {0xd9, 0x10}, |
356 | {0xda, 0x00}, /* for higher clock rate(30fps) */ |
357 | {0x34, 0x05}, /* enable Audio Suspend mode */ |
358 | {0xc3, 0xf9}, /* enable PRE */ |
359 | {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ |
360 | {0x8d, 0x1c}, /* output YUV */ |
361 | /* {0x34, 0x05}, * enable Audio Suspend mode (?) */ |
362 | {0x50, 0x00}, /* H/V divider=0 */ |
363 | {0x51, 0xa0}, /* input H=640/4 */ |
364 | {0x52, 0x3c}, /* input V=480/4 */ |
365 | {0x53, 0x00}, /* offset X=0 */ |
366 | {0x54, 0x00}, /* offset Y=0 */ |
367 | {0x55, 0x00}, /* H/V size[8]=0 */ |
368 | {0x57, 0x00}, /* H-size[9]=0 */ |
369 | {0x5c, 0x00}, /* output size[9:8]=0 */ |
370 | {0x5a, 0xa0}, /* output H=640/4 */ |
371 | {0x5b, 0x78}, /* output V=480/4 */ |
372 | {0x1c, 0x0a}, |
373 | {0x1d, 0x0a}, |
374 | {0x94, 0x11}, |
375 | }; |
376 | static const u8 sensor_start_vga_767x[][2] = { |
377 | {0x11, 0x01}, |
378 | {0x1e, 0x04}, |
379 | {0x19, 0x02}, |
380 | {0x1a, 0x7a}, |
381 | }; |
382 | static const u8 bridge_start_qvga_767x[][2] = { |
383 | /* str86 JPG */ |
384 | {0x94, 0xaa}, |
385 | {0xf1, 0x42}, |
386 | {0xe5, 0x04}, |
387 | {0xc0, 0x80}, |
388 | {0xc1, 0x60}, |
389 | {0xc2, 0x0c}, |
390 | {0x35, 0x02}, /* turn on JPEG */ |
391 | {0xd9, 0x10}, |
392 | {0xc0, 0x50}, /* CIF HSize 640 */ |
393 | {0xc1, 0x3c}, /* CIF VSize 480 */ |
394 | {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ |
395 | {0x8d, 0x1c}, /* output YUV */ |
396 | {0x34, 0x05}, /* enable Audio Suspend mode */ |
397 | {0xc2, 0x4c}, /* output YUV and Enable DCW */ |
398 | {0xc3, 0xf9}, /* enable PRE */ |
399 | {0x1c, 0x00}, /* indirect addressing */ |
400 | {0x1d, 0x48}, /* output YUV422 */ |
401 | {0x50, 0x89}, /* H/V divider=/2; plus DCW AVG */ |
402 | {0x51, 0xa0}, /* DCW input H=640/4 */ |
403 | {0x52, 0x78}, /* DCW input V=480/4 */ |
404 | {0x53, 0x00}, /* offset X=0 */ |
405 | {0x54, 0x00}, /* offset Y=0 */ |
406 | {0x55, 0x00}, /* H/V size[8]=0 */ |
407 | {0x57, 0x00}, /* H-size[9]=0 */ |
408 | {0x5c, 0x00}, /* DCW output size[9:8]=0 */ |
409 | {0x5a, 0x50}, /* DCW output H=320/4 */ |
410 | {0x5b, 0x3c}, /* DCW output V=240/4 */ |
411 | {0x1c, 0x0a}, |
412 | {0x1d, 0x0a}, |
413 | {0x94, 0x11}, |
414 | }; |
415 | static const u8 sensor_start_qvga_767x[][2] = { |
416 | {0x11, 0x01}, |
417 | {0x1e, 0x04}, |
418 | {0x19, 0x02}, |
419 | {0x1a, 0x7a}, |
420 | }; |
421 | |
422 | static const u8 bridge_init_772x[][2] = { |
423 | { 0x88, 0xf8 }, |
424 | { 0x89, 0xff }, |
425 | { 0x76, 0x03 }, |
426 | { 0x92, 0x01 }, |
427 | { 0x93, 0x18 }, |
428 | { 0x94, 0x10 }, |
429 | { 0x95, 0x10 }, |
430 | { 0xe2, 0x00 }, |
431 | { 0xe7, 0x3e }, |
432 | |
433 | { 0x96, 0x00 }, |
434 | |
435 | { 0x97, 0x20 }, |
436 | { 0x97, 0x20 }, |
437 | { 0x97, 0x20 }, |
438 | { 0x97, 0x0a }, |
439 | { 0x97, 0x3f }, |
440 | { 0x97, 0x4a }, |
441 | { 0x97, 0x20 }, |
442 | { 0x97, 0x15 }, |
443 | { 0x97, 0x0b }, |
444 | |
445 | { 0x8e, 0x40 }, |
446 | { 0x1f, 0x81 }, |
447 | { 0x34, 0x05 }, |
448 | { 0xe3, 0x04 }, |
449 | { 0x89, 0x00 }, |
450 | { 0x76, 0x00 }, |
451 | { 0xe7, 0x2e }, |
452 | { 0x31, 0xf9 }, |
453 | { 0x25, 0x42 }, |
454 | { 0x21, 0xf0 }, |
455 | |
456 | { 0x1c, 0x0a }, |
457 | { 0x1d, 0x08 }, /* turn on UVC header */ |
458 | { 0x1d, 0x0e }, /* .. */ |
459 | }; |
460 | static const u8 sensor_init_772x[][2] = { |
461 | { 0x12, 0x80 }, |
462 | { 0x11, 0x01 }, |
463 | /*fixme: better have a delay?*/ |
464 | { 0x11, 0x01 }, |
465 | { 0x11, 0x01 }, |
466 | { 0x11, 0x01 }, |
467 | { 0x11, 0x01 }, |
468 | { 0x11, 0x01 }, |
469 | { 0x11, 0x01 }, |
470 | { 0x11, 0x01 }, |
471 | { 0x11, 0x01 }, |
472 | { 0x11, 0x01 }, |
473 | { 0x11, 0x01 }, |
474 | |
475 | { 0x3d, 0x03 }, |
476 | { 0x17, 0x26 }, |
477 | { 0x18, 0xa0 }, |
478 | { 0x19, 0x07 }, |
479 | { 0x1a, 0xf0 }, |
480 | { 0x32, 0x00 }, |
481 | { 0x29, 0xa0 }, |
482 | { 0x2c, 0xf0 }, |
483 | { 0x65, 0x20 }, |
484 | { 0x11, 0x01 }, |
485 | { 0x42, 0x7f }, |
486 | { 0x63, 0xaa }, /* AWB - was e0 */ |
487 | { 0x64, 0xff }, |
488 | { 0x66, 0x00 }, |
489 | { 0x13, 0xf0 }, /* com8 */ |
490 | { 0x0d, 0x41 }, |
491 | { 0x0f, 0xc5 }, |
492 | { 0x14, 0x11 }, |
493 | |
494 | { 0x22, 0x7f }, |
495 | { 0x23, 0x03 }, |
496 | { 0x24, 0x40 }, |
497 | { 0x25, 0x30 }, |
498 | { 0x26, 0xa1 }, |
499 | { 0x2a, 0x00 }, |
500 | { 0x2b, 0x00 }, |
501 | { 0x6b, 0xaa }, |
502 | { 0x13, 0xff }, /* AWB */ |
503 | |
504 | { 0x90, 0x05 }, |
505 | { 0x91, 0x01 }, |
506 | { 0x92, 0x03 }, |
507 | { 0x93, 0x00 }, |
508 | { 0x94, 0x60 }, |
509 | { 0x95, 0x3c }, |
510 | { 0x96, 0x24 }, |
511 | { 0x97, 0x1e }, |
512 | { 0x98, 0x62 }, |
513 | { 0x99, 0x80 }, |
514 | { 0x9a, 0x1e }, |
515 | { 0x9b, 0x08 }, |
516 | { 0x9c, 0x20 }, |
517 | { 0x9e, 0x81 }, |
518 | |
519 | { 0xa6, 0x07 }, |
520 | { 0x7e, 0x0c }, |
521 | { 0x7f, 0x16 }, |
522 | { 0x80, 0x2a }, |
523 | { 0x81, 0x4e }, |
524 | { 0x82, 0x61 }, |
525 | { 0x83, 0x6f }, |
526 | { 0x84, 0x7b }, |
527 | { 0x85, 0x86 }, |
528 | { 0x86, 0x8e }, |
529 | { 0x87, 0x97 }, |
530 | { 0x88, 0xa4 }, |
531 | { 0x89, 0xaf }, |
532 | { 0x8a, 0xc5 }, |
533 | { 0x8b, 0xd7 }, |
534 | { 0x8c, 0xe8 }, |
535 | { 0x8d, 0x20 }, |
536 | |
537 | { 0x2b, 0x00 }, |
538 | { 0x22, 0x7f }, |
539 | { 0x23, 0x03 }, |
540 | { 0x11, 0x01 }, |
541 | { 0x64, 0xff }, |
542 | { 0x0d, 0x41 }, |
543 | |
544 | { 0x14, 0x41 }, |
545 | { 0x0e, 0xcd }, |
546 | { 0xac, 0xbf }, |
547 | { 0x8e, 0x00 }, /* De-noise threshold */ |
548 | }; |
549 | static const u8 bridge_start_vga_yuyv_772x[][2] = { |
550 | {0x88, 0x00}, |
551 | {0x1c, 0x00}, |
552 | {0x1d, 0x40}, |
553 | {0x1d, 0x02}, |
554 | {0x1d, 0x00}, |
555 | {0x1d, 0x02}, |
556 | {0x1d, 0x58}, |
557 | {0x1d, 0x00}, |
558 | {0x8d, 0x1c}, |
559 | {0x8e, 0x80}, |
560 | {0xc0, 0x50}, |
561 | {0xc1, 0x3c}, |
562 | {0xc2, 0x0c}, |
563 | {0xc3, 0x69}, |
564 | }; |
565 | static const u8 sensor_start_vga_yuyv_772x[][2] = { |
566 | {0x12, 0x00}, |
567 | {0x17, 0x26}, |
568 | {0x18, 0xa0}, |
569 | {0x19, 0x07}, |
570 | {0x1a, 0xf0}, |
571 | {0x29, 0xa0}, |
572 | {0x2c, 0xf0}, |
573 | {0x65, 0x20}, |
574 | {0x67, 0x00}, |
575 | }; |
576 | static const u8 bridge_start_qvga_yuyv_772x[][2] = { |
577 | {0x88, 0x00}, |
578 | {0x1c, 0x00}, |
579 | {0x1d, 0x40}, |
580 | {0x1d, 0x02}, |
581 | {0x1d, 0x00}, |
582 | {0x1d, 0x01}, |
583 | {0x1d, 0x4b}, |
584 | {0x1d, 0x00}, |
585 | {0x8d, 0x1c}, |
586 | {0x8e, 0x80}, |
587 | {0xc0, 0x28}, |
588 | {0xc1, 0x1e}, |
589 | {0xc2, 0x0c}, |
590 | {0xc3, 0x69}, |
591 | }; |
592 | static const u8 sensor_start_qvga_yuyv_772x[][2] = { |
593 | {0x12, 0x40}, |
594 | {0x17, 0x3f}, |
595 | {0x18, 0x50}, |
596 | {0x19, 0x03}, |
597 | {0x1a, 0x78}, |
598 | {0x29, 0x50}, |
599 | {0x2c, 0x78}, |
600 | {0x65, 0x2f}, |
601 | {0x67, 0x00}, |
602 | }; |
603 | static const u8 bridge_start_vga_gbrg_772x[][2] = { |
604 | {0x88, 0x08}, |
605 | {0x1c, 0x00}, |
606 | {0x1d, 0x00}, |
607 | {0x1d, 0x02}, |
608 | {0x1d, 0x00}, |
609 | {0x1d, 0x01}, |
610 | {0x1d, 0x2c}, |
611 | {0x1d, 0x00}, |
612 | {0x8d, 0x00}, |
613 | {0x8e, 0x00}, |
614 | {0xc0, 0x50}, |
615 | {0xc1, 0x3c}, |
616 | {0xc2, 0x01}, |
617 | {0xc3, 0x01}, |
618 | }; |
619 | static const u8 sensor_start_vga_gbrg_772x[][2] = { |
620 | {0x12, 0x01}, |
621 | {0x17, 0x26}, |
622 | {0x18, 0xa0}, |
623 | {0x19, 0x07}, |
624 | {0x1a, 0xf0}, |
625 | {0x29, 0xa0}, |
626 | {0x2c, 0xf0}, |
627 | {0x65, 0x20}, |
628 | {0x67, 0x02}, |
629 | }; |
630 | static const u8 bridge_start_qvga_gbrg_772x[][2] = { |
631 | {0x88, 0x08}, |
632 | {0x1c, 0x00}, |
633 | {0x1d, 0x00}, |
634 | {0x1d, 0x02}, |
635 | {0x1d, 0x00}, |
636 | {0x1d, 0x00}, |
637 | {0x1d, 0x4b}, |
638 | {0x1d, 0x00}, |
639 | {0x8d, 0x00}, |
640 | {0x8e, 0x00}, |
641 | {0xc0, 0x28}, |
642 | {0xc1, 0x1e}, |
643 | {0xc2, 0x01}, |
644 | {0xc3, 0x01}, |
645 | }; |
646 | static const u8 sensor_start_qvga_gbrg_772x[][2] = { |
647 | {0x12, 0x41}, |
648 | {0x17, 0x3f}, |
649 | {0x18, 0x50}, |
650 | {0x19, 0x03}, |
651 | {0x1a, 0x78}, |
652 | {0x29, 0x50}, |
653 | {0x2c, 0x78}, |
654 | {0x65, 0x2f}, |
655 | {0x67, 0x02}, |
656 | }; |
657 | |
658 | static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) |
659 | { |
660 | struct usb_device *udev = gspca_dev->dev; |
661 | int ret; |
662 | |
663 | if (gspca_dev->usb_err < 0) |
664 | return; |
665 | |
666 | gspca_dbg(gspca_dev, D_USBO, "SET 01 0000 %04x %02x\n" , reg, val); |
667 | gspca_dev->usb_buf[0] = val; |
668 | ret = usb_control_msg(dev: udev, |
669 | usb_sndctrlpipe(udev, 0), |
670 | request: 0x01, |
671 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
672 | value: 0x00, index: reg, data: gspca_dev->usb_buf, size: 1, CTRL_TIMEOUT); |
673 | if (ret < 0) { |
674 | pr_err("write failed %d\n" , ret); |
675 | gspca_dev->usb_err = ret; |
676 | } |
677 | } |
678 | |
679 | static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) |
680 | { |
681 | struct usb_device *udev = gspca_dev->dev; |
682 | int ret; |
683 | |
684 | if (gspca_dev->usb_err < 0) |
685 | return 0; |
686 | ret = usb_control_msg(dev: udev, |
687 | usb_rcvctrlpipe(udev, 0), |
688 | request: 0x01, |
689 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
690 | value: 0x00, index: reg, data: gspca_dev->usb_buf, size: 1, CTRL_TIMEOUT); |
691 | gspca_dbg(gspca_dev, D_USBI, "GET 01 0000 %04x %02x\n" , |
692 | reg, gspca_dev->usb_buf[0]); |
693 | if (ret < 0) { |
694 | pr_err("read failed %d\n" , ret); |
695 | gspca_dev->usb_err = ret; |
696 | /* |
697 | * Make sure the result is zeroed to avoid uninitialized |
698 | * values. |
699 | */ |
700 | gspca_dev->usb_buf[0] = 0; |
701 | } |
702 | return gspca_dev->usb_buf[0]; |
703 | } |
704 | |
705 | /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. |
706 | * (direction and output)? */ |
707 | static void ov534_set_led(struct gspca_dev *gspca_dev, int status) |
708 | { |
709 | u8 data; |
710 | |
711 | gspca_dbg(gspca_dev, D_CONF, "led status: %d\n" , status); |
712 | |
713 | data = ov534_reg_read(gspca_dev, reg: 0x21); |
714 | data |= 0x80; |
715 | ov534_reg_write(gspca_dev, reg: 0x21, val: data); |
716 | |
717 | data = ov534_reg_read(gspca_dev, reg: 0x23); |
718 | if (status) |
719 | data |= 0x80; |
720 | else |
721 | data &= ~0x80; |
722 | |
723 | ov534_reg_write(gspca_dev, reg: 0x23, val: data); |
724 | |
725 | if (!status) { |
726 | data = ov534_reg_read(gspca_dev, reg: 0x21); |
727 | data &= ~0x80; |
728 | ov534_reg_write(gspca_dev, reg: 0x21, val: data); |
729 | } |
730 | } |
731 | |
732 | static int sccb_check_status(struct gspca_dev *gspca_dev) |
733 | { |
734 | u8 data; |
735 | int i; |
736 | |
737 | for (i = 0; i < 5; i++) { |
738 | usleep_range(min: 10000, max: 20000); |
739 | data = ov534_reg_read(gspca_dev, OV534_REG_STATUS); |
740 | |
741 | switch (data) { |
742 | case 0x00: |
743 | return 1; |
744 | case 0x04: |
745 | return 0; |
746 | case 0x03: |
747 | break; |
748 | default: |
749 | gspca_err(gspca_dev, "sccb status 0x%02x, attempt %d/5\n" , |
750 | data, i + 1); |
751 | } |
752 | } |
753 | return 0; |
754 | } |
755 | |
756 | static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) |
757 | { |
758 | gspca_dbg(gspca_dev, D_USBO, "sccb write: %02x %02x\n" , reg, val); |
759 | ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, val: reg); |
760 | ov534_reg_write(gspca_dev, OV534_REG_WRITE, val); |
761 | ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); |
762 | |
763 | if (!sccb_check_status(gspca_dev)) { |
764 | pr_err("sccb_reg_write failed\n" ); |
765 | gspca_dev->usb_err = -EIO; |
766 | } |
767 | } |
768 | |
769 | static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) |
770 | { |
771 | ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, val: reg); |
772 | ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); |
773 | if (!sccb_check_status(gspca_dev)) |
774 | pr_err("sccb_reg_read failed 1\n" ); |
775 | |
776 | ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); |
777 | if (!sccb_check_status(gspca_dev)) |
778 | pr_err("sccb_reg_read failed 2\n" ); |
779 | |
780 | return ov534_reg_read(gspca_dev, OV534_REG_READ); |
781 | } |
782 | |
783 | /* output a bridge sequence (reg - val) */ |
784 | static void reg_w_array(struct gspca_dev *gspca_dev, |
785 | const u8 (*data)[2], int len) |
786 | { |
787 | while (--len >= 0) { |
788 | ov534_reg_write(gspca_dev, reg: (*data)[0], val: (*data)[1]); |
789 | data++; |
790 | } |
791 | } |
792 | |
793 | /* output a sensor sequence (reg - val) */ |
794 | static void sccb_w_array(struct gspca_dev *gspca_dev, |
795 | const u8 (*data)[2], int len) |
796 | { |
797 | while (--len >= 0) { |
798 | if ((*data)[0] != 0xff) { |
799 | sccb_reg_write(gspca_dev, reg: (*data)[0], val: (*data)[1]); |
800 | } else { |
801 | sccb_reg_read(gspca_dev, reg: (*data)[1]); |
802 | sccb_reg_write(gspca_dev, reg: 0xff, val: 0x00); |
803 | } |
804 | data++; |
805 | } |
806 | } |
807 | |
808 | /* ov772x specific controls */ |
809 | static void set_frame_rate(struct gspca_dev *gspca_dev) |
810 | { |
811 | struct sd *sd = (struct sd *) gspca_dev; |
812 | int i; |
813 | struct rate_s { |
814 | u8 fps; |
815 | u8 r11; |
816 | u8 r0d; |
817 | u8 re5; |
818 | }; |
819 | const struct rate_s *r; |
820 | static const struct rate_s rate_0[] = { /* 640x480 */ |
821 | {60, 0x01, 0xc1, 0x04}, |
822 | {50, 0x01, 0x41, 0x02}, |
823 | {40, 0x02, 0xc1, 0x04}, |
824 | {30, 0x04, 0x81, 0x02}, |
825 | {15, 0x03, 0x41, 0x04}, |
826 | }; |
827 | static const struct rate_s rate_1[] = { /* 320x240 */ |
828 | /* {205, 0x01, 0xc1, 0x02}, * 205 FPS: video is partly corrupt */ |
829 | {187, 0x01, 0x81, 0x02}, /* 187 FPS or below: video is valid */ |
830 | {150, 0x01, 0xc1, 0x04}, |
831 | {137, 0x02, 0xc1, 0x02}, |
832 | {125, 0x02, 0x81, 0x02}, |
833 | {100, 0x02, 0xc1, 0x04}, |
834 | {75, 0x03, 0xc1, 0x04}, |
835 | {60, 0x04, 0xc1, 0x04}, |
836 | {50, 0x02, 0x41, 0x04}, |
837 | {37, 0x03, 0x41, 0x04}, |
838 | {30, 0x04, 0x41, 0x04}, |
839 | }; |
840 | |
841 | if (sd->sensor != SENSOR_OV772x) |
842 | return; |
843 | if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) { |
844 | r = rate_0; |
845 | i = ARRAY_SIZE(rate_0); |
846 | } else { |
847 | r = rate_1; |
848 | i = ARRAY_SIZE(rate_1); |
849 | } |
850 | while (--i > 0) { |
851 | if (sd->frame_rate >= r->fps) |
852 | break; |
853 | r++; |
854 | } |
855 | |
856 | sccb_reg_write(gspca_dev, reg: 0x11, val: r->r11); |
857 | sccb_reg_write(gspca_dev, reg: 0x0d, val: r->r0d); |
858 | ov534_reg_write(gspca_dev, reg: 0xe5, val: r->re5); |
859 | |
860 | gspca_dbg(gspca_dev, D_PROBE, "frame_rate: %d\n" , r->fps); |
861 | } |
862 | |
863 | static void sethue(struct gspca_dev *gspca_dev, s32 val) |
864 | { |
865 | struct sd *sd = (struct sd *) gspca_dev; |
866 | |
867 | if (sd->sensor == SENSOR_OV767x) { |
868 | /* TBD */ |
869 | } else { |
870 | s16 huesin; |
871 | s16 huecos; |
872 | |
873 | /* According to the datasheet the registers expect HUESIN and |
874 | * HUECOS to be the result of the trigonometric functions, |
875 | * scaled by 0x80. |
876 | * |
877 | * The 0x7fff here represents the maximum absolute value |
878 | * returned byt fixp_sin and fixp_cos, so the scaling will |
879 | * consider the result like in the interval [-1.0, 1.0]. |
880 | */ |
881 | huesin = fixp_sin16(val) * 0x80 / 0x7fff; |
882 | huecos = fixp_cos16(val) * 0x80 / 0x7fff; |
883 | |
884 | if (huesin < 0) { |
885 | sccb_reg_write(gspca_dev, reg: 0xab, |
886 | val: sccb_reg_read(gspca_dev, reg: 0xab) | 0x2); |
887 | huesin = -huesin; |
888 | } else { |
889 | sccb_reg_write(gspca_dev, reg: 0xab, |
890 | val: sccb_reg_read(gspca_dev, reg: 0xab) & ~0x2); |
891 | |
892 | } |
893 | sccb_reg_write(gspca_dev, reg: 0xa9, val: (u8)huecos); |
894 | sccb_reg_write(gspca_dev, reg: 0xaa, val: (u8)huesin); |
895 | } |
896 | } |
897 | |
898 | static void setsaturation(struct gspca_dev *gspca_dev, s32 val) |
899 | { |
900 | struct sd *sd = (struct sd *) gspca_dev; |
901 | |
902 | if (sd->sensor == SENSOR_OV767x) { |
903 | int i; |
904 | static u8 color_tb[][6] = { |
905 | {0x42, 0x42, 0x00, 0x11, 0x30, 0x41}, |
906 | {0x52, 0x52, 0x00, 0x16, 0x3c, 0x52}, |
907 | {0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66}, |
908 | {0x80, 0x80, 0x00, 0x22, 0x5e, 0x80}, |
909 | {0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a}, |
910 | {0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8}, |
911 | {0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd}, |
912 | }; |
913 | |
914 | for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++) |
915 | sccb_reg_write(gspca_dev, reg: 0x4f + i, val: color_tb[val][i]); |
916 | } else { |
917 | sccb_reg_write(gspca_dev, reg: 0xa7, val); /* U saturation */ |
918 | sccb_reg_write(gspca_dev, reg: 0xa8, val); /* V saturation */ |
919 | } |
920 | } |
921 | |
922 | static void setbrightness(struct gspca_dev *gspca_dev, s32 val) |
923 | { |
924 | struct sd *sd = (struct sd *) gspca_dev; |
925 | |
926 | if (sd->sensor == SENSOR_OV767x) { |
927 | if (val < 0) |
928 | val = 0x80 - val; |
929 | sccb_reg_write(gspca_dev, reg: 0x55, val); /* bright */ |
930 | } else { |
931 | sccb_reg_write(gspca_dev, reg: 0x9b, val); |
932 | } |
933 | } |
934 | |
935 | static void setcontrast(struct gspca_dev *gspca_dev, s32 val) |
936 | { |
937 | struct sd *sd = (struct sd *) gspca_dev; |
938 | |
939 | if (sd->sensor == SENSOR_OV767x) |
940 | sccb_reg_write(gspca_dev, reg: 0x56, val); /* contras */ |
941 | else |
942 | sccb_reg_write(gspca_dev, reg: 0x9c, val); |
943 | } |
944 | |
945 | static void setgain(struct gspca_dev *gspca_dev, s32 val) |
946 | { |
947 | switch (val & 0x30) { |
948 | case 0x00: |
949 | val &= 0x0f; |
950 | break; |
951 | case 0x10: |
952 | val &= 0x0f; |
953 | val |= 0x30; |
954 | break; |
955 | case 0x20: |
956 | val &= 0x0f; |
957 | val |= 0x70; |
958 | break; |
959 | default: |
960 | /* case 0x30: */ |
961 | val &= 0x0f; |
962 | val |= 0xf0; |
963 | break; |
964 | } |
965 | sccb_reg_write(gspca_dev, reg: 0x00, val); |
966 | } |
967 | |
968 | static s32 getgain(struct gspca_dev *gspca_dev) |
969 | { |
970 | return sccb_reg_read(gspca_dev, reg: 0x00); |
971 | } |
972 | |
973 | static void setexposure(struct gspca_dev *gspca_dev, s32 val) |
974 | { |
975 | struct sd *sd = (struct sd *) gspca_dev; |
976 | |
977 | if (sd->sensor == SENSOR_OV767x) { |
978 | |
979 | /* set only aec[9:2] */ |
980 | sccb_reg_write(gspca_dev, reg: 0x10, val); /* aech */ |
981 | } else { |
982 | |
983 | /* 'val' is one byte and represents half of the exposure value |
984 | * we are going to set into registers, a two bytes value: |
985 | * |
986 | * MSB: ((u16) val << 1) >> 8 == val >> 7 |
987 | * LSB: ((u16) val << 1) & 0xff == val << 1 |
988 | */ |
989 | sccb_reg_write(gspca_dev, reg: 0x08, val: val >> 7); |
990 | sccb_reg_write(gspca_dev, reg: 0x10, val: val << 1); |
991 | } |
992 | } |
993 | |
994 | static s32 getexposure(struct gspca_dev *gspca_dev) |
995 | { |
996 | struct sd *sd = (struct sd *) gspca_dev; |
997 | |
998 | if (sd->sensor == SENSOR_OV767x) { |
999 | /* get only aec[9:2] */ |
1000 | return sccb_reg_read(gspca_dev, reg: 0x10); /* aech */ |
1001 | } else { |
1002 | u8 hi = sccb_reg_read(gspca_dev, reg: 0x08); |
1003 | u8 lo = sccb_reg_read(gspca_dev, reg: 0x10); |
1004 | return (hi << 8 | lo) >> 1; |
1005 | } |
1006 | } |
1007 | |
1008 | static void setagc(struct gspca_dev *gspca_dev, s32 val) |
1009 | { |
1010 | if (val) { |
1011 | sccb_reg_write(gspca_dev, reg: 0x13, |
1012 | val: sccb_reg_read(gspca_dev, reg: 0x13) | 0x04); |
1013 | sccb_reg_write(gspca_dev, reg: 0x64, |
1014 | val: sccb_reg_read(gspca_dev, reg: 0x64) | 0x03); |
1015 | } else { |
1016 | sccb_reg_write(gspca_dev, reg: 0x13, |
1017 | val: sccb_reg_read(gspca_dev, reg: 0x13) & ~0x04); |
1018 | sccb_reg_write(gspca_dev, reg: 0x64, |
1019 | val: sccb_reg_read(gspca_dev, reg: 0x64) & ~0x03); |
1020 | } |
1021 | } |
1022 | |
1023 | static void setawb(struct gspca_dev *gspca_dev, s32 val) |
1024 | { |
1025 | struct sd *sd = (struct sd *) gspca_dev; |
1026 | |
1027 | if (val) { |
1028 | sccb_reg_write(gspca_dev, reg: 0x13, |
1029 | val: sccb_reg_read(gspca_dev, reg: 0x13) | 0x02); |
1030 | if (sd->sensor == SENSOR_OV772x) |
1031 | sccb_reg_write(gspca_dev, reg: 0x63, |
1032 | val: sccb_reg_read(gspca_dev, reg: 0x63) | 0xc0); |
1033 | } else { |
1034 | sccb_reg_write(gspca_dev, reg: 0x13, |
1035 | val: sccb_reg_read(gspca_dev, reg: 0x13) & ~0x02); |
1036 | if (sd->sensor == SENSOR_OV772x) |
1037 | sccb_reg_write(gspca_dev, reg: 0x63, |
1038 | val: sccb_reg_read(gspca_dev, reg: 0x63) & ~0xc0); |
1039 | } |
1040 | } |
1041 | |
1042 | static void setaec(struct gspca_dev *gspca_dev, s32 val) |
1043 | { |
1044 | struct sd *sd = (struct sd *) gspca_dev; |
1045 | u8 data; |
1046 | |
1047 | data = sd->sensor == SENSOR_OV767x ? |
1048 | 0x05 : /* agc + aec */ |
1049 | 0x01; /* agc */ |
1050 | switch (val) { |
1051 | case V4L2_EXPOSURE_AUTO: |
1052 | sccb_reg_write(gspca_dev, reg: 0x13, |
1053 | val: sccb_reg_read(gspca_dev, reg: 0x13) | data); |
1054 | break; |
1055 | case V4L2_EXPOSURE_MANUAL: |
1056 | sccb_reg_write(gspca_dev, reg: 0x13, |
1057 | val: sccb_reg_read(gspca_dev, reg: 0x13) & ~data); |
1058 | break; |
1059 | } |
1060 | } |
1061 | |
1062 | static void setsharpness(struct gspca_dev *gspca_dev, s32 val) |
1063 | { |
1064 | sccb_reg_write(gspca_dev, reg: 0x91, val); /* Auto de-noise threshold */ |
1065 | sccb_reg_write(gspca_dev, reg: 0x8e, val); /* De-noise threshold */ |
1066 | } |
1067 | |
1068 | static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip) |
1069 | { |
1070 | struct sd *sd = (struct sd *) gspca_dev; |
1071 | u8 val; |
1072 | |
1073 | if (sd->sensor == SENSOR_OV767x) { |
1074 | val = sccb_reg_read(gspca_dev, reg: 0x1e); /* mvfp */ |
1075 | val &= ~0x30; |
1076 | if (hflip) |
1077 | val |= 0x20; |
1078 | if (vflip) |
1079 | val |= 0x10; |
1080 | sccb_reg_write(gspca_dev, reg: 0x1e, val); |
1081 | } else { |
1082 | val = sccb_reg_read(gspca_dev, reg: 0x0c); |
1083 | val &= ~0xc0; |
1084 | if (hflip == 0) |
1085 | val |= 0x40; |
1086 | if (vflip == 0) |
1087 | val |= 0x80; |
1088 | sccb_reg_write(gspca_dev, reg: 0x0c, val); |
1089 | } |
1090 | } |
1091 | |
1092 | static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) |
1093 | { |
1094 | struct sd *sd = (struct sd *) gspca_dev; |
1095 | |
1096 | val = val ? 0x9e : 0x00; |
1097 | if (sd->sensor == SENSOR_OV767x) { |
1098 | sccb_reg_write(gspca_dev, reg: 0x2a, val: 0x00); |
1099 | if (val) |
1100 | val = 0x9d; /* insert dummy to 25fps for 50Hz */ |
1101 | } |
1102 | sccb_reg_write(gspca_dev, reg: 0x2b, val); |
1103 | } |
1104 | |
1105 | |
1106 | /* this function is called at probe time */ |
1107 | static int sd_config(struct gspca_dev *gspca_dev, |
1108 | const struct usb_device_id *id) |
1109 | { |
1110 | struct sd *sd = (struct sd *) gspca_dev; |
1111 | struct cam *cam; |
1112 | |
1113 | cam = &gspca_dev->cam; |
1114 | |
1115 | cam->cam_mode = ov772x_mode; |
1116 | cam->nmodes = ARRAY_SIZE(ov772x_mode); |
1117 | |
1118 | sd->frame_rate = DEFAULT_FRAME_RATE; |
1119 | |
1120 | return 0; |
1121 | } |
1122 | |
1123 | static int ov534_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
1124 | { |
1125 | struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); |
1126 | struct gspca_dev *gspca_dev = &sd->gspca_dev; |
1127 | |
1128 | switch (ctrl->id) { |
1129 | case V4L2_CID_AUTOGAIN: |
1130 | gspca_dev->usb_err = 0; |
1131 | if (ctrl->val && sd->gain && gspca_dev->streaming) |
1132 | sd->gain->val = getgain(gspca_dev); |
1133 | return gspca_dev->usb_err; |
1134 | |
1135 | case V4L2_CID_EXPOSURE_AUTO: |
1136 | gspca_dev->usb_err = 0; |
1137 | if (ctrl->val == V4L2_EXPOSURE_AUTO && sd->exposure && |
1138 | gspca_dev->streaming) |
1139 | sd->exposure->val = getexposure(gspca_dev); |
1140 | return gspca_dev->usb_err; |
1141 | } |
1142 | return -EINVAL; |
1143 | } |
1144 | |
1145 | static int ov534_s_ctrl(struct v4l2_ctrl *ctrl) |
1146 | { |
1147 | struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); |
1148 | struct gspca_dev *gspca_dev = &sd->gspca_dev; |
1149 | |
1150 | gspca_dev->usb_err = 0; |
1151 | if (!gspca_dev->streaming) |
1152 | return 0; |
1153 | |
1154 | switch (ctrl->id) { |
1155 | case V4L2_CID_HUE: |
1156 | sethue(gspca_dev, val: ctrl->val); |
1157 | break; |
1158 | case V4L2_CID_SATURATION: |
1159 | setsaturation(gspca_dev, val: ctrl->val); |
1160 | break; |
1161 | case V4L2_CID_BRIGHTNESS: |
1162 | setbrightness(gspca_dev, val: ctrl->val); |
1163 | break; |
1164 | case V4L2_CID_CONTRAST: |
1165 | setcontrast(gspca_dev, val: ctrl->val); |
1166 | break; |
1167 | case V4L2_CID_AUTOGAIN: |
1168 | /* case V4L2_CID_GAIN: */ |
1169 | setagc(gspca_dev, val: ctrl->val); |
1170 | if (!gspca_dev->usb_err && !ctrl->val && sd->gain) |
1171 | setgain(gspca_dev, val: sd->gain->val); |
1172 | break; |
1173 | case V4L2_CID_AUTO_WHITE_BALANCE: |
1174 | setawb(gspca_dev, val: ctrl->val); |
1175 | break; |
1176 | case V4L2_CID_EXPOSURE_AUTO: |
1177 | /* case V4L2_CID_EXPOSURE: */ |
1178 | setaec(gspca_dev, val: ctrl->val); |
1179 | if (!gspca_dev->usb_err && ctrl->val == V4L2_EXPOSURE_MANUAL && |
1180 | sd->exposure) |
1181 | setexposure(gspca_dev, val: sd->exposure->val); |
1182 | break; |
1183 | case V4L2_CID_SHARPNESS: |
1184 | setsharpness(gspca_dev, val: ctrl->val); |
1185 | break; |
1186 | case V4L2_CID_HFLIP: |
1187 | sethvflip(gspca_dev, hflip: ctrl->val, vflip: sd->vflip->val); |
1188 | break; |
1189 | case V4L2_CID_VFLIP: |
1190 | sethvflip(gspca_dev, hflip: sd->hflip->val, vflip: ctrl->val); |
1191 | break; |
1192 | case V4L2_CID_POWER_LINE_FREQUENCY: |
1193 | setlightfreq(gspca_dev, val: ctrl->val); |
1194 | break; |
1195 | } |
1196 | return gspca_dev->usb_err; |
1197 | } |
1198 | |
1199 | static const struct v4l2_ctrl_ops ov534_ctrl_ops = { |
1200 | .g_volatile_ctrl = ov534_g_volatile_ctrl, |
1201 | .s_ctrl = ov534_s_ctrl, |
1202 | }; |
1203 | |
1204 | static int sd_init_controls(struct gspca_dev *gspca_dev) |
1205 | { |
1206 | struct sd *sd = (struct sd *) gspca_dev; |
1207 | struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler; |
1208 | /* parameters with different values between the supported sensors */ |
1209 | int saturation_min; |
1210 | int saturation_max; |
1211 | int saturation_def; |
1212 | int brightness_min; |
1213 | int brightness_max; |
1214 | int brightness_def; |
1215 | int contrast_max; |
1216 | int contrast_def; |
1217 | int exposure_min; |
1218 | int exposure_max; |
1219 | int exposure_def; |
1220 | int hflip_def; |
1221 | |
1222 | if (sd->sensor == SENSOR_OV767x) { |
1223 | saturation_min = 0; |
1224 | saturation_max = 6; |
1225 | saturation_def = 3; |
1226 | brightness_min = -127; |
1227 | brightness_max = 127; |
1228 | brightness_def = 0; |
1229 | contrast_max = 0x80; |
1230 | contrast_def = 0x40; |
1231 | exposure_min = 0x08; |
1232 | exposure_max = 0x60; |
1233 | exposure_def = 0x13; |
1234 | hflip_def = 1; |
1235 | } else { |
1236 | saturation_min = 0; |
1237 | saturation_max = 255; |
1238 | saturation_def = 64; |
1239 | brightness_min = 0; |
1240 | brightness_max = 255; |
1241 | brightness_def = 0; |
1242 | contrast_max = 255; |
1243 | contrast_def = 32; |
1244 | exposure_min = 0; |
1245 | exposure_max = 255; |
1246 | exposure_def = 120; |
1247 | hflip_def = 0; |
1248 | } |
1249 | |
1250 | gspca_dev->vdev.ctrl_handler = hdl; |
1251 | |
1252 | v4l2_ctrl_handler_init(hdl, 13); |
1253 | |
1254 | if (sd->sensor == SENSOR_OV772x) |
1255 | sd->hue = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1256 | V4L2_CID_HUE, min: -90, max: 90, step: 1, def: 0); |
1257 | |
1258 | sd->saturation = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1259 | V4L2_CID_SATURATION, min: saturation_min, max: saturation_max, step: 1, |
1260 | def: saturation_def); |
1261 | sd->brightness = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1262 | V4L2_CID_BRIGHTNESS, min: brightness_min, max: brightness_max, step: 1, |
1263 | def: brightness_def); |
1264 | sd->contrast = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1265 | V4L2_CID_CONTRAST, min: 0, max: contrast_max, step: 1, def: contrast_def); |
1266 | |
1267 | if (sd->sensor == SENSOR_OV772x) { |
1268 | sd->autogain = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1269 | V4L2_CID_AUTOGAIN, min: 0, max: 1, step: 1, def: 1); |
1270 | sd->gain = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1271 | V4L2_CID_GAIN, min: 0, max: 63, step: 1, def: 20); |
1272 | } |
1273 | |
1274 | sd->autoexposure = v4l2_ctrl_new_std_menu(hdl, ops: &ov534_ctrl_ops, |
1275 | V4L2_CID_EXPOSURE_AUTO, |
1276 | max: V4L2_EXPOSURE_MANUAL, mask: 0, |
1277 | def: V4L2_EXPOSURE_AUTO); |
1278 | sd->exposure = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1279 | V4L2_CID_EXPOSURE, min: exposure_min, max: exposure_max, step: 1, |
1280 | def: exposure_def); |
1281 | |
1282 | sd->autowhitebalance = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1283 | V4L2_CID_AUTO_WHITE_BALANCE, min: 0, max: 1, step: 1, def: 1); |
1284 | |
1285 | if (sd->sensor == SENSOR_OV772x) |
1286 | sd->sharpness = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1287 | V4L2_CID_SHARPNESS, min: 0, max: 63, step: 1, def: 0); |
1288 | |
1289 | sd->hflip = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1290 | V4L2_CID_HFLIP, min: 0, max: 1, step: 1, def: hflip_def); |
1291 | sd->vflip = v4l2_ctrl_new_std(hdl, ops: &ov534_ctrl_ops, |
1292 | V4L2_CID_VFLIP, min: 0, max: 1, step: 1, def: 0); |
1293 | sd->plfreq = v4l2_ctrl_new_std_menu(hdl, ops: &ov534_ctrl_ops, |
1294 | V4L2_CID_POWER_LINE_FREQUENCY, |
1295 | max: V4L2_CID_POWER_LINE_FREQUENCY_50HZ, mask: 0, |
1296 | def: V4L2_CID_POWER_LINE_FREQUENCY_DISABLED); |
1297 | |
1298 | if (hdl->error) { |
1299 | pr_err("Could not initialize controls\n" ); |
1300 | return hdl->error; |
1301 | } |
1302 | |
1303 | if (sd->sensor == SENSOR_OV772x) |
1304 | v4l2_ctrl_auto_cluster(ncontrols: 2, controls: &sd->autogain, manual_val: 0, set_volatile: true); |
1305 | |
1306 | v4l2_ctrl_auto_cluster(ncontrols: 2, controls: &sd->autoexposure, manual_val: V4L2_EXPOSURE_MANUAL, |
1307 | set_volatile: true); |
1308 | |
1309 | return 0; |
1310 | } |
1311 | |
1312 | /* this function is called at probe and resume time */ |
1313 | static int sd_init(struct gspca_dev *gspca_dev) |
1314 | { |
1315 | struct sd *sd = (struct sd *) gspca_dev; |
1316 | u16 sensor_id; |
1317 | static const struct reg_array bridge_init[NSENSORS] = { |
1318 | [SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)}, |
1319 | [SENSOR_OV772x] = {.val: bridge_init_772x, ARRAY_SIZE(bridge_init_772x)}, |
1320 | }; |
1321 | static const struct reg_array sensor_init[NSENSORS] = { |
1322 | [SENSOR_OV767x] = {.val: sensor_init_767x, ARRAY_SIZE(sensor_init_767x)}, |
1323 | [SENSOR_OV772x] = {.val: sensor_init_772x, ARRAY_SIZE(sensor_init_772x)}, |
1324 | }; |
1325 | |
1326 | /* reset bridge */ |
1327 | ov534_reg_write(gspca_dev, reg: 0xe7, val: 0x3a); |
1328 | ov534_reg_write(gspca_dev, reg: 0xe0, val: 0x08); |
1329 | msleep(msecs: 100); |
1330 | |
1331 | /* initialize the sensor address */ |
1332 | ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, val: 0x42); |
1333 | |
1334 | /* reset sensor */ |
1335 | sccb_reg_write(gspca_dev, reg: 0x12, val: 0x80); |
1336 | usleep_range(min: 10000, max: 20000); |
1337 | |
1338 | /* probe the sensor */ |
1339 | sccb_reg_read(gspca_dev, reg: 0x0a); |
1340 | sensor_id = sccb_reg_read(gspca_dev, reg: 0x0a) << 8; |
1341 | sccb_reg_read(gspca_dev, reg: 0x0b); |
1342 | sensor_id |= sccb_reg_read(gspca_dev, reg: 0x0b); |
1343 | gspca_dbg(gspca_dev, D_PROBE, "Sensor ID: %04x\n" , sensor_id); |
1344 | |
1345 | if ((sensor_id & 0xfff0) == 0x7670) { |
1346 | sd->sensor = SENSOR_OV767x; |
1347 | gspca_dev->cam.cam_mode = ov767x_mode; |
1348 | gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode); |
1349 | } else { |
1350 | sd->sensor = SENSOR_OV772x; |
1351 | gspca_dev->cam.bulk = 1; |
1352 | gspca_dev->cam.bulk_size = 16384; |
1353 | gspca_dev->cam.bulk_nurbs = 2; |
1354 | gspca_dev->cam.mode_framerates = ov772x_framerates; |
1355 | } |
1356 | |
1357 | /* initialize */ |
1358 | reg_w_array(gspca_dev, data: bridge_init[sd->sensor].val, |
1359 | len: bridge_init[sd->sensor].len); |
1360 | ov534_set_led(gspca_dev, status: 1); |
1361 | sccb_w_array(gspca_dev, data: sensor_init[sd->sensor].val, |
1362 | len: sensor_init[sd->sensor].len); |
1363 | |
1364 | sd_stopN(gspca_dev); |
1365 | /* set_frame_rate(gspca_dev); */ |
1366 | |
1367 | return gspca_dev->usb_err; |
1368 | } |
1369 | |
1370 | static int sd_start(struct gspca_dev *gspca_dev) |
1371 | { |
1372 | struct sd *sd = (struct sd *) gspca_dev; |
1373 | int mode; |
1374 | static const struct reg_array bridge_start[NSENSORS][4] = { |
1375 | [SENSOR_OV767x] = {{bridge_start_qvga_767x, |
1376 | ARRAY_SIZE(bridge_start_qvga_767x)}, |
1377 | {bridge_start_vga_767x, |
1378 | ARRAY_SIZE(bridge_start_vga_767x)}}, |
1379 | [SENSOR_OV772x] = {{bridge_start_qvga_yuyv_772x, |
1380 | ARRAY_SIZE(bridge_start_qvga_yuyv_772x)}, |
1381 | {bridge_start_vga_yuyv_772x, |
1382 | ARRAY_SIZE(bridge_start_vga_yuyv_772x)}, |
1383 | {bridge_start_qvga_gbrg_772x, |
1384 | ARRAY_SIZE(bridge_start_qvga_gbrg_772x)}, |
1385 | {bridge_start_vga_gbrg_772x, |
1386 | ARRAY_SIZE(bridge_start_vga_gbrg_772x)} }, |
1387 | }; |
1388 | static const struct reg_array sensor_start[NSENSORS][4] = { |
1389 | [SENSOR_OV767x] = {{sensor_start_qvga_767x, |
1390 | ARRAY_SIZE(sensor_start_qvga_767x)}, |
1391 | {sensor_start_vga_767x, |
1392 | ARRAY_SIZE(sensor_start_vga_767x)}}, |
1393 | [SENSOR_OV772x] = {{sensor_start_qvga_yuyv_772x, |
1394 | ARRAY_SIZE(sensor_start_qvga_yuyv_772x)}, |
1395 | {sensor_start_vga_yuyv_772x, |
1396 | ARRAY_SIZE(sensor_start_vga_yuyv_772x)}, |
1397 | {sensor_start_qvga_gbrg_772x, |
1398 | ARRAY_SIZE(sensor_start_qvga_gbrg_772x)}, |
1399 | {sensor_start_vga_gbrg_772x, |
1400 | ARRAY_SIZE(sensor_start_vga_gbrg_772x)} }, |
1401 | }; |
1402 | |
1403 | /* (from ms-win trace) */ |
1404 | if (sd->sensor == SENSOR_OV767x) |
1405 | sccb_reg_write(gspca_dev, reg: 0x1e, val: 0x04); |
1406 | /* black sun enable ? */ |
1407 | |
1408 | mode = gspca_dev->curr_mode; /* 0: 320x240, 1: 640x480 */ |
1409 | reg_w_array(gspca_dev, data: bridge_start[sd->sensor][mode].val, |
1410 | len: bridge_start[sd->sensor][mode].len); |
1411 | sccb_w_array(gspca_dev, data: sensor_start[sd->sensor][mode].val, |
1412 | len: sensor_start[sd->sensor][mode].len); |
1413 | |
1414 | set_frame_rate(gspca_dev); |
1415 | |
1416 | if (sd->hue) |
1417 | sethue(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->hue)); |
1418 | setsaturation(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->saturation)); |
1419 | if (sd->autogain) |
1420 | setagc(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->autogain)); |
1421 | setawb(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->autowhitebalance)); |
1422 | setaec(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->autoexposure)); |
1423 | if (sd->gain) |
1424 | setgain(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->gain)); |
1425 | setexposure(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->exposure)); |
1426 | setbrightness(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->brightness)); |
1427 | setcontrast(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->contrast)); |
1428 | if (sd->sharpness) |
1429 | setsharpness(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->sharpness)); |
1430 | sethvflip(gspca_dev, hflip: v4l2_ctrl_g_ctrl(ctrl: sd->hflip), |
1431 | vflip: v4l2_ctrl_g_ctrl(ctrl: sd->vflip)); |
1432 | setlightfreq(gspca_dev, val: v4l2_ctrl_g_ctrl(ctrl: sd->plfreq)); |
1433 | |
1434 | ov534_set_led(gspca_dev, status: 1); |
1435 | ov534_reg_write(gspca_dev, reg: 0xe0, val: 0x00); |
1436 | return gspca_dev->usb_err; |
1437 | } |
1438 | |
1439 | static void sd_stopN(struct gspca_dev *gspca_dev) |
1440 | { |
1441 | ov534_reg_write(gspca_dev, reg: 0xe0, val: 0x09); |
1442 | ov534_set_led(gspca_dev, status: 0); |
1443 | } |
1444 | |
1445 | /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ |
1446 | #define UVC_STREAM_EOH (1 << 7) |
1447 | #define UVC_STREAM_ERR (1 << 6) |
1448 | #define UVC_STREAM_STI (1 << 5) |
1449 | #define UVC_STREAM_RES (1 << 4) |
1450 | #define UVC_STREAM_SCR (1 << 3) |
1451 | #define UVC_STREAM_PTS (1 << 2) |
1452 | #define UVC_STREAM_EOF (1 << 1) |
1453 | #define UVC_STREAM_FID (1 << 0) |
1454 | |
1455 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
1456 | u8 *data, int len) |
1457 | { |
1458 | struct sd *sd = (struct sd *) gspca_dev; |
1459 | __u32 this_pts; |
1460 | u16 this_fid; |
1461 | int remaining_len = len; |
1462 | int payload_len; |
1463 | |
1464 | payload_len = gspca_dev->cam.bulk ? 2048 : 2040; |
1465 | do { |
1466 | len = min(remaining_len, payload_len); |
1467 | |
1468 | /* Payloads are prefixed with a UVC-style header. We |
1469 | consider a frame to start when the FID toggles, or the PTS |
1470 | changes. A frame ends when EOF is set, and we've received |
1471 | the correct number of bytes. */ |
1472 | |
1473 | /* Verify UVC header. Header length is always 12 */ |
1474 | if (data[0] != 12 || len < 12) { |
1475 | gspca_dbg(gspca_dev, D_PACK, "bad header\n" ); |
1476 | goto discard; |
1477 | } |
1478 | |
1479 | /* Check errors */ |
1480 | if (data[1] & UVC_STREAM_ERR) { |
1481 | gspca_dbg(gspca_dev, D_PACK, "payload error\n" ); |
1482 | goto discard; |
1483 | } |
1484 | |
1485 | /* Extract PTS and FID */ |
1486 | if (!(data[1] & UVC_STREAM_PTS)) { |
1487 | gspca_dbg(gspca_dev, D_PACK, "PTS not present\n" ); |
1488 | goto discard; |
1489 | } |
1490 | this_pts = (data[5] << 24) | (data[4] << 16) |
1491 | | (data[3] << 8) | data[2]; |
1492 | this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0; |
1493 | |
1494 | /* If PTS or FID has changed, start a new frame. */ |
1495 | if (this_pts != sd->last_pts || this_fid != sd->last_fid) { |
1496 | if (gspca_dev->last_packet_type == INTER_PACKET) |
1497 | gspca_frame_add(gspca_dev, packet_type: LAST_PACKET, |
1498 | NULL, len: 0); |
1499 | sd->last_pts = this_pts; |
1500 | sd->last_fid = this_fid; |
1501 | gspca_frame_add(gspca_dev, packet_type: FIRST_PACKET, |
1502 | data: data + 12, len: len - 12); |
1503 | /* If this packet is marked as EOF, end the frame */ |
1504 | } else if (data[1] & UVC_STREAM_EOF) { |
1505 | sd->last_pts = 0; |
1506 | if (gspca_dev->pixfmt.pixelformat != V4L2_PIX_FMT_JPEG |
1507 | && gspca_dev->image_len + len - 12 != |
1508 | gspca_dev->pixfmt.sizeimage) { |
1509 | gspca_dbg(gspca_dev, D_PACK, "wrong sized frame\n" ); |
1510 | goto discard; |
1511 | } |
1512 | gspca_frame_add(gspca_dev, packet_type: LAST_PACKET, |
1513 | data: data + 12, len: len - 12); |
1514 | } else { |
1515 | |
1516 | /* Add the data from this payload */ |
1517 | gspca_frame_add(gspca_dev, packet_type: INTER_PACKET, |
1518 | data: data + 12, len: len - 12); |
1519 | } |
1520 | |
1521 | /* Done this payload */ |
1522 | goto scan_next; |
1523 | |
1524 | discard: |
1525 | /* Discard data until a new frame starts. */ |
1526 | gspca_dev->last_packet_type = DISCARD_PACKET; |
1527 | |
1528 | scan_next: |
1529 | remaining_len -= len; |
1530 | data += len; |
1531 | } while (remaining_len > 0); |
1532 | } |
1533 | |
1534 | /* get stream parameters (framerate) */ |
1535 | static void sd_get_streamparm(struct gspca_dev *gspca_dev, |
1536 | struct v4l2_streamparm *parm) |
1537 | { |
1538 | struct v4l2_captureparm *cp = &parm->parm.capture; |
1539 | struct v4l2_fract *tpf = &cp->timeperframe; |
1540 | struct sd *sd = (struct sd *) gspca_dev; |
1541 | |
1542 | tpf->numerator = 1; |
1543 | tpf->denominator = sd->frame_rate; |
1544 | } |
1545 | |
1546 | /* set stream parameters (framerate) */ |
1547 | static void sd_set_streamparm(struct gspca_dev *gspca_dev, |
1548 | struct v4l2_streamparm *parm) |
1549 | { |
1550 | struct v4l2_captureparm *cp = &parm->parm.capture; |
1551 | struct v4l2_fract *tpf = &cp->timeperframe; |
1552 | struct sd *sd = (struct sd *) gspca_dev; |
1553 | |
1554 | if (tpf->numerator == 0 || tpf->denominator == 0) |
1555 | sd->frame_rate = DEFAULT_FRAME_RATE; |
1556 | else |
1557 | sd->frame_rate = tpf->denominator / tpf->numerator; |
1558 | |
1559 | if (gspca_dev->streaming) |
1560 | set_frame_rate(gspca_dev); |
1561 | |
1562 | /* Return the actual framerate */ |
1563 | tpf->numerator = 1; |
1564 | tpf->denominator = sd->frame_rate; |
1565 | } |
1566 | |
1567 | /* sub-driver description */ |
1568 | static const struct sd_desc sd_desc = { |
1569 | .name = MODULE_NAME, |
1570 | .config = sd_config, |
1571 | .init = sd_init, |
1572 | .init_controls = sd_init_controls, |
1573 | .start = sd_start, |
1574 | .stopN = sd_stopN, |
1575 | .pkt_scan = sd_pkt_scan, |
1576 | .get_streamparm = sd_get_streamparm, |
1577 | .set_streamparm = sd_set_streamparm, |
1578 | }; |
1579 | |
1580 | /* -- module initialisation -- */ |
1581 | static const struct usb_device_id device_table[] = { |
1582 | {USB_DEVICE(0x1415, 0x2000)}, |
1583 | {USB_DEVICE(0x06f8, 0x3002)}, |
1584 | {} |
1585 | }; |
1586 | |
1587 | MODULE_DEVICE_TABLE(usb, device_table); |
1588 | |
1589 | /* -- device connect -- */ |
1590 | static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) |
1591 | { |
1592 | return gspca_dev_probe(intf, id, sd_desc: &sd_desc, dev_size: sizeof(struct sd), |
1593 | THIS_MODULE); |
1594 | } |
1595 | |
1596 | static struct usb_driver sd_driver = { |
1597 | .name = MODULE_NAME, |
1598 | .id_table = device_table, |
1599 | .probe = sd_probe, |
1600 | .disconnect = gspca_disconnect, |
1601 | #ifdef CONFIG_PM |
1602 | .suspend = gspca_suspend, |
1603 | .resume = gspca_resume, |
1604 | .reset_resume = gspca_resume, |
1605 | #endif |
1606 | }; |
1607 | |
1608 | module_usb_driver(sd_driver); |
1609 | |