xref: /openbmc/linux/drivers/media/usb/gspca/ov534_9.c (revision cfbb9be8)
1 /*
2  * ov534-ov9xxx gspca driver
3  *
4  * Copyright (C) 2009-2011 Jean-Francois Moine http://moinejf.free.fr
5  * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
6  * Copyright (C) 2008 Jim Paris <jim@jtan.com>
7  *
8  * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
9  * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
10  * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  */
22 
23 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
24 
25 #define MODULE_NAME "ov534_9"
26 
27 #include "gspca.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 
42 MODULE_AUTHOR("Jean-Francois Moine <moinejf@free.fr>");
43 MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver");
44 MODULE_LICENSE("GPL");
45 
46 /* specific webcam descriptor */
47 struct sd {
48 	struct gspca_dev gspca_dev;	/* !! must be the first item */
49 	__u32 last_pts;
50 	u8 last_fid;
51 
52 	u8 sensor;
53 };
54 enum sensors {
55 	SENSOR_OV965x,		/* ov9657 */
56 	SENSOR_OV971x,		/* ov9712 */
57 	SENSOR_OV562x,		/* ov5621 */
58 	SENSOR_OV361x,		/* ov3610 */
59 	NSENSORS
60 };
61 
62 static const struct v4l2_pix_format ov965x_mode[] = {
63 #define QVGA_MODE 0
64 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
65 		.bytesperline = 320,
66 		.sizeimage = 320 * 240 * 3 / 8 + 590,
67 		.colorspace = V4L2_COLORSPACE_JPEG},
68 #define VGA_MODE 1
69 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
70 		.bytesperline = 640,
71 		.sizeimage = 640 * 480 * 3 / 8 + 590,
72 		.colorspace = V4L2_COLORSPACE_JPEG},
73 #define SVGA_MODE 2
74 	{800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
75 		.bytesperline = 800,
76 		.sizeimage = 800 * 600 * 3 / 8 + 590,
77 		.colorspace = V4L2_COLORSPACE_JPEG},
78 #define XGA_MODE 3
79 	{1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
80 		.bytesperline = 1024,
81 		.sizeimage = 1024 * 768 * 3 / 8 + 590,
82 		.colorspace = V4L2_COLORSPACE_JPEG},
83 #define SXGA_MODE 4
84 	{1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
85 		.bytesperline = 1280,
86 		.sizeimage = 1280 * 1024 * 3 / 8 + 590,
87 		.colorspace = V4L2_COLORSPACE_JPEG},
88 };
89 
90 static const struct v4l2_pix_format ov971x_mode[] = {
91 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
92 		.bytesperline = 640,
93 		.sizeimage = 640 * 480,
94 		.colorspace = V4L2_COLORSPACE_SRGB
95 	}
96 };
97 
98 static const struct v4l2_pix_format ov562x_mode[] = {
99 	{2592, 1680, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
100 		.bytesperline = 2592,
101 		.sizeimage = 2592 * 1680,
102 		.colorspace = V4L2_COLORSPACE_SRGB
103 	}
104 };
105 
106 enum ov361x {
107 	ov361x_2048 = 0,
108 	ov361x_1600,
109 	ov361x_1024,
110 	ov361x_640,
111 	ov361x_320,
112 	ov361x_160,
113 	ov361x_last
114 };
115 
116 static const struct v4l2_pix_format ov361x_mode[] = {
117 	{0x800, 0x600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
118 		.bytesperline = 0x800,
119 		.sizeimage = 0x800 * 0x600,
120 		.colorspace = V4L2_COLORSPACE_SRGB},
121 	{1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
122 		.bytesperline = 1600,
123 		.sizeimage = 1600 * 1200,
124 		.colorspace = V4L2_COLORSPACE_SRGB},
125 	{1024, 768, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
126 		.bytesperline = 768,
127 		.sizeimage = 1024 * 768,
128 		.colorspace = V4L2_COLORSPACE_SRGB},
129 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
130 		.bytesperline = 640,
131 		.sizeimage = 640 * 480,
132 		.colorspace = V4L2_COLORSPACE_SRGB},
133 	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
134 		.bytesperline = 320,
135 		.sizeimage = 320 * 240,
136 		.colorspace = V4L2_COLORSPACE_SRGB},
137 	{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
138 		.bytesperline = 160,
139 		.sizeimage = 160 * 120,
140 		.colorspace = V4L2_COLORSPACE_SRGB}
141 };
142 
143 static const u8 ov361x_start_2048[][2] = {
144 	{0x12, 0x80},
145 	{0x13, 0xcf},
146 	{0x14, 0x40},
147 	{0x15, 0x00},
148 	{0x01, 0x80},
149 	{0x02, 0x80},
150 	{0x04, 0x70},
151 	{0x0d, 0x40},
152 	{0x0f, 0x47},
153 	{0x11, 0x81},
154 	{0x32, 0x36},
155 	{0x33, 0x0c},
156 	{0x34, 0x00},
157 	{0x35, 0x90},
158 	{0x12, 0x00},
159 	{0x17, 0x10},
160 	{0x18, 0x90},
161 	{0x19, 0x00},
162 	{0x1a, 0xc0},
163 };
164 static const u8 ov361x_bridge_start_2048[][2] = {
165 	{0xf1, 0x60},
166 	{0x88, 0x00},
167 	{0x89, 0x08},
168 	{0x8a, 0x00},
169 	{0x8b, 0x06},
170 	{0x8c, 0x01},
171 	{0x8d, 0x10},
172 	{0x1c, 0x00},
173 	{0x1d, 0x48},
174 	{0x1d, 0x00},
175 	{0x1d, 0xff},
176 	{0x1c, 0x0a},
177 	{0x1d, 0x2e},
178 	{0x1d, 0x1e},
179 };
180 
181 static const u8 ov361x_start_1600[][2] = {
182 	{0x12, 0x80},
183 	{0x13, 0xcf},
184 	{0x14, 0x40},
185 	{0x15, 0x00},
186 	{0x01, 0x80},
187 	{0x02, 0x80},
188 	{0x04, 0x70},
189 	{0x0d, 0x40},
190 	{0x0f, 0x47},
191 	{0x11, 0x81},
192 	{0x32, 0x36},
193 	{0x33, 0x0C},
194 	{0x34, 0x00},
195 	{0x35, 0x90},
196 	{0x12, 0x00},
197 	{0x17, 0x10},
198 	{0x18, 0x90},
199 	{0x19, 0x00},
200 	{0x1a, 0xc0},
201 };
202 static const u8 ov361x_bridge_start_1600[][2] = {
203 	{0xf1, 0x60},  /* Hsize[7:0] */
204 	{0x88, 0x00},  /* Hsize[15:8] Write Only, can't read */
205 	{0x89, 0x08},  /* Vsize[7:0] */
206 	{0x8a, 0x00},  /* Vsize[15:8] Write Only, can't read */
207 	{0x8b, 0x06},  /* for Iso */
208 	{0x8c, 0x01},  /* RAW input */
209 	{0x8d, 0x10},
210 	{0x1c, 0x00},  /* RAW output, Iso transfer */
211 	{0x1d, 0x48},
212 	{0x1d, 0x00},
213 	{0x1d, 0xff},
214 	{0x1c, 0x0a},  /* turn off JPEG, Iso mode */
215 	{0x1d, 0x2e},  /* for Iso */
216 	{0x1d, 0x1e},
217 };
218 
219 static const u8 ov361x_start_1024[][2] = {
220 	{0x12, 0x80},
221 	{0x13, 0xcf},
222 	{0x14, 0x40},
223 	{0x15, 0x00},
224 	{0x01, 0x80},
225 	{0x02, 0x80},
226 	{0x04, 0x70},
227 	{0x0d, 0x40},
228 	{0x0f, 0x47},
229 	{0x11, 0x81},
230 	{0x32, 0x36},
231 	{0x33, 0x0C},
232 	{0x34, 0x00},
233 	{0x35, 0x90},
234 	{0x12, 0x40},
235 	{0x17, 0x1f},
236 	{0x18, 0x5f},
237 	{0x19, 0x00},
238 	{0x1a, 0x68},
239 };
240 static const u8 ov361x_bridge_start_1024[][2] = {
241 	{0xf1, 0x60},  /* Hsize[7:0] */
242 	{0x88, 0x00},  /* Hsize[15:8] Write Only, can't read */
243 	{0x89, 0x04},  /* Vsize[7:0] */
244 	{0x8a, 0x00},  /* Vsize[15:8] Write Only, can't read */
245 	{0x8b, 0x03},  /* for Iso */
246 	{0x8c, 0x01},  /* RAW input  */
247 	{0x8d, 0x10},
248 	{0x1c, 0x00},  /* RAW output, Iso transfer */
249 	{0x1d, 0x48},
250 	{0x1d, 0x00},
251 	{0x1d, 0xff},
252 	{0x1c, 0x0a},  /* turn off JPEG, Iso mode */
253 	{0x1d, 0x2e},  /* for Iso */
254 	{0x1d, 0x1e},
255 };
256 
257 static const u8 ov361x_start_640[][2] = {
258 	{0x12, 0x80},
259 	{0x13, 0xcf},
260 	{0x14, 0x40},
261 	{0x15, 0x00},
262 	{0x01, 0x80},
263 	{0x02, 0x80},
264 	{0x04, 0x70},
265 	{0x0d, 0x40},
266 	{0x0f, 0x47},
267 	{0x11, 0x81},
268 	{0x32, 0x36},
269 	{0x33, 0x0C},
270 	{0x34, 0x00},
271 	{0x35, 0x90},
272 	{0x12, 0x40},
273 	{0x17, 0x1f},
274 	{0x18, 0x5f},
275 	{0x19, 0x00},
276 	{0x1a, 0x68},
277 };
278 
279 static const u8 ov361x_bridge_start_640[][2] = {
280 	{0xf1, 0x60},  /* Hsize[7:0]*/
281 	{0x88, 0x00},  /* Hsize[15:8] Write Only, can't read */
282 	{0x89, 0x04},  /* Vsize[7:0] */
283 	{0x8a, 0x00},  /* Vsize[15:8] Write Only, can't read */
284 	{0x8b, 0x03},  /* for Iso */
285 	{0x8c, 0x01},  /* RAW input */
286 	{0x8d, 0x10},
287 	{0x1c, 0x00},  /* RAW output, Iso transfer */
288 	{0x1d, 0x48},
289 	{0x1d, 0x00},
290 	{0x1d, 0xff},
291 	{0x1c, 0x0a},  /* turn off JPEG, Iso mode */
292 	{0x1d, 0x2e},  /* for Iso */
293 	{0x1d, 0x1e},
294 };
295 
296 static const u8 ov361x_start_320[][2] = {
297 	{0x12, 0x80},
298 	{0x13, 0xcf},
299 	{0x14, 0x40},
300 	{0x15, 0x00},
301 	{0x01, 0x80},
302 	{0x02, 0x80},
303 	{0x04, 0x70},
304 	{0x0d, 0x40},
305 	{0x0f, 0x47},
306 	{0x11, 0x81},
307 	{0x32, 0x36},
308 	{0x33, 0x0C},
309 	{0x34, 0x00},
310 	{0x35, 0x90},
311 	{0x12, 0x40},
312 	{0x17, 0x1f},
313 	{0x18, 0x5f},
314 	{0x19, 0x00},
315 	{0x1a, 0x68},
316 };
317 
318 static const u8 ov361x_bridge_start_320[][2] = {
319 	{0xf1, 0x60},  /* Hsize[7:0] */
320 	{0x88, 0x00},  /* Hsize[15:8] Write Only, can't read */
321 	{0x89, 0x04},  /* Vsize[7:0] */
322 	{0x8a, 0x00},  /* Vsize[15:8] Write Only, can't read */
323 	{0x8b, 0x03},  /* for Iso */
324 	{0x8c, 0x01},  /* RAW input */
325 	{0x8d, 0x10},
326 	{0x1c, 0x00},  /* RAW output, Iso transfer; */
327 	{0x1d, 0x48},
328 	{0x1d, 0x00},
329 	{0x1d, 0xff},
330 	{0x1c, 0x0a},  /* turn off JPEG, Iso mode */
331 	{0x1d, 0x2e},  /* for Iso */
332 	{0x1d, 0x1e},
333 };
334 
335 static const u8 ov361x_start_160[][2] = {
336 	{0x12, 0x80},
337 	{0x13, 0xcf},
338 	{0x14, 0x40},
339 	{0x15, 0x00},
340 	{0x01, 0x80},
341 	{0x02, 0x80},
342 	{0x04, 0x70},
343 	{0x0d, 0x40},
344 	{0x0f, 0x47},
345 	{0x11, 0x81},
346 	{0x32, 0x36},
347 	{0x33, 0x0C},
348 	{0x34, 0x00},
349 	{0x35, 0x90},
350 	{0x12, 0x40},
351 	{0x17, 0x1f},
352 	{0x18, 0x5f},
353 	{0x19, 0x00},
354 	{0x1a, 0x68},
355 };
356 
357 static const u8 ov361x_bridge_start_160[][2] = {
358 	{0xf1, 0x60},  /* Hsize[7:0] */
359 	{0x88, 0x00},  /* Hsize[15:8] Write Only, can't read */
360 	{0x89, 0x04},  /* Vsize[7:0] */
361 	{0x8a, 0x00},  /* Vsize[15:8] Write Only, can't read */
362 	{0x8b, 0x03},  /* for Iso */
363 	{0x8c, 0x01},  /* RAW input */
364 	{0x8d, 0x10},
365 	{0x1c, 0x00},  /* RAW output, Iso transfer */
366 	{0x1d, 0x48},
367 	{0x1d, 0x00},
368 	{0x1d, 0xff},
369 	{0x1c, 0x0a},  /* turn off JPEG, Iso mode */
370 	{0x1d, 0x2e},  /* for Iso */
371 	{0x1d, 0x1e},
372 };
373 
374 static const u8 bridge_init[][2] = {
375 	{0x88, 0xf8},
376 	{0x89, 0xff},
377 	{0x76, 0x03},
378 	{0x92, 0x03},
379 	{0x95, 0x10},
380 	{0xe2, 0x00},
381 	{0xe7, 0x3e},
382 	{0x8d, 0x1c},
383 	{0x8e, 0x00},
384 	{0x8f, 0x00},
385 	{0x1f, 0x00},
386 	{0xc3, 0xf9},
387 	{0x89, 0xff},
388 	{0x88, 0xf8},
389 	{0x76, 0x03},
390 	{0x92, 0x01},
391 	{0x93, 0x18},
392 	{0x1c, 0x0a},
393 	{0x1d, 0x48},
394 	{0xc0, 0x50},
395 	{0xc1, 0x3c},
396 	{0x34, 0x05},
397 	{0xc2, 0x0c},
398 	{0xc3, 0xf9},
399 	{0x34, 0x05},
400 	{0xe7, 0x2e},
401 	{0x31, 0xf9},
402 	{0x35, 0x02},
403 	{0xd9, 0x10},
404 	{0x25, 0x42},
405 	{0x94, 0x11},
406 };
407 
408 static const u8 ov965x_init[][2] = {
409 	{0x12, 0x80},	/* com7 - SSCB reset */
410 	{0x00, 0x00},	/* gain */
411 	{0x01, 0x80},	/* blue */
412 	{0x02, 0x80},	/* red */
413 	{0x03, 0x1b},	/* vref */
414 	{0x04, 0x03},	/* com1 - exposure low bits */
415 	{0x0b, 0x57},	/* ver */
416 	{0x0e, 0x61},	/* com5 */
417 	{0x0f, 0x42},	/* com6 */
418 	{0x11, 0x00},	/* clkrc */
419 	{0x12, 0x02},	/* com7 - 15fps VGA YUYV */
420 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
421 	{0x14, 0x28},	/* com9 */
422 	{0x16, 0x24},	/* reg16 */
423 	{0x17, 0x1d},	/* hstart*/
424 	{0x18, 0xbd},	/* hstop */
425 	{0x19, 0x01},	/* vstrt */
426 	{0x1a, 0x81},	/* vstop*/
427 	{0x1e, 0x04},	/* mvfp */
428 	{0x24, 0x3c},	/* aew */
429 	{0x25, 0x36},	/* aeb */
430 	{0x26, 0x71},	/* vpt */
431 	{0x27, 0x08},	/* bbias */
432 	{0x28, 0x08},	/* gbbias */
433 	{0x29, 0x15},	/* gr com */
434 	{0x2a, 0x00},	/* exhch */
435 	{0x2b, 0x00},	/* exhcl */
436 	{0x2c, 0x08},	/* rbias */
437 	{0x32, 0xff},	/* href */
438 	{0x33, 0x00},	/* chlf */
439 	{0x34, 0x3f},	/* aref1 */
440 	{0x35, 0x00},	/* aref2 */
441 	{0x36, 0xf8},	/* aref3 */
442 	{0x38, 0x72},	/* adc2 */
443 	{0x39, 0x57},	/* aref4 */
444 	{0x3a, 0x80},	/* tslb - yuyv */
445 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
446 	{0x3d, 0x99},	/* com13 */
447 	{0x3f, 0xc1},	/* edge */
448 	{0x40, 0xc0},	/* com15 */
449 	{0x41, 0x40},	/* com16 */
450 	{0x42, 0xc0},	/* com17 */
451 	{0x43, 0x0a},	/* rsvd */
452 	{0x44, 0xf0},
453 	{0x45, 0x46},
454 	{0x46, 0x62},
455 	{0x47, 0x2a},
456 	{0x48, 0x3c},
457 	{0x4a, 0xfc},
458 	{0x4b, 0xfc},
459 	{0x4c, 0x7f},
460 	{0x4d, 0x7f},
461 	{0x4e, 0x7f},
462 	{0x4f, 0x98},	/* matrix */
463 	{0x50, 0x98},
464 	{0x51, 0x00},
465 	{0x52, 0x28},
466 	{0x53, 0x70},
467 	{0x54, 0x98},
468 	{0x58, 0x1a},	/* matrix coef sign */
469 	{0x59, 0x85},	/* AWB control */
470 	{0x5a, 0xa9},
471 	{0x5b, 0x64},
472 	{0x5c, 0x84},
473 	{0x5d, 0x53},
474 	{0x5e, 0x0e},
475 	{0x5f, 0xf0},	/* AWB blue limit */
476 	{0x60, 0xf0},	/* AWB red limit */
477 	{0x61, 0xf0},	/* AWB green limit */
478 	{0x62, 0x00},	/* lcc1 */
479 	{0x63, 0x00},	/* lcc2 */
480 	{0x64, 0x02},	/* lcc3 */
481 	{0x65, 0x16},	/* lcc4 */
482 	{0x66, 0x01},	/* lcc5 */
483 	{0x69, 0x02},	/* hv */
484 	{0x6b, 0x5a},	/* dbvl */
485 	{0x6c, 0x04},
486 	{0x6d, 0x55},
487 	{0x6e, 0x00},
488 	{0x6f, 0x9d},
489 	{0x70, 0x21},	/* dnsth */
490 	{0x71, 0x78},
491 	{0x72, 0x00},	/* poidx */
492 	{0x73, 0x01},	/* pckdv */
493 	{0x74, 0x3a},	/* xindx */
494 	{0x75, 0x35},	/* yindx */
495 	{0x76, 0x01},
496 	{0x77, 0x02},
497 	{0x7a, 0x12},	/* gamma curve */
498 	{0x7b, 0x08},
499 	{0x7c, 0x16},
500 	{0x7d, 0x30},
501 	{0x7e, 0x5e},
502 	{0x7f, 0x72},
503 	{0x80, 0x82},
504 	{0x81, 0x8e},
505 	{0x82, 0x9a},
506 	{0x83, 0xa4},
507 	{0x84, 0xac},
508 	{0x85, 0xb8},
509 	{0x86, 0xc3},
510 	{0x87, 0xd6},
511 	{0x88, 0xe6},
512 	{0x89, 0xf2},
513 	{0x8a, 0x03},
514 	{0x8c, 0x89},	/* com19 */
515 	{0x14, 0x28},	/* com9 */
516 	{0x90, 0x7d},
517 	{0x91, 0x7b},
518 	{0x9d, 0x03},	/* lcc6 */
519 	{0x9e, 0x04},	/* lcc7 */
520 	{0x9f, 0x7a},
521 	{0xa0, 0x79},
522 	{0xa1, 0x40},	/* aechm */
523 	{0xa4, 0x50},	/* com21 */
524 	{0xa5, 0x68},	/* com26 */
525 	{0xa6, 0x4a},	/* AWB green */
526 	{0xa8, 0xc1},	/* refa8 */
527 	{0xa9, 0xef},	/* refa9 */
528 	{0xaa, 0x92},
529 	{0xab, 0x04},
530 	{0xac, 0x80},	/* black level control */
531 	{0xad, 0x80},
532 	{0xae, 0x80},
533 	{0xaf, 0x80},
534 	{0xb2, 0xf2},
535 	{0xb3, 0x20},
536 	{0xb4, 0x20},	/* ctrlb4 */
537 	{0xb5, 0x00},
538 	{0xb6, 0xaf},
539 	{0xbb, 0xae},
540 	{0xbc, 0x7f},	/* ADC channel offsets */
541 	{0xdb, 0x7f},
542 	{0xbe, 0x7f},
543 	{0xbf, 0x7f},
544 	{0xc0, 0xe2},
545 	{0xc1, 0xc0},
546 	{0xc2, 0x01},
547 	{0xc3, 0x4e},
548 	{0xc6, 0x85},
549 	{0xc7, 0x80},	/* com24 */
550 	{0xc9, 0xe0},
551 	{0xca, 0xe8},
552 	{0xcb, 0xf0},
553 	{0xcc, 0xd8},
554 	{0xcd, 0xf1},
555 	{0x4f, 0x98},	/* matrix */
556 	{0x50, 0x98},
557 	{0x51, 0x00},
558 	{0x52, 0x28},
559 	{0x53, 0x70},
560 	{0x54, 0x98},
561 	{0x58, 0x1a},
562 	{0xff, 0x41},	/* read 41, write ff 00 */
563 	{0x41, 0x40},	/* com16 */
564 
565 	{0xc5, 0x03},	/* 60 Hz banding filter */
566 	{0x6a, 0x02},	/* 50 Hz banding filter */
567 
568 	{0x12, 0x62},	/* com7 - 30fps VGA YUV */
569 	{0x36, 0xfa},	/* aref3 */
570 	{0x69, 0x0a},	/* hv */
571 	{0x8c, 0x89},	/* com22 */
572 	{0x14, 0x28},	/* com9 */
573 	{0x3e, 0x0c},
574 	{0x41, 0x40},	/* com16 */
575 	{0x72, 0x00},
576 	{0x73, 0x00},
577 	{0x74, 0x3a},
578 	{0x75, 0x35},
579 	{0x76, 0x01},
580 	{0xc7, 0x80},
581 	{0x03, 0x12},	/* vref */
582 	{0x17, 0x16},	/* hstart */
583 	{0x18, 0x02},	/* hstop */
584 	{0x19, 0x01},	/* vstrt */
585 	{0x1a, 0x3d},	/* vstop */
586 	{0x32, 0xff},	/* href */
587 	{0xc0, 0xaa},
588 };
589 
590 static const u8 bridge_init_2[][2] = {
591 	{0x94, 0xaa},
592 	{0xf1, 0x60},
593 	{0xe5, 0x04},
594 	{0xc0, 0x50},
595 	{0xc1, 0x3c},
596 	{0x8c, 0x00},
597 	{0x8d, 0x1c},
598 	{0x34, 0x05},
599 
600 	{0xc2, 0x0c},
601 	{0xc3, 0xf9},
602 	{0xda, 0x01},
603 	{0x50, 0x00},
604 	{0x51, 0xa0},
605 	{0x52, 0x3c},
606 	{0x53, 0x00},
607 	{0x54, 0x00},
608 	{0x55, 0x00},
609 	{0x57, 0x00},
610 	{0x5c, 0x00},
611 	{0x5a, 0xa0},
612 	{0x5b, 0x78},
613 	{0x35, 0x02},
614 	{0xd9, 0x10},
615 	{0x94, 0x11},
616 };
617 
618 static const u8 ov965x_init_2[][2] = {
619 	{0x3b, 0xc4},
620 	{0x1e, 0x04},	/* mvfp */
621 	{0x13, 0xe0},	/* com8 */
622 	{0x00, 0x00},	/* gain */
623 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
624 	{0x11, 0x03},	/* clkrc */
625 	{0x6b, 0x5a},	/* dblv */
626 	{0x6a, 0x05},
627 	{0xc5, 0x07},
628 	{0xa2, 0x4b},
629 	{0xa3, 0x3e},
630 	{0x2d, 0x00},
631 	{0xff, 0x42},	/* read 42, write ff 00 */
632 	{0x42, 0xc0},	/* com17 */
633 	{0x2d, 0x00},
634 	{0xff, 0x42},	/* read 42, write ff 00 */
635 	{0x42, 0xc1},	/* com17 */
636 /* sharpness */
637 	{0x3f, 0x01},
638 	{0xff, 0x42},	/* read 42, write ff 00 */
639 	{0x42, 0xc1},	/* com17 */
640 /* saturation */
641 	{0x4f, 0x98},	/* matrix */
642 	{0x50, 0x98},
643 	{0x51, 0x00},
644 	{0x52, 0x28},
645 	{0x53, 0x70},
646 	{0x54, 0x98},
647 	{0x58, 0x1a},
648 	{0xff, 0x41},	/* read 41, write ff 00 */
649 	{0x41, 0x40},	/* com16 */
650 /* contrast */
651 	{0x56, 0x40},
652 /* brightness */
653 	{0x55, 0x8f},
654 /* expo */
655 	{0x10, 0x25},	/* aech - exposure high bits */
656 	{0xff, 0x13},	/* read 13, write ff 00 */
657 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
658 };
659 
660 static const u8 ov971x_init[][2] = {
661 	{0x12, 0x80},
662 	{0x09, 0x10},
663 	{0x1e, 0x07},
664 	{0x5f, 0x18},
665 	{0x69, 0x04},
666 	{0x65, 0x2a},
667 	{0x68, 0x0a},
668 	{0x39, 0x28},
669 	{0x4d, 0x90},
670 	{0xc1, 0x80},
671 	{0x0c, 0x30},
672 	{0x6d, 0x02},
673 	{0x96, 0xf1},
674 	{0xbc, 0x68},
675 	{0x12, 0x00},
676 	{0x3b, 0x00},
677 	{0x97, 0x80},
678 	{0x17, 0x25},
679 	{0x18, 0xa2},
680 	{0x19, 0x01},
681 	{0x1a, 0xca},
682 	{0x03, 0x0a},
683 	{0x32, 0x07},
684 	{0x98, 0x40},	/*{0x98, 0x00},*/
685 	{0x99, 0xA0},	/*{0x99, 0x00},*/
686 	{0x9a, 0x01},	/*{0x9a, 0x00},*/
687 	{0x57, 0x00},
688 	{0x58, 0x78},	/*{0x58, 0xc8},*/
689 	{0x59, 0x50},	/*{0x59, 0xa0},*/
690 	{0x4c, 0x13},
691 	{0x4b, 0x36},
692 	{0x3d, 0x3c},
693 	{0x3e, 0x03},
694 	{0xbd, 0x50},	/*{0xbd, 0xa0},*/
695 	{0xbe, 0x78},	/*{0xbe, 0xc8},*/
696 	{0x4e, 0x55},
697 	{0x4f, 0x55},
698 	{0x50, 0x55},
699 	{0x51, 0x55},
700 	{0x24, 0x55},
701 	{0x25, 0x40},
702 	{0x26, 0xa1},
703 	{0x5c, 0x59},
704 	{0x5d, 0x00},
705 	{0x11, 0x00},
706 	{0x2a, 0x98},
707 	{0x2b, 0x06},
708 	{0x2d, 0x00},
709 	{0x2e, 0x00},
710 	{0x13, 0xa5},
711 	{0x14, 0x40},
712 	{0x4a, 0x00},
713 	{0x49, 0xce},
714 	{0x22, 0x03},
715 	{0x09, 0x00}
716 };
717 
718 static const u8 ov965x_start_1_vga[][2] = {	/* same for qvga */
719 	{0x12, 0x62},	/* com7 - 30fps VGA YUV */
720 	{0x36, 0xfa},	/* aref3 */
721 	{0x69, 0x0a},	/* hv */
722 	{0x8c, 0x89},	/* com22 */
723 	{0x14, 0x28},	/* com9 */
724 	{0x3e, 0x0c},	/* com14 */
725 	{0x41, 0x40},	/* com16 */
726 	{0x72, 0x00},
727 	{0x73, 0x00},
728 	{0x74, 0x3a},
729 	{0x75, 0x35},
730 	{0x76, 0x01},
731 	{0xc7, 0x80},	/* com24 */
732 	{0x03, 0x12},	/* vref */
733 	{0x17, 0x16},	/* hstart */
734 	{0x18, 0x02},	/* hstop */
735 	{0x19, 0x01},	/* vstrt */
736 	{0x1a, 0x3d},	/* vstop */
737 	{0x32, 0xff},	/* href */
738 	{0xc0, 0xaa},
739 };
740 
741 static const u8 ov965x_start_1_svga[][2] = {
742 	{0x12, 0x02},	/* com7 - YUYV - VGA 15 full resolution */
743 	{0x36, 0xf8},	/* aref3 */
744 	{0x69, 0x02},	/* hv */
745 	{0x8c, 0x0d},	/* com22 */
746 	{0x3e, 0x0c},	/* com14 */
747 	{0x41, 0x40},	/* com16 */
748 	{0x72, 0x00},
749 	{0x73, 0x01},
750 	{0x74, 0x3a},
751 	{0x75, 0x35},
752 	{0x76, 0x01},
753 	{0xc7, 0x80},	/* com24 */
754 	{0x03, 0x1b},	/* vref */
755 	{0x17, 0x1d},	/* hstart */
756 	{0x18, 0xbd},	/* hstop */
757 	{0x19, 0x01},	/* vstrt */
758 	{0x1a, 0x81},	/* vstop */
759 	{0x32, 0xff},	/* href */
760 	{0xc0, 0xe2},
761 };
762 
763 static const u8 ov965x_start_1_xga[][2] = {
764 	{0x12, 0x02},	/* com7 */
765 	{0x36, 0xf8},	/* aref3 */
766 	{0x69, 0x02},	/* hv */
767 	{0x8c, 0x89},	/* com22 */
768 	{0x14, 0x28},	/* com9 */
769 	{0x3e, 0x0c},	/* com14 */
770 	{0x41, 0x40},	/* com16 */
771 	{0x72, 0x00},
772 	{0x73, 0x01},
773 	{0x74, 0x3a},
774 	{0x75, 0x35},
775 	{0x76, 0x01},
776 	{0xc7, 0x80},	/* com24 */
777 	{0x03, 0x1b},	/* vref */
778 	{0x17, 0x1d},	/* hstart */
779 	{0x18, 0xbd},	/* hstop */
780 	{0x19, 0x01},	/* vstrt */
781 	{0x1a, 0x81},	/* vstop */
782 	{0x32, 0xff},	/* href */
783 	{0xc0, 0xe2},
784 };
785 
786 static const u8 ov965x_start_1_sxga[][2] = {
787 	{0x12, 0x02},	/* com7 */
788 	{0x36, 0xf8},	/* aref3 */
789 	{0x69, 0x02},	/* hv */
790 	{0x8c, 0x89},	/* com22 */
791 	{0x14, 0x28},	/* com9 */
792 	{0x3e, 0x0c},	/* com14 */
793 	{0x41, 0x40},	/* com16 */
794 	{0x72, 0x00},
795 	{0x73, 0x01},
796 	{0x74, 0x3a},
797 	{0x75, 0x35},
798 	{0x76, 0x01},
799 	{0xc7, 0x80},	/* com24 */
800 	{0x03, 0x1b},	/* vref */
801 	{0x17, 0x1d},	/* hstart */
802 	{0x18, 0x02},	/* hstop */
803 	{0x19, 0x01},	/* vstrt */
804 	{0x1a, 0x81},	/* vstop */
805 	{0x32, 0xff},	/* href */
806 	{0xc0, 0xe2},
807 };
808 
809 static const u8 bridge_start_qvga[][2] = {
810 	{0x94, 0xaa},
811 	{0xf1, 0x60},
812 	{0xe5, 0x04},
813 	{0xc0, 0x50},
814 	{0xc1, 0x3c},
815 	{0x8c, 0x00},
816 	{0x8d, 0x1c},
817 	{0x34, 0x05},
818 
819 	{0xc2, 0x4c},
820 	{0xc3, 0xf9},
821 	{0xda, 0x00},
822 	{0x50, 0x00},
823 	{0x51, 0xa0},
824 	{0x52, 0x78},
825 	{0x53, 0x00},
826 	{0x54, 0x00},
827 	{0x55, 0x00},
828 	{0x57, 0x00},
829 	{0x5c, 0x00},
830 	{0x5a, 0x50},
831 	{0x5b, 0x3c},
832 	{0x35, 0x02},
833 	{0xd9, 0x10},
834 	{0x94, 0x11},
835 };
836 
837 static const u8 bridge_start_vga[][2] = {
838 	{0x94, 0xaa},
839 	{0xf1, 0x60},
840 	{0xe5, 0x04},
841 	{0xc0, 0x50},
842 	{0xc1, 0x3c},
843 	{0x8c, 0x00},
844 	{0x8d, 0x1c},
845 	{0x34, 0x05},
846 	{0xc2, 0x0c},
847 	{0xc3, 0xf9},
848 	{0xda, 0x01},
849 	{0x50, 0x00},
850 	{0x51, 0xa0},
851 	{0x52, 0x3c},
852 	{0x53, 0x00},
853 	{0x54, 0x00},
854 	{0x55, 0x00},
855 	{0x57, 0x00},
856 	{0x5c, 0x00},
857 	{0x5a, 0xa0},
858 	{0x5b, 0x78},
859 	{0x35, 0x02},
860 	{0xd9, 0x10},
861 	{0x94, 0x11},
862 };
863 
864 static const u8 bridge_start_svga[][2] = {
865 	{0x94, 0xaa},
866 	{0xf1, 0x60},
867 	{0xe5, 0x04},
868 	{0xc0, 0xa0},
869 	{0xc1, 0x80},
870 	{0x8c, 0x00},
871 	{0x8d, 0x1c},
872 	{0x34, 0x05},
873 	{0xc2, 0x4c},
874 	{0xc3, 0xf9},
875 	{0x50, 0x00},
876 	{0x51, 0x40},
877 	{0x52, 0x00},
878 	{0x53, 0x00},
879 	{0x54, 0x00},
880 	{0x55, 0x88},
881 	{0x57, 0x00},
882 	{0x5c, 0x00},
883 	{0x5a, 0xc8},
884 	{0x5b, 0x96},
885 	{0x35, 0x02},
886 	{0xd9, 0x10},
887 	{0xda, 0x00},
888 	{0x94, 0x11},
889 };
890 
891 static const u8 bridge_start_xga[][2] = {
892 	{0x94, 0xaa},
893 	{0xf1, 0x60},
894 	{0xe5, 0x04},
895 	{0xc0, 0xa0},
896 	{0xc1, 0x80},
897 	{0x8c, 0x00},
898 	{0x8d, 0x1c},
899 	{0x34, 0x05},
900 	{0xc2, 0x4c},
901 	{0xc3, 0xf9},
902 	{0x50, 0x00},
903 	{0x51, 0x40},
904 	{0x52, 0x00},
905 	{0x53, 0x00},
906 	{0x54, 0x00},
907 	{0x55, 0x88},
908 	{0x57, 0x00},
909 	{0x5c, 0x01},
910 	{0x5a, 0x00},
911 	{0x5b, 0xc0},
912 	{0x35, 0x02},
913 	{0xd9, 0x10},
914 	{0xda, 0x01},
915 	{0x94, 0x11},
916 };
917 
918 static const u8 bridge_start_sxga[][2] = {
919 	{0x94, 0xaa},
920 	{0xf1, 0x60},
921 	{0xe5, 0x04},
922 	{0xc0, 0xa0},
923 	{0xc1, 0x80},
924 	{0x8c, 0x00},
925 	{0x8d, 0x1c},
926 	{0x34, 0x05},
927 	{0xc2, 0x0c},
928 	{0xc3, 0xf9},
929 	{0xda, 0x00},
930 	{0x35, 0x02},
931 	{0xd9, 0x10},
932 	{0x94, 0x11},
933 };
934 
935 static const u8 ov965x_start_2_qvga[][2] = {
936 	{0x3b, 0xe4},	/* com11 - night mode 1/4 frame rate */
937 	{0x1e, 0x04},	/* mvfp */
938 	{0x13, 0xe0},	/* com8 */
939 	{0x00, 0x00},
940 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
941 	{0x11, 0x01},	/* clkrc */
942 	{0x6b, 0x5a},	/* dblv */
943 	{0x6a, 0x02},	/* 50 Hz banding filter */
944 	{0xc5, 0x03},	/* 60 Hz banding filter */
945 	{0xa2, 0x96},	/* bd50 */
946 	{0xa3, 0x7d},	/* bd60 */
947 
948 	{0xff, 0x13},	/* read 13, write ff 00 */
949 	{0x13, 0xe7},
950 	{0x3a, 0x80},	/* tslb - yuyv */
951 };
952 
953 static const u8 ov965x_start_2_vga[][2] = {
954 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
955 	{0x1e, 0x04},	/* mvfp */
956 	{0x13, 0xe0},	/* com8 */
957 	{0x00, 0x00},
958 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
959 	{0x11, 0x03},	/* clkrc */
960 	{0x6b, 0x5a},	/* dblv */
961 	{0x6a, 0x05},	/* 50 Hz banding filter */
962 	{0xc5, 0x07},	/* 60 Hz banding filter */
963 	{0xa2, 0x4b},	/* bd50 */
964 	{0xa3, 0x3e},	/* bd60 */
965 
966 	{0x2d, 0x00},	/* advfl */
967 };
968 
969 static const u8 ov965x_start_2_svga[][2] = {	/* same for xga */
970 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
971 	{0x1e, 0x04},	/* mvfp */
972 	{0x13, 0xe0},	/* com8 */
973 	{0x00, 0x00},
974 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
975 	{0x11, 0x01},	/* clkrc */
976 	{0x6b, 0x5a},	/* dblv */
977 	{0x6a, 0x0c},	/* 50 Hz banding filter */
978 	{0xc5, 0x0f},	/* 60 Hz banding filter */
979 	{0xa2, 0x4e},	/* bd50 */
980 	{0xa3, 0x41},	/* bd60 */
981 };
982 
983 static const u8 ov965x_start_2_sxga[][2] = {
984 	{0x13, 0xe0},	/* com8 */
985 	{0x00, 0x00},
986 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
987 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
988 	{0x1e, 0x04},	/* mvfp */
989 	{0x11, 0x01},	/* clkrc */
990 	{0x6b, 0x5a},	/* dblv */
991 	{0x6a, 0x0c},	/* 50 Hz banding filter */
992 	{0xc5, 0x0f},	/* 60 Hz banding filter */
993 	{0xa2, 0x4e},	/* bd50 */
994 	{0xa3, 0x41},	/* bd60 */
995 };
996 
997 static const u8 ov562x_init[][2] = {
998 	{0x88, 0x20},
999 	{0x89, 0x0a},
1000 	{0x8a, 0x90},
1001 	{0x8b, 0x06},
1002 	{0x8c, 0x01},
1003 	{0x8d, 0x10},
1004 	{0x1c, 0x00},
1005 	{0x1d, 0x48},
1006 	{0x1d, 0x00},
1007 	{0x1d, 0xff},
1008 	{0x1c, 0x0a},
1009 	{0x1d, 0x2e},
1010 	{0x1d, 0x1e},
1011 };
1012 
1013 static const u8 ov562x_init_2[][2] = {
1014 	{0x12, 0x80},
1015 	{0x11, 0x41},
1016 	{0x13, 0x00},
1017 	{0x10, 0x1e},
1018 	{0x3b, 0x07},
1019 	{0x5b, 0x40},
1020 	{0x39, 0x07},
1021 	{0x53, 0x02},
1022 	{0x54, 0x60},
1023 	{0x04, 0x20},
1024 	{0x27, 0x04},
1025 	{0x3d, 0x40},
1026 	{0x36, 0x00},
1027 	{0xc5, 0x04},
1028 	{0x4e, 0x00},
1029 	{0x4f, 0x93},
1030 	{0x50, 0x7b},
1031 	{0xca, 0x0c},
1032 	{0xcb, 0x0f},
1033 	{0x39, 0x07},
1034 	{0x4a, 0x10},
1035 	{0x3e, 0x0a},
1036 	{0x3d, 0x00},
1037 	{0x0c, 0x38},
1038 	{0x38, 0x90},
1039 	{0x46, 0x30},
1040 	{0x4f, 0x93},
1041 	{0x50, 0x7b},
1042 	{0xab, 0x00},
1043 	{0xca, 0x0c},
1044 	{0xcb, 0x0f},
1045 	{0x37, 0x02},
1046 	{0x44, 0x48},
1047 	{0x8d, 0x44},
1048 	{0x2a, 0x00},
1049 	{0x2b, 0x00},
1050 	{0x32, 0x00},
1051 	{0x38, 0x90},
1052 	{0x53, 0x02},
1053 	{0x54, 0x60},
1054 	{0x12, 0x00},
1055 	{0x17, 0x12},
1056 	{0x18, 0xb4},
1057 	{0x19, 0x0c},
1058 	{0x1a, 0xf4},
1059 	{0x03, 0x4a},
1060 	{0x89, 0x20},
1061 	{0x83, 0x80},
1062 	{0xb7, 0x9d},
1063 	{0xb6, 0x11},
1064 	{0xb5, 0x55},
1065 	{0xb4, 0x00},
1066 	{0xa9, 0xf0},
1067 	{0xa8, 0x0a},
1068 	{0xb8, 0xf0},
1069 	{0xb9, 0xf0},
1070 	{0xba, 0xf0},
1071 	{0x81, 0x07},
1072 	{0x63, 0x44},
1073 	{0x13, 0xc7},
1074 	{0x14, 0x60},
1075 	{0x33, 0x75},
1076 	{0x2c, 0x00},
1077 	{0x09, 0x00},
1078 	{0x35, 0x30},
1079 	{0x27, 0x04},
1080 	{0x3c, 0x07},
1081 	{0x3a, 0x0a},
1082 	{0x3b, 0x07},
1083 	{0x01, 0x40},
1084 	{0x02, 0x40},
1085 	{0x16, 0x40},
1086 	{0x52, 0xb0},
1087 	{0x51, 0x83},
1088 	{0x21, 0xbb},
1089 	{0x22, 0x10},
1090 	{0x23, 0x03},
1091 	{0x35, 0x38},
1092 	{0x20, 0x90},
1093 	{0x28, 0x30},
1094 	{0x73, 0xe1},
1095 	{0x6c, 0x00},
1096 	{0x6d, 0x80},
1097 	{0x6e, 0x00},
1098 	{0x70, 0x04},
1099 	{0x71, 0x00},
1100 	{0x8d, 0x04},
1101 	{0x64, 0x00},
1102 	{0x65, 0x00},
1103 	{0x66, 0x00},
1104 	{0x67, 0x00},
1105 	{0x68, 0x00},
1106 	{0x69, 0x00},
1107 	{0x6a, 0x00},
1108 	{0x6b, 0x00},
1109 	{0x71, 0x94},
1110 	{0x74, 0x20},
1111 	{0x80, 0x09},
1112 	{0x85, 0xc0},
1113 };
1114 
1115 static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)
1116 {
1117 	struct usb_device *udev = gspca_dev->dev;
1118 	int ret;
1119 
1120 	if (gspca_dev->usb_err < 0)
1121 		return;
1122 	gspca_dev->usb_buf[0] = val;
1123 	ret = usb_control_msg(udev,
1124 			      usb_sndctrlpipe(udev, 0),
1125 			      0x01,
1126 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1127 			      0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
1128 	if (ret < 0) {
1129 		pr_err("reg_w failed %d\n", ret);
1130 		gspca_dev->usb_err = ret;
1131 	}
1132 }
1133 
1134 static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)
1135 {
1136 	gspca_dbg(gspca_dev, D_USBO, "reg_w [%04x] = %02x\n", reg, val);
1137 	reg_w_i(gspca_dev, reg, val);
1138 }
1139 
1140 static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
1141 {
1142 	struct usb_device *udev = gspca_dev->dev;
1143 	int ret;
1144 
1145 	if (gspca_dev->usb_err < 0)
1146 		return 0;
1147 	ret = usb_control_msg(udev,
1148 			      usb_rcvctrlpipe(udev, 0),
1149 			      0x01,
1150 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1151 			      0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
1152 	gspca_dbg(gspca_dev, D_USBI, "reg_r [%04x] -> %02x\n",
1153 		  reg, gspca_dev->usb_buf[0]);
1154 	if (ret < 0) {
1155 		pr_err("reg_r err %d\n", ret);
1156 		gspca_dev->usb_err = ret;
1157 	}
1158 	return gspca_dev->usb_buf[0];
1159 }
1160 
1161 static int sccb_check_status(struct gspca_dev *gspca_dev)
1162 {
1163 	u8 data;
1164 	int i;
1165 
1166 	for (i = 0; i < 5; i++) {
1167 		msleep(20);
1168 		data = reg_r(gspca_dev, OV534_REG_STATUS);
1169 
1170 		switch (data) {
1171 		case 0x00:
1172 			return 1;
1173 		case 0x04:
1174 			return 0;
1175 		case 0x03:
1176 			break;
1177 		default:
1178 			gspca_dbg(gspca_dev, D_USBI|D_USBO,
1179 				  "sccb status 0x%02x, attempt %d/5\n",
1180 				  data, i + 1);
1181 		}
1182 	}
1183 	return 0;
1184 }
1185 
1186 static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
1187 {
1188 	gspca_dbg(gspca_dev, D_USBO, "sccb_write [%02x] = %02x\n", reg, val);
1189 	reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg);
1190 	reg_w_i(gspca_dev, OV534_REG_WRITE, val);
1191 	reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
1192 
1193 	if (!sccb_check_status(gspca_dev))
1194 		pr_err("sccb_write failed\n");
1195 }
1196 
1197 static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg)
1198 {
1199 	reg_w(gspca_dev, OV534_REG_SUBADDR, reg);
1200 	reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
1201 	if (!sccb_check_status(gspca_dev))
1202 		pr_err("sccb_read failed 1\n");
1203 
1204 	reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
1205 	if (!sccb_check_status(gspca_dev))
1206 		pr_err("sccb_read failed 2\n");
1207 
1208 	return reg_r(gspca_dev, OV534_REG_READ);
1209 }
1210 
1211 /* output a bridge sequence (reg - val) */
1212 static void reg_w_array(struct gspca_dev *gspca_dev,
1213 			const u8 (*data)[2], int len)
1214 {
1215 	while (--len >= 0) {
1216 		reg_w(gspca_dev, (*data)[0], (*data)[1]);
1217 		data++;
1218 	}
1219 }
1220 
1221 /* output a sensor sequence (reg - val) */
1222 static void sccb_w_array(struct gspca_dev *gspca_dev,
1223 			const u8 (*data)[2], int len)
1224 {
1225 	while (--len >= 0) {
1226 		if ((*data)[0] != 0xff) {
1227 			sccb_write(gspca_dev, (*data)[0], (*data)[1]);
1228 		} else {
1229 			sccb_read(gspca_dev, (*data)[1]);
1230 			sccb_write(gspca_dev, 0xff, 0x00);
1231 		}
1232 		data++;
1233 	}
1234 }
1235 
1236 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
1237  * (direction and output)? */
1238 static void set_led(struct gspca_dev *gspca_dev, int status)
1239 {
1240 	u8 data;
1241 
1242 	gspca_dbg(gspca_dev, D_CONF, "led status: %d\n", status);
1243 
1244 	data = reg_r(gspca_dev, 0x21);
1245 	data |= 0x80;
1246 	reg_w(gspca_dev, 0x21, data);
1247 
1248 	data = reg_r(gspca_dev, 0x23);
1249 	if (status)
1250 		data |= 0x80;
1251 	else
1252 		data &= ~0x80;
1253 
1254 	reg_w(gspca_dev, 0x23, data);
1255 
1256 	if (!status) {
1257 		data = reg_r(gspca_dev, 0x21);
1258 		data &= ~0x80;
1259 		reg_w(gspca_dev, 0x21, data);
1260 	}
1261 }
1262 
1263 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
1264 {
1265 	struct sd *sd = (struct sd *) gspca_dev;
1266 	u8 val;
1267 	s8 sval;
1268 
1269 	if (sd->sensor == SENSOR_OV562x) {
1270 		sval = brightness;
1271 		val = 0x76;
1272 		val += sval;
1273 		sccb_write(gspca_dev, 0x24, val);
1274 		val = 0x6a;
1275 		val += sval;
1276 		sccb_write(gspca_dev, 0x25, val);
1277 		if (sval < -40)
1278 			val = 0x71;
1279 		else if (sval < 20)
1280 			val = 0x94;
1281 		else
1282 			val = 0xe6;
1283 		sccb_write(gspca_dev, 0x26, val);
1284 	} else {
1285 		val = brightness;
1286 		if (val < 8)
1287 			val = 15 - val;		/* f .. 8 */
1288 		else
1289 			val = val - 8;		/* 0 .. 7 */
1290 		sccb_write(gspca_dev, 0x55,	/* brtn - brightness adjustment */
1291 				0x0f | (val << 4));
1292 	}
1293 }
1294 
1295 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
1296 {
1297 	sccb_write(gspca_dev, 0x56,	/* cnst1 - contrast 1 ctrl coeff */
1298 			val << 4);
1299 }
1300 
1301 static void setautogain(struct gspca_dev *gspca_dev, s32 autogain)
1302 {
1303 	u8 val;
1304 
1305 /*fixme: should adjust agc/awb/aec by different controls */
1306 	val = sccb_read(gspca_dev, 0x13);		/* com8 */
1307 	sccb_write(gspca_dev, 0xff, 0x00);
1308 	if (autogain)
1309 		val |= 0x05;		/* agc & aec */
1310 	else
1311 		val &= 0xfa;
1312 	sccb_write(gspca_dev, 0x13, val);
1313 }
1314 
1315 static void setexposure(struct gspca_dev *gspca_dev, s32 exposure)
1316 {
1317 	static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
1318 	u8 val;
1319 
1320 	sccb_write(gspca_dev, 0x10, expo[exposure]);	/* aec[9:2] */
1321 
1322 	val = sccb_read(gspca_dev, 0x13);		/* com8 */
1323 	sccb_write(gspca_dev, 0xff, 0x00);
1324 	sccb_write(gspca_dev, 0x13, val);
1325 
1326 	val = sccb_read(gspca_dev, 0xa1);		/* aech */
1327 	sccb_write(gspca_dev, 0xff, 0x00);
1328 	sccb_write(gspca_dev, 0xa1, val & 0xe0);	/* aec[15:10] = 0 */
1329 }
1330 
1331 static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
1332 {
1333 	if (val < 0) {				/* auto */
1334 		val = sccb_read(gspca_dev, 0x42);	/* com17 */
1335 		sccb_write(gspca_dev, 0xff, 0x00);
1336 		sccb_write(gspca_dev, 0x42, val | 0x40);
1337 				/* Edge enhancement strength auto adjust */
1338 		return;
1339 	}
1340 	if (val != 0)
1341 		val = 1 << (val - 1);
1342 	sccb_write(gspca_dev, 0x3f,	/* edge - edge enhance. factor */
1343 			val);
1344 	val = sccb_read(gspca_dev, 0x42);		/* com17 */
1345 	sccb_write(gspca_dev, 0xff, 0x00);
1346 	sccb_write(gspca_dev, 0x42, val & 0xbf);
1347 }
1348 
1349 static void setsatur(struct gspca_dev *gspca_dev, s32 val)
1350 {
1351 	u8 val1, val2, val3;
1352 	static const u8 matrix[5][2] = {
1353 		{0x14, 0x38},
1354 		{0x1e, 0x54},
1355 		{0x28, 0x70},
1356 		{0x32, 0x8c},
1357 		{0x48, 0x90}
1358 	};
1359 
1360 	val1 = matrix[val][0];
1361 	val2 = matrix[val][1];
1362 	val3 = val1 + val2;
1363 	sccb_write(gspca_dev, 0x4f, val3);	/* matrix coeff */
1364 	sccb_write(gspca_dev, 0x50, val3);
1365 	sccb_write(gspca_dev, 0x51, 0x00);
1366 	sccb_write(gspca_dev, 0x52, val1);
1367 	sccb_write(gspca_dev, 0x53, val2);
1368 	sccb_write(gspca_dev, 0x54, val3);
1369 	sccb_write(gspca_dev, 0x58, 0x1a);	/* mtxs - coeff signs */
1370 
1371 	val1 = sccb_read(gspca_dev, 0x41);	/* com16 */
1372 	sccb_write(gspca_dev, 0xff, 0x00);
1373 	sccb_write(gspca_dev, 0x41, val1);
1374 }
1375 
1376 static void setlightfreq(struct gspca_dev *gspca_dev, s32 freq)
1377 {
1378 	u8 val;
1379 
1380 	val = sccb_read(gspca_dev, 0x13);		/* com8 */
1381 	sccb_write(gspca_dev, 0xff, 0x00);
1382 	if (freq == 0) {
1383 		sccb_write(gspca_dev, 0x13, val & 0xdf);
1384 		return;
1385 	}
1386 	sccb_write(gspca_dev, 0x13, val | 0x20);
1387 
1388 	val = sccb_read(gspca_dev, 0x42);		/* com17 */
1389 	sccb_write(gspca_dev, 0xff, 0x00);
1390 	if (freq == 1)
1391 		val |= 0x01;
1392 	else
1393 		val &= 0xfe;
1394 	sccb_write(gspca_dev, 0x42, val);
1395 }
1396 
1397 /* this function is called at probe time */
1398 static int sd_config(struct gspca_dev *gspca_dev,
1399 		     const struct usb_device_id *id)
1400 {
1401 	return 0;
1402 }
1403 
1404 /* this function is called at probe and resume time */
1405 static int sd_init(struct gspca_dev *gspca_dev)
1406 {
1407 	struct sd *sd = (struct sd *) gspca_dev;
1408 	u16 sensor_id;
1409 
1410 	/* reset bridge */
1411 	reg_w(gspca_dev, 0xe7, 0x3a);
1412 	reg_w(gspca_dev, 0xe0, 0x08);
1413 	msleep(100);
1414 
1415 	/* initialize the sensor address */
1416 	reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60);
1417 
1418 	/* reset sensor */
1419 	sccb_write(gspca_dev, 0x12, 0x80);
1420 	msleep(10);
1421 
1422 	/* probe the sensor */
1423 	sccb_read(gspca_dev, 0x0a);
1424 	sensor_id = sccb_read(gspca_dev, 0x0a) << 8;
1425 	sccb_read(gspca_dev, 0x0b);
1426 	sensor_id |= sccb_read(gspca_dev, 0x0b);
1427 	gspca_dbg(gspca_dev, D_PROBE, "Sensor ID: %04x\n", sensor_id);
1428 
1429 	/* initialize */
1430 	if ((sensor_id & 0xfff0) == 0x9650) {
1431 		sd->sensor = SENSOR_OV965x;
1432 
1433 		gspca_dev->cam.cam_mode = ov965x_mode;
1434 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov965x_mode);
1435 
1436 		reg_w_array(gspca_dev, bridge_init,
1437 				ARRAY_SIZE(bridge_init));
1438 		sccb_w_array(gspca_dev, ov965x_init,
1439 				ARRAY_SIZE(ov965x_init));
1440 		reg_w_array(gspca_dev, bridge_init_2,
1441 				ARRAY_SIZE(bridge_init_2));
1442 		sccb_w_array(gspca_dev, ov965x_init_2,
1443 				ARRAY_SIZE(ov965x_init_2));
1444 		reg_w(gspca_dev, 0xe0, 0x00);
1445 		reg_w(gspca_dev, 0xe0, 0x01);
1446 		set_led(gspca_dev, 0);
1447 		reg_w(gspca_dev, 0xe0, 0x00);
1448 	} else if ((sensor_id & 0xfff0) == 0x9710) {
1449 		const char *p;
1450 		int l;
1451 
1452 		sd->sensor = SENSOR_OV971x;
1453 
1454 		gspca_dev->cam.cam_mode = ov971x_mode;
1455 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode);
1456 
1457 		gspca_dev->cam.bulk = 1;
1458 		gspca_dev->cam.bulk_size = 16384;
1459 		gspca_dev->cam.bulk_nurbs = 2;
1460 
1461 		sccb_w_array(gspca_dev, ov971x_init,
1462 				ARRAY_SIZE(ov971x_init));
1463 
1464 		/* set video format on bridge processor */
1465 		/* access bridge processor's video format registers at: 0x00 */
1466 		reg_w(gspca_dev, 0x1c, 0x00);
1467 		/*set register: 0x00 is 'RAW8', 0x40 is 'YUV422' (YUYV?)*/
1468 		reg_w(gspca_dev, 0x1d, 0x00);
1469 
1470 		/* Will W. specific stuff
1471 		 * set VSYNC to
1472 		 *	output (0x1f) if first webcam
1473 		 *	input (0x17) if 2nd or 3rd webcam */
1474 		p = video_device_node_name(&gspca_dev->vdev);
1475 		l = strlen(p) - 1;
1476 		if (p[l] == '0')
1477 			reg_w(gspca_dev, 0x56, 0x1f);
1478 		else
1479 			reg_w(gspca_dev, 0x56, 0x17);
1480 	} else if ((sensor_id & 0xfff0) == 0x5620) {
1481 		sd->sensor = SENSOR_OV562x;
1482 		gspca_dev->cam.cam_mode = ov562x_mode;
1483 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode);
1484 
1485 		reg_w_array(gspca_dev, ov562x_init,
1486 				ARRAY_SIZE(ov562x_init));
1487 		sccb_w_array(gspca_dev, ov562x_init_2,
1488 				ARRAY_SIZE(ov562x_init_2));
1489 		reg_w(gspca_dev, 0xe0, 0x00);
1490 	} else if ((sensor_id & 0xfff0) == 0x3610) {
1491 		sd->sensor = SENSOR_OV361x;
1492 		gspca_dev->cam.cam_mode = ov361x_mode;
1493 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov361x_mode);
1494 		reg_w(gspca_dev, 0xe7, 0x3a);
1495 		reg_w(gspca_dev, 0xf1, 0x60);
1496 		sccb_write(gspca_dev, 0x12, 0x80);
1497 	} else {
1498 		pr_err("Unknown sensor %04x", sensor_id);
1499 		return -EINVAL;
1500 	}
1501 
1502 	return gspca_dev->usb_err;
1503 }
1504 
1505 static int sd_start_ov361x(struct gspca_dev *gspca_dev)
1506 {
1507 	sccb_write(gspca_dev, 0x12, 0x80);
1508 	msleep(20);
1509 	switch (gspca_dev->curr_mode % (ov361x_last)) {
1510 	case ov361x_2048:
1511 		reg_w_array(gspca_dev, ov361x_bridge_start_2048,
1512 			    ARRAY_SIZE(ov361x_bridge_start_2048));
1513 		sccb_w_array(gspca_dev, ov361x_start_2048,
1514 			     ARRAY_SIZE(ov361x_start_2048));
1515 		break;
1516 	case ov361x_1600:
1517 		reg_w_array(gspca_dev, ov361x_bridge_start_1600,
1518 			    ARRAY_SIZE(ov361x_bridge_start_1600));
1519 		sccb_w_array(gspca_dev, ov361x_start_1600,
1520 			     ARRAY_SIZE(ov361x_start_1600));
1521 		break;
1522 	case ov361x_1024:
1523 		reg_w_array(gspca_dev, ov361x_bridge_start_1024,
1524 			    ARRAY_SIZE(ov361x_bridge_start_1024));
1525 		sccb_w_array(gspca_dev, ov361x_start_1024,
1526 			     ARRAY_SIZE(ov361x_start_1024));
1527 		break;
1528 	case ov361x_640:
1529 		reg_w_array(gspca_dev, ov361x_bridge_start_640,
1530 			    ARRAY_SIZE(ov361x_bridge_start_640));
1531 		sccb_w_array(gspca_dev, ov361x_start_640,
1532 			     ARRAY_SIZE(ov361x_start_640));
1533 		break;
1534 	case ov361x_320:
1535 		reg_w_array(gspca_dev, ov361x_bridge_start_320,
1536 			    ARRAY_SIZE(ov361x_bridge_start_320));
1537 		sccb_w_array(gspca_dev, ov361x_start_320,
1538 			     ARRAY_SIZE(ov361x_start_320));
1539 		break;
1540 	case ov361x_160:
1541 		reg_w_array(gspca_dev, ov361x_bridge_start_160,
1542 			    ARRAY_SIZE(ov361x_bridge_start_160));
1543 		sccb_w_array(gspca_dev, ov361x_start_160,
1544 			     ARRAY_SIZE(ov361x_start_160));
1545 		break;
1546 	}
1547 	reg_w(gspca_dev, 0xe0, 0x00); /* start transfer */
1548 
1549 	return gspca_dev->usb_err;
1550 }
1551 
1552 static int sd_start(struct gspca_dev *gspca_dev)
1553 {
1554 	struct sd *sd = (struct sd *) gspca_dev;
1555 
1556 	if (sd->sensor == SENSOR_OV971x)
1557 		return gspca_dev->usb_err;
1558 	if (sd->sensor == SENSOR_OV562x)
1559 		return gspca_dev->usb_err;
1560 	if (sd->sensor == SENSOR_OV361x)
1561 		return sd_start_ov361x(gspca_dev);
1562 
1563 	switch (gspca_dev->curr_mode) {
1564 	case QVGA_MODE:			/* 320x240 */
1565 		sccb_w_array(gspca_dev, ov965x_start_1_vga,
1566 				ARRAY_SIZE(ov965x_start_1_vga));
1567 		reg_w_array(gspca_dev, bridge_start_qvga,
1568 				ARRAY_SIZE(bridge_start_qvga));
1569 		sccb_w_array(gspca_dev, ov965x_start_2_qvga,
1570 				ARRAY_SIZE(ov965x_start_2_qvga));
1571 		break;
1572 	case VGA_MODE:			/* 640x480 */
1573 		sccb_w_array(gspca_dev, ov965x_start_1_vga,
1574 				ARRAY_SIZE(ov965x_start_1_vga));
1575 		reg_w_array(gspca_dev, bridge_start_vga,
1576 				ARRAY_SIZE(bridge_start_vga));
1577 		sccb_w_array(gspca_dev, ov965x_start_2_vga,
1578 				ARRAY_SIZE(ov965x_start_2_vga));
1579 		break;
1580 	case SVGA_MODE:			/* 800x600 */
1581 		sccb_w_array(gspca_dev, ov965x_start_1_svga,
1582 				ARRAY_SIZE(ov965x_start_1_svga));
1583 		reg_w_array(gspca_dev, bridge_start_svga,
1584 				ARRAY_SIZE(bridge_start_svga));
1585 		sccb_w_array(gspca_dev, ov965x_start_2_svga,
1586 				ARRAY_SIZE(ov965x_start_2_svga));
1587 		break;
1588 	case XGA_MODE:			/* 1024x768 */
1589 		sccb_w_array(gspca_dev, ov965x_start_1_xga,
1590 				ARRAY_SIZE(ov965x_start_1_xga));
1591 		reg_w_array(gspca_dev, bridge_start_xga,
1592 				ARRAY_SIZE(bridge_start_xga));
1593 		sccb_w_array(gspca_dev, ov965x_start_2_svga,
1594 				ARRAY_SIZE(ov965x_start_2_svga));
1595 		break;
1596 	default:
1597 /*	case SXGA_MODE:			 * 1280x1024 */
1598 		sccb_w_array(gspca_dev, ov965x_start_1_sxga,
1599 				ARRAY_SIZE(ov965x_start_1_sxga));
1600 		reg_w_array(gspca_dev, bridge_start_sxga,
1601 				ARRAY_SIZE(bridge_start_sxga));
1602 		sccb_w_array(gspca_dev, ov965x_start_2_sxga,
1603 				ARRAY_SIZE(ov965x_start_2_sxga));
1604 		break;
1605 	}
1606 
1607 	reg_w(gspca_dev, 0xe0, 0x00);
1608 	reg_w(gspca_dev, 0xe0, 0x00);
1609 	set_led(gspca_dev, 1);
1610 	return gspca_dev->usb_err;
1611 }
1612 
1613 static void sd_stopN(struct gspca_dev *gspca_dev)
1614 {
1615 	if (((struct sd *)gspca_dev)->sensor == SENSOR_OV361x) {
1616 		reg_w(gspca_dev, 0xe0, 0x01); /* stop transfer */
1617 		/* reg_w(gspca_dev, 0x31, 0x09); */
1618 		return;
1619 	}
1620 	reg_w(gspca_dev, 0xe0, 0x01);
1621 	set_led(gspca_dev, 0);
1622 	reg_w(gspca_dev, 0xe0, 0x00);
1623 }
1624 
1625 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
1626 #define UVC_STREAM_EOH	(1 << 7)
1627 #define UVC_STREAM_ERR	(1 << 6)
1628 #define UVC_STREAM_STI	(1 << 5)
1629 #define UVC_STREAM_RES	(1 << 4)
1630 #define UVC_STREAM_SCR	(1 << 3)
1631 #define UVC_STREAM_PTS	(1 << 2)
1632 #define UVC_STREAM_EOF	(1 << 1)
1633 #define UVC_STREAM_FID	(1 << 0)
1634 
1635 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1636 			u8 *data, int len)
1637 {
1638 	struct sd *sd = (struct sd *) gspca_dev;
1639 	__u32 this_pts;
1640 	u8 this_fid;
1641 	int remaining_len = len;
1642 	int payload_len;
1643 
1644 	payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
1645 	do {
1646 		len = min(remaining_len, payload_len);
1647 
1648 		/* Payloads are prefixed with a UVC-style header.  We
1649 		   consider a frame to start when the FID toggles, or the PTS
1650 		   changes.  A frame ends when EOF is set, and we've received
1651 		   the correct number of bytes. */
1652 
1653 		/* Verify UVC header.  Header length is always 12 */
1654 		if (data[0] != 12 || len < 12) {
1655 			gspca_dbg(gspca_dev, D_PACK, "bad header\n");
1656 			goto discard;
1657 		}
1658 
1659 		/* Check errors */
1660 		if (data[1] & UVC_STREAM_ERR) {
1661 			gspca_dbg(gspca_dev, D_PACK, "payload error\n");
1662 			goto discard;
1663 		}
1664 
1665 		/* Extract PTS and FID */
1666 		if (!(data[1] & UVC_STREAM_PTS)) {
1667 			gspca_dbg(gspca_dev, D_PACK, "PTS not present\n");
1668 			goto discard;
1669 		}
1670 		this_pts = (data[5] << 24) | (data[4] << 16)
1671 						| (data[3] << 8) | data[2];
1672 		this_fid = data[1] & UVC_STREAM_FID;
1673 
1674 		/* If PTS or FID has changed, start a new frame. */
1675 		if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
1676 			if (gspca_dev->last_packet_type == INTER_PACKET)
1677 				gspca_frame_add(gspca_dev, LAST_PACKET,
1678 						NULL, 0);
1679 			sd->last_pts = this_pts;
1680 			sd->last_fid = this_fid;
1681 			gspca_frame_add(gspca_dev, FIRST_PACKET,
1682 					data + 12, len - 12);
1683 		/* If this packet is marked as EOF, end the frame */
1684 		} else if (data[1] & UVC_STREAM_EOF) {
1685 			sd->last_pts = 0;
1686 			gspca_frame_add(gspca_dev, LAST_PACKET,
1687 					data + 12, len - 12);
1688 		} else {
1689 
1690 			/* Add the data from this payload */
1691 			gspca_frame_add(gspca_dev, INTER_PACKET,
1692 					data + 12, len - 12);
1693 		}
1694 
1695 		/* Done this payload */
1696 		goto scan_next;
1697 
1698 discard:
1699 		/* Discard data until a new frame starts. */
1700 		gspca_dev->last_packet_type = DISCARD_PACKET;
1701 
1702 scan_next:
1703 		remaining_len -= len;
1704 		data += len;
1705 	} while (remaining_len > 0);
1706 }
1707 
1708 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1709 {
1710 	struct gspca_dev *gspca_dev =
1711 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1712 
1713 	gspca_dev->usb_err = 0;
1714 
1715 	if (!gspca_dev->streaming)
1716 		return 0;
1717 
1718 	switch (ctrl->id) {
1719 	case V4L2_CID_BRIGHTNESS:
1720 		setbrightness(gspca_dev, ctrl->val);
1721 		break;
1722 	case V4L2_CID_CONTRAST:
1723 		setcontrast(gspca_dev, ctrl->val);
1724 		break;
1725 	case V4L2_CID_SATURATION:
1726 		setsatur(gspca_dev, ctrl->val);
1727 		break;
1728 	case V4L2_CID_POWER_LINE_FREQUENCY:
1729 		setlightfreq(gspca_dev, ctrl->val);
1730 		break;
1731 	case V4L2_CID_SHARPNESS:
1732 		setsharpness(gspca_dev, ctrl->val);
1733 		break;
1734 	case V4L2_CID_AUTOGAIN:
1735 		if (ctrl->is_new)
1736 			setautogain(gspca_dev, ctrl->val);
1737 		if (!ctrl->val && gspca_dev->exposure->is_new)
1738 			setexposure(gspca_dev, gspca_dev->exposure->val);
1739 		break;
1740 	}
1741 	return gspca_dev->usb_err;
1742 }
1743 
1744 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1745 	.s_ctrl = sd_s_ctrl,
1746 };
1747 
1748 static int sd_init_controls(struct gspca_dev *gspca_dev)
1749 {
1750 	struct sd *sd = (struct sd *)gspca_dev;
1751 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1752 
1753 	if (sd->sensor == SENSOR_OV971x)
1754 		return 0;
1755 	if (sd->sensor == SENSOR_OV361x)
1756 		return 0;
1757 	gspca_dev->vdev.ctrl_handler = hdl;
1758 	v4l2_ctrl_handler_init(hdl, 7);
1759 	if (sd->sensor == SENSOR_OV562x) {
1760 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1761 			V4L2_CID_BRIGHTNESS, -90, 90, 1, 0);
1762 	} else {
1763 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1764 			V4L2_CID_BRIGHTNESS, 0, 15, 1, 7);
1765 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1766 			V4L2_CID_CONTRAST, 0, 15, 1, 3);
1767 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1768 			V4L2_CID_SATURATION, 0, 4, 1, 2);
1769 		/* -1 = auto */
1770 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1771 			V4L2_CID_SHARPNESS, -1, 4, 1, -1);
1772 		gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1773 			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1774 		gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1775 			V4L2_CID_EXPOSURE, 0, 3, 1, 0);
1776 		v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
1777 			V4L2_CID_POWER_LINE_FREQUENCY,
1778 			V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
1779 		v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
1780 	}
1781 
1782 	if (hdl->error) {
1783 		pr_err("Could not initialize controls\n");
1784 		return hdl->error;
1785 	}
1786 	return 0;
1787 }
1788 
1789 /* sub-driver description */
1790 static const struct sd_desc sd_desc = {
1791 	.name     = MODULE_NAME,
1792 	.config   = sd_config,
1793 	.init     = sd_init,
1794 	.init_controls = sd_init_controls,
1795 	.start    = sd_start,
1796 	.stopN    = sd_stopN,
1797 	.pkt_scan = sd_pkt_scan,
1798 };
1799 
1800 /* -- module initialisation -- */
1801 static const struct usb_device_id device_table[] = {
1802 	{USB_DEVICE(0x05a9, 0x8065)},
1803 	{USB_DEVICE(0x06f8, 0x3003)},
1804 	{USB_DEVICE(0x05a9, 0x1550)},
1805 	{}
1806 };
1807 
1808 MODULE_DEVICE_TABLE(usb, device_table);
1809 
1810 /* -- device connect -- */
1811 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1812 {
1813 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1814 				THIS_MODULE);
1815 }
1816 
1817 static struct usb_driver sd_driver = {
1818 	.name       = MODULE_NAME,
1819 	.id_table   = device_table,
1820 	.probe      = sd_probe,
1821 	.disconnect = gspca_disconnect,
1822 #ifdef CONFIG_PM
1823 	.suspend    = gspca_suspend,
1824 	.resume     = gspca_resume,
1825 	.reset_resume = gspca_resume,
1826 #endif
1827 };
1828 
1829 module_usb_driver(sd_driver);
1830