xref: /openbmc/linux/drivers/media/usb/gspca/ov534_9.c (revision 0d456bad)
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  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25  */
26 
27 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
28 
29 #define MODULE_NAME "ov534_9"
30 
31 #include "gspca.h"
32 
33 #define OV534_REG_ADDRESS	0xf1	/* sensor address */
34 #define OV534_REG_SUBADDR	0xf2
35 #define OV534_REG_WRITE		0xf3
36 #define OV534_REG_READ		0xf4
37 #define OV534_REG_OPERATION	0xf5
38 #define OV534_REG_STATUS	0xf6
39 
40 #define OV534_OP_WRITE_3	0x37
41 #define OV534_OP_WRITE_2	0x33
42 #define OV534_OP_READ_2		0xf9
43 
44 #define CTRL_TIMEOUT 500
45 
46 MODULE_AUTHOR("Jean-Francois Moine <moinejf@free.fr>");
47 MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver");
48 MODULE_LICENSE("GPL");
49 
50 /* specific webcam descriptor */
51 struct sd {
52 	struct gspca_dev gspca_dev;	/* !! must be the first item */
53 	__u32 last_pts;
54 	u8 last_fid;
55 
56 	u8 sensor;
57 };
58 enum sensors {
59 	SENSOR_OV965x,		/* ov9657 */
60 	SENSOR_OV971x,		/* ov9712 */
61 	SENSOR_OV562x,		/* ov5621 */
62 	NSENSORS
63 };
64 
65 static const struct v4l2_pix_format ov965x_mode[] = {
66 #define QVGA_MODE 0
67 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
68 		.bytesperline = 320,
69 		.sizeimage = 320 * 240 * 3 / 8 + 590,
70 		.colorspace = V4L2_COLORSPACE_JPEG},
71 #define VGA_MODE 1
72 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
73 		.bytesperline = 640,
74 		.sizeimage = 640 * 480 * 3 / 8 + 590,
75 		.colorspace = V4L2_COLORSPACE_JPEG},
76 #define SVGA_MODE 2
77 	{800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
78 		.bytesperline = 800,
79 		.sizeimage = 800 * 600 * 3 / 8 + 590,
80 		.colorspace = V4L2_COLORSPACE_JPEG},
81 #define XGA_MODE 3
82 	{1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
83 		.bytesperline = 1024,
84 		.sizeimage = 1024 * 768 * 3 / 8 + 590,
85 		.colorspace = V4L2_COLORSPACE_JPEG},
86 #define SXGA_MODE 4
87 	{1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
88 		.bytesperline = 1280,
89 		.sizeimage = 1280 * 1024 * 3 / 8 + 590,
90 		.colorspace = V4L2_COLORSPACE_JPEG},
91 };
92 
93 static const struct v4l2_pix_format ov971x_mode[] = {
94 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
95 		.bytesperline = 640,
96 		.sizeimage = 640 * 480,
97 		.colorspace = V4L2_COLORSPACE_SRGB
98 	}
99 };
100 
101 static const struct v4l2_pix_format ov562x_mode[] = {
102 	{2592, 1680, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
103 		.bytesperline = 2592,
104 		.sizeimage = 2592 * 1680,
105 		.colorspace = V4L2_COLORSPACE_SRGB
106 	}
107 };
108 
109 static const u8 bridge_init[][2] = {
110 	{0x88, 0xf8},
111 	{0x89, 0xff},
112 	{0x76, 0x03},
113 	{0x92, 0x03},
114 	{0x95, 0x10},
115 	{0xe2, 0x00},
116 	{0xe7, 0x3e},
117 	{0x8d, 0x1c},
118 	{0x8e, 0x00},
119 	{0x8f, 0x00},
120 	{0x1f, 0x00},
121 	{0xc3, 0xf9},
122 	{0x89, 0xff},
123 	{0x88, 0xf8},
124 	{0x76, 0x03},
125 	{0x92, 0x01},
126 	{0x93, 0x18},
127 	{0x1c, 0x0a},
128 	{0x1d, 0x48},
129 	{0xc0, 0x50},
130 	{0xc1, 0x3c},
131 	{0x34, 0x05},
132 	{0xc2, 0x0c},
133 	{0xc3, 0xf9},
134 	{0x34, 0x05},
135 	{0xe7, 0x2e},
136 	{0x31, 0xf9},
137 	{0x35, 0x02},
138 	{0xd9, 0x10},
139 	{0x25, 0x42},
140 	{0x94, 0x11},
141 };
142 
143 static const u8 ov965x_init[][2] = {
144 	{0x12, 0x80},	/* com7 - SSCB reset */
145 	{0x00, 0x00},	/* gain */
146 	{0x01, 0x80},	/* blue */
147 	{0x02, 0x80},	/* red */
148 	{0x03, 0x1b},	/* vref */
149 	{0x04, 0x03},	/* com1 - exposure low bits */
150 	{0x0b, 0x57},	/* ver */
151 	{0x0e, 0x61},	/* com5 */
152 	{0x0f, 0x42},	/* com6 */
153 	{0x11, 0x00},	/* clkrc */
154 	{0x12, 0x02},	/* com7 - 15fps VGA YUYV */
155 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
156 	{0x14, 0x28},	/* com9 */
157 	{0x16, 0x24},	/* reg16 */
158 	{0x17, 0x1d},	/* hstart*/
159 	{0x18, 0xbd},	/* hstop */
160 	{0x19, 0x01},	/* vstrt */
161 	{0x1a, 0x81},	/* vstop*/
162 	{0x1e, 0x04},	/* mvfp */
163 	{0x24, 0x3c},	/* aew */
164 	{0x25, 0x36},	/* aeb */
165 	{0x26, 0x71},	/* vpt */
166 	{0x27, 0x08},	/* bbias */
167 	{0x28, 0x08},	/* gbbias */
168 	{0x29, 0x15},	/* gr com */
169 	{0x2a, 0x00},	/* exhch */
170 	{0x2b, 0x00},	/* exhcl */
171 	{0x2c, 0x08},	/* rbias */
172 	{0x32, 0xff},	/* href */
173 	{0x33, 0x00},	/* chlf */
174 	{0x34, 0x3f},	/* aref1 */
175 	{0x35, 0x00},	/* aref2 */
176 	{0x36, 0xf8},	/* aref3 */
177 	{0x38, 0x72},	/* adc2 */
178 	{0x39, 0x57},	/* aref4 */
179 	{0x3a, 0x80},	/* tslb - yuyv */
180 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
181 	{0x3d, 0x99},	/* com13 */
182 	{0x3f, 0xc1},	/* edge */
183 	{0x40, 0xc0},	/* com15 */
184 	{0x41, 0x40},	/* com16 */
185 	{0x42, 0xc0},	/* com17 */
186 	{0x43, 0x0a},	/* rsvd */
187 	{0x44, 0xf0},
188 	{0x45, 0x46},
189 	{0x46, 0x62},
190 	{0x47, 0x2a},
191 	{0x48, 0x3c},
192 	{0x4a, 0xfc},
193 	{0x4b, 0xfc},
194 	{0x4c, 0x7f},
195 	{0x4d, 0x7f},
196 	{0x4e, 0x7f},
197 	{0x4f, 0x98},	/* matrix */
198 	{0x50, 0x98},
199 	{0x51, 0x00},
200 	{0x52, 0x28},
201 	{0x53, 0x70},
202 	{0x54, 0x98},
203 	{0x58, 0x1a},	/* matrix coef sign */
204 	{0x59, 0x85},	/* AWB control */
205 	{0x5a, 0xa9},
206 	{0x5b, 0x64},
207 	{0x5c, 0x84},
208 	{0x5d, 0x53},
209 	{0x5e, 0x0e},
210 	{0x5f, 0xf0},	/* AWB blue limit */
211 	{0x60, 0xf0},	/* AWB red limit */
212 	{0x61, 0xf0},	/* AWB green limit */
213 	{0x62, 0x00},	/* lcc1 */
214 	{0x63, 0x00},	/* lcc2 */
215 	{0x64, 0x02},	/* lcc3 */
216 	{0x65, 0x16},	/* lcc4 */
217 	{0x66, 0x01},	/* lcc5 */
218 	{0x69, 0x02},	/* hv */
219 	{0x6b, 0x5a},	/* dbvl */
220 	{0x6c, 0x04},
221 	{0x6d, 0x55},
222 	{0x6e, 0x00},
223 	{0x6f, 0x9d},
224 	{0x70, 0x21},	/* dnsth */
225 	{0x71, 0x78},
226 	{0x72, 0x00},	/* poidx */
227 	{0x73, 0x01},	/* pckdv */
228 	{0x74, 0x3a},	/* xindx */
229 	{0x75, 0x35},	/* yindx */
230 	{0x76, 0x01},
231 	{0x77, 0x02},
232 	{0x7a, 0x12},	/* gamma curve */
233 	{0x7b, 0x08},
234 	{0x7c, 0x16},
235 	{0x7d, 0x30},
236 	{0x7e, 0x5e},
237 	{0x7f, 0x72},
238 	{0x80, 0x82},
239 	{0x81, 0x8e},
240 	{0x82, 0x9a},
241 	{0x83, 0xa4},
242 	{0x84, 0xac},
243 	{0x85, 0xb8},
244 	{0x86, 0xc3},
245 	{0x87, 0xd6},
246 	{0x88, 0xe6},
247 	{0x89, 0xf2},
248 	{0x8a, 0x03},
249 	{0x8c, 0x89},	/* com19 */
250 	{0x14, 0x28},	/* com9 */
251 	{0x90, 0x7d},
252 	{0x91, 0x7b},
253 	{0x9d, 0x03},	/* lcc6 */
254 	{0x9e, 0x04},	/* lcc7 */
255 	{0x9f, 0x7a},
256 	{0xa0, 0x79},
257 	{0xa1, 0x40},	/* aechm */
258 	{0xa4, 0x50},	/* com21 */
259 	{0xa5, 0x68},	/* com26 */
260 	{0xa6, 0x4a},	/* AWB green */
261 	{0xa8, 0xc1},	/* refa8 */
262 	{0xa9, 0xef},	/* refa9 */
263 	{0xaa, 0x92},
264 	{0xab, 0x04},
265 	{0xac, 0x80},	/* black level control */
266 	{0xad, 0x80},
267 	{0xae, 0x80},
268 	{0xaf, 0x80},
269 	{0xb2, 0xf2},
270 	{0xb3, 0x20},
271 	{0xb4, 0x20},	/* ctrlb4 */
272 	{0xb5, 0x00},
273 	{0xb6, 0xaf},
274 	{0xbb, 0xae},
275 	{0xbc, 0x7f},	/* ADC channel offsets */
276 	{0xdb, 0x7f},
277 	{0xbe, 0x7f},
278 	{0xbf, 0x7f},
279 	{0xc0, 0xe2},
280 	{0xc1, 0xc0},
281 	{0xc2, 0x01},
282 	{0xc3, 0x4e},
283 	{0xc6, 0x85},
284 	{0xc7, 0x80},	/* com24 */
285 	{0xc9, 0xe0},
286 	{0xca, 0xe8},
287 	{0xcb, 0xf0},
288 	{0xcc, 0xd8},
289 	{0xcd, 0xf1},
290 	{0x4f, 0x98},	/* matrix */
291 	{0x50, 0x98},
292 	{0x51, 0x00},
293 	{0x52, 0x28},
294 	{0x53, 0x70},
295 	{0x54, 0x98},
296 	{0x58, 0x1a},
297 	{0xff, 0x41},	/* read 41, write ff 00 */
298 	{0x41, 0x40},	/* com16 */
299 
300 	{0xc5, 0x03},	/* 60 Hz banding filter */
301 	{0x6a, 0x02},	/* 50 Hz banding filter */
302 
303 	{0x12, 0x62},	/* com7 - 30fps VGA YUV */
304 	{0x36, 0xfa},	/* aref3 */
305 	{0x69, 0x0a},	/* hv */
306 	{0x8c, 0x89},	/* com22 */
307 	{0x14, 0x28},	/* com9 */
308 	{0x3e, 0x0c},
309 	{0x41, 0x40},	/* com16 */
310 	{0x72, 0x00},
311 	{0x73, 0x00},
312 	{0x74, 0x3a},
313 	{0x75, 0x35},
314 	{0x76, 0x01},
315 	{0xc7, 0x80},
316 	{0x03, 0x12},	/* vref */
317 	{0x17, 0x16},	/* hstart */
318 	{0x18, 0x02},	/* hstop */
319 	{0x19, 0x01},	/* vstrt */
320 	{0x1a, 0x3d},	/* vstop */
321 	{0x32, 0xff},	/* href */
322 	{0xc0, 0xaa},
323 };
324 
325 static const u8 bridge_init_2[][2] = {
326 	{0x94, 0xaa},
327 	{0xf1, 0x60},
328 	{0xe5, 0x04},
329 	{0xc0, 0x50},
330 	{0xc1, 0x3c},
331 	{0x8c, 0x00},
332 	{0x8d, 0x1c},
333 	{0x34, 0x05},
334 
335 	{0xc2, 0x0c},
336 	{0xc3, 0xf9},
337 	{0xda, 0x01},
338 	{0x50, 0x00},
339 	{0x51, 0xa0},
340 	{0x52, 0x3c},
341 	{0x53, 0x00},
342 	{0x54, 0x00},
343 	{0x55, 0x00},
344 	{0x57, 0x00},
345 	{0x5c, 0x00},
346 	{0x5a, 0xa0},
347 	{0x5b, 0x78},
348 	{0x35, 0x02},
349 	{0xd9, 0x10},
350 	{0x94, 0x11},
351 };
352 
353 static const u8 ov965x_init_2[][2] = {
354 	{0x3b, 0xc4},
355 	{0x1e, 0x04},	/* mvfp */
356 	{0x13, 0xe0},	/* com8 */
357 	{0x00, 0x00},	/* gain */
358 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
359 	{0x11, 0x03},	/* clkrc */
360 	{0x6b, 0x5a},	/* dblv */
361 	{0x6a, 0x05},
362 	{0xc5, 0x07},
363 	{0xa2, 0x4b},
364 	{0xa3, 0x3e},
365 	{0x2d, 0x00},
366 	{0xff, 0x42},	/* read 42, write ff 00 */
367 	{0x42, 0xc0},	/* com17 */
368 	{0x2d, 0x00},
369 	{0xff, 0x42},	/* read 42, write ff 00 */
370 	{0x42, 0xc1},	/* com17 */
371 /* sharpness */
372 	{0x3f, 0x01},
373 	{0xff, 0x42},	/* read 42, write ff 00 */
374 	{0x42, 0xc1},	/* com17 */
375 /* saturation */
376 	{0x4f, 0x98},	/* matrix */
377 	{0x50, 0x98},
378 	{0x51, 0x00},
379 	{0x52, 0x28},
380 	{0x53, 0x70},
381 	{0x54, 0x98},
382 	{0x58, 0x1a},
383 	{0xff, 0x41},	/* read 41, write ff 00 */
384 	{0x41, 0x40},	/* com16 */
385 /* contrast */
386 	{0x56, 0x40},
387 /* brightness */
388 	{0x55, 0x8f},
389 /* expo */
390 	{0x10, 0x25},	/* aech - exposure high bits */
391 	{0xff, 0x13},	/* read 13, write ff 00 */
392 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
393 };
394 
395 static const u8 ov971x_init[][2] = {
396 	{0x12, 0x80},
397 	{0x09, 0x10},
398 	{0x1e, 0x07},
399 	{0x5f, 0x18},
400 	{0x69, 0x04},
401 	{0x65, 0x2a},
402 	{0x68, 0x0a},
403 	{0x39, 0x28},
404 	{0x4d, 0x90},
405 	{0xc1, 0x80},
406 	{0x0c, 0x30},
407 	{0x6d, 0x02},
408 	{0x96, 0xf1},
409 	{0xbc, 0x68},
410 	{0x12, 0x00},
411 	{0x3b, 0x00},
412 	{0x97, 0x80},
413 	{0x17, 0x25},
414 	{0x18, 0xa2},
415 	{0x19, 0x01},
416 	{0x1a, 0xca},
417 	{0x03, 0x0a},
418 	{0x32, 0x07},
419 	{0x98, 0x40},	/*{0x98, 0x00},*/
420 	{0x99, 0xA0},	/*{0x99, 0x00},*/
421 	{0x9a, 0x01},	/*{0x9a, 0x00},*/
422 	{0x57, 0x00},
423 	{0x58, 0x78},	/*{0x58, 0xc8},*/
424 	{0x59, 0x50},	/*{0x59, 0xa0},*/
425 	{0x4c, 0x13},
426 	{0x4b, 0x36},
427 	{0x3d, 0x3c},
428 	{0x3e, 0x03},
429 	{0xbd, 0x50},	/*{0xbd, 0xa0},*/
430 	{0xbe, 0x78},	/*{0xbe, 0xc8},*/
431 	{0x4e, 0x55},
432 	{0x4f, 0x55},
433 	{0x50, 0x55},
434 	{0x51, 0x55},
435 	{0x24, 0x55},
436 	{0x25, 0x40},
437 	{0x26, 0xa1},
438 	{0x5c, 0x59},
439 	{0x5d, 0x00},
440 	{0x11, 0x00},
441 	{0x2a, 0x98},
442 	{0x2b, 0x06},
443 	{0x2d, 0x00},
444 	{0x2e, 0x00},
445 	{0x13, 0xa5},
446 	{0x14, 0x40},
447 	{0x4a, 0x00},
448 	{0x49, 0xce},
449 	{0x22, 0x03},
450 	{0x09, 0x00}
451 };
452 
453 static const u8 ov965x_start_1_vga[][2] = {	/* same for qvga */
454 	{0x12, 0x62},	/* com7 - 30fps VGA YUV */
455 	{0x36, 0xfa},	/* aref3 */
456 	{0x69, 0x0a},	/* hv */
457 	{0x8c, 0x89},	/* com22 */
458 	{0x14, 0x28},	/* com9 */
459 	{0x3e, 0x0c},	/* com14 */
460 	{0x41, 0x40},	/* com16 */
461 	{0x72, 0x00},
462 	{0x73, 0x00},
463 	{0x74, 0x3a},
464 	{0x75, 0x35},
465 	{0x76, 0x01},
466 	{0xc7, 0x80},	/* com24 */
467 	{0x03, 0x12},	/* vref */
468 	{0x17, 0x16},	/* hstart */
469 	{0x18, 0x02},	/* hstop */
470 	{0x19, 0x01},	/* vstrt */
471 	{0x1a, 0x3d},	/* vstop */
472 	{0x32, 0xff},	/* href */
473 	{0xc0, 0xaa},
474 };
475 
476 static const u8 ov965x_start_1_svga[][2] = {
477 	{0x12, 0x02},	/* com7 - YUYV - VGA 15 full resolution */
478 	{0x36, 0xf8},	/* aref3 */
479 	{0x69, 0x02},	/* hv */
480 	{0x8c, 0x0d},	/* com22 */
481 	{0x3e, 0x0c},	/* com14 */
482 	{0x41, 0x40},	/* com16 */
483 	{0x72, 0x00},
484 	{0x73, 0x01},
485 	{0x74, 0x3a},
486 	{0x75, 0x35},
487 	{0x76, 0x01},
488 	{0xc7, 0x80},	/* com24 */
489 	{0x03, 0x1b},	/* vref */
490 	{0x17, 0x1d},	/* hstart */
491 	{0x18, 0xbd},	/* hstop */
492 	{0x19, 0x01},	/* vstrt */
493 	{0x1a, 0x81},	/* vstop */
494 	{0x32, 0xff},	/* href */
495 	{0xc0, 0xe2},
496 };
497 
498 static const u8 ov965x_start_1_xga[][2] = {
499 	{0x12, 0x02},	/* com7 */
500 	{0x36, 0xf8},	/* aref3 */
501 	{0x69, 0x02},	/* hv */
502 	{0x8c, 0x89},	/* com22 */
503 	{0x14, 0x28},	/* com9 */
504 	{0x3e, 0x0c},	/* com14 */
505 	{0x41, 0x40},	/* com16 */
506 	{0x72, 0x00},
507 	{0x73, 0x01},
508 	{0x74, 0x3a},
509 	{0x75, 0x35},
510 	{0x76, 0x01},
511 	{0xc7, 0x80},	/* com24 */
512 	{0x03, 0x1b},	/* vref */
513 	{0x17, 0x1d},	/* hstart */
514 	{0x18, 0xbd},	/* hstop */
515 	{0x19, 0x01},	/* vstrt */
516 	{0x1a, 0x81},	/* vstop */
517 	{0x32, 0xff},	/* href */
518 	{0xc0, 0xe2},
519 };
520 
521 static const u8 ov965x_start_1_sxga[][2] = {
522 	{0x12, 0x02},	/* com7 */
523 	{0x36, 0xf8},	/* aref3 */
524 	{0x69, 0x02},	/* hv */
525 	{0x8c, 0x89},	/* com22 */
526 	{0x14, 0x28},	/* com9 */
527 	{0x3e, 0x0c},	/* com14 */
528 	{0x41, 0x40},	/* com16 */
529 	{0x72, 0x00},
530 	{0x73, 0x01},
531 	{0x74, 0x3a},
532 	{0x75, 0x35},
533 	{0x76, 0x01},
534 	{0xc7, 0x80},	/* com24 */
535 	{0x03, 0x1b},	/* vref */
536 	{0x17, 0x1d},	/* hstart */
537 	{0x18, 0x02},	/* hstop */
538 	{0x19, 0x01},	/* vstrt */
539 	{0x1a, 0x81},	/* vstop */
540 	{0x32, 0xff},	/* href */
541 	{0xc0, 0xe2},
542 };
543 
544 static const u8 bridge_start_qvga[][2] = {
545 	{0x94, 0xaa},
546 	{0xf1, 0x60},
547 	{0xe5, 0x04},
548 	{0xc0, 0x50},
549 	{0xc1, 0x3c},
550 	{0x8c, 0x00},
551 	{0x8d, 0x1c},
552 	{0x34, 0x05},
553 
554 	{0xc2, 0x4c},
555 	{0xc3, 0xf9},
556 	{0xda, 0x00},
557 	{0x50, 0x00},
558 	{0x51, 0xa0},
559 	{0x52, 0x78},
560 	{0x53, 0x00},
561 	{0x54, 0x00},
562 	{0x55, 0x00},
563 	{0x57, 0x00},
564 	{0x5c, 0x00},
565 	{0x5a, 0x50},
566 	{0x5b, 0x3c},
567 	{0x35, 0x02},
568 	{0xd9, 0x10},
569 	{0x94, 0x11},
570 };
571 
572 static const u8 bridge_start_vga[][2] = {
573 	{0x94, 0xaa},
574 	{0xf1, 0x60},
575 	{0xe5, 0x04},
576 	{0xc0, 0x50},
577 	{0xc1, 0x3c},
578 	{0x8c, 0x00},
579 	{0x8d, 0x1c},
580 	{0x34, 0x05},
581 	{0xc2, 0x0c},
582 	{0xc3, 0xf9},
583 	{0xda, 0x01},
584 	{0x50, 0x00},
585 	{0x51, 0xa0},
586 	{0x52, 0x3c},
587 	{0x53, 0x00},
588 	{0x54, 0x00},
589 	{0x55, 0x00},
590 	{0x57, 0x00},
591 	{0x5c, 0x00},
592 	{0x5a, 0xa0},
593 	{0x5b, 0x78},
594 	{0x35, 0x02},
595 	{0xd9, 0x10},
596 	{0x94, 0x11},
597 };
598 
599 static const u8 bridge_start_svga[][2] = {
600 	{0x94, 0xaa},
601 	{0xf1, 0x60},
602 	{0xe5, 0x04},
603 	{0xc0, 0xa0},
604 	{0xc1, 0x80},
605 	{0x8c, 0x00},
606 	{0x8d, 0x1c},
607 	{0x34, 0x05},
608 	{0xc2, 0x4c},
609 	{0xc3, 0xf9},
610 	{0x50, 0x00},
611 	{0x51, 0x40},
612 	{0x52, 0x00},
613 	{0x53, 0x00},
614 	{0x54, 0x00},
615 	{0x55, 0x88},
616 	{0x57, 0x00},
617 	{0x5c, 0x00},
618 	{0x5a, 0xc8},
619 	{0x5b, 0x96},
620 	{0x35, 0x02},
621 	{0xd9, 0x10},
622 	{0xda, 0x00},
623 	{0x94, 0x11},
624 };
625 
626 static const u8 bridge_start_xga[][2] = {
627 	{0x94, 0xaa},
628 	{0xf1, 0x60},
629 	{0xe5, 0x04},
630 	{0xc0, 0xa0},
631 	{0xc1, 0x80},
632 	{0x8c, 0x00},
633 	{0x8d, 0x1c},
634 	{0x34, 0x05},
635 	{0xc2, 0x4c},
636 	{0xc3, 0xf9},
637 	{0x50, 0x00},
638 	{0x51, 0x40},
639 	{0x52, 0x00},
640 	{0x53, 0x00},
641 	{0x54, 0x00},
642 	{0x55, 0x88},
643 	{0x57, 0x00},
644 	{0x5c, 0x01},
645 	{0x5a, 0x00},
646 	{0x5b, 0xc0},
647 	{0x35, 0x02},
648 	{0xd9, 0x10},
649 	{0xda, 0x01},
650 	{0x94, 0x11},
651 };
652 
653 static const u8 bridge_start_sxga[][2] = {
654 	{0x94, 0xaa},
655 	{0xf1, 0x60},
656 	{0xe5, 0x04},
657 	{0xc0, 0xa0},
658 	{0xc1, 0x80},
659 	{0x8c, 0x00},
660 	{0x8d, 0x1c},
661 	{0x34, 0x05},
662 	{0xc2, 0x0c},
663 	{0xc3, 0xf9},
664 	{0xda, 0x00},
665 	{0x35, 0x02},
666 	{0xd9, 0x10},
667 	{0x94, 0x11},
668 };
669 
670 static const u8 ov965x_start_2_qvga[][2] = {
671 	{0x3b, 0xe4},	/* com11 - night mode 1/4 frame rate */
672 	{0x1e, 0x04},	/* mvfp */
673 	{0x13, 0xe0},	/* com8 */
674 	{0x00, 0x00},
675 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
676 	{0x11, 0x01},	/* clkrc */
677 	{0x6b, 0x5a},	/* dblv */
678 	{0x6a, 0x02},	/* 50 Hz banding filter */
679 	{0xc5, 0x03},	/* 60 Hz banding filter */
680 	{0xa2, 0x96},	/* bd50 */
681 	{0xa3, 0x7d},	/* bd60 */
682 
683 	{0xff, 0x13},	/* read 13, write ff 00 */
684 	{0x13, 0xe7},
685 	{0x3a, 0x80},	/* tslb - yuyv */
686 };
687 
688 static const u8 ov965x_start_2_vga[][2] = {
689 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
690 	{0x1e, 0x04},	/* mvfp */
691 	{0x13, 0xe0},	/* com8 */
692 	{0x00, 0x00},
693 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
694 	{0x11, 0x03},	/* clkrc */
695 	{0x6b, 0x5a},	/* dblv */
696 	{0x6a, 0x05},	/* 50 Hz banding filter */
697 	{0xc5, 0x07},	/* 60 Hz banding filter */
698 	{0xa2, 0x4b},	/* bd50 */
699 	{0xa3, 0x3e},	/* bd60 */
700 
701 	{0x2d, 0x00},	/* advfl */
702 };
703 
704 static const u8 ov965x_start_2_svga[][2] = {	/* same for xga */
705 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
706 	{0x1e, 0x04},	/* mvfp */
707 	{0x13, 0xe0},	/* com8 */
708 	{0x00, 0x00},
709 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
710 	{0x11, 0x01},	/* clkrc */
711 	{0x6b, 0x5a},	/* dblv */
712 	{0x6a, 0x0c},	/* 50 Hz banding filter */
713 	{0xc5, 0x0f},	/* 60 Hz banding filter */
714 	{0xa2, 0x4e},	/* bd50 */
715 	{0xa3, 0x41},	/* bd60 */
716 };
717 
718 static const u8 ov965x_start_2_sxga[][2] = {
719 	{0x13, 0xe0},	/* com8 */
720 	{0x00, 0x00},
721 	{0x13, 0xe7},	/* com8 - everything (AGC, AWB and AEC) */
722 	{0x3b, 0xc4},	/* com11 - night mode 1/4 frame rate */
723 	{0x1e, 0x04},	/* mvfp */
724 	{0x11, 0x01},	/* clkrc */
725 	{0x6b, 0x5a},	/* dblv */
726 	{0x6a, 0x0c},	/* 50 Hz banding filter */
727 	{0xc5, 0x0f},	/* 60 Hz banding filter */
728 	{0xa2, 0x4e},	/* bd50 */
729 	{0xa3, 0x41},	/* bd60 */
730 };
731 
732 static const u8 ov562x_init[][2] = {
733 	{0x88, 0x20},
734 	{0x89, 0x0a},
735 	{0x8a, 0x90},
736 	{0x8b, 0x06},
737 	{0x8c, 0x01},
738 	{0x8d, 0x10},
739 	{0x1c, 0x00},
740 	{0x1d, 0x48},
741 	{0x1d, 0x00},
742 	{0x1d, 0xff},
743 	{0x1c, 0x0a},
744 	{0x1d, 0x2e},
745 	{0x1d, 0x1e},
746 };
747 
748 static const u8 ov562x_init_2[][2] = {
749 	{0x12, 0x80},
750 	{0x11, 0x41},
751 	{0x13, 0x00},
752 	{0x10, 0x1e},
753 	{0x3b, 0x07},
754 	{0x5b, 0x40},
755 	{0x39, 0x07},
756 	{0x53, 0x02},
757 	{0x54, 0x60},
758 	{0x04, 0x20},
759 	{0x27, 0x04},
760 	{0x3d, 0x40},
761 	{0x36, 0x00},
762 	{0xc5, 0x04},
763 	{0x4e, 0x00},
764 	{0x4f, 0x93},
765 	{0x50, 0x7b},
766 	{0xca, 0x0c},
767 	{0xcb, 0x0f},
768 	{0x39, 0x07},
769 	{0x4a, 0x10},
770 	{0x3e, 0x0a},
771 	{0x3d, 0x00},
772 	{0x0c, 0x38},
773 	{0x38, 0x90},
774 	{0x46, 0x30},
775 	{0x4f, 0x93},
776 	{0x50, 0x7b},
777 	{0xab, 0x00},
778 	{0xca, 0x0c},
779 	{0xcb, 0x0f},
780 	{0x37, 0x02},
781 	{0x44, 0x48},
782 	{0x8d, 0x44},
783 	{0x2a, 0x00},
784 	{0x2b, 0x00},
785 	{0x32, 0x00},
786 	{0x38, 0x90},
787 	{0x53, 0x02},
788 	{0x54, 0x60},
789 	{0x12, 0x00},
790 	{0x17, 0x12},
791 	{0x18, 0xb4},
792 	{0x19, 0x0c},
793 	{0x1a, 0xf4},
794 	{0x03, 0x4a},
795 	{0x89, 0x20},
796 	{0x83, 0x80},
797 	{0xb7, 0x9d},
798 	{0xb6, 0x11},
799 	{0xb5, 0x55},
800 	{0xb4, 0x00},
801 	{0xa9, 0xf0},
802 	{0xa8, 0x0a},
803 	{0xb8, 0xf0},
804 	{0xb9, 0xf0},
805 	{0xba, 0xf0},
806 	{0x81, 0x07},
807 	{0x63, 0x44},
808 	{0x13, 0xc7},
809 	{0x14, 0x60},
810 	{0x33, 0x75},
811 	{0x2c, 0x00},
812 	{0x09, 0x00},
813 	{0x35, 0x30},
814 	{0x27, 0x04},
815 	{0x3c, 0x07},
816 	{0x3a, 0x0a},
817 	{0x3b, 0x07},
818 	{0x01, 0x40},
819 	{0x02, 0x40},
820 	{0x16, 0x40},
821 	{0x52, 0xb0},
822 	{0x51, 0x83},
823 	{0x21, 0xbb},
824 	{0x22, 0x10},
825 	{0x23, 0x03},
826 	{0x35, 0x38},
827 	{0x20, 0x90},
828 	{0x28, 0x30},
829 	{0x73, 0xe1},
830 	{0x6c, 0x00},
831 	{0x6d, 0x80},
832 	{0x6e, 0x00},
833 	{0x70, 0x04},
834 	{0x71, 0x00},
835 	{0x8d, 0x04},
836 	{0x64, 0x00},
837 	{0x65, 0x00},
838 	{0x66, 0x00},
839 	{0x67, 0x00},
840 	{0x68, 0x00},
841 	{0x69, 0x00},
842 	{0x6a, 0x00},
843 	{0x6b, 0x00},
844 	{0x71, 0x94},
845 	{0x74, 0x20},
846 	{0x80, 0x09},
847 	{0x85, 0xc0},
848 };
849 
850 static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)
851 {
852 	struct usb_device *udev = gspca_dev->dev;
853 	int ret;
854 
855 	if (gspca_dev->usb_err < 0)
856 		return;
857 	gspca_dev->usb_buf[0] = val;
858 	ret = usb_control_msg(udev,
859 			      usb_sndctrlpipe(udev, 0),
860 			      0x01,
861 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
862 			      0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
863 	if (ret < 0) {
864 		pr_err("reg_w failed %d\n", ret);
865 		gspca_dev->usb_err = ret;
866 	}
867 }
868 
869 static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)
870 {
871 	PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val);
872 	reg_w_i(gspca_dev, reg, val);
873 }
874 
875 static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
876 {
877 	struct usb_device *udev = gspca_dev->dev;
878 	int ret;
879 
880 	if (gspca_dev->usb_err < 0)
881 		return 0;
882 	ret = usb_control_msg(udev,
883 			      usb_rcvctrlpipe(udev, 0),
884 			      0x01,
885 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
886 			      0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
887 	PDEBUG(D_USBI, "reg_r [%04x] -> %02x", reg, gspca_dev->usb_buf[0]);
888 	if (ret < 0) {
889 		pr_err("reg_r err %d\n", ret);
890 		gspca_dev->usb_err = ret;
891 	}
892 	return gspca_dev->usb_buf[0];
893 }
894 
895 static int sccb_check_status(struct gspca_dev *gspca_dev)
896 {
897 	u8 data;
898 	int i;
899 
900 	for (i = 0; i < 5; i++) {
901 		msleep(10);
902 		data = reg_r(gspca_dev, OV534_REG_STATUS);
903 
904 		switch (data) {
905 		case 0x00:
906 			return 1;
907 		case 0x04:
908 			return 0;
909 		case 0x03:
910 			break;
911 		default:
912 			PDEBUG(D_USBI|D_USBO,
913 				"sccb status 0x%02x, attempt %d/5",
914 				data, i + 1);
915 		}
916 	}
917 	return 0;
918 }
919 
920 static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
921 {
922 	PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val);
923 	reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg);
924 	reg_w_i(gspca_dev, OV534_REG_WRITE, val);
925 	reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
926 
927 	if (!sccb_check_status(gspca_dev))
928 		pr_err("sccb_write failed\n");
929 }
930 
931 static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg)
932 {
933 	reg_w(gspca_dev, OV534_REG_SUBADDR, reg);
934 	reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
935 	if (!sccb_check_status(gspca_dev))
936 		pr_err("sccb_read failed 1\n");
937 
938 	reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
939 	if (!sccb_check_status(gspca_dev))
940 		pr_err("sccb_read failed 2\n");
941 
942 	return reg_r(gspca_dev, OV534_REG_READ);
943 }
944 
945 /* output a bridge sequence (reg - val) */
946 static void reg_w_array(struct gspca_dev *gspca_dev,
947 			const u8 (*data)[2], int len)
948 {
949 	while (--len >= 0) {
950 		reg_w(gspca_dev, (*data)[0], (*data)[1]);
951 		data++;
952 	}
953 }
954 
955 /* output a sensor sequence (reg - val) */
956 static void sccb_w_array(struct gspca_dev *gspca_dev,
957 			const u8 (*data)[2], int len)
958 {
959 	while (--len >= 0) {
960 		if ((*data)[0] != 0xff) {
961 			sccb_write(gspca_dev, (*data)[0], (*data)[1]);
962 		} else {
963 			sccb_read(gspca_dev, (*data)[1]);
964 			sccb_write(gspca_dev, 0xff, 0x00);
965 		}
966 		data++;
967 	}
968 }
969 
970 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
971  * (direction and output)? */
972 static void set_led(struct gspca_dev *gspca_dev, int status)
973 {
974 	u8 data;
975 
976 	PDEBUG(D_CONF, "led status: %d", status);
977 
978 	data = reg_r(gspca_dev, 0x21);
979 	data |= 0x80;
980 	reg_w(gspca_dev, 0x21, data);
981 
982 	data = reg_r(gspca_dev, 0x23);
983 	if (status)
984 		data |= 0x80;
985 	else
986 		data &= ~0x80;
987 
988 	reg_w(gspca_dev, 0x23, data);
989 
990 	if (!status) {
991 		data = reg_r(gspca_dev, 0x21);
992 		data &= ~0x80;
993 		reg_w(gspca_dev, 0x21, data);
994 	}
995 }
996 
997 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
998 {
999 	struct sd *sd = (struct sd *) gspca_dev;
1000 	u8 val;
1001 	s8 sval;
1002 
1003 	if (sd->sensor == SENSOR_OV562x) {
1004 		sval = brightness;
1005 		val = 0x76;
1006 		val += sval;
1007 		sccb_write(gspca_dev, 0x24, val);
1008 		val = 0x6a;
1009 		val += sval;
1010 		sccb_write(gspca_dev, 0x25, val);
1011 		if (sval < -40)
1012 			val = 0x71;
1013 		else if (sval < 20)
1014 			val = 0x94;
1015 		else
1016 			val = 0xe6;
1017 		sccb_write(gspca_dev, 0x26, val);
1018 	} else {
1019 		val = brightness;
1020 		if (val < 8)
1021 			val = 15 - val;		/* f .. 8 */
1022 		else
1023 			val = val - 8;		/* 0 .. 7 */
1024 		sccb_write(gspca_dev, 0x55,	/* brtn - brightness adjustment */
1025 				0x0f | (val << 4));
1026 	}
1027 }
1028 
1029 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
1030 {
1031 	sccb_write(gspca_dev, 0x56,	/* cnst1 - contrast 1 ctrl coeff */
1032 			val << 4);
1033 }
1034 
1035 static void setautogain(struct gspca_dev *gspca_dev, s32 autogain)
1036 {
1037 	u8 val;
1038 
1039 /*fixme: should adjust agc/awb/aec by different controls */
1040 	val = sccb_read(gspca_dev, 0x13);		/* com8 */
1041 	sccb_write(gspca_dev, 0xff, 0x00);
1042 	if (autogain)
1043 		val |= 0x05;		/* agc & aec */
1044 	else
1045 		val &= 0xfa;
1046 	sccb_write(gspca_dev, 0x13, val);
1047 }
1048 
1049 static void setexposure(struct gspca_dev *gspca_dev, s32 exposure)
1050 {
1051 	static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
1052 	u8 val;
1053 
1054 	sccb_write(gspca_dev, 0x10, expo[exposure]);	/* aec[9:2] */
1055 
1056 	val = sccb_read(gspca_dev, 0x13);		/* com8 */
1057 	sccb_write(gspca_dev, 0xff, 0x00);
1058 	sccb_write(gspca_dev, 0x13, val);
1059 
1060 	val = sccb_read(gspca_dev, 0xa1);		/* aech */
1061 	sccb_write(gspca_dev, 0xff, 0x00);
1062 	sccb_write(gspca_dev, 0xa1, val & 0xe0);	/* aec[15:10] = 0 */
1063 }
1064 
1065 static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
1066 {
1067 	if (val < 0) {				/* auto */
1068 		val = sccb_read(gspca_dev, 0x42);	/* com17 */
1069 		sccb_write(gspca_dev, 0xff, 0x00);
1070 		sccb_write(gspca_dev, 0x42, val | 0x40);
1071 				/* Edge enhancement strength auto adjust */
1072 		return;
1073 	}
1074 	if (val != 0)
1075 		val = 1 << (val - 1);
1076 	sccb_write(gspca_dev, 0x3f,	/* edge - edge enhance. factor */
1077 			val);
1078 	val = sccb_read(gspca_dev, 0x42);		/* com17 */
1079 	sccb_write(gspca_dev, 0xff, 0x00);
1080 	sccb_write(gspca_dev, 0x42, val & 0xbf);
1081 }
1082 
1083 static void setsatur(struct gspca_dev *gspca_dev, s32 val)
1084 {
1085 	u8 val1, val2, val3;
1086 	static const u8 matrix[5][2] = {
1087 		{0x14, 0x38},
1088 		{0x1e, 0x54},
1089 		{0x28, 0x70},
1090 		{0x32, 0x8c},
1091 		{0x48, 0x90}
1092 	};
1093 
1094 	val1 = matrix[val][0];
1095 	val2 = matrix[val][1];
1096 	val3 = val1 + val2;
1097 	sccb_write(gspca_dev, 0x4f, val3);	/* matrix coeff */
1098 	sccb_write(gspca_dev, 0x50, val3);
1099 	sccb_write(gspca_dev, 0x51, 0x00);
1100 	sccb_write(gspca_dev, 0x52, val1);
1101 	sccb_write(gspca_dev, 0x53, val2);
1102 	sccb_write(gspca_dev, 0x54, val3);
1103 	sccb_write(gspca_dev, 0x58, 0x1a);	/* mtxs - coeff signs */
1104 
1105 	val1 = sccb_read(gspca_dev, 0x41);	/* com16 */
1106 	sccb_write(gspca_dev, 0xff, 0x00);
1107 	sccb_write(gspca_dev, 0x41, val1);
1108 }
1109 
1110 static void setlightfreq(struct gspca_dev *gspca_dev, s32 freq)
1111 {
1112 	u8 val;
1113 
1114 	val = sccb_read(gspca_dev, 0x13);		/* com8 */
1115 	sccb_write(gspca_dev, 0xff, 0x00);
1116 	if (freq == 0) {
1117 		sccb_write(gspca_dev, 0x13, val & 0xdf);
1118 		return;
1119 	}
1120 	sccb_write(gspca_dev, 0x13, val | 0x20);
1121 
1122 	val = sccb_read(gspca_dev, 0x42);		/* com17 */
1123 	sccb_write(gspca_dev, 0xff, 0x00);
1124 	if (freq == 1)
1125 		val |= 0x01;
1126 	else
1127 		val &= 0xfe;
1128 	sccb_write(gspca_dev, 0x42, val);
1129 }
1130 
1131 /* this function is called at probe time */
1132 static int sd_config(struct gspca_dev *gspca_dev,
1133 		     const struct usb_device_id *id)
1134 {
1135 	return 0;
1136 }
1137 
1138 /* this function is called at probe and resume time */
1139 static int sd_init(struct gspca_dev *gspca_dev)
1140 {
1141 	struct sd *sd = (struct sd *) gspca_dev;
1142 	u16 sensor_id;
1143 
1144 	/* reset bridge */
1145 	reg_w(gspca_dev, 0xe7, 0x3a);
1146 	reg_w(gspca_dev, 0xe0, 0x08);
1147 	msleep(100);
1148 
1149 	/* initialize the sensor address */
1150 	reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60);
1151 
1152 	/* reset sensor */
1153 	sccb_write(gspca_dev, 0x12, 0x80);
1154 	msleep(10);
1155 
1156 	/* probe the sensor */
1157 	sccb_read(gspca_dev, 0x0a);
1158 	sensor_id = sccb_read(gspca_dev, 0x0a) << 8;
1159 	sccb_read(gspca_dev, 0x0b);
1160 	sensor_id |= sccb_read(gspca_dev, 0x0b);
1161 	PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
1162 
1163 	/* initialize */
1164 	if ((sensor_id & 0xfff0) == 0x9650) {
1165 		sd->sensor = SENSOR_OV965x;
1166 
1167 		gspca_dev->cam.cam_mode = ov965x_mode;
1168 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov965x_mode);
1169 
1170 		reg_w_array(gspca_dev, bridge_init,
1171 				ARRAY_SIZE(bridge_init));
1172 		sccb_w_array(gspca_dev, ov965x_init,
1173 				ARRAY_SIZE(ov965x_init));
1174 		reg_w_array(gspca_dev, bridge_init_2,
1175 				ARRAY_SIZE(bridge_init_2));
1176 		sccb_w_array(gspca_dev, ov965x_init_2,
1177 				ARRAY_SIZE(ov965x_init_2));
1178 		reg_w(gspca_dev, 0xe0, 0x00);
1179 		reg_w(gspca_dev, 0xe0, 0x01);
1180 		set_led(gspca_dev, 0);
1181 		reg_w(gspca_dev, 0xe0, 0x00);
1182 	} else if ((sensor_id & 0xfff0) == 0x9710) {
1183 		const char *p;
1184 		int l;
1185 
1186 		sd->sensor = SENSOR_OV971x;
1187 
1188 		gspca_dev->cam.cam_mode = ov971x_mode;
1189 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode);
1190 
1191 		gspca_dev->cam.bulk = 1;
1192 		gspca_dev->cam.bulk_size = 16384;
1193 		gspca_dev->cam.bulk_nurbs = 2;
1194 
1195 		sccb_w_array(gspca_dev, ov971x_init,
1196 				ARRAY_SIZE(ov971x_init));
1197 
1198 		/* set video format on bridge processor */
1199 		/* access bridge processor's video format registers at: 0x00 */
1200 		reg_w(gspca_dev, 0x1c, 0x00);
1201 		/*set register: 0x00 is 'RAW8', 0x40 is 'YUV422' (YUYV?)*/
1202 		reg_w(gspca_dev, 0x1d, 0x00);
1203 
1204 		/* Will W. specific stuff
1205 		 * set VSYNC to
1206 		 *	output (0x1f) if first webcam
1207 		 *	input (0x17) if 2nd or 3rd webcam */
1208 		p = video_device_node_name(&gspca_dev->vdev);
1209 		l = strlen(p) - 1;
1210 		if (p[l] == '0')
1211 			reg_w(gspca_dev, 0x56, 0x1f);
1212 		else
1213 			reg_w(gspca_dev, 0x56, 0x17);
1214 	} else if ((sensor_id & 0xfff0) == 0x5620) {
1215 		sd->sensor = SENSOR_OV562x;
1216 		gspca_dev->cam.cam_mode = ov562x_mode;
1217 		gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode);
1218 
1219 		reg_w_array(gspca_dev, ov562x_init,
1220 				ARRAY_SIZE(ov562x_init));
1221 		sccb_w_array(gspca_dev, ov562x_init_2,
1222 				ARRAY_SIZE(ov562x_init_2));
1223 		reg_w(gspca_dev, 0xe0, 0x00);
1224 	} else {
1225 		pr_err("Unknown sensor %04x", sensor_id);
1226 		return -EINVAL;
1227 	}
1228 
1229 	return gspca_dev->usb_err;
1230 }
1231 
1232 static int sd_start(struct gspca_dev *gspca_dev)
1233 {
1234 	struct sd *sd = (struct sd *) gspca_dev;
1235 
1236 	if (sd->sensor == SENSOR_OV971x)
1237 		return gspca_dev->usb_err;
1238 	if (sd->sensor == SENSOR_OV562x)
1239 		return gspca_dev->usb_err;
1240 
1241 	switch (gspca_dev->curr_mode) {
1242 	case QVGA_MODE:			/* 320x240 */
1243 		sccb_w_array(gspca_dev, ov965x_start_1_vga,
1244 				ARRAY_SIZE(ov965x_start_1_vga));
1245 		reg_w_array(gspca_dev, bridge_start_qvga,
1246 				ARRAY_SIZE(bridge_start_qvga));
1247 		sccb_w_array(gspca_dev, ov965x_start_2_qvga,
1248 				ARRAY_SIZE(ov965x_start_2_qvga));
1249 		break;
1250 	case VGA_MODE:			/* 640x480 */
1251 		sccb_w_array(gspca_dev, ov965x_start_1_vga,
1252 				ARRAY_SIZE(ov965x_start_1_vga));
1253 		reg_w_array(gspca_dev, bridge_start_vga,
1254 				ARRAY_SIZE(bridge_start_vga));
1255 		sccb_w_array(gspca_dev, ov965x_start_2_vga,
1256 				ARRAY_SIZE(ov965x_start_2_vga));
1257 		break;
1258 	case SVGA_MODE:			/* 800x600 */
1259 		sccb_w_array(gspca_dev, ov965x_start_1_svga,
1260 				ARRAY_SIZE(ov965x_start_1_svga));
1261 		reg_w_array(gspca_dev, bridge_start_svga,
1262 				ARRAY_SIZE(bridge_start_svga));
1263 		sccb_w_array(gspca_dev, ov965x_start_2_svga,
1264 				ARRAY_SIZE(ov965x_start_2_svga));
1265 		break;
1266 	case XGA_MODE:			/* 1024x768 */
1267 		sccb_w_array(gspca_dev, ov965x_start_1_xga,
1268 				ARRAY_SIZE(ov965x_start_1_xga));
1269 		reg_w_array(gspca_dev, bridge_start_xga,
1270 				ARRAY_SIZE(bridge_start_xga));
1271 		sccb_w_array(gspca_dev, ov965x_start_2_svga,
1272 				ARRAY_SIZE(ov965x_start_2_svga));
1273 		break;
1274 	default:
1275 /*	case SXGA_MODE:			 * 1280x1024 */
1276 		sccb_w_array(gspca_dev, ov965x_start_1_sxga,
1277 				ARRAY_SIZE(ov965x_start_1_sxga));
1278 		reg_w_array(gspca_dev, bridge_start_sxga,
1279 				ARRAY_SIZE(bridge_start_sxga));
1280 		sccb_w_array(gspca_dev, ov965x_start_2_sxga,
1281 				ARRAY_SIZE(ov965x_start_2_sxga));
1282 		break;
1283 	}
1284 
1285 	reg_w(gspca_dev, 0xe0, 0x00);
1286 	reg_w(gspca_dev, 0xe0, 0x00);
1287 	set_led(gspca_dev, 1);
1288 	return gspca_dev->usb_err;
1289 }
1290 
1291 static void sd_stopN(struct gspca_dev *gspca_dev)
1292 {
1293 	reg_w(gspca_dev, 0xe0, 0x01);
1294 	set_led(gspca_dev, 0);
1295 	reg_w(gspca_dev, 0xe0, 0x00);
1296 }
1297 
1298 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
1299 #define UVC_STREAM_EOH	(1 << 7)
1300 #define UVC_STREAM_ERR	(1 << 6)
1301 #define UVC_STREAM_STI	(1 << 5)
1302 #define UVC_STREAM_RES	(1 << 4)
1303 #define UVC_STREAM_SCR	(1 << 3)
1304 #define UVC_STREAM_PTS	(1 << 2)
1305 #define UVC_STREAM_EOF	(1 << 1)
1306 #define UVC_STREAM_FID	(1 << 0)
1307 
1308 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1309 			u8 *data, int len)
1310 {
1311 	struct sd *sd = (struct sd *) gspca_dev;
1312 	__u32 this_pts;
1313 	u8 this_fid;
1314 	int remaining_len = len;
1315 	int payload_len;
1316 
1317 	payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
1318 	do {
1319 		len = min(remaining_len, payload_len);
1320 
1321 		/* Payloads are prefixed with a UVC-style header.  We
1322 		   consider a frame to start when the FID toggles, or the PTS
1323 		   changes.  A frame ends when EOF is set, and we've received
1324 		   the correct number of bytes. */
1325 
1326 		/* Verify UVC header.  Header length is always 12 */
1327 		if (data[0] != 12 || len < 12) {
1328 			PDEBUG(D_PACK, "bad header");
1329 			goto discard;
1330 		}
1331 
1332 		/* Check errors */
1333 		if (data[1] & UVC_STREAM_ERR) {
1334 			PDEBUG(D_PACK, "payload error");
1335 			goto discard;
1336 		}
1337 
1338 		/* Extract PTS and FID */
1339 		if (!(data[1] & UVC_STREAM_PTS)) {
1340 			PDEBUG(D_PACK, "PTS not present");
1341 			goto discard;
1342 		}
1343 		this_pts = (data[5] << 24) | (data[4] << 16)
1344 						| (data[3] << 8) | data[2];
1345 		this_fid = data[1] & UVC_STREAM_FID;
1346 
1347 		/* If PTS or FID has changed, start a new frame. */
1348 		if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
1349 			if (gspca_dev->last_packet_type == INTER_PACKET)
1350 				gspca_frame_add(gspca_dev, LAST_PACKET,
1351 						NULL, 0);
1352 			sd->last_pts = this_pts;
1353 			sd->last_fid = this_fid;
1354 			gspca_frame_add(gspca_dev, FIRST_PACKET,
1355 					data + 12, len - 12);
1356 		/* If this packet is marked as EOF, end the frame */
1357 		} else if (data[1] & UVC_STREAM_EOF) {
1358 			sd->last_pts = 0;
1359 			gspca_frame_add(gspca_dev, LAST_PACKET,
1360 					data + 12, len - 12);
1361 		} else {
1362 
1363 			/* Add the data from this payload */
1364 			gspca_frame_add(gspca_dev, INTER_PACKET,
1365 					data + 12, len - 12);
1366 		}
1367 
1368 		/* Done this payload */
1369 		goto scan_next;
1370 
1371 discard:
1372 		/* Discard data until a new frame starts. */
1373 		gspca_dev->last_packet_type = DISCARD_PACKET;
1374 
1375 scan_next:
1376 		remaining_len -= len;
1377 		data += len;
1378 	} while (remaining_len > 0);
1379 }
1380 
1381 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1382 {
1383 	struct gspca_dev *gspca_dev =
1384 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1385 
1386 	gspca_dev->usb_err = 0;
1387 
1388 	if (!gspca_dev->streaming)
1389 		return 0;
1390 
1391 	switch (ctrl->id) {
1392 	case V4L2_CID_BRIGHTNESS:
1393 		setbrightness(gspca_dev, ctrl->val);
1394 		break;
1395 	case V4L2_CID_CONTRAST:
1396 		setcontrast(gspca_dev, ctrl->val);
1397 		break;
1398 	case V4L2_CID_SATURATION:
1399 		setsatur(gspca_dev, ctrl->val);
1400 		break;
1401 	case V4L2_CID_POWER_LINE_FREQUENCY:
1402 		setlightfreq(gspca_dev, ctrl->val);
1403 		break;
1404 	case V4L2_CID_SHARPNESS:
1405 		setsharpness(gspca_dev, ctrl->val);
1406 		break;
1407 	case V4L2_CID_AUTOGAIN:
1408 		if (ctrl->is_new)
1409 			setautogain(gspca_dev, ctrl->val);
1410 		if (!ctrl->val && gspca_dev->exposure->is_new)
1411 			setexposure(gspca_dev, gspca_dev->exposure->val);
1412 		break;
1413 	}
1414 	return gspca_dev->usb_err;
1415 }
1416 
1417 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1418 	.s_ctrl = sd_s_ctrl,
1419 };
1420 
1421 static int sd_init_controls(struct gspca_dev *gspca_dev)
1422 {
1423 	struct sd *sd = (struct sd *)gspca_dev;
1424 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1425 
1426 	if (sd->sensor == SENSOR_OV971x)
1427 		return 0;
1428 	gspca_dev->vdev.ctrl_handler = hdl;
1429 	v4l2_ctrl_handler_init(hdl, 7);
1430 	if (sd->sensor == SENSOR_OV562x) {
1431 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1432 			V4L2_CID_BRIGHTNESS, -90, 90, 1, 0);
1433 	} else {
1434 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1435 			V4L2_CID_BRIGHTNESS, 0, 15, 1, 7);
1436 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1437 			V4L2_CID_CONTRAST, 0, 15, 1, 3);
1438 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1439 			V4L2_CID_SATURATION, 0, 4, 1, 2);
1440 		/* -1 = auto */
1441 		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1442 			V4L2_CID_SHARPNESS, -1, 4, 1, -1);
1443 		gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1444 			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1445 		gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1446 			V4L2_CID_EXPOSURE, 0, 3, 1, 0);
1447 		v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
1448 			V4L2_CID_POWER_LINE_FREQUENCY,
1449 			V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
1450 		v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
1451 	}
1452 
1453 	if (hdl->error) {
1454 		pr_err("Could not initialize controls\n");
1455 		return hdl->error;
1456 	}
1457 	return 0;
1458 }
1459 
1460 /* sub-driver description */
1461 static const struct sd_desc sd_desc = {
1462 	.name     = MODULE_NAME,
1463 	.config   = sd_config,
1464 	.init     = sd_init,
1465 	.init_controls = sd_init_controls,
1466 	.start    = sd_start,
1467 	.stopN    = sd_stopN,
1468 	.pkt_scan = sd_pkt_scan,
1469 };
1470 
1471 /* -- module initialisation -- */
1472 static const struct usb_device_id device_table[] = {
1473 	{USB_DEVICE(0x05a9, 0x8065)},
1474 	{USB_DEVICE(0x06f8, 0x3003)},
1475 	{USB_DEVICE(0x05a9, 0x1550)},
1476 	{}
1477 };
1478 
1479 MODULE_DEVICE_TABLE(usb, device_table);
1480 
1481 /* -- device connect -- */
1482 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1483 {
1484 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1485 				THIS_MODULE);
1486 }
1487 
1488 static struct usb_driver sd_driver = {
1489 	.name       = MODULE_NAME,
1490 	.id_table   = device_table,
1491 	.probe      = sd_probe,
1492 	.disconnect = gspca_disconnect,
1493 #ifdef CONFIG_PM
1494 	.suspend    = gspca_suspend,
1495 	.resume     = gspca_resume,
1496 	.reset_resume = gspca_resume,
1497 #endif
1498 };
1499 
1500 module_usb_driver(sd_driver);
1501