]> git.openfabrics.org - ~shefty/rdma-dev.git/blob - drivers/media/video/gspca/ov534_9.c
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[~shefty/rdma-dev.git] / drivers / media / video / gspca / ov534_9.c
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);