Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[linux-2.6.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 /* controls */
51 enum e_ctrl {
52         BRIGHTNESS,
53         CONTRAST,
54         AUTOGAIN,
55         EXPOSURE,
56         SHARPNESS,
57         SATUR,
58         LIGHTFREQ,
59         NCTRLS          /* number of controls */
60 };
61
62 /* specific webcam descriptor */
63 struct sd {
64         struct gspca_dev gspca_dev;     /* !! must be the first item */
65         struct gspca_ctrl ctrls[NCTRLS];
66         __u32 last_pts;
67         u8 last_fid;
68
69         u8 sensor;
70 };
71 enum sensors {
72         SENSOR_OV965x,          /* ov9657 */
73         SENSOR_OV971x,          /* ov9712 */
74         SENSOR_OV562x,          /* ov5621 */
75         NSENSORS
76 };
77
78 /* V4L2 controls supported by the driver */
79 static void setbrightness(struct gspca_dev *gspca_dev);
80 static void setcontrast(struct gspca_dev *gspca_dev);
81 static void setautogain(struct gspca_dev *gspca_dev);
82 static void setexposure(struct gspca_dev *gspca_dev);
83 static void setsharpness(struct gspca_dev *gspca_dev);
84 static void setsatur(struct gspca_dev *gspca_dev);
85 static void setlightfreq(struct gspca_dev *gspca_dev);
86
87 static const struct ctrl sd_ctrls[NCTRLS] = {
88 [BRIGHTNESS] = {
89         {
90                 .id      = V4L2_CID_BRIGHTNESS,
91                 .type    = V4L2_CTRL_TYPE_INTEGER,
92                 .name    = "Brightness",
93                 .minimum = 0,
94                 .maximum = 15,
95                 .step    = 1,
96                 .default_value = 7
97         },
98         .set_control = setbrightness
99     },
100 [CONTRAST] = {
101         {
102                 .id      = V4L2_CID_CONTRAST,
103                 .type    = V4L2_CTRL_TYPE_INTEGER,
104                 .name    = "Contrast",
105                 .minimum = 0,
106                 .maximum = 15,
107                 .step    = 1,
108                 .default_value = 3
109         },
110         .set_control = setcontrast
111     },
112 [AUTOGAIN] = {
113         {
114                 .id      = V4L2_CID_AUTOGAIN,
115                 .type    = V4L2_CTRL_TYPE_BOOLEAN,
116                 .name    = "Autogain",
117                 .minimum = 0,
118                 .maximum = 1,
119                 .step    = 1,
120 #define AUTOGAIN_DEF 1
121                 .default_value = AUTOGAIN_DEF,
122         },
123         .set_control = setautogain
124     },
125 [EXPOSURE] = {
126         {
127                 .id      = V4L2_CID_EXPOSURE,
128                 .type    = V4L2_CTRL_TYPE_INTEGER,
129                 .name    = "Exposure",
130                 .minimum = 0,
131                 .maximum = 3,
132                 .step    = 1,
133                 .default_value = 0
134         },
135         .set_control = setexposure
136     },
137 [SHARPNESS] = {
138         {
139                 .id      = V4L2_CID_SHARPNESS,
140                 .type    = V4L2_CTRL_TYPE_INTEGER,
141                 .name    = "Sharpness",
142                 .minimum = -1,          /* -1 = auto */
143                 .maximum = 4,
144                 .step    = 1,
145                 .default_value = -1
146         },
147         .set_control = setsharpness
148     },
149 [SATUR] = {
150         {
151                 .id      = V4L2_CID_SATURATION,
152                 .type    = V4L2_CTRL_TYPE_INTEGER,
153                 .name    = "Saturation",
154                 .minimum = 0,
155                 .maximum = 4,
156                 .step    = 1,
157                 .default_value = 2
158         },
159         .set_control = setsatur
160     },
161 [LIGHTFREQ] = {
162         {
163                 .id      = V4L2_CID_POWER_LINE_FREQUENCY,
164                 .type    = V4L2_CTRL_TYPE_MENU,
165                 .name    = "Light frequency filter",
166                 .minimum = 0,
167                 .maximum = 2,   /* 0: 0, 1: 50Hz, 2:60Hz */
168                 .step    = 1,
169                 .default_value = 0
170         },
171         .set_control = setlightfreq
172     },
173 };
174
175 static const struct v4l2_pix_format ov965x_mode[] = {
176 #define QVGA_MODE 0
177         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
178                 .bytesperline = 320,
179                 .sizeimage = 320 * 240 * 3 / 8 + 590,
180                 .colorspace = V4L2_COLORSPACE_JPEG},
181 #define VGA_MODE 1
182         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
183                 .bytesperline = 640,
184                 .sizeimage = 640 * 480 * 3 / 8 + 590,
185                 .colorspace = V4L2_COLORSPACE_JPEG},
186 #define SVGA_MODE 2
187         {800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
188                 .bytesperline = 800,
189                 .sizeimage = 800 * 600 * 3 / 8 + 590,
190                 .colorspace = V4L2_COLORSPACE_JPEG},
191 #define XGA_MODE 3
192         {1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
193                 .bytesperline = 1024,
194                 .sizeimage = 1024 * 768 * 3 / 8 + 590,
195                 .colorspace = V4L2_COLORSPACE_JPEG},
196 #define SXGA_MODE 4
197         {1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
198                 .bytesperline = 1280,
199                 .sizeimage = 1280 * 1024 * 3 / 8 + 590,
200                 .colorspace = V4L2_COLORSPACE_JPEG},
201 };
202
203 static const struct v4l2_pix_format ov971x_mode[] = {
204         {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
205                 .bytesperline = 640,
206                 .sizeimage = 640 * 480,
207                 .colorspace = V4L2_COLORSPACE_SRGB
208         }
209 };
210
211 static const struct v4l2_pix_format ov562x_mode[] = {
212         {2592, 1680, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
213                 .bytesperline = 2592,
214                 .sizeimage = 2592 * 1680,
215                 .colorspace = V4L2_COLORSPACE_SRGB
216         }
217 };
218
219 static const u8 bridge_init[][2] = {
220         {0x88, 0xf8},
221         {0x89, 0xff},
222         {0x76, 0x03},
223         {0x92, 0x03},
224         {0x95, 0x10},
225         {0xe2, 0x00},
226         {0xe7, 0x3e},
227         {0x8d, 0x1c},
228         {0x8e, 0x00},
229         {0x8f, 0x00},
230         {0x1f, 0x00},
231         {0xc3, 0xf9},
232         {0x89, 0xff},
233         {0x88, 0xf8},
234         {0x76, 0x03},
235         {0x92, 0x01},
236         {0x93, 0x18},
237         {0x1c, 0x0a},
238         {0x1d, 0x48},
239         {0xc0, 0x50},
240         {0xc1, 0x3c},
241         {0x34, 0x05},
242         {0xc2, 0x0c},
243         {0xc3, 0xf9},
244         {0x34, 0x05},
245         {0xe7, 0x2e},
246         {0x31, 0xf9},
247         {0x35, 0x02},
248         {0xd9, 0x10},
249         {0x25, 0x42},
250         {0x94, 0x11},
251 };
252
253 static const u8 ov965x_init[][2] = {
254         {0x12, 0x80},   /* com7 - SSCB reset */
255         {0x00, 0x00},   /* gain */
256         {0x01, 0x80},   /* blue */
257         {0x02, 0x80},   /* red */
258         {0x03, 0x1b},   /* vref */
259         {0x04, 0x03},   /* com1 - exposure low bits */
260         {0x0b, 0x57},   /* ver */
261         {0x0e, 0x61},   /* com5 */
262         {0x0f, 0x42},   /* com6 */
263         {0x11, 0x00},   /* clkrc */
264         {0x12, 0x02},   /* com7 - 15fps VGA YUYV */
265         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
266         {0x14, 0x28},   /* com9 */
267         {0x16, 0x24},   /* reg16 */
268         {0x17, 0x1d},   /* hstart*/
269         {0x18, 0xbd},   /* hstop */
270         {0x19, 0x01},   /* vstrt */
271         {0x1a, 0x81},   /* vstop*/
272         {0x1e, 0x04},   /* mvfp */
273         {0x24, 0x3c},   /* aew */
274         {0x25, 0x36},   /* aeb */
275         {0x26, 0x71},   /* vpt */
276         {0x27, 0x08},   /* bbias */
277         {0x28, 0x08},   /* gbbias */
278         {0x29, 0x15},   /* gr com */
279         {0x2a, 0x00},   /* exhch */
280         {0x2b, 0x00},   /* exhcl */
281         {0x2c, 0x08},   /* rbias */
282         {0x32, 0xff},   /* href */
283         {0x33, 0x00},   /* chlf */
284         {0x34, 0x3f},   /* aref1 */
285         {0x35, 0x00},   /* aref2 */
286         {0x36, 0xf8},   /* aref3 */
287         {0x38, 0x72},   /* adc2 */
288         {0x39, 0x57},   /* aref4 */
289         {0x3a, 0x80},   /* tslb - yuyv */
290         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
291         {0x3d, 0x99},   /* com13 */
292         {0x3f, 0xc1},   /* edge */
293         {0x40, 0xc0},   /* com15 */
294         {0x41, 0x40},   /* com16 */
295         {0x42, 0xc0},   /* com17 */
296         {0x43, 0x0a},   /* rsvd */
297         {0x44, 0xf0},
298         {0x45, 0x46},
299         {0x46, 0x62},
300         {0x47, 0x2a},
301         {0x48, 0x3c},
302         {0x4a, 0xfc},
303         {0x4b, 0xfc},
304         {0x4c, 0x7f},
305         {0x4d, 0x7f},
306         {0x4e, 0x7f},
307         {0x4f, 0x98},   /* matrix */
308         {0x50, 0x98},
309         {0x51, 0x00},
310         {0x52, 0x28},
311         {0x53, 0x70},
312         {0x54, 0x98},
313         {0x58, 0x1a},   /* matrix coef sign */
314         {0x59, 0x85},   /* AWB control */
315         {0x5a, 0xa9},
316         {0x5b, 0x64},
317         {0x5c, 0x84},
318         {0x5d, 0x53},
319         {0x5e, 0x0e},
320         {0x5f, 0xf0},   /* AWB blue limit */
321         {0x60, 0xf0},   /* AWB red limit */
322         {0x61, 0xf0},   /* AWB green limit */
323         {0x62, 0x00},   /* lcc1 */
324         {0x63, 0x00},   /* lcc2 */
325         {0x64, 0x02},   /* lcc3 */
326         {0x65, 0x16},   /* lcc4 */
327         {0x66, 0x01},   /* lcc5 */
328         {0x69, 0x02},   /* hv */
329         {0x6b, 0x5a},   /* dbvl */
330         {0x6c, 0x04},
331         {0x6d, 0x55},
332         {0x6e, 0x00},
333         {0x6f, 0x9d},
334         {0x70, 0x21},   /* dnsth */
335         {0x71, 0x78},
336         {0x72, 0x00},   /* poidx */
337         {0x73, 0x01},   /* pckdv */
338         {0x74, 0x3a},   /* xindx */
339         {0x75, 0x35},   /* yindx */
340         {0x76, 0x01},
341         {0x77, 0x02},
342         {0x7a, 0x12},   /* gamma curve */
343         {0x7b, 0x08},
344         {0x7c, 0x16},
345         {0x7d, 0x30},
346         {0x7e, 0x5e},
347         {0x7f, 0x72},
348         {0x80, 0x82},
349         {0x81, 0x8e},
350         {0x82, 0x9a},
351         {0x83, 0xa4},
352         {0x84, 0xac},
353         {0x85, 0xb8},
354         {0x86, 0xc3},
355         {0x87, 0xd6},
356         {0x88, 0xe6},
357         {0x89, 0xf2},
358         {0x8a, 0x03},
359         {0x8c, 0x89},   /* com19 */
360         {0x14, 0x28},   /* com9 */
361         {0x90, 0x7d},
362         {0x91, 0x7b},
363         {0x9d, 0x03},   /* lcc6 */
364         {0x9e, 0x04},   /* lcc7 */
365         {0x9f, 0x7a},
366         {0xa0, 0x79},
367         {0xa1, 0x40},   /* aechm */
368         {0xa4, 0x50},   /* com21 */
369         {0xa5, 0x68},   /* com26 */
370         {0xa6, 0x4a},   /* AWB green */
371         {0xa8, 0xc1},   /* refa8 */
372         {0xa9, 0xef},   /* refa9 */
373         {0xaa, 0x92},
374         {0xab, 0x04},
375         {0xac, 0x80},   /* black level control */
376         {0xad, 0x80},
377         {0xae, 0x80},
378         {0xaf, 0x80},
379         {0xb2, 0xf2},
380         {0xb3, 0x20},
381         {0xb4, 0x20},   /* ctrlb4 */
382         {0xb5, 0x00},
383         {0xb6, 0xaf},
384         {0xbb, 0xae},
385         {0xbc, 0x7f},   /* ADC channel offsets */
386         {0xdb, 0x7f},
387         {0xbe, 0x7f},
388         {0xbf, 0x7f},
389         {0xc0, 0xe2},
390         {0xc1, 0xc0},
391         {0xc2, 0x01},
392         {0xc3, 0x4e},
393         {0xc6, 0x85},
394         {0xc7, 0x80},   /* com24 */
395         {0xc9, 0xe0},
396         {0xca, 0xe8},
397         {0xcb, 0xf0},
398         {0xcc, 0xd8},
399         {0xcd, 0xf1},
400         {0x4f, 0x98},   /* matrix */
401         {0x50, 0x98},
402         {0x51, 0x00},
403         {0x52, 0x28},
404         {0x53, 0x70},
405         {0x54, 0x98},
406         {0x58, 0x1a},
407         {0xff, 0x41},   /* read 41, write ff 00 */
408         {0x41, 0x40},   /* com16 */
409
410         {0xc5, 0x03},   /* 60 Hz banding filter */
411         {0x6a, 0x02},   /* 50 Hz banding filter */
412
413         {0x12, 0x62},   /* com7 - 30fps VGA YUV */
414         {0x36, 0xfa},   /* aref3 */
415         {0x69, 0x0a},   /* hv */
416         {0x8c, 0x89},   /* com22 */
417         {0x14, 0x28},   /* com9 */
418         {0x3e, 0x0c},
419         {0x41, 0x40},   /* com16 */
420         {0x72, 0x00},
421         {0x73, 0x00},
422         {0x74, 0x3a},
423         {0x75, 0x35},
424         {0x76, 0x01},
425         {0xc7, 0x80},
426         {0x03, 0x12},   /* vref */
427         {0x17, 0x16},   /* hstart */
428         {0x18, 0x02},   /* hstop */
429         {0x19, 0x01},   /* vstrt */
430         {0x1a, 0x3d},   /* vstop */
431         {0x32, 0xff},   /* href */
432         {0xc0, 0xaa},
433 };
434
435 static const u8 bridge_init_2[][2] = {
436         {0x94, 0xaa},
437         {0xf1, 0x60},
438         {0xe5, 0x04},
439         {0xc0, 0x50},
440         {0xc1, 0x3c},
441         {0x8c, 0x00},
442         {0x8d, 0x1c},
443         {0x34, 0x05},
444
445         {0xc2, 0x0c},
446         {0xc3, 0xf9},
447         {0xda, 0x01},
448         {0x50, 0x00},
449         {0x51, 0xa0},
450         {0x52, 0x3c},
451         {0x53, 0x00},
452         {0x54, 0x00},
453         {0x55, 0x00},
454         {0x57, 0x00},
455         {0x5c, 0x00},
456         {0x5a, 0xa0},
457         {0x5b, 0x78},
458         {0x35, 0x02},
459         {0xd9, 0x10},
460         {0x94, 0x11},
461 };
462
463 static const u8 ov965x_init_2[][2] = {
464         {0x3b, 0xc4},
465         {0x1e, 0x04},   /* mvfp */
466         {0x13, 0xe0},   /* com8 */
467         {0x00, 0x00},   /* gain */
468         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
469         {0x11, 0x03},   /* clkrc */
470         {0x6b, 0x5a},   /* dblv */
471         {0x6a, 0x05},
472         {0xc5, 0x07},
473         {0xa2, 0x4b},
474         {0xa3, 0x3e},
475         {0x2d, 0x00},
476         {0xff, 0x42},   /* read 42, write ff 00 */
477         {0x42, 0xc0},   /* com17 */
478         {0x2d, 0x00},
479         {0xff, 0x42},   /* read 42, write ff 00 */
480         {0x42, 0xc1},   /* com17 */
481 /* sharpness */
482         {0x3f, 0x01},
483         {0xff, 0x42},   /* read 42, write ff 00 */
484         {0x42, 0xc1},   /* com17 */
485 /* saturation */
486         {0x4f, 0x98},   /* matrix */
487         {0x50, 0x98},
488         {0x51, 0x00},
489         {0x52, 0x28},
490         {0x53, 0x70},
491         {0x54, 0x98},
492         {0x58, 0x1a},
493         {0xff, 0x41},   /* read 41, write ff 00 */
494         {0x41, 0x40},   /* com16 */
495 /* contrast */
496         {0x56, 0x40},
497 /* brightness */
498         {0x55, 0x8f},
499 /* expo */
500         {0x10, 0x25},   /* aech - exposure high bits */
501         {0xff, 0x13},   /* read 13, write ff 00 */
502         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
503 };
504
505 static const u8 ov971x_init[][2] = {
506         {0x12, 0x80},
507         {0x09, 0x10},
508         {0x1e, 0x07},
509         {0x5f, 0x18},
510         {0x69, 0x04},
511         {0x65, 0x2a},
512         {0x68, 0x0a},
513         {0x39, 0x28},
514         {0x4d, 0x90},
515         {0xc1, 0x80},
516         {0x0c, 0x30},
517         {0x6d, 0x02},
518         {0x96, 0xf1},
519         {0xbc, 0x68},
520         {0x12, 0x00},
521         {0x3b, 0x00},
522         {0x97, 0x80},
523         {0x17, 0x25},
524         {0x18, 0xa2},
525         {0x19, 0x01},
526         {0x1a, 0xca},
527         {0x03, 0x0a},
528         {0x32, 0x07},
529         {0x98, 0x40},   /*{0x98, 0x00},*/
530         {0x99, 0xA0},   /*{0x99, 0x00},*/
531         {0x9a, 0x01},   /*{0x9a, 0x00},*/
532         {0x57, 0x00},
533         {0x58, 0x78},   /*{0x58, 0xc8},*/
534         {0x59, 0x50},   /*{0x59, 0xa0},*/
535         {0x4c, 0x13},
536         {0x4b, 0x36},
537         {0x3d, 0x3c},
538         {0x3e, 0x03},
539         {0xbd, 0x50},   /*{0xbd, 0xa0},*/
540         {0xbe, 0x78},   /*{0xbe, 0xc8},*/
541         {0x4e, 0x55},
542         {0x4f, 0x55},
543         {0x50, 0x55},
544         {0x51, 0x55},
545         {0x24, 0x55},
546         {0x25, 0x40},
547         {0x26, 0xa1},
548         {0x5c, 0x59},
549         {0x5d, 0x00},
550         {0x11, 0x00},
551         {0x2a, 0x98},
552         {0x2b, 0x06},
553         {0x2d, 0x00},
554         {0x2e, 0x00},
555         {0x13, 0xa5},
556         {0x14, 0x40},
557         {0x4a, 0x00},
558         {0x49, 0xce},
559         {0x22, 0x03},
560         {0x09, 0x00}
561 };
562
563 static const u8 ov965x_start_1_vga[][2] = {     /* same for qvga */
564         {0x12, 0x62},   /* com7 - 30fps VGA YUV */
565         {0x36, 0xfa},   /* aref3 */
566         {0x69, 0x0a},   /* hv */
567         {0x8c, 0x89},   /* com22 */
568         {0x14, 0x28},   /* com9 */
569         {0x3e, 0x0c},   /* com14 */
570         {0x41, 0x40},   /* com16 */
571         {0x72, 0x00},
572         {0x73, 0x00},
573         {0x74, 0x3a},
574         {0x75, 0x35},
575         {0x76, 0x01},
576         {0xc7, 0x80},   /* com24 */
577         {0x03, 0x12},   /* vref */
578         {0x17, 0x16},   /* hstart */
579         {0x18, 0x02},   /* hstop */
580         {0x19, 0x01},   /* vstrt */
581         {0x1a, 0x3d},   /* vstop */
582         {0x32, 0xff},   /* href */
583         {0xc0, 0xaa},
584 };
585
586 static const u8 ov965x_start_1_svga[][2] = {
587         {0x12, 0x02},   /* com7 - YUYV - VGA 15 full resolution */
588         {0x36, 0xf8},   /* aref3 */
589         {0x69, 0x02},   /* hv */
590         {0x8c, 0x0d},   /* com22 */
591         {0x3e, 0x0c},   /* com14 */
592         {0x41, 0x40},   /* com16 */
593         {0x72, 0x00},
594         {0x73, 0x01},
595         {0x74, 0x3a},
596         {0x75, 0x35},
597         {0x76, 0x01},
598         {0xc7, 0x80},   /* com24 */
599         {0x03, 0x1b},   /* vref */
600         {0x17, 0x1d},   /* hstart */
601         {0x18, 0xbd},   /* hstop */
602         {0x19, 0x01},   /* vstrt */
603         {0x1a, 0x81},   /* vstop */
604         {0x32, 0xff},   /* href */
605         {0xc0, 0xe2},
606 };
607
608 static const u8 ov965x_start_1_xga[][2] = {
609         {0x12, 0x02},   /* com7 */
610         {0x36, 0xf8},   /* aref3 */
611         {0x69, 0x02},   /* hv */
612         {0x8c, 0x89},   /* com22 */
613         {0x14, 0x28},   /* com9 */
614         {0x3e, 0x0c},   /* com14 */
615         {0x41, 0x40},   /* com16 */
616         {0x72, 0x00},
617         {0x73, 0x01},
618         {0x74, 0x3a},
619         {0x75, 0x35},
620         {0x76, 0x01},
621         {0xc7, 0x80},   /* com24 */
622         {0x03, 0x1b},   /* vref */
623         {0x17, 0x1d},   /* hstart */
624         {0x18, 0xbd},   /* hstop */
625         {0x19, 0x01},   /* vstrt */
626         {0x1a, 0x81},   /* vstop */
627         {0x32, 0xff},   /* href */
628         {0xc0, 0xe2},
629 };
630
631 static const u8 ov965x_start_1_sxga[][2] = {
632         {0x12, 0x02},   /* com7 */
633         {0x36, 0xf8},   /* aref3 */
634         {0x69, 0x02},   /* hv */
635         {0x8c, 0x89},   /* com22 */
636         {0x14, 0x28},   /* com9 */
637         {0x3e, 0x0c},   /* com14 */
638         {0x41, 0x40},   /* com16 */
639         {0x72, 0x00},
640         {0x73, 0x01},
641         {0x74, 0x3a},
642         {0x75, 0x35},
643         {0x76, 0x01},
644         {0xc7, 0x80},   /* com24 */
645         {0x03, 0x1b},   /* vref */
646         {0x17, 0x1d},   /* hstart */
647         {0x18, 0x02},   /* hstop */
648         {0x19, 0x01},   /* vstrt */
649         {0x1a, 0x81},   /* vstop */
650         {0x32, 0xff},   /* href */
651         {0xc0, 0xe2},
652 };
653
654 static const u8 bridge_start_qvga[][2] = {
655         {0x94, 0xaa},
656         {0xf1, 0x60},
657         {0xe5, 0x04},
658         {0xc0, 0x50},
659         {0xc1, 0x3c},
660         {0x8c, 0x00},
661         {0x8d, 0x1c},
662         {0x34, 0x05},
663
664         {0xc2, 0x4c},
665         {0xc3, 0xf9},
666         {0xda, 0x00},
667         {0x50, 0x00},
668         {0x51, 0xa0},
669         {0x52, 0x78},
670         {0x53, 0x00},
671         {0x54, 0x00},
672         {0x55, 0x00},
673         {0x57, 0x00},
674         {0x5c, 0x00},
675         {0x5a, 0x50},
676         {0x5b, 0x3c},
677         {0x35, 0x02},
678         {0xd9, 0x10},
679         {0x94, 0x11},
680 };
681
682 static const u8 bridge_start_vga[][2] = {
683         {0x94, 0xaa},
684         {0xf1, 0x60},
685         {0xe5, 0x04},
686         {0xc0, 0x50},
687         {0xc1, 0x3c},
688         {0x8c, 0x00},
689         {0x8d, 0x1c},
690         {0x34, 0x05},
691         {0xc2, 0x0c},
692         {0xc3, 0xf9},
693         {0xda, 0x01},
694         {0x50, 0x00},
695         {0x51, 0xa0},
696         {0x52, 0x3c},
697         {0x53, 0x00},
698         {0x54, 0x00},
699         {0x55, 0x00},
700         {0x57, 0x00},
701         {0x5c, 0x00},
702         {0x5a, 0xa0},
703         {0x5b, 0x78},
704         {0x35, 0x02},
705         {0xd9, 0x10},
706         {0x94, 0x11},
707 };
708
709 static const u8 bridge_start_svga[][2] = {
710         {0x94, 0xaa},
711         {0xf1, 0x60},
712         {0xe5, 0x04},
713         {0xc0, 0xa0},
714         {0xc1, 0x80},
715         {0x8c, 0x00},
716         {0x8d, 0x1c},
717         {0x34, 0x05},
718         {0xc2, 0x4c},
719         {0xc3, 0xf9},
720         {0x50, 0x00},
721         {0x51, 0x40},
722         {0x52, 0x00},
723         {0x53, 0x00},
724         {0x54, 0x00},
725         {0x55, 0x88},
726         {0x57, 0x00},
727         {0x5c, 0x00},
728         {0x5a, 0xc8},
729         {0x5b, 0x96},
730         {0x35, 0x02},
731         {0xd9, 0x10},
732         {0xda, 0x00},
733         {0x94, 0x11},
734 };
735
736 static const u8 bridge_start_xga[][2] = {
737         {0x94, 0xaa},
738         {0xf1, 0x60},
739         {0xe5, 0x04},
740         {0xc0, 0xa0},
741         {0xc1, 0x80},
742         {0x8c, 0x00},
743         {0x8d, 0x1c},
744         {0x34, 0x05},
745         {0xc2, 0x4c},
746         {0xc3, 0xf9},
747         {0x50, 0x00},
748         {0x51, 0x40},
749         {0x52, 0x00},
750         {0x53, 0x00},
751         {0x54, 0x00},
752         {0x55, 0x88},
753         {0x57, 0x00},
754         {0x5c, 0x01},
755         {0x5a, 0x00},
756         {0x5b, 0xc0},
757         {0x35, 0x02},
758         {0xd9, 0x10},
759         {0xda, 0x01},
760         {0x94, 0x11},
761 };
762
763 static const u8 bridge_start_sxga[][2] = {
764         {0x94, 0xaa},
765         {0xf1, 0x60},
766         {0xe5, 0x04},
767         {0xc0, 0xa0},
768         {0xc1, 0x80},
769         {0x8c, 0x00},
770         {0x8d, 0x1c},
771         {0x34, 0x05},
772         {0xc2, 0x0c},
773         {0xc3, 0xf9},
774         {0xda, 0x00},
775         {0x35, 0x02},
776         {0xd9, 0x10},
777         {0x94, 0x11},
778 };
779
780 static const u8 ov965x_start_2_qvga[][2] = {
781         {0x3b, 0xe4},   /* com11 - night mode 1/4 frame rate */
782         {0x1e, 0x04},   /* mvfp */
783         {0x13, 0xe0},   /* com8 */
784         {0x00, 0x00},
785         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
786         {0x11, 0x01},   /* clkrc */
787         {0x6b, 0x5a},   /* dblv */
788         {0x6a, 0x02},   /* 50 Hz banding filter */
789         {0xc5, 0x03},   /* 60 Hz banding filter */
790         {0xa2, 0x96},   /* bd50 */
791         {0xa3, 0x7d},   /* bd60 */
792
793         {0xff, 0x13},   /* read 13, write ff 00 */
794         {0x13, 0xe7},
795         {0x3a, 0x80},   /* tslb - yuyv */
796 };
797
798 static const u8 ov965x_start_2_vga[][2] = {
799         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
800         {0x1e, 0x04},   /* mvfp */
801         {0x13, 0xe0},   /* com8 */
802         {0x00, 0x00},
803         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
804         {0x11, 0x03},   /* clkrc */
805         {0x6b, 0x5a},   /* dblv */
806         {0x6a, 0x05},   /* 50 Hz banding filter */
807         {0xc5, 0x07},   /* 60 Hz banding filter */
808         {0xa2, 0x4b},   /* bd50 */
809         {0xa3, 0x3e},   /* bd60 */
810
811         {0x2d, 0x00},   /* advfl */
812 };
813
814 static const u8 ov965x_start_2_svga[][2] = {    /* same for xga */
815         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
816         {0x1e, 0x04},   /* mvfp */
817         {0x13, 0xe0},   /* com8 */
818         {0x00, 0x00},
819         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
820         {0x11, 0x01},   /* clkrc */
821         {0x6b, 0x5a},   /* dblv */
822         {0x6a, 0x0c},   /* 50 Hz banding filter */
823         {0xc5, 0x0f},   /* 60 Hz banding filter */
824         {0xa2, 0x4e},   /* bd50 */
825         {0xa3, 0x41},   /* bd60 */
826 };
827
828 static const u8 ov965x_start_2_sxga[][2] = {
829         {0x13, 0xe0},   /* com8 */
830         {0x00, 0x00},
831         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
832         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
833         {0x1e, 0x04},   /* mvfp */
834         {0x11, 0x01},   /* clkrc */
835         {0x6b, 0x5a},   /* dblv */
836         {0x6a, 0x0c},   /* 50 Hz banding filter */
837         {0xc5, 0x0f},   /* 60 Hz banding filter */
838         {0xa2, 0x4e},   /* bd50 */
839         {0xa3, 0x41},   /* bd60 */
840 };
841
842 static const u8 ov562x_init[][2] = {
843         {0x88, 0x20},
844         {0x89, 0x0a},
845         {0x8a, 0x90},
846         {0x8b, 0x06},
847         {0x8c, 0x01},
848         {0x8d, 0x10},
849         {0x1c, 0x00},
850         {0x1d, 0x48},
851         {0x1d, 0x00},
852         {0x1d, 0xff},
853         {0x1c, 0x0a},
854         {0x1d, 0x2e},
855         {0x1d, 0x1e},
856 };
857
858 static const u8 ov562x_init_2[][2] = {
859         {0x12, 0x80},
860         {0x11, 0x41},
861         {0x13, 0x00},
862         {0x10, 0x1e},
863         {0x3b, 0x07},
864         {0x5b, 0x40},
865         {0x39, 0x07},
866         {0x53, 0x02},
867         {0x54, 0x60},
868         {0x04, 0x20},
869         {0x27, 0x04},
870         {0x3d, 0x40},
871         {0x36, 0x00},
872         {0xc5, 0x04},
873         {0x4e, 0x00},
874         {0x4f, 0x93},
875         {0x50, 0x7b},
876         {0xca, 0x0c},
877         {0xcb, 0x0f},
878         {0x39, 0x07},
879         {0x4a, 0x10},
880         {0x3e, 0x0a},
881         {0x3d, 0x00},
882         {0x0c, 0x38},
883         {0x38, 0x90},
884         {0x46, 0x30},
885         {0x4f, 0x93},
886         {0x50, 0x7b},
887         {0xab, 0x00},
888         {0xca, 0x0c},
889         {0xcb, 0x0f},
890         {0x37, 0x02},
891         {0x44, 0x48},
892         {0x8d, 0x44},
893         {0x2a, 0x00},
894         {0x2b, 0x00},
895         {0x32, 0x00},
896         {0x38, 0x90},
897         {0x53, 0x02},
898         {0x54, 0x60},
899         {0x12, 0x00},
900         {0x17, 0x12},
901         {0x18, 0xb4},
902         {0x19, 0x0c},
903         {0x1a, 0xf4},
904         {0x03, 0x4a},
905         {0x89, 0x20},
906         {0x83, 0x80},
907         {0xb7, 0x9d},
908         {0xb6, 0x11},
909         {0xb5, 0x55},
910         {0xb4, 0x00},
911         {0xa9, 0xf0},
912         {0xa8, 0x0a},
913         {0xb8, 0xf0},
914         {0xb9, 0xf0},
915         {0xba, 0xf0},
916         {0x81, 0x07},
917         {0x63, 0x44},
918         {0x13, 0xc7},
919         {0x14, 0x60},
920         {0x33, 0x75},
921         {0x2c, 0x00},
922         {0x09, 0x00},
923         {0x35, 0x30},
924         {0x27, 0x04},
925         {0x3c, 0x07},
926         {0x3a, 0x0a},
927         {0x3b, 0x07},
928         {0x01, 0x40},
929         {0x02, 0x40},
930         {0x16, 0x40},
931         {0x52, 0xb0},
932         {0x51, 0x83},
933         {0x21, 0xbb},
934         {0x22, 0x10},
935         {0x23, 0x03},
936         {0x35, 0x38},
937         {0x20, 0x90},
938         {0x28, 0x30},
939         {0x73, 0xe1},
940         {0x6c, 0x00},
941         {0x6d, 0x80},
942         {0x6e, 0x00},
943         {0x70, 0x04},
944         {0x71, 0x00},
945         {0x8d, 0x04},
946         {0x64, 0x00},
947         {0x65, 0x00},
948         {0x66, 0x00},
949         {0x67, 0x00},
950         {0x68, 0x00},
951         {0x69, 0x00},
952         {0x6a, 0x00},
953         {0x6b, 0x00},
954         {0x71, 0x94},
955         {0x74, 0x20},
956         {0x80, 0x09},
957         {0x85, 0xc0},
958 };
959
960 static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)
961 {
962         struct usb_device *udev = gspca_dev->dev;
963         int ret;
964
965         if (gspca_dev->usb_err < 0)
966                 return;
967         gspca_dev->usb_buf[0] = val;
968         ret = usb_control_msg(udev,
969                               usb_sndctrlpipe(udev, 0),
970                               0x01,
971                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
972                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
973         if (ret < 0) {
974                 pr_err("reg_w failed %d\n", ret);
975                 gspca_dev->usb_err = ret;
976         }
977 }
978
979 static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)
980 {
981         PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val);
982         reg_w_i(gspca_dev, reg, val);
983 }
984
985 static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
986 {
987         struct usb_device *udev = gspca_dev->dev;
988         int ret;
989
990         if (gspca_dev->usb_err < 0)
991                 return 0;
992         ret = usb_control_msg(udev,
993                               usb_rcvctrlpipe(udev, 0),
994                               0x01,
995                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
996                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
997         PDEBUG(D_USBI, "reg_r [%04x] -> %02x", reg, gspca_dev->usb_buf[0]);
998         if (ret < 0) {
999                 pr_err("reg_r err %d\n", ret);
1000                 gspca_dev->usb_err = ret;
1001         }
1002         return gspca_dev->usb_buf[0];
1003 }
1004
1005 static int sccb_check_status(struct gspca_dev *gspca_dev)
1006 {
1007         u8 data;
1008         int i;
1009
1010         for (i = 0; i < 5; i++) {
1011                 data = reg_r(gspca_dev, OV534_REG_STATUS);
1012
1013                 switch (data) {
1014                 case 0x00:
1015                         return 1;
1016                 case 0x04:
1017                         return 0;
1018                 case 0x03:
1019                         break;
1020                 default:
1021                         PDEBUG(D_USBI|D_USBO,
1022                                 "sccb status 0x%02x, attempt %d/5",
1023                                 data, i + 1);
1024                 }
1025         }
1026         return 0;
1027 }
1028
1029 static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
1030 {
1031         PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val);
1032         reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg);
1033         reg_w_i(gspca_dev, OV534_REG_WRITE, val);
1034         reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
1035
1036         if (!sccb_check_status(gspca_dev))
1037                 pr_err("sccb_write failed\n");
1038 }
1039
1040 static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg)
1041 {
1042         reg_w(gspca_dev, OV534_REG_SUBADDR, reg);
1043         reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
1044         if (!sccb_check_status(gspca_dev))
1045                 pr_err("sccb_read failed 1\n");
1046
1047         reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
1048         if (!sccb_check_status(gspca_dev))
1049                 pr_err("sccb_read failed 2\n");
1050
1051         return reg_r(gspca_dev, OV534_REG_READ);
1052 }
1053
1054 /* output a bridge sequence (reg - val) */
1055 static void reg_w_array(struct gspca_dev *gspca_dev,
1056                         const u8 (*data)[2], int len)
1057 {
1058         while (--len >= 0) {
1059                 reg_w(gspca_dev, (*data)[0], (*data)[1]);
1060                 data++;
1061         }
1062 }
1063
1064 /* output a sensor sequence (reg - val) */
1065 static void sccb_w_array(struct gspca_dev *gspca_dev,
1066                         const u8 (*data)[2], int len)
1067 {
1068         while (--len >= 0) {
1069                 if ((*data)[0] != 0xff) {
1070                         sccb_write(gspca_dev, (*data)[0], (*data)[1]);
1071                 } else {
1072                         sccb_read(gspca_dev, (*data)[1]);
1073                         sccb_write(gspca_dev, 0xff, 0x00);
1074                 }
1075                 data++;
1076         }
1077 }
1078
1079 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
1080  * (direction and output)? */
1081 static void set_led(struct gspca_dev *gspca_dev, int status)
1082 {
1083         u8 data;
1084
1085         PDEBUG(D_CONF, "led status: %d", status);
1086
1087         data = reg_r(gspca_dev, 0x21);
1088         data |= 0x80;
1089         reg_w(gspca_dev, 0x21, data);
1090
1091         data = reg_r(gspca_dev, 0x23);
1092         if (status)
1093                 data |= 0x80;
1094         else
1095                 data &= ~0x80;
1096
1097         reg_w(gspca_dev, 0x23, data);
1098
1099         if (!status) {
1100                 data = reg_r(gspca_dev, 0x21);
1101                 data &= ~0x80;
1102                 reg_w(gspca_dev, 0x21, data);
1103         }
1104 }
1105
1106 static void setbrightness(struct gspca_dev *gspca_dev)
1107 {
1108         struct sd *sd = (struct sd *) gspca_dev;
1109         u8 val;
1110
1111         if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS))
1112                 return;
1113         val = sd->ctrls[BRIGHTNESS].val;
1114         if (val < 8)
1115                 val = 15 - val;         /* f .. 8 */
1116         else
1117                 val = val - 8;          /* 0 .. 7 */
1118         sccb_write(gspca_dev, 0x55,     /* brtn - brightness adjustment */
1119                         0x0f | (val << 4));
1120 }
1121
1122 static void setcontrast(struct gspca_dev *gspca_dev)
1123 {
1124         struct sd *sd = (struct sd *) gspca_dev;
1125
1126         if (gspca_dev->ctrl_dis & (1 << CONTRAST))
1127                 return;
1128         sccb_write(gspca_dev, 0x56,     /* cnst1 - contrast 1 ctrl coeff */
1129                         sd->ctrls[CONTRAST].val << 4);
1130 }
1131
1132 static void setautogain(struct gspca_dev *gspca_dev)
1133 {
1134         struct sd *sd = (struct sd *) gspca_dev;
1135         u8 val;
1136
1137         if (gspca_dev->ctrl_dis & (1 << AUTOGAIN))
1138                 return;
1139 /*fixme: should adjust agc/awb/aec by different controls */
1140         val = sccb_read(gspca_dev, 0x13);               /* com8 */
1141         sccb_write(gspca_dev, 0xff, 0x00);
1142         if (sd->ctrls[AUTOGAIN].val)
1143                 val |= 0x05;            /* agc & aec */
1144         else
1145                 val &= 0xfa;
1146         sccb_write(gspca_dev, 0x13, val);
1147 }
1148
1149 static void setexposure(struct gspca_dev *gspca_dev)
1150 {
1151         struct sd *sd = (struct sd *) gspca_dev;
1152         u8 val;
1153         static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
1154
1155         if (gspca_dev->ctrl_dis & (1 << EXPOSURE))
1156                 return;
1157         sccb_write(gspca_dev, 0x10,                     /* aec[9:2] */
1158                         expo[sd->ctrls[EXPOSURE].val]);
1159
1160         val = sccb_read(gspca_dev, 0x13);               /* com8 */
1161         sccb_write(gspca_dev, 0xff, 0x00);
1162         sccb_write(gspca_dev, 0x13, val);
1163
1164         val = sccb_read(gspca_dev, 0xa1);               /* aech */
1165         sccb_write(gspca_dev, 0xff, 0x00);
1166         sccb_write(gspca_dev, 0xa1, val & 0xe0);        /* aec[15:10] = 0 */
1167 }
1168
1169 static void setsharpness(struct gspca_dev *gspca_dev)
1170 {
1171         struct sd *sd = (struct sd *) gspca_dev;
1172         s8 val;
1173
1174         if (gspca_dev->ctrl_dis & (1 << SHARPNESS))
1175                 return;
1176         val = sd->ctrls[SHARPNESS].val;
1177         if (val < 0) {                          /* auto */
1178                 val = sccb_read(gspca_dev, 0x42);       /* com17 */
1179                 sccb_write(gspca_dev, 0xff, 0x00);
1180                 sccb_write(gspca_dev, 0x42, val | 0x40);
1181                                 /* Edge enhancement strength auto adjust */
1182                 return;
1183         }
1184         if (val != 0)
1185                 val = 1 << (val - 1);
1186         sccb_write(gspca_dev, 0x3f,     /* edge - edge enhance. factor */
1187                         val);
1188         val = sccb_read(gspca_dev, 0x42);               /* com17 */
1189         sccb_write(gspca_dev, 0xff, 0x00);
1190         sccb_write(gspca_dev, 0x42, val & 0xbf);
1191 }
1192
1193 static void setsatur(struct gspca_dev *gspca_dev)
1194 {
1195         struct sd *sd = (struct sd *) gspca_dev;
1196         u8 val1, val2, val3;
1197         static const u8 matrix[5][2] = {
1198                 {0x14, 0x38},
1199                 {0x1e, 0x54},
1200                 {0x28, 0x70},
1201                 {0x32, 0x8c},
1202                 {0x48, 0x90}
1203         };
1204
1205         if (gspca_dev->ctrl_dis & (1 << SATUR))
1206                 return;
1207         val1 = matrix[sd->ctrls[SATUR].val][0];
1208         val2 = matrix[sd->ctrls[SATUR].val][1];
1209         val3 = val1 + val2;
1210         sccb_write(gspca_dev, 0x4f, val3);      /* matrix coeff */
1211         sccb_write(gspca_dev, 0x50, val3);
1212         sccb_write(gspca_dev, 0x51, 0x00);
1213         sccb_write(gspca_dev, 0x52, val1);
1214         sccb_write(gspca_dev, 0x53, val2);
1215         sccb_write(gspca_dev, 0x54, val3);
1216         sccb_write(gspca_dev, 0x58, 0x1a);      /* mtxs - coeff signs */
1217
1218         val1 = sccb_read(gspca_dev, 0x41);      /* com16 */
1219         sccb_write(gspca_dev, 0xff, 0x00);
1220         sccb_write(gspca_dev, 0x41, val1);
1221 }
1222
1223 static void setlightfreq(struct gspca_dev *gspca_dev)
1224 {
1225         struct sd *sd = (struct sd *) gspca_dev;
1226         u8 val;
1227
1228         if (gspca_dev->ctrl_dis & (1 << LIGHTFREQ))
1229                 return;
1230         val = sccb_read(gspca_dev, 0x13);               /* com8 */
1231         sccb_write(gspca_dev, 0xff, 0x00);
1232         if (sd->ctrls[LIGHTFREQ].val == 0) {
1233                 sccb_write(gspca_dev, 0x13, val & 0xdf);
1234                 return;
1235         }
1236         sccb_write(gspca_dev, 0x13, val | 0x20);
1237
1238         val = sccb_read(gspca_dev, 0x42);               /* com17 */
1239         sccb_write(gspca_dev, 0xff, 0x00);
1240         if (sd->ctrls[LIGHTFREQ].val == 1)
1241                 val |= 0x01;
1242         else
1243                 val &= 0xfe;
1244         sccb_write(gspca_dev, 0x42, val);
1245 }
1246
1247 /* this function is called at probe time */
1248 static int sd_config(struct gspca_dev *gspca_dev,
1249                      const struct usb_device_id *id)
1250 {
1251         struct sd *sd = (struct sd *) gspca_dev;
1252
1253         gspca_dev->cam.ctrls = sd->ctrls;
1254
1255 #if AUTOGAIN_DEF != 0
1256         gspca_dev->ctrl_inac |= (1 << EXPOSURE);
1257 #endif
1258         return 0;
1259 }
1260
1261 /* this function is called at probe and resume time */
1262 static int sd_init(struct gspca_dev *gspca_dev)
1263 {
1264         struct sd *sd = (struct sd *) gspca_dev;
1265         u16 sensor_id;
1266
1267         /* reset bridge */
1268         reg_w(gspca_dev, 0xe7, 0x3a);
1269         reg_w(gspca_dev, 0xe0, 0x08);
1270         msleep(100);
1271
1272         /* initialize the sensor address */
1273         reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60);
1274
1275         /* reset sensor */
1276         sccb_write(gspca_dev, 0x12, 0x80);
1277         msleep(10);
1278
1279         /* probe the sensor */
1280         sccb_read(gspca_dev, 0x0a);
1281         sensor_id = sccb_read(gspca_dev, 0x0a) << 8;
1282         sccb_read(gspca_dev, 0x0b);
1283         sensor_id |= sccb_read(gspca_dev, 0x0b);
1284         PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
1285
1286         /* initialize */
1287         if ((sensor_id & 0xfff0) == 0x9650) {
1288                 sd->sensor = SENSOR_OV965x;
1289
1290                 gspca_dev->cam.cam_mode = ov965x_mode;
1291                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov965x_mode);
1292
1293                 reg_w_array(gspca_dev, bridge_init,
1294                                 ARRAY_SIZE(bridge_init));
1295                 sccb_w_array(gspca_dev, ov965x_init,
1296                                 ARRAY_SIZE(ov965x_init));
1297                 reg_w_array(gspca_dev, bridge_init_2,
1298                                 ARRAY_SIZE(bridge_init_2));
1299                 sccb_w_array(gspca_dev, ov965x_init_2,
1300                                 ARRAY_SIZE(ov965x_init_2));
1301                 reg_w(gspca_dev, 0xe0, 0x00);
1302                 reg_w(gspca_dev, 0xe0, 0x01);
1303                 set_led(gspca_dev, 0);
1304                 reg_w(gspca_dev, 0xe0, 0x00);
1305         } else if ((sensor_id & 0xfff0) == 0x9710) {
1306                 const char *p;
1307                 int l;
1308
1309                 sd->sensor = SENSOR_OV971x;
1310
1311                 gspca_dev->cam.cam_mode = ov971x_mode;
1312                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode);
1313
1314                 /* no control yet */
1315                 gspca_dev->ctrl_dis = (1 << NCTRLS) - 1;
1316
1317                 gspca_dev->cam.bulk = 1;
1318                 gspca_dev->cam.bulk_size = 16384;
1319                 gspca_dev->cam.bulk_nurbs = 2;
1320
1321                 sccb_w_array(gspca_dev, ov971x_init,
1322                                 ARRAY_SIZE(ov971x_init));
1323
1324                 /* set video format on bridge processor */
1325                 /* access bridge processor's video format registers at: 0x00 */
1326                 reg_w(gspca_dev, 0x1c, 0x00);
1327                 /*set register: 0x00 is 'RAW8', 0x40 is 'YUV422' (YUYV?)*/
1328                 reg_w(gspca_dev, 0x1d, 0x00);
1329
1330                 /* Will W. specific stuff
1331                  * set VSYNC to
1332                  *      output (0x1f) if first webcam
1333                  *      input (0x17) if 2nd or 3rd webcam */
1334                 p = video_device_node_name(&gspca_dev->vdev);
1335                 l = strlen(p) - 1;
1336                 if (p[l] == '0')
1337                         reg_w(gspca_dev, 0x56, 0x1f);
1338                 else
1339                         reg_w(gspca_dev, 0x56, 0x17);
1340         } else if ((sensor_id & 0xfff0) == 0x5620) {
1341                 sd->sensor = SENSOR_OV562x;
1342
1343                 gspca_dev->cam.cam_mode = ov562x_mode;
1344                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode);
1345
1346                 reg_w_array(gspca_dev, ov562x_init,
1347                                 ARRAY_SIZE(ov562x_init));
1348                 sccb_w_array(gspca_dev, ov562x_init_2,
1349                                 ARRAY_SIZE(ov562x_init_2));
1350                 reg_w(gspca_dev, 0xe0, 0x00);
1351         } else {
1352                 err("Unknown sensor %04x", sensor_id);
1353                 return -EINVAL;
1354         }
1355
1356         return gspca_dev->usb_err;
1357 }
1358
1359 static int sd_start(struct gspca_dev *gspca_dev)
1360 {
1361         struct sd *sd = (struct sd *) gspca_dev;
1362
1363         if (sd->sensor == SENSOR_OV971x || sd->sensor == SENSOR_OV562x)
1364                 return gspca_dev->usb_err;
1365         switch (gspca_dev->curr_mode) {
1366         case QVGA_MODE:                 /* 320x240 */
1367                 sccb_w_array(gspca_dev, ov965x_start_1_vga,
1368                                 ARRAY_SIZE(ov965x_start_1_vga));
1369                 reg_w_array(gspca_dev, bridge_start_qvga,
1370                                 ARRAY_SIZE(bridge_start_qvga));
1371                 sccb_w_array(gspca_dev, ov965x_start_2_qvga,
1372                                 ARRAY_SIZE(ov965x_start_2_qvga));
1373                 break;
1374         case VGA_MODE:                  /* 640x480 */
1375                 sccb_w_array(gspca_dev, ov965x_start_1_vga,
1376                                 ARRAY_SIZE(ov965x_start_1_vga));
1377                 reg_w_array(gspca_dev, bridge_start_vga,
1378                                 ARRAY_SIZE(bridge_start_vga));
1379                 sccb_w_array(gspca_dev, ov965x_start_2_vga,
1380                                 ARRAY_SIZE(ov965x_start_2_vga));
1381                 break;
1382         case SVGA_MODE:                 /* 800x600 */
1383                 sccb_w_array(gspca_dev, ov965x_start_1_svga,
1384                                 ARRAY_SIZE(ov965x_start_1_svga));
1385                 reg_w_array(gspca_dev, bridge_start_svga,
1386                                 ARRAY_SIZE(bridge_start_svga));
1387                 sccb_w_array(gspca_dev, ov965x_start_2_svga,
1388                                 ARRAY_SIZE(ov965x_start_2_svga));
1389                 break;
1390         case XGA_MODE:                  /* 1024x768 */
1391                 sccb_w_array(gspca_dev, ov965x_start_1_xga,
1392                                 ARRAY_SIZE(ov965x_start_1_xga));
1393                 reg_w_array(gspca_dev, bridge_start_xga,
1394                                 ARRAY_SIZE(bridge_start_xga));
1395                 sccb_w_array(gspca_dev, ov965x_start_2_svga,
1396                                 ARRAY_SIZE(ov965x_start_2_svga));
1397                 break;
1398         default:
1399 /*      case SXGA_MODE:                  * 1280x1024 */
1400                 sccb_w_array(gspca_dev, ov965x_start_1_sxga,
1401                                 ARRAY_SIZE(ov965x_start_1_sxga));
1402                 reg_w_array(gspca_dev, bridge_start_sxga,
1403                                 ARRAY_SIZE(bridge_start_sxga));
1404                 sccb_w_array(gspca_dev, ov965x_start_2_sxga,
1405                                 ARRAY_SIZE(ov965x_start_2_sxga));
1406                 break;
1407         }
1408         setlightfreq(gspca_dev);
1409         setautogain(gspca_dev);
1410         setbrightness(gspca_dev);
1411         setcontrast(gspca_dev);
1412         setexposure(gspca_dev);
1413         setsharpness(gspca_dev);
1414         setsatur(gspca_dev);
1415
1416         reg_w(gspca_dev, 0xe0, 0x00);
1417         reg_w(gspca_dev, 0xe0, 0x00);
1418         set_led(gspca_dev, 1);
1419         return gspca_dev->usb_err;
1420 }
1421
1422 static void sd_stopN(struct gspca_dev *gspca_dev)
1423 {
1424         reg_w(gspca_dev, 0xe0, 0x01);
1425         set_led(gspca_dev, 0);
1426         reg_w(gspca_dev, 0xe0, 0x00);
1427 }
1428
1429 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
1430 #define UVC_STREAM_EOH  (1 << 7)
1431 #define UVC_STREAM_ERR  (1 << 6)
1432 #define UVC_STREAM_STI  (1 << 5)
1433 #define UVC_STREAM_RES  (1 << 4)
1434 #define UVC_STREAM_SCR  (1 << 3)
1435 #define UVC_STREAM_PTS  (1 << 2)
1436 #define UVC_STREAM_EOF  (1 << 1)
1437 #define UVC_STREAM_FID  (1 << 0)
1438
1439 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1440                         u8 *data, int len)
1441 {
1442         struct sd *sd = (struct sd *) gspca_dev;
1443         __u32 this_pts;
1444         u8 this_fid;
1445         int remaining_len = len;
1446         int payload_len;
1447
1448         payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
1449         do {
1450                 len = min(remaining_len, payload_len);
1451
1452                 /* Payloads are prefixed with a UVC-style header.  We
1453                    consider a frame to start when the FID toggles, or the PTS
1454                    changes.  A frame ends when EOF is set, and we've received
1455                    the correct number of bytes. */
1456
1457                 /* Verify UVC header.  Header length is always 12 */
1458                 if (data[0] != 12 || len < 12) {
1459                         PDEBUG(D_PACK, "bad header");
1460                         goto discard;
1461                 }
1462
1463                 /* Check errors */
1464                 if (data[1] & UVC_STREAM_ERR) {
1465                         PDEBUG(D_PACK, "payload error");
1466                         goto discard;
1467                 }
1468
1469                 /* Extract PTS and FID */
1470                 if (!(data[1] & UVC_STREAM_PTS)) {
1471                         PDEBUG(D_PACK, "PTS not present");
1472                         goto discard;
1473                 }
1474                 this_pts = (data[5] << 24) | (data[4] << 16)
1475                                                 | (data[3] << 8) | data[2];
1476                 this_fid = data[1] & UVC_STREAM_FID;
1477
1478                 /* If PTS or FID has changed, start a new frame. */
1479                 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
1480                         if (gspca_dev->last_packet_type == INTER_PACKET)
1481                                 gspca_frame_add(gspca_dev, LAST_PACKET,
1482                                                 NULL, 0);
1483                         sd->last_pts = this_pts;
1484                         sd->last_fid = this_fid;
1485                         gspca_frame_add(gspca_dev, FIRST_PACKET,
1486                                         data + 12, len - 12);
1487                 /* If this packet is marked as EOF, end the frame */
1488                 } else if (data[1] & UVC_STREAM_EOF) {
1489                         sd->last_pts = 0;
1490                         gspca_frame_add(gspca_dev, LAST_PACKET,
1491                                         data + 12, len - 12);
1492                 } else {
1493
1494                         /* Add the data from this payload */
1495                         gspca_frame_add(gspca_dev, INTER_PACKET,
1496                                         data + 12, len - 12);
1497                 }
1498
1499                 /* Done this payload */
1500                 goto scan_next;
1501
1502 discard:
1503                 /* Discard data until a new frame starts. */
1504                 gspca_dev->last_packet_type = DISCARD_PACKET;
1505
1506 scan_next:
1507                 remaining_len -= len;
1508                 data += len;
1509         } while (remaining_len > 0);
1510 }
1511
1512 static int sd_querymenu(struct gspca_dev *gspca_dev,
1513                         struct v4l2_querymenu *menu)
1514 {
1515         switch (menu->id) {
1516         case V4L2_CID_POWER_LINE_FREQUENCY:
1517                 switch (menu->index) {
1518                 case 0:         /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
1519                         strcpy((char *) menu->name, "NoFliker");
1520                         return 0;
1521                 case 1:         /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
1522                         strcpy((char *) menu->name, "50 Hz");
1523                         return 0;
1524                 case 2:         /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
1525                         strcpy((char *) menu->name, "60 Hz");
1526                         return 0;
1527                 }
1528                 break;
1529         }
1530         return -EINVAL;
1531 }
1532
1533 /* sub-driver description */
1534 static const struct sd_desc sd_desc = {
1535         .name     = MODULE_NAME,
1536         .ctrls    = sd_ctrls,
1537         .nctrls   = NCTRLS,
1538         .config   = sd_config,
1539         .init     = sd_init,
1540         .start    = sd_start,
1541         .stopN    = sd_stopN,
1542         .pkt_scan = sd_pkt_scan,
1543         .querymenu = sd_querymenu,
1544 };
1545
1546 /* -- module initialisation -- */
1547 static const struct usb_device_id device_table[] = {
1548         {USB_DEVICE(0x05a9, 0x8065)},
1549         {USB_DEVICE(0x06f8, 0x3003)},
1550         {USB_DEVICE(0x05a9, 0x1550)},
1551         {}
1552 };
1553
1554 MODULE_DEVICE_TABLE(usb, device_table);
1555
1556 /* -- device connect -- */
1557 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1558 {
1559         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1560                                 THIS_MODULE);
1561 }
1562
1563 static struct usb_driver sd_driver = {
1564         .name       = MODULE_NAME,
1565         .id_table   = device_table,
1566         .probe      = sd_probe,
1567         .disconnect = gspca_disconnect,
1568 #ifdef CONFIG_PM
1569         .suspend    = gspca_suspend,
1570         .resume     = gspca_resume,
1571 #endif
1572 };
1573
1574 module_usb_driver(sd_driver);