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 
reg_w_i(struct gspca_dev * gspca_dev,u16 reg,u8 val)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 
reg_w(struct gspca_dev * gspca_dev,u16 reg,u8 val)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 
reg_r(struct gspca_dev * gspca_dev,u16 reg)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 
sccb_check_status(struct gspca_dev * gspca_dev)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 
sccb_write(struct gspca_dev * gspca_dev,u8 reg,u8 val)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 
sccb_read(struct gspca_dev * gspca_dev,u16 reg)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) */
reg_w_array(struct gspca_dev * gspca_dev,const u8 (* data)[2],int len)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) */
sccb_w_array(struct gspca_dev * gspca_dev,const u8 (* data)[2],int len)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)? */
set_led(struct gspca_dev * gspca_dev,int status)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 
setbrightness(struct gspca_dev * gspca_dev)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 
setcontrast(struct gspca_dev * gspca_dev)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 
setautogain(struct gspca_dev * gspca_dev)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 
setexposure(struct gspca_dev * gspca_dev)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 
setsharpness(struct gspca_dev * gspca_dev)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 
setsatur(struct gspca_dev * gspca_dev)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 
setlightfreq(struct gspca_dev * gspca_dev)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 */
sd_config(struct gspca_dev * gspca_dev,const struct usb_device_id * id)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 */
sd_init(struct gspca_dev * gspca_dev)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 
sd_start(struct gspca_dev * gspca_dev)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 
sd_stopN(struct gspca_dev * gspca_dev)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 
sd_pkt_scan(struct gspca_dev * gspca_dev,u8 * data,int len)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 
sd_querymenu(struct gspca_dev * gspca_dev,struct v4l2_querymenu * menu)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 -- */
sd_probe(struct usb_interface * intf,const struct usb_device_id * id)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);
1575