1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Intel Corporation.
3
4 #include <linux/acpi.h>
5 #include <linux/i2c.h>
6 #include <linux/module.h>
7 #include <linux/pm_runtime.h>
8 #include <media/v4l2-ctrls.h>
9 #include <media/v4l2-device.h>
10 #include <media/v4l2-event.h>
11 #include <media/v4l2-fwnode.h>
12
13 #define OV5670_REG_CHIP_ID 0x300a
14 #define OV5670_CHIP_ID 0x005670
15
16 #define OV5670_REG_MODE_SELECT 0x0100
17 #define OV5670_MODE_STANDBY 0x00
18 #define OV5670_MODE_STREAMING 0x01
19
20 #define OV5670_REG_SOFTWARE_RST 0x0103
21 #define OV5670_SOFTWARE_RST 0x01
22
23 /* vertical-timings from sensor */
24 #define OV5670_REG_VTS 0x380e
25 #define OV5670_VTS_30FPS 0x0808 /* default for 30 fps */
26 #define OV5670_VTS_MAX 0xffff
27
28 /* horizontal-timings from sensor */
29 #define OV5670_REG_HTS 0x380c
30
31 /*
32 * Pixels-per-line(PPL) = Time-per-line * pixel-rate
33 * In OV5670, Time-per-line = HTS/SCLK.
34 * HTS is fixed for all resolutions, not recommended to change.
35 */
36 #define OV5670_FIXED_PPL 2724 /* Pixels per line */
37
38 /* Exposure controls from sensor */
39 #define OV5670_REG_EXPOSURE 0x3500
40 #define OV5670_EXPOSURE_MIN 4
41 #define OV5670_EXPOSURE_STEP 1
42
43 /* Analog gain controls from sensor */
44 #define OV5670_REG_ANALOG_GAIN 0x3508
45 #define ANALOG_GAIN_MIN 0
46 #define ANALOG_GAIN_MAX 8191
47 #define ANALOG_GAIN_STEP 1
48 #define ANALOG_GAIN_DEFAULT 128
49
50 /* Digital gain controls from sensor */
51 #define OV5670_REG_R_DGTL_GAIN 0x5032
52 #define OV5670_REG_G_DGTL_GAIN 0x5034
53 #define OV5670_REG_B_DGTL_GAIN 0x5036
54 #define OV5670_DGTL_GAIN_MIN 0
55 #define OV5670_DGTL_GAIN_MAX 4095
56 #define OV5670_DGTL_GAIN_STEP 1
57 #define OV5670_DGTL_GAIN_DEFAULT 1024
58
59 /* Test Pattern Control */
60 #define OV5670_REG_TEST_PATTERN 0x4303
61 #define OV5670_TEST_PATTERN_ENABLE BIT(3)
62 #define OV5670_REG_TEST_PATTERN_CTRL 0x4320
63
64 #define OV5670_REG_VALUE_08BIT 1
65 #define OV5670_REG_VALUE_16BIT 2
66 #define OV5670_REG_VALUE_24BIT 3
67
68 /* Initial number of frames to skip to avoid possible garbage */
69 #define OV5670_NUM_OF_SKIP_FRAMES 2
70
71 struct ov5670_reg {
72 u16 address;
73 u8 val;
74 };
75
76 struct ov5670_reg_list {
77 u32 num_of_regs;
78 const struct ov5670_reg *regs;
79 };
80
81 struct ov5670_link_freq_config {
82 u32 pixel_rate;
83 const struct ov5670_reg_list reg_list;
84 };
85
86 struct ov5670_mode {
87 /* Frame width in pixels */
88 u32 width;
89
90 /* Frame height in pixels */
91 u32 height;
92
93 /* Default vertical timining size */
94 u32 vts_def;
95
96 /* Min vertical timining size */
97 u32 vts_min;
98
99 /* Link frequency needed for this resolution */
100 u32 link_freq_index;
101
102 /* Sensor register settings for this resolution */
103 const struct ov5670_reg_list reg_list;
104 };
105
106 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
107 {0x0300, 0x04},
108 {0x0301, 0x00},
109 {0x0302, 0x84},
110 {0x0303, 0x00},
111 {0x0304, 0x03},
112 {0x0305, 0x01},
113 {0x0306, 0x01},
114 {0x030a, 0x00},
115 {0x030b, 0x00},
116 {0x030c, 0x00},
117 {0x030d, 0x26},
118 {0x030e, 0x00},
119 {0x030f, 0x06},
120 {0x0312, 0x01},
121 {0x3031, 0x0a},
122 };
123
124 static const struct ov5670_reg mode_2592x1944_regs[] = {
125 {0x3000, 0x00},
126 {0x3002, 0x21},
127 {0x3005, 0xf0},
128 {0x3007, 0x00},
129 {0x3015, 0x0f},
130 {0x3018, 0x32},
131 {0x301a, 0xf0},
132 {0x301b, 0xf0},
133 {0x301c, 0xf0},
134 {0x301d, 0xf0},
135 {0x301e, 0xf0},
136 {0x3030, 0x00},
137 {0x3031, 0x0a},
138 {0x303c, 0xff},
139 {0x303e, 0xff},
140 {0x3040, 0xf0},
141 {0x3041, 0x00},
142 {0x3042, 0xf0},
143 {0x3106, 0x11},
144 {0x3500, 0x00},
145 {0x3501, 0x80},
146 {0x3502, 0x00},
147 {0x3503, 0x04},
148 {0x3504, 0x03},
149 {0x3505, 0x83},
150 {0x3508, 0x04},
151 {0x3509, 0x00},
152 {0x350e, 0x04},
153 {0x350f, 0x00},
154 {0x3510, 0x00},
155 {0x3511, 0x02},
156 {0x3512, 0x00},
157 {0x3601, 0xc8},
158 {0x3610, 0x88},
159 {0x3612, 0x48},
160 {0x3614, 0x5b},
161 {0x3615, 0x96},
162 {0x3621, 0xd0},
163 {0x3622, 0x00},
164 {0x3623, 0x00},
165 {0x3633, 0x13},
166 {0x3634, 0x13},
167 {0x3635, 0x13},
168 {0x3636, 0x13},
169 {0x3645, 0x13},
170 {0x3646, 0x82},
171 {0x3650, 0x00},
172 {0x3652, 0xff},
173 {0x3655, 0x20},
174 {0x3656, 0xff},
175 {0x365a, 0xff},
176 {0x365e, 0xff},
177 {0x3668, 0x00},
178 {0x366a, 0x07},
179 {0x366e, 0x10},
180 {0x366d, 0x00},
181 {0x366f, 0x80},
182 {0x3700, 0x28},
183 {0x3701, 0x10},
184 {0x3702, 0x3a},
185 {0x3703, 0x19},
186 {0x3704, 0x10},
187 {0x3705, 0x00},
188 {0x3706, 0x66},
189 {0x3707, 0x08},
190 {0x3708, 0x34},
191 {0x3709, 0x40},
192 {0x370a, 0x01},
193 {0x370b, 0x1b},
194 {0x3714, 0x24},
195 {0x371a, 0x3e},
196 {0x3733, 0x00},
197 {0x3734, 0x00},
198 {0x373a, 0x05},
199 {0x373b, 0x06},
200 {0x373c, 0x0a},
201 {0x373f, 0xa0},
202 {0x3755, 0x00},
203 {0x3758, 0x00},
204 {0x375b, 0x0e},
205 {0x3766, 0x5f},
206 {0x3768, 0x00},
207 {0x3769, 0x22},
208 {0x3773, 0x08},
209 {0x3774, 0x1f},
210 {0x3776, 0x06},
211 {0x37a0, 0x88},
212 {0x37a1, 0x5c},
213 {0x37a7, 0x88},
214 {0x37a8, 0x70},
215 {0x37aa, 0x88},
216 {0x37ab, 0x48},
217 {0x37b3, 0x66},
218 {0x37c2, 0x04},
219 {0x37c5, 0x00},
220 {0x37c8, 0x00},
221 {0x3800, 0x00},
222 {0x3801, 0x0c},
223 {0x3802, 0x00},
224 {0x3803, 0x04},
225 {0x3804, 0x0a},
226 {0x3805, 0x33},
227 {0x3806, 0x07},
228 {0x3807, 0xa3},
229 {0x3808, 0x0a},
230 {0x3809, 0x20},
231 {0x380a, 0x07},
232 {0x380b, 0x98},
233 {0x380c, 0x06},
234 {0x380d, 0x90},
235 {0x380e, 0x08},
236 {0x380f, 0x08},
237 {0x3811, 0x04},
238 {0x3813, 0x02},
239 {0x3814, 0x01},
240 {0x3815, 0x01},
241 {0x3816, 0x00},
242 {0x3817, 0x00},
243 {0x3818, 0x00},
244 {0x3819, 0x00},
245 {0x3820, 0x84},
246 {0x3821, 0x46},
247 {0x3822, 0x48},
248 {0x3826, 0x00},
249 {0x3827, 0x08},
250 {0x382a, 0x01},
251 {0x382b, 0x01},
252 {0x3830, 0x08},
253 {0x3836, 0x02},
254 {0x3837, 0x00},
255 {0x3838, 0x10},
256 {0x3841, 0xff},
257 {0x3846, 0x48},
258 {0x3861, 0x00},
259 {0x3862, 0x04},
260 {0x3863, 0x06},
261 {0x3a11, 0x01},
262 {0x3a12, 0x78},
263 {0x3b00, 0x00},
264 {0x3b02, 0x00},
265 {0x3b03, 0x00},
266 {0x3b04, 0x00},
267 {0x3b05, 0x00},
268 {0x3c00, 0x89},
269 {0x3c01, 0xab},
270 {0x3c02, 0x01},
271 {0x3c03, 0x00},
272 {0x3c04, 0x00},
273 {0x3c05, 0x03},
274 {0x3c06, 0x00},
275 {0x3c07, 0x05},
276 {0x3c0c, 0x00},
277 {0x3c0d, 0x00},
278 {0x3c0e, 0x00},
279 {0x3c0f, 0x00},
280 {0x3c40, 0x00},
281 {0x3c41, 0xa3},
282 {0x3c43, 0x7d},
283 {0x3c45, 0xd7},
284 {0x3c47, 0xfc},
285 {0x3c50, 0x05},
286 {0x3c52, 0xaa},
287 {0x3c54, 0x71},
288 {0x3c56, 0x80},
289 {0x3d85, 0x17},
290 {0x3f03, 0x00},
291 {0x3f0a, 0x00},
292 {0x3f0b, 0x00},
293 {0x4001, 0x60},
294 {0x4009, 0x0d},
295 {0x4020, 0x00},
296 {0x4021, 0x00},
297 {0x4022, 0x00},
298 {0x4023, 0x00},
299 {0x4024, 0x00},
300 {0x4025, 0x00},
301 {0x4026, 0x00},
302 {0x4027, 0x00},
303 {0x4028, 0x00},
304 {0x4029, 0x00},
305 {0x402a, 0x00},
306 {0x402b, 0x00},
307 {0x402c, 0x00},
308 {0x402d, 0x00},
309 {0x402e, 0x00},
310 {0x402f, 0x00},
311 {0x4040, 0x00},
312 {0x4041, 0x03},
313 {0x4042, 0x00},
314 {0x4043, 0x7A},
315 {0x4044, 0x00},
316 {0x4045, 0x7A},
317 {0x4046, 0x00},
318 {0x4047, 0x7A},
319 {0x4048, 0x00},
320 {0x4049, 0x7A},
321 {0x4307, 0x30},
322 {0x4500, 0x58},
323 {0x4501, 0x04},
324 {0x4502, 0x40},
325 {0x4503, 0x10},
326 {0x4508, 0xaa},
327 {0x4509, 0xaa},
328 {0x450a, 0x00},
329 {0x450b, 0x00},
330 {0x4600, 0x01},
331 {0x4601, 0x03},
332 {0x4700, 0xa4},
333 {0x4800, 0x4c},
334 {0x4816, 0x53},
335 {0x481f, 0x40},
336 {0x4837, 0x13},
337 {0x5000, 0x56},
338 {0x5001, 0x01},
339 {0x5002, 0x28},
340 {0x5004, 0x0c},
341 {0x5006, 0x0c},
342 {0x5007, 0xe0},
343 {0x5008, 0x01},
344 {0x5009, 0xb0},
345 {0x5901, 0x00},
346 {0x5a01, 0x00},
347 {0x5a03, 0x00},
348 {0x5a04, 0x0c},
349 {0x5a05, 0xe0},
350 {0x5a06, 0x09},
351 {0x5a07, 0xb0},
352 {0x5a08, 0x06},
353 {0x5e00, 0x00},
354 {0x3734, 0x40},
355 {0x5b00, 0x01},
356 {0x5b01, 0x10},
357 {0x5b02, 0x01},
358 {0x5b03, 0xdb},
359 {0x3d8c, 0x71},
360 {0x3d8d, 0xea},
361 {0x4017, 0x08},
362 {0x3618, 0x2a},
363 {0x5780, 0x3e},
364 {0x5781, 0x0f},
365 {0x5782, 0x44},
366 {0x5783, 0x02},
367 {0x5784, 0x01},
368 {0x5785, 0x01},
369 {0x5786, 0x00},
370 {0x5787, 0x04},
371 {0x5788, 0x02},
372 {0x5789, 0x0f},
373 {0x578a, 0xfd},
374 {0x578b, 0xf5},
375 {0x578c, 0xf5},
376 {0x578d, 0x03},
377 {0x578e, 0x08},
378 {0x578f, 0x0c},
379 {0x5790, 0x08},
380 {0x5791, 0x06},
381 {0x5792, 0x00},
382 {0x5793, 0x52},
383 {0x5794, 0xa3},
384 {0x3503, 0x00},
385 {0x5045, 0x05},
386 {0x4003, 0x40},
387 {0x5048, 0x40}
388 };
389
390 static const struct ov5670_reg mode_1296x972_regs[] = {
391 {0x3000, 0x00},
392 {0x3002, 0x21},
393 {0x3005, 0xf0},
394 {0x3007, 0x00},
395 {0x3015, 0x0f},
396 {0x3018, 0x32},
397 {0x301a, 0xf0},
398 {0x301b, 0xf0},
399 {0x301c, 0xf0},
400 {0x301d, 0xf0},
401 {0x301e, 0xf0},
402 {0x3030, 0x00},
403 {0x3031, 0x0a},
404 {0x303c, 0xff},
405 {0x303e, 0xff},
406 {0x3040, 0xf0},
407 {0x3041, 0x00},
408 {0x3042, 0xf0},
409 {0x3106, 0x11},
410 {0x3500, 0x00},
411 {0x3501, 0x80},
412 {0x3502, 0x00},
413 {0x3503, 0x04},
414 {0x3504, 0x03},
415 {0x3505, 0x83},
416 {0x3508, 0x07},
417 {0x3509, 0x80},
418 {0x350e, 0x04},
419 {0x350f, 0x00},
420 {0x3510, 0x00},
421 {0x3511, 0x02},
422 {0x3512, 0x00},
423 {0x3601, 0xc8},
424 {0x3610, 0x88},
425 {0x3612, 0x48},
426 {0x3614, 0x5b},
427 {0x3615, 0x96},
428 {0x3621, 0xd0},
429 {0x3622, 0x00},
430 {0x3623, 0x00},
431 {0x3633, 0x13},
432 {0x3634, 0x13},
433 {0x3635, 0x13},
434 {0x3636, 0x13},
435 {0x3645, 0x13},
436 {0x3646, 0x82},
437 {0x3650, 0x00},
438 {0x3652, 0xff},
439 {0x3655, 0x20},
440 {0x3656, 0xff},
441 {0x365a, 0xff},
442 {0x365e, 0xff},
443 {0x3668, 0x00},
444 {0x366a, 0x07},
445 {0x366e, 0x08},
446 {0x366d, 0x00},
447 {0x366f, 0x80},
448 {0x3700, 0x28},
449 {0x3701, 0x10},
450 {0x3702, 0x3a},
451 {0x3703, 0x19},
452 {0x3704, 0x10},
453 {0x3705, 0x00},
454 {0x3706, 0x66},
455 {0x3707, 0x08},
456 {0x3708, 0x34},
457 {0x3709, 0x40},
458 {0x370a, 0x01},
459 {0x370b, 0x1b},
460 {0x3714, 0x24},
461 {0x371a, 0x3e},
462 {0x3733, 0x00},
463 {0x3734, 0x00},
464 {0x373a, 0x05},
465 {0x373b, 0x06},
466 {0x373c, 0x0a},
467 {0x373f, 0xa0},
468 {0x3755, 0x00},
469 {0x3758, 0x00},
470 {0x375b, 0x0e},
471 {0x3766, 0x5f},
472 {0x3768, 0x00},
473 {0x3769, 0x22},
474 {0x3773, 0x08},
475 {0x3774, 0x1f},
476 {0x3776, 0x06},
477 {0x37a0, 0x88},
478 {0x37a1, 0x5c},
479 {0x37a7, 0x88},
480 {0x37a8, 0x70},
481 {0x37aa, 0x88},
482 {0x37ab, 0x48},
483 {0x37b3, 0x66},
484 {0x37c2, 0x04},
485 {0x37c5, 0x00},
486 {0x37c8, 0x00},
487 {0x3800, 0x00},
488 {0x3801, 0x0c},
489 {0x3802, 0x00},
490 {0x3803, 0x04},
491 {0x3804, 0x0a},
492 {0x3805, 0x33},
493 {0x3806, 0x07},
494 {0x3807, 0xa3},
495 {0x3808, 0x05},
496 {0x3809, 0x10},
497 {0x380a, 0x03},
498 {0x380b, 0xcc},
499 {0x380c, 0x06},
500 {0x380d, 0x90},
501 {0x380e, 0x08},
502 {0x380f, 0x08},
503 {0x3811, 0x04},
504 {0x3813, 0x04},
505 {0x3814, 0x03},
506 {0x3815, 0x01},
507 {0x3816, 0x00},
508 {0x3817, 0x00},
509 {0x3818, 0x00},
510 {0x3819, 0x00},
511 {0x3820, 0x94},
512 {0x3821, 0x47},
513 {0x3822, 0x48},
514 {0x3826, 0x00},
515 {0x3827, 0x08},
516 {0x382a, 0x03},
517 {0x382b, 0x01},
518 {0x3830, 0x08},
519 {0x3836, 0x02},
520 {0x3837, 0x00},
521 {0x3838, 0x10},
522 {0x3841, 0xff},
523 {0x3846, 0x48},
524 {0x3861, 0x00},
525 {0x3862, 0x04},
526 {0x3863, 0x06},
527 {0x3a11, 0x01},
528 {0x3a12, 0x78},
529 {0x3b00, 0x00},
530 {0x3b02, 0x00},
531 {0x3b03, 0x00},
532 {0x3b04, 0x00},
533 {0x3b05, 0x00},
534 {0x3c00, 0x89},
535 {0x3c01, 0xab},
536 {0x3c02, 0x01},
537 {0x3c03, 0x00},
538 {0x3c04, 0x00},
539 {0x3c05, 0x03},
540 {0x3c06, 0x00},
541 {0x3c07, 0x05},
542 {0x3c0c, 0x00},
543 {0x3c0d, 0x00},
544 {0x3c0e, 0x00},
545 {0x3c0f, 0x00},
546 {0x3c40, 0x00},
547 {0x3c41, 0xa3},
548 {0x3c43, 0x7d},
549 {0x3c45, 0xd7},
550 {0x3c47, 0xfc},
551 {0x3c50, 0x05},
552 {0x3c52, 0xaa},
553 {0x3c54, 0x71},
554 {0x3c56, 0x80},
555 {0x3d85, 0x17},
556 {0x3f03, 0x00},
557 {0x3f0a, 0x00},
558 {0x3f0b, 0x00},
559 {0x4001, 0x60},
560 {0x4009, 0x05},
561 {0x4020, 0x00},
562 {0x4021, 0x00},
563 {0x4022, 0x00},
564 {0x4023, 0x00},
565 {0x4024, 0x00},
566 {0x4025, 0x00},
567 {0x4026, 0x00},
568 {0x4027, 0x00},
569 {0x4028, 0x00},
570 {0x4029, 0x00},
571 {0x402a, 0x00},
572 {0x402b, 0x00},
573 {0x402c, 0x00},
574 {0x402d, 0x00},
575 {0x402e, 0x00},
576 {0x402f, 0x00},
577 {0x4040, 0x00},
578 {0x4041, 0x03},
579 {0x4042, 0x00},
580 {0x4043, 0x7A},
581 {0x4044, 0x00},
582 {0x4045, 0x7A},
583 {0x4046, 0x00},
584 {0x4047, 0x7A},
585 {0x4048, 0x00},
586 {0x4049, 0x7A},
587 {0x4307, 0x30},
588 {0x4500, 0x58},
589 {0x4501, 0x04},
590 {0x4502, 0x48},
591 {0x4503, 0x10},
592 {0x4508, 0x55},
593 {0x4509, 0x55},
594 {0x450a, 0x00},
595 {0x450b, 0x00},
596 {0x4600, 0x00},
597 {0x4601, 0x81},
598 {0x4700, 0xa4},
599 {0x4800, 0x4c},
600 {0x4816, 0x53},
601 {0x481f, 0x40},
602 {0x4837, 0x13},
603 {0x5000, 0x56},
604 {0x5001, 0x01},
605 {0x5002, 0x28},
606 {0x5004, 0x0c},
607 {0x5006, 0x0c},
608 {0x5007, 0xe0},
609 {0x5008, 0x01},
610 {0x5009, 0xb0},
611 {0x5901, 0x00},
612 {0x5a01, 0x00},
613 {0x5a03, 0x00},
614 {0x5a04, 0x0c},
615 {0x5a05, 0xe0},
616 {0x5a06, 0x09},
617 {0x5a07, 0xb0},
618 {0x5a08, 0x06},
619 {0x5e00, 0x00},
620 {0x3734, 0x40},
621 {0x5b00, 0x01},
622 {0x5b01, 0x10},
623 {0x5b02, 0x01},
624 {0x5b03, 0xdb},
625 {0x3d8c, 0x71},
626 {0x3d8d, 0xea},
627 {0x4017, 0x10},
628 {0x3618, 0x2a},
629 {0x5780, 0x3e},
630 {0x5781, 0x0f},
631 {0x5782, 0x44},
632 {0x5783, 0x02},
633 {0x5784, 0x01},
634 {0x5785, 0x01},
635 {0x5786, 0x00},
636 {0x5787, 0x04},
637 {0x5788, 0x02},
638 {0x5789, 0x0f},
639 {0x578a, 0xfd},
640 {0x578b, 0xf5},
641 {0x578c, 0xf5},
642 {0x578d, 0x03},
643 {0x578e, 0x08},
644 {0x578f, 0x0c},
645 {0x5790, 0x08},
646 {0x5791, 0x04},
647 {0x5792, 0x00},
648 {0x5793, 0x52},
649 {0x5794, 0xa3},
650 {0x3503, 0x00},
651 {0x5045, 0x05},
652 {0x4003, 0x40},
653 {0x5048, 0x40}
654 };
655
656 static const struct ov5670_reg mode_648x486_regs[] = {
657 {0x3000, 0x00},
658 {0x3002, 0x21},
659 {0x3005, 0xf0},
660 {0x3007, 0x00},
661 {0x3015, 0x0f},
662 {0x3018, 0x32},
663 {0x301a, 0xf0},
664 {0x301b, 0xf0},
665 {0x301c, 0xf0},
666 {0x301d, 0xf0},
667 {0x301e, 0xf0},
668 {0x3030, 0x00},
669 {0x3031, 0x0a},
670 {0x303c, 0xff},
671 {0x303e, 0xff},
672 {0x3040, 0xf0},
673 {0x3041, 0x00},
674 {0x3042, 0xf0},
675 {0x3106, 0x11},
676 {0x3500, 0x00},
677 {0x3501, 0x80},
678 {0x3502, 0x00},
679 {0x3503, 0x04},
680 {0x3504, 0x03},
681 {0x3505, 0x83},
682 {0x3508, 0x04},
683 {0x3509, 0x00},
684 {0x350e, 0x04},
685 {0x350f, 0x00},
686 {0x3510, 0x00},
687 {0x3511, 0x02},
688 {0x3512, 0x00},
689 {0x3601, 0xc8},
690 {0x3610, 0x88},
691 {0x3612, 0x48},
692 {0x3614, 0x5b},
693 {0x3615, 0x96},
694 {0x3621, 0xd0},
695 {0x3622, 0x00},
696 {0x3623, 0x04},
697 {0x3633, 0x13},
698 {0x3634, 0x13},
699 {0x3635, 0x13},
700 {0x3636, 0x13},
701 {0x3645, 0x13},
702 {0x3646, 0x82},
703 {0x3650, 0x00},
704 {0x3652, 0xff},
705 {0x3655, 0x20},
706 {0x3656, 0xff},
707 {0x365a, 0xff},
708 {0x365e, 0xff},
709 {0x3668, 0x00},
710 {0x366a, 0x07},
711 {0x366e, 0x08},
712 {0x366d, 0x00},
713 {0x366f, 0x80},
714 {0x3700, 0x28},
715 {0x3701, 0x10},
716 {0x3702, 0x3a},
717 {0x3703, 0x19},
718 {0x3704, 0x10},
719 {0x3705, 0x00},
720 {0x3706, 0x66},
721 {0x3707, 0x08},
722 {0x3708, 0x34},
723 {0x3709, 0x40},
724 {0x370a, 0x01},
725 {0x370b, 0x1b},
726 {0x3714, 0x24},
727 {0x371a, 0x3e},
728 {0x3733, 0x00},
729 {0x3734, 0x00},
730 {0x373a, 0x05},
731 {0x373b, 0x06},
732 {0x373c, 0x0a},
733 {0x373f, 0xa0},
734 {0x3755, 0x00},
735 {0x3758, 0x00},
736 {0x375b, 0x0e},
737 {0x3766, 0x5f},
738 {0x3768, 0x00},
739 {0x3769, 0x22},
740 {0x3773, 0x08},
741 {0x3774, 0x1f},
742 {0x3776, 0x06},
743 {0x37a0, 0x88},
744 {0x37a1, 0x5c},
745 {0x37a7, 0x88},
746 {0x37a8, 0x70},
747 {0x37aa, 0x88},
748 {0x37ab, 0x48},
749 {0x37b3, 0x66},
750 {0x37c2, 0x04},
751 {0x37c5, 0x00},
752 {0x37c8, 0x00},
753 {0x3800, 0x00},
754 {0x3801, 0x0c},
755 {0x3802, 0x00},
756 {0x3803, 0x04},
757 {0x3804, 0x0a},
758 {0x3805, 0x33},
759 {0x3806, 0x07},
760 {0x3807, 0xa3},
761 {0x3808, 0x02},
762 {0x3809, 0x88},
763 {0x380a, 0x01},
764 {0x380b, 0xe6},
765 {0x380c, 0x06},
766 {0x380d, 0x90},
767 {0x380e, 0x08},
768 {0x380f, 0x08},
769 {0x3811, 0x04},
770 {0x3813, 0x02},
771 {0x3814, 0x07},
772 {0x3815, 0x01},
773 {0x3816, 0x00},
774 {0x3817, 0x00},
775 {0x3818, 0x00},
776 {0x3819, 0x00},
777 {0x3820, 0x94},
778 {0x3821, 0xc6},
779 {0x3822, 0x48},
780 {0x3826, 0x00},
781 {0x3827, 0x08},
782 {0x382a, 0x07},
783 {0x382b, 0x01},
784 {0x3830, 0x08},
785 {0x3836, 0x02},
786 {0x3837, 0x00},
787 {0x3838, 0x10},
788 {0x3841, 0xff},
789 {0x3846, 0x48},
790 {0x3861, 0x00},
791 {0x3862, 0x04},
792 {0x3863, 0x06},
793 {0x3a11, 0x01},
794 {0x3a12, 0x78},
795 {0x3b00, 0x00},
796 {0x3b02, 0x00},
797 {0x3b03, 0x00},
798 {0x3b04, 0x00},
799 {0x3b05, 0x00},
800 {0x3c00, 0x89},
801 {0x3c01, 0xab},
802 {0x3c02, 0x01},
803 {0x3c03, 0x00},
804 {0x3c04, 0x00},
805 {0x3c05, 0x03},
806 {0x3c06, 0x00},
807 {0x3c07, 0x05},
808 {0x3c0c, 0x00},
809 {0x3c0d, 0x00},
810 {0x3c0e, 0x00},
811 {0x3c0f, 0x00},
812 {0x3c40, 0x00},
813 {0x3c41, 0xa3},
814 {0x3c43, 0x7d},
815 {0x3c45, 0xd7},
816 {0x3c47, 0xfc},
817 {0x3c50, 0x05},
818 {0x3c52, 0xaa},
819 {0x3c54, 0x71},
820 {0x3c56, 0x80},
821 {0x3d85, 0x17},
822 {0x3f03, 0x00},
823 {0x3f0a, 0x00},
824 {0x3f0b, 0x00},
825 {0x4001, 0x60},
826 {0x4009, 0x05},
827 {0x4020, 0x00},
828 {0x4021, 0x00},
829 {0x4022, 0x00},
830 {0x4023, 0x00},
831 {0x4024, 0x00},
832 {0x4025, 0x00},
833 {0x4026, 0x00},
834 {0x4027, 0x00},
835 {0x4028, 0x00},
836 {0x4029, 0x00},
837 {0x402a, 0x00},
838 {0x402b, 0x00},
839 {0x402c, 0x00},
840 {0x402d, 0x00},
841 {0x402e, 0x00},
842 {0x402f, 0x00},
843 {0x4040, 0x00},
844 {0x4041, 0x03},
845 {0x4042, 0x00},
846 {0x4043, 0x7A},
847 {0x4044, 0x00},
848 {0x4045, 0x7A},
849 {0x4046, 0x00},
850 {0x4047, 0x7A},
851 {0x4048, 0x00},
852 {0x4049, 0x7A},
853 {0x4307, 0x30},
854 {0x4500, 0x58},
855 {0x4501, 0x04},
856 {0x4502, 0x40},
857 {0x4503, 0x10},
858 {0x4508, 0x55},
859 {0x4509, 0x55},
860 {0x450a, 0x02},
861 {0x450b, 0x00},
862 {0x4600, 0x00},
863 {0x4601, 0x40},
864 {0x4700, 0xa4},
865 {0x4800, 0x4c},
866 {0x4816, 0x53},
867 {0x481f, 0x40},
868 {0x4837, 0x13},
869 {0x5000, 0x56},
870 {0x5001, 0x01},
871 {0x5002, 0x28},
872 {0x5004, 0x0c},
873 {0x5006, 0x0c},
874 {0x5007, 0xe0},
875 {0x5008, 0x01},
876 {0x5009, 0xb0},
877 {0x5901, 0x00},
878 {0x5a01, 0x00},
879 {0x5a03, 0x00},
880 {0x5a04, 0x0c},
881 {0x5a05, 0xe0},
882 {0x5a06, 0x09},
883 {0x5a07, 0xb0},
884 {0x5a08, 0x06},
885 {0x5e00, 0x00},
886 {0x3734, 0x40},
887 {0x5b00, 0x01},
888 {0x5b01, 0x10},
889 {0x5b02, 0x01},
890 {0x5b03, 0xdb},
891 {0x3d8c, 0x71},
892 {0x3d8d, 0xea},
893 {0x4017, 0x10},
894 {0x3618, 0x2a},
895 {0x5780, 0x3e},
896 {0x5781, 0x0f},
897 {0x5782, 0x44},
898 {0x5783, 0x02},
899 {0x5784, 0x01},
900 {0x5785, 0x01},
901 {0x5786, 0x00},
902 {0x5787, 0x04},
903 {0x5788, 0x02},
904 {0x5789, 0x0f},
905 {0x578a, 0xfd},
906 {0x578b, 0xf5},
907 {0x578c, 0xf5},
908 {0x578d, 0x03},
909 {0x578e, 0x08},
910 {0x578f, 0x0c},
911 {0x5790, 0x08},
912 {0x5791, 0x06},
913 {0x5792, 0x00},
914 {0x5793, 0x52},
915 {0x5794, 0xa3},
916 {0x3503, 0x00},
917 {0x5045, 0x05},
918 {0x4003, 0x40},
919 {0x5048, 0x40}
920 };
921
922 static const struct ov5670_reg mode_2560x1440_regs[] = {
923 {0x3000, 0x00},
924 {0x3002, 0x21},
925 {0x3005, 0xf0},
926 {0x3007, 0x00},
927 {0x3015, 0x0f},
928 {0x3018, 0x32},
929 {0x301a, 0xf0},
930 {0x301b, 0xf0},
931 {0x301c, 0xf0},
932 {0x301d, 0xf0},
933 {0x301e, 0xf0},
934 {0x3030, 0x00},
935 {0x3031, 0x0a},
936 {0x303c, 0xff},
937 {0x303e, 0xff},
938 {0x3040, 0xf0},
939 {0x3041, 0x00},
940 {0x3042, 0xf0},
941 {0x3106, 0x11},
942 {0x3500, 0x00},
943 {0x3501, 0x80},
944 {0x3502, 0x00},
945 {0x3503, 0x04},
946 {0x3504, 0x03},
947 {0x3505, 0x83},
948 {0x3508, 0x04},
949 {0x3509, 0x00},
950 {0x350e, 0x04},
951 {0x350f, 0x00},
952 {0x3510, 0x00},
953 {0x3511, 0x02},
954 {0x3512, 0x00},
955 {0x3601, 0xc8},
956 {0x3610, 0x88},
957 {0x3612, 0x48},
958 {0x3614, 0x5b},
959 {0x3615, 0x96},
960 {0x3621, 0xd0},
961 {0x3622, 0x00},
962 {0x3623, 0x00},
963 {0x3633, 0x13},
964 {0x3634, 0x13},
965 {0x3635, 0x13},
966 {0x3636, 0x13},
967 {0x3645, 0x13},
968 {0x3646, 0x82},
969 {0x3650, 0x00},
970 {0x3652, 0xff},
971 {0x3655, 0x20},
972 {0x3656, 0xff},
973 {0x365a, 0xff},
974 {0x365e, 0xff},
975 {0x3668, 0x00},
976 {0x366a, 0x07},
977 {0x366e, 0x10},
978 {0x366d, 0x00},
979 {0x366f, 0x80},
980 {0x3700, 0x28},
981 {0x3701, 0x10},
982 {0x3702, 0x3a},
983 {0x3703, 0x19},
984 {0x3704, 0x10},
985 {0x3705, 0x00},
986 {0x3706, 0x66},
987 {0x3707, 0x08},
988 {0x3708, 0x34},
989 {0x3709, 0x40},
990 {0x370a, 0x01},
991 {0x370b, 0x1b},
992 {0x3714, 0x24},
993 {0x371a, 0x3e},
994 {0x3733, 0x00},
995 {0x3734, 0x00},
996 {0x373a, 0x05},
997 {0x373b, 0x06},
998 {0x373c, 0x0a},
999 {0x373f, 0xa0},
1000 {0x3755, 0x00},
1001 {0x3758, 0x00},
1002 {0x375b, 0x0e},
1003 {0x3766, 0x5f},
1004 {0x3768, 0x00},
1005 {0x3769, 0x22},
1006 {0x3773, 0x08},
1007 {0x3774, 0x1f},
1008 {0x3776, 0x06},
1009 {0x37a0, 0x88},
1010 {0x37a1, 0x5c},
1011 {0x37a7, 0x88},
1012 {0x37a8, 0x70},
1013 {0x37aa, 0x88},
1014 {0x37ab, 0x48},
1015 {0x37b3, 0x66},
1016 {0x37c2, 0x04},
1017 {0x37c5, 0x00},
1018 {0x37c8, 0x00},
1019 {0x3800, 0x00},
1020 {0x3801, 0x0c},
1021 {0x3802, 0x00},
1022 {0x3803, 0x04},
1023 {0x3804, 0x0a},
1024 {0x3805, 0x33},
1025 {0x3806, 0x07},
1026 {0x3807, 0xa3},
1027 {0x3808, 0x0a},
1028 {0x3809, 0x00},
1029 {0x380a, 0x05},
1030 {0x380b, 0xa0},
1031 {0x380c, 0x06},
1032 {0x380d, 0x90},
1033 {0x380e, 0x08},
1034 {0x380f, 0x08},
1035 {0x3811, 0x04},
1036 {0x3813, 0x02},
1037 {0x3814, 0x01},
1038 {0x3815, 0x01},
1039 {0x3816, 0x00},
1040 {0x3817, 0x00},
1041 {0x3818, 0x00},
1042 {0x3819, 0x00},
1043 {0x3820, 0x84},
1044 {0x3821, 0x46},
1045 {0x3822, 0x48},
1046 {0x3826, 0x00},
1047 {0x3827, 0x08},
1048 {0x382a, 0x01},
1049 {0x382b, 0x01},
1050 {0x3830, 0x08},
1051 {0x3836, 0x02},
1052 {0x3837, 0x00},
1053 {0x3838, 0x10},
1054 {0x3841, 0xff},
1055 {0x3846, 0x48},
1056 {0x3861, 0x00},
1057 {0x3862, 0x04},
1058 {0x3863, 0x06},
1059 {0x3a11, 0x01},
1060 {0x3a12, 0x78},
1061 {0x3b00, 0x00},
1062 {0x3b02, 0x00},
1063 {0x3b03, 0x00},
1064 {0x3b04, 0x00},
1065 {0x3b05, 0x00},
1066 {0x3c00, 0x89},
1067 {0x3c01, 0xab},
1068 {0x3c02, 0x01},
1069 {0x3c03, 0x00},
1070 {0x3c04, 0x00},
1071 {0x3c05, 0x03},
1072 {0x3c06, 0x00},
1073 {0x3c07, 0x05},
1074 {0x3c0c, 0x00},
1075 {0x3c0d, 0x00},
1076 {0x3c0e, 0x00},
1077 {0x3c0f, 0x00},
1078 {0x3c40, 0x00},
1079 {0x3c41, 0xa3},
1080 {0x3c43, 0x7d},
1081 {0x3c45, 0xd7},
1082 {0x3c47, 0xfc},
1083 {0x3c50, 0x05},
1084 {0x3c52, 0xaa},
1085 {0x3c54, 0x71},
1086 {0x3c56, 0x80},
1087 {0x3d85, 0x17},
1088 {0x3f03, 0x00},
1089 {0x3f0a, 0x00},
1090 {0x3f0b, 0x00},
1091 {0x4001, 0x60},
1092 {0x4009, 0x0d},
1093 {0x4020, 0x00},
1094 {0x4021, 0x00},
1095 {0x4022, 0x00},
1096 {0x4023, 0x00},
1097 {0x4024, 0x00},
1098 {0x4025, 0x00},
1099 {0x4026, 0x00},
1100 {0x4027, 0x00},
1101 {0x4028, 0x00},
1102 {0x4029, 0x00},
1103 {0x402a, 0x00},
1104 {0x402b, 0x00},
1105 {0x402c, 0x00},
1106 {0x402d, 0x00},
1107 {0x402e, 0x00},
1108 {0x402f, 0x00},
1109 {0x4040, 0x00},
1110 {0x4041, 0x03},
1111 {0x4042, 0x00},
1112 {0x4043, 0x7A},
1113 {0x4044, 0x00},
1114 {0x4045, 0x7A},
1115 {0x4046, 0x00},
1116 {0x4047, 0x7A},
1117 {0x4048, 0x00},
1118 {0x4049, 0x7A},
1119 {0x4307, 0x30},
1120 {0x4500, 0x58},
1121 {0x4501, 0x04},
1122 {0x4502, 0x40},
1123 {0x4503, 0x10},
1124 {0x4508, 0xaa},
1125 {0x4509, 0xaa},
1126 {0x450a, 0x00},
1127 {0x450b, 0x00},
1128 {0x4600, 0x01},
1129 {0x4601, 0x00},
1130 {0x4700, 0xa4},
1131 {0x4800, 0x4c},
1132 {0x4816, 0x53},
1133 {0x481f, 0x40},
1134 {0x4837, 0x13},
1135 {0x5000, 0x56},
1136 {0x5001, 0x01},
1137 {0x5002, 0x28},
1138 {0x5004, 0x0c},
1139 {0x5006, 0x0c},
1140 {0x5007, 0xe0},
1141 {0x5008, 0x01},
1142 {0x5009, 0xb0},
1143 {0x5901, 0x00},
1144 {0x5a01, 0x00},
1145 {0x5a03, 0x00},
1146 {0x5a04, 0x0c},
1147 {0x5a05, 0xe0},
1148 {0x5a06, 0x09},
1149 {0x5a07, 0xb0},
1150 {0x5a08, 0x06},
1151 {0x5e00, 0x00},
1152 {0x3734, 0x40},
1153 {0x5b00, 0x01},
1154 {0x5b01, 0x10},
1155 {0x5b02, 0x01},
1156 {0x5b03, 0xdb},
1157 {0x3d8c, 0x71},
1158 {0x3d8d, 0xea},
1159 {0x4017, 0x08},
1160 {0x3618, 0x2a},
1161 {0x5780, 0x3e},
1162 {0x5781, 0x0f},
1163 {0x5782, 0x44},
1164 {0x5783, 0x02},
1165 {0x5784, 0x01},
1166 {0x5785, 0x01},
1167 {0x5786, 0x00},
1168 {0x5787, 0x04},
1169 {0x5788, 0x02},
1170 {0x5789, 0x0f},
1171 {0x578a, 0xfd},
1172 {0x578b, 0xf5},
1173 {0x578c, 0xf5},
1174 {0x578d, 0x03},
1175 {0x578e, 0x08},
1176 {0x578f, 0x0c},
1177 {0x5790, 0x08},
1178 {0x5791, 0x06},
1179 {0x5792, 0x00},
1180 {0x5793, 0x52},
1181 {0x5794, 0xa3},
1182 {0x5045, 0x05},
1183 {0x4003, 0x40},
1184 {0x5048, 0x40}
1185 };
1186
1187 static const struct ov5670_reg mode_1280x720_regs[] = {
1188 {0x3000, 0x00},
1189 {0x3002, 0x21},
1190 {0x3005, 0xf0},
1191 {0x3007, 0x00},
1192 {0x3015, 0x0f},
1193 {0x3018, 0x32},
1194 {0x301a, 0xf0},
1195 {0x301b, 0xf0},
1196 {0x301c, 0xf0},
1197 {0x301d, 0xf0},
1198 {0x301e, 0xf0},
1199 {0x3030, 0x00},
1200 {0x3031, 0x0a},
1201 {0x303c, 0xff},
1202 {0x303e, 0xff},
1203 {0x3040, 0xf0},
1204 {0x3041, 0x00},
1205 {0x3042, 0xf0},
1206 {0x3106, 0x11},
1207 {0x3500, 0x00},
1208 {0x3501, 0x80},
1209 {0x3502, 0x00},
1210 {0x3503, 0x04},
1211 {0x3504, 0x03},
1212 {0x3505, 0x83},
1213 {0x3508, 0x04},
1214 {0x3509, 0x00},
1215 {0x350e, 0x04},
1216 {0x350f, 0x00},
1217 {0x3510, 0x00},
1218 {0x3511, 0x02},
1219 {0x3512, 0x00},
1220 {0x3601, 0xc8},
1221 {0x3610, 0x88},
1222 {0x3612, 0x48},
1223 {0x3614, 0x5b},
1224 {0x3615, 0x96},
1225 {0x3621, 0xd0},
1226 {0x3622, 0x00},
1227 {0x3623, 0x00},
1228 {0x3633, 0x13},
1229 {0x3634, 0x13},
1230 {0x3635, 0x13},
1231 {0x3636, 0x13},
1232 {0x3645, 0x13},
1233 {0x3646, 0x82},
1234 {0x3650, 0x00},
1235 {0x3652, 0xff},
1236 {0x3655, 0x20},
1237 {0x3656, 0xff},
1238 {0x365a, 0xff},
1239 {0x365e, 0xff},
1240 {0x3668, 0x00},
1241 {0x366a, 0x07},
1242 {0x366e, 0x08},
1243 {0x366d, 0x00},
1244 {0x366f, 0x80},
1245 {0x3700, 0x28},
1246 {0x3701, 0x10},
1247 {0x3702, 0x3a},
1248 {0x3703, 0x19},
1249 {0x3704, 0x10},
1250 {0x3705, 0x00},
1251 {0x3706, 0x66},
1252 {0x3707, 0x08},
1253 {0x3708, 0x34},
1254 {0x3709, 0x40},
1255 {0x370a, 0x01},
1256 {0x370b, 0x1b},
1257 {0x3714, 0x24},
1258 {0x371a, 0x3e},
1259 {0x3733, 0x00},
1260 {0x3734, 0x00},
1261 {0x373a, 0x05},
1262 {0x373b, 0x06},
1263 {0x373c, 0x0a},
1264 {0x373f, 0xa0},
1265 {0x3755, 0x00},
1266 {0x3758, 0x00},
1267 {0x375b, 0x0e},
1268 {0x3766, 0x5f},
1269 {0x3768, 0x00},
1270 {0x3769, 0x22},
1271 {0x3773, 0x08},
1272 {0x3774, 0x1f},
1273 {0x3776, 0x06},
1274 {0x37a0, 0x88},
1275 {0x37a1, 0x5c},
1276 {0x37a7, 0x88},
1277 {0x37a8, 0x70},
1278 {0x37aa, 0x88},
1279 {0x37ab, 0x48},
1280 {0x37b3, 0x66},
1281 {0x37c2, 0x04},
1282 {0x37c5, 0x00},
1283 {0x37c8, 0x00},
1284 {0x3800, 0x00},
1285 {0x3801, 0x0c},
1286 {0x3802, 0x00},
1287 {0x3803, 0x04},
1288 {0x3804, 0x0a},
1289 {0x3805, 0x33},
1290 {0x3806, 0x07},
1291 {0x3807, 0xa3},
1292 {0x3808, 0x05},
1293 {0x3809, 0x00},
1294 {0x380a, 0x02},
1295 {0x380b, 0xd0},
1296 {0x380c, 0x06},
1297 {0x380d, 0x90},
1298 {0x380e, 0x08},
1299 {0x380f, 0x08},
1300 {0x3811, 0x04},
1301 {0x3813, 0x02},
1302 {0x3814, 0x03},
1303 {0x3815, 0x01},
1304 {0x3816, 0x00},
1305 {0x3817, 0x00},
1306 {0x3818, 0x00},
1307 {0x3819, 0x00},
1308 {0x3820, 0x94},
1309 {0x3821, 0x47},
1310 {0x3822, 0x48},
1311 {0x3826, 0x00},
1312 {0x3827, 0x08},
1313 {0x382a, 0x03},
1314 {0x382b, 0x01},
1315 {0x3830, 0x08},
1316 {0x3836, 0x02},
1317 {0x3837, 0x00},
1318 {0x3838, 0x10},
1319 {0x3841, 0xff},
1320 {0x3846, 0x48},
1321 {0x3861, 0x00},
1322 {0x3862, 0x04},
1323 {0x3863, 0x06},
1324 {0x3a11, 0x01},
1325 {0x3a12, 0x78},
1326 {0x3b00, 0x00},
1327 {0x3b02, 0x00},
1328 {0x3b03, 0x00},
1329 {0x3b04, 0x00},
1330 {0x3b05, 0x00},
1331 {0x3c00, 0x89},
1332 {0x3c01, 0xab},
1333 {0x3c02, 0x01},
1334 {0x3c03, 0x00},
1335 {0x3c04, 0x00},
1336 {0x3c05, 0x03},
1337 {0x3c06, 0x00},
1338 {0x3c07, 0x05},
1339 {0x3c0c, 0x00},
1340 {0x3c0d, 0x00},
1341 {0x3c0e, 0x00},
1342 {0x3c0f, 0x00},
1343 {0x3c40, 0x00},
1344 {0x3c41, 0xa3},
1345 {0x3c43, 0x7d},
1346 {0x3c45, 0xd7},
1347 {0x3c47, 0xfc},
1348 {0x3c50, 0x05},
1349 {0x3c52, 0xaa},
1350 {0x3c54, 0x71},
1351 {0x3c56, 0x80},
1352 {0x3d85, 0x17},
1353 {0x3f03, 0x00},
1354 {0x3f0a, 0x00},
1355 {0x3f0b, 0x00},
1356 {0x4001, 0x60},
1357 {0x4009, 0x05},
1358 {0x4020, 0x00},
1359 {0x4021, 0x00},
1360 {0x4022, 0x00},
1361 {0x4023, 0x00},
1362 {0x4024, 0x00},
1363 {0x4025, 0x00},
1364 {0x4026, 0x00},
1365 {0x4027, 0x00},
1366 {0x4028, 0x00},
1367 {0x4029, 0x00},
1368 {0x402a, 0x00},
1369 {0x402b, 0x00},
1370 {0x402c, 0x00},
1371 {0x402d, 0x00},
1372 {0x402e, 0x00},
1373 {0x402f, 0x00},
1374 {0x4040, 0x00},
1375 {0x4041, 0x03},
1376 {0x4042, 0x00},
1377 {0x4043, 0x7A},
1378 {0x4044, 0x00},
1379 {0x4045, 0x7A},
1380 {0x4046, 0x00},
1381 {0x4047, 0x7A},
1382 {0x4048, 0x00},
1383 {0x4049, 0x7A},
1384 {0x4307, 0x30},
1385 {0x4500, 0x58},
1386 {0x4501, 0x04},
1387 {0x4502, 0x48},
1388 {0x4503, 0x10},
1389 {0x4508, 0x55},
1390 {0x4509, 0x55},
1391 {0x450a, 0x00},
1392 {0x450b, 0x00},
1393 {0x4600, 0x00},
1394 {0x4601, 0x80},
1395 {0x4700, 0xa4},
1396 {0x4800, 0x4c},
1397 {0x4816, 0x53},
1398 {0x481f, 0x40},
1399 {0x4837, 0x13},
1400 {0x5000, 0x56},
1401 {0x5001, 0x01},
1402 {0x5002, 0x28},
1403 {0x5004, 0x0c},
1404 {0x5006, 0x0c},
1405 {0x5007, 0xe0},
1406 {0x5008, 0x01},
1407 {0x5009, 0xb0},
1408 {0x5901, 0x00},
1409 {0x5a01, 0x00},
1410 {0x5a03, 0x00},
1411 {0x5a04, 0x0c},
1412 {0x5a05, 0xe0},
1413 {0x5a06, 0x09},
1414 {0x5a07, 0xb0},
1415 {0x5a08, 0x06},
1416 {0x5e00, 0x00},
1417 {0x3734, 0x40},
1418 {0x5b00, 0x01},
1419 {0x5b01, 0x10},
1420 {0x5b02, 0x01},
1421 {0x5b03, 0xdb},
1422 {0x3d8c, 0x71},
1423 {0x3d8d, 0xea},
1424 {0x4017, 0x10},
1425 {0x3618, 0x2a},
1426 {0x5780, 0x3e},
1427 {0x5781, 0x0f},
1428 {0x5782, 0x44},
1429 {0x5783, 0x02},
1430 {0x5784, 0x01},
1431 {0x5785, 0x01},
1432 {0x5786, 0x00},
1433 {0x5787, 0x04},
1434 {0x5788, 0x02},
1435 {0x5789, 0x0f},
1436 {0x578a, 0xfd},
1437 {0x578b, 0xf5},
1438 {0x578c, 0xf5},
1439 {0x578d, 0x03},
1440 {0x578e, 0x08},
1441 {0x578f, 0x0c},
1442 {0x5790, 0x08},
1443 {0x5791, 0x06},
1444 {0x5792, 0x00},
1445 {0x5793, 0x52},
1446 {0x5794, 0xa3},
1447 {0x3503, 0x00},
1448 {0x5045, 0x05},
1449 {0x4003, 0x40},
1450 {0x5048, 0x40}
1451 };
1452
1453 static const struct ov5670_reg mode_640x360_regs[] = {
1454 {0x3000, 0x00},
1455 {0x3002, 0x21},
1456 {0x3005, 0xf0},
1457 {0x3007, 0x00},
1458 {0x3015, 0x0f},
1459 {0x3018, 0x32},
1460 {0x301a, 0xf0},
1461 {0x301b, 0xf0},
1462 {0x301c, 0xf0},
1463 {0x301d, 0xf0},
1464 {0x301e, 0xf0},
1465 {0x3030, 0x00},
1466 {0x3031, 0x0a},
1467 {0x303c, 0xff},
1468 {0x303e, 0xff},
1469 {0x3040, 0xf0},
1470 {0x3041, 0x00},
1471 {0x3042, 0xf0},
1472 {0x3106, 0x11},
1473 {0x3500, 0x00},
1474 {0x3501, 0x80},
1475 {0x3502, 0x00},
1476 {0x3503, 0x04},
1477 {0x3504, 0x03},
1478 {0x3505, 0x83},
1479 {0x3508, 0x04},
1480 {0x3509, 0x00},
1481 {0x350e, 0x04},
1482 {0x350f, 0x00},
1483 {0x3510, 0x00},
1484 {0x3511, 0x02},
1485 {0x3512, 0x00},
1486 {0x3601, 0xc8},
1487 {0x3610, 0x88},
1488 {0x3612, 0x48},
1489 {0x3614, 0x5b},
1490 {0x3615, 0x96},
1491 {0x3621, 0xd0},
1492 {0x3622, 0x00},
1493 {0x3623, 0x04},
1494 {0x3633, 0x13},
1495 {0x3634, 0x13},
1496 {0x3635, 0x13},
1497 {0x3636, 0x13},
1498 {0x3645, 0x13},
1499 {0x3646, 0x82},
1500 {0x3650, 0x00},
1501 {0x3652, 0xff},
1502 {0x3655, 0x20},
1503 {0x3656, 0xff},
1504 {0x365a, 0xff},
1505 {0x365e, 0xff},
1506 {0x3668, 0x00},
1507 {0x366a, 0x07},
1508 {0x366e, 0x08},
1509 {0x366d, 0x00},
1510 {0x366f, 0x80},
1511 {0x3700, 0x28},
1512 {0x3701, 0x10},
1513 {0x3702, 0x3a},
1514 {0x3703, 0x19},
1515 {0x3704, 0x10},
1516 {0x3705, 0x00},
1517 {0x3706, 0x66},
1518 {0x3707, 0x08},
1519 {0x3708, 0x34},
1520 {0x3709, 0x40},
1521 {0x370a, 0x01},
1522 {0x370b, 0x1b},
1523 {0x3714, 0x24},
1524 {0x371a, 0x3e},
1525 {0x3733, 0x00},
1526 {0x3734, 0x00},
1527 {0x373a, 0x05},
1528 {0x373b, 0x06},
1529 {0x373c, 0x0a},
1530 {0x373f, 0xa0},
1531 {0x3755, 0x00},
1532 {0x3758, 0x00},
1533 {0x375b, 0x0e},
1534 {0x3766, 0x5f},
1535 {0x3768, 0x00},
1536 {0x3769, 0x22},
1537 {0x3773, 0x08},
1538 {0x3774, 0x1f},
1539 {0x3776, 0x06},
1540 {0x37a0, 0x88},
1541 {0x37a1, 0x5c},
1542 {0x37a7, 0x88},
1543 {0x37a8, 0x70},
1544 {0x37aa, 0x88},
1545 {0x37ab, 0x48},
1546 {0x37b3, 0x66},
1547 {0x37c2, 0x04},
1548 {0x37c5, 0x00},
1549 {0x37c8, 0x00},
1550 {0x3800, 0x00},
1551 {0x3801, 0x0c},
1552 {0x3802, 0x00},
1553 {0x3803, 0x04},
1554 {0x3804, 0x0a},
1555 {0x3805, 0x33},
1556 {0x3806, 0x07},
1557 {0x3807, 0xa3},
1558 {0x3808, 0x02},
1559 {0x3809, 0x80},
1560 {0x380a, 0x01},
1561 {0x380b, 0x68},
1562 {0x380c, 0x06},
1563 {0x380d, 0x90},
1564 {0x380e, 0x08},
1565 {0x380f, 0x08},
1566 {0x3811, 0x04},
1567 {0x3813, 0x02},
1568 {0x3814, 0x07},
1569 {0x3815, 0x01},
1570 {0x3816, 0x00},
1571 {0x3817, 0x00},
1572 {0x3818, 0x00},
1573 {0x3819, 0x00},
1574 {0x3820, 0x94},
1575 {0x3821, 0xc6},
1576 {0x3822, 0x48},
1577 {0x3826, 0x00},
1578 {0x3827, 0x08},
1579 {0x382a, 0x07},
1580 {0x382b, 0x01},
1581 {0x3830, 0x08},
1582 {0x3836, 0x02},
1583 {0x3837, 0x00},
1584 {0x3838, 0x10},
1585 {0x3841, 0xff},
1586 {0x3846, 0x48},
1587 {0x3861, 0x00},
1588 {0x3862, 0x04},
1589 {0x3863, 0x06},
1590 {0x3a11, 0x01},
1591 {0x3a12, 0x78},
1592 {0x3b00, 0x00},
1593 {0x3b02, 0x00},
1594 {0x3b03, 0x00},
1595 {0x3b04, 0x00},
1596 {0x3b05, 0x00},
1597 {0x3c00, 0x89},
1598 {0x3c01, 0xab},
1599 {0x3c02, 0x01},
1600 {0x3c03, 0x00},
1601 {0x3c04, 0x00},
1602 {0x3c05, 0x03},
1603 {0x3c06, 0x00},
1604 {0x3c07, 0x05},
1605 {0x3c0c, 0x00},
1606 {0x3c0d, 0x00},
1607 {0x3c0e, 0x00},
1608 {0x3c0f, 0x00},
1609 {0x3c40, 0x00},
1610 {0x3c41, 0xa3},
1611 {0x3c43, 0x7d},
1612 {0x3c45, 0xd7},
1613 {0x3c47, 0xfc},
1614 {0x3c50, 0x05},
1615 {0x3c52, 0xaa},
1616 {0x3c54, 0x71},
1617 {0x3c56, 0x80},
1618 {0x3d85, 0x17},
1619 {0x3f03, 0x00},
1620 {0x3f0a, 0x00},
1621 {0x3f0b, 0x00},
1622 {0x4001, 0x60},
1623 {0x4009, 0x05},
1624 {0x4020, 0x00},
1625 {0x4021, 0x00},
1626 {0x4022, 0x00},
1627 {0x4023, 0x00},
1628 {0x4024, 0x00},
1629 {0x4025, 0x00},
1630 {0x4026, 0x00},
1631 {0x4027, 0x00},
1632 {0x4028, 0x00},
1633 {0x4029, 0x00},
1634 {0x402a, 0x00},
1635 {0x402b, 0x00},
1636 {0x402c, 0x00},
1637 {0x402d, 0x00},
1638 {0x402e, 0x00},
1639 {0x402f, 0x00},
1640 {0x4040, 0x00},
1641 {0x4041, 0x03},
1642 {0x4042, 0x00},
1643 {0x4043, 0x7A},
1644 {0x4044, 0x00},
1645 {0x4045, 0x7A},
1646 {0x4046, 0x00},
1647 {0x4047, 0x7A},
1648 {0x4048, 0x00},
1649 {0x4049, 0x7A},
1650 {0x4307, 0x30},
1651 {0x4500, 0x58},
1652 {0x4501, 0x04},
1653 {0x4502, 0x40},
1654 {0x4503, 0x10},
1655 {0x4508, 0x55},
1656 {0x4509, 0x55},
1657 {0x450a, 0x02},
1658 {0x450b, 0x00},
1659 {0x4600, 0x00},
1660 {0x4601, 0x40},
1661 {0x4700, 0xa4},
1662 {0x4800, 0x4c},
1663 {0x4816, 0x53},
1664 {0x481f, 0x40},
1665 {0x4837, 0x13},
1666 {0x5000, 0x56},
1667 {0x5001, 0x01},
1668 {0x5002, 0x28},
1669 {0x5004, 0x0c},
1670 {0x5006, 0x0c},
1671 {0x5007, 0xe0},
1672 {0x5008, 0x01},
1673 {0x5009, 0xb0},
1674 {0x5901, 0x00},
1675 {0x5a01, 0x00},
1676 {0x5a03, 0x00},
1677 {0x5a04, 0x0c},
1678 {0x5a05, 0xe0},
1679 {0x5a06, 0x09},
1680 {0x5a07, 0xb0},
1681 {0x5a08, 0x06},
1682 {0x5e00, 0x00},
1683 {0x3734, 0x40},
1684 {0x5b00, 0x01},
1685 {0x5b01, 0x10},
1686 {0x5b02, 0x01},
1687 {0x5b03, 0xdb},
1688 {0x3d8c, 0x71},
1689 {0x3d8d, 0xea},
1690 {0x4017, 0x10},
1691 {0x3618, 0x2a},
1692 {0x5780, 0x3e},
1693 {0x5781, 0x0f},
1694 {0x5782, 0x44},
1695 {0x5783, 0x02},
1696 {0x5784, 0x01},
1697 {0x5785, 0x01},
1698 {0x5786, 0x00},
1699 {0x5787, 0x04},
1700 {0x5788, 0x02},
1701 {0x5789, 0x0f},
1702 {0x578a, 0xfd},
1703 {0x578b, 0xf5},
1704 {0x578c, 0xf5},
1705 {0x578d, 0x03},
1706 {0x578e, 0x08},
1707 {0x578f, 0x0c},
1708 {0x5790, 0x08},
1709 {0x5791, 0x06},
1710 {0x5792, 0x00},
1711 {0x5793, 0x52},
1712 {0x5794, 0xa3},
1713 {0x3503, 0x00},
1714 {0x5045, 0x05},
1715 {0x4003, 0x40},
1716 {0x5048, 0x40}
1717 };
1718
1719 static const char * const ov5670_test_pattern_menu[] = {
1720 "Disabled",
1721 "Vertical Color Bar Type 1",
1722 };
1723
1724 /* Supported link frequencies */
1725 #define OV5670_LINK_FREQ_422MHZ 422400000
1726 #define OV5670_LINK_FREQ_422MHZ_INDEX 0
1727 static const struct ov5670_link_freq_config link_freq_configs[] = {
1728 {
1729 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1730 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1731 .reg_list = {
1732 .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1733 .regs = mipi_data_rate_840mbps,
1734 }
1735 }
1736 };
1737
1738 static const s64 link_freq_menu_items[] = {
1739 OV5670_LINK_FREQ_422MHZ
1740 };
1741
1742 /*
1743 * OV5670 sensor supports following resolutions with full FOV:
1744 * 4:3 ==> {2592x1944, 1296x972, 648x486}
1745 * 16:9 ==> {2560x1440, 1280x720, 640x360}
1746 */
1747 static const struct ov5670_mode supported_modes[] = {
1748 {
1749 .width = 2592,
1750 .height = 1944,
1751 .vts_def = OV5670_VTS_30FPS,
1752 .vts_min = OV5670_VTS_30FPS,
1753 .reg_list = {
1754 .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1755 .regs = mode_2592x1944_regs,
1756 },
1757 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1758 },
1759 {
1760 .width = 1296,
1761 .height = 972,
1762 .vts_def = OV5670_VTS_30FPS,
1763 .vts_min = 996,
1764 .reg_list = {
1765 .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1766 .regs = mode_1296x972_regs,
1767 },
1768 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1769 },
1770 {
1771 .width = 648,
1772 .height = 486,
1773 .vts_def = OV5670_VTS_30FPS,
1774 .vts_min = 516,
1775 .reg_list = {
1776 .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1777 .regs = mode_648x486_regs,
1778 },
1779 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1780 },
1781 {
1782 .width = 2560,
1783 .height = 1440,
1784 .vts_def = OV5670_VTS_30FPS,
1785 .vts_min = OV5670_VTS_30FPS,
1786 .reg_list = {
1787 .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1788 .regs = mode_2560x1440_regs,
1789 },
1790 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1791 },
1792 {
1793 .width = 1280,
1794 .height = 720,
1795 .vts_def = OV5670_VTS_30FPS,
1796 .vts_min = 1020,
1797 .reg_list = {
1798 .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1799 .regs = mode_1280x720_regs,
1800 },
1801 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1802 },
1803 {
1804 .width = 640,
1805 .height = 360,
1806 .vts_def = OV5670_VTS_30FPS,
1807 .vts_min = 510,
1808 .reg_list = {
1809 .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1810 .regs = mode_640x360_regs,
1811 },
1812 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1813 }
1814 };
1815
1816 struct ov5670 {
1817 struct v4l2_subdev sd;
1818 struct media_pad pad;
1819
1820 struct v4l2_ctrl_handler ctrl_handler;
1821 /* V4L2 Controls */
1822 struct v4l2_ctrl *link_freq;
1823 struct v4l2_ctrl *pixel_rate;
1824 struct v4l2_ctrl *vblank;
1825 struct v4l2_ctrl *hblank;
1826 struct v4l2_ctrl *exposure;
1827
1828 /* Current mode */
1829 const struct ov5670_mode *cur_mode;
1830
1831 /* To serialize asynchronus callbacks */
1832 struct mutex mutex;
1833
1834 /* Streaming on/off */
1835 bool streaming;
1836 /* True if the device has been identified */
1837 bool identified;
1838 };
1839
1840 #define to_ov5670(_sd) container_of(_sd, struct ov5670, sd)
1841
1842 /* Read registers up to 4 at a time */
ov5670_read_reg(struct ov5670 * ov5670,u16 reg,unsigned int len,u32 * val)1843 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1844 u32 *val)
1845 {
1846 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1847 struct i2c_msg msgs[2];
1848 u8 *data_be_p;
1849 __be32 data_be = 0;
1850 __be16 reg_addr_be = cpu_to_be16(reg);
1851 int ret;
1852
1853 if (len > 4)
1854 return -EINVAL;
1855
1856 data_be_p = (u8 *)&data_be;
1857 /* Write register address */
1858 msgs[0].addr = client->addr;
1859 msgs[0].flags = 0;
1860 msgs[0].len = 2;
1861 msgs[0].buf = (u8 *)®_addr_be;
1862
1863 /* Read data from register */
1864 msgs[1].addr = client->addr;
1865 msgs[1].flags = I2C_M_RD;
1866 msgs[1].len = len;
1867 msgs[1].buf = &data_be_p[4 - len];
1868
1869 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1870 if (ret != ARRAY_SIZE(msgs))
1871 return -EIO;
1872
1873 *val = be32_to_cpu(data_be);
1874
1875 return 0;
1876 }
1877
1878 /* Write registers up to 4 at a time */
ov5670_write_reg(struct ov5670 * ov5670,u16 reg,unsigned int len,u32 val)1879 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1880 u32 val)
1881 {
1882 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1883 int buf_i;
1884 int val_i;
1885 u8 buf[6];
1886 u8 *val_p;
1887 __be32 tmp;
1888
1889 if (len > 4)
1890 return -EINVAL;
1891
1892 buf[0] = reg >> 8;
1893 buf[1] = reg & 0xff;
1894
1895 tmp = cpu_to_be32(val);
1896 val_p = (u8 *)&tmp;
1897 buf_i = 2;
1898 val_i = 4 - len;
1899
1900 while (val_i < 4)
1901 buf[buf_i++] = val_p[val_i++];
1902
1903 if (i2c_master_send(client, buf, len + 2) != len + 2)
1904 return -EIO;
1905
1906 return 0;
1907 }
1908
1909 /* Write a list of registers */
ov5670_write_regs(struct ov5670 * ov5670,const struct ov5670_reg * regs,unsigned int len)1910 static int ov5670_write_regs(struct ov5670 *ov5670,
1911 const struct ov5670_reg *regs, unsigned int len)
1912 {
1913 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1914 unsigned int i;
1915 int ret;
1916
1917 for (i = 0; i < len; i++) {
1918 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1919 if (ret) {
1920 dev_err_ratelimited(
1921 &client->dev,
1922 "Failed to write reg 0x%4.4x. error = %d\n",
1923 regs[i].address, ret);
1924
1925 return ret;
1926 }
1927 }
1928
1929 return 0;
1930 }
1931
ov5670_write_reg_list(struct ov5670 * ov5670,const struct ov5670_reg_list * r_list)1932 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1933 const struct ov5670_reg_list *r_list)
1934 {
1935 return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1936 }
1937
1938 /* Open sub-device */
ov5670_open(struct v4l2_subdev * sd,struct v4l2_subdev_fh * fh)1939 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1940 {
1941 struct ov5670 *ov5670 = to_ov5670(sd);
1942 struct v4l2_mbus_framefmt *try_fmt =
1943 v4l2_subdev_get_try_format(sd, fh->state, 0);
1944
1945 mutex_lock(&ov5670->mutex);
1946
1947 /* Initialize try_fmt */
1948 try_fmt->width = ov5670->cur_mode->width;
1949 try_fmt->height = ov5670->cur_mode->height;
1950 try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1951 try_fmt->field = V4L2_FIELD_NONE;
1952
1953 /* No crop or compose */
1954 mutex_unlock(&ov5670->mutex);
1955
1956 return 0;
1957 }
1958
ov5670_update_digital_gain(struct ov5670 * ov5670,u32 d_gain)1959 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1960 {
1961 int ret;
1962
1963 ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1964 OV5670_REG_VALUE_16BIT, d_gain);
1965 if (ret)
1966 return ret;
1967
1968 ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1969 OV5670_REG_VALUE_16BIT, d_gain);
1970 if (ret)
1971 return ret;
1972
1973 return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1974 OV5670_REG_VALUE_16BIT, d_gain);
1975 }
1976
ov5670_enable_test_pattern(struct ov5670 * ov5670,u32 pattern)1977 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1978 {
1979 u32 val;
1980 int ret;
1981
1982 /* Set the bayer order that we support */
1983 ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1984 OV5670_REG_VALUE_08BIT, 0);
1985 if (ret)
1986 return ret;
1987
1988 ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1989 OV5670_REG_VALUE_08BIT, &val);
1990 if (ret)
1991 return ret;
1992
1993 if (pattern)
1994 val |= OV5670_TEST_PATTERN_ENABLE;
1995 else
1996 val &= ~OV5670_TEST_PATTERN_ENABLE;
1997
1998 return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1999 OV5670_REG_VALUE_08BIT, val);
2000 }
2001
2002 /* Initialize control handlers */
ov5670_set_ctrl(struct v4l2_ctrl * ctrl)2003 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2004 {
2005 struct ov5670 *ov5670 = container_of(ctrl->handler,
2006 struct ov5670, ctrl_handler);
2007 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2008 s64 max;
2009 int ret = 0;
2010
2011 /* Propagate change of current control to all related controls */
2012 switch (ctrl->id) {
2013 case V4L2_CID_VBLANK:
2014 /* Update max exposure while meeting expected vblanking */
2015 max = ov5670->cur_mode->height + ctrl->val - 8;
2016 __v4l2_ctrl_modify_range(ov5670->exposure,
2017 ov5670->exposure->minimum, max,
2018 ov5670->exposure->step, max);
2019 break;
2020 }
2021
2022 /* V4L2 controls values will be applied only when power is already up */
2023 if (!pm_runtime_get_if_in_use(&client->dev))
2024 return 0;
2025
2026 switch (ctrl->id) {
2027 case V4L2_CID_ANALOGUE_GAIN:
2028 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2029 OV5670_REG_VALUE_16BIT, ctrl->val);
2030 break;
2031 case V4L2_CID_DIGITAL_GAIN:
2032 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2033 break;
2034 case V4L2_CID_EXPOSURE:
2035 /* 4 least significant bits of expsoure are fractional part */
2036 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2037 OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2038 break;
2039 case V4L2_CID_VBLANK:
2040 /* Update VTS that meets expected vertical blanking */
2041 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2042 OV5670_REG_VALUE_16BIT,
2043 ov5670->cur_mode->height + ctrl->val);
2044 break;
2045 case V4L2_CID_TEST_PATTERN:
2046 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2047 break;
2048 default:
2049 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2050 __func__, ctrl->id, ctrl->val);
2051 break;
2052 }
2053
2054 pm_runtime_put(&client->dev);
2055
2056 return ret;
2057 }
2058
2059 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2060 .s_ctrl = ov5670_set_ctrl,
2061 };
2062
2063 /* Initialize control handlers */
ov5670_init_controls(struct ov5670 * ov5670)2064 static int ov5670_init_controls(struct ov5670 *ov5670)
2065 {
2066 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2067 struct v4l2_fwnode_device_properties props;
2068 struct v4l2_ctrl_handler *ctrl_hdlr;
2069 s64 vblank_max;
2070 s64 vblank_def;
2071 s64 vblank_min;
2072 s64 exposure_max;
2073 int ret;
2074
2075 ctrl_hdlr = &ov5670->ctrl_handler;
2076 ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2077 if (ret)
2078 return ret;
2079
2080 ctrl_hdlr->lock = &ov5670->mutex;
2081 ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2082 &ov5670_ctrl_ops,
2083 V4L2_CID_LINK_FREQ,
2084 0, 0, link_freq_menu_items);
2085 if (ov5670->link_freq)
2086 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2087
2088 /* By default, V4L2_CID_PIXEL_RATE is read only */
2089 ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2090 V4L2_CID_PIXEL_RATE,
2091 link_freq_configs[0].pixel_rate,
2092 link_freq_configs[0].pixel_rate,
2093 1,
2094 link_freq_configs[0].pixel_rate);
2095
2096 vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2097 vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2098 vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2099 ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2100 V4L2_CID_VBLANK, vblank_min,
2101 vblank_max, 1, vblank_def);
2102
2103 ov5670->hblank = v4l2_ctrl_new_std(
2104 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2105 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2106 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2107 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2108 if (ov5670->hblank)
2109 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2110
2111 /* Get min, max, step, default from sensor */
2112 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2113 ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2114 ANALOG_GAIN_DEFAULT);
2115
2116 /* Digital gain */
2117 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2118 OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2119 OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2120
2121 /* Get min, max, step, default from sensor */
2122 exposure_max = ov5670->cur_mode->vts_def - 8;
2123 ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2124 V4L2_CID_EXPOSURE,
2125 OV5670_EXPOSURE_MIN,
2126 exposure_max, OV5670_EXPOSURE_STEP,
2127 exposure_max);
2128
2129 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2130 V4L2_CID_TEST_PATTERN,
2131 ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2132 0, 0, ov5670_test_pattern_menu);
2133
2134 if (ctrl_hdlr->error) {
2135 ret = ctrl_hdlr->error;
2136 goto error;
2137 }
2138
2139 ret = v4l2_fwnode_device_parse(&client->dev, &props);
2140 if (ret)
2141 goto error;
2142
2143 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2144 &props);
2145 if (ret)
2146 goto error;
2147
2148 ov5670->sd.ctrl_handler = ctrl_hdlr;
2149
2150 return 0;
2151
2152 error:
2153 v4l2_ctrl_handler_free(ctrl_hdlr);
2154
2155 return ret;
2156 }
2157
ov5670_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)2158 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2159 struct v4l2_subdev_state *sd_state,
2160 struct v4l2_subdev_mbus_code_enum *code)
2161 {
2162 /* Only one bayer order GRBG is supported */
2163 if (code->index > 0)
2164 return -EINVAL;
2165
2166 code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2167
2168 return 0;
2169 }
2170
ov5670_enum_frame_size(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_frame_size_enum * fse)2171 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2172 struct v4l2_subdev_state *sd_state,
2173 struct v4l2_subdev_frame_size_enum *fse)
2174 {
2175 if (fse->index >= ARRAY_SIZE(supported_modes))
2176 return -EINVAL;
2177
2178 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2179 return -EINVAL;
2180
2181 fse->min_width = supported_modes[fse->index].width;
2182 fse->max_width = fse->min_width;
2183 fse->min_height = supported_modes[fse->index].height;
2184 fse->max_height = fse->min_height;
2185
2186 return 0;
2187 }
2188
ov5670_update_pad_format(const struct ov5670_mode * mode,struct v4l2_subdev_format * fmt)2189 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2190 struct v4l2_subdev_format *fmt)
2191 {
2192 fmt->format.width = mode->width;
2193 fmt->format.height = mode->height;
2194 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2195 fmt->format.field = V4L2_FIELD_NONE;
2196 }
2197
ov5670_do_get_pad_format(struct ov5670 * ov5670,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2198 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2199 struct v4l2_subdev_state *sd_state,
2200 struct v4l2_subdev_format *fmt)
2201 {
2202 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2203 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd,
2204 sd_state,
2205 fmt->pad);
2206 else
2207 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2208
2209 return 0;
2210 }
2211
ov5670_get_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2212 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2213 struct v4l2_subdev_state *sd_state,
2214 struct v4l2_subdev_format *fmt)
2215 {
2216 struct ov5670 *ov5670 = to_ov5670(sd);
2217 int ret;
2218
2219 mutex_lock(&ov5670->mutex);
2220 ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt);
2221 mutex_unlock(&ov5670->mutex);
2222
2223 return ret;
2224 }
2225
ov5670_set_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2226 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2227 struct v4l2_subdev_state *sd_state,
2228 struct v4l2_subdev_format *fmt)
2229 {
2230 struct ov5670 *ov5670 = to_ov5670(sd);
2231 const struct ov5670_mode *mode;
2232 s32 vblank_def;
2233 s32 h_blank;
2234
2235 mutex_lock(&ov5670->mutex);
2236
2237 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2238
2239 mode = v4l2_find_nearest_size(supported_modes,
2240 ARRAY_SIZE(supported_modes),
2241 width, height,
2242 fmt->format.width, fmt->format.height);
2243 ov5670_update_pad_format(mode, fmt);
2244 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2245 *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
2246 } else {
2247 ov5670->cur_mode = mode;
2248 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2249 __v4l2_ctrl_s_ctrl_int64(
2250 ov5670->pixel_rate,
2251 link_freq_configs[mode->link_freq_index].pixel_rate);
2252 /* Update limits and set FPS to default */
2253 vblank_def = ov5670->cur_mode->vts_def -
2254 ov5670->cur_mode->height;
2255 __v4l2_ctrl_modify_range(
2256 ov5670->vblank,
2257 ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2258 OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2259 vblank_def);
2260 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2261 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2262 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2263 h_blank);
2264 }
2265
2266 mutex_unlock(&ov5670->mutex);
2267
2268 return 0;
2269 }
2270
ov5670_get_skip_frames(struct v4l2_subdev * sd,u32 * frames)2271 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2272 {
2273 *frames = OV5670_NUM_OF_SKIP_FRAMES;
2274
2275 return 0;
2276 }
2277
2278 /* Verify chip ID */
ov5670_identify_module(struct ov5670 * ov5670)2279 static int ov5670_identify_module(struct ov5670 *ov5670)
2280 {
2281 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2282 int ret;
2283 u32 val;
2284
2285 if (ov5670->identified)
2286 return 0;
2287
2288 ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2289 OV5670_REG_VALUE_24BIT, &val);
2290 if (ret)
2291 return ret;
2292
2293 if (val != OV5670_CHIP_ID) {
2294 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2295 OV5670_CHIP_ID, val);
2296 return -ENXIO;
2297 }
2298
2299 ov5670->identified = true;
2300
2301 return 0;
2302 }
2303
2304 /* Prepare streaming by writing default values and customized values */
ov5670_start_streaming(struct ov5670 * ov5670)2305 static int ov5670_start_streaming(struct ov5670 *ov5670)
2306 {
2307 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2308 const struct ov5670_reg_list *reg_list;
2309 int link_freq_index;
2310 int ret;
2311
2312 ret = ov5670_identify_module(ov5670);
2313 if (ret)
2314 return ret;
2315
2316 /* Get out of from software reset */
2317 ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2318 OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2319 if (ret) {
2320 dev_err(&client->dev, "%s failed to set powerup registers\n",
2321 __func__);
2322 return ret;
2323 }
2324
2325 /* Setup PLL */
2326 link_freq_index = ov5670->cur_mode->link_freq_index;
2327 reg_list = &link_freq_configs[link_freq_index].reg_list;
2328 ret = ov5670_write_reg_list(ov5670, reg_list);
2329 if (ret) {
2330 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2331 return ret;
2332 }
2333
2334 /* Apply default values of current mode */
2335 reg_list = &ov5670->cur_mode->reg_list;
2336 ret = ov5670_write_reg_list(ov5670, reg_list);
2337 if (ret) {
2338 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2339 return ret;
2340 }
2341
2342 ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2343 if (ret)
2344 return ret;
2345
2346 /* Write stream on list */
2347 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2348 OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2349 if (ret) {
2350 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2351 return ret;
2352 }
2353
2354 return 0;
2355 }
2356
ov5670_stop_streaming(struct ov5670 * ov5670)2357 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2358 {
2359 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2360 int ret;
2361
2362 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2363 OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2364 if (ret)
2365 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2366
2367 /* Return success even if it was an error, as there is nothing the
2368 * caller can do about it.
2369 */
2370 return 0;
2371 }
2372
ov5670_set_stream(struct v4l2_subdev * sd,int enable)2373 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2374 {
2375 struct ov5670 *ov5670 = to_ov5670(sd);
2376 struct i2c_client *client = v4l2_get_subdevdata(sd);
2377 int ret = 0;
2378
2379 mutex_lock(&ov5670->mutex);
2380 if (ov5670->streaming == enable)
2381 goto unlock_and_return;
2382
2383 if (enable) {
2384 ret = pm_runtime_resume_and_get(&client->dev);
2385 if (ret < 0)
2386 goto unlock_and_return;
2387
2388 ret = ov5670_start_streaming(ov5670);
2389 if (ret)
2390 goto error;
2391 } else {
2392 ret = ov5670_stop_streaming(ov5670);
2393 pm_runtime_put(&client->dev);
2394 }
2395 ov5670->streaming = enable;
2396 goto unlock_and_return;
2397
2398 error:
2399 pm_runtime_put(&client->dev);
2400
2401 unlock_and_return:
2402 mutex_unlock(&ov5670->mutex);
2403
2404 return ret;
2405 }
2406
ov5670_suspend(struct device * dev)2407 static int __maybe_unused ov5670_suspend(struct device *dev)
2408 {
2409 struct v4l2_subdev *sd = dev_get_drvdata(dev);
2410 struct ov5670 *ov5670 = to_ov5670(sd);
2411
2412 if (ov5670->streaming)
2413 ov5670_stop_streaming(ov5670);
2414
2415 return 0;
2416 }
2417
ov5670_resume(struct device * dev)2418 static int __maybe_unused ov5670_resume(struct device *dev)
2419 {
2420 struct v4l2_subdev *sd = dev_get_drvdata(dev);
2421 struct ov5670 *ov5670 = to_ov5670(sd);
2422 int ret;
2423
2424 if (ov5670->streaming) {
2425 ret = ov5670_start_streaming(ov5670);
2426 if (ret) {
2427 ov5670_stop_streaming(ov5670);
2428 return ret;
2429 }
2430 }
2431
2432 return 0;
2433 }
2434
2435 static const struct v4l2_subdev_core_ops ov5670_core_ops = {
2436 .log_status = v4l2_ctrl_subdev_log_status,
2437 .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
2438 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
2439 };
2440
2441 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2442 .s_stream = ov5670_set_stream,
2443 };
2444
2445 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2446 .enum_mbus_code = ov5670_enum_mbus_code,
2447 .get_fmt = ov5670_get_pad_format,
2448 .set_fmt = ov5670_set_pad_format,
2449 .enum_frame_size = ov5670_enum_frame_size,
2450 };
2451
2452 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2453 .g_skip_frames = ov5670_get_skip_frames,
2454 };
2455
2456 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2457 .core = &ov5670_core_ops,
2458 .video = &ov5670_video_ops,
2459 .pad = &ov5670_pad_ops,
2460 .sensor = &ov5670_sensor_ops,
2461 };
2462
2463 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2464 .link_validate = v4l2_subdev_link_validate,
2465 };
2466
2467 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2468 .open = ov5670_open,
2469 };
2470
ov5670_probe(struct i2c_client * client)2471 static int ov5670_probe(struct i2c_client *client)
2472 {
2473 struct ov5670 *ov5670;
2474 const char *err_msg;
2475 u32 input_clk = 0;
2476 bool full_power;
2477 int ret;
2478
2479 device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2480 if (input_clk != 19200000)
2481 return -EINVAL;
2482
2483 ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2484 if (!ov5670) {
2485 ret = -ENOMEM;
2486 err_msg = "devm_kzalloc() error";
2487 goto error_print;
2488 }
2489
2490 /* Initialize subdev */
2491 v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2492
2493 full_power = acpi_dev_state_d0(&client->dev);
2494 if (full_power) {
2495 /* Check module identity */
2496 ret = ov5670_identify_module(ov5670);
2497 if (ret) {
2498 err_msg = "ov5670_identify_module() error";
2499 goto error_print;
2500 }
2501 }
2502
2503 mutex_init(&ov5670->mutex);
2504
2505 /* Set default mode to max resolution */
2506 ov5670->cur_mode = &supported_modes[0];
2507
2508 ret = ov5670_init_controls(ov5670);
2509 if (ret) {
2510 err_msg = "ov5670_init_controls() error";
2511 goto error_mutex_destroy;
2512 }
2513
2514 ov5670->sd.internal_ops = &ov5670_internal_ops;
2515 ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
2516 V4L2_SUBDEV_FL_HAS_EVENTS;
2517 ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2518 ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2519
2520 /* Source pad initialization */
2521 ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2522 ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2523 if (ret) {
2524 err_msg = "media_entity_pads_init() error";
2525 goto error_handler_free;
2526 }
2527
2528 /* Async register for subdev */
2529 ret = v4l2_async_register_subdev_sensor(&ov5670->sd);
2530 if (ret < 0) {
2531 err_msg = "v4l2_async_register_subdev() error";
2532 goto error_entity_cleanup;
2533 }
2534
2535 ov5670->streaming = false;
2536
2537 /* Set the device's state to active if it's in D0 state. */
2538 if (full_power)
2539 pm_runtime_set_active(&client->dev);
2540 pm_runtime_enable(&client->dev);
2541 pm_runtime_idle(&client->dev);
2542
2543 return 0;
2544
2545 error_entity_cleanup:
2546 media_entity_cleanup(&ov5670->sd.entity);
2547
2548 error_handler_free:
2549 v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2550
2551 error_mutex_destroy:
2552 mutex_destroy(&ov5670->mutex);
2553
2554 error_print:
2555 dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2556
2557 return ret;
2558 }
2559
ov5670_remove(struct i2c_client * client)2560 static void ov5670_remove(struct i2c_client *client)
2561 {
2562 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2563 struct ov5670 *ov5670 = to_ov5670(sd);
2564
2565 v4l2_async_unregister_subdev(sd);
2566 media_entity_cleanup(&sd->entity);
2567 v4l2_ctrl_handler_free(sd->ctrl_handler);
2568 mutex_destroy(&ov5670->mutex);
2569
2570 pm_runtime_disable(&client->dev);
2571 }
2572
2573 static const struct dev_pm_ops ov5670_pm_ops = {
2574 SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2575 };
2576
2577 #ifdef CONFIG_ACPI
2578 static const struct acpi_device_id ov5670_acpi_ids[] = {
2579 { "INT3479" },
2580 { /* sentinel */ }
2581 };
2582
2583 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2584 #endif
2585
2586 static struct i2c_driver ov5670_i2c_driver = {
2587 .driver = {
2588 .name = "ov5670",
2589 .pm = &ov5670_pm_ops,
2590 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2591 },
2592 .probe_new = ov5670_probe,
2593 .remove = ov5670_remove,
2594 .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE,
2595 };
2596
2597 module_i2c_driver(ov5670_i2c_driver);
2598
2599 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2600 MODULE_AUTHOR("Yang, Hyungwoo");
2601 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2602 MODULE_LICENSE("GPL v2");
2603