1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Intel Corporation.
3
4 #include <asm/unaligned.h>
5 #include <linux/acpi.h>
6 #include <linux/clk.h>
7 #include <linux/delay.h>
8 #include <linux/gpio/consumer.h>
9 #include <linux/i2c.h>
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/of.h>
13 #include <linux/pm_runtime.h>
14 #include <linux/regulator/consumer.h>
15 #include <media/v4l2-ctrls.h>
16 #include <media/v4l2-device.h>
17 #include <media/v4l2-event.h>
18 #include <media/v4l2-fwnode.h>
19
20 #define OV5670_XVCLK_FREQ 19200000
21
22 #define OV5670_REG_CHIP_ID 0x300a
23 #define OV5670_CHIP_ID 0x005670
24
25 #define OV5670_REG_MODE_SELECT 0x0100
26 #define OV5670_MODE_STANDBY 0x00
27 #define OV5670_MODE_STREAMING 0x01
28
29 #define OV5670_REG_SOFTWARE_RST 0x0103
30 #define OV5670_SOFTWARE_RST 0x01
31
32 /* vertical-timings from sensor */
33 #define OV5670_REG_VTS 0x380e
34 #define OV5670_VTS_30FPS 0x0808 /* default for 30 fps */
35 #define OV5670_VTS_MAX 0xffff
36
37 /* horizontal-timings from sensor */
38 #define OV5670_REG_HTS 0x380c
39
40 /*
41 * Pixels-per-line(PPL) = Time-per-line * pixel-rate
42 * In OV5670, Time-per-line = HTS/SCLK.
43 * HTS is fixed for all resolutions, not recommended to change.
44 */
45 #define OV5670_FIXED_PPL 2724 /* Pixels per line */
46
47 /* Exposure controls from sensor */
48 #define OV5670_REG_EXPOSURE 0x3500
49 #define OV5670_EXPOSURE_MIN 4
50 #define OV5670_EXPOSURE_STEP 1
51
52 /* Analog gain controls from sensor */
53 #define OV5670_REG_ANALOG_GAIN 0x3508
54 #define ANALOG_GAIN_MIN 0
55 #define ANALOG_GAIN_MAX 8191
56 #define ANALOG_GAIN_STEP 1
57 #define ANALOG_GAIN_DEFAULT 128
58
59 /* Digital gain controls from sensor */
60 #define OV5670_REG_R_DGTL_GAIN 0x5032
61 #define OV5670_REG_G_DGTL_GAIN 0x5034
62 #define OV5670_REG_B_DGTL_GAIN 0x5036
63 #define OV5670_DGTL_GAIN_MIN 0
64 #define OV5670_DGTL_GAIN_MAX 4095
65 #define OV5670_DGTL_GAIN_STEP 1
66 #define OV5670_DGTL_GAIN_DEFAULT 1024
67
68 /* Test Pattern Control */
69 #define OV5670_REG_TEST_PATTERN 0x4303
70 #define OV5670_TEST_PATTERN_ENABLE BIT(3)
71 #define OV5670_REG_TEST_PATTERN_CTRL 0x4320
72
73 #define OV5670_REG_VALUE_08BIT 1
74 #define OV5670_REG_VALUE_16BIT 2
75 #define OV5670_REG_VALUE_24BIT 3
76
77 /* Pixel Array */
78 #define OV5670_NATIVE_WIDTH 2624
79 #define OV5670_NATIVE_HEIGHT 1980
80
81 /* Initial number of frames to skip to avoid possible garbage */
82 #define OV5670_NUM_OF_SKIP_FRAMES 2
83
84 struct ov5670_reg {
85 u16 address;
86 u8 val;
87 };
88
89 struct ov5670_reg_list {
90 u32 num_of_regs;
91 const struct ov5670_reg *regs;
92 };
93
94 struct ov5670_link_freq_config {
95 u32 pixel_rate;
96 const struct ov5670_reg_list reg_list;
97 };
98
99 static const char * const ov5670_supply_names[] = {
100 "avdd", /* Analog power */
101 "dvdd", /* Digital power */
102 "dovdd", /* Digital output power */
103 };
104
105 #define OV5670_NUM_SUPPLIES ARRAY_SIZE(ov5670_supply_names)
106
107 struct ov5670_mode {
108 /* Frame width in pixels */
109 u32 width;
110
111 /* Frame height in pixels */
112 u32 height;
113
114 /* Default vertical timining size */
115 u32 vts_def;
116
117 /* Min vertical timining size */
118 u32 vts_min;
119
120 /* Link frequency needed for this resolution */
121 u32 link_freq_index;
122
123 /* Analog crop rectangle */
124 const struct v4l2_rect *analog_crop;
125
126 /* Sensor register settings for this resolution */
127 const struct ov5670_reg_list reg_list;
128 };
129
130 /*
131 * All the modes supported by the driver are obtained by subsampling the
132 * full pixel array. The below values are reflected in registers from
133 * 0x3800-0x3807 in the modes register-value tables.
134 */
135 static const struct v4l2_rect ov5670_analog_crop = {
136 .left = 12,
137 .top = 4,
138 .width = 2600,
139 .height = 1952,
140 };
141
142 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
143 {0x0300, 0x04},
144 {0x0301, 0x00},
145 {0x0302, 0x84},
146 {0x0303, 0x00},
147 {0x0304, 0x03},
148 {0x0305, 0x01},
149 {0x0306, 0x01},
150 {0x030a, 0x00},
151 {0x030b, 0x00},
152 {0x030c, 0x00},
153 {0x030d, 0x26},
154 {0x030e, 0x00},
155 {0x030f, 0x06},
156 {0x0312, 0x01},
157 {0x3031, 0x0a},
158 };
159
160 static const struct ov5670_reg mode_2592x1944_regs[] = {
161 {0x3000, 0x00},
162 {0x3002, 0x21},
163 {0x3005, 0xf0},
164 {0x3007, 0x00},
165 {0x3015, 0x0f},
166 {0x3018, 0x32},
167 {0x301a, 0xf0},
168 {0x301b, 0xf0},
169 {0x301c, 0xf0},
170 {0x301d, 0xf0},
171 {0x301e, 0xf0},
172 {0x3030, 0x00},
173 {0x3031, 0x0a},
174 {0x303c, 0xff},
175 {0x303e, 0xff},
176 {0x3040, 0xf0},
177 {0x3041, 0x00},
178 {0x3042, 0xf0},
179 {0x3106, 0x11},
180 {0x3500, 0x00},
181 {0x3501, 0x80},
182 {0x3502, 0x00},
183 {0x3503, 0x04},
184 {0x3504, 0x03},
185 {0x3505, 0x83},
186 {0x3508, 0x04},
187 {0x3509, 0x00},
188 {0x350e, 0x04},
189 {0x350f, 0x00},
190 {0x3510, 0x00},
191 {0x3511, 0x02},
192 {0x3512, 0x00},
193 {0x3601, 0xc8},
194 {0x3610, 0x88},
195 {0x3612, 0x48},
196 {0x3614, 0x5b},
197 {0x3615, 0x96},
198 {0x3621, 0xd0},
199 {0x3622, 0x00},
200 {0x3623, 0x00},
201 {0x3633, 0x13},
202 {0x3634, 0x13},
203 {0x3635, 0x13},
204 {0x3636, 0x13},
205 {0x3645, 0x13},
206 {0x3646, 0x82},
207 {0x3650, 0x00},
208 {0x3652, 0xff},
209 {0x3655, 0x20},
210 {0x3656, 0xff},
211 {0x365a, 0xff},
212 {0x365e, 0xff},
213 {0x3668, 0x00},
214 {0x366a, 0x07},
215 {0x366e, 0x10},
216 {0x366d, 0x00},
217 {0x366f, 0x80},
218 {0x3700, 0x28},
219 {0x3701, 0x10},
220 {0x3702, 0x3a},
221 {0x3703, 0x19},
222 {0x3704, 0x10},
223 {0x3705, 0x00},
224 {0x3706, 0x66},
225 {0x3707, 0x08},
226 {0x3708, 0x34},
227 {0x3709, 0x40},
228 {0x370a, 0x01},
229 {0x370b, 0x1b},
230 {0x3714, 0x24},
231 {0x371a, 0x3e},
232 {0x3733, 0x00},
233 {0x3734, 0x00},
234 {0x373a, 0x05},
235 {0x373b, 0x06},
236 {0x373c, 0x0a},
237 {0x373f, 0xa0},
238 {0x3755, 0x00},
239 {0x3758, 0x00},
240 {0x375b, 0x0e},
241 {0x3766, 0x5f},
242 {0x3768, 0x00},
243 {0x3769, 0x22},
244 {0x3773, 0x08},
245 {0x3774, 0x1f},
246 {0x3776, 0x06},
247 {0x37a0, 0x88},
248 {0x37a1, 0x5c},
249 {0x37a7, 0x88},
250 {0x37a8, 0x70},
251 {0x37aa, 0x88},
252 {0x37ab, 0x48},
253 {0x37b3, 0x66},
254 {0x37c2, 0x04},
255 {0x37c5, 0x00},
256 {0x37c8, 0x00},
257 {0x3800, 0x00},
258 {0x3801, 0x0c},
259 {0x3802, 0x00},
260 {0x3803, 0x04},
261 {0x3804, 0x0a},
262 {0x3805, 0x33},
263 {0x3806, 0x07},
264 {0x3807, 0xa3},
265 {0x3808, 0x0a},
266 {0x3809, 0x20},
267 {0x380a, 0x07},
268 {0x380b, 0x98},
269 {0x380c, 0x06},
270 {0x380d, 0x90},
271 {0x380e, 0x08},
272 {0x380f, 0x08},
273 {0x3811, 0x04},
274 {0x3813, 0x02},
275 {0x3814, 0x01},
276 {0x3815, 0x01},
277 {0x3816, 0x00},
278 {0x3817, 0x00},
279 {0x3818, 0x00},
280 {0x3819, 0x00},
281 {0x3820, 0x84},
282 {0x3821, 0x46},
283 {0x3822, 0x48},
284 {0x3826, 0x00},
285 {0x3827, 0x08},
286 {0x382a, 0x01},
287 {0x382b, 0x01},
288 {0x3830, 0x08},
289 {0x3836, 0x02},
290 {0x3837, 0x00},
291 {0x3838, 0x10},
292 {0x3841, 0xff},
293 {0x3846, 0x48},
294 {0x3861, 0x00},
295 {0x3862, 0x04},
296 {0x3863, 0x06},
297 {0x3a11, 0x01},
298 {0x3a12, 0x78},
299 {0x3b00, 0x00},
300 {0x3b02, 0x00},
301 {0x3b03, 0x00},
302 {0x3b04, 0x00},
303 {0x3b05, 0x00},
304 {0x3c00, 0x89},
305 {0x3c01, 0xab},
306 {0x3c02, 0x01},
307 {0x3c03, 0x00},
308 {0x3c04, 0x00},
309 {0x3c05, 0x03},
310 {0x3c06, 0x00},
311 {0x3c07, 0x05},
312 {0x3c0c, 0x00},
313 {0x3c0d, 0x00},
314 {0x3c0e, 0x00},
315 {0x3c0f, 0x00},
316 {0x3c40, 0x00},
317 {0x3c41, 0xa3},
318 {0x3c43, 0x7d},
319 {0x3c45, 0xd7},
320 {0x3c47, 0xfc},
321 {0x3c50, 0x05},
322 {0x3c52, 0xaa},
323 {0x3c54, 0x71},
324 {0x3c56, 0x80},
325 {0x3d85, 0x17},
326 {0x3f03, 0x00},
327 {0x3f0a, 0x00},
328 {0x3f0b, 0x00},
329 {0x4001, 0x60},
330 {0x4009, 0x0d},
331 {0x4020, 0x00},
332 {0x4021, 0x00},
333 {0x4022, 0x00},
334 {0x4023, 0x00},
335 {0x4024, 0x00},
336 {0x4025, 0x00},
337 {0x4026, 0x00},
338 {0x4027, 0x00},
339 {0x4028, 0x00},
340 {0x4029, 0x00},
341 {0x402a, 0x00},
342 {0x402b, 0x00},
343 {0x402c, 0x00},
344 {0x402d, 0x00},
345 {0x402e, 0x00},
346 {0x402f, 0x00},
347 {0x4040, 0x00},
348 {0x4041, 0x03},
349 {0x4042, 0x00},
350 {0x4043, 0x7A},
351 {0x4044, 0x00},
352 {0x4045, 0x7A},
353 {0x4046, 0x00},
354 {0x4047, 0x7A},
355 {0x4048, 0x00},
356 {0x4049, 0x7A},
357 {0x4307, 0x30},
358 {0x4500, 0x58},
359 {0x4501, 0x04},
360 {0x4502, 0x40},
361 {0x4503, 0x10},
362 {0x4508, 0xaa},
363 {0x4509, 0xaa},
364 {0x450a, 0x00},
365 {0x450b, 0x00},
366 {0x4600, 0x01},
367 {0x4601, 0x03},
368 {0x4700, 0xa4},
369 {0x4800, 0x4c},
370 {0x4816, 0x53},
371 {0x481f, 0x40},
372 {0x4837, 0x13},
373 {0x5000, 0x56},
374 {0x5001, 0x01},
375 {0x5002, 0x28},
376 {0x5004, 0x0c},
377 {0x5006, 0x0c},
378 {0x5007, 0xe0},
379 {0x5008, 0x01},
380 {0x5009, 0xb0},
381 {0x5901, 0x00},
382 {0x5a01, 0x00},
383 {0x5a03, 0x00},
384 {0x5a04, 0x0c},
385 {0x5a05, 0xe0},
386 {0x5a06, 0x09},
387 {0x5a07, 0xb0},
388 {0x5a08, 0x06},
389 {0x5e00, 0x00},
390 {0x3734, 0x40},
391 {0x5b00, 0x01},
392 {0x5b01, 0x10},
393 {0x5b02, 0x01},
394 {0x5b03, 0xdb},
395 {0x3d8c, 0x71},
396 {0x3d8d, 0xea},
397 {0x4017, 0x08},
398 {0x3618, 0x2a},
399 {0x5780, 0x3e},
400 {0x5781, 0x0f},
401 {0x5782, 0x44},
402 {0x5783, 0x02},
403 {0x5784, 0x01},
404 {0x5785, 0x01},
405 {0x5786, 0x00},
406 {0x5787, 0x04},
407 {0x5788, 0x02},
408 {0x5789, 0x0f},
409 {0x578a, 0xfd},
410 {0x578b, 0xf5},
411 {0x578c, 0xf5},
412 {0x578d, 0x03},
413 {0x578e, 0x08},
414 {0x578f, 0x0c},
415 {0x5790, 0x08},
416 {0x5791, 0x06},
417 {0x5792, 0x00},
418 {0x5793, 0x52},
419 {0x5794, 0xa3},
420 {0x3503, 0x00},
421 {0x5045, 0x05},
422 {0x4003, 0x40},
423 {0x5048, 0x40}
424 };
425
426 static const struct ov5670_reg mode_1296x972_regs[] = {
427 {0x3000, 0x00},
428 {0x3002, 0x21},
429 {0x3005, 0xf0},
430 {0x3007, 0x00},
431 {0x3015, 0x0f},
432 {0x3018, 0x32},
433 {0x301a, 0xf0},
434 {0x301b, 0xf0},
435 {0x301c, 0xf0},
436 {0x301d, 0xf0},
437 {0x301e, 0xf0},
438 {0x3030, 0x00},
439 {0x3031, 0x0a},
440 {0x303c, 0xff},
441 {0x303e, 0xff},
442 {0x3040, 0xf0},
443 {0x3041, 0x00},
444 {0x3042, 0xf0},
445 {0x3106, 0x11},
446 {0x3500, 0x00},
447 {0x3501, 0x80},
448 {0x3502, 0x00},
449 {0x3503, 0x04},
450 {0x3504, 0x03},
451 {0x3505, 0x83},
452 {0x3508, 0x07},
453 {0x3509, 0x80},
454 {0x350e, 0x04},
455 {0x350f, 0x00},
456 {0x3510, 0x00},
457 {0x3511, 0x02},
458 {0x3512, 0x00},
459 {0x3601, 0xc8},
460 {0x3610, 0x88},
461 {0x3612, 0x48},
462 {0x3614, 0x5b},
463 {0x3615, 0x96},
464 {0x3621, 0xd0},
465 {0x3622, 0x00},
466 {0x3623, 0x00},
467 {0x3633, 0x13},
468 {0x3634, 0x13},
469 {0x3635, 0x13},
470 {0x3636, 0x13},
471 {0x3645, 0x13},
472 {0x3646, 0x82},
473 {0x3650, 0x00},
474 {0x3652, 0xff},
475 {0x3655, 0x20},
476 {0x3656, 0xff},
477 {0x365a, 0xff},
478 {0x365e, 0xff},
479 {0x3668, 0x00},
480 {0x366a, 0x07},
481 {0x366e, 0x08},
482 {0x366d, 0x00},
483 {0x366f, 0x80},
484 {0x3700, 0x28},
485 {0x3701, 0x10},
486 {0x3702, 0x3a},
487 {0x3703, 0x19},
488 {0x3704, 0x10},
489 {0x3705, 0x00},
490 {0x3706, 0x66},
491 {0x3707, 0x08},
492 {0x3708, 0x34},
493 {0x3709, 0x40},
494 {0x370a, 0x01},
495 {0x370b, 0x1b},
496 {0x3714, 0x24},
497 {0x371a, 0x3e},
498 {0x3733, 0x00},
499 {0x3734, 0x00},
500 {0x373a, 0x05},
501 {0x373b, 0x06},
502 {0x373c, 0x0a},
503 {0x373f, 0xa0},
504 {0x3755, 0x00},
505 {0x3758, 0x00},
506 {0x375b, 0x0e},
507 {0x3766, 0x5f},
508 {0x3768, 0x00},
509 {0x3769, 0x22},
510 {0x3773, 0x08},
511 {0x3774, 0x1f},
512 {0x3776, 0x06},
513 {0x37a0, 0x88},
514 {0x37a1, 0x5c},
515 {0x37a7, 0x88},
516 {0x37a8, 0x70},
517 {0x37aa, 0x88},
518 {0x37ab, 0x48},
519 {0x37b3, 0x66},
520 {0x37c2, 0x04},
521 {0x37c5, 0x00},
522 {0x37c8, 0x00},
523 {0x3800, 0x00},
524 {0x3801, 0x0c},
525 {0x3802, 0x00},
526 {0x3803, 0x04},
527 {0x3804, 0x0a},
528 {0x3805, 0x33},
529 {0x3806, 0x07},
530 {0x3807, 0xa3},
531 {0x3808, 0x05},
532 {0x3809, 0x10},
533 {0x380a, 0x03},
534 {0x380b, 0xcc},
535 {0x380c, 0x06},
536 {0x380d, 0x90},
537 {0x380e, 0x08},
538 {0x380f, 0x08},
539 {0x3811, 0x04},
540 {0x3813, 0x04},
541 {0x3814, 0x03},
542 {0x3815, 0x01},
543 {0x3816, 0x00},
544 {0x3817, 0x00},
545 {0x3818, 0x00},
546 {0x3819, 0x00},
547 {0x3820, 0x94},
548 {0x3821, 0x47},
549 {0x3822, 0x48},
550 {0x3826, 0x00},
551 {0x3827, 0x08},
552 {0x382a, 0x03},
553 {0x382b, 0x01},
554 {0x3830, 0x08},
555 {0x3836, 0x02},
556 {0x3837, 0x00},
557 {0x3838, 0x10},
558 {0x3841, 0xff},
559 {0x3846, 0x48},
560 {0x3861, 0x00},
561 {0x3862, 0x04},
562 {0x3863, 0x06},
563 {0x3a11, 0x01},
564 {0x3a12, 0x78},
565 {0x3b00, 0x00},
566 {0x3b02, 0x00},
567 {0x3b03, 0x00},
568 {0x3b04, 0x00},
569 {0x3b05, 0x00},
570 {0x3c00, 0x89},
571 {0x3c01, 0xab},
572 {0x3c02, 0x01},
573 {0x3c03, 0x00},
574 {0x3c04, 0x00},
575 {0x3c05, 0x03},
576 {0x3c06, 0x00},
577 {0x3c07, 0x05},
578 {0x3c0c, 0x00},
579 {0x3c0d, 0x00},
580 {0x3c0e, 0x00},
581 {0x3c0f, 0x00},
582 {0x3c40, 0x00},
583 {0x3c41, 0xa3},
584 {0x3c43, 0x7d},
585 {0x3c45, 0xd7},
586 {0x3c47, 0xfc},
587 {0x3c50, 0x05},
588 {0x3c52, 0xaa},
589 {0x3c54, 0x71},
590 {0x3c56, 0x80},
591 {0x3d85, 0x17},
592 {0x3f03, 0x00},
593 {0x3f0a, 0x00},
594 {0x3f0b, 0x00},
595 {0x4001, 0x60},
596 {0x4009, 0x05},
597 {0x4020, 0x00},
598 {0x4021, 0x00},
599 {0x4022, 0x00},
600 {0x4023, 0x00},
601 {0x4024, 0x00},
602 {0x4025, 0x00},
603 {0x4026, 0x00},
604 {0x4027, 0x00},
605 {0x4028, 0x00},
606 {0x4029, 0x00},
607 {0x402a, 0x00},
608 {0x402b, 0x00},
609 {0x402c, 0x00},
610 {0x402d, 0x00},
611 {0x402e, 0x00},
612 {0x402f, 0x00},
613 {0x4040, 0x00},
614 {0x4041, 0x03},
615 {0x4042, 0x00},
616 {0x4043, 0x7A},
617 {0x4044, 0x00},
618 {0x4045, 0x7A},
619 {0x4046, 0x00},
620 {0x4047, 0x7A},
621 {0x4048, 0x00},
622 {0x4049, 0x7A},
623 {0x4307, 0x30},
624 {0x4500, 0x58},
625 {0x4501, 0x04},
626 {0x4502, 0x48},
627 {0x4503, 0x10},
628 {0x4508, 0x55},
629 {0x4509, 0x55},
630 {0x450a, 0x00},
631 {0x450b, 0x00},
632 {0x4600, 0x00},
633 {0x4601, 0x81},
634 {0x4700, 0xa4},
635 {0x4800, 0x4c},
636 {0x4816, 0x53},
637 {0x481f, 0x40},
638 {0x4837, 0x13},
639 {0x5000, 0x56},
640 {0x5001, 0x01},
641 {0x5002, 0x28},
642 {0x5004, 0x0c},
643 {0x5006, 0x0c},
644 {0x5007, 0xe0},
645 {0x5008, 0x01},
646 {0x5009, 0xb0},
647 {0x5901, 0x00},
648 {0x5a01, 0x00},
649 {0x5a03, 0x00},
650 {0x5a04, 0x0c},
651 {0x5a05, 0xe0},
652 {0x5a06, 0x09},
653 {0x5a07, 0xb0},
654 {0x5a08, 0x06},
655 {0x5e00, 0x00},
656 {0x3734, 0x40},
657 {0x5b00, 0x01},
658 {0x5b01, 0x10},
659 {0x5b02, 0x01},
660 {0x5b03, 0xdb},
661 {0x3d8c, 0x71},
662 {0x3d8d, 0xea},
663 {0x4017, 0x10},
664 {0x3618, 0x2a},
665 {0x5780, 0x3e},
666 {0x5781, 0x0f},
667 {0x5782, 0x44},
668 {0x5783, 0x02},
669 {0x5784, 0x01},
670 {0x5785, 0x01},
671 {0x5786, 0x00},
672 {0x5787, 0x04},
673 {0x5788, 0x02},
674 {0x5789, 0x0f},
675 {0x578a, 0xfd},
676 {0x578b, 0xf5},
677 {0x578c, 0xf5},
678 {0x578d, 0x03},
679 {0x578e, 0x08},
680 {0x578f, 0x0c},
681 {0x5790, 0x08},
682 {0x5791, 0x04},
683 {0x5792, 0x00},
684 {0x5793, 0x52},
685 {0x5794, 0xa3},
686 {0x3503, 0x00},
687 {0x5045, 0x05},
688 {0x4003, 0x40},
689 {0x5048, 0x40}
690 };
691
692 static const struct ov5670_reg mode_648x486_regs[] = {
693 {0x3000, 0x00},
694 {0x3002, 0x21},
695 {0x3005, 0xf0},
696 {0x3007, 0x00},
697 {0x3015, 0x0f},
698 {0x3018, 0x32},
699 {0x301a, 0xf0},
700 {0x301b, 0xf0},
701 {0x301c, 0xf0},
702 {0x301d, 0xf0},
703 {0x301e, 0xf0},
704 {0x3030, 0x00},
705 {0x3031, 0x0a},
706 {0x303c, 0xff},
707 {0x303e, 0xff},
708 {0x3040, 0xf0},
709 {0x3041, 0x00},
710 {0x3042, 0xf0},
711 {0x3106, 0x11},
712 {0x3500, 0x00},
713 {0x3501, 0x80},
714 {0x3502, 0x00},
715 {0x3503, 0x04},
716 {0x3504, 0x03},
717 {0x3505, 0x83},
718 {0x3508, 0x04},
719 {0x3509, 0x00},
720 {0x350e, 0x04},
721 {0x350f, 0x00},
722 {0x3510, 0x00},
723 {0x3511, 0x02},
724 {0x3512, 0x00},
725 {0x3601, 0xc8},
726 {0x3610, 0x88},
727 {0x3612, 0x48},
728 {0x3614, 0x5b},
729 {0x3615, 0x96},
730 {0x3621, 0xd0},
731 {0x3622, 0x00},
732 {0x3623, 0x04},
733 {0x3633, 0x13},
734 {0x3634, 0x13},
735 {0x3635, 0x13},
736 {0x3636, 0x13},
737 {0x3645, 0x13},
738 {0x3646, 0x82},
739 {0x3650, 0x00},
740 {0x3652, 0xff},
741 {0x3655, 0x20},
742 {0x3656, 0xff},
743 {0x365a, 0xff},
744 {0x365e, 0xff},
745 {0x3668, 0x00},
746 {0x366a, 0x07},
747 {0x366e, 0x08},
748 {0x366d, 0x00},
749 {0x366f, 0x80},
750 {0x3700, 0x28},
751 {0x3701, 0x10},
752 {0x3702, 0x3a},
753 {0x3703, 0x19},
754 {0x3704, 0x10},
755 {0x3705, 0x00},
756 {0x3706, 0x66},
757 {0x3707, 0x08},
758 {0x3708, 0x34},
759 {0x3709, 0x40},
760 {0x370a, 0x01},
761 {0x370b, 0x1b},
762 {0x3714, 0x24},
763 {0x371a, 0x3e},
764 {0x3733, 0x00},
765 {0x3734, 0x00},
766 {0x373a, 0x05},
767 {0x373b, 0x06},
768 {0x373c, 0x0a},
769 {0x373f, 0xa0},
770 {0x3755, 0x00},
771 {0x3758, 0x00},
772 {0x375b, 0x0e},
773 {0x3766, 0x5f},
774 {0x3768, 0x00},
775 {0x3769, 0x22},
776 {0x3773, 0x08},
777 {0x3774, 0x1f},
778 {0x3776, 0x06},
779 {0x37a0, 0x88},
780 {0x37a1, 0x5c},
781 {0x37a7, 0x88},
782 {0x37a8, 0x70},
783 {0x37aa, 0x88},
784 {0x37ab, 0x48},
785 {0x37b3, 0x66},
786 {0x37c2, 0x04},
787 {0x37c5, 0x00},
788 {0x37c8, 0x00},
789 {0x3800, 0x00},
790 {0x3801, 0x0c},
791 {0x3802, 0x00},
792 {0x3803, 0x04},
793 {0x3804, 0x0a},
794 {0x3805, 0x33},
795 {0x3806, 0x07},
796 {0x3807, 0xa3},
797 {0x3808, 0x02},
798 {0x3809, 0x88},
799 {0x380a, 0x01},
800 {0x380b, 0xe6},
801 {0x380c, 0x06},
802 {0x380d, 0x90},
803 {0x380e, 0x08},
804 {0x380f, 0x08},
805 {0x3811, 0x04},
806 {0x3813, 0x02},
807 {0x3814, 0x07},
808 {0x3815, 0x01},
809 {0x3816, 0x00},
810 {0x3817, 0x00},
811 {0x3818, 0x00},
812 {0x3819, 0x00},
813 {0x3820, 0x94},
814 {0x3821, 0xc6},
815 {0x3822, 0x48},
816 {0x3826, 0x00},
817 {0x3827, 0x08},
818 {0x382a, 0x07},
819 {0x382b, 0x01},
820 {0x3830, 0x08},
821 {0x3836, 0x02},
822 {0x3837, 0x00},
823 {0x3838, 0x10},
824 {0x3841, 0xff},
825 {0x3846, 0x48},
826 {0x3861, 0x00},
827 {0x3862, 0x04},
828 {0x3863, 0x06},
829 {0x3a11, 0x01},
830 {0x3a12, 0x78},
831 {0x3b00, 0x00},
832 {0x3b02, 0x00},
833 {0x3b03, 0x00},
834 {0x3b04, 0x00},
835 {0x3b05, 0x00},
836 {0x3c00, 0x89},
837 {0x3c01, 0xab},
838 {0x3c02, 0x01},
839 {0x3c03, 0x00},
840 {0x3c04, 0x00},
841 {0x3c05, 0x03},
842 {0x3c06, 0x00},
843 {0x3c07, 0x05},
844 {0x3c0c, 0x00},
845 {0x3c0d, 0x00},
846 {0x3c0e, 0x00},
847 {0x3c0f, 0x00},
848 {0x3c40, 0x00},
849 {0x3c41, 0xa3},
850 {0x3c43, 0x7d},
851 {0x3c45, 0xd7},
852 {0x3c47, 0xfc},
853 {0x3c50, 0x05},
854 {0x3c52, 0xaa},
855 {0x3c54, 0x71},
856 {0x3c56, 0x80},
857 {0x3d85, 0x17},
858 {0x3f03, 0x00},
859 {0x3f0a, 0x00},
860 {0x3f0b, 0x00},
861 {0x4001, 0x60},
862 {0x4009, 0x05},
863 {0x4020, 0x00},
864 {0x4021, 0x00},
865 {0x4022, 0x00},
866 {0x4023, 0x00},
867 {0x4024, 0x00},
868 {0x4025, 0x00},
869 {0x4026, 0x00},
870 {0x4027, 0x00},
871 {0x4028, 0x00},
872 {0x4029, 0x00},
873 {0x402a, 0x00},
874 {0x402b, 0x00},
875 {0x402c, 0x00},
876 {0x402d, 0x00},
877 {0x402e, 0x00},
878 {0x402f, 0x00},
879 {0x4040, 0x00},
880 {0x4041, 0x03},
881 {0x4042, 0x00},
882 {0x4043, 0x7A},
883 {0x4044, 0x00},
884 {0x4045, 0x7A},
885 {0x4046, 0x00},
886 {0x4047, 0x7A},
887 {0x4048, 0x00},
888 {0x4049, 0x7A},
889 {0x4307, 0x30},
890 {0x4500, 0x58},
891 {0x4501, 0x04},
892 {0x4502, 0x40},
893 {0x4503, 0x10},
894 {0x4508, 0x55},
895 {0x4509, 0x55},
896 {0x450a, 0x02},
897 {0x450b, 0x00},
898 {0x4600, 0x00},
899 {0x4601, 0x40},
900 {0x4700, 0xa4},
901 {0x4800, 0x4c},
902 {0x4816, 0x53},
903 {0x481f, 0x40},
904 {0x4837, 0x13},
905 {0x5000, 0x56},
906 {0x5001, 0x01},
907 {0x5002, 0x28},
908 {0x5004, 0x0c},
909 {0x5006, 0x0c},
910 {0x5007, 0xe0},
911 {0x5008, 0x01},
912 {0x5009, 0xb0},
913 {0x5901, 0x00},
914 {0x5a01, 0x00},
915 {0x5a03, 0x00},
916 {0x5a04, 0x0c},
917 {0x5a05, 0xe0},
918 {0x5a06, 0x09},
919 {0x5a07, 0xb0},
920 {0x5a08, 0x06},
921 {0x5e00, 0x00},
922 {0x3734, 0x40},
923 {0x5b00, 0x01},
924 {0x5b01, 0x10},
925 {0x5b02, 0x01},
926 {0x5b03, 0xdb},
927 {0x3d8c, 0x71},
928 {0x3d8d, 0xea},
929 {0x4017, 0x10},
930 {0x3618, 0x2a},
931 {0x5780, 0x3e},
932 {0x5781, 0x0f},
933 {0x5782, 0x44},
934 {0x5783, 0x02},
935 {0x5784, 0x01},
936 {0x5785, 0x01},
937 {0x5786, 0x00},
938 {0x5787, 0x04},
939 {0x5788, 0x02},
940 {0x5789, 0x0f},
941 {0x578a, 0xfd},
942 {0x578b, 0xf5},
943 {0x578c, 0xf5},
944 {0x578d, 0x03},
945 {0x578e, 0x08},
946 {0x578f, 0x0c},
947 {0x5790, 0x08},
948 {0x5791, 0x06},
949 {0x5792, 0x00},
950 {0x5793, 0x52},
951 {0x5794, 0xa3},
952 {0x3503, 0x00},
953 {0x5045, 0x05},
954 {0x4003, 0x40},
955 {0x5048, 0x40}
956 };
957
958 static const struct ov5670_reg mode_2560x1440_regs[] = {
959 {0x3000, 0x00},
960 {0x3002, 0x21},
961 {0x3005, 0xf0},
962 {0x3007, 0x00},
963 {0x3015, 0x0f},
964 {0x3018, 0x32},
965 {0x301a, 0xf0},
966 {0x301b, 0xf0},
967 {0x301c, 0xf0},
968 {0x301d, 0xf0},
969 {0x301e, 0xf0},
970 {0x3030, 0x00},
971 {0x3031, 0x0a},
972 {0x303c, 0xff},
973 {0x303e, 0xff},
974 {0x3040, 0xf0},
975 {0x3041, 0x00},
976 {0x3042, 0xf0},
977 {0x3106, 0x11},
978 {0x3500, 0x00},
979 {0x3501, 0x80},
980 {0x3502, 0x00},
981 {0x3503, 0x04},
982 {0x3504, 0x03},
983 {0x3505, 0x83},
984 {0x3508, 0x04},
985 {0x3509, 0x00},
986 {0x350e, 0x04},
987 {0x350f, 0x00},
988 {0x3510, 0x00},
989 {0x3511, 0x02},
990 {0x3512, 0x00},
991 {0x3601, 0xc8},
992 {0x3610, 0x88},
993 {0x3612, 0x48},
994 {0x3614, 0x5b},
995 {0x3615, 0x96},
996 {0x3621, 0xd0},
997 {0x3622, 0x00},
998 {0x3623, 0x00},
999 {0x3633, 0x13},
1000 {0x3634, 0x13},
1001 {0x3635, 0x13},
1002 {0x3636, 0x13},
1003 {0x3645, 0x13},
1004 {0x3646, 0x82},
1005 {0x3650, 0x00},
1006 {0x3652, 0xff},
1007 {0x3655, 0x20},
1008 {0x3656, 0xff},
1009 {0x365a, 0xff},
1010 {0x365e, 0xff},
1011 {0x3668, 0x00},
1012 {0x366a, 0x07},
1013 {0x366e, 0x10},
1014 {0x366d, 0x00},
1015 {0x366f, 0x80},
1016 {0x3700, 0x28},
1017 {0x3701, 0x10},
1018 {0x3702, 0x3a},
1019 {0x3703, 0x19},
1020 {0x3704, 0x10},
1021 {0x3705, 0x00},
1022 {0x3706, 0x66},
1023 {0x3707, 0x08},
1024 {0x3708, 0x34},
1025 {0x3709, 0x40},
1026 {0x370a, 0x01},
1027 {0x370b, 0x1b},
1028 {0x3714, 0x24},
1029 {0x371a, 0x3e},
1030 {0x3733, 0x00},
1031 {0x3734, 0x00},
1032 {0x373a, 0x05},
1033 {0x373b, 0x06},
1034 {0x373c, 0x0a},
1035 {0x373f, 0xa0},
1036 {0x3755, 0x00},
1037 {0x3758, 0x00},
1038 {0x375b, 0x0e},
1039 {0x3766, 0x5f},
1040 {0x3768, 0x00},
1041 {0x3769, 0x22},
1042 {0x3773, 0x08},
1043 {0x3774, 0x1f},
1044 {0x3776, 0x06},
1045 {0x37a0, 0x88},
1046 {0x37a1, 0x5c},
1047 {0x37a7, 0x88},
1048 {0x37a8, 0x70},
1049 {0x37aa, 0x88},
1050 {0x37ab, 0x48},
1051 {0x37b3, 0x66},
1052 {0x37c2, 0x04},
1053 {0x37c5, 0x00},
1054 {0x37c8, 0x00},
1055 {0x3800, 0x00},
1056 {0x3801, 0x0c},
1057 {0x3802, 0x00},
1058 {0x3803, 0x04},
1059 {0x3804, 0x0a},
1060 {0x3805, 0x33},
1061 {0x3806, 0x07},
1062 {0x3807, 0xa3},
1063 {0x3808, 0x0a},
1064 {0x3809, 0x00},
1065 {0x380a, 0x05},
1066 {0x380b, 0xa0},
1067 {0x380c, 0x06},
1068 {0x380d, 0x90},
1069 {0x380e, 0x08},
1070 {0x380f, 0x08},
1071 {0x3811, 0x04},
1072 {0x3813, 0x02},
1073 {0x3814, 0x01},
1074 {0x3815, 0x01},
1075 {0x3816, 0x00},
1076 {0x3817, 0x00},
1077 {0x3818, 0x00},
1078 {0x3819, 0x00},
1079 {0x3820, 0x84},
1080 {0x3821, 0x46},
1081 {0x3822, 0x48},
1082 {0x3826, 0x00},
1083 {0x3827, 0x08},
1084 {0x382a, 0x01},
1085 {0x382b, 0x01},
1086 {0x3830, 0x08},
1087 {0x3836, 0x02},
1088 {0x3837, 0x00},
1089 {0x3838, 0x10},
1090 {0x3841, 0xff},
1091 {0x3846, 0x48},
1092 {0x3861, 0x00},
1093 {0x3862, 0x04},
1094 {0x3863, 0x06},
1095 {0x3a11, 0x01},
1096 {0x3a12, 0x78},
1097 {0x3b00, 0x00},
1098 {0x3b02, 0x00},
1099 {0x3b03, 0x00},
1100 {0x3b04, 0x00},
1101 {0x3b05, 0x00},
1102 {0x3c00, 0x89},
1103 {0x3c01, 0xab},
1104 {0x3c02, 0x01},
1105 {0x3c03, 0x00},
1106 {0x3c04, 0x00},
1107 {0x3c05, 0x03},
1108 {0x3c06, 0x00},
1109 {0x3c07, 0x05},
1110 {0x3c0c, 0x00},
1111 {0x3c0d, 0x00},
1112 {0x3c0e, 0x00},
1113 {0x3c0f, 0x00},
1114 {0x3c40, 0x00},
1115 {0x3c41, 0xa3},
1116 {0x3c43, 0x7d},
1117 {0x3c45, 0xd7},
1118 {0x3c47, 0xfc},
1119 {0x3c50, 0x05},
1120 {0x3c52, 0xaa},
1121 {0x3c54, 0x71},
1122 {0x3c56, 0x80},
1123 {0x3d85, 0x17},
1124 {0x3f03, 0x00},
1125 {0x3f0a, 0x00},
1126 {0x3f0b, 0x00},
1127 {0x4001, 0x60},
1128 {0x4009, 0x0d},
1129 {0x4020, 0x00},
1130 {0x4021, 0x00},
1131 {0x4022, 0x00},
1132 {0x4023, 0x00},
1133 {0x4024, 0x00},
1134 {0x4025, 0x00},
1135 {0x4026, 0x00},
1136 {0x4027, 0x00},
1137 {0x4028, 0x00},
1138 {0x4029, 0x00},
1139 {0x402a, 0x00},
1140 {0x402b, 0x00},
1141 {0x402c, 0x00},
1142 {0x402d, 0x00},
1143 {0x402e, 0x00},
1144 {0x402f, 0x00},
1145 {0x4040, 0x00},
1146 {0x4041, 0x03},
1147 {0x4042, 0x00},
1148 {0x4043, 0x7A},
1149 {0x4044, 0x00},
1150 {0x4045, 0x7A},
1151 {0x4046, 0x00},
1152 {0x4047, 0x7A},
1153 {0x4048, 0x00},
1154 {0x4049, 0x7A},
1155 {0x4307, 0x30},
1156 {0x4500, 0x58},
1157 {0x4501, 0x04},
1158 {0x4502, 0x40},
1159 {0x4503, 0x10},
1160 {0x4508, 0xaa},
1161 {0x4509, 0xaa},
1162 {0x450a, 0x00},
1163 {0x450b, 0x00},
1164 {0x4600, 0x01},
1165 {0x4601, 0x00},
1166 {0x4700, 0xa4},
1167 {0x4800, 0x4c},
1168 {0x4816, 0x53},
1169 {0x481f, 0x40},
1170 {0x4837, 0x13},
1171 {0x5000, 0x56},
1172 {0x5001, 0x01},
1173 {0x5002, 0x28},
1174 {0x5004, 0x0c},
1175 {0x5006, 0x0c},
1176 {0x5007, 0xe0},
1177 {0x5008, 0x01},
1178 {0x5009, 0xb0},
1179 {0x5901, 0x00},
1180 {0x5a01, 0x00},
1181 {0x5a03, 0x00},
1182 {0x5a04, 0x0c},
1183 {0x5a05, 0xe0},
1184 {0x5a06, 0x09},
1185 {0x5a07, 0xb0},
1186 {0x5a08, 0x06},
1187 {0x5e00, 0x00},
1188 {0x3734, 0x40},
1189 {0x5b00, 0x01},
1190 {0x5b01, 0x10},
1191 {0x5b02, 0x01},
1192 {0x5b03, 0xdb},
1193 {0x3d8c, 0x71},
1194 {0x3d8d, 0xea},
1195 {0x4017, 0x08},
1196 {0x3618, 0x2a},
1197 {0x5780, 0x3e},
1198 {0x5781, 0x0f},
1199 {0x5782, 0x44},
1200 {0x5783, 0x02},
1201 {0x5784, 0x01},
1202 {0x5785, 0x01},
1203 {0x5786, 0x00},
1204 {0x5787, 0x04},
1205 {0x5788, 0x02},
1206 {0x5789, 0x0f},
1207 {0x578a, 0xfd},
1208 {0x578b, 0xf5},
1209 {0x578c, 0xf5},
1210 {0x578d, 0x03},
1211 {0x578e, 0x08},
1212 {0x578f, 0x0c},
1213 {0x5790, 0x08},
1214 {0x5791, 0x06},
1215 {0x5792, 0x00},
1216 {0x5793, 0x52},
1217 {0x5794, 0xa3},
1218 {0x5045, 0x05},
1219 {0x4003, 0x40},
1220 {0x5048, 0x40}
1221 };
1222
1223 static const struct ov5670_reg mode_1280x720_regs[] = {
1224 {0x3000, 0x00},
1225 {0x3002, 0x21},
1226 {0x3005, 0xf0},
1227 {0x3007, 0x00},
1228 {0x3015, 0x0f},
1229 {0x3018, 0x32},
1230 {0x301a, 0xf0},
1231 {0x301b, 0xf0},
1232 {0x301c, 0xf0},
1233 {0x301d, 0xf0},
1234 {0x301e, 0xf0},
1235 {0x3030, 0x00},
1236 {0x3031, 0x0a},
1237 {0x303c, 0xff},
1238 {0x303e, 0xff},
1239 {0x3040, 0xf0},
1240 {0x3041, 0x00},
1241 {0x3042, 0xf0},
1242 {0x3106, 0x11},
1243 {0x3500, 0x00},
1244 {0x3501, 0x80},
1245 {0x3502, 0x00},
1246 {0x3503, 0x04},
1247 {0x3504, 0x03},
1248 {0x3505, 0x83},
1249 {0x3508, 0x04},
1250 {0x3509, 0x00},
1251 {0x350e, 0x04},
1252 {0x350f, 0x00},
1253 {0x3510, 0x00},
1254 {0x3511, 0x02},
1255 {0x3512, 0x00},
1256 {0x3601, 0xc8},
1257 {0x3610, 0x88},
1258 {0x3612, 0x48},
1259 {0x3614, 0x5b},
1260 {0x3615, 0x96},
1261 {0x3621, 0xd0},
1262 {0x3622, 0x00},
1263 {0x3623, 0x00},
1264 {0x3633, 0x13},
1265 {0x3634, 0x13},
1266 {0x3635, 0x13},
1267 {0x3636, 0x13},
1268 {0x3645, 0x13},
1269 {0x3646, 0x82},
1270 {0x3650, 0x00},
1271 {0x3652, 0xff},
1272 {0x3655, 0x20},
1273 {0x3656, 0xff},
1274 {0x365a, 0xff},
1275 {0x365e, 0xff},
1276 {0x3668, 0x00},
1277 {0x366a, 0x07},
1278 {0x366e, 0x08},
1279 {0x366d, 0x00},
1280 {0x366f, 0x80},
1281 {0x3700, 0x28},
1282 {0x3701, 0x10},
1283 {0x3702, 0x3a},
1284 {0x3703, 0x19},
1285 {0x3704, 0x10},
1286 {0x3705, 0x00},
1287 {0x3706, 0x66},
1288 {0x3707, 0x08},
1289 {0x3708, 0x34},
1290 {0x3709, 0x40},
1291 {0x370a, 0x01},
1292 {0x370b, 0x1b},
1293 {0x3714, 0x24},
1294 {0x371a, 0x3e},
1295 {0x3733, 0x00},
1296 {0x3734, 0x00},
1297 {0x373a, 0x05},
1298 {0x373b, 0x06},
1299 {0x373c, 0x0a},
1300 {0x373f, 0xa0},
1301 {0x3755, 0x00},
1302 {0x3758, 0x00},
1303 {0x375b, 0x0e},
1304 {0x3766, 0x5f},
1305 {0x3768, 0x00},
1306 {0x3769, 0x22},
1307 {0x3773, 0x08},
1308 {0x3774, 0x1f},
1309 {0x3776, 0x06},
1310 {0x37a0, 0x88},
1311 {0x37a1, 0x5c},
1312 {0x37a7, 0x88},
1313 {0x37a8, 0x70},
1314 {0x37aa, 0x88},
1315 {0x37ab, 0x48},
1316 {0x37b3, 0x66},
1317 {0x37c2, 0x04},
1318 {0x37c5, 0x00},
1319 {0x37c8, 0x00},
1320 {0x3800, 0x00},
1321 {0x3801, 0x0c},
1322 {0x3802, 0x00},
1323 {0x3803, 0x04},
1324 {0x3804, 0x0a},
1325 {0x3805, 0x33},
1326 {0x3806, 0x07},
1327 {0x3807, 0xa3},
1328 {0x3808, 0x05},
1329 {0x3809, 0x00},
1330 {0x380a, 0x02},
1331 {0x380b, 0xd0},
1332 {0x380c, 0x06},
1333 {0x380d, 0x90},
1334 {0x380e, 0x08},
1335 {0x380f, 0x08},
1336 {0x3811, 0x04},
1337 {0x3813, 0x02},
1338 {0x3814, 0x03},
1339 {0x3815, 0x01},
1340 {0x3816, 0x00},
1341 {0x3817, 0x00},
1342 {0x3818, 0x00},
1343 {0x3819, 0x00},
1344 {0x3820, 0x94},
1345 {0x3821, 0x47},
1346 {0x3822, 0x48},
1347 {0x3826, 0x00},
1348 {0x3827, 0x08},
1349 {0x382a, 0x03},
1350 {0x382b, 0x01},
1351 {0x3830, 0x08},
1352 {0x3836, 0x02},
1353 {0x3837, 0x00},
1354 {0x3838, 0x10},
1355 {0x3841, 0xff},
1356 {0x3846, 0x48},
1357 {0x3861, 0x00},
1358 {0x3862, 0x04},
1359 {0x3863, 0x06},
1360 {0x3a11, 0x01},
1361 {0x3a12, 0x78},
1362 {0x3b00, 0x00},
1363 {0x3b02, 0x00},
1364 {0x3b03, 0x00},
1365 {0x3b04, 0x00},
1366 {0x3b05, 0x00},
1367 {0x3c00, 0x89},
1368 {0x3c01, 0xab},
1369 {0x3c02, 0x01},
1370 {0x3c03, 0x00},
1371 {0x3c04, 0x00},
1372 {0x3c05, 0x03},
1373 {0x3c06, 0x00},
1374 {0x3c07, 0x05},
1375 {0x3c0c, 0x00},
1376 {0x3c0d, 0x00},
1377 {0x3c0e, 0x00},
1378 {0x3c0f, 0x00},
1379 {0x3c40, 0x00},
1380 {0x3c41, 0xa3},
1381 {0x3c43, 0x7d},
1382 {0x3c45, 0xd7},
1383 {0x3c47, 0xfc},
1384 {0x3c50, 0x05},
1385 {0x3c52, 0xaa},
1386 {0x3c54, 0x71},
1387 {0x3c56, 0x80},
1388 {0x3d85, 0x17},
1389 {0x3f03, 0x00},
1390 {0x3f0a, 0x00},
1391 {0x3f0b, 0x00},
1392 {0x4001, 0x60},
1393 {0x4009, 0x05},
1394 {0x4020, 0x00},
1395 {0x4021, 0x00},
1396 {0x4022, 0x00},
1397 {0x4023, 0x00},
1398 {0x4024, 0x00},
1399 {0x4025, 0x00},
1400 {0x4026, 0x00},
1401 {0x4027, 0x00},
1402 {0x4028, 0x00},
1403 {0x4029, 0x00},
1404 {0x402a, 0x00},
1405 {0x402b, 0x00},
1406 {0x402c, 0x00},
1407 {0x402d, 0x00},
1408 {0x402e, 0x00},
1409 {0x402f, 0x00},
1410 {0x4040, 0x00},
1411 {0x4041, 0x03},
1412 {0x4042, 0x00},
1413 {0x4043, 0x7A},
1414 {0x4044, 0x00},
1415 {0x4045, 0x7A},
1416 {0x4046, 0x00},
1417 {0x4047, 0x7A},
1418 {0x4048, 0x00},
1419 {0x4049, 0x7A},
1420 {0x4307, 0x30},
1421 {0x4500, 0x58},
1422 {0x4501, 0x04},
1423 {0x4502, 0x48},
1424 {0x4503, 0x10},
1425 {0x4508, 0x55},
1426 {0x4509, 0x55},
1427 {0x450a, 0x00},
1428 {0x450b, 0x00},
1429 {0x4600, 0x00},
1430 {0x4601, 0x80},
1431 {0x4700, 0xa4},
1432 {0x4800, 0x4c},
1433 {0x4816, 0x53},
1434 {0x481f, 0x40},
1435 {0x4837, 0x13},
1436 {0x5000, 0x56},
1437 {0x5001, 0x01},
1438 {0x5002, 0x28},
1439 {0x5004, 0x0c},
1440 {0x5006, 0x0c},
1441 {0x5007, 0xe0},
1442 {0x5008, 0x01},
1443 {0x5009, 0xb0},
1444 {0x5901, 0x00},
1445 {0x5a01, 0x00},
1446 {0x5a03, 0x00},
1447 {0x5a04, 0x0c},
1448 {0x5a05, 0xe0},
1449 {0x5a06, 0x09},
1450 {0x5a07, 0xb0},
1451 {0x5a08, 0x06},
1452 {0x5e00, 0x00},
1453 {0x3734, 0x40},
1454 {0x5b00, 0x01},
1455 {0x5b01, 0x10},
1456 {0x5b02, 0x01},
1457 {0x5b03, 0xdb},
1458 {0x3d8c, 0x71},
1459 {0x3d8d, 0xea},
1460 {0x4017, 0x10},
1461 {0x3618, 0x2a},
1462 {0x5780, 0x3e},
1463 {0x5781, 0x0f},
1464 {0x5782, 0x44},
1465 {0x5783, 0x02},
1466 {0x5784, 0x01},
1467 {0x5785, 0x01},
1468 {0x5786, 0x00},
1469 {0x5787, 0x04},
1470 {0x5788, 0x02},
1471 {0x5789, 0x0f},
1472 {0x578a, 0xfd},
1473 {0x578b, 0xf5},
1474 {0x578c, 0xf5},
1475 {0x578d, 0x03},
1476 {0x578e, 0x08},
1477 {0x578f, 0x0c},
1478 {0x5790, 0x08},
1479 {0x5791, 0x06},
1480 {0x5792, 0x00},
1481 {0x5793, 0x52},
1482 {0x5794, 0xa3},
1483 {0x3503, 0x00},
1484 {0x5045, 0x05},
1485 {0x4003, 0x40},
1486 {0x5048, 0x40}
1487 };
1488
1489 static const struct ov5670_reg mode_640x360_regs[] = {
1490 {0x3000, 0x00},
1491 {0x3002, 0x21},
1492 {0x3005, 0xf0},
1493 {0x3007, 0x00},
1494 {0x3015, 0x0f},
1495 {0x3018, 0x32},
1496 {0x301a, 0xf0},
1497 {0x301b, 0xf0},
1498 {0x301c, 0xf0},
1499 {0x301d, 0xf0},
1500 {0x301e, 0xf0},
1501 {0x3030, 0x00},
1502 {0x3031, 0x0a},
1503 {0x303c, 0xff},
1504 {0x303e, 0xff},
1505 {0x3040, 0xf0},
1506 {0x3041, 0x00},
1507 {0x3042, 0xf0},
1508 {0x3106, 0x11},
1509 {0x3500, 0x00},
1510 {0x3501, 0x80},
1511 {0x3502, 0x00},
1512 {0x3503, 0x04},
1513 {0x3504, 0x03},
1514 {0x3505, 0x83},
1515 {0x3508, 0x04},
1516 {0x3509, 0x00},
1517 {0x350e, 0x04},
1518 {0x350f, 0x00},
1519 {0x3510, 0x00},
1520 {0x3511, 0x02},
1521 {0x3512, 0x00},
1522 {0x3601, 0xc8},
1523 {0x3610, 0x88},
1524 {0x3612, 0x48},
1525 {0x3614, 0x5b},
1526 {0x3615, 0x96},
1527 {0x3621, 0xd0},
1528 {0x3622, 0x00},
1529 {0x3623, 0x04},
1530 {0x3633, 0x13},
1531 {0x3634, 0x13},
1532 {0x3635, 0x13},
1533 {0x3636, 0x13},
1534 {0x3645, 0x13},
1535 {0x3646, 0x82},
1536 {0x3650, 0x00},
1537 {0x3652, 0xff},
1538 {0x3655, 0x20},
1539 {0x3656, 0xff},
1540 {0x365a, 0xff},
1541 {0x365e, 0xff},
1542 {0x3668, 0x00},
1543 {0x366a, 0x07},
1544 {0x366e, 0x08},
1545 {0x366d, 0x00},
1546 {0x366f, 0x80},
1547 {0x3700, 0x28},
1548 {0x3701, 0x10},
1549 {0x3702, 0x3a},
1550 {0x3703, 0x19},
1551 {0x3704, 0x10},
1552 {0x3705, 0x00},
1553 {0x3706, 0x66},
1554 {0x3707, 0x08},
1555 {0x3708, 0x34},
1556 {0x3709, 0x40},
1557 {0x370a, 0x01},
1558 {0x370b, 0x1b},
1559 {0x3714, 0x24},
1560 {0x371a, 0x3e},
1561 {0x3733, 0x00},
1562 {0x3734, 0x00},
1563 {0x373a, 0x05},
1564 {0x373b, 0x06},
1565 {0x373c, 0x0a},
1566 {0x373f, 0xa0},
1567 {0x3755, 0x00},
1568 {0x3758, 0x00},
1569 {0x375b, 0x0e},
1570 {0x3766, 0x5f},
1571 {0x3768, 0x00},
1572 {0x3769, 0x22},
1573 {0x3773, 0x08},
1574 {0x3774, 0x1f},
1575 {0x3776, 0x06},
1576 {0x37a0, 0x88},
1577 {0x37a1, 0x5c},
1578 {0x37a7, 0x88},
1579 {0x37a8, 0x70},
1580 {0x37aa, 0x88},
1581 {0x37ab, 0x48},
1582 {0x37b3, 0x66},
1583 {0x37c2, 0x04},
1584 {0x37c5, 0x00},
1585 {0x37c8, 0x00},
1586 {0x3800, 0x00},
1587 {0x3801, 0x0c},
1588 {0x3802, 0x00},
1589 {0x3803, 0x04},
1590 {0x3804, 0x0a},
1591 {0x3805, 0x33},
1592 {0x3806, 0x07},
1593 {0x3807, 0xa3},
1594 {0x3808, 0x02},
1595 {0x3809, 0x80},
1596 {0x380a, 0x01},
1597 {0x380b, 0x68},
1598 {0x380c, 0x06},
1599 {0x380d, 0x90},
1600 {0x380e, 0x08},
1601 {0x380f, 0x08},
1602 {0x3811, 0x04},
1603 {0x3813, 0x02},
1604 {0x3814, 0x07},
1605 {0x3815, 0x01},
1606 {0x3816, 0x00},
1607 {0x3817, 0x00},
1608 {0x3818, 0x00},
1609 {0x3819, 0x00},
1610 {0x3820, 0x94},
1611 {0x3821, 0xc6},
1612 {0x3822, 0x48},
1613 {0x3826, 0x00},
1614 {0x3827, 0x08},
1615 {0x382a, 0x07},
1616 {0x382b, 0x01},
1617 {0x3830, 0x08},
1618 {0x3836, 0x02},
1619 {0x3837, 0x00},
1620 {0x3838, 0x10},
1621 {0x3841, 0xff},
1622 {0x3846, 0x48},
1623 {0x3861, 0x00},
1624 {0x3862, 0x04},
1625 {0x3863, 0x06},
1626 {0x3a11, 0x01},
1627 {0x3a12, 0x78},
1628 {0x3b00, 0x00},
1629 {0x3b02, 0x00},
1630 {0x3b03, 0x00},
1631 {0x3b04, 0x00},
1632 {0x3b05, 0x00},
1633 {0x3c00, 0x89},
1634 {0x3c01, 0xab},
1635 {0x3c02, 0x01},
1636 {0x3c03, 0x00},
1637 {0x3c04, 0x00},
1638 {0x3c05, 0x03},
1639 {0x3c06, 0x00},
1640 {0x3c07, 0x05},
1641 {0x3c0c, 0x00},
1642 {0x3c0d, 0x00},
1643 {0x3c0e, 0x00},
1644 {0x3c0f, 0x00},
1645 {0x3c40, 0x00},
1646 {0x3c41, 0xa3},
1647 {0x3c43, 0x7d},
1648 {0x3c45, 0xd7},
1649 {0x3c47, 0xfc},
1650 {0x3c50, 0x05},
1651 {0x3c52, 0xaa},
1652 {0x3c54, 0x71},
1653 {0x3c56, 0x80},
1654 {0x3d85, 0x17},
1655 {0x3f03, 0x00},
1656 {0x3f0a, 0x00},
1657 {0x3f0b, 0x00},
1658 {0x4001, 0x60},
1659 {0x4009, 0x05},
1660 {0x4020, 0x00},
1661 {0x4021, 0x00},
1662 {0x4022, 0x00},
1663 {0x4023, 0x00},
1664 {0x4024, 0x00},
1665 {0x4025, 0x00},
1666 {0x4026, 0x00},
1667 {0x4027, 0x00},
1668 {0x4028, 0x00},
1669 {0x4029, 0x00},
1670 {0x402a, 0x00},
1671 {0x402b, 0x00},
1672 {0x402c, 0x00},
1673 {0x402d, 0x00},
1674 {0x402e, 0x00},
1675 {0x402f, 0x00},
1676 {0x4040, 0x00},
1677 {0x4041, 0x03},
1678 {0x4042, 0x00},
1679 {0x4043, 0x7A},
1680 {0x4044, 0x00},
1681 {0x4045, 0x7A},
1682 {0x4046, 0x00},
1683 {0x4047, 0x7A},
1684 {0x4048, 0x00},
1685 {0x4049, 0x7A},
1686 {0x4307, 0x30},
1687 {0x4500, 0x58},
1688 {0x4501, 0x04},
1689 {0x4502, 0x40},
1690 {0x4503, 0x10},
1691 {0x4508, 0x55},
1692 {0x4509, 0x55},
1693 {0x450a, 0x02},
1694 {0x450b, 0x00},
1695 {0x4600, 0x00},
1696 {0x4601, 0x40},
1697 {0x4700, 0xa4},
1698 {0x4800, 0x4c},
1699 {0x4816, 0x53},
1700 {0x481f, 0x40},
1701 {0x4837, 0x13},
1702 {0x5000, 0x56},
1703 {0x5001, 0x01},
1704 {0x5002, 0x28},
1705 {0x5004, 0x0c},
1706 {0x5006, 0x0c},
1707 {0x5007, 0xe0},
1708 {0x5008, 0x01},
1709 {0x5009, 0xb0},
1710 {0x5901, 0x00},
1711 {0x5a01, 0x00},
1712 {0x5a03, 0x00},
1713 {0x5a04, 0x0c},
1714 {0x5a05, 0xe0},
1715 {0x5a06, 0x09},
1716 {0x5a07, 0xb0},
1717 {0x5a08, 0x06},
1718 {0x5e00, 0x00},
1719 {0x3734, 0x40},
1720 {0x5b00, 0x01},
1721 {0x5b01, 0x10},
1722 {0x5b02, 0x01},
1723 {0x5b03, 0xdb},
1724 {0x3d8c, 0x71},
1725 {0x3d8d, 0xea},
1726 {0x4017, 0x10},
1727 {0x3618, 0x2a},
1728 {0x5780, 0x3e},
1729 {0x5781, 0x0f},
1730 {0x5782, 0x44},
1731 {0x5783, 0x02},
1732 {0x5784, 0x01},
1733 {0x5785, 0x01},
1734 {0x5786, 0x00},
1735 {0x5787, 0x04},
1736 {0x5788, 0x02},
1737 {0x5789, 0x0f},
1738 {0x578a, 0xfd},
1739 {0x578b, 0xf5},
1740 {0x578c, 0xf5},
1741 {0x578d, 0x03},
1742 {0x578e, 0x08},
1743 {0x578f, 0x0c},
1744 {0x5790, 0x08},
1745 {0x5791, 0x06},
1746 {0x5792, 0x00},
1747 {0x5793, 0x52},
1748 {0x5794, 0xa3},
1749 {0x3503, 0x00},
1750 {0x5045, 0x05},
1751 {0x4003, 0x40},
1752 {0x5048, 0x40}
1753 };
1754
1755 static const char * const ov5670_test_pattern_menu[] = {
1756 "Disabled",
1757 "Vertical Color Bar Type 1",
1758 };
1759
1760 /* Supported link frequencies */
1761 #define OV5670_LINK_FREQ_422MHZ 422400000
1762 #define OV5670_LINK_FREQ_422MHZ_INDEX 0
1763 static const struct ov5670_link_freq_config link_freq_configs[] = {
1764 {
1765 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1766 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1767 .reg_list = {
1768 .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1769 .regs = mipi_data_rate_840mbps,
1770 }
1771 }
1772 };
1773
1774 static const s64 link_freq_menu_items[] = {
1775 OV5670_LINK_FREQ_422MHZ
1776 };
1777
1778 /*
1779 * OV5670 sensor supports following resolutions with full FOV:
1780 * 4:3 ==> {2592x1944, 1296x972, 648x486}
1781 * 16:9 ==> {2560x1440, 1280x720, 640x360}
1782 */
1783 static const struct ov5670_mode supported_modes[] = {
1784 {
1785 .width = 2592,
1786 .height = 1944,
1787 .vts_def = OV5670_VTS_30FPS,
1788 .vts_min = OV5670_VTS_30FPS,
1789 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1790 .analog_crop = &ov5670_analog_crop,
1791 .reg_list = {
1792 .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1793 .regs = mode_2592x1944_regs,
1794 },
1795 },
1796 {
1797 .width = 1296,
1798 .height = 972,
1799 .vts_def = OV5670_VTS_30FPS,
1800 .vts_min = 996,
1801 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1802 .analog_crop = &ov5670_analog_crop,
1803 .reg_list = {
1804 .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1805 .regs = mode_1296x972_regs,
1806 },
1807 },
1808 {
1809 .width = 648,
1810 .height = 486,
1811 .vts_def = OV5670_VTS_30FPS,
1812 .vts_min = 516,
1813 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1814 .analog_crop = &ov5670_analog_crop,
1815 .reg_list = {
1816 .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1817 .regs = mode_648x486_regs,
1818 },
1819 },
1820 {
1821 .width = 2560,
1822 .height = 1440,
1823 .vts_def = OV5670_VTS_30FPS,
1824 .vts_min = OV5670_VTS_30FPS,
1825 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1826 .analog_crop = &ov5670_analog_crop,
1827 .reg_list = {
1828 .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1829 .regs = mode_2560x1440_regs,
1830 },
1831 },
1832 {
1833 .width = 1280,
1834 .height = 720,
1835 .vts_def = OV5670_VTS_30FPS,
1836 .vts_min = 1020,
1837
1838 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1839 .analog_crop = &ov5670_analog_crop,
1840 .reg_list = {
1841 .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1842 .regs = mode_1280x720_regs,
1843 },
1844 },
1845 {
1846 .width = 640,
1847 .height = 360,
1848 .vts_def = OV5670_VTS_30FPS,
1849 .vts_min = 510,
1850 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1851 .analog_crop = &ov5670_analog_crop,
1852 .reg_list = {
1853 .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1854 .regs = mode_640x360_regs,
1855 },
1856 }
1857 };
1858
1859 struct ov5670 {
1860 struct v4l2_subdev sd;
1861 struct media_pad pad;
1862
1863 struct v4l2_ctrl_handler ctrl_handler;
1864 /* V4L2 Controls */
1865 struct v4l2_ctrl *link_freq;
1866 struct v4l2_ctrl *pixel_rate;
1867 struct v4l2_ctrl *vblank;
1868 struct v4l2_ctrl *hblank;
1869 struct v4l2_ctrl *exposure;
1870
1871 /* Current mode */
1872 const struct ov5670_mode *cur_mode;
1873
1874 /* xvclk input clock */
1875 struct clk *xvclk;
1876
1877 /* Regulators */
1878 struct regulator_bulk_data supplies[OV5670_NUM_SUPPLIES];
1879
1880 /* Power-down and reset gpios. */
1881 struct gpio_desc *pwdn_gpio; /* PWDNB pin. */
1882 struct gpio_desc *reset_gpio; /* XSHUTDOWN pin. */
1883
1884 /* To serialize asynchronus callbacks */
1885 struct mutex mutex;
1886
1887 /* Streaming on/off */
1888 bool streaming;
1889 /* True if the device has been identified */
1890 bool identified;
1891 };
1892
1893 #define to_ov5670(_sd) container_of(_sd, struct ov5670, sd)
1894
1895 /* Read registers up to 4 at a time */
ov5670_read_reg(struct ov5670 * ov5670,u16 reg,unsigned int len,u32 * val)1896 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1897 u32 *val)
1898 {
1899 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1900 struct i2c_msg msgs[2];
1901 u8 *data_be_p;
1902 __be32 data_be = 0;
1903 __be16 reg_addr_be = cpu_to_be16(reg);
1904 int ret;
1905
1906 if (len > 4)
1907 return -EINVAL;
1908
1909 data_be_p = (u8 *)&data_be;
1910 /* Write register address */
1911 msgs[0].addr = client->addr;
1912 msgs[0].flags = 0;
1913 msgs[0].len = 2;
1914 msgs[0].buf = (u8 *)®_addr_be;
1915
1916 /* Read data from register */
1917 msgs[1].addr = client->addr;
1918 msgs[1].flags = I2C_M_RD;
1919 msgs[1].len = len;
1920 msgs[1].buf = &data_be_p[4 - len];
1921
1922 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1923 if (ret != ARRAY_SIZE(msgs))
1924 return -EIO;
1925
1926 *val = be32_to_cpu(data_be);
1927
1928 return 0;
1929 }
1930
1931 /* Write registers up to 4 at a time */
ov5670_write_reg(struct ov5670 * ov5670,u16 reg,unsigned int len,u32 val)1932 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1933 u32 val)
1934 {
1935 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1936 int buf_i;
1937 int val_i;
1938 u8 buf[6];
1939 u8 *val_p;
1940 __be32 tmp;
1941
1942 if (len > 4)
1943 return -EINVAL;
1944
1945 buf[0] = reg >> 8;
1946 buf[1] = reg & 0xff;
1947
1948 tmp = cpu_to_be32(val);
1949 val_p = (u8 *)&tmp;
1950 buf_i = 2;
1951 val_i = 4 - len;
1952
1953 while (val_i < 4)
1954 buf[buf_i++] = val_p[val_i++];
1955
1956 if (i2c_master_send(client, buf, len + 2) != len + 2)
1957 return -EIO;
1958
1959 return 0;
1960 }
1961
1962 /* Write a list of registers */
ov5670_write_regs(struct ov5670 * ov5670,const struct ov5670_reg * regs,unsigned int len)1963 static int ov5670_write_regs(struct ov5670 *ov5670,
1964 const struct ov5670_reg *regs, unsigned int len)
1965 {
1966 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1967 unsigned int i;
1968 int ret;
1969
1970 for (i = 0; i < len; i++) {
1971 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1972 if (ret) {
1973 dev_err_ratelimited(
1974 &client->dev,
1975 "Failed to write reg 0x%4.4x. error = %d\n",
1976 regs[i].address, ret);
1977
1978 return ret;
1979 }
1980 }
1981
1982 return 0;
1983 }
1984
ov5670_write_reg_list(struct ov5670 * ov5670,const struct ov5670_reg_list * r_list)1985 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1986 const struct ov5670_reg_list *r_list)
1987 {
1988 return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1989 }
1990
ov5670_update_digital_gain(struct ov5670 * ov5670,u32 d_gain)1991 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1992 {
1993 int ret;
1994
1995 ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1996 OV5670_REG_VALUE_16BIT, d_gain);
1997 if (ret)
1998 return ret;
1999
2000 ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
2001 OV5670_REG_VALUE_16BIT, d_gain);
2002 if (ret)
2003 return ret;
2004
2005 return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
2006 OV5670_REG_VALUE_16BIT, d_gain);
2007 }
2008
ov5670_enable_test_pattern(struct ov5670 * ov5670,u32 pattern)2009 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
2010 {
2011 u32 val;
2012 int ret;
2013
2014 /* Set the bayer order that we support */
2015 ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
2016 OV5670_REG_VALUE_08BIT, 0);
2017 if (ret)
2018 return ret;
2019
2020 ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
2021 OV5670_REG_VALUE_08BIT, &val);
2022 if (ret)
2023 return ret;
2024
2025 if (pattern)
2026 val |= OV5670_TEST_PATTERN_ENABLE;
2027 else
2028 val &= ~OV5670_TEST_PATTERN_ENABLE;
2029
2030 return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
2031 OV5670_REG_VALUE_08BIT, val);
2032 }
2033
2034 /* Initialize control handlers */
ov5670_set_ctrl(struct v4l2_ctrl * ctrl)2035 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2036 {
2037 struct ov5670 *ov5670 = container_of(ctrl->handler,
2038 struct ov5670, ctrl_handler);
2039 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2040 s64 max;
2041 int ret;
2042
2043 /* Propagate change of current control to all related controls */
2044 switch (ctrl->id) {
2045 case V4L2_CID_VBLANK:
2046 /* Update max exposure while meeting expected vblanking */
2047 max = ov5670->cur_mode->height + ctrl->val - 8;
2048 __v4l2_ctrl_modify_range(ov5670->exposure,
2049 ov5670->exposure->minimum, max,
2050 ov5670->exposure->step, max);
2051 break;
2052 }
2053
2054 /* V4L2 controls values will be applied only when power is already up */
2055 if (!pm_runtime_get_if_in_use(&client->dev))
2056 return 0;
2057
2058 switch (ctrl->id) {
2059 case V4L2_CID_ANALOGUE_GAIN:
2060 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2061 OV5670_REG_VALUE_16BIT, ctrl->val);
2062 break;
2063 case V4L2_CID_DIGITAL_GAIN:
2064 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2065 break;
2066 case V4L2_CID_EXPOSURE:
2067 /* 4 least significant bits of expsoure are fractional part */
2068 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2069 OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2070 break;
2071 case V4L2_CID_VBLANK:
2072 /* Update VTS that meets expected vertical blanking */
2073 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2074 OV5670_REG_VALUE_16BIT,
2075 ov5670->cur_mode->height + ctrl->val);
2076 break;
2077 case V4L2_CID_TEST_PATTERN:
2078 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2079 break;
2080 case V4L2_CID_HBLANK:
2081 case V4L2_CID_LINK_FREQ:
2082 case V4L2_CID_PIXEL_RATE:
2083 ret = 0;
2084 break;
2085 default:
2086 ret = -EINVAL;
2087 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2088 __func__, ctrl->id, ctrl->val);
2089 break;
2090 }
2091
2092 pm_runtime_put(&client->dev);
2093
2094 return ret;
2095 }
2096
2097 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2098 .s_ctrl = ov5670_set_ctrl,
2099 };
2100
2101 /* Initialize control handlers */
ov5670_init_controls(struct ov5670 * ov5670)2102 static int ov5670_init_controls(struct ov5670 *ov5670)
2103 {
2104 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2105 struct v4l2_fwnode_device_properties props;
2106 struct v4l2_ctrl_handler *ctrl_hdlr;
2107 s64 vblank_max;
2108 s64 vblank_def;
2109 s64 vblank_min;
2110 s64 exposure_max;
2111 int ret;
2112
2113 ctrl_hdlr = &ov5670->ctrl_handler;
2114 ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2115 if (ret)
2116 return ret;
2117
2118 ctrl_hdlr->lock = &ov5670->mutex;
2119 ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2120 &ov5670_ctrl_ops,
2121 V4L2_CID_LINK_FREQ,
2122 0, 0, link_freq_menu_items);
2123 if (ov5670->link_freq)
2124 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2125
2126 /* By default, V4L2_CID_PIXEL_RATE is read only */
2127 ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2128 V4L2_CID_PIXEL_RATE,
2129 link_freq_configs[0].pixel_rate,
2130 link_freq_configs[0].pixel_rate,
2131 1,
2132 link_freq_configs[0].pixel_rate);
2133
2134 vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2135 vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2136 vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2137 ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2138 V4L2_CID_VBLANK, vblank_min,
2139 vblank_max, 1, vblank_def);
2140
2141 ov5670->hblank = v4l2_ctrl_new_std(
2142 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2143 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2144 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2145 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2146 if (ov5670->hblank)
2147 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2148
2149 /* Get min, max, step, default from sensor */
2150 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2151 ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2152 ANALOG_GAIN_DEFAULT);
2153
2154 /* Digital gain */
2155 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2156 OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2157 OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2158
2159 /* Get min, max, step, default from sensor */
2160 exposure_max = ov5670->cur_mode->vts_def - 8;
2161 ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2162 V4L2_CID_EXPOSURE,
2163 OV5670_EXPOSURE_MIN,
2164 exposure_max, OV5670_EXPOSURE_STEP,
2165 exposure_max);
2166
2167 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2168 V4L2_CID_TEST_PATTERN,
2169 ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2170 0, 0, ov5670_test_pattern_menu);
2171
2172 if (ctrl_hdlr->error) {
2173 ret = ctrl_hdlr->error;
2174 goto error;
2175 }
2176
2177 ret = v4l2_fwnode_device_parse(&client->dev, &props);
2178 if (ret)
2179 goto error;
2180
2181 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2182 &props);
2183 if (ret)
2184 goto error;
2185
2186 ov5670->sd.ctrl_handler = ctrl_hdlr;
2187
2188 return 0;
2189
2190 error:
2191 v4l2_ctrl_handler_free(ctrl_hdlr);
2192
2193 return ret;
2194 }
2195
ov5670_init_cfg(struct v4l2_subdev * sd,struct v4l2_subdev_state * state)2196 static int ov5670_init_cfg(struct v4l2_subdev *sd,
2197 struct v4l2_subdev_state *state)
2198 {
2199 struct v4l2_mbus_framefmt *fmt =
2200 v4l2_subdev_get_try_format(sd, state, 0);
2201 const struct ov5670_mode *default_mode = &supported_modes[0];
2202 struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, state, 0);
2203
2204 fmt->width = default_mode->width;
2205 fmt->height = default_mode->height;
2206 fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2207 fmt->field = V4L2_FIELD_NONE;
2208 fmt->colorspace = V4L2_COLORSPACE_SRGB;
2209 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB);
2210 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
2211 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB);
2212
2213 *crop = *default_mode->analog_crop;
2214
2215 return 0;
2216 }
2217
ov5670_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)2218 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2219 struct v4l2_subdev_state *sd_state,
2220 struct v4l2_subdev_mbus_code_enum *code)
2221 {
2222 /* Only one bayer order GRBG is supported */
2223 if (code->index > 0)
2224 return -EINVAL;
2225
2226 code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2227
2228 return 0;
2229 }
2230
ov5670_enum_frame_size(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_frame_size_enum * fse)2231 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2232 struct v4l2_subdev_state *sd_state,
2233 struct v4l2_subdev_frame_size_enum *fse)
2234 {
2235 if (fse->index >= ARRAY_SIZE(supported_modes))
2236 return -EINVAL;
2237
2238 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2239 return -EINVAL;
2240
2241 fse->min_width = supported_modes[fse->index].width;
2242 fse->max_width = fse->min_width;
2243 fse->min_height = supported_modes[fse->index].height;
2244 fse->max_height = fse->min_height;
2245
2246 return 0;
2247 }
2248
ov5670_update_pad_format(const struct ov5670_mode * mode,struct v4l2_subdev_format * fmt)2249 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2250 struct v4l2_subdev_format *fmt)
2251 {
2252 fmt->format.width = mode->width;
2253 fmt->format.height = mode->height;
2254 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2255 fmt->format.field = V4L2_FIELD_NONE;
2256 }
2257
ov5670_do_get_pad_format(struct ov5670 * ov5670,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2258 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2259 struct v4l2_subdev_state *sd_state,
2260 struct v4l2_subdev_format *fmt)
2261 {
2262 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2263 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd,
2264 sd_state,
2265 fmt->pad);
2266 else
2267 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2268
2269 return 0;
2270 }
2271
ov5670_get_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2272 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2273 struct v4l2_subdev_state *sd_state,
2274 struct v4l2_subdev_format *fmt)
2275 {
2276 struct ov5670 *ov5670 = to_ov5670(sd);
2277 int ret;
2278
2279 mutex_lock(&ov5670->mutex);
2280 ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt);
2281 mutex_unlock(&ov5670->mutex);
2282
2283 return ret;
2284 }
2285
ov5670_set_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2286 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2287 struct v4l2_subdev_state *sd_state,
2288 struct v4l2_subdev_format *fmt)
2289 {
2290 struct ov5670 *ov5670 = to_ov5670(sd);
2291 const struct ov5670_mode *mode;
2292 s32 vblank_def;
2293 s32 h_blank;
2294
2295 mutex_lock(&ov5670->mutex);
2296
2297 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2298
2299 mode = v4l2_find_nearest_size(supported_modes,
2300 ARRAY_SIZE(supported_modes),
2301 width, height,
2302 fmt->format.width, fmt->format.height);
2303 ov5670_update_pad_format(mode, fmt);
2304 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2305 *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
2306 } else {
2307 ov5670->cur_mode = mode;
2308 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2309 __v4l2_ctrl_s_ctrl_int64(
2310 ov5670->pixel_rate,
2311 link_freq_configs[mode->link_freq_index].pixel_rate);
2312 /* Update limits and set FPS to default */
2313 vblank_def = ov5670->cur_mode->vts_def -
2314 ov5670->cur_mode->height;
2315 __v4l2_ctrl_modify_range(
2316 ov5670->vblank,
2317 ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2318 OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2319 vblank_def);
2320 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2321 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2322 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2323 h_blank);
2324 }
2325
2326 mutex_unlock(&ov5670->mutex);
2327
2328 return 0;
2329 }
2330
ov5670_get_skip_frames(struct v4l2_subdev * sd,u32 * frames)2331 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2332 {
2333 *frames = OV5670_NUM_OF_SKIP_FRAMES;
2334
2335 return 0;
2336 }
2337
2338 /* Verify chip ID */
ov5670_identify_module(struct ov5670 * ov5670)2339 static int ov5670_identify_module(struct ov5670 *ov5670)
2340 {
2341 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2342 int ret;
2343 u32 val;
2344
2345 if (ov5670->identified)
2346 return 0;
2347
2348 ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2349 OV5670_REG_VALUE_24BIT, &val);
2350 if (ret)
2351 return ret;
2352
2353 if (val != OV5670_CHIP_ID) {
2354 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2355 OV5670_CHIP_ID, val);
2356 return -ENXIO;
2357 }
2358
2359 ov5670->identified = true;
2360
2361 return 0;
2362 }
2363
2364 /* Prepare streaming by writing default values and customized values */
ov5670_start_streaming(struct ov5670 * ov5670)2365 static int ov5670_start_streaming(struct ov5670 *ov5670)
2366 {
2367 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2368 const struct ov5670_reg_list *reg_list;
2369 int link_freq_index;
2370 int ret;
2371
2372 ret = ov5670_identify_module(ov5670);
2373 if (ret)
2374 return ret;
2375
2376 /* Get out of from software reset */
2377 ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2378 OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2379 if (ret) {
2380 dev_err(&client->dev, "%s failed to set powerup registers\n",
2381 __func__);
2382 return ret;
2383 }
2384
2385 /* Setup PLL */
2386 link_freq_index = ov5670->cur_mode->link_freq_index;
2387 reg_list = &link_freq_configs[link_freq_index].reg_list;
2388 ret = ov5670_write_reg_list(ov5670, reg_list);
2389 if (ret) {
2390 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2391 return ret;
2392 }
2393
2394 /* Apply default values of current mode */
2395 reg_list = &ov5670->cur_mode->reg_list;
2396 ret = ov5670_write_reg_list(ov5670, reg_list);
2397 if (ret) {
2398 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2399 return ret;
2400 }
2401
2402 ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2403 if (ret)
2404 return ret;
2405
2406 /* Write stream on list */
2407 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2408 OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2409 if (ret) {
2410 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2411 return ret;
2412 }
2413
2414 return 0;
2415 }
2416
ov5670_stop_streaming(struct ov5670 * ov5670)2417 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2418 {
2419 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2420 int ret;
2421
2422 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2423 OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2424 if (ret)
2425 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2426
2427 /* Return success even if it was an error, as there is nothing the
2428 * caller can do about it.
2429 */
2430 return 0;
2431 }
2432
ov5670_set_stream(struct v4l2_subdev * sd,int enable)2433 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2434 {
2435 struct ov5670 *ov5670 = to_ov5670(sd);
2436 struct i2c_client *client = v4l2_get_subdevdata(sd);
2437 int ret = 0;
2438
2439 mutex_lock(&ov5670->mutex);
2440 if (ov5670->streaming == enable)
2441 goto unlock_and_return;
2442
2443 if (enable) {
2444 ret = pm_runtime_resume_and_get(&client->dev);
2445 if (ret < 0)
2446 goto unlock_and_return;
2447
2448 ret = ov5670_start_streaming(ov5670);
2449 if (ret)
2450 goto error;
2451 } else {
2452 ret = ov5670_stop_streaming(ov5670);
2453 pm_runtime_put(&client->dev);
2454 }
2455 ov5670->streaming = enable;
2456 goto unlock_and_return;
2457
2458 error:
2459 pm_runtime_put(&client->dev);
2460
2461 unlock_and_return:
2462 mutex_unlock(&ov5670->mutex);
2463
2464 return ret;
2465 }
2466
ov5670_runtime_resume(struct device * dev)2467 static int __maybe_unused ov5670_runtime_resume(struct device *dev)
2468 {
2469 struct i2c_client *client = to_i2c_client(dev);
2470 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2471 struct ov5670 *ov5670 = to_ov5670(sd);
2472 unsigned long delay_us;
2473 int ret;
2474
2475 ret = clk_prepare_enable(ov5670->xvclk);
2476 if (ret)
2477 return ret;
2478
2479 ret = regulator_bulk_enable(OV5670_NUM_SUPPLIES, ov5670->supplies);
2480 if (ret) {
2481 clk_disable_unprepare(ov5670->xvclk);
2482 return ret;
2483 }
2484
2485 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 0);
2486 gpiod_set_value_cansleep(ov5670->reset_gpio, 0);
2487
2488 /* 8192 * 2 clock pulses before the first SCCB transaction. */
2489 delay_us = DIV_ROUND_UP(8192 * 2 * 1000,
2490 DIV_ROUND_UP(OV5670_XVCLK_FREQ, 1000));
2491 fsleep(delay_us);
2492
2493 return 0;
2494 }
2495
ov5670_runtime_suspend(struct device * dev)2496 static int __maybe_unused ov5670_runtime_suspend(struct device *dev)
2497 {
2498 struct i2c_client *client = to_i2c_client(dev);
2499 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2500 struct ov5670 *ov5670 = to_ov5670(sd);
2501
2502 gpiod_set_value_cansleep(ov5670->reset_gpio, 1);
2503 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 1);
2504 regulator_bulk_disable(OV5670_NUM_SUPPLIES, ov5670->supplies);
2505 clk_disable_unprepare(ov5670->xvclk);
2506
2507 return 0;
2508 }
2509
ov5670_suspend(struct device * dev)2510 static int __maybe_unused ov5670_suspend(struct device *dev)
2511 {
2512 struct v4l2_subdev *sd = dev_get_drvdata(dev);
2513 struct ov5670 *ov5670 = to_ov5670(sd);
2514
2515 if (ov5670->streaming)
2516 ov5670_stop_streaming(ov5670);
2517
2518 return 0;
2519 }
2520
ov5670_resume(struct device * dev)2521 static int __maybe_unused ov5670_resume(struct device *dev)
2522 {
2523 struct v4l2_subdev *sd = dev_get_drvdata(dev);
2524 struct ov5670 *ov5670 = to_ov5670(sd);
2525 int ret;
2526
2527 if (ov5670->streaming) {
2528 ret = ov5670_start_streaming(ov5670);
2529 if (ret) {
2530 ov5670_stop_streaming(ov5670);
2531 return ret;
2532 }
2533 }
2534
2535 return 0;
2536 }
2537
2538 static const struct v4l2_subdev_core_ops ov5670_core_ops = {
2539 .log_status = v4l2_ctrl_subdev_log_status,
2540 .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
2541 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
2542 };
2543
2544 static const struct v4l2_rect *
__ov5670_get_pad_crop(struct ov5670 * sensor,struct v4l2_subdev_state * state,unsigned int pad,enum v4l2_subdev_format_whence which)2545 __ov5670_get_pad_crop(struct ov5670 *sensor, struct v4l2_subdev_state *state,
2546 unsigned int pad, enum v4l2_subdev_format_whence which)
2547 {
2548 const struct ov5670_mode *mode = sensor->cur_mode;
2549
2550 switch (which) {
2551 case V4L2_SUBDEV_FORMAT_TRY:
2552 return v4l2_subdev_get_try_crop(&sensor->sd, state, pad);
2553 case V4L2_SUBDEV_FORMAT_ACTIVE:
2554 return mode->analog_crop;
2555 }
2556
2557 return NULL;
2558 }
2559
ov5670_get_selection(struct v4l2_subdev * subdev,struct v4l2_subdev_state * state,struct v4l2_subdev_selection * sel)2560 static int ov5670_get_selection(struct v4l2_subdev *subdev,
2561 struct v4l2_subdev_state *state,
2562 struct v4l2_subdev_selection *sel)
2563 {
2564 struct ov5670 *sensor = to_ov5670(subdev);
2565
2566 switch (sel->target) {
2567 case V4L2_SEL_TGT_CROP:
2568 mutex_lock(&sensor->mutex);
2569 sel->r = *__ov5670_get_pad_crop(sensor, state, sel->pad,
2570 sel->which);
2571 mutex_unlock(&sensor->mutex);
2572 break;
2573 case V4L2_SEL_TGT_NATIVE_SIZE:
2574 case V4L2_SEL_TGT_CROP_BOUNDS:
2575 sel->r.top = 0;
2576 sel->r.left = 0;
2577 sel->r.width = OV5670_NATIVE_WIDTH;
2578 sel->r.height = OV5670_NATIVE_HEIGHT;
2579 break;
2580 case V4L2_SEL_TGT_CROP_DEFAULT:
2581 sel->r = ov5670_analog_crop;
2582 break;
2583 default:
2584 return -EINVAL;
2585 }
2586
2587 return 0;
2588 }
2589
2590 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2591 .s_stream = ov5670_set_stream,
2592 };
2593
2594 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2595 .init_cfg = ov5670_init_cfg,
2596 .enum_mbus_code = ov5670_enum_mbus_code,
2597 .get_fmt = ov5670_get_pad_format,
2598 .set_fmt = ov5670_set_pad_format,
2599 .enum_frame_size = ov5670_enum_frame_size,
2600 .get_selection = ov5670_get_selection,
2601 .set_selection = ov5670_get_selection,
2602 };
2603
2604 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2605 .g_skip_frames = ov5670_get_skip_frames,
2606 };
2607
2608 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2609 .core = &ov5670_core_ops,
2610 .video = &ov5670_video_ops,
2611 .pad = &ov5670_pad_ops,
2612 .sensor = &ov5670_sensor_ops,
2613 };
2614
2615 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2616 .link_validate = v4l2_subdev_link_validate,
2617 };
2618
ov5670_regulators_probe(struct ov5670 * ov5670)2619 static int ov5670_regulators_probe(struct ov5670 *ov5670)
2620 {
2621 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2622 unsigned int i;
2623
2624 for (i = 0; i < OV5670_NUM_SUPPLIES; i++)
2625 ov5670->supplies[i].supply = ov5670_supply_names[i];
2626
2627 return devm_regulator_bulk_get(&client->dev, OV5670_NUM_SUPPLIES,
2628 ov5670->supplies);
2629 }
2630
ov5670_gpio_probe(struct ov5670 * ov5670)2631 static int ov5670_gpio_probe(struct ov5670 *ov5670)
2632 {
2633 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2634
2635 ov5670->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
2636 GPIOD_OUT_LOW);
2637 if (IS_ERR(ov5670->pwdn_gpio))
2638 return PTR_ERR(ov5670->pwdn_gpio);
2639
2640 ov5670->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset",
2641 GPIOD_OUT_LOW);
2642 if (IS_ERR(ov5670->reset_gpio))
2643 return PTR_ERR(ov5670->reset_gpio);
2644
2645 return 0;
2646 }
2647
ov5670_probe(struct i2c_client * client)2648 static int ov5670_probe(struct i2c_client *client)
2649 {
2650 struct ov5670 *ov5670;
2651 const char *err_msg;
2652 u32 input_clk = 0;
2653 bool full_power;
2654 int ret;
2655
2656 ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2657 if (!ov5670) {
2658 ret = -ENOMEM;
2659 err_msg = "devm_kzalloc() error";
2660 goto error_print;
2661 }
2662
2663 ov5670->xvclk = devm_clk_get(&client->dev, NULL);
2664 if (!IS_ERR_OR_NULL(ov5670->xvclk))
2665 input_clk = clk_get_rate(ov5670->xvclk);
2666 else if (PTR_ERR(ov5670->xvclk) == -ENOENT)
2667 device_property_read_u32(&client->dev, "clock-frequency",
2668 &input_clk);
2669 else
2670 return dev_err_probe(&client->dev, PTR_ERR(ov5670->xvclk),
2671 "error getting clock\n");
2672
2673 if (input_clk != OV5670_XVCLK_FREQ) {
2674 dev_err(&client->dev,
2675 "Unsupported clock frequency %u\n", input_clk);
2676 return -EINVAL;
2677 }
2678
2679 /* Initialize subdev */
2680 v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2681
2682 ret = ov5670_regulators_probe(ov5670);
2683 if (ret) {
2684 err_msg = "Regulators probe failed";
2685 goto error_print;
2686 }
2687
2688 ret = ov5670_gpio_probe(ov5670);
2689 if (ret) {
2690 err_msg = "GPIO probe failed";
2691 goto error_print;
2692 }
2693
2694 full_power = acpi_dev_state_d0(&client->dev);
2695 if (full_power) {
2696 ret = ov5670_runtime_resume(&client->dev);
2697 if (ret) {
2698 err_msg = "Power up failed";
2699 goto error_print;
2700 }
2701
2702 /* Check module identity */
2703 ret = ov5670_identify_module(ov5670);
2704 if (ret) {
2705 err_msg = "ov5670_identify_module() error";
2706 goto error_power_off;
2707 }
2708 }
2709
2710 mutex_init(&ov5670->mutex);
2711
2712 /* Set default mode to max resolution */
2713 ov5670->cur_mode = &supported_modes[0];
2714
2715 ret = ov5670_init_controls(ov5670);
2716 if (ret) {
2717 err_msg = "ov5670_init_controls() error";
2718 goto error_mutex_destroy;
2719 }
2720
2721 ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
2722 V4L2_SUBDEV_FL_HAS_EVENTS;
2723 ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2724 ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2725
2726 /* Source pad initialization */
2727 ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2728 ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2729 if (ret) {
2730 err_msg = "media_entity_pads_init() error";
2731 goto error_handler_free;
2732 }
2733
2734 ov5670->streaming = false;
2735
2736 /* Set the device's state to active if it's in D0 state. */
2737 if (full_power)
2738 pm_runtime_set_active(&client->dev);
2739 pm_runtime_enable(&client->dev);
2740
2741 /* Async register for subdev */
2742 ret = v4l2_async_register_subdev_sensor(&ov5670->sd);
2743 if (ret < 0) {
2744 err_msg = "v4l2_async_register_subdev() error";
2745 goto error_pm_disable;
2746 }
2747
2748 pm_runtime_idle(&client->dev);
2749
2750 return 0;
2751
2752 error_pm_disable:
2753 pm_runtime_disable(&client->dev);
2754
2755 media_entity_cleanup(&ov5670->sd.entity);
2756
2757 error_handler_free:
2758 v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2759
2760 error_mutex_destroy:
2761 mutex_destroy(&ov5670->mutex);
2762
2763 error_power_off:
2764 if (full_power)
2765 ov5670_runtime_suspend(&client->dev);
2766
2767 error_print:
2768 dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2769
2770 return ret;
2771 }
2772
ov5670_remove(struct i2c_client * client)2773 static void ov5670_remove(struct i2c_client *client)
2774 {
2775 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2776 struct ov5670 *ov5670 = to_ov5670(sd);
2777
2778 v4l2_async_unregister_subdev(sd);
2779 media_entity_cleanup(&sd->entity);
2780 v4l2_ctrl_handler_free(sd->ctrl_handler);
2781 mutex_destroy(&ov5670->mutex);
2782
2783 pm_runtime_disable(&client->dev);
2784 ov5670_runtime_suspend(&client->dev);
2785 }
2786
2787 static const struct dev_pm_ops ov5670_pm_ops = {
2788 SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2789 SET_RUNTIME_PM_OPS(ov5670_runtime_suspend, ov5670_runtime_resume, NULL)
2790 };
2791
2792 #ifdef CONFIG_ACPI
2793 static const struct acpi_device_id ov5670_acpi_ids[] = {
2794 { "INT3479" },
2795 { /* sentinel */ }
2796 };
2797
2798 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2799 #endif
2800
2801 static const struct of_device_id ov5670_of_ids[] = {
2802 { .compatible = "ovti,ov5670" },
2803 { /* sentinel */ }
2804 };
2805 MODULE_DEVICE_TABLE(of, ov5670_of_ids);
2806
2807 static struct i2c_driver ov5670_i2c_driver = {
2808 .driver = {
2809 .name = "ov5670",
2810 .pm = &ov5670_pm_ops,
2811 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2812 .of_match_table = ov5670_of_ids,
2813 },
2814 .probe_new = ov5670_probe,
2815 .remove = ov5670_remove,
2816 .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE,
2817 };
2818
2819 module_i2c_driver(ov5670_i2c_driver);
2820
2821 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2822 MODULE_AUTHOR("Yang, Hyungwoo");
2823 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2824 MODULE_LICENSE("GPL v2");
2825