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 #define OV5670_MIPI_SC_CTRL0_REG 0x3018
33 #define OV5670_MIPI_SC_CTRL0_LANES(v) ((((v) - 1) << 5) & \
34 GENMASK(7, 5))
35 #define OV5670_MIPI_SC_CTRL0_MIPI_EN BIT(4)
36 #define OV5670_MIPI_SC_CTRL0_RESERVED BIT(1)
37
38 /* vertical-timings from sensor */
39 #define OV5670_REG_VTS 0x380e
40 #define OV5670_VTS_30FPS 0x0808 /* default for 30 fps */
41 #define OV5670_VTS_MAX 0xffff
42
43 /* horizontal-timings from sensor */
44 #define OV5670_REG_HTS 0x380c
45
46 /*
47 * Pixels-per-line(PPL) = Time-per-line * pixel-rate
48 * In OV5670, Time-per-line = HTS/SCLK.
49 * HTS is fixed for all resolutions, not recommended to change.
50 */
51 #define OV5670_FIXED_PPL 2724 /* Pixels per line */
52
53 /* Exposure controls from sensor */
54 #define OV5670_REG_EXPOSURE 0x3500
55 #define OV5670_EXPOSURE_MIN 4
56 #define OV5670_EXPOSURE_STEP 1
57
58 /* Analog gain controls from sensor */
59 #define OV5670_REG_ANALOG_GAIN 0x3508
60 #define ANALOG_GAIN_MIN 0
61 #define ANALOG_GAIN_MAX 8191
62 #define ANALOG_GAIN_STEP 1
63 #define ANALOG_GAIN_DEFAULT 128
64
65 /* Digital gain controls from sensor */
66 #define OV5670_REG_R_DGTL_GAIN 0x5032
67 #define OV5670_REG_G_DGTL_GAIN 0x5034
68 #define OV5670_REG_B_DGTL_GAIN 0x5036
69 #define OV5670_DGTL_GAIN_MIN 0
70 #define OV5670_DGTL_GAIN_MAX 4095
71 #define OV5670_DGTL_GAIN_STEP 1
72 #define OV5670_DGTL_GAIN_DEFAULT 1024
73
74 /* Test Pattern Control */
75 #define OV5670_REG_TEST_PATTERN 0x4303
76 #define OV5670_TEST_PATTERN_ENABLE BIT(3)
77 #define OV5670_REG_TEST_PATTERN_CTRL 0x4320
78
79 #define OV5670_REG_VALUE_08BIT 1
80 #define OV5670_REG_VALUE_16BIT 2
81 #define OV5670_REG_VALUE_24BIT 3
82
83 /* Pixel Array */
84 #define OV5670_NATIVE_WIDTH 2624
85 #define OV5670_NATIVE_HEIGHT 1980
86
87 /* Initial number of frames to skip to avoid possible garbage */
88 #define OV5670_NUM_OF_SKIP_FRAMES 2
89
90 struct ov5670_reg {
91 u16 address;
92 u8 val;
93 };
94
95 struct ov5670_reg_list {
96 u32 num_of_regs;
97 const struct ov5670_reg *regs;
98 };
99
100 struct ov5670_link_freq_config {
101 const struct ov5670_reg_list reg_list;
102 };
103
104 static const char * const ov5670_supply_names[] = {
105 "avdd", /* Analog power */
106 "dvdd", /* Digital power */
107 "dovdd", /* Digital output power */
108 };
109
110 #define OV5670_NUM_SUPPLIES ARRAY_SIZE(ov5670_supply_names)
111
112 struct ov5670_mode {
113 /* Frame width in pixels */
114 u32 width;
115
116 /* Frame height in pixels */
117 u32 height;
118
119 /* Default vertical timining size */
120 u32 vts_def;
121
122 /* Min vertical timining size */
123 u32 vts_min;
124
125 /* Link frequency needed for this resolution */
126 u32 link_freq_index;
127
128 /* Analog crop rectangle */
129 const struct v4l2_rect *analog_crop;
130
131 /* Sensor register settings for this resolution */
132 const struct ov5670_reg_list reg_list;
133 };
134
135 /*
136 * All the modes supported by the driver are obtained by subsampling the
137 * full pixel array. The below values are reflected in registers from
138 * 0x3800-0x3807 in the modes register-value tables.
139 */
140 static const struct v4l2_rect ov5670_analog_crop = {
141 .left = 12,
142 .top = 4,
143 .width = 2600,
144 .height = 1952,
145 };
146
147 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
148 {0x0300, 0x04},
149 {0x0301, 0x00},
150 {0x0302, 0x84},
151 {0x0303, 0x00},
152 {0x0304, 0x03},
153 {0x0305, 0x01},
154 {0x0306, 0x01},
155 {0x030a, 0x00},
156 {0x030b, 0x00},
157 {0x030c, 0x00},
158 {0x030d, 0x26},
159 {0x030e, 0x00},
160 {0x030f, 0x06},
161 {0x0312, 0x01},
162 {0x3031, 0x0a},
163 };
164
165 static const struct ov5670_reg mode_2592x1944_regs[] = {
166 {0x3000, 0x00},
167 {0x3002, 0x21},
168 {0x3005, 0xf0},
169 {0x3007, 0x00},
170 {0x3015, 0x0f},
171 {0x301a, 0xf0},
172 {0x301b, 0xf0},
173 {0x301c, 0xf0},
174 {0x301d, 0xf0},
175 {0x301e, 0xf0},
176 {0x3030, 0x00},
177 {0x3031, 0x0a},
178 {0x303c, 0xff},
179 {0x303e, 0xff},
180 {0x3040, 0xf0},
181 {0x3041, 0x00},
182 {0x3042, 0xf0},
183 {0x3106, 0x11},
184 {0x3500, 0x00},
185 {0x3501, 0x80},
186 {0x3502, 0x00},
187 {0x3503, 0x04},
188 {0x3504, 0x03},
189 {0x3505, 0x83},
190 {0x3508, 0x04},
191 {0x3509, 0x00},
192 {0x350e, 0x04},
193 {0x350f, 0x00},
194 {0x3510, 0x00},
195 {0x3511, 0x02},
196 {0x3512, 0x00},
197 {0x3601, 0xc8},
198 {0x3610, 0x88},
199 {0x3612, 0x48},
200 {0x3614, 0x5b},
201 {0x3615, 0x96},
202 {0x3621, 0xd0},
203 {0x3622, 0x00},
204 {0x3623, 0x00},
205 {0x3633, 0x13},
206 {0x3634, 0x13},
207 {0x3635, 0x13},
208 {0x3636, 0x13},
209 {0x3645, 0x13},
210 {0x3646, 0x82},
211 {0x3650, 0x00},
212 {0x3652, 0xff},
213 {0x3655, 0x20},
214 {0x3656, 0xff},
215 {0x365a, 0xff},
216 {0x365e, 0xff},
217 {0x3668, 0x00},
218 {0x366a, 0x07},
219 {0x366e, 0x10},
220 {0x366d, 0x00},
221 {0x366f, 0x80},
222 {0x3700, 0x28},
223 {0x3701, 0x10},
224 {0x3702, 0x3a},
225 {0x3703, 0x19},
226 {0x3704, 0x10},
227 {0x3705, 0x00},
228 {0x3706, 0x66},
229 {0x3707, 0x08},
230 {0x3708, 0x34},
231 {0x3709, 0x40},
232 {0x370a, 0x01},
233 {0x370b, 0x1b},
234 {0x3714, 0x24},
235 {0x371a, 0x3e},
236 {0x3733, 0x00},
237 {0x3734, 0x00},
238 {0x373a, 0x05},
239 {0x373b, 0x06},
240 {0x373c, 0x0a},
241 {0x373f, 0xa0},
242 {0x3755, 0x00},
243 {0x3758, 0x00},
244 {0x375b, 0x0e},
245 {0x3766, 0x5f},
246 {0x3768, 0x00},
247 {0x3769, 0x22},
248 {0x3773, 0x08},
249 {0x3774, 0x1f},
250 {0x3776, 0x06},
251 {0x37a0, 0x88},
252 {0x37a1, 0x5c},
253 {0x37a7, 0x88},
254 {0x37a8, 0x70},
255 {0x37aa, 0x88},
256 {0x37ab, 0x48},
257 {0x37b3, 0x66},
258 {0x37c2, 0x04},
259 {0x37c5, 0x00},
260 {0x37c8, 0x00},
261 {0x3800, 0x00},
262 {0x3801, 0x0c},
263 {0x3802, 0x00},
264 {0x3803, 0x04},
265 {0x3804, 0x0a},
266 {0x3805, 0x33},
267 {0x3806, 0x07},
268 {0x3807, 0xa3},
269 {0x3808, 0x0a},
270 {0x3809, 0x20},
271 {0x380a, 0x07},
272 {0x380b, 0x98},
273 {0x380c, 0x06},
274 {0x380d, 0x90},
275 {0x380e, 0x08},
276 {0x380f, 0x08},
277 {0x3811, 0x04},
278 {0x3813, 0x02},
279 {0x3814, 0x01},
280 {0x3815, 0x01},
281 {0x3816, 0x00},
282 {0x3817, 0x00},
283 {0x3818, 0x00},
284 {0x3819, 0x00},
285 {0x3820, 0x84},
286 {0x3821, 0x46},
287 {0x3822, 0x48},
288 {0x3826, 0x00},
289 {0x3827, 0x08},
290 {0x382a, 0x01},
291 {0x382b, 0x01},
292 {0x3830, 0x08},
293 {0x3836, 0x02},
294 {0x3837, 0x00},
295 {0x3838, 0x10},
296 {0x3841, 0xff},
297 {0x3846, 0x48},
298 {0x3861, 0x00},
299 {0x3862, 0x04},
300 {0x3863, 0x06},
301 {0x3a11, 0x01},
302 {0x3a12, 0x78},
303 {0x3b00, 0x00},
304 {0x3b02, 0x00},
305 {0x3b03, 0x00},
306 {0x3b04, 0x00},
307 {0x3b05, 0x00},
308 {0x3c00, 0x89},
309 {0x3c01, 0xab},
310 {0x3c02, 0x01},
311 {0x3c03, 0x00},
312 {0x3c04, 0x00},
313 {0x3c05, 0x03},
314 {0x3c06, 0x00},
315 {0x3c07, 0x05},
316 {0x3c0c, 0x00},
317 {0x3c0d, 0x00},
318 {0x3c0e, 0x00},
319 {0x3c0f, 0x00},
320 {0x3c40, 0x00},
321 {0x3c41, 0xa3},
322 {0x3c43, 0x7d},
323 {0x3c45, 0xd7},
324 {0x3c47, 0xfc},
325 {0x3c50, 0x05},
326 {0x3c52, 0xaa},
327 {0x3c54, 0x71},
328 {0x3c56, 0x80},
329 {0x3d85, 0x17},
330 {0x3f03, 0x00},
331 {0x3f0a, 0x00},
332 {0x3f0b, 0x00},
333 {0x4001, 0x60},
334 {0x4009, 0x0d},
335 {0x4020, 0x00},
336 {0x4021, 0x00},
337 {0x4022, 0x00},
338 {0x4023, 0x00},
339 {0x4024, 0x00},
340 {0x4025, 0x00},
341 {0x4026, 0x00},
342 {0x4027, 0x00},
343 {0x4028, 0x00},
344 {0x4029, 0x00},
345 {0x402a, 0x00},
346 {0x402b, 0x00},
347 {0x402c, 0x00},
348 {0x402d, 0x00},
349 {0x402e, 0x00},
350 {0x402f, 0x00},
351 {0x4040, 0x00},
352 {0x4041, 0x03},
353 {0x4042, 0x00},
354 {0x4043, 0x7A},
355 {0x4044, 0x00},
356 {0x4045, 0x7A},
357 {0x4046, 0x00},
358 {0x4047, 0x7A},
359 {0x4048, 0x00},
360 {0x4049, 0x7A},
361 {0x4307, 0x30},
362 {0x4500, 0x58},
363 {0x4501, 0x04},
364 {0x4502, 0x40},
365 {0x4503, 0x10},
366 {0x4508, 0xaa},
367 {0x4509, 0xaa},
368 {0x450a, 0x00},
369 {0x450b, 0x00},
370 {0x4600, 0x01},
371 {0x4601, 0x03},
372 {0x4700, 0xa4},
373 {0x4800, 0x4c},
374 {0x4816, 0x53},
375 {0x481f, 0x40},
376 {0x4837, 0x13},
377 {0x5000, 0x56},
378 {0x5001, 0x01},
379 {0x5002, 0x28},
380 {0x5004, 0x0c},
381 {0x5006, 0x0c},
382 {0x5007, 0xe0},
383 {0x5008, 0x01},
384 {0x5009, 0xb0},
385 {0x5901, 0x00},
386 {0x5a01, 0x00},
387 {0x5a03, 0x00},
388 {0x5a04, 0x0c},
389 {0x5a05, 0xe0},
390 {0x5a06, 0x09},
391 {0x5a07, 0xb0},
392 {0x5a08, 0x06},
393 {0x5e00, 0x00},
394 {0x3734, 0x40},
395 {0x5b00, 0x01},
396 {0x5b01, 0x10},
397 {0x5b02, 0x01},
398 {0x5b03, 0xdb},
399 {0x3d8c, 0x71},
400 {0x3d8d, 0xea},
401 {0x4017, 0x08},
402 {0x3618, 0x2a},
403 {0x5780, 0x3e},
404 {0x5781, 0x0f},
405 {0x5782, 0x44},
406 {0x5783, 0x02},
407 {0x5784, 0x01},
408 {0x5785, 0x01},
409 {0x5786, 0x00},
410 {0x5787, 0x04},
411 {0x5788, 0x02},
412 {0x5789, 0x0f},
413 {0x578a, 0xfd},
414 {0x578b, 0xf5},
415 {0x578c, 0xf5},
416 {0x578d, 0x03},
417 {0x578e, 0x08},
418 {0x578f, 0x0c},
419 {0x5790, 0x08},
420 {0x5791, 0x06},
421 {0x5792, 0x00},
422 {0x5793, 0x52},
423 {0x5794, 0xa3},
424 {0x3503, 0x00},
425 {0x5045, 0x05},
426 {0x4003, 0x40},
427 {0x5048, 0x40}
428 };
429
430 static const struct ov5670_reg mode_1296x972_regs[] = {
431 {0x3000, 0x00},
432 {0x3002, 0x21},
433 {0x3005, 0xf0},
434 {0x3007, 0x00},
435 {0x3015, 0x0f},
436 {0x301a, 0xf0},
437 {0x301b, 0xf0},
438 {0x301c, 0xf0},
439 {0x301d, 0xf0},
440 {0x301e, 0xf0},
441 {0x3030, 0x00},
442 {0x3031, 0x0a},
443 {0x303c, 0xff},
444 {0x303e, 0xff},
445 {0x3040, 0xf0},
446 {0x3041, 0x00},
447 {0x3042, 0xf0},
448 {0x3106, 0x11},
449 {0x3500, 0x00},
450 {0x3501, 0x80},
451 {0x3502, 0x00},
452 {0x3503, 0x04},
453 {0x3504, 0x03},
454 {0x3505, 0x83},
455 {0x3508, 0x07},
456 {0x3509, 0x80},
457 {0x350e, 0x04},
458 {0x350f, 0x00},
459 {0x3510, 0x00},
460 {0x3511, 0x02},
461 {0x3512, 0x00},
462 {0x3601, 0xc8},
463 {0x3610, 0x88},
464 {0x3612, 0x48},
465 {0x3614, 0x5b},
466 {0x3615, 0x96},
467 {0x3621, 0xd0},
468 {0x3622, 0x00},
469 {0x3623, 0x00},
470 {0x3633, 0x13},
471 {0x3634, 0x13},
472 {0x3635, 0x13},
473 {0x3636, 0x13},
474 {0x3645, 0x13},
475 {0x3646, 0x82},
476 {0x3650, 0x00},
477 {0x3652, 0xff},
478 {0x3655, 0x20},
479 {0x3656, 0xff},
480 {0x365a, 0xff},
481 {0x365e, 0xff},
482 {0x3668, 0x00},
483 {0x366a, 0x07},
484 {0x366e, 0x08},
485 {0x366d, 0x00},
486 {0x366f, 0x80},
487 {0x3700, 0x28},
488 {0x3701, 0x10},
489 {0x3702, 0x3a},
490 {0x3703, 0x19},
491 {0x3704, 0x10},
492 {0x3705, 0x00},
493 {0x3706, 0x66},
494 {0x3707, 0x08},
495 {0x3708, 0x34},
496 {0x3709, 0x40},
497 {0x370a, 0x01},
498 {0x370b, 0x1b},
499 {0x3714, 0x24},
500 {0x371a, 0x3e},
501 {0x3733, 0x00},
502 {0x3734, 0x00},
503 {0x373a, 0x05},
504 {0x373b, 0x06},
505 {0x373c, 0x0a},
506 {0x373f, 0xa0},
507 {0x3755, 0x00},
508 {0x3758, 0x00},
509 {0x375b, 0x0e},
510 {0x3766, 0x5f},
511 {0x3768, 0x00},
512 {0x3769, 0x22},
513 {0x3773, 0x08},
514 {0x3774, 0x1f},
515 {0x3776, 0x06},
516 {0x37a0, 0x88},
517 {0x37a1, 0x5c},
518 {0x37a7, 0x88},
519 {0x37a8, 0x70},
520 {0x37aa, 0x88},
521 {0x37ab, 0x48},
522 {0x37b3, 0x66},
523 {0x37c2, 0x04},
524 {0x37c5, 0x00},
525 {0x37c8, 0x00},
526 {0x3800, 0x00},
527 {0x3801, 0x0c},
528 {0x3802, 0x00},
529 {0x3803, 0x04},
530 {0x3804, 0x0a},
531 {0x3805, 0x33},
532 {0x3806, 0x07},
533 {0x3807, 0xa3},
534 {0x3808, 0x05},
535 {0x3809, 0x10},
536 {0x380a, 0x03},
537 {0x380b, 0xcc},
538 {0x380c, 0x06},
539 {0x380d, 0x90},
540 {0x380e, 0x08},
541 {0x380f, 0x08},
542 {0x3811, 0x04},
543 {0x3813, 0x04},
544 {0x3814, 0x03},
545 {0x3815, 0x01},
546 {0x3816, 0x00},
547 {0x3817, 0x00},
548 {0x3818, 0x00},
549 {0x3819, 0x00},
550 {0x3820, 0x94},
551 {0x3821, 0x47},
552 {0x3822, 0x48},
553 {0x3826, 0x00},
554 {0x3827, 0x08},
555 {0x382a, 0x03},
556 {0x382b, 0x01},
557 {0x3830, 0x08},
558 {0x3836, 0x02},
559 {0x3837, 0x00},
560 {0x3838, 0x10},
561 {0x3841, 0xff},
562 {0x3846, 0x48},
563 {0x3861, 0x00},
564 {0x3862, 0x04},
565 {0x3863, 0x06},
566 {0x3a11, 0x01},
567 {0x3a12, 0x78},
568 {0x3b00, 0x00},
569 {0x3b02, 0x00},
570 {0x3b03, 0x00},
571 {0x3b04, 0x00},
572 {0x3b05, 0x00},
573 {0x3c00, 0x89},
574 {0x3c01, 0xab},
575 {0x3c02, 0x01},
576 {0x3c03, 0x00},
577 {0x3c04, 0x00},
578 {0x3c05, 0x03},
579 {0x3c06, 0x00},
580 {0x3c07, 0x05},
581 {0x3c0c, 0x00},
582 {0x3c0d, 0x00},
583 {0x3c0e, 0x00},
584 {0x3c0f, 0x00},
585 {0x3c40, 0x00},
586 {0x3c41, 0xa3},
587 {0x3c43, 0x7d},
588 {0x3c45, 0xd7},
589 {0x3c47, 0xfc},
590 {0x3c50, 0x05},
591 {0x3c52, 0xaa},
592 {0x3c54, 0x71},
593 {0x3c56, 0x80},
594 {0x3d85, 0x17},
595 {0x3f03, 0x00},
596 {0x3f0a, 0x00},
597 {0x3f0b, 0x00},
598 {0x4001, 0x60},
599 {0x4009, 0x05},
600 {0x4020, 0x00},
601 {0x4021, 0x00},
602 {0x4022, 0x00},
603 {0x4023, 0x00},
604 {0x4024, 0x00},
605 {0x4025, 0x00},
606 {0x4026, 0x00},
607 {0x4027, 0x00},
608 {0x4028, 0x00},
609 {0x4029, 0x00},
610 {0x402a, 0x00},
611 {0x402b, 0x00},
612 {0x402c, 0x00},
613 {0x402d, 0x00},
614 {0x402e, 0x00},
615 {0x402f, 0x00},
616 {0x4040, 0x00},
617 {0x4041, 0x03},
618 {0x4042, 0x00},
619 {0x4043, 0x7A},
620 {0x4044, 0x00},
621 {0x4045, 0x7A},
622 {0x4046, 0x00},
623 {0x4047, 0x7A},
624 {0x4048, 0x00},
625 {0x4049, 0x7A},
626 {0x4307, 0x30},
627 {0x4500, 0x58},
628 {0x4501, 0x04},
629 {0x4502, 0x48},
630 {0x4503, 0x10},
631 {0x4508, 0x55},
632 {0x4509, 0x55},
633 {0x450a, 0x00},
634 {0x450b, 0x00},
635 {0x4600, 0x00},
636 {0x4601, 0x81},
637 {0x4700, 0xa4},
638 {0x4800, 0x4c},
639 {0x4816, 0x53},
640 {0x481f, 0x40},
641 {0x4837, 0x13},
642 {0x5000, 0x56},
643 {0x5001, 0x01},
644 {0x5002, 0x28},
645 {0x5004, 0x0c},
646 {0x5006, 0x0c},
647 {0x5007, 0xe0},
648 {0x5008, 0x01},
649 {0x5009, 0xb0},
650 {0x5901, 0x00},
651 {0x5a01, 0x00},
652 {0x5a03, 0x00},
653 {0x5a04, 0x0c},
654 {0x5a05, 0xe0},
655 {0x5a06, 0x09},
656 {0x5a07, 0xb0},
657 {0x5a08, 0x06},
658 {0x5e00, 0x00},
659 {0x3734, 0x40},
660 {0x5b00, 0x01},
661 {0x5b01, 0x10},
662 {0x5b02, 0x01},
663 {0x5b03, 0xdb},
664 {0x3d8c, 0x71},
665 {0x3d8d, 0xea},
666 {0x4017, 0x10},
667 {0x3618, 0x2a},
668 {0x5780, 0x3e},
669 {0x5781, 0x0f},
670 {0x5782, 0x44},
671 {0x5783, 0x02},
672 {0x5784, 0x01},
673 {0x5785, 0x01},
674 {0x5786, 0x00},
675 {0x5787, 0x04},
676 {0x5788, 0x02},
677 {0x5789, 0x0f},
678 {0x578a, 0xfd},
679 {0x578b, 0xf5},
680 {0x578c, 0xf5},
681 {0x578d, 0x03},
682 {0x578e, 0x08},
683 {0x578f, 0x0c},
684 {0x5790, 0x08},
685 {0x5791, 0x04},
686 {0x5792, 0x00},
687 {0x5793, 0x52},
688 {0x5794, 0xa3},
689 {0x3503, 0x00},
690 {0x5045, 0x05},
691 {0x4003, 0x40},
692 {0x5048, 0x40}
693 };
694
695 static const struct ov5670_reg mode_648x486_regs[] = {
696 {0x3000, 0x00},
697 {0x3002, 0x21},
698 {0x3005, 0xf0},
699 {0x3007, 0x00},
700 {0x3015, 0x0f},
701 {0x301a, 0xf0},
702 {0x301b, 0xf0},
703 {0x301c, 0xf0},
704 {0x301d, 0xf0},
705 {0x301e, 0xf0},
706 {0x3030, 0x00},
707 {0x3031, 0x0a},
708 {0x303c, 0xff},
709 {0x303e, 0xff},
710 {0x3040, 0xf0},
711 {0x3041, 0x00},
712 {0x3042, 0xf0},
713 {0x3106, 0x11},
714 {0x3500, 0x00},
715 {0x3501, 0x80},
716 {0x3502, 0x00},
717 {0x3503, 0x04},
718 {0x3504, 0x03},
719 {0x3505, 0x83},
720 {0x3508, 0x04},
721 {0x3509, 0x00},
722 {0x350e, 0x04},
723 {0x350f, 0x00},
724 {0x3510, 0x00},
725 {0x3511, 0x02},
726 {0x3512, 0x00},
727 {0x3601, 0xc8},
728 {0x3610, 0x88},
729 {0x3612, 0x48},
730 {0x3614, 0x5b},
731 {0x3615, 0x96},
732 {0x3621, 0xd0},
733 {0x3622, 0x00},
734 {0x3623, 0x04},
735 {0x3633, 0x13},
736 {0x3634, 0x13},
737 {0x3635, 0x13},
738 {0x3636, 0x13},
739 {0x3645, 0x13},
740 {0x3646, 0x82},
741 {0x3650, 0x00},
742 {0x3652, 0xff},
743 {0x3655, 0x20},
744 {0x3656, 0xff},
745 {0x365a, 0xff},
746 {0x365e, 0xff},
747 {0x3668, 0x00},
748 {0x366a, 0x07},
749 {0x366e, 0x08},
750 {0x366d, 0x00},
751 {0x366f, 0x80},
752 {0x3700, 0x28},
753 {0x3701, 0x10},
754 {0x3702, 0x3a},
755 {0x3703, 0x19},
756 {0x3704, 0x10},
757 {0x3705, 0x00},
758 {0x3706, 0x66},
759 {0x3707, 0x08},
760 {0x3708, 0x34},
761 {0x3709, 0x40},
762 {0x370a, 0x01},
763 {0x370b, 0x1b},
764 {0x3714, 0x24},
765 {0x371a, 0x3e},
766 {0x3733, 0x00},
767 {0x3734, 0x00},
768 {0x373a, 0x05},
769 {0x373b, 0x06},
770 {0x373c, 0x0a},
771 {0x373f, 0xa0},
772 {0x3755, 0x00},
773 {0x3758, 0x00},
774 {0x375b, 0x0e},
775 {0x3766, 0x5f},
776 {0x3768, 0x00},
777 {0x3769, 0x22},
778 {0x3773, 0x08},
779 {0x3774, 0x1f},
780 {0x3776, 0x06},
781 {0x37a0, 0x88},
782 {0x37a1, 0x5c},
783 {0x37a7, 0x88},
784 {0x37a8, 0x70},
785 {0x37aa, 0x88},
786 {0x37ab, 0x48},
787 {0x37b3, 0x66},
788 {0x37c2, 0x04},
789 {0x37c5, 0x00},
790 {0x37c8, 0x00},
791 {0x3800, 0x00},
792 {0x3801, 0x0c},
793 {0x3802, 0x00},
794 {0x3803, 0x04},
795 {0x3804, 0x0a},
796 {0x3805, 0x33},
797 {0x3806, 0x07},
798 {0x3807, 0xa3},
799 {0x3808, 0x02},
800 {0x3809, 0x88},
801 {0x380a, 0x01},
802 {0x380b, 0xe6},
803 {0x380c, 0x06},
804 {0x380d, 0x90},
805 {0x380e, 0x08},
806 {0x380f, 0x08},
807 {0x3811, 0x04},
808 {0x3813, 0x02},
809 {0x3814, 0x07},
810 {0x3815, 0x01},
811 {0x3816, 0x00},
812 {0x3817, 0x00},
813 {0x3818, 0x00},
814 {0x3819, 0x00},
815 {0x3820, 0x94},
816 {0x3821, 0xc6},
817 {0x3822, 0x48},
818 {0x3826, 0x00},
819 {0x3827, 0x08},
820 {0x382a, 0x07},
821 {0x382b, 0x01},
822 {0x3830, 0x08},
823 {0x3836, 0x02},
824 {0x3837, 0x00},
825 {0x3838, 0x10},
826 {0x3841, 0xff},
827 {0x3846, 0x48},
828 {0x3861, 0x00},
829 {0x3862, 0x04},
830 {0x3863, 0x06},
831 {0x3a11, 0x01},
832 {0x3a12, 0x78},
833 {0x3b00, 0x00},
834 {0x3b02, 0x00},
835 {0x3b03, 0x00},
836 {0x3b04, 0x00},
837 {0x3b05, 0x00},
838 {0x3c00, 0x89},
839 {0x3c01, 0xab},
840 {0x3c02, 0x01},
841 {0x3c03, 0x00},
842 {0x3c04, 0x00},
843 {0x3c05, 0x03},
844 {0x3c06, 0x00},
845 {0x3c07, 0x05},
846 {0x3c0c, 0x00},
847 {0x3c0d, 0x00},
848 {0x3c0e, 0x00},
849 {0x3c0f, 0x00},
850 {0x3c40, 0x00},
851 {0x3c41, 0xa3},
852 {0x3c43, 0x7d},
853 {0x3c45, 0xd7},
854 {0x3c47, 0xfc},
855 {0x3c50, 0x05},
856 {0x3c52, 0xaa},
857 {0x3c54, 0x71},
858 {0x3c56, 0x80},
859 {0x3d85, 0x17},
860 {0x3f03, 0x00},
861 {0x3f0a, 0x00},
862 {0x3f0b, 0x00},
863 {0x4001, 0x60},
864 {0x4009, 0x05},
865 {0x4020, 0x00},
866 {0x4021, 0x00},
867 {0x4022, 0x00},
868 {0x4023, 0x00},
869 {0x4024, 0x00},
870 {0x4025, 0x00},
871 {0x4026, 0x00},
872 {0x4027, 0x00},
873 {0x4028, 0x00},
874 {0x4029, 0x00},
875 {0x402a, 0x00},
876 {0x402b, 0x00},
877 {0x402c, 0x00},
878 {0x402d, 0x00},
879 {0x402e, 0x00},
880 {0x402f, 0x00},
881 {0x4040, 0x00},
882 {0x4041, 0x03},
883 {0x4042, 0x00},
884 {0x4043, 0x7A},
885 {0x4044, 0x00},
886 {0x4045, 0x7A},
887 {0x4046, 0x00},
888 {0x4047, 0x7A},
889 {0x4048, 0x00},
890 {0x4049, 0x7A},
891 {0x4307, 0x30},
892 {0x4500, 0x58},
893 {0x4501, 0x04},
894 {0x4502, 0x40},
895 {0x4503, 0x10},
896 {0x4508, 0x55},
897 {0x4509, 0x55},
898 {0x450a, 0x02},
899 {0x450b, 0x00},
900 {0x4600, 0x00},
901 {0x4601, 0x40},
902 {0x4700, 0xa4},
903 {0x4800, 0x4c},
904 {0x4816, 0x53},
905 {0x481f, 0x40},
906 {0x4837, 0x13},
907 {0x5000, 0x56},
908 {0x5001, 0x01},
909 {0x5002, 0x28},
910 {0x5004, 0x0c},
911 {0x5006, 0x0c},
912 {0x5007, 0xe0},
913 {0x5008, 0x01},
914 {0x5009, 0xb0},
915 {0x5901, 0x00},
916 {0x5a01, 0x00},
917 {0x5a03, 0x00},
918 {0x5a04, 0x0c},
919 {0x5a05, 0xe0},
920 {0x5a06, 0x09},
921 {0x5a07, 0xb0},
922 {0x5a08, 0x06},
923 {0x5e00, 0x00},
924 {0x3734, 0x40},
925 {0x5b00, 0x01},
926 {0x5b01, 0x10},
927 {0x5b02, 0x01},
928 {0x5b03, 0xdb},
929 {0x3d8c, 0x71},
930 {0x3d8d, 0xea},
931 {0x4017, 0x10},
932 {0x3618, 0x2a},
933 {0x5780, 0x3e},
934 {0x5781, 0x0f},
935 {0x5782, 0x44},
936 {0x5783, 0x02},
937 {0x5784, 0x01},
938 {0x5785, 0x01},
939 {0x5786, 0x00},
940 {0x5787, 0x04},
941 {0x5788, 0x02},
942 {0x5789, 0x0f},
943 {0x578a, 0xfd},
944 {0x578b, 0xf5},
945 {0x578c, 0xf5},
946 {0x578d, 0x03},
947 {0x578e, 0x08},
948 {0x578f, 0x0c},
949 {0x5790, 0x08},
950 {0x5791, 0x06},
951 {0x5792, 0x00},
952 {0x5793, 0x52},
953 {0x5794, 0xa3},
954 {0x3503, 0x00},
955 {0x5045, 0x05},
956 {0x4003, 0x40},
957 {0x5048, 0x40}
958 };
959
960 static const struct ov5670_reg mode_2560x1440_regs[] = {
961 {0x3000, 0x00},
962 {0x3002, 0x21},
963 {0x3005, 0xf0},
964 {0x3007, 0x00},
965 {0x3015, 0x0f},
966 {0x301a, 0xf0},
967 {0x301b, 0xf0},
968 {0x301c, 0xf0},
969 {0x301d, 0xf0},
970 {0x301e, 0xf0},
971 {0x3030, 0x00},
972 {0x3031, 0x0a},
973 {0x303c, 0xff},
974 {0x303e, 0xff},
975 {0x3040, 0xf0},
976 {0x3041, 0x00},
977 {0x3042, 0xf0},
978 {0x3106, 0x11},
979 {0x3500, 0x00},
980 {0x3501, 0x80},
981 {0x3502, 0x00},
982 {0x3503, 0x04},
983 {0x3504, 0x03},
984 {0x3505, 0x83},
985 {0x3508, 0x04},
986 {0x3509, 0x00},
987 {0x350e, 0x04},
988 {0x350f, 0x00},
989 {0x3510, 0x00},
990 {0x3511, 0x02},
991 {0x3512, 0x00},
992 {0x3601, 0xc8},
993 {0x3610, 0x88},
994 {0x3612, 0x48},
995 {0x3614, 0x5b},
996 {0x3615, 0x96},
997 {0x3621, 0xd0},
998 {0x3622, 0x00},
999 {0x3623, 0x00},
1000 {0x3633, 0x13},
1001 {0x3634, 0x13},
1002 {0x3635, 0x13},
1003 {0x3636, 0x13},
1004 {0x3645, 0x13},
1005 {0x3646, 0x82},
1006 {0x3650, 0x00},
1007 {0x3652, 0xff},
1008 {0x3655, 0x20},
1009 {0x3656, 0xff},
1010 {0x365a, 0xff},
1011 {0x365e, 0xff},
1012 {0x3668, 0x00},
1013 {0x366a, 0x07},
1014 {0x366e, 0x10},
1015 {0x366d, 0x00},
1016 {0x366f, 0x80},
1017 {0x3700, 0x28},
1018 {0x3701, 0x10},
1019 {0x3702, 0x3a},
1020 {0x3703, 0x19},
1021 {0x3704, 0x10},
1022 {0x3705, 0x00},
1023 {0x3706, 0x66},
1024 {0x3707, 0x08},
1025 {0x3708, 0x34},
1026 {0x3709, 0x40},
1027 {0x370a, 0x01},
1028 {0x370b, 0x1b},
1029 {0x3714, 0x24},
1030 {0x371a, 0x3e},
1031 {0x3733, 0x00},
1032 {0x3734, 0x00},
1033 {0x373a, 0x05},
1034 {0x373b, 0x06},
1035 {0x373c, 0x0a},
1036 {0x373f, 0xa0},
1037 {0x3755, 0x00},
1038 {0x3758, 0x00},
1039 {0x375b, 0x0e},
1040 {0x3766, 0x5f},
1041 {0x3768, 0x00},
1042 {0x3769, 0x22},
1043 {0x3773, 0x08},
1044 {0x3774, 0x1f},
1045 {0x3776, 0x06},
1046 {0x37a0, 0x88},
1047 {0x37a1, 0x5c},
1048 {0x37a7, 0x88},
1049 {0x37a8, 0x70},
1050 {0x37aa, 0x88},
1051 {0x37ab, 0x48},
1052 {0x37b3, 0x66},
1053 {0x37c2, 0x04},
1054 {0x37c5, 0x00},
1055 {0x37c8, 0x00},
1056 {0x3800, 0x00},
1057 {0x3801, 0x0c},
1058 {0x3802, 0x00},
1059 {0x3803, 0x04},
1060 {0x3804, 0x0a},
1061 {0x3805, 0x33},
1062 {0x3806, 0x07},
1063 {0x3807, 0xa3},
1064 {0x3808, 0x0a},
1065 {0x3809, 0x00},
1066 {0x380a, 0x05},
1067 {0x380b, 0xa0},
1068 {0x380c, 0x06},
1069 {0x380d, 0x90},
1070 {0x380e, 0x08},
1071 {0x380f, 0x08},
1072 {0x3811, 0x04},
1073 {0x3813, 0x02},
1074 {0x3814, 0x01},
1075 {0x3815, 0x01},
1076 {0x3816, 0x00},
1077 {0x3817, 0x00},
1078 {0x3818, 0x00},
1079 {0x3819, 0x00},
1080 {0x3820, 0x84},
1081 {0x3821, 0x46},
1082 {0x3822, 0x48},
1083 {0x3826, 0x00},
1084 {0x3827, 0x08},
1085 {0x382a, 0x01},
1086 {0x382b, 0x01},
1087 {0x3830, 0x08},
1088 {0x3836, 0x02},
1089 {0x3837, 0x00},
1090 {0x3838, 0x10},
1091 {0x3841, 0xff},
1092 {0x3846, 0x48},
1093 {0x3861, 0x00},
1094 {0x3862, 0x04},
1095 {0x3863, 0x06},
1096 {0x3a11, 0x01},
1097 {0x3a12, 0x78},
1098 {0x3b00, 0x00},
1099 {0x3b02, 0x00},
1100 {0x3b03, 0x00},
1101 {0x3b04, 0x00},
1102 {0x3b05, 0x00},
1103 {0x3c00, 0x89},
1104 {0x3c01, 0xab},
1105 {0x3c02, 0x01},
1106 {0x3c03, 0x00},
1107 {0x3c04, 0x00},
1108 {0x3c05, 0x03},
1109 {0x3c06, 0x00},
1110 {0x3c07, 0x05},
1111 {0x3c0c, 0x00},
1112 {0x3c0d, 0x00},
1113 {0x3c0e, 0x00},
1114 {0x3c0f, 0x00},
1115 {0x3c40, 0x00},
1116 {0x3c41, 0xa3},
1117 {0x3c43, 0x7d},
1118 {0x3c45, 0xd7},
1119 {0x3c47, 0xfc},
1120 {0x3c50, 0x05},
1121 {0x3c52, 0xaa},
1122 {0x3c54, 0x71},
1123 {0x3c56, 0x80},
1124 {0x3d85, 0x17},
1125 {0x3f03, 0x00},
1126 {0x3f0a, 0x00},
1127 {0x3f0b, 0x00},
1128 {0x4001, 0x60},
1129 {0x4009, 0x0d},
1130 {0x4020, 0x00},
1131 {0x4021, 0x00},
1132 {0x4022, 0x00},
1133 {0x4023, 0x00},
1134 {0x4024, 0x00},
1135 {0x4025, 0x00},
1136 {0x4026, 0x00},
1137 {0x4027, 0x00},
1138 {0x4028, 0x00},
1139 {0x4029, 0x00},
1140 {0x402a, 0x00},
1141 {0x402b, 0x00},
1142 {0x402c, 0x00},
1143 {0x402d, 0x00},
1144 {0x402e, 0x00},
1145 {0x402f, 0x00},
1146 {0x4040, 0x00},
1147 {0x4041, 0x03},
1148 {0x4042, 0x00},
1149 {0x4043, 0x7A},
1150 {0x4044, 0x00},
1151 {0x4045, 0x7A},
1152 {0x4046, 0x00},
1153 {0x4047, 0x7A},
1154 {0x4048, 0x00},
1155 {0x4049, 0x7A},
1156 {0x4307, 0x30},
1157 {0x4500, 0x58},
1158 {0x4501, 0x04},
1159 {0x4502, 0x40},
1160 {0x4503, 0x10},
1161 {0x4508, 0xaa},
1162 {0x4509, 0xaa},
1163 {0x450a, 0x00},
1164 {0x450b, 0x00},
1165 {0x4600, 0x01},
1166 {0x4601, 0x00},
1167 {0x4700, 0xa4},
1168 {0x4800, 0x4c},
1169 {0x4816, 0x53},
1170 {0x481f, 0x40},
1171 {0x4837, 0x13},
1172 {0x5000, 0x56},
1173 {0x5001, 0x01},
1174 {0x5002, 0x28},
1175 {0x5004, 0x0c},
1176 {0x5006, 0x0c},
1177 {0x5007, 0xe0},
1178 {0x5008, 0x01},
1179 {0x5009, 0xb0},
1180 {0x5901, 0x00},
1181 {0x5a01, 0x00},
1182 {0x5a03, 0x00},
1183 {0x5a04, 0x0c},
1184 {0x5a05, 0xe0},
1185 {0x5a06, 0x09},
1186 {0x5a07, 0xb0},
1187 {0x5a08, 0x06},
1188 {0x5e00, 0x00},
1189 {0x3734, 0x40},
1190 {0x5b00, 0x01},
1191 {0x5b01, 0x10},
1192 {0x5b02, 0x01},
1193 {0x5b03, 0xdb},
1194 {0x3d8c, 0x71},
1195 {0x3d8d, 0xea},
1196 {0x4017, 0x08},
1197 {0x3618, 0x2a},
1198 {0x5780, 0x3e},
1199 {0x5781, 0x0f},
1200 {0x5782, 0x44},
1201 {0x5783, 0x02},
1202 {0x5784, 0x01},
1203 {0x5785, 0x01},
1204 {0x5786, 0x00},
1205 {0x5787, 0x04},
1206 {0x5788, 0x02},
1207 {0x5789, 0x0f},
1208 {0x578a, 0xfd},
1209 {0x578b, 0xf5},
1210 {0x578c, 0xf5},
1211 {0x578d, 0x03},
1212 {0x578e, 0x08},
1213 {0x578f, 0x0c},
1214 {0x5790, 0x08},
1215 {0x5791, 0x06},
1216 {0x5792, 0x00},
1217 {0x5793, 0x52},
1218 {0x5794, 0xa3},
1219 {0x5045, 0x05},
1220 {0x4003, 0x40},
1221 {0x5048, 0x40}
1222 };
1223
1224 static const struct ov5670_reg mode_1280x720_regs[] = {
1225 {0x3000, 0x00},
1226 {0x3002, 0x21},
1227 {0x3005, 0xf0},
1228 {0x3007, 0x00},
1229 {0x3015, 0x0f},
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 {0x301a, 0xf0},
1496 {0x301b, 0xf0},
1497 {0x301c, 0xf0},
1498 {0x301d, 0xf0},
1499 {0x301e, 0xf0},
1500 {0x3030, 0x00},
1501 {0x3031, 0x0a},
1502 {0x303c, 0xff},
1503 {0x303e, 0xff},
1504 {0x3040, 0xf0},
1505 {0x3041, 0x00},
1506 {0x3042, 0xf0},
1507 {0x3106, 0x11},
1508 {0x3500, 0x00},
1509 {0x3501, 0x80},
1510 {0x3502, 0x00},
1511 {0x3503, 0x04},
1512 {0x3504, 0x03},
1513 {0x3505, 0x83},
1514 {0x3508, 0x04},
1515 {0x3509, 0x00},
1516 {0x350e, 0x04},
1517 {0x350f, 0x00},
1518 {0x3510, 0x00},
1519 {0x3511, 0x02},
1520 {0x3512, 0x00},
1521 {0x3601, 0xc8},
1522 {0x3610, 0x88},
1523 {0x3612, 0x48},
1524 {0x3614, 0x5b},
1525 {0x3615, 0x96},
1526 {0x3621, 0xd0},
1527 {0x3622, 0x00},
1528 {0x3623, 0x04},
1529 {0x3633, 0x13},
1530 {0x3634, 0x13},
1531 {0x3635, 0x13},
1532 {0x3636, 0x13},
1533 {0x3645, 0x13},
1534 {0x3646, 0x82},
1535 {0x3650, 0x00},
1536 {0x3652, 0xff},
1537 {0x3655, 0x20},
1538 {0x3656, 0xff},
1539 {0x365a, 0xff},
1540 {0x365e, 0xff},
1541 {0x3668, 0x00},
1542 {0x366a, 0x07},
1543 {0x366e, 0x08},
1544 {0x366d, 0x00},
1545 {0x366f, 0x80},
1546 {0x3700, 0x28},
1547 {0x3701, 0x10},
1548 {0x3702, 0x3a},
1549 {0x3703, 0x19},
1550 {0x3704, 0x10},
1551 {0x3705, 0x00},
1552 {0x3706, 0x66},
1553 {0x3707, 0x08},
1554 {0x3708, 0x34},
1555 {0x3709, 0x40},
1556 {0x370a, 0x01},
1557 {0x370b, 0x1b},
1558 {0x3714, 0x24},
1559 {0x371a, 0x3e},
1560 {0x3733, 0x00},
1561 {0x3734, 0x00},
1562 {0x373a, 0x05},
1563 {0x373b, 0x06},
1564 {0x373c, 0x0a},
1565 {0x373f, 0xa0},
1566 {0x3755, 0x00},
1567 {0x3758, 0x00},
1568 {0x375b, 0x0e},
1569 {0x3766, 0x5f},
1570 {0x3768, 0x00},
1571 {0x3769, 0x22},
1572 {0x3773, 0x08},
1573 {0x3774, 0x1f},
1574 {0x3776, 0x06},
1575 {0x37a0, 0x88},
1576 {0x37a1, 0x5c},
1577 {0x37a7, 0x88},
1578 {0x37a8, 0x70},
1579 {0x37aa, 0x88},
1580 {0x37ab, 0x48},
1581 {0x37b3, 0x66},
1582 {0x37c2, 0x04},
1583 {0x37c5, 0x00},
1584 {0x37c8, 0x00},
1585 {0x3800, 0x00},
1586 {0x3801, 0x0c},
1587 {0x3802, 0x00},
1588 {0x3803, 0x04},
1589 {0x3804, 0x0a},
1590 {0x3805, 0x33},
1591 {0x3806, 0x07},
1592 {0x3807, 0xa3},
1593 {0x3808, 0x02},
1594 {0x3809, 0x80},
1595 {0x380a, 0x01},
1596 {0x380b, 0x68},
1597 {0x380c, 0x06},
1598 {0x380d, 0x90},
1599 {0x380e, 0x08},
1600 {0x380f, 0x08},
1601 {0x3811, 0x04},
1602 {0x3813, 0x02},
1603 {0x3814, 0x07},
1604 {0x3815, 0x01},
1605 {0x3816, 0x00},
1606 {0x3817, 0x00},
1607 {0x3818, 0x00},
1608 {0x3819, 0x00},
1609 {0x3820, 0x94},
1610 {0x3821, 0xc6},
1611 {0x3822, 0x48},
1612 {0x3826, 0x00},
1613 {0x3827, 0x08},
1614 {0x382a, 0x07},
1615 {0x382b, 0x01},
1616 {0x3830, 0x08},
1617 {0x3836, 0x02},
1618 {0x3837, 0x00},
1619 {0x3838, 0x10},
1620 {0x3841, 0xff},
1621 {0x3846, 0x48},
1622 {0x3861, 0x00},
1623 {0x3862, 0x04},
1624 {0x3863, 0x06},
1625 {0x3a11, 0x01},
1626 {0x3a12, 0x78},
1627 {0x3b00, 0x00},
1628 {0x3b02, 0x00},
1629 {0x3b03, 0x00},
1630 {0x3b04, 0x00},
1631 {0x3b05, 0x00},
1632 {0x3c00, 0x89},
1633 {0x3c01, 0xab},
1634 {0x3c02, 0x01},
1635 {0x3c03, 0x00},
1636 {0x3c04, 0x00},
1637 {0x3c05, 0x03},
1638 {0x3c06, 0x00},
1639 {0x3c07, 0x05},
1640 {0x3c0c, 0x00},
1641 {0x3c0d, 0x00},
1642 {0x3c0e, 0x00},
1643 {0x3c0f, 0x00},
1644 {0x3c40, 0x00},
1645 {0x3c41, 0xa3},
1646 {0x3c43, 0x7d},
1647 {0x3c45, 0xd7},
1648 {0x3c47, 0xfc},
1649 {0x3c50, 0x05},
1650 {0x3c52, 0xaa},
1651 {0x3c54, 0x71},
1652 {0x3c56, 0x80},
1653 {0x3d85, 0x17},
1654 {0x3f03, 0x00},
1655 {0x3f0a, 0x00},
1656 {0x3f0b, 0x00},
1657 {0x4001, 0x60},
1658 {0x4009, 0x05},
1659 {0x4020, 0x00},
1660 {0x4021, 0x00},
1661 {0x4022, 0x00},
1662 {0x4023, 0x00},
1663 {0x4024, 0x00},
1664 {0x4025, 0x00},
1665 {0x4026, 0x00},
1666 {0x4027, 0x00},
1667 {0x4028, 0x00},
1668 {0x4029, 0x00},
1669 {0x402a, 0x00},
1670 {0x402b, 0x00},
1671 {0x402c, 0x00},
1672 {0x402d, 0x00},
1673 {0x402e, 0x00},
1674 {0x402f, 0x00},
1675 {0x4040, 0x00},
1676 {0x4041, 0x03},
1677 {0x4042, 0x00},
1678 {0x4043, 0x7A},
1679 {0x4044, 0x00},
1680 {0x4045, 0x7A},
1681 {0x4046, 0x00},
1682 {0x4047, 0x7A},
1683 {0x4048, 0x00},
1684 {0x4049, 0x7A},
1685 {0x4307, 0x30},
1686 {0x4500, 0x58},
1687 {0x4501, 0x04},
1688 {0x4502, 0x40},
1689 {0x4503, 0x10},
1690 {0x4508, 0x55},
1691 {0x4509, 0x55},
1692 {0x450a, 0x02},
1693 {0x450b, 0x00},
1694 {0x4600, 0x00},
1695 {0x4601, 0x40},
1696 {0x4700, 0xa4},
1697 {0x4800, 0x4c},
1698 {0x4816, 0x53},
1699 {0x481f, 0x40},
1700 {0x4837, 0x13},
1701 {0x5000, 0x56},
1702 {0x5001, 0x01},
1703 {0x5002, 0x28},
1704 {0x5004, 0x0c},
1705 {0x5006, 0x0c},
1706 {0x5007, 0xe0},
1707 {0x5008, 0x01},
1708 {0x5009, 0xb0},
1709 {0x5901, 0x00},
1710 {0x5a01, 0x00},
1711 {0x5a03, 0x00},
1712 {0x5a04, 0x0c},
1713 {0x5a05, 0xe0},
1714 {0x5a06, 0x09},
1715 {0x5a07, 0xb0},
1716 {0x5a08, 0x06},
1717 {0x5e00, 0x00},
1718 {0x3734, 0x40},
1719 {0x5b00, 0x01},
1720 {0x5b01, 0x10},
1721 {0x5b02, 0x01},
1722 {0x5b03, 0xdb},
1723 {0x3d8c, 0x71},
1724 {0x3d8d, 0xea},
1725 {0x4017, 0x10},
1726 {0x3618, 0x2a},
1727 {0x5780, 0x3e},
1728 {0x5781, 0x0f},
1729 {0x5782, 0x44},
1730 {0x5783, 0x02},
1731 {0x5784, 0x01},
1732 {0x5785, 0x01},
1733 {0x5786, 0x00},
1734 {0x5787, 0x04},
1735 {0x5788, 0x02},
1736 {0x5789, 0x0f},
1737 {0x578a, 0xfd},
1738 {0x578b, 0xf5},
1739 {0x578c, 0xf5},
1740 {0x578d, 0x03},
1741 {0x578e, 0x08},
1742 {0x578f, 0x0c},
1743 {0x5790, 0x08},
1744 {0x5791, 0x06},
1745 {0x5792, 0x00},
1746 {0x5793, 0x52},
1747 {0x5794, 0xa3},
1748 {0x3503, 0x00},
1749 {0x5045, 0x05},
1750 {0x4003, 0x40},
1751 {0x5048, 0x40}
1752 };
1753
1754 static const char * const ov5670_test_pattern_menu[] = {
1755 "Disabled",
1756 "Vertical Color Bar Type 1",
1757 };
1758
1759 /* Supported link frequencies */
1760 #define OV5670_LINK_FREQ_422MHZ 422400000
1761 #define OV5670_LINK_FREQ_422MHZ_INDEX 0
1762 static const struct ov5670_link_freq_config link_freq_configs[] = {
1763 {
1764 .reg_list = {
1765 .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1766 .regs = mipi_data_rate_840mbps,
1767 }
1768 }
1769 };
1770
1771 static const s64 link_freq_menu_items[] = {
1772 OV5670_LINK_FREQ_422MHZ
1773 };
1774
1775 /*
1776 * OV5670 sensor supports following resolutions with full FOV:
1777 * 4:3 ==> {2592x1944, 1296x972, 648x486}
1778 * 16:9 ==> {2560x1440, 1280x720, 640x360}
1779 */
1780 static const struct ov5670_mode supported_modes[] = {
1781 {
1782 .width = 2592,
1783 .height = 1944,
1784 .vts_def = OV5670_VTS_30FPS,
1785 .vts_min = OV5670_VTS_30FPS,
1786 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1787 .analog_crop = &ov5670_analog_crop,
1788 .reg_list = {
1789 .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1790 .regs = mode_2592x1944_regs,
1791 },
1792 },
1793 {
1794 .width = 1296,
1795 .height = 972,
1796 .vts_def = OV5670_VTS_30FPS,
1797 .vts_min = 996,
1798 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1799 .analog_crop = &ov5670_analog_crop,
1800 .reg_list = {
1801 .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1802 .regs = mode_1296x972_regs,
1803 },
1804 },
1805 {
1806 .width = 648,
1807 .height = 486,
1808 .vts_def = OV5670_VTS_30FPS,
1809 .vts_min = 516,
1810 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1811 .analog_crop = &ov5670_analog_crop,
1812 .reg_list = {
1813 .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1814 .regs = mode_648x486_regs,
1815 },
1816 },
1817 {
1818 .width = 2560,
1819 .height = 1440,
1820 .vts_def = OV5670_VTS_30FPS,
1821 .vts_min = OV5670_VTS_30FPS,
1822 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1823 .analog_crop = &ov5670_analog_crop,
1824 .reg_list = {
1825 .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1826 .regs = mode_2560x1440_regs,
1827 },
1828 },
1829 {
1830 .width = 1280,
1831 .height = 720,
1832 .vts_def = OV5670_VTS_30FPS,
1833 .vts_min = 1020,
1834
1835 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1836 .analog_crop = &ov5670_analog_crop,
1837 .reg_list = {
1838 .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1839 .regs = mode_1280x720_regs,
1840 },
1841 },
1842 {
1843 .width = 640,
1844 .height = 360,
1845 .vts_def = OV5670_VTS_30FPS,
1846 .vts_min = 510,
1847 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1848 .analog_crop = &ov5670_analog_crop,
1849 .reg_list = {
1850 .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1851 .regs = mode_640x360_regs,
1852 },
1853 }
1854 };
1855
1856 struct ov5670 {
1857 struct v4l2_subdev sd;
1858 struct media_pad pad;
1859 struct v4l2_fwnode_endpoint endpoint;
1860
1861 struct v4l2_ctrl_handler ctrl_handler;
1862 /* V4L2 Controls */
1863 struct v4l2_ctrl *link_freq;
1864 struct v4l2_ctrl *pixel_rate;
1865 struct v4l2_ctrl *vblank;
1866 struct v4l2_ctrl *hblank;
1867 struct v4l2_ctrl *exposure;
1868
1869 /* Current mode */
1870 const struct ov5670_mode *cur_mode;
1871
1872 /* xvclk input clock */
1873 struct clk *xvclk;
1874
1875 /* Regulators */
1876 struct regulator_bulk_data supplies[OV5670_NUM_SUPPLIES];
1877
1878 /* Power-down and reset gpios. */
1879 struct gpio_desc *pwdn_gpio; /* PWDNB pin. */
1880 struct gpio_desc *reset_gpio; /* XSHUTDOWN pin. */
1881
1882 /* To serialize asynchronus callbacks */
1883 struct mutex mutex;
1884
1885 /* True if the device has been identified */
1886 bool identified;
1887 };
1888
1889 #define to_ov5670(_sd) container_of(_sd, struct ov5670, sd)
1890
1891 /* Read registers up to 4 at a time */
ov5670_read_reg(struct ov5670 * ov5670,u16 reg,unsigned int len,u32 * val)1892 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1893 u32 *val)
1894 {
1895 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1896 struct i2c_msg msgs[2];
1897 u8 *data_be_p;
1898 __be32 data_be = 0;
1899 __be16 reg_addr_be = cpu_to_be16(reg);
1900 int ret;
1901
1902 if (len > 4)
1903 return -EINVAL;
1904
1905 data_be_p = (u8 *)&data_be;
1906 /* Write register address */
1907 msgs[0].addr = client->addr;
1908 msgs[0].flags = 0;
1909 msgs[0].len = 2;
1910 msgs[0].buf = (u8 *)®_addr_be;
1911
1912 /* Read data from register */
1913 msgs[1].addr = client->addr;
1914 msgs[1].flags = I2C_M_RD;
1915 msgs[1].len = len;
1916 msgs[1].buf = &data_be_p[4 - len];
1917
1918 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1919 if (ret != ARRAY_SIZE(msgs))
1920 return -EIO;
1921
1922 *val = be32_to_cpu(data_be);
1923
1924 return 0;
1925 }
1926
1927 /* Write registers up to 4 at a time */
ov5670_write_reg(struct ov5670 * ov5670,u16 reg,unsigned int len,u32 val)1928 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1929 u32 val)
1930 {
1931 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1932 int buf_i;
1933 int val_i;
1934 u8 buf[6];
1935 u8 *val_p;
1936 __be32 tmp;
1937
1938 if (len > 4)
1939 return -EINVAL;
1940
1941 buf[0] = reg >> 8;
1942 buf[1] = reg & 0xff;
1943
1944 tmp = cpu_to_be32(val);
1945 val_p = (u8 *)&tmp;
1946 buf_i = 2;
1947 val_i = 4 - len;
1948
1949 while (val_i < 4)
1950 buf[buf_i++] = val_p[val_i++];
1951
1952 if (i2c_master_send(client, buf, len + 2) != len + 2)
1953 return -EIO;
1954
1955 return 0;
1956 }
1957
1958 /* Write a list of registers */
ov5670_write_regs(struct ov5670 * ov5670,const struct ov5670_reg * regs,unsigned int len)1959 static int ov5670_write_regs(struct ov5670 *ov5670,
1960 const struct ov5670_reg *regs, unsigned int len)
1961 {
1962 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1963 unsigned int i;
1964 int ret;
1965
1966 for (i = 0; i < len; i++) {
1967 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1968 if (ret) {
1969 dev_err_ratelimited(
1970 &client->dev,
1971 "Failed to write reg 0x%4.4x. error = %d\n",
1972 regs[i].address, ret);
1973
1974 return ret;
1975 }
1976 }
1977
1978 return 0;
1979 }
1980
ov5670_write_reg_list(struct ov5670 * ov5670,const struct ov5670_reg_list * r_list)1981 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1982 const struct ov5670_reg_list *r_list)
1983 {
1984 return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1985 }
1986
ov5670_update_digital_gain(struct ov5670 * ov5670,u32 d_gain)1987 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1988 {
1989 int ret;
1990
1991 ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1992 OV5670_REG_VALUE_16BIT, d_gain);
1993 if (ret)
1994 return ret;
1995
1996 ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1997 OV5670_REG_VALUE_16BIT, d_gain);
1998 if (ret)
1999 return ret;
2000
2001 return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
2002 OV5670_REG_VALUE_16BIT, d_gain);
2003 }
2004
ov5670_enable_test_pattern(struct ov5670 * ov5670,u32 pattern)2005 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
2006 {
2007 u32 val;
2008 int ret;
2009
2010 /* Set the bayer order that we support */
2011 ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
2012 OV5670_REG_VALUE_08BIT, 0);
2013 if (ret)
2014 return ret;
2015
2016 ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
2017 OV5670_REG_VALUE_08BIT, &val);
2018 if (ret)
2019 return ret;
2020
2021 if (pattern)
2022 val |= OV5670_TEST_PATTERN_ENABLE;
2023 else
2024 val &= ~OV5670_TEST_PATTERN_ENABLE;
2025
2026 return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
2027 OV5670_REG_VALUE_08BIT, val);
2028 }
2029
2030 /* Initialize control handlers */
ov5670_set_ctrl(struct v4l2_ctrl * ctrl)2031 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2032 {
2033 struct ov5670 *ov5670 = container_of(ctrl->handler,
2034 struct ov5670, ctrl_handler);
2035 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2036 s64 max;
2037 int ret;
2038
2039 /* Propagate change of current control to all related controls */
2040 switch (ctrl->id) {
2041 case V4L2_CID_VBLANK:
2042 /* Update max exposure while meeting expected vblanking */
2043 max = ov5670->cur_mode->height + ctrl->val - 8;
2044 __v4l2_ctrl_modify_range(ov5670->exposure,
2045 ov5670->exposure->minimum, max,
2046 ov5670->exposure->step, max);
2047 break;
2048 }
2049
2050 /* V4L2 controls values will be applied only when power is already up */
2051 if (!pm_runtime_get_if_in_use(&client->dev))
2052 return 0;
2053
2054 switch (ctrl->id) {
2055 case V4L2_CID_ANALOGUE_GAIN:
2056 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2057 OV5670_REG_VALUE_16BIT, ctrl->val);
2058 break;
2059 case V4L2_CID_DIGITAL_GAIN:
2060 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2061 break;
2062 case V4L2_CID_EXPOSURE:
2063 /* 4 least significant bits of expsoure are fractional part */
2064 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2065 OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2066 break;
2067 case V4L2_CID_VBLANK:
2068 /* Update VTS that meets expected vertical blanking */
2069 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2070 OV5670_REG_VALUE_16BIT,
2071 ov5670->cur_mode->height + ctrl->val);
2072 break;
2073 case V4L2_CID_TEST_PATTERN:
2074 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2075 break;
2076 case V4L2_CID_HBLANK:
2077 case V4L2_CID_LINK_FREQ:
2078 case V4L2_CID_PIXEL_RATE:
2079 ret = 0;
2080 break;
2081 default:
2082 ret = -EINVAL;
2083 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2084 __func__, ctrl->id, ctrl->val);
2085 break;
2086 }
2087
2088 pm_runtime_put(&client->dev);
2089
2090 return ret;
2091 }
2092
2093 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2094 .s_ctrl = ov5670_set_ctrl,
2095 };
2096
2097 /* Initialize control handlers */
ov5670_init_controls(struct ov5670 * ov5670)2098 static int ov5670_init_controls(struct ov5670 *ov5670)
2099 {
2100 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 =
2101 &ov5670->endpoint.bus.mipi_csi2;
2102 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2103 struct v4l2_fwnode_device_properties props;
2104 struct v4l2_ctrl_handler *ctrl_hdlr;
2105 unsigned int lanes_count;
2106 s64 mipi_pixel_rate;
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 lanes_count = bus_mipi_csi2->num_data_lanes;
2128 mipi_pixel_rate = OV5670_LINK_FREQ_422MHZ * 2 * lanes_count / 10;
2129
2130 ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2131 V4L2_CID_PIXEL_RATE,
2132 mipi_pixel_rate,
2133 mipi_pixel_rate,
2134 1,
2135 mipi_pixel_rate);
2136
2137 vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2138 vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2139 vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2140 ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2141 V4L2_CID_VBLANK, vblank_min,
2142 vblank_max, 1, vblank_def);
2143
2144 ov5670->hblank = v4l2_ctrl_new_std(
2145 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2146 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2147 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2148 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2149 if (ov5670->hblank)
2150 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2151
2152 /* Get min, max, step, default from sensor */
2153 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2154 ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2155 ANALOG_GAIN_DEFAULT);
2156
2157 /* Digital gain */
2158 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2159 OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2160 OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2161
2162 /* Get min, max, step, default from sensor */
2163 exposure_max = ov5670->cur_mode->vts_def - 8;
2164 ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2165 V4L2_CID_EXPOSURE,
2166 OV5670_EXPOSURE_MIN,
2167 exposure_max, OV5670_EXPOSURE_STEP,
2168 exposure_max);
2169
2170 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2171 V4L2_CID_TEST_PATTERN,
2172 ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2173 0, 0, ov5670_test_pattern_menu);
2174
2175 if (ctrl_hdlr->error) {
2176 ret = ctrl_hdlr->error;
2177 goto error;
2178 }
2179
2180 ret = v4l2_fwnode_device_parse(&client->dev, &props);
2181 if (ret)
2182 goto error;
2183
2184 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2185 &props);
2186 if (ret)
2187 goto error;
2188
2189 ov5670->sd.ctrl_handler = ctrl_hdlr;
2190
2191 return 0;
2192
2193 error:
2194 v4l2_ctrl_handler_free(ctrl_hdlr);
2195
2196 return ret;
2197 }
2198
ov5670_init_state(struct v4l2_subdev * sd,struct v4l2_subdev_state * state)2199 static int ov5670_init_state(struct v4l2_subdev *sd,
2200 struct v4l2_subdev_state *state)
2201 {
2202 struct v4l2_mbus_framefmt *fmt =
2203 v4l2_subdev_state_get_format(state, 0);
2204 const struct ov5670_mode *default_mode = &supported_modes[0];
2205 struct v4l2_rect *crop = v4l2_subdev_state_get_crop(state, 0);
2206
2207 fmt->width = default_mode->width;
2208 fmt->height = default_mode->height;
2209 fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2210 fmt->field = V4L2_FIELD_NONE;
2211 fmt->colorspace = V4L2_COLORSPACE_SRGB;
2212 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB);
2213 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
2214 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB);
2215
2216 *crop = *default_mode->analog_crop;
2217
2218 return 0;
2219 }
2220
ov5670_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)2221 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2222 struct v4l2_subdev_state *sd_state,
2223 struct v4l2_subdev_mbus_code_enum *code)
2224 {
2225 /* Only one bayer order GRBG is supported */
2226 if (code->index > 0)
2227 return -EINVAL;
2228
2229 code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2230
2231 return 0;
2232 }
2233
ov5670_enum_frame_size(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_frame_size_enum * fse)2234 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2235 struct v4l2_subdev_state *sd_state,
2236 struct v4l2_subdev_frame_size_enum *fse)
2237 {
2238 if (fse->index >= ARRAY_SIZE(supported_modes))
2239 return -EINVAL;
2240
2241 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2242 return -EINVAL;
2243
2244 fse->min_width = supported_modes[fse->index].width;
2245 fse->max_width = fse->min_width;
2246 fse->min_height = supported_modes[fse->index].height;
2247 fse->max_height = fse->min_height;
2248
2249 return 0;
2250 }
2251
ov5670_update_pad_format(const struct ov5670_mode * mode,struct v4l2_subdev_format * fmt)2252 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2253 struct v4l2_subdev_format *fmt)
2254 {
2255 fmt->format.width = mode->width;
2256 fmt->format.height = mode->height;
2257 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2258 fmt->format.field = V4L2_FIELD_NONE;
2259 }
2260
ov5670_do_get_pad_format(struct ov5670 * ov5670,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2261 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2262 struct v4l2_subdev_state *sd_state,
2263 struct v4l2_subdev_format *fmt)
2264 {
2265 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2266 fmt->format = *v4l2_subdev_state_get_format(sd_state,
2267 fmt->pad);
2268 else
2269 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2270
2271 return 0;
2272 }
2273
ov5670_get_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2274 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2275 struct v4l2_subdev_state *sd_state,
2276 struct v4l2_subdev_format *fmt)
2277 {
2278 struct ov5670 *ov5670 = to_ov5670(sd);
2279 int ret;
2280
2281 mutex_lock(&ov5670->mutex);
2282 ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt);
2283 mutex_unlock(&ov5670->mutex);
2284
2285 return ret;
2286 }
2287
ov5670_set_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)2288 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2289 struct v4l2_subdev_state *sd_state,
2290 struct v4l2_subdev_format *fmt)
2291 {
2292 struct ov5670 *ov5670 = to_ov5670(sd);
2293 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 =
2294 &ov5670->endpoint.bus.mipi_csi2;
2295 const struct ov5670_mode *mode;
2296 unsigned int lanes_count;
2297 s64 mipi_pixel_rate;
2298 s32 vblank_def;
2299 s64 link_freq;
2300 s32 h_blank;
2301
2302 mutex_lock(&ov5670->mutex);
2303
2304 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2305
2306 mode = v4l2_find_nearest_size(supported_modes,
2307 ARRAY_SIZE(supported_modes),
2308 width, height,
2309 fmt->format.width, fmt->format.height);
2310 ov5670_update_pad_format(mode, fmt);
2311 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2312 *v4l2_subdev_state_get_format(sd_state, fmt->pad) = fmt->format;
2313 } else {
2314 ov5670->cur_mode = mode;
2315 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2316
2317 lanes_count = bus_mipi_csi2->num_data_lanes;
2318 link_freq = link_freq_menu_items[mode->link_freq_index];
2319 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
2320 mipi_pixel_rate = div_s64(link_freq * 2 * lanes_count, 10);
2321 __v4l2_ctrl_s_ctrl_int64(
2322 ov5670->pixel_rate,
2323 mipi_pixel_rate);
2324 /* Update limits and set FPS to default */
2325 vblank_def = ov5670->cur_mode->vts_def -
2326 ov5670->cur_mode->height;
2327 __v4l2_ctrl_modify_range(
2328 ov5670->vblank,
2329 ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2330 OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2331 vblank_def);
2332 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2333 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2334 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2335 h_blank);
2336 }
2337
2338 mutex_unlock(&ov5670->mutex);
2339
2340 return 0;
2341 }
2342
ov5670_get_skip_frames(struct v4l2_subdev * sd,u32 * frames)2343 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2344 {
2345 *frames = OV5670_NUM_OF_SKIP_FRAMES;
2346
2347 return 0;
2348 }
2349
2350 /* Verify chip ID */
ov5670_identify_module(struct ov5670 * ov5670)2351 static int ov5670_identify_module(struct ov5670 *ov5670)
2352 {
2353 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2354 int ret;
2355 u32 val;
2356
2357 if (ov5670->identified)
2358 return 0;
2359
2360 ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2361 OV5670_REG_VALUE_24BIT, &val);
2362 if (ret)
2363 return ret;
2364
2365 if (val != OV5670_CHIP_ID) {
2366 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2367 OV5670_CHIP_ID, val);
2368 return -ENXIO;
2369 }
2370
2371 ov5670->identified = true;
2372
2373 return 0;
2374 }
2375
ov5670_mipi_configure(struct ov5670 * ov5670)2376 static int ov5670_mipi_configure(struct ov5670 *ov5670)
2377 {
2378 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 =
2379 &ov5670->endpoint.bus.mipi_csi2;
2380 unsigned int lanes_count = bus_mipi_csi2->num_data_lanes;
2381
2382 return ov5670_write_reg(ov5670, OV5670_MIPI_SC_CTRL0_REG,
2383 OV5670_REG_VALUE_08BIT,
2384 OV5670_MIPI_SC_CTRL0_LANES(lanes_count) |
2385 OV5670_MIPI_SC_CTRL0_MIPI_EN |
2386 OV5670_MIPI_SC_CTRL0_RESERVED);
2387 }
2388
2389 /* Prepare streaming by writing default values and customized values */
ov5670_start_streaming(struct ov5670 * ov5670)2390 static int ov5670_start_streaming(struct ov5670 *ov5670)
2391 {
2392 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2393 const struct ov5670_reg_list *reg_list;
2394 int link_freq_index;
2395 int ret;
2396
2397 ret = ov5670_identify_module(ov5670);
2398 if (ret)
2399 return ret;
2400
2401 /* Get out of from software reset */
2402 ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2403 OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2404 if (ret) {
2405 dev_err(&client->dev, "%s failed to set powerup registers\n",
2406 __func__);
2407 return ret;
2408 }
2409
2410 /* Setup PLL */
2411 link_freq_index = ov5670->cur_mode->link_freq_index;
2412 reg_list = &link_freq_configs[link_freq_index].reg_list;
2413 ret = ov5670_write_reg_list(ov5670, reg_list);
2414 if (ret) {
2415 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2416 return ret;
2417 }
2418
2419 /* Apply default values of current mode */
2420 reg_list = &ov5670->cur_mode->reg_list;
2421 ret = ov5670_write_reg_list(ov5670, reg_list);
2422 if (ret) {
2423 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2424 return ret;
2425 }
2426
2427 ret = ov5670_mipi_configure(ov5670);
2428 if (ret) {
2429 dev_err(&client->dev, "%s failed to configure MIPI\n", __func__);
2430 return ret;
2431 }
2432
2433 ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2434 if (ret)
2435 return ret;
2436
2437 /* Write stream on list */
2438 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2439 OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2440 if (ret) {
2441 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2442 return ret;
2443 }
2444
2445 return 0;
2446 }
2447
ov5670_stop_streaming(struct ov5670 * ov5670)2448 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2449 {
2450 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2451 int ret;
2452
2453 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2454 OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2455 if (ret)
2456 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2457
2458 /* Return success even if it was an error, as there is nothing the
2459 * caller can do about it.
2460 */
2461 return 0;
2462 }
2463
ov5670_set_stream(struct v4l2_subdev * sd,int enable)2464 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2465 {
2466 struct ov5670 *ov5670 = to_ov5670(sd);
2467 struct i2c_client *client = v4l2_get_subdevdata(sd);
2468 int ret = 0;
2469
2470 mutex_lock(&ov5670->mutex);
2471
2472 if (enable) {
2473 ret = pm_runtime_resume_and_get(&client->dev);
2474 if (ret < 0)
2475 goto unlock_and_return;
2476
2477 ret = ov5670_start_streaming(ov5670);
2478 if (ret)
2479 goto error;
2480 } else {
2481 ret = ov5670_stop_streaming(ov5670);
2482 pm_runtime_put(&client->dev);
2483 }
2484 goto unlock_and_return;
2485
2486 error:
2487 pm_runtime_put(&client->dev);
2488
2489 unlock_and_return:
2490 mutex_unlock(&ov5670->mutex);
2491
2492 return ret;
2493 }
2494
ov5670_runtime_resume(struct device * dev)2495 static int __maybe_unused ov5670_runtime_resume(struct device *dev)
2496 {
2497 struct i2c_client *client = to_i2c_client(dev);
2498 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2499 struct ov5670 *ov5670 = to_ov5670(sd);
2500 unsigned long delay_us;
2501 int ret;
2502
2503 ret = clk_prepare_enable(ov5670->xvclk);
2504 if (ret)
2505 return ret;
2506
2507 ret = regulator_bulk_enable(OV5670_NUM_SUPPLIES, ov5670->supplies);
2508 if (ret) {
2509 clk_disable_unprepare(ov5670->xvclk);
2510 return ret;
2511 }
2512
2513 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 0);
2514 gpiod_set_value_cansleep(ov5670->reset_gpio, 0);
2515
2516 /* 8192 * 2 clock pulses before the first SCCB transaction. */
2517 delay_us = DIV_ROUND_UP(8192 * 2 * 1000,
2518 DIV_ROUND_UP(OV5670_XVCLK_FREQ, 1000));
2519 fsleep(delay_us);
2520
2521 return 0;
2522 }
2523
ov5670_runtime_suspend(struct device * dev)2524 static int __maybe_unused ov5670_runtime_suspend(struct device *dev)
2525 {
2526 struct i2c_client *client = to_i2c_client(dev);
2527 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2528 struct ov5670 *ov5670 = to_ov5670(sd);
2529
2530 gpiod_set_value_cansleep(ov5670->reset_gpio, 1);
2531 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 1);
2532 regulator_bulk_disable(OV5670_NUM_SUPPLIES, ov5670->supplies);
2533 clk_disable_unprepare(ov5670->xvclk);
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_state_get_crop(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 .enum_mbus_code = ov5670_enum_mbus_code,
2596 .get_fmt = ov5670_get_pad_format,
2597 .set_fmt = ov5670_set_pad_format,
2598 .enum_frame_size = ov5670_enum_frame_size,
2599 .get_selection = ov5670_get_selection,
2600 .set_selection = ov5670_get_selection,
2601 };
2602
2603 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2604 .g_skip_frames = ov5670_get_skip_frames,
2605 };
2606
2607 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2608 .core = &ov5670_core_ops,
2609 .video = &ov5670_video_ops,
2610 .pad = &ov5670_pad_ops,
2611 .sensor = &ov5670_sensor_ops,
2612 };
2613
2614 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2615 .init_state = ov5670_init_state,
2616 };
2617
2618 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2619 .link_validate = v4l2_subdev_link_validate,
2620 };
2621
ov5670_regulators_probe(struct ov5670 * ov5670)2622 static int ov5670_regulators_probe(struct ov5670 *ov5670)
2623 {
2624 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2625 unsigned int i;
2626
2627 for (i = 0; i < OV5670_NUM_SUPPLIES; i++)
2628 ov5670->supplies[i].supply = ov5670_supply_names[i];
2629
2630 return devm_regulator_bulk_get(&client->dev, OV5670_NUM_SUPPLIES,
2631 ov5670->supplies);
2632 }
2633
ov5670_gpio_probe(struct ov5670 * ov5670)2634 static int ov5670_gpio_probe(struct ov5670 *ov5670)
2635 {
2636 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2637
2638 ov5670->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
2639 GPIOD_OUT_LOW);
2640 if (IS_ERR(ov5670->pwdn_gpio))
2641 return PTR_ERR(ov5670->pwdn_gpio);
2642
2643 ov5670->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset",
2644 GPIOD_OUT_LOW);
2645 if (IS_ERR(ov5670->reset_gpio))
2646 return PTR_ERR(ov5670->reset_gpio);
2647
2648 return 0;
2649 }
2650
ov5670_probe(struct i2c_client * client)2651 static int ov5670_probe(struct i2c_client *client)
2652 {
2653 struct fwnode_handle *handle;
2654 struct ov5670 *ov5670;
2655 u32 input_clk = 0;
2656 bool full_power;
2657 int ret;
2658
2659 ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2660 if (!ov5670)
2661 return -ENOMEM;
2662
2663 ov5670->xvclk = devm_clk_get_optional(&client->dev, NULL);
2664 if (!IS_ERR_OR_NULL(ov5670->xvclk))
2665 input_clk = clk_get_rate(ov5670->xvclk);
2666 else if (!ov5670->xvclk || 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 ov5670->sd.internal_ops = &ov5670_internal_ops;
2682
2683 ret = ov5670_regulators_probe(ov5670);
2684 if (ret)
2685 return dev_err_probe(&client->dev, ret, "Regulators probe failed\n");
2686
2687 ret = ov5670_gpio_probe(ov5670);
2688 if (ret)
2689 return dev_err_probe(&client->dev, ret, "GPIO probe failed\n");
2690
2691 /* Graph Endpoint */
2692 handle = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL);
2693 if (!handle)
2694 return dev_err_probe(&client->dev, -ENXIO, "Endpoint for node get failed\n");
2695
2696 ov5670->endpoint.bus_type = V4L2_MBUS_CSI2_DPHY;
2697 ov5670->endpoint.bus.mipi_csi2.num_data_lanes = 2;
2698
2699 ret = v4l2_fwnode_endpoint_alloc_parse(handle, &ov5670->endpoint);
2700 fwnode_handle_put(handle);
2701 if (ret)
2702 return dev_err_probe(&client->dev, ret, "Endpoint parse failed\n");
2703
2704 full_power = acpi_dev_state_d0(&client->dev);
2705 if (full_power) {
2706 ret = ov5670_runtime_resume(&client->dev);
2707 if (ret) {
2708 dev_err_probe(&client->dev, ret, "Power up failed\n");
2709 goto error_endpoint;
2710 }
2711
2712 /* Check module identity */
2713 ret = ov5670_identify_module(ov5670);
2714 if (ret) {
2715 dev_err_probe(&client->dev, ret, "ov5670_identify_module() error\n");
2716 goto error_power_off;
2717 }
2718 }
2719
2720 mutex_init(&ov5670->mutex);
2721
2722 /* Set default mode to max resolution */
2723 ov5670->cur_mode = &supported_modes[0];
2724
2725 ret = ov5670_init_controls(ov5670);
2726 if (ret) {
2727 dev_err_probe(&client->dev, ret, "ov5670_init_controls() error\n");
2728 goto error_mutex_destroy;
2729 }
2730
2731 ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
2732 V4L2_SUBDEV_FL_HAS_EVENTS;
2733 ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2734 ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2735
2736 /* Source pad initialization */
2737 ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2738 ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2739 if (ret) {
2740 dev_err_probe(&client->dev, ret, "media_entity_pads_init() error\n");
2741 goto error_handler_free;
2742 }
2743
2744 /* Set the device's state to active if it's in D0 state. */
2745 if (full_power)
2746 pm_runtime_set_active(&client->dev);
2747 pm_runtime_enable(&client->dev);
2748
2749 /* Async register for subdev */
2750 ret = v4l2_async_register_subdev_sensor(&ov5670->sd);
2751 if (ret < 0) {
2752 dev_err_probe(&client->dev, ret, "v4l2_async_register_subdev() error\n");
2753 goto error_pm_disable;
2754 }
2755
2756 pm_runtime_idle(&client->dev);
2757
2758 return 0;
2759
2760 error_pm_disable:
2761 pm_runtime_disable(&client->dev);
2762
2763 media_entity_cleanup(&ov5670->sd.entity);
2764
2765 error_handler_free:
2766 v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2767
2768 error_mutex_destroy:
2769 mutex_destroy(&ov5670->mutex);
2770
2771 error_power_off:
2772 if (full_power)
2773 ov5670_runtime_suspend(&client->dev);
2774
2775 error_endpoint:
2776 v4l2_fwnode_endpoint_free(&ov5670->endpoint);
2777
2778 return ret;
2779 }
2780
ov5670_remove(struct i2c_client * client)2781 static void ov5670_remove(struct i2c_client *client)
2782 {
2783 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2784 struct ov5670 *ov5670 = to_ov5670(sd);
2785
2786 v4l2_async_unregister_subdev(sd);
2787 media_entity_cleanup(&sd->entity);
2788 v4l2_ctrl_handler_free(sd->ctrl_handler);
2789 mutex_destroy(&ov5670->mutex);
2790
2791 pm_runtime_disable(&client->dev);
2792 ov5670_runtime_suspend(&client->dev);
2793
2794 v4l2_fwnode_endpoint_free(&ov5670->endpoint);
2795 }
2796
2797 static const struct dev_pm_ops ov5670_pm_ops = {
2798 SET_RUNTIME_PM_OPS(ov5670_runtime_suspend, ov5670_runtime_resume, NULL)
2799 };
2800
2801 #ifdef CONFIG_ACPI
2802 static const struct acpi_device_id ov5670_acpi_ids[] = {
2803 { "INT3479" },
2804 { /* sentinel */ }
2805 };
2806
2807 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2808 #endif
2809
2810 static const struct of_device_id ov5670_of_ids[] = {
2811 { .compatible = "ovti,ov5670" },
2812 { /* sentinel */ }
2813 };
2814 MODULE_DEVICE_TABLE(of, ov5670_of_ids);
2815
2816 static struct i2c_driver ov5670_i2c_driver = {
2817 .driver = {
2818 .name = "ov5670",
2819 .pm = &ov5670_pm_ops,
2820 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2821 .of_match_table = ov5670_of_ids,
2822 },
2823 .probe = ov5670_probe,
2824 .remove = ov5670_remove,
2825 .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE,
2826 };
2827
2828 module_i2c_driver(ov5670_i2c_driver);
2829
2830 MODULE_AUTHOR("Rapolu, Chiranjeevi");
2831 MODULE_AUTHOR("Yang, Hyungwoo");
2832 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2833 MODULE_LICENSE("GPL v2");
2834