xref: /openbmc/linux/drivers/media/i2c/ov5670.c (revision 842ed298)
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Intel Corporation.
3 
4 #include <linux/acpi.h>
5 #include <linux/i2c.h>
6 #include <linux/module.h>
7 #include <linux/pm_runtime.h>
8 #include <media/v4l2-ctrls.h>
9 #include <media/v4l2-device.h>
10 #include <media/v4l2-fwnode.h>
11 
12 #define OV5670_REG_CHIP_ID		0x300a
13 #define OV5670_CHIP_ID			0x005670
14 
15 #define OV5670_REG_MODE_SELECT		0x0100
16 #define OV5670_MODE_STANDBY		0x00
17 #define OV5670_MODE_STREAMING		0x01
18 
19 #define OV5670_REG_SOFTWARE_RST		0x0103
20 #define OV5670_SOFTWARE_RST		0x01
21 
22 /* vertical-timings from sensor */
23 #define OV5670_REG_VTS			0x380e
24 #define OV5670_VTS_30FPS		0x0808 /* default for 30 fps */
25 #define OV5670_VTS_MAX			0xffff
26 
27 /* horizontal-timings from sensor */
28 #define OV5670_REG_HTS			0x380c
29 
30 /*
31  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
32  * In OV5670, Time-per-line = HTS/SCLK.
33  * HTS is fixed for all resolutions, not recommended to change.
34  */
35 #define OV5670_FIXED_PPL		2724	/* Pixels per line */
36 
37 /* Exposure controls from sensor */
38 #define OV5670_REG_EXPOSURE		0x3500
39 #define	OV5670_EXPOSURE_MIN		4
40 #define	OV5670_EXPOSURE_STEP		1
41 
42 /* Analog gain controls from sensor */
43 #define OV5670_REG_ANALOG_GAIN		0x3508
44 #define	ANALOG_GAIN_MIN			0
45 #define	ANALOG_GAIN_MAX			8191
46 #define	ANALOG_GAIN_STEP		1
47 #define	ANALOG_GAIN_DEFAULT		128
48 
49 /* Digital gain controls from sensor */
50 #define OV5670_REG_R_DGTL_GAIN		0x5032
51 #define OV5670_REG_G_DGTL_GAIN		0x5034
52 #define OV5670_REG_B_DGTL_GAIN		0x5036
53 #define OV5670_DGTL_GAIN_MIN		0
54 #define OV5670_DGTL_GAIN_MAX		4095
55 #define OV5670_DGTL_GAIN_STEP		1
56 #define OV5670_DGTL_GAIN_DEFAULT	1024
57 
58 /* Test Pattern Control */
59 #define OV5670_REG_TEST_PATTERN		0x4303
60 #define OV5670_TEST_PATTERN_ENABLE	BIT(3)
61 #define OV5670_REG_TEST_PATTERN_CTRL	0x4320
62 
63 #define OV5670_REG_VALUE_08BIT		1
64 #define OV5670_REG_VALUE_16BIT		2
65 #define OV5670_REG_VALUE_24BIT		3
66 
67 /* Initial number of frames to skip to avoid possible garbage */
68 #define OV5670_NUM_OF_SKIP_FRAMES	2
69 
70 struct ov5670_reg {
71 	u16 address;
72 	u8 val;
73 };
74 
75 struct ov5670_reg_list {
76 	u32 num_of_regs;
77 	const struct ov5670_reg *regs;
78 };
79 
80 struct ov5670_link_freq_config {
81 	u32 pixel_rate;
82 	const struct ov5670_reg_list reg_list;
83 };
84 
85 struct ov5670_mode {
86 	/* Frame width in pixels */
87 	u32 width;
88 
89 	/* Frame height in pixels */
90 	u32 height;
91 
92 	/* Default vertical timining size */
93 	u32 vts_def;
94 
95 	/* Min vertical timining size */
96 	u32 vts_min;
97 
98 	/* Link frequency needed for this resolution */
99 	u32 link_freq_index;
100 
101 	/* Sensor register settings for this resolution */
102 	const struct ov5670_reg_list reg_list;
103 };
104 
105 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
106 	{0x0300, 0x04},
107 	{0x0301, 0x00},
108 	{0x0302, 0x84},
109 	{0x0303, 0x00},
110 	{0x0304, 0x03},
111 	{0x0305, 0x01},
112 	{0x0306, 0x01},
113 	{0x030a, 0x00},
114 	{0x030b, 0x00},
115 	{0x030c, 0x00},
116 	{0x030d, 0x26},
117 	{0x030e, 0x00},
118 	{0x030f, 0x06},
119 	{0x0312, 0x01},
120 	{0x3031, 0x0a},
121 };
122 
123 static const struct ov5670_reg mode_2592x1944_regs[] = {
124 	{0x3000, 0x00},
125 	{0x3002, 0x21},
126 	{0x3005, 0xf0},
127 	{0x3007, 0x00},
128 	{0x3015, 0x0f},
129 	{0x3018, 0x32},
130 	{0x301a, 0xf0},
131 	{0x301b, 0xf0},
132 	{0x301c, 0xf0},
133 	{0x301d, 0xf0},
134 	{0x301e, 0xf0},
135 	{0x3030, 0x00},
136 	{0x3031, 0x0a},
137 	{0x303c, 0xff},
138 	{0x303e, 0xff},
139 	{0x3040, 0xf0},
140 	{0x3041, 0x00},
141 	{0x3042, 0xf0},
142 	{0x3106, 0x11},
143 	{0x3500, 0x00},
144 	{0x3501, 0x80},
145 	{0x3502, 0x00},
146 	{0x3503, 0x04},
147 	{0x3504, 0x03},
148 	{0x3505, 0x83},
149 	{0x3508, 0x04},
150 	{0x3509, 0x00},
151 	{0x350e, 0x04},
152 	{0x350f, 0x00},
153 	{0x3510, 0x00},
154 	{0x3511, 0x02},
155 	{0x3512, 0x00},
156 	{0x3601, 0xc8},
157 	{0x3610, 0x88},
158 	{0x3612, 0x48},
159 	{0x3614, 0x5b},
160 	{0x3615, 0x96},
161 	{0x3621, 0xd0},
162 	{0x3622, 0x00},
163 	{0x3623, 0x00},
164 	{0x3633, 0x13},
165 	{0x3634, 0x13},
166 	{0x3635, 0x13},
167 	{0x3636, 0x13},
168 	{0x3645, 0x13},
169 	{0x3646, 0x82},
170 	{0x3650, 0x00},
171 	{0x3652, 0xff},
172 	{0x3655, 0x20},
173 	{0x3656, 0xff},
174 	{0x365a, 0xff},
175 	{0x365e, 0xff},
176 	{0x3668, 0x00},
177 	{0x366a, 0x07},
178 	{0x366e, 0x10},
179 	{0x366d, 0x00},
180 	{0x366f, 0x80},
181 	{0x3700, 0x28},
182 	{0x3701, 0x10},
183 	{0x3702, 0x3a},
184 	{0x3703, 0x19},
185 	{0x3704, 0x10},
186 	{0x3705, 0x00},
187 	{0x3706, 0x66},
188 	{0x3707, 0x08},
189 	{0x3708, 0x34},
190 	{0x3709, 0x40},
191 	{0x370a, 0x01},
192 	{0x370b, 0x1b},
193 	{0x3714, 0x24},
194 	{0x371a, 0x3e},
195 	{0x3733, 0x00},
196 	{0x3734, 0x00},
197 	{0x373a, 0x05},
198 	{0x373b, 0x06},
199 	{0x373c, 0x0a},
200 	{0x373f, 0xa0},
201 	{0x3755, 0x00},
202 	{0x3758, 0x00},
203 	{0x375b, 0x0e},
204 	{0x3766, 0x5f},
205 	{0x3768, 0x00},
206 	{0x3769, 0x22},
207 	{0x3773, 0x08},
208 	{0x3774, 0x1f},
209 	{0x3776, 0x06},
210 	{0x37a0, 0x88},
211 	{0x37a1, 0x5c},
212 	{0x37a7, 0x88},
213 	{0x37a8, 0x70},
214 	{0x37aa, 0x88},
215 	{0x37ab, 0x48},
216 	{0x37b3, 0x66},
217 	{0x37c2, 0x04},
218 	{0x37c5, 0x00},
219 	{0x37c8, 0x00},
220 	{0x3800, 0x00},
221 	{0x3801, 0x0c},
222 	{0x3802, 0x00},
223 	{0x3803, 0x04},
224 	{0x3804, 0x0a},
225 	{0x3805, 0x33},
226 	{0x3806, 0x07},
227 	{0x3807, 0xa3},
228 	{0x3808, 0x0a},
229 	{0x3809, 0x20},
230 	{0x380a, 0x07},
231 	{0x380b, 0x98},
232 	{0x380c, 0x06},
233 	{0x380d, 0x90},
234 	{0x380e, 0x08},
235 	{0x380f, 0x08},
236 	{0x3811, 0x04},
237 	{0x3813, 0x02},
238 	{0x3814, 0x01},
239 	{0x3815, 0x01},
240 	{0x3816, 0x00},
241 	{0x3817, 0x00},
242 	{0x3818, 0x00},
243 	{0x3819, 0x00},
244 	{0x3820, 0x84},
245 	{0x3821, 0x46},
246 	{0x3822, 0x48},
247 	{0x3826, 0x00},
248 	{0x3827, 0x08},
249 	{0x382a, 0x01},
250 	{0x382b, 0x01},
251 	{0x3830, 0x08},
252 	{0x3836, 0x02},
253 	{0x3837, 0x00},
254 	{0x3838, 0x10},
255 	{0x3841, 0xff},
256 	{0x3846, 0x48},
257 	{0x3861, 0x00},
258 	{0x3862, 0x04},
259 	{0x3863, 0x06},
260 	{0x3a11, 0x01},
261 	{0x3a12, 0x78},
262 	{0x3b00, 0x00},
263 	{0x3b02, 0x00},
264 	{0x3b03, 0x00},
265 	{0x3b04, 0x00},
266 	{0x3b05, 0x00},
267 	{0x3c00, 0x89},
268 	{0x3c01, 0xab},
269 	{0x3c02, 0x01},
270 	{0x3c03, 0x00},
271 	{0x3c04, 0x00},
272 	{0x3c05, 0x03},
273 	{0x3c06, 0x00},
274 	{0x3c07, 0x05},
275 	{0x3c0c, 0x00},
276 	{0x3c0d, 0x00},
277 	{0x3c0e, 0x00},
278 	{0x3c0f, 0x00},
279 	{0x3c40, 0x00},
280 	{0x3c41, 0xa3},
281 	{0x3c43, 0x7d},
282 	{0x3c45, 0xd7},
283 	{0x3c47, 0xfc},
284 	{0x3c50, 0x05},
285 	{0x3c52, 0xaa},
286 	{0x3c54, 0x71},
287 	{0x3c56, 0x80},
288 	{0x3d85, 0x17},
289 	{0x3f03, 0x00},
290 	{0x3f0a, 0x00},
291 	{0x3f0b, 0x00},
292 	{0x4001, 0x60},
293 	{0x4009, 0x0d},
294 	{0x4020, 0x00},
295 	{0x4021, 0x00},
296 	{0x4022, 0x00},
297 	{0x4023, 0x00},
298 	{0x4024, 0x00},
299 	{0x4025, 0x00},
300 	{0x4026, 0x00},
301 	{0x4027, 0x00},
302 	{0x4028, 0x00},
303 	{0x4029, 0x00},
304 	{0x402a, 0x00},
305 	{0x402b, 0x00},
306 	{0x402c, 0x00},
307 	{0x402d, 0x00},
308 	{0x402e, 0x00},
309 	{0x402f, 0x00},
310 	{0x4040, 0x00},
311 	{0x4041, 0x03},
312 	{0x4042, 0x00},
313 	{0x4043, 0x7A},
314 	{0x4044, 0x00},
315 	{0x4045, 0x7A},
316 	{0x4046, 0x00},
317 	{0x4047, 0x7A},
318 	{0x4048, 0x00},
319 	{0x4049, 0x7A},
320 	{0x4307, 0x30},
321 	{0x4500, 0x58},
322 	{0x4501, 0x04},
323 	{0x4502, 0x40},
324 	{0x4503, 0x10},
325 	{0x4508, 0xaa},
326 	{0x4509, 0xaa},
327 	{0x450a, 0x00},
328 	{0x450b, 0x00},
329 	{0x4600, 0x01},
330 	{0x4601, 0x03},
331 	{0x4700, 0xa4},
332 	{0x4800, 0x4c},
333 	{0x4816, 0x53},
334 	{0x481f, 0x40},
335 	{0x4837, 0x13},
336 	{0x5000, 0x56},
337 	{0x5001, 0x01},
338 	{0x5002, 0x28},
339 	{0x5004, 0x0c},
340 	{0x5006, 0x0c},
341 	{0x5007, 0xe0},
342 	{0x5008, 0x01},
343 	{0x5009, 0xb0},
344 	{0x5901, 0x00},
345 	{0x5a01, 0x00},
346 	{0x5a03, 0x00},
347 	{0x5a04, 0x0c},
348 	{0x5a05, 0xe0},
349 	{0x5a06, 0x09},
350 	{0x5a07, 0xb0},
351 	{0x5a08, 0x06},
352 	{0x5e00, 0x00},
353 	{0x3734, 0x40},
354 	{0x5b00, 0x01},
355 	{0x5b01, 0x10},
356 	{0x5b02, 0x01},
357 	{0x5b03, 0xdb},
358 	{0x3d8c, 0x71},
359 	{0x3d8d, 0xea},
360 	{0x4017, 0x08},
361 	{0x3618, 0x2a},
362 	{0x5780, 0x3e},
363 	{0x5781, 0x0f},
364 	{0x5782, 0x44},
365 	{0x5783, 0x02},
366 	{0x5784, 0x01},
367 	{0x5785, 0x01},
368 	{0x5786, 0x00},
369 	{0x5787, 0x04},
370 	{0x5788, 0x02},
371 	{0x5789, 0x0f},
372 	{0x578a, 0xfd},
373 	{0x578b, 0xf5},
374 	{0x578c, 0xf5},
375 	{0x578d, 0x03},
376 	{0x578e, 0x08},
377 	{0x578f, 0x0c},
378 	{0x5790, 0x08},
379 	{0x5791, 0x06},
380 	{0x5792, 0x00},
381 	{0x5793, 0x52},
382 	{0x5794, 0xa3},
383 	{0x3503, 0x00},
384 	{0x5045, 0x05},
385 	{0x4003, 0x40},
386 	{0x5048, 0x40}
387 };
388 
389 static const struct ov5670_reg mode_1296x972_regs[] = {
390 	{0x3000, 0x00},
391 	{0x3002, 0x21},
392 	{0x3005, 0xf0},
393 	{0x3007, 0x00},
394 	{0x3015, 0x0f},
395 	{0x3018, 0x32},
396 	{0x301a, 0xf0},
397 	{0x301b, 0xf0},
398 	{0x301c, 0xf0},
399 	{0x301d, 0xf0},
400 	{0x301e, 0xf0},
401 	{0x3030, 0x00},
402 	{0x3031, 0x0a},
403 	{0x303c, 0xff},
404 	{0x303e, 0xff},
405 	{0x3040, 0xf0},
406 	{0x3041, 0x00},
407 	{0x3042, 0xf0},
408 	{0x3106, 0x11},
409 	{0x3500, 0x00},
410 	{0x3501, 0x80},
411 	{0x3502, 0x00},
412 	{0x3503, 0x04},
413 	{0x3504, 0x03},
414 	{0x3505, 0x83},
415 	{0x3508, 0x07},
416 	{0x3509, 0x80},
417 	{0x350e, 0x04},
418 	{0x350f, 0x00},
419 	{0x3510, 0x00},
420 	{0x3511, 0x02},
421 	{0x3512, 0x00},
422 	{0x3601, 0xc8},
423 	{0x3610, 0x88},
424 	{0x3612, 0x48},
425 	{0x3614, 0x5b},
426 	{0x3615, 0x96},
427 	{0x3621, 0xd0},
428 	{0x3622, 0x00},
429 	{0x3623, 0x00},
430 	{0x3633, 0x13},
431 	{0x3634, 0x13},
432 	{0x3635, 0x13},
433 	{0x3636, 0x13},
434 	{0x3645, 0x13},
435 	{0x3646, 0x82},
436 	{0x3650, 0x00},
437 	{0x3652, 0xff},
438 	{0x3655, 0x20},
439 	{0x3656, 0xff},
440 	{0x365a, 0xff},
441 	{0x365e, 0xff},
442 	{0x3668, 0x00},
443 	{0x366a, 0x07},
444 	{0x366e, 0x08},
445 	{0x366d, 0x00},
446 	{0x366f, 0x80},
447 	{0x3700, 0x28},
448 	{0x3701, 0x10},
449 	{0x3702, 0x3a},
450 	{0x3703, 0x19},
451 	{0x3704, 0x10},
452 	{0x3705, 0x00},
453 	{0x3706, 0x66},
454 	{0x3707, 0x08},
455 	{0x3708, 0x34},
456 	{0x3709, 0x40},
457 	{0x370a, 0x01},
458 	{0x370b, 0x1b},
459 	{0x3714, 0x24},
460 	{0x371a, 0x3e},
461 	{0x3733, 0x00},
462 	{0x3734, 0x00},
463 	{0x373a, 0x05},
464 	{0x373b, 0x06},
465 	{0x373c, 0x0a},
466 	{0x373f, 0xa0},
467 	{0x3755, 0x00},
468 	{0x3758, 0x00},
469 	{0x375b, 0x0e},
470 	{0x3766, 0x5f},
471 	{0x3768, 0x00},
472 	{0x3769, 0x22},
473 	{0x3773, 0x08},
474 	{0x3774, 0x1f},
475 	{0x3776, 0x06},
476 	{0x37a0, 0x88},
477 	{0x37a1, 0x5c},
478 	{0x37a7, 0x88},
479 	{0x37a8, 0x70},
480 	{0x37aa, 0x88},
481 	{0x37ab, 0x48},
482 	{0x37b3, 0x66},
483 	{0x37c2, 0x04},
484 	{0x37c5, 0x00},
485 	{0x37c8, 0x00},
486 	{0x3800, 0x00},
487 	{0x3801, 0x0c},
488 	{0x3802, 0x00},
489 	{0x3803, 0x04},
490 	{0x3804, 0x0a},
491 	{0x3805, 0x33},
492 	{0x3806, 0x07},
493 	{0x3807, 0xa3},
494 	{0x3808, 0x05},
495 	{0x3809, 0x10},
496 	{0x380a, 0x03},
497 	{0x380b, 0xcc},
498 	{0x380c, 0x06},
499 	{0x380d, 0x90},
500 	{0x380e, 0x08},
501 	{0x380f, 0x08},
502 	{0x3811, 0x04},
503 	{0x3813, 0x04},
504 	{0x3814, 0x03},
505 	{0x3815, 0x01},
506 	{0x3816, 0x00},
507 	{0x3817, 0x00},
508 	{0x3818, 0x00},
509 	{0x3819, 0x00},
510 	{0x3820, 0x94},
511 	{0x3821, 0x47},
512 	{0x3822, 0x48},
513 	{0x3826, 0x00},
514 	{0x3827, 0x08},
515 	{0x382a, 0x03},
516 	{0x382b, 0x01},
517 	{0x3830, 0x08},
518 	{0x3836, 0x02},
519 	{0x3837, 0x00},
520 	{0x3838, 0x10},
521 	{0x3841, 0xff},
522 	{0x3846, 0x48},
523 	{0x3861, 0x00},
524 	{0x3862, 0x04},
525 	{0x3863, 0x06},
526 	{0x3a11, 0x01},
527 	{0x3a12, 0x78},
528 	{0x3b00, 0x00},
529 	{0x3b02, 0x00},
530 	{0x3b03, 0x00},
531 	{0x3b04, 0x00},
532 	{0x3b05, 0x00},
533 	{0x3c00, 0x89},
534 	{0x3c01, 0xab},
535 	{0x3c02, 0x01},
536 	{0x3c03, 0x00},
537 	{0x3c04, 0x00},
538 	{0x3c05, 0x03},
539 	{0x3c06, 0x00},
540 	{0x3c07, 0x05},
541 	{0x3c0c, 0x00},
542 	{0x3c0d, 0x00},
543 	{0x3c0e, 0x00},
544 	{0x3c0f, 0x00},
545 	{0x3c40, 0x00},
546 	{0x3c41, 0xa3},
547 	{0x3c43, 0x7d},
548 	{0x3c45, 0xd7},
549 	{0x3c47, 0xfc},
550 	{0x3c50, 0x05},
551 	{0x3c52, 0xaa},
552 	{0x3c54, 0x71},
553 	{0x3c56, 0x80},
554 	{0x3d85, 0x17},
555 	{0x3f03, 0x00},
556 	{0x3f0a, 0x00},
557 	{0x3f0b, 0x00},
558 	{0x4001, 0x60},
559 	{0x4009, 0x05},
560 	{0x4020, 0x00},
561 	{0x4021, 0x00},
562 	{0x4022, 0x00},
563 	{0x4023, 0x00},
564 	{0x4024, 0x00},
565 	{0x4025, 0x00},
566 	{0x4026, 0x00},
567 	{0x4027, 0x00},
568 	{0x4028, 0x00},
569 	{0x4029, 0x00},
570 	{0x402a, 0x00},
571 	{0x402b, 0x00},
572 	{0x402c, 0x00},
573 	{0x402d, 0x00},
574 	{0x402e, 0x00},
575 	{0x402f, 0x00},
576 	{0x4040, 0x00},
577 	{0x4041, 0x03},
578 	{0x4042, 0x00},
579 	{0x4043, 0x7A},
580 	{0x4044, 0x00},
581 	{0x4045, 0x7A},
582 	{0x4046, 0x00},
583 	{0x4047, 0x7A},
584 	{0x4048, 0x00},
585 	{0x4049, 0x7A},
586 	{0x4307, 0x30},
587 	{0x4500, 0x58},
588 	{0x4501, 0x04},
589 	{0x4502, 0x48},
590 	{0x4503, 0x10},
591 	{0x4508, 0x55},
592 	{0x4509, 0x55},
593 	{0x450a, 0x00},
594 	{0x450b, 0x00},
595 	{0x4600, 0x00},
596 	{0x4601, 0x81},
597 	{0x4700, 0xa4},
598 	{0x4800, 0x4c},
599 	{0x4816, 0x53},
600 	{0x481f, 0x40},
601 	{0x4837, 0x13},
602 	{0x5000, 0x56},
603 	{0x5001, 0x01},
604 	{0x5002, 0x28},
605 	{0x5004, 0x0c},
606 	{0x5006, 0x0c},
607 	{0x5007, 0xe0},
608 	{0x5008, 0x01},
609 	{0x5009, 0xb0},
610 	{0x5901, 0x00},
611 	{0x5a01, 0x00},
612 	{0x5a03, 0x00},
613 	{0x5a04, 0x0c},
614 	{0x5a05, 0xe0},
615 	{0x5a06, 0x09},
616 	{0x5a07, 0xb0},
617 	{0x5a08, 0x06},
618 	{0x5e00, 0x00},
619 	{0x3734, 0x40},
620 	{0x5b00, 0x01},
621 	{0x5b01, 0x10},
622 	{0x5b02, 0x01},
623 	{0x5b03, 0xdb},
624 	{0x3d8c, 0x71},
625 	{0x3d8d, 0xea},
626 	{0x4017, 0x10},
627 	{0x3618, 0x2a},
628 	{0x5780, 0x3e},
629 	{0x5781, 0x0f},
630 	{0x5782, 0x44},
631 	{0x5783, 0x02},
632 	{0x5784, 0x01},
633 	{0x5785, 0x01},
634 	{0x5786, 0x00},
635 	{0x5787, 0x04},
636 	{0x5788, 0x02},
637 	{0x5789, 0x0f},
638 	{0x578a, 0xfd},
639 	{0x578b, 0xf5},
640 	{0x578c, 0xf5},
641 	{0x578d, 0x03},
642 	{0x578e, 0x08},
643 	{0x578f, 0x0c},
644 	{0x5790, 0x08},
645 	{0x5791, 0x04},
646 	{0x5792, 0x00},
647 	{0x5793, 0x52},
648 	{0x5794, 0xa3},
649 	{0x3503, 0x00},
650 	{0x5045, 0x05},
651 	{0x4003, 0x40},
652 	{0x5048, 0x40}
653 };
654 
655 static const struct ov5670_reg mode_648x486_regs[] = {
656 	{0x3000, 0x00},
657 	{0x3002, 0x21},
658 	{0x3005, 0xf0},
659 	{0x3007, 0x00},
660 	{0x3015, 0x0f},
661 	{0x3018, 0x32},
662 	{0x301a, 0xf0},
663 	{0x301b, 0xf0},
664 	{0x301c, 0xf0},
665 	{0x301d, 0xf0},
666 	{0x301e, 0xf0},
667 	{0x3030, 0x00},
668 	{0x3031, 0x0a},
669 	{0x303c, 0xff},
670 	{0x303e, 0xff},
671 	{0x3040, 0xf0},
672 	{0x3041, 0x00},
673 	{0x3042, 0xf0},
674 	{0x3106, 0x11},
675 	{0x3500, 0x00},
676 	{0x3501, 0x80},
677 	{0x3502, 0x00},
678 	{0x3503, 0x04},
679 	{0x3504, 0x03},
680 	{0x3505, 0x83},
681 	{0x3508, 0x04},
682 	{0x3509, 0x00},
683 	{0x350e, 0x04},
684 	{0x350f, 0x00},
685 	{0x3510, 0x00},
686 	{0x3511, 0x02},
687 	{0x3512, 0x00},
688 	{0x3601, 0xc8},
689 	{0x3610, 0x88},
690 	{0x3612, 0x48},
691 	{0x3614, 0x5b},
692 	{0x3615, 0x96},
693 	{0x3621, 0xd0},
694 	{0x3622, 0x00},
695 	{0x3623, 0x04},
696 	{0x3633, 0x13},
697 	{0x3634, 0x13},
698 	{0x3635, 0x13},
699 	{0x3636, 0x13},
700 	{0x3645, 0x13},
701 	{0x3646, 0x82},
702 	{0x3650, 0x00},
703 	{0x3652, 0xff},
704 	{0x3655, 0x20},
705 	{0x3656, 0xff},
706 	{0x365a, 0xff},
707 	{0x365e, 0xff},
708 	{0x3668, 0x00},
709 	{0x366a, 0x07},
710 	{0x366e, 0x08},
711 	{0x366d, 0x00},
712 	{0x366f, 0x80},
713 	{0x3700, 0x28},
714 	{0x3701, 0x10},
715 	{0x3702, 0x3a},
716 	{0x3703, 0x19},
717 	{0x3704, 0x10},
718 	{0x3705, 0x00},
719 	{0x3706, 0x66},
720 	{0x3707, 0x08},
721 	{0x3708, 0x34},
722 	{0x3709, 0x40},
723 	{0x370a, 0x01},
724 	{0x370b, 0x1b},
725 	{0x3714, 0x24},
726 	{0x371a, 0x3e},
727 	{0x3733, 0x00},
728 	{0x3734, 0x00},
729 	{0x373a, 0x05},
730 	{0x373b, 0x06},
731 	{0x373c, 0x0a},
732 	{0x373f, 0xa0},
733 	{0x3755, 0x00},
734 	{0x3758, 0x00},
735 	{0x375b, 0x0e},
736 	{0x3766, 0x5f},
737 	{0x3768, 0x00},
738 	{0x3769, 0x22},
739 	{0x3773, 0x08},
740 	{0x3774, 0x1f},
741 	{0x3776, 0x06},
742 	{0x37a0, 0x88},
743 	{0x37a1, 0x5c},
744 	{0x37a7, 0x88},
745 	{0x37a8, 0x70},
746 	{0x37aa, 0x88},
747 	{0x37ab, 0x48},
748 	{0x37b3, 0x66},
749 	{0x37c2, 0x04},
750 	{0x37c5, 0x00},
751 	{0x37c8, 0x00},
752 	{0x3800, 0x00},
753 	{0x3801, 0x0c},
754 	{0x3802, 0x00},
755 	{0x3803, 0x04},
756 	{0x3804, 0x0a},
757 	{0x3805, 0x33},
758 	{0x3806, 0x07},
759 	{0x3807, 0xa3},
760 	{0x3808, 0x02},
761 	{0x3809, 0x88},
762 	{0x380a, 0x01},
763 	{0x380b, 0xe6},
764 	{0x380c, 0x06},
765 	{0x380d, 0x90},
766 	{0x380e, 0x08},
767 	{0x380f, 0x08},
768 	{0x3811, 0x04},
769 	{0x3813, 0x02},
770 	{0x3814, 0x07},
771 	{0x3815, 0x01},
772 	{0x3816, 0x00},
773 	{0x3817, 0x00},
774 	{0x3818, 0x00},
775 	{0x3819, 0x00},
776 	{0x3820, 0x94},
777 	{0x3821, 0xc6},
778 	{0x3822, 0x48},
779 	{0x3826, 0x00},
780 	{0x3827, 0x08},
781 	{0x382a, 0x07},
782 	{0x382b, 0x01},
783 	{0x3830, 0x08},
784 	{0x3836, 0x02},
785 	{0x3837, 0x00},
786 	{0x3838, 0x10},
787 	{0x3841, 0xff},
788 	{0x3846, 0x48},
789 	{0x3861, 0x00},
790 	{0x3862, 0x04},
791 	{0x3863, 0x06},
792 	{0x3a11, 0x01},
793 	{0x3a12, 0x78},
794 	{0x3b00, 0x00},
795 	{0x3b02, 0x00},
796 	{0x3b03, 0x00},
797 	{0x3b04, 0x00},
798 	{0x3b05, 0x00},
799 	{0x3c00, 0x89},
800 	{0x3c01, 0xab},
801 	{0x3c02, 0x01},
802 	{0x3c03, 0x00},
803 	{0x3c04, 0x00},
804 	{0x3c05, 0x03},
805 	{0x3c06, 0x00},
806 	{0x3c07, 0x05},
807 	{0x3c0c, 0x00},
808 	{0x3c0d, 0x00},
809 	{0x3c0e, 0x00},
810 	{0x3c0f, 0x00},
811 	{0x3c40, 0x00},
812 	{0x3c41, 0xa3},
813 	{0x3c43, 0x7d},
814 	{0x3c45, 0xd7},
815 	{0x3c47, 0xfc},
816 	{0x3c50, 0x05},
817 	{0x3c52, 0xaa},
818 	{0x3c54, 0x71},
819 	{0x3c56, 0x80},
820 	{0x3d85, 0x17},
821 	{0x3f03, 0x00},
822 	{0x3f0a, 0x00},
823 	{0x3f0b, 0x00},
824 	{0x4001, 0x60},
825 	{0x4009, 0x05},
826 	{0x4020, 0x00},
827 	{0x4021, 0x00},
828 	{0x4022, 0x00},
829 	{0x4023, 0x00},
830 	{0x4024, 0x00},
831 	{0x4025, 0x00},
832 	{0x4026, 0x00},
833 	{0x4027, 0x00},
834 	{0x4028, 0x00},
835 	{0x4029, 0x00},
836 	{0x402a, 0x00},
837 	{0x402b, 0x00},
838 	{0x402c, 0x00},
839 	{0x402d, 0x00},
840 	{0x402e, 0x00},
841 	{0x402f, 0x00},
842 	{0x4040, 0x00},
843 	{0x4041, 0x03},
844 	{0x4042, 0x00},
845 	{0x4043, 0x7A},
846 	{0x4044, 0x00},
847 	{0x4045, 0x7A},
848 	{0x4046, 0x00},
849 	{0x4047, 0x7A},
850 	{0x4048, 0x00},
851 	{0x4049, 0x7A},
852 	{0x4307, 0x30},
853 	{0x4500, 0x58},
854 	{0x4501, 0x04},
855 	{0x4502, 0x40},
856 	{0x4503, 0x10},
857 	{0x4508, 0x55},
858 	{0x4509, 0x55},
859 	{0x450a, 0x02},
860 	{0x450b, 0x00},
861 	{0x4600, 0x00},
862 	{0x4601, 0x40},
863 	{0x4700, 0xa4},
864 	{0x4800, 0x4c},
865 	{0x4816, 0x53},
866 	{0x481f, 0x40},
867 	{0x4837, 0x13},
868 	{0x5000, 0x56},
869 	{0x5001, 0x01},
870 	{0x5002, 0x28},
871 	{0x5004, 0x0c},
872 	{0x5006, 0x0c},
873 	{0x5007, 0xe0},
874 	{0x5008, 0x01},
875 	{0x5009, 0xb0},
876 	{0x5901, 0x00},
877 	{0x5a01, 0x00},
878 	{0x5a03, 0x00},
879 	{0x5a04, 0x0c},
880 	{0x5a05, 0xe0},
881 	{0x5a06, 0x09},
882 	{0x5a07, 0xb0},
883 	{0x5a08, 0x06},
884 	{0x5e00, 0x00},
885 	{0x3734, 0x40},
886 	{0x5b00, 0x01},
887 	{0x5b01, 0x10},
888 	{0x5b02, 0x01},
889 	{0x5b03, 0xdb},
890 	{0x3d8c, 0x71},
891 	{0x3d8d, 0xea},
892 	{0x4017, 0x10},
893 	{0x3618, 0x2a},
894 	{0x5780, 0x3e},
895 	{0x5781, 0x0f},
896 	{0x5782, 0x44},
897 	{0x5783, 0x02},
898 	{0x5784, 0x01},
899 	{0x5785, 0x01},
900 	{0x5786, 0x00},
901 	{0x5787, 0x04},
902 	{0x5788, 0x02},
903 	{0x5789, 0x0f},
904 	{0x578a, 0xfd},
905 	{0x578b, 0xf5},
906 	{0x578c, 0xf5},
907 	{0x578d, 0x03},
908 	{0x578e, 0x08},
909 	{0x578f, 0x0c},
910 	{0x5790, 0x08},
911 	{0x5791, 0x06},
912 	{0x5792, 0x00},
913 	{0x5793, 0x52},
914 	{0x5794, 0xa3},
915 	{0x3503, 0x00},
916 	{0x5045, 0x05},
917 	{0x4003, 0x40},
918 	{0x5048, 0x40}
919 };
920 
921 static const struct ov5670_reg mode_2560x1440_regs[] = {
922 	{0x3000, 0x00},
923 	{0x3002, 0x21},
924 	{0x3005, 0xf0},
925 	{0x3007, 0x00},
926 	{0x3015, 0x0f},
927 	{0x3018, 0x32},
928 	{0x301a, 0xf0},
929 	{0x301b, 0xf0},
930 	{0x301c, 0xf0},
931 	{0x301d, 0xf0},
932 	{0x301e, 0xf0},
933 	{0x3030, 0x00},
934 	{0x3031, 0x0a},
935 	{0x303c, 0xff},
936 	{0x303e, 0xff},
937 	{0x3040, 0xf0},
938 	{0x3041, 0x00},
939 	{0x3042, 0xf0},
940 	{0x3106, 0x11},
941 	{0x3500, 0x00},
942 	{0x3501, 0x80},
943 	{0x3502, 0x00},
944 	{0x3503, 0x04},
945 	{0x3504, 0x03},
946 	{0x3505, 0x83},
947 	{0x3508, 0x04},
948 	{0x3509, 0x00},
949 	{0x350e, 0x04},
950 	{0x350f, 0x00},
951 	{0x3510, 0x00},
952 	{0x3511, 0x02},
953 	{0x3512, 0x00},
954 	{0x3601, 0xc8},
955 	{0x3610, 0x88},
956 	{0x3612, 0x48},
957 	{0x3614, 0x5b},
958 	{0x3615, 0x96},
959 	{0x3621, 0xd0},
960 	{0x3622, 0x00},
961 	{0x3623, 0x00},
962 	{0x3633, 0x13},
963 	{0x3634, 0x13},
964 	{0x3635, 0x13},
965 	{0x3636, 0x13},
966 	{0x3645, 0x13},
967 	{0x3646, 0x82},
968 	{0x3650, 0x00},
969 	{0x3652, 0xff},
970 	{0x3655, 0x20},
971 	{0x3656, 0xff},
972 	{0x365a, 0xff},
973 	{0x365e, 0xff},
974 	{0x3668, 0x00},
975 	{0x366a, 0x07},
976 	{0x366e, 0x10},
977 	{0x366d, 0x00},
978 	{0x366f, 0x80},
979 	{0x3700, 0x28},
980 	{0x3701, 0x10},
981 	{0x3702, 0x3a},
982 	{0x3703, 0x19},
983 	{0x3704, 0x10},
984 	{0x3705, 0x00},
985 	{0x3706, 0x66},
986 	{0x3707, 0x08},
987 	{0x3708, 0x34},
988 	{0x3709, 0x40},
989 	{0x370a, 0x01},
990 	{0x370b, 0x1b},
991 	{0x3714, 0x24},
992 	{0x371a, 0x3e},
993 	{0x3733, 0x00},
994 	{0x3734, 0x00},
995 	{0x373a, 0x05},
996 	{0x373b, 0x06},
997 	{0x373c, 0x0a},
998 	{0x373f, 0xa0},
999 	{0x3755, 0x00},
1000 	{0x3758, 0x00},
1001 	{0x375b, 0x0e},
1002 	{0x3766, 0x5f},
1003 	{0x3768, 0x00},
1004 	{0x3769, 0x22},
1005 	{0x3773, 0x08},
1006 	{0x3774, 0x1f},
1007 	{0x3776, 0x06},
1008 	{0x37a0, 0x88},
1009 	{0x37a1, 0x5c},
1010 	{0x37a7, 0x88},
1011 	{0x37a8, 0x70},
1012 	{0x37aa, 0x88},
1013 	{0x37ab, 0x48},
1014 	{0x37b3, 0x66},
1015 	{0x37c2, 0x04},
1016 	{0x37c5, 0x00},
1017 	{0x37c8, 0x00},
1018 	{0x3800, 0x00},
1019 	{0x3801, 0x0c},
1020 	{0x3802, 0x00},
1021 	{0x3803, 0x04},
1022 	{0x3804, 0x0a},
1023 	{0x3805, 0x33},
1024 	{0x3806, 0x07},
1025 	{0x3807, 0xa3},
1026 	{0x3808, 0x0a},
1027 	{0x3809, 0x00},
1028 	{0x380a, 0x05},
1029 	{0x380b, 0xa0},
1030 	{0x380c, 0x06},
1031 	{0x380d, 0x90},
1032 	{0x380e, 0x08},
1033 	{0x380f, 0x08},
1034 	{0x3811, 0x04},
1035 	{0x3813, 0x02},
1036 	{0x3814, 0x01},
1037 	{0x3815, 0x01},
1038 	{0x3816, 0x00},
1039 	{0x3817, 0x00},
1040 	{0x3818, 0x00},
1041 	{0x3819, 0x00},
1042 	{0x3820, 0x84},
1043 	{0x3821, 0x46},
1044 	{0x3822, 0x48},
1045 	{0x3826, 0x00},
1046 	{0x3827, 0x08},
1047 	{0x382a, 0x01},
1048 	{0x382b, 0x01},
1049 	{0x3830, 0x08},
1050 	{0x3836, 0x02},
1051 	{0x3837, 0x00},
1052 	{0x3838, 0x10},
1053 	{0x3841, 0xff},
1054 	{0x3846, 0x48},
1055 	{0x3861, 0x00},
1056 	{0x3862, 0x04},
1057 	{0x3863, 0x06},
1058 	{0x3a11, 0x01},
1059 	{0x3a12, 0x78},
1060 	{0x3b00, 0x00},
1061 	{0x3b02, 0x00},
1062 	{0x3b03, 0x00},
1063 	{0x3b04, 0x00},
1064 	{0x3b05, 0x00},
1065 	{0x3c00, 0x89},
1066 	{0x3c01, 0xab},
1067 	{0x3c02, 0x01},
1068 	{0x3c03, 0x00},
1069 	{0x3c04, 0x00},
1070 	{0x3c05, 0x03},
1071 	{0x3c06, 0x00},
1072 	{0x3c07, 0x05},
1073 	{0x3c0c, 0x00},
1074 	{0x3c0d, 0x00},
1075 	{0x3c0e, 0x00},
1076 	{0x3c0f, 0x00},
1077 	{0x3c40, 0x00},
1078 	{0x3c41, 0xa3},
1079 	{0x3c43, 0x7d},
1080 	{0x3c45, 0xd7},
1081 	{0x3c47, 0xfc},
1082 	{0x3c50, 0x05},
1083 	{0x3c52, 0xaa},
1084 	{0x3c54, 0x71},
1085 	{0x3c56, 0x80},
1086 	{0x3d85, 0x17},
1087 	{0x3f03, 0x00},
1088 	{0x3f0a, 0x00},
1089 	{0x3f0b, 0x00},
1090 	{0x4001, 0x60},
1091 	{0x4009, 0x0d},
1092 	{0x4020, 0x00},
1093 	{0x4021, 0x00},
1094 	{0x4022, 0x00},
1095 	{0x4023, 0x00},
1096 	{0x4024, 0x00},
1097 	{0x4025, 0x00},
1098 	{0x4026, 0x00},
1099 	{0x4027, 0x00},
1100 	{0x4028, 0x00},
1101 	{0x4029, 0x00},
1102 	{0x402a, 0x00},
1103 	{0x402b, 0x00},
1104 	{0x402c, 0x00},
1105 	{0x402d, 0x00},
1106 	{0x402e, 0x00},
1107 	{0x402f, 0x00},
1108 	{0x4040, 0x00},
1109 	{0x4041, 0x03},
1110 	{0x4042, 0x00},
1111 	{0x4043, 0x7A},
1112 	{0x4044, 0x00},
1113 	{0x4045, 0x7A},
1114 	{0x4046, 0x00},
1115 	{0x4047, 0x7A},
1116 	{0x4048, 0x00},
1117 	{0x4049, 0x7A},
1118 	{0x4307, 0x30},
1119 	{0x4500, 0x58},
1120 	{0x4501, 0x04},
1121 	{0x4502, 0x40},
1122 	{0x4503, 0x10},
1123 	{0x4508, 0xaa},
1124 	{0x4509, 0xaa},
1125 	{0x450a, 0x00},
1126 	{0x450b, 0x00},
1127 	{0x4600, 0x01},
1128 	{0x4601, 0x00},
1129 	{0x4700, 0xa4},
1130 	{0x4800, 0x4c},
1131 	{0x4816, 0x53},
1132 	{0x481f, 0x40},
1133 	{0x4837, 0x13},
1134 	{0x5000, 0x56},
1135 	{0x5001, 0x01},
1136 	{0x5002, 0x28},
1137 	{0x5004, 0x0c},
1138 	{0x5006, 0x0c},
1139 	{0x5007, 0xe0},
1140 	{0x5008, 0x01},
1141 	{0x5009, 0xb0},
1142 	{0x5901, 0x00},
1143 	{0x5a01, 0x00},
1144 	{0x5a03, 0x00},
1145 	{0x5a04, 0x0c},
1146 	{0x5a05, 0xe0},
1147 	{0x5a06, 0x09},
1148 	{0x5a07, 0xb0},
1149 	{0x5a08, 0x06},
1150 	{0x5e00, 0x00},
1151 	{0x3734, 0x40},
1152 	{0x5b00, 0x01},
1153 	{0x5b01, 0x10},
1154 	{0x5b02, 0x01},
1155 	{0x5b03, 0xdb},
1156 	{0x3d8c, 0x71},
1157 	{0x3d8d, 0xea},
1158 	{0x4017, 0x08},
1159 	{0x3618, 0x2a},
1160 	{0x5780, 0x3e},
1161 	{0x5781, 0x0f},
1162 	{0x5782, 0x44},
1163 	{0x5783, 0x02},
1164 	{0x5784, 0x01},
1165 	{0x5785, 0x01},
1166 	{0x5786, 0x00},
1167 	{0x5787, 0x04},
1168 	{0x5788, 0x02},
1169 	{0x5789, 0x0f},
1170 	{0x578a, 0xfd},
1171 	{0x578b, 0xf5},
1172 	{0x578c, 0xf5},
1173 	{0x578d, 0x03},
1174 	{0x578e, 0x08},
1175 	{0x578f, 0x0c},
1176 	{0x5790, 0x08},
1177 	{0x5791, 0x06},
1178 	{0x5792, 0x00},
1179 	{0x5793, 0x52},
1180 	{0x5794, 0xa3},
1181 	{0x5045, 0x05},
1182 	{0x4003, 0x40},
1183 	{0x5048, 0x40}
1184 };
1185 
1186 static const struct ov5670_reg mode_1280x720_regs[] = {
1187 	{0x3000, 0x00},
1188 	{0x3002, 0x21},
1189 	{0x3005, 0xf0},
1190 	{0x3007, 0x00},
1191 	{0x3015, 0x0f},
1192 	{0x3018, 0x32},
1193 	{0x301a, 0xf0},
1194 	{0x301b, 0xf0},
1195 	{0x301c, 0xf0},
1196 	{0x301d, 0xf0},
1197 	{0x301e, 0xf0},
1198 	{0x3030, 0x00},
1199 	{0x3031, 0x0a},
1200 	{0x303c, 0xff},
1201 	{0x303e, 0xff},
1202 	{0x3040, 0xf0},
1203 	{0x3041, 0x00},
1204 	{0x3042, 0xf0},
1205 	{0x3106, 0x11},
1206 	{0x3500, 0x00},
1207 	{0x3501, 0x80},
1208 	{0x3502, 0x00},
1209 	{0x3503, 0x04},
1210 	{0x3504, 0x03},
1211 	{0x3505, 0x83},
1212 	{0x3508, 0x04},
1213 	{0x3509, 0x00},
1214 	{0x350e, 0x04},
1215 	{0x350f, 0x00},
1216 	{0x3510, 0x00},
1217 	{0x3511, 0x02},
1218 	{0x3512, 0x00},
1219 	{0x3601, 0xc8},
1220 	{0x3610, 0x88},
1221 	{0x3612, 0x48},
1222 	{0x3614, 0x5b},
1223 	{0x3615, 0x96},
1224 	{0x3621, 0xd0},
1225 	{0x3622, 0x00},
1226 	{0x3623, 0x00},
1227 	{0x3633, 0x13},
1228 	{0x3634, 0x13},
1229 	{0x3635, 0x13},
1230 	{0x3636, 0x13},
1231 	{0x3645, 0x13},
1232 	{0x3646, 0x82},
1233 	{0x3650, 0x00},
1234 	{0x3652, 0xff},
1235 	{0x3655, 0x20},
1236 	{0x3656, 0xff},
1237 	{0x365a, 0xff},
1238 	{0x365e, 0xff},
1239 	{0x3668, 0x00},
1240 	{0x366a, 0x07},
1241 	{0x366e, 0x08},
1242 	{0x366d, 0x00},
1243 	{0x366f, 0x80},
1244 	{0x3700, 0x28},
1245 	{0x3701, 0x10},
1246 	{0x3702, 0x3a},
1247 	{0x3703, 0x19},
1248 	{0x3704, 0x10},
1249 	{0x3705, 0x00},
1250 	{0x3706, 0x66},
1251 	{0x3707, 0x08},
1252 	{0x3708, 0x34},
1253 	{0x3709, 0x40},
1254 	{0x370a, 0x01},
1255 	{0x370b, 0x1b},
1256 	{0x3714, 0x24},
1257 	{0x371a, 0x3e},
1258 	{0x3733, 0x00},
1259 	{0x3734, 0x00},
1260 	{0x373a, 0x05},
1261 	{0x373b, 0x06},
1262 	{0x373c, 0x0a},
1263 	{0x373f, 0xa0},
1264 	{0x3755, 0x00},
1265 	{0x3758, 0x00},
1266 	{0x375b, 0x0e},
1267 	{0x3766, 0x5f},
1268 	{0x3768, 0x00},
1269 	{0x3769, 0x22},
1270 	{0x3773, 0x08},
1271 	{0x3774, 0x1f},
1272 	{0x3776, 0x06},
1273 	{0x37a0, 0x88},
1274 	{0x37a1, 0x5c},
1275 	{0x37a7, 0x88},
1276 	{0x37a8, 0x70},
1277 	{0x37aa, 0x88},
1278 	{0x37ab, 0x48},
1279 	{0x37b3, 0x66},
1280 	{0x37c2, 0x04},
1281 	{0x37c5, 0x00},
1282 	{0x37c8, 0x00},
1283 	{0x3800, 0x00},
1284 	{0x3801, 0x0c},
1285 	{0x3802, 0x00},
1286 	{0x3803, 0x04},
1287 	{0x3804, 0x0a},
1288 	{0x3805, 0x33},
1289 	{0x3806, 0x07},
1290 	{0x3807, 0xa3},
1291 	{0x3808, 0x05},
1292 	{0x3809, 0x00},
1293 	{0x380a, 0x02},
1294 	{0x380b, 0xd0},
1295 	{0x380c, 0x06},
1296 	{0x380d, 0x90},
1297 	{0x380e, 0x08},
1298 	{0x380f, 0x08},
1299 	{0x3811, 0x04},
1300 	{0x3813, 0x02},
1301 	{0x3814, 0x03},
1302 	{0x3815, 0x01},
1303 	{0x3816, 0x00},
1304 	{0x3817, 0x00},
1305 	{0x3818, 0x00},
1306 	{0x3819, 0x00},
1307 	{0x3820, 0x94},
1308 	{0x3821, 0x47},
1309 	{0x3822, 0x48},
1310 	{0x3826, 0x00},
1311 	{0x3827, 0x08},
1312 	{0x382a, 0x03},
1313 	{0x382b, 0x01},
1314 	{0x3830, 0x08},
1315 	{0x3836, 0x02},
1316 	{0x3837, 0x00},
1317 	{0x3838, 0x10},
1318 	{0x3841, 0xff},
1319 	{0x3846, 0x48},
1320 	{0x3861, 0x00},
1321 	{0x3862, 0x04},
1322 	{0x3863, 0x06},
1323 	{0x3a11, 0x01},
1324 	{0x3a12, 0x78},
1325 	{0x3b00, 0x00},
1326 	{0x3b02, 0x00},
1327 	{0x3b03, 0x00},
1328 	{0x3b04, 0x00},
1329 	{0x3b05, 0x00},
1330 	{0x3c00, 0x89},
1331 	{0x3c01, 0xab},
1332 	{0x3c02, 0x01},
1333 	{0x3c03, 0x00},
1334 	{0x3c04, 0x00},
1335 	{0x3c05, 0x03},
1336 	{0x3c06, 0x00},
1337 	{0x3c07, 0x05},
1338 	{0x3c0c, 0x00},
1339 	{0x3c0d, 0x00},
1340 	{0x3c0e, 0x00},
1341 	{0x3c0f, 0x00},
1342 	{0x3c40, 0x00},
1343 	{0x3c41, 0xa3},
1344 	{0x3c43, 0x7d},
1345 	{0x3c45, 0xd7},
1346 	{0x3c47, 0xfc},
1347 	{0x3c50, 0x05},
1348 	{0x3c52, 0xaa},
1349 	{0x3c54, 0x71},
1350 	{0x3c56, 0x80},
1351 	{0x3d85, 0x17},
1352 	{0x3f03, 0x00},
1353 	{0x3f0a, 0x00},
1354 	{0x3f0b, 0x00},
1355 	{0x4001, 0x60},
1356 	{0x4009, 0x05},
1357 	{0x4020, 0x00},
1358 	{0x4021, 0x00},
1359 	{0x4022, 0x00},
1360 	{0x4023, 0x00},
1361 	{0x4024, 0x00},
1362 	{0x4025, 0x00},
1363 	{0x4026, 0x00},
1364 	{0x4027, 0x00},
1365 	{0x4028, 0x00},
1366 	{0x4029, 0x00},
1367 	{0x402a, 0x00},
1368 	{0x402b, 0x00},
1369 	{0x402c, 0x00},
1370 	{0x402d, 0x00},
1371 	{0x402e, 0x00},
1372 	{0x402f, 0x00},
1373 	{0x4040, 0x00},
1374 	{0x4041, 0x03},
1375 	{0x4042, 0x00},
1376 	{0x4043, 0x7A},
1377 	{0x4044, 0x00},
1378 	{0x4045, 0x7A},
1379 	{0x4046, 0x00},
1380 	{0x4047, 0x7A},
1381 	{0x4048, 0x00},
1382 	{0x4049, 0x7A},
1383 	{0x4307, 0x30},
1384 	{0x4500, 0x58},
1385 	{0x4501, 0x04},
1386 	{0x4502, 0x48},
1387 	{0x4503, 0x10},
1388 	{0x4508, 0x55},
1389 	{0x4509, 0x55},
1390 	{0x450a, 0x00},
1391 	{0x450b, 0x00},
1392 	{0x4600, 0x00},
1393 	{0x4601, 0x80},
1394 	{0x4700, 0xa4},
1395 	{0x4800, 0x4c},
1396 	{0x4816, 0x53},
1397 	{0x481f, 0x40},
1398 	{0x4837, 0x13},
1399 	{0x5000, 0x56},
1400 	{0x5001, 0x01},
1401 	{0x5002, 0x28},
1402 	{0x5004, 0x0c},
1403 	{0x5006, 0x0c},
1404 	{0x5007, 0xe0},
1405 	{0x5008, 0x01},
1406 	{0x5009, 0xb0},
1407 	{0x5901, 0x00},
1408 	{0x5a01, 0x00},
1409 	{0x5a03, 0x00},
1410 	{0x5a04, 0x0c},
1411 	{0x5a05, 0xe0},
1412 	{0x5a06, 0x09},
1413 	{0x5a07, 0xb0},
1414 	{0x5a08, 0x06},
1415 	{0x5e00, 0x00},
1416 	{0x3734, 0x40},
1417 	{0x5b00, 0x01},
1418 	{0x5b01, 0x10},
1419 	{0x5b02, 0x01},
1420 	{0x5b03, 0xdb},
1421 	{0x3d8c, 0x71},
1422 	{0x3d8d, 0xea},
1423 	{0x4017, 0x10},
1424 	{0x3618, 0x2a},
1425 	{0x5780, 0x3e},
1426 	{0x5781, 0x0f},
1427 	{0x5782, 0x44},
1428 	{0x5783, 0x02},
1429 	{0x5784, 0x01},
1430 	{0x5785, 0x01},
1431 	{0x5786, 0x00},
1432 	{0x5787, 0x04},
1433 	{0x5788, 0x02},
1434 	{0x5789, 0x0f},
1435 	{0x578a, 0xfd},
1436 	{0x578b, 0xf5},
1437 	{0x578c, 0xf5},
1438 	{0x578d, 0x03},
1439 	{0x578e, 0x08},
1440 	{0x578f, 0x0c},
1441 	{0x5790, 0x08},
1442 	{0x5791, 0x06},
1443 	{0x5792, 0x00},
1444 	{0x5793, 0x52},
1445 	{0x5794, 0xa3},
1446 	{0x3503, 0x00},
1447 	{0x5045, 0x05},
1448 	{0x4003, 0x40},
1449 	{0x5048, 0x40}
1450 };
1451 
1452 static const struct ov5670_reg mode_640x360_regs[] = {
1453 	{0x3000, 0x00},
1454 	{0x3002, 0x21},
1455 	{0x3005, 0xf0},
1456 	{0x3007, 0x00},
1457 	{0x3015, 0x0f},
1458 	{0x3018, 0x32},
1459 	{0x301a, 0xf0},
1460 	{0x301b, 0xf0},
1461 	{0x301c, 0xf0},
1462 	{0x301d, 0xf0},
1463 	{0x301e, 0xf0},
1464 	{0x3030, 0x00},
1465 	{0x3031, 0x0a},
1466 	{0x303c, 0xff},
1467 	{0x303e, 0xff},
1468 	{0x3040, 0xf0},
1469 	{0x3041, 0x00},
1470 	{0x3042, 0xf0},
1471 	{0x3106, 0x11},
1472 	{0x3500, 0x00},
1473 	{0x3501, 0x80},
1474 	{0x3502, 0x00},
1475 	{0x3503, 0x04},
1476 	{0x3504, 0x03},
1477 	{0x3505, 0x83},
1478 	{0x3508, 0x04},
1479 	{0x3509, 0x00},
1480 	{0x350e, 0x04},
1481 	{0x350f, 0x00},
1482 	{0x3510, 0x00},
1483 	{0x3511, 0x02},
1484 	{0x3512, 0x00},
1485 	{0x3601, 0xc8},
1486 	{0x3610, 0x88},
1487 	{0x3612, 0x48},
1488 	{0x3614, 0x5b},
1489 	{0x3615, 0x96},
1490 	{0x3621, 0xd0},
1491 	{0x3622, 0x00},
1492 	{0x3623, 0x04},
1493 	{0x3633, 0x13},
1494 	{0x3634, 0x13},
1495 	{0x3635, 0x13},
1496 	{0x3636, 0x13},
1497 	{0x3645, 0x13},
1498 	{0x3646, 0x82},
1499 	{0x3650, 0x00},
1500 	{0x3652, 0xff},
1501 	{0x3655, 0x20},
1502 	{0x3656, 0xff},
1503 	{0x365a, 0xff},
1504 	{0x365e, 0xff},
1505 	{0x3668, 0x00},
1506 	{0x366a, 0x07},
1507 	{0x366e, 0x08},
1508 	{0x366d, 0x00},
1509 	{0x366f, 0x80},
1510 	{0x3700, 0x28},
1511 	{0x3701, 0x10},
1512 	{0x3702, 0x3a},
1513 	{0x3703, 0x19},
1514 	{0x3704, 0x10},
1515 	{0x3705, 0x00},
1516 	{0x3706, 0x66},
1517 	{0x3707, 0x08},
1518 	{0x3708, 0x34},
1519 	{0x3709, 0x40},
1520 	{0x370a, 0x01},
1521 	{0x370b, 0x1b},
1522 	{0x3714, 0x24},
1523 	{0x371a, 0x3e},
1524 	{0x3733, 0x00},
1525 	{0x3734, 0x00},
1526 	{0x373a, 0x05},
1527 	{0x373b, 0x06},
1528 	{0x373c, 0x0a},
1529 	{0x373f, 0xa0},
1530 	{0x3755, 0x00},
1531 	{0x3758, 0x00},
1532 	{0x375b, 0x0e},
1533 	{0x3766, 0x5f},
1534 	{0x3768, 0x00},
1535 	{0x3769, 0x22},
1536 	{0x3773, 0x08},
1537 	{0x3774, 0x1f},
1538 	{0x3776, 0x06},
1539 	{0x37a0, 0x88},
1540 	{0x37a1, 0x5c},
1541 	{0x37a7, 0x88},
1542 	{0x37a8, 0x70},
1543 	{0x37aa, 0x88},
1544 	{0x37ab, 0x48},
1545 	{0x37b3, 0x66},
1546 	{0x37c2, 0x04},
1547 	{0x37c5, 0x00},
1548 	{0x37c8, 0x00},
1549 	{0x3800, 0x00},
1550 	{0x3801, 0x0c},
1551 	{0x3802, 0x00},
1552 	{0x3803, 0x04},
1553 	{0x3804, 0x0a},
1554 	{0x3805, 0x33},
1555 	{0x3806, 0x07},
1556 	{0x3807, 0xa3},
1557 	{0x3808, 0x02},
1558 	{0x3809, 0x80},
1559 	{0x380a, 0x01},
1560 	{0x380b, 0x68},
1561 	{0x380c, 0x06},
1562 	{0x380d, 0x90},
1563 	{0x380e, 0x08},
1564 	{0x380f, 0x08},
1565 	{0x3811, 0x04},
1566 	{0x3813, 0x02},
1567 	{0x3814, 0x07},
1568 	{0x3815, 0x01},
1569 	{0x3816, 0x00},
1570 	{0x3817, 0x00},
1571 	{0x3818, 0x00},
1572 	{0x3819, 0x00},
1573 	{0x3820, 0x94},
1574 	{0x3821, 0xc6},
1575 	{0x3822, 0x48},
1576 	{0x3826, 0x00},
1577 	{0x3827, 0x08},
1578 	{0x382a, 0x07},
1579 	{0x382b, 0x01},
1580 	{0x3830, 0x08},
1581 	{0x3836, 0x02},
1582 	{0x3837, 0x00},
1583 	{0x3838, 0x10},
1584 	{0x3841, 0xff},
1585 	{0x3846, 0x48},
1586 	{0x3861, 0x00},
1587 	{0x3862, 0x04},
1588 	{0x3863, 0x06},
1589 	{0x3a11, 0x01},
1590 	{0x3a12, 0x78},
1591 	{0x3b00, 0x00},
1592 	{0x3b02, 0x00},
1593 	{0x3b03, 0x00},
1594 	{0x3b04, 0x00},
1595 	{0x3b05, 0x00},
1596 	{0x3c00, 0x89},
1597 	{0x3c01, 0xab},
1598 	{0x3c02, 0x01},
1599 	{0x3c03, 0x00},
1600 	{0x3c04, 0x00},
1601 	{0x3c05, 0x03},
1602 	{0x3c06, 0x00},
1603 	{0x3c07, 0x05},
1604 	{0x3c0c, 0x00},
1605 	{0x3c0d, 0x00},
1606 	{0x3c0e, 0x00},
1607 	{0x3c0f, 0x00},
1608 	{0x3c40, 0x00},
1609 	{0x3c41, 0xa3},
1610 	{0x3c43, 0x7d},
1611 	{0x3c45, 0xd7},
1612 	{0x3c47, 0xfc},
1613 	{0x3c50, 0x05},
1614 	{0x3c52, 0xaa},
1615 	{0x3c54, 0x71},
1616 	{0x3c56, 0x80},
1617 	{0x3d85, 0x17},
1618 	{0x3f03, 0x00},
1619 	{0x3f0a, 0x00},
1620 	{0x3f0b, 0x00},
1621 	{0x4001, 0x60},
1622 	{0x4009, 0x05},
1623 	{0x4020, 0x00},
1624 	{0x4021, 0x00},
1625 	{0x4022, 0x00},
1626 	{0x4023, 0x00},
1627 	{0x4024, 0x00},
1628 	{0x4025, 0x00},
1629 	{0x4026, 0x00},
1630 	{0x4027, 0x00},
1631 	{0x4028, 0x00},
1632 	{0x4029, 0x00},
1633 	{0x402a, 0x00},
1634 	{0x402b, 0x00},
1635 	{0x402c, 0x00},
1636 	{0x402d, 0x00},
1637 	{0x402e, 0x00},
1638 	{0x402f, 0x00},
1639 	{0x4040, 0x00},
1640 	{0x4041, 0x03},
1641 	{0x4042, 0x00},
1642 	{0x4043, 0x7A},
1643 	{0x4044, 0x00},
1644 	{0x4045, 0x7A},
1645 	{0x4046, 0x00},
1646 	{0x4047, 0x7A},
1647 	{0x4048, 0x00},
1648 	{0x4049, 0x7A},
1649 	{0x4307, 0x30},
1650 	{0x4500, 0x58},
1651 	{0x4501, 0x04},
1652 	{0x4502, 0x40},
1653 	{0x4503, 0x10},
1654 	{0x4508, 0x55},
1655 	{0x4509, 0x55},
1656 	{0x450a, 0x02},
1657 	{0x450b, 0x00},
1658 	{0x4600, 0x00},
1659 	{0x4601, 0x40},
1660 	{0x4700, 0xa4},
1661 	{0x4800, 0x4c},
1662 	{0x4816, 0x53},
1663 	{0x481f, 0x40},
1664 	{0x4837, 0x13},
1665 	{0x5000, 0x56},
1666 	{0x5001, 0x01},
1667 	{0x5002, 0x28},
1668 	{0x5004, 0x0c},
1669 	{0x5006, 0x0c},
1670 	{0x5007, 0xe0},
1671 	{0x5008, 0x01},
1672 	{0x5009, 0xb0},
1673 	{0x5901, 0x00},
1674 	{0x5a01, 0x00},
1675 	{0x5a03, 0x00},
1676 	{0x5a04, 0x0c},
1677 	{0x5a05, 0xe0},
1678 	{0x5a06, 0x09},
1679 	{0x5a07, 0xb0},
1680 	{0x5a08, 0x06},
1681 	{0x5e00, 0x00},
1682 	{0x3734, 0x40},
1683 	{0x5b00, 0x01},
1684 	{0x5b01, 0x10},
1685 	{0x5b02, 0x01},
1686 	{0x5b03, 0xdb},
1687 	{0x3d8c, 0x71},
1688 	{0x3d8d, 0xea},
1689 	{0x4017, 0x10},
1690 	{0x3618, 0x2a},
1691 	{0x5780, 0x3e},
1692 	{0x5781, 0x0f},
1693 	{0x5782, 0x44},
1694 	{0x5783, 0x02},
1695 	{0x5784, 0x01},
1696 	{0x5785, 0x01},
1697 	{0x5786, 0x00},
1698 	{0x5787, 0x04},
1699 	{0x5788, 0x02},
1700 	{0x5789, 0x0f},
1701 	{0x578a, 0xfd},
1702 	{0x578b, 0xf5},
1703 	{0x578c, 0xf5},
1704 	{0x578d, 0x03},
1705 	{0x578e, 0x08},
1706 	{0x578f, 0x0c},
1707 	{0x5790, 0x08},
1708 	{0x5791, 0x06},
1709 	{0x5792, 0x00},
1710 	{0x5793, 0x52},
1711 	{0x5794, 0xa3},
1712 	{0x3503, 0x00},
1713 	{0x5045, 0x05},
1714 	{0x4003, 0x40},
1715 	{0x5048, 0x40}
1716 };
1717 
1718 static const char * const ov5670_test_pattern_menu[] = {
1719 	"Disabled",
1720 	"Vertical Color Bar Type 1",
1721 };
1722 
1723 /* Supported link frequencies */
1724 #define OV5670_LINK_FREQ_422MHZ		422400000
1725 #define OV5670_LINK_FREQ_422MHZ_INDEX	0
1726 static const struct ov5670_link_freq_config link_freq_configs[] = {
1727 	{
1728 		/* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1729 		.pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1730 		.reg_list = {
1731 			.num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1732 			.regs = mipi_data_rate_840mbps,
1733 		}
1734 	}
1735 };
1736 
1737 static const s64 link_freq_menu_items[] = {
1738 	OV5670_LINK_FREQ_422MHZ
1739 };
1740 
1741 /*
1742  * OV5670 sensor supports following resolutions with full FOV:
1743  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1744  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1745  */
1746 static const struct ov5670_mode supported_modes[] = {
1747 	{
1748 		.width = 2592,
1749 		.height = 1944,
1750 		.vts_def = OV5670_VTS_30FPS,
1751 		.vts_min = OV5670_VTS_30FPS,
1752 		.reg_list = {
1753 			.num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1754 			.regs = mode_2592x1944_regs,
1755 		},
1756 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1757 	},
1758 	{
1759 		.width = 1296,
1760 		.height = 972,
1761 		.vts_def = OV5670_VTS_30FPS,
1762 		.vts_min = 996,
1763 		.reg_list = {
1764 			.num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1765 			.regs = mode_1296x972_regs,
1766 		},
1767 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1768 	},
1769 	{
1770 		.width = 648,
1771 		.height = 486,
1772 		.vts_def = OV5670_VTS_30FPS,
1773 		.vts_min = 516,
1774 		.reg_list = {
1775 			.num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1776 			.regs = mode_648x486_regs,
1777 		},
1778 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1779 	},
1780 	{
1781 		.width = 2560,
1782 		.height = 1440,
1783 		.vts_def = OV5670_VTS_30FPS,
1784 		.vts_min = OV5670_VTS_30FPS,
1785 		.reg_list = {
1786 			.num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1787 			.regs = mode_2560x1440_regs,
1788 		},
1789 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1790 	},
1791 	{
1792 		.width = 1280,
1793 		.height = 720,
1794 		.vts_def = OV5670_VTS_30FPS,
1795 		.vts_min = 1020,
1796 		.reg_list = {
1797 			.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1798 			.regs = mode_1280x720_regs,
1799 		},
1800 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1801 	},
1802 	{
1803 		.width = 640,
1804 		.height = 360,
1805 		.vts_def = OV5670_VTS_30FPS,
1806 		.vts_min = 510,
1807 		.reg_list = {
1808 			.num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1809 			.regs = mode_640x360_regs,
1810 		},
1811 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1812 	}
1813 };
1814 
1815 struct ov5670 {
1816 	struct v4l2_subdev sd;
1817 	struct media_pad pad;
1818 
1819 	struct v4l2_ctrl_handler ctrl_handler;
1820 	/* V4L2 Controls */
1821 	struct v4l2_ctrl *link_freq;
1822 	struct v4l2_ctrl *pixel_rate;
1823 	struct v4l2_ctrl *vblank;
1824 	struct v4l2_ctrl *hblank;
1825 	struct v4l2_ctrl *exposure;
1826 
1827 	/* Current mode */
1828 	const struct ov5670_mode *cur_mode;
1829 
1830 	/* To serialize asynchronus callbacks */
1831 	struct mutex mutex;
1832 
1833 	/* Streaming on/off */
1834 	bool streaming;
1835 };
1836 
1837 #define to_ov5670(_sd)	container_of(_sd, struct ov5670, sd)
1838 
1839 /* Read registers up to 4 at a time */
1840 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1841 			   u32 *val)
1842 {
1843 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1844 	struct i2c_msg msgs[2];
1845 	u8 *data_be_p;
1846 	__be32 data_be = 0;
1847 	__be16 reg_addr_be = cpu_to_be16(reg);
1848 	int ret;
1849 
1850 	if (len > 4)
1851 		return -EINVAL;
1852 
1853 	data_be_p = (u8 *)&data_be;
1854 	/* Write register address */
1855 	msgs[0].addr = client->addr;
1856 	msgs[0].flags = 0;
1857 	msgs[0].len = 2;
1858 	msgs[0].buf = (u8 *)&reg_addr_be;
1859 
1860 	/* Read data from register */
1861 	msgs[1].addr = client->addr;
1862 	msgs[1].flags = I2C_M_RD;
1863 	msgs[1].len = len;
1864 	msgs[1].buf = &data_be_p[4 - len];
1865 
1866 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1867 	if (ret != ARRAY_SIZE(msgs))
1868 		return -EIO;
1869 
1870 	*val = be32_to_cpu(data_be);
1871 
1872 	return 0;
1873 }
1874 
1875 /* Write registers up to 4 at a time */
1876 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1877 			    u32 val)
1878 {
1879 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1880 	int buf_i;
1881 	int val_i;
1882 	u8 buf[6];
1883 	u8 *val_p;
1884 	__be32 tmp;
1885 
1886 	if (len > 4)
1887 		return -EINVAL;
1888 
1889 	buf[0] = reg >> 8;
1890 	buf[1] = reg & 0xff;
1891 
1892 	tmp = cpu_to_be32(val);
1893 	val_p = (u8 *)&tmp;
1894 	buf_i = 2;
1895 	val_i = 4 - len;
1896 
1897 	while (val_i < 4)
1898 		buf[buf_i++] = val_p[val_i++];
1899 
1900 	if (i2c_master_send(client, buf, len + 2) != len + 2)
1901 		return -EIO;
1902 
1903 	return 0;
1904 }
1905 
1906 /* Write a list of registers */
1907 static int ov5670_write_regs(struct ov5670 *ov5670,
1908 			     const struct ov5670_reg *regs, unsigned int len)
1909 {
1910 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1911 	unsigned int i;
1912 	int ret;
1913 
1914 	for (i = 0; i < len; i++) {
1915 		ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1916 		if (ret) {
1917 			dev_err_ratelimited(
1918 				&client->dev,
1919 				"Failed to write reg 0x%4.4x. error = %d\n",
1920 				regs[i].address, ret);
1921 
1922 			return ret;
1923 		}
1924 	}
1925 
1926 	return 0;
1927 }
1928 
1929 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1930 				 const struct ov5670_reg_list *r_list)
1931 {
1932 	return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1933 }
1934 
1935 /* Open sub-device */
1936 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1937 {
1938 	struct ov5670 *ov5670 = to_ov5670(sd);
1939 	struct v4l2_mbus_framefmt *try_fmt =
1940 				v4l2_subdev_get_try_format(sd, fh->pad, 0);
1941 
1942 	mutex_lock(&ov5670->mutex);
1943 
1944 	/* Initialize try_fmt */
1945 	try_fmt->width = ov5670->cur_mode->width;
1946 	try_fmt->height = ov5670->cur_mode->height;
1947 	try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1948 	try_fmt->field = V4L2_FIELD_NONE;
1949 
1950 	/* No crop or compose */
1951 	mutex_unlock(&ov5670->mutex);
1952 
1953 	return 0;
1954 }
1955 
1956 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1957 {
1958 	int ret;
1959 
1960 	ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1961 			       OV5670_REG_VALUE_16BIT, d_gain);
1962 	if (ret)
1963 		return ret;
1964 
1965 	ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1966 			       OV5670_REG_VALUE_16BIT, d_gain);
1967 	if (ret)
1968 		return ret;
1969 
1970 	return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1971 				OV5670_REG_VALUE_16BIT, d_gain);
1972 }
1973 
1974 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1975 {
1976 	u32 val;
1977 	int ret;
1978 
1979 	/* Set the bayer order that we support */
1980 	ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1981 			       OV5670_REG_VALUE_08BIT, 0);
1982 	if (ret)
1983 		return ret;
1984 
1985 	ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1986 			      OV5670_REG_VALUE_08BIT, &val);
1987 	if (ret)
1988 		return ret;
1989 
1990 	if (pattern)
1991 		val |= OV5670_TEST_PATTERN_ENABLE;
1992 	else
1993 		val &= ~OV5670_TEST_PATTERN_ENABLE;
1994 
1995 	return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1996 				OV5670_REG_VALUE_08BIT, val);
1997 }
1998 
1999 /* Initialize control handlers */
2000 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2001 {
2002 	struct ov5670 *ov5670 = container_of(ctrl->handler,
2003 					     struct ov5670, ctrl_handler);
2004 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2005 	s64 max;
2006 	int ret = 0;
2007 
2008 	/* Propagate change of current control to all related controls */
2009 	switch (ctrl->id) {
2010 	case V4L2_CID_VBLANK:
2011 		/* Update max exposure while meeting expected vblanking */
2012 		max = ov5670->cur_mode->height + ctrl->val - 8;
2013 		__v4l2_ctrl_modify_range(ov5670->exposure,
2014 					 ov5670->exposure->minimum, max,
2015 					 ov5670->exposure->step, max);
2016 		break;
2017 	}
2018 
2019 	/* V4L2 controls values will be applied only when power is already up */
2020 	if (!pm_runtime_get_if_in_use(&client->dev))
2021 		return 0;
2022 
2023 	switch (ctrl->id) {
2024 	case V4L2_CID_ANALOGUE_GAIN:
2025 		ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2026 				       OV5670_REG_VALUE_16BIT, ctrl->val);
2027 		break;
2028 	case V4L2_CID_DIGITAL_GAIN:
2029 		ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2030 		break;
2031 	case V4L2_CID_EXPOSURE:
2032 		/* 4 least significant bits of expsoure are fractional part */
2033 		ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2034 				       OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2035 		break;
2036 	case V4L2_CID_VBLANK:
2037 		/* Update VTS that meets expected vertical blanking */
2038 		ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2039 				       OV5670_REG_VALUE_16BIT,
2040 				       ov5670->cur_mode->height + ctrl->val);
2041 		break;
2042 	case V4L2_CID_TEST_PATTERN:
2043 		ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2044 		break;
2045 	default:
2046 		dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2047 			 __func__, ctrl->id, ctrl->val);
2048 		break;
2049 	}
2050 
2051 	pm_runtime_put(&client->dev);
2052 
2053 	return ret;
2054 }
2055 
2056 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2057 	.s_ctrl = ov5670_set_ctrl,
2058 };
2059 
2060 /* Initialize control handlers */
2061 static int ov5670_init_controls(struct ov5670 *ov5670)
2062 {
2063 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2064 	struct v4l2_fwnode_device_properties props;
2065 	struct v4l2_ctrl_handler *ctrl_hdlr;
2066 	s64 vblank_max;
2067 	s64 vblank_def;
2068 	s64 vblank_min;
2069 	s64 exposure_max;
2070 	int ret;
2071 
2072 	ctrl_hdlr = &ov5670->ctrl_handler;
2073 	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2074 	if (ret)
2075 		return ret;
2076 
2077 	ctrl_hdlr->lock = &ov5670->mutex;
2078 	ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2079 						   &ov5670_ctrl_ops,
2080 						   V4L2_CID_LINK_FREQ,
2081 						   0, 0, link_freq_menu_items);
2082 	if (ov5670->link_freq)
2083 		ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2084 
2085 	/* By default, V4L2_CID_PIXEL_RATE is read only */
2086 	ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2087 					       V4L2_CID_PIXEL_RATE, 0,
2088 					       link_freq_configs[0].pixel_rate,
2089 					       1,
2090 					       link_freq_configs[0].pixel_rate);
2091 
2092 	vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2093 	vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2094 	vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2095 	ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2096 					   V4L2_CID_VBLANK, vblank_min,
2097 					   vblank_max, 1, vblank_def);
2098 
2099 	ov5670->hblank = v4l2_ctrl_new_std(
2100 				ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2101 				OV5670_FIXED_PPL - ov5670->cur_mode->width,
2102 				OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2103 				OV5670_FIXED_PPL - ov5670->cur_mode->width);
2104 	if (ov5670->hblank)
2105 		ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2106 
2107 	/* Get min, max, step, default from sensor */
2108 	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2109 			  ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2110 			  ANALOG_GAIN_DEFAULT);
2111 
2112 	/* Digital gain */
2113 	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2114 			  OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2115 			  OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2116 
2117 	/* Get min, max, step, default from sensor */
2118 	exposure_max = ov5670->cur_mode->vts_def - 8;
2119 	ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2120 					     V4L2_CID_EXPOSURE,
2121 					     OV5670_EXPOSURE_MIN,
2122 					     exposure_max, OV5670_EXPOSURE_STEP,
2123 					     exposure_max);
2124 
2125 	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2126 				     V4L2_CID_TEST_PATTERN,
2127 				     ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2128 				     0, 0, ov5670_test_pattern_menu);
2129 
2130 	if (ctrl_hdlr->error) {
2131 		ret = ctrl_hdlr->error;
2132 		goto error;
2133 	}
2134 
2135 	ret = v4l2_fwnode_device_parse(&client->dev, &props);
2136 	if (ret)
2137 		goto error;
2138 
2139 	ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2140 					      &props);
2141 	if (ret)
2142 		goto error;
2143 
2144 	ov5670->sd.ctrl_handler = ctrl_hdlr;
2145 
2146 	return 0;
2147 
2148 error:
2149 	v4l2_ctrl_handler_free(ctrl_hdlr);
2150 
2151 	return ret;
2152 }
2153 
2154 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2155 				 struct v4l2_subdev_pad_config *cfg,
2156 				 struct v4l2_subdev_mbus_code_enum *code)
2157 {
2158 	/* Only one bayer order GRBG is supported */
2159 	if (code->index > 0)
2160 		return -EINVAL;
2161 
2162 	code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2163 
2164 	return 0;
2165 }
2166 
2167 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2168 				  struct v4l2_subdev_pad_config *cfg,
2169 				  struct v4l2_subdev_frame_size_enum *fse)
2170 {
2171 	if (fse->index >= ARRAY_SIZE(supported_modes))
2172 		return -EINVAL;
2173 
2174 	if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2175 		return -EINVAL;
2176 
2177 	fse->min_width = supported_modes[fse->index].width;
2178 	fse->max_width = fse->min_width;
2179 	fse->min_height = supported_modes[fse->index].height;
2180 	fse->max_height = fse->min_height;
2181 
2182 	return 0;
2183 }
2184 
2185 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2186 				     struct v4l2_subdev_format *fmt)
2187 {
2188 	fmt->format.width = mode->width;
2189 	fmt->format.height = mode->height;
2190 	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2191 	fmt->format.field = V4L2_FIELD_NONE;
2192 }
2193 
2194 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2195 				    struct v4l2_subdev_pad_config *cfg,
2196 				    struct v4l2_subdev_format *fmt)
2197 {
2198 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2199 		fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, cfg,
2200 							  fmt->pad);
2201 	else
2202 		ov5670_update_pad_format(ov5670->cur_mode, fmt);
2203 
2204 	return 0;
2205 }
2206 
2207 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2208 				 struct v4l2_subdev_pad_config *cfg,
2209 				 struct v4l2_subdev_format *fmt)
2210 {
2211 	struct ov5670 *ov5670 = to_ov5670(sd);
2212 	int ret;
2213 
2214 	mutex_lock(&ov5670->mutex);
2215 	ret = ov5670_do_get_pad_format(ov5670, cfg, fmt);
2216 	mutex_unlock(&ov5670->mutex);
2217 
2218 	return ret;
2219 }
2220 
2221 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2222 				 struct v4l2_subdev_pad_config *cfg,
2223 				 struct v4l2_subdev_format *fmt)
2224 {
2225 	struct ov5670 *ov5670 = to_ov5670(sd);
2226 	const struct ov5670_mode *mode;
2227 	s32 vblank_def;
2228 	s32 h_blank;
2229 
2230 	mutex_lock(&ov5670->mutex);
2231 
2232 	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2233 
2234 	mode = v4l2_find_nearest_size(supported_modes,
2235 				      ARRAY_SIZE(supported_modes),
2236 				      width, height,
2237 				      fmt->format.width, fmt->format.height);
2238 	ov5670_update_pad_format(mode, fmt);
2239 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2240 		*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
2241 	} else {
2242 		ov5670->cur_mode = mode;
2243 		__v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2244 		__v4l2_ctrl_s_ctrl_int64(
2245 			ov5670->pixel_rate,
2246 			link_freq_configs[mode->link_freq_index].pixel_rate);
2247 		/* Update limits and set FPS to default */
2248 		vblank_def = ov5670->cur_mode->vts_def -
2249 			     ov5670->cur_mode->height;
2250 		__v4l2_ctrl_modify_range(
2251 			ov5670->vblank,
2252 			ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2253 			OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2254 			vblank_def);
2255 		__v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2256 		h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2257 		__v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2258 					 h_blank);
2259 	}
2260 
2261 	mutex_unlock(&ov5670->mutex);
2262 
2263 	return 0;
2264 }
2265 
2266 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2267 {
2268 	*frames = OV5670_NUM_OF_SKIP_FRAMES;
2269 
2270 	return 0;
2271 }
2272 
2273 /* Prepare streaming by writing default values and customized values */
2274 static int ov5670_start_streaming(struct ov5670 *ov5670)
2275 {
2276 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2277 	const struct ov5670_reg_list *reg_list;
2278 	int link_freq_index;
2279 	int ret;
2280 
2281 	/* Get out of from software reset */
2282 	ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2283 			       OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2284 	if (ret) {
2285 		dev_err(&client->dev, "%s failed to set powerup registers\n",
2286 			__func__);
2287 		return ret;
2288 	}
2289 
2290 	/* Setup PLL */
2291 	link_freq_index = ov5670->cur_mode->link_freq_index;
2292 	reg_list = &link_freq_configs[link_freq_index].reg_list;
2293 	ret = ov5670_write_reg_list(ov5670, reg_list);
2294 	if (ret) {
2295 		dev_err(&client->dev, "%s failed to set plls\n", __func__);
2296 		return ret;
2297 	}
2298 
2299 	/* Apply default values of current mode */
2300 	reg_list = &ov5670->cur_mode->reg_list;
2301 	ret = ov5670_write_reg_list(ov5670, reg_list);
2302 	if (ret) {
2303 		dev_err(&client->dev, "%s failed to set mode\n", __func__);
2304 		return ret;
2305 	}
2306 
2307 	ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2308 	if (ret)
2309 		return ret;
2310 
2311 	/* Write stream on list */
2312 	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2313 			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2314 	if (ret) {
2315 		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2316 		return ret;
2317 	}
2318 
2319 	return 0;
2320 }
2321 
2322 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2323 {
2324 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2325 	int ret;
2326 
2327 	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2328 			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2329 	if (ret)
2330 		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2331 
2332 	/* Return success even if it was an error, as there is nothing the
2333 	 * caller can do about it.
2334 	 */
2335 	return 0;
2336 }
2337 
2338 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2339 {
2340 	struct ov5670 *ov5670 = to_ov5670(sd);
2341 	struct i2c_client *client = v4l2_get_subdevdata(sd);
2342 	int ret = 0;
2343 
2344 	mutex_lock(&ov5670->mutex);
2345 	if (ov5670->streaming == enable)
2346 		goto unlock_and_return;
2347 
2348 	if (enable) {
2349 		ret = pm_runtime_get_sync(&client->dev);
2350 		if (ret < 0) {
2351 			pm_runtime_put_noidle(&client->dev);
2352 			goto unlock_and_return;
2353 		}
2354 
2355 		ret = ov5670_start_streaming(ov5670);
2356 		if (ret)
2357 			goto error;
2358 	} else {
2359 		ret = ov5670_stop_streaming(ov5670);
2360 		pm_runtime_put(&client->dev);
2361 	}
2362 	ov5670->streaming = enable;
2363 	goto unlock_and_return;
2364 
2365 error:
2366 	pm_runtime_put(&client->dev);
2367 
2368 unlock_and_return:
2369 	mutex_unlock(&ov5670->mutex);
2370 
2371 	return ret;
2372 }
2373 
2374 static int __maybe_unused ov5670_suspend(struct device *dev)
2375 {
2376 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
2377 	struct ov5670 *ov5670 = to_ov5670(sd);
2378 
2379 	if (ov5670->streaming)
2380 		ov5670_stop_streaming(ov5670);
2381 
2382 	return 0;
2383 }
2384 
2385 static int __maybe_unused ov5670_resume(struct device *dev)
2386 {
2387 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
2388 	struct ov5670 *ov5670 = to_ov5670(sd);
2389 	int ret;
2390 
2391 	if (ov5670->streaming) {
2392 		ret = ov5670_start_streaming(ov5670);
2393 		if (ret) {
2394 			ov5670_stop_streaming(ov5670);
2395 			return ret;
2396 		}
2397 	}
2398 
2399 	return 0;
2400 }
2401 
2402 /* Verify chip ID */
2403 static int ov5670_identify_module(struct ov5670 *ov5670)
2404 {
2405 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2406 	int ret;
2407 	u32 val;
2408 
2409 	ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2410 			      OV5670_REG_VALUE_24BIT, &val);
2411 	if (ret)
2412 		return ret;
2413 
2414 	if (val != OV5670_CHIP_ID) {
2415 		dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2416 			OV5670_CHIP_ID, val);
2417 		return -ENXIO;
2418 	}
2419 
2420 	return 0;
2421 }
2422 
2423 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2424 	.s_stream = ov5670_set_stream,
2425 };
2426 
2427 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2428 	.enum_mbus_code = ov5670_enum_mbus_code,
2429 	.get_fmt = ov5670_get_pad_format,
2430 	.set_fmt = ov5670_set_pad_format,
2431 	.enum_frame_size = ov5670_enum_frame_size,
2432 };
2433 
2434 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2435 	.g_skip_frames = ov5670_get_skip_frames,
2436 };
2437 
2438 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2439 	.video = &ov5670_video_ops,
2440 	.pad = &ov5670_pad_ops,
2441 	.sensor = &ov5670_sensor_ops,
2442 };
2443 
2444 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2445 	.link_validate = v4l2_subdev_link_validate,
2446 };
2447 
2448 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2449 	.open = ov5670_open,
2450 };
2451 
2452 static int ov5670_probe(struct i2c_client *client)
2453 {
2454 	struct ov5670 *ov5670;
2455 	const char *err_msg;
2456 	u32 input_clk = 0;
2457 	int ret;
2458 
2459 	device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2460 	if (input_clk != 19200000)
2461 		return -EINVAL;
2462 
2463 	ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2464 	if (!ov5670) {
2465 		ret = -ENOMEM;
2466 		err_msg = "devm_kzalloc() error";
2467 		goto error_print;
2468 	}
2469 
2470 	/* Initialize subdev */
2471 	v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2472 
2473 	/* Check module identity */
2474 	ret = ov5670_identify_module(ov5670);
2475 	if (ret) {
2476 		err_msg = "ov5670_identify_module() error";
2477 		goto error_print;
2478 	}
2479 
2480 	mutex_init(&ov5670->mutex);
2481 
2482 	/* Set default mode to max resolution */
2483 	ov5670->cur_mode = &supported_modes[0];
2484 
2485 	ret = ov5670_init_controls(ov5670);
2486 	if (ret) {
2487 		err_msg = "ov5670_init_controls() error";
2488 		goto error_mutex_destroy;
2489 	}
2490 
2491 	ov5670->sd.internal_ops = &ov5670_internal_ops;
2492 	ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2493 	ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2494 	ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2495 
2496 	/* Source pad initialization */
2497 	ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2498 	ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2499 	if (ret) {
2500 		err_msg = "media_entity_pads_init() error";
2501 		goto error_handler_free;
2502 	}
2503 
2504 	/* Async register for subdev */
2505 	ret = v4l2_async_register_subdev_sensor_common(&ov5670->sd);
2506 	if (ret < 0) {
2507 		err_msg = "v4l2_async_register_subdev() error";
2508 		goto error_entity_cleanup;
2509 	}
2510 
2511 	ov5670->streaming = false;
2512 
2513 	/*
2514 	 * Device is already turned on by i2c-core with ACPI domain PM.
2515 	 * Enable runtime PM and turn off the device.
2516 	 */
2517 	pm_runtime_set_active(&client->dev);
2518 	pm_runtime_enable(&client->dev);
2519 	pm_runtime_idle(&client->dev);
2520 
2521 	return 0;
2522 
2523 error_entity_cleanup:
2524 	media_entity_cleanup(&ov5670->sd.entity);
2525 
2526 error_handler_free:
2527 	v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2528 
2529 error_mutex_destroy:
2530 	mutex_destroy(&ov5670->mutex);
2531 
2532 error_print:
2533 	dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2534 
2535 	return ret;
2536 }
2537 
2538 static int ov5670_remove(struct i2c_client *client)
2539 {
2540 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2541 	struct ov5670 *ov5670 = to_ov5670(sd);
2542 
2543 	v4l2_async_unregister_subdev(sd);
2544 	media_entity_cleanup(&sd->entity);
2545 	v4l2_ctrl_handler_free(sd->ctrl_handler);
2546 	mutex_destroy(&ov5670->mutex);
2547 
2548 	pm_runtime_disable(&client->dev);
2549 
2550 	return 0;
2551 }
2552 
2553 static const struct dev_pm_ops ov5670_pm_ops = {
2554 	SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2555 };
2556 
2557 #ifdef CONFIG_ACPI
2558 static const struct acpi_device_id ov5670_acpi_ids[] = {
2559 	{"INT3479"},
2560 	{ /* sentinel */ }
2561 };
2562 
2563 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2564 #endif
2565 
2566 static struct i2c_driver ov5670_i2c_driver = {
2567 	.driver = {
2568 		.name = "ov5670",
2569 		.pm = &ov5670_pm_ops,
2570 		.acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2571 	},
2572 	.probe_new = ov5670_probe,
2573 	.remove = ov5670_remove,
2574 };
2575 
2576 module_i2c_driver(ov5670_i2c_driver);
2577 
2578 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2579 MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>");
2580 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2581 MODULE_LICENSE("GPL v2");
2582