xref: /openbmc/linux/drivers/media/i2c/ov5670.c (revision 3213486f)
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 
11 #define OV5670_REG_CHIP_ID		0x300a
12 #define OV5670_CHIP_ID			0x005670
13 
14 #define OV5670_REG_MODE_SELECT		0x0100
15 #define OV5670_MODE_STANDBY		0x00
16 #define OV5670_MODE_STREAMING		0x01
17 
18 #define OV5670_REG_SOFTWARE_RST		0x0103
19 #define OV5670_SOFTWARE_RST		0x01
20 
21 /* vertical-timings from sensor */
22 #define OV5670_REG_VTS			0x380e
23 #define OV5670_VTS_30FPS		0x0808 /* default for 30 fps */
24 #define OV5670_VTS_MAX			0xffff
25 
26 /* horizontal-timings from sensor */
27 #define OV5670_REG_HTS			0x380c
28 
29 /*
30  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
31  * In OV5670, Time-per-line = HTS/SCLK.
32  * HTS is fixed for all resolutions, not recommended to change.
33  */
34 #define OV5670_FIXED_PPL		2724	/* Pixels per line */
35 
36 /* Exposure controls from sensor */
37 #define OV5670_REG_EXPOSURE		0x3500
38 #define	OV5670_EXPOSURE_MIN		4
39 #define	OV5670_EXPOSURE_STEP		1
40 
41 /* Analog gain controls from sensor */
42 #define OV5670_REG_ANALOG_GAIN		0x3508
43 #define	ANALOG_GAIN_MIN			0
44 #define	ANALOG_GAIN_MAX			8191
45 #define	ANALOG_GAIN_STEP		1
46 #define	ANALOG_GAIN_DEFAULT		128
47 
48 /* Digital gain controls from sensor */
49 #define OV5670_REG_R_DGTL_GAIN		0x5032
50 #define OV5670_REG_G_DGTL_GAIN		0x5034
51 #define OV5670_REG_B_DGTL_GAIN		0x5036
52 #define OV5670_DGTL_GAIN_MIN		0
53 #define OV5670_DGTL_GAIN_MAX		4095
54 #define OV5670_DGTL_GAIN_STEP		1
55 #define OV5670_DGTL_GAIN_DEFAULT	1024
56 
57 /* Test Pattern Control */
58 #define OV5670_REG_TEST_PATTERN		0x4303
59 #define OV5670_TEST_PATTERN_ENABLE	BIT(3)
60 #define OV5670_REG_TEST_PATTERN_CTRL	0x4320
61 
62 #define OV5670_REG_VALUE_08BIT		1
63 #define OV5670_REG_VALUE_16BIT		2
64 #define OV5670_REG_VALUE_24BIT		3
65 
66 /* Initial number of frames to skip to avoid possible garbage */
67 #define OV5670_NUM_OF_SKIP_FRAMES	2
68 
69 struct ov5670_reg {
70 	u16 address;
71 	u8 val;
72 };
73 
74 struct ov5670_reg_list {
75 	u32 num_of_regs;
76 	const struct ov5670_reg *regs;
77 };
78 
79 struct ov5670_link_freq_config {
80 	u32 pixel_rate;
81 	const struct ov5670_reg_list reg_list;
82 };
83 
84 struct ov5670_mode {
85 	/* Frame width in pixels */
86 	u32 width;
87 
88 	/* Frame height in pixels */
89 	u32 height;
90 
91 	/* Default vertical timining size */
92 	u32 vts_def;
93 
94 	/* Min vertical timining size */
95 	u32 vts_min;
96 
97 	/* Link frequency needed for this resolution */
98 	u32 link_freq_index;
99 
100 	/* Sensor register settings for this resolution */
101 	const struct ov5670_reg_list reg_list;
102 };
103 
104 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
105 	{0x0300, 0x04},
106 	{0x0301, 0x00},
107 	{0x0302, 0x84},
108 	{0x0303, 0x00},
109 	{0x0304, 0x03},
110 	{0x0305, 0x01},
111 	{0x0306, 0x01},
112 	{0x030a, 0x00},
113 	{0x030b, 0x00},
114 	{0x030c, 0x00},
115 	{0x030d, 0x26},
116 	{0x030e, 0x00},
117 	{0x030f, 0x06},
118 	{0x0312, 0x01},
119 	{0x3031, 0x0a},
120 };
121 
122 static const struct ov5670_reg mode_2592x1944_regs[] = {
123 	{0x3000, 0x00},
124 	{0x3002, 0x21},
125 	{0x3005, 0xf0},
126 	{0x3007, 0x00},
127 	{0x3015, 0x0f},
128 	{0x3018, 0x32},
129 	{0x301a, 0xf0},
130 	{0x301b, 0xf0},
131 	{0x301c, 0xf0},
132 	{0x301d, 0xf0},
133 	{0x301e, 0xf0},
134 	{0x3030, 0x00},
135 	{0x3031, 0x0a},
136 	{0x303c, 0xff},
137 	{0x303e, 0xff},
138 	{0x3040, 0xf0},
139 	{0x3041, 0x00},
140 	{0x3042, 0xf0},
141 	{0x3106, 0x11},
142 	{0x3500, 0x00},
143 	{0x3501, 0x80},
144 	{0x3502, 0x00},
145 	{0x3503, 0x04},
146 	{0x3504, 0x03},
147 	{0x3505, 0x83},
148 	{0x3508, 0x04},
149 	{0x3509, 0x00},
150 	{0x350e, 0x04},
151 	{0x350f, 0x00},
152 	{0x3510, 0x00},
153 	{0x3511, 0x02},
154 	{0x3512, 0x00},
155 	{0x3601, 0xc8},
156 	{0x3610, 0x88},
157 	{0x3612, 0x48},
158 	{0x3614, 0x5b},
159 	{0x3615, 0x96},
160 	{0x3621, 0xd0},
161 	{0x3622, 0x00},
162 	{0x3623, 0x00},
163 	{0x3633, 0x13},
164 	{0x3634, 0x13},
165 	{0x3635, 0x13},
166 	{0x3636, 0x13},
167 	{0x3645, 0x13},
168 	{0x3646, 0x82},
169 	{0x3650, 0x00},
170 	{0x3652, 0xff},
171 	{0x3655, 0x20},
172 	{0x3656, 0xff},
173 	{0x365a, 0xff},
174 	{0x365e, 0xff},
175 	{0x3668, 0x00},
176 	{0x366a, 0x07},
177 	{0x366e, 0x10},
178 	{0x366d, 0x00},
179 	{0x366f, 0x80},
180 	{0x3700, 0x28},
181 	{0x3701, 0x10},
182 	{0x3702, 0x3a},
183 	{0x3703, 0x19},
184 	{0x3704, 0x10},
185 	{0x3705, 0x00},
186 	{0x3706, 0x66},
187 	{0x3707, 0x08},
188 	{0x3708, 0x34},
189 	{0x3709, 0x40},
190 	{0x370a, 0x01},
191 	{0x370b, 0x1b},
192 	{0x3714, 0x24},
193 	{0x371a, 0x3e},
194 	{0x3733, 0x00},
195 	{0x3734, 0x00},
196 	{0x373a, 0x05},
197 	{0x373b, 0x06},
198 	{0x373c, 0x0a},
199 	{0x373f, 0xa0},
200 	{0x3755, 0x00},
201 	{0x3758, 0x00},
202 	{0x375b, 0x0e},
203 	{0x3766, 0x5f},
204 	{0x3768, 0x00},
205 	{0x3769, 0x22},
206 	{0x3773, 0x08},
207 	{0x3774, 0x1f},
208 	{0x3776, 0x06},
209 	{0x37a0, 0x88},
210 	{0x37a1, 0x5c},
211 	{0x37a7, 0x88},
212 	{0x37a8, 0x70},
213 	{0x37aa, 0x88},
214 	{0x37ab, 0x48},
215 	{0x37b3, 0x66},
216 	{0x37c2, 0x04},
217 	{0x37c5, 0x00},
218 	{0x37c8, 0x00},
219 	{0x3800, 0x00},
220 	{0x3801, 0x0c},
221 	{0x3802, 0x00},
222 	{0x3803, 0x04},
223 	{0x3804, 0x0a},
224 	{0x3805, 0x33},
225 	{0x3806, 0x07},
226 	{0x3807, 0xa3},
227 	{0x3808, 0x0a},
228 	{0x3809, 0x20},
229 	{0x380a, 0x07},
230 	{0x380b, 0x98},
231 	{0x380c, 0x06},
232 	{0x380d, 0x90},
233 	{0x380e, 0x08},
234 	{0x380f, 0x08},
235 	{0x3811, 0x04},
236 	{0x3813, 0x02},
237 	{0x3814, 0x01},
238 	{0x3815, 0x01},
239 	{0x3816, 0x00},
240 	{0x3817, 0x00},
241 	{0x3818, 0x00},
242 	{0x3819, 0x00},
243 	{0x3820, 0x84},
244 	{0x3821, 0x46},
245 	{0x3822, 0x48},
246 	{0x3826, 0x00},
247 	{0x3827, 0x08},
248 	{0x382a, 0x01},
249 	{0x382b, 0x01},
250 	{0x3830, 0x08},
251 	{0x3836, 0x02},
252 	{0x3837, 0x00},
253 	{0x3838, 0x10},
254 	{0x3841, 0xff},
255 	{0x3846, 0x48},
256 	{0x3861, 0x00},
257 	{0x3862, 0x04},
258 	{0x3863, 0x06},
259 	{0x3a11, 0x01},
260 	{0x3a12, 0x78},
261 	{0x3b00, 0x00},
262 	{0x3b02, 0x00},
263 	{0x3b03, 0x00},
264 	{0x3b04, 0x00},
265 	{0x3b05, 0x00},
266 	{0x3c00, 0x89},
267 	{0x3c01, 0xab},
268 	{0x3c02, 0x01},
269 	{0x3c03, 0x00},
270 	{0x3c04, 0x00},
271 	{0x3c05, 0x03},
272 	{0x3c06, 0x00},
273 	{0x3c07, 0x05},
274 	{0x3c0c, 0x00},
275 	{0x3c0d, 0x00},
276 	{0x3c0e, 0x00},
277 	{0x3c0f, 0x00},
278 	{0x3c40, 0x00},
279 	{0x3c41, 0xa3},
280 	{0x3c43, 0x7d},
281 	{0x3c45, 0xd7},
282 	{0x3c47, 0xfc},
283 	{0x3c50, 0x05},
284 	{0x3c52, 0xaa},
285 	{0x3c54, 0x71},
286 	{0x3c56, 0x80},
287 	{0x3d85, 0x17},
288 	{0x3f03, 0x00},
289 	{0x3f0a, 0x00},
290 	{0x3f0b, 0x00},
291 	{0x4001, 0x60},
292 	{0x4009, 0x0d},
293 	{0x4020, 0x00},
294 	{0x4021, 0x00},
295 	{0x4022, 0x00},
296 	{0x4023, 0x00},
297 	{0x4024, 0x00},
298 	{0x4025, 0x00},
299 	{0x4026, 0x00},
300 	{0x4027, 0x00},
301 	{0x4028, 0x00},
302 	{0x4029, 0x00},
303 	{0x402a, 0x00},
304 	{0x402b, 0x00},
305 	{0x402c, 0x00},
306 	{0x402d, 0x00},
307 	{0x402e, 0x00},
308 	{0x402f, 0x00},
309 	{0x4040, 0x00},
310 	{0x4041, 0x03},
311 	{0x4042, 0x00},
312 	{0x4043, 0x7A},
313 	{0x4044, 0x00},
314 	{0x4045, 0x7A},
315 	{0x4046, 0x00},
316 	{0x4047, 0x7A},
317 	{0x4048, 0x00},
318 	{0x4049, 0x7A},
319 	{0x4307, 0x30},
320 	{0x4500, 0x58},
321 	{0x4501, 0x04},
322 	{0x4502, 0x40},
323 	{0x4503, 0x10},
324 	{0x4508, 0xaa},
325 	{0x4509, 0xaa},
326 	{0x450a, 0x00},
327 	{0x450b, 0x00},
328 	{0x4600, 0x01},
329 	{0x4601, 0x03},
330 	{0x4700, 0xa4},
331 	{0x4800, 0x4c},
332 	{0x4816, 0x53},
333 	{0x481f, 0x40},
334 	{0x4837, 0x13},
335 	{0x5000, 0x56},
336 	{0x5001, 0x01},
337 	{0x5002, 0x28},
338 	{0x5004, 0x0c},
339 	{0x5006, 0x0c},
340 	{0x5007, 0xe0},
341 	{0x5008, 0x01},
342 	{0x5009, 0xb0},
343 	{0x5901, 0x00},
344 	{0x5a01, 0x00},
345 	{0x5a03, 0x00},
346 	{0x5a04, 0x0c},
347 	{0x5a05, 0xe0},
348 	{0x5a06, 0x09},
349 	{0x5a07, 0xb0},
350 	{0x5a08, 0x06},
351 	{0x5e00, 0x00},
352 	{0x3734, 0x40},
353 	{0x5b00, 0x01},
354 	{0x5b01, 0x10},
355 	{0x5b02, 0x01},
356 	{0x5b03, 0xdb},
357 	{0x3d8c, 0x71},
358 	{0x3d8d, 0xea},
359 	{0x4017, 0x08},
360 	{0x3618, 0x2a},
361 	{0x5780, 0x3e},
362 	{0x5781, 0x0f},
363 	{0x5782, 0x44},
364 	{0x5783, 0x02},
365 	{0x5784, 0x01},
366 	{0x5785, 0x01},
367 	{0x5786, 0x00},
368 	{0x5787, 0x04},
369 	{0x5788, 0x02},
370 	{0x5789, 0x0f},
371 	{0x578a, 0xfd},
372 	{0x578b, 0xf5},
373 	{0x578c, 0xf5},
374 	{0x578d, 0x03},
375 	{0x578e, 0x08},
376 	{0x578f, 0x0c},
377 	{0x5790, 0x08},
378 	{0x5791, 0x06},
379 	{0x5792, 0x00},
380 	{0x5793, 0x52},
381 	{0x5794, 0xa3},
382 	{0x3503, 0x00},
383 	{0x5045, 0x05},
384 	{0x4003, 0x40},
385 	{0x5048, 0x40}
386 };
387 
388 static const struct ov5670_reg mode_1296x972_regs[] = {
389 	{0x3000, 0x00},
390 	{0x3002, 0x21},
391 	{0x3005, 0xf0},
392 	{0x3007, 0x00},
393 	{0x3015, 0x0f},
394 	{0x3018, 0x32},
395 	{0x301a, 0xf0},
396 	{0x301b, 0xf0},
397 	{0x301c, 0xf0},
398 	{0x301d, 0xf0},
399 	{0x301e, 0xf0},
400 	{0x3030, 0x00},
401 	{0x3031, 0x0a},
402 	{0x303c, 0xff},
403 	{0x303e, 0xff},
404 	{0x3040, 0xf0},
405 	{0x3041, 0x00},
406 	{0x3042, 0xf0},
407 	{0x3106, 0x11},
408 	{0x3500, 0x00},
409 	{0x3501, 0x80},
410 	{0x3502, 0x00},
411 	{0x3503, 0x04},
412 	{0x3504, 0x03},
413 	{0x3505, 0x83},
414 	{0x3508, 0x07},
415 	{0x3509, 0x80},
416 	{0x350e, 0x04},
417 	{0x350f, 0x00},
418 	{0x3510, 0x00},
419 	{0x3511, 0x02},
420 	{0x3512, 0x00},
421 	{0x3601, 0xc8},
422 	{0x3610, 0x88},
423 	{0x3612, 0x48},
424 	{0x3614, 0x5b},
425 	{0x3615, 0x96},
426 	{0x3621, 0xd0},
427 	{0x3622, 0x00},
428 	{0x3623, 0x00},
429 	{0x3633, 0x13},
430 	{0x3634, 0x13},
431 	{0x3635, 0x13},
432 	{0x3636, 0x13},
433 	{0x3645, 0x13},
434 	{0x3646, 0x82},
435 	{0x3650, 0x00},
436 	{0x3652, 0xff},
437 	{0x3655, 0x20},
438 	{0x3656, 0xff},
439 	{0x365a, 0xff},
440 	{0x365e, 0xff},
441 	{0x3668, 0x00},
442 	{0x366a, 0x07},
443 	{0x366e, 0x08},
444 	{0x366d, 0x00},
445 	{0x366f, 0x80},
446 	{0x3700, 0x28},
447 	{0x3701, 0x10},
448 	{0x3702, 0x3a},
449 	{0x3703, 0x19},
450 	{0x3704, 0x10},
451 	{0x3705, 0x00},
452 	{0x3706, 0x66},
453 	{0x3707, 0x08},
454 	{0x3708, 0x34},
455 	{0x3709, 0x40},
456 	{0x370a, 0x01},
457 	{0x370b, 0x1b},
458 	{0x3714, 0x24},
459 	{0x371a, 0x3e},
460 	{0x3733, 0x00},
461 	{0x3734, 0x00},
462 	{0x373a, 0x05},
463 	{0x373b, 0x06},
464 	{0x373c, 0x0a},
465 	{0x373f, 0xa0},
466 	{0x3755, 0x00},
467 	{0x3758, 0x00},
468 	{0x375b, 0x0e},
469 	{0x3766, 0x5f},
470 	{0x3768, 0x00},
471 	{0x3769, 0x22},
472 	{0x3773, 0x08},
473 	{0x3774, 0x1f},
474 	{0x3776, 0x06},
475 	{0x37a0, 0x88},
476 	{0x37a1, 0x5c},
477 	{0x37a7, 0x88},
478 	{0x37a8, 0x70},
479 	{0x37aa, 0x88},
480 	{0x37ab, 0x48},
481 	{0x37b3, 0x66},
482 	{0x37c2, 0x04},
483 	{0x37c5, 0x00},
484 	{0x37c8, 0x00},
485 	{0x3800, 0x00},
486 	{0x3801, 0x0c},
487 	{0x3802, 0x00},
488 	{0x3803, 0x04},
489 	{0x3804, 0x0a},
490 	{0x3805, 0x33},
491 	{0x3806, 0x07},
492 	{0x3807, 0xa3},
493 	{0x3808, 0x05},
494 	{0x3809, 0x10},
495 	{0x380a, 0x03},
496 	{0x380b, 0xcc},
497 	{0x380c, 0x06},
498 	{0x380d, 0x90},
499 	{0x380e, 0x08},
500 	{0x380f, 0x08},
501 	{0x3811, 0x04},
502 	{0x3813, 0x04},
503 	{0x3814, 0x03},
504 	{0x3815, 0x01},
505 	{0x3816, 0x00},
506 	{0x3817, 0x00},
507 	{0x3818, 0x00},
508 	{0x3819, 0x00},
509 	{0x3820, 0x94},
510 	{0x3821, 0x47},
511 	{0x3822, 0x48},
512 	{0x3826, 0x00},
513 	{0x3827, 0x08},
514 	{0x382a, 0x03},
515 	{0x382b, 0x01},
516 	{0x3830, 0x08},
517 	{0x3836, 0x02},
518 	{0x3837, 0x00},
519 	{0x3838, 0x10},
520 	{0x3841, 0xff},
521 	{0x3846, 0x48},
522 	{0x3861, 0x00},
523 	{0x3862, 0x04},
524 	{0x3863, 0x06},
525 	{0x3a11, 0x01},
526 	{0x3a12, 0x78},
527 	{0x3b00, 0x00},
528 	{0x3b02, 0x00},
529 	{0x3b03, 0x00},
530 	{0x3b04, 0x00},
531 	{0x3b05, 0x00},
532 	{0x3c00, 0x89},
533 	{0x3c01, 0xab},
534 	{0x3c02, 0x01},
535 	{0x3c03, 0x00},
536 	{0x3c04, 0x00},
537 	{0x3c05, 0x03},
538 	{0x3c06, 0x00},
539 	{0x3c07, 0x05},
540 	{0x3c0c, 0x00},
541 	{0x3c0d, 0x00},
542 	{0x3c0e, 0x00},
543 	{0x3c0f, 0x00},
544 	{0x3c40, 0x00},
545 	{0x3c41, 0xa3},
546 	{0x3c43, 0x7d},
547 	{0x3c45, 0xd7},
548 	{0x3c47, 0xfc},
549 	{0x3c50, 0x05},
550 	{0x3c52, 0xaa},
551 	{0x3c54, 0x71},
552 	{0x3c56, 0x80},
553 	{0x3d85, 0x17},
554 	{0x3f03, 0x00},
555 	{0x3f0a, 0x00},
556 	{0x3f0b, 0x00},
557 	{0x4001, 0x60},
558 	{0x4009, 0x05},
559 	{0x4020, 0x00},
560 	{0x4021, 0x00},
561 	{0x4022, 0x00},
562 	{0x4023, 0x00},
563 	{0x4024, 0x00},
564 	{0x4025, 0x00},
565 	{0x4026, 0x00},
566 	{0x4027, 0x00},
567 	{0x4028, 0x00},
568 	{0x4029, 0x00},
569 	{0x402a, 0x00},
570 	{0x402b, 0x00},
571 	{0x402c, 0x00},
572 	{0x402d, 0x00},
573 	{0x402e, 0x00},
574 	{0x402f, 0x00},
575 	{0x4040, 0x00},
576 	{0x4041, 0x03},
577 	{0x4042, 0x00},
578 	{0x4043, 0x7A},
579 	{0x4044, 0x00},
580 	{0x4045, 0x7A},
581 	{0x4046, 0x00},
582 	{0x4047, 0x7A},
583 	{0x4048, 0x00},
584 	{0x4049, 0x7A},
585 	{0x4307, 0x30},
586 	{0x4500, 0x58},
587 	{0x4501, 0x04},
588 	{0x4502, 0x48},
589 	{0x4503, 0x10},
590 	{0x4508, 0x55},
591 	{0x4509, 0x55},
592 	{0x450a, 0x00},
593 	{0x450b, 0x00},
594 	{0x4600, 0x00},
595 	{0x4601, 0x81},
596 	{0x4700, 0xa4},
597 	{0x4800, 0x4c},
598 	{0x4816, 0x53},
599 	{0x481f, 0x40},
600 	{0x4837, 0x13},
601 	{0x5000, 0x56},
602 	{0x5001, 0x01},
603 	{0x5002, 0x28},
604 	{0x5004, 0x0c},
605 	{0x5006, 0x0c},
606 	{0x5007, 0xe0},
607 	{0x5008, 0x01},
608 	{0x5009, 0xb0},
609 	{0x5901, 0x00},
610 	{0x5a01, 0x00},
611 	{0x5a03, 0x00},
612 	{0x5a04, 0x0c},
613 	{0x5a05, 0xe0},
614 	{0x5a06, 0x09},
615 	{0x5a07, 0xb0},
616 	{0x5a08, 0x06},
617 	{0x5e00, 0x00},
618 	{0x3734, 0x40},
619 	{0x5b00, 0x01},
620 	{0x5b01, 0x10},
621 	{0x5b02, 0x01},
622 	{0x5b03, 0xdb},
623 	{0x3d8c, 0x71},
624 	{0x3d8d, 0xea},
625 	{0x4017, 0x10},
626 	{0x3618, 0x2a},
627 	{0x5780, 0x3e},
628 	{0x5781, 0x0f},
629 	{0x5782, 0x44},
630 	{0x5783, 0x02},
631 	{0x5784, 0x01},
632 	{0x5785, 0x01},
633 	{0x5786, 0x00},
634 	{0x5787, 0x04},
635 	{0x5788, 0x02},
636 	{0x5789, 0x0f},
637 	{0x578a, 0xfd},
638 	{0x578b, 0xf5},
639 	{0x578c, 0xf5},
640 	{0x578d, 0x03},
641 	{0x578e, 0x08},
642 	{0x578f, 0x0c},
643 	{0x5790, 0x08},
644 	{0x5791, 0x04},
645 	{0x5792, 0x00},
646 	{0x5793, 0x52},
647 	{0x5794, 0xa3},
648 	{0x3503, 0x00},
649 	{0x5045, 0x05},
650 	{0x4003, 0x40},
651 	{0x5048, 0x40}
652 };
653 
654 static const struct ov5670_reg mode_648x486_regs[] = {
655 	{0x3000, 0x00},
656 	{0x3002, 0x21},
657 	{0x3005, 0xf0},
658 	{0x3007, 0x00},
659 	{0x3015, 0x0f},
660 	{0x3018, 0x32},
661 	{0x301a, 0xf0},
662 	{0x301b, 0xf0},
663 	{0x301c, 0xf0},
664 	{0x301d, 0xf0},
665 	{0x301e, 0xf0},
666 	{0x3030, 0x00},
667 	{0x3031, 0x0a},
668 	{0x303c, 0xff},
669 	{0x303e, 0xff},
670 	{0x3040, 0xf0},
671 	{0x3041, 0x00},
672 	{0x3042, 0xf0},
673 	{0x3106, 0x11},
674 	{0x3500, 0x00},
675 	{0x3501, 0x80},
676 	{0x3502, 0x00},
677 	{0x3503, 0x04},
678 	{0x3504, 0x03},
679 	{0x3505, 0x83},
680 	{0x3508, 0x04},
681 	{0x3509, 0x00},
682 	{0x350e, 0x04},
683 	{0x350f, 0x00},
684 	{0x3510, 0x00},
685 	{0x3511, 0x02},
686 	{0x3512, 0x00},
687 	{0x3601, 0xc8},
688 	{0x3610, 0x88},
689 	{0x3612, 0x48},
690 	{0x3614, 0x5b},
691 	{0x3615, 0x96},
692 	{0x3621, 0xd0},
693 	{0x3622, 0x00},
694 	{0x3623, 0x04},
695 	{0x3633, 0x13},
696 	{0x3634, 0x13},
697 	{0x3635, 0x13},
698 	{0x3636, 0x13},
699 	{0x3645, 0x13},
700 	{0x3646, 0x82},
701 	{0x3650, 0x00},
702 	{0x3652, 0xff},
703 	{0x3655, 0x20},
704 	{0x3656, 0xff},
705 	{0x365a, 0xff},
706 	{0x365e, 0xff},
707 	{0x3668, 0x00},
708 	{0x366a, 0x07},
709 	{0x366e, 0x08},
710 	{0x366d, 0x00},
711 	{0x366f, 0x80},
712 	{0x3700, 0x28},
713 	{0x3701, 0x10},
714 	{0x3702, 0x3a},
715 	{0x3703, 0x19},
716 	{0x3704, 0x10},
717 	{0x3705, 0x00},
718 	{0x3706, 0x66},
719 	{0x3707, 0x08},
720 	{0x3708, 0x34},
721 	{0x3709, 0x40},
722 	{0x370a, 0x01},
723 	{0x370b, 0x1b},
724 	{0x3714, 0x24},
725 	{0x371a, 0x3e},
726 	{0x3733, 0x00},
727 	{0x3734, 0x00},
728 	{0x373a, 0x05},
729 	{0x373b, 0x06},
730 	{0x373c, 0x0a},
731 	{0x373f, 0xa0},
732 	{0x3755, 0x00},
733 	{0x3758, 0x00},
734 	{0x375b, 0x0e},
735 	{0x3766, 0x5f},
736 	{0x3768, 0x00},
737 	{0x3769, 0x22},
738 	{0x3773, 0x08},
739 	{0x3774, 0x1f},
740 	{0x3776, 0x06},
741 	{0x37a0, 0x88},
742 	{0x37a1, 0x5c},
743 	{0x37a7, 0x88},
744 	{0x37a8, 0x70},
745 	{0x37aa, 0x88},
746 	{0x37ab, 0x48},
747 	{0x37b3, 0x66},
748 	{0x37c2, 0x04},
749 	{0x37c5, 0x00},
750 	{0x37c8, 0x00},
751 	{0x3800, 0x00},
752 	{0x3801, 0x0c},
753 	{0x3802, 0x00},
754 	{0x3803, 0x04},
755 	{0x3804, 0x0a},
756 	{0x3805, 0x33},
757 	{0x3806, 0x07},
758 	{0x3807, 0xa3},
759 	{0x3808, 0x02},
760 	{0x3809, 0x88},
761 	{0x380a, 0x01},
762 	{0x380b, 0xe6},
763 	{0x380c, 0x06},
764 	{0x380d, 0x90},
765 	{0x380e, 0x08},
766 	{0x380f, 0x08},
767 	{0x3811, 0x04},
768 	{0x3813, 0x02},
769 	{0x3814, 0x07},
770 	{0x3815, 0x01},
771 	{0x3816, 0x00},
772 	{0x3817, 0x00},
773 	{0x3818, 0x00},
774 	{0x3819, 0x00},
775 	{0x3820, 0x94},
776 	{0x3821, 0xc6},
777 	{0x3822, 0x48},
778 	{0x3826, 0x00},
779 	{0x3827, 0x08},
780 	{0x382a, 0x07},
781 	{0x382b, 0x01},
782 	{0x3830, 0x08},
783 	{0x3836, 0x02},
784 	{0x3837, 0x00},
785 	{0x3838, 0x10},
786 	{0x3841, 0xff},
787 	{0x3846, 0x48},
788 	{0x3861, 0x00},
789 	{0x3862, 0x04},
790 	{0x3863, 0x06},
791 	{0x3a11, 0x01},
792 	{0x3a12, 0x78},
793 	{0x3b00, 0x00},
794 	{0x3b02, 0x00},
795 	{0x3b03, 0x00},
796 	{0x3b04, 0x00},
797 	{0x3b05, 0x00},
798 	{0x3c00, 0x89},
799 	{0x3c01, 0xab},
800 	{0x3c02, 0x01},
801 	{0x3c03, 0x00},
802 	{0x3c04, 0x00},
803 	{0x3c05, 0x03},
804 	{0x3c06, 0x00},
805 	{0x3c07, 0x05},
806 	{0x3c0c, 0x00},
807 	{0x3c0d, 0x00},
808 	{0x3c0e, 0x00},
809 	{0x3c0f, 0x00},
810 	{0x3c40, 0x00},
811 	{0x3c41, 0xa3},
812 	{0x3c43, 0x7d},
813 	{0x3c45, 0xd7},
814 	{0x3c47, 0xfc},
815 	{0x3c50, 0x05},
816 	{0x3c52, 0xaa},
817 	{0x3c54, 0x71},
818 	{0x3c56, 0x80},
819 	{0x3d85, 0x17},
820 	{0x3f03, 0x00},
821 	{0x3f0a, 0x00},
822 	{0x3f0b, 0x00},
823 	{0x4001, 0x60},
824 	{0x4009, 0x05},
825 	{0x4020, 0x00},
826 	{0x4021, 0x00},
827 	{0x4022, 0x00},
828 	{0x4023, 0x00},
829 	{0x4024, 0x00},
830 	{0x4025, 0x00},
831 	{0x4026, 0x00},
832 	{0x4027, 0x00},
833 	{0x4028, 0x00},
834 	{0x4029, 0x00},
835 	{0x402a, 0x00},
836 	{0x402b, 0x00},
837 	{0x402c, 0x00},
838 	{0x402d, 0x00},
839 	{0x402e, 0x00},
840 	{0x402f, 0x00},
841 	{0x4040, 0x00},
842 	{0x4041, 0x03},
843 	{0x4042, 0x00},
844 	{0x4043, 0x7A},
845 	{0x4044, 0x00},
846 	{0x4045, 0x7A},
847 	{0x4046, 0x00},
848 	{0x4047, 0x7A},
849 	{0x4048, 0x00},
850 	{0x4049, 0x7A},
851 	{0x4307, 0x30},
852 	{0x4500, 0x58},
853 	{0x4501, 0x04},
854 	{0x4502, 0x40},
855 	{0x4503, 0x10},
856 	{0x4508, 0x55},
857 	{0x4509, 0x55},
858 	{0x450a, 0x02},
859 	{0x450b, 0x00},
860 	{0x4600, 0x00},
861 	{0x4601, 0x40},
862 	{0x4700, 0xa4},
863 	{0x4800, 0x4c},
864 	{0x4816, 0x53},
865 	{0x481f, 0x40},
866 	{0x4837, 0x13},
867 	{0x5000, 0x56},
868 	{0x5001, 0x01},
869 	{0x5002, 0x28},
870 	{0x5004, 0x0c},
871 	{0x5006, 0x0c},
872 	{0x5007, 0xe0},
873 	{0x5008, 0x01},
874 	{0x5009, 0xb0},
875 	{0x5901, 0x00},
876 	{0x5a01, 0x00},
877 	{0x5a03, 0x00},
878 	{0x5a04, 0x0c},
879 	{0x5a05, 0xe0},
880 	{0x5a06, 0x09},
881 	{0x5a07, 0xb0},
882 	{0x5a08, 0x06},
883 	{0x5e00, 0x00},
884 	{0x3734, 0x40},
885 	{0x5b00, 0x01},
886 	{0x5b01, 0x10},
887 	{0x5b02, 0x01},
888 	{0x5b03, 0xdb},
889 	{0x3d8c, 0x71},
890 	{0x3d8d, 0xea},
891 	{0x4017, 0x10},
892 	{0x3618, 0x2a},
893 	{0x5780, 0x3e},
894 	{0x5781, 0x0f},
895 	{0x5782, 0x44},
896 	{0x5783, 0x02},
897 	{0x5784, 0x01},
898 	{0x5785, 0x01},
899 	{0x5786, 0x00},
900 	{0x5787, 0x04},
901 	{0x5788, 0x02},
902 	{0x5789, 0x0f},
903 	{0x578a, 0xfd},
904 	{0x578b, 0xf5},
905 	{0x578c, 0xf5},
906 	{0x578d, 0x03},
907 	{0x578e, 0x08},
908 	{0x578f, 0x0c},
909 	{0x5790, 0x08},
910 	{0x5791, 0x06},
911 	{0x5792, 0x00},
912 	{0x5793, 0x52},
913 	{0x5794, 0xa3},
914 	{0x3503, 0x00},
915 	{0x5045, 0x05},
916 	{0x4003, 0x40},
917 	{0x5048, 0x40}
918 };
919 
920 static const struct ov5670_reg mode_2560x1440_regs[] = {
921 	{0x3000, 0x00},
922 	{0x3002, 0x21},
923 	{0x3005, 0xf0},
924 	{0x3007, 0x00},
925 	{0x3015, 0x0f},
926 	{0x3018, 0x32},
927 	{0x301a, 0xf0},
928 	{0x301b, 0xf0},
929 	{0x301c, 0xf0},
930 	{0x301d, 0xf0},
931 	{0x301e, 0xf0},
932 	{0x3030, 0x00},
933 	{0x3031, 0x0a},
934 	{0x303c, 0xff},
935 	{0x303e, 0xff},
936 	{0x3040, 0xf0},
937 	{0x3041, 0x00},
938 	{0x3042, 0xf0},
939 	{0x3106, 0x11},
940 	{0x3500, 0x00},
941 	{0x3501, 0x80},
942 	{0x3502, 0x00},
943 	{0x3503, 0x04},
944 	{0x3504, 0x03},
945 	{0x3505, 0x83},
946 	{0x3508, 0x04},
947 	{0x3509, 0x00},
948 	{0x350e, 0x04},
949 	{0x350f, 0x00},
950 	{0x3510, 0x00},
951 	{0x3511, 0x02},
952 	{0x3512, 0x00},
953 	{0x3601, 0xc8},
954 	{0x3610, 0x88},
955 	{0x3612, 0x48},
956 	{0x3614, 0x5b},
957 	{0x3615, 0x96},
958 	{0x3621, 0xd0},
959 	{0x3622, 0x00},
960 	{0x3623, 0x00},
961 	{0x3633, 0x13},
962 	{0x3634, 0x13},
963 	{0x3635, 0x13},
964 	{0x3636, 0x13},
965 	{0x3645, 0x13},
966 	{0x3646, 0x82},
967 	{0x3650, 0x00},
968 	{0x3652, 0xff},
969 	{0x3655, 0x20},
970 	{0x3656, 0xff},
971 	{0x365a, 0xff},
972 	{0x365e, 0xff},
973 	{0x3668, 0x00},
974 	{0x366a, 0x07},
975 	{0x366e, 0x10},
976 	{0x366d, 0x00},
977 	{0x366f, 0x80},
978 	{0x3700, 0x28},
979 	{0x3701, 0x10},
980 	{0x3702, 0x3a},
981 	{0x3703, 0x19},
982 	{0x3704, 0x10},
983 	{0x3705, 0x00},
984 	{0x3706, 0x66},
985 	{0x3707, 0x08},
986 	{0x3708, 0x34},
987 	{0x3709, 0x40},
988 	{0x370a, 0x01},
989 	{0x370b, 0x1b},
990 	{0x3714, 0x24},
991 	{0x371a, 0x3e},
992 	{0x3733, 0x00},
993 	{0x3734, 0x00},
994 	{0x373a, 0x05},
995 	{0x373b, 0x06},
996 	{0x373c, 0x0a},
997 	{0x373f, 0xa0},
998 	{0x3755, 0x00},
999 	{0x3758, 0x00},
1000 	{0x375b, 0x0e},
1001 	{0x3766, 0x5f},
1002 	{0x3768, 0x00},
1003 	{0x3769, 0x22},
1004 	{0x3773, 0x08},
1005 	{0x3774, 0x1f},
1006 	{0x3776, 0x06},
1007 	{0x37a0, 0x88},
1008 	{0x37a1, 0x5c},
1009 	{0x37a7, 0x88},
1010 	{0x37a8, 0x70},
1011 	{0x37aa, 0x88},
1012 	{0x37ab, 0x48},
1013 	{0x37b3, 0x66},
1014 	{0x37c2, 0x04},
1015 	{0x37c5, 0x00},
1016 	{0x37c8, 0x00},
1017 	{0x3800, 0x00},
1018 	{0x3801, 0x0c},
1019 	{0x3802, 0x00},
1020 	{0x3803, 0x04},
1021 	{0x3804, 0x0a},
1022 	{0x3805, 0x33},
1023 	{0x3806, 0x07},
1024 	{0x3807, 0xa3},
1025 	{0x3808, 0x0a},
1026 	{0x3809, 0x00},
1027 	{0x380a, 0x05},
1028 	{0x380b, 0xa0},
1029 	{0x380c, 0x06},
1030 	{0x380d, 0x90},
1031 	{0x380e, 0x08},
1032 	{0x380f, 0x08},
1033 	{0x3811, 0x04},
1034 	{0x3813, 0x02},
1035 	{0x3814, 0x01},
1036 	{0x3815, 0x01},
1037 	{0x3816, 0x00},
1038 	{0x3817, 0x00},
1039 	{0x3818, 0x00},
1040 	{0x3819, 0x00},
1041 	{0x3820, 0x84},
1042 	{0x3821, 0x46},
1043 	{0x3822, 0x48},
1044 	{0x3826, 0x00},
1045 	{0x3827, 0x08},
1046 	{0x382a, 0x01},
1047 	{0x382b, 0x01},
1048 	{0x3830, 0x08},
1049 	{0x3836, 0x02},
1050 	{0x3837, 0x00},
1051 	{0x3838, 0x10},
1052 	{0x3841, 0xff},
1053 	{0x3846, 0x48},
1054 	{0x3861, 0x00},
1055 	{0x3862, 0x04},
1056 	{0x3863, 0x06},
1057 	{0x3a11, 0x01},
1058 	{0x3a12, 0x78},
1059 	{0x3b00, 0x00},
1060 	{0x3b02, 0x00},
1061 	{0x3b03, 0x00},
1062 	{0x3b04, 0x00},
1063 	{0x3b05, 0x00},
1064 	{0x3c00, 0x89},
1065 	{0x3c01, 0xab},
1066 	{0x3c02, 0x01},
1067 	{0x3c03, 0x00},
1068 	{0x3c04, 0x00},
1069 	{0x3c05, 0x03},
1070 	{0x3c06, 0x00},
1071 	{0x3c07, 0x05},
1072 	{0x3c0c, 0x00},
1073 	{0x3c0d, 0x00},
1074 	{0x3c0e, 0x00},
1075 	{0x3c0f, 0x00},
1076 	{0x3c40, 0x00},
1077 	{0x3c41, 0xa3},
1078 	{0x3c43, 0x7d},
1079 	{0x3c45, 0xd7},
1080 	{0x3c47, 0xfc},
1081 	{0x3c50, 0x05},
1082 	{0x3c52, 0xaa},
1083 	{0x3c54, 0x71},
1084 	{0x3c56, 0x80},
1085 	{0x3d85, 0x17},
1086 	{0x3f03, 0x00},
1087 	{0x3f0a, 0x00},
1088 	{0x3f0b, 0x00},
1089 	{0x4001, 0x60},
1090 	{0x4009, 0x0d},
1091 	{0x4020, 0x00},
1092 	{0x4021, 0x00},
1093 	{0x4022, 0x00},
1094 	{0x4023, 0x00},
1095 	{0x4024, 0x00},
1096 	{0x4025, 0x00},
1097 	{0x4026, 0x00},
1098 	{0x4027, 0x00},
1099 	{0x4028, 0x00},
1100 	{0x4029, 0x00},
1101 	{0x402a, 0x00},
1102 	{0x402b, 0x00},
1103 	{0x402c, 0x00},
1104 	{0x402d, 0x00},
1105 	{0x402e, 0x00},
1106 	{0x402f, 0x00},
1107 	{0x4040, 0x00},
1108 	{0x4041, 0x03},
1109 	{0x4042, 0x00},
1110 	{0x4043, 0x7A},
1111 	{0x4044, 0x00},
1112 	{0x4045, 0x7A},
1113 	{0x4046, 0x00},
1114 	{0x4047, 0x7A},
1115 	{0x4048, 0x00},
1116 	{0x4049, 0x7A},
1117 	{0x4307, 0x30},
1118 	{0x4500, 0x58},
1119 	{0x4501, 0x04},
1120 	{0x4502, 0x40},
1121 	{0x4503, 0x10},
1122 	{0x4508, 0xaa},
1123 	{0x4509, 0xaa},
1124 	{0x450a, 0x00},
1125 	{0x450b, 0x00},
1126 	{0x4600, 0x01},
1127 	{0x4601, 0x00},
1128 	{0x4700, 0xa4},
1129 	{0x4800, 0x4c},
1130 	{0x4816, 0x53},
1131 	{0x481f, 0x40},
1132 	{0x4837, 0x13},
1133 	{0x5000, 0x56},
1134 	{0x5001, 0x01},
1135 	{0x5002, 0x28},
1136 	{0x5004, 0x0c},
1137 	{0x5006, 0x0c},
1138 	{0x5007, 0xe0},
1139 	{0x5008, 0x01},
1140 	{0x5009, 0xb0},
1141 	{0x5901, 0x00},
1142 	{0x5a01, 0x00},
1143 	{0x5a03, 0x00},
1144 	{0x5a04, 0x0c},
1145 	{0x5a05, 0xe0},
1146 	{0x5a06, 0x09},
1147 	{0x5a07, 0xb0},
1148 	{0x5a08, 0x06},
1149 	{0x5e00, 0x00},
1150 	{0x3734, 0x40},
1151 	{0x5b00, 0x01},
1152 	{0x5b01, 0x10},
1153 	{0x5b02, 0x01},
1154 	{0x5b03, 0xdb},
1155 	{0x3d8c, 0x71},
1156 	{0x3d8d, 0xea},
1157 	{0x4017, 0x08},
1158 	{0x3618, 0x2a},
1159 	{0x5780, 0x3e},
1160 	{0x5781, 0x0f},
1161 	{0x5782, 0x44},
1162 	{0x5783, 0x02},
1163 	{0x5784, 0x01},
1164 	{0x5785, 0x01},
1165 	{0x5786, 0x00},
1166 	{0x5787, 0x04},
1167 	{0x5788, 0x02},
1168 	{0x5789, 0x0f},
1169 	{0x578a, 0xfd},
1170 	{0x578b, 0xf5},
1171 	{0x578c, 0xf5},
1172 	{0x578d, 0x03},
1173 	{0x578e, 0x08},
1174 	{0x578f, 0x0c},
1175 	{0x5790, 0x08},
1176 	{0x5791, 0x06},
1177 	{0x5792, 0x00},
1178 	{0x5793, 0x52},
1179 	{0x5794, 0xa3},
1180 	{0x5045, 0x05},
1181 	{0x4003, 0x40},
1182 	{0x5048, 0x40}
1183 };
1184 
1185 static const struct ov5670_reg mode_1280x720_regs[] = {
1186 	{0x3000, 0x00},
1187 	{0x3002, 0x21},
1188 	{0x3005, 0xf0},
1189 	{0x3007, 0x00},
1190 	{0x3015, 0x0f},
1191 	{0x3018, 0x32},
1192 	{0x301a, 0xf0},
1193 	{0x301b, 0xf0},
1194 	{0x301c, 0xf0},
1195 	{0x301d, 0xf0},
1196 	{0x301e, 0xf0},
1197 	{0x3030, 0x00},
1198 	{0x3031, 0x0a},
1199 	{0x303c, 0xff},
1200 	{0x303e, 0xff},
1201 	{0x3040, 0xf0},
1202 	{0x3041, 0x00},
1203 	{0x3042, 0xf0},
1204 	{0x3106, 0x11},
1205 	{0x3500, 0x00},
1206 	{0x3501, 0x80},
1207 	{0x3502, 0x00},
1208 	{0x3503, 0x04},
1209 	{0x3504, 0x03},
1210 	{0x3505, 0x83},
1211 	{0x3508, 0x04},
1212 	{0x3509, 0x00},
1213 	{0x350e, 0x04},
1214 	{0x350f, 0x00},
1215 	{0x3510, 0x00},
1216 	{0x3511, 0x02},
1217 	{0x3512, 0x00},
1218 	{0x3601, 0xc8},
1219 	{0x3610, 0x88},
1220 	{0x3612, 0x48},
1221 	{0x3614, 0x5b},
1222 	{0x3615, 0x96},
1223 	{0x3621, 0xd0},
1224 	{0x3622, 0x00},
1225 	{0x3623, 0x00},
1226 	{0x3633, 0x13},
1227 	{0x3634, 0x13},
1228 	{0x3635, 0x13},
1229 	{0x3636, 0x13},
1230 	{0x3645, 0x13},
1231 	{0x3646, 0x82},
1232 	{0x3650, 0x00},
1233 	{0x3652, 0xff},
1234 	{0x3655, 0x20},
1235 	{0x3656, 0xff},
1236 	{0x365a, 0xff},
1237 	{0x365e, 0xff},
1238 	{0x3668, 0x00},
1239 	{0x366a, 0x07},
1240 	{0x366e, 0x08},
1241 	{0x366d, 0x00},
1242 	{0x366f, 0x80},
1243 	{0x3700, 0x28},
1244 	{0x3701, 0x10},
1245 	{0x3702, 0x3a},
1246 	{0x3703, 0x19},
1247 	{0x3704, 0x10},
1248 	{0x3705, 0x00},
1249 	{0x3706, 0x66},
1250 	{0x3707, 0x08},
1251 	{0x3708, 0x34},
1252 	{0x3709, 0x40},
1253 	{0x370a, 0x01},
1254 	{0x370b, 0x1b},
1255 	{0x3714, 0x24},
1256 	{0x371a, 0x3e},
1257 	{0x3733, 0x00},
1258 	{0x3734, 0x00},
1259 	{0x373a, 0x05},
1260 	{0x373b, 0x06},
1261 	{0x373c, 0x0a},
1262 	{0x373f, 0xa0},
1263 	{0x3755, 0x00},
1264 	{0x3758, 0x00},
1265 	{0x375b, 0x0e},
1266 	{0x3766, 0x5f},
1267 	{0x3768, 0x00},
1268 	{0x3769, 0x22},
1269 	{0x3773, 0x08},
1270 	{0x3774, 0x1f},
1271 	{0x3776, 0x06},
1272 	{0x37a0, 0x88},
1273 	{0x37a1, 0x5c},
1274 	{0x37a7, 0x88},
1275 	{0x37a8, 0x70},
1276 	{0x37aa, 0x88},
1277 	{0x37ab, 0x48},
1278 	{0x37b3, 0x66},
1279 	{0x37c2, 0x04},
1280 	{0x37c5, 0x00},
1281 	{0x37c8, 0x00},
1282 	{0x3800, 0x00},
1283 	{0x3801, 0x0c},
1284 	{0x3802, 0x00},
1285 	{0x3803, 0x04},
1286 	{0x3804, 0x0a},
1287 	{0x3805, 0x33},
1288 	{0x3806, 0x07},
1289 	{0x3807, 0xa3},
1290 	{0x3808, 0x05},
1291 	{0x3809, 0x00},
1292 	{0x380a, 0x02},
1293 	{0x380b, 0xd0},
1294 	{0x380c, 0x06},
1295 	{0x380d, 0x90},
1296 	{0x380e, 0x08},
1297 	{0x380f, 0x08},
1298 	{0x3811, 0x04},
1299 	{0x3813, 0x02},
1300 	{0x3814, 0x03},
1301 	{0x3815, 0x01},
1302 	{0x3816, 0x00},
1303 	{0x3817, 0x00},
1304 	{0x3818, 0x00},
1305 	{0x3819, 0x00},
1306 	{0x3820, 0x94},
1307 	{0x3821, 0x47},
1308 	{0x3822, 0x48},
1309 	{0x3826, 0x00},
1310 	{0x3827, 0x08},
1311 	{0x382a, 0x03},
1312 	{0x382b, 0x01},
1313 	{0x3830, 0x08},
1314 	{0x3836, 0x02},
1315 	{0x3837, 0x00},
1316 	{0x3838, 0x10},
1317 	{0x3841, 0xff},
1318 	{0x3846, 0x48},
1319 	{0x3861, 0x00},
1320 	{0x3862, 0x04},
1321 	{0x3863, 0x06},
1322 	{0x3a11, 0x01},
1323 	{0x3a12, 0x78},
1324 	{0x3b00, 0x00},
1325 	{0x3b02, 0x00},
1326 	{0x3b03, 0x00},
1327 	{0x3b04, 0x00},
1328 	{0x3b05, 0x00},
1329 	{0x3c00, 0x89},
1330 	{0x3c01, 0xab},
1331 	{0x3c02, 0x01},
1332 	{0x3c03, 0x00},
1333 	{0x3c04, 0x00},
1334 	{0x3c05, 0x03},
1335 	{0x3c06, 0x00},
1336 	{0x3c07, 0x05},
1337 	{0x3c0c, 0x00},
1338 	{0x3c0d, 0x00},
1339 	{0x3c0e, 0x00},
1340 	{0x3c0f, 0x00},
1341 	{0x3c40, 0x00},
1342 	{0x3c41, 0xa3},
1343 	{0x3c43, 0x7d},
1344 	{0x3c45, 0xd7},
1345 	{0x3c47, 0xfc},
1346 	{0x3c50, 0x05},
1347 	{0x3c52, 0xaa},
1348 	{0x3c54, 0x71},
1349 	{0x3c56, 0x80},
1350 	{0x3d85, 0x17},
1351 	{0x3f03, 0x00},
1352 	{0x3f0a, 0x00},
1353 	{0x3f0b, 0x00},
1354 	{0x4001, 0x60},
1355 	{0x4009, 0x05},
1356 	{0x4020, 0x00},
1357 	{0x4021, 0x00},
1358 	{0x4022, 0x00},
1359 	{0x4023, 0x00},
1360 	{0x4024, 0x00},
1361 	{0x4025, 0x00},
1362 	{0x4026, 0x00},
1363 	{0x4027, 0x00},
1364 	{0x4028, 0x00},
1365 	{0x4029, 0x00},
1366 	{0x402a, 0x00},
1367 	{0x402b, 0x00},
1368 	{0x402c, 0x00},
1369 	{0x402d, 0x00},
1370 	{0x402e, 0x00},
1371 	{0x402f, 0x00},
1372 	{0x4040, 0x00},
1373 	{0x4041, 0x03},
1374 	{0x4042, 0x00},
1375 	{0x4043, 0x7A},
1376 	{0x4044, 0x00},
1377 	{0x4045, 0x7A},
1378 	{0x4046, 0x00},
1379 	{0x4047, 0x7A},
1380 	{0x4048, 0x00},
1381 	{0x4049, 0x7A},
1382 	{0x4307, 0x30},
1383 	{0x4500, 0x58},
1384 	{0x4501, 0x04},
1385 	{0x4502, 0x48},
1386 	{0x4503, 0x10},
1387 	{0x4508, 0x55},
1388 	{0x4509, 0x55},
1389 	{0x450a, 0x00},
1390 	{0x450b, 0x00},
1391 	{0x4600, 0x00},
1392 	{0x4601, 0x80},
1393 	{0x4700, 0xa4},
1394 	{0x4800, 0x4c},
1395 	{0x4816, 0x53},
1396 	{0x481f, 0x40},
1397 	{0x4837, 0x13},
1398 	{0x5000, 0x56},
1399 	{0x5001, 0x01},
1400 	{0x5002, 0x28},
1401 	{0x5004, 0x0c},
1402 	{0x5006, 0x0c},
1403 	{0x5007, 0xe0},
1404 	{0x5008, 0x01},
1405 	{0x5009, 0xb0},
1406 	{0x5901, 0x00},
1407 	{0x5a01, 0x00},
1408 	{0x5a03, 0x00},
1409 	{0x5a04, 0x0c},
1410 	{0x5a05, 0xe0},
1411 	{0x5a06, 0x09},
1412 	{0x5a07, 0xb0},
1413 	{0x5a08, 0x06},
1414 	{0x5e00, 0x00},
1415 	{0x3734, 0x40},
1416 	{0x5b00, 0x01},
1417 	{0x5b01, 0x10},
1418 	{0x5b02, 0x01},
1419 	{0x5b03, 0xdb},
1420 	{0x3d8c, 0x71},
1421 	{0x3d8d, 0xea},
1422 	{0x4017, 0x10},
1423 	{0x3618, 0x2a},
1424 	{0x5780, 0x3e},
1425 	{0x5781, 0x0f},
1426 	{0x5782, 0x44},
1427 	{0x5783, 0x02},
1428 	{0x5784, 0x01},
1429 	{0x5785, 0x01},
1430 	{0x5786, 0x00},
1431 	{0x5787, 0x04},
1432 	{0x5788, 0x02},
1433 	{0x5789, 0x0f},
1434 	{0x578a, 0xfd},
1435 	{0x578b, 0xf5},
1436 	{0x578c, 0xf5},
1437 	{0x578d, 0x03},
1438 	{0x578e, 0x08},
1439 	{0x578f, 0x0c},
1440 	{0x5790, 0x08},
1441 	{0x5791, 0x06},
1442 	{0x5792, 0x00},
1443 	{0x5793, 0x52},
1444 	{0x5794, 0xa3},
1445 	{0x3503, 0x00},
1446 	{0x5045, 0x05},
1447 	{0x4003, 0x40},
1448 	{0x5048, 0x40}
1449 };
1450 
1451 static const struct ov5670_reg mode_640x360_regs[] = {
1452 	{0x3000, 0x00},
1453 	{0x3002, 0x21},
1454 	{0x3005, 0xf0},
1455 	{0x3007, 0x00},
1456 	{0x3015, 0x0f},
1457 	{0x3018, 0x32},
1458 	{0x301a, 0xf0},
1459 	{0x301b, 0xf0},
1460 	{0x301c, 0xf0},
1461 	{0x301d, 0xf0},
1462 	{0x301e, 0xf0},
1463 	{0x3030, 0x00},
1464 	{0x3031, 0x0a},
1465 	{0x303c, 0xff},
1466 	{0x303e, 0xff},
1467 	{0x3040, 0xf0},
1468 	{0x3041, 0x00},
1469 	{0x3042, 0xf0},
1470 	{0x3106, 0x11},
1471 	{0x3500, 0x00},
1472 	{0x3501, 0x80},
1473 	{0x3502, 0x00},
1474 	{0x3503, 0x04},
1475 	{0x3504, 0x03},
1476 	{0x3505, 0x83},
1477 	{0x3508, 0x04},
1478 	{0x3509, 0x00},
1479 	{0x350e, 0x04},
1480 	{0x350f, 0x00},
1481 	{0x3510, 0x00},
1482 	{0x3511, 0x02},
1483 	{0x3512, 0x00},
1484 	{0x3601, 0xc8},
1485 	{0x3610, 0x88},
1486 	{0x3612, 0x48},
1487 	{0x3614, 0x5b},
1488 	{0x3615, 0x96},
1489 	{0x3621, 0xd0},
1490 	{0x3622, 0x00},
1491 	{0x3623, 0x04},
1492 	{0x3633, 0x13},
1493 	{0x3634, 0x13},
1494 	{0x3635, 0x13},
1495 	{0x3636, 0x13},
1496 	{0x3645, 0x13},
1497 	{0x3646, 0x82},
1498 	{0x3650, 0x00},
1499 	{0x3652, 0xff},
1500 	{0x3655, 0x20},
1501 	{0x3656, 0xff},
1502 	{0x365a, 0xff},
1503 	{0x365e, 0xff},
1504 	{0x3668, 0x00},
1505 	{0x366a, 0x07},
1506 	{0x366e, 0x08},
1507 	{0x366d, 0x00},
1508 	{0x366f, 0x80},
1509 	{0x3700, 0x28},
1510 	{0x3701, 0x10},
1511 	{0x3702, 0x3a},
1512 	{0x3703, 0x19},
1513 	{0x3704, 0x10},
1514 	{0x3705, 0x00},
1515 	{0x3706, 0x66},
1516 	{0x3707, 0x08},
1517 	{0x3708, 0x34},
1518 	{0x3709, 0x40},
1519 	{0x370a, 0x01},
1520 	{0x370b, 0x1b},
1521 	{0x3714, 0x24},
1522 	{0x371a, 0x3e},
1523 	{0x3733, 0x00},
1524 	{0x3734, 0x00},
1525 	{0x373a, 0x05},
1526 	{0x373b, 0x06},
1527 	{0x373c, 0x0a},
1528 	{0x373f, 0xa0},
1529 	{0x3755, 0x00},
1530 	{0x3758, 0x00},
1531 	{0x375b, 0x0e},
1532 	{0x3766, 0x5f},
1533 	{0x3768, 0x00},
1534 	{0x3769, 0x22},
1535 	{0x3773, 0x08},
1536 	{0x3774, 0x1f},
1537 	{0x3776, 0x06},
1538 	{0x37a0, 0x88},
1539 	{0x37a1, 0x5c},
1540 	{0x37a7, 0x88},
1541 	{0x37a8, 0x70},
1542 	{0x37aa, 0x88},
1543 	{0x37ab, 0x48},
1544 	{0x37b3, 0x66},
1545 	{0x37c2, 0x04},
1546 	{0x37c5, 0x00},
1547 	{0x37c8, 0x00},
1548 	{0x3800, 0x00},
1549 	{0x3801, 0x0c},
1550 	{0x3802, 0x00},
1551 	{0x3803, 0x04},
1552 	{0x3804, 0x0a},
1553 	{0x3805, 0x33},
1554 	{0x3806, 0x07},
1555 	{0x3807, 0xa3},
1556 	{0x3808, 0x02},
1557 	{0x3809, 0x80},
1558 	{0x380a, 0x01},
1559 	{0x380b, 0x68},
1560 	{0x380c, 0x06},
1561 	{0x380d, 0x90},
1562 	{0x380e, 0x08},
1563 	{0x380f, 0x08},
1564 	{0x3811, 0x04},
1565 	{0x3813, 0x02},
1566 	{0x3814, 0x07},
1567 	{0x3815, 0x01},
1568 	{0x3816, 0x00},
1569 	{0x3817, 0x00},
1570 	{0x3818, 0x00},
1571 	{0x3819, 0x00},
1572 	{0x3820, 0x94},
1573 	{0x3821, 0xc6},
1574 	{0x3822, 0x48},
1575 	{0x3826, 0x00},
1576 	{0x3827, 0x08},
1577 	{0x382a, 0x07},
1578 	{0x382b, 0x01},
1579 	{0x3830, 0x08},
1580 	{0x3836, 0x02},
1581 	{0x3837, 0x00},
1582 	{0x3838, 0x10},
1583 	{0x3841, 0xff},
1584 	{0x3846, 0x48},
1585 	{0x3861, 0x00},
1586 	{0x3862, 0x04},
1587 	{0x3863, 0x06},
1588 	{0x3a11, 0x01},
1589 	{0x3a12, 0x78},
1590 	{0x3b00, 0x00},
1591 	{0x3b02, 0x00},
1592 	{0x3b03, 0x00},
1593 	{0x3b04, 0x00},
1594 	{0x3b05, 0x00},
1595 	{0x3c00, 0x89},
1596 	{0x3c01, 0xab},
1597 	{0x3c02, 0x01},
1598 	{0x3c03, 0x00},
1599 	{0x3c04, 0x00},
1600 	{0x3c05, 0x03},
1601 	{0x3c06, 0x00},
1602 	{0x3c07, 0x05},
1603 	{0x3c0c, 0x00},
1604 	{0x3c0d, 0x00},
1605 	{0x3c0e, 0x00},
1606 	{0x3c0f, 0x00},
1607 	{0x3c40, 0x00},
1608 	{0x3c41, 0xa3},
1609 	{0x3c43, 0x7d},
1610 	{0x3c45, 0xd7},
1611 	{0x3c47, 0xfc},
1612 	{0x3c50, 0x05},
1613 	{0x3c52, 0xaa},
1614 	{0x3c54, 0x71},
1615 	{0x3c56, 0x80},
1616 	{0x3d85, 0x17},
1617 	{0x3f03, 0x00},
1618 	{0x3f0a, 0x00},
1619 	{0x3f0b, 0x00},
1620 	{0x4001, 0x60},
1621 	{0x4009, 0x05},
1622 	{0x4020, 0x00},
1623 	{0x4021, 0x00},
1624 	{0x4022, 0x00},
1625 	{0x4023, 0x00},
1626 	{0x4024, 0x00},
1627 	{0x4025, 0x00},
1628 	{0x4026, 0x00},
1629 	{0x4027, 0x00},
1630 	{0x4028, 0x00},
1631 	{0x4029, 0x00},
1632 	{0x402a, 0x00},
1633 	{0x402b, 0x00},
1634 	{0x402c, 0x00},
1635 	{0x402d, 0x00},
1636 	{0x402e, 0x00},
1637 	{0x402f, 0x00},
1638 	{0x4040, 0x00},
1639 	{0x4041, 0x03},
1640 	{0x4042, 0x00},
1641 	{0x4043, 0x7A},
1642 	{0x4044, 0x00},
1643 	{0x4045, 0x7A},
1644 	{0x4046, 0x00},
1645 	{0x4047, 0x7A},
1646 	{0x4048, 0x00},
1647 	{0x4049, 0x7A},
1648 	{0x4307, 0x30},
1649 	{0x4500, 0x58},
1650 	{0x4501, 0x04},
1651 	{0x4502, 0x40},
1652 	{0x4503, 0x10},
1653 	{0x4508, 0x55},
1654 	{0x4509, 0x55},
1655 	{0x450a, 0x02},
1656 	{0x450b, 0x00},
1657 	{0x4600, 0x00},
1658 	{0x4601, 0x40},
1659 	{0x4700, 0xa4},
1660 	{0x4800, 0x4c},
1661 	{0x4816, 0x53},
1662 	{0x481f, 0x40},
1663 	{0x4837, 0x13},
1664 	{0x5000, 0x56},
1665 	{0x5001, 0x01},
1666 	{0x5002, 0x28},
1667 	{0x5004, 0x0c},
1668 	{0x5006, 0x0c},
1669 	{0x5007, 0xe0},
1670 	{0x5008, 0x01},
1671 	{0x5009, 0xb0},
1672 	{0x5901, 0x00},
1673 	{0x5a01, 0x00},
1674 	{0x5a03, 0x00},
1675 	{0x5a04, 0x0c},
1676 	{0x5a05, 0xe0},
1677 	{0x5a06, 0x09},
1678 	{0x5a07, 0xb0},
1679 	{0x5a08, 0x06},
1680 	{0x5e00, 0x00},
1681 	{0x3734, 0x40},
1682 	{0x5b00, 0x01},
1683 	{0x5b01, 0x10},
1684 	{0x5b02, 0x01},
1685 	{0x5b03, 0xdb},
1686 	{0x3d8c, 0x71},
1687 	{0x3d8d, 0xea},
1688 	{0x4017, 0x10},
1689 	{0x3618, 0x2a},
1690 	{0x5780, 0x3e},
1691 	{0x5781, 0x0f},
1692 	{0x5782, 0x44},
1693 	{0x5783, 0x02},
1694 	{0x5784, 0x01},
1695 	{0x5785, 0x01},
1696 	{0x5786, 0x00},
1697 	{0x5787, 0x04},
1698 	{0x5788, 0x02},
1699 	{0x5789, 0x0f},
1700 	{0x578a, 0xfd},
1701 	{0x578b, 0xf5},
1702 	{0x578c, 0xf5},
1703 	{0x578d, 0x03},
1704 	{0x578e, 0x08},
1705 	{0x578f, 0x0c},
1706 	{0x5790, 0x08},
1707 	{0x5791, 0x06},
1708 	{0x5792, 0x00},
1709 	{0x5793, 0x52},
1710 	{0x5794, 0xa3},
1711 	{0x3503, 0x00},
1712 	{0x5045, 0x05},
1713 	{0x4003, 0x40},
1714 	{0x5048, 0x40}
1715 };
1716 
1717 static const char * const ov5670_test_pattern_menu[] = {
1718 	"Disabled",
1719 	"Vertical Color Bar Type 1",
1720 };
1721 
1722 /* Supported link frequencies */
1723 #define OV5670_LINK_FREQ_422MHZ		422400000
1724 #define OV5670_LINK_FREQ_422MHZ_INDEX	0
1725 static const struct ov5670_link_freq_config link_freq_configs[] = {
1726 	{
1727 		/* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1728 		.pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1729 		.reg_list = {
1730 			.num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1731 			.regs = mipi_data_rate_840mbps,
1732 		}
1733 	}
1734 };
1735 
1736 static const s64 link_freq_menu_items[] = {
1737 	OV5670_LINK_FREQ_422MHZ
1738 };
1739 
1740 /*
1741  * OV5670 sensor supports following resolutions with full FOV:
1742  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1743  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1744  */
1745 static const struct ov5670_mode supported_modes[] = {
1746 	{
1747 		.width = 2592,
1748 		.height = 1944,
1749 		.vts_def = OV5670_VTS_30FPS,
1750 		.vts_min = OV5670_VTS_30FPS,
1751 		.reg_list = {
1752 			.num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1753 			.regs = mode_2592x1944_regs,
1754 		},
1755 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1756 	},
1757 	{
1758 		.width = 1296,
1759 		.height = 972,
1760 		.vts_def = OV5670_VTS_30FPS,
1761 		.vts_min = 996,
1762 		.reg_list = {
1763 			.num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1764 			.regs = mode_1296x972_regs,
1765 		},
1766 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1767 	},
1768 	{
1769 		.width = 648,
1770 		.height = 486,
1771 		.vts_def = OV5670_VTS_30FPS,
1772 		.vts_min = 516,
1773 		.reg_list = {
1774 			.num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1775 			.regs = mode_648x486_regs,
1776 		},
1777 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1778 	},
1779 	{
1780 		.width = 2560,
1781 		.height = 1440,
1782 		.vts_def = OV5670_VTS_30FPS,
1783 		.vts_min = OV5670_VTS_30FPS,
1784 		.reg_list = {
1785 			.num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1786 			.regs = mode_2560x1440_regs,
1787 		},
1788 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1789 	},
1790 	{
1791 		.width = 1280,
1792 		.height = 720,
1793 		.vts_def = OV5670_VTS_30FPS,
1794 		.vts_min = 1020,
1795 		.reg_list = {
1796 			.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1797 			.regs = mode_1280x720_regs,
1798 		},
1799 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1800 	},
1801 	{
1802 		.width = 640,
1803 		.height = 360,
1804 		.vts_def = OV5670_VTS_30FPS,
1805 		.vts_min = 510,
1806 		.reg_list = {
1807 			.num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1808 			.regs = mode_640x360_regs,
1809 		},
1810 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1811 	}
1812 };
1813 
1814 struct ov5670 {
1815 	struct v4l2_subdev sd;
1816 	struct media_pad pad;
1817 
1818 	struct v4l2_ctrl_handler ctrl_handler;
1819 	/* V4L2 Controls */
1820 	struct v4l2_ctrl *link_freq;
1821 	struct v4l2_ctrl *pixel_rate;
1822 	struct v4l2_ctrl *vblank;
1823 	struct v4l2_ctrl *hblank;
1824 	struct v4l2_ctrl *exposure;
1825 
1826 	/* Current mode */
1827 	const struct ov5670_mode *cur_mode;
1828 
1829 	/* To serialize asynchronus callbacks */
1830 	struct mutex mutex;
1831 
1832 	/* Streaming on/off */
1833 	bool streaming;
1834 };
1835 
1836 #define to_ov5670(_sd)	container_of(_sd, struct ov5670, sd)
1837 
1838 /* Read registers up to 4 at a time */
1839 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1840 			   u32 *val)
1841 {
1842 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1843 	struct i2c_msg msgs[2];
1844 	u8 *data_be_p;
1845 	__be32 data_be = 0;
1846 	__be16 reg_addr_be = cpu_to_be16(reg);
1847 	int ret;
1848 
1849 	if (len > 4)
1850 		return -EINVAL;
1851 
1852 	data_be_p = (u8 *)&data_be;
1853 	/* Write register address */
1854 	msgs[0].addr = client->addr;
1855 	msgs[0].flags = 0;
1856 	msgs[0].len = 2;
1857 	msgs[0].buf = (u8 *)&reg_addr_be;
1858 
1859 	/* Read data from register */
1860 	msgs[1].addr = client->addr;
1861 	msgs[1].flags = I2C_M_RD;
1862 	msgs[1].len = len;
1863 	msgs[1].buf = &data_be_p[4 - len];
1864 
1865 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1866 	if (ret != ARRAY_SIZE(msgs))
1867 		return -EIO;
1868 
1869 	*val = be32_to_cpu(data_be);
1870 
1871 	return 0;
1872 }
1873 
1874 /* Write registers up to 4 at a time */
1875 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1876 			    u32 val)
1877 {
1878 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1879 	int buf_i;
1880 	int val_i;
1881 	u8 buf[6];
1882 	u8 *val_p;
1883 	__be32 tmp;
1884 
1885 	if (len > 4)
1886 		return -EINVAL;
1887 
1888 	buf[0] = reg >> 8;
1889 	buf[1] = reg & 0xff;
1890 
1891 	tmp = cpu_to_be32(val);
1892 	val_p = (u8 *)&tmp;
1893 	buf_i = 2;
1894 	val_i = 4 - len;
1895 
1896 	while (val_i < 4)
1897 		buf[buf_i++] = val_p[val_i++];
1898 
1899 	if (i2c_master_send(client, buf, len + 2) != len + 2)
1900 		return -EIO;
1901 
1902 	return 0;
1903 }
1904 
1905 /* Write a list of registers */
1906 static int ov5670_write_regs(struct ov5670 *ov5670,
1907 			     const struct ov5670_reg *regs, unsigned int len)
1908 {
1909 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1910 	unsigned int i;
1911 	int ret;
1912 
1913 	for (i = 0; i < len; i++) {
1914 		ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1915 		if (ret) {
1916 			dev_err_ratelimited(
1917 				&client->dev,
1918 				"Failed to write reg 0x%4.4x. error = %d\n",
1919 				regs[i].address, ret);
1920 
1921 			return ret;
1922 		}
1923 	}
1924 
1925 	return 0;
1926 }
1927 
1928 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1929 				 const struct ov5670_reg_list *r_list)
1930 {
1931 	return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1932 }
1933 
1934 /* Open sub-device */
1935 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1936 {
1937 	struct ov5670 *ov5670 = to_ov5670(sd);
1938 	struct v4l2_mbus_framefmt *try_fmt =
1939 				v4l2_subdev_get_try_format(sd, fh->pad, 0);
1940 
1941 	mutex_lock(&ov5670->mutex);
1942 
1943 	/* Initialize try_fmt */
1944 	try_fmt->width = ov5670->cur_mode->width;
1945 	try_fmt->height = ov5670->cur_mode->height;
1946 	try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1947 	try_fmt->field = V4L2_FIELD_NONE;
1948 
1949 	/* No crop or compose */
1950 	mutex_unlock(&ov5670->mutex);
1951 
1952 	return 0;
1953 }
1954 
1955 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1956 {
1957 	int ret;
1958 
1959 	ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1960 			       OV5670_REG_VALUE_16BIT, d_gain);
1961 	if (ret)
1962 		return ret;
1963 
1964 	ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1965 			       OV5670_REG_VALUE_16BIT, d_gain);
1966 	if (ret)
1967 		return ret;
1968 
1969 	return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1970 				OV5670_REG_VALUE_16BIT, d_gain);
1971 }
1972 
1973 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1974 {
1975 	u32 val;
1976 	int ret;
1977 
1978 	/* Set the bayer order that we support */
1979 	ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1980 			       OV5670_REG_VALUE_08BIT, 0);
1981 	if (ret)
1982 		return ret;
1983 
1984 	ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1985 			      OV5670_REG_VALUE_08BIT, &val);
1986 	if (ret)
1987 		return ret;
1988 
1989 	if (pattern)
1990 		val |= OV5670_TEST_PATTERN_ENABLE;
1991 	else
1992 		val &= ~OV5670_TEST_PATTERN_ENABLE;
1993 
1994 	return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1995 				OV5670_REG_VALUE_08BIT, val);
1996 }
1997 
1998 /* Initialize control handlers */
1999 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2000 {
2001 	struct ov5670 *ov5670 = container_of(ctrl->handler,
2002 					     struct ov5670, ctrl_handler);
2003 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2004 	s64 max;
2005 	int ret = 0;
2006 
2007 	/* Propagate change of current control to all related controls */
2008 	switch (ctrl->id) {
2009 	case V4L2_CID_VBLANK:
2010 		/* Update max exposure while meeting expected vblanking */
2011 		max = ov5670->cur_mode->height + ctrl->val - 8;
2012 		__v4l2_ctrl_modify_range(ov5670->exposure,
2013 					 ov5670->exposure->minimum, max,
2014 					 ov5670->exposure->step, max);
2015 		break;
2016 	}
2017 
2018 	/* V4L2 controls values will be applied only when power is already up */
2019 	if (!pm_runtime_get_if_in_use(&client->dev))
2020 		return 0;
2021 
2022 	switch (ctrl->id) {
2023 	case V4L2_CID_ANALOGUE_GAIN:
2024 		ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2025 				       OV5670_REG_VALUE_16BIT, ctrl->val);
2026 		break;
2027 	case V4L2_CID_DIGITAL_GAIN:
2028 		ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2029 		break;
2030 	case V4L2_CID_EXPOSURE:
2031 		/* 4 least significant bits of expsoure are fractional part */
2032 		ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2033 				       OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2034 		break;
2035 	case V4L2_CID_VBLANK:
2036 		/* Update VTS that meets expected vertical blanking */
2037 		ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2038 				       OV5670_REG_VALUE_16BIT,
2039 				       ov5670->cur_mode->height + ctrl->val);
2040 		break;
2041 	case V4L2_CID_TEST_PATTERN:
2042 		ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2043 		break;
2044 	default:
2045 		dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2046 			 __func__, ctrl->id, ctrl->val);
2047 		break;
2048 	}
2049 
2050 	pm_runtime_put(&client->dev);
2051 
2052 	return ret;
2053 }
2054 
2055 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2056 	.s_ctrl = ov5670_set_ctrl,
2057 };
2058 
2059 /* Initialize control handlers */
2060 static int ov5670_init_controls(struct ov5670 *ov5670)
2061 {
2062 	struct v4l2_ctrl_handler *ctrl_hdlr;
2063 	s64 vblank_max;
2064 	s64 vblank_def;
2065 	s64 vblank_min;
2066 	s64 exposure_max;
2067 	int ret;
2068 
2069 	ctrl_hdlr = &ov5670->ctrl_handler;
2070 	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
2071 	if (ret)
2072 		return ret;
2073 
2074 	ctrl_hdlr->lock = &ov5670->mutex;
2075 	ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2076 						   &ov5670_ctrl_ops,
2077 						   V4L2_CID_LINK_FREQ,
2078 						   0, 0, link_freq_menu_items);
2079 	if (ov5670->link_freq)
2080 		ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2081 
2082 	/* By default, V4L2_CID_PIXEL_RATE is read only */
2083 	ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2084 					       V4L2_CID_PIXEL_RATE, 0,
2085 					       link_freq_configs[0].pixel_rate,
2086 					       1,
2087 					       link_freq_configs[0].pixel_rate);
2088 
2089 	vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2090 	vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2091 	vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2092 	ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2093 					   V4L2_CID_VBLANK, vblank_min,
2094 					   vblank_max, 1, vblank_def);
2095 
2096 	ov5670->hblank = v4l2_ctrl_new_std(
2097 				ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2098 				OV5670_FIXED_PPL - ov5670->cur_mode->width,
2099 				OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2100 				OV5670_FIXED_PPL - ov5670->cur_mode->width);
2101 	if (ov5670->hblank)
2102 		ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2103 
2104 	/* Get min, max, step, default from sensor */
2105 	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2106 			  ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2107 			  ANALOG_GAIN_DEFAULT);
2108 
2109 	/* Digital gain */
2110 	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2111 			  OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2112 			  OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2113 
2114 	/* Get min, max, step, default from sensor */
2115 	exposure_max = ov5670->cur_mode->vts_def - 8;
2116 	ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2117 					     V4L2_CID_EXPOSURE,
2118 					     OV5670_EXPOSURE_MIN,
2119 					     exposure_max, OV5670_EXPOSURE_STEP,
2120 					     exposure_max);
2121 
2122 	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2123 				     V4L2_CID_TEST_PATTERN,
2124 				     ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2125 				     0, 0, ov5670_test_pattern_menu);
2126 
2127 	if (ctrl_hdlr->error) {
2128 		ret = ctrl_hdlr->error;
2129 		goto error;
2130 	}
2131 
2132 	ov5670->sd.ctrl_handler = ctrl_hdlr;
2133 
2134 	return 0;
2135 
2136 error:
2137 	v4l2_ctrl_handler_free(ctrl_hdlr);
2138 
2139 	return ret;
2140 }
2141 
2142 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2143 				 struct v4l2_subdev_pad_config *cfg,
2144 				 struct v4l2_subdev_mbus_code_enum *code)
2145 {
2146 	/* Only one bayer order GRBG is supported */
2147 	if (code->index > 0)
2148 		return -EINVAL;
2149 
2150 	code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2151 
2152 	return 0;
2153 }
2154 
2155 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2156 				  struct v4l2_subdev_pad_config *cfg,
2157 				  struct v4l2_subdev_frame_size_enum *fse)
2158 {
2159 	if (fse->index >= ARRAY_SIZE(supported_modes))
2160 		return -EINVAL;
2161 
2162 	if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2163 		return -EINVAL;
2164 
2165 	fse->min_width = supported_modes[fse->index].width;
2166 	fse->max_width = fse->min_width;
2167 	fse->min_height = supported_modes[fse->index].height;
2168 	fse->max_height = fse->min_height;
2169 
2170 	return 0;
2171 }
2172 
2173 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2174 				     struct v4l2_subdev_format *fmt)
2175 {
2176 	fmt->format.width = mode->width;
2177 	fmt->format.height = mode->height;
2178 	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2179 	fmt->format.field = V4L2_FIELD_NONE;
2180 }
2181 
2182 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2183 				    struct v4l2_subdev_pad_config *cfg,
2184 				    struct v4l2_subdev_format *fmt)
2185 {
2186 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2187 		fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, cfg,
2188 							  fmt->pad);
2189 	else
2190 		ov5670_update_pad_format(ov5670->cur_mode, fmt);
2191 
2192 	return 0;
2193 }
2194 
2195 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2196 				 struct v4l2_subdev_pad_config *cfg,
2197 				 struct v4l2_subdev_format *fmt)
2198 {
2199 	struct ov5670 *ov5670 = to_ov5670(sd);
2200 	int ret;
2201 
2202 	mutex_lock(&ov5670->mutex);
2203 	ret = ov5670_do_get_pad_format(ov5670, cfg, fmt);
2204 	mutex_unlock(&ov5670->mutex);
2205 
2206 	return ret;
2207 }
2208 
2209 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2210 				 struct v4l2_subdev_pad_config *cfg,
2211 				 struct v4l2_subdev_format *fmt)
2212 {
2213 	struct ov5670 *ov5670 = to_ov5670(sd);
2214 	const struct ov5670_mode *mode;
2215 	s32 vblank_def;
2216 	s32 h_blank;
2217 
2218 	mutex_lock(&ov5670->mutex);
2219 
2220 	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2221 
2222 	mode = v4l2_find_nearest_size(supported_modes,
2223 				      ARRAY_SIZE(supported_modes),
2224 				      width, height,
2225 				      fmt->format.width, fmt->format.height);
2226 	ov5670_update_pad_format(mode, fmt);
2227 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2228 		*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
2229 	} else {
2230 		ov5670->cur_mode = mode;
2231 		__v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2232 		__v4l2_ctrl_s_ctrl_int64(
2233 			ov5670->pixel_rate,
2234 			link_freq_configs[mode->link_freq_index].pixel_rate);
2235 		/* Update limits and set FPS to default */
2236 		vblank_def = ov5670->cur_mode->vts_def -
2237 			     ov5670->cur_mode->height;
2238 		__v4l2_ctrl_modify_range(
2239 			ov5670->vblank,
2240 			ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2241 			OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2242 			vblank_def);
2243 		__v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2244 		h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2245 		__v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2246 					 h_blank);
2247 	}
2248 
2249 	mutex_unlock(&ov5670->mutex);
2250 
2251 	return 0;
2252 }
2253 
2254 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2255 {
2256 	*frames = OV5670_NUM_OF_SKIP_FRAMES;
2257 
2258 	return 0;
2259 }
2260 
2261 /* Prepare streaming by writing default values and customized values */
2262 static int ov5670_start_streaming(struct ov5670 *ov5670)
2263 {
2264 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2265 	const struct ov5670_reg_list *reg_list;
2266 	int link_freq_index;
2267 	int ret;
2268 
2269 	/* Get out of from software reset */
2270 	ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2271 			       OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2272 	if (ret) {
2273 		dev_err(&client->dev, "%s failed to set powerup registers\n",
2274 			__func__);
2275 		return ret;
2276 	}
2277 
2278 	/* Setup PLL */
2279 	link_freq_index = ov5670->cur_mode->link_freq_index;
2280 	reg_list = &link_freq_configs[link_freq_index].reg_list;
2281 	ret = ov5670_write_reg_list(ov5670, reg_list);
2282 	if (ret) {
2283 		dev_err(&client->dev, "%s failed to set plls\n", __func__);
2284 		return ret;
2285 	}
2286 
2287 	/* Apply default values of current mode */
2288 	reg_list = &ov5670->cur_mode->reg_list;
2289 	ret = ov5670_write_reg_list(ov5670, reg_list);
2290 	if (ret) {
2291 		dev_err(&client->dev, "%s failed to set mode\n", __func__);
2292 		return ret;
2293 	}
2294 
2295 	ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2296 	if (ret)
2297 		return ret;
2298 
2299 	/* Write stream on list */
2300 	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2301 			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2302 	if (ret) {
2303 		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2304 		return ret;
2305 	}
2306 
2307 	return 0;
2308 }
2309 
2310 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2311 {
2312 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2313 	int ret;
2314 
2315 	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2316 			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2317 	if (ret)
2318 		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2319 
2320 	/* Return success even if it was an error, as there is nothing the
2321 	 * caller can do about it.
2322 	 */
2323 	return 0;
2324 }
2325 
2326 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2327 {
2328 	struct ov5670 *ov5670 = to_ov5670(sd);
2329 	struct i2c_client *client = v4l2_get_subdevdata(sd);
2330 	int ret = 0;
2331 
2332 	mutex_lock(&ov5670->mutex);
2333 	if (ov5670->streaming == enable)
2334 		goto unlock_and_return;
2335 
2336 	if (enable) {
2337 		ret = pm_runtime_get_sync(&client->dev);
2338 		if (ret < 0) {
2339 			pm_runtime_put_noidle(&client->dev);
2340 			goto unlock_and_return;
2341 		}
2342 
2343 		ret = ov5670_start_streaming(ov5670);
2344 		if (ret)
2345 			goto error;
2346 	} else {
2347 		ret = ov5670_stop_streaming(ov5670);
2348 		pm_runtime_put(&client->dev);
2349 	}
2350 	ov5670->streaming = enable;
2351 	goto unlock_and_return;
2352 
2353 error:
2354 	pm_runtime_put(&client->dev);
2355 
2356 unlock_and_return:
2357 	mutex_unlock(&ov5670->mutex);
2358 
2359 	return ret;
2360 }
2361 
2362 static int __maybe_unused ov5670_suspend(struct device *dev)
2363 {
2364 	struct i2c_client *client = to_i2c_client(dev);
2365 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2366 	struct ov5670 *ov5670 = to_ov5670(sd);
2367 
2368 	if (ov5670->streaming)
2369 		ov5670_stop_streaming(ov5670);
2370 
2371 	return 0;
2372 }
2373 
2374 static int __maybe_unused ov5670_resume(struct device *dev)
2375 {
2376 	struct i2c_client *client = to_i2c_client(dev);
2377 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2378 	struct ov5670 *ov5670 = to_ov5670(sd);
2379 	int ret;
2380 
2381 	if (ov5670->streaming) {
2382 		ret = ov5670_start_streaming(ov5670);
2383 		if (ret) {
2384 			ov5670_stop_streaming(ov5670);
2385 			return ret;
2386 		}
2387 	}
2388 
2389 	return 0;
2390 }
2391 
2392 /* Verify chip ID */
2393 static int ov5670_identify_module(struct ov5670 *ov5670)
2394 {
2395 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2396 	int ret;
2397 	u32 val;
2398 
2399 	ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2400 			      OV5670_REG_VALUE_24BIT, &val);
2401 	if (ret)
2402 		return ret;
2403 
2404 	if (val != OV5670_CHIP_ID) {
2405 		dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2406 			OV5670_CHIP_ID, val);
2407 		return -ENXIO;
2408 	}
2409 
2410 	return 0;
2411 }
2412 
2413 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2414 	.s_stream = ov5670_set_stream,
2415 };
2416 
2417 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2418 	.enum_mbus_code = ov5670_enum_mbus_code,
2419 	.get_fmt = ov5670_get_pad_format,
2420 	.set_fmt = ov5670_set_pad_format,
2421 	.enum_frame_size = ov5670_enum_frame_size,
2422 };
2423 
2424 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2425 	.g_skip_frames = ov5670_get_skip_frames,
2426 };
2427 
2428 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2429 	.video = &ov5670_video_ops,
2430 	.pad = &ov5670_pad_ops,
2431 	.sensor = &ov5670_sensor_ops,
2432 };
2433 
2434 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2435 	.link_validate = v4l2_subdev_link_validate,
2436 };
2437 
2438 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2439 	.open = ov5670_open,
2440 };
2441 
2442 static int ov5670_probe(struct i2c_client *client)
2443 {
2444 	struct ov5670 *ov5670;
2445 	const char *err_msg;
2446 	u32 input_clk = 0;
2447 	int ret;
2448 
2449 	device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2450 	if (input_clk != 19200000)
2451 		return -EINVAL;
2452 
2453 	ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2454 	if (!ov5670) {
2455 		ret = -ENOMEM;
2456 		err_msg = "devm_kzalloc() error";
2457 		goto error_print;
2458 	}
2459 
2460 	/* Initialize subdev */
2461 	v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2462 
2463 	/* Check module identity */
2464 	ret = ov5670_identify_module(ov5670);
2465 	if (ret) {
2466 		err_msg = "ov5670_identify_module() error";
2467 		goto error_print;
2468 	}
2469 
2470 	mutex_init(&ov5670->mutex);
2471 
2472 	/* Set default mode to max resolution */
2473 	ov5670->cur_mode = &supported_modes[0];
2474 
2475 	ret = ov5670_init_controls(ov5670);
2476 	if (ret) {
2477 		err_msg = "ov5670_init_controls() error";
2478 		goto error_mutex_destroy;
2479 	}
2480 
2481 	ov5670->sd.internal_ops = &ov5670_internal_ops;
2482 	ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2483 	ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2484 	ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2485 
2486 	/* Source pad initialization */
2487 	ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2488 	ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2489 	if (ret) {
2490 		err_msg = "media_entity_pads_init() error";
2491 		goto error_handler_free;
2492 	}
2493 
2494 	/* Async register for subdev */
2495 	ret = v4l2_async_register_subdev_sensor_common(&ov5670->sd);
2496 	if (ret < 0) {
2497 		err_msg = "v4l2_async_register_subdev() error";
2498 		goto error_entity_cleanup;
2499 	}
2500 
2501 	ov5670->streaming = false;
2502 
2503 	/*
2504 	 * Device is already turned on by i2c-core with ACPI domain PM.
2505 	 * Enable runtime PM and turn off the device.
2506 	 */
2507 	pm_runtime_set_active(&client->dev);
2508 	pm_runtime_enable(&client->dev);
2509 	pm_runtime_idle(&client->dev);
2510 
2511 	return 0;
2512 
2513 error_entity_cleanup:
2514 	media_entity_cleanup(&ov5670->sd.entity);
2515 
2516 error_handler_free:
2517 	v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2518 
2519 error_mutex_destroy:
2520 	mutex_destroy(&ov5670->mutex);
2521 
2522 error_print:
2523 	dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2524 
2525 	return ret;
2526 }
2527 
2528 static int ov5670_remove(struct i2c_client *client)
2529 {
2530 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2531 	struct ov5670 *ov5670 = to_ov5670(sd);
2532 
2533 	v4l2_async_unregister_subdev(sd);
2534 	media_entity_cleanup(&sd->entity);
2535 	v4l2_ctrl_handler_free(sd->ctrl_handler);
2536 	mutex_destroy(&ov5670->mutex);
2537 
2538 	pm_runtime_disable(&client->dev);
2539 
2540 	return 0;
2541 }
2542 
2543 static const struct dev_pm_ops ov5670_pm_ops = {
2544 	SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2545 };
2546 
2547 #ifdef CONFIG_ACPI
2548 static const struct acpi_device_id ov5670_acpi_ids[] = {
2549 	{"INT3479"},
2550 	{ /* sentinel */ }
2551 };
2552 
2553 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2554 #endif
2555 
2556 static struct i2c_driver ov5670_i2c_driver = {
2557 	.driver = {
2558 		.name = "ov5670",
2559 		.pm = &ov5670_pm_ops,
2560 		.acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2561 	},
2562 	.probe_new = ov5670_probe,
2563 	.remove = ov5670_remove,
2564 };
2565 
2566 module_i2c_driver(ov5670_i2c_driver);
2567 
2568 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2569 MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>");
2570 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2571 MODULE_LICENSE("GPL v2");
2572