xref: /openbmc/linux/drivers/media/i2c/ov5670.c (revision 0352f880)
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Intel Corporation.
3 
4 #include <linux/acpi.h>
5 #include <linux/i2c.h>
6 #include <linux/module.h>
7 #include <linux/pm_runtime.h>
8 #include <media/v4l2-ctrls.h>
9 #include <media/v4l2-device.h>
10 #include <media/v4l2-event.h>
11 #include <media/v4l2-fwnode.h>
12 
13 #define OV5670_REG_CHIP_ID		0x300a
14 #define OV5670_CHIP_ID			0x005670
15 
16 #define OV5670_REG_MODE_SELECT		0x0100
17 #define OV5670_MODE_STANDBY		0x00
18 #define OV5670_MODE_STREAMING		0x01
19 
20 #define OV5670_REG_SOFTWARE_RST		0x0103
21 #define OV5670_SOFTWARE_RST		0x01
22 
23 /* vertical-timings from sensor */
24 #define OV5670_REG_VTS			0x380e
25 #define OV5670_VTS_30FPS		0x0808 /* default for 30 fps */
26 #define OV5670_VTS_MAX			0xffff
27 
28 /* horizontal-timings from sensor */
29 #define OV5670_REG_HTS			0x380c
30 
31 /*
32  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
33  * In OV5670, Time-per-line = HTS/SCLK.
34  * HTS is fixed for all resolutions, not recommended to change.
35  */
36 #define OV5670_FIXED_PPL		2724	/* Pixels per line */
37 
38 /* Exposure controls from sensor */
39 #define OV5670_REG_EXPOSURE		0x3500
40 #define	OV5670_EXPOSURE_MIN		4
41 #define	OV5670_EXPOSURE_STEP		1
42 
43 /* Analog gain controls from sensor */
44 #define OV5670_REG_ANALOG_GAIN		0x3508
45 #define	ANALOG_GAIN_MIN			0
46 #define	ANALOG_GAIN_MAX			8191
47 #define	ANALOG_GAIN_STEP		1
48 #define	ANALOG_GAIN_DEFAULT		128
49 
50 /* Digital gain controls from sensor */
51 #define OV5670_REG_R_DGTL_GAIN		0x5032
52 #define OV5670_REG_G_DGTL_GAIN		0x5034
53 #define OV5670_REG_B_DGTL_GAIN		0x5036
54 #define OV5670_DGTL_GAIN_MIN		0
55 #define OV5670_DGTL_GAIN_MAX		4095
56 #define OV5670_DGTL_GAIN_STEP		1
57 #define OV5670_DGTL_GAIN_DEFAULT	1024
58 
59 /* Test Pattern Control */
60 #define OV5670_REG_TEST_PATTERN		0x4303
61 #define OV5670_TEST_PATTERN_ENABLE	BIT(3)
62 #define OV5670_REG_TEST_PATTERN_CTRL	0x4320
63 
64 #define OV5670_REG_VALUE_08BIT		1
65 #define OV5670_REG_VALUE_16BIT		2
66 #define OV5670_REG_VALUE_24BIT		3
67 
68 /* Initial number of frames to skip to avoid possible garbage */
69 #define OV5670_NUM_OF_SKIP_FRAMES	2
70 
71 struct ov5670_reg {
72 	u16 address;
73 	u8 val;
74 };
75 
76 struct ov5670_reg_list {
77 	u32 num_of_regs;
78 	const struct ov5670_reg *regs;
79 };
80 
81 struct ov5670_link_freq_config {
82 	u32 pixel_rate;
83 	const struct ov5670_reg_list reg_list;
84 };
85 
86 struct ov5670_mode {
87 	/* Frame width in pixels */
88 	u32 width;
89 
90 	/* Frame height in pixels */
91 	u32 height;
92 
93 	/* Default vertical timining size */
94 	u32 vts_def;
95 
96 	/* Min vertical timining size */
97 	u32 vts_min;
98 
99 	/* Link frequency needed for this resolution */
100 	u32 link_freq_index;
101 
102 	/* Sensor register settings for this resolution */
103 	const struct ov5670_reg_list reg_list;
104 };
105 
106 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
107 	{0x0300, 0x04},
108 	{0x0301, 0x00},
109 	{0x0302, 0x84},
110 	{0x0303, 0x00},
111 	{0x0304, 0x03},
112 	{0x0305, 0x01},
113 	{0x0306, 0x01},
114 	{0x030a, 0x00},
115 	{0x030b, 0x00},
116 	{0x030c, 0x00},
117 	{0x030d, 0x26},
118 	{0x030e, 0x00},
119 	{0x030f, 0x06},
120 	{0x0312, 0x01},
121 	{0x3031, 0x0a},
122 };
123 
124 static const struct ov5670_reg mode_2592x1944_regs[] = {
125 	{0x3000, 0x00},
126 	{0x3002, 0x21},
127 	{0x3005, 0xf0},
128 	{0x3007, 0x00},
129 	{0x3015, 0x0f},
130 	{0x3018, 0x32},
131 	{0x301a, 0xf0},
132 	{0x301b, 0xf0},
133 	{0x301c, 0xf0},
134 	{0x301d, 0xf0},
135 	{0x301e, 0xf0},
136 	{0x3030, 0x00},
137 	{0x3031, 0x0a},
138 	{0x303c, 0xff},
139 	{0x303e, 0xff},
140 	{0x3040, 0xf0},
141 	{0x3041, 0x00},
142 	{0x3042, 0xf0},
143 	{0x3106, 0x11},
144 	{0x3500, 0x00},
145 	{0x3501, 0x80},
146 	{0x3502, 0x00},
147 	{0x3503, 0x04},
148 	{0x3504, 0x03},
149 	{0x3505, 0x83},
150 	{0x3508, 0x04},
151 	{0x3509, 0x00},
152 	{0x350e, 0x04},
153 	{0x350f, 0x00},
154 	{0x3510, 0x00},
155 	{0x3511, 0x02},
156 	{0x3512, 0x00},
157 	{0x3601, 0xc8},
158 	{0x3610, 0x88},
159 	{0x3612, 0x48},
160 	{0x3614, 0x5b},
161 	{0x3615, 0x96},
162 	{0x3621, 0xd0},
163 	{0x3622, 0x00},
164 	{0x3623, 0x00},
165 	{0x3633, 0x13},
166 	{0x3634, 0x13},
167 	{0x3635, 0x13},
168 	{0x3636, 0x13},
169 	{0x3645, 0x13},
170 	{0x3646, 0x82},
171 	{0x3650, 0x00},
172 	{0x3652, 0xff},
173 	{0x3655, 0x20},
174 	{0x3656, 0xff},
175 	{0x365a, 0xff},
176 	{0x365e, 0xff},
177 	{0x3668, 0x00},
178 	{0x366a, 0x07},
179 	{0x366e, 0x10},
180 	{0x366d, 0x00},
181 	{0x366f, 0x80},
182 	{0x3700, 0x28},
183 	{0x3701, 0x10},
184 	{0x3702, 0x3a},
185 	{0x3703, 0x19},
186 	{0x3704, 0x10},
187 	{0x3705, 0x00},
188 	{0x3706, 0x66},
189 	{0x3707, 0x08},
190 	{0x3708, 0x34},
191 	{0x3709, 0x40},
192 	{0x370a, 0x01},
193 	{0x370b, 0x1b},
194 	{0x3714, 0x24},
195 	{0x371a, 0x3e},
196 	{0x3733, 0x00},
197 	{0x3734, 0x00},
198 	{0x373a, 0x05},
199 	{0x373b, 0x06},
200 	{0x373c, 0x0a},
201 	{0x373f, 0xa0},
202 	{0x3755, 0x00},
203 	{0x3758, 0x00},
204 	{0x375b, 0x0e},
205 	{0x3766, 0x5f},
206 	{0x3768, 0x00},
207 	{0x3769, 0x22},
208 	{0x3773, 0x08},
209 	{0x3774, 0x1f},
210 	{0x3776, 0x06},
211 	{0x37a0, 0x88},
212 	{0x37a1, 0x5c},
213 	{0x37a7, 0x88},
214 	{0x37a8, 0x70},
215 	{0x37aa, 0x88},
216 	{0x37ab, 0x48},
217 	{0x37b3, 0x66},
218 	{0x37c2, 0x04},
219 	{0x37c5, 0x00},
220 	{0x37c8, 0x00},
221 	{0x3800, 0x00},
222 	{0x3801, 0x0c},
223 	{0x3802, 0x00},
224 	{0x3803, 0x04},
225 	{0x3804, 0x0a},
226 	{0x3805, 0x33},
227 	{0x3806, 0x07},
228 	{0x3807, 0xa3},
229 	{0x3808, 0x0a},
230 	{0x3809, 0x20},
231 	{0x380a, 0x07},
232 	{0x380b, 0x98},
233 	{0x380c, 0x06},
234 	{0x380d, 0x90},
235 	{0x380e, 0x08},
236 	{0x380f, 0x08},
237 	{0x3811, 0x04},
238 	{0x3813, 0x02},
239 	{0x3814, 0x01},
240 	{0x3815, 0x01},
241 	{0x3816, 0x00},
242 	{0x3817, 0x00},
243 	{0x3818, 0x00},
244 	{0x3819, 0x00},
245 	{0x3820, 0x84},
246 	{0x3821, 0x46},
247 	{0x3822, 0x48},
248 	{0x3826, 0x00},
249 	{0x3827, 0x08},
250 	{0x382a, 0x01},
251 	{0x382b, 0x01},
252 	{0x3830, 0x08},
253 	{0x3836, 0x02},
254 	{0x3837, 0x00},
255 	{0x3838, 0x10},
256 	{0x3841, 0xff},
257 	{0x3846, 0x48},
258 	{0x3861, 0x00},
259 	{0x3862, 0x04},
260 	{0x3863, 0x06},
261 	{0x3a11, 0x01},
262 	{0x3a12, 0x78},
263 	{0x3b00, 0x00},
264 	{0x3b02, 0x00},
265 	{0x3b03, 0x00},
266 	{0x3b04, 0x00},
267 	{0x3b05, 0x00},
268 	{0x3c00, 0x89},
269 	{0x3c01, 0xab},
270 	{0x3c02, 0x01},
271 	{0x3c03, 0x00},
272 	{0x3c04, 0x00},
273 	{0x3c05, 0x03},
274 	{0x3c06, 0x00},
275 	{0x3c07, 0x05},
276 	{0x3c0c, 0x00},
277 	{0x3c0d, 0x00},
278 	{0x3c0e, 0x00},
279 	{0x3c0f, 0x00},
280 	{0x3c40, 0x00},
281 	{0x3c41, 0xa3},
282 	{0x3c43, 0x7d},
283 	{0x3c45, 0xd7},
284 	{0x3c47, 0xfc},
285 	{0x3c50, 0x05},
286 	{0x3c52, 0xaa},
287 	{0x3c54, 0x71},
288 	{0x3c56, 0x80},
289 	{0x3d85, 0x17},
290 	{0x3f03, 0x00},
291 	{0x3f0a, 0x00},
292 	{0x3f0b, 0x00},
293 	{0x4001, 0x60},
294 	{0x4009, 0x0d},
295 	{0x4020, 0x00},
296 	{0x4021, 0x00},
297 	{0x4022, 0x00},
298 	{0x4023, 0x00},
299 	{0x4024, 0x00},
300 	{0x4025, 0x00},
301 	{0x4026, 0x00},
302 	{0x4027, 0x00},
303 	{0x4028, 0x00},
304 	{0x4029, 0x00},
305 	{0x402a, 0x00},
306 	{0x402b, 0x00},
307 	{0x402c, 0x00},
308 	{0x402d, 0x00},
309 	{0x402e, 0x00},
310 	{0x402f, 0x00},
311 	{0x4040, 0x00},
312 	{0x4041, 0x03},
313 	{0x4042, 0x00},
314 	{0x4043, 0x7A},
315 	{0x4044, 0x00},
316 	{0x4045, 0x7A},
317 	{0x4046, 0x00},
318 	{0x4047, 0x7A},
319 	{0x4048, 0x00},
320 	{0x4049, 0x7A},
321 	{0x4307, 0x30},
322 	{0x4500, 0x58},
323 	{0x4501, 0x04},
324 	{0x4502, 0x40},
325 	{0x4503, 0x10},
326 	{0x4508, 0xaa},
327 	{0x4509, 0xaa},
328 	{0x450a, 0x00},
329 	{0x450b, 0x00},
330 	{0x4600, 0x01},
331 	{0x4601, 0x03},
332 	{0x4700, 0xa4},
333 	{0x4800, 0x4c},
334 	{0x4816, 0x53},
335 	{0x481f, 0x40},
336 	{0x4837, 0x13},
337 	{0x5000, 0x56},
338 	{0x5001, 0x01},
339 	{0x5002, 0x28},
340 	{0x5004, 0x0c},
341 	{0x5006, 0x0c},
342 	{0x5007, 0xe0},
343 	{0x5008, 0x01},
344 	{0x5009, 0xb0},
345 	{0x5901, 0x00},
346 	{0x5a01, 0x00},
347 	{0x5a03, 0x00},
348 	{0x5a04, 0x0c},
349 	{0x5a05, 0xe0},
350 	{0x5a06, 0x09},
351 	{0x5a07, 0xb0},
352 	{0x5a08, 0x06},
353 	{0x5e00, 0x00},
354 	{0x3734, 0x40},
355 	{0x5b00, 0x01},
356 	{0x5b01, 0x10},
357 	{0x5b02, 0x01},
358 	{0x5b03, 0xdb},
359 	{0x3d8c, 0x71},
360 	{0x3d8d, 0xea},
361 	{0x4017, 0x08},
362 	{0x3618, 0x2a},
363 	{0x5780, 0x3e},
364 	{0x5781, 0x0f},
365 	{0x5782, 0x44},
366 	{0x5783, 0x02},
367 	{0x5784, 0x01},
368 	{0x5785, 0x01},
369 	{0x5786, 0x00},
370 	{0x5787, 0x04},
371 	{0x5788, 0x02},
372 	{0x5789, 0x0f},
373 	{0x578a, 0xfd},
374 	{0x578b, 0xf5},
375 	{0x578c, 0xf5},
376 	{0x578d, 0x03},
377 	{0x578e, 0x08},
378 	{0x578f, 0x0c},
379 	{0x5790, 0x08},
380 	{0x5791, 0x06},
381 	{0x5792, 0x00},
382 	{0x5793, 0x52},
383 	{0x5794, 0xa3},
384 	{0x3503, 0x00},
385 	{0x5045, 0x05},
386 	{0x4003, 0x40},
387 	{0x5048, 0x40}
388 };
389 
390 static const struct ov5670_reg mode_1296x972_regs[] = {
391 	{0x3000, 0x00},
392 	{0x3002, 0x21},
393 	{0x3005, 0xf0},
394 	{0x3007, 0x00},
395 	{0x3015, 0x0f},
396 	{0x3018, 0x32},
397 	{0x301a, 0xf0},
398 	{0x301b, 0xf0},
399 	{0x301c, 0xf0},
400 	{0x301d, 0xf0},
401 	{0x301e, 0xf0},
402 	{0x3030, 0x00},
403 	{0x3031, 0x0a},
404 	{0x303c, 0xff},
405 	{0x303e, 0xff},
406 	{0x3040, 0xf0},
407 	{0x3041, 0x00},
408 	{0x3042, 0xf0},
409 	{0x3106, 0x11},
410 	{0x3500, 0x00},
411 	{0x3501, 0x80},
412 	{0x3502, 0x00},
413 	{0x3503, 0x04},
414 	{0x3504, 0x03},
415 	{0x3505, 0x83},
416 	{0x3508, 0x07},
417 	{0x3509, 0x80},
418 	{0x350e, 0x04},
419 	{0x350f, 0x00},
420 	{0x3510, 0x00},
421 	{0x3511, 0x02},
422 	{0x3512, 0x00},
423 	{0x3601, 0xc8},
424 	{0x3610, 0x88},
425 	{0x3612, 0x48},
426 	{0x3614, 0x5b},
427 	{0x3615, 0x96},
428 	{0x3621, 0xd0},
429 	{0x3622, 0x00},
430 	{0x3623, 0x00},
431 	{0x3633, 0x13},
432 	{0x3634, 0x13},
433 	{0x3635, 0x13},
434 	{0x3636, 0x13},
435 	{0x3645, 0x13},
436 	{0x3646, 0x82},
437 	{0x3650, 0x00},
438 	{0x3652, 0xff},
439 	{0x3655, 0x20},
440 	{0x3656, 0xff},
441 	{0x365a, 0xff},
442 	{0x365e, 0xff},
443 	{0x3668, 0x00},
444 	{0x366a, 0x07},
445 	{0x366e, 0x08},
446 	{0x366d, 0x00},
447 	{0x366f, 0x80},
448 	{0x3700, 0x28},
449 	{0x3701, 0x10},
450 	{0x3702, 0x3a},
451 	{0x3703, 0x19},
452 	{0x3704, 0x10},
453 	{0x3705, 0x00},
454 	{0x3706, 0x66},
455 	{0x3707, 0x08},
456 	{0x3708, 0x34},
457 	{0x3709, 0x40},
458 	{0x370a, 0x01},
459 	{0x370b, 0x1b},
460 	{0x3714, 0x24},
461 	{0x371a, 0x3e},
462 	{0x3733, 0x00},
463 	{0x3734, 0x00},
464 	{0x373a, 0x05},
465 	{0x373b, 0x06},
466 	{0x373c, 0x0a},
467 	{0x373f, 0xa0},
468 	{0x3755, 0x00},
469 	{0x3758, 0x00},
470 	{0x375b, 0x0e},
471 	{0x3766, 0x5f},
472 	{0x3768, 0x00},
473 	{0x3769, 0x22},
474 	{0x3773, 0x08},
475 	{0x3774, 0x1f},
476 	{0x3776, 0x06},
477 	{0x37a0, 0x88},
478 	{0x37a1, 0x5c},
479 	{0x37a7, 0x88},
480 	{0x37a8, 0x70},
481 	{0x37aa, 0x88},
482 	{0x37ab, 0x48},
483 	{0x37b3, 0x66},
484 	{0x37c2, 0x04},
485 	{0x37c5, 0x00},
486 	{0x37c8, 0x00},
487 	{0x3800, 0x00},
488 	{0x3801, 0x0c},
489 	{0x3802, 0x00},
490 	{0x3803, 0x04},
491 	{0x3804, 0x0a},
492 	{0x3805, 0x33},
493 	{0x3806, 0x07},
494 	{0x3807, 0xa3},
495 	{0x3808, 0x05},
496 	{0x3809, 0x10},
497 	{0x380a, 0x03},
498 	{0x380b, 0xcc},
499 	{0x380c, 0x06},
500 	{0x380d, 0x90},
501 	{0x380e, 0x08},
502 	{0x380f, 0x08},
503 	{0x3811, 0x04},
504 	{0x3813, 0x04},
505 	{0x3814, 0x03},
506 	{0x3815, 0x01},
507 	{0x3816, 0x00},
508 	{0x3817, 0x00},
509 	{0x3818, 0x00},
510 	{0x3819, 0x00},
511 	{0x3820, 0x94},
512 	{0x3821, 0x47},
513 	{0x3822, 0x48},
514 	{0x3826, 0x00},
515 	{0x3827, 0x08},
516 	{0x382a, 0x03},
517 	{0x382b, 0x01},
518 	{0x3830, 0x08},
519 	{0x3836, 0x02},
520 	{0x3837, 0x00},
521 	{0x3838, 0x10},
522 	{0x3841, 0xff},
523 	{0x3846, 0x48},
524 	{0x3861, 0x00},
525 	{0x3862, 0x04},
526 	{0x3863, 0x06},
527 	{0x3a11, 0x01},
528 	{0x3a12, 0x78},
529 	{0x3b00, 0x00},
530 	{0x3b02, 0x00},
531 	{0x3b03, 0x00},
532 	{0x3b04, 0x00},
533 	{0x3b05, 0x00},
534 	{0x3c00, 0x89},
535 	{0x3c01, 0xab},
536 	{0x3c02, 0x01},
537 	{0x3c03, 0x00},
538 	{0x3c04, 0x00},
539 	{0x3c05, 0x03},
540 	{0x3c06, 0x00},
541 	{0x3c07, 0x05},
542 	{0x3c0c, 0x00},
543 	{0x3c0d, 0x00},
544 	{0x3c0e, 0x00},
545 	{0x3c0f, 0x00},
546 	{0x3c40, 0x00},
547 	{0x3c41, 0xa3},
548 	{0x3c43, 0x7d},
549 	{0x3c45, 0xd7},
550 	{0x3c47, 0xfc},
551 	{0x3c50, 0x05},
552 	{0x3c52, 0xaa},
553 	{0x3c54, 0x71},
554 	{0x3c56, 0x80},
555 	{0x3d85, 0x17},
556 	{0x3f03, 0x00},
557 	{0x3f0a, 0x00},
558 	{0x3f0b, 0x00},
559 	{0x4001, 0x60},
560 	{0x4009, 0x05},
561 	{0x4020, 0x00},
562 	{0x4021, 0x00},
563 	{0x4022, 0x00},
564 	{0x4023, 0x00},
565 	{0x4024, 0x00},
566 	{0x4025, 0x00},
567 	{0x4026, 0x00},
568 	{0x4027, 0x00},
569 	{0x4028, 0x00},
570 	{0x4029, 0x00},
571 	{0x402a, 0x00},
572 	{0x402b, 0x00},
573 	{0x402c, 0x00},
574 	{0x402d, 0x00},
575 	{0x402e, 0x00},
576 	{0x402f, 0x00},
577 	{0x4040, 0x00},
578 	{0x4041, 0x03},
579 	{0x4042, 0x00},
580 	{0x4043, 0x7A},
581 	{0x4044, 0x00},
582 	{0x4045, 0x7A},
583 	{0x4046, 0x00},
584 	{0x4047, 0x7A},
585 	{0x4048, 0x00},
586 	{0x4049, 0x7A},
587 	{0x4307, 0x30},
588 	{0x4500, 0x58},
589 	{0x4501, 0x04},
590 	{0x4502, 0x48},
591 	{0x4503, 0x10},
592 	{0x4508, 0x55},
593 	{0x4509, 0x55},
594 	{0x450a, 0x00},
595 	{0x450b, 0x00},
596 	{0x4600, 0x00},
597 	{0x4601, 0x81},
598 	{0x4700, 0xa4},
599 	{0x4800, 0x4c},
600 	{0x4816, 0x53},
601 	{0x481f, 0x40},
602 	{0x4837, 0x13},
603 	{0x5000, 0x56},
604 	{0x5001, 0x01},
605 	{0x5002, 0x28},
606 	{0x5004, 0x0c},
607 	{0x5006, 0x0c},
608 	{0x5007, 0xe0},
609 	{0x5008, 0x01},
610 	{0x5009, 0xb0},
611 	{0x5901, 0x00},
612 	{0x5a01, 0x00},
613 	{0x5a03, 0x00},
614 	{0x5a04, 0x0c},
615 	{0x5a05, 0xe0},
616 	{0x5a06, 0x09},
617 	{0x5a07, 0xb0},
618 	{0x5a08, 0x06},
619 	{0x5e00, 0x00},
620 	{0x3734, 0x40},
621 	{0x5b00, 0x01},
622 	{0x5b01, 0x10},
623 	{0x5b02, 0x01},
624 	{0x5b03, 0xdb},
625 	{0x3d8c, 0x71},
626 	{0x3d8d, 0xea},
627 	{0x4017, 0x10},
628 	{0x3618, 0x2a},
629 	{0x5780, 0x3e},
630 	{0x5781, 0x0f},
631 	{0x5782, 0x44},
632 	{0x5783, 0x02},
633 	{0x5784, 0x01},
634 	{0x5785, 0x01},
635 	{0x5786, 0x00},
636 	{0x5787, 0x04},
637 	{0x5788, 0x02},
638 	{0x5789, 0x0f},
639 	{0x578a, 0xfd},
640 	{0x578b, 0xf5},
641 	{0x578c, 0xf5},
642 	{0x578d, 0x03},
643 	{0x578e, 0x08},
644 	{0x578f, 0x0c},
645 	{0x5790, 0x08},
646 	{0x5791, 0x04},
647 	{0x5792, 0x00},
648 	{0x5793, 0x52},
649 	{0x5794, 0xa3},
650 	{0x3503, 0x00},
651 	{0x5045, 0x05},
652 	{0x4003, 0x40},
653 	{0x5048, 0x40}
654 };
655 
656 static const struct ov5670_reg mode_648x486_regs[] = {
657 	{0x3000, 0x00},
658 	{0x3002, 0x21},
659 	{0x3005, 0xf0},
660 	{0x3007, 0x00},
661 	{0x3015, 0x0f},
662 	{0x3018, 0x32},
663 	{0x301a, 0xf0},
664 	{0x301b, 0xf0},
665 	{0x301c, 0xf0},
666 	{0x301d, 0xf0},
667 	{0x301e, 0xf0},
668 	{0x3030, 0x00},
669 	{0x3031, 0x0a},
670 	{0x303c, 0xff},
671 	{0x303e, 0xff},
672 	{0x3040, 0xf0},
673 	{0x3041, 0x00},
674 	{0x3042, 0xf0},
675 	{0x3106, 0x11},
676 	{0x3500, 0x00},
677 	{0x3501, 0x80},
678 	{0x3502, 0x00},
679 	{0x3503, 0x04},
680 	{0x3504, 0x03},
681 	{0x3505, 0x83},
682 	{0x3508, 0x04},
683 	{0x3509, 0x00},
684 	{0x350e, 0x04},
685 	{0x350f, 0x00},
686 	{0x3510, 0x00},
687 	{0x3511, 0x02},
688 	{0x3512, 0x00},
689 	{0x3601, 0xc8},
690 	{0x3610, 0x88},
691 	{0x3612, 0x48},
692 	{0x3614, 0x5b},
693 	{0x3615, 0x96},
694 	{0x3621, 0xd0},
695 	{0x3622, 0x00},
696 	{0x3623, 0x04},
697 	{0x3633, 0x13},
698 	{0x3634, 0x13},
699 	{0x3635, 0x13},
700 	{0x3636, 0x13},
701 	{0x3645, 0x13},
702 	{0x3646, 0x82},
703 	{0x3650, 0x00},
704 	{0x3652, 0xff},
705 	{0x3655, 0x20},
706 	{0x3656, 0xff},
707 	{0x365a, 0xff},
708 	{0x365e, 0xff},
709 	{0x3668, 0x00},
710 	{0x366a, 0x07},
711 	{0x366e, 0x08},
712 	{0x366d, 0x00},
713 	{0x366f, 0x80},
714 	{0x3700, 0x28},
715 	{0x3701, 0x10},
716 	{0x3702, 0x3a},
717 	{0x3703, 0x19},
718 	{0x3704, 0x10},
719 	{0x3705, 0x00},
720 	{0x3706, 0x66},
721 	{0x3707, 0x08},
722 	{0x3708, 0x34},
723 	{0x3709, 0x40},
724 	{0x370a, 0x01},
725 	{0x370b, 0x1b},
726 	{0x3714, 0x24},
727 	{0x371a, 0x3e},
728 	{0x3733, 0x00},
729 	{0x3734, 0x00},
730 	{0x373a, 0x05},
731 	{0x373b, 0x06},
732 	{0x373c, 0x0a},
733 	{0x373f, 0xa0},
734 	{0x3755, 0x00},
735 	{0x3758, 0x00},
736 	{0x375b, 0x0e},
737 	{0x3766, 0x5f},
738 	{0x3768, 0x00},
739 	{0x3769, 0x22},
740 	{0x3773, 0x08},
741 	{0x3774, 0x1f},
742 	{0x3776, 0x06},
743 	{0x37a0, 0x88},
744 	{0x37a1, 0x5c},
745 	{0x37a7, 0x88},
746 	{0x37a8, 0x70},
747 	{0x37aa, 0x88},
748 	{0x37ab, 0x48},
749 	{0x37b3, 0x66},
750 	{0x37c2, 0x04},
751 	{0x37c5, 0x00},
752 	{0x37c8, 0x00},
753 	{0x3800, 0x00},
754 	{0x3801, 0x0c},
755 	{0x3802, 0x00},
756 	{0x3803, 0x04},
757 	{0x3804, 0x0a},
758 	{0x3805, 0x33},
759 	{0x3806, 0x07},
760 	{0x3807, 0xa3},
761 	{0x3808, 0x02},
762 	{0x3809, 0x88},
763 	{0x380a, 0x01},
764 	{0x380b, 0xe6},
765 	{0x380c, 0x06},
766 	{0x380d, 0x90},
767 	{0x380e, 0x08},
768 	{0x380f, 0x08},
769 	{0x3811, 0x04},
770 	{0x3813, 0x02},
771 	{0x3814, 0x07},
772 	{0x3815, 0x01},
773 	{0x3816, 0x00},
774 	{0x3817, 0x00},
775 	{0x3818, 0x00},
776 	{0x3819, 0x00},
777 	{0x3820, 0x94},
778 	{0x3821, 0xc6},
779 	{0x3822, 0x48},
780 	{0x3826, 0x00},
781 	{0x3827, 0x08},
782 	{0x382a, 0x07},
783 	{0x382b, 0x01},
784 	{0x3830, 0x08},
785 	{0x3836, 0x02},
786 	{0x3837, 0x00},
787 	{0x3838, 0x10},
788 	{0x3841, 0xff},
789 	{0x3846, 0x48},
790 	{0x3861, 0x00},
791 	{0x3862, 0x04},
792 	{0x3863, 0x06},
793 	{0x3a11, 0x01},
794 	{0x3a12, 0x78},
795 	{0x3b00, 0x00},
796 	{0x3b02, 0x00},
797 	{0x3b03, 0x00},
798 	{0x3b04, 0x00},
799 	{0x3b05, 0x00},
800 	{0x3c00, 0x89},
801 	{0x3c01, 0xab},
802 	{0x3c02, 0x01},
803 	{0x3c03, 0x00},
804 	{0x3c04, 0x00},
805 	{0x3c05, 0x03},
806 	{0x3c06, 0x00},
807 	{0x3c07, 0x05},
808 	{0x3c0c, 0x00},
809 	{0x3c0d, 0x00},
810 	{0x3c0e, 0x00},
811 	{0x3c0f, 0x00},
812 	{0x3c40, 0x00},
813 	{0x3c41, 0xa3},
814 	{0x3c43, 0x7d},
815 	{0x3c45, 0xd7},
816 	{0x3c47, 0xfc},
817 	{0x3c50, 0x05},
818 	{0x3c52, 0xaa},
819 	{0x3c54, 0x71},
820 	{0x3c56, 0x80},
821 	{0x3d85, 0x17},
822 	{0x3f03, 0x00},
823 	{0x3f0a, 0x00},
824 	{0x3f0b, 0x00},
825 	{0x4001, 0x60},
826 	{0x4009, 0x05},
827 	{0x4020, 0x00},
828 	{0x4021, 0x00},
829 	{0x4022, 0x00},
830 	{0x4023, 0x00},
831 	{0x4024, 0x00},
832 	{0x4025, 0x00},
833 	{0x4026, 0x00},
834 	{0x4027, 0x00},
835 	{0x4028, 0x00},
836 	{0x4029, 0x00},
837 	{0x402a, 0x00},
838 	{0x402b, 0x00},
839 	{0x402c, 0x00},
840 	{0x402d, 0x00},
841 	{0x402e, 0x00},
842 	{0x402f, 0x00},
843 	{0x4040, 0x00},
844 	{0x4041, 0x03},
845 	{0x4042, 0x00},
846 	{0x4043, 0x7A},
847 	{0x4044, 0x00},
848 	{0x4045, 0x7A},
849 	{0x4046, 0x00},
850 	{0x4047, 0x7A},
851 	{0x4048, 0x00},
852 	{0x4049, 0x7A},
853 	{0x4307, 0x30},
854 	{0x4500, 0x58},
855 	{0x4501, 0x04},
856 	{0x4502, 0x40},
857 	{0x4503, 0x10},
858 	{0x4508, 0x55},
859 	{0x4509, 0x55},
860 	{0x450a, 0x02},
861 	{0x450b, 0x00},
862 	{0x4600, 0x00},
863 	{0x4601, 0x40},
864 	{0x4700, 0xa4},
865 	{0x4800, 0x4c},
866 	{0x4816, 0x53},
867 	{0x481f, 0x40},
868 	{0x4837, 0x13},
869 	{0x5000, 0x56},
870 	{0x5001, 0x01},
871 	{0x5002, 0x28},
872 	{0x5004, 0x0c},
873 	{0x5006, 0x0c},
874 	{0x5007, 0xe0},
875 	{0x5008, 0x01},
876 	{0x5009, 0xb0},
877 	{0x5901, 0x00},
878 	{0x5a01, 0x00},
879 	{0x5a03, 0x00},
880 	{0x5a04, 0x0c},
881 	{0x5a05, 0xe0},
882 	{0x5a06, 0x09},
883 	{0x5a07, 0xb0},
884 	{0x5a08, 0x06},
885 	{0x5e00, 0x00},
886 	{0x3734, 0x40},
887 	{0x5b00, 0x01},
888 	{0x5b01, 0x10},
889 	{0x5b02, 0x01},
890 	{0x5b03, 0xdb},
891 	{0x3d8c, 0x71},
892 	{0x3d8d, 0xea},
893 	{0x4017, 0x10},
894 	{0x3618, 0x2a},
895 	{0x5780, 0x3e},
896 	{0x5781, 0x0f},
897 	{0x5782, 0x44},
898 	{0x5783, 0x02},
899 	{0x5784, 0x01},
900 	{0x5785, 0x01},
901 	{0x5786, 0x00},
902 	{0x5787, 0x04},
903 	{0x5788, 0x02},
904 	{0x5789, 0x0f},
905 	{0x578a, 0xfd},
906 	{0x578b, 0xf5},
907 	{0x578c, 0xf5},
908 	{0x578d, 0x03},
909 	{0x578e, 0x08},
910 	{0x578f, 0x0c},
911 	{0x5790, 0x08},
912 	{0x5791, 0x06},
913 	{0x5792, 0x00},
914 	{0x5793, 0x52},
915 	{0x5794, 0xa3},
916 	{0x3503, 0x00},
917 	{0x5045, 0x05},
918 	{0x4003, 0x40},
919 	{0x5048, 0x40}
920 };
921 
922 static const struct ov5670_reg mode_2560x1440_regs[] = {
923 	{0x3000, 0x00},
924 	{0x3002, 0x21},
925 	{0x3005, 0xf0},
926 	{0x3007, 0x00},
927 	{0x3015, 0x0f},
928 	{0x3018, 0x32},
929 	{0x301a, 0xf0},
930 	{0x301b, 0xf0},
931 	{0x301c, 0xf0},
932 	{0x301d, 0xf0},
933 	{0x301e, 0xf0},
934 	{0x3030, 0x00},
935 	{0x3031, 0x0a},
936 	{0x303c, 0xff},
937 	{0x303e, 0xff},
938 	{0x3040, 0xf0},
939 	{0x3041, 0x00},
940 	{0x3042, 0xf0},
941 	{0x3106, 0x11},
942 	{0x3500, 0x00},
943 	{0x3501, 0x80},
944 	{0x3502, 0x00},
945 	{0x3503, 0x04},
946 	{0x3504, 0x03},
947 	{0x3505, 0x83},
948 	{0x3508, 0x04},
949 	{0x3509, 0x00},
950 	{0x350e, 0x04},
951 	{0x350f, 0x00},
952 	{0x3510, 0x00},
953 	{0x3511, 0x02},
954 	{0x3512, 0x00},
955 	{0x3601, 0xc8},
956 	{0x3610, 0x88},
957 	{0x3612, 0x48},
958 	{0x3614, 0x5b},
959 	{0x3615, 0x96},
960 	{0x3621, 0xd0},
961 	{0x3622, 0x00},
962 	{0x3623, 0x00},
963 	{0x3633, 0x13},
964 	{0x3634, 0x13},
965 	{0x3635, 0x13},
966 	{0x3636, 0x13},
967 	{0x3645, 0x13},
968 	{0x3646, 0x82},
969 	{0x3650, 0x00},
970 	{0x3652, 0xff},
971 	{0x3655, 0x20},
972 	{0x3656, 0xff},
973 	{0x365a, 0xff},
974 	{0x365e, 0xff},
975 	{0x3668, 0x00},
976 	{0x366a, 0x07},
977 	{0x366e, 0x10},
978 	{0x366d, 0x00},
979 	{0x366f, 0x80},
980 	{0x3700, 0x28},
981 	{0x3701, 0x10},
982 	{0x3702, 0x3a},
983 	{0x3703, 0x19},
984 	{0x3704, 0x10},
985 	{0x3705, 0x00},
986 	{0x3706, 0x66},
987 	{0x3707, 0x08},
988 	{0x3708, 0x34},
989 	{0x3709, 0x40},
990 	{0x370a, 0x01},
991 	{0x370b, 0x1b},
992 	{0x3714, 0x24},
993 	{0x371a, 0x3e},
994 	{0x3733, 0x00},
995 	{0x3734, 0x00},
996 	{0x373a, 0x05},
997 	{0x373b, 0x06},
998 	{0x373c, 0x0a},
999 	{0x373f, 0xa0},
1000 	{0x3755, 0x00},
1001 	{0x3758, 0x00},
1002 	{0x375b, 0x0e},
1003 	{0x3766, 0x5f},
1004 	{0x3768, 0x00},
1005 	{0x3769, 0x22},
1006 	{0x3773, 0x08},
1007 	{0x3774, 0x1f},
1008 	{0x3776, 0x06},
1009 	{0x37a0, 0x88},
1010 	{0x37a1, 0x5c},
1011 	{0x37a7, 0x88},
1012 	{0x37a8, 0x70},
1013 	{0x37aa, 0x88},
1014 	{0x37ab, 0x48},
1015 	{0x37b3, 0x66},
1016 	{0x37c2, 0x04},
1017 	{0x37c5, 0x00},
1018 	{0x37c8, 0x00},
1019 	{0x3800, 0x00},
1020 	{0x3801, 0x0c},
1021 	{0x3802, 0x00},
1022 	{0x3803, 0x04},
1023 	{0x3804, 0x0a},
1024 	{0x3805, 0x33},
1025 	{0x3806, 0x07},
1026 	{0x3807, 0xa3},
1027 	{0x3808, 0x0a},
1028 	{0x3809, 0x00},
1029 	{0x380a, 0x05},
1030 	{0x380b, 0xa0},
1031 	{0x380c, 0x06},
1032 	{0x380d, 0x90},
1033 	{0x380e, 0x08},
1034 	{0x380f, 0x08},
1035 	{0x3811, 0x04},
1036 	{0x3813, 0x02},
1037 	{0x3814, 0x01},
1038 	{0x3815, 0x01},
1039 	{0x3816, 0x00},
1040 	{0x3817, 0x00},
1041 	{0x3818, 0x00},
1042 	{0x3819, 0x00},
1043 	{0x3820, 0x84},
1044 	{0x3821, 0x46},
1045 	{0x3822, 0x48},
1046 	{0x3826, 0x00},
1047 	{0x3827, 0x08},
1048 	{0x382a, 0x01},
1049 	{0x382b, 0x01},
1050 	{0x3830, 0x08},
1051 	{0x3836, 0x02},
1052 	{0x3837, 0x00},
1053 	{0x3838, 0x10},
1054 	{0x3841, 0xff},
1055 	{0x3846, 0x48},
1056 	{0x3861, 0x00},
1057 	{0x3862, 0x04},
1058 	{0x3863, 0x06},
1059 	{0x3a11, 0x01},
1060 	{0x3a12, 0x78},
1061 	{0x3b00, 0x00},
1062 	{0x3b02, 0x00},
1063 	{0x3b03, 0x00},
1064 	{0x3b04, 0x00},
1065 	{0x3b05, 0x00},
1066 	{0x3c00, 0x89},
1067 	{0x3c01, 0xab},
1068 	{0x3c02, 0x01},
1069 	{0x3c03, 0x00},
1070 	{0x3c04, 0x00},
1071 	{0x3c05, 0x03},
1072 	{0x3c06, 0x00},
1073 	{0x3c07, 0x05},
1074 	{0x3c0c, 0x00},
1075 	{0x3c0d, 0x00},
1076 	{0x3c0e, 0x00},
1077 	{0x3c0f, 0x00},
1078 	{0x3c40, 0x00},
1079 	{0x3c41, 0xa3},
1080 	{0x3c43, 0x7d},
1081 	{0x3c45, 0xd7},
1082 	{0x3c47, 0xfc},
1083 	{0x3c50, 0x05},
1084 	{0x3c52, 0xaa},
1085 	{0x3c54, 0x71},
1086 	{0x3c56, 0x80},
1087 	{0x3d85, 0x17},
1088 	{0x3f03, 0x00},
1089 	{0x3f0a, 0x00},
1090 	{0x3f0b, 0x00},
1091 	{0x4001, 0x60},
1092 	{0x4009, 0x0d},
1093 	{0x4020, 0x00},
1094 	{0x4021, 0x00},
1095 	{0x4022, 0x00},
1096 	{0x4023, 0x00},
1097 	{0x4024, 0x00},
1098 	{0x4025, 0x00},
1099 	{0x4026, 0x00},
1100 	{0x4027, 0x00},
1101 	{0x4028, 0x00},
1102 	{0x4029, 0x00},
1103 	{0x402a, 0x00},
1104 	{0x402b, 0x00},
1105 	{0x402c, 0x00},
1106 	{0x402d, 0x00},
1107 	{0x402e, 0x00},
1108 	{0x402f, 0x00},
1109 	{0x4040, 0x00},
1110 	{0x4041, 0x03},
1111 	{0x4042, 0x00},
1112 	{0x4043, 0x7A},
1113 	{0x4044, 0x00},
1114 	{0x4045, 0x7A},
1115 	{0x4046, 0x00},
1116 	{0x4047, 0x7A},
1117 	{0x4048, 0x00},
1118 	{0x4049, 0x7A},
1119 	{0x4307, 0x30},
1120 	{0x4500, 0x58},
1121 	{0x4501, 0x04},
1122 	{0x4502, 0x40},
1123 	{0x4503, 0x10},
1124 	{0x4508, 0xaa},
1125 	{0x4509, 0xaa},
1126 	{0x450a, 0x00},
1127 	{0x450b, 0x00},
1128 	{0x4600, 0x01},
1129 	{0x4601, 0x00},
1130 	{0x4700, 0xa4},
1131 	{0x4800, 0x4c},
1132 	{0x4816, 0x53},
1133 	{0x481f, 0x40},
1134 	{0x4837, 0x13},
1135 	{0x5000, 0x56},
1136 	{0x5001, 0x01},
1137 	{0x5002, 0x28},
1138 	{0x5004, 0x0c},
1139 	{0x5006, 0x0c},
1140 	{0x5007, 0xe0},
1141 	{0x5008, 0x01},
1142 	{0x5009, 0xb0},
1143 	{0x5901, 0x00},
1144 	{0x5a01, 0x00},
1145 	{0x5a03, 0x00},
1146 	{0x5a04, 0x0c},
1147 	{0x5a05, 0xe0},
1148 	{0x5a06, 0x09},
1149 	{0x5a07, 0xb0},
1150 	{0x5a08, 0x06},
1151 	{0x5e00, 0x00},
1152 	{0x3734, 0x40},
1153 	{0x5b00, 0x01},
1154 	{0x5b01, 0x10},
1155 	{0x5b02, 0x01},
1156 	{0x5b03, 0xdb},
1157 	{0x3d8c, 0x71},
1158 	{0x3d8d, 0xea},
1159 	{0x4017, 0x08},
1160 	{0x3618, 0x2a},
1161 	{0x5780, 0x3e},
1162 	{0x5781, 0x0f},
1163 	{0x5782, 0x44},
1164 	{0x5783, 0x02},
1165 	{0x5784, 0x01},
1166 	{0x5785, 0x01},
1167 	{0x5786, 0x00},
1168 	{0x5787, 0x04},
1169 	{0x5788, 0x02},
1170 	{0x5789, 0x0f},
1171 	{0x578a, 0xfd},
1172 	{0x578b, 0xf5},
1173 	{0x578c, 0xf5},
1174 	{0x578d, 0x03},
1175 	{0x578e, 0x08},
1176 	{0x578f, 0x0c},
1177 	{0x5790, 0x08},
1178 	{0x5791, 0x06},
1179 	{0x5792, 0x00},
1180 	{0x5793, 0x52},
1181 	{0x5794, 0xa3},
1182 	{0x5045, 0x05},
1183 	{0x4003, 0x40},
1184 	{0x5048, 0x40}
1185 };
1186 
1187 static const struct ov5670_reg mode_1280x720_regs[] = {
1188 	{0x3000, 0x00},
1189 	{0x3002, 0x21},
1190 	{0x3005, 0xf0},
1191 	{0x3007, 0x00},
1192 	{0x3015, 0x0f},
1193 	{0x3018, 0x32},
1194 	{0x301a, 0xf0},
1195 	{0x301b, 0xf0},
1196 	{0x301c, 0xf0},
1197 	{0x301d, 0xf0},
1198 	{0x301e, 0xf0},
1199 	{0x3030, 0x00},
1200 	{0x3031, 0x0a},
1201 	{0x303c, 0xff},
1202 	{0x303e, 0xff},
1203 	{0x3040, 0xf0},
1204 	{0x3041, 0x00},
1205 	{0x3042, 0xf0},
1206 	{0x3106, 0x11},
1207 	{0x3500, 0x00},
1208 	{0x3501, 0x80},
1209 	{0x3502, 0x00},
1210 	{0x3503, 0x04},
1211 	{0x3504, 0x03},
1212 	{0x3505, 0x83},
1213 	{0x3508, 0x04},
1214 	{0x3509, 0x00},
1215 	{0x350e, 0x04},
1216 	{0x350f, 0x00},
1217 	{0x3510, 0x00},
1218 	{0x3511, 0x02},
1219 	{0x3512, 0x00},
1220 	{0x3601, 0xc8},
1221 	{0x3610, 0x88},
1222 	{0x3612, 0x48},
1223 	{0x3614, 0x5b},
1224 	{0x3615, 0x96},
1225 	{0x3621, 0xd0},
1226 	{0x3622, 0x00},
1227 	{0x3623, 0x00},
1228 	{0x3633, 0x13},
1229 	{0x3634, 0x13},
1230 	{0x3635, 0x13},
1231 	{0x3636, 0x13},
1232 	{0x3645, 0x13},
1233 	{0x3646, 0x82},
1234 	{0x3650, 0x00},
1235 	{0x3652, 0xff},
1236 	{0x3655, 0x20},
1237 	{0x3656, 0xff},
1238 	{0x365a, 0xff},
1239 	{0x365e, 0xff},
1240 	{0x3668, 0x00},
1241 	{0x366a, 0x07},
1242 	{0x366e, 0x08},
1243 	{0x366d, 0x00},
1244 	{0x366f, 0x80},
1245 	{0x3700, 0x28},
1246 	{0x3701, 0x10},
1247 	{0x3702, 0x3a},
1248 	{0x3703, 0x19},
1249 	{0x3704, 0x10},
1250 	{0x3705, 0x00},
1251 	{0x3706, 0x66},
1252 	{0x3707, 0x08},
1253 	{0x3708, 0x34},
1254 	{0x3709, 0x40},
1255 	{0x370a, 0x01},
1256 	{0x370b, 0x1b},
1257 	{0x3714, 0x24},
1258 	{0x371a, 0x3e},
1259 	{0x3733, 0x00},
1260 	{0x3734, 0x00},
1261 	{0x373a, 0x05},
1262 	{0x373b, 0x06},
1263 	{0x373c, 0x0a},
1264 	{0x373f, 0xa0},
1265 	{0x3755, 0x00},
1266 	{0x3758, 0x00},
1267 	{0x375b, 0x0e},
1268 	{0x3766, 0x5f},
1269 	{0x3768, 0x00},
1270 	{0x3769, 0x22},
1271 	{0x3773, 0x08},
1272 	{0x3774, 0x1f},
1273 	{0x3776, 0x06},
1274 	{0x37a0, 0x88},
1275 	{0x37a1, 0x5c},
1276 	{0x37a7, 0x88},
1277 	{0x37a8, 0x70},
1278 	{0x37aa, 0x88},
1279 	{0x37ab, 0x48},
1280 	{0x37b3, 0x66},
1281 	{0x37c2, 0x04},
1282 	{0x37c5, 0x00},
1283 	{0x37c8, 0x00},
1284 	{0x3800, 0x00},
1285 	{0x3801, 0x0c},
1286 	{0x3802, 0x00},
1287 	{0x3803, 0x04},
1288 	{0x3804, 0x0a},
1289 	{0x3805, 0x33},
1290 	{0x3806, 0x07},
1291 	{0x3807, 0xa3},
1292 	{0x3808, 0x05},
1293 	{0x3809, 0x00},
1294 	{0x380a, 0x02},
1295 	{0x380b, 0xd0},
1296 	{0x380c, 0x06},
1297 	{0x380d, 0x90},
1298 	{0x380e, 0x08},
1299 	{0x380f, 0x08},
1300 	{0x3811, 0x04},
1301 	{0x3813, 0x02},
1302 	{0x3814, 0x03},
1303 	{0x3815, 0x01},
1304 	{0x3816, 0x00},
1305 	{0x3817, 0x00},
1306 	{0x3818, 0x00},
1307 	{0x3819, 0x00},
1308 	{0x3820, 0x94},
1309 	{0x3821, 0x47},
1310 	{0x3822, 0x48},
1311 	{0x3826, 0x00},
1312 	{0x3827, 0x08},
1313 	{0x382a, 0x03},
1314 	{0x382b, 0x01},
1315 	{0x3830, 0x08},
1316 	{0x3836, 0x02},
1317 	{0x3837, 0x00},
1318 	{0x3838, 0x10},
1319 	{0x3841, 0xff},
1320 	{0x3846, 0x48},
1321 	{0x3861, 0x00},
1322 	{0x3862, 0x04},
1323 	{0x3863, 0x06},
1324 	{0x3a11, 0x01},
1325 	{0x3a12, 0x78},
1326 	{0x3b00, 0x00},
1327 	{0x3b02, 0x00},
1328 	{0x3b03, 0x00},
1329 	{0x3b04, 0x00},
1330 	{0x3b05, 0x00},
1331 	{0x3c00, 0x89},
1332 	{0x3c01, 0xab},
1333 	{0x3c02, 0x01},
1334 	{0x3c03, 0x00},
1335 	{0x3c04, 0x00},
1336 	{0x3c05, 0x03},
1337 	{0x3c06, 0x00},
1338 	{0x3c07, 0x05},
1339 	{0x3c0c, 0x00},
1340 	{0x3c0d, 0x00},
1341 	{0x3c0e, 0x00},
1342 	{0x3c0f, 0x00},
1343 	{0x3c40, 0x00},
1344 	{0x3c41, 0xa3},
1345 	{0x3c43, 0x7d},
1346 	{0x3c45, 0xd7},
1347 	{0x3c47, 0xfc},
1348 	{0x3c50, 0x05},
1349 	{0x3c52, 0xaa},
1350 	{0x3c54, 0x71},
1351 	{0x3c56, 0x80},
1352 	{0x3d85, 0x17},
1353 	{0x3f03, 0x00},
1354 	{0x3f0a, 0x00},
1355 	{0x3f0b, 0x00},
1356 	{0x4001, 0x60},
1357 	{0x4009, 0x05},
1358 	{0x4020, 0x00},
1359 	{0x4021, 0x00},
1360 	{0x4022, 0x00},
1361 	{0x4023, 0x00},
1362 	{0x4024, 0x00},
1363 	{0x4025, 0x00},
1364 	{0x4026, 0x00},
1365 	{0x4027, 0x00},
1366 	{0x4028, 0x00},
1367 	{0x4029, 0x00},
1368 	{0x402a, 0x00},
1369 	{0x402b, 0x00},
1370 	{0x402c, 0x00},
1371 	{0x402d, 0x00},
1372 	{0x402e, 0x00},
1373 	{0x402f, 0x00},
1374 	{0x4040, 0x00},
1375 	{0x4041, 0x03},
1376 	{0x4042, 0x00},
1377 	{0x4043, 0x7A},
1378 	{0x4044, 0x00},
1379 	{0x4045, 0x7A},
1380 	{0x4046, 0x00},
1381 	{0x4047, 0x7A},
1382 	{0x4048, 0x00},
1383 	{0x4049, 0x7A},
1384 	{0x4307, 0x30},
1385 	{0x4500, 0x58},
1386 	{0x4501, 0x04},
1387 	{0x4502, 0x48},
1388 	{0x4503, 0x10},
1389 	{0x4508, 0x55},
1390 	{0x4509, 0x55},
1391 	{0x450a, 0x00},
1392 	{0x450b, 0x00},
1393 	{0x4600, 0x00},
1394 	{0x4601, 0x80},
1395 	{0x4700, 0xa4},
1396 	{0x4800, 0x4c},
1397 	{0x4816, 0x53},
1398 	{0x481f, 0x40},
1399 	{0x4837, 0x13},
1400 	{0x5000, 0x56},
1401 	{0x5001, 0x01},
1402 	{0x5002, 0x28},
1403 	{0x5004, 0x0c},
1404 	{0x5006, 0x0c},
1405 	{0x5007, 0xe0},
1406 	{0x5008, 0x01},
1407 	{0x5009, 0xb0},
1408 	{0x5901, 0x00},
1409 	{0x5a01, 0x00},
1410 	{0x5a03, 0x00},
1411 	{0x5a04, 0x0c},
1412 	{0x5a05, 0xe0},
1413 	{0x5a06, 0x09},
1414 	{0x5a07, 0xb0},
1415 	{0x5a08, 0x06},
1416 	{0x5e00, 0x00},
1417 	{0x3734, 0x40},
1418 	{0x5b00, 0x01},
1419 	{0x5b01, 0x10},
1420 	{0x5b02, 0x01},
1421 	{0x5b03, 0xdb},
1422 	{0x3d8c, 0x71},
1423 	{0x3d8d, 0xea},
1424 	{0x4017, 0x10},
1425 	{0x3618, 0x2a},
1426 	{0x5780, 0x3e},
1427 	{0x5781, 0x0f},
1428 	{0x5782, 0x44},
1429 	{0x5783, 0x02},
1430 	{0x5784, 0x01},
1431 	{0x5785, 0x01},
1432 	{0x5786, 0x00},
1433 	{0x5787, 0x04},
1434 	{0x5788, 0x02},
1435 	{0x5789, 0x0f},
1436 	{0x578a, 0xfd},
1437 	{0x578b, 0xf5},
1438 	{0x578c, 0xf5},
1439 	{0x578d, 0x03},
1440 	{0x578e, 0x08},
1441 	{0x578f, 0x0c},
1442 	{0x5790, 0x08},
1443 	{0x5791, 0x06},
1444 	{0x5792, 0x00},
1445 	{0x5793, 0x52},
1446 	{0x5794, 0xa3},
1447 	{0x3503, 0x00},
1448 	{0x5045, 0x05},
1449 	{0x4003, 0x40},
1450 	{0x5048, 0x40}
1451 };
1452 
1453 static const struct ov5670_reg mode_640x360_regs[] = {
1454 	{0x3000, 0x00},
1455 	{0x3002, 0x21},
1456 	{0x3005, 0xf0},
1457 	{0x3007, 0x00},
1458 	{0x3015, 0x0f},
1459 	{0x3018, 0x32},
1460 	{0x301a, 0xf0},
1461 	{0x301b, 0xf0},
1462 	{0x301c, 0xf0},
1463 	{0x301d, 0xf0},
1464 	{0x301e, 0xf0},
1465 	{0x3030, 0x00},
1466 	{0x3031, 0x0a},
1467 	{0x303c, 0xff},
1468 	{0x303e, 0xff},
1469 	{0x3040, 0xf0},
1470 	{0x3041, 0x00},
1471 	{0x3042, 0xf0},
1472 	{0x3106, 0x11},
1473 	{0x3500, 0x00},
1474 	{0x3501, 0x80},
1475 	{0x3502, 0x00},
1476 	{0x3503, 0x04},
1477 	{0x3504, 0x03},
1478 	{0x3505, 0x83},
1479 	{0x3508, 0x04},
1480 	{0x3509, 0x00},
1481 	{0x350e, 0x04},
1482 	{0x350f, 0x00},
1483 	{0x3510, 0x00},
1484 	{0x3511, 0x02},
1485 	{0x3512, 0x00},
1486 	{0x3601, 0xc8},
1487 	{0x3610, 0x88},
1488 	{0x3612, 0x48},
1489 	{0x3614, 0x5b},
1490 	{0x3615, 0x96},
1491 	{0x3621, 0xd0},
1492 	{0x3622, 0x00},
1493 	{0x3623, 0x04},
1494 	{0x3633, 0x13},
1495 	{0x3634, 0x13},
1496 	{0x3635, 0x13},
1497 	{0x3636, 0x13},
1498 	{0x3645, 0x13},
1499 	{0x3646, 0x82},
1500 	{0x3650, 0x00},
1501 	{0x3652, 0xff},
1502 	{0x3655, 0x20},
1503 	{0x3656, 0xff},
1504 	{0x365a, 0xff},
1505 	{0x365e, 0xff},
1506 	{0x3668, 0x00},
1507 	{0x366a, 0x07},
1508 	{0x366e, 0x08},
1509 	{0x366d, 0x00},
1510 	{0x366f, 0x80},
1511 	{0x3700, 0x28},
1512 	{0x3701, 0x10},
1513 	{0x3702, 0x3a},
1514 	{0x3703, 0x19},
1515 	{0x3704, 0x10},
1516 	{0x3705, 0x00},
1517 	{0x3706, 0x66},
1518 	{0x3707, 0x08},
1519 	{0x3708, 0x34},
1520 	{0x3709, 0x40},
1521 	{0x370a, 0x01},
1522 	{0x370b, 0x1b},
1523 	{0x3714, 0x24},
1524 	{0x371a, 0x3e},
1525 	{0x3733, 0x00},
1526 	{0x3734, 0x00},
1527 	{0x373a, 0x05},
1528 	{0x373b, 0x06},
1529 	{0x373c, 0x0a},
1530 	{0x373f, 0xa0},
1531 	{0x3755, 0x00},
1532 	{0x3758, 0x00},
1533 	{0x375b, 0x0e},
1534 	{0x3766, 0x5f},
1535 	{0x3768, 0x00},
1536 	{0x3769, 0x22},
1537 	{0x3773, 0x08},
1538 	{0x3774, 0x1f},
1539 	{0x3776, 0x06},
1540 	{0x37a0, 0x88},
1541 	{0x37a1, 0x5c},
1542 	{0x37a7, 0x88},
1543 	{0x37a8, 0x70},
1544 	{0x37aa, 0x88},
1545 	{0x37ab, 0x48},
1546 	{0x37b3, 0x66},
1547 	{0x37c2, 0x04},
1548 	{0x37c5, 0x00},
1549 	{0x37c8, 0x00},
1550 	{0x3800, 0x00},
1551 	{0x3801, 0x0c},
1552 	{0x3802, 0x00},
1553 	{0x3803, 0x04},
1554 	{0x3804, 0x0a},
1555 	{0x3805, 0x33},
1556 	{0x3806, 0x07},
1557 	{0x3807, 0xa3},
1558 	{0x3808, 0x02},
1559 	{0x3809, 0x80},
1560 	{0x380a, 0x01},
1561 	{0x380b, 0x68},
1562 	{0x380c, 0x06},
1563 	{0x380d, 0x90},
1564 	{0x380e, 0x08},
1565 	{0x380f, 0x08},
1566 	{0x3811, 0x04},
1567 	{0x3813, 0x02},
1568 	{0x3814, 0x07},
1569 	{0x3815, 0x01},
1570 	{0x3816, 0x00},
1571 	{0x3817, 0x00},
1572 	{0x3818, 0x00},
1573 	{0x3819, 0x00},
1574 	{0x3820, 0x94},
1575 	{0x3821, 0xc6},
1576 	{0x3822, 0x48},
1577 	{0x3826, 0x00},
1578 	{0x3827, 0x08},
1579 	{0x382a, 0x07},
1580 	{0x382b, 0x01},
1581 	{0x3830, 0x08},
1582 	{0x3836, 0x02},
1583 	{0x3837, 0x00},
1584 	{0x3838, 0x10},
1585 	{0x3841, 0xff},
1586 	{0x3846, 0x48},
1587 	{0x3861, 0x00},
1588 	{0x3862, 0x04},
1589 	{0x3863, 0x06},
1590 	{0x3a11, 0x01},
1591 	{0x3a12, 0x78},
1592 	{0x3b00, 0x00},
1593 	{0x3b02, 0x00},
1594 	{0x3b03, 0x00},
1595 	{0x3b04, 0x00},
1596 	{0x3b05, 0x00},
1597 	{0x3c00, 0x89},
1598 	{0x3c01, 0xab},
1599 	{0x3c02, 0x01},
1600 	{0x3c03, 0x00},
1601 	{0x3c04, 0x00},
1602 	{0x3c05, 0x03},
1603 	{0x3c06, 0x00},
1604 	{0x3c07, 0x05},
1605 	{0x3c0c, 0x00},
1606 	{0x3c0d, 0x00},
1607 	{0x3c0e, 0x00},
1608 	{0x3c0f, 0x00},
1609 	{0x3c40, 0x00},
1610 	{0x3c41, 0xa3},
1611 	{0x3c43, 0x7d},
1612 	{0x3c45, 0xd7},
1613 	{0x3c47, 0xfc},
1614 	{0x3c50, 0x05},
1615 	{0x3c52, 0xaa},
1616 	{0x3c54, 0x71},
1617 	{0x3c56, 0x80},
1618 	{0x3d85, 0x17},
1619 	{0x3f03, 0x00},
1620 	{0x3f0a, 0x00},
1621 	{0x3f0b, 0x00},
1622 	{0x4001, 0x60},
1623 	{0x4009, 0x05},
1624 	{0x4020, 0x00},
1625 	{0x4021, 0x00},
1626 	{0x4022, 0x00},
1627 	{0x4023, 0x00},
1628 	{0x4024, 0x00},
1629 	{0x4025, 0x00},
1630 	{0x4026, 0x00},
1631 	{0x4027, 0x00},
1632 	{0x4028, 0x00},
1633 	{0x4029, 0x00},
1634 	{0x402a, 0x00},
1635 	{0x402b, 0x00},
1636 	{0x402c, 0x00},
1637 	{0x402d, 0x00},
1638 	{0x402e, 0x00},
1639 	{0x402f, 0x00},
1640 	{0x4040, 0x00},
1641 	{0x4041, 0x03},
1642 	{0x4042, 0x00},
1643 	{0x4043, 0x7A},
1644 	{0x4044, 0x00},
1645 	{0x4045, 0x7A},
1646 	{0x4046, 0x00},
1647 	{0x4047, 0x7A},
1648 	{0x4048, 0x00},
1649 	{0x4049, 0x7A},
1650 	{0x4307, 0x30},
1651 	{0x4500, 0x58},
1652 	{0x4501, 0x04},
1653 	{0x4502, 0x40},
1654 	{0x4503, 0x10},
1655 	{0x4508, 0x55},
1656 	{0x4509, 0x55},
1657 	{0x450a, 0x02},
1658 	{0x450b, 0x00},
1659 	{0x4600, 0x00},
1660 	{0x4601, 0x40},
1661 	{0x4700, 0xa4},
1662 	{0x4800, 0x4c},
1663 	{0x4816, 0x53},
1664 	{0x481f, 0x40},
1665 	{0x4837, 0x13},
1666 	{0x5000, 0x56},
1667 	{0x5001, 0x01},
1668 	{0x5002, 0x28},
1669 	{0x5004, 0x0c},
1670 	{0x5006, 0x0c},
1671 	{0x5007, 0xe0},
1672 	{0x5008, 0x01},
1673 	{0x5009, 0xb0},
1674 	{0x5901, 0x00},
1675 	{0x5a01, 0x00},
1676 	{0x5a03, 0x00},
1677 	{0x5a04, 0x0c},
1678 	{0x5a05, 0xe0},
1679 	{0x5a06, 0x09},
1680 	{0x5a07, 0xb0},
1681 	{0x5a08, 0x06},
1682 	{0x5e00, 0x00},
1683 	{0x3734, 0x40},
1684 	{0x5b00, 0x01},
1685 	{0x5b01, 0x10},
1686 	{0x5b02, 0x01},
1687 	{0x5b03, 0xdb},
1688 	{0x3d8c, 0x71},
1689 	{0x3d8d, 0xea},
1690 	{0x4017, 0x10},
1691 	{0x3618, 0x2a},
1692 	{0x5780, 0x3e},
1693 	{0x5781, 0x0f},
1694 	{0x5782, 0x44},
1695 	{0x5783, 0x02},
1696 	{0x5784, 0x01},
1697 	{0x5785, 0x01},
1698 	{0x5786, 0x00},
1699 	{0x5787, 0x04},
1700 	{0x5788, 0x02},
1701 	{0x5789, 0x0f},
1702 	{0x578a, 0xfd},
1703 	{0x578b, 0xf5},
1704 	{0x578c, 0xf5},
1705 	{0x578d, 0x03},
1706 	{0x578e, 0x08},
1707 	{0x578f, 0x0c},
1708 	{0x5790, 0x08},
1709 	{0x5791, 0x06},
1710 	{0x5792, 0x00},
1711 	{0x5793, 0x52},
1712 	{0x5794, 0xa3},
1713 	{0x3503, 0x00},
1714 	{0x5045, 0x05},
1715 	{0x4003, 0x40},
1716 	{0x5048, 0x40}
1717 };
1718 
1719 static const char * const ov5670_test_pattern_menu[] = {
1720 	"Disabled",
1721 	"Vertical Color Bar Type 1",
1722 };
1723 
1724 /* Supported link frequencies */
1725 #define OV5670_LINK_FREQ_422MHZ		422400000
1726 #define OV5670_LINK_FREQ_422MHZ_INDEX	0
1727 static const struct ov5670_link_freq_config link_freq_configs[] = {
1728 	{
1729 		/* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1730 		.pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1731 		.reg_list = {
1732 			.num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1733 			.regs = mipi_data_rate_840mbps,
1734 		}
1735 	}
1736 };
1737 
1738 static const s64 link_freq_menu_items[] = {
1739 	OV5670_LINK_FREQ_422MHZ
1740 };
1741 
1742 /*
1743  * OV5670 sensor supports following resolutions with full FOV:
1744  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1745  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1746  */
1747 static const struct ov5670_mode supported_modes[] = {
1748 	{
1749 		.width = 2592,
1750 		.height = 1944,
1751 		.vts_def = OV5670_VTS_30FPS,
1752 		.vts_min = OV5670_VTS_30FPS,
1753 		.reg_list = {
1754 			.num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1755 			.regs = mode_2592x1944_regs,
1756 		},
1757 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1758 	},
1759 	{
1760 		.width = 1296,
1761 		.height = 972,
1762 		.vts_def = OV5670_VTS_30FPS,
1763 		.vts_min = 996,
1764 		.reg_list = {
1765 			.num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1766 			.regs = mode_1296x972_regs,
1767 		},
1768 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1769 	},
1770 	{
1771 		.width = 648,
1772 		.height = 486,
1773 		.vts_def = OV5670_VTS_30FPS,
1774 		.vts_min = 516,
1775 		.reg_list = {
1776 			.num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1777 			.regs = mode_648x486_regs,
1778 		},
1779 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1780 	},
1781 	{
1782 		.width = 2560,
1783 		.height = 1440,
1784 		.vts_def = OV5670_VTS_30FPS,
1785 		.vts_min = OV5670_VTS_30FPS,
1786 		.reg_list = {
1787 			.num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1788 			.regs = mode_2560x1440_regs,
1789 		},
1790 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1791 	},
1792 	{
1793 		.width = 1280,
1794 		.height = 720,
1795 		.vts_def = OV5670_VTS_30FPS,
1796 		.vts_min = 1020,
1797 		.reg_list = {
1798 			.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1799 			.regs = mode_1280x720_regs,
1800 		},
1801 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1802 	},
1803 	{
1804 		.width = 640,
1805 		.height = 360,
1806 		.vts_def = OV5670_VTS_30FPS,
1807 		.vts_min = 510,
1808 		.reg_list = {
1809 			.num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1810 			.regs = mode_640x360_regs,
1811 		},
1812 		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1813 	}
1814 };
1815 
1816 struct ov5670 {
1817 	struct v4l2_subdev sd;
1818 	struct media_pad pad;
1819 
1820 	struct v4l2_ctrl_handler ctrl_handler;
1821 	/* V4L2 Controls */
1822 	struct v4l2_ctrl *link_freq;
1823 	struct v4l2_ctrl *pixel_rate;
1824 	struct v4l2_ctrl *vblank;
1825 	struct v4l2_ctrl *hblank;
1826 	struct v4l2_ctrl *exposure;
1827 
1828 	/* Current mode */
1829 	const struct ov5670_mode *cur_mode;
1830 
1831 	/* To serialize asynchronus callbacks */
1832 	struct mutex mutex;
1833 
1834 	/* Streaming on/off */
1835 	bool streaming;
1836 	/* True if the device has been identified */
1837 	bool identified;
1838 };
1839 
1840 #define to_ov5670(_sd)	container_of(_sd, struct ov5670, sd)
1841 
1842 /* Read registers up to 4 at a time */
1843 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1844 			   u32 *val)
1845 {
1846 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1847 	struct i2c_msg msgs[2];
1848 	u8 *data_be_p;
1849 	__be32 data_be = 0;
1850 	__be16 reg_addr_be = cpu_to_be16(reg);
1851 	int ret;
1852 
1853 	if (len > 4)
1854 		return -EINVAL;
1855 
1856 	data_be_p = (u8 *)&data_be;
1857 	/* Write register address */
1858 	msgs[0].addr = client->addr;
1859 	msgs[0].flags = 0;
1860 	msgs[0].len = 2;
1861 	msgs[0].buf = (u8 *)&reg_addr_be;
1862 
1863 	/* Read data from register */
1864 	msgs[1].addr = client->addr;
1865 	msgs[1].flags = I2C_M_RD;
1866 	msgs[1].len = len;
1867 	msgs[1].buf = &data_be_p[4 - len];
1868 
1869 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1870 	if (ret != ARRAY_SIZE(msgs))
1871 		return -EIO;
1872 
1873 	*val = be32_to_cpu(data_be);
1874 
1875 	return 0;
1876 }
1877 
1878 /* Write registers up to 4 at a time */
1879 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1880 			    u32 val)
1881 {
1882 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1883 	int buf_i;
1884 	int val_i;
1885 	u8 buf[6];
1886 	u8 *val_p;
1887 	__be32 tmp;
1888 
1889 	if (len > 4)
1890 		return -EINVAL;
1891 
1892 	buf[0] = reg >> 8;
1893 	buf[1] = reg & 0xff;
1894 
1895 	tmp = cpu_to_be32(val);
1896 	val_p = (u8 *)&tmp;
1897 	buf_i = 2;
1898 	val_i = 4 - len;
1899 
1900 	while (val_i < 4)
1901 		buf[buf_i++] = val_p[val_i++];
1902 
1903 	if (i2c_master_send(client, buf, len + 2) != len + 2)
1904 		return -EIO;
1905 
1906 	return 0;
1907 }
1908 
1909 /* Write a list of registers */
1910 static int ov5670_write_regs(struct ov5670 *ov5670,
1911 			     const struct ov5670_reg *regs, unsigned int len)
1912 {
1913 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1914 	unsigned int i;
1915 	int ret;
1916 
1917 	for (i = 0; i < len; i++) {
1918 		ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1919 		if (ret) {
1920 			dev_err_ratelimited(
1921 				&client->dev,
1922 				"Failed to write reg 0x%4.4x. error = %d\n",
1923 				regs[i].address, ret);
1924 
1925 			return ret;
1926 		}
1927 	}
1928 
1929 	return 0;
1930 }
1931 
1932 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1933 				 const struct ov5670_reg_list *r_list)
1934 {
1935 	return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1936 }
1937 
1938 /* Open sub-device */
1939 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1940 {
1941 	struct ov5670 *ov5670 = to_ov5670(sd);
1942 	struct v4l2_mbus_framefmt *try_fmt =
1943 				v4l2_subdev_get_try_format(sd, fh->state, 0);
1944 
1945 	mutex_lock(&ov5670->mutex);
1946 
1947 	/* Initialize try_fmt */
1948 	try_fmt->width = ov5670->cur_mode->width;
1949 	try_fmt->height = ov5670->cur_mode->height;
1950 	try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1951 	try_fmt->field = V4L2_FIELD_NONE;
1952 
1953 	/* No crop or compose */
1954 	mutex_unlock(&ov5670->mutex);
1955 
1956 	return 0;
1957 }
1958 
1959 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1960 {
1961 	int ret;
1962 
1963 	ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1964 			       OV5670_REG_VALUE_16BIT, d_gain);
1965 	if (ret)
1966 		return ret;
1967 
1968 	ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1969 			       OV5670_REG_VALUE_16BIT, d_gain);
1970 	if (ret)
1971 		return ret;
1972 
1973 	return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1974 				OV5670_REG_VALUE_16BIT, d_gain);
1975 }
1976 
1977 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1978 {
1979 	u32 val;
1980 	int ret;
1981 
1982 	/* Set the bayer order that we support */
1983 	ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1984 			       OV5670_REG_VALUE_08BIT, 0);
1985 	if (ret)
1986 		return ret;
1987 
1988 	ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1989 			      OV5670_REG_VALUE_08BIT, &val);
1990 	if (ret)
1991 		return ret;
1992 
1993 	if (pattern)
1994 		val |= OV5670_TEST_PATTERN_ENABLE;
1995 	else
1996 		val &= ~OV5670_TEST_PATTERN_ENABLE;
1997 
1998 	return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1999 				OV5670_REG_VALUE_08BIT, val);
2000 }
2001 
2002 /* Initialize control handlers */
2003 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2004 {
2005 	struct ov5670 *ov5670 = container_of(ctrl->handler,
2006 					     struct ov5670, ctrl_handler);
2007 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2008 	s64 max;
2009 	int ret = 0;
2010 
2011 	/* Propagate change of current control to all related controls */
2012 	switch (ctrl->id) {
2013 	case V4L2_CID_VBLANK:
2014 		/* Update max exposure while meeting expected vblanking */
2015 		max = ov5670->cur_mode->height + ctrl->val - 8;
2016 		__v4l2_ctrl_modify_range(ov5670->exposure,
2017 					 ov5670->exposure->minimum, max,
2018 					 ov5670->exposure->step, max);
2019 		break;
2020 	}
2021 
2022 	/* V4L2 controls values will be applied only when power is already up */
2023 	if (!pm_runtime_get_if_in_use(&client->dev))
2024 		return 0;
2025 
2026 	switch (ctrl->id) {
2027 	case V4L2_CID_ANALOGUE_GAIN:
2028 		ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2029 				       OV5670_REG_VALUE_16BIT, ctrl->val);
2030 		break;
2031 	case V4L2_CID_DIGITAL_GAIN:
2032 		ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2033 		break;
2034 	case V4L2_CID_EXPOSURE:
2035 		/* 4 least significant bits of expsoure are fractional part */
2036 		ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2037 				       OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2038 		break;
2039 	case V4L2_CID_VBLANK:
2040 		/* Update VTS that meets expected vertical blanking */
2041 		ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2042 				       OV5670_REG_VALUE_16BIT,
2043 				       ov5670->cur_mode->height + ctrl->val);
2044 		break;
2045 	case V4L2_CID_TEST_PATTERN:
2046 		ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2047 		break;
2048 	default:
2049 		dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2050 			 __func__, ctrl->id, ctrl->val);
2051 		break;
2052 	}
2053 
2054 	pm_runtime_put(&client->dev);
2055 
2056 	return ret;
2057 }
2058 
2059 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2060 	.s_ctrl = ov5670_set_ctrl,
2061 };
2062 
2063 /* Initialize control handlers */
2064 static int ov5670_init_controls(struct ov5670 *ov5670)
2065 {
2066 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2067 	struct v4l2_fwnode_device_properties props;
2068 	struct v4l2_ctrl_handler *ctrl_hdlr;
2069 	s64 vblank_max;
2070 	s64 vblank_def;
2071 	s64 vblank_min;
2072 	s64 exposure_max;
2073 	int ret;
2074 
2075 	ctrl_hdlr = &ov5670->ctrl_handler;
2076 	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2077 	if (ret)
2078 		return ret;
2079 
2080 	ctrl_hdlr->lock = &ov5670->mutex;
2081 	ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2082 						   &ov5670_ctrl_ops,
2083 						   V4L2_CID_LINK_FREQ,
2084 						   0, 0, link_freq_menu_items);
2085 	if (ov5670->link_freq)
2086 		ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2087 
2088 	/* By default, V4L2_CID_PIXEL_RATE is read only */
2089 	ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2090 					       V4L2_CID_PIXEL_RATE,
2091 					       link_freq_configs[0].pixel_rate,
2092 					       link_freq_configs[0].pixel_rate,
2093 					       1,
2094 					       link_freq_configs[0].pixel_rate);
2095 
2096 	vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2097 	vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2098 	vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2099 	ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2100 					   V4L2_CID_VBLANK, vblank_min,
2101 					   vblank_max, 1, vblank_def);
2102 
2103 	ov5670->hblank = v4l2_ctrl_new_std(
2104 				ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2105 				OV5670_FIXED_PPL - ov5670->cur_mode->width,
2106 				OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2107 				OV5670_FIXED_PPL - ov5670->cur_mode->width);
2108 	if (ov5670->hblank)
2109 		ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2110 
2111 	/* Get min, max, step, default from sensor */
2112 	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2113 			  ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2114 			  ANALOG_GAIN_DEFAULT);
2115 
2116 	/* Digital gain */
2117 	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2118 			  OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2119 			  OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2120 
2121 	/* Get min, max, step, default from sensor */
2122 	exposure_max = ov5670->cur_mode->vts_def - 8;
2123 	ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2124 					     V4L2_CID_EXPOSURE,
2125 					     OV5670_EXPOSURE_MIN,
2126 					     exposure_max, OV5670_EXPOSURE_STEP,
2127 					     exposure_max);
2128 
2129 	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2130 				     V4L2_CID_TEST_PATTERN,
2131 				     ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2132 				     0, 0, ov5670_test_pattern_menu);
2133 
2134 	if (ctrl_hdlr->error) {
2135 		ret = ctrl_hdlr->error;
2136 		goto error;
2137 	}
2138 
2139 	ret = v4l2_fwnode_device_parse(&client->dev, &props);
2140 	if (ret)
2141 		goto error;
2142 
2143 	ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2144 					      &props);
2145 	if (ret)
2146 		goto error;
2147 
2148 	ov5670->sd.ctrl_handler = ctrl_hdlr;
2149 
2150 	return 0;
2151 
2152 error:
2153 	v4l2_ctrl_handler_free(ctrl_hdlr);
2154 
2155 	return ret;
2156 }
2157 
2158 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2159 				 struct v4l2_subdev_state *sd_state,
2160 				 struct v4l2_subdev_mbus_code_enum *code)
2161 {
2162 	/* Only one bayer order GRBG is supported */
2163 	if (code->index > 0)
2164 		return -EINVAL;
2165 
2166 	code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2167 
2168 	return 0;
2169 }
2170 
2171 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2172 				  struct v4l2_subdev_state *sd_state,
2173 				  struct v4l2_subdev_frame_size_enum *fse)
2174 {
2175 	if (fse->index >= ARRAY_SIZE(supported_modes))
2176 		return -EINVAL;
2177 
2178 	if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2179 		return -EINVAL;
2180 
2181 	fse->min_width = supported_modes[fse->index].width;
2182 	fse->max_width = fse->min_width;
2183 	fse->min_height = supported_modes[fse->index].height;
2184 	fse->max_height = fse->min_height;
2185 
2186 	return 0;
2187 }
2188 
2189 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2190 				     struct v4l2_subdev_format *fmt)
2191 {
2192 	fmt->format.width = mode->width;
2193 	fmt->format.height = mode->height;
2194 	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2195 	fmt->format.field = V4L2_FIELD_NONE;
2196 }
2197 
2198 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2199 				    struct v4l2_subdev_state *sd_state,
2200 				    struct v4l2_subdev_format *fmt)
2201 {
2202 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2203 		fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd,
2204 							  sd_state,
2205 							  fmt->pad);
2206 	else
2207 		ov5670_update_pad_format(ov5670->cur_mode, fmt);
2208 
2209 	return 0;
2210 }
2211 
2212 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2213 				 struct v4l2_subdev_state *sd_state,
2214 				 struct v4l2_subdev_format *fmt)
2215 {
2216 	struct ov5670 *ov5670 = to_ov5670(sd);
2217 	int ret;
2218 
2219 	mutex_lock(&ov5670->mutex);
2220 	ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt);
2221 	mutex_unlock(&ov5670->mutex);
2222 
2223 	return ret;
2224 }
2225 
2226 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2227 				 struct v4l2_subdev_state *sd_state,
2228 				 struct v4l2_subdev_format *fmt)
2229 {
2230 	struct ov5670 *ov5670 = to_ov5670(sd);
2231 	const struct ov5670_mode *mode;
2232 	s32 vblank_def;
2233 	s32 h_blank;
2234 
2235 	mutex_lock(&ov5670->mutex);
2236 
2237 	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2238 
2239 	mode = v4l2_find_nearest_size(supported_modes,
2240 				      ARRAY_SIZE(supported_modes),
2241 				      width, height,
2242 				      fmt->format.width, fmt->format.height);
2243 	ov5670_update_pad_format(mode, fmt);
2244 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2245 		*v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
2246 	} else {
2247 		ov5670->cur_mode = mode;
2248 		__v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2249 		__v4l2_ctrl_s_ctrl_int64(
2250 			ov5670->pixel_rate,
2251 			link_freq_configs[mode->link_freq_index].pixel_rate);
2252 		/* Update limits and set FPS to default */
2253 		vblank_def = ov5670->cur_mode->vts_def -
2254 			     ov5670->cur_mode->height;
2255 		__v4l2_ctrl_modify_range(
2256 			ov5670->vblank,
2257 			ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2258 			OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2259 			vblank_def);
2260 		__v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2261 		h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2262 		__v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2263 					 h_blank);
2264 	}
2265 
2266 	mutex_unlock(&ov5670->mutex);
2267 
2268 	return 0;
2269 }
2270 
2271 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2272 {
2273 	*frames = OV5670_NUM_OF_SKIP_FRAMES;
2274 
2275 	return 0;
2276 }
2277 
2278 /* Verify chip ID */
2279 static int ov5670_identify_module(struct ov5670 *ov5670)
2280 {
2281 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2282 	int ret;
2283 	u32 val;
2284 
2285 	if (ov5670->identified)
2286 		return 0;
2287 
2288 	ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2289 			      OV5670_REG_VALUE_24BIT, &val);
2290 	if (ret)
2291 		return ret;
2292 
2293 	if (val != OV5670_CHIP_ID) {
2294 		dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2295 			OV5670_CHIP_ID, val);
2296 		return -ENXIO;
2297 	}
2298 
2299 	ov5670->identified = true;
2300 
2301 	return 0;
2302 }
2303 
2304 /* Prepare streaming by writing default values and customized values */
2305 static int ov5670_start_streaming(struct ov5670 *ov5670)
2306 {
2307 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2308 	const struct ov5670_reg_list *reg_list;
2309 	int link_freq_index;
2310 	int ret;
2311 
2312 	ret = ov5670_identify_module(ov5670);
2313 	if (ret)
2314 		return ret;
2315 
2316 	/* Get out of from software reset */
2317 	ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2318 			       OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2319 	if (ret) {
2320 		dev_err(&client->dev, "%s failed to set powerup registers\n",
2321 			__func__);
2322 		return ret;
2323 	}
2324 
2325 	/* Setup PLL */
2326 	link_freq_index = ov5670->cur_mode->link_freq_index;
2327 	reg_list = &link_freq_configs[link_freq_index].reg_list;
2328 	ret = ov5670_write_reg_list(ov5670, reg_list);
2329 	if (ret) {
2330 		dev_err(&client->dev, "%s failed to set plls\n", __func__);
2331 		return ret;
2332 	}
2333 
2334 	/* Apply default values of current mode */
2335 	reg_list = &ov5670->cur_mode->reg_list;
2336 	ret = ov5670_write_reg_list(ov5670, reg_list);
2337 	if (ret) {
2338 		dev_err(&client->dev, "%s failed to set mode\n", __func__);
2339 		return ret;
2340 	}
2341 
2342 	ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2343 	if (ret)
2344 		return ret;
2345 
2346 	/* Write stream on list */
2347 	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2348 			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2349 	if (ret) {
2350 		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2351 		return ret;
2352 	}
2353 
2354 	return 0;
2355 }
2356 
2357 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2358 {
2359 	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2360 	int ret;
2361 
2362 	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2363 			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2364 	if (ret)
2365 		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2366 
2367 	/* Return success even if it was an error, as there is nothing the
2368 	 * caller can do about it.
2369 	 */
2370 	return 0;
2371 }
2372 
2373 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2374 {
2375 	struct ov5670 *ov5670 = to_ov5670(sd);
2376 	struct i2c_client *client = v4l2_get_subdevdata(sd);
2377 	int ret = 0;
2378 
2379 	mutex_lock(&ov5670->mutex);
2380 	if (ov5670->streaming == enable)
2381 		goto unlock_and_return;
2382 
2383 	if (enable) {
2384 		ret = pm_runtime_resume_and_get(&client->dev);
2385 		if (ret < 0)
2386 			goto unlock_and_return;
2387 
2388 		ret = ov5670_start_streaming(ov5670);
2389 		if (ret)
2390 			goto error;
2391 	} else {
2392 		ret = ov5670_stop_streaming(ov5670);
2393 		pm_runtime_put(&client->dev);
2394 	}
2395 	ov5670->streaming = enable;
2396 	goto unlock_and_return;
2397 
2398 error:
2399 	pm_runtime_put(&client->dev);
2400 
2401 unlock_and_return:
2402 	mutex_unlock(&ov5670->mutex);
2403 
2404 	return ret;
2405 }
2406 
2407 static int __maybe_unused ov5670_suspend(struct device *dev)
2408 {
2409 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
2410 	struct ov5670 *ov5670 = to_ov5670(sd);
2411 
2412 	if (ov5670->streaming)
2413 		ov5670_stop_streaming(ov5670);
2414 
2415 	return 0;
2416 }
2417 
2418 static int __maybe_unused ov5670_resume(struct device *dev)
2419 {
2420 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
2421 	struct ov5670 *ov5670 = to_ov5670(sd);
2422 	int ret;
2423 
2424 	if (ov5670->streaming) {
2425 		ret = ov5670_start_streaming(ov5670);
2426 		if (ret) {
2427 			ov5670_stop_streaming(ov5670);
2428 			return ret;
2429 		}
2430 	}
2431 
2432 	return 0;
2433 }
2434 
2435 static const struct v4l2_subdev_core_ops ov5670_core_ops = {
2436 	.log_status = v4l2_ctrl_subdev_log_status,
2437 	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
2438 	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
2439 };
2440 
2441 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2442 	.s_stream = ov5670_set_stream,
2443 };
2444 
2445 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2446 	.enum_mbus_code = ov5670_enum_mbus_code,
2447 	.get_fmt = ov5670_get_pad_format,
2448 	.set_fmt = ov5670_set_pad_format,
2449 	.enum_frame_size = ov5670_enum_frame_size,
2450 };
2451 
2452 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2453 	.g_skip_frames = ov5670_get_skip_frames,
2454 };
2455 
2456 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2457 	.core = &ov5670_core_ops,
2458 	.video = &ov5670_video_ops,
2459 	.pad = &ov5670_pad_ops,
2460 	.sensor = &ov5670_sensor_ops,
2461 };
2462 
2463 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2464 	.link_validate = v4l2_subdev_link_validate,
2465 };
2466 
2467 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2468 	.open = ov5670_open,
2469 };
2470 
2471 static int ov5670_probe(struct i2c_client *client)
2472 {
2473 	struct ov5670 *ov5670;
2474 	const char *err_msg;
2475 	u32 input_clk = 0;
2476 	bool full_power;
2477 	int ret;
2478 
2479 	device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2480 	if (input_clk != 19200000)
2481 		return -EINVAL;
2482 
2483 	ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2484 	if (!ov5670) {
2485 		ret = -ENOMEM;
2486 		err_msg = "devm_kzalloc() error";
2487 		goto error_print;
2488 	}
2489 
2490 	/* Initialize subdev */
2491 	v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2492 
2493 	full_power = acpi_dev_state_d0(&client->dev);
2494 	if (full_power) {
2495 		/* Check module identity */
2496 		ret = ov5670_identify_module(ov5670);
2497 		if (ret) {
2498 			err_msg = "ov5670_identify_module() error";
2499 			goto error_print;
2500 		}
2501 	}
2502 
2503 	mutex_init(&ov5670->mutex);
2504 
2505 	/* Set default mode to max resolution */
2506 	ov5670->cur_mode = &supported_modes[0];
2507 
2508 	ret = ov5670_init_controls(ov5670);
2509 	if (ret) {
2510 		err_msg = "ov5670_init_controls() error";
2511 		goto error_mutex_destroy;
2512 	}
2513 
2514 	ov5670->sd.internal_ops = &ov5670_internal_ops;
2515 	ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
2516 			    V4L2_SUBDEV_FL_HAS_EVENTS;
2517 	ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2518 	ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2519 
2520 	/* Source pad initialization */
2521 	ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2522 	ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2523 	if (ret) {
2524 		err_msg = "media_entity_pads_init() error";
2525 		goto error_handler_free;
2526 	}
2527 
2528 	/* Async register for subdev */
2529 	ret = v4l2_async_register_subdev_sensor(&ov5670->sd);
2530 	if (ret < 0) {
2531 		err_msg = "v4l2_async_register_subdev() error";
2532 		goto error_entity_cleanup;
2533 	}
2534 
2535 	ov5670->streaming = false;
2536 
2537 	/* Set the device's state to active if it's in D0 state. */
2538 	if (full_power)
2539 		pm_runtime_set_active(&client->dev);
2540 	pm_runtime_enable(&client->dev);
2541 	pm_runtime_idle(&client->dev);
2542 
2543 	return 0;
2544 
2545 error_entity_cleanup:
2546 	media_entity_cleanup(&ov5670->sd.entity);
2547 
2548 error_handler_free:
2549 	v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2550 
2551 error_mutex_destroy:
2552 	mutex_destroy(&ov5670->mutex);
2553 
2554 error_print:
2555 	dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2556 
2557 	return ret;
2558 }
2559 
2560 static void ov5670_remove(struct i2c_client *client)
2561 {
2562 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2563 	struct ov5670 *ov5670 = to_ov5670(sd);
2564 
2565 	v4l2_async_unregister_subdev(sd);
2566 	media_entity_cleanup(&sd->entity);
2567 	v4l2_ctrl_handler_free(sd->ctrl_handler);
2568 	mutex_destroy(&ov5670->mutex);
2569 
2570 	pm_runtime_disable(&client->dev);
2571 }
2572 
2573 static const struct dev_pm_ops ov5670_pm_ops = {
2574 	SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2575 };
2576 
2577 #ifdef CONFIG_ACPI
2578 static const struct acpi_device_id ov5670_acpi_ids[] = {
2579 	{ "INT3479" },
2580 	{ /* sentinel */ }
2581 };
2582 
2583 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2584 #endif
2585 
2586 static struct i2c_driver ov5670_i2c_driver = {
2587 	.driver = {
2588 		.name = "ov5670",
2589 		.pm = &ov5670_pm_ops,
2590 		.acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2591 	},
2592 	.probe_new = ov5670_probe,
2593 	.remove = ov5670_remove,
2594 	.flags = I2C_DRV_ACPI_WAIVE_D0_PROBE,
2595 };
2596 
2597 module_i2c_driver(ov5670_i2c_driver);
2598 
2599 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2600 MODULE_AUTHOR("Yang, Hyungwoo");
2601 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2602 MODULE_LICENSE("GPL v2");
2603