1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2017 Intel Corporation.
3
4#include <linux/acpi.h>
5#include <linux/i2c.h>
6#include <linux/module.h>
7#include <linux/pm_runtime.h>
8#include <media/v4l2-ctrls.h>
9#include <media/v4l2-device.h>
10#include <media/v4l2-fwnode.h>
11
12#define OV5670_REG_CHIP_ID		0x300a
13#define OV5670_CHIP_ID			0x005670
14
15#define OV5670_REG_MODE_SELECT		0x0100
16#define OV5670_MODE_STANDBY		0x00
17#define OV5670_MODE_STREAMING		0x01
18
19#define OV5670_REG_SOFTWARE_RST		0x0103
20#define OV5670_SOFTWARE_RST		0x01
21
22/* vertical-timings from sensor */
23#define OV5670_REG_VTS			0x380e
24#define OV5670_VTS_30FPS		0x0808 /* default for 30 fps */
25#define OV5670_VTS_MAX			0xffff
26
27/* horizontal-timings from sensor */
28#define OV5670_REG_HTS			0x380c
29
30/*
31 * Pixels-per-line(PPL) = Time-per-line * pixel-rate
32 * In OV5670, Time-per-line = HTS/SCLK.
33 * HTS is fixed for all resolutions, not recommended to change.
34 */
35#define OV5670_FIXED_PPL		2724	/* Pixels per line */
36
37/* Exposure controls from sensor */
38#define OV5670_REG_EXPOSURE		0x3500
39#define	OV5670_EXPOSURE_MIN		4
40#define	OV5670_EXPOSURE_STEP		1
41
42/* Analog gain controls from sensor */
43#define OV5670_REG_ANALOG_GAIN		0x3508
44#define	ANALOG_GAIN_MIN			0
45#define	ANALOG_GAIN_MAX			8191
46#define	ANALOG_GAIN_STEP		1
47#define	ANALOG_GAIN_DEFAULT		128
48
49/* Digital gain controls from sensor */
50#define OV5670_REG_R_DGTL_GAIN		0x5032
51#define OV5670_REG_G_DGTL_GAIN		0x5034
52#define OV5670_REG_B_DGTL_GAIN		0x5036
53#define OV5670_DGTL_GAIN_MIN		0
54#define OV5670_DGTL_GAIN_MAX		4095
55#define OV5670_DGTL_GAIN_STEP		1
56#define OV5670_DGTL_GAIN_DEFAULT	1024
57
58/* Test Pattern Control */
59#define OV5670_REG_TEST_PATTERN		0x4303
60#define OV5670_TEST_PATTERN_ENABLE	BIT(3)
61#define OV5670_REG_TEST_PATTERN_CTRL	0x4320
62
63#define OV5670_REG_VALUE_08BIT		1
64#define OV5670_REG_VALUE_16BIT		2
65#define OV5670_REG_VALUE_24BIT		3
66
67/* Initial number of frames to skip to avoid possible garbage */
68#define OV5670_NUM_OF_SKIP_FRAMES	2
69
70struct ov5670_reg {
71	u16 address;
72	u8 val;
73};
74
75struct ov5670_reg_list {
76	u32 num_of_regs;
77	const struct ov5670_reg *regs;
78};
79
80struct ov5670_link_freq_config {
81	u32 pixel_rate;
82	const struct ov5670_reg_list reg_list;
83};
84
85struct ov5670_mode {
86	/* Frame width in pixels */
87	u32 width;
88
89	/* Frame height in pixels */
90	u32 height;
91
92	/* Default vertical timining size */
93	u32 vts_def;
94
95	/* Min vertical timining size */
96	u32 vts_min;
97
98	/* Link frequency needed for this resolution */
99	u32 link_freq_index;
100
101	/* Sensor register settings for this resolution */
102	const struct ov5670_reg_list reg_list;
103};
104
105static const struct ov5670_reg mipi_data_rate_840mbps[] = {
106	{0x0300, 0x04},
107	{0x0301, 0x00},
108	{0x0302, 0x84},
109	{0x0303, 0x00},
110	{0x0304, 0x03},
111	{0x0305, 0x01},
112	{0x0306, 0x01},
113	{0x030a, 0x00},
114	{0x030b, 0x00},
115	{0x030c, 0x00},
116	{0x030d, 0x26},
117	{0x030e, 0x00},
118	{0x030f, 0x06},
119	{0x0312, 0x01},
120	{0x3031, 0x0a},
121};
122
123static const struct ov5670_reg mode_2592x1944_regs[] = {
124	{0x3000, 0x00},
125	{0x3002, 0x21},
126	{0x3005, 0xf0},
127	{0x3007, 0x00},
128	{0x3015, 0x0f},
129	{0x3018, 0x32},
130	{0x301a, 0xf0},
131	{0x301b, 0xf0},
132	{0x301c, 0xf0},
133	{0x301d, 0xf0},
134	{0x301e, 0xf0},
135	{0x3030, 0x00},
136	{0x3031, 0x0a},
137	{0x303c, 0xff},
138	{0x303e, 0xff},
139	{0x3040, 0xf0},
140	{0x3041, 0x00},
141	{0x3042, 0xf0},
142	{0x3106, 0x11},
143	{0x3500, 0x00},
144	{0x3501, 0x80},
145	{0x3502, 0x00},
146	{0x3503, 0x04},
147	{0x3504, 0x03},
148	{0x3505, 0x83},
149	{0x3508, 0x04},
150	{0x3509, 0x00},
151	{0x350e, 0x04},
152	{0x350f, 0x00},
153	{0x3510, 0x00},
154	{0x3511, 0x02},
155	{0x3512, 0x00},
156	{0x3601, 0xc8},
157	{0x3610, 0x88},
158	{0x3612, 0x48},
159	{0x3614, 0x5b},
160	{0x3615, 0x96},
161	{0x3621, 0xd0},
162	{0x3622, 0x00},
163	{0x3623, 0x00},
164	{0x3633, 0x13},
165	{0x3634, 0x13},
166	{0x3635, 0x13},
167	{0x3636, 0x13},
168	{0x3645, 0x13},
169	{0x3646, 0x82},
170	{0x3650, 0x00},
171	{0x3652, 0xff},
172	{0x3655, 0x20},
173	{0x3656, 0xff},
174	{0x365a, 0xff},
175	{0x365e, 0xff},
176	{0x3668, 0x00},
177	{0x366a, 0x07},
178	{0x366e, 0x10},
179	{0x366d, 0x00},
180	{0x366f, 0x80},
181	{0x3700, 0x28},
182	{0x3701, 0x10},
183	{0x3702, 0x3a},
184	{0x3703, 0x19},
185	{0x3704, 0x10},
186	{0x3705, 0x00},
187	{0x3706, 0x66},
188	{0x3707, 0x08},
189	{0x3708, 0x34},
190	{0x3709, 0x40},
191	{0x370a, 0x01},
192	{0x370b, 0x1b},
193	{0x3714, 0x24},
194	{0x371a, 0x3e},
195	{0x3733, 0x00},
196	{0x3734, 0x00},
197	{0x373a, 0x05},
198	{0x373b, 0x06},
199	{0x373c, 0x0a},
200	{0x373f, 0xa0},
201	{0x3755, 0x00},
202	{0x3758, 0x00},
203	{0x375b, 0x0e},
204	{0x3766, 0x5f},
205	{0x3768, 0x00},
206	{0x3769, 0x22},
207	{0x3773, 0x08},
208	{0x3774, 0x1f},
209	{0x3776, 0x06},
210	{0x37a0, 0x88},
211	{0x37a1, 0x5c},
212	{0x37a7, 0x88},
213	{0x37a8, 0x70},
214	{0x37aa, 0x88},
215	{0x37ab, 0x48},
216	{0x37b3, 0x66},
217	{0x37c2, 0x04},
218	{0x37c5, 0x00},
219	{0x37c8, 0x00},
220	{0x3800, 0x00},
221	{0x3801, 0x0c},
222	{0x3802, 0x00},
223	{0x3803, 0x04},
224	{0x3804, 0x0a},
225	{0x3805, 0x33},
226	{0x3806, 0x07},
227	{0x3807, 0xa3},
228	{0x3808, 0x0a},
229	{0x3809, 0x20},
230	{0x380a, 0x07},
231	{0x380b, 0x98},
232	{0x380c, 0x06},
233	{0x380d, 0x90},
234	{0x380e, 0x08},
235	{0x380f, 0x08},
236	{0x3811, 0x04},
237	{0x3813, 0x02},
238	{0x3814, 0x01},
239	{0x3815, 0x01},
240	{0x3816, 0x00},
241	{0x3817, 0x00},
242	{0x3818, 0x00},
243	{0x3819, 0x00},
244	{0x3820, 0x84},
245	{0x3821, 0x46},
246	{0x3822, 0x48},
247	{0x3826, 0x00},
248	{0x3827, 0x08},
249	{0x382a, 0x01},
250	{0x382b, 0x01},
251	{0x3830, 0x08},
252	{0x3836, 0x02},
253	{0x3837, 0x00},
254	{0x3838, 0x10},
255	{0x3841, 0xff},
256	{0x3846, 0x48},
257	{0x3861, 0x00},
258	{0x3862, 0x04},
259	{0x3863, 0x06},
260	{0x3a11, 0x01},
261	{0x3a12, 0x78},
262	{0x3b00, 0x00},
263	{0x3b02, 0x00},
264	{0x3b03, 0x00},
265	{0x3b04, 0x00},
266	{0x3b05, 0x00},
267	{0x3c00, 0x89},
268	{0x3c01, 0xab},
269	{0x3c02, 0x01},
270	{0x3c03, 0x00},
271	{0x3c04, 0x00},
272	{0x3c05, 0x03},
273	{0x3c06, 0x00},
274	{0x3c07, 0x05},
275	{0x3c0c, 0x00},
276	{0x3c0d, 0x00},
277	{0x3c0e, 0x00},
278	{0x3c0f, 0x00},
279	{0x3c40, 0x00},
280	{0x3c41, 0xa3},
281	{0x3c43, 0x7d},
282	{0x3c45, 0xd7},
283	{0x3c47, 0xfc},
284	{0x3c50, 0x05},
285	{0x3c52, 0xaa},
286	{0x3c54, 0x71},
287	{0x3c56, 0x80},
288	{0x3d85, 0x17},
289	{0x3f03, 0x00},
290	{0x3f0a, 0x00},
291	{0x3f0b, 0x00},
292	{0x4001, 0x60},
293	{0x4009, 0x0d},
294	{0x4020, 0x00},
295	{0x4021, 0x00},
296	{0x4022, 0x00},
297	{0x4023, 0x00},
298	{0x4024, 0x00},
299	{0x4025, 0x00},
300	{0x4026, 0x00},
301	{0x4027, 0x00},
302	{0x4028, 0x00},
303	{0x4029, 0x00},
304	{0x402a, 0x00},
305	{0x402b, 0x00},
306	{0x402c, 0x00},
307	{0x402d, 0x00},
308	{0x402e, 0x00},
309	{0x402f, 0x00},
310	{0x4040, 0x00},
311	{0x4041, 0x03},
312	{0x4042, 0x00},
313	{0x4043, 0x7A},
314	{0x4044, 0x00},
315	{0x4045, 0x7A},
316	{0x4046, 0x00},
317	{0x4047, 0x7A},
318	{0x4048, 0x00},
319	{0x4049, 0x7A},
320	{0x4307, 0x30},
321	{0x4500, 0x58},
322	{0x4501, 0x04},
323	{0x4502, 0x40},
324	{0x4503, 0x10},
325	{0x4508, 0xaa},
326	{0x4509, 0xaa},
327	{0x450a, 0x00},
328	{0x450b, 0x00},
329	{0x4600, 0x01},
330	{0x4601, 0x03},
331	{0x4700, 0xa4},
332	{0x4800, 0x4c},
333	{0x4816, 0x53},
334	{0x481f, 0x40},
335	{0x4837, 0x13},
336	{0x5000, 0x56},
337	{0x5001, 0x01},
338	{0x5002, 0x28},
339	{0x5004, 0x0c},
340	{0x5006, 0x0c},
341	{0x5007, 0xe0},
342	{0x5008, 0x01},
343	{0x5009, 0xb0},
344	{0x5901, 0x00},
345	{0x5a01, 0x00},
346	{0x5a03, 0x00},
347	{0x5a04, 0x0c},
348	{0x5a05, 0xe0},
349	{0x5a06, 0x09},
350	{0x5a07, 0xb0},
351	{0x5a08, 0x06},
352	{0x5e00, 0x00},
353	{0x3734, 0x40},
354	{0x5b00, 0x01},
355	{0x5b01, 0x10},
356	{0x5b02, 0x01},
357	{0x5b03, 0xdb},
358	{0x3d8c, 0x71},
359	{0x3d8d, 0xea},
360	{0x4017, 0x08},
361	{0x3618, 0x2a},
362	{0x5780, 0x3e},
363	{0x5781, 0x0f},
364	{0x5782, 0x44},
365	{0x5783, 0x02},
366	{0x5784, 0x01},
367	{0x5785, 0x01},
368	{0x5786, 0x00},
369	{0x5787, 0x04},
370	{0x5788, 0x02},
371	{0x5789, 0x0f},
372	{0x578a, 0xfd},
373	{0x578b, 0xf5},
374	{0x578c, 0xf5},
375	{0x578d, 0x03},
376	{0x578e, 0x08},
377	{0x578f, 0x0c},
378	{0x5790, 0x08},
379	{0x5791, 0x06},
380	{0x5792, 0x00},
381	{0x5793, 0x52},
382	{0x5794, 0xa3},
383	{0x3503, 0x00},
384	{0x5045, 0x05},
385	{0x4003, 0x40},
386	{0x5048, 0x40}
387};
388
389static const struct ov5670_reg mode_1296x972_regs[] = {
390	{0x3000, 0x00},
391	{0x3002, 0x21},
392	{0x3005, 0xf0},
393	{0x3007, 0x00},
394	{0x3015, 0x0f},
395	{0x3018, 0x32},
396	{0x301a, 0xf0},
397	{0x301b, 0xf0},
398	{0x301c, 0xf0},
399	{0x301d, 0xf0},
400	{0x301e, 0xf0},
401	{0x3030, 0x00},
402	{0x3031, 0x0a},
403	{0x303c, 0xff},
404	{0x303e, 0xff},
405	{0x3040, 0xf0},
406	{0x3041, 0x00},
407	{0x3042, 0xf0},
408	{0x3106, 0x11},
409	{0x3500, 0x00},
410	{0x3501, 0x80},
411	{0x3502, 0x00},
412	{0x3503, 0x04},
413	{0x3504, 0x03},
414	{0x3505, 0x83},
415	{0x3508, 0x07},
416	{0x3509, 0x80},
417	{0x350e, 0x04},
418	{0x350f, 0x00},
419	{0x3510, 0x00},
420	{0x3511, 0x02},
421	{0x3512, 0x00},
422	{0x3601, 0xc8},
423	{0x3610, 0x88},
424	{0x3612, 0x48},
425	{0x3614, 0x5b},
426	{0x3615, 0x96},
427	{0x3621, 0xd0},
428	{0x3622, 0x00},
429	{0x3623, 0x00},
430	{0x3633, 0x13},
431	{0x3634, 0x13},
432	{0x3635, 0x13},
433	{0x3636, 0x13},
434	{0x3645, 0x13},
435	{0x3646, 0x82},
436	{0x3650, 0x00},
437	{0x3652, 0xff},
438	{0x3655, 0x20},
439	{0x3656, 0xff},
440	{0x365a, 0xff},
441	{0x365e, 0xff},
442	{0x3668, 0x00},
443	{0x366a, 0x07},
444	{0x366e, 0x08},
445	{0x366d, 0x00},
446	{0x366f, 0x80},
447	{0x3700, 0x28},
448	{0x3701, 0x10},
449	{0x3702, 0x3a},
450	{0x3703, 0x19},
451	{0x3704, 0x10},
452	{0x3705, 0x00},
453	{0x3706, 0x66},
454	{0x3707, 0x08},
455	{0x3708, 0x34},
456	{0x3709, 0x40},
457	{0x370a, 0x01},
458	{0x370b, 0x1b},
459	{0x3714, 0x24},
460	{0x371a, 0x3e},
461	{0x3733, 0x00},
462	{0x3734, 0x00},
463	{0x373a, 0x05},
464	{0x373b, 0x06},
465	{0x373c, 0x0a},
466	{0x373f, 0xa0},
467	{0x3755, 0x00},
468	{0x3758, 0x00},
469	{0x375b, 0x0e},
470	{0x3766, 0x5f},
471	{0x3768, 0x00},
472	{0x3769, 0x22},
473	{0x3773, 0x08},
474	{0x3774, 0x1f},
475	{0x3776, 0x06},
476	{0x37a0, 0x88},
477	{0x37a1, 0x5c},
478	{0x37a7, 0x88},
479	{0x37a8, 0x70},
480	{0x37aa, 0x88},
481	{0x37ab, 0x48},
482	{0x37b3, 0x66},
483	{0x37c2, 0x04},
484	{0x37c5, 0x00},
485	{0x37c8, 0x00},
486	{0x3800, 0x00},
487	{0x3801, 0x0c},
488	{0x3802, 0x00},
489	{0x3803, 0x04},
490	{0x3804, 0x0a},
491	{0x3805, 0x33},
492	{0x3806, 0x07},
493	{0x3807, 0xa3},
494	{0x3808, 0x05},
495	{0x3809, 0x10},
496	{0x380a, 0x03},
497	{0x380b, 0xcc},
498	{0x380c, 0x06},
499	{0x380d, 0x90},
500	{0x380e, 0x08},
501	{0x380f, 0x08},
502	{0x3811, 0x04},
503	{0x3813, 0x04},
504	{0x3814, 0x03},
505	{0x3815, 0x01},
506	{0x3816, 0x00},
507	{0x3817, 0x00},
508	{0x3818, 0x00},
509	{0x3819, 0x00},
510	{0x3820, 0x94},
511	{0x3821, 0x47},
512	{0x3822, 0x48},
513	{0x3826, 0x00},
514	{0x3827, 0x08},
515	{0x382a, 0x03},
516	{0x382b, 0x01},
517	{0x3830, 0x08},
518	{0x3836, 0x02},
519	{0x3837, 0x00},
520	{0x3838, 0x10},
521	{0x3841, 0xff},
522	{0x3846, 0x48},
523	{0x3861, 0x00},
524	{0x3862, 0x04},
525	{0x3863, 0x06},
526	{0x3a11, 0x01},
527	{0x3a12, 0x78},
528	{0x3b00, 0x00},
529	{0x3b02, 0x00},
530	{0x3b03, 0x00},
531	{0x3b04, 0x00},
532	{0x3b05, 0x00},
533	{0x3c00, 0x89},
534	{0x3c01, 0xab},
535	{0x3c02, 0x01},
536	{0x3c03, 0x00},
537	{0x3c04, 0x00},
538	{0x3c05, 0x03},
539	{0x3c06, 0x00},
540	{0x3c07, 0x05},
541	{0x3c0c, 0x00},
542	{0x3c0d, 0x00},
543	{0x3c0e, 0x00},
544	{0x3c0f, 0x00},
545	{0x3c40, 0x00},
546	{0x3c41, 0xa3},
547	{0x3c43, 0x7d},
548	{0x3c45, 0xd7},
549	{0x3c47, 0xfc},
550	{0x3c50, 0x05},
551	{0x3c52, 0xaa},
552	{0x3c54, 0x71},
553	{0x3c56, 0x80},
554	{0x3d85, 0x17},
555	{0x3f03, 0x00},
556	{0x3f0a, 0x00},
557	{0x3f0b, 0x00},
558	{0x4001, 0x60},
559	{0x4009, 0x05},
560	{0x4020, 0x00},
561	{0x4021, 0x00},
562	{0x4022, 0x00},
563	{0x4023, 0x00},
564	{0x4024, 0x00},
565	{0x4025, 0x00},
566	{0x4026, 0x00},
567	{0x4027, 0x00},
568	{0x4028, 0x00},
569	{0x4029, 0x00},
570	{0x402a, 0x00},
571	{0x402b, 0x00},
572	{0x402c, 0x00},
573	{0x402d, 0x00},
574	{0x402e, 0x00},
575	{0x402f, 0x00},
576	{0x4040, 0x00},
577	{0x4041, 0x03},
578	{0x4042, 0x00},
579	{0x4043, 0x7A},
580	{0x4044, 0x00},
581	{0x4045, 0x7A},
582	{0x4046, 0x00},
583	{0x4047, 0x7A},
584	{0x4048, 0x00},
585	{0x4049, 0x7A},
586	{0x4307, 0x30},
587	{0x4500, 0x58},
588	{0x4501, 0x04},
589	{0x4502, 0x48},
590	{0x4503, 0x10},
591	{0x4508, 0x55},
592	{0x4509, 0x55},
593	{0x450a, 0x00},
594	{0x450b, 0x00},
595	{0x4600, 0x00},
596	{0x4601, 0x81},
597	{0x4700, 0xa4},
598	{0x4800, 0x4c},
599	{0x4816, 0x53},
600	{0x481f, 0x40},
601	{0x4837, 0x13},
602	{0x5000, 0x56},
603	{0x5001, 0x01},
604	{0x5002, 0x28},
605	{0x5004, 0x0c},
606	{0x5006, 0x0c},
607	{0x5007, 0xe0},
608	{0x5008, 0x01},
609	{0x5009, 0xb0},
610	{0x5901, 0x00},
611	{0x5a01, 0x00},
612	{0x5a03, 0x00},
613	{0x5a04, 0x0c},
614	{0x5a05, 0xe0},
615	{0x5a06, 0x09},
616	{0x5a07, 0xb0},
617	{0x5a08, 0x06},
618	{0x5e00, 0x00},
619	{0x3734, 0x40},
620	{0x5b00, 0x01},
621	{0x5b01, 0x10},
622	{0x5b02, 0x01},
623	{0x5b03, 0xdb},
624	{0x3d8c, 0x71},
625	{0x3d8d, 0xea},
626	{0x4017, 0x10},
627	{0x3618, 0x2a},
628	{0x5780, 0x3e},
629	{0x5781, 0x0f},
630	{0x5782, 0x44},
631	{0x5783, 0x02},
632	{0x5784, 0x01},
633	{0x5785, 0x01},
634	{0x5786, 0x00},
635	{0x5787, 0x04},
636	{0x5788, 0x02},
637	{0x5789, 0x0f},
638	{0x578a, 0xfd},
639	{0x578b, 0xf5},
640	{0x578c, 0xf5},
641	{0x578d, 0x03},
642	{0x578e, 0x08},
643	{0x578f, 0x0c},
644	{0x5790, 0x08},
645	{0x5791, 0x04},
646	{0x5792, 0x00},
647	{0x5793, 0x52},
648	{0x5794, 0xa3},
649	{0x3503, 0x00},
650	{0x5045, 0x05},
651	{0x4003, 0x40},
652	{0x5048, 0x40}
653};
654
655static const struct ov5670_reg mode_648x486_regs[] = {
656	{0x3000, 0x00},
657	{0x3002, 0x21},
658	{0x3005, 0xf0},
659	{0x3007, 0x00},
660	{0x3015, 0x0f},
661	{0x3018, 0x32},
662	{0x301a, 0xf0},
663	{0x301b, 0xf0},
664	{0x301c, 0xf0},
665	{0x301d, 0xf0},
666	{0x301e, 0xf0},
667	{0x3030, 0x00},
668	{0x3031, 0x0a},
669	{0x303c, 0xff},
670	{0x303e, 0xff},
671	{0x3040, 0xf0},
672	{0x3041, 0x00},
673	{0x3042, 0xf0},
674	{0x3106, 0x11},
675	{0x3500, 0x00},
676	{0x3501, 0x80},
677	{0x3502, 0x00},
678	{0x3503, 0x04},
679	{0x3504, 0x03},
680	{0x3505, 0x83},
681	{0x3508, 0x04},
682	{0x3509, 0x00},
683	{0x350e, 0x04},
684	{0x350f, 0x00},
685	{0x3510, 0x00},
686	{0x3511, 0x02},
687	{0x3512, 0x00},
688	{0x3601, 0xc8},
689	{0x3610, 0x88},
690	{0x3612, 0x48},
691	{0x3614, 0x5b},
692	{0x3615, 0x96},
693	{0x3621, 0xd0},
694	{0x3622, 0x00},
695	{0x3623, 0x04},
696	{0x3633, 0x13},
697	{0x3634, 0x13},
698	{0x3635, 0x13},
699	{0x3636, 0x13},
700	{0x3645, 0x13},
701	{0x3646, 0x82},
702	{0x3650, 0x00},
703	{0x3652, 0xff},
704	{0x3655, 0x20},
705	{0x3656, 0xff},
706	{0x365a, 0xff},
707	{0x365e, 0xff},
708	{0x3668, 0x00},
709	{0x366a, 0x07},
710	{0x366e, 0x08},
711	{0x366d, 0x00},
712	{0x366f, 0x80},
713	{0x3700, 0x28},
714	{0x3701, 0x10},
715	{0x3702, 0x3a},
716	{0x3703, 0x19},
717	{0x3704, 0x10},
718	{0x3705, 0x00},
719	{0x3706, 0x66},
720	{0x3707, 0x08},
721	{0x3708, 0x34},
722	{0x3709, 0x40},
723	{0x370a, 0x01},
724	{0x370b, 0x1b},
725	{0x3714, 0x24},
726	{0x371a, 0x3e},
727	{0x3733, 0x00},
728	{0x3734, 0x00},
729	{0x373a, 0x05},
730	{0x373b, 0x06},
731	{0x373c, 0x0a},
732	{0x373f, 0xa0},
733	{0x3755, 0x00},
734	{0x3758, 0x00},
735	{0x375b, 0x0e},
736	{0x3766, 0x5f},
737	{0x3768, 0x00},
738	{0x3769, 0x22},
739	{0x3773, 0x08},
740	{0x3774, 0x1f},
741	{0x3776, 0x06},
742	{0x37a0, 0x88},
743	{0x37a1, 0x5c},
744	{0x37a7, 0x88},
745	{0x37a8, 0x70},
746	{0x37aa, 0x88},
747	{0x37ab, 0x48},
748	{0x37b3, 0x66},
749	{0x37c2, 0x04},
750	{0x37c5, 0x00},
751	{0x37c8, 0x00},
752	{0x3800, 0x00},
753	{0x3801, 0x0c},
754	{0x3802, 0x00},
755	{0x3803, 0x04},
756	{0x3804, 0x0a},
757	{0x3805, 0x33},
758	{0x3806, 0x07},
759	{0x3807, 0xa3},
760	{0x3808, 0x02},
761	{0x3809, 0x88},
762	{0x380a, 0x01},
763	{0x380b, 0xe6},
764	{0x380c, 0x06},
765	{0x380d, 0x90},
766	{0x380e, 0x08},
767	{0x380f, 0x08},
768	{0x3811, 0x04},
769	{0x3813, 0x02},
770	{0x3814, 0x07},
771	{0x3815, 0x01},
772	{0x3816, 0x00},
773	{0x3817, 0x00},
774	{0x3818, 0x00},
775	{0x3819, 0x00},
776	{0x3820, 0x94},
777	{0x3821, 0xc6},
778	{0x3822, 0x48},
779	{0x3826, 0x00},
780	{0x3827, 0x08},
781	{0x382a, 0x07},
782	{0x382b, 0x01},
783	{0x3830, 0x08},
784	{0x3836, 0x02},
785	{0x3837, 0x00},
786	{0x3838, 0x10},
787	{0x3841, 0xff},
788	{0x3846, 0x48},
789	{0x3861, 0x00},
790	{0x3862, 0x04},
791	{0x3863, 0x06},
792	{0x3a11, 0x01},
793	{0x3a12, 0x78},
794	{0x3b00, 0x00},
795	{0x3b02, 0x00},
796	{0x3b03, 0x00},
797	{0x3b04, 0x00},
798	{0x3b05, 0x00},
799	{0x3c00, 0x89},
800	{0x3c01, 0xab},
801	{0x3c02, 0x01},
802	{0x3c03, 0x00},
803	{0x3c04, 0x00},
804	{0x3c05, 0x03},
805	{0x3c06, 0x00},
806	{0x3c07, 0x05},
807	{0x3c0c, 0x00},
808	{0x3c0d, 0x00},
809	{0x3c0e, 0x00},
810	{0x3c0f, 0x00},
811	{0x3c40, 0x00},
812	{0x3c41, 0xa3},
813	{0x3c43, 0x7d},
814	{0x3c45, 0xd7},
815	{0x3c47, 0xfc},
816	{0x3c50, 0x05},
817	{0x3c52, 0xaa},
818	{0x3c54, 0x71},
819	{0x3c56, 0x80},
820	{0x3d85, 0x17},
821	{0x3f03, 0x00},
822	{0x3f0a, 0x00},
823	{0x3f0b, 0x00},
824	{0x4001, 0x60},
825	{0x4009, 0x05},
826	{0x4020, 0x00},
827	{0x4021, 0x00},
828	{0x4022, 0x00},
829	{0x4023, 0x00},
830	{0x4024, 0x00},
831	{0x4025, 0x00},
832	{0x4026, 0x00},
833	{0x4027, 0x00},
834	{0x4028, 0x00},
835	{0x4029, 0x00},
836	{0x402a, 0x00},
837	{0x402b, 0x00},
838	{0x402c, 0x00},
839	{0x402d, 0x00},
840	{0x402e, 0x00},
841	{0x402f, 0x00},
842	{0x4040, 0x00},
843	{0x4041, 0x03},
844	{0x4042, 0x00},
845	{0x4043, 0x7A},
846	{0x4044, 0x00},
847	{0x4045, 0x7A},
848	{0x4046, 0x00},
849	{0x4047, 0x7A},
850	{0x4048, 0x00},
851	{0x4049, 0x7A},
852	{0x4307, 0x30},
853	{0x4500, 0x58},
854	{0x4501, 0x04},
855	{0x4502, 0x40},
856	{0x4503, 0x10},
857	{0x4508, 0x55},
858	{0x4509, 0x55},
859	{0x450a, 0x02},
860	{0x450b, 0x00},
861	{0x4600, 0x00},
862	{0x4601, 0x40},
863	{0x4700, 0xa4},
864	{0x4800, 0x4c},
865	{0x4816, 0x53},
866	{0x481f, 0x40},
867	{0x4837, 0x13},
868	{0x5000, 0x56},
869	{0x5001, 0x01},
870	{0x5002, 0x28},
871	{0x5004, 0x0c},
872	{0x5006, 0x0c},
873	{0x5007, 0xe0},
874	{0x5008, 0x01},
875	{0x5009, 0xb0},
876	{0x5901, 0x00},
877	{0x5a01, 0x00},
878	{0x5a03, 0x00},
879	{0x5a04, 0x0c},
880	{0x5a05, 0xe0},
881	{0x5a06, 0x09},
882	{0x5a07, 0xb0},
883	{0x5a08, 0x06},
884	{0x5e00, 0x00},
885	{0x3734, 0x40},
886	{0x5b00, 0x01},
887	{0x5b01, 0x10},
888	{0x5b02, 0x01},
889	{0x5b03, 0xdb},
890	{0x3d8c, 0x71},
891	{0x3d8d, 0xea},
892	{0x4017, 0x10},
893	{0x3618, 0x2a},
894	{0x5780, 0x3e},
895	{0x5781, 0x0f},
896	{0x5782, 0x44},
897	{0x5783, 0x02},
898	{0x5784, 0x01},
899	{0x5785, 0x01},
900	{0x5786, 0x00},
901	{0x5787, 0x04},
902	{0x5788, 0x02},
903	{0x5789, 0x0f},
904	{0x578a, 0xfd},
905	{0x578b, 0xf5},
906	{0x578c, 0xf5},
907	{0x578d, 0x03},
908	{0x578e, 0x08},
909	{0x578f, 0x0c},
910	{0x5790, 0x08},
911	{0x5791, 0x06},
912	{0x5792, 0x00},
913	{0x5793, 0x52},
914	{0x5794, 0xa3},
915	{0x3503, 0x00},
916	{0x5045, 0x05},
917	{0x4003, 0x40},
918	{0x5048, 0x40}
919};
920
921static const struct ov5670_reg mode_2560x1440_regs[] = {
922	{0x3000, 0x00},
923	{0x3002, 0x21},
924	{0x3005, 0xf0},
925	{0x3007, 0x00},
926	{0x3015, 0x0f},
927	{0x3018, 0x32},
928	{0x301a, 0xf0},
929	{0x301b, 0xf0},
930	{0x301c, 0xf0},
931	{0x301d, 0xf0},
932	{0x301e, 0xf0},
933	{0x3030, 0x00},
934	{0x3031, 0x0a},
935	{0x303c, 0xff},
936	{0x303e, 0xff},
937	{0x3040, 0xf0},
938	{0x3041, 0x00},
939	{0x3042, 0xf0},
940	{0x3106, 0x11},
941	{0x3500, 0x00},
942	{0x3501, 0x80},
943	{0x3502, 0x00},
944	{0x3503, 0x04},
945	{0x3504, 0x03},
946	{0x3505, 0x83},
947	{0x3508, 0x04},
948	{0x3509, 0x00},
949	{0x350e, 0x04},
950	{0x350f, 0x00},
951	{0x3510, 0x00},
952	{0x3511, 0x02},
953	{0x3512, 0x00},
954	{0x3601, 0xc8},
955	{0x3610, 0x88},
956	{0x3612, 0x48},
957	{0x3614, 0x5b},
958	{0x3615, 0x96},
959	{0x3621, 0xd0},
960	{0x3622, 0x00},
961	{0x3623, 0x00},
962	{0x3633, 0x13},
963	{0x3634, 0x13},
964	{0x3635, 0x13},
965	{0x3636, 0x13},
966	{0x3645, 0x13},
967	{0x3646, 0x82},
968	{0x3650, 0x00},
969	{0x3652, 0xff},
970	{0x3655, 0x20},
971	{0x3656, 0xff},
972	{0x365a, 0xff},
973	{0x365e, 0xff},
974	{0x3668, 0x00},
975	{0x366a, 0x07},
976	{0x366e, 0x10},
977	{0x366d, 0x00},
978	{0x366f, 0x80},
979	{0x3700, 0x28},
980	{0x3701, 0x10},
981	{0x3702, 0x3a},
982	{0x3703, 0x19},
983	{0x3704, 0x10},
984	{0x3705, 0x00},
985	{0x3706, 0x66},
986	{0x3707, 0x08},
987	{0x3708, 0x34},
988	{0x3709, 0x40},
989	{0x370a, 0x01},
990	{0x370b, 0x1b},
991	{0x3714, 0x24},
992	{0x371a, 0x3e},
993	{0x3733, 0x00},
994	{0x3734, 0x00},
995	{0x373a, 0x05},
996	{0x373b, 0x06},
997	{0x373c, 0x0a},
998	{0x373f, 0xa0},
999	{0x3755, 0x00},
1000	{0x3758, 0x00},
1001	{0x375b, 0x0e},
1002	{0x3766, 0x5f},
1003	{0x3768, 0x00},
1004	{0x3769, 0x22},
1005	{0x3773, 0x08},
1006	{0x3774, 0x1f},
1007	{0x3776, 0x06},
1008	{0x37a0, 0x88},
1009	{0x37a1, 0x5c},
1010	{0x37a7, 0x88},
1011	{0x37a8, 0x70},
1012	{0x37aa, 0x88},
1013	{0x37ab, 0x48},
1014	{0x37b3, 0x66},
1015	{0x37c2, 0x04},
1016	{0x37c5, 0x00},
1017	{0x37c8, 0x00},
1018	{0x3800, 0x00},
1019	{0x3801, 0x0c},
1020	{0x3802, 0x00},
1021	{0x3803, 0x04},
1022	{0x3804, 0x0a},
1023	{0x3805, 0x33},
1024	{0x3806, 0x07},
1025	{0x3807, 0xa3},
1026	{0x3808, 0x0a},
1027	{0x3809, 0x00},
1028	{0x380a, 0x05},
1029	{0x380b, 0xa0},
1030	{0x380c, 0x06},
1031	{0x380d, 0x90},
1032	{0x380e, 0x08},
1033	{0x380f, 0x08},
1034	{0x3811, 0x04},
1035	{0x3813, 0x02},
1036	{0x3814, 0x01},
1037	{0x3815, 0x01},
1038	{0x3816, 0x00},
1039	{0x3817, 0x00},
1040	{0x3818, 0x00},
1041	{0x3819, 0x00},
1042	{0x3820, 0x84},
1043	{0x3821, 0x46},
1044	{0x3822, 0x48},
1045	{0x3826, 0x00},
1046	{0x3827, 0x08},
1047	{0x382a, 0x01},
1048	{0x382b, 0x01},
1049	{0x3830, 0x08},
1050	{0x3836, 0x02},
1051	{0x3837, 0x00},
1052	{0x3838, 0x10},
1053	{0x3841, 0xff},
1054	{0x3846, 0x48},
1055	{0x3861, 0x00},
1056	{0x3862, 0x04},
1057	{0x3863, 0x06},
1058	{0x3a11, 0x01},
1059	{0x3a12, 0x78},
1060	{0x3b00, 0x00},
1061	{0x3b02, 0x00},
1062	{0x3b03, 0x00},
1063	{0x3b04, 0x00},
1064	{0x3b05, 0x00},
1065	{0x3c00, 0x89},
1066	{0x3c01, 0xab},
1067	{0x3c02, 0x01},
1068	{0x3c03, 0x00},
1069	{0x3c04, 0x00},
1070	{0x3c05, 0x03},
1071	{0x3c06, 0x00},
1072	{0x3c07, 0x05},
1073	{0x3c0c, 0x00},
1074	{0x3c0d, 0x00},
1075	{0x3c0e, 0x00},
1076	{0x3c0f, 0x00},
1077	{0x3c40, 0x00},
1078	{0x3c41, 0xa3},
1079	{0x3c43, 0x7d},
1080	{0x3c45, 0xd7},
1081	{0x3c47, 0xfc},
1082	{0x3c50, 0x05},
1083	{0x3c52, 0xaa},
1084	{0x3c54, 0x71},
1085	{0x3c56, 0x80},
1086	{0x3d85, 0x17},
1087	{0x3f03, 0x00},
1088	{0x3f0a, 0x00},
1089	{0x3f0b, 0x00},
1090	{0x4001, 0x60},
1091	{0x4009, 0x0d},
1092	{0x4020, 0x00},
1093	{0x4021, 0x00},
1094	{0x4022, 0x00},
1095	{0x4023, 0x00},
1096	{0x4024, 0x00},
1097	{0x4025, 0x00},
1098	{0x4026, 0x00},
1099	{0x4027, 0x00},
1100	{0x4028, 0x00},
1101	{0x4029, 0x00},
1102	{0x402a, 0x00},
1103	{0x402b, 0x00},
1104	{0x402c, 0x00},
1105	{0x402d, 0x00},
1106	{0x402e, 0x00},
1107	{0x402f, 0x00},
1108	{0x4040, 0x00},
1109	{0x4041, 0x03},
1110	{0x4042, 0x00},
1111	{0x4043, 0x7A},
1112	{0x4044, 0x00},
1113	{0x4045, 0x7A},
1114	{0x4046, 0x00},
1115	{0x4047, 0x7A},
1116	{0x4048, 0x00},
1117	{0x4049, 0x7A},
1118	{0x4307, 0x30},
1119	{0x4500, 0x58},
1120	{0x4501, 0x04},
1121	{0x4502, 0x40},
1122	{0x4503, 0x10},
1123	{0x4508, 0xaa},
1124	{0x4509, 0xaa},
1125	{0x450a, 0x00},
1126	{0x450b, 0x00},
1127	{0x4600, 0x01},
1128	{0x4601, 0x00},
1129	{0x4700, 0xa4},
1130	{0x4800, 0x4c},
1131	{0x4816, 0x53},
1132	{0x481f, 0x40},
1133	{0x4837, 0x13},
1134	{0x5000, 0x56},
1135	{0x5001, 0x01},
1136	{0x5002, 0x28},
1137	{0x5004, 0x0c},
1138	{0x5006, 0x0c},
1139	{0x5007, 0xe0},
1140	{0x5008, 0x01},
1141	{0x5009, 0xb0},
1142	{0x5901, 0x00},
1143	{0x5a01, 0x00},
1144	{0x5a03, 0x00},
1145	{0x5a04, 0x0c},
1146	{0x5a05, 0xe0},
1147	{0x5a06, 0x09},
1148	{0x5a07, 0xb0},
1149	{0x5a08, 0x06},
1150	{0x5e00, 0x00},
1151	{0x3734, 0x40},
1152	{0x5b00, 0x01},
1153	{0x5b01, 0x10},
1154	{0x5b02, 0x01},
1155	{0x5b03, 0xdb},
1156	{0x3d8c, 0x71},
1157	{0x3d8d, 0xea},
1158	{0x4017, 0x08},
1159	{0x3618, 0x2a},
1160	{0x5780, 0x3e},
1161	{0x5781, 0x0f},
1162	{0x5782, 0x44},
1163	{0x5783, 0x02},
1164	{0x5784, 0x01},
1165	{0x5785, 0x01},
1166	{0x5786, 0x00},
1167	{0x5787, 0x04},
1168	{0x5788, 0x02},
1169	{0x5789, 0x0f},
1170	{0x578a, 0xfd},
1171	{0x578b, 0xf5},
1172	{0x578c, 0xf5},
1173	{0x578d, 0x03},
1174	{0x578e, 0x08},
1175	{0x578f, 0x0c},
1176	{0x5790, 0x08},
1177	{0x5791, 0x06},
1178	{0x5792, 0x00},
1179	{0x5793, 0x52},
1180	{0x5794, 0xa3},
1181	{0x5045, 0x05},
1182	{0x4003, 0x40},
1183	{0x5048, 0x40}
1184};
1185
1186static const struct ov5670_reg mode_1280x720_regs[] = {
1187	{0x3000, 0x00},
1188	{0x3002, 0x21},
1189	{0x3005, 0xf0},
1190	{0x3007, 0x00},
1191	{0x3015, 0x0f},
1192	{0x3018, 0x32},
1193	{0x301a, 0xf0},
1194	{0x301b, 0xf0},
1195	{0x301c, 0xf0},
1196	{0x301d, 0xf0},
1197	{0x301e, 0xf0},
1198	{0x3030, 0x00},
1199	{0x3031, 0x0a},
1200	{0x303c, 0xff},
1201	{0x303e, 0xff},
1202	{0x3040, 0xf0},
1203	{0x3041, 0x00},
1204	{0x3042, 0xf0},
1205	{0x3106, 0x11},
1206	{0x3500, 0x00},
1207	{0x3501, 0x80},
1208	{0x3502, 0x00},
1209	{0x3503, 0x04},
1210	{0x3504, 0x03},
1211	{0x3505, 0x83},
1212	{0x3508, 0x04},
1213	{0x3509, 0x00},
1214	{0x350e, 0x04},
1215	{0x350f, 0x00},
1216	{0x3510, 0x00},
1217	{0x3511, 0x02},
1218	{0x3512, 0x00},
1219	{0x3601, 0xc8},
1220	{0x3610, 0x88},
1221	{0x3612, 0x48},
1222	{0x3614, 0x5b},
1223	{0x3615, 0x96},
1224	{0x3621, 0xd0},
1225	{0x3622, 0x00},
1226	{0x3623, 0x00},
1227	{0x3633, 0x13},
1228	{0x3634, 0x13},
1229	{0x3635, 0x13},
1230	{0x3636, 0x13},
1231	{0x3645, 0x13},
1232	{0x3646, 0x82},
1233	{0x3650, 0x00},
1234	{0x3652, 0xff},
1235	{0x3655, 0x20},
1236	{0x3656, 0xff},
1237	{0x365a, 0xff},
1238	{0x365e, 0xff},
1239	{0x3668, 0x00},
1240	{0x366a, 0x07},
1241	{0x366e, 0x08},
1242	{0x366d, 0x00},
1243	{0x366f, 0x80},
1244	{0x3700, 0x28},
1245	{0x3701, 0x10},
1246	{0x3702, 0x3a},
1247	{0x3703, 0x19},
1248	{0x3704, 0x10},
1249	{0x3705, 0x00},
1250	{0x3706, 0x66},
1251	{0x3707, 0x08},
1252	{0x3708, 0x34},
1253	{0x3709, 0x40},
1254	{0x370a, 0x01},
1255	{0x370b, 0x1b},
1256	{0x3714, 0x24},
1257	{0x371a, 0x3e},
1258	{0x3733, 0x00},
1259	{0x3734, 0x00},
1260	{0x373a, 0x05},
1261	{0x373b, 0x06},
1262	{0x373c, 0x0a},
1263	{0x373f, 0xa0},
1264	{0x3755, 0x00},
1265	{0x3758, 0x00},
1266	{0x375b, 0x0e},
1267	{0x3766, 0x5f},
1268	{0x3768, 0x00},
1269	{0x3769, 0x22},
1270	{0x3773, 0x08},
1271	{0x3774, 0x1f},
1272	{0x3776, 0x06},
1273	{0x37a0, 0x88},
1274	{0x37a1, 0x5c},
1275	{0x37a7, 0x88},
1276	{0x37a8, 0x70},
1277	{0x37aa, 0x88},
1278	{0x37ab, 0x48},
1279	{0x37b3, 0x66},
1280	{0x37c2, 0x04},
1281	{0x37c5, 0x00},
1282	{0x37c8, 0x00},
1283	{0x3800, 0x00},
1284	{0x3801, 0x0c},
1285	{0x3802, 0x00},
1286	{0x3803, 0x04},
1287	{0x3804, 0x0a},
1288	{0x3805, 0x33},
1289	{0x3806, 0x07},
1290	{0x3807, 0xa3},
1291	{0x3808, 0x05},
1292	{0x3809, 0x00},
1293	{0x380a, 0x02},
1294	{0x380b, 0xd0},
1295	{0x380c, 0x06},
1296	{0x380d, 0x90},
1297	{0x380e, 0x08},
1298	{0x380f, 0x08},
1299	{0x3811, 0x04},
1300	{0x3813, 0x02},
1301	{0x3814, 0x03},
1302	{0x3815, 0x01},
1303	{0x3816, 0x00},
1304	{0x3817, 0x00},
1305	{0x3818, 0x00},
1306	{0x3819, 0x00},
1307	{0x3820, 0x94},
1308	{0x3821, 0x47},
1309	{0x3822, 0x48},
1310	{0x3826, 0x00},
1311	{0x3827, 0x08},
1312	{0x382a, 0x03},
1313	{0x382b, 0x01},
1314	{0x3830, 0x08},
1315	{0x3836, 0x02},
1316	{0x3837, 0x00},
1317	{0x3838, 0x10},
1318	{0x3841, 0xff},
1319	{0x3846, 0x48},
1320	{0x3861, 0x00},
1321	{0x3862, 0x04},
1322	{0x3863, 0x06},
1323	{0x3a11, 0x01},
1324	{0x3a12, 0x78},
1325	{0x3b00, 0x00},
1326	{0x3b02, 0x00},
1327	{0x3b03, 0x00},
1328	{0x3b04, 0x00},
1329	{0x3b05, 0x00},
1330	{0x3c00, 0x89},
1331	{0x3c01, 0xab},
1332	{0x3c02, 0x01},
1333	{0x3c03, 0x00},
1334	{0x3c04, 0x00},
1335	{0x3c05, 0x03},
1336	{0x3c06, 0x00},
1337	{0x3c07, 0x05},
1338	{0x3c0c, 0x00},
1339	{0x3c0d, 0x00},
1340	{0x3c0e, 0x00},
1341	{0x3c0f, 0x00},
1342	{0x3c40, 0x00},
1343	{0x3c41, 0xa3},
1344	{0x3c43, 0x7d},
1345	{0x3c45, 0xd7},
1346	{0x3c47, 0xfc},
1347	{0x3c50, 0x05},
1348	{0x3c52, 0xaa},
1349	{0x3c54, 0x71},
1350	{0x3c56, 0x80},
1351	{0x3d85, 0x17},
1352	{0x3f03, 0x00},
1353	{0x3f0a, 0x00},
1354	{0x3f0b, 0x00},
1355	{0x4001, 0x60},
1356	{0x4009, 0x05},
1357	{0x4020, 0x00},
1358	{0x4021, 0x00},
1359	{0x4022, 0x00},
1360	{0x4023, 0x00},
1361	{0x4024, 0x00},
1362	{0x4025, 0x00},
1363	{0x4026, 0x00},
1364	{0x4027, 0x00},
1365	{0x4028, 0x00},
1366	{0x4029, 0x00},
1367	{0x402a, 0x00},
1368	{0x402b, 0x00},
1369	{0x402c, 0x00},
1370	{0x402d, 0x00},
1371	{0x402e, 0x00},
1372	{0x402f, 0x00},
1373	{0x4040, 0x00},
1374	{0x4041, 0x03},
1375	{0x4042, 0x00},
1376	{0x4043, 0x7A},
1377	{0x4044, 0x00},
1378	{0x4045, 0x7A},
1379	{0x4046, 0x00},
1380	{0x4047, 0x7A},
1381	{0x4048, 0x00},
1382	{0x4049, 0x7A},
1383	{0x4307, 0x30},
1384	{0x4500, 0x58},
1385	{0x4501, 0x04},
1386	{0x4502, 0x48},
1387	{0x4503, 0x10},
1388	{0x4508, 0x55},
1389	{0x4509, 0x55},
1390	{0x450a, 0x00},
1391	{0x450b, 0x00},
1392	{0x4600, 0x00},
1393	{0x4601, 0x80},
1394	{0x4700, 0xa4},
1395	{0x4800, 0x4c},
1396	{0x4816, 0x53},
1397	{0x481f, 0x40},
1398	{0x4837, 0x13},
1399	{0x5000, 0x56},
1400	{0x5001, 0x01},
1401	{0x5002, 0x28},
1402	{0x5004, 0x0c},
1403	{0x5006, 0x0c},
1404	{0x5007, 0xe0},
1405	{0x5008, 0x01},
1406	{0x5009, 0xb0},
1407	{0x5901, 0x00},
1408	{0x5a01, 0x00},
1409	{0x5a03, 0x00},
1410	{0x5a04, 0x0c},
1411	{0x5a05, 0xe0},
1412	{0x5a06, 0x09},
1413	{0x5a07, 0xb0},
1414	{0x5a08, 0x06},
1415	{0x5e00, 0x00},
1416	{0x3734, 0x40},
1417	{0x5b00, 0x01},
1418	{0x5b01, 0x10},
1419	{0x5b02, 0x01},
1420	{0x5b03, 0xdb},
1421	{0x3d8c, 0x71},
1422	{0x3d8d, 0xea},
1423	{0x4017, 0x10},
1424	{0x3618, 0x2a},
1425	{0x5780, 0x3e},
1426	{0x5781, 0x0f},
1427	{0x5782, 0x44},
1428	{0x5783, 0x02},
1429	{0x5784, 0x01},
1430	{0x5785, 0x01},
1431	{0x5786, 0x00},
1432	{0x5787, 0x04},
1433	{0x5788, 0x02},
1434	{0x5789, 0x0f},
1435	{0x578a, 0xfd},
1436	{0x578b, 0xf5},
1437	{0x578c, 0xf5},
1438	{0x578d, 0x03},
1439	{0x578e, 0x08},
1440	{0x578f, 0x0c},
1441	{0x5790, 0x08},
1442	{0x5791, 0x06},
1443	{0x5792, 0x00},
1444	{0x5793, 0x52},
1445	{0x5794, 0xa3},
1446	{0x3503, 0x00},
1447	{0x5045, 0x05},
1448	{0x4003, 0x40},
1449	{0x5048, 0x40}
1450};
1451
1452static const struct ov5670_reg mode_640x360_regs[] = {
1453	{0x3000, 0x00},
1454	{0x3002, 0x21},
1455	{0x3005, 0xf0},
1456	{0x3007, 0x00},
1457	{0x3015, 0x0f},
1458	{0x3018, 0x32},
1459	{0x301a, 0xf0},
1460	{0x301b, 0xf0},
1461	{0x301c, 0xf0},
1462	{0x301d, 0xf0},
1463	{0x301e, 0xf0},
1464	{0x3030, 0x00},
1465	{0x3031, 0x0a},
1466	{0x303c, 0xff},
1467	{0x303e, 0xff},
1468	{0x3040, 0xf0},
1469	{0x3041, 0x00},
1470	{0x3042, 0xf0},
1471	{0x3106, 0x11},
1472	{0x3500, 0x00},
1473	{0x3501, 0x80},
1474	{0x3502, 0x00},
1475	{0x3503, 0x04},
1476	{0x3504, 0x03},
1477	{0x3505, 0x83},
1478	{0x3508, 0x04},
1479	{0x3509, 0x00},
1480	{0x350e, 0x04},
1481	{0x350f, 0x00},
1482	{0x3510, 0x00},
1483	{0x3511, 0x02},
1484	{0x3512, 0x00},
1485	{0x3601, 0xc8},
1486	{0x3610, 0x88},
1487	{0x3612, 0x48},
1488	{0x3614, 0x5b},
1489	{0x3615, 0x96},
1490	{0x3621, 0xd0},
1491	{0x3622, 0x00},
1492	{0x3623, 0x04},
1493	{0x3633, 0x13},
1494	{0x3634, 0x13},
1495	{0x3635, 0x13},
1496	{0x3636, 0x13},
1497	{0x3645, 0x13},
1498	{0x3646, 0x82},
1499	{0x3650, 0x00},
1500	{0x3652, 0xff},
1501	{0x3655, 0x20},
1502	{0x3656, 0xff},
1503	{0x365a, 0xff},
1504	{0x365e, 0xff},
1505	{0x3668, 0x00},
1506	{0x366a, 0x07},
1507	{0x366e, 0x08},
1508	{0x366d, 0x00},
1509	{0x366f, 0x80},
1510	{0x3700, 0x28},
1511	{0x3701, 0x10},
1512	{0x3702, 0x3a},
1513	{0x3703, 0x19},
1514	{0x3704, 0x10},
1515	{0x3705, 0x00},
1516	{0x3706, 0x66},
1517	{0x3707, 0x08},
1518	{0x3708, 0x34},
1519	{0x3709, 0x40},
1520	{0x370a, 0x01},
1521	{0x370b, 0x1b},
1522	{0x3714, 0x24},
1523	{0x371a, 0x3e},
1524	{0x3733, 0x00},
1525	{0x3734, 0x00},
1526	{0x373a, 0x05},
1527	{0x373b, 0x06},
1528	{0x373c, 0x0a},
1529	{0x373f, 0xa0},
1530	{0x3755, 0x00},
1531	{0x3758, 0x00},
1532	{0x375b, 0x0e},
1533	{0x3766, 0x5f},
1534	{0x3768, 0x00},
1535	{0x3769, 0x22},
1536	{0x3773, 0x08},
1537	{0x3774, 0x1f},
1538	{0x3776, 0x06},
1539	{0x37a0, 0x88},
1540	{0x37a1, 0x5c},
1541	{0x37a7, 0x88},
1542	{0x37a8, 0x70},
1543	{0x37aa, 0x88},
1544	{0x37ab, 0x48},
1545	{0x37b3, 0x66},
1546	{0x37c2, 0x04},
1547	{0x37c5, 0x00},
1548	{0x37c8, 0x00},
1549	{0x3800, 0x00},
1550	{0x3801, 0x0c},
1551	{0x3802, 0x00},
1552	{0x3803, 0x04},
1553	{0x3804, 0x0a},
1554	{0x3805, 0x33},
1555	{0x3806, 0x07},
1556	{0x3807, 0xa3},
1557	{0x3808, 0x02},
1558	{0x3809, 0x80},
1559	{0x380a, 0x01},
1560	{0x380b, 0x68},
1561	{0x380c, 0x06},
1562	{0x380d, 0x90},
1563	{0x380e, 0x08},
1564	{0x380f, 0x08},
1565	{0x3811, 0x04},
1566	{0x3813, 0x02},
1567	{0x3814, 0x07},
1568	{0x3815, 0x01},
1569	{0x3816, 0x00},
1570	{0x3817, 0x00},
1571	{0x3818, 0x00},
1572	{0x3819, 0x00},
1573	{0x3820, 0x94},
1574	{0x3821, 0xc6},
1575	{0x3822, 0x48},
1576	{0x3826, 0x00},
1577	{0x3827, 0x08},
1578	{0x382a, 0x07},
1579	{0x382b, 0x01},
1580	{0x3830, 0x08},
1581	{0x3836, 0x02},
1582	{0x3837, 0x00},
1583	{0x3838, 0x10},
1584	{0x3841, 0xff},
1585	{0x3846, 0x48},
1586	{0x3861, 0x00},
1587	{0x3862, 0x04},
1588	{0x3863, 0x06},
1589	{0x3a11, 0x01},
1590	{0x3a12, 0x78},
1591	{0x3b00, 0x00},
1592	{0x3b02, 0x00},
1593	{0x3b03, 0x00},
1594	{0x3b04, 0x00},
1595	{0x3b05, 0x00},
1596	{0x3c00, 0x89},
1597	{0x3c01, 0xab},
1598	{0x3c02, 0x01},
1599	{0x3c03, 0x00},
1600	{0x3c04, 0x00},
1601	{0x3c05, 0x03},
1602	{0x3c06, 0x00},
1603	{0x3c07, 0x05},
1604	{0x3c0c, 0x00},
1605	{0x3c0d, 0x00},
1606	{0x3c0e, 0x00},
1607	{0x3c0f, 0x00},
1608	{0x3c40, 0x00},
1609	{0x3c41, 0xa3},
1610	{0x3c43, 0x7d},
1611	{0x3c45, 0xd7},
1612	{0x3c47, 0xfc},
1613	{0x3c50, 0x05},
1614	{0x3c52, 0xaa},
1615	{0x3c54, 0x71},
1616	{0x3c56, 0x80},
1617	{0x3d85, 0x17},
1618	{0x3f03, 0x00},
1619	{0x3f0a, 0x00},
1620	{0x3f0b, 0x00},
1621	{0x4001, 0x60},
1622	{0x4009, 0x05},
1623	{0x4020, 0x00},
1624	{0x4021, 0x00},
1625	{0x4022, 0x00},
1626	{0x4023, 0x00},
1627	{0x4024, 0x00},
1628	{0x4025, 0x00},
1629	{0x4026, 0x00},
1630	{0x4027, 0x00},
1631	{0x4028, 0x00},
1632	{0x4029, 0x00},
1633	{0x402a, 0x00},
1634	{0x402b, 0x00},
1635	{0x402c, 0x00},
1636	{0x402d, 0x00},
1637	{0x402e, 0x00},
1638	{0x402f, 0x00},
1639	{0x4040, 0x00},
1640	{0x4041, 0x03},
1641	{0x4042, 0x00},
1642	{0x4043, 0x7A},
1643	{0x4044, 0x00},
1644	{0x4045, 0x7A},
1645	{0x4046, 0x00},
1646	{0x4047, 0x7A},
1647	{0x4048, 0x00},
1648	{0x4049, 0x7A},
1649	{0x4307, 0x30},
1650	{0x4500, 0x58},
1651	{0x4501, 0x04},
1652	{0x4502, 0x40},
1653	{0x4503, 0x10},
1654	{0x4508, 0x55},
1655	{0x4509, 0x55},
1656	{0x450a, 0x02},
1657	{0x450b, 0x00},
1658	{0x4600, 0x00},
1659	{0x4601, 0x40},
1660	{0x4700, 0xa4},
1661	{0x4800, 0x4c},
1662	{0x4816, 0x53},
1663	{0x481f, 0x40},
1664	{0x4837, 0x13},
1665	{0x5000, 0x56},
1666	{0x5001, 0x01},
1667	{0x5002, 0x28},
1668	{0x5004, 0x0c},
1669	{0x5006, 0x0c},
1670	{0x5007, 0xe0},
1671	{0x5008, 0x01},
1672	{0x5009, 0xb0},
1673	{0x5901, 0x00},
1674	{0x5a01, 0x00},
1675	{0x5a03, 0x00},
1676	{0x5a04, 0x0c},
1677	{0x5a05, 0xe0},
1678	{0x5a06, 0x09},
1679	{0x5a07, 0xb0},
1680	{0x5a08, 0x06},
1681	{0x5e00, 0x00},
1682	{0x3734, 0x40},
1683	{0x5b00, 0x01},
1684	{0x5b01, 0x10},
1685	{0x5b02, 0x01},
1686	{0x5b03, 0xdb},
1687	{0x3d8c, 0x71},
1688	{0x3d8d, 0xea},
1689	{0x4017, 0x10},
1690	{0x3618, 0x2a},
1691	{0x5780, 0x3e},
1692	{0x5781, 0x0f},
1693	{0x5782, 0x44},
1694	{0x5783, 0x02},
1695	{0x5784, 0x01},
1696	{0x5785, 0x01},
1697	{0x5786, 0x00},
1698	{0x5787, 0x04},
1699	{0x5788, 0x02},
1700	{0x5789, 0x0f},
1701	{0x578a, 0xfd},
1702	{0x578b, 0xf5},
1703	{0x578c, 0xf5},
1704	{0x578d, 0x03},
1705	{0x578e, 0x08},
1706	{0x578f, 0x0c},
1707	{0x5790, 0x08},
1708	{0x5791, 0x06},
1709	{0x5792, 0x00},
1710	{0x5793, 0x52},
1711	{0x5794, 0xa3},
1712	{0x3503, 0x00},
1713	{0x5045, 0x05},
1714	{0x4003, 0x40},
1715	{0x5048, 0x40}
1716};
1717
1718static const char * const ov5670_test_pattern_menu[] = {
1719	"Disabled",
1720	"Vertical Color Bar Type 1",
1721};
1722
1723/* Supported link frequencies */
1724#define OV5670_LINK_FREQ_422MHZ		422400000
1725#define OV5670_LINK_FREQ_422MHZ_INDEX	0
1726static const struct ov5670_link_freq_config link_freq_configs[] = {
1727	{
1728		/* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1729		.pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1730		.reg_list = {
1731			.num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1732			.regs = mipi_data_rate_840mbps,
1733		}
1734	}
1735};
1736
1737static const s64 link_freq_menu_items[] = {
1738	OV5670_LINK_FREQ_422MHZ
1739};
1740
1741/*
1742 * OV5670 sensor supports following resolutions with full FOV:
1743 * 4:3  ==> {2592x1944, 1296x972, 648x486}
1744 * 16:9 ==> {2560x1440, 1280x720, 640x360}
1745 */
1746static const struct ov5670_mode supported_modes[] = {
1747	{
1748		.width = 2592,
1749		.height = 1944,
1750		.vts_def = OV5670_VTS_30FPS,
1751		.vts_min = OV5670_VTS_30FPS,
1752		.reg_list = {
1753			.num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1754			.regs = mode_2592x1944_regs,
1755		},
1756		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1757	},
1758	{
1759		.width = 1296,
1760		.height = 972,
1761		.vts_def = OV5670_VTS_30FPS,
1762		.vts_min = 996,
1763		.reg_list = {
1764			.num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1765			.regs = mode_1296x972_regs,
1766		},
1767		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1768	},
1769	{
1770		.width = 648,
1771		.height = 486,
1772		.vts_def = OV5670_VTS_30FPS,
1773		.vts_min = 516,
1774		.reg_list = {
1775			.num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1776			.regs = mode_648x486_regs,
1777		},
1778		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1779	},
1780	{
1781		.width = 2560,
1782		.height = 1440,
1783		.vts_def = OV5670_VTS_30FPS,
1784		.vts_min = OV5670_VTS_30FPS,
1785		.reg_list = {
1786			.num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1787			.regs = mode_2560x1440_regs,
1788		},
1789		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1790	},
1791	{
1792		.width = 1280,
1793		.height = 720,
1794		.vts_def = OV5670_VTS_30FPS,
1795		.vts_min = 1020,
1796		.reg_list = {
1797			.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1798			.regs = mode_1280x720_regs,
1799		},
1800		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1801	},
1802	{
1803		.width = 640,
1804		.height = 360,
1805		.vts_def = OV5670_VTS_30FPS,
1806		.vts_min = 510,
1807		.reg_list = {
1808			.num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1809			.regs = mode_640x360_regs,
1810		},
1811		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1812	}
1813};
1814
1815struct ov5670 {
1816	struct v4l2_subdev sd;
1817	struct media_pad pad;
1818
1819	struct v4l2_ctrl_handler ctrl_handler;
1820	/* V4L2 Controls */
1821	struct v4l2_ctrl *link_freq;
1822	struct v4l2_ctrl *pixel_rate;
1823	struct v4l2_ctrl *vblank;
1824	struct v4l2_ctrl *hblank;
1825	struct v4l2_ctrl *exposure;
1826
1827	/* Current mode */
1828	const struct ov5670_mode *cur_mode;
1829
1830	/* To serialize asynchronus callbacks */
1831	struct mutex mutex;
1832
1833	/* Streaming on/off */
1834	bool streaming;
1835};
1836
1837#define to_ov5670(_sd)	container_of(_sd, struct ov5670, sd)
1838
1839/* Read registers up to 4 at a time */
1840static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1841			   u32 *val)
1842{
1843	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1844	struct i2c_msg msgs[2];
1845	u8 *data_be_p;
1846	__be32 data_be = 0;
1847	__be16 reg_addr_be = cpu_to_be16(reg);
1848	int ret;
1849
1850	if (len > 4)
1851		return -EINVAL;
1852
1853	data_be_p = (u8 *)&data_be;
1854	/* Write register address */
1855	msgs[0].addr = client->addr;
1856	msgs[0].flags = 0;
1857	msgs[0].len = 2;
1858	msgs[0].buf = (u8 *)&reg_addr_be;
1859
1860	/* Read data from register */
1861	msgs[1].addr = client->addr;
1862	msgs[1].flags = I2C_M_RD;
1863	msgs[1].len = len;
1864	msgs[1].buf = &data_be_p[4 - len];
1865
1866	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1867	if (ret != ARRAY_SIZE(msgs))
1868		return -EIO;
1869
1870	*val = be32_to_cpu(data_be);
1871
1872	return 0;
1873}
1874
1875/* Write registers up to 4 at a time */
1876static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1877			    u32 val)
1878{
1879	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1880	int buf_i;
1881	int val_i;
1882	u8 buf[6];
1883	u8 *val_p;
1884	__be32 tmp;
1885
1886	if (len > 4)
1887		return -EINVAL;
1888
1889	buf[0] = reg >> 8;
1890	buf[1] = reg & 0xff;
1891
1892	tmp = cpu_to_be32(val);
1893	val_p = (u8 *)&tmp;
1894	buf_i = 2;
1895	val_i = 4 - len;
1896
1897	while (val_i < 4)
1898		buf[buf_i++] = val_p[val_i++];
1899
1900	if (i2c_master_send(client, buf, len + 2) != len + 2)
1901		return -EIO;
1902
1903	return 0;
1904}
1905
1906/* Write a list of registers */
1907static int ov5670_write_regs(struct ov5670 *ov5670,
1908			     const struct ov5670_reg *regs, unsigned int len)
1909{
1910	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1911	unsigned int i;
1912	int ret;
1913
1914	for (i = 0; i < len; i++) {
1915		ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1916		if (ret) {
1917			dev_err_ratelimited(
1918				&client->dev,
1919				"Failed to write reg 0x%4.4x. error = %d\n",
1920				regs[i].address, ret);
1921
1922			return ret;
1923		}
1924	}
1925
1926	return 0;
1927}
1928
1929static int ov5670_write_reg_list(struct ov5670 *ov5670,
1930				 const struct ov5670_reg_list *r_list)
1931{
1932	return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1933}
1934
1935/* Open sub-device */
1936static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1937{
1938	struct ov5670 *ov5670 = to_ov5670(sd);
1939	struct v4l2_mbus_framefmt *try_fmt =
1940				v4l2_subdev_get_try_format(sd, fh->pad, 0);
1941
1942	mutex_lock(&ov5670->mutex);
1943
1944	/* Initialize try_fmt */
1945	try_fmt->width = ov5670->cur_mode->width;
1946	try_fmt->height = ov5670->cur_mode->height;
1947	try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1948	try_fmt->field = V4L2_FIELD_NONE;
1949
1950	/* No crop or compose */
1951	mutex_unlock(&ov5670->mutex);
1952
1953	return 0;
1954}
1955
1956static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1957{
1958	int ret;
1959
1960	ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1961			       OV5670_REG_VALUE_16BIT, d_gain);
1962	if (ret)
1963		return ret;
1964
1965	ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1966			       OV5670_REG_VALUE_16BIT, d_gain);
1967	if (ret)
1968		return ret;
1969
1970	return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1971				OV5670_REG_VALUE_16BIT, d_gain);
1972}
1973
1974static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1975{
1976	u32 val;
1977	int ret;
1978
1979	/* Set the bayer order that we support */
1980	ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1981			       OV5670_REG_VALUE_08BIT, 0);
1982	if (ret)
1983		return ret;
1984
1985	ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1986			      OV5670_REG_VALUE_08BIT, &val);
1987	if (ret)
1988		return ret;
1989
1990	if (pattern)
1991		val |= OV5670_TEST_PATTERN_ENABLE;
1992	else
1993		val &= ~OV5670_TEST_PATTERN_ENABLE;
1994
1995	return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1996				OV5670_REG_VALUE_08BIT, val);
1997}
1998
1999/* Initialize control handlers */
2000static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2001{
2002	struct ov5670 *ov5670 = container_of(ctrl->handler,
2003					     struct ov5670, ctrl_handler);
2004	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2005	s64 max;
2006	int ret = 0;
2007
2008	/* Propagate change of current control to all related controls */
2009	switch (ctrl->id) {
2010	case V4L2_CID_VBLANK:
2011		/* Update max exposure while meeting expected vblanking */
2012		max = ov5670->cur_mode->height + ctrl->val - 8;
2013		__v4l2_ctrl_modify_range(ov5670->exposure,
2014					 ov5670->exposure->minimum, max,
2015					 ov5670->exposure->step, max);
2016		break;
2017	}
2018
2019	/* V4L2 controls values will be applied only when power is already up */
2020	if (!pm_runtime_get_if_in_use(&client->dev))
2021		return 0;
2022
2023	switch (ctrl->id) {
2024	case V4L2_CID_ANALOGUE_GAIN:
2025		ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2026				       OV5670_REG_VALUE_16BIT, ctrl->val);
2027		break;
2028	case V4L2_CID_DIGITAL_GAIN:
2029		ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2030		break;
2031	case V4L2_CID_EXPOSURE:
2032		/* 4 least significant bits of expsoure are fractional part */
2033		ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2034				       OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2035		break;
2036	case V4L2_CID_VBLANK:
2037		/* Update VTS that meets expected vertical blanking */
2038		ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2039				       OV5670_REG_VALUE_16BIT,
2040				       ov5670->cur_mode->height + ctrl->val);
2041		break;
2042	case V4L2_CID_TEST_PATTERN:
2043		ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2044		break;
2045	default:
2046		dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2047			 __func__, ctrl->id, ctrl->val);
2048		break;
2049	}
2050
2051	pm_runtime_put(&client->dev);
2052
2053	return ret;
2054}
2055
2056static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2057	.s_ctrl = ov5670_set_ctrl,
2058};
2059
2060/* Initialize control handlers */
2061static int ov5670_init_controls(struct ov5670 *ov5670)
2062{
2063	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2064	struct v4l2_fwnode_device_properties props;
2065	struct v4l2_ctrl_handler *ctrl_hdlr;
2066	s64 vblank_max;
2067	s64 vblank_def;
2068	s64 vblank_min;
2069	s64 exposure_max;
2070	int ret;
2071
2072	ctrl_hdlr = &ov5670->ctrl_handler;
2073	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2074	if (ret)
2075		return ret;
2076
2077	ctrl_hdlr->lock = &ov5670->mutex;
2078	ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2079						   &ov5670_ctrl_ops,
2080						   V4L2_CID_LINK_FREQ,
2081						   0, 0, link_freq_menu_items);
2082	if (ov5670->link_freq)
2083		ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2084
2085	/* By default, V4L2_CID_PIXEL_RATE is read only */
2086	ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2087					       V4L2_CID_PIXEL_RATE,
2088					       link_freq_configs[0].pixel_rate,
2089					       link_freq_configs[0].pixel_rate,
2090					       1,
2091					       link_freq_configs[0].pixel_rate);
2092
2093	vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2094	vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2095	vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2096	ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2097					   V4L2_CID_VBLANK, vblank_min,
2098					   vblank_max, 1, vblank_def);
2099
2100	ov5670->hblank = v4l2_ctrl_new_std(
2101				ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2102				OV5670_FIXED_PPL - ov5670->cur_mode->width,
2103				OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2104				OV5670_FIXED_PPL - ov5670->cur_mode->width);
2105	if (ov5670->hblank)
2106		ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2107
2108	/* Get min, max, step, default from sensor */
2109	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2110			  ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2111			  ANALOG_GAIN_DEFAULT);
2112
2113	/* Digital gain */
2114	v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2115			  OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2116			  OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2117
2118	/* Get min, max, step, default from sensor */
2119	exposure_max = ov5670->cur_mode->vts_def - 8;
2120	ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2121					     V4L2_CID_EXPOSURE,
2122					     OV5670_EXPOSURE_MIN,
2123					     exposure_max, OV5670_EXPOSURE_STEP,
2124					     exposure_max);
2125
2126	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2127				     V4L2_CID_TEST_PATTERN,
2128				     ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2129				     0, 0, ov5670_test_pattern_menu);
2130
2131	if (ctrl_hdlr->error) {
2132		ret = ctrl_hdlr->error;
2133		goto error;
2134	}
2135
2136	ret = v4l2_fwnode_device_parse(&client->dev, &props);
2137	if (ret)
2138		goto error;
2139
2140	ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2141					      &props);
2142	if (ret)
2143		goto error;
2144
2145	ov5670->sd.ctrl_handler = ctrl_hdlr;
2146
2147	return 0;
2148
2149error:
2150	v4l2_ctrl_handler_free(ctrl_hdlr);
2151
2152	return ret;
2153}
2154
2155static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2156				 struct v4l2_subdev_pad_config *cfg,
2157				 struct v4l2_subdev_mbus_code_enum *code)
2158{
2159	/* Only one bayer order GRBG is supported */
2160	if (code->index > 0)
2161		return -EINVAL;
2162
2163	code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2164
2165	return 0;
2166}
2167
2168static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2169				  struct v4l2_subdev_pad_config *cfg,
2170				  struct v4l2_subdev_frame_size_enum *fse)
2171{
2172	if (fse->index >= ARRAY_SIZE(supported_modes))
2173		return -EINVAL;
2174
2175	if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2176		return -EINVAL;
2177
2178	fse->min_width = supported_modes[fse->index].width;
2179	fse->max_width = fse->min_width;
2180	fse->min_height = supported_modes[fse->index].height;
2181	fse->max_height = fse->min_height;
2182
2183	return 0;
2184}
2185
2186static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2187				     struct v4l2_subdev_format *fmt)
2188{
2189	fmt->format.width = mode->width;
2190	fmt->format.height = mode->height;
2191	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2192	fmt->format.field = V4L2_FIELD_NONE;
2193}
2194
2195static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2196				    struct v4l2_subdev_pad_config *cfg,
2197				    struct v4l2_subdev_format *fmt)
2198{
2199	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2200		fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, cfg,
2201							  fmt->pad);
2202	else
2203		ov5670_update_pad_format(ov5670->cur_mode, fmt);
2204
2205	return 0;
2206}
2207
2208static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2209				 struct v4l2_subdev_pad_config *cfg,
2210				 struct v4l2_subdev_format *fmt)
2211{
2212	struct ov5670 *ov5670 = to_ov5670(sd);
2213	int ret;
2214
2215	mutex_lock(&ov5670->mutex);
2216	ret = ov5670_do_get_pad_format(ov5670, cfg, fmt);
2217	mutex_unlock(&ov5670->mutex);
2218
2219	return ret;
2220}
2221
2222static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2223				 struct v4l2_subdev_pad_config *cfg,
2224				 struct v4l2_subdev_format *fmt)
2225{
2226	struct ov5670 *ov5670 = to_ov5670(sd);
2227	const struct ov5670_mode *mode;
2228	s32 vblank_def;
2229	s32 h_blank;
2230
2231	mutex_lock(&ov5670->mutex);
2232
2233	fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2234
2235	mode = v4l2_find_nearest_size(supported_modes,
2236				      ARRAY_SIZE(supported_modes),
2237				      width, height,
2238				      fmt->format.width, fmt->format.height);
2239	ov5670_update_pad_format(mode, fmt);
2240	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2241		*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
2242	} else {
2243		ov5670->cur_mode = mode;
2244		__v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2245		__v4l2_ctrl_s_ctrl_int64(
2246			ov5670->pixel_rate,
2247			link_freq_configs[mode->link_freq_index].pixel_rate);
2248		/* Update limits and set FPS to default */
2249		vblank_def = ov5670->cur_mode->vts_def -
2250			     ov5670->cur_mode->height;
2251		__v4l2_ctrl_modify_range(
2252			ov5670->vblank,
2253			ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2254			OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2255			vblank_def);
2256		__v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2257		h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2258		__v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2259					 h_blank);
2260	}
2261
2262	mutex_unlock(&ov5670->mutex);
2263
2264	return 0;
2265}
2266
2267static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2268{
2269	*frames = OV5670_NUM_OF_SKIP_FRAMES;
2270
2271	return 0;
2272}
2273
2274/* Prepare streaming by writing default values and customized values */
2275static int ov5670_start_streaming(struct ov5670 *ov5670)
2276{
2277	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2278	const struct ov5670_reg_list *reg_list;
2279	int link_freq_index;
2280	int ret;
2281
2282	/* Get out of from software reset */
2283	ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2284			       OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2285	if (ret) {
2286		dev_err(&client->dev, "%s failed to set powerup registers\n",
2287			__func__);
2288		return ret;
2289	}
2290
2291	/* Setup PLL */
2292	link_freq_index = ov5670->cur_mode->link_freq_index;
2293	reg_list = &link_freq_configs[link_freq_index].reg_list;
2294	ret = ov5670_write_reg_list(ov5670, reg_list);
2295	if (ret) {
2296		dev_err(&client->dev, "%s failed to set plls\n", __func__);
2297		return ret;
2298	}
2299
2300	/* Apply default values of current mode */
2301	reg_list = &ov5670->cur_mode->reg_list;
2302	ret = ov5670_write_reg_list(ov5670, reg_list);
2303	if (ret) {
2304		dev_err(&client->dev, "%s failed to set mode\n", __func__);
2305		return ret;
2306	}
2307
2308	ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2309	if (ret)
2310		return ret;
2311
2312	/* Write stream on list */
2313	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2314			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2315	if (ret) {
2316		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2317		return ret;
2318	}
2319
2320	return 0;
2321}
2322
2323static int ov5670_stop_streaming(struct ov5670 *ov5670)
2324{
2325	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2326	int ret;
2327
2328	ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2329			       OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2330	if (ret)
2331		dev_err(&client->dev, "%s failed to set stream\n", __func__);
2332
2333	/* Return success even if it was an error, as there is nothing the
2334	 * caller can do about it.
2335	 */
2336	return 0;
2337}
2338
2339static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2340{
2341	struct ov5670 *ov5670 = to_ov5670(sd);
2342	struct i2c_client *client = v4l2_get_subdevdata(sd);
2343	int ret = 0;
2344
2345	mutex_lock(&ov5670->mutex);
2346	if (ov5670->streaming == enable)
2347		goto unlock_and_return;
2348
2349	if (enable) {
2350		ret = pm_runtime_get_sync(&client->dev);
2351		if (ret < 0) {
2352			pm_runtime_put_noidle(&client->dev);
2353			goto unlock_and_return;
2354		}
2355
2356		ret = ov5670_start_streaming(ov5670);
2357		if (ret)
2358			goto error;
2359	} else {
2360		ret = ov5670_stop_streaming(ov5670);
2361		pm_runtime_put(&client->dev);
2362	}
2363	ov5670->streaming = enable;
2364	goto unlock_and_return;
2365
2366error:
2367	pm_runtime_put(&client->dev);
2368
2369unlock_and_return:
2370	mutex_unlock(&ov5670->mutex);
2371
2372	return ret;
2373}
2374
2375static int __maybe_unused ov5670_suspend(struct device *dev)
2376{
2377	struct i2c_client *client = to_i2c_client(dev);
2378	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2379	struct ov5670 *ov5670 = to_ov5670(sd);
2380
2381	if (ov5670->streaming)
2382		ov5670_stop_streaming(ov5670);
2383
2384	return 0;
2385}
2386
2387static int __maybe_unused ov5670_resume(struct device *dev)
2388{
2389	struct i2c_client *client = to_i2c_client(dev);
2390	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2391	struct ov5670 *ov5670 = to_ov5670(sd);
2392	int ret;
2393
2394	if (ov5670->streaming) {
2395		ret = ov5670_start_streaming(ov5670);
2396		if (ret) {
2397			ov5670_stop_streaming(ov5670);
2398			return ret;
2399		}
2400	}
2401
2402	return 0;
2403}
2404
2405/* Verify chip ID */
2406static int ov5670_identify_module(struct ov5670 *ov5670)
2407{
2408	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2409	int ret;
2410	u32 val;
2411
2412	ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2413			      OV5670_REG_VALUE_24BIT, &val);
2414	if (ret)
2415		return ret;
2416
2417	if (val != OV5670_CHIP_ID) {
2418		dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2419			OV5670_CHIP_ID, val);
2420		return -ENXIO;
2421	}
2422
2423	return 0;
2424}
2425
2426static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2427	.s_stream = ov5670_set_stream,
2428};
2429
2430static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2431	.enum_mbus_code = ov5670_enum_mbus_code,
2432	.get_fmt = ov5670_get_pad_format,
2433	.set_fmt = ov5670_set_pad_format,
2434	.enum_frame_size = ov5670_enum_frame_size,
2435};
2436
2437static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2438	.g_skip_frames = ov5670_get_skip_frames,
2439};
2440
2441static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2442	.video = &ov5670_video_ops,
2443	.pad = &ov5670_pad_ops,
2444	.sensor = &ov5670_sensor_ops,
2445};
2446
2447static const struct media_entity_operations ov5670_subdev_entity_ops = {
2448	.link_validate = v4l2_subdev_link_validate,
2449};
2450
2451static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2452	.open = ov5670_open,
2453};
2454
2455static int ov5670_probe(struct i2c_client *client)
2456{
2457	struct ov5670 *ov5670;
2458	const char *err_msg;
2459	u32 input_clk = 0;
2460	int ret;
2461
2462	device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2463	if (input_clk != 19200000)
2464		return -EINVAL;
2465
2466	ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2467	if (!ov5670) {
2468		ret = -ENOMEM;
2469		err_msg = "devm_kzalloc() error";
2470		goto error_print;
2471	}
2472
2473	/* Initialize subdev */
2474	v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2475
2476	/* Check module identity */
2477	ret = ov5670_identify_module(ov5670);
2478	if (ret) {
2479		err_msg = "ov5670_identify_module() error";
2480		goto error_print;
2481	}
2482
2483	mutex_init(&ov5670->mutex);
2484
2485	/* Set default mode to max resolution */
2486	ov5670->cur_mode = &supported_modes[0];
2487
2488	ret = ov5670_init_controls(ov5670);
2489	if (ret) {
2490		err_msg = "ov5670_init_controls() error";
2491		goto error_mutex_destroy;
2492	}
2493
2494	ov5670->sd.internal_ops = &ov5670_internal_ops;
2495	ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2496	ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2497	ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2498
2499	/* Source pad initialization */
2500	ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2501	ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2502	if (ret) {
2503		err_msg = "media_entity_pads_init() error";
2504		goto error_handler_free;
2505	}
2506
2507	/* Async register for subdev */
2508	ret = v4l2_async_register_subdev_sensor_common(&ov5670->sd);
2509	if (ret < 0) {
2510		err_msg = "v4l2_async_register_subdev() error";
2511		goto error_entity_cleanup;
2512	}
2513
2514	ov5670->streaming = false;
2515
2516	/*
2517	 * Device is already turned on by i2c-core with ACPI domain PM.
2518	 * Enable runtime PM and turn off the device.
2519	 */
2520	pm_runtime_set_active(&client->dev);
2521	pm_runtime_enable(&client->dev);
2522	pm_runtime_idle(&client->dev);
2523
2524	return 0;
2525
2526error_entity_cleanup:
2527	media_entity_cleanup(&ov5670->sd.entity);
2528
2529error_handler_free:
2530	v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2531
2532error_mutex_destroy:
2533	mutex_destroy(&ov5670->mutex);
2534
2535error_print:
2536	dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2537
2538	return ret;
2539}
2540
2541static int ov5670_remove(struct i2c_client *client)
2542{
2543	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2544	struct ov5670 *ov5670 = to_ov5670(sd);
2545
2546	v4l2_async_unregister_subdev(sd);
2547	media_entity_cleanup(&sd->entity);
2548	v4l2_ctrl_handler_free(sd->ctrl_handler);
2549	mutex_destroy(&ov5670->mutex);
2550
2551	pm_runtime_disable(&client->dev);
2552
2553	return 0;
2554}
2555
2556static const struct dev_pm_ops ov5670_pm_ops = {
2557	SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2558};
2559
2560#ifdef CONFIG_ACPI
2561static const struct acpi_device_id ov5670_acpi_ids[] = {
2562	{"INT3479"},
2563	{ /* sentinel */ }
2564};
2565
2566MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2567#endif
2568
2569static struct i2c_driver ov5670_i2c_driver = {
2570	.driver = {
2571		.name = "ov5670",
2572		.pm = &ov5670_pm_ops,
2573		.acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2574	},
2575	.probe_new = ov5670_probe,
2576	.remove = ov5670_remove,
2577};
2578
2579module_i2c_driver(ov5670_i2c_driver);
2580
2581MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2582MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>");
2583MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2584MODULE_LICENSE("GPL v2");
2585