GNU Linux-libre 4.14.266-gnu1
[releases.git] / drivers / media / i2c / ov5670.c
1 /*
2  * Copyright (c) 2017 Intel Corporation.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License version
6  * 2 as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  */
14
15 #include <linux/acpi.h>
16 #include <linux/i2c.h>
17 #include <linux/module.h>
18 #include <linux/pm_runtime.h>
19 #include <media/v4l2-ctrls.h>
20 #include <media/v4l2-device.h>
21
22 #define OV5670_REG_CHIP_ID              0x300a
23 #define OV5670_CHIP_ID                  0x005670
24
25 #define OV5670_REG_MODE_SELECT          0x0100
26 #define OV5670_MODE_STANDBY             0x00
27 #define OV5670_MODE_STREAMING           0x01
28
29 #define OV5670_REG_SOFTWARE_RST         0x0103
30 #define OV5670_SOFTWARE_RST             0x01
31
32 /* vertical-timings from sensor */
33 #define OV5670_REG_VTS                  0x380e
34 #define OV5670_VTS_30FPS                0x0808 /* default for 30 fps */
35 #define OV5670_VTS_MAX                  0xffff
36
37 /* horizontal-timings from sensor */
38 #define OV5670_REG_HTS                  0x380c
39
40 /*
41  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
42  * In OV5670, Time-per-line = HTS/SCLK.
43  * HTS is fixed for all resolutions, not recommended to change.
44  */
45 #define OV5670_FIXED_PPL                2724    /* Pixels per line */
46
47 /* Exposure controls from sensor */
48 #define OV5670_REG_EXPOSURE             0x3500
49 #define OV5670_EXPOSURE_MIN             4
50 #define OV5670_EXPOSURE_STEP            1
51
52 /* Analog gain controls from sensor */
53 #define OV5670_REG_ANALOG_GAIN          0x3508
54 #define ANALOG_GAIN_MIN                 0
55 #define ANALOG_GAIN_MAX                 8191
56 #define ANALOG_GAIN_STEP                1
57 #define ANALOG_GAIN_DEFAULT             128
58
59 /* Digital gain controls from sensor */
60 #define OV5670_REG_R_DGTL_GAIN          0x5032
61 #define OV5670_REG_G_DGTL_GAIN          0x5034
62 #define OV5670_REG_B_DGTL_GAIN          0x5036
63 #define OV5670_DGTL_GAIN_MIN            0
64 #define OV5670_DGTL_GAIN_MAX            4095
65 #define OV5670_DGTL_GAIN_STEP           1
66 #define OV5670_DGTL_GAIN_DEFAULT        1024
67
68 /* Test Pattern Control */
69 #define OV5670_REG_TEST_PATTERN         0x4303
70 #define OV5670_TEST_PATTERN_ENABLE      BIT(3)
71 #define OV5670_REG_TEST_PATTERN_CTRL    0x4320
72
73 #define OV5670_REG_VALUE_08BIT          1
74 #define OV5670_REG_VALUE_16BIT          2
75 #define OV5670_REG_VALUE_24BIT          3
76
77 /* Initial number of frames to skip to avoid possible garbage */
78 #define OV5670_NUM_OF_SKIP_FRAMES       2
79
80 struct ov5670_reg {
81         u16 address;
82         u8 val;
83 };
84
85 struct ov5670_reg_list {
86         u32 num_of_regs;
87         const struct ov5670_reg *regs;
88 };
89
90 struct ov5670_link_freq_config {
91         u32 pixel_rate;
92         const struct ov5670_reg_list reg_list;
93 };
94
95 struct ov5670_mode {
96         /* Frame width in pixels */
97         u32 width;
98
99         /* Frame height in pixels */
100         u32 height;
101
102         /* Default vertical timining size */
103         u32 vts_def;
104
105         /* Min vertical timining size */
106         u32 vts_min;
107
108         /* Link frequency needed for this resolution */
109         u32 link_freq_index;
110
111         /* Sensor register settings for this resolution */
112         const struct ov5670_reg_list reg_list;
113 };
114
115 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
116         {0x0300, 0x04},
117         {0x0301, 0x00},
118         {0x0302, 0x84},
119         {0x0303, 0x00},
120         {0x0304, 0x03},
121         {0x0305, 0x01},
122         {0x0306, 0x01},
123         {0x030a, 0x00},
124         {0x030b, 0x00},
125         {0x030c, 0x00},
126         {0x030d, 0x26},
127         {0x030e, 0x00},
128         {0x030f, 0x06},
129         {0x0312, 0x01},
130         {0x3031, 0x0a},
131 };
132
133 static const struct ov5670_reg mode_2592x1944_regs[] = {
134         {0x3000, 0x00},
135         {0x3002, 0x21},
136         {0x3005, 0xf0},
137         {0x3007, 0x00},
138         {0x3015, 0x0f},
139         {0x3018, 0x32},
140         {0x301a, 0xf0},
141         {0x301b, 0xf0},
142         {0x301c, 0xf0},
143         {0x301d, 0xf0},
144         {0x301e, 0xf0},
145         {0x3030, 0x00},
146         {0x3031, 0x0a},
147         {0x303c, 0xff},
148         {0x303e, 0xff},
149         {0x3040, 0xf0},
150         {0x3041, 0x00},
151         {0x3042, 0xf0},
152         {0x3106, 0x11},
153         {0x3500, 0x00},
154         {0x3501, 0x80},
155         {0x3502, 0x00},
156         {0x3503, 0x04},
157         {0x3504, 0x03},
158         {0x3505, 0x83},
159         {0x3508, 0x04},
160         {0x3509, 0x00},
161         {0x350e, 0x04},
162         {0x350f, 0x00},
163         {0x3510, 0x00},
164         {0x3511, 0x02},
165         {0x3512, 0x00},
166         {0x3601, 0xc8},
167         {0x3610, 0x88},
168         {0x3612, 0x48},
169         {0x3614, 0x5b},
170         {0x3615, 0x96},
171         {0x3621, 0xd0},
172         {0x3622, 0x00},
173         {0x3623, 0x00},
174         {0x3633, 0x13},
175         {0x3634, 0x13},
176         {0x3635, 0x13},
177         {0x3636, 0x13},
178         {0x3645, 0x13},
179         {0x3646, 0x82},
180         {0x3650, 0x00},
181         {0x3652, 0xff},
182         {0x3655, 0x20},
183         {0x3656, 0xff},
184         {0x365a, 0xff},
185         {0x365e, 0xff},
186         {0x3668, 0x00},
187         {0x366a, 0x07},
188         {0x366e, 0x10},
189         {0x366d, 0x00},
190         {0x366f, 0x80},
191         {0x3700, 0x28},
192         {0x3701, 0x10},
193         {0x3702, 0x3a},
194         {0x3703, 0x19},
195         {0x3704, 0x10},
196         {0x3705, 0x00},
197         {0x3706, 0x66},
198         {0x3707, 0x08},
199         {0x3708, 0x34},
200         {0x3709, 0x40},
201         {0x370a, 0x01},
202         {0x370b, 0x1b},
203         {0x3714, 0x24},
204         {0x371a, 0x3e},
205         {0x3733, 0x00},
206         {0x3734, 0x00},
207         {0x373a, 0x05},
208         {0x373b, 0x06},
209         {0x373c, 0x0a},
210         {0x373f, 0xa0},
211         {0x3755, 0x00},
212         {0x3758, 0x00},
213         {0x375b, 0x0e},
214         {0x3766, 0x5f},
215         {0x3768, 0x00},
216         {0x3769, 0x22},
217         {0x3773, 0x08},
218         {0x3774, 0x1f},
219         {0x3776, 0x06},
220         {0x37a0, 0x88},
221         {0x37a1, 0x5c},
222         {0x37a7, 0x88},
223         {0x37a8, 0x70},
224         {0x37aa, 0x88},
225         {0x37ab, 0x48},
226         {0x37b3, 0x66},
227         {0x37c2, 0x04},
228         {0x37c5, 0x00},
229         {0x37c8, 0x00},
230         {0x3800, 0x00},
231         {0x3801, 0x0c},
232         {0x3802, 0x00},
233         {0x3803, 0x04},
234         {0x3804, 0x0a},
235         {0x3805, 0x33},
236         {0x3806, 0x07},
237         {0x3807, 0xa3},
238         {0x3808, 0x0a},
239         {0x3809, 0x20},
240         {0x380a, 0x07},
241         {0x380b, 0x98},
242         {0x380c, 0x06},
243         {0x380d, 0x90},
244         {0x380e, 0x08},
245         {0x380f, 0x08},
246         {0x3811, 0x04},
247         {0x3813, 0x02},
248         {0x3814, 0x01},
249         {0x3815, 0x01},
250         {0x3816, 0x00},
251         {0x3817, 0x00},
252         {0x3818, 0x00},
253         {0x3819, 0x00},
254         {0x3820, 0x84},
255         {0x3821, 0x46},
256         {0x3822, 0x48},
257         {0x3826, 0x00},
258         {0x3827, 0x08},
259         {0x382a, 0x01},
260         {0x382b, 0x01},
261         {0x3830, 0x08},
262         {0x3836, 0x02},
263         {0x3837, 0x00},
264         {0x3838, 0x10},
265         {0x3841, 0xff},
266         {0x3846, 0x48},
267         {0x3861, 0x00},
268         {0x3862, 0x04},
269         {0x3863, 0x06},
270         {0x3a11, 0x01},
271         {0x3a12, 0x78},
272         {0x3b00, 0x00},
273         {0x3b02, 0x00},
274         {0x3b03, 0x00},
275         {0x3b04, 0x00},
276         {0x3b05, 0x00},
277         {0x3c00, 0x89},
278         {0x3c01, 0xab},
279         {0x3c02, 0x01},
280         {0x3c03, 0x00},
281         {0x3c04, 0x00},
282         {0x3c05, 0x03},
283         {0x3c06, 0x00},
284         {0x3c07, 0x05},
285         {0x3c0c, 0x00},
286         {0x3c0d, 0x00},
287         {0x3c0e, 0x00},
288         {0x3c0f, 0x00},
289         {0x3c40, 0x00},
290         {0x3c41, 0xa3},
291         {0x3c43, 0x7d},
292         {0x3c45, 0xd7},
293         {0x3c47, 0xfc},
294         {0x3c50, 0x05},
295         {0x3c52, 0xaa},
296         {0x3c54, 0x71},
297         {0x3c56, 0x80},
298         {0x3d85, 0x17},
299         {0x3f03, 0x00},
300         {0x3f0a, 0x00},
301         {0x3f0b, 0x00},
302         {0x4001, 0x60},
303         {0x4009, 0x0d},
304         {0x4020, 0x00},
305         {0x4021, 0x00},
306         {0x4022, 0x00},
307         {0x4023, 0x00},
308         {0x4024, 0x00},
309         {0x4025, 0x00},
310         {0x4026, 0x00},
311         {0x4027, 0x00},
312         {0x4028, 0x00},
313         {0x4029, 0x00},
314         {0x402a, 0x00},
315         {0x402b, 0x00},
316         {0x402c, 0x00},
317         {0x402d, 0x00},
318         {0x402e, 0x00},
319         {0x402f, 0x00},
320         {0x4040, 0x00},
321         {0x4041, 0x03},
322         {0x4042, 0x00},
323         {0x4043, 0x7A},
324         {0x4044, 0x00},
325         {0x4045, 0x7A},
326         {0x4046, 0x00},
327         {0x4047, 0x7A},
328         {0x4048, 0x00},
329         {0x4049, 0x7A},
330         {0x4307, 0x30},
331         {0x4500, 0x58},
332         {0x4501, 0x04},
333         {0x4502, 0x40},
334         {0x4503, 0x10},
335         {0x4508, 0xaa},
336         {0x4509, 0xaa},
337         {0x450a, 0x00},
338         {0x450b, 0x00},
339         {0x4600, 0x01},
340         {0x4601, 0x03},
341         {0x4700, 0xa4},
342         {0x4800, 0x4c},
343         {0x4816, 0x53},
344         {0x481f, 0x40},
345         {0x4837, 0x13},
346         {0x5000, 0x56},
347         {0x5001, 0x01},
348         {0x5002, 0x28},
349         {0x5004, 0x0c},
350         {0x5006, 0x0c},
351         {0x5007, 0xe0},
352         {0x5008, 0x01},
353         {0x5009, 0xb0},
354         {0x5901, 0x00},
355         {0x5a01, 0x00},
356         {0x5a03, 0x00},
357         {0x5a04, 0x0c},
358         {0x5a05, 0xe0},
359         {0x5a06, 0x09},
360         {0x5a07, 0xb0},
361         {0x5a08, 0x06},
362         {0x5e00, 0x00},
363         {0x3734, 0x40},
364         {0x5b00, 0x01},
365         {0x5b01, 0x10},
366         {0x5b02, 0x01},
367         {0x5b03, 0xdb},
368         {0x3d8c, 0x71},
369         {0x3d8d, 0xea},
370         {0x4017, 0x08},
371         {0x3618, 0x2a},
372         {0x5780, 0x3e},
373         {0x5781, 0x0f},
374         {0x5782, 0x44},
375         {0x5783, 0x02},
376         {0x5784, 0x01},
377         {0x5785, 0x01},
378         {0x5786, 0x00},
379         {0x5787, 0x04},
380         {0x5788, 0x02},
381         {0x5789, 0x0f},
382         {0x578a, 0xfd},
383         {0x578b, 0xf5},
384         {0x578c, 0xf5},
385         {0x578d, 0x03},
386         {0x578e, 0x08},
387         {0x578f, 0x0c},
388         {0x5790, 0x08},
389         {0x5791, 0x06},
390         {0x5792, 0x00},
391         {0x5793, 0x52},
392         {0x5794, 0xa3},
393         {0x3503, 0x00}
394 };
395
396 static const struct ov5670_reg mode_1296x972_regs[] = {
397         {0x3000, 0x00},
398         {0x3002, 0x21},
399         {0x3005, 0xf0},
400         {0x3007, 0x00},
401         {0x3015, 0x0f},
402         {0x3018, 0x32},
403         {0x301a, 0xf0},
404         {0x301b, 0xf0},
405         {0x301c, 0xf0},
406         {0x301d, 0xf0},
407         {0x301e, 0xf0},
408         {0x3030, 0x00},
409         {0x3031, 0x0a},
410         {0x303c, 0xff},
411         {0x303e, 0xff},
412         {0x3040, 0xf0},
413         {0x3041, 0x00},
414         {0x3042, 0xf0},
415         {0x3106, 0x11},
416         {0x3500, 0x00},
417         {0x3501, 0x80},
418         {0x3502, 0x00},
419         {0x3503, 0x04},
420         {0x3504, 0x03},
421         {0x3505, 0x83},
422         {0x3508, 0x07},
423         {0x3509, 0x80},
424         {0x350e, 0x04},
425         {0x350f, 0x00},
426         {0x3510, 0x00},
427         {0x3511, 0x02},
428         {0x3512, 0x00},
429         {0x3601, 0xc8},
430         {0x3610, 0x88},
431         {0x3612, 0x48},
432         {0x3614, 0x5b},
433         {0x3615, 0x96},
434         {0x3621, 0xd0},
435         {0x3622, 0x00},
436         {0x3623, 0x00},
437         {0x3633, 0x13},
438         {0x3634, 0x13},
439         {0x3635, 0x13},
440         {0x3636, 0x13},
441         {0x3645, 0x13},
442         {0x3646, 0x82},
443         {0x3650, 0x00},
444         {0x3652, 0xff},
445         {0x3655, 0x20},
446         {0x3656, 0xff},
447         {0x365a, 0xff},
448         {0x365e, 0xff},
449         {0x3668, 0x00},
450         {0x366a, 0x07},
451         {0x366e, 0x08},
452         {0x366d, 0x00},
453         {0x366f, 0x80},
454         {0x3700, 0x28},
455         {0x3701, 0x10},
456         {0x3702, 0x3a},
457         {0x3703, 0x19},
458         {0x3704, 0x10},
459         {0x3705, 0x00},
460         {0x3706, 0x66},
461         {0x3707, 0x08},
462         {0x3708, 0x34},
463         {0x3709, 0x40},
464         {0x370a, 0x01},
465         {0x370b, 0x1b},
466         {0x3714, 0x24},
467         {0x371a, 0x3e},
468         {0x3733, 0x00},
469         {0x3734, 0x00},
470         {0x373a, 0x05},
471         {0x373b, 0x06},
472         {0x373c, 0x0a},
473         {0x373f, 0xa0},
474         {0x3755, 0x00},
475         {0x3758, 0x00},
476         {0x375b, 0x0e},
477         {0x3766, 0x5f},
478         {0x3768, 0x00},
479         {0x3769, 0x22},
480         {0x3773, 0x08},
481         {0x3774, 0x1f},
482         {0x3776, 0x06},
483         {0x37a0, 0x88},
484         {0x37a1, 0x5c},
485         {0x37a7, 0x88},
486         {0x37a8, 0x70},
487         {0x37aa, 0x88},
488         {0x37ab, 0x48},
489         {0x37b3, 0x66},
490         {0x37c2, 0x04},
491         {0x37c5, 0x00},
492         {0x37c8, 0x00},
493         {0x3800, 0x00},
494         {0x3801, 0x0c},
495         {0x3802, 0x00},
496         {0x3803, 0x04},
497         {0x3804, 0x0a},
498         {0x3805, 0x33},
499         {0x3806, 0x07},
500         {0x3807, 0xa3},
501         {0x3808, 0x05},
502         {0x3809, 0x10},
503         {0x380a, 0x03},
504         {0x380b, 0xcc},
505         {0x380c, 0x06},
506         {0x380d, 0x90},
507         {0x380e, 0x08},
508         {0x380f, 0x08},
509         {0x3811, 0x04},
510         {0x3813, 0x04},
511         {0x3814, 0x03},
512         {0x3815, 0x01},
513         {0x3816, 0x00},
514         {0x3817, 0x00},
515         {0x3818, 0x00},
516         {0x3819, 0x00},
517         {0x3820, 0x94},
518         {0x3821, 0x47},
519         {0x3822, 0x48},
520         {0x3826, 0x00},
521         {0x3827, 0x08},
522         {0x382a, 0x03},
523         {0x382b, 0x01},
524         {0x3830, 0x08},
525         {0x3836, 0x02},
526         {0x3837, 0x00},
527         {0x3838, 0x10},
528         {0x3841, 0xff},
529         {0x3846, 0x48},
530         {0x3861, 0x00},
531         {0x3862, 0x04},
532         {0x3863, 0x06},
533         {0x3a11, 0x01},
534         {0x3a12, 0x78},
535         {0x3b00, 0x00},
536         {0x3b02, 0x00},
537         {0x3b03, 0x00},
538         {0x3b04, 0x00},
539         {0x3b05, 0x00},
540         {0x3c00, 0x89},
541         {0x3c01, 0xab},
542         {0x3c02, 0x01},
543         {0x3c03, 0x00},
544         {0x3c04, 0x00},
545         {0x3c05, 0x03},
546         {0x3c06, 0x00},
547         {0x3c07, 0x05},
548         {0x3c0c, 0x00},
549         {0x3c0d, 0x00},
550         {0x3c0e, 0x00},
551         {0x3c0f, 0x00},
552         {0x3c40, 0x00},
553         {0x3c41, 0xa3},
554         {0x3c43, 0x7d},
555         {0x3c45, 0xd7},
556         {0x3c47, 0xfc},
557         {0x3c50, 0x05},
558         {0x3c52, 0xaa},
559         {0x3c54, 0x71},
560         {0x3c56, 0x80},
561         {0x3d85, 0x17},
562         {0x3f03, 0x00},
563         {0x3f0a, 0x00},
564         {0x3f0b, 0x00},
565         {0x4001, 0x60},
566         {0x4009, 0x05},
567         {0x4020, 0x00},
568         {0x4021, 0x00},
569         {0x4022, 0x00},
570         {0x4023, 0x00},
571         {0x4024, 0x00},
572         {0x4025, 0x00},
573         {0x4026, 0x00},
574         {0x4027, 0x00},
575         {0x4028, 0x00},
576         {0x4029, 0x00},
577         {0x402a, 0x00},
578         {0x402b, 0x00},
579         {0x402c, 0x00},
580         {0x402d, 0x00},
581         {0x402e, 0x00},
582         {0x402f, 0x00},
583         {0x4040, 0x00},
584         {0x4041, 0x03},
585         {0x4042, 0x00},
586         {0x4043, 0x7A},
587         {0x4044, 0x00},
588         {0x4045, 0x7A},
589         {0x4046, 0x00},
590         {0x4047, 0x7A},
591         {0x4048, 0x00},
592         {0x4049, 0x7A},
593         {0x4307, 0x30},
594         {0x4500, 0x58},
595         {0x4501, 0x04},
596         {0x4502, 0x48},
597         {0x4503, 0x10},
598         {0x4508, 0x55},
599         {0x4509, 0x55},
600         {0x450a, 0x00},
601         {0x450b, 0x00},
602         {0x4600, 0x00},
603         {0x4601, 0x81},
604         {0x4700, 0xa4},
605         {0x4800, 0x4c},
606         {0x4816, 0x53},
607         {0x481f, 0x40},
608         {0x4837, 0x13},
609         {0x5000, 0x56},
610         {0x5001, 0x01},
611         {0x5002, 0x28},
612         {0x5004, 0x0c},
613         {0x5006, 0x0c},
614         {0x5007, 0xe0},
615         {0x5008, 0x01},
616         {0x5009, 0xb0},
617         {0x5901, 0x00},
618         {0x5a01, 0x00},
619         {0x5a03, 0x00},
620         {0x5a04, 0x0c},
621         {0x5a05, 0xe0},
622         {0x5a06, 0x09},
623         {0x5a07, 0xb0},
624         {0x5a08, 0x06},
625         {0x5e00, 0x00},
626         {0x3734, 0x40},
627         {0x5b00, 0x01},
628         {0x5b01, 0x10},
629         {0x5b02, 0x01},
630         {0x5b03, 0xdb},
631         {0x3d8c, 0x71},
632         {0x3d8d, 0xea},
633         {0x4017, 0x10},
634         {0x3618, 0x2a},
635         {0x5780, 0x3e},
636         {0x5781, 0x0f},
637         {0x5782, 0x44},
638         {0x5783, 0x02},
639         {0x5784, 0x01},
640         {0x5785, 0x01},
641         {0x5786, 0x00},
642         {0x5787, 0x04},
643         {0x5788, 0x02},
644         {0x5789, 0x0f},
645         {0x578a, 0xfd},
646         {0x578b, 0xf5},
647         {0x578c, 0xf5},
648         {0x578d, 0x03},
649         {0x578e, 0x08},
650         {0x578f, 0x0c},
651         {0x5790, 0x08},
652         {0x5791, 0x04},
653         {0x5792, 0x00},
654         {0x5793, 0x52},
655         {0x5794, 0xa3},
656         {0x3503, 0x00}
657 };
658
659 static const struct ov5670_reg mode_648x486_regs[] = {
660         {0x3000, 0x00},
661         {0x3002, 0x21},
662         {0x3005, 0xf0},
663         {0x3007, 0x00},
664         {0x3015, 0x0f},
665         {0x3018, 0x32},
666         {0x301a, 0xf0},
667         {0x301b, 0xf0},
668         {0x301c, 0xf0},
669         {0x301d, 0xf0},
670         {0x301e, 0xf0},
671         {0x3030, 0x00},
672         {0x3031, 0x0a},
673         {0x303c, 0xff},
674         {0x303e, 0xff},
675         {0x3040, 0xf0},
676         {0x3041, 0x00},
677         {0x3042, 0xf0},
678         {0x3106, 0x11},
679         {0x3500, 0x00},
680         {0x3501, 0x80},
681         {0x3502, 0x00},
682         {0x3503, 0x04},
683         {0x3504, 0x03},
684         {0x3505, 0x83},
685         {0x3508, 0x04},
686         {0x3509, 0x00},
687         {0x350e, 0x04},
688         {0x350f, 0x00},
689         {0x3510, 0x00},
690         {0x3511, 0x02},
691         {0x3512, 0x00},
692         {0x3601, 0xc8},
693         {0x3610, 0x88},
694         {0x3612, 0x48},
695         {0x3614, 0x5b},
696         {0x3615, 0x96},
697         {0x3621, 0xd0},
698         {0x3622, 0x00},
699         {0x3623, 0x04},
700         {0x3633, 0x13},
701         {0x3634, 0x13},
702         {0x3635, 0x13},
703         {0x3636, 0x13},
704         {0x3645, 0x13},
705         {0x3646, 0x82},
706         {0x3650, 0x00},
707         {0x3652, 0xff},
708         {0x3655, 0x20},
709         {0x3656, 0xff},
710         {0x365a, 0xff},
711         {0x365e, 0xff},
712         {0x3668, 0x00},
713         {0x366a, 0x07},
714         {0x366e, 0x08},
715         {0x366d, 0x00},
716         {0x366f, 0x80},
717         {0x3700, 0x28},
718         {0x3701, 0x10},
719         {0x3702, 0x3a},
720         {0x3703, 0x19},
721         {0x3704, 0x10},
722         {0x3705, 0x00},
723         {0x3706, 0x66},
724         {0x3707, 0x08},
725         {0x3708, 0x34},
726         {0x3709, 0x40},
727         {0x370a, 0x01},
728         {0x370b, 0x1b},
729         {0x3714, 0x24},
730         {0x371a, 0x3e},
731         {0x3733, 0x00},
732         {0x3734, 0x00},
733         {0x373a, 0x05},
734         {0x373b, 0x06},
735         {0x373c, 0x0a},
736         {0x373f, 0xa0},
737         {0x3755, 0x00},
738         {0x3758, 0x00},
739         {0x375b, 0x0e},
740         {0x3766, 0x5f},
741         {0x3768, 0x00},
742         {0x3769, 0x22},
743         {0x3773, 0x08},
744         {0x3774, 0x1f},
745         {0x3776, 0x06},
746         {0x37a0, 0x88},
747         {0x37a1, 0x5c},
748         {0x37a7, 0x88},
749         {0x37a8, 0x70},
750         {0x37aa, 0x88},
751         {0x37ab, 0x48},
752         {0x37b3, 0x66},
753         {0x37c2, 0x04},
754         {0x37c5, 0x00},
755         {0x37c8, 0x00},
756         {0x3800, 0x00},
757         {0x3801, 0x0c},
758         {0x3802, 0x00},
759         {0x3803, 0x04},
760         {0x3804, 0x0a},
761         {0x3805, 0x33},
762         {0x3806, 0x07},
763         {0x3807, 0xa3},
764         {0x3808, 0x02},
765         {0x3809, 0x88},
766         {0x380a, 0x01},
767         {0x380b, 0xe6},
768         {0x380c, 0x06},
769         {0x380d, 0x90},
770         {0x380e, 0x08},
771         {0x380f, 0x08},
772         {0x3811, 0x04},
773         {0x3813, 0x02},
774         {0x3814, 0x07},
775         {0x3815, 0x01},
776         {0x3816, 0x00},
777         {0x3817, 0x00},
778         {0x3818, 0x00},
779         {0x3819, 0x00},
780         {0x3820, 0x94},
781         {0x3821, 0xc6},
782         {0x3822, 0x48},
783         {0x3826, 0x00},
784         {0x3827, 0x08},
785         {0x382a, 0x07},
786         {0x382b, 0x01},
787         {0x3830, 0x08},
788         {0x3836, 0x02},
789         {0x3837, 0x00},
790         {0x3838, 0x10},
791         {0x3841, 0xff},
792         {0x3846, 0x48},
793         {0x3861, 0x00},
794         {0x3862, 0x04},
795         {0x3863, 0x06},
796         {0x3a11, 0x01},
797         {0x3a12, 0x78},
798         {0x3b00, 0x00},
799         {0x3b02, 0x00},
800         {0x3b03, 0x00},
801         {0x3b04, 0x00},
802         {0x3b05, 0x00},
803         {0x3c00, 0x89},
804         {0x3c01, 0xab},
805         {0x3c02, 0x01},
806         {0x3c03, 0x00},
807         {0x3c04, 0x00},
808         {0x3c05, 0x03},
809         {0x3c06, 0x00},
810         {0x3c07, 0x05},
811         {0x3c0c, 0x00},
812         {0x3c0d, 0x00},
813         {0x3c0e, 0x00},
814         {0x3c0f, 0x00},
815         {0x3c40, 0x00},
816         {0x3c41, 0xa3},
817         {0x3c43, 0x7d},
818         {0x3c45, 0xd7},
819         {0x3c47, 0xfc},
820         {0x3c50, 0x05},
821         {0x3c52, 0xaa},
822         {0x3c54, 0x71},
823         {0x3c56, 0x80},
824         {0x3d85, 0x17},
825         {0x3f03, 0x00},
826         {0x3f0a, 0x00},
827         {0x3f0b, 0x00},
828         {0x4001, 0x60},
829         {0x4009, 0x05},
830         {0x4020, 0x00},
831         {0x4021, 0x00},
832         {0x4022, 0x00},
833         {0x4023, 0x00},
834         {0x4024, 0x00},
835         {0x4025, 0x00},
836         {0x4026, 0x00},
837         {0x4027, 0x00},
838         {0x4028, 0x00},
839         {0x4029, 0x00},
840         {0x402a, 0x00},
841         {0x402b, 0x00},
842         {0x402c, 0x00},
843         {0x402d, 0x00},
844         {0x402e, 0x00},
845         {0x402f, 0x00},
846         {0x4040, 0x00},
847         {0x4041, 0x03},
848         {0x4042, 0x00},
849         {0x4043, 0x7A},
850         {0x4044, 0x00},
851         {0x4045, 0x7A},
852         {0x4046, 0x00},
853         {0x4047, 0x7A},
854         {0x4048, 0x00},
855         {0x4049, 0x7A},
856         {0x4307, 0x30},
857         {0x4500, 0x58},
858         {0x4501, 0x04},
859         {0x4502, 0x40},
860         {0x4503, 0x10},
861         {0x4508, 0x55},
862         {0x4509, 0x55},
863         {0x450a, 0x02},
864         {0x450b, 0x00},
865         {0x4600, 0x00},
866         {0x4601, 0x40},
867         {0x4700, 0xa4},
868         {0x4800, 0x4c},
869         {0x4816, 0x53},
870         {0x481f, 0x40},
871         {0x4837, 0x13},
872         {0x5000, 0x56},
873         {0x5001, 0x01},
874         {0x5002, 0x28},
875         {0x5004, 0x0c},
876         {0x5006, 0x0c},
877         {0x5007, 0xe0},
878         {0x5008, 0x01},
879         {0x5009, 0xb0},
880         {0x5901, 0x00},
881         {0x5a01, 0x00},
882         {0x5a03, 0x00},
883         {0x5a04, 0x0c},
884         {0x5a05, 0xe0},
885         {0x5a06, 0x09},
886         {0x5a07, 0xb0},
887         {0x5a08, 0x06},
888         {0x5e00, 0x00},
889         {0x3734, 0x40},
890         {0x5b00, 0x01},
891         {0x5b01, 0x10},
892         {0x5b02, 0x01},
893         {0x5b03, 0xdb},
894         {0x3d8c, 0x71},
895         {0x3d8d, 0xea},
896         {0x4017, 0x10},
897         {0x3618, 0x2a},
898         {0x5780, 0x3e},
899         {0x5781, 0x0f},
900         {0x5782, 0x44},
901         {0x5783, 0x02},
902         {0x5784, 0x01},
903         {0x5785, 0x01},
904         {0x5786, 0x00},
905         {0x5787, 0x04},
906         {0x5788, 0x02},
907         {0x5789, 0x0f},
908         {0x578a, 0xfd},
909         {0x578b, 0xf5},
910         {0x578c, 0xf5},
911         {0x578d, 0x03},
912         {0x578e, 0x08},
913         {0x578f, 0x0c},
914         {0x5790, 0x08},
915         {0x5791, 0x06},
916         {0x5792, 0x00},
917         {0x5793, 0x52},
918         {0x5794, 0xa3},
919         {0x3503, 0x00}
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 };
1183
1184 static const struct ov5670_reg mode_1280x720_regs[] = {
1185         {0x3000, 0x00},
1186         {0x3002, 0x21},
1187         {0x3005, 0xf0},
1188         {0x3007, 0x00},
1189         {0x3015, 0x0f},
1190         {0x3018, 0x32},
1191         {0x301a, 0xf0},
1192         {0x301b, 0xf0},
1193         {0x301c, 0xf0},
1194         {0x301d, 0xf0},
1195         {0x301e, 0xf0},
1196         {0x3030, 0x00},
1197         {0x3031, 0x0a},
1198         {0x303c, 0xff},
1199         {0x303e, 0xff},
1200         {0x3040, 0xf0},
1201         {0x3041, 0x00},
1202         {0x3042, 0xf0},
1203         {0x3106, 0x11},
1204         {0x3500, 0x00},
1205         {0x3501, 0x80},
1206         {0x3502, 0x00},
1207         {0x3503, 0x04},
1208         {0x3504, 0x03},
1209         {0x3505, 0x83},
1210         {0x3508, 0x04},
1211         {0x3509, 0x00},
1212         {0x350e, 0x04},
1213         {0x350f, 0x00},
1214         {0x3510, 0x00},
1215         {0x3511, 0x02},
1216         {0x3512, 0x00},
1217         {0x3601, 0xc8},
1218         {0x3610, 0x88},
1219         {0x3612, 0x48},
1220         {0x3614, 0x5b},
1221         {0x3615, 0x96},
1222         {0x3621, 0xd0},
1223         {0x3622, 0x00},
1224         {0x3623, 0x00},
1225         {0x3633, 0x13},
1226         {0x3634, 0x13},
1227         {0x3635, 0x13},
1228         {0x3636, 0x13},
1229         {0x3645, 0x13},
1230         {0x3646, 0x82},
1231         {0x3650, 0x00},
1232         {0x3652, 0xff},
1233         {0x3655, 0x20},
1234         {0x3656, 0xff},
1235         {0x365a, 0xff},
1236         {0x365e, 0xff},
1237         {0x3668, 0x00},
1238         {0x366a, 0x07},
1239         {0x366e, 0x08},
1240         {0x366d, 0x00},
1241         {0x366f, 0x80},
1242         {0x3700, 0x28},
1243         {0x3701, 0x10},
1244         {0x3702, 0x3a},
1245         {0x3703, 0x19},
1246         {0x3704, 0x10},
1247         {0x3705, 0x00},
1248         {0x3706, 0x66},
1249         {0x3707, 0x08},
1250         {0x3708, 0x34},
1251         {0x3709, 0x40},
1252         {0x370a, 0x01},
1253         {0x370b, 0x1b},
1254         {0x3714, 0x24},
1255         {0x371a, 0x3e},
1256         {0x3733, 0x00},
1257         {0x3734, 0x00},
1258         {0x373a, 0x05},
1259         {0x373b, 0x06},
1260         {0x373c, 0x0a},
1261         {0x373f, 0xa0},
1262         {0x3755, 0x00},
1263         {0x3758, 0x00},
1264         {0x375b, 0x0e},
1265         {0x3766, 0x5f},
1266         {0x3768, 0x00},
1267         {0x3769, 0x22},
1268         {0x3773, 0x08},
1269         {0x3774, 0x1f},
1270         {0x3776, 0x06},
1271         {0x37a0, 0x88},
1272         {0x37a1, 0x5c},
1273         {0x37a7, 0x88},
1274         {0x37a8, 0x70},
1275         {0x37aa, 0x88},
1276         {0x37ab, 0x48},
1277         {0x37b3, 0x66},
1278         {0x37c2, 0x04},
1279         {0x37c5, 0x00},
1280         {0x37c8, 0x00},
1281         {0x3800, 0x00},
1282         {0x3801, 0x0c},
1283         {0x3802, 0x00},
1284         {0x3803, 0x04},
1285         {0x3804, 0x0a},
1286         {0x3805, 0x33},
1287         {0x3806, 0x07},
1288         {0x3807, 0xa3},
1289         {0x3808, 0x05},
1290         {0x3809, 0x00},
1291         {0x380a, 0x02},
1292         {0x380b, 0xd0},
1293         {0x380c, 0x06},
1294         {0x380d, 0x90},
1295         {0x380e, 0x08},
1296         {0x380f, 0x08},
1297         {0x3811, 0x04},
1298         {0x3813, 0x02},
1299         {0x3814, 0x03},
1300         {0x3815, 0x01},
1301         {0x3816, 0x00},
1302         {0x3817, 0x00},
1303         {0x3818, 0x00},
1304         {0x3819, 0x00},
1305         {0x3820, 0x94},
1306         {0x3821, 0x47},
1307         {0x3822, 0x48},
1308         {0x3826, 0x00},
1309         {0x3827, 0x08},
1310         {0x382a, 0x03},
1311         {0x382b, 0x01},
1312         {0x3830, 0x08},
1313         {0x3836, 0x02},
1314         {0x3837, 0x00},
1315         {0x3838, 0x10},
1316         {0x3841, 0xff},
1317         {0x3846, 0x48},
1318         {0x3861, 0x00},
1319         {0x3862, 0x04},
1320         {0x3863, 0x06},
1321         {0x3a11, 0x01},
1322         {0x3a12, 0x78},
1323         {0x3b00, 0x00},
1324         {0x3b02, 0x00},
1325         {0x3b03, 0x00},
1326         {0x3b04, 0x00},
1327         {0x3b05, 0x00},
1328         {0x3c00, 0x89},
1329         {0x3c01, 0xab},
1330         {0x3c02, 0x01},
1331         {0x3c03, 0x00},
1332         {0x3c04, 0x00},
1333         {0x3c05, 0x03},
1334         {0x3c06, 0x00},
1335         {0x3c07, 0x05},
1336         {0x3c0c, 0x00},
1337         {0x3c0d, 0x00},
1338         {0x3c0e, 0x00},
1339         {0x3c0f, 0x00},
1340         {0x3c40, 0x00},
1341         {0x3c41, 0xa3},
1342         {0x3c43, 0x7d},
1343         {0x3c45, 0xd7},
1344         {0x3c47, 0xfc},
1345         {0x3c50, 0x05},
1346         {0x3c52, 0xaa},
1347         {0x3c54, 0x71},
1348         {0x3c56, 0x80},
1349         {0x3d85, 0x17},
1350         {0x3f03, 0x00},
1351         {0x3f0a, 0x00},
1352         {0x3f0b, 0x00},
1353         {0x4001, 0x60},
1354         {0x4009, 0x05},
1355         {0x4020, 0x00},
1356         {0x4021, 0x00},
1357         {0x4022, 0x00},
1358         {0x4023, 0x00},
1359         {0x4024, 0x00},
1360         {0x4025, 0x00},
1361         {0x4026, 0x00},
1362         {0x4027, 0x00},
1363         {0x4028, 0x00},
1364         {0x4029, 0x00},
1365         {0x402a, 0x00},
1366         {0x402b, 0x00},
1367         {0x402c, 0x00},
1368         {0x402d, 0x00},
1369         {0x402e, 0x00},
1370         {0x402f, 0x00},
1371         {0x4040, 0x00},
1372         {0x4041, 0x03},
1373         {0x4042, 0x00},
1374         {0x4043, 0x7A},
1375         {0x4044, 0x00},
1376         {0x4045, 0x7A},
1377         {0x4046, 0x00},
1378         {0x4047, 0x7A},
1379         {0x4048, 0x00},
1380         {0x4049, 0x7A},
1381         {0x4307, 0x30},
1382         {0x4500, 0x58},
1383         {0x4501, 0x04},
1384         {0x4502, 0x48},
1385         {0x4503, 0x10},
1386         {0x4508, 0x55},
1387         {0x4509, 0x55},
1388         {0x450a, 0x00},
1389         {0x450b, 0x00},
1390         {0x4600, 0x00},
1391         {0x4601, 0x80},
1392         {0x4700, 0xa4},
1393         {0x4800, 0x4c},
1394         {0x4816, 0x53},
1395         {0x481f, 0x40},
1396         {0x4837, 0x13},
1397         {0x5000, 0x56},
1398         {0x5001, 0x01},
1399         {0x5002, 0x28},
1400         {0x5004, 0x0c},
1401         {0x5006, 0x0c},
1402         {0x5007, 0xe0},
1403         {0x5008, 0x01},
1404         {0x5009, 0xb0},
1405         {0x5901, 0x00},
1406         {0x5a01, 0x00},
1407         {0x5a03, 0x00},
1408         {0x5a04, 0x0c},
1409         {0x5a05, 0xe0},
1410         {0x5a06, 0x09},
1411         {0x5a07, 0xb0},
1412         {0x5a08, 0x06},
1413         {0x5e00, 0x00},
1414         {0x3734, 0x40},
1415         {0x5b00, 0x01},
1416         {0x5b01, 0x10},
1417         {0x5b02, 0x01},
1418         {0x5b03, 0xdb},
1419         {0x3d8c, 0x71},
1420         {0x3d8d, 0xea},
1421         {0x4017, 0x10},
1422         {0x3618, 0x2a},
1423         {0x5780, 0x3e},
1424         {0x5781, 0x0f},
1425         {0x5782, 0x44},
1426         {0x5783, 0x02},
1427         {0x5784, 0x01},
1428         {0x5785, 0x01},
1429         {0x5786, 0x00},
1430         {0x5787, 0x04},
1431         {0x5788, 0x02},
1432         {0x5789, 0x0f},
1433         {0x578a, 0xfd},
1434         {0x578b, 0xf5},
1435         {0x578c, 0xf5},
1436         {0x578d, 0x03},
1437         {0x578e, 0x08},
1438         {0x578f, 0x0c},
1439         {0x5790, 0x08},
1440         {0x5791, 0x06},
1441         {0x5792, 0x00},
1442         {0x5793, 0x52},
1443         {0x5794, 0xa3},
1444         {0x3503, 0x00}
1445 };
1446
1447 static const struct ov5670_reg mode_640x360_regs[] = {
1448         {0x3000, 0x00},
1449         {0x3002, 0x21},
1450         {0x3005, 0xf0},
1451         {0x3007, 0x00},
1452         {0x3015, 0x0f},
1453         {0x3018, 0x32},
1454         {0x301a, 0xf0},
1455         {0x301b, 0xf0},
1456         {0x301c, 0xf0},
1457         {0x301d, 0xf0},
1458         {0x301e, 0xf0},
1459         {0x3030, 0x00},
1460         {0x3031, 0x0a},
1461         {0x303c, 0xff},
1462         {0x303e, 0xff},
1463         {0x3040, 0xf0},
1464         {0x3041, 0x00},
1465         {0x3042, 0xf0},
1466         {0x3106, 0x11},
1467         {0x3500, 0x00},
1468         {0x3501, 0x80},
1469         {0x3502, 0x00},
1470         {0x3503, 0x04},
1471         {0x3504, 0x03},
1472         {0x3505, 0x83},
1473         {0x3508, 0x04},
1474         {0x3509, 0x00},
1475         {0x350e, 0x04},
1476         {0x350f, 0x00},
1477         {0x3510, 0x00},
1478         {0x3511, 0x02},
1479         {0x3512, 0x00},
1480         {0x3601, 0xc8},
1481         {0x3610, 0x88},
1482         {0x3612, 0x48},
1483         {0x3614, 0x5b},
1484         {0x3615, 0x96},
1485         {0x3621, 0xd0},
1486         {0x3622, 0x00},
1487         {0x3623, 0x04},
1488         {0x3633, 0x13},
1489         {0x3634, 0x13},
1490         {0x3635, 0x13},
1491         {0x3636, 0x13},
1492         {0x3645, 0x13},
1493         {0x3646, 0x82},
1494         {0x3650, 0x00},
1495         {0x3652, 0xff},
1496         {0x3655, 0x20},
1497         {0x3656, 0xff},
1498         {0x365a, 0xff},
1499         {0x365e, 0xff},
1500         {0x3668, 0x00},
1501         {0x366a, 0x07},
1502         {0x366e, 0x08},
1503         {0x366d, 0x00},
1504         {0x366f, 0x80},
1505         {0x3700, 0x28},
1506         {0x3701, 0x10},
1507         {0x3702, 0x3a},
1508         {0x3703, 0x19},
1509         {0x3704, 0x10},
1510         {0x3705, 0x00},
1511         {0x3706, 0x66},
1512         {0x3707, 0x08},
1513         {0x3708, 0x34},
1514         {0x3709, 0x40},
1515         {0x370a, 0x01},
1516         {0x370b, 0x1b},
1517         {0x3714, 0x24},
1518         {0x371a, 0x3e},
1519         {0x3733, 0x00},
1520         {0x3734, 0x00},
1521         {0x373a, 0x05},
1522         {0x373b, 0x06},
1523         {0x373c, 0x0a},
1524         {0x373f, 0xa0},
1525         {0x3755, 0x00},
1526         {0x3758, 0x00},
1527         {0x375b, 0x0e},
1528         {0x3766, 0x5f},
1529         {0x3768, 0x00},
1530         {0x3769, 0x22},
1531         {0x3773, 0x08},
1532         {0x3774, 0x1f},
1533         {0x3776, 0x06},
1534         {0x37a0, 0x88},
1535         {0x37a1, 0x5c},
1536         {0x37a7, 0x88},
1537         {0x37a8, 0x70},
1538         {0x37aa, 0x88},
1539         {0x37ab, 0x48},
1540         {0x37b3, 0x66},
1541         {0x37c2, 0x04},
1542         {0x37c5, 0x00},
1543         {0x37c8, 0x00},
1544         {0x3800, 0x00},
1545         {0x3801, 0x0c},
1546         {0x3802, 0x00},
1547         {0x3803, 0x04},
1548         {0x3804, 0x0a},
1549         {0x3805, 0x33},
1550         {0x3806, 0x07},
1551         {0x3807, 0xa3},
1552         {0x3808, 0x02},
1553         {0x3809, 0x80},
1554         {0x380a, 0x01},
1555         {0x380b, 0x68},
1556         {0x380c, 0x06},
1557         {0x380d, 0x90},
1558         {0x380e, 0x08},
1559         {0x380f, 0x08},
1560         {0x3811, 0x04},
1561         {0x3813, 0x02},
1562         {0x3814, 0x07},
1563         {0x3815, 0x01},
1564         {0x3816, 0x00},
1565         {0x3817, 0x00},
1566         {0x3818, 0x00},
1567         {0x3819, 0x00},
1568         {0x3820, 0x94},
1569         {0x3821, 0xc6},
1570         {0x3822, 0x48},
1571         {0x3826, 0x00},
1572         {0x3827, 0x08},
1573         {0x382a, 0x07},
1574         {0x382b, 0x01},
1575         {0x3830, 0x08},
1576         {0x3836, 0x02},
1577         {0x3837, 0x00},
1578         {0x3838, 0x10},
1579         {0x3841, 0xff},
1580         {0x3846, 0x48},
1581         {0x3861, 0x00},
1582         {0x3862, 0x04},
1583         {0x3863, 0x06},
1584         {0x3a11, 0x01},
1585         {0x3a12, 0x78},
1586         {0x3b00, 0x00},
1587         {0x3b02, 0x00},
1588         {0x3b03, 0x00},
1589         {0x3b04, 0x00},
1590         {0x3b05, 0x00},
1591         {0x3c00, 0x89},
1592         {0x3c01, 0xab},
1593         {0x3c02, 0x01},
1594         {0x3c03, 0x00},
1595         {0x3c04, 0x00},
1596         {0x3c05, 0x03},
1597         {0x3c06, 0x00},
1598         {0x3c07, 0x05},
1599         {0x3c0c, 0x00},
1600         {0x3c0d, 0x00},
1601         {0x3c0e, 0x00},
1602         {0x3c0f, 0x00},
1603         {0x3c40, 0x00},
1604         {0x3c41, 0xa3},
1605         {0x3c43, 0x7d},
1606         {0x3c45, 0xd7},
1607         {0x3c47, 0xfc},
1608         {0x3c50, 0x05},
1609         {0x3c52, 0xaa},
1610         {0x3c54, 0x71},
1611         {0x3c56, 0x80},
1612         {0x3d85, 0x17},
1613         {0x3f03, 0x00},
1614         {0x3f0a, 0x00},
1615         {0x3f0b, 0x00},
1616         {0x4001, 0x60},
1617         {0x4009, 0x05},
1618         {0x4020, 0x00},
1619         {0x4021, 0x00},
1620         {0x4022, 0x00},
1621         {0x4023, 0x00},
1622         {0x4024, 0x00},
1623         {0x4025, 0x00},
1624         {0x4026, 0x00},
1625         {0x4027, 0x00},
1626         {0x4028, 0x00},
1627         {0x4029, 0x00},
1628         {0x402a, 0x00},
1629         {0x402b, 0x00},
1630         {0x402c, 0x00},
1631         {0x402d, 0x00},
1632         {0x402e, 0x00},
1633         {0x402f, 0x00},
1634         {0x4040, 0x00},
1635         {0x4041, 0x03},
1636         {0x4042, 0x00},
1637         {0x4043, 0x7A},
1638         {0x4044, 0x00},
1639         {0x4045, 0x7A},
1640         {0x4046, 0x00},
1641         {0x4047, 0x7A},
1642         {0x4048, 0x00},
1643         {0x4049, 0x7A},
1644         {0x4307, 0x30},
1645         {0x4500, 0x58},
1646         {0x4501, 0x04},
1647         {0x4502, 0x40},
1648         {0x4503, 0x10},
1649         {0x4508, 0x55},
1650         {0x4509, 0x55},
1651         {0x450a, 0x02},
1652         {0x450b, 0x00},
1653         {0x4600, 0x00},
1654         {0x4601, 0x40},
1655         {0x4700, 0xa4},
1656         {0x4800, 0x4c},
1657         {0x4816, 0x53},
1658         {0x481f, 0x40},
1659         {0x4837, 0x13},
1660         {0x5000, 0x56},
1661         {0x5001, 0x01},
1662         {0x5002, 0x28},
1663         {0x5004, 0x0c},
1664         {0x5006, 0x0c},
1665         {0x5007, 0xe0},
1666         {0x5008, 0x01},
1667         {0x5009, 0xb0},
1668         {0x5901, 0x00},
1669         {0x5a01, 0x00},
1670         {0x5a03, 0x00},
1671         {0x5a04, 0x0c},
1672         {0x5a05, 0xe0},
1673         {0x5a06, 0x09},
1674         {0x5a07, 0xb0},
1675         {0x5a08, 0x06},
1676         {0x5e00, 0x00},
1677         {0x3734, 0x40},
1678         {0x5b00, 0x01},
1679         {0x5b01, 0x10},
1680         {0x5b02, 0x01},
1681         {0x5b03, 0xdb},
1682         {0x3d8c, 0x71},
1683         {0x3d8d, 0xea},
1684         {0x4017, 0x10},
1685         {0x3618, 0x2a},
1686         {0x5780, 0x3e},
1687         {0x5781, 0x0f},
1688         {0x5782, 0x44},
1689         {0x5783, 0x02},
1690         {0x5784, 0x01},
1691         {0x5785, 0x01},
1692         {0x5786, 0x00},
1693         {0x5787, 0x04},
1694         {0x5788, 0x02},
1695         {0x5789, 0x0f},
1696         {0x578a, 0xfd},
1697         {0x578b, 0xf5},
1698         {0x578c, 0xf5},
1699         {0x578d, 0x03},
1700         {0x578e, 0x08},
1701         {0x578f, 0x0c},
1702         {0x5790, 0x08},
1703         {0x5791, 0x06},
1704         {0x5792, 0x00},
1705         {0x5793, 0x52},
1706         {0x5794, 0xa3},
1707         {0x3503, 0x00}
1708 };
1709
1710 static const char * const ov5670_test_pattern_menu[] = {
1711         "Disabled",
1712         "Vertical Color Bar Type 1",
1713 };
1714
1715 /* Supported link frequencies */
1716 #define OV5670_LINK_FREQ_422MHZ         422400000
1717 #define OV5670_LINK_FREQ_422MHZ_INDEX   0
1718 static const struct ov5670_link_freq_config link_freq_configs[] = {
1719         {
1720                 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1721                 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1722                 .reg_list = {
1723                         .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1724                         .regs = mipi_data_rate_840mbps,
1725                 }
1726         }
1727 };
1728
1729 static const s64 link_freq_menu_items[] = {
1730         OV5670_LINK_FREQ_422MHZ
1731 };
1732
1733 /*
1734  * OV5670 sensor supports following resolutions with full FOV:
1735  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1736  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1737  */
1738 static const struct ov5670_mode supported_modes[] = {
1739         {
1740                 .width = 2592,
1741                 .height = 1944,
1742                 .vts_def = OV5670_VTS_30FPS,
1743                 .vts_min = OV5670_VTS_30FPS,
1744                 .reg_list = {
1745                         .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1746                         .regs = mode_2592x1944_regs,
1747                 },
1748                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1749         },
1750         {
1751                 .width = 1296,
1752                 .height = 972,
1753                 .vts_def = OV5670_VTS_30FPS,
1754                 .vts_min = 996,
1755                 .reg_list = {
1756                         .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1757                         .regs = mode_1296x972_regs,
1758                 },
1759                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1760         },
1761         {
1762                 .width = 648,
1763                 .height = 486,
1764                 .vts_def = OV5670_VTS_30FPS,
1765                 .vts_min = 516,
1766                 .reg_list = {
1767                         .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1768                         .regs = mode_648x486_regs,
1769                 },
1770                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1771         },
1772         {
1773                 .width = 2560,
1774                 .height = 1440,
1775                 .vts_def = OV5670_VTS_30FPS,
1776                 .vts_min = OV5670_VTS_30FPS,
1777                 .reg_list = {
1778                         .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1779                         .regs = mode_2560x1440_regs,
1780                 },
1781                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1782         },
1783         {
1784                 .width = 1280,
1785                 .height = 720,
1786                 .vts_def = OV5670_VTS_30FPS,
1787                 .vts_min = 1020,
1788                 .reg_list = {
1789                         .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1790                         .regs = mode_1280x720_regs,
1791                 },
1792                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1793         },
1794         {
1795                 .width = 640,
1796                 .height = 360,
1797                 .vts_def = OV5670_VTS_30FPS,
1798                 .vts_min = 510,
1799                 .reg_list = {
1800                         .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1801                         .regs = mode_640x360_regs,
1802                 },
1803                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1804         }
1805 };
1806
1807 struct ov5670 {
1808         struct v4l2_subdev sd;
1809         struct media_pad pad;
1810
1811         struct v4l2_ctrl_handler ctrl_handler;
1812         /* V4L2 Controls */
1813         struct v4l2_ctrl *link_freq;
1814         struct v4l2_ctrl *pixel_rate;
1815         struct v4l2_ctrl *vblank;
1816         struct v4l2_ctrl *hblank;
1817         struct v4l2_ctrl *exposure;
1818
1819         /* Current mode */
1820         const struct ov5670_mode *cur_mode;
1821
1822         /* To serialize asynchronus callbacks */
1823         struct mutex mutex;
1824
1825         /* Streaming on/off */
1826         bool streaming;
1827 };
1828
1829 #define to_ov5670(_sd)  container_of(_sd, struct ov5670, sd)
1830
1831 /* Read registers up to 4 at a time */
1832 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1833                            u32 *val)
1834 {
1835         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1836         struct i2c_msg msgs[2];
1837         u8 *data_be_p;
1838         u32 data_be = 0;
1839         u16 reg_addr_be = cpu_to_be16(reg);
1840         int ret;
1841
1842         if (len > 4)
1843                 return -EINVAL;
1844
1845         data_be_p = (u8 *)&data_be;
1846         /* Write register address */
1847         msgs[0].addr = client->addr;
1848         msgs[0].flags = 0;
1849         msgs[0].len = 2;
1850         msgs[0].buf = (u8 *)&reg_addr_be;
1851
1852         /* Read data from register */
1853         msgs[1].addr = client->addr;
1854         msgs[1].flags = I2C_M_RD;
1855         msgs[1].len = len;
1856         msgs[1].buf = &data_be_p[4 - len];
1857
1858         ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1859         if (ret != ARRAY_SIZE(msgs))
1860                 return -EIO;
1861
1862         *val = be32_to_cpu(data_be);
1863
1864         return 0;
1865 }
1866
1867 /* Write registers up to 4 at a time */
1868 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1869                             u32 val)
1870 {
1871         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1872         int buf_i;
1873         int val_i;
1874         u8 buf[6];
1875         u8 *val_p;
1876
1877         if (len > 4)
1878                 return -EINVAL;
1879
1880         buf[0] = reg >> 8;
1881         buf[1] = reg & 0xff;
1882
1883         val = cpu_to_be32(val);
1884         val_p = (u8 *)&val;
1885         buf_i = 2;
1886         val_i = 4 - len;
1887
1888         while (val_i < 4)
1889                 buf[buf_i++] = val_p[val_i++];
1890
1891         if (i2c_master_send(client, buf, len + 2) != len + 2)
1892                 return -EIO;
1893
1894         return 0;
1895 }
1896
1897 /* Write a list of registers */
1898 static int ov5670_write_regs(struct ov5670 *ov5670,
1899                              const struct ov5670_reg *regs, unsigned int len)
1900 {
1901         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1902         unsigned int i;
1903         int ret;
1904
1905         for (i = 0; i < len; i++) {
1906                 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1907                 if (ret) {
1908                         dev_err_ratelimited(
1909                                 &client->dev,
1910                                 "Failed to write reg 0x%4.4x. error = %d\n",
1911                                 regs[i].address, ret);
1912
1913                         return ret;
1914                 }
1915         }
1916
1917         return 0;
1918 }
1919
1920 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1921                                  const struct ov5670_reg_list *r_list)
1922 {
1923         return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1924 }
1925
1926 /* Open sub-device */
1927 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1928 {
1929         struct ov5670 *ov5670 = to_ov5670(sd);
1930         struct v4l2_mbus_framefmt *try_fmt =
1931                                 v4l2_subdev_get_try_format(sd, fh->pad, 0);
1932
1933         mutex_lock(&ov5670->mutex);
1934
1935         /* Initialize try_fmt */
1936         try_fmt->width = ov5670->cur_mode->width;
1937         try_fmt->height = ov5670->cur_mode->height;
1938         try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1939         try_fmt->field = V4L2_FIELD_NONE;
1940
1941         /* No crop or compose */
1942         mutex_unlock(&ov5670->mutex);
1943
1944         return 0;
1945 }
1946
1947 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1948 {
1949         int ret;
1950
1951         ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1952                                OV5670_REG_VALUE_16BIT, d_gain);
1953         if (ret)
1954                 return ret;
1955
1956         ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1957                                OV5670_REG_VALUE_16BIT, d_gain);
1958         if (ret)
1959                 return ret;
1960
1961         return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1962                                 OV5670_REG_VALUE_16BIT, d_gain);
1963 }
1964
1965 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1966 {
1967         u32 val;
1968         int ret;
1969
1970         /* Set the bayer order that we support */
1971         ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1972                                OV5670_REG_VALUE_08BIT, 0);
1973         if (ret)
1974                 return ret;
1975
1976         ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1977                               OV5670_REG_VALUE_08BIT, &val);
1978         if (ret)
1979                 return ret;
1980
1981         if (pattern)
1982                 val |= OV5670_TEST_PATTERN_ENABLE;
1983         else
1984                 val &= ~OV5670_TEST_PATTERN_ENABLE;
1985
1986         return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1987                                 OV5670_REG_VALUE_08BIT, val);
1988 }
1989
1990 /* Initialize control handlers */
1991 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
1992 {
1993         struct ov5670 *ov5670 = container_of(ctrl->handler,
1994                                              struct ov5670, ctrl_handler);
1995         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1996         s64 max;
1997         int ret = 0;
1998
1999         /* Propagate change of current control to all related controls */
2000         switch (ctrl->id) {
2001         case V4L2_CID_VBLANK:
2002                 /* Update max exposure while meeting expected vblanking */
2003                 max = ov5670->cur_mode->height + ctrl->val - 8;
2004                 __v4l2_ctrl_modify_range(ov5670->exposure,
2005                                          ov5670->exposure->minimum, max,
2006                                          ov5670->exposure->step, max);
2007                 break;
2008         }
2009
2010         /* V4L2 controls values will be applied only when power is already up */
2011         if (pm_runtime_get_if_in_use(&client->dev) <= 0)
2012                 return 0;
2013
2014         switch (ctrl->id) {
2015         case V4L2_CID_ANALOGUE_GAIN:
2016                 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2017                                        OV5670_REG_VALUE_16BIT, ctrl->val);
2018                 break;
2019         case V4L2_CID_DIGITAL_GAIN:
2020                 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2021                 break;
2022         case V4L2_CID_EXPOSURE:
2023                 /* 4 least significant bits of expsoure are fractional part */
2024                 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2025                                        OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2026                 break;
2027         case V4L2_CID_VBLANK:
2028                 /* Update VTS that meets expected vertical blanking */
2029                 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2030                                        OV5670_REG_VALUE_16BIT,
2031                                        ov5670->cur_mode->height + ctrl->val);
2032                 break;
2033         case V4L2_CID_TEST_PATTERN:
2034                 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2035                 break;
2036         default:
2037                 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2038                          __func__, ctrl->id, ctrl->val);
2039                 break;
2040         }
2041
2042         pm_runtime_put(&client->dev);
2043
2044         return ret;
2045 }
2046
2047 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2048         .s_ctrl = ov5670_set_ctrl,
2049 };
2050
2051 /* Initialize control handlers */
2052 static int ov5670_init_controls(struct ov5670 *ov5670)
2053 {
2054         struct v4l2_ctrl_handler *ctrl_hdlr;
2055         s64 vblank_max;
2056         s64 vblank_def;
2057         s64 vblank_min;
2058         s64 exposure_max;
2059         int ret;
2060
2061         ctrl_hdlr = &ov5670->ctrl_handler;
2062         ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
2063         if (ret)
2064                 return ret;
2065
2066         ctrl_hdlr->lock = &ov5670->mutex;
2067         ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2068                                                    &ov5670_ctrl_ops,
2069                                                    V4L2_CID_LINK_FREQ,
2070                                                    0, 0, link_freq_menu_items);
2071         if (ov5670->link_freq)
2072                 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2073
2074         /* By default, V4L2_CID_PIXEL_RATE is read only */
2075         ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2076                                                V4L2_CID_PIXEL_RATE,
2077                                                link_freq_configs[0].pixel_rate,
2078                                                link_freq_configs[0].pixel_rate,
2079                                                1,
2080                                                link_freq_configs[0].pixel_rate);
2081
2082         vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2083         vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2084         vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2085         ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2086                                            V4L2_CID_VBLANK, vblank_min,
2087                                            vblank_max, 1, vblank_def);
2088
2089         ov5670->hblank = v4l2_ctrl_new_std(
2090                                 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2091                                 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2092                                 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2093                                 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2094         if (ov5670->hblank)
2095                 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2096
2097         /* Get min, max, step, default from sensor */
2098         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2099                           ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2100                           ANALOG_GAIN_DEFAULT);
2101
2102         /* Digital gain */
2103         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2104                           OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2105                           OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2106
2107         /* Get min, max, step, default from sensor */
2108         exposure_max = ov5670->cur_mode->vts_def - 8;
2109         ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2110                                              V4L2_CID_EXPOSURE,
2111                                              OV5670_EXPOSURE_MIN,
2112                                              exposure_max, OV5670_EXPOSURE_STEP,
2113                                              exposure_max);
2114
2115         v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2116                                      V4L2_CID_TEST_PATTERN,
2117                                      ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2118                                      0, 0, ov5670_test_pattern_menu);
2119
2120         if (ctrl_hdlr->error) {
2121                 ret = ctrl_hdlr->error;
2122                 goto error;
2123         }
2124
2125         ov5670->sd.ctrl_handler = ctrl_hdlr;
2126
2127         return 0;
2128
2129 error:
2130         v4l2_ctrl_handler_free(ctrl_hdlr);
2131
2132         return ret;
2133 }
2134
2135 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2136                                  struct v4l2_subdev_pad_config *cfg,
2137                                  struct v4l2_subdev_mbus_code_enum *code)
2138 {
2139         /* Only one bayer order GRBG is supported */
2140         if (code->index > 0)
2141                 return -EINVAL;
2142
2143         code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2144
2145         return 0;
2146 }
2147
2148 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2149                                   struct v4l2_subdev_pad_config *cfg,
2150                                   struct v4l2_subdev_frame_size_enum *fse)
2151 {
2152         if (fse->index >= ARRAY_SIZE(supported_modes))
2153                 return -EINVAL;
2154
2155         if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2156                 return -EINVAL;
2157
2158         fse->min_width = supported_modes[fse->index].width;
2159         fse->max_width = fse->min_width;
2160         fse->min_height = supported_modes[fse->index].height;
2161         fse->max_height = fse->min_height;
2162
2163         return 0;
2164 }
2165
2166 /* Calculate resolution distance */
2167 static int ov5670_get_reso_dist(const struct ov5670_mode *mode,
2168                                 struct v4l2_mbus_framefmt *framefmt)
2169 {
2170         return abs(mode->width - framefmt->width) +
2171                abs(mode->height - framefmt->height);
2172 }
2173
2174 /* Find the closest supported resolution to the requested resolution */
2175 static const struct ov5670_mode *ov5670_find_best_fit(
2176                                                 struct ov5670 *ov5670,
2177                                                 struct v4l2_subdev_format *fmt)
2178 {
2179         struct v4l2_mbus_framefmt *framefmt = &fmt->format;
2180         int dist;
2181         int cur_best_fit = 0;
2182         int cur_best_fit_dist = -1;
2183         int i;
2184
2185         for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
2186                 dist = ov5670_get_reso_dist(&supported_modes[i], framefmt);
2187                 if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
2188                         cur_best_fit_dist = dist;
2189                         cur_best_fit = i;
2190                 }
2191         }
2192
2193         return &supported_modes[cur_best_fit];
2194 }
2195
2196 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2197                                      struct v4l2_subdev_format *fmt)
2198 {
2199         fmt->format.width = mode->width;
2200         fmt->format.height = mode->height;
2201         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2202         fmt->format.field = V4L2_FIELD_NONE;
2203 }
2204
2205 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2206                                     struct v4l2_subdev_pad_config *cfg,
2207                                     struct v4l2_subdev_format *fmt)
2208 {
2209         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2210                 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, cfg,
2211                                                           fmt->pad);
2212         else
2213                 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2214
2215         return 0;
2216 }
2217
2218 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2219                                  struct v4l2_subdev_pad_config *cfg,
2220                                  struct v4l2_subdev_format *fmt)
2221 {
2222         struct ov5670 *ov5670 = to_ov5670(sd);
2223         int ret;
2224
2225         mutex_lock(&ov5670->mutex);
2226         ret = ov5670_do_get_pad_format(ov5670, cfg, fmt);
2227         mutex_unlock(&ov5670->mutex);
2228
2229         return ret;
2230 }
2231
2232 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2233                                  struct v4l2_subdev_pad_config *cfg,
2234                                  struct v4l2_subdev_format *fmt)
2235 {
2236         struct ov5670 *ov5670 = to_ov5670(sd);
2237         const struct ov5670_mode *mode;
2238         s32 vblank_def;
2239         s32 h_blank;
2240
2241         mutex_lock(&ov5670->mutex);
2242
2243         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2244
2245         mode = ov5670_find_best_fit(ov5670, fmt);
2246         ov5670_update_pad_format(mode, fmt);
2247         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2248                 *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
2249         } else {
2250                 ov5670->cur_mode = mode;
2251                 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2252                 __v4l2_ctrl_s_ctrl_int64(
2253                         ov5670->pixel_rate,
2254                         link_freq_configs[mode->link_freq_index].pixel_rate);
2255                 /* Update limits and set FPS to default */
2256                 vblank_def = ov5670->cur_mode->vts_def -
2257                              ov5670->cur_mode->height;
2258                 __v4l2_ctrl_modify_range(
2259                         ov5670->vblank,
2260                         ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2261                         OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2262                         vblank_def);
2263                 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2264                 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2265                 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2266                                          h_blank);
2267         }
2268
2269         mutex_unlock(&ov5670->mutex);
2270
2271         return 0;
2272 }
2273
2274 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2275 {
2276         *frames = OV5670_NUM_OF_SKIP_FRAMES;
2277
2278         return 0;
2279 }
2280
2281 /* Prepare streaming by writing default values and customized values */
2282 static int ov5670_start_streaming(struct ov5670 *ov5670)
2283 {
2284         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2285         const struct ov5670_reg_list *reg_list;
2286         int link_freq_index;
2287         int ret;
2288
2289         /* Get out of from software reset */
2290         ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2291                                OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2292         if (ret) {
2293                 dev_err(&client->dev, "%s failed to set powerup registers\n",
2294                         __func__);
2295                 return ret;
2296         }
2297
2298         /* Setup PLL */
2299         link_freq_index = ov5670->cur_mode->link_freq_index;
2300         reg_list = &link_freq_configs[link_freq_index].reg_list;
2301         ret = ov5670_write_reg_list(ov5670, reg_list);
2302         if (ret) {
2303                 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2304                 return ret;
2305         }
2306
2307         /* Apply default values of current mode */
2308         reg_list = &ov5670->cur_mode->reg_list;
2309         ret = ov5670_write_reg_list(ov5670, reg_list);
2310         if (ret) {
2311                 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2312                 return ret;
2313         }
2314
2315         ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2316         if (ret)
2317                 return ret;
2318
2319         /* Write stream on list */
2320         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2321                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2322         if (ret) {
2323                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2324                 return ret;
2325         }
2326
2327         ov5670->streaming = true;
2328
2329         return 0;
2330 }
2331
2332 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2333 {
2334         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2335         int ret;
2336
2337         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2338                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2339         if (ret)
2340                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2341
2342         ov5670->streaming = false;
2343
2344         /* Return success even if it was an error, as there is nothing the
2345          * caller can do about it.
2346          */
2347         return 0;
2348 }
2349
2350 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2351 {
2352         struct ov5670 *ov5670 = to_ov5670(sd);
2353         struct i2c_client *client = v4l2_get_subdevdata(sd);
2354         int ret = 0;
2355
2356         mutex_lock(&ov5670->mutex);
2357         if (ov5670->streaming == enable)
2358                 goto unlock_and_return;
2359
2360         if (enable) {
2361                 ret = pm_runtime_get_sync(&client->dev);
2362                 if (ret < 0) {
2363                         pm_runtime_put_noidle(&client->dev);
2364                         goto unlock_and_return;
2365                 }
2366
2367                 ret = ov5670_start_streaming(ov5670);
2368                 if (ret)
2369                         goto error;
2370         } else {
2371                 ret = ov5670_stop_streaming(ov5670);
2372                 pm_runtime_put(&client->dev);
2373         }
2374         goto unlock_and_return;
2375
2376 error:
2377         pm_runtime_put(&client->dev);
2378
2379 unlock_and_return:
2380         mutex_unlock(&ov5670->mutex);
2381
2382         return ret;
2383 }
2384
2385 static int __maybe_unused ov5670_suspend(struct device *dev)
2386 {
2387         struct i2c_client *client = to_i2c_client(dev);
2388         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2389         struct ov5670 *ov5670 = to_ov5670(sd);
2390
2391         if (ov5670->streaming)
2392                 ov5670_stop_streaming(ov5670);
2393
2394         return 0;
2395 }
2396
2397 static int __maybe_unused ov5670_resume(struct device *dev)
2398 {
2399         struct i2c_client *client = to_i2c_client(dev);
2400         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2401         struct ov5670 *ov5670 = to_ov5670(sd);
2402         int ret;
2403
2404         if (ov5670->streaming) {
2405                 ret = ov5670_start_streaming(ov5670);
2406                 if (ret) {
2407                         ov5670_stop_streaming(ov5670);
2408                         return ret;
2409                 }
2410         }
2411
2412         return 0;
2413 }
2414
2415 /* Verify chip ID */
2416 static int ov5670_identify_module(struct ov5670 *ov5670)
2417 {
2418         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2419         int ret;
2420         u32 val;
2421
2422         ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2423                               OV5670_REG_VALUE_24BIT, &val);
2424         if (ret)
2425                 return ret;
2426
2427         if (val != OV5670_CHIP_ID) {
2428                 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2429                         OV5670_CHIP_ID, val);
2430                 return -ENXIO;
2431         }
2432
2433         return 0;
2434 }
2435
2436 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2437         .s_stream = ov5670_set_stream,
2438 };
2439
2440 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2441         .enum_mbus_code = ov5670_enum_mbus_code,
2442         .get_fmt = ov5670_get_pad_format,
2443         .set_fmt = ov5670_set_pad_format,
2444         .enum_frame_size = ov5670_enum_frame_size,
2445 };
2446
2447 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2448         .g_skip_frames = ov5670_get_skip_frames,
2449 };
2450
2451 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2452         .video = &ov5670_video_ops,
2453         .pad = &ov5670_pad_ops,
2454         .sensor = &ov5670_sensor_ops,
2455 };
2456
2457 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2458         .link_validate = v4l2_subdev_link_validate,
2459 };
2460
2461 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2462         .open = ov5670_open,
2463 };
2464
2465 static int ov5670_probe(struct i2c_client *client)
2466 {
2467         struct ov5670 *ov5670;
2468         const char *err_msg;
2469         u32 input_clk = 0;
2470         int ret;
2471
2472         device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2473         if (input_clk != 19200000)
2474                 return -EINVAL;
2475
2476         ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2477         if (!ov5670) {
2478                 ret = -ENOMEM;
2479                 err_msg = "devm_kzalloc() error";
2480                 goto error_print;
2481         }
2482
2483         /* Initialize subdev */
2484         v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2485
2486         /* Check module identity */
2487         ret = ov5670_identify_module(ov5670);
2488         if (ret) {
2489                 err_msg = "ov5670_identify_module() error";
2490                 goto error_print;
2491         }
2492
2493         mutex_init(&ov5670->mutex);
2494
2495         /* Set default mode to max resolution */
2496         ov5670->cur_mode = &supported_modes[0];
2497
2498         ret = ov5670_init_controls(ov5670);
2499         if (ret) {
2500                 err_msg = "ov5670_init_controls() error";
2501                 goto error_mutex_destroy;
2502         }
2503
2504         ov5670->sd.internal_ops = &ov5670_internal_ops;
2505         ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2506         ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2507         ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2508
2509         /* Source pad initialization */
2510         ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2511         ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2512         if (ret) {
2513                 err_msg = "media_entity_pads_init() error";
2514                 goto error_handler_free;
2515         }
2516
2517         /* Async register for subdev */
2518         ret = v4l2_async_register_subdev(&ov5670->sd);
2519         if (ret < 0) {
2520                 err_msg = "v4l2_async_register_subdev() error";
2521                 goto error_entity_cleanup;
2522         }
2523
2524         ov5670->streaming = false;
2525
2526         /*
2527          * Device is already turned on by i2c-core with ACPI domain PM.
2528          * Enable runtime PM and turn off the device.
2529          */
2530         pm_runtime_get_noresume(&client->dev);
2531         pm_runtime_set_active(&client->dev);
2532         pm_runtime_enable(&client->dev);
2533         pm_runtime_put(&client->dev);
2534
2535         return 0;
2536
2537 error_entity_cleanup:
2538         media_entity_cleanup(&ov5670->sd.entity);
2539
2540 error_handler_free:
2541         v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2542
2543 error_mutex_destroy:
2544         mutex_destroy(&ov5670->mutex);
2545
2546 error_print:
2547         dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2548
2549         return ret;
2550 }
2551
2552 static int ov5670_remove(struct i2c_client *client)
2553 {
2554         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2555         struct ov5670 *ov5670 = to_ov5670(sd);
2556
2557         v4l2_async_unregister_subdev(sd);
2558         media_entity_cleanup(&sd->entity);
2559         v4l2_ctrl_handler_free(sd->ctrl_handler);
2560         mutex_destroy(&ov5670->mutex);
2561
2562         /*
2563          * Disable runtime PM but keep the device turned on.
2564          * i2c-core with ACPI domain PM will turn off the device.
2565          */
2566         pm_runtime_get_sync(&client->dev);
2567         pm_runtime_disable(&client->dev);
2568         pm_runtime_set_suspended(&client->dev);
2569         pm_runtime_put_noidle(&client->dev);
2570
2571         return 0;
2572 }
2573
2574 static const struct dev_pm_ops ov5670_pm_ops = {
2575         SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2576 };
2577
2578 #ifdef CONFIG_ACPI
2579 static const struct acpi_device_id ov5670_acpi_ids[] = {
2580         {"INT3479"},
2581         { /* sentinel */ }
2582 };
2583
2584 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2585 #endif
2586
2587 static struct i2c_driver ov5670_i2c_driver = {
2588         .driver = {
2589                 .name = "ov5670",
2590                 .pm = &ov5670_pm_ops,
2591                 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2592         },
2593         .probe_new = ov5670_probe,
2594         .remove = ov5670_remove,
2595 };
2596
2597 module_i2c_driver(ov5670_i2c_driver);
2598
2599 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2600 MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>");
2601 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2602 MODULE_LICENSE("GPL v2");