GNU Linux-libre 6.1.86-gnu
[releases.git] / drivers / media / i2c / ov5670.c
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Intel Corporation.
3
4 #include <linux/acpi.h>
5 #include <linux/i2c.h>
6 #include <linux/module.h>
7 #include <linux/pm_runtime.h>
8 #include <media/v4l2-ctrls.h>
9 #include <media/v4l2-device.h>
10 #include <media/v4l2-event.h>
11 #include <media/v4l2-fwnode.h>
12
13 #define OV5670_REG_CHIP_ID              0x300a
14 #define OV5670_CHIP_ID                  0x005670
15
16 #define OV5670_REG_MODE_SELECT          0x0100
17 #define OV5670_MODE_STANDBY             0x00
18 #define OV5670_MODE_STREAMING           0x01
19
20 #define OV5670_REG_SOFTWARE_RST         0x0103
21 #define OV5670_SOFTWARE_RST             0x01
22
23 /* vertical-timings from sensor */
24 #define OV5670_REG_VTS                  0x380e
25 #define OV5670_VTS_30FPS                0x0808 /* default for 30 fps */
26 #define OV5670_VTS_MAX                  0xffff
27
28 /* horizontal-timings from sensor */
29 #define OV5670_REG_HTS                  0x380c
30
31 /*
32  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
33  * In OV5670, Time-per-line = HTS/SCLK.
34  * HTS is fixed for all resolutions, not recommended to change.
35  */
36 #define OV5670_FIXED_PPL                2724    /* Pixels per line */
37
38 /* Exposure controls from sensor */
39 #define OV5670_REG_EXPOSURE             0x3500
40 #define OV5670_EXPOSURE_MIN             4
41 #define OV5670_EXPOSURE_STEP            1
42
43 /* Analog gain controls from sensor */
44 #define OV5670_REG_ANALOG_GAIN          0x3508
45 #define ANALOG_GAIN_MIN                 0
46 #define ANALOG_GAIN_MAX                 8191
47 #define ANALOG_GAIN_STEP                1
48 #define ANALOG_GAIN_DEFAULT             128
49
50 /* Digital gain controls from sensor */
51 #define OV5670_REG_R_DGTL_GAIN          0x5032
52 #define OV5670_REG_G_DGTL_GAIN          0x5034
53 #define OV5670_REG_B_DGTL_GAIN          0x5036
54 #define OV5670_DGTL_GAIN_MIN            0
55 #define OV5670_DGTL_GAIN_MAX            4095
56 #define OV5670_DGTL_GAIN_STEP           1
57 #define OV5670_DGTL_GAIN_DEFAULT        1024
58
59 /* Test Pattern Control */
60 #define OV5670_REG_TEST_PATTERN         0x4303
61 #define OV5670_TEST_PATTERN_ENABLE      BIT(3)
62 #define OV5670_REG_TEST_PATTERN_CTRL    0x4320
63
64 #define OV5670_REG_VALUE_08BIT          1
65 #define OV5670_REG_VALUE_16BIT          2
66 #define OV5670_REG_VALUE_24BIT          3
67
68 /* Initial number of frames to skip to avoid possible garbage */
69 #define OV5670_NUM_OF_SKIP_FRAMES       2
70
71 struct ov5670_reg {
72         u16 address;
73         u8 val;
74 };
75
76 struct ov5670_reg_list {
77         u32 num_of_regs;
78         const struct ov5670_reg *regs;
79 };
80
81 struct ov5670_link_freq_config {
82         u32 pixel_rate;
83         const struct ov5670_reg_list reg_list;
84 };
85
86 struct ov5670_mode {
87         /* Frame width in pixels */
88         u32 width;
89
90         /* Frame height in pixels */
91         u32 height;
92
93         /* Default vertical timining size */
94         u32 vts_def;
95
96         /* Min vertical timining size */
97         u32 vts_min;
98
99         /* Link frequency needed for this resolution */
100         u32 link_freq_index;
101
102         /* Sensor register settings for this resolution */
103         const struct ov5670_reg_list reg_list;
104 };
105
106 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
107         {0x0300, 0x04},
108         {0x0301, 0x00},
109         {0x0302, 0x84},
110         {0x0303, 0x00},
111         {0x0304, 0x03},
112         {0x0305, 0x01},
113         {0x0306, 0x01},
114         {0x030a, 0x00},
115         {0x030b, 0x00},
116         {0x030c, 0x00},
117         {0x030d, 0x26},
118         {0x030e, 0x00},
119         {0x030f, 0x06},
120         {0x0312, 0x01},
121         {0x3031, 0x0a},
122 };
123
124 static const struct ov5670_reg mode_2592x1944_regs[] = {
125         {0x3000, 0x00},
126         {0x3002, 0x21},
127         {0x3005, 0xf0},
128         {0x3007, 0x00},
129         {0x3015, 0x0f},
130         {0x3018, 0x32},
131         {0x301a, 0xf0},
132         {0x301b, 0xf0},
133         {0x301c, 0xf0},
134         {0x301d, 0xf0},
135         {0x301e, 0xf0},
136         {0x3030, 0x00},
137         {0x3031, 0x0a},
138         {0x303c, 0xff},
139         {0x303e, 0xff},
140         {0x3040, 0xf0},
141         {0x3041, 0x00},
142         {0x3042, 0xf0},
143         {0x3106, 0x11},
144         {0x3500, 0x00},
145         {0x3501, 0x80},
146         {0x3502, 0x00},
147         {0x3503, 0x04},
148         {0x3504, 0x03},
149         {0x3505, 0x83},
150         {0x3508, 0x04},
151         {0x3509, 0x00},
152         {0x350e, 0x04},
153         {0x350f, 0x00},
154         {0x3510, 0x00},
155         {0x3511, 0x02},
156         {0x3512, 0x00},
157         {0x3601, 0xc8},
158         {0x3610, 0x88},
159         {0x3612, 0x48},
160         {0x3614, 0x5b},
161         {0x3615, 0x96},
162         {0x3621, 0xd0},
163         {0x3622, 0x00},
164         {0x3623, 0x00},
165         {0x3633, 0x13},
166         {0x3634, 0x13},
167         {0x3635, 0x13},
168         {0x3636, 0x13},
169         {0x3645, 0x13},
170         {0x3646, 0x82},
171         {0x3650, 0x00},
172         {0x3652, 0xff},
173         {0x3655, 0x20},
174         {0x3656, 0xff},
175         {0x365a, 0xff},
176         {0x365e, 0xff},
177         {0x3668, 0x00},
178         {0x366a, 0x07},
179         {0x366e, 0x10},
180         {0x366d, 0x00},
181         {0x366f, 0x80},
182         {0x3700, 0x28},
183         {0x3701, 0x10},
184         {0x3702, 0x3a},
185         {0x3703, 0x19},
186         {0x3704, 0x10},
187         {0x3705, 0x00},
188         {0x3706, 0x66},
189         {0x3707, 0x08},
190         {0x3708, 0x34},
191         {0x3709, 0x40},
192         {0x370a, 0x01},
193         {0x370b, 0x1b},
194         {0x3714, 0x24},
195         {0x371a, 0x3e},
196         {0x3733, 0x00},
197         {0x3734, 0x00},
198         {0x373a, 0x05},
199         {0x373b, 0x06},
200         {0x373c, 0x0a},
201         {0x373f, 0xa0},
202         {0x3755, 0x00},
203         {0x3758, 0x00},
204         {0x375b, 0x0e},
205         {0x3766, 0x5f},
206         {0x3768, 0x00},
207         {0x3769, 0x22},
208         {0x3773, 0x08},
209         {0x3774, 0x1f},
210         {0x3776, 0x06},
211         {0x37a0, 0x88},
212         {0x37a1, 0x5c},
213         {0x37a7, 0x88},
214         {0x37a8, 0x70},
215         {0x37aa, 0x88},
216         {0x37ab, 0x48},
217         {0x37b3, 0x66},
218         {0x37c2, 0x04},
219         {0x37c5, 0x00},
220         {0x37c8, 0x00},
221         {0x3800, 0x00},
222         {0x3801, 0x0c},
223         {0x3802, 0x00},
224         {0x3803, 0x04},
225         {0x3804, 0x0a},
226         {0x3805, 0x33},
227         {0x3806, 0x07},
228         {0x3807, 0xa3},
229         {0x3808, 0x0a},
230         {0x3809, 0x20},
231         {0x380a, 0x07},
232         {0x380b, 0x98},
233         {0x380c, 0x06},
234         {0x380d, 0x90},
235         {0x380e, 0x08},
236         {0x380f, 0x08},
237         {0x3811, 0x04},
238         {0x3813, 0x02},
239         {0x3814, 0x01},
240         {0x3815, 0x01},
241         {0x3816, 0x00},
242         {0x3817, 0x00},
243         {0x3818, 0x00},
244         {0x3819, 0x00},
245         {0x3820, 0x84},
246         {0x3821, 0x46},
247         {0x3822, 0x48},
248         {0x3826, 0x00},
249         {0x3827, 0x08},
250         {0x382a, 0x01},
251         {0x382b, 0x01},
252         {0x3830, 0x08},
253         {0x3836, 0x02},
254         {0x3837, 0x00},
255         {0x3838, 0x10},
256         {0x3841, 0xff},
257         {0x3846, 0x48},
258         {0x3861, 0x00},
259         {0x3862, 0x04},
260         {0x3863, 0x06},
261         {0x3a11, 0x01},
262         {0x3a12, 0x78},
263         {0x3b00, 0x00},
264         {0x3b02, 0x00},
265         {0x3b03, 0x00},
266         {0x3b04, 0x00},
267         {0x3b05, 0x00},
268         {0x3c00, 0x89},
269         {0x3c01, 0xab},
270         {0x3c02, 0x01},
271         {0x3c03, 0x00},
272         {0x3c04, 0x00},
273         {0x3c05, 0x03},
274         {0x3c06, 0x00},
275         {0x3c07, 0x05},
276         {0x3c0c, 0x00},
277         {0x3c0d, 0x00},
278         {0x3c0e, 0x00},
279         {0x3c0f, 0x00},
280         {0x3c40, 0x00},
281         {0x3c41, 0xa3},
282         {0x3c43, 0x7d},
283         {0x3c45, 0xd7},
284         {0x3c47, 0xfc},
285         {0x3c50, 0x05},
286         {0x3c52, 0xaa},
287         {0x3c54, 0x71},
288         {0x3c56, 0x80},
289         {0x3d85, 0x17},
290         {0x3f03, 0x00},
291         {0x3f0a, 0x00},
292         {0x3f0b, 0x00},
293         {0x4001, 0x60},
294         {0x4009, 0x0d},
295         {0x4020, 0x00},
296         {0x4021, 0x00},
297         {0x4022, 0x00},
298         {0x4023, 0x00},
299         {0x4024, 0x00},
300         {0x4025, 0x00},
301         {0x4026, 0x00},
302         {0x4027, 0x00},
303         {0x4028, 0x00},
304         {0x4029, 0x00},
305         {0x402a, 0x00},
306         {0x402b, 0x00},
307         {0x402c, 0x00},
308         {0x402d, 0x00},
309         {0x402e, 0x00},
310         {0x402f, 0x00},
311         {0x4040, 0x00},
312         {0x4041, 0x03},
313         {0x4042, 0x00},
314         {0x4043, 0x7A},
315         {0x4044, 0x00},
316         {0x4045, 0x7A},
317         {0x4046, 0x00},
318         {0x4047, 0x7A},
319         {0x4048, 0x00},
320         {0x4049, 0x7A},
321         {0x4307, 0x30},
322         {0x4500, 0x58},
323         {0x4501, 0x04},
324         {0x4502, 0x40},
325         {0x4503, 0x10},
326         {0x4508, 0xaa},
327         {0x4509, 0xaa},
328         {0x450a, 0x00},
329         {0x450b, 0x00},
330         {0x4600, 0x01},
331         {0x4601, 0x03},
332         {0x4700, 0xa4},
333         {0x4800, 0x4c},
334         {0x4816, 0x53},
335         {0x481f, 0x40},
336         {0x4837, 0x13},
337         {0x5000, 0x56},
338         {0x5001, 0x01},
339         {0x5002, 0x28},
340         {0x5004, 0x0c},
341         {0x5006, 0x0c},
342         {0x5007, 0xe0},
343         {0x5008, 0x01},
344         {0x5009, 0xb0},
345         {0x5901, 0x00},
346         {0x5a01, 0x00},
347         {0x5a03, 0x00},
348         {0x5a04, 0x0c},
349         {0x5a05, 0xe0},
350         {0x5a06, 0x09},
351         {0x5a07, 0xb0},
352         {0x5a08, 0x06},
353         {0x5e00, 0x00},
354         {0x3734, 0x40},
355         {0x5b00, 0x01},
356         {0x5b01, 0x10},
357         {0x5b02, 0x01},
358         {0x5b03, 0xdb},
359         {0x3d8c, 0x71},
360         {0x3d8d, 0xea},
361         {0x4017, 0x08},
362         {0x3618, 0x2a},
363         {0x5780, 0x3e},
364         {0x5781, 0x0f},
365         {0x5782, 0x44},
366         {0x5783, 0x02},
367         {0x5784, 0x01},
368         {0x5785, 0x01},
369         {0x5786, 0x00},
370         {0x5787, 0x04},
371         {0x5788, 0x02},
372         {0x5789, 0x0f},
373         {0x578a, 0xfd},
374         {0x578b, 0xf5},
375         {0x578c, 0xf5},
376         {0x578d, 0x03},
377         {0x578e, 0x08},
378         {0x578f, 0x0c},
379         {0x5790, 0x08},
380         {0x5791, 0x06},
381         {0x5792, 0x00},
382         {0x5793, 0x52},
383         {0x5794, 0xa3},
384         {0x3503, 0x00},
385         {0x5045, 0x05},
386         {0x4003, 0x40},
387         {0x5048, 0x40}
388 };
389
390 static const struct ov5670_reg mode_1296x972_regs[] = {
391         {0x3000, 0x00},
392         {0x3002, 0x21},
393         {0x3005, 0xf0},
394         {0x3007, 0x00},
395         {0x3015, 0x0f},
396         {0x3018, 0x32},
397         {0x301a, 0xf0},
398         {0x301b, 0xf0},
399         {0x301c, 0xf0},
400         {0x301d, 0xf0},
401         {0x301e, 0xf0},
402         {0x3030, 0x00},
403         {0x3031, 0x0a},
404         {0x303c, 0xff},
405         {0x303e, 0xff},
406         {0x3040, 0xf0},
407         {0x3041, 0x00},
408         {0x3042, 0xf0},
409         {0x3106, 0x11},
410         {0x3500, 0x00},
411         {0x3501, 0x80},
412         {0x3502, 0x00},
413         {0x3503, 0x04},
414         {0x3504, 0x03},
415         {0x3505, 0x83},
416         {0x3508, 0x07},
417         {0x3509, 0x80},
418         {0x350e, 0x04},
419         {0x350f, 0x00},
420         {0x3510, 0x00},
421         {0x3511, 0x02},
422         {0x3512, 0x00},
423         {0x3601, 0xc8},
424         {0x3610, 0x88},
425         {0x3612, 0x48},
426         {0x3614, 0x5b},
427         {0x3615, 0x96},
428         {0x3621, 0xd0},
429         {0x3622, 0x00},
430         {0x3623, 0x00},
431         {0x3633, 0x13},
432         {0x3634, 0x13},
433         {0x3635, 0x13},
434         {0x3636, 0x13},
435         {0x3645, 0x13},
436         {0x3646, 0x82},
437         {0x3650, 0x00},
438         {0x3652, 0xff},
439         {0x3655, 0x20},
440         {0x3656, 0xff},
441         {0x365a, 0xff},
442         {0x365e, 0xff},
443         {0x3668, 0x00},
444         {0x366a, 0x07},
445         {0x366e, 0x08},
446         {0x366d, 0x00},
447         {0x366f, 0x80},
448         {0x3700, 0x28},
449         {0x3701, 0x10},
450         {0x3702, 0x3a},
451         {0x3703, 0x19},
452         {0x3704, 0x10},
453         {0x3705, 0x00},
454         {0x3706, 0x66},
455         {0x3707, 0x08},
456         {0x3708, 0x34},
457         {0x3709, 0x40},
458         {0x370a, 0x01},
459         {0x370b, 0x1b},
460         {0x3714, 0x24},
461         {0x371a, 0x3e},
462         {0x3733, 0x00},
463         {0x3734, 0x00},
464         {0x373a, 0x05},
465         {0x373b, 0x06},
466         {0x373c, 0x0a},
467         {0x373f, 0xa0},
468         {0x3755, 0x00},
469         {0x3758, 0x00},
470         {0x375b, 0x0e},
471         {0x3766, 0x5f},
472         {0x3768, 0x00},
473         {0x3769, 0x22},
474         {0x3773, 0x08},
475         {0x3774, 0x1f},
476         {0x3776, 0x06},
477         {0x37a0, 0x88},
478         {0x37a1, 0x5c},
479         {0x37a7, 0x88},
480         {0x37a8, 0x70},
481         {0x37aa, 0x88},
482         {0x37ab, 0x48},
483         {0x37b3, 0x66},
484         {0x37c2, 0x04},
485         {0x37c5, 0x00},
486         {0x37c8, 0x00},
487         {0x3800, 0x00},
488         {0x3801, 0x0c},
489         {0x3802, 0x00},
490         {0x3803, 0x04},
491         {0x3804, 0x0a},
492         {0x3805, 0x33},
493         {0x3806, 0x07},
494         {0x3807, 0xa3},
495         {0x3808, 0x05},
496         {0x3809, 0x10},
497         {0x380a, 0x03},
498         {0x380b, 0xcc},
499         {0x380c, 0x06},
500         {0x380d, 0x90},
501         {0x380e, 0x08},
502         {0x380f, 0x08},
503         {0x3811, 0x04},
504         {0x3813, 0x04},
505         {0x3814, 0x03},
506         {0x3815, 0x01},
507         {0x3816, 0x00},
508         {0x3817, 0x00},
509         {0x3818, 0x00},
510         {0x3819, 0x00},
511         {0x3820, 0x94},
512         {0x3821, 0x47},
513         {0x3822, 0x48},
514         {0x3826, 0x00},
515         {0x3827, 0x08},
516         {0x382a, 0x03},
517         {0x382b, 0x01},
518         {0x3830, 0x08},
519         {0x3836, 0x02},
520         {0x3837, 0x00},
521         {0x3838, 0x10},
522         {0x3841, 0xff},
523         {0x3846, 0x48},
524         {0x3861, 0x00},
525         {0x3862, 0x04},
526         {0x3863, 0x06},
527         {0x3a11, 0x01},
528         {0x3a12, 0x78},
529         {0x3b00, 0x00},
530         {0x3b02, 0x00},
531         {0x3b03, 0x00},
532         {0x3b04, 0x00},
533         {0x3b05, 0x00},
534         {0x3c00, 0x89},
535         {0x3c01, 0xab},
536         {0x3c02, 0x01},
537         {0x3c03, 0x00},
538         {0x3c04, 0x00},
539         {0x3c05, 0x03},
540         {0x3c06, 0x00},
541         {0x3c07, 0x05},
542         {0x3c0c, 0x00},
543         {0x3c0d, 0x00},
544         {0x3c0e, 0x00},
545         {0x3c0f, 0x00},
546         {0x3c40, 0x00},
547         {0x3c41, 0xa3},
548         {0x3c43, 0x7d},
549         {0x3c45, 0xd7},
550         {0x3c47, 0xfc},
551         {0x3c50, 0x05},
552         {0x3c52, 0xaa},
553         {0x3c54, 0x71},
554         {0x3c56, 0x80},
555         {0x3d85, 0x17},
556         {0x3f03, 0x00},
557         {0x3f0a, 0x00},
558         {0x3f0b, 0x00},
559         {0x4001, 0x60},
560         {0x4009, 0x05},
561         {0x4020, 0x00},
562         {0x4021, 0x00},
563         {0x4022, 0x00},
564         {0x4023, 0x00},
565         {0x4024, 0x00},
566         {0x4025, 0x00},
567         {0x4026, 0x00},
568         {0x4027, 0x00},
569         {0x4028, 0x00},
570         {0x4029, 0x00},
571         {0x402a, 0x00},
572         {0x402b, 0x00},
573         {0x402c, 0x00},
574         {0x402d, 0x00},
575         {0x402e, 0x00},
576         {0x402f, 0x00},
577         {0x4040, 0x00},
578         {0x4041, 0x03},
579         {0x4042, 0x00},
580         {0x4043, 0x7A},
581         {0x4044, 0x00},
582         {0x4045, 0x7A},
583         {0x4046, 0x00},
584         {0x4047, 0x7A},
585         {0x4048, 0x00},
586         {0x4049, 0x7A},
587         {0x4307, 0x30},
588         {0x4500, 0x58},
589         {0x4501, 0x04},
590         {0x4502, 0x48},
591         {0x4503, 0x10},
592         {0x4508, 0x55},
593         {0x4509, 0x55},
594         {0x450a, 0x00},
595         {0x450b, 0x00},
596         {0x4600, 0x00},
597         {0x4601, 0x81},
598         {0x4700, 0xa4},
599         {0x4800, 0x4c},
600         {0x4816, 0x53},
601         {0x481f, 0x40},
602         {0x4837, 0x13},
603         {0x5000, 0x56},
604         {0x5001, 0x01},
605         {0x5002, 0x28},
606         {0x5004, 0x0c},
607         {0x5006, 0x0c},
608         {0x5007, 0xe0},
609         {0x5008, 0x01},
610         {0x5009, 0xb0},
611         {0x5901, 0x00},
612         {0x5a01, 0x00},
613         {0x5a03, 0x00},
614         {0x5a04, 0x0c},
615         {0x5a05, 0xe0},
616         {0x5a06, 0x09},
617         {0x5a07, 0xb0},
618         {0x5a08, 0x06},
619         {0x5e00, 0x00},
620         {0x3734, 0x40},
621         {0x5b00, 0x01},
622         {0x5b01, 0x10},
623         {0x5b02, 0x01},
624         {0x5b03, 0xdb},
625         {0x3d8c, 0x71},
626         {0x3d8d, 0xea},
627         {0x4017, 0x10},
628         {0x3618, 0x2a},
629         {0x5780, 0x3e},
630         {0x5781, 0x0f},
631         {0x5782, 0x44},
632         {0x5783, 0x02},
633         {0x5784, 0x01},
634         {0x5785, 0x01},
635         {0x5786, 0x00},
636         {0x5787, 0x04},
637         {0x5788, 0x02},
638         {0x5789, 0x0f},
639         {0x578a, 0xfd},
640         {0x578b, 0xf5},
641         {0x578c, 0xf5},
642         {0x578d, 0x03},
643         {0x578e, 0x08},
644         {0x578f, 0x0c},
645         {0x5790, 0x08},
646         {0x5791, 0x04},
647         {0x5792, 0x00},
648         {0x5793, 0x52},
649         {0x5794, 0xa3},
650         {0x3503, 0x00},
651         {0x5045, 0x05},
652         {0x4003, 0x40},
653         {0x5048, 0x40}
654 };
655
656 static const struct ov5670_reg mode_648x486_regs[] = {
657         {0x3000, 0x00},
658         {0x3002, 0x21},
659         {0x3005, 0xf0},
660         {0x3007, 0x00},
661         {0x3015, 0x0f},
662         {0x3018, 0x32},
663         {0x301a, 0xf0},
664         {0x301b, 0xf0},
665         {0x301c, 0xf0},
666         {0x301d, 0xf0},
667         {0x301e, 0xf0},
668         {0x3030, 0x00},
669         {0x3031, 0x0a},
670         {0x303c, 0xff},
671         {0x303e, 0xff},
672         {0x3040, 0xf0},
673         {0x3041, 0x00},
674         {0x3042, 0xf0},
675         {0x3106, 0x11},
676         {0x3500, 0x00},
677         {0x3501, 0x80},
678         {0x3502, 0x00},
679         {0x3503, 0x04},
680         {0x3504, 0x03},
681         {0x3505, 0x83},
682         {0x3508, 0x04},
683         {0x3509, 0x00},
684         {0x350e, 0x04},
685         {0x350f, 0x00},
686         {0x3510, 0x00},
687         {0x3511, 0x02},
688         {0x3512, 0x00},
689         {0x3601, 0xc8},
690         {0x3610, 0x88},
691         {0x3612, 0x48},
692         {0x3614, 0x5b},
693         {0x3615, 0x96},
694         {0x3621, 0xd0},
695         {0x3622, 0x00},
696         {0x3623, 0x04},
697         {0x3633, 0x13},
698         {0x3634, 0x13},
699         {0x3635, 0x13},
700         {0x3636, 0x13},
701         {0x3645, 0x13},
702         {0x3646, 0x82},
703         {0x3650, 0x00},
704         {0x3652, 0xff},
705         {0x3655, 0x20},
706         {0x3656, 0xff},
707         {0x365a, 0xff},
708         {0x365e, 0xff},
709         {0x3668, 0x00},
710         {0x366a, 0x07},
711         {0x366e, 0x08},
712         {0x366d, 0x00},
713         {0x366f, 0x80},
714         {0x3700, 0x28},
715         {0x3701, 0x10},
716         {0x3702, 0x3a},
717         {0x3703, 0x19},
718         {0x3704, 0x10},
719         {0x3705, 0x00},
720         {0x3706, 0x66},
721         {0x3707, 0x08},
722         {0x3708, 0x34},
723         {0x3709, 0x40},
724         {0x370a, 0x01},
725         {0x370b, 0x1b},
726         {0x3714, 0x24},
727         {0x371a, 0x3e},
728         {0x3733, 0x00},
729         {0x3734, 0x00},
730         {0x373a, 0x05},
731         {0x373b, 0x06},
732         {0x373c, 0x0a},
733         {0x373f, 0xa0},
734         {0x3755, 0x00},
735         {0x3758, 0x00},
736         {0x375b, 0x0e},
737         {0x3766, 0x5f},
738         {0x3768, 0x00},
739         {0x3769, 0x22},
740         {0x3773, 0x08},
741         {0x3774, 0x1f},
742         {0x3776, 0x06},
743         {0x37a0, 0x88},
744         {0x37a1, 0x5c},
745         {0x37a7, 0x88},
746         {0x37a8, 0x70},
747         {0x37aa, 0x88},
748         {0x37ab, 0x48},
749         {0x37b3, 0x66},
750         {0x37c2, 0x04},
751         {0x37c5, 0x00},
752         {0x37c8, 0x00},
753         {0x3800, 0x00},
754         {0x3801, 0x0c},
755         {0x3802, 0x00},
756         {0x3803, 0x04},
757         {0x3804, 0x0a},
758         {0x3805, 0x33},
759         {0x3806, 0x07},
760         {0x3807, 0xa3},
761         {0x3808, 0x02},
762         {0x3809, 0x88},
763         {0x380a, 0x01},
764         {0x380b, 0xe6},
765         {0x380c, 0x06},
766         {0x380d, 0x90},
767         {0x380e, 0x08},
768         {0x380f, 0x08},
769         {0x3811, 0x04},
770         {0x3813, 0x02},
771         {0x3814, 0x07},
772         {0x3815, 0x01},
773         {0x3816, 0x00},
774         {0x3817, 0x00},
775         {0x3818, 0x00},
776         {0x3819, 0x00},
777         {0x3820, 0x94},
778         {0x3821, 0xc6},
779         {0x3822, 0x48},
780         {0x3826, 0x00},
781         {0x3827, 0x08},
782         {0x382a, 0x07},
783         {0x382b, 0x01},
784         {0x3830, 0x08},
785         {0x3836, 0x02},
786         {0x3837, 0x00},
787         {0x3838, 0x10},
788         {0x3841, 0xff},
789         {0x3846, 0x48},
790         {0x3861, 0x00},
791         {0x3862, 0x04},
792         {0x3863, 0x06},
793         {0x3a11, 0x01},
794         {0x3a12, 0x78},
795         {0x3b00, 0x00},
796         {0x3b02, 0x00},
797         {0x3b03, 0x00},
798         {0x3b04, 0x00},
799         {0x3b05, 0x00},
800         {0x3c00, 0x89},
801         {0x3c01, 0xab},
802         {0x3c02, 0x01},
803         {0x3c03, 0x00},
804         {0x3c04, 0x00},
805         {0x3c05, 0x03},
806         {0x3c06, 0x00},
807         {0x3c07, 0x05},
808         {0x3c0c, 0x00},
809         {0x3c0d, 0x00},
810         {0x3c0e, 0x00},
811         {0x3c0f, 0x00},
812         {0x3c40, 0x00},
813         {0x3c41, 0xa3},
814         {0x3c43, 0x7d},
815         {0x3c45, 0xd7},
816         {0x3c47, 0xfc},
817         {0x3c50, 0x05},
818         {0x3c52, 0xaa},
819         {0x3c54, 0x71},
820         {0x3c56, 0x80},
821         {0x3d85, 0x17},
822         {0x3f03, 0x00},
823         {0x3f0a, 0x00},
824         {0x3f0b, 0x00},
825         {0x4001, 0x60},
826         {0x4009, 0x05},
827         {0x4020, 0x00},
828         {0x4021, 0x00},
829         {0x4022, 0x00},
830         {0x4023, 0x00},
831         {0x4024, 0x00},
832         {0x4025, 0x00},
833         {0x4026, 0x00},
834         {0x4027, 0x00},
835         {0x4028, 0x00},
836         {0x4029, 0x00},
837         {0x402a, 0x00},
838         {0x402b, 0x00},
839         {0x402c, 0x00},
840         {0x402d, 0x00},
841         {0x402e, 0x00},
842         {0x402f, 0x00},
843         {0x4040, 0x00},
844         {0x4041, 0x03},
845         {0x4042, 0x00},
846         {0x4043, 0x7A},
847         {0x4044, 0x00},
848         {0x4045, 0x7A},
849         {0x4046, 0x00},
850         {0x4047, 0x7A},
851         {0x4048, 0x00},
852         {0x4049, 0x7A},
853         {0x4307, 0x30},
854         {0x4500, 0x58},
855         {0x4501, 0x04},
856         {0x4502, 0x40},
857         {0x4503, 0x10},
858         {0x4508, 0x55},
859         {0x4509, 0x55},
860         {0x450a, 0x02},
861         {0x450b, 0x00},
862         {0x4600, 0x00},
863         {0x4601, 0x40},
864         {0x4700, 0xa4},
865         {0x4800, 0x4c},
866         {0x4816, 0x53},
867         {0x481f, 0x40},
868         {0x4837, 0x13},
869         {0x5000, 0x56},
870         {0x5001, 0x01},
871         {0x5002, 0x28},
872         {0x5004, 0x0c},
873         {0x5006, 0x0c},
874         {0x5007, 0xe0},
875         {0x5008, 0x01},
876         {0x5009, 0xb0},
877         {0x5901, 0x00},
878         {0x5a01, 0x00},
879         {0x5a03, 0x00},
880         {0x5a04, 0x0c},
881         {0x5a05, 0xe0},
882         {0x5a06, 0x09},
883         {0x5a07, 0xb0},
884         {0x5a08, 0x06},
885         {0x5e00, 0x00},
886         {0x3734, 0x40},
887         {0x5b00, 0x01},
888         {0x5b01, 0x10},
889         {0x5b02, 0x01},
890         {0x5b03, 0xdb},
891         {0x3d8c, 0x71},
892         {0x3d8d, 0xea},
893         {0x4017, 0x10},
894         {0x3618, 0x2a},
895         {0x5780, 0x3e},
896         {0x5781, 0x0f},
897         {0x5782, 0x44},
898         {0x5783, 0x02},
899         {0x5784, 0x01},
900         {0x5785, 0x01},
901         {0x5786, 0x00},
902         {0x5787, 0x04},
903         {0x5788, 0x02},
904         {0x5789, 0x0f},
905         {0x578a, 0xfd},
906         {0x578b, 0xf5},
907         {0x578c, 0xf5},
908         {0x578d, 0x03},
909         {0x578e, 0x08},
910         {0x578f, 0x0c},
911         {0x5790, 0x08},
912         {0x5791, 0x06},
913         {0x5792, 0x00},
914         {0x5793, 0x52},
915         {0x5794, 0xa3},
916         {0x3503, 0x00},
917         {0x5045, 0x05},
918         {0x4003, 0x40},
919         {0x5048, 0x40}
920 };
921
922 static const struct ov5670_reg mode_2560x1440_regs[] = {
923         {0x3000, 0x00},
924         {0x3002, 0x21},
925         {0x3005, 0xf0},
926         {0x3007, 0x00},
927         {0x3015, 0x0f},
928         {0x3018, 0x32},
929         {0x301a, 0xf0},
930         {0x301b, 0xf0},
931         {0x301c, 0xf0},
932         {0x301d, 0xf0},
933         {0x301e, 0xf0},
934         {0x3030, 0x00},
935         {0x3031, 0x0a},
936         {0x303c, 0xff},
937         {0x303e, 0xff},
938         {0x3040, 0xf0},
939         {0x3041, 0x00},
940         {0x3042, 0xf0},
941         {0x3106, 0x11},
942         {0x3500, 0x00},
943         {0x3501, 0x80},
944         {0x3502, 0x00},
945         {0x3503, 0x04},
946         {0x3504, 0x03},
947         {0x3505, 0x83},
948         {0x3508, 0x04},
949         {0x3509, 0x00},
950         {0x350e, 0x04},
951         {0x350f, 0x00},
952         {0x3510, 0x00},
953         {0x3511, 0x02},
954         {0x3512, 0x00},
955         {0x3601, 0xc8},
956         {0x3610, 0x88},
957         {0x3612, 0x48},
958         {0x3614, 0x5b},
959         {0x3615, 0x96},
960         {0x3621, 0xd0},
961         {0x3622, 0x00},
962         {0x3623, 0x00},
963         {0x3633, 0x13},
964         {0x3634, 0x13},
965         {0x3635, 0x13},
966         {0x3636, 0x13},
967         {0x3645, 0x13},
968         {0x3646, 0x82},
969         {0x3650, 0x00},
970         {0x3652, 0xff},
971         {0x3655, 0x20},
972         {0x3656, 0xff},
973         {0x365a, 0xff},
974         {0x365e, 0xff},
975         {0x3668, 0x00},
976         {0x366a, 0x07},
977         {0x366e, 0x10},
978         {0x366d, 0x00},
979         {0x366f, 0x80},
980         {0x3700, 0x28},
981         {0x3701, 0x10},
982         {0x3702, 0x3a},
983         {0x3703, 0x19},
984         {0x3704, 0x10},
985         {0x3705, 0x00},
986         {0x3706, 0x66},
987         {0x3707, 0x08},
988         {0x3708, 0x34},
989         {0x3709, 0x40},
990         {0x370a, 0x01},
991         {0x370b, 0x1b},
992         {0x3714, 0x24},
993         {0x371a, 0x3e},
994         {0x3733, 0x00},
995         {0x3734, 0x00},
996         {0x373a, 0x05},
997         {0x373b, 0x06},
998         {0x373c, 0x0a},
999         {0x373f, 0xa0},
1000         {0x3755, 0x00},
1001         {0x3758, 0x00},
1002         {0x375b, 0x0e},
1003         {0x3766, 0x5f},
1004         {0x3768, 0x00},
1005         {0x3769, 0x22},
1006         {0x3773, 0x08},
1007         {0x3774, 0x1f},
1008         {0x3776, 0x06},
1009         {0x37a0, 0x88},
1010         {0x37a1, 0x5c},
1011         {0x37a7, 0x88},
1012         {0x37a8, 0x70},
1013         {0x37aa, 0x88},
1014         {0x37ab, 0x48},
1015         {0x37b3, 0x66},
1016         {0x37c2, 0x04},
1017         {0x37c5, 0x00},
1018         {0x37c8, 0x00},
1019         {0x3800, 0x00},
1020         {0x3801, 0x0c},
1021         {0x3802, 0x00},
1022         {0x3803, 0x04},
1023         {0x3804, 0x0a},
1024         {0x3805, 0x33},
1025         {0x3806, 0x07},
1026         {0x3807, 0xa3},
1027         {0x3808, 0x0a},
1028         {0x3809, 0x00},
1029         {0x380a, 0x05},
1030         {0x380b, 0xa0},
1031         {0x380c, 0x06},
1032         {0x380d, 0x90},
1033         {0x380e, 0x08},
1034         {0x380f, 0x08},
1035         {0x3811, 0x04},
1036         {0x3813, 0x02},
1037         {0x3814, 0x01},
1038         {0x3815, 0x01},
1039         {0x3816, 0x00},
1040         {0x3817, 0x00},
1041         {0x3818, 0x00},
1042         {0x3819, 0x00},
1043         {0x3820, 0x84},
1044         {0x3821, 0x46},
1045         {0x3822, 0x48},
1046         {0x3826, 0x00},
1047         {0x3827, 0x08},
1048         {0x382a, 0x01},
1049         {0x382b, 0x01},
1050         {0x3830, 0x08},
1051         {0x3836, 0x02},
1052         {0x3837, 0x00},
1053         {0x3838, 0x10},
1054         {0x3841, 0xff},
1055         {0x3846, 0x48},
1056         {0x3861, 0x00},
1057         {0x3862, 0x04},
1058         {0x3863, 0x06},
1059         {0x3a11, 0x01},
1060         {0x3a12, 0x78},
1061         {0x3b00, 0x00},
1062         {0x3b02, 0x00},
1063         {0x3b03, 0x00},
1064         {0x3b04, 0x00},
1065         {0x3b05, 0x00},
1066         {0x3c00, 0x89},
1067         {0x3c01, 0xab},
1068         {0x3c02, 0x01},
1069         {0x3c03, 0x00},
1070         {0x3c04, 0x00},
1071         {0x3c05, 0x03},
1072         {0x3c06, 0x00},
1073         {0x3c07, 0x05},
1074         {0x3c0c, 0x00},
1075         {0x3c0d, 0x00},
1076         {0x3c0e, 0x00},
1077         {0x3c0f, 0x00},
1078         {0x3c40, 0x00},
1079         {0x3c41, 0xa3},
1080         {0x3c43, 0x7d},
1081         {0x3c45, 0xd7},
1082         {0x3c47, 0xfc},
1083         {0x3c50, 0x05},
1084         {0x3c52, 0xaa},
1085         {0x3c54, 0x71},
1086         {0x3c56, 0x80},
1087         {0x3d85, 0x17},
1088         {0x3f03, 0x00},
1089         {0x3f0a, 0x00},
1090         {0x3f0b, 0x00},
1091         {0x4001, 0x60},
1092         {0x4009, 0x0d},
1093         {0x4020, 0x00},
1094         {0x4021, 0x00},
1095         {0x4022, 0x00},
1096         {0x4023, 0x00},
1097         {0x4024, 0x00},
1098         {0x4025, 0x00},
1099         {0x4026, 0x00},
1100         {0x4027, 0x00},
1101         {0x4028, 0x00},
1102         {0x4029, 0x00},
1103         {0x402a, 0x00},
1104         {0x402b, 0x00},
1105         {0x402c, 0x00},
1106         {0x402d, 0x00},
1107         {0x402e, 0x00},
1108         {0x402f, 0x00},
1109         {0x4040, 0x00},
1110         {0x4041, 0x03},
1111         {0x4042, 0x00},
1112         {0x4043, 0x7A},
1113         {0x4044, 0x00},
1114         {0x4045, 0x7A},
1115         {0x4046, 0x00},
1116         {0x4047, 0x7A},
1117         {0x4048, 0x00},
1118         {0x4049, 0x7A},
1119         {0x4307, 0x30},
1120         {0x4500, 0x58},
1121         {0x4501, 0x04},
1122         {0x4502, 0x40},
1123         {0x4503, 0x10},
1124         {0x4508, 0xaa},
1125         {0x4509, 0xaa},
1126         {0x450a, 0x00},
1127         {0x450b, 0x00},
1128         {0x4600, 0x01},
1129         {0x4601, 0x00},
1130         {0x4700, 0xa4},
1131         {0x4800, 0x4c},
1132         {0x4816, 0x53},
1133         {0x481f, 0x40},
1134         {0x4837, 0x13},
1135         {0x5000, 0x56},
1136         {0x5001, 0x01},
1137         {0x5002, 0x28},
1138         {0x5004, 0x0c},
1139         {0x5006, 0x0c},
1140         {0x5007, 0xe0},
1141         {0x5008, 0x01},
1142         {0x5009, 0xb0},
1143         {0x5901, 0x00},
1144         {0x5a01, 0x00},
1145         {0x5a03, 0x00},
1146         {0x5a04, 0x0c},
1147         {0x5a05, 0xe0},
1148         {0x5a06, 0x09},
1149         {0x5a07, 0xb0},
1150         {0x5a08, 0x06},
1151         {0x5e00, 0x00},
1152         {0x3734, 0x40},
1153         {0x5b00, 0x01},
1154         {0x5b01, 0x10},
1155         {0x5b02, 0x01},
1156         {0x5b03, 0xdb},
1157         {0x3d8c, 0x71},
1158         {0x3d8d, 0xea},
1159         {0x4017, 0x08},
1160         {0x3618, 0x2a},
1161         {0x5780, 0x3e},
1162         {0x5781, 0x0f},
1163         {0x5782, 0x44},
1164         {0x5783, 0x02},
1165         {0x5784, 0x01},
1166         {0x5785, 0x01},
1167         {0x5786, 0x00},
1168         {0x5787, 0x04},
1169         {0x5788, 0x02},
1170         {0x5789, 0x0f},
1171         {0x578a, 0xfd},
1172         {0x578b, 0xf5},
1173         {0x578c, 0xf5},
1174         {0x578d, 0x03},
1175         {0x578e, 0x08},
1176         {0x578f, 0x0c},
1177         {0x5790, 0x08},
1178         {0x5791, 0x06},
1179         {0x5792, 0x00},
1180         {0x5793, 0x52},
1181         {0x5794, 0xa3},
1182         {0x5045, 0x05},
1183         {0x4003, 0x40},
1184         {0x5048, 0x40}
1185 };
1186
1187 static const struct ov5670_reg mode_1280x720_regs[] = {
1188         {0x3000, 0x00},
1189         {0x3002, 0x21},
1190         {0x3005, 0xf0},
1191         {0x3007, 0x00},
1192         {0x3015, 0x0f},
1193         {0x3018, 0x32},
1194         {0x301a, 0xf0},
1195         {0x301b, 0xf0},
1196         {0x301c, 0xf0},
1197         {0x301d, 0xf0},
1198         {0x301e, 0xf0},
1199         {0x3030, 0x00},
1200         {0x3031, 0x0a},
1201         {0x303c, 0xff},
1202         {0x303e, 0xff},
1203         {0x3040, 0xf0},
1204         {0x3041, 0x00},
1205         {0x3042, 0xf0},
1206         {0x3106, 0x11},
1207         {0x3500, 0x00},
1208         {0x3501, 0x80},
1209         {0x3502, 0x00},
1210         {0x3503, 0x04},
1211         {0x3504, 0x03},
1212         {0x3505, 0x83},
1213         {0x3508, 0x04},
1214         {0x3509, 0x00},
1215         {0x350e, 0x04},
1216         {0x350f, 0x00},
1217         {0x3510, 0x00},
1218         {0x3511, 0x02},
1219         {0x3512, 0x00},
1220         {0x3601, 0xc8},
1221         {0x3610, 0x88},
1222         {0x3612, 0x48},
1223         {0x3614, 0x5b},
1224         {0x3615, 0x96},
1225         {0x3621, 0xd0},
1226         {0x3622, 0x00},
1227         {0x3623, 0x00},
1228         {0x3633, 0x13},
1229         {0x3634, 0x13},
1230         {0x3635, 0x13},
1231         {0x3636, 0x13},
1232         {0x3645, 0x13},
1233         {0x3646, 0x82},
1234         {0x3650, 0x00},
1235         {0x3652, 0xff},
1236         {0x3655, 0x20},
1237         {0x3656, 0xff},
1238         {0x365a, 0xff},
1239         {0x365e, 0xff},
1240         {0x3668, 0x00},
1241         {0x366a, 0x07},
1242         {0x366e, 0x08},
1243         {0x366d, 0x00},
1244         {0x366f, 0x80},
1245         {0x3700, 0x28},
1246         {0x3701, 0x10},
1247         {0x3702, 0x3a},
1248         {0x3703, 0x19},
1249         {0x3704, 0x10},
1250         {0x3705, 0x00},
1251         {0x3706, 0x66},
1252         {0x3707, 0x08},
1253         {0x3708, 0x34},
1254         {0x3709, 0x40},
1255         {0x370a, 0x01},
1256         {0x370b, 0x1b},
1257         {0x3714, 0x24},
1258         {0x371a, 0x3e},
1259         {0x3733, 0x00},
1260         {0x3734, 0x00},
1261         {0x373a, 0x05},
1262         {0x373b, 0x06},
1263         {0x373c, 0x0a},
1264         {0x373f, 0xa0},
1265         {0x3755, 0x00},
1266         {0x3758, 0x00},
1267         {0x375b, 0x0e},
1268         {0x3766, 0x5f},
1269         {0x3768, 0x00},
1270         {0x3769, 0x22},
1271         {0x3773, 0x08},
1272         {0x3774, 0x1f},
1273         {0x3776, 0x06},
1274         {0x37a0, 0x88},
1275         {0x37a1, 0x5c},
1276         {0x37a7, 0x88},
1277         {0x37a8, 0x70},
1278         {0x37aa, 0x88},
1279         {0x37ab, 0x48},
1280         {0x37b3, 0x66},
1281         {0x37c2, 0x04},
1282         {0x37c5, 0x00},
1283         {0x37c8, 0x00},
1284         {0x3800, 0x00},
1285         {0x3801, 0x0c},
1286         {0x3802, 0x00},
1287         {0x3803, 0x04},
1288         {0x3804, 0x0a},
1289         {0x3805, 0x33},
1290         {0x3806, 0x07},
1291         {0x3807, 0xa3},
1292         {0x3808, 0x05},
1293         {0x3809, 0x00},
1294         {0x380a, 0x02},
1295         {0x380b, 0xd0},
1296         {0x380c, 0x06},
1297         {0x380d, 0x90},
1298         {0x380e, 0x08},
1299         {0x380f, 0x08},
1300         {0x3811, 0x04},
1301         {0x3813, 0x02},
1302         {0x3814, 0x03},
1303         {0x3815, 0x01},
1304         {0x3816, 0x00},
1305         {0x3817, 0x00},
1306         {0x3818, 0x00},
1307         {0x3819, 0x00},
1308         {0x3820, 0x94},
1309         {0x3821, 0x47},
1310         {0x3822, 0x48},
1311         {0x3826, 0x00},
1312         {0x3827, 0x08},
1313         {0x382a, 0x03},
1314         {0x382b, 0x01},
1315         {0x3830, 0x08},
1316         {0x3836, 0x02},
1317         {0x3837, 0x00},
1318         {0x3838, 0x10},
1319         {0x3841, 0xff},
1320         {0x3846, 0x48},
1321         {0x3861, 0x00},
1322         {0x3862, 0x04},
1323         {0x3863, 0x06},
1324         {0x3a11, 0x01},
1325         {0x3a12, 0x78},
1326         {0x3b00, 0x00},
1327         {0x3b02, 0x00},
1328         {0x3b03, 0x00},
1329         {0x3b04, 0x00},
1330         {0x3b05, 0x00},
1331         {0x3c00, 0x89},
1332         {0x3c01, 0xab},
1333         {0x3c02, 0x01},
1334         {0x3c03, 0x00},
1335         {0x3c04, 0x00},
1336         {0x3c05, 0x03},
1337         {0x3c06, 0x00},
1338         {0x3c07, 0x05},
1339         {0x3c0c, 0x00},
1340         {0x3c0d, 0x00},
1341         {0x3c0e, 0x00},
1342         {0x3c0f, 0x00},
1343         {0x3c40, 0x00},
1344         {0x3c41, 0xa3},
1345         {0x3c43, 0x7d},
1346         {0x3c45, 0xd7},
1347         {0x3c47, 0xfc},
1348         {0x3c50, 0x05},
1349         {0x3c52, 0xaa},
1350         {0x3c54, 0x71},
1351         {0x3c56, 0x80},
1352         {0x3d85, 0x17},
1353         {0x3f03, 0x00},
1354         {0x3f0a, 0x00},
1355         {0x3f0b, 0x00},
1356         {0x4001, 0x60},
1357         {0x4009, 0x05},
1358         {0x4020, 0x00},
1359         {0x4021, 0x00},
1360         {0x4022, 0x00},
1361         {0x4023, 0x00},
1362         {0x4024, 0x00},
1363         {0x4025, 0x00},
1364         {0x4026, 0x00},
1365         {0x4027, 0x00},
1366         {0x4028, 0x00},
1367         {0x4029, 0x00},
1368         {0x402a, 0x00},
1369         {0x402b, 0x00},
1370         {0x402c, 0x00},
1371         {0x402d, 0x00},
1372         {0x402e, 0x00},
1373         {0x402f, 0x00},
1374         {0x4040, 0x00},
1375         {0x4041, 0x03},
1376         {0x4042, 0x00},
1377         {0x4043, 0x7A},
1378         {0x4044, 0x00},
1379         {0x4045, 0x7A},
1380         {0x4046, 0x00},
1381         {0x4047, 0x7A},
1382         {0x4048, 0x00},
1383         {0x4049, 0x7A},
1384         {0x4307, 0x30},
1385         {0x4500, 0x58},
1386         {0x4501, 0x04},
1387         {0x4502, 0x48},
1388         {0x4503, 0x10},
1389         {0x4508, 0x55},
1390         {0x4509, 0x55},
1391         {0x450a, 0x00},
1392         {0x450b, 0x00},
1393         {0x4600, 0x00},
1394         {0x4601, 0x80},
1395         {0x4700, 0xa4},
1396         {0x4800, 0x4c},
1397         {0x4816, 0x53},
1398         {0x481f, 0x40},
1399         {0x4837, 0x13},
1400         {0x5000, 0x56},
1401         {0x5001, 0x01},
1402         {0x5002, 0x28},
1403         {0x5004, 0x0c},
1404         {0x5006, 0x0c},
1405         {0x5007, 0xe0},
1406         {0x5008, 0x01},
1407         {0x5009, 0xb0},
1408         {0x5901, 0x00},
1409         {0x5a01, 0x00},
1410         {0x5a03, 0x00},
1411         {0x5a04, 0x0c},
1412         {0x5a05, 0xe0},
1413         {0x5a06, 0x09},
1414         {0x5a07, 0xb0},
1415         {0x5a08, 0x06},
1416         {0x5e00, 0x00},
1417         {0x3734, 0x40},
1418         {0x5b00, 0x01},
1419         {0x5b01, 0x10},
1420         {0x5b02, 0x01},
1421         {0x5b03, 0xdb},
1422         {0x3d8c, 0x71},
1423         {0x3d8d, 0xea},
1424         {0x4017, 0x10},
1425         {0x3618, 0x2a},
1426         {0x5780, 0x3e},
1427         {0x5781, 0x0f},
1428         {0x5782, 0x44},
1429         {0x5783, 0x02},
1430         {0x5784, 0x01},
1431         {0x5785, 0x01},
1432         {0x5786, 0x00},
1433         {0x5787, 0x04},
1434         {0x5788, 0x02},
1435         {0x5789, 0x0f},
1436         {0x578a, 0xfd},
1437         {0x578b, 0xf5},
1438         {0x578c, 0xf5},
1439         {0x578d, 0x03},
1440         {0x578e, 0x08},
1441         {0x578f, 0x0c},
1442         {0x5790, 0x08},
1443         {0x5791, 0x06},
1444         {0x5792, 0x00},
1445         {0x5793, 0x52},
1446         {0x5794, 0xa3},
1447         {0x3503, 0x00},
1448         {0x5045, 0x05},
1449         {0x4003, 0x40},
1450         {0x5048, 0x40}
1451 };
1452
1453 static const struct ov5670_reg mode_640x360_regs[] = {
1454         {0x3000, 0x00},
1455         {0x3002, 0x21},
1456         {0x3005, 0xf0},
1457         {0x3007, 0x00},
1458         {0x3015, 0x0f},
1459         {0x3018, 0x32},
1460         {0x301a, 0xf0},
1461         {0x301b, 0xf0},
1462         {0x301c, 0xf0},
1463         {0x301d, 0xf0},
1464         {0x301e, 0xf0},
1465         {0x3030, 0x00},
1466         {0x3031, 0x0a},
1467         {0x303c, 0xff},
1468         {0x303e, 0xff},
1469         {0x3040, 0xf0},
1470         {0x3041, 0x00},
1471         {0x3042, 0xf0},
1472         {0x3106, 0x11},
1473         {0x3500, 0x00},
1474         {0x3501, 0x80},
1475         {0x3502, 0x00},
1476         {0x3503, 0x04},
1477         {0x3504, 0x03},
1478         {0x3505, 0x83},
1479         {0x3508, 0x04},
1480         {0x3509, 0x00},
1481         {0x350e, 0x04},
1482         {0x350f, 0x00},
1483         {0x3510, 0x00},
1484         {0x3511, 0x02},
1485         {0x3512, 0x00},
1486         {0x3601, 0xc8},
1487         {0x3610, 0x88},
1488         {0x3612, 0x48},
1489         {0x3614, 0x5b},
1490         {0x3615, 0x96},
1491         {0x3621, 0xd0},
1492         {0x3622, 0x00},
1493         {0x3623, 0x04},
1494         {0x3633, 0x13},
1495         {0x3634, 0x13},
1496         {0x3635, 0x13},
1497         {0x3636, 0x13},
1498         {0x3645, 0x13},
1499         {0x3646, 0x82},
1500         {0x3650, 0x00},
1501         {0x3652, 0xff},
1502         {0x3655, 0x20},
1503         {0x3656, 0xff},
1504         {0x365a, 0xff},
1505         {0x365e, 0xff},
1506         {0x3668, 0x00},
1507         {0x366a, 0x07},
1508         {0x366e, 0x08},
1509         {0x366d, 0x00},
1510         {0x366f, 0x80},
1511         {0x3700, 0x28},
1512         {0x3701, 0x10},
1513         {0x3702, 0x3a},
1514         {0x3703, 0x19},
1515         {0x3704, 0x10},
1516         {0x3705, 0x00},
1517         {0x3706, 0x66},
1518         {0x3707, 0x08},
1519         {0x3708, 0x34},
1520         {0x3709, 0x40},
1521         {0x370a, 0x01},
1522         {0x370b, 0x1b},
1523         {0x3714, 0x24},
1524         {0x371a, 0x3e},
1525         {0x3733, 0x00},
1526         {0x3734, 0x00},
1527         {0x373a, 0x05},
1528         {0x373b, 0x06},
1529         {0x373c, 0x0a},
1530         {0x373f, 0xa0},
1531         {0x3755, 0x00},
1532         {0x3758, 0x00},
1533         {0x375b, 0x0e},
1534         {0x3766, 0x5f},
1535         {0x3768, 0x00},
1536         {0x3769, 0x22},
1537         {0x3773, 0x08},
1538         {0x3774, 0x1f},
1539         {0x3776, 0x06},
1540         {0x37a0, 0x88},
1541         {0x37a1, 0x5c},
1542         {0x37a7, 0x88},
1543         {0x37a8, 0x70},
1544         {0x37aa, 0x88},
1545         {0x37ab, 0x48},
1546         {0x37b3, 0x66},
1547         {0x37c2, 0x04},
1548         {0x37c5, 0x00},
1549         {0x37c8, 0x00},
1550         {0x3800, 0x00},
1551         {0x3801, 0x0c},
1552         {0x3802, 0x00},
1553         {0x3803, 0x04},
1554         {0x3804, 0x0a},
1555         {0x3805, 0x33},
1556         {0x3806, 0x07},
1557         {0x3807, 0xa3},
1558         {0x3808, 0x02},
1559         {0x3809, 0x80},
1560         {0x380a, 0x01},
1561         {0x380b, 0x68},
1562         {0x380c, 0x06},
1563         {0x380d, 0x90},
1564         {0x380e, 0x08},
1565         {0x380f, 0x08},
1566         {0x3811, 0x04},
1567         {0x3813, 0x02},
1568         {0x3814, 0x07},
1569         {0x3815, 0x01},
1570         {0x3816, 0x00},
1571         {0x3817, 0x00},
1572         {0x3818, 0x00},
1573         {0x3819, 0x00},
1574         {0x3820, 0x94},
1575         {0x3821, 0xc6},
1576         {0x3822, 0x48},
1577         {0x3826, 0x00},
1578         {0x3827, 0x08},
1579         {0x382a, 0x07},
1580         {0x382b, 0x01},
1581         {0x3830, 0x08},
1582         {0x3836, 0x02},
1583         {0x3837, 0x00},
1584         {0x3838, 0x10},
1585         {0x3841, 0xff},
1586         {0x3846, 0x48},
1587         {0x3861, 0x00},
1588         {0x3862, 0x04},
1589         {0x3863, 0x06},
1590         {0x3a11, 0x01},
1591         {0x3a12, 0x78},
1592         {0x3b00, 0x00},
1593         {0x3b02, 0x00},
1594         {0x3b03, 0x00},
1595         {0x3b04, 0x00},
1596         {0x3b05, 0x00},
1597         {0x3c00, 0x89},
1598         {0x3c01, 0xab},
1599         {0x3c02, 0x01},
1600         {0x3c03, 0x00},
1601         {0x3c04, 0x00},
1602         {0x3c05, 0x03},
1603         {0x3c06, 0x00},
1604         {0x3c07, 0x05},
1605         {0x3c0c, 0x00},
1606         {0x3c0d, 0x00},
1607         {0x3c0e, 0x00},
1608         {0x3c0f, 0x00},
1609         {0x3c40, 0x00},
1610         {0x3c41, 0xa3},
1611         {0x3c43, 0x7d},
1612         {0x3c45, 0xd7},
1613         {0x3c47, 0xfc},
1614         {0x3c50, 0x05},
1615         {0x3c52, 0xaa},
1616         {0x3c54, 0x71},
1617         {0x3c56, 0x80},
1618         {0x3d85, 0x17},
1619         {0x3f03, 0x00},
1620         {0x3f0a, 0x00},
1621         {0x3f0b, 0x00},
1622         {0x4001, 0x60},
1623         {0x4009, 0x05},
1624         {0x4020, 0x00},
1625         {0x4021, 0x00},
1626         {0x4022, 0x00},
1627         {0x4023, 0x00},
1628         {0x4024, 0x00},
1629         {0x4025, 0x00},
1630         {0x4026, 0x00},
1631         {0x4027, 0x00},
1632         {0x4028, 0x00},
1633         {0x4029, 0x00},
1634         {0x402a, 0x00},
1635         {0x402b, 0x00},
1636         {0x402c, 0x00},
1637         {0x402d, 0x00},
1638         {0x402e, 0x00},
1639         {0x402f, 0x00},
1640         {0x4040, 0x00},
1641         {0x4041, 0x03},
1642         {0x4042, 0x00},
1643         {0x4043, 0x7A},
1644         {0x4044, 0x00},
1645         {0x4045, 0x7A},
1646         {0x4046, 0x00},
1647         {0x4047, 0x7A},
1648         {0x4048, 0x00},
1649         {0x4049, 0x7A},
1650         {0x4307, 0x30},
1651         {0x4500, 0x58},
1652         {0x4501, 0x04},
1653         {0x4502, 0x40},
1654         {0x4503, 0x10},
1655         {0x4508, 0x55},
1656         {0x4509, 0x55},
1657         {0x450a, 0x02},
1658         {0x450b, 0x00},
1659         {0x4600, 0x00},
1660         {0x4601, 0x40},
1661         {0x4700, 0xa4},
1662         {0x4800, 0x4c},
1663         {0x4816, 0x53},
1664         {0x481f, 0x40},
1665         {0x4837, 0x13},
1666         {0x5000, 0x56},
1667         {0x5001, 0x01},
1668         {0x5002, 0x28},
1669         {0x5004, 0x0c},
1670         {0x5006, 0x0c},
1671         {0x5007, 0xe0},
1672         {0x5008, 0x01},
1673         {0x5009, 0xb0},
1674         {0x5901, 0x00},
1675         {0x5a01, 0x00},
1676         {0x5a03, 0x00},
1677         {0x5a04, 0x0c},
1678         {0x5a05, 0xe0},
1679         {0x5a06, 0x09},
1680         {0x5a07, 0xb0},
1681         {0x5a08, 0x06},
1682         {0x5e00, 0x00},
1683         {0x3734, 0x40},
1684         {0x5b00, 0x01},
1685         {0x5b01, 0x10},
1686         {0x5b02, 0x01},
1687         {0x5b03, 0xdb},
1688         {0x3d8c, 0x71},
1689         {0x3d8d, 0xea},
1690         {0x4017, 0x10},
1691         {0x3618, 0x2a},
1692         {0x5780, 0x3e},
1693         {0x5781, 0x0f},
1694         {0x5782, 0x44},
1695         {0x5783, 0x02},
1696         {0x5784, 0x01},
1697         {0x5785, 0x01},
1698         {0x5786, 0x00},
1699         {0x5787, 0x04},
1700         {0x5788, 0x02},
1701         {0x5789, 0x0f},
1702         {0x578a, 0xfd},
1703         {0x578b, 0xf5},
1704         {0x578c, 0xf5},
1705         {0x578d, 0x03},
1706         {0x578e, 0x08},
1707         {0x578f, 0x0c},
1708         {0x5790, 0x08},
1709         {0x5791, 0x06},
1710         {0x5792, 0x00},
1711         {0x5793, 0x52},
1712         {0x5794, 0xa3},
1713         {0x3503, 0x00},
1714         {0x5045, 0x05},
1715         {0x4003, 0x40},
1716         {0x5048, 0x40}
1717 };
1718
1719 static const char * const ov5670_test_pattern_menu[] = {
1720         "Disabled",
1721         "Vertical Color Bar Type 1",
1722 };
1723
1724 /* Supported link frequencies */
1725 #define OV5670_LINK_FREQ_422MHZ         422400000
1726 #define OV5670_LINK_FREQ_422MHZ_INDEX   0
1727 static const struct ov5670_link_freq_config link_freq_configs[] = {
1728         {
1729                 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1730                 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1731                 .reg_list = {
1732                         .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1733                         .regs = mipi_data_rate_840mbps,
1734                 }
1735         }
1736 };
1737
1738 static const s64 link_freq_menu_items[] = {
1739         OV5670_LINK_FREQ_422MHZ
1740 };
1741
1742 /*
1743  * OV5670 sensor supports following resolutions with full FOV:
1744  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1745  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1746  */
1747 static const struct ov5670_mode supported_modes[] = {
1748         {
1749                 .width = 2592,
1750                 .height = 1944,
1751                 .vts_def = OV5670_VTS_30FPS,
1752                 .vts_min = OV5670_VTS_30FPS,
1753                 .reg_list = {
1754                         .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1755                         .regs = mode_2592x1944_regs,
1756                 },
1757                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1758         },
1759         {
1760                 .width = 1296,
1761                 .height = 972,
1762                 .vts_def = OV5670_VTS_30FPS,
1763                 .vts_min = 996,
1764                 .reg_list = {
1765                         .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1766                         .regs = mode_1296x972_regs,
1767                 },
1768                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1769         },
1770         {
1771                 .width = 648,
1772                 .height = 486,
1773                 .vts_def = OV5670_VTS_30FPS,
1774                 .vts_min = 516,
1775                 .reg_list = {
1776                         .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1777                         .regs = mode_648x486_regs,
1778                 },
1779                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1780         },
1781         {
1782                 .width = 2560,
1783                 .height = 1440,
1784                 .vts_def = OV5670_VTS_30FPS,
1785                 .vts_min = OV5670_VTS_30FPS,
1786                 .reg_list = {
1787                         .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1788                         .regs = mode_2560x1440_regs,
1789                 },
1790                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1791         },
1792         {
1793                 .width = 1280,
1794                 .height = 720,
1795                 .vts_def = OV5670_VTS_30FPS,
1796                 .vts_min = 1020,
1797                 .reg_list = {
1798                         .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1799                         .regs = mode_1280x720_regs,
1800                 },
1801                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1802         },
1803         {
1804                 .width = 640,
1805                 .height = 360,
1806                 .vts_def = OV5670_VTS_30FPS,
1807                 .vts_min = 510,
1808                 .reg_list = {
1809                         .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1810                         .regs = mode_640x360_regs,
1811                 },
1812                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1813         }
1814 };
1815
1816 struct ov5670 {
1817         struct v4l2_subdev sd;
1818         struct media_pad pad;
1819
1820         struct v4l2_ctrl_handler ctrl_handler;
1821         /* V4L2 Controls */
1822         struct v4l2_ctrl *link_freq;
1823         struct v4l2_ctrl *pixel_rate;
1824         struct v4l2_ctrl *vblank;
1825         struct v4l2_ctrl *hblank;
1826         struct v4l2_ctrl *exposure;
1827
1828         /* Current mode */
1829         const struct ov5670_mode *cur_mode;
1830
1831         /* To serialize asynchronus callbacks */
1832         struct mutex mutex;
1833
1834         /* Streaming on/off */
1835         bool streaming;
1836         /* True if the device has been identified */
1837         bool identified;
1838 };
1839
1840 #define to_ov5670(_sd)  container_of(_sd, struct ov5670, sd)
1841
1842 /* Read registers up to 4 at a time */
1843 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1844                            u32 *val)
1845 {
1846         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1847         struct i2c_msg msgs[2];
1848         u8 *data_be_p;
1849         __be32 data_be = 0;
1850         __be16 reg_addr_be = cpu_to_be16(reg);
1851         int ret;
1852
1853         if (len > 4)
1854                 return -EINVAL;
1855
1856         data_be_p = (u8 *)&data_be;
1857         /* Write register address */
1858         msgs[0].addr = client->addr;
1859         msgs[0].flags = 0;
1860         msgs[0].len = 2;
1861         msgs[0].buf = (u8 *)&reg_addr_be;
1862
1863         /* Read data from register */
1864         msgs[1].addr = client->addr;
1865         msgs[1].flags = I2C_M_RD;
1866         msgs[1].len = len;
1867         msgs[1].buf = &data_be_p[4 - len];
1868
1869         ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1870         if (ret != ARRAY_SIZE(msgs))
1871                 return -EIO;
1872
1873         *val = be32_to_cpu(data_be);
1874
1875         return 0;
1876 }
1877
1878 /* Write registers up to 4 at a time */
1879 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1880                             u32 val)
1881 {
1882         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1883         int buf_i;
1884         int val_i;
1885         u8 buf[6];
1886         u8 *val_p;
1887         __be32 tmp;
1888
1889         if (len > 4)
1890                 return -EINVAL;
1891
1892         buf[0] = reg >> 8;
1893         buf[1] = reg & 0xff;
1894
1895         tmp = cpu_to_be32(val);
1896         val_p = (u8 *)&tmp;
1897         buf_i = 2;
1898         val_i = 4 - len;
1899
1900         while (val_i < 4)
1901                 buf[buf_i++] = val_p[val_i++];
1902
1903         if (i2c_master_send(client, buf, len + 2) != len + 2)
1904                 return -EIO;
1905
1906         return 0;
1907 }
1908
1909 /* Write a list of registers */
1910 static int ov5670_write_regs(struct ov5670 *ov5670,
1911                              const struct ov5670_reg *regs, unsigned int len)
1912 {
1913         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1914         unsigned int i;
1915         int ret;
1916
1917         for (i = 0; i < len; i++) {
1918                 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1919                 if (ret) {
1920                         dev_err_ratelimited(
1921                                 &client->dev,
1922                                 "Failed to write reg 0x%4.4x. error = %d\n",
1923                                 regs[i].address, ret);
1924
1925                         return ret;
1926                 }
1927         }
1928
1929         return 0;
1930 }
1931
1932 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1933                                  const struct ov5670_reg_list *r_list)
1934 {
1935         return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1936 }
1937
1938 /* Open sub-device */
1939 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1940 {
1941         struct ov5670 *ov5670 = to_ov5670(sd);
1942         struct v4l2_mbus_framefmt *try_fmt =
1943                                 v4l2_subdev_get_try_format(sd, fh->state, 0);
1944
1945         mutex_lock(&ov5670->mutex);
1946
1947         /* Initialize try_fmt */
1948         try_fmt->width = ov5670->cur_mode->width;
1949         try_fmt->height = ov5670->cur_mode->height;
1950         try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1951         try_fmt->field = V4L2_FIELD_NONE;
1952
1953         /* No crop or compose */
1954         mutex_unlock(&ov5670->mutex);
1955
1956         return 0;
1957 }
1958
1959 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1960 {
1961         int ret;
1962
1963         ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1964                                OV5670_REG_VALUE_16BIT, d_gain);
1965         if (ret)
1966                 return ret;
1967
1968         ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1969                                OV5670_REG_VALUE_16BIT, d_gain);
1970         if (ret)
1971                 return ret;
1972
1973         return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1974                                 OV5670_REG_VALUE_16BIT, d_gain);
1975 }
1976
1977 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1978 {
1979         u32 val;
1980         int ret;
1981
1982         /* Set the bayer order that we support */
1983         ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1984                                OV5670_REG_VALUE_08BIT, 0);
1985         if (ret)
1986                 return ret;
1987
1988         ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1989                               OV5670_REG_VALUE_08BIT, &val);
1990         if (ret)
1991                 return ret;
1992
1993         if (pattern)
1994                 val |= OV5670_TEST_PATTERN_ENABLE;
1995         else
1996                 val &= ~OV5670_TEST_PATTERN_ENABLE;
1997
1998         return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1999                                 OV5670_REG_VALUE_08BIT, val);
2000 }
2001
2002 /* Initialize control handlers */
2003 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2004 {
2005         struct ov5670 *ov5670 = container_of(ctrl->handler,
2006                                              struct ov5670, ctrl_handler);
2007         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2008         s64 max;
2009         int ret = 0;
2010
2011         /* Propagate change of current control to all related controls */
2012         switch (ctrl->id) {
2013         case V4L2_CID_VBLANK:
2014                 /* Update max exposure while meeting expected vblanking */
2015                 max = ov5670->cur_mode->height + ctrl->val - 8;
2016                 __v4l2_ctrl_modify_range(ov5670->exposure,
2017                                          ov5670->exposure->minimum, max,
2018                                          ov5670->exposure->step, max);
2019                 break;
2020         }
2021
2022         /* V4L2 controls values will be applied only when power is already up */
2023         if (!pm_runtime_get_if_in_use(&client->dev))
2024                 return 0;
2025
2026         switch (ctrl->id) {
2027         case V4L2_CID_ANALOGUE_GAIN:
2028                 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2029                                        OV5670_REG_VALUE_16BIT, ctrl->val);
2030                 break;
2031         case V4L2_CID_DIGITAL_GAIN:
2032                 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2033                 break;
2034         case V4L2_CID_EXPOSURE:
2035                 /* 4 least significant bits of expsoure are fractional part */
2036                 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2037                                        OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2038                 break;
2039         case V4L2_CID_VBLANK:
2040                 /* Update VTS that meets expected vertical blanking */
2041                 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2042                                        OV5670_REG_VALUE_16BIT,
2043                                        ov5670->cur_mode->height + ctrl->val);
2044                 break;
2045         case V4L2_CID_TEST_PATTERN:
2046                 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2047                 break;
2048         default:
2049                 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2050                          __func__, ctrl->id, ctrl->val);
2051                 break;
2052         }
2053
2054         pm_runtime_put(&client->dev);
2055
2056         return ret;
2057 }
2058
2059 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2060         .s_ctrl = ov5670_set_ctrl,
2061 };
2062
2063 /* Initialize control handlers */
2064 static int ov5670_init_controls(struct ov5670 *ov5670)
2065 {
2066         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2067         struct v4l2_fwnode_device_properties props;
2068         struct v4l2_ctrl_handler *ctrl_hdlr;
2069         s64 vblank_max;
2070         s64 vblank_def;
2071         s64 vblank_min;
2072         s64 exposure_max;
2073         int ret;
2074
2075         ctrl_hdlr = &ov5670->ctrl_handler;
2076         ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2077         if (ret)
2078                 return ret;
2079
2080         ctrl_hdlr->lock = &ov5670->mutex;
2081         ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2082                                                    &ov5670_ctrl_ops,
2083                                                    V4L2_CID_LINK_FREQ,
2084                                                    0, 0, link_freq_menu_items);
2085         if (ov5670->link_freq)
2086                 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2087
2088         /* By default, V4L2_CID_PIXEL_RATE is read only */
2089         ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2090                                                V4L2_CID_PIXEL_RATE,
2091                                                link_freq_configs[0].pixel_rate,
2092                                                link_freq_configs[0].pixel_rate,
2093                                                1,
2094                                                link_freq_configs[0].pixel_rate);
2095
2096         vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2097         vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2098         vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2099         ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2100                                            V4L2_CID_VBLANK, vblank_min,
2101                                            vblank_max, 1, vblank_def);
2102
2103         ov5670->hblank = v4l2_ctrl_new_std(
2104                                 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2105                                 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2106                                 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2107                                 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2108         if (ov5670->hblank)
2109                 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2110
2111         /* Get min, max, step, default from sensor */
2112         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2113                           ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2114                           ANALOG_GAIN_DEFAULT);
2115
2116         /* Digital gain */
2117         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2118                           OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2119                           OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2120
2121         /* Get min, max, step, default from sensor */
2122         exposure_max = ov5670->cur_mode->vts_def - 8;
2123         ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2124                                              V4L2_CID_EXPOSURE,
2125                                              OV5670_EXPOSURE_MIN,
2126                                              exposure_max, OV5670_EXPOSURE_STEP,
2127                                              exposure_max);
2128
2129         v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2130                                      V4L2_CID_TEST_PATTERN,
2131                                      ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2132                                      0, 0, ov5670_test_pattern_menu);
2133
2134         if (ctrl_hdlr->error) {
2135                 ret = ctrl_hdlr->error;
2136                 goto error;
2137         }
2138
2139         ret = v4l2_fwnode_device_parse(&client->dev, &props);
2140         if (ret)
2141                 goto error;
2142
2143         ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2144                                               &props);
2145         if (ret)
2146                 goto error;
2147
2148         ov5670->sd.ctrl_handler = ctrl_hdlr;
2149
2150         return 0;
2151
2152 error:
2153         v4l2_ctrl_handler_free(ctrl_hdlr);
2154
2155         return ret;
2156 }
2157
2158 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2159                                  struct v4l2_subdev_state *sd_state,
2160                                  struct v4l2_subdev_mbus_code_enum *code)
2161 {
2162         /* Only one bayer order GRBG is supported */
2163         if (code->index > 0)
2164                 return -EINVAL;
2165
2166         code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2167
2168         return 0;
2169 }
2170
2171 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2172                                   struct v4l2_subdev_state *sd_state,
2173                                   struct v4l2_subdev_frame_size_enum *fse)
2174 {
2175         if (fse->index >= ARRAY_SIZE(supported_modes))
2176                 return -EINVAL;
2177
2178         if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2179                 return -EINVAL;
2180
2181         fse->min_width = supported_modes[fse->index].width;
2182         fse->max_width = fse->min_width;
2183         fse->min_height = supported_modes[fse->index].height;
2184         fse->max_height = fse->min_height;
2185
2186         return 0;
2187 }
2188
2189 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2190                                      struct v4l2_subdev_format *fmt)
2191 {
2192         fmt->format.width = mode->width;
2193         fmt->format.height = mode->height;
2194         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2195         fmt->format.field = V4L2_FIELD_NONE;
2196 }
2197
2198 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2199                                     struct v4l2_subdev_state *sd_state,
2200                                     struct v4l2_subdev_format *fmt)
2201 {
2202         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2203                 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd,
2204                                                           sd_state,
2205                                                           fmt->pad);
2206         else
2207                 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2208
2209         return 0;
2210 }
2211
2212 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2213                                  struct v4l2_subdev_state *sd_state,
2214                                  struct v4l2_subdev_format *fmt)
2215 {
2216         struct ov5670 *ov5670 = to_ov5670(sd);
2217         int ret;
2218
2219         mutex_lock(&ov5670->mutex);
2220         ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt);
2221         mutex_unlock(&ov5670->mutex);
2222
2223         return ret;
2224 }
2225
2226 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2227                                  struct v4l2_subdev_state *sd_state,
2228                                  struct v4l2_subdev_format *fmt)
2229 {
2230         struct ov5670 *ov5670 = to_ov5670(sd);
2231         const struct ov5670_mode *mode;
2232         s32 vblank_def;
2233         s32 h_blank;
2234
2235         mutex_lock(&ov5670->mutex);
2236
2237         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2238
2239         mode = v4l2_find_nearest_size(supported_modes,
2240                                       ARRAY_SIZE(supported_modes),
2241                                       width, height,
2242                                       fmt->format.width, fmt->format.height);
2243         ov5670_update_pad_format(mode, fmt);
2244         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2245                 *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
2246         } else {
2247                 ov5670->cur_mode = mode;
2248                 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2249                 __v4l2_ctrl_s_ctrl_int64(
2250                         ov5670->pixel_rate,
2251                         link_freq_configs[mode->link_freq_index].pixel_rate);
2252                 /* Update limits and set FPS to default */
2253                 vblank_def = ov5670->cur_mode->vts_def -
2254                              ov5670->cur_mode->height;
2255                 __v4l2_ctrl_modify_range(
2256                         ov5670->vblank,
2257                         ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2258                         OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2259                         vblank_def);
2260                 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2261                 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2262                 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2263                                          h_blank);
2264         }
2265
2266         mutex_unlock(&ov5670->mutex);
2267
2268         return 0;
2269 }
2270
2271 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2272 {
2273         *frames = OV5670_NUM_OF_SKIP_FRAMES;
2274
2275         return 0;
2276 }
2277
2278 /* Verify chip ID */
2279 static int ov5670_identify_module(struct ov5670 *ov5670)
2280 {
2281         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2282         int ret;
2283         u32 val;
2284
2285         if (ov5670->identified)
2286                 return 0;
2287
2288         ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2289                               OV5670_REG_VALUE_24BIT, &val);
2290         if (ret)
2291                 return ret;
2292
2293         if (val != OV5670_CHIP_ID) {
2294                 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2295                         OV5670_CHIP_ID, val);
2296                 return -ENXIO;
2297         }
2298
2299         ov5670->identified = true;
2300
2301         return 0;
2302 }
2303
2304 /* Prepare streaming by writing default values and customized values */
2305 static int ov5670_start_streaming(struct ov5670 *ov5670)
2306 {
2307         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2308         const struct ov5670_reg_list *reg_list;
2309         int link_freq_index;
2310         int ret;
2311
2312         ret = ov5670_identify_module(ov5670);
2313         if (ret)
2314                 return ret;
2315
2316         /* Get out of from software reset */
2317         ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2318                                OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2319         if (ret) {
2320                 dev_err(&client->dev, "%s failed to set powerup registers\n",
2321                         __func__);
2322                 return ret;
2323         }
2324
2325         /* Setup PLL */
2326         link_freq_index = ov5670->cur_mode->link_freq_index;
2327         reg_list = &link_freq_configs[link_freq_index].reg_list;
2328         ret = ov5670_write_reg_list(ov5670, reg_list);
2329         if (ret) {
2330                 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2331                 return ret;
2332         }
2333
2334         /* Apply default values of current mode */
2335         reg_list = &ov5670->cur_mode->reg_list;
2336         ret = ov5670_write_reg_list(ov5670, reg_list);
2337         if (ret) {
2338                 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2339                 return ret;
2340         }
2341
2342         ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2343         if (ret)
2344                 return ret;
2345
2346         /* Write stream on list */
2347         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2348                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2349         if (ret) {
2350                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2351                 return ret;
2352         }
2353
2354         return 0;
2355 }
2356
2357 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2358 {
2359         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2360         int ret;
2361
2362         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2363                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2364         if (ret)
2365                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2366
2367         /* Return success even if it was an error, as there is nothing the
2368          * caller can do about it.
2369          */
2370         return 0;
2371 }
2372
2373 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2374 {
2375         struct ov5670 *ov5670 = to_ov5670(sd);
2376         struct i2c_client *client = v4l2_get_subdevdata(sd);
2377         int ret = 0;
2378
2379         mutex_lock(&ov5670->mutex);
2380         if (ov5670->streaming == enable)
2381                 goto unlock_and_return;
2382
2383         if (enable) {
2384                 ret = pm_runtime_resume_and_get(&client->dev);
2385                 if (ret < 0)
2386                         goto unlock_and_return;
2387
2388                 ret = ov5670_start_streaming(ov5670);
2389                 if (ret)
2390                         goto error;
2391         } else {
2392                 ret = ov5670_stop_streaming(ov5670);
2393                 pm_runtime_put(&client->dev);
2394         }
2395         ov5670->streaming = enable;
2396         goto unlock_and_return;
2397
2398 error:
2399         pm_runtime_put(&client->dev);
2400
2401 unlock_and_return:
2402         mutex_unlock(&ov5670->mutex);
2403
2404         return ret;
2405 }
2406
2407 static int __maybe_unused ov5670_suspend(struct device *dev)
2408 {
2409         struct v4l2_subdev *sd = dev_get_drvdata(dev);
2410         struct ov5670 *ov5670 = to_ov5670(sd);
2411
2412         if (ov5670->streaming)
2413                 ov5670_stop_streaming(ov5670);
2414
2415         return 0;
2416 }
2417
2418 static int __maybe_unused ov5670_resume(struct device *dev)
2419 {
2420         struct v4l2_subdev *sd = dev_get_drvdata(dev);
2421         struct ov5670 *ov5670 = to_ov5670(sd);
2422         int ret;
2423
2424         if (ov5670->streaming) {
2425                 ret = ov5670_start_streaming(ov5670);
2426                 if (ret) {
2427                         ov5670_stop_streaming(ov5670);
2428                         return ret;
2429                 }
2430         }
2431
2432         return 0;
2433 }
2434
2435 static const struct v4l2_subdev_core_ops ov5670_core_ops = {
2436         .log_status = v4l2_ctrl_subdev_log_status,
2437         .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
2438         .unsubscribe_event = v4l2_event_subdev_unsubscribe,
2439 };
2440
2441 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2442         .s_stream = ov5670_set_stream,
2443 };
2444
2445 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2446         .enum_mbus_code = ov5670_enum_mbus_code,
2447         .get_fmt = ov5670_get_pad_format,
2448         .set_fmt = ov5670_set_pad_format,
2449         .enum_frame_size = ov5670_enum_frame_size,
2450 };
2451
2452 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2453         .g_skip_frames = ov5670_get_skip_frames,
2454 };
2455
2456 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2457         .core = &ov5670_core_ops,
2458         .video = &ov5670_video_ops,
2459         .pad = &ov5670_pad_ops,
2460         .sensor = &ov5670_sensor_ops,
2461 };
2462
2463 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2464         .link_validate = v4l2_subdev_link_validate,
2465 };
2466
2467 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2468         .open = ov5670_open,
2469 };
2470
2471 static int ov5670_probe(struct i2c_client *client)
2472 {
2473         struct ov5670 *ov5670;
2474         const char *err_msg;
2475         u32 input_clk = 0;
2476         bool full_power;
2477         int ret;
2478
2479         device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2480         if (input_clk != 19200000)
2481                 return -EINVAL;
2482
2483         ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2484         if (!ov5670) {
2485                 ret = -ENOMEM;
2486                 err_msg = "devm_kzalloc() error";
2487                 goto error_print;
2488         }
2489
2490         /* Initialize subdev */
2491         v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2492
2493         full_power = acpi_dev_state_d0(&client->dev);
2494         if (full_power) {
2495                 /* Check module identity */
2496                 ret = ov5670_identify_module(ov5670);
2497                 if (ret) {
2498                         err_msg = "ov5670_identify_module() error";
2499                         goto error_print;
2500                 }
2501         }
2502
2503         mutex_init(&ov5670->mutex);
2504
2505         /* Set default mode to max resolution */
2506         ov5670->cur_mode = &supported_modes[0];
2507
2508         ret = ov5670_init_controls(ov5670);
2509         if (ret) {
2510                 err_msg = "ov5670_init_controls() error";
2511                 goto error_mutex_destroy;
2512         }
2513
2514         ov5670->sd.internal_ops = &ov5670_internal_ops;
2515         ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
2516                             V4L2_SUBDEV_FL_HAS_EVENTS;
2517         ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2518         ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2519
2520         /* Source pad initialization */
2521         ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2522         ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2523         if (ret) {
2524                 err_msg = "media_entity_pads_init() error";
2525                 goto error_handler_free;
2526         }
2527
2528         /* Async register for subdev */
2529         ret = v4l2_async_register_subdev_sensor(&ov5670->sd);
2530         if (ret < 0) {
2531                 err_msg = "v4l2_async_register_subdev() error";
2532                 goto error_entity_cleanup;
2533         }
2534
2535         ov5670->streaming = false;
2536
2537         /* Set the device's state to active if it's in D0 state. */
2538         if (full_power)
2539                 pm_runtime_set_active(&client->dev);
2540         pm_runtime_enable(&client->dev);
2541         pm_runtime_idle(&client->dev);
2542
2543         return 0;
2544
2545 error_entity_cleanup:
2546         media_entity_cleanup(&ov5670->sd.entity);
2547
2548 error_handler_free:
2549         v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2550
2551 error_mutex_destroy:
2552         mutex_destroy(&ov5670->mutex);
2553
2554 error_print:
2555         dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2556
2557         return ret;
2558 }
2559
2560 static void ov5670_remove(struct i2c_client *client)
2561 {
2562         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2563         struct ov5670 *ov5670 = to_ov5670(sd);
2564
2565         v4l2_async_unregister_subdev(sd);
2566         media_entity_cleanup(&sd->entity);
2567         v4l2_ctrl_handler_free(sd->ctrl_handler);
2568         mutex_destroy(&ov5670->mutex);
2569
2570         pm_runtime_disable(&client->dev);
2571 }
2572
2573 static const struct dev_pm_ops ov5670_pm_ops = {
2574         SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2575 };
2576
2577 #ifdef CONFIG_ACPI
2578 static const struct acpi_device_id ov5670_acpi_ids[] = {
2579         { "INT3479" },
2580         { /* sentinel */ }
2581 };
2582
2583 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2584 #endif
2585
2586 static struct i2c_driver ov5670_i2c_driver = {
2587         .driver = {
2588                 .name = "ov5670",
2589                 .pm = &ov5670_pm_ops,
2590                 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2591         },
2592         .probe_new = ov5670_probe,
2593         .remove = ov5670_remove,
2594         .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE,
2595 };
2596
2597 module_i2c_driver(ov5670_i2c_driver);
2598
2599 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2600 MODULE_AUTHOR("Yang, Hyungwoo");
2601 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2602 MODULE_LICENSE("GPL v2");