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b52a851d BH |
1 | /* |
2 | * Driver for OV5642 CMOS Image Sensor from Omnivision | |
3 | * | |
4 | * Copyright (C) 2011, Bastian Hecht <hechtb@gmail.com> | |
5 | * | |
6 | * Based on Sony IMX074 Camera Driver | |
7 | * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> | |
8 | * | |
9 | * Based on Omnivision OV7670 Camera Driver | |
10 | * Copyright (C) 2006-7 Jonathan Corbet <corbet@lwn.net> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License version 2 as | |
14 | * published by the Free Software Foundation. | |
15 | */ | |
16 | ||
17 | #include <linux/delay.h> | |
18 | #include <linux/i2c.h> | |
19 | #include <linux/slab.h> | |
20 | #include <linux/videodev2.h> | |
d208c97c | 21 | #include <linux/module.h> |
b52a851d BH |
22 | |
23 | #include <media/soc_camera.h> | |
24 | #include <media/soc_mediabus.h> | |
25 | #include <media/v4l2-chip-ident.h> | |
26 | #include <media/v4l2-subdev.h> | |
27 | ||
28 | /* OV5642 registers */ | |
29 | #define REG_CHIP_ID_HIGH 0x300a | |
30 | #define REG_CHIP_ID_LOW 0x300b | |
31 | ||
32 | #define REG_WINDOW_START_X_HIGH 0x3800 | |
33 | #define REG_WINDOW_START_X_LOW 0x3801 | |
34 | #define REG_WINDOW_START_Y_HIGH 0x3802 | |
35 | #define REG_WINDOW_START_Y_LOW 0x3803 | |
36 | #define REG_WINDOW_WIDTH_HIGH 0x3804 | |
37 | #define REG_WINDOW_WIDTH_LOW 0x3805 | |
38 | #define REG_WINDOW_HEIGHT_HIGH 0x3806 | |
39 | #define REG_WINDOW_HEIGHT_LOW 0x3807 | |
40 | #define REG_OUT_WIDTH_HIGH 0x3808 | |
41 | #define REG_OUT_WIDTH_LOW 0x3809 | |
42 | #define REG_OUT_HEIGHT_HIGH 0x380a | |
43 | #define REG_OUT_HEIGHT_LOW 0x380b | |
44 | #define REG_OUT_TOTAL_WIDTH_HIGH 0x380c | |
45 | #define REG_OUT_TOTAL_WIDTH_LOW 0x380d | |
46 | #define REG_OUT_TOTAL_HEIGHT_HIGH 0x380e | |
47 | #define REG_OUT_TOTAL_HEIGHT_LOW 0x380f | |
48 | ||
49 | /* | |
50 | * define standard resolution. | |
51 | * Works currently only for up to 720 lines | |
52 | * eg. 320x240, 640x480, 800x600, 1280x720, 2048x720 | |
53 | */ | |
54 | ||
55 | #define OV5642_WIDTH 1280 | |
56 | #define OV5642_HEIGHT 720 | |
57 | #define OV5642_TOTAL_WIDTH 3200 | |
58 | #define OV5642_TOTAL_HEIGHT 2000 | |
59 | #define OV5642_SENSOR_SIZE_X 2592 | |
60 | #define OV5642_SENSOR_SIZE_Y 1944 | |
61 | ||
62 | struct regval_list { | |
63 | u16 reg_num; | |
64 | u8 value; | |
65 | }; | |
66 | ||
67 | static struct regval_list ov5642_default_regs_init[] = { | |
68 | { 0x3103, 0x93 }, | |
69 | { 0x3008, 0x82 }, | |
70 | { 0x3017, 0x7f }, | |
71 | { 0x3018, 0xfc }, | |
72 | { 0x3810, 0xc2 }, | |
73 | { 0x3615, 0xf0 }, | |
74 | { 0x3000, 0x0 }, | |
75 | { 0x3001, 0x0 }, | |
76 | { 0x3002, 0x0 }, | |
77 | { 0x3003, 0x0 }, | |
78 | { 0x3004, 0xff }, | |
79 | { 0x3030, 0x2b }, | |
80 | { 0x3011, 0x8 }, | |
81 | { 0x3010, 0x10 }, | |
82 | { 0x3604, 0x60 }, | |
83 | { 0x3622, 0x60 }, | |
84 | { 0x3621, 0x9 }, | |
85 | { 0x3709, 0x0 }, | |
86 | { 0x4000, 0x21 }, | |
87 | { 0x401d, 0x22 }, | |
88 | { 0x3600, 0x54 }, | |
89 | { 0x3605, 0x4 }, | |
90 | { 0x3606, 0x3f }, | |
91 | { 0x3c01, 0x80 }, | |
92 | { 0x300d, 0x22 }, | |
93 | { 0x3623, 0x22 }, | |
94 | { 0x5000, 0x4f }, | |
95 | { 0x5020, 0x4 }, | |
96 | { 0x5181, 0x79 }, | |
97 | { 0x5182, 0x0 }, | |
98 | { 0x5185, 0x22 }, | |
99 | { 0x5197, 0x1 }, | |
100 | { 0x5500, 0xa }, | |
101 | { 0x5504, 0x0 }, | |
102 | { 0x5505, 0x7f }, | |
103 | { 0x5080, 0x8 }, | |
104 | { 0x300e, 0x18 }, | |
105 | { 0x4610, 0x0 }, | |
106 | { 0x471d, 0x5 }, | |
107 | { 0x4708, 0x6 }, | |
108 | { 0x370c, 0xa0 }, | |
109 | { 0x5687, 0x94 }, | |
110 | { 0x501f, 0x0 }, | |
111 | { 0x5000, 0x4f }, | |
112 | { 0x5001, 0xcf }, | |
113 | { 0x4300, 0x30 }, | |
114 | { 0x4300, 0x30 }, | |
115 | { 0x460b, 0x35 }, | |
116 | { 0x471d, 0x0 }, | |
117 | { 0x3002, 0xc }, | |
118 | { 0x3002, 0x0 }, | |
119 | { 0x4713, 0x3 }, | |
120 | { 0x471c, 0x50 }, | |
121 | { 0x4721, 0x2 }, | |
122 | { 0x4402, 0x90 }, | |
123 | { 0x460c, 0x22 }, | |
124 | { 0x3815, 0x44 }, | |
125 | { 0x3503, 0x7 }, | |
126 | { 0x3501, 0x73 }, | |
127 | { 0x3502, 0x80 }, | |
128 | { 0x350b, 0x0 }, | |
129 | { 0x3818, 0xc8 }, | |
130 | { 0x3824, 0x11 }, | |
131 | { 0x3a00, 0x78 }, | |
132 | { 0x3a1a, 0x4 }, | |
133 | { 0x3a13, 0x30 }, | |
134 | { 0x3a18, 0x0 }, | |
135 | { 0x3a19, 0x7c }, | |
136 | { 0x3a08, 0x12 }, | |
137 | { 0x3a09, 0xc0 }, | |
138 | { 0x3a0a, 0xf }, | |
139 | { 0x3a0b, 0xa0 }, | |
140 | { 0x350c, 0x7 }, | |
141 | { 0x350d, 0xd0 }, | |
142 | { 0x3a0d, 0x8 }, | |
143 | { 0x3a0e, 0x6 }, | |
144 | { 0x3500, 0x0 }, | |
145 | { 0x3501, 0x0 }, | |
146 | { 0x3502, 0x0 }, | |
147 | { 0x350a, 0x0 }, | |
148 | { 0x350b, 0x0 }, | |
149 | { 0x3503, 0x0 }, | |
150 | { 0x3a0f, 0x3c }, | |
151 | { 0x3a10, 0x32 }, | |
152 | { 0x3a1b, 0x3c }, | |
153 | { 0x3a1e, 0x32 }, | |
154 | { 0x3a11, 0x80 }, | |
155 | { 0x3a1f, 0x20 }, | |
156 | { 0x3030, 0x2b }, | |
157 | { 0x3a02, 0x0 }, | |
158 | { 0x3a03, 0x7d }, | |
159 | { 0x3a04, 0x0 }, | |
160 | { 0x3a14, 0x0 }, | |
161 | { 0x3a15, 0x7d }, | |
162 | { 0x3a16, 0x0 }, | |
163 | { 0x3a00, 0x78 }, | |
164 | { 0x3a08, 0x9 }, | |
165 | { 0x3a09, 0x60 }, | |
166 | { 0x3a0a, 0x7 }, | |
167 | { 0x3a0b, 0xd0 }, | |
168 | { 0x3a0d, 0x10 }, | |
169 | { 0x3a0e, 0xd }, | |
170 | { 0x4407, 0x4 }, | |
171 | { 0x5193, 0x70 }, | |
172 | { 0x589b, 0x0 }, | |
173 | { 0x589a, 0xc0 }, | |
174 | { 0x401e, 0x20 }, | |
175 | { 0x4001, 0x42 }, | |
176 | { 0x401c, 0x6 }, | |
177 | { 0x3825, 0xac }, | |
178 | { 0x3827, 0xc }, | |
179 | { 0x528a, 0x1 }, | |
180 | { 0x528b, 0x4 }, | |
181 | { 0x528c, 0x8 }, | |
182 | { 0x528d, 0x10 }, | |
183 | { 0x528e, 0x20 }, | |
184 | { 0x528f, 0x28 }, | |
185 | { 0x5290, 0x30 }, | |
186 | { 0x5292, 0x0 }, | |
187 | { 0x5293, 0x1 }, | |
188 | { 0x5294, 0x0 }, | |
189 | { 0x5295, 0x4 }, | |
190 | { 0x5296, 0x0 }, | |
191 | { 0x5297, 0x8 }, | |
192 | { 0x5298, 0x0 }, | |
193 | { 0x5299, 0x10 }, | |
194 | { 0x529a, 0x0 }, | |
195 | { 0x529b, 0x20 }, | |
196 | { 0x529c, 0x0 }, | |
197 | { 0x529d, 0x28 }, | |
198 | { 0x529e, 0x0 }, | |
199 | { 0x529f, 0x30 }, | |
200 | { 0x5282, 0x0 }, | |
201 | { 0x5300, 0x0 }, | |
202 | { 0x5301, 0x20 }, | |
203 | { 0x5302, 0x0 }, | |
204 | { 0x5303, 0x7c }, | |
205 | { 0x530c, 0x0 }, | |
206 | { 0x530d, 0xc }, | |
207 | { 0x530e, 0x20 }, | |
208 | { 0x530f, 0x80 }, | |
209 | { 0x5310, 0x20 }, | |
210 | { 0x5311, 0x80 }, | |
211 | { 0x5308, 0x20 }, | |
212 | { 0x5309, 0x40 }, | |
213 | { 0x5304, 0x0 }, | |
214 | { 0x5305, 0x30 }, | |
215 | { 0x5306, 0x0 }, | |
216 | { 0x5307, 0x80 }, | |
217 | { 0x5314, 0x8 }, | |
218 | { 0x5315, 0x20 }, | |
219 | { 0x5319, 0x30 }, | |
220 | { 0x5316, 0x10 }, | |
221 | { 0x5317, 0x0 }, | |
222 | { 0x5318, 0x2 }, | |
223 | { 0x5380, 0x1 }, | |
224 | { 0x5381, 0x0 }, | |
225 | { 0x5382, 0x0 }, | |
226 | { 0x5383, 0x4e }, | |
227 | { 0x5384, 0x0 }, | |
228 | { 0x5385, 0xf }, | |
229 | { 0x5386, 0x0 }, | |
230 | { 0x5387, 0x0 }, | |
231 | { 0x5388, 0x1 }, | |
232 | { 0x5389, 0x15 }, | |
233 | { 0x538a, 0x0 }, | |
234 | { 0x538b, 0x31 }, | |
235 | { 0x538c, 0x0 }, | |
236 | { 0x538d, 0x0 }, | |
237 | { 0x538e, 0x0 }, | |
238 | { 0x538f, 0xf }, | |
239 | { 0x5390, 0x0 }, | |
240 | { 0x5391, 0xab }, | |
241 | { 0x5392, 0x0 }, | |
242 | { 0x5393, 0xa2 }, | |
243 | { 0x5394, 0x8 }, | |
244 | { 0x5480, 0x14 }, | |
245 | { 0x5481, 0x21 }, | |
246 | { 0x5482, 0x36 }, | |
247 | { 0x5483, 0x57 }, | |
248 | { 0x5484, 0x65 }, | |
249 | { 0x5485, 0x71 }, | |
250 | { 0x5486, 0x7d }, | |
251 | { 0x5487, 0x87 }, | |
252 | { 0x5488, 0x91 }, | |
253 | { 0x5489, 0x9a }, | |
254 | { 0x548a, 0xaa }, | |
255 | { 0x548b, 0xb8 }, | |
256 | { 0x548c, 0xcd }, | |
257 | { 0x548d, 0xdd }, | |
258 | { 0x548e, 0xea }, | |
259 | { 0x548f, 0x1d }, | |
260 | { 0x5490, 0x5 }, | |
261 | { 0x5491, 0x0 }, | |
262 | { 0x5492, 0x4 }, | |
263 | { 0x5493, 0x20 }, | |
264 | { 0x5494, 0x3 }, | |
265 | { 0x5495, 0x60 }, | |
266 | { 0x5496, 0x2 }, | |
267 | { 0x5497, 0xb8 }, | |
268 | { 0x5498, 0x2 }, | |
269 | { 0x5499, 0x86 }, | |
270 | { 0x549a, 0x2 }, | |
271 | { 0x549b, 0x5b }, | |
272 | { 0x549c, 0x2 }, | |
273 | { 0x549d, 0x3b }, | |
274 | { 0x549e, 0x2 }, | |
275 | { 0x549f, 0x1c }, | |
276 | { 0x54a0, 0x2 }, | |
277 | { 0x54a1, 0x4 }, | |
278 | { 0x54a2, 0x1 }, | |
279 | { 0x54a3, 0xed }, | |
280 | { 0x54a4, 0x1 }, | |
281 | { 0x54a5, 0xc5 }, | |
282 | { 0x54a6, 0x1 }, | |
283 | { 0x54a7, 0xa5 }, | |
284 | { 0x54a8, 0x1 }, | |
285 | { 0x54a9, 0x6c }, | |
286 | { 0x54aa, 0x1 }, | |
287 | { 0x54ab, 0x41 }, | |
288 | { 0x54ac, 0x1 }, | |
289 | { 0x54ad, 0x20 }, | |
290 | { 0x54ae, 0x0 }, | |
291 | { 0x54af, 0x16 }, | |
292 | { 0x54b0, 0x1 }, | |
293 | { 0x54b1, 0x20 }, | |
294 | { 0x54b2, 0x0 }, | |
295 | { 0x54b3, 0x10 }, | |
296 | { 0x54b4, 0x0 }, | |
297 | { 0x54b5, 0xf0 }, | |
298 | { 0x54b6, 0x0 }, | |
299 | { 0x54b7, 0xdf }, | |
300 | { 0x5402, 0x3f }, | |
301 | { 0x5403, 0x0 }, | |
302 | { 0x3406, 0x0 }, | |
303 | { 0x5180, 0xff }, | |
304 | { 0x5181, 0x52 }, | |
305 | { 0x5182, 0x11 }, | |
306 | { 0x5183, 0x14 }, | |
307 | { 0x5184, 0x25 }, | |
308 | { 0x5185, 0x24 }, | |
309 | { 0x5186, 0x6 }, | |
310 | { 0x5187, 0x8 }, | |
311 | { 0x5188, 0x8 }, | |
312 | { 0x5189, 0x7c }, | |
313 | { 0x518a, 0x60 }, | |
314 | { 0x518b, 0xb2 }, | |
315 | { 0x518c, 0xb2 }, | |
316 | { 0x518d, 0x44 }, | |
317 | { 0x518e, 0x3d }, | |
318 | { 0x518f, 0x58 }, | |
319 | { 0x5190, 0x46 }, | |
320 | { 0x5191, 0xf8 }, | |
321 | { 0x5192, 0x4 }, | |
322 | { 0x5193, 0x70 }, | |
323 | { 0x5194, 0xf0 }, | |
324 | { 0x5195, 0xf0 }, | |
325 | { 0x5196, 0x3 }, | |
326 | { 0x5197, 0x1 }, | |
327 | { 0x5198, 0x4 }, | |
328 | { 0x5199, 0x12 }, | |
329 | { 0x519a, 0x4 }, | |
330 | { 0x519b, 0x0 }, | |
331 | { 0x519c, 0x6 }, | |
332 | { 0x519d, 0x82 }, | |
333 | { 0x519e, 0x0 }, | |
334 | { 0x5025, 0x80 }, | |
335 | { 0x3a0f, 0x38 }, | |
336 | { 0x3a10, 0x30 }, | |
337 | { 0x3a1b, 0x3a }, | |
338 | { 0x3a1e, 0x2e }, | |
339 | { 0x3a11, 0x60 }, | |
340 | { 0x3a1f, 0x10 }, | |
341 | { 0x5688, 0xa6 }, | |
342 | { 0x5689, 0x6a }, | |
343 | { 0x568a, 0xea }, | |
344 | { 0x568b, 0xae }, | |
345 | { 0x568c, 0xa6 }, | |
346 | { 0x568d, 0x6a }, | |
347 | { 0x568e, 0x62 }, | |
348 | { 0x568f, 0x26 }, | |
349 | { 0x5583, 0x40 }, | |
350 | { 0x5584, 0x40 }, | |
351 | { 0x5580, 0x2 }, | |
352 | { 0x5000, 0xcf }, | |
353 | { 0x5800, 0x27 }, | |
354 | { 0x5801, 0x19 }, | |
355 | { 0x5802, 0x12 }, | |
356 | { 0x5803, 0xf }, | |
357 | { 0x5804, 0x10 }, | |
358 | { 0x5805, 0x15 }, | |
359 | { 0x5806, 0x1e }, | |
360 | { 0x5807, 0x2f }, | |
361 | { 0x5808, 0x15 }, | |
362 | { 0x5809, 0xd }, | |
363 | { 0x580a, 0xa }, | |
364 | { 0x580b, 0x9 }, | |
365 | { 0x580c, 0xa }, | |
366 | { 0x580d, 0xc }, | |
367 | { 0x580e, 0x12 }, | |
368 | { 0x580f, 0x19 }, | |
369 | { 0x5810, 0xb }, | |
370 | { 0x5811, 0x7 }, | |
371 | { 0x5812, 0x4 }, | |
372 | { 0x5813, 0x3 }, | |
373 | { 0x5814, 0x3 }, | |
374 | { 0x5815, 0x6 }, | |
375 | { 0x5816, 0xa }, | |
376 | { 0x5817, 0xf }, | |
377 | { 0x5818, 0xa }, | |
378 | { 0x5819, 0x5 }, | |
379 | { 0x581a, 0x1 }, | |
380 | { 0x581b, 0x0 }, | |
381 | { 0x581c, 0x0 }, | |
382 | { 0x581d, 0x3 }, | |
383 | { 0x581e, 0x8 }, | |
384 | { 0x581f, 0xc }, | |
385 | { 0x5820, 0xa }, | |
386 | { 0x5821, 0x5 }, | |
387 | { 0x5822, 0x1 }, | |
388 | { 0x5823, 0x0 }, | |
389 | { 0x5824, 0x0 }, | |
390 | { 0x5825, 0x3 }, | |
391 | { 0x5826, 0x8 }, | |
392 | { 0x5827, 0xc }, | |
393 | { 0x5828, 0xe }, | |
394 | { 0x5829, 0x8 }, | |
395 | { 0x582a, 0x6 }, | |
396 | { 0x582b, 0x4 }, | |
397 | { 0x582c, 0x5 }, | |
398 | { 0x582d, 0x7 }, | |
399 | { 0x582e, 0xb }, | |
400 | { 0x582f, 0x12 }, | |
401 | { 0x5830, 0x18 }, | |
402 | { 0x5831, 0x10 }, | |
403 | { 0x5832, 0xc }, | |
404 | { 0x5833, 0xa }, | |
405 | { 0x5834, 0xb }, | |
406 | { 0x5835, 0xe }, | |
407 | { 0x5836, 0x15 }, | |
408 | { 0x5837, 0x19 }, | |
409 | { 0x5838, 0x32 }, | |
410 | { 0x5839, 0x1f }, | |
411 | { 0x583a, 0x18 }, | |
412 | { 0x583b, 0x16 }, | |
413 | { 0x583c, 0x17 }, | |
414 | { 0x583d, 0x1e }, | |
415 | { 0x583e, 0x26 }, | |
416 | { 0x583f, 0x53 }, | |
417 | { 0x5840, 0x10 }, | |
418 | { 0x5841, 0xf }, | |
419 | { 0x5842, 0xd }, | |
420 | { 0x5843, 0xc }, | |
421 | { 0x5844, 0xe }, | |
422 | { 0x5845, 0x9 }, | |
423 | { 0x5846, 0x11 }, | |
424 | { 0x5847, 0x10 }, | |
425 | { 0x5848, 0x10 }, | |
426 | { 0x5849, 0x10 }, | |
427 | { 0x584a, 0x10 }, | |
428 | { 0x584b, 0xe }, | |
429 | { 0x584c, 0x10 }, | |
430 | { 0x584d, 0x10 }, | |
431 | { 0x584e, 0x11 }, | |
432 | { 0x584f, 0x10 }, | |
433 | { 0x5850, 0xf }, | |
434 | { 0x5851, 0xc }, | |
435 | { 0x5852, 0xf }, | |
436 | { 0x5853, 0x10 }, | |
437 | { 0x5854, 0x10 }, | |
438 | { 0x5855, 0xf }, | |
439 | { 0x5856, 0xe }, | |
440 | { 0x5857, 0xb }, | |
441 | { 0x5858, 0x10 }, | |
442 | { 0x5859, 0xd }, | |
443 | { 0x585a, 0xd }, | |
444 | { 0x585b, 0xc }, | |
445 | { 0x585c, 0xc }, | |
446 | { 0x585d, 0xc }, | |
447 | { 0x585e, 0xb }, | |
448 | { 0x585f, 0xc }, | |
449 | { 0x5860, 0xc }, | |
450 | { 0x5861, 0xc }, | |
451 | { 0x5862, 0xd }, | |
452 | { 0x5863, 0x8 }, | |
453 | { 0x5864, 0x11 }, | |
454 | { 0x5865, 0x18 }, | |
455 | { 0x5866, 0x18 }, | |
456 | { 0x5867, 0x19 }, | |
457 | { 0x5868, 0x17 }, | |
458 | { 0x5869, 0x19 }, | |
459 | { 0x586a, 0x16 }, | |
460 | { 0x586b, 0x13 }, | |
461 | { 0x586c, 0x13 }, | |
462 | { 0x586d, 0x12 }, | |
463 | { 0x586e, 0x13 }, | |
464 | { 0x586f, 0x16 }, | |
465 | { 0x5870, 0x14 }, | |
466 | { 0x5871, 0x12 }, | |
467 | { 0x5872, 0x10 }, | |
468 | { 0x5873, 0x11 }, | |
469 | { 0x5874, 0x11 }, | |
470 | { 0x5875, 0x16 }, | |
471 | { 0x5876, 0x14 }, | |
472 | { 0x5877, 0x11 }, | |
473 | { 0x5878, 0x10 }, | |
474 | { 0x5879, 0xf }, | |
475 | { 0x587a, 0x10 }, | |
476 | { 0x587b, 0x14 }, | |
477 | { 0x587c, 0x13 }, | |
478 | { 0x587d, 0x12 }, | |
479 | { 0x587e, 0x11 }, | |
480 | { 0x587f, 0x11 }, | |
481 | { 0x5880, 0x12 }, | |
482 | { 0x5881, 0x15 }, | |
483 | { 0x5882, 0x14 }, | |
484 | { 0x5883, 0x15 }, | |
485 | { 0x5884, 0x15 }, | |
486 | { 0x5885, 0x15 }, | |
487 | { 0x5886, 0x13 }, | |
488 | { 0x5887, 0x17 }, | |
489 | { 0x3710, 0x10 }, | |
490 | { 0x3632, 0x51 }, | |
491 | { 0x3702, 0x10 }, | |
492 | { 0x3703, 0xb2 }, | |
493 | { 0x3704, 0x18 }, | |
494 | { 0x370b, 0x40 }, | |
495 | { 0x370d, 0x3 }, | |
496 | { 0x3631, 0x1 }, | |
497 | { 0x3632, 0x52 }, | |
498 | { 0x3606, 0x24 }, | |
499 | { 0x3620, 0x96 }, | |
500 | { 0x5785, 0x7 }, | |
501 | { 0x3a13, 0x30 }, | |
502 | { 0x3600, 0x52 }, | |
503 | { 0x3604, 0x48 }, | |
504 | { 0x3606, 0x1b }, | |
505 | { 0x370d, 0xb }, | |
506 | { 0x370f, 0xc0 }, | |
507 | { 0x3709, 0x1 }, | |
508 | { 0x3823, 0x0 }, | |
509 | { 0x5007, 0x0 }, | |
510 | { 0x5009, 0x0 }, | |
511 | { 0x5011, 0x0 }, | |
512 | { 0x5013, 0x0 }, | |
513 | { 0x519e, 0x0 }, | |
514 | { 0x5086, 0x0 }, | |
515 | { 0x5087, 0x0 }, | |
516 | { 0x5088, 0x0 }, | |
517 | { 0x5089, 0x0 }, | |
518 | { 0x302b, 0x0 }, | |
519 | { 0x3503, 0x7 }, | |
520 | { 0x3011, 0x8 }, | |
521 | { 0x350c, 0x2 }, | |
522 | { 0x350d, 0xe4 }, | |
523 | { 0x3621, 0xc9 }, | |
524 | { 0x370a, 0x81 }, | |
525 | { 0xffff, 0xff }, | |
526 | }; | |
527 | ||
528 | static struct regval_list ov5642_default_regs_finalise[] = { | |
529 | { 0x3810, 0xc2 }, | |
530 | { 0x3818, 0xc9 }, | |
531 | { 0x381c, 0x10 }, | |
532 | { 0x381d, 0xa0 }, | |
533 | { 0x381e, 0x5 }, | |
534 | { 0x381f, 0xb0 }, | |
535 | { 0x3820, 0x0 }, | |
536 | { 0x3821, 0x0 }, | |
537 | { 0x3824, 0x11 }, | |
538 | { 0x3a08, 0x1b }, | |
539 | { 0x3a09, 0xc0 }, | |
540 | { 0x3a0a, 0x17 }, | |
541 | { 0x3a0b, 0x20 }, | |
542 | { 0x3a0d, 0x2 }, | |
543 | { 0x3a0e, 0x1 }, | |
544 | { 0x401c, 0x4 }, | |
545 | { 0x5682, 0x5 }, | |
546 | { 0x5683, 0x0 }, | |
547 | { 0x5686, 0x2 }, | |
548 | { 0x5687, 0xcc }, | |
549 | { 0x5001, 0x4f }, | |
550 | { 0x589b, 0x6 }, | |
551 | { 0x589a, 0xc5 }, | |
552 | { 0x3503, 0x0 }, | |
553 | { 0x460c, 0x20 }, | |
554 | { 0x460b, 0x37 }, | |
555 | { 0x471c, 0xd0 }, | |
556 | { 0x471d, 0x5 }, | |
557 | { 0x3815, 0x1 }, | |
558 | { 0x3818, 0xc1 }, | |
559 | { 0x501f, 0x0 }, | |
560 | { 0x5002, 0xe0 }, | |
561 | { 0x4300, 0x32 }, /* UYVY */ | |
562 | { 0x3002, 0x1c }, | |
563 | { 0x4800, 0x14 }, | |
564 | { 0x4801, 0xf }, | |
565 | { 0x3007, 0x3b }, | |
566 | { 0x300e, 0x4 }, | |
567 | { 0x4803, 0x50 }, | |
568 | { 0x3815, 0x1 }, | |
569 | { 0x4713, 0x2 }, | |
570 | { 0x4842, 0x1 }, | |
571 | { 0x300f, 0xe }, | |
572 | { 0x3003, 0x3 }, | |
573 | { 0x3003, 0x1 }, | |
574 | { 0xffff, 0xff }, | |
575 | }; | |
576 | ||
577 | struct ov5642_datafmt { | |
578 | enum v4l2_mbus_pixelcode code; | |
579 | enum v4l2_colorspace colorspace; | |
580 | }; | |
581 | ||
582 | struct ov5642 { | |
583 | struct v4l2_subdev subdev; | |
584 | const struct ov5642_datafmt *fmt; | |
585 | }; | |
586 | ||
587 | static const struct ov5642_datafmt ov5642_colour_fmts[] = { | |
588 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, | |
589 | }; | |
590 | ||
591 | static struct ov5642 *to_ov5642(const struct i2c_client *client) | |
592 | { | |
593 | return container_of(i2c_get_clientdata(client), struct ov5642, subdev); | |
594 | } | |
595 | ||
596 | /* Find a data format by a pixel code in an array */ | |
597 | static const struct ov5642_datafmt | |
598 | *ov5642_find_datafmt(enum v4l2_mbus_pixelcode code) | |
599 | { | |
600 | int i; | |
601 | ||
602 | for (i = 0; i < ARRAY_SIZE(ov5642_colour_fmts); i++) | |
603 | if (ov5642_colour_fmts[i].code == code) | |
604 | return ov5642_colour_fmts + i; | |
605 | ||
606 | return NULL; | |
607 | } | |
608 | ||
609 | static int reg_read(struct i2c_client *client, u16 reg, u8 *val) | |
610 | { | |
611 | int ret; | |
612 | /* We have 16-bit i2c addresses - care for endianess */ | |
613 | unsigned char data[2] = { reg >> 8, reg & 0xff }; | |
614 | ||
615 | ret = i2c_master_send(client, data, 2); | |
616 | if (ret < 2) { | |
617 | dev_err(&client->dev, "%s: i2c read error, reg: %x\n", | |
618 | __func__, reg); | |
619 | return ret < 0 ? ret : -EIO; | |
620 | } | |
621 | ||
622 | ret = i2c_master_recv(client, val, 1); | |
623 | if (ret < 1) { | |
624 | dev_err(&client->dev, "%s: i2c read error, reg: %x\n", | |
625 | __func__, reg); | |
626 | return ret < 0 ? ret : -EIO; | |
627 | } | |
628 | return 0; | |
629 | } | |
630 | ||
631 | static int reg_write(struct i2c_client *client, u16 reg, u8 val) | |
632 | { | |
633 | int ret; | |
634 | unsigned char data[3] = { reg >> 8, reg & 0xff, val }; | |
635 | ||
636 | ret = i2c_master_send(client, data, 3); | |
637 | if (ret < 3) { | |
638 | dev_err(&client->dev, "%s: i2c write error, reg: %x\n", | |
639 | __func__, reg); | |
640 | return ret < 0 ? ret : -EIO; | |
641 | } | |
642 | ||
643 | return 0; | |
644 | } | |
645 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
646 | static int ov5642_get_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) | |
647 | { | |
648 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
649 | int ret; | |
650 | u8 val; | |
651 | ||
652 | if (reg->reg & ~0xffff) | |
653 | return -EINVAL; | |
654 | ||
655 | reg->size = 1; | |
656 | ||
657 | ret = reg_read(client, reg->reg, &val); | |
658 | if (!ret) | |
659 | reg->val = (__u64)val; | |
660 | ||
661 | return ret; | |
662 | } | |
663 | ||
664 | static int ov5642_set_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) | |
665 | { | |
666 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
667 | ||
668 | if (reg->reg & ~0xffff || reg->val & ~0xff) | |
669 | return -EINVAL; | |
670 | ||
671 | return reg_write(client, reg->reg, reg->val); | |
672 | } | |
673 | #endif | |
674 | ||
675 | static int ov5642_write_array(struct i2c_client *client, | |
676 | struct regval_list *vals) | |
677 | { | |
678 | while (vals->reg_num != 0xffff || vals->value != 0xff) { | |
679 | int ret = reg_write(client, vals->reg_num, vals->value); | |
680 | if (ret < 0) | |
681 | return ret; | |
682 | vals++; | |
683 | } | |
684 | dev_dbg(&client->dev, "Register list loaded\n"); | |
685 | return 0; | |
686 | } | |
687 | ||
688 | static int ov5642_set_resolution(struct i2c_client *client) | |
689 | { | |
690 | int ret; | |
691 | u8 start_x_high = ((OV5642_SENSOR_SIZE_X - OV5642_WIDTH) / 2) >> 8; | |
692 | u8 start_x_low = ((OV5642_SENSOR_SIZE_X - OV5642_WIDTH) / 2) & 0xff; | |
693 | u8 start_y_high = ((OV5642_SENSOR_SIZE_Y - OV5642_HEIGHT) / 2) >> 8; | |
694 | u8 start_y_low = ((OV5642_SENSOR_SIZE_Y - OV5642_HEIGHT) / 2) & 0xff; | |
695 | ||
696 | u8 width_high = OV5642_WIDTH >> 8; | |
697 | u8 width_low = OV5642_WIDTH & 0xff; | |
698 | u8 height_high = OV5642_HEIGHT >> 8; | |
699 | u8 height_low = OV5642_HEIGHT & 0xff; | |
700 | ||
701 | u8 total_width_high = OV5642_TOTAL_WIDTH >> 8; | |
702 | u8 total_width_low = OV5642_TOTAL_WIDTH & 0xff; | |
703 | u8 total_height_high = OV5642_TOTAL_HEIGHT >> 8; | |
704 | u8 total_height_low = OV5642_TOTAL_HEIGHT & 0xff; | |
705 | ||
706 | ret = reg_write(client, REG_WINDOW_START_X_HIGH, start_x_high); | |
707 | if (!ret) | |
708 | ret = reg_write(client, REG_WINDOW_START_X_LOW, start_x_low); | |
709 | if (!ret) | |
710 | ret = reg_write(client, REG_WINDOW_START_Y_HIGH, start_y_high); | |
711 | if (!ret) | |
712 | ret = reg_write(client, REG_WINDOW_START_Y_LOW, start_y_low); | |
713 | ||
714 | if (!ret) | |
715 | ret = reg_write(client, REG_WINDOW_WIDTH_HIGH, width_high); | |
716 | if (!ret) | |
717 | ret = reg_write(client, REG_WINDOW_WIDTH_LOW , width_low); | |
718 | if (!ret) | |
719 | ret = reg_write(client, REG_WINDOW_HEIGHT_HIGH, height_high); | |
720 | if (!ret) | |
721 | ret = reg_write(client, REG_WINDOW_HEIGHT_LOW, height_low); | |
722 | ||
723 | if (!ret) | |
724 | ret = reg_write(client, REG_OUT_WIDTH_HIGH, width_high); | |
725 | if (!ret) | |
726 | ret = reg_write(client, REG_OUT_WIDTH_LOW , width_low); | |
727 | if (!ret) | |
728 | ret = reg_write(client, REG_OUT_HEIGHT_HIGH, height_high); | |
729 | if (!ret) | |
730 | ret = reg_write(client, REG_OUT_HEIGHT_LOW, height_low); | |
731 | ||
732 | if (!ret) | |
733 | ret = reg_write(client, REG_OUT_TOTAL_WIDTH_HIGH, total_width_high); | |
734 | if (!ret) | |
735 | ret = reg_write(client, REG_OUT_TOTAL_WIDTH_LOW, total_width_low); | |
736 | if (!ret) | |
737 | ret = reg_write(client, REG_OUT_TOTAL_HEIGHT_HIGH, total_height_high); | |
738 | if (!ret) | |
739 | ret = reg_write(client, REG_OUT_TOTAL_HEIGHT_LOW, total_height_low); | |
740 | ||
741 | return ret; | |
742 | } | |
743 | ||
744 | static int ov5642_try_fmt(struct v4l2_subdev *sd, | |
745 | struct v4l2_mbus_framefmt *mf) | |
746 | { | |
747 | const struct ov5642_datafmt *fmt = ov5642_find_datafmt(mf->code); | |
748 | ||
749 | dev_dbg(sd->v4l2_dev->dev, "%s(%u) width: %u heigth: %u\n", | |
750 | __func__, mf->code, mf->width, mf->height); | |
751 | ||
752 | if (!fmt) { | |
753 | mf->code = ov5642_colour_fmts[0].code; | |
754 | mf->colorspace = ov5642_colour_fmts[0].colorspace; | |
755 | } | |
756 | ||
757 | mf->width = OV5642_WIDTH; | |
758 | mf->height = OV5642_HEIGHT; | |
759 | mf->field = V4L2_FIELD_NONE; | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
764 | static int ov5642_s_fmt(struct v4l2_subdev *sd, | |
765 | struct v4l2_mbus_framefmt *mf) | |
766 | { | |
767 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
768 | struct ov5642 *priv = to_ov5642(client); | |
769 | ||
770 | dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code); | |
771 | ||
772 | /* MIPI CSI could have changed the format, double-check */ | |
773 | if (!ov5642_find_datafmt(mf->code)) | |
774 | return -EINVAL; | |
775 | ||
776 | ov5642_try_fmt(sd, mf); | |
777 | ||
778 | priv->fmt = ov5642_find_datafmt(mf->code); | |
779 | ||
780 | ov5642_write_array(client, ov5642_default_regs_init); | |
781 | ov5642_set_resolution(client); | |
782 | ov5642_write_array(client, ov5642_default_regs_finalise); | |
783 | ||
784 | return 0; | |
785 | } | |
786 | ||
787 | static int ov5642_g_fmt(struct v4l2_subdev *sd, | |
788 | struct v4l2_mbus_framefmt *mf) | |
789 | { | |
790 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
791 | struct ov5642 *priv = to_ov5642(client); | |
792 | ||
793 | const struct ov5642_datafmt *fmt = priv->fmt; | |
794 | ||
795 | mf->code = fmt->code; | |
796 | mf->colorspace = fmt->colorspace; | |
797 | mf->width = OV5642_WIDTH; | |
798 | mf->height = OV5642_HEIGHT; | |
799 | mf->field = V4L2_FIELD_NONE; | |
800 | ||
801 | return 0; | |
802 | } | |
803 | ||
804 | static int ov5642_enum_fmt(struct v4l2_subdev *sd, unsigned int index, | |
805 | enum v4l2_mbus_pixelcode *code) | |
806 | { | |
807 | if (index >= ARRAY_SIZE(ov5642_colour_fmts)) | |
808 | return -EINVAL; | |
809 | ||
810 | *code = ov5642_colour_fmts[index].code; | |
811 | return 0; | |
812 | } | |
813 | ||
814 | static int ov5642_g_chip_ident(struct v4l2_subdev *sd, | |
815 | struct v4l2_dbg_chip_ident *id) | |
816 | { | |
817 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
818 | ||
819 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) | |
820 | return -EINVAL; | |
821 | ||
822 | if (id->match.addr != client->addr) | |
823 | return -ENODEV; | |
824 | ||
825 | id->ident = V4L2_IDENT_OV5642; | |
826 | id->revision = 0; | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
831 | static int ov5642_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | |
832 | { | |
833 | struct v4l2_rect *rect = &a->c; | |
834 | ||
835 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
836 | rect->top = 0; | |
837 | rect->left = 0; | |
838 | rect->width = OV5642_WIDTH; | |
839 | rect->height = OV5642_HEIGHT; | |
840 | ||
841 | return 0; | |
842 | } | |
843 | ||
844 | static int ov5642_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | |
845 | { | |
846 | a->bounds.left = 0; | |
847 | a->bounds.top = 0; | |
848 | a->bounds.width = OV5642_WIDTH; | |
849 | a->bounds.height = OV5642_HEIGHT; | |
850 | a->defrect = a->bounds; | |
851 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
852 | a->pixelaspect.numerator = 1; | |
853 | a->pixelaspect.denominator = 1; | |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
93ac81dc GL |
858 | static int ov5642_g_mbus_config(struct v4l2_subdev *sd, |
859 | struct v4l2_mbus_config *cfg) | |
860 | { | |
861 | cfg->type = V4L2_MBUS_CSI2; | |
862 | cfg->flags = V4L2_MBUS_CSI2_2_LANE | | |
863 | V4L2_MBUS_CSI2_CHANNEL_0 | | |
864 | V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
b52a851d BH |
869 | static struct v4l2_subdev_video_ops ov5642_subdev_video_ops = { |
870 | .s_mbus_fmt = ov5642_s_fmt, | |
871 | .g_mbus_fmt = ov5642_g_fmt, | |
872 | .try_mbus_fmt = ov5642_try_fmt, | |
873 | .enum_mbus_fmt = ov5642_enum_fmt, | |
874 | .g_crop = ov5642_g_crop, | |
875 | .cropcap = ov5642_cropcap, | |
93ac81dc | 876 | .g_mbus_config = ov5642_g_mbus_config, |
b52a851d BH |
877 | }; |
878 | ||
879 | static struct v4l2_subdev_core_ops ov5642_subdev_core_ops = { | |
880 | .g_chip_ident = ov5642_g_chip_ident, | |
881 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
882 | .g_register = ov5642_get_register, | |
883 | .s_register = ov5642_set_register, | |
884 | #endif | |
885 | }; | |
886 | ||
887 | static struct v4l2_subdev_ops ov5642_subdev_ops = { | |
888 | .core = &ov5642_subdev_core_ops, | |
889 | .video = &ov5642_subdev_video_ops, | |
890 | }; | |
891 | ||
14178aa5 | 892 | static int ov5642_video_probe(struct i2c_client *client) |
b52a851d BH |
893 | { |
894 | int ret; | |
895 | u8 id_high, id_low; | |
896 | u16 id; | |
897 | ||
898 | /* Read sensor Model ID */ | |
899 | ret = reg_read(client, REG_CHIP_ID_HIGH, &id_high); | |
900 | if (ret < 0) | |
901 | return ret; | |
902 | ||
903 | id = id_high << 8; | |
904 | ||
905 | ret = reg_read(client, REG_CHIP_ID_LOW, &id_low); | |
906 | if (ret < 0) | |
907 | return ret; | |
908 | ||
909 | id |= id_low; | |
910 | ||
911 | dev_info(&client->dev, "Chip ID 0x%04x detected\n", id); | |
912 | ||
913 | if (id != 0x5642) | |
914 | return -ENODEV; | |
915 | ||
916 | return 0; | |
917 | } | |
918 | ||
919 | static int ov5642_probe(struct i2c_client *client, | |
920 | const struct i2c_device_id *did) | |
921 | { | |
922 | struct ov5642 *priv; | |
14178aa5 | 923 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
b52a851d BH |
924 | int ret; |
925 | ||
b52a851d BH |
926 | if (!icl) { |
927 | dev_err(&client->dev, "OV5642: missing platform data!\n"); | |
928 | return -EINVAL; | |
929 | } | |
930 | ||
931 | priv = kzalloc(sizeof(struct ov5642), GFP_KERNEL); | |
932 | if (!priv) | |
933 | return -ENOMEM; | |
934 | ||
935 | v4l2_i2c_subdev_init(&priv->subdev, client, &ov5642_subdev_ops); | |
936 | ||
b52a851d BH |
937 | priv->fmt = &ov5642_colour_fmts[0]; |
938 | ||
14178aa5 | 939 | ret = ov5642_video_probe(client); |
b52a851d BH |
940 | if (ret < 0) |
941 | goto error; | |
942 | ||
943 | return 0; | |
944 | ||
945 | error: | |
b52a851d BH |
946 | kfree(priv); |
947 | return ret; | |
948 | } | |
949 | ||
950 | static int ov5642_remove(struct i2c_client *client) | |
951 | { | |
952 | struct ov5642 *priv = to_ov5642(client); | |
14178aa5 | 953 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
b52a851d | 954 | |
b52a851d BH |
955 | if (icl->free_bus) |
956 | icl->free_bus(icl); | |
957 | kfree(priv); | |
958 | ||
959 | return 0; | |
960 | } | |
961 | ||
962 | static const struct i2c_device_id ov5642_id[] = { | |
963 | { "ov5642", 0 }, | |
964 | { } | |
965 | }; | |
966 | MODULE_DEVICE_TABLE(i2c, ov5642_id); | |
967 | ||
968 | static struct i2c_driver ov5642_i2c_driver = { | |
969 | .driver = { | |
970 | .name = "ov5642", | |
971 | }, | |
972 | .probe = ov5642_probe, | |
973 | .remove = ov5642_remove, | |
974 | .id_table = ov5642_id, | |
975 | }; | |
976 | ||
977 | static int __init ov5642_mod_init(void) | |
978 | { | |
979 | return i2c_add_driver(&ov5642_i2c_driver); | |
980 | } | |
981 | ||
982 | static void __exit ov5642_mod_exit(void) | |
983 | { | |
984 | i2c_del_driver(&ov5642_i2c_driver); | |
985 | } | |
986 | ||
987 | module_init(ov5642_mod_init); | |
988 | module_exit(ov5642_mod_exit); | |
989 | ||
990 | MODULE_DESCRIPTION("Omnivision OV5642 Camera driver"); | |
991 | MODULE_AUTHOR("Bastian Hecht <hechtb@gmail.com>"); | |
992 | MODULE_LICENSE("GPL v2"); |