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f877ed97 SJ |
1 | /* |
2 | * vs6624.c ST VS6624 CMOS image sensor driver | |
3 | * | |
4 | * Copyright (c) 2011 Analog Devices Inc. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
20 | #include <linux/delay.h> | |
21 | #include <linux/errno.h> | |
22 | #include <linux/gpio.h> | |
23 | #include <linux/i2c.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/slab.h> | |
27 | #include <linux/types.h> | |
28 | #include <linux/videodev2.h> | |
29 | ||
f877ed97 SJ |
30 | #include <media/v4l2-ctrls.h> |
31 | #include <media/v4l2-device.h> | |
32 | #include <media/v4l2-mediabus.h> | |
37096b47 | 33 | #include <media/v4l2-image-sizes.h> |
f877ed97 SJ |
34 | |
35 | #include "vs6624_regs.h" | |
36 | ||
f877ed97 SJ |
37 | #define MAX_FRAME_RATE 30 |
38 | ||
39 | struct vs6624 { | |
40 | struct v4l2_subdev sd; | |
41 | struct v4l2_ctrl_handler hdl; | |
42 | struct v4l2_fract frame_rate; | |
43 | struct v4l2_mbus_framefmt fmt; | |
44 | unsigned ce_pin; | |
45 | }; | |
46 | ||
47 | static const struct vs6624_format { | |
f5fe58fd | 48 | u32 mbus_code; |
f877ed97 SJ |
49 | enum v4l2_colorspace colorspace; |
50 | } vs6624_formats[] = { | |
51 | { | |
f5fe58fd | 52 | .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8, |
f877ed97 SJ |
53 | .colorspace = V4L2_COLORSPACE_JPEG, |
54 | }, | |
55 | { | |
f5fe58fd | 56 | .mbus_code = MEDIA_BUS_FMT_YUYV8_2X8, |
f877ed97 SJ |
57 | .colorspace = V4L2_COLORSPACE_JPEG, |
58 | }, | |
59 | { | |
f5fe58fd | 60 | .mbus_code = MEDIA_BUS_FMT_RGB565_2X8_LE, |
f877ed97 SJ |
61 | .colorspace = V4L2_COLORSPACE_SRGB, |
62 | }, | |
63 | }; | |
64 | ||
65 | static struct v4l2_mbus_framefmt vs6624_default_fmt = { | |
66 | .width = VGA_WIDTH, | |
67 | .height = VGA_HEIGHT, | |
f5fe58fd | 68 | .code = MEDIA_BUS_FMT_UYVY8_2X8, |
f877ed97 SJ |
69 | .field = V4L2_FIELD_NONE, |
70 | .colorspace = V4L2_COLORSPACE_JPEG, | |
71 | }; | |
72 | ||
73 | static const u16 vs6624_p1[] = { | |
74 | 0x8104, 0x03, | |
75 | 0x8105, 0x01, | |
76 | 0xc900, 0x03, | |
77 | 0xc904, 0x47, | |
78 | 0xc905, 0x10, | |
79 | 0xc906, 0x80, | |
80 | 0xc907, 0x3a, | |
81 | 0x903a, 0x02, | |
82 | 0x903b, 0x47, | |
83 | 0x903c, 0x15, | |
84 | 0xc908, 0x31, | |
85 | 0xc909, 0xdc, | |
86 | 0xc90a, 0x80, | |
87 | 0xc90b, 0x44, | |
88 | 0x9044, 0x02, | |
89 | 0x9045, 0x31, | |
90 | 0x9046, 0xe2, | |
91 | 0xc90c, 0x07, | |
92 | 0xc90d, 0xe0, | |
93 | 0xc90e, 0x80, | |
94 | 0xc90f, 0x47, | |
95 | 0x9047, 0x90, | |
96 | 0x9048, 0x83, | |
97 | 0x9049, 0x81, | |
98 | 0x904a, 0xe0, | |
99 | 0x904b, 0x60, | |
100 | 0x904c, 0x08, | |
101 | 0x904d, 0x90, | |
102 | 0x904e, 0xc0, | |
103 | 0x904f, 0x43, | |
104 | 0x9050, 0x74, | |
105 | 0x9051, 0x01, | |
106 | 0x9052, 0xf0, | |
107 | 0x9053, 0x80, | |
108 | 0x9054, 0x05, | |
109 | 0x9055, 0xE4, | |
110 | 0x9056, 0x90, | |
111 | 0x9057, 0xc0, | |
112 | 0x9058, 0x43, | |
113 | 0x9059, 0xf0, | |
114 | 0x905a, 0x02, | |
115 | 0x905b, 0x07, | |
116 | 0x905c, 0xec, | |
117 | 0xc910, 0x5d, | |
118 | 0xc911, 0xca, | |
119 | 0xc912, 0x80, | |
120 | 0xc913, 0x5d, | |
121 | 0x905d, 0xa3, | |
122 | 0x905e, 0x04, | |
123 | 0x905f, 0xf0, | |
124 | 0x9060, 0xa3, | |
125 | 0x9061, 0x04, | |
126 | 0x9062, 0xf0, | |
127 | 0x9063, 0x22, | |
128 | 0xc914, 0x72, | |
129 | 0xc915, 0x92, | |
130 | 0xc916, 0x80, | |
131 | 0xc917, 0x64, | |
132 | 0x9064, 0x74, | |
133 | 0x9065, 0x01, | |
134 | 0x9066, 0x02, | |
135 | 0x9067, 0x72, | |
136 | 0x9068, 0x95, | |
137 | 0xc918, 0x47, | |
138 | 0xc919, 0xf2, | |
139 | 0xc91a, 0x81, | |
140 | 0xc91b, 0x69, | |
141 | 0x9169, 0x74, | |
142 | 0x916a, 0x02, | |
143 | 0x916b, 0xf0, | |
144 | 0x916c, 0xec, | |
145 | 0x916d, 0xb4, | |
146 | 0x916e, 0x10, | |
147 | 0x916f, 0x0a, | |
148 | 0x9170, 0x90, | |
149 | 0x9171, 0x80, | |
150 | 0x9172, 0x16, | |
151 | 0x9173, 0xe0, | |
152 | 0x9174, 0x70, | |
153 | 0x9175, 0x04, | |
154 | 0x9176, 0x90, | |
155 | 0x9177, 0xd3, | |
156 | 0x9178, 0xc4, | |
157 | 0x9179, 0xf0, | |
158 | 0x917a, 0x22, | |
159 | 0xc91c, 0x0a, | |
160 | 0xc91d, 0xbe, | |
161 | 0xc91e, 0x80, | |
162 | 0xc91f, 0x73, | |
163 | 0x9073, 0xfc, | |
164 | 0x9074, 0xa3, | |
165 | 0x9075, 0xe0, | |
166 | 0x9076, 0xf5, | |
167 | 0x9077, 0x82, | |
168 | 0x9078, 0x8c, | |
169 | 0x9079, 0x83, | |
170 | 0x907a, 0xa3, | |
171 | 0x907b, 0xa3, | |
172 | 0x907c, 0xe0, | |
173 | 0x907d, 0xfc, | |
174 | 0x907e, 0xa3, | |
175 | 0x907f, 0xe0, | |
176 | 0x9080, 0xc3, | |
177 | 0x9081, 0x9f, | |
178 | 0x9082, 0xff, | |
179 | 0x9083, 0xec, | |
180 | 0x9084, 0x9e, | |
181 | 0x9085, 0xfe, | |
182 | 0x9086, 0x02, | |
183 | 0x9087, 0x0a, | |
184 | 0x9088, 0xea, | |
185 | 0xc920, 0x47, | |
186 | 0xc921, 0x38, | |
187 | 0xc922, 0x80, | |
188 | 0xc923, 0x89, | |
189 | 0x9089, 0xec, | |
190 | 0x908a, 0xd3, | |
191 | 0x908b, 0x94, | |
192 | 0x908c, 0x20, | |
193 | 0x908d, 0x40, | |
194 | 0x908e, 0x01, | |
195 | 0x908f, 0x1c, | |
196 | 0x9090, 0x90, | |
197 | 0x9091, 0xd3, | |
198 | 0x9092, 0xd4, | |
199 | 0x9093, 0xec, | |
200 | 0x9094, 0xf0, | |
201 | 0x9095, 0x02, | |
202 | 0x9096, 0x47, | |
203 | 0x9097, 0x3d, | |
204 | 0xc924, 0x45, | |
205 | 0xc925, 0xca, | |
206 | 0xc926, 0x80, | |
207 | 0xc927, 0x98, | |
208 | 0x9098, 0x12, | |
209 | 0x9099, 0x77, | |
210 | 0x909a, 0xd6, | |
211 | 0x909b, 0x02, | |
212 | 0x909c, 0x45, | |
213 | 0x909d, 0xcd, | |
214 | 0xc928, 0x20, | |
215 | 0xc929, 0xd5, | |
216 | 0xc92a, 0x80, | |
217 | 0xc92b, 0x9e, | |
218 | 0x909e, 0x90, | |
219 | 0x909f, 0x82, | |
220 | 0x90a0, 0x18, | |
221 | 0x90a1, 0xe0, | |
222 | 0x90a2, 0xb4, | |
223 | 0x90a3, 0x03, | |
224 | 0x90a4, 0x0e, | |
225 | 0x90a5, 0x90, | |
226 | 0x90a6, 0x83, | |
227 | 0x90a7, 0xbf, | |
228 | 0x90a8, 0xe0, | |
229 | 0x90a9, 0x60, | |
230 | 0x90aa, 0x08, | |
231 | 0x90ab, 0x90, | |
232 | 0x90ac, 0x81, | |
233 | 0x90ad, 0xfc, | |
234 | 0x90ae, 0xe0, | |
235 | 0x90af, 0xff, | |
236 | 0x90b0, 0xc3, | |
237 | 0x90b1, 0x13, | |
238 | 0x90b2, 0xf0, | |
239 | 0x90b3, 0x90, | |
240 | 0x90b4, 0x81, | |
241 | 0x90b5, 0xfc, | |
242 | 0x90b6, 0xe0, | |
243 | 0x90b7, 0xff, | |
244 | 0x90b8, 0x02, | |
245 | 0x90b9, 0x20, | |
246 | 0x90ba, 0xda, | |
247 | 0xc92c, 0x70, | |
248 | 0xc92d, 0xbc, | |
249 | 0xc92e, 0x80, | |
250 | 0xc92f, 0xbb, | |
251 | 0x90bb, 0x90, | |
252 | 0x90bc, 0x82, | |
253 | 0x90bd, 0x18, | |
254 | 0x90be, 0xe0, | |
255 | 0x90bf, 0xb4, | |
256 | 0x90c0, 0x03, | |
257 | 0x90c1, 0x06, | |
258 | 0x90c2, 0x90, | |
259 | 0x90c3, 0xc1, | |
260 | 0x90c4, 0x06, | |
261 | 0x90c5, 0x74, | |
262 | 0x90c6, 0x05, | |
263 | 0x90c7, 0xf0, | |
264 | 0x90c8, 0x90, | |
265 | 0x90c9, 0xd3, | |
266 | 0x90ca, 0xa0, | |
267 | 0x90cb, 0x02, | |
268 | 0x90cc, 0x70, | |
269 | 0x90cd, 0xbf, | |
270 | 0xc930, 0x72, | |
271 | 0xc931, 0x21, | |
272 | 0xc932, 0x81, | |
273 | 0xc933, 0x3b, | |
274 | 0x913b, 0x7d, | |
275 | 0x913c, 0x02, | |
276 | 0x913d, 0x7f, | |
277 | 0x913e, 0x7b, | |
278 | 0x913f, 0x02, | |
279 | 0x9140, 0x72, | |
280 | 0x9141, 0x25, | |
281 | 0xc934, 0x28, | |
282 | 0xc935, 0xae, | |
283 | 0xc936, 0x80, | |
284 | 0xc937, 0xd2, | |
285 | 0x90d2, 0xf0, | |
286 | 0x90d3, 0x90, | |
287 | 0x90d4, 0xd2, | |
288 | 0x90d5, 0x0a, | |
289 | 0x90d6, 0x02, | |
290 | 0x90d7, 0x28, | |
291 | 0x90d8, 0xb4, | |
292 | 0xc938, 0x28, | |
293 | 0xc939, 0xb1, | |
294 | 0xc93a, 0x80, | |
295 | 0xc93b, 0xd9, | |
296 | 0x90d9, 0x90, | |
297 | 0x90da, 0x83, | |
298 | 0x90db, 0xba, | |
299 | 0x90dc, 0xe0, | |
300 | 0x90dd, 0xff, | |
301 | 0x90de, 0x90, | |
302 | 0x90df, 0xd2, | |
303 | 0x90e0, 0x08, | |
304 | 0x90e1, 0xe0, | |
305 | 0x90e2, 0xe4, | |
306 | 0x90e3, 0xef, | |
307 | 0x90e4, 0xf0, | |
308 | 0x90e5, 0xa3, | |
309 | 0x90e6, 0xe0, | |
310 | 0x90e7, 0x74, | |
311 | 0x90e8, 0xff, | |
312 | 0x90e9, 0xf0, | |
313 | 0x90ea, 0x90, | |
314 | 0x90eb, 0xd2, | |
315 | 0x90ec, 0x0a, | |
316 | 0x90ed, 0x02, | |
317 | 0x90ee, 0x28, | |
318 | 0x90ef, 0xb4, | |
319 | 0xc93c, 0x29, | |
320 | 0xc93d, 0x79, | |
321 | 0xc93e, 0x80, | |
322 | 0xc93f, 0xf0, | |
323 | 0x90f0, 0xf0, | |
324 | 0x90f1, 0x90, | |
325 | 0x90f2, 0xd2, | |
326 | 0x90f3, 0x0e, | |
327 | 0x90f4, 0x02, | |
328 | 0x90f5, 0x29, | |
329 | 0x90f6, 0x7f, | |
330 | 0xc940, 0x29, | |
331 | 0xc941, 0x7c, | |
332 | 0xc942, 0x80, | |
333 | 0xc943, 0xf7, | |
334 | 0x90f7, 0x90, | |
335 | 0x90f8, 0x83, | |
336 | 0x90f9, 0xba, | |
337 | 0x90fa, 0xe0, | |
338 | 0x90fb, 0xff, | |
339 | 0x90fc, 0x90, | |
340 | 0x90fd, 0xd2, | |
341 | 0x90fe, 0x0c, | |
342 | 0x90ff, 0xe0, | |
343 | 0x9100, 0xe4, | |
344 | 0x9101, 0xef, | |
345 | 0x9102, 0xf0, | |
346 | 0x9103, 0xa3, | |
347 | 0x9104, 0xe0, | |
348 | 0x9105, 0x74, | |
349 | 0x9106, 0xff, | |
350 | 0x9107, 0xf0, | |
351 | 0x9108, 0x90, | |
352 | 0x9109, 0xd2, | |
353 | 0x910a, 0x0e, | |
354 | 0x910b, 0x02, | |
355 | 0x910c, 0x29, | |
356 | 0x910d, 0x7f, | |
357 | 0xc944, 0x2a, | |
358 | 0xc945, 0x42, | |
359 | 0xc946, 0x81, | |
360 | 0xc947, 0x0e, | |
361 | 0x910e, 0xf0, | |
362 | 0x910f, 0x90, | |
363 | 0x9110, 0xd2, | |
364 | 0x9111, 0x12, | |
365 | 0x9112, 0x02, | |
366 | 0x9113, 0x2a, | |
367 | 0x9114, 0x48, | |
368 | 0xc948, 0x2a, | |
369 | 0xc949, 0x45, | |
370 | 0xc94a, 0x81, | |
371 | 0xc94b, 0x15, | |
372 | 0x9115, 0x90, | |
373 | 0x9116, 0x83, | |
374 | 0x9117, 0xba, | |
375 | 0x9118, 0xe0, | |
376 | 0x9119, 0xff, | |
377 | 0x911a, 0x90, | |
378 | 0x911b, 0xd2, | |
379 | 0x911c, 0x10, | |
380 | 0x911d, 0xe0, | |
381 | 0x911e, 0xe4, | |
382 | 0x911f, 0xef, | |
383 | 0x9120, 0xf0, | |
384 | 0x9121, 0xa3, | |
385 | 0x9122, 0xe0, | |
386 | 0x9123, 0x74, | |
387 | 0x9124, 0xff, | |
388 | 0x9125, 0xf0, | |
389 | 0x9126, 0x90, | |
390 | 0x9127, 0xd2, | |
391 | 0x9128, 0x12, | |
392 | 0x9129, 0x02, | |
393 | 0x912a, 0x2a, | |
394 | 0x912b, 0x48, | |
395 | 0xc900, 0x01, | |
396 | 0x0000, 0x00, | |
397 | }; | |
398 | ||
399 | static const u16 vs6624_p2[] = { | |
400 | 0x806f, 0x01, | |
401 | 0x058c, 0x01, | |
402 | 0x0000, 0x00, | |
403 | }; | |
404 | ||
405 | static const u16 vs6624_run_setup[] = { | |
406 | 0x1d18, 0x00, /* Enableconstrainedwhitebalance */ | |
407 | VS6624_PEAK_MIN_OUT_G_MSB, 0x3c, /* Damper PeakGain Output MSB */ | |
408 | VS6624_PEAK_MIN_OUT_G_LSB, 0x66, /* Damper PeakGain Output LSB */ | |
409 | VS6624_CM_LOW_THR_MSB, 0x65, /* Damper Low MSB */ | |
410 | VS6624_CM_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ | |
411 | VS6624_CM_HIGH_THR_MSB, 0x66, /* Damper High MSB */ | |
412 | VS6624_CM_HIGH_THR_LSB, 0x62, /* Damper High LSB */ | |
413 | VS6624_CM_MIN_OUT_MSB, 0x00, /* Damper Min output MSB */ | |
414 | VS6624_CM_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ | |
415 | VS6624_NORA_DISABLE, 0x00, /* Nora fDisable */ | |
416 | VS6624_NORA_USAGE, 0x04, /* Nora usage */ | |
417 | VS6624_NORA_LOW_THR_MSB, 0x63, /* Damper Low MSB Changed 0x63 to 0x65 */ | |
418 | VS6624_NORA_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ | |
419 | VS6624_NORA_HIGH_THR_MSB, 0x68, /* Damper High MSB */ | |
420 | VS6624_NORA_HIGH_THR_LSB, 0xdd, /* Damper High LSB */ | |
421 | VS6624_NORA_MIN_OUT_MSB, 0x3a, /* Damper Min output MSB */ | |
422 | VS6624_NORA_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ | |
423 | VS6624_F2B_DISABLE, 0x00, /* Disable */ | |
424 | 0x1d8a, 0x30, /* MAXWeightHigh */ | |
425 | 0x1d91, 0x62, /* fpDamperLowThresholdHigh MSB */ | |
426 | 0x1d92, 0x4a, /* fpDamperLowThresholdHigh LSB */ | |
427 | 0x1d95, 0x65, /* fpDamperHighThresholdHigh MSB */ | |
428 | 0x1d96, 0x0e, /* fpDamperHighThresholdHigh LSB */ | |
429 | 0x1da1, 0x3a, /* fpMinimumDamperOutputLow MSB */ | |
430 | 0x1da2, 0xb8, /* fpMinimumDamperOutputLow LSB */ | |
431 | 0x1e08, 0x06, /* MAXWeightLow */ | |
432 | 0x1e0a, 0x0a, /* MAXWeightHigh */ | |
433 | 0x1601, 0x3a, /* Red A MSB */ | |
434 | 0x1602, 0x14, /* Red A LSB */ | |
435 | 0x1605, 0x3b, /* Blue A MSB */ | |
436 | 0x1606, 0x85, /* BLue A LSB */ | |
437 | 0x1609, 0x3b, /* RED B MSB */ | |
438 | 0x160a, 0x85, /* RED B LSB */ | |
439 | 0x160d, 0x3a, /* Blue B MSB */ | |
440 | 0x160e, 0x14, /* Blue B LSB */ | |
441 | 0x1611, 0x30, /* Max Distance from Locus MSB */ | |
442 | 0x1612, 0x8f, /* Max Distance from Locus MSB */ | |
443 | 0x1614, 0x01, /* Enable constrainer */ | |
444 | 0x0000, 0x00, | |
445 | }; | |
446 | ||
447 | static const u16 vs6624_default[] = { | |
448 | VS6624_CONTRAST0, 0x84, | |
449 | VS6624_SATURATION0, 0x75, | |
450 | VS6624_GAMMA0, 0x11, | |
451 | VS6624_CONTRAST1, 0x84, | |
452 | VS6624_SATURATION1, 0x75, | |
453 | VS6624_GAMMA1, 0x11, | |
454 | VS6624_MAN_RG, 0x80, | |
455 | VS6624_MAN_GG, 0x80, | |
456 | VS6624_MAN_BG, 0x80, | |
457 | VS6624_WB_MODE, 0x1, | |
458 | VS6624_EXPO_COMPENSATION, 0xfe, | |
459 | VS6624_EXPO_METER, 0x0, | |
460 | VS6624_LIGHT_FREQ, 0x64, | |
461 | VS6624_PEAK_GAIN, 0xe, | |
462 | VS6624_PEAK_LOW_THR, 0x28, | |
463 | VS6624_HMIRROR0, 0x0, | |
464 | VS6624_VFLIP0, 0x0, | |
465 | VS6624_ZOOM_HSTEP0_MSB, 0x0, | |
466 | VS6624_ZOOM_HSTEP0_LSB, 0x1, | |
467 | VS6624_ZOOM_VSTEP0_MSB, 0x0, | |
468 | VS6624_ZOOM_VSTEP0_LSB, 0x1, | |
469 | VS6624_PAN_HSTEP0_MSB, 0x0, | |
470 | VS6624_PAN_HSTEP0_LSB, 0xf, | |
471 | VS6624_PAN_VSTEP0_MSB, 0x0, | |
472 | VS6624_PAN_VSTEP0_LSB, 0xf, | |
473 | VS6624_SENSOR_MODE, 0x1, | |
474 | VS6624_SYNC_CODE_SETUP, 0x21, | |
475 | VS6624_DISABLE_FR_DAMPER, 0x0, | |
476 | VS6624_FR_DEN, 0x1, | |
477 | VS6624_FR_NUM_LSB, 0xf, | |
478 | VS6624_INIT_PIPE_SETUP, 0x0, | |
479 | VS6624_IMG_FMT0, 0x0, | |
480 | VS6624_YUV_SETUP, 0x1, | |
481 | VS6624_IMAGE_SIZE0, 0x2, | |
482 | 0x0000, 0x00, | |
483 | }; | |
484 | ||
485 | static inline struct vs6624 *to_vs6624(struct v4l2_subdev *sd) | |
486 | { | |
487 | return container_of(sd, struct vs6624, sd); | |
488 | } | |
489 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) | |
490 | { | |
491 | return &container_of(ctrl->handler, struct vs6624, hdl)->sd; | |
492 | } | |
493 | ||
7b2f25c0 | 494 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
f877ed97 SJ |
495 | static int vs6624_read(struct v4l2_subdev *sd, u16 index) |
496 | { | |
497 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
498 | u8 buf[2]; | |
499 | ||
500 | buf[0] = index >> 8; | |
501 | buf[1] = index; | |
502 | i2c_master_send(client, buf, 2); | |
503 | i2c_master_recv(client, buf, 1); | |
504 | ||
505 | return buf[0]; | |
506 | } | |
7b2f25c0 | 507 | #endif |
f877ed97 SJ |
508 | |
509 | static int vs6624_write(struct v4l2_subdev *sd, u16 index, | |
510 | u8 value) | |
511 | { | |
512 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
513 | u8 buf[3]; | |
514 | ||
515 | buf[0] = index >> 8; | |
516 | buf[1] = index; | |
517 | buf[2] = value; | |
518 | ||
519 | return i2c_master_send(client, buf, 3); | |
520 | } | |
521 | ||
522 | static int vs6624_writeregs(struct v4l2_subdev *sd, const u16 *regs) | |
523 | { | |
524 | u16 reg; | |
525 | u8 data; | |
526 | ||
527 | while (*regs != 0x00) { | |
528 | reg = *regs++; | |
529 | data = *regs++; | |
530 | ||
531 | vs6624_write(sd, reg, data); | |
532 | } | |
533 | return 0; | |
534 | } | |
535 | ||
536 | static int vs6624_s_ctrl(struct v4l2_ctrl *ctrl) | |
537 | { | |
538 | struct v4l2_subdev *sd = to_sd(ctrl); | |
539 | ||
540 | switch (ctrl->id) { | |
541 | case V4L2_CID_CONTRAST: | |
542 | vs6624_write(sd, VS6624_CONTRAST0, ctrl->val); | |
543 | break; | |
544 | case V4L2_CID_SATURATION: | |
545 | vs6624_write(sd, VS6624_SATURATION0, ctrl->val); | |
546 | break; | |
547 | case V4L2_CID_HFLIP: | |
548 | vs6624_write(sd, VS6624_HMIRROR0, ctrl->val); | |
549 | break; | |
550 | case V4L2_CID_VFLIP: | |
551 | vs6624_write(sd, VS6624_VFLIP0, ctrl->val); | |
552 | break; | |
553 | default: | |
554 | return -EINVAL; | |
555 | } | |
556 | ||
557 | return 0; | |
558 | } | |
559 | ||
ebcff5fc HV |
560 | static int vs6624_enum_mbus_code(struct v4l2_subdev *sd, |
561 | struct v4l2_subdev_pad_config *cfg, | |
562 | struct v4l2_subdev_mbus_code_enum *code) | |
f877ed97 | 563 | { |
ebcff5fc | 564 | if (code->pad || code->index >= ARRAY_SIZE(vs6624_formats)) |
f877ed97 SJ |
565 | return -EINVAL; |
566 | ||
ebcff5fc | 567 | code->code = vs6624_formats[code->index].mbus_code; |
f877ed97 SJ |
568 | return 0; |
569 | } | |
570 | ||
717fd5b4 HV |
571 | static int vs6624_set_fmt(struct v4l2_subdev *sd, |
572 | struct v4l2_subdev_pad_config *cfg, | |
573 | struct v4l2_subdev_format *format) | |
f877ed97 | 574 | { |
717fd5b4 HV |
575 | struct v4l2_mbus_framefmt *fmt = &format->format; |
576 | struct vs6624 *sensor = to_vs6624(sd); | |
f877ed97 SJ |
577 | int index; |
578 | ||
717fd5b4 HV |
579 | if (format->pad) |
580 | return -EINVAL; | |
581 | ||
f877ed97 SJ |
582 | for (index = 0; index < ARRAY_SIZE(vs6624_formats); index++) |
583 | if (vs6624_formats[index].mbus_code == fmt->code) | |
584 | break; | |
585 | if (index >= ARRAY_SIZE(vs6624_formats)) { | |
586 | /* default to first format */ | |
587 | index = 0; | |
588 | fmt->code = vs6624_formats[0].mbus_code; | |
589 | } | |
590 | ||
591 | /* sensor mode is VGA */ | |
592 | if (fmt->width > VGA_WIDTH) | |
593 | fmt->width = VGA_WIDTH; | |
594 | if (fmt->height > VGA_HEIGHT) | |
595 | fmt->height = VGA_HEIGHT; | |
596 | fmt->width = fmt->width & (~3); | |
597 | fmt->height = fmt->height & (~3); | |
598 | fmt->field = V4L2_FIELD_NONE; | |
599 | fmt->colorspace = vs6624_formats[index].colorspace; | |
f877ed97 | 600 | |
717fd5b4 HV |
601 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
602 | cfg->try_fmt = *fmt; | |
603 | return 0; | |
604 | } | |
f877ed97 SJ |
605 | |
606 | /* set image format */ | |
607 | switch (fmt->code) { | |
f5fe58fd | 608 | case MEDIA_BUS_FMT_UYVY8_2X8: |
f877ed97 SJ |
609 | vs6624_write(sd, VS6624_IMG_FMT0, 0x0); |
610 | vs6624_write(sd, VS6624_YUV_SETUP, 0x1); | |
611 | break; | |
f5fe58fd | 612 | case MEDIA_BUS_FMT_YUYV8_2X8: |
f877ed97 SJ |
613 | vs6624_write(sd, VS6624_IMG_FMT0, 0x0); |
614 | vs6624_write(sd, VS6624_YUV_SETUP, 0x3); | |
615 | break; | |
f5fe58fd | 616 | case MEDIA_BUS_FMT_RGB565_2X8_LE: |
f877ed97 SJ |
617 | vs6624_write(sd, VS6624_IMG_FMT0, 0x4); |
618 | vs6624_write(sd, VS6624_RGB_SETUP, 0x0); | |
619 | break; | |
620 | default: | |
621 | return -EINVAL; | |
622 | } | |
623 | ||
624 | /* set image size */ | |
625 | if ((fmt->width == VGA_WIDTH) && (fmt->height == VGA_HEIGHT)) | |
626 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x2); | |
627 | else if ((fmt->width == QVGA_WIDTH) && (fmt->height == QVGA_HEIGHT)) | |
628 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x4); | |
629 | else if ((fmt->width == QQVGA_WIDTH) && (fmt->height == QQVGA_HEIGHT)) | |
630 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x6); | |
631 | else if ((fmt->width == CIF_WIDTH) && (fmt->height == CIF_HEIGHT)) | |
632 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x3); | |
633 | else if ((fmt->width == QCIF_WIDTH) && (fmt->height == QCIF_HEIGHT)) | |
634 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x5); | |
635 | else if ((fmt->width == QQCIF_WIDTH) && (fmt->height == QQCIF_HEIGHT)) | |
636 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x7); | |
637 | else { | |
638 | vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x8); | |
639 | vs6624_write(sd, VS6624_MAN_HSIZE0_MSB, fmt->width >> 8); | |
640 | vs6624_write(sd, VS6624_MAN_HSIZE0_LSB, fmt->width & 0xFF); | |
641 | vs6624_write(sd, VS6624_MAN_VSIZE0_MSB, fmt->height >> 8); | |
642 | vs6624_write(sd, VS6624_MAN_VSIZE0_LSB, fmt->height & 0xFF); | |
643 | vs6624_write(sd, VS6624_CROP_CTRL0, 0x1); | |
644 | } | |
645 | ||
646 | sensor->fmt = *fmt; | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
da298c6d HV |
651 | static int vs6624_get_fmt(struct v4l2_subdev *sd, |
652 | struct v4l2_subdev_pad_config *cfg, | |
653 | struct v4l2_subdev_format *format) | |
f877ed97 SJ |
654 | { |
655 | struct vs6624 *sensor = to_vs6624(sd); | |
656 | ||
da298c6d HV |
657 | if (format->pad) |
658 | return -EINVAL; | |
659 | ||
660 | format->format = sensor->fmt; | |
f877ed97 SJ |
661 | return 0; |
662 | } | |
663 | ||
664 | static int vs6624_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) | |
665 | { | |
666 | struct vs6624 *sensor = to_vs6624(sd); | |
667 | struct v4l2_captureparm *cp = &parms->parm.capture; | |
668 | ||
669 | if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
670 | return -EINVAL; | |
671 | ||
672 | memset(cp, 0, sizeof(*cp)); | |
673 | cp->capability = V4L2_CAP_TIMEPERFRAME; | |
674 | cp->timeperframe.numerator = sensor->frame_rate.denominator; | |
675 | cp->timeperframe.denominator = sensor->frame_rate.numerator; | |
676 | return 0; | |
677 | } | |
678 | ||
679 | static int vs6624_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) | |
680 | { | |
681 | struct vs6624 *sensor = to_vs6624(sd); | |
682 | struct v4l2_captureparm *cp = &parms->parm.capture; | |
683 | struct v4l2_fract *tpf = &cp->timeperframe; | |
684 | ||
685 | if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
686 | return -EINVAL; | |
687 | if (cp->extendedmode != 0) | |
688 | return -EINVAL; | |
689 | ||
690 | if (tpf->numerator == 0 || tpf->denominator == 0 | |
691 | || (tpf->denominator > tpf->numerator * MAX_FRAME_RATE)) { | |
692 | /* reset to max frame rate */ | |
693 | tpf->numerator = 1; | |
694 | tpf->denominator = MAX_FRAME_RATE; | |
695 | } | |
696 | sensor->frame_rate.numerator = tpf->denominator; | |
697 | sensor->frame_rate.denominator = tpf->numerator; | |
698 | vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); | |
699 | vs6624_write(sd, VS6624_FR_NUM_MSB, | |
700 | sensor->frame_rate.numerator >> 8); | |
701 | vs6624_write(sd, VS6624_FR_NUM_LSB, | |
702 | sensor->frame_rate.numerator & 0xFF); | |
703 | vs6624_write(sd, VS6624_FR_DEN, | |
704 | sensor->frame_rate.denominator & 0xFF); | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static int vs6624_s_stream(struct v4l2_subdev *sd, int enable) | |
709 | { | |
710 | if (enable) | |
711 | vs6624_write(sd, VS6624_USER_CMD, 0x2); | |
712 | else | |
713 | vs6624_write(sd, VS6624_USER_CMD, 0x4); | |
714 | udelay(100); | |
715 | return 0; | |
716 | } | |
717 | ||
f877ed97 SJ |
718 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
719 | static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) | |
720 | { | |
f877ed97 SJ |
721 | reg->val = vs6624_read(sd, reg->reg & 0xffff); |
722 | reg->size = 1; | |
723 | return 0; | |
724 | } | |
725 | ||
977ba3b1 | 726 | static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) |
f877ed97 | 727 | { |
f877ed97 SJ |
728 | vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff); |
729 | return 0; | |
730 | } | |
731 | #endif | |
732 | ||
733 | static const struct v4l2_ctrl_ops vs6624_ctrl_ops = { | |
734 | .s_ctrl = vs6624_s_ctrl, | |
735 | }; | |
736 | ||
737 | static const struct v4l2_subdev_core_ops vs6624_core_ops = { | |
f877ed97 SJ |
738 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
739 | .g_register = vs6624_g_register, | |
740 | .s_register = vs6624_s_register, | |
741 | #endif | |
742 | }; | |
743 | ||
744 | static const struct v4l2_subdev_video_ops vs6624_video_ops = { | |
f877ed97 SJ |
745 | .s_parm = vs6624_s_parm, |
746 | .g_parm = vs6624_g_parm, | |
747 | .s_stream = vs6624_s_stream, | |
748 | }; | |
749 | ||
ebcff5fc HV |
750 | static const struct v4l2_subdev_pad_ops vs6624_pad_ops = { |
751 | .enum_mbus_code = vs6624_enum_mbus_code, | |
da298c6d | 752 | .get_fmt = vs6624_get_fmt, |
717fd5b4 | 753 | .set_fmt = vs6624_set_fmt, |
ebcff5fc HV |
754 | }; |
755 | ||
f877ed97 SJ |
756 | static const struct v4l2_subdev_ops vs6624_ops = { |
757 | .core = &vs6624_core_ops, | |
758 | .video = &vs6624_video_ops, | |
ebcff5fc | 759 | .pad = &vs6624_pad_ops, |
f877ed97 SJ |
760 | }; |
761 | ||
4c62e976 | 762 | static int vs6624_probe(struct i2c_client *client, |
f877ed97 SJ |
763 | const struct i2c_device_id *id) |
764 | { | |
765 | struct vs6624 *sensor; | |
766 | struct v4l2_subdev *sd; | |
767 | struct v4l2_ctrl_handler *hdl; | |
768 | const unsigned *ce; | |
769 | int ret; | |
770 | ||
771 | /* Check if the adapter supports the needed features */ | |
772 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) | |
773 | return -EIO; | |
774 | ||
775 | ce = client->dev.platform_data; | |
776 | if (ce == NULL) | |
777 | return -EINVAL; | |
778 | ||
b015ba29 LP |
779 | ret = devm_gpio_request_one(&client->dev, *ce, GPIOF_OUT_INIT_HIGH, |
780 | "VS6624 Chip Enable"); | |
f877ed97 SJ |
781 | if (ret) { |
782 | v4l_err(client, "failed to request GPIO %d\n", *ce); | |
783 | return ret; | |
784 | } | |
f877ed97 SJ |
785 | /* wait 100ms before any further i2c writes are performed */ |
786 | mdelay(100); | |
787 | ||
c02b211d LP |
788 | sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL); |
789 | if (sensor == NULL) | |
f877ed97 | 790 | return -ENOMEM; |
f877ed97 SJ |
791 | |
792 | sd = &sensor->sd; | |
793 | v4l2_i2c_subdev_init(sd, client, &vs6624_ops); | |
794 | ||
795 | vs6624_writeregs(sd, vs6624_p1); | |
796 | vs6624_write(sd, VS6624_MICRO_EN, 0x2); | |
797 | vs6624_write(sd, VS6624_DIO_EN, 0x1); | |
798 | mdelay(10); | |
799 | vs6624_writeregs(sd, vs6624_p2); | |
800 | ||
801 | vs6624_writeregs(sd, vs6624_default); | |
802 | vs6624_write(sd, VS6624_HSYNC_SETUP, 0xF); | |
803 | vs6624_writeregs(sd, vs6624_run_setup); | |
804 | ||
805 | /* set frame rate */ | |
806 | sensor->frame_rate.numerator = MAX_FRAME_RATE; | |
807 | sensor->frame_rate.denominator = 1; | |
808 | vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); | |
809 | vs6624_write(sd, VS6624_FR_NUM_MSB, | |
810 | sensor->frame_rate.numerator >> 8); | |
811 | vs6624_write(sd, VS6624_FR_NUM_LSB, | |
812 | sensor->frame_rate.numerator & 0xFF); | |
813 | vs6624_write(sd, VS6624_FR_DEN, | |
814 | sensor->frame_rate.denominator & 0xFF); | |
815 | ||
816 | sensor->fmt = vs6624_default_fmt; | |
817 | sensor->ce_pin = *ce; | |
818 | ||
819 | v4l_info(client, "chip found @ 0x%02x (%s)\n", | |
820 | client->addr << 1, client->adapter->name); | |
821 | ||
822 | hdl = &sensor->hdl; | |
823 | v4l2_ctrl_handler_init(hdl, 4); | |
824 | v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, | |
825 | V4L2_CID_CONTRAST, 0, 0xFF, 1, 0x87); | |
826 | v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, | |
827 | V4L2_CID_SATURATION, 0, 0xFF, 1, 0x78); | |
828 | v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, | |
829 | V4L2_CID_HFLIP, 0, 1, 1, 0); | |
830 | v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, | |
831 | V4L2_CID_VFLIP, 0, 1, 1, 0); | |
832 | /* hook the control handler into the driver */ | |
833 | sd->ctrl_handler = hdl; | |
834 | if (hdl->error) { | |
835 | int err = hdl->error; | |
836 | ||
837 | v4l2_ctrl_handler_free(hdl); | |
f877ed97 SJ |
838 | return err; |
839 | } | |
840 | ||
841 | /* initialize the hardware to the default control values */ | |
842 | ret = v4l2_ctrl_handler_setup(hdl); | |
b015ba29 | 843 | if (ret) |
f877ed97 | 844 | v4l2_ctrl_handler_free(hdl); |
f877ed97 SJ |
845 | return ret; |
846 | } | |
847 | ||
4c62e976 | 848 | static int vs6624_remove(struct i2c_client *client) |
f877ed97 SJ |
849 | { |
850 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
f877ed97 SJ |
851 | |
852 | v4l2_device_unregister_subdev(sd); | |
853 | v4l2_ctrl_handler_free(sd->ctrl_handler); | |
f877ed97 SJ |
854 | return 0; |
855 | } | |
856 | ||
857 | static const struct i2c_device_id vs6624_id[] = { | |
858 | {"vs6624", 0}, | |
859 | {}, | |
860 | }; | |
861 | ||
862 | MODULE_DEVICE_TABLE(i2c, vs6624_id); | |
863 | ||
864 | static struct i2c_driver vs6624_driver = { | |
865 | .driver = { | |
f877ed97 SJ |
866 | .name = "vs6624", |
867 | }, | |
868 | .probe = vs6624_probe, | |
4c62e976 | 869 | .remove = vs6624_remove, |
f877ed97 SJ |
870 | .id_table = vs6624_id, |
871 | }; | |
872 | ||
9ac15104 | 873 | module_i2c_driver(vs6624_driver); |
f877ed97 SJ |
874 | |
875 | MODULE_DESCRIPTION("VS6624 sensor driver"); | |
876 | MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); | |
877 | MODULE_LICENSE("GPL v2"); |