diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/media/video/rj54n1cb0c.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'drivers/media/video/rj54n1cb0c.c')
-rw-r--r-- | drivers/media/video/rj54n1cb0c.c | 1497 |
1 files changed, 1497 insertions, 0 deletions
diff --git a/drivers/media/video/rj54n1cb0c.c b/drivers/media/video/rj54n1cb0c.c new file mode 100644 index 00000000000..847ccc067e8 --- /dev/null +++ b/drivers/media/video/rj54n1cb0c.c | |||
@@ -0,0 +1,1497 @@ | |||
1 | /* | ||
2 | * Driver for RJ54N1CB0C CMOS Image Sensor from Sharp | ||
3 | * | ||
4 | * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de> | ||
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 | |||
11 | #include <linux/delay.h> | ||
12 | #include <linux/i2c.h> | ||
13 | #include <linux/slab.h> | ||
14 | #include <linux/videodev2.h> | ||
15 | |||
16 | #include <media/rj54n1cb0c.h> | ||
17 | #include <media/soc_camera.h> | ||
18 | #include <media/soc_mediabus.h> | ||
19 | #include <media/v4l2-subdev.h> | ||
20 | #include <media/v4l2-chip-ident.h> | ||
21 | |||
22 | #define RJ54N1_DEV_CODE 0x0400 | ||
23 | #define RJ54N1_DEV_CODE2 0x0401 | ||
24 | #define RJ54N1_OUT_SEL 0x0403 | ||
25 | #define RJ54N1_XY_OUTPUT_SIZE_S_H 0x0404 | ||
26 | #define RJ54N1_X_OUTPUT_SIZE_S_L 0x0405 | ||
27 | #define RJ54N1_Y_OUTPUT_SIZE_S_L 0x0406 | ||
28 | #define RJ54N1_XY_OUTPUT_SIZE_P_H 0x0407 | ||
29 | #define RJ54N1_X_OUTPUT_SIZE_P_L 0x0408 | ||
30 | #define RJ54N1_Y_OUTPUT_SIZE_P_L 0x0409 | ||
31 | #define RJ54N1_LINE_LENGTH_PCK_S_H 0x040a | ||
32 | #define RJ54N1_LINE_LENGTH_PCK_S_L 0x040b | ||
33 | #define RJ54N1_LINE_LENGTH_PCK_P_H 0x040c | ||
34 | #define RJ54N1_LINE_LENGTH_PCK_P_L 0x040d | ||
35 | #define RJ54N1_RESIZE_N 0x040e | ||
36 | #define RJ54N1_RESIZE_N_STEP 0x040f | ||
37 | #define RJ54N1_RESIZE_STEP 0x0410 | ||
38 | #define RJ54N1_RESIZE_HOLD_H 0x0411 | ||
39 | #define RJ54N1_RESIZE_HOLD_L 0x0412 | ||
40 | #define RJ54N1_H_OBEN_OFS 0x0413 | ||
41 | #define RJ54N1_V_OBEN_OFS 0x0414 | ||
42 | #define RJ54N1_RESIZE_CONTROL 0x0415 | ||
43 | #define RJ54N1_STILL_CONTROL 0x0417 | ||
44 | #define RJ54N1_INC_USE_SEL_H 0x0425 | ||
45 | #define RJ54N1_INC_USE_SEL_L 0x0426 | ||
46 | #define RJ54N1_MIRROR_STILL_MODE 0x0427 | ||
47 | #define RJ54N1_INIT_START 0x0428 | ||
48 | #define RJ54N1_SCALE_1_2_LEV 0x0429 | ||
49 | #define RJ54N1_SCALE_4_LEV 0x042a | ||
50 | #define RJ54N1_Y_GAIN 0x04d8 | ||
51 | #define RJ54N1_APT_GAIN_UP 0x04fa | ||
52 | #define RJ54N1_RA_SEL_UL 0x0530 | ||
53 | #define RJ54N1_BYTE_SWAP 0x0531 | ||
54 | #define RJ54N1_OUT_SIGPO 0x053b | ||
55 | #define RJ54N1_WB_SEL_WEIGHT_I 0x054e | ||
56 | #define RJ54N1_BIT8_WB 0x0569 | ||
57 | #define RJ54N1_HCAPS_WB 0x056a | ||
58 | #define RJ54N1_VCAPS_WB 0x056b | ||
59 | #define RJ54N1_HCAPE_WB 0x056c | ||
60 | #define RJ54N1_VCAPE_WB 0x056d | ||
61 | #define RJ54N1_EXPOSURE_CONTROL 0x058c | ||
62 | #define RJ54N1_FRAME_LENGTH_S_H 0x0595 | ||
63 | #define RJ54N1_FRAME_LENGTH_S_L 0x0596 | ||
64 | #define RJ54N1_FRAME_LENGTH_P_H 0x0597 | ||
65 | #define RJ54N1_FRAME_LENGTH_P_L 0x0598 | ||
66 | #define RJ54N1_PEAK_H 0x05b7 | ||
67 | #define RJ54N1_PEAK_50 0x05b8 | ||
68 | #define RJ54N1_PEAK_60 0x05b9 | ||
69 | #define RJ54N1_PEAK_DIFF 0x05ba | ||
70 | #define RJ54N1_IOC 0x05ef | ||
71 | #define RJ54N1_TG_BYPASS 0x0700 | ||
72 | #define RJ54N1_PLL_L 0x0701 | ||
73 | #define RJ54N1_PLL_N 0x0702 | ||
74 | #define RJ54N1_PLL_EN 0x0704 | ||
75 | #define RJ54N1_RATIO_TG 0x0706 | ||
76 | #define RJ54N1_RATIO_T 0x0707 | ||
77 | #define RJ54N1_RATIO_R 0x0708 | ||
78 | #define RJ54N1_RAMP_TGCLK_EN 0x0709 | ||
79 | #define RJ54N1_OCLK_DSP 0x0710 | ||
80 | #define RJ54N1_RATIO_OP 0x0711 | ||
81 | #define RJ54N1_RATIO_O 0x0712 | ||
82 | #define RJ54N1_OCLK_SEL_EN 0x0713 | ||
83 | #define RJ54N1_CLK_RST 0x0717 | ||
84 | #define RJ54N1_RESET_STANDBY 0x0718 | ||
85 | #define RJ54N1_FWFLG 0x07fe | ||
86 | |||
87 | #define E_EXCLK (1 << 7) | ||
88 | #define SOFT_STDBY (1 << 4) | ||
89 | #define SEN_RSTX (1 << 2) | ||
90 | #define TG_RSTX (1 << 1) | ||
91 | #define DSP_RSTX (1 << 0) | ||
92 | |||
93 | #define RESIZE_HOLD_SEL (1 << 2) | ||
94 | #define RESIZE_GO (1 << 1) | ||
95 | |||
96 | /* | ||
97 | * When cropping, the camera automatically centers the cropped region, there | ||
98 | * doesn't seem to be a way to specify an explicit location of the rectangle. | ||
99 | */ | ||
100 | #define RJ54N1_COLUMN_SKIP 0 | ||
101 | #define RJ54N1_ROW_SKIP 0 | ||
102 | #define RJ54N1_MAX_WIDTH 1600 | ||
103 | #define RJ54N1_MAX_HEIGHT 1200 | ||
104 | |||
105 | #define PLL_L 2 | ||
106 | #define PLL_N 0x31 | ||
107 | |||
108 | /* I2C addresses: 0x50, 0x51, 0x60, 0x61 */ | ||
109 | |||
110 | /* RJ54N1CB0C has only one fixed colorspace per pixelcode */ | ||
111 | struct rj54n1_datafmt { | ||
112 | enum v4l2_mbus_pixelcode code; | ||
113 | enum v4l2_colorspace colorspace; | ||
114 | }; | ||
115 | |||
116 | /* Find a data format by a pixel code in an array */ | ||
117 | static const struct rj54n1_datafmt *rj54n1_find_datafmt( | ||
118 | enum v4l2_mbus_pixelcode code, const struct rj54n1_datafmt *fmt, | ||
119 | int n) | ||
120 | { | ||
121 | int i; | ||
122 | for (i = 0; i < n; i++) | ||
123 | if (fmt[i].code == code) | ||
124 | return fmt + i; | ||
125 | |||
126 | return NULL; | ||
127 | } | ||
128 | |||
129 | static const struct rj54n1_datafmt rj54n1_colour_fmts[] = { | ||
130 | {V4L2_MBUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG}, | ||
131 | {V4L2_MBUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG}, | ||
132 | {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, | ||
133 | {V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB}, | ||
134 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, | ||
135 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE, V4L2_COLORSPACE_SRGB}, | ||
136 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB}, | ||
137 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE, V4L2_COLORSPACE_SRGB}, | ||
138 | {V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_COLORSPACE_SRGB}, | ||
139 | }; | ||
140 | |||
141 | struct rj54n1_clock_div { | ||
142 | u8 ratio_tg; /* can be 0 or an odd number */ | ||
143 | u8 ratio_t; | ||
144 | u8 ratio_r; | ||
145 | u8 ratio_op; | ||
146 | u8 ratio_o; | ||
147 | }; | ||
148 | |||
149 | struct rj54n1 { | ||
150 | struct v4l2_subdev subdev; | ||
151 | struct rj54n1_clock_div clk_div; | ||
152 | const struct rj54n1_datafmt *fmt; | ||
153 | struct v4l2_rect rect; /* Sensor window */ | ||
154 | unsigned int tgclk_mhz; | ||
155 | bool auto_wb; | ||
156 | unsigned short width; /* Output window */ | ||
157 | unsigned short height; | ||
158 | unsigned short resize; /* Sensor * 1024 / resize = Output */ | ||
159 | unsigned short scale; | ||
160 | u8 bank; | ||
161 | }; | ||
162 | |||
163 | struct rj54n1_reg_val { | ||
164 | u16 reg; | ||
165 | u8 val; | ||
166 | }; | ||
167 | |||
168 | static const struct rj54n1_reg_val bank_4[] = { | ||
169 | {0x417, 0}, | ||
170 | {0x42c, 0}, | ||
171 | {0x42d, 0xf0}, | ||
172 | {0x42e, 0}, | ||
173 | {0x42f, 0x50}, | ||
174 | {0x430, 0xf5}, | ||
175 | {0x431, 0x16}, | ||
176 | {0x432, 0x20}, | ||
177 | {0x433, 0}, | ||
178 | {0x434, 0xc8}, | ||
179 | {0x43c, 8}, | ||
180 | {0x43e, 0x90}, | ||
181 | {0x445, 0x83}, | ||
182 | {0x4ba, 0x58}, | ||
183 | {0x4bb, 4}, | ||
184 | {0x4bc, 0x20}, | ||
185 | {0x4db, 4}, | ||
186 | {0x4fe, 2}, | ||
187 | }; | ||
188 | |||
189 | static const struct rj54n1_reg_val bank_5[] = { | ||
190 | {0x514, 0}, | ||
191 | {0x516, 0}, | ||
192 | {0x518, 0}, | ||
193 | {0x51a, 0}, | ||
194 | {0x51d, 0xff}, | ||
195 | {0x56f, 0x28}, | ||
196 | {0x575, 0x40}, | ||
197 | {0x5bc, 0x48}, | ||
198 | {0x5c1, 6}, | ||
199 | {0x5e5, 0x11}, | ||
200 | {0x5e6, 0x43}, | ||
201 | {0x5e7, 0x33}, | ||
202 | {0x5e8, 0x21}, | ||
203 | {0x5e9, 0x30}, | ||
204 | {0x5ea, 0x0}, | ||
205 | {0x5eb, 0xa5}, | ||
206 | {0x5ec, 0xff}, | ||
207 | {0x5fe, 2}, | ||
208 | }; | ||
209 | |||
210 | static const struct rj54n1_reg_val bank_7[] = { | ||
211 | {0x70a, 0}, | ||
212 | {0x714, 0xff}, | ||
213 | {0x715, 0xff}, | ||
214 | {0x716, 0x1f}, | ||
215 | {0x7FE, 2}, | ||
216 | }; | ||
217 | |||
218 | static const struct rj54n1_reg_val bank_8[] = { | ||
219 | {0x800, 0x00}, | ||
220 | {0x801, 0x01}, | ||
221 | {0x802, 0x61}, | ||
222 | {0x805, 0x00}, | ||
223 | {0x806, 0x00}, | ||
224 | {0x807, 0x00}, | ||
225 | {0x808, 0x00}, | ||
226 | {0x809, 0x01}, | ||
227 | {0x80A, 0x61}, | ||
228 | {0x80B, 0x00}, | ||
229 | {0x80C, 0x01}, | ||
230 | {0x80D, 0x00}, | ||
231 | {0x80E, 0x00}, | ||
232 | {0x80F, 0x00}, | ||
233 | {0x810, 0x00}, | ||
234 | {0x811, 0x01}, | ||
235 | {0x812, 0x61}, | ||
236 | {0x813, 0x00}, | ||
237 | {0x814, 0x11}, | ||
238 | {0x815, 0x00}, | ||
239 | {0x816, 0x41}, | ||
240 | {0x817, 0x00}, | ||
241 | {0x818, 0x51}, | ||
242 | {0x819, 0x01}, | ||
243 | {0x81A, 0x1F}, | ||
244 | {0x81B, 0x00}, | ||
245 | {0x81C, 0x01}, | ||
246 | {0x81D, 0x00}, | ||
247 | {0x81E, 0x11}, | ||
248 | {0x81F, 0x00}, | ||
249 | {0x820, 0x41}, | ||
250 | {0x821, 0x00}, | ||
251 | {0x822, 0x51}, | ||
252 | {0x823, 0x00}, | ||
253 | {0x824, 0x00}, | ||
254 | {0x825, 0x00}, | ||
255 | {0x826, 0x47}, | ||
256 | {0x827, 0x01}, | ||
257 | {0x828, 0x4F}, | ||
258 | {0x829, 0x00}, | ||
259 | {0x82A, 0x00}, | ||
260 | {0x82B, 0x00}, | ||
261 | {0x82C, 0x30}, | ||
262 | {0x82D, 0x00}, | ||
263 | {0x82E, 0x40}, | ||
264 | {0x82F, 0x00}, | ||
265 | {0x830, 0xB3}, | ||
266 | {0x831, 0x00}, | ||
267 | {0x832, 0xE3}, | ||
268 | {0x833, 0x00}, | ||
269 | {0x834, 0x00}, | ||
270 | {0x835, 0x00}, | ||
271 | {0x836, 0x00}, | ||
272 | {0x837, 0x00}, | ||
273 | {0x838, 0x00}, | ||
274 | {0x839, 0x01}, | ||
275 | {0x83A, 0x61}, | ||
276 | {0x83B, 0x00}, | ||
277 | {0x83C, 0x01}, | ||
278 | {0x83D, 0x00}, | ||
279 | {0x83E, 0x00}, | ||
280 | {0x83F, 0x00}, | ||
281 | {0x840, 0x00}, | ||
282 | {0x841, 0x01}, | ||
283 | {0x842, 0x61}, | ||
284 | {0x843, 0x00}, | ||
285 | {0x844, 0x1D}, | ||
286 | {0x845, 0x00}, | ||
287 | {0x846, 0x00}, | ||
288 | {0x847, 0x00}, | ||
289 | {0x848, 0x00}, | ||
290 | {0x849, 0x01}, | ||
291 | {0x84A, 0x1F}, | ||
292 | {0x84B, 0x00}, | ||
293 | {0x84C, 0x05}, | ||
294 | {0x84D, 0x00}, | ||
295 | {0x84E, 0x19}, | ||
296 | {0x84F, 0x01}, | ||
297 | {0x850, 0x21}, | ||
298 | {0x851, 0x01}, | ||
299 | {0x852, 0x5D}, | ||
300 | {0x853, 0x00}, | ||
301 | {0x854, 0x00}, | ||
302 | {0x855, 0x00}, | ||
303 | {0x856, 0x19}, | ||
304 | {0x857, 0x01}, | ||
305 | {0x858, 0x21}, | ||
306 | {0x859, 0x00}, | ||
307 | {0x85A, 0x00}, | ||
308 | {0x85B, 0x00}, | ||
309 | {0x85C, 0x00}, | ||
310 | {0x85D, 0x00}, | ||
311 | {0x85E, 0x00}, | ||
312 | {0x85F, 0x00}, | ||
313 | {0x860, 0xB3}, | ||
314 | {0x861, 0x00}, | ||
315 | {0x862, 0xE3}, | ||
316 | {0x863, 0x00}, | ||
317 | {0x864, 0x00}, | ||
318 | {0x865, 0x00}, | ||
319 | {0x866, 0x00}, | ||
320 | {0x867, 0x00}, | ||
321 | {0x868, 0x00}, | ||
322 | {0x869, 0xE2}, | ||
323 | {0x86A, 0x00}, | ||
324 | {0x86B, 0x01}, | ||
325 | {0x86C, 0x06}, | ||
326 | {0x86D, 0x00}, | ||
327 | {0x86E, 0x00}, | ||
328 | {0x86F, 0x00}, | ||
329 | {0x870, 0x60}, | ||
330 | {0x871, 0x8C}, | ||
331 | {0x872, 0x10}, | ||
332 | {0x873, 0x00}, | ||
333 | {0x874, 0xE0}, | ||
334 | {0x875, 0x00}, | ||
335 | {0x876, 0x27}, | ||
336 | {0x877, 0x01}, | ||
337 | {0x878, 0x00}, | ||
338 | {0x879, 0x00}, | ||
339 | {0x87A, 0x00}, | ||
340 | {0x87B, 0x03}, | ||
341 | {0x87C, 0x00}, | ||
342 | {0x87D, 0x00}, | ||
343 | {0x87E, 0x00}, | ||
344 | {0x87F, 0x00}, | ||
345 | {0x880, 0x00}, | ||
346 | {0x881, 0x00}, | ||
347 | {0x882, 0x00}, | ||
348 | {0x883, 0x00}, | ||
349 | {0x884, 0x00}, | ||
350 | {0x885, 0x00}, | ||
351 | {0x886, 0xF8}, | ||
352 | {0x887, 0x00}, | ||
353 | {0x888, 0x03}, | ||
354 | {0x889, 0x00}, | ||
355 | {0x88A, 0x64}, | ||
356 | {0x88B, 0x00}, | ||
357 | {0x88C, 0x03}, | ||
358 | {0x88D, 0x00}, | ||
359 | {0x88E, 0xB1}, | ||
360 | {0x88F, 0x00}, | ||
361 | {0x890, 0x03}, | ||
362 | {0x891, 0x01}, | ||
363 | {0x892, 0x1D}, | ||
364 | {0x893, 0x00}, | ||
365 | {0x894, 0x03}, | ||
366 | {0x895, 0x01}, | ||
367 | {0x896, 0x4B}, | ||
368 | {0x897, 0x00}, | ||
369 | {0x898, 0xE5}, | ||
370 | {0x899, 0x00}, | ||
371 | {0x89A, 0x01}, | ||
372 | {0x89B, 0x00}, | ||
373 | {0x89C, 0x01}, | ||
374 | {0x89D, 0x04}, | ||
375 | {0x89E, 0xC8}, | ||
376 | {0x89F, 0x00}, | ||
377 | {0x8A0, 0x01}, | ||
378 | {0x8A1, 0x01}, | ||
379 | {0x8A2, 0x61}, | ||
380 | {0x8A3, 0x00}, | ||
381 | {0x8A4, 0x01}, | ||
382 | {0x8A5, 0x00}, | ||
383 | {0x8A6, 0x00}, | ||
384 | {0x8A7, 0x00}, | ||
385 | {0x8A8, 0x00}, | ||
386 | {0x8A9, 0x00}, | ||
387 | {0x8AA, 0x7F}, | ||
388 | {0x8AB, 0x03}, | ||
389 | {0x8AC, 0x00}, | ||
390 | {0x8AD, 0x00}, | ||
391 | {0x8AE, 0x00}, | ||
392 | {0x8AF, 0x00}, | ||
393 | {0x8B0, 0x00}, | ||
394 | {0x8B1, 0x00}, | ||
395 | {0x8B6, 0x00}, | ||
396 | {0x8B7, 0x01}, | ||
397 | {0x8B8, 0x00}, | ||
398 | {0x8B9, 0x00}, | ||
399 | {0x8BA, 0x02}, | ||
400 | {0x8BB, 0x00}, | ||
401 | {0x8BC, 0xFF}, | ||
402 | {0x8BD, 0x00}, | ||
403 | {0x8FE, 2}, | ||
404 | }; | ||
405 | |||
406 | static const struct rj54n1_reg_val bank_10[] = { | ||
407 | {0x10bf, 0x69} | ||
408 | }; | ||
409 | |||
410 | /* Clock dividers - these are default register values, divider = register + 1 */ | ||
411 | static const struct rj54n1_clock_div clk_div = { | ||
412 | .ratio_tg = 3 /* default: 5 */, | ||
413 | .ratio_t = 4 /* default: 1 */, | ||
414 | .ratio_r = 4 /* default: 0 */, | ||
415 | .ratio_op = 1 /* default: 5 */, | ||
416 | .ratio_o = 9 /* default: 0 */, | ||
417 | }; | ||
418 | |||
419 | static struct rj54n1 *to_rj54n1(const struct i2c_client *client) | ||
420 | { | ||
421 | return container_of(i2c_get_clientdata(client), struct rj54n1, subdev); | ||
422 | } | ||
423 | |||
424 | static int reg_read(struct i2c_client *client, const u16 reg) | ||
425 | { | ||
426 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
427 | int ret; | ||
428 | |||
429 | /* set bank */ | ||
430 | if (rj54n1->bank != reg >> 8) { | ||
431 | dev_dbg(&client->dev, "[0x%x] = 0x%x\n", 0xff, reg >> 8); | ||
432 | ret = i2c_smbus_write_byte_data(client, 0xff, reg >> 8); | ||
433 | if (ret < 0) | ||
434 | return ret; | ||
435 | rj54n1->bank = reg >> 8; | ||
436 | } | ||
437 | return i2c_smbus_read_byte_data(client, reg & 0xff); | ||
438 | } | ||
439 | |||
440 | static int reg_write(struct i2c_client *client, const u16 reg, | ||
441 | const u8 data) | ||
442 | { | ||
443 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
444 | int ret; | ||
445 | |||
446 | /* set bank */ | ||
447 | if (rj54n1->bank != reg >> 8) { | ||
448 | dev_dbg(&client->dev, "[0x%x] = 0x%x\n", 0xff, reg >> 8); | ||
449 | ret = i2c_smbus_write_byte_data(client, 0xff, reg >> 8); | ||
450 | if (ret < 0) | ||
451 | return ret; | ||
452 | rj54n1->bank = reg >> 8; | ||
453 | } | ||
454 | dev_dbg(&client->dev, "[0x%x] = 0x%x\n", reg & 0xff, data); | ||
455 | return i2c_smbus_write_byte_data(client, reg & 0xff, data); | ||
456 | } | ||
457 | |||
458 | static int reg_set(struct i2c_client *client, const u16 reg, | ||
459 | const u8 data, const u8 mask) | ||
460 | { | ||
461 | int ret; | ||
462 | |||
463 | ret = reg_read(client, reg); | ||
464 | if (ret < 0) | ||
465 | return ret; | ||
466 | return reg_write(client, reg, (ret & ~mask) | (data & mask)); | ||
467 | } | ||
468 | |||
469 | static int reg_write_multiple(struct i2c_client *client, | ||
470 | const struct rj54n1_reg_val *rv, const int n) | ||
471 | { | ||
472 | int i, ret; | ||
473 | |||
474 | for (i = 0; i < n; i++) { | ||
475 | ret = reg_write(client, rv->reg, rv->val); | ||
476 | if (ret < 0) | ||
477 | return ret; | ||
478 | rv++; | ||
479 | } | ||
480 | |||
481 | return 0; | ||
482 | } | ||
483 | |||
484 | static int rj54n1_enum_fmt(struct v4l2_subdev *sd, unsigned int index, | ||
485 | enum v4l2_mbus_pixelcode *code) | ||
486 | { | ||
487 | if (index >= ARRAY_SIZE(rj54n1_colour_fmts)) | ||
488 | return -EINVAL; | ||
489 | |||
490 | *code = rj54n1_colour_fmts[index].code; | ||
491 | return 0; | ||
492 | } | ||
493 | |||
494 | static int rj54n1_s_stream(struct v4l2_subdev *sd, int enable) | ||
495 | { | ||
496 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
497 | |||
498 | /* Switch between preview and still shot modes */ | ||
499 | return reg_set(client, RJ54N1_STILL_CONTROL, (!enable) << 7, 0x80); | ||
500 | } | ||
501 | |||
502 | static int rj54n1_set_bus_param(struct soc_camera_device *icd, | ||
503 | unsigned long flags) | ||
504 | { | ||
505 | struct v4l2_subdev *sd = soc_camera_to_subdev(icd); | ||
506 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
507 | /* Figures 2.5-1 to 2.5-3 - default falling pixclk edge */ | ||
508 | |||
509 | if (flags & SOCAM_PCLK_SAMPLE_RISING) | ||
510 | return reg_write(client, RJ54N1_OUT_SIGPO, 1 << 4); | ||
511 | else | ||
512 | return reg_write(client, RJ54N1_OUT_SIGPO, 0); | ||
513 | } | ||
514 | |||
515 | static unsigned long rj54n1_query_bus_param(struct soc_camera_device *icd) | ||
516 | { | ||
517 | struct soc_camera_link *icl = to_soc_camera_link(icd); | ||
518 | const unsigned long flags = | ||
519 | SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING | | ||
520 | SOCAM_MASTER | SOCAM_DATAWIDTH_8 | | ||
521 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | | ||
522 | SOCAM_DATA_ACTIVE_HIGH; | ||
523 | |||
524 | return soc_camera_apply_sensor_flags(icl, flags); | ||
525 | } | ||
526 | |||
527 | static int rj54n1_set_rect(struct i2c_client *client, | ||
528 | u16 reg_x, u16 reg_y, u16 reg_xy, | ||
529 | u32 width, u32 height) | ||
530 | { | ||
531 | int ret; | ||
532 | |||
533 | ret = reg_write(client, reg_xy, | ||
534 | ((width >> 4) & 0x70) | | ||
535 | ((height >> 8) & 7)); | ||
536 | |||
537 | if (!ret) | ||
538 | ret = reg_write(client, reg_x, width & 0xff); | ||
539 | if (!ret) | ||
540 | ret = reg_write(client, reg_y, height & 0xff); | ||
541 | |||
542 | return ret; | ||
543 | } | ||
544 | |||
545 | /* | ||
546 | * Some commands, specifically certain initialisation sequences, require | ||
547 | * a commit operation. | ||
548 | */ | ||
549 | static int rj54n1_commit(struct i2c_client *client) | ||
550 | { | ||
551 | int ret = reg_write(client, RJ54N1_INIT_START, 1); | ||
552 | msleep(10); | ||
553 | if (!ret) | ||
554 | ret = reg_write(client, RJ54N1_INIT_START, 0); | ||
555 | return ret; | ||
556 | } | ||
557 | |||
558 | static int rj54n1_sensor_scale(struct v4l2_subdev *sd, s32 *in_w, s32 *in_h, | ||
559 | s32 *out_w, s32 *out_h); | ||
560 | |||
561 | static int rj54n1_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | ||
562 | { | ||
563 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
564 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
565 | struct v4l2_rect *rect = &a->c; | ||
566 | int dummy = 0, output_w, output_h, | ||
567 | input_w = rect->width, input_h = rect->height; | ||
568 | int ret; | ||
569 | |||
570 | /* arbitrary minimum width and height, edges unimportant */ | ||
571 | soc_camera_limit_side(&dummy, &input_w, | ||
572 | RJ54N1_COLUMN_SKIP, 8, RJ54N1_MAX_WIDTH); | ||
573 | |||
574 | soc_camera_limit_side(&dummy, &input_h, | ||
575 | RJ54N1_ROW_SKIP, 8, RJ54N1_MAX_HEIGHT); | ||
576 | |||
577 | output_w = (input_w * 1024 + rj54n1->resize / 2) / rj54n1->resize; | ||
578 | output_h = (input_h * 1024 + rj54n1->resize / 2) / rj54n1->resize; | ||
579 | |||
580 | dev_dbg(&client->dev, "Scaling for %dx%d : %u = %dx%d\n", | ||
581 | input_w, input_h, rj54n1->resize, output_w, output_h); | ||
582 | |||
583 | ret = rj54n1_sensor_scale(sd, &input_w, &input_h, &output_w, &output_h); | ||
584 | if (ret < 0) | ||
585 | return ret; | ||
586 | |||
587 | rj54n1->width = output_w; | ||
588 | rj54n1->height = output_h; | ||
589 | rj54n1->resize = ret; | ||
590 | rj54n1->rect.width = input_w; | ||
591 | rj54n1->rect.height = input_h; | ||
592 | |||
593 | return 0; | ||
594 | } | ||
595 | |||
596 | static int rj54n1_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | ||
597 | { | ||
598 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
599 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
600 | |||
601 | a->c = rj54n1->rect; | ||
602 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | ||
603 | |||
604 | return 0; | ||
605 | } | ||
606 | |||
607 | static int rj54n1_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | ||
608 | { | ||
609 | a->bounds.left = RJ54N1_COLUMN_SKIP; | ||
610 | a->bounds.top = RJ54N1_ROW_SKIP; | ||
611 | a->bounds.width = RJ54N1_MAX_WIDTH; | ||
612 | a->bounds.height = RJ54N1_MAX_HEIGHT; | ||
613 | a->defrect = a->bounds; | ||
614 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | ||
615 | a->pixelaspect.numerator = 1; | ||
616 | a->pixelaspect.denominator = 1; | ||
617 | |||
618 | return 0; | ||
619 | } | ||
620 | |||
621 | static int rj54n1_g_fmt(struct v4l2_subdev *sd, | ||
622 | struct v4l2_mbus_framefmt *mf) | ||
623 | { | ||
624 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
625 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
626 | |||
627 | mf->code = rj54n1->fmt->code; | ||
628 | mf->colorspace = rj54n1->fmt->colorspace; | ||
629 | mf->field = V4L2_FIELD_NONE; | ||
630 | mf->width = rj54n1->width; | ||
631 | mf->height = rj54n1->height; | ||
632 | |||
633 | return 0; | ||
634 | } | ||
635 | |||
636 | /* | ||
637 | * The actual geometry configuration routine. It scales the input window into | ||
638 | * the output one, updates the window sizes and returns an error or the resize | ||
639 | * coefficient on success. Note: we only use the "Fixed Scaling" on this camera. | ||
640 | */ | ||
641 | static int rj54n1_sensor_scale(struct v4l2_subdev *sd, s32 *in_w, s32 *in_h, | ||
642 | s32 *out_w, s32 *out_h) | ||
643 | { | ||
644 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
645 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
646 | unsigned int skip, resize, input_w = *in_w, input_h = *in_h, | ||
647 | output_w = *out_w, output_h = *out_h; | ||
648 | u16 inc_sel, wb_bit8, wb_left, wb_right, wb_top, wb_bottom; | ||
649 | unsigned int peak, peak_50, peak_60; | ||
650 | int ret; | ||
651 | |||
652 | /* | ||
653 | * We have a problem with crops, where the window is larger than 512x384 | ||
654 | * and output window is larger than a half of the input one. In this | ||
655 | * case we have to either reduce the input window to equal or below | ||
656 | * 512x384 or the output window to equal or below 1/2 of the input. | ||
657 | */ | ||
658 | if (output_w > max(512U, input_w / 2)) { | ||
659 | if (2 * output_w > RJ54N1_MAX_WIDTH) { | ||
660 | input_w = RJ54N1_MAX_WIDTH; | ||
661 | output_w = RJ54N1_MAX_WIDTH / 2; | ||
662 | } else { | ||
663 | input_w = output_w * 2; | ||
664 | } | ||
665 | |||
666 | dev_dbg(&client->dev, "Adjusted output width: in %u, out %u\n", | ||
667 | input_w, output_w); | ||
668 | } | ||
669 | |||
670 | if (output_h > max(384U, input_h / 2)) { | ||
671 | if (2 * output_h > RJ54N1_MAX_HEIGHT) { | ||
672 | input_h = RJ54N1_MAX_HEIGHT; | ||
673 | output_h = RJ54N1_MAX_HEIGHT / 2; | ||
674 | } else { | ||
675 | input_h = output_h * 2; | ||
676 | } | ||
677 | |||
678 | dev_dbg(&client->dev, "Adjusted output height: in %u, out %u\n", | ||
679 | input_h, output_h); | ||
680 | } | ||
681 | |||
682 | /* Idea: use the read mode for snapshots, handle separate geometries */ | ||
683 | ret = rj54n1_set_rect(client, RJ54N1_X_OUTPUT_SIZE_S_L, | ||
684 | RJ54N1_Y_OUTPUT_SIZE_S_L, | ||
685 | RJ54N1_XY_OUTPUT_SIZE_S_H, output_w, output_h); | ||
686 | if (!ret) | ||
687 | ret = rj54n1_set_rect(client, RJ54N1_X_OUTPUT_SIZE_P_L, | ||
688 | RJ54N1_Y_OUTPUT_SIZE_P_L, | ||
689 | RJ54N1_XY_OUTPUT_SIZE_P_H, output_w, output_h); | ||
690 | |||
691 | if (ret < 0) | ||
692 | return ret; | ||
693 | |||
694 | if (output_w > input_w && output_h > input_h) { | ||
695 | input_w = output_w; | ||
696 | input_h = output_h; | ||
697 | |||
698 | resize = 1024; | ||
699 | } else { | ||
700 | unsigned int resize_x, resize_y; | ||
701 | resize_x = (input_w * 1024 + output_w / 2) / output_w; | ||
702 | resize_y = (input_h * 1024 + output_h / 2) / output_h; | ||
703 | |||
704 | /* We want max(resize_x, resize_y), check if it still fits */ | ||
705 | if (resize_x > resize_y && | ||
706 | (output_h * resize_x + 512) / 1024 > RJ54N1_MAX_HEIGHT) | ||
707 | resize = (RJ54N1_MAX_HEIGHT * 1024 + output_h / 2) / | ||
708 | output_h; | ||
709 | else if (resize_y > resize_x && | ||
710 | (output_w * resize_y + 512) / 1024 > RJ54N1_MAX_WIDTH) | ||
711 | resize = (RJ54N1_MAX_WIDTH * 1024 + output_w / 2) / | ||
712 | output_w; | ||
713 | else | ||
714 | resize = max(resize_x, resize_y); | ||
715 | |||
716 | /* Prohibited value ranges */ | ||
717 | switch (resize) { | ||
718 | case 2040 ... 2047: | ||
719 | resize = 2039; | ||
720 | break; | ||
721 | case 4080 ... 4095: | ||
722 | resize = 4079; | ||
723 | break; | ||
724 | case 8160 ... 8191: | ||
725 | resize = 8159; | ||
726 | break; | ||
727 | case 16320 ... 16384: | ||
728 | resize = 16319; | ||
729 | } | ||
730 | } | ||
731 | |||
732 | /* Set scaling */ | ||
733 | ret = reg_write(client, RJ54N1_RESIZE_HOLD_L, resize & 0xff); | ||
734 | if (!ret) | ||
735 | ret = reg_write(client, RJ54N1_RESIZE_HOLD_H, resize >> 8); | ||
736 | |||
737 | if (ret < 0) | ||
738 | return ret; | ||
739 | |||
740 | /* | ||
741 | * Configure a skipping bitmask. The sensor will select a skipping value | ||
742 | * among set bits automatically. This is very unclear in the datasheet | ||
743 | * too. I was told, in this register one enables all skipping values, | ||
744 | * that are required for a specific resize, and the camera selects | ||
745 | * automatically, which ones to use. But it is unclear how to identify, | ||
746 | * which cropping values are needed. Secondly, why don't we just set all | ||
747 | * bits and let the camera choose? Would it increase processing time and | ||
748 | * reduce the framerate? Using 0xfffc for INC_USE_SEL doesn't seem to | ||
749 | * improve the image quality or stability for larger frames (see comment | ||
750 | * above), but I didn't check the framerate. | ||
751 | */ | ||
752 | skip = min(resize / 1024, 15U); | ||
753 | |||
754 | inc_sel = 1 << skip; | ||
755 | |||
756 | if (inc_sel <= 2) | ||
757 | inc_sel = 0xc; | ||
758 | else if (resize & 1023 && skip < 15) | ||
759 | inc_sel |= 1 << (skip + 1); | ||
760 | |||
761 | ret = reg_write(client, RJ54N1_INC_USE_SEL_L, inc_sel & 0xfc); | ||
762 | if (!ret) | ||
763 | ret = reg_write(client, RJ54N1_INC_USE_SEL_H, inc_sel >> 8); | ||
764 | |||
765 | if (!rj54n1->auto_wb) { | ||
766 | /* Auto white balance window */ | ||
767 | wb_left = output_w / 16; | ||
768 | wb_right = (3 * output_w / 4 - 3) / 4; | ||
769 | wb_top = output_h / 16; | ||
770 | wb_bottom = (3 * output_h / 4 - 3) / 4; | ||
771 | wb_bit8 = ((wb_left >> 2) & 0x40) | ((wb_top >> 4) & 0x10) | | ||
772 | ((wb_right >> 6) & 4) | ((wb_bottom >> 8) & 1); | ||
773 | |||
774 | if (!ret) | ||
775 | ret = reg_write(client, RJ54N1_BIT8_WB, wb_bit8); | ||
776 | if (!ret) | ||
777 | ret = reg_write(client, RJ54N1_HCAPS_WB, wb_left); | ||
778 | if (!ret) | ||
779 | ret = reg_write(client, RJ54N1_VCAPS_WB, wb_top); | ||
780 | if (!ret) | ||
781 | ret = reg_write(client, RJ54N1_HCAPE_WB, wb_right); | ||
782 | if (!ret) | ||
783 | ret = reg_write(client, RJ54N1_VCAPE_WB, wb_bottom); | ||
784 | } | ||
785 | |||
786 | /* Antiflicker */ | ||
787 | peak = 12 * RJ54N1_MAX_WIDTH * (1 << 14) * resize / rj54n1->tgclk_mhz / | ||
788 | 10000; | ||
789 | peak_50 = peak / 6; | ||
790 | peak_60 = peak / 5; | ||
791 | |||
792 | if (!ret) | ||
793 | ret = reg_write(client, RJ54N1_PEAK_H, | ||
794 | ((peak_50 >> 4) & 0xf0) | (peak_60 >> 8)); | ||
795 | if (!ret) | ||
796 | ret = reg_write(client, RJ54N1_PEAK_50, peak_50); | ||
797 | if (!ret) | ||
798 | ret = reg_write(client, RJ54N1_PEAK_60, peak_60); | ||
799 | if (!ret) | ||
800 | ret = reg_write(client, RJ54N1_PEAK_DIFF, peak / 150); | ||
801 | |||
802 | /* Start resizing */ | ||
803 | if (!ret) | ||
804 | ret = reg_write(client, RJ54N1_RESIZE_CONTROL, | ||
805 | RESIZE_HOLD_SEL | RESIZE_GO | 1); | ||
806 | |||
807 | if (ret < 0) | ||
808 | return ret; | ||
809 | |||
810 | /* Constant taken from manufacturer's example */ | ||
811 | msleep(230); | ||
812 | |||
813 | ret = reg_write(client, RJ54N1_RESIZE_CONTROL, RESIZE_HOLD_SEL | 1); | ||
814 | if (ret < 0) | ||
815 | return ret; | ||
816 | |||
817 | *in_w = (output_w * resize + 512) / 1024; | ||
818 | *in_h = (output_h * resize + 512) / 1024; | ||
819 | *out_w = output_w; | ||
820 | *out_h = output_h; | ||
821 | |||
822 | dev_dbg(&client->dev, "Scaled for %dx%d : %u = %ux%u, skip %u\n", | ||
823 | *in_w, *in_h, resize, output_w, output_h, skip); | ||
824 | |||
825 | return resize; | ||
826 | } | ||
827 | |||
828 | static int rj54n1_set_clock(struct i2c_client *client) | ||
829 | { | ||
830 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
831 | int ret; | ||
832 | |||
833 | /* Enable external clock */ | ||
834 | ret = reg_write(client, RJ54N1_RESET_STANDBY, E_EXCLK | SOFT_STDBY); | ||
835 | /* Leave stand-by. Note: use this when implementing suspend / resume */ | ||
836 | if (!ret) | ||
837 | ret = reg_write(client, RJ54N1_RESET_STANDBY, E_EXCLK); | ||
838 | |||
839 | if (!ret) | ||
840 | ret = reg_write(client, RJ54N1_PLL_L, PLL_L); | ||
841 | if (!ret) | ||
842 | ret = reg_write(client, RJ54N1_PLL_N, PLL_N); | ||
843 | |||
844 | /* TGCLK dividers */ | ||
845 | if (!ret) | ||
846 | ret = reg_write(client, RJ54N1_RATIO_TG, | ||
847 | rj54n1->clk_div.ratio_tg); | ||
848 | if (!ret) | ||
849 | ret = reg_write(client, RJ54N1_RATIO_T, | ||
850 | rj54n1->clk_div.ratio_t); | ||
851 | if (!ret) | ||
852 | ret = reg_write(client, RJ54N1_RATIO_R, | ||
853 | rj54n1->clk_div.ratio_r); | ||
854 | |||
855 | /* Enable TGCLK & RAMP */ | ||
856 | if (!ret) | ||
857 | ret = reg_write(client, RJ54N1_RAMP_TGCLK_EN, 3); | ||
858 | |||
859 | /* Disable clock output */ | ||
860 | if (!ret) | ||
861 | ret = reg_write(client, RJ54N1_OCLK_DSP, 0); | ||
862 | |||
863 | /* Set divisors */ | ||
864 | if (!ret) | ||
865 | ret = reg_write(client, RJ54N1_RATIO_OP, | ||
866 | rj54n1->clk_div.ratio_op); | ||
867 | if (!ret) | ||
868 | ret = reg_write(client, RJ54N1_RATIO_O, | ||
869 | rj54n1->clk_div.ratio_o); | ||
870 | |||
871 | /* Enable OCLK */ | ||
872 | if (!ret) | ||
873 | ret = reg_write(client, RJ54N1_OCLK_SEL_EN, 1); | ||
874 | |||
875 | /* Use PLL for Timing Generator, write 2 to reserved bits */ | ||
876 | if (!ret) | ||
877 | ret = reg_write(client, RJ54N1_TG_BYPASS, 2); | ||
878 | |||
879 | /* Take sensor out of reset */ | ||
880 | if (!ret) | ||
881 | ret = reg_write(client, RJ54N1_RESET_STANDBY, | ||
882 | E_EXCLK | SEN_RSTX); | ||
883 | /* Enable PLL */ | ||
884 | if (!ret) | ||
885 | ret = reg_write(client, RJ54N1_PLL_EN, 1); | ||
886 | |||
887 | /* Wait for PLL to stabilise */ | ||
888 | msleep(10); | ||
889 | |||
890 | /* Enable clock to frequency divider */ | ||
891 | if (!ret) | ||
892 | ret = reg_write(client, RJ54N1_CLK_RST, 1); | ||
893 | |||
894 | if (!ret) | ||
895 | ret = reg_read(client, RJ54N1_CLK_RST); | ||
896 | if (ret != 1) { | ||
897 | dev_err(&client->dev, | ||
898 | "Resetting RJ54N1CB0C clock failed: %d!\n", ret); | ||
899 | return -EIO; | ||
900 | } | ||
901 | |||
902 | /* Start the PLL */ | ||
903 | ret = reg_set(client, RJ54N1_OCLK_DSP, 1, 1); | ||
904 | |||
905 | /* Enable OCLK */ | ||
906 | if (!ret) | ||
907 | ret = reg_write(client, RJ54N1_OCLK_SEL_EN, 1); | ||
908 | |||
909 | return ret; | ||
910 | } | ||
911 | |||
912 | static int rj54n1_reg_init(struct i2c_client *client) | ||
913 | { | ||
914 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
915 | int ret = rj54n1_set_clock(client); | ||
916 | |||
917 | if (!ret) | ||
918 | ret = reg_write_multiple(client, bank_7, ARRAY_SIZE(bank_7)); | ||
919 | if (!ret) | ||
920 | ret = reg_write_multiple(client, bank_10, ARRAY_SIZE(bank_10)); | ||
921 | |||
922 | /* Set binning divisors */ | ||
923 | if (!ret) | ||
924 | ret = reg_write(client, RJ54N1_SCALE_1_2_LEV, 3 | (7 << 4)); | ||
925 | if (!ret) | ||
926 | ret = reg_write(client, RJ54N1_SCALE_4_LEV, 0xf); | ||
927 | |||
928 | /* Switch to fixed resize mode */ | ||
929 | if (!ret) | ||
930 | ret = reg_write(client, RJ54N1_RESIZE_CONTROL, | ||
931 | RESIZE_HOLD_SEL | 1); | ||
932 | |||
933 | /* Set gain */ | ||
934 | if (!ret) | ||
935 | ret = reg_write(client, RJ54N1_Y_GAIN, 0x84); | ||
936 | |||
937 | /* | ||
938 | * Mirror the image back: default is upside down and left-to-right... | ||
939 | * Set manual preview / still shot switching | ||
940 | */ | ||
941 | if (!ret) | ||
942 | ret = reg_write(client, RJ54N1_MIRROR_STILL_MODE, 0x27); | ||
943 | |||
944 | if (!ret) | ||
945 | ret = reg_write_multiple(client, bank_4, ARRAY_SIZE(bank_4)); | ||
946 | |||
947 | /* Auto exposure area */ | ||
948 | if (!ret) | ||
949 | ret = reg_write(client, RJ54N1_EXPOSURE_CONTROL, 0x80); | ||
950 | /* Check current auto WB config */ | ||
951 | if (!ret) | ||
952 | ret = reg_read(client, RJ54N1_WB_SEL_WEIGHT_I); | ||
953 | if (ret >= 0) { | ||
954 | rj54n1->auto_wb = ret & 0x80; | ||
955 | ret = reg_write_multiple(client, bank_5, ARRAY_SIZE(bank_5)); | ||
956 | } | ||
957 | if (!ret) | ||
958 | ret = reg_write_multiple(client, bank_8, ARRAY_SIZE(bank_8)); | ||
959 | |||
960 | if (!ret) | ||
961 | ret = reg_write(client, RJ54N1_RESET_STANDBY, | ||
962 | E_EXCLK | DSP_RSTX | SEN_RSTX); | ||
963 | |||
964 | /* Commit init */ | ||
965 | if (!ret) | ||
966 | ret = rj54n1_commit(client); | ||
967 | |||
968 | /* Take DSP, TG, sensor out of reset */ | ||
969 | if (!ret) | ||
970 | ret = reg_write(client, RJ54N1_RESET_STANDBY, | ||
971 | E_EXCLK | DSP_RSTX | TG_RSTX | SEN_RSTX); | ||
972 | |||
973 | /* Start register update? Same register as 0x?FE in many bank_* sets */ | ||
974 | if (!ret) | ||
975 | ret = reg_write(client, RJ54N1_FWFLG, 2); | ||
976 | |||
977 | /* Constant taken from manufacturer's example */ | ||
978 | msleep(700); | ||
979 | |||
980 | return ret; | ||
981 | } | ||
982 | |||
983 | static int rj54n1_try_fmt(struct v4l2_subdev *sd, | ||
984 | struct v4l2_mbus_framefmt *mf) | ||
985 | { | ||
986 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
987 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
988 | const struct rj54n1_datafmt *fmt; | ||
989 | int align = mf->code == V4L2_MBUS_FMT_SBGGR10_1X10 || | ||
990 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE || | ||
991 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE || | ||
992 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE || | ||
993 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE; | ||
994 | |||
995 | dev_dbg(&client->dev, "%s: code = %d, width = %u, height = %u\n", | ||
996 | __func__, mf->code, mf->width, mf->height); | ||
997 | |||
998 | fmt = rj54n1_find_datafmt(mf->code, rj54n1_colour_fmts, | ||
999 | ARRAY_SIZE(rj54n1_colour_fmts)); | ||
1000 | if (!fmt) { | ||
1001 | fmt = rj54n1->fmt; | ||
1002 | mf->code = fmt->code; | ||
1003 | } | ||
1004 | |||
1005 | mf->field = V4L2_FIELD_NONE; | ||
1006 | mf->colorspace = fmt->colorspace; | ||
1007 | |||
1008 | v4l_bound_align_image(&mf->width, 112, RJ54N1_MAX_WIDTH, align, | ||
1009 | &mf->height, 84, RJ54N1_MAX_HEIGHT, align, 0); | ||
1010 | |||
1011 | return 0; | ||
1012 | } | ||
1013 | |||
1014 | static int rj54n1_s_fmt(struct v4l2_subdev *sd, | ||
1015 | struct v4l2_mbus_framefmt *mf) | ||
1016 | { | ||
1017 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1018 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
1019 | const struct rj54n1_datafmt *fmt; | ||
1020 | int output_w, output_h, max_w, max_h, | ||
1021 | input_w = rj54n1->rect.width, input_h = rj54n1->rect.height; | ||
1022 | int ret; | ||
1023 | |||
1024 | /* | ||
1025 | * The host driver can call us without .try_fmt(), so, we have to take | ||
1026 | * care ourseleves | ||
1027 | */ | ||
1028 | rj54n1_try_fmt(sd, mf); | ||
1029 | |||
1030 | /* | ||
1031 | * Verify if the sensor has just been powered on. TODO: replace this | ||
1032 | * with proper PM, when a suitable API is available. | ||
1033 | */ | ||
1034 | ret = reg_read(client, RJ54N1_RESET_STANDBY); | ||
1035 | if (ret < 0) | ||
1036 | return ret; | ||
1037 | |||
1038 | if (!(ret & E_EXCLK)) { | ||
1039 | ret = rj54n1_reg_init(client); | ||
1040 | if (ret < 0) | ||
1041 | return ret; | ||
1042 | } | ||
1043 | |||
1044 | dev_dbg(&client->dev, "%s: code = %d, width = %u, height = %u\n", | ||
1045 | __func__, mf->code, mf->width, mf->height); | ||
1046 | |||
1047 | /* RA_SEL_UL is only relevant for raw modes, ignored otherwise. */ | ||
1048 | switch (mf->code) { | ||
1049 | case V4L2_MBUS_FMT_YUYV8_2X8: | ||
1050 | ret = reg_write(client, RJ54N1_OUT_SEL, 0); | ||
1051 | if (!ret) | ||
1052 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); | ||
1053 | break; | ||
1054 | case V4L2_MBUS_FMT_YVYU8_2X8: | ||
1055 | ret = reg_write(client, RJ54N1_OUT_SEL, 0); | ||
1056 | if (!ret) | ||
1057 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); | ||
1058 | break; | ||
1059 | case V4L2_MBUS_FMT_RGB565_2X8_LE: | ||
1060 | ret = reg_write(client, RJ54N1_OUT_SEL, 0x11); | ||
1061 | if (!ret) | ||
1062 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); | ||
1063 | break; | ||
1064 | case V4L2_MBUS_FMT_RGB565_2X8_BE: | ||
1065 | ret = reg_write(client, RJ54N1_OUT_SEL, 0x11); | ||
1066 | if (!ret) | ||
1067 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); | ||
1068 | break; | ||
1069 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE: | ||
1070 | ret = reg_write(client, RJ54N1_OUT_SEL, 4); | ||
1071 | if (!ret) | ||
1072 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); | ||
1073 | if (!ret) | ||
1074 | ret = reg_write(client, RJ54N1_RA_SEL_UL, 0); | ||
1075 | break; | ||
1076 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE: | ||
1077 | ret = reg_write(client, RJ54N1_OUT_SEL, 4); | ||
1078 | if (!ret) | ||
1079 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); | ||
1080 | if (!ret) | ||
1081 | ret = reg_write(client, RJ54N1_RA_SEL_UL, 8); | ||
1082 | break; | ||
1083 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE: | ||
1084 | ret = reg_write(client, RJ54N1_OUT_SEL, 4); | ||
1085 | if (!ret) | ||
1086 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); | ||
1087 | if (!ret) | ||
1088 | ret = reg_write(client, RJ54N1_RA_SEL_UL, 0); | ||
1089 | break; | ||
1090 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE: | ||
1091 | ret = reg_write(client, RJ54N1_OUT_SEL, 4); | ||
1092 | if (!ret) | ||
1093 | ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); | ||
1094 | if (!ret) | ||
1095 | ret = reg_write(client, RJ54N1_RA_SEL_UL, 8); | ||
1096 | break; | ||
1097 | case V4L2_MBUS_FMT_SBGGR10_1X10: | ||
1098 | ret = reg_write(client, RJ54N1_OUT_SEL, 5); | ||
1099 | break; | ||
1100 | default: | ||
1101 | ret = -EINVAL; | ||
1102 | } | ||
1103 | |||
1104 | /* Special case: a raw mode with 10 bits of data per clock tick */ | ||
1105 | if (!ret) | ||
1106 | ret = reg_set(client, RJ54N1_OCLK_SEL_EN, | ||
1107 | (mf->code == V4L2_MBUS_FMT_SBGGR10_1X10) << 1, 2); | ||
1108 | |||
1109 | if (ret < 0) | ||
1110 | return ret; | ||
1111 | |||
1112 | /* Supported scales 1:1 >= scale > 1:16 */ | ||
1113 | max_w = mf->width * (16 * 1024 - 1) / 1024; | ||
1114 | if (input_w > max_w) | ||
1115 | input_w = max_w; | ||
1116 | max_h = mf->height * (16 * 1024 - 1) / 1024; | ||
1117 | if (input_h > max_h) | ||
1118 | input_h = max_h; | ||
1119 | |||
1120 | output_w = mf->width; | ||
1121 | output_h = mf->height; | ||
1122 | |||
1123 | ret = rj54n1_sensor_scale(sd, &input_w, &input_h, &output_w, &output_h); | ||
1124 | if (ret < 0) | ||
1125 | return ret; | ||
1126 | |||
1127 | fmt = rj54n1_find_datafmt(mf->code, rj54n1_colour_fmts, | ||
1128 | ARRAY_SIZE(rj54n1_colour_fmts)); | ||
1129 | |||
1130 | rj54n1->fmt = fmt; | ||
1131 | rj54n1->resize = ret; | ||
1132 | rj54n1->rect.width = input_w; | ||
1133 | rj54n1->rect.height = input_h; | ||
1134 | rj54n1->width = output_w; | ||
1135 | rj54n1->height = output_h; | ||
1136 | |||
1137 | mf->width = output_w; | ||
1138 | mf->height = output_h; | ||
1139 | mf->field = V4L2_FIELD_NONE; | ||
1140 | mf->colorspace = fmt->colorspace; | ||
1141 | |||
1142 | return 0; | ||
1143 | } | ||
1144 | |||
1145 | static int rj54n1_g_chip_ident(struct v4l2_subdev *sd, | ||
1146 | struct v4l2_dbg_chip_ident *id) | ||
1147 | { | ||
1148 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1149 | |||
1150 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) | ||
1151 | return -EINVAL; | ||
1152 | |||
1153 | if (id->match.addr != client->addr) | ||
1154 | return -ENODEV; | ||
1155 | |||
1156 | id->ident = V4L2_IDENT_RJ54N1CB0C; | ||
1157 | id->revision = 0; | ||
1158 | |||
1159 | return 0; | ||
1160 | } | ||
1161 | |||
1162 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
1163 | static int rj54n1_g_register(struct v4l2_subdev *sd, | ||
1164 | struct v4l2_dbg_register *reg) | ||
1165 | { | ||
1166 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1167 | |||
1168 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || | ||
1169 | reg->reg < 0x400 || reg->reg > 0x1fff) | ||
1170 | /* Registers > 0x0800 are only available from Sharp support */ | ||
1171 | return -EINVAL; | ||
1172 | |||
1173 | if (reg->match.addr != client->addr) | ||
1174 | return -ENODEV; | ||
1175 | |||
1176 | reg->size = 1; | ||
1177 | reg->val = reg_read(client, reg->reg); | ||
1178 | |||
1179 | if (reg->val > 0xff) | ||
1180 | return -EIO; | ||
1181 | |||
1182 | return 0; | ||
1183 | } | ||
1184 | |||
1185 | static int rj54n1_s_register(struct v4l2_subdev *sd, | ||
1186 | struct v4l2_dbg_register *reg) | ||
1187 | { | ||
1188 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1189 | |||
1190 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || | ||
1191 | reg->reg < 0x400 || reg->reg > 0x1fff) | ||
1192 | /* Registers >= 0x0800 are only available from Sharp support */ | ||
1193 | return -EINVAL; | ||
1194 | |||
1195 | if (reg->match.addr != client->addr) | ||
1196 | return -ENODEV; | ||
1197 | |||
1198 | if (reg_write(client, reg->reg, reg->val) < 0) | ||
1199 | return -EIO; | ||
1200 | |||
1201 | return 0; | ||
1202 | } | ||
1203 | #endif | ||
1204 | |||
1205 | static const struct v4l2_queryctrl rj54n1_controls[] = { | ||
1206 | { | ||
1207 | .id = V4L2_CID_VFLIP, | ||
1208 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
1209 | .name = "Flip Vertically", | ||
1210 | .minimum = 0, | ||
1211 | .maximum = 1, | ||
1212 | .step = 1, | ||
1213 | .default_value = 0, | ||
1214 | }, { | ||
1215 | .id = V4L2_CID_HFLIP, | ||
1216 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
1217 | .name = "Flip Horizontally", | ||
1218 | .minimum = 0, | ||
1219 | .maximum = 1, | ||
1220 | .step = 1, | ||
1221 | .default_value = 0, | ||
1222 | }, { | ||
1223 | .id = V4L2_CID_GAIN, | ||
1224 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
1225 | .name = "Gain", | ||
1226 | .minimum = 0, | ||
1227 | .maximum = 127, | ||
1228 | .step = 1, | ||
1229 | .default_value = 66, | ||
1230 | .flags = V4L2_CTRL_FLAG_SLIDER, | ||
1231 | }, { | ||
1232 | .id = V4L2_CID_AUTO_WHITE_BALANCE, | ||
1233 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
1234 | .name = "Auto white balance", | ||
1235 | .minimum = 0, | ||
1236 | .maximum = 1, | ||
1237 | .step = 1, | ||
1238 | .default_value = 1, | ||
1239 | }, | ||
1240 | }; | ||
1241 | |||
1242 | static struct soc_camera_ops rj54n1_ops = { | ||
1243 | .set_bus_param = rj54n1_set_bus_param, | ||
1244 | .query_bus_param = rj54n1_query_bus_param, | ||
1245 | .controls = rj54n1_controls, | ||
1246 | .num_controls = ARRAY_SIZE(rj54n1_controls), | ||
1247 | }; | ||
1248 | |||
1249 | static int rj54n1_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | ||
1250 | { | ||
1251 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1252 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
1253 | int data; | ||
1254 | |||
1255 | switch (ctrl->id) { | ||
1256 | case V4L2_CID_VFLIP: | ||
1257 | data = reg_read(client, RJ54N1_MIRROR_STILL_MODE); | ||
1258 | if (data < 0) | ||
1259 | return -EIO; | ||
1260 | ctrl->value = !(data & 1); | ||
1261 | break; | ||
1262 | case V4L2_CID_HFLIP: | ||
1263 | data = reg_read(client, RJ54N1_MIRROR_STILL_MODE); | ||
1264 | if (data < 0) | ||
1265 | return -EIO; | ||
1266 | ctrl->value = !(data & 2); | ||
1267 | break; | ||
1268 | case V4L2_CID_GAIN: | ||
1269 | data = reg_read(client, RJ54N1_Y_GAIN); | ||
1270 | if (data < 0) | ||
1271 | return -EIO; | ||
1272 | |||
1273 | ctrl->value = data / 2; | ||
1274 | break; | ||
1275 | case V4L2_CID_AUTO_WHITE_BALANCE: | ||
1276 | ctrl->value = rj54n1->auto_wb; | ||
1277 | break; | ||
1278 | } | ||
1279 | |||
1280 | return 0; | ||
1281 | } | ||
1282 | |||
1283 | static int rj54n1_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | ||
1284 | { | ||
1285 | int data; | ||
1286 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1287 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
1288 | const struct v4l2_queryctrl *qctrl; | ||
1289 | |||
1290 | qctrl = soc_camera_find_qctrl(&rj54n1_ops, ctrl->id); | ||
1291 | if (!qctrl) | ||
1292 | return -EINVAL; | ||
1293 | |||
1294 | switch (ctrl->id) { | ||
1295 | case V4L2_CID_VFLIP: | ||
1296 | if (ctrl->value) | ||
1297 | data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 0, 1); | ||
1298 | else | ||
1299 | data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 1, 1); | ||
1300 | if (data < 0) | ||
1301 | return -EIO; | ||
1302 | break; | ||
1303 | case V4L2_CID_HFLIP: | ||
1304 | if (ctrl->value) | ||
1305 | data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 0, 2); | ||
1306 | else | ||
1307 | data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 2, 2); | ||
1308 | if (data < 0) | ||
1309 | return -EIO; | ||
1310 | break; | ||
1311 | case V4L2_CID_GAIN: | ||
1312 | if (ctrl->value > qctrl->maximum || | ||
1313 | ctrl->value < qctrl->minimum) | ||
1314 | return -EINVAL; | ||
1315 | else if (reg_write(client, RJ54N1_Y_GAIN, ctrl->value * 2) < 0) | ||
1316 | return -EIO; | ||
1317 | break; | ||
1318 | case V4L2_CID_AUTO_WHITE_BALANCE: | ||
1319 | /* Auto WB area - whole image */ | ||
1320 | if (reg_set(client, RJ54N1_WB_SEL_WEIGHT_I, ctrl->value << 7, | ||
1321 | 0x80) < 0) | ||
1322 | return -EIO; | ||
1323 | rj54n1->auto_wb = ctrl->value; | ||
1324 | break; | ||
1325 | } | ||
1326 | |||
1327 | return 0; | ||
1328 | } | ||
1329 | |||
1330 | static struct v4l2_subdev_core_ops rj54n1_subdev_core_ops = { | ||
1331 | .g_ctrl = rj54n1_g_ctrl, | ||
1332 | .s_ctrl = rj54n1_s_ctrl, | ||
1333 | .g_chip_ident = rj54n1_g_chip_ident, | ||
1334 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
1335 | .g_register = rj54n1_g_register, | ||
1336 | .s_register = rj54n1_s_register, | ||
1337 | #endif | ||
1338 | }; | ||
1339 | |||
1340 | static struct v4l2_subdev_video_ops rj54n1_subdev_video_ops = { | ||
1341 | .s_stream = rj54n1_s_stream, | ||
1342 | .s_mbus_fmt = rj54n1_s_fmt, | ||
1343 | .g_mbus_fmt = rj54n1_g_fmt, | ||
1344 | .try_mbus_fmt = rj54n1_try_fmt, | ||
1345 | .enum_mbus_fmt = rj54n1_enum_fmt, | ||
1346 | .g_crop = rj54n1_g_crop, | ||
1347 | .s_crop = rj54n1_s_crop, | ||
1348 | .cropcap = rj54n1_cropcap, | ||
1349 | }; | ||
1350 | |||
1351 | static struct v4l2_subdev_ops rj54n1_subdev_ops = { | ||
1352 | .core = &rj54n1_subdev_core_ops, | ||
1353 | .video = &rj54n1_subdev_video_ops, | ||
1354 | }; | ||
1355 | |||
1356 | /* | ||
1357 | * Interface active, can use i2c. If it fails, it can indeed mean, that | ||
1358 | * this wasn't our capture interface, so, we wait for the right one | ||
1359 | */ | ||
1360 | static int rj54n1_video_probe(struct soc_camera_device *icd, | ||
1361 | struct i2c_client *client, | ||
1362 | struct rj54n1_pdata *priv) | ||
1363 | { | ||
1364 | int data1, data2; | ||
1365 | int ret; | ||
1366 | |||
1367 | /* We must have a parent by now. And it cannot be a wrong one. */ | ||
1368 | BUG_ON(!icd->parent || | ||
1369 | to_soc_camera_host(icd->parent)->nr != icd->iface); | ||
1370 | |||
1371 | /* Read out the chip version register */ | ||
1372 | data1 = reg_read(client, RJ54N1_DEV_CODE); | ||
1373 | data2 = reg_read(client, RJ54N1_DEV_CODE2); | ||
1374 | |||
1375 | if (data1 != 0x51 || data2 != 0x10) { | ||
1376 | ret = -ENODEV; | ||
1377 | dev_info(&client->dev, "No RJ54N1CB0C found, read 0x%x:0x%x\n", | ||
1378 | data1, data2); | ||
1379 | goto ei2c; | ||
1380 | } | ||
1381 | |||
1382 | /* Configure IOCTL polarity from the platform data: 0 or 1 << 7. */ | ||
1383 | ret = reg_write(client, RJ54N1_IOC, priv->ioctl_high << 7); | ||
1384 | if (ret < 0) | ||
1385 | goto ei2c; | ||
1386 | |||
1387 | dev_info(&client->dev, "Detected a RJ54N1CB0C chip ID 0x%x:0x%x\n", | ||
1388 | data1, data2); | ||
1389 | |||
1390 | ei2c: | ||
1391 | return ret; | ||
1392 | } | ||
1393 | |||
1394 | static int rj54n1_probe(struct i2c_client *client, | ||
1395 | const struct i2c_device_id *did) | ||
1396 | { | ||
1397 | struct rj54n1 *rj54n1; | ||
1398 | struct soc_camera_device *icd = client->dev.platform_data; | ||
1399 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); | ||
1400 | struct soc_camera_link *icl; | ||
1401 | struct rj54n1_pdata *rj54n1_priv; | ||
1402 | int ret; | ||
1403 | |||
1404 | if (!icd) { | ||
1405 | dev_err(&client->dev, "RJ54N1CB0C: missing soc-camera data!\n"); | ||
1406 | return -EINVAL; | ||
1407 | } | ||
1408 | |||
1409 | icl = to_soc_camera_link(icd); | ||
1410 | if (!icl || !icl->priv) { | ||
1411 | dev_err(&client->dev, "RJ54N1CB0C: missing platform data!\n"); | ||
1412 | return -EINVAL; | ||
1413 | } | ||
1414 | |||
1415 | rj54n1_priv = icl->priv; | ||
1416 | |||
1417 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | ||
1418 | dev_warn(&adapter->dev, | ||
1419 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE\n"); | ||
1420 | return -EIO; | ||
1421 | } | ||
1422 | |||
1423 | rj54n1 = kzalloc(sizeof(struct rj54n1), GFP_KERNEL); | ||
1424 | if (!rj54n1) | ||
1425 | return -ENOMEM; | ||
1426 | |||
1427 | v4l2_i2c_subdev_init(&rj54n1->subdev, client, &rj54n1_subdev_ops); | ||
1428 | |||
1429 | icd->ops = &rj54n1_ops; | ||
1430 | |||
1431 | rj54n1->clk_div = clk_div; | ||
1432 | rj54n1->rect.left = RJ54N1_COLUMN_SKIP; | ||
1433 | rj54n1->rect.top = RJ54N1_ROW_SKIP; | ||
1434 | rj54n1->rect.width = RJ54N1_MAX_WIDTH; | ||
1435 | rj54n1->rect.height = RJ54N1_MAX_HEIGHT; | ||
1436 | rj54n1->width = RJ54N1_MAX_WIDTH; | ||
1437 | rj54n1->height = RJ54N1_MAX_HEIGHT; | ||
1438 | rj54n1->fmt = &rj54n1_colour_fmts[0]; | ||
1439 | rj54n1->resize = 1024; | ||
1440 | rj54n1->tgclk_mhz = (rj54n1_priv->mclk_freq / PLL_L * PLL_N) / | ||
1441 | (clk_div.ratio_tg + 1) / (clk_div.ratio_t + 1); | ||
1442 | |||
1443 | ret = rj54n1_video_probe(icd, client, rj54n1_priv); | ||
1444 | if (ret < 0) { | ||
1445 | icd->ops = NULL; | ||
1446 | kfree(rj54n1); | ||
1447 | return ret; | ||
1448 | } | ||
1449 | |||
1450 | return ret; | ||
1451 | } | ||
1452 | |||
1453 | static int rj54n1_remove(struct i2c_client *client) | ||
1454 | { | ||
1455 | struct rj54n1 *rj54n1 = to_rj54n1(client); | ||
1456 | struct soc_camera_device *icd = client->dev.platform_data; | ||
1457 | struct soc_camera_link *icl = to_soc_camera_link(icd); | ||
1458 | |||
1459 | icd->ops = NULL; | ||
1460 | if (icl->free_bus) | ||
1461 | icl->free_bus(icl); | ||
1462 | kfree(rj54n1); | ||
1463 | |||
1464 | return 0; | ||
1465 | } | ||
1466 | |||
1467 | static const struct i2c_device_id rj54n1_id[] = { | ||
1468 | { "rj54n1cb0c", 0 }, | ||
1469 | { } | ||
1470 | }; | ||
1471 | MODULE_DEVICE_TABLE(i2c, rj54n1_id); | ||
1472 | |||
1473 | static struct i2c_driver rj54n1_i2c_driver = { | ||
1474 | .driver = { | ||
1475 | .name = "rj54n1cb0c", | ||
1476 | }, | ||
1477 | .probe = rj54n1_probe, | ||
1478 | .remove = rj54n1_remove, | ||
1479 | .id_table = rj54n1_id, | ||
1480 | }; | ||
1481 | |||
1482 | static int __init rj54n1_mod_init(void) | ||
1483 | { | ||
1484 | return i2c_add_driver(&rj54n1_i2c_driver); | ||
1485 | } | ||
1486 | |||
1487 | static void __exit rj54n1_mod_exit(void) | ||
1488 | { | ||
1489 | i2c_del_driver(&rj54n1_i2c_driver); | ||
1490 | } | ||
1491 | |||
1492 | module_init(rj54n1_mod_init); | ||
1493 | module_exit(rj54n1_mod_exit); | ||
1494 | |||
1495 | MODULE_DESCRIPTION("Sharp RJ54N1CB0C Camera driver"); | ||
1496 | MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); | ||
1497 | MODULE_LICENSE("GPL v2"); | ||