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858424b9 KM |
1 | /* |
2 | * mt9t112 Camera Driver | |
3 | * | |
4 | * Copyright (C) 2009 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
6 | * | |
7 | * Based on ov772x driver, mt9m111 driver, | |
8 | * | |
9 | * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
10 | * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr> | |
11 | * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net> | |
12 | * Copyright (C) 2008 Magnus Damm | |
13 | * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de> | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License version 2 as | |
17 | * published by the Free Software Foundation. | |
18 | */ | |
19 | ||
20 | #include <linux/delay.h> | |
21 | #include <linux/i2c.h> | |
22 | #include <linux/init.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/slab.h> | |
95d20109 | 25 | #include <linux/v4l2-mediabus.h> |
858424b9 KM |
26 | #include <linux/videodev2.h> |
27 | ||
28 | #include <media/mt9t112.h> | |
29 | #include <media/soc_camera.h> | |
858424b9 KM |
30 | #include <media/v4l2-chip-ident.h> |
31 | #include <media/v4l2-common.h> | |
32 | ||
33 | /* you can check PLL/clock info */ | |
34 | /* #define EXT_CLOCK 24000000 */ | |
35 | ||
36 | /************************************************************************ | |
858424b9 | 37 | macro |
858424b9 KM |
38 | ************************************************************************/ |
39 | /* | |
40 | * frame size | |
41 | */ | |
42 | #define MAX_WIDTH 2048 | |
43 | #define MAX_HEIGHT 1536 | |
44 | ||
45 | #define VGA_WIDTH 640 | |
46 | #define VGA_HEIGHT 480 | |
47 | ||
48 | /* | |
49 | * macro of read/write | |
50 | */ | |
51 | #define ECHECKER(ret, x) \ | |
52 | do { \ | |
53 | (ret) = (x); \ | |
54 | if ((ret) < 0) \ | |
55 | return (ret); \ | |
56 | } while (0) | |
57 | ||
58 | #define mt9t112_reg_write(ret, client, a, b) \ | |
59 | ECHECKER(ret, __mt9t112_reg_write(client, a, b)) | |
60 | #define mt9t112_mcu_write(ret, client, a, b) \ | |
61 | ECHECKER(ret, __mt9t112_mcu_write(client, a, b)) | |
62 | ||
63 | #define mt9t112_reg_mask_set(ret, client, a, b, c) \ | |
64 | ECHECKER(ret, __mt9t112_reg_mask_set(client, a, b, c)) | |
65 | #define mt9t112_mcu_mask_set(ret, client, a, b, c) \ | |
66 | ECHECKER(ret, __mt9t112_mcu_mask_set(client, a, b, c)) | |
67 | ||
68 | #define mt9t112_reg_read(ret, client, a) \ | |
69 | ECHECKER(ret, __mt9t112_reg_read(client, a)) | |
70 | ||
71 | /* | |
72 | * Logical address | |
73 | */ | |
74 | #define _VAR(id, offset, base) (base | (id & 0x1f) << 10 | (offset & 0x3ff)) | |
75 | #define VAR(id, offset) _VAR(id, offset, 0x0000) | |
76 | #define VAR8(id, offset) _VAR(id, offset, 0x8000) | |
77 | ||
78 | /************************************************************************ | |
858424b9 | 79 | struct |
858424b9 | 80 | ************************************************************************/ |
858424b9 KM |
81 | struct mt9t112_format { |
82 | enum v4l2_mbus_pixelcode code; | |
83 | enum v4l2_colorspace colorspace; | |
84 | u16 fmt; | |
85 | u16 order; | |
86 | }; | |
87 | ||
88 | struct mt9t112_priv { | |
89 | struct v4l2_subdev subdev; | |
90 | struct mt9t112_camera_info *info; | |
91 | struct i2c_client *client; | |
377c9ba7 | 92 | struct v4l2_rect frame; |
858424b9 KM |
93 | const struct mt9t112_format *format; |
94 | int model; | |
95 | u32 flags; | |
96 | /* for flags */ | |
d46ebd46 GL |
97 | #define INIT_DONE (1 << 0) |
98 | #define PCLK_RISING (1 << 1) | |
858424b9 KM |
99 | }; |
100 | ||
101 | /************************************************************************ | |
858424b9 | 102 | supported format |
858424b9 KM |
103 | ************************************************************************/ |
104 | ||
105 | static const struct mt9t112_format mt9t112_cfmts[] = { | |
106 | { | |
ace6e979 | 107 | .code = V4L2_MBUS_FMT_UYVY8_2X8, |
858424b9 KM |
108 | .colorspace = V4L2_COLORSPACE_JPEG, |
109 | .fmt = 1, | |
110 | .order = 0, | |
111 | }, { | |
ace6e979 | 112 | .code = V4L2_MBUS_FMT_VYUY8_2X8, |
858424b9 KM |
113 | .colorspace = V4L2_COLORSPACE_JPEG, |
114 | .fmt = 1, | |
115 | .order = 1, | |
116 | }, { | |
ace6e979 | 117 | .code = V4L2_MBUS_FMT_YUYV8_2X8, |
858424b9 KM |
118 | .colorspace = V4L2_COLORSPACE_JPEG, |
119 | .fmt = 1, | |
120 | .order = 2, | |
121 | }, { | |
ace6e979 | 122 | .code = V4L2_MBUS_FMT_YVYU8_2X8, |
858424b9 KM |
123 | .colorspace = V4L2_COLORSPACE_JPEG, |
124 | .fmt = 1, | |
125 | .order = 3, | |
126 | }, { | |
127 | .code = V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, | |
128 | .colorspace = V4L2_COLORSPACE_SRGB, | |
129 | .fmt = 8, | |
130 | .order = 2, | |
131 | }, { | |
132 | .code = V4L2_MBUS_FMT_RGB565_2X8_LE, | |
133 | .colorspace = V4L2_COLORSPACE_SRGB, | |
134 | .fmt = 4, | |
135 | .order = 2, | |
136 | }, | |
137 | }; | |
138 | ||
139 | /************************************************************************ | |
858424b9 | 140 | general function |
858424b9 KM |
141 | ************************************************************************/ |
142 | static struct mt9t112_priv *to_mt9t112(const struct i2c_client *client) | |
143 | { | |
144 | return container_of(i2c_get_clientdata(client), | |
145 | struct mt9t112_priv, | |
146 | subdev); | |
147 | } | |
148 | ||
149 | static int __mt9t112_reg_read(const struct i2c_client *client, u16 command) | |
150 | { | |
151 | struct i2c_msg msg[2]; | |
152 | u8 buf[2]; | |
153 | int ret; | |
154 | ||
155 | command = swab16(command); | |
156 | ||
157 | msg[0].addr = client->addr; | |
158 | msg[0].flags = 0; | |
159 | msg[0].len = 2; | |
160 | msg[0].buf = (u8 *)&command; | |
161 | ||
162 | msg[1].addr = client->addr; | |
163 | msg[1].flags = I2C_M_RD; | |
164 | msg[1].len = 2; | |
165 | msg[1].buf = buf; | |
166 | ||
167 | /* | |
168 | * if return value of this function is < 0, | |
169 | * it mean error. | |
170 | * else, under 16bit is valid data. | |
171 | */ | |
172 | ret = i2c_transfer(client->adapter, msg, 2); | |
173 | if (ret < 0) | |
174 | return ret; | |
175 | ||
176 | memcpy(&ret, buf, 2); | |
177 | return swab16(ret); | |
178 | } | |
179 | ||
180 | static int __mt9t112_reg_write(const struct i2c_client *client, | |
181 | u16 command, u16 data) | |
182 | { | |
183 | struct i2c_msg msg; | |
184 | u8 buf[4]; | |
185 | int ret; | |
186 | ||
187 | command = swab16(command); | |
188 | data = swab16(data); | |
189 | ||
190 | memcpy(buf + 0, &command, 2); | |
191 | memcpy(buf + 2, &data, 2); | |
192 | ||
193 | msg.addr = client->addr; | |
194 | msg.flags = 0; | |
195 | msg.len = 4; | |
196 | msg.buf = buf; | |
197 | ||
198 | /* | |
199 | * i2c_transfer return message length, | |
200 | * but this function should return 0 if correct case | |
201 | */ | |
202 | ret = i2c_transfer(client->adapter, &msg, 1); | |
203 | if (ret >= 0) | |
204 | ret = 0; | |
205 | ||
206 | return ret; | |
207 | } | |
208 | ||
209 | static int __mt9t112_reg_mask_set(const struct i2c_client *client, | |
210 | u16 command, | |
211 | u16 mask, | |
212 | u16 set) | |
213 | { | |
214 | int val = __mt9t112_reg_read(client, command); | |
215 | if (val < 0) | |
216 | return val; | |
217 | ||
218 | val &= ~mask; | |
219 | val |= set & mask; | |
220 | ||
221 | return __mt9t112_reg_write(client, command, val); | |
222 | } | |
223 | ||
224 | /* mcu access */ | |
225 | static int __mt9t112_mcu_read(const struct i2c_client *client, u16 command) | |
226 | { | |
227 | int ret; | |
228 | ||
229 | ret = __mt9t112_reg_write(client, 0x098E, command); | |
230 | if (ret < 0) | |
231 | return ret; | |
232 | ||
233 | return __mt9t112_reg_read(client, 0x0990); | |
234 | } | |
235 | ||
236 | static int __mt9t112_mcu_write(const struct i2c_client *client, | |
237 | u16 command, u16 data) | |
238 | { | |
239 | int ret; | |
240 | ||
241 | ret = __mt9t112_reg_write(client, 0x098E, command); | |
242 | if (ret < 0) | |
243 | return ret; | |
244 | ||
245 | return __mt9t112_reg_write(client, 0x0990, data); | |
246 | } | |
247 | ||
248 | static int __mt9t112_mcu_mask_set(const struct i2c_client *client, | |
249 | u16 command, | |
250 | u16 mask, | |
251 | u16 set) | |
252 | { | |
253 | int val = __mt9t112_mcu_read(client, command); | |
254 | if (val < 0) | |
255 | return val; | |
256 | ||
257 | val &= ~mask; | |
258 | val |= set & mask; | |
259 | ||
260 | return __mt9t112_mcu_write(client, command, val); | |
261 | } | |
262 | ||
263 | static int mt9t112_reset(const struct i2c_client *client) | |
264 | { | |
265 | int ret; | |
266 | ||
267 | mt9t112_reg_mask_set(ret, client, 0x001a, 0x0001, 0x0001); | |
268 | msleep(1); | |
269 | mt9t112_reg_mask_set(ret, client, 0x001a, 0x0001, 0x0000); | |
270 | ||
271 | return ret; | |
272 | } | |
273 | ||
274 | #ifndef EXT_CLOCK | |
275 | #define CLOCK_INFO(a, b) | |
276 | #else | |
277 | #define CLOCK_INFO(a, b) mt9t112_clock_info(a, b) | |
278 | static int mt9t112_clock_info(const struct i2c_client *client, u32 ext) | |
279 | { | |
280 | int m, n, p1, p2, p3, p4, p5, p6, p7; | |
281 | u32 vco, clk; | |
282 | char *enable; | |
283 | ||
284 | ext /= 1000; /* kbyte order */ | |
285 | ||
286 | mt9t112_reg_read(n, client, 0x0012); | |
287 | p1 = n & 0x000f; | |
288 | n = n >> 4; | |
289 | p2 = n & 0x000f; | |
290 | n = n >> 4; | |
291 | p3 = n & 0x000f; | |
292 | ||
293 | mt9t112_reg_read(n, client, 0x002a); | |
294 | p4 = n & 0x000f; | |
295 | n = n >> 4; | |
296 | p5 = n & 0x000f; | |
297 | n = n >> 4; | |
298 | p6 = n & 0x000f; | |
299 | ||
300 | mt9t112_reg_read(n, client, 0x002c); | |
301 | p7 = n & 0x000f; | |
302 | ||
303 | mt9t112_reg_read(n, client, 0x0010); | |
304 | m = n & 0x00ff; | |
305 | n = (n >> 8) & 0x003f; | |
306 | ||
307 | enable = ((6000 > ext) || (54000 < ext)) ? "X" : ""; | |
14178aa5 | 308 | dev_dbg(&client->dev, "EXTCLK : %10u K %s\n", ext, enable); |
858424b9 KM |
309 | |
310 | vco = 2 * m * ext / (n+1); | |
311 | enable = ((384000 > vco) || (768000 < vco)) ? "X" : ""; | |
14178aa5 | 312 | dev_dbg(&client->dev, "VCO : %10u K %s\n", vco, enable); |
858424b9 KM |
313 | |
314 | clk = vco / (p1+1) / (p2+1); | |
315 | enable = (96000 < clk) ? "X" : ""; | |
14178aa5 | 316 | dev_dbg(&client->dev, "PIXCLK : %10u K %s\n", clk, enable); |
858424b9 KM |
317 | |
318 | clk = vco / (p3+1); | |
319 | enable = (768000 < clk) ? "X" : ""; | |
14178aa5 | 320 | dev_dbg(&client->dev, "MIPICLK : %10u K %s\n", clk, enable); |
858424b9 KM |
321 | |
322 | clk = vco / (p6+1); | |
323 | enable = (96000 < clk) ? "X" : ""; | |
14178aa5 | 324 | dev_dbg(&client->dev, "MCU CLK : %10u K %s\n", clk, enable); |
858424b9 KM |
325 | |
326 | clk = vco / (p5+1); | |
327 | enable = (54000 < clk) ? "X" : ""; | |
14178aa5 | 328 | dev_dbg(&client->dev, "SOC CLK : %10u K %s\n", clk, enable); |
858424b9 KM |
329 | |
330 | clk = vco / (p4+1); | |
331 | enable = (70000 < clk) ? "X" : ""; | |
14178aa5 | 332 | dev_dbg(&client->dev, "Sensor CLK : %10u K %s\n", clk, enable); |
858424b9 KM |
333 | |
334 | clk = vco / (p7+1); | |
14178aa5 | 335 | dev_dbg(&client->dev, "External sensor : %10u K\n", clk); |
858424b9 KM |
336 | |
337 | clk = ext / (n+1); | |
338 | enable = ((2000 > clk) || (24000 < clk)) ? "X" : ""; | |
14178aa5 | 339 | dev_dbg(&client->dev, "PFD : %10u K %s\n", clk, enable); |
858424b9 KM |
340 | |
341 | return 0; | |
342 | } | |
343 | #endif | |
344 | ||
377c9ba7 | 345 | static void mt9t112_frame_check(u32 *width, u32 *height, u32 *left, u32 *top) |
858424b9 | 346 | { |
377c9ba7 GL |
347 | soc_camera_limit_side(left, width, 0, 0, MAX_WIDTH); |
348 | soc_camera_limit_side(top, height, 0, 0, MAX_HEIGHT); | |
858424b9 KM |
349 | } |
350 | ||
351 | static int mt9t112_set_a_frame_size(const struct i2c_client *client, | |
352 | u16 width, | |
353 | u16 height) | |
354 | { | |
355 | int ret; | |
356 | u16 wstart = (MAX_WIDTH - width) / 2; | |
357 | u16 hstart = (MAX_HEIGHT - height) / 2; | |
358 | ||
359 | /* (Context A) Image Width/Height */ | |
360 | mt9t112_mcu_write(ret, client, VAR(26, 0), width); | |
361 | mt9t112_mcu_write(ret, client, VAR(26, 2), height); | |
362 | ||
363 | /* (Context A) Output Width/Height */ | |
364 | mt9t112_mcu_write(ret, client, VAR(18, 43), 8 + width); | |
365 | mt9t112_mcu_write(ret, client, VAR(18, 45), 8 + height); | |
366 | ||
367 | /* (Context A) Start Row/Column */ | |
368 | mt9t112_mcu_write(ret, client, VAR(18, 2), 4 + hstart); | |
369 | mt9t112_mcu_write(ret, client, VAR(18, 4), 4 + wstart); | |
370 | ||
371 | /* (Context A) End Row/Column */ | |
372 | mt9t112_mcu_write(ret, client, VAR(18, 6), 11 + height + hstart); | |
373 | mt9t112_mcu_write(ret, client, VAR(18, 8), 11 + width + wstart); | |
374 | ||
375 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06); | |
376 | ||
377 | return ret; | |
378 | } | |
379 | ||
380 | static int mt9t112_set_pll_dividers(const struct i2c_client *client, | |
381 | u8 m, u8 n, | |
382 | u8 p1, u8 p2, u8 p3, | |
383 | u8 p4, u8 p5, u8 p6, | |
384 | u8 p7) | |
385 | { | |
386 | int ret; | |
387 | u16 val; | |
388 | ||
389 | /* N/M */ | |
390 | val = (n << 8) | | |
391 | (m << 0); | |
392 | mt9t112_reg_mask_set(ret, client, 0x0010, 0x3fff, val); | |
393 | ||
394 | /* P1/P2/P3 */ | |
395 | val = ((p3 & 0x0F) << 8) | | |
396 | ((p2 & 0x0F) << 4) | | |
397 | ((p1 & 0x0F) << 0); | |
398 | mt9t112_reg_mask_set(ret, client, 0x0012, 0x0fff, val); | |
399 | ||
400 | /* P4/P5/P6 */ | |
401 | val = (0x7 << 12) | | |
402 | ((p6 & 0x0F) << 8) | | |
403 | ((p5 & 0x0F) << 4) | | |
404 | ((p4 & 0x0F) << 0); | |
405 | mt9t112_reg_mask_set(ret, client, 0x002A, 0x7fff, val); | |
406 | ||
407 | /* P7 */ | |
408 | val = (0x1 << 12) | | |
409 | ((p7 & 0x0F) << 0); | |
410 | mt9t112_reg_mask_set(ret, client, 0x002C, 0x100f, val); | |
411 | ||
412 | return ret; | |
413 | } | |
414 | ||
415 | static int mt9t112_init_pll(const struct i2c_client *client) | |
416 | { | |
417 | struct mt9t112_priv *priv = to_mt9t112(client); | |
418 | int data, i, ret; | |
419 | ||
420 | mt9t112_reg_mask_set(ret, client, 0x0014, 0x003, 0x0001); | |
421 | ||
422 | /* PLL control: BYPASS PLL = 8517 */ | |
423 | mt9t112_reg_write(ret, client, 0x0014, 0x2145); | |
424 | ||
425 | /* Replace these registers when new timing parameters are generated */ | |
426 | mt9t112_set_pll_dividers(client, | |
427 | priv->info->divider.m, | |
428 | priv->info->divider.n, | |
429 | priv->info->divider.p1, | |
430 | priv->info->divider.p2, | |
431 | priv->info->divider.p3, | |
432 | priv->info->divider.p4, | |
433 | priv->info->divider.p5, | |
434 | priv->info->divider.p6, | |
435 | priv->info->divider.p7); | |
436 | ||
437 | /* | |
438 | * TEST_BYPASS on | |
439 | * PLL_ENABLE on | |
440 | * SEL_LOCK_DET on | |
441 | * TEST_BYPASS off | |
442 | */ | |
443 | mt9t112_reg_write(ret, client, 0x0014, 0x2525); | |
444 | mt9t112_reg_write(ret, client, 0x0014, 0x2527); | |
445 | mt9t112_reg_write(ret, client, 0x0014, 0x3427); | |
446 | mt9t112_reg_write(ret, client, 0x0014, 0x3027); | |
447 | ||
448 | mdelay(10); | |
449 | ||
450 | /* | |
451 | * PLL_BYPASS off | |
452 | * Reference clock count | |
453 | * I2C Master Clock Divider | |
454 | */ | |
455 | mt9t112_reg_write(ret, client, 0x0014, 0x3046); | |
456 | mt9t112_reg_write(ret, client, 0x0022, 0x0190); | |
457 | mt9t112_reg_write(ret, client, 0x3B84, 0x0212); | |
458 | ||
459 | /* External sensor clock is PLL bypass */ | |
460 | mt9t112_reg_write(ret, client, 0x002E, 0x0500); | |
461 | ||
462 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0002, 0x0002); | |
463 | mt9t112_reg_mask_set(ret, client, 0x3B82, 0x0004, 0x0004); | |
464 | ||
465 | /* MCU disabled */ | |
466 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0004, 0x0004); | |
467 | ||
468 | /* out of standby */ | |
469 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0001, 0); | |
470 | ||
471 | mdelay(50); | |
472 | ||
473 | /* | |
474 | * Standby Workaround | |
475 | * Disable Secondary I2C Pads | |
476 | */ | |
477 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | |
478 | mdelay(1); | |
479 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | |
480 | mdelay(1); | |
481 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | |
482 | mdelay(1); | |
483 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | |
484 | mdelay(1); | |
485 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | |
486 | mdelay(1); | |
487 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | |
488 | mdelay(1); | |
489 | ||
490 | /* poll to verify out of standby. Must Poll this bit */ | |
491 | for (i = 0; i < 100; i++) { | |
492 | mt9t112_reg_read(data, client, 0x0018); | |
2b59125b | 493 | if (!(0x4000 & data)) |
858424b9 KM |
494 | break; |
495 | ||
496 | mdelay(10); | |
497 | } | |
498 | ||
499 | return ret; | |
500 | } | |
501 | ||
502 | static int mt9t112_init_setting(const struct i2c_client *client) | |
503 | { | |
504 | ||
505 | int ret; | |
506 | ||
507 | /* Adaptive Output Clock (A) */ | |
508 | mt9t112_mcu_mask_set(ret, client, VAR(26, 160), 0x0040, 0x0000); | |
509 | ||
510 | /* Read Mode (A) */ | |
511 | mt9t112_mcu_write(ret, client, VAR(18, 12), 0x0024); | |
512 | ||
513 | /* Fine Correction (A) */ | |
514 | mt9t112_mcu_write(ret, client, VAR(18, 15), 0x00CC); | |
515 | ||
516 | /* Fine IT Min (A) */ | |
517 | mt9t112_mcu_write(ret, client, VAR(18, 17), 0x01f1); | |
518 | ||
519 | /* Fine IT Max Margin (A) */ | |
520 | mt9t112_mcu_write(ret, client, VAR(18, 19), 0x00fF); | |
521 | ||
522 | /* Base Frame Lines (A) */ | |
523 | mt9t112_mcu_write(ret, client, VAR(18, 29), 0x032D); | |
524 | ||
525 | /* Min Line Length (A) */ | |
526 | mt9t112_mcu_write(ret, client, VAR(18, 31), 0x073a); | |
527 | ||
528 | /* Line Length (A) */ | |
529 | mt9t112_mcu_write(ret, client, VAR(18, 37), 0x07d0); | |
530 | ||
531 | /* Adaptive Output Clock (B) */ | |
532 | mt9t112_mcu_mask_set(ret, client, VAR(27, 160), 0x0040, 0x0000); | |
533 | ||
534 | /* Row Start (B) */ | |
535 | mt9t112_mcu_write(ret, client, VAR(18, 74), 0x004); | |
536 | ||
537 | /* Column Start (B) */ | |
538 | mt9t112_mcu_write(ret, client, VAR(18, 76), 0x004); | |
539 | ||
540 | /* Row End (B) */ | |
541 | mt9t112_mcu_write(ret, client, VAR(18, 78), 0x60B); | |
542 | ||
543 | /* Column End (B) */ | |
544 | mt9t112_mcu_write(ret, client, VAR(18, 80), 0x80B); | |
545 | ||
546 | /* Fine Correction (B) */ | |
547 | mt9t112_mcu_write(ret, client, VAR(18, 87), 0x008C); | |
548 | ||
549 | /* Fine IT Min (B) */ | |
550 | mt9t112_mcu_write(ret, client, VAR(18, 89), 0x01F1); | |
551 | ||
552 | /* Fine IT Max Margin (B) */ | |
553 | mt9t112_mcu_write(ret, client, VAR(18, 91), 0x00FF); | |
554 | ||
555 | /* Base Frame Lines (B) */ | |
556 | mt9t112_mcu_write(ret, client, VAR(18, 101), 0x0668); | |
557 | ||
558 | /* Min Line Length (B) */ | |
559 | mt9t112_mcu_write(ret, client, VAR(18, 103), 0x0AF0); | |
560 | ||
561 | /* Line Length (B) */ | |
562 | mt9t112_mcu_write(ret, client, VAR(18, 109), 0x0AF0); | |
563 | ||
564 | /* | |
565 | * Flicker Dectection registers | |
566 | * This section should be replaced whenever new Timing file is generated | |
567 | * All the following registers need to be replaced | |
568 | * Following registers are generated from Register Wizard but user can | |
569 | * modify them. For detail see auto flicker detection tuning | |
570 | */ | |
571 | ||
572 | /* FD_FDPERIOD_SELECT */ | |
573 | mt9t112_mcu_write(ret, client, VAR8(8, 5), 0x01); | |
574 | ||
575 | /* PRI_B_CONFIG_FD_ALGO_RUN */ | |
576 | mt9t112_mcu_write(ret, client, VAR(27, 17), 0x0003); | |
577 | ||
578 | /* PRI_A_CONFIG_FD_ALGO_RUN */ | |
579 | mt9t112_mcu_write(ret, client, VAR(26, 17), 0x0003); | |
580 | ||
581 | /* | |
582 | * AFD range detection tuning registers | |
583 | */ | |
584 | ||
585 | /* search_f1_50 */ | |
586 | mt9t112_mcu_write(ret, client, VAR8(18, 165), 0x25); | |
587 | ||
588 | /* search_f2_50 */ | |
589 | mt9t112_mcu_write(ret, client, VAR8(18, 166), 0x28); | |
590 | ||
591 | /* search_f1_60 */ | |
592 | mt9t112_mcu_write(ret, client, VAR8(18, 167), 0x2C); | |
593 | ||
594 | /* search_f2_60 */ | |
595 | mt9t112_mcu_write(ret, client, VAR8(18, 168), 0x2F); | |
596 | ||
597 | /* period_50Hz (A) */ | |
598 | mt9t112_mcu_write(ret, client, VAR8(18, 68), 0xBA); | |
599 | ||
600 | /* secret register by aptina */ | |
601 | /* period_50Hz (A MSB) */ | |
602 | mt9t112_mcu_write(ret, client, VAR8(18, 303), 0x00); | |
603 | ||
604 | /* period_60Hz (A) */ | |
605 | mt9t112_mcu_write(ret, client, VAR8(18, 69), 0x9B); | |
606 | ||
607 | /* secret register by aptina */ | |
608 | /* period_60Hz (A MSB) */ | |
609 | mt9t112_mcu_write(ret, client, VAR8(18, 301), 0x00); | |
610 | ||
611 | /* period_50Hz (B) */ | |
612 | mt9t112_mcu_write(ret, client, VAR8(18, 140), 0x82); | |
613 | ||
614 | /* secret register by aptina */ | |
615 | /* period_50Hz (B) MSB */ | |
616 | mt9t112_mcu_write(ret, client, VAR8(18, 304), 0x00); | |
617 | ||
618 | /* period_60Hz (B) */ | |
619 | mt9t112_mcu_write(ret, client, VAR8(18, 141), 0x6D); | |
620 | ||
621 | /* secret register by aptina */ | |
622 | /* period_60Hz (B) MSB */ | |
623 | mt9t112_mcu_write(ret, client, VAR8(18, 302), 0x00); | |
624 | ||
625 | /* FD Mode */ | |
626 | mt9t112_mcu_write(ret, client, VAR8(8, 2), 0x10); | |
627 | ||
628 | /* Stat_min */ | |
629 | mt9t112_mcu_write(ret, client, VAR8(8, 9), 0x02); | |
630 | ||
631 | /* Stat_max */ | |
632 | mt9t112_mcu_write(ret, client, VAR8(8, 10), 0x03); | |
633 | ||
634 | /* Min_amplitude */ | |
635 | mt9t112_mcu_write(ret, client, VAR8(8, 12), 0x0A); | |
636 | ||
637 | /* RX FIFO Watermark (A) */ | |
638 | mt9t112_mcu_write(ret, client, VAR(18, 70), 0x0014); | |
639 | ||
640 | /* RX FIFO Watermark (B) */ | |
641 | mt9t112_mcu_write(ret, client, VAR(18, 142), 0x0014); | |
642 | ||
643 | /* MCLK: 16MHz | |
644 | * PCLK: 73MHz | |
645 | * CorePixCLK: 36.5 MHz | |
646 | */ | |
647 | mt9t112_mcu_write(ret, client, VAR8(18, 0x0044), 133); | |
648 | mt9t112_mcu_write(ret, client, VAR8(18, 0x0045), 110); | |
649 | mt9t112_mcu_write(ret, client, VAR8(18, 0x008c), 130); | |
650 | mt9t112_mcu_write(ret, client, VAR8(18, 0x008d), 108); | |
651 | ||
652 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00A5), 27); | |
653 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00a6), 30); | |
654 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00a7), 32); | |
655 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00a8), 35); | |
656 | ||
657 | return ret; | |
658 | } | |
659 | ||
660 | static int mt9t112_auto_focus_setting(const struct i2c_client *client) | |
661 | { | |
662 | int ret; | |
663 | ||
664 | mt9t112_mcu_write(ret, client, VAR(12, 13), 0x000F); | |
665 | mt9t112_mcu_write(ret, client, VAR(12, 23), 0x0F0F); | |
666 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06); | |
667 | ||
668 | mt9t112_reg_write(ret, client, 0x0614, 0x0000); | |
669 | ||
670 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x05); | |
671 | mt9t112_mcu_write(ret, client, VAR8(12, 2), 0x02); | |
672 | mt9t112_mcu_write(ret, client, VAR(12, 3), 0x0002); | |
673 | mt9t112_mcu_write(ret, client, VAR(17, 3), 0x8001); | |
674 | mt9t112_mcu_write(ret, client, VAR(17, 11), 0x0025); | |
675 | mt9t112_mcu_write(ret, client, VAR(17, 13), 0x0193); | |
676 | mt9t112_mcu_write(ret, client, VAR8(17, 33), 0x18); | |
677 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x05); | |
678 | ||
679 | return ret; | |
680 | } | |
681 | ||
682 | static int mt9t112_auto_focus_trigger(const struct i2c_client *client) | |
683 | { | |
684 | int ret; | |
685 | ||
686 | mt9t112_mcu_write(ret, client, VAR8(12, 25), 0x01); | |
687 | ||
688 | return ret; | |
689 | } | |
690 | ||
691 | static int mt9t112_init_camera(const struct i2c_client *client) | |
692 | { | |
693 | int ret; | |
694 | ||
695 | ECHECKER(ret, mt9t112_reset(client)); | |
696 | ||
697 | ECHECKER(ret, mt9t112_init_pll(client)); | |
698 | ||
699 | ECHECKER(ret, mt9t112_init_setting(client)); | |
700 | ||
701 | ECHECKER(ret, mt9t112_auto_focus_setting(client)); | |
702 | ||
703 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0004, 0); | |
704 | ||
705 | /* Analog setting B */ | |
706 | mt9t112_reg_write(ret, client, 0x3084, 0x2409); | |
707 | mt9t112_reg_write(ret, client, 0x3092, 0x0A49); | |
708 | mt9t112_reg_write(ret, client, 0x3094, 0x4949); | |
709 | mt9t112_reg_write(ret, client, 0x3096, 0x4950); | |
710 | ||
711 | /* | |
712 | * Disable adaptive clock | |
713 | * PRI_A_CONFIG_JPEG_OB_TX_CONTROL_VAR | |
714 | * PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR | |
715 | */ | |
716 | mt9t112_mcu_write(ret, client, VAR(26, 160), 0x0A2E); | |
717 | mt9t112_mcu_write(ret, client, VAR(27, 160), 0x0A2E); | |
718 | ||
719 | /* Configure STatus in Status_before_length Format and enable header */ | |
720 | /* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR */ | |
721 | mt9t112_mcu_write(ret, client, VAR(27, 144), 0x0CB4); | |
722 | ||
723 | /* Enable JPEG in context B */ | |
724 | /* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR */ | |
725 | mt9t112_mcu_write(ret, client, VAR8(27, 142), 0x01); | |
726 | ||
727 | /* Disable Dac_TXLO */ | |
728 | mt9t112_reg_write(ret, client, 0x316C, 0x350F); | |
729 | ||
730 | /* Set max slew rates */ | |
731 | mt9t112_reg_write(ret, client, 0x1E, 0x777); | |
732 | ||
733 | return ret; | |
734 | } | |
735 | ||
858424b9 | 736 | /************************************************************************ |
858424b9 | 737 | v4l2_subdev_core_ops |
858424b9 KM |
738 | ************************************************************************/ |
739 | static int mt9t112_g_chip_ident(struct v4l2_subdev *sd, | |
740 | struct v4l2_dbg_chip_ident *id) | |
741 | { | |
c4ce6d14 | 742 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
858424b9 KM |
743 | struct mt9t112_priv *priv = to_mt9t112(client); |
744 | ||
745 | id->ident = priv->model; | |
746 | id->revision = 0; | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
751 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
752 | static int mt9t112_g_register(struct v4l2_subdev *sd, | |
753 | struct v4l2_dbg_register *reg) | |
754 | { | |
c4ce6d14 | 755 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
858424b9 KM |
756 | int ret; |
757 | ||
758 | reg->size = 2; | |
759 | mt9t112_reg_read(ret, client, reg->reg); | |
760 | ||
761 | reg->val = (__u64)ret; | |
762 | ||
763 | return 0; | |
764 | } | |
765 | ||
766 | static int mt9t112_s_register(struct v4l2_subdev *sd, | |
767 | struct v4l2_dbg_register *reg) | |
768 | { | |
c4ce6d14 | 769 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
858424b9 KM |
770 | int ret; |
771 | ||
772 | mt9t112_reg_write(ret, client, reg->reg, reg->val); | |
773 | ||
774 | return ret; | |
775 | } | |
776 | #endif | |
777 | ||
778 | static struct v4l2_subdev_core_ops mt9t112_subdev_core_ops = { | |
779 | .g_chip_ident = mt9t112_g_chip_ident, | |
780 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
781 | .g_register = mt9t112_g_register, | |
782 | .s_register = mt9t112_s_register, | |
783 | #endif | |
784 | }; | |
785 | ||
786 | ||
787 | /************************************************************************ | |
858424b9 | 788 | v4l2_subdev_video_ops |
858424b9 KM |
789 | ************************************************************************/ |
790 | static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable) | |
791 | { | |
c4ce6d14 | 792 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
858424b9 KM |
793 | struct mt9t112_priv *priv = to_mt9t112(client); |
794 | int ret = 0; | |
795 | ||
796 | if (!enable) { | |
797 | /* FIXME | |
798 | * | |
799 | * If user selected large output size, | |
800 | * and used it long time, | |
801 | * mt9t112 camera will be very warm. | |
802 | * | |
803 | * But current driver can not stop mt9t112 camera. | |
804 | * So, set small size here to solve this problem. | |
805 | */ | |
806 | mt9t112_set_a_frame_size(client, VGA_WIDTH, VGA_HEIGHT); | |
807 | return ret; | |
808 | } | |
809 | ||
810 | if (!(priv->flags & INIT_DONE)) { | |
d46ebd46 | 811 | u16 param = PCLK_RISING & priv->flags ? 0x0001 : 0x0000; |
858424b9 KM |
812 | |
813 | ECHECKER(ret, mt9t112_init_camera(client)); | |
814 | ||
815 | /* Invert PCLK (Data sampled on falling edge of pixclk) */ | |
816 | mt9t112_reg_write(ret, client, 0x3C20, param); | |
817 | ||
818 | mdelay(5); | |
819 | ||
820 | priv->flags |= INIT_DONE; | |
821 | } | |
822 | ||
823 | mt9t112_mcu_write(ret, client, VAR(26, 7), priv->format->fmt); | |
824 | mt9t112_mcu_write(ret, client, VAR(26, 9), priv->format->order); | |
825 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06); | |
826 | ||
827 | mt9t112_set_a_frame_size(client, | |
828 | priv->frame.width, | |
829 | priv->frame.height); | |
830 | ||
831 | ECHECKER(ret, mt9t112_auto_focus_trigger(client)); | |
832 | ||
833 | dev_dbg(&client->dev, "format : %d\n", priv->format->code); | |
834 | dev_dbg(&client->dev, "size : %d x %d\n", | |
835 | priv->frame.width, | |
836 | priv->frame.height); | |
837 | ||
838 | CLOCK_INFO(client, EXT_CLOCK); | |
839 | ||
840 | return ret; | |
841 | } | |
842 | ||
377c9ba7 GL |
843 | static int mt9t112_set_params(struct mt9t112_priv *priv, |
844 | const struct v4l2_rect *rect, | |
858424b9 KM |
845 | enum v4l2_mbus_pixelcode code) |
846 | { | |
858424b9 KM |
847 | int i; |
848 | ||
858424b9 KM |
849 | /* |
850 | * get color format | |
851 | */ | |
852 | for (i = 0; i < ARRAY_SIZE(mt9t112_cfmts); i++) | |
853 | if (mt9t112_cfmts[i].code == code) | |
854 | break; | |
855 | ||
856 | if (i == ARRAY_SIZE(mt9t112_cfmts)) | |
857 | return -EINVAL; | |
858 | ||
377c9ba7 GL |
859 | priv->frame = *rect; |
860 | ||
861 | /* | |
862 | * frame size check | |
863 | */ | |
864 | mt9t112_frame_check(&priv->frame.width, &priv->frame.height, | |
865 | &priv->frame.left, &priv->frame.top); | |
858424b9 KM |
866 | |
867 | priv->format = mt9t112_cfmts + i; | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
872 | static int mt9t112_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | |
873 | { | |
874 | a->bounds.left = 0; | |
875 | a->bounds.top = 0; | |
377c9ba7 GL |
876 | a->bounds.width = MAX_WIDTH; |
877 | a->bounds.height = MAX_HEIGHT; | |
878 | a->defrect.left = 0; | |
879 | a->defrect.top = 0; | |
880 | a->defrect.width = VGA_WIDTH; | |
881 | a->defrect.height = VGA_HEIGHT; | |
858424b9 KM |
882 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
883 | a->pixelaspect.numerator = 1; | |
884 | a->pixelaspect.denominator = 1; | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
889 | static int mt9t112_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | |
890 | { | |
377c9ba7 GL |
891 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
892 | struct mt9t112_priv *priv = to_mt9t112(client); | |
893 | ||
894 | a->c = priv->frame; | |
895 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
858424b9 KM |
896 | |
897 | return 0; | |
898 | } | |
899 | ||
900 | static int mt9t112_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | |
901 | { | |
c4ce6d14 | 902 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
377c9ba7 | 903 | struct mt9t112_priv *priv = to_mt9t112(client); |
858424b9 KM |
904 | struct v4l2_rect *rect = &a->c; |
905 | ||
377c9ba7 | 906 | return mt9t112_set_params(priv, rect, priv->format->code); |
858424b9 KM |
907 | } |
908 | ||
909 | static int mt9t112_g_fmt(struct v4l2_subdev *sd, | |
910 | struct v4l2_mbus_framefmt *mf) | |
911 | { | |
c4ce6d14 | 912 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
858424b9 KM |
913 | struct mt9t112_priv *priv = to_mt9t112(client); |
914 | ||
858424b9 KM |
915 | mf->width = priv->frame.width; |
916 | mf->height = priv->frame.height; | |
377c9ba7 | 917 | mf->colorspace = priv->format->colorspace; |
858424b9 KM |
918 | mf->code = priv->format->code; |
919 | mf->field = V4L2_FIELD_NONE; | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
924 | static int mt9t112_s_fmt(struct v4l2_subdev *sd, | |
925 | struct v4l2_mbus_framefmt *mf) | |
926 | { | |
c4ce6d14 | 927 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
377c9ba7 GL |
928 | struct mt9t112_priv *priv = to_mt9t112(client); |
929 | struct v4l2_rect rect = { | |
930 | .width = mf->width, | |
931 | .height = mf->height, | |
932 | .left = priv->frame.left, | |
933 | .top = priv->frame.top, | |
934 | }; | |
935 | int ret; | |
936 | ||
937 | ret = mt9t112_set_params(priv, &rect, mf->code); | |
938 | ||
939 | if (!ret) | |
940 | mf->colorspace = priv->format->colorspace; | |
858424b9 | 941 | |
377c9ba7 | 942 | return ret; |
858424b9 KM |
943 | } |
944 | ||
945 | static int mt9t112_try_fmt(struct v4l2_subdev *sd, | |
946 | struct v4l2_mbus_framefmt *mf) | |
947 | { | |
377c9ba7 GL |
948 | unsigned int top, left; |
949 | int i; | |
950 | ||
951 | for (i = 0; i < ARRAY_SIZE(mt9t112_cfmts); i++) | |
952 | if (mt9t112_cfmts[i].code == mf->code) | |
953 | break; | |
954 | ||
955 | if (i == ARRAY_SIZE(mt9t112_cfmts)) { | |
956 | mf->code = V4L2_MBUS_FMT_UYVY8_2X8; | |
957 | mf->colorspace = V4L2_COLORSPACE_JPEG; | |
958 | } else { | |
959 | mf->colorspace = mt9t112_cfmts[i].colorspace; | |
960 | } | |
961 | ||
962 | mt9t112_frame_check(&mf->width, &mf->height, &left, &top); | |
858424b9 | 963 | |
858424b9 KM |
964 | mf->field = V4L2_FIELD_NONE; |
965 | ||
966 | return 0; | |
967 | } | |
968 | ||
3805f201 | 969 | static int mt9t112_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
858424b9 KM |
970 | enum v4l2_mbus_pixelcode *code) |
971 | { | |
3805f201 | 972 | if (index >= ARRAY_SIZE(mt9t112_cfmts)) |
858424b9 KM |
973 | return -EINVAL; |
974 | ||
975 | *code = mt9t112_cfmts[index].code; | |
377c9ba7 | 976 | |
858424b9 KM |
977 | return 0; |
978 | } | |
979 | ||
d46ebd46 GL |
980 | static int mt9t112_g_mbus_config(struct v4l2_subdev *sd, |
981 | struct v4l2_mbus_config *cfg) | |
982 | { | |
983 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
14178aa5 | 984 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
d46ebd46 GL |
985 | |
986 | cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_VSYNC_ACTIVE_HIGH | | |
987 | V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_DATA_ACTIVE_HIGH | | |
988 | V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING; | |
989 | cfg->type = V4L2_MBUS_PARALLEL; | |
990 | cfg->flags = soc_camera_apply_board_flags(icl, cfg); | |
991 | ||
992 | return 0; | |
993 | } | |
994 | ||
995 | static int mt9t112_s_mbus_config(struct v4l2_subdev *sd, | |
996 | const struct v4l2_mbus_config *cfg) | |
997 | { | |
998 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
14178aa5 | 999 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
d46ebd46 GL |
1000 | struct mt9t112_priv *priv = to_mt9t112(client); |
1001 | ||
1002 | if (soc_camera_apply_board_flags(icl, cfg) & V4L2_MBUS_PCLK_SAMPLE_RISING) | |
1003 | priv->flags |= PCLK_RISING; | |
1004 | ||
1005 | return 0; | |
1006 | } | |
1007 | ||
858424b9 KM |
1008 | static struct v4l2_subdev_video_ops mt9t112_subdev_video_ops = { |
1009 | .s_stream = mt9t112_s_stream, | |
1010 | .g_mbus_fmt = mt9t112_g_fmt, | |
1011 | .s_mbus_fmt = mt9t112_s_fmt, | |
1012 | .try_mbus_fmt = mt9t112_try_fmt, | |
1013 | .cropcap = mt9t112_cropcap, | |
1014 | .g_crop = mt9t112_g_crop, | |
1015 | .s_crop = mt9t112_s_crop, | |
1016 | .enum_mbus_fmt = mt9t112_enum_fmt, | |
d46ebd46 GL |
1017 | .g_mbus_config = mt9t112_g_mbus_config, |
1018 | .s_mbus_config = mt9t112_s_mbus_config, | |
858424b9 KM |
1019 | }; |
1020 | ||
1021 | /************************************************************************ | |
858424b9 | 1022 | i2c driver |
858424b9 KM |
1023 | ************************************************************************/ |
1024 | static struct v4l2_subdev_ops mt9t112_subdev_ops = { | |
1025 | .core = &mt9t112_subdev_core_ops, | |
1026 | .video = &mt9t112_subdev_video_ops, | |
1027 | }; | |
1028 | ||
14178aa5 | 1029 | static int mt9t112_camera_probe(struct i2c_client *client) |
858424b9 KM |
1030 | { |
1031 | struct mt9t112_priv *priv = to_mt9t112(client); | |
1032 | const char *devname; | |
1033 | int chipid; | |
1034 | ||
858424b9 KM |
1035 | /* |
1036 | * check and show chip ID | |
1037 | */ | |
1038 | mt9t112_reg_read(chipid, client, 0x0000); | |
1039 | ||
1040 | switch (chipid) { | |
1041 | case 0x2680: | |
1042 | devname = "mt9t111"; | |
1043 | priv->model = V4L2_IDENT_MT9T111; | |
1044 | break; | |
1045 | case 0x2682: | |
1046 | devname = "mt9t112"; | |
1047 | priv->model = V4L2_IDENT_MT9T112; | |
1048 | break; | |
1049 | default: | |
1050 | dev_err(&client->dev, "Product ID error %04x\n", chipid); | |
1051 | return -ENODEV; | |
1052 | } | |
1053 | ||
1054 | dev_info(&client->dev, "%s chip ID %04x\n", devname, chipid); | |
1055 | ||
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | static int mt9t112_probe(struct i2c_client *client, | |
1060 | const struct i2c_device_id *did) | |
1061 | { | |
377c9ba7 | 1062 | struct mt9t112_priv *priv; |
14178aa5 | 1063 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
377c9ba7 GL |
1064 | struct v4l2_rect rect = { |
1065 | .width = VGA_WIDTH, | |
1066 | .height = VGA_HEIGHT, | |
1067 | .left = (MAX_WIDTH - VGA_WIDTH) / 2, | |
1068 | .top = (MAX_HEIGHT - VGA_HEIGHT) / 2, | |
1069 | }; | |
1070 | int ret; | |
858424b9 | 1071 | |
14178aa5 GL |
1072 | if (!icl || !icl->priv) { |
1073 | dev_err(&client->dev, "mt9t112: missing platform data!\n"); | |
858424b9 KM |
1074 | return -EINVAL; |
1075 | } | |
1076 | ||
858424b9 KM |
1077 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
1078 | if (!priv) | |
1079 | return -ENOMEM; | |
1080 | ||
1081 | priv->info = icl->priv; | |
1082 | ||
1083 | v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops); | |
1084 | ||
14178aa5 | 1085 | ret = mt9t112_camera_probe(client); |
ff513458 | 1086 | if (ret) |
858424b9 | 1087 | kfree(priv); |
858424b9 | 1088 | |
377c9ba7 GL |
1089 | /* Cannot fail: using the default supported pixel code */ |
1090 | mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8); | |
1091 | ||
858424b9 KM |
1092 | return ret; |
1093 | } | |
1094 | ||
1095 | static int mt9t112_remove(struct i2c_client *client) | |
1096 | { | |
1097 | struct mt9t112_priv *priv = to_mt9t112(client); | |
858424b9 | 1098 | |
858424b9 KM |
1099 | kfree(priv); |
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | static const struct i2c_device_id mt9t112_id[] = { | |
1104 | { "mt9t112", 0 }, | |
1105 | { } | |
1106 | }; | |
1107 | MODULE_DEVICE_TABLE(i2c, mt9t112_id); | |
1108 | ||
1109 | static struct i2c_driver mt9t112_i2c_driver = { | |
1110 | .driver = { | |
1111 | .name = "mt9t112", | |
1112 | }, | |
1113 | .probe = mt9t112_probe, | |
1114 | .remove = mt9t112_remove, | |
1115 | .id_table = mt9t112_id, | |
1116 | }; | |
1117 | ||
1118 | /************************************************************************ | |
858424b9 | 1119 | module function |
858424b9 KM |
1120 | ************************************************************************/ |
1121 | static int __init mt9t112_module_init(void) | |
1122 | { | |
1123 | return i2c_add_driver(&mt9t112_i2c_driver); | |
1124 | } | |
1125 | ||
1126 | static void __exit mt9t112_module_exit(void) | |
1127 | { | |
1128 | i2c_del_driver(&mt9t112_i2c_driver); | |
1129 | } | |
1130 | ||
1131 | module_init(mt9t112_module_init); | |
1132 | module_exit(mt9t112_module_exit); | |
1133 | ||
1134 | MODULE_DESCRIPTION("SoC Camera driver for mt9t112"); | |
1135 | MODULE_AUTHOR("Kuninori Morimoto"); | |
1136 | MODULE_LICENSE("GPL v2"); |