diff options
author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2009-12-11 09:53:55 -0500 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-16 06:27:41 -0500 |
commit | 858424b998ae112b2e04f4584bcdc6b0362a714a (patch) | |
tree | cda123b6561a3b374ea474874ec3df33c88c55e7 /drivers/media | |
parent | 70da92e5740a6ab8bfe0db826c345c85e795f109 (diff) |
V4L/DVB (13670): soc-camera: Add mt9t112 camera driver
create mode 100644 drivers/media/video/mt9t112.c
create mode 100644 include/media/mt9t112.h
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/video/Kconfig | 6 | ||||
-rw-r--r-- | drivers/media/video/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/video/mt9t112.c | 1177 |
3 files changed, 1184 insertions, 0 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index f63909d9c70b..2f83be766d9f 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig | |||
@@ -836,6 +836,12 @@ config SOC_CAMERA_MT9T031 | |||
836 | help | 836 | help |
837 | This driver supports MT9T031 cameras from Micron. | 837 | This driver supports MT9T031 cameras from Micron. |
838 | 838 | ||
839 | config SOC_CAMERA_MT9T112 | ||
840 | tristate "mt9t112 support" | ||
841 | depends on SOC_CAMERA && I2C | ||
842 | help | ||
843 | This driver supports MT9T112 cameras from Aptina. | ||
844 | |||
839 | config SOC_CAMERA_MT9V022 | 845 | config SOC_CAMERA_MT9V022 |
840 | tristate "mt9v022 support" | 846 | tristate "mt9v022 support" |
841 | depends on SOC_CAMERA && I2C | 847 | depends on SOC_CAMERA && I2C |
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index e7bc8daae064..2af68ee84122 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile | |||
@@ -75,6 +75,7 @@ obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o | |||
75 | obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o | 75 | obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o |
76 | obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o | 76 | obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o |
77 | obj-$(CONFIG_SOC_CAMERA_MT9T031) += mt9t031.o | 77 | obj-$(CONFIG_SOC_CAMERA_MT9T031) += mt9t031.o |
78 | obj-$(CONFIG_SOC_CAMERA_MT9T112) += mt9t112.o | ||
78 | obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o | 79 | obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o |
79 | obj-$(CONFIG_SOC_CAMERA_OV772X) += ov772x.o | 80 | obj-$(CONFIG_SOC_CAMERA_OV772X) += ov772x.o |
80 | obj-$(CONFIG_SOC_CAMERA_OV9640) += ov9640.o | 81 | obj-$(CONFIG_SOC_CAMERA_OV9640) += ov9640.o |
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c new file mode 100644 index 000000000000..fc4dd6045720 --- /dev/null +++ b/drivers/media/video/mt9t112.c | |||
@@ -0,0 +1,1177 @@ | |||
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> | ||
25 | #include <linux/videodev2.h> | ||
26 | |||
27 | #include <media/mt9t112.h> | ||
28 | #include <media/soc_camera.h> | ||
29 | #include <media/soc_mediabus.h> | ||
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 | /************************************************************************ | ||
37 | |||
38 | |||
39 | macro | ||
40 | |||
41 | |||
42 | ************************************************************************/ | ||
43 | /* | ||
44 | * frame size | ||
45 | */ | ||
46 | #define MAX_WIDTH 2048 | ||
47 | #define MAX_HEIGHT 1536 | ||
48 | |||
49 | #define VGA_WIDTH 640 | ||
50 | #define VGA_HEIGHT 480 | ||
51 | |||
52 | /* | ||
53 | * macro of read/write | ||
54 | */ | ||
55 | #define ECHECKER(ret, x) \ | ||
56 | do { \ | ||
57 | (ret) = (x); \ | ||
58 | if ((ret) < 0) \ | ||
59 | return (ret); \ | ||
60 | } while (0) | ||
61 | |||
62 | #define mt9t112_reg_write(ret, client, a, b) \ | ||
63 | ECHECKER(ret, __mt9t112_reg_write(client, a, b)) | ||
64 | #define mt9t112_mcu_write(ret, client, a, b) \ | ||
65 | ECHECKER(ret, __mt9t112_mcu_write(client, a, b)) | ||
66 | |||
67 | #define mt9t112_reg_mask_set(ret, client, a, b, c) \ | ||
68 | ECHECKER(ret, __mt9t112_reg_mask_set(client, a, b, c)) | ||
69 | #define mt9t112_mcu_mask_set(ret, client, a, b, c) \ | ||
70 | ECHECKER(ret, __mt9t112_mcu_mask_set(client, a, b, c)) | ||
71 | |||
72 | #define mt9t112_reg_read(ret, client, a) \ | ||
73 | ECHECKER(ret, __mt9t112_reg_read(client, a)) | ||
74 | |||
75 | /* | ||
76 | * Logical address | ||
77 | */ | ||
78 | #define _VAR(id, offset, base) (base | (id & 0x1f) << 10 | (offset & 0x3ff)) | ||
79 | #define VAR(id, offset) _VAR(id, offset, 0x0000) | ||
80 | #define VAR8(id, offset) _VAR(id, offset, 0x8000) | ||
81 | |||
82 | /************************************************************************ | ||
83 | |||
84 | |||
85 | struct | ||
86 | |||
87 | |||
88 | ************************************************************************/ | ||
89 | struct mt9t112_frame_size { | ||
90 | u16 width; | ||
91 | u16 height; | ||
92 | }; | ||
93 | |||
94 | struct mt9t112_format { | ||
95 | enum v4l2_mbus_pixelcode code; | ||
96 | enum v4l2_colorspace colorspace; | ||
97 | u16 fmt; | ||
98 | u16 order; | ||
99 | }; | ||
100 | |||
101 | struct mt9t112_priv { | ||
102 | struct v4l2_subdev subdev; | ||
103 | struct mt9t112_camera_info *info; | ||
104 | struct i2c_client *client; | ||
105 | struct soc_camera_device icd; | ||
106 | struct mt9t112_frame_size frame; | ||
107 | const struct mt9t112_format *format; | ||
108 | int model; | ||
109 | u32 flags; | ||
110 | /* for flags */ | ||
111 | #define INIT_DONE (1<<0) | ||
112 | }; | ||
113 | |||
114 | /************************************************************************ | ||
115 | |||
116 | |||
117 | supported format | ||
118 | |||
119 | |||
120 | ************************************************************************/ | ||
121 | |||
122 | static const struct mt9t112_format mt9t112_cfmts[] = { | ||
123 | { | ||
124 | .code = V4L2_MBUS_FMT_YUYV8_2X8_BE, | ||
125 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
126 | .fmt = 1, | ||
127 | .order = 0, | ||
128 | }, { | ||
129 | .code = V4L2_MBUS_FMT_YVYU8_2X8_BE, | ||
130 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
131 | .fmt = 1, | ||
132 | .order = 1, | ||
133 | }, { | ||
134 | .code = V4L2_MBUS_FMT_YUYV8_2X8_LE, | ||
135 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
136 | .fmt = 1, | ||
137 | .order = 2, | ||
138 | }, { | ||
139 | .code = V4L2_MBUS_FMT_YVYU8_2X8_LE, | ||
140 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
141 | .fmt = 1, | ||
142 | .order = 3, | ||
143 | }, { | ||
144 | .code = V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, | ||
145 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
146 | .fmt = 8, | ||
147 | .order = 2, | ||
148 | }, { | ||
149 | .code = V4L2_MBUS_FMT_RGB565_2X8_LE, | ||
150 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
151 | .fmt = 4, | ||
152 | .order = 2, | ||
153 | }, | ||
154 | }; | ||
155 | |||
156 | /************************************************************************ | ||
157 | |||
158 | |||
159 | general function | ||
160 | |||
161 | |||
162 | ************************************************************************/ | ||
163 | static struct mt9t112_priv *to_mt9t112(const struct i2c_client *client) | ||
164 | { | ||
165 | return container_of(i2c_get_clientdata(client), | ||
166 | struct mt9t112_priv, | ||
167 | subdev); | ||
168 | } | ||
169 | |||
170 | static int __mt9t112_reg_read(const struct i2c_client *client, u16 command) | ||
171 | { | ||
172 | struct i2c_msg msg[2]; | ||
173 | u8 buf[2]; | ||
174 | int ret; | ||
175 | |||
176 | command = swab16(command); | ||
177 | |||
178 | msg[0].addr = client->addr; | ||
179 | msg[0].flags = 0; | ||
180 | msg[0].len = 2; | ||
181 | msg[0].buf = (u8 *)&command; | ||
182 | |||
183 | msg[1].addr = client->addr; | ||
184 | msg[1].flags = I2C_M_RD; | ||
185 | msg[1].len = 2; | ||
186 | msg[1].buf = buf; | ||
187 | |||
188 | /* | ||
189 | * if return value of this function is < 0, | ||
190 | * it mean error. | ||
191 | * else, under 16bit is valid data. | ||
192 | */ | ||
193 | ret = i2c_transfer(client->adapter, msg, 2); | ||
194 | if (ret < 0) | ||
195 | return ret; | ||
196 | |||
197 | memcpy(&ret, buf, 2); | ||
198 | return swab16(ret); | ||
199 | } | ||
200 | |||
201 | static int __mt9t112_reg_write(const struct i2c_client *client, | ||
202 | u16 command, u16 data) | ||
203 | { | ||
204 | struct i2c_msg msg; | ||
205 | u8 buf[4]; | ||
206 | int ret; | ||
207 | |||
208 | command = swab16(command); | ||
209 | data = swab16(data); | ||
210 | |||
211 | memcpy(buf + 0, &command, 2); | ||
212 | memcpy(buf + 2, &data, 2); | ||
213 | |||
214 | msg.addr = client->addr; | ||
215 | msg.flags = 0; | ||
216 | msg.len = 4; | ||
217 | msg.buf = buf; | ||
218 | |||
219 | /* | ||
220 | * i2c_transfer return message length, | ||
221 | * but this function should return 0 if correct case | ||
222 | */ | ||
223 | ret = i2c_transfer(client->adapter, &msg, 1); | ||
224 | if (ret >= 0) | ||
225 | ret = 0; | ||
226 | |||
227 | return ret; | ||
228 | } | ||
229 | |||
230 | static int __mt9t112_reg_mask_set(const struct i2c_client *client, | ||
231 | u16 command, | ||
232 | u16 mask, | ||
233 | u16 set) | ||
234 | { | ||
235 | int val = __mt9t112_reg_read(client, command); | ||
236 | if (val < 0) | ||
237 | return val; | ||
238 | |||
239 | val &= ~mask; | ||
240 | val |= set & mask; | ||
241 | |||
242 | return __mt9t112_reg_write(client, command, val); | ||
243 | } | ||
244 | |||
245 | /* mcu access */ | ||
246 | static int __mt9t112_mcu_read(const struct i2c_client *client, u16 command) | ||
247 | { | ||
248 | int ret; | ||
249 | |||
250 | ret = __mt9t112_reg_write(client, 0x098E, command); | ||
251 | if (ret < 0) | ||
252 | return ret; | ||
253 | |||
254 | return __mt9t112_reg_read(client, 0x0990); | ||
255 | } | ||
256 | |||
257 | static int __mt9t112_mcu_write(const struct i2c_client *client, | ||
258 | u16 command, u16 data) | ||
259 | { | ||
260 | int ret; | ||
261 | |||
262 | ret = __mt9t112_reg_write(client, 0x098E, command); | ||
263 | if (ret < 0) | ||
264 | return ret; | ||
265 | |||
266 | return __mt9t112_reg_write(client, 0x0990, data); | ||
267 | } | ||
268 | |||
269 | static int __mt9t112_mcu_mask_set(const struct i2c_client *client, | ||
270 | u16 command, | ||
271 | u16 mask, | ||
272 | u16 set) | ||
273 | { | ||
274 | int val = __mt9t112_mcu_read(client, command); | ||
275 | if (val < 0) | ||
276 | return val; | ||
277 | |||
278 | val &= ~mask; | ||
279 | val |= set & mask; | ||
280 | |||
281 | return __mt9t112_mcu_write(client, command, val); | ||
282 | } | ||
283 | |||
284 | static int mt9t112_reset(const struct i2c_client *client) | ||
285 | { | ||
286 | int ret; | ||
287 | |||
288 | mt9t112_reg_mask_set(ret, client, 0x001a, 0x0001, 0x0001); | ||
289 | msleep(1); | ||
290 | mt9t112_reg_mask_set(ret, client, 0x001a, 0x0001, 0x0000); | ||
291 | |||
292 | return ret; | ||
293 | } | ||
294 | |||
295 | #ifndef EXT_CLOCK | ||
296 | #define CLOCK_INFO(a, b) | ||
297 | #else | ||
298 | #define CLOCK_INFO(a, b) mt9t112_clock_info(a, b) | ||
299 | static int mt9t112_clock_info(const struct i2c_client *client, u32 ext) | ||
300 | { | ||
301 | int m, n, p1, p2, p3, p4, p5, p6, p7; | ||
302 | u32 vco, clk; | ||
303 | char *enable; | ||
304 | |||
305 | ext /= 1000; /* kbyte order */ | ||
306 | |||
307 | mt9t112_reg_read(n, client, 0x0012); | ||
308 | p1 = n & 0x000f; | ||
309 | n = n >> 4; | ||
310 | p2 = n & 0x000f; | ||
311 | n = n >> 4; | ||
312 | p3 = n & 0x000f; | ||
313 | |||
314 | mt9t112_reg_read(n, client, 0x002a); | ||
315 | p4 = n & 0x000f; | ||
316 | n = n >> 4; | ||
317 | p5 = n & 0x000f; | ||
318 | n = n >> 4; | ||
319 | p6 = n & 0x000f; | ||
320 | |||
321 | mt9t112_reg_read(n, client, 0x002c); | ||
322 | p7 = n & 0x000f; | ||
323 | |||
324 | mt9t112_reg_read(n, client, 0x0010); | ||
325 | m = n & 0x00ff; | ||
326 | n = (n >> 8) & 0x003f; | ||
327 | |||
328 | enable = ((6000 > ext) || (54000 < ext)) ? "X" : ""; | ||
329 | dev_info(&client->dev, "EXTCLK : %10u K %s\n", ext, enable); | ||
330 | |||
331 | vco = 2 * m * ext / (n+1); | ||
332 | enable = ((384000 > vco) || (768000 < vco)) ? "X" : ""; | ||
333 | dev_info(&client->dev, "VCO : %10u K %s\n", vco, enable); | ||
334 | |||
335 | clk = vco / (p1+1) / (p2+1); | ||
336 | enable = (96000 < clk) ? "X" : ""; | ||
337 | dev_info(&client->dev, "PIXCLK : %10u K %s\n", clk, enable); | ||
338 | |||
339 | clk = vco / (p3+1); | ||
340 | enable = (768000 < clk) ? "X" : ""; | ||
341 | dev_info(&client->dev, "MIPICLK : %10u K %s\n", clk, enable); | ||
342 | |||
343 | clk = vco / (p6+1); | ||
344 | enable = (96000 < clk) ? "X" : ""; | ||
345 | dev_info(&client->dev, "MCU CLK : %10u K %s\n", clk, enable); | ||
346 | |||
347 | clk = vco / (p5+1); | ||
348 | enable = (54000 < clk) ? "X" : ""; | ||
349 | dev_info(&client->dev, "SOC CLK : %10u K %s\n", clk, enable); | ||
350 | |||
351 | clk = vco / (p4+1); | ||
352 | enable = (70000 < clk) ? "X" : ""; | ||
353 | dev_info(&client->dev, "Sensor CLK : %10u K %s\n", clk, enable); | ||
354 | |||
355 | clk = vco / (p7+1); | ||
356 | dev_info(&client->dev, "External sensor : %10u K\n", clk); | ||
357 | |||
358 | clk = ext / (n+1); | ||
359 | enable = ((2000 > clk) || (24000 < clk)) ? "X" : ""; | ||
360 | dev_info(&client->dev, "PFD : %10u K %s\n", clk, enable); | ||
361 | |||
362 | return 0; | ||
363 | } | ||
364 | #endif | ||
365 | |||
366 | static void mt9t112_frame_check(u32 *width, u32 *height) | ||
367 | { | ||
368 | if (*width > MAX_WIDTH) | ||
369 | *width = MAX_WIDTH; | ||
370 | |||
371 | if (*height > MAX_HEIGHT) | ||
372 | *height = MAX_HEIGHT; | ||
373 | } | ||
374 | |||
375 | static int mt9t112_set_a_frame_size(const struct i2c_client *client, | ||
376 | u16 width, | ||
377 | u16 height) | ||
378 | { | ||
379 | int ret; | ||
380 | u16 wstart = (MAX_WIDTH - width) / 2; | ||
381 | u16 hstart = (MAX_HEIGHT - height) / 2; | ||
382 | |||
383 | /* (Context A) Image Width/Height */ | ||
384 | mt9t112_mcu_write(ret, client, VAR(26, 0), width); | ||
385 | mt9t112_mcu_write(ret, client, VAR(26, 2), height); | ||
386 | |||
387 | /* (Context A) Output Width/Height */ | ||
388 | mt9t112_mcu_write(ret, client, VAR(18, 43), 8 + width); | ||
389 | mt9t112_mcu_write(ret, client, VAR(18, 45), 8 + height); | ||
390 | |||
391 | /* (Context A) Start Row/Column */ | ||
392 | mt9t112_mcu_write(ret, client, VAR(18, 2), 4 + hstart); | ||
393 | mt9t112_mcu_write(ret, client, VAR(18, 4), 4 + wstart); | ||
394 | |||
395 | /* (Context A) End Row/Column */ | ||
396 | mt9t112_mcu_write(ret, client, VAR(18, 6), 11 + height + hstart); | ||
397 | mt9t112_mcu_write(ret, client, VAR(18, 8), 11 + width + wstart); | ||
398 | |||
399 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06); | ||
400 | |||
401 | return ret; | ||
402 | } | ||
403 | |||
404 | static int mt9t112_set_pll_dividers(const struct i2c_client *client, | ||
405 | u8 m, u8 n, | ||
406 | u8 p1, u8 p2, u8 p3, | ||
407 | u8 p4, u8 p5, u8 p6, | ||
408 | u8 p7) | ||
409 | { | ||
410 | int ret; | ||
411 | u16 val; | ||
412 | |||
413 | /* N/M */ | ||
414 | val = (n << 8) | | ||
415 | (m << 0); | ||
416 | mt9t112_reg_mask_set(ret, client, 0x0010, 0x3fff, val); | ||
417 | |||
418 | /* P1/P2/P3 */ | ||
419 | val = ((p3 & 0x0F) << 8) | | ||
420 | ((p2 & 0x0F) << 4) | | ||
421 | ((p1 & 0x0F) << 0); | ||
422 | mt9t112_reg_mask_set(ret, client, 0x0012, 0x0fff, val); | ||
423 | |||
424 | /* P4/P5/P6 */ | ||
425 | val = (0x7 << 12) | | ||
426 | ((p6 & 0x0F) << 8) | | ||
427 | ((p5 & 0x0F) << 4) | | ||
428 | ((p4 & 0x0F) << 0); | ||
429 | mt9t112_reg_mask_set(ret, client, 0x002A, 0x7fff, val); | ||
430 | |||
431 | /* P7 */ | ||
432 | val = (0x1 << 12) | | ||
433 | ((p7 & 0x0F) << 0); | ||
434 | mt9t112_reg_mask_set(ret, client, 0x002C, 0x100f, val); | ||
435 | |||
436 | return ret; | ||
437 | } | ||
438 | |||
439 | static int mt9t112_init_pll(const struct i2c_client *client) | ||
440 | { | ||
441 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
442 | int data, i, ret; | ||
443 | |||
444 | mt9t112_reg_mask_set(ret, client, 0x0014, 0x003, 0x0001); | ||
445 | |||
446 | /* PLL control: BYPASS PLL = 8517 */ | ||
447 | mt9t112_reg_write(ret, client, 0x0014, 0x2145); | ||
448 | |||
449 | /* Replace these registers when new timing parameters are generated */ | ||
450 | mt9t112_set_pll_dividers(client, | ||
451 | priv->info->divider.m, | ||
452 | priv->info->divider.n, | ||
453 | priv->info->divider.p1, | ||
454 | priv->info->divider.p2, | ||
455 | priv->info->divider.p3, | ||
456 | priv->info->divider.p4, | ||
457 | priv->info->divider.p5, | ||
458 | priv->info->divider.p6, | ||
459 | priv->info->divider.p7); | ||
460 | |||
461 | /* | ||
462 | * TEST_BYPASS on | ||
463 | * PLL_ENABLE on | ||
464 | * SEL_LOCK_DET on | ||
465 | * TEST_BYPASS off | ||
466 | */ | ||
467 | mt9t112_reg_write(ret, client, 0x0014, 0x2525); | ||
468 | mt9t112_reg_write(ret, client, 0x0014, 0x2527); | ||
469 | mt9t112_reg_write(ret, client, 0x0014, 0x3427); | ||
470 | mt9t112_reg_write(ret, client, 0x0014, 0x3027); | ||
471 | |||
472 | mdelay(10); | ||
473 | |||
474 | /* | ||
475 | * PLL_BYPASS off | ||
476 | * Reference clock count | ||
477 | * I2C Master Clock Divider | ||
478 | */ | ||
479 | mt9t112_reg_write(ret, client, 0x0014, 0x3046); | ||
480 | mt9t112_reg_write(ret, client, 0x0022, 0x0190); | ||
481 | mt9t112_reg_write(ret, client, 0x3B84, 0x0212); | ||
482 | |||
483 | /* External sensor clock is PLL bypass */ | ||
484 | mt9t112_reg_write(ret, client, 0x002E, 0x0500); | ||
485 | |||
486 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0002, 0x0002); | ||
487 | mt9t112_reg_mask_set(ret, client, 0x3B82, 0x0004, 0x0004); | ||
488 | |||
489 | /* MCU disabled */ | ||
490 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0004, 0x0004); | ||
491 | |||
492 | /* out of standby */ | ||
493 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0001, 0); | ||
494 | |||
495 | mdelay(50); | ||
496 | |||
497 | /* | ||
498 | * Standby Workaround | ||
499 | * Disable Secondary I2C Pads | ||
500 | */ | ||
501 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | ||
502 | mdelay(1); | ||
503 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | ||
504 | mdelay(1); | ||
505 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | ||
506 | mdelay(1); | ||
507 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | ||
508 | mdelay(1); | ||
509 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | ||
510 | mdelay(1); | ||
511 | mt9t112_reg_write(ret, client, 0x0614, 0x0001); | ||
512 | mdelay(1); | ||
513 | |||
514 | /* poll to verify out of standby. Must Poll this bit */ | ||
515 | for (i = 0; i < 100; i++) { | ||
516 | mt9t112_reg_read(data, client, 0x0018); | ||
517 | if (0x4000 & data) | ||
518 | break; | ||
519 | |||
520 | mdelay(10); | ||
521 | } | ||
522 | |||
523 | return ret; | ||
524 | } | ||
525 | |||
526 | static int mt9t112_init_setting(const struct i2c_client *client) | ||
527 | { | ||
528 | |||
529 | int ret; | ||
530 | |||
531 | /* Adaptive Output Clock (A) */ | ||
532 | mt9t112_mcu_mask_set(ret, client, VAR(26, 160), 0x0040, 0x0000); | ||
533 | |||
534 | /* Read Mode (A) */ | ||
535 | mt9t112_mcu_write(ret, client, VAR(18, 12), 0x0024); | ||
536 | |||
537 | /* Fine Correction (A) */ | ||
538 | mt9t112_mcu_write(ret, client, VAR(18, 15), 0x00CC); | ||
539 | |||
540 | /* Fine IT Min (A) */ | ||
541 | mt9t112_mcu_write(ret, client, VAR(18, 17), 0x01f1); | ||
542 | |||
543 | /* Fine IT Max Margin (A) */ | ||
544 | mt9t112_mcu_write(ret, client, VAR(18, 19), 0x00fF); | ||
545 | |||
546 | /* Base Frame Lines (A) */ | ||
547 | mt9t112_mcu_write(ret, client, VAR(18, 29), 0x032D); | ||
548 | |||
549 | /* Min Line Length (A) */ | ||
550 | mt9t112_mcu_write(ret, client, VAR(18, 31), 0x073a); | ||
551 | |||
552 | /* Line Length (A) */ | ||
553 | mt9t112_mcu_write(ret, client, VAR(18, 37), 0x07d0); | ||
554 | |||
555 | /* Adaptive Output Clock (B) */ | ||
556 | mt9t112_mcu_mask_set(ret, client, VAR(27, 160), 0x0040, 0x0000); | ||
557 | |||
558 | /* Row Start (B) */ | ||
559 | mt9t112_mcu_write(ret, client, VAR(18, 74), 0x004); | ||
560 | |||
561 | /* Column Start (B) */ | ||
562 | mt9t112_mcu_write(ret, client, VAR(18, 76), 0x004); | ||
563 | |||
564 | /* Row End (B) */ | ||
565 | mt9t112_mcu_write(ret, client, VAR(18, 78), 0x60B); | ||
566 | |||
567 | /* Column End (B) */ | ||
568 | mt9t112_mcu_write(ret, client, VAR(18, 80), 0x80B); | ||
569 | |||
570 | /* Fine Correction (B) */ | ||
571 | mt9t112_mcu_write(ret, client, VAR(18, 87), 0x008C); | ||
572 | |||
573 | /* Fine IT Min (B) */ | ||
574 | mt9t112_mcu_write(ret, client, VAR(18, 89), 0x01F1); | ||
575 | |||
576 | /* Fine IT Max Margin (B) */ | ||
577 | mt9t112_mcu_write(ret, client, VAR(18, 91), 0x00FF); | ||
578 | |||
579 | /* Base Frame Lines (B) */ | ||
580 | mt9t112_mcu_write(ret, client, VAR(18, 101), 0x0668); | ||
581 | |||
582 | /* Min Line Length (B) */ | ||
583 | mt9t112_mcu_write(ret, client, VAR(18, 103), 0x0AF0); | ||
584 | |||
585 | /* Line Length (B) */ | ||
586 | mt9t112_mcu_write(ret, client, VAR(18, 109), 0x0AF0); | ||
587 | |||
588 | /* | ||
589 | * Flicker Dectection registers | ||
590 | * This section should be replaced whenever new Timing file is generated | ||
591 | * All the following registers need to be replaced | ||
592 | * Following registers are generated from Register Wizard but user can | ||
593 | * modify them. For detail see auto flicker detection tuning | ||
594 | */ | ||
595 | |||
596 | /* FD_FDPERIOD_SELECT */ | ||
597 | mt9t112_mcu_write(ret, client, VAR8(8, 5), 0x01); | ||
598 | |||
599 | /* PRI_B_CONFIG_FD_ALGO_RUN */ | ||
600 | mt9t112_mcu_write(ret, client, VAR(27, 17), 0x0003); | ||
601 | |||
602 | /* PRI_A_CONFIG_FD_ALGO_RUN */ | ||
603 | mt9t112_mcu_write(ret, client, VAR(26, 17), 0x0003); | ||
604 | |||
605 | /* | ||
606 | * AFD range detection tuning registers | ||
607 | */ | ||
608 | |||
609 | /* search_f1_50 */ | ||
610 | mt9t112_mcu_write(ret, client, VAR8(18, 165), 0x25); | ||
611 | |||
612 | /* search_f2_50 */ | ||
613 | mt9t112_mcu_write(ret, client, VAR8(18, 166), 0x28); | ||
614 | |||
615 | /* search_f1_60 */ | ||
616 | mt9t112_mcu_write(ret, client, VAR8(18, 167), 0x2C); | ||
617 | |||
618 | /* search_f2_60 */ | ||
619 | mt9t112_mcu_write(ret, client, VAR8(18, 168), 0x2F); | ||
620 | |||
621 | /* period_50Hz (A) */ | ||
622 | mt9t112_mcu_write(ret, client, VAR8(18, 68), 0xBA); | ||
623 | |||
624 | /* secret register by aptina */ | ||
625 | /* period_50Hz (A MSB) */ | ||
626 | mt9t112_mcu_write(ret, client, VAR8(18, 303), 0x00); | ||
627 | |||
628 | /* period_60Hz (A) */ | ||
629 | mt9t112_mcu_write(ret, client, VAR8(18, 69), 0x9B); | ||
630 | |||
631 | /* secret register by aptina */ | ||
632 | /* period_60Hz (A MSB) */ | ||
633 | mt9t112_mcu_write(ret, client, VAR8(18, 301), 0x00); | ||
634 | |||
635 | /* period_50Hz (B) */ | ||
636 | mt9t112_mcu_write(ret, client, VAR8(18, 140), 0x82); | ||
637 | |||
638 | /* secret register by aptina */ | ||
639 | /* period_50Hz (B) MSB */ | ||
640 | mt9t112_mcu_write(ret, client, VAR8(18, 304), 0x00); | ||
641 | |||
642 | /* period_60Hz (B) */ | ||
643 | mt9t112_mcu_write(ret, client, VAR8(18, 141), 0x6D); | ||
644 | |||
645 | /* secret register by aptina */ | ||
646 | /* period_60Hz (B) MSB */ | ||
647 | mt9t112_mcu_write(ret, client, VAR8(18, 302), 0x00); | ||
648 | |||
649 | /* FD Mode */ | ||
650 | mt9t112_mcu_write(ret, client, VAR8(8, 2), 0x10); | ||
651 | |||
652 | /* Stat_min */ | ||
653 | mt9t112_mcu_write(ret, client, VAR8(8, 9), 0x02); | ||
654 | |||
655 | /* Stat_max */ | ||
656 | mt9t112_mcu_write(ret, client, VAR8(8, 10), 0x03); | ||
657 | |||
658 | /* Min_amplitude */ | ||
659 | mt9t112_mcu_write(ret, client, VAR8(8, 12), 0x0A); | ||
660 | |||
661 | /* RX FIFO Watermark (A) */ | ||
662 | mt9t112_mcu_write(ret, client, VAR(18, 70), 0x0014); | ||
663 | |||
664 | /* RX FIFO Watermark (B) */ | ||
665 | mt9t112_mcu_write(ret, client, VAR(18, 142), 0x0014); | ||
666 | |||
667 | /* MCLK: 16MHz | ||
668 | * PCLK: 73MHz | ||
669 | * CorePixCLK: 36.5 MHz | ||
670 | */ | ||
671 | mt9t112_mcu_write(ret, client, VAR8(18, 0x0044), 133); | ||
672 | mt9t112_mcu_write(ret, client, VAR8(18, 0x0045), 110); | ||
673 | mt9t112_mcu_write(ret, client, VAR8(18, 0x008c), 130); | ||
674 | mt9t112_mcu_write(ret, client, VAR8(18, 0x008d), 108); | ||
675 | |||
676 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00A5), 27); | ||
677 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00a6), 30); | ||
678 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00a7), 32); | ||
679 | mt9t112_mcu_write(ret, client, VAR8(18, 0x00a8), 35); | ||
680 | |||
681 | return ret; | ||
682 | } | ||
683 | |||
684 | static int mt9t112_auto_focus_setting(const struct i2c_client *client) | ||
685 | { | ||
686 | int ret; | ||
687 | |||
688 | mt9t112_mcu_write(ret, client, VAR(12, 13), 0x000F); | ||
689 | mt9t112_mcu_write(ret, client, VAR(12, 23), 0x0F0F); | ||
690 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06); | ||
691 | |||
692 | mt9t112_reg_write(ret, client, 0x0614, 0x0000); | ||
693 | |||
694 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x05); | ||
695 | mt9t112_mcu_write(ret, client, VAR8(12, 2), 0x02); | ||
696 | mt9t112_mcu_write(ret, client, VAR(12, 3), 0x0002); | ||
697 | mt9t112_mcu_write(ret, client, VAR(17, 3), 0x8001); | ||
698 | mt9t112_mcu_write(ret, client, VAR(17, 11), 0x0025); | ||
699 | mt9t112_mcu_write(ret, client, VAR(17, 13), 0x0193); | ||
700 | mt9t112_mcu_write(ret, client, VAR8(17, 33), 0x18); | ||
701 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x05); | ||
702 | |||
703 | return ret; | ||
704 | } | ||
705 | |||
706 | static int mt9t112_auto_focus_trigger(const struct i2c_client *client) | ||
707 | { | ||
708 | int ret; | ||
709 | |||
710 | mt9t112_mcu_write(ret, client, VAR8(12, 25), 0x01); | ||
711 | |||
712 | return ret; | ||
713 | } | ||
714 | |||
715 | static int mt9t112_init_camera(const struct i2c_client *client) | ||
716 | { | ||
717 | int ret; | ||
718 | |||
719 | ECHECKER(ret, mt9t112_reset(client)); | ||
720 | |||
721 | ECHECKER(ret, mt9t112_init_pll(client)); | ||
722 | |||
723 | ECHECKER(ret, mt9t112_init_setting(client)); | ||
724 | |||
725 | ECHECKER(ret, mt9t112_auto_focus_setting(client)); | ||
726 | |||
727 | mt9t112_reg_mask_set(ret, client, 0x0018, 0x0004, 0); | ||
728 | |||
729 | /* Analog setting B */ | ||
730 | mt9t112_reg_write(ret, client, 0x3084, 0x2409); | ||
731 | mt9t112_reg_write(ret, client, 0x3092, 0x0A49); | ||
732 | mt9t112_reg_write(ret, client, 0x3094, 0x4949); | ||
733 | mt9t112_reg_write(ret, client, 0x3096, 0x4950); | ||
734 | |||
735 | /* | ||
736 | * Disable adaptive clock | ||
737 | * PRI_A_CONFIG_JPEG_OB_TX_CONTROL_VAR | ||
738 | * PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR | ||
739 | */ | ||
740 | mt9t112_mcu_write(ret, client, VAR(26, 160), 0x0A2E); | ||
741 | mt9t112_mcu_write(ret, client, VAR(27, 160), 0x0A2E); | ||
742 | |||
743 | /* Configure STatus in Status_before_length Format and enable header */ | ||
744 | /* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR */ | ||
745 | mt9t112_mcu_write(ret, client, VAR(27, 144), 0x0CB4); | ||
746 | |||
747 | /* Enable JPEG in context B */ | ||
748 | /* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR */ | ||
749 | mt9t112_mcu_write(ret, client, VAR8(27, 142), 0x01); | ||
750 | |||
751 | /* Disable Dac_TXLO */ | ||
752 | mt9t112_reg_write(ret, client, 0x316C, 0x350F); | ||
753 | |||
754 | /* Set max slew rates */ | ||
755 | mt9t112_reg_write(ret, client, 0x1E, 0x777); | ||
756 | |||
757 | return ret; | ||
758 | } | ||
759 | |||
760 | /************************************************************************ | ||
761 | |||
762 | |||
763 | soc_camera_ops | ||
764 | |||
765 | |||
766 | ************************************************************************/ | ||
767 | static int mt9t112_set_bus_param(struct soc_camera_device *icd, | ||
768 | unsigned long flags) | ||
769 | { | ||
770 | return 0; | ||
771 | } | ||
772 | |||
773 | static unsigned long mt9t112_query_bus_param(struct soc_camera_device *icd) | ||
774 | { | ||
775 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); | ||
776 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
777 | struct soc_camera_link *icl = to_soc_camera_link(icd); | ||
778 | unsigned long flags = SOCAM_MASTER | SOCAM_VSYNC_ACTIVE_HIGH | | ||
779 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_HIGH; | ||
780 | |||
781 | flags |= (priv->info->flags & MT9T112_FLAG_PCLK_RISING_EDGE) ? | ||
782 | SOCAM_PCLK_SAMPLE_RISING : SOCAM_PCLK_SAMPLE_FALLING; | ||
783 | |||
784 | if (priv->info->flags & MT9T112_FLAG_DATAWIDTH_8) | ||
785 | flags |= SOCAM_DATAWIDTH_8; | ||
786 | else | ||
787 | flags |= SOCAM_DATAWIDTH_10; | ||
788 | |||
789 | return soc_camera_apply_sensor_flags(icl, flags); | ||
790 | } | ||
791 | |||
792 | static struct soc_camera_ops mt9t112_ops = { | ||
793 | .set_bus_param = mt9t112_set_bus_param, | ||
794 | .query_bus_param = mt9t112_query_bus_param, | ||
795 | }; | ||
796 | |||
797 | /************************************************************************ | ||
798 | |||
799 | |||
800 | v4l2_subdev_core_ops | ||
801 | |||
802 | |||
803 | ************************************************************************/ | ||
804 | static int mt9t112_g_chip_ident(struct v4l2_subdev *sd, | ||
805 | struct v4l2_dbg_chip_ident *id) | ||
806 | { | ||
807 | struct i2c_client *client = sd->priv; | ||
808 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
809 | |||
810 | id->ident = priv->model; | ||
811 | id->revision = 0; | ||
812 | |||
813 | return 0; | ||
814 | } | ||
815 | |||
816 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
817 | static int mt9t112_g_register(struct v4l2_subdev *sd, | ||
818 | struct v4l2_dbg_register *reg) | ||
819 | { | ||
820 | struct i2c_client *client = sd->priv; | ||
821 | int ret; | ||
822 | |||
823 | reg->size = 2; | ||
824 | mt9t112_reg_read(ret, client, reg->reg); | ||
825 | |||
826 | reg->val = (__u64)ret; | ||
827 | |||
828 | return 0; | ||
829 | } | ||
830 | |||
831 | static int mt9t112_s_register(struct v4l2_subdev *sd, | ||
832 | struct v4l2_dbg_register *reg) | ||
833 | { | ||
834 | struct i2c_client *client = sd->priv; | ||
835 | int ret; | ||
836 | |||
837 | mt9t112_reg_write(ret, client, reg->reg, reg->val); | ||
838 | |||
839 | return ret; | ||
840 | } | ||
841 | #endif | ||
842 | |||
843 | static struct v4l2_subdev_core_ops mt9t112_subdev_core_ops = { | ||
844 | .g_chip_ident = mt9t112_g_chip_ident, | ||
845 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
846 | .g_register = mt9t112_g_register, | ||
847 | .s_register = mt9t112_s_register, | ||
848 | #endif | ||
849 | }; | ||
850 | |||
851 | |||
852 | /************************************************************************ | ||
853 | |||
854 | |||
855 | v4l2_subdev_video_ops | ||
856 | |||
857 | |||
858 | ************************************************************************/ | ||
859 | static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable) | ||
860 | { | ||
861 | struct i2c_client *client = sd->priv; | ||
862 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
863 | int ret = 0; | ||
864 | |||
865 | if (!enable) { | ||
866 | /* FIXME | ||
867 | * | ||
868 | * If user selected large output size, | ||
869 | * and used it long time, | ||
870 | * mt9t112 camera will be very warm. | ||
871 | * | ||
872 | * But current driver can not stop mt9t112 camera. | ||
873 | * So, set small size here to solve this problem. | ||
874 | */ | ||
875 | mt9t112_set_a_frame_size(client, VGA_WIDTH, VGA_HEIGHT); | ||
876 | return ret; | ||
877 | } | ||
878 | |||
879 | if (!(priv->flags & INIT_DONE)) { | ||
880 | u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE & | ||
881 | priv->info->flags) ? 0x0001 : 0x0000; | ||
882 | |||
883 | ECHECKER(ret, mt9t112_init_camera(client)); | ||
884 | |||
885 | /* Invert PCLK (Data sampled on falling edge of pixclk) */ | ||
886 | mt9t112_reg_write(ret, client, 0x3C20, param); | ||
887 | |||
888 | mdelay(5); | ||
889 | |||
890 | priv->flags |= INIT_DONE; | ||
891 | } | ||
892 | |||
893 | mt9t112_mcu_write(ret, client, VAR(26, 7), priv->format->fmt); | ||
894 | mt9t112_mcu_write(ret, client, VAR(26, 9), priv->format->order); | ||
895 | mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06); | ||
896 | |||
897 | mt9t112_set_a_frame_size(client, | ||
898 | priv->frame.width, | ||
899 | priv->frame.height); | ||
900 | |||
901 | ECHECKER(ret, mt9t112_auto_focus_trigger(client)); | ||
902 | |||
903 | dev_dbg(&client->dev, "format : %d\n", priv->format->code); | ||
904 | dev_dbg(&client->dev, "size : %d x %d\n", | ||
905 | priv->frame.width, | ||
906 | priv->frame.height); | ||
907 | |||
908 | CLOCK_INFO(client, EXT_CLOCK); | ||
909 | |||
910 | return ret; | ||
911 | } | ||
912 | |||
913 | static int mt9t112_set_params(struct i2c_client *client, u32 width, u32 height, | ||
914 | enum v4l2_mbus_pixelcode code) | ||
915 | { | ||
916 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
917 | int i; | ||
918 | |||
919 | priv->format = NULL; | ||
920 | |||
921 | /* | ||
922 | * frame size check | ||
923 | */ | ||
924 | mt9t112_frame_check(&width, &height); | ||
925 | |||
926 | /* | ||
927 | * get color format | ||
928 | */ | ||
929 | for (i = 0; i < ARRAY_SIZE(mt9t112_cfmts); i++) | ||
930 | if (mt9t112_cfmts[i].code == code) | ||
931 | break; | ||
932 | |||
933 | if (i == ARRAY_SIZE(mt9t112_cfmts)) | ||
934 | return -EINVAL; | ||
935 | |||
936 | priv->frame.width = (u16)width; | ||
937 | priv->frame.height = (u16)height; | ||
938 | |||
939 | priv->format = mt9t112_cfmts + i; | ||
940 | |||
941 | return 0; | ||
942 | } | ||
943 | |||
944 | static int mt9t112_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | ||
945 | { | ||
946 | a->bounds.left = 0; | ||
947 | a->bounds.top = 0; | ||
948 | a->bounds.width = VGA_WIDTH; | ||
949 | a->bounds.height = VGA_HEIGHT; | ||
950 | a->defrect = a->bounds; | ||
951 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | ||
952 | a->pixelaspect.numerator = 1; | ||
953 | a->pixelaspect.denominator = 1; | ||
954 | |||
955 | return 0; | ||
956 | } | ||
957 | |||
958 | static int mt9t112_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | ||
959 | { | ||
960 | a->c.left = 0; | ||
961 | a->c.top = 0; | ||
962 | a->c.width = VGA_WIDTH; | ||
963 | a->c.height = VGA_HEIGHT; | ||
964 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | ||
965 | |||
966 | return 0; | ||
967 | } | ||
968 | |||
969 | static int mt9t112_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | ||
970 | { | ||
971 | struct i2c_client *client = sd->priv; | ||
972 | struct v4l2_rect *rect = &a->c; | ||
973 | |||
974 | return mt9t112_set_params(client, rect->width, rect->height, | ||
975 | V4L2_MBUS_FMT_YUYV8_2X8_BE); | ||
976 | } | ||
977 | |||
978 | static int mt9t112_g_fmt(struct v4l2_subdev *sd, | ||
979 | struct v4l2_mbus_framefmt *mf) | ||
980 | { | ||
981 | struct i2c_client *client = sd->priv; | ||
982 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
983 | |||
984 | if (!priv->format) { | ||
985 | int ret = mt9t112_set_params(client, VGA_WIDTH, VGA_HEIGHT, | ||
986 | V4L2_MBUS_FMT_YUYV8_2X8_BE); | ||
987 | if (ret < 0) | ||
988 | return ret; | ||
989 | } | ||
990 | |||
991 | mf->width = priv->frame.width; | ||
992 | mf->height = priv->frame.height; | ||
993 | /* TODO: set colorspace */ | ||
994 | mf->code = priv->format->code; | ||
995 | mf->field = V4L2_FIELD_NONE; | ||
996 | |||
997 | return 0; | ||
998 | } | ||
999 | |||
1000 | static int mt9t112_s_fmt(struct v4l2_subdev *sd, | ||
1001 | struct v4l2_mbus_framefmt *mf) | ||
1002 | { | ||
1003 | struct i2c_client *client = sd->priv; | ||
1004 | |||
1005 | /* TODO: set colorspace */ | ||
1006 | return mt9t112_set_params(client, mf->width, mf->height, mf->code); | ||
1007 | } | ||
1008 | |||
1009 | static int mt9t112_try_fmt(struct v4l2_subdev *sd, | ||
1010 | struct v4l2_mbus_framefmt *mf) | ||
1011 | { | ||
1012 | mt9t112_frame_check(&mf->width, &mf->height); | ||
1013 | |||
1014 | /* TODO: set colorspace */ | ||
1015 | mf->field = V4L2_FIELD_NONE; | ||
1016 | |||
1017 | return 0; | ||
1018 | } | ||
1019 | |||
1020 | static int mt9t112_enum_fmt(struct v4l2_subdev *sd, int index, | ||
1021 | enum v4l2_mbus_pixelcode *code) | ||
1022 | { | ||
1023 | if ((unsigned int)index >= ARRAY_SIZE(mt9t112_cfmts)) | ||
1024 | return -EINVAL; | ||
1025 | |||
1026 | *code = mt9t112_cfmts[index].code; | ||
1027 | return 0; | ||
1028 | } | ||
1029 | |||
1030 | static struct v4l2_subdev_video_ops mt9t112_subdev_video_ops = { | ||
1031 | .s_stream = mt9t112_s_stream, | ||
1032 | .g_mbus_fmt = mt9t112_g_fmt, | ||
1033 | .s_mbus_fmt = mt9t112_s_fmt, | ||
1034 | .try_mbus_fmt = mt9t112_try_fmt, | ||
1035 | .cropcap = mt9t112_cropcap, | ||
1036 | .g_crop = mt9t112_g_crop, | ||
1037 | .s_crop = mt9t112_s_crop, | ||
1038 | .enum_mbus_fmt = mt9t112_enum_fmt, | ||
1039 | }; | ||
1040 | |||
1041 | /************************************************************************ | ||
1042 | |||
1043 | |||
1044 | i2c driver | ||
1045 | |||
1046 | |||
1047 | ************************************************************************/ | ||
1048 | static struct v4l2_subdev_ops mt9t112_subdev_ops = { | ||
1049 | .core = &mt9t112_subdev_core_ops, | ||
1050 | .video = &mt9t112_subdev_video_ops, | ||
1051 | }; | ||
1052 | |||
1053 | static int mt9t112_camera_probe(struct soc_camera_device *icd, | ||
1054 | struct i2c_client *client) | ||
1055 | { | ||
1056 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
1057 | const char *devname; | ||
1058 | int chipid; | ||
1059 | |||
1060 | /* | ||
1061 | * We must have a parent by now. And it cannot be a wrong one. | ||
1062 | * So this entire test is completely redundant. | ||
1063 | */ | ||
1064 | if (!icd->dev.parent || | ||
1065 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) | ||
1066 | return -ENODEV; | ||
1067 | |||
1068 | /* | ||
1069 | * check and show chip ID | ||
1070 | */ | ||
1071 | mt9t112_reg_read(chipid, client, 0x0000); | ||
1072 | |||
1073 | switch (chipid) { | ||
1074 | case 0x2680: | ||
1075 | devname = "mt9t111"; | ||
1076 | priv->model = V4L2_IDENT_MT9T111; | ||
1077 | break; | ||
1078 | case 0x2682: | ||
1079 | devname = "mt9t112"; | ||
1080 | priv->model = V4L2_IDENT_MT9T112; | ||
1081 | break; | ||
1082 | default: | ||
1083 | dev_err(&client->dev, "Product ID error %04x\n", chipid); | ||
1084 | return -ENODEV; | ||
1085 | } | ||
1086 | |||
1087 | dev_info(&client->dev, "%s chip ID %04x\n", devname, chipid); | ||
1088 | |||
1089 | return 0; | ||
1090 | } | ||
1091 | |||
1092 | static int mt9t112_probe(struct i2c_client *client, | ||
1093 | const struct i2c_device_id *did) | ||
1094 | { | ||
1095 | struct mt9t112_priv *priv; | ||
1096 | struct soc_camera_device *icd = client->dev.platform_data; | ||
1097 | struct soc_camera_link *icl; | ||
1098 | int ret; | ||
1099 | |||
1100 | if (!icd) { | ||
1101 | dev_err(&client->dev, "mt9t112: missing soc-camera data!\n"); | ||
1102 | return -EINVAL; | ||
1103 | } | ||
1104 | |||
1105 | icl = to_soc_camera_link(icd); | ||
1106 | if (!icl || !icl->priv) | ||
1107 | return -EINVAL; | ||
1108 | |||
1109 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | ||
1110 | if (!priv) | ||
1111 | return -ENOMEM; | ||
1112 | |||
1113 | priv->info = icl->priv; | ||
1114 | |||
1115 | v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops); | ||
1116 | |||
1117 | icd->ops = &mt9t112_ops; | ||
1118 | |||
1119 | ret = mt9t112_camera_probe(icd, client); | ||
1120 | if (ret) { | ||
1121 | icd->ops = NULL; | ||
1122 | i2c_set_clientdata(client, NULL); | ||
1123 | kfree(priv); | ||
1124 | } | ||
1125 | |||
1126 | return ret; | ||
1127 | } | ||
1128 | |||
1129 | static int mt9t112_remove(struct i2c_client *client) | ||
1130 | { | ||
1131 | struct mt9t112_priv *priv = to_mt9t112(client); | ||
1132 | struct soc_camera_device *icd = client->dev.platform_data; | ||
1133 | |||
1134 | icd->ops = NULL; | ||
1135 | i2c_set_clientdata(client, NULL); | ||
1136 | kfree(priv); | ||
1137 | return 0; | ||
1138 | } | ||
1139 | |||
1140 | static const struct i2c_device_id mt9t112_id[] = { | ||
1141 | { "mt9t112", 0 }, | ||
1142 | { } | ||
1143 | }; | ||
1144 | MODULE_DEVICE_TABLE(i2c, mt9t112_id); | ||
1145 | |||
1146 | static struct i2c_driver mt9t112_i2c_driver = { | ||
1147 | .driver = { | ||
1148 | .name = "mt9t112", | ||
1149 | }, | ||
1150 | .probe = mt9t112_probe, | ||
1151 | .remove = mt9t112_remove, | ||
1152 | .id_table = mt9t112_id, | ||
1153 | }; | ||
1154 | |||
1155 | /************************************************************************ | ||
1156 | |||
1157 | |||
1158 | module function | ||
1159 | |||
1160 | |||
1161 | ************************************************************************/ | ||
1162 | static int __init mt9t112_module_init(void) | ||
1163 | { | ||
1164 | return i2c_add_driver(&mt9t112_i2c_driver); | ||
1165 | } | ||
1166 | |||
1167 | static void __exit mt9t112_module_exit(void) | ||
1168 | { | ||
1169 | i2c_del_driver(&mt9t112_i2c_driver); | ||
1170 | } | ||
1171 | |||
1172 | module_init(mt9t112_module_init); | ||
1173 | module_exit(mt9t112_module_exit); | ||
1174 | |||
1175 | MODULE_DESCRIPTION("SoC Camera driver for mt9t112"); | ||
1176 | MODULE_AUTHOR("Kuninori Morimoto"); | ||
1177 | MODULE_LICENSE("GPL v2"); | ||