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V4L/DVB (12509): sh: prepare board-ap325rxa.c for v4l2-subdev conversion
[mirror_ubuntu-artful-kernel.git] / drivers / media / video / mt9m111.c
CommitLineData
77110abb 1/*
d7f83a51 2 * Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron
77110abb
RJ		 3 *
4 * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
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#include <linux/videodev2.h>
11#include <linux/slab.h>
12#include <linux/i2c.h>
13#include <linux/log2.h>
14#include <linux/gpio.h>
15#include <linux/delay.h>
16
17#include <media/v4l2-common.h>
18#include <media/v4l2-chip-ident.h>
19#include <media/soc_camera.h>
20
21/*
d7f83a51 22 * mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin)
77110abb
RJ		 23 * The platform has to define i2c_board_info and call i2c_register_board_info()
24 */
25
26/* mt9m111: Sensor register addresses */
27#define MT9M111_CHIP_VERSION 0x000
28#define MT9M111_ROW_START 0x001
29#define MT9M111_COLUMN_START 0x002
30#define MT9M111_WINDOW_HEIGHT 0x003
31#define MT9M111_WINDOW_WIDTH 0x004
32#define MT9M111_HORIZONTAL_BLANKING_B 0x005
33#define MT9M111_VERTICAL_BLANKING_B 0x006
34#define MT9M111_HORIZONTAL_BLANKING_A 0x007
35#define MT9M111_VERTICAL_BLANKING_A 0x008
36#define MT9M111_SHUTTER_WIDTH 0x009
37#define MT9M111_ROW_SPEED 0x00a
38#define MT9M111_EXTRA_DELAY 0x00b
39#define MT9M111_SHUTTER_DELAY 0x00c
40#define MT9M111_RESET 0x00d
41#define MT9M111_READ_MODE_B 0x020
42#define MT9M111_READ_MODE_A 0x021
43#define MT9M111_FLASH_CONTROL 0x023
44#define MT9M111_GREEN1_GAIN 0x02b
45#define MT9M111_BLUE_GAIN 0x02c
46#define MT9M111_RED_GAIN 0x02d
47#define MT9M111_GREEN2_GAIN 0x02e
48#define MT9M111_GLOBAL_GAIN 0x02f
49#define MT9M111_CONTEXT_CONTROL 0x0c8
50#define MT9M111_PAGE_MAP 0x0f0
51#define MT9M111_BYTE_WISE_ADDR 0x0f1
52
53#define MT9M111_RESET_SYNC_CHANGES (1 << 15)
54#define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9)
55#define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8)
56#define MT9M111_RESET_RESET_SOC (1 << 5)
57#define MT9M111_RESET_OUTPUT_DISABLE (1 << 4)
58#define MT9M111_RESET_CHIP_ENABLE (1 << 3)
59#define MT9M111_RESET_ANALOG_STANDBY (1 << 2)
60#define MT9M111_RESET_RESTART_FRAME (1 << 1)
61#define MT9M111_RESET_RESET_MODE (1 << 0)
62
63#define MT9M111_RMB_MIRROR_COLS (1 << 1)
64#define MT9M111_RMB_MIRROR_ROWS (1 << 0)
65#define MT9M111_CTXT_CTRL_RESTART (1 << 15)
66#define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12)
67#define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10)
68#define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9)
69#define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8)
70#define MT9M111_CTXT_CTRL_XENON_EN (1 << 7)
71#define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3)
72#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2)
73#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1)
74#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0)
75/*
76 * mt9m111: Colorpipe register addresses (0x100..0x1ff)
77 */
78#define MT9M111_OPER_MODE_CTRL 0x106
79#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
80#define MT9M111_REDUCER_XZOOM_B 0x1a0
81#define MT9M111_REDUCER_XSIZE_B 0x1a1
82#define MT9M111_REDUCER_YZOOM_B 0x1a3
83#define MT9M111_REDUCER_YSIZE_B 0x1a4
84#define MT9M111_REDUCER_XZOOM_A 0x1a6
85#define MT9M111_REDUCER_XSIZE_A 0x1a7
86#define MT9M111_REDUCER_YZOOM_A 0x1a9
87#define MT9M111_REDUCER_YSIZE_A 0x1aa
88
89#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a
90#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
91
92#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
39bf372f 93#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
77110abb
RJ		 94
95#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
96#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
97#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9)
98#define MT9M111_OUTFMT_RGB (1 << 8)
99#define MT9M111_OUTFMT_RGB565 (0x0 << 6)
100#define MT9M111_OUTFMT_RGB555 (0x1 << 6)
101#define MT9M111_OUTFMT_RGB444x (0x2 << 6)
102#define MT9M111_OUTFMT_RGBx444 (0x3 << 6)
103#define MT9M111_OUTFMT_TST_RAMP_OFF (0x0 << 4)
104#define MT9M111_OUTFMT_TST_RAMP_COL (0x1 << 4)
105#define MT9M111_OUTFMT_TST_RAMP_ROW (0x2 << 4)
106#define MT9M111_OUTFMT_TST_RAMP_FRAME (0x3 << 4)
107#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3)
108#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
109#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1)
110#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1)
111#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0)
112/*
113 * mt9m111: Camera control register addresses (0x200..0x2ff not implemented)
114 */
115
9538e1c2
GL		 116#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg)
117#define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val))
118#define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val))
119#define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val))
77110abb
RJ		 120
121#define MT9M111_MIN_DARK_ROWS 8
122#define MT9M111_MIN_DARK_COLS 24
123#define MT9M111_MAX_HEIGHT 1024
124#define MT9M111_MAX_WIDTH 1280
125
126#define COL_FMT(_name, _depth, _fourcc, _colorspace) \
127 { .name = _name, .depth = _depth, .fourcc = _fourcc, \
128 .colorspace = _colorspace }
129#define RGB_FMT(_name, _depth, _fourcc) \
130 COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB)
88f4b899
RJ		 131#define JPG_FMT(_name, _depth, _fourcc) \
132 COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_JPEG)
77110abb
RJ		 133
134static const struct soc_camera_data_format mt9m111_colour_formats[] = {
88f4b899
RJ		 135 JPG_FMT("CbYCrY 16 bit", 16, V4L2_PIX_FMT_UYVY),
136 JPG_FMT("CrYCbY 16 bit", 16, V4L2_PIX_FMT_VYUY),
137 JPG_FMT("YCbYCr 16 bit", 16, V4L2_PIX_FMT_YUYV),
138 JPG_FMT("YCrYCb 16 bit", 16, V4L2_PIX_FMT_YVYU),
77110abb
RJ		 139 RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565),
140 RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555),
141 RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16),
142 RGB_FMT("Bayer (sRGB) 8 bit", 8, V4L2_PIX_FMT_SBGGR8),
143};
144
145enum mt9m111_context {
146 HIGHPOWER = 0,
147 LOWPOWER,
148};
149
150struct mt9m111 {
d7f83a51 151 int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
77110abb 152 enum mt9m111_context context;
09e231b3 153 struct v4l2_rect rect;
77110abb
RJ		 154 u32 pixfmt;
155 unsigned char autoexposure;
156 unsigned char datawidth;
157 unsigned int powered:1;
158 unsigned int hflip:1;
159 unsigned int vflip:1;
160 unsigned int swap_rgb_even_odd:1;
161 unsigned int swap_rgb_red_blue:1;
162 unsigned int swap_yuv_y_chromas:1;
163 unsigned int swap_yuv_cb_cr:1;
39bf372f 164 unsigned int autowhitebalance:1;
77110abb
RJ		 165};
166
167static int reg_page_map_set(struct i2c_client *client, const u16 reg)
168{
169 int ret;
170 u16 page;
171 static int lastpage = -1; /* PageMap cache value */
172
173 page = (reg >> 8);
174 if (page == lastpage)
175 return 0;
176 if (page > 2)
177 return -EINVAL;
178
179 ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page));
506c629a 180 if (!ret)
77110abb
RJ		 181 lastpage = page;
182 return ret;
183}
184
9538e1c2 185static int mt9m111_reg_read(struct i2c_client *client, const u16 reg)
77110abb 186{
77110abb
RJ		 187 int ret;
188
189 ret = reg_page_map_set(client, reg);
190 if (!ret)
191 ret = swab16(i2c_smbus_read_word_data(client, (reg & 0xff)));
192
9538e1c2 193 dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret);
77110abb
RJ		 194 return ret;
195}
196
9538e1c2 197static int mt9m111_reg_write(struct i2c_client *client, const u16 reg,
77110abb
RJ		 198 const u16 data)
199{
77110abb
RJ		 200 int ret;
201
202 ret = reg_page_map_set(client, reg);
506c629a 203 if (!ret)
40e2e092 204 ret = i2c_smbus_write_word_data(client, reg & 0xff,
77110abb 205 swab16(data));
9538e1c2 206 dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
77110abb
RJ		 207 return ret;
208}
209
9538e1c2 210static int mt9m111_reg_set(struct i2c_client *client, const u16 reg,
77110abb
RJ		 211 const u16 data)
212{
213 int ret;
214
9538e1c2 215 ret = mt9m111_reg_read(client, reg);
77110abb 216 if (ret >= 0)
9538e1c2 217 ret = mt9m111_reg_write(client, reg, ret | data);
77110abb
RJ		 218 return ret;
219}
220
9538e1c2 221static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
77110abb
RJ		 222 const u16 data)
223{
224 int ret;
225
9538e1c2
GL		 226 ret = mt9m111_reg_read(client, reg);
227 return mt9m111_reg_write(client, reg, ret & ~data);
77110abb
RJ		 228}
229
230static int mt9m111_set_context(struct soc_camera_device *icd,
231 enum mt9m111_context ctxt)
232{
40e2e092 233 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
77110abb
RJ		 234 int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B
235 | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B
236 | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B
237 | MT9M111_CTXT_CTRL_VBLANK_SEL_B
238 | MT9M111_CTXT_CTRL_HBLANK_SEL_B;
239 int valA = MT9M111_CTXT_CTRL_RESTART;
240
241 if (ctxt == HIGHPOWER)
242 return reg_write(CONTEXT_CONTROL, valB);
243 else
244 return reg_write(CONTEXT_CONTROL, valA);
245}
246
09e231b3
GL		 247static int mt9m111_setup_rect(struct soc_camera_device *icd,
248 struct v4l2_rect *rect)
77110abb 249{
40e2e092
GL		 250 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
251 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
506c629a 252 int ret, is_raw_format;
09e231b3
GL		 253 int width = rect->width;
254 int height = rect->height;
77110abb
RJ		 255
256 if ((mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR8)
257 || (mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR16))
258 is_raw_format = 1;
259 else
260 is_raw_format = 0;
261
09e231b3 262 ret = reg_write(COLUMN_START, rect->left);
506c629a 263 if (!ret)
09e231b3 264 ret = reg_write(ROW_START, rect->top);
77110abb
RJ		 265
266 if (is_raw_format) {
506c629a 267 if (!ret)
77110abb 268 ret = reg_write(WINDOW_WIDTH, width);
506c629a 269 if (!ret)
77110abb
RJ		 270 ret = reg_write(WINDOW_HEIGHT, height);
271 } else {
506c629a 272 if (!ret)
77110abb 273 ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH);
506c629a 274 if (!ret)
77110abb 275 ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT);
506c629a 276 if (!ret)
77110abb 277 ret = reg_write(REDUCER_XSIZE_B, width);
506c629a 278 if (!ret)
77110abb 279 ret = reg_write(REDUCER_YSIZE_B, height);
506c629a 280 if (!ret)
77110abb 281 ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH);
506c629a 282 if (!ret)
77110abb 283 ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT);
506c629a 284 if (!ret)
77110abb 285 ret = reg_write(REDUCER_XSIZE_A, width);
506c629a 286 if (!ret)
77110abb
RJ		 287 ret = reg_write(REDUCER_YSIZE_A, height);
288 }
289
290 return ret;
291}
292
293static int mt9m111_setup_pixfmt(struct soc_camera_device *icd, u16 outfmt)
294{
40e2e092 295 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
77110abb
RJ		 296 int ret;
297
298 ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt);
506c629a 299 if (!ret)
77110abb
RJ		 300 ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt);
301 return ret;
302}
303
304static int mt9m111_setfmt_bayer8(struct soc_camera_device *icd)
305{
306 return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_PROCESSED_BAYER);
307}
308
309static int mt9m111_setfmt_bayer10(struct soc_camera_device *icd)
310{
77110abb
RJ		 311 return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_BYPASS_IFP);
312}
313
314static int mt9m111_setfmt_rgb565(struct soc_camera_device *icd)
315{
40e2e092
GL		 316 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
317 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 318 int val = 0;
319
320 if (mt9m111->swap_rgb_red_blue)
321 val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
322 if (mt9m111->swap_rgb_even_odd)
323 val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
324 val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
325
326 return mt9m111_setup_pixfmt(icd, val);
327}
328
329static int mt9m111_setfmt_rgb555(struct soc_camera_device *icd)
330{
40e2e092
GL		 331 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
332 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 333 int val = 0;
334
335 if (mt9m111->swap_rgb_red_blue)
336 val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
337 if (mt9m111->swap_rgb_even_odd)
338 val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
339 val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
340
341 return mt9m111_setup_pixfmt(icd, val);
342}
343
344static int mt9m111_setfmt_yuv(struct soc_camera_device *icd)
345{
40e2e092
GL		 346 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
347 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 348 int val = 0;
349
350 if (mt9m111->swap_yuv_cb_cr)
351 val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
352 if (mt9m111->swap_yuv_y_chromas)
353 val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y;
354
355 return mt9m111_setup_pixfmt(icd, val);
356}
357
358static int mt9m111_enable(struct soc_camera_device *icd)
359{
40e2e092
GL		 360 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
361 struct soc_camera_link *icl = to_soc_camera_link(icd);
362 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 363 int ret;
364
81034663 365 if (icl->power) {
9538e1c2 366 ret = icl->power(&client->dev, 1);
81034663
SH		 367 if (ret < 0) {
368 dev_err(icd->vdev->parent,
369 "Platform failed to power-on the camera.\n");
370 return ret;
371 }
372 }
373
77110abb 374 ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE);
506c629a 375 if (!ret)
77110abb
RJ		 376 mt9m111->powered = 1;
377 return ret;
378}
379
380static int mt9m111_disable(struct soc_camera_device *icd)
381{
40e2e092
GL		 382 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
383 struct soc_camera_link *icl = to_soc_camera_link(icd);
384 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 385 int ret;
386
387 ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE);
506c629a 388 if (!ret)
77110abb 389 mt9m111->powered = 0;
81034663
SH		 390
391 if (icl->power)
9538e1c2 392 icl->power(&client->dev, 0);
81034663 393
77110abb
RJ		 394 return ret;
395}
396
397static int mt9m111_reset(struct soc_camera_device *icd)
398{
40e2e092
GL		 399 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
400 struct soc_camera_link *icl = to_soc_camera_link(icd);
77110abb
RJ		 401 int ret;
402
403 ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
506c629a 404 if (!ret)
77110abb 405 ret = reg_set(RESET, MT9M111_RESET_RESET_SOC);
506c629a 406 if (!ret)
77110abb
RJ		 407 ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE
408 | MT9M111_RESET_RESET_SOC);
afb13683
AO		 409
410 if (icl->reset)
9538e1c2 411 icl->reset(&client->dev);
afb13683 412
77110abb
RJ		 413 return ret;
414}
415
416static int mt9m111_start_capture(struct soc_camera_device *icd)
417{
418 return 0;
419}
420
421static int mt9m111_stop_capture(struct soc_camera_device *icd)
422{
423 return 0;
424}
425
426static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
427{
40e2e092 428 struct soc_camera_link *icl = to_soc_camera_link(icd);
bd73b36f 429 unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
77110abb 430 SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
2d9329f3 431 SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8;
bd73b36f
GL		 432
433 return soc_camera_apply_sensor_flags(icl, flags);
77110abb
RJ		 434}
435
436static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
437{
438 return 0;
439}
440
09e231b3
GL		 441static int mt9m111_set_crop(struct soc_camera_device *icd,
442 struct v4l2_rect *rect)
443{
40e2e092
GL		 444 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
445 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
09e231b3
GL		 446 int ret;
447
448 dev_dbg(&icd->dev, "%s left=%d, top=%d, width=%d, height=%d\n",
449 __func__, rect->left, rect->top, rect->width,
450 rect->height);
451
452 ret = mt9m111_setup_rect(icd, rect);
453 if (!ret)
454 mt9m111->rect = *rect;
455 return ret;
456}
457
77110abb
RJ		 458static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt)
459{
40e2e092
GL		 460 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
461 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
506c629a 462 int ret;
77110abb
RJ		 463
464 switch (pixfmt) {
465 case V4L2_PIX_FMT_SBGGR8:
466 ret = mt9m111_setfmt_bayer8(icd);
467 break;
468 case V4L2_PIX_FMT_SBGGR16:
469 ret = mt9m111_setfmt_bayer10(icd);
470 break;
471 case V4L2_PIX_FMT_RGB555:
472 ret = mt9m111_setfmt_rgb555(icd);
473 break;
474 case V4L2_PIX_FMT_RGB565:
475 ret = mt9m111_setfmt_rgb565(icd);
476 break;
88f4b899
RJ		 477 case V4L2_PIX_FMT_UYVY:
478 mt9m111->swap_yuv_y_chromas = 0;
479 mt9m111->swap_yuv_cb_cr = 0;
480 ret = mt9m111_setfmt_yuv(icd);
481 break;
482 case V4L2_PIX_FMT_VYUY:
483 mt9m111->swap_yuv_y_chromas = 0;
484 mt9m111->swap_yuv_cb_cr = 1;
485 ret = mt9m111_setfmt_yuv(icd);
486 break;
77110abb 487 case V4L2_PIX_FMT_YUYV:
88f4b899
RJ		 488 mt9m111->swap_yuv_y_chromas = 1;
489 mt9m111->swap_yuv_cb_cr = 0;
490 ret = mt9m111_setfmt_yuv(icd);
491 break;
492 case V4L2_PIX_FMT_YVYU:
493 mt9m111->swap_yuv_y_chromas = 1;
494 mt9m111->swap_yuv_cb_cr = 1;
77110abb
RJ		 495 ret = mt9m111_setfmt_yuv(icd);
496 break;
497 default:
498 dev_err(&icd->dev, "Pixel format not handled : %x\n", pixfmt);
499 ret = -EINVAL;
500 }
501
506c629a 502 if (!ret)
77110abb
RJ		 503 mt9m111->pixfmt = pixfmt;
504
505 return ret;
506}
507
d8fac217 508static int mt9m111_set_fmt(struct soc_camera_device *icd,
09e231b3 509 struct v4l2_format *f)
77110abb 510{
40e2e092
GL		 511 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
512 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
09e231b3
GL		 513 struct v4l2_pix_format *pix = &f->fmt.pix;
514 struct v4l2_rect rect = {
515 .left = mt9m111->rect.left,
516 .top = mt9m111->rect.top,
517 .width = pix->width,
518 .height = pix->height,
519 };
506c629a 520 int ret;
77110abb 521
77110abb 522 dev_dbg(&icd->dev, "%s fmt=%x left=%d, top=%d, width=%d, height=%d\n",
09e231b3
GL		 523 __func__, pix->pixelformat, rect.left, rect.top, rect.width,
524 rect.height);
77110abb 525
09e231b3
GL		 526 ret = mt9m111_setup_rect(icd, &rect);
527 if (!ret)
528 ret = mt9m111_set_pixfmt(icd, pix->pixelformat);
506c629a 529 if (!ret)
09e231b3 530 mt9m111->rect = rect;
506c629a 531 return ret;
77110abb
RJ		 532}
533
d8fac217
GL		 534static int mt9m111_try_fmt(struct soc_camera_device *icd,
535 struct v4l2_format *f)
77110abb 536{
64f5905e
GL		 537 struct v4l2_pix_format *pix = &f->fmt.pix;
538
539 if (pix->height > MT9M111_MAX_HEIGHT)
540 pix->height = MT9M111_MAX_HEIGHT;
541 if (pix->width > MT9M111_MAX_WIDTH)
542 pix->width = MT9M111_MAX_WIDTH;
77110abb
RJ		 543
544 return 0;
545}
546
547static int mt9m111_get_chip_id(struct soc_camera_device *icd,
aecde8b5 548 struct v4l2_dbg_chip_ident *id)
77110abb 549{
40e2e092
GL		 550 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
551 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb 552
aecde8b5 553 if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
77110abb
RJ		 554 return -EINVAL;
555
40e2e092 556 if (id->match.addr != client->addr)
77110abb
RJ		 557 return -ENODEV;
558
559 id->ident = mt9m111->model;
560 id->revision = 0;
561
562 return 0;
563}
564
565#ifdef CONFIG_VIDEO_ADV_DEBUG
566static int mt9m111_get_register(struct soc_camera_device *icd,
aecde8b5 567 struct v4l2_dbg_register *reg)
77110abb 568{
40e2e092 569 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
77110abb 570 int val;
77110abb 571
aecde8b5 572 if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
77110abb 573 return -EINVAL;
9538e1c2 574 if (reg->match.addr != client->addr)
77110abb
RJ		 575 return -ENODEV;
576
9538e1c2 577 val = mt9m111_reg_read(client, reg->reg);
aecde8b5 578 reg->size = 2;
77110abb
RJ		 579 reg->val = (u64)val;
580
581 if (reg->val > 0xffff)
582 return -EIO;
583
584 return 0;
585}
586
587static int mt9m111_set_register(struct soc_camera_device *icd,
aecde8b5 588 struct v4l2_dbg_register *reg)
77110abb 589{
40e2e092 590 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
77110abb 591
aecde8b5 592 if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
77110abb
RJ		 593 return -EINVAL;
594
9538e1c2 595 if (reg->match.addr != client->addr)
77110abb
RJ		 596 return -ENODEV;
597
9538e1c2 598 if (mt9m111_reg_write(client, reg->reg, reg->val) < 0)
77110abb
RJ		 599 return -EIO;
600
601 return 0;
602}
603#endif
604
605static const struct v4l2_queryctrl mt9m111_controls[] = {
606 {
607 .id = V4L2_CID_VFLIP,
608 .type = V4L2_CTRL_TYPE_BOOLEAN,
609 .name = "Flip Verticaly",
610 .minimum = 0,
611 .maximum = 1,
612 .step = 1,
613 .default_value = 0,
614 }, {
615 .id = V4L2_CID_HFLIP,
616 .type = V4L2_CTRL_TYPE_BOOLEAN,
617 .name = "Flip Horizontaly",
618 .minimum = 0,
619 .maximum = 1,
620 .step = 1,
621 .default_value = 0,
622 }, { /* gain = 1/32*val (=>gain=1 if val==32) */
623 .id = V4L2_CID_GAIN,
624 .type = V4L2_CTRL_TYPE_INTEGER,
625 .name = "Gain",
626 .minimum = 0,
627 .maximum = 63 * 2 * 2,
628 .step = 1,
629 .default_value = 32,
630 .flags = V4L2_CTRL_FLAG_SLIDER,
631 }, {
632 .id = V4L2_CID_EXPOSURE_AUTO,
633 .type = V4L2_CTRL_TYPE_BOOLEAN,
634 .name = "Auto Exposure",
635 .minimum = 0,
636 .maximum = 1,
637 .step = 1,
638 .default_value = 1,
639 }
640};
641
77110abb
RJ		 642static int mt9m111_get_control(struct soc_camera_device *,
643 struct v4l2_control *);
644static int mt9m111_set_control(struct soc_camera_device *,
645 struct v4l2_control *);
646static int mt9m111_resume(struct soc_camera_device *icd);
647static int mt9m111_init(struct soc_camera_device *icd);
648static int mt9m111_release(struct soc_camera_device *icd);
649
650static struct soc_camera_ops mt9m111_ops = {
651 .owner = THIS_MODULE,
77110abb
RJ		 652 .init = mt9m111_init,
653 .resume = mt9m111_resume,
654 .release = mt9m111_release,
655 .start_capture = mt9m111_start_capture,
656 .stop_capture = mt9m111_stop_capture,
09e231b3 657 .set_crop = mt9m111_set_crop,
d8fac217
GL		 658 .set_fmt = mt9m111_set_fmt,
659 .try_fmt = mt9m111_try_fmt,
77110abb
RJ		 660 .query_bus_param = mt9m111_query_bus_param,
661 .set_bus_param = mt9m111_set_bus_param,
662 .controls = mt9m111_controls,
663 .num_controls = ARRAY_SIZE(mt9m111_controls),
664 .get_control = mt9m111_get_control,
665 .set_control = mt9m111_set_control,
666 .get_chip_id = mt9m111_get_chip_id,
667#ifdef CONFIG_VIDEO_ADV_DEBUG
668 .get_register = mt9m111_get_register,
669 .set_register = mt9m111_set_register,
670#endif
671};
672
673static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask)
674{
40e2e092
GL		 675 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
676 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 677 int ret;
678
679 if (mt9m111->context == HIGHPOWER) {
680 if (flip)
681 ret = reg_set(READ_MODE_B, mask);
682 else
683 ret = reg_clear(READ_MODE_B, mask);
684 } else {
685 if (flip)
686 ret = reg_set(READ_MODE_A, mask);
687 else
688 ret = reg_clear(READ_MODE_A, mask);
689 }
690
691 return ret;
692}
693
694static int mt9m111_get_global_gain(struct soc_camera_device *icd)
695{
40e2e092 696 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
0f28b793 697 int data;
77110abb
RJ		 698
699 data = reg_read(GLOBAL_GAIN);
700 if (data >= 0)
0f28b793 701 return (data & 0x2f) * (1 << ((data >> 10) & 1)) *
702 (1 << ((data >> 9) & 1));
703 return data;
77110abb 704}
0f28b793 705
77110abb
RJ		 706static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain)
707{
40e2e092 708 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
77110abb
RJ		 709 u16 val;
710
711 if (gain > 63 * 2 * 2)
712 return -EINVAL;
713
714 icd->gain = gain;
715 if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
716 val = (1 << 10) | (1 << 9) | (gain / 4);
717 else if ((gain >= 64) && (gain < 64 * 2))
506c629a 718 val = (1 << 9) | (gain / 2);
77110abb
RJ		 719 else
720 val = gain;
721
722 return reg_write(GLOBAL_GAIN, val);
723}
724
725static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on)
726{
40e2e092
GL		 727 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
728 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 729 int ret;
730
731 if (on)
732 ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
733 else
734 ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
735
506c629a 736 if (!ret)
77110abb
RJ		 737 mt9m111->autoexposure = on;
738
739 return ret;
740}
39bf372f
RJ		 741
742static int mt9m111_set_autowhitebalance(struct soc_camera_device *icd, int on)
743{
40e2e092
GL		 744 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
745 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
39bf372f
RJ		 746 int ret;
747
748 if (on)
749 ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
750 else
751 ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
752
753 if (!ret)
754 mt9m111->autowhitebalance = on;
755
756 return ret;
757}
758
77110abb
RJ		 759static int mt9m111_get_control(struct soc_camera_device *icd,
760 struct v4l2_control *ctrl)
761{
40e2e092
GL		 762 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
763 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 764 int data;
765
766 switch (ctrl->id) {
767 case V4L2_CID_VFLIP:
768 if (mt9m111->context == HIGHPOWER)
769 data = reg_read(READ_MODE_B);
770 else
771 data = reg_read(READ_MODE_A);
772
773 if (data < 0)
774 return -EIO;
775 ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS);
776 break;
777 case V4L2_CID_HFLIP:
778 if (mt9m111->context == HIGHPOWER)
779 data = reg_read(READ_MODE_B);
780 else
781 data = reg_read(READ_MODE_A);
782
783 if (data < 0)
784 return -EIO;
785 ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
786 break;
787 case V4L2_CID_GAIN:
788 data = mt9m111_get_global_gain(icd);
789 if (data < 0)
790 return data;
791 ctrl->value = data;
792 break;
793 case V4L2_CID_EXPOSURE_AUTO:
794 ctrl->value = mt9m111->autoexposure;
795 break;
39bf372f
RJ		 796 case V4L2_CID_AUTO_WHITE_BALANCE:
797 ctrl->value = mt9m111->autowhitebalance;
798 break;
77110abb
RJ		 799 }
800 return 0;
801}
802
803static int mt9m111_set_control(struct soc_camera_device *icd,
804 struct v4l2_control *ctrl)
805{
40e2e092
GL		 806 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
807 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb 808 const struct v4l2_queryctrl *qctrl;
506c629a 809 int ret;
77110abb
RJ		 810
811 qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id);
812
813 if (!qctrl)
814 return -EINVAL;
815
816 switch (ctrl->id) {
817 case V4L2_CID_VFLIP:
818 mt9m111->vflip = ctrl->value;
819 ret = mt9m111_set_flip(icd, ctrl->value,
820 MT9M111_RMB_MIRROR_ROWS);
821 break;
822 case V4L2_CID_HFLIP:
823 mt9m111->hflip = ctrl->value;
824 ret = mt9m111_set_flip(icd, ctrl->value,
825 MT9M111_RMB_MIRROR_COLS);
826 break;
827 case V4L2_CID_GAIN:
828 ret = mt9m111_set_global_gain(icd, ctrl->value);
829 break;
830 case V4L2_CID_EXPOSURE_AUTO:
831 ret = mt9m111_set_autoexposure(icd, ctrl->value);
832 break;
39bf372f
RJ		 833 case V4L2_CID_AUTO_WHITE_BALANCE:
834 ret = mt9m111_set_autowhitebalance(icd, ctrl->value);
835 break;
77110abb
RJ		 836 default:
837 ret = -EINVAL;
838 }
839
506c629a 840 return ret;
77110abb
RJ		 841}
842
ba77531f 843static int mt9m111_restore_state(struct soc_camera_device *icd)
77110abb 844{
40e2e092
GL		 845 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
846 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 847
848 mt9m111_set_context(icd, mt9m111->context);
849 mt9m111_set_pixfmt(icd, mt9m111->pixfmt);
09e231b3 850 mt9m111_setup_rect(icd, &mt9m111->rect);
77110abb
RJ		 851 mt9m111_set_flip(icd, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
852 mt9m111_set_flip(icd, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
853 mt9m111_set_global_gain(icd, icd->gain);
854 mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
39bf372f 855 mt9m111_set_autowhitebalance(icd, mt9m111->autowhitebalance);
77110abb
RJ		 856 return 0;
857}
858
859static int mt9m111_resume(struct soc_camera_device *icd)
860{
40e2e092
GL		 861 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
862 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 863 int ret = 0;
864
865 if (mt9m111->powered) {
866 ret = mt9m111_enable(icd);
506c629a
GL		 867 if (!ret)
868 ret = mt9m111_reset(icd);
869 if (!ret)
870 ret = mt9m111_restore_state(icd);
77110abb
RJ		 871 }
872 return ret;
873}
874
875static int mt9m111_init(struct soc_camera_device *icd)
876{
40e2e092
GL		 877 struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
878 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 879 int ret;
880
881 mt9m111->context = HIGHPOWER;
882 ret = mt9m111_enable(icd);
506c629a
GL		 883 if (!ret)
884 ret = mt9m111_reset(icd);
885 if (!ret)
886 ret = mt9m111_set_context(icd, mt9m111->context);
887 if (!ret)
888 ret = mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
889 if (ret)
d7f83a51 890 dev_err(&icd->dev, "mt9m11x init failed: %d\n", ret);
506c629a 891 return ret;
77110abb
RJ		 892}
893
894static int mt9m111_release(struct soc_camera_device *icd)
895{
896 int ret;
897
898 ret = mt9m111_disable(icd);
899 if (ret < 0)
d7f83a51 900 dev_err(&icd->dev, "mt9m11x release failed: %d\n", ret);
77110abb 901
506c629a 902 return ret;
77110abb
RJ		 903}
904
905/*
906 * Interface active, can use i2c. If it fails, it can indeed mean, that
907 * this wasn't our capture interface, so, we wait for the right one
908 */
40e2e092
GL		 909static int mt9m111_video_probe(struct soc_camera_device *icd,
910 struct i2c_client *client)
77110abb 911{
40e2e092 912 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
77110abb
RJ		 913 s32 data;
914 int ret;
915
916 /*
917 * We must have a parent by now. And it cannot be a wrong one.
918 * So this entire test is completely redundant.
919 */
920 if (!icd->dev.parent ||
921 to_soc_camera_host(icd->dev.parent)->nr != icd->iface)
922 return -ENODEV;
923
40e2e092
GL		 924 /* Switch master clock on */
925 ret = soc_camera_video_start(icd, &client->dev);
926 if (ret)
927 goto evstart;
928
77110abb
RJ		 929 ret = mt9m111_enable(icd);
930 if (ret)
931 goto ei2c;
932 ret = mt9m111_reset(icd);
933 if (ret)
934 goto ei2c;
935
936 data = reg_read(CHIP_VERSION);
937
938 switch (data) {
d7f83a51 939 case 0x143a: /* MT9M111 */
77110abb 940 mt9m111->model = V4L2_IDENT_MT9M111;
d7f83a51
MR		 941 break;
942 case 0x148c: /* MT9M112 */
943 mt9m111->model = V4L2_IDENT_MT9M112;
77110abb
RJ		 944 break;
945 default:
946 ret = -ENODEV;
947 dev_err(&icd->dev,
d7f83a51 948 "No MT9M11x chip detected, register read %x\n", data);
77110abb
RJ		 949 goto ei2c;
950 }
951
d7f83a51
MR		 952 icd->formats = mt9m111_colour_formats;
953 icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
954
955 dev_info(&icd->dev, "Detected a MT9M11x chip ID %x\n", data);
77110abb 956
77110abb 957 mt9m111->autoexposure = 1;
39bf372f 958 mt9m111->autowhitebalance = 1;
77110abb
RJ		 959
960 mt9m111->swap_rgb_even_odd = 1;
961 mt9m111->swap_rgb_red_blue = 1;
962
77110abb 963ei2c:
40e2e092
GL		 964 soc_camera_video_stop(icd);
965evstart:
77110abb
RJ		 966 return ret;
967}
968
77110abb
RJ		 969static int mt9m111_probe(struct i2c_client *client,
970 const struct i2c_device_id *did)
971{
972 struct mt9m111 *mt9m111;
40e2e092 973 struct soc_camera_device *icd = client->dev.platform_data;
77110abb 974 struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
40e2e092 975 struct soc_camera_link *icl;
77110abb
RJ		 976 int ret;
977
40e2e092
GL		 978 if (!icd) {
979 dev_err(&client->dev, "MT9M11x: missing soc-camera data!\n");
980 return -EINVAL;
981 }
982
983 icl = to_soc_camera_link(icd);
77110abb 984 if (!icl) {
d7f83a51 985 dev_err(&client->dev, "MT9M11x driver needs platform data\n");
77110abb
RJ		 986 return -EINVAL;
987 }
988
989 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
990 dev_warn(&adapter->dev,
991 "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
992 return -EIO;
993 }
994
995 mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL);
996 if (!mt9m111)
997 return -ENOMEM;
998
77110abb
RJ		 999 i2c_set_clientdata(client, mt9m111);
1000
1001 /* Second stage probe - when a capture adapter is there */
77110abb 1002 icd->ops = &mt9m111_ops;
77110abb
RJ		 1003 icd->x_min = MT9M111_MIN_DARK_COLS;
1004 icd->y_min = MT9M111_MIN_DARK_ROWS;
1005 icd->x_current = icd->x_min;
1006 icd->y_current = icd->y_min;
1007 icd->width_min = MT9M111_MIN_DARK_ROWS;
1008 icd->width_max = MT9M111_MAX_WIDTH;
1009 icd->height_min = MT9M111_MIN_DARK_COLS;
1010 icd->height_max = MT9M111_MAX_HEIGHT;
1011 icd->y_skip_top = 0;
77110abb 1012
40e2e092
GL		 1013 ret = mt9m111_video_probe(icd, client);
1014 if (ret) {
1015 icd->ops = NULL;
1016 i2c_set_clientdata(client, NULL);
1017 kfree(mt9m111);
1018 }
77110abb 1019
77110abb
RJ		 1020 return ret;
1021}
1022
1023static int mt9m111_remove(struct i2c_client *client)
1024{
1025 struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
40e2e092
GL		 1026 struct soc_camera_device *icd = client->dev.platform_data;
1027
1028 icd->ops = NULL;
1029 i2c_set_clientdata(client, NULL);
1030 client->driver = NULL;
77110abb
RJ		 1031 kfree(mt9m111);
1032
1033 return 0;
1034}
1035
1036static const struct i2c_device_id mt9m111_id[] = {
1037 { "mt9m111", 0 },
1038 { }
1039};
1040MODULE_DEVICE_TABLE(i2c, mt9m111_id);
1041
1042static struct i2c_driver mt9m111_i2c_driver = {
1043 .driver = {
1044 .name = "mt9m111",
1045 },
1046 .probe = mt9m111_probe,
1047 .remove = mt9m111_remove,
1048 .id_table = mt9m111_id,
1049};
1050
1051static int __init mt9m111_mod_init(void)
1052{
1053 return i2c_add_driver(&mt9m111_i2c_driver);
1054}
1055
1056static void __exit mt9m111_mod_exit(void)
1057{
1058 i2c_del_driver(&mt9m111_i2c_driver);
1059}
1060
1061module_init(mt9m111_mod_init);
1062module_exit(mt9m111_mod_exit);
1063
d7f83a51 1064MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver");
77110abb
RJ		 1065MODULE_AUTHOR("Robert Jarzmik");
1066MODULE_LICENSE("GPL");
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