Commit | Line | Data |
---|---|---|
77110abb | 1 | /* |
c8cf078e | 2 | * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina |
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 | /* | |
c8cf078e PW |
22 | * MT9M111, MT9M112 and MT9M131: |
23 | * i2c address is 0x48 or 0x5d (depending on SADDR pin) | |
77110abb RJ |
24 | * The platform has to define i2c_board_info and call i2c_register_board_info() |
25 | */ | |
26 | ||
c8cf078e PW |
27 | /* |
28 | * Sensor core register addresses (0x000..0x0ff) | |
29 | */ | |
77110abb RJ |
30 | #define MT9M111_CHIP_VERSION 0x000 |
31 | #define MT9M111_ROW_START 0x001 | |
32 | #define MT9M111_COLUMN_START 0x002 | |
33 | #define MT9M111_WINDOW_HEIGHT 0x003 | |
34 | #define MT9M111_WINDOW_WIDTH 0x004 | |
35 | #define MT9M111_HORIZONTAL_BLANKING_B 0x005 | |
36 | #define MT9M111_VERTICAL_BLANKING_B 0x006 | |
37 | #define MT9M111_HORIZONTAL_BLANKING_A 0x007 | |
38 | #define MT9M111_VERTICAL_BLANKING_A 0x008 | |
39 | #define MT9M111_SHUTTER_WIDTH 0x009 | |
40 | #define MT9M111_ROW_SPEED 0x00a | |
41 | #define MT9M111_EXTRA_DELAY 0x00b | |
42 | #define MT9M111_SHUTTER_DELAY 0x00c | |
43 | #define MT9M111_RESET 0x00d | |
44 | #define MT9M111_READ_MODE_B 0x020 | |
45 | #define MT9M111_READ_MODE_A 0x021 | |
46 | #define MT9M111_FLASH_CONTROL 0x023 | |
47 | #define MT9M111_GREEN1_GAIN 0x02b | |
48 | #define MT9M111_BLUE_GAIN 0x02c | |
49 | #define MT9M111_RED_GAIN 0x02d | |
50 | #define MT9M111_GREEN2_GAIN 0x02e | |
51 | #define MT9M111_GLOBAL_GAIN 0x02f | |
52 | #define MT9M111_CONTEXT_CONTROL 0x0c8 | |
53 | #define MT9M111_PAGE_MAP 0x0f0 | |
54 | #define MT9M111_BYTE_WISE_ADDR 0x0f1 | |
55 | ||
56 | #define MT9M111_RESET_SYNC_CHANGES (1 << 15) | |
57 | #define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9) | |
58 | #define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8) | |
59 | #define MT9M111_RESET_RESET_SOC (1 << 5) | |
60 | #define MT9M111_RESET_OUTPUT_DISABLE (1 << 4) | |
61 | #define MT9M111_RESET_CHIP_ENABLE (1 << 3) | |
62 | #define MT9M111_RESET_ANALOG_STANDBY (1 << 2) | |
63 | #define MT9M111_RESET_RESTART_FRAME (1 << 1) | |
64 | #define MT9M111_RESET_RESET_MODE (1 << 0) | |
65 | ||
66 | #define MT9M111_RMB_MIRROR_COLS (1 << 1) | |
67 | #define MT9M111_RMB_MIRROR_ROWS (1 << 0) | |
68 | #define MT9M111_CTXT_CTRL_RESTART (1 << 15) | |
69 | #define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12) | |
70 | #define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10) | |
71 | #define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9) | |
72 | #define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8) | |
73 | #define MT9M111_CTXT_CTRL_XENON_EN (1 << 7) | |
74 | #define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3) | |
75 | #define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) | |
76 | #define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) | |
77 | #define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) | |
c8cf078e | 78 | |
77110abb | 79 | /* |
c8cf078e | 80 | * Colorpipe register addresses (0x100..0x1ff) |
77110abb RJ |
81 | */ |
82 | #define MT9M111_OPER_MODE_CTRL 0x106 | |
83 | #define MT9M111_OUTPUT_FORMAT_CTRL 0x108 | |
84 | #define MT9M111_REDUCER_XZOOM_B 0x1a0 | |
85 | #define MT9M111_REDUCER_XSIZE_B 0x1a1 | |
86 | #define MT9M111_REDUCER_YZOOM_B 0x1a3 | |
87 | #define MT9M111_REDUCER_YSIZE_B 0x1a4 | |
88 | #define MT9M111_REDUCER_XZOOM_A 0x1a6 | |
89 | #define MT9M111_REDUCER_XSIZE_A 0x1a7 | |
90 | #define MT9M111_REDUCER_YZOOM_A 0x1a9 | |
91 | #define MT9M111_REDUCER_YSIZE_A 0x1aa | |
92 | ||
93 | #define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a | |
94 | #define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b | |
95 | ||
96 | #define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) | |
39bf372f | 97 | #define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1) |
77110abb RJ |
98 | |
99 | #define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) | |
100 | #define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) | |
101 | #define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9) | |
102 | #define MT9M111_OUTFMT_RGB (1 << 8) | |
ec73365b MG |
103 | #define MT9M111_OUTFMT_RGB565 (0 << 6) |
104 | #define MT9M111_OUTFMT_RGB555 (1 << 6) | |
105 | #define MT9M111_OUTFMT_RGB444x (2 << 6) | |
106 | #define MT9M111_OUTFMT_RGBx444 (3 << 6) | |
107 | #define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4) | |
108 | #define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4) | |
109 | #define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4) | |
110 | #define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4) | |
77110abb RJ |
111 | #define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3) |
112 | #define MT9M111_OUTFMT_AVG_CHROMA (1 << 2) | |
113 | #define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1) | |
114 | #define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1) | |
115 | #define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0) | |
c8cf078e | 116 | |
77110abb | 117 | /* |
c8cf078e | 118 | * Camera control register addresses (0x200..0x2ff not implemented) |
77110abb RJ |
119 | */ |
120 | ||
9538e1c2 GL |
121 | #define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) |
122 | #define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val)) | |
123 | #define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val)) | |
124 | #define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val)) | |
77110abb RJ |
125 | |
126 | #define MT9M111_MIN_DARK_ROWS 8 | |
669470a8 | 127 | #define MT9M111_MIN_DARK_COLS 26 |
77110abb RJ |
128 | #define MT9M111_MAX_HEIGHT 1024 |
129 | #define MT9M111_MAX_WIDTH 1280 | |
130 | ||
760697be GL |
131 | /* MT9M111 has only one fixed colorspace per pixelcode */ |
132 | struct mt9m111_datafmt { | |
133 | enum v4l2_mbus_pixelcode code; | |
134 | enum v4l2_colorspace colorspace; | |
135 | }; | |
136 | ||
137 | /* Find a data format by a pixel code in an array */ | |
138 | static const struct mt9m111_datafmt *mt9m111_find_datafmt( | |
139 | enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt, | |
140 | int n) | |
141 | { | |
142 | int i; | |
143 | for (i = 0; i < n; i++) | |
144 | if (fmt[i].code == code) | |
145 | return fmt + i; | |
146 | ||
147 | return NULL; | |
148 | } | |
149 | ||
150 | static const struct mt9m111_datafmt mt9m111_colour_fmts[] = { | |
ace6e979 GL |
151 | {V4L2_MBUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG}, |
152 | {V4L2_MBUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG}, | |
153 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, | |
154 | {V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG}, | |
760697be GL |
155 | {V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, |
156 | {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, | |
157 | {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, | |
158 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, | |
77110abb RJ |
159 | }; |
160 | ||
161 | enum mt9m111_context { | |
162 | HIGHPOWER = 0, | |
163 | LOWPOWER, | |
164 | }; | |
165 | ||
166 | struct mt9m111 { | |
979ea1dd | 167 | struct v4l2_subdev subdev; |
c8cf078e PW |
168 | int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code |
169 | * from v4l2-chip-ident.h */ | |
77110abb | 170 | enum mt9m111_context context; |
09e231b3 | 171 | struct v4l2_rect rect; |
760697be | 172 | const struct mt9m111_datafmt *fmt; |
96c75399 | 173 | unsigned int gain; |
77110abb RJ |
174 | unsigned char autoexposure; |
175 | unsigned char datawidth; | |
176 | unsigned int powered:1; | |
177 | unsigned int hflip:1; | |
178 | unsigned int vflip:1; | |
179 | unsigned int swap_rgb_even_odd:1; | |
180 | unsigned int swap_rgb_red_blue:1; | |
181 | unsigned int swap_yuv_y_chromas:1; | |
182 | unsigned int swap_yuv_cb_cr:1; | |
39bf372f | 183 | unsigned int autowhitebalance:1; |
77110abb RJ |
184 | }; |
185 | ||
979ea1dd GL |
186 | static struct mt9m111 *to_mt9m111(const struct i2c_client *client) |
187 | { | |
188 | return container_of(i2c_get_clientdata(client), struct mt9m111, subdev); | |
189 | } | |
190 | ||
77110abb RJ |
191 | static int reg_page_map_set(struct i2c_client *client, const u16 reg) |
192 | { | |
193 | int ret; | |
194 | u16 page; | |
195 | static int lastpage = -1; /* PageMap cache value */ | |
196 | ||
197 | page = (reg >> 8); | |
198 | if (page == lastpage) | |
199 | return 0; | |
200 | if (page > 2) | |
201 | return -EINVAL; | |
202 | ||
203 | ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); | |
506c629a | 204 | if (!ret) |
77110abb RJ |
205 | lastpage = page; |
206 | return ret; | |
207 | } | |
208 | ||
9538e1c2 | 209 | static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) |
77110abb | 210 | { |
77110abb RJ |
211 | int ret; |
212 | ||
213 | ret = reg_page_map_set(client, reg); | |
214 | if (!ret) | |
6a6c8786 | 215 | ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff)); |
77110abb | 216 | |
9538e1c2 | 217 | dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret); |
77110abb RJ |
218 | return ret; |
219 | } | |
220 | ||
9538e1c2 | 221 | static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, |
77110abb RJ |
222 | const u16 data) |
223 | { | |
77110abb RJ |
224 | int ret; |
225 | ||
226 | ret = reg_page_map_set(client, reg); | |
506c629a | 227 | if (!ret) |
40e2e092 | 228 | ret = i2c_smbus_write_word_data(client, reg & 0xff, |
77110abb | 229 | swab16(data)); |
9538e1c2 | 230 | dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); |
77110abb RJ |
231 | return ret; |
232 | } | |
233 | ||
9538e1c2 | 234 | static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, |
77110abb RJ |
235 | const u16 data) |
236 | { | |
237 | int ret; | |
238 | ||
9538e1c2 | 239 | ret = mt9m111_reg_read(client, reg); |
77110abb | 240 | if (ret >= 0) |
9538e1c2 | 241 | ret = mt9m111_reg_write(client, reg, ret | data); |
77110abb RJ |
242 | return ret; |
243 | } | |
244 | ||
9538e1c2 | 245 | static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, |
77110abb RJ |
246 | const u16 data) |
247 | { | |
248 | int ret; | |
249 | ||
9538e1c2 GL |
250 | ret = mt9m111_reg_read(client, reg); |
251 | return mt9m111_reg_write(client, reg, ret & ~data); | |
77110abb RJ |
252 | } |
253 | ||
2768cbbb | 254 | static int mt9m111_set_context(struct mt9m111 *mt9m111, |
77110abb RJ |
255 | enum mt9m111_context ctxt) |
256 | { | |
2768cbbb | 257 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
258 | int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B |
259 | | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B | |
260 | | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B | |
261 | | MT9M111_CTXT_CTRL_VBLANK_SEL_B | |
262 | | MT9M111_CTXT_CTRL_HBLANK_SEL_B; | |
263 | int valA = MT9M111_CTXT_CTRL_RESTART; | |
264 | ||
265 | if (ctxt == HIGHPOWER) | |
266 | return reg_write(CONTEXT_CONTROL, valB); | |
267 | else | |
268 | return reg_write(CONTEXT_CONTROL, valA); | |
269 | } | |
270 | ||
2768cbbb | 271 | static int mt9m111_setup_rect(struct mt9m111 *mt9m111, |
09e231b3 | 272 | struct v4l2_rect *rect) |
77110abb | 273 | { |
2768cbbb | 274 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
506c629a | 275 | int ret, is_raw_format; |
09e231b3 GL |
276 | int width = rect->width; |
277 | int height = rect->height; | |
77110abb | 278 | |
760697be GL |
279 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
280 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) | |
77110abb RJ |
281 | is_raw_format = 1; |
282 | else | |
283 | is_raw_format = 0; | |
284 | ||
09e231b3 | 285 | ret = reg_write(COLUMN_START, rect->left); |
506c629a | 286 | if (!ret) |
09e231b3 | 287 | ret = reg_write(ROW_START, rect->top); |
77110abb RJ |
288 | |
289 | if (is_raw_format) { | |
506c629a | 290 | if (!ret) |
77110abb | 291 | ret = reg_write(WINDOW_WIDTH, width); |
506c629a | 292 | if (!ret) |
77110abb RJ |
293 | ret = reg_write(WINDOW_HEIGHT, height); |
294 | } else { | |
506c629a | 295 | if (!ret) |
77110abb | 296 | ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); |
506c629a | 297 | if (!ret) |
77110abb | 298 | ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); |
506c629a | 299 | if (!ret) |
77110abb | 300 | ret = reg_write(REDUCER_XSIZE_B, width); |
506c629a | 301 | if (!ret) |
77110abb | 302 | ret = reg_write(REDUCER_YSIZE_B, height); |
506c629a | 303 | if (!ret) |
77110abb | 304 | ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); |
506c629a | 305 | if (!ret) |
77110abb | 306 | ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); |
506c629a | 307 | if (!ret) |
77110abb | 308 | ret = reg_write(REDUCER_XSIZE_A, width); |
506c629a | 309 | if (!ret) |
77110abb RJ |
310 | ret = reg_write(REDUCER_YSIZE_A, height); |
311 | } | |
312 | ||
313 | return ret; | |
314 | } | |
315 | ||
979ea1dd | 316 | static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt) |
77110abb RJ |
317 | { |
318 | int ret; | |
4bc90dea TG |
319 | u16 mask = MT9M111_OUTFMT_PROCESSED_BAYER | MT9M111_OUTFMT_RGB | |
320 | MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_SWAP_RGB_EVEN | | |
321 | MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 | | |
322 | MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr | | |
323 | MT9M111_OUTFMT_SWAP_YCbCr_C_Y; | |
77110abb | 324 | |
4bc90dea TG |
325 | ret = reg_read(OUTPUT_FORMAT_CTRL2_A); |
326 | if (ret >= 0) | |
327 | ret = reg_write(OUTPUT_FORMAT_CTRL2_A, (ret & ~mask) | outfmt); | |
506c629a | 328 | if (!ret) |
4bc90dea TG |
329 | ret = reg_read(OUTPUT_FORMAT_CTRL2_B); |
330 | if (ret >= 0) | |
331 | ret = reg_write(OUTPUT_FORMAT_CTRL2_B, (ret & ~mask) | outfmt); | |
332 | ||
77110abb RJ |
333 | return ret; |
334 | } | |
335 | ||
2768cbbb | 336 | static int mt9m111_setfmt_bayer8(struct mt9m111 *mt9m111) |
77110abb | 337 | { |
2768cbbb GL |
338 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
339 | ||
760697be GL |
340 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER | |
341 | MT9M111_OUTFMT_RGB); | |
77110abb RJ |
342 | } |
343 | ||
2768cbbb | 344 | static int mt9m111_setfmt_bayer10(struct mt9m111 *mt9m111) |
77110abb | 345 | { |
2768cbbb GL |
346 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
347 | ||
979ea1dd | 348 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP); |
77110abb RJ |
349 | } |
350 | ||
2768cbbb | 351 | static int mt9m111_setfmt_rgb565(struct mt9m111 *mt9m111) |
77110abb | 352 | { |
2768cbbb GL |
353 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
354 | int val = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; | |
77110abb RJ |
355 | |
356 | if (mt9m111->swap_rgb_red_blue) | |
357 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
358 | if (mt9m111->swap_rgb_even_odd) | |
359 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; | |
77110abb | 360 | |
979ea1dd | 361 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
362 | } |
363 | ||
2768cbbb | 364 | static int mt9m111_setfmt_rgb555(struct mt9m111 *mt9m111) |
77110abb | 365 | { |
2768cbbb GL |
366 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
367 | int val = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; | |
77110abb RJ |
368 | |
369 | if (mt9m111->swap_rgb_red_blue) | |
370 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
371 | if (mt9m111->swap_rgb_even_odd) | |
372 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; | |
77110abb | 373 | |
979ea1dd | 374 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
375 | } |
376 | ||
2768cbbb | 377 | static int mt9m111_setfmt_yuv(struct mt9m111 *mt9m111) |
77110abb | 378 | { |
2768cbbb | 379 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
380 | int val = 0; |
381 | ||
382 | if (mt9m111->swap_yuv_cb_cr) | |
383 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
384 | if (mt9m111->swap_yuv_y_chromas) | |
385 | val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y; | |
386 | ||
979ea1dd | 387 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
388 | } |
389 | ||
2768cbbb | 390 | static int mt9m111_enable(struct mt9m111 *mt9m111) |
77110abb | 391 | { |
2768cbbb | 392 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
393 | int ret; |
394 | ||
395 | ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); | |
506c629a | 396 | if (!ret) |
77110abb RJ |
397 | mt9m111->powered = 1; |
398 | return ret; | |
399 | } | |
400 | ||
2768cbbb | 401 | static int mt9m111_reset(struct mt9m111 *mt9m111) |
77110abb | 402 | { |
2768cbbb | 403 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
404 | int ret; |
405 | ||
406 | ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); | |
506c629a | 407 | if (!ret) |
77110abb | 408 | ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); |
506c629a | 409 | if (!ret) |
77110abb RJ |
410 | ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE |
411 | | MT9M111_RESET_RESET_SOC); | |
afb13683 | 412 | |
77110abb RJ |
413 | return ret; |
414 | } | |
415 | ||
77110abb RJ |
416 | static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) |
417 | { | |
40e2e092 | 418 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
bd73b36f | 419 | unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | |
77110abb | 420 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | |
2d9329f3 | 421 | SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8; |
bd73b36f GL |
422 | |
423 | return soc_camera_apply_sensor_flags(icl, flags); | |
77110abb RJ |
424 | } |
425 | ||
426 | static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) | |
427 | { | |
428 | return 0; | |
429 | } | |
430 | ||
2768cbbb | 431 | static int mt9m111_make_rect(struct mt9m111 *mt9m111, |
6a6c8786 GL |
432 | struct v4l2_rect *rect) |
433 | { | |
760697be GL |
434 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
435 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) { | |
6a6c8786 GL |
436 | /* Bayer format - even size lengths */ |
437 | rect->width = ALIGN(rect->width, 2); | |
438 | rect->height = ALIGN(rect->height, 2); | |
439 | /* Let the user play with the starting pixel */ | |
440 | } | |
441 | ||
442 | /* FIXME: the datasheet doesn't specify minimum sizes */ | |
443 | soc_camera_limit_side(&rect->left, &rect->width, | |
444 | MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH); | |
445 | ||
446 | soc_camera_limit_side(&rect->top, &rect->height, | |
447 | MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT); | |
448 | ||
2768cbbb | 449 | return mt9m111_setup_rect(mt9m111, rect); |
6a6c8786 GL |
450 | } |
451 | ||
08590b96 | 452 | static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
09e231b3 | 453 | { |
6a6c8786 | 454 | struct v4l2_rect rect = a->c; |
c4ce6d14 | 455 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
2768cbbb | 456 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
09e231b3 GL |
457 | int ret; |
458 | ||
85f8be68 | 459 | dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n", |
6a6c8786 | 460 | __func__, rect.left, rect.top, rect.width, rect.height); |
09e231b3 | 461 | |
6b6d33c7 MG |
462 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
463 | return -EINVAL; | |
464 | ||
2768cbbb | 465 | ret = mt9m111_make_rect(mt9m111, &rect); |
09e231b3 | 466 | if (!ret) |
6a6c8786 | 467 | mt9m111->rect = rect; |
09e231b3 GL |
468 | return ret; |
469 | } | |
470 | ||
6a6c8786 GL |
471 | static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
472 | { | |
2768cbbb | 473 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
6a6c8786 GL |
474 | |
475 | a->c = mt9m111->rect; | |
476 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | |
482 | { | |
6b6d33c7 MG |
483 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
484 | return -EINVAL; | |
485 | ||
6a6c8786 GL |
486 | a->bounds.left = MT9M111_MIN_DARK_COLS; |
487 | a->bounds.top = MT9M111_MIN_DARK_ROWS; | |
488 | a->bounds.width = MT9M111_MAX_WIDTH; | |
489 | a->bounds.height = MT9M111_MAX_HEIGHT; | |
490 | a->defrect = a->bounds; | |
6a6c8786 GL |
491 | a->pixelaspect.numerator = 1; |
492 | a->pixelaspect.denominator = 1; | |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
760697be GL |
497 | static int mt9m111_g_fmt(struct v4l2_subdev *sd, |
498 | struct v4l2_mbus_framefmt *mf) | |
6a6c8786 | 499 | { |
2768cbbb | 500 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
6a6c8786 | 501 | |
760697be GL |
502 | mf->width = mt9m111->rect.width; |
503 | mf->height = mt9m111->rect.height; | |
504 | mf->code = mt9m111->fmt->code; | |
01f5a394 | 505 | mf->colorspace = mt9m111->fmt->colorspace; |
760697be | 506 | mf->field = V4L2_FIELD_NONE; |
6a6c8786 GL |
507 | |
508 | return 0; | |
509 | } | |
510 | ||
2768cbbb | 511 | static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111, |
760697be | 512 | enum v4l2_mbus_pixelcode code) |
77110abb | 513 | { |
2768cbbb | 514 | struct i2c_client *client; |
506c629a | 515 | int ret; |
77110abb | 516 | |
760697be GL |
517 | switch (code) { |
518 | case V4L2_MBUS_FMT_SBGGR8_1X8: | |
2768cbbb | 519 | ret = mt9m111_setfmt_bayer8(mt9m111); |
77110abb | 520 | break; |
760697be | 521 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE: |
2768cbbb | 522 | ret = mt9m111_setfmt_bayer10(mt9m111); |
77110abb | 523 | break; |
760697be | 524 | case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE: |
2768cbbb | 525 | ret = mt9m111_setfmt_rgb555(mt9m111); |
77110abb | 526 | break; |
760697be | 527 | case V4L2_MBUS_FMT_RGB565_2X8_LE: |
2768cbbb | 528 | ret = mt9m111_setfmt_rgb565(mt9m111); |
77110abb | 529 | break; |
ace6e979 | 530 | case V4L2_MBUS_FMT_UYVY8_2X8: |
88f4b899 RJ |
531 | mt9m111->swap_yuv_y_chromas = 0; |
532 | mt9m111->swap_yuv_cb_cr = 0; | |
2768cbbb | 533 | ret = mt9m111_setfmt_yuv(mt9m111); |
88f4b899 | 534 | break; |
ace6e979 | 535 | case V4L2_MBUS_FMT_VYUY8_2X8: |
88f4b899 RJ |
536 | mt9m111->swap_yuv_y_chromas = 0; |
537 | mt9m111->swap_yuv_cb_cr = 1; | |
2768cbbb | 538 | ret = mt9m111_setfmt_yuv(mt9m111); |
88f4b899 | 539 | break; |
ace6e979 | 540 | case V4L2_MBUS_FMT_YUYV8_2X8: |
88f4b899 RJ |
541 | mt9m111->swap_yuv_y_chromas = 1; |
542 | mt9m111->swap_yuv_cb_cr = 0; | |
2768cbbb | 543 | ret = mt9m111_setfmt_yuv(mt9m111); |
88f4b899 | 544 | break; |
ace6e979 | 545 | case V4L2_MBUS_FMT_YVYU8_2X8: |
88f4b899 RJ |
546 | mt9m111->swap_yuv_y_chromas = 1; |
547 | mt9m111->swap_yuv_cb_cr = 1; | |
2768cbbb | 548 | ret = mt9m111_setfmt_yuv(mt9m111); |
77110abb RJ |
549 | break; |
550 | default: | |
2768cbbb | 551 | client = v4l2_get_subdevdata(&mt9m111->subdev); |
96c75399 | 552 | dev_err(&client->dev, "Pixel format not handled : %x\n", |
760697be | 553 | code); |
77110abb RJ |
554 | ret = -EINVAL; |
555 | } | |
556 | ||
77110abb RJ |
557 | return ret; |
558 | } | |
559 | ||
760697be GL |
560 | static int mt9m111_s_fmt(struct v4l2_subdev *sd, |
561 | struct v4l2_mbus_framefmt *mf) | |
77110abb | 562 | { |
c4ce6d14 | 563 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
760697be | 564 | const struct mt9m111_datafmt *fmt; |
2768cbbb | 565 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
09e231b3 GL |
566 | struct v4l2_rect rect = { |
567 | .left = mt9m111->rect.left, | |
568 | .top = mt9m111->rect.top, | |
760697be GL |
569 | .width = mf->width, |
570 | .height = mf->height, | |
09e231b3 | 571 | }; |
506c629a | 572 | int ret; |
77110abb | 573 | |
760697be GL |
574 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
575 | ARRAY_SIZE(mt9m111_colour_fmts)); | |
576 | if (!fmt) | |
577 | return -EINVAL; | |
578 | ||
96c75399 | 579 | dev_dbg(&client->dev, |
760697be GL |
580 | "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__, |
581 | mf->code, rect.left, rect.top, rect.width, rect.height); | |
77110abb | 582 | |
2768cbbb | 583 | ret = mt9m111_make_rect(mt9m111, &rect); |
09e231b3 | 584 | if (!ret) |
2768cbbb | 585 | ret = mt9m111_set_pixfmt(mt9m111, mf->code); |
760697be GL |
586 | if (!ret) { |
587 | mt9m111->rect = rect; | |
588 | mt9m111->fmt = fmt; | |
589 | mf->colorspace = fmt->colorspace; | |
590 | } | |
591 | ||
506c629a | 592 | return ret; |
77110abb RJ |
593 | } |
594 | ||
760697be GL |
595 | static int mt9m111_try_fmt(struct v4l2_subdev *sd, |
596 | struct v4l2_mbus_framefmt *mf) | |
77110abb | 597 | { |
2768cbbb | 598 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
760697be GL |
599 | const struct mt9m111_datafmt *fmt; |
600 | bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 || | |
601 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE; | |
602 | ||
603 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, | |
604 | ARRAY_SIZE(mt9m111_colour_fmts)); | |
605 | if (!fmt) { | |
606 | fmt = mt9m111->fmt; | |
607 | mf->code = fmt->code; | |
608 | } | |
6a6c8786 GL |
609 | |
610 | /* | |
611 | * With Bayer format enforce even side lengths, but let the user play | |
612 | * with the starting pixel | |
613 | */ | |
64f5905e | 614 | |
760697be GL |
615 | if (mf->height > MT9M111_MAX_HEIGHT) |
616 | mf->height = MT9M111_MAX_HEIGHT; | |
617 | else if (mf->height < 2) | |
618 | mf->height = 2; | |
6a6c8786 | 619 | else if (bayer) |
760697be | 620 | mf->height = ALIGN(mf->height, 2); |
6a6c8786 | 621 | |
760697be GL |
622 | if (mf->width > MT9M111_MAX_WIDTH) |
623 | mf->width = MT9M111_MAX_WIDTH; | |
624 | else if (mf->width < 2) | |
625 | mf->width = 2; | |
6a6c8786 | 626 | else if (bayer) |
760697be GL |
627 | mf->width = ALIGN(mf->width, 2); |
628 | ||
629 | mf->colorspace = fmt->colorspace; | |
77110abb RJ |
630 | |
631 | return 0; | |
632 | } | |
633 | ||
979ea1dd GL |
634 | static int mt9m111_g_chip_ident(struct v4l2_subdev *sd, |
635 | struct v4l2_dbg_chip_ident *id) | |
77110abb | 636 | { |
c4ce6d14 | 637 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
2768cbbb | 638 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
77110abb | 639 | |
aecde8b5 | 640 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
77110abb RJ |
641 | return -EINVAL; |
642 | ||
40e2e092 | 643 | if (id->match.addr != client->addr) |
77110abb RJ |
644 | return -ENODEV; |
645 | ||
646 | id->ident = mt9m111->model; | |
647 | id->revision = 0; | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
652 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
979ea1dd GL |
653 | static int mt9m111_g_register(struct v4l2_subdev *sd, |
654 | struct v4l2_dbg_register *reg) | |
77110abb | 655 | { |
c4ce6d14 | 656 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
77110abb | 657 | int val; |
77110abb | 658 | |
aecde8b5 | 659 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
77110abb | 660 | return -EINVAL; |
9538e1c2 | 661 | if (reg->match.addr != client->addr) |
77110abb RJ |
662 | return -ENODEV; |
663 | ||
9538e1c2 | 664 | val = mt9m111_reg_read(client, reg->reg); |
aecde8b5 | 665 | reg->size = 2; |
77110abb RJ |
666 | reg->val = (u64)val; |
667 | ||
668 | if (reg->val > 0xffff) | |
669 | return -EIO; | |
670 | ||
671 | return 0; | |
672 | } | |
673 | ||
979ea1dd GL |
674 | static int mt9m111_s_register(struct v4l2_subdev *sd, |
675 | struct v4l2_dbg_register *reg) | |
77110abb | 676 | { |
c4ce6d14 | 677 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
77110abb | 678 | |
aecde8b5 | 679 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
77110abb RJ |
680 | return -EINVAL; |
681 | ||
9538e1c2 | 682 | if (reg->match.addr != client->addr) |
77110abb RJ |
683 | return -ENODEV; |
684 | ||
9538e1c2 | 685 | if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) |
77110abb RJ |
686 | return -EIO; |
687 | ||
688 | return 0; | |
689 | } | |
690 | #endif | |
691 | ||
692 | static const struct v4l2_queryctrl mt9m111_controls[] = { | |
693 | { | |
694 | .id = V4L2_CID_VFLIP, | |
695 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
696 | .name = "Flip Verticaly", | |
697 | .minimum = 0, | |
698 | .maximum = 1, | |
699 | .step = 1, | |
700 | .default_value = 0, | |
701 | }, { | |
702 | .id = V4L2_CID_HFLIP, | |
703 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
704 | .name = "Flip Horizontaly", | |
705 | .minimum = 0, | |
706 | .maximum = 1, | |
707 | .step = 1, | |
708 | .default_value = 0, | |
709 | }, { /* gain = 1/32*val (=>gain=1 if val==32) */ | |
710 | .id = V4L2_CID_GAIN, | |
711 | .type = V4L2_CTRL_TYPE_INTEGER, | |
712 | .name = "Gain", | |
713 | .minimum = 0, | |
714 | .maximum = 63 * 2 * 2, | |
715 | .step = 1, | |
716 | .default_value = 32, | |
717 | .flags = V4L2_CTRL_FLAG_SLIDER, | |
718 | }, { | |
719 | .id = V4L2_CID_EXPOSURE_AUTO, | |
720 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
721 | .name = "Auto Exposure", | |
722 | .minimum = 0, | |
723 | .maximum = 1, | |
724 | .step = 1, | |
725 | .default_value = 1, | |
726 | } | |
727 | }; | |
728 | ||
77110abb | 729 | static int mt9m111_resume(struct soc_camera_device *icd); |
96c75399 | 730 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state); |
77110abb RJ |
731 | |
732 | static struct soc_camera_ops mt9m111_ops = { | |
96c75399 | 733 | .suspend = mt9m111_suspend, |
77110abb | 734 | .resume = mt9m111_resume, |
77110abb RJ |
735 | .query_bus_param = mt9m111_query_bus_param, |
736 | .set_bus_param = mt9m111_set_bus_param, | |
737 | .controls = mt9m111_controls, | |
738 | .num_controls = ARRAY_SIZE(mt9m111_controls), | |
77110abb RJ |
739 | }; |
740 | ||
2768cbbb | 741 | static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask) |
77110abb | 742 | { |
2768cbbb | 743 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
744 | int ret; |
745 | ||
746 | if (mt9m111->context == HIGHPOWER) { | |
747 | if (flip) | |
748 | ret = reg_set(READ_MODE_B, mask); | |
749 | else | |
750 | ret = reg_clear(READ_MODE_B, mask); | |
751 | } else { | |
752 | if (flip) | |
753 | ret = reg_set(READ_MODE_A, mask); | |
754 | else | |
755 | ret = reg_clear(READ_MODE_A, mask); | |
756 | } | |
757 | ||
758 | return ret; | |
759 | } | |
760 | ||
2768cbbb | 761 | static int mt9m111_get_global_gain(struct mt9m111 *mt9m111) |
77110abb | 762 | { |
2768cbbb | 763 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
0f28b793 | 764 | int data; |
77110abb RJ |
765 | |
766 | data = reg_read(GLOBAL_GAIN); | |
767 | if (data >= 0) | |
0f28b793 | 768 | return (data & 0x2f) * (1 << ((data >> 10) & 1)) * |
769 | (1 << ((data >> 9) & 1)); | |
770 | return data; | |
77110abb | 771 | } |
0f28b793 | 772 | |
2768cbbb | 773 | static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain) |
77110abb | 774 | { |
2768cbbb | 775 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
776 | u16 val; |
777 | ||
778 | if (gain > 63 * 2 * 2) | |
779 | return -EINVAL; | |
780 | ||
96c75399 | 781 | mt9m111->gain = gain; |
77110abb RJ |
782 | if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) |
783 | val = (1 << 10) | (1 << 9) | (gain / 4); | |
784 | else if ((gain >= 64) && (gain < 64 * 2)) | |
506c629a | 785 | val = (1 << 9) | (gain / 2); |
77110abb RJ |
786 | else |
787 | val = gain; | |
788 | ||
789 | return reg_write(GLOBAL_GAIN, val); | |
790 | } | |
791 | ||
2768cbbb | 792 | static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int on) |
77110abb | 793 | { |
2768cbbb | 794 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
795 | int ret; |
796 | ||
797 | if (on) | |
798 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); | |
799 | else | |
800 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); | |
801 | ||
506c629a | 802 | if (!ret) |
77110abb RJ |
803 | mt9m111->autoexposure = on; |
804 | ||
805 | return ret; | |
806 | } | |
39bf372f | 807 | |
2768cbbb | 808 | static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on) |
39bf372f | 809 | { |
2768cbbb | 810 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
39bf372f RJ |
811 | int ret; |
812 | ||
813 | if (on) | |
814 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); | |
815 | else | |
816 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); | |
817 | ||
818 | if (!ret) | |
819 | mt9m111->autowhitebalance = on; | |
820 | ||
821 | return ret; | |
822 | } | |
823 | ||
979ea1dd | 824 | static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
77110abb | 825 | { |
c4ce6d14 | 826 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
2768cbbb | 827 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
77110abb RJ |
828 | int data; |
829 | ||
830 | switch (ctrl->id) { | |
831 | case V4L2_CID_VFLIP: | |
832 | if (mt9m111->context == HIGHPOWER) | |
833 | data = reg_read(READ_MODE_B); | |
834 | else | |
835 | data = reg_read(READ_MODE_A); | |
836 | ||
837 | if (data < 0) | |
838 | return -EIO; | |
839 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS); | |
840 | break; | |
841 | case V4L2_CID_HFLIP: | |
842 | if (mt9m111->context == HIGHPOWER) | |
843 | data = reg_read(READ_MODE_B); | |
844 | else | |
845 | data = reg_read(READ_MODE_A); | |
846 | ||
847 | if (data < 0) | |
848 | return -EIO; | |
849 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS); | |
850 | break; | |
851 | case V4L2_CID_GAIN: | |
2768cbbb | 852 | data = mt9m111_get_global_gain(mt9m111); |
77110abb RJ |
853 | if (data < 0) |
854 | return data; | |
855 | ctrl->value = data; | |
856 | break; | |
857 | case V4L2_CID_EXPOSURE_AUTO: | |
858 | ctrl->value = mt9m111->autoexposure; | |
859 | break; | |
39bf372f RJ |
860 | case V4L2_CID_AUTO_WHITE_BALANCE: |
861 | ctrl->value = mt9m111->autowhitebalance; | |
862 | break; | |
77110abb RJ |
863 | } |
864 | return 0; | |
865 | } | |
866 | ||
979ea1dd | 867 | static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
77110abb | 868 | { |
2768cbbb | 869 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
77110abb | 870 | const struct v4l2_queryctrl *qctrl; |
506c629a | 871 | int ret; |
77110abb RJ |
872 | |
873 | qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); | |
77110abb RJ |
874 | if (!qctrl) |
875 | return -EINVAL; | |
876 | ||
877 | switch (ctrl->id) { | |
878 | case V4L2_CID_VFLIP: | |
879 | mt9m111->vflip = ctrl->value; | |
2768cbbb | 880 | ret = mt9m111_set_flip(mt9m111, ctrl->value, |
77110abb RJ |
881 | MT9M111_RMB_MIRROR_ROWS); |
882 | break; | |
883 | case V4L2_CID_HFLIP: | |
884 | mt9m111->hflip = ctrl->value; | |
2768cbbb | 885 | ret = mt9m111_set_flip(mt9m111, ctrl->value, |
77110abb RJ |
886 | MT9M111_RMB_MIRROR_COLS); |
887 | break; | |
888 | case V4L2_CID_GAIN: | |
2768cbbb | 889 | ret = mt9m111_set_global_gain(mt9m111, ctrl->value); |
77110abb RJ |
890 | break; |
891 | case V4L2_CID_EXPOSURE_AUTO: | |
2768cbbb | 892 | ret = mt9m111_set_autoexposure(mt9m111, ctrl->value); |
77110abb | 893 | break; |
39bf372f | 894 | case V4L2_CID_AUTO_WHITE_BALANCE: |
2768cbbb | 895 | ret = mt9m111_set_autowhitebalance(mt9m111, ctrl->value); |
39bf372f | 896 | break; |
77110abb RJ |
897 | default: |
898 | ret = -EINVAL; | |
899 | } | |
900 | ||
506c629a | 901 | return ret; |
77110abb RJ |
902 | } |
903 | ||
96c75399 GL |
904 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state) |
905 | { | |
906 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); | |
907 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
908 | ||
2768cbbb | 909 | mt9m111->gain = mt9m111_get_global_gain(mt9m111); |
96c75399 GL |
910 | |
911 | return 0; | |
912 | } | |
913 | ||
2768cbbb | 914 | static void mt9m111_restore_state(struct mt9m111 *mt9m111) |
77110abb | 915 | { |
2768cbbb GL |
916 | mt9m111_set_context(mt9m111, mt9m111->context); |
917 | mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code); | |
918 | mt9m111_setup_rect(mt9m111, &mt9m111->rect); | |
919 | mt9m111_set_flip(mt9m111, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS); | |
920 | mt9m111_set_flip(mt9m111, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); | |
921 | mt9m111_set_global_gain(mt9m111, mt9m111->gain); | |
922 | mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure); | |
923 | mt9m111_set_autowhitebalance(mt9m111, mt9m111->autowhitebalance); | |
77110abb RJ |
924 | } |
925 | ||
926 | static int mt9m111_resume(struct soc_camera_device *icd) | |
927 | { | |
40e2e092 | 928 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); |
979ea1dd | 929 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
930 | int ret = 0; |
931 | ||
932 | if (mt9m111->powered) { | |
2768cbbb | 933 | ret = mt9m111_enable(mt9m111); |
506c629a | 934 | if (!ret) |
2768cbbb | 935 | ret = mt9m111_reset(mt9m111); |
506c629a | 936 | if (!ret) |
2768cbbb | 937 | mt9m111_restore_state(mt9m111); |
77110abb RJ |
938 | } |
939 | return ret; | |
940 | } | |
941 | ||
2768cbbb | 942 | static int mt9m111_init(struct mt9m111 *mt9m111) |
77110abb | 943 | { |
2768cbbb | 944 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
77110abb RJ |
945 | int ret; |
946 | ||
947 | mt9m111->context = HIGHPOWER; | |
2768cbbb | 948 | ret = mt9m111_enable(mt9m111); |
506c629a | 949 | if (!ret) |
2768cbbb | 950 | ret = mt9m111_reset(mt9m111); |
506c629a | 951 | if (!ret) |
2768cbbb | 952 | ret = mt9m111_set_context(mt9m111, mt9m111->context); |
506c629a | 953 | if (!ret) |
2768cbbb | 954 | ret = mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure); |
506c629a | 955 | if (ret) |
c8cf078e | 956 | dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); |
506c629a | 957 | return ret; |
77110abb RJ |
958 | } |
959 | ||
77110abb RJ |
960 | /* |
961 | * Interface active, can use i2c. If it fails, it can indeed mean, that | |
962 | * this wasn't our capture interface, so, we wait for the right one | |
963 | */ | |
40e2e092 GL |
964 | static int mt9m111_video_probe(struct soc_camera_device *icd, |
965 | struct i2c_client *client) | |
77110abb | 966 | { |
979ea1dd | 967 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
968 | s32 data; |
969 | int ret; | |
970 | ||
971 | /* | |
972 | * We must have a parent by now. And it cannot be a wrong one. | |
973 | * So this entire test is completely redundant. | |
974 | */ | |
975 | if (!icd->dev.parent || | |
976 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) | |
977 | return -ENODEV; | |
978 | ||
a4c56fd8 GL |
979 | mt9m111->autoexposure = 1; |
980 | mt9m111->autowhitebalance = 1; | |
981 | ||
982 | mt9m111->swap_rgb_even_odd = 1; | |
983 | mt9m111->swap_rgb_red_blue = 1; | |
984 | ||
77110abb RJ |
985 | data = reg_read(CHIP_VERSION); |
986 | ||
987 | switch (data) { | |
c8cf078e | 988 | case 0x143a: /* MT9M111 or MT9M131 */ |
77110abb | 989 | mt9m111->model = V4L2_IDENT_MT9M111; |
c8cf078e PW |
990 | dev_info(&client->dev, |
991 | "Detected a MT9M111/MT9M131 chip ID %x\n", data); | |
d7f83a51 MR |
992 | break; |
993 | case 0x148c: /* MT9M112 */ | |
994 | mt9m111->model = V4L2_IDENT_MT9M112; | |
c8cf078e | 995 | dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); |
77110abb RJ |
996 | break; |
997 | default: | |
998 | ret = -ENODEV; | |
85f8be68 | 999 | dev_err(&client->dev, |
c8cf078e PW |
1000 | "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", |
1001 | data); | |
77110abb RJ |
1002 | goto ei2c; |
1003 | } | |
1004 | ||
2768cbbb | 1005 | ret = mt9m111_init(mt9m111); |
175bad92 | 1006 | |
77110abb RJ |
1007 | ei2c: |
1008 | return ret; | |
1009 | } | |
1010 | ||
979ea1dd GL |
1011 | static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { |
1012 | .g_ctrl = mt9m111_g_ctrl, | |
1013 | .s_ctrl = mt9m111_s_ctrl, | |
1014 | .g_chip_ident = mt9m111_g_chip_ident, | |
1015 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1016 | .g_register = mt9m111_g_register, | |
1017 | .s_register = mt9m111_s_register, | |
1018 | #endif | |
1019 | }; | |
1020 | ||
3805f201 | 1021 | static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
760697be GL |
1022 | enum v4l2_mbus_pixelcode *code) |
1023 | { | |
3805f201 | 1024 | if (index >= ARRAY_SIZE(mt9m111_colour_fmts)) |
760697be GL |
1025 | return -EINVAL; |
1026 | ||
1027 | *code = mt9m111_colour_fmts[index].code; | |
1028 | return 0; | |
1029 | } | |
1030 | ||
979ea1dd | 1031 | static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { |
760697be GL |
1032 | .s_mbus_fmt = mt9m111_s_fmt, |
1033 | .g_mbus_fmt = mt9m111_g_fmt, | |
1034 | .try_mbus_fmt = mt9m111_try_fmt, | |
08590b96 | 1035 | .s_crop = mt9m111_s_crop, |
6a6c8786 GL |
1036 | .g_crop = mt9m111_g_crop, |
1037 | .cropcap = mt9m111_cropcap, | |
760697be | 1038 | .enum_mbus_fmt = mt9m111_enum_fmt, |
979ea1dd GL |
1039 | }; |
1040 | ||
1041 | static struct v4l2_subdev_ops mt9m111_subdev_ops = { | |
1042 | .core = &mt9m111_subdev_core_ops, | |
1043 | .video = &mt9m111_subdev_video_ops, | |
1044 | }; | |
1045 | ||
77110abb RJ |
1046 | static int mt9m111_probe(struct i2c_client *client, |
1047 | const struct i2c_device_id *did) | |
1048 | { | |
1049 | struct mt9m111 *mt9m111; | |
40e2e092 | 1050 | struct soc_camera_device *icd = client->dev.platform_data; |
77110abb | 1051 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); |
40e2e092 | 1052 | struct soc_camera_link *icl; |
77110abb RJ |
1053 | int ret; |
1054 | ||
40e2e092 | 1055 | if (!icd) { |
c8cf078e | 1056 | dev_err(&client->dev, "mt9m111: soc-camera data missing!\n"); |
40e2e092 GL |
1057 | return -EINVAL; |
1058 | } | |
1059 | ||
1060 | icl = to_soc_camera_link(icd); | |
77110abb | 1061 | if (!icl) { |
c8cf078e | 1062 | dev_err(&client->dev, "mt9m111: driver needs platform data\n"); |
77110abb RJ |
1063 | return -EINVAL; |
1064 | } | |
1065 | ||
1066 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { | |
1067 | dev_warn(&adapter->dev, | |
1068 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); | |
1069 | return -EIO; | |
1070 | } | |
1071 | ||
1072 | mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL); | |
1073 | if (!mt9m111) | |
1074 | return -ENOMEM; | |
1075 | ||
979ea1dd | 1076 | v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); |
77110abb RJ |
1077 | |
1078 | /* Second stage probe - when a capture adapter is there */ | |
a0705b07 | 1079 | icd->ops = &mt9m111_ops; |
77110abb | 1080 | |
6a6c8786 GL |
1081 | mt9m111->rect.left = MT9M111_MIN_DARK_COLS; |
1082 | mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; | |
1083 | mt9m111->rect.width = MT9M111_MAX_WIDTH; | |
1084 | mt9m111->rect.height = MT9M111_MAX_HEIGHT; | |
760697be | 1085 | mt9m111->fmt = &mt9m111_colour_fmts[0]; |
6a6c8786 | 1086 | |
40e2e092 GL |
1087 | ret = mt9m111_video_probe(icd, client); |
1088 | if (ret) { | |
1089 | icd->ops = NULL; | |
40e2e092 GL |
1090 | kfree(mt9m111); |
1091 | } | |
77110abb | 1092 | |
77110abb RJ |
1093 | return ret; |
1094 | } | |
1095 | ||
1096 | static int mt9m111_remove(struct i2c_client *client) | |
1097 | { | |
979ea1dd | 1098 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
40e2e092 GL |
1099 | struct soc_camera_device *icd = client->dev.platform_data; |
1100 | ||
1101 | icd->ops = NULL; | |
77110abb RJ |
1102 | kfree(mt9m111); |
1103 | ||
1104 | return 0; | |
1105 | } | |
1106 | ||
1107 | static const struct i2c_device_id mt9m111_id[] = { | |
1108 | { "mt9m111", 0 }, | |
1109 | { } | |
1110 | }; | |
1111 | MODULE_DEVICE_TABLE(i2c, mt9m111_id); | |
1112 | ||
1113 | static struct i2c_driver mt9m111_i2c_driver = { | |
1114 | .driver = { | |
1115 | .name = "mt9m111", | |
1116 | }, | |
1117 | .probe = mt9m111_probe, | |
1118 | .remove = mt9m111_remove, | |
1119 | .id_table = mt9m111_id, | |
1120 | }; | |
1121 | ||
1122 | static int __init mt9m111_mod_init(void) | |
1123 | { | |
1124 | return i2c_add_driver(&mt9m111_i2c_driver); | |
1125 | } | |
1126 | ||
1127 | static void __exit mt9m111_mod_exit(void) | |
1128 | { | |
1129 | i2c_del_driver(&mt9m111_i2c_driver); | |
1130 | } | |
1131 | ||
1132 | module_init(mt9m111_mod_init); | |
1133 | module_exit(mt9m111_mod_exit); | |
1134 | ||
c8cf078e | 1135 | MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); |
77110abb RJ |
1136 | MODULE_AUTHOR("Robert Jarzmik"); |
1137 | MODULE_LICENSE("GPL"); |