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 | |
127 | #define MT9M111_MIN_DARK_COLS 24 | |
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 | ||
979ea1dd | 254 | static int mt9m111_set_context(struct i2c_client *client, |
77110abb RJ |
255 | enum mt9m111_context ctxt) |
256 | { | |
257 | int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B | |
258 | | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B | |
259 | | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B | |
260 | | MT9M111_CTXT_CTRL_VBLANK_SEL_B | |
261 | | MT9M111_CTXT_CTRL_HBLANK_SEL_B; | |
262 | int valA = MT9M111_CTXT_CTRL_RESTART; | |
263 | ||
264 | if (ctxt == HIGHPOWER) | |
265 | return reg_write(CONTEXT_CONTROL, valB); | |
266 | else | |
267 | return reg_write(CONTEXT_CONTROL, valA); | |
268 | } | |
269 | ||
979ea1dd | 270 | static int mt9m111_setup_rect(struct i2c_client *client, |
09e231b3 | 271 | struct v4l2_rect *rect) |
77110abb | 272 | { |
979ea1dd | 273 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
506c629a | 274 | int ret, is_raw_format; |
09e231b3 GL |
275 | int width = rect->width; |
276 | int height = rect->height; | |
77110abb | 277 | |
760697be GL |
278 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
279 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) | |
77110abb RJ |
280 | is_raw_format = 1; |
281 | else | |
282 | is_raw_format = 0; | |
283 | ||
09e231b3 | 284 | ret = reg_write(COLUMN_START, rect->left); |
506c629a | 285 | if (!ret) |
09e231b3 | 286 | ret = reg_write(ROW_START, rect->top); |
77110abb RJ |
287 | |
288 | if (is_raw_format) { | |
506c629a | 289 | if (!ret) |
77110abb | 290 | ret = reg_write(WINDOW_WIDTH, width); |
506c629a | 291 | if (!ret) |
77110abb RJ |
292 | ret = reg_write(WINDOW_HEIGHT, height); |
293 | } else { | |
506c629a | 294 | if (!ret) |
77110abb | 295 | ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); |
506c629a | 296 | if (!ret) |
77110abb | 297 | ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); |
506c629a | 298 | if (!ret) |
77110abb | 299 | ret = reg_write(REDUCER_XSIZE_B, width); |
506c629a | 300 | if (!ret) |
77110abb | 301 | ret = reg_write(REDUCER_YSIZE_B, height); |
506c629a | 302 | if (!ret) |
77110abb | 303 | ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); |
506c629a | 304 | if (!ret) |
77110abb | 305 | ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); |
506c629a | 306 | if (!ret) |
77110abb | 307 | ret = reg_write(REDUCER_XSIZE_A, width); |
506c629a | 308 | if (!ret) |
77110abb RJ |
309 | ret = reg_write(REDUCER_YSIZE_A, height); |
310 | } | |
311 | ||
312 | return ret; | |
313 | } | |
314 | ||
979ea1dd | 315 | static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt) |
77110abb RJ |
316 | { |
317 | int ret; | |
318 | ||
319 | ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt); | |
506c629a | 320 | if (!ret) |
77110abb RJ |
321 | ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt); |
322 | return ret; | |
323 | } | |
324 | ||
979ea1dd | 325 | static int mt9m111_setfmt_bayer8(struct i2c_client *client) |
77110abb | 326 | { |
760697be GL |
327 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER | |
328 | MT9M111_OUTFMT_RGB); | |
77110abb RJ |
329 | } |
330 | ||
979ea1dd | 331 | static int mt9m111_setfmt_bayer10(struct i2c_client *client) |
77110abb | 332 | { |
979ea1dd | 333 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP); |
77110abb RJ |
334 | } |
335 | ||
979ea1dd | 336 | static int mt9m111_setfmt_rgb565(struct i2c_client *client) |
77110abb | 337 | { |
979ea1dd | 338 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
339 | int val = 0; |
340 | ||
341 | if (mt9m111->swap_rgb_red_blue) | |
342 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
343 | if (mt9m111->swap_rgb_even_odd) | |
344 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; | |
345 | val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; | |
346 | ||
979ea1dd | 347 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
348 | } |
349 | ||
979ea1dd | 350 | static int mt9m111_setfmt_rgb555(struct i2c_client *client) |
77110abb | 351 | { |
979ea1dd | 352 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
353 | int val = 0; |
354 | ||
355 | if (mt9m111->swap_rgb_red_blue) | |
356 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
357 | if (mt9m111->swap_rgb_even_odd) | |
358 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; | |
359 | val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; | |
360 | ||
979ea1dd | 361 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
362 | } |
363 | ||
979ea1dd | 364 | static int mt9m111_setfmt_yuv(struct i2c_client *client) |
77110abb | 365 | { |
979ea1dd | 366 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
367 | int val = 0; |
368 | ||
369 | if (mt9m111->swap_yuv_cb_cr) | |
370 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
371 | if (mt9m111->swap_yuv_y_chromas) | |
372 | val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y; | |
373 | ||
979ea1dd | 374 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
375 | } |
376 | ||
979ea1dd | 377 | static int mt9m111_enable(struct i2c_client *client) |
77110abb | 378 | { |
979ea1dd | 379 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
380 | int ret; |
381 | ||
382 | ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); | |
506c629a | 383 | if (!ret) |
77110abb RJ |
384 | mt9m111->powered = 1; |
385 | return ret; | |
386 | } | |
387 | ||
979ea1dd | 388 | static int mt9m111_reset(struct i2c_client *client) |
77110abb RJ |
389 | { |
390 | int ret; | |
391 | ||
392 | ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); | |
506c629a | 393 | if (!ret) |
77110abb | 394 | ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); |
506c629a | 395 | if (!ret) |
77110abb RJ |
396 | ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE |
397 | | MT9M111_RESET_RESET_SOC); | |
afb13683 | 398 | |
77110abb RJ |
399 | return ret; |
400 | } | |
401 | ||
77110abb RJ |
402 | static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) |
403 | { | |
40e2e092 | 404 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
bd73b36f | 405 | unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | |
77110abb | 406 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | |
2d9329f3 | 407 | SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8; |
bd73b36f GL |
408 | |
409 | return soc_camera_apply_sensor_flags(icl, flags); | |
77110abb RJ |
410 | } |
411 | ||
412 | static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) | |
413 | { | |
414 | return 0; | |
415 | } | |
416 | ||
6a6c8786 GL |
417 | static int mt9m111_make_rect(struct i2c_client *client, |
418 | struct v4l2_rect *rect) | |
419 | { | |
420 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
421 | ||
760697be GL |
422 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
423 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) { | |
6a6c8786 GL |
424 | /* Bayer format - even size lengths */ |
425 | rect->width = ALIGN(rect->width, 2); | |
426 | rect->height = ALIGN(rect->height, 2); | |
427 | /* Let the user play with the starting pixel */ | |
428 | } | |
429 | ||
430 | /* FIXME: the datasheet doesn't specify minimum sizes */ | |
431 | soc_camera_limit_side(&rect->left, &rect->width, | |
432 | MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH); | |
433 | ||
434 | soc_camera_limit_side(&rect->top, &rect->height, | |
435 | MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT); | |
436 | ||
437 | return mt9m111_setup_rect(client, rect); | |
438 | } | |
439 | ||
08590b96 | 440 | static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
09e231b3 | 441 | { |
6a6c8786 | 442 | struct v4l2_rect rect = a->c; |
c4ce6d14 | 443 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
979ea1dd | 444 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
09e231b3 GL |
445 | int ret; |
446 | ||
85f8be68 | 447 | dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n", |
6a6c8786 | 448 | __func__, rect.left, rect.top, rect.width, rect.height); |
09e231b3 | 449 | |
6b6d33c7 MG |
450 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
451 | return -EINVAL; | |
452 | ||
6a6c8786 | 453 | ret = mt9m111_make_rect(client, &rect); |
09e231b3 | 454 | if (!ret) |
6a6c8786 | 455 | mt9m111->rect = rect; |
09e231b3 GL |
456 | return ret; |
457 | } | |
458 | ||
6a6c8786 GL |
459 | static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
460 | { | |
c4ce6d14 | 461 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
6a6c8786 GL |
462 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
463 | ||
464 | a->c = mt9m111->rect; | |
465 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | |
471 | { | |
6b6d33c7 MG |
472 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
473 | return -EINVAL; | |
474 | ||
6a6c8786 GL |
475 | a->bounds.left = MT9M111_MIN_DARK_COLS; |
476 | a->bounds.top = MT9M111_MIN_DARK_ROWS; | |
477 | a->bounds.width = MT9M111_MAX_WIDTH; | |
478 | a->bounds.height = MT9M111_MAX_HEIGHT; | |
479 | a->defrect = a->bounds; | |
6a6c8786 GL |
480 | a->pixelaspect.numerator = 1; |
481 | a->pixelaspect.denominator = 1; | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
760697be GL |
486 | static int mt9m111_g_fmt(struct v4l2_subdev *sd, |
487 | struct v4l2_mbus_framefmt *mf) | |
6a6c8786 | 488 | { |
c4ce6d14 | 489 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
6a6c8786 | 490 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
6a6c8786 | 491 | |
760697be GL |
492 | mf->width = mt9m111->rect.width; |
493 | mf->height = mt9m111->rect.height; | |
494 | mf->code = mt9m111->fmt->code; | |
01f5a394 | 495 | mf->colorspace = mt9m111->fmt->colorspace; |
760697be | 496 | mf->field = V4L2_FIELD_NONE; |
6a6c8786 GL |
497 | |
498 | return 0; | |
499 | } | |
500 | ||
760697be GL |
501 | static int mt9m111_set_pixfmt(struct i2c_client *client, |
502 | enum v4l2_mbus_pixelcode code) | |
77110abb | 503 | { |
979ea1dd | 504 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
506c629a | 505 | int ret; |
77110abb | 506 | |
760697be GL |
507 | switch (code) { |
508 | case V4L2_MBUS_FMT_SBGGR8_1X8: | |
979ea1dd | 509 | ret = mt9m111_setfmt_bayer8(client); |
77110abb | 510 | break; |
760697be | 511 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE: |
979ea1dd | 512 | ret = mt9m111_setfmt_bayer10(client); |
77110abb | 513 | break; |
760697be | 514 | case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE: |
979ea1dd | 515 | ret = mt9m111_setfmt_rgb555(client); |
77110abb | 516 | break; |
760697be | 517 | case V4L2_MBUS_FMT_RGB565_2X8_LE: |
979ea1dd | 518 | ret = mt9m111_setfmt_rgb565(client); |
77110abb | 519 | break; |
ace6e979 | 520 | case V4L2_MBUS_FMT_UYVY8_2X8: |
88f4b899 RJ |
521 | mt9m111->swap_yuv_y_chromas = 0; |
522 | mt9m111->swap_yuv_cb_cr = 0; | |
979ea1dd | 523 | ret = mt9m111_setfmt_yuv(client); |
88f4b899 | 524 | break; |
ace6e979 | 525 | case V4L2_MBUS_FMT_VYUY8_2X8: |
88f4b899 RJ |
526 | mt9m111->swap_yuv_y_chromas = 0; |
527 | mt9m111->swap_yuv_cb_cr = 1; | |
979ea1dd | 528 | ret = mt9m111_setfmt_yuv(client); |
88f4b899 | 529 | break; |
ace6e979 | 530 | case V4L2_MBUS_FMT_YUYV8_2X8: |
88f4b899 RJ |
531 | mt9m111->swap_yuv_y_chromas = 1; |
532 | mt9m111->swap_yuv_cb_cr = 0; | |
979ea1dd | 533 | ret = mt9m111_setfmt_yuv(client); |
88f4b899 | 534 | break; |
ace6e979 | 535 | case V4L2_MBUS_FMT_YVYU8_2X8: |
88f4b899 RJ |
536 | mt9m111->swap_yuv_y_chromas = 1; |
537 | mt9m111->swap_yuv_cb_cr = 1; | |
979ea1dd | 538 | ret = mt9m111_setfmt_yuv(client); |
77110abb RJ |
539 | break; |
540 | default: | |
96c75399 | 541 | dev_err(&client->dev, "Pixel format not handled : %x\n", |
760697be | 542 | code); |
77110abb RJ |
543 | ret = -EINVAL; |
544 | } | |
545 | ||
77110abb RJ |
546 | return ret; |
547 | } | |
548 | ||
760697be GL |
549 | static int mt9m111_s_fmt(struct v4l2_subdev *sd, |
550 | struct v4l2_mbus_framefmt *mf) | |
77110abb | 551 | { |
c4ce6d14 | 552 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
760697be | 553 | const struct mt9m111_datafmt *fmt; |
979ea1dd | 554 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
09e231b3 GL |
555 | struct v4l2_rect rect = { |
556 | .left = mt9m111->rect.left, | |
557 | .top = mt9m111->rect.top, | |
760697be GL |
558 | .width = mf->width, |
559 | .height = mf->height, | |
09e231b3 | 560 | }; |
506c629a | 561 | int ret; |
77110abb | 562 | |
760697be GL |
563 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
564 | ARRAY_SIZE(mt9m111_colour_fmts)); | |
565 | if (!fmt) | |
566 | return -EINVAL; | |
567 | ||
96c75399 | 568 | dev_dbg(&client->dev, |
760697be GL |
569 | "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__, |
570 | mf->code, rect.left, rect.top, rect.width, rect.height); | |
77110abb | 571 | |
6a6c8786 | 572 | ret = mt9m111_make_rect(client, &rect); |
09e231b3 | 573 | if (!ret) |
760697be GL |
574 | ret = mt9m111_set_pixfmt(client, mf->code); |
575 | if (!ret) { | |
576 | mt9m111->rect = rect; | |
577 | mt9m111->fmt = fmt; | |
578 | mf->colorspace = fmt->colorspace; | |
579 | } | |
580 | ||
506c629a | 581 | return ret; |
77110abb RJ |
582 | } |
583 | ||
760697be GL |
584 | static int mt9m111_try_fmt(struct v4l2_subdev *sd, |
585 | struct v4l2_mbus_framefmt *mf) | |
77110abb | 586 | { |
c4ce6d14 | 587 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
760697be GL |
588 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
589 | const struct mt9m111_datafmt *fmt; | |
590 | bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 || | |
591 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE; | |
592 | ||
593 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, | |
594 | ARRAY_SIZE(mt9m111_colour_fmts)); | |
595 | if (!fmt) { | |
596 | fmt = mt9m111->fmt; | |
597 | mf->code = fmt->code; | |
598 | } | |
6a6c8786 GL |
599 | |
600 | /* | |
601 | * With Bayer format enforce even side lengths, but let the user play | |
602 | * with the starting pixel | |
603 | */ | |
64f5905e | 604 | |
760697be GL |
605 | if (mf->height > MT9M111_MAX_HEIGHT) |
606 | mf->height = MT9M111_MAX_HEIGHT; | |
607 | else if (mf->height < 2) | |
608 | mf->height = 2; | |
6a6c8786 | 609 | else if (bayer) |
760697be | 610 | mf->height = ALIGN(mf->height, 2); |
6a6c8786 | 611 | |
760697be GL |
612 | if (mf->width > MT9M111_MAX_WIDTH) |
613 | mf->width = MT9M111_MAX_WIDTH; | |
614 | else if (mf->width < 2) | |
615 | mf->width = 2; | |
6a6c8786 | 616 | else if (bayer) |
760697be GL |
617 | mf->width = ALIGN(mf->width, 2); |
618 | ||
619 | mf->colorspace = fmt->colorspace; | |
77110abb RJ |
620 | |
621 | return 0; | |
622 | } | |
623 | ||
979ea1dd GL |
624 | static int mt9m111_g_chip_ident(struct v4l2_subdev *sd, |
625 | struct v4l2_dbg_chip_ident *id) | |
77110abb | 626 | { |
c4ce6d14 | 627 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
979ea1dd | 628 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb | 629 | |
aecde8b5 | 630 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
77110abb RJ |
631 | return -EINVAL; |
632 | ||
40e2e092 | 633 | if (id->match.addr != client->addr) |
77110abb RJ |
634 | return -ENODEV; |
635 | ||
636 | id->ident = mt9m111->model; | |
637 | id->revision = 0; | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
979ea1dd GL |
643 | static int mt9m111_g_register(struct v4l2_subdev *sd, |
644 | struct v4l2_dbg_register *reg) | |
77110abb | 645 | { |
c4ce6d14 | 646 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
77110abb | 647 | int val; |
77110abb | 648 | |
aecde8b5 | 649 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
77110abb | 650 | return -EINVAL; |
9538e1c2 | 651 | if (reg->match.addr != client->addr) |
77110abb RJ |
652 | return -ENODEV; |
653 | ||
9538e1c2 | 654 | val = mt9m111_reg_read(client, reg->reg); |
aecde8b5 | 655 | reg->size = 2; |
77110abb RJ |
656 | reg->val = (u64)val; |
657 | ||
658 | if (reg->val > 0xffff) | |
659 | return -EIO; | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
979ea1dd GL |
664 | static int mt9m111_s_register(struct v4l2_subdev *sd, |
665 | struct v4l2_dbg_register *reg) | |
77110abb | 666 | { |
c4ce6d14 | 667 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
77110abb | 668 | |
aecde8b5 | 669 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
77110abb RJ |
670 | return -EINVAL; |
671 | ||
9538e1c2 | 672 | if (reg->match.addr != client->addr) |
77110abb RJ |
673 | return -ENODEV; |
674 | ||
9538e1c2 | 675 | if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) |
77110abb RJ |
676 | return -EIO; |
677 | ||
678 | return 0; | |
679 | } | |
680 | #endif | |
681 | ||
682 | static const struct v4l2_queryctrl mt9m111_controls[] = { | |
683 | { | |
684 | .id = V4L2_CID_VFLIP, | |
685 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
686 | .name = "Flip Verticaly", | |
687 | .minimum = 0, | |
688 | .maximum = 1, | |
689 | .step = 1, | |
690 | .default_value = 0, | |
691 | }, { | |
692 | .id = V4L2_CID_HFLIP, | |
693 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
694 | .name = "Flip Horizontaly", | |
695 | .minimum = 0, | |
696 | .maximum = 1, | |
697 | .step = 1, | |
698 | .default_value = 0, | |
699 | }, { /* gain = 1/32*val (=>gain=1 if val==32) */ | |
700 | .id = V4L2_CID_GAIN, | |
701 | .type = V4L2_CTRL_TYPE_INTEGER, | |
702 | .name = "Gain", | |
703 | .minimum = 0, | |
704 | .maximum = 63 * 2 * 2, | |
705 | .step = 1, | |
706 | .default_value = 32, | |
707 | .flags = V4L2_CTRL_FLAG_SLIDER, | |
708 | }, { | |
709 | .id = V4L2_CID_EXPOSURE_AUTO, | |
710 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
711 | .name = "Auto Exposure", | |
712 | .minimum = 0, | |
713 | .maximum = 1, | |
714 | .step = 1, | |
715 | .default_value = 1, | |
716 | } | |
717 | }; | |
718 | ||
77110abb | 719 | static int mt9m111_resume(struct soc_camera_device *icd); |
96c75399 | 720 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state); |
77110abb RJ |
721 | |
722 | static struct soc_camera_ops mt9m111_ops = { | |
96c75399 | 723 | .suspend = mt9m111_suspend, |
77110abb | 724 | .resume = mt9m111_resume, |
77110abb RJ |
725 | .query_bus_param = mt9m111_query_bus_param, |
726 | .set_bus_param = mt9m111_set_bus_param, | |
727 | .controls = mt9m111_controls, | |
728 | .num_controls = ARRAY_SIZE(mt9m111_controls), | |
77110abb RJ |
729 | }; |
730 | ||
979ea1dd | 731 | static int mt9m111_set_flip(struct i2c_client *client, int flip, int mask) |
77110abb | 732 | { |
979ea1dd | 733 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
734 | int ret; |
735 | ||
736 | if (mt9m111->context == HIGHPOWER) { | |
737 | if (flip) | |
738 | ret = reg_set(READ_MODE_B, mask); | |
739 | else | |
740 | ret = reg_clear(READ_MODE_B, mask); | |
741 | } else { | |
742 | if (flip) | |
743 | ret = reg_set(READ_MODE_A, mask); | |
744 | else | |
745 | ret = reg_clear(READ_MODE_A, mask); | |
746 | } | |
747 | ||
748 | return ret; | |
749 | } | |
750 | ||
979ea1dd | 751 | static int mt9m111_get_global_gain(struct i2c_client *client) |
77110abb | 752 | { |
0f28b793 | 753 | int data; |
77110abb RJ |
754 | |
755 | data = reg_read(GLOBAL_GAIN); | |
756 | if (data >= 0) | |
0f28b793 | 757 | return (data & 0x2f) * (1 << ((data >> 10) & 1)) * |
758 | (1 << ((data >> 9) & 1)); | |
759 | return data; | |
77110abb | 760 | } |
0f28b793 | 761 | |
979ea1dd | 762 | static int mt9m111_set_global_gain(struct i2c_client *client, int gain) |
77110abb | 763 | { |
96c75399 | 764 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
765 | u16 val; |
766 | ||
767 | if (gain > 63 * 2 * 2) | |
768 | return -EINVAL; | |
769 | ||
96c75399 | 770 | mt9m111->gain = gain; |
77110abb RJ |
771 | if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) |
772 | val = (1 << 10) | (1 << 9) | (gain / 4); | |
773 | else if ((gain >= 64) && (gain < 64 * 2)) | |
506c629a | 774 | val = (1 << 9) | (gain / 2); |
77110abb RJ |
775 | else |
776 | val = gain; | |
777 | ||
778 | return reg_write(GLOBAL_GAIN, val); | |
779 | } | |
780 | ||
979ea1dd | 781 | static int mt9m111_set_autoexposure(struct i2c_client *client, int on) |
77110abb | 782 | { |
979ea1dd | 783 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
784 | int ret; |
785 | ||
786 | if (on) | |
787 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); | |
788 | else | |
789 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); | |
790 | ||
506c629a | 791 | if (!ret) |
77110abb RJ |
792 | mt9m111->autoexposure = on; |
793 | ||
794 | return ret; | |
795 | } | |
39bf372f | 796 | |
979ea1dd | 797 | static int mt9m111_set_autowhitebalance(struct i2c_client *client, int on) |
39bf372f | 798 | { |
979ea1dd | 799 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
39bf372f RJ |
800 | int ret; |
801 | ||
802 | if (on) | |
803 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); | |
804 | else | |
805 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); | |
806 | ||
807 | if (!ret) | |
808 | mt9m111->autowhitebalance = on; | |
809 | ||
810 | return ret; | |
811 | } | |
812 | ||
979ea1dd | 813 | static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
77110abb | 814 | { |
c4ce6d14 | 815 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
979ea1dd | 816 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
817 | int data; |
818 | ||
819 | switch (ctrl->id) { | |
820 | case V4L2_CID_VFLIP: | |
821 | if (mt9m111->context == HIGHPOWER) | |
822 | data = reg_read(READ_MODE_B); | |
823 | else | |
824 | data = reg_read(READ_MODE_A); | |
825 | ||
826 | if (data < 0) | |
827 | return -EIO; | |
828 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS); | |
829 | break; | |
830 | case V4L2_CID_HFLIP: | |
831 | if (mt9m111->context == HIGHPOWER) | |
832 | data = reg_read(READ_MODE_B); | |
833 | else | |
834 | data = reg_read(READ_MODE_A); | |
835 | ||
836 | if (data < 0) | |
837 | return -EIO; | |
838 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS); | |
839 | break; | |
840 | case V4L2_CID_GAIN: | |
979ea1dd | 841 | data = mt9m111_get_global_gain(client); |
77110abb RJ |
842 | if (data < 0) |
843 | return data; | |
844 | ctrl->value = data; | |
845 | break; | |
846 | case V4L2_CID_EXPOSURE_AUTO: | |
847 | ctrl->value = mt9m111->autoexposure; | |
848 | break; | |
39bf372f RJ |
849 | case V4L2_CID_AUTO_WHITE_BALANCE: |
850 | ctrl->value = mt9m111->autowhitebalance; | |
851 | break; | |
77110abb RJ |
852 | } |
853 | return 0; | |
854 | } | |
855 | ||
979ea1dd | 856 | static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
77110abb | 857 | { |
c4ce6d14 | 858 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
979ea1dd | 859 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb | 860 | const struct v4l2_queryctrl *qctrl; |
506c629a | 861 | int ret; |
77110abb RJ |
862 | |
863 | qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); | |
77110abb RJ |
864 | if (!qctrl) |
865 | return -EINVAL; | |
866 | ||
867 | switch (ctrl->id) { | |
868 | case V4L2_CID_VFLIP: | |
869 | mt9m111->vflip = ctrl->value; | |
979ea1dd | 870 | ret = mt9m111_set_flip(client, ctrl->value, |
77110abb RJ |
871 | MT9M111_RMB_MIRROR_ROWS); |
872 | break; | |
873 | case V4L2_CID_HFLIP: | |
874 | mt9m111->hflip = ctrl->value; | |
979ea1dd | 875 | ret = mt9m111_set_flip(client, ctrl->value, |
77110abb RJ |
876 | MT9M111_RMB_MIRROR_COLS); |
877 | break; | |
878 | case V4L2_CID_GAIN: | |
979ea1dd | 879 | ret = mt9m111_set_global_gain(client, ctrl->value); |
77110abb RJ |
880 | break; |
881 | case V4L2_CID_EXPOSURE_AUTO: | |
979ea1dd | 882 | ret = mt9m111_set_autoexposure(client, ctrl->value); |
77110abb | 883 | break; |
39bf372f | 884 | case V4L2_CID_AUTO_WHITE_BALANCE: |
979ea1dd | 885 | ret = mt9m111_set_autowhitebalance(client, ctrl->value); |
39bf372f | 886 | break; |
77110abb RJ |
887 | default: |
888 | ret = -EINVAL; | |
889 | } | |
890 | ||
506c629a | 891 | return ret; |
77110abb RJ |
892 | } |
893 | ||
96c75399 GL |
894 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state) |
895 | { | |
896 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); | |
897 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
898 | ||
899 | mt9m111->gain = mt9m111_get_global_gain(client); | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
979ea1dd | 904 | static int mt9m111_restore_state(struct i2c_client *client) |
77110abb | 905 | { |
979ea1dd | 906 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
979ea1dd GL |
907 | |
908 | mt9m111_set_context(client, mt9m111->context); | |
760697be | 909 | mt9m111_set_pixfmt(client, mt9m111->fmt->code); |
979ea1dd GL |
910 | mt9m111_setup_rect(client, &mt9m111->rect); |
911 | mt9m111_set_flip(client, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS); | |
912 | mt9m111_set_flip(client, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); | |
96c75399 | 913 | mt9m111_set_global_gain(client, mt9m111->gain); |
979ea1dd GL |
914 | mt9m111_set_autoexposure(client, mt9m111->autoexposure); |
915 | mt9m111_set_autowhitebalance(client, mt9m111->autowhitebalance); | |
77110abb RJ |
916 | return 0; |
917 | } | |
918 | ||
919 | static int mt9m111_resume(struct soc_camera_device *icd) | |
920 | { | |
40e2e092 | 921 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); |
979ea1dd | 922 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
923 | int ret = 0; |
924 | ||
925 | if (mt9m111->powered) { | |
979ea1dd | 926 | ret = mt9m111_enable(client); |
506c629a | 927 | if (!ret) |
979ea1dd | 928 | ret = mt9m111_reset(client); |
506c629a | 929 | if (!ret) |
979ea1dd | 930 | ret = mt9m111_restore_state(client); |
77110abb RJ |
931 | } |
932 | return ret; | |
933 | } | |
934 | ||
a4c56fd8 | 935 | static int mt9m111_init(struct i2c_client *client) |
77110abb | 936 | { |
979ea1dd | 937 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
938 | int ret; |
939 | ||
940 | mt9m111->context = HIGHPOWER; | |
979ea1dd | 941 | ret = mt9m111_enable(client); |
506c629a | 942 | if (!ret) |
979ea1dd | 943 | ret = mt9m111_reset(client); |
506c629a | 944 | if (!ret) |
979ea1dd | 945 | ret = mt9m111_set_context(client, mt9m111->context); |
506c629a | 946 | if (!ret) |
979ea1dd | 947 | ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure); |
506c629a | 948 | if (ret) |
c8cf078e | 949 | dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); |
506c629a | 950 | return ret; |
77110abb RJ |
951 | } |
952 | ||
77110abb RJ |
953 | /* |
954 | * Interface active, can use i2c. If it fails, it can indeed mean, that | |
955 | * this wasn't our capture interface, so, we wait for the right one | |
956 | */ | |
40e2e092 GL |
957 | static int mt9m111_video_probe(struct soc_camera_device *icd, |
958 | struct i2c_client *client) | |
77110abb | 959 | { |
979ea1dd | 960 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
961 | s32 data; |
962 | int ret; | |
963 | ||
964 | /* | |
965 | * We must have a parent by now. And it cannot be a wrong one. | |
966 | * So this entire test is completely redundant. | |
967 | */ | |
968 | if (!icd->dev.parent || | |
969 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) | |
970 | return -ENODEV; | |
971 | ||
a4c56fd8 GL |
972 | mt9m111->autoexposure = 1; |
973 | mt9m111->autowhitebalance = 1; | |
974 | ||
975 | mt9m111->swap_rgb_even_odd = 1; | |
976 | mt9m111->swap_rgb_red_blue = 1; | |
977 | ||
77110abb RJ |
978 | data = reg_read(CHIP_VERSION); |
979 | ||
980 | switch (data) { | |
c8cf078e | 981 | case 0x143a: /* MT9M111 or MT9M131 */ |
77110abb | 982 | mt9m111->model = V4L2_IDENT_MT9M111; |
c8cf078e PW |
983 | dev_info(&client->dev, |
984 | "Detected a MT9M111/MT9M131 chip ID %x\n", data); | |
d7f83a51 MR |
985 | break; |
986 | case 0x148c: /* MT9M112 */ | |
987 | mt9m111->model = V4L2_IDENT_MT9M112; | |
c8cf078e | 988 | dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); |
77110abb RJ |
989 | break; |
990 | default: | |
991 | ret = -ENODEV; | |
85f8be68 | 992 | dev_err(&client->dev, |
c8cf078e PW |
993 | "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", |
994 | data); | |
77110abb RJ |
995 | goto ei2c; |
996 | } | |
997 | ||
175bad92 MG |
998 | ret = mt9m111_init(client); |
999 | ||
77110abb RJ |
1000 | ei2c: |
1001 | return ret; | |
1002 | } | |
1003 | ||
979ea1dd GL |
1004 | static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { |
1005 | .g_ctrl = mt9m111_g_ctrl, | |
1006 | .s_ctrl = mt9m111_s_ctrl, | |
1007 | .g_chip_ident = mt9m111_g_chip_ident, | |
1008 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1009 | .g_register = mt9m111_g_register, | |
1010 | .s_register = mt9m111_s_register, | |
1011 | #endif | |
1012 | }; | |
1013 | ||
3805f201 | 1014 | static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
760697be GL |
1015 | enum v4l2_mbus_pixelcode *code) |
1016 | { | |
3805f201 | 1017 | if (index >= ARRAY_SIZE(mt9m111_colour_fmts)) |
760697be GL |
1018 | return -EINVAL; |
1019 | ||
1020 | *code = mt9m111_colour_fmts[index].code; | |
1021 | return 0; | |
1022 | } | |
1023 | ||
979ea1dd | 1024 | static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { |
760697be GL |
1025 | .s_mbus_fmt = mt9m111_s_fmt, |
1026 | .g_mbus_fmt = mt9m111_g_fmt, | |
1027 | .try_mbus_fmt = mt9m111_try_fmt, | |
08590b96 | 1028 | .s_crop = mt9m111_s_crop, |
6a6c8786 GL |
1029 | .g_crop = mt9m111_g_crop, |
1030 | .cropcap = mt9m111_cropcap, | |
760697be | 1031 | .enum_mbus_fmt = mt9m111_enum_fmt, |
979ea1dd GL |
1032 | }; |
1033 | ||
1034 | static struct v4l2_subdev_ops mt9m111_subdev_ops = { | |
1035 | .core = &mt9m111_subdev_core_ops, | |
1036 | .video = &mt9m111_subdev_video_ops, | |
1037 | }; | |
1038 | ||
77110abb RJ |
1039 | static int mt9m111_probe(struct i2c_client *client, |
1040 | const struct i2c_device_id *did) | |
1041 | { | |
1042 | struct mt9m111 *mt9m111; | |
40e2e092 | 1043 | struct soc_camera_device *icd = client->dev.platform_data; |
77110abb | 1044 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); |
40e2e092 | 1045 | struct soc_camera_link *icl; |
77110abb RJ |
1046 | int ret; |
1047 | ||
40e2e092 | 1048 | if (!icd) { |
c8cf078e | 1049 | dev_err(&client->dev, "mt9m111: soc-camera data missing!\n"); |
40e2e092 GL |
1050 | return -EINVAL; |
1051 | } | |
1052 | ||
1053 | icl = to_soc_camera_link(icd); | |
77110abb | 1054 | if (!icl) { |
c8cf078e | 1055 | dev_err(&client->dev, "mt9m111: driver needs platform data\n"); |
77110abb RJ |
1056 | return -EINVAL; |
1057 | } | |
1058 | ||
1059 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { | |
1060 | dev_warn(&adapter->dev, | |
1061 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); | |
1062 | return -EIO; | |
1063 | } | |
1064 | ||
1065 | mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL); | |
1066 | if (!mt9m111) | |
1067 | return -ENOMEM; | |
1068 | ||
979ea1dd | 1069 | v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); |
77110abb RJ |
1070 | |
1071 | /* Second stage probe - when a capture adapter is there */ | |
a0705b07 | 1072 | icd->ops = &mt9m111_ops; |
77110abb | 1073 | |
6a6c8786 GL |
1074 | mt9m111->rect.left = MT9M111_MIN_DARK_COLS; |
1075 | mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; | |
1076 | mt9m111->rect.width = MT9M111_MAX_WIDTH; | |
1077 | mt9m111->rect.height = MT9M111_MAX_HEIGHT; | |
760697be | 1078 | mt9m111->fmt = &mt9m111_colour_fmts[0]; |
6a6c8786 | 1079 | |
40e2e092 GL |
1080 | ret = mt9m111_video_probe(icd, client); |
1081 | if (ret) { | |
1082 | icd->ops = NULL; | |
40e2e092 GL |
1083 | kfree(mt9m111); |
1084 | } | |
77110abb | 1085 | |
77110abb RJ |
1086 | return ret; |
1087 | } | |
1088 | ||
1089 | static int mt9m111_remove(struct i2c_client *client) | |
1090 | { | |
979ea1dd | 1091 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
40e2e092 GL |
1092 | struct soc_camera_device *icd = client->dev.platform_data; |
1093 | ||
1094 | icd->ops = NULL; | |
40e2e092 | 1095 | client->driver = NULL; |
77110abb RJ |
1096 | kfree(mt9m111); |
1097 | ||
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | static const struct i2c_device_id mt9m111_id[] = { | |
1102 | { "mt9m111", 0 }, | |
1103 | { } | |
1104 | }; | |
1105 | MODULE_DEVICE_TABLE(i2c, mt9m111_id); | |
1106 | ||
1107 | static struct i2c_driver mt9m111_i2c_driver = { | |
1108 | .driver = { | |
1109 | .name = "mt9m111", | |
1110 | }, | |
1111 | .probe = mt9m111_probe, | |
1112 | .remove = mt9m111_remove, | |
1113 | .id_table = mt9m111_id, | |
1114 | }; | |
1115 | ||
1116 | static int __init mt9m111_mod_init(void) | |
1117 | { | |
1118 | return i2c_add_driver(&mt9m111_i2c_driver); | |
1119 | } | |
1120 | ||
1121 | static void __exit mt9m111_mod_exit(void) | |
1122 | { | |
1123 | i2c_del_driver(&mt9m111_i2c_driver); | |
1124 | } | |
1125 | ||
1126 | module_init(mt9m111_mod_init); | |
1127 | module_exit(mt9m111_mod_exit); | |
1128 | ||
c8cf078e | 1129 | MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); |
77110abb RJ |
1130 | MODULE_AUTHOR("Robert Jarzmik"); |
1131 | MODULE_LICENSE("GPL"); |