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Commit | Line | Data |
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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 | ||
760697be GL |
126 | /* MT9M111 has only one fixed colorspace per pixelcode */ |
127 | struct mt9m111_datafmt { | |
128 | enum v4l2_mbus_pixelcode code; | |
129 | enum v4l2_colorspace colorspace; | |
130 | }; | |
131 | ||
132 | /* Find a data format by a pixel code in an array */ | |
133 | static const struct mt9m111_datafmt *mt9m111_find_datafmt( | |
134 | enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt, | |
135 | int n) | |
136 | { | |
137 | int i; | |
138 | for (i = 0; i < n; i++) | |
139 | if (fmt[i].code == code) | |
140 | return fmt + i; | |
141 | ||
142 | return NULL; | |
143 | } | |
144 | ||
145 | static const struct mt9m111_datafmt mt9m111_colour_fmts[] = { | |
ace6e979 GL |
146 | {V4L2_MBUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG}, |
147 | {V4L2_MBUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG}, | |
148 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, | |
149 | {V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG}, | |
760697be GL |
150 | {V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, |
151 | {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, | |
152 | {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, | |
153 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, | |
77110abb RJ |
154 | }; |
155 | ||
156 | enum mt9m111_context { | |
157 | HIGHPOWER = 0, | |
158 | LOWPOWER, | |
159 | }; | |
160 | ||
161 | struct mt9m111 { | |
979ea1dd | 162 | struct v4l2_subdev subdev; |
d7f83a51 | 163 | int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */ |
77110abb | 164 | enum mt9m111_context context; |
09e231b3 | 165 | struct v4l2_rect rect; |
760697be | 166 | const struct mt9m111_datafmt *fmt; |
96c75399 | 167 | unsigned int gain; |
77110abb RJ |
168 | unsigned char autoexposure; |
169 | unsigned char datawidth; | |
170 | unsigned int powered:1; | |
171 | unsigned int hflip:1; | |
172 | unsigned int vflip:1; | |
173 | unsigned int swap_rgb_even_odd:1; | |
174 | unsigned int swap_rgb_red_blue:1; | |
175 | unsigned int swap_yuv_y_chromas:1; | |
176 | unsigned int swap_yuv_cb_cr:1; | |
39bf372f | 177 | unsigned int autowhitebalance:1; |
77110abb RJ |
178 | }; |
179 | ||
979ea1dd GL |
180 | static struct mt9m111 *to_mt9m111(const struct i2c_client *client) |
181 | { | |
182 | return container_of(i2c_get_clientdata(client), struct mt9m111, subdev); | |
183 | } | |
184 | ||
77110abb RJ |
185 | static int reg_page_map_set(struct i2c_client *client, const u16 reg) |
186 | { | |
187 | int ret; | |
188 | u16 page; | |
189 | static int lastpage = -1; /* PageMap cache value */ | |
190 | ||
191 | page = (reg >> 8); | |
192 | if (page == lastpage) | |
193 | return 0; | |
194 | if (page > 2) | |
195 | return -EINVAL; | |
196 | ||
197 | ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); | |
506c629a | 198 | if (!ret) |
77110abb RJ |
199 | lastpage = page; |
200 | return ret; | |
201 | } | |
202 | ||
9538e1c2 | 203 | static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) |
77110abb | 204 | { |
77110abb RJ |
205 | int ret; |
206 | ||
207 | ret = reg_page_map_set(client, reg); | |
208 | if (!ret) | |
6a6c8786 | 209 | ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff)); |
77110abb | 210 | |
9538e1c2 | 211 | dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret); |
77110abb RJ |
212 | return ret; |
213 | } | |
214 | ||
9538e1c2 | 215 | static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, |
77110abb RJ |
216 | const u16 data) |
217 | { | |
77110abb RJ |
218 | int ret; |
219 | ||
220 | ret = reg_page_map_set(client, reg); | |
506c629a | 221 | if (!ret) |
40e2e092 | 222 | ret = i2c_smbus_write_word_data(client, reg & 0xff, |
77110abb | 223 | swab16(data)); |
9538e1c2 | 224 | dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); |
77110abb RJ |
225 | return ret; |
226 | } | |
227 | ||
9538e1c2 | 228 | static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, |
77110abb RJ |
229 | const u16 data) |
230 | { | |
231 | int ret; | |
232 | ||
9538e1c2 | 233 | ret = mt9m111_reg_read(client, reg); |
77110abb | 234 | if (ret >= 0) |
9538e1c2 | 235 | ret = mt9m111_reg_write(client, reg, ret | data); |
77110abb RJ |
236 | return ret; |
237 | } | |
238 | ||
9538e1c2 | 239 | static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, |
77110abb RJ |
240 | const u16 data) |
241 | { | |
242 | int ret; | |
243 | ||
9538e1c2 GL |
244 | ret = mt9m111_reg_read(client, reg); |
245 | return mt9m111_reg_write(client, reg, ret & ~data); | |
77110abb RJ |
246 | } |
247 | ||
979ea1dd | 248 | static int mt9m111_set_context(struct i2c_client *client, |
77110abb RJ |
249 | enum mt9m111_context ctxt) |
250 | { | |
251 | int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B | |
252 | | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B | |
253 | | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B | |
254 | | MT9M111_CTXT_CTRL_VBLANK_SEL_B | |
255 | | MT9M111_CTXT_CTRL_HBLANK_SEL_B; | |
256 | int valA = MT9M111_CTXT_CTRL_RESTART; | |
257 | ||
258 | if (ctxt == HIGHPOWER) | |
259 | return reg_write(CONTEXT_CONTROL, valB); | |
260 | else | |
261 | return reg_write(CONTEXT_CONTROL, valA); | |
262 | } | |
263 | ||
979ea1dd | 264 | static int mt9m111_setup_rect(struct i2c_client *client, |
09e231b3 | 265 | struct v4l2_rect *rect) |
77110abb | 266 | { |
979ea1dd | 267 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
506c629a | 268 | int ret, is_raw_format; |
09e231b3 GL |
269 | int width = rect->width; |
270 | int height = rect->height; | |
77110abb | 271 | |
760697be GL |
272 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
273 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) | |
77110abb RJ |
274 | is_raw_format = 1; |
275 | else | |
276 | is_raw_format = 0; | |
277 | ||
09e231b3 | 278 | ret = reg_write(COLUMN_START, rect->left); |
506c629a | 279 | if (!ret) |
09e231b3 | 280 | ret = reg_write(ROW_START, rect->top); |
77110abb RJ |
281 | |
282 | if (is_raw_format) { | |
506c629a | 283 | if (!ret) |
77110abb | 284 | ret = reg_write(WINDOW_WIDTH, width); |
506c629a | 285 | if (!ret) |
77110abb RJ |
286 | ret = reg_write(WINDOW_HEIGHT, height); |
287 | } else { | |
506c629a | 288 | if (!ret) |
77110abb | 289 | ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); |
506c629a | 290 | if (!ret) |
77110abb | 291 | ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); |
506c629a | 292 | if (!ret) |
77110abb | 293 | ret = reg_write(REDUCER_XSIZE_B, width); |
506c629a | 294 | if (!ret) |
77110abb | 295 | ret = reg_write(REDUCER_YSIZE_B, height); |
506c629a | 296 | if (!ret) |
77110abb | 297 | ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); |
506c629a | 298 | if (!ret) |
77110abb | 299 | ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); |
506c629a | 300 | if (!ret) |
77110abb | 301 | ret = reg_write(REDUCER_XSIZE_A, width); |
506c629a | 302 | if (!ret) |
77110abb RJ |
303 | ret = reg_write(REDUCER_YSIZE_A, height); |
304 | } | |
305 | ||
306 | return ret; | |
307 | } | |
308 | ||
979ea1dd | 309 | static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt) |
77110abb RJ |
310 | { |
311 | int ret; | |
312 | ||
313 | ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt); | |
506c629a | 314 | if (!ret) |
77110abb RJ |
315 | ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt); |
316 | return ret; | |
317 | } | |
318 | ||
979ea1dd | 319 | static int mt9m111_setfmt_bayer8(struct i2c_client *client) |
77110abb | 320 | { |
760697be GL |
321 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER | |
322 | MT9M111_OUTFMT_RGB); | |
77110abb RJ |
323 | } |
324 | ||
979ea1dd | 325 | static int mt9m111_setfmt_bayer10(struct i2c_client *client) |
77110abb | 326 | { |
979ea1dd | 327 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP); |
77110abb RJ |
328 | } |
329 | ||
979ea1dd | 330 | static int mt9m111_setfmt_rgb565(struct i2c_client *client) |
77110abb | 331 | { |
979ea1dd | 332 | struct mt9m111 *mt9m111 = to_mt9m111(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_RGB565; | |
340 | ||
979ea1dd | 341 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
342 | } |
343 | ||
979ea1dd | 344 | static int mt9m111_setfmt_rgb555(struct i2c_client *client) |
77110abb | 345 | { |
979ea1dd | 346 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
347 | int val = 0; |
348 | ||
349 | if (mt9m111->swap_rgb_red_blue) | |
350 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
351 | if (mt9m111->swap_rgb_even_odd) | |
352 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; | |
353 | val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; | |
354 | ||
979ea1dd | 355 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
356 | } |
357 | ||
979ea1dd | 358 | static int mt9m111_setfmt_yuv(struct i2c_client *client) |
77110abb | 359 | { |
979ea1dd | 360 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
361 | int val = 0; |
362 | ||
363 | if (mt9m111->swap_yuv_cb_cr) | |
364 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; | |
365 | if (mt9m111->swap_yuv_y_chromas) | |
366 | val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y; | |
367 | ||
979ea1dd | 368 | return mt9m111_setup_pixfmt(client, val); |
77110abb RJ |
369 | } |
370 | ||
979ea1dd | 371 | static int mt9m111_enable(struct i2c_client *client) |
77110abb | 372 | { |
979ea1dd | 373 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
374 | int ret; |
375 | ||
376 | ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); | |
506c629a | 377 | if (!ret) |
77110abb RJ |
378 | mt9m111->powered = 1; |
379 | return ret; | |
380 | } | |
381 | ||
979ea1dd | 382 | static int mt9m111_reset(struct i2c_client *client) |
77110abb RJ |
383 | { |
384 | int ret; | |
385 | ||
386 | ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); | |
506c629a | 387 | if (!ret) |
77110abb | 388 | ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); |
506c629a | 389 | if (!ret) |
77110abb RJ |
390 | ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE |
391 | | MT9M111_RESET_RESET_SOC); | |
afb13683 | 392 | |
77110abb RJ |
393 | return ret; |
394 | } | |
395 | ||
77110abb RJ |
396 | static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) |
397 | { | |
40e2e092 | 398 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
bd73b36f | 399 | unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | |
77110abb | 400 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | |
2d9329f3 | 401 | SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8; |
bd73b36f GL |
402 | |
403 | return soc_camera_apply_sensor_flags(icl, flags); | |
77110abb RJ |
404 | } |
405 | ||
406 | static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) | |
407 | { | |
408 | return 0; | |
409 | } | |
410 | ||
6a6c8786 GL |
411 | static int mt9m111_make_rect(struct i2c_client *client, |
412 | struct v4l2_rect *rect) | |
413 | { | |
414 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
415 | ||
760697be GL |
416 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
417 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) { | |
6a6c8786 GL |
418 | /* Bayer format - even size lengths */ |
419 | rect->width = ALIGN(rect->width, 2); | |
420 | rect->height = ALIGN(rect->height, 2); | |
421 | /* Let the user play with the starting pixel */ | |
422 | } | |
423 | ||
424 | /* FIXME: the datasheet doesn't specify minimum sizes */ | |
425 | soc_camera_limit_side(&rect->left, &rect->width, | |
426 | MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH); | |
427 | ||
428 | soc_camera_limit_side(&rect->top, &rect->height, | |
429 | MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT); | |
430 | ||
431 | return mt9m111_setup_rect(client, rect); | |
432 | } | |
433 | ||
08590b96 | 434 | static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
09e231b3 | 435 | { |
6a6c8786 | 436 | struct v4l2_rect rect = a->c; |
08590b96 | 437 | struct i2c_client *client = sd->priv; |
979ea1dd | 438 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
09e231b3 GL |
439 | int ret; |
440 | ||
85f8be68 | 441 | dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n", |
6a6c8786 | 442 | __func__, rect.left, rect.top, rect.width, rect.height); |
09e231b3 | 443 | |
6a6c8786 | 444 | ret = mt9m111_make_rect(client, &rect); |
09e231b3 | 445 | if (!ret) |
6a6c8786 | 446 | mt9m111->rect = rect; |
09e231b3 GL |
447 | return ret; |
448 | } | |
449 | ||
6a6c8786 GL |
450 | static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
451 | { | |
452 | struct i2c_client *client = sd->priv; | |
453 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
454 | ||
455 | a->c = mt9m111->rect; | |
456 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
461 | static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) | |
462 | { | |
463 | a->bounds.left = MT9M111_MIN_DARK_COLS; | |
464 | a->bounds.top = MT9M111_MIN_DARK_ROWS; | |
465 | a->bounds.width = MT9M111_MAX_WIDTH; | |
466 | a->bounds.height = MT9M111_MAX_HEIGHT; | |
467 | a->defrect = a->bounds; | |
468 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
469 | a->pixelaspect.numerator = 1; | |
470 | a->pixelaspect.denominator = 1; | |
471 | ||
472 | return 0; | |
473 | } | |
474 | ||
760697be GL |
475 | static int mt9m111_g_fmt(struct v4l2_subdev *sd, |
476 | struct v4l2_mbus_framefmt *mf) | |
6a6c8786 GL |
477 | { |
478 | struct i2c_client *client = sd->priv; | |
479 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
6a6c8786 | 480 | |
760697be GL |
481 | mf->width = mt9m111->rect.width; |
482 | mf->height = mt9m111->rect.height; | |
483 | mf->code = mt9m111->fmt->code; | |
484 | mf->field = V4L2_FIELD_NONE; | |
6a6c8786 GL |
485 | |
486 | return 0; | |
487 | } | |
488 | ||
760697be GL |
489 | static int mt9m111_set_pixfmt(struct i2c_client *client, |
490 | enum v4l2_mbus_pixelcode code) | |
77110abb | 491 | { |
979ea1dd | 492 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
506c629a | 493 | int ret; |
77110abb | 494 | |
760697be GL |
495 | switch (code) { |
496 | case V4L2_MBUS_FMT_SBGGR8_1X8: | |
979ea1dd | 497 | ret = mt9m111_setfmt_bayer8(client); |
77110abb | 498 | break; |
760697be | 499 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE: |
979ea1dd | 500 | ret = mt9m111_setfmt_bayer10(client); |
77110abb | 501 | break; |
760697be | 502 | case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE: |
979ea1dd | 503 | ret = mt9m111_setfmt_rgb555(client); |
77110abb | 504 | break; |
760697be | 505 | case V4L2_MBUS_FMT_RGB565_2X8_LE: |
979ea1dd | 506 | ret = mt9m111_setfmt_rgb565(client); |
77110abb | 507 | break; |
ace6e979 | 508 | case V4L2_MBUS_FMT_UYVY8_2X8: |
88f4b899 RJ |
509 | mt9m111->swap_yuv_y_chromas = 0; |
510 | mt9m111->swap_yuv_cb_cr = 0; | |
979ea1dd | 511 | ret = mt9m111_setfmt_yuv(client); |
88f4b899 | 512 | break; |
ace6e979 | 513 | case V4L2_MBUS_FMT_VYUY8_2X8: |
88f4b899 RJ |
514 | mt9m111->swap_yuv_y_chromas = 0; |
515 | mt9m111->swap_yuv_cb_cr = 1; | |
979ea1dd | 516 | ret = mt9m111_setfmt_yuv(client); |
88f4b899 | 517 | break; |
ace6e979 | 518 | case V4L2_MBUS_FMT_YUYV8_2X8: |
88f4b899 RJ |
519 | mt9m111->swap_yuv_y_chromas = 1; |
520 | mt9m111->swap_yuv_cb_cr = 0; | |
979ea1dd | 521 | ret = mt9m111_setfmt_yuv(client); |
88f4b899 | 522 | break; |
ace6e979 | 523 | case V4L2_MBUS_FMT_YVYU8_2X8: |
88f4b899 RJ |
524 | mt9m111->swap_yuv_y_chromas = 1; |
525 | mt9m111->swap_yuv_cb_cr = 1; | |
979ea1dd | 526 | ret = mt9m111_setfmt_yuv(client); |
77110abb RJ |
527 | break; |
528 | default: | |
96c75399 | 529 | dev_err(&client->dev, "Pixel format not handled : %x\n", |
760697be | 530 | code); |
77110abb RJ |
531 | ret = -EINVAL; |
532 | } | |
533 | ||
77110abb RJ |
534 | return ret; |
535 | } | |
536 | ||
760697be GL |
537 | static int mt9m111_s_fmt(struct v4l2_subdev *sd, |
538 | struct v4l2_mbus_framefmt *mf) | |
77110abb | 539 | { |
979ea1dd | 540 | struct i2c_client *client = sd->priv; |
760697be | 541 | const struct mt9m111_datafmt *fmt; |
979ea1dd | 542 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
09e231b3 GL |
543 | struct v4l2_rect rect = { |
544 | .left = mt9m111->rect.left, | |
545 | .top = mt9m111->rect.top, | |
760697be GL |
546 | .width = mf->width, |
547 | .height = mf->height, | |
09e231b3 | 548 | }; |
506c629a | 549 | int ret; |
77110abb | 550 | |
760697be GL |
551 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
552 | ARRAY_SIZE(mt9m111_colour_fmts)); | |
553 | if (!fmt) | |
554 | return -EINVAL; | |
555 | ||
96c75399 | 556 | dev_dbg(&client->dev, |
760697be GL |
557 | "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__, |
558 | mf->code, rect.left, rect.top, rect.width, rect.height); | |
77110abb | 559 | |
6a6c8786 | 560 | ret = mt9m111_make_rect(client, &rect); |
09e231b3 | 561 | if (!ret) |
760697be GL |
562 | ret = mt9m111_set_pixfmt(client, mf->code); |
563 | if (!ret) { | |
564 | mt9m111->rect = rect; | |
565 | mt9m111->fmt = fmt; | |
566 | mf->colorspace = fmt->colorspace; | |
567 | } | |
568 | ||
506c629a | 569 | return ret; |
77110abb RJ |
570 | } |
571 | ||
760697be GL |
572 | static int mt9m111_try_fmt(struct v4l2_subdev *sd, |
573 | struct v4l2_mbus_framefmt *mf) | |
77110abb | 574 | { |
760697be GL |
575 | struct i2c_client *client = sd->priv; |
576 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
577 | const struct mt9m111_datafmt *fmt; | |
578 | bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 || | |
579 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE; | |
580 | ||
581 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, | |
582 | ARRAY_SIZE(mt9m111_colour_fmts)); | |
583 | if (!fmt) { | |
584 | fmt = mt9m111->fmt; | |
585 | mf->code = fmt->code; | |
586 | } | |
6a6c8786 GL |
587 | |
588 | /* | |
589 | * With Bayer format enforce even side lengths, but let the user play | |
590 | * with the starting pixel | |
591 | */ | |
64f5905e | 592 | |
760697be GL |
593 | if (mf->height > MT9M111_MAX_HEIGHT) |
594 | mf->height = MT9M111_MAX_HEIGHT; | |
595 | else if (mf->height < 2) | |
596 | mf->height = 2; | |
6a6c8786 | 597 | else if (bayer) |
760697be | 598 | mf->height = ALIGN(mf->height, 2); |
6a6c8786 | 599 | |
760697be GL |
600 | if (mf->width > MT9M111_MAX_WIDTH) |
601 | mf->width = MT9M111_MAX_WIDTH; | |
602 | else if (mf->width < 2) | |
603 | mf->width = 2; | |
6a6c8786 | 604 | else if (bayer) |
760697be GL |
605 | mf->width = ALIGN(mf->width, 2); |
606 | ||
607 | mf->colorspace = fmt->colorspace; | |
77110abb RJ |
608 | |
609 | return 0; | |
610 | } | |
611 | ||
979ea1dd GL |
612 | static int mt9m111_g_chip_ident(struct v4l2_subdev *sd, |
613 | struct v4l2_dbg_chip_ident *id) | |
77110abb | 614 | { |
979ea1dd GL |
615 | struct i2c_client *client = sd->priv; |
616 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
77110abb | 617 | |
aecde8b5 | 618 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
77110abb RJ |
619 | return -EINVAL; |
620 | ||
40e2e092 | 621 | if (id->match.addr != client->addr) |
77110abb RJ |
622 | return -ENODEV; |
623 | ||
624 | id->ident = mt9m111->model; | |
625 | id->revision = 0; | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
630 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
979ea1dd GL |
631 | static int mt9m111_g_register(struct v4l2_subdev *sd, |
632 | struct v4l2_dbg_register *reg) | |
77110abb | 633 | { |
979ea1dd | 634 | struct i2c_client *client = sd->priv; |
77110abb | 635 | int val; |
77110abb | 636 | |
aecde8b5 | 637 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
77110abb | 638 | return -EINVAL; |
9538e1c2 | 639 | if (reg->match.addr != client->addr) |
77110abb RJ |
640 | return -ENODEV; |
641 | ||
9538e1c2 | 642 | val = mt9m111_reg_read(client, reg->reg); |
aecde8b5 | 643 | reg->size = 2; |
77110abb RJ |
644 | reg->val = (u64)val; |
645 | ||
646 | if (reg->val > 0xffff) | |
647 | return -EIO; | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
979ea1dd GL |
652 | static int mt9m111_s_register(struct v4l2_subdev *sd, |
653 | struct v4l2_dbg_register *reg) | |
77110abb | 654 | { |
979ea1dd | 655 | struct i2c_client *client = sd->priv; |
77110abb | 656 | |
aecde8b5 | 657 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
77110abb RJ |
658 | return -EINVAL; |
659 | ||
9538e1c2 | 660 | if (reg->match.addr != client->addr) |
77110abb RJ |
661 | return -ENODEV; |
662 | ||
9538e1c2 | 663 | if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) |
77110abb RJ |
664 | return -EIO; |
665 | ||
666 | return 0; | |
667 | } | |
668 | #endif | |
669 | ||
670 | static const struct v4l2_queryctrl mt9m111_controls[] = { | |
671 | { | |
672 | .id = V4L2_CID_VFLIP, | |
673 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
674 | .name = "Flip Verticaly", | |
675 | .minimum = 0, | |
676 | .maximum = 1, | |
677 | .step = 1, | |
678 | .default_value = 0, | |
679 | }, { | |
680 | .id = V4L2_CID_HFLIP, | |
681 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
682 | .name = "Flip Horizontaly", | |
683 | .minimum = 0, | |
684 | .maximum = 1, | |
685 | .step = 1, | |
686 | .default_value = 0, | |
687 | }, { /* gain = 1/32*val (=>gain=1 if val==32) */ | |
688 | .id = V4L2_CID_GAIN, | |
689 | .type = V4L2_CTRL_TYPE_INTEGER, | |
690 | .name = "Gain", | |
691 | .minimum = 0, | |
692 | .maximum = 63 * 2 * 2, | |
693 | .step = 1, | |
694 | .default_value = 32, | |
695 | .flags = V4L2_CTRL_FLAG_SLIDER, | |
696 | }, { | |
697 | .id = V4L2_CID_EXPOSURE_AUTO, | |
698 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
699 | .name = "Auto Exposure", | |
700 | .minimum = 0, | |
701 | .maximum = 1, | |
702 | .step = 1, | |
703 | .default_value = 1, | |
704 | } | |
705 | }; | |
706 | ||
77110abb | 707 | static int mt9m111_resume(struct soc_camera_device *icd); |
96c75399 | 708 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state); |
77110abb RJ |
709 | |
710 | static struct soc_camera_ops mt9m111_ops = { | |
96c75399 | 711 | .suspend = mt9m111_suspend, |
77110abb | 712 | .resume = mt9m111_resume, |
77110abb RJ |
713 | .query_bus_param = mt9m111_query_bus_param, |
714 | .set_bus_param = mt9m111_set_bus_param, | |
715 | .controls = mt9m111_controls, | |
716 | .num_controls = ARRAY_SIZE(mt9m111_controls), | |
77110abb RJ |
717 | }; |
718 | ||
979ea1dd | 719 | static int mt9m111_set_flip(struct i2c_client *client, int flip, int mask) |
77110abb | 720 | { |
979ea1dd | 721 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
722 | int ret; |
723 | ||
724 | if (mt9m111->context == HIGHPOWER) { | |
725 | if (flip) | |
726 | ret = reg_set(READ_MODE_B, mask); | |
727 | else | |
728 | ret = reg_clear(READ_MODE_B, mask); | |
729 | } else { | |
730 | if (flip) | |
731 | ret = reg_set(READ_MODE_A, mask); | |
732 | else | |
733 | ret = reg_clear(READ_MODE_A, mask); | |
734 | } | |
735 | ||
736 | return ret; | |
737 | } | |
738 | ||
979ea1dd | 739 | static int mt9m111_get_global_gain(struct i2c_client *client) |
77110abb | 740 | { |
0f28b793 | 741 | int data; |
77110abb RJ |
742 | |
743 | data = reg_read(GLOBAL_GAIN); | |
744 | if (data >= 0) | |
0f28b793 | 745 | return (data & 0x2f) * (1 << ((data >> 10) & 1)) * |
746 | (1 << ((data >> 9) & 1)); | |
747 | return data; | |
77110abb | 748 | } |
0f28b793 | 749 | |
979ea1dd | 750 | static int mt9m111_set_global_gain(struct i2c_client *client, int gain) |
77110abb | 751 | { |
96c75399 | 752 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
753 | u16 val; |
754 | ||
755 | if (gain > 63 * 2 * 2) | |
756 | return -EINVAL; | |
757 | ||
96c75399 | 758 | mt9m111->gain = gain; |
77110abb RJ |
759 | if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) |
760 | val = (1 << 10) | (1 << 9) | (gain / 4); | |
761 | else if ((gain >= 64) && (gain < 64 * 2)) | |
506c629a | 762 | val = (1 << 9) | (gain / 2); |
77110abb RJ |
763 | else |
764 | val = gain; | |
765 | ||
766 | return reg_write(GLOBAL_GAIN, val); | |
767 | } | |
768 | ||
979ea1dd | 769 | static int mt9m111_set_autoexposure(struct i2c_client *client, int on) |
77110abb | 770 | { |
979ea1dd | 771 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
772 | int ret; |
773 | ||
774 | if (on) | |
775 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); | |
776 | else | |
777 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); | |
778 | ||
506c629a | 779 | if (!ret) |
77110abb RJ |
780 | mt9m111->autoexposure = on; |
781 | ||
782 | return ret; | |
783 | } | |
39bf372f | 784 | |
979ea1dd | 785 | static int mt9m111_set_autowhitebalance(struct i2c_client *client, int on) |
39bf372f | 786 | { |
979ea1dd | 787 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
39bf372f RJ |
788 | int ret; |
789 | ||
790 | if (on) | |
791 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); | |
792 | else | |
793 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); | |
794 | ||
795 | if (!ret) | |
796 | mt9m111->autowhitebalance = on; | |
797 | ||
798 | return ret; | |
799 | } | |
800 | ||
979ea1dd | 801 | static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
77110abb | 802 | { |
979ea1dd GL |
803 | struct i2c_client *client = sd->priv; |
804 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
77110abb RJ |
805 | int data; |
806 | ||
807 | switch (ctrl->id) { | |
808 | case V4L2_CID_VFLIP: | |
809 | if (mt9m111->context == HIGHPOWER) | |
810 | data = reg_read(READ_MODE_B); | |
811 | else | |
812 | data = reg_read(READ_MODE_A); | |
813 | ||
814 | if (data < 0) | |
815 | return -EIO; | |
816 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS); | |
817 | break; | |
818 | case V4L2_CID_HFLIP: | |
819 | if (mt9m111->context == HIGHPOWER) | |
820 | data = reg_read(READ_MODE_B); | |
821 | else | |
822 | data = reg_read(READ_MODE_A); | |
823 | ||
824 | if (data < 0) | |
825 | return -EIO; | |
826 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS); | |
827 | break; | |
828 | case V4L2_CID_GAIN: | |
979ea1dd | 829 | data = mt9m111_get_global_gain(client); |
77110abb RJ |
830 | if (data < 0) |
831 | return data; | |
832 | ctrl->value = data; | |
833 | break; | |
834 | case V4L2_CID_EXPOSURE_AUTO: | |
835 | ctrl->value = mt9m111->autoexposure; | |
836 | break; | |
39bf372f RJ |
837 | case V4L2_CID_AUTO_WHITE_BALANCE: |
838 | ctrl->value = mt9m111->autowhitebalance; | |
839 | break; | |
77110abb RJ |
840 | } |
841 | return 0; | |
842 | } | |
843 | ||
979ea1dd | 844 | static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
77110abb | 845 | { |
979ea1dd GL |
846 | struct i2c_client *client = sd->priv; |
847 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
77110abb | 848 | const struct v4l2_queryctrl *qctrl; |
506c629a | 849 | int ret; |
77110abb RJ |
850 | |
851 | qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); | |
77110abb RJ |
852 | if (!qctrl) |
853 | return -EINVAL; | |
854 | ||
855 | switch (ctrl->id) { | |
856 | case V4L2_CID_VFLIP: | |
857 | mt9m111->vflip = ctrl->value; | |
979ea1dd | 858 | ret = mt9m111_set_flip(client, ctrl->value, |
77110abb RJ |
859 | MT9M111_RMB_MIRROR_ROWS); |
860 | break; | |
861 | case V4L2_CID_HFLIP: | |
862 | mt9m111->hflip = ctrl->value; | |
979ea1dd | 863 | ret = mt9m111_set_flip(client, ctrl->value, |
77110abb RJ |
864 | MT9M111_RMB_MIRROR_COLS); |
865 | break; | |
866 | case V4L2_CID_GAIN: | |
979ea1dd | 867 | ret = mt9m111_set_global_gain(client, ctrl->value); |
77110abb RJ |
868 | break; |
869 | case V4L2_CID_EXPOSURE_AUTO: | |
979ea1dd | 870 | ret = mt9m111_set_autoexposure(client, ctrl->value); |
77110abb | 871 | break; |
39bf372f | 872 | case V4L2_CID_AUTO_WHITE_BALANCE: |
979ea1dd | 873 | ret = mt9m111_set_autowhitebalance(client, ctrl->value); |
39bf372f | 874 | break; |
77110abb RJ |
875 | default: |
876 | ret = -EINVAL; | |
877 | } | |
878 | ||
506c629a | 879 | return ret; |
77110abb RJ |
880 | } |
881 | ||
96c75399 GL |
882 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state) |
883 | { | |
884 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); | |
885 | struct mt9m111 *mt9m111 = to_mt9m111(client); | |
886 | ||
887 | mt9m111->gain = mt9m111_get_global_gain(client); | |
888 | ||
889 | return 0; | |
890 | } | |
891 | ||
979ea1dd | 892 | static int mt9m111_restore_state(struct i2c_client *client) |
77110abb | 893 | { |
979ea1dd | 894 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
979ea1dd GL |
895 | |
896 | mt9m111_set_context(client, mt9m111->context); | |
760697be | 897 | mt9m111_set_pixfmt(client, mt9m111->fmt->code); |
979ea1dd GL |
898 | mt9m111_setup_rect(client, &mt9m111->rect); |
899 | mt9m111_set_flip(client, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS); | |
900 | mt9m111_set_flip(client, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); | |
96c75399 | 901 | mt9m111_set_global_gain(client, mt9m111->gain); |
979ea1dd GL |
902 | mt9m111_set_autoexposure(client, mt9m111->autoexposure); |
903 | mt9m111_set_autowhitebalance(client, mt9m111->autowhitebalance); | |
77110abb RJ |
904 | return 0; |
905 | } | |
906 | ||
907 | static int mt9m111_resume(struct soc_camera_device *icd) | |
908 | { | |
40e2e092 | 909 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); |
979ea1dd | 910 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
911 | int ret = 0; |
912 | ||
913 | if (mt9m111->powered) { | |
979ea1dd | 914 | ret = mt9m111_enable(client); |
506c629a | 915 | if (!ret) |
979ea1dd | 916 | ret = mt9m111_reset(client); |
506c629a | 917 | if (!ret) |
979ea1dd | 918 | ret = mt9m111_restore_state(client); |
77110abb RJ |
919 | } |
920 | return ret; | |
921 | } | |
922 | ||
a4c56fd8 | 923 | static int mt9m111_init(struct i2c_client *client) |
77110abb | 924 | { |
979ea1dd | 925 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
926 | int ret; |
927 | ||
928 | mt9m111->context = HIGHPOWER; | |
979ea1dd | 929 | ret = mt9m111_enable(client); |
506c629a | 930 | if (!ret) |
979ea1dd | 931 | ret = mt9m111_reset(client); |
506c629a | 932 | if (!ret) |
979ea1dd | 933 | ret = mt9m111_set_context(client, mt9m111->context); |
506c629a | 934 | if (!ret) |
979ea1dd | 935 | ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure); |
506c629a | 936 | if (ret) |
85f8be68 | 937 | dev_err(&client->dev, "mt9m11x init failed: %d\n", ret); |
506c629a | 938 | return ret; |
77110abb RJ |
939 | } |
940 | ||
77110abb RJ |
941 | /* |
942 | * Interface active, can use i2c. If it fails, it can indeed mean, that | |
943 | * this wasn't our capture interface, so, we wait for the right one | |
944 | */ | |
40e2e092 GL |
945 | static int mt9m111_video_probe(struct soc_camera_device *icd, |
946 | struct i2c_client *client) | |
77110abb | 947 | { |
979ea1dd | 948 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
77110abb RJ |
949 | s32 data; |
950 | int ret; | |
951 | ||
952 | /* | |
953 | * We must have a parent by now. And it cannot be a wrong one. | |
954 | * So this entire test is completely redundant. | |
955 | */ | |
956 | if (!icd->dev.parent || | |
957 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) | |
958 | return -ENODEV; | |
959 | ||
a4c56fd8 GL |
960 | mt9m111->autoexposure = 1; |
961 | mt9m111->autowhitebalance = 1; | |
962 | ||
963 | mt9m111->swap_rgb_even_odd = 1; | |
964 | mt9m111->swap_rgb_red_blue = 1; | |
965 | ||
966 | ret = mt9m111_init(client); | |
77110abb RJ |
967 | if (ret) |
968 | goto ei2c; | |
969 | ||
970 | data = reg_read(CHIP_VERSION); | |
971 | ||
972 | switch (data) { | |
d7f83a51 | 973 | case 0x143a: /* MT9M111 */ |
77110abb | 974 | mt9m111->model = V4L2_IDENT_MT9M111; |
d7f83a51 MR |
975 | break; |
976 | case 0x148c: /* MT9M112 */ | |
977 | mt9m111->model = V4L2_IDENT_MT9M112; | |
77110abb RJ |
978 | break; |
979 | default: | |
980 | ret = -ENODEV; | |
85f8be68 | 981 | dev_err(&client->dev, |
d7f83a51 | 982 | "No MT9M11x chip detected, register read %x\n", data); |
77110abb RJ |
983 | goto ei2c; |
984 | } | |
985 | ||
85f8be68 | 986 | dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data); |
77110abb | 987 | |
77110abb RJ |
988 | ei2c: |
989 | return ret; | |
990 | } | |
991 | ||
979ea1dd GL |
992 | static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { |
993 | .g_ctrl = mt9m111_g_ctrl, | |
994 | .s_ctrl = mt9m111_s_ctrl, | |
995 | .g_chip_ident = mt9m111_g_chip_ident, | |
996 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
997 | .g_register = mt9m111_g_register, | |
998 | .s_register = mt9m111_s_register, | |
999 | #endif | |
1000 | }; | |
1001 | ||
3805f201 | 1002 | static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
760697be GL |
1003 | enum v4l2_mbus_pixelcode *code) |
1004 | { | |
3805f201 | 1005 | if (index >= ARRAY_SIZE(mt9m111_colour_fmts)) |
760697be GL |
1006 | return -EINVAL; |
1007 | ||
1008 | *code = mt9m111_colour_fmts[index].code; | |
1009 | return 0; | |
1010 | } | |
1011 | ||
979ea1dd | 1012 | static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { |
760697be GL |
1013 | .s_mbus_fmt = mt9m111_s_fmt, |
1014 | .g_mbus_fmt = mt9m111_g_fmt, | |
1015 | .try_mbus_fmt = mt9m111_try_fmt, | |
08590b96 | 1016 | .s_crop = mt9m111_s_crop, |
6a6c8786 GL |
1017 | .g_crop = mt9m111_g_crop, |
1018 | .cropcap = mt9m111_cropcap, | |
760697be | 1019 | .enum_mbus_fmt = mt9m111_enum_fmt, |
979ea1dd GL |
1020 | }; |
1021 | ||
1022 | static struct v4l2_subdev_ops mt9m111_subdev_ops = { | |
1023 | .core = &mt9m111_subdev_core_ops, | |
1024 | .video = &mt9m111_subdev_video_ops, | |
1025 | }; | |
1026 | ||
77110abb RJ |
1027 | static int mt9m111_probe(struct i2c_client *client, |
1028 | const struct i2c_device_id *did) | |
1029 | { | |
1030 | struct mt9m111 *mt9m111; | |
40e2e092 | 1031 | struct soc_camera_device *icd = client->dev.platform_data; |
77110abb | 1032 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); |
40e2e092 | 1033 | struct soc_camera_link *icl; |
77110abb RJ |
1034 | int ret; |
1035 | ||
40e2e092 GL |
1036 | if (!icd) { |
1037 | dev_err(&client->dev, "MT9M11x: missing soc-camera data!\n"); | |
1038 | return -EINVAL; | |
1039 | } | |
1040 | ||
1041 | icl = to_soc_camera_link(icd); | |
77110abb | 1042 | if (!icl) { |
d7f83a51 | 1043 | dev_err(&client->dev, "MT9M11x driver needs platform data\n"); |
77110abb RJ |
1044 | return -EINVAL; |
1045 | } | |
1046 | ||
1047 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { | |
1048 | dev_warn(&adapter->dev, | |
1049 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); | |
1050 | return -EIO; | |
1051 | } | |
1052 | ||
1053 | mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL); | |
1054 | if (!mt9m111) | |
1055 | return -ENOMEM; | |
1056 | ||
979ea1dd | 1057 | v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); |
77110abb RJ |
1058 | |
1059 | /* Second stage probe - when a capture adapter is there */ | |
a0705b07 | 1060 | icd->ops = &mt9m111_ops; |
77110abb | 1061 | |
6a6c8786 GL |
1062 | mt9m111->rect.left = MT9M111_MIN_DARK_COLS; |
1063 | mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; | |
1064 | mt9m111->rect.width = MT9M111_MAX_WIDTH; | |
1065 | mt9m111->rect.height = MT9M111_MAX_HEIGHT; | |
760697be | 1066 | mt9m111->fmt = &mt9m111_colour_fmts[0]; |
6a6c8786 | 1067 | |
40e2e092 GL |
1068 | ret = mt9m111_video_probe(icd, client); |
1069 | if (ret) { | |
1070 | icd->ops = NULL; | |
40e2e092 GL |
1071 | kfree(mt9m111); |
1072 | } | |
77110abb | 1073 | |
77110abb RJ |
1074 | return ret; |
1075 | } | |
1076 | ||
1077 | static int mt9m111_remove(struct i2c_client *client) | |
1078 | { | |
979ea1dd | 1079 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
40e2e092 GL |
1080 | struct soc_camera_device *icd = client->dev.platform_data; |
1081 | ||
1082 | icd->ops = NULL; | |
40e2e092 | 1083 | client->driver = NULL; |
77110abb RJ |
1084 | kfree(mt9m111); |
1085 | ||
1086 | return 0; | |
1087 | } | |
1088 | ||
1089 | static const struct i2c_device_id mt9m111_id[] = { | |
1090 | { "mt9m111", 0 }, | |
1091 | { } | |
1092 | }; | |
1093 | MODULE_DEVICE_TABLE(i2c, mt9m111_id); | |
1094 | ||
1095 | static struct i2c_driver mt9m111_i2c_driver = { | |
1096 | .driver = { | |
1097 | .name = "mt9m111", | |
1098 | }, | |
1099 | .probe = mt9m111_probe, | |
1100 | .remove = mt9m111_remove, | |
1101 | .id_table = mt9m111_id, | |
1102 | }; | |
1103 | ||
1104 | static int __init mt9m111_mod_init(void) | |
1105 | { | |
1106 | return i2c_add_driver(&mt9m111_i2c_driver); | |
1107 | } | |
1108 | ||
1109 | static void __exit mt9m111_mod_exit(void) | |
1110 | { | |
1111 | i2c_del_driver(&mt9m111_i2c_driver); | |
1112 | } | |
1113 | ||
1114 | module_init(mt9m111_mod_init); | |
1115 | module_exit(mt9m111_mod_exit); | |
1116 | ||
d7f83a51 | 1117 | MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver"); |
77110abb RJ |
1118 | MODULE_AUTHOR("Robert Jarzmik"); |
1119 | MODULE_LICENSE("GPL"); |