2 * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina
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.
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 #include <linux/v4l2-mediabus.h>
17 #include <linux/module.h>
18 #include <linux/property.h>
20 #include <media/v4l2-async.h>
21 #include <media/v4l2-clk.h>
22 #include <media/v4l2-common.h>
23 #include <media/v4l2-ctrls.h>
24 #include <media/v4l2-device.h>
25 #include <media/v4l2-event.h>
26 #include <media/v4l2-fwnode.h>
29 * MT9M111, MT9M112 and MT9M131:
30 * i2c address is 0x48 or 0x5d (depending on SADDR pin)
31 * The platform has to define struct i2c_board_info objects and link to them
32 * from struct soc_camera_host_desc
36 * Sensor core register addresses (0x000..0x0ff)
38 #define MT9M111_CHIP_VERSION 0x000
39 #define MT9M111_ROW_START 0x001
40 #define MT9M111_COLUMN_START 0x002
41 #define MT9M111_WINDOW_HEIGHT 0x003
42 #define MT9M111_WINDOW_WIDTH 0x004
43 #define MT9M111_HORIZONTAL_BLANKING_B 0x005
44 #define MT9M111_VERTICAL_BLANKING_B 0x006
45 #define MT9M111_HORIZONTAL_BLANKING_A 0x007
46 #define MT9M111_VERTICAL_BLANKING_A 0x008
47 #define MT9M111_SHUTTER_WIDTH 0x009
48 #define MT9M111_ROW_SPEED 0x00a
49 #define MT9M111_EXTRA_DELAY 0x00b
50 #define MT9M111_SHUTTER_DELAY 0x00c
51 #define MT9M111_RESET 0x00d
52 #define MT9M111_READ_MODE_B 0x020
53 #define MT9M111_READ_MODE_A 0x021
54 #define MT9M111_FLASH_CONTROL 0x023
55 #define MT9M111_GREEN1_GAIN 0x02b
56 #define MT9M111_BLUE_GAIN 0x02c
57 #define MT9M111_RED_GAIN 0x02d
58 #define MT9M111_GREEN2_GAIN 0x02e
59 #define MT9M111_GLOBAL_GAIN 0x02f
60 #define MT9M111_CONTEXT_CONTROL 0x0c8
61 #define MT9M111_PAGE_MAP 0x0f0
62 #define MT9M111_BYTE_WISE_ADDR 0x0f1
64 #define MT9M111_RESET_SYNC_CHANGES (1 << 15)
65 #define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9)
66 #define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8)
67 #define MT9M111_RESET_RESET_SOC (1 << 5)
68 #define MT9M111_RESET_OUTPUT_DISABLE (1 << 4)
69 #define MT9M111_RESET_CHIP_ENABLE (1 << 3)
70 #define MT9M111_RESET_ANALOG_STANDBY (1 << 2)
71 #define MT9M111_RESET_RESTART_FRAME (1 << 1)
72 #define MT9M111_RESET_RESET_MODE (1 << 0)
74 #define MT9M111_RM_FULL_POWER_RD (0 << 10)
75 #define MT9M111_RM_LOW_POWER_RD (1 << 10)
76 #define MT9M111_RM_COL_SKIP_4X (1 << 5)
77 #define MT9M111_RM_ROW_SKIP_4X (1 << 4)
78 #define MT9M111_RM_COL_SKIP_2X (1 << 3)
79 #define MT9M111_RM_ROW_SKIP_2X (1 << 2)
80 #define MT9M111_RMB_MIRROR_COLS (1 << 1)
81 #define MT9M111_RMB_MIRROR_ROWS (1 << 0)
82 #define MT9M111_CTXT_CTRL_RESTART (1 << 15)
83 #define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12)
84 #define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10)
85 #define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9)
86 #define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8)
87 #define MT9M111_CTXT_CTRL_XENON_EN (1 << 7)
88 #define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3)
89 #define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2)
90 #define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1)
91 #define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0)
94 * Colorpipe register addresses (0x100..0x1ff)
96 #define MT9M111_OPER_MODE_CTRL 0x106
97 #define MT9M111_OUTPUT_FORMAT_CTRL 0x108
98 #define MT9M111_TPG_CTRL 0x148
99 #define MT9M111_REDUCER_XZOOM_B 0x1a0
100 #define MT9M111_REDUCER_XSIZE_B 0x1a1
101 #define MT9M111_REDUCER_YZOOM_B 0x1a3
102 #define MT9M111_REDUCER_YSIZE_B 0x1a4
103 #define MT9M111_REDUCER_XZOOM_A 0x1a6
104 #define MT9M111_REDUCER_XSIZE_A 0x1a7
105 #define MT9M111_REDUCER_YZOOM_A 0x1a9
106 #define MT9M111_REDUCER_YSIZE_A 0x1aa
107 #define MT9M111_EFFECTS_MODE 0x1e2
109 #define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a
110 #define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
112 #define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
113 #define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
114 #define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9)
115 #define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8)
116 #define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
117 #define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
118 #define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9)
119 #define MT9M111_OUTFMT_RGB (1 << 8)
120 #define MT9M111_OUTFMT_RGB565 (0 << 6)
121 #define MT9M111_OUTFMT_RGB555 (1 << 6)
122 #define MT9M111_OUTFMT_RGB444x (2 << 6)
123 #define MT9M111_OUTFMT_RGBx444 (3 << 6)
124 #define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4)
125 #define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4)
126 #define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4)
127 #define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4)
128 #define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3)
129 #define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
130 #define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1)
131 #define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0)
132 #define MT9M111_TPG_SEL_MASK GENMASK(2, 0)
133 #define MT9M111_EFFECTS_MODE_MASK GENMASK(2, 0)
134 #define MT9M111_RM_PWR_MASK BIT(10)
135 #define MT9M111_RM_SKIP2_MASK GENMASK(3, 2)
138 * Camera control register addresses (0x200..0x2ff not implemented)
141 #define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg)
142 #define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val))
143 #define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val))
144 #define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val))
145 #define reg_mask(reg, val, mask) mt9m111_reg_mask(client, MT9M111_##reg, \
148 #define MT9M111_MIN_DARK_ROWS 8
149 #define MT9M111_MIN_DARK_COLS 26
150 #define MT9M111_MAX_HEIGHT 1024
151 #define MT9M111_MAX_WIDTH 1280
153 struct mt9m111_context {
161 u16 output_fmt_ctrl2;
165 static struct mt9m111_context context_a = {
166 .read_mode = MT9M111_READ_MODE_A,
167 .blanking_h = MT9M111_HORIZONTAL_BLANKING_A,
168 .blanking_v = MT9M111_VERTICAL_BLANKING_A,
169 .reducer_xzoom = MT9M111_REDUCER_XZOOM_A,
170 .reducer_yzoom = MT9M111_REDUCER_YZOOM_A,
171 .reducer_xsize = MT9M111_REDUCER_XSIZE_A,
172 .reducer_ysize = MT9M111_REDUCER_YSIZE_A,
173 .output_fmt_ctrl2 = MT9M111_OUTPUT_FORMAT_CTRL2_A,
174 .control = MT9M111_CTXT_CTRL_RESTART,
177 static struct mt9m111_context context_b = {
178 .read_mode = MT9M111_READ_MODE_B,
179 .blanking_h = MT9M111_HORIZONTAL_BLANKING_B,
180 .blanking_v = MT9M111_VERTICAL_BLANKING_B,
181 .reducer_xzoom = MT9M111_REDUCER_XZOOM_B,
182 .reducer_yzoom = MT9M111_REDUCER_YZOOM_B,
183 .reducer_xsize = MT9M111_REDUCER_XSIZE_B,
184 .reducer_ysize = MT9M111_REDUCER_YSIZE_B,
185 .output_fmt_ctrl2 = MT9M111_OUTPUT_FORMAT_CTRL2_B,
186 .control = MT9M111_CTXT_CTRL_RESTART |
187 MT9M111_CTXT_CTRL_DEFECTCOR_B | MT9M111_CTXT_CTRL_RESIZE_B |
188 MT9M111_CTXT_CTRL_CTRL2_B | MT9M111_CTXT_CTRL_GAMMA_B |
189 MT9M111_CTXT_CTRL_READ_MODE_B | MT9M111_CTXT_CTRL_VBLANK_SEL_B |
190 MT9M111_CTXT_CTRL_HBLANK_SEL_B,
193 /* MT9M111 has only one fixed colorspace per pixelcode */
194 struct mt9m111_datafmt {
196 enum v4l2_colorspace colorspace;
199 static const struct mt9m111_datafmt mt9m111_colour_fmts[] = {
200 {MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB},
201 {MEDIA_BUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_SRGB},
202 {MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB},
203 {MEDIA_BUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_SRGB},
204 {MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
205 {MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB},
206 {MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB},
207 {MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB},
208 {MEDIA_BUS_FMT_BGR565_2X8_LE, V4L2_COLORSPACE_SRGB},
209 {MEDIA_BUS_FMT_BGR565_2X8_BE, V4L2_COLORSPACE_SRGB},
210 {MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
211 {MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
214 enum mt9m111_mode_id {
215 MT9M111_MODE_SXGA_8FPS,
216 MT9M111_MODE_SXGA_15FPS,
217 MT9M111_MODE_QSXGA_30FPS,
221 struct mt9m111_mode_info {
222 unsigned int sensor_w;
223 unsigned int sensor_h;
224 unsigned int max_image_w;
225 unsigned int max_image_h;
226 unsigned int max_fps;
227 unsigned int reg_val;
228 unsigned int reg_mask;
232 struct v4l2_subdev subdev;
233 struct v4l2_ctrl_handler hdl;
234 struct v4l2_ctrl *gain;
235 struct mt9m111_context *ctx;
236 struct v4l2_rect rect; /* cropping rectangle */
237 struct v4l2_clk *clk;
238 unsigned int width; /* output */
239 unsigned int height; /* sizes */
240 struct v4l2_fract frame_interval;
241 const struct mt9m111_mode_info *current_mode;
242 struct mutex power_lock; /* lock to protect power_count */
244 const struct mt9m111_datafmt *fmt;
245 int lastpage; /* PageMap cache value */
247 /* user point of view - 0: falling 1: rising edge */
248 unsigned int pclk_sample:1;
249 #ifdef CONFIG_MEDIA_CONTROLLER
250 struct media_pad pad;
254 static const struct mt9m111_mode_info mt9m111_mode_data[MT9M111_NUM_MODES] = {
255 [MT9M111_MODE_SXGA_8FPS] = {
261 .reg_val = MT9M111_RM_LOW_POWER_RD,
262 .reg_mask = MT9M111_RM_PWR_MASK | MT9M111_RM_SKIP2_MASK,
264 [MT9M111_MODE_SXGA_15FPS] = {
270 .reg_val = MT9M111_RM_FULL_POWER_RD,
271 .reg_mask = MT9M111_RM_PWR_MASK | MT9M111_RM_SKIP2_MASK,
273 [MT9M111_MODE_QSXGA_30FPS] = {
279 .reg_val = MT9M111_RM_LOW_POWER_RD | MT9M111_RM_COL_SKIP_2X |
280 MT9M111_RM_ROW_SKIP_2X,
281 .reg_mask = MT9M111_RM_PWR_MASK | MT9M111_RM_SKIP2_MASK,
285 /* Find a data format by a pixel code */
286 static const struct mt9m111_datafmt *mt9m111_find_datafmt(struct mt9m111 *mt9m111,
290 for (i = 0; i < ARRAY_SIZE(mt9m111_colour_fmts); i++)
291 if (mt9m111_colour_fmts[i].code == code)
292 return mt9m111_colour_fmts + i;
297 static struct mt9m111 *to_mt9m111(const struct i2c_client *client)
299 return container_of(i2c_get_clientdata(client), struct mt9m111, subdev);
302 static int reg_page_map_set(struct i2c_client *client, const u16 reg)
306 struct mt9m111 *mt9m111 = to_mt9m111(client);
309 if (page == mt9m111->lastpage)
314 ret = i2c_smbus_write_word_swapped(client, MT9M111_PAGE_MAP, page);
316 mt9m111->lastpage = page;
320 static int mt9m111_reg_read(struct i2c_client *client, const u16 reg)
324 ret = reg_page_map_set(client, reg);
326 ret = i2c_smbus_read_word_swapped(client, reg & 0xff);
328 dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret);
332 static int mt9m111_reg_write(struct i2c_client *client, const u16 reg,
337 ret = reg_page_map_set(client, reg);
339 ret = i2c_smbus_write_word_swapped(client, reg & 0xff, data);
340 dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
344 static int mt9m111_reg_set(struct i2c_client *client, const u16 reg,
349 ret = mt9m111_reg_read(client, reg);
351 ret = mt9m111_reg_write(client, reg, ret | data);
355 static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
360 ret = mt9m111_reg_read(client, reg);
362 ret = mt9m111_reg_write(client, reg, ret & ~data);
366 static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg,
367 const u16 data, const u16 mask)
371 ret = mt9m111_reg_read(client, reg);
373 ret = mt9m111_reg_write(client, reg, (ret & ~mask) | data);
377 static int mt9m111_set_context(struct mt9m111 *mt9m111,
378 struct mt9m111_context *ctx)
380 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
381 return reg_write(CONTEXT_CONTROL, ctx->control);
384 static int mt9m111_setup_rect_ctx(struct mt9m111 *mt9m111,
385 struct mt9m111_context *ctx, struct v4l2_rect *rect,
386 unsigned int width, unsigned int height)
388 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
389 int ret = mt9m111_reg_write(client, ctx->reducer_xzoom, rect->width);
391 ret = mt9m111_reg_write(client, ctx->reducer_yzoom, rect->height);
393 ret = mt9m111_reg_write(client, ctx->reducer_xsize, width);
395 ret = mt9m111_reg_write(client, ctx->reducer_ysize, height);
399 static int mt9m111_setup_geometry(struct mt9m111 *mt9m111, struct v4l2_rect *rect,
400 int width, int height, u32 code)
402 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
405 ret = reg_write(COLUMN_START, rect->left);
407 ret = reg_write(ROW_START, rect->top);
410 ret = reg_write(WINDOW_WIDTH, rect->width);
412 ret = reg_write(WINDOW_HEIGHT, rect->height);
414 if (code != MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) {
415 /* IFP in use, down-scaling possible */
417 ret = mt9m111_setup_rect_ctx(mt9m111, &context_b,
418 rect, width, height);
420 ret = mt9m111_setup_rect_ctx(mt9m111, &context_a,
421 rect, width, height);
424 dev_dbg(&client->dev, "%s(%x): %ux%u@%u:%u -> %ux%u = %d\n",
425 __func__, code, rect->width, rect->height, rect->left, rect->top,
431 static int mt9m111_enable(struct mt9m111 *mt9m111)
433 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
434 return reg_write(RESET, MT9M111_RESET_CHIP_ENABLE);
437 static int mt9m111_reset(struct mt9m111 *mt9m111)
439 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
442 ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
444 ret = reg_set(RESET, MT9M111_RESET_RESET_SOC);
446 ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE
447 | MT9M111_RESET_RESET_SOC);
452 static int mt9m111_set_selection(struct v4l2_subdev *sd,
453 struct v4l2_subdev_pad_config *cfg,
454 struct v4l2_subdev_selection *sel)
456 struct i2c_client *client = v4l2_get_subdevdata(sd);
457 struct mt9m111 *mt9m111 = to_mt9m111(client);
458 struct v4l2_rect rect = sel->r;
462 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
463 sel->target != V4L2_SEL_TGT_CROP)
466 if (mt9m111->fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8 ||
467 mt9m111->fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) {
468 /* Bayer format - even size lengths */
470 /* Let the user play with the starting pixel */
473 /* FIXME: the datasheet doesn't specify minimum sizes */
474 v4l_bound_align_image(&rect.width, 2, MT9M111_MAX_WIDTH, align,
475 &rect.height, 2, MT9M111_MAX_HEIGHT, align, 0);
476 rect.left = clamp(rect.left, MT9M111_MIN_DARK_COLS,
477 MT9M111_MIN_DARK_COLS + MT9M111_MAX_WIDTH -
479 rect.top = clamp(rect.top, MT9M111_MIN_DARK_ROWS,
480 MT9M111_MIN_DARK_ROWS + MT9M111_MAX_HEIGHT -
483 width = min(mt9m111->width, rect.width);
484 height = min(mt9m111->height, rect.height);
486 ret = mt9m111_setup_geometry(mt9m111, &rect, width, height, mt9m111->fmt->code);
488 mt9m111->rect = rect;
489 mt9m111->width = width;
490 mt9m111->height = height;
496 static int mt9m111_get_selection(struct v4l2_subdev *sd,
497 struct v4l2_subdev_pad_config *cfg,
498 struct v4l2_subdev_selection *sel)
500 struct i2c_client *client = v4l2_get_subdevdata(sd);
501 struct mt9m111 *mt9m111 = to_mt9m111(client);
503 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
506 switch (sel->target) {
507 case V4L2_SEL_TGT_CROP_BOUNDS:
508 sel->r.left = MT9M111_MIN_DARK_COLS;
509 sel->r.top = MT9M111_MIN_DARK_ROWS;
510 sel->r.width = MT9M111_MAX_WIDTH;
511 sel->r.height = MT9M111_MAX_HEIGHT;
513 case V4L2_SEL_TGT_CROP:
514 sel->r = mt9m111->rect;
521 static int mt9m111_get_fmt(struct v4l2_subdev *sd,
522 struct v4l2_subdev_pad_config *cfg,
523 struct v4l2_subdev_format *format)
525 struct v4l2_mbus_framefmt *mf = &format->format;
526 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
531 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
532 #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
533 mf = v4l2_subdev_get_try_format(sd, cfg, format->pad);
534 format->format = *mf;
541 mf->width = mt9m111->width;
542 mf->height = mt9m111->height;
543 mf->code = mt9m111->fmt->code;
544 mf->colorspace = mt9m111->fmt->colorspace;
545 mf->field = V4L2_FIELD_NONE;
546 mf->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
547 mf->quantization = V4L2_QUANTIZATION_DEFAULT;
548 mf->xfer_func = V4L2_XFER_FUNC_DEFAULT;
553 static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111,
556 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
557 u16 data_outfmt2, mask_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER |
558 MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB |
559 MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 |
560 MT9M111_OUTFMT_RGB444x | MT9M111_OUTFMT_RGBx444 |
561 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
562 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
566 case MEDIA_BUS_FMT_SBGGR8_1X8:
567 data_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER |
570 case MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE:
571 data_outfmt2 = MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB;
573 case MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE:
574 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555 |
575 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
577 case MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE:
578 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
580 case MEDIA_BUS_FMT_RGB565_2X8_LE:
581 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
582 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
584 case MEDIA_BUS_FMT_RGB565_2X8_BE:
585 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
587 case MEDIA_BUS_FMT_BGR565_2X8_BE:
588 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
589 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
591 case MEDIA_BUS_FMT_BGR565_2X8_LE:
592 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
593 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
594 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
596 case MEDIA_BUS_FMT_UYVY8_2X8:
599 case MEDIA_BUS_FMT_VYUY8_2X8:
600 data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
602 case MEDIA_BUS_FMT_YUYV8_2X8:
603 data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
605 case MEDIA_BUS_FMT_YVYU8_2X8:
606 data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
607 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
610 dev_err(&client->dev, "Pixel format not handled: %x\n", code);
614 /* receiver samples on falling edge, chip-hw default is rising */
615 if (mt9m111->pclk_sample == 0)
616 mask_outfmt2 |= MT9M111_OUTFMT_INV_PIX_CLOCK;
618 ret = mt9m111_reg_mask(client, context_a.output_fmt_ctrl2,
619 data_outfmt2, mask_outfmt2);
621 ret = mt9m111_reg_mask(client, context_b.output_fmt_ctrl2,
622 data_outfmt2, mask_outfmt2);
627 static int mt9m111_set_fmt(struct v4l2_subdev *sd,
628 struct v4l2_subdev_pad_config *cfg,
629 struct v4l2_subdev_format *format)
631 struct v4l2_mbus_framefmt *mf = &format->format;
632 struct i2c_client *client = v4l2_get_subdevdata(sd);
633 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
634 const struct mt9m111_datafmt *fmt;
635 struct v4l2_rect *rect = &mt9m111->rect;
639 if (mt9m111->is_streaming)
645 fmt = mt9m111_find_datafmt(mt9m111, mf->code);
647 bayer = fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8 ||
648 fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE;
651 * With Bayer format enforce even side lengths, but let the user play
652 * with the starting pixel
655 rect->width = ALIGN(rect->width, 2);
656 rect->height = ALIGN(rect->height, 2);
659 if (fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) {
660 /* IFP bypass mode, no scaling */
661 mf->width = rect->width;
662 mf->height = rect->height;
665 if (mf->width > rect->width)
666 mf->width = rect->width;
667 if (mf->height > rect->height)
668 mf->height = rect->height;
671 dev_dbg(&client->dev, "%s(): %ux%u, code=%x\n", __func__,
672 mf->width, mf->height, fmt->code);
674 mf->code = fmt->code;
675 mf->colorspace = fmt->colorspace;
676 mf->field = V4L2_FIELD_NONE;
677 mf->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
678 mf->quantization = V4L2_QUANTIZATION_DEFAULT;
679 mf->xfer_func = V4L2_XFER_FUNC_DEFAULT;
681 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
686 ret = mt9m111_setup_geometry(mt9m111, rect, mf->width, mf->height, mf->code);
688 ret = mt9m111_set_pixfmt(mt9m111, mf->code);
690 mt9m111->width = mf->width;
691 mt9m111->height = mf->height;
698 static const struct mt9m111_mode_info *
699 mt9m111_find_mode(struct mt9m111 *mt9m111, unsigned int req_fps,
700 unsigned int width, unsigned int height)
702 const struct mt9m111_mode_info *mode;
703 struct v4l2_rect *sensor_rect = &mt9m111->rect;
704 unsigned int gap, gap_best = (unsigned int) -1;
705 int i, best_gap_idx = MT9M111_MODE_SXGA_15FPS;
706 bool skip_30fps = false;
709 * The fps selection is based on the row, column skipping mechanism.
710 * So ensure that the sensor window is set to default else the fps
711 * aren't calculated correctly within the sensor hw.
713 if (sensor_rect->width != MT9M111_MAX_WIDTH ||
714 sensor_rect->height != MT9M111_MAX_HEIGHT) {
715 dev_info(mt9m111->subdev.dev,
716 "Framerate selection is not supported for cropped "
721 /* 30fps only supported for images not exceeding 640x512 */
722 if (width > MT9M111_MAX_WIDTH / 2 || height > MT9M111_MAX_HEIGHT / 2) {
723 dev_dbg(mt9m111->subdev.dev,
724 "Framerates > 15fps are supported only for images "
725 "not exceeding 640x512\n");
729 /* find best matched fps */
730 for (i = 0; i < MT9M111_NUM_MODES; i++) {
731 unsigned int fps = mt9m111_mode_data[i].max_fps;
733 if (fps == 30 && skip_30fps)
736 gap = abs(fps - req_fps);
737 if (gap < gap_best) {
744 * Use context a/b default timing values instead of calculate blanking
747 mode = &mt9m111_mode_data[best_gap_idx];
748 mt9m111->ctx = (best_gap_idx == MT9M111_MODE_QSXGA_30FPS) ? &context_a :
753 #ifdef CONFIG_VIDEO_ADV_DEBUG
754 static int mt9m111_g_register(struct v4l2_subdev *sd,
755 struct v4l2_dbg_register *reg)
757 struct i2c_client *client = v4l2_get_subdevdata(sd);
760 if (reg->reg > 0x2ff)
763 val = mt9m111_reg_read(client, reg->reg);
767 if (reg->val > 0xffff)
773 static int mt9m111_s_register(struct v4l2_subdev *sd,
774 const struct v4l2_dbg_register *reg)
776 struct i2c_client *client = v4l2_get_subdevdata(sd);
778 if (reg->reg > 0x2ff)
781 if (mt9m111_reg_write(client, reg->reg, reg->val) < 0)
788 static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask)
790 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
794 ret = mt9m111_reg_set(client, mt9m111->ctx->read_mode, mask);
796 ret = mt9m111_reg_clear(client, mt9m111->ctx->read_mode, mask);
801 static int mt9m111_get_global_gain(struct mt9m111 *mt9m111)
803 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
806 data = reg_read(GLOBAL_GAIN);
808 return (data & 0x2f) * (1 << ((data >> 10) & 1)) *
809 (1 << ((data >> 9) & 1));
813 static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain)
815 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
818 if (gain > 63 * 2 * 2)
821 if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
822 val = (1 << 10) | (1 << 9) | (gain / 4);
823 else if ((gain >= 64) && (gain < 64 * 2))
824 val = (1 << 9) | (gain / 2);
828 return reg_write(GLOBAL_GAIN, val);
831 static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int val)
833 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
835 if (val == V4L2_EXPOSURE_AUTO)
836 return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
837 return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
840 static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on)
842 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
845 return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
846 return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
849 static const char * const mt9m111_test_pattern_menu[] = {
851 "Vertical monochrome gradient",
860 static int mt9m111_set_test_pattern(struct mt9m111 *mt9m111, int val)
862 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
864 return mt9m111_reg_mask(client, MT9M111_TPG_CTRL, val,
865 MT9M111_TPG_SEL_MASK);
868 static int mt9m111_set_colorfx(struct mt9m111 *mt9m111, int val)
870 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
871 static const struct v4l2_control colorfx[] = {
872 { V4L2_COLORFX_NONE, 0 },
873 { V4L2_COLORFX_BW, 1 },
874 { V4L2_COLORFX_SEPIA, 2 },
875 { V4L2_COLORFX_NEGATIVE, 3 },
876 { V4L2_COLORFX_SOLARIZATION, 4 },
880 for (i = 0; i < ARRAY_SIZE(colorfx); i++) {
881 if (colorfx[i].id == val) {
882 return mt9m111_reg_mask(client, MT9M111_EFFECTS_MODE,
884 MT9M111_EFFECTS_MODE_MASK);
891 static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
893 struct mt9m111 *mt9m111 = container_of(ctrl->handler,
894 struct mt9m111, hdl);
898 return mt9m111_set_flip(mt9m111, ctrl->val,
899 MT9M111_RMB_MIRROR_ROWS);
901 return mt9m111_set_flip(mt9m111, ctrl->val,
902 MT9M111_RMB_MIRROR_COLS);
904 return mt9m111_set_global_gain(mt9m111, ctrl->val);
905 case V4L2_CID_EXPOSURE_AUTO:
906 return mt9m111_set_autoexposure(mt9m111, ctrl->val);
907 case V4L2_CID_AUTO_WHITE_BALANCE:
908 return mt9m111_set_autowhitebalance(mt9m111, ctrl->val);
909 case V4L2_CID_TEST_PATTERN:
910 return mt9m111_set_test_pattern(mt9m111, ctrl->val);
911 case V4L2_CID_COLORFX:
912 return mt9m111_set_colorfx(mt9m111, ctrl->val);
918 static int mt9m111_suspend(struct mt9m111 *mt9m111)
920 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
923 v4l2_ctrl_s_ctrl(mt9m111->gain, mt9m111_get_global_gain(mt9m111));
925 ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
927 ret = reg_set(RESET, MT9M111_RESET_RESET_SOC |
928 MT9M111_RESET_OUTPUT_DISABLE |
929 MT9M111_RESET_ANALOG_STANDBY);
931 ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE);
936 static void mt9m111_restore_state(struct mt9m111 *mt9m111)
938 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
940 mt9m111_set_context(mt9m111, mt9m111->ctx);
941 mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code);
942 mt9m111_setup_geometry(mt9m111, &mt9m111->rect,
943 mt9m111->width, mt9m111->height, mt9m111->fmt->code);
944 v4l2_ctrl_handler_setup(&mt9m111->hdl);
945 mt9m111_reg_mask(client, mt9m111->ctx->read_mode,
946 mt9m111->current_mode->reg_val,
947 mt9m111->current_mode->reg_mask);
950 static int mt9m111_resume(struct mt9m111 *mt9m111)
952 int ret = mt9m111_enable(mt9m111);
954 ret = mt9m111_reset(mt9m111);
956 mt9m111_restore_state(mt9m111);
961 static int mt9m111_init(struct mt9m111 *mt9m111)
963 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
966 ret = mt9m111_enable(mt9m111);
968 ret = mt9m111_reset(mt9m111);
970 ret = mt9m111_set_context(mt9m111, mt9m111->ctx);
972 dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
976 static int mt9m111_power_on(struct mt9m111 *mt9m111)
978 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
981 ret = v4l2_clk_enable(mt9m111->clk);
985 ret = mt9m111_resume(mt9m111);
987 dev_err(&client->dev, "Failed to resume the sensor: %d\n", ret);
988 v4l2_clk_disable(mt9m111->clk);
994 static void mt9m111_power_off(struct mt9m111 *mt9m111)
996 mt9m111_suspend(mt9m111);
997 v4l2_clk_disable(mt9m111->clk);
1000 static int mt9m111_s_power(struct v4l2_subdev *sd, int on)
1002 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
1005 mutex_lock(&mt9m111->power_lock);
1008 * If the power count is modified from 0 to != 0 or from != 0 to 0,
1009 * update the power state.
1011 if (mt9m111->power_count == !on) {
1013 ret = mt9m111_power_on(mt9m111);
1015 mt9m111_power_off(mt9m111);
1019 /* Update the power count. */
1020 mt9m111->power_count += on ? 1 : -1;
1021 WARN_ON(mt9m111->power_count < 0);
1024 mutex_unlock(&mt9m111->power_lock);
1028 static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = {
1029 .s_ctrl = mt9m111_s_ctrl,
1032 static const struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
1033 .s_power = mt9m111_s_power,
1034 .log_status = v4l2_ctrl_subdev_log_status,
1035 .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
1036 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
1037 #ifdef CONFIG_VIDEO_ADV_DEBUG
1038 .g_register = mt9m111_g_register,
1039 .s_register = mt9m111_s_register,
1043 static int mt9m111_g_frame_interval(struct v4l2_subdev *sd,
1044 struct v4l2_subdev_frame_interval *fi)
1046 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
1048 fi->interval = mt9m111->frame_interval;
1053 static int mt9m111_s_frame_interval(struct v4l2_subdev *sd,
1054 struct v4l2_subdev_frame_interval *fi)
1056 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
1057 const struct mt9m111_mode_info *mode;
1058 struct v4l2_fract *fract = &fi->interval;
1061 if (mt9m111->is_streaming)
1067 if (fract->numerator == 0) {
1068 fract->denominator = 30;
1069 fract->numerator = 1;
1072 fps = DIV_ROUND_CLOSEST(fract->denominator, fract->numerator);
1074 /* Find best fitting mode. Do not update the mode if no one was found. */
1075 mode = mt9m111_find_mode(mt9m111, fps, mt9m111->width, mt9m111->height);
1079 if (mode->max_fps != fps) {
1080 fract->denominator = mode->max_fps;
1081 fract->numerator = 1;
1084 mt9m111->current_mode = mode;
1085 mt9m111->frame_interval = fi->interval;
1090 static int mt9m111_enum_mbus_code(struct v4l2_subdev *sd,
1091 struct v4l2_subdev_pad_config *cfg,
1092 struct v4l2_subdev_mbus_code_enum *code)
1094 if (code->pad || code->index >= ARRAY_SIZE(mt9m111_colour_fmts))
1097 code->code = mt9m111_colour_fmts[code->index].code;
1101 static int mt9m111_s_stream(struct v4l2_subdev *sd, int enable)
1103 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
1105 mt9m111->is_streaming = !!enable;
1109 static int mt9m111_init_cfg(struct v4l2_subdev *sd,
1110 struct v4l2_subdev_pad_config *cfg)
1112 #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
1113 struct v4l2_mbus_framefmt *format =
1114 v4l2_subdev_get_try_format(sd, cfg, 0);
1116 format->width = MT9M111_MAX_WIDTH;
1117 format->height = MT9M111_MAX_HEIGHT;
1118 format->code = mt9m111_colour_fmts[0].code;
1119 format->colorspace = mt9m111_colour_fmts[0].colorspace;
1120 format->field = V4L2_FIELD_NONE;
1121 format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1122 format->quantization = V4L2_QUANTIZATION_DEFAULT;
1123 format->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1128 static int mt9m111_g_mbus_config(struct v4l2_subdev *sd,
1129 struct v4l2_mbus_config *cfg)
1131 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
1133 cfg->flags = V4L2_MBUS_MASTER |
1134 V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
1135 V4L2_MBUS_DATA_ACTIVE_HIGH;
1137 cfg->flags |= mt9m111->pclk_sample ? V4L2_MBUS_PCLK_SAMPLE_RISING :
1138 V4L2_MBUS_PCLK_SAMPLE_FALLING;
1140 cfg->type = V4L2_MBUS_PARALLEL;
1145 static const struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
1146 .g_mbus_config = mt9m111_g_mbus_config,
1147 .s_stream = mt9m111_s_stream,
1148 .g_frame_interval = mt9m111_g_frame_interval,
1149 .s_frame_interval = mt9m111_s_frame_interval,
1152 static const struct v4l2_subdev_pad_ops mt9m111_subdev_pad_ops = {
1153 .init_cfg = mt9m111_init_cfg,
1154 .enum_mbus_code = mt9m111_enum_mbus_code,
1155 .get_selection = mt9m111_get_selection,
1156 .set_selection = mt9m111_set_selection,
1157 .get_fmt = mt9m111_get_fmt,
1158 .set_fmt = mt9m111_set_fmt,
1161 static const struct v4l2_subdev_ops mt9m111_subdev_ops = {
1162 .core = &mt9m111_subdev_core_ops,
1163 .video = &mt9m111_subdev_video_ops,
1164 .pad = &mt9m111_subdev_pad_ops,
1168 * Interface active, can use i2c. If it fails, it can indeed mean, that
1169 * this wasn't our capture interface, so, we wait for the right one
1171 static int mt9m111_video_probe(struct i2c_client *client)
1173 struct mt9m111 *mt9m111 = to_mt9m111(client);
1177 ret = mt9m111_s_power(&mt9m111->subdev, 1);
1181 data = reg_read(CHIP_VERSION);
1184 case 0x143a: /* MT9M111 or MT9M131 */
1185 dev_info(&client->dev,
1186 "Detected a MT9M111/MT9M131 chip ID %x\n", data);
1188 case 0x148c: /* MT9M112 */
1189 dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data);
1192 dev_err(&client->dev,
1193 "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n",
1199 ret = mt9m111_init(mt9m111);
1203 ret = v4l2_ctrl_handler_setup(&mt9m111->hdl);
1206 mt9m111_s_power(&mt9m111->subdev, 0);
1210 static int mt9m111_probe_fw(struct i2c_client *client, struct mt9m111 *mt9m111)
1212 struct v4l2_fwnode_endpoint bus_cfg = {
1213 .bus_type = V4L2_MBUS_PARALLEL
1215 struct fwnode_handle *np;
1218 np = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL);
1222 ret = v4l2_fwnode_endpoint_parse(np, &bus_cfg);
1226 mt9m111->pclk_sample = !!(bus_cfg.bus.parallel.flags &
1227 V4L2_MBUS_PCLK_SAMPLE_RISING);
1230 fwnode_handle_put(np);
1234 static int mt9m111_probe(struct i2c_client *client,
1235 const struct i2c_device_id *did)
1237 struct mt9m111 *mt9m111;
1238 struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
1241 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
1242 dev_warn(&adapter->dev,
1243 "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
1247 mt9m111 = devm_kzalloc(&client->dev, sizeof(struct mt9m111), GFP_KERNEL);
1251 ret = mt9m111_probe_fw(client, mt9m111);
1255 mt9m111->clk = v4l2_clk_get(&client->dev, "mclk");
1256 if (IS_ERR(mt9m111->clk))
1257 return PTR_ERR(mt9m111->clk);
1259 /* Default HIGHPOWER context */
1260 mt9m111->ctx = &context_b;
1262 v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops);
1263 mt9m111->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
1264 V4L2_SUBDEV_FL_HAS_EVENTS;
1266 v4l2_ctrl_handler_init(&mt9m111->hdl, 7);
1267 v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
1268 V4L2_CID_VFLIP, 0, 1, 1, 0);
1269 v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
1270 V4L2_CID_HFLIP, 0, 1, 1, 0);
1271 v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
1272 V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
1273 mt9m111->gain = v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
1274 V4L2_CID_GAIN, 0, 63 * 2 * 2, 1, 32);
1275 v4l2_ctrl_new_std_menu(&mt9m111->hdl,
1276 &mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0,
1277 V4L2_EXPOSURE_AUTO);
1278 v4l2_ctrl_new_std_menu_items(&mt9m111->hdl,
1279 &mt9m111_ctrl_ops, V4L2_CID_TEST_PATTERN,
1280 ARRAY_SIZE(mt9m111_test_pattern_menu) - 1, 0, 0,
1281 mt9m111_test_pattern_menu);
1282 v4l2_ctrl_new_std_menu(&mt9m111->hdl, &mt9m111_ctrl_ops,
1283 V4L2_CID_COLORFX, V4L2_COLORFX_SOLARIZATION,
1284 ~(BIT(V4L2_COLORFX_NONE) |
1285 BIT(V4L2_COLORFX_BW) |
1286 BIT(V4L2_COLORFX_SEPIA) |
1287 BIT(V4L2_COLORFX_NEGATIVE) |
1288 BIT(V4L2_COLORFX_SOLARIZATION)),
1290 mt9m111->subdev.ctrl_handler = &mt9m111->hdl;
1291 if (mt9m111->hdl.error) {
1292 ret = mt9m111->hdl.error;
1296 #ifdef CONFIG_MEDIA_CONTROLLER
1297 mt9m111->pad.flags = MEDIA_PAD_FL_SOURCE;
1298 mt9m111->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
1299 ret = media_entity_pads_init(&mt9m111->subdev.entity, 1, &mt9m111->pad);
1304 mt9m111->current_mode = &mt9m111_mode_data[MT9M111_MODE_SXGA_15FPS];
1305 mt9m111->frame_interval.numerator = 1;
1306 mt9m111->frame_interval.denominator = mt9m111->current_mode->max_fps;
1308 /* Second stage probe - when a capture adapter is there */
1309 mt9m111->rect.left = MT9M111_MIN_DARK_COLS;
1310 mt9m111->rect.top = MT9M111_MIN_DARK_ROWS;
1311 mt9m111->rect.width = MT9M111_MAX_WIDTH;
1312 mt9m111->rect.height = MT9M111_MAX_HEIGHT;
1313 mt9m111->width = mt9m111->rect.width;
1314 mt9m111->height = mt9m111->rect.height;
1315 mt9m111->fmt = &mt9m111_colour_fmts[0];
1316 mt9m111->lastpage = -1;
1317 mutex_init(&mt9m111->power_lock);
1319 ret = mt9m111_video_probe(client);
1321 goto out_entityclean;
1323 mt9m111->subdev.dev = &client->dev;
1324 ret = v4l2_async_register_subdev(&mt9m111->subdev);
1326 goto out_entityclean;
1331 #ifdef CONFIG_MEDIA_CONTROLLER
1332 media_entity_cleanup(&mt9m111->subdev.entity);
1335 v4l2_ctrl_handler_free(&mt9m111->hdl);
1337 v4l2_clk_put(mt9m111->clk);
1342 static int mt9m111_remove(struct i2c_client *client)
1344 struct mt9m111 *mt9m111 = to_mt9m111(client);
1346 v4l2_async_unregister_subdev(&mt9m111->subdev);
1347 media_entity_cleanup(&mt9m111->subdev.entity);
1348 v4l2_clk_put(mt9m111->clk);
1349 v4l2_ctrl_handler_free(&mt9m111->hdl);
1353 static const struct of_device_id mt9m111_of_match[] = {
1354 { .compatible = "micron,mt9m111", },
1357 MODULE_DEVICE_TABLE(of, mt9m111_of_match);
1359 static const struct i2c_device_id mt9m111_id[] = {
1363 MODULE_DEVICE_TABLE(i2c, mt9m111_id);
1365 static struct i2c_driver mt9m111_i2c_driver = {
1368 .of_match_table = of_match_ptr(mt9m111_of_match),
1370 .probe = mt9m111_probe,
1371 .remove = mt9m111_remove,
1372 .id_table = mt9m111_id,
1375 module_i2c_driver(mt9m111_i2c_driver);
1377 MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver");
1378 MODULE_AUTHOR("Robert Jarzmik");
1379 MODULE_LICENSE("GPL");