Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for MT9V032 CMOS Image Sensor from Micron |
| 3 | * |
| 4 | * Copyright (C) 2010, Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 5 | * |
| 6 | * Based on the MT9M001 driver, |
| 7 | * |
| 8 | * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/delay.h> |
| 16 | #include <linux/i2c.h> |
| 17 | #include <linux/log2.h> |
| 18 | #include <linux/mutex.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <linux/videodev2.h> |
| 21 | #include <linux/v4l2-mediabus.h> |
Paul Gortmaker | 7a707b8 | 2011-07-03 14:03:12 -0400 | [diff] [blame] | 22 | #include <linux/module.h> |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 23 | |
| 24 | #include <media/mt9v032.h> |
| 25 | #include <media/v4l2-ctrls.h> |
| 26 | #include <media/v4l2-device.h> |
| 27 | #include <media/v4l2-subdev.h> |
| 28 | |
| 29 | #define MT9V032_PIXEL_ARRAY_HEIGHT 492 |
| 30 | #define MT9V032_PIXEL_ARRAY_WIDTH 782 |
| 31 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 32 | #define MT9V032_SYSCLK_FREQ_DEF 26600000 |
| 33 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 34 | #define MT9V032_CHIP_VERSION 0x00 |
| 35 | #define MT9V032_CHIP_ID_REV1 0x1311 |
| 36 | #define MT9V032_CHIP_ID_REV3 0x1313 |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 37 | #define MT9V032_COLUMN_START 0x01 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 38 | #define MT9V032_COLUMN_START_MIN 1 |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 39 | #define MT9V032_COLUMN_START_DEF 1 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 40 | #define MT9V032_COLUMN_START_MAX 752 |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 41 | #define MT9V032_ROW_START 0x02 |
| 42 | #define MT9V032_ROW_START_MIN 4 |
| 43 | #define MT9V032_ROW_START_DEF 5 |
| 44 | #define MT9V032_ROW_START_MAX 482 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 45 | #define MT9V032_WINDOW_HEIGHT 0x03 |
| 46 | #define MT9V032_WINDOW_HEIGHT_MIN 1 |
| 47 | #define MT9V032_WINDOW_HEIGHT_DEF 480 |
| 48 | #define MT9V032_WINDOW_HEIGHT_MAX 480 |
| 49 | #define MT9V032_WINDOW_WIDTH 0x04 |
| 50 | #define MT9V032_WINDOW_WIDTH_MIN 1 |
| 51 | #define MT9V032_WINDOW_WIDTH_DEF 752 |
| 52 | #define MT9V032_WINDOW_WIDTH_MAX 752 |
| 53 | #define MT9V032_HORIZONTAL_BLANKING 0x05 |
| 54 | #define MT9V032_HORIZONTAL_BLANKING_MIN 43 |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 55 | #define MT9V032_HORIZONTAL_BLANKING_DEF 94 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 56 | #define MT9V032_HORIZONTAL_BLANKING_MAX 1023 |
| 57 | #define MT9V032_VERTICAL_BLANKING 0x06 |
| 58 | #define MT9V032_VERTICAL_BLANKING_MIN 4 |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 59 | #define MT9V032_VERTICAL_BLANKING_DEF 45 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 60 | #define MT9V032_VERTICAL_BLANKING_MAX 3000 |
| 61 | #define MT9V032_CHIP_CONTROL 0x07 |
| 62 | #define MT9V032_CHIP_CONTROL_MASTER_MODE (1 << 3) |
| 63 | #define MT9V032_CHIP_CONTROL_DOUT_ENABLE (1 << 7) |
| 64 | #define MT9V032_CHIP_CONTROL_SEQUENTIAL (1 << 8) |
| 65 | #define MT9V032_SHUTTER_WIDTH1 0x08 |
| 66 | #define MT9V032_SHUTTER_WIDTH2 0x09 |
| 67 | #define MT9V032_SHUTTER_WIDTH_CONTROL 0x0a |
| 68 | #define MT9V032_TOTAL_SHUTTER_WIDTH 0x0b |
| 69 | #define MT9V032_TOTAL_SHUTTER_WIDTH_MIN 1 |
| 70 | #define MT9V032_TOTAL_SHUTTER_WIDTH_DEF 480 |
| 71 | #define MT9V032_TOTAL_SHUTTER_WIDTH_MAX 32767 |
| 72 | #define MT9V032_RESET 0x0c |
| 73 | #define MT9V032_READ_MODE 0x0d |
| 74 | #define MT9V032_READ_MODE_ROW_BIN_MASK (3 << 0) |
| 75 | #define MT9V032_READ_MODE_ROW_BIN_SHIFT 0 |
| 76 | #define MT9V032_READ_MODE_COLUMN_BIN_MASK (3 << 2) |
| 77 | #define MT9V032_READ_MODE_COLUMN_BIN_SHIFT 2 |
| 78 | #define MT9V032_READ_MODE_ROW_FLIP (1 << 4) |
| 79 | #define MT9V032_READ_MODE_COLUMN_FLIP (1 << 5) |
| 80 | #define MT9V032_READ_MODE_DARK_COLUMNS (1 << 6) |
| 81 | #define MT9V032_READ_MODE_DARK_ROWS (1 << 7) |
| 82 | #define MT9V032_PIXEL_OPERATION_MODE 0x0f |
| 83 | #define MT9V032_PIXEL_OPERATION_MODE_COLOR (1 << 2) |
| 84 | #define MT9V032_PIXEL_OPERATION_MODE_HDR (1 << 6) |
| 85 | #define MT9V032_ANALOG_GAIN 0x35 |
| 86 | #define MT9V032_ANALOG_GAIN_MIN 16 |
| 87 | #define MT9V032_ANALOG_GAIN_DEF 16 |
| 88 | #define MT9V032_ANALOG_GAIN_MAX 64 |
| 89 | #define MT9V032_MAX_ANALOG_GAIN 0x36 |
| 90 | #define MT9V032_MAX_ANALOG_GAIN_MAX 127 |
| 91 | #define MT9V032_FRAME_DARK_AVERAGE 0x42 |
| 92 | #define MT9V032_DARK_AVG_THRESH 0x46 |
| 93 | #define MT9V032_DARK_AVG_LOW_THRESH_MASK (255 << 0) |
| 94 | #define MT9V032_DARK_AVG_LOW_THRESH_SHIFT 0 |
| 95 | #define MT9V032_DARK_AVG_HIGH_THRESH_MASK (255 << 8) |
| 96 | #define MT9V032_DARK_AVG_HIGH_THRESH_SHIFT 8 |
| 97 | #define MT9V032_ROW_NOISE_CORR_CONTROL 0x70 |
| 98 | #define MT9V032_ROW_NOISE_CORR_ENABLE (1 << 5) |
| 99 | #define MT9V032_ROW_NOISE_CORR_USE_BLK_AVG (1 << 7) |
| 100 | #define MT9V032_PIXEL_CLOCK 0x74 |
| 101 | #define MT9V032_PIXEL_CLOCK_INV_LINE (1 << 0) |
| 102 | #define MT9V032_PIXEL_CLOCK_INV_FRAME (1 << 1) |
| 103 | #define MT9V032_PIXEL_CLOCK_XOR_LINE (1 << 2) |
| 104 | #define MT9V032_PIXEL_CLOCK_CONT_LINE (1 << 3) |
| 105 | #define MT9V032_PIXEL_CLOCK_INV_PXL_CLK (1 << 4) |
| 106 | #define MT9V032_TEST_PATTERN 0x7f |
| 107 | #define MT9V032_TEST_PATTERN_DATA_MASK (1023 << 0) |
| 108 | #define MT9V032_TEST_PATTERN_DATA_SHIFT 0 |
| 109 | #define MT9V032_TEST_PATTERN_USE_DATA (1 << 10) |
| 110 | #define MT9V032_TEST_PATTERN_GRAY_MASK (3 << 11) |
| 111 | #define MT9V032_TEST_PATTERN_GRAY_NONE (0 << 11) |
| 112 | #define MT9V032_TEST_PATTERN_GRAY_VERTICAL (1 << 11) |
| 113 | #define MT9V032_TEST_PATTERN_GRAY_HORIZONTAL (2 << 11) |
| 114 | #define MT9V032_TEST_PATTERN_GRAY_DIAGONAL (3 << 11) |
| 115 | #define MT9V032_TEST_PATTERN_ENABLE (1 << 13) |
| 116 | #define MT9V032_TEST_PATTERN_FLIP (1 << 14) |
| 117 | #define MT9V032_AEC_AGC_ENABLE 0xaf |
| 118 | #define MT9V032_AEC_ENABLE (1 << 0) |
| 119 | #define MT9V032_AGC_ENABLE (1 << 1) |
| 120 | #define MT9V032_THERMAL_INFO 0xc1 |
| 121 | |
| 122 | struct mt9v032 { |
| 123 | struct v4l2_subdev subdev; |
| 124 | struct media_pad pad; |
| 125 | |
| 126 | struct v4l2_mbus_framefmt format; |
| 127 | struct v4l2_rect crop; |
| 128 | |
| 129 | struct v4l2_ctrl_handler ctrls; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 130 | struct { |
| 131 | struct v4l2_ctrl *link_freq; |
| 132 | struct v4l2_ctrl *pixel_rate; |
| 133 | }; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 134 | |
| 135 | struct mutex power_lock; |
| 136 | int power_count; |
| 137 | |
| 138 | struct mt9v032_platform_data *pdata; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 139 | |
| 140 | u32 sysclk; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 141 | u16 chip_control; |
| 142 | u16 aec_agc; |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 143 | u16 hblank; |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 144 | struct { |
| 145 | struct v4l2_ctrl *test_pattern; |
| 146 | struct v4l2_ctrl *test_pattern_color; |
| 147 | }; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 148 | }; |
| 149 | |
| 150 | static struct mt9v032 *to_mt9v032(struct v4l2_subdev *sd) |
| 151 | { |
| 152 | return container_of(sd, struct mt9v032, subdev); |
| 153 | } |
| 154 | |
| 155 | static int mt9v032_read(struct i2c_client *client, const u8 reg) |
| 156 | { |
Jonathan Cameron | 3f87704 | 2011-10-21 09:30:25 -0300 | [diff] [blame] | 157 | s32 data = i2c_smbus_read_word_swapped(client, reg); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 158 | dev_dbg(&client->dev, "%s: read 0x%04x from 0x%02x\n", __func__, |
Jonathan Cameron | 3f87704 | 2011-10-21 09:30:25 -0300 | [diff] [blame] | 159 | data, reg); |
| 160 | return data; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | static int mt9v032_write(struct i2c_client *client, const u8 reg, |
| 164 | const u16 data) |
| 165 | { |
| 166 | dev_dbg(&client->dev, "%s: writing 0x%04x to 0x%02x\n", __func__, |
| 167 | data, reg); |
Jonathan Cameron | 3f87704 | 2011-10-21 09:30:25 -0300 | [diff] [blame] | 168 | return i2c_smbus_write_word_swapped(client, reg, data); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | static int mt9v032_set_chip_control(struct mt9v032 *mt9v032, u16 clear, u16 set) |
| 172 | { |
| 173 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 174 | u16 value = (mt9v032->chip_control & ~clear) | set; |
| 175 | int ret; |
| 176 | |
| 177 | ret = mt9v032_write(client, MT9V032_CHIP_CONTROL, value); |
| 178 | if (ret < 0) |
| 179 | return ret; |
| 180 | |
| 181 | mt9v032->chip_control = value; |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | static int |
| 186 | mt9v032_update_aec_agc(struct mt9v032 *mt9v032, u16 which, int enable) |
| 187 | { |
| 188 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 189 | u16 value = mt9v032->aec_agc; |
| 190 | int ret; |
| 191 | |
| 192 | if (enable) |
| 193 | value |= which; |
| 194 | else |
| 195 | value &= ~which; |
| 196 | |
| 197 | ret = mt9v032_write(client, MT9V032_AEC_AGC_ENABLE, value); |
| 198 | if (ret < 0) |
| 199 | return ret; |
| 200 | |
| 201 | mt9v032->aec_agc = value; |
| 202 | return 0; |
| 203 | } |
| 204 | |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 205 | static int |
| 206 | mt9v032_update_hblank(struct mt9v032 *mt9v032) |
| 207 | { |
| 208 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 209 | struct v4l2_rect *crop = &mt9v032->crop; |
| 210 | |
| 211 | return mt9v032_write(client, MT9V032_HORIZONTAL_BLANKING, |
| 212 | max_t(s32, mt9v032->hblank, 660 - crop->width)); |
| 213 | } |
| 214 | |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 215 | #define EXT_CLK 25000000 |
| 216 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 217 | static int mt9v032_power_on(struct mt9v032 *mt9v032) |
| 218 | { |
| 219 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 220 | int ret; |
| 221 | |
| 222 | if (mt9v032->pdata->set_clock) { |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 223 | mt9v032->pdata->set_clock(&mt9v032->subdev, mt9v032->sysclk); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 224 | udelay(1); |
| 225 | } |
| 226 | |
| 227 | /* Reset the chip and stop data read out */ |
| 228 | ret = mt9v032_write(client, MT9V032_RESET, 1); |
| 229 | if (ret < 0) |
| 230 | return ret; |
| 231 | |
| 232 | ret = mt9v032_write(client, MT9V032_RESET, 0); |
| 233 | if (ret < 0) |
| 234 | return ret; |
| 235 | |
| 236 | return mt9v032_write(client, MT9V032_CHIP_CONTROL, 0); |
| 237 | } |
| 238 | |
| 239 | static void mt9v032_power_off(struct mt9v032 *mt9v032) |
| 240 | { |
| 241 | if (mt9v032->pdata->set_clock) |
| 242 | mt9v032->pdata->set_clock(&mt9v032->subdev, 0); |
| 243 | } |
| 244 | |
| 245 | static int __mt9v032_set_power(struct mt9v032 *mt9v032, bool on) |
| 246 | { |
| 247 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 248 | int ret; |
| 249 | |
| 250 | if (!on) { |
| 251 | mt9v032_power_off(mt9v032); |
| 252 | return 0; |
| 253 | } |
| 254 | |
| 255 | ret = mt9v032_power_on(mt9v032); |
| 256 | if (ret < 0) |
| 257 | return ret; |
| 258 | |
| 259 | /* Configure the pixel clock polarity */ |
| 260 | if (mt9v032->pdata && mt9v032->pdata->clk_pol) { |
| 261 | ret = mt9v032_write(client, MT9V032_PIXEL_CLOCK, |
| 262 | MT9V032_PIXEL_CLOCK_INV_PXL_CLK); |
| 263 | if (ret < 0) |
| 264 | return ret; |
| 265 | } |
| 266 | |
| 267 | /* Disable the noise correction algorithm and restore the controls. */ |
| 268 | ret = mt9v032_write(client, MT9V032_ROW_NOISE_CORR_CONTROL, 0); |
| 269 | if (ret < 0) |
| 270 | return ret; |
| 271 | |
| 272 | return v4l2_ctrl_handler_setup(&mt9v032->ctrls); |
| 273 | } |
| 274 | |
| 275 | /* ----------------------------------------------------------------------------- |
| 276 | * V4L2 subdev video operations |
| 277 | */ |
| 278 | |
| 279 | static struct v4l2_mbus_framefmt * |
| 280 | __mt9v032_get_pad_format(struct mt9v032 *mt9v032, struct v4l2_subdev_fh *fh, |
| 281 | unsigned int pad, enum v4l2_subdev_format_whence which) |
| 282 | { |
| 283 | switch (which) { |
| 284 | case V4L2_SUBDEV_FORMAT_TRY: |
| 285 | return v4l2_subdev_get_try_format(fh, pad); |
| 286 | case V4L2_SUBDEV_FORMAT_ACTIVE: |
| 287 | return &mt9v032->format; |
| 288 | default: |
| 289 | return NULL; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | static struct v4l2_rect * |
| 294 | __mt9v032_get_pad_crop(struct mt9v032 *mt9v032, struct v4l2_subdev_fh *fh, |
| 295 | unsigned int pad, enum v4l2_subdev_format_whence which) |
| 296 | { |
| 297 | switch (which) { |
| 298 | case V4L2_SUBDEV_FORMAT_TRY: |
| 299 | return v4l2_subdev_get_try_crop(fh, pad); |
| 300 | case V4L2_SUBDEV_FORMAT_ACTIVE: |
| 301 | return &mt9v032->crop; |
| 302 | default: |
| 303 | return NULL; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | static int mt9v032_s_stream(struct v4l2_subdev *subdev, int enable) |
| 308 | { |
| 309 | const u16 mode = MT9V032_CHIP_CONTROL_MASTER_MODE |
| 310 | | MT9V032_CHIP_CONTROL_DOUT_ENABLE |
| 311 | | MT9V032_CHIP_CONTROL_SEQUENTIAL; |
| 312 | struct i2c_client *client = v4l2_get_subdevdata(subdev); |
| 313 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 314 | struct v4l2_mbus_framefmt *format = &mt9v032->format; |
| 315 | struct v4l2_rect *crop = &mt9v032->crop; |
| 316 | unsigned int hratio; |
| 317 | unsigned int vratio; |
| 318 | int ret; |
| 319 | |
| 320 | if (!enable) |
| 321 | return mt9v032_set_chip_control(mt9v032, mode, 0); |
| 322 | |
| 323 | /* Configure the window size and row/column bin */ |
| 324 | hratio = DIV_ROUND_CLOSEST(crop->width, format->width); |
| 325 | vratio = DIV_ROUND_CLOSEST(crop->height, format->height); |
| 326 | |
| 327 | ret = mt9v032_write(client, MT9V032_READ_MODE, |
| 328 | (hratio - 1) << MT9V032_READ_MODE_ROW_BIN_SHIFT | |
| 329 | (vratio - 1) << MT9V032_READ_MODE_COLUMN_BIN_SHIFT); |
| 330 | if (ret < 0) |
| 331 | return ret; |
| 332 | |
| 333 | ret = mt9v032_write(client, MT9V032_COLUMN_START, crop->left); |
| 334 | if (ret < 0) |
| 335 | return ret; |
| 336 | |
| 337 | ret = mt9v032_write(client, MT9V032_ROW_START, crop->top); |
| 338 | if (ret < 0) |
| 339 | return ret; |
| 340 | |
| 341 | ret = mt9v032_write(client, MT9V032_WINDOW_WIDTH, crop->width); |
| 342 | if (ret < 0) |
| 343 | return ret; |
| 344 | |
| 345 | ret = mt9v032_write(client, MT9V032_WINDOW_HEIGHT, crop->height); |
| 346 | if (ret < 0) |
| 347 | return ret; |
| 348 | |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 349 | ret = mt9v032_update_hblank(mt9v032); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 350 | if (ret < 0) |
| 351 | return ret; |
| 352 | |
| 353 | /* Switch to master "normal" mode */ |
| 354 | return mt9v032_set_chip_control(mt9v032, 0, mode); |
| 355 | } |
| 356 | |
| 357 | static int mt9v032_enum_mbus_code(struct v4l2_subdev *subdev, |
| 358 | struct v4l2_subdev_fh *fh, |
| 359 | struct v4l2_subdev_mbus_code_enum *code) |
| 360 | { |
| 361 | if (code->index > 0) |
| 362 | return -EINVAL; |
| 363 | |
| 364 | code->code = V4L2_MBUS_FMT_SGRBG10_1X10; |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | static int mt9v032_enum_frame_size(struct v4l2_subdev *subdev, |
| 369 | struct v4l2_subdev_fh *fh, |
| 370 | struct v4l2_subdev_frame_size_enum *fse) |
| 371 | { |
| 372 | if (fse->index >= 8 || fse->code != V4L2_MBUS_FMT_SGRBG10_1X10) |
| 373 | return -EINVAL; |
| 374 | |
| 375 | fse->min_width = MT9V032_WINDOW_WIDTH_DEF / fse->index; |
| 376 | fse->max_width = fse->min_width; |
| 377 | fse->min_height = MT9V032_WINDOW_HEIGHT_DEF / fse->index; |
| 378 | fse->max_height = fse->min_height; |
| 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | static int mt9v032_get_format(struct v4l2_subdev *subdev, |
| 384 | struct v4l2_subdev_fh *fh, |
| 385 | struct v4l2_subdev_format *format) |
| 386 | { |
| 387 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 388 | |
| 389 | format->format = *__mt9v032_get_pad_format(mt9v032, fh, format->pad, |
| 390 | format->which); |
| 391 | return 0; |
| 392 | } |
| 393 | |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 394 | static void mt9v032_configure_pixel_rate(struct mt9v032 *mt9v032, |
| 395 | unsigned int hratio) |
| 396 | { |
| 397 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 398 | int ret; |
| 399 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 400 | ret = v4l2_ctrl_s_ctrl_int64(mt9v032->pixel_rate, |
| 401 | mt9v032->sysclk / hratio); |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 402 | if (ret < 0) |
| 403 | dev_warn(&client->dev, "failed to set pixel rate (%d)\n", ret); |
| 404 | } |
| 405 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 406 | static int mt9v032_set_format(struct v4l2_subdev *subdev, |
| 407 | struct v4l2_subdev_fh *fh, |
| 408 | struct v4l2_subdev_format *format) |
| 409 | { |
| 410 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 411 | struct v4l2_mbus_framefmt *__format; |
| 412 | struct v4l2_rect *__crop; |
| 413 | unsigned int width; |
| 414 | unsigned int height; |
| 415 | unsigned int hratio; |
| 416 | unsigned int vratio; |
| 417 | |
| 418 | __crop = __mt9v032_get_pad_crop(mt9v032, fh, format->pad, |
| 419 | format->which); |
| 420 | |
| 421 | /* Clamp the width and height to avoid dividing by zero. */ |
| 422 | width = clamp_t(unsigned int, ALIGN(format->format.width, 2), |
| 423 | max(__crop->width / 8, MT9V032_WINDOW_WIDTH_MIN), |
| 424 | __crop->width); |
| 425 | height = clamp_t(unsigned int, ALIGN(format->format.height, 2), |
| 426 | max(__crop->height / 8, MT9V032_WINDOW_HEIGHT_MIN), |
| 427 | __crop->height); |
| 428 | |
| 429 | hratio = DIV_ROUND_CLOSEST(__crop->width, width); |
| 430 | vratio = DIV_ROUND_CLOSEST(__crop->height, height); |
| 431 | |
| 432 | __format = __mt9v032_get_pad_format(mt9v032, fh, format->pad, |
| 433 | format->which); |
| 434 | __format->width = __crop->width / hratio; |
| 435 | __format->height = __crop->height / vratio; |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 436 | if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) |
| 437 | mt9v032_configure_pixel_rate(mt9v032, hratio); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 438 | |
| 439 | format->format = *__format; |
| 440 | |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | static int mt9v032_get_crop(struct v4l2_subdev *subdev, |
| 445 | struct v4l2_subdev_fh *fh, |
| 446 | struct v4l2_subdev_crop *crop) |
| 447 | { |
| 448 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 449 | |
| 450 | crop->rect = *__mt9v032_get_pad_crop(mt9v032, fh, crop->pad, |
| 451 | crop->which); |
| 452 | return 0; |
| 453 | } |
| 454 | |
| 455 | static int mt9v032_set_crop(struct v4l2_subdev *subdev, |
| 456 | struct v4l2_subdev_fh *fh, |
| 457 | struct v4l2_subdev_crop *crop) |
| 458 | { |
| 459 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 460 | struct v4l2_mbus_framefmt *__format; |
| 461 | struct v4l2_rect *__crop; |
| 462 | struct v4l2_rect rect; |
| 463 | |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 464 | /* Clamp the crop rectangle boundaries and align them to a non multiple |
| 465 | * of 2 pixels to ensure a GRBG Bayer pattern. |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 466 | */ |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 467 | rect.left = clamp(ALIGN(crop->rect.left + 1, 2) - 1, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 468 | MT9V032_COLUMN_START_MIN, |
| 469 | MT9V032_COLUMN_START_MAX); |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 470 | rect.top = clamp(ALIGN(crop->rect.top + 1, 2) - 1, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 471 | MT9V032_ROW_START_MIN, |
| 472 | MT9V032_ROW_START_MAX); |
| 473 | rect.width = clamp(ALIGN(crop->rect.width, 2), |
| 474 | MT9V032_WINDOW_WIDTH_MIN, |
| 475 | MT9V032_WINDOW_WIDTH_MAX); |
| 476 | rect.height = clamp(ALIGN(crop->rect.height, 2), |
| 477 | MT9V032_WINDOW_HEIGHT_MIN, |
| 478 | MT9V032_WINDOW_HEIGHT_MAX); |
| 479 | |
| 480 | rect.width = min(rect.width, MT9V032_PIXEL_ARRAY_WIDTH - rect.left); |
| 481 | rect.height = min(rect.height, MT9V032_PIXEL_ARRAY_HEIGHT - rect.top); |
| 482 | |
| 483 | __crop = __mt9v032_get_pad_crop(mt9v032, fh, crop->pad, crop->which); |
| 484 | |
| 485 | if (rect.width != __crop->width || rect.height != __crop->height) { |
| 486 | /* Reset the output image size if the crop rectangle size has |
| 487 | * been modified. |
| 488 | */ |
| 489 | __format = __mt9v032_get_pad_format(mt9v032, fh, crop->pad, |
| 490 | crop->which); |
| 491 | __format->width = rect.width; |
| 492 | __format->height = rect.height; |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 493 | if (crop->which == V4L2_SUBDEV_FORMAT_ACTIVE) |
| 494 | mt9v032_configure_pixel_rate(mt9v032, 1); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | *__crop = rect; |
| 498 | crop->rect = rect; |
| 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | /* ----------------------------------------------------------------------------- |
| 504 | * V4L2 subdev control operations |
| 505 | */ |
| 506 | |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 507 | #define V4L2_CID_TEST_PATTERN_COLOR (V4L2_CID_USER_BASE | 0x1001) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 508 | |
| 509 | static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl) |
| 510 | { |
| 511 | struct mt9v032 *mt9v032 = |
| 512 | container_of(ctrl->handler, struct mt9v032, ctrls); |
| 513 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 514 | u32 freq; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 515 | u16 data; |
| 516 | |
| 517 | switch (ctrl->id) { |
| 518 | case V4L2_CID_AUTOGAIN: |
| 519 | return mt9v032_update_aec_agc(mt9v032, MT9V032_AGC_ENABLE, |
| 520 | ctrl->val); |
| 521 | |
| 522 | case V4L2_CID_GAIN: |
| 523 | return mt9v032_write(client, MT9V032_ANALOG_GAIN, ctrl->val); |
| 524 | |
| 525 | case V4L2_CID_EXPOSURE_AUTO: |
| 526 | return mt9v032_update_aec_agc(mt9v032, MT9V032_AEC_ENABLE, |
Kartik Mohta | 5c37598 | 2012-05-02 19:19:08 -0300 | [diff] [blame] | 527 | !ctrl->val); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 528 | |
| 529 | case V4L2_CID_EXPOSURE: |
| 530 | return mt9v032_write(client, MT9V032_TOTAL_SHUTTER_WIDTH, |
| 531 | ctrl->val); |
| 532 | |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 533 | case V4L2_CID_HBLANK: |
| 534 | mt9v032->hblank = ctrl->val; |
| 535 | return mt9v032_update_hblank(mt9v032); |
| 536 | |
| 537 | case V4L2_CID_VBLANK: |
| 538 | return mt9v032_write(client, MT9V032_VERTICAL_BLANKING, |
| 539 | ctrl->val); |
| 540 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 541 | case V4L2_CID_PIXEL_RATE: |
| 542 | case V4L2_CID_LINK_FREQ: |
| 543 | if (mt9v032->link_freq == NULL) |
| 544 | break; |
| 545 | |
| 546 | freq = mt9v032->pdata->link_freqs[mt9v032->link_freq->val]; |
| 547 | mt9v032->pixel_rate->val64 = freq; |
| 548 | mt9v032->sysclk = freq; |
| 549 | break; |
| 550 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 551 | case V4L2_CID_TEST_PATTERN: |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 552 | switch (mt9v032->test_pattern->val) { |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 553 | case 0: |
| 554 | data = 0; |
| 555 | break; |
| 556 | case 1: |
| 557 | data = MT9V032_TEST_PATTERN_GRAY_VERTICAL |
| 558 | | MT9V032_TEST_PATTERN_ENABLE; |
| 559 | break; |
| 560 | case 2: |
| 561 | data = MT9V032_TEST_PATTERN_GRAY_HORIZONTAL |
| 562 | | MT9V032_TEST_PATTERN_ENABLE; |
| 563 | break; |
| 564 | case 3: |
| 565 | data = MT9V032_TEST_PATTERN_GRAY_DIAGONAL |
| 566 | | MT9V032_TEST_PATTERN_ENABLE; |
| 567 | break; |
| 568 | default: |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 569 | data = (mt9v032->test_pattern_color->val << |
| 570 | MT9V032_TEST_PATTERN_DATA_SHIFT) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 571 | | MT9V032_TEST_PATTERN_USE_DATA |
| 572 | | MT9V032_TEST_PATTERN_ENABLE |
| 573 | | MT9V032_TEST_PATTERN_FLIP; |
| 574 | break; |
| 575 | } |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 576 | return mt9v032_write(client, MT9V032_TEST_PATTERN, data); |
| 577 | } |
| 578 | |
| 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | static struct v4l2_ctrl_ops mt9v032_ctrl_ops = { |
| 583 | .s_ctrl = mt9v032_s_ctrl, |
| 584 | }; |
| 585 | |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 586 | static const char * const mt9v032_test_pattern_menu[] = { |
| 587 | "Disabled", |
| 588 | "Gray Vertical Shade", |
| 589 | "Gray Horizontal Shade", |
| 590 | "Gray Diagonal Shade", |
| 591 | "Plain", |
| 592 | }; |
| 593 | |
| 594 | static const struct v4l2_ctrl_config mt9v032_test_pattern_color = { |
| 595 | .ops = &mt9v032_ctrl_ops, |
| 596 | .id = V4L2_CID_TEST_PATTERN_COLOR, |
| 597 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 598 | .name = "Test Pattern Color", |
| 599 | .min = 0, |
| 600 | .max = 1023, |
| 601 | .step = 1, |
| 602 | .def = 0, |
| 603 | .flags = 0, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 604 | }; |
| 605 | |
| 606 | /* ----------------------------------------------------------------------------- |
| 607 | * V4L2 subdev core operations |
| 608 | */ |
| 609 | |
| 610 | static int mt9v032_set_power(struct v4l2_subdev *subdev, int on) |
| 611 | { |
| 612 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 613 | int ret = 0; |
| 614 | |
| 615 | mutex_lock(&mt9v032->power_lock); |
| 616 | |
| 617 | /* If the power count is modified from 0 to != 0 or from != 0 to 0, |
| 618 | * update the power state. |
| 619 | */ |
| 620 | if (mt9v032->power_count == !on) { |
| 621 | ret = __mt9v032_set_power(mt9v032, !!on); |
| 622 | if (ret < 0) |
| 623 | goto done; |
| 624 | } |
| 625 | |
| 626 | /* Update the power count. */ |
| 627 | mt9v032->power_count += on ? 1 : -1; |
| 628 | WARN_ON(mt9v032->power_count < 0); |
| 629 | |
| 630 | done: |
| 631 | mutex_unlock(&mt9v032->power_lock); |
| 632 | return ret; |
| 633 | } |
| 634 | |
| 635 | /* ----------------------------------------------------------------------------- |
| 636 | * V4L2 subdev internal operations |
| 637 | */ |
| 638 | |
| 639 | static int mt9v032_registered(struct v4l2_subdev *subdev) |
| 640 | { |
| 641 | struct i2c_client *client = v4l2_get_subdevdata(subdev); |
| 642 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 643 | s32 data; |
| 644 | int ret; |
| 645 | |
| 646 | dev_info(&client->dev, "Probing MT9V032 at address 0x%02x\n", |
| 647 | client->addr); |
| 648 | |
| 649 | ret = mt9v032_power_on(mt9v032); |
| 650 | if (ret < 0) { |
| 651 | dev_err(&client->dev, "MT9V032 power up failed\n"); |
| 652 | return ret; |
| 653 | } |
| 654 | |
| 655 | /* Read and check the sensor version */ |
| 656 | data = mt9v032_read(client, MT9V032_CHIP_VERSION); |
| 657 | if (data != MT9V032_CHIP_ID_REV1 && data != MT9V032_CHIP_ID_REV3) { |
| 658 | dev_err(&client->dev, "MT9V032 not detected, wrong version " |
| 659 | "0x%04x\n", data); |
| 660 | return -ENODEV; |
| 661 | } |
| 662 | |
| 663 | mt9v032_power_off(mt9v032); |
| 664 | |
| 665 | dev_info(&client->dev, "MT9V032 detected at address 0x%02x\n", |
| 666 | client->addr); |
| 667 | |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 668 | mt9v032_configure_pixel_rate(mt9v032, 1); |
| 669 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 670 | return ret; |
| 671 | } |
| 672 | |
| 673 | static int mt9v032_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) |
| 674 | { |
| 675 | struct v4l2_mbus_framefmt *format; |
| 676 | struct v4l2_rect *crop; |
| 677 | |
| 678 | crop = v4l2_subdev_get_try_crop(fh, 0); |
| 679 | crop->left = MT9V032_COLUMN_START_DEF; |
| 680 | crop->top = MT9V032_ROW_START_DEF; |
| 681 | crop->width = MT9V032_WINDOW_WIDTH_DEF; |
| 682 | crop->height = MT9V032_WINDOW_HEIGHT_DEF; |
| 683 | |
| 684 | format = v4l2_subdev_get_try_format(fh, 0); |
| 685 | format->code = V4L2_MBUS_FMT_SGRBG10_1X10; |
| 686 | format->width = MT9V032_WINDOW_WIDTH_DEF; |
| 687 | format->height = MT9V032_WINDOW_HEIGHT_DEF; |
| 688 | format->field = V4L2_FIELD_NONE; |
| 689 | format->colorspace = V4L2_COLORSPACE_SRGB; |
| 690 | |
| 691 | return mt9v032_set_power(subdev, 1); |
| 692 | } |
| 693 | |
| 694 | static int mt9v032_close(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) |
| 695 | { |
| 696 | return mt9v032_set_power(subdev, 0); |
| 697 | } |
| 698 | |
| 699 | static struct v4l2_subdev_core_ops mt9v032_subdev_core_ops = { |
| 700 | .s_power = mt9v032_set_power, |
| 701 | }; |
| 702 | |
| 703 | static struct v4l2_subdev_video_ops mt9v032_subdev_video_ops = { |
| 704 | .s_stream = mt9v032_s_stream, |
| 705 | }; |
| 706 | |
| 707 | static struct v4l2_subdev_pad_ops mt9v032_subdev_pad_ops = { |
| 708 | .enum_mbus_code = mt9v032_enum_mbus_code, |
| 709 | .enum_frame_size = mt9v032_enum_frame_size, |
| 710 | .get_fmt = mt9v032_get_format, |
| 711 | .set_fmt = mt9v032_set_format, |
| 712 | .get_crop = mt9v032_get_crop, |
| 713 | .set_crop = mt9v032_set_crop, |
| 714 | }; |
| 715 | |
| 716 | static struct v4l2_subdev_ops mt9v032_subdev_ops = { |
| 717 | .core = &mt9v032_subdev_core_ops, |
| 718 | .video = &mt9v032_subdev_video_ops, |
| 719 | .pad = &mt9v032_subdev_pad_ops, |
| 720 | }; |
| 721 | |
| 722 | static const struct v4l2_subdev_internal_ops mt9v032_subdev_internal_ops = { |
| 723 | .registered = mt9v032_registered, |
| 724 | .open = mt9v032_open, |
| 725 | .close = mt9v032_close, |
| 726 | }; |
| 727 | |
| 728 | /* ----------------------------------------------------------------------------- |
| 729 | * Driver initialization and probing |
| 730 | */ |
| 731 | |
| 732 | static int mt9v032_probe(struct i2c_client *client, |
| 733 | const struct i2c_device_id *did) |
| 734 | { |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 735 | struct mt9v032_platform_data *pdata = client->dev.platform_data; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 736 | struct mt9v032 *mt9v032; |
| 737 | unsigned int i; |
| 738 | int ret; |
| 739 | |
| 740 | if (!i2c_check_functionality(client->adapter, |
| 741 | I2C_FUNC_SMBUS_WORD_DATA)) { |
| 742 | dev_warn(&client->adapter->dev, |
| 743 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); |
| 744 | return -EIO; |
| 745 | } |
| 746 | |
| 747 | mt9v032 = kzalloc(sizeof(*mt9v032), GFP_KERNEL); |
| 748 | if (!mt9v032) |
| 749 | return -ENOMEM; |
| 750 | |
| 751 | mutex_init(&mt9v032->power_lock); |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 752 | mt9v032->pdata = pdata; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 753 | |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 754 | v4l2_ctrl_handler_init(&mt9v032->ctrls, 10); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 755 | |
| 756 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 757 | V4L2_CID_AUTOGAIN, 0, 1, 1, 1); |
| 758 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 759 | V4L2_CID_GAIN, MT9V032_ANALOG_GAIN_MIN, |
| 760 | MT9V032_ANALOG_GAIN_MAX, 1, MT9V032_ANALOG_GAIN_DEF); |
| 761 | v4l2_ctrl_new_std_menu(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 762 | V4L2_CID_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL, 0, |
| 763 | V4L2_EXPOSURE_AUTO); |
| 764 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 765 | V4L2_CID_EXPOSURE, MT9V032_TOTAL_SHUTTER_WIDTH_MIN, |
| 766 | MT9V032_TOTAL_SHUTTER_WIDTH_MAX, 1, |
| 767 | MT9V032_TOTAL_SHUTTER_WIDTH_DEF); |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 768 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 769 | V4L2_CID_HBLANK, MT9V032_HORIZONTAL_BLANKING_MIN, |
| 770 | MT9V032_HORIZONTAL_BLANKING_MAX, 1, |
| 771 | MT9V032_HORIZONTAL_BLANKING_DEF); |
| 772 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 773 | V4L2_CID_VBLANK, MT9V032_VERTICAL_BLANKING_MIN, |
| 774 | MT9V032_VERTICAL_BLANKING_MAX, 1, |
| 775 | MT9V032_VERTICAL_BLANKING_DEF); |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame^] | 776 | mt9v032->test_pattern = v4l2_ctrl_new_std_menu_items(&mt9v032->ctrls, |
| 777 | &mt9v032_ctrl_ops, V4L2_CID_TEST_PATTERN, |
| 778 | ARRAY_SIZE(mt9v032_test_pattern_menu) - 1, 0, 0, |
| 779 | mt9v032_test_pattern_menu); |
| 780 | mt9v032->test_pattern_color = v4l2_ctrl_new_custom(&mt9v032->ctrls, |
| 781 | &mt9v032_test_pattern_color, NULL); |
| 782 | |
| 783 | v4l2_ctrl_cluster(2, &mt9v032->test_pattern); |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 784 | |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 785 | mt9v032->pixel_rate = |
| 786 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 787 | V4L2_CID_PIXEL_RATE, 0, 0, 1, 0); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 788 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 789 | if (pdata && pdata->link_freqs) { |
| 790 | unsigned int def = 0; |
| 791 | |
| 792 | for (i = 0; pdata->link_freqs[i]; ++i) { |
| 793 | if (pdata->link_freqs[i] == pdata->link_def_freq) |
| 794 | def = i; |
| 795 | } |
| 796 | |
| 797 | mt9v032->link_freq = |
| 798 | v4l2_ctrl_new_int_menu(&mt9v032->ctrls, |
| 799 | &mt9v032_ctrl_ops, |
| 800 | V4L2_CID_LINK_FREQ, i - 1, def, |
| 801 | pdata->link_freqs); |
| 802 | v4l2_ctrl_cluster(2, &mt9v032->link_freq); |
| 803 | } |
| 804 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 805 | |
| 806 | mt9v032->subdev.ctrl_handler = &mt9v032->ctrls; |
| 807 | |
| 808 | if (mt9v032->ctrls.error) |
| 809 | printk(KERN_INFO "%s: control initialization error %d\n", |
| 810 | __func__, mt9v032->ctrls.error); |
| 811 | |
| 812 | mt9v032->crop.left = MT9V032_COLUMN_START_DEF; |
| 813 | mt9v032->crop.top = MT9V032_ROW_START_DEF; |
| 814 | mt9v032->crop.width = MT9V032_WINDOW_WIDTH_DEF; |
| 815 | mt9v032->crop.height = MT9V032_WINDOW_HEIGHT_DEF; |
| 816 | |
| 817 | mt9v032->format.code = V4L2_MBUS_FMT_SGRBG10_1X10; |
| 818 | mt9v032->format.width = MT9V032_WINDOW_WIDTH_DEF; |
| 819 | mt9v032->format.height = MT9V032_WINDOW_HEIGHT_DEF; |
| 820 | mt9v032->format.field = V4L2_FIELD_NONE; |
| 821 | mt9v032->format.colorspace = V4L2_COLORSPACE_SRGB; |
| 822 | |
| 823 | mt9v032->aec_agc = MT9V032_AEC_ENABLE | MT9V032_AGC_ENABLE; |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 824 | mt9v032->hblank = MT9V032_HORIZONTAL_BLANKING_DEF; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 825 | mt9v032->sysclk = MT9V032_SYSCLK_FREQ_DEF; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 826 | |
| 827 | v4l2_i2c_subdev_init(&mt9v032->subdev, client, &mt9v032_subdev_ops); |
| 828 | mt9v032->subdev.internal_ops = &mt9v032_subdev_internal_ops; |
| 829 | mt9v032->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 830 | |
| 831 | mt9v032->pad.flags = MEDIA_PAD_FL_SOURCE; |
| 832 | ret = media_entity_init(&mt9v032->subdev.entity, 1, &mt9v032->pad, 0); |
| 833 | if (ret < 0) |
| 834 | kfree(mt9v032); |
| 835 | |
| 836 | return ret; |
| 837 | } |
| 838 | |
| 839 | static int mt9v032_remove(struct i2c_client *client) |
| 840 | { |
| 841 | struct v4l2_subdev *subdev = i2c_get_clientdata(client); |
| 842 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 843 | |
| 844 | v4l2_device_unregister_subdev(subdev); |
| 845 | media_entity_cleanup(&subdev->entity); |
| 846 | kfree(mt9v032); |
| 847 | return 0; |
| 848 | } |
| 849 | |
| 850 | static const struct i2c_device_id mt9v032_id[] = { |
| 851 | { "mt9v032", 0 }, |
| 852 | { } |
| 853 | }; |
| 854 | MODULE_DEVICE_TABLE(i2c, mt9v032_id); |
| 855 | |
| 856 | static struct i2c_driver mt9v032_driver = { |
| 857 | .driver = { |
| 858 | .name = "mt9v032", |
| 859 | }, |
| 860 | .probe = mt9v032_probe, |
| 861 | .remove = mt9v032_remove, |
| 862 | .id_table = mt9v032_id, |
| 863 | }; |
| 864 | |
Axel Lin | c6e8d86 | 2012-02-12 06:56:32 -0300 | [diff] [blame] | 865 | module_i2c_driver(mt9v032_driver); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 866 | |
| 867 | MODULE_DESCRIPTION("Aptina MT9V032 Camera driver"); |
| 868 | MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>"); |
| 869 | MODULE_LICENSE("GPL"); |