Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1 | /* |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 2 | * Driver for MT9V022, MT9V024, MT9V032, and MT9V034 CMOS Image Sensors |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 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 | |
Laurent Pinchart | 3300a8f | 2013-07-05 07:16:02 -0300 | [diff] [blame] | 15 | #include <linux/clk.h> |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 16 | #include <linux/delay.h> |
| 17 | #include <linux/i2c.h> |
| 18 | #include <linux/log2.h> |
| 19 | #include <linux/mutex.h> |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 20 | #include <linux/regmap.h> |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 21 | #include <linux/slab.h> |
| 22 | #include <linux/videodev2.h> |
| 23 | #include <linux/v4l2-mediabus.h> |
Paul Gortmaker | 7a707b8 | 2011-07-03 14:03:12 -0400 | [diff] [blame] | 24 | #include <linux/module.h> |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 25 | |
| 26 | #include <media/mt9v032.h> |
| 27 | #include <media/v4l2-ctrls.h> |
| 28 | #include <media/v4l2-device.h> |
| 29 | #include <media/v4l2-subdev.h> |
| 30 | |
Laurent Pinchart | 2b9e9f7 | 2013-12-02 11:52:44 -0300 | [diff] [blame] | 31 | /* The first four rows are black rows. The active area spans 753x481 pixels. */ |
| 32 | #define MT9V032_PIXEL_ARRAY_HEIGHT 485 |
| 33 | #define MT9V032_PIXEL_ARRAY_WIDTH 753 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 34 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 35 | #define MT9V032_SYSCLK_FREQ_DEF 26600000 |
| 36 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 37 | #define MT9V032_CHIP_VERSION 0x00 |
| 38 | #define MT9V032_CHIP_ID_REV1 0x1311 |
| 39 | #define MT9V032_CHIP_ID_REV3 0x1313 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 40 | #define MT9V034_CHIP_ID_REV1 0X1324 |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 41 | #define MT9V032_COLUMN_START 0x01 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 42 | #define MT9V032_COLUMN_START_MIN 1 |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 43 | #define MT9V032_COLUMN_START_DEF 1 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 44 | #define MT9V032_COLUMN_START_MAX 752 |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 45 | #define MT9V032_ROW_START 0x02 |
| 46 | #define MT9V032_ROW_START_MIN 4 |
| 47 | #define MT9V032_ROW_START_DEF 5 |
| 48 | #define MT9V032_ROW_START_MAX 482 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 49 | #define MT9V032_WINDOW_HEIGHT 0x03 |
| 50 | #define MT9V032_WINDOW_HEIGHT_MIN 1 |
| 51 | #define MT9V032_WINDOW_HEIGHT_DEF 480 |
| 52 | #define MT9V032_WINDOW_HEIGHT_MAX 480 |
| 53 | #define MT9V032_WINDOW_WIDTH 0x04 |
| 54 | #define MT9V032_WINDOW_WIDTH_MIN 1 |
| 55 | #define MT9V032_WINDOW_WIDTH_DEF 752 |
| 56 | #define MT9V032_WINDOW_WIDTH_MAX 752 |
| 57 | #define MT9V032_HORIZONTAL_BLANKING 0x05 |
| 58 | #define MT9V032_HORIZONTAL_BLANKING_MIN 43 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 59 | #define MT9V034_HORIZONTAL_BLANKING_MIN 61 |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 60 | #define MT9V032_HORIZONTAL_BLANKING_DEF 94 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 61 | #define MT9V032_HORIZONTAL_BLANKING_MAX 1023 |
| 62 | #define MT9V032_VERTICAL_BLANKING 0x06 |
| 63 | #define MT9V032_VERTICAL_BLANKING_MIN 4 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 64 | #define MT9V034_VERTICAL_BLANKING_MIN 2 |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 65 | #define MT9V032_VERTICAL_BLANKING_DEF 45 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 66 | #define MT9V032_VERTICAL_BLANKING_MAX 3000 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 67 | #define MT9V034_VERTICAL_BLANKING_MAX 32288 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 68 | #define MT9V032_CHIP_CONTROL 0x07 |
| 69 | #define MT9V032_CHIP_CONTROL_MASTER_MODE (1 << 3) |
| 70 | #define MT9V032_CHIP_CONTROL_DOUT_ENABLE (1 << 7) |
| 71 | #define MT9V032_CHIP_CONTROL_SEQUENTIAL (1 << 8) |
| 72 | #define MT9V032_SHUTTER_WIDTH1 0x08 |
| 73 | #define MT9V032_SHUTTER_WIDTH2 0x09 |
| 74 | #define MT9V032_SHUTTER_WIDTH_CONTROL 0x0a |
| 75 | #define MT9V032_TOTAL_SHUTTER_WIDTH 0x0b |
| 76 | #define MT9V032_TOTAL_SHUTTER_WIDTH_MIN 1 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 77 | #define MT9V034_TOTAL_SHUTTER_WIDTH_MIN 0 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 78 | #define MT9V032_TOTAL_SHUTTER_WIDTH_DEF 480 |
| 79 | #define MT9V032_TOTAL_SHUTTER_WIDTH_MAX 32767 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 80 | #define MT9V034_TOTAL_SHUTTER_WIDTH_MAX 32765 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 81 | #define MT9V032_RESET 0x0c |
| 82 | #define MT9V032_READ_MODE 0x0d |
| 83 | #define MT9V032_READ_MODE_ROW_BIN_MASK (3 << 0) |
| 84 | #define MT9V032_READ_MODE_ROW_BIN_SHIFT 0 |
| 85 | #define MT9V032_READ_MODE_COLUMN_BIN_MASK (3 << 2) |
| 86 | #define MT9V032_READ_MODE_COLUMN_BIN_SHIFT 2 |
| 87 | #define MT9V032_READ_MODE_ROW_FLIP (1 << 4) |
| 88 | #define MT9V032_READ_MODE_COLUMN_FLIP (1 << 5) |
| 89 | #define MT9V032_READ_MODE_DARK_COLUMNS (1 << 6) |
| 90 | #define MT9V032_READ_MODE_DARK_ROWS (1 << 7) |
Philipp Zabel | d131e54 | 2014-06-03 06:35:53 -0300 | [diff] [blame] | 91 | #define MT9V032_READ_MODE_RESERVED 0x0300 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 92 | #define MT9V032_PIXEL_OPERATION_MODE 0x0f |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 93 | #define MT9V034_PIXEL_OPERATION_MODE_HDR (1 << 0) |
| 94 | #define MT9V034_PIXEL_OPERATION_MODE_COLOR (1 << 1) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 95 | #define MT9V032_PIXEL_OPERATION_MODE_COLOR (1 << 2) |
| 96 | #define MT9V032_PIXEL_OPERATION_MODE_HDR (1 << 6) |
| 97 | #define MT9V032_ANALOG_GAIN 0x35 |
| 98 | #define MT9V032_ANALOG_GAIN_MIN 16 |
| 99 | #define MT9V032_ANALOG_GAIN_DEF 16 |
| 100 | #define MT9V032_ANALOG_GAIN_MAX 64 |
| 101 | #define MT9V032_MAX_ANALOG_GAIN 0x36 |
| 102 | #define MT9V032_MAX_ANALOG_GAIN_MAX 127 |
| 103 | #define MT9V032_FRAME_DARK_AVERAGE 0x42 |
| 104 | #define MT9V032_DARK_AVG_THRESH 0x46 |
| 105 | #define MT9V032_DARK_AVG_LOW_THRESH_MASK (255 << 0) |
| 106 | #define MT9V032_DARK_AVG_LOW_THRESH_SHIFT 0 |
| 107 | #define MT9V032_DARK_AVG_HIGH_THRESH_MASK (255 << 8) |
| 108 | #define MT9V032_DARK_AVG_HIGH_THRESH_SHIFT 8 |
| 109 | #define MT9V032_ROW_NOISE_CORR_CONTROL 0x70 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 110 | #define MT9V034_ROW_NOISE_CORR_ENABLE (1 << 0) |
| 111 | #define MT9V034_ROW_NOISE_CORR_USE_BLK_AVG (1 << 1) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 112 | #define MT9V032_ROW_NOISE_CORR_ENABLE (1 << 5) |
| 113 | #define MT9V032_ROW_NOISE_CORR_USE_BLK_AVG (1 << 7) |
| 114 | #define MT9V032_PIXEL_CLOCK 0x74 |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 115 | #define MT9V034_PIXEL_CLOCK 0x72 |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 116 | #define MT9V032_PIXEL_CLOCK_INV_LINE (1 << 0) |
| 117 | #define MT9V032_PIXEL_CLOCK_INV_FRAME (1 << 1) |
| 118 | #define MT9V032_PIXEL_CLOCK_XOR_LINE (1 << 2) |
| 119 | #define MT9V032_PIXEL_CLOCK_CONT_LINE (1 << 3) |
| 120 | #define MT9V032_PIXEL_CLOCK_INV_PXL_CLK (1 << 4) |
| 121 | #define MT9V032_TEST_PATTERN 0x7f |
| 122 | #define MT9V032_TEST_PATTERN_DATA_MASK (1023 << 0) |
| 123 | #define MT9V032_TEST_PATTERN_DATA_SHIFT 0 |
| 124 | #define MT9V032_TEST_PATTERN_USE_DATA (1 << 10) |
| 125 | #define MT9V032_TEST_PATTERN_GRAY_MASK (3 << 11) |
| 126 | #define MT9V032_TEST_PATTERN_GRAY_NONE (0 << 11) |
| 127 | #define MT9V032_TEST_PATTERN_GRAY_VERTICAL (1 << 11) |
| 128 | #define MT9V032_TEST_PATTERN_GRAY_HORIZONTAL (2 << 11) |
| 129 | #define MT9V032_TEST_PATTERN_GRAY_DIAGONAL (3 << 11) |
| 130 | #define MT9V032_TEST_PATTERN_ENABLE (1 << 13) |
| 131 | #define MT9V032_TEST_PATTERN_FLIP (1 << 14) |
| 132 | #define MT9V032_AEC_AGC_ENABLE 0xaf |
| 133 | #define MT9V032_AEC_ENABLE (1 << 0) |
| 134 | #define MT9V032_AGC_ENABLE (1 << 1) |
| 135 | #define MT9V032_THERMAL_INFO 0xc1 |
| 136 | |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 137 | enum mt9v032_model { |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 138 | MT9V032_MODEL_V022_COLOR, /* MT9V022IX7ATC */ |
| 139 | MT9V032_MODEL_V022_MONO, /* MT9V022IX7ATM */ |
| 140 | MT9V032_MODEL_V024_COLOR, /* MT9V024IA7XTC */ |
| 141 | MT9V032_MODEL_V024_MONO, /* MT9V024IA7XTM */ |
| 142 | MT9V032_MODEL_V032_COLOR, /* MT9V032C12STM */ |
| 143 | MT9V032_MODEL_V032_MONO, /* MT9V032C12STC */ |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 144 | MT9V032_MODEL_V034_COLOR, |
| 145 | MT9V032_MODEL_V034_MONO, |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 146 | }; |
| 147 | |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 148 | struct mt9v032_model_version { |
| 149 | unsigned int version; |
| 150 | const char *name; |
| 151 | }; |
| 152 | |
| 153 | struct mt9v032_model_data { |
| 154 | unsigned int min_row_time; |
| 155 | unsigned int min_hblank; |
| 156 | unsigned int min_vblank; |
| 157 | unsigned int max_vblank; |
| 158 | unsigned int min_shutter; |
| 159 | unsigned int max_shutter; |
| 160 | unsigned int pclk_reg; |
| 161 | }; |
| 162 | |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 163 | struct mt9v032_model_info { |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 164 | const struct mt9v032_model_data *data; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 165 | bool color; |
| 166 | }; |
| 167 | |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 168 | static const struct mt9v032_model_version mt9v032_versions[] = { |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 169 | { MT9V032_CHIP_ID_REV1, "MT9V022/MT9V032 rev1/2" }, |
| 170 | { MT9V032_CHIP_ID_REV3, "MT9V022/MT9V032 rev3" }, |
| 171 | { MT9V034_CHIP_ID_REV1, "MT9V024/MT9V034 rev1" }, |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 172 | }; |
| 173 | |
| 174 | static const struct mt9v032_model_data mt9v032_model_data[] = { |
| 175 | { |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 176 | /* MT9V022, MT9V032 revisions 1/2/3 */ |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 177 | .min_row_time = 660, |
| 178 | .min_hblank = MT9V032_HORIZONTAL_BLANKING_MIN, |
| 179 | .min_vblank = MT9V032_VERTICAL_BLANKING_MIN, |
| 180 | .max_vblank = MT9V032_VERTICAL_BLANKING_MAX, |
| 181 | .min_shutter = MT9V032_TOTAL_SHUTTER_WIDTH_MIN, |
| 182 | .max_shutter = MT9V032_TOTAL_SHUTTER_WIDTH_MAX, |
| 183 | .pclk_reg = MT9V032_PIXEL_CLOCK, |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 184 | }, { |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 185 | /* MT9V024, MT9V034 */ |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 186 | .min_row_time = 690, |
| 187 | .min_hblank = MT9V034_HORIZONTAL_BLANKING_MIN, |
| 188 | .min_vblank = MT9V034_VERTICAL_BLANKING_MIN, |
| 189 | .max_vblank = MT9V034_VERTICAL_BLANKING_MAX, |
| 190 | .min_shutter = MT9V034_TOTAL_SHUTTER_WIDTH_MIN, |
| 191 | .max_shutter = MT9V034_TOTAL_SHUTTER_WIDTH_MAX, |
| 192 | .pclk_reg = MT9V034_PIXEL_CLOCK, |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 193 | }, |
| 194 | }; |
| 195 | |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 196 | static const struct mt9v032_model_info mt9v032_models[] = { |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 197 | [MT9V032_MODEL_V022_COLOR] = { |
| 198 | .data = &mt9v032_model_data[0], |
| 199 | .color = true, |
| 200 | }, |
| 201 | [MT9V032_MODEL_V022_MONO] = { |
| 202 | .data = &mt9v032_model_data[0], |
| 203 | .color = false, |
| 204 | }, |
| 205 | [MT9V032_MODEL_V024_COLOR] = { |
| 206 | .data = &mt9v032_model_data[1], |
| 207 | .color = true, |
| 208 | }, |
| 209 | [MT9V032_MODEL_V024_MONO] = { |
| 210 | .data = &mt9v032_model_data[1], |
| 211 | .color = false, |
| 212 | }, |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 213 | [MT9V032_MODEL_V032_COLOR] = { |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 214 | .data = &mt9v032_model_data[0], |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 215 | .color = true, |
| 216 | }, |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 217 | [MT9V032_MODEL_V032_MONO] = { |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 218 | .data = &mt9v032_model_data[0], |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 219 | .color = false, |
| 220 | }, |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 221 | [MT9V032_MODEL_V034_COLOR] = { |
| 222 | .data = &mt9v032_model_data[1], |
| 223 | .color = true, |
| 224 | }, |
| 225 | [MT9V032_MODEL_V034_MONO] = { |
| 226 | .data = &mt9v032_model_data[1], |
| 227 | .color = false, |
| 228 | }, |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 229 | }; |
| 230 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 231 | struct mt9v032 { |
| 232 | struct v4l2_subdev subdev; |
| 233 | struct media_pad pad; |
| 234 | |
| 235 | struct v4l2_mbus_framefmt format; |
| 236 | struct v4l2_rect crop; |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 237 | unsigned int hratio; |
| 238 | unsigned int vratio; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 239 | |
| 240 | struct v4l2_ctrl_handler ctrls; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 241 | struct { |
| 242 | struct v4l2_ctrl *link_freq; |
| 243 | struct v4l2_ctrl *pixel_rate; |
| 244 | }; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 245 | |
| 246 | struct mutex power_lock; |
| 247 | int power_count; |
| 248 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 249 | struct regmap *regmap; |
Laurent Pinchart | 3300a8f | 2013-07-05 07:16:02 -0300 | [diff] [blame] | 250 | struct clk *clk; |
| 251 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 252 | struct mt9v032_platform_data *pdata; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 253 | const struct mt9v032_model_info *model; |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 254 | const struct mt9v032_model_version *version; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 255 | |
| 256 | u32 sysclk; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 257 | u16 aec_agc; |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 258 | u16 hblank; |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 259 | struct { |
| 260 | struct v4l2_ctrl *test_pattern; |
| 261 | struct v4l2_ctrl *test_pattern_color; |
| 262 | }; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 263 | }; |
| 264 | |
| 265 | static struct mt9v032 *to_mt9v032(struct v4l2_subdev *sd) |
| 266 | { |
| 267 | return container_of(sd, struct mt9v032, subdev); |
| 268 | } |
| 269 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 270 | static int |
| 271 | mt9v032_update_aec_agc(struct mt9v032 *mt9v032, u16 which, int enable) |
| 272 | { |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 273 | struct regmap *map = mt9v032->regmap; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 274 | u16 value = mt9v032->aec_agc; |
| 275 | int ret; |
| 276 | |
| 277 | if (enable) |
| 278 | value |= which; |
| 279 | else |
| 280 | value &= ~which; |
| 281 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 282 | ret = regmap_write(map, MT9V032_AEC_AGC_ENABLE, value); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 283 | if (ret < 0) |
| 284 | return ret; |
| 285 | |
| 286 | mt9v032->aec_agc = value; |
| 287 | return 0; |
| 288 | } |
| 289 | |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 290 | static int |
| 291 | mt9v032_update_hblank(struct mt9v032 *mt9v032) |
| 292 | { |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 293 | struct v4l2_rect *crop = &mt9v032->crop; |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 294 | unsigned int min_hblank = mt9v032->model->data->min_hblank; |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 295 | unsigned int hblank; |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 296 | |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 297 | if (mt9v032->version->version == MT9V034_CHIP_ID_REV1) |
| 298 | min_hblank += (mt9v032->hratio - 1) * 10; |
Philipp Zabel | f17bc3f | 2014-05-26 10:55:51 -0300 | [diff] [blame] | 299 | min_hblank = max_t(int, mt9v032->model->data->min_row_time - crop->width, |
| 300 | min_hblank); |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 301 | hblank = max_t(unsigned int, mt9v032->hblank, min_hblank); |
| 302 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 303 | return regmap_write(mt9v032->regmap, MT9V032_HORIZONTAL_BLANKING, |
| 304 | hblank); |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 305 | } |
| 306 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 307 | static int mt9v032_power_on(struct mt9v032 *mt9v032) |
| 308 | { |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 309 | struct regmap *map = mt9v032->regmap; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 310 | int ret; |
| 311 | |
Lad, Prabhakar | 7901919 | 2014-01-17 06:22:47 -0300 | [diff] [blame] | 312 | ret = clk_set_rate(mt9v032->clk, mt9v032->sysclk); |
| 313 | if (ret < 0) |
| 314 | return ret; |
| 315 | |
| 316 | ret = clk_prepare_enable(mt9v032->clk); |
| 317 | if (ret) |
| 318 | return ret; |
| 319 | |
Laurent Pinchart | 3300a8f | 2013-07-05 07:16:02 -0300 | [diff] [blame] | 320 | udelay(1); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 321 | |
| 322 | /* Reset the chip and stop data read out */ |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 323 | ret = regmap_write(map, MT9V032_RESET, 1); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 324 | if (ret < 0) |
| 325 | return ret; |
| 326 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 327 | ret = regmap_write(map, MT9V032_RESET, 0); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 328 | if (ret < 0) |
| 329 | return ret; |
| 330 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 331 | return regmap_write(map, MT9V032_CHIP_CONTROL, 0); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | static void mt9v032_power_off(struct mt9v032 *mt9v032) |
| 335 | { |
Laurent Pinchart | 3300a8f | 2013-07-05 07:16:02 -0300 | [diff] [blame] | 336 | clk_disable_unprepare(mt9v032->clk); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | static int __mt9v032_set_power(struct mt9v032 *mt9v032, bool on) |
| 340 | { |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 341 | struct regmap *map = mt9v032->regmap; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 342 | int ret; |
| 343 | |
| 344 | if (!on) { |
| 345 | mt9v032_power_off(mt9v032); |
| 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | ret = mt9v032_power_on(mt9v032); |
| 350 | if (ret < 0) |
| 351 | return ret; |
| 352 | |
| 353 | /* Configure the pixel clock polarity */ |
| 354 | if (mt9v032->pdata && mt9v032->pdata->clk_pol) { |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 355 | ret = regmap_write(map, mt9v032->model->data->pclk_reg, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 356 | MT9V032_PIXEL_CLOCK_INV_PXL_CLK); |
| 357 | if (ret < 0) |
| 358 | return ret; |
| 359 | } |
| 360 | |
| 361 | /* Disable the noise correction algorithm and restore the controls. */ |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 362 | ret = regmap_write(map, MT9V032_ROW_NOISE_CORR_CONTROL, 0); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 363 | if (ret < 0) |
| 364 | return ret; |
| 365 | |
| 366 | return v4l2_ctrl_handler_setup(&mt9v032->ctrls); |
| 367 | } |
| 368 | |
| 369 | /* ----------------------------------------------------------------------------- |
| 370 | * V4L2 subdev video operations |
| 371 | */ |
| 372 | |
| 373 | static struct v4l2_mbus_framefmt * |
| 374 | __mt9v032_get_pad_format(struct mt9v032 *mt9v032, struct v4l2_subdev_fh *fh, |
| 375 | unsigned int pad, enum v4l2_subdev_format_whence which) |
| 376 | { |
| 377 | switch (which) { |
| 378 | case V4L2_SUBDEV_FORMAT_TRY: |
| 379 | return v4l2_subdev_get_try_format(fh, pad); |
| 380 | case V4L2_SUBDEV_FORMAT_ACTIVE: |
| 381 | return &mt9v032->format; |
| 382 | default: |
| 383 | return NULL; |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | static struct v4l2_rect * |
| 388 | __mt9v032_get_pad_crop(struct mt9v032 *mt9v032, struct v4l2_subdev_fh *fh, |
| 389 | unsigned int pad, enum v4l2_subdev_format_whence which) |
| 390 | { |
| 391 | switch (which) { |
| 392 | case V4L2_SUBDEV_FORMAT_TRY: |
| 393 | return v4l2_subdev_get_try_crop(fh, pad); |
| 394 | case V4L2_SUBDEV_FORMAT_ACTIVE: |
| 395 | return &mt9v032->crop; |
| 396 | default: |
| 397 | return NULL; |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | static int mt9v032_s_stream(struct v4l2_subdev *subdev, int enable) |
| 402 | { |
| 403 | const u16 mode = MT9V032_CHIP_CONTROL_MASTER_MODE |
| 404 | | MT9V032_CHIP_CONTROL_DOUT_ENABLE |
| 405 | | MT9V032_CHIP_CONTROL_SEQUENTIAL; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 406 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 407 | struct v4l2_rect *crop = &mt9v032->crop; |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 408 | struct regmap *map = mt9v032->regmap; |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 409 | unsigned int hbin; |
| 410 | unsigned int vbin; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 411 | int ret; |
| 412 | |
| 413 | if (!enable) |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 414 | return regmap_update_bits(map, MT9V032_CHIP_CONTROL, mode, 0); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 415 | |
| 416 | /* Configure the window size and row/column bin */ |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 417 | hbin = fls(mt9v032->hratio) - 1; |
| 418 | vbin = fls(mt9v032->vratio) - 1; |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 419 | ret = regmap_update_bits(map, MT9V032_READ_MODE, |
| 420 | ~MT9V032_READ_MODE_RESERVED, |
| 421 | hbin << MT9V032_READ_MODE_COLUMN_BIN_SHIFT | |
| 422 | vbin << MT9V032_READ_MODE_ROW_BIN_SHIFT); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 423 | if (ret < 0) |
| 424 | return ret; |
| 425 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 426 | ret = regmap_write(map, MT9V032_COLUMN_START, crop->left); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 427 | if (ret < 0) |
| 428 | return ret; |
| 429 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 430 | ret = regmap_write(map, MT9V032_ROW_START, crop->top); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 431 | if (ret < 0) |
| 432 | return ret; |
| 433 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 434 | ret = regmap_write(map, MT9V032_WINDOW_WIDTH, crop->width); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 435 | if (ret < 0) |
| 436 | return ret; |
| 437 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 438 | ret = regmap_write(map, MT9V032_WINDOW_HEIGHT, crop->height); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 439 | if (ret < 0) |
| 440 | return ret; |
| 441 | |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 442 | ret = mt9v032_update_hblank(mt9v032); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 443 | if (ret < 0) |
| 444 | return ret; |
| 445 | |
| 446 | /* Switch to master "normal" mode */ |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 447 | return regmap_update_bits(map, MT9V032_CHIP_CONTROL, mode, mode); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | static int mt9v032_enum_mbus_code(struct v4l2_subdev *subdev, |
| 451 | struct v4l2_subdev_fh *fh, |
| 452 | struct v4l2_subdev_mbus_code_enum *code) |
| 453 | { |
| 454 | if (code->index > 0) |
| 455 | return -EINVAL; |
| 456 | |
Boris BREZILLON | f5fe58f | 2014-11-10 14:28:29 -0300 | [diff] [blame] | 457 | code->code = MEDIA_BUS_FMT_SGRBG10_1X10; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 458 | return 0; |
| 459 | } |
| 460 | |
| 461 | static int mt9v032_enum_frame_size(struct v4l2_subdev *subdev, |
| 462 | struct v4l2_subdev_fh *fh, |
| 463 | struct v4l2_subdev_frame_size_enum *fse) |
| 464 | { |
Boris BREZILLON | f5fe58f | 2014-11-10 14:28:29 -0300 | [diff] [blame] | 465 | if (fse->index >= 3 || fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 466 | return -EINVAL; |
| 467 | |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 468 | fse->min_width = MT9V032_WINDOW_WIDTH_DEF / (1 << fse->index); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 469 | fse->max_width = fse->min_width; |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 470 | fse->min_height = MT9V032_WINDOW_HEIGHT_DEF / (1 << fse->index); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 471 | fse->max_height = fse->min_height; |
| 472 | |
| 473 | return 0; |
| 474 | } |
| 475 | |
| 476 | static int mt9v032_get_format(struct v4l2_subdev *subdev, |
| 477 | struct v4l2_subdev_fh *fh, |
| 478 | struct v4l2_subdev_format *format) |
| 479 | { |
| 480 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 481 | |
| 482 | format->format = *__mt9v032_get_pad_format(mt9v032, fh, format->pad, |
| 483 | format->which); |
| 484 | return 0; |
| 485 | } |
| 486 | |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 487 | static void mt9v032_configure_pixel_rate(struct mt9v032 *mt9v032) |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 488 | { |
| 489 | struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); |
| 490 | int ret; |
| 491 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 492 | ret = v4l2_ctrl_s_ctrl_int64(mt9v032->pixel_rate, |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 493 | mt9v032->sysclk / mt9v032->hratio); |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 494 | if (ret < 0) |
| 495 | dev_warn(&client->dev, "failed to set pixel rate (%d)\n", ret); |
| 496 | } |
| 497 | |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 498 | static unsigned int mt9v032_calc_ratio(unsigned int input, unsigned int output) |
| 499 | { |
| 500 | /* Compute the power-of-two binning factor closest to the input size to |
| 501 | * output size ratio. Given that the output size is bounded by input/4 |
| 502 | * and input, a generic implementation would be an ineffective luxury. |
| 503 | */ |
| 504 | if (output * 3 > input * 2) |
| 505 | return 1; |
| 506 | if (output * 3 > input) |
| 507 | return 2; |
| 508 | return 4; |
| 509 | } |
| 510 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 511 | static int mt9v032_set_format(struct v4l2_subdev *subdev, |
| 512 | struct v4l2_subdev_fh *fh, |
| 513 | struct v4l2_subdev_format *format) |
| 514 | { |
| 515 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 516 | struct v4l2_mbus_framefmt *__format; |
| 517 | struct v4l2_rect *__crop; |
| 518 | unsigned int width; |
| 519 | unsigned int height; |
| 520 | unsigned int hratio; |
| 521 | unsigned int vratio; |
| 522 | |
| 523 | __crop = __mt9v032_get_pad_crop(mt9v032, fh, format->pad, |
| 524 | format->which); |
| 525 | |
| 526 | /* Clamp the width and height to avoid dividing by zero. */ |
Ricardo Ribalda | f90580c | 2013-11-26 05:31:42 -0300 | [diff] [blame] | 527 | width = clamp(ALIGN(format->format.width, 2), |
| 528 | max_t(unsigned int, __crop->width / 4, |
| 529 | MT9V032_WINDOW_WIDTH_MIN), |
| 530 | __crop->width); |
| 531 | height = clamp(ALIGN(format->format.height, 2), |
| 532 | max_t(unsigned int, __crop->height / 4, |
| 533 | MT9V032_WINDOW_HEIGHT_MIN), |
| 534 | __crop->height); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 535 | |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 536 | hratio = mt9v032_calc_ratio(__crop->width, width); |
| 537 | vratio = mt9v032_calc_ratio(__crop->height, height); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 538 | |
| 539 | __format = __mt9v032_get_pad_format(mt9v032, fh, format->pad, |
| 540 | format->which); |
| 541 | __format->width = __crop->width / hratio; |
| 542 | __format->height = __crop->height / vratio; |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 543 | |
| 544 | if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { |
| 545 | mt9v032->hratio = hratio; |
| 546 | mt9v032->vratio = vratio; |
| 547 | mt9v032_configure_pixel_rate(mt9v032); |
| 548 | } |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 549 | |
| 550 | format->format = *__format; |
| 551 | |
| 552 | return 0; |
| 553 | } |
| 554 | |
| 555 | static int mt9v032_get_crop(struct v4l2_subdev *subdev, |
| 556 | struct v4l2_subdev_fh *fh, |
| 557 | struct v4l2_subdev_crop *crop) |
| 558 | { |
| 559 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 560 | |
| 561 | crop->rect = *__mt9v032_get_pad_crop(mt9v032, fh, crop->pad, |
| 562 | crop->which); |
| 563 | return 0; |
| 564 | } |
| 565 | |
| 566 | static int mt9v032_set_crop(struct v4l2_subdev *subdev, |
| 567 | struct v4l2_subdev_fh *fh, |
| 568 | struct v4l2_subdev_crop *crop) |
| 569 | { |
| 570 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 571 | struct v4l2_mbus_framefmt *__format; |
| 572 | struct v4l2_rect *__crop; |
| 573 | struct v4l2_rect rect; |
| 574 | |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 575 | /* Clamp the crop rectangle boundaries and align them to a non multiple |
| 576 | * of 2 pixels to ensure a GRBG Bayer pattern. |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 577 | */ |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 578 | rect.left = clamp(ALIGN(crop->rect.left + 1, 2) - 1, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 579 | MT9V032_COLUMN_START_MIN, |
| 580 | MT9V032_COLUMN_START_MAX); |
Laurent Pinchart | 86cf786 | 2010-11-28 15:07:20 -0300 | [diff] [blame] | 581 | rect.top = clamp(ALIGN(crop->rect.top + 1, 2) - 1, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 582 | MT9V032_ROW_START_MIN, |
| 583 | MT9V032_ROW_START_MAX); |
Ricardo Ribalda | f90580c | 2013-11-26 05:31:42 -0300 | [diff] [blame] | 584 | rect.width = clamp_t(unsigned int, ALIGN(crop->rect.width, 2), |
| 585 | MT9V032_WINDOW_WIDTH_MIN, |
| 586 | MT9V032_WINDOW_WIDTH_MAX); |
| 587 | rect.height = clamp_t(unsigned int, ALIGN(crop->rect.height, 2), |
| 588 | MT9V032_WINDOW_HEIGHT_MIN, |
| 589 | MT9V032_WINDOW_HEIGHT_MAX); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 590 | |
Ricardo Ribalda | f90580c | 2013-11-26 05:31:42 -0300 | [diff] [blame] | 591 | rect.width = min_t(unsigned int, |
| 592 | rect.width, MT9V032_PIXEL_ARRAY_WIDTH - rect.left); |
| 593 | rect.height = min_t(unsigned int, |
| 594 | rect.height, MT9V032_PIXEL_ARRAY_HEIGHT - rect.top); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 595 | |
| 596 | __crop = __mt9v032_get_pad_crop(mt9v032, fh, crop->pad, crop->which); |
| 597 | |
| 598 | if (rect.width != __crop->width || rect.height != __crop->height) { |
| 599 | /* Reset the output image size if the crop rectangle size has |
| 600 | * been modified. |
| 601 | */ |
| 602 | __format = __mt9v032_get_pad_format(mt9v032, fh, crop->pad, |
| 603 | crop->which); |
| 604 | __format->width = rect.width; |
| 605 | __format->height = rect.height; |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 606 | if (crop->which == V4L2_SUBDEV_FORMAT_ACTIVE) { |
| 607 | mt9v032->hratio = 1; |
| 608 | mt9v032->vratio = 1; |
| 609 | mt9v032_configure_pixel_rate(mt9v032); |
| 610 | } |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 611 | } |
| 612 | |
| 613 | *__crop = rect; |
| 614 | crop->rect = rect; |
| 615 | |
| 616 | return 0; |
| 617 | } |
| 618 | |
| 619 | /* ----------------------------------------------------------------------------- |
| 620 | * V4L2 subdev control operations |
| 621 | */ |
| 622 | |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 623 | #define V4L2_CID_TEST_PATTERN_COLOR (V4L2_CID_USER_BASE | 0x1001) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 624 | |
| 625 | static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl) |
| 626 | { |
| 627 | struct mt9v032 *mt9v032 = |
| 628 | container_of(ctrl->handler, struct mt9v032, ctrls); |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 629 | struct regmap *map = mt9v032->regmap; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 630 | u32 freq; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 631 | u16 data; |
| 632 | |
| 633 | switch (ctrl->id) { |
| 634 | case V4L2_CID_AUTOGAIN: |
| 635 | return mt9v032_update_aec_agc(mt9v032, MT9V032_AGC_ENABLE, |
| 636 | ctrl->val); |
| 637 | |
| 638 | case V4L2_CID_GAIN: |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 639 | return regmap_write(map, MT9V032_ANALOG_GAIN, ctrl->val); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 640 | |
| 641 | case V4L2_CID_EXPOSURE_AUTO: |
| 642 | return mt9v032_update_aec_agc(mt9v032, MT9V032_AEC_ENABLE, |
Kartik Mohta | 5c37598 | 2012-05-02 19:19:08 -0300 | [diff] [blame] | 643 | !ctrl->val); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 644 | |
| 645 | case V4L2_CID_EXPOSURE: |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 646 | return regmap_write(map, MT9V032_TOTAL_SHUTTER_WIDTH, |
| 647 | ctrl->val); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 648 | |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 649 | case V4L2_CID_HBLANK: |
| 650 | mt9v032->hblank = ctrl->val; |
| 651 | return mt9v032_update_hblank(mt9v032); |
| 652 | |
| 653 | case V4L2_CID_VBLANK: |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 654 | return regmap_write(map, MT9V032_VERTICAL_BLANKING, |
| 655 | ctrl->val); |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 656 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 657 | case V4L2_CID_PIXEL_RATE: |
| 658 | case V4L2_CID_LINK_FREQ: |
| 659 | if (mt9v032->link_freq == NULL) |
| 660 | break; |
| 661 | |
| 662 | freq = mt9v032->pdata->link_freqs[mt9v032->link_freq->val]; |
Hans Verkuil | 2a9ec37 | 2014-04-27 03:38:13 -0300 | [diff] [blame] | 663 | *mt9v032->pixel_rate->p_new.p_s64 = freq; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 664 | mt9v032->sysclk = freq; |
| 665 | break; |
| 666 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 667 | case V4L2_CID_TEST_PATTERN: |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 668 | switch (mt9v032->test_pattern->val) { |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 669 | case 0: |
| 670 | data = 0; |
| 671 | break; |
| 672 | case 1: |
| 673 | data = MT9V032_TEST_PATTERN_GRAY_VERTICAL |
| 674 | | MT9V032_TEST_PATTERN_ENABLE; |
| 675 | break; |
| 676 | case 2: |
| 677 | data = MT9V032_TEST_PATTERN_GRAY_HORIZONTAL |
| 678 | | MT9V032_TEST_PATTERN_ENABLE; |
| 679 | break; |
| 680 | case 3: |
| 681 | data = MT9V032_TEST_PATTERN_GRAY_DIAGONAL |
| 682 | | MT9V032_TEST_PATTERN_ENABLE; |
| 683 | break; |
| 684 | default: |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 685 | data = (mt9v032->test_pattern_color->val << |
| 686 | MT9V032_TEST_PATTERN_DATA_SHIFT) |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 687 | | MT9V032_TEST_PATTERN_USE_DATA |
| 688 | | MT9V032_TEST_PATTERN_ENABLE |
| 689 | | MT9V032_TEST_PATTERN_FLIP; |
| 690 | break; |
| 691 | } |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 692 | return regmap_write(map, MT9V032_TEST_PATTERN, data); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 693 | } |
| 694 | |
| 695 | return 0; |
| 696 | } |
| 697 | |
| 698 | static struct v4l2_ctrl_ops mt9v032_ctrl_ops = { |
| 699 | .s_ctrl = mt9v032_s_ctrl, |
| 700 | }; |
| 701 | |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 702 | static const char * const mt9v032_test_pattern_menu[] = { |
| 703 | "Disabled", |
| 704 | "Gray Vertical Shade", |
| 705 | "Gray Horizontal Shade", |
| 706 | "Gray Diagonal Shade", |
| 707 | "Plain", |
| 708 | }; |
| 709 | |
| 710 | static const struct v4l2_ctrl_config mt9v032_test_pattern_color = { |
| 711 | .ops = &mt9v032_ctrl_ops, |
| 712 | .id = V4L2_CID_TEST_PATTERN_COLOR, |
| 713 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 714 | .name = "Test Pattern Color", |
| 715 | .min = 0, |
| 716 | .max = 1023, |
| 717 | .step = 1, |
| 718 | .def = 0, |
| 719 | .flags = 0, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 720 | }; |
| 721 | |
| 722 | /* ----------------------------------------------------------------------------- |
| 723 | * V4L2 subdev core operations |
| 724 | */ |
| 725 | |
| 726 | static int mt9v032_set_power(struct v4l2_subdev *subdev, int on) |
| 727 | { |
| 728 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 729 | int ret = 0; |
| 730 | |
| 731 | mutex_lock(&mt9v032->power_lock); |
| 732 | |
| 733 | /* If the power count is modified from 0 to != 0 or from != 0 to 0, |
| 734 | * update the power state. |
| 735 | */ |
| 736 | if (mt9v032->power_count == !on) { |
| 737 | ret = __mt9v032_set_power(mt9v032, !!on); |
| 738 | if (ret < 0) |
| 739 | goto done; |
| 740 | } |
| 741 | |
| 742 | /* Update the power count. */ |
| 743 | mt9v032->power_count += on ? 1 : -1; |
| 744 | WARN_ON(mt9v032->power_count < 0); |
| 745 | |
| 746 | done: |
| 747 | mutex_unlock(&mt9v032->power_lock); |
| 748 | return ret; |
| 749 | } |
| 750 | |
| 751 | /* ----------------------------------------------------------------------------- |
| 752 | * V4L2 subdev internal operations |
| 753 | */ |
| 754 | |
| 755 | static int mt9v032_registered(struct v4l2_subdev *subdev) |
| 756 | { |
| 757 | struct i2c_client *client = v4l2_get_subdevdata(subdev); |
| 758 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 759 | unsigned int i; |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 760 | u32 version; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 761 | int ret; |
| 762 | |
| 763 | dev_info(&client->dev, "Probing MT9V032 at address 0x%02x\n", |
| 764 | client->addr); |
| 765 | |
| 766 | ret = mt9v032_power_on(mt9v032); |
| 767 | if (ret < 0) { |
| 768 | dev_err(&client->dev, "MT9V032 power up failed\n"); |
| 769 | return ret; |
| 770 | } |
| 771 | |
| 772 | /* Read and check the sensor version */ |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 773 | ret = regmap_read(mt9v032->regmap, MT9V032_CHIP_VERSION, &version); |
| 774 | if (ret < 0) { |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 775 | dev_err(&client->dev, "Failed reading chip version\n"); |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 776 | return ret; |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 777 | } |
| 778 | |
| 779 | for (i = 0; i < ARRAY_SIZE(mt9v032_versions); ++i) { |
| 780 | if (mt9v032_versions[i].version == version) { |
| 781 | mt9v032->version = &mt9v032_versions[i]; |
| 782 | break; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | if (mt9v032->version == NULL) { |
| 787 | dev_err(&client->dev, "Unsupported chip version 0x%04x\n", |
| 788 | version); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 789 | return -ENODEV; |
| 790 | } |
| 791 | |
| 792 | mt9v032_power_off(mt9v032); |
| 793 | |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 794 | dev_info(&client->dev, "%s detected at address 0x%02x\n", |
| 795 | mt9v032->version->name, client->addr); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 796 | |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 797 | mt9v032_configure_pixel_rate(mt9v032); |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 798 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 799 | return ret; |
| 800 | } |
| 801 | |
| 802 | static int mt9v032_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) |
| 803 | { |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 804 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 805 | struct v4l2_mbus_framefmt *format; |
| 806 | struct v4l2_rect *crop; |
| 807 | |
| 808 | crop = v4l2_subdev_get_try_crop(fh, 0); |
| 809 | crop->left = MT9V032_COLUMN_START_DEF; |
| 810 | crop->top = MT9V032_ROW_START_DEF; |
| 811 | crop->width = MT9V032_WINDOW_WIDTH_DEF; |
| 812 | crop->height = MT9V032_WINDOW_HEIGHT_DEF; |
| 813 | |
| 814 | format = v4l2_subdev_get_try_format(fh, 0); |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 815 | |
| 816 | if (mt9v032->model->color) |
Boris BREZILLON | f5fe58f | 2014-11-10 14:28:29 -0300 | [diff] [blame] | 817 | format->code = MEDIA_BUS_FMT_SGRBG10_1X10; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 818 | else |
Boris BREZILLON | f5fe58f | 2014-11-10 14:28:29 -0300 | [diff] [blame] | 819 | format->code = MEDIA_BUS_FMT_Y10_1X10; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 820 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 821 | format->width = MT9V032_WINDOW_WIDTH_DEF; |
| 822 | format->height = MT9V032_WINDOW_HEIGHT_DEF; |
| 823 | format->field = V4L2_FIELD_NONE; |
| 824 | format->colorspace = V4L2_COLORSPACE_SRGB; |
| 825 | |
| 826 | return mt9v032_set_power(subdev, 1); |
| 827 | } |
| 828 | |
| 829 | static int mt9v032_close(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) |
| 830 | { |
| 831 | return mt9v032_set_power(subdev, 0); |
| 832 | } |
| 833 | |
| 834 | static struct v4l2_subdev_core_ops mt9v032_subdev_core_ops = { |
| 835 | .s_power = mt9v032_set_power, |
| 836 | }; |
| 837 | |
| 838 | static struct v4l2_subdev_video_ops mt9v032_subdev_video_ops = { |
| 839 | .s_stream = mt9v032_s_stream, |
| 840 | }; |
| 841 | |
| 842 | static struct v4l2_subdev_pad_ops mt9v032_subdev_pad_ops = { |
| 843 | .enum_mbus_code = mt9v032_enum_mbus_code, |
| 844 | .enum_frame_size = mt9v032_enum_frame_size, |
| 845 | .get_fmt = mt9v032_get_format, |
| 846 | .set_fmt = mt9v032_set_format, |
| 847 | .get_crop = mt9v032_get_crop, |
| 848 | .set_crop = mt9v032_set_crop, |
| 849 | }; |
| 850 | |
| 851 | static struct v4l2_subdev_ops mt9v032_subdev_ops = { |
| 852 | .core = &mt9v032_subdev_core_ops, |
| 853 | .video = &mt9v032_subdev_video_ops, |
| 854 | .pad = &mt9v032_subdev_pad_ops, |
| 855 | }; |
| 856 | |
| 857 | static const struct v4l2_subdev_internal_ops mt9v032_subdev_internal_ops = { |
| 858 | .registered = mt9v032_registered, |
| 859 | .open = mt9v032_open, |
| 860 | .close = mt9v032_close, |
| 861 | }; |
| 862 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 863 | static const struct regmap_config mt9v032_regmap_config = { |
| 864 | .reg_bits = 8, |
| 865 | .val_bits = 16, |
| 866 | .max_register = 0xff, |
| 867 | .cache_type = REGCACHE_RBTREE, |
| 868 | }; |
| 869 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 870 | /* ----------------------------------------------------------------------------- |
| 871 | * Driver initialization and probing |
| 872 | */ |
| 873 | |
| 874 | static int mt9v032_probe(struct i2c_client *client, |
| 875 | const struct i2c_device_id *did) |
| 876 | { |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 877 | struct mt9v032_platform_data *pdata = client->dev.platform_data; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 878 | struct mt9v032 *mt9v032; |
| 879 | unsigned int i; |
| 880 | int ret; |
| 881 | |
| 882 | if (!i2c_check_functionality(client->adapter, |
| 883 | I2C_FUNC_SMBUS_WORD_DATA)) { |
| 884 | dev_warn(&client->adapter->dev, |
| 885 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); |
| 886 | return -EIO; |
| 887 | } |
| 888 | |
Laurent Pinchart | c02b211 | 2013-05-02 08:29:43 -0300 | [diff] [blame] | 889 | mt9v032 = devm_kzalloc(&client->dev, sizeof(*mt9v032), GFP_KERNEL); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 890 | if (!mt9v032) |
| 891 | return -ENOMEM; |
| 892 | |
Philipp Zabel | 80b44ef | 2014-06-04 13:57:03 -0300 | [diff] [blame] | 893 | mt9v032->regmap = devm_regmap_init_i2c(client, &mt9v032_regmap_config); |
| 894 | if (IS_ERR(mt9v032->regmap)) |
| 895 | return PTR_ERR(mt9v032->regmap); |
| 896 | |
Laurent Pinchart | 3300a8f | 2013-07-05 07:16:02 -0300 | [diff] [blame] | 897 | mt9v032->clk = devm_clk_get(&client->dev, NULL); |
| 898 | if (IS_ERR(mt9v032->clk)) |
| 899 | return PTR_ERR(mt9v032->clk); |
| 900 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 901 | mutex_init(&mt9v032->power_lock); |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 902 | mt9v032->pdata = pdata; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 903 | mt9v032->model = (const void *)did->driver_data; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 904 | |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 905 | v4l2_ctrl_handler_init(&mt9v032->ctrls, 10); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 906 | |
| 907 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 908 | V4L2_CID_AUTOGAIN, 0, 1, 1, 1); |
| 909 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 910 | V4L2_CID_GAIN, MT9V032_ANALOG_GAIN_MIN, |
| 911 | MT9V032_ANALOG_GAIN_MAX, 1, MT9V032_ANALOG_GAIN_DEF); |
| 912 | v4l2_ctrl_new_std_menu(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
| 913 | V4L2_CID_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL, 0, |
| 914 | V4L2_EXPOSURE_AUTO); |
| 915 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 916 | V4L2_CID_EXPOSURE, mt9v032->model->data->min_shutter, |
| 917 | mt9v032->model->data->max_shutter, 1, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 918 | MT9V032_TOTAL_SHUTTER_WIDTH_DEF); |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 919 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 920 | V4L2_CID_HBLANK, mt9v032->model->data->min_hblank, |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 921 | MT9V032_HORIZONTAL_BLANKING_MAX, 1, |
| 922 | MT9V032_HORIZONTAL_BLANKING_DEF); |
| 923 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
Laurent Pinchart | 0a466b6 | 2013-12-02 11:59:52 -0300 | [diff] [blame] | 924 | V4L2_CID_VBLANK, mt9v032->model->data->min_vblank, |
| 925 | mt9v032->model->data->max_vblank, 1, |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 926 | MT9V032_VERTICAL_BLANKING_DEF); |
Lad, Prabhakar | b28d701 | 2012-09-25 09:35:43 -0300 | [diff] [blame] | 927 | mt9v032->test_pattern = v4l2_ctrl_new_std_menu_items(&mt9v032->ctrls, |
| 928 | &mt9v032_ctrl_ops, V4L2_CID_TEST_PATTERN, |
| 929 | ARRAY_SIZE(mt9v032_test_pattern_menu) - 1, 0, 0, |
| 930 | mt9v032_test_pattern_menu); |
| 931 | mt9v032->test_pattern_color = v4l2_ctrl_new_custom(&mt9v032->ctrls, |
| 932 | &mt9v032_test_pattern_color, NULL); |
| 933 | |
| 934 | v4l2_ctrl_cluster(2, &mt9v032->test_pattern); |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 935 | |
Sakari Ailus | 41a33a0 | 2012-03-15 18:01:39 -0300 | [diff] [blame] | 936 | mt9v032->pixel_rate = |
| 937 | v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, |
Hans Verkuil | 0ba2aeb | 2014-04-16 09:41:25 -0300 | [diff] [blame] | 938 | V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, 1); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 939 | |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 940 | if (pdata && pdata->link_freqs) { |
| 941 | unsigned int def = 0; |
| 942 | |
| 943 | for (i = 0; pdata->link_freqs[i]; ++i) { |
| 944 | if (pdata->link_freqs[i] == pdata->link_def_freq) |
| 945 | def = i; |
| 946 | } |
| 947 | |
| 948 | mt9v032->link_freq = |
| 949 | v4l2_ctrl_new_int_menu(&mt9v032->ctrls, |
| 950 | &mt9v032_ctrl_ops, |
| 951 | V4L2_CID_LINK_FREQ, i - 1, def, |
| 952 | pdata->link_freqs); |
| 953 | v4l2_ctrl_cluster(2, &mt9v032->link_freq); |
| 954 | } |
| 955 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 956 | |
| 957 | mt9v032->subdev.ctrl_handler = &mt9v032->ctrls; |
| 958 | |
| 959 | if (mt9v032->ctrls.error) |
| 960 | printk(KERN_INFO "%s: control initialization error %d\n", |
| 961 | __func__, mt9v032->ctrls.error); |
| 962 | |
| 963 | mt9v032->crop.left = MT9V032_COLUMN_START_DEF; |
| 964 | mt9v032->crop.top = MT9V032_ROW_START_DEF; |
| 965 | mt9v032->crop.width = MT9V032_WINDOW_WIDTH_DEF; |
| 966 | mt9v032->crop.height = MT9V032_WINDOW_HEIGHT_DEF; |
| 967 | |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 968 | if (mt9v032->model->color) |
Boris BREZILLON | f5fe58f | 2014-11-10 14:28:29 -0300 | [diff] [blame] | 969 | mt9v032->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 970 | else |
Boris BREZILLON | f5fe58f | 2014-11-10 14:28:29 -0300 | [diff] [blame] | 971 | mt9v032->format.code = MEDIA_BUS_FMT_Y10_1X10; |
Laurent Pinchart | 220ddc7 | 2013-12-04 15:31:13 -0300 | [diff] [blame] | 972 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 973 | mt9v032->format.width = MT9V032_WINDOW_WIDTH_DEF; |
| 974 | mt9v032->format.height = MT9V032_WINDOW_HEIGHT_DEF; |
| 975 | mt9v032->format.field = V4L2_FIELD_NONE; |
| 976 | mt9v032->format.colorspace = V4L2_COLORSPACE_SRGB; |
| 977 | |
Laurent Pinchart | 637f005 | 2013-12-02 16:39:18 -0300 | [diff] [blame] | 978 | mt9v032->hratio = 1; |
| 979 | mt9v032->vratio = 1; |
| 980 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 981 | mt9v032->aec_agc = MT9V032_AEC_ENABLE | MT9V032_AGC_ENABLE; |
Laurent Pinchart | 9ec670e | 2012-07-23 15:03:34 -0300 | [diff] [blame] | 982 | mt9v032->hblank = MT9V032_HORIZONTAL_BLANKING_DEF; |
Laurent Pinchart | e9a50e4 | 2012-07-26 08:02:50 -0300 | [diff] [blame] | 983 | mt9v032->sysclk = MT9V032_SYSCLK_FREQ_DEF; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 984 | |
| 985 | v4l2_i2c_subdev_init(&mt9v032->subdev, client, &mt9v032_subdev_ops); |
| 986 | mt9v032->subdev.internal_ops = &mt9v032_subdev_internal_ops; |
| 987 | mt9v032->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 988 | |
| 989 | mt9v032->pad.flags = MEDIA_PAD_FL_SOURCE; |
| 990 | ret = media_entity_init(&mt9v032->subdev.entity, 1, &mt9v032->pad, 0); |
Laurent Pinchart | c02b211 | 2013-05-02 08:29:43 -0300 | [diff] [blame] | 991 | if (ret < 0) |
Philipp Zabel | 94b76ce | 2014-06-04 13:57:02 -0300 | [diff] [blame] | 992 | goto err; |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 993 | |
Philipp Zabel | 94b76ce | 2014-06-04 13:57:02 -0300 | [diff] [blame] | 994 | mt9v032->subdev.dev = &client->dev; |
| 995 | ret = v4l2_async_register_subdev(&mt9v032->subdev); |
| 996 | if (ret < 0) |
| 997 | goto err; |
| 998 | |
| 999 | return 0; |
| 1000 | |
| 1001 | err: |
| 1002 | media_entity_cleanup(&mt9v032->subdev.entity); |
| 1003 | v4l2_ctrl_handler_free(&mt9v032->ctrls); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1004 | return ret; |
| 1005 | } |
| 1006 | |
| 1007 | static int mt9v032_remove(struct i2c_client *client) |
| 1008 | { |
| 1009 | struct v4l2_subdev *subdev = i2c_get_clientdata(client); |
| 1010 | struct mt9v032 *mt9v032 = to_mt9v032(subdev); |
| 1011 | |
Philipp Zabel | 94b76ce | 2014-06-04 13:57:02 -0300 | [diff] [blame] | 1012 | v4l2_async_unregister_subdev(subdev); |
Laurent Pinchart | 9462550 | 2013-05-02 08:34:30 -0300 | [diff] [blame] | 1013 | v4l2_ctrl_handler_free(&mt9v032->ctrls); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1014 | v4l2_device_unregister_subdev(subdev); |
| 1015 | media_entity_cleanup(&subdev->entity); |
Laurent Pinchart | 9462550 | 2013-05-02 08:34:30 -0300 | [diff] [blame] | 1016 | |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | static const struct i2c_device_id mt9v032_id[] = { |
Philipp Zabel | d8dde6c | 2014-06-03 06:35:54 -0300 | [diff] [blame] | 1021 | { "mt9v022", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V022_COLOR] }, |
| 1022 | { "mt9v022m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V022_MONO] }, |
| 1023 | { "mt9v024", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V024_COLOR] }, |
| 1024 | { "mt9v024m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V024_MONO] }, |
Laurent Pinchart | daecfeb | 2013-12-02 12:01:03 -0300 | [diff] [blame] | 1025 | { "mt9v032", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V032_COLOR] }, |
| 1026 | { "mt9v032m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V032_MONO] }, |
| 1027 | { "mt9v034", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V034_COLOR] }, |
| 1028 | { "mt9v034m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V034_MONO] }, |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1029 | { } |
| 1030 | }; |
| 1031 | MODULE_DEVICE_TABLE(i2c, mt9v032_id); |
| 1032 | |
| 1033 | static struct i2c_driver mt9v032_driver = { |
| 1034 | .driver = { |
| 1035 | .name = "mt9v032", |
| 1036 | }, |
| 1037 | .probe = mt9v032_probe, |
| 1038 | .remove = mt9v032_remove, |
| 1039 | .id_table = mt9v032_id, |
| 1040 | }; |
| 1041 | |
Axel Lin | c6e8d86 | 2012-02-12 06:56:32 -0300 | [diff] [blame] | 1042 | module_i2c_driver(mt9v032_driver); |
Detlev Casanova | 0f2ce16 | 2011-04-05 09:06:21 -0300 | [diff] [blame] | 1043 | |
| 1044 | MODULE_DESCRIPTION("Aptina MT9V032 Camera driver"); |
| 1045 | MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>"); |
| 1046 | MODULE_LICENSE("GPL"); |