Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for MT9V022 CMOS Image Sensor from Micron |
| 3 | * |
| 4 | * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/videodev2.h> |
| 12 | #include <linux/slab.h> |
| 13 | #include <linux/i2c.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/log2.h> |
| 16 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 17 | #include <media/v4l2-subdev.h> |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 18 | #include <media/v4l2-chip-ident.h> |
| 19 | #include <media/soc_camera.h> |
| 20 | |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 21 | /* |
| 22 | * mt9v022 i2c address 0x48, 0x4c, 0x58, 0x5c |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 23 | * The platform has to define ctruct i2c_board_info objects and link to them |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 24 | * from struct soc_camera_link |
| 25 | */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 26 | |
| 27 | static char *sensor_type; |
| 28 | module_param(sensor_type, charp, S_IRUGO); |
Niels de Vos | 61a2d07 | 2008-07-31 00:07:23 -0700 | [diff] [blame] | 29 | MODULE_PARM_DESC(sensor_type, "Sensor type: \"colour\" or \"monochrome\""); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 30 | |
| 31 | /* mt9v022 selected register addresses */ |
| 32 | #define MT9V022_CHIP_VERSION 0x00 |
| 33 | #define MT9V022_COLUMN_START 0x01 |
| 34 | #define MT9V022_ROW_START 0x02 |
| 35 | #define MT9V022_WINDOW_HEIGHT 0x03 |
| 36 | #define MT9V022_WINDOW_WIDTH 0x04 |
| 37 | #define MT9V022_HORIZONTAL_BLANKING 0x05 |
| 38 | #define MT9V022_VERTICAL_BLANKING 0x06 |
| 39 | #define MT9V022_CHIP_CONTROL 0x07 |
| 40 | #define MT9V022_SHUTTER_WIDTH1 0x08 |
| 41 | #define MT9V022_SHUTTER_WIDTH2 0x09 |
| 42 | #define MT9V022_SHUTTER_WIDTH_CTRL 0x0a |
| 43 | #define MT9V022_TOTAL_SHUTTER_WIDTH 0x0b |
| 44 | #define MT9V022_RESET 0x0c |
| 45 | #define MT9V022_READ_MODE 0x0d |
| 46 | #define MT9V022_MONITOR_MODE 0x0e |
| 47 | #define MT9V022_PIXEL_OPERATION_MODE 0x0f |
| 48 | #define MT9V022_LED_OUT_CONTROL 0x1b |
| 49 | #define MT9V022_ADC_MODE_CONTROL 0x1c |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 50 | #define MT9V022_ANALOG_GAIN 0x35 |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 51 | #define MT9V022_BLACK_LEVEL_CALIB_CTRL 0x47 |
| 52 | #define MT9V022_PIXCLK_FV_LV 0x74 |
| 53 | #define MT9V022_DIGITAL_TEST_PATTERN 0x7f |
| 54 | #define MT9V022_AEC_AGC_ENABLE 0xAF |
| 55 | #define MT9V022_MAX_TOTAL_SHUTTER_WIDTH 0xBD |
| 56 | |
| 57 | /* Progressive scan, master, defaults */ |
| 58 | #define MT9V022_CHIP_CONTROL_DEFAULT 0x188 |
| 59 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 60 | #define MT9V022_MAX_WIDTH 752 |
| 61 | #define MT9V022_MAX_HEIGHT 480 |
| 62 | #define MT9V022_MIN_WIDTH 48 |
| 63 | #define MT9V022_MIN_HEIGHT 32 |
| 64 | #define MT9V022_COLUMN_SKIP 1 |
| 65 | #define MT9V022_ROW_SKIP 4 |
| 66 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 67 | /* MT9V022 has only one fixed colorspace per pixelcode */ |
| 68 | struct mt9v022_datafmt { |
| 69 | enum v4l2_mbus_pixelcode code; |
| 70 | enum v4l2_colorspace colorspace; |
| 71 | }; |
| 72 | |
| 73 | /* Find a data format by a pixel code in an array */ |
| 74 | static const struct mt9v022_datafmt *mt9v022_find_datafmt( |
| 75 | enum v4l2_mbus_pixelcode code, const struct mt9v022_datafmt *fmt, |
| 76 | int n) |
| 77 | { |
| 78 | int i; |
| 79 | for (i = 0; i < n; i++) |
| 80 | if (fmt[i].code == code) |
| 81 | return fmt + i; |
| 82 | |
| 83 | return NULL; |
| 84 | } |
| 85 | |
| 86 | static const struct mt9v022_datafmt mt9v022_colour_fmts[] = { |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 87 | /* |
| 88 | * Order important: first natively supported, |
| 89 | * second supported with a GPIO extender |
| 90 | */ |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 91 | {V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_COLORSPACE_SRGB}, |
| 92 | {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, |
Guennadi Liakhovetski | bb55de3 | 2008-04-22 14:45:13 -0300 | [diff] [blame] | 93 | }; |
| 94 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 95 | static const struct mt9v022_datafmt mt9v022_monochrome_fmts[] = { |
Guennadi Liakhovetski | bb55de3 | 2008-04-22 14:45:13 -0300 | [diff] [blame] | 96 | /* Order important - see above */ |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 97 | {V4L2_MBUS_FMT_Y10_1X10, V4L2_COLORSPACE_JPEG}, |
| 98 | {V4L2_MBUS_FMT_GREY8_1X8, V4L2_COLORSPACE_JPEG}, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | struct mt9v022 { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 102 | struct v4l2_subdev subdev; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 103 | struct v4l2_rect rect; /* Sensor window */ |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 104 | const struct mt9v022_datafmt *fmt; |
| 105 | const struct mt9v022_datafmt *fmts; |
| 106 | int num_fmts; |
Guennadi Liakhovetski | 7fb0fd0 | 2008-05-05 14:12:30 -0300 | [diff] [blame] | 107 | int model; /* V4L2_IDENT_MT9V022* codes from v4l2-chip-ident.h */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 108 | u16 chip_control; |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 109 | unsigned short y_skip_top; /* Lines to skip at the top */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 110 | }; |
| 111 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 112 | static struct mt9v022 *to_mt9v022(const struct i2c_client *client) |
| 113 | { |
| 114 | return container_of(i2c_get_clientdata(client), struct mt9v022, subdev); |
| 115 | } |
| 116 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 117 | static int reg_read(struct i2c_client *client, const u8 reg) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 118 | { |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 119 | s32 data = i2c_smbus_read_word_data(client, reg); |
| 120 | return data < 0 ? data : swab16(data); |
| 121 | } |
| 122 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 123 | static int reg_write(struct i2c_client *client, const u8 reg, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 124 | const u16 data) |
| 125 | { |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 126 | return i2c_smbus_write_word_data(client, reg, swab16(data)); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 127 | } |
| 128 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 129 | static int reg_set(struct i2c_client *client, const u8 reg, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 130 | const u16 data) |
| 131 | { |
| 132 | int ret; |
| 133 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 134 | ret = reg_read(client, reg); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 135 | if (ret < 0) |
| 136 | return ret; |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 137 | return reg_write(client, reg, ret | data); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 138 | } |
| 139 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 140 | static int reg_clear(struct i2c_client *client, const u8 reg, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 141 | const u16 data) |
| 142 | { |
| 143 | int ret; |
| 144 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 145 | ret = reg_read(client, reg); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 146 | if (ret < 0) |
| 147 | return ret; |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 148 | return reg_write(client, reg, ret & ~data); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 149 | } |
| 150 | |
Guennadi Liakhovetski | a4c56fd | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 151 | static int mt9v022_init(struct i2c_client *client) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 152 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 153 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 154 | int ret; |
| 155 | |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 156 | /* |
| 157 | * Almost the default mode: master, parallel, simultaneous, and an |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 158 | * undocumented bit 0x200, which is present in table 7, but not in 8, |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 159 | * plus snapshot mode to disable scan for now |
| 160 | */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 161 | mt9v022->chip_control |= 0x10; |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 162 | ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 163 | if (!ret) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 164 | ret = reg_write(client, MT9V022_READ_MODE, 0x300); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 165 | |
| 166 | /* All defaults */ |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 167 | if (!ret) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 168 | /* AEC, AGC on */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 169 | ret = reg_set(client, MT9V022_AEC_AGC_ENABLE, 0x3); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 170 | if (!ret) |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 171 | ret = reg_write(client, MT9V022_ANALOG_GAIN, 16); |
| 172 | if (!ret) |
| 173 | ret = reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH, 480); |
| 174 | if (!ret) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 175 | ret = reg_write(client, MT9V022_MAX_TOTAL_SHUTTER_WIDTH, 480); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 176 | if (!ret) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 177 | /* default - auto */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 178 | ret = reg_clear(client, MT9V022_BLACK_LEVEL_CALIB_CTRL, 1); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 179 | if (!ret) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 180 | ret = reg_write(client, MT9V022_DIGITAL_TEST_PATTERN, 0); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 181 | |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 182 | return ret; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 183 | } |
| 184 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 185 | static int mt9v022_s_stream(struct v4l2_subdev *sd, int enable) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 186 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 187 | struct i2c_client *client = sd->priv; |
| 188 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Stefan Herbrechtsmeier | 8103466 | 2008-08-14 12:04:11 -0300 | [diff] [blame] | 189 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 190 | if (enable) |
| 191 | /* Switch to master "normal" mode */ |
| 192 | mt9v022->chip_control &= ~0x10; |
| 193 | else |
| 194 | /* Switch to snapshot mode */ |
| 195 | mt9v022->chip_control |= 0x10; |
Stefan Herbrechtsmeier | 8103466 | 2008-08-14 12:04:11 -0300 | [diff] [blame] | 196 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 197 | if (reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control) < 0) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 198 | return -EIO; |
| 199 | return 0; |
| 200 | } |
| 201 | |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 202 | static int mt9v022_set_bus_param(struct soc_camera_device *icd, |
| 203 | unsigned long flags) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 204 | { |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 205 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 206 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 207 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 208 | unsigned int width_flag = flags & SOCAM_DATAWIDTH_MASK; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 209 | int ret; |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 210 | u16 pixclk = 0; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 211 | |
| 212 | /* Only one width bit may be set */ |
| 213 | if (!is_power_of_2(width_flag)) |
| 214 | return -EINVAL; |
| 215 | |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 216 | if (icl->set_bus_param) { |
| 217 | ret = icl->set_bus_param(icl, width_flag); |
| 218 | if (ret) |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 219 | return ret; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 220 | } else { |
| 221 | /* |
| 222 | * Without board specific bus width settings we only support the |
| 223 | * sensors native bus width |
| 224 | */ |
| 225 | if (width_flag != SOCAM_DATAWIDTH_10) |
| 226 | return -EINVAL; |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 227 | } |
| 228 | |
Guennadi Liakhovetski | bd73b36 | 2008-12-23 05:54:45 -0300 | [diff] [blame] | 229 | flags = soc_camera_apply_sensor_flags(icl, flags); |
| 230 | |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 231 | if (flags & SOCAM_PCLK_SAMPLE_RISING) |
| 232 | pixclk |= 0x10; |
| 233 | |
| 234 | if (!(flags & SOCAM_HSYNC_ACTIVE_HIGH)) |
| 235 | pixclk |= 0x1; |
| 236 | |
| 237 | if (!(flags & SOCAM_VSYNC_ACTIVE_HIGH)) |
| 238 | pixclk |= 0x2; |
| 239 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 240 | ret = reg_write(client, MT9V022_PIXCLK_FV_LV, pixclk); |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 241 | if (ret < 0) |
| 242 | return ret; |
| 243 | |
| 244 | if (!(flags & SOCAM_MASTER)) |
| 245 | mt9v022->chip_control &= ~0x8; |
| 246 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 247 | ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control); |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 248 | if (ret < 0) |
| 249 | return ret; |
| 250 | |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 251 | dev_dbg(&client->dev, "Calculated pixclk 0x%x, chip control 0x%x\n", |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 252 | pixclk, mt9v022->chip_control); |
| 253 | |
| 254 | return 0; |
| 255 | } |
| 256 | |
| 257 | static unsigned long mt9v022_query_bus_param(struct soc_camera_device *icd) |
| 258 | { |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 259 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 260 | unsigned int width_flag; |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 261 | |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 262 | if (icl->query_bus_param) |
| 263 | width_flag = icl->query_bus_param(icl) & |
| 264 | SOCAM_DATAWIDTH_MASK; |
| 265 | else |
| 266 | width_flag = SOCAM_DATAWIDTH_10; |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 267 | |
| 268 | return SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING | |
| 269 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW | |
| 270 | SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW | |
Guennadi Liakhovetski | 2d9329f | 2009-02-23 12:12:58 -0300 | [diff] [blame] | 271 | SOCAM_DATA_ACTIVE_HIGH | SOCAM_MASTER | SOCAM_SLAVE | |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 272 | width_flag; |
| 273 | } |
| 274 | |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 275 | static int mt9v022_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 276 | { |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 277 | struct i2c_client *client = sd->priv; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 278 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
| 279 | struct v4l2_rect rect = a->c; |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 280 | int ret; |
| 281 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 282 | /* Bayer format - even size lengths */ |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 283 | if (mt9v022->fmts == mt9v022_colour_fmts) { |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 284 | rect.width = ALIGN(rect.width, 2); |
| 285 | rect.height = ALIGN(rect.height, 2); |
| 286 | /* Let the user play with the starting pixel */ |
| 287 | } |
| 288 | |
| 289 | soc_camera_limit_side(&rect.left, &rect.width, |
| 290 | MT9V022_COLUMN_SKIP, MT9V022_MIN_WIDTH, MT9V022_MAX_WIDTH); |
| 291 | |
| 292 | soc_camera_limit_side(&rect.top, &rect.height, |
| 293 | MT9V022_ROW_SKIP, MT9V022_MIN_HEIGHT, MT9V022_MAX_HEIGHT); |
| 294 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 295 | /* Like in example app. Contradicts the datasheet though */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 296 | ret = reg_read(client, MT9V022_AEC_AGC_ENABLE); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 297 | if (ret >= 0) { |
| 298 | if (ret & 1) /* Autoexposure */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 299 | ret = reg_write(client, MT9V022_MAX_TOTAL_SHUTTER_WIDTH, |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 300 | rect.height + mt9v022->y_skip_top + 43); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 301 | else |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 302 | ret = reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH, |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 303 | rect.height + mt9v022->y_skip_top + 43); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 304 | } |
| 305 | /* Setup frame format: defaults apart from width and height */ |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 306 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 307 | ret = reg_write(client, MT9V022_COLUMN_START, rect.left); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 308 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 309 | ret = reg_write(client, MT9V022_ROW_START, rect.top); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 310 | if (!ret) |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 311 | /* |
| 312 | * Default 94, Phytec driver says: |
| 313 | * "width + horizontal blank >= 660" |
| 314 | */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 315 | ret = reg_write(client, MT9V022_HORIZONTAL_BLANKING, |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 316 | rect.width > 660 - 43 ? 43 : |
| 317 | 660 - rect.width); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 318 | if (!ret) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 319 | ret = reg_write(client, MT9V022_VERTICAL_BLANKING, 45); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 320 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 321 | ret = reg_write(client, MT9V022_WINDOW_WIDTH, rect.width); |
Guennadi Liakhovetski | 1121164 | 2008-08-14 12:03:18 -0300 | [diff] [blame] | 322 | if (!ret) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 323 | ret = reg_write(client, MT9V022_WINDOW_HEIGHT, |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 324 | rect.height + mt9v022->y_skip_top); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 325 | |
| 326 | if (ret < 0) |
| 327 | return ret; |
| 328 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 329 | dev_dbg(&client->dev, "Frame %ux%u pixel\n", rect.width, rect.height); |
| 330 | |
| 331 | mt9v022->rect = rect; |
| 332 | |
| 333 | return 0; |
| 334 | } |
| 335 | |
| 336 | static int mt9v022_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
| 337 | { |
| 338 | struct i2c_client *client = sd->priv; |
| 339 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
| 340 | |
| 341 | a->c = mt9v022->rect; |
| 342 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 343 | |
| 344 | return 0; |
| 345 | } |
| 346 | |
| 347 | static int mt9v022_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) |
| 348 | { |
| 349 | a->bounds.left = MT9V022_COLUMN_SKIP; |
| 350 | a->bounds.top = MT9V022_ROW_SKIP; |
| 351 | a->bounds.width = MT9V022_MAX_WIDTH; |
| 352 | a->bounds.height = MT9V022_MAX_HEIGHT; |
| 353 | a->defrect = a->bounds; |
| 354 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 355 | a->pixelaspect.numerator = 1; |
| 356 | a->pixelaspect.denominator = 1; |
| 357 | |
| 358 | return 0; |
| 359 | } |
| 360 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 361 | static int mt9v022_g_fmt(struct v4l2_subdev *sd, |
| 362 | struct v4l2_mbus_framefmt *mf) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 363 | { |
| 364 | struct i2c_client *client = sd->priv; |
| 365 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 366 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 367 | mf->width = mt9v022->rect.width; |
| 368 | mf->height = mt9v022->rect.height; |
| 369 | mf->code = mt9v022->fmt->code; |
| 370 | mf->colorspace = mt9v022->fmt->colorspace; |
| 371 | mf->field = V4L2_FIELD_NONE; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 372 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 373 | return 0; |
| 374 | } |
| 375 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 376 | static int mt9v022_s_fmt(struct v4l2_subdev *sd, |
| 377 | struct v4l2_mbus_framefmt *mf) |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 378 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 379 | struct i2c_client *client = sd->priv; |
| 380 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 381 | struct v4l2_crop a = { |
| 382 | .c = { |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 383 | .left = mt9v022->rect.left, |
| 384 | .top = mt9v022->rect.top, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 385 | .width = mf->width, |
| 386 | .height = mf->height, |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 387 | }, |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 388 | }; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 389 | int ret; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 390 | |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 391 | /* |
| 392 | * The caller provides a supported format, as verified per call to |
| 393 | * icd->try_fmt(), datawidth is from our supported format list |
| 394 | */ |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 395 | switch (mf->code) { |
| 396 | case V4L2_MBUS_FMT_GREY8_1X8: |
| 397 | case V4L2_MBUS_FMT_Y10_1X10: |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 398 | if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATM) |
| 399 | return -EINVAL; |
| 400 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 401 | case V4L2_MBUS_FMT_SBGGR8_1X8: |
| 402 | case V4L2_MBUS_FMT_SBGGR10_1X10: |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 403 | if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATC) |
| 404 | return -EINVAL; |
| 405 | break; |
| 406 | case 0: |
| 407 | /* No format change, only geometry */ |
| 408 | break; |
| 409 | default: |
| 410 | return -EINVAL; |
| 411 | } |
| 412 | |
| 413 | /* No support for scaling on this camera, just crop. */ |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 414 | ret = mt9v022_s_crop(sd, &a); |
| 415 | if (!ret) { |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 416 | mf->width = mt9v022->rect.width; |
| 417 | mf->height = mt9v022->rect.height; |
| 418 | mt9v022->fmt = mt9v022_find_datafmt(mf->code, |
| 419 | mt9v022->fmts, mt9v022->num_fmts); |
| 420 | mf->colorspace = mt9v022->fmt->colorspace; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | return ret; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 424 | } |
| 425 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 426 | static int mt9v022_try_fmt(struct v4l2_subdev *sd, |
| 427 | struct v4l2_mbus_framefmt *mf) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 428 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 429 | struct i2c_client *client = sd->priv; |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 430 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 431 | const struct mt9v022_datafmt *fmt; |
| 432 | int align = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 433 | mf->code == V4L2_MBUS_FMT_SBGGR10_1X10; |
Guennadi Liakhovetski | 64f5905 | 2008-12-18 11:51:55 -0300 | [diff] [blame] | 434 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 435 | v4l_bound_align_image(&mf->width, MT9V022_MIN_WIDTH, |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 436 | MT9V022_MAX_WIDTH, align, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 437 | &mf->height, MT9V022_MIN_HEIGHT + mt9v022->y_skip_top, |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 438 | MT9V022_MAX_HEIGHT + mt9v022->y_skip_top, align, 0); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 439 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 440 | fmt = mt9v022_find_datafmt(mf->code, mt9v022->fmts, |
| 441 | mt9v022->num_fmts); |
| 442 | if (!fmt) { |
| 443 | fmt = mt9v022->fmt; |
| 444 | mf->code = fmt->code; |
| 445 | } |
| 446 | |
| 447 | mf->colorspace = fmt->colorspace; |
| 448 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 449 | return 0; |
| 450 | } |
| 451 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 452 | static int mt9v022_g_chip_ident(struct v4l2_subdev *sd, |
| 453 | struct v4l2_dbg_chip_ident *id) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 454 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 455 | struct i2c_client *client = sd->priv; |
| 456 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 457 | |
Hans Verkuil | aecde8b | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 458 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 459 | return -EINVAL; |
| 460 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 461 | if (id->match.addr != client->addr) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 462 | return -ENODEV; |
| 463 | |
| 464 | id->ident = mt9v022->model; |
| 465 | id->revision = 0; |
| 466 | |
| 467 | return 0; |
| 468 | } |
| 469 | |
| 470 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 471 | static int mt9v022_g_register(struct v4l2_subdev *sd, |
| 472 | struct v4l2_dbg_register *reg) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 473 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 474 | struct i2c_client *client = sd->priv; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 475 | |
Hans Verkuil | aecde8b | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 476 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0xff) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 477 | return -EINVAL; |
| 478 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 479 | if (reg->match.addr != client->addr) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 480 | return -ENODEV; |
| 481 | |
Hans Verkuil | aecde8b | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 482 | reg->size = 2; |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 483 | reg->val = reg_read(client, reg->reg); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 484 | |
| 485 | if (reg->val > 0xffff) |
| 486 | return -EIO; |
| 487 | |
| 488 | return 0; |
| 489 | } |
| 490 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 491 | static int mt9v022_s_register(struct v4l2_subdev *sd, |
| 492 | struct v4l2_dbg_register *reg) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 493 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 494 | struct i2c_client *client = sd->priv; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 495 | |
Hans Verkuil | aecde8b | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 496 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0xff) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 497 | return -EINVAL; |
| 498 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 499 | if (reg->match.addr != client->addr) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 500 | return -ENODEV; |
| 501 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 502 | if (reg_write(client, reg->reg, reg->val) < 0) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 503 | return -EIO; |
| 504 | |
| 505 | return 0; |
| 506 | } |
| 507 | #endif |
| 508 | |
Adrian Bunk | 4407a46 | 2008-04-28 17:13:51 -0300 | [diff] [blame] | 509 | static const struct v4l2_queryctrl mt9v022_controls[] = { |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 510 | { |
| 511 | .id = V4L2_CID_VFLIP, |
| 512 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 513 | .name = "Flip Vertically", |
| 514 | .minimum = 0, |
| 515 | .maximum = 1, |
| 516 | .step = 1, |
| 517 | .default_value = 0, |
| 518 | }, { |
| 519 | .id = V4L2_CID_HFLIP, |
| 520 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 521 | .name = "Flip Horizontally", |
| 522 | .minimum = 0, |
| 523 | .maximum = 1, |
| 524 | .step = 1, |
| 525 | .default_value = 0, |
| 526 | }, { |
| 527 | .id = V4L2_CID_GAIN, |
| 528 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 529 | .name = "Analog Gain", |
| 530 | .minimum = 64, |
| 531 | .maximum = 127, |
| 532 | .step = 1, |
| 533 | .default_value = 64, |
| 534 | .flags = V4L2_CTRL_FLAG_SLIDER, |
| 535 | }, { |
| 536 | .id = V4L2_CID_EXPOSURE, |
| 537 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 538 | .name = "Exposure", |
| 539 | .minimum = 1, |
| 540 | .maximum = 255, |
| 541 | .step = 1, |
| 542 | .default_value = 255, |
| 543 | .flags = V4L2_CTRL_FLAG_SLIDER, |
| 544 | }, { |
| 545 | .id = V4L2_CID_AUTOGAIN, |
| 546 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 547 | .name = "Automatic Gain", |
| 548 | .minimum = 0, |
| 549 | .maximum = 1, |
| 550 | .step = 1, |
| 551 | .default_value = 1, |
| 552 | }, { |
| 553 | .id = V4L2_CID_EXPOSURE_AUTO, |
| 554 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 555 | .name = "Automatic Exposure", |
| 556 | .minimum = 0, |
| 557 | .maximum = 1, |
| 558 | .step = 1, |
| 559 | .default_value = 1, |
| 560 | } |
| 561 | }; |
| 562 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 563 | static struct soc_camera_ops mt9v022_ops = { |
Guennadi Liakhovetski | ad5f2e8 | 2008-03-07 21:57:18 -0300 | [diff] [blame] | 564 | .set_bus_param = mt9v022_set_bus_param, |
| 565 | .query_bus_param = mt9v022_query_bus_param, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 566 | .controls = mt9v022_controls, |
| 567 | .num_controls = ARRAY_SIZE(mt9v022_controls), |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 568 | }; |
| 569 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 570 | static int mt9v022_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 571 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 572 | struct i2c_client *client = sd->priv; |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 573 | const struct v4l2_queryctrl *qctrl; |
| 574 | unsigned long range; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 575 | int data; |
| 576 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 577 | qctrl = soc_camera_find_qctrl(&mt9v022_ops, ctrl->id); |
| 578 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 579 | switch (ctrl->id) { |
| 580 | case V4L2_CID_VFLIP: |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 581 | data = reg_read(client, MT9V022_READ_MODE); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 582 | if (data < 0) |
| 583 | return -EIO; |
| 584 | ctrl->value = !!(data & 0x10); |
| 585 | break; |
| 586 | case V4L2_CID_HFLIP: |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 587 | data = reg_read(client, MT9V022_READ_MODE); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 588 | if (data < 0) |
| 589 | return -EIO; |
| 590 | ctrl->value = !!(data & 0x20); |
| 591 | break; |
| 592 | case V4L2_CID_EXPOSURE_AUTO: |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 593 | data = reg_read(client, MT9V022_AEC_AGC_ENABLE); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 594 | if (data < 0) |
| 595 | return -EIO; |
| 596 | ctrl->value = !!(data & 0x1); |
| 597 | break; |
| 598 | case V4L2_CID_AUTOGAIN: |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 599 | data = reg_read(client, MT9V022_AEC_AGC_ENABLE); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 600 | if (data < 0) |
| 601 | return -EIO; |
| 602 | ctrl->value = !!(data & 0x2); |
| 603 | break; |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 604 | case V4L2_CID_GAIN: |
| 605 | data = reg_read(client, MT9V022_ANALOG_GAIN); |
| 606 | if (data < 0) |
| 607 | return -EIO; |
| 608 | |
| 609 | range = qctrl->maximum - qctrl->minimum; |
| 610 | ctrl->value = ((data - 16) * range + 24) / 48 + qctrl->minimum; |
| 611 | |
| 612 | break; |
| 613 | case V4L2_CID_EXPOSURE: |
| 614 | data = reg_read(client, MT9V022_TOTAL_SHUTTER_WIDTH); |
| 615 | if (data < 0) |
| 616 | return -EIO; |
| 617 | |
| 618 | range = qctrl->maximum - qctrl->minimum; |
| 619 | ctrl->value = ((data - 1) * range + 239) / 479 + qctrl->minimum; |
| 620 | |
| 621 | break; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 622 | } |
| 623 | return 0; |
| 624 | } |
| 625 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 626 | static int mt9v022_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 627 | { |
| 628 | int data; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 629 | struct i2c_client *client = sd->priv; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 630 | const struct v4l2_queryctrl *qctrl; |
| 631 | |
| 632 | qctrl = soc_camera_find_qctrl(&mt9v022_ops, ctrl->id); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 633 | if (!qctrl) |
| 634 | return -EINVAL; |
| 635 | |
| 636 | switch (ctrl->id) { |
| 637 | case V4L2_CID_VFLIP: |
| 638 | if (ctrl->value) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 639 | data = reg_set(client, MT9V022_READ_MODE, 0x10); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 640 | else |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 641 | data = reg_clear(client, MT9V022_READ_MODE, 0x10); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 642 | if (data < 0) |
| 643 | return -EIO; |
| 644 | break; |
| 645 | case V4L2_CID_HFLIP: |
| 646 | if (ctrl->value) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 647 | data = reg_set(client, MT9V022_READ_MODE, 0x20); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 648 | else |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 649 | data = reg_clear(client, MT9V022_READ_MODE, 0x20); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 650 | if (data < 0) |
| 651 | return -EIO; |
| 652 | break; |
| 653 | case V4L2_CID_GAIN: |
| 654 | /* mt9v022 has minimum == default */ |
| 655 | if (ctrl->value > qctrl->maximum || ctrl->value < qctrl->minimum) |
| 656 | return -EINVAL; |
| 657 | else { |
| 658 | unsigned long range = qctrl->maximum - qctrl->minimum; |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 659 | /* Valid values 16 to 64, 32 to 64 must be even. */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 660 | unsigned long gain = ((ctrl->value - qctrl->minimum) * |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 661 | 48 + range / 2) / range + 16; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 662 | if (gain >= 32) |
| 663 | gain &= ~1; |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 664 | /* |
| 665 | * The user wants to set gain manually, hope, she |
| 666 | * knows, what she's doing... Switch AGC off. |
| 667 | */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 668 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 669 | if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x2) < 0) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 670 | return -EIO; |
| 671 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 672 | dev_dbg(&client->dev, "Setting gain from %d to %lu\n", |
| 673 | reg_read(client, MT9V022_ANALOG_GAIN), gain); |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 674 | if (reg_write(client, MT9V022_ANALOG_GAIN, gain) < 0) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 675 | return -EIO; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 676 | } |
| 677 | break; |
| 678 | case V4L2_CID_EXPOSURE: |
| 679 | /* mt9v022 has maximum == default */ |
| 680 | if (ctrl->value > qctrl->maximum || ctrl->value < qctrl->minimum) |
| 681 | return -EINVAL; |
| 682 | else { |
| 683 | unsigned long range = qctrl->maximum - qctrl->minimum; |
| 684 | unsigned long shutter = ((ctrl->value - qctrl->minimum) * |
| 685 | 479 + range / 2) / range + 1; |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 686 | /* |
| 687 | * The user wants to set shutter width manually, hope, |
| 688 | * she knows, what she's doing... Switch AEC off. |
| 689 | */ |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 690 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 691 | if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x1) < 0) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 692 | return -EIO; |
| 693 | |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 694 | dev_dbg(&client->dev, "Shutter width from %d to %lu\n", |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 695 | reg_read(client, MT9V022_TOTAL_SHUTTER_WIDTH), |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 696 | shutter); |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 697 | if (reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 698 | shutter) < 0) |
| 699 | return -EIO; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 700 | } |
| 701 | break; |
| 702 | case V4L2_CID_AUTOGAIN: |
| 703 | if (ctrl->value) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 704 | data = reg_set(client, MT9V022_AEC_AGC_ENABLE, 0x2); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 705 | else |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 706 | data = reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x2); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 707 | if (data < 0) |
| 708 | return -EIO; |
| 709 | break; |
| 710 | case V4L2_CID_EXPOSURE_AUTO: |
| 711 | if (ctrl->value) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 712 | data = reg_set(client, MT9V022_AEC_AGC_ENABLE, 0x1); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 713 | else |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 714 | data = reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x1); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 715 | if (data < 0) |
| 716 | return -EIO; |
| 717 | break; |
| 718 | } |
| 719 | return 0; |
| 720 | } |
| 721 | |
Guennadi Liakhovetski | 5d28d52 | 2009-12-11 11:15:05 -0300 | [diff] [blame] | 722 | /* |
| 723 | * Interface active, can use i2c. If it fails, it can indeed mean, that |
| 724 | * this wasn't our capture interface, so, we wait for the right one |
| 725 | */ |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 726 | static int mt9v022_video_probe(struct soc_camera_device *icd, |
| 727 | struct i2c_client *client) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 728 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 729 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 730 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 731 | s32 data; |
| 732 | int ret; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 733 | unsigned long flags; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 734 | |
| 735 | if (!icd->dev.parent || |
| 736 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) |
| 737 | return -ENODEV; |
| 738 | |
| 739 | /* Read out the chip version register */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 740 | data = reg_read(client, MT9V022_CHIP_VERSION); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 741 | |
| 742 | /* must be 0x1311 or 0x1313 */ |
| 743 | if (data != 0x1311 && data != 0x1313) { |
| 744 | ret = -ENODEV; |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 745 | dev_info(&client->dev, "No MT9V022 found, ID register 0x%x\n", |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 746 | data); |
| 747 | goto ei2c; |
| 748 | } |
| 749 | |
| 750 | /* Soft reset */ |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 751 | ret = reg_write(client, MT9V022_RESET, 1); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 752 | if (ret < 0) |
| 753 | goto ei2c; |
| 754 | /* 15 clock cycles */ |
| 755 | udelay(200); |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 756 | if (reg_read(client, MT9V022_RESET)) { |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 757 | dev_err(&client->dev, "Resetting MT9V022 failed!\n"); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 758 | if (ret > 0) |
| 759 | ret = -EIO; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 760 | goto ei2c; |
| 761 | } |
| 762 | |
| 763 | /* Set monochrome or colour sensor type */ |
| 764 | if (sensor_type && (!strcmp("colour", sensor_type) || |
| 765 | !strcmp("color", sensor_type))) { |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 766 | ret = reg_write(client, MT9V022_PIXEL_OPERATION_MODE, 4 | 0x11); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 767 | mt9v022->model = V4L2_IDENT_MT9V022IX7ATC; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 768 | mt9v022->fmts = mt9v022_colour_fmts; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 769 | } else { |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 770 | ret = reg_write(client, MT9V022_PIXEL_OPERATION_MODE, 0x11); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 771 | mt9v022->model = V4L2_IDENT_MT9V022IX7ATM; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 772 | mt9v022->fmts = mt9v022_monochrome_fmts; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 773 | } |
| 774 | |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 775 | if (ret < 0) |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 776 | goto ei2c; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 777 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 778 | mt9v022->num_fmts = 0; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 779 | |
| 780 | /* |
| 781 | * This is a 10bit sensor, so by default we only allow 10bit. |
| 782 | * The platform may support different bus widths due to |
| 783 | * different routing of the data lines. |
| 784 | */ |
| 785 | if (icl->query_bus_param) |
| 786 | flags = icl->query_bus_param(icl); |
| 787 | else |
| 788 | flags = SOCAM_DATAWIDTH_10; |
| 789 | |
| 790 | if (flags & SOCAM_DATAWIDTH_10) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 791 | mt9v022->num_fmts++; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 792 | else |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 793 | mt9v022->fmts++; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 794 | |
| 795 | if (flags & SOCAM_DATAWIDTH_8) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 796 | mt9v022->num_fmts++; |
Sascha Hauer | e958e27 | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 797 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 798 | mt9v022->fmt = &mt9v022->fmts[0]; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 799 | |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 800 | dev_info(&client->dev, "Detected a MT9V022 chip ID %x, %s sensor\n", |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 801 | data, mt9v022->model == V4L2_IDENT_MT9V022IX7ATM ? |
| 802 | "monochrome" : "colour"); |
| 803 | |
Guennadi Liakhovetski | a4c56fd | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 804 | ret = mt9v022_init(client); |
| 805 | if (ret < 0) |
| 806 | dev_err(&client->dev, "Failed to initialise the camera\n"); |
| 807 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 808 | ei2c: |
| 809 | return ret; |
| 810 | } |
| 811 | |
| 812 | static void mt9v022_video_remove(struct soc_camera_device *icd) |
| 813 | { |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 814 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 815 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 816 | dev_dbg(&icd->dev, "Video removed: %p, %p\n", |
Guennadi Liakhovetski | a85bdac | 2008-12-18 12:54:33 -0300 | [diff] [blame] | 817 | icd->dev.parent, icd->vdev); |
Guennadi Liakhovetski | 594bb46 | 2009-04-24 12:53:51 -0300 | [diff] [blame] | 818 | if (icl->free_bus) |
| 819 | icl->free_bus(icl); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 820 | } |
| 821 | |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 822 | static int mt9v022_g_skip_top_lines(struct v4l2_subdev *sd, u32 *lines) |
| 823 | { |
| 824 | struct i2c_client *client = sd->priv; |
| 825 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
| 826 | |
| 827 | *lines = mt9v022->y_skip_top; |
| 828 | |
| 829 | return 0; |
| 830 | } |
| 831 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 832 | static struct v4l2_subdev_core_ops mt9v022_subdev_core_ops = { |
| 833 | .g_ctrl = mt9v022_g_ctrl, |
| 834 | .s_ctrl = mt9v022_s_ctrl, |
| 835 | .g_chip_ident = mt9v022_g_chip_ident, |
| 836 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 837 | .g_register = mt9v022_g_register, |
| 838 | .s_register = mt9v022_s_register, |
| 839 | #endif |
| 840 | }; |
| 841 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 842 | static int mt9v022_enum_fmt(struct v4l2_subdev *sd, int index, |
| 843 | enum v4l2_mbus_pixelcode *code) |
| 844 | { |
| 845 | struct i2c_client *client = sd->priv; |
| 846 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
| 847 | |
| 848 | if ((unsigned int)index >= mt9v022->num_fmts) |
| 849 | return -EINVAL; |
| 850 | |
| 851 | *code = mt9v022->fmts[index].code; |
| 852 | return 0; |
| 853 | } |
| 854 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 855 | static struct v4l2_subdev_video_ops mt9v022_subdev_video_ops = { |
| 856 | .s_stream = mt9v022_s_stream, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 857 | .s_mbus_fmt = mt9v022_s_fmt, |
| 858 | .g_mbus_fmt = mt9v022_g_fmt, |
| 859 | .try_mbus_fmt = mt9v022_try_fmt, |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 860 | .s_crop = mt9v022_s_crop, |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 861 | .g_crop = mt9v022_g_crop, |
| 862 | .cropcap = mt9v022_cropcap, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame^] | 863 | .enum_mbus_fmt = mt9v022_enum_fmt, |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 864 | }; |
| 865 | |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 866 | static struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = { |
| 867 | .g_skip_top_lines = mt9v022_g_skip_top_lines, |
| 868 | }; |
| 869 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 870 | static struct v4l2_subdev_ops mt9v022_subdev_ops = { |
| 871 | .core = &mt9v022_subdev_core_ops, |
| 872 | .video = &mt9v022_subdev_video_ops, |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 873 | .sensor = &mt9v022_subdev_sensor_ops, |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 874 | }; |
| 875 | |
Jean Delvare | d2653e9 | 2008-04-29 23:11:39 +0200 | [diff] [blame] | 876 | static int mt9v022_probe(struct i2c_client *client, |
| 877 | const struct i2c_device_id *did) |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 878 | { |
| 879 | struct mt9v022 *mt9v022; |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 880 | struct soc_camera_device *icd = client->dev.platform_data; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 881 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 882 | struct soc_camera_link *icl; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 883 | int ret; |
| 884 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 885 | if (!icd) { |
| 886 | dev_err(&client->dev, "MT9V022: missing soc-camera data!\n"); |
| 887 | return -EINVAL; |
| 888 | } |
| 889 | |
| 890 | icl = to_soc_camera_link(icd); |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 891 | if (!icl) { |
| 892 | dev_err(&client->dev, "MT9V022 driver needs platform data\n"); |
| 893 | return -EINVAL; |
| 894 | } |
| 895 | |
| 896 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { |
| 897 | dev_warn(&adapter->dev, |
| 898 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); |
| 899 | return -EIO; |
| 900 | } |
| 901 | |
| 902 | mt9v022 = kzalloc(sizeof(struct mt9v022), GFP_KERNEL); |
| 903 | if (!mt9v022) |
| 904 | return -ENOMEM; |
| 905 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 906 | v4l2_i2c_subdev_init(&mt9v022->subdev, client, &mt9v022_subdev_ops); |
| 907 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 908 | mt9v022->chip_control = MT9V022_CHIP_CONTROL_DEFAULT; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 909 | |
Guennadi Liakhovetski | a0705b0 | 2009-08-25 11:46:17 -0300 | [diff] [blame] | 910 | icd->ops = &mt9v022_ops; |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 911 | /* |
| 912 | * MT9V022 _really_ corrupts the first read out line. |
| 913 | * TODO: verify on i.MX31 |
| 914 | */ |
Guennadi Liakhovetski | 3253610 | 2009-12-11 11:14:46 -0300 | [diff] [blame] | 915 | mt9v022->y_skip_top = 1; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 916 | mt9v022->rect.left = MT9V022_COLUMN_SKIP; |
| 917 | mt9v022->rect.top = MT9V022_ROW_SKIP; |
| 918 | mt9v022->rect.width = MT9V022_MAX_WIDTH; |
| 919 | mt9v022->rect.height = MT9V022_MAX_HEIGHT; |
| 920 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 921 | ret = mt9v022_video_probe(icd, client); |
| 922 | if (ret) { |
| 923 | icd->ops = NULL; |
| 924 | i2c_set_clientdata(client, NULL); |
| 925 | kfree(mt9v022); |
| 926 | } |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 927 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 928 | return ret; |
| 929 | } |
| 930 | |
| 931 | static int mt9v022_remove(struct i2c_client *client) |
| 932 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 933 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 934 | struct soc_camera_device *icd = client->dev.platform_data; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 935 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 936 | icd->ops = NULL; |
| 937 | mt9v022_video_remove(icd); |
| 938 | i2c_set_clientdata(client, NULL); |
| 939 | client->driver = NULL; |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 940 | kfree(mt9v022); |
| 941 | |
| 942 | return 0; |
| 943 | } |
Jean Delvare | 3760f73 | 2008-04-29 23:11:40 +0200 | [diff] [blame] | 944 | static const struct i2c_device_id mt9v022_id[] = { |
| 945 | { "mt9v022", 0 }, |
| 946 | { } |
| 947 | }; |
| 948 | MODULE_DEVICE_TABLE(i2c, mt9v022_id); |
| 949 | |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 950 | static struct i2c_driver mt9v022_i2c_driver = { |
| 951 | .driver = { |
| 952 | .name = "mt9v022", |
| 953 | }, |
| 954 | .probe = mt9v022_probe, |
| 955 | .remove = mt9v022_remove, |
Jean Delvare | 3760f73 | 2008-04-29 23:11:40 +0200 | [diff] [blame] | 956 | .id_table = mt9v022_id, |
Guennadi Liakhovetski | 7397bfbe | 2008-04-22 14:42:04 -0300 | [diff] [blame] | 957 | }; |
| 958 | |
| 959 | static int __init mt9v022_mod_init(void) |
| 960 | { |
| 961 | return i2c_add_driver(&mt9v022_i2c_driver); |
| 962 | } |
| 963 | |
| 964 | static void __exit mt9v022_mod_exit(void) |
| 965 | { |
| 966 | i2c_del_driver(&mt9v022_i2c_driver); |
| 967 | } |
| 968 | |
| 969 | module_init(mt9v022_mod_init); |
| 970 | module_exit(mt9v022_mod_exit); |
| 971 | |
| 972 | MODULE_DESCRIPTION("Micron MT9V022 Camera driver"); |
| 973 | MODULE_AUTHOR("Guennadi Liakhovetski <kernel@pengutronix.de>"); |
| 974 | MODULE_LICENSE("GPL"); |