Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1 | /* |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 2 | * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #include <linux/videodev2.h> |
| 11 | #include <linux/slab.h> |
| 12 | #include <linux/i2c.h> |
| 13 | #include <linux/log2.h> |
| 14 | #include <linux/gpio.h> |
| 15 | #include <linux/delay.h> |
| 16 | |
| 17 | #include <media/v4l2-common.h> |
| 18 | #include <media/v4l2-chip-ident.h> |
| 19 | #include <media/soc_camera.h> |
| 20 | |
| 21 | /* |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 22 | * MT9M111, MT9M112 and MT9M131: |
| 23 | * i2c address is 0x48 or 0x5d (depending on SADDR pin) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 24 | * The platform has to define i2c_board_info and call i2c_register_board_info() |
| 25 | */ |
| 26 | |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 27 | /* |
| 28 | * Sensor core register addresses (0x000..0x0ff) |
| 29 | */ |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 30 | #define MT9M111_CHIP_VERSION 0x000 |
| 31 | #define MT9M111_ROW_START 0x001 |
| 32 | #define MT9M111_COLUMN_START 0x002 |
| 33 | #define MT9M111_WINDOW_HEIGHT 0x003 |
| 34 | #define MT9M111_WINDOW_WIDTH 0x004 |
| 35 | #define MT9M111_HORIZONTAL_BLANKING_B 0x005 |
| 36 | #define MT9M111_VERTICAL_BLANKING_B 0x006 |
| 37 | #define MT9M111_HORIZONTAL_BLANKING_A 0x007 |
| 38 | #define MT9M111_VERTICAL_BLANKING_A 0x008 |
| 39 | #define MT9M111_SHUTTER_WIDTH 0x009 |
| 40 | #define MT9M111_ROW_SPEED 0x00a |
| 41 | #define MT9M111_EXTRA_DELAY 0x00b |
| 42 | #define MT9M111_SHUTTER_DELAY 0x00c |
| 43 | #define MT9M111_RESET 0x00d |
| 44 | #define MT9M111_READ_MODE_B 0x020 |
| 45 | #define MT9M111_READ_MODE_A 0x021 |
| 46 | #define MT9M111_FLASH_CONTROL 0x023 |
| 47 | #define MT9M111_GREEN1_GAIN 0x02b |
| 48 | #define MT9M111_BLUE_GAIN 0x02c |
| 49 | #define MT9M111_RED_GAIN 0x02d |
| 50 | #define MT9M111_GREEN2_GAIN 0x02e |
| 51 | #define MT9M111_GLOBAL_GAIN 0x02f |
| 52 | #define MT9M111_CONTEXT_CONTROL 0x0c8 |
| 53 | #define MT9M111_PAGE_MAP 0x0f0 |
| 54 | #define MT9M111_BYTE_WISE_ADDR 0x0f1 |
| 55 | |
| 56 | #define MT9M111_RESET_SYNC_CHANGES (1 << 15) |
| 57 | #define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9) |
| 58 | #define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8) |
| 59 | #define MT9M111_RESET_RESET_SOC (1 << 5) |
| 60 | #define MT9M111_RESET_OUTPUT_DISABLE (1 << 4) |
| 61 | #define MT9M111_RESET_CHIP_ENABLE (1 << 3) |
| 62 | #define MT9M111_RESET_ANALOG_STANDBY (1 << 2) |
| 63 | #define MT9M111_RESET_RESTART_FRAME (1 << 1) |
| 64 | #define MT9M111_RESET_RESET_MODE (1 << 0) |
| 65 | |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 66 | #define MT9M111_RM_FULL_POWER_RD (0 << 10) |
| 67 | #define MT9M111_RM_LOW_POWER_RD (1 << 10) |
| 68 | #define MT9M111_RM_COL_SKIP_4X (1 << 5) |
| 69 | #define MT9M111_RM_ROW_SKIP_4X (1 << 4) |
| 70 | #define MT9M111_RM_COL_SKIP_2X (1 << 3) |
| 71 | #define MT9M111_RM_ROW_SKIP_2X (1 << 2) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 72 | #define MT9M111_RMB_MIRROR_COLS (1 << 1) |
| 73 | #define MT9M111_RMB_MIRROR_ROWS (1 << 0) |
| 74 | #define MT9M111_CTXT_CTRL_RESTART (1 << 15) |
| 75 | #define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12) |
| 76 | #define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10) |
| 77 | #define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9) |
| 78 | #define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8) |
| 79 | #define MT9M111_CTXT_CTRL_XENON_EN (1 << 7) |
| 80 | #define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3) |
| 81 | #define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) |
| 82 | #define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) |
| 83 | #define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 84 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 85 | /* |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 86 | * Colorpipe register addresses (0x100..0x1ff) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 87 | */ |
| 88 | #define MT9M111_OPER_MODE_CTRL 0x106 |
| 89 | #define MT9M111_OUTPUT_FORMAT_CTRL 0x108 |
| 90 | #define MT9M111_REDUCER_XZOOM_B 0x1a0 |
| 91 | #define MT9M111_REDUCER_XSIZE_B 0x1a1 |
| 92 | #define MT9M111_REDUCER_YZOOM_B 0x1a3 |
| 93 | #define MT9M111_REDUCER_YSIZE_B 0x1a4 |
| 94 | #define MT9M111_REDUCER_XZOOM_A 0x1a6 |
| 95 | #define MT9M111_REDUCER_XSIZE_A 0x1a7 |
| 96 | #define MT9M111_REDUCER_YZOOM_A 0x1a9 |
| 97 | #define MT9M111_REDUCER_YSIZE_A 0x1aa |
| 98 | |
| 99 | #define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a |
| 100 | #define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b |
| 101 | |
| 102 | #define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 103 | #define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1) |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 104 | #define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9) |
| 105 | #define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 106 | #define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) |
| 107 | #define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) |
| 108 | #define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9) |
| 109 | #define MT9M111_OUTFMT_RGB (1 << 8) |
Michael Grzeschik | ec73365 | 2010-08-03 07:57:41 -0300 | [diff] [blame] | 110 | #define MT9M111_OUTFMT_RGB565 (0 << 6) |
| 111 | #define MT9M111_OUTFMT_RGB555 (1 << 6) |
| 112 | #define MT9M111_OUTFMT_RGB444x (2 << 6) |
| 113 | #define MT9M111_OUTFMT_RGBx444 (3 << 6) |
| 114 | #define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4) |
| 115 | #define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4) |
| 116 | #define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4) |
| 117 | #define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 118 | #define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3) |
| 119 | #define MT9M111_OUTFMT_AVG_CHROMA (1 << 2) |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 120 | #define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1) |
| 121 | #define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0) |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 122 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 123 | /* |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 124 | * Camera control register addresses (0x200..0x2ff not implemented) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 125 | */ |
| 126 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 127 | #define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) |
| 128 | #define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val)) |
| 129 | #define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val)) |
| 130 | #define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val)) |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 131 | #define reg_mask(reg, val, mask) mt9m111_reg_mask(client, MT9M111_##reg, \ |
| 132 | (val), (mask)) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 133 | |
| 134 | #define MT9M111_MIN_DARK_ROWS 8 |
Michael Grzeschik | 669470a | 2010-08-03 07:57:43 -0300 | [diff] [blame] | 135 | #define MT9M111_MIN_DARK_COLS 26 |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 136 | #define MT9M111_MAX_HEIGHT 1024 |
| 137 | #define MT9M111_MAX_WIDTH 1280 |
| 138 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 139 | /* MT9M111 has only one fixed colorspace per pixelcode */ |
| 140 | struct mt9m111_datafmt { |
| 141 | enum v4l2_mbus_pixelcode code; |
| 142 | enum v4l2_colorspace colorspace; |
| 143 | }; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 144 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 145 | /* Find a data format by a pixel code in an array */ |
| 146 | static const struct mt9m111_datafmt *mt9m111_find_datafmt( |
| 147 | enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt, |
| 148 | int n) |
| 149 | { |
| 150 | int i; |
| 151 | for (i = 0; i < n; i++) |
| 152 | if (fmt[i].code == code) |
| 153 | return fmt + i; |
| 154 | |
| 155 | return NULL; |
| 156 | } |
| 157 | |
| 158 | static const struct mt9m111_datafmt mt9m111_colour_fmts[] = { |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 159 | {V4L2_MBUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG}, |
| 160 | {V4L2_MBUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG}, |
| 161 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, |
| 162 | {V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG}, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 163 | {V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 164 | {V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB}, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 165 | {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 166 | {V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB}, |
| 167 | {V4L2_MBUS_FMT_BGR565_2X8_LE, V4L2_COLORSPACE_SRGB}, |
| 168 | {V4L2_MBUS_FMT_BGR565_2X8_BE, V4L2_COLORSPACE_SRGB}, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 169 | {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, |
| 170 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 171 | }; |
| 172 | |
| 173 | enum mt9m111_context { |
| 174 | HIGHPOWER = 0, |
| 175 | LOWPOWER, |
| 176 | }; |
| 177 | |
| 178 | struct mt9m111 { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 179 | struct v4l2_subdev subdev; |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 180 | int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code |
| 181 | * from v4l2-chip-ident.h */ |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 182 | enum mt9m111_context context; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 183 | struct v4l2_rect rect; |
Guennadi Liakhovetski | 14c5ea9 | 2011-06-05 08:27:39 -0300 | [diff] [blame] | 184 | struct mutex power_lock; /* lock to protect power_count */ |
| 185 | int power_count; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 186 | const struct mt9m111_datafmt *fmt; |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 187 | unsigned int gain; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 188 | unsigned char autoexposure; |
| 189 | unsigned char datawidth; |
| 190 | unsigned int powered:1; |
| 191 | unsigned int hflip:1; |
| 192 | unsigned int vflip:1; |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 193 | unsigned int autowhitebalance:1; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 194 | }; |
| 195 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 196 | static struct mt9m111 *to_mt9m111(const struct i2c_client *client) |
| 197 | { |
| 198 | return container_of(i2c_get_clientdata(client), struct mt9m111, subdev); |
| 199 | } |
| 200 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 201 | static int reg_page_map_set(struct i2c_client *client, const u16 reg) |
| 202 | { |
| 203 | int ret; |
| 204 | u16 page; |
| 205 | static int lastpage = -1; /* PageMap cache value */ |
| 206 | |
| 207 | page = (reg >> 8); |
| 208 | if (page == lastpage) |
| 209 | return 0; |
| 210 | if (page > 2) |
| 211 | return -EINVAL; |
| 212 | |
| 213 | ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 214 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 215 | lastpage = page; |
| 216 | return ret; |
| 217 | } |
| 218 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 219 | static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 220 | { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 221 | int ret; |
| 222 | |
| 223 | ret = reg_page_map_set(client, reg); |
| 224 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 225 | ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff)); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 226 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 227 | dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 228 | return ret; |
| 229 | } |
| 230 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 231 | static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 232 | const u16 data) |
| 233 | { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 234 | int ret; |
| 235 | |
| 236 | ret = reg_page_map_set(client, reg); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 237 | if (!ret) |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 238 | ret = i2c_smbus_write_word_data(client, reg & 0xff, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 239 | swab16(data)); |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 240 | dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 241 | return ret; |
| 242 | } |
| 243 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 244 | static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 245 | const u16 data) |
| 246 | { |
| 247 | int ret; |
| 248 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 249 | ret = mt9m111_reg_read(client, reg); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 250 | if (ret >= 0) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 251 | ret = mt9m111_reg_write(client, reg, ret | data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 252 | return ret; |
| 253 | } |
| 254 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 255 | static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 256 | const u16 data) |
| 257 | { |
| 258 | int ret; |
| 259 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 260 | ret = mt9m111_reg_read(client, reg); |
Michael Grzeschik | 9c56cbf | 2011-07-12 12:39:03 -0300 | [diff] [blame] | 261 | if (ret >= 0) |
| 262 | ret = mt9m111_reg_write(client, reg, ret & ~data); |
| 263 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 264 | } |
| 265 | |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 266 | static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg, |
| 267 | const u16 data, const u16 mask) |
| 268 | { |
| 269 | int ret; |
| 270 | |
| 271 | ret = mt9m111_reg_read(client, reg); |
| 272 | if (ret >= 0) |
| 273 | ret = mt9m111_reg_write(client, reg, (ret & ~mask) | data); |
| 274 | return ret; |
| 275 | } |
| 276 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 277 | static int mt9m111_set_context(struct mt9m111 *mt9m111, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 278 | enum mt9m111_context ctxt) |
| 279 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 280 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 281 | int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B |
| 282 | | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B |
| 283 | | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B |
| 284 | | MT9M111_CTXT_CTRL_VBLANK_SEL_B |
| 285 | | MT9M111_CTXT_CTRL_HBLANK_SEL_B; |
| 286 | int valA = MT9M111_CTXT_CTRL_RESTART; |
| 287 | |
| 288 | if (ctxt == HIGHPOWER) |
| 289 | return reg_write(CONTEXT_CONTROL, valB); |
| 290 | else |
| 291 | return reg_write(CONTEXT_CONTROL, valA); |
| 292 | } |
| 293 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 294 | static int mt9m111_setup_rect(struct mt9m111 *mt9m111, |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 295 | struct v4l2_rect *rect) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 296 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 297 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 298 | int ret, is_raw_format; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 299 | int width = rect->width; |
| 300 | int height = rect->height; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 301 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 302 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 303 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 304 | is_raw_format = 1; |
| 305 | else |
| 306 | is_raw_format = 0; |
| 307 | |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 308 | ret = reg_write(COLUMN_START, rect->left); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 309 | if (!ret) |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 310 | ret = reg_write(ROW_START, rect->top); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 311 | |
| 312 | if (is_raw_format) { |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 313 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 314 | ret = reg_write(WINDOW_WIDTH, width); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 315 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 316 | ret = reg_write(WINDOW_HEIGHT, height); |
| 317 | } else { |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 318 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 319 | ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 320 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 321 | ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 322 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 323 | ret = reg_write(REDUCER_XSIZE_B, width); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 324 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 325 | ret = reg_write(REDUCER_YSIZE_B, height); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 326 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 327 | ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 328 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 329 | ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 330 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 331 | ret = reg_write(REDUCER_XSIZE_A, width); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 332 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 333 | ret = reg_write(REDUCER_YSIZE_A, height); |
| 334 | } |
| 335 | |
| 336 | return ret; |
| 337 | } |
| 338 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 339 | static int mt9m111_enable(struct mt9m111 *mt9m111) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 340 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 341 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 342 | int ret; |
| 343 | |
| 344 | ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 345 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 346 | mt9m111->powered = 1; |
| 347 | return ret; |
| 348 | } |
| 349 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 350 | static int mt9m111_reset(struct mt9m111 *mt9m111) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 351 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 352 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 353 | int ret; |
| 354 | |
| 355 | ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 356 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 357 | ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 358 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 359 | ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE |
| 360 | | MT9M111_RESET_RESET_SOC); |
Antonio Ospite | afb1368 | 2009-02-23 12:13:24 -0300 | [diff] [blame] | 361 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 362 | return ret; |
| 363 | } |
| 364 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 365 | static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) |
| 366 | { |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 367 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
Guennadi Liakhovetski | bd73b36 | 2008-12-23 05:54:45 -0300 | [diff] [blame] | 368 | unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 369 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | |
Guennadi Liakhovetski | 2d9329f | 2009-02-23 12:12:58 -0300 | [diff] [blame] | 370 | SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8; |
Guennadi Liakhovetski | bd73b36 | 2008-12-23 05:54:45 -0300 | [diff] [blame] | 371 | |
| 372 | return soc_camera_apply_sensor_flags(icl, flags); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) |
| 376 | { |
| 377 | return 0; |
| 378 | } |
| 379 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 380 | static int mt9m111_make_rect(struct mt9m111 *mt9m111, |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 381 | struct v4l2_rect *rect) |
| 382 | { |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 383 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 384 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) { |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 385 | /* Bayer format - even size lengths */ |
| 386 | rect->width = ALIGN(rect->width, 2); |
| 387 | rect->height = ALIGN(rect->height, 2); |
| 388 | /* Let the user play with the starting pixel */ |
| 389 | } |
| 390 | |
| 391 | /* FIXME: the datasheet doesn't specify minimum sizes */ |
| 392 | soc_camera_limit_side(&rect->left, &rect->width, |
| 393 | MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH); |
| 394 | |
| 395 | soc_camera_limit_side(&rect->top, &rect->height, |
| 396 | MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT); |
| 397 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 398 | return mt9m111_setup_rect(mt9m111, rect); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 399 | } |
| 400 | |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 401 | static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 402 | { |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 403 | struct v4l2_rect rect = a->c; |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 404 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 405 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 406 | int ret; |
| 407 | |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 408 | dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n", |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 409 | __func__, rect.left, rect.top, rect.width, rect.height); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 410 | |
Michael Grzeschik | 6b6d33c | 2010-08-03 07:57:44 -0300 | [diff] [blame] | 411 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 412 | return -EINVAL; |
| 413 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 414 | ret = mt9m111_make_rect(mt9m111, &rect); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 415 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 416 | mt9m111->rect = rect; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 417 | return ret; |
| 418 | } |
| 419 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 420 | static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
| 421 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 422 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 423 | |
| 424 | a->c = mt9m111->rect; |
| 425 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 426 | |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) |
| 431 | { |
Michael Grzeschik | 6b6d33c | 2010-08-03 07:57:44 -0300 | [diff] [blame] | 432 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 433 | return -EINVAL; |
| 434 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 435 | a->bounds.left = MT9M111_MIN_DARK_COLS; |
| 436 | a->bounds.top = MT9M111_MIN_DARK_ROWS; |
| 437 | a->bounds.width = MT9M111_MAX_WIDTH; |
| 438 | a->bounds.height = MT9M111_MAX_HEIGHT; |
| 439 | a->defrect = a->bounds; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 440 | a->pixelaspect.numerator = 1; |
| 441 | a->pixelaspect.denominator = 1; |
| 442 | |
| 443 | return 0; |
| 444 | } |
| 445 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 446 | static int mt9m111_g_fmt(struct v4l2_subdev *sd, |
| 447 | struct v4l2_mbus_framefmt *mf) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 448 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 449 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 450 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 451 | mf->width = mt9m111->rect.width; |
| 452 | mf->height = mt9m111->rect.height; |
| 453 | mf->code = mt9m111->fmt->code; |
Michael Grzeschik | 01f5a39 | 2010-08-03 07:57:45 -0300 | [diff] [blame] | 454 | mf->colorspace = mt9m111->fmt->colorspace; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 455 | mf->field = V4L2_FIELD_NONE; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 460 | static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 461 | enum v4l2_mbus_pixelcode code) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 462 | { |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 463 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
| 464 | u16 data_outfmt2, mask_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER | |
| 465 | MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB | |
| 466 | MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 | |
| 467 | MT9M111_OUTFMT_RGB444x | MT9M111_OUTFMT_RGBx444 | |
| 468 | MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | |
| 469 | MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 470 | int ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 471 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 472 | switch (code) { |
| 473 | case V4L2_MBUS_FMT_SBGGR8_1X8: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 474 | data_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER | |
| 475 | MT9M111_OUTFMT_RGB; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 476 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 477 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 478 | data_outfmt2 = MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 479 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 480 | case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 481 | data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555 | |
| 482 | MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; |
| 483 | break; |
| 484 | case V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE: |
| 485 | data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 486 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 487 | case V4L2_MBUS_FMT_RGB565_2X8_LE: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 488 | data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | |
| 489 | MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; |
| 490 | break; |
| 491 | case V4L2_MBUS_FMT_RGB565_2X8_BE: |
| 492 | data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; |
| 493 | break; |
| 494 | case V4L2_MBUS_FMT_BGR565_2X8_BE: |
| 495 | data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | |
| 496 | MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; |
| 497 | break; |
| 498 | case V4L2_MBUS_FMT_BGR565_2X8_LE: |
| 499 | data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | |
| 500 | MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | |
| 501 | MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 502 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 503 | case V4L2_MBUS_FMT_UYVY8_2X8: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 504 | data_outfmt2 = 0; |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 505 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 506 | case V4L2_MBUS_FMT_VYUY8_2X8: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 507 | data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 508 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 509 | case V4L2_MBUS_FMT_YUYV8_2X8: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 510 | data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 511 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 512 | case V4L2_MBUS_FMT_YVYU8_2X8: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 513 | data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | |
| 514 | MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 515 | break; |
| 516 | default: |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 517 | dev_err(&client->dev, "Pixel format not handled: %x\n", code); |
| 518 | return -EINVAL; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 519 | } |
| 520 | |
Michael Grzeschik | 7c58e7d | 2011-07-12 12:39:05 -0300 | [diff] [blame] | 521 | ret = reg_mask(OUTPUT_FORMAT_CTRL2_A, data_outfmt2, |
| 522 | mask_outfmt2); |
| 523 | if (!ret) |
| 524 | ret = reg_mask(OUTPUT_FORMAT_CTRL2_B, data_outfmt2, |
| 525 | mask_outfmt2); |
| 526 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 527 | return ret; |
| 528 | } |
| 529 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 530 | static int mt9m111_s_fmt(struct v4l2_subdev *sd, |
| 531 | struct v4l2_mbus_framefmt *mf) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 532 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 533 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 534 | const struct mt9m111_datafmt *fmt; |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 535 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 536 | struct v4l2_rect rect = { |
| 537 | .left = mt9m111->rect.left, |
| 538 | .top = mt9m111->rect.top, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 539 | .width = mf->width, |
| 540 | .height = mf->height, |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 541 | }; |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 542 | int ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 543 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 544 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
| 545 | ARRAY_SIZE(mt9m111_colour_fmts)); |
| 546 | if (!fmt) |
| 547 | return -EINVAL; |
| 548 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 549 | dev_dbg(&client->dev, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 550 | "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__, |
| 551 | mf->code, rect.left, rect.top, rect.width, rect.height); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 552 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 553 | ret = mt9m111_make_rect(mt9m111, &rect); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 554 | if (!ret) |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 555 | ret = mt9m111_set_pixfmt(mt9m111, mf->code); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 556 | if (!ret) { |
| 557 | mt9m111->rect = rect; |
| 558 | mt9m111->fmt = fmt; |
| 559 | mf->colorspace = fmt->colorspace; |
| 560 | } |
| 561 | |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 562 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 563 | } |
| 564 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 565 | static int mt9m111_try_fmt(struct v4l2_subdev *sd, |
| 566 | struct v4l2_mbus_framefmt *mf) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 567 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 568 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 569 | const struct mt9m111_datafmt *fmt; |
| 570 | bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 571 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE; |
| 572 | |
| 573 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
| 574 | ARRAY_SIZE(mt9m111_colour_fmts)); |
| 575 | if (!fmt) { |
| 576 | fmt = mt9m111->fmt; |
| 577 | mf->code = fmt->code; |
| 578 | } |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 579 | |
| 580 | /* |
| 581 | * With Bayer format enforce even side lengths, but let the user play |
| 582 | * with the starting pixel |
| 583 | */ |
Guennadi Liakhovetski | 64f5905 | 2008-12-18 11:51:55 -0300 | [diff] [blame] | 584 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 585 | if (mf->height > MT9M111_MAX_HEIGHT) |
| 586 | mf->height = MT9M111_MAX_HEIGHT; |
| 587 | else if (mf->height < 2) |
| 588 | mf->height = 2; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 589 | else if (bayer) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 590 | mf->height = ALIGN(mf->height, 2); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 591 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 592 | if (mf->width > MT9M111_MAX_WIDTH) |
| 593 | mf->width = MT9M111_MAX_WIDTH; |
| 594 | else if (mf->width < 2) |
| 595 | mf->width = 2; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 596 | else if (bayer) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 597 | mf->width = ALIGN(mf->width, 2); |
| 598 | |
| 599 | mf->colorspace = fmt->colorspace; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 604 | static int mt9m111_g_chip_ident(struct v4l2_subdev *sd, |
| 605 | struct v4l2_dbg_chip_ident *id) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 606 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 607 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 608 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 609 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 610 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 611 | return -EINVAL; |
| 612 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 613 | if (id->match.addr != client->addr) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 614 | return -ENODEV; |
| 615 | |
| 616 | id->ident = mt9m111->model; |
| 617 | id->revision = 0; |
| 618 | |
| 619 | return 0; |
| 620 | } |
| 621 | |
| 622 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 623 | static int mt9m111_g_register(struct v4l2_subdev *sd, |
| 624 | struct v4l2_dbg_register *reg) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 625 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 626 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 627 | int val; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 628 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 629 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 630 | return -EINVAL; |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 631 | if (reg->match.addr != client->addr) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 632 | return -ENODEV; |
| 633 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 634 | val = mt9m111_reg_read(client, reg->reg); |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 635 | reg->size = 2; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 636 | reg->val = (u64)val; |
| 637 | |
| 638 | if (reg->val > 0xffff) |
| 639 | return -EIO; |
| 640 | |
| 641 | return 0; |
| 642 | } |
| 643 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 644 | static int mt9m111_s_register(struct v4l2_subdev *sd, |
| 645 | struct v4l2_dbg_register *reg) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 646 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 647 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 648 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 649 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 650 | return -EINVAL; |
| 651 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 652 | if (reg->match.addr != client->addr) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 653 | return -ENODEV; |
| 654 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 655 | if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 656 | return -EIO; |
| 657 | |
| 658 | return 0; |
| 659 | } |
| 660 | #endif |
| 661 | |
| 662 | static const struct v4l2_queryctrl mt9m111_controls[] = { |
| 663 | { |
| 664 | .id = V4L2_CID_VFLIP, |
| 665 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 666 | .name = "Flip Verticaly", |
| 667 | .minimum = 0, |
| 668 | .maximum = 1, |
| 669 | .step = 1, |
| 670 | .default_value = 0, |
| 671 | }, { |
| 672 | .id = V4L2_CID_HFLIP, |
| 673 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 674 | .name = "Flip Horizontaly", |
| 675 | .minimum = 0, |
| 676 | .maximum = 1, |
| 677 | .step = 1, |
| 678 | .default_value = 0, |
| 679 | }, { /* gain = 1/32*val (=>gain=1 if val==32) */ |
| 680 | .id = V4L2_CID_GAIN, |
| 681 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 682 | .name = "Gain", |
| 683 | .minimum = 0, |
| 684 | .maximum = 63 * 2 * 2, |
| 685 | .step = 1, |
| 686 | .default_value = 32, |
| 687 | .flags = V4L2_CTRL_FLAG_SLIDER, |
| 688 | }, { |
| 689 | .id = V4L2_CID_EXPOSURE_AUTO, |
| 690 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 691 | .name = "Auto Exposure", |
| 692 | .minimum = 0, |
| 693 | .maximum = 1, |
| 694 | .step = 1, |
| 695 | .default_value = 1, |
| 696 | } |
| 697 | }; |
| 698 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 699 | static struct soc_camera_ops mt9m111_ops = { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 700 | .query_bus_param = mt9m111_query_bus_param, |
| 701 | .set_bus_param = mt9m111_set_bus_param, |
| 702 | .controls = mt9m111_controls, |
| 703 | .num_controls = ARRAY_SIZE(mt9m111_controls), |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 704 | }; |
| 705 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 706 | static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 707 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 708 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 709 | int ret; |
| 710 | |
| 711 | if (mt9m111->context == HIGHPOWER) { |
| 712 | if (flip) |
| 713 | ret = reg_set(READ_MODE_B, mask); |
| 714 | else |
| 715 | ret = reg_clear(READ_MODE_B, mask); |
| 716 | } else { |
| 717 | if (flip) |
| 718 | ret = reg_set(READ_MODE_A, mask); |
| 719 | else |
| 720 | ret = reg_clear(READ_MODE_A, mask); |
| 721 | } |
| 722 | |
| 723 | return ret; |
| 724 | } |
| 725 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 726 | static int mt9m111_get_global_gain(struct mt9m111 *mt9m111) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 727 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 728 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
roel kluin | 0f28b79 | 2008-12-17 14:01:07 -0300 | [diff] [blame] | 729 | int data; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 730 | |
| 731 | data = reg_read(GLOBAL_GAIN); |
| 732 | if (data >= 0) |
roel kluin | 0f28b79 | 2008-12-17 14:01:07 -0300 | [diff] [blame] | 733 | return (data & 0x2f) * (1 << ((data >> 10) & 1)) * |
| 734 | (1 << ((data >> 9) & 1)); |
| 735 | return data; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 736 | } |
roel kluin | 0f28b79 | 2008-12-17 14:01:07 -0300 | [diff] [blame] | 737 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 738 | static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 739 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 740 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 741 | u16 val; |
| 742 | |
| 743 | if (gain > 63 * 2 * 2) |
| 744 | return -EINVAL; |
| 745 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 746 | mt9m111->gain = gain; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 747 | if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) |
| 748 | val = (1 << 10) | (1 << 9) | (gain / 4); |
| 749 | else if ((gain >= 64) && (gain < 64 * 2)) |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 750 | val = (1 << 9) | (gain / 2); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 751 | else |
| 752 | val = gain; |
| 753 | |
| 754 | return reg_write(GLOBAL_GAIN, val); |
| 755 | } |
| 756 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 757 | static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int on) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 758 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 759 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 760 | int ret; |
| 761 | |
| 762 | if (on) |
| 763 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); |
| 764 | else |
| 765 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); |
| 766 | |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 767 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 768 | mt9m111->autoexposure = on; |
| 769 | |
| 770 | return ret; |
| 771 | } |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 772 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 773 | static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on) |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 774 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 775 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 776 | int ret; |
| 777 | |
| 778 | if (on) |
| 779 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); |
| 780 | else |
| 781 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); |
| 782 | |
| 783 | if (!ret) |
| 784 | mt9m111->autowhitebalance = on; |
| 785 | |
| 786 | return ret; |
| 787 | } |
| 788 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 789 | static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 790 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 791 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 792 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 793 | int data; |
| 794 | |
| 795 | switch (ctrl->id) { |
| 796 | case V4L2_CID_VFLIP: |
| 797 | if (mt9m111->context == HIGHPOWER) |
| 798 | data = reg_read(READ_MODE_B); |
| 799 | else |
| 800 | data = reg_read(READ_MODE_A); |
| 801 | |
| 802 | if (data < 0) |
| 803 | return -EIO; |
| 804 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS); |
| 805 | break; |
| 806 | case V4L2_CID_HFLIP: |
| 807 | if (mt9m111->context == HIGHPOWER) |
| 808 | data = reg_read(READ_MODE_B); |
| 809 | else |
| 810 | data = reg_read(READ_MODE_A); |
| 811 | |
| 812 | if (data < 0) |
| 813 | return -EIO; |
| 814 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS); |
| 815 | break; |
| 816 | case V4L2_CID_GAIN: |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 817 | data = mt9m111_get_global_gain(mt9m111); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 818 | if (data < 0) |
| 819 | return data; |
| 820 | ctrl->value = data; |
| 821 | break; |
| 822 | case V4L2_CID_EXPOSURE_AUTO: |
| 823 | ctrl->value = mt9m111->autoexposure; |
| 824 | break; |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 825 | case V4L2_CID_AUTO_WHITE_BALANCE: |
| 826 | ctrl->value = mt9m111->autowhitebalance; |
| 827 | break; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 828 | } |
| 829 | return 0; |
| 830 | } |
| 831 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 832 | static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 833 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 834 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 835 | const struct v4l2_queryctrl *qctrl; |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 836 | int ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 837 | |
| 838 | qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 839 | if (!qctrl) |
| 840 | return -EINVAL; |
| 841 | |
| 842 | switch (ctrl->id) { |
| 843 | case V4L2_CID_VFLIP: |
| 844 | mt9m111->vflip = ctrl->value; |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 845 | ret = mt9m111_set_flip(mt9m111, ctrl->value, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 846 | MT9M111_RMB_MIRROR_ROWS); |
| 847 | break; |
| 848 | case V4L2_CID_HFLIP: |
| 849 | mt9m111->hflip = ctrl->value; |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 850 | ret = mt9m111_set_flip(mt9m111, ctrl->value, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 851 | MT9M111_RMB_MIRROR_COLS); |
| 852 | break; |
| 853 | case V4L2_CID_GAIN: |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 854 | ret = mt9m111_set_global_gain(mt9m111, ctrl->value); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 855 | break; |
| 856 | case V4L2_CID_EXPOSURE_AUTO: |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 857 | ret = mt9m111_set_autoexposure(mt9m111, ctrl->value); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 858 | break; |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 859 | case V4L2_CID_AUTO_WHITE_BALANCE: |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 860 | ret = mt9m111_set_autowhitebalance(mt9m111, ctrl->value); |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 861 | break; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 862 | default: |
| 863 | ret = -EINVAL; |
| 864 | } |
| 865 | |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 866 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 867 | } |
| 868 | |
Guennadi Liakhovetski | 14c5ea9 | 2011-06-05 08:27:39 -0300 | [diff] [blame] | 869 | static int mt9m111_suspend(struct mt9m111 *mt9m111) |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 870 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 871 | mt9m111->gain = mt9m111_get_global_gain(mt9m111); |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 872 | |
| 873 | return 0; |
| 874 | } |
| 875 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 876 | static void mt9m111_restore_state(struct mt9m111 *mt9m111) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 877 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 878 | mt9m111_set_context(mt9m111, mt9m111->context); |
| 879 | mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code); |
| 880 | mt9m111_setup_rect(mt9m111, &mt9m111->rect); |
| 881 | mt9m111_set_flip(mt9m111, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS); |
| 882 | mt9m111_set_flip(mt9m111, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); |
| 883 | mt9m111_set_global_gain(mt9m111, mt9m111->gain); |
| 884 | mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure); |
| 885 | mt9m111_set_autowhitebalance(mt9m111, mt9m111->autowhitebalance); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 886 | } |
| 887 | |
Guennadi Liakhovetski | 14c5ea9 | 2011-06-05 08:27:39 -0300 | [diff] [blame] | 888 | static int mt9m111_resume(struct mt9m111 *mt9m111) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 889 | { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 890 | int ret = 0; |
| 891 | |
| 892 | if (mt9m111->powered) { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 893 | ret = mt9m111_enable(mt9m111); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 894 | if (!ret) |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 895 | ret = mt9m111_reset(mt9m111); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 896 | if (!ret) |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 897 | mt9m111_restore_state(mt9m111); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 898 | } |
| 899 | return ret; |
| 900 | } |
| 901 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 902 | static int mt9m111_init(struct mt9m111 *mt9m111) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 903 | { |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 904 | struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 905 | int ret; |
| 906 | |
| 907 | mt9m111->context = HIGHPOWER; |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 908 | ret = mt9m111_enable(mt9m111); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 909 | if (!ret) |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 910 | ret = mt9m111_reset(mt9m111); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 911 | if (!ret) |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 912 | ret = mt9m111_set_context(mt9m111, mt9m111->context); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 913 | if (!ret) |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 914 | ret = mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 915 | if (ret) |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 916 | dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 917 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 918 | } |
| 919 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 920 | /* |
| 921 | * Interface active, can use i2c. If it fails, it can indeed mean, that |
| 922 | * this wasn't our capture interface, so, we wait for the right one |
| 923 | */ |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 924 | static int mt9m111_video_probe(struct soc_camera_device *icd, |
| 925 | struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 926 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 927 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 928 | s32 data; |
| 929 | int ret; |
| 930 | |
Guennadi Liakhovetski | 7dfff95 | 2011-07-15 20:03:38 -0300 | [diff] [blame] | 931 | /* We must have a parent by now. And it cannot be a wrong one. */ |
| 932 | BUG_ON(!icd->parent || |
| 933 | to_soc_camera_host(icd->parent)->nr != icd->iface); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 934 | |
Guennadi Liakhovetski | a4c56fd | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 935 | mt9m111->autoexposure = 1; |
| 936 | mt9m111->autowhitebalance = 1; |
| 937 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 938 | data = reg_read(CHIP_VERSION); |
| 939 | |
| 940 | switch (data) { |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 941 | case 0x143a: /* MT9M111 or MT9M131 */ |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 942 | mt9m111->model = V4L2_IDENT_MT9M111; |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 943 | dev_info(&client->dev, |
| 944 | "Detected a MT9M111/MT9M131 chip ID %x\n", data); |
Mike Rapoport | d7f83a5 | 2008-12-18 11:44:15 -0300 | [diff] [blame] | 945 | break; |
| 946 | case 0x148c: /* MT9M112 */ |
| 947 | mt9m111->model = V4L2_IDENT_MT9M112; |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 948 | dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 949 | break; |
| 950 | default: |
| 951 | ret = -ENODEV; |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 952 | dev_err(&client->dev, |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 953 | "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", |
| 954 | data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 955 | goto ei2c; |
| 956 | } |
| 957 | |
Guennadi Liakhovetski | 2768cbb | 2011-06-07 06:47:30 -0300 | [diff] [blame] | 958 | ret = mt9m111_init(mt9m111); |
Michael Grzeschik | 175bad9 | 2010-08-03 07:57:40 -0300 | [diff] [blame] | 959 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 960 | ei2c: |
| 961 | return ret; |
| 962 | } |
| 963 | |
Guennadi Liakhovetski | 14c5ea9 | 2011-06-05 08:27:39 -0300 | [diff] [blame] | 964 | static int mt9m111_s_power(struct v4l2_subdev *sd, int on) |
| 965 | { |
| 966 | struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); |
| 967 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 968 | int ret = 0; |
| 969 | |
| 970 | mutex_lock(&mt9m111->power_lock); |
| 971 | |
| 972 | /* |
| 973 | * If the power count is modified from 0 to != 0 or from != 0 to 0, |
| 974 | * update the power state. |
| 975 | */ |
| 976 | if (mt9m111->power_count == !on) { |
| 977 | if (on) { |
| 978 | ret = mt9m111_resume(mt9m111); |
| 979 | if (ret) { |
| 980 | dev_err(&client->dev, |
| 981 | "Failed to resume the sensor: %d\n", ret); |
| 982 | goto out; |
| 983 | } |
| 984 | } else { |
| 985 | mt9m111_suspend(mt9m111); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | /* Update the power count. */ |
| 990 | mt9m111->power_count += on ? 1 : -1; |
| 991 | WARN_ON(mt9m111->power_count < 0); |
| 992 | |
| 993 | out: |
| 994 | mutex_unlock(&mt9m111->power_lock); |
| 995 | return ret; |
| 996 | } |
| 997 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 998 | static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { |
| 999 | .g_ctrl = mt9m111_g_ctrl, |
| 1000 | .s_ctrl = mt9m111_s_ctrl, |
| 1001 | .g_chip_ident = mt9m111_g_chip_ident, |
Guennadi Liakhovetski | 14c5ea9 | 2011-06-05 08:27:39 -0300 | [diff] [blame] | 1002 | .s_power = mt9m111_s_power, |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1003 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1004 | .g_register = mt9m111_g_register, |
| 1005 | .s_register = mt9m111_s_register, |
| 1006 | #endif |
| 1007 | }; |
| 1008 | |
Hans Verkuil | 3805f20 | 2010-05-08 17:55:00 -0300 | [diff] [blame] | 1009 | static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1010 | enum v4l2_mbus_pixelcode *code) |
| 1011 | { |
Hans Verkuil | 3805f20 | 2010-05-08 17:55:00 -0300 | [diff] [blame] | 1012 | if (index >= ARRAY_SIZE(mt9m111_colour_fmts)) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1013 | return -EINVAL; |
| 1014 | |
| 1015 | *code = mt9m111_colour_fmts[index].code; |
| 1016 | return 0; |
| 1017 | } |
| 1018 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1019 | static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1020 | .s_mbus_fmt = mt9m111_s_fmt, |
| 1021 | .g_mbus_fmt = mt9m111_g_fmt, |
| 1022 | .try_mbus_fmt = mt9m111_try_fmt, |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 1023 | .s_crop = mt9m111_s_crop, |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 1024 | .g_crop = mt9m111_g_crop, |
| 1025 | .cropcap = mt9m111_cropcap, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1026 | .enum_mbus_fmt = mt9m111_enum_fmt, |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1027 | }; |
| 1028 | |
| 1029 | static struct v4l2_subdev_ops mt9m111_subdev_ops = { |
| 1030 | .core = &mt9m111_subdev_core_ops, |
| 1031 | .video = &mt9m111_subdev_video_ops, |
| 1032 | }; |
| 1033 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1034 | static int mt9m111_probe(struct i2c_client *client, |
| 1035 | const struct i2c_device_id *did) |
| 1036 | { |
| 1037 | struct mt9m111 *mt9m111; |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1038 | struct soc_camera_device *icd = client->dev.platform_data; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1039 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1040 | struct soc_camera_link *icl; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1041 | int ret; |
| 1042 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1043 | if (!icd) { |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 1044 | dev_err(&client->dev, "mt9m111: soc-camera data missing!\n"); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1045 | return -EINVAL; |
| 1046 | } |
| 1047 | |
| 1048 | icl = to_soc_camera_link(icd); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1049 | if (!icl) { |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 1050 | dev_err(&client->dev, "mt9m111: driver needs platform data\n"); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1051 | return -EINVAL; |
| 1052 | } |
| 1053 | |
| 1054 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { |
| 1055 | dev_warn(&adapter->dev, |
| 1056 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); |
| 1057 | return -EIO; |
| 1058 | } |
| 1059 | |
| 1060 | mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL); |
| 1061 | if (!mt9m111) |
| 1062 | return -ENOMEM; |
| 1063 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1064 | v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1065 | |
| 1066 | /* Second stage probe - when a capture adapter is there */ |
Guennadi Liakhovetski | a0705b0 | 2009-08-25 11:46:17 -0300 | [diff] [blame] | 1067 | icd->ops = &mt9m111_ops; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1068 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 1069 | mt9m111->rect.left = MT9M111_MIN_DARK_COLS; |
| 1070 | mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; |
| 1071 | mt9m111->rect.width = MT9M111_MAX_WIDTH; |
| 1072 | mt9m111->rect.height = MT9M111_MAX_HEIGHT; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1073 | mt9m111->fmt = &mt9m111_colour_fmts[0]; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 1074 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1075 | ret = mt9m111_video_probe(icd, client); |
| 1076 | if (ret) { |
| 1077 | icd->ops = NULL; |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1078 | kfree(mt9m111); |
| 1079 | } |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1080 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1081 | return ret; |
| 1082 | } |
| 1083 | |
| 1084 | static int mt9m111_remove(struct i2c_client *client) |
| 1085 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1086 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1087 | struct soc_camera_device *icd = client->dev.platform_data; |
| 1088 | |
| 1089 | icd->ops = NULL; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1090 | kfree(mt9m111); |
| 1091 | |
| 1092 | return 0; |
| 1093 | } |
| 1094 | |
| 1095 | static const struct i2c_device_id mt9m111_id[] = { |
| 1096 | { "mt9m111", 0 }, |
| 1097 | { } |
| 1098 | }; |
| 1099 | MODULE_DEVICE_TABLE(i2c, mt9m111_id); |
| 1100 | |
| 1101 | static struct i2c_driver mt9m111_i2c_driver = { |
| 1102 | .driver = { |
| 1103 | .name = "mt9m111", |
| 1104 | }, |
| 1105 | .probe = mt9m111_probe, |
| 1106 | .remove = mt9m111_remove, |
| 1107 | .id_table = mt9m111_id, |
| 1108 | }; |
| 1109 | |
| 1110 | static int __init mt9m111_mod_init(void) |
| 1111 | { |
| 1112 | return i2c_add_driver(&mt9m111_i2c_driver); |
| 1113 | } |
| 1114 | |
| 1115 | static void __exit mt9m111_mod_exit(void) |
| 1116 | { |
| 1117 | i2c_del_driver(&mt9m111_i2c_driver); |
| 1118 | } |
| 1119 | |
| 1120 | module_init(mt9m111_mod_init); |
| 1121 | module_exit(mt9m111_mod_exit); |
| 1122 | |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 1123 | MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1124 | MODULE_AUTHOR("Robert Jarzmik"); |
| 1125 | MODULE_LICENSE("GPL"); |