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 | |
| 66 | #define MT9M111_RMB_MIRROR_COLS (1 << 1) |
| 67 | #define MT9M111_RMB_MIRROR_ROWS (1 << 0) |
| 68 | #define MT9M111_CTXT_CTRL_RESTART (1 << 15) |
| 69 | #define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12) |
| 70 | #define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10) |
| 71 | #define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9) |
| 72 | #define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8) |
| 73 | #define MT9M111_CTXT_CTRL_XENON_EN (1 << 7) |
| 74 | #define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3) |
| 75 | #define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) |
| 76 | #define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) |
| 77 | #define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 78 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 79 | /* |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 80 | * Colorpipe register addresses (0x100..0x1ff) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 81 | */ |
| 82 | #define MT9M111_OPER_MODE_CTRL 0x106 |
| 83 | #define MT9M111_OUTPUT_FORMAT_CTRL 0x108 |
| 84 | #define MT9M111_REDUCER_XZOOM_B 0x1a0 |
| 85 | #define MT9M111_REDUCER_XSIZE_B 0x1a1 |
| 86 | #define MT9M111_REDUCER_YZOOM_B 0x1a3 |
| 87 | #define MT9M111_REDUCER_YSIZE_B 0x1a4 |
| 88 | #define MT9M111_REDUCER_XZOOM_A 0x1a6 |
| 89 | #define MT9M111_REDUCER_XSIZE_A 0x1a7 |
| 90 | #define MT9M111_REDUCER_YZOOM_A 0x1a9 |
| 91 | #define MT9M111_REDUCER_YSIZE_A 0x1aa |
| 92 | |
| 93 | #define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a |
| 94 | #define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b |
| 95 | |
| 96 | #define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 97 | #define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 98 | |
| 99 | #define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) |
| 100 | #define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) |
| 101 | #define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9) |
| 102 | #define MT9M111_OUTFMT_RGB (1 << 8) |
Michael Grzeschik | ec73365 | 2010-08-03 07:57:41 -0300 | [diff] [blame] | 103 | #define MT9M111_OUTFMT_RGB565 (0 << 6) |
| 104 | #define MT9M111_OUTFMT_RGB555 (1 << 6) |
| 105 | #define MT9M111_OUTFMT_RGB444x (2 << 6) |
| 106 | #define MT9M111_OUTFMT_RGBx444 (3 << 6) |
| 107 | #define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4) |
| 108 | #define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4) |
| 109 | #define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4) |
| 110 | #define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 111 | #define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3) |
| 112 | #define MT9M111_OUTFMT_AVG_CHROMA (1 << 2) |
| 113 | #define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1) |
| 114 | #define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1) |
| 115 | #define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0) |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 116 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 117 | /* |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 118 | * Camera control register addresses (0x200..0x2ff not implemented) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 119 | */ |
| 120 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 121 | #define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) |
| 122 | #define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val)) |
| 123 | #define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val)) |
| 124 | #define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val)) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 125 | |
| 126 | #define MT9M111_MIN_DARK_ROWS 8 |
Michael Grzeschik | 669470a | 2010-08-03 07:57:43 -0300 | [diff] [blame] | 127 | #define MT9M111_MIN_DARK_COLS 26 |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 128 | #define MT9M111_MAX_HEIGHT 1024 |
| 129 | #define MT9M111_MAX_WIDTH 1280 |
| 130 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 131 | /* MT9M111 has only one fixed colorspace per pixelcode */ |
| 132 | struct mt9m111_datafmt { |
| 133 | enum v4l2_mbus_pixelcode code; |
| 134 | enum v4l2_colorspace colorspace; |
| 135 | }; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 136 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 137 | /* Find a data format by a pixel code in an array */ |
| 138 | static const struct mt9m111_datafmt *mt9m111_find_datafmt( |
| 139 | enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt, |
| 140 | int n) |
| 141 | { |
| 142 | int i; |
| 143 | for (i = 0; i < n; i++) |
| 144 | if (fmt[i].code == code) |
| 145 | return fmt + i; |
| 146 | |
| 147 | return NULL; |
| 148 | } |
| 149 | |
| 150 | static const struct mt9m111_datafmt mt9m111_colour_fmts[] = { |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 151 | {V4L2_MBUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG}, |
| 152 | {V4L2_MBUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG}, |
| 153 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, |
| 154 | {V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG}, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 155 | {V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, |
| 156 | {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, |
| 157 | {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, |
| 158 | {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 159 | }; |
| 160 | |
| 161 | enum mt9m111_context { |
| 162 | HIGHPOWER = 0, |
| 163 | LOWPOWER, |
| 164 | }; |
| 165 | |
| 166 | struct mt9m111 { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 167 | struct v4l2_subdev subdev; |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 168 | int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code |
| 169 | * from v4l2-chip-ident.h */ |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 170 | enum mt9m111_context context; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 171 | struct v4l2_rect rect; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 172 | const struct mt9m111_datafmt *fmt; |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 173 | unsigned int gain; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 174 | unsigned char autoexposure; |
| 175 | unsigned char datawidth; |
| 176 | unsigned int powered:1; |
| 177 | unsigned int hflip:1; |
| 178 | unsigned int vflip:1; |
| 179 | unsigned int swap_rgb_even_odd:1; |
| 180 | unsigned int swap_rgb_red_blue:1; |
| 181 | unsigned int swap_yuv_y_chromas:1; |
| 182 | unsigned int swap_yuv_cb_cr:1; |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 183 | unsigned int autowhitebalance:1; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 184 | }; |
| 185 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 186 | static struct mt9m111 *to_mt9m111(const struct i2c_client *client) |
| 187 | { |
| 188 | return container_of(i2c_get_clientdata(client), struct mt9m111, subdev); |
| 189 | } |
| 190 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 191 | static int reg_page_map_set(struct i2c_client *client, const u16 reg) |
| 192 | { |
| 193 | int ret; |
| 194 | u16 page; |
| 195 | static int lastpage = -1; /* PageMap cache value */ |
| 196 | |
| 197 | page = (reg >> 8); |
| 198 | if (page == lastpage) |
| 199 | return 0; |
| 200 | if (page > 2) |
| 201 | return -EINVAL; |
| 202 | |
| 203 | ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 204 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 205 | lastpage = page; |
| 206 | return ret; |
| 207 | } |
| 208 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 209 | static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 210 | { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 211 | int ret; |
| 212 | |
| 213 | ret = reg_page_map_set(client, reg); |
| 214 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 215 | ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff)); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 216 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 217 | dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 218 | return ret; |
| 219 | } |
| 220 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 221 | static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 222 | const u16 data) |
| 223 | { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 224 | int ret; |
| 225 | |
| 226 | ret = reg_page_map_set(client, reg); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 227 | if (!ret) |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 228 | ret = i2c_smbus_write_word_data(client, reg & 0xff, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 229 | swab16(data)); |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 230 | 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] | 231 | return ret; |
| 232 | } |
| 233 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 234 | static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 235 | const u16 data) |
| 236 | { |
| 237 | int ret; |
| 238 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 239 | ret = mt9m111_reg_read(client, reg); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 240 | if (ret >= 0) |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 241 | ret = mt9m111_reg_write(client, reg, ret | data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 242 | return ret; |
| 243 | } |
| 244 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 245 | static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 246 | const u16 data) |
| 247 | { |
| 248 | int ret; |
| 249 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 250 | ret = mt9m111_reg_read(client, reg); |
| 251 | return mt9m111_reg_write(client, reg, ret & ~data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 252 | } |
| 253 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 254 | static int mt9m111_set_context(struct i2c_client *client, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 255 | enum mt9m111_context ctxt) |
| 256 | { |
| 257 | int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B |
| 258 | | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B |
| 259 | | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B |
| 260 | | MT9M111_CTXT_CTRL_VBLANK_SEL_B |
| 261 | | MT9M111_CTXT_CTRL_HBLANK_SEL_B; |
| 262 | int valA = MT9M111_CTXT_CTRL_RESTART; |
| 263 | |
| 264 | if (ctxt == HIGHPOWER) |
| 265 | return reg_write(CONTEXT_CONTROL, valB); |
| 266 | else |
| 267 | return reg_write(CONTEXT_CONTROL, valA); |
| 268 | } |
| 269 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 270 | static int mt9m111_setup_rect(struct i2c_client *client, |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 271 | struct v4l2_rect *rect) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 272 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 273 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 274 | int ret, is_raw_format; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 275 | int width = rect->width; |
| 276 | int height = rect->height; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 277 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 278 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 279 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 280 | is_raw_format = 1; |
| 281 | else |
| 282 | is_raw_format = 0; |
| 283 | |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 284 | ret = reg_write(COLUMN_START, rect->left); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 285 | if (!ret) |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 286 | ret = reg_write(ROW_START, rect->top); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 287 | |
| 288 | if (is_raw_format) { |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 289 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 290 | ret = reg_write(WINDOW_WIDTH, width); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 291 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 292 | ret = reg_write(WINDOW_HEIGHT, height); |
| 293 | } else { |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 294 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 295 | ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 296 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 297 | ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 298 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 299 | ret = reg_write(REDUCER_XSIZE_B, width); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 300 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 301 | ret = reg_write(REDUCER_YSIZE_B, height); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 302 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 303 | ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 304 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 305 | ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 306 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 307 | ret = reg_write(REDUCER_XSIZE_A, width); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 308 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 309 | ret = reg_write(REDUCER_YSIZE_A, height); |
| 310 | } |
| 311 | |
| 312 | return ret; |
| 313 | } |
| 314 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 315 | static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 316 | { |
| 317 | int ret; |
| 318 | |
| 319 | ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt); |
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(OUTPUT_FORMAT_CTRL2_B, outfmt); |
| 322 | return ret; |
| 323 | } |
| 324 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 325 | static int mt9m111_setfmt_bayer8(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 326 | { |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 327 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER | |
| 328 | MT9M111_OUTFMT_RGB); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 329 | } |
| 330 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 331 | static int mt9m111_setfmt_bayer10(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 332 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 333 | return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 334 | } |
| 335 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 336 | static int mt9m111_setfmt_rgb565(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 337 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 338 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 339 | int val = 0; |
| 340 | |
| 341 | if (mt9m111->swap_rgb_red_blue) |
| 342 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; |
| 343 | if (mt9m111->swap_rgb_even_odd) |
| 344 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; |
| 345 | val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; |
| 346 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 347 | return mt9m111_setup_pixfmt(client, val); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 348 | } |
| 349 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 350 | static int mt9m111_setfmt_rgb555(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 351 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 352 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 353 | int val = 0; |
| 354 | |
| 355 | if (mt9m111->swap_rgb_red_blue) |
| 356 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; |
| 357 | if (mt9m111->swap_rgb_even_odd) |
| 358 | val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; |
| 359 | val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; |
| 360 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 361 | return mt9m111_setup_pixfmt(client, val); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 362 | } |
| 363 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 364 | static int mt9m111_setfmt_yuv(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 365 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 366 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 367 | int val = 0; |
| 368 | |
| 369 | if (mt9m111->swap_yuv_cb_cr) |
| 370 | val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; |
| 371 | if (mt9m111->swap_yuv_y_chromas) |
| 372 | val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y; |
| 373 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 374 | return mt9m111_setup_pixfmt(client, val); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 375 | } |
| 376 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 377 | static int mt9m111_enable(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 378 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 379 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 380 | int ret; |
| 381 | |
| 382 | ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 383 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 384 | mt9m111->powered = 1; |
| 385 | return ret; |
| 386 | } |
| 387 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 388 | static int mt9m111_reset(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 389 | { |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 390 | int ret; |
| 391 | |
| 392 | ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 393 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 394 | ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 395 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 396 | ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE |
| 397 | | MT9M111_RESET_RESET_SOC); |
Antonio Ospite | afb1368 | 2009-02-23 12:13:24 -0300 | [diff] [blame] | 398 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 399 | return ret; |
| 400 | } |
| 401 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 402 | static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) |
| 403 | { |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 404 | struct soc_camera_link *icl = to_soc_camera_link(icd); |
Guennadi Liakhovetski | bd73b36 | 2008-12-23 05:54:45 -0300 | [diff] [blame] | 405 | unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 406 | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | |
Guennadi Liakhovetski | 2d9329f | 2009-02-23 12:12:58 -0300 | [diff] [blame] | 407 | SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8; |
Guennadi Liakhovetski | bd73b36 | 2008-12-23 05:54:45 -0300 | [diff] [blame] | 408 | |
| 409 | return soc_camera_apply_sensor_flags(icl, flags); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) |
| 413 | { |
| 414 | return 0; |
| 415 | } |
| 416 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 417 | static int mt9m111_make_rect(struct i2c_client *client, |
| 418 | struct v4l2_rect *rect) |
| 419 | { |
| 420 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
| 421 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 422 | if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 423 | mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) { |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 424 | /* Bayer format - even size lengths */ |
| 425 | rect->width = ALIGN(rect->width, 2); |
| 426 | rect->height = ALIGN(rect->height, 2); |
| 427 | /* Let the user play with the starting pixel */ |
| 428 | } |
| 429 | |
| 430 | /* FIXME: the datasheet doesn't specify minimum sizes */ |
| 431 | soc_camera_limit_side(&rect->left, &rect->width, |
| 432 | MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH); |
| 433 | |
| 434 | soc_camera_limit_side(&rect->top, &rect->height, |
| 435 | MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT); |
| 436 | |
| 437 | return mt9m111_setup_rect(client, rect); |
| 438 | } |
| 439 | |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 440 | 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] | 441 | { |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 442 | struct v4l2_rect rect = a->c; |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 443 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 444 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 445 | int ret; |
| 446 | |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 447 | 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] | 448 | __func__, rect.left, rect.top, rect.width, rect.height); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 449 | |
Michael Grzeschik | 6b6d33c | 2010-08-03 07:57:44 -0300 | [diff] [blame] | 450 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 451 | return -EINVAL; |
| 452 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 453 | ret = mt9m111_make_rect(client, &rect); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 454 | if (!ret) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 455 | mt9m111->rect = rect; |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 456 | return ret; |
| 457 | } |
| 458 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 459 | static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
| 460 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 461 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 462 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
| 463 | |
| 464 | a->c = mt9m111->rect; |
| 465 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 466 | |
| 467 | return 0; |
| 468 | } |
| 469 | |
| 470 | static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) |
| 471 | { |
Michael Grzeschik | 6b6d33c | 2010-08-03 07:57:44 -0300 | [diff] [blame] | 472 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 473 | return -EINVAL; |
| 474 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 475 | a->bounds.left = MT9M111_MIN_DARK_COLS; |
| 476 | a->bounds.top = MT9M111_MIN_DARK_ROWS; |
| 477 | a->bounds.width = MT9M111_MAX_WIDTH; |
| 478 | a->bounds.height = MT9M111_MAX_HEIGHT; |
| 479 | a->defrect = a->bounds; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 480 | a->pixelaspect.numerator = 1; |
| 481 | a->pixelaspect.denominator = 1; |
| 482 | |
| 483 | return 0; |
| 484 | } |
| 485 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 486 | static int mt9m111_g_fmt(struct v4l2_subdev *sd, |
| 487 | struct v4l2_mbus_framefmt *mf) |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 488 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 489 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 490 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 491 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 492 | mf->width = mt9m111->rect.width; |
| 493 | mf->height = mt9m111->rect.height; |
| 494 | mf->code = mt9m111->fmt->code; |
Michael Grzeschik | 01f5a39 | 2010-08-03 07:57:45 -0300 | [diff] [blame] | 495 | mf->colorspace = mt9m111->fmt->colorspace; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 496 | mf->field = V4L2_FIELD_NONE; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 497 | |
| 498 | return 0; |
| 499 | } |
| 500 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 501 | static int mt9m111_set_pixfmt(struct i2c_client *client, |
| 502 | enum v4l2_mbus_pixelcode code) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 503 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 504 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 505 | int ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 506 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 507 | switch (code) { |
| 508 | case V4L2_MBUS_FMT_SBGGR8_1X8: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 509 | ret = mt9m111_setfmt_bayer8(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 510 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 511 | case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 512 | ret = mt9m111_setfmt_bayer10(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 513 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 514 | case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 515 | ret = mt9m111_setfmt_rgb555(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 516 | break; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 517 | case V4L2_MBUS_FMT_RGB565_2X8_LE: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 518 | ret = mt9m111_setfmt_rgb565(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 519 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 520 | case V4L2_MBUS_FMT_UYVY8_2X8: |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 521 | mt9m111->swap_yuv_y_chromas = 0; |
| 522 | mt9m111->swap_yuv_cb_cr = 0; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 523 | ret = mt9m111_setfmt_yuv(client); |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 524 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 525 | case V4L2_MBUS_FMT_VYUY8_2X8: |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 526 | mt9m111->swap_yuv_y_chromas = 0; |
| 527 | mt9m111->swap_yuv_cb_cr = 1; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 528 | ret = mt9m111_setfmt_yuv(client); |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 529 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 530 | case V4L2_MBUS_FMT_YUYV8_2X8: |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 531 | mt9m111->swap_yuv_y_chromas = 1; |
| 532 | mt9m111->swap_yuv_cb_cr = 0; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 533 | ret = mt9m111_setfmt_yuv(client); |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 534 | break; |
Guennadi Liakhovetski | ace6e97 | 2010-07-22 16:52:51 -0300 | [diff] [blame] | 535 | case V4L2_MBUS_FMT_YVYU8_2X8: |
Robert Jarzmik | 88f4b89 | 2008-12-17 14:05:31 -0300 | [diff] [blame] | 536 | mt9m111->swap_yuv_y_chromas = 1; |
| 537 | mt9m111->swap_yuv_cb_cr = 1; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 538 | ret = mt9m111_setfmt_yuv(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 539 | break; |
| 540 | default: |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 541 | dev_err(&client->dev, "Pixel format not handled : %x\n", |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 542 | code); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 543 | ret = -EINVAL; |
| 544 | } |
| 545 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 546 | return ret; |
| 547 | } |
| 548 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 549 | static int mt9m111_s_fmt(struct v4l2_subdev *sd, |
| 550 | struct v4l2_mbus_framefmt *mf) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 551 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 552 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 553 | const struct mt9m111_datafmt *fmt; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 554 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 555 | struct v4l2_rect rect = { |
| 556 | .left = mt9m111->rect.left, |
| 557 | .top = mt9m111->rect.top, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 558 | .width = mf->width, |
| 559 | .height = mf->height, |
Guennadi Liakhovetski | 09e231b | 2009-03-13 06:08:20 -0300 | [diff] [blame] | 560 | }; |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 561 | int ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 562 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 563 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
| 564 | ARRAY_SIZE(mt9m111_colour_fmts)); |
| 565 | if (!fmt) |
| 566 | return -EINVAL; |
| 567 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 568 | dev_dbg(&client->dev, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 569 | "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__, |
| 570 | mf->code, rect.left, rect.top, rect.width, rect.height); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 571 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 572 | ret = mt9m111_make_rect(client, &rect); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 573 | if (!ret) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 574 | ret = mt9m111_set_pixfmt(client, mf->code); |
| 575 | if (!ret) { |
| 576 | mt9m111->rect = rect; |
| 577 | mt9m111->fmt = fmt; |
| 578 | mf->colorspace = fmt->colorspace; |
| 579 | } |
| 580 | |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 581 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 582 | } |
| 583 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 584 | static int mt9m111_try_fmt(struct v4l2_subdev *sd, |
| 585 | struct v4l2_mbus_framefmt *mf) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 586 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 587 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 588 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
| 589 | const struct mt9m111_datafmt *fmt; |
| 590 | bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 || |
| 591 | mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE; |
| 592 | |
| 593 | fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts, |
| 594 | ARRAY_SIZE(mt9m111_colour_fmts)); |
| 595 | if (!fmt) { |
| 596 | fmt = mt9m111->fmt; |
| 597 | mf->code = fmt->code; |
| 598 | } |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 599 | |
| 600 | /* |
| 601 | * With Bayer format enforce even side lengths, but let the user play |
| 602 | * with the starting pixel |
| 603 | */ |
Guennadi Liakhovetski | 64f5905 | 2008-12-18 11:51:55 -0300 | [diff] [blame] | 604 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 605 | if (mf->height > MT9M111_MAX_HEIGHT) |
| 606 | mf->height = MT9M111_MAX_HEIGHT; |
| 607 | else if (mf->height < 2) |
| 608 | mf->height = 2; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 609 | else if (bayer) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 610 | mf->height = ALIGN(mf->height, 2); |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 611 | |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 612 | if (mf->width > MT9M111_MAX_WIDTH) |
| 613 | mf->width = MT9M111_MAX_WIDTH; |
| 614 | else if (mf->width < 2) |
| 615 | mf->width = 2; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 616 | else if (bayer) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 617 | mf->width = ALIGN(mf->width, 2); |
| 618 | |
| 619 | mf->colorspace = fmt->colorspace; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 620 | |
| 621 | return 0; |
| 622 | } |
| 623 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 624 | static int mt9m111_g_chip_ident(struct v4l2_subdev *sd, |
| 625 | struct v4l2_dbg_chip_ident *id) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 626 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 627 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 628 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 629 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 630 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 631 | return -EINVAL; |
| 632 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 633 | if (id->match.addr != client->addr) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 634 | return -ENODEV; |
| 635 | |
| 636 | id->ident = mt9m111->model; |
| 637 | id->revision = 0; |
| 638 | |
| 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 643 | static int mt9m111_g_register(struct v4l2_subdev *sd, |
| 644 | struct v4l2_dbg_register *reg) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 645 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 646 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 647 | int val; |
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; |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 651 | if (reg->match.addr != client->addr) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 652 | return -ENODEV; |
| 653 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 654 | val = mt9m111_reg_read(client, reg->reg); |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 655 | reg->size = 2; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 656 | reg->val = (u64)val; |
| 657 | |
| 658 | if (reg->val > 0xffff) |
| 659 | return -EIO; |
| 660 | |
| 661 | return 0; |
| 662 | } |
| 663 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 664 | static int mt9m111_s_register(struct v4l2_subdev *sd, |
| 665 | struct v4l2_dbg_register *reg) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 666 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 667 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 668 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 669 | if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 670 | return -EINVAL; |
| 671 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 672 | if (reg->match.addr != client->addr) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 673 | return -ENODEV; |
| 674 | |
Guennadi Liakhovetski | 9538e1c | 2009-04-24 12:57:01 -0300 | [diff] [blame] | 675 | if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 676 | return -EIO; |
| 677 | |
| 678 | return 0; |
| 679 | } |
| 680 | #endif |
| 681 | |
| 682 | static const struct v4l2_queryctrl mt9m111_controls[] = { |
| 683 | { |
| 684 | .id = V4L2_CID_VFLIP, |
| 685 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 686 | .name = "Flip Verticaly", |
| 687 | .minimum = 0, |
| 688 | .maximum = 1, |
| 689 | .step = 1, |
| 690 | .default_value = 0, |
| 691 | }, { |
| 692 | .id = V4L2_CID_HFLIP, |
| 693 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 694 | .name = "Flip Horizontaly", |
| 695 | .minimum = 0, |
| 696 | .maximum = 1, |
| 697 | .step = 1, |
| 698 | .default_value = 0, |
| 699 | }, { /* gain = 1/32*val (=>gain=1 if val==32) */ |
| 700 | .id = V4L2_CID_GAIN, |
| 701 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 702 | .name = "Gain", |
| 703 | .minimum = 0, |
| 704 | .maximum = 63 * 2 * 2, |
| 705 | .step = 1, |
| 706 | .default_value = 32, |
| 707 | .flags = V4L2_CTRL_FLAG_SLIDER, |
| 708 | }, { |
| 709 | .id = V4L2_CID_EXPOSURE_AUTO, |
| 710 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 711 | .name = "Auto Exposure", |
| 712 | .minimum = 0, |
| 713 | .maximum = 1, |
| 714 | .step = 1, |
| 715 | .default_value = 1, |
| 716 | } |
| 717 | }; |
| 718 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 719 | static int mt9m111_resume(struct soc_camera_device *icd); |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 720 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 721 | |
| 722 | static struct soc_camera_ops mt9m111_ops = { |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 723 | .suspend = mt9m111_suspend, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 724 | .resume = mt9m111_resume, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 725 | .query_bus_param = mt9m111_query_bus_param, |
| 726 | .set_bus_param = mt9m111_set_bus_param, |
| 727 | .controls = mt9m111_controls, |
| 728 | .num_controls = ARRAY_SIZE(mt9m111_controls), |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 729 | }; |
| 730 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 731 | static int mt9m111_set_flip(struct i2c_client *client, int flip, int mask) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 732 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 733 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 734 | int ret; |
| 735 | |
| 736 | if (mt9m111->context == HIGHPOWER) { |
| 737 | if (flip) |
| 738 | ret = reg_set(READ_MODE_B, mask); |
| 739 | else |
| 740 | ret = reg_clear(READ_MODE_B, mask); |
| 741 | } else { |
| 742 | if (flip) |
| 743 | ret = reg_set(READ_MODE_A, mask); |
| 744 | else |
| 745 | ret = reg_clear(READ_MODE_A, mask); |
| 746 | } |
| 747 | |
| 748 | return ret; |
| 749 | } |
| 750 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 751 | static int mt9m111_get_global_gain(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 752 | { |
roel kluin | 0f28b79 | 2008-12-17 14:01:07 -0300 | [diff] [blame] | 753 | int data; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 754 | |
| 755 | data = reg_read(GLOBAL_GAIN); |
| 756 | if (data >= 0) |
roel kluin | 0f28b79 | 2008-12-17 14:01:07 -0300 | [diff] [blame] | 757 | return (data & 0x2f) * (1 << ((data >> 10) & 1)) * |
| 758 | (1 << ((data >> 9) & 1)); |
| 759 | return data; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 760 | } |
roel kluin | 0f28b79 | 2008-12-17 14:01:07 -0300 | [diff] [blame] | 761 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 762 | static int mt9m111_set_global_gain(struct i2c_client *client, int gain) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 763 | { |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 764 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 765 | u16 val; |
| 766 | |
| 767 | if (gain > 63 * 2 * 2) |
| 768 | return -EINVAL; |
| 769 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 770 | mt9m111->gain = gain; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 771 | if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) |
| 772 | val = (1 << 10) | (1 << 9) | (gain / 4); |
| 773 | else if ((gain >= 64) && (gain < 64 * 2)) |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 774 | val = (1 << 9) | (gain / 2); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 775 | else |
| 776 | val = gain; |
| 777 | |
| 778 | return reg_write(GLOBAL_GAIN, val); |
| 779 | } |
| 780 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 781 | static int mt9m111_set_autoexposure(struct i2c_client *client, int on) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 782 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 783 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 784 | int ret; |
| 785 | |
| 786 | if (on) |
| 787 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); |
| 788 | else |
| 789 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); |
| 790 | |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 791 | if (!ret) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 792 | mt9m111->autoexposure = on; |
| 793 | |
| 794 | return ret; |
| 795 | } |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 796 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 797 | static int mt9m111_set_autowhitebalance(struct i2c_client *client, int on) |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 798 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 799 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 800 | int ret; |
| 801 | |
| 802 | if (on) |
| 803 | ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); |
| 804 | else |
| 805 | ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); |
| 806 | |
| 807 | if (!ret) |
| 808 | mt9m111->autowhitebalance = on; |
| 809 | |
| 810 | return ret; |
| 811 | } |
| 812 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 813 | 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] | 814 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 815 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 816 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 817 | int data; |
| 818 | |
| 819 | switch (ctrl->id) { |
| 820 | case V4L2_CID_VFLIP: |
| 821 | if (mt9m111->context == HIGHPOWER) |
| 822 | data = reg_read(READ_MODE_B); |
| 823 | else |
| 824 | data = reg_read(READ_MODE_A); |
| 825 | |
| 826 | if (data < 0) |
| 827 | return -EIO; |
| 828 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS); |
| 829 | break; |
| 830 | case V4L2_CID_HFLIP: |
| 831 | if (mt9m111->context == HIGHPOWER) |
| 832 | data = reg_read(READ_MODE_B); |
| 833 | else |
| 834 | data = reg_read(READ_MODE_A); |
| 835 | |
| 836 | if (data < 0) |
| 837 | return -EIO; |
| 838 | ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS); |
| 839 | break; |
| 840 | case V4L2_CID_GAIN: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 841 | data = mt9m111_get_global_gain(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 842 | if (data < 0) |
| 843 | return data; |
| 844 | ctrl->value = data; |
| 845 | break; |
| 846 | case V4L2_CID_EXPOSURE_AUTO: |
| 847 | ctrl->value = mt9m111->autoexposure; |
| 848 | break; |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 849 | case V4L2_CID_AUTO_WHITE_BALANCE: |
| 850 | ctrl->value = mt9m111->autowhitebalance; |
| 851 | break; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 852 | } |
| 853 | return 0; |
| 854 | } |
| 855 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 856 | 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] | 857 | { |
Laurent Pinchart | c4ce6d1 | 2010-07-30 17:24:54 -0300 | [diff] [blame] | 858 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 859 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 860 | const struct v4l2_queryctrl *qctrl; |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 861 | int ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 862 | |
| 863 | qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 864 | if (!qctrl) |
| 865 | return -EINVAL; |
| 866 | |
| 867 | switch (ctrl->id) { |
| 868 | case V4L2_CID_VFLIP: |
| 869 | mt9m111->vflip = ctrl->value; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 870 | ret = mt9m111_set_flip(client, ctrl->value, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 871 | MT9M111_RMB_MIRROR_ROWS); |
| 872 | break; |
| 873 | case V4L2_CID_HFLIP: |
| 874 | mt9m111->hflip = ctrl->value; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 875 | ret = mt9m111_set_flip(client, ctrl->value, |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 876 | MT9M111_RMB_MIRROR_COLS); |
| 877 | break; |
| 878 | case V4L2_CID_GAIN: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 879 | ret = mt9m111_set_global_gain(client, ctrl->value); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 880 | break; |
| 881 | case V4L2_CID_EXPOSURE_AUTO: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 882 | ret = mt9m111_set_autoexposure(client, ctrl->value); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 883 | break; |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 884 | case V4L2_CID_AUTO_WHITE_BALANCE: |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 885 | ret = mt9m111_set_autowhitebalance(client, ctrl->value); |
Robert Jarzmik | 39bf372 | 2008-12-18 11:29:05 -0300 | [diff] [blame] | 886 | break; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 887 | default: |
| 888 | ret = -EINVAL; |
| 889 | } |
| 890 | |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 891 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 892 | } |
| 893 | |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 894 | static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state) |
| 895 | { |
| 896 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); |
| 897 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
| 898 | |
| 899 | mt9m111->gain = mt9m111_get_global_gain(client); |
| 900 | |
| 901 | return 0; |
| 902 | } |
| 903 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 904 | static int mt9m111_restore_state(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 905 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 906 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 907 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 908 | mt9m111_set_context(client, mt9m111->context); |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 909 | mt9m111_set_pixfmt(client, mt9m111->fmt->code); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 910 | mt9m111_setup_rect(client, &mt9m111->rect); |
| 911 | mt9m111_set_flip(client, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS); |
| 912 | mt9m111_set_flip(client, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); |
Guennadi Liakhovetski | 96c7539 | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 913 | mt9m111_set_global_gain(client, mt9m111->gain); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 914 | mt9m111_set_autoexposure(client, mt9m111->autoexposure); |
| 915 | mt9m111_set_autowhitebalance(client, mt9m111->autowhitebalance); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | static int mt9m111_resume(struct soc_camera_device *icd) |
| 920 | { |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 921 | struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 922 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 923 | int ret = 0; |
| 924 | |
| 925 | if (mt9m111->powered) { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 926 | ret = mt9m111_enable(client); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 927 | if (!ret) |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 928 | ret = mt9m111_reset(client); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 929 | if (!ret) |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 930 | ret = mt9m111_restore_state(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 931 | } |
| 932 | return ret; |
| 933 | } |
| 934 | |
Guennadi Liakhovetski | a4c56fd | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 935 | static int mt9m111_init(struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 936 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 937 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 938 | int ret; |
| 939 | |
| 940 | mt9m111->context = HIGHPOWER; |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 941 | ret = mt9m111_enable(client); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 942 | if (!ret) |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 943 | ret = mt9m111_reset(client); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 944 | if (!ret) |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 945 | ret = mt9m111_set_context(client, mt9m111->context); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 946 | if (!ret) |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 947 | ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 948 | if (ret) |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 949 | dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); |
Guennadi Liakhovetski | 506c629 | 2008-08-14 12:03:49 -0300 | [diff] [blame] | 950 | return ret; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 951 | } |
| 952 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 953 | /* |
| 954 | * Interface active, can use i2c. If it fails, it can indeed mean, that |
| 955 | * this wasn't our capture interface, so, we wait for the right one |
| 956 | */ |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 957 | static int mt9m111_video_probe(struct soc_camera_device *icd, |
| 958 | struct i2c_client *client) |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 959 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 960 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 961 | s32 data; |
| 962 | int ret; |
| 963 | |
| 964 | /* |
| 965 | * We must have a parent by now. And it cannot be a wrong one. |
| 966 | * So this entire test is completely redundant. |
| 967 | */ |
| 968 | if (!icd->dev.parent || |
| 969 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) |
| 970 | return -ENODEV; |
| 971 | |
Guennadi Liakhovetski | a4c56fd | 2009-08-25 11:53:23 -0300 | [diff] [blame] | 972 | mt9m111->autoexposure = 1; |
| 973 | mt9m111->autowhitebalance = 1; |
| 974 | |
| 975 | mt9m111->swap_rgb_even_odd = 1; |
| 976 | mt9m111->swap_rgb_red_blue = 1; |
| 977 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 978 | data = reg_read(CHIP_VERSION); |
| 979 | |
| 980 | switch (data) { |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 981 | case 0x143a: /* MT9M111 or MT9M131 */ |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 982 | mt9m111->model = V4L2_IDENT_MT9M111; |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 983 | dev_info(&client->dev, |
| 984 | "Detected a MT9M111/MT9M131 chip ID %x\n", data); |
Mike Rapoport | d7f83a5 | 2008-12-18 11:44:15 -0300 | [diff] [blame] | 985 | break; |
| 986 | case 0x148c: /* MT9M112 */ |
| 987 | mt9m111->model = V4L2_IDENT_MT9M112; |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 988 | dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 989 | break; |
| 990 | default: |
| 991 | ret = -ENODEV; |
Guennadi Liakhovetski | 85f8be6 | 2009-08-25 11:47:00 -0300 | [diff] [blame] | 992 | dev_err(&client->dev, |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 993 | "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", |
| 994 | data); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 995 | goto ei2c; |
| 996 | } |
| 997 | |
Michael Grzeschik | 175bad9 | 2010-08-03 07:57:40 -0300 | [diff] [blame] | 998 | ret = mt9m111_init(client); |
| 999 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1000 | ei2c: |
| 1001 | return ret; |
| 1002 | } |
| 1003 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1004 | static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { |
| 1005 | .g_ctrl = mt9m111_g_ctrl, |
| 1006 | .s_ctrl = mt9m111_s_ctrl, |
| 1007 | .g_chip_ident = mt9m111_g_chip_ident, |
| 1008 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1009 | .g_register = mt9m111_g_register, |
| 1010 | .s_register = mt9m111_s_register, |
| 1011 | #endif |
| 1012 | }; |
| 1013 | |
Hans Verkuil | 3805f20 | 2010-05-08 17:55:00 -0300 | [diff] [blame] | 1014 | static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1015 | enum v4l2_mbus_pixelcode *code) |
| 1016 | { |
Hans Verkuil | 3805f20 | 2010-05-08 17:55:00 -0300 | [diff] [blame] | 1017 | if (index >= ARRAY_SIZE(mt9m111_colour_fmts)) |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1018 | return -EINVAL; |
| 1019 | |
| 1020 | *code = mt9m111_colour_fmts[index].code; |
| 1021 | return 0; |
| 1022 | } |
| 1023 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1024 | static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1025 | .s_mbus_fmt = mt9m111_s_fmt, |
| 1026 | .g_mbus_fmt = mt9m111_g_fmt, |
| 1027 | .try_mbus_fmt = mt9m111_try_fmt, |
Guennadi Liakhovetski | 08590b9 | 2009-08-25 11:46:54 -0300 | [diff] [blame] | 1028 | .s_crop = mt9m111_s_crop, |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 1029 | .g_crop = mt9m111_g_crop, |
| 1030 | .cropcap = mt9m111_cropcap, |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1031 | .enum_mbus_fmt = mt9m111_enum_fmt, |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1032 | }; |
| 1033 | |
| 1034 | static struct v4l2_subdev_ops mt9m111_subdev_ops = { |
| 1035 | .core = &mt9m111_subdev_core_ops, |
| 1036 | .video = &mt9m111_subdev_video_ops, |
| 1037 | }; |
| 1038 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1039 | static int mt9m111_probe(struct i2c_client *client, |
| 1040 | const struct i2c_device_id *did) |
| 1041 | { |
| 1042 | struct mt9m111 *mt9m111; |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1043 | struct soc_camera_device *icd = client->dev.platform_data; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1044 | struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1045 | struct soc_camera_link *icl; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1046 | int ret; |
| 1047 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1048 | if (!icd) { |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 1049 | dev_err(&client->dev, "mt9m111: soc-camera data missing!\n"); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1050 | return -EINVAL; |
| 1051 | } |
| 1052 | |
| 1053 | icl = to_soc_camera_link(icd); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1054 | if (!icl) { |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 1055 | dev_err(&client->dev, "mt9m111: driver needs platform data\n"); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1056 | return -EINVAL; |
| 1057 | } |
| 1058 | |
| 1059 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { |
| 1060 | dev_warn(&adapter->dev, |
| 1061 | "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); |
| 1062 | return -EIO; |
| 1063 | } |
| 1064 | |
| 1065 | mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL); |
| 1066 | if (!mt9m111) |
| 1067 | return -ENOMEM; |
| 1068 | |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1069 | v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1070 | |
| 1071 | /* Second stage probe - when a capture adapter is there */ |
Guennadi Liakhovetski | a0705b0 | 2009-08-25 11:46:17 -0300 | [diff] [blame] | 1072 | icd->ops = &mt9m111_ops; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1073 | |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 1074 | mt9m111->rect.left = MT9M111_MIN_DARK_COLS; |
| 1075 | mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; |
| 1076 | mt9m111->rect.width = MT9M111_MAX_WIDTH; |
| 1077 | mt9m111->rect.height = MT9M111_MAX_HEIGHT; |
Guennadi Liakhovetski | 760697b | 2009-12-11 11:46:49 -0300 | [diff] [blame] | 1078 | mt9m111->fmt = &mt9m111_colour_fmts[0]; |
Guennadi Liakhovetski | 6a6c878 | 2009-08-25 11:50:46 -0300 | [diff] [blame] | 1079 | |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1080 | ret = mt9m111_video_probe(icd, client); |
| 1081 | if (ret) { |
| 1082 | icd->ops = NULL; |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1083 | kfree(mt9m111); |
| 1084 | } |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1085 | |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1086 | return ret; |
| 1087 | } |
| 1088 | |
| 1089 | static int mt9m111_remove(struct i2c_client *client) |
| 1090 | { |
Guennadi Liakhovetski | 979ea1d | 2009-08-25 11:43:33 -0300 | [diff] [blame] | 1091 | struct mt9m111 *mt9m111 = to_mt9m111(client); |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1092 | struct soc_camera_device *icd = client->dev.platform_data; |
| 1093 | |
| 1094 | icd->ops = NULL; |
Guennadi Liakhovetski | 40e2e09 | 2009-08-25 11:28:22 -0300 | [diff] [blame] | 1095 | client->driver = NULL; |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1096 | kfree(mt9m111); |
| 1097 | |
| 1098 | return 0; |
| 1099 | } |
| 1100 | |
| 1101 | static const struct i2c_device_id mt9m111_id[] = { |
| 1102 | { "mt9m111", 0 }, |
| 1103 | { } |
| 1104 | }; |
| 1105 | MODULE_DEVICE_TABLE(i2c, mt9m111_id); |
| 1106 | |
| 1107 | static struct i2c_driver mt9m111_i2c_driver = { |
| 1108 | .driver = { |
| 1109 | .name = "mt9m111", |
| 1110 | }, |
| 1111 | .probe = mt9m111_probe, |
| 1112 | .remove = mt9m111_remove, |
| 1113 | .id_table = mt9m111_id, |
| 1114 | }; |
| 1115 | |
| 1116 | static int __init mt9m111_mod_init(void) |
| 1117 | { |
| 1118 | return i2c_add_driver(&mt9m111_i2c_driver); |
| 1119 | } |
| 1120 | |
| 1121 | static void __exit mt9m111_mod_exit(void) |
| 1122 | { |
| 1123 | i2c_del_driver(&mt9m111_i2c_driver); |
| 1124 | } |
| 1125 | |
| 1126 | module_init(mt9m111_mod_init); |
| 1127 | module_exit(mt9m111_mod_exit); |
| 1128 | |
Philipp Wiesner | c8cf078 | 2010-08-03 07:57:39 -0300 | [diff] [blame] | 1129 | MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); |
Robert Jarzmik | 77110ab | 2008-08-14 12:02:51 -0300 | [diff] [blame] | 1130 | MODULE_AUTHOR("Robert Jarzmik"); |
| 1131 | MODULE_LICENSE("GPL"); |