drivers/media/usb/gspca/sq930x.c

   1 /*
   2  * SQ930x subdriver
   3  *
   4  * Copyright (C) 2010 Jean-François Moine <http://moinejf.free.fr>
   5  * Copyright (C) 2006 -2008 Gerard Klaver <gerard at gkall dot hobby dot nl>
   6  * Copyright (C) 2007 Sam Revitch <samr7@cs.washington.edu>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  20
  21 #define MODULE_NAME "sq930x"
  22
  23 #include "gspca.h"
  24
  25 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n"
  26                 "Gerard Klaver <gerard at gkall dot hobby dot nl\n"
  27                 "Sam Revitch <samr7@cs.washington.edu>");
  28 MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
  29 MODULE_LICENSE("GPL");
  30
  31 /* Structure to hold all of our device specific stuff */
  32 struct sd {
  33         struct gspca_dev gspca_dev;     /* !! must be the first item */
  34
  35         struct { /* exposure/gain control cluster */
  36                 struct v4l2_ctrl *exposure;
  37                 struct v4l2_ctrl *gain;
  38         };
  39
  40         u8 do_ctrl;
  41         u8 gpio[2];
  42         u8 sensor;
  43         u8 type;
  44 #define Generic 0
  45 #define Creative_live_motion 1
  46 };
  47 enum sensors {
  48         SENSOR_ICX098BQ,
  49         SENSOR_LZ24BP,
  50         SENSOR_MI0360,
  51         SENSOR_MT9V111,         /* = MI360SOC */
  52         SENSOR_OV7660,
  53         SENSOR_OV9630,
  54 };
  55
  56 static struct v4l2_pix_format vga_mode[] = {
  57         {320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
  58                 .bytesperline = 320,
  59                 .sizeimage = 320 * 240,
  60                 .colorspace = V4L2_COLORSPACE_SRGB,
  61                 .priv = 0},
  62         {640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
  63                 .bytesperline = 640,
  64                 .sizeimage = 640 * 480,
  65                 .colorspace = V4L2_COLORSPACE_SRGB,
  66                 .priv = 1},
  67 };
  68
  69 /* sq930x registers */
  70 #define SQ930_CTRL_UCBUS_IO     0x0001
  71 #define SQ930_CTRL_I2C_IO       0x0002
  72 #define SQ930_CTRL_GPIO         0x0005
  73 #define SQ930_CTRL_CAP_START    0x0010
  74 #define SQ930_CTRL_CAP_STOP     0x0011
  75 #define SQ930_CTRL_SET_EXPOSURE 0x001d
  76 #define SQ930_CTRL_RESET        0x001e
  77 #define SQ930_CTRL_GET_DEV_INFO 0x001f
  78
  79 /* gpio 1 (8..15) */
  80 #define SQ930_GPIO_DFL_I2C_SDA  0x0001
  81 #define SQ930_GPIO_DFL_I2C_SCL  0x0002
  82 #define SQ930_GPIO_RSTBAR       0x0004
  83 #define SQ930_GPIO_EXTRA1       0x0040
  84 #define SQ930_GPIO_EXTRA2       0x0080
  85 /* gpio 3 (24..31) */
  86 #define SQ930_GPIO_POWER        0x0200
  87 #define SQ930_GPIO_DFL_LED      0x1000
  88
  89 struct ucbus_write_cmd {
  90         u16     bw_addr;
  91         u8      bw_data;
  92 };
  93 struct i2c_write_cmd {
  94         u8      reg;
  95         u16     val;
  96 };
  97
  98 static const struct ucbus_write_cmd icx098bq_start_0[] = {
  99         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
 100         {0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
 101         {0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
 102         {0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
 103         {0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
 104         {0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
 105         {0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
 106         {0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
 107         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
 108         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
 109         {0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
 110         {0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
 111         {0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
 112         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
 113         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
 114         {0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
 115         {0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
 116         {0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
 117         {0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
 118         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
 119         {0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
 120         {0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
 121         {0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
 122         {0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
 123         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
 124         {0xf800, 0x03}
 125 };
 126 static const struct ucbus_write_cmd icx098bq_start_1[] = {
 127         {0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 128         {0xf5f4, 0xc0},
 129         {0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 130         {0xf5f4, 0xc0},
 131         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 132         {0xf5f9, 0x00}
 133 };
 134
 135 static const struct ucbus_write_cmd icx098bq_start_2[] = {
 136         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
 137         {0xf807, 0x7f}, {0xf800, 0x03},
 138         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
 139         {0xf807, 0x7f}, {0xf800, 0x03},
 140         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
 141         {0xf807, 0x7f}, {0xf800, 0x03},
 142         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
 143         {0xf807, 0x7f}, {0xf800, 0x03}
 144 };
 145
 146 static const struct ucbus_write_cmd lz24bp_start_0[] = {
 147         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
 148         {0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
 149         {0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
 150         {0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
 151         {0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
 152         {0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
 153         {0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
 154         {0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
 155         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
 156         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
 157         {0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
 158         {0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
 159         {0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
 160         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
 161         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
 162         {0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
 163         {0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
 164         {0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
 165         {0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
 166         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
 167         {0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
 168         {0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
 169         {0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
 170         {0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
 171         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
 172         {0xf800, 0x03}
 173 };
 174 static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
 175         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 176         {0xf5f4, 0xb3},
 177         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 178         {0xf5f4, 0xb3},
 179         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 180         {0xf5f9, 0x00}
 181 };
 182
 183 static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
 184         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
 185         {0xf5f4, 0xc0},
 186         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
 187         {0xf5f4, 0xc0},
 188         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 189         {0xf5f9, 0x00}
 190 };
 191
 192 static const struct ucbus_write_cmd lz24bp_start_2[] = {
 193         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
 194         {0xf807, 0x7f}, {0xf800, 0x03},
 195         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
 196         {0xf807, 0x7f}, {0xf800, 0x03},
 197         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
 198         {0xf807, 0x7f}, {0xf800, 0x03},
 199         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
 200         {0xf807, 0x7f}, {0xf800, 0x03}
 201 };
 202
 203 static const struct ucbus_write_cmd mi0360_start_0[] = {
 204         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
 205         {0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
 206 };
 207 static const struct i2c_write_cmd mi0360_init_23[] = {
 208         {0x30, 0x0040},         /* reserved - def 0x0005 */
 209         {0x31, 0x0000},         /* reserved - def 0x002a */
 210         {0x34, 0x0100},         /* reserved - def 0x0100 */
 211         {0x3d, 0x068f},         /* reserved - def 0x068f */
 212 };
 213 static const struct i2c_write_cmd mi0360_init_24[] = {
 214         {0x03, 0x01e5},         /* window height */
 215         {0x04, 0x0285},         /* window width */
 216 };
 217 static const struct i2c_write_cmd mi0360_init_25[] = {
 218         {0x35, 0x0020},         /* global gain */
 219         {0x2b, 0x0020},         /* green1 gain */
 220         {0x2c, 0x002a},         /* blue gain */
 221         {0x2d, 0x0028},         /* red gain */
 222         {0x2e, 0x0020},         /* green2 gain */
 223 };
 224 static const struct ucbus_write_cmd mi0360_start_1[] = {
 225         {0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 226         {0xf5f4, 0xa6},
 227         {0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 228         {0xf5f4, 0xa6},
 229         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 230         {0xf5f9, 0x00}
 231 };
 232 static const struct i2c_write_cmd mi0360_start_2[] = {
 233         {0x62, 0x041d},         /* reserved - def 0x0418 */
 234 };
 235 static const struct i2c_write_cmd mi0360_start_3[] = {
 236         {0x05, 0x007b},         /* horiz blanking */
 237 };
 238 static const struct i2c_write_cmd mi0360_start_4[] = {
 239         {0x05, 0x03f5},         /* horiz blanking */
 240 };
 241
 242 static const struct i2c_write_cmd mt9v111_init_0[] = {
 243         {0x01, 0x0001},         /* select IFP/SOC registers */
 244         {0x06, 0x300c},         /* operating mode control */
 245         {0x08, 0xcc00},         /* output format control (RGB) */
 246         {0x01, 0x0004},         /* select sensor core registers */
 247 };
 248 static const struct i2c_write_cmd mt9v111_init_1[] = {
 249         {0x03, 0x01e5},         /* window height */
 250         {0x04, 0x0285},         /* window width */
 251 };
 252 static const struct i2c_write_cmd mt9v111_init_2[] = {
 253         {0x30, 0x7800},
 254         {0x31, 0x0000},
 255         {0x07, 0x3002},         /* output control */
 256         {0x35, 0x0020},         /* global gain */
 257         {0x2b, 0x0020},         /* green1 gain */
 258         {0x2c, 0x0020},         /* blue gain */
 259         {0x2d, 0x0020},         /* red gain */
 260         {0x2e, 0x0020},         /* green2 gain */
 261 };
 262 static const struct ucbus_write_cmd mt9v111_start_1[] = {
 263         {0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 264         {0xf5f4, 0xaa},
 265         {0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 266         {0xf5f4, 0xaa},
 267         {0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
 268         {0xf5f9, 0x0a}
 269 };
 270 static const struct i2c_write_cmd mt9v111_init_3[] = {
 271         {0x62, 0x0405},
 272 };
 273 static const struct i2c_write_cmd mt9v111_init_4[] = {
 274 /*      {0x05, 0x00ce}, */
 275         {0x05, 0x005d},         /* horizontal blanking */
 276 };
 277
 278 static const struct ucbus_write_cmd ov7660_start_0[] = {
 279         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
 280         {0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
 281 };
 282
 283 static const struct ucbus_write_cmd ov9630_start_0[] = {
 284         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
 285         {0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
 286 };
 287
 288 /* start parameters indexed by [sensor][mode] */
 289 static const struct cap_s {
 290         u8      cc_sizeid;
 291         u8      cc_bytes[32];
 292 } capconfig[4][2] = {
 293         [SENSOR_ICX098BQ] = {
 294                 {2,                             /* Bayer 320x240 */
 295                   {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
 296                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 297                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
 298                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 299                 {4,                             /* Bayer 640x480 */
 300                   {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
 301                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 302                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 303                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 304         },
 305         [SENSOR_LZ24BP] = {
 306                 {2,                             /* Bayer 320x240 */
 307                   {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
 308                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 309                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 310                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 311                 {4,                             /* Bayer 640x480 */
 312                   {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
 313                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 314                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 315                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 316         },
 317         [SENSOR_MI0360] = {
 318                 {2,                             /* Bayer 320x240 */
 319                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 320                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 321                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 322                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 323                 {4,                             /* Bayer 640x480 */
 324                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 325                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 326                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 327                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 328         },
 329         [SENSOR_MT9V111] = {
 330                 {2,                             /* Bayer 320x240 */
 331                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 332                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 333                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 334                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 335                 {4,                             /* Bayer 640x480 */
 336                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 337                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 338                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 339                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 340         },
 341 };
 342
 343 struct sensor_s {
 344         const char *name;
 345         u8 i2c_addr;
 346         u8 i2c_dum;
 347         u8 gpio[5];
 348         u8 cmd_len;
 349         const struct ucbus_write_cmd *cmd;
 350 };
 351
 352 static const struct sensor_s sensor_tb[] = {
 353         [SENSOR_ICX098BQ] = {
 354                 "icx098bp",
 355                 0x00, 0x00,
 356                 {0,
 357                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 358                  SQ930_GPIO_DFL_I2C_SDA,
 359                  0,
 360                  SQ930_GPIO_RSTBAR
 361                 },
 362                 8, icx098bq_start_0
 363             },
 364         [SENSOR_LZ24BP] = {
 365                 "lz24bp",
 366                 0x00, 0x00,
 367                 {0,
 368                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 369                  SQ930_GPIO_DFL_I2C_SDA,
 370                  0,
 371                  SQ930_GPIO_RSTBAR
 372                 },
 373                 8, lz24bp_start_0
 374             },
 375         [SENSOR_MI0360] = {
 376                 "mi0360",
 377                 0x5d, 0x80,
 378                 {SQ930_GPIO_RSTBAR,
 379                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 380                  SQ930_GPIO_DFL_I2C_SDA,
 381                  0,
 382                  0
 383                 },
 384                 7, mi0360_start_0
 385             },
 386         [SENSOR_MT9V111] = {
 387                 "mt9v111",
 388                 0x5c, 0x7f,
 389                 {SQ930_GPIO_RSTBAR,
 390                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 391                  SQ930_GPIO_DFL_I2C_SDA,
 392                  0,
 393                  0
 394                 },
 395                 7, mi0360_start_0
 396             },
 397         [SENSOR_OV7660] = {
 398                 "ov7660",
 399                 0x21, 0x00,
 400                 {0,
 401                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 402                  SQ930_GPIO_DFL_I2C_SDA,
 403                  0,
 404                  SQ930_GPIO_RSTBAR
 405                 },
 406                 7, ov7660_start_0
 407             },
 408         [SENSOR_OV9630] = {
 409                 "ov9630",
 410                 0x30, 0x00,
 411                 {0,
 412                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 413                  SQ930_GPIO_DFL_I2C_SDA,
 414                  0,
 415                  SQ930_GPIO_RSTBAR
 416                 },
 417                 7, ov9630_start_0
 418             },
 419 };
 420
 421 static void reg_r(struct gspca_dev *gspca_dev,
 422                 u16 value, int len)
 423 {
 424         int ret;
 425
 426         if (gspca_dev->usb_err < 0)
 427                 return;
 428         ret = usb_control_msg(gspca_dev->dev,
 429                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 430                         0x0c,
 431                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 432                         value, 0, gspca_dev->usb_buf, len,
 433                         500);
 434         if (ret < 0) {
 435                 pr_err("reg_r %04x failed %d\n", value, ret);
 436                 gspca_dev->usb_err = ret;
 437                 /*
 438                  * Make sure the buffer is zeroed to avoid uninitialized
 439                  * values.
 440                  */
 441                 memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 442         }
 443 }
 444
 445 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
 446 {
 447         int ret;
 448
 449         if (gspca_dev->usb_err < 0)
 450                 return;
 451         gspca_dbg(gspca_dev, D_USBO, "reg_w v: %04x i: %04x\n", value, index);
 452         ret = usb_control_msg(gspca_dev->dev,
 453                         usb_sndctrlpipe(gspca_dev->dev, 0),
 454                         0x0c,                   /* request */
 455                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 456                         value, index, NULL, 0,
 457                         500);
 458         msleep(30);
 459         if (ret < 0) {
 460                 pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
 461                 gspca_dev->usb_err = ret;
 462         }
 463 }
 464
 465 static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
 466                 const u8 *data, int len)
 467 {
 468         int ret;
 469
 470         if (gspca_dev->usb_err < 0)
 471                 return;
 472         gspca_dbg(gspca_dev, D_USBO, "reg_wb v: %04x i: %04x %02x...%02x\n",
 473                   value, index, *data, data[len - 1]);
 474         memcpy(gspca_dev->usb_buf, data, len);
 475         ret = usb_control_msg(gspca_dev->dev,
 476                         usb_sndctrlpipe(gspca_dev->dev, 0),
 477                         0x0c,                   /* request */
 478                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 479                         value, index, gspca_dev->usb_buf, len,
 480                         1000);
 481         msleep(30);
 482         if (ret < 0) {
 483                 pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
 484                 gspca_dev->usb_err = ret;
 485         }
 486 }
 487
 488 static void i2c_write(struct sd *sd,
 489                         const struct i2c_write_cmd *cmd,
 490                         int ncmds)
 491 {
 492         struct gspca_dev *gspca_dev = &sd->gspca_dev;
 493         const struct sensor_s *sensor;
 494         u16 val, idx;
 495         u8 *buf;
 496         int ret;
 497
 498         if (gspca_dev->usb_err < 0)
 499                 return;
 500
 501         sensor = &sensor_tb[sd->sensor];
 502
 503         val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
 504         idx = (cmd->val & 0xff00) | cmd->reg;
 505
 506         buf = gspca_dev->usb_buf;
 507         *buf++ = sensor->i2c_dum;
 508         *buf++ = cmd->val;
 509
 510         while (--ncmds > 0) {
 511                 cmd++;
 512                 *buf++ = cmd->reg;
 513                 *buf++ = cmd->val >> 8;
 514                 *buf++ = sensor->i2c_dum;
 515                 *buf++ = cmd->val;
 516         }
 517
 518         gspca_dbg(gspca_dev, D_USBO, "i2c_w v: %04x i: %04x %02x...%02x\n",
 519                   val, idx, gspca_dev->usb_buf[0], buf[-1]);
 520         ret = usb_control_msg(gspca_dev->dev,
 521                         usb_sndctrlpipe(gspca_dev->dev, 0),
 522                         0x0c,                   /* request */
 523                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 524                         val, idx,
 525                         gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
 526                         500);
 527         if (ret < 0) {
 528                 pr_err("i2c_write failed %d\n", ret);
 529                 gspca_dev->usb_err = ret;
 530         }
 531 }
 532
 533 static void ucbus_write(struct gspca_dev *gspca_dev,
 534                         const struct ucbus_write_cmd *cmd,
 535                         int ncmds,
 536                         int batchsize)
 537 {
 538         u8 *buf;
 539         u16 val, idx;
 540         int len, ret;
 541
 542         if (gspca_dev->usb_err < 0)
 543                 return;
 544
 545         if ((batchsize - 1) * 3 > USB_BUF_SZ) {
 546                 gspca_err(gspca_dev, "Bug: usb_buf overflow\n");
 547                 gspca_dev->usb_err = -ENOMEM;
 548                 return;
 549         }
 550
 551         for (;;) {
 552                 len = ncmds;
 553                 if (len > batchsize)
 554                         len = batchsize;
 555                 ncmds -= len;
 556
 557                 val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
 558                 idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
 559
 560                 buf = gspca_dev->usb_buf;
 561                 while (--len > 0) {
 562                         cmd++;
 563                         *buf++ = cmd->bw_addr;
 564                         *buf++ = cmd->bw_addr >> 8;
 565                         *buf++ = cmd->bw_data;
 566                 }
 567                 if (buf != gspca_dev->usb_buf)
 568                         gspca_dbg(gspca_dev, D_USBO, "ucbus v: %04x i: %04x %02x...%02x\n",
 569                                   val, idx,
 570                                   gspca_dev->usb_buf[0], buf[-1]);
 571                 else
 572                         gspca_dbg(gspca_dev, D_USBO, "ucbus v: %04x i: %04x\n",
 573                                   val, idx);
 574                 ret = usb_control_msg(gspca_dev->dev,
 575                                 usb_sndctrlpipe(gspca_dev->dev, 0),
 576                                 0x0c,                   /* request */
 577                            USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 578                                 val, idx,
 579                                 gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
 580                                 500);
 581                 if (ret < 0) {
 582                         pr_err("ucbus_write failed %d\n", ret);
 583                         gspca_dev->usb_err = ret;
 584                         return;
 585                 }
 586                 msleep(30);
 587                 if (ncmds <= 0)
 588                         break;
 589                 cmd++;
 590         }
 591 }
 592
 593 static void gpio_set(struct sd *sd, u16 val, u16 mask)
 594 {
 595         struct gspca_dev *gspca_dev = &sd->gspca_dev;
 596
 597         if (mask & 0x00ff) {
 598                 sd->gpio[0] &= ~mask;
 599                 sd->gpio[0] |= val;
 600                 reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
 601                         ~sd->gpio[0] << 8);
 602         }
 603         mask >>= 8;
 604         val >>= 8;
 605         if (mask) {
 606                 sd->gpio[1] &= ~mask;
 607                 sd->gpio[1] |= val;
 608                 reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
 609                         ~sd->gpio[1] << 8);
 610         }
 611 }
 612
 613 static void gpio_init(struct sd *sd,
 614                         const u8 *gpio)
 615 {
 616         gpio_set(sd, *gpio++, 0x000f);
 617         gpio_set(sd, *gpio++, 0x000f);
 618         gpio_set(sd, *gpio++, 0x000f);
 619         gpio_set(sd, *gpio++, 0x000f);
 620         gpio_set(sd, *gpio, 0x000f);
 621 }
 622
 623 static void bridge_init(struct sd *sd)
 624 {
 625         static const struct ucbus_write_cmd clkfreq_cmd = {
 626                                 0xf031, 0       /* SQ930_CLKFREQ_60MHZ */
 627         };
 628
 629         ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
 630
 631         gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
 632 }
 633
 634 static void cmos_probe(struct gspca_dev *gspca_dev)
 635 {
 636         struct sd *sd = (struct sd *) gspca_dev;
 637         int i;
 638         const struct sensor_s *sensor;
 639         static const u8 probe_order[] = {
 640 /*              SENSOR_LZ24BP,          (tested as ccd) */
 641                 SENSOR_OV9630,
 642                 SENSOR_MI0360,
 643                 SENSOR_OV7660,
 644                 SENSOR_MT9V111,
 645         };
 646
 647         for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
 648                 sensor = &sensor_tb[probe_order[i]];
 649                 ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
 650                 gpio_init(sd, sensor->gpio);
 651                 msleep(100);
 652                 reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
 653                 msleep(100);
 654                 if (gspca_dev->usb_buf[0] != 0)
 655                         break;
 656         }
 657         if (i >= ARRAY_SIZE(probe_order)) {
 658                 pr_err("Unknown sensor\n");
 659                 gspca_dev->usb_err = -EINVAL;
 660                 return;
 661         }
 662         sd->sensor = probe_order[i];
 663         switch (sd->sensor) {
 664         case SENSOR_OV7660:
 665         case SENSOR_OV9630:
 666                 pr_err("Sensor %s not yet treated\n",
 667                        sensor_tb[sd->sensor].name);
 668                 gspca_dev->usb_err = -EINVAL;
 669                 break;
 670         }
 671 }
 672
 673 static void mt9v111_init(struct gspca_dev *gspca_dev)
 674 {
 675         int i, nwait;
 676         static const u8 cmd_001b[] = {
 677                 0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
 678                 0x00, 0x00, 0x00
 679         };
 680         static const u8 cmd_011b[][7] = {
 681                 {0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
 682                 {0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
 683                 {0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
 684                 {0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
 685         };
 686
 687         reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
 688         for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
 689                 reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
 690                                 ARRAY_SIZE(cmd_011b[0]));
 691                 msleep(400);
 692                 nwait = 20;
 693                 for (;;) {
 694                         reg_r(gspca_dev, 0x031b, 1);
 695                         if (gspca_dev->usb_buf[0] == 0
 696                          || gspca_dev->usb_err != 0)
 697                                 break;
 698                         if (--nwait < 0) {
 699                                 gspca_dbg(gspca_dev, D_PROBE, "mt9v111_init timeout\n");
 700                                 gspca_dev->usb_err = -ETIME;
 701                                 return;
 702                         }
 703                         msleep(50);
 704                 }
 705         }
 706 }
 707
 708 static void global_init(struct sd *sd, int first_time)
 709 {
 710         switch (sd->sensor) {
 711         case SENSOR_ICX098BQ:
 712                 if (first_time)
 713                         ucbus_write(&sd->gspca_dev,
 714                                         icx098bq_start_0,
 715                                         8, 8);
 716                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
 717                 break;
 718         case SENSOR_LZ24BP:
 719                 if (sd->type != Creative_live_motion)
 720                         gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
 721                 else
 722                         gpio_set(sd, 0, 0x00ff);
 723                 msleep(50);
 724                 if (first_time)
 725                         ucbus_write(&sd->gspca_dev,
 726                                         lz24bp_start_0,
 727                                         8, 8);
 728                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
 729                 break;
 730         case SENSOR_MI0360:
 731                 if (first_time)
 732                         ucbus_write(&sd->gspca_dev,
 733                                         mi0360_start_0,
 734                                         ARRAY_SIZE(mi0360_start_0),
 735                                         8);
 736                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
 737                 gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
 738                 break;
 739         default:
 740 /*      case SENSOR_MT9V111: */
 741                 if (first_time)
 742                         mt9v111_init(&sd->gspca_dev);
 743                 else
 744                         gpio_init(sd, sensor_tb[sd->sensor].gpio);
 745                 break;
 746         }
 747 }
 748
 749 static void lz24bp_ppl(struct sd *sd, u16 ppl)
 750 {
 751         struct ucbus_write_cmd cmds[2] = {
 752                 {0xf810, ppl >> 8},
 753                 {0xf811, ppl}
 754         };
 755
 756         ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
 757 }
 758
 759 static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 gain)
 760 {
 761         struct sd *sd = (struct sd *) gspca_dev;
 762         int i, integclks, intstartclk, frameclks, min_frclk;
 763         const struct sensor_s *sensor;
 764         u16 cmd;
 765         u8 buf[15];
 766
 767         integclks = expo;
 768         i = 0;
 769         cmd = SQ930_CTRL_SET_EXPOSURE;
 770
 771         switch (sd->sensor) {
 772         case SENSOR_ICX098BQ:                   /* ccd */
 773         case SENSOR_LZ24BP:
 774                 min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
 775                 if (integclks >= min_frclk) {
 776                         intstartclk = 0;
 777                         frameclks = integclks;
 778                 } else {
 779                         intstartclk = min_frclk - integclks;
 780                         frameclks = min_frclk;
 781                 }
 782                 buf[i++] = intstartclk >> 8;
 783                 buf[i++] = intstartclk;
 784                 buf[i++] = frameclks >> 8;
 785                 buf[i++] = frameclks;
 786                 buf[i++] = gain;
 787                 break;
 788         default:                                /* cmos */
 789 /*      case SENSOR_MI0360: */
 790 /*      case SENSOR_MT9V111: */
 791                 cmd |= 0x0100;
 792                 sensor = &sensor_tb[sd->sensor];
 793                 buf[i++] = sensor->i2c_addr;    /* i2c_slave_addr */
 794                 buf[i++] = 0x08;        /* 2 * ni2c */
 795                 buf[i++] = 0x09;        /* reg = shutter width */
 796                 buf[i++] = integclks >> 8; /* val H */
 797                 buf[i++] = sensor->i2c_dum;
 798                 buf[i++] = integclks;   /* val L */
 799                 buf[i++] = 0x35;        /* reg = global gain */
 800                 buf[i++] = 0x00;        /* val H */
 801                 buf[i++] = sensor->i2c_dum;
 802                 buf[i++] = 0x80 + gain / 2; /* val L */
 803                 buf[i++] = 0x00;
 804                 buf[i++] = 0x00;
 805                 buf[i++] = 0x00;
 806                 buf[i++] = 0x00;
 807                 buf[i++] = 0x83;
 808                 break;
 809         }
 810         reg_wb(gspca_dev, cmd, 0, buf, i);
 811 }
 812
 813 /* This function is called at probe time just before sd_init */
 814 static int sd_config(struct gspca_dev *gspca_dev,
 815                 const struct usb_device_id *id)
 816 {
 817         struct sd *sd = (struct sd *) gspca_dev;
 818         struct cam *cam = &gspca_dev->cam;
 819
 820         sd->sensor = id->driver_info >> 8;
 821         sd->type = id->driver_info;
 822
 823         cam->cam_mode = vga_mode;
 824         cam->nmodes = ARRAY_SIZE(vga_mode);
 825
 826         cam->bulk = 1;
 827
 828         return 0;
 829 }
 830
 831 /* this function is called at probe and resume time */
 832 static int sd_init(struct gspca_dev *gspca_dev)
 833 {
 834         struct sd *sd = (struct sd *) gspca_dev;
 835
 836         sd->gpio[0] = sd->gpio[1] = 0xff;       /* force gpio rewrite */
 837
 838 /*fixme: is this needed for icx098bp and mi0360?
 839         if (sd->sensor != SENSOR_LZ24BP)
 840                 reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
 841  */
 842
 843         reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
 844         if (gspca_dev->usb_err < 0)
 845                 return gspca_dev->usb_err;
 846
 847 /* it returns:
 848  * 03 00 12 93 0b f6 c9 00      live! ultra
 849  * 03 00 07 93 0b f6 ca 00      live! ultra for notebook
 850  * 03 00 12 93 0b fe c8 00      Trust WB-3500T
 851  * 02 00 06 93 0b fe c8 00      Joy-IT 318S
 852  * 03 00 12 93 0b f6 cf 00      icam tracer - sensor icx098bq
 853  * 02 00 12 93 0b fe cf 00      ProQ Motion Webcam
 854  *
 855  * byte
 856  * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
 857  * 1: 00
 858  * 2: 06 / 07 / 12 = mode webcam? firmware??
 859  * 3: 93 chip = 930b (930b or 930c)
 860  * 4: 0b
 861  * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
 862  * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
 863  * 7: 00
 864  */
 865         gspca_dbg(gspca_dev, D_PROBE, "info: %*ph\n", 8, gspca_dev->usb_buf);
 866
 867         bridge_init(sd);
 868
 869         if (sd->sensor == SENSOR_MI0360) {
 870
 871                 /* no sensor probe for icam tracer */
 872                 if (gspca_dev->usb_buf[5] == 0xf6)      /* if ccd */
 873                         sd->sensor = SENSOR_ICX098BQ;
 874                 else
 875                         cmos_probe(gspca_dev);
 876         }
 877         if (gspca_dev->usb_err >= 0) {
 878                 gspca_dbg(gspca_dev, D_PROBE, "Sensor %s\n",
 879                           sensor_tb[sd->sensor].name);
 880                 global_init(sd, 1);
 881         }
 882         return gspca_dev->usb_err;
 883 }
 884
 885 /* send the start/stop commands to the webcam */
 886 static void send_start(struct gspca_dev *gspca_dev)
 887 {
 888         struct sd *sd = (struct sd *) gspca_dev;
 889         const struct cap_s *cap;
 890         int mode;
 891
 892         mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
 893         cap = &capconfig[sd->sensor][mode];
 894         reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
 895                         0x0a00 | cap->cc_sizeid,
 896                         cap->cc_bytes, 32);
 897 }
 898
 899 static void send_stop(struct gspca_dev *gspca_dev)
 900 {
 901         reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
 902 }
 903
 904 /* function called at start time before URB creation */
 905 static int sd_isoc_init(struct gspca_dev *gspca_dev)
 906 {
 907         struct sd *sd = (struct sd *) gspca_dev;
 908
 909         gspca_dev->cam.bulk_nurbs = 1;  /* there must be one URB only */
 910         sd->do_ctrl = 0;
 911         gspca_dev->cam.bulk_size = gspca_dev->pixfmt.width *
 912                         gspca_dev->pixfmt.height + 8;
 913         return 0;
 914 }
 915
 916 /* start the capture */
 917 static int sd_start(struct gspca_dev *gspca_dev)
 918 {
 919         struct sd *sd = (struct sd *) gspca_dev;
 920         int mode;
 921
 922         bridge_init(sd);
 923         global_init(sd, 0);
 924         msleep(100);
 925
 926         switch (sd->sensor) {
 927         case SENSOR_ICX098BQ:
 928                 ucbus_write(gspca_dev, icx098bq_start_0,
 929                                 ARRAY_SIZE(icx098bq_start_0),
 930                                 8);
 931                 ucbus_write(gspca_dev, icx098bq_start_1,
 932                                 ARRAY_SIZE(icx098bq_start_1),
 933                                 5);
 934                 ucbus_write(gspca_dev, icx098bq_start_2,
 935                                 ARRAY_SIZE(icx098bq_start_2),
 936                                 6);
 937                 msleep(50);
 938
 939                 /* 1st start */
 940                 send_start(gspca_dev);
 941                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
 942                 msleep(70);
 943                 reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
 944                 gpio_set(sd, 0x7f, 0x00ff);
 945
 946                 /* 2nd start */
 947                 send_start(gspca_dev);
 948                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
 949                 goto out;
 950         case SENSOR_LZ24BP:
 951                 ucbus_write(gspca_dev, lz24bp_start_0,
 952                                 ARRAY_SIZE(lz24bp_start_0),
 953                                 8);
 954                 if (sd->type != Creative_live_motion)
 955                         ucbus_write(gspca_dev, lz24bp_start_1_gen,
 956                                         ARRAY_SIZE(lz24bp_start_1_gen),
 957                                         5);
 958                 else
 959                         ucbus_write(gspca_dev, lz24bp_start_1_clm,
 960                                         ARRAY_SIZE(lz24bp_start_1_clm),
 961                                         5);
 962                 ucbus_write(gspca_dev, lz24bp_start_2,
 963                                 ARRAY_SIZE(lz24bp_start_2),
 964                                 6);
 965                 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
 966                 lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
 967                 msleep(10);
 968                 break;
 969         case SENSOR_MI0360:
 970                 ucbus_write(gspca_dev, mi0360_start_0,
 971                                 ARRAY_SIZE(mi0360_start_0),
 972                                 8);
 973                 i2c_write(sd, mi0360_init_23,
 974                                 ARRAY_SIZE(mi0360_init_23));
 975                 i2c_write(sd, mi0360_init_24,
 976                                 ARRAY_SIZE(mi0360_init_24));
 977                 i2c_write(sd, mi0360_init_25,
 978                                 ARRAY_SIZE(mi0360_init_25));
 979                 ucbus_write(gspca_dev, mi0360_start_1,
 980                                 ARRAY_SIZE(mi0360_start_1),
 981                                 5);
 982                 i2c_write(sd, mi0360_start_2,
 983                                 ARRAY_SIZE(mi0360_start_2));
 984                 i2c_write(sd, mi0360_start_3,
 985                                 ARRAY_SIZE(mi0360_start_3));
 986
 987                 /* 1st start */
 988                 send_start(gspca_dev);
 989                 msleep(60);
 990                 send_stop(gspca_dev);
 991
 992                 i2c_write(sd,
 993                         mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
 994                 break;
 995         default:
 996 /*      case SENSOR_MT9V111: */
 997                 ucbus_write(gspca_dev, mi0360_start_0,
 998                                 ARRAY_SIZE(mi0360_start_0),
 999                                 8);
1000                 i2c_write(sd, mt9v111_init_0,
1001                                 ARRAY_SIZE(mt9v111_init_0));
1002                 i2c_write(sd, mt9v111_init_1,
1003                                 ARRAY_SIZE(mt9v111_init_1));
1004                 i2c_write(sd, mt9v111_init_2,
1005                                 ARRAY_SIZE(mt9v111_init_2));
1006                 ucbus_write(gspca_dev, mt9v111_start_1,
1007                                 ARRAY_SIZE(mt9v111_start_1),
1008                                 5);
1009                 i2c_write(sd, mt9v111_init_3,
1010                                 ARRAY_SIZE(mt9v111_init_3));
1011                 i2c_write(sd, mt9v111_init_4,
1012                                 ARRAY_SIZE(mt9v111_init_4));
1013                 break;
1014         }
1015
1016         send_start(gspca_dev);
1017 out:
1018         msleep(1000);
1019
1020         if (sd->sensor == SENSOR_MT9V111)
1021                 gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1022
1023         sd->do_ctrl = 1;        /* set the exposure */
1024
1025         return gspca_dev->usb_err;
1026 }
1027
1028 static void sd_stopN(struct gspca_dev *gspca_dev)
1029 {
1030         struct sd *sd = (struct sd *) gspca_dev;
1031
1032         if (sd->sensor == SENSOR_MT9V111)
1033                 gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1034         send_stop(gspca_dev);
1035 }
1036
1037 /* function called when the application gets a new frame */
1038 /* It sets the exposure if required and restart the bulk transfer. */
1039 static void sd_dq_callback(struct gspca_dev *gspca_dev)
1040 {
1041         struct sd *sd = (struct sd *) gspca_dev;
1042         int ret;
1043
1044         if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1045                 return;
1046         sd->do_ctrl = 0;
1047
1048         setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure),
1049                         v4l2_ctrl_g_ctrl(sd->gain));
1050
1051         gspca_dev->cam.bulk_nurbs = 1;
1052         ret = usb_submit_urb(gspca_dev->urb[0], GFP_ATOMIC);
1053         if (ret < 0)
1054                 pr_err("sd_dq_callback() err %d\n", ret);
1055
1056         /* wait a little time, otherwise the webcam crashes */
1057         msleep(100);
1058 }
1059
1060 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1061                         u8 *data,               /* isoc packet */
1062                         int len)                /* iso packet length */
1063 {
1064         struct sd *sd = (struct sd *) gspca_dev;
1065
1066         if (sd->do_ctrl)
1067                 gspca_dev->cam.bulk_nurbs = 0;
1068         gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1069         gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1070         gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1071 }
1072
1073 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1074 {
1075         struct gspca_dev *gspca_dev =
1076                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1077         struct sd *sd = (struct sd *) gspca_dev;
1078
1079         gspca_dev->usb_err = 0;
1080
1081         if (!gspca_dev->streaming)
1082                 return 0;
1083
1084         switch (ctrl->id) {
1085         case V4L2_CID_EXPOSURE:
1086                 setexposure(gspca_dev, ctrl->val, sd->gain->val);
1087                 break;
1088         }
1089         return gspca_dev->usb_err;
1090 }
1091
1092 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1093         .s_ctrl = sd_s_ctrl,
1094 };
1095
1096 static int sd_init_controls(struct gspca_dev *gspca_dev)
1097 {
1098         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1099         struct sd *sd = (struct sd *) gspca_dev;
1100
1101         gspca_dev->vdev.ctrl_handler = hdl;
1102         v4l2_ctrl_handler_init(hdl, 2);
1103         sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1104                         V4L2_CID_EXPOSURE, 1, 0xfff, 1, 0x356);
1105         sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1106                         V4L2_CID_GAIN, 1, 255, 1, 0x8d);
1107
1108         if (hdl->error) {
1109                 pr_err("Could not initialize controls\n");
1110                 return hdl->error;
1111         }
1112         v4l2_ctrl_cluster(2, &sd->exposure);
1113         return 0;
1114 }
1115
1116 /* sub-driver description */
1117 static const struct sd_desc sd_desc = {
1118         .name   = MODULE_NAME,
1119         .config = sd_config,
1120         .init   = sd_init,
1121         .init_controls = sd_init_controls,
1122         .isoc_init = sd_isoc_init,
1123         .start  = sd_start,
1124         .stopN  = sd_stopN,
1125         .pkt_scan = sd_pkt_scan,
1126         .dq_callback = sd_dq_callback,
1127 };
1128
1129 /* Table of supported USB devices */
1130 #define ST(sensor, type) \
1131         .driver_info = (SENSOR_ ## sensor << 8) \
1132                         | (type)
1133 static const struct usb_device_id device_table[] = {
1134         {USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1135         {USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1136         {USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1137         {USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1138         {USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1139         {USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1140         {}
1141 };
1142 MODULE_DEVICE_TABLE(usb, device_table);
1143
1144
1145 /* -- device connect -- */
1146 static int sd_probe(struct usb_interface *intf,
1147                 const struct usb_device_id *id)
1148 {
1149         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1150                         THIS_MODULE);
1151 }
1152
1153 static struct usb_driver sd_driver = {
1154         .name       = MODULE_NAME,
1155         .id_table   = device_table,
1156         .probe      = sd_probe,
1157         .disconnect = gspca_disconnect,
1158 #ifdef CONFIG_PM
1159         .suspend    = gspca_suspend,
1160         .resume     = gspca_resume,
1161         .reset_resume = gspca_resume,
1162 #endif
1163 };
1164
1165 module_usb_driver(sd_driver);