drivers/media/video/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  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  24
  25 #define MODULE_NAME "sq930x"
  26
  27 #include "gspca.h"
  28
  29 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n"
  30                 "Gerard Klaver <gerard at gkall dot hobby dot nl\n"
  31                 "Sam Revitch <samr7@cs.washington.edu>");
  32 MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
  33 MODULE_LICENSE("GPL");
  34
  35 /* Structure to hold all of our device specific stuff */
  36 struct sd {
  37         struct gspca_dev gspca_dev;     /* !! must be the first item */
  38
  39         u16 expo;
  40         u8 gain;
  41
  42         u8 do_ctrl;
  43         u8 gpio[2];
  44         u8 sensor;
  45         u8 type;
  46 #define Generic 0
  47 #define Creative_live_motion 1
  48 };
  49 enum sensors {
  50         SENSOR_ICX098BQ,
  51         SENSOR_LZ24BP,
  52         SENSOR_MI0360,
  53         SENSOR_MT9V111,         /* = MI360SOC */
  54         SENSOR_OV7660,
  55         SENSOR_OV9630,
  56 };
  57
  58 static int sd_setexpo(struct gspca_dev *gspca_dev, __s32 val);
  59 static int sd_getexpo(struct gspca_dev *gspca_dev, __s32 *val);
  60 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
  61 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
  62
  63 static const struct ctrl sd_ctrls[] = {
  64         {
  65             {
  66                 .id = V4L2_CID_EXPOSURE,
  67                 .type = V4L2_CTRL_TYPE_INTEGER,
  68                 .name = "Exposure",
  69                 .minimum = 0x0001,
  70                 .maximum = 0x0fff,
  71                 .step = 1,
  72 #define EXPO_DEF 0x0356
  73                 .default_value = EXPO_DEF,
  74             },
  75             .set = sd_setexpo,
  76             .get = sd_getexpo,
  77         },
  78         {
  79             {
  80                 .id = V4L2_CID_GAIN,
  81                 .type = V4L2_CTRL_TYPE_INTEGER,
  82                 .name = "Gain",
  83                 .minimum = 0x01,
  84                 .maximum = 0xff,
  85                 .step = 1,
  86 #define GAIN_DEF 0x8d
  87                 .default_value = GAIN_DEF,
  88             },
  89             .set = sd_setgain,
  90             .get = sd_getgain,
  91         },
  92 };
  93
  94 static struct v4l2_pix_format vga_mode[] = {
  95         {320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
  96                 .bytesperline = 320,
  97                 .sizeimage = 320 * 240,
  98                 .colorspace = V4L2_COLORSPACE_SRGB,
  99                 .priv = 0},
 100         {640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
 101                 .bytesperline = 640,
 102                 .sizeimage = 640 * 480,
 103                 .colorspace = V4L2_COLORSPACE_SRGB,
 104                 .priv = 1},
 105 };
 106
 107 /* sq930x registers */
 108 #define SQ930_CTRL_UCBUS_IO     0x0001
 109 #define SQ930_CTRL_I2C_IO       0x0002
 110 #define SQ930_CTRL_GPIO         0x0005
 111 #define SQ930_CTRL_CAP_START    0x0010
 112 #define SQ930_CTRL_CAP_STOP     0x0011
 113 #define SQ930_CTRL_SET_EXPOSURE 0x001d
 114 #define SQ930_CTRL_RESET        0x001e
 115 #define SQ930_CTRL_GET_DEV_INFO 0x001f
 116
 117 /* gpio 1 (8..15) */
 118 #define SQ930_GPIO_DFL_I2C_SDA  0x0001
 119 #define SQ930_GPIO_DFL_I2C_SCL  0x0002
 120 #define SQ930_GPIO_RSTBAR       0x0004
 121 #define SQ930_GPIO_EXTRA1       0x0040
 122 #define SQ930_GPIO_EXTRA2       0x0080
 123 /* gpio 3 (24..31) */
 124 #define SQ930_GPIO_POWER        0x0200
 125 #define SQ930_GPIO_DFL_LED      0x1000
 126
 127 struct ucbus_write_cmd {
 128         u16     bw_addr;
 129         u8      bw_data;
 130 };
 131 struct i2c_write_cmd {
 132         u8      reg;
 133         u16     val;
 134 };
 135
 136 static const struct ucbus_write_cmd icx098bq_start_0[] = {
 137         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
 138         {0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
 139         {0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
 140         {0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
 141         {0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
 142         {0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
 143         {0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
 144         {0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
 145         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
 146         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
 147         {0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
 148         {0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
 149         {0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
 150         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
 151         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
 152         {0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
 153         {0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
 154         {0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
 155         {0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
 156         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
 157         {0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
 158         {0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
 159         {0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
 160         {0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
 161         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
 162         {0xf800, 0x03}
 163 };
 164 static const struct ucbus_write_cmd icx098bq_start_1[] = {
 165         {0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 166         {0xf5f4, 0xc0},
 167         {0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 168         {0xf5f4, 0xc0},
 169         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 170         {0xf5f9, 0x00}
 171 };
 172
 173 static const struct ucbus_write_cmd icx098bq_start_2[] = {
 174         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
 175         {0xf807, 0x7f}, {0xf800, 0x03},
 176         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
 177         {0xf807, 0x7f}, {0xf800, 0x03},
 178         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
 179         {0xf807, 0x7f}, {0xf800, 0x03},
 180         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
 181         {0xf807, 0x7f}, {0xf800, 0x03}
 182 };
 183
 184 static const struct ucbus_write_cmd lz24bp_start_0[] = {
 185         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
 186         {0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
 187         {0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
 188         {0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
 189         {0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
 190         {0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
 191         {0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
 192         {0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
 193         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
 194         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
 195         {0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
 196         {0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
 197         {0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
 198         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
 199         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
 200         {0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
 201         {0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
 202         {0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
 203         {0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
 204         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
 205         {0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
 206         {0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
 207         {0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
 208         {0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
 209         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
 210         {0xf800, 0x03}
 211 };
 212 static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
 213         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 214         {0xf5f4, 0xb3},
 215         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 216         {0xf5f4, 0xb3},
 217         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 218         {0xf5f9, 0x00}
 219 };
 220
 221 static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
 222         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
 223         {0xf5f4, 0xc0},
 224         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
 225         {0xf5f4, 0xc0},
 226         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 227         {0xf5f9, 0x00}
 228 };
 229
 230 static const struct ucbus_write_cmd lz24bp_start_2[] = {
 231         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
 232         {0xf807, 0x7f}, {0xf800, 0x03},
 233         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
 234         {0xf807, 0x7f}, {0xf800, 0x03},
 235         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
 236         {0xf807, 0x7f}, {0xf800, 0x03},
 237         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
 238         {0xf807, 0x7f}, {0xf800, 0x03}
 239 };
 240
 241 static const struct ucbus_write_cmd mi0360_start_0[] = {
 242         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
 243         {0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
 244 };
 245 static const struct i2c_write_cmd mi0360_init_23[] = {
 246         {0x30, 0x0040},         /* reserved - def 0x0005 */
 247         {0x31, 0x0000},         /* reserved - def 0x002a */
 248         {0x34, 0x0100},         /* reserved - def 0x0100 */
 249         {0x3d, 0x068f},         /* reserved - def 0x068f */
 250 };
 251 static const struct i2c_write_cmd mi0360_init_24[] = {
 252         {0x03, 0x01e5},         /* window height */
 253         {0x04, 0x0285},         /* window width */
 254 };
 255 static const struct i2c_write_cmd mi0360_init_25[] = {
 256         {0x35, 0x0020},         /* global gain */
 257         {0x2b, 0x0020},         /* green1 gain */
 258         {0x2c, 0x002a},         /* blue gain */
 259         {0x2d, 0x0028},         /* red gain */
 260         {0x2e, 0x0020},         /* green2 gain */
 261 };
 262 static const struct ucbus_write_cmd mi0360_start_1[] = {
 263         {0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 264         {0xf5f4, 0xa6},
 265         {0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 266         {0xf5f4, 0xa6},
 267         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
 268         {0xf5f9, 0x00}
 269 };
 270 static const struct i2c_write_cmd mi0360_start_2[] = {
 271         {0x62, 0x041d},         /* reserved - def 0x0418 */
 272 };
 273 static const struct i2c_write_cmd mi0360_start_3[] = {
 274         {0x05, 0x007b},         /* horiz blanking */
 275 };
 276 static const struct i2c_write_cmd mi0360_start_4[] = {
 277         {0x05, 0x03f5},         /* horiz blanking */
 278 };
 279
 280 static const struct i2c_write_cmd mt9v111_init_0[] = {
 281         {0x01, 0x0001},         /* select IFP/SOC registers */
 282         {0x06, 0x300c},         /* operating mode control */
 283         {0x08, 0xcc00},         /* output format control (RGB) */
 284         {0x01, 0x0004},         /* select sensor core registers */
 285 };
 286 static const struct i2c_write_cmd mt9v111_init_1[] = {
 287         {0x03, 0x01e5},         /* window height */
 288         {0x04, 0x0285},         /* window width */
 289 };
 290 static const struct i2c_write_cmd mt9v111_init_2[] = {
 291         {0x30, 0x7800},
 292         {0x31, 0x0000},
 293         {0x07, 0x3002},         /* output control */
 294         {0x35, 0x0020},         /* global gain */
 295         {0x2b, 0x0020},         /* green1 gain */
 296         {0x2c, 0x0020},         /* blue gain */
 297         {0x2d, 0x0020},         /* red gain */
 298         {0x2e, 0x0020},         /* green2 gain */
 299 };
 300 static const struct ucbus_write_cmd mt9v111_start_1[] = {
 301         {0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 302         {0xf5f4, 0xaa},
 303         {0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
 304         {0xf5f4, 0xaa},
 305         {0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
 306         {0xf5f9, 0x0a}
 307 };
 308 static const struct i2c_write_cmd mt9v111_init_3[] = {
 309         {0x62, 0x0405},
 310 };
 311 static const struct i2c_write_cmd mt9v111_init_4[] = {
 312 /*      {0x05, 0x00ce}, */
 313         {0x05, 0x005d},         /* horizontal blanking */
 314 };
 315
 316 static const struct ucbus_write_cmd ov7660_start_0[] = {
 317         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
 318         {0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
 319 };
 320
 321 static const struct ucbus_write_cmd ov9630_start_0[] = {
 322         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
 323         {0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
 324 };
 325
 326 /* start parameters indexed by [sensor][mode] */
 327 static const struct cap_s {
 328         u8      cc_sizeid;
 329         u8      cc_bytes[32];
 330 } capconfig[4][2] = {
 331         [SENSOR_ICX098BQ] = {
 332                 {2,                             /* Bayer 320x240 */
 333                   {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
 334                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 335                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
 336                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 337                 {4,                             /* Bayer 640x480 */
 338                   {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
 339                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 340                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 341                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 342         },
 343         [SENSOR_LZ24BP] = {
 344                 {2,                             /* Bayer 320x240 */
 345                   {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
 346                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 347                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 348                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 349                 {4,                             /* Bayer 640x480 */
 350                   {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
 351                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 352                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 353                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 354         },
 355         [SENSOR_MI0360] = {
 356                 {2,                             /* Bayer 320x240 */
 357                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 358                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 359                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 360                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 361                 {4,                             /* Bayer 640x480 */
 362                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 363                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 364                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 365                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 366         },
 367         [SENSOR_MT9V111] = {
 368                 {2,                             /* Bayer 320x240 */
 369                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 370                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 371                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 372                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 373                 {4,                             /* Bayer 640x480 */
 374                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
 375                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
 376                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 377                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
 378         },
 379 };
 380
 381 struct sensor_s {
 382         const char *name;
 383         u8 i2c_addr;
 384         u8 i2c_dum;
 385         u8 gpio[5];
 386         u8 cmd_len;
 387         const struct ucbus_write_cmd *cmd;
 388 };
 389
 390 static const struct sensor_s sensor_tb[] = {
 391         [SENSOR_ICX098BQ] = {
 392                 "icx098bp",
 393                 0x00, 0x00,
 394                 {0,
 395                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 396                  SQ930_GPIO_DFL_I2C_SDA,
 397                  0,
 398                  SQ930_GPIO_RSTBAR
 399                 },
 400                 8, icx098bq_start_0
 401             },
 402         [SENSOR_LZ24BP] = {
 403                 "lz24bp",
 404                 0x00, 0x00,
 405                 {0,
 406                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 407                  SQ930_GPIO_DFL_I2C_SDA,
 408                  0,
 409                  SQ930_GPIO_RSTBAR
 410                 },
 411                 8, lz24bp_start_0
 412             },
 413         [SENSOR_MI0360] = {
 414                 "mi0360",
 415                 0x5d, 0x80,
 416                 {SQ930_GPIO_RSTBAR,
 417                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 418                  SQ930_GPIO_DFL_I2C_SDA,
 419                  0,
 420                  0
 421                 },
 422                 7, mi0360_start_0
 423             },
 424         [SENSOR_MT9V111] = {
 425                 "mt9v111",
 426                 0x5c, 0x7f,
 427                 {SQ930_GPIO_RSTBAR,
 428                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 429                  SQ930_GPIO_DFL_I2C_SDA,
 430                  0,
 431                  0
 432                 },
 433                 7, mi0360_start_0
 434             },
 435         [SENSOR_OV7660] = {
 436                 "ov7660",
 437                 0x21, 0x00,
 438                 {0,
 439                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 440                  SQ930_GPIO_DFL_I2C_SDA,
 441                  0,
 442                  SQ930_GPIO_RSTBAR
 443                 },
 444                 7, ov7660_start_0
 445             },
 446         [SENSOR_OV9630] = {
 447                 "ov9630",
 448                 0x30, 0x00,
 449                 {0,
 450                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
 451                  SQ930_GPIO_DFL_I2C_SDA,
 452                  0,
 453                  SQ930_GPIO_RSTBAR
 454                 },
 455                 7, ov9630_start_0
 456             },
 457 };
 458
 459 static void reg_r(struct gspca_dev *gspca_dev,
 460                 u16 value, int len)
 461 {
 462         int ret;
 463
 464         if (gspca_dev->usb_err < 0)
 465                 return;
 466         ret = usb_control_msg(gspca_dev->dev,
 467                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 468                         0x0c,
 469                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 470                         value, 0, gspca_dev->usb_buf, len,
 471                         500);
 472         if (ret < 0) {
 473                 pr_err("reg_r %04x failed %d\n", value, ret);
 474                 gspca_dev->usb_err = ret;
 475         }
 476 }
 477
 478 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
 479 {
 480         int ret;
 481
 482         if (gspca_dev->usb_err < 0)
 483                 return;
 484         PDEBUG(D_USBO, "reg_w v: %04x i: %04x", value, index);
 485         ret = usb_control_msg(gspca_dev->dev,
 486                         usb_sndctrlpipe(gspca_dev->dev, 0),
 487                         0x0c,                   /* request */
 488                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 489                         value, index, NULL, 0,
 490                         500);
 491         msleep(30);
 492         if (ret < 0) {
 493                 pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
 494                 gspca_dev->usb_err = ret;
 495         }
 496 }
 497
 498 static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
 499                 const u8 *data, int len)
 500 {
 501         int ret;
 502
 503         if (gspca_dev->usb_err < 0)
 504                 return;
 505         PDEBUG(D_USBO, "reg_wb v: %04x i: %04x %02x...%02x",
 506                         value, index, *data, data[len - 1]);
 507         memcpy(gspca_dev->usb_buf, data, len);
 508         ret = usb_control_msg(gspca_dev->dev,
 509                         usb_sndctrlpipe(gspca_dev->dev, 0),
 510                         0x0c,                   /* request */
 511                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 512                         value, index, gspca_dev->usb_buf, len,
 513                         1000);
 514         msleep(30);
 515         if (ret < 0) {
 516                 pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
 517                 gspca_dev->usb_err = ret;
 518         }
 519 }
 520
 521 static void i2c_write(struct sd *sd,
 522                         const struct i2c_write_cmd *cmd,
 523                         int ncmds)
 524 {
 525         struct gspca_dev *gspca_dev = &sd->gspca_dev;
 526         const struct sensor_s *sensor;
 527         u16 val, idx;
 528         u8 *buf;
 529         int ret;
 530
 531         if (gspca_dev->usb_err < 0)
 532                 return;
 533
 534         sensor = &sensor_tb[sd->sensor];
 535
 536         val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
 537         idx = (cmd->val & 0xff00) | cmd->reg;
 538
 539         buf = gspca_dev->usb_buf;
 540         *buf++ = sensor->i2c_dum;
 541         *buf++ = cmd->val;
 542
 543         while (--ncmds > 0) {
 544                 cmd++;
 545                 *buf++ = cmd->reg;
 546                 *buf++ = cmd->val >> 8;
 547                 *buf++ = sensor->i2c_dum;
 548                 *buf++ = cmd->val;
 549         }
 550
 551         PDEBUG(D_USBO, "i2c_w v: %04x i: %04x %02x...%02x",
 552                         val, idx, gspca_dev->usb_buf[0], buf[-1]);
 553         ret = usb_control_msg(gspca_dev->dev,
 554                         usb_sndctrlpipe(gspca_dev->dev, 0),
 555                         0x0c,                   /* request */
 556                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 557                         val, idx,
 558                         gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
 559                         500);
 560         if (ret < 0) {
 561                 pr_err("i2c_write failed %d\n", ret);
 562                 gspca_dev->usb_err = ret;
 563         }
 564 }
 565
 566 static void ucbus_write(struct gspca_dev *gspca_dev,
 567                         const struct ucbus_write_cmd *cmd,
 568                         int ncmds,
 569                         int batchsize)
 570 {
 571         u8 *buf;
 572         u16 val, idx;
 573         int len, ret;
 574
 575         if (gspca_dev->usb_err < 0)
 576                 return;
 577
 578 #ifdef GSPCA_DEBUG
 579         if ((batchsize - 1) * 3 > USB_BUF_SZ) {
 580                 pr_err("Bug: usb_buf overflow\n");
 581                 gspca_dev->usb_err = -ENOMEM;
 582                 return;
 583         }
 584 #endif
 585
 586         for (;;) {
 587                 len = ncmds;
 588                 if (len > batchsize)
 589                         len = batchsize;
 590                 ncmds -= len;
 591
 592                 val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
 593                 idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
 594
 595                 buf = gspca_dev->usb_buf;
 596                 while (--len > 0) {
 597                         cmd++;
 598                         *buf++ = cmd->bw_addr;
 599                         *buf++ = cmd->bw_addr >> 8;
 600                         *buf++ = cmd->bw_data;
 601                 }
 602                 if (buf != gspca_dev->usb_buf)
 603                         PDEBUG(D_USBO, "ucbus v: %04x i: %04x %02x...%02x",
 604                                         val, idx,
 605                                         gspca_dev->usb_buf[0], buf[-1]);
 606                 else
 607                         PDEBUG(D_USBO, "ucbus v: %04x i: %04x",
 608                                         val, idx);
 609                 ret = usb_control_msg(gspca_dev->dev,
 610                                 usb_sndctrlpipe(gspca_dev->dev, 0),
 611                                 0x0c,                   /* request */
 612                            USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 613                                 val, idx,
 614                                 gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
 615                                 500);
 616                 if (ret < 0) {
 617                         pr_err("ucbus_write failed %d\n", ret);
 618                         gspca_dev->usb_err = ret;
 619                         return;
 620                 }
 621                 msleep(30);
 622                 if (ncmds <= 0)
 623                         break;
 624                 cmd++;
 625         }
 626 }
 627
 628 static void gpio_set(struct sd *sd, u16 val, u16 mask)
 629 {
 630         struct gspca_dev *gspca_dev = &sd->gspca_dev;
 631
 632         if (mask & 0x00ff) {
 633                 sd->gpio[0] &= ~mask;
 634                 sd->gpio[0] |= val;
 635                 reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
 636                         ~sd->gpio[0] << 8);
 637         }
 638         mask >>= 8;
 639         val >>= 8;
 640         if (mask) {
 641                 sd->gpio[1] &= ~mask;
 642                 sd->gpio[1] |= val;
 643                 reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
 644                         ~sd->gpio[1] << 8);
 645         }
 646 }
 647
 648 static void gpio_init(struct sd *sd,
 649                         const u8 *gpio)
 650 {
 651         gpio_set(sd, *gpio++, 0x000f);
 652         gpio_set(sd, *gpio++, 0x000f);
 653         gpio_set(sd, *gpio++, 0x000f);
 654         gpio_set(sd, *gpio++, 0x000f);
 655         gpio_set(sd, *gpio, 0x000f);
 656 }
 657
 658 static void bridge_init(struct sd *sd)
 659 {
 660         static const struct ucbus_write_cmd clkfreq_cmd = {
 661                                 0xf031, 0       /* SQ930_CLKFREQ_60MHZ */
 662         };
 663
 664         ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
 665
 666         gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
 667 }
 668
 669 static void cmos_probe(struct gspca_dev *gspca_dev)
 670 {
 671         struct sd *sd = (struct sd *) gspca_dev;
 672         int i;
 673         const struct sensor_s *sensor;
 674         static const u8 probe_order[] = {
 675 /*              SENSOR_LZ24BP,          (tested as ccd) */
 676                 SENSOR_OV9630,
 677                 SENSOR_MI0360,
 678                 SENSOR_OV7660,
 679                 SENSOR_MT9V111,
 680         };
 681
 682         for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
 683                 sensor = &sensor_tb[probe_order[i]];
 684                 ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
 685                 gpio_init(sd, sensor->gpio);
 686                 msleep(100);
 687                 reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
 688                 msleep(100);
 689                 if (gspca_dev->usb_buf[0] != 0)
 690                         break;
 691         }
 692         if (i >= ARRAY_SIZE(probe_order)) {
 693                 pr_err("Unknown sensor\n");
 694                 gspca_dev->usb_err = -EINVAL;
 695                 return;
 696         }
 697         sd->sensor = probe_order[i];
 698         switch (sd->sensor) {
 699         case SENSOR_OV7660:
 700         case SENSOR_OV9630:
 701                 pr_err("Sensor %s not yet treated\n",
 702                        sensor_tb[sd->sensor].name);
 703                 gspca_dev->usb_err = -EINVAL;
 704                 break;
 705         }
 706 }
 707
 708 static void mt9v111_init(struct gspca_dev *gspca_dev)
 709 {
 710         int i, nwait;
 711         static const u8 cmd_001b[] = {
 712                 0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
 713                 0x00, 0x00, 0x00
 714         };
 715         static const u8 cmd_011b[][7] = {
 716                 {0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
 717                 {0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
 718                 {0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
 719                 {0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
 720         };
 721
 722         reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
 723         for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
 724                 reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
 725                                 ARRAY_SIZE(cmd_011b[0]));
 726                 msleep(400);
 727                 nwait = 20;
 728                 for (;;) {
 729                         reg_r(gspca_dev, 0x031b, 1);
 730                         if (gspca_dev->usb_buf[0] == 0
 731                          || gspca_dev->usb_err != 0)
 732                                 break;
 733                         if (--nwait < 0) {
 734                                 PDEBUG(D_PROBE, "mt9v111_init timeout");
 735                                 gspca_dev->usb_err = -ETIME;
 736                                 return;
 737                         }
 738                         msleep(50);
 739                 }
 740         }
 741 }
 742
 743 static void global_init(struct sd *sd, int first_time)
 744 {
 745         switch (sd->sensor) {
 746         case SENSOR_ICX098BQ:
 747                 if (first_time)
 748                         ucbus_write(&sd->gspca_dev,
 749                                         icx098bq_start_0,
 750                                         8, 8);
 751                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
 752                 break;
 753         case SENSOR_LZ24BP:
 754                 if (sd->type != Creative_live_motion)
 755                         gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
 756                 else
 757                         gpio_set(sd, 0, 0x00ff);
 758                 msleep(50);
 759                 if (first_time)
 760                         ucbus_write(&sd->gspca_dev,
 761                                         lz24bp_start_0,
 762                                         8, 8);
 763                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
 764                 break;
 765         case SENSOR_MI0360:
 766                 if (first_time)
 767                         ucbus_write(&sd->gspca_dev,
 768                                         mi0360_start_0,
 769                                         ARRAY_SIZE(mi0360_start_0),
 770                                         8);
 771                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
 772                 gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
 773                 break;
 774         default:
 775 /*      case SENSOR_MT9V111: */
 776                 if (first_time)
 777                         mt9v111_init(&sd->gspca_dev);
 778                 else
 779                         gpio_init(sd, sensor_tb[sd->sensor].gpio);
 780                 break;
 781         }
 782 }
 783
 784 static void lz24bp_ppl(struct sd *sd, u16 ppl)
 785 {
 786         struct ucbus_write_cmd cmds[2] = {
 787                 {0xf810, ppl >> 8},
 788                 {0xf811, ppl}
 789         };
 790
 791         ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
 792 }
 793
 794 static void setexposure(struct gspca_dev *gspca_dev)
 795 {
 796         struct sd *sd = (struct sd *) gspca_dev;
 797         int i, integclks, intstartclk, frameclks, min_frclk;
 798         const struct sensor_s *sensor;
 799         u16 cmd;
 800         u8 buf[15];
 801
 802         integclks = sd->expo;
 803         i = 0;
 804         cmd = SQ930_CTRL_SET_EXPOSURE;
 805
 806         switch (sd->sensor) {
 807         case SENSOR_ICX098BQ:                   /* ccd */
 808         case SENSOR_LZ24BP:
 809                 min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
 810                 if (integclks >= min_frclk) {
 811                         intstartclk = 0;
 812                         frameclks = integclks;
 813                 } else {
 814                         intstartclk = min_frclk - integclks;
 815                         frameclks = min_frclk;
 816                 }
 817                 buf[i++] = intstartclk >> 8;
 818                 buf[i++] = intstartclk;
 819                 buf[i++] = frameclks >> 8;
 820                 buf[i++] = frameclks;
 821                 buf[i++] = sd->gain;
 822                 break;
 823         default:                                /* cmos */
 824 /*      case SENSOR_MI0360: */
 825 /*      case SENSOR_MT9V111: */
 826                 cmd |= 0x0100;
 827                 sensor = &sensor_tb[sd->sensor];
 828                 buf[i++] = sensor->i2c_addr;    /* i2c_slave_addr */
 829                 buf[i++] = 0x08;        /* 2 * ni2c */
 830                 buf[i++] = 0x09;        /* reg = shutter width */
 831                 buf[i++] = integclks >> 8; /* val H */
 832                 buf[i++] = sensor->i2c_dum;
 833                 buf[i++] = integclks;   /* val L */
 834                 buf[i++] = 0x35;        /* reg = global gain */
 835                 buf[i++] = 0x00;        /* val H */
 836                 buf[i++] = sensor->i2c_dum;
 837                 buf[i++] = 0x80 + sd->gain / 2; /* val L */
 838                 buf[i++] = 0x00;
 839                 buf[i++] = 0x00;
 840                 buf[i++] = 0x00;
 841                 buf[i++] = 0x00;
 842                 buf[i++] = 0x83;
 843                 break;
 844         }
 845         reg_wb(gspca_dev, cmd, 0, buf, i);
 846 }
 847
 848 /* This function is called at probe time just before sd_init */
 849 static int sd_config(struct gspca_dev *gspca_dev,
 850                 const struct usb_device_id *id)
 851 {
 852         struct sd *sd = (struct sd *) gspca_dev;
 853         struct cam *cam = &gspca_dev->cam;
 854
 855         sd->sensor = id->driver_info >> 8;
 856         sd->type = id->driver_info;
 857
 858         cam->cam_mode = vga_mode;
 859         cam->nmodes = ARRAY_SIZE(vga_mode);
 860
 861         cam->bulk = 1;
 862
 863         sd->gain = GAIN_DEF;
 864         sd->expo = EXPO_DEF;
 865
 866         return 0;
 867 }
 868
 869 /* this function is called at probe and resume time */
 870 static int sd_init(struct gspca_dev *gspca_dev)
 871 {
 872         struct sd *sd = (struct sd *) gspca_dev;
 873
 874         sd->gpio[0] = sd->gpio[1] = 0xff;       /* force gpio rewrite */
 875
 876 /*fixme: is this needed for icx098bp and mi0360?
 877         if (sd->sensor != SENSOR_LZ24BP)
 878                 reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
 879  */
 880
 881         reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
 882         if (gspca_dev->usb_err < 0)
 883                 return gspca_dev->usb_err;
 884
 885 /* it returns:
 886  * 03 00 12 93 0b f6 c9 00      live! ultra
 887  * 03 00 07 93 0b f6 ca 00      live! ultra for notebook
 888  * 03 00 12 93 0b fe c8 00      Trust WB-3500T
 889  * 02 00 06 93 0b fe c8 00      Joy-IT 318S
 890  * 03 00 12 93 0b f6 cf 00      icam tracer - sensor icx098bq
 891  * 02 00 12 93 0b fe cf 00      ProQ Motion Webcam
 892  *
 893  * byte
 894  * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
 895  * 1: 00
 896  * 2: 06 / 07 / 12 = mode webcam? firmware??
 897  * 3: 93 chip = 930b (930b or 930c)
 898  * 4: 0b
 899  * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
 900  * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
 901  * 7: 00
 902  */
 903         PDEBUG(D_PROBE, "info: %02x %02x %02x %02x %02x %02x %02x %02x",
 904                         gspca_dev->usb_buf[0],
 905                         gspca_dev->usb_buf[1],
 906                         gspca_dev->usb_buf[2],
 907                         gspca_dev->usb_buf[3],
 908                         gspca_dev->usb_buf[4],
 909                         gspca_dev->usb_buf[5],
 910                         gspca_dev->usb_buf[6],
 911                         gspca_dev->usb_buf[7]);
 912
 913         bridge_init(sd);
 914
 915         if (sd->sensor == SENSOR_MI0360) {
 916
 917                 /* no sensor probe for icam tracer */
 918                 if (gspca_dev->usb_buf[5] == 0xf6)      /* if ccd */
 919                         sd->sensor = SENSOR_ICX098BQ;
 920                 else
 921                         cmos_probe(gspca_dev);
 922         }
 923         if (gspca_dev->usb_err >= 0) {
 924                 PDEBUG(D_PROBE, "Sensor %s", sensor_tb[sd->sensor].name);
 925                 global_init(sd, 1);
 926         }
 927         return gspca_dev->usb_err;
 928 }
 929
 930 /* send the start/stop commands to the webcam */
 931 static void send_start(struct gspca_dev *gspca_dev)
 932 {
 933         struct sd *sd = (struct sd *) gspca_dev;
 934         const struct cap_s *cap;
 935         int mode;
 936
 937         mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
 938         cap = &capconfig[sd->sensor][mode];
 939         reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
 940                         0x0a00 | cap->cc_sizeid,
 941                         cap->cc_bytes, 32);
 942 }
 943
 944 static void send_stop(struct gspca_dev *gspca_dev)
 945 {
 946         reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
 947 }
 948
 949 /* function called at start time before URB creation */
 950 static int sd_isoc_init(struct gspca_dev *gspca_dev)
 951 {
 952         struct sd *sd = (struct sd *) gspca_dev;
 953
 954         gspca_dev->cam.bulk_nurbs = 1;  /* there must be one URB only */
 955         sd->do_ctrl = 0;
 956         gspca_dev->cam.bulk_size = gspca_dev->width * gspca_dev->height + 8;
 957         return 0;
 958 }
 959
 960 /* start the capture */
 961 static int sd_start(struct gspca_dev *gspca_dev)
 962 {
 963         struct sd *sd = (struct sd *) gspca_dev;
 964         int mode;
 965
 966         bridge_init(sd);
 967         global_init(sd, 0);
 968         msleep(100);
 969
 970         switch (sd->sensor) {
 971         case SENSOR_ICX098BQ:
 972                 ucbus_write(gspca_dev, icx098bq_start_0,
 973                                 ARRAY_SIZE(icx098bq_start_0),
 974                                 8);
 975                 ucbus_write(gspca_dev, icx098bq_start_1,
 976                                 ARRAY_SIZE(icx098bq_start_1),
 977                                 5);
 978                 ucbus_write(gspca_dev, icx098bq_start_2,
 979                                 ARRAY_SIZE(icx098bq_start_2),
 980                                 6);
 981                 msleep(50);
 982
 983                 /* 1st start */
 984                 send_start(gspca_dev);
 985                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
 986                 msleep(70);
 987                 reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
 988                 gpio_set(sd, 0x7f, 0x00ff);
 989
 990                 /* 2nd start */
 991                 send_start(gspca_dev);
 992                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
 993                 goto out;
 994         case SENSOR_LZ24BP:
 995                 ucbus_write(gspca_dev, lz24bp_start_0,
 996                                 ARRAY_SIZE(lz24bp_start_0),
 997                                 8);
 998                 if (sd->type != Creative_live_motion)
 999                         ucbus_write(gspca_dev, lz24bp_start_1_gen,
1000                                         ARRAY_SIZE(lz24bp_start_1_gen),
1001                                         5);
1002                 else
1003                         ucbus_write(gspca_dev, lz24bp_start_1_clm,
1004                                         ARRAY_SIZE(lz24bp_start_1_clm),
1005                                         5);
1006                 ucbus_write(gspca_dev, lz24bp_start_2,
1007                                 ARRAY_SIZE(lz24bp_start_2),
1008                                 6);
1009                 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
1010                 lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
1011                 msleep(10);
1012                 break;
1013         case SENSOR_MI0360:
1014                 ucbus_write(gspca_dev, mi0360_start_0,
1015                                 ARRAY_SIZE(mi0360_start_0),
1016                                 8);
1017                 i2c_write(sd, mi0360_init_23,
1018                                 ARRAY_SIZE(mi0360_init_23));
1019                 i2c_write(sd, mi0360_init_24,
1020                                 ARRAY_SIZE(mi0360_init_24));
1021                 i2c_write(sd, mi0360_init_25,
1022                                 ARRAY_SIZE(mi0360_init_25));
1023                 ucbus_write(gspca_dev, mi0360_start_1,
1024                                 ARRAY_SIZE(mi0360_start_1),
1025                                 5);
1026                 i2c_write(sd, mi0360_start_2,
1027                                 ARRAY_SIZE(mi0360_start_2));
1028                 i2c_write(sd, mi0360_start_3,
1029                                 ARRAY_SIZE(mi0360_start_3));
1030
1031                 /* 1st start */
1032                 send_start(gspca_dev);
1033                 msleep(60);
1034                 send_stop(gspca_dev);
1035
1036                 i2c_write(sd,
1037                         mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
1038                 break;
1039         default:
1040 /*      case SENSOR_MT9V111: */
1041                 ucbus_write(gspca_dev, mi0360_start_0,
1042                                 ARRAY_SIZE(mi0360_start_0),
1043                                 8);
1044                 i2c_write(sd, mt9v111_init_0,
1045                                 ARRAY_SIZE(mt9v111_init_0));
1046                 i2c_write(sd, mt9v111_init_1,
1047                                 ARRAY_SIZE(mt9v111_init_1));
1048                 i2c_write(sd, mt9v111_init_2,
1049                                 ARRAY_SIZE(mt9v111_init_2));
1050                 ucbus_write(gspca_dev, mt9v111_start_1,
1051                                 ARRAY_SIZE(mt9v111_start_1),
1052                                 5);
1053                 i2c_write(sd, mt9v111_init_3,
1054                                 ARRAY_SIZE(mt9v111_init_3));
1055                 i2c_write(sd, mt9v111_init_4,
1056                                 ARRAY_SIZE(mt9v111_init_4));
1057                 break;
1058         }
1059
1060         send_start(gspca_dev);
1061 out:
1062         msleep(1000);
1063
1064         if (sd->sensor == SENSOR_MT9V111)
1065                 gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1066
1067         sd->do_ctrl = 1;        /* set the exposure */
1068
1069         return gspca_dev->usb_err;
1070 }
1071
1072 static void sd_stopN(struct gspca_dev *gspca_dev)
1073 {
1074         struct sd *sd = (struct sd *) gspca_dev;
1075
1076         if (sd->sensor == SENSOR_MT9V111)
1077                 gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1078         send_stop(gspca_dev);
1079 }
1080
1081 /* function called when the application gets a new frame */
1082 /* It sets the exposure if required and restart the bulk transfer. */
1083 static void sd_dq_callback(struct gspca_dev *gspca_dev)
1084 {
1085         struct sd *sd = (struct sd *) gspca_dev;
1086         int ret;
1087
1088         if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1089                 return;
1090         sd->do_ctrl = 0;
1091
1092         setexposure(gspca_dev);
1093
1094         gspca_dev->cam.bulk_nurbs = 1;
1095         ret = usb_submit_urb(gspca_dev->urb[0], GFP_ATOMIC);
1096         if (ret < 0)
1097                 pr_err("sd_dq_callback() err %d\n", ret);
1098
1099         /* wait a little time, otherwise the webcam crashes */
1100         msleep(100);
1101 }
1102
1103 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1104                         u8 *data,               /* isoc packet */
1105                         int len)                /* iso packet length */
1106 {
1107         struct sd *sd = (struct sd *) gspca_dev;
1108
1109         if (sd->do_ctrl)
1110                 gspca_dev->cam.bulk_nurbs = 0;
1111         gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1112         gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1113         gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1114 }
1115
1116 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
1117 {
1118         struct sd *sd = (struct sd *) gspca_dev;
1119
1120         sd->gain = val;
1121         if (gspca_dev->streaming)
1122                 sd->do_ctrl = 1;
1123         return 0;
1124 }
1125
1126 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1127 {
1128         struct sd *sd = (struct sd *) gspca_dev;
1129
1130         *val = sd->gain;
1131         return 0;
1132 }
1133 static int sd_setexpo(struct gspca_dev *gspca_dev, __s32 val)
1134 {
1135         struct sd *sd = (struct sd *) gspca_dev;
1136
1137         sd->expo = val;
1138         if (gspca_dev->streaming)
1139                 sd->do_ctrl = 1;
1140         return 0;
1141 }
1142
1143 static int sd_getexpo(struct gspca_dev *gspca_dev, __s32 *val)
1144 {
1145         struct sd *sd = (struct sd *) gspca_dev;
1146
1147         *val = sd->expo;
1148         return 0;
1149 }
1150
1151 /* sub-driver description */
1152 static const struct sd_desc sd_desc = {
1153         .name   = MODULE_NAME,
1154         .ctrls = sd_ctrls,
1155         .nctrls = ARRAY_SIZE(sd_ctrls),
1156         .config = sd_config,
1157         .init   = sd_init,
1158         .isoc_init = sd_isoc_init,
1159         .start  = sd_start,
1160         .stopN  = sd_stopN,
1161         .pkt_scan = sd_pkt_scan,
1162         .dq_callback = sd_dq_callback,
1163 };
1164
1165 /* Table of supported USB devices */
1166 #define ST(sensor, type) \
1167         .driver_info = (SENSOR_ ## sensor << 8) \
1168                         | (type)
1169 static const struct usb_device_id device_table[] = {
1170         {USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1171         {USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1172         {USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1173         {USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1174         {USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1175         {USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1176         {}
1177 };
1178 MODULE_DEVICE_TABLE(usb, device_table);
1179
1180
1181 /* -- device connect -- */
1182 static int sd_probe(struct usb_interface *intf,
1183                 const struct usb_device_id *id)
1184 {
1185         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1186                         THIS_MODULE);
1187 }
1188
1189 static struct usb_driver sd_driver = {
1190         .name       = MODULE_NAME,
1191         .id_table   = device_table,
1192         .probe      = sd_probe,
1193         .disconnect = gspca_disconnect,
1194 #ifdef CONFIG_PM
1195         .suspend    = gspca_suspend,
1196         .resume     = gspca_resume,
1197 #endif
1198 };
1199
1200 module_usb_driver(sd_driver);