git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/sn9c102/sn9c102_ov7630.c

   1 /***************************************************************************
   2  * Plug-in for OV7630 image sensor connected to the SN9C1xx PC Camera      *
   3  * Controllers                                                             *
   4  *                                                                         *
   5  * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
   6  *                                                                         *
   7  * This program is free software; you can redistribute it and/or modify    *
   8  * it under the terms of the GNU General Public License as published by    *
   9  * the Free Software Foundation; either version 2 of the License, or       *
  10  * (at your option) any later version.                                     *
  11  *                                                                         *
  12  * This program is distributed in the hope that it will be useful,         *
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
  15  * GNU General Public License for more details.                            *
  16  *                                                                         *
  17  * You should have received a copy of the GNU General Public License       *
  18  * along with this program; if not, write to the Free Software             *
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.               *
  20  ***************************************************************************/
  21
  22 #include "sn9c102_sensor.h"
  23 #include "sn9c102_devtable.h"
  24
  25
  26 static int ov7630_init(struct sn9c102_device* cam)
  27 {
  28         int err = 0;
  29
  30         switch (sn9c102_get_bridge(cam)) {
  31         case BRIDGE_SN9C101:
  32         case BRIDGE_SN9C102:
  33                 err = sn9c102_write_const_regs(cam, {0x00, 0x14}, {0x60, 0x17},
  34                                                {0x0f, 0x18}, {0x50, 0x19});
  35
  36                 err += sn9c102_i2c_write(cam, 0x12, 0x8d);
  37                 err += sn9c102_i2c_write(cam, 0x12, 0x0d);
  38                 err += sn9c102_i2c_write(cam, 0x11, 0x00);
  39                 err += sn9c102_i2c_write(cam, 0x15, 0x35);
  40                 err += sn9c102_i2c_write(cam, 0x16, 0x03);
  41                 err += sn9c102_i2c_write(cam, 0x17, 0x1c);
  42                 err += sn9c102_i2c_write(cam, 0x18, 0xbd);
  43                 err += sn9c102_i2c_write(cam, 0x19, 0x06);
  44                 err += sn9c102_i2c_write(cam, 0x1a, 0xf6);
  45                 err += sn9c102_i2c_write(cam, 0x1b, 0x04);
  46                 err += sn9c102_i2c_write(cam, 0x20, 0x44);
  47                 err += sn9c102_i2c_write(cam, 0x23, 0xee);
  48                 err += sn9c102_i2c_write(cam, 0x26, 0xa0);
  49                 err += sn9c102_i2c_write(cam, 0x27, 0x9a);
  50                 err += sn9c102_i2c_write(cam, 0x28, 0x20);
  51                 err += sn9c102_i2c_write(cam, 0x29, 0x30);
  52                 err += sn9c102_i2c_write(cam, 0x2f, 0x3d);
  53                 err += sn9c102_i2c_write(cam, 0x30, 0x24);
  54                 err += sn9c102_i2c_write(cam, 0x32, 0x86);
  55                 err += sn9c102_i2c_write(cam, 0x60, 0xa9);
  56                 err += sn9c102_i2c_write(cam, 0x61, 0x42);
  57                 err += sn9c102_i2c_write(cam, 0x65, 0x00);
  58                 err += sn9c102_i2c_write(cam, 0x69, 0x38);
  59                 err += sn9c102_i2c_write(cam, 0x6f, 0x88);
  60                 err += sn9c102_i2c_write(cam, 0x70, 0x0b);
  61                 err += sn9c102_i2c_write(cam, 0x71, 0x00);
  62                 err += sn9c102_i2c_write(cam, 0x74, 0x21);
  63                 err += sn9c102_i2c_write(cam, 0x7d, 0xf7);
  64                 break;
  65         case BRIDGE_SN9C103:
  66                 err = sn9c102_write_const_regs(cam, {0x00, 0x02}, {0x00, 0x03},
  67                                                {0x1a, 0x04}, {0x20, 0x05},
  68                                                {0x20, 0x06}, {0x20, 0x07},
  69                                                {0x03, 0x10}, {0x0a, 0x14},
  70                                                {0x60, 0x17}, {0x0f, 0x18},
  71                                                {0x50, 0x19}, {0x1d, 0x1a},
  72                                                {0x10, 0x1b}, {0x02, 0x1c},
  73                                                {0x03, 0x1d}, {0x0f, 0x1e},
  74                                                {0x0c, 0x1f}, {0x00, 0x20},
  75                                                {0x10, 0x21}, {0x20, 0x22},
  76                                                {0x30, 0x23}, {0x40, 0x24},
  77                                                {0x50, 0x25}, {0x60, 0x26},
  78                                                {0x70, 0x27}, {0x80, 0x28},
  79                                                {0x90, 0x29}, {0xa0, 0x2a},
  80                                                {0xb0, 0x2b}, {0xc0, 0x2c},
  81                                                {0xd0, 0x2d}, {0xe0, 0x2e},
  82                                                {0xf0, 0x2f}, {0xff, 0x30});
  83
  84                 err += sn9c102_i2c_write(cam, 0x12, 0x8d);
  85                 err += sn9c102_i2c_write(cam, 0x12, 0x0d);
  86                 err += sn9c102_i2c_write(cam, 0x15, 0x34);
  87                 err += sn9c102_i2c_write(cam, 0x11, 0x01);
  88                 err += sn9c102_i2c_write(cam, 0x1b, 0x04);
  89                 err += sn9c102_i2c_write(cam, 0x20, 0x44);
  90                 err += sn9c102_i2c_write(cam, 0x23, 0xee);
  91                 err += sn9c102_i2c_write(cam, 0x26, 0xa0);
  92                 err += sn9c102_i2c_write(cam, 0x27, 0x9a);
  93                 err += sn9c102_i2c_write(cam, 0x28, 0x20);
  94                 err += sn9c102_i2c_write(cam, 0x29, 0x30);
  95                 err += sn9c102_i2c_write(cam, 0x2f, 0x3d);
  96                 err += sn9c102_i2c_write(cam, 0x30, 0x24);
  97                 err += sn9c102_i2c_write(cam, 0x32, 0x86);
  98                 err += sn9c102_i2c_write(cam, 0x60, 0xa9);
  99                 err += sn9c102_i2c_write(cam, 0x61, 0x42);
 100                 err += sn9c102_i2c_write(cam, 0x65, 0x00);
 101                 err += sn9c102_i2c_write(cam, 0x69, 0x38);
 102                 err += sn9c102_i2c_write(cam, 0x6f, 0x88);
 103                 err += sn9c102_i2c_write(cam, 0x70, 0x0b);
 104                 err += sn9c102_i2c_write(cam, 0x71, 0x00);
 105                 err += sn9c102_i2c_write(cam, 0x74, 0x21);
 106                 err += sn9c102_i2c_write(cam, 0x7d, 0xf7);
 107                 break;
 108         case BRIDGE_SN9C105:
 109         case BRIDGE_SN9C120:
 110         err = sn9c102_write_const_regs(cam, {0x40, 0x02}, {0x00, 0x03},
 111                                        {0x1a, 0x04}, {0x03, 0x10},
 112                                        {0x0a, 0x14}, {0xe2, 0x17},
 113                                        {0x0b, 0x18}, {0x00, 0x19},
 114                                        {0x1d, 0x1a}, {0x10, 0x1b},
 115                                        {0x02, 0x1c}, {0x03, 0x1d},
 116                                        {0x0f, 0x1e}, {0x0c, 0x1f},
 117                                        {0x00, 0x20}, {0x24, 0x21},
 118                                        {0x3b, 0x22}, {0x47, 0x23},
 119                                        {0x60, 0x24}, {0x71, 0x25},
 120                                        {0x80, 0x26}, {0x8f, 0x27},
 121                                        {0x9d, 0x28}, {0xaa, 0x29},
 122                                        {0xb8, 0x2a}, {0xc4, 0x2b},
 123                                        {0xd1, 0x2c}, {0xdd, 0x2d},
 124                                        {0xe8, 0x2e}, {0xf4, 0x2f},
 125                                        {0xff, 0x30}, {0x00, 0x3f},
 126                                        {0xc7, 0x40}, {0x01, 0x41},
 127                                        {0x44, 0x42}, {0x00, 0x43},
 128                                        {0x44, 0x44}, {0x00, 0x45},
 129                                        {0x44, 0x46}, {0x00, 0x47},
 130                                        {0xc7, 0x48}, {0x01, 0x49},
 131                                        {0xc7, 0x4a}, {0x01, 0x4b},
 132                                        {0xc7, 0x4c}, {0x01, 0x4d},
 133                                        {0x44, 0x4e}, {0x00, 0x4f},
 134                                        {0x44, 0x50}, {0x00, 0x51},
 135                                        {0x44, 0x52}, {0x00, 0x53},
 136                                        {0xc7, 0x54}, {0x01, 0x55},
 137                                        {0xc7, 0x56}, {0x01, 0x57},
 138                                        {0xc7, 0x58}, {0x01, 0x59},
 139                                        {0x44, 0x5a}, {0x00, 0x5b},
 140                                        {0x44, 0x5c}, {0x00, 0x5d},
 141                                        {0x44, 0x5e}, {0x00, 0x5f},
 142                                        {0xc7, 0x60}, {0x01, 0x61},
 143                                        {0xc7, 0x62}, {0x01, 0x63},
 144                                        {0xc7, 0x64}, {0x01, 0x65},
 145                                        {0x44, 0x66}, {0x00, 0x67},
 146                                        {0x44, 0x68}, {0x00, 0x69},
 147                                        {0x44, 0x6a}, {0x00, 0x6b},
 148                                        {0xc7, 0x6c}, {0x01, 0x6d},
 149                                        {0xc7, 0x6e}, {0x01, 0x6f},
 150                                        {0xc7, 0x70}, {0x01, 0x71},
 151                                        {0x44, 0x72}, {0x00, 0x73},
 152                                        {0x44, 0x74}, {0x00, 0x75},
 153                                        {0x44, 0x76}, {0x00, 0x77},
 154                                        {0xc7, 0x78}, {0x01, 0x79},
 155                                        {0xc7, 0x7a}, {0x01, 0x7b},
 156                                        {0xc7, 0x7c}, {0x01, 0x7d},
 157                                        {0x44, 0x7e}, {0x00, 0x7f},
 158                                        {0x17, 0x84}, {0x00, 0x85},
 159                                        {0x2e, 0x86}, {0x00, 0x87},
 160                                        {0x09, 0x88}, {0x00, 0x89},
 161                                        {0xe8, 0x8a}, {0x0f, 0x8b},
 162                                        {0xda, 0x8c}, {0x0f, 0x8d},
 163                                        {0x40, 0x8e}, {0x00, 0x8f},
 164                                        {0x37, 0x90}, {0x00, 0x91},
 165                                        {0xcf, 0x92}, {0x0f, 0x93},
 166                                        {0xfa, 0x94}, {0x0f, 0x95},
 167                                        {0x00, 0x96}, {0x00, 0x97},
 168                                        {0x00, 0x98}, {0x66, 0x99},
 169                                        {0x00, 0x9a}, {0x40, 0x9b},
 170                                        {0x20, 0x9c}, {0x00, 0x9d},
 171                                        {0x00, 0x9e}, {0x00, 0x9f},
 172                                        {0x2d, 0xc0}, {0x2d, 0xc1},
 173                                        {0x3a, 0xc2}, {0x00, 0xc3},
 174                                        {0x04, 0xc4}, {0x3f, 0xc5},
 175                                        {0x00, 0xc6}, {0x00, 0xc7},
 176                                        {0x50, 0xc8}, {0x3c, 0xc9},
 177                                        {0x28, 0xca}, {0xd8, 0xcb},
 178                                        {0x14, 0xcc}, {0xec, 0xcd},
 179                                        {0x32, 0xce}, {0xdd, 0xcf},
 180                                        {0x32, 0xd0}, {0xdd, 0xd1},
 181                                        {0x6a, 0xd2}, {0x50, 0xd3},
 182                                        {0x60, 0xd4}, {0x00, 0xd5},
 183                                        {0x00, 0xd6});
 184
 185                 err += sn9c102_i2c_write(cam, 0x12, 0x80);
 186                 err += sn9c102_i2c_write(cam, 0x12, 0x48);
 187                 err += sn9c102_i2c_write(cam, 0x01, 0x80);
 188                 err += sn9c102_i2c_write(cam, 0x02, 0x80);
 189                 err += sn9c102_i2c_write(cam, 0x03, 0x80);
 190                 err += sn9c102_i2c_write(cam, 0x04, 0x10);
 191                 err += sn9c102_i2c_write(cam, 0x05, 0x20);
 192                 err += sn9c102_i2c_write(cam, 0x06, 0x80);
 193                 err += sn9c102_i2c_write(cam, 0x11, 0x00);
 194                 err += sn9c102_i2c_write(cam, 0x0c, 0x20);
 195                 err += sn9c102_i2c_write(cam, 0x0d, 0x20);
 196                 err += sn9c102_i2c_write(cam, 0x15, 0x80);
 197                 err += sn9c102_i2c_write(cam, 0x16, 0x03);
 198                 err += sn9c102_i2c_write(cam, 0x17, 0x1b);
 199                 err += sn9c102_i2c_write(cam, 0x18, 0xbd);
 200                 err += sn9c102_i2c_write(cam, 0x19, 0x05);
 201                 err += sn9c102_i2c_write(cam, 0x1a, 0xf6);
 202                 err += sn9c102_i2c_write(cam, 0x1b, 0x04);
 203                 err += sn9c102_i2c_write(cam, 0x21, 0x1b);
 204                 err += sn9c102_i2c_write(cam, 0x22, 0x00);
 205                 err += sn9c102_i2c_write(cam, 0x23, 0xde);
 206                 err += sn9c102_i2c_write(cam, 0x24, 0x10);
 207                 err += sn9c102_i2c_write(cam, 0x25, 0x8a);
 208                 err += sn9c102_i2c_write(cam, 0x26, 0xa0);
 209                 err += sn9c102_i2c_write(cam, 0x27, 0xca);
 210                 err += sn9c102_i2c_write(cam, 0x28, 0xa2);
 211                 err += sn9c102_i2c_write(cam, 0x29, 0x74);
 212                 err += sn9c102_i2c_write(cam, 0x2a, 0x88);
 213                 err += sn9c102_i2c_write(cam, 0x2b, 0x34);
 214                 err += sn9c102_i2c_write(cam, 0x2c, 0x88);
 215                 err += sn9c102_i2c_write(cam, 0x2e, 0x00);
 216                 err += sn9c102_i2c_write(cam, 0x2f, 0x00);
 217                 err += sn9c102_i2c_write(cam, 0x30, 0x00);
 218                 err += sn9c102_i2c_write(cam, 0x32, 0xc2);
 219                 err += sn9c102_i2c_write(cam, 0x33, 0x08);
 220                 err += sn9c102_i2c_write(cam, 0x4c, 0x40);
 221                 err += sn9c102_i2c_write(cam, 0x4d, 0xf3);
 222                 err += sn9c102_i2c_write(cam, 0x60, 0x05);
 223                 err += sn9c102_i2c_write(cam, 0x61, 0x40);
 224                 err += sn9c102_i2c_write(cam, 0x62, 0x12);
 225                 err += sn9c102_i2c_write(cam, 0x63, 0x57);
 226                 err += sn9c102_i2c_write(cam, 0x64, 0x73);
 227                 err += sn9c102_i2c_write(cam, 0x65, 0x00);
 228                 err += sn9c102_i2c_write(cam, 0x66, 0x55);
 229                 err += sn9c102_i2c_write(cam, 0x67, 0x01);
 230                 err += sn9c102_i2c_write(cam, 0x68, 0xac);
 231                 err += sn9c102_i2c_write(cam, 0x69, 0x38);
 232                 err += sn9c102_i2c_write(cam, 0x6f, 0x1f);
 233                 err += sn9c102_i2c_write(cam, 0x70, 0x01);
 234                 err += sn9c102_i2c_write(cam, 0x71, 0x00);
 235                 err += sn9c102_i2c_write(cam, 0x72, 0x10);
 236                 err += sn9c102_i2c_write(cam, 0x73, 0x50);
 237                 err += sn9c102_i2c_write(cam, 0x74, 0x20);
 238                 err += sn9c102_i2c_write(cam, 0x76, 0x01);
 239                 err += sn9c102_i2c_write(cam, 0x77, 0xf3);
 240                 err += sn9c102_i2c_write(cam, 0x78, 0x90);
 241                 err += sn9c102_i2c_write(cam, 0x79, 0x98);
 242                 err += sn9c102_i2c_write(cam, 0x7a, 0x98);
 243                 err += sn9c102_i2c_write(cam, 0x7b, 0x00);
 244                 err += sn9c102_i2c_write(cam, 0x7c, 0x38);
 245                 err += sn9c102_i2c_write(cam, 0x7d, 0xff);
 246                 break;
 247         default:
 248                 break;
 249         }
 250
 251         return err;
 252 }
 253
 254
 255 static int ov7630_get_ctrl(struct sn9c102_device* cam,
 256                            struct v4l2_control* ctrl)
 257 {
 258         enum sn9c102_bridge bridge = sn9c102_get_bridge(cam);
 259         int err = 0;
 260
 261         switch (ctrl->id) {
 262         case V4L2_CID_EXPOSURE:
 263                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
 264                         return -EIO;
 265                 break;
 266         case V4L2_CID_RED_BALANCE:
 267                 if (bridge == BRIDGE_SN9C105 || bridge == BRIDGE_SN9C120)
 268                         ctrl->value = sn9c102_pread_reg(cam, 0x05);
 269                 else
 270                         ctrl->value = sn9c102_pread_reg(cam, 0x07);
 271                 break;
 272         case V4L2_CID_BLUE_BALANCE:
 273                 ctrl->value = sn9c102_pread_reg(cam, 0x06);
 274                 break;
 275         case SN9C102_V4L2_CID_GREEN_BALANCE:
 276                 if (bridge == BRIDGE_SN9C105 || bridge == BRIDGE_SN9C120)
 277                         ctrl->value = sn9c102_pread_reg(cam, 0x07);
 278                 else
 279                         ctrl->value = sn9c102_pread_reg(cam, 0x05);
 280                 break;
 281                 break;
 282         case V4L2_CID_GAIN:
 283                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
 284                         return -EIO;
 285                 ctrl->value &= 0x3f;
 286                 break;
 287         case V4L2_CID_DO_WHITE_BALANCE:
 288                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x0c)) < 0)
 289                         return -EIO;
 290                 ctrl->value &= 0x3f;
 291                 break;
 292         case V4L2_CID_WHITENESS:
 293                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x0d)) < 0)
 294                         return -EIO;
 295                 ctrl->value &= 0x3f;
 296                 break;
 297         case V4L2_CID_AUTOGAIN:
 298                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
 299                         return -EIO;
 300                 ctrl->value &= 0x01;
 301                 break;
 302         case V4L2_CID_VFLIP:
 303                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x75)) < 0)
 304                         return -EIO;
 305                 ctrl->value = (ctrl->value & 0x80) ? 1 : 0;
 306                 break;
 307         case SN9C102_V4L2_CID_GAMMA:
 308                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x14)) < 0)
 309                         return -EIO;
 310                 ctrl->value = (ctrl->value & 0x02) ? 1 : 0;
 311                 break;
 312         case SN9C102_V4L2_CID_BAND_FILTER:
 313                 if ((ctrl->value = sn9c102_i2c_read(cam, 0x2d)) < 0)
 314                         return -EIO;
 315                 ctrl->value = (ctrl->value & 0x02) ? 1 : 0;
 316                 break;
 317         default:
 318                 return -EINVAL;
 319         }
 320
 321         return err ? -EIO : 0;
 322 }
 323
 324
 325 static int ov7630_set_ctrl(struct sn9c102_device* cam,
 326                            const struct v4l2_control* ctrl)
 327 {
 328         enum sn9c102_bridge bridge = sn9c102_get_bridge(cam);
 329         int err = 0;
 330
 331         switch (ctrl->id) {
 332         case V4L2_CID_EXPOSURE:
 333                 err += sn9c102_i2c_write(cam, 0x10, ctrl->value);
 334                 break;
 335         case V4L2_CID_RED_BALANCE:
 336                 if (bridge == BRIDGE_SN9C105 || bridge == BRIDGE_SN9C120)
 337                         err += sn9c102_write_reg(cam, ctrl->value, 0x05);
 338                 else
 339                         err += sn9c102_write_reg(cam, ctrl->value, 0x07);
 340                 break;
 341         case V4L2_CID_BLUE_BALANCE:
 342                 err += sn9c102_write_reg(cam, ctrl->value, 0x06);
 343                 break;
 344         case SN9C102_V4L2_CID_GREEN_BALANCE:
 345                 if (bridge == BRIDGE_SN9C105 || bridge == BRIDGE_SN9C120)
 346                         err += sn9c102_write_reg(cam, ctrl->value, 0x07);
 347                 else
 348                         err += sn9c102_write_reg(cam, ctrl->value, 0x05);
 349                 break;
 350         case V4L2_CID_GAIN:
 351                 err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
 352                 break;
 353         case V4L2_CID_DO_WHITE_BALANCE:
 354                 err += sn9c102_i2c_write(cam, 0x0c, ctrl->value);
 355                 break;
 356         case V4L2_CID_WHITENESS:
 357                 err += sn9c102_i2c_write(cam, 0x0d, ctrl->value);
 358                 break;
 359         case V4L2_CID_AUTOGAIN:
 360                 err += sn9c102_i2c_write(cam, 0x13, ctrl->value |
 361                                                     (ctrl->value << 1));
 362                 break;
 363         case V4L2_CID_VFLIP:
 364                 err += sn9c102_i2c_write(cam, 0x75, 0x0e | (ctrl->value << 7));
 365                 break;
 366         case SN9C102_V4L2_CID_GAMMA:
 367                 err += sn9c102_i2c_write(cam, 0x14, ctrl->value << 2);
 368                 break;
 369         case SN9C102_V4L2_CID_BAND_FILTER:
 370                 err += sn9c102_i2c_write(cam, 0x2d, ctrl->value << 2);
 371                 break;
 372         default:
 373                 return -EINVAL;
 374         }
 375
 376         return err ? -EIO : 0;
 377 }
 378
 379
 380 static int ov7630_set_crop(struct sn9c102_device* cam,
 381                            const struct v4l2_rect* rect)
 382 {
 383         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
 384         int err = 0;
 385         u8 h_start = 0, v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
 386
 387         switch (sn9c102_get_bridge(cam)) {
 388         case BRIDGE_SN9C101:
 389         case BRIDGE_SN9C102:
 390         case BRIDGE_SN9C103:
 391                 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1;
 392                 break;
 393         case BRIDGE_SN9C105:
 394         case BRIDGE_SN9C120:
 395                 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 4;
 396                 break;
 397         default:
 398                 break;
 399         }
 400
 401         err += sn9c102_write_reg(cam, h_start, 0x12);
 402         err += sn9c102_write_reg(cam, v_start, 0x13);
 403
 404         return err;
 405 }
 406
 407
 408 static int ov7630_set_pix_format(struct sn9c102_device* cam,
 409                                  const struct v4l2_pix_format* pix)
 410 {
 411         int err = 0;
 412
 413         switch (sn9c102_get_bridge(cam)) {
 414         case BRIDGE_SN9C101:
 415         case BRIDGE_SN9C102:
 416         case BRIDGE_SN9C103:
 417                 if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8)
 418                         err += sn9c102_write_reg(cam, 0x50, 0x19);
 419                 else
 420                         err += sn9c102_write_reg(cam, 0x20, 0x19);
 421                 break;
 422         case BRIDGE_SN9C105:
 423         case BRIDGE_SN9C120:
 424                 if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
 425                         err += sn9c102_write_reg(cam, 0xe5, 0x17);
 426                         err += sn9c102_i2c_write(cam, 0x11, 0x04);
 427                 } else {
 428                         err += sn9c102_write_reg(cam, 0xe2, 0x17);
 429                         err += sn9c102_i2c_write(cam, 0x11, 0x02);
 430                 }
 431                 break;
 432         default:
 433                 break;
 434         }
 435
 436         return err;
 437 }
 438
 439
 440 static const struct sn9c102_sensor ov7630 = {
 441         .name = "OV7630",
 442         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
 443         .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102 | BRIDGE_SN9C103 |
 444                             BRIDGE_SN9C105 | BRIDGE_SN9C120,
 445         .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
 446         .frequency = SN9C102_I2C_100KHZ,
 447         .interface = SN9C102_I2C_2WIRES,
 448         .i2c_slave_id = 0x21,
 449         .init = &ov7630_init,
 450         .qctrl = {
 451                 {
 452                         .id = V4L2_CID_GAIN,
 453                         .type = V4L2_CTRL_TYPE_INTEGER,
 454                         .name = "global gain",
 455                         .minimum = 0x00,
 456                         .maximum = 0x3f,
 457                         .step = 0x01,
 458                         .default_value = 0x14,
 459                         .flags = 0,
 460                 },
 461                 {
 462                         .id = V4L2_CID_EXPOSURE,
 463                         .type = V4L2_CTRL_TYPE_INTEGER,
 464                         .name = "exposure",
 465                         .minimum = 0x00,
 466                         .maximum = 0xff,
 467                         .step = 0x01,
 468                         .default_value = 0x60,
 469                         .flags = 0,
 470                 },
 471                 {
 472                         .id = V4L2_CID_WHITENESS,
 473                         .type = V4L2_CTRL_TYPE_INTEGER,
 474                         .name = "white balance background: red",
 475                         .minimum = 0x00,
 476                         .maximum = 0x3f,
 477                         .step = 0x01,
 478                         .default_value = 0x20,
 479                         .flags = 0,
 480                 },
 481                 {
 482                         .id = V4L2_CID_DO_WHITE_BALANCE,
 483                         .type = V4L2_CTRL_TYPE_INTEGER,
 484                         .name = "white balance background: blue",
 485                         .minimum = 0x00,
 486                         .maximum = 0x3f,
 487                         .step = 0x01,
 488                         .default_value = 0x20,
 489                         .flags = 0,
 490                 },
 491                 {
 492                         .id = V4L2_CID_RED_BALANCE,
 493                         .type = V4L2_CTRL_TYPE_INTEGER,
 494                         .name = "red balance",
 495                         .minimum = 0x00,
 496                         .maximum = 0x7f,
 497                         .step = 0x01,
 498                         .default_value = 0x20,
 499                         .flags = 0,
 500                 },
 501                 {
 502                         .id = V4L2_CID_BLUE_BALANCE,
 503                         .type = V4L2_CTRL_TYPE_INTEGER,
 504                         .name = "blue balance",
 505                         .minimum = 0x00,
 506                         .maximum = 0x7f,
 507                         .step = 0x01,
 508                         .default_value = 0x20,
 509                         .flags = 0,
 510                 },
 511                 {
 512                         .id = V4L2_CID_AUTOGAIN,
 513                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 514                         .name = "auto adjust",
 515                         .minimum = 0x00,
 516                         .maximum = 0x01,
 517                         .step = 0x01,
 518                         .default_value = 0x00,
 519                         .flags = 0,
 520                 },
 521                 {
 522                         .id = V4L2_CID_VFLIP,
 523                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 524                         .name = "vertical flip",
 525                         .minimum = 0x00,
 526                         .maximum = 0x01,
 527                         .step = 0x01,
 528                         .default_value = 0x01,
 529                         .flags = 0,
 530                 },
 531                 {
 532                         .id = SN9C102_V4L2_CID_GREEN_BALANCE,
 533                         .type = V4L2_CTRL_TYPE_INTEGER,
 534                         .name = "green balance",
 535                         .minimum = 0x00,
 536                         .maximum = 0x7f,
 537                         .step = 0x01,
 538                         .default_value = 0x20,
 539                         .flags = 0,
 540                 },
 541                 {
 542                         .id = SN9C102_V4L2_CID_BAND_FILTER,
 543                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 544                         .name = "band filter",
 545                         .minimum = 0x00,
 546                         .maximum = 0x01,
 547                         .step = 0x01,
 548                         .default_value = 0x00,
 549                         .flags = 0,
 550                 },
 551                 {
 552                         .id = SN9C102_V4L2_CID_GAMMA,
 553                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 554                         .name = "rgb gamma",
 555                         .minimum = 0x00,
 556                         .maximum = 0x01,
 557                         .step = 0x01,
 558                         .default_value = 0x00,
 559                         .flags = 0,
 560                 },
 561         },
 562         .get_ctrl = &ov7630_get_ctrl,
 563         .set_ctrl = &ov7630_set_ctrl,
 564         .cropcap = {
 565                 .bounds = {
 566                         .left = 0,
 567                         .top = 0,
 568                         .width = 640,
 569                         .height = 480,
 570                 },
 571                 .defrect = {
 572                         .left = 0,
 573                         .top = 0,
 574                         .width = 640,
 575                         .height = 480,
 576                 },
 577         },
 578         .set_crop = &ov7630_set_crop,
 579         .pix_format = {
 580                 .width = 640,
 581                 .height = 480,
 582                 .pixelformat = V4L2_PIX_FMT_SN9C10X,
 583                 .priv = 8,
 584         },
 585         .set_pix_format = &ov7630_set_pix_format
 586 };
 587
 588
 589 int sn9c102_probe_ov7630(struct sn9c102_device* cam)
 590 {
 591         int pid, ver, err = 0;
 592
 593         switch (sn9c102_get_bridge(cam)) {
 594         case BRIDGE_SN9C101:
 595         case BRIDGE_SN9C102:
 596                 err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x00, 0x01},
 597                                                {0x28, 0x17});
 598                 break;
 599         case BRIDGE_SN9C103: /* do _not_ change anything! */
 600                 err = sn9c102_write_const_regs(cam, {0x09, 0x01}, {0x42, 0x01},
 601                                                {0x28, 0x17}, {0x44, 0x02});
 602                 pid = sn9c102_i2c_try_read(cam, &ov7630, 0x0a);
 603                 if (err || pid < 0) /* try a different initialization */
 604                         err += sn9c102_write_const_regs(cam, {0x01, 0x01},
 605                                                         {0x00, 0x01});
 606                 break;
 607         case BRIDGE_SN9C105:
 608         case BRIDGE_SN9C120:
 609                 err = sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
 610                                                {0x29, 0x01}, {0x74, 0x02},
 611                                                {0x0e, 0x01}, {0x44, 0x01});
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         pid = sn9c102_i2c_try_read(cam, &ov7630, 0x0a);
 618         ver = sn9c102_i2c_try_read(cam, &ov7630, 0x0b);
 619         if (err || pid < 0 || ver < 0)
 620                 return -EIO;
 621         if (pid != 0x76 || ver != 0x31)
 622                 return -ENODEV;
 623         sn9c102_attach_sensor(cam, &ov7630);
 624
 625         return 0;
 626 }