git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/sn9c102/sn9c102_mi0360.c

   1 /***************************************************************************
   2  * Plug-in for MI-0360 image sensor connected to the SN9C1xx PC Camera     *
   3  * Controllers                                                             *
   4  *                                                                         *
   5  * Copyright (C) 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
  24
  25 static int mi0360_init(struct sn9c102_device* cam)
  26 {
  27         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
  28         int err = 0;
  29
  30         switch (sn9c102_get_bridge(cam)) {
  31         case BRIDGE_SN9C103:
  32                 err = sn9c102_write_const_regs(cam, {0x00, 0x10}, {0x00, 0x11},
  33                                                {0x0a, 0x14}, {0x40, 0x01},
  34                                                {0x20, 0x17}, {0x07, 0x18},
  35                                                {0xa0, 0x19}, {0x02, 0x1c},
  36                                                {0x03, 0x1d}, {0x0f, 0x1e},
  37                                                {0x0c, 0x1f}, {0x00, 0x20},
  38                                                {0x10, 0x21}, {0x20, 0x22},
  39                                                {0x30, 0x23}, {0x40, 0x24},
  40                                                {0x50, 0x25}, {0x60, 0x26},
  41                                                {0x70, 0x27}, {0x80, 0x28},
  42                                                {0x90, 0x29}, {0xa0, 0x2a},
  43                                                {0xb0, 0x2b}, {0xc0, 0x2c},
  44                                                {0xd0, 0x2d}, {0xe0, 0x2e},
  45                                                {0xf0, 0x2f}, {0xff, 0x30});
  46                 break;
  47         case BRIDGE_SN9C105:
  48         case BRIDGE_SN9C120:
  49                 err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02},
  50                                                {0x00, 0x03}, {0x1a, 0x04},
  51                                                {0x50, 0x05}, {0x20, 0x06},
  52                                                {0x10, 0x07}, {0x03, 0x10},
  53                                                {0x08, 0x14}, {0xa2, 0x17},
  54                                                {0x47, 0x18}, {0x00, 0x19},
  55                                                {0x1d, 0x1a}, {0x10, 0x1b},
  56                                                {0x02, 0x1c}, {0x03, 0x1d},
  57                                                {0x0f, 0x1e}, {0x0c, 0x1f},
  58                                                {0x00, 0x20}, {0x29, 0x21},
  59                                                {0x40, 0x22}, {0x54, 0x23},
  60                                                {0x66, 0x24}, {0x76, 0x25},
  61                                                {0x85, 0x26}, {0x94, 0x27},
  62                                                {0xa1, 0x28}, {0xae, 0x29},
  63                                                {0xbb, 0x2a}, {0xc7, 0x2b},
  64                                                {0xd3, 0x2c}, {0xde, 0x2d},
  65                                                {0xea, 0x2e}, {0xf4, 0x2f},
  66                                                {0xff, 0x30}, {0x00, 0x3F},
  67                                                {0xC7, 0x40}, {0x01, 0x41},
  68                                                {0x44, 0x42}, {0x00, 0x43},
  69                                                {0x44, 0x44}, {0x00, 0x45},
  70                                                {0x44, 0x46}, {0x00, 0x47},
  71                                                {0xC7, 0x48}, {0x01, 0x49},
  72                                                {0xC7, 0x4A}, {0x01, 0x4B},
  73                                                {0xC7, 0x4C}, {0x01, 0x4D},
  74                                                {0x44, 0x4E}, {0x00, 0x4F},
  75                                                {0x44, 0x50}, {0x00, 0x51},
  76                                                {0x44, 0x52}, {0x00, 0x53},
  77                                                {0xC7, 0x54}, {0x01, 0x55},
  78                                                {0xC7, 0x56}, {0x01, 0x57},
  79                                                {0xC7, 0x58}, {0x01, 0x59},
  80                                                {0x44, 0x5A}, {0x00, 0x5B},
  81                                                {0x44, 0x5C}, {0x00, 0x5D},
  82                                                {0x44, 0x5E}, {0x00, 0x5F},
  83                                                {0xC7, 0x60}, {0x01, 0x61},
  84                                                {0xC7, 0x62}, {0x01, 0x63},
  85                                                {0xC7, 0x64}, {0x01, 0x65},
  86                                                {0x44, 0x66}, {0x00, 0x67},
  87                                                {0x44, 0x68}, {0x00, 0x69},
  88                                                {0x44, 0x6A}, {0x00, 0x6B},
  89                                                {0xC7, 0x6C}, {0x01, 0x6D},
  90                                                {0xC7, 0x6E}, {0x01, 0x6F},
  91                                                {0xC7, 0x70}, {0x01, 0x71},
  92                                                {0x44, 0x72}, {0x00, 0x73},
  93                                                {0x44, 0x74}, {0x00, 0x75},
  94                                                {0x44, 0x76}, {0x00, 0x77},
  95                                                {0xC7, 0x78}, {0x01, 0x79},
  96                                                {0xC7, 0x7A}, {0x01, 0x7B},
  97                                                {0xC7, 0x7C}, {0x01, 0x7D},
  98                                                {0x44, 0x7E}, {0x00, 0x7F},
  99                                                {0x14, 0x84}, {0x00, 0x85},
 100                                                {0x27, 0x86}, {0x00, 0x87},
 101                                                {0x07, 0x88}, {0x00, 0x89},
 102                                                {0xEC, 0x8A}, {0x0f, 0x8B},
 103                                                {0xD8, 0x8C}, {0x0f, 0x8D},
 104                                                {0x3D, 0x8E}, {0x00, 0x8F},
 105                                                {0x3D, 0x90}, {0x00, 0x91},
 106                                                {0xCD, 0x92}, {0x0f, 0x93},
 107                                                {0xf7, 0x94}, {0x0f, 0x95},
 108                                                {0x0C, 0x96}, {0x00, 0x97},
 109                                                {0x00, 0x98}, {0x66, 0x99},
 110                                                {0x05, 0x9A}, {0x00, 0x9B},
 111                                                {0x04, 0x9C}, {0x00, 0x9D},
 112                                                {0x08, 0x9E}, {0x00, 0x9F},
 113                                                {0x2D, 0xC0}, {0x2D, 0xC1},
 114                                                {0x3A, 0xC2}, {0x05, 0xC3},
 115                                                {0x04, 0xC4}, {0x3F, 0xC5},
 116                                                {0x00, 0xC6}, {0x00, 0xC7},
 117                                                {0x50, 0xC8}, {0x3C, 0xC9},
 118                                                {0x28, 0xCA}, {0xD8, 0xCB},
 119                                                {0x14, 0xCC}, {0xEC, 0xCD},
 120                                                {0x32, 0xCE}, {0xDD, 0xCF},
 121                                                {0x32, 0xD0}, {0xDD, 0xD1},
 122                                                {0x6A, 0xD2}, {0x50, 0xD3},
 123                                                {0x00, 0xD4}, {0x00, 0xD5},
 124                                                {0x00, 0xD6});
 125                 break;
 126         default:
 127                 break;
 128         }
 129
 130         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
 131                                          0x00, 0x01, 0, 0);
 132         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
 133                                          0x00, 0x00, 0, 0);
 134         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03,
 135                                          0x01, 0xe1, 0, 0);
 136         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04,
 137                                          0x02, 0x81, 0, 0);
 138         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05,
 139                                          0x00, 0x17, 0, 0);
 140         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06,
 141                                          0x00, 0x11, 0, 0);
 142         err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x62,
 143                                          0x04, 0x9a, 0, 0);
 144
 145         return err;
 146 }
 147
 148
 149 static int mi0360_get_ctrl(struct sn9c102_device* cam,
 150                            struct v4l2_control* ctrl)
 151 {
 152         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
 153         u8 data[2];
 154
 155         switch (ctrl->id) {
 156         case V4L2_CID_EXPOSURE:
 157                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x09, 2,
 158                                              data) < 0)
 159                         return -EIO;
 160                 ctrl->value = data[0];
 161                 return 0;
 162         case V4L2_CID_GAIN:
 163                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x35, 2,
 164                                              data) < 0)
 165                         return -EIO;
 166                 ctrl->value = data[1];
 167                 return 0;
 168         case V4L2_CID_RED_BALANCE:
 169                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2c, 2,
 170                                              data) < 0)
 171                         return -EIO;
 172                 ctrl->value = data[1];
 173                 return 0;
 174         case V4L2_CID_BLUE_BALANCE:
 175                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2d, 2,
 176                                              data) < 0)
 177                         return -EIO;
 178                 ctrl->value = data[1];
 179                 return 0;
 180         case SN9C102_V4L2_CID_GREEN_BALANCE:
 181                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2e, 2,
 182                                              data) < 0)
 183                         return -EIO;
 184                 ctrl->value = data[1];
 185                 return 0;
 186         case V4L2_CID_HFLIP:
 187                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
 188                                              data) < 0)
 189                         return -EIO;
 190                 ctrl->value = data[1] & 0x20 ? 1 : 0;
 191                 return 0;
 192         case V4L2_CID_VFLIP:
 193                 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
 194                                              data) < 0)
 195                         return -EIO;
 196                 ctrl->value = data[1] & 0x80 ? 1 : 0;
 197                 return 0;
 198         default:
 199                 return -EINVAL;
 200         }
 201
 202         return 0;
 203 }
 204
 205
 206 static int mi0360_set_ctrl(struct sn9c102_device* cam,
 207                            const struct v4l2_control* ctrl)
 208 {
 209         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
 210         int err = 0;
 211
 212         switch (ctrl->id) {
 213         case V4L2_CID_EXPOSURE:
 214                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 215                                                  0x09, ctrl->value, 0x00,
 216                                                  0, 0);
 217                 break;
 218         case V4L2_CID_GAIN:
 219                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 220                                                  0x35, 0x03, ctrl->value,
 221                                                  0, 0);
 222                 break;
 223         case V4L2_CID_RED_BALANCE:
 224                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 225                                                  0x2c, 0x03, ctrl->value,
 226                                                  0, 0);
 227                 break;
 228         case V4L2_CID_BLUE_BALANCE:
 229                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 230                                                  0x2d, 0x03, ctrl->value,
 231                                                  0, 0);
 232                 break;
 233         case SN9C102_V4L2_CID_GREEN_BALANCE:
 234                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 235                                                  0x2b, 0x03, ctrl->value,
 236                                                  0, 0);
 237                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 238                                                  0x2e, 0x03, ctrl->value,
 239                                                  0, 0);
 240                 break;
 241         case V4L2_CID_HFLIP:
 242                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 243                                                  0x20, ctrl->value ? 0x40:0x00,
 244                                                  ctrl->value ? 0x20:0x00,
 245                                                  0, 0);
 246                 break;
 247         case V4L2_CID_VFLIP:
 248                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 249                                                  0x20, ctrl->value ? 0x80:0x00,
 250                                                  ctrl->value ? 0x80:0x00,
 251                                                  0, 0);
 252                 break;
 253         default:
 254                 return -EINVAL;
 255         }
 256
 257         return err ? -EIO : 0;
 258 }
 259
 260
 261 static int mi0360_set_crop(struct sn9c102_device* cam,
 262                             const struct v4l2_rect* rect)
 263 {
 264         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
 265         int err = 0;
 266         u8 h_start = 0, v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
 267
 268         switch (sn9c102_get_bridge(cam)) {
 269         case BRIDGE_SN9C103:
 270                 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 0;
 271                 break;
 272         case BRIDGE_SN9C105:
 273         case BRIDGE_SN9C120:
 274                 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1;
 275                 break;
 276         default:
 277                 break;
 278         }
 279
 280         err += sn9c102_write_reg(cam, h_start, 0x12);
 281         err += sn9c102_write_reg(cam, v_start, 0x13);
 282
 283         return err;
 284 }
 285
 286
 287 static int mi0360_set_pix_format(struct sn9c102_device* cam,
 288                                  const struct v4l2_pix_format* pix)
 289 {
 290         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
 291         int err = 0;
 292
 293         if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
 294                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 295                                                  0x0a, 0x00, 0x05, 0, 0);
 296                 err += sn9c102_write_reg(cam, 0x60, 0x19);
 297                 if (sn9c102_get_bridge(cam) == BRIDGE_SN9C105 ||
 298                     sn9c102_get_bridge(cam) == BRIDGE_SN9C120)
 299                         err += sn9c102_write_reg(cam, 0xa6, 0x17);
 300         } else {
 301                 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
 302                                                  0x0a, 0x00, 0x02, 0, 0);
 303                 err += sn9c102_write_reg(cam, 0x20, 0x19);
 304                 if (sn9c102_get_bridge(cam) == BRIDGE_SN9C105 ||
 305                     sn9c102_get_bridge(cam) == BRIDGE_SN9C120)
 306                         err += sn9c102_write_reg(cam, 0xa2, 0x17);
 307         }
 308
 309         return err;
 310 }
 311
 312
 313 static const struct sn9c102_sensor mi0360 = {
 314         .name = "MI-0360",
 315         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
 316         .supported_bridge = BRIDGE_SN9C103 | BRIDGE_SN9C105 | BRIDGE_SN9C120,
 317         .frequency = SN9C102_I2C_100KHZ,
 318         .interface = SN9C102_I2C_2WIRES,
 319         .i2c_slave_id = 0x5d,
 320         .init = &mi0360_init,
 321         .qctrl = {
 322                 {
 323                         .id = V4L2_CID_EXPOSURE,
 324                         .type = V4L2_CTRL_TYPE_INTEGER,
 325                         .name = "exposure",
 326                         .minimum = 0x00,
 327                         .maximum = 0x0f,
 328                         .step = 0x01,
 329                         .default_value = 0x05,
 330                         .flags = 0,
 331                 },
 332                 {
 333                         .id = V4L2_CID_GAIN,
 334                         .type = V4L2_CTRL_TYPE_INTEGER,
 335                         .name = "global gain",
 336                         .minimum = 0x00,
 337                         .maximum = 0x7f,
 338                         .step = 0x01,
 339                         .default_value = 0x25,
 340                         .flags = 0,
 341                 },
 342                 {
 343                         .id = V4L2_CID_HFLIP,
 344                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 345                         .name = "horizontal mirror",
 346                         .minimum = 0,
 347                         .maximum = 1,
 348                         .step = 1,
 349                         .default_value = 0,
 350                         .flags = 0,
 351                 },
 352                 {
 353                         .id = V4L2_CID_VFLIP,
 354                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 355                         .name = "vertical mirror",
 356                         .minimum = 0,
 357                         .maximum = 1,
 358                         .step = 1,
 359                         .default_value = 0,
 360                         .flags = 0,
 361                 },
 362                 {
 363                         .id = V4L2_CID_BLUE_BALANCE,
 364                         .type = V4L2_CTRL_TYPE_INTEGER,
 365                         .name = "blue balance",
 366                         .minimum = 0x00,
 367                         .maximum = 0x7f,
 368                         .step = 0x01,
 369                         .default_value = 0x0f,
 370                         .flags = 0,
 371                 },
 372                 {
 373                         .id = V4L2_CID_RED_BALANCE,
 374                         .type = V4L2_CTRL_TYPE_INTEGER,
 375                         .name = "red balance",
 376                         .minimum = 0x00,
 377                         .maximum = 0x7f,
 378                         .step = 0x01,
 379                         .default_value = 0x32,
 380                         .flags = 0,
 381                 },
 382                 {
 383                         .id = SN9C102_V4L2_CID_GREEN_BALANCE,
 384                         .type = V4L2_CTRL_TYPE_INTEGER,
 385                         .name = "green balance",
 386                         .minimum = 0x00,
 387                         .maximum = 0x7f,
 388                         .step = 0x01,
 389                         .default_value = 0x25,
 390                         .flags = 0,
 391                 },
 392         },
 393         .get_ctrl = &mi0360_get_ctrl,
 394         .set_ctrl = &mi0360_set_ctrl,
 395         .cropcap = {
 396                 .bounds = {
 397                         .left = 0,
 398                         .top = 0,
 399                         .width = 640,
 400                         .height = 480,
 401                 },
 402                 .defrect = {
 403                         .left = 0,
 404                         .top = 0,
 405                         .width = 640,
 406                         .height = 480,
 407                 },
 408         },
 409         .set_crop = &mi0360_set_crop,
 410         .pix_format = {
 411                 .width = 640,
 412                 .height = 480,
 413                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
 414                 .priv = 8,
 415         },
 416         .set_pix_format = &mi0360_set_pix_format
 417 };
 418
 419
 420 int sn9c102_probe_mi0360(struct sn9c102_device* cam)
 421 {
 422
 423         u8 data[2];
 424
 425         switch (sn9c102_get_bridge(cam)) {
 426         case BRIDGE_SN9C103:
 427                 if (sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x00, 0x01},
 428                                              {0x28, 0x17}))
 429                         return -EIO;
 430                 break;
 431         case BRIDGE_SN9C105:
 432         case BRIDGE_SN9C120:
 433                 if (sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
 434                                              {0x01, 0x01}, {0x00, 0x01},
 435                                              {0x28, 0x17}))
 436                         return -EIO;
 437                 break;
 438         default:
 439                 break;
 440         }
 441
 442         if (sn9c102_i2c_try_raw_read(cam, &mi0360, mi0360.i2c_slave_id, 0x00,
 443                                      2, data) < 0)
 444                 return -EIO;
 445
 446         if (data[0] != 0x82 || data[1] != 0x43)
 447                 return -ENODEV;
 448
 449         sn9c102_attach_sensor(cam, &mi0360);
 450
 451         return 0;
 452 }