SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/video/gspca/spca561.c

   1 /*
   2  * Sunplus spca561 subdriver
   3  *
   4  * Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
   5  *
   6  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
   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 MODULE_NAME "spca561"
  24
  25 #include "gspca.h"
  26
  27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  28 MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
  29 MODULE_LICENSE("GPL");
  30
  31 /* specific webcam descriptor */
  32 struct sd {
  33         struct gspca_dev gspca_dev;     /* !! must be the first item */
  34
  35         unsigned short contrast;
  36         __u8 brightness;
  37         __u8 autogain;
  38
  39         __u8 chip_revision;
  40         signed char ag_cnt;
  41 #define AG_CNT_START 13
  42 };
  43
  44 /* V4L2 controls supported by the driver */
  45 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
  46 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
  47 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
  48 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
  49 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
  50 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
  51
  52 static struct ctrl sd_ctrls[] = {
  53 #define SD_BRIGHTNESS 0
  54         {
  55          {
  56           .id = V4L2_CID_BRIGHTNESS,
  57           .type = V4L2_CTRL_TYPE_INTEGER,
  58           .name = "Brightness",
  59           .minimum = 0,
  60           .maximum = 63,
  61           .step = 1,
  62           .default_value = 32,
  63           },
  64          .set = sd_setbrightness,
  65          .get = sd_getbrightness,
  66          },
  67 #define SD_CONTRAST 1
  68         {
  69          {
  70           .id = V4L2_CID_CONTRAST,
  71           .type = V4L2_CTRL_TYPE_INTEGER,
  72           .name = "Contrast",
  73           .minimum = 0,
  74           .maximum = 0x3fff,
  75           .step = 1,
  76           .default_value = 0x2000,
  77           },
  78          .set = sd_setcontrast,
  79          .get = sd_getcontrast,
  80          },
  81 #define SD_AUTOGAIN 2
  82         {
  83          {
  84           .id = V4L2_CID_AUTOGAIN,
  85           .type = V4L2_CTRL_TYPE_BOOLEAN,
  86           .name = "Auto Gain",
  87           .minimum = 0,
  88           .maximum = 1,
  89           .step = 1,
  90           .default_value = 1,
  91           },
  92          .set = sd_setautogain,
  93          .get = sd_getautogain,
  94          },
  95 };
  96
  97 static struct v4l2_pix_format sif_mode[] = {
  98         {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
  99                 .bytesperline = 160,
 100                 .sizeimage = 160 * 120,
 101                 .colorspace = V4L2_COLORSPACE_SRGB,
 102                 .priv = 3},
 103         {176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 104                 .bytesperline = 176,
 105                 .sizeimage = 176 * 144,
 106                 .colorspace = V4L2_COLORSPACE_SRGB,
 107                 .priv = 2},
 108         {320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
 109                 .bytesperline = 320,
 110                 .sizeimage = 320 * 240 * 4 / 8,
 111                 .colorspace = V4L2_COLORSPACE_SRGB,
 112                 .priv = 1},
 113         {352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
 114                 .bytesperline = 352,
 115                 .sizeimage = 352 * 288 * 4 / 8,
 116                 .colorspace = V4L2_COLORSPACE_SRGB,
 117                 .priv = 0},
 118 };
 119
 120 /*
 121  * Initialization data
 122  * I'm not very sure how to split initialization from open data
 123  * chunks. For now, we'll consider everything as initialization
 124  */
 125 /* Frame packet header offsets for the spca561 */
 126 #define SPCA561_OFFSET_SNAP 1
 127 #define SPCA561_OFFSET_TYPE 2
 128 #define SPCA561_OFFSET_COMPRESS 3
 129 #define SPCA561_OFFSET_FRAMSEQ   4
 130 #define SPCA561_OFFSET_GPIO 5
 131 #define SPCA561_OFFSET_USBBUFF 6
 132 #define SPCA561_OFFSET_WIN2GRAVE 7
 133 #define SPCA561_OFFSET_WIN2RAVE 8
 134 #define SPCA561_OFFSET_WIN2BAVE 9
 135 #define SPCA561_OFFSET_WIN2GBAVE 10
 136 #define SPCA561_OFFSET_WIN1GRAVE 11
 137 #define SPCA561_OFFSET_WIN1RAVE 12
 138 #define SPCA561_OFFSET_WIN1BAVE 13
 139 #define SPCA561_OFFSET_WIN1GBAVE 14
 140 #define SPCA561_OFFSET_FREQ 15
 141 #define SPCA561_OFFSET_VSYNC 16
 142 #define SPCA561_OFFSET_DATA 1
 143 #define SPCA561_INDEX_I2C_BASE 0x8800
 144 #define SPCA561_SNAPBIT 0x20
 145 #define SPCA561_SNAPCTRL 0x40
 146 enum {
 147         Rev072A = 0,
 148         Rev012A,
 149 };
 150
 151 static void reg_w_val(struct usb_device *dev, __u16 index, __u16 value)
 152 {
 153         int ret;
 154
 155         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 156                               0,                /* request */
 157                               USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 158                               value, index, NULL, 0, 500);
 159         PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
 160         if (ret < 0)
 161                 PDEBUG(D_ERR, "reg write: error %d", ret);
 162 }
 163
 164 static void write_vector(struct gspca_dev *gspca_dev,
 165                         const __u16 data[][2])
 166 {
 167         struct usb_device *dev = gspca_dev->dev;
 168         int i;
 169
 170         i = 0;
 171         while (data[i][1] != 0) {
 172                 reg_w_val(dev, data[i][1], data[i][0]);
 173                 i++;
 174         }
 175 }
 176
 177 /* read 'len' bytes to gspca_dev->usb_buf */
 178 static void reg_r(struct gspca_dev *gspca_dev,
 179                   __u16 index, __u16 length)
 180 {
 181         usb_control_msg(gspca_dev->dev,
 182                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 183                         0,                      /* request */
 184                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 185                         0,                      /* value */
 186                         index, gspca_dev->usb_buf, length, 500);
 187 }
 188
 189 static void reg_w_buf(struct gspca_dev *gspca_dev,
 190                       __u16 index, const __u8 *buffer, __u16 len)
 191 {
 192         memcpy(gspca_dev->usb_buf, buffer, len);
 193         usb_control_msg(gspca_dev->dev,
 194                         usb_sndctrlpipe(gspca_dev->dev, 0),
 195                         0,                      /* request */
 196                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 197                         0,                      /* value */
 198                         index, gspca_dev->usb_buf, len, 500);
 199 }
 200
 201 static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
 202 {
 203         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 204         reg_w_val(gspca_dev->dev, mode, 0x8802);
 205 }
 206
 207 static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
 208 {
 209         int retry = 60;
 210         __u8 DataLow;
 211         __u8 DataHight;
 212
 213         DataLow = valeur;
 214         DataHight = valeur >> 8;
 215         reg_w_val(gspca_dev->dev, reg, 0x8801);
 216         reg_w_val(gspca_dev->dev, DataLow, 0x8805);
 217         reg_w_val(gspca_dev->dev, DataHight, 0x8800);
 218         while (retry--) {
 219                 reg_r(gspca_dev, 0x8803, 1);
 220                 if (!gspca_dev->usb_buf[0])
 221                         break;
 222         }
 223 }
 224
 225 static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
 226 {
 227         int retry = 60;
 228         __u8 value;
 229         __u8 vallsb;
 230
 231         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 232         reg_w_val(gspca_dev->dev, reg, 0x8801);
 233         reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
 234         while (retry--) {
 235                 reg_r(gspca_dev, 0x8803, 1);
 236                 if (!gspca_dev->usb_buf)
 237                         break;
 238         }
 239         if (retry == 0)
 240                 return -1;
 241         reg_r(gspca_dev, 0x8800, 1);
 242         value = gspca_dev->usb_buf[0];
 243         reg_r(gspca_dev, 0x8805, 1);
 244         vallsb = gspca_dev->usb_buf[0];
 245         return ((int) value << 8) | vallsb;
 246 }
 247
 248 static const __u16 spca561_init_data[][2] = {
 249         {0x0000, 0x8114},       /* Software GPIO output data */
 250         {0x0001, 0x8114},       /* Software GPIO output data */
 251         {0x0000, 0x8112},       /* Some kind of reset */
 252         {0x0003, 0x8701},       /* PCLK clock delay adjustment */
 253         {0x0001, 0x8703},       /* HSYNC from cmos inverted */
 254         {0x0011, 0x8118},       /* Enable and conf sensor */
 255         {0x0001, 0x8118},       /* Conf sensor */
 256         {0x0092, 0x8804},       /* I know nothing about these */
 257         {0x0010, 0x8802},       /* 0x88xx registers, so I won't */
 258         /***************/
 259         {0x000d, 0x8805},       /* sensor default setting */
 260         {0x0001, 0x8801},       /* 1 <- 0x0d */
 261         {0x0000, 0x8800},
 262         {0x0018, 0x8805},
 263         {0x0002, 0x8801},       /* 2 <- 0x18 */
 264         {0x0000, 0x8800},
 265         {0x0065, 0x8805},
 266         {0x0004, 0x8801},       /* 4 <- 0x01 0x65 */
 267         {0x0001, 0x8800},
 268         {0x0021, 0x8805},
 269         {0x0005, 0x8801},       /* 5 <- 0x21 */
 270         {0x0000, 0x8800},
 271         {0x00aa, 0x8805},
 272         {0x0007, 0x8801},       /* 7 <- 0xaa */
 273         {0x0000, 0x8800},
 274         {0x0004, 0x8805},
 275         {0x0020, 0x8801},       /* 0x20 <- 0x15 0x04 */
 276         {0x0015, 0x8800},
 277         {0x0002, 0x8805},
 278         {0x0039, 0x8801},       /* 0x39 <- 0x02 */
 279         {0x0000, 0x8800},
 280         {0x0010, 0x8805},
 281         {0x0035, 0x8801},       /* 0x35 <- 0x10 */
 282         {0x0000, 0x8800},
 283         {0x0049, 0x8805},
 284         {0x0009, 0x8801},       /* 0x09 <- 0x10 0x49 */
 285         {0x0010, 0x8800},
 286         {0x000b, 0x8805},
 287         {0x0028, 0x8801},       /* 0x28 <- 0x0b */
 288         {0x0000, 0x8800},
 289         {0x000f, 0x8805},
 290         {0x003b, 0x8801},       /* 0x3b <- 0x0f */
 291         {0x0000, 0x8800},
 292         {0x0000, 0x8805},
 293         {0x003c, 0x8801},       /* 0x3c <- 0x00 */
 294         {0x0000, 0x8800},
 295         /***************/
 296         {0x0018, 0x8601},       /* Pixel/line selection for color separation */
 297         {0x0000, 0x8602},       /* Optical black level for user setting */
 298         {0x0060, 0x8604},       /* Optical black horizontal offset */
 299         {0x0002, 0x8605},       /* Optical black vertical offset */
 300         {0x0000, 0x8603},       /* Non-automatic optical black level */
 301         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 302         {0x0000, 0x865f},       /* Vertical valid pixels window (x2) */
 303         {0x00b0, 0x865d},       /* Horizontal valid pixels window (x2) */
 304         {0x0090, 0x865e},       /* Vertical valid lines window (x2) */
 305         {0x00e0, 0x8406},       /* Memory buffer threshold */
 306         {0x0000, 0x8660},       /* Compensation memory stuff */
 307         {0x0002, 0x8201},       /* Output address for r/w serial EEPROM */
 308         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 309         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 310         {0x0007, 0x8201},       /* Output address for r/w serial EEPROM */
 311         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 312         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 313         {0x0010, 0x8660},       /* Compensation memory stuff */
 314         {0x0018, 0x8660},       /* Compensation memory stuff */
 315
 316         {0x0004, 0x8611},       /* R offset for white balance */
 317         {0x0004, 0x8612},       /* Gr offset for white balance */
 318         {0x0007, 0x8613},       /* B offset for white balance */
 319         {0x0000, 0x8614},       /* Gb offset for white balance */
 320         {0x008c, 0x8651},       /* R gain for white balance */
 321         {0x008c, 0x8652},       /* Gr gain for white balance */
 322         {0x00b5, 0x8653},       /* B gain for white balance */
 323         {0x008c, 0x8654},       /* Gb gain for white balance */
 324         {0x0002, 0x8502},       /* Maximum average bit rate stuff */
 325
 326         {0x0011, 0x8802},
 327         {0x0087, 0x8700},       /* Set master clock (96Mhz????) */
 328         {0x0081, 0x8702},       /* Master clock output enable */
 329
 330         {0x0000, 0x8500},       /* Set image type (352x288 no compression) */
 331         /* Originally was 0x0010 (352x288 compression) */
 332
 333         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 334         {0x0003, 0x865c},       /* Vertical offset for valid lines */
 335         /***************//* sensor active */
 336         {0x0003, 0x8801},       /* 0x03 <- 0x01 0x21 //289 */
 337         {0x0021, 0x8805},
 338         {0x0001, 0x8800},
 339         {0x0004, 0x8801},       /* 0x04 <- 0x01 0x65 //357 */
 340         {0x0065, 0x8805},
 341         {0x0001, 0x8800},
 342         {0x0005, 0x8801},       /* 0x05 <- 0x2f */
 343         {0x002f, 0x8805},
 344         {0x0000, 0x8800},
 345         {0x0006, 0x8801},       /* 0x06 <- 0 */
 346         {0x0000, 0x8805},
 347         {0x0000, 0x8800},
 348         {0x000a, 0x8801},       /* 0x0a <- 2 */
 349         {0x0002, 0x8805},
 350         {0x0000, 0x8800},
 351         {0x0009, 0x8801},       /* 0x09 <- 0x1061 */
 352         {0x0061, 0x8805},
 353         {0x0010, 0x8800},
 354         {0x0035, 0x8801},       /* 0x35 <-0x14 */
 355         {0x0014, 0x8805},
 356         {0x0000, 0x8800},
 357         {0x0030, 0x8112},       /* ISO and drop packet enable */
 358         {0x0000, 0x8112},       /* Some kind of reset ???? */
 359         {0x0009, 0x8118},       /* Enable sensor and set standby */
 360         {0x0000, 0x8114},       /* Software GPIO output data */
 361         {0x0000, 0x8114},       /* Software GPIO output data */
 362         {0x0001, 0x8114},       /* Software GPIO output data */
 363         {0x0000, 0x8112},       /* Some kind of reset ??? */
 364         {0x0003, 0x8701},
 365         {0x0001, 0x8703},
 366         {0x0011, 0x8118},
 367         {0x0001, 0x8118},
 368         /***************/
 369         {0x0092, 0x8804},
 370         {0x0010, 0x8802},
 371         {0x000d, 0x8805},
 372         {0x0001, 0x8801},
 373         {0x0000, 0x8800},
 374         {0x0018, 0x8805},
 375         {0x0002, 0x8801},
 376         {0x0000, 0x8800},
 377         {0x0065, 0x8805},
 378         {0x0004, 0x8801},
 379         {0x0001, 0x8800},
 380         {0x0021, 0x8805},
 381         {0x0005, 0x8801},
 382         {0x0000, 0x8800},
 383         {0x00aa, 0x8805},
 384         {0x0007, 0x8801},       /* mode 0xaa */
 385         {0x0000, 0x8800},
 386         {0x0004, 0x8805},
 387         {0x0020, 0x8801},
 388         {0x0015, 0x8800},       /* mode 0x0415 */
 389         {0x0002, 0x8805},
 390         {0x0039, 0x8801},
 391         {0x0000, 0x8800},
 392         {0x0010, 0x8805},
 393         {0x0035, 0x8801},
 394         {0x0000, 0x8800},
 395         {0x0049, 0x8805},
 396         {0x0009, 0x8801},
 397         {0x0010, 0x8800},
 398         {0x000b, 0x8805},
 399         {0x0028, 0x8801},
 400         {0x0000, 0x8800},
 401         {0x000f, 0x8805},
 402         {0x003b, 0x8801},
 403         {0x0000, 0x8800},
 404         {0x0000, 0x8805},
 405         {0x003c, 0x8801},
 406         {0x0000, 0x8800},
 407         {0x0002, 0x8502},
 408         {0x0039, 0x8801},
 409         {0x0000, 0x8805},
 410         {0x0000, 0x8800},
 411
 412         {0x0087, 0x8700},       /* overwrite by start */
 413         {0x0081, 0x8702},
 414         {0x0000, 0x8500},
 415 /*      {0x0010, 0x8500},  -- Previous line was this */
 416         {0x0002, 0x865b},
 417         {0x0003, 0x865c},
 418         /***************/
 419         {0x0003, 0x8801},       /* 0x121-> 289 */
 420         {0x0021, 0x8805},
 421         {0x0001, 0x8800},
 422         {0x0004, 0x8801},       /* 0x165 -> 357 */
 423         {0x0065, 0x8805},
 424         {0x0001, 0x8800},
 425         {0x0005, 0x8801},       /* 0x2f //blanking control colonne */
 426         {0x002f, 0x8805},
 427         {0x0000, 0x8800},
 428         {0x0006, 0x8801},       /* 0x00 //blanking mode row */
 429         {0x0000, 0x8805},
 430         {0x0000, 0x8800},
 431         {0x000a, 0x8801},       /* 0x01 //0x02 */
 432         {0x0001, 0x8805},
 433         {0x0000, 0x8800},
 434         {0x0009, 0x8801},       /* 0x1061 - setexposure times && pixel clock
 435                                  * 0001 0 | 000 0110 0001 */
 436         {0x0061, 0x8805},       /* 61 31 */
 437         {0x0008, 0x8800},       /* 08 */
 438         {0x0035, 0x8801},       /* 0x14 - set gain general */
 439         {0x001f, 0x8805},       /* 0x14 */
 440         {0x0000, 0x8800},
 441         {0x0030, 0x8112},
 442         {}
 443 };
 444
 445 static void sensor_reset(struct gspca_dev *gspca_dev)
 446 {
 447         reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
 448         reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
 449         reg_w_val(gspca_dev->dev, 0x8112, 0x00);
 450         reg_w_val(gspca_dev->dev, 0x8114, 0x00);
 451         reg_w_val(gspca_dev->dev, 0x8118, 0x21);
 452         i2c_init(gspca_dev, 0x14);
 453         i2c_write(gspca_dev, 1, 0x0d);
 454         i2c_write(gspca_dev, 0, 0x0d);
 455 }
 456
 457 /******************** QC Express etch2 stuff ********************/
 458 static const __u16 Pb100_1map8300[][2] = {
 459         /* reg, value */
 460         {0x8320, 0x3304},
 461
 462         {0x8303, 0x0125},       /* image area */
 463         {0x8304, 0x0169},
 464         {0x8328, 0x000b},
 465         {0x833c, 0x0001},
 466
 467         {0x832f, 0x0419},
 468         {0x8307, 0x00aa},
 469         {0x8301, 0x0003},
 470         {0x8302, 0x000e},
 471         {}
 472 };
 473 static const __u16 Pb100_2map8300[][2] = {
 474         /* reg, value */
 475         {0x8339, 0x0000},
 476         {0x8307, 0x00aa},
 477         {}
 478 };
 479
 480 static const __u16 spca561_161rev12A_data1[][2] = {
 481         {0x21, 0x8118},
 482         {0x01, 0x8114},
 483         {0x00, 0x8112},
 484         {0x92, 0x8804},
 485         {0x04, 0x8802},         /* windows uses 08 */
 486         {}
 487 };
 488 static const __u16 spca561_161rev12A_data2[][2] = {
 489         {0x21, 0x8118},
 490         {0x10, 0x8500},
 491         {0x07, 0x8601},
 492         {0x07, 0x8602},
 493         {0x04, 0x8501},
 494         {0x21, 0x8118},
 495
 496         {0x07, 0x8201},         /* windows uses 02 */
 497         {0x08, 0x8200},
 498         {0x01, 0x8200},
 499
 500         {0x00, 0x8114},
 501         {0x01, 0x8114},         /* windows uses 00 */
 502
 503         {0x90, 0x8604},
 504         {0x00, 0x8605},
 505         {0xb0, 0x8603},
 506
 507         /* sensor gains */
 508         {0x00, 0x8610},         /* *red */
 509         {0x00, 0x8611},         /* 3f   *green */
 510         {0x00, 0x8612},         /* green *blue */
 511         {0x00, 0x8613},         /* blue *green */
 512         {0x35, 0x8614},         /* green *red */
 513         {0x35, 0x8615},         /* 40   *green */
 514         {0x35, 0x8616},         /* 7a   *blue */
 515         {0x35, 0x8617},         /* 40   *green */
 516
 517         {0x0c, 0x8620},         /* 0c */
 518         {0xc8, 0x8631},         /* c8 */
 519         {0xc8, 0x8634},         /* c8 */
 520         {0x23, 0x8635},         /* 23 */
 521         {0x1f, 0x8636},         /* 1f */
 522         {0xdd, 0x8637},         /* dd */
 523         {0xe1, 0x8638},         /* e1 */
 524         {0x1d, 0x8639},         /* 1d */
 525         {0x21, 0x863a},         /* 21 */
 526         {0xe3, 0x863b},         /* e3 */
 527         {0xdf, 0x863c},         /* df */
 528         {0xf0, 0x8505},
 529         {0x32, 0x850a},
 530         {}
 531 };
 532
 533 static void sensor_mapwrite(struct gspca_dev *gspca_dev,
 534                             const __u16 sensormap[][2])
 535 {
 536         int i = 0;
 537         __u8 usbval[2];
 538
 539         while (sensormap[i][0]) {
 540                 usbval[0] = sensormap[i][1];
 541                 usbval[1] = sensormap[i][1] >> 8;
 542                 reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
 543                 i++;
 544         }
 545 }
 546 static void init_161rev12A(struct gspca_dev *gspca_dev)
 547 {
 548         sensor_reset(gspca_dev);
 549         write_vector(gspca_dev, spca561_161rev12A_data1);
 550         sensor_mapwrite(gspca_dev, Pb100_1map8300);
 551         write_vector(gspca_dev, spca561_161rev12A_data2);
 552         sensor_mapwrite(gspca_dev, Pb100_2map8300);
 553 }
 554
 555 /* this function is called at probe time */
 556 static int sd_config(struct gspca_dev *gspca_dev,
 557                      const struct usb_device_id *id)
 558 {
 559         struct sd *sd = (struct sd *) gspca_dev;
 560         struct cam *cam;
 561         __u16 vendor, product;
 562         __u8 data1, data2;
 563
 564         /* Read frm global register the USB product and vendor IDs, just to
 565          * prove that we can communicate with the device.  This works, which
 566          * confirms at we are communicating properly and that the device
 567          * is a 561. */
 568         reg_r(gspca_dev, 0x8104, 1);
 569         data1 = gspca_dev->usb_buf[0];
 570         reg_r(gspca_dev, 0x8105, 1);
 571         data2 = gspca_dev->usb_buf[0];
 572         vendor = (data2 << 8) | data1;
 573         reg_r(gspca_dev, 0x8106, 1);
 574         data1 = gspca_dev->usb_buf[0];
 575         reg_r(gspca_dev, 0x8107, 1);
 576         data2 = gspca_dev->usb_buf[0];
 577         product = (data2 << 8) | data1;
 578         if (vendor != id->idVendor || product != id->idProduct) {
 579                 PDEBUG(D_PROBE, "Bad vendor / product from device");
 580                 return -EINVAL;
 581         }
 582
 583         cam = &gspca_dev->cam;
 584         cam->dev_name = (char *) id->driver_info;
 585         cam->epaddr = 0x01;
 586         gspca_dev->nbalt = 7 + 1;       /* choose alternate 7 first */
 587         cam->cam_mode = sif_mode;
 588         cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
 589
 590         sd->chip_revision = id->driver_info;
 591         sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
 592         sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
 593         sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
 594         return 0;
 595 }
 596
 597 /* this function is called at open time */
 598 static int sd_open(struct gspca_dev *gspca_dev)
 599 {
 600         struct sd *sd = (struct sd *) gspca_dev;
 601
 602         switch (sd->chip_revision) {
 603         case Rev072A:
 604                 PDEBUG(D_STREAM, "Chip revision id: 072a");
 605                 write_vector(gspca_dev, spca561_init_data);
 606                 break;
 607         default:
 608 /*      case Rev012A: */
 609                 PDEBUG(D_STREAM, "Chip revision id: 012a");
 610                 init_161rev12A(gspca_dev);
 611                 break;
 612         }
 613         return 0;
 614 }
 615
 616 static void setcontrast(struct gspca_dev *gspca_dev)
 617 {
 618         struct sd *sd = (struct sd *) gspca_dev;
 619         struct usb_device *dev = gspca_dev->dev;
 620         __u8 lowb;
 621         int expotimes;
 622
 623         switch (sd->chip_revision) {
 624         case Rev072A:
 625                 lowb = sd->contrast >> 8;
 626                 reg_w_val(dev, lowb, 0x8651);
 627                 reg_w_val(dev, lowb, 0x8652);
 628                 reg_w_val(dev, lowb, 0x8653);
 629                 reg_w_val(dev, lowb, 0x8654);
 630                 break;
 631         case Rev012A: {
 632                 __u8 Reg8391[] =
 633                         { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };
 634
 635                 /* Write camera sensor settings */
 636                 expotimes = (sd->contrast >> 5) & 0x07ff;
 637                 Reg8391[0] = expotimes & 0xff;  /* exposure */
 638                 Reg8391[1] = 0x18 | (expotimes >> 8);
 639                 Reg8391[2] = sd->brightness;    /* gain */
 640                 reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
 641                 reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
 642                 break;
 643             }
 644         }
 645 }
 646
 647 static void setautogain(struct gspca_dev *gspca_dev)
 648 {
 649         struct sd *sd = (struct sd *) gspca_dev;
 650
 651         if (sd->chip_revision == Rev072A) {
 652                 if (sd->autogain)
 653                         sd->ag_cnt = AG_CNT_START;
 654                 else
 655                         sd->ag_cnt = -1;
 656         }
 657 }
 658
 659 static void sd_start(struct gspca_dev *gspca_dev)
 660 {
 661         struct sd *sd = (struct sd *) gspca_dev;
 662         struct usb_device *dev = gspca_dev->dev;
 663         int Clck;
 664         __u8 Reg8307[] = { 0xaa, 0x00 };
 665         int mode;
 666
 667         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 668         switch (sd->chip_revision) {
 669         case Rev072A:
 670                 switch (mode) {
 671                 default:
 672 /*              case 0:
 673                 case 1: */
 674                         Clck = 0x25;
 675                         break;
 676                 case 2:
 677                         Clck = 0x22;
 678                         break;
 679                 case 3:
 680                         Clck = 0x21;
 681                         break;
 682                 }
 683                 reg_w_val(dev, 0x8500, mode);   /* mode */
 684                 reg_w_val(dev, 0x8700, Clck);   /* 0x27 clock */
 685                 reg_w_val(dev, 0x8112, 0x10 | 0x20);
 686                 setautogain(gspca_dev);
 687                 break;
 688         default:
 689 /*      case Rev012A: */
 690                 switch (mode) {
 691                 case 0:
 692                 case 1:
 693                         Clck = 0x8a;
 694                         break;
 695                 case 2:
 696                         Clck = 0x85;
 697                         break;
 698                 default:
 699                         Clck = 0x83;
 700                         break;
 701                 }
 702                 if (mode <= 1) {
 703                         /* Use compression on 320x240 and above */
 704                         reg_w_val(dev, 0x8500, 0x10 | mode);
 705                 } else {
 706                         /* I couldn't get the compression to work below 320x240
 707                          * Fortunately at these resolutions the bandwidth
 708                          * is sufficient to push raw frames at ~20fps */
 709                         reg_w_val(dev, 0x8500, mode);
 710                 }               /* -- qq@kuku.eu.org */
 711                 reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
 712                 reg_w_val(gspca_dev->dev, 0x8700, Clck);
 713                                                 /* 0x8f 0x85 0x27 clock */
 714                 reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
 715                 reg_w_val(gspca_dev->dev, 0x850b, 0x03);
 716                 setcontrast(gspca_dev);
 717                 break;
 718         }
 719 }
 720
 721 static void sd_stopN(struct gspca_dev *gspca_dev)
 722 {
 723         reg_w_val(gspca_dev->dev, 0x8112, 0x20);
 724 }
 725
 726 static void sd_stop0(struct gspca_dev *gspca_dev)
 727 {
 728 }
 729
 730 /* this function is called at close time */
 731 static void sd_close(struct gspca_dev *gspca_dev)
 732 {
 733         reg_w_val(gspca_dev->dev, 0x8114, 0);
 734 }
 735
 736 static void do_autogain(struct gspca_dev *gspca_dev)
 737 {
 738         struct sd *sd = (struct sd *) gspca_dev;
 739         int expotimes;
 740         int pixelclk;
 741         int gainG;
 742         __u8 R, Gr, Gb, B;
 743         int y;
 744         __u8 luma_mean = 110;
 745         __u8 luma_delta = 20;
 746         __u8 spring = 4;
 747
 748         if (sd->ag_cnt < 0)
 749                 return;
 750         if (--sd->ag_cnt >= 0)
 751                 return;
 752         sd->ag_cnt = AG_CNT_START;
 753
 754         switch (sd->chip_revision) {
 755         case Rev072A:
 756                 reg_r(gspca_dev, 0x8621, 1);
 757                 Gr = gspca_dev->usb_buf[0];
 758                 reg_r(gspca_dev, 0x8622, 1);
 759                 R = gspca_dev->usb_buf[0];
 760                 reg_r(gspca_dev, 0x8623, 1);
 761                 B = gspca_dev->usb_buf[0];
 762                 reg_r(gspca_dev, 0x8624, 1);
 763                 Gb = gspca_dev->usb_buf[0];
 764                 y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
 765                 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
 766                 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
 767                 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
 768
 769                 if (y < luma_mean - luma_delta ||
 770                     y > luma_mean + luma_delta) {
 771                         expotimes = i2c_read(gspca_dev, 0x09, 0x10);
 772                         pixelclk = 0x0800;
 773                         expotimes = expotimes & 0x07ff;
 774                         /* PDEBUG(D_PACK,
 775                                 "Exposition Times 0x%03X Clock 0x%04X ",
 776                                 expotimes,pixelclk); */
 777                         gainG = i2c_read(gspca_dev, 0x35, 0x10);
 778                         /* PDEBUG(D_PACK,
 779                                 "reading Gain register %d", gainG); */
 780
 781                         expotimes += (luma_mean - y) >> spring;
 782                         gainG += (luma_mean - y) / 50;
 783                         /* PDEBUG(D_PACK,
 784                                 "compute expotimes %d gain %d",
 785                                 expotimes,gainG); */
 786
 787                         if (gainG > 0x3f)
 788                                 gainG = 0x3f;
 789                         else if (gainG < 4)
 790                                 gainG = 3;
 791                         i2c_write(gspca_dev, gainG, 0x35);
 792
 793                         if (expotimes >= 0x0256)
 794                                 expotimes = 0x0256;
 795                         else if (expotimes < 4)
 796                                 expotimes = 3;
 797                         i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
 798                 }
 799                 break;
 800         case Rev012A:
 801                 /* sensor registers is access and memory mapped to 0x8300 */
 802                 /* readind all 0x83xx block the sensor */
 803                 /*
 804                  * The data from the header seem wrong where is the luma
 805                  * and chroma mean value
 806                  * at the moment set exposure in contrast set
 807                  */
 808                 break;
 809         }
 810 }
 811
 812 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 813                         struct gspca_frame *frame, /* target */
 814                         __u8 *data,             /* isoc packet */
 815                         int len)                /* iso packet length */
 816 {
 817         switch (data[0]) {
 818         case 0:         /* start of frame */
 819                 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 820                                         data, 0);
 821                 data += SPCA561_OFFSET_DATA;
 822                 len -= SPCA561_OFFSET_DATA;
 823                 if (data[1] & 0x10) {
 824                         /* compressed bayer */
 825                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 826                                         frame, data, len);
 827                 } else {
 828                         /* raw bayer (with a header, which we skip) */
 829                         data += 20;
 830                         len -= 20;
 831                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 832                                                 frame, data, len);
 833                 }
 834                 return;
 835         case 0xff:              /* drop */
 836 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 837                 return;
 838         }
 839         data++;
 840         len--;
 841         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 842 }
 843
 844 static void setbrightness(struct gspca_dev *gspca_dev)
 845 {
 846         struct sd *sd = (struct sd *) gspca_dev;
 847         __u8 value;
 848
 849         switch (sd->chip_revision) {
 850         case Rev072A:
 851                 value = sd->brightness;
 852                 reg_w_val(gspca_dev->dev, value, 0x8611);
 853                 reg_w_val(gspca_dev->dev, value, 0x8612);
 854                 reg_w_val(gspca_dev->dev, value, 0x8613);
 855                 reg_w_val(gspca_dev->dev, value, 0x8614);
 856                 break;
 857         default:
 858 /*      case Rev012A: */
 859                 setcontrast(gspca_dev);
 860                 break;
 861         }
 862 }
 863
 864 static void getbrightness(struct gspca_dev *gspca_dev)
 865 {
 866         struct sd *sd = (struct sd *) gspca_dev;
 867         __u16 tot;
 868
 869         switch (sd->chip_revision) {
 870         case Rev072A:
 871                 tot = 0;
 872                 reg_r(gspca_dev, 0x8611, 1);
 873                 tot += gspca_dev->usb_buf[0];
 874                 reg_r(gspca_dev, 0x8612, 1);
 875                 tot += gspca_dev->usb_buf[0];
 876                 reg_r(gspca_dev, 0x8613, 1);
 877                 tot += gspca_dev->usb_buf[0];
 878                 reg_r(gspca_dev, 0x8614, 1);
 879                 tot += gspca_dev->usb_buf[0];
 880                 sd->brightness = tot >> 2;
 881                 break;
 882         default:
 883 /*      case Rev012A: */
 884                 /* no way to read sensor settings */
 885                 break;
 886         }
 887 }
 888
 889 static void getcontrast(struct gspca_dev *gspca_dev)
 890 {
 891         struct sd *sd = (struct sd *) gspca_dev;
 892         __u16 tot;
 893
 894         switch (sd->chip_revision) {
 895         case Rev072A:
 896                 tot = 0;
 897                 reg_r(gspca_dev, 0x8651, 1);
 898                 tot += gspca_dev->usb_buf[0];
 899                 reg_r(gspca_dev, 0x8652, 1);
 900                 tot += gspca_dev->usb_buf[0];
 901                 reg_r(gspca_dev, 0x8653, 1);
 902                 tot += gspca_dev->usb_buf[0];
 903                 reg_r(gspca_dev, 0x8654, 1);
 904                 tot += gspca_dev->usb_buf[0];
 905                 sd->contrast = tot << 6;
 906                 break;
 907         default:
 908 /*      case Rev012A: */
 909                 /* no way to read sensor settings */
 910                 break;
 911         }
 912         PDEBUG(D_CONF, "get contrast %d", sd->contrast);
 913 }
 914
 915 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 916 {
 917         struct sd *sd = (struct sd *) gspca_dev;
 918
 919         sd->brightness = val;
 920         if (gspca_dev->streaming)
 921                 setbrightness(gspca_dev);
 922         return 0;
 923 }
 924
 925 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 926 {
 927         struct sd *sd = (struct sd *) gspca_dev;
 928
 929         getbrightness(gspca_dev);
 930         *val = sd->brightness;
 931         return 0;
 932 }
 933
 934 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
 935 {
 936         struct sd *sd = (struct sd *) gspca_dev;
 937
 938         sd->contrast = val;
 939         if (gspca_dev->streaming)
 940                 setcontrast(gspca_dev);
 941         return 0;
 942 }
 943
 944 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 945 {
 946         struct sd *sd = (struct sd *) gspca_dev;
 947
 948         getcontrast(gspca_dev);
 949         *val = sd->contrast;
 950         return 0;
 951 }
 952
 953 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
 954 {
 955         struct sd *sd = (struct sd *) gspca_dev;
 956
 957         sd->autogain = val;
 958         if (gspca_dev->streaming)
 959                 setautogain(gspca_dev);
 960         return 0;
 961 }
 962
 963 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
 964 {
 965         struct sd *sd = (struct sd *) gspca_dev;
 966
 967         *val = sd->autogain;
 968         return 0;
 969 }
 970
 971 /* sub-driver description */
 972 static const struct sd_desc sd_desc = {
 973         .name = MODULE_NAME,
 974         .ctrls = sd_ctrls,
 975         .nctrls = ARRAY_SIZE(sd_ctrls),
 976         .config = sd_config,
 977         .open = sd_open,
 978         .start = sd_start,
 979         .stopN = sd_stopN,
 980         .stop0 = sd_stop0,
 981         .close = sd_close,
 982         .pkt_scan = sd_pkt_scan,
 983         .dq_callback = do_autogain,
 984 };
 985
 986 /* -- module initialisation -- */
 987 static const __devinitdata struct usb_device_id device_table[] = {
 988         {USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
 989         {USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
 990         {USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
 991         {USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
 992         {USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
 993         {USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
 994         {USB_DEVICE(0x046d, 0x092b), .driver_info = Rev012A},
 995         {USB_DEVICE(0x046d, 0x092c), .driver_info = Rev012A},
 996         {USB_DEVICE(0x046d, 0x092d), .driver_info = Rev012A},
 997         {USB_DEVICE(0x046d, 0x092e), .driver_info = Rev012A},
 998         {USB_DEVICE(0x046d, 0x092f), .driver_info = Rev012A},
 999         {USB_DEVICE(0x04fc, 0x0561), .driver_info = Rev072A},
1000         {USB_DEVICE(0x060b, 0xa001), .driver_info = Rev072A},
1001         {USB_DEVICE(0x10fd, 0x7e50), .driver_info = Rev072A},
1002         {USB_DEVICE(0xabcd, 0xcdee), .driver_info = Rev072A},
1003         {}
1004 };
1005
1006 MODULE_DEVICE_TABLE(usb, device_table);
1007
1008 /* -- device connect -- */
1009 static int sd_probe(struct usb_interface *intf,
1010                     const struct usb_device_id *id)
1011 {
1012         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1013                                THIS_MODULE);
1014 }
1015
1016 static struct usb_driver sd_driver = {
1017         .name = MODULE_NAME,
1018         .id_table = device_table,
1019         .probe = sd_probe,
1020         .disconnect = gspca_disconnect,
1021 };
1022
1023 /* -- module insert / remove -- */
1024 static int __init sd_mod_init(void)
1025 {
1026         if (usb_register(&sd_driver) < 0)
1027                 return -1;
1028         PDEBUG(D_PROBE, "registered");
1029         return 0;
1030 }
1031 static void __exit sd_mod_exit(void)
1032 {
1033         usb_deregister(&sd_driver);
1034         PDEBUG(D_PROBE, "deregistered");
1035 }
1036
1037 module_init(sd_mod_init);
1038 module_exit(sd_mod_exit);