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 #define DRIVER_VERSION_NUMBER   KERNEL_VERSION(2, 1, 7)
  28 static const char version[] = "2.1.7";
  29
  30 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  31 MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
  32 MODULE_LICENSE("GPL");
  33
  34 /* specific webcam descriptor */
  35 struct sd {
  36         struct gspca_dev gspca_dev;     /* !! must be the first item */
  37
  38         unsigned short contrast;
  39         __u8 brightness;
  40         __u8 autogain;
  41
  42         __u8 chip_revision;
  43         signed char ag_cnt;
  44 #define AG_CNT_START 13
  45 };
  46
  47 /* V4L2 controls supported by the driver */
  48 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
  49 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
  50 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
  51 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
  52 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
  53 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
  54
  55 static struct ctrl sd_ctrls[] = {
  56 #define SD_BRIGHTNESS 0
  57         {
  58          {
  59           .id = V4L2_CID_BRIGHTNESS,
  60           .type = V4L2_CTRL_TYPE_INTEGER,
  61           .name = "Brightness",
  62           .minimum = 0,
  63           .maximum = 63,
  64           .step = 1,
  65           .default_value = 32,
  66           },
  67          .set = sd_setbrightness,
  68          .get = sd_getbrightness,
  69          },
  70 #define SD_CONTRAST 1
  71         {
  72          {
  73           .id = V4L2_CID_CONTRAST,
  74           .type = V4L2_CTRL_TYPE_INTEGER,
  75           .name = "Contrast",
  76           .minimum = 0,
  77           .maximum = 0x3fff,
  78           .step = 1,
  79           .default_value = 0x2000,
  80           },
  81          .set = sd_setcontrast,
  82          .get = sd_getcontrast,
  83          },
  84 #define SD_AUTOGAIN 2
  85         {
  86          {
  87           .id = V4L2_CID_AUTOGAIN,
  88           .type = V4L2_CTRL_TYPE_BOOLEAN,
  89           .name = "Auto Gain",
  90           .minimum = 0,
  91           .maximum = 1,
  92           .step = 1,
  93           .default_value = 1,
  94           },
  95          .set = sd_setautogain,
  96          .get = sd_getautogain,
  97          },
  98 };
  99
 100 static struct v4l2_pix_format sif_mode[] = {
 101         {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 102                 .bytesperline = 160,
 103                 .sizeimage = 160 * 120,
 104                 .colorspace = V4L2_COLORSPACE_SRGB,
 105                 .priv = 3},
 106         {176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 107                 .bytesperline = 176,
 108                 .sizeimage = 176 * 144,
 109                 .colorspace = V4L2_COLORSPACE_SRGB,
 110                 .priv = 2},
 111         {320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
 112                 .bytesperline = 320,
 113                 .sizeimage = 320 * 240 * 4 / 8,
 114                 .colorspace = V4L2_COLORSPACE_SRGB,
 115                 .priv = 1},
 116         {352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
 117                 .bytesperline = 352,
 118                 .sizeimage = 352 * 288 * 4 / 8,
 119                 .colorspace = V4L2_COLORSPACE_SRGB,
 120                 .priv = 0},
 121 };
 122
 123 /*
 124  * Initialization data
 125  * I'm not very sure how to split initialization from open data
 126  * chunks. For now, we'll consider everything as initialization
 127  */
 128 /* Frame packet header offsets for the spca561 */
 129 #define SPCA561_OFFSET_SNAP 1
 130 #define SPCA561_OFFSET_TYPE 2
 131 #define SPCA561_OFFSET_COMPRESS 3
 132 #define SPCA561_OFFSET_FRAMSEQ   4
 133 #define SPCA561_OFFSET_GPIO 5
 134 #define SPCA561_OFFSET_USBBUFF 6
 135 #define SPCA561_OFFSET_WIN2GRAVE 7
 136 #define SPCA561_OFFSET_WIN2RAVE 8
 137 #define SPCA561_OFFSET_WIN2BAVE 9
 138 #define SPCA561_OFFSET_WIN2GBAVE 10
 139 #define SPCA561_OFFSET_WIN1GRAVE 11
 140 #define SPCA561_OFFSET_WIN1RAVE 12
 141 #define SPCA561_OFFSET_WIN1BAVE 13
 142 #define SPCA561_OFFSET_WIN1GBAVE 14
 143 #define SPCA561_OFFSET_FREQ 15
 144 #define SPCA561_OFFSET_VSYNC 16
 145 #define SPCA561_OFFSET_DATA 1
 146 #define SPCA561_INDEX_I2C_BASE 0x8800
 147 #define SPCA561_SNAPBIT 0x20
 148 #define SPCA561_SNAPCTRL 0x40
 149 enum {
 150         Rev072A = 0,
 151         Rev012A,
 152 };
 153
 154 static void reg_w_val(struct usb_device *dev, __u16 index, __u16 value)
 155 {
 156         int ret;
 157
 158         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 159                               0,                /* request */
 160                               USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 161                               value, index, NULL, 0, 500);
 162         PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
 163         if (ret < 0)
 164                 PDEBUG(D_ERR, "reg write: error %d", ret);
 165 }
 166
 167 static void write_vector(struct gspca_dev *gspca_dev,
 168                         const __u16 data[][2])
 169 {
 170         struct usb_device *dev = gspca_dev->dev;
 171         int i;
 172
 173         i = 0;
 174         while (data[i][1] != 0) {
 175                 reg_w_val(dev, data[i][1], data[i][0]);
 176                 i++;
 177         }
 178 }
 179
 180 /* read 'len' bytes to gspca_dev->usb_buf */
 181 static void reg_r(struct gspca_dev *gspca_dev,
 182                   __u16 index, __u16 length)
 183 {
 184         usb_control_msg(gspca_dev->dev,
 185                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 186                         0,                      /* request */
 187                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 188                         0,                      /* value */
 189                         index, gspca_dev->usb_buf, length, 500);
 190 }
 191
 192 static void reg_w_buf(struct gspca_dev *gspca_dev,
 193                       __u16 index, const __u8 *buffer, __u16 len)
 194 {
 195         memcpy(gspca_dev->usb_buf, buffer, len);
 196         usb_control_msg(gspca_dev->dev,
 197                         usb_sndctrlpipe(gspca_dev->dev, 0),
 198                         0,                      /* request */
 199                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 200                         0,                      /* value */
 201                         index, gspca_dev->usb_buf, len, 500);
 202 }
 203
 204 static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
 205 {
 206         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 207         reg_w_val(gspca_dev->dev, mode, 0x8802);
 208 }
 209
 210 static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
 211 {
 212         int retry = 60;
 213         __u8 DataLow;
 214         __u8 DataHight;
 215
 216         DataLow = valeur;
 217         DataHight = valeur >> 8;
 218         reg_w_val(gspca_dev->dev, reg, 0x8801);
 219         reg_w_val(gspca_dev->dev, DataLow, 0x8805);
 220         reg_w_val(gspca_dev->dev, DataHight, 0x8800);
 221         while (retry--) {
 222                 reg_r(gspca_dev, 0x8803, 1);
 223                 if (!gspca_dev->usb_buf[0])
 224                         break;
 225         }
 226 }
 227
 228 static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
 229 {
 230         int retry = 60;
 231         __u8 value;
 232         __u8 vallsb;
 233
 234         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 235         reg_w_val(gspca_dev->dev, reg, 0x8801);
 236         reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
 237         while (retry--) {
 238                 reg_r(gspca_dev, 0x8803, 1);
 239                 if (!gspca_dev->usb_buf)
 240                         break;
 241         }
 242         if (retry == 0)
 243                 return -1;
 244         reg_r(gspca_dev, 0x8800, 1);
 245         value = gspca_dev->usb_buf[0];
 246         reg_r(gspca_dev, 0x8805, 1);
 247         vallsb = gspca_dev->usb_buf[0];
 248         return ((int) value << 8) | vallsb;
 249 }
 250
 251 static const __u16 spca561_init_data[][2] = {
 252         {0x0000, 0x8114},       /* Software GPIO output data */
 253         {0x0001, 0x8114},       /* Software GPIO output data */
 254         {0x0000, 0x8112},       /* Some kind of reset */
 255         {0x0003, 0x8701},       /* PCLK clock delay adjustment */
 256         {0x0001, 0x8703},       /* HSYNC from cmos inverted */
 257         {0x0011, 0x8118},       /* Enable and conf sensor */
 258         {0x0001, 0x8118},       /* Conf sensor */
 259         {0x0092, 0x8804},       /* I know nothing about these */
 260         {0x0010, 0x8802},       /* 0x88xx registers, so I won't */
 261         /***************/
 262         {0x000d, 0x8805},       /* sensor default setting */
 263         {0x0001, 0x8801},       /* 1 <- 0x0d */
 264         {0x0000, 0x8800},
 265         {0x0018, 0x8805},
 266         {0x0002, 0x8801},       /* 2 <- 0x18 */
 267         {0x0000, 0x8800},
 268         {0x0065, 0x8805},
 269         {0x0004, 0x8801},       /* 4 <- 0x01 0x65 */
 270         {0x0001, 0x8800},
 271         {0x0021, 0x8805},
 272         {0x0005, 0x8801},       /* 5 <- 0x21 */
 273         {0x0000, 0x8800},
 274         {0x00aa, 0x8805},
 275         {0x0007, 0x8801},       /* 7 <- 0xaa */
 276         {0x0000, 0x8800},
 277         {0x0004, 0x8805},
 278         {0x0020, 0x8801},       /* 0x20 <- 0x15 0x04 */
 279         {0x0015, 0x8800},
 280         {0x0002, 0x8805},
 281         {0x0039, 0x8801},       /* 0x39 <- 0x02 */
 282         {0x0000, 0x8800},
 283         {0x0010, 0x8805},
 284         {0x0035, 0x8801},       /* 0x35 <- 0x10 */
 285         {0x0000, 0x8800},
 286         {0x0049, 0x8805},
 287         {0x0009, 0x8801},       /* 0x09 <- 0x10 0x49 */
 288         {0x0010, 0x8800},
 289         {0x000b, 0x8805},
 290         {0x0028, 0x8801},       /* 0x28 <- 0x0b */
 291         {0x0000, 0x8800},
 292         {0x000f, 0x8805},
 293         {0x003b, 0x8801},       /* 0x3b <- 0x0f */
 294         {0x0000, 0x8800},
 295         {0x0000, 0x8805},
 296         {0x003c, 0x8801},       /* 0x3c <- 0x00 */
 297         {0x0000, 0x8800},
 298         /***************/
 299         {0x0018, 0x8601},       /* Pixel/line selection for color separation */
 300         {0x0000, 0x8602},       /* Optical black level for user setting */
 301         {0x0060, 0x8604},       /* Optical black horizontal offset */
 302         {0x0002, 0x8605},       /* Optical black vertical offset */
 303         {0x0000, 0x8603},       /* Non-automatic optical black level */
 304         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 305         {0x0000, 0x865f},       /* Vertical valid pixels window (x2) */
 306         {0x00b0, 0x865d},       /* Horizontal valid pixels window (x2) */
 307         {0x0090, 0x865e},       /* Vertical valid lines window (x2) */
 308         {0x00e0, 0x8406},       /* Memory buffer threshold */
 309         {0x0000, 0x8660},       /* Compensation memory stuff */
 310         {0x0002, 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         {0x0007, 0x8201},       /* Output address for r/w serial EEPROM */
 314         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 315         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 316         {0x0010, 0x8660},       /* Compensation memory stuff */
 317         {0x0018, 0x8660},       /* Compensation memory stuff */
 318
 319         {0x0004, 0x8611},       /* R offset for white balance */
 320         {0x0004, 0x8612},       /* Gr offset for white balance */
 321         {0x0007, 0x8613},       /* B offset for white balance */
 322         {0x0000, 0x8614},       /* Gb offset for white balance */
 323         {0x008c, 0x8651},       /* R gain for white balance */
 324         {0x008c, 0x8652},       /* Gr gain for white balance */
 325         {0x00b5, 0x8653},       /* B gain for white balance */
 326         {0x008c, 0x8654},       /* Gb gain for white balance */
 327         {0x0002, 0x8502},       /* Maximum average bit rate stuff */
 328
 329         {0x0011, 0x8802},
 330         {0x0087, 0x8700},       /* Set master clock (96Mhz????) */
 331         {0x0081, 0x8702},       /* Master clock output enable */
 332
 333         {0x0000, 0x8500},       /* Set image type (352x288 no compression) */
 334         /* Originally was 0x0010 (352x288 compression) */
 335
 336         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 337         {0x0003, 0x865c},       /* Vertical offset for valid lines */
 338         /***************//* sensor active */
 339         {0x0003, 0x8801},       /* 0x03 <- 0x01 0x21 //289 */
 340         {0x0021, 0x8805},
 341         {0x0001, 0x8800},
 342         {0x0004, 0x8801},       /* 0x04 <- 0x01 0x65 //357 */
 343         {0x0065, 0x8805},
 344         {0x0001, 0x8800},
 345         {0x0005, 0x8801},       /* 0x05 <- 0x2f */
 346         {0x002f, 0x8805},
 347         {0x0000, 0x8800},
 348         {0x0006, 0x8801},       /* 0x06 <- 0 */
 349         {0x0000, 0x8805},
 350         {0x0000, 0x8800},
 351         {0x000a, 0x8801},       /* 0x0a <- 2 */
 352         {0x0002, 0x8805},
 353         {0x0000, 0x8800},
 354         {0x0009, 0x8801},       /* 0x09 <- 0x1061 */
 355         {0x0061, 0x8805},
 356         {0x0010, 0x8800},
 357         {0x0035, 0x8801},       /* 0x35 <-0x14 */
 358         {0x0014, 0x8805},
 359         {0x0000, 0x8800},
 360         {0x0030, 0x8112},       /* ISO and drop packet enable */
 361         {0x0000, 0x8112},       /* Some kind of reset ???? */
 362         {0x0009, 0x8118},       /* Enable sensor and set standby */
 363         {0x0000, 0x8114},       /* Software GPIO output data */
 364         {0x0000, 0x8114},       /* Software GPIO output data */
 365         {0x0001, 0x8114},       /* Software GPIO output data */
 366         {0x0000, 0x8112},       /* Some kind of reset ??? */
 367         {0x0003, 0x8701},
 368         {0x0001, 0x8703},
 369         {0x0011, 0x8118},
 370         {0x0001, 0x8118},
 371         /***************/
 372         {0x0092, 0x8804},
 373         {0x0010, 0x8802},
 374         {0x000d, 0x8805},
 375         {0x0001, 0x8801},
 376         {0x0000, 0x8800},
 377         {0x0018, 0x8805},
 378         {0x0002, 0x8801},
 379         {0x0000, 0x8800},
 380         {0x0065, 0x8805},
 381         {0x0004, 0x8801},
 382         {0x0001, 0x8800},
 383         {0x0021, 0x8805},
 384         {0x0005, 0x8801},
 385         {0x0000, 0x8800},
 386         {0x00aa, 0x8805},
 387         {0x0007, 0x8801},       /* mode 0xaa */
 388         {0x0000, 0x8800},
 389         {0x0004, 0x8805},
 390         {0x0020, 0x8801},
 391         {0x0015, 0x8800},       /* mode 0x0415 */
 392         {0x0002, 0x8805},
 393         {0x0039, 0x8801},
 394         {0x0000, 0x8800},
 395         {0x0010, 0x8805},
 396         {0x0035, 0x8801},
 397         {0x0000, 0x8800},
 398         {0x0049, 0x8805},
 399         {0x0009, 0x8801},
 400         {0x0010, 0x8800},
 401         {0x000b, 0x8805},
 402         {0x0028, 0x8801},
 403         {0x0000, 0x8800},
 404         {0x000f, 0x8805},
 405         {0x003b, 0x8801},
 406         {0x0000, 0x8800},
 407         {0x0000, 0x8805},
 408         {0x003c, 0x8801},
 409         {0x0000, 0x8800},
 410         {0x0002, 0x8502},
 411         {0x0039, 0x8801},
 412         {0x0000, 0x8805},
 413         {0x0000, 0x8800},
 414
 415         {0x0087, 0x8700},       /* overwrite by start */
 416         {0x0081, 0x8702},
 417         {0x0000, 0x8500},
 418 /*      {0x0010, 0x8500},  -- Previous line was this */
 419         {0x0002, 0x865b},
 420         {0x0003, 0x865c},
 421         /***************/
 422         {0x0003, 0x8801},       /* 0x121-> 289 */
 423         {0x0021, 0x8805},
 424         {0x0001, 0x8800},
 425         {0x0004, 0x8801},       /* 0x165 -> 357 */
 426         {0x0065, 0x8805},
 427         {0x0001, 0x8800},
 428         {0x0005, 0x8801},       /* 0x2f //blanking control colonne */
 429         {0x002f, 0x8805},
 430         {0x0000, 0x8800},
 431         {0x0006, 0x8801},       /* 0x00 //blanking mode row */
 432         {0x0000, 0x8805},
 433         {0x0000, 0x8800},
 434         {0x000a, 0x8801},       /* 0x01 //0x02 */
 435         {0x0001, 0x8805},
 436         {0x0000, 0x8800},
 437         {0x0009, 0x8801},       /* 0x1061 - setexposure times && pixel clock
 438                                  * 0001 0 | 000 0110 0001 */
 439         {0x0061, 0x8805},       /* 61 31 */
 440         {0x0008, 0x8800},       /* 08 */
 441         {0x0035, 0x8801},       /* 0x14 - set gain general */
 442         {0x001f, 0x8805},       /* 0x14 */
 443         {0x0000, 0x8800},
 444         {0x0030, 0x8112},
 445         {}
 446 };
 447
 448 static void sensor_reset(struct gspca_dev *gspca_dev)
 449 {
 450         reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
 451         reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
 452         reg_w_val(gspca_dev->dev, 0x8112, 0x00);
 453         reg_w_val(gspca_dev->dev, 0x8114, 0x00);
 454         reg_w_val(gspca_dev->dev, 0x8118, 0x21);
 455         i2c_init(gspca_dev, 0x14);
 456         i2c_write(gspca_dev, 1, 0x0d);
 457         i2c_write(gspca_dev, 0, 0x0d);
 458 }
 459
 460 /******************** QC Express etch2 stuff ********************/
 461 static const __u16 Pb100_1map8300[][2] = {
 462         /* reg, value */
 463         {0x8320, 0x3304},
 464
 465         {0x8303, 0x0125},       /* image area */
 466         {0x8304, 0x0169},
 467         {0x8328, 0x000b},
 468         {0x833c, 0x0001},
 469
 470         {0x832f, 0x0419},
 471         {0x8307, 0x00aa},
 472         {0x8301, 0x0003},
 473         {0x8302, 0x000e},
 474         {}
 475 };
 476 static const __u16 Pb100_2map8300[][2] = {
 477         /* reg, value */
 478         {0x8339, 0x0000},
 479         {0x8307, 0x00aa},
 480         {}
 481 };
 482
 483 static const __u16 spca561_161rev12A_data1[][2] = {
 484         {0x21, 0x8118},
 485         {0x01, 0x8114},
 486         {0x00, 0x8112},
 487         {0x92, 0x8804},
 488         {0x04, 0x8802},         /* windows uses 08 */
 489         {}
 490 };
 491 static const __u16 spca561_161rev12A_data2[][2] = {
 492         {0x21, 0x8118},
 493         {0x10, 0x8500},
 494         {0x07, 0x8601},
 495         {0x07, 0x8602},
 496         {0x04, 0x8501},
 497         {0x21, 0x8118},
 498
 499         {0x07, 0x8201},         /* windows uses 02 */
 500         {0x08, 0x8200},
 501         {0x01, 0x8200},
 502
 503         {0x00, 0x8114},
 504         {0x01, 0x8114},         /* windows uses 00 */
 505
 506         {0x90, 0x8604},
 507         {0x00, 0x8605},
 508         {0xb0, 0x8603},
 509
 510         /* sensor gains */
 511         {0x00, 0x8610},         /* *red */
 512         {0x00, 0x8611},         /* 3f   *green */
 513         {0x00, 0x8612},         /* green *blue */
 514         {0x00, 0x8613},         /* blue *green */
 515         {0x35, 0x8614},         /* green *red */
 516         {0x35, 0x8615},         /* 40   *green */
 517         {0x35, 0x8616},         /* 7a   *blue */
 518         {0x35, 0x8617},         /* 40   *green */
 519
 520         {0x0c, 0x8620},         /* 0c */
 521         {0xc8, 0x8631},         /* c8 */
 522         {0xc8, 0x8634},         /* c8 */
 523         {0x23, 0x8635},         /* 23 */
 524         {0x1f, 0x8636},         /* 1f */
 525         {0xdd, 0x8637},         /* dd */
 526         {0xe1, 0x8638},         /* e1 */
 527         {0x1d, 0x8639},         /* 1d */
 528         {0x21, 0x863a},         /* 21 */
 529         {0xe3, 0x863b},         /* e3 */
 530         {0xdf, 0x863c},         /* df */
 531         {0xf0, 0x8505},
 532         {0x32, 0x850a},
 533         {}
 534 };
 535
 536 static void sensor_mapwrite(struct gspca_dev *gspca_dev,
 537                             const __u16 sensormap[][2])
 538 {
 539         int i = 0;
 540         __u8 usbval[2];
 541
 542         while (sensormap[i][0]) {
 543                 usbval[0] = sensormap[i][1];
 544                 usbval[1] = sensormap[i][1] >> 8;
 545                 reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
 546                 i++;
 547         }
 548 }
 549 static void init_161rev12A(struct gspca_dev *gspca_dev)
 550 {
 551         sensor_reset(gspca_dev);
 552         write_vector(gspca_dev, spca561_161rev12A_data1);
 553         sensor_mapwrite(gspca_dev, Pb100_1map8300);
 554         write_vector(gspca_dev, spca561_161rev12A_data2);
 555         sensor_mapwrite(gspca_dev, Pb100_2map8300);
 556 }
 557
 558 /* this function is called at probe time */
 559 static int sd_config(struct gspca_dev *gspca_dev,
 560                      const struct usb_device_id *id)
 561 {
 562         struct sd *sd = (struct sd *) gspca_dev;
 563         struct cam *cam;
 564         __u16 vendor, product;
 565         __u8 data1, data2;
 566
 567         /* Read frm global register the USB product and vendor IDs, just to
 568          * prove that we can communicate with the device.  This works, which
 569          * confirms at we are communicating properly and that the device
 570          * is a 561. */
 571         reg_r(gspca_dev, 0x8104, 1);
 572         data1 = gspca_dev->usb_buf[0];
 573         reg_r(gspca_dev, 0x8105, 1);
 574         data2 = gspca_dev->usb_buf[0];
 575         vendor = (data2 << 8) | data1;
 576         reg_r(gspca_dev, 0x8106, 1);
 577         data1 = gspca_dev->usb_buf[0];
 578         reg_r(gspca_dev, 0x8107, 1);
 579         data2 = gspca_dev->usb_buf[0];
 580         product = (data2 << 8) | data1;
 581         if (vendor != id->idVendor || product != id->idProduct) {
 582                 PDEBUG(D_PROBE, "Bad vendor / product from device");
 583                 return -EINVAL;
 584         }
 585         switch (product) {
 586         case 0x0928:
 587         case 0x0929:
 588         case 0x092a:
 589         case 0x092b:
 590         case 0x092c:
 591         case 0x092d:
 592         case 0x092e:
 593         case 0x092f:
 594         case 0x403b:
 595                 sd->chip_revision = Rev012A;
 596                 break;
 597         default:
 598 /*      case 0x0561:
 599         case 0x0815:                    * ?? in spca508.c
 600         case 0x401a:
 601         case 0x7004:
 602         case 0x7e50:
 603         case 0xa001:
 604         case 0xcdee: */
 605                 sd->chip_revision = Rev072A;
 606                 break;
 607         }
 608         cam = &gspca_dev->cam;
 609         cam->dev_name = (char *) id->driver_info;
 610         cam->epaddr = 0x01;
 611         gspca_dev->nbalt = 7 + 1;       /* choose alternate 7 first */
 612         cam->cam_mode = sif_mode;
 613         cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
 614         sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
 615         sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
 616         sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
 617         return 0;
 618 }
 619
 620 /* this function is called at open time */
 621 static int sd_open(struct gspca_dev *gspca_dev)
 622 {
 623         struct sd *sd = (struct sd *) gspca_dev;
 624
 625         switch (sd->chip_revision) {
 626         case Rev072A:
 627                 PDEBUG(D_STREAM, "Chip revision id: 072a");
 628                 write_vector(gspca_dev, spca561_init_data);
 629                 break;
 630         default:
 631 /*      case Rev012A: */
 632                 PDEBUG(D_STREAM, "Chip revision id: 012a");
 633                 init_161rev12A(gspca_dev);
 634                 break;
 635         }
 636         return 0;
 637 }
 638
 639 static void setcontrast(struct gspca_dev *gspca_dev)
 640 {
 641         struct sd *sd = (struct sd *) gspca_dev;
 642         struct usb_device *dev = gspca_dev->dev;
 643         __u8 lowb;
 644         int expotimes;
 645
 646         switch (sd->chip_revision) {
 647         case Rev072A:
 648                 lowb = sd->contrast >> 8;
 649                 reg_w_val(dev, lowb, 0x8651);
 650                 reg_w_val(dev, lowb, 0x8652);
 651                 reg_w_val(dev, lowb, 0x8653);
 652                 reg_w_val(dev, lowb, 0x8654);
 653                 break;
 654         case Rev012A: {
 655                 __u8 Reg8391[] =
 656                         { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };
 657
 658                 /* Write camera sensor settings */
 659                 expotimes = (sd->contrast >> 5) & 0x07ff;
 660                 Reg8391[0] = expotimes & 0xff;  /* exposure */
 661                 Reg8391[1] = 0x18 | (expotimes >> 8);
 662                 Reg8391[2] = sd->brightness;    /* gain */
 663                 reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
 664                 reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
 665                 break;
 666             }
 667         }
 668 }
 669
 670 static void sd_start(struct gspca_dev *gspca_dev)
 671 {
 672         struct sd *sd = (struct sd *) gspca_dev;
 673         struct usb_device *dev = gspca_dev->dev;
 674         int Clck;
 675         __u8 Reg8307[] = { 0xaa, 0x00 };
 676         int mode;
 677
 678         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 679         switch (sd->chip_revision) {
 680         case Rev072A:
 681                 switch (mode) {
 682                 default:
 683 /*              case 0:
 684                 case 1: */
 685                         Clck = 0x25;
 686                         break;
 687                 case 2:
 688                         Clck = 0x22;
 689                         break;
 690                 case 3:
 691                         Clck = 0x21;
 692                         break;
 693                 }
 694                 reg_w_val(dev, 0x8500, mode);   /* mode */
 695                 reg_w_val(dev, 0x8700, Clck);   /* 0x27 clock */
 696                 reg_w_val(dev, 0x8112, 0x10 | 0x20);
 697                 break;
 698         default:
 699 /*      case Rev012A: */
 700                 switch (mode) {
 701                 case 0:
 702                 case 1:
 703                         Clck = 0x8a;
 704                         break;
 705                 case 2:
 706                         Clck = 0x85;
 707                         break;
 708                 default:
 709                         Clck = 0x83;
 710                         break;
 711                 }
 712                 if (mode <= 1) {
 713                         /* Use compression on 320x240 and above */
 714                         reg_w_val(dev, 0x8500, 0x10 | mode);
 715                 } else {
 716                         /* I couldn't get the compression to work below 320x240
 717                          * Fortunately at these resolutions the bandwidth
 718                          * is sufficient to push raw frames at ~20fps */
 719                         reg_w_val(dev, 0x8500, mode);
 720                 }               /* -- qq@kuku.eu.org */
 721                 reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
 722                 reg_w_val(gspca_dev->dev, 0x8700, Clck);
 723                                                 /* 0x8f 0x85 0x27 clock */
 724                 reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
 725                 reg_w_val(gspca_dev->dev, 0x850b, 0x03);
 726                 setcontrast(gspca_dev);
 727                 break;
 728         }
 729 }
 730
 731 static void sd_stopN(struct gspca_dev *gspca_dev)
 732 {
 733         reg_w_val(gspca_dev->dev, 0x8112, 0x20);
 734 }
 735
 736 static void sd_stop0(struct gspca_dev *gspca_dev)
 737 {
 738 }
 739
 740 /* this function is called at close time */
 741 static void sd_close(struct gspca_dev *gspca_dev)
 742 {
 743         reg_w_val(gspca_dev->dev, 0x8114, 0);
 744 }
 745
 746 static void setautogain(struct gspca_dev *gspca_dev)
 747 {
 748         struct sd *sd = (struct sd *) gspca_dev;
 749         int expotimes = 0;
 750         int pixelclk = 0;
 751         int gainG = 0;
 752         __u8 R, Gr, Gb, B;
 753         int y;
 754         __u8 luma_mean = 110;
 755         __u8 luma_delta = 20;
 756         __u8 spring = 4;
 757
 758         switch (sd->chip_revision) {
 759         case Rev072A:
 760                 reg_r(gspca_dev, 0x8621, 1);
 761                 Gr = gspca_dev->usb_buf[0];
 762                 reg_r(gspca_dev, 0x8622, 1);
 763                 R = gspca_dev->usb_buf[0];
 764                 reg_r(gspca_dev, 0x8623, 1);
 765                 B = gspca_dev->usb_buf[0];
 766                 reg_r(gspca_dev, 0x8624, 1);
 767                 Gb = gspca_dev->usb_buf[0];
 768                 y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
 769                 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
 770                 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
 771                 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
 772
 773                 if (y < luma_mean - luma_delta ||
 774                     y > luma_mean + luma_delta) {
 775                         expotimes = i2c_read(gspca_dev, 0x09, 0x10);
 776                         pixelclk = 0x0800;
 777                         expotimes = expotimes & 0x07ff;
 778                         /* PDEBUG(D_PACK,
 779                                 "Exposition Times 0x%03X Clock 0x%04X ",
 780                                 expotimes,pixelclk); */
 781                         gainG = i2c_read(gspca_dev, 0x35, 0x10);
 782                         /* PDEBUG(D_PACK,
 783                                 "reading Gain register %d", gainG); */
 784
 785                         expotimes += (luma_mean - y) >> spring;
 786                         gainG += (luma_mean - y) / 50;
 787                         /* PDEBUG(D_PACK,
 788                                 "compute expotimes %d gain %d",
 789                                 expotimes,gainG); */
 790
 791                         if (gainG > 0x3f)
 792                                 gainG = 0x3f;
 793                         else if (gainG < 4)
 794                                 gainG = 3;
 795                         i2c_write(gspca_dev, gainG, 0x35);
 796
 797                         if (expotimes >= 0x0256)
 798                                 expotimes = 0x0256;
 799                         else if (expotimes < 4)
 800                                 expotimes = 3;
 801                         i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
 802                 }
 803                 break;
 804         case Rev012A:
 805                 /* sensor registers is access and memory mapped to 0x8300 */
 806                 /* readind all 0x83xx block the sensor */
 807                 /*
 808                  * The data from the header seem wrong where is the luma
 809                  * and chroma mean value
 810                  * at the moment set exposure in contrast set
 811                  */
 812                 break;
 813         }
 814 }
 815
 816 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 817                         struct gspca_frame *frame, /* target */
 818                         __u8 *data,             /* isoc packet */
 819                         int len)                /* iso packet length */
 820 {
 821         struct sd *sd = (struct sd *) gspca_dev;
 822
 823         switch (data[0]) {
 824         case 0:         /* start of frame */
 825                 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 826                                         data, 0);
 827                 if (sd->ag_cnt >= 0) {
 828                         if (--sd->ag_cnt < 0) {
 829                                 sd->ag_cnt = AG_CNT_START;
 830                                 setautogain(gspca_dev);
 831                         }
 832                 }
 833                 data += SPCA561_OFFSET_DATA;
 834                 len -= SPCA561_OFFSET_DATA;
 835                 if (data[1] & 0x10) {
 836                         /* compressed bayer */
 837                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 838                                         frame, data, len);
 839                 } else {
 840                         /* raw bayer (with a header, which we skip) */
 841                         data += 20;
 842                         len -= 20;
 843                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 844                                                 frame, data, len);
 845                 }
 846                 return;
 847         case 0xff:              /* drop */
 848 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 849                 return;
 850         }
 851         data++;
 852         len--;
 853         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 854 }
 855
 856 static void setbrightness(struct gspca_dev *gspca_dev)
 857 {
 858         struct sd *sd = (struct sd *) gspca_dev;
 859         __u8 value;
 860
 861         switch (sd->chip_revision) {
 862         case Rev072A:
 863                 value = sd->brightness;
 864                 reg_w_val(gspca_dev->dev, value, 0x8611);
 865                 reg_w_val(gspca_dev->dev, value, 0x8612);
 866                 reg_w_val(gspca_dev->dev, value, 0x8613);
 867                 reg_w_val(gspca_dev->dev, value, 0x8614);
 868                 break;
 869         default:
 870 /*      case Rev012A: */
 871                 setcontrast(gspca_dev);
 872                 break;
 873         }
 874 }
 875
 876 static void getbrightness(struct gspca_dev *gspca_dev)
 877 {
 878         struct sd *sd = (struct sd *) gspca_dev;
 879         __u16 tot;
 880
 881         switch (sd->chip_revision) {
 882         case Rev072A:
 883                 tot = 0;
 884                 reg_r(gspca_dev, 0x8611, 1);
 885                 tot += gspca_dev->usb_buf[0];
 886                 reg_r(gspca_dev, 0x8612, 1);
 887                 tot += gspca_dev->usb_buf[0];
 888                 reg_r(gspca_dev, 0x8613, 1);
 889                 tot += gspca_dev->usb_buf[0];
 890                 reg_r(gspca_dev, 0x8614, 1);
 891                 tot += gspca_dev->usb_buf[0];
 892                 sd->brightness = tot >> 2;
 893                 break;
 894         default:
 895 /*      case Rev012A: */
 896                 /* no way to read sensor settings */
 897                 break;
 898         }
 899 }
 900
 901 static void getcontrast(struct gspca_dev *gspca_dev)
 902 {
 903         struct sd *sd = (struct sd *) gspca_dev;
 904         __u16 tot;
 905
 906         switch (sd->chip_revision) {
 907         case Rev072A:
 908                 tot = 0;
 909                 reg_r(gspca_dev, 0x8651, 1);
 910                 tot += gspca_dev->usb_buf[0];
 911                 reg_r(gspca_dev, 0x8652, 1);
 912                 tot += gspca_dev->usb_buf[0];
 913                 reg_r(gspca_dev, 0x8653, 1);
 914                 tot += gspca_dev->usb_buf[0];
 915                 reg_r(gspca_dev, 0x8654, 1);
 916                 tot += gspca_dev->usb_buf[0];
 917                 sd->contrast = tot << 6;
 918                 break;
 919         default:
 920 /*      case Rev012A: */
 921                 /* no way to read sensor settings */
 922                 break;
 923         }
 924         PDEBUG(D_CONF, "get contrast %d", sd->contrast);
 925 }
 926
 927 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 928 {
 929         struct sd *sd = (struct sd *) gspca_dev;
 930
 931         sd->brightness = val;
 932         if (gspca_dev->streaming)
 933                 setbrightness(gspca_dev);
 934         return 0;
 935 }
 936
 937 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 938 {
 939         struct sd *sd = (struct sd *) gspca_dev;
 940
 941         getbrightness(gspca_dev);
 942         *val = sd->brightness;
 943         return 0;
 944 }
 945
 946 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
 947 {
 948         struct sd *sd = (struct sd *) gspca_dev;
 949
 950         sd->contrast = val;
 951         if (gspca_dev->streaming)
 952                 setcontrast(gspca_dev);
 953         return 0;
 954 }
 955
 956 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 957 {
 958         struct sd *sd = (struct sd *) gspca_dev;
 959
 960         getcontrast(gspca_dev);
 961         *val = sd->contrast;
 962         return 0;
 963 }
 964
 965 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
 966 {
 967         struct sd *sd = (struct sd *) gspca_dev;
 968
 969         sd->autogain = val;
 970         if (val)
 971                 sd->ag_cnt = AG_CNT_START;
 972         else
 973                 sd->ag_cnt = -1;
 974         return 0;
 975 }
 976
 977 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
 978 {
 979         struct sd *sd = (struct sd *) gspca_dev;
 980
 981         *val = sd->autogain;
 982         return 0;
 983 }
 984
 985 /* sub-driver description */
 986 static const struct sd_desc sd_desc = {
 987         .name = MODULE_NAME,
 988         .ctrls = sd_ctrls,
 989         .nctrls = ARRAY_SIZE(sd_ctrls),
 990         .config = sd_config,
 991         .open = sd_open,
 992         .start = sd_start,
 993         .stopN = sd_stopN,
 994         .stop0 = sd_stop0,
 995         .close = sd_close,
 996         .pkt_scan = sd_pkt_scan,
 997 };
 998
 999 /* -- module initialisation -- */
1000 #define DVNM(name) .driver_info = (kernel_ulong_t) name
1001 static const __devinitdata struct usb_device_id device_table[] = {
1002         {USB_DEVICE(0x041e, 0x401a), DVNM("Creative Webcam Vista (PD1100)")},
1003         {USB_DEVICE(0x041e, 0x403b),  DVNM("Creative Webcam Vista (VF0010)")},
1004         {USB_DEVICE(0x0458, 0x7004), DVNM("Genius VideoCAM Express V2")},
1005         {USB_DEVICE(0x046d, 0x0928), DVNM("Logitech QC Express Etch2")},
1006         {USB_DEVICE(0x046d, 0x0929), DVNM("Labtec Webcam Elch2")},
1007         {USB_DEVICE(0x046d, 0x092a), DVNM("Logitech QC for Notebook")},
1008         {USB_DEVICE(0x046d, 0x092b), DVNM("Labtec Webcam Plus")},
1009         {USB_DEVICE(0x046d, 0x092c), DVNM("Logitech QC chat Elch2")},
1010         {USB_DEVICE(0x046d, 0x092d), DVNM("Logitech QC Elch2")},
1011         {USB_DEVICE(0x046d, 0x092e), DVNM("Logitech QC Elch2")},
1012         {USB_DEVICE(0x046d, 0x092f), DVNM("Logitech QC Elch2")},
1013         {USB_DEVICE(0x04fc, 0x0561), DVNM("Flexcam 100")},
1014         {USB_DEVICE(0x060b, 0xa001), DVNM("Maxell Compact Pc PM3")},
1015         {USB_DEVICE(0x10fd, 0x7e50), DVNM("FlyCam Usb 100")},
1016         {USB_DEVICE(0xabcd, 0xcdee), DVNM("Petcam")},
1017         {}
1018 };
1019
1020 MODULE_DEVICE_TABLE(usb, device_table);
1021
1022 /* -- device connect -- */
1023 static int sd_probe(struct usb_interface *intf,
1024                     const struct usb_device_id *id)
1025 {
1026         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1027                                THIS_MODULE);
1028 }
1029
1030 static struct usb_driver sd_driver = {
1031         .name = MODULE_NAME,
1032         .id_table = device_table,
1033         .probe = sd_probe,
1034         .disconnect = gspca_disconnect,
1035 };
1036
1037 /* -- module insert / remove -- */
1038 static int __init sd_mod_init(void)
1039 {
1040         if (usb_register(&sd_driver) < 0)
1041                 return -1;
1042         PDEBUG(D_PROBE, "v%s registered", version);
1043         return 0;
1044 }
1045 static void __exit sd_mod_exit(void)
1046 {
1047         usb_deregister(&sd_driver);
1048         PDEBUG(D_PROBE, "deregistered");
1049 }
1050
1051 module_init(sd_mod_init);
1052 module_exit(sd_mod_exit);