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 white;
  38         __u8 autogain;
  39
  40         __u8 chip_revision;
  41         signed char ag_cnt;
  42 #define AG_CNT_START 13
  43 };
  44
  45 /* V4L2 controls supported by the driver */
  46 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
  47 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
  48 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
  49 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
  50 static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val);
  51 static int sd_getwhite(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         {
  57          {
  58           .id = V4L2_CID_BRIGHTNESS,
  59           .type = V4L2_CTRL_TYPE_INTEGER,
  60           .name = "Brightness",
  61           .minimum = 0,
  62           .maximum = 63,
  63           .step = 1,
  64 #define BRIGHTNESS_DEF 32
  65                 .default_value = BRIGHTNESS_DEF,
  66           },
  67          .set = sd_setbrightness,
  68          .get = sd_getbrightness,
  69          },
  70         {
  71          {
  72           .id = V4L2_CID_CONTRAST,
  73           .type = V4L2_CTRL_TYPE_INTEGER,
  74           .name = "Contrast",
  75           .minimum = 0,
  76           .maximum = 0x3fff,
  77           .step = 1,
  78 #define CONTRAST_DEF 0x2000
  79                 .default_value = CONTRAST_DEF,
  80           },
  81          .set = sd_setcontrast,
  82          .get = sd_getcontrast,
  83          },
  84         {
  85             {
  86                 .id = V4L2_CID_DO_WHITE_BALANCE,
  87                 .type = V4L2_CTRL_TYPE_INTEGER,
  88                 .name = "While Balance",
  89                 .minimum = 0,
  90                 .maximum = 0x7f,
  91                 .step = 1,
  92 #define WHITE_DEF 40
  93                 .default_value = WHITE_DEF,
  94                 },
  95                 .set = sd_setwhite,
  96                 .get = sd_getwhite,
  97             },
  98         {
  99          {
 100           .id = V4L2_CID_AUTOGAIN,
 101           .type = V4L2_CTRL_TYPE_BOOLEAN,
 102           .name = "Auto Gain",
 103           .minimum = 0,
 104           .maximum = 1,
 105           .step = 1,
 106 #define AUTOGAIN_DEF 1
 107           .default_value = AUTOGAIN_DEF,
 108           },
 109          .set = sd_setautogain,
 110          .get = sd_getautogain,
 111          },
 112 };
 113
 114 static struct v4l2_pix_format sif_mode[] = {
 115         {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 116                 .bytesperline = 160,
 117                 .sizeimage = 160 * 120,
 118                 .colorspace = V4L2_COLORSPACE_SRGB,
 119                 .priv = 3},
 120         {176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 121                 .bytesperline = 176,
 122                 .sizeimage = 176 * 144,
 123                 .colorspace = V4L2_COLORSPACE_SRGB,
 124                 .priv = 2},
 125         {320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
 126                 .bytesperline = 320,
 127                 .sizeimage = 320 * 240 * 4 / 8,
 128                 .colorspace = V4L2_COLORSPACE_SRGB,
 129                 .priv = 1},
 130         {352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
 131                 .bytesperline = 352,
 132                 .sizeimage = 352 * 288 * 4 / 8,
 133                 .colorspace = V4L2_COLORSPACE_SRGB,
 134                 .priv = 0},
 135 };
 136
 137 /*
 138  * Initialization data
 139  * I'm not very sure how to split initialization from open data
 140  * chunks. For now, we'll consider everything as initialization
 141  */
 142 /* Frame packet header offsets for the spca561 */
 143 #define SPCA561_OFFSET_SNAP 1
 144 #define SPCA561_OFFSET_TYPE 2
 145 #define SPCA561_OFFSET_COMPRESS 3
 146 #define SPCA561_OFFSET_FRAMSEQ   4
 147 #define SPCA561_OFFSET_GPIO 5
 148 #define SPCA561_OFFSET_USBBUFF 6
 149 #define SPCA561_OFFSET_WIN2GRAVE 7
 150 #define SPCA561_OFFSET_WIN2RAVE 8
 151 #define SPCA561_OFFSET_WIN2BAVE 9
 152 #define SPCA561_OFFSET_WIN2GBAVE 10
 153 #define SPCA561_OFFSET_WIN1GRAVE 11
 154 #define SPCA561_OFFSET_WIN1RAVE 12
 155 #define SPCA561_OFFSET_WIN1BAVE 13
 156 #define SPCA561_OFFSET_WIN1GBAVE 14
 157 #define SPCA561_OFFSET_FREQ 15
 158 #define SPCA561_OFFSET_VSYNC 16
 159 #define SPCA561_OFFSET_DATA 1
 160 #define SPCA561_INDEX_I2C_BASE 0x8800
 161 #define SPCA561_SNAPBIT 0x20
 162 #define SPCA561_SNAPCTRL 0x40
 163 enum {
 164         Rev072A = 0,
 165         Rev012A,
 166 };
 167
 168 static void reg_w_val(struct usb_device *dev, __u16 index, __u16 value)
 169 {
 170         int ret;
 171
 172         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 173                               0,                /* request */
 174                               USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 175                               value, index, NULL, 0, 500);
 176         PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
 177         if (ret < 0)
 178                 PDEBUG(D_ERR, "reg write: error %d", ret);
 179 }
 180
 181 static void write_vector(struct gspca_dev *gspca_dev,
 182                         const __u16 data[][2])
 183 {
 184         struct usb_device *dev = gspca_dev->dev;
 185         int i;
 186
 187         i = 0;
 188         while (data[i][1] != 0) {
 189                 reg_w_val(dev, data[i][1], data[i][0]);
 190                 i++;
 191         }
 192 }
 193
 194 /* read 'len' bytes to gspca_dev->usb_buf */
 195 static void reg_r(struct gspca_dev *gspca_dev,
 196                   __u16 index, __u16 length)
 197 {
 198         usb_control_msg(gspca_dev->dev,
 199                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 200                         0,                      /* request */
 201                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 202                         0,                      /* value */
 203                         index, gspca_dev->usb_buf, length, 500);
 204 }
 205
 206 static void reg_w_buf(struct gspca_dev *gspca_dev,
 207                       __u16 index, const __u8 *buffer, __u16 len)
 208 {
 209         memcpy(gspca_dev->usb_buf, buffer, len);
 210         usb_control_msg(gspca_dev->dev,
 211                         usb_sndctrlpipe(gspca_dev->dev, 0),
 212                         0,                      /* request */
 213                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 214                         0,                      /* value */
 215                         index, gspca_dev->usb_buf, len, 500);
 216 }
 217
 218 static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
 219 {
 220         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 221         reg_w_val(gspca_dev->dev, mode, 0x8802);
 222 }
 223
 224 static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
 225 {
 226         int retry = 60;
 227         __u8 DataLow;
 228         __u8 DataHight;
 229
 230         DataLow = valeur;
 231         DataHight = valeur >> 8;
 232         reg_w_val(gspca_dev->dev, reg, 0x8801);
 233         reg_w_val(gspca_dev->dev, DataLow, 0x8805);
 234         reg_w_val(gspca_dev->dev, DataHight, 0x8800);
 235         while (retry--) {
 236                 reg_r(gspca_dev, 0x8803, 1);
 237                 if (!gspca_dev->usb_buf[0])
 238                         break;
 239         }
 240 }
 241
 242 static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
 243 {
 244         int retry = 60;
 245         __u8 value;
 246         __u8 vallsb;
 247
 248         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 249         reg_w_val(gspca_dev->dev, reg, 0x8801);
 250         reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
 251         while (retry--) {
 252                 reg_r(gspca_dev, 0x8803, 1);
 253                 if (!gspca_dev->usb_buf)
 254                         break;
 255         }
 256         if (retry == 0)
 257                 return -1;
 258         reg_r(gspca_dev, 0x8800, 1);
 259         value = gspca_dev->usb_buf[0];
 260         reg_r(gspca_dev, 0x8805, 1);
 261         vallsb = gspca_dev->usb_buf[0];
 262         return ((int) value << 8) | vallsb;
 263 }
 264
 265 static const __u16 spca561_init_data[][2] = {
 266         {0x0000, 0x8114},       /* Software GPIO output data */
 267         {0x0001, 0x8114},       /* Software GPIO output data */
 268         {0x0000, 0x8112},       /* Some kind of reset */
 269         {0x0003, 0x8701},       /* PCLK clock delay adjustment */
 270         {0x0001, 0x8703},       /* HSYNC from cmos inverted */
 271         {0x0011, 0x8118},       /* Enable and conf sensor */
 272         {0x0001, 0x8118},       /* Conf sensor */
 273         {0x0092, 0x8804},       /* I know nothing about these */
 274         {0x0010, 0x8802},       /* 0x88xx registers, so I won't */
 275         /***************/
 276         {0x000d, 0x8805},       /* sensor default setting */
 277         {0x0001, 0x8801},       /* 1 <- 0x0d */
 278         {0x0000, 0x8800},
 279         {0x0018, 0x8805},
 280         {0x0002, 0x8801},       /* 2 <- 0x18 */
 281         {0x0000, 0x8800},
 282         {0x0065, 0x8805},
 283         {0x0004, 0x8801},       /* 4 <- 0x01 0x65 */
 284         {0x0001, 0x8800},
 285         {0x0021, 0x8805},
 286         {0x0005, 0x8801},       /* 5 <- 0x21 */
 287         {0x0000, 0x8800},
 288         {0x00aa, 0x8805},
 289         {0x0007, 0x8801},       /* 7 <- 0xaa */
 290         {0x0000, 0x8800},
 291         {0x0004, 0x8805},
 292         {0x0020, 0x8801},       /* 0x20 <- 0x15 0x04 */
 293         {0x0015, 0x8800},
 294         {0x0002, 0x8805},
 295         {0x0039, 0x8801},       /* 0x39 <- 0x02 */
 296         {0x0000, 0x8800},
 297         {0x0010, 0x8805},
 298         {0x0035, 0x8801},       /* 0x35 <- 0x10 */
 299         {0x0000, 0x8800},
 300         {0x0049, 0x8805},
 301         {0x0009, 0x8801},       /* 0x09 <- 0x10 0x49 */
 302         {0x0010, 0x8800},
 303         {0x000b, 0x8805},
 304         {0x0028, 0x8801},       /* 0x28 <- 0x0b */
 305         {0x0000, 0x8800},
 306         {0x000f, 0x8805},
 307         {0x003b, 0x8801},       /* 0x3b <- 0x0f */
 308         {0x0000, 0x8800},
 309         {0x0000, 0x8805},
 310         {0x003c, 0x8801},       /* 0x3c <- 0x00 */
 311         {0x0000, 0x8800},
 312         /***************/
 313         {0x0018, 0x8601},       /* Pixel/line selection for color separation */
 314         {0x0000, 0x8602},       /* Optical black level for user setting */
 315         {0x0060, 0x8604},       /* Optical black horizontal offset */
 316         {0x0002, 0x8605},       /* Optical black vertical offset */
 317         {0x0000, 0x8603},       /* Non-automatic optical black level */
 318         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 319         {0x0000, 0x865f},       /* Vertical valid pixels window (x2) */
 320         {0x00b0, 0x865d},       /* Horizontal valid pixels window (x2) */
 321         {0x0090, 0x865e},       /* Vertical valid lines window (x2) */
 322         {0x00e0, 0x8406},       /* Memory buffer threshold */
 323         {0x0000, 0x8660},       /* Compensation memory stuff */
 324         {0x0002, 0x8201},       /* Output address for r/w serial EEPROM */
 325         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 326         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 327         {0x0007, 0x8201},       /* Output address for r/w serial EEPROM */
 328         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 329         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 330         {0x0010, 0x8660},       /* Compensation memory stuff */
 331         {0x0018, 0x8660},       /* Compensation memory stuff */
 332
 333         {0x0004, 0x8611},       /* R offset for white balance */
 334         {0x0004, 0x8612},       /* Gr offset for white balance */
 335         {0x0007, 0x8613},       /* B offset for white balance */
 336         {0x0000, 0x8614},       /* Gb offset for white balance */
 337         {0x008c, 0x8651},       /* R gain for white balance */
 338         {0x008c, 0x8652},       /* Gr gain for white balance */
 339         {0x00b5, 0x8653},       /* B gain for white balance */
 340         {0x008c, 0x8654},       /* Gb gain for white balance */
 341         {0x0002, 0x8502},       /* Maximum average bit rate stuff */
 342
 343         {0x0011, 0x8802},
 344         {0x0087, 0x8700},       /* Set master clock (96Mhz????) */
 345         {0x0081, 0x8702},       /* Master clock output enable */
 346
 347         {0x0000, 0x8500},       /* Set image type (352x288 no compression) */
 348         /* Originally was 0x0010 (352x288 compression) */
 349
 350         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 351         {0x0003, 0x865c},       /* Vertical offset for valid lines */
 352         /***************//* sensor active */
 353         {0x0003, 0x8801},       /* 0x03 <- 0x01 0x21 //289 */
 354         {0x0021, 0x8805},
 355         {0x0001, 0x8800},
 356         {0x0004, 0x8801},       /* 0x04 <- 0x01 0x65 //357 */
 357         {0x0065, 0x8805},
 358         {0x0001, 0x8800},
 359         {0x0005, 0x8801},       /* 0x05 <- 0x2f */
 360         {0x002f, 0x8805},
 361         {0x0000, 0x8800},
 362         {0x0006, 0x8801},       /* 0x06 <- 0 */
 363         {0x0000, 0x8805},
 364         {0x0000, 0x8800},
 365         {0x000a, 0x8801},       /* 0x0a <- 2 */
 366         {0x0002, 0x8805},
 367         {0x0000, 0x8800},
 368         {0x0009, 0x8801},       /* 0x09 <- 0x1061 */
 369         {0x0061, 0x8805},
 370         {0x0010, 0x8800},
 371         {0x0035, 0x8801},       /* 0x35 <-0x14 */
 372         {0x0014, 0x8805},
 373         {0x0000, 0x8800},
 374         {0x0030, 0x8112},       /* ISO and drop packet enable */
 375         {0x0000, 0x8112},       /* Some kind of reset ???? */
 376         {0x0009, 0x8118},       /* Enable sensor and set standby */
 377         {0x0000, 0x8114},       /* Software GPIO output data */
 378         {0x0000, 0x8114},       /* Software GPIO output data */
 379         {0x0001, 0x8114},       /* Software GPIO output data */
 380         {0x0000, 0x8112},       /* Some kind of reset ??? */
 381         {0x0003, 0x8701},
 382         {0x0001, 0x8703},
 383         {0x0011, 0x8118},
 384         {0x0001, 0x8118},
 385         /***************/
 386         {0x0092, 0x8804},
 387         {0x0010, 0x8802},
 388         {0x000d, 0x8805},
 389         {0x0001, 0x8801},
 390         {0x0000, 0x8800},
 391         {0x0018, 0x8805},
 392         {0x0002, 0x8801},
 393         {0x0000, 0x8800},
 394         {0x0065, 0x8805},
 395         {0x0004, 0x8801},
 396         {0x0001, 0x8800},
 397         {0x0021, 0x8805},
 398         {0x0005, 0x8801},
 399         {0x0000, 0x8800},
 400         {0x00aa, 0x8805},
 401         {0x0007, 0x8801},       /* mode 0xaa */
 402         {0x0000, 0x8800},
 403         {0x0004, 0x8805},
 404         {0x0020, 0x8801},
 405         {0x0015, 0x8800},       /* mode 0x0415 */
 406         {0x0002, 0x8805},
 407         {0x0039, 0x8801},
 408         {0x0000, 0x8800},
 409         {0x0010, 0x8805},
 410         {0x0035, 0x8801},
 411         {0x0000, 0x8800},
 412         {0x0049, 0x8805},
 413         {0x0009, 0x8801},
 414         {0x0010, 0x8800},
 415         {0x000b, 0x8805},
 416         {0x0028, 0x8801},
 417         {0x0000, 0x8800},
 418         {0x000f, 0x8805},
 419         {0x003b, 0x8801},
 420         {0x0000, 0x8800},
 421         {0x0000, 0x8805},
 422         {0x003c, 0x8801},
 423         {0x0000, 0x8800},
 424         {0x0002, 0x8502},
 425         {0x0039, 0x8801},
 426         {0x0000, 0x8805},
 427         {0x0000, 0x8800},
 428
 429         {0x0087, 0x8700},       /* overwrite by start */
 430         {0x0081, 0x8702},
 431         {0x0000, 0x8500},
 432 /*      {0x0010, 0x8500},  -- Previous line was this */
 433         {0x0002, 0x865b},
 434         {0x0003, 0x865c},
 435         /***************/
 436         {0x0003, 0x8801},       /* 0x121-> 289 */
 437         {0x0021, 0x8805},
 438         {0x0001, 0x8800},
 439         {0x0004, 0x8801},       /* 0x165 -> 357 */
 440         {0x0065, 0x8805},
 441         {0x0001, 0x8800},
 442         {0x0005, 0x8801},       /* 0x2f //blanking control colonne */
 443         {0x002f, 0x8805},
 444         {0x0000, 0x8800},
 445         {0x0006, 0x8801},       /* 0x00 //blanking mode row */
 446         {0x0000, 0x8805},
 447         {0x0000, 0x8800},
 448         {0x000a, 0x8801},       /* 0x01 //0x02 */
 449         {0x0001, 0x8805},
 450         {0x0000, 0x8800},
 451         {0x0009, 0x8801},       /* 0x1061 - setexposure times && pixel clock
 452                                  * 0001 0 | 000 0110 0001 */
 453         {0x0061, 0x8805},       /* 61 31 */
 454         {0x0008, 0x8800},       /* 08 */
 455         {0x0035, 0x8801},       /* 0x14 - set gain general */
 456         {0x001f, 0x8805},       /* 0x14 */
 457         {0x0000, 0x8800},
 458         {0x000e, 0x8112},       /* white balance - was 30 */
 459         {}
 460 };
 461
 462 static void sensor_reset(struct gspca_dev *gspca_dev)
 463 {
 464         reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
 465         reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
 466         reg_w_val(gspca_dev->dev, 0x8112, 0x00);
 467         reg_w_val(gspca_dev->dev, 0x8114, 0x00);
 468         reg_w_val(gspca_dev->dev, 0x8118, 0x21);
 469         i2c_init(gspca_dev, 0x14);
 470         i2c_write(gspca_dev, 1, 0x0d);
 471         i2c_write(gspca_dev, 0, 0x0d);
 472 }
 473
 474 /******************** QC Express etch2 stuff ********************/
 475 static const __u16 Pb100_1map8300[][2] = {
 476         /* reg, value */
 477         {0x8320, 0x3304},
 478
 479         {0x8303, 0x0125},       /* image area */
 480         {0x8304, 0x0169},
 481         {0x8328, 0x000b},
 482         {0x833c, 0x0001},
 483
 484         {0x832f, 0x0419},
 485         {0x8307, 0x00aa},
 486         {0x8301, 0x0003},
 487         {0x8302, 0x000e},
 488         {}
 489 };
 490 static const __u16 Pb100_2map8300[][2] = {
 491         /* reg, value */
 492         {0x8339, 0x0000},
 493         {0x8307, 0x00aa},
 494         {}
 495 };
 496
 497 static const __u16 spca561_161rev12A_data1[][2] = {
 498         {0x29, 0x8118},         /* white balance - was 21 */
 499         {0x08, 0x8114},         /* white balance - was 01 */
 500         {0x0e, 0x8112},         /* white balance - was 00 */
 501         {0x00, 0x8102},         /* white balance - new */
 502         {0x92, 0x8804},
 503         {0x04, 0x8802},         /* windows uses 08 */
 504         {}
 505 };
 506 static const __u16 spca561_161rev12A_data2[][2] = {
 507         {0x21, 0x8118},
 508         {0x10, 0x8500},
 509         {0x07, 0x8601},
 510         {0x07, 0x8602},
 511         {0x04, 0x8501},
 512         {0x21, 0x8118},
 513
 514         {0x07, 0x8201},         /* windows uses 02 */
 515         {0x08, 0x8200},
 516         {0x01, 0x8200},
 517
 518         {0x00, 0x8114},
 519         {0x01, 0x8114},         /* windows uses 00 */
 520
 521         {0x90, 0x8604},
 522         {0x00, 0x8605},
 523         {0xb0, 0x8603},
 524
 525         /* sensor gains */
 526         {0x07, 0x8601},         /* white balance - new */
 527         {0x07, 0x8602},         /* white balance - new */
 528         {0x00, 0x8610},         /* *red */
 529         {0x00, 0x8611},         /* 3f   *green */
 530         {0x00, 0x8612},         /* green *blue */
 531         {0x00, 0x8613},         /* blue *green */
 532         {0x43, 0x8614},         /* green *red - white balance - was 0x35 */
 533         {0x40, 0x8615},         /* 40   *green - white balance - was 0x35 */
 534         {0x71, 0x8616},         /* 7a   *blue - white balance - was 0x35 */
 535         {0x40, 0x8617},         /* 40   *green - white balance - was 0x35 */
 536
 537         {0x0c, 0x8620},         /* 0c */
 538         {0xc8, 0x8631},         /* c8 */
 539         {0xc8, 0x8634},         /* c8 */
 540         {0x23, 0x8635},         /* 23 */
 541         {0x1f, 0x8636},         /* 1f */
 542         {0xdd, 0x8637},         /* dd */
 543         {0xe1, 0x8638},         /* e1 */
 544         {0x1d, 0x8639},         /* 1d */
 545         {0x21, 0x863a},         /* 21 */
 546         {0xe3, 0x863b},         /* e3 */
 547         {0xdf, 0x863c},         /* df */
 548         {0xf0, 0x8505},
 549         {0x32, 0x850a},
 550         {0x99, 0x8700},         /* - white balance - new */
 551         {}
 552 };
 553
 554 static void sensor_mapwrite(struct gspca_dev *gspca_dev,
 555                             const __u16 sensormap[][2])
 556 {
 557         int i = 0;
 558         __u8 usbval[2];
 559
 560         while (sensormap[i][0]) {
 561                 usbval[0] = sensormap[i][1];
 562                 usbval[1] = sensormap[i][1] >> 8;
 563                 reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
 564                 i++;
 565         }
 566 }
 567 static void init_161rev12A(struct gspca_dev *gspca_dev)
 568 {
 569         sensor_reset(gspca_dev);
 570         write_vector(gspca_dev, spca561_161rev12A_data1);
 571         sensor_mapwrite(gspca_dev, Pb100_1map8300);
 572         write_vector(gspca_dev, spca561_161rev12A_data2);
 573         sensor_mapwrite(gspca_dev, Pb100_2map8300);
 574 }
 575
 576 /* this function is called at probe time */
 577 static int sd_config(struct gspca_dev *gspca_dev,
 578                      const struct usb_device_id *id)
 579 {
 580         struct sd *sd = (struct sd *) gspca_dev;
 581         struct cam *cam;
 582         __u16 vendor, product;
 583         __u8 data1, data2;
 584
 585         /* Read frm global register the USB product and vendor IDs, just to
 586          * prove that we can communicate with the device.  This works, which
 587          * confirms at we are communicating properly and that the device
 588          * is a 561. */
 589         reg_r(gspca_dev, 0x8104, 1);
 590         data1 = gspca_dev->usb_buf[0];
 591         reg_r(gspca_dev, 0x8105, 1);
 592         data2 = gspca_dev->usb_buf[0];
 593         vendor = (data2 << 8) | data1;
 594         reg_r(gspca_dev, 0x8106, 1);
 595         data1 = gspca_dev->usb_buf[0];
 596         reg_r(gspca_dev, 0x8107, 1);
 597         data2 = gspca_dev->usb_buf[0];
 598         product = (data2 << 8) | data1;
 599         if (vendor != id->idVendor || product != id->idProduct) {
 600                 PDEBUG(D_PROBE, "Bad vendor / product from device");
 601                 return -EINVAL;
 602         }
 603
 604         cam = &gspca_dev->cam;
 605         cam->epaddr = 0x01;
 606         gspca_dev->nbalt = 7 + 1;       /* choose alternate 7 first */
 607         cam->cam_mode = sif_mode;
 608         cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
 609
 610         sd->chip_revision = id->driver_info;
 611         sd->brightness = BRIGHTNESS_DEF;
 612         sd->contrast = CONTRAST_DEF;
 613         sd->autogain = AUTOGAIN_DEF;
 614         sd->white = WHITE_DEF;
 615         return 0;
 616 }
 617
 618 /* this function is called at open time */
 619 static int sd_open(struct gspca_dev *gspca_dev)
 620 {
 621         struct sd *sd = (struct sd *) gspca_dev;
 622
 623         switch (sd->chip_revision) {
 624         case Rev072A:
 625                 PDEBUG(D_STREAM, "Chip revision id: 072a");
 626                 write_vector(gspca_dev, spca561_init_data);
 627                 break;
 628         default:
 629 /*      case Rev012A: */
 630                 PDEBUG(D_STREAM, "Chip revision id: 012a");
 631                 init_161rev12A(gspca_dev);
 632                 break;
 633         }
 634         return 0;
 635 }
 636
 637 static void setcontrast(struct gspca_dev *gspca_dev)
 638 {
 639         struct sd *sd = (struct sd *) gspca_dev;
 640         struct usb_device *dev = gspca_dev->dev;
 641         __u8 lowb;
 642         int expotimes;
 643
 644         switch (sd->chip_revision) {
 645         case Rev072A:
 646                 lowb = sd->contrast >> 8;
 647                 reg_w_val(dev, lowb, 0x8651);
 648                 reg_w_val(dev, lowb, 0x8652);
 649                 reg_w_val(dev, lowb, 0x8653);
 650                 reg_w_val(dev, lowb, 0x8654);
 651                 break;
 652         default: {
 653 /*      case Rev012A: { */
 654                 __u8 Reg8391[] =
 655                         { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };
 656
 657                 /* Write camera sensor settings */
 658                 expotimes = (sd->contrast >> 5) & 0x07ff;
 659                 /* exposure is in 8309 2b, range 0120 - 5720 */
 660                 Reg8391[0] = expotimes & 0xff;  /* exposure */
 661                 Reg8391[1] = 0x18 | (expotimes >> 8);
 662                 Reg8391[2] = sd->brightness;    /* gain */
 663                 /* gain in 8335, 2b range 0000 - 2400 */
 664                 reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
 665                 reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
 666                 break;
 667             }
 668         }
 669 }
 670
 671 static void setwhite(struct gspca_dev *gspca_dev)
 672 {
 673         struct sd *sd = (struct sd *) gspca_dev;
 674         __u16 white;
 675         __u8 reg8614, reg8616;
 676
 677         switch (sd->chip_revision) {
 678         case Rev072A:
 679                 /* no such hardware */
 680                 break;
 681         default:
 682 /*      case Rev012A: */
 683                 white = sd->white;
 684                 if (sd->white == 0) {
 685                         PDEBUG(D_CONF, "Discarding null whiteness");
 686                         break;
 687                 }
 688                 /* try to emulate MS-win as possible */
 689                 if (white < 0x45)
 690                         reg8616 = white;
 691                 else
 692                         reg8616 = 0x93 + (white >> 2);
 693                 reg8614 = 0x28 + (white >> 4);
 694                 reg_w_val(gspca_dev->dev, reg8616, 0x8616);
 695                 reg_w_val(gspca_dev->dev, reg8614, 0x8614);
 696         }
 697 }
 698
 699 static void setautogain(struct gspca_dev *gspca_dev)
 700 {
 701         struct sd *sd = (struct sd *) gspca_dev;
 702
 703         if (sd->chip_revision == Rev072A) {
 704                 if (sd->autogain)
 705                         sd->ag_cnt = AG_CNT_START;
 706                 else
 707                         sd->ag_cnt = -1;
 708         }
 709 }
 710
 711 static void sd_start(struct gspca_dev *gspca_dev)
 712 {
 713         struct sd *sd = (struct sd *) gspca_dev;
 714         struct usb_device *dev = gspca_dev->dev;
 715         int Clck;
 716         __u8 Reg8307[] = { 0xaa, 0x00 };
 717         int mode;
 718
 719         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 720         switch (sd->chip_revision) {
 721         case Rev072A:
 722                 switch (mode) {
 723                 default:
 724 /*              case 0:
 725                 case 1: */
 726                         Clck = 0x25;
 727                         break;
 728                 case 2:
 729                         Clck = 0x22;
 730                         break;
 731                 case 3:
 732                         Clck = 0x21;
 733                         break;
 734                 }
 735                 reg_w_val(dev, 0x8500, mode);   /* mode */
 736                 reg_w_val(dev, 0x8700, Clck);   /* 0x27 clock */
 737                 reg_w_val(dev, 0x8112, 0x10 | 0x20);
 738                 setautogain(gspca_dev);
 739                 break;
 740         default:
 741 /*      case Rev012A: */
 742                 switch (mode) {
 743                 case 0:
 744                 case 1:
 745                         Clck = 0x8a;
 746                         break;
 747                 case 2:
 748                         Clck = 0x85;
 749                         break;
 750                 default:
 751                         Clck = 0x83;
 752                         break;
 753                 }
 754                 if (mode <= 1) {
 755                         /* Use compression on 320x240 and above */
 756                         reg_w_val(dev, 0x8500, 0x10 | mode);
 757                 } else {
 758                         /* I couldn't get the compression to work below 320x240
 759                          * Fortunately at these resolutions the bandwidth
 760                          * is sufficient to push raw frames at ~20fps */
 761                         reg_w_val(dev, 0x8500, mode);
 762                 }               /* -- qq@kuku.eu.org */
 763                 reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
 764                 reg_w_val(gspca_dev->dev, 0x8700, Clck);
 765                                                 /* 0x8f 0x85 0x27 clock */
 766                 reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
 767                 reg_w_val(gspca_dev->dev, 0x850b, 0x03);
 768                 setcontrast(gspca_dev);
 769                 setwhite(gspca_dev);
 770                 break;
 771         }
 772 }
 773
 774 static void sd_stopN(struct gspca_dev *gspca_dev)
 775 {
 776         reg_w_val(gspca_dev->dev, 0x8112, 0x20);
 777         reg_w_val(gspca_dev->dev, 0x8102, 0x00); /* white balance - new */
 778 }
 779
 780 static void sd_stop0(struct gspca_dev *gspca_dev)
 781 {
 782 }
 783
 784 /* this function is called at close time */
 785 static void sd_close(struct gspca_dev *gspca_dev)
 786 {
 787         reg_w_val(gspca_dev->dev, 0x8114, 0);
 788 }
 789
 790 static void do_autogain(struct gspca_dev *gspca_dev)
 791 {
 792         struct sd *sd = (struct sd *) gspca_dev;
 793         int expotimes;
 794         int pixelclk;
 795         int gainG;
 796         __u8 R, Gr, Gb, B;
 797         int y;
 798         __u8 luma_mean = 110;
 799         __u8 luma_delta = 20;
 800         __u8 spring = 4;
 801
 802         if (sd->ag_cnt < 0)
 803                 return;
 804         if (--sd->ag_cnt >= 0)
 805                 return;
 806         sd->ag_cnt = AG_CNT_START;
 807
 808         switch (sd->chip_revision) {
 809         case Rev072A:
 810                 reg_r(gspca_dev, 0x8621, 1);
 811                 Gr = gspca_dev->usb_buf[0];
 812                 reg_r(gspca_dev, 0x8622, 1);
 813                 R = gspca_dev->usb_buf[0];
 814                 reg_r(gspca_dev, 0x8623, 1);
 815                 B = gspca_dev->usb_buf[0];
 816                 reg_r(gspca_dev, 0x8624, 1);
 817                 Gb = gspca_dev->usb_buf[0];
 818                 y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
 819                 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
 820                 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
 821                 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
 822
 823                 if (y < luma_mean - luma_delta ||
 824                     y > luma_mean + luma_delta) {
 825                         expotimes = i2c_read(gspca_dev, 0x09, 0x10);
 826                         pixelclk = 0x0800;
 827                         expotimes = expotimes & 0x07ff;
 828                         /* PDEBUG(D_PACK,
 829                                 "Exposition Times 0x%03X Clock 0x%04X ",
 830                                 expotimes,pixelclk); */
 831                         gainG = i2c_read(gspca_dev, 0x35, 0x10);
 832                         /* PDEBUG(D_PACK,
 833                                 "reading Gain register %d", gainG); */
 834
 835                         expotimes += (luma_mean - y) >> spring;
 836                         gainG += (luma_mean - y) / 50;
 837                         /* PDEBUG(D_PACK,
 838                                 "compute expotimes %d gain %d",
 839                                 expotimes,gainG); */
 840
 841                         if (gainG > 0x3f)
 842                                 gainG = 0x3f;
 843                         else if (gainG < 4)
 844                                 gainG = 3;
 845                         i2c_write(gspca_dev, gainG, 0x35);
 846
 847                         if (expotimes >= 0x0256)
 848                                 expotimes = 0x0256;
 849                         else if (expotimes < 4)
 850                                 expotimes = 3;
 851                         i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
 852                 }
 853                 break;
 854         case Rev012A:
 855                 /* sensor registers is access and memory mapped to 0x8300 */
 856                 /* readind all 0x83xx block the sensor */
 857                 /*
 858                  * The data from the header seem wrong where is the luma
 859                  * and chroma mean value
 860                  * at the moment set exposure in contrast set
 861                  */
 862                 break;
 863         }
 864 }
 865
 866 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 867                         struct gspca_frame *frame, /* target */
 868                         __u8 *data,             /* isoc packet */
 869                         int len)                /* iso packet length */
 870 {
 871         switch (data[0]) {
 872         case 0:         /* start of frame */
 873                 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 874                                         data, 0);
 875                 data += SPCA561_OFFSET_DATA;
 876                 len -= SPCA561_OFFSET_DATA;
 877                 if (data[1] & 0x10) {
 878                         /* compressed bayer */
 879                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 880                                         frame, data, len);
 881                 } else {
 882                         /* raw bayer (with a header, which we skip) */
 883                         data += 20;
 884                         len -= 20;
 885                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 886                                                 frame, data, len);
 887                 }
 888                 return;
 889         case 0xff:              /* drop */
 890 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 891                 return;
 892         }
 893         data++;
 894         len--;
 895         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 896 }
 897
 898 static void setbrightness(struct gspca_dev *gspca_dev)
 899 {
 900         struct sd *sd = (struct sd *) gspca_dev;
 901         __u8 value;
 902
 903         switch (sd->chip_revision) {
 904         case Rev072A:
 905                 value = sd->brightness;
 906                 reg_w_val(gspca_dev->dev, value, 0x8611);
 907                 reg_w_val(gspca_dev->dev, value, 0x8612);
 908                 reg_w_val(gspca_dev->dev, value, 0x8613);
 909                 reg_w_val(gspca_dev->dev, value, 0x8614);
 910                 break;
 911         default:
 912 /*      case Rev012A: */
 913                 setcontrast(gspca_dev);
 914                 break;
 915         }
 916 }
 917
 918 static void getbrightness(struct gspca_dev *gspca_dev)
 919 {
 920         struct sd *sd = (struct sd *) gspca_dev;
 921         __u16 tot;
 922
 923         switch (sd->chip_revision) {
 924         case Rev072A:
 925                 tot = 0;
 926                 reg_r(gspca_dev, 0x8611, 1);
 927                 tot += gspca_dev->usb_buf[0];
 928                 reg_r(gspca_dev, 0x8612, 1);
 929                 tot += gspca_dev->usb_buf[0];
 930                 reg_r(gspca_dev, 0x8613, 1);
 931                 tot += gspca_dev->usb_buf[0];
 932                 reg_r(gspca_dev, 0x8614, 1);
 933                 tot += gspca_dev->usb_buf[0];
 934                 sd->brightness = tot >> 2;
 935                 break;
 936         default:
 937 /*      case Rev012A: */
 938                 /* no way to read sensor settings */
 939                 break;
 940         }
 941 }
 942
 943 static void getcontrast(struct gspca_dev *gspca_dev)
 944 {
 945         struct sd *sd = (struct sd *) gspca_dev;
 946         __u16 tot;
 947
 948         switch (sd->chip_revision) {
 949         case Rev072A:
 950                 tot = 0;
 951                 reg_r(gspca_dev, 0x8651, 1);
 952                 tot += gspca_dev->usb_buf[0];
 953                 reg_r(gspca_dev, 0x8652, 1);
 954                 tot += gspca_dev->usb_buf[0];
 955                 reg_r(gspca_dev, 0x8653, 1);
 956                 tot += gspca_dev->usb_buf[0];
 957                 reg_r(gspca_dev, 0x8654, 1);
 958                 tot += gspca_dev->usb_buf[0];
 959                 sd->contrast = tot << 6;
 960                 break;
 961         default:
 962 /*      case Rev012A: */
 963                 /* no way to read sensor settings */
 964                 break;
 965         }
 966         PDEBUG(D_CONF, "get contrast %d", sd->contrast);
 967 }
 968
 969 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 970 {
 971         struct sd *sd = (struct sd *) gspca_dev;
 972
 973         sd->brightness = val;
 974         if (gspca_dev->streaming)
 975                 setbrightness(gspca_dev);
 976         return 0;
 977 }
 978
 979 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 980 {
 981         struct sd *sd = (struct sd *) gspca_dev;
 982
 983         getbrightness(gspca_dev);
 984         *val = sd->brightness;
 985         return 0;
 986 }
 987
 988 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
 989 {
 990         struct sd *sd = (struct sd *) gspca_dev;
 991
 992         sd->contrast = val;
 993         if (gspca_dev->streaming)
 994                 setcontrast(gspca_dev);
 995         return 0;
 996 }
 997
 998 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 999 {
1000         struct sd *sd = (struct sd *) gspca_dev;
1001
1002         getcontrast(gspca_dev);
1003         *val = sd->contrast;
1004         return 0;
1005 }
1006
1007 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
1008 {
1009         struct sd *sd = (struct sd *) gspca_dev;
1010
1011         sd->autogain = val;
1012         if (gspca_dev->streaming)
1013                 setautogain(gspca_dev);
1014         return 0;
1015 }
1016
1017 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
1018 {
1019         struct sd *sd = (struct sd *) gspca_dev;
1020
1021         *val = sd->autogain;
1022         return 0;
1023 }
1024
1025 /* white balance - new */
1026 static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val)
1027 {
1028         struct sd *sd = (struct sd *) gspca_dev;
1029
1030         sd->white = val;
1031         if (gspca_dev->streaming)
1032                 setwhite(gspca_dev);
1033         return 0;
1034 }
1035
1036 static int sd_getwhite(struct gspca_dev *gspca_dev, __s32 *val)
1037 {
1038         struct sd *sd = (struct sd *) gspca_dev;
1039
1040         *val = sd->white;
1041         return 0;
1042 }
1043
1044 /* sub-driver description */
1045 static const struct sd_desc sd_desc = {
1046         .name = MODULE_NAME,
1047         .ctrls = sd_ctrls,
1048         .nctrls = ARRAY_SIZE(sd_ctrls),
1049         .config = sd_config,
1050         .open = sd_open,
1051         .start = sd_start,
1052         .stopN = sd_stopN,
1053         .stop0 = sd_stop0,
1054         .close = sd_close,
1055         .pkt_scan = sd_pkt_scan,
1056         .dq_callback = do_autogain,
1057 };
1058
1059 /* -- module initialisation -- */
1060 static const __devinitdata struct usb_device_id device_table[] = {
1061         {USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
1062         {USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
1063         {USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
1064         {USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
1065         {USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
1066         {USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
1067         {USB_DEVICE(0x046d, 0x092b), .driver_info = Rev012A},
1068         {USB_DEVICE(0x046d, 0x092c), .driver_info = Rev012A},
1069         {USB_DEVICE(0x046d, 0x092d), .driver_info = Rev012A},
1070         {USB_DEVICE(0x046d, 0x092e), .driver_info = Rev012A},
1071         {USB_DEVICE(0x046d, 0x092f), .driver_info = Rev012A},
1072         {USB_DEVICE(0x04fc, 0x0561), .driver_info = Rev072A},
1073         {USB_DEVICE(0x060b, 0xa001), .driver_info = Rev072A},
1074         {USB_DEVICE(0x10fd, 0x7e50), .driver_info = Rev072A},
1075         {USB_DEVICE(0xabcd, 0xcdee), .driver_info = Rev072A},
1076         {}
1077 };
1078
1079 MODULE_DEVICE_TABLE(usb, device_table);
1080
1081 /* -- device connect -- */
1082 static int sd_probe(struct usb_interface *intf,
1083                     const struct usb_device_id *id)
1084 {
1085         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1086                                THIS_MODULE);
1087 }
1088
1089 static struct usb_driver sd_driver = {
1090         .name = MODULE_NAME,
1091         .id_table = device_table,
1092         .probe = sd_probe,
1093         .disconnect = gspca_disconnect,
1094 };
1095
1096 /* -- module insert / remove -- */
1097 static int __init sd_mod_init(void)
1098 {
1099         if (usb_register(&sd_driver) < 0)
1100                 return -1;
1101         PDEBUG(D_PROBE, "registered");
1102         return 0;
1103 }
1104 static void __exit sd_mod_exit(void)
1105 {
1106         usb_deregister(&sd_driver);
1107         PDEBUG(D_PROBE, "deregistered");
1108 }
1109
1110 module_init(sd_mod_init);
1111 module_exit(sd_mod_exit);