err.no Git - 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 #define DRIVER_VERSION_NUMBER   KERNEL_VERSION(2, 1, 5)
  28 static const char version[] = "2.1.5";
  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 static void reg_r(struct usb_device *dev,
 181                   __u16 index, __u8 *buffer, __u16 length)
 182 {
 183         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 184                         0,                      /* request */
 185                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 186                         0,                      /* value */
 187                         index, buffer, length, 500);
 188 }
 189
 190 static void reg_w_buf(struct usb_device *dev,
 191                       __u16 index, const __u8 *buffer, __u16 len)
 192 {
 193         __u8 tmpbuf[8];
 194
 195         memcpy(tmpbuf, buffer, len);
 196         usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 197                         0,                      /* request */
 198                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 199                         0,                      /* value */
 200                         index, tmpbuf, len, 500);
 201 }
 202
 203 static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
 204 {
 205         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 206         reg_w_val(gspca_dev->dev, mode, 0x8802);
 207 }
 208
 209 static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
 210 {
 211         int retry = 60;
 212         __u8 DataLow;
 213         __u8 DataHight;
 214         __u8 Data;
 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->dev, 0x8803, &Data, 1);
 223                 if (!Data)
 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         __u8 Data;
 234
 235         reg_w_val(gspca_dev->dev, 0x92, 0x8804);
 236         reg_w_val(gspca_dev->dev, reg, 0x8801);
 237         reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
 238         while (retry--) {
 239                 reg_r(gspca_dev->dev, 0x8803, &Data, 1);
 240                 if (!Data)
 241                         break;
 242         }
 243         if (retry == 0)
 244                 return -1;
 245         reg_r(gspca_dev->dev, 0x8800, &value, 1);
 246         reg_r(gspca_dev->dev, 0x8805, &vallsb, 1);
 247         return ((int) value << 8) | vallsb;
 248 }
 249
 250 static const __u16 spca561_init_data[][2] = {
 251         {0x0000, 0x8114},       /* Software GPIO output data */
 252         {0x0001, 0x8114},       /* Software GPIO output data */
 253         {0x0000, 0x8112},       /* Some kind of reset */
 254         {0x0003, 0x8701},       /* PCLK clock delay adjustment */
 255         {0x0001, 0x8703},       /* HSYNC from cmos inverted */
 256         {0x0011, 0x8118},       /* Enable and conf sensor */
 257         {0x0001, 0x8118},       /* Conf sensor */
 258         {0x0092, 0x8804},       /* I know nothing about these */
 259         {0x0010, 0x8802},       /* 0x88xx registers, so I won't */
 260         /***************/
 261         {0x000d, 0x8805},       /* sensor default setting */
 262         {0x0001, 0x8801},       /* 1 <- 0x0d */
 263         {0x0000, 0x8800},
 264         {0x0018, 0x8805},
 265         {0x0002, 0x8801},       /* 2 <- 0x18 */
 266         {0x0000, 0x8800},
 267         {0x0065, 0x8805},
 268         {0x0004, 0x8801},       /* 4 <- 0x01 0x65 */
 269         {0x0001, 0x8800},
 270         {0x0021, 0x8805},
 271         {0x0005, 0x8801},       /* 5 <- 0x21 */
 272         {0x0000, 0x8800},
 273         {0x00aa, 0x8805},
 274         {0x0007, 0x8801},       /* 7 <- 0xaa */
 275         {0x0000, 0x8800},
 276         {0x0004, 0x8805},
 277         {0x0020, 0x8801},       /* 0x20 <- 0x15 0x04 */
 278         {0x0015, 0x8800},
 279         {0x0002, 0x8805},
 280         {0x0039, 0x8801},       /* 0x39 <- 0x02 */
 281         {0x0000, 0x8800},
 282         {0x0010, 0x8805},
 283         {0x0035, 0x8801},       /* 0x35 <- 0x10 */
 284         {0x0000, 0x8800},
 285         {0x0049, 0x8805},
 286         {0x0009, 0x8801},       /* 0x09 <- 0x10 0x49 */
 287         {0x0010, 0x8800},
 288         {0x000b, 0x8805},
 289         {0x0028, 0x8801},       /* 0x28 <- 0x0b */
 290         {0x0000, 0x8800},
 291         {0x000f, 0x8805},
 292         {0x003b, 0x8801},       /* 0x3b <- 0x0f */
 293         {0x0000, 0x8800},
 294         {0x0000, 0x8805},
 295         {0x003c, 0x8801},       /* 0x3c <- 0x00 */
 296         {0x0000, 0x8800},
 297         /***************/
 298         {0x0018, 0x8601},       /* Pixel/line selection for color separation */
 299         {0x0000, 0x8602},       /* Optical black level for user setting */
 300         {0x0060, 0x8604},       /* Optical black horizontal offset */
 301         {0x0002, 0x8605},       /* Optical black vertical offset */
 302         {0x0000, 0x8603},       /* Non-automatic optical black level */
 303         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 304         {0x0000, 0x865f},       /* Vertical valid pixels window (x2) */
 305         {0x00b0, 0x865d},       /* Horizontal valid pixels window (x2) */
 306         {0x0090, 0x865e},       /* Vertical valid lines window (x2) */
 307         {0x00e0, 0x8406},       /* Memory buffer threshold */
 308         {0x0000, 0x8660},       /* Compensation memory stuff */
 309         {0x0002, 0x8201},       /* Output address for r/w serial EEPROM */
 310         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 311         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 312         {0x0007, 0x8201},       /* Output address for r/w serial EEPROM */
 313         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 314         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 315         {0x0010, 0x8660},       /* Compensation memory stuff */
 316         {0x0018, 0x8660},       /* Compensation memory stuff */
 317
 318         {0x0004, 0x8611},       /* R offset for white balance */
 319         {0x0004, 0x8612},       /* Gr offset for white balance */
 320         {0x0007, 0x8613},       /* B offset for white balance */
 321         {0x0000, 0x8614},       /* Gb offset for white balance */
 322         {0x008c, 0x8651},       /* R gain for white balance */
 323         {0x008c, 0x8652},       /* Gr gain for white balance */
 324         {0x00b5, 0x8653},       /* B gain for white balance */
 325         {0x008c, 0x8654},       /* Gb gain for white balance */
 326         {0x0002, 0x8502},       /* Maximum average bit rate stuff */
 327
 328         {0x0011, 0x8802},
 329         {0x0087, 0x8700},       /* Set master clock (96Mhz????) */
 330         {0x0081, 0x8702},       /* Master clock output enable */
 331
 332         {0x0000, 0x8500},       /* Set image type (352x288 no compression) */
 333         /* Originally was 0x0010 (352x288 compression) */
 334
 335         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 336         {0x0003, 0x865c},       /* Vertical offset for valid lines */
 337         /***************//* sensor active */
 338         {0x0003, 0x8801},       /* 0x03 <- 0x01 0x21 //289 */
 339         {0x0021, 0x8805},
 340         {0x0001, 0x8800},
 341         {0x0004, 0x8801},       /* 0x04 <- 0x01 0x65 //357 */
 342         {0x0065, 0x8805},
 343         {0x0001, 0x8800},
 344         {0x0005, 0x8801},       /* 0x05 <- 0x2f */
 345         {0x002f, 0x8805},
 346         {0x0000, 0x8800},
 347         {0x0006, 0x8801},       /* 0x06 <- 0 */
 348         {0x0000, 0x8805},
 349         {0x0000, 0x8800},
 350         {0x000a, 0x8801},       /* 0x0a <- 2 */
 351         {0x0002, 0x8805},
 352         {0x0000, 0x8800},
 353         {0x0009, 0x8801},       /* 0x09 <- 0x1061 */
 354         {0x0061, 0x8805},
 355         {0x0010, 0x8800},
 356         {0x0035, 0x8801},       /* 0x35 <-0x14 */
 357         {0x0014, 0x8805},
 358         {0x0000, 0x8800},
 359         {0x0030, 0x8112},       /* ISO and drop packet enable */
 360         {0x0000, 0x8112},       /* Some kind of reset ???? */
 361         {0x0009, 0x8118},       /* Enable sensor and set standby */
 362         {0x0000, 0x8114},       /* Software GPIO output data */
 363         {0x0000, 0x8114},       /* Software GPIO output data */
 364         {0x0001, 0x8114},       /* Software GPIO output data */
 365         {0x0000, 0x8112},       /* Some kind of reset ??? */
 366         {0x0003, 0x8701},
 367         {0x0001, 0x8703},
 368         {0x0011, 0x8118},
 369         {0x0001, 0x8118},
 370         /***************/
 371         {0x0092, 0x8804},
 372         {0x0010, 0x8802},
 373         {0x000d, 0x8805},
 374         {0x0001, 0x8801},
 375         {0x0000, 0x8800},
 376         {0x0018, 0x8805},
 377         {0x0002, 0x8801},
 378         {0x0000, 0x8800},
 379         {0x0065, 0x8805},
 380         {0x0004, 0x8801},
 381         {0x0001, 0x8800},
 382         {0x0021, 0x8805},
 383         {0x0005, 0x8801},
 384         {0x0000, 0x8800},
 385         {0x00aa, 0x8805},
 386         {0x0007, 0x8801},       /* mode 0xaa */
 387         {0x0000, 0x8800},
 388         {0x0004, 0x8805},
 389         {0x0020, 0x8801},
 390         {0x0015, 0x8800},       /* mode 0x0415 */
 391         {0x0002, 0x8805},
 392         {0x0039, 0x8801},
 393         {0x0000, 0x8800},
 394         {0x0010, 0x8805},
 395         {0x0035, 0x8801},
 396         {0x0000, 0x8800},
 397         {0x0049, 0x8805},
 398         {0x0009, 0x8801},
 399         {0x0010, 0x8800},
 400         {0x000b, 0x8805},
 401         {0x0028, 0x8801},
 402         {0x0000, 0x8800},
 403         {0x000f, 0x8805},
 404         {0x003b, 0x8801},
 405         {0x0000, 0x8800},
 406         {0x0000, 0x8805},
 407         {0x003c, 0x8801},
 408         {0x0000, 0x8800},
 409         {0x0002, 0x8502},
 410         {0x0039, 0x8801},
 411         {0x0000, 0x8805},
 412         {0x0000, 0x8800},
 413
 414         {0x0087, 0x8700},       /* overwrite by start */
 415         {0x0081, 0x8702},
 416         {0x0000, 0x8500},
 417 /*      {0x0010, 0x8500},  -- Previous line was this */
 418         {0x0002, 0x865b},
 419         {0x0003, 0x865c},
 420         /***************/
 421         {0x0003, 0x8801},       /* 0x121-> 289 */
 422         {0x0021, 0x8805},
 423         {0x0001, 0x8800},
 424         {0x0004, 0x8801},       /* 0x165 -> 357 */
 425         {0x0065, 0x8805},
 426         {0x0001, 0x8800},
 427         {0x0005, 0x8801},       /* 0x2f //blanking control colonne */
 428         {0x002f, 0x8805},
 429         {0x0000, 0x8800},
 430         {0x0006, 0x8801},       /* 0x00 //blanking mode row */
 431         {0x0000, 0x8805},
 432         {0x0000, 0x8800},
 433         {0x000a, 0x8801},       /* 0x01 //0x02 */
 434         {0x0001, 0x8805},
 435         {0x0000, 0x8800},
 436         {0x0009, 0x8801},       /* 0x1061 - setexposure times && pixel clock
 437                                  * 0001 0 | 000 0110 0001 */
 438         {0x0061, 0x8805},       /* 61 31 */
 439         {0x0008, 0x8800},       /* 08 */
 440         {0x0035, 0x8801},       /* 0x14 - set gain general */
 441         {0x001f, 0x8805},       /* 0x14 */
 442         {0x0000, 0x8800},
 443         {0x0030, 0x8112},
 444         {}
 445 };
 446
 447 static void sensor_reset(struct gspca_dev *gspca_dev)
 448 {
 449         reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
 450         reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
 451         reg_w_val(gspca_dev->dev, 0x8112, 0x00);
 452         reg_w_val(gspca_dev->dev, 0x8114, 0x00);
 453         reg_w_val(gspca_dev->dev, 0x8118, 0x21);
 454         i2c_init(gspca_dev, 0x14);
 455         i2c_write(gspca_dev, 1, 0x0d);
 456         i2c_write(gspca_dev, 0, 0x0d);
 457 }
 458
 459 /******************** QC Express etch2 stuff ********************/
 460 static const __u16 Pb100_1map8300[][2] = {
 461         /* reg, value */
 462         {0x8320, 0x3304},
 463
 464         {0x8303, 0x0125},       /* image area */
 465         {0x8304, 0x0169},
 466         {0x8328, 0x000b},
 467         {0x833c, 0x0001},
 468
 469         {0x832f, 0x0419},
 470         {0x8307, 0x00aa},
 471         {0x8301, 0x0003},
 472         {0x8302, 0x000e},
 473         {}
 474 };
 475 static const __u16 Pb100_2map8300[][2] = {
 476         /* reg, value */
 477         {0x8339, 0x0000},
 478         {0x8307, 0x00aa},
 479         {}
 480 };
 481
 482 static const __u16 spca561_161rev12A_data1[][2] = {
 483         {0x21, 0x8118},
 484         {0x01, 0x8114},
 485         {0x00, 0x8112},
 486         {0x92, 0x8804},
 487         {0x04, 0x8802},         /* windows uses 08 */
 488         {}
 489 };
 490 static const __u16 spca561_161rev12A_data2[][2] = {
 491         {0x21, 0x8118},
 492         {0x10, 0x8500},
 493         {0x07, 0x8601},
 494         {0x07, 0x8602},
 495         {0x04, 0x8501},
 496         {0x21, 0x8118},
 497
 498         {0x07, 0x8201},         /* windows uses 02 */
 499         {0x08, 0x8200},
 500         {0x01, 0x8200},
 501
 502         {0x00, 0x8114},
 503         {0x01, 0x8114},         /* windows uses 00 */
 504
 505         {0x90, 0x8604},
 506         {0x00, 0x8605},
 507         {0xb0, 0x8603},
 508
 509         /* sensor gains */
 510         {0x00, 0x8610},         /* *red */
 511         {0x00, 0x8611},         /* 3f   *green */
 512         {0x00, 0x8612},         /* green *blue */
 513         {0x00, 0x8613},         /* blue *green */
 514         {0x35, 0x8614},         /* green *red */
 515         {0x35, 0x8615},         /* 40   *green */
 516         {0x35, 0x8616},         /* 7a   *blue */
 517         {0x35, 0x8617},         /* 40   *green */
 518
 519         {0x0c, 0x8620},         /* 0c */
 520         {0xc8, 0x8631},         /* c8 */
 521         {0xc8, 0x8634},         /* c8 */
 522         {0x23, 0x8635},         /* 23 */
 523         {0x1f, 0x8636},         /* 1f */
 524         {0xdd, 0x8637},         /* dd */
 525         {0xe1, 0x8638},         /* e1 */
 526         {0x1d, 0x8639},         /* 1d */
 527         {0x21, 0x863a},         /* 21 */
 528         {0xe3, 0x863b},         /* e3 */
 529         {0xdf, 0x863c},         /* df */
 530         {0xf0, 0x8505},
 531         {0x32, 0x850a},
 532         {}
 533 };
 534
 535 static void sensor_mapwrite(struct gspca_dev *gspca_dev,
 536                             const __u16 sensormap[][2])
 537 {
 538         int i = 0;
 539         __u8 usbval[2];
 540
 541         while (sensormap[i][0]) {
 542                 usbval[0] = sensormap[i][1];
 543                 usbval[1] = sensormap[i][1] >> 8;
 544                 reg_w_buf(gspca_dev->dev, sensormap[i][0], usbval, 2);
 545                 i++;
 546         }
 547 }
 548 static void init_161rev12A(struct gspca_dev *gspca_dev)
 549 {
 550         sensor_reset(gspca_dev);
 551         write_vector(gspca_dev, spca561_161rev12A_data1);
 552         sensor_mapwrite(gspca_dev, Pb100_1map8300);
 553         write_vector(gspca_dev, spca561_161rev12A_data2);
 554         sensor_mapwrite(gspca_dev, Pb100_2map8300);
 555 }
 556
 557 /* this function is called at probe time */
 558 static int sd_config(struct gspca_dev *gspca_dev,
 559                      const struct usb_device_id *id)
 560 {
 561         struct sd *sd = (struct sd *) gspca_dev;
 562         struct usb_device *dev = gspca_dev->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(dev, 0x8104, &data1, 1);
 572         reg_r(dev, 0x8105, &data2, 1);
 573         vendor = (data2 << 8) | data1;
 574         reg_r(dev, 0x8106, &data1, 1);
 575         reg_r(dev, 0x8107, &data2, 1);
 576         product = (data2 << 8) | data1;
 577         if (vendor != id->idVendor || product != id->idProduct) {
 578                 PDEBUG(D_PROBE, "Bad vendor / product from device");
 579                 return -EINVAL;
 580         }
 581         switch (product) {
 582         case 0x0928:
 583         case 0x0929:
 584         case 0x092a:
 585         case 0x092b:
 586         case 0x092c:
 587         case 0x092d:
 588         case 0x092e:
 589         case 0x092f:
 590         case 0x403b:
 591                 sd->chip_revision = Rev012A;
 592                 break;
 593         default:
 594 /*      case 0x0561:
 595         case 0x0815:                    * ?? in spca508.c
 596         case 0x401a:
 597         case 0x7004:
 598         case 0x7e50:
 599         case 0xa001:
 600         case 0xcdee: */
 601                 sd->chip_revision = Rev072A;
 602                 break;
 603         }
 604         cam = &gspca_dev->cam;
 605         cam->dev_name = (char *) id->driver_info;
 606         cam->epaddr = 0x01;
 607         gspca_dev->nbalt = 7 + 1;       /* choose alternate 7 first */
 608         cam->cam_mode = sif_mode;
 609         cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
 610         sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
 611         sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
 612         sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
 613         return 0;
 614 }
 615
 616 /* this function is called at open time */
 617 static int sd_open(struct gspca_dev *gspca_dev)
 618 {
 619         struct sd *sd = (struct sd *) gspca_dev;
 620
 621         switch (sd->chip_revision) {
 622         case Rev072A:
 623                 PDEBUG(D_STREAM, "Chip revision id: 072a");
 624                 write_vector(gspca_dev, spca561_init_data);
 625                 break;
 626         default:
 627 /*      case Rev012A: */
 628                 PDEBUG(D_STREAM, "Chip revision id: 012a");
 629                 init_161rev12A(gspca_dev);
 630                 break;
 631         }
 632         return 0;
 633 }
 634
 635 static void setcontrast(struct gspca_dev *gspca_dev)
 636 {
 637         struct sd *sd = (struct sd *) gspca_dev;
 638         struct usb_device *dev = gspca_dev->dev;
 639         __u8 lowb;
 640         int expotimes;
 641
 642         switch (sd->chip_revision) {
 643         case Rev072A:
 644                 lowb = sd->contrast >> 8;
 645                 reg_w_val(dev, lowb, 0x8651);
 646                 reg_w_val(dev, lowb, 0x8652);
 647                 reg_w_val(dev, lowb, 0x8653);
 648                 reg_w_val(dev, lowb, 0x8654);
 649                 break;
 650         case Rev012A: {
 651                 __u8 Reg8391[] =
 652                         { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };
 653
 654                 /* Write camera sensor settings */
 655                 expotimes = (sd->contrast >> 5) & 0x07ff;
 656                 Reg8391[0] = expotimes & 0xff;  /* exposure */
 657                 Reg8391[1] = 0x18 | (expotimes >> 8);
 658                 Reg8391[2] = sd->brightness;    /* gain */
 659                 reg_w_buf(dev, 0x8391, Reg8391, 8);
 660                 reg_w_buf(dev, 0x8390, Reg8391, 8);
 661                 break;
 662             }
 663         }
 664 }
 665
 666 static void sd_start(struct gspca_dev *gspca_dev)
 667 {
 668         struct sd *sd = (struct sd *) gspca_dev;
 669         struct usb_device *dev = gspca_dev->dev;
 670         int Clck;
 671         __u8 Reg8307[] = { 0xaa, 0x00 };
 672         int mode;
 673
 674         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 675         switch (sd->chip_revision) {
 676         case Rev072A:
 677                 switch (mode) {
 678                 default:
 679 /*              case 0:
 680                 case 1: */
 681                         Clck = 0x25;
 682                         break;
 683                 case 2:
 684                         Clck = 0x22;
 685                         break;
 686                 case 3:
 687                         Clck = 0x21;
 688                         break;
 689                 }
 690                 reg_w_val(dev, 0x8500, mode);   /* mode */
 691                 reg_w_val(dev, 0x8700, Clck);   /* 0x27 clock */
 692                 reg_w_val(dev, 0x8112, 0x10 | 0x20);
 693                 break;
 694         default:
 695 /*      case Rev012A: */
 696                 switch (mode) {
 697                 case 0:
 698                 case 1:
 699                         Clck = 0x8a;
 700                         break;
 701                 case 2:
 702                         Clck = 0x85;
 703                         break;
 704                 default:
 705                         Clck = 0x83;
 706                         break;
 707                 }
 708                 if (mode <= 1) {
 709                         /* Use compression on 320x240 and above */
 710                         reg_w_val(dev, 0x8500, 0x10 | mode);
 711                 } else {
 712                         /* I couldn't get the compression to work below 320x240
 713                          * Fortunately at these resolutions the bandwidth
 714                          * is sufficient to push raw frames at ~20fps */
 715                         reg_w_val(dev, 0x8500, mode);
 716                 }               /* -- qq@kuku.eu.org */
 717                 reg_w_buf(dev, 0x8307, Reg8307, 2);
 718                 reg_w_val(dev, 0x8700, Clck);   /* 0x8f 0x85 0x27 clock */
 719                 reg_w_val(dev, 0x8112, 0x1e | 0x20);
 720                 reg_w_val(dev, 0x850b, 0x03);
 721                 setcontrast(gspca_dev);
 722                 break;
 723         }
 724 }
 725
 726 static void sd_stopN(struct gspca_dev *gspca_dev)
 727 {
 728         reg_w_val(gspca_dev->dev, 0x8112, 0x20);
 729 }
 730
 731 static void sd_stop0(struct gspca_dev *gspca_dev)
 732 {
 733 }
 734
 735 /* this function is called at close time */
 736 static void sd_close(struct gspca_dev *gspca_dev)
 737 {
 738         reg_w_val(gspca_dev->dev, 0x8114, 0);
 739 }
 740
 741 static void setautogain(struct gspca_dev *gspca_dev)
 742 {
 743         struct sd *sd = (struct sd *) gspca_dev;
 744         int expotimes = 0;
 745         int pixelclk = 0;
 746         int gainG = 0;
 747         __u8 R, Gr, Gb, B;
 748         int y;
 749         __u8 luma_mean = 110;
 750         __u8 luma_delta = 20;
 751         __u8 spring = 4;
 752
 753         switch (sd->chip_revision) {
 754         case Rev072A:
 755                 reg_r(gspca_dev->dev, 0x8621, &Gr, 1);
 756                 reg_r(gspca_dev->dev, 0x8622, &R, 1);
 757                 reg_r(gspca_dev->dev, 0x8623, &B, 1);
 758                 reg_r(gspca_dev->dev, 0x8624, &Gb, 1);
 759                 y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
 760                 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
 761                 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
 762                 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
 763
 764                 if (y < luma_mean - luma_delta ||
 765                     y > luma_mean + luma_delta) {
 766                         expotimes = i2c_read(gspca_dev, 0x09, 0x10);
 767                         pixelclk = 0x0800;
 768                         expotimes = expotimes & 0x07ff;
 769                         /* PDEBUG(D_PACK,
 770                                 "Exposition Times 0x%03X Clock 0x%04X ",
 771                                 expotimes,pixelclk); */
 772                         gainG = i2c_read(gspca_dev, 0x35, 0x10);
 773                         /* PDEBUG(D_PACK,
 774                                 "reading Gain register %d", gainG); */
 775
 776                         expotimes += (luma_mean - y) >> spring;
 777                         gainG += (luma_mean - y) / 50;
 778                         /* PDEBUG(D_PACK,
 779                                 "compute expotimes %d gain %d",
 780                                 expotimes,gainG); */
 781
 782                         if (gainG > 0x3f)
 783                                 gainG = 0x3f;
 784                         else if (gainG < 4)
 785                                 gainG = 3;
 786                         i2c_write(gspca_dev, gainG, 0x35);
 787
 788                         if (expotimes >= 0x0256)
 789                                 expotimes = 0x0256;
 790                         else if (expotimes < 4)
 791                                 expotimes = 3;
 792                         i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
 793                 }
 794                 break;
 795         case Rev012A:
 796                 /* sensor registers is access and memory mapped to 0x8300 */
 797                 /* readind all 0x83xx block the sensor */
 798                 /*
 799                  * The data from the header seem wrong where is the luma
 800                  * and chroma mean value
 801                  * at the moment set exposure in contrast set
 802                  */
 803                 break;
 804         }
 805 }
 806
 807 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 808                         struct gspca_frame *frame, /* target */
 809                         __u8 *data,             /* isoc packet */
 810                         int len)                /* iso packet length */
 811 {
 812         struct sd *sd = (struct sd *) gspca_dev;
 813
 814         switch (data[0]) {
 815         case 0:         /* start of frame */
 816                 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 817                                         data, 0);
 818                 if (sd->ag_cnt >= 0) {
 819                         if (--sd->ag_cnt < 0) {
 820                                 sd->ag_cnt = AG_CNT_START;
 821                                 setautogain(gspca_dev);
 822                         }
 823                 }
 824                 data += SPCA561_OFFSET_DATA;
 825                 len -= SPCA561_OFFSET_DATA;
 826                 if (data[1] & 0x10) {
 827                         /* compressed bayer */
 828                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 829                                         frame, data, len);
 830                 } else {
 831                         /* raw bayer (with a header, which we skip) */
 832                         data += 20;
 833                         len -= 20;
 834                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 835                                                 frame, data, len);
 836                 }
 837                 return;
 838         case 0xff:              /* drop */
 839 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 840                 return;
 841         }
 842         data++;
 843         len--;
 844         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 845 }
 846
 847 static void setbrightness(struct gspca_dev *gspca_dev)
 848 {
 849         struct sd *sd = (struct sd *) gspca_dev;
 850         __u8 value;
 851
 852         switch (sd->chip_revision) {
 853         case Rev072A:
 854                 value = sd->brightness;
 855                 reg_w_val(gspca_dev->dev, value, 0x8611);
 856                 reg_w_val(gspca_dev->dev, value, 0x8612);
 857                 reg_w_val(gspca_dev->dev, value, 0x8613);
 858                 reg_w_val(gspca_dev->dev, value, 0x8614);
 859                 break;
 860         default:
 861 /*      case Rev012A: */
 862                 setcontrast(gspca_dev);
 863                 break;
 864         }
 865 }
 866
 867 static void getbrightness(struct gspca_dev *gspca_dev)
 868 {
 869         struct sd *sd = (struct sd *) gspca_dev;
 870         __u8 value;
 871         __u16 tot;
 872
 873         switch (sd->chip_revision) {
 874         case Rev072A:
 875                 tot = 0;
 876                 reg_r(gspca_dev->dev, 0x8611, &value, 1);
 877                 tot += value;
 878                 reg_r(gspca_dev->dev, 0x8612, &value, 1);
 879                 tot += value;
 880                 reg_r(gspca_dev->dev, 0x8613, &value, 1);
 881                 tot += value;
 882                 reg_r(gspca_dev->dev, 0x8614, &value, 1);
 883                 tot += value;
 884                 sd->brightness = tot >> 2;
 885                 break;
 886         default:
 887 /*      case Rev012A: */
 888                 /* no way to read sensor settings */
 889                 break;
 890         }
 891 }
 892
 893 static void getcontrast(struct gspca_dev *gspca_dev)
 894 {
 895         struct sd *sd = (struct sd *) gspca_dev;
 896         __u8 value;
 897         __u16 tot;
 898
 899         switch (sd->chip_revision) {
 900         case Rev072A:
 901                 tot = 0;
 902                 reg_r(gspca_dev->dev, 0x8651, &value, 1);
 903                 tot += value;
 904                 reg_r(gspca_dev->dev, 0x8652, &value, 1);
 905                 tot += value;
 906                 reg_r(gspca_dev->dev, 0x8653, &value, 1);
 907                 tot += value;
 908                 reg_r(gspca_dev->dev, 0x8654, &value, 1);
 909                 tot += value;
 910                 sd->contrast = tot << 6;
 911                 break;
 912         default:
 913 /*      case Rev012A: */
 914                 /* no way to read sensor settings */
 915                 break;
 916         }
 917         PDEBUG(D_CONF, "get contrast %d", sd->contrast);
 918 }
 919
 920 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 921 {
 922         struct sd *sd = (struct sd *) gspca_dev;
 923
 924         sd->brightness = val;
 925         if (gspca_dev->streaming)
 926                 setbrightness(gspca_dev);
 927         return 0;
 928 }
 929
 930 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 931 {
 932         struct sd *sd = (struct sd *) gspca_dev;
 933
 934         getbrightness(gspca_dev);
 935         *val = sd->brightness;
 936         return 0;
 937 }
 938
 939 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
 940 {
 941         struct sd *sd = (struct sd *) gspca_dev;
 942
 943         sd->contrast = val;
 944         if (gspca_dev->streaming)
 945                 setcontrast(gspca_dev);
 946         return 0;
 947 }
 948
 949 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 950 {
 951         struct sd *sd = (struct sd *) gspca_dev;
 952
 953         getcontrast(gspca_dev);
 954         *val = sd->contrast;
 955         return 0;
 956 }
 957
 958 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
 959 {
 960         struct sd *sd = (struct sd *) gspca_dev;
 961
 962         sd->autogain = val;
 963         if (val)
 964                 sd->ag_cnt = AG_CNT_START;
 965         else
 966                 sd->ag_cnt = -1;
 967         return 0;
 968 }
 969
 970 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
 971 {
 972         struct sd *sd = (struct sd *) gspca_dev;
 973
 974         *val = sd->autogain;
 975         return 0;
 976 }
 977
 978 /* sub-driver description */
 979 static const struct sd_desc sd_desc = {
 980         .name = MODULE_NAME,
 981         .ctrls = sd_ctrls,
 982         .nctrls = ARRAY_SIZE(sd_ctrls),
 983         .config = sd_config,
 984         .open = sd_open,
 985         .start = sd_start,
 986         .stopN = sd_stopN,
 987         .stop0 = sd_stop0,
 988         .close = sd_close,
 989         .pkt_scan = sd_pkt_scan,
 990 };
 991
 992 /* -- module initialisation -- */
 993 #define DVNM(name) .driver_info = (kernel_ulong_t) name
 994 static const __devinitdata struct usb_device_id device_table[] = {
 995         {USB_DEVICE(0x041e, 0x401a), DVNM("Creative Webcam Vista (PD1100)")},
 996         {USB_DEVICE(0x041e, 0x403b),  DVNM("Creative Webcam Vista (VF0010)")},
 997         {USB_DEVICE(0x0458, 0x7004), DVNM("Genius VideoCAM Express V2")},
 998         {USB_DEVICE(0x046d, 0x0928), DVNM("Logitech QC Express Etch2")},
 999         {USB_DEVICE(0x046d, 0x0929), DVNM("Labtec Webcam Elch2")},
1000         {USB_DEVICE(0x046d, 0x092a), DVNM("Logitech QC for Notebook")},
1001         {USB_DEVICE(0x046d, 0x092b), DVNM("Labtec Webcam Plus")},
1002         {USB_DEVICE(0x046d, 0x092c), DVNM("Logitech QC chat Elch2")},
1003         {USB_DEVICE(0x046d, 0x092d), DVNM("Logitech QC Elch2")},
1004         {USB_DEVICE(0x046d, 0x092e), DVNM("Logitech QC Elch2")},
1005         {USB_DEVICE(0x046d, 0x092f), DVNM("Logitech QC Elch2")},
1006         {USB_DEVICE(0x04fc, 0x0561), DVNM("Flexcam 100")},
1007         {USB_DEVICE(0x060b, 0xa001), DVNM("Maxell Compact Pc PM3")},
1008         {USB_DEVICE(0x10fd, 0x7e50), DVNM("FlyCam Usb 100")},
1009         {USB_DEVICE(0xabcd, 0xcdee), DVNM("Petcam")},
1010         {}
1011 };
1012
1013 MODULE_DEVICE_TABLE(usb, device_table);
1014
1015 /* -- device connect -- */
1016 static int sd_probe(struct usb_interface *intf,
1017                     const struct usb_device_id *id)
1018 {
1019         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1020                                THIS_MODULE);
1021 }
1022
1023 static struct usb_driver sd_driver = {
1024         .name = MODULE_NAME,
1025         .id_table = device_table,
1026         .probe = sd_probe,
1027         .disconnect = gspca_disconnect,
1028 };
1029
1030 /* -- module insert / remove -- */
1031 static int __init sd_mod_init(void)
1032 {
1033         if (usb_register(&sd_driver) < 0)
1034                 return -1;
1035         PDEBUG(D_PROBE, "v%s registered", version);
1036         return 0;
1037 }
1038 static void __exit sd_mod_exit(void)
1039 {
1040         usb_deregister(&sd_driver);
1041         PDEBUG(D_PROBE, "deregistered");
1042 }
1043
1044 module_init(sd_mod_init);
1045 module_exit(sd_mod_exit);