root/drivers/media/usb/gspca/spca506.c

DEFINITIONS

1. reg_r
2. reg_w
3. spca506_Initi2c
4. spca506_WriteI2c
5. spca506_SetNormeInput
6. spca506_GetNormeInput
7. spca506_Setsize
8. sd_config
9. sd_init
10. sd_start
11. sd_stopN
12. sd_pkt_scan
13. setbrightness
14. setcontrast
15. setcolors
16. sethue
17. sd_s_ctrl
18. sd_init_controls
19. sd_probe

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * SPCA506 chip based cameras function
   4  * M Xhaard 15/04/2004 based on different work Mark Taylor and others
   5  * and my own snoopy file on a pv-321c donate by a german compagny
   6  *                "Firma Frank Gmbh" from  Saarbruecken
   7  *
   8  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
   9  */
  10 
  11 #define MODULE_NAME "spca506"
  12 
  13 #include "gspca.h"
  14 
  15 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  16 MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver");
  17 MODULE_LICENSE("GPL");
  18 
  19 /* specific webcam descriptor */
  20 struct sd {
  21         struct gspca_dev gspca_dev;     /* !! must be the first item */
  22 
  23         char norme;
  24         char channel;
  25 };
  26 
  27 static const struct v4l2_pix_format vga_mode[] = {
  28         {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  29                 .bytesperline = 160,
  30                 .sizeimage = 160 * 120 * 3 / 2,
  31                 .colorspace = V4L2_COLORSPACE_SRGB,
  32                 .priv = 5},
  33         {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  34                 .bytesperline = 176,
  35                 .sizeimage = 176 * 144 * 3 / 2,
  36                 .colorspace = V4L2_COLORSPACE_SRGB,
  37                 .priv = 4},
  38         {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  39                 .bytesperline = 320,
  40                 .sizeimage = 320 * 240 * 3 / 2,
  41                 .colorspace = V4L2_COLORSPACE_SRGB,
  42                 .priv = 2},
  43         {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  44                 .bytesperline = 352,
  45                 .sizeimage = 352 * 288 * 3 / 2,
  46                 .colorspace = V4L2_COLORSPACE_SRGB,
  47                 .priv = 1},
  48         {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  49                 .bytesperline = 640,
  50                 .sizeimage = 640 * 480 * 3 / 2,
  51                 .colorspace = V4L2_COLORSPACE_SRGB,
  52                 .priv = 0},
  53 };
  54 
  55 #define SPCA50X_OFFSET_DATA 10
  56 
  57 #define SAA7113_bright 0x0a     /* defaults 0x80 */
  58 #define SAA7113_contrast 0x0b   /* defaults 0x47 */
  59 #define SAA7113_saturation 0x0c /* defaults 0x40 */
  60 #define SAA7113_hue 0x0d        /* defaults 0x00 */
  61 #define SAA7113_I2C_BASE_WRITE 0x4a
  62 
  63 /* read 'len' bytes to gspca_dev->usb_buf */
  64 static void reg_r(struct gspca_dev *gspca_dev,
  65                   __u16 req,
  66                   __u16 index,
  67                   __u16 length)
  68 {
  69         usb_control_msg(gspca_dev->dev,
  70                         usb_rcvctrlpipe(gspca_dev->dev, 0),
  71                         req,
  72                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
  73                         0,              /* value */
  74                         index, gspca_dev->usb_buf, length,
  75                         500);
  76 }
  77 
  78 static void reg_w(struct usb_device *dev,
  79                   __u16 req,
  80                   __u16 value,
  81                   __u16 index)
  82 {
  83         usb_control_msg(dev,
  84                         usb_sndctrlpipe(dev, 0),
  85                         req,
  86                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
  87                         value, index,
  88                         NULL, 0, 500);
  89 }
  90 
  91 static void spca506_Initi2c(struct gspca_dev *gspca_dev)
  92 {
  93         reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004);
  94 }
  95 
  96 static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur,
  97                              __u16 reg)
  98 {
  99         int retry = 60;
 100 
 101         reg_w(gspca_dev->dev, 0x07, reg, 0x0001);
 102         reg_w(gspca_dev->dev, 0x07, valeur, 0x0000);
 103         while (retry--) {
 104                 reg_r(gspca_dev, 0x07, 0x0003, 2);
 105                 if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00)
 106                         break;
 107         }
 108 }
 109 
 110 static void spca506_SetNormeInput(struct gspca_dev *gspca_dev,
 111                                  __u16 norme,
 112                                  __u16 channel)
 113 {
 114         struct sd *sd = (struct sd *) gspca_dev;
 115 /* fixme: check if channel == 0..3 and 6..9 (8 values) */
 116         __u8 setbit0 = 0x00;
 117         __u8 setbit1 = 0x00;
 118         __u8 videomask = 0x00;
 119 
 120         gspca_dbg(gspca_dev, D_STREAM, "** Open Set Norme **\n");
 121         spca506_Initi2c(gspca_dev);
 122         /* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */
 123         /* Composite channel bit1 -> 1 S-video bit 1 -> 0 */
 124         /* and exclude SAA7113 reserved channel set default 0 otherwise */
 125         if (norme & V4L2_STD_NTSC)
 126                 setbit0 = 0x01;
 127         if (channel == 4 || channel == 5 || channel > 9)
 128                 channel = 0;
 129         if (channel < 4)
 130                 setbit1 = 0x02;
 131         videomask = (0x48 | setbit0 | setbit1);
 132         reg_w(gspca_dev->dev, 0x08, videomask, 0x0000);
 133         spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02);
 134 
 135         if (norme & V4L2_STD_NTSC)
 136                 spca506_WriteI2c(gspca_dev, 0x33, 0x0e);
 137                                         /* Chrominance Control NTSC N */
 138         else if (norme & V4L2_STD_SECAM)
 139                 spca506_WriteI2c(gspca_dev, 0x53, 0x0e);
 140                                         /* Chrominance Control SECAM */
 141         else
 142                 spca506_WriteI2c(gspca_dev, 0x03, 0x0e);
 143                                         /* Chrominance Control PAL BGHIV */
 144 
 145         sd->norme = norme;
 146         sd->channel = channel;
 147         gspca_dbg(gspca_dev, D_STREAM, "Set Video Byte to 0x%2x\n", videomask);
 148         gspca_dbg(gspca_dev, D_STREAM, "Set Norme: %08x Channel %d",
 149                   norme, channel);
 150 }
 151 
 152 static void spca506_GetNormeInput(struct gspca_dev *gspca_dev,
 153                                   __u16 *norme, __u16 *channel)
 154 {
 155         struct sd *sd = (struct sd *) gspca_dev;
 156 
 157         /* Read the register is not so good value change so
 158            we use your own copy in spca50x struct */
 159         *norme = sd->norme;
 160         *channel = sd->channel;
 161         gspca_dbg(gspca_dev, D_STREAM, "Get Norme: %d Channel %d\n",
 162                   *norme, *channel);
 163 }
 164 
 165 static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code,
 166                             __u16 xmult, __u16 ymult)
 167 {
 168         struct usb_device *dev = gspca_dev->dev;
 169 
 170         gspca_dbg(gspca_dev, D_STREAM, "** SetSize **\n");
 171         reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000);
 172         /* Soft snap 0x40 Hard 0x41 */
 173         reg_w(dev, 0x04, 0x41, 0x0001);
 174         reg_w(dev, 0x04, 0x00, 0x0002);
 175         /* reserved */
 176         reg_w(dev, 0x04, 0x00, 0x0003);
 177 
 178         /* reserved */
 179         reg_w(dev, 0x04, 0x00, 0x0004);
 180         /* reserved */
 181         reg_w(dev, 0x04, 0x01, 0x0005);
 182         /* reserced */
 183         reg_w(dev, 0x04, xmult, 0x0006);
 184         /* reserved */
 185         reg_w(dev, 0x04, ymult, 0x0007);
 186         /* compression 1 */
 187         reg_w(dev, 0x04, 0x00, 0x0008);
 188         /* T=64 -> 2 */
 189         reg_w(dev, 0x04, 0x00, 0x0009);
 190         /* threshold2D */
 191         reg_w(dev, 0x04, 0x21, 0x000a);
 192         /* quantization */
 193         reg_w(dev, 0x04, 0x00, 0x000b);
 194 }
 195 
 196 /* this function is called at probe time */
 197 static int sd_config(struct gspca_dev *gspca_dev,
 198                         const struct usb_device_id *id)
 199 {
 200         struct cam *cam;
 201 
 202         cam = &gspca_dev->cam;
 203         cam->cam_mode = vga_mode;
 204         cam->nmodes = ARRAY_SIZE(vga_mode);
 205         return 0;
 206 }
 207 
 208 /* this function is called at probe and resume time */
 209 static int sd_init(struct gspca_dev *gspca_dev)
 210 {
 211         struct usb_device *dev = gspca_dev->dev;
 212 
 213         reg_w(dev, 0x03, 0x00, 0x0004);
 214         reg_w(dev, 0x03, 0xFF, 0x0003);
 215         reg_w(dev, 0x03, 0x00, 0x0000);
 216         reg_w(dev, 0x03, 0x1c, 0x0001);
 217         reg_w(dev, 0x03, 0x18, 0x0001);
 218         /* Init on PAL and composite input0 */
 219         spca506_SetNormeInput(gspca_dev, 0, 0);
 220         reg_w(dev, 0x03, 0x1c, 0x0001);
 221         reg_w(dev, 0x03, 0x18, 0x0001);
 222         reg_w(dev, 0x05, 0x00, 0x0000);
 223         reg_w(dev, 0x05, 0xef, 0x0001);
 224         reg_w(dev, 0x05, 0x00, 0x00c1);
 225         reg_w(dev, 0x05, 0x00, 0x00c2);
 226         reg_w(dev, 0x06, 0x18, 0x0002);
 227         reg_w(dev, 0x06, 0xf5, 0x0011);
 228         reg_w(dev, 0x06, 0x02, 0x0012);
 229         reg_w(dev, 0x06, 0xfb, 0x0013);
 230         reg_w(dev, 0x06, 0x00, 0x0014);
 231         reg_w(dev, 0x06, 0xa4, 0x0051);
 232         reg_w(dev, 0x06, 0x40, 0x0052);
 233         reg_w(dev, 0x06, 0x71, 0x0053);
 234         reg_w(dev, 0x06, 0x40, 0x0054);
 235         /************************************************/
 236         reg_w(dev, 0x03, 0x00, 0x0004);
 237         reg_w(dev, 0x03, 0x00, 0x0003);
 238         reg_w(dev, 0x03, 0x00, 0x0004);
 239         reg_w(dev, 0x03, 0xFF, 0x0003);
 240         reg_w(dev, 0x02, 0x00, 0x0000);
 241         reg_w(dev, 0x03, 0x60, 0x0000);
 242         reg_w(dev, 0x03, 0x18, 0x0001);
 243         /* for a better reading mx :)     */
 244         /*sdca506_WriteI2c(value,register) */
 245         spca506_Initi2c(gspca_dev);
 246         spca506_WriteI2c(gspca_dev, 0x08, 0x01);
 247         spca506_WriteI2c(gspca_dev, 0xc0, 0x02);
 248                                                 /* input composite video */
 249         spca506_WriteI2c(gspca_dev, 0x33, 0x03);
 250         spca506_WriteI2c(gspca_dev, 0x00, 0x04);
 251         spca506_WriteI2c(gspca_dev, 0x00, 0x05);
 252         spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
 253         spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
 254         spca506_WriteI2c(gspca_dev, 0x98, 0x08);
 255         spca506_WriteI2c(gspca_dev, 0x03, 0x09);
 256         spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
 257         spca506_WriteI2c(gspca_dev, 0x47, 0x0b);
 258         spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
 259         spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
 260         spca506_WriteI2c(gspca_dev, 0x03, 0x0e);        /* Chroma Pal adjust */
 261         spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
 262         spca506_WriteI2c(gspca_dev, 0x00, 0x10);
 263         spca506_WriteI2c(gspca_dev, 0x0c, 0x11);
 264         spca506_WriteI2c(gspca_dev, 0xb8, 0x12);
 265         spca506_WriteI2c(gspca_dev, 0x01, 0x13);
 266         spca506_WriteI2c(gspca_dev, 0x00, 0x14);
 267         spca506_WriteI2c(gspca_dev, 0x00, 0x15);
 268         spca506_WriteI2c(gspca_dev, 0x00, 0x16);
 269         spca506_WriteI2c(gspca_dev, 0x00, 0x17);
 270         spca506_WriteI2c(gspca_dev, 0x00, 0x18);
 271         spca506_WriteI2c(gspca_dev, 0x00, 0x19);
 272         spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
 273         spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
 274         spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
 275         spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
 276         spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
 277         spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
 278         spca506_WriteI2c(gspca_dev, 0x02, 0x40);
 279         spca506_WriteI2c(gspca_dev, 0xff, 0x41);
 280         spca506_WriteI2c(gspca_dev, 0xff, 0x42);
 281         spca506_WriteI2c(gspca_dev, 0xff, 0x43);
 282         spca506_WriteI2c(gspca_dev, 0xff, 0x44);
 283         spca506_WriteI2c(gspca_dev, 0xff, 0x45);
 284         spca506_WriteI2c(gspca_dev, 0xff, 0x46);
 285         spca506_WriteI2c(gspca_dev, 0xff, 0x47);
 286         spca506_WriteI2c(gspca_dev, 0xff, 0x48);
 287         spca506_WriteI2c(gspca_dev, 0xff, 0x49);
 288         spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
 289         spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
 290         spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
 291         spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
 292         spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
 293         spca506_WriteI2c(gspca_dev, 0xff, 0x4f);
 294         spca506_WriteI2c(gspca_dev, 0xff, 0x50);
 295         spca506_WriteI2c(gspca_dev, 0xff, 0x51);
 296         spca506_WriteI2c(gspca_dev, 0xff, 0x52);
 297         spca506_WriteI2c(gspca_dev, 0xff, 0x53);
 298         spca506_WriteI2c(gspca_dev, 0xff, 0x54);
 299         spca506_WriteI2c(gspca_dev, 0xff, 0x55);
 300         spca506_WriteI2c(gspca_dev, 0xff, 0x56);
 301         spca506_WriteI2c(gspca_dev, 0xff, 0x57);
 302         spca506_WriteI2c(gspca_dev, 0x00, 0x58);
 303         spca506_WriteI2c(gspca_dev, 0x54, 0x59);
 304         spca506_WriteI2c(gspca_dev, 0x07, 0x5a);
 305         spca506_WriteI2c(gspca_dev, 0x83, 0x5b);
 306         spca506_WriteI2c(gspca_dev, 0x00, 0x5c);
 307         spca506_WriteI2c(gspca_dev, 0x00, 0x5d);
 308         spca506_WriteI2c(gspca_dev, 0x00, 0x5e);
 309         spca506_WriteI2c(gspca_dev, 0x00, 0x5f);
 310         spca506_WriteI2c(gspca_dev, 0x00, 0x60);
 311         spca506_WriteI2c(gspca_dev, 0x05, 0x61);
 312         spca506_WriteI2c(gspca_dev, 0x9f, 0x62);
 313         gspca_dbg(gspca_dev, D_STREAM, "** Close Init *\n");
 314         return 0;
 315 }
 316 
 317 static int sd_start(struct gspca_dev *gspca_dev)
 318 {
 319         struct usb_device *dev = gspca_dev->dev;
 320         __u16 norme;
 321         __u16 channel;
 322 
 323         /**************************************/
 324         reg_w(dev, 0x03, 0x00, 0x0004);
 325         reg_w(dev, 0x03, 0x00, 0x0003);
 326         reg_w(dev, 0x03, 0x00, 0x0004);
 327         reg_w(dev, 0x03, 0xFF, 0x0003);
 328         reg_w(dev, 0x02, 0x00, 0x0000);
 329         reg_w(dev, 0x03, 0x60, 0x0000);
 330         reg_w(dev, 0x03, 0x18, 0x0001);
 331 
 332         /*sdca506_WriteI2c(value,register) */
 333         spca506_Initi2c(gspca_dev);
 334         spca506_WriteI2c(gspca_dev, 0x08, 0x01);        /* Increment Delay */
 335 /*      spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */
 336         spca506_WriteI2c(gspca_dev, 0x33, 0x03);
 337                                                 /* Analog Input Control 2 */
 338         spca506_WriteI2c(gspca_dev, 0x00, 0x04);
 339                                                 /* Analog Input Control 3 */
 340         spca506_WriteI2c(gspca_dev, 0x00, 0x05);
 341                                                 /* Analog Input Control 4 */
 342         spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
 343                                         /* Horizontal Sync Start 0xe9-0x0d */
 344         spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
 345                                         /* Horizontal Sync Stop  0x0d-0xf0 */
 346 
 347         spca506_WriteI2c(gspca_dev, 0x98, 0x08);        /* Sync Control */
 348 /*              Defaults value                  */
 349         spca506_WriteI2c(gspca_dev, 0x03, 0x09);        /* Luminance Control */
 350         spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
 351                                                 /* Luminance Brightness */
 352         spca506_WriteI2c(gspca_dev, 0x47, 0x0b);        /* Luminance Contrast */
 353         spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
 354                                                 /* Chrominance Saturation */
 355         spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
 356                                                 /* Chrominance Hue Control */
 357         spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
 358                                                 /* Chrominance Gain Control */
 359         /**************************************/
 360         spca506_WriteI2c(gspca_dev, 0x00, 0x10);
 361                                                 /* Format/Delay Control */
 362         spca506_WriteI2c(gspca_dev, 0x0c, 0x11);        /* Output Control 1 */
 363         spca506_WriteI2c(gspca_dev, 0xb8, 0x12);        /* Output Control 2 */
 364         spca506_WriteI2c(gspca_dev, 0x01, 0x13);        /* Output Control 3 */
 365         spca506_WriteI2c(gspca_dev, 0x00, 0x14);        /* reserved */
 366         spca506_WriteI2c(gspca_dev, 0x00, 0x15);        /* VGATE START */
 367         spca506_WriteI2c(gspca_dev, 0x00, 0x16);        /* VGATE STOP */
 368         spca506_WriteI2c(gspca_dev, 0x00, 0x17);    /* VGATE Control (MSB) */
 369         spca506_WriteI2c(gspca_dev, 0x00, 0x18);
 370         spca506_WriteI2c(gspca_dev, 0x00, 0x19);
 371         spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
 372         spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
 373         spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
 374         spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
 375         spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
 376         spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
 377         spca506_WriteI2c(gspca_dev, 0x02, 0x40);
 378         spca506_WriteI2c(gspca_dev, 0xff, 0x41);
 379         spca506_WriteI2c(gspca_dev, 0xff, 0x42);
 380         spca506_WriteI2c(gspca_dev, 0xff, 0x43);
 381         spca506_WriteI2c(gspca_dev, 0xff, 0x44);
 382         spca506_WriteI2c(gspca_dev, 0xff, 0x45);
 383         spca506_WriteI2c(gspca_dev, 0xff, 0x46);
 384         spca506_WriteI2c(gspca_dev, 0xff, 0x47);
 385         spca506_WriteI2c(gspca_dev, 0xff, 0x48);
 386         spca506_WriteI2c(gspca_dev, 0xff, 0x49);
 387         spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
 388         spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
 389         spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
 390         spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
 391         spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
 392         spca506_WriteI2c(gspca_dev, 0xff, 0x4f);
 393         spca506_WriteI2c(gspca_dev, 0xff, 0x50);
 394         spca506_WriteI2c(gspca_dev, 0xff, 0x51);
 395         spca506_WriteI2c(gspca_dev, 0xff, 0x52);
 396         spca506_WriteI2c(gspca_dev, 0xff, 0x53);
 397         spca506_WriteI2c(gspca_dev, 0xff, 0x54);
 398         spca506_WriteI2c(gspca_dev, 0xff, 0x55);
 399         spca506_WriteI2c(gspca_dev, 0xff, 0x56);
 400         spca506_WriteI2c(gspca_dev, 0xff, 0x57);
 401         spca506_WriteI2c(gspca_dev, 0x00, 0x58);
 402         spca506_WriteI2c(gspca_dev, 0x54, 0x59);
 403         spca506_WriteI2c(gspca_dev, 0x07, 0x5a);
 404         spca506_WriteI2c(gspca_dev, 0x83, 0x5b);
 405         spca506_WriteI2c(gspca_dev, 0x00, 0x5c);
 406         spca506_WriteI2c(gspca_dev, 0x00, 0x5d);
 407         spca506_WriteI2c(gspca_dev, 0x00, 0x5e);
 408         spca506_WriteI2c(gspca_dev, 0x00, 0x5f);
 409         spca506_WriteI2c(gspca_dev, 0x00, 0x60);
 410         spca506_WriteI2c(gspca_dev, 0x05, 0x61);
 411         spca506_WriteI2c(gspca_dev, 0x9f, 0x62);
 412         /**************************************/
 413         reg_w(dev, 0x05, 0x00, 0x0003);
 414         reg_w(dev, 0x05, 0x00, 0x0004);
 415         reg_w(dev, 0x03, 0x10, 0x0001);
 416         reg_w(dev, 0x03, 0x78, 0x0000);
 417         switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
 418         case 0:
 419                 spca506_Setsize(gspca_dev, 0, 0x10, 0x10);
 420                 break;
 421         case 1:
 422                 spca506_Setsize(gspca_dev, 1, 0x1a, 0x1a);
 423                 break;
 424         case 2:
 425                 spca506_Setsize(gspca_dev, 2, 0x1c, 0x1c);
 426                 break;
 427         case 4:
 428                 spca506_Setsize(gspca_dev, 4, 0x34, 0x34);
 429                 break;
 430         default:
 431 /*      case 5: */
 432                 spca506_Setsize(gspca_dev, 5, 0x40, 0x40);
 433                 break;
 434         }
 435 
 436         /* compress setting and size */
 437         /* set i2c luma */
 438         reg_w(dev, 0x02, 0x01, 0x0000);
 439         reg_w(dev, 0x03, 0x12, 0x0000);
 440         reg_r(gspca_dev, 0x04, 0x0001, 2);
 441         gspca_dbg(gspca_dev, D_STREAM, "webcam started\n");
 442         spca506_GetNormeInput(gspca_dev, &norme, &channel);
 443         spca506_SetNormeInput(gspca_dev, norme, channel);
 444         return 0;
 445 }
 446 
 447 static void sd_stopN(struct gspca_dev *gspca_dev)
 448 {
 449         struct usb_device *dev = gspca_dev->dev;
 450 
 451         reg_w(dev, 0x02, 0x00, 0x0000);
 452         reg_w(dev, 0x03, 0x00, 0x0004);
 453         reg_w(dev, 0x03, 0x00, 0x0003);
 454 }
 455 
 456 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 457                         u8 *data,                       /* isoc packet */
 458                         int len)                        /* iso packet length */
 459 {
 460         switch (data[0]) {
 461         case 0:                         /* start of frame */
 462                 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
 463                 data += SPCA50X_OFFSET_DATA;
 464                 len -= SPCA50X_OFFSET_DATA;
 465                 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
 466                 break;
 467         case 0xff:                      /* drop */
 468 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 469                 break;
 470         default:
 471                 data += 1;
 472                 len -= 1;
 473                 gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
 474                 break;
 475         }
 476 }
 477 
 478 static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
 479 {
 480         spca506_Initi2c(gspca_dev);
 481         spca506_WriteI2c(gspca_dev, val, SAA7113_bright);
 482         spca506_WriteI2c(gspca_dev, 0x01, 0x09);
 483 }
 484 
 485 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
 486 {
 487         spca506_Initi2c(gspca_dev);
 488         spca506_WriteI2c(gspca_dev, val, SAA7113_contrast);
 489         spca506_WriteI2c(gspca_dev, 0x01, 0x09);
 490 }
 491 
 492 static void setcolors(struct gspca_dev *gspca_dev, s32 val)
 493 {
 494         spca506_Initi2c(gspca_dev);
 495         spca506_WriteI2c(gspca_dev, val, SAA7113_saturation);
 496         spca506_WriteI2c(gspca_dev, 0x01, 0x09);
 497 }
 498 
 499 static void sethue(struct gspca_dev *gspca_dev, s32 val)
 500 {
 501         spca506_Initi2c(gspca_dev);
 502         spca506_WriteI2c(gspca_dev, val, SAA7113_hue);
 503         spca506_WriteI2c(gspca_dev, 0x01, 0x09);
 504 }
 505 
 506 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
 507 {
 508         struct gspca_dev *gspca_dev =
 509                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
 510 
 511         gspca_dev->usb_err = 0;
 512 
 513         if (!gspca_dev->streaming)
 514                 return 0;
 515 
 516         switch (ctrl->id) {
 517         case V4L2_CID_BRIGHTNESS:
 518                 setbrightness(gspca_dev, ctrl->val);
 519                 break;
 520         case V4L2_CID_CONTRAST:
 521                 setcontrast(gspca_dev, ctrl->val);
 522                 break;
 523         case V4L2_CID_SATURATION:
 524                 setcolors(gspca_dev, ctrl->val);
 525                 break;
 526         case V4L2_CID_HUE:
 527                 sethue(gspca_dev, ctrl->val);
 528                 break;
 529         }
 530         return gspca_dev->usb_err;
 531 }
 532 
 533 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 534         .s_ctrl = sd_s_ctrl,
 535 };
 536 
 537 static int sd_init_controls(struct gspca_dev *gspca_dev)
 538 {
 539         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 540 
 541         gspca_dev->vdev.ctrl_handler = hdl;
 542         v4l2_ctrl_handler_init(hdl, 4);
 543         v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 544                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
 545         v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 546                         V4L2_CID_CONTRAST, 0, 255, 1, 0x47);
 547         v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 548                         V4L2_CID_SATURATION, 0, 255, 1, 0x40);
 549         v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 550                         V4L2_CID_HUE, 0, 255, 1, 0);
 551 
 552         if (hdl->error) {
 553                 pr_err("Could not initialize controls\n");
 554                 return hdl->error;
 555         }
 556         return 0;
 557 }
 558 
 559 /* sub-driver description */
 560 static const struct sd_desc sd_desc = {
 561         .name = MODULE_NAME,
 562         .config = sd_config,
 563         .init = sd_init,
 564         .init_controls = sd_init_controls,
 565         .start = sd_start,
 566         .stopN = sd_stopN,
 567         .pkt_scan = sd_pkt_scan,
 568 };
 569 
 570 /* -- module initialisation -- */
 571 static const struct usb_device_id device_table[] = {
 572         {USB_DEVICE(0x06e1, 0xa190)},
 573 /*      {USB_DEVICE(0x0733, 0x0430)}, FIXME: may be IntelPCCameraPro BRIDGE_SPCA505 */
 574         {USB_DEVICE(0x0734, 0x043b)},
 575         {USB_DEVICE(0x99fa, 0x8988)},
 576         {}
 577 };
 578 MODULE_DEVICE_TABLE(usb, device_table);
 579 
 580 /* -- device connect -- */
 581 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
 582 {
 583         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 584                                 THIS_MODULE);
 585 }
 586 
 587 static struct usb_driver sd_driver = {
 588         .name = MODULE_NAME,
 589         .id_table = device_table,
 590         .probe = sd_probe,
 591         .disconnect = gspca_disconnect,
 592 #ifdef CONFIG_PM
 593         .suspend = gspca_suspend,
 594         .resume = gspca_resume,
 595         .reset_resume = gspca_resume,
 596 #endif
 597 };
 598 
 599 module_usb_driver(sd_driver);