1 /* 2 * SPCA506 chip based cameras function 3 * M Xhaard 15/04/2004 based on different work Mark Taylor and others 4 * and my own snoopy file on a pv-321c donate by a german compagny 5 * "Firma Frank Gmbh" from Saarbruecken 6 * 7 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24 #define MODULE_NAME "spca506" 25 26 #include "gspca.h" 27 28 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); 29 MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver"); 30 MODULE_LICENSE("GPL"); 31 32 /* specific webcam descriptor */ 33 struct sd { 34 struct gspca_dev gspca_dev; /* !! must be the first item */ 35 36 char norme; 37 char channel; 38 }; 39 40 static const struct v4l2_pix_format vga_mode[] = { 41 {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, 42 .bytesperline = 160, 43 .sizeimage = 160 * 120 * 3 / 2, 44 .colorspace = V4L2_COLORSPACE_SRGB, 45 .priv = 5}, 46 {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, 47 .bytesperline = 176, 48 .sizeimage = 176 * 144 * 3 / 2, 49 .colorspace = V4L2_COLORSPACE_SRGB, 50 .priv = 4}, 51 {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, 52 .bytesperline = 320, 53 .sizeimage = 320 * 240 * 3 / 2, 54 .colorspace = V4L2_COLORSPACE_SRGB, 55 .priv = 2}, 56 {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, 57 .bytesperline = 352, 58 .sizeimage = 352 * 288 * 3 / 2, 59 .colorspace = V4L2_COLORSPACE_SRGB, 60 .priv = 1}, 61 {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, 62 .bytesperline = 640, 63 .sizeimage = 640 * 480 * 3 / 2, 64 .colorspace = V4L2_COLORSPACE_SRGB, 65 .priv = 0}, 66 }; 67 68 #define SPCA50X_OFFSET_DATA 10 69 70 #define SAA7113_bright 0x0a /* defaults 0x80 */ 71 #define SAA7113_contrast 0x0b /* defaults 0x47 */ 72 #define SAA7113_saturation 0x0c /* defaults 0x40 */ 73 #define SAA7113_hue 0x0d /* defaults 0x00 */ 74 #define SAA7113_I2C_BASE_WRITE 0x4a 75 76 /* read 'len' bytes to gspca_dev->usb_buf */ 77 static void reg_r(struct gspca_dev *gspca_dev, 78 __u16 req, 79 __u16 index, 80 __u16 length) 81 { 82 usb_control_msg(gspca_dev->dev, 83 usb_rcvctrlpipe(gspca_dev->dev, 0), 84 req, 85 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 86 0, /* value */ 87 index, gspca_dev->usb_buf, length, 88 500); 89 } 90 91 static void reg_w(struct usb_device *dev, 92 __u16 req, 93 __u16 value, 94 __u16 index) 95 { 96 usb_control_msg(dev, 97 usb_sndctrlpipe(dev, 0), 98 req, 99 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 100 value, index, 101 NULL, 0, 500); 102 } 103 104 static void spca506_Initi2c(struct gspca_dev *gspca_dev) 105 { 106 reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004); 107 } 108 109 static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur, 110 __u16 reg) 111 { 112 int retry = 60; 113 114 reg_w(gspca_dev->dev, 0x07, reg, 0x0001); 115 reg_w(gspca_dev->dev, 0x07, valeur, 0x0000); 116 while (retry--) { 117 reg_r(gspca_dev, 0x07, 0x0003, 2); 118 if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00) 119 break; 120 } 121 } 122 123 static void spca506_SetNormeInput(struct gspca_dev *gspca_dev, 124 __u16 norme, 125 __u16 channel) 126 { 127 struct sd *sd = (struct sd *) gspca_dev; 128 /* fixme: check if channel == 0..3 and 6..9 (8 values) */ 129 __u8 setbit0 = 0x00; 130 __u8 setbit1 = 0x00; 131 __u8 videomask = 0x00; 132 133 PDEBUG(D_STREAM, "** Open Set Norme **"); 134 spca506_Initi2c(gspca_dev); 135 /* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */ 136 /* Composite channel bit1 -> 1 S-video bit 1 -> 0 */ 137 /* and exclude SAA7113 reserved channel set default 0 otherwise */ 138 if (norme & V4L2_STD_NTSC) 139 setbit0 = 0x01; 140 if (channel == 4 || channel == 5 || channel > 9) 141 channel = 0; 142 if (channel < 4) 143 setbit1 = 0x02; 144 videomask = (0x48 | setbit0 | setbit1); 145 reg_w(gspca_dev->dev, 0x08, videomask, 0x0000); 146 spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02); 147 148 if (norme & V4L2_STD_NTSC) 149 spca506_WriteI2c(gspca_dev, 0x33, 0x0e); 150 /* Chrominance Control NTSC N */ 151 else if (norme & V4L2_STD_SECAM) 152 spca506_WriteI2c(gspca_dev, 0x53, 0x0e); 153 /* Chrominance Control SECAM */ 154 else 155 spca506_WriteI2c(gspca_dev, 0x03, 0x0e); 156 /* Chrominance Control PAL BGHIV */ 157 158 sd->norme = norme; 159 sd->channel = channel; 160 PDEBUG(D_STREAM, "Set Video Byte to 0x%2x", videomask); 161 PDEBUG(D_STREAM, "Set Norme: %08x Channel %d", norme, channel); 162 } 163 164 static void spca506_GetNormeInput(struct gspca_dev *gspca_dev, 165 __u16 *norme, __u16 *channel) 166 { 167 struct sd *sd = (struct sd *) gspca_dev; 168 169 /* Read the register is not so good value change so 170 we use your own copy in spca50x struct */ 171 *norme = sd->norme; 172 *channel = sd->channel; 173 PDEBUG(D_STREAM, "Get Norme: %d Channel %d", *norme, *channel); 174 } 175 176 static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code, 177 __u16 xmult, __u16 ymult) 178 { 179 struct usb_device *dev = gspca_dev->dev; 180 181 PDEBUG(D_STREAM, "** SetSize **"); 182 reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000); 183 /* Soft snap 0x40 Hard 0x41 */ 184 reg_w(dev, 0x04, 0x41, 0x0001); 185 reg_w(dev, 0x04, 0x00, 0x0002); 186 /* reserved */ 187 reg_w(dev, 0x04, 0x00, 0x0003); 188 189 /* reserved */ 190 reg_w(dev, 0x04, 0x00, 0x0004); 191 /* reserved */ 192 reg_w(dev, 0x04, 0x01, 0x0005); 193 /* reserced */ 194 reg_w(dev, 0x04, xmult, 0x0006); 195 /* reserved */ 196 reg_w(dev, 0x04, ymult, 0x0007); 197 /* compression 1 */ 198 reg_w(dev, 0x04, 0x00, 0x0008); 199 /* T=64 -> 2 */ 200 reg_w(dev, 0x04, 0x00, 0x0009); 201 /* threshold2D */ 202 reg_w(dev, 0x04, 0x21, 0x000a); 203 /* quantization */ 204 reg_w(dev, 0x04, 0x00, 0x000b); 205 } 206 207 /* this function is called at probe time */ 208 static int sd_config(struct gspca_dev *gspca_dev, 209 const struct usb_device_id *id) 210 { 211 struct cam *cam; 212 213 cam = &gspca_dev->cam; 214 cam->cam_mode = vga_mode; 215 cam->nmodes = ARRAY_SIZE(vga_mode); 216 return 0; 217 } 218 219 /* this function is called at probe and resume time */ 220 static int sd_init(struct gspca_dev *gspca_dev) 221 { 222 struct usb_device *dev = gspca_dev->dev; 223 224 reg_w(dev, 0x03, 0x00, 0x0004); 225 reg_w(dev, 0x03, 0xFF, 0x0003); 226 reg_w(dev, 0x03, 0x00, 0x0000); 227 reg_w(dev, 0x03, 0x1c, 0x0001); 228 reg_w(dev, 0x03, 0x18, 0x0001); 229 /* Init on PAL and composite input0 */ 230 spca506_SetNormeInput(gspca_dev, 0, 0); 231 reg_w(dev, 0x03, 0x1c, 0x0001); 232 reg_w(dev, 0x03, 0x18, 0x0001); 233 reg_w(dev, 0x05, 0x00, 0x0000); 234 reg_w(dev, 0x05, 0xef, 0x0001); 235 reg_w(dev, 0x05, 0x00, 0x00c1); 236 reg_w(dev, 0x05, 0x00, 0x00c2); 237 reg_w(dev, 0x06, 0x18, 0x0002); 238 reg_w(dev, 0x06, 0xf5, 0x0011); 239 reg_w(dev, 0x06, 0x02, 0x0012); 240 reg_w(dev, 0x06, 0xfb, 0x0013); 241 reg_w(dev, 0x06, 0x00, 0x0014); 242 reg_w(dev, 0x06, 0xa4, 0x0051); 243 reg_w(dev, 0x06, 0x40, 0x0052); 244 reg_w(dev, 0x06, 0x71, 0x0053); 245 reg_w(dev, 0x06, 0x40, 0x0054); 246 /************************************************/ 247 reg_w(dev, 0x03, 0x00, 0x0004); 248 reg_w(dev, 0x03, 0x00, 0x0003); 249 reg_w(dev, 0x03, 0x00, 0x0004); 250 reg_w(dev, 0x03, 0xFF, 0x0003); 251 reg_w(dev, 0x02, 0x00, 0x0000); 252 reg_w(dev, 0x03, 0x60, 0x0000); 253 reg_w(dev, 0x03, 0x18, 0x0001); 254 /* for a better reading mx :) */ 255 /*sdca506_WriteI2c(value,register) */ 256 spca506_Initi2c(gspca_dev); 257 spca506_WriteI2c(gspca_dev, 0x08, 0x01); 258 spca506_WriteI2c(gspca_dev, 0xc0, 0x02); 259 /* input composite video */ 260 spca506_WriteI2c(gspca_dev, 0x33, 0x03); 261 spca506_WriteI2c(gspca_dev, 0x00, 0x04); 262 spca506_WriteI2c(gspca_dev, 0x00, 0x05); 263 spca506_WriteI2c(gspca_dev, 0x0d, 0x06); 264 spca506_WriteI2c(gspca_dev, 0xf0, 0x07); 265 spca506_WriteI2c(gspca_dev, 0x98, 0x08); 266 spca506_WriteI2c(gspca_dev, 0x03, 0x09); 267 spca506_WriteI2c(gspca_dev, 0x80, 0x0a); 268 spca506_WriteI2c(gspca_dev, 0x47, 0x0b); 269 spca506_WriteI2c(gspca_dev, 0x48, 0x0c); 270 spca506_WriteI2c(gspca_dev, 0x00, 0x0d); 271 spca506_WriteI2c(gspca_dev, 0x03, 0x0e); /* Chroma Pal adjust */ 272 spca506_WriteI2c(gspca_dev, 0x2a, 0x0f); 273 spca506_WriteI2c(gspca_dev, 0x00, 0x10); 274 spca506_WriteI2c(gspca_dev, 0x0c, 0x11); 275 spca506_WriteI2c(gspca_dev, 0xb8, 0x12); 276 spca506_WriteI2c(gspca_dev, 0x01, 0x13); 277 spca506_WriteI2c(gspca_dev, 0x00, 0x14); 278 spca506_WriteI2c(gspca_dev, 0x00, 0x15); 279 spca506_WriteI2c(gspca_dev, 0x00, 0x16); 280 spca506_WriteI2c(gspca_dev, 0x00, 0x17); 281 spca506_WriteI2c(gspca_dev, 0x00, 0x18); 282 spca506_WriteI2c(gspca_dev, 0x00, 0x19); 283 spca506_WriteI2c(gspca_dev, 0x00, 0x1a); 284 spca506_WriteI2c(gspca_dev, 0x00, 0x1b); 285 spca506_WriteI2c(gspca_dev, 0x00, 0x1c); 286 spca506_WriteI2c(gspca_dev, 0x00, 0x1d); 287 spca506_WriteI2c(gspca_dev, 0x00, 0x1e); 288 spca506_WriteI2c(gspca_dev, 0xa1, 0x1f); 289 spca506_WriteI2c(gspca_dev, 0x02, 0x40); 290 spca506_WriteI2c(gspca_dev, 0xff, 0x41); 291 spca506_WriteI2c(gspca_dev, 0xff, 0x42); 292 spca506_WriteI2c(gspca_dev, 0xff, 0x43); 293 spca506_WriteI2c(gspca_dev, 0xff, 0x44); 294 spca506_WriteI2c(gspca_dev, 0xff, 0x45); 295 spca506_WriteI2c(gspca_dev, 0xff, 0x46); 296 spca506_WriteI2c(gspca_dev, 0xff, 0x47); 297 spca506_WriteI2c(gspca_dev, 0xff, 0x48); 298 spca506_WriteI2c(gspca_dev, 0xff, 0x49); 299 spca506_WriteI2c(gspca_dev, 0xff, 0x4a); 300 spca506_WriteI2c(gspca_dev, 0xff, 0x4b); 301 spca506_WriteI2c(gspca_dev, 0xff, 0x4c); 302 spca506_WriteI2c(gspca_dev, 0xff, 0x4d); 303 spca506_WriteI2c(gspca_dev, 0xff, 0x4e); 304 spca506_WriteI2c(gspca_dev, 0xff, 0x4f); 305 spca506_WriteI2c(gspca_dev, 0xff, 0x50); 306 spca506_WriteI2c(gspca_dev, 0xff, 0x51); 307 spca506_WriteI2c(gspca_dev, 0xff, 0x52); 308 spca506_WriteI2c(gspca_dev, 0xff, 0x53); 309 spca506_WriteI2c(gspca_dev, 0xff, 0x54); 310 spca506_WriteI2c(gspca_dev, 0xff, 0x55); 311 spca506_WriteI2c(gspca_dev, 0xff, 0x56); 312 spca506_WriteI2c(gspca_dev, 0xff, 0x57); 313 spca506_WriteI2c(gspca_dev, 0x00, 0x58); 314 spca506_WriteI2c(gspca_dev, 0x54, 0x59); 315 spca506_WriteI2c(gspca_dev, 0x07, 0x5a); 316 spca506_WriteI2c(gspca_dev, 0x83, 0x5b); 317 spca506_WriteI2c(gspca_dev, 0x00, 0x5c); 318 spca506_WriteI2c(gspca_dev, 0x00, 0x5d); 319 spca506_WriteI2c(gspca_dev, 0x00, 0x5e); 320 spca506_WriteI2c(gspca_dev, 0x00, 0x5f); 321 spca506_WriteI2c(gspca_dev, 0x00, 0x60); 322 spca506_WriteI2c(gspca_dev, 0x05, 0x61); 323 spca506_WriteI2c(gspca_dev, 0x9f, 0x62); 324 PDEBUG(D_STREAM, "** Close Init *"); 325 return 0; 326 } 327 328 static int sd_start(struct gspca_dev *gspca_dev) 329 { 330 struct usb_device *dev = gspca_dev->dev; 331 __u16 norme; 332 __u16 channel; 333 334 /**************************************/ 335 reg_w(dev, 0x03, 0x00, 0x0004); 336 reg_w(dev, 0x03, 0x00, 0x0003); 337 reg_w(dev, 0x03, 0x00, 0x0004); 338 reg_w(dev, 0x03, 0xFF, 0x0003); 339 reg_w(dev, 0x02, 0x00, 0x0000); 340 reg_w(dev, 0x03, 0x60, 0x0000); 341 reg_w(dev, 0x03, 0x18, 0x0001); 342 343 /*sdca506_WriteI2c(value,register) */ 344 spca506_Initi2c(gspca_dev); 345 spca506_WriteI2c(gspca_dev, 0x08, 0x01); /* Increment Delay */ 346 /* spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */ 347 spca506_WriteI2c(gspca_dev, 0x33, 0x03); 348 /* Analog Input Control 2 */ 349 spca506_WriteI2c(gspca_dev, 0x00, 0x04); 350 /* Analog Input Control 3 */ 351 spca506_WriteI2c(gspca_dev, 0x00, 0x05); 352 /* Analog Input Control 4 */ 353 spca506_WriteI2c(gspca_dev, 0x0d, 0x06); 354 /* Horizontal Sync Start 0xe9-0x0d */ 355 spca506_WriteI2c(gspca_dev, 0xf0, 0x07); 356 /* Horizontal Sync Stop 0x0d-0xf0 */ 357 358 spca506_WriteI2c(gspca_dev, 0x98, 0x08); /* Sync Control */ 359 /* Defaults value */ 360 spca506_WriteI2c(gspca_dev, 0x03, 0x09); /* Luminance Control */ 361 spca506_WriteI2c(gspca_dev, 0x80, 0x0a); 362 /* Luminance Brightness */ 363 spca506_WriteI2c(gspca_dev, 0x47, 0x0b); /* Luminance Contrast */ 364 spca506_WriteI2c(gspca_dev, 0x48, 0x0c); 365 /* Chrominance Saturation */ 366 spca506_WriteI2c(gspca_dev, 0x00, 0x0d); 367 /* Chrominance Hue Control */ 368 spca506_WriteI2c(gspca_dev, 0x2a, 0x0f); 369 /* Chrominance Gain Control */ 370 /**************************************/ 371 spca506_WriteI2c(gspca_dev, 0x00, 0x10); 372 /* Format/Delay Control */ 373 spca506_WriteI2c(gspca_dev, 0x0c, 0x11); /* Output Control 1 */ 374 spca506_WriteI2c(gspca_dev, 0xb8, 0x12); /* Output Control 2 */ 375 spca506_WriteI2c(gspca_dev, 0x01, 0x13); /* Output Control 3 */ 376 spca506_WriteI2c(gspca_dev, 0x00, 0x14); /* reserved */ 377 spca506_WriteI2c(gspca_dev, 0x00, 0x15); /* VGATE START */ 378 spca506_WriteI2c(gspca_dev, 0x00, 0x16); /* VGATE STOP */ 379 spca506_WriteI2c(gspca_dev, 0x00, 0x17); /* VGATE Control (MSB) */ 380 spca506_WriteI2c(gspca_dev, 0x00, 0x18); 381 spca506_WriteI2c(gspca_dev, 0x00, 0x19); 382 spca506_WriteI2c(gspca_dev, 0x00, 0x1a); 383 spca506_WriteI2c(gspca_dev, 0x00, 0x1b); 384 spca506_WriteI2c(gspca_dev, 0x00, 0x1c); 385 spca506_WriteI2c(gspca_dev, 0x00, 0x1d); 386 spca506_WriteI2c(gspca_dev, 0x00, 0x1e); 387 spca506_WriteI2c(gspca_dev, 0xa1, 0x1f); 388 spca506_WriteI2c(gspca_dev, 0x02, 0x40); 389 spca506_WriteI2c(gspca_dev, 0xff, 0x41); 390 spca506_WriteI2c(gspca_dev, 0xff, 0x42); 391 spca506_WriteI2c(gspca_dev, 0xff, 0x43); 392 spca506_WriteI2c(gspca_dev, 0xff, 0x44); 393 spca506_WriteI2c(gspca_dev, 0xff, 0x45); 394 spca506_WriteI2c(gspca_dev, 0xff, 0x46); 395 spca506_WriteI2c(gspca_dev, 0xff, 0x47); 396 spca506_WriteI2c(gspca_dev, 0xff, 0x48); 397 spca506_WriteI2c(gspca_dev, 0xff, 0x49); 398 spca506_WriteI2c(gspca_dev, 0xff, 0x4a); 399 spca506_WriteI2c(gspca_dev, 0xff, 0x4b); 400 spca506_WriteI2c(gspca_dev, 0xff, 0x4c); 401 spca506_WriteI2c(gspca_dev, 0xff, 0x4d); 402 spca506_WriteI2c(gspca_dev, 0xff, 0x4e); 403 spca506_WriteI2c(gspca_dev, 0xff, 0x4f); 404 spca506_WriteI2c(gspca_dev, 0xff, 0x50); 405 spca506_WriteI2c(gspca_dev, 0xff, 0x51); 406 spca506_WriteI2c(gspca_dev, 0xff, 0x52); 407 spca506_WriteI2c(gspca_dev, 0xff, 0x53); 408 spca506_WriteI2c(gspca_dev, 0xff, 0x54); 409 spca506_WriteI2c(gspca_dev, 0xff, 0x55); 410 spca506_WriteI2c(gspca_dev, 0xff, 0x56); 411 spca506_WriteI2c(gspca_dev, 0xff, 0x57); 412 spca506_WriteI2c(gspca_dev, 0x00, 0x58); 413 spca506_WriteI2c(gspca_dev, 0x54, 0x59); 414 spca506_WriteI2c(gspca_dev, 0x07, 0x5a); 415 spca506_WriteI2c(gspca_dev, 0x83, 0x5b); 416 spca506_WriteI2c(gspca_dev, 0x00, 0x5c); 417 spca506_WriteI2c(gspca_dev, 0x00, 0x5d); 418 spca506_WriteI2c(gspca_dev, 0x00, 0x5e); 419 spca506_WriteI2c(gspca_dev, 0x00, 0x5f); 420 spca506_WriteI2c(gspca_dev, 0x00, 0x60); 421 spca506_WriteI2c(gspca_dev, 0x05, 0x61); 422 spca506_WriteI2c(gspca_dev, 0x9f, 0x62); 423 /**************************************/ 424 reg_w(dev, 0x05, 0x00, 0x0003); 425 reg_w(dev, 0x05, 0x00, 0x0004); 426 reg_w(dev, 0x03, 0x10, 0x0001); 427 reg_w(dev, 0x03, 0x78, 0x0000); 428 switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { 429 case 0: 430 spca506_Setsize(gspca_dev, 0, 0x10, 0x10); 431 break; 432 case 1: 433 spca506_Setsize(gspca_dev, 1, 0x1a, 0x1a); 434 break; 435 case 2: 436 spca506_Setsize(gspca_dev, 2, 0x1c, 0x1c); 437 break; 438 case 4: 439 spca506_Setsize(gspca_dev, 4, 0x34, 0x34); 440 break; 441 default: 442 /* case 5: */ 443 spca506_Setsize(gspca_dev, 5, 0x40, 0x40); 444 break; 445 } 446 447 /* compress setting and size */ 448 /* set i2c luma */ 449 reg_w(dev, 0x02, 0x01, 0x0000); 450 reg_w(dev, 0x03, 0x12, 0x0000); 451 reg_r(gspca_dev, 0x04, 0x0001, 2); 452 PDEBUG(D_STREAM, "webcam started"); 453 spca506_GetNormeInput(gspca_dev, &norme, &channel); 454 spca506_SetNormeInput(gspca_dev, norme, channel); 455 return 0; 456 } 457 458 static void sd_stopN(struct gspca_dev *gspca_dev) 459 { 460 struct usb_device *dev = gspca_dev->dev; 461 462 reg_w(dev, 0x02, 0x00, 0x0000); 463 reg_w(dev, 0x03, 0x00, 0x0004); 464 reg_w(dev, 0x03, 0x00, 0x0003); 465 } 466 467 static void sd_pkt_scan(struct gspca_dev *gspca_dev, 468 u8 *data, /* isoc packet */ 469 int len) /* iso packet length */ 470 { 471 switch (data[0]) { 472 case 0: /* start of frame */ 473 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); 474 data += SPCA50X_OFFSET_DATA; 475 len -= SPCA50X_OFFSET_DATA; 476 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); 477 break; 478 case 0xff: /* drop */ 479 /* gspca_dev->last_packet_type = DISCARD_PACKET; */ 480 break; 481 default: 482 data += 1; 483 len -= 1; 484 gspca_frame_add(gspca_dev, INTER_PACKET, data, len); 485 break; 486 } 487 } 488 489 static void setbrightness(struct gspca_dev *gspca_dev, s32 val) 490 { 491 spca506_Initi2c(gspca_dev); 492 spca506_WriteI2c(gspca_dev, val, SAA7113_bright); 493 spca506_WriteI2c(gspca_dev, 0x01, 0x09); 494 } 495 496 static void setcontrast(struct gspca_dev *gspca_dev, s32 val) 497 { 498 spca506_Initi2c(gspca_dev); 499 spca506_WriteI2c(gspca_dev, val, SAA7113_contrast); 500 spca506_WriteI2c(gspca_dev, 0x01, 0x09); 501 } 502 503 static void setcolors(struct gspca_dev *gspca_dev, s32 val) 504 { 505 spca506_Initi2c(gspca_dev); 506 spca506_WriteI2c(gspca_dev, val, SAA7113_saturation); 507 spca506_WriteI2c(gspca_dev, 0x01, 0x09); 508 } 509 510 static void sethue(struct gspca_dev *gspca_dev, s32 val) 511 { 512 spca506_Initi2c(gspca_dev); 513 spca506_WriteI2c(gspca_dev, val, SAA7113_hue); 514 spca506_WriteI2c(gspca_dev, 0x01, 0x09); 515 } 516 517 static int sd_s_ctrl(struct v4l2_ctrl *ctrl) 518 { 519 struct gspca_dev *gspca_dev = 520 container_of(ctrl->handler, struct gspca_dev, ctrl_handler); 521 522 gspca_dev->usb_err = 0; 523 524 if (!gspca_dev->streaming) 525 return 0; 526 527 switch (ctrl->id) { 528 case V4L2_CID_BRIGHTNESS: 529 setbrightness(gspca_dev, ctrl->val); 530 break; 531 case V4L2_CID_CONTRAST: 532 setcontrast(gspca_dev, ctrl->val); 533 break; 534 case V4L2_CID_SATURATION: 535 setcolors(gspca_dev, ctrl->val); 536 break; 537 case V4L2_CID_HUE: 538 sethue(gspca_dev, ctrl->val); 539 break; 540 } 541 return gspca_dev->usb_err; 542 } 543 544 static const struct v4l2_ctrl_ops sd_ctrl_ops = { 545 .s_ctrl = sd_s_ctrl, 546 }; 547 548 static int sd_init_controls(struct gspca_dev *gspca_dev) 549 { 550 struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; 551 552 gspca_dev->vdev.ctrl_handler = hdl; 553 v4l2_ctrl_handler_init(hdl, 4); 554 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, 555 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 556 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, 557 V4L2_CID_CONTRAST, 0, 255, 1, 0x47); 558 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, 559 V4L2_CID_SATURATION, 0, 255, 1, 0x40); 560 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, 561 V4L2_CID_HUE, 0, 255, 1, 0); 562 563 if (hdl->error) { 564 pr_err("Could not initialize controls\n"); 565 return hdl->error; 566 } 567 return 0; 568 } 569 570 /* sub-driver description */ 571 static const struct sd_desc sd_desc = { 572 .name = MODULE_NAME, 573 .config = sd_config, 574 .init = sd_init, 575 .init_controls = sd_init_controls, 576 .start = sd_start, 577 .stopN = sd_stopN, 578 .pkt_scan = sd_pkt_scan, 579 }; 580 581 /* -- module initialisation -- */ 582 static const struct usb_device_id device_table[] = { 583 {USB_DEVICE(0x06e1, 0xa190)}, 584 /*fixme: may be IntelPCCameraPro BRIDGE_SPCA505 585 {USB_DEVICE(0x0733, 0x0430)}, */ 586 {USB_DEVICE(0x0734, 0x043b)}, 587 {USB_DEVICE(0x99fa, 0x8988)}, 588 {} 589 }; 590 MODULE_DEVICE_TABLE(usb, device_table); 591 592 /* -- device connect -- */ 593 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) 594 { 595 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), 596 THIS_MODULE); 597 } 598 599 static struct usb_driver sd_driver = { 600 .name = MODULE_NAME, 601 .id_table = device_table, 602 .probe = sd_probe, 603 .disconnect = gspca_disconnect, 604 #ifdef CONFIG_PM 605 .suspend = gspca_suspend, 606 .resume = gspca_resume, 607 .reset_resume = gspca_resume, 608 #endif 609 }; 610 611 module_usb_driver(sd_driver); 612