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