1/* 2 * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004) 3 * 4 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21#define MODULE_NAME "etoms" 22 23#include "gspca.h" 24 25MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); 26MODULE_DESCRIPTION("Etoms USB Camera Driver"); 27MODULE_LICENSE("GPL"); 28 29/* specific webcam descriptor */ 30struct sd { 31 struct gspca_dev gspca_dev; /* !! must be the first item */ 32 33 unsigned char brightness; 34 unsigned char contrast; 35 unsigned char colors; 36 unsigned char autogain; 37 38 char sensor; 39#define SENSOR_PAS106 0 40#define SENSOR_TAS5130CXX 1 41 signed char ag_cnt; 42#define AG_CNT_START 13 43}; 44 45/* V4L2 controls supported by the driver */ 46static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); 47static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); 48static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); 49static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); 50static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); 51static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); 52static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); 53static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); 54 55static const struct ctrl sd_ctrls[] = { 56 { 57 { 58 .id = V4L2_CID_BRIGHTNESS, 59 .type = V4L2_CTRL_TYPE_INTEGER, 60 .name = "Brightness", 61 .minimum = 1, 62 .maximum = 127, 63 .step = 1, 64#define BRIGHTNESS_DEF 63 65 .default_value = BRIGHTNESS_DEF, 66 }, 67 .set = sd_setbrightness, 68 .get = sd_getbrightness, 69 }, 70 { 71 { 72 .id = V4L2_CID_CONTRAST, 73 .type = V4L2_CTRL_TYPE_INTEGER, 74 .name = "Contrast", 75 .minimum = 0, 76 .maximum = 255, 77 .step = 1, 78#define CONTRAST_DEF 127 79 .default_value = CONTRAST_DEF, 80 }, 81 .set = sd_setcontrast, 82 .get = sd_getcontrast, 83 }, 84#define COLOR_IDX 2 85 { 86 { 87 .id = V4L2_CID_SATURATION, 88 .type = V4L2_CTRL_TYPE_INTEGER, 89 .name = "Color", 90 .minimum = 0, 91 .maximum = 15, 92 .step = 1, 93#define COLOR_DEF 7 94 .default_value = COLOR_DEF, 95 }, 96 .set = sd_setcolors, 97 .get = sd_getcolors, 98 }, 99 { 100 { 101 .id = V4L2_CID_AUTOGAIN, 102 .type = V4L2_CTRL_TYPE_BOOLEAN, 103 .name = "Auto Gain", 104 .minimum = 0, 105 .maximum = 1, 106 .step = 1, 107#define AUTOGAIN_DEF 1 108 .default_value = AUTOGAIN_DEF, 109 }, 110 .set = sd_setautogain, 111 .get = sd_getautogain, 112 }, 113}; 114 115static const struct v4l2_pix_format vga_mode[] = { 116 {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, 117 .bytesperline = 320, 118 .sizeimage = 320 * 240, 119 .colorspace = V4L2_COLORSPACE_SRGB, 120 .priv = 1}, 121/* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, 122 .bytesperline = 640, 123 .sizeimage = 640 * 480, 124 .colorspace = V4L2_COLORSPACE_SRGB, 125 .priv = 0}, */ 126}; 127 128static const struct v4l2_pix_format sif_mode[] = { 129 {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, 130 .bytesperline = 176, 131 .sizeimage = 176 * 144, 132 .colorspace = V4L2_COLORSPACE_SRGB, 133 .priv = 1}, 134 {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, 135 .bytesperline = 352, 136 .sizeimage = 352 * 288, 137 .colorspace = V4L2_COLORSPACE_SRGB, 138 .priv = 0}, 139}; 140 141#define ETOMS_ALT_SIZE_1000 12 142 143#define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */ 144#define ET_GPIO_OUT 0x05 /* Only IO data */ 145#define ET_GPIO_IN 0x06 /* Read Only IO data */ 146#define ET_RESET_ALL 0x03 147#define ET_ClCK 0x01 148#define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */ 149 150#define ET_COMP 0x12 /* Compression register */ 151#define ET_MAXQt 0x13 152#define ET_MINQt 0x14 153#define ET_COMP_VAL0 0x02 154#define ET_COMP_VAL1 0x03 155 156#define ET_REG1d 0x1d 157#define ET_REG1e 0x1e 158#define ET_REG1f 0x1f 159#define ET_REG20 0x20 160#define ET_REG21 0x21 161#define ET_REG22 0x22 162#define ET_REG23 0x23 163#define ET_REG24 0x24 164#define ET_REG25 0x25 165/* base registers for luma calculation */ 166#define ET_LUMA_CENTER 0x39 167 168#define ET_G_RED 0x4d 169#define ET_G_GREEN1 0x4e 170#define ET_G_BLUE 0x4f 171#define ET_G_GREEN2 0x50 172#define ET_G_GR_H 0x51 173#define ET_G_GB_H 0x52 174 175#define ET_O_RED 0x34 176#define ET_O_GREEN1 0x35 177#define ET_O_BLUE 0x36 178#define ET_O_GREEN2 0x37 179 180#define ET_SYNCHRO 0x68 181#define ET_STARTX 0x69 182#define ET_STARTY 0x6a 183#define ET_WIDTH_LOW 0x6b 184#define ET_HEIGTH_LOW 0x6c 185#define ET_W_H_HEIGTH 0x6d 186 187#define ET_REG6e 0x6e /* OBW */ 188#define ET_REG6f 0x6f /* OBW */ 189#define ET_REG70 0x70 /* OBW_AWB */ 190#define ET_REG71 0x71 /* OBW_AWB */ 191#define ET_REG72 0x72 /* OBW_AWB */ 192#define ET_REG73 0x73 /* Clkdelay ns */ 193#define ET_REG74 0x74 /* test pattern */ 194#define ET_REG75 0x75 /* test pattern */ 195 196#define ET_I2C_CLK 0x8c 197#define ET_PXL_CLK 0x60 198 199#define ET_I2C_BASE 0x89 200#define ET_I2C_COUNT 0x8a 201#define ET_I2C_PREFETCH 0x8b 202#define ET_I2C_REG 0x88 203#define ET_I2C_DATA7 0x87 204#define ET_I2C_DATA6 0x86 205#define ET_I2C_DATA5 0x85 206#define ET_I2C_DATA4 0x84 207#define ET_I2C_DATA3 0x83 208#define ET_I2C_DATA2 0x82 209#define ET_I2C_DATA1 0x81 210#define ET_I2C_DATA0 0x80 211 212#define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */ 213#define PAS106_REG3 0x03 /* line/frame H [11..4] */ 214#define PAS106_REG4 0x04 /* line/frame L [3..0] */ 215#define PAS106_REG5 0x05 /* exposure time line offset(default 5) */ 216#define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */ 217#define PAS106_REG7 0x07 /* signbit Dac (default 0) */ 218#define PAS106_REG9 0x09 219#define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */ 220#define PAS106_REG13 0x13 /* end i2c write */ 221 222static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; 223 224static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d }; 225 226static const __u8 I2c3[] = { 0x12, 0x05 }; 227 228static const __u8 I2c4[] = { 0x41, 0x08 }; 229 230/* read 'len' bytes to gspca_dev->usb_buf */ 231static void reg_r(struct gspca_dev *gspca_dev, 232 __u16 index, 233 __u16 len) 234{ 235 struct usb_device *dev = gspca_dev->dev; 236 237#ifdef GSPCA_DEBUG 238 if (len > USB_BUF_SZ) { 239 err("reg_r: buffer overflow"); 240 return; 241 } 242#endif 243 usb_control_msg(dev, 244 usb_rcvctrlpipe(dev, 0), 245 0, 246 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 247 0, 248 index, gspca_dev->usb_buf, len, 500); 249 PDEBUG(D_USBI, "reg read [%02x] -> %02x ..", 250 index, gspca_dev->usb_buf[0]); 251} 252 253static void reg_w_val(struct gspca_dev *gspca_dev, 254 __u16 index, 255 __u8 val) 256{ 257 struct usb_device *dev = gspca_dev->dev; 258 259 gspca_dev->usb_buf[0] = val; 260 usb_control_msg(dev, 261 usb_sndctrlpipe(dev, 0), 262 0, 263 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 264 0, 265 index, gspca_dev->usb_buf, 1, 500); 266} 267 268static void reg_w(struct gspca_dev *gspca_dev, 269 __u16 index, 270 const __u8 *buffer, 271 __u16 len) 272{ 273 struct usb_device *dev = gspca_dev->dev; 274 275#ifdef GSPCA_DEBUG 276 if (len > USB_BUF_SZ) { 277 err("reg_w: buffer overflow"); 278 return; 279 } 280 PDEBUG(D_USBO, "reg write [%02x] = %02x..", index, *buffer); 281#endif 282 memcpy(gspca_dev->usb_buf, buffer, len); 283 usb_control_msg(dev, 284 usb_sndctrlpipe(dev, 0), 285 0, 286 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 287 0, index, gspca_dev->usb_buf, len, 500); 288} 289 290static int i2c_w(struct gspca_dev *gspca_dev, 291 __u8 reg, 292 const __u8 *buffer, 293 int len, __u8 mode) 294{ 295 /* buffer should be [D0..D7] */ 296 __u8 ptchcount; 297 298 /* set the base address */ 299 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40); 300 /* sensor base for the pas106 */ 301 /* set count and prefetch */ 302 ptchcount = ((len & 0x07) << 4) | (mode & 0x03); 303 reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount); 304 /* set the register base */ 305 reg_w_val(gspca_dev, ET_I2C_REG, reg); 306 while (--len >= 0) 307 reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]); 308 return 0; 309} 310 311static int i2c_r(struct gspca_dev *gspca_dev, 312 __u8 reg) 313{ 314 /* set the base address */ 315 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40); 316 /* sensor base for the pas106 */ 317 /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */ 318 reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11); 319 reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */ 320 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */ 321 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00); 322 reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */ 323 return 0; 324} 325 326static int Et_WaitStatus(struct gspca_dev *gspca_dev) 327{ 328 int retry = 10; 329 330 while (retry--) { 331 reg_r(gspca_dev, ET_ClCK, 1); 332 if (gspca_dev->usb_buf[0] != 0) 333 return 1; 334 } 335 return 0; 336} 337 338static int et_video(struct gspca_dev *gspca_dev, 339 int on) 340{ 341 int ret; 342 343 reg_w_val(gspca_dev, ET_GPIO_OUT, 344 on ? 0x10 /* startvideo - set Bit5 */ 345 : 0); /* stopvideo */ 346 ret = Et_WaitStatus(gspca_dev); 347 if (ret != 0) 348 PDEBUG(D_ERR, "timeout video on/off"); 349 return ret; 350} 351 352static void Et_init2(struct gspca_dev *gspca_dev) 353{ 354 __u8 value; 355 static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 }; 356 357 PDEBUG(D_STREAM, "Open Init2 ET"); 358 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f); 359 reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10); 360 reg_r(gspca_dev, ET_GPIO_IN, 1); 361 reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */ 362 reg_w_val(gspca_dev, ET_CTRL, 0x1b); 363 364 /* compression et subsampling */ 365 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) 366 value = ET_COMP_VAL1; /* 320 */ 367 else 368 value = ET_COMP_VAL0; /* 640 */ 369 reg_w_val(gspca_dev, ET_COMP, value); 370 reg_w_val(gspca_dev, ET_MAXQt, 0x1f); 371 reg_w_val(gspca_dev, ET_MINQt, 0x04); 372 /* undocumented registers */ 373 reg_w_val(gspca_dev, ET_REG1d, 0xff); 374 reg_w_val(gspca_dev, ET_REG1e, 0xff); 375 reg_w_val(gspca_dev, ET_REG1f, 0xff); 376 reg_w_val(gspca_dev, ET_REG20, 0x35); 377 reg_w_val(gspca_dev, ET_REG21, 0x01); 378 reg_w_val(gspca_dev, ET_REG22, 0x00); 379 reg_w_val(gspca_dev, ET_REG23, 0xff); 380 reg_w_val(gspca_dev, ET_REG24, 0xff); 381 reg_w_val(gspca_dev, ET_REG25, 0x0f); 382 /* colors setting */ 383 reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */ 384 reg_w_val(gspca_dev, 0x31, 0x40); 385 reg_w_val(gspca_dev, 0x32, 0x00); 386 reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */ 387 reg_w_val(gspca_dev, ET_O_GREEN1, 0x00); 388 reg_w_val(gspca_dev, ET_O_BLUE, 0x00); 389 reg_w_val(gspca_dev, ET_O_GREEN2, 0x00); 390 /*************/ 391 reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */ 392 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80); 393 reg_w_val(gspca_dev, ET_G_BLUE, 0x80); 394 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80); 395 reg_w_val(gspca_dev, ET_G_GR_H, 0x00); 396 reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */ 397 /* Window control registers */ 398 reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */ 399 reg_w_val(gspca_dev, 0x62, 0x02); 400 reg_w_val(gspca_dev, 0x63, 0x03); 401 reg_w_val(gspca_dev, 0x64, 0x14); 402 reg_w_val(gspca_dev, 0x65, 0x0e); 403 reg_w_val(gspca_dev, 0x66, 0x02); 404 reg_w_val(gspca_dev, 0x67, 0x02); 405 406 /**************************************/ 407 reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */ 408 reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */ 409 reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */ 410 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80); 411 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0); 412 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */ 413 reg_w_val(gspca_dev, ET_REG6e, 0x86); 414 reg_w_val(gspca_dev, ET_REG6f, 0x01); 415 reg_w_val(gspca_dev, ET_REG70, 0x26); 416 reg_w_val(gspca_dev, ET_REG71, 0x7a); 417 reg_w_val(gspca_dev, ET_REG72, 0x01); 418 /* Clock Pattern registers ***************** */ 419 reg_w_val(gspca_dev, ET_REG73, 0x00); 420 reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */ 421 reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */ 422 /**********************************************/ 423 reg_w_val(gspca_dev, 0x8a, 0x20); 424 reg_w_val(gspca_dev, 0x8d, 0x0f); 425 reg_w_val(gspca_dev, 0x8e, 0x08); 426 /**************************************/ 427 reg_w_val(gspca_dev, 0x03, 0x08); 428 reg_w_val(gspca_dev, ET_PXL_CLK, 0x03); 429 reg_w_val(gspca_dev, 0x81, 0xff); 430 reg_w_val(gspca_dev, 0x80, 0x00); 431 reg_w_val(gspca_dev, 0x81, 0xff); 432 reg_w_val(gspca_dev, 0x80, 0x20); 433 reg_w_val(gspca_dev, 0x03, 0x01); 434 reg_w_val(gspca_dev, 0x03, 0x00); 435 reg_w_val(gspca_dev, 0x03, 0x08); 436 /********************************************/ 437 438/* reg_r(gspca_dev, ET_I2C_BASE, 1); 439 always 0x40 as the pas106 ??? */ 440 /* set the sensor */ 441 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) 442 value = 0x04; /* 320 */ 443 else /* 640 */ 444 value = 0x1e; /* 0x17 * setting PixelClock 445 * 0x03 mean 24/(3+1) = 6 Mhz 446 * 0x05 -> 24/(5+1) = 4 Mhz 447 * 0x0b -> 24/(11+1) = 2 Mhz 448 * 0x17 -> 24/(23+1) = 1 Mhz 449 */ 450 reg_w_val(gspca_dev, ET_PXL_CLK, value); 451 /* now set by fifo the FormatLine setting */ 452 reg_w(gspca_dev, 0x62, FormLine, 6); 453 454 /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */ 455 reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */ 456 reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */ 457 /* Pedro change */ 458 /* Brightness change Brith+ decrease value */ 459 /* Brigth- increase value */ 460 /* original value = 0x70; */ 461 reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */ 462 reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */ 463} 464 465static void setbrightness(struct gspca_dev *gspca_dev) 466{ 467 struct sd *sd = (struct sd *) gspca_dev; 468 int i; 469 __u8 brightness = sd->brightness; 470 471 for (i = 0; i < 4; i++) 472 reg_w_val(gspca_dev, ET_O_RED + i, brightness); 473} 474 475static void setcontrast(struct gspca_dev *gspca_dev) 476{ 477 struct sd *sd = (struct sd *) gspca_dev; 478 __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; 479 __u8 contrast = sd->contrast; 480 481 memset(RGBG, contrast, sizeof(RGBG) - 2); 482 reg_w(gspca_dev, ET_G_RED, RGBG, 6); 483} 484 485static void setcolors(struct gspca_dev *gspca_dev) 486{ 487 struct sd *sd = (struct sd *) gspca_dev; 488 __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; 489 __u8 i2cflags = 0x01; 490 /* __u8 green = 0; */ 491 __u8 colors = sd->colors; 492 493 I2cc[3] = colors; /* red */ 494 I2cc[0] = 15 - colors; /* blue */ 495 /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */ 496 /* I2cc[1] = I2cc[2] = green; */ 497 if (sd->sensor == SENSOR_PAS106) { 498 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); 499 i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1); 500 } 501/* PDEBUG(D_CONF , "Etoms red %d blue %d green %d", 502 I2cc[3], I2cc[0], green); */ 503} 504 505static void getcolors(struct gspca_dev *gspca_dev) 506{ 507 struct sd *sd = (struct sd *) gspca_dev; 508 509 if (sd->sensor == SENSOR_PAS106) { 510/* i2c_r(gspca_dev, PAS106_REG9); * blue */ 511 i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */ 512 sd->colors = gspca_dev->usb_buf[0] & 0x0f; 513 } 514} 515 516static void setautogain(struct gspca_dev *gspca_dev) 517{ 518 struct sd *sd = (struct sd *) gspca_dev; 519 520 if (sd->autogain) 521 sd->ag_cnt = AG_CNT_START; 522 else 523 sd->ag_cnt = -1; 524} 525 526static void Et_init1(struct gspca_dev *gspca_dev) 527{ 528 __u8 value; 529/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */ 530 __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 }; 531 /* try 1/120 0x6d 0xcd 0x40 */ 532/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00}; 533 * 1/60000 hmm ?? */ 534 535 PDEBUG(D_STREAM, "Open Init1 ET"); 536 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7); 537 reg_r(gspca_dev, ET_GPIO_IN, 1); 538 reg_w_val(gspca_dev, ET_RESET_ALL, 1); 539 reg_w_val(gspca_dev, ET_RESET_ALL, 0); 540 reg_w_val(gspca_dev, ET_ClCK, 0x10); 541 reg_w_val(gspca_dev, ET_CTRL, 0x19); 542 /* compression et subsampling */ 543 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) 544 value = ET_COMP_VAL1; 545 else 546 value = ET_COMP_VAL0; 547 PDEBUG(D_STREAM, "Open mode %d Compression %d", 548 gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv, 549 value); 550 reg_w_val(gspca_dev, ET_COMP, value); 551 reg_w_val(gspca_dev, ET_MAXQt, 0x1d); 552 reg_w_val(gspca_dev, ET_MINQt, 0x02); 553 /* undocumented registers */ 554 reg_w_val(gspca_dev, ET_REG1d, 0xff); 555 reg_w_val(gspca_dev, ET_REG1e, 0xff); 556 reg_w_val(gspca_dev, ET_REG1f, 0xff); 557 reg_w_val(gspca_dev, ET_REG20, 0x35); 558 reg_w_val(gspca_dev, ET_REG21, 0x01); 559 reg_w_val(gspca_dev, ET_REG22, 0x00); 560 reg_w_val(gspca_dev, ET_REG23, 0xf7); 561 reg_w_val(gspca_dev, ET_REG24, 0xff); 562 reg_w_val(gspca_dev, ET_REG25, 0x07); 563 /* colors setting */ 564 reg_w_val(gspca_dev, ET_G_RED, 0x80); 565 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80); 566 reg_w_val(gspca_dev, ET_G_BLUE, 0x80); 567 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80); 568 reg_w_val(gspca_dev, ET_G_GR_H, 0x00); 569 reg_w_val(gspca_dev, ET_G_GB_H, 0x00); 570 /* Window control registers */ 571 reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0); 572 reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */ 573 reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */ 574 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60); 575 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20); 576 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50); 577 reg_w_val(gspca_dev, ET_REG6e, 0x86); 578 reg_w_val(gspca_dev, ET_REG6f, 0x01); 579 reg_w_val(gspca_dev, ET_REG70, 0x86); 580 reg_w_val(gspca_dev, ET_REG71, 0x14); 581 reg_w_val(gspca_dev, ET_REG72, 0x00); 582 /* Clock Pattern registers */ 583 reg_w_val(gspca_dev, ET_REG73, 0x00); 584 reg_w_val(gspca_dev, ET_REG74, 0x00); 585 reg_w_val(gspca_dev, ET_REG75, 0x0a); 586 reg_w_val(gspca_dev, ET_I2C_CLK, 0x04); 587 reg_w_val(gspca_dev, ET_PXL_CLK, 0x01); 588 /* set the sensor */ 589 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { 590 I2c0[0] = 0x06; 591 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); 592 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1); 593 value = 0x06; 594 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); 595 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); 596 /* value = 0x1f; */ 597 value = 0x04; 598 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1); 599 } else { 600 I2c0[0] = 0x0a; 601 602 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); 603 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1); 604 value = 0x0a; 605 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); 606 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); 607 value = 0x04; 608 /* value = 0x10; */ 609 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1); 610 /* bit 2 enable bit 1:2 select 0 1 2 3 611 value = 0x07; * curve 0 * 612 i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1); 613 */ 614 } 615 616/* value = 0x01; */ 617/* value = 0x22; */ 618/* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */ 619 /* magnetude and sign bit for DAC */ 620 i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1); 621 /* now set by fifo the whole colors setting */ 622 reg_w(gspca_dev, ET_G_RED, GainRGBG, 6); 623 getcolors(gspca_dev); 624 setcolors(gspca_dev); 625} 626 627/* this function is called at probe time */ 628static int sd_config(struct gspca_dev *gspca_dev, 629 const struct usb_device_id *id) 630{ 631 struct sd *sd = (struct sd *) gspca_dev; 632 struct cam *cam; 633 634 cam = &gspca_dev->cam; 635 sd->sensor = id->driver_info; 636 if (sd->sensor == SENSOR_PAS106) { 637 cam->cam_mode = sif_mode; 638 cam->nmodes = ARRAY_SIZE(sif_mode); 639 } else { 640 cam->cam_mode = vga_mode; 641 cam->nmodes = ARRAY_SIZE(vga_mode); 642 gspca_dev->ctrl_dis = (1 << COLOR_IDX); 643 } 644 sd->brightness = BRIGHTNESS_DEF; 645 sd->contrast = CONTRAST_DEF; 646 sd->colors = COLOR_DEF; 647 sd->autogain = AUTOGAIN_DEF; 648 sd->ag_cnt = -1; 649 return 0; 650} 651 652/* this function is called at probe and resume time */ 653static int sd_init(struct gspca_dev *gspca_dev) 654{ 655 struct sd *sd = (struct sd *) gspca_dev; 656 657 if (sd->sensor == SENSOR_PAS106) 658 Et_init1(gspca_dev); 659 else 660 Et_init2(gspca_dev); 661 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); 662 et_video(gspca_dev, 0); /* video off */ 663 return 0; 664} 665 666/* -- start the camera -- */ 667static int sd_start(struct gspca_dev *gspca_dev) 668{ 669 struct sd *sd = (struct sd *) gspca_dev; 670 671 if (sd->sensor == SENSOR_PAS106) 672 Et_init1(gspca_dev); 673 else 674 Et_init2(gspca_dev); 675 676 setautogain(gspca_dev); 677 678 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); 679 et_video(gspca_dev, 1); /* video on */ 680 return 0; 681} 682 683static void sd_stopN(struct gspca_dev *gspca_dev) 684{ 685 et_video(gspca_dev, 0); /* video off */ 686} 687 688static __u8 Et_getgainG(struct gspca_dev *gspca_dev) 689{ 690 struct sd *sd = (struct sd *) gspca_dev; 691 692 if (sd->sensor == SENSOR_PAS106) { 693 i2c_r(gspca_dev, PAS106_REG0e); 694 PDEBUG(D_CONF, "Etoms gain G %d", gspca_dev->usb_buf[0]); 695 return gspca_dev->usb_buf[0]; 696 } 697 return 0x1f; 698} 699 700static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain) 701{ 702 struct sd *sd = (struct sd *) gspca_dev; 703 704 if (sd->sensor == SENSOR_PAS106) { 705 __u8 i2cflags = 0x01; 706 707 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); 708 i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1); 709 } 710} 711 712#define BLIMIT(bright) \ 713 (__u8)((bright > 0x1f)?0x1f:((bright < 4)?3:bright)) 714#define LIMIT(color) \ 715 (unsigned char)((color > 0xff)?0xff:((color < 0)?0:color)) 716 717static void do_autogain(struct gspca_dev *gspca_dev) 718{ 719 struct sd *sd = (struct sd *) gspca_dev; 720 __u8 luma; 721 __u8 luma_mean = 128; 722 __u8 luma_delta = 20; 723 __u8 spring = 4; 724 int Gbright; 725 __u8 r, g, b; 726 727 if (sd->ag_cnt < 0) 728 return; 729 if (--sd->ag_cnt >= 0) 730 return; 731 sd->ag_cnt = AG_CNT_START; 732 733 Gbright = Et_getgainG(gspca_dev); 734 reg_r(gspca_dev, ET_LUMA_CENTER, 4); 735 g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1; 736 r = gspca_dev->usb_buf[1]; 737 b = gspca_dev->usb_buf[2]; 738 r = ((r << 8) - (r << 4) - (r << 3)) >> 10; 739 b = ((b << 7) >> 10); 740 g = ((g << 9) + (g << 7) + (g << 5)) >> 10; 741 luma = LIMIT(r + g + b); 742 PDEBUG(D_FRAM, "Etoms luma G %d", luma); 743 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) { 744 Gbright += (luma_mean - luma) >> spring; 745 Gbright = BLIMIT(Gbright); 746 PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright); 747 Et_setgainG(gspca_dev, (__u8) Gbright); 748 } 749} 750 751#undef BLIMIT 752#undef LIMIT 753 754static void sd_pkt_scan(struct gspca_dev *gspca_dev, 755 u8 *data, /* isoc packet */ 756 int len) /* iso packet length */ 757{ 758 int seqframe; 759 760 seqframe = data[0] & 0x3f; 761 len = (int) (((data[0] & 0xc0) << 2) | data[1]); 762 if (seqframe == 0x3f) { 763 PDEBUG(D_FRAM, 764 "header packet found datalength %d !!", len); 765 PDEBUG(D_FRAM, "G %d R %d G %d B %d", 766 data[2], data[3], data[4], data[5]); 767 data += 30; 768 /* don't change datalength as the chips provided it */ 769 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); 770 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); 771 return; 772 } 773 if (len) { 774 data += 8; 775 gspca_frame_add(gspca_dev, INTER_PACKET, data, len); 776 } else { /* Drop Packet */ 777 gspca_dev->last_packet_type = DISCARD_PACKET; 778 } 779} 780 781static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) 782{ 783 struct sd *sd = (struct sd *) gspca_dev; 784 785 sd->brightness = val; 786 if (gspca_dev->streaming) 787 setbrightness(gspca_dev); 788 return 0; 789} 790 791static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) 792{ 793 struct sd *sd = (struct sd *) gspca_dev; 794 795 *val = sd->brightness; 796 return 0; 797} 798 799static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) 800{ 801 struct sd *sd = (struct sd *) gspca_dev; 802 803 sd->contrast = val; 804 if (gspca_dev->streaming) 805 setcontrast(gspca_dev); 806 return 0; 807} 808 809static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) 810{ 811 struct sd *sd = (struct sd *) gspca_dev; 812 813 *val = sd->contrast; 814 return 0; 815} 816 817static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) 818{ 819 struct sd *sd = (struct sd *) gspca_dev; 820 821 sd->colors = val; 822 if (gspca_dev->streaming) 823 setcolors(gspca_dev); 824 return 0; 825} 826 827static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) 828{ 829 struct sd *sd = (struct sd *) gspca_dev; 830 831 *val = sd->colors; 832 return 0; 833} 834 835static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) 836{ 837 struct sd *sd = (struct sd *) gspca_dev; 838 839 sd->autogain = val; 840 if (gspca_dev->streaming) 841 setautogain(gspca_dev); 842 return 0; 843} 844 845static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) 846{ 847 struct sd *sd = (struct sd *) gspca_dev; 848 849 *val = sd->autogain; 850 return 0; 851} 852 853/* sub-driver description */ 854static const struct sd_desc sd_desc = { 855 .name = MODULE_NAME, 856 .ctrls = sd_ctrls, 857 .nctrls = ARRAY_SIZE(sd_ctrls), 858 .config = sd_config, 859 .init = sd_init, 860 .start = sd_start, 861 .stopN = sd_stopN, 862 .pkt_scan = sd_pkt_scan, 863 .dq_callback = do_autogain, 864}; 865 866/* -- module initialisation -- */ 867static const struct usb_device_id device_table[] __devinitconst = { 868 {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106}, 869#if !defined CONFIG_USB_ET61X251 && !defined CONFIG_USB_ET61X251_MODULE 870 {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX}, 871#endif 872 {} 873}; 874 875MODULE_DEVICE_TABLE(usb, device_table); 876 877/* -- device connect -- */ 878static int __devinit sd_probe(struct usb_interface *intf, 879 const struct usb_device_id *id) 880{ 881 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), 882 THIS_MODULE); 883} 884 885static struct usb_driver sd_driver = { 886 .name = MODULE_NAME, 887 .id_table = device_table, 888 .probe = sd_probe, 889 .disconnect = gspca_disconnect, 890#ifdef CONFIG_PM 891 .suspend = gspca_suspend, 892 .resume = gspca_resume, 893#endif 894}; 895 896/* -- module insert / remove -- */ 897static int __init sd_mod_init(void) 898{ 899 int ret; 900 ret = usb_register(&sd_driver); 901 if (ret < 0) 902 return ret; 903 PDEBUG(D_PROBE, "registered"); 904 return 0; 905} 906 907static void __exit sd_mod_exit(void) 908{ 909 usb_deregister(&sd_driver); 910 PDEBUG(D_PROBE, "deregistered"); 911} 912 913module_init(sd_mod_init); 914module_exit(sd_mod_exit); 915