1 /* 2 * 3 * device driver for philips saa7134 based TV cards 4 * video4linux video interface 5 * 6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 #include <linux/init.h> 24 #include <linux/list.h> 25 #include <linux/module.h> 26 #include <linux/kernel.h> 27 #include <linux/slab.h> 28 #include <linux/sort.h> 29 30 #include "saa7134-reg.h" 31 #include "saa7134.h" 32 #include <media/v4l2-common.h> 33 #include <media/saa6588.h> 34 35 /* ------------------------------------------------------------------ */ 36 37 unsigned int video_debug; 38 static unsigned int gbuffers = 8; 39 static unsigned int noninterlaced; /* 0 */ 40 static unsigned int gbufsize = 720*576*4; 41 static unsigned int gbufsize_max = 720*576*4; 42 static char secam[] = "--"; 43 module_param(video_debug, int, 0644); 44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); 45 module_param(gbuffers, int, 0444); 46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); 47 module_param(noninterlaced, int, 0644); 48 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); 49 module_param_string(secam, secam, sizeof(secam), 0644); 50 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); 51 52 53 #define dprintk(fmt, arg...) if (video_debug&0x04) \ 54 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) 55 56 /* ------------------------------------------------------------------ */ 57 /* Defines for Video Output Port Register at address 0x191 */ 58 59 /* Bit 0: VIP code T bit polarity */ 60 61 #define VP_T_CODE_P_NON_INVERTED 0x00 62 #define VP_T_CODE_P_INVERTED 0x01 63 64 /* ------------------------------------------------------------------ */ 65 /* Defines for Video Output Port Register at address 0x195 */ 66 67 /* Bit 2: Video output clock delay control */ 68 69 #define VP_CLK_CTRL2_NOT_DELAYED 0x00 70 #define VP_CLK_CTRL2_DELAYED 0x04 71 72 /* Bit 1: Video output clock invert control */ 73 74 #define VP_CLK_CTRL1_NON_INVERTED 0x00 75 #define VP_CLK_CTRL1_INVERTED 0x02 76 77 /* ------------------------------------------------------------------ */ 78 /* Defines for Video Output Port Register at address 0x196 */ 79 80 /* Bits 2 to 0: VSYNC pin video vertical sync type */ 81 82 #define VP_VS_TYPE_MASK 0x07 83 84 #define VP_VS_TYPE_OFF 0x00 85 #define VP_VS_TYPE_V123 0x01 86 #define VP_VS_TYPE_V_ITU 0x02 87 #define VP_VS_TYPE_VGATE_L 0x03 88 #define VP_VS_TYPE_RESERVED1 0x04 89 #define VP_VS_TYPE_RESERVED2 0x05 90 #define VP_VS_TYPE_F_ITU 0x06 91 #define VP_VS_TYPE_SC_FID 0x07 92 93 /* ------------------------------------------------------------------ */ 94 /* data structs for video */ 95 96 static int video_out[][9] = { 97 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, 98 }; 99 100 static struct saa7134_format formats[] = { 101 { 102 .name = "8 bpp gray", 103 .fourcc = V4L2_PIX_FMT_GREY, 104 .depth = 8, 105 .pm = 0x06, 106 },{ 107 .name = "15 bpp RGB, le", 108 .fourcc = V4L2_PIX_FMT_RGB555, 109 .depth = 16, 110 .pm = 0x13 | 0x80, 111 },{ 112 .name = "15 bpp RGB, be", 113 .fourcc = V4L2_PIX_FMT_RGB555X, 114 .depth = 16, 115 .pm = 0x13 | 0x80, 116 .bswap = 1, 117 },{ 118 .name = "16 bpp RGB, le", 119 .fourcc = V4L2_PIX_FMT_RGB565, 120 .depth = 16, 121 .pm = 0x10 | 0x80, 122 },{ 123 .name = "16 bpp RGB, be", 124 .fourcc = V4L2_PIX_FMT_RGB565X, 125 .depth = 16, 126 .pm = 0x10 | 0x80, 127 .bswap = 1, 128 },{ 129 .name = "24 bpp RGB, le", 130 .fourcc = V4L2_PIX_FMT_BGR24, 131 .depth = 24, 132 .pm = 0x11, 133 },{ 134 .name = "24 bpp RGB, be", 135 .fourcc = V4L2_PIX_FMT_RGB24, 136 .depth = 24, 137 .pm = 0x11, 138 .bswap = 1, 139 },{ 140 .name = "32 bpp RGB, le", 141 .fourcc = V4L2_PIX_FMT_BGR32, 142 .depth = 32, 143 .pm = 0x12, 144 },{ 145 .name = "32 bpp RGB, be", 146 .fourcc = V4L2_PIX_FMT_RGB32, 147 .depth = 32, 148 .pm = 0x12, 149 .bswap = 1, 150 .wswap = 1, 151 },{ 152 .name = "4:2:2 packed, YUYV", 153 .fourcc = V4L2_PIX_FMT_YUYV, 154 .depth = 16, 155 .pm = 0x00, 156 .bswap = 1, 157 .yuv = 1, 158 },{ 159 .name = "4:2:2 packed, UYVY", 160 .fourcc = V4L2_PIX_FMT_UYVY, 161 .depth = 16, 162 .pm = 0x00, 163 .yuv = 1, 164 },{ 165 .name = "4:2:2 planar, Y-Cb-Cr", 166 .fourcc = V4L2_PIX_FMT_YUV422P, 167 .depth = 16, 168 .pm = 0x09, 169 .yuv = 1, 170 .planar = 1, 171 .hshift = 1, 172 .vshift = 0, 173 },{ 174 .name = "4:2:0 planar, Y-Cb-Cr", 175 .fourcc = V4L2_PIX_FMT_YUV420, 176 .depth = 12, 177 .pm = 0x0a, 178 .yuv = 1, 179 .planar = 1, 180 .hshift = 1, 181 .vshift = 1, 182 },{ 183 .name = "4:2:0 planar, Y-Cb-Cr", 184 .fourcc = V4L2_PIX_FMT_YVU420, 185 .depth = 12, 186 .pm = 0x0a, 187 .yuv = 1, 188 .planar = 1, 189 .uvswap = 1, 190 .hshift = 1, 191 .vshift = 1, 192 } 193 }; 194 #define FORMATS ARRAY_SIZE(formats) 195 196 #define NORM_625_50 \ 197 .h_start = 0, \ 198 .h_stop = 719, \ 199 .video_v_start = 24, \ 200 .video_v_stop = 311, \ 201 .vbi_v_start_0 = 7, \ 202 .vbi_v_stop_0 = 22, \ 203 .vbi_v_start_1 = 319, \ 204 .src_timing = 4 205 206 #define NORM_525_60 \ 207 .h_start = 0, \ 208 .h_stop = 719, \ 209 .video_v_start = 23, \ 210 .video_v_stop = 262, \ 211 .vbi_v_start_0 = 10, \ 212 .vbi_v_stop_0 = 21, \ 213 .vbi_v_start_1 = 273, \ 214 .src_timing = 7 215 216 static struct saa7134_tvnorm tvnorms[] = { 217 { 218 .name = "PAL", /* autodetect */ 219 .id = V4L2_STD_PAL, 220 NORM_625_50, 221 222 .sync_control = 0x18, 223 .luma_control = 0x40, 224 .chroma_ctrl1 = 0x81, 225 .chroma_gain = 0x2a, 226 .chroma_ctrl2 = 0x06, 227 .vgate_misc = 0x1c, 228 229 },{ 230 .name = "PAL-BG", 231 .id = V4L2_STD_PAL_BG, 232 NORM_625_50, 233 234 .sync_control = 0x18, 235 .luma_control = 0x40, 236 .chroma_ctrl1 = 0x81, 237 .chroma_gain = 0x2a, 238 .chroma_ctrl2 = 0x06, 239 .vgate_misc = 0x1c, 240 241 },{ 242 .name = "PAL-I", 243 .id = V4L2_STD_PAL_I, 244 NORM_625_50, 245 246 .sync_control = 0x18, 247 .luma_control = 0x40, 248 .chroma_ctrl1 = 0x81, 249 .chroma_gain = 0x2a, 250 .chroma_ctrl2 = 0x06, 251 .vgate_misc = 0x1c, 252 253 },{ 254 .name = "PAL-DK", 255 .id = V4L2_STD_PAL_DK, 256 NORM_625_50, 257 258 .sync_control = 0x18, 259 .luma_control = 0x40, 260 .chroma_ctrl1 = 0x81, 261 .chroma_gain = 0x2a, 262 .chroma_ctrl2 = 0x06, 263 .vgate_misc = 0x1c, 264 265 },{ 266 .name = "NTSC", 267 .id = V4L2_STD_NTSC, 268 NORM_525_60, 269 270 .sync_control = 0x59, 271 .luma_control = 0x40, 272 .chroma_ctrl1 = 0x89, 273 .chroma_gain = 0x2a, 274 .chroma_ctrl2 = 0x0e, 275 .vgate_misc = 0x18, 276 277 },{ 278 .name = "SECAM", 279 .id = V4L2_STD_SECAM, 280 NORM_625_50, 281 282 .sync_control = 0x18, 283 .luma_control = 0x1b, 284 .chroma_ctrl1 = 0xd1, 285 .chroma_gain = 0x80, 286 .chroma_ctrl2 = 0x00, 287 .vgate_misc = 0x1c, 288 289 },{ 290 .name = "SECAM-DK", 291 .id = V4L2_STD_SECAM_DK, 292 NORM_625_50, 293 294 .sync_control = 0x18, 295 .luma_control = 0x1b, 296 .chroma_ctrl1 = 0xd1, 297 .chroma_gain = 0x80, 298 .chroma_ctrl2 = 0x00, 299 .vgate_misc = 0x1c, 300 301 },{ 302 .name = "SECAM-L", 303 .id = V4L2_STD_SECAM_L, 304 NORM_625_50, 305 306 .sync_control = 0x18, 307 .luma_control = 0x1b, 308 .chroma_ctrl1 = 0xd1, 309 .chroma_gain = 0x80, 310 .chroma_ctrl2 = 0x00, 311 .vgate_misc = 0x1c, 312 313 },{ 314 .name = "SECAM-Lc", 315 .id = V4L2_STD_SECAM_LC, 316 NORM_625_50, 317 318 .sync_control = 0x18, 319 .luma_control = 0x1b, 320 .chroma_ctrl1 = 0xd1, 321 .chroma_gain = 0x80, 322 .chroma_ctrl2 = 0x00, 323 .vgate_misc = 0x1c, 324 325 },{ 326 .name = "PAL-M", 327 .id = V4L2_STD_PAL_M, 328 NORM_525_60, 329 330 .sync_control = 0x59, 331 .luma_control = 0x40, 332 .chroma_ctrl1 = 0xb9, 333 .chroma_gain = 0x2a, 334 .chroma_ctrl2 = 0x0e, 335 .vgate_misc = 0x18, 336 337 },{ 338 .name = "PAL-Nc", 339 .id = V4L2_STD_PAL_Nc, 340 NORM_625_50, 341 342 .sync_control = 0x18, 343 .luma_control = 0x40, 344 .chroma_ctrl1 = 0xa1, 345 .chroma_gain = 0x2a, 346 .chroma_ctrl2 = 0x06, 347 .vgate_misc = 0x1c, 348 349 },{ 350 .name = "PAL-60", 351 .id = V4L2_STD_PAL_60, 352 353 .h_start = 0, 354 .h_stop = 719, 355 .video_v_start = 23, 356 .video_v_stop = 262, 357 .vbi_v_start_0 = 10, 358 .vbi_v_stop_0 = 21, 359 .vbi_v_start_1 = 273, 360 .src_timing = 7, 361 362 .sync_control = 0x18, 363 .luma_control = 0x40, 364 .chroma_ctrl1 = 0x81, 365 .chroma_gain = 0x2a, 366 .chroma_ctrl2 = 0x06, 367 .vgate_misc = 0x1c, 368 } 369 }; 370 #define TVNORMS ARRAY_SIZE(tvnorms) 371 372 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0) 373 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1) 374 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2) 375 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3) 376 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4) 377 378 static const struct v4l2_queryctrl no_ctrl = { 379 .name = "42", 380 .flags = V4L2_CTRL_FLAG_DISABLED, 381 }; 382 static const struct v4l2_queryctrl video_ctrls[] = { 383 /* --- video --- */ 384 { 385 .id = V4L2_CID_BRIGHTNESS, 386 .name = "Brightness", 387 .minimum = 0, 388 .maximum = 255, 389 .step = 1, 390 .default_value = 128, 391 .type = V4L2_CTRL_TYPE_INTEGER, 392 },{ 393 .id = V4L2_CID_CONTRAST, 394 .name = "Contrast", 395 .minimum = 0, 396 .maximum = 127, 397 .step = 1, 398 .default_value = 68, 399 .type = V4L2_CTRL_TYPE_INTEGER, 400 },{ 401 .id = V4L2_CID_SATURATION, 402 .name = "Saturation", 403 .minimum = 0, 404 .maximum = 127, 405 .step = 1, 406 .default_value = 64, 407 .type = V4L2_CTRL_TYPE_INTEGER, 408 },{ 409 .id = V4L2_CID_HUE, 410 .name = "Hue", 411 .minimum = -128, 412 .maximum = 127, 413 .step = 1, 414 .default_value = 0, 415 .type = V4L2_CTRL_TYPE_INTEGER, 416 },{ 417 .id = V4L2_CID_HFLIP, 418 .name = "Mirror", 419 .minimum = 0, 420 .maximum = 1, 421 .type = V4L2_CTRL_TYPE_BOOLEAN, 422 }, 423 /* --- audio --- */ 424 { 425 .id = V4L2_CID_AUDIO_MUTE, 426 .name = "Mute", 427 .minimum = 0, 428 .maximum = 1, 429 .type = V4L2_CTRL_TYPE_BOOLEAN, 430 },{ 431 .id = V4L2_CID_AUDIO_VOLUME, 432 .name = "Volume", 433 .minimum = -15, 434 .maximum = 15, 435 .step = 1, 436 .default_value = 0, 437 .type = V4L2_CTRL_TYPE_INTEGER, 438 }, 439 /* --- private --- */ 440 { 441 .id = V4L2_CID_PRIVATE_INVERT, 442 .name = "Invert", 443 .minimum = 0, 444 .maximum = 1, 445 .type = V4L2_CTRL_TYPE_BOOLEAN, 446 },{ 447 .id = V4L2_CID_PRIVATE_Y_ODD, 448 .name = "y offset odd field", 449 .minimum = 0, 450 .maximum = 128, 451 .step = 1, 452 .default_value = 0, 453 .type = V4L2_CTRL_TYPE_INTEGER, 454 },{ 455 .id = V4L2_CID_PRIVATE_Y_EVEN, 456 .name = "y offset even field", 457 .minimum = 0, 458 .maximum = 128, 459 .step = 1, 460 .default_value = 0, 461 .type = V4L2_CTRL_TYPE_INTEGER, 462 },{ 463 .id = V4L2_CID_PRIVATE_AUTOMUTE, 464 .name = "automute", 465 .minimum = 0, 466 .maximum = 1, 467 .default_value = 1, 468 .type = V4L2_CTRL_TYPE_BOOLEAN, 469 } 470 }; 471 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls); 472 473 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id) 474 { 475 unsigned int i; 476 477 for (i = 0; i < CTRLS; i++) 478 if (video_ctrls[i].id == id) 479 return video_ctrls+i; 480 return NULL; 481 } 482 483 static struct saa7134_format* format_by_fourcc(unsigned int fourcc) 484 { 485 unsigned int i; 486 487 for (i = 0; i < FORMATS; i++) 488 if (formats[i].fourcc == fourcc) 489 return formats+i; 490 return NULL; 491 } 492 493 /* ----------------------------------------------------------------------- */ 494 /* resource management */ 495 496 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit) 497 { 498 if (fh->resources & bit) 499 /* have it already allocated */ 500 return 1; 501 502 /* is it free? */ 503 mutex_lock(&dev->lock); 504 if (dev->resources & bit) { 505 /* no, someone else uses it */ 506 mutex_unlock(&dev->lock); 507 return 0; 508 } 509 /* it's free, grab it */ 510 fh->resources |= bit; 511 dev->resources |= bit; 512 dprintk("res: get %d\n",bit); 513 mutex_unlock(&dev->lock); 514 return 1; 515 } 516 517 static int res_check(struct saa7134_fh *fh, unsigned int bit) 518 { 519 return (fh->resources & bit); 520 } 521 522 static int res_locked(struct saa7134_dev *dev, unsigned int bit) 523 { 524 return (dev->resources & bit); 525 } 526 527 static 528 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) 529 { 530 BUG_ON((fh->resources & bits) != bits); 531 532 mutex_lock(&dev->lock); 533 fh->resources &= ~bits; 534 dev->resources &= ~bits; 535 dprintk("res: put %d\n",bits); 536 mutex_unlock(&dev->lock); 537 } 538 539 /* ------------------------------------------------------------------ */ 540 541 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) 542 { 543 dprintk("set tv norm = %s\n",norm->name); 544 dev->tvnorm = norm; 545 546 /* setup cropping */ 547 dev->crop_bounds.left = norm->h_start; 548 dev->crop_defrect.left = norm->h_start; 549 dev->crop_bounds.width = norm->h_stop - norm->h_start +1; 550 dev->crop_defrect.width = norm->h_stop - norm->h_start +1; 551 552 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; 553 dev->crop_defrect.top = norm->video_v_start*2; 554 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) 555 - dev->crop_bounds.top; 556 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; 557 558 dev->crop_current = dev->crop_defrect; 559 560 saa7134_set_tvnorm_hw(dev); 561 } 562 563 static void video_mux(struct saa7134_dev *dev, int input) 564 { 565 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name); 566 dev->ctl_input = input; 567 set_tvnorm(dev, dev->tvnorm); 568 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 569 } 570 571 572 static void saa7134_set_decoder(struct saa7134_dev *dev) 573 { 574 int luma_control, sync_control, mux; 575 576 struct saa7134_tvnorm *norm = dev->tvnorm; 577 mux = card_in(dev, dev->ctl_input).vmux; 578 579 luma_control = norm->luma_control; 580 sync_control = norm->sync_control; 581 582 if (mux > 5) 583 luma_control |= 0x80; /* svideo */ 584 if (noninterlaced || dev->nosignal) 585 sync_control |= 0x20; 586 587 /* setup video decoder */ 588 saa_writeb(SAA7134_INCR_DELAY, 0x08); 589 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 590 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 591 592 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 593 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 594 saa_writeb(SAA7134_HSYNC_START, 0xeb); 595 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 596 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 597 598 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 599 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 600 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 601 602 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 603 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 604 605 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 606 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 607 608 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 609 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1); 610 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 611 612 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 613 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 614 615 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 616 saa_writeb(SAA7134_VGATE_START, 0x11); 617 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 618 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 619 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 620 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 621 } 622 623 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 624 { 625 saa7134_set_decoder(dev); 626 627 if (card_in(dev, dev->ctl_input).tv) 628 saa_call_all(dev, core, s_std, dev->tvnorm->id); 629 /* Set the correct norm for the saa6752hs. This function 630 does nothing if there is no saa6752hs. */ 631 saa_call_empress(dev, core, s_std, dev->tvnorm->id); 632 } 633 634 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) 635 { 636 static const struct { 637 int xpsc; 638 int xacl; 639 int xc2_1; 640 int xdcg; 641 int vpfy; 642 } vals[] = { 643 /* XPSC XACL XC2_1 XDCG VPFY */ 644 { 1, 0, 0, 0, 0 }, 645 { 2, 2, 1, 2, 2 }, 646 { 3, 4, 1, 3, 2 }, 647 { 4, 8, 1, 4, 2 }, 648 { 5, 8, 1, 4, 2 }, 649 { 6, 8, 1, 4, 3 }, 650 { 7, 8, 1, 4, 3 }, 651 { 8, 15, 0, 4, 3 }, 652 { 9, 15, 0, 4, 3 }, 653 { 10, 16, 1, 5, 3 }, 654 }; 655 static const int count = ARRAY_SIZE(vals); 656 int i; 657 658 for (i = 0; i < count; i++) 659 if (vals[i].xpsc == prescale) 660 break; 661 if (i == count) 662 return; 663 664 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); 665 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); 666 saa_writeb(SAA7134_LEVEL_CTRL(task), 667 (vals[i].xc2_1 << 3) | (vals[i].xdcg)); 668 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, 669 (vals[i].vpfy << 2) | vals[i].vpfy); 670 } 671 672 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) 673 { 674 int val,mirror; 675 676 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); 677 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); 678 679 mirror = (dev->ctl_mirror) ? 0x02 : 0x00; 680 if (yscale < 2048) { 681 /* LPI */ 682 dprintk("yscale LPI yscale=%d\n",yscale); 683 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); 684 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); 685 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); 686 } else { 687 /* ACM */ 688 val = 0x40 * 1024 / yscale; 689 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val); 690 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); 691 saa_writeb(SAA7134_LUMA_CONTRAST(task), val); 692 saa_writeb(SAA7134_CHROMA_SATURATION(task), val); 693 } 694 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); 695 } 696 697 static void set_size(struct saa7134_dev *dev, int task, 698 int width, int height, int interlace) 699 { 700 int prescale,xscale,yscale,y_even,y_odd; 701 int h_start, h_stop, v_start, v_stop; 702 int div = interlace ? 2 : 1; 703 704 /* setup video scaler */ 705 h_start = dev->crop_current.left; 706 v_start = dev->crop_current.top/2; 707 h_stop = (dev->crop_current.left + dev->crop_current.width -1); 708 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; 709 710 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); 711 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); 712 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); 713 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); 714 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); 715 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); 716 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); 717 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); 718 719 prescale = dev->crop_current.width / width; 720 if (0 == prescale) 721 prescale = 1; 722 xscale = 1024 * dev->crop_current.width / prescale / width; 723 yscale = 512 * div * dev->crop_current.height / height; 724 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale); 725 set_h_prescale(dev,task,prescale); 726 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); 727 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); 728 set_v_scale(dev,task,yscale); 729 730 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); 731 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); 732 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); 733 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); 734 735 /* deinterlace y offsets */ 736 y_odd = dev->ctl_y_odd; 737 y_even = dev->ctl_y_even; 738 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); 739 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); 740 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); 741 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); 742 } 743 744 /* ------------------------------------------------------------------ */ 745 746 struct cliplist { 747 __u16 position; 748 __u8 enable; 749 __u8 disable; 750 }; 751 752 static void set_cliplist(struct saa7134_dev *dev, int reg, 753 struct cliplist *cl, int entries, char *name) 754 { 755 __u8 winbits = 0; 756 int i; 757 758 for (i = 0; i < entries; i++) { 759 winbits |= cl[i].enable; 760 winbits &= ~cl[i].disable; 761 if (i < 15 && cl[i].position == cl[i+1].position) 762 continue; 763 saa_writeb(reg + 0, winbits); 764 saa_writeb(reg + 2, cl[i].position & 0xff); 765 saa_writeb(reg + 3, cl[i].position >> 8); 766 dprintk("clip: %s winbits=%02x pos=%d\n", 767 name,winbits,cl[i].position); 768 reg += 8; 769 } 770 for (; reg < 0x400; reg += 8) { 771 saa_writeb(reg+ 0, 0); 772 saa_writeb(reg + 1, 0); 773 saa_writeb(reg + 2, 0); 774 saa_writeb(reg + 3, 0); 775 } 776 } 777 778 static int clip_range(int val) 779 { 780 if (val < 0) 781 val = 0; 782 return val; 783 } 784 785 /* Sort into smallest position first order */ 786 static int cliplist_cmp(const void *a, const void *b) 787 { 788 const struct cliplist *cla = a; 789 const struct cliplist *clb = b; 790 if (cla->position < clb->position) 791 return -1; 792 if (cla->position > clb->position) 793 return 1; 794 return 0; 795 } 796 797 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, 798 int nclips, int interlace) 799 { 800 struct cliplist col[16], row[16]; 801 int cols = 0, rows = 0, i; 802 int div = interlace ? 2 : 1; 803 804 memset(col, 0, sizeof(col)); 805 memset(row, 0, sizeof(row)); 806 for (i = 0; i < nclips && i < 8; i++) { 807 col[cols].position = clip_range(clips[i].c.left); 808 col[cols].enable = (1 << i); 809 cols++; 810 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); 811 col[cols].disable = (1 << i); 812 cols++; 813 row[rows].position = clip_range(clips[i].c.top / div); 814 row[rows].enable = (1 << i); 815 rows++; 816 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) 817 / div); 818 row[rows].disable = (1 << i); 819 rows++; 820 } 821 sort(col, cols, sizeof col[0], cliplist_cmp, NULL); 822 sort(row, rows, sizeof row[0], cliplist_cmp, NULL); 823 set_cliplist(dev,0x380,col,cols,"cols"); 824 set_cliplist(dev,0x384,row,rows,"rows"); 825 return 0; 826 } 827 828 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win) 829 { 830 enum v4l2_field field; 831 int maxw, maxh; 832 833 if (NULL == dev->ovbuf.base) 834 return -EINVAL; 835 if (NULL == dev->ovfmt) 836 return -EINVAL; 837 if (win->w.width < 48 || win->w.height < 32) 838 return -EINVAL; 839 if (win->clipcount > 2048) 840 return -EINVAL; 841 842 field = win->field; 843 maxw = dev->crop_current.width; 844 maxh = dev->crop_current.height; 845 846 if (V4L2_FIELD_ANY == field) { 847 field = (win->w.height > maxh/2) 848 ? V4L2_FIELD_INTERLACED 849 : V4L2_FIELD_TOP; 850 } 851 switch (field) { 852 case V4L2_FIELD_TOP: 853 case V4L2_FIELD_BOTTOM: 854 maxh = maxh / 2; 855 break; 856 case V4L2_FIELD_INTERLACED: 857 break; 858 default: 859 return -EINVAL; 860 } 861 862 win->field = field; 863 if (win->w.width > maxw) 864 win->w.width = maxw; 865 if (win->w.height > maxh) 866 win->w.height = maxh; 867 return 0; 868 } 869 870 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) 871 { 872 unsigned long base,control,bpl; 873 int err; 874 875 err = verify_preview(dev,&fh->win); 876 if (0 != err) 877 return err; 878 879 dev->ovfield = fh->win.field; 880 dprintk("start_preview %dx%d+%d+%d %s field=%s\n", 881 fh->win.w.width,fh->win.w.height, 882 fh->win.w.left,fh->win.w.top, 883 dev->ovfmt->name,v4l2_field_names[dev->ovfield]); 884 885 /* setup window + clipping */ 886 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height, 887 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 888 setup_clipping(dev,fh->clips,fh->nclips, 889 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 890 if (dev->ovfmt->yuv) 891 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); 892 else 893 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); 894 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); 895 896 /* dma: setup channel 1 (= Video Task B) */ 897 base = (unsigned long)dev->ovbuf.base; 898 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top; 899 base += dev->ovfmt->depth/8 * fh->win.w.left; 900 bpl = dev->ovbuf.fmt.bytesperline; 901 control = SAA7134_RS_CONTROL_BURST_16; 902 if (dev->ovfmt->bswap) 903 control |= SAA7134_RS_CONTROL_BSWAP; 904 if (dev->ovfmt->wswap) 905 control |= SAA7134_RS_CONTROL_WSWAP; 906 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { 907 saa_writel(SAA7134_RS_BA1(1),base); 908 saa_writel(SAA7134_RS_BA2(1),base+bpl); 909 saa_writel(SAA7134_RS_PITCH(1),bpl*2); 910 saa_writel(SAA7134_RS_CONTROL(1),control); 911 } else { 912 saa_writel(SAA7134_RS_BA1(1),base); 913 saa_writel(SAA7134_RS_BA2(1),base); 914 saa_writel(SAA7134_RS_PITCH(1),bpl); 915 saa_writel(SAA7134_RS_CONTROL(1),control); 916 } 917 918 /* start dma */ 919 dev->ovenable = 1; 920 saa7134_set_dmabits(dev); 921 922 return 0; 923 } 924 925 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) 926 { 927 dev->ovenable = 0; 928 saa7134_set_dmabits(dev); 929 return 0; 930 } 931 932 /* ------------------------------------------------------------------ */ 933 934 static int buffer_activate(struct saa7134_dev *dev, 935 struct saa7134_buf *buf, 936 struct saa7134_buf *next) 937 { 938 unsigned long base,control,bpl; 939 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 940 941 dprintk("buffer_activate buf=%p\n",buf); 942 buf->vb.state = VIDEOBUF_ACTIVE; 943 buf->top_seen = 0; 944 945 set_size(dev,TASK_A,buf->vb.width,buf->vb.height, 946 V4L2_FIELD_HAS_BOTH(buf->vb.field)); 947 if (buf->fmt->yuv) 948 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 949 else 950 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 951 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm); 952 953 /* DMA: setup channel 0 (= Video Task A0) */ 954 base = saa7134_buffer_base(buf); 955 if (buf->fmt->planar) 956 bpl = buf->vb.width; 957 else 958 bpl = (buf->vb.width * buf->fmt->depth) / 8; 959 control = SAA7134_RS_CONTROL_BURST_16 | 960 SAA7134_RS_CONTROL_ME | 961 (buf->pt->dma >> 12); 962 if (buf->fmt->bswap) 963 control |= SAA7134_RS_CONTROL_BSWAP; 964 if (buf->fmt->wswap) 965 control |= SAA7134_RS_CONTROL_WSWAP; 966 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { 967 /* interlaced */ 968 saa_writel(SAA7134_RS_BA1(0),base); 969 saa_writel(SAA7134_RS_BA2(0),base+bpl); 970 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 971 } else { 972 /* non-interlaced */ 973 saa_writel(SAA7134_RS_BA1(0),base); 974 saa_writel(SAA7134_RS_BA2(0),base); 975 saa_writel(SAA7134_RS_PITCH(0),bpl); 976 } 977 saa_writel(SAA7134_RS_CONTROL(0),control); 978 979 if (buf->fmt->planar) { 980 /* DMA: setup channel 4+5 (= planar task A) */ 981 bpl_uv = bpl >> buf->fmt->hshift; 982 lines_uv = buf->vb.height >> buf->fmt->vshift; 983 base2 = base + bpl * buf->vb.height; 984 base3 = base2 + bpl_uv * lines_uv; 985 if (buf->fmt->uvswap) 986 tmp = base2, base2 = base3, base3 = tmp; 987 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 988 bpl_uv,lines_uv,base2,base3); 989 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { 990 /* interlaced */ 991 saa_writel(SAA7134_RS_BA1(4),base2); 992 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 993 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 994 saa_writel(SAA7134_RS_BA1(5),base3); 995 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 996 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 997 } else { 998 /* non-interlaced */ 999 saa_writel(SAA7134_RS_BA1(4),base2); 1000 saa_writel(SAA7134_RS_BA2(4),base2); 1001 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 1002 saa_writel(SAA7134_RS_BA1(5),base3); 1003 saa_writel(SAA7134_RS_BA2(5),base3); 1004 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 1005 } 1006 saa_writel(SAA7134_RS_CONTROL(4),control); 1007 saa_writel(SAA7134_RS_CONTROL(5),control); 1008 } 1009 1010 /* start DMA */ 1011 saa7134_set_dmabits(dev); 1012 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT); 1013 return 0; 1014 } 1015 1016 static int buffer_prepare(struct videobuf_queue *q, 1017 struct videobuf_buffer *vb, 1018 enum v4l2_field field) 1019 { 1020 struct saa7134_fh *fh = q->priv_data; 1021 struct saa7134_dev *dev = fh->dev; 1022 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1023 unsigned int size; 1024 int err; 1025 1026 /* sanity checks */ 1027 if (NULL == fh->fmt) 1028 return -EINVAL; 1029 if (fh->width < 48 || 1030 fh->height < 32 || 1031 fh->width/4 > dev->crop_current.width || 1032 fh->height/4 > dev->crop_current.height || 1033 fh->width > dev->crop_bounds.width || 1034 fh->height > dev->crop_bounds.height) 1035 return -EINVAL; 1036 size = (fh->width * fh->height * fh->fmt->depth) >> 3; 1037 if (0 != buf->vb.baddr && buf->vb.bsize < size) 1038 return -EINVAL; 1039 1040 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n", 1041 vb->i,fh->width,fh->height,size,v4l2_field_names[field], 1042 fh->fmt->name); 1043 if (buf->vb.width != fh->width || 1044 buf->vb.height != fh->height || 1045 buf->vb.size != size || 1046 buf->vb.field != field || 1047 buf->fmt != fh->fmt) { 1048 saa7134_dma_free(q,buf); 1049 } 1050 1051 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 1052 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 1053 1054 buf->vb.width = fh->width; 1055 buf->vb.height = fh->height; 1056 buf->vb.size = size; 1057 buf->vb.field = field; 1058 buf->fmt = fh->fmt; 1059 buf->pt = &fh->pt_cap; 1060 dev->video_q.curr = NULL; 1061 1062 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf); 1063 if (err) 1064 goto oops; 1065 err = saa7134_pgtable_build(dev->pci,buf->pt, 1066 dma->sglist, 1067 dma->sglen, 1068 saa7134_buffer_startpage(buf)); 1069 if (err) 1070 goto oops; 1071 } 1072 buf->vb.state = VIDEOBUF_PREPARED; 1073 buf->activate = buffer_activate; 1074 return 0; 1075 1076 oops: 1077 saa7134_dma_free(q,buf); 1078 return err; 1079 } 1080 1081 static int 1082 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) 1083 { 1084 struct saa7134_fh *fh = q->priv_data; 1085 1086 *size = fh->fmt->depth * fh->width * fh->height >> 3; 1087 if (0 == *count) 1088 *count = gbuffers; 1089 *count = saa7134_buffer_count(*size,*count); 1090 return 0; 1091 } 1092 1093 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) 1094 { 1095 struct saa7134_fh *fh = q->priv_data; 1096 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1097 1098 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf); 1099 } 1100 1101 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 1102 { 1103 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1104 1105 saa7134_dma_free(q,buf); 1106 } 1107 1108 static struct videobuf_queue_ops video_qops = { 1109 .buf_setup = buffer_setup, 1110 .buf_prepare = buffer_prepare, 1111 .buf_queue = buffer_queue, 1112 .buf_release = buffer_release, 1113 }; 1114 1115 /* ------------------------------------------------------------------ */ 1116 1117 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) 1118 { 1119 const struct v4l2_queryctrl* ctrl; 1120 1121 ctrl = ctrl_by_id(c->id); 1122 if (NULL == ctrl) 1123 return -EINVAL; 1124 switch (c->id) { 1125 case V4L2_CID_BRIGHTNESS: 1126 c->value = dev->ctl_bright; 1127 break; 1128 case V4L2_CID_HUE: 1129 c->value = dev->ctl_hue; 1130 break; 1131 case V4L2_CID_CONTRAST: 1132 c->value = dev->ctl_contrast; 1133 break; 1134 case V4L2_CID_SATURATION: 1135 c->value = dev->ctl_saturation; 1136 break; 1137 case V4L2_CID_AUDIO_MUTE: 1138 c->value = dev->ctl_mute; 1139 break; 1140 case V4L2_CID_AUDIO_VOLUME: 1141 c->value = dev->ctl_volume; 1142 break; 1143 case V4L2_CID_PRIVATE_INVERT: 1144 c->value = dev->ctl_invert; 1145 break; 1146 case V4L2_CID_HFLIP: 1147 c->value = dev->ctl_mirror; 1148 break; 1149 case V4L2_CID_PRIVATE_Y_EVEN: 1150 c->value = dev->ctl_y_even; 1151 break; 1152 case V4L2_CID_PRIVATE_Y_ODD: 1153 c->value = dev->ctl_y_odd; 1154 break; 1155 case V4L2_CID_PRIVATE_AUTOMUTE: 1156 c->value = dev->ctl_automute; 1157 break; 1158 default: 1159 return -EINVAL; 1160 } 1161 return 0; 1162 } 1163 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal); 1164 1165 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) 1166 { 1167 struct saa7134_fh *fh = priv; 1168 1169 return saa7134_g_ctrl_internal(fh->dev, fh, c); 1170 } 1171 1172 int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) 1173 { 1174 const struct v4l2_queryctrl* ctrl; 1175 unsigned long flags; 1176 int restart_overlay = 0; 1177 int err; 1178 1179 err = -EINVAL; 1180 1181 mutex_lock(&dev->lock); 1182 1183 ctrl = ctrl_by_id(c->id); 1184 if (NULL == ctrl) 1185 goto error; 1186 1187 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value); 1188 switch (ctrl->type) { 1189 case V4L2_CTRL_TYPE_BOOLEAN: 1190 case V4L2_CTRL_TYPE_MENU: 1191 case V4L2_CTRL_TYPE_INTEGER: 1192 if (c->value < ctrl->minimum) 1193 c->value = ctrl->minimum; 1194 if (c->value > ctrl->maximum) 1195 c->value = ctrl->maximum; 1196 break; 1197 default: 1198 /* nothing */; 1199 } 1200 switch (c->id) { 1201 case V4L2_CID_BRIGHTNESS: 1202 dev->ctl_bright = c->value; 1203 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 1204 break; 1205 case V4L2_CID_HUE: 1206 dev->ctl_hue = c->value; 1207 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 1208 break; 1209 case V4L2_CID_CONTRAST: 1210 dev->ctl_contrast = c->value; 1211 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1212 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1213 break; 1214 case V4L2_CID_SATURATION: 1215 dev->ctl_saturation = c->value; 1216 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1217 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1218 break; 1219 case V4L2_CID_AUDIO_MUTE: 1220 dev->ctl_mute = c->value; 1221 saa7134_tvaudio_setmute(dev); 1222 break; 1223 case V4L2_CID_AUDIO_VOLUME: 1224 dev->ctl_volume = c->value; 1225 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1226 break; 1227 case V4L2_CID_PRIVATE_INVERT: 1228 dev->ctl_invert = c->value; 1229 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1230 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1231 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1232 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1233 break; 1234 case V4L2_CID_HFLIP: 1235 dev->ctl_mirror = c->value; 1236 restart_overlay = 1; 1237 break; 1238 case V4L2_CID_PRIVATE_Y_EVEN: 1239 dev->ctl_y_even = c->value; 1240 restart_overlay = 1; 1241 break; 1242 case V4L2_CID_PRIVATE_Y_ODD: 1243 dev->ctl_y_odd = c->value; 1244 restart_overlay = 1; 1245 break; 1246 case V4L2_CID_PRIVATE_AUTOMUTE: 1247 { 1248 struct v4l2_priv_tun_config tda9887_cfg; 1249 1250 tda9887_cfg.tuner = TUNER_TDA9887; 1251 tda9887_cfg.priv = &dev->tda9887_conf; 1252 1253 dev->ctl_automute = c->value; 1254 if (dev->tda9887_conf) { 1255 if (dev->ctl_automute) 1256 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1257 else 1258 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1259 1260 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1261 } 1262 break; 1263 } 1264 default: 1265 goto error; 1266 } 1267 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) { 1268 spin_lock_irqsave(&dev->slock,flags); 1269 stop_preview(dev,fh); 1270 start_preview(dev,fh); 1271 spin_unlock_irqrestore(&dev->slock,flags); 1272 } 1273 err = 0; 1274 1275 error: 1276 mutex_unlock(&dev->lock); 1277 return err; 1278 } 1279 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal); 1280 1281 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c) 1282 { 1283 struct saa7134_fh *fh = f; 1284 1285 return saa7134_s_ctrl_internal(fh->dev, fh, c); 1286 } 1287 1288 /* ------------------------------------------------------------------ */ 1289 1290 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh) 1291 { 1292 struct videobuf_queue* q = NULL; 1293 1294 switch (fh->type) { 1295 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1296 q = &fh->cap; 1297 break; 1298 case V4L2_BUF_TYPE_VBI_CAPTURE: 1299 q = &fh->vbi; 1300 break; 1301 default: 1302 BUG(); 1303 } 1304 return q; 1305 } 1306 1307 static int saa7134_resource(struct saa7134_fh *fh) 1308 { 1309 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 1310 return RESOURCE_VIDEO; 1311 1312 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 1313 return RESOURCE_VBI; 1314 1315 BUG(); 1316 return 0; 1317 } 1318 1319 static int video_open(struct file *file) 1320 { 1321 struct video_device *vdev = video_devdata(file); 1322 struct saa7134_dev *dev = video_drvdata(file); 1323 struct saa7134_fh *fh; 1324 enum v4l2_buf_type type = 0; 1325 int radio = 0; 1326 1327 switch (vdev->vfl_type) { 1328 case VFL_TYPE_GRABBER: 1329 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1330 break; 1331 case VFL_TYPE_VBI: 1332 type = V4L2_BUF_TYPE_VBI_CAPTURE; 1333 break; 1334 case VFL_TYPE_RADIO: 1335 radio = 1; 1336 break; 1337 } 1338 1339 dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev), 1340 radio, v4l2_type_names[type]); 1341 1342 /* allocate + initialize per filehandle data */ 1343 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 1344 if (NULL == fh) 1345 return -ENOMEM; 1346 1347 v4l2_fh_init(&fh->fh, vdev); 1348 file->private_data = fh; 1349 fh->dev = dev; 1350 fh->radio = radio; 1351 fh->type = type; 1352 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 1353 fh->width = 720; 1354 fh->height = 576; 1355 1356 videobuf_queue_sg_init(&fh->cap, &video_qops, 1357 &dev->pci->dev, &dev->slock, 1358 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1359 V4L2_FIELD_INTERLACED, 1360 sizeof(struct saa7134_buf), 1361 fh, NULL); 1362 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops, 1363 &dev->pci->dev, &dev->slock, 1364 V4L2_BUF_TYPE_VBI_CAPTURE, 1365 V4L2_FIELD_SEQ_TB, 1366 sizeof(struct saa7134_buf), 1367 fh, NULL); 1368 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap); 1369 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi); 1370 1371 if (fh->radio) { 1372 /* switch to radio mode */ 1373 saa7134_tvaudio_setinput(dev,&card(dev).radio); 1374 saa_call_all(dev, tuner, s_radio); 1375 } else { 1376 /* switch to video/vbi mode */ 1377 video_mux(dev,dev->ctl_input); 1378 } 1379 v4l2_fh_add(&fh->fh); 1380 1381 return 0; 1382 } 1383 1384 static ssize_t 1385 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 1386 { 1387 struct saa7134_fh *fh = file->private_data; 1388 1389 switch (fh->type) { 1390 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1391 if (res_locked(fh->dev,RESOURCE_VIDEO)) 1392 return -EBUSY; 1393 return videobuf_read_one(saa7134_queue(fh), 1394 data, count, ppos, 1395 file->f_flags & O_NONBLOCK); 1396 case V4L2_BUF_TYPE_VBI_CAPTURE: 1397 if (!res_get(fh->dev,fh,RESOURCE_VBI)) 1398 return -EBUSY; 1399 return videobuf_read_stream(saa7134_queue(fh), 1400 data, count, ppos, 1, 1401 file->f_flags & O_NONBLOCK); 1402 break; 1403 default: 1404 BUG(); 1405 return 0; 1406 } 1407 } 1408 1409 static unsigned int 1410 video_poll(struct file *file, struct poll_table_struct *wait) 1411 { 1412 struct saa7134_fh *fh = file->private_data; 1413 struct videobuf_buffer *buf = NULL; 1414 unsigned int rc = 0; 1415 1416 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) 1417 return videobuf_poll_stream(file, &fh->vbi, wait); 1418 1419 if (res_check(fh,RESOURCE_VIDEO)) { 1420 mutex_lock(&fh->cap.vb_lock); 1421 if (!list_empty(&fh->cap.stream)) 1422 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); 1423 } else { 1424 mutex_lock(&fh->cap.vb_lock); 1425 if (UNSET == fh->cap.read_off) { 1426 /* need to capture a new frame */ 1427 if (res_locked(fh->dev,RESOURCE_VIDEO)) 1428 goto err; 1429 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) 1430 goto err; 1431 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); 1432 fh->cap.read_off = 0; 1433 } 1434 buf = fh->cap.read_buf; 1435 } 1436 1437 if (!buf) 1438 goto err; 1439 1440 poll_wait(file, &buf->done, wait); 1441 if (buf->state == VIDEOBUF_DONE || 1442 buf->state == VIDEOBUF_ERROR) 1443 rc = POLLIN|POLLRDNORM; 1444 mutex_unlock(&fh->cap.vb_lock); 1445 return rc; 1446 1447 err: 1448 mutex_unlock(&fh->cap.vb_lock); 1449 return POLLERR; 1450 } 1451 1452 static int video_release(struct file *file) 1453 { 1454 struct saa7134_fh *fh = file->private_data; 1455 struct saa7134_dev *dev = fh->dev; 1456 struct saa6588_command cmd; 1457 unsigned long flags; 1458 1459 saa7134_tvaudio_close(dev); 1460 1461 /* turn off overlay */ 1462 if (res_check(fh, RESOURCE_OVERLAY)) { 1463 spin_lock_irqsave(&dev->slock,flags); 1464 stop_preview(dev,fh); 1465 spin_unlock_irqrestore(&dev->slock,flags); 1466 res_free(dev,fh,RESOURCE_OVERLAY); 1467 } 1468 1469 /* stop video capture */ 1470 if (res_check(fh, RESOURCE_VIDEO)) { 1471 videobuf_streamoff(&fh->cap); 1472 res_free(dev,fh,RESOURCE_VIDEO); 1473 } 1474 if (fh->cap.read_buf) { 1475 buffer_release(&fh->cap,fh->cap.read_buf); 1476 kfree(fh->cap.read_buf); 1477 } 1478 1479 /* stop vbi capture */ 1480 if (res_check(fh, RESOURCE_VBI)) { 1481 videobuf_stop(&fh->vbi); 1482 res_free(dev,fh,RESOURCE_VBI); 1483 } 1484 1485 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1486 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1487 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1488 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1489 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1490 1491 saa_call_all(dev, core, s_power, 0); 1492 if (fh->radio) 1493 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1494 1495 /* free stuff */ 1496 videobuf_mmap_free(&fh->cap); 1497 videobuf_mmap_free(&fh->vbi); 1498 saa7134_pgtable_free(dev->pci,&fh->pt_cap); 1499 saa7134_pgtable_free(dev->pci,&fh->pt_vbi); 1500 1501 v4l2_fh_del(&fh->fh); 1502 v4l2_fh_exit(&fh->fh); 1503 file->private_data = NULL; 1504 kfree(fh); 1505 return 0; 1506 } 1507 1508 static int video_mmap(struct file *file, struct vm_area_struct * vma) 1509 { 1510 struct saa7134_fh *fh = file->private_data; 1511 1512 return videobuf_mmap_mapper(saa7134_queue(fh), vma); 1513 } 1514 1515 static ssize_t radio_read(struct file *file, char __user *data, 1516 size_t count, loff_t *ppos) 1517 { 1518 struct saa7134_fh *fh = file->private_data; 1519 struct saa7134_dev *dev = fh->dev; 1520 struct saa6588_command cmd; 1521 1522 cmd.block_count = count/3; 1523 cmd.buffer = data; 1524 cmd.instance = file; 1525 cmd.result = -ENODEV; 1526 1527 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1528 1529 return cmd.result; 1530 } 1531 1532 static unsigned int radio_poll(struct file *file, poll_table *wait) 1533 { 1534 struct saa7134_fh *fh = file->private_data; 1535 struct saa7134_dev *dev = fh->dev; 1536 struct saa6588_command cmd; 1537 1538 cmd.instance = file; 1539 cmd.event_list = wait; 1540 cmd.result = -ENODEV; 1541 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1542 1543 return cmd.result; 1544 } 1545 1546 /* ------------------------------------------------------------------ */ 1547 1548 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1549 struct v4l2_format *f) 1550 { 1551 struct saa7134_fh *fh = priv; 1552 struct saa7134_dev *dev = fh->dev; 1553 struct saa7134_tvnorm *norm = dev->tvnorm; 1554 1555 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1556 f->fmt.vbi.sampling_rate = 6750000 * 4; 1557 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1558 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1559 f->fmt.vbi.offset = 64 * 4; 1560 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1561 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1562 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1563 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1564 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1565 1566 return 0; 1567 } 1568 1569 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1570 struct v4l2_format *f) 1571 { 1572 struct saa7134_fh *fh = priv; 1573 1574 f->fmt.pix.width = fh->width; 1575 f->fmt.pix.height = fh->height; 1576 f->fmt.pix.field = fh->cap.field; 1577 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1578 f->fmt.pix.bytesperline = 1579 (f->fmt.pix.width * fh->fmt->depth) >> 3; 1580 f->fmt.pix.sizeimage = 1581 f->fmt.pix.height * f->fmt.pix.bytesperline; 1582 return 0; 1583 } 1584 1585 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1586 struct v4l2_format *f) 1587 { 1588 struct saa7134_fh *fh = priv; 1589 1590 if (saa7134_no_overlay > 0) { 1591 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1592 return -EINVAL; 1593 } 1594 f->fmt.win = fh->win; 1595 1596 return 0; 1597 } 1598 1599 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1600 struct v4l2_format *f) 1601 { 1602 struct saa7134_fh *fh = priv; 1603 struct saa7134_dev *dev = fh->dev; 1604 struct saa7134_format *fmt; 1605 enum v4l2_field field; 1606 unsigned int maxw, maxh; 1607 1608 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1609 if (NULL == fmt) 1610 return -EINVAL; 1611 1612 field = f->fmt.pix.field; 1613 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1614 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1615 1616 if (V4L2_FIELD_ANY == field) { 1617 field = (f->fmt.pix.height > maxh/2) 1618 ? V4L2_FIELD_INTERLACED 1619 : V4L2_FIELD_BOTTOM; 1620 } 1621 switch (field) { 1622 case V4L2_FIELD_TOP: 1623 case V4L2_FIELD_BOTTOM: 1624 maxh = maxh / 2; 1625 break; 1626 case V4L2_FIELD_INTERLACED: 1627 break; 1628 default: 1629 return -EINVAL; 1630 } 1631 1632 f->fmt.pix.field = field; 1633 if (f->fmt.pix.width < 48) 1634 f->fmt.pix.width = 48; 1635 if (f->fmt.pix.height < 32) 1636 f->fmt.pix.height = 32; 1637 if (f->fmt.pix.width > maxw) 1638 f->fmt.pix.width = maxw; 1639 if (f->fmt.pix.height > maxh) 1640 f->fmt.pix.height = maxh; 1641 f->fmt.pix.width &= ~0x03; 1642 f->fmt.pix.bytesperline = 1643 (f->fmt.pix.width * fmt->depth) >> 3; 1644 f->fmt.pix.sizeimage = 1645 f->fmt.pix.height * f->fmt.pix.bytesperline; 1646 1647 return 0; 1648 } 1649 1650 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1651 struct v4l2_format *f) 1652 { 1653 struct saa7134_fh *fh = priv; 1654 struct saa7134_dev *dev = fh->dev; 1655 1656 if (saa7134_no_overlay > 0) { 1657 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1658 return -EINVAL; 1659 } 1660 1661 return verify_preview(dev, &f->fmt.win); 1662 } 1663 1664 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1665 struct v4l2_format *f) 1666 { 1667 struct saa7134_fh *fh = priv; 1668 int err; 1669 1670 err = saa7134_try_fmt_vid_cap(file, priv, f); 1671 if (0 != err) 1672 return err; 1673 1674 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1675 fh->width = f->fmt.pix.width; 1676 fh->height = f->fmt.pix.height; 1677 fh->cap.field = f->fmt.pix.field; 1678 return 0; 1679 } 1680 1681 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1682 struct v4l2_format *f) 1683 { 1684 struct saa7134_fh *fh = priv; 1685 struct saa7134_dev *dev = fh->dev; 1686 int err; 1687 unsigned long flags; 1688 1689 if (saa7134_no_overlay > 0) { 1690 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1691 return -EINVAL; 1692 } 1693 err = verify_preview(dev, &f->fmt.win); 1694 if (0 != err) 1695 return err; 1696 1697 mutex_lock(&dev->lock); 1698 1699 fh->win = f->fmt.win; 1700 fh->nclips = f->fmt.win.clipcount; 1701 1702 if (fh->nclips > 8) 1703 fh->nclips = 8; 1704 1705 if (copy_from_user(fh->clips, f->fmt.win.clips, 1706 sizeof(struct v4l2_clip)*fh->nclips)) { 1707 mutex_unlock(&dev->lock); 1708 return -EFAULT; 1709 } 1710 1711 if (res_check(fh, RESOURCE_OVERLAY)) { 1712 spin_lock_irqsave(&dev->slock, flags); 1713 stop_preview(dev, fh); 1714 start_preview(dev, fh); 1715 spin_unlock_irqrestore(&dev->slock, flags); 1716 } 1717 1718 mutex_unlock(&dev->lock); 1719 return 0; 1720 } 1721 1722 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c) 1723 { 1724 const struct v4l2_queryctrl *ctrl; 1725 1726 if ((c->id < V4L2_CID_BASE || 1727 c->id >= V4L2_CID_LASTP1) && 1728 (c->id < V4L2_CID_PRIVATE_BASE || 1729 c->id >= V4L2_CID_PRIVATE_LASTP1)) 1730 return -EINVAL; 1731 ctrl = ctrl_by_id(c->id); 1732 *c = (NULL != ctrl) ? *ctrl : no_ctrl; 1733 return 0; 1734 } 1735 EXPORT_SYMBOL_GPL(saa7134_queryctrl); 1736 1737 static int saa7134_enum_input(struct file *file, void *priv, 1738 struct v4l2_input *i) 1739 { 1740 struct saa7134_fh *fh = priv; 1741 struct saa7134_dev *dev = fh->dev; 1742 unsigned int n; 1743 1744 n = i->index; 1745 if (n >= SAA7134_INPUT_MAX) 1746 return -EINVAL; 1747 if (NULL == card_in(dev, i->index).name) 1748 return -EINVAL; 1749 i->index = n; 1750 i->type = V4L2_INPUT_TYPE_CAMERA; 1751 strcpy(i->name, card_in(dev, n).name); 1752 if (card_in(dev, n).tv) 1753 i->type = V4L2_INPUT_TYPE_TUNER; 1754 if (n == dev->ctl_input) { 1755 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1756 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1757 1758 if (0 != (v1 & 0x40)) 1759 i->status |= V4L2_IN_ST_NO_H_LOCK; 1760 if (0 != (v2 & 0x40)) 1761 i->status |= V4L2_IN_ST_NO_SYNC; 1762 if (0 != (v2 & 0x0e)) 1763 i->status |= V4L2_IN_ST_MACROVISION; 1764 } 1765 i->std = SAA7134_NORMS; 1766 return 0; 1767 } 1768 1769 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1770 { 1771 struct saa7134_fh *fh = priv; 1772 struct saa7134_dev *dev = fh->dev; 1773 1774 *i = dev->ctl_input; 1775 return 0; 1776 } 1777 1778 static int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1779 { 1780 struct saa7134_fh *fh = priv; 1781 struct saa7134_dev *dev = fh->dev; 1782 1783 if (i >= SAA7134_INPUT_MAX) 1784 return -EINVAL; 1785 if (NULL == card_in(dev, i).name) 1786 return -EINVAL; 1787 mutex_lock(&dev->lock); 1788 video_mux(dev, i); 1789 mutex_unlock(&dev->lock); 1790 return 0; 1791 } 1792 1793 static int saa7134_querycap(struct file *file, void *priv, 1794 struct v4l2_capability *cap) 1795 { 1796 struct saa7134_fh *fh = priv; 1797 struct saa7134_dev *dev = fh->dev; 1798 struct video_device *vdev = video_devdata(file); 1799 u32 radio_caps, video_caps, vbi_caps; 1800 1801 unsigned int tuner_type = dev->tuner_type; 1802 1803 strcpy(cap->driver, "saa7134"); 1804 strlcpy(cap->card, saa7134_boards[dev->board].name, 1805 sizeof(cap->card)); 1806 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1807 1808 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1809 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1810 cap->device_caps |= V4L2_CAP_TUNER; 1811 1812 radio_caps = V4L2_CAP_RADIO; 1813 if (dev->has_rds) 1814 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1815 1816 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1817 if (saa7134_no_overlay <= 0) 1818 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1819 1820 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1821 1822 switch (vdev->vfl_type) { 1823 case VFL_TYPE_RADIO: 1824 cap->device_caps |= radio_caps; 1825 break; 1826 case VFL_TYPE_GRABBER: 1827 cap->device_caps |= video_caps; 1828 break; 1829 case VFL_TYPE_VBI: 1830 cap->device_caps |= vbi_caps; 1831 break; 1832 } 1833 cap->capabilities = radio_caps | video_caps | vbi_caps | 1834 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1835 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1836 cap->device_caps &= ~V4L2_CAP_STREAMING; 1837 if (!dev->has_rds) 1838 cap->device_caps &= ~V4L2_CAP_READWRITE; 1839 } 1840 1841 return 0; 1842 } 1843 1844 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id) 1845 { 1846 unsigned long flags; 1847 unsigned int i; 1848 v4l2_std_id fixup; 1849 1850 if (!fh && res_locked(dev, RESOURCE_OVERLAY)) { 1851 /* Don't change the std from the mpeg device 1852 if overlay is active. */ 1853 return -EBUSY; 1854 } 1855 1856 for (i = 0; i < TVNORMS; i++) 1857 if (id == tvnorms[i].id) 1858 break; 1859 1860 if (i == TVNORMS) 1861 for (i = 0; i < TVNORMS; i++) 1862 if (id & tvnorms[i].id) 1863 break; 1864 if (i == TVNORMS) 1865 return -EINVAL; 1866 1867 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1868 if (secam[0] == 'L' || secam[0] == 'l') { 1869 if (secam[1] == 'C' || secam[1] == 'c') 1870 fixup = V4L2_STD_SECAM_LC; 1871 else 1872 fixup = V4L2_STD_SECAM_L; 1873 } else { 1874 if (secam[0] == 'D' || secam[0] == 'd') 1875 fixup = V4L2_STD_SECAM_DK; 1876 else 1877 fixup = V4L2_STD_SECAM; 1878 } 1879 for (i = 0; i < TVNORMS; i++) { 1880 if (fixup == tvnorms[i].id) 1881 break; 1882 } 1883 if (i == TVNORMS) 1884 return -EINVAL; 1885 } 1886 1887 id = tvnorms[i].id; 1888 1889 mutex_lock(&dev->lock); 1890 if (fh && res_check(fh, RESOURCE_OVERLAY)) { 1891 spin_lock_irqsave(&dev->slock, flags); 1892 stop_preview(dev, fh); 1893 spin_unlock_irqrestore(&dev->slock, flags); 1894 1895 set_tvnorm(dev, &tvnorms[i]); 1896 1897 spin_lock_irqsave(&dev->slock, flags); 1898 start_preview(dev, fh); 1899 spin_unlock_irqrestore(&dev->slock, flags); 1900 } else 1901 set_tvnorm(dev, &tvnorms[i]); 1902 1903 saa7134_tvaudio_do_scan(dev); 1904 mutex_unlock(&dev->lock); 1905 return 0; 1906 } 1907 EXPORT_SYMBOL_GPL(saa7134_s_std_internal); 1908 1909 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1910 { 1911 struct saa7134_fh *fh = priv; 1912 1913 return saa7134_s_std_internal(fh->dev, fh, id); 1914 } 1915 1916 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1917 { 1918 struct saa7134_fh *fh = priv; 1919 struct saa7134_dev *dev = fh->dev; 1920 1921 *id = dev->tvnorm->id; 1922 return 0; 1923 } 1924 1925 static int saa7134_cropcap(struct file *file, void *priv, 1926 struct v4l2_cropcap *cap) 1927 { 1928 struct saa7134_fh *fh = priv; 1929 struct saa7134_dev *dev = fh->dev; 1930 1931 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1932 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1933 return -EINVAL; 1934 cap->bounds = dev->crop_bounds; 1935 cap->defrect = dev->crop_defrect; 1936 cap->pixelaspect.numerator = 1; 1937 cap->pixelaspect.denominator = 1; 1938 if (dev->tvnorm->id & V4L2_STD_525_60) { 1939 cap->pixelaspect.numerator = 11; 1940 cap->pixelaspect.denominator = 10; 1941 } 1942 if (dev->tvnorm->id & V4L2_STD_625_50) { 1943 cap->pixelaspect.numerator = 54; 1944 cap->pixelaspect.denominator = 59; 1945 } 1946 return 0; 1947 } 1948 1949 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1950 { 1951 struct saa7134_fh *fh = f; 1952 struct saa7134_dev *dev = fh->dev; 1953 1954 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1955 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1956 return -EINVAL; 1957 crop->c = dev->crop_current; 1958 return 0; 1959 } 1960 1961 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1962 { 1963 struct saa7134_fh *fh = f; 1964 struct saa7134_dev *dev = fh->dev; 1965 struct v4l2_rect *b = &dev->crop_bounds; 1966 struct v4l2_rect *c = &dev->crop_current; 1967 1968 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1969 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1970 return -EINVAL; 1971 if (crop->c.height < 0) 1972 return -EINVAL; 1973 if (crop->c.width < 0) 1974 return -EINVAL; 1975 1976 if (res_locked(fh->dev, RESOURCE_OVERLAY)) 1977 return -EBUSY; 1978 if (res_locked(fh->dev, RESOURCE_VIDEO)) 1979 return -EBUSY; 1980 1981 *c = crop->c; 1982 if (c->top < b->top) 1983 c->top = b->top; 1984 if (c->top > b->top + b->height) 1985 c->top = b->top + b->height; 1986 if (c->height > b->top - c->top + b->height) 1987 c->height = b->top - c->top + b->height; 1988 1989 if (c->left < b->left) 1990 c->left = b->left; 1991 if (c->left > b->left + b->width) 1992 c->left = b->left + b->width; 1993 if (c->width > b->left - c->left + b->width) 1994 c->width = b->left - c->left + b->width; 1995 return 0; 1996 } 1997 1998 static int saa7134_g_tuner(struct file *file, void *priv, 1999 struct v4l2_tuner *t) 2000 { 2001 struct saa7134_fh *fh = priv; 2002 struct saa7134_dev *dev = fh->dev; 2003 int n; 2004 2005 if (0 != t->index) 2006 return -EINVAL; 2007 memset(t, 0, sizeof(*t)); 2008 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 2009 if (card_in(dev, n).tv) 2010 break; 2011 } 2012 if (n == SAA7134_INPUT_MAX) 2013 return -EINVAL; 2014 if (NULL != card_in(dev, n).name) { 2015 strcpy(t->name, "Television"); 2016 t->type = V4L2_TUNER_ANALOG_TV; 2017 saa_call_all(dev, tuner, g_tuner, t); 2018 t->capability = V4L2_TUNER_CAP_NORM | 2019 V4L2_TUNER_CAP_STEREO | 2020 V4L2_TUNER_CAP_LANG1 | 2021 V4L2_TUNER_CAP_LANG2; 2022 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 2023 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 2024 } 2025 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 2026 t->signal = 0xffff; 2027 return 0; 2028 } 2029 2030 static int saa7134_s_tuner(struct file *file, void *priv, 2031 const struct v4l2_tuner *t) 2032 { 2033 struct saa7134_fh *fh = priv; 2034 struct saa7134_dev *dev = fh->dev; 2035 int rx, mode; 2036 2037 if (0 != t->index) 2038 return -EINVAL; 2039 2040 mode = dev->thread.mode; 2041 if (UNSET == mode) { 2042 rx = saa7134_tvaudio_getstereo(dev); 2043 mode = saa7134_tvaudio_rx2mode(rx); 2044 } 2045 if (mode != t->audmode) 2046 dev->thread.mode = t->audmode; 2047 2048 return 0; 2049 } 2050 2051 static int saa7134_g_frequency(struct file *file, void *priv, 2052 struct v4l2_frequency *f) 2053 { 2054 struct saa7134_fh *fh = priv; 2055 struct saa7134_dev *dev = fh->dev; 2056 2057 if (0 != f->tuner) 2058 return -EINVAL; 2059 2060 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 2061 saa_call_all(dev, tuner, g_frequency, f); 2062 2063 return 0; 2064 } 2065 2066 static int saa7134_s_frequency(struct file *file, void *priv, 2067 const struct v4l2_frequency *f) 2068 { 2069 struct saa7134_fh *fh = priv; 2070 struct saa7134_dev *dev = fh->dev; 2071 2072 if (0 != f->tuner) 2073 return -EINVAL; 2074 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) 2075 return -EINVAL; 2076 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) 2077 return -EINVAL; 2078 mutex_lock(&dev->lock); 2079 2080 saa_call_all(dev, tuner, s_frequency, f); 2081 2082 saa7134_tvaudio_do_scan(dev); 2083 mutex_unlock(&dev->lock); 2084 return 0; 2085 } 2086 2087 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 2088 struct v4l2_fmtdesc *f) 2089 { 2090 if (f->index >= FORMATS) 2091 return -EINVAL; 2092 2093 strlcpy(f->description, formats[f->index].name, 2094 sizeof(f->description)); 2095 2096 f->pixelformat = formats[f->index].fourcc; 2097 2098 return 0; 2099 } 2100 2101 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 2102 struct v4l2_fmtdesc *f) 2103 { 2104 if (saa7134_no_overlay > 0) { 2105 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 2106 return -EINVAL; 2107 } 2108 2109 if ((f->index >= FORMATS) || formats[f->index].planar) 2110 return -EINVAL; 2111 2112 strlcpy(f->description, formats[f->index].name, 2113 sizeof(f->description)); 2114 2115 f->pixelformat = formats[f->index].fourcc; 2116 2117 return 0; 2118 } 2119 2120 static int saa7134_g_fbuf(struct file *file, void *f, 2121 struct v4l2_framebuffer *fb) 2122 { 2123 struct saa7134_fh *fh = f; 2124 struct saa7134_dev *dev = fh->dev; 2125 2126 *fb = dev->ovbuf; 2127 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 2128 2129 return 0; 2130 } 2131 2132 static int saa7134_s_fbuf(struct file *file, void *f, 2133 const struct v4l2_framebuffer *fb) 2134 { 2135 struct saa7134_fh *fh = f; 2136 struct saa7134_dev *dev = fh->dev; 2137 struct saa7134_format *fmt; 2138 2139 if (!capable(CAP_SYS_ADMIN) && 2140 !capable(CAP_SYS_RAWIO)) 2141 return -EPERM; 2142 2143 /* check args */ 2144 fmt = format_by_fourcc(fb->fmt.pixelformat); 2145 if (NULL == fmt) 2146 return -EINVAL; 2147 2148 /* ok, accept it */ 2149 dev->ovbuf = *fb; 2150 dev->ovfmt = fmt; 2151 if (0 == dev->ovbuf.fmt.bytesperline) 2152 dev->ovbuf.fmt.bytesperline = 2153 dev->ovbuf.fmt.width*fmt->depth/8; 2154 return 0; 2155 } 2156 2157 static int saa7134_overlay(struct file *file, void *f, unsigned int on) 2158 { 2159 struct saa7134_fh *fh = f; 2160 struct saa7134_dev *dev = fh->dev; 2161 unsigned long flags; 2162 2163 if (on) { 2164 if (saa7134_no_overlay > 0) { 2165 dprintk("no_overlay\n"); 2166 return -EINVAL; 2167 } 2168 2169 if (!res_get(dev, fh, RESOURCE_OVERLAY)) 2170 return -EBUSY; 2171 spin_lock_irqsave(&dev->slock, flags); 2172 start_preview(dev, fh); 2173 spin_unlock_irqrestore(&dev->slock, flags); 2174 } 2175 if (!on) { 2176 if (!res_check(fh, RESOURCE_OVERLAY)) 2177 return -EINVAL; 2178 spin_lock_irqsave(&dev->slock, flags); 2179 stop_preview(dev, fh); 2180 spin_unlock_irqrestore(&dev->slock, flags); 2181 res_free(dev, fh, RESOURCE_OVERLAY); 2182 } 2183 return 0; 2184 } 2185 2186 static int saa7134_reqbufs(struct file *file, void *priv, 2187 struct v4l2_requestbuffers *p) 2188 { 2189 struct saa7134_fh *fh = priv; 2190 return videobuf_reqbufs(saa7134_queue(fh), p); 2191 } 2192 2193 static int saa7134_querybuf(struct file *file, void *priv, 2194 struct v4l2_buffer *b) 2195 { 2196 struct saa7134_fh *fh = priv; 2197 return videobuf_querybuf(saa7134_queue(fh), b); 2198 } 2199 2200 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2201 { 2202 struct saa7134_fh *fh = priv; 2203 return videobuf_qbuf(saa7134_queue(fh), b); 2204 } 2205 2206 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2207 { 2208 struct saa7134_fh *fh = priv; 2209 return videobuf_dqbuf(saa7134_queue(fh), b, 2210 file->f_flags & O_NONBLOCK); 2211 } 2212 2213 static int saa7134_streamon(struct file *file, void *priv, 2214 enum v4l2_buf_type type) 2215 { 2216 struct saa7134_fh *fh = priv; 2217 struct saa7134_dev *dev = fh->dev; 2218 int res = saa7134_resource(fh); 2219 2220 if (!res_get(dev, fh, res)) 2221 return -EBUSY; 2222 2223 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 2224 * configured conservatively, there's 22 usec of buffering for video. 2225 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 2226 * margin in case the FIFO is configured differently to the datasheet. 2227 * Unfortunately, I lack register-level documentation to check the 2228 * Linux FIFO setup and confirm the perfect value. 2229 */ 2230 pm_qos_add_request(&fh->qos_request, 2231 PM_QOS_CPU_DMA_LATENCY, 2232 20); 2233 2234 return videobuf_streamon(saa7134_queue(fh)); 2235 } 2236 2237 static int saa7134_streamoff(struct file *file, void *priv, 2238 enum v4l2_buf_type type) 2239 { 2240 int err; 2241 struct saa7134_fh *fh = priv; 2242 struct saa7134_dev *dev = fh->dev; 2243 int res = saa7134_resource(fh); 2244 2245 pm_qos_remove_request(&fh->qos_request); 2246 2247 err = videobuf_streamoff(saa7134_queue(fh)); 2248 if (err < 0) 2249 return err; 2250 res_free(dev, fh, res); 2251 return 0; 2252 } 2253 2254 #ifdef CONFIG_VIDEO_ADV_DEBUG 2255 static int vidioc_g_register (struct file *file, void *priv, 2256 struct v4l2_dbg_register *reg) 2257 { 2258 struct saa7134_fh *fh = priv; 2259 struct saa7134_dev *dev = fh->dev; 2260 2261 if (!v4l2_chip_match_host(®->match)) 2262 return -EINVAL; 2263 reg->val = saa_readb(reg->reg); 2264 reg->size = 1; 2265 return 0; 2266 } 2267 2268 static int vidioc_s_register (struct file *file, void *priv, 2269 const struct v4l2_dbg_register *reg) 2270 { 2271 struct saa7134_fh *fh = priv; 2272 struct saa7134_dev *dev = fh->dev; 2273 2274 if (!v4l2_chip_match_host(®->match)) 2275 return -EINVAL; 2276 saa_writeb(reg->reg&0xffffff, reg->val); 2277 return 0; 2278 } 2279 #endif 2280 2281 static int radio_g_tuner(struct file *file, void *priv, 2282 struct v4l2_tuner *t) 2283 { 2284 struct saa7134_fh *fh = file->private_data; 2285 struct saa7134_dev *dev = fh->dev; 2286 2287 if (0 != t->index) 2288 return -EINVAL; 2289 2290 memset(t, 0, sizeof(*t)); 2291 strcpy(t->name, "Radio"); 2292 t->type = V4L2_TUNER_RADIO; 2293 2294 saa_call_all(dev, tuner, g_tuner, t); 2295 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 2296 if (dev->input->amux == TV) { 2297 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 2298 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 2299 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 2300 } 2301 return 0; 2302 } 2303 static int radio_s_tuner(struct file *file, void *priv, 2304 const struct v4l2_tuner *t) 2305 { 2306 struct saa7134_fh *fh = file->private_data; 2307 struct saa7134_dev *dev = fh->dev; 2308 2309 if (0 != t->index) 2310 return -EINVAL; 2311 2312 saa_call_all(dev, tuner, s_tuner, t); 2313 return 0; 2314 } 2315 2316 static int radio_enum_input(struct file *file, void *priv, 2317 struct v4l2_input *i) 2318 { 2319 if (i->index != 0) 2320 return -EINVAL; 2321 2322 strcpy(i->name, "Radio"); 2323 i->type = V4L2_INPUT_TYPE_TUNER; 2324 2325 return 0; 2326 } 2327 2328 static int radio_g_input(struct file *filp, void *priv, unsigned int *i) 2329 { 2330 *i = 0; 2331 return 0; 2332 } 2333 2334 static int radio_s_input(struct file *filp, void *priv, unsigned int i) 2335 { 2336 return 0; 2337 } 2338 2339 static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm) 2340 { 2341 return 0; 2342 } 2343 2344 static int radio_queryctrl(struct file *file, void *priv, 2345 struct v4l2_queryctrl *c) 2346 { 2347 const struct v4l2_queryctrl *ctrl; 2348 2349 if (c->id < V4L2_CID_BASE || 2350 c->id >= V4L2_CID_LASTP1) 2351 return -EINVAL; 2352 if (c->id == V4L2_CID_AUDIO_MUTE) { 2353 ctrl = ctrl_by_id(c->id); 2354 *c = *ctrl; 2355 } else 2356 *c = no_ctrl; 2357 return 0; 2358 } 2359 2360 static const struct v4l2_file_operations video_fops = 2361 { 2362 .owner = THIS_MODULE, 2363 .open = video_open, 2364 .release = video_release, 2365 .read = video_read, 2366 .poll = video_poll, 2367 .mmap = video_mmap, 2368 .ioctl = video_ioctl2, 2369 }; 2370 2371 static const struct v4l2_ioctl_ops video_ioctl_ops = { 2372 .vidioc_querycap = saa7134_querycap, 2373 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 2374 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 2375 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 2376 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 2377 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 2378 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 2379 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 2380 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 2381 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2382 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2383 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2384 .vidioc_cropcap = saa7134_cropcap, 2385 .vidioc_reqbufs = saa7134_reqbufs, 2386 .vidioc_querybuf = saa7134_querybuf, 2387 .vidioc_qbuf = saa7134_qbuf, 2388 .vidioc_dqbuf = saa7134_dqbuf, 2389 .vidioc_s_std = saa7134_s_std, 2390 .vidioc_g_std = saa7134_g_std, 2391 .vidioc_enum_input = saa7134_enum_input, 2392 .vidioc_g_input = saa7134_g_input, 2393 .vidioc_s_input = saa7134_s_input, 2394 .vidioc_queryctrl = saa7134_queryctrl, 2395 .vidioc_g_ctrl = saa7134_g_ctrl, 2396 .vidioc_s_ctrl = saa7134_s_ctrl, 2397 .vidioc_streamon = saa7134_streamon, 2398 .vidioc_streamoff = saa7134_streamoff, 2399 .vidioc_g_tuner = saa7134_g_tuner, 2400 .vidioc_s_tuner = saa7134_s_tuner, 2401 .vidioc_g_crop = saa7134_g_crop, 2402 .vidioc_s_crop = saa7134_s_crop, 2403 .vidioc_g_fbuf = saa7134_g_fbuf, 2404 .vidioc_s_fbuf = saa7134_s_fbuf, 2405 .vidioc_overlay = saa7134_overlay, 2406 .vidioc_g_frequency = saa7134_g_frequency, 2407 .vidioc_s_frequency = saa7134_s_frequency, 2408 #ifdef CONFIG_VIDEO_ADV_DEBUG 2409 .vidioc_g_register = vidioc_g_register, 2410 .vidioc_s_register = vidioc_s_register, 2411 #endif 2412 }; 2413 2414 static const struct v4l2_file_operations radio_fops = { 2415 .owner = THIS_MODULE, 2416 .open = video_open, 2417 .read = radio_read, 2418 .release = video_release, 2419 .ioctl = video_ioctl2, 2420 .poll = radio_poll, 2421 }; 2422 2423 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2424 .vidioc_querycap = saa7134_querycap, 2425 .vidioc_g_tuner = radio_g_tuner, 2426 .vidioc_enum_input = radio_enum_input, 2427 .vidioc_s_tuner = radio_s_tuner, 2428 .vidioc_s_input = radio_s_input, 2429 .vidioc_s_std = radio_s_std, 2430 .vidioc_queryctrl = radio_queryctrl, 2431 .vidioc_g_input = radio_g_input, 2432 .vidioc_g_ctrl = saa7134_g_ctrl, 2433 .vidioc_s_ctrl = saa7134_s_ctrl, 2434 .vidioc_g_frequency = saa7134_g_frequency, 2435 .vidioc_s_frequency = saa7134_s_frequency, 2436 }; 2437 2438 /* ----------------------------------------------------------- */ 2439 /* exported stuff */ 2440 2441 struct video_device saa7134_video_template = { 2442 .name = "saa7134-video", 2443 .fops = &video_fops, 2444 .ioctl_ops = &video_ioctl_ops, 2445 .tvnorms = SAA7134_NORMS, 2446 .current_norm = V4L2_STD_PAL, 2447 }; 2448 2449 struct video_device saa7134_radio_template = { 2450 .name = "saa7134-radio", 2451 .fops = &radio_fops, 2452 .ioctl_ops = &radio_ioctl_ops, 2453 }; 2454 2455 int saa7134_video_init1(struct saa7134_dev *dev) 2456 { 2457 /* sanitycheck insmod options */ 2458 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2459 gbuffers = 2; 2460 if (gbufsize > gbufsize_max) 2461 gbufsize = gbufsize_max; 2462 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2463 2464 /* put some sensible defaults into the data structures ... */ 2465 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; 2466 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; 2467 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; 2468 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; 2469 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; 2470 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; 2471 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; 2472 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; 2473 2474 if (dev->tda9887_conf && dev->ctl_automute) 2475 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2476 dev->automute = 0; 2477 2478 INIT_LIST_HEAD(&dev->video_q.queue); 2479 init_timer(&dev->video_q.timeout); 2480 dev->video_q.timeout.function = saa7134_buffer_timeout; 2481 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2482 dev->video_q.dev = dev; 2483 2484 if (saa7134_boards[dev->board].video_out) 2485 saa7134_videoport_init(dev); 2486 2487 return 0; 2488 } 2489 2490 int saa7134_videoport_init(struct saa7134_dev *dev) 2491 { 2492 /* enable video output */ 2493 int vo = saa7134_boards[dev->board].video_out; 2494 int video_reg; 2495 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2496 2497 /* Configure videoport */ 2498 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2499 video_reg = video_out[vo][1]; 2500 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2501 video_reg &= ~VP_T_CODE_P_INVERTED; 2502 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2503 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2504 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2505 video_reg = video_out[vo][5]; 2506 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2507 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2508 if (vid_port_opts & SET_CLOCK_INVERTED) 2509 video_reg |= VP_CLK_CTRL1_INVERTED; 2510 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2511 video_reg = video_out[vo][6]; 2512 if (vid_port_opts & SET_VSYNC_OFF) { 2513 video_reg &= ~VP_VS_TYPE_MASK; 2514 video_reg |= VP_VS_TYPE_OFF; 2515 } 2516 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2517 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2518 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2519 2520 /* Start videoport */ 2521 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2522 2523 return 0; 2524 } 2525 2526 int saa7134_video_init2(struct saa7134_dev *dev) 2527 { 2528 /* init video hw */ 2529 set_tvnorm(dev,&tvnorms[0]); 2530 video_mux(dev,0); 2531 saa7134_tvaudio_setmute(dev); 2532 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2533 return 0; 2534 } 2535 2536 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2537 { 2538 static const char *st[] = { 2539 "(no signal)", "NTSC", "PAL", "SECAM" }; 2540 u32 st1,st2; 2541 2542 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2543 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2544 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", 2545 (st1 & 0x40) ? "not locked" : "locked", 2546 (st2 & 0x40) ? "no" : "yes", 2547 st[st1 & 0x03]); 2548 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2549 2550 if (dev->nosignal) { 2551 /* no video signal -> mute audio */ 2552 if (dev->ctl_automute) 2553 dev->automute = 1; 2554 saa7134_tvaudio_setmute(dev); 2555 } else { 2556 /* wake up tvaudio audio carrier scan thread */ 2557 saa7134_tvaudio_do_scan(dev); 2558 } 2559 2560 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2561 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2562 else 2563 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2564 2565 if (dev->mops && dev->mops->signal_change) 2566 dev->mops->signal_change(dev); 2567 } 2568 2569 2570 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2571 { 2572 enum v4l2_field field; 2573 2574 spin_lock(&dev->slock); 2575 if (dev->video_q.curr) { 2576 dev->video_fieldcount++; 2577 field = dev->video_q.curr->vb.field; 2578 if (V4L2_FIELD_HAS_BOTH(field)) { 2579 /* make sure we have seen both fields */ 2580 if ((status & 0x10) == 0x00) { 2581 dev->video_q.curr->top_seen = 1; 2582 goto done; 2583 } 2584 if (!dev->video_q.curr->top_seen) 2585 goto done; 2586 } else if (field == V4L2_FIELD_TOP) { 2587 if ((status & 0x10) != 0x10) 2588 goto done; 2589 } else if (field == V4L2_FIELD_BOTTOM) { 2590 if ((status & 0x10) != 0x00) 2591 goto done; 2592 } 2593 dev->video_q.curr->vb.field_count = dev->video_fieldcount; 2594 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE); 2595 } 2596 saa7134_buffer_next(dev,&dev->video_q); 2597 2598 done: 2599 spin_unlock(&dev->slock); 2600 } 2601 2602 /* ----------------------------------------------------------- */ 2603 /* 2604 * Local variables: 2605 * c-basic-offset: 8 2606 * End: 2607 */ 2608