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, bool try) 829 { 830 enum v4l2_field field; 831 int maxw, maxh; 832 833 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL)) 834 return -EINVAL; 835 if (win->w.width < 48) 836 win->w.width = 48; 837 if (win->w.height < 32) 838 win->w.height = 32; 839 if (win->clipcount > 8) 840 win->clipcount = 8; 841 842 win->chromakey = 0; 843 win->global_alpha = 0; 844 field = win->field; 845 maxw = dev->crop_current.width; 846 maxh = dev->crop_current.height; 847 848 if (V4L2_FIELD_ANY == field) { 849 field = (win->w.height > maxh/2) 850 ? V4L2_FIELD_INTERLACED 851 : V4L2_FIELD_TOP; 852 } 853 switch (field) { 854 case V4L2_FIELD_TOP: 855 case V4L2_FIELD_BOTTOM: 856 maxh = maxh / 2; 857 break; 858 default: 859 field = V4L2_FIELD_INTERLACED; 860 break; 861 } 862 863 win->field = field; 864 if (win->w.width > maxw) 865 win->w.width = maxw; 866 if (win->w.height > maxh) 867 win->w.height = maxh; 868 return 0; 869 } 870 871 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) 872 { 873 unsigned long base,control,bpl; 874 int err; 875 876 err = verify_preview(dev, &dev->win, false); 877 if (0 != err) 878 return err; 879 880 dev->ovfield = dev->win.field; 881 dprintk("start_preview %dx%d+%d+%d %s field=%s\n", 882 dev->win.w.width, dev->win.w.height, 883 dev->win.w.left, dev->win.w.top, 884 dev->ovfmt->name, v4l2_field_names[dev->ovfield]); 885 886 /* setup window + clipping */ 887 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height, 888 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 889 setup_clipping(dev, dev->clips, dev->nclips, 890 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 891 if (dev->ovfmt->yuv) 892 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); 893 else 894 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); 895 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); 896 897 /* dma: setup channel 1 (= Video Task B) */ 898 base = (unsigned long)dev->ovbuf.base; 899 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top; 900 base += dev->ovfmt->depth/8 * dev->win.w.left; 901 bpl = dev->ovbuf.fmt.bytesperline; 902 control = SAA7134_RS_CONTROL_BURST_16; 903 if (dev->ovfmt->bswap) 904 control |= SAA7134_RS_CONTROL_BSWAP; 905 if (dev->ovfmt->wswap) 906 control |= SAA7134_RS_CONTROL_WSWAP; 907 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { 908 saa_writel(SAA7134_RS_BA1(1),base); 909 saa_writel(SAA7134_RS_BA2(1),base+bpl); 910 saa_writel(SAA7134_RS_PITCH(1),bpl*2); 911 saa_writel(SAA7134_RS_CONTROL(1),control); 912 } else { 913 saa_writel(SAA7134_RS_BA1(1),base); 914 saa_writel(SAA7134_RS_BA2(1),base); 915 saa_writel(SAA7134_RS_PITCH(1),bpl); 916 saa_writel(SAA7134_RS_CONTROL(1),control); 917 } 918 919 /* start dma */ 920 dev->ovenable = 1; 921 saa7134_set_dmabits(dev); 922 923 return 0; 924 } 925 926 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) 927 { 928 dev->ovenable = 0; 929 saa7134_set_dmabits(dev); 930 return 0; 931 } 932 933 /* ------------------------------------------------------------------ */ 934 935 static int buffer_activate(struct saa7134_dev *dev, 936 struct saa7134_buf *buf, 937 struct saa7134_buf *next) 938 { 939 unsigned long base,control,bpl; 940 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 941 942 dprintk("buffer_activate buf=%p\n",buf); 943 buf->vb.state = VIDEOBUF_ACTIVE; 944 buf->top_seen = 0; 945 946 set_size(dev,TASK_A,buf->vb.width,buf->vb.height, 947 V4L2_FIELD_HAS_BOTH(buf->vb.field)); 948 if (buf->fmt->yuv) 949 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 950 else 951 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 952 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm); 953 954 /* DMA: setup channel 0 (= Video Task A0) */ 955 base = saa7134_buffer_base(buf); 956 if (buf->fmt->planar) 957 bpl = buf->vb.width; 958 else 959 bpl = (buf->vb.width * buf->fmt->depth) / 8; 960 control = SAA7134_RS_CONTROL_BURST_16 | 961 SAA7134_RS_CONTROL_ME | 962 (buf->pt->dma >> 12); 963 if (buf->fmt->bswap) 964 control |= SAA7134_RS_CONTROL_BSWAP; 965 if (buf->fmt->wswap) 966 control |= SAA7134_RS_CONTROL_WSWAP; 967 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { 968 /* interlaced */ 969 saa_writel(SAA7134_RS_BA1(0),base); 970 saa_writel(SAA7134_RS_BA2(0),base+bpl); 971 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 972 } else { 973 /* non-interlaced */ 974 saa_writel(SAA7134_RS_BA1(0),base); 975 saa_writel(SAA7134_RS_BA2(0),base); 976 saa_writel(SAA7134_RS_PITCH(0),bpl); 977 } 978 saa_writel(SAA7134_RS_CONTROL(0),control); 979 980 if (buf->fmt->planar) { 981 /* DMA: setup channel 4+5 (= planar task A) */ 982 bpl_uv = bpl >> buf->fmt->hshift; 983 lines_uv = buf->vb.height >> buf->fmt->vshift; 984 base2 = base + bpl * buf->vb.height; 985 base3 = base2 + bpl_uv * lines_uv; 986 if (buf->fmt->uvswap) 987 tmp = base2, base2 = base3, base3 = tmp; 988 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 989 bpl_uv,lines_uv,base2,base3); 990 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { 991 /* interlaced */ 992 saa_writel(SAA7134_RS_BA1(4),base2); 993 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 994 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 995 saa_writel(SAA7134_RS_BA1(5),base3); 996 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 997 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 998 } else { 999 /* non-interlaced */ 1000 saa_writel(SAA7134_RS_BA1(4),base2); 1001 saa_writel(SAA7134_RS_BA2(4),base2); 1002 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 1003 saa_writel(SAA7134_RS_BA1(5),base3); 1004 saa_writel(SAA7134_RS_BA2(5),base3); 1005 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 1006 } 1007 saa_writel(SAA7134_RS_CONTROL(4),control); 1008 saa_writel(SAA7134_RS_CONTROL(5),control); 1009 } 1010 1011 /* start DMA */ 1012 saa7134_set_dmabits(dev); 1013 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT); 1014 return 0; 1015 } 1016 1017 static int buffer_prepare(struct videobuf_queue *q, 1018 struct videobuf_buffer *vb, 1019 enum v4l2_field field) 1020 { 1021 struct saa7134_fh *fh = q->priv_data; 1022 struct saa7134_dev *dev = fh->dev; 1023 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1024 unsigned int size; 1025 int err; 1026 1027 /* sanity checks */ 1028 if (NULL == dev->fmt) 1029 return -EINVAL; 1030 if (dev->width < 48 || 1031 dev->height < 32 || 1032 dev->width/4 > dev->crop_current.width || 1033 dev->height/4 > dev->crop_current.height || 1034 dev->width > dev->crop_bounds.width || 1035 dev->height > dev->crop_bounds.height) 1036 return -EINVAL; 1037 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 1038 if (0 != buf->vb.baddr && buf->vb.bsize < size) 1039 return -EINVAL; 1040 1041 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n", 1042 vb->i, dev->width, dev->height, size, v4l2_field_names[field], 1043 dev->fmt->name); 1044 if (buf->vb.width != dev->width || 1045 buf->vb.height != dev->height || 1046 buf->vb.size != size || 1047 buf->vb.field != field || 1048 buf->fmt != dev->fmt) { 1049 saa7134_dma_free(q,buf); 1050 } 1051 1052 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 1053 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 1054 1055 buf->vb.width = dev->width; 1056 buf->vb.height = dev->height; 1057 buf->vb.size = size; 1058 buf->vb.field = field; 1059 buf->fmt = dev->fmt; 1060 buf->pt = &fh->pt_cap; 1061 dev->video_q.curr = NULL; 1062 1063 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf); 1064 if (err) 1065 goto oops; 1066 err = saa7134_pgtable_build(dev->pci,buf->pt, 1067 dma->sglist, 1068 dma->sglen, 1069 saa7134_buffer_startpage(buf)); 1070 if (err) 1071 goto oops; 1072 } 1073 buf->vb.state = VIDEOBUF_PREPARED; 1074 buf->activate = buffer_activate; 1075 return 0; 1076 1077 oops: 1078 saa7134_dma_free(q,buf); 1079 return err; 1080 } 1081 1082 static int 1083 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) 1084 { 1085 struct saa7134_fh *fh = q->priv_data; 1086 struct saa7134_dev *dev = fh->dev; 1087 1088 *size = dev->fmt->depth * dev->width * dev->height >> 3; 1089 if (0 == *count) 1090 *count = gbuffers; 1091 *count = saa7134_buffer_count(*size,*count); 1092 return 0; 1093 } 1094 1095 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) 1096 { 1097 struct saa7134_fh *fh = q->priv_data; 1098 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1099 1100 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf); 1101 } 1102 1103 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 1104 { 1105 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1106 1107 saa7134_dma_free(q,buf); 1108 } 1109 1110 static struct videobuf_queue_ops video_qops = { 1111 .buf_setup = buffer_setup, 1112 .buf_prepare = buffer_prepare, 1113 .buf_queue = buffer_queue, 1114 .buf_release = buffer_release, 1115 }; 1116 1117 /* ------------------------------------------------------------------ */ 1118 1119 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) 1120 { 1121 const struct v4l2_queryctrl* ctrl; 1122 1123 ctrl = ctrl_by_id(c->id); 1124 if (NULL == ctrl) 1125 return -EINVAL; 1126 switch (c->id) { 1127 case V4L2_CID_BRIGHTNESS: 1128 c->value = dev->ctl_bright; 1129 break; 1130 case V4L2_CID_HUE: 1131 c->value = dev->ctl_hue; 1132 break; 1133 case V4L2_CID_CONTRAST: 1134 c->value = dev->ctl_contrast; 1135 break; 1136 case V4L2_CID_SATURATION: 1137 c->value = dev->ctl_saturation; 1138 break; 1139 case V4L2_CID_AUDIO_MUTE: 1140 c->value = dev->ctl_mute; 1141 break; 1142 case V4L2_CID_AUDIO_VOLUME: 1143 c->value = dev->ctl_volume; 1144 break; 1145 case V4L2_CID_PRIVATE_INVERT: 1146 c->value = dev->ctl_invert; 1147 break; 1148 case V4L2_CID_HFLIP: 1149 c->value = dev->ctl_mirror; 1150 break; 1151 case V4L2_CID_PRIVATE_Y_EVEN: 1152 c->value = dev->ctl_y_even; 1153 break; 1154 case V4L2_CID_PRIVATE_Y_ODD: 1155 c->value = dev->ctl_y_odd; 1156 break; 1157 case V4L2_CID_PRIVATE_AUTOMUTE: 1158 c->value = dev->ctl_automute; 1159 break; 1160 default: 1161 return -EINVAL; 1162 } 1163 return 0; 1164 } 1165 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal); 1166 1167 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) 1168 { 1169 struct saa7134_fh *fh = priv; 1170 1171 return saa7134_g_ctrl_internal(fh->dev, fh, c); 1172 } 1173 1174 int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) 1175 { 1176 const struct v4l2_queryctrl* ctrl; 1177 unsigned long flags; 1178 int restart_overlay = 0; 1179 int err; 1180 1181 err = -EINVAL; 1182 1183 mutex_lock(&dev->lock); 1184 1185 ctrl = ctrl_by_id(c->id); 1186 if (NULL == ctrl) 1187 goto error; 1188 1189 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value); 1190 switch (ctrl->type) { 1191 case V4L2_CTRL_TYPE_BOOLEAN: 1192 case V4L2_CTRL_TYPE_MENU: 1193 case V4L2_CTRL_TYPE_INTEGER: 1194 if (c->value < ctrl->minimum) 1195 c->value = ctrl->minimum; 1196 if (c->value > ctrl->maximum) 1197 c->value = ctrl->maximum; 1198 break; 1199 default: 1200 /* nothing */; 1201 } 1202 switch (c->id) { 1203 case V4L2_CID_BRIGHTNESS: 1204 dev->ctl_bright = c->value; 1205 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 1206 break; 1207 case V4L2_CID_HUE: 1208 dev->ctl_hue = c->value; 1209 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 1210 break; 1211 case V4L2_CID_CONTRAST: 1212 dev->ctl_contrast = c->value; 1213 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1214 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1215 break; 1216 case V4L2_CID_SATURATION: 1217 dev->ctl_saturation = c->value; 1218 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1219 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1220 break; 1221 case V4L2_CID_AUDIO_MUTE: 1222 dev->ctl_mute = c->value; 1223 saa7134_tvaudio_setmute(dev); 1224 break; 1225 case V4L2_CID_AUDIO_VOLUME: 1226 dev->ctl_volume = c->value; 1227 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1228 break; 1229 case V4L2_CID_PRIVATE_INVERT: 1230 dev->ctl_invert = c->value; 1231 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1232 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1233 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1234 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1235 break; 1236 case V4L2_CID_HFLIP: 1237 dev->ctl_mirror = c->value; 1238 restart_overlay = 1; 1239 break; 1240 case V4L2_CID_PRIVATE_Y_EVEN: 1241 dev->ctl_y_even = c->value; 1242 restart_overlay = 1; 1243 break; 1244 case V4L2_CID_PRIVATE_Y_ODD: 1245 dev->ctl_y_odd = c->value; 1246 restart_overlay = 1; 1247 break; 1248 case V4L2_CID_PRIVATE_AUTOMUTE: 1249 { 1250 struct v4l2_priv_tun_config tda9887_cfg; 1251 1252 tda9887_cfg.tuner = TUNER_TDA9887; 1253 tda9887_cfg.priv = &dev->tda9887_conf; 1254 1255 dev->ctl_automute = c->value; 1256 if (dev->tda9887_conf) { 1257 if (dev->ctl_automute) 1258 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1259 else 1260 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1261 1262 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1263 } 1264 break; 1265 } 1266 default: 1267 goto error; 1268 } 1269 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) { 1270 spin_lock_irqsave(&dev->slock,flags); 1271 stop_preview(dev,fh); 1272 start_preview(dev,fh); 1273 spin_unlock_irqrestore(&dev->slock,flags); 1274 } 1275 err = 0; 1276 1277 error: 1278 mutex_unlock(&dev->lock); 1279 return err; 1280 } 1281 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal); 1282 1283 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c) 1284 { 1285 struct saa7134_fh *fh = f; 1286 1287 return saa7134_s_ctrl_internal(fh->dev, fh, c); 1288 } 1289 1290 /* ------------------------------------------------------------------ */ 1291 1292 static struct videobuf_queue *saa7134_queue(struct file *file) 1293 { 1294 struct video_device *vdev = video_devdata(file); 1295 struct saa7134_fh *fh = file->private_data; 1296 struct videobuf_queue *q = NULL; 1297 1298 switch (vdev->vfl_type) { 1299 case VFL_TYPE_GRABBER: 1300 q = &fh->cap; 1301 break; 1302 case VFL_TYPE_VBI: 1303 q = &fh->vbi; 1304 break; 1305 default: 1306 BUG(); 1307 } 1308 return q; 1309 } 1310 1311 static int saa7134_resource(struct file *file) 1312 { 1313 struct video_device *vdev = video_devdata(file); 1314 1315 if (vdev->vfl_type == VFL_TYPE_GRABBER) 1316 return RESOURCE_VIDEO; 1317 1318 if (vdev->vfl_type == VFL_TYPE_VBI) 1319 return RESOURCE_VBI; 1320 1321 BUG(); 1322 return 0; 1323 } 1324 1325 static int video_open(struct file *file) 1326 { 1327 struct video_device *vdev = video_devdata(file); 1328 struct saa7134_dev *dev = video_drvdata(file); 1329 struct saa7134_fh *fh; 1330 1331 /* allocate + initialize per filehandle data */ 1332 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 1333 if (NULL == fh) 1334 return -ENOMEM; 1335 1336 v4l2_fh_init(&fh->fh, vdev); 1337 file->private_data = fh; 1338 fh->dev = dev; 1339 1340 videobuf_queue_sg_init(&fh->cap, &video_qops, 1341 &dev->pci->dev, &dev->slock, 1342 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1343 V4L2_FIELD_INTERLACED, 1344 sizeof(struct saa7134_buf), 1345 fh, NULL); 1346 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops, 1347 &dev->pci->dev, &dev->slock, 1348 V4L2_BUF_TYPE_VBI_CAPTURE, 1349 V4L2_FIELD_SEQ_TB, 1350 sizeof(struct saa7134_buf), 1351 fh, NULL); 1352 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap); 1353 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi); 1354 1355 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1356 /* switch to radio mode */ 1357 saa7134_tvaudio_setinput(dev,&card(dev).radio); 1358 saa_call_all(dev, tuner, s_radio); 1359 } else { 1360 /* switch to video/vbi mode */ 1361 video_mux(dev,dev->ctl_input); 1362 } 1363 v4l2_fh_add(&fh->fh); 1364 1365 return 0; 1366 } 1367 1368 static ssize_t 1369 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 1370 { 1371 struct video_device *vdev = video_devdata(file); 1372 struct saa7134_fh *fh = file->private_data; 1373 1374 switch (vdev->vfl_type) { 1375 case VFL_TYPE_GRABBER: 1376 if (res_locked(fh->dev,RESOURCE_VIDEO)) 1377 return -EBUSY; 1378 return videobuf_read_one(saa7134_queue(file), 1379 data, count, ppos, 1380 file->f_flags & O_NONBLOCK); 1381 case VFL_TYPE_VBI: 1382 if (!res_get(fh->dev,fh,RESOURCE_VBI)) 1383 return -EBUSY; 1384 return videobuf_read_stream(saa7134_queue(file), 1385 data, count, ppos, 1, 1386 file->f_flags & O_NONBLOCK); 1387 break; 1388 default: 1389 BUG(); 1390 return 0; 1391 } 1392 } 1393 1394 static unsigned int 1395 video_poll(struct file *file, struct poll_table_struct *wait) 1396 { 1397 struct video_device *vdev = video_devdata(file); 1398 struct saa7134_fh *fh = file->private_data; 1399 struct videobuf_buffer *buf = NULL; 1400 unsigned int rc = 0; 1401 1402 if (vdev->vfl_type == VFL_TYPE_VBI) 1403 return videobuf_poll_stream(file, &fh->vbi, wait); 1404 1405 if (res_check(fh,RESOURCE_VIDEO)) { 1406 mutex_lock(&fh->cap.vb_lock); 1407 if (!list_empty(&fh->cap.stream)) 1408 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); 1409 } else { 1410 mutex_lock(&fh->cap.vb_lock); 1411 if (UNSET == fh->cap.read_off) { 1412 /* need to capture a new frame */ 1413 if (res_locked(fh->dev,RESOURCE_VIDEO)) 1414 goto err; 1415 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) 1416 goto err; 1417 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); 1418 fh->cap.read_off = 0; 1419 } 1420 buf = fh->cap.read_buf; 1421 } 1422 1423 if (!buf) 1424 goto err; 1425 1426 poll_wait(file, &buf->done, wait); 1427 if (buf->state == VIDEOBUF_DONE || 1428 buf->state == VIDEOBUF_ERROR) 1429 rc = POLLIN|POLLRDNORM; 1430 mutex_unlock(&fh->cap.vb_lock); 1431 return rc; 1432 1433 err: 1434 mutex_unlock(&fh->cap.vb_lock); 1435 return POLLERR; 1436 } 1437 1438 static int video_release(struct file *file) 1439 { 1440 struct video_device *vdev = video_devdata(file); 1441 struct saa7134_fh *fh = file->private_data; 1442 struct saa7134_dev *dev = fh->dev; 1443 struct saa6588_command cmd; 1444 unsigned long flags; 1445 1446 saa7134_tvaudio_close(dev); 1447 1448 /* turn off overlay */ 1449 if (res_check(fh, RESOURCE_OVERLAY)) { 1450 spin_lock_irqsave(&dev->slock,flags); 1451 stop_preview(dev,fh); 1452 spin_unlock_irqrestore(&dev->slock,flags); 1453 res_free(dev,fh,RESOURCE_OVERLAY); 1454 } 1455 1456 /* stop video capture */ 1457 if (res_check(fh, RESOURCE_VIDEO)) { 1458 videobuf_streamoff(&fh->cap); 1459 res_free(dev,fh,RESOURCE_VIDEO); 1460 } 1461 if (fh->cap.read_buf) { 1462 buffer_release(&fh->cap,fh->cap.read_buf); 1463 kfree(fh->cap.read_buf); 1464 } 1465 1466 /* stop vbi capture */ 1467 if (res_check(fh, RESOURCE_VBI)) { 1468 videobuf_stop(&fh->vbi); 1469 res_free(dev,fh,RESOURCE_VBI); 1470 } 1471 1472 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1473 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1474 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1475 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1476 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1477 1478 saa_call_all(dev, core, s_power, 0); 1479 if (vdev->vfl_type == VFL_TYPE_RADIO) 1480 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1481 1482 /* free stuff */ 1483 videobuf_mmap_free(&fh->cap); 1484 videobuf_mmap_free(&fh->vbi); 1485 saa7134_pgtable_free(dev->pci,&fh->pt_cap); 1486 saa7134_pgtable_free(dev->pci,&fh->pt_vbi); 1487 1488 v4l2_fh_del(&fh->fh); 1489 v4l2_fh_exit(&fh->fh); 1490 file->private_data = NULL; 1491 kfree(fh); 1492 return 0; 1493 } 1494 1495 static int video_mmap(struct file *file, struct vm_area_struct * vma) 1496 { 1497 return videobuf_mmap_mapper(saa7134_queue(file), vma); 1498 } 1499 1500 static ssize_t radio_read(struct file *file, char __user *data, 1501 size_t count, loff_t *ppos) 1502 { 1503 struct saa7134_fh *fh = file->private_data; 1504 struct saa7134_dev *dev = fh->dev; 1505 struct saa6588_command cmd; 1506 1507 cmd.block_count = count/3; 1508 cmd.buffer = data; 1509 cmd.instance = file; 1510 cmd.result = -ENODEV; 1511 1512 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1513 1514 return cmd.result; 1515 } 1516 1517 static unsigned int radio_poll(struct file *file, poll_table *wait) 1518 { 1519 struct saa7134_fh *fh = file->private_data; 1520 struct saa7134_dev *dev = fh->dev; 1521 struct saa6588_command cmd; 1522 1523 cmd.instance = file; 1524 cmd.event_list = wait; 1525 cmd.result = -ENODEV; 1526 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1527 1528 return cmd.result; 1529 } 1530 1531 /* ------------------------------------------------------------------ */ 1532 1533 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1534 struct v4l2_format *f) 1535 { 1536 struct saa7134_fh *fh = priv; 1537 struct saa7134_dev *dev = fh->dev; 1538 struct saa7134_tvnorm *norm = dev->tvnorm; 1539 1540 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1541 f->fmt.vbi.sampling_rate = 6750000 * 4; 1542 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1543 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1544 f->fmt.vbi.offset = 64 * 4; 1545 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1546 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1547 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1548 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1549 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1550 1551 return 0; 1552 } 1553 1554 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1555 struct v4l2_format *f) 1556 { 1557 struct saa7134_fh *fh = priv; 1558 struct saa7134_dev *dev = fh->dev; 1559 1560 f->fmt.pix.width = dev->width; 1561 f->fmt.pix.height = dev->height; 1562 f->fmt.pix.field = fh->cap.field; 1563 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1564 f->fmt.pix.bytesperline = 1565 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1566 f->fmt.pix.sizeimage = 1567 f->fmt.pix.height * f->fmt.pix.bytesperline; 1568 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1569 f->fmt.pix.priv = 0; 1570 return 0; 1571 } 1572 1573 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1574 struct v4l2_format *f) 1575 { 1576 struct saa7134_fh *fh = priv; 1577 struct saa7134_dev *dev = fh->dev; 1578 struct v4l2_clip __user *clips = f->fmt.win.clips; 1579 u32 clipcount = f->fmt.win.clipcount; 1580 int err = 0; 1581 int i; 1582 1583 if (saa7134_no_overlay > 0) { 1584 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1585 return -EINVAL; 1586 } 1587 mutex_lock(&dev->lock); 1588 f->fmt.win = dev->win; 1589 f->fmt.win.clips = clips; 1590 if (clips == NULL) 1591 clipcount = 0; 1592 if (dev->nclips < clipcount) 1593 clipcount = dev->nclips; 1594 f->fmt.win.clipcount = clipcount; 1595 1596 for (i = 0; !err && i < clipcount; i++) { 1597 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1598 sizeof(struct v4l2_rect))) 1599 err = -EFAULT; 1600 } 1601 mutex_unlock(&dev->lock); 1602 1603 return err; 1604 } 1605 1606 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1607 struct v4l2_format *f) 1608 { 1609 struct saa7134_fh *fh = priv; 1610 struct saa7134_dev *dev = fh->dev; 1611 struct saa7134_format *fmt; 1612 enum v4l2_field field; 1613 unsigned int maxw, maxh; 1614 1615 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1616 if (NULL == fmt) 1617 return -EINVAL; 1618 1619 field = f->fmt.pix.field; 1620 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1621 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1622 1623 if (V4L2_FIELD_ANY == field) { 1624 field = (f->fmt.pix.height > maxh/2) 1625 ? V4L2_FIELD_INTERLACED 1626 : V4L2_FIELD_BOTTOM; 1627 } 1628 switch (field) { 1629 case V4L2_FIELD_TOP: 1630 case V4L2_FIELD_BOTTOM: 1631 maxh = maxh / 2; 1632 break; 1633 default: 1634 field = V4L2_FIELD_INTERLACED; 1635 break; 1636 } 1637 1638 f->fmt.pix.field = field; 1639 if (f->fmt.pix.width < 48) 1640 f->fmt.pix.width = 48; 1641 if (f->fmt.pix.height < 32) 1642 f->fmt.pix.height = 32; 1643 if (f->fmt.pix.width > maxw) 1644 f->fmt.pix.width = maxw; 1645 if (f->fmt.pix.height > maxh) 1646 f->fmt.pix.height = maxh; 1647 f->fmt.pix.width &= ~0x03; 1648 f->fmt.pix.bytesperline = 1649 (f->fmt.pix.width * fmt->depth) >> 3; 1650 f->fmt.pix.sizeimage = 1651 f->fmt.pix.height * f->fmt.pix.bytesperline; 1652 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1653 f->fmt.pix.priv = 0; 1654 1655 return 0; 1656 } 1657 1658 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1659 struct v4l2_format *f) 1660 { 1661 struct saa7134_fh *fh = priv; 1662 struct saa7134_dev *dev = fh->dev; 1663 1664 if (saa7134_no_overlay > 0) { 1665 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1666 return -EINVAL; 1667 } 1668 1669 if (f->fmt.win.clips == NULL) 1670 f->fmt.win.clipcount = 0; 1671 return verify_preview(dev, &f->fmt.win, true); 1672 } 1673 1674 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1675 struct v4l2_format *f) 1676 { 1677 struct saa7134_fh *fh = priv; 1678 struct saa7134_dev *dev = fh->dev; 1679 int err; 1680 1681 err = saa7134_try_fmt_vid_cap(file, priv, f); 1682 if (0 != err) 1683 return err; 1684 1685 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1686 dev->width = f->fmt.pix.width; 1687 dev->height = f->fmt.pix.height; 1688 fh->cap.field = f->fmt.pix.field; 1689 return 0; 1690 } 1691 1692 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1693 struct v4l2_format *f) 1694 { 1695 struct saa7134_fh *fh = priv; 1696 struct saa7134_dev *dev = fh->dev; 1697 int err; 1698 unsigned long flags; 1699 1700 if (saa7134_no_overlay > 0) { 1701 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1702 return -EINVAL; 1703 } 1704 if (f->fmt.win.clips == NULL) 1705 f->fmt.win.clipcount = 0; 1706 err = verify_preview(dev, &f->fmt.win, true); 1707 if (0 != err) 1708 return err; 1709 1710 mutex_lock(&dev->lock); 1711 1712 dev->win = f->fmt.win; 1713 dev->nclips = f->fmt.win.clipcount; 1714 1715 if (copy_from_user(dev->clips, f->fmt.win.clips, 1716 sizeof(struct v4l2_clip) * dev->nclips)) { 1717 mutex_unlock(&dev->lock); 1718 return -EFAULT; 1719 } 1720 1721 if (res_check(fh, RESOURCE_OVERLAY)) { 1722 spin_lock_irqsave(&dev->slock, flags); 1723 stop_preview(dev, fh); 1724 start_preview(dev, fh); 1725 spin_unlock_irqrestore(&dev->slock, flags); 1726 } 1727 1728 mutex_unlock(&dev->lock); 1729 return 0; 1730 } 1731 1732 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c) 1733 { 1734 const struct v4l2_queryctrl *ctrl; 1735 1736 if ((c->id < V4L2_CID_BASE || 1737 c->id >= V4L2_CID_LASTP1) && 1738 (c->id < V4L2_CID_PRIVATE_BASE || 1739 c->id >= V4L2_CID_PRIVATE_LASTP1)) 1740 return -EINVAL; 1741 ctrl = ctrl_by_id(c->id); 1742 *c = (NULL != ctrl) ? *ctrl : no_ctrl; 1743 return 0; 1744 } 1745 EXPORT_SYMBOL_GPL(saa7134_queryctrl); 1746 1747 static int saa7134_enum_input(struct file *file, void *priv, 1748 struct v4l2_input *i) 1749 { 1750 struct saa7134_fh *fh = priv; 1751 struct saa7134_dev *dev = fh->dev; 1752 unsigned int n; 1753 1754 n = i->index; 1755 if (n >= SAA7134_INPUT_MAX) 1756 return -EINVAL; 1757 if (NULL == card_in(dev, i->index).name) 1758 return -EINVAL; 1759 i->index = n; 1760 i->type = V4L2_INPUT_TYPE_CAMERA; 1761 strcpy(i->name, card_in(dev, n).name); 1762 if (card_in(dev, n).tv) 1763 i->type = V4L2_INPUT_TYPE_TUNER; 1764 if (n == dev->ctl_input) { 1765 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1766 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1767 1768 if (0 != (v1 & 0x40)) 1769 i->status |= V4L2_IN_ST_NO_H_LOCK; 1770 if (0 != (v2 & 0x40)) 1771 i->status |= V4L2_IN_ST_NO_SYNC; 1772 if (0 != (v2 & 0x0e)) 1773 i->status |= V4L2_IN_ST_MACROVISION; 1774 } 1775 i->std = SAA7134_NORMS; 1776 return 0; 1777 } 1778 1779 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1780 { 1781 struct saa7134_fh *fh = priv; 1782 struct saa7134_dev *dev = fh->dev; 1783 1784 *i = dev->ctl_input; 1785 return 0; 1786 } 1787 1788 static int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1789 { 1790 struct saa7134_fh *fh = priv; 1791 struct saa7134_dev *dev = fh->dev; 1792 1793 if (i >= SAA7134_INPUT_MAX) 1794 return -EINVAL; 1795 if (NULL == card_in(dev, i).name) 1796 return -EINVAL; 1797 mutex_lock(&dev->lock); 1798 video_mux(dev, i); 1799 mutex_unlock(&dev->lock); 1800 return 0; 1801 } 1802 1803 static int saa7134_querycap(struct file *file, void *priv, 1804 struct v4l2_capability *cap) 1805 { 1806 struct saa7134_fh *fh = priv; 1807 struct saa7134_dev *dev = fh->dev; 1808 struct video_device *vdev = video_devdata(file); 1809 u32 radio_caps, video_caps, vbi_caps; 1810 1811 unsigned int tuner_type = dev->tuner_type; 1812 1813 strcpy(cap->driver, "saa7134"); 1814 strlcpy(cap->card, saa7134_boards[dev->board].name, 1815 sizeof(cap->card)); 1816 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1817 1818 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1819 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1820 cap->device_caps |= V4L2_CAP_TUNER; 1821 1822 radio_caps = V4L2_CAP_RADIO; 1823 if (dev->has_rds) 1824 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1825 1826 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1827 if (saa7134_no_overlay <= 0) 1828 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1829 1830 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1831 1832 switch (vdev->vfl_type) { 1833 case VFL_TYPE_RADIO: 1834 cap->device_caps |= radio_caps; 1835 break; 1836 case VFL_TYPE_GRABBER: 1837 cap->device_caps |= video_caps; 1838 break; 1839 case VFL_TYPE_VBI: 1840 cap->device_caps |= vbi_caps; 1841 break; 1842 } 1843 cap->capabilities = radio_caps | video_caps | vbi_caps | 1844 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1845 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1846 cap->device_caps &= ~V4L2_CAP_STREAMING; 1847 if (!dev->has_rds) 1848 cap->device_caps &= ~V4L2_CAP_READWRITE; 1849 } 1850 1851 return 0; 1852 } 1853 1854 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id) 1855 { 1856 unsigned long flags; 1857 unsigned int i; 1858 v4l2_std_id fixup; 1859 1860 if (!fh && res_locked(dev, RESOURCE_OVERLAY)) { 1861 /* Don't change the std from the mpeg device 1862 if overlay is active. */ 1863 return -EBUSY; 1864 } 1865 1866 for (i = 0; i < TVNORMS; i++) 1867 if (id == tvnorms[i].id) 1868 break; 1869 1870 if (i == TVNORMS) 1871 for (i = 0; i < TVNORMS; i++) 1872 if (id & tvnorms[i].id) 1873 break; 1874 if (i == TVNORMS) 1875 return -EINVAL; 1876 1877 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1878 if (secam[0] == 'L' || secam[0] == 'l') { 1879 if (secam[1] == 'C' || secam[1] == 'c') 1880 fixup = V4L2_STD_SECAM_LC; 1881 else 1882 fixup = V4L2_STD_SECAM_L; 1883 } else { 1884 if (secam[0] == 'D' || secam[0] == 'd') 1885 fixup = V4L2_STD_SECAM_DK; 1886 else 1887 fixup = V4L2_STD_SECAM; 1888 } 1889 for (i = 0; i < TVNORMS; i++) { 1890 if (fixup == tvnorms[i].id) 1891 break; 1892 } 1893 if (i == TVNORMS) 1894 return -EINVAL; 1895 } 1896 1897 id = tvnorms[i].id; 1898 1899 mutex_lock(&dev->lock); 1900 if (fh && res_check(fh, RESOURCE_OVERLAY)) { 1901 spin_lock_irqsave(&dev->slock, flags); 1902 stop_preview(dev, fh); 1903 spin_unlock_irqrestore(&dev->slock, flags); 1904 1905 set_tvnorm(dev, &tvnorms[i]); 1906 1907 spin_lock_irqsave(&dev->slock, flags); 1908 start_preview(dev, fh); 1909 spin_unlock_irqrestore(&dev->slock, flags); 1910 } else 1911 set_tvnorm(dev, &tvnorms[i]); 1912 1913 saa7134_tvaudio_do_scan(dev); 1914 mutex_unlock(&dev->lock); 1915 return 0; 1916 } 1917 EXPORT_SYMBOL_GPL(saa7134_s_std_internal); 1918 1919 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1920 { 1921 struct saa7134_fh *fh = priv; 1922 1923 return saa7134_s_std_internal(fh->dev, fh, id); 1924 } 1925 1926 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1927 { 1928 struct saa7134_fh *fh = priv; 1929 struct saa7134_dev *dev = fh->dev; 1930 1931 *id = dev->tvnorm->id; 1932 return 0; 1933 } 1934 1935 static int saa7134_cropcap(struct file *file, void *priv, 1936 struct v4l2_cropcap *cap) 1937 { 1938 struct saa7134_fh *fh = priv; 1939 struct saa7134_dev *dev = fh->dev; 1940 1941 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1942 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1943 return -EINVAL; 1944 cap->bounds = dev->crop_bounds; 1945 cap->defrect = dev->crop_defrect; 1946 cap->pixelaspect.numerator = 1; 1947 cap->pixelaspect.denominator = 1; 1948 if (dev->tvnorm->id & V4L2_STD_525_60) { 1949 cap->pixelaspect.numerator = 11; 1950 cap->pixelaspect.denominator = 10; 1951 } 1952 if (dev->tvnorm->id & V4L2_STD_625_50) { 1953 cap->pixelaspect.numerator = 54; 1954 cap->pixelaspect.denominator = 59; 1955 } 1956 return 0; 1957 } 1958 1959 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1960 { 1961 struct saa7134_fh *fh = f; 1962 struct saa7134_dev *dev = fh->dev; 1963 1964 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1965 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1966 return -EINVAL; 1967 crop->c = dev->crop_current; 1968 return 0; 1969 } 1970 1971 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1972 { 1973 struct saa7134_fh *fh = f; 1974 struct saa7134_dev *dev = fh->dev; 1975 struct v4l2_rect *b = &dev->crop_bounds; 1976 struct v4l2_rect *c = &dev->crop_current; 1977 1978 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1979 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1980 return -EINVAL; 1981 if (crop->c.height < 0) 1982 return -EINVAL; 1983 if (crop->c.width < 0) 1984 return -EINVAL; 1985 1986 if (res_locked(fh->dev, RESOURCE_OVERLAY)) 1987 return -EBUSY; 1988 if (res_locked(fh->dev, RESOURCE_VIDEO)) 1989 return -EBUSY; 1990 1991 *c = crop->c; 1992 if (c->top < b->top) 1993 c->top = b->top; 1994 if (c->top > b->top + b->height) 1995 c->top = b->top + b->height; 1996 if (c->height > b->top - c->top + b->height) 1997 c->height = b->top - c->top + b->height; 1998 1999 if (c->left < b->left) 2000 c->left = b->left; 2001 if (c->left > b->left + b->width) 2002 c->left = b->left + b->width; 2003 if (c->width > b->left - c->left + b->width) 2004 c->width = b->left - c->left + b->width; 2005 return 0; 2006 } 2007 2008 static int saa7134_g_tuner(struct file *file, void *priv, 2009 struct v4l2_tuner *t) 2010 { 2011 struct saa7134_fh *fh = priv; 2012 struct saa7134_dev *dev = fh->dev; 2013 int n; 2014 2015 if (0 != t->index) 2016 return -EINVAL; 2017 memset(t, 0, sizeof(*t)); 2018 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 2019 if (card_in(dev, n).tv) 2020 break; 2021 } 2022 if (n == SAA7134_INPUT_MAX) 2023 return -EINVAL; 2024 if (NULL != card_in(dev, n).name) { 2025 strcpy(t->name, "Television"); 2026 t->type = V4L2_TUNER_ANALOG_TV; 2027 saa_call_all(dev, tuner, g_tuner, t); 2028 t->capability = V4L2_TUNER_CAP_NORM | 2029 V4L2_TUNER_CAP_STEREO | 2030 V4L2_TUNER_CAP_LANG1 | 2031 V4L2_TUNER_CAP_LANG2; 2032 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 2033 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 2034 } 2035 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 2036 t->signal = 0xffff; 2037 return 0; 2038 } 2039 2040 static int saa7134_s_tuner(struct file *file, void *priv, 2041 const struct v4l2_tuner *t) 2042 { 2043 struct saa7134_fh *fh = priv; 2044 struct saa7134_dev *dev = fh->dev; 2045 int rx, mode; 2046 2047 if (0 != t->index) 2048 return -EINVAL; 2049 2050 mode = dev->thread.mode; 2051 if (UNSET == mode) { 2052 rx = saa7134_tvaudio_getstereo(dev); 2053 mode = saa7134_tvaudio_rx2mode(rx); 2054 } 2055 if (mode != t->audmode) 2056 dev->thread.mode = t->audmode; 2057 2058 return 0; 2059 } 2060 2061 static int saa7134_g_frequency(struct file *file, void *priv, 2062 struct v4l2_frequency *f) 2063 { 2064 struct saa7134_fh *fh = priv; 2065 struct saa7134_dev *dev = fh->dev; 2066 2067 if (0 != f->tuner) 2068 return -EINVAL; 2069 2070 saa_call_all(dev, tuner, g_frequency, f); 2071 2072 return 0; 2073 } 2074 2075 static int saa7134_s_frequency(struct file *file, void *priv, 2076 const struct v4l2_frequency *f) 2077 { 2078 struct saa7134_fh *fh = priv; 2079 struct saa7134_dev *dev = fh->dev; 2080 2081 if (0 != f->tuner) 2082 return -EINVAL; 2083 mutex_lock(&dev->lock); 2084 2085 saa_call_all(dev, tuner, s_frequency, f); 2086 2087 saa7134_tvaudio_do_scan(dev); 2088 mutex_unlock(&dev->lock); 2089 return 0; 2090 } 2091 2092 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 2093 struct v4l2_fmtdesc *f) 2094 { 2095 if (f->index >= FORMATS) 2096 return -EINVAL; 2097 2098 strlcpy(f->description, formats[f->index].name, 2099 sizeof(f->description)); 2100 2101 f->pixelformat = formats[f->index].fourcc; 2102 2103 return 0; 2104 } 2105 2106 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 2107 struct v4l2_fmtdesc *f) 2108 { 2109 if (saa7134_no_overlay > 0) { 2110 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 2111 return -EINVAL; 2112 } 2113 2114 if ((f->index >= FORMATS) || formats[f->index].planar) 2115 return -EINVAL; 2116 2117 strlcpy(f->description, formats[f->index].name, 2118 sizeof(f->description)); 2119 2120 f->pixelformat = formats[f->index].fourcc; 2121 2122 return 0; 2123 } 2124 2125 static int saa7134_g_fbuf(struct file *file, void *f, 2126 struct v4l2_framebuffer *fb) 2127 { 2128 struct saa7134_fh *fh = f; 2129 struct saa7134_dev *dev = fh->dev; 2130 2131 *fb = dev->ovbuf; 2132 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 2133 2134 return 0; 2135 } 2136 2137 static int saa7134_s_fbuf(struct file *file, void *f, 2138 const struct v4l2_framebuffer *fb) 2139 { 2140 struct saa7134_fh *fh = f; 2141 struct saa7134_dev *dev = fh->dev; 2142 struct saa7134_format *fmt; 2143 2144 if (!capable(CAP_SYS_ADMIN) && 2145 !capable(CAP_SYS_RAWIO)) 2146 return -EPERM; 2147 2148 /* check args */ 2149 fmt = format_by_fourcc(fb->fmt.pixelformat); 2150 if (NULL == fmt) 2151 return -EINVAL; 2152 2153 /* ok, accept it */ 2154 dev->ovbuf = *fb; 2155 dev->ovfmt = fmt; 2156 if (0 == dev->ovbuf.fmt.bytesperline) 2157 dev->ovbuf.fmt.bytesperline = 2158 dev->ovbuf.fmt.width*fmt->depth/8; 2159 return 0; 2160 } 2161 2162 static int saa7134_overlay(struct file *file, void *f, unsigned int on) 2163 { 2164 struct saa7134_fh *fh = f; 2165 struct saa7134_dev *dev = fh->dev; 2166 unsigned long flags; 2167 2168 if (on) { 2169 if (saa7134_no_overlay > 0) { 2170 dprintk("no_overlay\n"); 2171 return -EINVAL; 2172 } 2173 2174 if (!res_get(dev, fh, RESOURCE_OVERLAY)) 2175 return -EBUSY; 2176 spin_lock_irqsave(&dev->slock, flags); 2177 start_preview(dev, fh); 2178 spin_unlock_irqrestore(&dev->slock, flags); 2179 } 2180 if (!on) { 2181 if (!res_check(fh, RESOURCE_OVERLAY)) 2182 return -EINVAL; 2183 spin_lock_irqsave(&dev->slock, flags); 2184 stop_preview(dev, fh); 2185 spin_unlock_irqrestore(&dev->slock, flags); 2186 res_free(dev, fh, RESOURCE_OVERLAY); 2187 } 2188 return 0; 2189 } 2190 2191 static int saa7134_reqbufs(struct file *file, void *priv, 2192 struct v4l2_requestbuffers *p) 2193 { 2194 return videobuf_reqbufs(saa7134_queue(file), p); 2195 } 2196 2197 static int saa7134_querybuf(struct file *file, void *priv, 2198 struct v4l2_buffer *b) 2199 { 2200 return videobuf_querybuf(saa7134_queue(file), b); 2201 } 2202 2203 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2204 { 2205 return videobuf_qbuf(saa7134_queue(file), b); 2206 } 2207 2208 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2209 { 2210 return videobuf_dqbuf(saa7134_queue(file), b, 2211 file->f_flags & O_NONBLOCK); 2212 } 2213 2214 static int saa7134_streamon(struct file *file, void *priv, 2215 enum v4l2_buf_type type) 2216 { 2217 struct saa7134_fh *fh = priv; 2218 struct saa7134_dev *dev = fh->dev; 2219 int res = saa7134_resource(file); 2220 2221 if (!res_get(dev, fh, res)) 2222 return -EBUSY; 2223 2224 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 2225 * configured conservatively, there's 22 usec of buffering for video. 2226 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 2227 * margin in case the FIFO is configured differently to the datasheet. 2228 * Unfortunately, I lack register-level documentation to check the 2229 * Linux FIFO setup and confirm the perfect value. 2230 */ 2231 pm_qos_add_request(&dev->qos_request, 2232 PM_QOS_CPU_DMA_LATENCY, 2233 20); 2234 2235 return videobuf_streamon(saa7134_queue(file)); 2236 } 2237 2238 static int saa7134_streamoff(struct file *file, void *priv, 2239 enum v4l2_buf_type type) 2240 { 2241 int err; 2242 struct saa7134_fh *fh = priv; 2243 struct saa7134_dev *dev = fh->dev; 2244 int res = saa7134_resource(file); 2245 2246 pm_qos_remove_request(&dev->qos_request); 2247 2248 err = videobuf_streamoff(saa7134_queue(file)); 2249 if (err < 0) 2250 return err; 2251 res_free(dev, fh, res); 2252 return 0; 2253 } 2254 2255 #ifdef CONFIG_VIDEO_ADV_DEBUG 2256 static int vidioc_g_register (struct file *file, void *priv, 2257 struct v4l2_dbg_register *reg) 2258 { 2259 struct saa7134_fh *fh = priv; 2260 struct saa7134_dev *dev = fh->dev; 2261 2262 reg->val = saa_readb(reg->reg & 0xffffff); 2263 reg->size = 1; 2264 return 0; 2265 } 2266 2267 static int vidioc_s_register (struct file *file, void *priv, 2268 const struct v4l2_dbg_register *reg) 2269 { 2270 struct saa7134_fh *fh = priv; 2271 struct saa7134_dev *dev = fh->dev; 2272 2273 saa_writeb(reg->reg & 0xffffff, reg->val); 2274 return 0; 2275 } 2276 #endif 2277 2278 static int radio_g_tuner(struct file *file, void *priv, 2279 struct v4l2_tuner *t) 2280 { 2281 struct saa7134_fh *fh = file->private_data; 2282 struct saa7134_dev *dev = fh->dev; 2283 2284 if (0 != t->index) 2285 return -EINVAL; 2286 2287 strcpy(t->name, "Radio"); 2288 2289 saa_call_all(dev, tuner, g_tuner, t); 2290 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 2291 if (dev->input->amux == TV) { 2292 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 2293 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 2294 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 2295 } 2296 return 0; 2297 } 2298 static int radio_s_tuner(struct file *file, void *priv, 2299 const struct v4l2_tuner *t) 2300 { 2301 struct saa7134_fh *fh = file->private_data; 2302 struct saa7134_dev *dev = fh->dev; 2303 2304 if (0 != t->index) 2305 return -EINVAL; 2306 2307 saa_call_all(dev, tuner, s_tuner, t); 2308 return 0; 2309 } 2310 2311 static int radio_enum_input(struct file *file, void *priv, 2312 struct v4l2_input *i) 2313 { 2314 if (i->index != 0) 2315 return -EINVAL; 2316 2317 strcpy(i->name, "Radio"); 2318 i->type = V4L2_INPUT_TYPE_TUNER; 2319 2320 return 0; 2321 } 2322 2323 static int radio_g_input(struct file *filp, void *priv, unsigned int *i) 2324 { 2325 *i = 0; 2326 return 0; 2327 } 2328 2329 static int radio_s_input(struct file *filp, void *priv, unsigned int i) 2330 { 2331 return 0; 2332 } 2333 2334 static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm) 2335 { 2336 return 0; 2337 } 2338 2339 static int radio_queryctrl(struct file *file, void *priv, 2340 struct v4l2_queryctrl *c) 2341 { 2342 const struct v4l2_queryctrl *ctrl; 2343 2344 if (c->id < V4L2_CID_BASE || 2345 c->id >= V4L2_CID_LASTP1) 2346 return -EINVAL; 2347 if (c->id == V4L2_CID_AUDIO_MUTE) { 2348 ctrl = ctrl_by_id(c->id); 2349 *c = *ctrl; 2350 } else 2351 *c = no_ctrl; 2352 return 0; 2353 } 2354 2355 static const struct v4l2_file_operations video_fops = 2356 { 2357 .owner = THIS_MODULE, 2358 .open = video_open, 2359 .release = video_release, 2360 .read = video_read, 2361 .poll = video_poll, 2362 .mmap = video_mmap, 2363 .ioctl = video_ioctl2, 2364 }; 2365 2366 static const struct v4l2_ioctl_ops video_ioctl_ops = { 2367 .vidioc_querycap = saa7134_querycap, 2368 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 2369 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 2370 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 2371 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 2372 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 2373 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 2374 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 2375 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 2376 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2377 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2378 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2379 .vidioc_cropcap = saa7134_cropcap, 2380 .vidioc_reqbufs = saa7134_reqbufs, 2381 .vidioc_querybuf = saa7134_querybuf, 2382 .vidioc_qbuf = saa7134_qbuf, 2383 .vidioc_dqbuf = saa7134_dqbuf, 2384 .vidioc_s_std = saa7134_s_std, 2385 .vidioc_g_std = saa7134_g_std, 2386 .vidioc_enum_input = saa7134_enum_input, 2387 .vidioc_g_input = saa7134_g_input, 2388 .vidioc_s_input = saa7134_s_input, 2389 .vidioc_queryctrl = saa7134_queryctrl, 2390 .vidioc_g_ctrl = saa7134_g_ctrl, 2391 .vidioc_s_ctrl = saa7134_s_ctrl, 2392 .vidioc_streamon = saa7134_streamon, 2393 .vidioc_streamoff = saa7134_streamoff, 2394 .vidioc_g_tuner = saa7134_g_tuner, 2395 .vidioc_s_tuner = saa7134_s_tuner, 2396 .vidioc_g_crop = saa7134_g_crop, 2397 .vidioc_s_crop = saa7134_s_crop, 2398 .vidioc_g_fbuf = saa7134_g_fbuf, 2399 .vidioc_s_fbuf = saa7134_s_fbuf, 2400 .vidioc_overlay = saa7134_overlay, 2401 .vidioc_g_frequency = saa7134_g_frequency, 2402 .vidioc_s_frequency = saa7134_s_frequency, 2403 #ifdef CONFIG_VIDEO_ADV_DEBUG 2404 .vidioc_g_register = vidioc_g_register, 2405 .vidioc_s_register = vidioc_s_register, 2406 #endif 2407 }; 2408 2409 static const struct v4l2_file_operations radio_fops = { 2410 .owner = THIS_MODULE, 2411 .open = video_open, 2412 .read = radio_read, 2413 .release = video_release, 2414 .ioctl = video_ioctl2, 2415 .poll = radio_poll, 2416 }; 2417 2418 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2419 .vidioc_querycap = saa7134_querycap, 2420 .vidioc_g_tuner = radio_g_tuner, 2421 .vidioc_enum_input = radio_enum_input, 2422 .vidioc_s_tuner = radio_s_tuner, 2423 .vidioc_s_input = radio_s_input, 2424 .vidioc_s_std = radio_s_std, 2425 .vidioc_queryctrl = radio_queryctrl, 2426 .vidioc_g_input = radio_g_input, 2427 .vidioc_g_ctrl = saa7134_g_ctrl, 2428 .vidioc_s_ctrl = saa7134_s_ctrl, 2429 .vidioc_g_frequency = saa7134_g_frequency, 2430 .vidioc_s_frequency = saa7134_s_frequency, 2431 }; 2432 2433 /* ----------------------------------------------------------- */ 2434 /* exported stuff */ 2435 2436 struct video_device saa7134_video_template = { 2437 .name = "saa7134-video", 2438 .fops = &video_fops, 2439 .ioctl_ops = &video_ioctl_ops, 2440 .tvnorms = SAA7134_NORMS, 2441 }; 2442 2443 struct video_device saa7134_radio_template = { 2444 .name = "saa7134-radio", 2445 .fops = &radio_fops, 2446 .ioctl_ops = &radio_ioctl_ops, 2447 }; 2448 2449 int saa7134_video_init1(struct saa7134_dev *dev) 2450 { 2451 /* sanitycheck insmod options */ 2452 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2453 gbuffers = 2; 2454 if (gbufsize > gbufsize_max) 2455 gbufsize = gbufsize_max; 2456 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2457 2458 /* put some sensible defaults into the data structures ... */ 2459 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; 2460 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; 2461 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; 2462 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; 2463 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; 2464 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; 2465 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; 2466 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; 2467 2468 if (dev->tda9887_conf && dev->ctl_automute) 2469 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2470 dev->automute = 0; 2471 2472 INIT_LIST_HEAD(&dev->video_q.queue); 2473 init_timer(&dev->video_q.timeout); 2474 dev->video_q.timeout.function = saa7134_buffer_timeout; 2475 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2476 dev->video_q.dev = dev; 2477 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2478 dev->width = 720; 2479 dev->height = 576; 2480 dev->win.w.width = dev->width; 2481 dev->win.w.height = dev->height; 2482 dev->win.field = V4L2_FIELD_INTERLACED; 2483 dev->ovbuf.fmt.width = dev->width; 2484 dev->ovbuf.fmt.height = dev->height; 2485 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2486 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2487 2488 if (saa7134_boards[dev->board].video_out) 2489 saa7134_videoport_init(dev); 2490 2491 return 0; 2492 } 2493 2494 int saa7134_videoport_init(struct saa7134_dev *dev) 2495 { 2496 /* enable video output */ 2497 int vo = saa7134_boards[dev->board].video_out; 2498 int video_reg; 2499 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2500 2501 /* Configure videoport */ 2502 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2503 video_reg = video_out[vo][1]; 2504 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2505 video_reg &= ~VP_T_CODE_P_INVERTED; 2506 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2507 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2508 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2509 video_reg = video_out[vo][5]; 2510 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2511 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2512 if (vid_port_opts & SET_CLOCK_INVERTED) 2513 video_reg |= VP_CLK_CTRL1_INVERTED; 2514 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2515 video_reg = video_out[vo][6]; 2516 if (vid_port_opts & SET_VSYNC_OFF) { 2517 video_reg &= ~VP_VS_TYPE_MASK; 2518 video_reg |= VP_VS_TYPE_OFF; 2519 } 2520 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2521 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2522 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2523 2524 /* Start videoport */ 2525 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2526 2527 return 0; 2528 } 2529 2530 int saa7134_video_init2(struct saa7134_dev *dev) 2531 { 2532 /* init video hw */ 2533 set_tvnorm(dev,&tvnorms[0]); 2534 video_mux(dev,0); 2535 saa7134_tvaudio_setmute(dev); 2536 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2537 return 0; 2538 } 2539 2540 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2541 { 2542 static const char *st[] = { 2543 "(no signal)", "NTSC", "PAL", "SECAM" }; 2544 u32 st1,st2; 2545 2546 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2547 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2548 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", 2549 (st1 & 0x40) ? "not locked" : "locked", 2550 (st2 & 0x40) ? "no" : "yes", 2551 st[st1 & 0x03]); 2552 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2553 2554 if (dev->nosignal) { 2555 /* no video signal -> mute audio */ 2556 if (dev->ctl_automute) 2557 dev->automute = 1; 2558 saa7134_tvaudio_setmute(dev); 2559 } else { 2560 /* wake up tvaudio audio carrier scan thread */ 2561 saa7134_tvaudio_do_scan(dev); 2562 } 2563 2564 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2565 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2566 else 2567 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2568 2569 if (dev->mops && dev->mops->signal_change) 2570 dev->mops->signal_change(dev); 2571 } 2572 2573 2574 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2575 { 2576 enum v4l2_field field; 2577 2578 spin_lock(&dev->slock); 2579 if (dev->video_q.curr) { 2580 dev->video_fieldcount++; 2581 field = dev->video_q.curr->vb.field; 2582 if (V4L2_FIELD_HAS_BOTH(field)) { 2583 /* make sure we have seen both fields */ 2584 if ((status & 0x10) == 0x00) { 2585 dev->video_q.curr->top_seen = 1; 2586 goto done; 2587 } 2588 if (!dev->video_q.curr->top_seen) 2589 goto done; 2590 } else if (field == V4L2_FIELD_TOP) { 2591 if ((status & 0x10) != 0x10) 2592 goto done; 2593 } else if (field == V4L2_FIELD_BOTTOM) { 2594 if ((status & 0x10) != 0x00) 2595 goto done; 2596 } 2597 dev->video_q.curr->vb.field_count = dev->video_fieldcount; 2598 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE); 2599 } 2600 saa7134_buffer_next(dev,&dev->video_q); 2601 2602 done: 2603 spin_unlock(&dev->slock); 2604 } 2605 2606 /* ----------------------------------------------------------- */ 2607 /* 2608 * Local variables: 2609 * c-basic-offset: 8 2610 * End: 2611 */ 2612