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 pm_qos_remove_request(&dev->qos_request); 1459 videobuf_streamoff(&fh->cap); 1460 res_free(dev,fh,RESOURCE_VIDEO); 1461 } 1462 if (fh->cap.read_buf) { 1463 buffer_release(&fh->cap,fh->cap.read_buf); 1464 kfree(fh->cap.read_buf); 1465 } 1466 1467 /* stop vbi capture */ 1468 if (res_check(fh, RESOURCE_VBI)) { 1469 videobuf_stop(&fh->vbi); 1470 res_free(dev,fh,RESOURCE_VBI); 1471 } 1472 1473 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1474 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1475 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1476 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1477 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1478 1479 saa_call_all(dev, core, s_power, 0); 1480 if (vdev->vfl_type == VFL_TYPE_RADIO) 1481 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1482 1483 /* free stuff */ 1484 videobuf_mmap_free(&fh->cap); 1485 videobuf_mmap_free(&fh->vbi); 1486 saa7134_pgtable_free(dev->pci,&fh->pt_cap); 1487 saa7134_pgtable_free(dev->pci,&fh->pt_vbi); 1488 1489 v4l2_fh_del(&fh->fh); 1490 v4l2_fh_exit(&fh->fh); 1491 file->private_data = NULL; 1492 kfree(fh); 1493 return 0; 1494 } 1495 1496 static int video_mmap(struct file *file, struct vm_area_struct * vma) 1497 { 1498 return videobuf_mmap_mapper(saa7134_queue(file), vma); 1499 } 1500 1501 static ssize_t radio_read(struct file *file, char __user *data, 1502 size_t count, loff_t *ppos) 1503 { 1504 struct saa7134_fh *fh = file->private_data; 1505 struct saa7134_dev *dev = fh->dev; 1506 struct saa6588_command cmd; 1507 1508 cmd.block_count = count/3; 1509 cmd.buffer = data; 1510 cmd.instance = file; 1511 cmd.result = -ENODEV; 1512 1513 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1514 1515 return cmd.result; 1516 } 1517 1518 static unsigned int radio_poll(struct file *file, poll_table *wait) 1519 { 1520 struct saa7134_fh *fh = file->private_data; 1521 struct saa7134_dev *dev = fh->dev; 1522 struct saa6588_command cmd; 1523 1524 cmd.instance = file; 1525 cmd.event_list = wait; 1526 cmd.result = -ENODEV; 1527 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1528 1529 return cmd.result; 1530 } 1531 1532 /* ------------------------------------------------------------------ */ 1533 1534 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1535 struct v4l2_format *f) 1536 { 1537 struct saa7134_fh *fh = priv; 1538 struct saa7134_dev *dev = fh->dev; 1539 struct saa7134_tvnorm *norm = dev->tvnorm; 1540 1541 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1542 f->fmt.vbi.sampling_rate = 6750000 * 4; 1543 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1544 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1545 f->fmt.vbi.offset = 64 * 4; 1546 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1547 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1548 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1549 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1550 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1551 1552 return 0; 1553 } 1554 1555 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1556 struct v4l2_format *f) 1557 { 1558 struct saa7134_fh *fh = priv; 1559 struct saa7134_dev *dev = fh->dev; 1560 1561 f->fmt.pix.width = dev->width; 1562 f->fmt.pix.height = dev->height; 1563 f->fmt.pix.field = fh->cap.field; 1564 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1565 f->fmt.pix.bytesperline = 1566 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1567 f->fmt.pix.sizeimage = 1568 f->fmt.pix.height * f->fmt.pix.bytesperline; 1569 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1570 f->fmt.pix.priv = 0; 1571 return 0; 1572 } 1573 1574 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1575 struct v4l2_format *f) 1576 { 1577 struct saa7134_fh *fh = priv; 1578 struct saa7134_dev *dev = fh->dev; 1579 struct v4l2_clip __user *clips = f->fmt.win.clips; 1580 u32 clipcount = f->fmt.win.clipcount; 1581 int err = 0; 1582 int i; 1583 1584 if (saa7134_no_overlay > 0) { 1585 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1586 return -EINVAL; 1587 } 1588 mutex_lock(&dev->lock); 1589 f->fmt.win = dev->win; 1590 f->fmt.win.clips = clips; 1591 if (clips == NULL) 1592 clipcount = 0; 1593 if (dev->nclips < clipcount) 1594 clipcount = dev->nclips; 1595 f->fmt.win.clipcount = clipcount; 1596 1597 for (i = 0; !err && i < clipcount; i++) { 1598 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1599 sizeof(struct v4l2_rect))) 1600 err = -EFAULT; 1601 } 1602 mutex_unlock(&dev->lock); 1603 1604 return err; 1605 } 1606 1607 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1608 struct v4l2_format *f) 1609 { 1610 struct saa7134_fh *fh = priv; 1611 struct saa7134_dev *dev = fh->dev; 1612 struct saa7134_format *fmt; 1613 enum v4l2_field field; 1614 unsigned int maxw, maxh; 1615 1616 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1617 if (NULL == fmt) 1618 return -EINVAL; 1619 1620 field = f->fmt.pix.field; 1621 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1622 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1623 1624 if (V4L2_FIELD_ANY == field) { 1625 field = (f->fmt.pix.height > maxh/2) 1626 ? V4L2_FIELD_INTERLACED 1627 : V4L2_FIELD_BOTTOM; 1628 } 1629 switch (field) { 1630 case V4L2_FIELD_TOP: 1631 case V4L2_FIELD_BOTTOM: 1632 maxh = maxh / 2; 1633 break; 1634 default: 1635 field = V4L2_FIELD_INTERLACED; 1636 break; 1637 } 1638 1639 f->fmt.pix.field = field; 1640 if (f->fmt.pix.width < 48) 1641 f->fmt.pix.width = 48; 1642 if (f->fmt.pix.height < 32) 1643 f->fmt.pix.height = 32; 1644 if (f->fmt.pix.width > maxw) 1645 f->fmt.pix.width = maxw; 1646 if (f->fmt.pix.height > maxh) 1647 f->fmt.pix.height = maxh; 1648 f->fmt.pix.width &= ~0x03; 1649 f->fmt.pix.bytesperline = 1650 (f->fmt.pix.width * fmt->depth) >> 3; 1651 f->fmt.pix.sizeimage = 1652 f->fmt.pix.height * f->fmt.pix.bytesperline; 1653 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1654 f->fmt.pix.priv = 0; 1655 1656 return 0; 1657 } 1658 1659 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1660 struct v4l2_format *f) 1661 { 1662 struct saa7134_fh *fh = priv; 1663 struct saa7134_dev *dev = fh->dev; 1664 1665 if (saa7134_no_overlay > 0) { 1666 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1667 return -EINVAL; 1668 } 1669 1670 if (f->fmt.win.clips == NULL) 1671 f->fmt.win.clipcount = 0; 1672 return verify_preview(dev, &f->fmt.win, true); 1673 } 1674 1675 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1676 struct v4l2_format *f) 1677 { 1678 struct saa7134_fh *fh = priv; 1679 struct saa7134_dev *dev = fh->dev; 1680 int err; 1681 1682 err = saa7134_try_fmt_vid_cap(file, priv, f); 1683 if (0 != err) 1684 return err; 1685 1686 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1687 dev->width = f->fmt.pix.width; 1688 dev->height = f->fmt.pix.height; 1689 fh->cap.field = f->fmt.pix.field; 1690 return 0; 1691 } 1692 1693 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1694 struct v4l2_format *f) 1695 { 1696 struct saa7134_fh *fh = priv; 1697 struct saa7134_dev *dev = fh->dev; 1698 int err; 1699 unsigned long flags; 1700 1701 if (saa7134_no_overlay > 0) { 1702 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1703 return -EINVAL; 1704 } 1705 if (f->fmt.win.clips == NULL) 1706 f->fmt.win.clipcount = 0; 1707 err = verify_preview(dev, &f->fmt.win, true); 1708 if (0 != err) 1709 return err; 1710 1711 mutex_lock(&dev->lock); 1712 1713 dev->win = f->fmt.win; 1714 dev->nclips = f->fmt.win.clipcount; 1715 1716 if (copy_from_user(dev->clips, f->fmt.win.clips, 1717 sizeof(struct v4l2_clip) * dev->nclips)) { 1718 mutex_unlock(&dev->lock); 1719 return -EFAULT; 1720 } 1721 1722 if (res_check(fh, RESOURCE_OVERLAY)) { 1723 spin_lock_irqsave(&dev->slock, flags); 1724 stop_preview(dev, fh); 1725 start_preview(dev, fh); 1726 spin_unlock_irqrestore(&dev->slock, flags); 1727 } 1728 1729 mutex_unlock(&dev->lock); 1730 return 0; 1731 } 1732 1733 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c) 1734 { 1735 const struct v4l2_queryctrl *ctrl; 1736 1737 if ((c->id < V4L2_CID_BASE || 1738 c->id >= V4L2_CID_LASTP1) && 1739 (c->id < V4L2_CID_PRIVATE_BASE || 1740 c->id >= V4L2_CID_PRIVATE_LASTP1)) 1741 return -EINVAL; 1742 ctrl = ctrl_by_id(c->id); 1743 *c = (NULL != ctrl) ? *ctrl : no_ctrl; 1744 return 0; 1745 } 1746 EXPORT_SYMBOL_GPL(saa7134_queryctrl); 1747 1748 static int saa7134_enum_input(struct file *file, void *priv, 1749 struct v4l2_input *i) 1750 { 1751 struct saa7134_fh *fh = priv; 1752 struct saa7134_dev *dev = fh->dev; 1753 unsigned int n; 1754 1755 n = i->index; 1756 if (n >= SAA7134_INPUT_MAX) 1757 return -EINVAL; 1758 if (NULL == card_in(dev, i->index).name) 1759 return -EINVAL; 1760 i->index = n; 1761 i->type = V4L2_INPUT_TYPE_CAMERA; 1762 strcpy(i->name, card_in(dev, n).name); 1763 if (card_in(dev, n).tv) 1764 i->type = V4L2_INPUT_TYPE_TUNER; 1765 if (n == dev->ctl_input) { 1766 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1767 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1768 1769 if (0 != (v1 & 0x40)) 1770 i->status |= V4L2_IN_ST_NO_H_LOCK; 1771 if (0 != (v2 & 0x40)) 1772 i->status |= V4L2_IN_ST_NO_SYNC; 1773 if (0 != (v2 & 0x0e)) 1774 i->status |= V4L2_IN_ST_MACROVISION; 1775 } 1776 i->std = SAA7134_NORMS; 1777 return 0; 1778 } 1779 1780 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1781 { 1782 struct saa7134_fh *fh = priv; 1783 struct saa7134_dev *dev = fh->dev; 1784 1785 *i = dev->ctl_input; 1786 return 0; 1787 } 1788 1789 static int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1790 { 1791 struct saa7134_fh *fh = priv; 1792 struct saa7134_dev *dev = fh->dev; 1793 1794 if (i >= SAA7134_INPUT_MAX) 1795 return -EINVAL; 1796 if (NULL == card_in(dev, i).name) 1797 return -EINVAL; 1798 mutex_lock(&dev->lock); 1799 video_mux(dev, i); 1800 mutex_unlock(&dev->lock); 1801 return 0; 1802 } 1803 1804 static int saa7134_querycap(struct file *file, void *priv, 1805 struct v4l2_capability *cap) 1806 { 1807 struct saa7134_fh *fh = priv; 1808 struct saa7134_dev *dev = fh->dev; 1809 struct video_device *vdev = video_devdata(file); 1810 u32 radio_caps, video_caps, vbi_caps; 1811 1812 unsigned int tuner_type = dev->tuner_type; 1813 1814 strcpy(cap->driver, "saa7134"); 1815 strlcpy(cap->card, saa7134_boards[dev->board].name, 1816 sizeof(cap->card)); 1817 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1818 1819 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1820 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1821 cap->device_caps |= V4L2_CAP_TUNER; 1822 1823 radio_caps = V4L2_CAP_RADIO; 1824 if (dev->has_rds) 1825 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1826 1827 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1828 if (saa7134_no_overlay <= 0) 1829 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1830 1831 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1832 1833 switch (vdev->vfl_type) { 1834 case VFL_TYPE_RADIO: 1835 cap->device_caps |= radio_caps; 1836 break; 1837 case VFL_TYPE_GRABBER: 1838 cap->device_caps |= video_caps; 1839 break; 1840 case VFL_TYPE_VBI: 1841 cap->device_caps |= vbi_caps; 1842 break; 1843 } 1844 cap->capabilities = radio_caps | video_caps | vbi_caps | 1845 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1846 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1847 cap->device_caps &= ~V4L2_CAP_STREAMING; 1848 if (!dev->has_rds) 1849 cap->device_caps &= ~V4L2_CAP_READWRITE; 1850 } 1851 1852 return 0; 1853 } 1854 1855 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id) 1856 { 1857 unsigned long flags; 1858 unsigned int i; 1859 v4l2_std_id fixup; 1860 1861 if (!fh && res_locked(dev, RESOURCE_OVERLAY)) { 1862 /* Don't change the std from the mpeg device 1863 if overlay is active. */ 1864 return -EBUSY; 1865 } 1866 1867 for (i = 0; i < TVNORMS; i++) 1868 if (id == tvnorms[i].id) 1869 break; 1870 1871 if (i == TVNORMS) 1872 for (i = 0; i < TVNORMS; i++) 1873 if (id & tvnorms[i].id) 1874 break; 1875 if (i == TVNORMS) 1876 return -EINVAL; 1877 1878 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1879 if (secam[0] == 'L' || secam[0] == 'l') { 1880 if (secam[1] == 'C' || secam[1] == 'c') 1881 fixup = V4L2_STD_SECAM_LC; 1882 else 1883 fixup = V4L2_STD_SECAM_L; 1884 } else { 1885 if (secam[0] == 'D' || secam[0] == 'd') 1886 fixup = V4L2_STD_SECAM_DK; 1887 else 1888 fixup = V4L2_STD_SECAM; 1889 } 1890 for (i = 0; i < TVNORMS; i++) { 1891 if (fixup == tvnorms[i].id) 1892 break; 1893 } 1894 if (i == TVNORMS) 1895 return -EINVAL; 1896 } 1897 1898 id = tvnorms[i].id; 1899 1900 mutex_lock(&dev->lock); 1901 if (fh && res_check(fh, RESOURCE_OVERLAY)) { 1902 spin_lock_irqsave(&dev->slock, flags); 1903 stop_preview(dev, fh); 1904 spin_unlock_irqrestore(&dev->slock, flags); 1905 1906 set_tvnorm(dev, &tvnorms[i]); 1907 1908 spin_lock_irqsave(&dev->slock, flags); 1909 start_preview(dev, fh); 1910 spin_unlock_irqrestore(&dev->slock, flags); 1911 } else 1912 set_tvnorm(dev, &tvnorms[i]); 1913 1914 saa7134_tvaudio_do_scan(dev); 1915 mutex_unlock(&dev->lock); 1916 return 0; 1917 } 1918 EXPORT_SYMBOL_GPL(saa7134_s_std_internal); 1919 1920 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1921 { 1922 struct saa7134_fh *fh = priv; 1923 1924 return saa7134_s_std_internal(fh->dev, fh, id); 1925 } 1926 1927 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1928 { 1929 struct saa7134_fh *fh = priv; 1930 struct saa7134_dev *dev = fh->dev; 1931 1932 *id = dev->tvnorm->id; 1933 return 0; 1934 } 1935 1936 static int saa7134_cropcap(struct file *file, void *priv, 1937 struct v4l2_cropcap *cap) 1938 { 1939 struct saa7134_fh *fh = priv; 1940 struct saa7134_dev *dev = fh->dev; 1941 1942 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1943 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1944 return -EINVAL; 1945 cap->bounds = dev->crop_bounds; 1946 cap->defrect = dev->crop_defrect; 1947 cap->pixelaspect.numerator = 1; 1948 cap->pixelaspect.denominator = 1; 1949 if (dev->tvnorm->id & V4L2_STD_525_60) { 1950 cap->pixelaspect.numerator = 11; 1951 cap->pixelaspect.denominator = 10; 1952 } 1953 if (dev->tvnorm->id & V4L2_STD_625_50) { 1954 cap->pixelaspect.numerator = 54; 1955 cap->pixelaspect.denominator = 59; 1956 } 1957 return 0; 1958 } 1959 1960 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1961 { 1962 struct saa7134_fh *fh = f; 1963 struct saa7134_dev *dev = fh->dev; 1964 1965 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1966 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1967 return -EINVAL; 1968 crop->c = dev->crop_current; 1969 return 0; 1970 } 1971 1972 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1973 { 1974 struct saa7134_fh *fh = f; 1975 struct saa7134_dev *dev = fh->dev; 1976 struct v4l2_rect *b = &dev->crop_bounds; 1977 struct v4l2_rect *c = &dev->crop_current; 1978 1979 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1980 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1981 return -EINVAL; 1982 if (crop->c.height < 0) 1983 return -EINVAL; 1984 if (crop->c.width < 0) 1985 return -EINVAL; 1986 1987 if (res_locked(fh->dev, RESOURCE_OVERLAY)) 1988 return -EBUSY; 1989 if (res_locked(fh->dev, RESOURCE_VIDEO)) 1990 return -EBUSY; 1991 1992 *c = crop->c; 1993 if (c->top < b->top) 1994 c->top = b->top; 1995 if (c->top > b->top + b->height) 1996 c->top = b->top + b->height; 1997 if (c->height > b->top - c->top + b->height) 1998 c->height = b->top - c->top + b->height; 1999 2000 if (c->left < b->left) 2001 c->left = b->left; 2002 if (c->left > b->left + b->width) 2003 c->left = b->left + b->width; 2004 if (c->width > b->left - c->left + b->width) 2005 c->width = b->left - c->left + b->width; 2006 return 0; 2007 } 2008 2009 static int saa7134_g_tuner(struct file *file, void *priv, 2010 struct v4l2_tuner *t) 2011 { 2012 struct saa7134_fh *fh = priv; 2013 struct saa7134_dev *dev = fh->dev; 2014 int n; 2015 2016 if (0 != t->index) 2017 return -EINVAL; 2018 memset(t, 0, sizeof(*t)); 2019 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 2020 if (card_in(dev, n).tv) 2021 break; 2022 } 2023 if (n == SAA7134_INPUT_MAX) 2024 return -EINVAL; 2025 if (NULL != card_in(dev, n).name) { 2026 strcpy(t->name, "Television"); 2027 t->type = V4L2_TUNER_ANALOG_TV; 2028 saa_call_all(dev, tuner, g_tuner, t); 2029 t->capability = V4L2_TUNER_CAP_NORM | 2030 V4L2_TUNER_CAP_STEREO | 2031 V4L2_TUNER_CAP_LANG1 | 2032 V4L2_TUNER_CAP_LANG2; 2033 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 2034 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 2035 } 2036 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 2037 t->signal = 0xffff; 2038 return 0; 2039 } 2040 2041 static int saa7134_s_tuner(struct file *file, void *priv, 2042 const struct v4l2_tuner *t) 2043 { 2044 struct saa7134_fh *fh = priv; 2045 struct saa7134_dev *dev = fh->dev; 2046 int rx, mode; 2047 2048 if (0 != t->index) 2049 return -EINVAL; 2050 2051 mode = dev->thread.mode; 2052 if (UNSET == mode) { 2053 rx = saa7134_tvaudio_getstereo(dev); 2054 mode = saa7134_tvaudio_rx2mode(rx); 2055 } 2056 if (mode != t->audmode) 2057 dev->thread.mode = t->audmode; 2058 2059 return 0; 2060 } 2061 2062 static int saa7134_g_frequency(struct file *file, void *priv, 2063 struct v4l2_frequency *f) 2064 { 2065 struct saa7134_fh *fh = priv; 2066 struct saa7134_dev *dev = fh->dev; 2067 2068 if (0 != f->tuner) 2069 return -EINVAL; 2070 2071 saa_call_all(dev, tuner, g_frequency, f); 2072 2073 return 0; 2074 } 2075 2076 static int saa7134_s_frequency(struct file *file, void *priv, 2077 const struct v4l2_frequency *f) 2078 { 2079 struct saa7134_fh *fh = priv; 2080 struct saa7134_dev *dev = fh->dev; 2081 2082 if (0 != f->tuner) 2083 return -EINVAL; 2084 mutex_lock(&dev->lock); 2085 2086 saa_call_all(dev, tuner, s_frequency, f); 2087 2088 saa7134_tvaudio_do_scan(dev); 2089 mutex_unlock(&dev->lock); 2090 return 0; 2091 } 2092 2093 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 2094 struct v4l2_fmtdesc *f) 2095 { 2096 if (f->index >= FORMATS) 2097 return -EINVAL; 2098 2099 strlcpy(f->description, formats[f->index].name, 2100 sizeof(f->description)); 2101 2102 f->pixelformat = formats[f->index].fourcc; 2103 2104 return 0; 2105 } 2106 2107 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 2108 struct v4l2_fmtdesc *f) 2109 { 2110 if (saa7134_no_overlay > 0) { 2111 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 2112 return -EINVAL; 2113 } 2114 2115 if ((f->index >= FORMATS) || formats[f->index].planar) 2116 return -EINVAL; 2117 2118 strlcpy(f->description, formats[f->index].name, 2119 sizeof(f->description)); 2120 2121 f->pixelformat = formats[f->index].fourcc; 2122 2123 return 0; 2124 } 2125 2126 static int saa7134_g_fbuf(struct file *file, void *f, 2127 struct v4l2_framebuffer *fb) 2128 { 2129 struct saa7134_fh *fh = f; 2130 struct saa7134_dev *dev = fh->dev; 2131 2132 *fb = dev->ovbuf; 2133 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 2134 2135 return 0; 2136 } 2137 2138 static int saa7134_s_fbuf(struct file *file, void *f, 2139 const struct v4l2_framebuffer *fb) 2140 { 2141 struct saa7134_fh *fh = f; 2142 struct saa7134_dev *dev = fh->dev; 2143 struct saa7134_format *fmt; 2144 2145 if (!capable(CAP_SYS_ADMIN) && 2146 !capable(CAP_SYS_RAWIO)) 2147 return -EPERM; 2148 2149 /* check args */ 2150 fmt = format_by_fourcc(fb->fmt.pixelformat); 2151 if (NULL == fmt) 2152 return -EINVAL; 2153 2154 /* ok, accept it */ 2155 dev->ovbuf = *fb; 2156 dev->ovfmt = fmt; 2157 if (0 == dev->ovbuf.fmt.bytesperline) 2158 dev->ovbuf.fmt.bytesperline = 2159 dev->ovbuf.fmt.width*fmt->depth/8; 2160 return 0; 2161 } 2162 2163 static int saa7134_overlay(struct file *file, void *f, unsigned int on) 2164 { 2165 struct saa7134_fh *fh = f; 2166 struct saa7134_dev *dev = fh->dev; 2167 unsigned long flags; 2168 2169 if (on) { 2170 if (saa7134_no_overlay > 0) { 2171 dprintk("no_overlay\n"); 2172 return -EINVAL; 2173 } 2174 2175 if (!res_get(dev, fh, RESOURCE_OVERLAY)) 2176 return -EBUSY; 2177 spin_lock_irqsave(&dev->slock, flags); 2178 start_preview(dev, fh); 2179 spin_unlock_irqrestore(&dev->slock, flags); 2180 } 2181 if (!on) { 2182 if (!res_check(fh, RESOURCE_OVERLAY)) 2183 return -EINVAL; 2184 spin_lock_irqsave(&dev->slock, flags); 2185 stop_preview(dev, fh); 2186 spin_unlock_irqrestore(&dev->slock, flags); 2187 res_free(dev, fh, RESOURCE_OVERLAY); 2188 } 2189 return 0; 2190 } 2191 2192 static int saa7134_reqbufs(struct file *file, void *priv, 2193 struct v4l2_requestbuffers *p) 2194 { 2195 return videobuf_reqbufs(saa7134_queue(file), p); 2196 } 2197 2198 static int saa7134_querybuf(struct file *file, void *priv, 2199 struct v4l2_buffer *b) 2200 { 2201 return videobuf_querybuf(saa7134_queue(file), b); 2202 } 2203 2204 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2205 { 2206 return videobuf_qbuf(saa7134_queue(file), b); 2207 } 2208 2209 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2210 { 2211 return videobuf_dqbuf(saa7134_queue(file), b, 2212 file->f_flags & O_NONBLOCK); 2213 } 2214 2215 static int saa7134_streamon(struct file *file, void *priv, 2216 enum v4l2_buf_type type) 2217 { 2218 struct saa7134_fh *fh = priv; 2219 struct saa7134_dev *dev = fh->dev; 2220 int res = saa7134_resource(file); 2221 2222 if (!res_get(dev, fh, res)) 2223 return -EBUSY; 2224 2225 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 2226 * configured conservatively, there's 22 usec of buffering for video. 2227 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 2228 * margin in case the FIFO is configured differently to the datasheet. 2229 * Unfortunately, I lack register-level documentation to check the 2230 * Linux FIFO setup and confirm the perfect value. 2231 */ 2232 pm_qos_add_request(&dev->qos_request, 2233 PM_QOS_CPU_DMA_LATENCY, 2234 20); 2235 2236 return videobuf_streamon(saa7134_queue(file)); 2237 } 2238 2239 static int saa7134_streamoff(struct file *file, void *priv, 2240 enum v4l2_buf_type type) 2241 { 2242 int err; 2243 struct saa7134_fh *fh = priv; 2244 struct saa7134_dev *dev = fh->dev; 2245 int res = saa7134_resource(file); 2246 2247 pm_qos_remove_request(&dev->qos_request); 2248 2249 err = videobuf_streamoff(saa7134_queue(file)); 2250 if (err < 0) 2251 return err; 2252 res_free(dev, fh, res); 2253 return 0; 2254 } 2255 2256 #ifdef CONFIG_VIDEO_ADV_DEBUG 2257 static int vidioc_g_register (struct file *file, void *priv, 2258 struct v4l2_dbg_register *reg) 2259 { 2260 struct saa7134_fh *fh = priv; 2261 struct saa7134_dev *dev = fh->dev; 2262 2263 reg->val = saa_readb(reg->reg & 0xffffff); 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 saa_writeb(reg->reg & 0xffffff, reg->val); 2275 return 0; 2276 } 2277 #endif 2278 2279 static int radio_g_tuner(struct file *file, void *priv, 2280 struct v4l2_tuner *t) 2281 { 2282 struct saa7134_fh *fh = file->private_data; 2283 struct saa7134_dev *dev = fh->dev; 2284 2285 if (0 != t->index) 2286 return -EINVAL; 2287 2288 strcpy(t->name, "Radio"); 2289 2290 saa_call_all(dev, tuner, g_tuner, t); 2291 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 2292 if (dev->input->amux == TV) { 2293 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 2294 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 2295 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 2296 } 2297 return 0; 2298 } 2299 static int radio_s_tuner(struct file *file, void *priv, 2300 const struct v4l2_tuner *t) 2301 { 2302 struct saa7134_fh *fh = file->private_data; 2303 struct saa7134_dev *dev = fh->dev; 2304 2305 if (0 != t->index) 2306 return -EINVAL; 2307 2308 saa_call_all(dev, tuner, s_tuner, t); 2309 return 0; 2310 } 2311 2312 static int radio_enum_input(struct file *file, void *priv, 2313 struct v4l2_input *i) 2314 { 2315 if (i->index != 0) 2316 return -EINVAL; 2317 2318 strcpy(i->name, "Radio"); 2319 i->type = V4L2_INPUT_TYPE_TUNER; 2320 2321 return 0; 2322 } 2323 2324 static int radio_g_input(struct file *filp, void *priv, unsigned int *i) 2325 { 2326 *i = 0; 2327 return 0; 2328 } 2329 2330 static int radio_s_input(struct file *filp, void *priv, unsigned int i) 2331 { 2332 return 0; 2333 } 2334 2335 static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm) 2336 { 2337 return 0; 2338 } 2339 2340 static int radio_queryctrl(struct file *file, void *priv, 2341 struct v4l2_queryctrl *c) 2342 { 2343 const struct v4l2_queryctrl *ctrl; 2344 2345 if (c->id < V4L2_CID_BASE || 2346 c->id >= V4L2_CID_LASTP1) 2347 return -EINVAL; 2348 if (c->id == V4L2_CID_AUDIO_MUTE) { 2349 ctrl = ctrl_by_id(c->id); 2350 *c = *ctrl; 2351 } else 2352 *c = no_ctrl; 2353 return 0; 2354 } 2355 2356 static const struct v4l2_file_operations video_fops = 2357 { 2358 .owner = THIS_MODULE, 2359 .open = video_open, 2360 .release = video_release, 2361 .read = video_read, 2362 .poll = video_poll, 2363 .mmap = video_mmap, 2364 .ioctl = video_ioctl2, 2365 }; 2366 2367 static const struct v4l2_ioctl_ops video_ioctl_ops = { 2368 .vidioc_querycap = saa7134_querycap, 2369 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 2370 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 2371 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 2372 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 2373 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 2374 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 2375 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 2376 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 2377 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2378 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2379 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2380 .vidioc_cropcap = saa7134_cropcap, 2381 .vidioc_reqbufs = saa7134_reqbufs, 2382 .vidioc_querybuf = saa7134_querybuf, 2383 .vidioc_qbuf = saa7134_qbuf, 2384 .vidioc_dqbuf = saa7134_dqbuf, 2385 .vidioc_s_std = saa7134_s_std, 2386 .vidioc_g_std = saa7134_g_std, 2387 .vidioc_enum_input = saa7134_enum_input, 2388 .vidioc_g_input = saa7134_g_input, 2389 .vidioc_s_input = saa7134_s_input, 2390 .vidioc_queryctrl = saa7134_queryctrl, 2391 .vidioc_g_ctrl = saa7134_g_ctrl, 2392 .vidioc_s_ctrl = saa7134_s_ctrl, 2393 .vidioc_streamon = saa7134_streamon, 2394 .vidioc_streamoff = saa7134_streamoff, 2395 .vidioc_g_tuner = saa7134_g_tuner, 2396 .vidioc_s_tuner = saa7134_s_tuner, 2397 .vidioc_g_crop = saa7134_g_crop, 2398 .vidioc_s_crop = saa7134_s_crop, 2399 .vidioc_g_fbuf = saa7134_g_fbuf, 2400 .vidioc_s_fbuf = saa7134_s_fbuf, 2401 .vidioc_overlay = saa7134_overlay, 2402 .vidioc_g_frequency = saa7134_g_frequency, 2403 .vidioc_s_frequency = saa7134_s_frequency, 2404 #ifdef CONFIG_VIDEO_ADV_DEBUG 2405 .vidioc_g_register = vidioc_g_register, 2406 .vidioc_s_register = vidioc_s_register, 2407 #endif 2408 }; 2409 2410 static const struct v4l2_file_operations radio_fops = { 2411 .owner = THIS_MODULE, 2412 .open = video_open, 2413 .read = radio_read, 2414 .release = video_release, 2415 .ioctl = video_ioctl2, 2416 .poll = radio_poll, 2417 }; 2418 2419 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2420 .vidioc_querycap = saa7134_querycap, 2421 .vidioc_g_tuner = radio_g_tuner, 2422 .vidioc_enum_input = radio_enum_input, 2423 .vidioc_s_tuner = radio_s_tuner, 2424 .vidioc_s_input = radio_s_input, 2425 .vidioc_s_std = radio_s_std, 2426 .vidioc_queryctrl = radio_queryctrl, 2427 .vidioc_g_input = radio_g_input, 2428 .vidioc_g_ctrl = saa7134_g_ctrl, 2429 .vidioc_s_ctrl = saa7134_s_ctrl, 2430 .vidioc_g_frequency = saa7134_g_frequency, 2431 .vidioc_s_frequency = saa7134_s_frequency, 2432 }; 2433 2434 /* ----------------------------------------------------------- */ 2435 /* exported stuff */ 2436 2437 struct video_device saa7134_video_template = { 2438 .name = "saa7134-video", 2439 .fops = &video_fops, 2440 .ioctl_ops = &video_ioctl_ops, 2441 .tvnorms = SAA7134_NORMS, 2442 }; 2443 2444 struct video_device saa7134_radio_template = { 2445 .name = "saa7134-radio", 2446 .fops = &radio_fops, 2447 .ioctl_ops = &radio_ioctl_ops, 2448 }; 2449 2450 int saa7134_video_init1(struct saa7134_dev *dev) 2451 { 2452 /* sanitycheck insmod options */ 2453 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2454 gbuffers = 2; 2455 if (gbufsize > gbufsize_max) 2456 gbufsize = gbufsize_max; 2457 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2458 2459 /* put some sensible defaults into the data structures ... */ 2460 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; 2461 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; 2462 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; 2463 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; 2464 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; 2465 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; 2466 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; 2467 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; 2468 2469 if (dev->tda9887_conf && dev->ctl_automute) 2470 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2471 dev->automute = 0; 2472 2473 INIT_LIST_HEAD(&dev->video_q.queue); 2474 init_timer(&dev->video_q.timeout); 2475 dev->video_q.timeout.function = saa7134_buffer_timeout; 2476 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2477 dev->video_q.dev = dev; 2478 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2479 dev->width = 720; 2480 dev->height = 576; 2481 dev->win.w.width = dev->width; 2482 dev->win.w.height = dev->height; 2483 dev->win.field = V4L2_FIELD_INTERLACED; 2484 dev->ovbuf.fmt.width = dev->width; 2485 dev->ovbuf.fmt.height = dev->height; 2486 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2487 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2488 2489 if (saa7134_boards[dev->board].video_out) 2490 saa7134_videoport_init(dev); 2491 2492 return 0; 2493 } 2494 2495 int saa7134_videoport_init(struct saa7134_dev *dev) 2496 { 2497 /* enable video output */ 2498 int vo = saa7134_boards[dev->board].video_out; 2499 int video_reg; 2500 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2501 2502 /* Configure videoport */ 2503 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2504 video_reg = video_out[vo][1]; 2505 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2506 video_reg &= ~VP_T_CODE_P_INVERTED; 2507 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2508 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2509 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2510 video_reg = video_out[vo][5]; 2511 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2512 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2513 if (vid_port_opts & SET_CLOCK_INVERTED) 2514 video_reg |= VP_CLK_CTRL1_INVERTED; 2515 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2516 video_reg = video_out[vo][6]; 2517 if (vid_port_opts & SET_VSYNC_OFF) { 2518 video_reg &= ~VP_VS_TYPE_MASK; 2519 video_reg |= VP_VS_TYPE_OFF; 2520 } 2521 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2522 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2523 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2524 2525 /* Start videoport */ 2526 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2527 2528 return 0; 2529 } 2530 2531 int saa7134_video_init2(struct saa7134_dev *dev) 2532 { 2533 /* init video hw */ 2534 set_tvnorm(dev,&tvnorms[0]); 2535 video_mux(dev,0); 2536 saa7134_tvaudio_setmute(dev); 2537 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2538 return 0; 2539 } 2540 2541 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2542 { 2543 static const char *st[] = { 2544 "(no signal)", "NTSC", "PAL", "SECAM" }; 2545 u32 st1,st2; 2546 2547 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2548 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2549 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", 2550 (st1 & 0x40) ? "not locked" : "locked", 2551 (st2 & 0x40) ? "no" : "yes", 2552 st[st1 & 0x03]); 2553 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2554 2555 if (dev->nosignal) { 2556 /* no video signal -> mute audio */ 2557 if (dev->ctl_automute) 2558 dev->automute = 1; 2559 saa7134_tvaudio_setmute(dev); 2560 } else { 2561 /* wake up tvaudio audio carrier scan thread */ 2562 saa7134_tvaudio_do_scan(dev); 2563 } 2564 2565 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2566 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2567 else 2568 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2569 2570 if (dev->mops && dev->mops->signal_change) 2571 dev->mops->signal_change(dev); 2572 } 2573 2574 2575 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2576 { 2577 enum v4l2_field field; 2578 2579 spin_lock(&dev->slock); 2580 if (dev->video_q.curr) { 2581 dev->video_fieldcount++; 2582 field = dev->video_q.curr->vb.field; 2583 if (V4L2_FIELD_HAS_BOTH(field)) { 2584 /* make sure we have seen both fields */ 2585 if ((status & 0x10) == 0x00) { 2586 dev->video_q.curr->top_seen = 1; 2587 goto done; 2588 } 2589 if (!dev->video_q.curr->top_seen) 2590 goto done; 2591 } else if (field == V4L2_FIELD_TOP) { 2592 if ((status & 0x10) != 0x10) 2593 goto done; 2594 } else if (field == V4L2_FIELD_BOTTOM) { 2595 if ((status & 0x10) != 0x00) 2596 goto done; 2597 } 2598 dev->video_q.curr->vb.field_count = dev->video_fieldcount; 2599 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE); 2600 } 2601 saa7134_buffer_next(dev,&dev->video_q); 2602 2603 done: 2604 spin_unlock(&dev->slock); 2605 } 2606 2607 /* ----------------------------------------------------------- */ 2608 /* 2609 * Local variables: 2610 * c-basic-offset: 8 2611 * End: 2612 */ 2613