1 /* 2 * 3 * device driver for philips saa7134 based TV cards 4 * video4linux video interface 5 * 6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 #include <linux/init.h> 24 #include <linux/list.h> 25 #include <linux/module.h> 26 #include <linux/kernel.h> 27 #include <linux/slab.h> 28 #include <linux/sort.h> 29 30 #include "saa7134-reg.h" 31 #include "saa7134.h" 32 #include <media/v4l2-common.h> 33 #include <media/saa6588.h> 34 35 /* ------------------------------------------------------------------ */ 36 37 unsigned int video_debug; 38 static unsigned int gbuffers = 8; 39 static unsigned int noninterlaced; /* 0 */ 40 static unsigned int gbufsize = 720*576*4; 41 static unsigned int gbufsize_max = 720*576*4; 42 static char secam[] = "--"; 43 module_param(video_debug, int, 0644); 44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); 45 module_param(gbuffers, int, 0444); 46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); 47 module_param(noninterlaced, int, 0644); 48 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); 49 module_param_string(secam, secam, sizeof(secam), 0644); 50 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); 51 52 53 #define dprintk(fmt, arg...) if (video_debug&0x04) \ 54 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) 55 56 /* ------------------------------------------------------------------ */ 57 /* Defines for Video Output Port Register at address 0x191 */ 58 59 /* Bit 0: VIP code T bit polarity */ 60 61 #define VP_T_CODE_P_NON_INVERTED 0x00 62 #define VP_T_CODE_P_INVERTED 0x01 63 64 /* ------------------------------------------------------------------ */ 65 /* Defines for Video Output Port Register at address 0x195 */ 66 67 /* Bit 2: Video output clock delay control */ 68 69 #define VP_CLK_CTRL2_NOT_DELAYED 0x00 70 #define VP_CLK_CTRL2_DELAYED 0x04 71 72 /* Bit 1: Video output clock invert control */ 73 74 #define VP_CLK_CTRL1_NON_INVERTED 0x00 75 #define VP_CLK_CTRL1_INVERTED 0x02 76 77 /* ------------------------------------------------------------------ */ 78 /* Defines for Video Output Port Register at address 0x196 */ 79 80 /* Bits 2 to 0: VSYNC pin video vertical sync type */ 81 82 #define VP_VS_TYPE_MASK 0x07 83 84 #define VP_VS_TYPE_OFF 0x00 85 #define VP_VS_TYPE_V123 0x01 86 #define VP_VS_TYPE_V_ITU 0x02 87 #define VP_VS_TYPE_VGATE_L 0x03 88 #define VP_VS_TYPE_RESERVED1 0x04 89 #define VP_VS_TYPE_RESERVED2 0x05 90 #define VP_VS_TYPE_F_ITU 0x06 91 #define VP_VS_TYPE_SC_FID 0x07 92 93 /* ------------------------------------------------------------------ */ 94 /* data structs for video */ 95 96 static int video_out[][9] = { 97 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, 98 }; 99 100 static struct saa7134_format formats[] = { 101 { 102 .name = "8 bpp gray", 103 .fourcc = V4L2_PIX_FMT_GREY, 104 .depth = 8, 105 .pm = 0x06, 106 },{ 107 .name = "15 bpp RGB, le", 108 .fourcc = V4L2_PIX_FMT_RGB555, 109 .depth = 16, 110 .pm = 0x13 | 0x80, 111 },{ 112 .name = "15 bpp RGB, be", 113 .fourcc = V4L2_PIX_FMT_RGB555X, 114 .depth = 16, 115 .pm = 0x13 | 0x80, 116 .bswap = 1, 117 },{ 118 .name = "16 bpp RGB, le", 119 .fourcc = V4L2_PIX_FMT_RGB565, 120 .depth = 16, 121 .pm = 0x10 | 0x80, 122 },{ 123 .name = "16 bpp RGB, be", 124 .fourcc = V4L2_PIX_FMT_RGB565X, 125 .depth = 16, 126 .pm = 0x10 | 0x80, 127 .bswap = 1, 128 },{ 129 .name = "24 bpp RGB, le", 130 .fourcc = V4L2_PIX_FMT_BGR24, 131 .depth = 24, 132 .pm = 0x11, 133 },{ 134 .name = "24 bpp RGB, be", 135 .fourcc = V4L2_PIX_FMT_RGB24, 136 .depth = 24, 137 .pm = 0x11, 138 .bswap = 1, 139 },{ 140 .name = "32 bpp RGB, le", 141 .fourcc = V4L2_PIX_FMT_BGR32, 142 .depth = 32, 143 .pm = 0x12, 144 },{ 145 .name = "32 bpp RGB, be", 146 .fourcc = V4L2_PIX_FMT_RGB32, 147 .depth = 32, 148 .pm = 0x12, 149 .bswap = 1, 150 .wswap = 1, 151 },{ 152 .name = "4:2:2 packed, YUYV", 153 .fourcc = V4L2_PIX_FMT_YUYV, 154 .depth = 16, 155 .pm = 0x00, 156 .bswap = 1, 157 .yuv = 1, 158 },{ 159 .name = "4:2:2 packed, UYVY", 160 .fourcc = V4L2_PIX_FMT_UYVY, 161 .depth = 16, 162 .pm = 0x00, 163 .yuv = 1, 164 },{ 165 .name = "4:2:2 planar, Y-Cb-Cr", 166 .fourcc = V4L2_PIX_FMT_YUV422P, 167 .depth = 16, 168 .pm = 0x09, 169 .yuv = 1, 170 .planar = 1, 171 .hshift = 1, 172 .vshift = 0, 173 },{ 174 .name = "4:2:0 planar, Y-Cb-Cr", 175 .fourcc = V4L2_PIX_FMT_YUV420, 176 .depth = 12, 177 .pm = 0x0a, 178 .yuv = 1, 179 .planar = 1, 180 .hshift = 1, 181 .vshift = 1, 182 },{ 183 .name = "4:2:0 planar, Y-Cb-Cr", 184 .fourcc = V4L2_PIX_FMT_YVU420, 185 .depth = 12, 186 .pm = 0x0a, 187 .yuv = 1, 188 .planar = 1, 189 .uvswap = 1, 190 .hshift = 1, 191 .vshift = 1, 192 } 193 }; 194 #define FORMATS ARRAY_SIZE(formats) 195 196 #define NORM_625_50 \ 197 .h_start = 0, \ 198 .h_stop = 719, \ 199 .video_v_start = 24, \ 200 .video_v_stop = 311, \ 201 .vbi_v_start_0 = 7, \ 202 .vbi_v_stop_0 = 22, \ 203 .vbi_v_start_1 = 319, \ 204 .src_timing = 4 205 206 #define NORM_525_60 \ 207 .h_start = 0, \ 208 .h_stop = 719, \ 209 .video_v_start = 23, \ 210 .video_v_stop = 262, \ 211 .vbi_v_start_0 = 10, \ 212 .vbi_v_stop_0 = 21, \ 213 .vbi_v_start_1 = 273, \ 214 .src_timing = 7 215 216 static struct saa7134_tvnorm tvnorms[] = { 217 { 218 .name = "PAL", /* autodetect */ 219 .id = V4L2_STD_PAL, 220 NORM_625_50, 221 222 .sync_control = 0x18, 223 .luma_control = 0x40, 224 .chroma_ctrl1 = 0x81, 225 .chroma_gain = 0x2a, 226 .chroma_ctrl2 = 0x06, 227 .vgate_misc = 0x1c, 228 229 },{ 230 .name = "PAL-BG", 231 .id = V4L2_STD_PAL_BG, 232 NORM_625_50, 233 234 .sync_control = 0x18, 235 .luma_control = 0x40, 236 .chroma_ctrl1 = 0x81, 237 .chroma_gain = 0x2a, 238 .chroma_ctrl2 = 0x06, 239 .vgate_misc = 0x1c, 240 241 },{ 242 .name = "PAL-I", 243 .id = V4L2_STD_PAL_I, 244 NORM_625_50, 245 246 .sync_control = 0x18, 247 .luma_control = 0x40, 248 .chroma_ctrl1 = 0x81, 249 .chroma_gain = 0x2a, 250 .chroma_ctrl2 = 0x06, 251 .vgate_misc = 0x1c, 252 253 },{ 254 .name = "PAL-DK", 255 .id = V4L2_STD_PAL_DK, 256 NORM_625_50, 257 258 .sync_control = 0x18, 259 .luma_control = 0x40, 260 .chroma_ctrl1 = 0x81, 261 .chroma_gain = 0x2a, 262 .chroma_ctrl2 = 0x06, 263 .vgate_misc = 0x1c, 264 265 },{ 266 .name = "NTSC", 267 .id = V4L2_STD_NTSC, 268 NORM_525_60, 269 270 .sync_control = 0x59, 271 .luma_control = 0x40, 272 .chroma_ctrl1 = 0x89, 273 .chroma_gain = 0x2a, 274 .chroma_ctrl2 = 0x0e, 275 .vgate_misc = 0x18, 276 277 },{ 278 .name = "SECAM", 279 .id = V4L2_STD_SECAM, 280 NORM_625_50, 281 282 .sync_control = 0x18, 283 .luma_control = 0x1b, 284 .chroma_ctrl1 = 0xd1, 285 .chroma_gain = 0x80, 286 .chroma_ctrl2 = 0x00, 287 .vgate_misc = 0x1c, 288 289 },{ 290 .name = "SECAM-DK", 291 .id = V4L2_STD_SECAM_DK, 292 NORM_625_50, 293 294 .sync_control = 0x18, 295 .luma_control = 0x1b, 296 .chroma_ctrl1 = 0xd1, 297 .chroma_gain = 0x80, 298 .chroma_ctrl2 = 0x00, 299 .vgate_misc = 0x1c, 300 301 },{ 302 .name = "SECAM-L", 303 .id = V4L2_STD_SECAM_L, 304 NORM_625_50, 305 306 .sync_control = 0x18, 307 .luma_control = 0x1b, 308 .chroma_ctrl1 = 0xd1, 309 .chroma_gain = 0x80, 310 .chroma_ctrl2 = 0x00, 311 .vgate_misc = 0x1c, 312 313 },{ 314 .name = "SECAM-Lc", 315 .id = V4L2_STD_SECAM_LC, 316 NORM_625_50, 317 318 .sync_control = 0x18, 319 .luma_control = 0x1b, 320 .chroma_ctrl1 = 0xd1, 321 .chroma_gain = 0x80, 322 .chroma_ctrl2 = 0x00, 323 .vgate_misc = 0x1c, 324 325 },{ 326 .name = "PAL-M", 327 .id = V4L2_STD_PAL_M, 328 NORM_525_60, 329 330 .sync_control = 0x59, 331 .luma_control = 0x40, 332 .chroma_ctrl1 = 0xb9, 333 .chroma_gain = 0x2a, 334 .chroma_ctrl2 = 0x0e, 335 .vgate_misc = 0x18, 336 337 },{ 338 .name = "PAL-Nc", 339 .id = V4L2_STD_PAL_Nc, 340 NORM_625_50, 341 342 .sync_control = 0x18, 343 .luma_control = 0x40, 344 .chroma_ctrl1 = 0xa1, 345 .chroma_gain = 0x2a, 346 .chroma_ctrl2 = 0x06, 347 .vgate_misc = 0x1c, 348 349 },{ 350 .name = "PAL-60", 351 .id = V4L2_STD_PAL_60, 352 353 .h_start = 0, 354 .h_stop = 719, 355 .video_v_start = 23, 356 .video_v_stop = 262, 357 .vbi_v_start_0 = 10, 358 .vbi_v_stop_0 = 21, 359 .vbi_v_start_1 = 273, 360 .src_timing = 7, 361 362 .sync_control = 0x18, 363 .luma_control = 0x40, 364 .chroma_ctrl1 = 0x81, 365 .chroma_gain = 0x2a, 366 .chroma_ctrl2 = 0x06, 367 .vgate_misc = 0x1c, 368 } 369 }; 370 #define TVNORMS ARRAY_SIZE(tvnorms) 371 372 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0) 373 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1) 374 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2) 375 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3) 376 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4) 377 378 static const struct v4l2_queryctrl no_ctrl = { 379 .name = "42", 380 .flags = V4L2_CTRL_FLAG_DISABLED, 381 }; 382 static const struct v4l2_queryctrl video_ctrls[] = { 383 /* --- video --- */ 384 { 385 .id = V4L2_CID_BRIGHTNESS, 386 .name = "Brightness", 387 .minimum = 0, 388 .maximum = 255, 389 .step = 1, 390 .default_value = 128, 391 .type = V4L2_CTRL_TYPE_INTEGER, 392 },{ 393 .id = V4L2_CID_CONTRAST, 394 .name = "Contrast", 395 .minimum = 0, 396 .maximum = 127, 397 .step = 1, 398 .default_value = 68, 399 .type = V4L2_CTRL_TYPE_INTEGER, 400 },{ 401 .id = V4L2_CID_SATURATION, 402 .name = "Saturation", 403 .minimum = 0, 404 .maximum = 127, 405 .step = 1, 406 .default_value = 64, 407 .type = V4L2_CTRL_TYPE_INTEGER, 408 },{ 409 .id = V4L2_CID_HUE, 410 .name = "Hue", 411 .minimum = -128, 412 .maximum = 127, 413 .step = 1, 414 .default_value = 0, 415 .type = V4L2_CTRL_TYPE_INTEGER, 416 },{ 417 .id = V4L2_CID_HFLIP, 418 .name = "Mirror", 419 .minimum = 0, 420 .maximum = 1, 421 .type = V4L2_CTRL_TYPE_BOOLEAN, 422 }, 423 /* --- audio --- */ 424 { 425 .id = V4L2_CID_AUDIO_MUTE, 426 .name = "Mute", 427 .minimum = 0, 428 .maximum = 1, 429 .type = V4L2_CTRL_TYPE_BOOLEAN, 430 },{ 431 .id = V4L2_CID_AUDIO_VOLUME, 432 .name = "Volume", 433 .minimum = -15, 434 .maximum = 15, 435 .step = 1, 436 .default_value = 0, 437 .type = V4L2_CTRL_TYPE_INTEGER, 438 }, 439 /* --- private --- */ 440 { 441 .id = V4L2_CID_PRIVATE_INVERT, 442 .name = "Invert", 443 .minimum = 0, 444 .maximum = 1, 445 .type = V4L2_CTRL_TYPE_BOOLEAN, 446 },{ 447 .id = V4L2_CID_PRIVATE_Y_ODD, 448 .name = "y offset odd field", 449 .minimum = 0, 450 .maximum = 128, 451 .step = 1, 452 .default_value = 0, 453 .type = V4L2_CTRL_TYPE_INTEGER, 454 },{ 455 .id = V4L2_CID_PRIVATE_Y_EVEN, 456 .name = "y offset even field", 457 .minimum = 0, 458 .maximum = 128, 459 .step = 1, 460 .default_value = 0, 461 .type = V4L2_CTRL_TYPE_INTEGER, 462 },{ 463 .id = V4L2_CID_PRIVATE_AUTOMUTE, 464 .name = "automute", 465 .minimum = 0, 466 .maximum = 1, 467 .default_value = 1, 468 .type = V4L2_CTRL_TYPE_BOOLEAN, 469 } 470 }; 471 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls); 472 473 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id) 474 { 475 unsigned int i; 476 477 for (i = 0; i < CTRLS; i++) 478 if (video_ctrls[i].id == id) 479 return video_ctrls+i; 480 return NULL; 481 } 482 483 static struct saa7134_format* format_by_fourcc(unsigned int fourcc) 484 { 485 unsigned int i; 486 487 for (i = 0; i < FORMATS; i++) 488 if (formats[i].fourcc == fourcc) 489 return formats+i; 490 return NULL; 491 } 492 493 /* ----------------------------------------------------------------------- */ 494 /* resource management */ 495 496 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit) 497 { 498 if (fh->resources & bit) 499 /* have it already allocated */ 500 return 1; 501 502 /* is it free? */ 503 mutex_lock(&dev->lock); 504 if (dev->resources & bit) { 505 /* no, someone else uses it */ 506 mutex_unlock(&dev->lock); 507 return 0; 508 } 509 /* it's free, grab it */ 510 fh->resources |= bit; 511 dev->resources |= bit; 512 dprintk("res: get %d\n",bit); 513 mutex_unlock(&dev->lock); 514 return 1; 515 } 516 517 static int res_check(struct saa7134_fh *fh, unsigned int bit) 518 { 519 return (fh->resources & bit); 520 } 521 522 static int res_locked(struct saa7134_dev *dev, unsigned int bit) 523 { 524 return (dev->resources & bit); 525 } 526 527 static 528 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) 529 { 530 BUG_ON((fh->resources & bits) != bits); 531 532 mutex_lock(&dev->lock); 533 fh->resources &= ~bits; 534 dev->resources &= ~bits; 535 dprintk("res: put %d\n",bits); 536 mutex_unlock(&dev->lock); 537 } 538 539 /* ------------------------------------------------------------------ */ 540 541 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) 542 { 543 dprintk("set tv norm = %s\n",norm->name); 544 dev->tvnorm = norm; 545 546 /* setup cropping */ 547 dev->crop_bounds.left = norm->h_start; 548 dev->crop_defrect.left = norm->h_start; 549 dev->crop_bounds.width = norm->h_stop - norm->h_start +1; 550 dev->crop_defrect.width = norm->h_stop - norm->h_start +1; 551 552 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; 553 dev->crop_defrect.top = norm->video_v_start*2; 554 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) 555 - dev->crop_bounds.top; 556 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; 557 558 dev->crop_current = dev->crop_defrect; 559 560 saa7134_set_tvnorm_hw(dev); 561 } 562 563 static void video_mux(struct saa7134_dev *dev, int input) 564 { 565 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name); 566 dev->ctl_input = input; 567 set_tvnorm(dev, dev->tvnorm); 568 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 569 } 570 571 572 static void saa7134_set_decoder(struct saa7134_dev *dev) 573 { 574 int luma_control, sync_control, mux; 575 576 struct saa7134_tvnorm *norm = dev->tvnorm; 577 mux = card_in(dev, dev->ctl_input).vmux; 578 579 luma_control = norm->luma_control; 580 sync_control = norm->sync_control; 581 582 if (mux > 5) 583 luma_control |= 0x80; /* svideo */ 584 if (noninterlaced || dev->nosignal) 585 sync_control |= 0x20; 586 587 /* setup video decoder */ 588 saa_writeb(SAA7134_INCR_DELAY, 0x08); 589 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 590 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 591 592 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 593 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 594 saa_writeb(SAA7134_HSYNC_START, 0xeb); 595 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 596 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 597 598 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 599 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 600 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 601 602 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 603 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 604 605 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 606 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 607 608 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 609 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1); 610 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 611 612 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 613 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 614 615 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 616 saa_writeb(SAA7134_VGATE_START, 0x11); 617 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 618 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 619 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 620 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 621 } 622 623 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 624 { 625 saa7134_set_decoder(dev); 626 627 if (card_in(dev, dev->ctl_input).tv) 628 saa_call_all(dev, core, s_std, dev->tvnorm->id); 629 /* Set the correct norm for the saa6752hs. This function 630 does nothing if there is no saa6752hs. */ 631 saa_call_empress(dev, core, s_std, dev->tvnorm->id); 632 } 633 634 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) 635 { 636 static const struct { 637 int xpsc; 638 int xacl; 639 int xc2_1; 640 int xdcg; 641 int vpfy; 642 } vals[] = { 643 /* XPSC XACL XC2_1 XDCG VPFY */ 644 { 1, 0, 0, 0, 0 }, 645 { 2, 2, 1, 2, 2 }, 646 { 3, 4, 1, 3, 2 }, 647 { 4, 8, 1, 4, 2 }, 648 { 5, 8, 1, 4, 2 }, 649 { 6, 8, 1, 4, 3 }, 650 { 7, 8, 1, 4, 3 }, 651 { 8, 15, 0, 4, 3 }, 652 { 9, 15, 0, 4, 3 }, 653 { 10, 16, 1, 5, 3 }, 654 }; 655 static const int count = ARRAY_SIZE(vals); 656 int i; 657 658 for (i = 0; i < count; i++) 659 if (vals[i].xpsc == prescale) 660 break; 661 if (i == count) 662 return; 663 664 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); 665 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); 666 saa_writeb(SAA7134_LEVEL_CTRL(task), 667 (vals[i].xc2_1 << 3) | (vals[i].xdcg)); 668 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, 669 (vals[i].vpfy << 2) | vals[i].vpfy); 670 } 671 672 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) 673 { 674 int val,mirror; 675 676 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); 677 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); 678 679 mirror = (dev->ctl_mirror) ? 0x02 : 0x00; 680 if (yscale < 2048) { 681 /* LPI */ 682 dprintk("yscale LPI yscale=%d\n",yscale); 683 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); 684 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); 685 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); 686 } else { 687 /* ACM */ 688 val = 0x40 * 1024 / yscale; 689 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val); 690 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); 691 saa_writeb(SAA7134_LUMA_CONTRAST(task), val); 692 saa_writeb(SAA7134_CHROMA_SATURATION(task), val); 693 } 694 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); 695 } 696 697 static void set_size(struct saa7134_dev *dev, int task, 698 int width, int height, int interlace) 699 { 700 int prescale,xscale,yscale,y_even,y_odd; 701 int h_start, h_stop, v_start, v_stop; 702 int div = interlace ? 2 : 1; 703 704 /* setup video scaler */ 705 h_start = dev->crop_current.left; 706 v_start = dev->crop_current.top/2; 707 h_stop = (dev->crop_current.left + dev->crop_current.width -1); 708 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; 709 710 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); 711 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); 712 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); 713 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); 714 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); 715 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); 716 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); 717 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); 718 719 prescale = dev->crop_current.width / width; 720 if (0 == prescale) 721 prescale = 1; 722 xscale = 1024 * dev->crop_current.width / prescale / width; 723 yscale = 512 * div * dev->crop_current.height / height; 724 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale); 725 set_h_prescale(dev,task,prescale); 726 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); 727 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); 728 set_v_scale(dev,task,yscale); 729 730 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); 731 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); 732 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); 733 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); 734 735 /* deinterlace y offsets */ 736 y_odd = dev->ctl_y_odd; 737 y_even = dev->ctl_y_even; 738 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); 739 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); 740 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); 741 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); 742 } 743 744 /* ------------------------------------------------------------------ */ 745 746 struct cliplist { 747 __u16 position; 748 __u8 enable; 749 __u8 disable; 750 }; 751 752 static void set_cliplist(struct saa7134_dev *dev, int reg, 753 struct cliplist *cl, int entries, char *name) 754 { 755 __u8 winbits = 0; 756 int i; 757 758 for (i = 0; i < entries; i++) { 759 winbits |= cl[i].enable; 760 winbits &= ~cl[i].disable; 761 if (i < 15 && cl[i].position == cl[i+1].position) 762 continue; 763 saa_writeb(reg + 0, winbits); 764 saa_writeb(reg + 2, cl[i].position & 0xff); 765 saa_writeb(reg + 3, cl[i].position >> 8); 766 dprintk("clip: %s winbits=%02x pos=%d\n", 767 name,winbits,cl[i].position); 768 reg += 8; 769 } 770 for (; reg < 0x400; reg += 8) { 771 saa_writeb(reg+ 0, 0); 772 saa_writeb(reg + 1, 0); 773 saa_writeb(reg + 2, 0); 774 saa_writeb(reg + 3, 0); 775 } 776 } 777 778 static int clip_range(int val) 779 { 780 if (val < 0) 781 val = 0; 782 return val; 783 } 784 785 /* Sort into smallest position first order */ 786 static int cliplist_cmp(const void *a, const void *b) 787 { 788 const struct cliplist *cla = a; 789 const struct cliplist *clb = b; 790 if (cla->position < clb->position) 791 return -1; 792 if (cla->position > clb->position) 793 return 1; 794 return 0; 795 } 796 797 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, 798 int nclips, int interlace) 799 { 800 struct cliplist col[16], row[16]; 801 int cols = 0, rows = 0, i; 802 int div = interlace ? 2 : 1; 803 804 memset(col, 0, sizeof(col)); 805 memset(row, 0, sizeof(row)); 806 for (i = 0; i < nclips && i < 8; i++) { 807 col[cols].position = clip_range(clips[i].c.left); 808 col[cols].enable = (1 << i); 809 cols++; 810 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); 811 col[cols].disable = (1 << i); 812 cols++; 813 row[rows].position = clip_range(clips[i].c.top / div); 814 row[rows].enable = (1 << i); 815 rows++; 816 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) 817 / div); 818 row[rows].disable = (1 << i); 819 rows++; 820 } 821 sort(col, cols, sizeof col[0], cliplist_cmp, NULL); 822 sort(row, rows, sizeof row[0], cliplist_cmp, NULL); 823 set_cliplist(dev,0x380,col,cols,"cols"); 824 set_cliplist(dev,0x384,row,rows,"rows"); 825 return 0; 826 } 827 828 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win) 829 { 830 enum v4l2_field field; 831 int maxw, maxh; 832 833 if (NULL == dev->ovbuf.base) 834 return -EINVAL; 835 if (NULL == dev->ovfmt) 836 return -EINVAL; 837 if (win->w.width < 48 || win->w.height < 32) 838 return -EINVAL; 839 if (win->clipcount > 2048) 840 return -EINVAL; 841 842 field = win->field; 843 maxw = dev->crop_current.width; 844 maxh = dev->crop_current.height; 845 846 if (V4L2_FIELD_ANY == field) { 847 field = (win->w.height > maxh/2) 848 ? V4L2_FIELD_INTERLACED 849 : V4L2_FIELD_TOP; 850 } 851 switch (field) { 852 case V4L2_FIELD_TOP: 853 case V4L2_FIELD_BOTTOM: 854 maxh = maxh / 2; 855 break; 856 case V4L2_FIELD_INTERLACED: 857 break; 858 default: 859 return -EINVAL; 860 } 861 862 win->field = field; 863 if (win->w.width > maxw) 864 win->w.width = maxw; 865 if (win->w.height > maxh) 866 win->w.height = maxh; 867 return 0; 868 } 869 870 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) 871 { 872 unsigned long base,control,bpl; 873 int err; 874 875 err = verify_preview(dev,&fh->win); 876 if (0 != err) 877 return err; 878 879 dev->ovfield = fh->win.field; 880 dprintk("start_preview %dx%d+%d+%d %s field=%s\n", 881 fh->win.w.width,fh->win.w.height, 882 fh->win.w.left,fh->win.w.top, 883 dev->ovfmt->name,v4l2_field_names[dev->ovfield]); 884 885 /* setup window + clipping */ 886 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height, 887 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 888 setup_clipping(dev,fh->clips,fh->nclips, 889 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 890 if (dev->ovfmt->yuv) 891 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); 892 else 893 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); 894 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); 895 896 /* dma: setup channel 1 (= Video Task B) */ 897 base = (unsigned long)dev->ovbuf.base; 898 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top; 899 base += dev->ovfmt->depth/8 * fh->win.w.left; 900 bpl = dev->ovbuf.fmt.bytesperline; 901 control = SAA7134_RS_CONTROL_BURST_16; 902 if (dev->ovfmt->bswap) 903 control |= SAA7134_RS_CONTROL_BSWAP; 904 if (dev->ovfmt->wswap) 905 control |= SAA7134_RS_CONTROL_WSWAP; 906 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { 907 saa_writel(SAA7134_RS_BA1(1),base); 908 saa_writel(SAA7134_RS_BA2(1),base+bpl); 909 saa_writel(SAA7134_RS_PITCH(1),bpl*2); 910 saa_writel(SAA7134_RS_CONTROL(1),control); 911 } else { 912 saa_writel(SAA7134_RS_BA1(1),base); 913 saa_writel(SAA7134_RS_BA2(1),base); 914 saa_writel(SAA7134_RS_PITCH(1),bpl); 915 saa_writel(SAA7134_RS_CONTROL(1),control); 916 } 917 918 /* start dma */ 919 dev->ovenable = 1; 920 saa7134_set_dmabits(dev); 921 922 return 0; 923 } 924 925 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) 926 { 927 dev->ovenable = 0; 928 saa7134_set_dmabits(dev); 929 return 0; 930 } 931 932 /* ------------------------------------------------------------------ */ 933 934 static int buffer_activate(struct saa7134_dev *dev, 935 struct saa7134_buf *buf, 936 struct saa7134_buf *next) 937 { 938 unsigned long base,control,bpl; 939 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 940 941 dprintk("buffer_activate buf=%p\n",buf); 942 buf->vb.state = VIDEOBUF_ACTIVE; 943 buf->top_seen = 0; 944 945 set_size(dev,TASK_A,buf->vb.width,buf->vb.height, 946 V4L2_FIELD_HAS_BOTH(buf->vb.field)); 947 if (buf->fmt->yuv) 948 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 949 else 950 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 951 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm); 952 953 /* DMA: setup channel 0 (= Video Task A0) */ 954 base = saa7134_buffer_base(buf); 955 if (buf->fmt->planar) 956 bpl = buf->vb.width; 957 else 958 bpl = (buf->vb.width * buf->fmt->depth) / 8; 959 control = SAA7134_RS_CONTROL_BURST_16 | 960 SAA7134_RS_CONTROL_ME | 961 (buf->pt->dma >> 12); 962 if (buf->fmt->bswap) 963 control |= SAA7134_RS_CONTROL_BSWAP; 964 if (buf->fmt->wswap) 965 control |= SAA7134_RS_CONTROL_WSWAP; 966 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { 967 /* interlaced */ 968 saa_writel(SAA7134_RS_BA1(0),base); 969 saa_writel(SAA7134_RS_BA2(0),base+bpl); 970 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 971 } else { 972 /* non-interlaced */ 973 saa_writel(SAA7134_RS_BA1(0),base); 974 saa_writel(SAA7134_RS_BA2(0),base); 975 saa_writel(SAA7134_RS_PITCH(0),bpl); 976 } 977 saa_writel(SAA7134_RS_CONTROL(0),control); 978 979 if (buf->fmt->planar) { 980 /* DMA: setup channel 4+5 (= planar task A) */ 981 bpl_uv = bpl >> buf->fmt->hshift; 982 lines_uv = buf->vb.height >> buf->fmt->vshift; 983 base2 = base + bpl * buf->vb.height; 984 base3 = base2 + bpl_uv * lines_uv; 985 if (buf->fmt->uvswap) 986 tmp = base2, base2 = base3, base3 = tmp; 987 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 988 bpl_uv,lines_uv,base2,base3); 989 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { 990 /* interlaced */ 991 saa_writel(SAA7134_RS_BA1(4),base2); 992 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 993 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 994 saa_writel(SAA7134_RS_BA1(5),base3); 995 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 996 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 997 } else { 998 /* non-interlaced */ 999 saa_writel(SAA7134_RS_BA1(4),base2); 1000 saa_writel(SAA7134_RS_BA2(4),base2); 1001 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 1002 saa_writel(SAA7134_RS_BA1(5),base3); 1003 saa_writel(SAA7134_RS_BA2(5),base3); 1004 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 1005 } 1006 saa_writel(SAA7134_RS_CONTROL(4),control); 1007 saa_writel(SAA7134_RS_CONTROL(5),control); 1008 } 1009 1010 /* start DMA */ 1011 saa7134_set_dmabits(dev); 1012 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT); 1013 return 0; 1014 } 1015 1016 static int buffer_prepare(struct videobuf_queue *q, 1017 struct videobuf_buffer *vb, 1018 enum v4l2_field field) 1019 { 1020 struct saa7134_fh *fh = q->priv_data; 1021 struct saa7134_dev *dev = fh->dev; 1022 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1023 unsigned int size; 1024 int err; 1025 1026 /* sanity checks */ 1027 if (NULL == fh->fmt) 1028 return -EINVAL; 1029 if (fh->width < 48 || 1030 fh->height < 32 || 1031 fh->width/4 > dev->crop_current.width || 1032 fh->height/4 > dev->crop_current.height || 1033 fh->width > dev->crop_bounds.width || 1034 fh->height > dev->crop_bounds.height) 1035 return -EINVAL; 1036 size = (fh->width * fh->height * fh->fmt->depth) >> 3; 1037 if (0 != buf->vb.baddr && buf->vb.bsize < size) 1038 return -EINVAL; 1039 1040 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n", 1041 vb->i,fh->width,fh->height,size,v4l2_field_names[field], 1042 fh->fmt->name); 1043 if (buf->vb.width != fh->width || 1044 buf->vb.height != fh->height || 1045 buf->vb.size != size || 1046 buf->vb.field != field || 1047 buf->fmt != fh->fmt) { 1048 saa7134_dma_free(q,buf); 1049 } 1050 1051 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 1052 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 1053 1054 buf->vb.width = fh->width; 1055 buf->vb.height = fh->height; 1056 buf->vb.size = size; 1057 buf->vb.field = field; 1058 buf->fmt = fh->fmt; 1059 buf->pt = &fh->pt_cap; 1060 dev->video_q.curr = NULL; 1061 1062 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf); 1063 if (err) 1064 goto oops; 1065 err = saa7134_pgtable_build(dev->pci,buf->pt, 1066 dma->sglist, 1067 dma->sglen, 1068 saa7134_buffer_startpage(buf)); 1069 if (err) 1070 goto oops; 1071 } 1072 buf->vb.state = VIDEOBUF_PREPARED; 1073 buf->activate = buffer_activate; 1074 return 0; 1075 1076 oops: 1077 saa7134_dma_free(q,buf); 1078 return err; 1079 } 1080 1081 static int 1082 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) 1083 { 1084 struct saa7134_fh *fh = q->priv_data; 1085 1086 *size = fh->fmt->depth * fh->width * fh->height >> 3; 1087 if (0 == *count) 1088 *count = gbuffers; 1089 *count = saa7134_buffer_count(*size,*count); 1090 return 0; 1091 } 1092 1093 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) 1094 { 1095 struct saa7134_fh *fh = q->priv_data; 1096 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1097 1098 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf); 1099 } 1100 1101 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 1102 { 1103 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); 1104 1105 saa7134_dma_free(q,buf); 1106 } 1107 1108 static struct videobuf_queue_ops video_qops = { 1109 .buf_setup = buffer_setup, 1110 .buf_prepare = buffer_prepare, 1111 .buf_queue = buffer_queue, 1112 .buf_release = buffer_release, 1113 }; 1114 1115 /* ------------------------------------------------------------------ */ 1116 1117 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) 1118 { 1119 const struct v4l2_queryctrl* ctrl; 1120 1121 ctrl = ctrl_by_id(c->id); 1122 if (NULL == ctrl) 1123 return -EINVAL; 1124 switch (c->id) { 1125 case V4L2_CID_BRIGHTNESS: 1126 c->value = dev->ctl_bright; 1127 break; 1128 case V4L2_CID_HUE: 1129 c->value = dev->ctl_hue; 1130 break; 1131 case V4L2_CID_CONTRAST: 1132 c->value = dev->ctl_contrast; 1133 break; 1134 case V4L2_CID_SATURATION: 1135 c->value = dev->ctl_saturation; 1136 break; 1137 case V4L2_CID_AUDIO_MUTE: 1138 c->value = dev->ctl_mute; 1139 break; 1140 case V4L2_CID_AUDIO_VOLUME: 1141 c->value = dev->ctl_volume; 1142 break; 1143 case V4L2_CID_PRIVATE_INVERT: 1144 c->value = dev->ctl_invert; 1145 break; 1146 case V4L2_CID_HFLIP: 1147 c->value = dev->ctl_mirror; 1148 break; 1149 case V4L2_CID_PRIVATE_Y_EVEN: 1150 c->value = dev->ctl_y_even; 1151 break; 1152 case V4L2_CID_PRIVATE_Y_ODD: 1153 c->value = dev->ctl_y_odd; 1154 break; 1155 case V4L2_CID_PRIVATE_AUTOMUTE: 1156 c->value = dev->ctl_automute; 1157 break; 1158 default: 1159 return -EINVAL; 1160 } 1161 return 0; 1162 } 1163 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal); 1164 1165 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) 1166 { 1167 struct saa7134_fh *fh = priv; 1168 1169 return saa7134_g_ctrl_internal(fh->dev, fh, c); 1170 } 1171 1172 int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) 1173 { 1174 const struct v4l2_queryctrl* ctrl; 1175 unsigned long flags; 1176 int restart_overlay = 0; 1177 int err; 1178 1179 /* When called from the empress code fh == NULL. 1180 That needs to be fixed somehow, but for now this is 1181 good enough. */ 1182 if (fh) { 1183 err = v4l2_prio_check(&dev->prio, fh->prio); 1184 if (0 != err) 1185 return err; 1186 } 1187 err = -EINVAL; 1188 1189 mutex_lock(&dev->lock); 1190 1191 ctrl = ctrl_by_id(c->id); 1192 if (NULL == ctrl) 1193 goto error; 1194 1195 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value); 1196 switch (ctrl->type) { 1197 case V4L2_CTRL_TYPE_BOOLEAN: 1198 case V4L2_CTRL_TYPE_MENU: 1199 case V4L2_CTRL_TYPE_INTEGER: 1200 if (c->value < ctrl->minimum) 1201 c->value = ctrl->minimum; 1202 if (c->value > ctrl->maximum) 1203 c->value = ctrl->maximum; 1204 break; 1205 default: 1206 /* nothing */; 1207 }; 1208 switch (c->id) { 1209 case V4L2_CID_BRIGHTNESS: 1210 dev->ctl_bright = c->value; 1211 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 1212 break; 1213 case V4L2_CID_HUE: 1214 dev->ctl_hue = c->value; 1215 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 1216 break; 1217 case V4L2_CID_CONTRAST: 1218 dev->ctl_contrast = c->value; 1219 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1220 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1221 break; 1222 case V4L2_CID_SATURATION: 1223 dev->ctl_saturation = c->value; 1224 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1225 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1226 break; 1227 case V4L2_CID_AUDIO_MUTE: 1228 dev->ctl_mute = c->value; 1229 saa7134_tvaudio_setmute(dev); 1230 break; 1231 case V4L2_CID_AUDIO_VOLUME: 1232 dev->ctl_volume = c->value; 1233 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1234 break; 1235 case V4L2_CID_PRIVATE_INVERT: 1236 dev->ctl_invert = c->value; 1237 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1238 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1239 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1240 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1241 break; 1242 case V4L2_CID_HFLIP: 1243 dev->ctl_mirror = c->value; 1244 restart_overlay = 1; 1245 break; 1246 case V4L2_CID_PRIVATE_Y_EVEN: 1247 dev->ctl_y_even = c->value; 1248 restart_overlay = 1; 1249 break; 1250 case V4L2_CID_PRIVATE_Y_ODD: 1251 dev->ctl_y_odd = c->value; 1252 restart_overlay = 1; 1253 break; 1254 case V4L2_CID_PRIVATE_AUTOMUTE: 1255 { 1256 struct v4l2_priv_tun_config tda9887_cfg; 1257 1258 tda9887_cfg.tuner = TUNER_TDA9887; 1259 tda9887_cfg.priv = &dev->tda9887_conf; 1260 1261 dev->ctl_automute = c->value; 1262 if (dev->tda9887_conf) { 1263 if (dev->ctl_automute) 1264 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1265 else 1266 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1267 1268 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1269 } 1270 break; 1271 } 1272 default: 1273 goto error; 1274 } 1275 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) { 1276 spin_lock_irqsave(&dev->slock,flags); 1277 stop_preview(dev,fh); 1278 start_preview(dev,fh); 1279 spin_unlock_irqrestore(&dev->slock,flags); 1280 } 1281 err = 0; 1282 1283 error: 1284 mutex_unlock(&dev->lock); 1285 return err; 1286 } 1287 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal); 1288 1289 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c) 1290 { 1291 struct saa7134_fh *fh = f; 1292 1293 return saa7134_s_ctrl_internal(fh->dev, fh, c); 1294 } 1295 1296 /* ------------------------------------------------------------------ */ 1297 1298 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh) 1299 { 1300 struct videobuf_queue* q = NULL; 1301 1302 switch (fh->type) { 1303 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1304 q = &fh->cap; 1305 break; 1306 case V4L2_BUF_TYPE_VBI_CAPTURE: 1307 q = &fh->vbi; 1308 break; 1309 default: 1310 BUG(); 1311 } 1312 return q; 1313 } 1314 1315 static int saa7134_resource(struct saa7134_fh *fh) 1316 { 1317 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 1318 return RESOURCE_VIDEO; 1319 1320 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 1321 return RESOURCE_VBI; 1322 1323 BUG(); 1324 return 0; 1325 } 1326 1327 static int video_open(struct file *file) 1328 { 1329 struct video_device *vdev = video_devdata(file); 1330 struct saa7134_dev *dev = video_drvdata(file); 1331 struct saa7134_fh *fh; 1332 enum v4l2_buf_type type = 0; 1333 int radio = 0; 1334 1335 switch (vdev->vfl_type) { 1336 case VFL_TYPE_GRABBER: 1337 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1338 break; 1339 case VFL_TYPE_VBI: 1340 type = V4L2_BUF_TYPE_VBI_CAPTURE; 1341 break; 1342 case VFL_TYPE_RADIO: 1343 radio = 1; 1344 break; 1345 } 1346 1347 dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev), 1348 radio, v4l2_type_names[type]); 1349 1350 /* allocate + initialize per filehandle data */ 1351 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 1352 if (NULL == fh) 1353 return -ENOMEM; 1354 1355 file->private_data = fh; 1356 fh->dev = dev; 1357 fh->radio = radio; 1358 fh->type = type; 1359 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 1360 fh->width = 720; 1361 fh->height = 576; 1362 v4l2_prio_open(&dev->prio, &fh->prio); 1363 1364 videobuf_queue_sg_init(&fh->cap, &video_qops, 1365 &dev->pci->dev, &dev->slock, 1366 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1367 V4L2_FIELD_INTERLACED, 1368 sizeof(struct saa7134_buf), 1369 fh, NULL); 1370 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops, 1371 &dev->pci->dev, &dev->slock, 1372 V4L2_BUF_TYPE_VBI_CAPTURE, 1373 V4L2_FIELD_SEQ_TB, 1374 sizeof(struct saa7134_buf), 1375 fh, NULL); 1376 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap); 1377 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi); 1378 1379 if (fh->radio) { 1380 /* switch to radio mode */ 1381 saa7134_tvaudio_setinput(dev,&card(dev).radio); 1382 saa_call_all(dev, tuner, s_radio); 1383 } else { 1384 /* switch to video/vbi mode */ 1385 video_mux(dev,dev->ctl_input); 1386 } 1387 return 0; 1388 } 1389 1390 static ssize_t 1391 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 1392 { 1393 struct saa7134_fh *fh = file->private_data; 1394 1395 switch (fh->type) { 1396 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1397 if (res_locked(fh->dev,RESOURCE_VIDEO)) 1398 return -EBUSY; 1399 return videobuf_read_one(saa7134_queue(fh), 1400 data, count, ppos, 1401 file->f_flags & O_NONBLOCK); 1402 case V4L2_BUF_TYPE_VBI_CAPTURE: 1403 if (!res_get(fh->dev,fh,RESOURCE_VBI)) 1404 return -EBUSY; 1405 return videobuf_read_stream(saa7134_queue(fh), 1406 data, count, ppos, 1, 1407 file->f_flags & O_NONBLOCK); 1408 break; 1409 default: 1410 BUG(); 1411 return 0; 1412 } 1413 } 1414 1415 static unsigned int 1416 video_poll(struct file *file, struct poll_table_struct *wait) 1417 { 1418 struct saa7134_fh *fh = file->private_data; 1419 struct videobuf_buffer *buf = NULL; 1420 unsigned int rc = 0; 1421 1422 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) 1423 return videobuf_poll_stream(file, &fh->vbi, wait); 1424 1425 if (res_check(fh,RESOURCE_VIDEO)) { 1426 mutex_lock(&fh->cap.vb_lock); 1427 if (!list_empty(&fh->cap.stream)) 1428 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); 1429 } else { 1430 mutex_lock(&fh->cap.vb_lock); 1431 if (UNSET == fh->cap.read_off) { 1432 /* need to capture a new frame */ 1433 if (res_locked(fh->dev,RESOURCE_VIDEO)) 1434 goto err; 1435 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) 1436 goto err; 1437 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); 1438 fh->cap.read_off = 0; 1439 } 1440 buf = fh->cap.read_buf; 1441 } 1442 1443 if (!buf) 1444 goto err; 1445 1446 poll_wait(file, &buf->done, wait); 1447 if (buf->state == VIDEOBUF_DONE || 1448 buf->state == VIDEOBUF_ERROR) 1449 rc = POLLIN|POLLRDNORM; 1450 mutex_unlock(&fh->cap.vb_lock); 1451 return rc; 1452 1453 err: 1454 mutex_unlock(&fh->cap.vb_lock); 1455 return POLLERR; 1456 } 1457 1458 static int video_release(struct file *file) 1459 { 1460 struct saa7134_fh *fh = file->private_data; 1461 struct saa7134_dev *dev = fh->dev; 1462 struct saa6588_command cmd; 1463 unsigned long flags; 1464 1465 saa7134_tvaudio_close(dev); 1466 1467 /* turn off overlay */ 1468 if (res_check(fh, RESOURCE_OVERLAY)) { 1469 spin_lock_irqsave(&dev->slock,flags); 1470 stop_preview(dev,fh); 1471 spin_unlock_irqrestore(&dev->slock,flags); 1472 res_free(dev,fh,RESOURCE_OVERLAY); 1473 } 1474 1475 /* stop video capture */ 1476 if (res_check(fh, RESOURCE_VIDEO)) { 1477 videobuf_streamoff(&fh->cap); 1478 res_free(dev,fh,RESOURCE_VIDEO); 1479 } 1480 if (fh->cap.read_buf) { 1481 buffer_release(&fh->cap,fh->cap.read_buf); 1482 kfree(fh->cap.read_buf); 1483 } 1484 1485 /* stop vbi capture */ 1486 if (res_check(fh, RESOURCE_VBI)) { 1487 videobuf_stop(&fh->vbi); 1488 res_free(dev,fh,RESOURCE_VBI); 1489 } 1490 1491 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1492 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1493 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1494 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1495 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1496 1497 saa_call_all(dev, core, s_power, 0); 1498 if (fh->radio) 1499 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1500 1501 /* free stuff */ 1502 videobuf_mmap_free(&fh->cap); 1503 videobuf_mmap_free(&fh->vbi); 1504 saa7134_pgtable_free(dev->pci,&fh->pt_cap); 1505 saa7134_pgtable_free(dev->pci,&fh->pt_vbi); 1506 1507 v4l2_prio_close(&dev->prio, fh->prio); 1508 file->private_data = NULL; 1509 kfree(fh); 1510 return 0; 1511 } 1512 1513 static int video_mmap(struct file *file, struct vm_area_struct * vma) 1514 { 1515 struct saa7134_fh *fh = file->private_data; 1516 1517 return videobuf_mmap_mapper(saa7134_queue(fh), vma); 1518 } 1519 1520 static ssize_t radio_read(struct file *file, char __user *data, 1521 size_t count, loff_t *ppos) 1522 { 1523 struct saa7134_fh *fh = file->private_data; 1524 struct saa7134_dev *dev = fh->dev; 1525 struct saa6588_command cmd; 1526 1527 cmd.block_count = count/3; 1528 cmd.buffer = data; 1529 cmd.instance = file; 1530 cmd.result = -ENODEV; 1531 1532 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1533 1534 return cmd.result; 1535 } 1536 1537 static unsigned int radio_poll(struct file *file, poll_table *wait) 1538 { 1539 struct saa7134_fh *fh = file->private_data; 1540 struct saa7134_dev *dev = fh->dev; 1541 struct saa6588_command cmd; 1542 1543 cmd.instance = file; 1544 cmd.event_list = wait; 1545 cmd.result = -ENODEV; 1546 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1547 1548 return cmd.result; 1549 } 1550 1551 /* ------------------------------------------------------------------ */ 1552 1553 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1554 struct v4l2_format *f) 1555 { 1556 struct saa7134_fh *fh = priv; 1557 struct saa7134_dev *dev = fh->dev; 1558 struct saa7134_tvnorm *norm = dev->tvnorm; 1559 1560 f->fmt.vbi.sampling_rate = 6750000 * 4; 1561 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1562 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1563 f->fmt.vbi.offset = 64 * 4; 1564 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1565 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1566 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1567 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1568 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1569 1570 return 0; 1571 } 1572 1573 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1574 struct v4l2_format *f) 1575 { 1576 struct saa7134_fh *fh = priv; 1577 1578 f->fmt.pix.width = fh->width; 1579 f->fmt.pix.height = fh->height; 1580 f->fmt.pix.field = fh->cap.field; 1581 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1582 f->fmt.pix.bytesperline = 1583 (f->fmt.pix.width * fh->fmt->depth) >> 3; 1584 f->fmt.pix.sizeimage = 1585 f->fmt.pix.height * f->fmt.pix.bytesperline; 1586 return 0; 1587 } 1588 1589 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1590 struct v4l2_format *f) 1591 { 1592 struct saa7134_fh *fh = priv; 1593 1594 if (saa7134_no_overlay > 0) { 1595 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1596 return -EINVAL; 1597 } 1598 f->fmt.win = fh->win; 1599 1600 return 0; 1601 } 1602 1603 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1604 struct v4l2_format *f) 1605 { 1606 struct saa7134_fh *fh = priv; 1607 struct saa7134_dev *dev = fh->dev; 1608 struct saa7134_format *fmt; 1609 enum v4l2_field field; 1610 unsigned int maxw, maxh; 1611 1612 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1613 if (NULL == fmt) 1614 return -EINVAL; 1615 1616 field = f->fmt.pix.field; 1617 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1618 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1619 1620 if (V4L2_FIELD_ANY == field) { 1621 field = (f->fmt.pix.height > maxh/2) 1622 ? V4L2_FIELD_INTERLACED 1623 : V4L2_FIELD_BOTTOM; 1624 } 1625 switch (field) { 1626 case V4L2_FIELD_TOP: 1627 case V4L2_FIELD_BOTTOM: 1628 maxh = maxh / 2; 1629 break; 1630 case V4L2_FIELD_INTERLACED: 1631 break; 1632 default: 1633 return -EINVAL; 1634 } 1635 1636 f->fmt.pix.field = field; 1637 if (f->fmt.pix.width < 48) 1638 f->fmt.pix.width = 48; 1639 if (f->fmt.pix.height < 32) 1640 f->fmt.pix.height = 32; 1641 if (f->fmt.pix.width > maxw) 1642 f->fmt.pix.width = maxw; 1643 if (f->fmt.pix.height > maxh) 1644 f->fmt.pix.height = maxh; 1645 f->fmt.pix.width &= ~0x03; 1646 f->fmt.pix.bytesperline = 1647 (f->fmt.pix.width * fmt->depth) >> 3; 1648 f->fmt.pix.sizeimage = 1649 f->fmt.pix.height * f->fmt.pix.bytesperline; 1650 1651 return 0; 1652 } 1653 1654 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1655 struct v4l2_format *f) 1656 { 1657 struct saa7134_fh *fh = priv; 1658 struct saa7134_dev *dev = fh->dev; 1659 1660 if (saa7134_no_overlay > 0) { 1661 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1662 return -EINVAL; 1663 } 1664 1665 return verify_preview(dev, &f->fmt.win); 1666 } 1667 1668 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1669 struct v4l2_format *f) 1670 { 1671 struct saa7134_fh *fh = priv; 1672 int err; 1673 1674 err = saa7134_try_fmt_vid_cap(file, priv, f); 1675 if (0 != err) 1676 return err; 1677 1678 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1679 fh->width = f->fmt.pix.width; 1680 fh->height = f->fmt.pix.height; 1681 fh->cap.field = f->fmt.pix.field; 1682 return 0; 1683 } 1684 1685 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1686 struct v4l2_format *f) 1687 { 1688 struct saa7134_fh *fh = priv; 1689 struct saa7134_dev *dev = fh->dev; 1690 int err; 1691 unsigned long flags; 1692 1693 if (saa7134_no_overlay > 0) { 1694 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1695 return -EINVAL; 1696 } 1697 err = verify_preview(dev, &f->fmt.win); 1698 if (0 != err) 1699 return err; 1700 1701 mutex_lock(&dev->lock); 1702 1703 fh->win = f->fmt.win; 1704 fh->nclips = f->fmt.win.clipcount; 1705 1706 if (fh->nclips > 8) 1707 fh->nclips = 8; 1708 1709 if (copy_from_user(fh->clips, f->fmt.win.clips, 1710 sizeof(struct v4l2_clip)*fh->nclips)) { 1711 mutex_unlock(&dev->lock); 1712 return -EFAULT; 1713 } 1714 1715 if (res_check(fh, RESOURCE_OVERLAY)) { 1716 spin_lock_irqsave(&dev->slock, flags); 1717 stop_preview(dev, fh); 1718 start_preview(dev, fh); 1719 spin_unlock_irqrestore(&dev->slock, flags); 1720 } 1721 1722 mutex_unlock(&dev->lock); 1723 return 0; 1724 } 1725 1726 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c) 1727 { 1728 const struct v4l2_queryctrl *ctrl; 1729 1730 if ((c->id < V4L2_CID_BASE || 1731 c->id >= V4L2_CID_LASTP1) && 1732 (c->id < V4L2_CID_PRIVATE_BASE || 1733 c->id >= V4L2_CID_PRIVATE_LASTP1)) 1734 return -EINVAL; 1735 ctrl = ctrl_by_id(c->id); 1736 *c = (NULL != ctrl) ? *ctrl : no_ctrl; 1737 return 0; 1738 } 1739 EXPORT_SYMBOL_GPL(saa7134_queryctrl); 1740 1741 static int saa7134_enum_input(struct file *file, void *priv, 1742 struct v4l2_input *i) 1743 { 1744 struct saa7134_fh *fh = priv; 1745 struct saa7134_dev *dev = fh->dev; 1746 unsigned int n; 1747 1748 n = i->index; 1749 if (n >= SAA7134_INPUT_MAX) 1750 return -EINVAL; 1751 if (NULL == card_in(dev, i->index).name) 1752 return -EINVAL; 1753 i->index = n; 1754 i->type = V4L2_INPUT_TYPE_CAMERA; 1755 strcpy(i->name, card_in(dev, n).name); 1756 if (card_in(dev, n).tv) 1757 i->type = V4L2_INPUT_TYPE_TUNER; 1758 i->audioset = 1; 1759 if (n == dev->ctl_input) { 1760 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1761 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1762 1763 if (0 != (v1 & 0x40)) 1764 i->status |= V4L2_IN_ST_NO_H_LOCK; 1765 if (0 != (v2 & 0x40)) 1766 i->status |= V4L2_IN_ST_NO_SYNC; 1767 if (0 != (v2 & 0x0e)) 1768 i->status |= V4L2_IN_ST_MACROVISION; 1769 } 1770 i->std = SAA7134_NORMS; 1771 return 0; 1772 } 1773 1774 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1775 { 1776 struct saa7134_fh *fh = priv; 1777 struct saa7134_dev *dev = fh->dev; 1778 1779 *i = dev->ctl_input; 1780 return 0; 1781 } 1782 1783 static int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1784 { 1785 struct saa7134_fh *fh = priv; 1786 struct saa7134_dev *dev = fh->dev; 1787 int err; 1788 1789 err = v4l2_prio_check(&dev->prio, fh->prio); 1790 if (0 != err) 1791 return err; 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 1809 unsigned int tuner_type = dev->tuner_type; 1810 1811 strcpy(cap->driver, "saa7134"); 1812 strlcpy(cap->card, saa7134_boards[dev->board].name, 1813 sizeof(cap->card)); 1814 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1815 cap->capabilities = 1816 V4L2_CAP_VIDEO_CAPTURE | 1817 V4L2_CAP_VBI_CAPTURE | 1818 V4L2_CAP_READWRITE | 1819 V4L2_CAP_STREAMING | 1820 V4L2_CAP_TUNER; 1821 if (dev->has_rds) 1822 cap->capabilities |= V4L2_CAP_RDS_CAPTURE; 1823 if (saa7134_no_overlay <= 0) 1824 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; 1825 1826 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET)) 1827 cap->capabilities &= ~V4L2_CAP_TUNER; 1828 return 0; 1829 } 1830 1831 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id) 1832 { 1833 unsigned long flags; 1834 unsigned int i; 1835 v4l2_std_id fixup; 1836 int err; 1837 1838 /* When called from the empress code fh == NULL. 1839 That needs to be fixed somehow, but for now this is 1840 good enough. */ 1841 if (fh) { 1842 err = v4l2_prio_check(&dev->prio, fh->prio); 1843 if (0 != err) 1844 return err; 1845 } else if (res_locked(dev, RESOURCE_OVERLAY)) { 1846 /* Don't change the std from the mpeg device 1847 if overlay is active. */ 1848 return -EBUSY; 1849 } 1850 1851 for (i = 0; i < TVNORMS; i++) 1852 if (*id == tvnorms[i].id) 1853 break; 1854 1855 if (i == TVNORMS) 1856 for (i = 0; i < TVNORMS; i++) 1857 if (*id & tvnorms[i].id) 1858 break; 1859 if (i == TVNORMS) 1860 return -EINVAL; 1861 1862 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1863 if (secam[0] == 'L' || secam[0] == 'l') { 1864 if (secam[1] == 'C' || secam[1] == 'c') 1865 fixup = V4L2_STD_SECAM_LC; 1866 else 1867 fixup = V4L2_STD_SECAM_L; 1868 } else { 1869 if (secam[0] == 'D' || secam[0] == 'd') 1870 fixup = V4L2_STD_SECAM_DK; 1871 else 1872 fixup = V4L2_STD_SECAM; 1873 } 1874 for (i = 0; i < TVNORMS; i++) { 1875 if (fixup == tvnorms[i].id) 1876 break; 1877 } 1878 if (i == TVNORMS) 1879 return -EINVAL; 1880 } 1881 1882 *id = tvnorms[i].id; 1883 1884 mutex_lock(&dev->lock); 1885 if (fh && res_check(fh, RESOURCE_OVERLAY)) { 1886 spin_lock_irqsave(&dev->slock, flags); 1887 stop_preview(dev, fh); 1888 spin_unlock_irqrestore(&dev->slock, flags); 1889 1890 set_tvnorm(dev, &tvnorms[i]); 1891 1892 spin_lock_irqsave(&dev->slock, flags); 1893 start_preview(dev, fh); 1894 spin_unlock_irqrestore(&dev->slock, flags); 1895 } else 1896 set_tvnorm(dev, &tvnorms[i]); 1897 1898 saa7134_tvaudio_do_scan(dev); 1899 mutex_unlock(&dev->lock); 1900 return 0; 1901 } 1902 EXPORT_SYMBOL_GPL(saa7134_s_std_internal); 1903 1904 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) 1905 { 1906 struct saa7134_fh *fh = priv; 1907 1908 return saa7134_s_std_internal(fh->dev, fh, id); 1909 } 1910 1911 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1912 { 1913 struct saa7134_fh *fh = priv; 1914 struct saa7134_dev *dev = fh->dev; 1915 1916 *id = dev->tvnorm->id; 1917 return 0; 1918 } 1919 1920 static int saa7134_cropcap(struct file *file, void *priv, 1921 struct v4l2_cropcap *cap) 1922 { 1923 struct saa7134_fh *fh = priv; 1924 struct saa7134_dev *dev = fh->dev; 1925 1926 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1927 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1928 return -EINVAL; 1929 cap->bounds = dev->crop_bounds; 1930 cap->defrect = dev->crop_defrect; 1931 cap->pixelaspect.numerator = 1; 1932 cap->pixelaspect.denominator = 1; 1933 if (dev->tvnorm->id & V4L2_STD_525_60) { 1934 cap->pixelaspect.numerator = 11; 1935 cap->pixelaspect.denominator = 10; 1936 } 1937 if (dev->tvnorm->id & V4L2_STD_625_50) { 1938 cap->pixelaspect.numerator = 54; 1939 cap->pixelaspect.denominator = 59; 1940 } 1941 return 0; 1942 } 1943 1944 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1945 { 1946 struct saa7134_fh *fh = f; 1947 struct saa7134_dev *dev = fh->dev; 1948 1949 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1950 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1951 return -EINVAL; 1952 crop->c = dev->crop_current; 1953 return 0; 1954 } 1955 1956 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop) 1957 { 1958 struct saa7134_fh *fh = f; 1959 struct saa7134_dev *dev = fh->dev; 1960 struct v4l2_rect *b = &dev->crop_bounds; 1961 1962 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1963 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1964 return -EINVAL; 1965 if (crop->c.height < 0) 1966 return -EINVAL; 1967 if (crop->c.width < 0) 1968 return -EINVAL; 1969 1970 if (res_locked(fh->dev, RESOURCE_OVERLAY)) 1971 return -EBUSY; 1972 if (res_locked(fh->dev, RESOURCE_VIDEO)) 1973 return -EBUSY; 1974 1975 if (crop->c.top < b->top) 1976 crop->c.top = b->top; 1977 if (crop->c.top > b->top + b->height) 1978 crop->c.top = b->top + b->height; 1979 if (crop->c.height > b->top - crop->c.top + b->height) 1980 crop->c.height = b->top - crop->c.top + b->height; 1981 1982 if (crop->c.left < b->left) 1983 crop->c.left = b->left; 1984 if (crop->c.left > b->left + b->width) 1985 crop->c.left = b->left + b->width; 1986 if (crop->c.width > b->left - crop->c.left + b->width) 1987 crop->c.width = b->left - crop->c.left + b->width; 1988 1989 dev->crop_current = crop->c; 1990 return 0; 1991 } 1992 1993 static int saa7134_g_tuner(struct file *file, void *priv, 1994 struct v4l2_tuner *t) 1995 { 1996 struct saa7134_fh *fh = priv; 1997 struct saa7134_dev *dev = fh->dev; 1998 int n; 1999 2000 if (0 != t->index) 2001 return -EINVAL; 2002 memset(t, 0, sizeof(*t)); 2003 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 2004 if (card_in(dev, n).tv) 2005 break; 2006 } 2007 if (n == SAA7134_INPUT_MAX) 2008 return -EINVAL; 2009 if (NULL != card_in(dev, n).name) { 2010 strcpy(t->name, "Television"); 2011 t->type = V4L2_TUNER_ANALOG_TV; 2012 t->capability = V4L2_TUNER_CAP_NORM | 2013 V4L2_TUNER_CAP_STEREO | 2014 V4L2_TUNER_CAP_LANG1 | 2015 V4L2_TUNER_CAP_LANG2; 2016 t->rangehigh = 0xffffffffUL; 2017 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 2018 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 2019 } 2020 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 2021 t->signal = 0xffff; 2022 return 0; 2023 } 2024 2025 static int saa7134_s_tuner(struct file *file, void *priv, 2026 struct v4l2_tuner *t) 2027 { 2028 struct saa7134_fh *fh = priv; 2029 struct saa7134_dev *dev = fh->dev; 2030 int rx, mode, err; 2031 2032 err = v4l2_prio_check(&dev->prio, fh->prio); 2033 if (0 != err) 2034 return err; 2035 2036 mode = dev->thread.mode; 2037 if (UNSET == mode) { 2038 rx = saa7134_tvaudio_getstereo(dev); 2039 mode = saa7134_tvaudio_rx2mode(rx); 2040 } 2041 if (mode != t->audmode) 2042 dev->thread.mode = t->audmode; 2043 2044 return 0; 2045 } 2046 2047 static int saa7134_g_frequency(struct file *file, void *priv, 2048 struct v4l2_frequency *f) 2049 { 2050 struct saa7134_fh *fh = priv; 2051 struct saa7134_dev *dev = fh->dev; 2052 2053 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 2054 f->frequency = dev->ctl_freq; 2055 2056 return 0; 2057 } 2058 2059 static int saa7134_s_frequency(struct file *file, void *priv, 2060 struct v4l2_frequency *f) 2061 { 2062 struct saa7134_fh *fh = priv; 2063 struct saa7134_dev *dev = fh->dev; 2064 int err; 2065 2066 err = v4l2_prio_check(&dev->prio, fh->prio); 2067 if (0 != err) 2068 return err; 2069 2070 if (0 != f->tuner) 2071 return -EINVAL; 2072 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) 2073 return -EINVAL; 2074 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) 2075 return -EINVAL; 2076 mutex_lock(&dev->lock); 2077 dev->ctl_freq = f->frequency; 2078 2079 saa_call_all(dev, tuner, s_frequency, f); 2080 2081 saa7134_tvaudio_do_scan(dev); 2082 mutex_unlock(&dev->lock); 2083 return 0; 2084 } 2085 2086 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 2087 { 2088 strcpy(a->name, "audio"); 2089 return 0; 2090 } 2091 2092 static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 2093 { 2094 return 0; 2095 } 2096 2097 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p) 2098 { 2099 struct saa7134_fh *fh = f; 2100 struct saa7134_dev *dev = fh->dev; 2101 2102 *p = v4l2_prio_max(&dev->prio); 2103 return 0; 2104 } 2105 2106 static int saa7134_s_priority(struct file *file, void *f, 2107 enum v4l2_priority prio) 2108 { 2109 struct saa7134_fh *fh = f; 2110 struct saa7134_dev *dev = fh->dev; 2111 2112 return v4l2_prio_change(&dev->prio, &fh->prio, prio); 2113 } 2114 2115 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 2116 struct v4l2_fmtdesc *f) 2117 { 2118 if (f->index >= FORMATS) 2119 return -EINVAL; 2120 2121 strlcpy(f->description, formats[f->index].name, 2122 sizeof(f->description)); 2123 2124 f->pixelformat = formats[f->index].fourcc; 2125 2126 return 0; 2127 } 2128 2129 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 2130 struct v4l2_fmtdesc *f) 2131 { 2132 if (saa7134_no_overlay > 0) { 2133 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 2134 return -EINVAL; 2135 } 2136 2137 if ((f->index >= FORMATS) || formats[f->index].planar) 2138 return -EINVAL; 2139 2140 strlcpy(f->description, formats[f->index].name, 2141 sizeof(f->description)); 2142 2143 f->pixelformat = formats[f->index].fourcc; 2144 2145 return 0; 2146 } 2147 2148 static int saa7134_g_fbuf(struct file *file, void *f, 2149 struct v4l2_framebuffer *fb) 2150 { 2151 struct saa7134_fh *fh = f; 2152 struct saa7134_dev *dev = fh->dev; 2153 2154 *fb = dev->ovbuf; 2155 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 2156 2157 return 0; 2158 } 2159 2160 static int saa7134_s_fbuf(struct file *file, void *f, 2161 const struct v4l2_framebuffer *fb) 2162 { 2163 struct saa7134_fh *fh = f; 2164 struct saa7134_dev *dev = fh->dev; 2165 struct saa7134_format *fmt; 2166 2167 if (!capable(CAP_SYS_ADMIN) && 2168 !capable(CAP_SYS_RAWIO)) 2169 return -EPERM; 2170 2171 /* check args */ 2172 fmt = format_by_fourcc(fb->fmt.pixelformat); 2173 if (NULL == fmt) 2174 return -EINVAL; 2175 2176 /* ok, accept it */ 2177 dev->ovbuf = *fb; 2178 dev->ovfmt = fmt; 2179 if (0 == dev->ovbuf.fmt.bytesperline) 2180 dev->ovbuf.fmt.bytesperline = 2181 dev->ovbuf.fmt.width*fmt->depth/8; 2182 return 0; 2183 } 2184 2185 static int saa7134_overlay(struct file *file, void *f, unsigned int on) 2186 { 2187 struct saa7134_fh *fh = f; 2188 struct saa7134_dev *dev = fh->dev; 2189 unsigned long flags; 2190 2191 if (on) { 2192 if (saa7134_no_overlay > 0) { 2193 dprintk("no_overlay\n"); 2194 return -EINVAL; 2195 } 2196 2197 if (!res_get(dev, fh, RESOURCE_OVERLAY)) 2198 return -EBUSY; 2199 spin_lock_irqsave(&dev->slock, flags); 2200 start_preview(dev, fh); 2201 spin_unlock_irqrestore(&dev->slock, flags); 2202 } 2203 if (!on) { 2204 if (!res_check(fh, RESOURCE_OVERLAY)) 2205 return -EINVAL; 2206 spin_lock_irqsave(&dev->slock, flags); 2207 stop_preview(dev, fh); 2208 spin_unlock_irqrestore(&dev->slock, flags); 2209 res_free(dev, fh, RESOURCE_OVERLAY); 2210 } 2211 return 0; 2212 } 2213 2214 static int saa7134_reqbufs(struct file *file, void *priv, 2215 struct v4l2_requestbuffers *p) 2216 { 2217 struct saa7134_fh *fh = priv; 2218 return videobuf_reqbufs(saa7134_queue(fh), p); 2219 } 2220 2221 static int saa7134_querybuf(struct file *file, void *priv, 2222 struct v4l2_buffer *b) 2223 { 2224 struct saa7134_fh *fh = priv; 2225 return videobuf_querybuf(saa7134_queue(fh), b); 2226 } 2227 2228 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2229 { 2230 struct saa7134_fh *fh = priv; 2231 return videobuf_qbuf(saa7134_queue(fh), b); 2232 } 2233 2234 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 2235 { 2236 struct saa7134_fh *fh = priv; 2237 return videobuf_dqbuf(saa7134_queue(fh), b, 2238 file->f_flags & O_NONBLOCK); 2239 } 2240 2241 static int saa7134_streamon(struct file *file, void *priv, 2242 enum v4l2_buf_type type) 2243 { 2244 struct saa7134_fh *fh = priv; 2245 struct saa7134_dev *dev = fh->dev; 2246 int res = saa7134_resource(fh); 2247 2248 if (!res_get(dev, fh, res)) 2249 return -EBUSY; 2250 2251 return videobuf_streamon(saa7134_queue(fh)); 2252 } 2253 2254 static int saa7134_streamoff(struct file *file, void *priv, 2255 enum v4l2_buf_type type) 2256 { 2257 int err; 2258 struct saa7134_fh *fh = priv; 2259 struct saa7134_dev *dev = fh->dev; 2260 int res = saa7134_resource(fh); 2261 2262 err = videobuf_streamoff(saa7134_queue(fh)); 2263 if (err < 0) 2264 return err; 2265 res_free(dev, fh, res); 2266 return 0; 2267 } 2268 2269 static int saa7134_g_parm(struct file *file, void *fh, 2270 struct v4l2_streamparm *parm) 2271 { 2272 return 0; 2273 } 2274 2275 #ifdef CONFIG_VIDEO_ADV_DEBUG 2276 static int vidioc_g_register (struct file *file, void *priv, 2277 struct v4l2_dbg_register *reg) 2278 { 2279 struct saa7134_fh *fh = priv; 2280 struct saa7134_dev *dev = fh->dev; 2281 2282 if (!v4l2_chip_match_host(®->match)) 2283 return -EINVAL; 2284 reg->val = saa_readb(reg->reg); 2285 reg->size = 1; 2286 return 0; 2287 } 2288 2289 static int vidioc_s_register (struct file *file, void *priv, 2290 struct v4l2_dbg_register *reg) 2291 { 2292 struct saa7134_fh *fh = priv; 2293 struct saa7134_dev *dev = fh->dev; 2294 2295 if (!v4l2_chip_match_host(®->match)) 2296 return -EINVAL; 2297 saa_writeb(reg->reg&0xffffff, reg->val); 2298 return 0; 2299 } 2300 #endif 2301 2302 static int radio_querycap(struct file *file, void *priv, 2303 struct v4l2_capability *cap) 2304 { 2305 struct saa7134_fh *fh = file->private_data; 2306 struct saa7134_dev *dev = fh->dev; 2307 2308 strcpy(cap->driver, "saa7134"); 2309 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card)); 2310 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 2311 cap->capabilities = V4L2_CAP_TUNER; 2312 return 0; 2313 } 2314 2315 static int radio_g_tuner(struct file *file, void *priv, 2316 struct v4l2_tuner *t) 2317 { 2318 struct saa7134_fh *fh = file->private_data; 2319 struct saa7134_dev *dev = fh->dev; 2320 2321 if (0 != t->index) 2322 return -EINVAL; 2323 2324 memset(t, 0, sizeof(*t)); 2325 strcpy(t->name, "Radio"); 2326 t->type = V4L2_TUNER_RADIO; 2327 2328 saa_call_all(dev, tuner, g_tuner, t); 2329 if (dev->input->amux == TV) { 2330 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 2331 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 2332 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 2333 } 2334 return 0; 2335 } 2336 static int radio_s_tuner(struct file *file, void *priv, 2337 struct v4l2_tuner *t) 2338 { 2339 struct saa7134_fh *fh = file->private_data; 2340 struct saa7134_dev *dev = fh->dev; 2341 2342 if (0 != t->index) 2343 return -EINVAL; 2344 2345 saa_call_all(dev, tuner, s_tuner, t); 2346 return 0; 2347 } 2348 2349 static int radio_enum_input(struct file *file, void *priv, 2350 struct v4l2_input *i) 2351 { 2352 if (i->index != 0) 2353 return -EINVAL; 2354 2355 strcpy(i->name, "Radio"); 2356 i->type = V4L2_INPUT_TYPE_TUNER; 2357 2358 return 0; 2359 } 2360 2361 static int radio_g_input(struct file *filp, void *priv, unsigned int *i) 2362 { 2363 *i = 0; 2364 return 0; 2365 } 2366 2367 static int radio_g_audio(struct file *file, void *priv, 2368 struct v4l2_audio *a) 2369 { 2370 memset(a, 0, sizeof(*a)); 2371 strcpy(a->name, "Radio"); 2372 return 0; 2373 } 2374 2375 static int radio_s_audio(struct file *file, void *priv, 2376 const struct v4l2_audio *a) 2377 { 2378 return 0; 2379 } 2380 2381 static int radio_s_input(struct file *filp, void *priv, unsigned int i) 2382 { 2383 return 0; 2384 } 2385 2386 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) 2387 { 2388 return 0; 2389 } 2390 2391 static int radio_queryctrl(struct file *file, void *priv, 2392 struct v4l2_queryctrl *c) 2393 { 2394 const struct v4l2_queryctrl *ctrl; 2395 2396 if (c->id < V4L2_CID_BASE || 2397 c->id >= V4L2_CID_LASTP1) 2398 return -EINVAL; 2399 if (c->id == V4L2_CID_AUDIO_MUTE) { 2400 ctrl = ctrl_by_id(c->id); 2401 *c = *ctrl; 2402 } else 2403 *c = no_ctrl; 2404 return 0; 2405 } 2406 2407 static const struct v4l2_file_operations video_fops = 2408 { 2409 .owner = THIS_MODULE, 2410 .open = video_open, 2411 .release = video_release, 2412 .read = video_read, 2413 .poll = video_poll, 2414 .mmap = video_mmap, 2415 .ioctl = video_ioctl2, 2416 }; 2417 2418 static const struct v4l2_ioctl_ops video_ioctl_ops = { 2419 .vidioc_querycap = saa7134_querycap, 2420 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 2421 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 2422 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 2423 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 2424 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 2425 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 2426 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 2427 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 2428 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2429 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2430 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 2431 .vidioc_g_audio = saa7134_g_audio, 2432 .vidioc_s_audio = saa7134_s_audio, 2433 .vidioc_cropcap = saa7134_cropcap, 2434 .vidioc_reqbufs = saa7134_reqbufs, 2435 .vidioc_querybuf = saa7134_querybuf, 2436 .vidioc_qbuf = saa7134_qbuf, 2437 .vidioc_dqbuf = saa7134_dqbuf, 2438 .vidioc_s_std = saa7134_s_std, 2439 .vidioc_g_std = saa7134_g_std, 2440 .vidioc_enum_input = saa7134_enum_input, 2441 .vidioc_g_input = saa7134_g_input, 2442 .vidioc_s_input = saa7134_s_input, 2443 .vidioc_queryctrl = saa7134_queryctrl, 2444 .vidioc_g_ctrl = saa7134_g_ctrl, 2445 .vidioc_s_ctrl = saa7134_s_ctrl, 2446 .vidioc_streamon = saa7134_streamon, 2447 .vidioc_streamoff = saa7134_streamoff, 2448 .vidioc_g_tuner = saa7134_g_tuner, 2449 .vidioc_s_tuner = saa7134_s_tuner, 2450 .vidioc_g_crop = saa7134_g_crop, 2451 .vidioc_s_crop = saa7134_s_crop, 2452 .vidioc_g_fbuf = saa7134_g_fbuf, 2453 .vidioc_s_fbuf = saa7134_s_fbuf, 2454 .vidioc_overlay = saa7134_overlay, 2455 .vidioc_g_priority = saa7134_g_priority, 2456 .vidioc_s_priority = saa7134_s_priority, 2457 .vidioc_g_parm = saa7134_g_parm, 2458 .vidioc_g_frequency = saa7134_g_frequency, 2459 .vidioc_s_frequency = saa7134_s_frequency, 2460 #ifdef CONFIG_VIDEO_ADV_DEBUG 2461 .vidioc_g_register = vidioc_g_register, 2462 .vidioc_s_register = vidioc_s_register, 2463 #endif 2464 }; 2465 2466 static const struct v4l2_file_operations radio_fops = { 2467 .owner = THIS_MODULE, 2468 .open = video_open, 2469 .read = radio_read, 2470 .release = video_release, 2471 .ioctl = video_ioctl2, 2472 .poll = radio_poll, 2473 }; 2474 2475 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2476 .vidioc_querycap = radio_querycap, 2477 .vidioc_g_tuner = radio_g_tuner, 2478 .vidioc_enum_input = radio_enum_input, 2479 .vidioc_g_audio = radio_g_audio, 2480 .vidioc_s_tuner = radio_s_tuner, 2481 .vidioc_s_audio = radio_s_audio, 2482 .vidioc_s_input = radio_s_input, 2483 .vidioc_s_std = radio_s_std, 2484 .vidioc_queryctrl = radio_queryctrl, 2485 .vidioc_g_input = radio_g_input, 2486 .vidioc_g_ctrl = saa7134_g_ctrl, 2487 .vidioc_s_ctrl = saa7134_s_ctrl, 2488 .vidioc_g_frequency = saa7134_g_frequency, 2489 .vidioc_s_frequency = saa7134_s_frequency, 2490 }; 2491 2492 /* ----------------------------------------------------------- */ 2493 /* exported stuff */ 2494 2495 struct video_device saa7134_video_template = { 2496 .name = "saa7134-video", 2497 .fops = &video_fops, 2498 .ioctl_ops = &video_ioctl_ops, 2499 .tvnorms = SAA7134_NORMS, 2500 .current_norm = V4L2_STD_PAL, 2501 }; 2502 2503 struct video_device saa7134_radio_template = { 2504 .name = "saa7134-radio", 2505 .fops = &radio_fops, 2506 .ioctl_ops = &radio_ioctl_ops, 2507 }; 2508 2509 int saa7134_video_init1(struct saa7134_dev *dev) 2510 { 2511 /* sanitycheck insmod options */ 2512 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2513 gbuffers = 2; 2514 if (gbufsize < 0 || gbufsize > gbufsize_max) 2515 gbufsize = gbufsize_max; 2516 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2517 2518 /* put some sensible defaults into the data structures ... */ 2519 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; 2520 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; 2521 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; 2522 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; 2523 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; 2524 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; 2525 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; 2526 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; 2527 2528 if (dev->tda9887_conf && dev->ctl_automute) 2529 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2530 dev->automute = 0; 2531 2532 INIT_LIST_HEAD(&dev->video_q.queue); 2533 init_timer(&dev->video_q.timeout); 2534 dev->video_q.timeout.function = saa7134_buffer_timeout; 2535 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2536 dev->video_q.dev = dev; 2537 2538 if (saa7134_boards[dev->board].video_out) 2539 saa7134_videoport_init(dev); 2540 2541 return 0; 2542 } 2543 2544 int saa7134_videoport_init(struct saa7134_dev *dev) 2545 { 2546 /* enable video output */ 2547 int vo = saa7134_boards[dev->board].video_out; 2548 int video_reg; 2549 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2550 2551 /* Configure videoport */ 2552 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2553 video_reg = video_out[vo][1]; 2554 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2555 video_reg &= ~VP_T_CODE_P_INVERTED; 2556 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2557 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2558 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2559 video_reg = video_out[vo][5]; 2560 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2561 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2562 if (vid_port_opts & SET_CLOCK_INVERTED) 2563 video_reg |= VP_CLK_CTRL1_INVERTED; 2564 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2565 video_reg = video_out[vo][6]; 2566 if (vid_port_opts & SET_VSYNC_OFF) { 2567 video_reg &= ~VP_VS_TYPE_MASK; 2568 video_reg |= VP_VS_TYPE_OFF; 2569 } 2570 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2571 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2572 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2573 2574 /* Start videoport */ 2575 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2576 2577 return 0; 2578 } 2579 2580 int saa7134_video_init2(struct saa7134_dev *dev) 2581 { 2582 /* init video hw */ 2583 set_tvnorm(dev,&tvnorms[0]); 2584 video_mux(dev,0); 2585 saa7134_tvaudio_setmute(dev); 2586 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2587 return 0; 2588 } 2589 2590 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2591 { 2592 static const char *st[] = { 2593 "(no signal)", "NTSC", "PAL", "SECAM" }; 2594 u32 st1,st2; 2595 2596 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2597 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2598 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", 2599 (st1 & 0x40) ? "not locked" : "locked", 2600 (st2 & 0x40) ? "no" : "yes", 2601 st[st1 & 0x03]); 2602 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2603 2604 if (dev->nosignal) { 2605 /* no video signal -> mute audio */ 2606 if (dev->ctl_automute) 2607 dev->automute = 1; 2608 saa7134_tvaudio_setmute(dev); 2609 } else { 2610 /* wake up tvaudio audio carrier scan thread */ 2611 saa7134_tvaudio_do_scan(dev); 2612 } 2613 2614 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2615 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2616 else 2617 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2618 2619 if (dev->mops && dev->mops->signal_change) 2620 dev->mops->signal_change(dev); 2621 } 2622 2623 2624 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2625 { 2626 enum v4l2_field field; 2627 2628 spin_lock(&dev->slock); 2629 if (dev->video_q.curr) { 2630 dev->video_fieldcount++; 2631 field = dev->video_q.curr->vb.field; 2632 if (V4L2_FIELD_HAS_BOTH(field)) { 2633 /* make sure we have seen both fields */ 2634 if ((status & 0x10) == 0x00) { 2635 dev->video_q.curr->top_seen = 1; 2636 goto done; 2637 } 2638 if (!dev->video_q.curr->top_seen) 2639 goto done; 2640 } else if (field == V4L2_FIELD_TOP) { 2641 if ((status & 0x10) != 0x10) 2642 goto done; 2643 } else if (field == V4L2_FIELD_BOTTOM) { 2644 if ((status & 0x10) != 0x00) 2645 goto done; 2646 } 2647 dev->video_q.curr->vb.field_count = dev->video_fieldcount; 2648 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE); 2649 } 2650 saa7134_buffer_next(dev,&dev->video_q); 2651 2652 done: 2653 spin_unlock(&dev->slock); 2654 } 2655 2656 /* ----------------------------------------------------------- */ 2657 /* 2658 * Local variables: 2659 * c-basic-offset: 8 2660 * End: 2661 */ 2662