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 "saa7134.h" 24 #include "saa7134-reg.h" 25 26 #include <linux/init.h> 27 #include <linux/list.h> 28 #include <linux/module.h> 29 #include <linux/kernel.h> 30 #include <linux/slab.h> 31 #include <linux/sort.h> 32 33 #include <media/v4l2-common.h> 34 #include <media/v4l2-event.h> 35 #include <media/saa6588.h> 36 37 /* ------------------------------------------------------------------ */ 38 39 unsigned int video_debug; 40 static unsigned int gbuffers = 8; 41 static unsigned int noninterlaced; /* 0 */ 42 static unsigned int gbufsize = 720*576*4; 43 static unsigned int gbufsize_max = 720*576*4; 44 static char secam[] = "--"; 45 module_param(video_debug, int, 0644); 46 MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); 47 module_param(gbuffers, int, 0444); 48 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); 49 module_param(noninterlaced, int, 0644); 50 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); 51 module_param_string(secam, secam, sizeof(secam), 0644); 52 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); 53 54 55 #define video_dbg(fmt, arg...) do { \ 56 if (video_debug & 0x04) \ 57 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \ 58 } while (0) 59 60 /* ------------------------------------------------------------------ */ 61 /* Defines for Video Output Port Register at address 0x191 */ 62 63 /* Bit 0: VIP code T bit polarity */ 64 65 #define VP_T_CODE_P_NON_INVERTED 0x00 66 #define VP_T_CODE_P_INVERTED 0x01 67 68 /* ------------------------------------------------------------------ */ 69 /* Defines for Video Output Port Register at address 0x195 */ 70 71 /* Bit 2: Video output clock delay control */ 72 73 #define VP_CLK_CTRL2_NOT_DELAYED 0x00 74 #define VP_CLK_CTRL2_DELAYED 0x04 75 76 /* Bit 1: Video output clock invert control */ 77 78 #define VP_CLK_CTRL1_NON_INVERTED 0x00 79 #define VP_CLK_CTRL1_INVERTED 0x02 80 81 /* ------------------------------------------------------------------ */ 82 /* Defines for Video Output Port Register at address 0x196 */ 83 84 /* Bits 2 to 0: VSYNC pin video vertical sync type */ 85 86 #define VP_VS_TYPE_MASK 0x07 87 88 #define VP_VS_TYPE_OFF 0x00 89 #define VP_VS_TYPE_V123 0x01 90 #define VP_VS_TYPE_V_ITU 0x02 91 #define VP_VS_TYPE_VGATE_L 0x03 92 #define VP_VS_TYPE_RESERVED1 0x04 93 #define VP_VS_TYPE_RESERVED2 0x05 94 #define VP_VS_TYPE_F_ITU 0x06 95 #define VP_VS_TYPE_SC_FID 0x07 96 97 /* ------------------------------------------------------------------ */ 98 /* data structs for video */ 99 100 static int video_out[][9] = { 101 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, 102 }; 103 104 static struct saa7134_format formats[] = { 105 { 106 .name = "8 bpp gray", 107 .fourcc = V4L2_PIX_FMT_GREY, 108 .depth = 8, 109 .pm = 0x06, 110 },{ 111 .name = "15 bpp RGB, le", 112 .fourcc = V4L2_PIX_FMT_RGB555, 113 .depth = 16, 114 .pm = 0x13 | 0x80, 115 },{ 116 .name = "15 bpp RGB, be", 117 .fourcc = V4L2_PIX_FMT_RGB555X, 118 .depth = 16, 119 .pm = 0x13 | 0x80, 120 .bswap = 1, 121 },{ 122 .name = "16 bpp RGB, le", 123 .fourcc = V4L2_PIX_FMT_RGB565, 124 .depth = 16, 125 .pm = 0x10 | 0x80, 126 },{ 127 .name = "16 bpp RGB, be", 128 .fourcc = V4L2_PIX_FMT_RGB565X, 129 .depth = 16, 130 .pm = 0x10 | 0x80, 131 .bswap = 1, 132 },{ 133 .name = "24 bpp RGB, le", 134 .fourcc = V4L2_PIX_FMT_BGR24, 135 .depth = 24, 136 .pm = 0x11, 137 },{ 138 .name = "24 bpp RGB, be", 139 .fourcc = V4L2_PIX_FMT_RGB24, 140 .depth = 24, 141 .pm = 0x11, 142 .bswap = 1, 143 },{ 144 .name = "32 bpp RGB, le", 145 .fourcc = V4L2_PIX_FMT_BGR32, 146 .depth = 32, 147 .pm = 0x12, 148 },{ 149 .name = "32 bpp RGB, be", 150 .fourcc = V4L2_PIX_FMT_RGB32, 151 .depth = 32, 152 .pm = 0x12, 153 .bswap = 1, 154 .wswap = 1, 155 },{ 156 .name = "4:2:2 packed, YUYV", 157 .fourcc = V4L2_PIX_FMT_YUYV, 158 .depth = 16, 159 .pm = 0x00, 160 .bswap = 1, 161 .yuv = 1, 162 },{ 163 .name = "4:2:2 packed, UYVY", 164 .fourcc = V4L2_PIX_FMT_UYVY, 165 .depth = 16, 166 .pm = 0x00, 167 .yuv = 1, 168 },{ 169 .name = "4:2:2 planar, Y-Cb-Cr", 170 .fourcc = V4L2_PIX_FMT_YUV422P, 171 .depth = 16, 172 .pm = 0x09, 173 .yuv = 1, 174 .planar = 1, 175 .hshift = 1, 176 .vshift = 0, 177 },{ 178 .name = "4:2:0 planar, Y-Cb-Cr", 179 .fourcc = V4L2_PIX_FMT_YUV420, 180 .depth = 12, 181 .pm = 0x0a, 182 .yuv = 1, 183 .planar = 1, 184 .hshift = 1, 185 .vshift = 1, 186 },{ 187 .name = "4:2:0 planar, Y-Cb-Cr", 188 .fourcc = V4L2_PIX_FMT_YVU420, 189 .depth = 12, 190 .pm = 0x0a, 191 .yuv = 1, 192 .planar = 1, 193 .uvswap = 1, 194 .hshift = 1, 195 .vshift = 1, 196 } 197 }; 198 #define FORMATS ARRAY_SIZE(formats) 199 200 #define NORM_625_50 \ 201 .h_start = 0, \ 202 .h_stop = 719, \ 203 .video_v_start = 24, \ 204 .video_v_stop = 311, \ 205 .vbi_v_start_0 = 7, \ 206 .vbi_v_stop_0 = 23, \ 207 .vbi_v_start_1 = 319, \ 208 .src_timing = 4 209 210 #define NORM_525_60 \ 211 .h_start = 0, \ 212 .h_stop = 719, \ 213 .video_v_start = 23, \ 214 .video_v_stop = 262, \ 215 .vbi_v_start_0 = 10, \ 216 .vbi_v_stop_0 = 21, \ 217 .vbi_v_start_1 = 273, \ 218 .src_timing = 7 219 220 static struct saa7134_tvnorm tvnorms[] = { 221 { 222 .name = "PAL", /* autodetect */ 223 .id = V4L2_STD_PAL, 224 NORM_625_50, 225 226 .sync_control = 0x18, 227 .luma_control = 0x40, 228 .chroma_ctrl1 = 0x81, 229 .chroma_gain = 0x2a, 230 .chroma_ctrl2 = 0x06, 231 .vgate_misc = 0x1c, 232 233 },{ 234 .name = "PAL-BG", 235 .id = V4L2_STD_PAL_BG, 236 NORM_625_50, 237 238 .sync_control = 0x18, 239 .luma_control = 0x40, 240 .chroma_ctrl1 = 0x81, 241 .chroma_gain = 0x2a, 242 .chroma_ctrl2 = 0x06, 243 .vgate_misc = 0x1c, 244 245 },{ 246 .name = "PAL-I", 247 .id = V4L2_STD_PAL_I, 248 NORM_625_50, 249 250 .sync_control = 0x18, 251 .luma_control = 0x40, 252 .chroma_ctrl1 = 0x81, 253 .chroma_gain = 0x2a, 254 .chroma_ctrl2 = 0x06, 255 .vgate_misc = 0x1c, 256 257 },{ 258 .name = "PAL-DK", 259 .id = V4L2_STD_PAL_DK, 260 NORM_625_50, 261 262 .sync_control = 0x18, 263 .luma_control = 0x40, 264 .chroma_ctrl1 = 0x81, 265 .chroma_gain = 0x2a, 266 .chroma_ctrl2 = 0x06, 267 .vgate_misc = 0x1c, 268 269 },{ 270 .name = "NTSC", 271 .id = V4L2_STD_NTSC, 272 NORM_525_60, 273 274 .sync_control = 0x59, 275 .luma_control = 0x40, 276 .chroma_ctrl1 = 0x89, 277 .chroma_gain = 0x2a, 278 .chroma_ctrl2 = 0x0e, 279 .vgate_misc = 0x18, 280 281 },{ 282 .name = "SECAM", 283 .id = V4L2_STD_SECAM, 284 NORM_625_50, 285 286 .sync_control = 0x18, 287 .luma_control = 0x1b, 288 .chroma_ctrl1 = 0xd1, 289 .chroma_gain = 0x80, 290 .chroma_ctrl2 = 0x00, 291 .vgate_misc = 0x1c, 292 293 },{ 294 .name = "SECAM-DK", 295 .id = V4L2_STD_SECAM_DK, 296 NORM_625_50, 297 298 .sync_control = 0x18, 299 .luma_control = 0x1b, 300 .chroma_ctrl1 = 0xd1, 301 .chroma_gain = 0x80, 302 .chroma_ctrl2 = 0x00, 303 .vgate_misc = 0x1c, 304 305 },{ 306 .name = "SECAM-L", 307 .id = V4L2_STD_SECAM_L, 308 NORM_625_50, 309 310 .sync_control = 0x18, 311 .luma_control = 0x1b, 312 .chroma_ctrl1 = 0xd1, 313 .chroma_gain = 0x80, 314 .chroma_ctrl2 = 0x00, 315 .vgate_misc = 0x1c, 316 317 },{ 318 .name = "SECAM-Lc", 319 .id = V4L2_STD_SECAM_LC, 320 NORM_625_50, 321 322 .sync_control = 0x18, 323 .luma_control = 0x1b, 324 .chroma_ctrl1 = 0xd1, 325 .chroma_gain = 0x80, 326 .chroma_ctrl2 = 0x00, 327 .vgate_misc = 0x1c, 328 329 },{ 330 .name = "PAL-M", 331 .id = V4L2_STD_PAL_M, 332 NORM_525_60, 333 334 .sync_control = 0x59, 335 .luma_control = 0x40, 336 .chroma_ctrl1 = 0xb9, 337 .chroma_gain = 0x2a, 338 .chroma_ctrl2 = 0x0e, 339 .vgate_misc = 0x18, 340 341 },{ 342 .name = "PAL-Nc", 343 .id = V4L2_STD_PAL_Nc, 344 NORM_625_50, 345 346 .sync_control = 0x18, 347 .luma_control = 0x40, 348 .chroma_ctrl1 = 0xa1, 349 .chroma_gain = 0x2a, 350 .chroma_ctrl2 = 0x06, 351 .vgate_misc = 0x1c, 352 353 },{ 354 .name = "PAL-60", 355 .id = V4L2_STD_PAL_60, 356 357 .h_start = 0, 358 .h_stop = 719, 359 .video_v_start = 23, 360 .video_v_stop = 262, 361 .vbi_v_start_0 = 10, 362 .vbi_v_stop_0 = 21, 363 .vbi_v_start_1 = 273, 364 .src_timing = 7, 365 366 .sync_control = 0x18, 367 .luma_control = 0x40, 368 .chroma_ctrl1 = 0x81, 369 .chroma_gain = 0x2a, 370 .chroma_ctrl2 = 0x06, 371 .vgate_misc = 0x1c, 372 } 373 }; 374 #define TVNORMS ARRAY_SIZE(tvnorms) 375 376 static struct saa7134_format* format_by_fourcc(unsigned int fourcc) 377 { 378 unsigned int i; 379 380 for (i = 0; i < FORMATS; i++) 381 if (formats[i].fourcc == fourcc) 382 return formats+i; 383 return NULL; 384 } 385 386 /* ------------------------------------------------------------------ */ 387 388 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) 389 { 390 video_dbg("set tv norm = %s\n", norm->name); 391 dev->tvnorm = norm; 392 393 /* setup cropping */ 394 dev->crop_bounds.left = norm->h_start; 395 dev->crop_defrect.left = norm->h_start; 396 dev->crop_bounds.width = norm->h_stop - norm->h_start +1; 397 dev->crop_defrect.width = norm->h_stop - norm->h_start +1; 398 399 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; 400 dev->crop_defrect.top = norm->video_v_start*2; 401 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) 402 - dev->crop_bounds.top; 403 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; 404 405 dev->crop_current = dev->crop_defrect; 406 407 saa7134_set_tvnorm_hw(dev); 408 } 409 410 static void video_mux(struct saa7134_dev *dev, int input) 411 { 412 video_dbg("video input = %d [%s]\n", input, card_in(dev, input).name); 413 dev->ctl_input = input; 414 set_tvnorm(dev, dev->tvnorm); 415 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 416 } 417 418 419 static void saa7134_set_decoder(struct saa7134_dev *dev) 420 { 421 int luma_control, sync_control, chroma_ctrl1, mux; 422 423 struct saa7134_tvnorm *norm = dev->tvnorm; 424 mux = card_in(dev, dev->ctl_input).vmux; 425 426 luma_control = norm->luma_control; 427 sync_control = norm->sync_control; 428 chroma_ctrl1 = norm->chroma_ctrl1; 429 430 if (mux > 5) 431 luma_control |= 0x80; /* svideo */ 432 if (noninterlaced || dev->nosignal) 433 sync_control |= 0x20; 434 435 /* switch on auto standard detection */ 436 sync_control |= SAA7134_SYNC_CTRL_AUFD; 437 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0; 438 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC; 439 luma_control &= ~SAA7134_LUMA_CTRL_LDEL; 440 441 /* setup video decoder */ 442 saa_writeb(SAA7134_INCR_DELAY, 0x08); 443 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 444 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 445 446 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 447 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 448 saa_writeb(SAA7134_HSYNC_START, 0xeb); 449 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 450 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 451 452 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 453 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 454 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 455 456 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 457 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 458 459 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 460 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 461 462 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 463 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); 464 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 465 466 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 467 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 468 469 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 470 saa_writeb(SAA7134_VGATE_START, 0x11); 471 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 472 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 473 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 474 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 475 } 476 477 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 478 { 479 saa7134_set_decoder(dev); 480 481 if (card_in(dev, dev->ctl_input).tv) 482 saa_call_all(dev, video, s_std, dev->tvnorm->id); 483 /* Set the correct norm for the saa6752hs. This function 484 does nothing if there is no saa6752hs. */ 485 saa_call_empress(dev, video, s_std, dev->tvnorm->id); 486 } 487 488 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) 489 { 490 static const struct { 491 int xpsc; 492 int xacl; 493 int xc2_1; 494 int xdcg; 495 int vpfy; 496 } vals[] = { 497 /* XPSC XACL XC2_1 XDCG VPFY */ 498 { 1, 0, 0, 0, 0 }, 499 { 2, 2, 1, 2, 2 }, 500 { 3, 4, 1, 3, 2 }, 501 { 4, 8, 1, 4, 2 }, 502 { 5, 8, 1, 4, 2 }, 503 { 6, 8, 1, 4, 3 }, 504 { 7, 8, 1, 4, 3 }, 505 { 8, 15, 0, 4, 3 }, 506 { 9, 15, 0, 4, 3 }, 507 { 10, 16, 1, 5, 3 }, 508 }; 509 static const int count = ARRAY_SIZE(vals); 510 int i; 511 512 for (i = 0; i < count; i++) 513 if (vals[i].xpsc == prescale) 514 break; 515 if (i == count) 516 return; 517 518 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); 519 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); 520 saa_writeb(SAA7134_LEVEL_CTRL(task), 521 (vals[i].xc2_1 << 3) | (vals[i].xdcg)); 522 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, 523 (vals[i].vpfy << 2) | vals[i].vpfy); 524 } 525 526 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) 527 { 528 int val,mirror; 529 530 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); 531 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); 532 533 mirror = (dev->ctl_mirror) ? 0x02 : 0x00; 534 if (yscale < 2048) { 535 /* LPI */ 536 video_dbg("yscale LPI yscale=%d\n", yscale); 537 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); 538 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); 539 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); 540 } else { 541 /* ACM */ 542 val = 0x40 * 1024 / yscale; 543 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val); 544 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); 545 saa_writeb(SAA7134_LUMA_CONTRAST(task), val); 546 saa_writeb(SAA7134_CHROMA_SATURATION(task), val); 547 } 548 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); 549 } 550 551 static void set_size(struct saa7134_dev *dev, int task, 552 int width, int height, int interlace) 553 { 554 int prescale,xscale,yscale,y_even,y_odd; 555 int h_start, h_stop, v_start, v_stop; 556 int div = interlace ? 2 : 1; 557 558 /* setup video scaler */ 559 h_start = dev->crop_current.left; 560 v_start = dev->crop_current.top/2; 561 h_stop = (dev->crop_current.left + dev->crop_current.width -1); 562 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; 563 564 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); 565 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); 566 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); 567 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); 568 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); 569 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); 570 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); 571 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); 572 573 prescale = dev->crop_current.width / width; 574 if (0 == prescale) 575 prescale = 1; 576 xscale = 1024 * dev->crop_current.width / prescale / width; 577 yscale = 512 * div * dev->crop_current.height / height; 578 video_dbg("prescale=%d xscale=%d yscale=%d\n", 579 prescale, xscale, yscale); 580 set_h_prescale(dev,task,prescale); 581 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); 582 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); 583 set_v_scale(dev,task,yscale); 584 585 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); 586 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); 587 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); 588 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); 589 590 /* deinterlace y offsets */ 591 y_odd = dev->ctl_y_odd; 592 y_even = dev->ctl_y_even; 593 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); 594 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); 595 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); 596 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); 597 } 598 599 /* ------------------------------------------------------------------ */ 600 601 struct cliplist { 602 __u16 position; 603 __u8 enable; 604 __u8 disable; 605 }; 606 607 static void set_cliplist(struct saa7134_dev *dev, int reg, 608 struct cliplist *cl, int entries, char *name) 609 { 610 __u8 winbits = 0; 611 int i; 612 613 for (i = 0; i < entries; i++) { 614 winbits |= cl[i].enable; 615 winbits &= ~cl[i].disable; 616 if (i < 15 && cl[i].position == cl[i+1].position) 617 continue; 618 saa_writeb(reg + 0, winbits); 619 saa_writeb(reg + 2, cl[i].position & 0xff); 620 saa_writeb(reg + 3, cl[i].position >> 8); 621 video_dbg("clip: %s winbits=%02x pos=%d\n", 622 name,winbits,cl[i].position); 623 reg += 8; 624 } 625 for (; reg < 0x400; reg += 8) { 626 saa_writeb(reg+ 0, 0); 627 saa_writeb(reg + 1, 0); 628 saa_writeb(reg + 2, 0); 629 saa_writeb(reg + 3, 0); 630 } 631 } 632 633 static int clip_range(int val) 634 { 635 if (val < 0) 636 val = 0; 637 return val; 638 } 639 640 /* Sort into smallest position first order */ 641 static int cliplist_cmp(const void *a, const void *b) 642 { 643 const struct cliplist *cla = a; 644 const struct cliplist *clb = b; 645 if (cla->position < clb->position) 646 return -1; 647 if (cla->position > clb->position) 648 return 1; 649 return 0; 650 } 651 652 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, 653 int nclips, int interlace) 654 { 655 struct cliplist col[16], row[16]; 656 int cols = 0, rows = 0, i; 657 int div = interlace ? 2 : 1; 658 659 memset(col, 0, sizeof(col)); 660 memset(row, 0, sizeof(row)); 661 for (i = 0; i < nclips && i < 8; i++) { 662 col[cols].position = clip_range(clips[i].c.left); 663 col[cols].enable = (1 << i); 664 cols++; 665 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); 666 col[cols].disable = (1 << i); 667 cols++; 668 row[rows].position = clip_range(clips[i].c.top / div); 669 row[rows].enable = (1 << i); 670 rows++; 671 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) 672 / div); 673 row[rows].disable = (1 << i); 674 rows++; 675 } 676 sort(col, cols, sizeof col[0], cliplist_cmp, NULL); 677 sort(row, rows, sizeof row[0], cliplist_cmp, NULL); 678 set_cliplist(dev,0x380,col,cols,"cols"); 679 set_cliplist(dev,0x384,row,rows,"rows"); 680 return 0; 681 } 682 683 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try) 684 { 685 enum v4l2_field field; 686 int maxw, maxh; 687 688 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL)) 689 return -EINVAL; 690 if (win->w.width < 48) 691 win->w.width = 48; 692 if (win->w.height < 32) 693 win->w.height = 32; 694 if (win->clipcount > 8) 695 win->clipcount = 8; 696 697 win->chromakey = 0; 698 win->global_alpha = 0; 699 field = win->field; 700 maxw = dev->crop_current.width; 701 maxh = dev->crop_current.height; 702 703 if (V4L2_FIELD_ANY == field) { 704 field = (win->w.height > maxh/2) 705 ? V4L2_FIELD_INTERLACED 706 : V4L2_FIELD_TOP; 707 } 708 switch (field) { 709 case V4L2_FIELD_TOP: 710 case V4L2_FIELD_BOTTOM: 711 maxh = maxh / 2; 712 break; 713 default: 714 field = V4L2_FIELD_INTERLACED; 715 break; 716 } 717 718 win->field = field; 719 if (win->w.width > maxw) 720 win->w.width = maxw; 721 if (win->w.height > maxh) 722 win->w.height = maxh; 723 return 0; 724 } 725 726 static int start_preview(struct saa7134_dev *dev) 727 { 728 unsigned long base,control,bpl; 729 int err; 730 731 err = verify_preview(dev, &dev->win, false); 732 if (0 != err) 733 return err; 734 735 dev->ovfield = dev->win.field; 736 video_dbg("start_preview %dx%d+%d+%d %s field=%s\n", 737 dev->win.w.width, dev->win.w.height, 738 dev->win.w.left, dev->win.w.top, 739 dev->ovfmt->name, v4l2_field_names[dev->ovfield]); 740 741 /* setup window + clipping */ 742 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height, 743 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 744 setup_clipping(dev, dev->clips, dev->nclips, 745 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 746 if (dev->ovfmt->yuv) 747 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); 748 else 749 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); 750 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); 751 752 /* dma: setup channel 1 (= Video Task B) */ 753 base = (unsigned long)dev->ovbuf.base; 754 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top; 755 base += dev->ovfmt->depth/8 * dev->win.w.left; 756 bpl = dev->ovbuf.fmt.bytesperline; 757 control = SAA7134_RS_CONTROL_BURST_16; 758 if (dev->ovfmt->bswap) 759 control |= SAA7134_RS_CONTROL_BSWAP; 760 if (dev->ovfmt->wswap) 761 control |= SAA7134_RS_CONTROL_WSWAP; 762 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { 763 saa_writel(SAA7134_RS_BA1(1),base); 764 saa_writel(SAA7134_RS_BA2(1),base+bpl); 765 saa_writel(SAA7134_RS_PITCH(1),bpl*2); 766 saa_writel(SAA7134_RS_CONTROL(1),control); 767 } else { 768 saa_writel(SAA7134_RS_BA1(1),base); 769 saa_writel(SAA7134_RS_BA2(1),base); 770 saa_writel(SAA7134_RS_PITCH(1),bpl); 771 saa_writel(SAA7134_RS_CONTROL(1),control); 772 } 773 774 /* start dma */ 775 dev->ovenable = 1; 776 saa7134_set_dmabits(dev); 777 778 return 0; 779 } 780 781 static int stop_preview(struct saa7134_dev *dev) 782 { 783 dev->ovenable = 0; 784 saa7134_set_dmabits(dev); 785 return 0; 786 } 787 788 /* ------------------------------------------------------------------ */ 789 790 static int buffer_activate(struct saa7134_dev *dev, 791 struct saa7134_buf *buf, 792 struct saa7134_buf *next) 793 { 794 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv; 795 unsigned long base,control,bpl; 796 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 797 798 video_dbg("buffer_activate buf=%p\n", buf); 799 buf->top_seen = 0; 800 801 set_size(dev, TASK_A, dev->width, dev->height, 802 V4L2_FIELD_HAS_BOTH(dev->field)); 803 if (dev->fmt->yuv) 804 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 805 else 806 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 807 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm); 808 809 /* DMA: setup channel 0 (= Video Task A0) */ 810 base = saa7134_buffer_base(buf); 811 if (dev->fmt->planar) 812 bpl = dev->width; 813 else 814 bpl = (dev->width * dev->fmt->depth) / 8; 815 control = SAA7134_RS_CONTROL_BURST_16 | 816 SAA7134_RS_CONTROL_ME | 817 (dmaq->pt.dma >> 12); 818 if (dev->fmt->bswap) 819 control |= SAA7134_RS_CONTROL_BSWAP; 820 if (dev->fmt->wswap) 821 control |= SAA7134_RS_CONTROL_WSWAP; 822 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 823 /* interlaced */ 824 saa_writel(SAA7134_RS_BA1(0),base); 825 saa_writel(SAA7134_RS_BA2(0),base+bpl); 826 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 827 } else { 828 /* non-interlaced */ 829 saa_writel(SAA7134_RS_BA1(0),base); 830 saa_writel(SAA7134_RS_BA2(0),base); 831 saa_writel(SAA7134_RS_PITCH(0),bpl); 832 } 833 saa_writel(SAA7134_RS_CONTROL(0),control); 834 835 if (dev->fmt->planar) { 836 /* DMA: setup channel 4+5 (= planar task A) */ 837 bpl_uv = bpl >> dev->fmt->hshift; 838 lines_uv = dev->height >> dev->fmt->vshift; 839 base2 = base + bpl * dev->height; 840 base3 = base2 + bpl_uv * lines_uv; 841 if (dev->fmt->uvswap) 842 tmp = base2, base2 = base3, base3 = tmp; 843 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 844 bpl_uv,lines_uv,base2,base3); 845 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 846 /* interlaced */ 847 saa_writel(SAA7134_RS_BA1(4),base2); 848 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 849 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 850 saa_writel(SAA7134_RS_BA1(5),base3); 851 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 852 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 853 } else { 854 /* non-interlaced */ 855 saa_writel(SAA7134_RS_BA1(4),base2); 856 saa_writel(SAA7134_RS_BA2(4),base2); 857 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 858 saa_writel(SAA7134_RS_BA1(5),base3); 859 saa_writel(SAA7134_RS_BA2(5),base3); 860 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 861 } 862 saa_writel(SAA7134_RS_CONTROL(4),control); 863 saa_writel(SAA7134_RS_CONTROL(5),control); 864 } 865 866 /* start DMA */ 867 saa7134_set_dmabits(dev); 868 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT); 869 return 0; 870 } 871 872 static int buffer_init(struct vb2_buffer *vb2) 873 { 874 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 875 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2); 876 877 dmaq->curr = NULL; 878 buf->activate = buffer_activate; 879 return 0; 880 } 881 882 static int buffer_prepare(struct vb2_buffer *vb2) 883 { 884 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 885 struct saa7134_dev *dev = dmaq->dev; 886 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2); 887 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0); 888 unsigned int size; 889 890 if (dma->sgl->offset) { 891 pr_err("The buffer is not page-aligned\n"); 892 return -EINVAL; 893 } 894 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 895 if (vb2_plane_size(vb2, 0) < size) 896 return -EINVAL; 897 898 vb2_set_plane_payload(vb2, 0, size); 899 vb2->v4l2_buf.field = dev->field; 900 901 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, 902 saa7134_buffer_startpage(buf)); 903 } 904 905 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, 906 unsigned int *nbuffers, unsigned int *nplanes, 907 unsigned int sizes[], void *alloc_ctxs[]) 908 { 909 struct saa7134_dmaqueue *dmaq = q->drv_priv; 910 struct saa7134_dev *dev = dmaq->dev; 911 int size = dev->fmt->depth * dev->width * dev->height >> 3; 912 913 if (dev->width < 48 || 914 dev->height < 32 || 915 dev->width/4 > dev->crop_current.width || 916 dev->height/4 > dev->crop_current.height || 917 dev->width > dev->crop_bounds.width || 918 dev->height > dev->crop_bounds.height) 919 return -EINVAL; 920 921 *nbuffers = saa7134_buffer_count(size, *nbuffers); 922 *nplanes = 1; 923 sizes[0] = size; 924 alloc_ctxs[0] = dev->alloc_ctx; 925 return 0; 926 } 927 928 /* 929 * move buffer to hardware queue 930 */ 931 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) 932 { 933 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; 934 struct saa7134_dev *dev = dmaq->dev; 935 struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2); 936 937 saa7134_buffer_queue(dev, dmaq, buf); 938 } 939 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); 940 941 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) 942 { 943 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 944 struct saa7134_dev *dev = dmaq->dev; 945 946 /* 947 * Planar video capture and TS share the same DMA channel, 948 * so only one can be active at a time. 949 */ 950 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && 951 dmaq == &dev->video_q && dev->fmt->planar) { 952 struct saa7134_buf *buf, *tmp; 953 954 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { 955 list_del(&buf->entry); 956 vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED); 957 } 958 if (dmaq->curr) { 959 vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED); 960 dmaq->curr = NULL; 961 } 962 return -EBUSY; 963 } 964 965 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 966 * configured conservatively, there's 22 usec of buffering for video. 967 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 968 * margin in case the FIFO is configured differently to the datasheet. 969 * Unfortunately, I lack register-level documentation to check the 970 * Linux FIFO setup and confirm the perfect value. 971 */ 972 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 973 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 974 pm_qos_add_request(&dev->qos_request, 975 PM_QOS_CPU_DMA_LATENCY, 20); 976 dmaq->seq_nr = 0; 977 978 return 0; 979 } 980 981 void saa7134_vb2_stop_streaming(struct vb2_queue *vq) 982 { 983 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 984 struct saa7134_dev *dev = dmaq->dev; 985 986 saa7134_stop_streaming(dev, dmaq); 987 988 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 989 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 990 pm_qos_remove_request(&dev->qos_request); 991 } 992 993 static struct vb2_ops vb2_qops = { 994 .queue_setup = queue_setup, 995 .buf_init = buffer_init, 996 .buf_prepare = buffer_prepare, 997 .buf_queue = saa7134_vb2_buffer_queue, 998 .wait_prepare = vb2_ops_wait_prepare, 999 .wait_finish = vb2_ops_wait_finish, 1000 .start_streaming = saa7134_vb2_start_streaming, 1001 .stop_streaming = saa7134_vb2_stop_streaming, 1002 }; 1003 1004 /* ------------------------------------------------------------------ */ 1005 1006 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) 1007 { 1008 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); 1009 unsigned long flags; 1010 int restart_overlay = 0; 1011 1012 switch (ctrl->id) { 1013 case V4L2_CID_BRIGHTNESS: 1014 dev->ctl_bright = ctrl->val; 1015 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); 1016 break; 1017 case V4L2_CID_HUE: 1018 dev->ctl_hue = ctrl->val; 1019 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); 1020 break; 1021 case V4L2_CID_CONTRAST: 1022 dev->ctl_contrast = ctrl->val; 1023 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1024 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1025 break; 1026 case V4L2_CID_SATURATION: 1027 dev->ctl_saturation = ctrl->val; 1028 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1029 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1030 break; 1031 case V4L2_CID_AUDIO_MUTE: 1032 dev->ctl_mute = ctrl->val; 1033 saa7134_tvaudio_setmute(dev); 1034 break; 1035 case V4L2_CID_AUDIO_VOLUME: 1036 dev->ctl_volume = ctrl->val; 1037 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1038 break; 1039 case V4L2_CID_PRIVATE_INVERT: 1040 dev->ctl_invert = ctrl->val; 1041 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1042 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1043 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1044 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1045 break; 1046 case V4L2_CID_HFLIP: 1047 dev->ctl_mirror = ctrl->val; 1048 restart_overlay = 1; 1049 break; 1050 case V4L2_CID_PRIVATE_Y_EVEN: 1051 dev->ctl_y_even = ctrl->val; 1052 restart_overlay = 1; 1053 break; 1054 case V4L2_CID_PRIVATE_Y_ODD: 1055 dev->ctl_y_odd = ctrl->val; 1056 restart_overlay = 1; 1057 break; 1058 case V4L2_CID_PRIVATE_AUTOMUTE: 1059 { 1060 struct v4l2_priv_tun_config tda9887_cfg; 1061 1062 tda9887_cfg.tuner = TUNER_TDA9887; 1063 tda9887_cfg.priv = &dev->tda9887_conf; 1064 1065 dev->ctl_automute = ctrl->val; 1066 if (dev->tda9887_conf) { 1067 if (dev->ctl_automute) 1068 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1069 else 1070 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1071 1072 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1073 } 1074 break; 1075 } 1076 default: 1077 return -EINVAL; 1078 } 1079 if (restart_overlay && dev->overlay_owner) { 1080 spin_lock_irqsave(&dev->slock, flags); 1081 stop_preview(dev); 1082 start_preview(dev); 1083 spin_unlock_irqrestore(&dev->slock, flags); 1084 } 1085 return 0; 1086 } 1087 1088 /* ------------------------------------------------------------------ */ 1089 1090 static int video_open(struct file *file) 1091 { 1092 struct video_device *vdev = video_devdata(file); 1093 struct saa7134_dev *dev = video_drvdata(file); 1094 int ret = v4l2_fh_open(file); 1095 1096 if (ret < 0) 1097 return ret; 1098 1099 mutex_lock(&dev->lock); 1100 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1101 /* switch to radio mode */ 1102 saa7134_tvaudio_setinput(dev, &card(dev).radio); 1103 saa_call_all(dev, tuner, s_radio); 1104 } else { 1105 /* switch to video/vbi mode */ 1106 video_mux(dev, dev->ctl_input); 1107 } 1108 mutex_unlock(&dev->lock); 1109 1110 return 0; 1111 } 1112 1113 static int video_release(struct file *file) 1114 { 1115 struct video_device *vdev = video_devdata(file); 1116 struct saa7134_dev *dev = video_drvdata(file); 1117 struct v4l2_fh *fh = file->private_data; 1118 struct saa6588_command cmd; 1119 unsigned long flags; 1120 1121 mutex_lock(&dev->lock); 1122 saa7134_tvaudio_close(dev); 1123 1124 /* turn off overlay */ 1125 if (fh == dev->overlay_owner) { 1126 spin_lock_irqsave(&dev->slock,flags); 1127 stop_preview(dev); 1128 spin_unlock_irqrestore(&dev->slock,flags); 1129 dev->overlay_owner = NULL; 1130 } 1131 1132 if (vdev->vfl_type == VFL_TYPE_RADIO) 1133 v4l2_fh_release(file); 1134 else 1135 _vb2_fop_release(file, NULL); 1136 1137 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1138 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1139 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1140 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1141 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1142 1143 saa_call_all(dev, core, s_power, 0); 1144 if (vdev->vfl_type == VFL_TYPE_RADIO) 1145 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1146 mutex_unlock(&dev->lock); 1147 1148 return 0; 1149 } 1150 1151 static ssize_t radio_read(struct file *file, char __user *data, 1152 size_t count, loff_t *ppos) 1153 { 1154 struct saa7134_dev *dev = video_drvdata(file); 1155 struct saa6588_command cmd; 1156 1157 cmd.block_count = count/3; 1158 cmd.nonblocking = file->f_flags & O_NONBLOCK; 1159 cmd.buffer = data; 1160 cmd.instance = file; 1161 cmd.result = -ENODEV; 1162 1163 mutex_lock(&dev->lock); 1164 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1165 mutex_unlock(&dev->lock); 1166 1167 return cmd.result; 1168 } 1169 1170 static unsigned int radio_poll(struct file *file, poll_table *wait) 1171 { 1172 struct saa7134_dev *dev = video_drvdata(file); 1173 struct saa6588_command cmd; 1174 unsigned int rc = v4l2_ctrl_poll(file, wait); 1175 1176 cmd.instance = file; 1177 cmd.event_list = wait; 1178 cmd.result = 0; 1179 mutex_lock(&dev->lock); 1180 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1181 mutex_unlock(&dev->lock); 1182 1183 return rc | cmd.result; 1184 } 1185 1186 /* ------------------------------------------------------------------ */ 1187 1188 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1189 struct v4l2_format *f) 1190 { 1191 struct saa7134_dev *dev = video_drvdata(file); 1192 struct saa7134_tvnorm *norm = dev->tvnorm; 1193 1194 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1195 f->fmt.vbi.sampling_rate = 6750000 * 4; 1196 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1197 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1198 f->fmt.vbi.offset = 64 * 4; 1199 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1200 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1201 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1202 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1203 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1204 1205 return 0; 1206 } 1207 1208 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1209 struct v4l2_format *f) 1210 { 1211 struct saa7134_dev *dev = video_drvdata(file); 1212 1213 f->fmt.pix.width = dev->width; 1214 f->fmt.pix.height = dev->height; 1215 f->fmt.pix.field = dev->field; 1216 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1217 f->fmt.pix.bytesperline = 1218 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1219 f->fmt.pix.sizeimage = 1220 f->fmt.pix.height * f->fmt.pix.bytesperline; 1221 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1222 return 0; 1223 } 1224 1225 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1226 struct v4l2_format *f) 1227 { 1228 struct saa7134_dev *dev = video_drvdata(file); 1229 struct v4l2_clip __user *clips = f->fmt.win.clips; 1230 u32 clipcount = f->fmt.win.clipcount; 1231 int err = 0; 1232 int i; 1233 1234 if (saa7134_no_overlay > 0) { 1235 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1236 return -EINVAL; 1237 } 1238 f->fmt.win = dev->win; 1239 f->fmt.win.clips = clips; 1240 if (clips == NULL) 1241 clipcount = 0; 1242 if (dev->nclips < clipcount) 1243 clipcount = dev->nclips; 1244 f->fmt.win.clipcount = clipcount; 1245 1246 for (i = 0; !err && i < clipcount; i++) { 1247 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1248 sizeof(struct v4l2_rect))) 1249 err = -EFAULT; 1250 } 1251 1252 return err; 1253 } 1254 1255 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1256 struct v4l2_format *f) 1257 { 1258 struct saa7134_dev *dev = video_drvdata(file); 1259 struct saa7134_format *fmt; 1260 enum v4l2_field field; 1261 unsigned int maxw, maxh; 1262 1263 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1264 if (NULL == fmt) 1265 return -EINVAL; 1266 1267 field = f->fmt.pix.field; 1268 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1269 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1270 1271 if (V4L2_FIELD_ANY == field) { 1272 field = (f->fmt.pix.height > maxh/2) 1273 ? V4L2_FIELD_INTERLACED 1274 : V4L2_FIELD_BOTTOM; 1275 } 1276 switch (field) { 1277 case V4L2_FIELD_TOP: 1278 case V4L2_FIELD_BOTTOM: 1279 maxh = maxh / 2; 1280 break; 1281 default: 1282 field = V4L2_FIELD_INTERLACED; 1283 break; 1284 } 1285 1286 f->fmt.pix.field = field; 1287 if (f->fmt.pix.width < 48) 1288 f->fmt.pix.width = 48; 1289 if (f->fmt.pix.height < 32) 1290 f->fmt.pix.height = 32; 1291 if (f->fmt.pix.width > maxw) 1292 f->fmt.pix.width = maxw; 1293 if (f->fmt.pix.height > maxh) 1294 f->fmt.pix.height = maxh; 1295 f->fmt.pix.width &= ~0x03; 1296 f->fmt.pix.bytesperline = 1297 (f->fmt.pix.width * fmt->depth) >> 3; 1298 f->fmt.pix.sizeimage = 1299 f->fmt.pix.height * f->fmt.pix.bytesperline; 1300 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1301 1302 return 0; 1303 } 1304 1305 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1306 struct v4l2_format *f) 1307 { 1308 struct saa7134_dev *dev = video_drvdata(file); 1309 1310 if (saa7134_no_overlay > 0) { 1311 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1312 return -EINVAL; 1313 } 1314 1315 if (f->fmt.win.clips == NULL) 1316 f->fmt.win.clipcount = 0; 1317 return verify_preview(dev, &f->fmt.win, true); 1318 } 1319 1320 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1321 struct v4l2_format *f) 1322 { 1323 struct saa7134_dev *dev = video_drvdata(file); 1324 int err; 1325 1326 err = saa7134_try_fmt_vid_cap(file, priv, f); 1327 if (0 != err) 1328 return err; 1329 1330 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1331 dev->width = f->fmt.pix.width; 1332 dev->height = f->fmt.pix.height; 1333 dev->field = f->fmt.pix.field; 1334 return 0; 1335 } 1336 1337 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1338 struct v4l2_format *f) 1339 { 1340 struct saa7134_dev *dev = video_drvdata(file); 1341 int err; 1342 unsigned long flags; 1343 1344 if (saa7134_no_overlay > 0) { 1345 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1346 return -EINVAL; 1347 } 1348 if (f->fmt.win.clips == NULL) 1349 f->fmt.win.clipcount = 0; 1350 err = verify_preview(dev, &f->fmt.win, true); 1351 if (0 != err) 1352 return err; 1353 1354 dev->win = f->fmt.win; 1355 dev->nclips = f->fmt.win.clipcount; 1356 1357 if (copy_from_user(dev->clips, f->fmt.win.clips, 1358 sizeof(struct v4l2_clip) * dev->nclips)) 1359 return -EFAULT; 1360 1361 if (priv == dev->overlay_owner) { 1362 spin_lock_irqsave(&dev->slock, flags); 1363 stop_preview(dev); 1364 start_preview(dev); 1365 spin_unlock_irqrestore(&dev->slock, flags); 1366 } 1367 1368 return 0; 1369 } 1370 1371 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1372 { 1373 struct saa7134_dev *dev = video_drvdata(file); 1374 unsigned int n; 1375 1376 n = i->index; 1377 if (n >= SAA7134_INPUT_MAX) 1378 return -EINVAL; 1379 if (NULL == card_in(dev, i->index).name) 1380 return -EINVAL; 1381 i->index = n; 1382 i->type = V4L2_INPUT_TYPE_CAMERA; 1383 strcpy(i->name, card_in(dev, n).name); 1384 if (card_in(dev, n).tv) 1385 i->type = V4L2_INPUT_TYPE_TUNER; 1386 if (n == dev->ctl_input) { 1387 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1388 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1389 1390 if (0 != (v1 & 0x40)) 1391 i->status |= V4L2_IN_ST_NO_H_LOCK; 1392 if (0 != (v2 & 0x40)) 1393 i->status |= V4L2_IN_ST_NO_SIGNAL; 1394 if (0 != (v2 & 0x0e)) 1395 i->status |= V4L2_IN_ST_MACROVISION; 1396 } 1397 i->std = SAA7134_NORMS; 1398 return 0; 1399 } 1400 EXPORT_SYMBOL_GPL(saa7134_enum_input); 1401 1402 int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1403 { 1404 struct saa7134_dev *dev = video_drvdata(file); 1405 1406 *i = dev->ctl_input; 1407 return 0; 1408 } 1409 EXPORT_SYMBOL_GPL(saa7134_g_input); 1410 1411 int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1412 { 1413 struct saa7134_dev *dev = video_drvdata(file); 1414 1415 if (i >= SAA7134_INPUT_MAX) 1416 return -EINVAL; 1417 if (NULL == card_in(dev, i).name) 1418 return -EINVAL; 1419 video_mux(dev, i); 1420 return 0; 1421 } 1422 EXPORT_SYMBOL_GPL(saa7134_s_input); 1423 1424 int saa7134_querycap(struct file *file, void *priv, 1425 struct v4l2_capability *cap) 1426 { 1427 struct saa7134_dev *dev = video_drvdata(file); 1428 struct video_device *vdev = video_devdata(file); 1429 u32 radio_caps, video_caps, vbi_caps; 1430 1431 unsigned int tuner_type = dev->tuner_type; 1432 1433 strcpy(cap->driver, "saa7134"); 1434 strlcpy(cap->card, saa7134_boards[dev->board].name, 1435 sizeof(cap->card)); 1436 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1437 1438 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1439 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1440 cap->device_caps |= V4L2_CAP_TUNER; 1441 1442 radio_caps = V4L2_CAP_RADIO; 1443 if (dev->has_rds) 1444 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1445 1446 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1447 if (saa7134_no_overlay <= 0 && !is_empress(file)) 1448 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1449 1450 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1451 1452 switch (vdev->vfl_type) { 1453 case VFL_TYPE_RADIO: 1454 cap->device_caps |= radio_caps; 1455 break; 1456 case VFL_TYPE_GRABBER: 1457 cap->device_caps |= video_caps; 1458 break; 1459 case VFL_TYPE_VBI: 1460 cap->device_caps |= vbi_caps; 1461 break; 1462 } 1463 cap->capabilities = radio_caps | video_caps | vbi_caps | 1464 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1465 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1466 cap->device_caps &= ~V4L2_CAP_STREAMING; 1467 if (!dev->has_rds) 1468 cap->device_caps &= ~V4L2_CAP_READWRITE; 1469 } 1470 1471 return 0; 1472 } 1473 EXPORT_SYMBOL_GPL(saa7134_querycap); 1474 1475 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1476 { 1477 struct saa7134_dev *dev = video_drvdata(file); 1478 struct v4l2_fh *fh = priv; 1479 unsigned long flags; 1480 unsigned int i; 1481 v4l2_std_id fixup; 1482 1483 if (is_empress(file) && dev->overlay_owner) { 1484 /* Don't change the std from the mpeg device 1485 if overlay is active. */ 1486 return -EBUSY; 1487 } 1488 1489 for (i = 0; i < TVNORMS; i++) 1490 if (id == tvnorms[i].id) 1491 break; 1492 1493 if (i == TVNORMS) 1494 for (i = 0; i < TVNORMS; i++) 1495 if (id & tvnorms[i].id) 1496 break; 1497 if (i == TVNORMS) 1498 return -EINVAL; 1499 1500 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1501 if (secam[0] == 'L' || secam[0] == 'l') { 1502 if (secam[1] == 'C' || secam[1] == 'c') 1503 fixup = V4L2_STD_SECAM_LC; 1504 else 1505 fixup = V4L2_STD_SECAM_L; 1506 } else { 1507 if (secam[0] == 'D' || secam[0] == 'd') 1508 fixup = V4L2_STD_SECAM_DK; 1509 else 1510 fixup = V4L2_STD_SECAM; 1511 } 1512 for (i = 0; i < TVNORMS; i++) { 1513 if (fixup == tvnorms[i].id) 1514 break; 1515 } 1516 if (i == TVNORMS) 1517 return -EINVAL; 1518 } 1519 1520 id = tvnorms[i].id; 1521 1522 if (!is_empress(file) && fh == dev->overlay_owner) { 1523 spin_lock_irqsave(&dev->slock, flags); 1524 stop_preview(dev); 1525 spin_unlock_irqrestore(&dev->slock, flags); 1526 1527 set_tvnorm(dev, &tvnorms[i]); 1528 1529 spin_lock_irqsave(&dev->slock, flags); 1530 start_preview(dev); 1531 spin_unlock_irqrestore(&dev->slock, flags); 1532 } else 1533 set_tvnorm(dev, &tvnorms[i]); 1534 1535 saa7134_tvaudio_do_scan(dev); 1536 return 0; 1537 } 1538 EXPORT_SYMBOL_GPL(saa7134_s_std); 1539 1540 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1541 { 1542 struct saa7134_dev *dev = video_drvdata(file); 1543 1544 *id = dev->tvnorm->id; 1545 return 0; 1546 } 1547 EXPORT_SYMBOL_GPL(saa7134_g_std); 1548 1549 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) 1550 { 1551 static v4l2_std_id stds[] = { 1552 V4L2_STD_UNKNOWN, 1553 V4L2_STD_NTSC, 1554 V4L2_STD_PAL, 1555 V4L2_STD_SECAM }; 1556 1557 v4l2_std_id result = 0; 1558 1559 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1560 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1561 1562 if (!(st2 & 0x1)) /* RDCAP == 0 */ 1563 result = V4L2_STD_UNKNOWN; 1564 else 1565 result = stds[st1 & 0x03]; 1566 1567 return result; 1568 } 1569 1570 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) 1571 { 1572 struct saa7134_dev *dev = video_drvdata(file); 1573 *std &= saa7134_read_std(dev); 1574 return 0; 1575 } 1576 EXPORT_SYMBOL_GPL(saa7134_querystd); 1577 1578 static int saa7134_cropcap(struct file *file, void *priv, 1579 struct v4l2_cropcap *cap) 1580 { 1581 struct saa7134_dev *dev = video_drvdata(file); 1582 1583 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1584 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1585 return -EINVAL; 1586 cap->bounds = dev->crop_bounds; 1587 cap->defrect = dev->crop_defrect; 1588 cap->pixelaspect.numerator = 1; 1589 cap->pixelaspect.denominator = 1; 1590 if (dev->tvnorm->id & V4L2_STD_525_60) { 1591 cap->pixelaspect.numerator = 11; 1592 cap->pixelaspect.denominator = 10; 1593 } 1594 if (dev->tvnorm->id & V4L2_STD_625_50) { 1595 cap->pixelaspect.numerator = 54; 1596 cap->pixelaspect.denominator = 59; 1597 } 1598 return 0; 1599 } 1600 1601 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1602 { 1603 struct saa7134_dev *dev = video_drvdata(file); 1604 1605 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1606 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1607 return -EINVAL; 1608 crop->c = dev->crop_current; 1609 return 0; 1610 } 1611 1612 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1613 { 1614 struct saa7134_dev *dev = video_drvdata(file); 1615 struct v4l2_rect *b = &dev->crop_bounds; 1616 struct v4l2_rect *c = &dev->crop_current; 1617 1618 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1619 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1620 return -EINVAL; 1621 1622 if (dev->overlay_owner) 1623 return -EBUSY; 1624 if (vb2_is_streaming(&dev->video_vbq)) 1625 return -EBUSY; 1626 1627 *c = crop->c; 1628 if (c->top < b->top) 1629 c->top = b->top; 1630 if (c->top > b->top + b->height) 1631 c->top = b->top + b->height; 1632 if (c->height > b->top - c->top + b->height) 1633 c->height = b->top - c->top + b->height; 1634 1635 if (c->left < b->left) 1636 c->left = b->left; 1637 if (c->left > b->left + b->width) 1638 c->left = b->left + b->width; 1639 if (c->width > b->left - c->left + b->width) 1640 c->width = b->left - c->left + b->width; 1641 return 0; 1642 } 1643 1644 int saa7134_g_tuner(struct file *file, void *priv, 1645 struct v4l2_tuner *t) 1646 { 1647 struct saa7134_dev *dev = video_drvdata(file); 1648 int n; 1649 1650 if (0 != t->index) 1651 return -EINVAL; 1652 memset(t, 0, sizeof(*t)); 1653 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 1654 if (card_in(dev, n).tv) 1655 break; 1656 } 1657 if (n == SAA7134_INPUT_MAX) 1658 return -EINVAL; 1659 if (NULL != card_in(dev, n).name) { 1660 strcpy(t->name, "Television"); 1661 t->type = V4L2_TUNER_ANALOG_TV; 1662 saa_call_all(dev, tuner, g_tuner, t); 1663 t->capability = V4L2_TUNER_CAP_NORM | 1664 V4L2_TUNER_CAP_STEREO | 1665 V4L2_TUNER_CAP_LANG1 | 1666 V4L2_TUNER_CAP_LANG2; 1667 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 1668 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 1669 } 1670 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 1671 t->signal = 0xffff; 1672 return 0; 1673 } 1674 EXPORT_SYMBOL_GPL(saa7134_g_tuner); 1675 1676 int saa7134_s_tuner(struct file *file, void *priv, 1677 const struct v4l2_tuner *t) 1678 { 1679 struct saa7134_dev *dev = video_drvdata(file); 1680 int rx, mode; 1681 1682 if (0 != t->index) 1683 return -EINVAL; 1684 1685 mode = dev->thread.mode; 1686 if (UNSET == mode) { 1687 rx = saa7134_tvaudio_getstereo(dev); 1688 mode = saa7134_tvaudio_rx2mode(rx); 1689 } 1690 if (mode != t->audmode) 1691 dev->thread.mode = t->audmode; 1692 1693 return 0; 1694 } 1695 EXPORT_SYMBOL_GPL(saa7134_s_tuner); 1696 1697 int saa7134_g_frequency(struct file *file, void *priv, 1698 struct v4l2_frequency *f) 1699 { 1700 struct saa7134_dev *dev = video_drvdata(file); 1701 1702 if (0 != f->tuner) 1703 return -EINVAL; 1704 1705 saa_call_all(dev, tuner, g_frequency, f); 1706 1707 return 0; 1708 } 1709 EXPORT_SYMBOL_GPL(saa7134_g_frequency); 1710 1711 int saa7134_s_frequency(struct file *file, void *priv, 1712 const struct v4l2_frequency *f) 1713 { 1714 struct saa7134_dev *dev = video_drvdata(file); 1715 1716 if (0 != f->tuner) 1717 return -EINVAL; 1718 1719 saa_call_all(dev, tuner, s_frequency, f); 1720 1721 saa7134_tvaudio_do_scan(dev); 1722 return 0; 1723 } 1724 EXPORT_SYMBOL_GPL(saa7134_s_frequency); 1725 1726 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 1727 struct v4l2_fmtdesc *f) 1728 { 1729 if (f->index >= FORMATS) 1730 return -EINVAL; 1731 1732 strlcpy(f->description, formats[f->index].name, 1733 sizeof(f->description)); 1734 1735 f->pixelformat = formats[f->index].fourcc; 1736 1737 return 0; 1738 } 1739 1740 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 1741 struct v4l2_fmtdesc *f) 1742 { 1743 if (saa7134_no_overlay > 0) { 1744 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1745 return -EINVAL; 1746 } 1747 1748 if ((f->index >= FORMATS) || formats[f->index].planar) 1749 return -EINVAL; 1750 1751 strlcpy(f->description, formats[f->index].name, 1752 sizeof(f->description)); 1753 1754 f->pixelformat = formats[f->index].fourcc; 1755 1756 return 0; 1757 } 1758 1759 static int saa7134_g_fbuf(struct file *file, void *f, 1760 struct v4l2_framebuffer *fb) 1761 { 1762 struct saa7134_dev *dev = video_drvdata(file); 1763 1764 *fb = dev->ovbuf; 1765 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 1766 1767 return 0; 1768 } 1769 1770 static int saa7134_s_fbuf(struct file *file, void *f, 1771 const struct v4l2_framebuffer *fb) 1772 { 1773 struct saa7134_dev *dev = video_drvdata(file); 1774 struct saa7134_format *fmt; 1775 1776 if (!capable(CAP_SYS_ADMIN) && 1777 !capable(CAP_SYS_RAWIO)) 1778 return -EPERM; 1779 1780 /* check args */ 1781 fmt = format_by_fourcc(fb->fmt.pixelformat); 1782 if (NULL == fmt) 1783 return -EINVAL; 1784 1785 /* ok, accept it */ 1786 dev->ovbuf = *fb; 1787 dev->ovfmt = fmt; 1788 if (0 == dev->ovbuf.fmt.bytesperline) 1789 dev->ovbuf.fmt.bytesperline = 1790 dev->ovbuf.fmt.width*fmt->depth/8; 1791 return 0; 1792 } 1793 1794 static int saa7134_overlay(struct file *file, void *priv, unsigned int on) 1795 { 1796 struct saa7134_dev *dev = video_drvdata(file); 1797 unsigned long flags; 1798 1799 if (on) { 1800 if (saa7134_no_overlay > 0) { 1801 video_dbg("no_overlay\n"); 1802 return -EINVAL; 1803 } 1804 1805 if (dev->overlay_owner && priv != dev->overlay_owner) 1806 return -EBUSY; 1807 dev->overlay_owner = priv; 1808 spin_lock_irqsave(&dev->slock, flags); 1809 start_preview(dev); 1810 spin_unlock_irqrestore(&dev->slock, flags); 1811 } 1812 if (!on) { 1813 if (priv != dev->overlay_owner) 1814 return -EINVAL; 1815 spin_lock_irqsave(&dev->slock, flags); 1816 stop_preview(dev); 1817 spin_unlock_irqrestore(&dev->slock, flags); 1818 dev->overlay_owner = NULL; 1819 } 1820 return 0; 1821 } 1822 1823 #ifdef CONFIG_VIDEO_ADV_DEBUG 1824 static int vidioc_g_register (struct file *file, void *priv, 1825 struct v4l2_dbg_register *reg) 1826 { 1827 struct saa7134_dev *dev = video_drvdata(file); 1828 1829 reg->val = saa_readb(reg->reg & 0xffffff); 1830 reg->size = 1; 1831 return 0; 1832 } 1833 1834 static int vidioc_s_register (struct file *file, void *priv, 1835 const struct v4l2_dbg_register *reg) 1836 { 1837 struct saa7134_dev *dev = video_drvdata(file); 1838 1839 saa_writeb(reg->reg & 0xffffff, reg->val); 1840 return 0; 1841 } 1842 #endif 1843 1844 static int radio_g_tuner(struct file *file, void *priv, 1845 struct v4l2_tuner *t) 1846 { 1847 struct saa7134_dev *dev = video_drvdata(file); 1848 1849 if (0 != t->index) 1850 return -EINVAL; 1851 1852 strcpy(t->name, "Radio"); 1853 1854 saa_call_all(dev, tuner, g_tuner, t); 1855 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 1856 if (dev->input->amux == TV) { 1857 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 1858 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 1859 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 1860 } 1861 return 0; 1862 } 1863 static int radio_s_tuner(struct file *file, void *priv, 1864 const struct v4l2_tuner *t) 1865 { 1866 struct saa7134_dev *dev = video_drvdata(file); 1867 1868 if (0 != t->index) 1869 return -EINVAL; 1870 1871 saa_call_all(dev, tuner, s_tuner, t); 1872 return 0; 1873 } 1874 1875 static const struct v4l2_file_operations video_fops = 1876 { 1877 .owner = THIS_MODULE, 1878 .open = video_open, 1879 .release = video_release, 1880 .read = vb2_fop_read, 1881 .poll = vb2_fop_poll, 1882 .mmap = vb2_fop_mmap, 1883 .unlocked_ioctl = video_ioctl2, 1884 }; 1885 1886 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1887 .vidioc_querycap = saa7134_querycap, 1888 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 1889 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 1890 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 1891 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 1892 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 1893 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 1894 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 1895 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 1896 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1897 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1898 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1899 .vidioc_cropcap = saa7134_cropcap, 1900 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1901 .vidioc_querybuf = vb2_ioctl_querybuf, 1902 .vidioc_qbuf = vb2_ioctl_qbuf, 1903 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1904 .vidioc_s_std = saa7134_s_std, 1905 .vidioc_g_std = saa7134_g_std, 1906 .vidioc_querystd = saa7134_querystd, 1907 .vidioc_enum_input = saa7134_enum_input, 1908 .vidioc_g_input = saa7134_g_input, 1909 .vidioc_s_input = saa7134_s_input, 1910 .vidioc_streamon = vb2_ioctl_streamon, 1911 .vidioc_streamoff = vb2_ioctl_streamoff, 1912 .vidioc_g_tuner = saa7134_g_tuner, 1913 .vidioc_s_tuner = saa7134_s_tuner, 1914 .vidioc_g_crop = saa7134_g_crop, 1915 .vidioc_s_crop = saa7134_s_crop, 1916 .vidioc_g_fbuf = saa7134_g_fbuf, 1917 .vidioc_s_fbuf = saa7134_s_fbuf, 1918 .vidioc_overlay = saa7134_overlay, 1919 .vidioc_g_frequency = saa7134_g_frequency, 1920 .vidioc_s_frequency = saa7134_s_frequency, 1921 #ifdef CONFIG_VIDEO_ADV_DEBUG 1922 .vidioc_g_register = vidioc_g_register, 1923 .vidioc_s_register = vidioc_s_register, 1924 #endif 1925 .vidioc_log_status = v4l2_ctrl_log_status, 1926 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1927 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1928 }; 1929 1930 static const struct v4l2_file_operations radio_fops = { 1931 .owner = THIS_MODULE, 1932 .open = video_open, 1933 .read = radio_read, 1934 .release = video_release, 1935 .unlocked_ioctl = video_ioctl2, 1936 .poll = radio_poll, 1937 }; 1938 1939 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1940 .vidioc_querycap = saa7134_querycap, 1941 .vidioc_g_tuner = radio_g_tuner, 1942 .vidioc_s_tuner = radio_s_tuner, 1943 .vidioc_g_frequency = saa7134_g_frequency, 1944 .vidioc_s_frequency = saa7134_s_frequency, 1945 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1946 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1947 }; 1948 1949 /* ----------------------------------------------------------- */ 1950 /* exported stuff */ 1951 1952 struct video_device saa7134_video_template = { 1953 .name = "saa7134-video", 1954 .fops = &video_fops, 1955 .ioctl_ops = &video_ioctl_ops, 1956 .tvnorms = SAA7134_NORMS, 1957 }; 1958 1959 struct video_device saa7134_radio_template = { 1960 .name = "saa7134-radio", 1961 .fops = &radio_fops, 1962 .ioctl_ops = &radio_ioctl_ops, 1963 }; 1964 1965 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { 1966 .s_ctrl = saa7134_s_ctrl, 1967 }; 1968 1969 static const struct v4l2_ctrl_config saa7134_ctrl_invert = { 1970 .ops = &saa7134_ctrl_ops, 1971 .id = V4L2_CID_PRIVATE_INVERT, 1972 .name = "Invert", 1973 .type = V4L2_CTRL_TYPE_BOOLEAN, 1974 .min = 0, 1975 .max = 1, 1976 .step = 1, 1977 }; 1978 1979 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { 1980 .ops = &saa7134_ctrl_ops, 1981 .id = V4L2_CID_PRIVATE_Y_ODD, 1982 .name = "Y Offset Odd Field", 1983 .type = V4L2_CTRL_TYPE_INTEGER, 1984 .min = 0, 1985 .max = 128, 1986 .step = 1, 1987 }; 1988 1989 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { 1990 .ops = &saa7134_ctrl_ops, 1991 .id = V4L2_CID_PRIVATE_Y_EVEN, 1992 .name = "Y Offset Even Field", 1993 .type = V4L2_CTRL_TYPE_INTEGER, 1994 .min = 0, 1995 .max = 128, 1996 .step = 1, 1997 }; 1998 1999 static const struct v4l2_ctrl_config saa7134_ctrl_automute = { 2000 .ops = &saa7134_ctrl_ops, 2001 .id = V4L2_CID_PRIVATE_AUTOMUTE, 2002 .name = "Automute", 2003 .type = V4L2_CTRL_TYPE_BOOLEAN, 2004 .min = 0, 2005 .max = 1, 2006 .step = 1, 2007 .def = 1, 2008 }; 2009 2010 int saa7134_video_init1(struct saa7134_dev *dev) 2011 { 2012 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; 2013 struct vb2_queue *q; 2014 int ret; 2015 2016 /* sanitycheck insmod options */ 2017 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2018 gbuffers = 2; 2019 if (gbufsize > gbufsize_max) 2020 gbufsize = gbufsize_max; 2021 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2022 2023 v4l2_ctrl_handler_init(hdl, 11); 2024 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2025 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 2026 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2027 V4L2_CID_CONTRAST, 0, 127, 1, 68); 2028 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2029 V4L2_CID_SATURATION, 0, 127, 1, 64); 2030 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2031 V4L2_CID_HUE, -128, 127, 1, 0); 2032 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2033 V4L2_CID_HFLIP, 0, 1, 1, 0); 2034 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2035 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); 2036 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2037 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); 2038 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); 2039 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); 2040 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); 2041 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); 2042 if (hdl->error) 2043 return hdl->error; 2044 if (card_has_radio(dev)) { 2045 hdl = &dev->radio_ctrl_handler; 2046 v4l2_ctrl_handler_init(hdl, 2); 2047 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, 2048 v4l2_ctrl_radio_filter); 2049 if (hdl->error) 2050 return hdl->error; 2051 } 2052 dev->ctl_mute = 1; 2053 2054 if (dev->tda9887_conf && saa7134_ctrl_automute.def) 2055 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2056 dev->automute = 0; 2057 2058 INIT_LIST_HEAD(&dev->video_q.queue); 2059 init_timer(&dev->video_q.timeout); 2060 dev->video_q.timeout.function = saa7134_buffer_timeout; 2061 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2062 dev->video_q.dev = dev; 2063 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2064 dev->width = 720; 2065 dev->height = 576; 2066 dev->field = V4L2_FIELD_INTERLACED; 2067 dev->win.w.width = dev->width; 2068 dev->win.w.height = dev->height; 2069 dev->win.field = V4L2_FIELD_INTERLACED; 2070 dev->ovbuf.fmt.width = dev->width; 2071 dev->ovbuf.fmt.height = dev->height; 2072 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2073 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2074 2075 if (saa7134_boards[dev->board].video_out) 2076 saa7134_videoport_init(dev); 2077 2078 q = &dev->video_vbq; 2079 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2080 /* 2081 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA 2082 * engine cannot handle transfers that do not start at the beginning 2083 * of a page. A user-provided pointer can start anywhere in a page, so 2084 * USERPTR support is a no-go unless the application knows about these 2085 * limitations and has special support for this. 2086 */ 2087 q->io_modes = VB2_MMAP | VB2_READ; 2088 if (saa7134_userptr) 2089 q->io_modes |= VB2_USERPTR; 2090 q->drv_priv = &dev->video_q; 2091 q->ops = &vb2_qops; 2092 q->gfp_flags = GFP_DMA32; 2093 q->mem_ops = &vb2_dma_sg_memops; 2094 q->buf_struct_size = sizeof(struct saa7134_buf); 2095 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2096 q->lock = &dev->lock; 2097 ret = vb2_queue_init(q); 2098 if (ret) 2099 return ret; 2100 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); 2101 2102 q = &dev->vbi_vbq; 2103 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 2104 /* Don't add VB2_USERPTR, see comment above */ 2105 q->io_modes = VB2_MMAP | VB2_READ; 2106 if (saa7134_userptr) 2107 q->io_modes |= VB2_USERPTR; 2108 q->drv_priv = &dev->vbi_q; 2109 q->ops = &saa7134_vbi_qops; 2110 q->gfp_flags = GFP_DMA32; 2111 q->mem_ops = &vb2_dma_sg_memops; 2112 q->buf_struct_size = sizeof(struct saa7134_buf); 2113 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2114 q->lock = &dev->lock; 2115 ret = vb2_queue_init(q); 2116 if (ret) 2117 return ret; 2118 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); 2119 2120 return 0; 2121 } 2122 2123 void saa7134_video_fini(struct saa7134_dev *dev) 2124 { 2125 /* free stuff */ 2126 vb2_queue_release(&dev->video_vbq); 2127 saa7134_pgtable_free(dev->pci, &dev->video_q.pt); 2128 vb2_queue_release(&dev->vbi_vbq); 2129 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); 2130 v4l2_ctrl_handler_free(&dev->ctrl_handler); 2131 if (card_has_radio(dev)) 2132 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 2133 } 2134 2135 int saa7134_videoport_init(struct saa7134_dev *dev) 2136 { 2137 /* enable video output */ 2138 int vo = saa7134_boards[dev->board].video_out; 2139 int video_reg; 2140 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2141 2142 /* Configure videoport */ 2143 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2144 video_reg = video_out[vo][1]; 2145 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2146 video_reg &= ~VP_T_CODE_P_INVERTED; 2147 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2148 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2149 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2150 video_reg = video_out[vo][5]; 2151 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2152 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2153 if (vid_port_opts & SET_CLOCK_INVERTED) 2154 video_reg |= VP_CLK_CTRL1_INVERTED; 2155 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2156 video_reg = video_out[vo][6]; 2157 if (vid_port_opts & SET_VSYNC_OFF) { 2158 video_reg &= ~VP_VS_TYPE_MASK; 2159 video_reg |= VP_VS_TYPE_OFF; 2160 } 2161 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2162 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2163 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2164 2165 /* Start videoport */ 2166 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2167 2168 return 0; 2169 } 2170 2171 int saa7134_video_init2(struct saa7134_dev *dev) 2172 { 2173 /* init video hw */ 2174 set_tvnorm(dev,&tvnorms[0]); 2175 video_mux(dev,0); 2176 v4l2_ctrl_handler_setup(&dev->ctrl_handler); 2177 saa7134_tvaudio_setmute(dev); 2178 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2179 return 0; 2180 } 2181 2182 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2183 { 2184 static const char *st[] = { 2185 "(no signal)", "NTSC", "PAL", "SECAM" }; 2186 u32 st1,st2; 2187 2188 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2189 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2190 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n", 2191 (st1 & 0x40) ? "not locked" : "locked", 2192 (st2 & 0x40) ? "no" : "yes", 2193 st[st1 & 0x03]); 2194 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2195 2196 if (dev->nosignal) { 2197 /* no video signal -> mute audio */ 2198 if (dev->ctl_automute) 2199 dev->automute = 1; 2200 saa7134_tvaudio_setmute(dev); 2201 } else { 2202 /* wake up tvaudio audio carrier scan thread */ 2203 saa7134_tvaudio_do_scan(dev); 2204 } 2205 2206 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2207 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2208 else 2209 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2210 2211 if (dev->mops && dev->mops->signal_change) 2212 dev->mops->signal_change(dev); 2213 } 2214 2215 2216 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2217 { 2218 enum v4l2_field field; 2219 2220 spin_lock(&dev->slock); 2221 if (dev->video_q.curr) { 2222 field = dev->field; 2223 if (V4L2_FIELD_HAS_BOTH(field)) { 2224 /* make sure we have seen both fields */ 2225 if ((status & 0x10) == 0x00) { 2226 dev->video_q.curr->top_seen = 1; 2227 goto done; 2228 } 2229 if (!dev->video_q.curr->top_seen) 2230 goto done; 2231 } else if (field == V4L2_FIELD_TOP) { 2232 if ((status & 0x10) != 0x10) 2233 goto done; 2234 } else if (field == V4L2_FIELD_BOTTOM) { 2235 if ((status & 0x10) != 0x00) 2236 goto done; 2237 } 2238 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); 2239 } 2240 saa7134_buffer_next(dev, &dev->video_q); 2241 2242 done: 2243 spin_unlock(&dev->slock); 2244 } 2245