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/i2c/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_buf.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 vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 876 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 877 878 dmaq->curr = NULL; 879 buf->activate = buffer_activate; 880 return 0; 881 } 882 883 static int buffer_prepare(struct vb2_buffer *vb2) 884 { 885 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 886 struct saa7134_dev *dev = dmaq->dev; 887 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 888 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 889 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0); 890 unsigned int size; 891 892 if (dma->sgl->offset) { 893 pr_err("The buffer is not page-aligned\n"); 894 return -EINVAL; 895 } 896 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 897 if (vb2_plane_size(vb2, 0) < size) 898 return -EINVAL; 899 900 vb2_set_plane_payload(vb2, 0, size); 901 vbuf->field = dev->field; 902 903 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, 904 saa7134_buffer_startpage(buf)); 905 } 906 907 static int queue_setup(struct vb2_queue *q, 908 unsigned int *nbuffers, unsigned int *nplanes, 909 unsigned int sizes[], void *alloc_ctxs[]) 910 { 911 struct saa7134_dmaqueue *dmaq = q->drv_priv; 912 struct saa7134_dev *dev = dmaq->dev; 913 int size = dev->fmt->depth * dev->width * dev->height >> 3; 914 915 if (dev->width < 48 || 916 dev->height < 32 || 917 dev->width/4 > dev->crop_current.width || 918 dev->height/4 > dev->crop_current.height || 919 dev->width > dev->crop_bounds.width || 920 dev->height > dev->crop_bounds.height) 921 return -EINVAL; 922 923 *nbuffers = saa7134_buffer_count(size, *nbuffers); 924 *nplanes = 1; 925 sizes[0] = size; 926 alloc_ctxs[0] = dev->alloc_ctx; 927 return 0; 928 } 929 930 /* 931 * move buffer to hardware queue 932 */ 933 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) 934 { 935 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; 936 struct saa7134_dev *dev = dmaq->dev; 937 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 938 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 939 940 saa7134_buffer_queue(dev, dmaq, buf); 941 } 942 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); 943 944 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) 945 { 946 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 947 struct saa7134_dev *dev = dmaq->dev; 948 949 /* 950 * Planar video capture and TS share the same DMA channel, 951 * so only one can be active at a time. 952 */ 953 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && 954 dmaq == &dev->video_q && dev->fmt->planar) { 955 struct saa7134_buf *buf, *tmp; 956 957 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { 958 list_del(&buf->entry); 959 vb2_buffer_done(&buf->vb2.vb2_buf, 960 VB2_BUF_STATE_QUEUED); 961 } 962 if (dmaq->curr) { 963 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf, 964 VB2_BUF_STATE_QUEUED); 965 dmaq->curr = NULL; 966 } 967 return -EBUSY; 968 } 969 970 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 971 * configured conservatively, there's 22 usec of buffering for video. 972 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 973 * margin in case the FIFO is configured differently to the datasheet. 974 * Unfortunately, I lack register-level documentation to check the 975 * Linux FIFO setup and confirm the perfect value. 976 */ 977 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 978 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 979 pm_qos_add_request(&dev->qos_request, 980 PM_QOS_CPU_DMA_LATENCY, 20); 981 dmaq->seq_nr = 0; 982 983 return 0; 984 } 985 986 void saa7134_vb2_stop_streaming(struct vb2_queue *vq) 987 { 988 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 989 struct saa7134_dev *dev = dmaq->dev; 990 991 saa7134_stop_streaming(dev, dmaq); 992 993 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 994 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 995 pm_qos_remove_request(&dev->qos_request); 996 } 997 998 static struct vb2_ops vb2_qops = { 999 .queue_setup = queue_setup, 1000 .buf_init = buffer_init, 1001 .buf_prepare = buffer_prepare, 1002 .buf_queue = saa7134_vb2_buffer_queue, 1003 .wait_prepare = vb2_ops_wait_prepare, 1004 .wait_finish = vb2_ops_wait_finish, 1005 .start_streaming = saa7134_vb2_start_streaming, 1006 .stop_streaming = saa7134_vb2_stop_streaming, 1007 }; 1008 1009 /* ------------------------------------------------------------------ */ 1010 1011 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) 1012 { 1013 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); 1014 unsigned long flags; 1015 int restart_overlay = 0; 1016 1017 switch (ctrl->id) { 1018 case V4L2_CID_BRIGHTNESS: 1019 dev->ctl_bright = ctrl->val; 1020 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); 1021 break; 1022 case V4L2_CID_HUE: 1023 dev->ctl_hue = ctrl->val; 1024 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); 1025 break; 1026 case V4L2_CID_CONTRAST: 1027 dev->ctl_contrast = ctrl->val; 1028 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1029 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1030 break; 1031 case V4L2_CID_SATURATION: 1032 dev->ctl_saturation = ctrl->val; 1033 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1034 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1035 break; 1036 case V4L2_CID_AUDIO_MUTE: 1037 dev->ctl_mute = ctrl->val; 1038 saa7134_tvaudio_setmute(dev); 1039 break; 1040 case V4L2_CID_AUDIO_VOLUME: 1041 dev->ctl_volume = ctrl->val; 1042 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1043 break; 1044 case V4L2_CID_PRIVATE_INVERT: 1045 dev->ctl_invert = ctrl->val; 1046 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1047 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1048 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1049 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1050 break; 1051 case V4L2_CID_HFLIP: 1052 dev->ctl_mirror = ctrl->val; 1053 restart_overlay = 1; 1054 break; 1055 case V4L2_CID_PRIVATE_Y_EVEN: 1056 dev->ctl_y_even = ctrl->val; 1057 restart_overlay = 1; 1058 break; 1059 case V4L2_CID_PRIVATE_Y_ODD: 1060 dev->ctl_y_odd = ctrl->val; 1061 restart_overlay = 1; 1062 break; 1063 case V4L2_CID_PRIVATE_AUTOMUTE: 1064 { 1065 struct v4l2_priv_tun_config tda9887_cfg; 1066 1067 tda9887_cfg.tuner = TUNER_TDA9887; 1068 tda9887_cfg.priv = &dev->tda9887_conf; 1069 1070 dev->ctl_automute = ctrl->val; 1071 if (dev->tda9887_conf) { 1072 if (dev->ctl_automute) 1073 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1074 else 1075 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1076 1077 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1078 } 1079 break; 1080 } 1081 default: 1082 return -EINVAL; 1083 } 1084 if (restart_overlay && dev->overlay_owner) { 1085 spin_lock_irqsave(&dev->slock, flags); 1086 stop_preview(dev); 1087 start_preview(dev); 1088 spin_unlock_irqrestore(&dev->slock, flags); 1089 } 1090 return 0; 1091 } 1092 1093 /* ------------------------------------------------------------------ */ 1094 1095 static int video_open(struct file *file) 1096 { 1097 struct video_device *vdev = video_devdata(file); 1098 struct saa7134_dev *dev = video_drvdata(file); 1099 int ret = v4l2_fh_open(file); 1100 1101 if (ret < 0) 1102 return ret; 1103 1104 mutex_lock(&dev->lock); 1105 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1106 /* switch to radio mode */ 1107 saa7134_tvaudio_setinput(dev, &card(dev).radio); 1108 saa_call_all(dev, tuner, s_radio); 1109 } else { 1110 /* switch to video/vbi mode */ 1111 video_mux(dev, dev->ctl_input); 1112 } 1113 mutex_unlock(&dev->lock); 1114 1115 return 0; 1116 } 1117 1118 static int video_release(struct file *file) 1119 { 1120 struct video_device *vdev = video_devdata(file); 1121 struct saa7134_dev *dev = video_drvdata(file); 1122 struct v4l2_fh *fh = file->private_data; 1123 struct saa6588_command cmd; 1124 unsigned long flags; 1125 1126 mutex_lock(&dev->lock); 1127 saa7134_tvaudio_close(dev); 1128 1129 /* turn off overlay */ 1130 if (fh == dev->overlay_owner) { 1131 spin_lock_irqsave(&dev->slock,flags); 1132 stop_preview(dev); 1133 spin_unlock_irqrestore(&dev->slock,flags); 1134 dev->overlay_owner = NULL; 1135 } 1136 1137 if (vdev->vfl_type == VFL_TYPE_RADIO) 1138 v4l2_fh_release(file); 1139 else 1140 _vb2_fop_release(file, NULL); 1141 1142 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1143 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1144 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1145 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1146 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1147 1148 saa_call_all(dev, core, s_power, 0); 1149 if (vdev->vfl_type == VFL_TYPE_RADIO) 1150 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1151 mutex_unlock(&dev->lock); 1152 1153 return 0; 1154 } 1155 1156 static ssize_t radio_read(struct file *file, char __user *data, 1157 size_t count, loff_t *ppos) 1158 { 1159 struct saa7134_dev *dev = video_drvdata(file); 1160 struct saa6588_command cmd; 1161 1162 cmd.block_count = count/3; 1163 cmd.nonblocking = file->f_flags & O_NONBLOCK; 1164 cmd.buffer = data; 1165 cmd.instance = file; 1166 cmd.result = -ENODEV; 1167 1168 mutex_lock(&dev->lock); 1169 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1170 mutex_unlock(&dev->lock); 1171 1172 return cmd.result; 1173 } 1174 1175 static unsigned int radio_poll(struct file *file, poll_table *wait) 1176 { 1177 struct saa7134_dev *dev = video_drvdata(file); 1178 struct saa6588_command cmd; 1179 unsigned int rc = v4l2_ctrl_poll(file, wait); 1180 1181 cmd.instance = file; 1182 cmd.event_list = wait; 1183 cmd.result = 0; 1184 mutex_lock(&dev->lock); 1185 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1186 mutex_unlock(&dev->lock); 1187 1188 return rc | cmd.result; 1189 } 1190 1191 /* ------------------------------------------------------------------ */ 1192 1193 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1194 struct v4l2_format *f) 1195 { 1196 struct saa7134_dev *dev = video_drvdata(file); 1197 struct saa7134_tvnorm *norm = dev->tvnorm; 1198 1199 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1200 f->fmt.vbi.sampling_rate = 6750000 * 4; 1201 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1202 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1203 f->fmt.vbi.offset = 64 * 4; 1204 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1205 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1206 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1207 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1208 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1209 1210 return 0; 1211 } 1212 1213 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1214 struct v4l2_format *f) 1215 { 1216 struct saa7134_dev *dev = video_drvdata(file); 1217 1218 f->fmt.pix.width = dev->width; 1219 f->fmt.pix.height = dev->height; 1220 f->fmt.pix.field = dev->field; 1221 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1222 f->fmt.pix.bytesperline = 1223 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1224 f->fmt.pix.sizeimage = 1225 f->fmt.pix.height * f->fmt.pix.bytesperline; 1226 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1227 return 0; 1228 } 1229 1230 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1231 struct v4l2_format *f) 1232 { 1233 struct saa7134_dev *dev = video_drvdata(file); 1234 struct v4l2_clip __user *clips = f->fmt.win.clips; 1235 u32 clipcount = f->fmt.win.clipcount; 1236 int err = 0; 1237 int i; 1238 1239 if (saa7134_no_overlay > 0) { 1240 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1241 return -EINVAL; 1242 } 1243 f->fmt.win = dev->win; 1244 f->fmt.win.clips = clips; 1245 if (clips == NULL) 1246 clipcount = 0; 1247 if (dev->nclips < clipcount) 1248 clipcount = dev->nclips; 1249 f->fmt.win.clipcount = clipcount; 1250 1251 for (i = 0; !err && i < clipcount; i++) { 1252 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1253 sizeof(struct v4l2_rect))) 1254 err = -EFAULT; 1255 } 1256 1257 return err; 1258 } 1259 1260 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1261 struct v4l2_format *f) 1262 { 1263 struct saa7134_dev *dev = video_drvdata(file); 1264 struct saa7134_format *fmt; 1265 enum v4l2_field field; 1266 unsigned int maxw, maxh; 1267 1268 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1269 if (NULL == fmt) 1270 return -EINVAL; 1271 1272 field = f->fmt.pix.field; 1273 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1274 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1275 1276 if (V4L2_FIELD_ANY == field) { 1277 field = (f->fmt.pix.height > maxh/2) 1278 ? V4L2_FIELD_INTERLACED 1279 : V4L2_FIELD_BOTTOM; 1280 } 1281 switch (field) { 1282 case V4L2_FIELD_TOP: 1283 case V4L2_FIELD_BOTTOM: 1284 maxh = maxh / 2; 1285 break; 1286 default: 1287 field = V4L2_FIELD_INTERLACED; 1288 break; 1289 } 1290 1291 f->fmt.pix.field = field; 1292 if (f->fmt.pix.width < 48) 1293 f->fmt.pix.width = 48; 1294 if (f->fmt.pix.height < 32) 1295 f->fmt.pix.height = 32; 1296 if (f->fmt.pix.width > maxw) 1297 f->fmt.pix.width = maxw; 1298 if (f->fmt.pix.height > maxh) 1299 f->fmt.pix.height = maxh; 1300 f->fmt.pix.width &= ~0x03; 1301 f->fmt.pix.bytesperline = 1302 (f->fmt.pix.width * fmt->depth) >> 3; 1303 f->fmt.pix.sizeimage = 1304 f->fmt.pix.height * f->fmt.pix.bytesperline; 1305 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1306 1307 return 0; 1308 } 1309 1310 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1311 struct v4l2_format *f) 1312 { 1313 struct saa7134_dev *dev = video_drvdata(file); 1314 1315 if (saa7134_no_overlay > 0) { 1316 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1317 return -EINVAL; 1318 } 1319 1320 if (f->fmt.win.clips == NULL) 1321 f->fmt.win.clipcount = 0; 1322 return verify_preview(dev, &f->fmt.win, true); 1323 } 1324 1325 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1326 struct v4l2_format *f) 1327 { 1328 struct saa7134_dev *dev = video_drvdata(file); 1329 int err; 1330 1331 err = saa7134_try_fmt_vid_cap(file, priv, f); 1332 if (0 != err) 1333 return err; 1334 1335 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1336 dev->width = f->fmt.pix.width; 1337 dev->height = f->fmt.pix.height; 1338 dev->field = f->fmt.pix.field; 1339 return 0; 1340 } 1341 1342 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1343 struct v4l2_format *f) 1344 { 1345 struct saa7134_dev *dev = video_drvdata(file); 1346 int err; 1347 unsigned long flags; 1348 1349 if (saa7134_no_overlay > 0) { 1350 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1351 return -EINVAL; 1352 } 1353 if (f->fmt.win.clips == NULL) 1354 f->fmt.win.clipcount = 0; 1355 err = verify_preview(dev, &f->fmt.win, true); 1356 if (0 != err) 1357 return err; 1358 1359 dev->win = f->fmt.win; 1360 dev->nclips = f->fmt.win.clipcount; 1361 1362 if (copy_from_user(dev->clips, f->fmt.win.clips, 1363 sizeof(struct v4l2_clip) * dev->nclips)) 1364 return -EFAULT; 1365 1366 if (priv == dev->overlay_owner) { 1367 spin_lock_irqsave(&dev->slock, flags); 1368 stop_preview(dev); 1369 start_preview(dev); 1370 spin_unlock_irqrestore(&dev->slock, flags); 1371 } 1372 1373 return 0; 1374 } 1375 1376 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1377 { 1378 struct saa7134_dev *dev = video_drvdata(file); 1379 unsigned int n; 1380 1381 n = i->index; 1382 if (n >= SAA7134_INPUT_MAX) 1383 return -EINVAL; 1384 if (NULL == card_in(dev, i->index).name) 1385 return -EINVAL; 1386 i->index = n; 1387 i->type = V4L2_INPUT_TYPE_CAMERA; 1388 strcpy(i->name, card_in(dev, n).name); 1389 if (card_in(dev, n).tv) 1390 i->type = V4L2_INPUT_TYPE_TUNER; 1391 if (n == dev->ctl_input) { 1392 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1393 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1394 1395 if (0 != (v1 & 0x40)) 1396 i->status |= V4L2_IN_ST_NO_H_LOCK; 1397 if (0 != (v2 & 0x40)) 1398 i->status |= V4L2_IN_ST_NO_SIGNAL; 1399 if (0 != (v2 & 0x0e)) 1400 i->status |= V4L2_IN_ST_MACROVISION; 1401 } 1402 i->std = SAA7134_NORMS; 1403 return 0; 1404 } 1405 EXPORT_SYMBOL_GPL(saa7134_enum_input); 1406 1407 int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1408 { 1409 struct saa7134_dev *dev = video_drvdata(file); 1410 1411 *i = dev->ctl_input; 1412 return 0; 1413 } 1414 EXPORT_SYMBOL_GPL(saa7134_g_input); 1415 1416 int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1417 { 1418 struct saa7134_dev *dev = video_drvdata(file); 1419 1420 if (i >= SAA7134_INPUT_MAX) 1421 return -EINVAL; 1422 if (NULL == card_in(dev, i).name) 1423 return -EINVAL; 1424 video_mux(dev, i); 1425 return 0; 1426 } 1427 EXPORT_SYMBOL_GPL(saa7134_s_input); 1428 1429 int saa7134_querycap(struct file *file, void *priv, 1430 struct v4l2_capability *cap) 1431 { 1432 struct saa7134_dev *dev = video_drvdata(file); 1433 struct video_device *vdev = video_devdata(file); 1434 u32 radio_caps, video_caps, vbi_caps; 1435 1436 unsigned int tuner_type = dev->tuner_type; 1437 1438 strcpy(cap->driver, "saa7134"); 1439 strlcpy(cap->card, saa7134_boards[dev->board].name, 1440 sizeof(cap->card)); 1441 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1442 1443 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1444 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1445 cap->device_caps |= V4L2_CAP_TUNER; 1446 1447 radio_caps = V4L2_CAP_RADIO; 1448 if (dev->has_rds) 1449 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1450 1451 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1452 if (saa7134_no_overlay <= 0 && !is_empress(file)) 1453 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1454 1455 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1456 1457 switch (vdev->vfl_type) { 1458 case VFL_TYPE_RADIO: 1459 cap->device_caps |= radio_caps; 1460 break; 1461 case VFL_TYPE_GRABBER: 1462 cap->device_caps |= video_caps; 1463 break; 1464 case VFL_TYPE_VBI: 1465 cap->device_caps |= vbi_caps; 1466 break; 1467 } 1468 cap->capabilities = radio_caps | video_caps | vbi_caps | 1469 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1470 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1471 cap->device_caps &= ~V4L2_CAP_STREAMING; 1472 if (!dev->has_rds) 1473 cap->device_caps &= ~V4L2_CAP_READWRITE; 1474 } 1475 1476 return 0; 1477 } 1478 EXPORT_SYMBOL_GPL(saa7134_querycap); 1479 1480 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1481 { 1482 struct saa7134_dev *dev = video_drvdata(file); 1483 struct v4l2_fh *fh = priv; 1484 unsigned long flags; 1485 unsigned int i; 1486 v4l2_std_id fixup; 1487 1488 if (is_empress(file) && dev->overlay_owner) { 1489 /* Don't change the std from the mpeg device 1490 if overlay is active. */ 1491 return -EBUSY; 1492 } 1493 1494 for (i = 0; i < TVNORMS; i++) 1495 if (id == tvnorms[i].id) 1496 break; 1497 1498 if (i == TVNORMS) 1499 for (i = 0; i < TVNORMS; i++) 1500 if (id & tvnorms[i].id) 1501 break; 1502 if (i == TVNORMS) 1503 return -EINVAL; 1504 1505 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1506 if (secam[0] == 'L' || secam[0] == 'l') { 1507 if (secam[1] == 'C' || secam[1] == 'c') 1508 fixup = V4L2_STD_SECAM_LC; 1509 else 1510 fixup = V4L2_STD_SECAM_L; 1511 } else { 1512 if (secam[0] == 'D' || secam[0] == 'd') 1513 fixup = V4L2_STD_SECAM_DK; 1514 else 1515 fixup = V4L2_STD_SECAM; 1516 } 1517 for (i = 0; i < TVNORMS; i++) { 1518 if (fixup == tvnorms[i].id) 1519 break; 1520 } 1521 if (i == TVNORMS) 1522 return -EINVAL; 1523 } 1524 1525 id = tvnorms[i].id; 1526 1527 if (!is_empress(file) && fh == dev->overlay_owner) { 1528 spin_lock_irqsave(&dev->slock, flags); 1529 stop_preview(dev); 1530 spin_unlock_irqrestore(&dev->slock, flags); 1531 1532 set_tvnorm(dev, &tvnorms[i]); 1533 1534 spin_lock_irqsave(&dev->slock, flags); 1535 start_preview(dev); 1536 spin_unlock_irqrestore(&dev->slock, flags); 1537 } else 1538 set_tvnorm(dev, &tvnorms[i]); 1539 1540 saa7134_tvaudio_do_scan(dev); 1541 return 0; 1542 } 1543 EXPORT_SYMBOL_GPL(saa7134_s_std); 1544 1545 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1546 { 1547 struct saa7134_dev *dev = video_drvdata(file); 1548 1549 *id = dev->tvnorm->id; 1550 return 0; 1551 } 1552 EXPORT_SYMBOL_GPL(saa7134_g_std); 1553 1554 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) 1555 { 1556 static v4l2_std_id stds[] = { 1557 V4L2_STD_UNKNOWN, 1558 V4L2_STD_NTSC, 1559 V4L2_STD_PAL, 1560 V4L2_STD_SECAM }; 1561 1562 v4l2_std_id result = 0; 1563 1564 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1565 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1566 1567 if (!(st2 & 0x1)) /* RDCAP == 0 */ 1568 result = V4L2_STD_UNKNOWN; 1569 else 1570 result = stds[st1 & 0x03]; 1571 1572 return result; 1573 } 1574 1575 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) 1576 { 1577 struct saa7134_dev *dev = video_drvdata(file); 1578 *std &= saa7134_read_std(dev); 1579 return 0; 1580 } 1581 EXPORT_SYMBOL_GPL(saa7134_querystd); 1582 1583 static int saa7134_cropcap(struct file *file, void *priv, 1584 struct v4l2_cropcap *cap) 1585 { 1586 struct saa7134_dev *dev = video_drvdata(file); 1587 1588 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1589 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1590 return -EINVAL; 1591 cap->bounds = dev->crop_bounds; 1592 cap->defrect = dev->crop_defrect; 1593 cap->pixelaspect.numerator = 1; 1594 cap->pixelaspect.denominator = 1; 1595 if (dev->tvnorm->id & V4L2_STD_525_60) { 1596 cap->pixelaspect.numerator = 11; 1597 cap->pixelaspect.denominator = 10; 1598 } 1599 if (dev->tvnorm->id & V4L2_STD_625_50) { 1600 cap->pixelaspect.numerator = 54; 1601 cap->pixelaspect.denominator = 59; 1602 } 1603 return 0; 1604 } 1605 1606 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1607 { 1608 struct saa7134_dev *dev = video_drvdata(file); 1609 1610 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1611 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1612 return -EINVAL; 1613 crop->c = dev->crop_current; 1614 return 0; 1615 } 1616 1617 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1618 { 1619 struct saa7134_dev *dev = video_drvdata(file); 1620 struct v4l2_rect *b = &dev->crop_bounds; 1621 struct v4l2_rect *c = &dev->crop_current; 1622 1623 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1624 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1625 return -EINVAL; 1626 1627 if (dev->overlay_owner) 1628 return -EBUSY; 1629 if (vb2_is_streaming(&dev->video_vbq)) 1630 return -EBUSY; 1631 1632 *c = crop->c; 1633 if (c->top < b->top) 1634 c->top = b->top; 1635 if (c->top > b->top + b->height) 1636 c->top = b->top + b->height; 1637 if (c->height > b->top - c->top + b->height) 1638 c->height = b->top - c->top + b->height; 1639 1640 if (c->left < b->left) 1641 c->left = b->left; 1642 if (c->left > b->left + b->width) 1643 c->left = b->left + b->width; 1644 if (c->width > b->left - c->left + b->width) 1645 c->width = b->left - c->left + b->width; 1646 return 0; 1647 } 1648 1649 int saa7134_g_tuner(struct file *file, void *priv, 1650 struct v4l2_tuner *t) 1651 { 1652 struct saa7134_dev *dev = video_drvdata(file); 1653 int n; 1654 1655 if (0 != t->index) 1656 return -EINVAL; 1657 memset(t, 0, sizeof(*t)); 1658 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 1659 if (card_in(dev, n).tv) 1660 break; 1661 } 1662 if (n == SAA7134_INPUT_MAX) 1663 return -EINVAL; 1664 if (NULL != card_in(dev, n).name) { 1665 strcpy(t->name, "Television"); 1666 t->type = V4L2_TUNER_ANALOG_TV; 1667 saa_call_all(dev, tuner, g_tuner, t); 1668 t->capability = V4L2_TUNER_CAP_NORM | 1669 V4L2_TUNER_CAP_STEREO | 1670 V4L2_TUNER_CAP_LANG1 | 1671 V4L2_TUNER_CAP_LANG2; 1672 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 1673 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 1674 } 1675 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 1676 t->signal = 0xffff; 1677 return 0; 1678 } 1679 EXPORT_SYMBOL_GPL(saa7134_g_tuner); 1680 1681 int saa7134_s_tuner(struct file *file, void *priv, 1682 const struct v4l2_tuner *t) 1683 { 1684 struct saa7134_dev *dev = video_drvdata(file); 1685 int rx, mode; 1686 1687 if (0 != t->index) 1688 return -EINVAL; 1689 1690 mode = dev->thread.mode; 1691 if (UNSET == mode) { 1692 rx = saa7134_tvaudio_getstereo(dev); 1693 mode = saa7134_tvaudio_rx2mode(rx); 1694 } 1695 if (mode != t->audmode) 1696 dev->thread.mode = t->audmode; 1697 1698 return 0; 1699 } 1700 EXPORT_SYMBOL_GPL(saa7134_s_tuner); 1701 1702 int saa7134_g_frequency(struct file *file, void *priv, 1703 struct v4l2_frequency *f) 1704 { 1705 struct saa7134_dev *dev = video_drvdata(file); 1706 1707 if (0 != f->tuner) 1708 return -EINVAL; 1709 1710 saa_call_all(dev, tuner, g_frequency, f); 1711 1712 return 0; 1713 } 1714 EXPORT_SYMBOL_GPL(saa7134_g_frequency); 1715 1716 int saa7134_s_frequency(struct file *file, void *priv, 1717 const struct v4l2_frequency *f) 1718 { 1719 struct saa7134_dev *dev = video_drvdata(file); 1720 1721 if (0 != f->tuner) 1722 return -EINVAL; 1723 1724 saa_call_all(dev, tuner, s_frequency, f); 1725 1726 saa7134_tvaudio_do_scan(dev); 1727 return 0; 1728 } 1729 EXPORT_SYMBOL_GPL(saa7134_s_frequency); 1730 1731 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 1732 struct v4l2_fmtdesc *f) 1733 { 1734 if (f->index >= FORMATS) 1735 return -EINVAL; 1736 1737 strlcpy(f->description, formats[f->index].name, 1738 sizeof(f->description)); 1739 1740 f->pixelformat = formats[f->index].fourcc; 1741 1742 return 0; 1743 } 1744 1745 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 1746 struct v4l2_fmtdesc *f) 1747 { 1748 if (saa7134_no_overlay > 0) { 1749 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1750 return -EINVAL; 1751 } 1752 1753 if ((f->index >= FORMATS) || formats[f->index].planar) 1754 return -EINVAL; 1755 1756 strlcpy(f->description, formats[f->index].name, 1757 sizeof(f->description)); 1758 1759 f->pixelformat = formats[f->index].fourcc; 1760 1761 return 0; 1762 } 1763 1764 static int saa7134_g_fbuf(struct file *file, void *f, 1765 struct v4l2_framebuffer *fb) 1766 { 1767 struct saa7134_dev *dev = video_drvdata(file); 1768 1769 *fb = dev->ovbuf; 1770 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 1771 1772 return 0; 1773 } 1774 1775 static int saa7134_s_fbuf(struct file *file, void *f, 1776 const struct v4l2_framebuffer *fb) 1777 { 1778 struct saa7134_dev *dev = video_drvdata(file); 1779 struct saa7134_format *fmt; 1780 1781 if (!capable(CAP_SYS_ADMIN) && 1782 !capable(CAP_SYS_RAWIO)) 1783 return -EPERM; 1784 1785 /* check args */ 1786 fmt = format_by_fourcc(fb->fmt.pixelformat); 1787 if (NULL == fmt) 1788 return -EINVAL; 1789 1790 /* ok, accept it */ 1791 dev->ovbuf = *fb; 1792 dev->ovfmt = fmt; 1793 if (0 == dev->ovbuf.fmt.bytesperline) 1794 dev->ovbuf.fmt.bytesperline = 1795 dev->ovbuf.fmt.width*fmt->depth/8; 1796 return 0; 1797 } 1798 1799 static int saa7134_overlay(struct file *file, void *priv, unsigned int on) 1800 { 1801 struct saa7134_dev *dev = video_drvdata(file); 1802 unsigned long flags; 1803 1804 if (on) { 1805 if (saa7134_no_overlay > 0) { 1806 video_dbg("no_overlay\n"); 1807 return -EINVAL; 1808 } 1809 1810 if (dev->overlay_owner && priv != dev->overlay_owner) 1811 return -EBUSY; 1812 dev->overlay_owner = priv; 1813 spin_lock_irqsave(&dev->slock, flags); 1814 start_preview(dev); 1815 spin_unlock_irqrestore(&dev->slock, flags); 1816 } 1817 if (!on) { 1818 if (priv != dev->overlay_owner) 1819 return -EINVAL; 1820 spin_lock_irqsave(&dev->slock, flags); 1821 stop_preview(dev); 1822 spin_unlock_irqrestore(&dev->slock, flags); 1823 dev->overlay_owner = NULL; 1824 } 1825 return 0; 1826 } 1827 1828 #ifdef CONFIG_VIDEO_ADV_DEBUG 1829 static int vidioc_g_register (struct file *file, void *priv, 1830 struct v4l2_dbg_register *reg) 1831 { 1832 struct saa7134_dev *dev = video_drvdata(file); 1833 1834 reg->val = saa_readb(reg->reg & 0xffffff); 1835 reg->size = 1; 1836 return 0; 1837 } 1838 1839 static int vidioc_s_register (struct file *file, void *priv, 1840 const struct v4l2_dbg_register *reg) 1841 { 1842 struct saa7134_dev *dev = video_drvdata(file); 1843 1844 saa_writeb(reg->reg & 0xffffff, reg->val); 1845 return 0; 1846 } 1847 #endif 1848 1849 static int radio_g_tuner(struct file *file, void *priv, 1850 struct v4l2_tuner *t) 1851 { 1852 struct saa7134_dev *dev = video_drvdata(file); 1853 1854 if (0 != t->index) 1855 return -EINVAL; 1856 1857 strcpy(t->name, "Radio"); 1858 1859 saa_call_all(dev, tuner, g_tuner, t); 1860 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 1861 if (dev->input->amux == TV) { 1862 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 1863 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 1864 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 1865 } 1866 return 0; 1867 } 1868 static int radio_s_tuner(struct file *file, void *priv, 1869 const struct v4l2_tuner *t) 1870 { 1871 struct saa7134_dev *dev = video_drvdata(file); 1872 1873 if (0 != t->index) 1874 return -EINVAL; 1875 1876 saa_call_all(dev, tuner, s_tuner, t); 1877 return 0; 1878 } 1879 1880 static const struct v4l2_file_operations video_fops = 1881 { 1882 .owner = THIS_MODULE, 1883 .open = video_open, 1884 .release = video_release, 1885 .read = vb2_fop_read, 1886 .poll = vb2_fop_poll, 1887 .mmap = vb2_fop_mmap, 1888 .unlocked_ioctl = video_ioctl2, 1889 }; 1890 1891 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1892 .vidioc_querycap = saa7134_querycap, 1893 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 1894 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 1895 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 1896 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 1897 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 1898 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 1899 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 1900 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 1901 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1902 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1903 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1904 .vidioc_cropcap = saa7134_cropcap, 1905 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1906 .vidioc_querybuf = vb2_ioctl_querybuf, 1907 .vidioc_qbuf = vb2_ioctl_qbuf, 1908 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1909 .vidioc_s_std = saa7134_s_std, 1910 .vidioc_g_std = saa7134_g_std, 1911 .vidioc_querystd = saa7134_querystd, 1912 .vidioc_enum_input = saa7134_enum_input, 1913 .vidioc_g_input = saa7134_g_input, 1914 .vidioc_s_input = saa7134_s_input, 1915 .vidioc_streamon = vb2_ioctl_streamon, 1916 .vidioc_streamoff = vb2_ioctl_streamoff, 1917 .vidioc_g_tuner = saa7134_g_tuner, 1918 .vidioc_s_tuner = saa7134_s_tuner, 1919 .vidioc_g_crop = saa7134_g_crop, 1920 .vidioc_s_crop = saa7134_s_crop, 1921 .vidioc_g_fbuf = saa7134_g_fbuf, 1922 .vidioc_s_fbuf = saa7134_s_fbuf, 1923 .vidioc_overlay = saa7134_overlay, 1924 .vidioc_g_frequency = saa7134_g_frequency, 1925 .vidioc_s_frequency = saa7134_s_frequency, 1926 #ifdef CONFIG_VIDEO_ADV_DEBUG 1927 .vidioc_g_register = vidioc_g_register, 1928 .vidioc_s_register = vidioc_s_register, 1929 #endif 1930 .vidioc_log_status = v4l2_ctrl_log_status, 1931 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1932 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1933 }; 1934 1935 static const struct v4l2_file_operations radio_fops = { 1936 .owner = THIS_MODULE, 1937 .open = video_open, 1938 .read = radio_read, 1939 .release = video_release, 1940 .unlocked_ioctl = video_ioctl2, 1941 .poll = radio_poll, 1942 }; 1943 1944 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1945 .vidioc_querycap = saa7134_querycap, 1946 .vidioc_g_tuner = radio_g_tuner, 1947 .vidioc_s_tuner = radio_s_tuner, 1948 .vidioc_g_frequency = saa7134_g_frequency, 1949 .vidioc_s_frequency = saa7134_s_frequency, 1950 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1951 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1952 }; 1953 1954 /* ----------------------------------------------------------- */ 1955 /* exported stuff */ 1956 1957 struct video_device saa7134_video_template = { 1958 .name = "saa7134-video", 1959 .fops = &video_fops, 1960 .ioctl_ops = &video_ioctl_ops, 1961 .tvnorms = SAA7134_NORMS, 1962 }; 1963 1964 struct video_device saa7134_radio_template = { 1965 .name = "saa7134-radio", 1966 .fops = &radio_fops, 1967 .ioctl_ops = &radio_ioctl_ops, 1968 }; 1969 1970 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { 1971 .s_ctrl = saa7134_s_ctrl, 1972 }; 1973 1974 static const struct v4l2_ctrl_config saa7134_ctrl_invert = { 1975 .ops = &saa7134_ctrl_ops, 1976 .id = V4L2_CID_PRIVATE_INVERT, 1977 .name = "Invert", 1978 .type = V4L2_CTRL_TYPE_BOOLEAN, 1979 .min = 0, 1980 .max = 1, 1981 .step = 1, 1982 }; 1983 1984 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { 1985 .ops = &saa7134_ctrl_ops, 1986 .id = V4L2_CID_PRIVATE_Y_ODD, 1987 .name = "Y Offset Odd Field", 1988 .type = V4L2_CTRL_TYPE_INTEGER, 1989 .min = 0, 1990 .max = 128, 1991 .step = 1, 1992 }; 1993 1994 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { 1995 .ops = &saa7134_ctrl_ops, 1996 .id = V4L2_CID_PRIVATE_Y_EVEN, 1997 .name = "Y Offset Even Field", 1998 .type = V4L2_CTRL_TYPE_INTEGER, 1999 .min = 0, 2000 .max = 128, 2001 .step = 1, 2002 }; 2003 2004 static const struct v4l2_ctrl_config saa7134_ctrl_automute = { 2005 .ops = &saa7134_ctrl_ops, 2006 .id = V4L2_CID_PRIVATE_AUTOMUTE, 2007 .name = "Automute", 2008 .type = V4L2_CTRL_TYPE_BOOLEAN, 2009 .min = 0, 2010 .max = 1, 2011 .step = 1, 2012 .def = 1, 2013 }; 2014 2015 int saa7134_video_init1(struct saa7134_dev *dev) 2016 { 2017 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; 2018 struct vb2_queue *q; 2019 int ret; 2020 2021 /* sanitycheck insmod options */ 2022 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2023 gbuffers = 2; 2024 if (gbufsize > gbufsize_max) 2025 gbufsize = gbufsize_max; 2026 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2027 2028 v4l2_ctrl_handler_init(hdl, 11); 2029 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2030 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 2031 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2032 V4L2_CID_CONTRAST, 0, 127, 1, 68); 2033 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2034 V4L2_CID_SATURATION, 0, 127, 1, 64); 2035 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2036 V4L2_CID_HUE, -128, 127, 1, 0); 2037 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2038 V4L2_CID_HFLIP, 0, 1, 1, 0); 2039 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2040 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); 2041 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2042 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); 2043 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); 2044 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); 2045 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); 2046 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); 2047 if (hdl->error) 2048 return hdl->error; 2049 if (card_has_radio(dev)) { 2050 hdl = &dev->radio_ctrl_handler; 2051 v4l2_ctrl_handler_init(hdl, 2); 2052 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, 2053 v4l2_ctrl_radio_filter); 2054 if (hdl->error) 2055 return hdl->error; 2056 } 2057 dev->ctl_mute = 1; 2058 2059 if (dev->tda9887_conf && saa7134_ctrl_automute.def) 2060 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2061 dev->automute = 0; 2062 2063 INIT_LIST_HEAD(&dev->video_q.queue); 2064 init_timer(&dev->video_q.timeout); 2065 dev->video_q.timeout.function = saa7134_buffer_timeout; 2066 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2067 dev->video_q.dev = dev; 2068 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2069 dev->width = 720; 2070 dev->height = 576; 2071 dev->field = V4L2_FIELD_INTERLACED; 2072 dev->win.w.width = dev->width; 2073 dev->win.w.height = dev->height; 2074 dev->win.field = V4L2_FIELD_INTERLACED; 2075 dev->ovbuf.fmt.width = dev->width; 2076 dev->ovbuf.fmt.height = dev->height; 2077 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2078 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2079 2080 if (saa7134_boards[dev->board].video_out) 2081 saa7134_videoport_init(dev); 2082 2083 q = &dev->video_vbq; 2084 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2085 /* 2086 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA 2087 * engine cannot handle transfers that do not start at the beginning 2088 * of a page. A user-provided pointer can start anywhere in a page, so 2089 * USERPTR support is a no-go unless the application knows about these 2090 * limitations and has special support for this. 2091 */ 2092 q->io_modes = VB2_MMAP | VB2_READ; 2093 if (saa7134_userptr) 2094 q->io_modes |= VB2_USERPTR; 2095 q->drv_priv = &dev->video_q; 2096 q->ops = &vb2_qops; 2097 q->gfp_flags = GFP_DMA32; 2098 q->mem_ops = &vb2_dma_sg_memops; 2099 q->buf_struct_size = sizeof(struct saa7134_buf); 2100 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2101 q->lock = &dev->lock; 2102 ret = vb2_queue_init(q); 2103 if (ret) 2104 return ret; 2105 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); 2106 2107 q = &dev->vbi_vbq; 2108 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 2109 /* Don't add VB2_USERPTR, see comment above */ 2110 q->io_modes = VB2_MMAP | VB2_READ; 2111 if (saa7134_userptr) 2112 q->io_modes |= VB2_USERPTR; 2113 q->drv_priv = &dev->vbi_q; 2114 q->ops = &saa7134_vbi_qops; 2115 q->gfp_flags = GFP_DMA32; 2116 q->mem_ops = &vb2_dma_sg_memops; 2117 q->buf_struct_size = sizeof(struct saa7134_buf); 2118 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2119 q->lock = &dev->lock; 2120 ret = vb2_queue_init(q); 2121 if (ret) 2122 return ret; 2123 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); 2124 2125 return 0; 2126 } 2127 2128 void saa7134_video_fini(struct saa7134_dev *dev) 2129 { 2130 /* free stuff */ 2131 vb2_queue_release(&dev->video_vbq); 2132 saa7134_pgtable_free(dev->pci, &dev->video_q.pt); 2133 vb2_queue_release(&dev->vbi_vbq); 2134 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); 2135 v4l2_ctrl_handler_free(&dev->ctrl_handler); 2136 if (card_has_radio(dev)) 2137 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 2138 } 2139 2140 int saa7134_videoport_init(struct saa7134_dev *dev) 2141 { 2142 /* enable video output */ 2143 int vo = saa7134_boards[dev->board].video_out; 2144 int video_reg; 2145 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2146 2147 /* Configure videoport */ 2148 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2149 video_reg = video_out[vo][1]; 2150 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2151 video_reg &= ~VP_T_CODE_P_INVERTED; 2152 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2153 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2154 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2155 video_reg = video_out[vo][5]; 2156 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2157 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2158 if (vid_port_opts & SET_CLOCK_INVERTED) 2159 video_reg |= VP_CLK_CTRL1_INVERTED; 2160 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2161 video_reg = video_out[vo][6]; 2162 if (vid_port_opts & SET_VSYNC_OFF) { 2163 video_reg &= ~VP_VS_TYPE_MASK; 2164 video_reg |= VP_VS_TYPE_OFF; 2165 } 2166 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2167 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2168 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2169 2170 /* Start videoport */ 2171 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2172 2173 return 0; 2174 } 2175 2176 int saa7134_video_init2(struct saa7134_dev *dev) 2177 { 2178 /* init video hw */ 2179 set_tvnorm(dev,&tvnorms[0]); 2180 video_mux(dev,0); 2181 v4l2_ctrl_handler_setup(&dev->ctrl_handler); 2182 saa7134_tvaudio_setmute(dev); 2183 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2184 return 0; 2185 } 2186 2187 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2188 { 2189 static const char *st[] = { 2190 "(no signal)", "NTSC", "PAL", "SECAM" }; 2191 u32 st1,st2; 2192 2193 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2194 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2195 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n", 2196 (st1 & 0x40) ? "not locked" : "locked", 2197 (st2 & 0x40) ? "no" : "yes", 2198 st[st1 & 0x03]); 2199 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2200 2201 if (dev->nosignal) { 2202 /* no video signal -> mute audio */ 2203 if (dev->ctl_automute) 2204 dev->automute = 1; 2205 saa7134_tvaudio_setmute(dev); 2206 } else { 2207 /* wake up tvaudio audio carrier scan thread */ 2208 saa7134_tvaudio_do_scan(dev); 2209 } 2210 2211 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2212 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2213 else 2214 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2215 2216 if (dev->mops && dev->mops->signal_change) 2217 dev->mops->signal_change(dev); 2218 } 2219 2220 2221 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2222 { 2223 enum v4l2_field field; 2224 2225 spin_lock(&dev->slock); 2226 if (dev->video_q.curr) { 2227 field = dev->field; 2228 if (V4L2_FIELD_HAS_BOTH(field)) { 2229 /* make sure we have seen both fields */ 2230 if ((status & 0x10) == 0x00) { 2231 dev->video_q.curr->top_seen = 1; 2232 goto done; 2233 } 2234 if (!dev->video_q.curr->top_seen) 2235 goto done; 2236 } else if (field == V4L2_FIELD_TOP) { 2237 if ((status & 0x10) != 0x10) 2238 goto done; 2239 } else if (field == V4L2_FIELD_BOTTOM) { 2240 if ((status & 0x10) != 0x00) 2241 goto done; 2242 } 2243 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); 2244 } 2245 saa7134_buffer_next(dev, &dev->video_q); 2246 2247 done: 2248 spin_unlock(&dev->slock); 2249 } 2250