1 /* 2 * 3 * device driver for philips saa7134 based TV cards 4 * video4linux video interface 5 * 6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 #include <linux/init.h> 24 #include <linux/list.h> 25 #include <linux/module.h> 26 #include <linux/kernel.h> 27 #include <linux/slab.h> 28 #include <linux/sort.h> 29 30 #include <media/v4l2-common.h> 31 #include <media/v4l2-event.h> 32 #include <media/saa6588.h> 33 34 #include "saa7134-reg.h" 35 #include "saa7134.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 dprintk(fmt, arg...) if (video_debug&0x04) \ 56 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) 57 58 /* ------------------------------------------------------------------ */ 59 /* Defines for Video Output Port Register at address 0x191 */ 60 61 /* Bit 0: VIP code T bit polarity */ 62 63 #define VP_T_CODE_P_NON_INVERTED 0x00 64 #define VP_T_CODE_P_INVERTED 0x01 65 66 /* ------------------------------------------------------------------ */ 67 /* Defines for Video Output Port Register at address 0x195 */ 68 69 /* Bit 2: Video output clock delay control */ 70 71 #define VP_CLK_CTRL2_NOT_DELAYED 0x00 72 #define VP_CLK_CTRL2_DELAYED 0x04 73 74 /* Bit 1: Video output clock invert control */ 75 76 #define VP_CLK_CTRL1_NON_INVERTED 0x00 77 #define VP_CLK_CTRL1_INVERTED 0x02 78 79 /* ------------------------------------------------------------------ */ 80 /* Defines for Video Output Port Register at address 0x196 */ 81 82 /* Bits 2 to 0: VSYNC pin video vertical sync type */ 83 84 #define VP_VS_TYPE_MASK 0x07 85 86 #define VP_VS_TYPE_OFF 0x00 87 #define VP_VS_TYPE_V123 0x01 88 #define VP_VS_TYPE_V_ITU 0x02 89 #define VP_VS_TYPE_VGATE_L 0x03 90 #define VP_VS_TYPE_RESERVED1 0x04 91 #define VP_VS_TYPE_RESERVED2 0x05 92 #define VP_VS_TYPE_F_ITU 0x06 93 #define VP_VS_TYPE_SC_FID 0x07 94 95 /* ------------------------------------------------------------------ */ 96 /* data structs for video */ 97 98 static int video_out[][9] = { 99 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, 100 }; 101 102 static struct saa7134_format formats[] = { 103 { 104 .name = "8 bpp gray", 105 .fourcc = V4L2_PIX_FMT_GREY, 106 .depth = 8, 107 .pm = 0x06, 108 },{ 109 .name = "15 bpp RGB, le", 110 .fourcc = V4L2_PIX_FMT_RGB555, 111 .depth = 16, 112 .pm = 0x13 | 0x80, 113 },{ 114 .name = "15 bpp RGB, be", 115 .fourcc = V4L2_PIX_FMT_RGB555X, 116 .depth = 16, 117 .pm = 0x13 | 0x80, 118 .bswap = 1, 119 },{ 120 .name = "16 bpp RGB, le", 121 .fourcc = V4L2_PIX_FMT_RGB565, 122 .depth = 16, 123 .pm = 0x10 | 0x80, 124 },{ 125 .name = "16 bpp RGB, be", 126 .fourcc = V4L2_PIX_FMT_RGB565X, 127 .depth = 16, 128 .pm = 0x10 | 0x80, 129 .bswap = 1, 130 },{ 131 .name = "24 bpp RGB, le", 132 .fourcc = V4L2_PIX_FMT_BGR24, 133 .depth = 24, 134 .pm = 0x11, 135 },{ 136 .name = "24 bpp RGB, be", 137 .fourcc = V4L2_PIX_FMT_RGB24, 138 .depth = 24, 139 .pm = 0x11, 140 .bswap = 1, 141 },{ 142 .name = "32 bpp RGB, le", 143 .fourcc = V4L2_PIX_FMT_BGR32, 144 .depth = 32, 145 .pm = 0x12, 146 },{ 147 .name = "32 bpp RGB, be", 148 .fourcc = V4L2_PIX_FMT_RGB32, 149 .depth = 32, 150 .pm = 0x12, 151 .bswap = 1, 152 .wswap = 1, 153 },{ 154 .name = "4:2:2 packed, YUYV", 155 .fourcc = V4L2_PIX_FMT_YUYV, 156 .depth = 16, 157 .pm = 0x00, 158 .bswap = 1, 159 .yuv = 1, 160 },{ 161 .name = "4:2:2 packed, UYVY", 162 .fourcc = V4L2_PIX_FMT_UYVY, 163 .depth = 16, 164 .pm = 0x00, 165 .yuv = 1, 166 },{ 167 .name = "4:2:2 planar, Y-Cb-Cr", 168 .fourcc = V4L2_PIX_FMT_YUV422P, 169 .depth = 16, 170 .pm = 0x09, 171 .yuv = 1, 172 .planar = 1, 173 .hshift = 1, 174 .vshift = 0, 175 },{ 176 .name = "4:2:0 planar, Y-Cb-Cr", 177 .fourcc = V4L2_PIX_FMT_YUV420, 178 .depth = 12, 179 .pm = 0x0a, 180 .yuv = 1, 181 .planar = 1, 182 .hshift = 1, 183 .vshift = 1, 184 },{ 185 .name = "4:2:0 planar, Y-Cb-Cr", 186 .fourcc = V4L2_PIX_FMT_YVU420, 187 .depth = 12, 188 .pm = 0x0a, 189 .yuv = 1, 190 .planar = 1, 191 .uvswap = 1, 192 .hshift = 1, 193 .vshift = 1, 194 } 195 }; 196 #define FORMATS ARRAY_SIZE(formats) 197 198 #define NORM_625_50 \ 199 .h_start = 0, \ 200 .h_stop = 719, \ 201 .video_v_start = 24, \ 202 .video_v_stop = 311, \ 203 .vbi_v_start_0 = 7, \ 204 .vbi_v_stop_0 = 23, \ 205 .vbi_v_start_1 = 319, \ 206 .src_timing = 4 207 208 #define NORM_525_60 \ 209 .h_start = 0, \ 210 .h_stop = 719, \ 211 .video_v_start = 23, \ 212 .video_v_stop = 262, \ 213 .vbi_v_start_0 = 10, \ 214 .vbi_v_stop_0 = 21, \ 215 .vbi_v_start_1 = 273, \ 216 .src_timing = 7 217 218 static struct saa7134_tvnorm tvnorms[] = { 219 { 220 .name = "PAL", /* autodetect */ 221 .id = V4L2_STD_PAL, 222 NORM_625_50, 223 224 .sync_control = 0x18, 225 .luma_control = 0x40, 226 .chroma_ctrl1 = 0x81, 227 .chroma_gain = 0x2a, 228 .chroma_ctrl2 = 0x06, 229 .vgate_misc = 0x1c, 230 231 },{ 232 .name = "PAL-BG", 233 .id = V4L2_STD_PAL_BG, 234 NORM_625_50, 235 236 .sync_control = 0x18, 237 .luma_control = 0x40, 238 .chroma_ctrl1 = 0x81, 239 .chroma_gain = 0x2a, 240 .chroma_ctrl2 = 0x06, 241 .vgate_misc = 0x1c, 242 243 },{ 244 .name = "PAL-I", 245 .id = V4L2_STD_PAL_I, 246 NORM_625_50, 247 248 .sync_control = 0x18, 249 .luma_control = 0x40, 250 .chroma_ctrl1 = 0x81, 251 .chroma_gain = 0x2a, 252 .chroma_ctrl2 = 0x06, 253 .vgate_misc = 0x1c, 254 255 },{ 256 .name = "PAL-DK", 257 .id = V4L2_STD_PAL_DK, 258 NORM_625_50, 259 260 .sync_control = 0x18, 261 .luma_control = 0x40, 262 .chroma_ctrl1 = 0x81, 263 .chroma_gain = 0x2a, 264 .chroma_ctrl2 = 0x06, 265 .vgate_misc = 0x1c, 266 267 },{ 268 .name = "NTSC", 269 .id = V4L2_STD_NTSC, 270 NORM_525_60, 271 272 .sync_control = 0x59, 273 .luma_control = 0x40, 274 .chroma_ctrl1 = 0x89, 275 .chroma_gain = 0x2a, 276 .chroma_ctrl2 = 0x0e, 277 .vgate_misc = 0x18, 278 279 },{ 280 .name = "SECAM", 281 .id = V4L2_STD_SECAM, 282 NORM_625_50, 283 284 .sync_control = 0x18, 285 .luma_control = 0x1b, 286 .chroma_ctrl1 = 0xd1, 287 .chroma_gain = 0x80, 288 .chroma_ctrl2 = 0x00, 289 .vgate_misc = 0x1c, 290 291 },{ 292 .name = "SECAM-DK", 293 .id = V4L2_STD_SECAM_DK, 294 NORM_625_50, 295 296 .sync_control = 0x18, 297 .luma_control = 0x1b, 298 .chroma_ctrl1 = 0xd1, 299 .chroma_gain = 0x80, 300 .chroma_ctrl2 = 0x00, 301 .vgate_misc = 0x1c, 302 303 },{ 304 .name = "SECAM-L", 305 .id = V4L2_STD_SECAM_L, 306 NORM_625_50, 307 308 .sync_control = 0x18, 309 .luma_control = 0x1b, 310 .chroma_ctrl1 = 0xd1, 311 .chroma_gain = 0x80, 312 .chroma_ctrl2 = 0x00, 313 .vgate_misc = 0x1c, 314 315 },{ 316 .name = "SECAM-Lc", 317 .id = V4L2_STD_SECAM_LC, 318 NORM_625_50, 319 320 .sync_control = 0x18, 321 .luma_control = 0x1b, 322 .chroma_ctrl1 = 0xd1, 323 .chroma_gain = 0x80, 324 .chroma_ctrl2 = 0x00, 325 .vgate_misc = 0x1c, 326 327 },{ 328 .name = "PAL-M", 329 .id = V4L2_STD_PAL_M, 330 NORM_525_60, 331 332 .sync_control = 0x59, 333 .luma_control = 0x40, 334 .chroma_ctrl1 = 0xb9, 335 .chroma_gain = 0x2a, 336 .chroma_ctrl2 = 0x0e, 337 .vgate_misc = 0x18, 338 339 },{ 340 .name = "PAL-Nc", 341 .id = V4L2_STD_PAL_Nc, 342 NORM_625_50, 343 344 .sync_control = 0x18, 345 .luma_control = 0x40, 346 .chroma_ctrl1 = 0xa1, 347 .chroma_gain = 0x2a, 348 .chroma_ctrl2 = 0x06, 349 .vgate_misc = 0x1c, 350 351 },{ 352 .name = "PAL-60", 353 .id = V4L2_STD_PAL_60, 354 355 .h_start = 0, 356 .h_stop = 719, 357 .video_v_start = 23, 358 .video_v_stop = 262, 359 .vbi_v_start_0 = 10, 360 .vbi_v_stop_0 = 21, 361 .vbi_v_start_1 = 273, 362 .src_timing = 7, 363 364 .sync_control = 0x18, 365 .luma_control = 0x40, 366 .chroma_ctrl1 = 0x81, 367 .chroma_gain = 0x2a, 368 .chroma_ctrl2 = 0x06, 369 .vgate_misc = 0x1c, 370 } 371 }; 372 #define TVNORMS ARRAY_SIZE(tvnorms) 373 374 static struct saa7134_format* format_by_fourcc(unsigned int fourcc) 375 { 376 unsigned int i; 377 378 for (i = 0; i < FORMATS; i++) 379 if (formats[i].fourcc == fourcc) 380 return formats+i; 381 return NULL; 382 } 383 384 /* ------------------------------------------------------------------ */ 385 386 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) 387 { 388 dprintk("set tv norm = %s\n",norm->name); 389 dev->tvnorm = norm; 390 391 /* setup cropping */ 392 dev->crop_bounds.left = norm->h_start; 393 dev->crop_defrect.left = norm->h_start; 394 dev->crop_bounds.width = norm->h_stop - norm->h_start +1; 395 dev->crop_defrect.width = norm->h_stop - norm->h_start +1; 396 397 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; 398 dev->crop_defrect.top = norm->video_v_start*2; 399 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) 400 - dev->crop_bounds.top; 401 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; 402 403 dev->crop_current = dev->crop_defrect; 404 405 saa7134_set_tvnorm_hw(dev); 406 } 407 408 static void video_mux(struct saa7134_dev *dev, int input) 409 { 410 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name); 411 dev->ctl_input = input; 412 set_tvnorm(dev, dev->tvnorm); 413 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 414 } 415 416 417 static void saa7134_set_decoder(struct saa7134_dev *dev) 418 { 419 int luma_control, sync_control, chroma_ctrl1, mux; 420 421 struct saa7134_tvnorm *norm = dev->tvnorm; 422 mux = card_in(dev, dev->ctl_input).vmux; 423 424 luma_control = norm->luma_control; 425 sync_control = norm->sync_control; 426 chroma_ctrl1 = norm->chroma_ctrl1; 427 428 if (mux > 5) 429 luma_control |= 0x80; /* svideo */ 430 if (noninterlaced || dev->nosignal) 431 sync_control |= 0x20; 432 433 /* switch on auto standard detection */ 434 sync_control |= SAA7134_SYNC_CTRL_AUFD; 435 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0; 436 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC; 437 luma_control &= ~SAA7134_LUMA_CTRL_LDEL; 438 439 /* setup video decoder */ 440 saa_writeb(SAA7134_INCR_DELAY, 0x08); 441 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 442 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 443 444 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 445 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 446 saa_writeb(SAA7134_HSYNC_START, 0xeb); 447 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 448 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 449 450 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 451 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 452 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 453 454 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 455 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 456 457 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 458 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 459 460 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 461 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); 462 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 463 464 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 465 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 466 467 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 468 saa_writeb(SAA7134_VGATE_START, 0x11); 469 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 470 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 471 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 472 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 473 } 474 475 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 476 { 477 saa7134_set_decoder(dev); 478 479 if (card_in(dev, dev->ctl_input).tv) 480 saa_call_all(dev, video, s_std, dev->tvnorm->id); 481 /* Set the correct norm for the saa6752hs. This function 482 does nothing if there is no saa6752hs. */ 483 saa_call_empress(dev, video, s_std, dev->tvnorm->id); 484 } 485 486 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) 487 { 488 static const struct { 489 int xpsc; 490 int xacl; 491 int xc2_1; 492 int xdcg; 493 int vpfy; 494 } vals[] = { 495 /* XPSC XACL XC2_1 XDCG VPFY */ 496 { 1, 0, 0, 0, 0 }, 497 { 2, 2, 1, 2, 2 }, 498 { 3, 4, 1, 3, 2 }, 499 { 4, 8, 1, 4, 2 }, 500 { 5, 8, 1, 4, 2 }, 501 { 6, 8, 1, 4, 3 }, 502 { 7, 8, 1, 4, 3 }, 503 { 8, 15, 0, 4, 3 }, 504 { 9, 15, 0, 4, 3 }, 505 { 10, 16, 1, 5, 3 }, 506 }; 507 static const int count = ARRAY_SIZE(vals); 508 int i; 509 510 for (i = 0; i < count; i++) 511 if (vals[i].xpsc == prescale) 512 break; 513 if (i == count) 514 return; 515 516 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); 517 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); 518 saa_writeb(SAA7134_LEVEL_CTRL(task), 519 (vals[i].xc2_1 << 3) | (vals[i].xdcg)); 520 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, 521 (vals[i].vpfy << 2) | vals[i].vpfy); 522 } 523 524 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) 525 { 526 int val,mirror; 527 528 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); 529 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); 530 531 mirror = (dev->ctl_mirror) ? 0x02 : 0x00; 532 if (yscale < 2048) { 533 /* LPI */ 534 dprintk("yscale LPI yscale=%d\n",yscale); 535 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); 536 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); 537 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); 538 } else { 539 /* ACM */ 540 val = 0x40 * 1024 / yscale; 541 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val); 542 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); 543 saa_writeb(SAA7134_LUMA_CONTRAST(task), val); 544 saa_writeb(SAA7134_CHROMA_SATURATION(task), val); 545 } 546 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); 547 } 548 549 static void set_size(struct saa7134_dev *dev, int task, 550 int width, int height, int interlace) 551 { 552 int prescale,xscale,yscale,y_even,y_odd; 553 int h_start, h_stop, v_start, v_stop; 554 int div = interlace ? 2 : 1; 555 556 /* setup video scaler */ 557 h_start = dev->crop_current.left; 558 v_start = dev->crop_current.top/2; 559 h_stop = (dev->crop_current.left + dev->crop_current.width -1); 560 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; 561 562 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); 563 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); 564 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); 565 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); 566 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); 567 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); 568 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); 569 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); 570 571 prescale = dev->crop_current.width / width; 572 if (0 == prescale) 573 prescale = 1; 574 xscale = 1024 * dev->crop_current.width / prescale / width; 575 yscale = 512 * div * dev->crop_current.height / height; 576 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale); 577 set_h_prescale(dev,task,prescale); 578 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); 579 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); 580 set_v_scale(dev,task,yscale); 581 582 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); 583 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); 584 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); 585 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); 586 587 /* deinterlace y offsets */ 588 y_odd = dev->ctl_y_odd; 589 y_even = dev->ctl_y_even; 590 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); 591 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); 592 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); 593 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); 594 } 595 596 /* ------------------------------------------------------------------ */ 597 598 struct cliplist { 599 __u16 position; 600 __u8 enable; 601 __u8 disable; 602 }; 603 604 static void set_cliplist(struct saa7134_dev *dev, int reg, 605 struct cliplist *cl, int entries, char *name) 606 { 607 __u8 winbits = 0; 608 int i; 609 610 for (i = 0; i < entries; i++) { 611 winbits |= cl[i].enable; 612 winbits &= ~cl[i].disable; 613 if (i < 15 && cl[i].position == cl[i+1].position) 614 continue; 615 saa_writeb(reg + 0, winbits); 616 saa_writeb(reg + 2, cl[i].position & 0xff); 617 saa_writeb(reg + 3, cl[i].position >> 8); 618 dprintk("clip: %s winbits=%02x pos=%d\n", 619 name,winbits,cl[i].position); 620 reg += 8; 621 } 622 for (; reg < 0x400; reg += 8) { 623 saa_writeb(reg+ 0, 0); 624 saa_writeb(reg + 1, 0); 625 saa_writeb(reg + 2, 0); 626 saa_writeb(reg + 3, 0); 627 } 628 } 629 630 static int clip_range(int val) 631 { 632 if (val < 0) 633 val = 0; 634 return val; 635 } 636 637 /* Sort into smallest position first order */ 638 static int cliplist_cmp(const void *a, const void *b) 639 { 640 const struct cliplist *cla = a; 641 const struct cliplist *clb = b; 642 if (cla->position < clb->position) 643 return -1; 644 if (cla->position > clb->position) 645 return 1; 646 return 0; 647 } 648 649 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, 650 int nclips, int interlace) 651 { 652 struct cliplist col[16], row[16]; 653 int cols = 0, rows = 0, i; 654 int div = interlace ? 2 : 1; 655 656 memset(col, 0, sizeof(col)); 657 memset(row, 0, sizeof(row)); 658 for (i = 0; i < nclips && i < 8; i++) { 659 col[cols].position = clip_range(clips[i].c.left); 660 col[cols].enable = (1 << i); 661 cols++; 662 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); 663 col[cols].disable = (1 << i); 664 cols++; 665 row[rows].position = clip_range(clips[i].c.top / div); 666 row[rows].enable = (1 << i); 667 rows++; 668 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) 669 / div); 670 row[rows].disable = (1 << i); 671 rows++; 672 } 673 sort(col, cols, sizeof col[0], cliplist_cmp, NULL); 674 sort(row, rows, sizeof row[0], cliplist_cmp, NULL); 675 set_cliplist(dev,0x380,col,cols,"cols"); 676 set_cliplist(dev,0x384,row,rows,"rows"); 677 return 0; 678 } 679 680 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try) 681 { 682 enum v4l2_field field; 683 int maxw, maxh; 684 685 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL)) 686 return -EINVAL; 687 if (win->w.width < 48) 688 win->w.width = 48; 689 if (win->w.height < 32) 690 win->w.height = 32; 691 if (win->clipcount > 8) 692 win->clipcount = 8; 693 694 win->chromakey = 0; 695 win->global_alpha = 0; 696 field = win->field; 697 maxw = dev->crop_current.width; 698 maxh = dev->crop_current.height; 699 700 if (V4L2_FIELD_ANY == field) { 701 field = (win->w.height > maxh/2) 702 ? V4L2_FIELD_INTERLACED 703 : V4L2_FIELD_TOP; 704 } 705 switch (field) { 706 case V4L2_FIELD_TOP: 707 case V4L2_FIELD_BOTTOM: 708 maxh = maxh / 2; 709 break; 710 default: 711 field = V4L2_FIELD_INTERLACED; 712 break; 713 } 714 715 win->field = field; 716 if (win->w.width > maxw) 717 win->w.width = maxw; 718 if (win->w.height > maxh) 719 win->w.height = maxh; 720 return 0; 721 } 722 723 static int start_preview(struct saa7134_dev *dev) 724 { 725 unsigned long base,control,bpl; 726 int err; 727 728 err = verify_preview(dev, &dev->win, false); 729 if (0 != err) 730 return err; 731 732 dev->ovfield = dev->win.field; 733 dprintk("start_preview %dx%d+%d+%d %s field=%s\n", 734 dev->win.w.width, dev->win.w.height, 735 dev->win.w.left, dev->win.w.top, 736 dev->ovfmt->name, v4l2_field_names[dev->ovfield]); 737 738 /* setup window + clipping */ 739 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height, 740 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 741 setup_clipping(dev, dev->clips, dev->nclips, 742 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 743 if (dev->ovfmt->yuv) 744 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); 745 else 746 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); 747 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); 748 749 /* dma: setup channel 1 (= Video Task B) */ 750 base = (unsigned long)dev->ovbuf.base; 751 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top; 752 base += dev->ovfmt->depth/8 * dev->win.w.left; 753 bpl = dev->ovbuf.fmt.bytesperline; 754 control = SAA7134_RS_CONTROL_BURST_16; 755 if (dev->ovfmt->bswap) 756 control |= SAA7134_RS_CONTROL_BSWAP; 757 if (dev->ovfmt->wswap) 758 control |= SAA7134_RS_CONTROL_WSWAP; 759 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { 760 saa_writel(SAA7134_RS_BA1(1),base); 761 saa_writel(SAA7134_RS_BA2(1),base+bpl); 762 saa_writel(SAA7134_RS_PITCH(1),bpl*2); 763 saa_writel(SAA7134_RS_CONTROL(1),control); 764 } else { 765 saa_writel(SAA7134_RS_BA1(1),base); 766 saa_writel(SAA7134_RS_BA2(1),base); 767 saa_writel(SAA7134_RS_PITCH(1),bpl); 768 saa_writel(SAA7134_RS_CONTROL(1),control); 769 } 770 771 /* start dma */ 772 dev->ovenable = 1; 773 saa7134_set_dmabits(dev); 774 775 return 0; 776 } 777 778 static int stop_preview(struct saa7134_dev *dev) 779 { 780 dev->ovenable = 0; 781 saa7134_set_dmabits(dev); 782 return 0; 783 } 784 785 /* ------------------------------------------------------------------ */ 786 787 static int buffer_activate(struct saa7134_dev *dev, 788 struct saa7134_buf *buf, 789 struct saa7134_buf *next) 790 { 791 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv; 792 unsigned long base,control,bpl; 793 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 794 795 dprintk("buffer_activate buf=%p\n",buf); 796 buf->top_seen = 0; 797 798 set_size(dev, TASK_A, dev->width, dev->height, 799 V4L2_FIELD_HAS_BOTH(dev->field)); 800 if (dev->fmt->yuv) 801 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 802 else 803 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 804 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm); 805 806 /* DMA: setup channel 0 (= Video Task A0) */ 807 base = saa7134_buffer_base(buf); 808 if (dev->fmt->planar) 809 bpl = dev->width; 810 else 811 bpl = (dev->width * dev->fmt->depth) / 8; 812 control = SAA7134_RS_CONTROL_BURST_16 | 813 SAA7134_RS_CONTROL_ME | 814 (dmaq->pt.dma >> 12); 815 if (dev->fmt->bswap) 816 control |= SAA7134_RS_CONTROL_BSWAP; 817 if (dev->fmt->wswap) 818 control |= SAA7134_RS_CONTROL_WSWAP; 819 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 820 /* interlaced */ 821 saa_writel(SAA7134_RS_BA1(0),base); 822 saa_writel(SAA7134_RS_BA2(0),base+bpl); 823 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 824 } else { 825 /* non-interlaced */ 826 saa_writel(SAA7134_RS_BA1(0),base); 827 saa_writel(SAA7134_RS_BA2(0),base); 828 saa_writel(SAA7134_RS_PITCH(0),bpl); 829 } 830 saa_writel(SAA7134_RS_CONTROL(0),control); 831 832 if (dev->fmt->planar) { 833 /* DMA: setup channel 4+5 (= planar task A) */ 834 bpl_uv = bpl >> dev->fmt->hshift; 835 lines_uv = dev->height >> dev->fmt->vshift; 836 base2 = base + bpl * dev->height; 837 base3 = base2 + bpl_uv * lines_uv; 838 if (dev->fmt->uvswap) 839 tmp = base2, base2 = base3, base3 = tmp; 840 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 841 bpl_uv,lines_uv,base2,base3); 842 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 843 /* interlaced */ 844 saa_writel(SAA7134_RS_BA1(4),base2); 845 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 846 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 847 saa_writel(SAA7134_RS_BA1(5),base3); 848 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 849 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 850 } else { 851 /* non-interlaced */ 852 saa_writel(SAA7134_RS_BA1(4),base2); 853 saa_writel(SAA7134_RS_BA2(4),base2); 854 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 855 saa_writel(SAA7134_RS_BA1(5),base3); 856 saa_writel(SAA7134_RS_BA2(5),base3); 857 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 858 } 859 saa_writel(SAA7134_RS_CONTROL(4),control); 860 saa_writel(SAA7134_RS_CONTROL(5),control); 861 } 862 863 /* start DMA */ 864 saa7134_set_dmabits(dev); 865 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT); 866 return 0; 867 } 868 869 static int buffer_init(struct vb2_buffer *vb2) 870 { 871 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 872 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2); 873 874 dmaq->curr = NULL; 875 buf->activate = buffer_activate; 876 return 0; 877 } 878 879 static int buffer_prepare(struct vb2_buffer *vb2) 880 { 881 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 882 struct saa7134_dev *dev = dmaq->dev; 883 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2); 884 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0); 885 unsigned int size; 886 887 if (dma->sgl->offset) { 888 pr_err("The buffer is not page-aligned\n"); 889 return -EINVAL; 890 } 891 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 892 if (vb2_plane_size(vb2, 0) < size) 893 return -EINVAL; 894 895 vb2_set_plane_payload(vb2, 0, size); 896 vb2->v4l2_buf.field = dev->field; 897 898 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, 899 saa7134_buffer_startpage(buf)); 900 } 901 902 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, 903 unsigned int *nbuffers, unsigned int *nplanes, 904 unsigned int sizes[], void *alloc_ctxs[]) 905 { 906 struct saa7134_dmaqueue *dmaq = q->drv_priv; 907 struct saa7134_dev *dev = dmaq->dev; 908 int size = dev->fmt->depth * dev->width * dev->height >> 3; 909 910 if (dev->width < 48 || 911 dev->height < 32 || 912 dev->width/4 > dev->crop_current.width || 913 dev->height/4 > dev->crop_current.height || 914 dev->width > dev->crop_bounds.width || 915 dev->height > dev->crop_bounds.height) 916 return -EINVAL; 917 918 *nbuffers = saa7134_buffer_count(size, *nbuffers); 919 *nplanes = 1; 920 sizes[0] = size; 921 alloc_ctxs[0] = dev->alloc_ctx; 922 return 0; 923 } 924 925 /* 926 * move buffer to hardware queue 927 */ 928 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) 929 { 930 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; 931 struct saa7134_dev *dev = dmaq->dev; 932 struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2); 933 934 saa7134_buffer_queue(dev, dmaq, buf); 935 } 936 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); 937 938 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) 939 { 940 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 941 struct saa7134_dev *dev = dmaq->dev; 942 943 /* 944 * Planar video capture and TS share the same DMA channel, 945 * so only one can be active at a time. 946 */ 947 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && 948 dmaq == &dev->video_q && dev->fmt->planar) { 949 struct saa7134_buf *buf, *tmp; 950 951 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { 952 list_del(&buf->entry); 953 vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED); 954 } 955 if (dmaq->curr) { 956 vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED); 957 dmaq->curr = NULL; 958 } 959 return -EBUSY; 960 } 961 962 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 963 * configured conservatively, there's 22 usec of buffering for video. 964 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 965 * margin in case the FIFO is configured differently to the datasheet. 966 * Unfortunately, I lack register-level documentation to check the 967 * Linux FIFO setup and confirm the perfect value. 968 */ 969 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 970 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 971 pm_qos_add_request(&dev->qos_request, 972 PM_QOS_CPU_DMA_LATENCY, 20); 973 dmaq->seq_nr = 0; 974 975 return 0; 976 } 977 978 void saa7134_vb2_stop_streaming(struct vb2_queue *vq) 979 { 980 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 981 struct saa7134_dev *dev = dmaq->dev; 982 983 saa7134_stop_streaming(dev, dmaq); 984 985 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 986 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 987 pm_qos_remove_request(&dev->qos_request); 988 } 989 990 static struct vb2_ops vb2_qops = { 991 .queue_setup = queue_setup, 992 .buf_init = buffer_init, 993 .buf_prepare = buffer_prepare, 994 .buf_queue = saa7134_vb2_buffer_queue, 995 .wait_prepare = vb2_ops_wait_prepare, 996 .wait_finish = vb2_ops_wait_finish, 997 .start_streaming = saa7134_vb2_start_streaming, 998 .stop_streaming = saa7134_vb2_stop_streaming, 999 }; 1000 1001 /* ------------------------------------------------------------------ */ 1002 1003 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) 1004 { 1005 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); 1006 unsigned long flags; 1007 int restart_overlay = 0; 1008 1009 switch (ctrl->id) { 1010 case V4L2_CID_BRIGHTNESS: 1011 dev->ctl_bright = ctrl->val; 1012 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); 1013 break; 1014 case V4L2_CID_HUE: 1015 dev->ctl_hue = ctrl->val; 1016 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); 1017 break; 1018 case V4L2_CID_CONTRAST: 1019 dev->ctl_contrast = ctrl->val; 1020 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1021 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1022 break; 1023 case V4L2_CID_SATURATION: 1024 dev->ctl_saturation = ctrl->val; 1025 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1026 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1027 break; 1028 case V4L2_CID_AUDIO_MUTE: 1029 dev->ctl_mute = ctrl->val; 1030 saa7134_tvaudio_setmute(dev); 1031 break; 1032 case V4L2_CID_AUDIO_VOLUME: 1033 dev->ctl_volume = ctrl->val; 1034 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1035 break; 1036 case V4L2_CID_PRIVATE_INVERT: 1037 dev->ctl_invert = ctrl->val; 1038 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1039 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1040 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1041 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1042 break; 1043 case V4L2_CID_HFLIP: 1044 dev->ctl_mirror = ctrl->val; 1045 restart_overlay = 1; 1046 break; 1047 case V4L2_CID_PRIVATE_Y_EVEN: 1048 dev->ctl_y_even = ctrl->val; 1049 restart_overlay = 1; 1050 break; 1051 case V4L2_CID_PRIVATE_Y_ODD: 1052 dev->ctl_y_odd = ctrl->val; 1053 restart_overlay = 1; 1054 break; 1055 case V4L2_CID_PRIVATE_AUTOMUTE: 1056 { 1057 struct v4l2_priv_tun_config tda9887_cfg; 1058 1059 tda9887_cfg.tuner = TUNER_TDA9887; 1060 tda9887_cfg.priv = &dev->tda9887_conf; 1061 1062 dev->ctl_automute = ctrl->val; 1063 if (dev->tda9887_conf) { 1064 if (dev->ctl_automute) 1065 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1066 else 1067 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1068 1069 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1070 } 1071 break; 1072 } 1073 default: 1074 return -EINVAL; 1075 } 1076 if (restart_overlay && dev->overlay_owner) { 1077 spin_lock_irqsave(&dev->slock, flags); 1078 stop_preview(dev); 1079 start_preview(dev); 1080 spin_unlock_irqrestore(&dev->slock, flags); 1081 } 1082 return 0; 1083 } 1084 1085 /* ------------------------------------------------------------------ */ 1086 1087 static inline struct vb2_queue *saa7134_queue(struct file *file) 1088 { 1089 return video_devdata(file)->queue; 1090 } 1091 1092 static int video_open(struct file *file) 1093 { 1094 struct video_device *vdev = video_devdata(file); 1095 struct saa7134_dev *dev = video_drvdata(file); 1096 int ret = v4l2_fh_open(file); 1097 1098 if (ret < 0) 1099 return ret; 1100 1101 mutex_lock(&dev->lock); 1102 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1103 /* switch to radio mode */ 1104 saa7134_tvaudio_setinput(dev, &card(dev).radio); 1105 saa_call_all(dev, tuner, s_radio); 1106 } else { 1107 /* switch to video/vbi mode */ 1108 video_mux(dev, dev->ctl_input); 1109 } 1110 mutex_unlock(&dev->lock); 1111 1112 return 0; 1113 } 1114 1115 static int video_release(struct file *file) 1116 { 1117 struct video_device *vdev = video_devdata(file); 1118 struct saa7134_dev *dev = video_drvdata(file); 1119 struct v4l2_fh *fh = file->private_data; 1120 struct saa6588_command cmd; 1121 unsigned long flags; 1122 1123 mutex_lock(&dev->lock); 1124 saa7134_tvaudio_close(dev); 1125 1126 /* turn off overlay */ 1127 if (fh == dev->overlay_owner) { 1128 spin_lock_irqsave(&dev->slock,flags); 1129 stop_preview(dev); 1130 spin_unlock_irqrestore(&dev->slock,flags); 1131 dev->overlay_owner = NULL; 1132 } 1133 1134 if (vdev->vfl_type == VFL_TYPE_RADIO) 1135 v4l2_fh_release(file); 1136 else 1137 _vb2_fop_release(file, NULL); 1138 1139 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1140 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1141 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1142 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1143 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1144 1145 saa_call_all(dev, core, s_power, 0); 1146 if (vdev->vfl_type == VFL_TYPE_RADIO) 1147 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1148 mutex_unlock(&dev->lock); 1149 1150 return 0; 1151 } 1152 1153 static ssize_t radio_read(struct file *file, char __user *data, 1154 size_t count, loff_t *ppos) 1155 { 1156 struct saa7134_dev *dev = video_drvdata(file); 1157 struct saa6588_command cmd; 1158 1159 cmd.block_count = count/3; 1160 cmd.nonblocking = file->f_flags & O_NONBLOCK; 1161 cmd.buffer = data; 1162 cmd.instance = file; 1163 cmd.result = -ENODEV; 1164 1165 mutex_lock(&dev->lock); 1166 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1167 mutex_unlock(&dev->lock); 1168 1169 return cmd.result; 1170 } 1171 1172 static unsigned int radio_poll(struct file *file, poll_table *wait) 1173 { 1174 struct saa7134_dev *dev = video_drvdata(file); 1175 struct saa6588_command cmd; 1176 unsigned int rc = v4l2_ctrl_poll(file, wait); 1177 1178 cmd.instance = file; 1179 cmd.event_list = wait; 1180 cmd.result = 0; 1181 mutex_lock(&dev->lock); 1182 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1183 mutex_unlock(&dev->lock); 1184 1185 return rc | cmd.result; 1186 } 1187 1188 /* ------------------------------------------------------------------ */ 1189 1190 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1191 struct v4l2_format *f) 1192 { 1193 struct saa7134_dev *dev = video_drvdata(file); 1194 struct saa7134_tvnorm *norm = dev->tvnorm; 1195 1196 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1197 f->fmt.vbi.sampling_rate = 6750000 * 4; 1198 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1199 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1200 f->fmt.vbi.offset = 64 * 4; 1201 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1202 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1203 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1204 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1205 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1206 1207 return 0; 1208 } 1209 1210 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1211 struct v4l2_format *f) 1212 { 1213 struct saa7134_dev *dev = video_drvdata(file); 1214 1215 f->fmt.pix.width = dev->width; 1216 f->fmt.pix.height = dev->height; 1217 f->fmt.pix.field = dev->field; 1218 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1219 f->fmt.pix.bytesperline = 1220 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1221 f->fmt.pix.sizeimage = 1222 f->fmt.pix.height * f->fmt.pix.bytesperline; 1223 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1224 return 0; 1225 } 1226 1227 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1228 struct v4l2_format *f) 1229 { 1230 struct saa7134_dev *dev = video_drvdata(file); 1231 struct v4l2_clip __user *clips = f->fmt.win.clips; 1232 u32 clipcount = f->fmt.win.clipcount; 1233 int err = 0; 1234 int i; 1235 1236 if (saa7134_no_overlay > 0) { 1237 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1238 return -EINVAL; 1239 } 1240 f->fmt.win = dev->win; 1241 f->fmt.win.clips = clips; 1242 if (clips == NULL) 1243 clipcount = 0; 1244 if (dev->nclips < clipcount) 1245 clipcount = dev->nclips; 1246 f->fmt.win.clipcount = clipcount; 1247 1248 for (i = 0; !err && i < clipcount; i++) { 1249 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1250 sizeof(struct v4l2_rect))) 1251 err = -EFAULT; 1252 } 1253 1254 return err; 1255 } 1256 1257 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1258 struct v4l2_format *f) 1259 { 1260 struct saa7134_dev *dev = video_drvdata(file); 1261 struct saa7134_format *fmt; 1262 enum v4l2_field field; 1263 unsigned int maxw, maxh; 1264 1265 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1266 if (NULL == fmt) 1267 return -EINVAL; 1268 1269 field = f->fmt.pix.field; 1270 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1271 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1272 1273 if (V4L2_FIELD_ANY == field) { 1274 field = (f->fmt.pix.height > maxh/2) 1275 ? V4L2_FIELD_INTERLACED 1276 : V4L2_FIELD_BOTTOM; 1277 } 1278 switch (field) { 1279 case V4L2_FIELD_TOP: 1280 case V4L2_FIELD_BOTTOM: 1281 maxh = maxh / 2; 1282 break; 1283 default: 1284 field = V4L2_FIELD_INTERLACED; 1285 break; 1286 } 1287 1288 f->fmt.pix.field = field; 1289 if (f->fmt.pix.width < 48) 1290 f->fmt.pix.width = 48; 1291 if (f->fmt.pix.height < 32) 1292 f->fmt.pix.height = 32; 1293 if (f->fmt.pix.width > maxw) 1294 f->fmt.pix.width = maxw; 1295 if (f->fmt.pix.height > maxh) 1296 f->fmt.pix.height = maxh; 1297 f->fmt.pix.width &= ~0x03; 1298 f->fmt.pix.bytesperline = 1299 (f->fmt.pix.width * fmt->depth) >> 3; 1300 f->fmt.pix.sizeimage = 1301 f->fmt.pix.height * f->fmt.pix.bytesperline; 1302 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1303 1304 return 0; 1305 } 1306 1307 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1308 struct v4l2_format *f) 1309 { 1310 struct saa7134_dev *dev = video_drvdata(file); 1311 1312 if (saa7134_no_overlay > 0) { 1313 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1314 return -EINVAL; 1315 } 1316 1317 if (f->fmt.win.clips == NULL) 1318 f->fmt.win.clipcount = 0; 1319 return verify_preview(dev, &f->fmt.win, true); 1320 } 1321 1322 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1323 struct v4l2_format *f) 1324 { 1325 struct saa7134_dev *dev = video_drvdata(file); 1326 int err; 1327 1328 err = saa7134_try_fmt_vid_cap(file, priv, f); 1329 if (0 != err) 1330 return err; 1331 1332 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1333 dev->width = f->fmt.pix.width; 1334 dev->height = f->fmt.pix.height; 1335 dev->field = f->fmt.pix.field; 1336 return 0; 1337 } 1338 1339 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1340 struct v4l2_format *f) 1341 { 1342 struct saa7134_dev *dev = video_drvdata(file); 1343 int err; 1344 unsigned long flags; 1345 1346 if (saa7134_no_overlay > 0) { 1347 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1348 return -EINVAL; 1349 } 1350 if (f->fmt.win.clips == NULL) 1351 f->fmt.win.clipcount = 0; 1352 err = verify_preview(dev, &f->fmt.win, true); 1353 if (0 != err) 1354 return err; 1355 1356 dev->win = f->fmt.win; 1357 dev->nclips = f->fmt.win.clipcount; 1358 1359 if (copy_from_user(dev->clips, f->fmt.win.clips, 1360 sizeof(struct v4l2_clip) * dev->nclips)) 1361 return -EFAULT; 1362 1363 if (priv == dev->overlay_owner) { 1364 spin_lock_irqsave(&dev->slock, flags); 1365 stop_preview(dev); 1366 start_preview(dev); 1367 spin_unlock_irqrestore(&dev->slock, flags); 1368 } 1369 1370 return 0; 1371 } 1372 1373 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1374 { 1375 struct saa7134_dev *dev = video_drvdata(file); 1376 unsigned int n; 1377 1378 n = i->index; 1379 if (n >= SAA7134_INPUT_MAX) 1380 return -EINVAL; 1381 if (NULL == card_in(dev, i->index).name) 1382 return -EINVAL; 1383 i->index = n; 1384 i->type = V4L2_INPUT_TYPE_CAMERA; 1385 strcpy(i->name, card_in(dev, n).name); 1386 if (card_in(dev, n).tv) 1387 i->type = V4L2_INPUT_TYPE_TUNER; 1388 if (n == dev->ctl_input) { 1389 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1390 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1391 1392 if (0 != (v1 & 0x40)) 1393 i->status |= V4L2_IN_ST_NO_H_LOCK; 1394 if (0 != (v2 & 0x40)) 1395 i->status |= V4L2_IN_ST_NO_SIGNAL; 1396 if (0 != (v2 & 0x0e)) 1397 i->status |= V4L2_IN_ST_MACROVISION; 1398 } 1399 i->std = SAA7134_NORMS; 1400 return 0; 1401 } 1402 EXPORT_SYMBOL_GPL(saa7134_enum_input); 1403 1404 int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1405 { 1406 struct saa7134_dev *dev = video_drvdata(file); 1407 1408 *i = dev->ctl_input; 1409 return 0; 1410 } 1411 EXPORT_SYMBOL_GPL(saa7134_g_input); 1412 1413 int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1414 { 1415 struct saa7134_dev *dev = video_drvdata(file); 1416 1417 if (i >= SAA7134_INPUT_MAX) 1418 return -EINVAL; 1419 if (NULL == card_in(dev, i).name) 1420 return -EINVAL; 1421 video_mux(dev, i); 1422 return 0; 1423 } 1424 EXPORT_SYMBOL_GPL(saa7134_s_input); 1425 1426 int saa7134_querycap(struct file *file, void *priv, 1427 struct v4l2_capability *cap) 1428 { 1429 struct saa7134_dev *dev = video_drvdata(file); 1430 struct video_device *vdev = video_devdata(file); 1431 u32 radio_caps, video_caps, vbi_caps; 1432 1433 unsigned int tuner_type = dev->tuner_type; 1434 1435 strcpy(cap->driver, "saa7134"); 1436 strlcpy(cap->card, saa7134_boards[dev->board].name, 1437 sizeof(cap->card)); 1438 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1439 1440 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1441 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1442 cap->device_caps |= V4L2_CAP_TUNER; 1443 1444 radio_caps = V4L2_CAP_RADIO; 1445 if (dev->has_rds) 1446 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1447 1448 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1449 if (saa7134_no_overlay <= 0 && !is_empress(file)) 1450 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1451 1452 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1453 1454 switch (vdev->vfl_type) { 1455 case VFL_TYPE_RADIO: 1456 cap->device_caps |= radio_caps; 1457 break; 1458 case VFL_TYPE_GRABBER: 1459 cap->device_caps |= video_caps; 1460 break; 1461 case VFL_TYPE_VBI: 1462 cap->device_caps |= vbi_caps; 1463 break; 1464 } 1465 cap->capabilities = radio_caps | video_caps | vbi_caps | 1466 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1467 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1468 cap->device_caps &= ~V4L2_CAP_STREAMING; 1469 if (!dev->has_rds) 1470 cap->device_caps &= ~V4L2_CAP_READWRITE; 1471 } 1472 1473 return 0; 1474 } 1475 EXPORT_SYMBOL_GPL(saa7134_querycap); 1476 1477 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1478 { 1479 struct saa7134_dev *dev = video_drvdata(file); 1480 struct v4l2_fh *fh = priv; 1481 unsigned long flags; 1482 unsigned int i; 1483 v4l2_std_id fixup; 1484 1485 if (is_empress(file) && dev->overlay_owner) { 1486 /* Don't change the std from the mpeg device 1487 if overlay is active. */ 1488 return -EBUSY; 1489 } 1490 1491 for (i = 0; i < TVNORMS; i++) 1492 if (id == tvnorms[i].id) 1493 break; 1494 1495 if (i == TVNORMS) 1496 for (i = 0; i < TVNORMS; i++) 1497 if (id & tvnorms[i].id) 1498 break; 1499 if (i == TVNORMS) 1500 return -EINVAL; 1501 1502 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1503 if (secam[0] == 'L' || secam[0] == 'l') { 1504 if (secam[1] == 'C' || secam[1] == 'c') 1505 fixup = V4L2_STD_SECAM_LC; 1506 else 1507 fixup = V4L2_STD_SECAM_L; 1508 } else { 1509 if (secam[0] == 'D' || secam[0] == 'd') 1510 fixup = V4L2_STD_SECAM_DK; 1511 else 1512 fixup = V4L2_STD_SECAM; 1513 } 1514 for (i = 0; i < TVNORMS; i++) { 1515 if (fixup == tvnorms[i].id) 1516 break; 1517 } 1518 if (i == TVNORMS) 1519 return -EINVAL; 1520 } 1521 1522 id = tvnorms[i].id; 1523 1524 if (!is_empress(file) && fh == dev->overlay_owner) { 1525 spin_lock_irqsave(&dev->slock, flags); 1526 stop_preview(dev); 1527 spin_unlock_irqrestore(&dev->slock, flags); 1528 1529 set_tvnorm(dev, &tvnorms[i]); 1530 1531 spin_lock_irqsave(&dev->slock, flags); 1532 start_preview(dev); 1533 spin_unlock_irqrestore(&dev->slock, flags); 1534 } else 1535 set_tvnorm(dev, &tvnorms[i]); 1536 1537 saa7134_tvaudio_do_scan(dev); 1538 return 0; 1539 } 1540 EXPORT_SYMBOL_GPL(saa7134_s_std); 1541 1542 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1543 { 1544 struct saa7134_dev *dev = video_drvdata(file); 1545 1546 *id = dev->tvnorm->id; 1547 return 0; 1548 } 1549 EXPORT_SYMBOL_GPL(saa7134_g_std); 1550 1551 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) 1552 { 1553 static v4l2_std_id stds[] = { 1554 V4L2_STD_UNKNOWN, 1555 V4L2_STD_NTSC, 1556 V4L2_STD_PAL, 1557 V4L2_STD_SECAM }; 1558 1559 v4l2_std_id result = 0; 1560 1561 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1562 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1563 1564 if (!(st2 & 0x1)) /* RDCAP == 0 */ 1565 result = V4L2_STD_UNKNOWN; 1566 else 1567 result = stds[st1 & 0x03]; 1568 1569 return result; 1570 } 1571 1572 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) 1573 { 1574 struct saa7134_dev *dev = video_drvdata(file); 1575 *std &= saa7134_read_std(dev); 1576 return 0; 1577 } 1578 EXPORT_SYMBOL_GPL(saa7134_querystd); 1579 1580 static int saa7134_cropcap(struct file *file, void *priv, 1581 struct v4l2_cropcap *cap) 1582 { 1583 struct saa7134_dev *dev = video_drvdata(file); 1584 1585 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1586 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1587 return -EINVAL; 1588 cap->bounds = dev->crop_bounds; 1589 cap->defrect = dev->crop_defrect; 1590 cap->pixelaspect.numerator = 1; 1591 cap->pixelaspect.denominator = 1; 1592 if (dev->tvnorm->id & V4L2_STD_525_60) { 1593 cap->pixelaspect.numerator = 11; 1594 cap->pixelaspect.denominator = 10; 1595 } 1596 if (dev->tvnorm->id & V4L2_STD_625_50) { 1597 cap->pixelaspect.numerator = 54; 1598 cap->pixelaspect.denominator = 59; 1599 } 1600 return 0; 1601 } 1602 1603 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1604 { 1605 struct saa7134_dev *dev = video_drvdata(file); 1606 1607 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1608 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1609 return -EINVAL; 1610 crop->c = dev->crop_current; 1611 return 0; 1612 } 1613 1614 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1615 { 1616 struct saa7134_dev *dev = video_drvdata(file); 1617 struct v4l2_rect *b = &dev->crop_bounds; 1618 struct v4l2_rect *c = &dev->crop_current; 1619 1620 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1621 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1622 return -EINVAL; 1623 1624 if (dev->overlay_owner) 1625 return -EBUSY; 1626 if (vb2_is_streaming(&dev->video_vbq)) 1627 return -EBUSY; 1628 1629 *c = crop->c; 1630 if (c->top < b->top) 1631 c->top = b->top; 1632 if (c->top > b->top + b->height) 1633 c->top = b->top + b->height; 1634 if (c->height > b->top - c->top + b->height) 1635 c->height = b->top - c->top + b->height; 1636 1637 if (c->left < b->left) 1638 c->left = b->left; 1639 if (c->left > b->left + b->width) 1640 c->left = b->left + b->width; 1641 if (c->width > b->left - c->left + b->width) 1642 c->width = b->left - c->left + b->width; 1643 return 0; 1644 } 1645 1646 int saa7134_g_tuner(struct file *file, void *priv, 1647 struct v4l2_tuner *t) 1648 { 1649 struct saa7134_dev *dev = video_drvdata(file); 1650 int n; 1651 1652 if (0 != t->index) 1653 return -EINVAL; 1654 memset(t, 0, sizeof(*t)); 1655 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 1656 if (card_in(dev, n).tv) 1657 break; 1658 } 1659 if (n == SAA7134_INPUT_MAX) 1660 return -EINVAL; 1661 if (NULL != card_in(dev, n).name) { 1662 strcpy(t->name, "Television"); 1663 t->type = V4L2_TUNER_ANALOG_TV; 1664 saa_call_all(dev, tuner, g_tuner, t); 1665 t->capability = V4L2_TUNER_CAP_NORM | 1666 V4L2_TUNER_CAP_STEREO | 1667 V4L2_TUNER_CAP_LANG1 | 1668 V4L2_TUNER_CAP_LANG2; 1669 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 1670 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 1671 } 1672 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 1673 t->signal = 0xffff; 1674 return 0; 1675 } 1676 EXPORT_SYMBOL_GPL(saa7134_g_tuner); 1677 1678 int saa7134_s_tuner(struct file *file, void *priv, 1679 const struct v4l2_tuner *t) 1680 { 1681 struct saa7134_dev *dev = video_drvdata(file); 1682 int rx, mode; 1683 1684 if (0 != t->index) 1685 return -EINVAL; 1686 1687 mode = dev->thread.mode; 1688 if (UNSET == mode) { 1689 rx = saa7134_tvaudio_getstereo(dev); 1690 mode = saa7134_tvaudio_rx2mode(rx); 1691 } 1692 if (mode != t->audmode) 1693 dev->thread.mode = t->audmode; 1694 1695 return 0; 1696 } 1697 EXPORT_SYMBOL_GPL(saa7134_s_tuner); 1698 1699 int saa7134_g_frequency(struct file *file, void *priv, 1700 struct v4l2_frequency *f) 1701 { 1702 struct saa7134_dev *dev = video_drvdata(file); 1703 1704 if (0 != f->tuner) 1705 return -EINVAL; 1706 1707 saa_call_all(dev, tuner, g_frequency, f); 1708 1709 return 0; 1710 } 1711 EXPORT_SYMBOL_GPL(saa7134_g_frequency); 1712 1713 int saa7134_s_frequency(struct file *file, void *priv, 1714 const struct v4l2_frequency *f) 1715 { 1716 struct saa7134_dev *dev = video_drvdata(file); 1717 1718 if (0 != f->tuner) 1719 return -EINVAL; 1720 1721 saa_call_all(dev, tuner, s_frequency, f); 1722 1723 saa7134_tvaudio_do_scan(dev); 1724 return 0; 1725 } 1726 EXPORT_SYMBOL_GPL(saa7134_s_frequency); 1727 1728 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 1729 struct v4l2_fmtdesc *f) 1730 { 1731 if (f->index >= FORMATS) 1732 return -EINVAL; 1733 1734 strlcpy(f->description, formats[f->index].name, 1735 sizeof(f->description)); 1736 1737 f->pixelformat = formats[f->index].fourcc; 1738 1739 return 0; 1740 } 1741 1742 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 1743 struct v4l2_fmtdesc *f) 1744 { 1745 if (saa7134_no_overlay > 0) { 1746 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1747 return -EINVAL; 1748 } 1749 1750 if ((f->index >= FORMATS) || formats[f->index].planar) 1751 return -EINVAL; 1752 1753 strlcpy(f->description, formats[f->index].name, 1754 sizeof(f->description)); 1755 1756 f->pixelformat = formats[f->index].fourcc; 1757 1758 return 0; 1759 } 1760 1761 static int saa7134_g_fbuf(struct file *file, void *f, 1762 struct v4l2_framebuffer *fb) 1763 { 1764 struct saa7134_dev *dev = video_drvdata(file); 1765 1766 *fb = dev->ovbuf; 1767 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 1768 1769 return 0; 1770 } 1771 1772 static int saa7134_s_fbuf(struct file *file, void *f, 1773 const struct v4l2_framebuffer *fb) 1774 { 1775 struct saa7134_dev *dev = video_drvdata(file); 1776 struct saa7134_format *fmt; 1777 1778 if (!capable(CAP_SYS_ADMIN) && 1779 !capable(CAP_SYS_RAWIO)) 1780 return -EPERM; 1781 1782 /* check args */ 1783 fmt = format_by_fourcc(fb->fmt.pixelformat); 1784 if (NULL == fmt) 1785 return -EINVAL; 1786 1787 /* ok, accept it */ 1788 dev->ovbuf = *fb; 1789 dev->ovfmt = fmt; 1790 if (0 == dev->ovbuf.fmt.bytesperline) 1791 dev->ovbuf.fmt.bytesperline = 1792 dev->ovbuf.fmt.width*fmt->depth/8; 1793 return 0; 1794 } 1795 1796 static int saa7134_overlay(struct file *file, void *priv, unsigned int on) 1797 { 1798 struct saa7134_dev *dev = video_drvdata(file); 1799 unsigned long flags; 1800 1801 if (on) { 1802 if (saa7134_no_overlay > 0) { 1803 dprintk("no_overlay\n"); 1804 return -EINVAL; 1805 } 1806 1807 if (dev->overlay_owner && priv != dev->overlay_owner) 1808 return -EBUSY; 1809 dev->overlay_owner = priv; 1810 spin_lock_irqsave(&dev->slock, flags); 1811 start_preview(dev); 1812 spin_unlock_irqrestore(&dev->slock, flags); 1813 } 1814 if (!on) { 1815 if (priv != dev->overlay_owner) 1816 return -EINVAL; 1817 spin_lock_irqsave(&dev->slock, flags); 1818 stop_preview(dev); 1819 spin_unlock_irqrestore(&dev->slock, flags); 1820 dev->overlay_owner = NULL; 1821 } 1822 return 0; 1823 } 1824 1825 #ifdef CONFIG_VIDEO_ADV_DEBUG 1826 static int vidioc_g_register (struct file *file, void *priv, 1827 struct v4l2_dbg_register *reg) 1828 { 1829 struct saa7134_dev *dev = video_drvdata(file); 1830 1831 reg->val = saa_readb(reg->reg & 0xffffff); 1832 reg->size = 1; 1833 return 0; 1834 } 1835 1836 static int vidioc_s_register (struct file *file, void *priv, 1837 const struct v4l2_dbg_register *reg) 1838 { 1839 struct saa7134_dev *dev = video_drvdata(file); 1840 1841 saa_writeb(reg->reg & 0xffffff, reg->val); 1842 return 0; 1843 } 1844 #endif 1845 1846 static int radio_g_tuner(struct file *file, void *priv, 1847 struct v4l2_tuner *t) 1848 { 1849 struct saa7134_dev *dev = video_drvdata(file); 1850 1851 if (0 != t->index) 1852 return -EINVAL; 1853 1854 strcpy(t->name, "Radio"); 1855 1856 saa_call_all(dev, tuner, g_tuner, t); 1857 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 1858 if (dev->input->amux == TV) { 1859 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 1860 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 1861 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 1862 } 1863 return 0; 1864 } 1865 static int radio_s_tuner(struct file *file, void *priv, 1866 const struct v4l2_tuner *t) 1867 { 1868 struct saa7134_dev *dev = video_drvdata(file); 1869 1870 if (0 != t->index) 1871 return -EINVAL; 1872 1873 saa_call_all(dev, tuner, s_tuner, t); 1874 return 0; 1875 } 1876 1877 static const struct v4l2_file_operations video_fops = 1878 { 1879 .owner = THIS_MODULE, 1880 .open = video_open, 1881 .release = video_release, 1882 .read = vb2_fop_read, 1883 .poll = vb2_fop_poll, 1884 .mmap = vb2_fop_mmap, 1885 .unlocked_ioctl = video_ioctl2, 1886 }; 1887 1888 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1889 .vidioc_querycap = saa7134_querycap, 1890 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 1891 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 1892 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 1893 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 1894 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 1895 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 1896 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 1897 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 1898 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1899 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1900 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1901 .vidioc_cropcap = saa7134_cropcap, 1902 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1903 .vidioc_querybuf = vb2_ioctl_querybuf, 1904 .vidioc_qbuf = vb2_ioctl_qbuf, 1905 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1906 .vidioc_s_std = saa7134_s_std, 1907 .vidioc_g_std = saa7134_g_std, 1908 .vidioc_querystd = saa7134_querystd, 1909 .vidioc_enum_input = saa7134_enum_input, 1910 .vidioc_g_input = saa7134_g_input, 1911 .vidioc_s_input = saa7134_s_input, 1912 .vidioc_streamon = vb2_ioctl_streamon, 1913 .vidioc_streamoff = vb2_ioctl_streamoff, 1914 .vidioc_g_tuner = saa7134_g_tuner, 1915 .vidioc_s_tuner = saa7134_s_tuner, 1916 .vidioc_g_crop = saa7134_g_crop, 1917 .vidioc_s_crop = saa7134_s_crop, 1918 .vidioc_g_fbuf = saa7134_g_fbuf, 1919 .vidioc_s_fbuf = saa7134_s_fbuf, 1920 .vidioc_overlay = saa7134_overlay, 1921 .vidioc_g_frequency = saa7134_g_frequency, 1922 .vidioc_s_frequency = saa7134_s_frequency, 1923 #ifdef CONFIG_VIDEO_ADV_DEBUG 1924 .vidioc_g_register = vidioc_g_register, 1925 .vidioc_s_register = vidioc_s_register, 1926 #endif 1927 .vidioc_log_status = v4l2_ctrl_log_status, 1928 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1929 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1930 }; 1931 1932 static const struct v4l2_file_operations radio_fops = { 1933 .owner = THIS_MODULE, 1934 .open = video_open, 1935 .read = radio_read, 1936 .release = video_release, 1937 .unlocked_ioctl = video_ioctl2, 1938 .poll = radio_poll, 1939 }; 1940 1941 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1942 .vidioc_querycap = saa7134_querycap, 1943 .vidioc_g_tuner = radio_g_tuner, 1944 .vidioc_s_tuner = radio_s_tuner, 1945 .vidioc_g_frequency = saa7134_g_frequency, 1946 .vidioc_s_frequency = saa7134_s_frequency, 1947 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1948 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1949 }; 1950 1951 /* ----------------------------------------------------------- */ 1952 /* exported stuff */ 1953 1954 struct video_device saa7134_video_template = { 1955 .name = "saa7134-video", 1956 .fops = &video_fops, 1957 .ioctl_ops = &video_ioctl_ops, 1958 .tvnorms = SAA7134_NORMS, 1959 }; 1960 1961 struct video_device saa7134_radio_template = { 1962 .name = "saa7134-radio", 1963 .fops = &radio_fops, 1964 .ioctl_ops = &radio_ioctl_ops, 1965 }; 1966 1967 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { 1968 .s_ctrl = saa7134_s_ctrl, 1969 }; 1970 1971 static const struct v4l2_ctrl_config saa7134_ctrl_invert = { 1972 .ops = &saa7134_ctrl_ops, 1973 .id = V4L2_CID_PRIVATE_INVERT, 1974 .name = "Invert", 1975 .type = V4L2_CTRL_TYPE_BOOLEAN, 1976 .min = 0, 1977 .max = 1, 1978 .step = 1, 1979 }; 1980 1981 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { 1982 .ops = &saa7134_ctrl_ops, 1983 .id = V4L2_CID_PRIVATE_Y_ODD, 1984 .name = "Y Offset Odd Field", 1985 .type = V4L2_CTRL_TYPE_INTEGER, 1986 .min = 0, 1987 .max = 128, 1988 .step = 1, 1989 }; 1990 1991 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { 1992 .ops = &saa7134_ctrl_ops, 1993 .id = V4L2_CID_PRIVATE_Y_EVEN, 1994 .name = "Y Offset Even Field", 1995 .type = V4L2_CTRL_TYPE_INTEGER, 1996 .min = 0, 1997 .max = 128, 1998 .step = 1, 1999 }; 2000 2001 static const struct v4l2_ctrl_config saa7134_ctrl_automute = { 2002 .ops = &saa7134_ctrl_ops, 2003 .id = V4L2_CID_PRIVATE_AUTOMUTE, 2004 .name = "Automute", 2005 .type = V4L2_CTRL_TYPE_BOOLEAN, 2006 .min = 0, 2007 .max = 1, 2008 .step = 1, 2009 .def = 1, 2010 }; 2011 2012 int saa7134_video_init1(struct saa7134_dev *dev) 2013 { 2014 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; 2015 struct vb2_queue *q; 2016 int ret; 2017 2018 /* sanitycheck insmod options */ 2019 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2020 gbuffers = 2; 2021 if (gbufsize > gbufsize_max) 2022 gbufsize = gbufsize_max; 2023 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2024 2025 v4l2_ctrl_handler_init(hdl, 11); 2026 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2027 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 2028 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2029 V4L2_CID_CONTRAST, 0, 127, 1, 68); 2030 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2031 V4L2_CID_SATURATION, 0, 127, 1, 64); 2032 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2033 V4L2_CID_HUE, -128, 127, 1, 0); 2034 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2035 V4L2_CID_HFLIP, 0, 1, 1, 0); 2036 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2037 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); 2038 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2039 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); 2040 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); 2041 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); 2042 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); 2043 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); 2044 if (hdl->error) 2045 return hdl->error; 2046 if (card_has_radio(dev)) { 2047 hdl = &dev->radio_ctrl_handler; 2048 v4l2_ctrl_handler_init(hdl, 2); 2049 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, 2050 v4l2_ctrl_radio_filter); 2051 if (hdl->error) 2052 return hdl->error; 2053 } 2054 dev->ctl_mute = 1; 2055 2056 if (dev->tda9887_conf && saa7134_ctrl_automute.def) 2057 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2058 dev->automute = 0; 2059 2060 INIT_LIST_HEAD(&dev->video_q.queue); 2061 init_timer(&dev->video_q.timeout); 2062 dev->video_q.timeout.function = saa7134_buffer_timeout; 2063 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2064 dev->video_q.dev = dev; 2065 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2066 dev->width = 720; 2067 dev->height = 576; 2068 dev->field = V4L2_FIELD_INTERLACED; 2069 dev->win.w.width = dev->width; 2070 dev->win.w.height = dev->height; 2071 dev->win.field = V4L2_FIELD_INTERLACED; 2072 dev->ovbuf.fmt.width = dev->width; 2073 dev->ovbuf.fmt.height = dev->height; 2074 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2075 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2076 2077 if (saa7134_boards[dev->board].video_out) 2078 saa7134_videoport_init(dev); 2079 2080 q = &dev->video_vbq; 2081 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2082 /* 2083 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA 2084 * engine cannot handle transfers that do not start at the beginning 2085 * of a page. A user-provided pointer can start anywhere in a page, so 2086 * USERPTR support is a no-go unless the application knows about these 2087 * limitations and has special support for this. 2088 */ 2089 q->io_modes = VB2_MMAP | VB2_READ; 2090 if (saa7134_userptr) 2091 q->io_modes |= VB2_USERPTR; 2092 q->drv_priv = &dev->video_q; 2093 q->ops = &vb2_qops; 2094 q->gfp_flags = GFP_DMA32; 2095 q->mem_ops = &vb2_dma_sg_memops; 2096 q->buf_struct_size = sizeof(struct saa7134_buf); 2097 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2098 q->lock = &dev->lock; 2099 ret = vb2_queue_init(q); 2100 if (ret) 2101 return ret; 2102 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); 2103 2104 q = &dev->vbi_vbq; 2105 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 2106 /* Don't add VB2_USERPTR, see comment above */ 2107 q->io_modes = VB2_MMAP | VB2_READ; 2108 if (saa7134_userptr) 2109 q->io_modes |= VB2_USERPTR; 2110 q->drv_priv = &dev->vbi_q; 2111 q->ops = &saa7134_vbi_qops; 2112 q->gfp_flags = GFP_DMA32; 2113 q->mem_ops = &vb2_dma_sg_memops; 2114 q->buf_struct_size = sizeof(struct saa7134_buf); 2115 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2116 q->lock = &dev->lock; 2117 ret = vb2_queue_init(q); 2118 if (ret) 2119 return ret; 2120 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); 2121 2122 return 0; 2123 } 2124 2125 void saa7134_video_fini(struct saa7134_dev *dev) 2126 { 2127 /* free stuff */ 2128 vb2_queue_release(&dev->video_vbq); 2129 saa7134_pgtable_free(dev->pci, &dev->video_q.pt); 2130 vb2_queue_release(&dev->vbi_vbq); 2131 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); 2132 v4l2_ctrl_handler_free(&dev->ctrl_handler); 2133 if (card_has_radio(dev)) 2134 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 2135 } 2136 2137 int saa7134_videoport_init(struct saa7134_dev *dev) 2138 { 2139 /* enable video output */ 2140 int vo = saa7134_boards[dev->board].video_out; 2141 int video_reg; 2142 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2143 2144 /* Configure videoport */ 2145 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2146 video_reg = video_out[vo][1]; 2147 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2148 video_reg &= ~VP_T_CODE_P_INVERTED; 2149 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2150 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2151 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2152 video_reg = video_out[vo][5]; 2153 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2154 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2155 if (vid_port_opts & SET_CLOCK_INVERTED) 2156 video_reg |= VP_CLK_CTRL1_INVERTED; 2157 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2158 video_reg = video_out[vo][6]; 2159 if (vid_port_opts & SET_VSYNC_OFF) { 2160 video_reg &= ~VP_VS_TYPE_MASK; 2161 video_reg |= VP_VS_TYPE_OFF; 2162 } 2163 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2164 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2165 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2166 2167 /* Start videoport */ 2168 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2169 2170 return 0; 2171 } 2172 2173 int saa7134_video_init2(struct saa7134_dev *dev) 2174 { 2175 /* init video hw */ 2176 set_tvnorm(dev,&tvnorms[0]); 2177 video_mux(dev,0); 2178 v4l2_ctrl_handler_setup(&dev->ctrl_handler); 2179 saa7134_tvaudio_setmute(dev); 2180 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2181 return 0; 2182 } 2183 2184 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2185 { 2186 static const char *st[] = { 2187 "(no signal)", "NTSC", "PAL", "SECAM" }; 2188 u32 st1,st2; 2189 2190 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2191 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2192 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", 2193 (st1 & 0x40) ? "not locked" : "locked", 2194 (st2 & 0x40) ? "no" : "yes", 2195 st[st1 & 0x03]); 2196 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2197 2198 if (dev->nosignal) { 2199 /* no video signal -> mute audio */ 2200 if (dev->ctl_automute) 2201 dev->automute = 1; 2202 saa7134_tvaudio_setmute(dev); 2203 } else { 2204 /* wake up tvaudio audio carrier scan thread */ 2205 saa7134_tvaudio_do_scan(dev); 2206 } 2207 2208 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2209 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2210 else 2211 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2212 2213 if (dev->mops && dev->mops->signal_change) 2214 dev->mops->signal_change(dev); 2215 } 2216 2217 2218 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2219 { 2220 enum v4l2_field field; 2221 2222 spin_lock(&dev->slock); 2223 if (dev->video_q.curr) { 2224 field = dev->field; 2225 if (V4L2_FIELD_HAS_BOTH(field)) { 2226 /* make sure we have seen both fields */ 2227 if ((status & 0x10) == 0x00) { 2228 dev->video_q.curr->top_seen = 1; 2229 goto done; 2230 } 2231 if (!dev->video_q.curr->top_seen) 2232 goto done; 2233 } else if (field == V4L2_FIELD_TOP) { 2234 if ((status & 0x10) != 0x10) 2235 goto done; 2236 } else if (field == V4L2_FIELD_BOTTOM) { 2237 if ((status & 0x10) != 0x00) 2238 goto done; 2239 } 2240 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); 2241 } 2242 saa7134_buffer_next(dev, &dev->video_q); 2243 2244 done: 2245 spin_unlock(&dev->slock); 2246 } 2247