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", 413 input, saa7134_input_name[card_in(dev, input).type]); 414 dev->ctl_input = input; 415 set_tvnorm(dev, dev->tvnorm); 416 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 417 } 418 419 420 static void saa7134_set_decoder(struct saa7134_dev *dev) 421 { 422 int luma_control, sync_control, chroma_ctrl1, mux; 423 424 struct saa7134_tvnorm *norm = dev->tvnorm; 425 mux = card_in(dev, dev->ctl_input).vmux; 426 427 luma_control = norm->luma_control; 428 sync_control = norm->sync_control; 429 chroma_ctrl1 = norm->chroma_ctrl1; 430 431 if (mux > 5) 432 luma_control |= 0x80; /* svideo */ 433 if (noninterlaced || dev->nosignal) 434 sync_control |= 0x20; 435 436 /* switch on auto standard detection */ 437 sync_control |= SAA7134_SYNC_CTRL_AUFD; 438 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0; 439 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC; 440 luma_control &= ~SAA7134_LUMA_CTRL_LDEL; 441 442 /* setup video decoder */ 443 saa_writeb(SAA7134_INCR_DELAY, 0x08); 444 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 445 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 446 447 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 448 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 449 saa_writeb(SAA7134_HSYNC_START, 0xeb); 450 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 451 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 452 453 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 454 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 455 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 456 457 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 458 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 459 460 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 461 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 462 463 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 464 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); 465 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 466 467 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 468 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 469 470 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 471 saa_writeb(SAA7134_VGATE_START, 0x11); 472 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 473 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 474 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 475 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 476 } 477 478 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 479 { 480 saa7134_set_decoder(dev); 481 482 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 * Media Controller helper functions 790 */ 791 792 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) 793 { 794 #ifdef CONFIG_MEDIA_CONTROLLER 795 struct media_device *mdev = dev->media_dev; 796 struct media_entity *source; 797 struct media_link *link, *found_link = NULL; 798 int ret, active_links = 0; 799 800 if (!mdev || !dev->decoder) 801 return 0; 802 803 /* 804 * This will find the tuner that is connected into the decoder. 805 * Technically, this is not 100% correct, as the device may be 806 * using an analog input instead of the tuner. However, as we can't 807 * do DVB streaming while the DMA engine is being used for V4L2, 808 * this should be enough for the actual needs. 809 */ 810 list_for_each_entry(link, &dev->decoder->links, list) { 811 if (link->sink->entity == dev->decoder) { 812 found_link = link; 813 if (link->flags & MEDIA_LNK_FL_ENABLED) 814 active_links++; 815 break; 816 } 817 } 818 819 if (active_links == 1 || !found_link) 820 return 0; 821 822 source = found_link->source->entity; 823 list_for_each_entry(link, &source->links, list) { 824 struct media_entity *sink; 825 int flags = 0; 826 827 sink = link->sink->entity; 828 829 if (sink == dev->decoder) 830 flags = MEDIA_LNK_FL_ENABLED; 831 832 ret = media_entity_setup_link(link, flags); 833 if (ret) { 834 pr_err("Couldn't change link %s->%s to %s. Error %d\n", 835 source->name, sink->name, 836 flags ? "enabled" : "disabled", 837 ret); 838 return ret; 839 } 840 } 841 #endif 842 return 0; 843 } 844 845 /* ------------------------------------------------------------------ */ 846 847 static int buffer_activate(struct saa7134_dev *dev, 848 struct saa7134_buf *buf, 849 struct saa7134_buf *next) 850 { 851 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv; 852 unsigned long base,control,bpl; 853 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 854 855 video_dbg("buffer_activate buf=%p\n", buf); 856 buf->top_seen = 0; 857 858 set_size(dev, TASK_A, dev->width, dev->height, 859 V4L2_FIELD_HAS_BOTH(dev->field)); 860 if (dev->fmt->yuv) 861 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 862 else 863 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 864 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm); 865 866 /* DMA: setup channel 0 (= Video Task A0) */ 867 base = saa7134_buffer_base(buf); 868 if (dev->fmt->planar) 869 bpl = dev->width; 870 else 871 bpl = (dev->width * dev->fmt->depth) / 8; 872 control = SAA7134_RS_CONTROL_BURST_16 | 873 SAA7134_RS_CONTROL_ME | 874 (dmaq->pt.dma >> 12); 875 if (dev->fmt->bswap) 876 control |= SAA7134_RS_CONTROL_BSWAP; 877 if (dev->fmt->wswap) 878 control |= SAA7134_RS_CONTROL_WSWAP; 879 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 880 /* interlaced */ 881 saa_writel(SAA7134_RS_BA1(0),base); 882 saa_writel(SAA7134_RS_BA2(0),base+bpl); 883 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 884 } else { 885 /* non-interlaced */ 886 saa_writel(SAA7134_RS_BA1(0),base); 887 saa_writel(SAA7134_RS_BA2(0),base); 888 saa_writel(SAA7134_RS_PITCH(0),bpl); 889 } 890 saa_writel(SAA7134_RS_CONTROL(0),control); 891 892 if (dev->fmt->planar) { 893 /* DMA: setup channel 4+5 (= planar task A) */ 894 bpl_uv = bpl >> dev->fmt->hshift; 895 lines_uv = dev->height >> dev->fmt->vshift; 896 base2 = base + bpl * dev->height; 897 base3 = base2 + bpl_uv * lines_uv; 898 if (dev->fmt->uvswap) 899 tmp = base2, base2 = base3, base3 = tmp; 900 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 901 bpl_uv,lines_uv,base2,base3); 902 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 903 /* interlaced */ 904 saa_writel(SAA7134_RS_BA1(4),base2); 905 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 906 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 907 saa_writel(SAA7134_RS_BA1(5),base3); 908 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 909 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 910 } else { 911 /* non-interlaced */ 912 saa_writel(SAA7134_RS_BA1(4),base2); 913 saa_writel(SAA7134_RS_BA2(4),base2); 914 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 915 saa_writel(SAA7134_RS_BA1(5),base3); 916 saa_writel(SAA7134_RS_BA2(5),base3); 917 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 918 } 919 saa_writel(SAA7134_RS_CONTROL(4),control); 920 saa_writel(SAA7134_RS_CONTROL(5),control); 921 } 922 923 /* start DMA */ 924 saa7134_set_dmabits(dev); 925 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT); 926 return 0; 927 } 928 929 static int buffer_init(struct vb2_buffer *vb2) 930 { 931 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 932 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 933 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 934 935 dmaq->curr = NULL; 936 buf->activate = buffer_activate; 937 return 0; 938 } 939 940 static int buffer_prepare(struct vb2_buffer *vb2) 941 { 942 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 943 struct saa7134_dev *dev = dmaq->dev; 944 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 945 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 946 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0); 947 unsigned int size; 948 949 if (dma->sgl->offset) { 950 pr_err("The buffer is not page-aligned\n"); 951 return -EINVAL; 952 } 953 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 954 if (vb2_plane_size(vb2, 0) < size) 955 return -EINVAL; 956 957 vb2_set_plane_payload(vb2, 0, size); 958 vbuf->field = dev->field; 959 960 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, 961 saa7134_buffer_startpage(buf)); 962 } 963 964 static int queue_setup(struct vb2_queue *q, 965 unsigned int *nbuffers, unsigned int *nplanes, 966 unsigned int sizes[], void *alloc_ctxs[]) 967 { 968 struct saa7134_dmaqueue *dmaq = q->drv_priv; 969 struct saa7134_dev *dev = dmaq->dev; 970 int size = dev->fmt->depth * dev->width * dev->height >> 3; 971 972 if (dev->width < 48 || 973 dev->height < 32 || 974 dev->width/4 > dev->crop_current.width || 975 dev->height/4 > dev->crop_current.height || 976 dev->width > dev->crop_bounds.width || 977 dev->height > dev->crop_bounds.height) 978 return -EINVAL; 979 980 *nbuffers = saa7134_buffer_count(size, *nbuffers); 981 *nplanes = 1; 982 sizes[0] = size; 983 alloc_ctxs[0] = dev->alloc_ctx; 984 985 saa7134_enable_analog_tuner(dev); 986 987 return 0; 988 } 989 990 /* 991 * move buffer to hardware queue 992 */ 993 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) 994 { 995 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; 996 struct saa7134_dev *dev = dmaq->dev; 997 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 998 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 999 1000 saa7134_buffer_queue(dev, dmaq, buf); 1001 } 1002 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); 1003 1004 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) 1005 { 1006 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 1007 struct saa7134_dev *dev = dmaq->dev; 1008 1009 /* 1010 * Planar video capture and TS share the same DMA channel, 1011 * so only one can be active at a time. 1012 */ 1013 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && 1014 dmaq == &dev->video_q && dev->fmt->planar) { 1015 struct saa7134_buf *buf, *tmp; 1016 1017 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { 1018 list_del(&buf->entry); 1019 vb2_buffer_done(&buf->vb2.vb2_buf, 1020 VB2_BUF_STATE_QUEUED); 1021 } 1022 if (dmaq->curr) { 1023 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf, 1024 VB2_BUF_STATE_QUEUED); 1025 dmaq->curr = NULL; 1026 } 1027 return -EBUSY; 1028 } 1029 1030 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 1031 * configured conservatively, there's 22 usec of buffering for video. 1032 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 1033 * margin in case the FIFO is configured differently to the datasheet. 1034 * Unfortunately, I lack register-level documentation to check the 1035 * Linux FIFO setup and confirm the perfect value. 1036 */ 1037 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 1038 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 1039 pm_qos_add_request(&dev->qos_request, 1040 PM_QOS_CPU_DMA_LATENCY, 20); 1041 dmaq->seq_nr = 0; 1042 1043 return 0; 1044 } 1045 1046 void saa7134_vb2_stop_streaming(struct vb2_queue *vq) 1047 { 1048 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 1049 struct saa7134_dev *dev = dmaq->dev; 1050 1051 saa7134_stop_streaming(dev, dmaq); 1052 1053 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 1054 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 1055 pm_qos_remove_request(&dev->qos_request); 1056 } 1057 1058 static struct vb2_ops vb2_qops = { 1059 .queue_setup = queue_setup, 1060 .buf_init = buffer_init, 1061 .buf_prepare = buffer_prepare, 1062 .buf_queue = saa7134_vb2_buffer_queue, 1063 .wait_prepare = vb2_ops_wait_prepare, 1064 .wait_finish = vb2_ops_wait_finish, 1065 .start_streaming = saa7134_vb2_start_streaming, 1066 .stop_streaming = saa7134_vb2_stop_streaming, 1067 }; 1068 1069 /* ------------------------------------------------------------------ */ 1070 1071 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) 1072 { 1073 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); 1074 unsigned long flags; 1075 int restart_overlay = 0; 1076 1077 switch (ctrl->id) { 1078 case V4L2_CID_BRIGHTNESS: 1079 dev->ctl_bright = ctrl->val; 1080 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); 1081 break; 1082 case V4L2_CID_HUE: 1083 dev->ctl_hue = ctrl->val; 1084 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); 1085 break; 1086 case V4L2_CID_CONTRAST: 1087 dev->ctl_contrast = ctrl->val; 1088 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1089 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1090 break; 1091 case V4L2_CID_SATURATION: 1092 dev->ctl_saturation = ctrl->val; 1093 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1094 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1095 break; 1096 case V4L2_CID_AUDIO_MUTE: 1097 dev->ctl_mute = ctrl->val; 1098 saa7134_tvaudio_setmute(dev); 1099 break; 1100 case V4L2_CID_AUDIO_VOLUME: 1101 dev->ctl_volume = ctrl->val; 1102 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1103 break; 1104 case V4L2_CID_PRIVATE_INVERT: 1105 dev->ctl_invert = ctrl->val; 1106 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1107 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1108 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1109 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1110 break; 1111 case V4L2_CID_HFLIP: 1112 dev->ctl_mirror = ctrl->val; 1113 restart_overlay = 1; 1114 break; 1115 case V4L2_CID_PRIVATE_Y_EVEN: 1116 dev->ctl_y_even = ctrl->val; 1117 restart_overlay = 1; 1118 break; 1119 case V4L2_CID_PRIVATE_Y_ODD: 1120 dev->ctl_y_odd = ctrl->val; 1121 restart_overlay = 1; 1122 break; 1123 case V4L2_CID_PRIVATE_AUTOMUTE: 1124 { 1125 struct v4l2_priv_tun_config tda9887_cfg; 1126 1127 tda9887_cfg.tuner = TUNER_TDA9887; 1128 tda9887_cfg.priv = &dev->tda9887_conf; 1129 1130 dev->ctl_automute = ctrl->val; 1131 if (dev->tda9887_conf) { 1132 if (dev->ctl_automute) 1133 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1134 else 1135 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1136 1137 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1138 } 1139 break; 1140 } 1141 default: 1142 return -EINVAL; 1143 } 1144 if (restart_overlay && dev->overlay_owner) { 1145 spin_lock_irqsave(&dev->slock, flags); 1146 stop_preview(dev); 1147 start_preview(dev); 1148 spin_unlock_irqrestore(&dev->slock, flags); 1149 } 1150 return 0; 1151 } 1152 1153 /* ------------------------------------------------------------------ */ 1154 1155 static int video_open(struct file *file) 1156 { 1157 struct video_device *vdev = video_devdata(file); 1158 struct saa7134_dev *dev = video_drvdata(file); 1159 int ret = v4l2_fh_open(file); 1160 1161 if (ret < 0) 1162 return ret; 1163 1164 mutex_lock(&dev->lock); 1165 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1166 /* switch to radio mode */ 1167 saa7134_tvaudio_setinput(dev, &card(dev).radio); 1168 saa_call_all(dev, tuner, s_radio); 1169 } else { 1170 /* switch to video/vbi mode */ 1171 video_mux(dev, dev->ctl_input); 1172 } 1173 mutex_unlock(&dev->lock); 1174 1175 return 0; 1176 } 1177 1178 static int video_release(struct file *file) 1179 { 1180 struct video_device *vdev = video_devdata(file); 1181 struct saa7134_dev *dev = video_drvdata(file); 1182 struct v4l2_fh *fh = file->private_data; 1183 struct saa6588_command cmd; 1184 unsigned long flags; 1185 1186 mutex_lock(&dev->lock); 1187 saa7134_tvaudio_close(dev); 1188 1189 /* turn off overlay */ 1190 if (fh == dev->overlay_owner) { 1191 spin_lock_irqsave(&dev->slock,flags); 1192 stop_preview(dev); 1193 spin_unlock_irqrestore(&dev->slock,flags); 1194 dev->overlay_owner = NULL; 1195 } 1196 1197 if (vdev->vfl_type == VFL_TYPE_RADIO) 1198 v4l2_fh_release(file); 1199 else 1200 _vb2_fop_release(file, NULL); 1201 1202 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1203 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1204 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1205 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1206 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1207 1208 saa_call_all(dev, core, s_power, 0); 1209 if (vdev->vfl_type == VFL_TYPE_RADIO) 1210 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1211 mutex_unlock(&dev->lock); 1212 1213 return 0; 1214 } 1215 1216 static ssize_t radio_read(struct file *file, char __user *data, 1217 size_t count, loff_t *ppos) 1218 { 1219 struct saa7134_dev *dev = video_drvdata(file); 1220 struct saa6588_command cmd; 1221 1222 cmd.block_count = count/3; 1223 cmd.nonblocking = file->f_flags & O_NONBLOCK; 1224 cmd.buffer = data; 1225 cmd.instance = file; 1226 cmd.result = -ENODEV; 1227 1228 mutex_lock(&dev->lock); 1229 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1230 mutex_unlock(&dev->lock); 1231 1232 return cmd.result; 1233 } 1234 1235 static unsigned int radio_poll(struct file *file, poll_table *wait) 1236 { 1237 struct saa7134_dev *dev = video_drvdata(file); 1238 struct saa6588_command cmd; 1239 unsigned int rc = v4l2_ctrl_poll(file, wait); 1240 1241 cmd.instance = file; 1242 cmd.event_list = wait; 1243 cmd.result = 0; 1244 mutex_lock(&dev->lock); 1245 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1246 mutex_unlock(&dev->lock); 1247 1248 return rc | cmd.result; 1249 } 1250 1251 /* ------------------------------------------------------------------ */ 1252 1253 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1254 struct v4l2_format *f) 1255 { 1256 struct saa7134_dev *dev = video_drvdata(file); 1257 struct saa7134_tvnorm *norm = dev->tvnorm; 1258 1259 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1260 f->fmt.vbi.sampling_rate = 6750000 * 4; 1261 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1262 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1263 f->fmt.vbi.offset = 64 * 4; 1264 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1265 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1266 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1267 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1268 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1269 1270 return 0; 1271 } 1272 1273 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1274 struct v4l2_format *f) 1275 { 1276 struct saa7134_dev *dev = video_drvdata(file); 1277 1278 f->fmt.pix.width = dev->width; 1279 f->fmt.pix.height = dev->height; 1280 f->fmt.pix.field = dev->field; 1281 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1282 f->fmt.pix.bytesperline = 1283 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1284 f->fmt.pix.sizeimage = 1285 f->fmt.pix.height * f->fmt.pix.bytesperline; 1286 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1287 return 0; 1288 } 1289 1290 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1291 struct v4l2_format *f) 1292 { 1293 struct saa7134_dev *dev = video_drvdata(file); 1294 struct v4l2_clip __user *clips = f->fmt.win.clips; 1295 u32 clipcount = f->fmt.win.clipcount; 1296 int err = 0; 1297 int i; 1298 1299 if (saa7134_no_overlay > 0) { 1300 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1301 return -EINVAL; 1302 } 1303 f->fmt.win = dev->win; 1304 f->fmt.win.clips = clips; 1305 if (clips == NULL) 1306 clipcount = 0; 1307 if (dev->nclips < clipcount) 1308 clipcount = dev->nclips; 1309 f->fmt.win.clipcount = clipcount; 1310 1311 for (i = 0; !err && i < clipcount; i++) { 1312 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1313 sizeof(struct v4l2_rect))) 1314 err = -EFAULT; 1315 } 1316 1317 return err; 1318 } 1319 1320 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1321 struct v4l2_format *f) 1322 { 1323 struct saa7134_dev *dev = video_drvdata(file); 1324 struct saa7134_format *fmt; 1325 enum v4l2_field field; 1326 unsigned int maxw, maxh; 1327 1328 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1329 if (NULL == fmt) 1330 return -EINVAL; 1331 1332 field = f->fmt.pix.field; 1333 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1334 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1335 1336 if (V4L2_FIELD_ANY == field) { 1337 field = (f->fmt.pix.height > maxh/2) 1338 ? V4L2_FIELD_INTERLACED 1339 : V4L2_FIELD_BOTTOM; 1340 } 1341 switch (field) { 1342 case V4L2_FIELD_TOP: 1343 case V4L2_FIELD_BOTTOM: 1344 maxh = maxh / 2; 1345 break; 1346 default: 1347 field = V4L2_FIELD_INTERLACED; 1348 break; 1349 } 1350 1351 f->fmt.pix.field = field; 1352 if (f->fmt.pix.width < 48) 1353 f->fmt.pix.width = 48; 1354 if (f->fmt.pix.height < 32) 1355 f->fmt.pix.height = 32; 1356 if (f->fmt.pix.width > maxw) 1357 f->fmt.pix.width = maxw; 1358 if (f->fmt.pix.height > maxh) 1359 f->fmt.pix.height = maxh; 1360 f->fmt.pix.width &= ~0x03; 1361 f->fmt.pix.bytesperline = 1362 (f->fmt.pix.width * fmt->depth) >> 3; 1363 f->fmt.pix.sizeimage = 1364 f->fmt.pix.height * f->fmt.pix.bytesperline; 1365 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1366 1367 return 0; 1368 } 1369 1370 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1371 struct v4l2_format *f) 1372 { 1373 struct saa7134_dev *dev = video_drvdata(file); 1374 1375 if (saa7134_no_overlay > 0) { 1376 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1377 return -EINVAL; 1378 } 1379 1380 if (f->fmt.win.clips == NULL) 1381 f->fmt.win.clipcount = 0; 1382 return verify_preview(dev, &f->fmt.win, true); 1383 } 1384 1385 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1386 struct v4l2_format *f) 1387 { 1388 struct saa7134_dev *dev = video_drvdata(file); 1389 int err; 1390 1391 err = saa7134_try_fmt_vid_cap(file, priv, f); 1392 if (0 != err) 1393 return err; 1394 1395 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1396 dev->width = f->fmt.pix.width; 1397 dev->height = f->fmt.pix.height; 1398 dev->field = f->fmt.pix.field; 1399 return 0; 1400 } 1401 1402 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1403 struct v4l2_format *f) 1404 { 1405 struct saa7134_dev *dev = video_drvdata(file); 1406 int err; 1407 unsigned long flags; 1408 1409 if (saa7134_no_overlay > 0) { 1410 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1411 return -EINVAL; 1412 } 1413 if (f->fmt.win.clips == NULL) 1414 f->fmt.win.clipcount = 0; 1415 err = verify_preview(dev, &f->fmt.win, true); 1416 if (0 != err) 1417 return err; 1418 1419 dev->win = f->fmt.win; 1420 dev->nclips = f->fmt.win.clipcount; 1421 1422 if (copy_from_user(dev->clips, f->fmt.win.clips, 1423 sizeof(struct v4l2_clip) * dev->nclips)) 1424 return -EFAULT; 1425 1426 if (priv == dev->overlay_owner) { 1427 spin_lock_irqsave(&dev->slock, flags); 1428 stop_preview(dev); 1429 start_preview(dev); 1430 spin_unlock_irqrestore(&dev->slock, flags); 1431 } 1432 1433 return 0; 1434 } 1435 1436 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1437 { 1438 struct saa7134_dev *dev = video_drvdata(file); 1439 unsigned int n; 1440 1441 n = i->index; 1442 if (n >= SAA7134_INPUT_MAX) 1443 return -EINVAL; 1444 if (card_in(dev, i->index).type == SAA7134_NO_INPUT) 1445 return -EINVAL; 1446 i->index = n; 1447 strcpy(i->name, saa7134_input_name[card_in(dev, n).type]); 1448 switch (card_in(dev, n).type) { 1449 case SAA7134_INPUT_TV: 1450 case SAA7134_INPUT_TV_MONO: 1451 i->type = V4L2_INPUT_TYPE_TUNER; 1452 break; 1453 default: 1454 i->type = V4L2_INPUT_TYPE_CAMERA; 1455 break; 1456 } 1457 if (n == dev->ctl_input) { 1458 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1459 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1460 1461 if (0 != (v1 & 0x40)) 1462 i->status |= V4L2_IN_ST_NO_H_LOCK; 1463 if (0 != (v2 & 0x40)) 1464 i->status |= V4L2_IN_ST_NO_SIGNAL; 1465 if (0 != (v2 & 0x0e)) 1466 i->status |= V4L2_IN_ST_MACROVISION; 1467 } 1468 i->std = SAA7134_NORMS; 1469 return 0; 1470 } 1471 EXPORT_SYMBOL_GPL(saa7134_enum_input); 1472 1473 int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1474 { 1475 struct saa7134_dev *dev = video_drvdata(file); 1476 1477 *i = dev->ctl_input; 1478 return 0; 1479 } 1480 EXPORT_SYMBOL_GPL(saa7134_g_input); 1481 1482 int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1483 { 1484 struct saa7134_dev *dev = video_drvdata(file); 1485 1486 if (i >= SAA7134_INPUT_MAX) 1487 return -EINVAL; 1488 if (card_in(dev, i).type == SAA7134_NO_INPUT) 1489 return -EINVAL; 1490 video_mux(dev, i); 1491 return 0; 1492 } 1493 EXPORT_SYMBOL_GPL(saa7134_s_input); 1494 1495 int saa7134_querycap(struct file *file, void *priv, 1496 struct v4l2_capability *cap) 1497 { 1498 struct saa7134_dev *dev = video_drvdata(file); 1499 struct video_device *vdev = video_devdata(file); 1500 u32 radio_caps, video_caps, vbi_caps; 1501 1502 unsigned int tuner_type = dev->tuner_type; 1503 1504 strcpy(cap->driver, "saa7134"); 1505 strlcpy(cap->card, saa7134_boards[dev->board].name, 1506 sizeof(cap->card)); 1507 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1508 1509 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1510 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1511 cap->device_caps |= V4L2_CAP_TUNER; 1512 1513 radio_caps = V4L2_CAP_RADIO; 1514 if (dev->has_rds) 1515 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1516 1517 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1518 if (saa7134_no_overlay <= 0 && !is_empress(file)) 1519 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1520 1521 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1522 1523 switch (vdev->vfl_type) { 1524 case VFL_TYPE_RADIO: 1525 cap->device_caps |= radio_caps; 1526 break; 1527 case VFL_TYPE_GRABBER: 1528 cap->device_caps |= video_caps; 1529 break; 1530 case VFL_TYPE_VBI: 1531 cap->device_caps |= vbi_caps; 1532 break; 1533 } 1534 cap->capabilities = radio_caps | video_caps | vbi_caps | 1535 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1536 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1537 cap->device_caps &= ~V4L2_CAP_STREAMING; 1538 if (!dev->has_rds) 1539 cap->device_caps &= ~V4L2_CAP_READWRITE; 1540 } 1541 1542 return 0; 1543 } 1544 EXPORT_SYMBOL_GPL(saa7134_querycap); 1545 1546 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1547 { 1548 struct saa7134_dev *dev = video_drvdata(file); 1549 struct v4l2_fh *fh = priv; 1550 unsigned long flags; 1551 unsigned int i; 1552 v4l2_std_id fixup; 1553 1554 if (is_empress(file) && dev->overlay_owner) { 1555 /* Don't change the std from the mpeg device 1556 if overlay is active. */ 1557 return -EBUSY; 1558 } 1559 1560 for (i = 0; i < TVNORMS; i++) 1561 if (id == tvnorms[i].id) 1562 break; 1563 1564 if (i == TVNORMS) 1565 for (i = 0; i < TVNORMS; i++) 1566 if (id & tvnorms[i].id) 1567 break; 1568 if (i == TVNORMS) 1569 return -EINVAL; 1570 1571 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1572 if (secam[0] == 'L' || secam[0] == 'l') { 1573 if (secam[1] == 'C' || secam[1] == 'c') 1574 fixup = V4L2_STD_SECAM_LC; 1575 else 1576 fixup = V4L2_STD_SECAM_L; 1577 } else { 1578 if (secam[0] == 'D' || secam[0] == 'd') 1579 fixup = V4L2_STD_SECAM_DK; 1580 else 1581 fixup = V4L2_STD_SECAM; 1582 } 1583 for (i = 0; i < TVNORMS; i++) { 1584 if (fixup == tvnorms[i].id) 1585 break; 1586 } 1587 if (i == TVNORMS) 1588 return -EINVAL; 1589 } 1590 1591 id = tvnorms[i].id; 1592 1593 if (!is_empress(file) && fh == dev->overlay_owner) { 1594 spin_lock_irqsave(&dev->slock, flags); 1595 stop_preview(dev); 1596 spin_unlock_irqrestore(&dev->slock, flags); 1597 1598 set_tvnorm(dev, &tvnorms[i]); 1599 1600 spin_lock_irqsave(&dev->slock, flags); 1601 start_preview(dev); 1602 spin_unlock_irqrestore(&dev->slock, flags); 1603 } else 1604 set_tvnorm(dev, &tvnorms[i]); 1605 1606 saa7134_tvaudio_do_scan(dev); 1607 return 0; 1608 } 1609 EXPORT_SYMBOL_GPL(saa7134_s_std); 1610 1611 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1612 { 1613 struct saa7134_dev *dev = video_drvdata(file); 1614 1615 *id = dev->tvnorm->id; 1616 return 0; 1617 } 1618 EXPORT_SYMBOL_GPL(saa7134_g_std); 1619 1620 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) 1621 { 1622 static v4l2_std_id stds[] = { 1623 V4L2_STD_UNKNOWN, 1624 V4L2_STD_NTSC, 1625 V4L2_STD_PAL, 1626 V4L2_STD_SECAM }; 1627 1628 v4l2_std_id result = 0; 1629 1630 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1631 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1632 1633 if (!(st2 & 0x1)) /* RDCAP == 0 */ 1634 result = V4L2_STD_UNKNOWN; 1635 else 1636 result = stds[st1 & 0x03]; 1637 1638 return result; 1639 } 1640 1641 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) 1642 { 1643 struct saa7134_dev *dev = video_drvdata(file); 1644 *std &= saa7134_read_std(dev); 1645 return 0; 1646 } 1647 EXPORT_SYMBOL_GPL(saa7134_querystd); 1648 1649 static int saa7134_cropcap(struct file *file, void *priv, 1650 struct v4l2_cropcap *cap) 1651 { 1652 struct saa7134_dev *dev = video_drvdata(file); 1653 1654 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1655 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1656 return -EINVAL; 1657 cap->bounds = dev->crop_bounds; 1658 cap->defrect = dev->crop_defrect; 1659 cap->pixelaspect.numerator = 1; 1660 cap->pixelaspect.denominator = 1; 1661 if (dev->tvnorm->id & V4L2_STD_525_60) { 1662 cap->pixelaspect.numerator = 11; 1663 cap->pixelaspect.denominator = 10; 1664 } 1665 if (dev->tvnorm->id & V4L2_STD_625_50) { 1666 cap->pixelaspect.numerator = 54; 1667 cap->pixelaspect.denominator = 59; 1668 } 1669 return 0; 1670 } 1671 1672 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) 1673 { 1674 struct saa7134_dev *dev = video_drvdata(file); 1675 1676 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1677 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1678 return -EINVAL; 1679 crop->c = dev->crop_current; 1680 return 0; 1681 } 1682 1683 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) 1684 { 1685 struct saa7134_dev *dev = video_drvdata(file); 1686 struct v4l2_rect *b = &dev->crop_bounds; 1687 struct v4l2_rect *c = &dev->crop_current; 1688 1689 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1690 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1691 return -EINVAL; 1692 1693 if (dev->overlay_owner) 1694 return -EBUSY; 1695 if (vb2_is_streaming(&dev->video_vbq)) 1696 return -EBUSY; 1697 1698 *c = crop->c; 1699 if (c->top < b->top) 1700 c->top = b->top; 1701 if (c->top > b->top + b->height) 1702 c->top = b->top + b->height; 1703 if (c->height > b->top - c->top + b->height) 1704 c->height = b->top - c->top + b->height; 1705 1706 if (c->left < b->left) 1707 c->left = b->left; 1708 if (c->left > b->left + b->width) 1709 c->left = b->left + b->width; 1710 if (c->width > b->left - c->left + b->width) 1711 c->width = b->left - c->left + b->width; 1712 return 0; 1713 } 1714 1715 int saa7134_g_tuner(struct file *file, void *priv, 1716 struct v4l2_tuner *t) 1717 { 1718 struct saa7134_dev *dev = video_drvdata(file); 1719 int n; 1720 1721 if (0 != t->index) 1722 return -EINVAL; 1723 memset(t, 0, sizeof(*t)); 1724 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 1725 if (card_in(dev, n).type == SAA7134_INPUT_TV || 1726 card_in(dev, n).type == SAA7134_INPUT_TV_MONO) 1727 break; 1728 } 1729 if (n == SAA7134_INPUT_MAX) 1730 return -EINVAL; 1731 if (card_in(dev, n).type != SAA7134_NO_INPUT) { 1732 strcpy(t->name, "Television"); 1733 t->type = V4L2_TUNER_ANALOG_TV; 1734 saa_call_all(dev, tuner, g_tuner, t); 1735 t->capability = V4L2_TUNER_CAP_NORM | 1736 V4L2_TUNER_CAP_STEREO | 1737 V4L2_TUNER_CAP_LANG1 | 1738 V4L2_TUNER_CAP_LANG2; 1739 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 1740 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 1741 } 1742 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 1743 t->signal = 0xffff; 1744 return 0; 1745 } 1746 EXPORT_SYMBOL_GPL(saa7134_g_tuner); 1747 1748 int saa7134_s_tuner(struct file *file, void *priv, 1749 const struct v4l2_tuner *t) 1750 { 1751 struct saa7134_dev *dev = video_drvdata(file); 1752 int rx, mode; 1753 1754 if (0 != t->index) 1755 return -EINVAL; 1756 1757 mode = dev->thread.mode; 1758 if (UNSET == mode) { 1759 rx = saa7134_tvaudio_getstereo(dev); 1760 mode = saa7134_tvaudio_rx2mode(rx); 1761 } 1762 if (mode != t->audmode) 1763 dev->thread.mode = t->audmode; 1764 1765 return 0; 1766 } 1767 EXPORT_SYMBOL_GPL(saa7134_s_tuner); 1768 1769 int saa7134_g_frequency(struct file *file, void *priv, 1770 struct v4l2_frequency *f) 1771 { 1772 struct saa7134_dev *dev = video_drvdata(file); 1773 1774 if (0 != f->tuner) 1775 return -EINVAL; 1776 1777 saa_call_all(dev, tuner, g_frequency, f); 1778 1779 return 0; 1780 } 1781 EXPORT_SYMBOL_GPL(saa7134_g_frequency); 1782 1783 int saa7134_s_frequency(struct file *file, void *priv, 1784 const struct v4l2_frequency *f) 1785 { 1786 struct saa7134_dev *dev = video_drvdata(file); 1787 1788 if (0 != f->tuner) 1789 return -EINVAL; 1790 1791 saa_call_all(dev, tuner, s_frequency, f); 1792 1793 saa7134_tvaudio_do_scan(dev); 1794 return 0; 1795 } 1796 EXPORT_SYMBOL_GPL(saa7134_s_frequency); 1797 1798 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 1799 struct v4l2_fmtdesc *f) 1800 { 1801 if (f->index >= FORMATS) 1802 return -EINVAL; 1803 1804 strlcpy(f->description, formats[f->index].name, 1805 sizeof(f->description)); 1806 1807 f->pixelformat = formats[f->index].fourcc; 1808 1809 return 0; 1810 } 1811 1812 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 1813 struct v4l2_fmtdesc *f) 1814 { 1815 if (saa7134_no_overlay > 0) { 1816 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1817 return -EINVAL; 1818 } 1819 1820 if ((f->index >= FORMATS) || formats[f->index].planar) 1821 return -EINVAL; 1822 1823 strlcpy(f->description, formats[f->index].name, 1824 sizeof(f->description)); 1825 1826 f->pixelformat = formats[f->index].fourcc; 1827 1828 return 0; 1829 } 1830 1831 static int saa7134_g_fbuf(struct file *file, void *f, 1832 struct v4l2_framebuffer *fb) 1833 { 1834 struct saa7134_dev *dev = video_drvdata(file); 1835 1836 *fb = dev->ovbuf; 1837 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 1838 1839 return 0; 1840 } 1841 1842 static int saa7134_s_fbuf(struct file *file, void *f, 1843 const struct v4l2_framebuffer *fb) 1844 { 1845 struct saa7134_dev *dev = video_drvdata(file); 1846 struct saa7134_format *fmt; 1847 1848 if (!capable(CAP_SYS_ADMIN) && 1849 !capable(CAP_SYS_RAWIO)) 1850 return -EPERM; 1851 1852 /* check args */ 1853 fmt = format_by_fourcc(fb->fmt.pixelformat); 1854 if (NULL == fmt) 1855 return -EINVAL; 1856 1857 /* ok, accept it */ 1858 dev->ovbuf = *fb; 1859 dev->ovfmt = fmt; 1860 if (0 == dev->ovbuf.fmt.bytesperline) 1861 dev->ovbuf.fmt.bytesperline = 1862 dev->ovbuf.fmt.width*fmt->depth/8; 1863 return 0; 1864 } 1865 1866 static int saa7134_overlay(struct file *file, void *priv, unsigned int on) 1867 { 1868 struct saa7134_dev *dev = video_drvdata(file); 1869 unsigned long flags; 1870 1871 if (on) { 1872 if (saa7134_no_overlay > 0) { 1873 video_dbg("no_overlay\n"); 1874 return -EINVAL; 1875 } 1876 1877 if (dev->overlay_owner && priv != dev->overlay_owner) 1878 return -EBUSY; 1879 dev->overlay_owner = priv; 1880 spin_lock_irqsave(&dev->slock, flags); 1881 start_preview(dev); 1882 spin_unlock_irqrestore(&dev->slock, flags); 1883 } 1884 if (!on) { 1885 if (priv != dev->overlay_owner) 1886 return -EINVAL; 1887 spin_lock_irqsave(&dev->slock, flags); 1888 stop_preview(dev); 1889 spin_unlock_irqrestore(&dev->slock, flags); 1890 dev->overlay_owner = NULL; 1891 } 1892 return 0; 1893 } 1894 1895 #ifdef CONFIG_VIDEO_ADV_DEBUG 1896 static int vidioc_g_register (struct file *file, void *priv, 1897 struct v4l2_dbg_register *reg) 1898 { 1899 struct saa7134_dev *dev = video_drvdata(file); 1900 1901 reg->val = saa_readb(reg->reg & 0xffffff); 1902 reg->size = 1; 1903 return 0; 1904 } 1905 1906 static int vidioc_s_register (struct file *file, void *priv, 1907 const struct v4l2_dbg_register *reg) 1908 { 1909 struct saa7134_dev *dev = video_drvdata(file); 1910 1911 saa_writeb(reg->reg & 0xffffff, reg->val); 1912 return 0; 1913 } 1914 #endif 1915 1916 static int radio_g_tuner(struct file *file, void *priv, 1917 struct v4l2_tuner *t) 1918 { 1919 struct saa7134_dev *dev = video_drvdata(file); 1920 1921 if (0 != t->index) 1922 return -EINVAL; 1923 1924 strcpy(t->name, "Radio"); 1925 1926 saa_call_all(dev, tuner, g_tuner, t); 1927 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 1928 if (dev->input->amux == TV) { 1929 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 1930 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 1931 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 1932 } 1933 return 0; 1934 } 1935 static int radio_s_tuner(struct file *file, void *priv, 1936 const struct v4l2_tuner *t) 1937 { 1938 struct saa7134_dev *dev = video_drvdata(file); 1939 1940 if (0 != t->index) 1941 return -EINVAL; 1942 1943 saa_call_all(dev, tuner, s_tuner, t); 1944 return 0; 1945 } 1946 1947 static const struct v4l2_file_operations video_fops = 1948 { 1949 .owner = THIS_MODULE, 1950 .open = video_open, 1951 .release = video_release, 1952 .read = vb2_fop_read, 1953 .poll = vb2_fop_poll, 1954 .mmap = vb2_fop_mmap, 1955 .unlocked_ioctl = video_ioctl2, 1956 }; 1957 1958 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1959 .vidioc_querycap = saa7134_querycap, 1960 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 1961 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 1962 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 1963 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 1964 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 1965 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 1966 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 1967 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 1968 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1969 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1970 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1971 .vidioc_cropcap = saa7134_cropcap, 1972 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1973 .vidioc_querybuf = vb2_ioctl_querybuf, 1974 .vidioc_qbuf = vb2_ioctl_qbuf, 1975 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1976 .vidioc_expbuf = vb2_ioctl_expbuf, 1977 .vidioc_s_std = saa7134_s_std, 1978 .vidioc_g_std = saa7134_g_std, 1979 .vidioc_querystd = saa7134_querystd, 1980 .vidioc_enum_input = saa7134_enum_input, 1981 .vidioc_g_input = saa7134_g_input, 1982 .vidioc_s_input = saa7134_s_input, 1983 .vidioc_streamon = vb2_ioctl_streamon, 1984 .vidioc_streamoff = vb2_ioctl_streamoff, 1985 .vidioc_g_tuner = saa7134_g_tuner, 1986 .vidioc_s_tuner = saa7134_s_tuner, 1987 .vidioc_g_crop = saa7134_g_crop, 1988 .vidioc_s_crop = saa7134_s_crop, 1989 .vidioc_g_fbuf = saa7134_g_fbuf, 1990 .vidioc_s_fbuf = saa7134_s_fbuf, 1991 .vidioc_overlay = saa7134_overlay, 1992 .vidioc_g_frequency = saa7134_g_frequency, 1993 .vidioc_s_frequency = saa7134_s_frequency, 1994 #ifdef CONFIG_VIDEO_ADV_DEBUG 1995 .vidioc_g_register = vidioc_g_register, 1996 .vidioc_s_register = vidioc_s_register, 1997 #endif 1998 .vidioc_log_status = v4l2_ctrl_log_status, 1999 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 2000 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 2001 }; 2002 2003 static const struct v4l2_file_operations radio_fops = { 2004 .owner = THIS_MODULE, 2005 .open = video_open, 2006 .read = radio_read, 2007 .release = video_release, 2008 .unlocked_ioctl = video_ioctl2, 2009 .poll = radio_poll, 2010 }; 2011 2012 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2013 .vidioc_querycap = saa7134_querycap, 2014 .vidioc_g_tuner = radio_g_tuner, 2015 .vidioc_s_tuner = radio_s_tuner, 2016 .vidioc_g_frequency = saa7134_g_frequency, 2017 .vidioc_s_frequency = saa7134_s_frequency, 2018 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 2019 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 2020 }; 2021 2022 /* ----------------------------------------------------------- */ 2023 /* exported stuff */ 2024 2025 struct video_device saa7134_video_template = { 2026 .name = "saa7134-video", 2027 .fops = &video_fops, 2028 .ioctl_ops = &video_ioctl_ops, 2029 .tvnorms = SAA7134_NORMS, 2030 }; 2031 2032 struct video_device saa7134_radio_template = { 2033 .name = "saa7134-radio", 2034 .fops = &radio_fops, 2035 .ioctl_ops = &radio_ioctl_ops, 2036 }; 2037 2038 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { 2039 .s_ctrl = saa7134_s_ctrl, 2040 }; 2041 2042 static const struct v4l2_ctrl_config saa7134_ctrl_invert = { 2043 .ops = &saa7134_ctrl_ops, 2044 .id = V4L2_CID_PRIVATE_INVERT, 2045 .name = "Invert", 2046 .type = V4L2_CTRL_TYPE_BOOLEAN, 2047 .min = 0, 2048 .max = 1, 2049 .step = 1, 2050 }; 2051 2052 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { 2053 .ops = &saa7134_ctrl_ops, 2054 .id = V4L2_CID_PRIVATE_Y_ODD, 2055 .name = "Y Offset Odd Field", 2056 .type = V4L2_CTRL_TYPE_INTEGER, 2057 .min = 0, 2058 .max = 128, 2059 .step = 1, 2060 }; 2061 2062 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { 2063 .ops = &saa7134_ctrl_ops, 2064 .id = V4L2_CID_PRIVATE_Y_EVEN, 2065 .name = "Y Offset Even Field", 2066 .type = V4L2_CTRL_TYPE_INTEGER, 2067 .min = 0, 2068 .max = 128, 2069 .step = 1, 2070 }; 2071 2072 static const struct v4l2_ctrl_config saa7134_ctrl_automute = { 2073 .ops = &saa7134_ctrl_ops, 2074 .id = V4L2_CID_PRIVATE_AUTOMUTE, 2075 .name = "Automute", 2076 .type = V4L2_CTRL_TYPE_BOOLEAN, 2077 .min = 0, 2078 .max = 1, 2079 .step = 1, 2080 .def = 1, 2081 }; 2082 2083 int saa7134_video_init1(struct saa7134_dev *dev) 2084 { 2085 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; 2086 struct vb2_queue *q; 2087 int ret; 2088 2089 /* sanitycheck insmod options */ 2090 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2091 gbuffers = 2; 2092 if (gbufsize > gbufsize_max) 2093 gbufsize = gbufsize_max; 2094 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2095 2096 v4l2_ctrl_handler_init(hdl, 11); 2097 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2098 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 2099 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2100 V4L2_CID_CONTRAST, 0, 127, 1, 68); 2101 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2102 V4L2_CID_SATURATION, 0, 127, 1, 64); 2103 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2104 V4L2_CID_HUE, -128, 127, 1, 0); 2105 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2106 V4L2_CID_HFLIP, 0, 1, 1, 0); 2107 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2108 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); 2109 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2110 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); 2111 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); 2112 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); 2113 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); 2114 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); 2115 if (hdl->error) 2116 return hdl->error; 2117 if (card_has_radio(dev)) { 2118 hdl = &dev->radio_ctrl_handler; 2119 v4l2_ctrl_handler_init(hdl, 2); 2120 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, 2121 v4l2_ctrl_radio_filter); 2122 if (hdl->error) 2123 return hdl->error; 2124 } 2125 dev->ctl_mute = 1; 2126 2127 if (dev->tda9887_conf && saa7134_ctrl_automute.def) 2128 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2129 dev->automute = 0; 2130 2131 INIT_LIST_HEAD(&dev->video_q.queue); 2132 init_timer(&dev->video_q.timeout); 2133 dev->video_q.timeout.function = saa7134_buffer_timeout; 2134 dev->video_q.timeout.data = (unsigned long)(&dev->video_q); 2135 dev->video_q.dev = dev; 2136 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2137 dev->width = 720; 2138 dev->height = 576; 2139 dev->field = V4L2_FIELD_INTERLACED; 2140 dev->win.w.width = dev->width; 2141 dev->win.w.height = dev->height; 2142 dev->win.field = V4L2_FIELD_INTERLACED; 2143 dev->ovbuf.fmt.width = dev->width; 2144 dev->ovbuf.fmt.height = dev->height; 2145 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2146 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2147 2148 if (saa7134_boards[dev->board].video_out) 2149 saa7134_videoport_init(dev); 2150 2151 q = &dev->video_vbq; 2152 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2153 /* 2154 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA 2155 * engine cannot handle transfers that do not start at the beginning 2156 * of a page. A user-provided pointer can start anywhere in a page, so 2157 * USERPTR support is a no-go unless the application knows about these 2158 * limitations and has special support for this. 2159 */ 2160 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; 2161 if (saa7134_userptr) 2162 q->io_modes |= VB2_USERPTR; 2163 q->drv_priv = &dev->video_q; 2164 q->ops = &vb2_qops; 2165 q->gfp_flags = GFP_DMA32; 2166 q->mem_ops = &vb2_dma_sg_memops; 2167 q->buf_struct_size = sizeof(struct saa7134_buf); 2168 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2169 q->lock = &dev->lock; 2170 ret = vb2_queue_init(q); 2171 if (ret) 2172 return ret; 2173 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); 2174 2175 q = &dev->vbi_vbq; 2176 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 2177 /* Don't add VB2_USERPTR, see comment above */ 2178 q->io_modes = VB2_MMAP | VB2_READ; 2179 if (saa7134_userptr) 2180 q->io_modes |= VB2_USERPTR; 2181 q->drv_priv = &dev->vbi_q; 2182 q->ops = &saa7134_vbi_qops; 2183 q->gfp_flags = GFP_DMA32; 2184 q->mem_ops = &vb2_dma_sg_memops; 2185 q->buf_struct_size = sizeof(struct saa7134_buf); 2186 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2187 q->lock = &dev->lock; 2188 ret = vb2_queue_init(q); 2189 if (ret) 2190 return ret; 2191 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); 2192 2193 return 0; 2194 } 2195 2196 void saa7134_video_fini(struct saa7134_dev *dev) 2197 { 2198 /* free stuff */ 2199 vb2_queue_release(&dev->video_vbq); 2200 saa7134_pgtable_free(dev->pci, &dev->video_q.pt); 2201 vb2_queue_release(&dev->vbi_vbq); 2202 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); 2203 v4l2_ctrl_handler_free(&dev->ctrl_handler); 2204 if (card_has_radio(dev)) 2205 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 2206 } 2207 2208 int saa7134_videoport_init(struct saa7134_dev *dev) 2209 { 2210 /* enable video output */ 2211 int vo = saa7134_boards[dev->board].video_out; 2212 int video_reg; 2213 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2214 2215 /* Configure videoport */ 2216 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2217 video_reg = video_out[vo][1]; 2218 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2219 video_reg &= ~VP_T_CODE_P_INVERTED; 2220 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2221 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2222 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2223 video_reg = video_out[vo][5]; 2224 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2225 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2226 if (vid_port_opts & SET_CLOCK_INVERTED) 2227 video_reg |= VP_CLK_CTRL1_INVERTED; 2228 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2229 video_reg = video_out[vo][6]; 2230 if (vid_port_opts & SET_VSYNC_OFF) { 2231 video_reg &= ~VP_VS_TYPE_MASK; 2232 video_reg |= VP_VS_TYPE_OFF; 2233 } 2234 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2235 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2236 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2237 2238 /* Start videoport */ 2239 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2240 2241 return 0; 2242 } 2243 2244 int saa7134_video_init2(struct saa7134_dev *dev) 2245 { 2246 /* init video hw */ 2247 set_tvnorm(dev,&tvnorms[0]); 2248 video_mux(dev,0); 2249 v4l2_ctrl_handler_setup(&dev->ctrl_handler); 2250 saa7134_tvaudio_setmute(dev); 2251 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2252 return 0; 2253 } 2254 2255 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2256 { 2257 static const char *st[] = { 2258 "(no signal)", "NTSC", "PAL", "SECAM" }; 2259 u32 st1,st2; 2260 2261 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2262 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2263 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n", 2264 (st1 & 0x40) ? "not locked" : "locked", 2265 (st2 & 0x40) ? "no" : "yes", 2266 st[st1 & 0x03]); 2267 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2268 2269 if (dev->nosignal) { 2270 /* no video signal -> mute audio */ 2271 if (dev->ctl_automute) 2272 dev->automute = 1; 2273 saa7134_tvaudio_setmute(dev); 2274 } else { 2275 /* wake up tvaudio audio carrier scan thread */ 2276 saa7134_tvaudio_do_scan(dev); 2277 } 2278 2279 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2280 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2281 else 2282 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2283 2284 if (dev->mops && dev->mops->signal_change) 2285 dev->mops->signal_change(dev); 2286 } 2287 2288 2289 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2290 { 2291 enum v4l2_field field; 2292 2293 spin_lock(&dev->slock); 2294 if (dev->video_q.curr) { 2295 field = dev->field; 2296 if (V4L2_FIELD_HAS_BOTH(field)) { 2297 /* make sure we have seen both fields */ 2298 if ((status & 0x10) == 0x00) { 2299 dev->video_q.curr->top_seen = 1; 2300 goto done; 2301 } 2302 if (!dev->video_q.curr->top_seen) 2303 goto done; 2304 } else if (field == V4L2_FIELD_TOP) { 2305 if ((status & 0x10) != 0x10) 2306 goto done; 2307 } else if (field == V4L2_FIELD_BOTTOM) { 2308 if ((status & 0x10) != 0x00) 2309 goto done; 2310 } 2311 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); 2312 } 2313 saa7134_buffer_next(dev, &dev->video_q); 2314 2315 done: 2316 spin_unlock(&dev->slock); 2317 } 2318