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saa7134-video.c
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linux-6.19.14/drivers/media/pci/saa7134/saa7134-video.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * 4 * device driver for philips saa7134 based TV cards 5 * video4linux video interface 6 * 7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 8 */ 9 10#include "saa7134.h" 11#include "saa7134-reg.h" 12 13#include <linux/init.h> 14#include <linux/list.h> 15#include <linux/module.h> 16#include <linux/kernel.h> 17#include <linux/slab.h> 18#include <linux/sort.h> 19 20#include <media/v4l2-common.h> 21#include <media/v4l2-event.h> 22#include <media/i2c/saa6588.h> 23 24/* ------------------------------------------------------------------ */ 25 26unsigned int video_debug; 27static unsigned int gbuffers = 8; 28static unsigned int noninterlaced; /* 0 */ 29static unsigned int gbufsize = 720*576*4; 30static unsigned int gbufsize_max = 720*576*4; 31static char secam[] = "--"; 32module_param(video_debug, int, 0644); 33MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); 34module_param(gbuffers, int, 0444); 35MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); 36module_param(noninterlaced, int, 0644); 37MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); 38module_param_string(secam, secam, sizeof(secam), 0644); 39MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); 40 41 42#define video_dbg(fmt, arg...) do { \ 43 if (video_debug & 0x04) \ 44 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \ 45 } while (0) 46 47/* ------------------------------------------------------------------ */ 48/* Defines for Video Output Port Register at address 0x191 */ 49 50/* Bit 0: VIP code T bit polarity */ 51 52#define VP_T_CODE_P_NON_INVERTED 0x00 53#define VP_T_CODE_P_INVERTED 0x01 54 55/* ------------------------------------------------------------------ */ 56/* Defines for Video Output Port Register at address 0x195 */ 57 58/* Bit 2: Video output clock delay control */ 59 60#define VP_CLK_CTRL2_NOT_DELAYED 0x00 61#define VP_CLK_CTRL2_DELAYED 0x04 62 63/* Bit 1: Video output clock invert control */ 64 65#define VP_CLK_CTRL1_NON_INVERTED 0x00 66#define VP_CLK_CTRL1_INVERTED 0x02 67 68/* ------------------------------------------------------------------ */ 69/* Defines for Video Output Port Register at address 0x196 */ 70 71/* Bits 2 to 0: VSYNC pin video vertical sync type */ 72 73#define VP_VS_TYPE_MASK 0x07 74 75#define VP_VS_TYPE_OFF 0x00 76#define VP_VS_TYPE_V123 0x01 77#define VP_VS_TYPE_V_ITU 0x02 78#define VP_VS_TYPE_VGATE_L 0x03 79#define VP_VS_TYPE_RESERVED1 0x04 80#define VP_VS_TYPE_RESERVED2 0x05 81#define VP_VS_TYPE_F_ITU 0x06 82#define VP_VS_TYPE_SC_FID 0x07 83 84/* ------------------------------------------------------------------ */ 85/* data structs for video */ 86 87static int video_out[][9] = { 88 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, 89}; 90 91static struct saa7134_format formats[] = { 92 { 93 .fourcc = V4L2_PIX_FMT_GREY, 94 .depth = 8, 95 .pm = 0x06, 96 },{ 97 .fourcc = V4L2_PIX_FMT_RGB555, 98 .depth = 16, 99 .pm = 0x13 | 0x80, 100 },{ 101 .fourcc = V4L2_PIX_FMT_RGB555X, 102 .depth = 16, 103 .pm = 0x13 | 0x80, 104 .bswap = 1, 105 },{ 106 .fourcc = V4L2_PIX_FMT_RGB565, 107 .depth = 16, 108 .pm = 0x10 | 0x80, 109 },{ 110 .fourcc = V4L2_PIX_FMT_RGB565X, 111 .depth = 16, 112 .pm = 0x10 | 0x80, 113 .bswap = 1, 114 },{ 115 .fourcc = V4L2_PIX_FMT_BGR24, 116 .depth = 24, 117 .pm = 0x11, 118 },{ 119 .fourcc = V4L2_PIX_FMT_RGB24, 120 .depth = 24, 121 .pm = 0x11, 122 .bswap = 1, 123 },{ 124 .fourcc = V4L2_PIX_FMT_BGR32, 125 .depth = 32, 126 .pm = 0x12, 127 },{ 128 .fourcc = V4L2_PIX_FMT_RGB32, 129 .depth = 32, 130 .pm = 0x12, 131 .bswap = 1, 132 .wswap = 1, 133 },{ 134 .fourcc = V4L2_PIX_FMT_YUYV, 135 .depth = 16, 136 .pm = 0x00, 137 .bswap = 1, 138 .yuv = 1, 139 },{ 140 .fourcc = V4L2_PIX_FMT_UYVY, 141 .depth = 16, 142 .pm = 0x00, 143 .yuv = 1, 144 },{ 145 .fourcc = V4L2_PIX_FMT_YUV422P, 146 .depth = 16, 147 .pm = 0x09, 148 .yuv = 1, 149 .planar = 1, 150 .hshift = 1, 151 .vshift = 0, 152 },{ 153 .fourcc = V4L2_PIX_FMT_YUV420, 154 .depth = 12, 155 .pm = 0x0a, 156 .yuv = 1, 157 .planar = 1, 158 .hshift = 1, 159 .vshift = 1, 160 },{ 161 .fourcc = V4L2_PIX_FMT_YVU420, 162 .depth = 12, 163 .pm = 0x0a, 164 .yuv = 1, 165 .planar = 1, 166 .uvswap = 1, 167 .hshift = 1, 168 .vshift = 1, 169 } 170}; 171#define FORMATS ARRAY_SIZE(formats) 172 173#define NORM_625_50 \ 174 .h_start = 0, \ 175 .h_stop = 719, \ 176 .video_v_start = 24, \ 177 .video_v_stop = 311, \ 178 .vbi_v_start_0 = 7, \ 179 .vbi_v_stop_0 = 23, \ 180 .vbi_v_start_1 = 319, \ 181 .src_timing = 4 182 183#define NORM_525_60 \ 184 .h_start = 0, \ 185 .h_stop = 719, \ 186 .video_v_start = 23, \ 187 .video_v_stop = 262, \ 188 .vbi_v_start_0 = 10, \ 189 .vbi_v_stop_0 = 21, \ 190 .vbi_v_start_1 = 273, \ 191 .src_timing = 7 192 193static struct saa7134_tvnorm tvnorms[] = { 194 { 195 .name = "PAL", /* autodetect */ 196 .id = V4L2_STD_PAL, 197 NORM_625_50, 198 199 .sync_control = 0x18, 200 .luma_control = 0x40, 201 .chroma_ctrl1 = 0x81, 202 .chroma_gain = 0x2a, 203 .chroma_ctrl2 = 0x06, 204 .vgate_misc = 0x1c, 205 206 },{ 207 .name = "PAL-BG", 208 .id = V4L2_STD_PAL_BG, 209 NORM_625_50, 210 211 .sync_control = 0x18, 212 .luma_control = 0x40, 213 .chroma_ctrl1 = 0x81, 214 .chroma_gain = 0x2a, 215 .chroma_ctrl2 = 0x06, 216 .vgate_misc = 0x1c, 217 218 },{ 219 .name = "PAL-I", 220 .id = V4L2_STD_PAL_I, 221 NORM_625_50, 222 223 .sync_control = 0x18, 224 .luma_control = 0x40, 225 .chroma_ctrl1 = 0x81, 226 .chroma_gain = 0x2a, 227 .chroma_ctrl2 = 0x06, 228 .vgate_misc = 0x1c, 229 230 },{ 231 .name = "PAL-DK", 232 .id = V4L2_STD_PAL_DK, 233 NORM_625_50, 234 235 .sync_control = 0x18, 236 .luma_control = 0x40, 237 .chroma_ctrl1 = 0x81, 238 .chroma_gain = 0x2a, 239 .chroma_ctrl2 = 0x06, 240 .vgate_misc = 0x1c, 241 242 },{ 243 .name = "NTSC", 244 .id = V4L2_STD_NTSC, 245 NORM_525_60, 246 247 .sync_control = 0x59, 248 .luma_control = 0x40, 249 .chroma_ctrl1 = 0x89, 250 .chroma_gain = 0x2a, 251 .chroma_ctrl2 = 0x0e, 252 .vgate_misc = 0x18, 253 254 },{ 255 .name = "SECAM", 256 .id = V4L2_STD_SECAM, 257 NORM_625_50, 258 259 .sync_control = 0x18, 260 .luma_control = 0x1b, 261 .chroma_ctrl1 = 0xd1, 262 .chroma_gain = 0x80, 263 .chroma_ctrl2 = 0x00, 264 .vgate_misc = 0x1c, 265 266 },{ 267 .name = "SECAM-DK", 268 .id = V4L2_STD_SECAM_DK, 269 NORM_625_50, 270 271 .sync_control = 0x18, 272 .luma_control = 0x1b, 273 .chroma_ctrl1 = 0xd1, 274 .chroma_gain = 0x80, 275 .chroma_ctrl2 = 0x00, 276 .vgate_misc = 0x1c, 277 278 },{ 279 .name = "SECAM-L", 280 .id = V4L2_STD_SECAM_L, 281 NORM_625_50, 282 283 .sync_control = 0x18, 284 .luma_control = 0x1b, 285 .chroma_ctrl1 = 0xd1, 286 .chroma_gain = 0x80, 287 .chroma_ctrl2 = 0x00, 288 .vgate_misc = 0x1c, 289 290 },{ 291 .name = "SECAM-Lc", 292 .id = V4L2_STD_SECAM_LC, 293 NORM_625_50, 294 295 .sync_control = 0x18, 296 .luma_control = 0x1b, 297 .chroma_ctrl1 = 0xd1, 298 .chroma_gain = 0x80, 299 .chroma_ctrl2 = 0x00, 300 .vgate_misc = 0x1c, 301 302 },{ 303 .name = "PAL-M", 304 .id = V4L2_STD_PAL_M, 305 NORM_525_60, 306 307 .sync_control = 0x59, 308 .luma_control = 0x40, 309 .chroma_ctrl1 = 0xb9, 310 .chroma_gain = 0x2a, 311 .chroma_ctrl2 = 0x0e, 312 .vgate_misc = 0x18, 313 314 },{ 315 .name = "PAL-Nc", 316 .id = V4L2_STD_PAL_Nc, 317 NORM_625_50, 318 319 .sync_control = 0x18, 320 .luma_control = 0x40, 321 .chroma_ctrl1 = 0xa1, 322 .chroma_gain = 0x2a, 323 .chroma_ctrl2 = 0x06, 324 .vgate_misc = 0x1c, 325 326 },{ 327 .name = "PAL-60", 328 .id = V4L2_STD_PAL_60, 329 330 .h_start = 0, 331 .h_stop = 719, 332 .video_v_start = 23, 333 .video_v_stop = 262, 334 .vbi_v_start_0 = 10, 335 .vbi_v_stop_0 = 21, 336 .vbi_v_start_1 = 273, 337 .src_timing = 7, 338 339 .sync_control = 0x18, 340 .luma_control = 0x40, 341 .chroma_ctrl1 = 0x81, 342 .chroma_gain = 0x2a, 343 .chroma_ctrl2 = 0x06, 344 .vgate_misc = 0x1c, 345 } 346}; 347#define TVNORMS ARRAY_SIZE(tvnorms) 348 349static struct saa7134_format* format_by_fourcc(unsigned int fourcc) 350{ 351 unsigned int i; 352 353 for (i = 0; i < FORMATS; i++) 354 if (formats[i].fourcc == fourcc) 355 return formats+i; 356 return NULL; 357} 358 359/* ------------------------------------------------------------------ */ 360 361static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) 362{ 363 video_dbg("set tv norm = %s\n", norm->name); 364 dev->tvnorm = norm; 365 366 /* setup cropping */ 367 dev->crop_bounds.left = norm->h_start; 368 dev->crop_defrect.left = norm->h_start; 369 dev->crop_bounds.width = norm->h_stop - norm->h_start +1; 370 dev->crop_defrect.width = norm->h_stop - norm->h_start +1; 371 372 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; 373 dev->crop_defrect.top = norm->video_v_start*2; 374 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) 375 - dev->crop_bounds.top; 376 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; 377 378 dev->crop_current = dev->crop_defrect; 379 380 saa7134_set_tvnorm_hw(dev); 381} 382 383static void video_mux(struct saa7134_dev *dev, int input) 384{ 385 video_dbg("video input = %d [%s]\n", 386 input, saa7134_input_name[card_in(dev, input).type]); 387 dev->ctl_input = input; 388 set_tvnorm(dev, dev->tvnorm); 389 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 390} 391 392 393static void saa7134_set_decoder(struct saa7134_dev *dev) 394{ 395 int luma_control, sync_control, chroma_ctrl1, mux; 396 397 struct saa7134_tvnorm *norm = dev->tvnorm; 398 mux = card_in(dev, dev->ctl_input).vmux; 399 400 luma_control = norm->luma_control; 401 sync_control = norm->sync_control; 402 chroma_ctrl1 = norm->chroma_ctrl1; 403 404 if (mux > 5) 405 luma_control |= 0x80; /* svideo */ 406 if (noninterlaced || dev->nosignal) 407 sync_control |= 0x20; 408 409 /* switch on auto standard detection */ 410 sync_control |= SAA7134_SYNC_CTRL_AUFD; 411 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0; 412 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC; 413 luma_control &= ~SAA7134_LUMA_CTRL_LDEL; 414 415 /* setup video decoder */ 416 saa_writeb(SAA7134_INCR_DELAY, 0x08); 417 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 418 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 419 420 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 421 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 422 saa_writeb(SAA7134_HSYNC_START, 0xeb); 423 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 424 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 425 426 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 427 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 428 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 429 430 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 431 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 432 433 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 434 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 435 436 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 437 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); 438 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 439 440 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 441 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 442 443 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 444 saa_writeb(SAA7134_VGATE_START, 0x11); 445 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 446 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 447 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 448 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 449} 450 451void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 452{ 453 saa7134_set_decoder(dev); 454 455 saa_call_all(dev, video, s_std, dev->tvnorm->id); 456 /* Set the correct norm for the saa6752hs. This function 457 does nothing if there is no saa6752hs. */ 458 saa_call_empress(dev, video, s_std, dev->tvnorm->id); 459} 460 461static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) 462{ 463 static const struct { 464 int xpsc; 465 int xacl; 466 int xc2_1; 467 int xdcg; 468 int vpfy; 469 } vals[] = { 470 /* XPSC XACL XC2_1 XDCG VPFY */ 471 { 1, 0, 0, 0, 0 }, 472 { 2, 2, 1, 2, 2 }, 473 { 3, 4, 1, 3, 2 }, 474 { 4, 8, 1, 4, 2 }, 475 { 5, 8, 1, 4, 2 }, 476 { 6, 8, 1, 4, 3 }, 477 { 7, 8, 1, 4, 3 }, 478 { 8, 15, 0, 4, 3 }, 479 { 9, 15, 0, 4, 3 }, 480 { 10, 16, 1, 5, 3 }, 481 }; 482 static const int count = ARRAY_SIZE(vals); 483 int i; 484 485 for (i = 0; i < count; i++) 486 if (vals[i].xpsc == prescale) 487 break; 488 if (i == count) 489 return; 490 491 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); 492 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); 493 saa_writeb(SAA7134_LEVEL_CTRL(task), 494 (vals[i].xc2_1 << 3) | (vals[i].xdcg)); 495 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, 496 (vals[i].vpfy << 2) | vals[i].vpfy); 497} 498 499static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) 500{ 501 int val,mirror; 502 503 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); 504 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); 505 506 mirror = (dev->ctl_mirror) ? 0x02 : 0x00; 507 if (yscale < 2048) { 508 /* LPI */ 509 video_dbg("yscale LPI yscale=%d\n", yscale); 510 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); 511 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); 512 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); 513 } else { 514 /* ACM */ 515 val = 0x40 * 1024 / yscale; 516 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val); 517 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); 518 saa_writeb(SAA7134_LUMA_CONTRAST(task), val); 519 saa_writeb(SAA7134_CHROMA_SATURATION(task), val); 520 } 521 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); 522} 523 524static void set_size(struct saa7134_dev *dev, int task, 525 int width, int height, int interlace) 526{ 527 int prescale,xscale,yscale,y_even,y_odd; 528 int h_start, h_stop, v_start, v_stop; 529 int div = interlace ? 2 : 1; 530 531 /* setup video scaler */ 532 h_start = dev->crop_current.left; 533 v_start = dev->crop_current.top/2; 534 h_stop = (dev->crop_current.left + dev->crop_current.width -1); 535 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; 536 537 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); 538 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); 539 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); 540 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); 541 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); 542 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); 543 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); 544 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); 545 546 prescale = dev->crop_current.width / width; 547 if (0 == prescale) 548 prescale = 1; 549 xscale = 1024 * dev->crop_current.width / prescale / width; 550 yscale = 512 * div * dev->crop_current.height / height; 551 video_dbg("prescale=%d xscale=%d yscale=%d\n", 552 prescale, xscale, yscale); 553 set_h_prescale(dev,task,prescale); 554 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); 555 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); 556 set_v_scale(dev,task,yscale); 557 558 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); 559 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); 560 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); 561 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); 562 563 /* deinterlace y offsets */ 564 y_odd = dev->ctl_y_odd; 565 y_even = dev->ctl_y_even; 566 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); 567 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); 568 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); 569 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); 570} 571 572/* ------------------------------------------------------------------ */ 573 574/* 575 * Media Controller helper functions 576 */ 577 578static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) 579{ 580#ifdef CONFIG_MEDIA_CONTROLLER 581 struct media_device *mdev = dev->media_dev; 582 struct media_entity *source; 583 struct media_link *link, *found_link = NULL; 584 int ret, active_links = 0; 585 586 if (!mdev || !dev->decoder) 587 return 0; 588 589 /* 590 * This will find the tuner that is connected into the decoder. 591 * Technically, this is not 100% correct, as the device may be 592 * using an analog input instead of the tuner. However, as we can't 593 * do DVB streaming while the DMA engine is being used for V4L2, 594 * this should be enough for the actual needs. 595 */ 596 list_for_each_entry(link, &dev->decoder->links, list) { 597 if (link->sink->entity == dev->decoder) { 598 found_link = link; 599 if (link->flags & MEDIA_LNK_FL_ENABLED) 600 active_links++; 601 break; 602 } 603 } 604 605 if (active_links == 1 || !found_link) 606 return 0; 607 608 source = found_link->source->entity; 609 list_for_each_entry(link, &source->links, list) { 610 struct media_entity *sink; 611 int flags = 0; 612 613 sink = link->sink->entity; 614 615 if (sink == dev->decoder) 616 flags = MEDIA_LNK_FL_ENABLED; 617 618 ret = media_entity_setup_link(link, flags); 619 if (ret) { 620 pr_err("Couldn't change link %s->%s to %s. Error %d\n", 621 source->name, sink->name, 622 flags ? "enabled" : "disabled", 623 ret); 624 return ret; 625 } 626 } 627#endif 628 return 0; 629} 630 631/* ------------------------------------------------------------------ */ 632 633static int buffer_activate(struct saa7134_dev *dev, 634 struct saa7134_buf *buf, 635 struct saa7134_buf *next) 636{ 637 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv; 638 unsigned long base,control,bpl; 639 unsigned long bpl_uv, lines_uv, base2, base3; /* planar */ 640 641 video_dbg("buffer_activate buf=%p\n", buf); 642 buf->top_seen = 0; 643 644 set_size(dev, TASK_A, dev->width, dev->height, 645 V4L2_FIELD_HAS_BOTH(dev->field)); 646 if (dev->fmt->yuv) 647 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 648 else 649 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 650 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm); 651 652 /* DMA: setup channel 0 (= Video Task A0) */ 653 base = saa7134_buffer_base(buf); 654 if (dev->fmt->planar) 655 bpl = dev->width; 656 else 657 bpl = (dev->width * dev->fmt->depth) / 8; 658 control = SAA7134_RS_CONTROL_BURST_16 | 659 SAA7134_RS_CONTROL_ME | 660 (dmaq->pt.dma >> 12); 661 if (dev->fmt->bswap) 662 control |= SAA7134_RS_CONTROL_BSWAP; 663 if (dev->fmt->wswap) 664 control |= SAA7134_RS_CONTROL_WSWAP; 665 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 666 /* interlaced */ 667 saa_writel(SAA7134_RS_BA1(0),base); 668 saa_writel(SAA7134_RS_BA2(0),base+bpl); 669 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 670 } else { 671 /* non-interlaced */ 672 saa_writel(SAA7134_RS_BA1(0),base); 673 saa_writel(SAA7134_RS_BA2(0),base); 674 saa_writel(SAA7134_RS_PITCH(0),bpl); 675 } 676 saa_writel(SAA7134_RS_CONTROL(0),control); 677 678 if (dev->fmt->planar) { 679 /* DMA: setup channel 4+5 (= planar task A) */ 680 bpl_uv = bpl >> dev->fmt->hshift; 681 lines_uv = dev->height >> dev->fmt->vshift; 682 base2 = base + bpl * dev->height; 683 base3 = base2 + bpl_uv * lines_uv; 684 if (dev->fmt->uvswap) 685 swap(base2, base3); 686 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 687 bpl_uv,lines_uv,base2,base3); 688 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 689 /* interlaced */ 690 saa_writel(SAA7134_RS_BA1(4),base2); 691 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 692 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 693 saa_writel(SAA7134_RS_BA1(5),base3); 694 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 695 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 696 } else { 697 /* non-interlaced */ 698 saa_writel(SAA7134_RS_BA1(4),base2); 699 saa_writel(SAA7134_RS_BA2(4),base2); 700 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 701 saa_writel(SAA7134_RS_BA1(5),base3); 702 saa_writel(SAA7134_RS_BA2(5),base3); 703 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 704 } 705 saa_writel(SAA7134_RS_CONTROL(4),control); 706 saa_writel(SAA7134_RS_CONTROL(5),control); 707 } 708 709 /* start DMA */ 710 saa7134_set_dmabits(dev); 711 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT); 712 return 0; 713} 714 715static int buffer_init(struct vb2_buffer *vb2) 716{ 717 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 718 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 719 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 720 721 dmaq->curr = NULL; 722 buf->activate = buffer_activate; 723 return 0; 724} 725 726static int buffer_prepare(struct vb2_buffer *vb2) 727{ 728 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 729 struct saa7134_dev *dev = dmaq->dev; 730 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 731 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 732 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0); 733 unsigned int size; 734 735 if (dma->sgl->offset) { 736 pr_err("The buffer is not page-aligned\n"); 737 return -EINVAL; 738 } 739 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 740 if (vb2_plane_size(vb2, 0) < size) 741 return -EINVAL; 742 743 vb2_set_plane_payload(vb2, 0, size); 744 vbuf->field = dev->field; 745 746 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, 747 saa7134_buffer_startpage(buf)); 748} 749 750static int queue_setup(struct vb2_queue *q, 751 unsigned int *nbuffers, unsigned int *nplanes, 752 unsigned int sizes[], struct device *alloc_devs[]) 753{ 754 struct saa7134_dmaqueue *dmaq = q->drv_priv; 755 struct saa7134_dev *dev = dmaq->dev; 756 int size = dev->fmt->depth * dev->width * dev->height >> 3; 757 758 if (dev->width < 48 || 759 dev->height < 32 || 760 dev->width/4 > dev->crop_current.width || 761 dev->height/4 > dev->crop_current.height || 762 dev->width > dev->crop_bounds.width || 763 dev->height > dev->crop_bounds.height) 764 return -EINVAL; 765 766 *nbuffers = saa7134_buffer_count(size, *nbuffers); 767 *nplanes = 1; 768 sizes[0] = size; 769 770 saa7134_enable_analog_tuner(dev); 771 772 return 0; 773} 774 775/* 776 * move buffer to hardware queue 777 */ 778void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) 779{ 780 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; 781 struct saa7134_dev *dev = dmaq->dev; 782 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 783 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 784 785 saa7134_buffer_queue(dev, dmaq, buf); 786} 787EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); 788 789int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) 790{ 791 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 792 struct saa7134_dev *dev = dmaq->dev; 793 794 /* 795 * Planar video capture and TS share the same DMA channel, 796 * so only one can be active at a time. 797 */ 798 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && 799 dmaq == &dev->video_q && dev->fmt->planar) { 800 struct saa7134_buf *buf, *tmp; 801 802 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { 803 list_del(&buf->entry); 804 vb2_buffer_done(&buf->vb2.vb2_buf, 805 VB2_BUF_STATE_QUEUED); 806 } 807 if (dmaq->curr) { 808 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf, 809 VB2_BUF_STATE_QUEUED); 810 dmaq->curr = NULL; 811 } 812 return -EBUSY; 813 } 814 815 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 816 * configured conservatively, there's 22 usec of buffering for video. 817 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 818 * margin in case the FIFO is configured differently to the datasheet. 819 * Unfortunately, I lack register-level documentation to check the 820 * Linux FIFO setup and confirm the perfect value. 821 */ 822 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 823 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 824 cpu_latency_qos_add_request(&dev->qos_request, 20); 825 dmaq->seq_nr = 0; 826 827 return 0; 828} 829 830void saa7134_vb2_stop_streaming(struct vb2_queue *vq) 831{ 832 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 833 struct saa7134_dev *dev = dmaq->dev; 834 835 saa7134_stop_streaming(dev, dmaq); 836 837 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 838 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 839 cpu_latency_qos_remove_request(&dev->qos_request); 840} 841 842static const struct vb2_ops vb2_qops = { 843 .queue_setup = queue_setup, 844 .buf_init = buffer_init, 845 .buf_prepare = buffer_prepare, 846 .buf_queue = saa7134_vb2_buffer_queue, 847 .start_streaming = saa7134_vb2_start_streaming, 848 .stop_streaming = saa7134_vb2_stop_streaming, 849}; 850 851/* ------------------------------------------------------------------ */ 852 853static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) 854{ 855 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); 856 857 switch (ctrl->id) { 858 case V4L2_CID_BRIGHTNESS: 859 dev->ctl_bright = ctrl->val; 860 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); 861 break; 862 case V4L2_CID_HUE: 863 dev->ctl_hue = ctrl->val; 864 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); 865 break; 866 case V4L2_CID_CONTRAST: 867 dev->ctl_contrast = ctrl->val; 868 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 869 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 870 break; 871 case V4L2_CID_SATURATION: 872 dev->ctl_saturation = ctrl->val; 873 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 874 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 875 break; 876 case V4L2_CID_AUDIO_MUTE: 877 dev->ctl_mute = ctrl->val; 878 saa7134_tvaudio_setmute(dev); 879 break; 880 case V4L2_CID_AUDIO_VOLUME: 881 dev->ctl_volume = ctrl->val; 882 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 883 break; 884 case V4L2_CID_PRIVATE_INVERT: 885 dev->ctl_invert = ctrl->val; 886 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 887 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 888 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 889 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 890 break; 891 case V4L2_CID_HFLIP: 892 dev->ctl_mirror = ctrl->val; 893 break; 894 case V4L2_CID_PRIVATE_Y_EVEN: 895 dev->ctl_y_even = ctrl->val; 896 break; 897 case V4L2_CID_PRIVATE_Y_ODD: 898 dev->ctl_y_odd = ctrl->val; 899 break; 900 case V4L2_CID_PRIVATE_AUTOMUTE: 901 { 902 struct v4l2_priv_tun_config tda9887_cfg; 903 904 tda9887_cfg.tuner = TUNER_TDA9887; 905 tda9887_cfg.priv = &dev->tda9887_conf; 906 907 dev->ctl_automute = ctrl->val; 908 if (dev->tda9887_conf) { 909 if (dev->ctl_automute) 910 dev->tda9887_conf |= TDA9887_AUTOMUTE; 911 else 912 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 913 914 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 915 } 916 break; 917 } 918 default: 919 return -EINVAL; 920 } 921 return 0; 922} 923 924/* ------------------------------------------------------------------ */ 925 926static int video_open(struct file *file) 927{ 928 struct video_device *vdev = video_devdata(file); 929 struct saa7134_dev *dev = video_drvdata(file); 930 int ret = v4l2_fh_open(file); 931 932 if (ret < 0) 933 return ret; 934 935 mutex_lock(&dev->lock); 936 if (vdev->vfl_type == VFL_TYPE_RADIO) { 937 /* switch to radio mode */ 938 saa7134_tvaudio_setinput(dev, &card(dev).radio); 939 saa_call_all(dev, tuner, s_radio); 940 } else { 941 /* switch to video/vbi mode */ 942 video_mux(dev, dev->ctl_input); 943 } 944 mutex_unlock(&dev->lock); 945 946 return 0; 947} 948 949static int video_release(struct file *file) 950{ 951 struct video_device *vdev = video_devdata(file); 952 struct saa7134_dev *dev = video_drvdata(file); 953 struct saa6588_command cmd; 954 955 mutex_lock(&dev->lock); 956 saa7134_tvaudio_close(dev); 957 958 if (vdev->vfl_type == VFL_TYPE_RADIO) 959 v4l2_fh_release(file); 960 else 961 _vb2_fop_release(file, NULL); 962 963 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 964 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 965 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 966 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 967 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 968 969 saa_call_all(dev, tuner, standby); 970 if (vdev->vfl_type == VFL_TYPE_RADIO) 971 saa_call_all(dev, core, command, SAA6588_CMD_CLOSE, &cmd); 972 mutex_unlock(&dev->lock); 973 974 return 0; 975} 976 977static ssize_t radio_read(struct file *file, char __user *data, 978 size_t count, loff_t *ppos) 979{ 980 struct saa7134_dev *dev = video_drvdata(file); 981 struct saa6588_command cmd; 982 983 cmd.block_count = count/3; 984 cmd.nonblocking = file->f_flags & O_NONBLOCK; 985 cmd.buffer = data; 986 cmd.instance = file; 987 cmd.result = -ENODEV; 988 989 mutex_lock(&dev->lock); 990 saa_call_all(dev, core, command, SAA6588_CMD_READ, &cmd); 991 mutex_unlock(&dev->lock); 992 993 return cmd.result; 994} 995 996static __poll_t radio_poll(struct file *file, poll_table *wait) 997{ 998 struct saa7134_dev *dev = video_drvdata(file); 999 struct saa6588_command cmd; 1000 __poll_t rc = v4l2_ctrl_poll(file, wait); 1001 1002 cmd.instance = file; 1003 cmd.event_list = wait; 1004 cmd.poll_mask = 0; 1005 mutex_lock(&dev->lock); 1006 saa_call_all(dev, core, command, SAA6588_CMD_POLL, &cmd); 1007 mutex_unlock(&dev->lock); 1008 1009 return rc | cmd.poll_mask; 1010} 1011 1012/* ------------------------------------------------------------------ */ 1013 1014static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1015 struct v4l2_format *f) 1016{ 1017 struct saa7134_dev *dev = video_drvdata(file); 1018 struct saa7134_tvnorm *norm = dev->tvnorm; 1019 1020 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1021 f->fmt.vbi.sampling_rate = 6750000 * 4; 1022 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1023 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1024 f->fmt.vbi.offset = 64 * 4; 1025 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1026 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1027 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1028 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1029 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1030 1031 return 0; 1032} 1033 1034static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1035 struct v4l2_format *f) 1036{ 1037 struct saa7134_dev *dev = video_drvdata(file); 1038 1039 f->fmt.pix.width = dev->width; 1040 f->fmt.pix.height = dev->height; 1041 f->fmt.pix.field = dev->field; 1042 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1043 if (dev->fmt->planar) 1044 f->fmt.pix.bytesperline = f->fmt.pix.width; 1045 else 1046 f->fmt.pix.bytesperline = 1047 (f->fmt.pix.width * dev->fmt->depth) / 8; 1048 f->fmt.pix.sizeimage = 1049 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8; 1050 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1051 return 0; 1052} 1053 1054static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1055 struct v4l2_format *f) 1056{ 1057 struct saa7134_dev *dev = video_drvdata(file); 1058 struct saa7134_format *fmt; 1059 enum v4l2_field field; 1060 unsigned int maxw, maxh; 1061 1062 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1063 if (NULL == fmt) 1064 return -EINVAL; 1065 1066 field = f->fmt.pix.field; 1067 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1068 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1069 1070 if (V4L2_FIELD_ANY == field) { 1071 field = (f->fmt.pix.height > maxh/2) 1072 ? V4L2_FIELD_INTERLACED 1073 : V4L2_FIELD_BOTTOM; 1074 } 1075 switch (field) { 1076 case V4L2_FIELD_TOP: 1077 case V4L2_FIELD_BOTTOM: 1078 maxh = maxh / 2; 1079 break; 1080 default: 1081 field = V4L2_FIELD_INTERLACED; 1082 break; 1083 } 1084 1085 f->fmt.pix.field = field; 1086 if (f->fmt.pix.width < 48) 1087 f->fmt.pix.width = 48; 1088 if (f->fmt.pix.height < 32) 1089 f->fmt.pix.height = 32; 1090 if (f->fmt.pix.width > maxw) 1091 f->fmt.pix.width = maxw; 1092 if (f->fmt.pix.height > maxh) 1093 f->fmt.pix.height = maxh; 1094 f->fmt.pix.width &= ~0x03; 1095 if (fmt->planar) 1096 f->fmt.pix.bytesperline = f->fmt.pix.width; 1097 else 1098 f->fmt.pix.bytesperline = 1099 (f->fmt.pix.width * fmt->depth) / 8; 1100 f->fmt.pix.sizeimage = 1101 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8; 1102 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1103 1104 return 0; 1105} 1106 1107static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1108 struct v4l2_format *f) 1109{ 1110 struct saa7134_dev *dev = video_drvdata(file); 1111 int err; 1112 1113 err = saa7134_try_fmt_vid_cap(file, priv, f); 1114 if (0 != err) 1115 return err; 1116 1117 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1118 dev->width = f->fmt.pix.width; 1119 dev->height = f->fmt.pix.height; 1120 dev->field = f->fmt.pix.field; 1121 return 0; 1122} 1123 1124int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1125{ 1126 struct saa7134_dev *dev = video_drvdata(file); 1127 unsigned int n; 1128 1129 n = i->index; 1130 if (n >= SAA7134_INPUT_MAX) 1131 return -EINVAL; 1132 if (card_in(dev, i->index).type == SAA7134_NO_INPUT) 1133 return -EINVAL; 1134 i->index = n; 1135 strscpy(i->name, saa7134_input_name[card_in(dev, n).type], 1136 sizeof(i->name)); 1137 switch (card_in(dev, n).type) { 1138 case SAA7134_INPUT_TV: 1139 case SAA7134_INPUT_TV_MONO: 1140 i->type = V4L2_INPUT_TYPE_TUNER; 1141 break; 1142 default: 1143 i->type = V4L2_INPUT_TYPE_CAMERA; 1144 break; 1145 } 1146 if (n == dev->ctl_input) { 1147 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1148 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1149 1150 if (0 != (v1 & 0x40)) 1151 i->status |= V4L2_IN_ST_NO_H_LOCK; 1152 if (0 != (v2 & 0x40)) 1153 i->status |= V4L2_IN_ST_NO_SIGNAL; 1154 if (0 != (v2 & 0x0e)) 1155 i->status |= V4L2_IN_ST_MACROVISION; 1156 } 1157 i->std = SAA7134_NORMS; 1158 return 0; 1159} 1160EXPORT_SYMBOL_GPL(saa7134_enum_input); 1161 1162int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1163{ 1164 struct saa7134_dev *dev = video_drvdata(file); 1165 1166 *i = dev->ctl_input; 1167 return 0; 1168} 1169EXPORT_SYMBOL_GPL(saa7134_g_input); 1170 1171int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1172{ 1173 struct saa7134_dev *dev = video_drvdata(file); 1174 1175 if (i >= SAA7134_INPUT_MAX) 1176 return -EINVAL; 1177 if (card_in(dev, i).type == SAA7134_NO_INPUT) 1178 return -EINVAL; 1179 video_mux(dev, i); 1180 return 0; 1181} 1182EXPORT_SYMBOL_GPL(saa7134_s_input); 1183 1184int saa7134_querycap(struct file *file, void *priv, 1185 struct v4l2_capability *cap) 1186{ 1187 struct saa7134_dev *dev = video_drvdata(file); 1188 1189 strscpy(cap->driver, "saa7134", sizeof(cap->driver)); 1190 strscpy(cap->card, saa7134_boards[dev->board].name, 1191 sizeof(cap->card)); 1192 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1193 V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE | 1194 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS; 1195 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1196 cap->capabilities |= V4L2_CAP_TUNER; 1197 if (dev->has_rds) 1198 cap->capabilities |= V4L2_CAP_RDS_CAPTURE; 1199 1200 return 0; 1201} 1202EXPORT_SYMBOL_GPL(saa7134_querycap); 1203 1204int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1205{ 1206 struct saa7134_dev *dev = video_drvdata(file); 1207 unsigned int i; 1208 v4l2_std_id fixup; 1209 1210 for (i = 0; i < TVNORMS; i++) 1211 if (id == tvnorms[i].id) 1212 break; 1213 1214 if (i == TVNORMS) 1215 for (i = 0; i < TVNORMS; i++) 1216 if (id & tvnorms[i].id) 1217 break; 1218 if (i == TVNORMS) 1219 return -EINVAL; 1220 1221 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1222 if (secam[0] == 'L' || secam[0] == 'l') { 1223 if (secam[1] == 'C' || secam[1] == 'c') 1224 fixup = V4L2_STD_SECAM_LC; 1225 else 1226 fixup = V4L2_STD_SECAM_L; 1227 } else { 1228 if (secam[0] == 'D' || secam[0] == 'd') 1229 fixup = V4L2_STD_SECAM_DK; 1230 else 1231 fixup = V4L2_STD_SECAM; 1232 } 1233 for (i = 0; i < TVNORMS; i++) { 1234 if (fixup == tvnorms[i].id) 1235 break; 1236 } 1237 if (i == TVNORMS) 1238 return -EINVAL; 1239 } 1240 1241 set_tvnorm(dev, &tvnorms[i]); 1242 1243 saa7134_tvaudio_do_scan(dev); 1244 return 0; 1245} 1246EXPORT_SYMBOL_GPL(saa7134_s_std); 1247 1248int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1249{ 1250 struct saa7134_dev *dev = video_drvdata(file); 1251 1252 *id = dev->tvnorm->id; 1253 return 0; 1254} 1255EXPORT_SYMBOL_GPL(saa7134_g_std); 1256 1257static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) 1258{ 1259 static v4l2_std_id stds[] = { 1260 V4L2_STD_UNKNOWN, 1261 V4L2_STD_NTSC, 1262 V4L2_STD_PAL, 1263 V4L2_STD_SECAM }; 1264 1265 v4l2_std_id result = 0; 1266 1267 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1268 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1269 1270 if (!(st2 & 0x1)) /* RDCAP == 0 */ 1271 result = V4L2_STD_UNKNOWN; 1272 else 1273 result = stds[st1 & 0x03]; 1274 1275 return result; 1276} 1277 1278int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) 1279{ 1280 struct saa7134_dev *dev = video_drvdata(file); 1281 *std &= saa7134_read_std(dev); 1282 return 0; 1283} 1284EXPORT_SYMBOL_GPL(saa7134_querystd); 1285 1286static int saa7134_g_pixelaspect(struct file *file, void *priv, 1287 int type, struct v4l2_fract *f) 1288{ 1289 struct saa7134_dev *dev = video_drvdata(file); 1290 1291 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1292 return -EINVAL; 1293 1294 if (dev->tvnorm->id & V4L2_STD_525_60) { 1295 f->numerator = 11; 1296 f->denominator = 10; 1297 } 1298 if (dev->tvnorm->id & V4L2_STD_625_50) { 1299 f->numerator = 54; 1300 f->denominator = 59; 1301 } 1302 return 0; 1303} 1304 1305static int saa7134_g_selection(struct file *file, void *priv, struct v4l2_selection *sel) 1306{ 1307 struct saa7134_dev *dev = video_drvdata(file); 1308 1309 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1310 return -EINVAL; 1311 1312 switch (sel->target) { 1313 case V4L2_SEL_TGT_CROP: 1314 sel->r = dev->crop_current; 1315 break; 1316 case V4L2_SEL_TGT_CROP_DEFAULT: 1317 sel->r = dev->crop_defrect; 1318 break; 1319 case V4L2_SEL_TGT_CROP_BOUNDS: 1320 sel->r = dev->crop_bounds; 1321 break; 1322 default: 1323 return -EINVAL; 1324 } 1325 return 0; 1326} 1327 1328static int saa7134_s_selection(struct file *file, void *priv, struct v4l2_selection *sel) 1329{ 1330 struct saa7134_dev *dev = video_drvdata(file); 1331 struct v4l2_rect *b = &dev->crop_bounds; 1332 struct v4l2_rect *c = &dev->crop_current; 1333 1334 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1335 return -EINVAL; 1336 1337 if (sel->target != V4L2_SEL_TGT_CROP) 1338 return -EINVAL; 1339 1340 if (vb2_is_streaming(&dev->video_vbq)) 1341 return -EBUSY; 1342 1343 *c = sel->r; 1344 if (c->top < b->top) 1345 c->top = b->top; 1346 if (c->top > b->top + b->height) 1347 c->top = b->top + b->height; 1348 if (c->height > b->top - c->top + b->height) 1349 c->height = b->top - c->top + b->height; 1350 1351 if (c->left < b->left) 1352 c->left = b->left; 1353 if (c->left > b->left + b->width) 1354 c->left = b->left + b->width; 1355 if (c->width > b->left - c->left + b->width) 1356 c->width = b->left - c->left + b->width; 1357 sel->r = *c; 1358 return 0; 1359} 1360 1361int saa7134_g_tuner(struct file *file, void *priv, 1362 struct v4l2_tuner *t) 1363{ 1364 struct saa7134_dev *dev = video_drvdata(file); 1365 int n; 1366 1367 if (0 != t->index) 1368 return -EINVAL; 1369 memset(t, 0, sizeof(*t)); 1370 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 1371 if (card_in(dev, n).type == SAA7134_INPUT_TV || 1372 card_in(dev, n).type == SAA7134_INPUT_TV_MONO) 1373 break; 1374 } 1375 if (n == SAA7134_INPUT_MAX) 1376 return -EINVAL; 1377 if (card_in(dev, n).type != SAA7134_NO_INPUT) { 1378 strscpy(t->name, "Television", sizeof(t->name)); 1379 t->type = V4L2_TUNER_ANALOG_TV; 1380 saa_call_all(dev, tuner, g_tuner, t); 1381 t->capability = V4L2_TUNER_CAP_NORM | 1382 V4L2_TUNER_CAP_STEREO | 1383 V4L2_TUNER_CAP_LANG1 | 1384 V4L2_TUNER_CAP_LANG2; 1385 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 1386 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 1387 } 1388 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 1389 t->signal = 0xffff; 1390 return 0; 1391} 1392EXPORT_SYMBOL_GPL(saa7134_g_tuner); 1393 1394int saa7134_s_tuner(struct file *file, void *priv, 1395 const struct v4l2_tuner *t) 1396{ 1397 struct saa7134_dev *dev = video_drvdata(file); 1398 int rx, mode; 1399 1400 if (0 != t->index) 1401 return -EINVAL; 1402 1403 mode = dev->thread.mode; 1404 if (UNSET == mode) { 1405 rx = saa7134_tvaudio_getstereo(dev); 1406 mode = saa7134_tvaudio_rx2mode(rx); 1407 } 1408 if (mode != t->audmode) 1409 dev->thread.mode = t->audmode; 1410 1411 return 0; 1412} 1413EXPORT_SYMBOL_GPL(saa7134_s_tuner); 1414 1415int saa7134_g_frequency(struct file *file, void *priv, 1416 struct v4l2_frequency *f) 1417{ 1418 struct saa7134_dev *dev = video_drvdata(file); 1419 1420 if (0 != f->tuner) 1421 return -EINVAL; 1422 1423 saa_call_all(dev, tuner, g_frequency, f); 1424 1425 return 0; 1426} 1427EXPORT_SYMBOL_GPL(saa7134_g_frequency); 1428 1429int saa7134_s_frequency(struct file *file, void *priv, 1430 const struct v4l2_frequency *f) 1431{ 1432 struct saa7134_dev *dev = video_drvdata(file); 1433 1434 if (0 != f->tuner) 1435 return -EINVAL; 1436 1437 saa_call_all(dev, tuner, s_frequency, f); 1438 1439 saa7134_tvaudio_do_scan(dev); 1440 return 0; 1441} 1442EXPORT_SYMBOL_GPL(saa7134_s_frequency); 1443 1444static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 1445 struct v4l2_fmtdesc *f) 1446{ 1447 if (f->index >= FORMATS) 1448 return -EINVAL; 1449 1450 f->pixelformat = formats[f->index].fourcc; 1451 1452 return 0; 1453} 1454 1455#ifdef CONFIG_VIDEO_ADV_DEBUG 1456static int vidioc_g_register (struct file *file, void *priv, 1457 struct v4l2_dbg_register *reg) 1458{ 1459 struct saa7134_dev *dev = video_drvdata(file); 1460 1461 reg->val = saa_readb(reg->reg & 0xffffff); 1462 reg->size = 1; 1463 return 0; 1464} 1465 1466static int vidioc_s_register (struct file *file, void *priv, 1467 const struct v4l2_dbg_register *reg) 1468{ 1469 struct saa7134_dev *dev = video_drvdata(file); 1470 1471 saa_writeb(reg->reg & 0xffffff, reg->val); 1472 return 0; 1473} 1474#endif 1475 1476static int radio_g_tuner(struct file *file, void *priv, 1477 struct v4l2_tuner *t) 1478{ 1479 struct saa7134_dev *dev = video_drvdata(file); 1480 1481 if (0 != t->index) 1482 return -EINVAL; 1483 1484 strscpy(t->name, "Radio", sizeof(t->name)); 1485 1486 saa_call_all(dev, tuner, g_tuner, t); 1487 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 1488 if (dev->input->amux == TV) { 1489 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 1490 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 1491 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 1492 } 1493 return 0; 1494} 1495static int radio_s_tuner(struct file *file, void *priv, 1496 const struct v4l2_tuner *t) 1497{ 1498 struct saa7134_dev *dev = video_drvdata(file); 1499 1500 if (0 != t->index) 1501 return -EINVAL; 1502 1503 saa_call_all(dev, tuner, s_tuner, t); 1504 return 0; 1505} 1506 1507static const struct v4l2_file_operations video_fops = 1508{ 1509 .owner = THIS_MODULE, 1510 .open = video_open, 1511 .release = video_release, 1512 .read = vb2_fop_read, 1513 .poll = vb2_fop_poll, 1514 .mmap = vb2_fop_mmap, 1515 .unlocked_ioctl = video_ioctl2, 1516}; 1517 1518static const struct v4l2_ioctl_ops video_ioctl_ops = { 1519 .vidioc_querycap = saa7134_querycap, 1520 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 1521 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 1522 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 1523 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 1524 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1525 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1526 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1527 .vidioc_g_pixelaspect = saa7134_g_pixelaspect, 1528 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1529 .vidioc_querybuf = vb2_ioctl_querybuf, 1530 .vidioc_qbuf = vb2_ioctl_qbuf, 1531 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1532 .vidioc_expbuf = vb2_ioctl_expbuf, 1533 .vidioc_s_std = saa7134_s_std, 1534 .vidioc_g_std = saa7134_g_std, 1535 .vidioc_querystd = saa7134_querystd, 1536 .vidioc_enum_input = saa7134_enum_input, 1537 .vidioc_g_input = saa7134_g_input, 1538 .vidioc_s_input = saa7134_s_input, 1539 .vidioc_streamon = vb2_ioctl_streamon, 1540 .vidioc_streamoff = vb2_ioctl_streamoff, 1541 .vidioc_g_tuner = saa7134_g_tuner, 1542 .vidioc_s_tuner = saa7134_s_tuner, 1543 .vidioc_g_selection = saa7134_g_selection, 1544 .vidioc_s_selection = saa7134_s_selection, 1545 .vidioc_g_frequency = saa7134_g_frequency, 1546 .vidioc_s_frequency = saa7134_s_frequency, 1547#ifdef CONFIG_VIDEO_ADV_DEBUG 1548 .vidioc_g_register = vidioc_g_register, 1549 .vidioc_s_register = vidioc_s_register, 1550#endif 1551 .vidioc_log_status = v4l2_ctrl_log_status, 1552 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1553 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1554}; 1555 1556static const struct v4l2_file_operations radio_fops = { 1557 .owner = THIS_MODULE, 1558 .open = video_open, 1559 .read = radio_read, 1560 .release = video_release, 1561 .unlocked_ioctl = video_ioctl2, 1562 .poll = radio_poll, 1563}; 1564 1565static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1566 .vidioc_querycap = saa7134_querycap, 1567 .vidioc_g_tuner = radio_g_tuner, 1568 .vidioc_s_tuner = radio_s_tuner, 1569 .vidioc_g_frequency = saa7134_g_frequency, 1570 .vidioc_s_frequency = saa7134_s_frequency, 1571 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1572 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1573}; 1574 1575/* ----------------------------------------------------------- */ 1576/* exported stuff */ 1577 1578struct video_device saa7134_video_template = { 1579 .name = "saa7134-video", 1580 .fops = &video_fops, 1581 .ioctl_ops = &video_ioctl_ops, 1582 .tvnorms = SAA7134_NORMS, 1583}; 1584 1585struct video_device saa7134_radio_template = { 1586 .name = "saa7134-radio", 1587 .fops = &radio_fops, 1588 .ioctl_ops = &radio_ioctl_ops, 1589}; 1590 1591static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { 1592 .s_ctrl = saa7134_s_ctrl, 1593}; 1594 1595static const struct v4l2_ctrl_config saa7134_ctrl_invert = { 1596 .ops = &saa7134_ctrl_ops, 1597 .id = V4L2_CID_PRIVATE_INVERT, 1598 .name = "Invert", 1599 .type = V4L2_CTRL_TYPE_BOOLEAN, 1600 .min = 0, 1601 .max = 1, 1602 .step = 1, 1603}; 1604 1605static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { 1606 .ops = &saa7134_ctrl_ops, 1607 .id = V4L2_CID_PRIVATE_Y_ODD, 1608 .name = "Y Offset Odd Field", 1609 .type = V4L2_CTRL_TYPE_INTEGER, 1610 .min = 0, 1611 .max = 128, 1612 .step = 1, 1613}; 1614 1615static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { 1616 .ops = &saa7134_ctrl_ops, 1617 .id = V4L2_CID_PRIVATE_Y_EVEN, 1618 .name = "Y Offset Even Field", 1619 .type = V4L2_CTRL_TYPE_INTEGER, 1620 .min = 0, 1621 .max = 128, 1622 .step = 1, 1623}; 1624 1625static const struct v4l2_ctrl_config saa7134_ctrl_automute = { 1626 .ops = &saa7134_ctrl_ops, 1627 .id = V4L2_CID_PRIVATE_AUTOMUTE, 1628 .name = "Automute", 1629 .type = V4L2_CTRL_TYPE_BOOLEAN, 1630 .min = 0, 1631 .max = 1, 1632 .step = 1, 1633 .def = 1, 1634}; 1635 1636int saa7134_video_init1(struct saa7134_dev *dev) 1637{ 1638 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; 1639 struct vb2_queue *q; 1640 int ret; 1641 1642 /* sanitycheck insmod options */ 1643 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 1644 gbuffers = 2; 1645 if (gbufsize > gbufsize_max) 1646 gbufsize = gbufsize_max; 1647 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 1648 1649 v4l2_ctrl_handler_init(hdl, 11); 1650 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1651 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1652 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1653 V4L2_CID_CONTRAST, 0, 127, 1, 68); 1654 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1655 V4L2_CID_SATURATION, 0, 127, 1, 64); 1656 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1657 V4L2_CID_HUE, -128, 127, 1, 0); 1658 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1659 V4L2_CID_HFLIP, 0, 1, 1, 0); 1660 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1661 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); 1662 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 1663 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); 1664 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); 1665 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); 1666 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); 1667 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); 1668 if (hdl->error) 1669 return hdl->error; 1670 if (card_has_radio(dev)) { 1671 hdl = &dev->radio_ctrl_handler; 1672 v4l2_ctrl_handler_init(hdl, 2); 1673 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, 1674 v4l2_ctrl_radio_filter, false); 1675 if (hdl->error) 1676 return hdl->error; 1677 } 1678 dev->ctl_mute = 1; 1679 1680 if (dev->tda9887_conf && saa7134_ctrl_automute.def) 1681 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1682 dev->automute = 0; 1683 1684 INIT_LIST_HEAD(&dev->video_q.queue); 1685 timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0); 1686 dev->video_q.dev = dev; 1687 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 1688 dev->width = 720; 1689 dev->height = 576; 1690 dev->field = V4L2_FIELD_INTERLACED; 1691 1692 if (saa7134_boards[dev->board].video_out) 1693 saa7134_videoport_init(dev); 1694 1695 q = &dev->video_vbq; 1696 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1697 /* 1698 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA 1699 * engine cannot handle transfers that do not start at the beginning 1700 * of a page. A user-provided pointer can start anywhere in a page, so 1701 * USERPTR support is a no-go unless the application knows about these 1702 * limitations and has special support for this. 1703 */ 1704 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; 1705 if (saa7134_userptr) 1706 q->io_modes |= VB2_USERPTR; 1707 q->drv_priv = &dev->video_q; 1708 q->ops = &vb2_qops; 1709 q->gfp_flags = GFP_DMA32; 1710 q->mem_ops = &vb2_dma_sg_memops; 1711 q->buf_struct_size = sizeof(struct saa7134_buf); 1712 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1713 q->lock = &dev->lock; 1714 q->dev = &dev->pci->dev; 1715 ret = vb2_queue_init(q); 1716 if (ret) 1717 return ret; 1718 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); 1719 1720 q = &dev->vbi_vbq; 1721 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1722 /* Don't add VB2_USERPTR, see comment above */ 1723 q->io_modes = VB2_MMAP | VB2_READ; 1724 if (saa7134_userptr) 1725 q->io_modes |= VB2_USERPTR; 1726 q->drv_priv = &dev->vbi_q; 1727 q->ops = &saa7134_vbi_qops; 1728 q->gfp_flags = GFP_DMA32; 1729 q->mem_ops = &vb2_dma_sg_memops; 1730 q->buf_struct_size = sizeof(struct saa7134_buf); 1731 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1732 q->lock = &dev->lock; 1733 q->dev = &dev->pci->dev; 1734 ret = vb2_queue_init(q); 1735 if (ret) 1736 return ret; 1737 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); 1738 1739 return 0; 1740} 1741 1742void saa7134_video_fini(struct saa7134_dev *dev) 1743{ 1744 timer_delete_sync(&dev->video_q.timeout); 1745 /* free stuff */ 1746 saa7134_pgtable_free(dev->pci, &dev->video_q.pt); 1747 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); 1748 v4l2_ctrl_handler_free(&dev->ctrl_handler); 1749 if (card_has_radio(dev)) 1750 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 1751} 1752 1753int saa7134_videoport_init(struct saa7134_dev *dev) 1754{ 1755 /* enable video output */ 1756 int vo = saa7134_boards[dev->board].video_out; 1757 int video_reg; 1758 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 1759 1760 /* Configure videoport */ 1761 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 1762 video_reg = video_out[vo][1]; 1763 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 1764 video_reg &= ~VP_T_CODE_P_INVERTED; 1765 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 1766 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 1767 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 1768 video_reg = video_out[vo][5]; 1769 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 1770 video_reg &= ~VP_CLK_CTRL2_DELAYED; 1771 if (vid_port_opts & SET_CLOCK_INVERTED) 1772 video_reg |= VP_CLK_CTRL1_INVERTED; 1773 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 1774 video_reg = video_out[vo][6]; 1775 if (vid_port_opts & SET_VSYNC_OFF) { 1776 video_reg &= ~VP_VS_TYPE_MASK; 1777 video_reg |= VP_VS_TYPE_OFF; 1778 } 1779 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 1780 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 1781 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 1782 1783 /* Start videoport */ 1784 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 1785 1786 return 0; 1787} 1788 1789int saa7134_video_init2(struct saa7134_dev *dev) 1790{ 1791 /* init video hw */ 1792 set_tvnorm(dev,&tvnorms[0]); 1793 video_mux(dev,0); 1794 v4l2_ctrl_handler_setup(&dev->ctrl_handler); 1795 saa7134_tvaudio_setmute(dev); 1796 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1797 return 0; 1798} 1799 1800void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 1801{ 1802 static const char *st[] = { 1803 "(no signal)", "NTSC", "PAL", "SECAM" }; 1804 u32 st1,st2; 1805 1806 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1807 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1808 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n", 1809 (st1 & 0x40) ? "not locked" : "locked", 1810 (st2 & 0x40) ? "no" : "yes", 1811 st[st1 & 0x03]); 1812 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 1813 1814 if (dev->nosignal) { 1815 /* no video signal -> mute audio */ 1816 if (dev->ctl_automute) 1817 dev->automute = 1; 1818 saa7134_tvaudio_setmute(dev); 1819 } else { 1820 /* wake up tvaudio audio carrier scan thread */ 1821 saa7134_tvaudio_do_scan(dev); 1822 } 1823 1824 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 1825 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 1826 else 1827 saa_setb(SAA7134_SYNC_CTRL, 0x20); 1828 1829 if (dev->mops && dev->mops->signal_change) 1830 dev->mops->signal_change(dev); 1831} 1832 1833 1834void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 1835{ 1836 enum v4l2_field field; 1837 1838 spin_lock(&dev->slock); 1839 if (dev->video_q.curr) { 1840 field = dev->field; 1841 if (V4L2_FIELD_HAS_BOTH(field)) { 1842 /* make sure we have seen both fields */ 1843 if ((status & 0x10) == 0x00) { 1844 dev->video_q.curr->top_seen = 1; 1845 goto done; 1846 } 1847 if (!dev->video_q.curr->top_seen) 1848 goto done; 1849 } else if (field == V4L2_FIELD_TOP) { 1850 if ((status & 0x10) != 0x10) 1851 goto done; 1852 } else if (field == V4L2_FIELD_BOTTOM) { 1853 if ((status & 0x10) != 0x00) 1854 goto done; 1855 } 1856 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); 1857 } 1858 saa7134_buffer_next(dev, &dev->video_q); 1859 1860 done: 1861 spin_unlock(&dev->slock); 1862}
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