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 19 #include "saa7134.h" 20 #include "saa7134-reg.h" 21 22 #include <linux/init.h> 23 #include <linux/list.h> 24 #include <linux/module.h> 25 #include <linux/kernel.h> 26 #include <linux/slab.h> 27 #include <linux/sort.h> 28 29 #include <media/v4l2-common.h> 30 #include <media/v4l2-event.h> 31 #include <media/i2c/saa6588.h> 32 33 /* ------------------------------------------------------------------ */ 34 35 unsigned int video_debug; 36 static unsigned int gbuffers = 8; 37 static unsigned int noninterlaced; /* 0 */ 38 static unsigned int gbufsize = 720*576*4; 39 static unsigned int gbufsize_max = 720*576*4; 40 static char secam[] = "--"; 41 module_param(video_debug, int, 0644); 42 MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); 43 module_param(gbuffers, int, 0444); 44 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); 45 module_param(noninterlaced, int, 0644); 46 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); 47 module_param_string(secam, secam, sizeof(secam), 0644); 48 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); 49 50 51 #define video_dbg(fmt, arg...) do { \ 52 if (video_debug & 0x04) \ 53 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \ 54 } while (0) 55 56 /* ------------------------------------------------------------------ */ 57 /* Defines for Video Output Port Register at address 0x191 */ 58 59 /* Bit 0: VIP code T bit polarity */ 60 61 #define VP_T_CODE_P_NON_INVERTED 0x00 62 #define VP_T_CODE_P_INVERTED 0x01 63 64 /* ------------------------------------------------------------------ */ 65 /* Defines for Video Output Port Register at address 0x195 */ 66 67 /* Bit 2: Video output clock delay control */ 68 69 #define VP_CLK_CTRL2_NOT_DELAYED 0x00 70 #define VP_CLK_CTRL2_DELAYED 0x04 71 72 /* Bit 1: Video output clock invert control */ 73 74 #define VP_CLK_CTRL1_NON_INVERTED 0x00 75 #define VP_CLK_CTRL1_INVERTED 0x02 76 77 /* ------------------------------------------------------------------ */ 78 /* Defines for Video Output Port Register at address 0x196 */ 79 80 /* Bits 2 to 0: VSYNC pin video vertical sync type */ 81 82 #define VP_VS_TYPE_MASK 0x07 83 84 #define VP_VS_TYPE_OFF 0x00 85 #define VP_VS_TYPE_V123 0x01 86 #define VP_VS_TYPE_V_ITU 0x02 87 #define VP_VS_TYPE_VGATE_L 0x03 88 #define VP_VS_TYPE_RESERVED1 0x04 89 #define VP_VS_TYPE_RESERVED2 0x05 90 #define VP_VS_TYPE_F_ITU 0x06 91 #define VP_VS_TYPE_SC_FID 0x07 92 93 /* ------------------------------------------------------------------ */ 94 /* data structs for video */ 95 96 static int video_out[][9] = { 97 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, 98 }; 99 100 static struct saa7134_format formats[] = { 101 { 102 .name = "8 bpp gray", 103 .fourcc = V4L2_PIX_FMT_GREY, 104 .depth = 8, 105 .pm = 0x06, 106 },{ 107 .name = "15 bpp RGB, le", 108 .fourcc = V4L2_PIX_FMT_RGB555, 109 .depth = 16, 110 .pm = 0x13 | 0x80, 111 },{ 112 .name = "15 bpp RGB, be", 113 .fourcc = V4L2_PIX_FMT_RGB555X, 114 .depth = 16, 115 .pm = 0x13 | 0x80, 116 .bswap = 1, 117 },{ 118 .name = "16 bpp RGB, le", 119 .fourcc = V4L2_PIX_FMT_RGB565, 120 .depth = 16, 121 .pm = 0x10 | 0x80, 122 },{ 123 .name = "16 bpp RGB, be", 124 .fourcc = V4L2_PIX_FMT_RGB565X, 125 .depth = 16, 126 .pm = 0x10 | 0x80, 127 .bswap = 1, 128 },{ 129 .name = "24 bpp RGB, le", 130 .fourcc = V4L2_PIX_FMT_BGR24, 131 .depth = 24, 132 .pm = 0x11, 133 },{ 134 .name = "24 bpp RGB, be", 135 .fourcc = V4L2_PIX_FMT_RGB24, 136 .depth = 24, 137 .pm = 0x11, 138 .bswap = 1, 139 },{ 140 .name = "32 bpp RGB, le", 141 .fourcc = V4L2_PIX_FMT_BGR32, 142 .depth = 32, 143 .pm = 0x12, 144 },{ 145 .name = "32 bpp RGB, be", 146 .fourcc = V4L2_PIX_FMT_RGB32, 147 .depth = 32, 148 .pm = 0x12, 149 .bswap = 1, 150 .wswap = 1, 151 },{ 152 .name = "4:2:2 packed, YUYV", 153 .fourcc = V4L2_PIX_FMT_YUYV, 154 .depth = 16, 155 .pm = 0x00, 156 .bswap = 1, 157 .yuv = 1, 158 },{ 159 .name = "4:2:2 packed, UYVY", 160 .fourcc = V4L2_PIX_FMT_UYVY, 161 .depth = 16, 162 .pm = 0x00, 163 .yuv = 1, 164 },{ 165 .name = "4:2:2 planar, Y-Cb-Cr", 166 .fourcc = V4L2_PIX_FMT_YUV422P, 167 .depth = 16, 168 .pm = 0x09, 169 .yuv = 1, 170 .planar = 1, 171 .hshift = 1, 172 .vshift = 0, 173 },{ 174 .name = "4:2:0 planar, Y-Cb-Cr", 175 .fourcc = V4L2_PIX_FMT_YUV420, 176 .depth = 12, 177 .pm = 0x0a, 178 .yuv = 1, 179 .planar = 1, 180 .hshift = 1, 181 .vshift = 1, 182 },{ 183 .name = "4:2:0 planar, Y-Cb-Cr", 184 .fourcc = V4L2_PIX_FMT_YVU420, 185 .depth = 12, 186 .pm = 0x0a, 187 .yuv = 1, 188 .planar = 1, 189 .uvswap = 1, 190 .hshift = 1, 191 .vshift = 1, 192 } 193 }; 194 #define FORMATS ARRAY_SIZE(formats) 195 196 #define NORM_625_50 \ 197 .h_start = 0, \ 198 .h_stop = 719, \ 199 .video_v_start = 24, \ 200 .video_v_stop = 311, \ 201 .vbi_v_start_0 = 7, \ 202 .vbi_v_stop_0 = 23, \ 203 .vbi_v_start_1 = 319, \ 204 .src_timing = 4 205 206 #define NORM_525_60 \ 207 .h_start = 0, \ 208 .h_stop = 719, \ 209 .video_v_start = 23, \ 210 .video_v_stop = 262, \ 211 .vbi_v_start_0 = 10, \ 212 .vbi_v_stop_0 = 21, \ 213 .vbi_v_start_1 = 273, \ 214 .src_timing = 7 215 216 static struct saa7134_tvnorm tvnorms[] = { 217 { 218 .name = "PAL", /* autodetect */ 219 .id = V4L2_STD_PAL, 220 NORM_625_50, 221 222 .sync_control = 0x18, 223 .luma_control = 0x40, 224 .chroma_ctrl1 = 0x81, 225 .chroma_gain = 0x2a, 226 .chroma_ctrl2 = 0x06, 227 .vgate_misc = 0x1c, 228 229 },{ 230 .name = "PAL-BG", 231 .id = V4L2_STD_PAL_BG, 232 NORM_625_50, 233 234 .sync_control = 0x18, 235 .luma_control = 0x40, 236 .chroma_ctrl1 = 0x81, 237 .chroma_gain = 0x2a, 238 .chroma_ctrl2 = 0x06, 239 .vgate_misc = 0x1c, 240 241 },{ 242 .name = "PAL-I", 243 .id = V4L2_STD_PAL_I, 244 NORM_625_50, 245 246 .sync_control = 0x18, 247 .luma_control = 0x40, 248 .chroma_ctrl1 = 0x81, 249 .chroma_gain = 0x2a, 250 .chroma_ctrl2 = 0x06, 251 .vgate_misc = 0x1c, 252 253 },{ 254 .name = "PAL-DK", 255 .id = V4L2_STD_PAL_DK, 256 NORM_625_50, 257 258 .sync_control = 0x18, 259 .luma_control = 0x40, 260 .chroma_ctrl1 = 0x81, 261 .chroma_gain = 0x2a, 262 .chroma_ctrl2 = 0x06, 263 .vgate_misc = 0x1c, 264 265 },{ 266 .name = "NTSC", 267 .id = V4L2_STD_NTSC, 268 NORM_525_60, 269 270 .sync_control = 0x59, 271 .luma_control = 0x40, 272 .chroma_ctrl1 = 0x89, 273 .chroma_gain = 0x2a, 274 .chroma_ctrl2 = 0x0e, 275 .vgate_misc = 0x18, 276 277 },{ 278 .name = "SECAM", 279 .id = V4L2_STD_SECAM, 280 NORM_625_50, 281 282 .sync_control = 0x18, 283 .luma_control = 0x1b, 284 .chroma_ctrl1 = 0xd1, 285 .chroma_gain = 0x80, 286 .chroma_ctrl2 = 0x00, 287 .vgate_misc = 0x1c, 288 289 },{ 290 .name = "SECAM-DK", 291 .id = V4L2_STD_SECAM_DK, 292 NORM_625_50, 293 294 .sync_control = 0x18, 295 .luma_control = 0x1b, 296 .chroma_ctrl1 = 0xd1, 297 .chroma_gain = 0x80, 298 .chroma_ctrl2 = 0x00, 299 .vgate_misc = 0x1c, 300 301 },{ 302 .name = "SECAM-L", 303 .id = V4L2_STD_SECAM_L, 304 NORM_625_50, 305 306 .sync_control = 0x18, 307 .luma_control = 0x1b, 308 .chroma_ctrl1 = 0xd1, 309 .chroma_gain = 0x80, 310 .chroma_ctrl2 = 0x00, 311 .vgate_misc = 0x1c, 312 313 },{ 314 .name = "SECAM-Lc", 315 .id = V4L2_STD_SECAM_LC, 316 NORM_625_50, 317 318 .sync_control = 0x18, 319 .luma_control = 0x1b, 320 .chroma_ctrl1 = 0xd1, 321 .chroma_gain = 0x80, 322 .chroma_ctrl2 = 0x00, 323 .vgate_misc = 0x1c, 324 325 },{ 326 .name = "PAL-M", 327 .id = V4L2_STD_PAL_M, 328 NORM_525_60, 329 330 .sync_control = 0x59, 331 .luma_control = 0x40, 332 .chroma_ctrl1 = 0xb9, 333 .chroma_gain = 0x2a, 334 .chroma_ctrl2 = 0x0e, 335 .vgate_misc = 0x18, 336 337 },{ 338 .name = "PAL-Nc", 339 .id = V4L2_STD_PAL_Nc, 340 NORM_625_50, 341 342 .sync_control = 0x18, 343 .luma_control = 0x40, 344 .chroma_ctrl1 = 0xa1, 345 .chroma_gain = 0x2a, 346 .chroma_ctrl2 = 0x06, 347 .vgate_misc = 0x1c, 348 349 },{ 350 .name = "PAL-60", 351 .id = V4L2_STD_PAL_60, 352 353 .h_start = 0, 354 .h_stop = 719, 355 .video_v_start = 23, 356 .video_v_stop = 262, 357 .vbi_v_start_0 = 10, 358 .vbi_v_stop_0 = 21, 359 .vbi_v_start_1 = 273, 360 .src_timing = 7, 361 362 .sync_control = 0x18, 363 .luma_control = 0x40, 364 .chroma_ctrl1 = 0x81, 365 .chroma_gain = 0x2a, 366 .chroma_ctrl2 = 0x06, 367 .vgate_misc = 0x1c, 368 } 369 }; 370 #define TVNORMS ARRAY_SIZE(tvnorms) 371 372 static struct saa7134_format* format_by_fourcc(unsigned int fourcc) 373 { 374 unsigned int i; 375 376 for (i = 0; i < FORMATS; i++) 377 if (formats[i].fourcc == fourcc) 378 return formats+i; 379 return NULL; 380 } 381 382 /* ------------------------------------------------------------------ */ 383 384 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) 385 { 386 video_dbg("set tv norm = %s\n", norm->name); 387 dev->tvnorm = norm; 388 389 /* setup cropping */ 390 dev->crop_bounds.left = norm->h_start; 391 dev->crop_defrect.left = norm->h_start; 392 dev->crop_bounds.width = norm->h_stop - norm->h_start +1; 393 dev->crop_defrect.width = norm->h_stop - norm->h_start +1; 394 395 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; 396 dev->crop_defrect.top = norm->video_v_start*2; 397 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) 398 - dev->crop_bounds.top; 399 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; 400 401 dev->crop_current = dev->crop_defrect; 402 403 saa7134_set_tvnorm_hw(dev); 404 } 405 406 static void video_mux(struct saa7134_dev *dev, int input) 407 { 408 video_dbg("video input = %d [%s]\n", 409 input, saa7134_input_name[card_in(dev, input).type]); 410 dev->ctl_input = input; 411 set_tvnorm(dev, dev->tvnorm); 412 saa7134_tvaudio_setinput(dev, &card_in(dev, input)); 413 } 414 415 416 static void saa7134_set_decoder(struct saa7134_dev *dev) 417 { 418 int luma_control, sync_control, chroma_ctrl1, mux; 419 420 struct saa7134_tvnorm *norm = dev->tvnorm; 421 mux = card_in(dev, dev->ctl_input).vmux; 422 423 luma_control = norm->luma_control; 424 sync_control = norm->sync_control; 425 chroma_ctrl1 = norm->chroma_ctrl1; 426 427 if (mux > 5) 428 luma_control |= 0x80; /* svideo */ 429 if (noninterlaced || dev->nosignal) 430 sync_control |= 0x20; 431 432 /* switch on auto standard detection */ 433 sync_control |= SAA7134_SYNC_CTRL_AUFD; 434 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0; 435 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC; 436 luma_control &= ~SAA7134_LUMA_CTRL_LDEL; 437 438 /* setup video decoder */ 439 saa_writeb(SAA7134_INCR_DELAY, 0x08); 440 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); 441 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); 442 443 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); 444 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); 445 saa_writeb(SAA7134_HSYNC_START, 0xeb); 446 saa_writeb(SAA7134_HSYNC_STOP, 0xe0); 447 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); 448 449 saa_writeb(SAA7134_SYNC_CTRL, sync_control); 450 saa_writeb(SAA7134_LUMA_CTRL, luma_control); 451 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); 452 453 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 454 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 455 456 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 457 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 458 459 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); 460 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); 461 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); 462 463 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); 464 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); 465 466 saa_writeb(SAA7134_ANALOG_ADC, 0x01); 467 saa_writeb(SAA7134_VGATE_START, 0x11); 468 saa_writeb(SAA7134_VGATE_STOP, 0xfe); 469 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); 470 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); 471 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); 472 } 473 474 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) 475 { 476 saa7134_set_decoder(dev); 477 478 saa_call_all(dev, video, s_std, dev->tvnorm->id); 479 /* Set the correct norm for the saa6752hs. This function 480 does nothing if there is no saa6752hs. */ 481 saa_call_empress(dev, video, s_std, dev->tvnorm->id); 482 } 483 484 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) 485 { 486 static const struct { 487 int xpsc; 488 int xacl; 489 int xc2_1; 490 int xdcg; 491 int vpfy; 492 } vals[] = { 493 /* XPSC XACL XC2_1 XDCG VPFY */ 494 { 1, 0, 0, 0, 0 }, 495 { 2, 2, 1, 2, 2 }, 496 { 3, 4, 1, 3, 2 }, 497 { 4, 8, 1, 4, 2 }, 498 { 5, 8, 1, 4, 2 }, 499 { 6, 8, 1, 4, 3 }, 500 { 7, 8, 1, 4, 3 }, 501 { 8, 15, 0, 4, 3 }, 502 { 9, 15, 0, 4, 3 }, 503 { 10, 16, 1, 5, 3 }, 504 }; 505 static const int count = ARRAY_SIZE(vals); 506 int i; 507 508 for (i = 0; i < count; i++) 509 if (vals[i].xpsc == prescale) 510 break; 511 if (i == count) 512 return; 513 514 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); 515 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); 516 saa_writeb(SAA7134_LEVEL_CTRL(task), 517 (vals[i].xc2_1 << 3) | (vals[i].xdcg)); 518 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, 519 (vals[i].vpfy << 2) | vals[i].vpfy); 520 } 521 522 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) 523 { 524 int val,mirror; 525 526 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); 527 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); 528 529 mirror = (dev->ctl_mirror) ? 0x02 : 0x00; 530 if (yscale < 2048) { 531 /* LPI */ 532 video_dbg("yscale LPI yscale=%d\n", yscale); 533 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); 534 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); 535 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); 536 } else { 537 /* ACM */ 538 val = 0x40 * 1024 / yscale; 539 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val); 540 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); 541 saa_writeb(SAA7134_LUMA_CONTRAST(task), val); 542 saa_writeb(SAA7134_CHROMA_SATURATION(task), val); 543 } 544 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); 545 } 546 547 static void set_size(struct saa7134_dev *dev, int task, 548 int width, int height, int interlace) 549 { 550 int prescale,xscale,yscale,y_even,y_odd; 551 int h_start, h_stop, v_start, v_stop; 552 int div = interlace ? 2 : 1; 553 554 /* setup video scaler */ 555 h_start = dev->crop_current.left; 556 v_start = dev->crop_current.top/2; 557 h_stop = (dev->crop_current.left + dev->crop_current.width -1); 558 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; 559 560 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); 561 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); 562 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); 563 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); 564 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); 565 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); 566 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); 567 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); 568 569 prescale = dev->crop_current.width / width; 570 if (0 == prescale) 571 prescale = 1; 572 xscale = 1024 * dev->crop_current.width / prescale / width; 573 yscale = 512 * div * dev->crop_current.height / height; 574 video_dbg("prescale=%d xscale=%d yscale=%d\n", 575 prescale, xscale, yscale); 576 set_h_prescale(dev,task,prescale); 577 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); 578 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); 579 set_v_scale(dev,task,yscale); 580 581 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); 582 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); 583 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); 584 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); 585 586 /* deinterlace y offsets */ 587 y_odd = dev->ctl_y_odd; 588 y_even = dev->ctl_y_even; 589 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); 590 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); 591 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); 592 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); 593 } 594 595 /* ------------------------------------------------------------------ */ 596 597 struct cliplist { 598 __u16 position; 599 __u8 enable; 600 __u8 disable; 601 }; 602 603 static void set_cliplist(struct saa7134_dev *dev, int reg, 604 struct cliplist *cl, int entries, char *name) 605 { 606 __u8 winbits = 0; 607 int i; 608 609 for (i = 0; i < entries; i++) { 610 winbits |= cl[i].enable; 611 winbits &= ~cl[i].disable; 612 if (i < 15 && cl[i].position == cl[i+1].position) 613 continue; 614 saa_writeb(reg + 0, winbits); 615 saa_writeb(reg + 2, cl[i].position & 0xff); 616 saa_writeb(reg + 3, cl[i].position >> 8); 617 video_dbg("clip: %s winbits=%02x pos=%d\n", 618 name,winbits,cl[i].position); 619 reg += 8; 620 } 621 for (; reg < 0x400; reg += 8) { 622 saa_writeb(reg+ 0, 0); 623 saa_writeb(reg + 1, 0); 624 saa_writeb(reg + 2, 0); 625 saa_writeb(reg + 3, 0); 626 } 627 } 628 629 static int clip_range(int val) 630 { 631 if (val < 0) 632 val = 0; 633 return val; 634 } 635 636 /* Sort into smallest position first order */ 637 static int cliplist_cmp(const void *a, const void *b) 638 { 639 const struct cliplist *cla = a; 640 const struct cliplist *clb = b; 641 if (cla->position < clb->position) 642 return -1; 643 if (cla->position > clb->position) 644 return 1; 645 return 0; 646 } 647 648 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, 649 int nclips, int interlace) 650 { 651 struct cliplist col[16], row[16]; 652 int cols = 0, rows = 0, i; 653 int div = interlace ? 2 : 1; 654 655 memset(col, 0, sizeof(col)); 656 memset(row, 0, sizeof(row)); 657 for (i = 0; i < nclips && i < 8; i++) { 658 col[cols].position = clip_range(clips[i].c.left); 659 col[cols].enable = (1 << i); 660 cols++; 661 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); 662 col[cols].disable = (1 << i); 663 cols++; 664 row[rows].position = clip_range(clips[i].c.top / div); 665 row[rows].enable = (1 << i); 666 rows++; 667 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) 668 / div); 669 row[rows].disable = (1 << i); 670 rows++; 671 } 672 sort(col, cols, sizeof col[0], cliplist_cmp, NULL); 673 sort(row, rows, sizeof row[0], cliplist_cmp, NULL); 674 set_cliplist(dev,0x380,col,cols,"cols"); 675 set_cliplist(dev,0x384,row,rows,"rows"); 676 return 0; 677 } 678 679 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try) 680 { 681 enum v4l2_field field; 682 int maxw, maxh; 683 684 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL)) 685 return -EINVAL; 686 if (win->w.width < 48) 687 win->w.width = 48; 688 if (win->w.height < 32) 689 win->w.height = 32; 690 if (win->clipcount > 8) 691 win->clipcount = 8; 692 693 win->chromakey = 0; 694 win->global_alpha = 0; 695 field = win->field; 696 maxw = dev->crop_current.width; 697 maxh = dev->crop_current.height; 698 699 if (V4L2_FIELD_ANY == field) { 700 field = (win->w.height > maxh/2) 701 ? V4L2_FIELD_INTERLACED 702 : V4L2_FIELD_TOP; 703 } 704 switch (field) { 705 case V4L2_FIELD_TOP: 706 case V4L2_FIELD_BOTTOM: 707 maxh = maxh / 2; 708 break; 709 default: 710 field = V4L2_FIELD_INTERLACED; 711 break; 712 } 713 714 win->field = field; 715 if (win->w.width > maxw) 716 win->w.width = maxw; 717 if (win->w.height > maxh) 718 win->w.height = maxh; 719 return 0; 720 } 721 722 static int start_preview(struct saa7134_dev *dev) 723 { 724 unsigned long base,control,bpl; 725 int err; 726 727 err = verify_preview(dev, &dev->win, false); 728 if (0 != err) 729 return err; 730 731 dev->ovfield = dev->win.field; 732 video_dbg("start_preview %dx%d+%d+%d %s field=%s\n", 733 dev->win.w.width, dev->win.w.height, 734 dev->win.w.left, dev->win.w.top, 735 dev->ovfmt->name, v4l2_field_names[dev->ovfield]); 736 737 /* setup window + clipping */ 738 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height, 739 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 740 setup_clipping(dev, dev->clips, dev->nclips, 741 V4L2_FIELD_HAS_BOTH(dev->ovfield)); 742 if (dev->ovfmt->yuv) 743 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); 744 else 745 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); 746 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); 747 748 /* dma: setup channel 1 (= Video Task B) */ 749 base = (unsigned long)dev->ovbuf.base; 750 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top; 751 base += dev->ovfmt->depth/8 * dev->win.w.left; 752 bpl = dev->ovbuf.fmt.bytesperline; 753 control = SAA7134_RS_CONTROL_BURST_16; 754 if (dev->ovfmt->bswap) 755 control |= SAA7134_RS_CONTROL_BSWAP; 756 if (dev->ovfmt->wswap) 757 control |= SAA7134_RS_CONTROL_WSWAP; 758 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { 759 saa_writel(SAA7134_RS_BA1(1),base); 760 saa_writel(SAA7134_RS_BA2(1),base+bpl); 761 saa_writel(SAA7134_RS_PITCH(1),bpl*2); 762 saa_writel(SAA7134_RS_CONTROL(1),control); 763 } else { 764 saa_writel(SAA7134_RS_BA1(1),base); 765 saa_writel(SAA7134_RS_BA2(1),base); 766 saa_writel(SAA7134_RS_PITCH(1),bpl); 767 saa_writel(SAA7134_RS_CONTROL(1),control); 768 } 769 770 /* start dma */ 771 dev->ovenable = 1; 772 saa7134_set_dmabits(dev); 773 774 return 0; 775 } 776 777 static int stop_preview(struct saa7134_dev *dev) 778 { 779 dev->ovenable = 0; 780 saa7134_set_dmabits(dev); 781 return 0; 782 } 783 784 /* 785 * Media Controller helper functions 786 */ 787 788 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) 789 { 790 #ifdef CONFIG_MEDIA_CONTROLLER 791 struct media_device *mdev = dev->media_dev; 792 struct media_entity *source; 793 struct media_link *link, *found_link = NULL; 794 int ret, active_links = 0; 795 796 if (!mdev || !dev->decoder) 797 return 0; 798 799 /* 800 * This will find the tuner that is connected into the decoder. 801 * Technically, this is not 100% correct, as the device may be 802 * using an analog input instead of the tuner. However, as we can't 803 * do DVB streaming while the DMA engine is being used for V4L2, 804 * this should be enough for the actual needs. 805 */ 806 list_for_each_entry(link, &dev->decoder->links, list) { 807 if (link->sink->entity == dev->decoder) { 808 found_link = link; 809 if (link->flags & MEDIA_LNK_FL_ENABLED) 810 active_links++; 811 break; 812 } 813 } 814 815 if (active_links == 1 || !found_link) 816 return 0; 817 818 source = found_link->source->entity; 819 list_for_each_entry(link, &source->links, list) { 820 struct media_entity *sink; 821 int flags = 0; 822 823 sink = link->sink->entity; 824 825 if (sink == dev->decoder) 826 flags = MEDIA_LNK_FL_ENABLED; 827 828 ret = media_entity_setup_link(link, flags); 829 if (ret) { 830 pr_err("Couldn't change link %s->%s to %s. Error %d\n", 831 source->name, sink->name, 832 flags ? "enabled" : "disabled", 833 ret); 834 return ret; 835 } 836 } 837 #endif 838 return 0; 839 } 840 841 /* ------------------------------------------------------------------ */ 842 843 static int buffer_activate(struct saa7134_dev *dev, 844 struct saa7134_buf *buf, 845 struct saa7134_buf *next) 846 { 847 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv; 848 unsigned long base,control,bpl; 849 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ 850 851 video_dbg("buffer_activate buf=%p\n", buf); 852 buf->top_seen = 0; 853 854 set_size(dev, TASK_A, dev->width, dev->height, 855 V4L2_FIELD_HAS_BOTH(dev->field)); 856 if (dev->fmt->yuv) 857 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); 858 else 859 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); 860 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm); 861 862 /* DMA: setup channel 0 (= Video Task A0) */ 863 base = saa7134_buffer_base(buf); 864 if (dev->fmt->planar) 865 bpl = dev->width; 866 else 867 bpl = (dev->width * dev->fmt->depth) / 8; 868 control = SAA7134_RS_CONTROL_BURST_16 | 869 SAA7134_RS_CONTROL_ME | 870 (dmaq->pt.dma >> 12); 871 if (dev->fmt->bswap) 872 control |= SAA7134_RS_CONTROL_BSWAP; 873 if (dev->fmt->wswap) 874 control |= SAA7134_RS_CONTROL_WSWAP; 875 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 876 /* interlaced */ 877 saa_writel(SAA7134_RS_BA1(0),base); 878 saa_writel(SAA7134_RS_BA2(0),base+bpl); 879 saa_writel(SAA7134_RS_PITCH(0),bpl*2); 880 } else { 881 /* non-interlaced */ 882 saa_writel(SAA7134_RS_BA1(0),base); 883 saa_writel(SAA7134_RS_BA2(0),base); 884 saa_writel(SAA7134_RS_PITCH(0),bpl); 885 } 886 saa_writel(SAA7134_RS_CONTROL(0),control); 887 888 if (dev->fmt->planar) { 889 /* DMA: setup channel 4+5 (= planar task A) */ 890 bpl_uv = bpl >> dev->fmt->hshift; 891 lines_uv = dev->height >> dev->fmt->vshift; 892 base2 = base + bpl * dev->height; 893 base3 = base2 + bpl_uv * lines_uv; 894 if (dev->fmt->uvswap) 895 tmp = base2, base2 = base3, base3 = tmp; 896 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", 897 bpl_uv,lines_uv,base2,base3); 898 if (V4L2_FIELD_HAS_BOTH(dev->field)) { 899 /* interlaced */ 900 saa_writel(SAA7134_RS_BA1(4),base2); 901 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); 902 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); 903 saa_writel(SAA7134_RS_BA1(5),base3); 904 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); 905 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); 906 } else { 907 /* non-interlaced */ 908 saa_writel(SAA7134_RS_BA1(4),base2); 909 saa_writel(SAA7134_RS_BA2(4),base2); 910 saa_writel(SAA7134_RS_PITCH(4),bpl_uv); 911 saa_writel(SAA7134_RS_BA1(5),base3); 912 saa_writel(SAA7134_RS_BA2(5),base3); 913 saa_writel(SAA7134_RS_PITCH(5),bpl_uv); 914 } 915 saa_writel(SAA7134_RS_CONTROL(4),control); 916 saa_writel(SAA7134_RS_CONTROL(5),control); 917 } 918 919 /* start DMA */ 920 saa7134_set_dmabits(dev); 921 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT); 922 return 0; 923 } 924 925 static int buffer_init(struct vb2_buffer *vb2) 926 { 927 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 928 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 929 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 930 931 dmaq->curr = NULL; 932 buf->activate = buffer_activate; 933 return 0; 934 } 935 936 static int buffer_prepare(struct vb2_buffer *vb2) 937 { 938 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; 939 struct saa7134_dev *dev = dmaq->dev; 940 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); 941 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 942 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0); 943 unsigned int size; 944 945 if (dma->sgl->offset) { 946 pr_err("The buffer is not page-aligned\n"); 947 return -EINVAL; 948 } 949 size = (dev->width * dev->height * dev->fmt->depth) >> 3; 950 if (vb2_plane_size(vb2, 0) < size) 951 return -EINVAL; 952 953 vb2_set_plane_payload(vb2, 0, size); 954 vbuf->field = dev->field; 955 956 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, 957 saa7134_buffer_startpage(buf)); 958 } 959 960 static int queue_setup(struct vb2_queue *q, 961 unsigned int *nbuffers, unsigned int *nplanes, 962 unsigned int sizes[], struct device *alloc_devs[]) 963 { 964 struct saa7134_dmaqueue *dmaq = q->drv_priv; 965 struct saa7134_dev *dev = dmaq->dev; 966 int size = dev->fmt->depth * dev->width * dev->height >> 3; 967 968 if (dev->width < 48 || 969 dev->height < 32 || 970 dev->width/4 > dev->crop_current.width || 971 dev->height/4 > dev->crop_current.height || 972 dev->width > dev->crop_bounds.width || 973 dev->height > dev->crop_bounds.height) 974 return -EINVAL; 975 976 *nbuffers = saa7134_buffer_count(size, *nbuffers); 977 *nplanes = 1; 978 sizes[0] = size; 979 980 saa7134_enable_analog_tuner(dev); 981 982 return 0; 983 } 984 985 /* 986 * move buffer to hardware queue 987 */ 988 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) 989 { 990 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; 991 struct saa7134_dev *dev = dmaq->dev; 992 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 993 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); 994 995 saa7134_buffer_queue(dev, dmaq, buf); 996 } 997 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); 998 999 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) 1000 { 1001 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 1002 struct saa7134_dev *dev = dmaq->dev; 1003 1004 /* 1005 * Planar video capture and TS share the same DMA channel, 1006 * so only one can be active at a time. 1007 */ 1008 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && 1009 dmaq == &dev->video_q && dev->fmt->planar) { 1010 struct saa7134_buf *buf, *tmp; 1011 1012 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { 1013 list_del(&buf->entry); 1014 vb2_buffer_done(&buf->vb2.vb2_buf, 1015 VB2_BUF_STATE_QUEUED); 1016 } 1017 if (dmaq->curr) { 1018 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf, 1019 VB2_BUF_STATE_QUEUED); 1020 dmaq->curr = NULL; 1021 } 1022 return -EBUSY; 1023 } 1024 1025 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when 1026 * configured conservatively, there's 22 usec of buffering for video. 1027 * We therefore request a DMA latency of 20 usec, giving us 2 usec of 1028 * margin in case the FIFO is configured differently to the datasheet. 1029 * Unfortunately, I lack register-level documentation to check the 1030 * Linux FIFO setup and confirm the perfect value. 1031 */ 1032 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 1033 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 1034 pm_qos_add_request(&dev->qos_request, 1035 PM_QOS_CPU_DMA_LATENCY, 20); 1036 dmaq->seq_nr = 0; 1037 1038 return 0; 1039 } 1040 1041 void saa7134_vb2_stop_streaming(struct vb2_queue *vq) 1042 { 1043 struct saa7134_dmaqueue *dmaq = vq->drv_priv; 1044 struct saa7134_dev *dev = dmaq->dev; 1045 1046 saa7134_stop_streaming(dev, dmaq); 1047 1048 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || 1049 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) 1050 pm_qos_remove_request(&dev->qos_request); 1051 } 1052 1053 static const struct vb2_ops vb2_qops = { 1054 .queue_setup = queue_setup, 1055 .buf_init = buffer_init, 1056 .buf_prepare = buffer_prepare, 1057 .buf_queue = saa7134_vb2_buffer_queue, 1058 .wait_prepare = vb2_ops_wait_prepare, 1059 .wait_finish = vb2_ops_wait_finish, 1060 .start_streaming = saa7134_vb2_start_streaming, 1061 .stop_streaming = saa7134_vb2_stop_streaming, 1062 }; 1063 1064 /* ------------------------------------------------------------------ */ 1065 1066 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) 1067 { 1068 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); 1069 unsigned long flags; 1070 int restart_overlay = 0; 1071 1072 switch (ctrl->id) { 1073 case V4L2_CID_BRIGHTNESS: 1074 dev->ctl_bright = ctrl->val; 1075 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); 1076 break; 1077 case V4L2_CID_HUE: 1078 dev->ctl_hue = ctrl->val; 1079 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); 1080 break; 1081 case V4L2_CID_CONTRAST: 1082 dev->ctl_contrast = ctrl->val; 1083 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1084 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1085 break; 1086 case V4L2_CID_SATURATION: 1087 dev->ctl_saturation = ctrl->val; 1088 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1089 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1090 break; 1091 case V4L2_CID_AUDIO_MUTE: 1092 dev->ctl_mute = ctrl->val; 1093 saa7134_tvaudio_setmute(dev); 1094 break; 1095 case V4L2_CID_AUDIO_VOLUME: 1096 dev->ctl_volume = ctrl->val; 1097 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 1098 break; 1099 case V4L2_CID_PRIVATE_INVERT: 1100 dev->ctl_invert = ctrl->val; 1101 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, 1102 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); 1103 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, 1104 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); 1105 break; 1106 case V4L2_CID_HFLIP: 1107 dev->ctl_mirror = ctrl->val; 1108 restart_overlay = 1; 1109 break; 1110 case V4L2_CID_PRIVATE_Y_EVEN: 1111 dev->ctl_y_even = ctrl->val; 1112 restart_overlay = 1; 1113 break; 1114 case V4L2_CID_PRIVATE_Y_ODD: 1115 dev->ctl_y_odd = ctrl->val; 1116 restart_overlay = 1; 1117 break; 1118 case V4L2_CID_PRIVATE_AUTOMUTE: 1119 { 1120 struct v4l2_priv_tun_config tda9887_cfg; 1121 1122 tda9887_cfg.tuner = TUNER_TDA9887; 1123 tda9887_cfg.priv = &dev->tda9887_conf; 1124 1125 dev->ctl_automute = ctrl->val; 1126 if (dev->tda9887_conf) { 1127 if (dev->ctl_automute) 1128 dev->tda9887_conf |= TDA9887_AUTOMUTE; 1129 else 1130 dev->tda9887_conf &= ~TDA9887_AUTOMUTE; 1131 1132 saa_call_all(dev, tuner, s_config, &tda9887_cfg); 1133 } 1134 break; 1135 } 1136 default: 1137 return -EINVAL; 1138 } 1139 if (restart_overlay && dev->overlay_owner) { 1140 spin_lock_irqsave(&dev->slock, flags); 1141 stop_preview(dev); 1142 start_preview(dev); 1143 spin_unlock_irqrestore(&dev->slock, flags); 1144 } 1145 return 0; 1146 } 1147 1148 /* ------------------------------------------------------------------ */ 1149 1150 static int video_open(struct file *file) 1151 { 1152 struct video_device *vdev = video_devdata(file); 1153 struct saa7134_dev *dev = video_drvdata(file); 1154 int ret = v4l2_fh_open(file); 1155 1156 if (ret < 0) 1157 return ret; 1158 1159 mutex_lock(&dev->lock); 1160 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1161 /* switch to radio mode */ 1162 saa7134_tvaudio_setinput(dev, &card(dev).radio); 1163 saa_call_all(dev, tuner, s_radio); 1164 } else { 1165 /* switch to video/vbi mode */ 1166 video_mux(dev, dev->ctl_input); 1167 } 1168 mutex_unlock(&dev->lock); 1169 1170 return 0; 1171 } 1172 1173 static int video_release(struct file *file) 1174 { 1175 struct video_device *vdev = video_devdata(file); 1176 struct saa7134_dev *dev = video_drvdata(file); 1177 struct v4l2_fh *fh = file->private_data; 1178 struct saa6588_command cmd; 1179 unsigned long flags; 1180 1181 mutex_lock(&dev->lock); 1182 saa7134_tvaudio_close(dev); 1183 1184 /* turn off overlay */ 1185 if (fh == dev->overlay_owner) { 1186 spin_lock_irqsave(&dev->slock,flags); 1187 stop_preview(dev); 1188 spin_unlock_irqrestore(&dev->slock,flags); 1189 dev->overlay_owner = NULL; 1190 } 1191 1192 if (vdev->vfl_type == VFL_TYPE_RADIO) 1193 v4l2_fh_release(file); 1194 else 1195 _vb2_fop_release(file, NULL); 1196 1197 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ 1198 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); 1199 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); 1200 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); 1201 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); 1202 1203 saa_call_all(dev, tuner, standby); 1204 if (vdev->vfl_type == VFL_TYPE_RADIO) 1205 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); 1206 mutex_unlock(&dev->lock); 1207 1208 return 0; 1209 } 1210 1211 static ssize_t radio_read(struct file *file, char __user *data, 1212 size_t count, loff_t *ppos) 1213 { 1214 struct saa7134_dev *dev = video_drvdata(file); 1215 struct saa6588_command cmd; 1216 1217 cmd.block_count = count/3; 1218 cmd.nonblocking = file->f_flags & O_NONBLOCK; 1219 cmd.buffer = data; 1220 cmd.instance = file; 1221 cmd.result = -ENODEV; 1222 1223 mutex_lock(&dev->lock); 1224 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); 1225 mutex_unlock(&dev->lock); 1226 1227 return cmd.result; 1228 } 1229 1230 static __poll_t radio_poll(struct file *file, poll_table *wait) 1231 { 1232 struct saa7134_dev *dev = video_drvdata(file); 1233 struct saa6588_command cmd; 1234 __poll_t rc = v4l2_ctrl_poll(file, wait); 1235 1236 cmd.instance = file; 1237 cmd.event_list = wait; 1238 cmd.poll_mask = 0; 1239 mutex_lock(&dev->lock); 1240 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); 1241 mutex_unlock(&dev->lock); 1242 1243 return rc | cmd.poll_mask; 1244 } 1245 1246 /* ------------------------------------------------------------------ */ 1247 1248 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, 1249 struct v4l2_format *f) 1250 { 1251 struct saa7134_dev *dev = video_drvdata(file); 1252 struct saa7134_tvnorm *norm = dev->tvnorm; 1253 1254 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1255 f->fmt.vbi.sampling_rate = 6750000 * 4; 1256 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; 1257 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1258 f->fmt.vbi.offset = 64 * 4; 1259 f->fmt.vbi.start[0] = norm->vbi_v_start_0; 1260 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; 1261 f->fmt.vbi.start[1] = norm->vbi_v_start_1; 1262 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1263 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ 1264 1265 return 0; 1266 } 1267 1268 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, 1269 struct v4l2_format *f) 1270 { 1271 struct saa7134_dev *dev = video_drvdata(file); 1272 1273 f->fmt.pix.width = dev->width; 1274 f->fmt.pix.height = dev->height; 1275 f->fmt.pix.field = dev->field; 1276 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1277 if (dev->fmt->planar) 1278 f->fmt.pix.bytesperline = f->fmt.pix.width; 1279 else 1280 f->fmt.pix.bytesperline = 1281 (f->fmt.pix.width * dev->fmt->depth) / 8; 1282 f->fmt.pix.sizeimage = 1283 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8; 1284 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1285 return 0; 1286 } 1287 1288 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, 1289 struct v4l2_format *f) 1290 { 1291 struct saa7134_dev *dev = video_drvdata(file); 1292 struct v4l2_clip __user *clips = f->fmt.win.clips; 1293 u32 clipcount = f->fmt.win.clipcount; 1294 int err = 0; 1295 int i; 1296 1297 if (saa7134_no_overlay > 0) { 1298 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1299 return -EINVAL; 1300 } 1301 f->fmt.win = dev->win; 1302 f->fmt.win.clips = clips; 1303 if (clips == NULL) 1304 clipcount = 0; 1305 if (dev->nclips < clipcount) 1306 clipcount = dev->nclips; 1307 f->fmt.win.clipcount = clipcount; 1308 1309 for (i = 0; !err && i < clipcount; i++) { 1310 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, 1311 sizeof(struct v4l2_rect))) 1312 err = -EFAULT; 1313 } 1314 1315 return err; 1316 } 1317 1318 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, 1319 struct v4l2_format *f) 1320 { 1321 struct saa7134_dev *dev = video_drvdata(file); 1322 struct saa7134_format *fmt; 1323 enum v4l2_field field; 1324 unsigned int maxw, maxh; 1325 1326 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1327 if (NULL == fmt) 1328 return -EINVAL; 1329 1330 field = f->fmt.pix.field; 1331 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); 1332 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); 1333 1334 if (V4L2_FIELD_ANY == field) { 1335 field = (f->fmt.pix.height > maxh/2) 1336 ? V4L2_FIELD_INTERLACED 1337 : V4L2_FIELD_BOTTOM; 1338 } 1339 switch (field) { 1340 case V4L2_FIELD_TOP: 1341 case V4L2_FIELD_BOTTOM: 1342 maxh = maxh / 2; 1343 break; 1344 default: 1345 field = V4L2_FIELD_INTERLACED; 1346 break; 1347 } 1348 1349 f->fmt.pix.field = field; 1350 if (f->fmt.pix.width < 48) 1351 f->fmt.pix.width = 48; 1352 if (f->fmt.pix.height < 32) 1353 f->fmt.pix.height = 32; 1354 if (f->fmt.pix.width > maxw) 1355 f->fmt.pix.width = maxw; 1356 if (f->fmt.pix.height > maxh) 1357 f->fmt.pix.height = maxh; 1358 f->fmt.pix.width &= ~0x03; 1359 if (fmt->planar) 1360 f->fmt.pix.bytesperline = f->fmt.pix.width; 1361 else 1362 f->fmt.pix.bytesperline = 1363 (f->fmt.pix.width * fmt->depth) / 8; 1364 f->fmt.pix.sizeimage = 1365 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8; 1366 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1367 1368 return 0; 1369 } 1370 1371 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, 1372 struct v4l2_format *f) 1373 { 1374 struct saa7134_dev *dev = video_drvdata(file); 1375 1376 if (saa7134_no_overlay > 0) { 1377 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1378 return -EINVAL; 1379 } 1380 1381 if (f->fmt.win.clips == NULL) 1382 f->fmt.win.clipcount = 0; 1383 return verify_preview(dev, &f->fmt.win, true); 1384 } 1385 1386 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, 1387 struct v4l2_format *f) 1388 { 1389 struct saa7134_dev *dev = video_drvdata(file); 1390 int err; 1391 1392 err = saa7134_try_fmt_vid_cap(file, priv, f); 1393 if (0 != err) 1394 return err; 1395 1396 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1397 dev->width = f->fmt.pix.width; 1398 dev->height = f->fmt.pix.height; 1399 dev->field = f->fmt.pix.field; 1400 return 0; 1401 } 1402 1403 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, 1404 struct v4l2_format *f) 1405 { 1406 struct saa7134_dev *dev = video_drvdata(file); 1407 int err; 1408 unsigned long flags; 1409 1410 if (saa7134_no_overlay > 0) { 1411 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1412 return -EINVAL; 1413 } 1414 if (f->fmt.win.clips == NULL) 1415 f->fmt.win.clipcount = 0; 1416 err = verify_preview(dev, &f->fmt.win, true); 1417 if (0 != err) 1418 return err; 1419 1420 dev->win = f->fmt.win; 1421 dev->nclips = f->fmt.win.clipcount; 1422 1423 if (copy_from_user(dev->clips, f->fmt.win.clips, 1424 sizeof(struct v4l2_clip) * dev->nclips)) 1425 return -EFAULT; 1426 1427 if (priv == dev->overlay_owner) { 1428 spin_lock_irqsave(&dev->slock, flags); 1429 stop_preview(dev); 1430 start_preview(dev); 1431 spin_unlock_irqrestore(&dev->slock, flags); 1432 } 1433 1434 return 0; 1435 } 1436 1437 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1438 { 1439 struct saa7134_dev *dev = video_drvdata(file); 1440 unsigned int n; 1441 1442 n = i->index; 1443 if (n >= SAA7134_INPUT_MAX) 1444 return -EINVAL; 1445 if (card_in(dev, i->index).type == SAA7134_NO_INPUT) 1446 return -EINVAL; 1447 i->index = n; 1448 strcpy(i->name, saa7134_input_name[card_in(dev, n).type]); 1449 switch (card_in(dev, n).type) { 1450 case SAA7134_INPUT_TV: 1451 case SAA7134_INPUT_TV_MONO: 1452 i->type = V4L2_INPUT_TYPE_TUNER; 1453 break; 1454 default: 1455 i->type = V4L2_INPUT_TYPE_CAMERA; 1456 break; 1457 } 1458 if (n == dev->ctl_input) { 1459 int v1 = saa_readb(SAA7134_STATUS_VIDEO1); 1460 int v2 = saa_readb(SAA7134_STATUS_VIDEO2); 1461 1462 if (0 != (v1 & 0x40)) 1463 i->status |= V4L2_IN_ST_NO_H_LOCK; 1464 if (0 != (v2 & 0x40)) 1465 i->status |= V4L2_IN_ST_NO_SIGNAL; 1466 if (0 != (v2 & 0x0e)) 1467 i->status |= V4L2_IN_ST_MACROVISION; 1468 } 1469 i->std = SAA7134_NORMS; 1470 return 0; 1471 } 1472 EXPORT_SYMBOL_GPL(saa7134_enum_input); 1473 1474 int saa7134_g_input(struct file *file, void *priv, unsigned int *i) 1475 { 1476 struct saa7134_dev *dev = video_drvdata(file); 1477 1478 *i = dev->ctl_input; 1479 return 0; 1480 } 1481 EXPORT_SYMBOL_GPL(saa7134_g_input); 1482 1483 int saa7134_s_input(struct file *file, void *priv, unsigned int i) 1484 { 1485 struct saa7134_dev *dev = video_drvdata(file); 1486 1487 if (i >= SAA7134_INPUT_MAX) 1488 return -EINVAL; 1489 if (card_in(dev, i).type == SAA7134_NO_INPUT) 1490 return -EINVAL; 1491 video_mux(dev, i); 1492 return 0; 1493 } 1494 EXPORT_SYMBOL_GPL(saa7134_s_input); 1495 1496 int saa7134_querycap(struct file *file, void *priv, 1497 struct v4l2_capability *cap) 1498 { 1499 struct saa7134_dev *dev = video_drvdata(file); 1500 struct video_device *vdev = video_devdata(file); 1501 u32 radio_caps, video_caps, vbi_caps; 1502 1503 unsigned int tuner_type = dev->tuner_type; 1504 1505 strcpy(cap->driver, "saa7134"); 1506 strlcpy(cap->card, saa7134_boards[dev->board].name, 1507 sizeof(cap->card)); 1508 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1509 1510 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1511 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET)) 1512 cap->device_caps |= V4L2_CAP_TUNER; 1513 1514 radio_caps = V4L2_CAP_RADIO; 1515 if (dev->has_rds) 1516 radio_caps |= V4L2_CAP_RDS_CAPTURE; 1517 1518 video_caps = V4L2_CAP_VIDEO_CAPTURE; 1519 if (saa7134_no_overlay <= 0 && !is_empress(file)) 1520 video_caps |= V4L2_CAP_VIDEO_OVERLAY; 1521 1522 vbi_caps = V4L2_CAP_VBI_CAPTURE; 1523 1524 switch (vdev->vfl_type) { 1525 case VFL_TYPE_RADIO: 1526 cap->device_caps |= radio_caps; 1527 break; 1528 case VFL_TYPE_GRABBER: 1529 cap->device_caps |= video_caps; 1530 break; 1531 case VFL_TYPE_VBI: 1532 cap->device_caps |= vbi_caps; 1533 break; 1534 default: 1535 return -EINVAL; 1536 } 1537 cap->capabilities = radio_caps | video_caps | vbi_caps | 1538 cap->device_caps | V4L2_CAP_DEVICE_CAPS; 1539 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1540 cap->device_caps &= ~V4L2_CAP_STREAMING; 1541 if (!dev->has_rds) 1542 cap->device_caps &= ~V4L2_CAP_READWRITE; 1543 } 1544 1545 return 0; 1546 } 1547 EXPORT_SYMBOL_GPL(saa7134_querycap); 1548 1549 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) 1550 { 1551 struct saa7134_dev *dev = video_drvdata(file); 1552 struct v4l2_fh *fh = priv; 1553 unsigned long flags; 1554 unsigned int i; 1555 v4l2_std_id fixup; 1556 1557 if (is_empress(file) && dev->overlay_owner) { 1558 /* Don't change the std from the mpeg device 1559 if overlay is active. */ 1560 return -EBUSY; 1561 } 1562 1563 for (i = 0; i < TVNORMS; i++) 1564 if (id == tvnorms[i].id) 1565 break; 1566 1567 if (i == TVNORMS) 1568 for (i = 0; i < TVNORMS; i++) 1569 if (id & tvnorms[i].id) 1570 break; 1571 if (i == TVNORMS) 1572 return -EINVAL; 1573 1574 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { 1575 if (secam[0] == 'L' || secam[0] == 'l') { 1576 if (secam[1] == 'C' || secam[1] == 'c') 1577 fixup = V4L2_STD_SECAM_LC; 1578 else 1579 fixup = V4L2_STD_SECAM_L; 1580 } else { 1581 if (secam[0] == 'D' || secam[0] == 'd') 1582 fixup = V4L2_STD_SECAM_DK; 1583 else 1584 fixup = V4L2_STD_SECAM; 1585 } 1586 for (i = 0; i < TVNORMS; i++) { 1587 if (fixup == tvnorms[i].id) 1588 break; 1589 } 1590 if (i == TVNORMS) 1591 return -EINVAL; 1592 } 1593 1594 id = tvnorms[i].id; 1595 1596 if (!is_empress(file) && fh == dev->overlay_owner) { 1597 spin_lock_irqsave(&dev->slock, flags); 1598 stop_preview(dev); 1599 spin_unlock_irqrestore(&dev->slock, flags); 1600 1601 set_tvnorm(dev, &tvnorms[i]); 1602 1603 spin_lock_irqsave(&dev->slock, flags); 1604 start_preview(dev); 1605 spin_unlock_irqrestore(&dev->slock, flags); 1606 } else 1607 set_tvnorm(dev, &tvnorms[i]); 1608 1609 saa7134_tvaudio_do_scan(dev); 1610 return 0; 1611 } 1612 EXPORT_SYMBOL_GPL(saa7134_s_std); 1613 1614 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) 1615 { 1616 struct saa7134_dev *dev = video_drvdata(file); 1617 1618 *id = dev->tvnorm->id; 1619 return 0; 1620 } 1621 EXPORT_SYMBOL_GPL(saa7134_g_std); 1622 1623 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) 1624 { 1625 static v4l2_std_id stds[] = { 1626 V4L2_STD_UNKNOWN, 1627 V4L2_STD_NTSC, 1628 V4L2_STD_PAL, 1629 V4L2_STD_SECAM }; 1630 1631 v4l2_std_id result = 0; 1632 1633 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 1634 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 1635 1636 if (!(st2 & 0x1)) /* RDCAP == 0 */ 1637 result = V4L2_STD_UNKNOWN; 1638 else 1639 result = stds[st1 & 0x03]; 1640 1641 return result; 1642 } 1643 1644 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) 1645 { 1646 struct saa7134_dev *dev = video_drvdata(file); 1647 *std &= saa7134_read_std(dev); 1648 return 0; 1649 } 1650 EXPORT_SYMBOL_GPL(saa7134_querystd); 1651 1652 static int saa7134_cropcap(struct file *file, void *priv, 1653 struct v4l2_cropcap *cap) 1654 { 1655 struct saa7134_dev *dev = video_drvdata(file); 1656 1657 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1658 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1659 return -EINVAL; 1660 cap->pixelaspect.numerator = 1; 1661 cap->pixelaspect.denominator = 1; 1662 if (dev->tvnorm->id & V4L2_STD_525_60) { 1663 cap->pixelaspect.numerator = 11; 1664 cap->pixelaspect.denominator = 10; 1665 } 1666 if (dev->tvnorm->id & V4L2_STD_625_50) { 1667 cap->pixelaspect.numerator = 54; 1668 cap->pixelaspect.denominator = 59; 1669 } 1670 return 0; 1671 } 1672 1673 static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel) 1674 { 1675 struct saa7134_dev *dev = video_drvdata(file); 1676 1677 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1678 sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1679 return -EINVAL; 1680 1681 switch (sel->target) { 1682 case V4L2_SEL_TGT_CROP: 1683 sel->r = dev->crop_current; 1684 break; 1685 case V4L2_SEL_TGT_CROP_DEFAULT: 1686 sel->r = dev->crop_defrect; 1687 break; 1688 case V4L2_SEL_TGT_CROP_BOUNDS: 1689 sel->r = dev->crop_bounds; 1690 break; 1691 default: 1692 return -EINVAL; 1693 } 1694 return 0; 1695 } 1696 1697 static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel) 1698 { 1699 struct saa7134_dev *dev = video_drvdata(file); 1700 struct v4l2_rect *b = &dev->crop_bounds; 1701 struct v4l2_rect *c = &dev->crop_current; 1702 1703 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1704 sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) 1705 return -EINVAL; 1706 1707 if (sel->target != V4L2_SEL_TGT_CROP) 1708 return -EINVAL; 1709 1710 if (dev->overlay_owner) 1711 return -EBUSY; 1712 if (vb2_is_streaming(&dev->video_vbq)) 1713 return -EBUSY; 1714 1715 *c = sel->r; 1716 if (c->top < b->top) 1717 c->top = b->top; 1718 if (c->top > b->top + b->height) 1719 c->top = b->top + b->height; 1720 if (c->height > b->top - c->top + b->height) 1721 c->height = b->top - c->top + b->height; 1722 1723 if (c->left < b->left) 1724 c->left = b->left; 1725 if (c->left > b->left + b->width) 1726 c->left = b->left + b->width; 1727 if (c->width > b->left - c->left + b->width) 1728 c->width = b->left - c->left + b->width; 1729 sel->r = *c; 1730 return 0; 1731 } 1732 1733 int saa7134_g_tuner(struct file *file, void *priv, 1734 struct v4l2_tuner *t) 1735 { 1736 struct saa7134_dev *dev = video_drvdata(file); 1737 int n; 1738 1739 if (0 != t->index) 1740 return -EINVAL; 1741 memset(t, 0, sizeof(*t)); 1742 for (n = 0; n < SAA7134_INPUT_MAX; n++) { 1743 if (card_in(dev, n).type == SAA7134_INPUT_TV || 1744 card_in(dev, n).type == SAA7134_INPUT_TV_MONO) 1745 break; 1746 } 1747 if (n == SAA7134_INPUT_MAX) 1748 return -EINVAL; 1749 if (card_in(dev, n).type != SAA7134_NO_INPUT) { 1750 strcpy(t->name, "Television"); 1751 t->type = V4L2_TUNER_ANALOG_TV; 1752 saa_call_all(dev, tuner, g_tuner, t); 1753 t->capability = V4L2_TUNER_CAP_NORM | 1754 V4L2_TUNER_CAP_STEREO | 1755 V4L2_TUNER_CAP_LANG1 | 1756 V4L2_TUNER_CAP_LANG2; 1757 t->rxsubchans = saa7134_tvaudio_getstereo(dev); 1758 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); 1759 } 1760 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) 1761 t->signal = 0xffff; 1762 return 0; 1763 } 1764 EXPORT_SYMBOL_GPL(saa7134_g_tuner); 1765 1766 int saa7134_s_tuner(struct file *file, void *priv, 1767 const struct v4l2_tuner *t) 1768 { 1769 struct saa7134_dev *dev = video_drvdata(file); 1770 int rx, mode; 1771 1772 if (0 != t->index) 1773 return -EINVAL; 1774 1775 mode = dev->thread.mode; 1776 if (UNSET == mode) { 1777 rx = saa7134_tvaudio_getstereo(dev); 1778 mode = saa7134_tvaudio_rx2mode(rx); 1779 } 1780 if (mode != t->audmode) 1781 dev->thread.mode = t->audmode; 1782 1783 return 0; 1784 } 1785 EXPORT_SYMBOL_GPL(saa7134_s_tuner); 1786 1787 int saa7134_g_frequency(struct file *file, void *priv, 1788 struct v4l2_frequency *f) 1789 { 1790 struct saa7134_dev *dev = video_drvdata(file); 1791 1792 if (0 != f->tuner) 1793 return -EINVAL; 1794 1795 saa_call_all(dev, tuner, g_frequency, f); 1796 1797 return 0; 1798 } 1799 EXPORT_SYMBOL_GPL(saa7134_g_frequency); 1800 1801 int saa7134_s_frequency(struct file *file, void *priv, 1802 const struct v4l2_frequency *f) 1803 { 1804 struct saa7134_dev *dev = video_drvdata(file); 1805 1806 if (0 != f->tuner) 1807 return -EINVAL; 1808 1809 saa_call_all(dev, tuner, s_frequency, f); 1810 1811 saa7134_tvaudio_do_scan(dev); 1812 return 0; 1813 } 1814 EXPORT_SYMBOL_GPL(saa7134_s_frequency); 1815 1816 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, 1817 struct v4l2_fmtdesc *f) 1818 { 1819 if (f->index >= FORMATS) 1820 return -EINVAL; 1821 1822 strlcpy(f->description, formats[f->index].name, 1823 sizeof(f->description)); 1824 1825 f->pixelformat = formats[f->index].fourcc; 1826 1827 return 0; 1828 } 1829 1830 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, 1831 struct v4l2_fmtdesc *f) 1832 { 1833 if (saa7134_no_overlay > 0) { 1834 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); 1835 return -EINVAL; 1836 } 1837 1838 if ((f->index >= FORMATS) || formats[f->index].planar) 1839 return -EINVAL; 1840 1841 strlcpy(f->description, formats[f->index].name, 1842 sizeof(f->description)); 1843 1844 f->pixelformat = formats[f->index].fourcc; 1845 1846 return 0; 1847 } 1848 1849 static int saa7134_g_fbuf(struct file *file, void *f, 1850 struct v4l2_framebuffer *fb) 1851 { 1852 struct saa7134_dev *dev = video_drvdata(file); 1853 1854 *fb = dev->ovbuf; 1855 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; 1856 1857 return 0; 1858 } 1859 1860 static int saa7134_s_fbuf(struct file *file, void *f, 1861 const struct v4l2_framebuffer *fb) 1862 { 1863 struct saa7134_dev *dev = video_drvdata(file); 1864 struct saa7134_format *fmt; 1865 1866 if (!capable(CAP_SYS_ADMIN) && 1867 !capable(CAP_SYS_RAWIO)) 1868 return -EPERM; 1869 1870 /* check args */ 1871 fmt = format_by_fourcc(fb->fmt.pixelformat); 1872 if (NULL == fmt) 1873 return -EINVAL; 1874 1875 /* ok, accept it */ 1876 dev->ovbuf = *fb; 1877 dev->ovfmt = fmt; 1878 if (0 == dev->ovbuf.fmt.bytesperline) 1879 dev->ovbuf.fmt.bytesperline = 1880 dev->ovbuf.fmt.width*fmt->depth/8; 1881 return 0; 1882 } 1883 1884 static int saa7134_overlay(struct file *file, void *priv, unsigned int on) 1885 { 1886 struct saa7134_dev *dev = video_drvdata(file); 1887 unsigned long flags; 1888 1889 if (on) { 1890 if (saa7134_no_overlay > 0) { 1891 video_dbg("no_overlay\n"); 1892 return -EINVAL; 1893 } 1894 1895 if (dev->overlay_owner && priv != dev->overlay_owner) 1896 return -EBUSY; 1897 dev->overlay_owner = priv; 1898 spin_lock_irqsave(&dev->slock, flags); 1899 start_preview(dev); 1900 spin_unlock_irqrestore(&dev->slock, flags); 1901 } 1902 if (!on) { 1903 if (priv != dev->overlay_owner) 1904 return -EINVAL; 1905 spin_lock_irqsave(&dev->slock, flags); 1906 stop_preview(dev); 1907 spin_unlock_irqrestore(&dev->slock, flags); 1908 dev->overlay_owner = NULL; 1909 } 1910 return 0; 1911 } 1912 1913 #ifdef CONFIG_VIDEO_ADV_DEBUG 1914 static int vidioc_g_register (struct file *file, void *priv, 1915 struct v4l2_dbg_register *reg) 1916 { 1917 struct saa7134_dev *dev = video_drvdata(file); 1918 1919 reg->val = saa_readb(reg->reg & 0xffffff); 1920 reg->size = 1; 1921 return 0; 1922 } 1923 1924 static int vidioc_s_register (struct file *file, void *priv, 1925 const struct v4l2_dbg_register *reg) 1926 { 1927 struct saa7134_dev *dev = video_drvdata(file); 1928 1929 saa_writeb(reg->reg & 0xffffff, reg->val); 1930 return 0; 1931 } 1932 #endif 1933 1934 static int radio_g_tuner(struct file *file, void *priv, 1935 struct v4l2_tuner *t) 1936 { 1937 struct saa7134_dev *dev = video_drvdata(file); 1938 1939 if (0 != t->index) 1940 return -EINVAL; 1941 1942 strcpy(t->name, "Radio"); 1943 1944 saa_call_all(dev, tuner, g_tuner, t); 1945 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; 1946 if (dev->input->amux == TV) { 1947 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); 1948 t->rxsubchans = (saa_readb(0x529) & 0x08) ? 1949 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; 1950 } 1951 return 0; 1952 } 1953 static int radio_s_tuner(struct file *file, void *priv, 1954 const struct v4l2_tuner *t) 1955 { 1956 struct saa7134_dev *dev = video_drvdata(file); 1957 1958 if (0 != t->index) 1959 return -EINVAL; 1960 1961 saa_call_all(dev, tuner, s_tuner, t); 1962 return 0; 1963 } 1964 1965 static const struct v4l2_file_operations video_fops = 1966 { 1967 .owner = THIS_MODULE, 1968 .open = video_open, 1969 .release = video_release, 1970 .read = vb2_fop_read, 1971 .poll = vb2_fop_poll, 1972 .mmap = vb2_fop_mmap, 1973 .unlocked_ioctl = video_ioctl2, 1974 }; 1975 1976 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1977 .vidioc_querycap = saa7134_querycap, 1978 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, 1979 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, 1980 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, 1981 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, 1982 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, 1983 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, 1984 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, 1985 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, 1986 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1987 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1988 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, 1989 .vidioc_cropcap = saa7134_cropcap, 1990 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1991 .vidioc_querybuf = vb2_ioctl_querybuf, 1992 .vidioc_qbuf = vb2_ioctl_qbuf, 1993 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1994 .vidioc_expbuf = vb2_ioctl_expbuf, 1995 .vidioc_s_std = saa7134_s_std, 1996 .vidioc_g_std = saa7134_g_std, 1997 .vidioc_querystd = saa7134_querystd, 1998 .vidioc_enum_input = saa7134_enum_input, 1999 .vidioc_g_input = saa7134_g_input, 2000 .vidioc_s_input = saa7134_s_input, 2001 .vidioc_streamon = vb2_ioctl_streamon, 2002 .vidioc_streamoff = vb2_ioctl_streamoff, 2003 .vidioc_g_tuner = saa7134_g_tuner, 2004 .vidioc_s_tuner = saa7134_s_tuner, 2005 .vidioc_g_selection = saa7134_g_selection, 2006 .vidioc_s_selection = saa7134_s_selection, 2007 .vidioc_g_fbuf = saa7134_g_fbuf, 2008 .vidioc_s_fbuf = saa7134_s_fbuf, 2009 .vidioc_overlay = saa7134_overlay, 2010 .vidioc_g_frequency = saa7134_g_frequency, 2011 .vidioc_s_frequency = saa7134_s_frequency, 2012 #ifdef CONFIG_VIDEO_ADV_DEBUG 2013 .vidioc_g_register = vidioc_g_register, 2014 .vidioc_s_register = vidioc_s_register, 2015 #endif 2016 .vidioc_log_status = v4l2_ctrl_log_status, 2017 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 2018 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 2019 }; 2020 2021 static const struct v4l2_file_operations radio_fops = { 2022 .owner = THIS_MODULE, 2023 .open = video_open, 2024 .read = radio_read, 2025 .release = video_release, 2026 .unlocked_ioctl = video_ioctl2, 2027 .poll = radio_poll, 2028 }; 2029 2030 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2031 .vidioc_querycap = saa7134_querycap, 2032 .vidioc_g_tuner = radio_g_tuner, 2033 .vidioc_s_tuner = radio_s_tuner, 2034 .vidioc_g_frequency = saa7134_g_frequency, 2035 .vidioc_s_frequency = saa7134_s_frequency, 2036 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 2037 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 2038 }; 2039 2040 /* ----------------------------------------------------------- */ 2041 /* exported stuff */ 2042 2043 struct video_device saa7134_video_template = { 2044 .name = "saa7134-video", 2045 .fops = &video_fops, 2046 .ioctl_ops = &video_ioctl_ops, 2047 .tvnorms = SAA7134_NORMS, 2048 }; 2049 2050 struct video_device saa7134_radio_template = { 2051 .name = "saa7134-radio", 2052 .fops = &radio_fops, 2053 .ioctl_ops = &radio_ioctl_ops, 2054 }; 2055 2056 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { 2057 .s_ctrl = saa7134_s_ctrl, 2058 }; 2059 2060 static const struct v4l2_ctrl_config saa7134_ctrl_invert = { 2061 .ops = &saa7134_ctrl_ops, 2062 .id = V4L2_CID_PRIVATE_INVERT, 2063 .name = "Invert", 2064 .type = V4L2_CTRL_TYPE_BOOLEAN, 2065 .min = 0, 2066 .max = 1, 2067 .step = 1, 2068 }; 2069 2070 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { 2071 .ops = &saa7134_ctrl_ops, 2072 .id = V4L2_CID_PRIVATE_Y_ODD, 2073 .name = "Y Offset Odd Field", 2074 .type = V4L2_CTRL_TYPE_INTEGER, 2075 .min = 0, 2076 .max = 128, 2077 .step = 1, 2078 }; 2079 2080 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { 2081 .ops = &saa7134_ctrl_ops, 2082 .id = V4L2_CID_PRIVATE_Y_EVEN, 2083 .name = "Y Offset Even Field", 2084 .type = V4L2_CTRL_TYPE_INTEGER, 2085 .min = 0, 2086 .max = 128, 2087 .step = 1, 2088 }; 2089 2090 static const struct v4l2_ctrl_config saa7134_ctrl_automute = { 2091 .ops = &saa7134_ctrl_ops, 2092 .id = V4L2_CID_PRIVATE_AUTOMUTE, 2093 .name = "Automute", 2094 .type = V4L2_CTRL_TYPE_BOOLEAN, 2095 .min = 0, 2096 .max = 1, 2097 .step = 1, 2098 .def = 1, 2099 }; 2100 2101 int saa7134_video_init1(struct saa7134_dev *dev) 2102 { 2103 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; 2104 struct vb2_queue *q; 2105 int ret; 2106 2107 /* sanitycheck insmod options */ 2108 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) 2109 gbuffers = 2; 2110 if (gbufsize > gbufsize_max) 2111 gbufsize = gbufsize_max; 2112 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; 2113 2114 v4l2_ctrl_handler_init(hdl, 11); 2115 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2116 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 2117 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2118 V4L2_CID_CONTRAST, 0, 127, 1, 68); 2119 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2120 V4L2_CID_SATURATION, 0, 127, 1, 64); 2121 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2122 V4L2_CID_HUE, -128, 127, 1, 0); 2123 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2124 V4L2_CID_HFLIP, 0, 1, 1, 0); 2125 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2126 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); 2127 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, 2128 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); 2129 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); 2130 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); 2131 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); 2132 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); 2133 if (hdl->error) 2134 return hdl->error; 2135 if (card_has_radio(dev)) { 2136 hdl = &dev->radio_ctrl_handler; 2137 v4l2_ctrl_handler_init(hdl, 2); 2138 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, 2139 v4l2_ctrl_radio_filter); 2140 if (hdl->error) 2141 return hdl->error; 2142 } 2143 dev->ctl_mute = 1; 2144 2145 if (dev->tda9887_conf && saa7134_ctrl_automute.def) 2146 dev->tda9887_conf |= TDA9887_AUTOMUTE; 2147 dev->automute = 0; 2148 2149 INIT_LIST_HEAD(&dev->video_q.queue); 2150 timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0); 2151 dev->video_q.dev = dev; 2152 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 2153 dev->width = 720; 2154 dev->height = 576; 2155 dev->field = V4L2_FIELD_INTERLACED; 2156 dev->win.w.width = dev->width; 2157 dev->win.w.height = dev->height; 2158 dev->win.field = V4L2_FIELD_INTERLACED; 2159 dev->ovbuf.fmt.width = dev->width; 2160 dev->ovbuf.fmt.height = dev->height; 2161 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc; 2162 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; 2163 2164 if (saa7134_boards[dev->board].video_out) 2165 saa7134_videoport_init(dev); 2166 2167 q = &dev->video_vbq; 2168 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2169 /* 2170 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA 2171 * engine cannot handle transfers that do not start at the beginning 2172 * of a page. A user-provided pointer can start anywhere in a page, so 2173 * USERPTR support is a no-go unless the application knows about these 2174 * limitations and has special support for this. 2175 */ 2176 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; 2177 if (saa7134_userptr) 2178 q->io_modes |= VB2_USERPTR; 2179 q->drv_priv = &dev->video_q; 2180 q->ops = &vb2_qops; 2181 q->gfp_flags = GFP_DMA32; 2182 q->mem_ops = &vb2_dma_sg_memops; 2183 q->buf_struct_size = sizeof(struct saa7134_buf); 2184 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2185 q->lock = &dev->lock; 2186 q->dev = &dev->pci->dev; 2187 ret = vb2_queue_init(q); 2188 if (ret) 2189 return ret; 2190 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); 2191 2192 q = &dev->vbi_vbq; 2193 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 2194 /* Don't add VB2_USERPTR, see comment above */ 2195 q->io_modes = VB2_MMAP | VB2_READ; 2196 if (saa7134_userptr) 2197 q->io_modes |= VB2_USERPTR; 2198 q->drv_priv = &dev->vbi_q; 2199 q->ops = &saa7134_vbi_qops; 2200 q->gfp_flags = GFP_DMA32; 2201 q->mem_ops = &vb2_dma_sg_memops; 2202 q->buf_struct_size = sizeof(struct saa7134_buf); 2203 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 2204 q->lock = &dev->lock; 2205 q->dev = &dev->pci->dev; 2206 ret = vb2_queue_init(q); 2207 if (ret) 2208 return ret; 2209 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); 2210 2211 return 0; 2212 } 2213 2214 void saa7134_video_fini(struct saa7134_dev *dev) 2215 { 2216 /* free stuff */ 2217 vb2_queue_release(&dev->video_vbq); 2218 saa7134_pgtable_free(dev->pci, &dev->video_q.pt); 2219 vb2_queue_release(&dev->vbi_vbq); 2220 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); 2221 v4l2_ctrl_handler_free(&dev->ctrl_handler); 2222 if (card_has_radio(dev)) 2223 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 2224 } 2225 2226 int saa7134_videoport_init(struct saa7134_dev *dev) 2227 { 2228 /* enable video output */ 2229 int vo = saa7134_boards[dev->board].video_out; 2230 int video_reg; 2231 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; 2232 2233 /* Configure videoport */ 2234 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); 2235 video_reg = video_out[vo][1]; 2236 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) 2237 video_reg &= ~VP_T_CODE_P_INVERTED; 2238 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 2239 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); 2240 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); 2241 video_reg = video_out[vo][5]; 2242 if (vid_port_opts & SET_CLOCK_NOT_DELAYED) 2243 video_reg &= ~VP_CLK_CTRL2_DELAYED; 2244 if (vid_port_opts & SET_CLOCK_INVERTED) 2245 video_reg |= VP_CLK_CTRL1_INVERTED; 2246 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); 2247 video_reg = video_out[vo][6]; 2248 if (vid_port_opts & SET_VSYNC_OFF) { 2249 video_reg &= ~VP_VS_TYPE_MASK; 2250 video_reg |= VP_VS_TYPE_OFF; 2251 } 2252 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 2253 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); 2254 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); 2255 2256 /* Start videoport */ 2257 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); 2258 2259 return 0; 2260 } 2261 2262 int saa7134_video_init2(struct saa7134_dev *dev) 2263 { 2264 /* init video hw */ 2265 set_tvnorm(dev,&tvnorms[0]); 2266 video_mux(dev,0); 2267 v4l2_ctrl_handler_setup(&dev->ctrl_handler); 2268 saa7134_tvaudio_setmute(dev); 2269 saa7134_tvaudio_setvolume(dev,dev->ctl_volume); 2270 return 0; 2271 } 2272 2273 void saa7134_irq_video_signalchange(struct saa7134_dev *dev) 2274 { 2275 static const char *st[] = { 2276 "(no signal)", "NTSC", "PAL", "SECAM" }; 2277 u32 st1,st2; 2278 2279 st1 = saa_readb(SAA7134_STATUS_VIDEO1); 2280 st2 = saa_readb(SAA7134_STATUS_VIDEO2); 2281 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n", 2282 (st1 & 0x40) ? "not locked" : "locked", 2283 (st2 & 0x40) ? "no" : "yes", 2284 st[st1 & 0x03]); 2285 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); 2286 2287 if (dev->nosignal) { 2288 /* no video signal -> mute audio */ 2289 if (dev->ctl_automute) 2290 dev->automute = 1; 2291 saa7134_tvaudio_setmute(dev); 2292 } else { 2293 /* wake up tvaudio audio carrier scan thread */ 2294 saa7134_tvaudio_do_scan(dev); 2295 } 2296 2297 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) 2298 saa_clearb(SAA7134_SYNC_CTRL, 0x20); 2299 else 2300 saa_setb(SAA7134_SYNC_CTRL, 0x20); 2301 2302 if (dev->mops && dev->mops->signal_change) 2303 dev->mops->signal_change(dev); 2304 } 2305 2306 2307 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) 2308 { 2309 enum v4l2_field field; 2310 2311 spin_lock(&dev->slock); 2312 if (dev->video_q.curr) { 2313 field = dev->field; 2314 if (V4L2_FIELD_HAS_BOTH(field)) { 2315 /* make sure we have seen both fields */ 2316 if ((status & 0x10) == 0x00) { 2317 dev->video_q.curr->top_seen = 1; 2318 goto done; 2319 } 2320 if (!dev->video_q.curr->top_seen) 2321 goto done; 2322 } else if (field == V4L2_FIELD_TOP) { 2323 if ((status & 0x10) != 0x10) 2324 goto done; 2325 } else if (field == V4L2_FIELD_BOTTOM) { 2326 if ((status & 0x10) != 0x00) 2327 goto done; 2328 } 2329 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); 2330 } 2331 saa7134_buffer_next(dev, &dev->video_q); 2332 2333 done: 2334 spin_unlock(&dev->slock); 2335 } 2336