linux/drivers/media/pci/saa7134/saa7134-video.c
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   1/*
   2 *
   3 * device driver for philips saa7134 based TV cards
   4 * video4linux video interface
   5 *
   6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7 *
   8 *  This program is free software; you can redistribute it and/or modify
   9 *  it under the terms of the GNU General Public License as published by
  10 *  the Free Software Foundation; either version 2 of the License, or
  11 *  (at your option) any later version.
  12 *
  13 *  This program is distributed in the hope that it will be useful,
  14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 *  GNU General Public License for more details.
  17 *
  18 *  You should have received a copy of the GNU General Public License
  19 *  along with this program; if not, write to the Free Software
  20 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23#include "saa7134.h"
  24#include "saa7134-reg.h"
  25
  26#include <linux/init.h>
  27#include <linux/list.h>
  28#include <linux/module.h>
  29#include <linux/kernel.h>
  30#include <linux/slab.h>
  31#include <linux/sort.h>
  32
  33#include <media/v4l2-common.h>
  34#include <media/v4l2-event.h>
  35#include <media/saa6588.h>
  36
  37/* ------------------------------------------------------------------ */
  38
  39unsigned int video_debug;
  40static unsigned int gbuffers      = 8;
  41static unsigned int noninterlaced; /* 0 */
  42static unsigned int gbufsize      = 720*576*4;
  43static unsigned int gbufsize_max  = 720*576*4;
  44static char secam[] = "--";
  45module_param(video_debug, int, 0644);
  46MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  47module_param(gbuffers, int, 0444);
  48MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  49module_param(noninterlaced, int, 0644);
  50MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  51module_param_string(secam, secam, sizeof(secam), 0644);
  52MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  53
  54
  55#define video_dbg(fmt, arg...) do { \
  56        if (video_debug & 0x04) \
  57                printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
  58        } while (0)
  59
  60/* ------------------------------------------------------------------ */
  61/* Defines for Video Output Port Register at address 0x191            */
  62
  63/* Bit 0: VIP code T bit polarity */
  64
  65#define VP_T_CODE_P_NON_INVERTED        0x00
  66#define VP_T_CODE_P_INVERTED            0x01
  67
  68/* ------------------------------------------------------------------ */
  69/* Defines for Video Output Port Register at address 0x195            */
  70
  71/* Bit 2: Video output clock delay control */
  72
  73#define VP_CLK_CTRL2_NOT_DELAYED        0x00
  74#define VP_CLK_CTRL2_DELAYED            0x04
  75
  76/* Bit 1: Video output clock invert control */
  77
  78#define VP_CLK_CTRL1_NON_INVERTED       0x00
  79#define VP_CLK_CTRL1_INVERTED           0x02
  80
  81/* ------------------------------------------------------------------ */
  82/* Defines for Video Output Port Register at address 0x196            */
  83
  84/* Bits 2 to 0: VSYNC pin video vertical sync type */
  85
  86#define VP_VS_TYPE_MASK                 0x07
  87
  88#define VP_VS_TYPE_OFF                  0x00
  89#define VP_VS_TYPE_V123                 0x01
  90#define VP_VS_TYPE_V_ITU                0x02
  91#define VP_VS_TYPE_VGATE_L              0x03
  92#define VP_VS_TYPE_RESERVED1            0x04
  93#define VP_VS_TYPE_RESERVED2            0x05
  94#define VP_VS_TYPE_F_ITU                0x06
  95#define VP_VS_TYPE_SC_FID               0x07
  96
  97/* ------------------------------------------------------------------ */
  98/* data structs for video                                             */
  99
 100static int video_out[][9] = {
 101        [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
 102};
 103
 104static struct saa7134_format formats[] = {
 105        {
 106                .name     = "8 bpp gray",
 107                .fourcc   = V4L2_PIX_FMT_GREY,
 108                .depth    = 8,
 109                .pm       = 0x06,
 110        },{
 111                .name     = "15 bpp RGB, le",
 112                .fourcc   = V4L2_PIX_FMT_RGB555,
 113                .depth    = 16,
 114                .pm       = 0x13 | 0x80,
 115        },{
 116                .name     = "15 bpp RGB, be",
 117                .fourcc   = V4L2_PIX_FMT_RGB555X,
 118                .depth    = 16,
 119                .pm       = 0x13 | 0x80,
 120                .bswap    = 1,
 121        },{
 122                .name     = "16 bpp RGB, le",
 123                .fourcc   = V4L2_PIX_FMT_RGB565,
 124                .depth    = 16,
 125                .pm       = 0x10 | 0x80,
 126        },{
 127                .name     = "16 bpp RGB, be",
 128                .fourcc   = V4L2_PIX_FMT_RGB565X,
 129                .depth    = 16,
 130                .pm       = 0x10 | 0x80,
 131                .bswap    = 1,
 132        },{
 133                .name     = "24 bpp RGB, le",
 134                .fourcc   = V4L2_PIX_FMT_BGR24,
 135                .depth    = 24,
 136                .pm       = 0x11,
 137        },{
 138                .name     = "24 bpp RGB, be",
 139                .fourcc   = V4L2_PIX_FMT_RGB24,
 140                .depth    = 24,
 141                .pm       = 0x11,
 142                .bswap    = 1,
 143        },{
 144                .name     = "32 bpp RGB, le",
 145                .fourcc   = V4L2_PIX_FMT_BGR32,
 146                .depth    = 32,
 147                .pm       = 0x12,
 148        },{
 149                .name     = "32 bpp RGB, be",
 150                .fourcc   = V4L2_PIX_FMT_RGB32,
 151                .depth    = 32,
 152                .pm       = 0x12,
 153                .bswap    = 1,
 154                .wswap    = 1,
 155        },{
 156                .name     = "4:2:2 packed, YUYV",
 157                .fourcc   = V4L2_PIX_FMT_YUYV,
 158                .depth    = 16,
 159                .pm       = 0x00,
 160                .bswap    = 1,
 161                .yuv      = 1,
 162        },{
 163                .name     = "4:2:2 packed, UYVY",
 164                .fourcc   = V4L2_PIX_FMT_UYVY,
 165                .depth    = 16,
 166                .pm       = 0x00,
 167                .yuv      = 1,
 168        },{
 169                .name     = "4:2:2 planar, Y-Cb-Cr",
 170                .fourcc   = V4L2_PIX_FMT_YUV422P,
 171                .depth    = 16,
 172                .pm       = 0x09,
 173                .yuv      = 1,
 174                .planar   = 1,
 175                .hshift   = 1,
 176                .vshift   = 0,
 177        },{
 178                .name     = "4:2:0 planar, Y-Cb-Cr",
 179                .fourcc   = V4L2_PIX_FMT_YUV420,
 180                .depth    = 12,
 181                .pm       = 0x0a,
 182                .yuv      = 1,
 183                .planar   = 1,
 184                .hshift   = 1,
 185                .vshift   = 1,
 186        },{
 187                .name     = "4:2:0 planar, Y-Cb-Cr",
 188                .fourcc   = V4L2_PIX_FMT_YVU420,
 189                .depth    = 12,
 190                .pm       = 0x0a,
 191                .yuv      = 1,
 192                .planar   = 1,
 193                .uvswap   = 1,
 194                .hshift   = 1,
 195                .vshift   = 1,
 196        }
 197};
 198#define FORMATS ARRAY_SIZE(formats)
 199
 200#define NORM_625_50                     \
 201                .h_start       = 0,     \
 202                .h_stop        = 719,   \
 203                .video_v_start = 24,    \
 204                .video_v_stop  = 311,   \
 205                .vbi_v_start_0 = 7,     \
 206                .vbi_v_stop_0  = 23,    \
 207                .vbi_v_start_1 = 319,   \
 208                .src_timing    = 4
 209
 210#define NORM_525_60                     \
 211                .h_start       = 0,     \
 212                .h_stop        = 719,   \
 213                .video_v_start = 23,    \
 214                .video_v_stop  = 262,   \
 215                .vbi_v_start_0 = 10,    \
 216                .vbi_v_stop_0  = 21,    \
 217                .vbi_v_start_1 = 273,   \
 218                .src_timing    = 7
 219
 220static struct saa7134_tvnorm tvnorms[] = {
 221        {
 222                .name          = "PAL", /* autodetect */
 223                .id            = V4L2_STD_PAL,
 224                NORM_625_50,
 225
 226                .sync_control  = 0x18,
 227                .luma_control  = 0x40,
 228                .chroma_ctrl1  = 0x81,
 229                .chroma_gain   = 0x2a,
 230                .chroma_ctrl2  = 0x06,
 231                .vgate_misc    = 0x1c,
 232
 233        },{
 234                .name          = "PAL-BG",
 235                .id            = V4L2_STD_PAL_BG,
 236                NORM_625_50,
 237
 238                .sync_control  = 0x18,
 239                .luma_control  = 0x40,
 240                .chroma_ctrl1  = 0x81,
 241                .chroma_gain   = 0x2a,
 242                .chroma_ctrl2  = 0x06,
 243                .vgate_misc    = 0x1c,
 244
 245        },{
 246                .name          = "PAL-I",
 247                .id            = V4L2_STD_PAL_I,
 248                NORM_625_50,
 249
 250                .sync_control  = 0x18,
 251                .luma_control  = 0x40,
 252                .chroma_ctrl1  = 0x81,
 253                .chroma_gain   = 0x2a,
 254                .chroma_ctrl2  = 0x06,
 255                .vgate_misc    = 0x1c,
 256
 257        },{
 258                .name          = "PAL-DK",
 259                .id            = V4L2_STD_PAL_DK,
 260                NORM_625_50,
 261
 262                .sync_control  = 0x18,
 263                .luma_control  = 0x40,
 264                .chroma_ctrl1  = 0x81,
 265                .chroma_gain   = 0x2a,
 266                .chroma_ctrl2  = 0x06,
 267                .vgate_misc    = 0x1c,
 268
 269        },{
 270                .name          = "NTSC",
 271                .id            = V4L2_STD_NTSC,
 272                NORM_525_60,
 273
 274                .sync_control  = 0x59,
 275                .luma_control  = 0x40,
 276                .chroma_ctrl1  = 0x89,
 277                .chroma_gain   = 0x2a,
 278                .chroma_ctrl2  = 0x0e,
 279                .vgate_misc    = 0x18,
 280
 281        },{
 282                .name          = "SECAM",
 283                .id            = V4L2_STD_SECAM,
 284                NORM_625_50,
 285
 286                .sync_control  = 0x18,
 287                .luma_control  = 0x1b,
 288                .chroma_ctrl1  = 0xd1,
 289                .chroma_gain   = 0x80,
 290                .chroma_ctrl2  = 0x00,
 291                .vgate_misc    = 0x1c,
 292
 293        },{
 294                .name          = "SECAM-DK",
 295                .id            = V4L2_STD_SECAM_DK,
 296                NORM_625_50,
 297
 298                .sync_control  = 0x18,
 299                .luma_control  = 0x1b,
 300                .chroma_ctrl1  = 0xd1,
 301                .chroma_gain   = 0x80,
 302                .chroma_ctrl2  = 0x00,
 303                .vgate_misc    = 0x1c,
 304
 305        },{
 306                .name          = "SECAM-L",
 307                .id            = V4L2_STD_SECAM_L,
 308                NORM_625_50,
 309
 310                .sync_control  = 0x18,
 311                .luma_control  = 0x1b,
 312                .chroma_ctrl1  = 0xd1,
 313                .chroma_gain   = 0x80,
 314                .chroma_ctrl2  = 0x00,
 315                .vgate_misc    = 0x1c,
 316
 317        },{
 318                .name          = "SECAM-Lc",
 319                .id            = V4L2_STD_SECAM_LC,
 320                NORM_625_50,
 321
 322                .sync_control  = 0x18,
 323                .luma_control  = 0x1b,
 324                .chroma_ctrl1  = 0xd1,
 325                .chroma_gain   = 0x80,
 326                .chroma_ctrl2  = 0x00,
 327                .vgate_misc    = 0x1c,
 328
 329        },{
 330                .name          = "PAL-M",
 331                .id            = V4L2_STD_PAL_M,
 332                NORM_525_60,
 333
 334                .sync_control  = 0x59,
 335                .luma_control  = 0x40,
 336                .chroma_ctrl1  = 0xb9,
 337                .chroma_gain   = 0x2a,
 338                .chroma_ctrl2  = 0x0e,
 339                .vgate_misc    = 0x18,
 340
 341        },{
 342                .name          = "PAL-Nc",
 343                .id            = V4L2_STD_PAL_Nc,
 344                NORM_625_50,
 345
 346                .sync_control  = 0x18,
 347                .luma_control  = 0x40,
 348                .chroma_ctrl1  = 0xa1,
 349                .chroma_gain   = 0x2a,
 350                .chroma_ctrl2  = 0x06,
 351                .vgate_misc    = 0x1c,
 352
 353        },{
 354                .name          = "PAL-60",
 355                .id            = V4L2_STD_PAL_60,
 356
 357                .h_start       = 0,
 358                .h_stop        = 719,
 359                .video_v_start = 23,
 360                .video_v_stop  = 262,
 361                .vbi_v_start_0 = 10,
 362                .vbi_v_stop_0  = 21,
 363                .vbi_v_start_1 = 273,
 364                .src_timing    = 7,
 365
 366                .sync_control  = 0x18,
 367                .luma_control  = 0x40,
 368                .chroma_ctrl1  = 0x81,
 369                .chroma_gain   = 0x2a,
 370                .chroma_ctrl2  = 0x06,
 371                .vgate_misc    = 0x1c,
 372        }
 373};
 374#define TVNORMS ARRAY_SIZE(tvnorms)
 375
 376static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 377{
 378        unsigned int i;
 379
 380        for (i = 0; i < FORMATS; i++)
 381                if (formats[i].fourcc == fourcc)
 382                        return formats+i;
 383        return NULL;
 384}
 385
 386/* ------------------------------------------------------------------ */
 387
 388static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 389{
 390        video_dbg("set tv norm = %s\n", norm->name);
 391        dev->tvnorm = norm;
 392
 393        /* setup cropping */
 394        dev->crop_bounds.left    = norm->h_start;
 395        dev->crop_defrect.left   = norm->h_start;
 396        dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 397        dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 398
 399        dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 400        dev->crop_defrect.top    = norm->video_v_start*2;
 401        dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 402                - dev->crop_bounds.top;
 403        dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 404
 405        dev->crop_current = dev->crop_defrect;
 406
 407        saa7134_set_tvnorm_hw(dev);
 408}
 409
 410static void video_mux(struct saa7134_dev *dev, int input)
 411{
 412        video_dbg("video input = %d [%s]\n", input, card_in(dev, input).name);
 413        dev->ctl_input = input;
 414        set_tvnorm(dev, dev->tvnorm);
 415        saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 416}
 417
 418
 419static void saa7134_set_decoder(struct saa7134_dev *dev)
 420{
 421        int luma_control, sync_control, chroma_ctrl1, mux;
 422
 423        struct saa7134_tvnorm *norm = dev->tvnorm;
 424        mux = card_in(dev, dev->ctl_input).vmux;
 425
 426        luma_control = norm->luma_control;
 427        sync_control = norm->sync_control;
 428        chroma_ctrl1 = norm->chroma_ctrl1;
 429
 430        if (mux > 5)
 431                luma_control |= 0x80; /* svideo */
 432        if (noninterlaced || dev->nosignal)
 433                sync_control |= 0x20;
 434
 435        /* switch on auto standard detection */
 436        sync_control |= SAA7134_SYNC_CTRL_AUFD;
 437        chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
 438        chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
 439        luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
 440
 441        /* setup video decoder */
 442        saa_writeb(SAA7134_INCR_DELAY,            0x08);
 443        saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 444        saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 445
 446        saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 447        saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 448        saa_writeb(SAA7134_HSYNC_START,           0xeb);
 449        saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 450        saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 451
 452        saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 453        saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 454        saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 455
 456        saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 457                dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 458
 459        saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 460                dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 461
 462        saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 463        saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
 464        saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 465
 466        saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 467        saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 468
 469        saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 470        saa_writeb(SAA7134_VGATE_START,           0x11);
 471        saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 472        saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 473        saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 474        saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 475}
 476
 477void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 478{
 479        saa7134_set_decoder(dev);
 480
 481        if (card_in(dev, dev->ctl_input).tv)
 482                saa_call_all(dev, video, s_std, dev->tvnorm->id);
 483        /* Set the correct norm for the saa6752hs. This function
 484           does nothing if there is no saa6752hs. */
 485        saa_call_empress(dev, video, s_std, dev->tvnorm->id);
 486}
 487
 488static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 489{
 490        static const struct {
 491                int xpsc;
 492                int xacl;
 493                int xc2_1;
 494                int xdcg;
 495                int vpfy;
 496        } vals[] = {
 497                /* XPSC XACL XC2_1 XDCG VPFY */
 498                {    1,   0,    0,    0,   0 },
 499                {    2,   2,    1,    2,   2 },
 500                {    3,   4,    1,    3,   2 },
 501                {    4,   8,    1,    4,   2 },
 502                {    5,   8,    1,    4,   2 },
 503                {    6,   8,    1,    4,   3 },
 504                {    7,   8,    1,    4,   3 },
 505                {    8,  15,    0,    4,   3 },
 506                {    9,  15,    0,    4,   3 },
 507                {   10,  16,    1,    5,   3 },
 508        };
 509        static const int count = ARRAY_SIZE(vals);
 510        int i;
 511
 512        for (i = 0; i < count; i++)
 513                if (vals[i].xpsc == prescale)
 514                        break;
 515        if (i == count)
 516                return;
 517
 518        saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 519        saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 520        saa_writeb(SAA7134_LEVEL_CTRL(task),
 521                   (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 522        saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 523                   (vals[i].vpfy << 2) | vals[i].vpfy);
 524}
 525
 526static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 527{
 528        int val,mirror;
 529
 530        saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 531        saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 532
 533        mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 534        if (yscale < 2048) {
 535                /* LPI */
 536                video_dbg("yscale LPI yscale=%d\n", yscale);
 537                saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 538                saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 539                saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 540        } else {
 541                /* ACM */
 542                val = 0x40 * 1024 / yscale;
 543                video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
 544                saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 545                saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 546                saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 547        }
 548        saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 549}
 550
 551static void set_size(struct saa7134_dev *dev, int task,
 552                     int width, int height, int interlace)
 553{
 554        int prescale,xscale,yscale,y_even,y_odd;
 555        int h_start, h_stop, v_start, v_stop;
 556        int div = interlace ? 2 : 1;
 557
 558        /* setup video scaler */
 559        h_start = dev->crop_current.left;
 560        v_start = dev->crop_current.top/2;
 561        h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 562        v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 563
 564        saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 565        saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 566        saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 567        saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 568        saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 569        saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 570        saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 571        saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 572
 573        prescale = dev->crop_current.width / width;
 574        if (0 == prescale)
 575                prescale = 1;
 576        xscale = 1024 * dev->crop_current.width / prescale / width;
 577        yscale = 512 * div * dev->crop_current.height / height;
 578        video_dbg("prescale=%d xscale=%d yscale=%d\n",
 579                  prescale, xscale, yscale);
 580        set_h_prescale(dev,task,prescale);
 581        saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 582        saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 583        set_v_scale(dev,task,yscale);
 584
 585        saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 586        saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 587        saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 588        saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 589
 590        /* deinterlace y offsets */
 591        y_odd  = dev->ctl_y_odd;
 592        y_even = dev->ctl_y_even;
 593        saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 594        saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 595        saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 596        saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 597}
 598
 599/* ------------------------------------------------------------------ */
 600
 601struct cliplist {
 602        __u16 position;
 603        __u8  enable;
 604        __u8  disable;
 605};
 606
 607static void set_cliplist(struct saa7134_dev *dev, int reg,
 608                        struct cliplist *cl, int entries, char *name)
 609{
 610        __u8 winbits = 0;
 611        int i;
 612
 613        for (i = 0; i < entries; i++) {
 614                winbits |= cl[i].enable;
 615                winbits &= ~cl[i].disable;
 616                if (i < 15 && cl[i].position == cl[i+1].position)
 617                        continue;
 618                saa_writeb(reg + 0, winbits);
 619                saa_writeb(reg + 2, cl[i].position & 0xff);
 620                saa_writeb(reg + 3, cl[i].position >> 8);
 621                video_dbg("clip: %s winbits=%02x pos=%d\n",
 622                        name,winbits,cl[i].position);
 623                reg += 8;
 624        }
 625        for (; reg < 0x400; reg += 8) {
 626                saa_writeb(reg+ 0, 0);
 627                saa_writeb(reg + 1, 0);
 628                saa_writeb(reg + 2, 0);
 629                saa_writeb(reg + 3, 0);
 630        }
 631}
 632
 633static int clip_range(int val)
 634{
 635        if (val < 0)
 636                val = 0;
 637        return val;
 638}
 639
 640/* Sort into smallest position first order */
 641static int cliplist_cmp(const void *a, const void *b)
 642{
 643        const struct cliplist *cla = a;
 644        const struct cliplist *clb = b;
 645        if (cla->position < clb->position)
 646                return -1;
 647        if (cla->position > clb->position)
 648                return 1;
 649        return 0;
 650}
 651
 652static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 653                          int nclips, int interlace)
 654{
 655        struct cliplist col[16], row[16];
 656        int cols = 0, rows = 0, i;
 657        int div = interlace ? 2 : 1;
 658
 659        memset(col, 0, sizeof(col));
 660        memset(row, 0, sizeof(row));
 661        for (i = 0; i < nclips && i < 8; i++) {
 662                col[cols].position = clip_range(clips[i].c.left);
 663                col[cols].enable   = (1 << i);
 664                cols++;
 665                col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 666                col[cols].disable  = (1 << i);
 667                cols++;
 668                row[rows].position = clip_range(clips[i].c.top / div);
 669                row[rows].enable   = (1 << i);
 670                rows++;
 671                row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 672                                                / div);
 673                row[rows].disable  = (1 << i);
 674                rows++;
 675        }
 676        sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 677        sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 678        set_cliplist(dev,0x380,col,cols,"cols");
 679        set_cliplist(dev,0x384,row,rows,"rows");
 680        return 0;
 681}
 682
 683static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
 684{
 685        enum v4l2_field field;
 686        int maxw, maxh;
 687
 688        if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
 689                return -EINVAL;
 690        if (win->w.width < 48)
 691                win->w.width = 48;
 692        if (win->w.height < 32)
 693                win->w.height = 32;
 694        if (win->clipcount > 8)
 695                win->clipcount = 8;
 696
 697        win->chromakey = 0;
 698        win->global_alpha = 0;
 699        field = win->field;
 700        maxw  = dev->crop_current.width;
 701        maxh  = dev->crop_current.height;
 702
 703        if (V4L2_FIELD_ANY == field) {
 704                field = (win->w.height > maxh/2)
 705                        ? V4L2_FIELD_INTERLACED
 706                        : V4L2_FIELD_TOP;
 707        }
 708        switch (field) {
 709        case V4L2_FIELD_TOP:
 710        case V4L2_FIELD_BOTTOM:
 711                maxh = maxh / 2;
 712                break;
 713        default:
 714                field = V4L2_FIELD_INTERLACED;
 715                break;
 716        }
 717
 718        win->field = field;
 719        if (win->w.width > maxw)
 720                win->w.width = maxw;
 721        if (win->w.height > maxh)
 722                win->w.height = maxh;
 723        return 0;
 724}
 725
 726static int start_preview(struct saa7134_dev *dev)
 727{
 728        unsigned long base,control,bpl;
 729        int err;
 730
 731        err = verify_preview(dev, &dev->win, false);
 732        if (0 != err)
 733                return err;
 734
 735        dev->ovfield = dev->win.field;
 736        video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
 737                dev->win.w.width, dev->win.w.height,
 738                dev->win.w.left, dev->win.w.top,
 739                dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
 740
 741        /* setup window + clipping */
 742        set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
 743                 V4L2_FIELD_HAS_BOTH(dev->ovfield));
 744        setup_clipping(dev, dev->clips, dev->nclips,
 745                       V4L2_FIELD_HAS_BOTH(dev->ovfield));
 746        if (dev->ovfmt->yuv)
 747                saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 748        else
 749                saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 750        saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 751
 752        /* dma: setup channel 1 (= Video Task B) */
 753        base  = (unsigned long)dev->ovbuf.base;
 754        base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
 755        base += dev->ovfmt->depth/8         * dev->win.w.left;
 756        bpl   = dev->ovbuf.fmt.bytesperline;
 757        control = SAA7134_RS_CONTROL_BURST_16;
 758        if (dev->ovfmt->bswap)
 759                control |= SAA7134_RS_CONTROL_BSWAP;
 760        if (dev->ovfmt->wswap)
 761                control |= SAA7134_RS_CONTROL_WSWAP;
 762        if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 763                saa_writel(SAA7134_RS_BA1(1),base);
 764                saa_writel(SAA7134_RS_BA2(1),base+bpl);
 765                saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 766                saa_writel(SAA7134_RS_CONTROL(1),control);
 767        } else {
 768                saa_writel(SAA7134_RS_BA1(1),base);
 769                saa_writel(SAA7134_RS_BA2(1),base);
 770                saa_writel(SAA7134_RS_PITCH(1),bpl);
 771                saa_writel(SAA7134_RS_CONTROL(1),control);
 772        }
 773
 774        /* start dma */
 775        dev->ovenable = 1;
 776        saa7134_set_dmabits(dev);
 777
 778        return 0;
 779}
 780
 781static int stop_preview(struct saa7134_dev *dev)
 782{
 783        dev->ovenable = 0;
 784        saa7134_set_dmabits(dev);
 785        return 0;
 786}
 787
 788/* ------------------------------------------------------------------ */
 789
 790static int buffer_activate(struct saa7134_dev *dev,
 791                           struct saa7134_buf *buf,
 792                           struct saa7134_buf *next)
 793{
 794        struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
 795        unsigned long base,control,bpl;
 796        unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 797
 798        video_dbg("buffer_activate buf=%p\n", buf);
 799        buf->top_seen = 0;
 800
 801        set_size(dev, TASK_A, dev->width, dev->height,
 802                 V4L2_FIELD_HAS_BOTH(dev->field));
 803        if (dev->fmt->yuv)
 804                saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 805        else
 806                saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 807        saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
 808
 809        /* DMA: setup channel 0 (= Video Task A0) */
 810        base  = saa7134_buffer_base(buf);
 811        if (dev->fmt->planar)
 812                bpl = dev->width;
 813        else
 814                bpl = (dev->width * dev->fmt->depth) / 8;
 815        control = SAA7134_RS_CONTROL_BURST_16 |
 816                SAA7134_RS_CONTROL_ME |
 817                (dmaq->pt.dma >> 12);
 818        if (dev->fmt->bswap)
 819                control |= SAA7134_RS_CONTROL_BSWAP;
 820        if (dev->fmt->wswap)
 821                control |= SAA7134_RS_CONTROL_WSWAP;
 822        if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 823                /* interlaced */
 824                saa_writel(SAA7134_RS_BA1(0),base);
 825                saa_writel(SAA7134_RS_BA2(0),base+bpl);
 826                saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 827        } else {
 828                /* non-interlaced */
 829                saa_writel(SAA7134_RS_BA1(0),base);
 830                saa_writel(SAA7134_RS_BA2(0),base);
 831                saa_writel(SAA7134_RS_PITCH(0),bpl);
 832        }
 833        saa_writel(SAA7134_RS_CONTROL(0),control);
 834
 835        if (dev->fmt->planar) {
 836                /* DMA: setup channel 4+5 (= planar task A) */
 837                bpl_uv   = bpl >> dev->fmt->hshift;
 838                lines_uv = dev->height >> dev->fmt->vshift;
 839                base2    = base + bpl * dev->height;
 840                base3    = base2 + bpl_uv * lines_uv;
 841                if (dev->fmt->uvswap)
 842                        tmp = base2, base2 = base3, base3 = tmp;
 843                video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 844                        bpl_uv,lines_uv,base2,base3);
 845                if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 846                        /* interlaced */
 847                        saa_writel(SAA7134_RS_BA1(4),base2);
 848                        saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 849                        saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 850                        saa_writel(SAA7134_RS_BA1(5),base3);
 851                        saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 852                        saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 853                } else {
 854                        /* non-interlaced */
 855                        saa_writel(SAA7134_RS_BA1(4),base2);
 856                        saa_writel(SAA7134_RS_BA2(4),base2);
 857                        saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 858                        saa_writel(SAA7134_RS_BA1(5),base3);
 859                        saa_writel(SAA7134_RS_BA2(5),base3);
 860                        saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 861                }
 862                saa_writel(SAA7134_RS_CONTROL(4),control);
 863                saa_writel(SAA7134_RS_CONTROL(5),control);
 864        }
 865
 866        /* start DMA */
 867        saa7134_set_dmabits(dev);
 868        mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
 869        return 0;
 870}
 871
 872static int buffer_init(struct vb2_buffer *vb2)
 873{
 874        struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 875        struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
 876
 877        dmaq->curr = NULL;
 878        buf->activate = buffer_activate;
 879        return 0;
 880}
 881
 882static int buffer_prepare(struct vb2_buffer *vb2)
 883{
 884        struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 885        struct saa7134_dev *dev = dmaq->dev;
 886        struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
 887        struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
 888        unsigned int size;
 889
 890        if (dma->sgl->offset) {
 891                pr_err("The buffer is not page-aligned\n");
 892                return -EINVAL;
 893        }
 894        size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 895        if (vb2_plane_size(vb2, 0) < size)
 896                return -EINVAL;
 897
 898        vb2_set_plane_payload(vb2, 0, size);
 899        vb2->v4l2_buf.field = dev->field;
 900
 901        return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
 902                                    saa7134_buffer_startpage(buf));
 903}
 904
 905static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
 906                           unsigned int *nbuffers, unsigned int *nplanes,
 907                           unsigned int sizes[], void *alloc_ctxs[])
 908{
 909        struct saa7134_dmaqueue *dmaq = q->drv_priv;
 910        struct saa7134_dev *dev = dmaq->dev;
 911        int size = dev->fmt->depth * dev->width * dev->height >> 3;
 912
 913        if (dev->width    < 48 ||
 914            dev->height   < 32 ||
 915            dev->width/4  > dev->crop_current.width  ||
 916            dev->height/4 > dev->crop_current.height ||
 917            dev->width    > dev->crop_bounds.width  ||
 918            dev->height   > dev->crop_bounds.height)
 919                return -EINVAL;
 920
 921        *nbuffers = saa7134_buffer_count(size, *nbuffers);
 922        *nplanes = 1;
 923        sizes[0] = size;
 924        alloc_ctxs[0] = dev->alloc_ctx;
 925        return 0;
 926}
 927
 928/*
 929 * move buffer to hardware queue
 930 */
 931void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
 932{
 933        struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
 934        struct saa7134_dev *dev = dmaq->dev;
 935        struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2);
 936
 937        saa7134_buffer_queue(dev, dmaq, buf);
 938}
 939EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
 940
 941int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
 942{
 943        struct saa7134_dmaqueue *dmaq = vq->drv_priv;
 944        struct saa7134_dev *dev = dmaq->dev;
 945
 946        /*
 947         * Planar video capture and TS share the same DMA channel,
 948         * so only one can be active at a time.
 949         */
 950        if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
 951            dmaq == &dev->video_q && dev->fmt->planar) {
 952                struct saa7134_buf *buf, *tmp;
 953
 954                list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
 955                        list_del(&buf->entry);
 956                        vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
 957                }
 958                if (dmaq->curr) {
 959                        vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
 960                        dmaq->curr = NULL;
 961                }
 962                return -EBUSY;
 963        }
 964
 965        /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
 966         * configured conservatively, there's 22 usec of buffering for video.
 967         * We therefore request a DMA latency of 20 usec, giving us 2 usec of
 968         * margin in case the FIFO is configured differently to the datasheet.
 969         * Unfortunately, I lack register-level documentation to check the
 970         * Linux FIFO setup and confirm the perfect value.
 971         */
 972        if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
 973            (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
 974                pm_qos_add_request(&dev->qos_request,
 975                        PM_QOS_CPU_DMA_LATENCY, 20);
 976        dmaq->seq_nr = 0;
 977
 978        return 0;
 979}
 980
 981void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
 982{
 983        struct saa7134_dmaqueue *dmaq = vq->drv_priv;
 984        struct saa7134_dev *dev = dmaq->dev;
 985
 986        saa7134_stop_streaming(dev, dmaq);
 987
 988        if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
 989            (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
 990                pm_qos_remove_request(&dev->qos_request);
 991}
 992
 993static struct vb2_ops vb2_qops = {
 994        .queue_setup    = queue_setup,
 995        .buf_init       = buffer_init,
 996        .buf_prepare    = buffer_prepare,
 997        .buf_queue      = saa7134_vb2_buffer_queue,
 998        .wait_prepare   = vb2_ops_wait_prepare,
 999        .wait_finish    = vb2_ops_wait_finish,
1000        .start_streaming = saa7134_vb2_start_streaming,
1001        .stop_streaming = saa7134_vb2_stop_streaming,
1002};
1003
1004/* ------------------------------------------------------------------ */
1005
1006static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1007{
1008        struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1009        unsigned long flags;
1010        int restart_overlay = 0;
1011
1012        switch (ctrl->id) {
1013        case V4L2_CID_BRIGHTNESS:
1014                dev->ctl_bright = ctrl->val;
1015                saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1016                break;
1017        case V4L2_CID_HUE:
1018                dev->ctl_hue = ctrl->val;
1019                saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1020                break;
1021        case V4L2_CID_CONTRAST:
1022                dev->ctl_contrast = ctrl->val;
1023                saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1024                           dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1025                break;
1026        case V4L2_CID_SATURATION:
1027                dev->ctl_saturation = ctrl->val;
1028                saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1029                           dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1030                break;
1031        case V4L2_CID_AUDIO_MUTE:
1032                dev->ctl_mute = ctrl->val;
1033                saa7134_tvaudio_setmute(dev);
1034                break;
1035        case V4L2_CID_AUDIO_VOLUME:
1036                dev->ctl_volume = ctrl->val;
1037                saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1038                break;
1039        case V4L2_CID_PRIVATE_INVERT:
1040                dev->ctl_invert = ctrl->val;
1041                saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1042                           dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1043                saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1044                           dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1045                break;
1046        case V4L2_CID_HFLIP:
1047                dev->ctl_mirror = ctrl->val;
1048                restart_overlay = 1;
1049                break;
1050        case V4L2_CID_PRIVATE_Y_EVEN:
1051                dev->ctl_y_even = ctrl->val;
1052                restart_overlay = 1;
1053                break;
1054        case V4L2_CID_PRIVATE_Y_ODD:
1055                dev->ctl_y_odd = ctrl->val;
1056                restart_overlay = 1;
1057                break;
1058        case V4L2_CID_PRIVATE_AUTOMUTE:
1059        {
1060                struct v4l2_priv_tun_config tda9887_cfg;
1061
1062                tda9887_cfg.tuner = TUNER_TDA9887;
1063                tda9887_cfg.priv = &dev->tda9887_conf;
1064
1065                dev->ctl_automute = ctrl->val;
1066                if (dev->tda9887_conf) {
1067                        if (dev->ctl_automute)
1068                                dev->tda9887_conf |= TDA9887_AUTOMUTE;
1069                        else
1070                                dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1071
1072                        saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1073                }
1074                break;
1075        }
1076        default:
1077                return -EINVAL;
1078        }
1079        if (restart_overlay && dev->overlay_owner) {
1080                spin_lock_irqsave(&dev->slock, flags);
1081                stop_preview(dev);
1082                start_preview(dev);
1083                spin_unlock_irqrestore(&dev->slock, flags);
1084        }
1085        return 0;
1086}
1087
1088/* ------------------------------------------------------------------ */
1089
1090static int video_open(struct file *file)
1091{
1092        struct video_device *vdev = video_devdata(file);
1093        struct saa7134_dev *dev = video_drvdata(file);
1094        int ret = v4l2_fh_open(file);
1095
1096        if (ret < 0)
1097                return ret;
1098
1099        mutex_lock(&dev->lock);
1100        if (vdev->vfl_type == VFL_TYPE_RADIO) {
1101                /* switch to radio mode */
1102                saa7134_tvaudio_setinput(dev, &card(dev).radio);
1103                saa_call_all(dev, tuner, s_radio);
1104        } else {
1105                /* switch to video/vbi mode */
1106                video_mux(dev, dev->ctl_input);
1107        }
1108        mutex_unlock(&dev->lock);
1109
1110        return 0;
1111}
1112
1113static int video_release(struct file *file)
1114{
1115        struct video_device *vdev = video_devdata(file);
1116        struct saa7134_dev *dev = video_drvdata(file);
1117        struct v4l2_fh *fh = file->private_data;
1118        struct saa6588_command cmd;
1119        unsigned long flags;
1120
1121        mutex_lock(&dev->lock);
1122        saa7134_tvaudio_close(dev);
1123
1124        /* turn off overlay */
1125        if (fh == dev->overlay_owner) {
1126                spin_lock_irqsave(&dev->slock,flags);
1127                stop_preview(dev);
1128                spin_unlock_irqrestore(&dev->slock,flags);
1129                dev->overlay_owner = NULL;
1130        }
1131
1132        if (vdev->vfl_type == VFL_TYPE_RADIO)
1133                v4l2_fh_release(file);
1134        else
1135                _vb2_fop_release(file, NULL);
1136
1137        /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1138        saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1139        saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1140        saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1141        saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1142
1143        saa_call_all(dev, core, s_power, 0);
1144        if (vdev->vfl_type == VFL_TYPE_RADIO)
1145                saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1146        mutex_unlock(&dev->lock);
1147
1148        return 0;
1149}
1150
1151static ssize_t radio_read(struct file *file, char __user *data,
1152                         size_t count, loff_t *ppos)
1153{
1154        struct saa7134_dev *dev = video_drvdata(file);
1155        struct saa6588_command cmd;
1156
1157        cmd.block_count = count/3;
1158        cmd.nonblocking = file->f_flags & O_NONBLOCK;
1159        cmd.buffer = data;
1160        cmd.instance = file;
1161        cmd.result = -ENODEV;
1162
1163        mutex_lock(&dev->lock);
1164        saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1165        mutex_unlock(&dev->lock);
1166
1167        return cmd.result;
1168}
1169
1170static unsigned int radio_poll(struct file *file, poll_table *wait)
1171{
1172        struct saa7134_dev *dev = video_drvdata(file);
1173        struct saa6588_command cmd;
1174        unsigned int rc = v4l2_ctrl_poll(file, wait);
1175
1176        cmd.instance = file;
1177        cmd.event_list = wait;
1178        cmd.result = 0;
1179        mutex_lock(&dev->lock);
1180        saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1181        mutex_unlock(&dev->lock);
1182
1183        return rc | cmd.result;
1184}
1185
1186/* ------------------------------------------------------------------ */
1187
1188static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1189                                                struct v4l2_format *f)
1190{
1191        struct saa7134_dev *dev = video_drvdata(file);
1192        struct saa7134_tvnorm *norm = dev->tvnorm;
1193
1194        memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1195        f->fmt.vbi.sampling_rate = 6750000 * 4;
1196        f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1197        f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1198        f->fmt.vbi.offset = 64 * 4;
1199        f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1200        f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1201        f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1202        f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1203        f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1204
1205        return 0;
1206}
1207
1208static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1209                                struct v4l2_format *f)
1210{
1211        struct saa7134_dev *dev = video_drvdata(file);
1212
1213        f->fmt.pix.width        = dev->width;
1214        f->fmt.pix.height       = dev->height;
1215        f->fmt.pix.field        = dev->field;
1216        f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1217        f->fmt.pix.bytesperline =
1218                (f->fmt.pix.width * dev->fmt->depth) >> 3;
1219        f->fmt.pix.sizeimage =
1220                f->fmt.pix.height * f->fmt.pix.bytesperline;
1221        f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1222        return 0;
1223}
1224
1225static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1226                                struct v4l2_format *f)
1227{
1228        struct saa7134_dev *dev = video_drvdata(file);
1229        struct v4l2_clip __user *clips = f->fmt.win.clips;
1230        u32 clipcount = f->fmt.win.clipcount;
1231        int err = 0;
1232        int i;
1233
1234        if (saa7134_no_overlay > 0) {
1235                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1236                return -EINVAL;
1237        }
1238        f->fmt.win = dev->win;
1239        f->fmt.win.clips = clips;
1240        if (clips == NULL)
1241                clipcount = 0;
1242        if (dev->nclips < clipcount)
1243                clipcount = dev->nclips;
1244        f->fmt.win.clipcount = clipcount;
1245
1246        for (i = 0; !err && i < clipcount; i++) {
1247                if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1248                                        sizeof(struct v4l2_rect)))
1249                        err = -EFAULT;
1250        }
1251
1252        return err;
1253}
1254
1255static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1256                                                struct v4l2_format *f)
1257{
1258        struct saa7134_dev *dev = video_drvdata(file);
1259        struct saa7134_format *fmt;
1260        enum v4l2_field field;
1261        unsigned int maxw, maxh;
1262
1263        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1264        if (NULL == fmt)
1265                return -EINVAL;
1266
1267        field = f->fmt.pix.field;
1268        maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1269        maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1270
1271        if (V4L2_FIELD_ANY == field) {
1272                field = (f->fmt.pix.height > maxh/2)
1273                        ? V4L2_FIELD_INTERLACED
1274                        : V4L2_FIELD_BOTTOM;
1275        }
1276        switch (field) {
1277        case V4L2_FIELD_TOP:
1278        case V4L2_FIELD_BOTTOM:
1279                maxh = maxh / 2;
1280                break;
1281        default:
1282                field = V4L2_FIELD_INTERLACED;
1283                break;
1284        }
1285
1286        f->fmt.pix.field = field;
1287        if (f->fmt.pix.width  < 48)
1288                f->fmt.pix.width  = 48;
1289        if (f->fmt.pix.height < 32)
1290                f->fmt.pix.height = 32;
1291        if (f->fmt.pix.width > maxw)
1292                f->fmt.pix.width = maxw;
1293        if (f->fmt.pix.height > maxh)
1294                f->fmt.pix.height = maxh;
1295        f->fmt.pix.width &= ~0x03;
1296        f->fmt.pix.bytesperline =
1297                (f->fmt.pix.width * fmt->depth) >> 3;
1298        f->fmt.pix.sizeimage =
1299                f->fmt.pix.height * f->fmt.pix.bytesperline;
1300        f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1301
1302        return 0;
1303}
1304
1305static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1306                                                struct v4l2_format *f)
1307{
1308        struct saa7134_dev *dev = video_drvdata(file);
1309
1310        if (saa7134_no_overlay > 0) {
1311                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1312                return -EINVAL;
1313        }
1314
1315        if (f->fmt.win.clips == NULL)
1316                f->fmt.win.clipcount = 0;
1317        return verify_preview(dev, &f->fmt.win, true);
1318}
1319
1320static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1321                                        struct v4l2_format *f)
1322{
1323        struct saa7134_dev *dev = video_drvdata(file);
1324        int err;
1325
1326        err = saa7134_try_fmt_vid_cap(file, priv, f);
1327        if (0 != err)
1328                return err;
1329
1330        dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1331        dev->width = f->fmt.pix.width;
1332        dev->height = f->fmt.pix.height;
1333        dev->field = f->fmt.pix.field;
1334        return 0;
1335}
1336
1337static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1338                                        struct v4l2_format *f)
1339{
1340        struct saa7134_dev *dev = video_drvdata(file);
1341        int err;
1342        unsigned long flags;
1343
1344        if (saa7134_no_overlay > 0) {
1345                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1346                return -EINVAL;
1347        }
1348        if (f->fmt.win.clips == NULL)
1349                f->fmt.win.clipcount = 0;
1350        err = verify_preview(dev, &f->fmt.win, true);
1351        if (0 != err)
1352                return err;
1353
1354        dev->win    = f->fmt.win;
1355        dev->nclips = f->fmt.win.clipcount;
1356
1357        if (copy_from_user(dev->clips, f->fmt.win.clips,
1358                           sizeof(struct v4l2_clip) * dev->nclips))
1359                return -EFAULT;
1360
1361        if (priv == dev->overlay_owner) {
1362                spin_lock_irqsave(&dev->slock, flags);
1363                stop_preview(dev);
1364                start_preview(dev);
1365                spin_unlock_irqrestore(&dev->slock, flags);
1366        }
1367
1368        return 0;
1369}
1370
1371int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1372{
1373        struct saa7134_dev *dev = video_drvdata(file);
1374        unsigned int n;
1375
1376        n = i->index;
1377        if (n >= SAA7134_INPUT_MAX)
1378                return -EINVAL;
1379        if (NULL == card_in(dev, i->index).name)
1380                return -EINVAL;
1381        i->index = n;
1382        i->type  = V4L2_INPUT_TYPE_CAMERA;
1383        strcpy(i->name, card_in(dev, n).name);
1384        if (card_in(dev, n).tv)
1385                i->type = V4L2_INPUT_TYPE_TUNER;
1386        if (n == dev->ctl_input) {
1387                int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1388                int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1389
1390                if (0 != (v1 & 0x40))
1391                        i->status |= V4L2_IN_ST_NO_H_LOCK;
1392                if (0 != (v2 & 0x40))
1393                        i->status |= V4L2_IN_ST_NO_SIGNAL;
1394                if (0 != (v2 & 0x0e))
1395                        i->status |= V4L2_IN_ST_MACROVISION;
1396        }
1397        i->std = SAA7134_NORMS;
1398        return 0;
1399}
1400EXPORT_SYMBOL_GPL(saa7134_enum_input);
1401
1402int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1403{
1404        struct saa7134_dev *dev = video_drvdata(file);
1405
1406        *i = dev->ctl_input;
1407        return 0;
1408}
1409EXPORT_SYMBOL_GPL(saa7134_g_input);
1410
1411int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1412{
1413        struct saa7134_dev *dev = video_drvdata(file);
1414
1415        if (i >= SAA7134_INPUT_MAX)
1416                return -EINVAL;
1417        if (NULL == card_in(dev, i).name)
1418                return -EINVAL;
1419        video_mux(dev, i);
1420        return 0;
1421}
1422EXPORT_SYMBOL_GPL(saa7134_s_input);
1423
1424int saa7134_querycap(struct file *file, void *priv,
1425                                        struct v4l2_capability *cap)
1426{
1427        struct saa7134_dev *dev = video_drvdata(file);
1428        struct video_device *vdev = video_devdata(file);
1429        u32 radio_caps, video_caps, vbi_caps;
1430
1431        unsigned int tuner_type = dev->tuner_type;
1432
1433        strcpy(cap->driver, "saa7134");
1434        strlcpy(cap->card, saa7134_boards[dev->board].name,
1435                sizeof(cap->card));
1436        sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1437
1438        cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1439        if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1440                cap->device_caps |= V4L2_CAP_TUNER;
1441
1442        radio_caps = V4L2_CAP_RADIO;
1443        if (dev->has_rds)
1444                radio_caps |= V4L2_CAP_RDS_CAPTURE;
1445
1446        video_caps = V4L2_CAP_VIDEO_CAPTURE;
1447        if (saa7134_no_overlay <= 0 && !is_empress(file))
1448                video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1449
1450        vbi_caps = V4L2_CAP_VBI_CAPTURE;
1451
1452        switch (vdev->vfl_type) {
1453        case VFL_TYPE_RADIO:
1454                cap->device_caps |= radio_caps;
1455                break;
1456        case VFL_TYPE_GRABBER:
1457                cap->device_caps |= video_caps;
1458                break;
1459        case VFL_TYPE_VBI:
1460                cap->device_caps |= vbi_caps;
1461                break;
1462        }
1463        cap->capabilities = radio_caps | video_caps | vbi_caps |
1464                cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1465        if (vdev->vfl_type == VFL_TYPE_RADIO) {
1466                cap->device_caps &= ~V4L2_CAP_STREAMING;
1467                if (!dev->has_rds)
1468                        cap->device_caps &= ~V4L2_CAP_READWRITE;
1469        }
1470
1471        return 0;
1472}
1473EXPORT_SYMBOL_GPL(saa7134_querycap);
1474
1475int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1476{
1477        struct saa7134_dev *dev = video_drvdata(file);
1478        struct v4l2_fh *fh = priv;
1479        unsigned long flags;
1480        unsigned int i;
1481        v4l2_std_id fixup;
1482
1483        if (is_empress(file) && dev->overlay_owner) {
1484                /* Don't change the std from the mpeg device
1485                   if overlay is active. */
1486                return -EBUSY;
1487        }
1488
1489        for (i = 0; i < TVNORMS; i++)
1490                if (id == tvnorms[i].id)
1491                        break;
1492
1493        if (i == TVNORMS)
1494                for (i = 0; i < TVNORMS; i++)
1495                        if (id & tvnorms[i].id)
1496                                break;
1497        if (i == TVNORMS)
1498                return -EINVAL;
1499
1500        if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1501                if (secam[0] == 'L' || secam[0] == 'l') {
1502                        if (secam[1] == 'C' || secam[1] == 'c')
1503                                fixup = V4L2_STD_SECAM_LC;
1504                        else
1505                                fixup = V4L2_STD_SECAM_L;
1506                } else {
1507                        if (secam[0] == 'D' || secam[0] == 'd')
1508                                fixup = V4L2_STD_SECAM_DK;
1509                        else
1510                                fixup = V4L2_STD_SECAM;
1511                }
1512                for (i = 0; i < TVNORMS; i++) {
1513                        if (fixup == tvnorms[i].id)
1514                                break;
1515                }
1516                if (i == TVNORMS)
1517                        return -EINVAL;
1518        }
1519
1520        id = tvnorms[i].id;
1521
1522        if (!is_empress(file) && fh == dev->overlay_owner) {
1523                spin_lock_irqsave(&dev->slock, flags);
1524                stop_preview(dev);
1525                spin_unlock_irqrestore(&dev->slock, flags);
1526
1527                set_tvnorm(dev, &tvnorms[i]);
1528
1529                spin_lock_irqsave(&dev->slock, flags);
1530                start_preview(dev);
1531                spin_unlock_irqrestore(&dev->slock, flags);
1532        } else
1533                set_tvnorm(dev, &tvnorms[i]);
1534
1535        saa7134_tvaudio_do_scan(dev);
1536        return 0;
1537}
1538EXPORT_SYMBOL_GPL(saa7134_s_std);
1539
1540int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1541{
1542        struct saa7134_dev *dev = video_drvdata(file);
1543
1544        *id = dev->tvnorm->id;
1545        return 0;
1546}
1547EXPORT_SYMBOL_GPL(saa7134_g_std);
1548
1549static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1550{
1551        static v4l2_std_id stds[] = {
1552                V4L2_STD_UNKNOWN,
1553                V4L2_STD_NTSC,
1554                V4L2_STD_PAL,
1555                V4L2_STD_SECAM };
1556
1557        v4l2_std_id result = 0;
1558
1559        u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1560        u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1561
1562        if (!(st2 & 0x1)) /* RDCAP == 0 */
1563                result = V4L2_STD_UNKNOWN;
1564        else
1565                result = stds[st1 & 0x03];
1566
1567        return result;
1568}
1569
1570int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1571{
1572        struct saa7134_dev *dev = video_drvdata(file);
1573        *std &= saa7134_read_std(dev);
1574        return 0;
1575}
1576EXPORT_SYMBOL_GPL(saa7134_querystd);
1577
1578static int saa7134_cropcap(struct file *file, void *priv,
1579                                        struct v4l2_cropcap *cap)
1580{
1581        struct saa7134_dev *dev = video_drvdata(file);
1582
1583        if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1584            cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1585                return -EINVAL;
1586        cap->bounds  = dev->crop_bounds;
1587        cap->defrect = dev->crop_defrect;
1588        cap->pixelaspect.numerator   = 1;
1589        cap->pixelaspect.denominator = 1;
1590        if (dev->tvnorm->id & V4L2_STD_525_60) {
1591                cap->pixelaspect.numerator   = 11;
1592                cap->pixelaspect.denominator = 10;
1593        }
1594        if (dev->tvnorm->id & V4L2_STD_625_50) {
1595                cap->pixelaspect.numerator   = 54;
1596                cap->pixelaspect.denominator = 59;
1597        }
1598        return 0;
1599}
1600
1601static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1602{
1603        struct saa7134_dev *dev = video_drvdata(file);
1604
1605        if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1606            crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1607                return -EINVAL;
1608        crop->c = dev->crop_current;
1609        return 0;
1610}
1611
1612static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1613{
1614        struct saa7134_dev *dev = video_drvdata(file);
1615        struct v4l2_rect *b = &dev->crop_bounds;
1616        struct v4l2_rect *c = &dev->crop_current;
1617
1618        if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1619            crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1620                return -EINVAL;
1621
1622        if (dev->overlay_owner)
1623                return -EBUSY;
1624        if (vb2_is_streaming(&dev->video_vbq))
1625                return -EBUSY;
1626
1627        *c = crop->c;
1628        if (c->top < b->top)
1629                c->top = b->top;
1630        if (c->top > b->top + b->height)
1631                c->top = b->top + b->height;
1632        if (c->height > b->top - c->top + b->height)
1633                c->height = b->top - c->top + b->height;
1634
1635        if (c->left < b->left)
1636                c->left = b->left;
1637        if (c->left > b->left + b->width)
1638                c->left = b->left + b->width;
1639        if (c->width > b->left - c->left + b->width)
1640                c->width = b->left - c->left + b->width;
1641        return 0;
1642}
1643
1644int saa7134_g_tuner(struct file *file, void *priv,
1645                                        struct v4l2_tuner *t)
1646{
1647        struct saa7134_dev *dev = video_drvdata(file);
1648        int n;
1649
1650        if (0 != t->index)
1651                return -EINVAL;
1652        memset(t, 0, sizeof(*t));
1653        for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1654                if (card_in(dev, n).tv)
1655                        break;
1656        }
1657        if (n == SAA7134_INPUT_MAX)
1658                return -EINVAL;
1659        if (NULL != card_in(dev, n).name) {
1660                strcpy(t->name, "Television");
1661                t->type = V4L2_TUNER_ANALOG_TV;
1662                saa_call_all(dev, tuner, g_tuner, t);
1663                t->capability = V4L2_TUNER_CAP_NORM |
1664                        V4L2_TUNER_CAP_STEREO |
1665                        V4L2_TUNER_CAP_LANG1 |
1666                        V4L2_TUNER_CAP_LANG2;
1667                t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1668                t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1669        }
1670        if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1671                t->signal = 0xffff;
1672        return 0;
1673}
1674EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1675
1676int saa7134_s_tuner(struct file *file, void *priv,
1677                                        const struct v4l2_tuner *t)
1678{
1679        struct saa7134_dev *dev = video_drvdata(file);
1680        int rx, mode;
1681
1682        if (0 != t->index)
1683                return -EINVAL;
1684
1685        mode = dev->thread.mode;
1686        if (UNSET == mode) {
1687                rx   = saa7134_tvaudio_getstereo(dev);
1688                mode = saa7134_tvaudio_rx2mode(rx);
1689        }
1690        if (mode != t->audmode)
1691                dev->thread.mode = t->audmode;
1692
1693        return 0;
1694}
1695EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1696
1697int saa7134_g_frequency(struct file *file, void *priv,
1698                                        struct v4l2_frequency *f)
1699{
1700        struct saa7134_dev *dev = video_drvdata(file);
1701
1702        if (0 != f->tuner)
1703                return -EINVAL;
1704
1705        saa_call_all(dev, tuner, g_frequency, f);
1706
1707        return 0;
1708}
1709EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1710
1711int saa7134_s_frequency(struct file *file, void *priv,
1712                                        const struct v4l2_frequency *f)
1713{
1714        struct saa7134_dev *dev = video_drvdata(file);
1715
1716        if (0 != f->tuner)
1717                return -EINVAL;
1718
1719        saa_call_all(dev, tuner, s_frequency, f);
1720
1721        saa7134_tvaudio_do_scan(dev);
1722        return 0;
1723}
1724EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1725
1726static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1727                                        struct v4l2_fmtdesc *f)
1728{
1729        if (f->index >= FORMATS)
1730                return -EINVAL;
1731
1732        strlcpy(f->description, formats[f->index].name,
1733                sizeof(f->description));
1734
1735        f->pixelformat = formats[f->index].fourcc;
1736
1737        return 0;
1738}
1739
1740static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1741                                        struct v4l2_fmtdesc *f)
1742{
1743        if (saa7134_no_overlay > 0) {
1744                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1745                return -EINVAL;
1746        }
1747
1748        if ((f->index >= FORMATS) || formats[f->index].planar)
1749                return -EINVAL;
1750
1751        strlcpy(f->description, formats[f->index].name,
1752                sizeof(f->description));
1753
1754        f->pixelformat = formats[f->index].fourcc;
1755
1756        return 0;
1757}
1758
1759static int saa7134_g_fbuf(struct file *file, void *f,
1760                                struct v4l2_framebuffer *fb)
1761{
1762        struct saa7134_dev *dev = video_drvdata(file);
1763
1764        *fb = dev->ovbuf;
1765        fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1766
1767        return 0;
1768}
1769
1770static int saa7134_s_fbuf(struct file *file, void *f,
1771                                        const struct v4l2_framebuffer *fb)
1772{
1773        struct saa7134_dev *dev = video_drvdata(file);
1774        struct saa7134_format *fmt;
1775
1776        if (!capable(CAP_SYS_ADMIN) &&
1777           !capable(CAP_SYS_RAWIO))
1778                return -EPERM;
1779
1780        /* check args */
1781        fmt = format_by_fourcc(fb->fmt.pixelformat);
1782        if (NULL == fmt)
1783                return -EINVAL;
1784
1785        /* ok, accept it */
1786        dev->ovbuf = *fb;
1787        dev->ovfmt = fmt;
1788        if (0 == dev->ovbuf.fmt.bytesperline)
1789                dev->ovbuf.fmt.bytesperline =
1790                        dev->ovbuf.fmt.width*fmt->depth/8;
1791        return 0;
1792}
1793
1794static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1795{
1796        struct saa7134_dev *dev = video_drvdata(file);
1797        unsigned long flags;
1798
1799        if (on) {
1800                if (saa7134_no_overlay > 0) {
1801                        video_dbg("no_overlay\n");
1802                        return -EINVAL;
1803                }
1804
1805                if (dev->overlay_owner && priv != dev->overlay_owner)
1806                        return -EBUSY;
1807                dev->overlay_owner = priv;
1808                spin_lock_irqsave(&dev->slock, flags);
1809                start_preview(dev);
1810                spin_unlock_irqrestore(&dev->slock, flags);
1811        }
1812        if (!on) {
1813                if (priv != dev->overlay_owner)
1814                        return -EINVAL;
1815                spin_lock_irqsave(&dev->slock, flags);
1816                stop_preview(dev);
1817                spin_unlock_irqrestore(&dev->slock, flags);
1818                dev->overlay_owner = NULL;
1819        }
1820        return 0;
1821}
1822
1823#ifdef CONFIG_VIDEO_ADV_DEBUG
1824static int vidioc_g_register (struct file *file, void *priv,
1825                              struct v4l2_dbg_register *reg)
1826{
1827        struct saa7134_dev *dev = video_drvdata(file);
1828
1829        reg->val = saa_readb(reg->reg & 0xffffff);
1830        reg->size = 1;
1831        return 0;
1832}
1833
1834static int vidioc_s_register (struct file *file, void *priv,
1835                                const struct v4l2_dbg_register *reg)
1836{
1837        struct saa7134_dev *dev = video_drvdata(file);
1838
1839        saa_writeb(reg->reg & 0xffffff, reg->val);
1840        return 0;
1841}
1842#endif
1843
1844static int radio_g_tuner(struct file *file, void *priv,
1845                                        struct v4l2_tuner *t)
1846{
1847        struct saa7134_dev *dev = video_drvdata(file);
1848
1849        if (0 != t->index)
1850                return -EINVAL;
1851
1852        strcpy(t->name, "Radio");
1853
1854        saa_call_all(dev, tuner, g_tuner, t);
1855        t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1856        if (dev->input->amux == TV) {
1857                t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1858                t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1859                                V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1860        }
1861        return 0;
1862}
1863static int radio_s_tuner(struct file *file, void *priv,
1864                                        const struct v4l2_tuner *t)
1865{
1866        struct saa7134_dev *dev = video_drvdata(file);
1867
1868        if (0 != t->index)
1869                return -EINVAL;
1870
1871        saa_call_all(dev, tuner, s_tuner, t);
1872        return 0;
1873}
1874
1875static const struct v4l2_file_operations video_fops =
1876{
1877        .owner    = THIS_MODULE,
1878        .open     = video_open,
1879        .release  = video_release,
1880        .read     = vb2_fop_read,
1881        .poll     = vb2_fop_poll,
1882        .mmap     = vb2_fop_mmap,
1883        .unlocked_ioctl   = video_ioctl2,
1884};
1885
1886static const struct v4l2_ioctl_ops video_ioctl_ops = {
1887        .vidioc_querycap                = saa7134_querycap,
1888        .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1889        .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1890        .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1891        .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1892        .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1893        .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1894        .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1895        .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1896        .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1897        .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1898        .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1899        .vidioc_cropcap                 = saa7134_cropcap,
1900        .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1901        .vidioc_querybuf                = vb2_ioctl_querybuf,
1902        .vidioc_qbuf                    = vb2_ioctl_qbuf,
1903        .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1904        .vidioc_s_std                   = saa7134_s_std,
1905        .vidioc_g_std                   = saa7134_g_std,
1906        .vidioc_querystd                = saa7134_querystd,
1907        .vidioc_enum_input              = saa7134_enum_input,
1908        .vidioc_g_input                 = saa7134_g_input,
1909        .vidioc_s_input                 = saa7134_s_input,
1910        .vidioc_streamon                = vb2_ioctl_streamon,
1911        .vidioc_streamoff               = vb2_ioctl_streamoff,
1912        .vidioc_g_tuner                 = saa7134_g_tuner,
1913        .vidioc_s_tuner                 = saa7134_s_tuner,
1914        .vidioc_g_crop                  = saa7134_g_crop,
1915        .vidioc_s_crop                  = saa7134_s_crop,
1916        .vidioc_g_fbuf                  = saa7134_g_fbuf,
1917        .vidioc_s_fbuf                  = saa7134_s_fbuf,
1918        .vidioc_overlay                 = saa7134_overlay,
1919        .vidioc_g_frequency             = saa7134_g_frequency,
1920        .vidioc_s_frequency             = saa7134_s_frequency,
1921#ifdef CONFIG_VIDEO_ADV_DEBUG
1922        .vidioc_g_register              = vidioc_g_register,
1923        .vidioc_s_register              = vidioc_s_register,
1924#endif
1925        .vidioc_log_status              = v4l2_ctrl_log_status,
1926        .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
1927        .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
1928};
1929
1930static const struct v4l2_file_operations radio_fops = {
1931        .owner    = THIS_MODULE,
1932        .open     = video_open,
1933        .read     = radio_read,
1934        .release  = video_release,
1935        .unlocked_ioctl = video_ioctl2,
1936        .poll     = radio_poll,
1937};
1938
1939static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1940        .vidioc_querycap        = saa7134_querycap,
1941        .vidioc_g_tuner         = radio_g_tuner,
1942        .vidioc_s_tuner         = radio_s_tuner,
1943        .vidioc_g_frequency     = saa7134_g_frequency,
1944        .vidioc_s_frequency     = saa7134_s_frequency,
1945        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1946        .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1947};
1948
1949/* ----------------------------------------------------------- */
1950/* exported stuff                                              */
1951
1952struct video_device saa7134_video_template = {
1953        .name                           = "saa7134-video",
1954        .fops                           = &video_fops,
1955        .ioctl_ops                      = &video_ioctl_ops,
1956        .tvnorms                        = SAA7134_NORMS,
1957};
1958
1959struct video_device saa7134_radio_template = {
1960        .name                   = "saa7134-radio",
1961        .fops                   = &radio_fops,
1962        .ioctl_ops              = &radio_ioctl_ops,
1963};
1964
1965static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1966        .s_ctrl = saa7134_s_ctrl,
1967};
1968
1969static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1970        .ops = &saa7134_ctrl_ops,
1971        .id = V4L2_CID_PRIVATE_INVERT,
1972        .name = "Invert",
1973        .type = V4L2_CTRL_TYPE_BOOLEAN,
1974        .min = 0,
1975        .max = 1,
1976        .step = 1,
1977};
1978
1979static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1980        .ops = &saa7134_ctrl_ops,
1981        .id = V4L2_CID_PRIVATE_Y_ODD,
1982        .name = "Y Offset Odd Field",
1983        .type = V4L2_CTRL_TYPE_INTEGER,
1984        .min = 0,
1985        .max = 128,
1986        .step = 1,
1987};
1988
1989static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1990        .ops = &saa7134_ctrl_ops,
1991        .id = V4L2_CID_PRIVATE_Y_EVEN,
1992        .name = "Y Offset Even Field",
1993        .type = V4L2_CTRL_TYPE_INTEGER,
1994        .min = 0,
1995        .max = 128,
1996        .step = 1,
1997};
1998
1999static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2000        .ops = &saa7134_ctrl_ops,
2001        .id = V4L2_CID_PRIVATE_AUTOMUTE,
2002        .name = "Automute",
2003        .type = V4L2_CTRL_TYPE_BOOLEAN,
2004        .min = 0,
2005        .max = 1,
2006        .step = 1,
2007        .def = 1,
2008};
2009
2010int saa7134_video_init1(struct saa7134_dev *dev)
2011{
2012        struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2013        struct vb2_queue *q;
2014        int ret;
2015
2016        /* sanitycheck insmod options */
2017        if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2018                gbuffers = 2;
2019        if (gbufsize > gbufsize_max)
2020                gbufsize = gbufsize_max;
2021        gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2022
2023        v4l2_ctrl_handler_init(hdl, 11);
2024        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2025                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2026        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2027                        V4L2_CID_CONTRAST, 0, 127, 1, 68);
2028        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2029                        V4L2_CID_SATURATION, 0, 127, 1, 64);
2030        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2031                        V4L2_CID_HUE, -128, 127, 1, 0);
2032        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2033                        V4L2_CID_HFLIP, 0, 1, 1, 0);
2034        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2035                        V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2036        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2037                        V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2038        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2039        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2040        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2041        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2042        if (hdl->error)
2043                return hdl->error;
2044        if (card_has_radio(dev)) {
2045                hdl = &dev->radio_ctrl_handler;
2046                v4l2_ctrl_handler_init(hdl, 2);
2047                v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2048                                v4l2_ctrl_radio_filter);
2049                if (hdl->error)
2050                        return hdl->error;
2051        }
2052        dev->ctl_mute       = 1;
2053
2054        if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2055                dev->tda9887_conf |= TDA9887_AUTOMUTE;
2056        dev->automute       = 0;
2057
2058        INIT_LIST_HEAD(&dev->video_q.queue);
2059        init_timer(&dev->video_q.timeout);
2060        dev->video_q.timeout.function = saa7134_buffer_timeout;
2061        dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2062        dev->video_q.dev              = dev;
2063        dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2064        dev->width    = 720;
2065        dev->height   = 576;
2066        dev->field = V4L2_FIELD_INTERLACED;
2067        dev->win.w.width = dev->width;
2068        dev->win.w.height = dev->height;
2069        dev->win.field = V4L2_FIELD_INTERLACED;
2070        dev->ovbuf.fmt.width = dev->width;
2071        dev->ovbuf.fmt.height = dev->height;
2072        dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2073        dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2074
2075        if (saa7134_boards[dev->board].video_out)
2076                saa7134_videoport_init(dev);
2077
2078        q = &dev->video_vbq;
2079        q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2080        /*
2081         * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2082         * engine cannot handle transfers that do not start at the beginning
2083         * of a page. A user-provided pointer can start anywhere in a page, so
2084         * USERPTR support is a no-go unless the application knows about these
2085         * limitations and has special support for this.
2086         */
2087        q->io_modes = VB2_MMAP | VB2_READ;
2088        if (saa7134_userptr)
2089                q->io_modes |= VB2_USERPTR;
2090        q->drv_priv = &dev->video_q;
2091        q->ops = &vb2_qops;
2092        q->gfp_flags = GFP_DMA32;
2093        q->mem_ops = &vb2_dma_sg_memops;
2094        q->buf_struct_size = sizeof(struct saa7134_buf);
2095        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2096        q->lock = &dev->lock;
2097        ret = vb2_queue_init(q);
2098        if (ret)
2099                return ret;
2100        saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2101
2102        q = &dev->vbi_vbq;
2103        q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2104        /* Don't add VB2_USERPTR, see comment above */
2105        q->io_modes = VB2_MMAP | VB2_READ;
2106        if (saa7134_userptr)
2107                q->io_modes |= VB2_USERPTR;
2108        q->drv_priv = &dev->vbi_q;
2109        q->ops = &saa7134_vbi_qops;
2110        q->gfp_flags = GFP_DMA32;
2111        q->mem_ops = &vb2_dma_sg_memops;
2112        q->buf_struct_size = sizeof(struct saa7134_buf);
2113        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2114        q->lock = &dev->lock;
2115        ret = vb2_queue_init(q);
2116        if (ret)
2117                return ret;
2118        saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2119
2120        return 0;
2121}
2122
2123void saa7134_video_fini(struct saa7134_dev *dev)
2124{
2125        /* free stuff */
2126        vb2_queue_release(&dev->video_vbq);
2127        saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2128        vb2_queue_release(&dev->vbi_vbq);
2129        saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2130        v4l2_ctrl_handler_free(&dev->ctrl_handler);
2131        if (card_has_radio(dev))
2132                v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2133}
2134
2135int saa7134_videoport_init(struct saa7134_dev *dev)
2136{
2137        /* enable video output */
2138        int vo = saa7134_boards[dev->board].video_out;
2139        int video_reg;
2140        unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2141
2142        /* Configure videoport */
2143        saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2144        video_reg = video_out[vo][1];
2145        if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2146                video_reg &= ~VP_T_CODE_P_INVERTED;
2147        saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2148        saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2149        saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2150        video_reg = video_out[vo][5];
2151        if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2152                video_reg &= ~VP_CLK_CTRL2_DELAYED;
2153        if (vid_port_opts & SET_CLOCK_INVERTED)
2154                video_reg |= VP_CLK_CTRL1_INVERTED;
2155        saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2156        video_reg = video_out[vo][6];
2157        if (vid_port_opts & SET_VSYNC_OFF) {
2158                video_reg &= ~VP_VS_TYPE_MASK;
2159                video_reg |= VP_VS_TYPE_OFF;
2160        }
2161        saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2162        saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2163        saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2164
2165        /* Start videoport */
2166        saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2167
2168        return 0;
2169}
2170
2171int saa7134_video_init2(struct saa7134_dev *dev)
2172{
2173        /* init video hw */
2174        set_tvnorm(dev,&tvnorms[0]);
2175        video_mux(dev,0);
2176        v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2177        saa7134_tvaudio_setmute(dev);
2178        saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2179        return 0;
2180}
2181
2182void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2183{
2184        static const char *st[] = {
2185                "(no signal)", "NTSC", "PAL", "SECAM" };
2186        u32 st1,st2;
2187
2188        st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2189        st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2190        video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2191                (st1 & 0x40) ? "not locked" : "locked",
2192                (st2 & 0x40) ? "no"         : "yes",
2193                st[st1 & 0x03]);
2194        dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2195
2196        if (dev->nosignal) {
2197                /* no video signal -> mute audio */
2198                if (dev->ctl_automute)
2199                        dev->automute = 1;
2200                saa7134_tvaudio_setmute(dev);
2201        } else {
2202                /* wake up tvaudio audio carrier scan thread */
2203                saa7134_tvaudio_do_scan(dev);
2204        }
2205
2206        if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2207                saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2208        else
2209                saa_setb(SAA7134_SYNC_CTRL, 0x20);
2210
2211        if (dev->mops && dev->mops->signal_change)
2212                dev->mops->signal_change(dev);
2213}
2214
2215
2216void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2217{
2218        enum v4l2_field field;
2219
2220        spin_lock(&dev->slock);
2221        if (dev->video_q.curr) {
2222                field = dev->field;
2223                if (V4L2_FIELD_HAS_BOTH(field)) {
2224                        /* make sure we have seen both fields */
2225                        if ((status & 0x10) == 0x00) {
2226                                dev->video_q.curr->top_seen = 1;
2227                                goto done;
2228                        }
2229                        if (!dev->video_q.curr->top_seen)
2230                                goto done;
2231                } else if (field == V4L2_FIELD_TOP) {
2232                        if ((status & 0x10) != 0x10)
2233                                goto done;
2234                } else if (field == V4L2_FIELD_BOTTOM) {
2235                        if ((status & 0x10) != 0x00)
2236                                goto done;
2237                }
2238                saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2239        }
2240        saa7134_buffer_next(dev, &dev->video_q);
2241
2242 done:
2243        spin_unlock(&dev->slock);
2244}
2245