linux/drivers/media/pci/saa7134/saa7134-video.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *
   4 * device driver for philips saa7134 based TV cards
   5 * video4linux video interface
   6 *
   7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   8 */
   9
  10#include "saa7134.h"
  11#include "saa7134-reg.h"
  12
  13#include <linux/init.h>
  14#include <linux/list.h>
  15#include <linux/module.h>
  16#include <linux/kernel.h>
  17#include <linux/slab.h>
  18#include <linux/sort.h>
  19
  20#include <media/v4l2-common.h>
  21#include <media/v4l2-event.h>
  22#include <media/i2c/saa6588.h>
  23
  24/* ------------------------------------------------------------------ */
  25
  26unsigned int video_debug;
  27static unsigned int gbuffers      = 8;
  28static unsigned int noninterlaced; /* 0 */
  29static unsigned int gbufsize      = 720*576*4;
  30static unsigned int gbufsize_max  = 720*576*4;
  31static char secam[] = "--";
  32module_param(video_debug, int, 0644);
  33MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  34module_param(gbuffers, int, 0444);
  35MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  36module_param(noninterlaced, int, 0644);
  37MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  38module_param_string(secam, secam, sizeof(secam), 0644);
  39MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  40
  41
  42#define video_dbg(fmt, arg...) do { \
  43        if (video_debug & 0x04) \
  44                printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
  45        } while (0)
  46
  47/* ------------------------------------------------------------------ */
  48/* Defines for Video Output Port Register at address 0x191            */
  49
  50/* Bit 0: VIP code T bit polarity */
  51
  52#define VP_T_CODE_P_NON_INVERTED        0x00
  53#define VP_T_CODE_P_INVERTED            0x01
  54
  55/* ------------------------------------------------------------------ */
  56/* Defines for Video Output Port Register at address 0x195            */
  57
  58/* Bit 2: Video output clock delay control */
  59
  60#define VP_CLK_CTRL2_NOT_DELAYED        0x00
  61#define VP_CLK_CTRL2_DELAYED            0x04
  62
  63/* Bit 1: Video output clock invert control */
  64
  65#define VP_CLK_CTRL1_NON_INVERTED       0x00
  66#define VP_CLK_CTRL1_INVERTED           0x02
  67
  68/* ------------------------------------------------------------------ */
  69/* Defines for Video Output Port Register at address 0x196            */
  70
  71/* Bits 2 to 0: VSYNC pin video vertical sync type */
  72
  73#define VP_VS_TYPE_MASK                 0x07
  74
  75#define VP_VS_TYPE_OFF                  0x00
  76#define VP_VS_TYPE_V123                 0x01
  77#define VP_VS_TYPE_V_ITU                0x02
  78#define VP_VS_TYPE_VGATE_L              0x03
  79#define VP_VS_TYPE_RESERVED1            0x04
  80#define VP_VS_TYPE_RESERVED2            0x05
  81#define VP_VS_TYPE_F_ITU                0x06
  82#define VP_VS_TYPE_SC_FID               0x07
  83
  84/* ------------------------------------------------------------------ */
  85/* data structs for video                                             */
  86
  87static int video_out[][9] = {
  88        [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  89};
  90
  91static struct saa7134_format formats[] = {
  92        {
  93                .fourcc   = V4L2_PIX_FMT_GREY,
  94                .depth    = 8,
  95                .pm       = 0x06,
  96        },{
  97                .fourcc   = V4L2_PIX_FMT_RGB555,
  98                .depth    = 16,
  99                .pm       = 0x13 | 0x80,
 100        },{
 101                .fourcc   = V4L2_PIX_FMT_RGB555X,
 102                .depth    = 16,
 103                .pm       = 0x13 | 0x80,
 104                .bswap    = 1,
 105        },{
 106                .fourcc   = V4L2_PIX_FMT_RGB565,
 107                .depth    = 16,
 108                .pm       = 0x10 | 0x80,
 109        },{
 110                .fourcc   = V4L2_PIX_FMT_RGB565X,
 111                .depth    = 16,
 112                .pm       = 0x10 | 0x80,
 113                .bswap    = 1,
 114        },{
 115                .fourcc   = V4L2_PIX_FMT_BGR24,
 116                .depth    = 24,
 117                .pm       = 0x11,
 118        },{
 119                .fourcc   = V4L2_PIX_FMT_RGB24,
 120                .depth    = 24,
 121                .pm       = 0x11,
 122                .bswap    = 1,
 123        },{
 124                .fourcc   = V4L2_PIX_FMT_BGR32,
 125                .depth    = 32,
 126                .pm       = 0x12,
 127        },{
 128                .fourcc   = V4L2_PIX_FMT_RGB32,
 129                .depth    = 32,
 130                .pm       = 0x12,
 131                .bswap    = 1,
 132                .wswap    = 1,
 133        },{
 134                .fourcc   = V4L2_PIX_FMT_YUYV,
 135                .depth    = 16,
 136                .pm       = 0x00,
 137                .bswap    = 1,
 138                .yuv      = 1,
 139        },{
 140                .fourcc   = V4L2_PIX_FMT_UYVY,
 141                .depth    = 16,
 142                .pm       = 0x00,
 143                .yuv      = 1,
 144        },{
 145                .fourcc   = V4L2_PIX_FMT_YUV422P,
 146                .depth    = 16,
 147                .pm       = 0x09,
 148                .yuv      = 1,
 149                .planar   = 1,
 150                .hshift   = 1,
 151                .vshift   = 0,
 152        },{
 153                .fourcc   = V4L2_PIX_FMT_YUV420,
 154                .depth    = 12,
 155                .pm       = 0x0a,
 156                .yuv      = 1,
 157                .planar   = 1,
 158                .hshift   = 1,
 159                .vshift   = 1,
 160        },{
 161                .fourcc   = V4L2_PIX_FMT_YVU420,
 162                .depth    = 12,
 163                .pm       = 0x0a,
 164                .yuv      = 1,
 165                .planar   = 1,
 166                .uvswap   = 1,
 167                .hshift   = 1,
 168                .vshift   = 1,
 169        }
 170};
 171#define FORMATS ARRAY_SIZE(formats)
 172
 173#define NORM_625_50                     \
 174                .h_start       = 0,     \
 175                .h_stop        = 719,   \
 176                .video_v_start = 24,    \
 177                .video_v_stop  = 311,   \
 178                .vbi_v_start_0 = 7,     \
 179                .vbi_v_stop_0  = 23,    \
 180                .vbi_v_start_1 = 319,   \
 181                .src_timing    = 4
 182
 183#define NORM_525_60                     \
 184                .h_start       = 0,     \
 185                .h_stop        = 719,   \
 186                .video_v_start = 23,    \
 187                .video_v_stop  = 262,   \
 188                .vbi_v_start_0 = 10,    \
 189                .vbi_v_stop_0  = 21,    \
 190                .vbi_v_start_1 = 273,   \
 191                .src_timing    = 7
 192
 193static struct saa7134_tvnorm tvnorms[] = {
 194        {
 195                .name          = "PAL", /* autodetect */
 196                .id            = V4L2_STD_PAL,
 197                NORM_625_50,
 198
 199                .sync_control  = 0x18,
 200                .luma_control  = 0x40,
 201                .chroma_ctrl1  = 0x81,
 202                .chroma_gain   = 0x2a,
 203                .chroma_ctrl2  = 0x06,
 204                .vgate_misc    = 0x1c,
 205
 206        },{
 207                .name          = "PAL-BG",
 208                .id            = V4L2_STD_PAL_BG,
 209                NORM_625_50,
 210
 211                .sync_control  = 0x18,
 212                .luma_control  = 0x40,
 213                .chroma_ctrl1  = 0x81,
 214                .chroma_gain   = 0x2a,
 215                .chroma_ctrl2  = 0x06,
 216                .vgate_misc    = 0x1c,
 217
 218        },{
 219                .name          = "PAL-I",
 220                .id            = V4L2_STD_PAL_I,
 221                NORM_625_50,
 222
 223                .sync_control  = 0x18,
 224                .luma_control  = 0x40,
 225                .chroma_ctrl1  = 0x81,
 226                .chroma_gain   = 0x2a,
 227                .chroma_ctrl2  = 0x06,
 228                .vgate_misc    = 0x1c,
 229
 230        },{
 231                .name          = "PAL-DK",
 232                .id            = V4L2_STD_PAL_DK,
 233                NORM_625_50,
 234
 235                .sync_control  = 0x18,
 236                .luma_control  = 0x40,
 237                .chroma_ctrl1  = 0x81,
 238                .chroma_gain   = 0x2a,
 239                .chroma_ctrl2  = 0x06,
 240                .vgate_misc    = 0x1c,
 241
 242        },{
 243                .name          = "NTSC",
 244                .id            = V4L2_STD_NTSC,
 245                NORM_525_60,
 246
 247                .sync_control  = 0x59,
 248                .luma_control  = 0x40,
 249                .chroma_ctrl1  = 0x89,
 250                .chroma_gain   = 0x2a,
 251                .chroma_ctrl2  = 0x0e,
 252                .vgate_misc    = 0x18,
 253
 254        },{
 255                .name          = "SECAM",
 256                .id            = V4L2_STD_SECAM,
 257                NORM_625_50,
 258
 259                .sync_control  = 0x18,
 260                .luma_control  = 0x1b,
 261                .chroma_ctrl1  = 0xd1,
 262                .chroma_gain   = 0x80,
 263                .chroma_ctrl2  = 0x00,
 264                .vgate_misc    = 0x1c,
 265
 266        },{
 267                .name          = "SECAM-DK",
 268                .id            = V4L2_STD_SECAM_DK,
 269                NORM_625_50,
 270
 271                .sync_control  = 0x18,
 272                .luma_control  = 0x1b,
 273                .chroma_ctrl1  = 0xd1,
 274                .chroma_gain   = 0x80,
 275                .chroma_ctrl2  = 0x00,
 276                .vgate_misc    = 0x1c,
 277
 278        },{
 279                .name          = "SECAM-L",
 280                .id            = V4L2_STD_SECAM_L,
 281                NORM_625_50,
 282
 283                .sync_control  = 0x18,
 284                .luma_control  = 0x1b,
 285                .chroma_ctrl1  = 0xd1,
 286                .chroma_gain   = 0x80,
 287                .chroma_ctrl2  = 0x00,
 288                .vgate_misc    = 0x1c,
 289
 290        },{
 291                .name          = "SECAM-Lc",
 292                .id            = V4L2_STD_SECAM_LC,
 293                NORM_625_50,
 294
 295                .sync_control  = 0x18,
 296                .luma_control  = 0x1b,
 297                .chroma_ctrl1  = 0xd1,
 298                .chroma_gain   = 0x80,
 299                .chroma_ctrl2  = 0x00,
 300                .vgate_misc    = 0x1c,
 301
 302        },{
 303                .name          = "PAL-M",
 304                .id            = V4L2_STD_PAL_M,
 305                NORM_525_60,
 306
 307                .sync_control  = 0x59,
 308                .luma_control  = 0x40,
 309                .chroma_ctrl1  = 0xb9,
 310                .chroma_gain   = 0x2a,
 311                .chroma_ctrl2  = 0x0e,
 312                .vgate_misc    = 0x18,
 313
 314        },{
 315                .name          = "PAL-Nc",
 316                .id            = V4L2_STD_PAL_Nc,
 317                NORM_625_50,
 318
 319                .sync_control  = 0x18,
 320                .luma_control  = 0x40,
 321                .chroma_ctrl1  = 0xa1,
 322                .chroma_gain   = 0x2a,
 323                .chroma_ctrl2  = 0x06,
 324                .vgate_misc    = 0x1c,
 325
 326        },{
 327                .name          = "PAL-60",
 328                .id            = V4L2_STD_PAL_60,
 329
 330                .h_start       = 0,
 331                .h_stop        = 719,
 332                .video_v_start = 23,
 333                .video_v_stop  = 262,
 334                .vbi_v_start_0 = 10,
 335                .vbi_v_stop_0  = 21,
 336                .vbi_v_start_1 = 273,
 337                .src_timing    = 7,
 338
 339                .sync_control  = 0x18,
 340                .luma_control  = 0x40,
 341                .chroma_ctrl1  = 0x81,
 342                .chroma_gain   = 0x2a,
 343                .chroma_ctrl2  = 0x06,
 344                .vgate_misc    = 0x1c,
 345        }
 346};
 347#define TVNORMS ARRAY_SIZE(tvnorms)
 348
 349static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 350{
 351        unsigned int i;
 352
 353        for (i = 0; i < FORMATS; i++)
 354                if (formats[i].fourcc == fourcc)
 355                        return formats+i;
 356        return NULL;
 357}
 358
 359/* ------------------------------------------------------------------ */
 360
 361static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 362{
 363        video_dbg("set tv norm = %s\n", norm->name);
 364        dev->tvnorm = norm;
 365
 366        /* setup cropping */
 367        dev->crop_bounds.left    = norm->h_start;
 368        dev->crop_defrect.left   = norm->h_start;
 369        dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 370        dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 371
 372        dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 373        dev->crop_defrect.top    = norm->video_v_start*2;
 374        dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 375                - dev->crop_bounds.top;
 376        dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 377
 378        dev->crop_current = dev->crop_defrect;
 379
 380        saa7134_set_tvnorm_hw(dev);
 381}
 382
 383static void video_mux(struct saa7134_dev *dev, int input)
 384{
 385        video_dbg("video input = %d [%s]\n",
 386                  input, saa7134_input_name[card_in(dev, input).type]);
 387        dev->ctl_input = input;
 388        set_tvnorm(dev, dev->tvnorm);
 389        saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 390}
 391
 392
 393static void saa7134_set_decoder(struct saa7134_dev *dev)
 394{
 395        int luma_control, sync_control, chroma_ctrl1, mux;
 396
 397        struct saa7134_tvnorm *norm = dev->tvnorm;
 398        mux = card_in(dev, dev->ctl_input).vmux;
 399
 400        luma_control = norm->luma_control;
 401        sync_control = norm->sync_control;
 402        chroma_ctrl1 = norm->chroma_ctrl1;
 403
 404        if (mux > 5)
 405                luma_control |= 0x80; /* svideo */
 406        if (noninterlaced || dev->nosignal)
 407                sync_control |= 0x20;
 408
 409        /* switch on auto standard detection */
 410        sync_control |= SAA7134_SYNC_CTRL_AUFD;
 411        chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
 412        chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
 413        luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
 414
 415        /* setup video decoder */
 416        saa_writeb(SAA7134_INCR_DELAY,            0x08);
 417        saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 418        saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 419
 420        saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 421        saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 422        saa_writeb(SAA7134_HSYNC_START,           0xeb);
 423        saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 424        saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 425
 426        saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 427        saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 428        saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 429
 430        saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 431                dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 432
 433        saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 434                dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 435
 436        saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 437        saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
 438        saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 439
 440        saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 441        saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 442
 443        saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 444        saa_writeb(SAA7134_VGATE_START,           0x11);
 445        saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 446        saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 447        saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 448        saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 449}
 450
 451void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 452{
 453        saa7134_set_decoder(dev);
 454
 455        saa_call_all(dev, video, s_std, dev->tvnorm->id);
 456        /* Set the correct norm for the saa6752hs. This function
 457           does nothing if there is no saa6752hs. */
 458        saa_call_empress(dev, video, s_std, dev->tvnorm->id);
 459}
 460
 461static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 462{
 463        static const struct {
 464                int xpsc;
 465                int xacl;
 466                int xc2_1;
 467                int xdcg;
 468                int vpfy;
 469        } vals[] = {
 470                /* XPSC XACL XC2_1 XDCG VPFY */
 471                {    1,   0,    0,    0,   0 },
 472                {    2,   2,    1,    2,   2 },
 473                {    3,   4,    1,    3,   2 },
 474                {    4,   8,    1,    4,   2 },
 475                {    5,   8,    1,    4,   2 },
 476                {    6,   8,    1,    4,   3 },
 477                {    7,   8,    1,    4,   3 },
 478                {    8,  15,    0,    4,   3 },
 479                {    9,  15,    0,    4,   3 },
 480                {   10,  16,    1,    5,   3 },
 481        };
 482        static const int count = ARRAY_SIZE(vals);
 483        int i;
 484
 485        for (i = 0; i < count; i++)
 486                if (vals[i].xpsc == prescale)
 487                        break;
 488        if (i == count)
 489                return;
 490
 491        saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 492        saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 493        saa_writeb(SAA7134_LEVEL_CTRL(task),
 494                   (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 495        saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 496                   (vals[i].vpfy << 2) | vals[i].vpfy);
 497}
 498
 499static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 500{
 501        int val,mirror;
 502
 503        saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 504        saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 505
 506        mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 507        if (yscale < 2048) {
 508                /* LPI */
 509                video_dbg("yscale LPI yscale=%d\n", yscale);
 510                saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 511                saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 512                saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 513        } else {
 514                /* ACM */
 515                val = 0x40 * 1024 / yscale;
 516                video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
 517                saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 518                saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 519                saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 520        }
 521        saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 522}
 523
 524static void set_size(struct saa7134_dev *dev, int task,
 525                     int width, int height, int interlace)
 526{
 527        int prescale,xscale,yscale,y_even,y_odd;
 528        int h_start, h_stop, v_start, v_stop;
 529        int div = interlace ? 2 : 1;
 530
 531        /* setup video scaler */
 532        h_start = dev->crop_current.left;
 533        v_start = dev->crop_current.top/2;
 534        h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 535        v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 536
 537        saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 538        saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 539        saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 540        saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 541        saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 542        saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 543        saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 544        saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 545
 546        prescale = dev->crop_current.width / width;
 547        if (0 == prescale)
 548                prescale = 1;
 549        xscale = 1024 * dev->crop_current.width / prescale / width;
 550        yscale = 512 * div * dev->crop_current.height / height;
 551        video_dbg("prescale=%d xscale=%d yscale=%d\n",
 552                  prescale, xscale, yscale);
 553        set_h_prescale(dev,task,prescale);
 554        saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 555        saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 556        set_v_scale(dev,task,yscale);
 557
 558        saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 559        saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 560        saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 561        saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 562
 563        /* deinterlace y offsets */
 564        y_odd  = dev->ctl_y_odd;
 565        y_even = dev->ctl_y_even;
 566        saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 567        saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 568        saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 569        saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 570}
 571
 572/* ------------------------------------------------------------------ */
 573
 574struct cliplist {
 575        __u16 position;
 576        __u8  enable;
 577        __u8  disable;
 578};
 579
 580static void set_cliplist(struct saa7134_dev *dev, int reg,
 581                        struct cliplist *cl, int entries, char *name)
 582{
 583        __u8 winbits = 0;
 584        int i;
 585
 586        for (i = 0; i < entries; i++) {
 587                winbits |= cl[i].enable;
 588                winbits &= ~cl[i].disable;
 589                if (i < 15 && cl[i].position == cl[i+1].position)
 590                        continue;
 591                saa_writeb(reg + 0, winbits);
 592                saa_writeb(reg + 2, cl[i].position & 0xff);
 593                saa_writeb(reg + 3, cl[i].position >> 8);
 594                video_dbg("clip: %s winbits=%02x pos=%d\n",
 595                        name,winbits,cl[i].position);
 596                reg += 8;
 597        }
 598        for (; reg < 0x400; reg += 8) {
 599                saa_writeb(reg+ 0, 0);
 600                saa_writeb(reg + 1, 0);
 601                saa_writeb(reg + 2, 0);
 602                saa_writeb(reg + 3, 0);
 603        }
 604}
 605
 606static int clip_range(int val)
 607{
 608        if (val < 0)
 609                val = 0;
 610        return val;
 611}
 612
 613/* Sort into smallest position first order */
 614static int cliplist_cmp(const void *a, const void *b)
 615{
 616        const struct cliplist *cla = a;
 617        const struct cliplist *clb = b;
 618        if (cla->position < clb->position)
 619                return -1;
 620        if (cla->position > clb->position)
 621                return 1;
 622        return 0;
 623}
 624
 625static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 626                          int nclips, int interlace)
 627{
 628        struct cliplist col[16], row[16];
 629        int cols = 0, rows = 0, i;
 630        int div = interlace ? 2 : 1;
 631
 632        memset(col, 0, sizeof(col));
 633        memset(row, 0, sizeof(row));
 634        for (i = 0; i < nclips && i < 8; i++) {
 635                col[cols].position = clip_range(clips[i].c.left);
 636                col[cols].enable   = (1 << i);
 637                cols++;
 638                col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 639                col[cols].disable  = (1 << i);
 640                cols++;
 641                row[rows].position = clip_range(clips[i].c.top / div);
 642                row[rows].enable   = (1 << i);
 643                rows++;
 644                row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 645                                                / div);
 646                row[rows].disable  = (1 << i);
 647                rows++;
 648        }
 649        sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 650        sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 651        set_cliplist(dev,0x380,col,cols,"cols");
 652        set_cliplist(dev,0x384,row,rows,"rows");
 653        return 0;
 654}
 655
 656static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
 657{
 658        enum v4l2_field field;
 659        int maxw, maxh;
 660
 661        if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
 662                return -EINVAL;
 663        if (win->w.width < 48)
 664                win->w.width = 48;
 665        if (win->w.height < 32)
 666                win->w.height = 32;
 667        if (win->clipcount > 8)
 668                win->clipcount = 8;
 669
 670        win->chromakey = 0;
 671        win->global_alpha = 0;
 672        field = win->field;
 673        maxw  = dev->crop_current.width;
 674        maxh  = dev->crop_current.height;
 675
 676        if (V4L2_FIELD_ANY == field) {
 677                field = (win->w.height > maxh/2)
 678                        ? V4L2_FIELD_INTERLACED
 679                        : V4L2_FIELD_TOP;
 680        }
 681        switch (field) {
 682        case V4L2_FIELD_TOP:
 683        case V4L2_FIELD_BOTTOM:
 684                maxh = maxh / 2;
 685                break;
 686        default:
 687                field = V4L2_FIELD_INTERLACED;
 688                break;
 689        }
 690
 691        win->field = field;
 692        if (win->w.width > maxw)
 693                win->w.width = maxw;
 694        if (win->w.height > maxh)
 695                win->w.height = maxh;
 696        return 0;
 697}
 698
 699static int start_preview(struct saa7134_dev *dev)
 700{
 701        unsigned long base,control,bpl;
 702        int err;
 703
 704        err = verify_preview(dev, &dev->win, false);
 705        if (0 != err)
 706                return err;
 707
 708        dev->ovfield = dev->win.field;
 709        video_dbg("%s %dx%d+%d+%d 0x%08x field=%s\n", __func__,
 710                  dev->win.w.width, dev->win.w.height,
 711                  dev->win.w.left, dev->win.w.top,
 712                  dev->ovfmt->fourcc, v4l2_field_names[dev->ovfield]);
 713
 714        /* setup window + clipping */
 715        set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
 716                 V4L2_FIELD_HAS_BOTH(dev->ovfield));
 717        setup_clipping(dev, dev->clips, dev->nclips,
 718                       V4L2_FIELD_HAS_BOTH(dev->ovfield));
 719        if (dev->ovfmt->yuv)
 720                saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 721        else
 722                saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 723        saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 724
 725        /* dma: setup channel 1 (= Video Task B) */
 726        base  = (unsigned long)dev->ovbuf.base;
 727        base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
 728        base += dev->ovfmt->depth/8         * dev->win.w.left;
 729        bpl   = dev->ovbuf.fmt.bytesperline;
 730        control = SAA7134_RS_CONTROL_BURST_16;
 731        if (dev->ovfmt->bswap)
 732                control |= SAA7134_RS_CONTROL_BSWAP;
 733        if (dev->ovfmt->wswap)
 734                control |= SAA7134_RS_CONTROL_WSWAP;
 735        if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 736                saa_writel(SAA7134_RS_BA1(1),base);
 737                saa_writel(SAA7134_RS_BA2(1),base+bpl);
 738                saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 739                saa_writel(SAA7134_RS_CONTROL(1),control);
 740        } else {
 741                saa_writel(SAA7134_RS_BA1(1),base);
 742                saa_writel(SAA7134_RS_BA2(1),base);
 743                saa_writel(SAA7134_RS_PITCH(1),bpl);
 744                saa_writel(SAA7134_RS_CONTROL(1),control);
 745        }
 746
 747        /* start dma */
 748        dev->ovenable = 1;
 749        saa7134_set_dmabits(dev);
 750
 751        return 0;
 752}
 753
 754static int stop_preview(struct saa7134_dev *dev)
 755{
 756        dev->ovenable = 0;
 757        saa7134_set_dmabits(dev);
 758        return 0;
 759}
 760
 761/*
 762 * Media Controller helper functions
 763 */
 764
 765static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
 766{
 767#ifdef CONFIG_MEDIA_CONTROLLER
 768        struct media_device *mdev = dev->media_dev;
 769        struct media_entity *source;
 770        struct media_link *link, *found_link = NULL;
 771        int ret, active_links = 0;
 772
 773        if (!mdev || !dev->decoder)
 774                return 0;
 775
 776        /*
 777         * This will find the tuner that is connected into the decoder.
 778         * Technically, this is not 100% correct, as the device may be
 779         * using an analog input instead of the tuner. However, as we can't
 780         * do DVB streaming while the DMA engine is being used for V4L2,
 781         * this should be enough for the actual needs.
 782         */
 783        list_for_each_entry(link, &dev->decoder->links, list) {
 784                if (link->sink->entity == dev->decoder) {
 785                        found_link = link;
 786                        if (link->flags & MEDIA_LNK_FL_ENABLED)
 787                                active_links++;
 788                        break;
 789                }
 790        }
 791
 792        if (active_links == 1 || !found_link)
 793                return 0;
 794
 795        source = found_link->source->entity;
 796        list_for_each_entry(link, &source->links, list) {
 797                struct media_entity *sink;
 798                int flags = 0;
 799
 800                sink = link->sink->entity;
 801
 802                if (sink == dev->decoder)
 803                        flags = MEDIA_LNK_FL_ENABLED;
 804
 805                ret = media_entity_setup_link(link, flags);
 806                if (ret) {
 807                        pr_err("Couldn't change link %s->%s to %s. Error %d\n",
 808                               source->name, sink->name,
 809                               flags ? "enabled" : "disabled",
 810                               ret);
 811                        return ret;
 812                }
 813        }
 814#endif
 815        return 0;
 816}
 817
 818/* ------------------------------------------------------------------ */
 819
 820static int buffer_activate(struct saa7134_dev *dev,
 821                           struct saa7134_buf *buf,
 822                           struct saa7134_buf *next)
 823{
 824        struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
 825        unsigned long base,control,bpl;
 826        unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 827
 828        video_dbg("buffer_activate buf=%p\n", buf);
 829        buf->top_seen = 0;
 830
 831        set_size(dev, TASK_A, dev->width, dev->height,
 832                 V4L2_FIELD_HAS_BOTH(dev->field));
 833        if (dev->fmt->yuv)
 834                saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 835        else
 836                saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 837        saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
 838
 839        /* DMA: setup channel 0 (= Video Task A0) */
 840        base  = saa7134_buffer_base(buf);
 841        if (dev->fmt->planar)
 842                bpl = dev->width;
 843        else
 844                bpl = (dev->width * dev->fmt->depth) / 8;
 845        control = SAA7134_RS_CONTROL_BURST_16 |
 846                SAA7134_RS_CONTROL_ME |
 847                (dmaq->pt.dma >> 12);
 848        if (dev->fmt->bswap)
 849                control |= SAA7134_RS_CONTROL_BSWAP;
 850        if (dev->fmt->wswap)
 851                control |= SAA7134_RS_CONTROL_WSWAP;
 852        if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 853                /* interlaced */
 854                saa_writel(SAA7134_RS_BA1(0),base);
 855                saa_writel(SAA7134_RS_BA2(0),base+bpl);
 856                saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 857        } else {
 858                /* non-interlaced */
 859                saa_writel(SAA7134_RS_BA1(0),base);
 860                saa_writel(SAA7134_RS_BA2(0),base);
 861                saa_writel(SAA7134_RS_PITCH(0),bpl);
 862        }
 863        saa_writel(SAA7134_RS_CONTROL(0),control);
 864
 865        if (dev->fmt->planar) {
 866                /* DMA: setup channel 4+5 (= planar task A) */
 867                bpl_uv   = bpl >> dev->fmt->hshift;
 868                lines_uv = dev->height >> dev->fmt->vshift;
 869                base2    = base + bpl * dev->height;
 870                base3    = base2 + bpl_uv * lines_uv;
 871                if (dev->fmt->uvswap)
 872                        tmp = base2, base2 = base3, base3 = tmp;
 873                video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 874                        bpl_uv,lines_uv,base2,base3);
 875                if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 876                        /* interlaced */
 877                        saa_writel(SAA7134_RS_BA1(4),base2);
 878                        saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 879                        saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 880                        saa_writel(SAA7134_RS_BA1(5),base3);
 881                        saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 882                        saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 883                } else {
 884                        /* non-interlaced */
 885                        saa_writel(SAA7134_RS_BA1(4),base2);
 886                        saa_writel(SAA7134_RS_BA2(4),base2);
 887                        saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 888                        saa_writel(SAA7134_RS_BA1(5),base3);
 889                        saa_writel(SAA7134_RS_BA2(5),base3);
 890                        saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 891                }
 892                saa_writel(SAA7134_RS_CONTROL(4),control);
 893                saa_writel(SAA7134_RS_CONTROL(5),control);
 894        }
 895
 896        /* start DMA */
 897        saa7134_set_dmabits(dev);
 898        mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
 899        return 0;
 900}
 901
 902static int buffer_init(struct vb2_buffer *vb2)
 903{
 904        struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 905        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
 906        struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 907
 908        dmaq->curr = NULL;
 909        buf->activate = buffer_activate;
 910        return 0;
 911}
 912
 913static int buffer_prepare(struct vb2_buffer *vb2)
 914{
 915        struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 916        struct saa7134_dev *dev = dmaq->dev;
 917        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
 918        struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 919        struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
 920        unsigned int size;
 921
 922        if (dma->sgl->offset) {
 923                pr_err("The buffer is not page-aligned\n");
 924                return -EINVAL;
 925        }
 926        size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 927        if (vb2_plane_size(vb2, 0) < size)
 928                return -EINVAL;
 929
 930        vb2_set_plane_payload(vb2, 0, size);
 931        vbuf->field = dev->field;
 932
 933        return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
 934                                    saa7134_buffer_startpage(buf));
 935}
 936
 937static int queue_setup(struct vb2_queue *q,
 938                           unsigned int *nbuffers, unsigned int *nplanes,
 939                           unsigned int sizes[], struct device *alloc_devs[])
 940{
 941        struct saa7134_dmaqueue *dmaq = q->drv_priv;
 942        struct saa7134_dev *dev = dmaq->dev;
 943        int size = dev->fmt->depth * dev->width * dev->height >> 3;
 944
 945        if (dev->width    < 48 ||
 946            dev->height   < 32 ||
 947            dev->width/4  > dev->crop_current.width  ||
 948            dev->height/4 > dev->crop_current.height ||
 949            dev->width    > dev->crop_bounds.width  ||
 950            dev->height   > dev->crop_bounds.height)
 951                return -EINVAL;
 952
 953        *nbuffers = saa7134_buffer_count(size, *nbuffers);
 954        *nplanes = 1;
 955        sizes[0] = size;
 956
 957        saa7134_enable_analog_tuner(dev);
 958
 959        return 0;
 960}
 961
 962/*
 963 * move buffer to hardware queue
 964 */
 965void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
 966{
 967        struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
 968        struct saa7134_dev *dev = dmaq->dev;
 969        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 970        struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 971
 972        saa7134_buffer_queue(dev, dmaq, buf);
 973}
 974EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
 975
 976int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
 977{
 978        struct saa7134_dmaqueue *dmaq = vq->drv_priv;
 979        struct saa7134_dev *dev = dmaq->dev;
 980
 981        /*
 982         * Planar video capture and TS share the same DMA channel,
 983         * so only one can be active at a time.
 984         */
 985        if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
 986            dmaq == &dev->video_q && dev->fmt->planar) {
 987                struct saa7134_buf *buf, *tmp;
 988
 989                list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
 990                        list_del(&buf->entry);
 991                        vb2_buffer_done(&buf->vb2.vb2_buf,
 992                                        VB2_BUF_STATE_QUEUED);
 993                }
 994                if (dmaq->curr) {
 995                        vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
 996                                        VB2_BUF_STATE_QUEUED);
 997                        dmaq->curr = NULL;
 998                }
 999                return -EBUSY;
1000        }
1001
1002        /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
1003         * configured conservatively, there's 22 usec of buffering for video.
1004         * We therefore request a DMA latency of 20 usec, giving us 2 usec of
1005         * margin in case the FIFO is configured differently to the datasheet.
1006         * Unfortunately, I lack register-level documentation to check the
1007         * Linux FIFO setup and confirm the perfect value.
1008         */
1009        if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1010            (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1011                pm_qos_add_request(&dev->qos_request,
1012                        PM_QOS_CPU_DMA_LATENCY, 20);
1013        dmaq->seq_nr = 0;
1014
1015        return 0;
1016}
1017
1018void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
1019{
1020        struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1021        struct saa7134_dev *dev = dmaq->dev;
1022
1023        saa7134_stop_streaming(dev, dmaq);
1024
1025        if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1026            (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1027                pm_qos_remove_request(&dev->qos_request);
1028}
1029
1030static const struct vb2_ops vb2_qops = {
1031        .queue_setup    = queue_setup,
1032        .buf_init       = buffer_init,
1033        .buf_prepare    = buffer_prepare,
1034        .buf_queue      = saa7134_vb2_buffer_queue,
1035        .wait_prepare   = vb2_ops_wait_prepare,
1036        .wait_finish    = vb2_ops_wait_finish,
1037        .start_streaming = saa7134_vb2_start_streaming,
1038        .stop_streaming = saa7134_vb2_stop_streaming,
1039};
1040
1041/* ------------------------------------------------------------------ */
1042
1043static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1044{
1045        struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1046        unsigned long flags;
1047        int restart_overlay = 0;
1048
1049        switch (ctrl->id) {
1050        case V4L2_CID_BRIGHTNESS:
1051                dev->ctl_bright = ctrl->val;
1052                saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1053                break;
1054        case V4L2_CID_HUE:
1055                dev->ctl_hue = ctrl->val;
1056                saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1057                break;
1058        case V4L2_CID_CONTRAST:
1059                dev->ctl_contrast = ctrl->val;
1060                saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1061                           dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1062                break;
1063        case V4L2_CID_SATURATION:
1064                dev->ctl_saturation = ctrl->val;
1065                saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1066                           dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1067                break;
1068        case V4L2_CID_AUDIO_MUTE:
1069                dev->ctl_mute = ctrl->val;
1070                saa7134_tvaudio_setmute(dev);
1071                break;
1072        case V4L2_CID_AUDIO_VOLUME:
1073                dev->ctl_volume = ctrl->val;
1074                saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1075                break;
1076        case V4L2_CID_PRIVATE_INVERT:
1077                dev->ctl_invert = ctrl->val;
1078                saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1079                           dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1080                saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1081                           dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1082                break;
1083        case V4L2_CID_HFLIP:
1084                dev->ctl_mirror = ctrl->val;
1085                restart_overlay = 1;
1086                break;
1087        case V4L2_CID_PRIVATE_Y_EVEN:
1088                dev->ctl_y_even = ctrl->val;
1089                restart_overlay = 1;
1090                break;
1091        case V4L2_CID_PRIVATE_Y_ODD:
1092                dev->ctl_y_odd = ctrl->val;
1093                restart_overlay = 1;
1094                break;
1095        case V4L2_CID_PRIVATE_AUTOMUTE:
1096        {
1097                struct v4l2_priv_tun_config tda9887_cfg;
1098
1099                tda9887_cfg.tuner = TUNER_TDA9887;
1100                tda9887_cfg.priv = &dev->tda9887_conf;
1101
1102                dev->ctl_automute = ctrl->val;
1103                if (dev->tda9887_conf) {
1104                        if (dev->ctl_automute)
1105                                dev->tda9887_conf |= TDA9887_AUTOMUTE;
1106                        else
1107                                dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1108
1109                        saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1110                }
1111                break;
1112        }
1113        default:
1114                return -EINVAL;
1115        }
1116        if (restart_overlay && dev->overlay_owner) {
1117                spin_lock_irqsave(&dev->slock, flags);
1118                stop_preview(dev);
1119                start_preview(dev);
1120                spin_unlock_irqrestore(&dev->slock, flags);
1121        }
1122        return 0;
1123}
1124
1125/* ------------------------------------------------------------------ */
1126
1127static int video_open(struct file *file)
1128{
1129        struct video_device *vdev = video_devdata(file);
1130        struct saa7134_dev *dev = video_drvdata(file);
1131        int ret = v4l2_fh_open(file);
1132
1133        if (ret < 0)
1134                return ret;
1135
1136        mutex_lock(&dev->lock);
1137        if (vdev->vfl_type == VFL_TYPE_RADIO) {
1138                /* switch to radio mode */
1139                saa7134_tvaudio_setinput(dev, &card(dev).radio);
1140                saa_call_all(dev, tuner, s_radio);
1141        } else {
1142                /* switch to video/vbi mode */
1143                video_mux(dev, dev->ctl_input);
1144        }
1145        mutex_unlock(&dev->lock);
1146
1147        return 0;
1148}
1149
1150static int video_release(struct file *file)
1151{
1152        struct video_device *vdev = video_devdata(file);
1153        struct saa7134_dev *dev = video_drvdata(file);
1154        struct v4l2_fh *fh = file->private_data;
1155        struct saa6588_command cmd;
1156        unsigned long flags;
1157
1158        mutex_lock(&dev->lock);
1159        saa7134_tvaudio_close(dev);
1160
1161        /* turn off overlay */
1162        if (fh == dev->overlay_owner) {
1163                spin_lock_irqsave(&dev->slock,flags);
1164                stop_preview(dev);
1165                spin_unlock_irqrestore(&dev->slock,flags);
1166                dev->overlay_owner = NULL;
1167        }
1168
1169        if (vdev->vfl_type == VFL_TYPE_RADIO)
1170                v4l2_fh_release(file);
1171        else
1172                _vb2_fop_release(file, NULL);
1173
1174        /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1175        saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1176        saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1177        saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1178        saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1179
1180        saa_call_all(dev, tuner, standby);
1181        if (vdev->vfl_type == VFL_TYPE_RADIO)
1182                saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1183        mutex_unlock(&dev->lock);
1184
1185        return 0;
1186}
1187
1188static ssize_t radio_read(struct file *file, char __user *data,
1189                         size_t count, loff_t *ppos)
1190{
1191        struct saa7134_dev *dev = video_drvdata(file);
1192        struct saa6588_command cmd;
1193
1194        cmd.block_count = count/3;
1195        cmd.nonblocking = file->f_flags & O_NONBLOCK;
1196        cmd.buffer = data;
1197        cmd.instance = file;
1198        cmd.result = -ENODEV;
1199
1200        mutex_lock(&dev->lock);
1201        saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1202        mutex_unlock(&dev->lock);
1203
1204        return cmd.result;
1205}
1206
1207static __poll_t radio_poll(struct file *file, poll_table *wait)
1208{
1209        struct saa7134_dev *dev = video_drvdata(file);
1210        struct saa6588_command cmd;
1211        __poll_t rc = v4l2_ctrl_poll(file, wait);
1212
1213        cmd.instance = file;
1214        cmd.event_list = wait;
1215        cmd.poll_mask = 0;
1216        mutex_lock(&dev->lock);
1217        saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1218        mutex_unlock(&dev->lock);
1219
1220        return rc | cmd.poll_mask;
1221}
1222
1223/* ------------------------------------------------------------------ */
1224
1225static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1226                                                struct v4l2_format *f)
1227{
1228        struct saa7134_dev *dev = video_drvdata(file);
1229        struct saa7134_tvnorm *norm = dev->tvnorm;
1230
1231        memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1232        f->fmt.vbi.sampling_rate = 6750000 * 4;
1233        f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1234        f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1235        f->fmt.vbi.offset = 64 * 4;
1236        f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1237        f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1238        f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1239        f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1240        f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1241
1242        return 0;
1243}
1244
1245static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1246                                struct v4l2_format *f)
1247{
1248        struct saa7134_dev *dev = video_drvdata(file);
1249
1250        f->fmt.pix.width        = dev->width;
1251        f->fmt.pix.height       = dev->height;
1252        f->fmt.pix.field        = dev->field;
1253        f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1254        if (dev->fmt->planar)
1255                f->fmt.pix.bytesperline = f->fmt.pix.width;
1256        else
1257                f->fmt.pix.bytesperline =
1258                        (f->fmt.pix.width * dev->fmt->depth) / 8;
1259        f->fmt.pix.sizeimage =
1260                (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1261        f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1262        return 0;
1263}
1264
1265static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1266                                struct v4l2_format *f)
1267{
1268        struct saa7134_dev *dev = video_drvdata(file);
1269        struct v4l2_clip __user *clips = f->fmt.win.clips;
1270        u32 clipcount = f->fmt.win.clipcount;
1271        int err = 0;
1272        int i;
1273
1274        if (saa7134_no_overlay > 0) {
1275                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1276                return -EINVAL;
1277        }
1278        f->fmt.win = dev->win;
1279        f->fmt.win.clips = clips;
1280        if (clips == NULL)
1281                clipcount = 0;
1282        if (dev->nclips < clipcount)
1283                clipcount = dev->nclips;
1284        f->fmt.win.clipcount = clipcount;
1285
1286        for (i = 0; !err && i < clipcount; i++) {
1287                if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1288                                        sizeof(struct v4l2_rect)))
1289                        err = -EFAULT;
1290        }
1291
1292        return err;
1293}
1294
1295static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1296                                                struct v4l2_format *f)
1297{
1298        struct saa7134_dev *dev = video_drvdata(file);
1299        struct saa7134_format *fmt;
1300        enum v4l2_field field;
1301        unsigned int maxw, maxh;
1302
1303        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1304        if (NULL == fmt)
1305                return -EINVAL;
1306
1307        field = f->fmt.pix.field;
1308        maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1309        maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1310
1311        if (V4L2_FIELD_ANY == field) {
1312                field = (f->fmt.pix.height > maxh/2)
1313                        ? V4L2_FIELD_INTERLACED
1314                        : V4L2_FIELD_BOTTOM;
1315        }
1316        switch (field) {
1317        case V4L2_FIELD_TOP:
1318        case V4L2_FIELD_BOTTOM:
1319                maxh = maxh / 2;
1320                break;
1321        default:
1322                field = V4L2_FIELD_INTERLACED;
1323                break;
1324        }
1325
1326        f->fmt.pix.field = field;
1327        if (f->fmt.pix.width  < 48)
1328                f->fmt.pix.width  = 48;
1329        if (f->fmt.pix.height < 32)
1330                f->fmt.pix.height = 32;
1331        if (f->fmt.pix.width > maxw)
1332                f->fmt.pix.width = maxw;
1333        if (f->fmt.pix.height > maxh)
1334                f->fmt.pix.height = maxh;
1335        f->fmt.pix.width &= ~0x03;
1336        if (fmt->planar)
1337                f->fmt.pix.bytesperline = f->fmt.pix.width;
1338        else
1339                f->fmt.pix.bytesperline =
1340                        (f->fmt.pix.width * fmt->depth) / 8;
1341        f->fmt.pix.sizeimage =
1342                (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1343        f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1344
1345        return 0;
1346}
1347
1348static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1349                                                struct v4l2_format *f)
1350{
1351        struct saa7134_dev *dev = video_drvdata(file);
1352
1353        if (saa7134_no_overlay > 0) {
1354                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1355                return -EINVAL;
1356        }
1357
1358        if (f->fmt.win.clips == NULL)
1359                f->fmt.win.clipcount = 0;
1360        return verify_preview(dev, &f->fmt.win, true);
1361}
1362
1363static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1364                                        struct v4l2_format *f)
1365{
1366        struct saa7134_dev *dev = video_drvdata(file);
1367        int err;
1368
1369        err = saa7134_try_fmt_vid_cap(file, priv, f);
1370        if (0 != err)
1371                return err;
1372
1373        dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1374        dev->width = f->fmt.pix.width;
1375        dev->height = f->fmt.pix.height;
1376        dev->field = f->fmt.pix.field;
1377        return 0;
1378}
1379
1380static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1381                                        struct v4l2_format *f)
1382{
1383        struct saa7134_dev *dev = video_drvdata(file);
1384        int err;
1385        unsigned long flags;
1386
1387        if (saa7134_no_overlay > 0) {
1388                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1389                return -EINVAL;
1390        }
1391        if (f->fmt.win.clips == NULL)
1392                f->fmt.win.clipcount = 0;
1393        err = verify_preview(dev, &f->fmt.win, true);
1394        if (0 != err)
1395                return err;
1396
1397        dev->win    = f->fmt.win;
1398        dev->nclips = f->fmt.win.clipcount;
1399
1400        if (copy_from_user(dev->clips, f->fmt.win.clips,
1401                           sizeof(struct v4l2_clip) * dev->nclips))
1402                return -EFAULT;
1403
1404        if (priv == dev->overlay_owner) {
1405                spin_lock_irqsave(&dev->slock, flags);
1406                stop_preview(dev);
1407                start_preview(dev);
1408                spin_unlock_irqrestore(&dev->slock, flags);
1409        }
1410
1411        return 0;
1412}
1413
1414int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1415{
1416        struct saa7134_dev *dev = video_drvdata(file);
1417        unsigned int n;
1418
1419        n = i->index;
1420        if (n >= SAA7134_INPUT_MAX)
1421                return -EINVAL;
1422        if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1423                return -EINVAL;
1424        i->index = n;
1425        strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1426                sizeof(i->name));
1427        switch (card_in(dev, n).type) {
1428        case SAA7134_INPUT_TV:
1429        case SAA7134_INPUT_TV_MONO:
1430                i->type = V4L2_INPUT_TYPE_TUNER;
1431                break;
1432        default:
1433                i->type  = V4L2_INPUT_TYPE_CAMERA;
1434                break;
1435        }
1436        if (n == dev->ctl_input) {
1437                int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1438                int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1439
1440                if (0 != (v1 & 0x40))
1441                        i->status |= V4L2_IN_ST_NO_H_LOCK;
1442                if (0 != (v2 & 0x40))
1443                        i->status |= V4L2_IN_ST_NO_SIGNAL;
1444                if (0 != (v2 & 0x0e))
1445                        i->status |= V4L2_IN_ST_MACROVISION;
1446        }
1447        i->std = SAA7134_NORMS;
1448        return 0;
1449}
1450EXPORT_SYMBOL_GPL(saa7134_enum_input);
1451
1452int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1453{
1454        struct saa7134_dev *dev = video_drvdata(file);
1455
1456        *i = dev->ctl_input;
1457        return 0;
1458}
1459EXPORT_SYMBOL_GPL(saa7134_g_input);
1460
1461int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1462{
1463        struct saa7134_dev *dev = video_drvdata(file);
1464
1465        if (i >= SAA7134_INPUT_MAX)
1466                return -EINVAL;
1467        if (card_in(dev, i).type == SAA7134_NO_INPUT)
1468                return -EINVAL;
1469        video_mux(dev, i);
1470        return 0;
1471}
1472EXPORT_SYMBOL_GPL(saa7134_s_input);
1473
1474int saa7134_querycap(struct file *file, void *priv,
1475                                        struct v4l2_capability *cap)
1476{
1477        struct saa7134_dev *dev = video_drvdata(file);
1478
1479        strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1480        strscpy(cap->card, saa7134_boards[dev->board].name,
1481                sizeof(cap->card));
1482        sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1483        cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1484                            V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
1485                            V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1486        if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1487                cap->capabilities |= V4L2_CAP_TUNER;
1488        if (dev->has_rds)
1489                cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1490        if (saa7134_no_overlay <= 0)
1491                cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1492
1493        return 0;
1494}
1495EXPORT_SYMBOL_GPL(saa7134_querycap);
1496
1497int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1498{
1499        struct saa7134_dev *dev = video_drvdata(file);
1500        struct v4l2_fh *fh = priv;
1501        unsigned long flags;
1502        unsigned int i;
1503        v4l2_std_id fixup;
1504
1505        if (is_empress(file) && dev->overlay_owner) {
1506                /* Don't change the std from the mpeg device
1507                   if overlay is active. */
1508                return -EBUSY;
1509        }
1510
1511        for (i = 0; i < TVNORMS; i++)
1512                if (id == tvnorms[i].id)
1513                        break;
1514
1515        if (i == TVNORMS)
1516                for (i = 0; i < TVNORMS; i++)
1517                        if (id & tvnorms[i].id)
1518                                break;
1519        if (i == TVNORMS)
1520                return -EINVAL;
1521
1522        if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1523                if (secam[0] == 'L' || secam[0] == 'l') {
1524                        if (secam[1] == 'C' || secam[1] == 'c')
1525                                fixup = V4L2_STD_SECAM_LC;
1526                        else
1527                                fixup = V4L2_STD_SECAM_L;
1528                } else {
1529                        if (secam[0] == 'D' || secam[0] == 'd')
1530                                fixup = V4L2_STD_SECAM_DK;
1531                        else
1532                                fixup = V4L2_STD_SECAM;
1533                }
1534                for (i = 0; i < TVNORMS; i++) {
1535                        if (fixup == tvnorms[i].id)
1536                                break;
1537                }
1538                if (i == TVNORMS)
1539                        return -EINVAL;
1540        }
1541
1542        id = tvnorms[i].id;
1543
1544        if (!is_empress(file) && fh == dev->overlay_owner) {
1545                spin_lock_irqsave(&dev->slock, flags);
1546                stop_preview(dev);
1547                spin_unlock_irqrestore(&dev->slock, flags);
1548
1549                set_tvnorm(dev, &tvnorms[i]);
1550
1551                spin_lock_irqsave(&dev->slock, flags);
1552                start_preview(dev);
1553                spin_unlock_irqrestore(&dev->slock, flags);
1554        } else
1555                set_tvnorm(dev, &tvnorms[i]);
1556
1557        saa7134_tvaudio_do_scan(dev);
1558        return 0;
1559}
1560EXPORT_SYMBOL_GPL(saa7134_s_std);
1561
1562int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1563{
1564        struct saa7134_dev *dev = video_drvdata(file);
1565
1566        *id = dev->tvnorm->id;
1567        return 0;
1568}
1569EXPORT_SYMBOL_GPL(saa7134_g_std);
1570
1571static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1572{
1573        static v4l2_std_id stds[] = {
1574                V4L2_STD_UNKNOWN,
1575                V4L2_STD_NTSC,
1576                V4L2_STD_PAL,
1577                V4L2_STD_SECAM };
1578
1579        v4l2_std_id result = 0;
1580
1581        u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1582        u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1583
1584        if (!(st2 & 0x1)) /* RDCAP == 0 */
1585                result = V4L2_STD_UNKNOWN;
1586        else
1587                result = stds[st1 & 0x03];
1588
1589        return result;
1590}
1591
1592int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1593{
1594        struct saa7134_dev *dev = video_drvdata(file);
1595        *std &= saa7134_read_std(dev);
1596        return 0;
1597}
1598EXPORT_SYMBOL_GPL(saa7134_querystd);
1599
1600static int saa7134_g_pixelaspect(struct file *file, void *priv,
1601                                 int type, struct v4l2_fract *f)
1602{
1603        struct saa7134_dev *dev = video_drvdata(file);
1604
1605        if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1606            type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1607                return -EINVAL;
1608
1609        if (dev->tvnorm->id & V4L2_STD_525_60) {
1610                f->numerator   = 11;
1611                f->denominator = 10;
1612        }
1613        if (dev->tvnorm->id & V4L2_STD_625_50) {
1614                f->numerator   = 54;
1615                f->denominator = 59;
1616        }
1617        return 0;
1618}
1619
1620static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1621{
1622        struct saa7134_dev *dev = video_drvdata(file);
1623
1624        if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1625            sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1626                return -EINVAL;
1627
1628        switch (sel->target) {
1629        case V4L2_SEL_TGT_CROP:
1630                sel->r = dev->crop_current;
1631                break;
1632        case V4L2_SEL_TGT_CROP_DEFAULT:
1633                sel->r = dev->crop_defrect;
1634                break;
1635        case V4L2_SEL_TGT_CROP_BOUNDS:
1636                sel->r  = dev->crop_bounds;
1637                break;
1638        default:
1639                return -EINVAL;
1640        }
1641        return 0;
1642}
1643
1644static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1645{
1646        struct saa7134_dev *dev = video_drvdata(file);
1647        struct v4l2_rect *b = &dev->crop_bounds;
1648        struct v4l2_rect *c = &dev->crop_current;
1649
1650        if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1651            sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1652                return -EINVAL;
1653
1654        if (sel->target != V4L2_SEL_TGT_CROP)
1655                return -EINVAL;
1656
1657        if (dev->overlay_owner)
1658                return -EBUSY;
1659        if (vb2_is_streaming(&dev->video_vbq))
1660                return -EBUSY;
1661
1662        *c = sel->r;
1663        if (c->top < b->top)
1664                c->top = b->top;
1665        if (c->top > b->top + b->height)
1666                c->top = b->top + b->height;
1667        if (c->height > b->top - c->top + b->height)
1668                c->height = b->top - c->top + b->height;
1669
1670        if (c->left < b->left)
1671                c->left = b->left;
1672        if (c->left > b->left + b->width)
1673                c->left = b->left + b->width;
1674        if (c->width > b->left - c->left + b->width)
1675                c->width = b->left - c->left + b->width;
1676        sel->r = *c;
1677        return 0;
1678}
1679
1680int saa7134_g_tuner(struct file *file, void *priv,
1681                                        struct v4l2_tuner *t)
1682{
1683        struct saa7134_dev *dev = video_drvdata(file);
1684        int n;
1685
1686        if (0 != t->index)
1687                return -EINVAL;
1688        memset(t, 0, sizeof(*t));
1689        for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1690                if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1691                    card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1692                        break;
1693        }
1694        if (n == SAA7134_INPUT_MAX)
1695                return -EINVAL;
1696        if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1697                strscpy(t->name, "Television", sizeof(t->name));
1698                t->type = V4L2_TUNER_ANALOG_TV;
1699                saa_call_all(dev, tuner, g_tuner, t);
1700                t->capability = V4L2_TUNER_CAP_NORM |
1701                        V4L2_TUNER_CAP_STEREO |
1702                        V4L2_TUNER_CAP_LANG1 |
1703                        V4L2_TUNER_CAP_LANG2;
1704                t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1705                t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1706        }
1707        if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1708                t->signal = 0xffff;
1709        return 0;
1710}
1711EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1712
1713int saa7134_s_tuner(struct file *file, void *priv,
1714                                        const struct v4l2_tuner *t)
1715{
1716        struct saa7134_dev *dev = video_drvdata(file);
1717        int rx, mode;
1718
1719        if (0 != t->index)
1720                return -EINVAL;
1721
1722        mode = dev->thread.mode;
1723        if (UNSET == mode) {
1724                rx   = saa7134_tvaudio_getstereo(dev);
1725                mode = saa7134_tvaudio_rx2mode(rx);
1726        }
1727        if (mode != t->audmode)
1728                dev->thread.mode = t->audmode;
1729
1730        return 0;
1731}
1732EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1733
1734int saa7134_g_frequency(struct file *file, void *priv,
1735                                        struct v4l2_frequency *f)
1736{
1737        struct saa7134_dev *dev = video_drvdata(file);
1738
1739        if (0 != f->tuner)
1740                return -EINVAL;
1741
1742        saa_call_all(dev, tuner, g_frequency, f);
1743
1744        return 0;
1745}
1746EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1747
1748int saa7134_s_frequency(struct file *file, void *priv,
1749                                        const struct v4l2_frequency *f)
1750{
1751        struct saa7134_dev *dev = video_drvdata(file);
1752
1753        if (0 != f->tuner)
1754                return -EINVAL;
1755
1756        saa_call_all(dev, tuner, s_frequency, f);
1757
1758        saa7134_tvaudio_do_scan(dev);
1759        return 0;
1760}
1761EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1762
1763static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1764                                        struct v4l2_fmtdesc *f)
1765{
1766        if (f->index >= FORMATS)
1767                return -EINVAL;
1768
1769        f->pixelformat = formats[f->index].fourcc;
1770
1771        return 0;
1772}
1773
1774static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1775                                        struct v4l2_fmtdesc *f)
1776{
1777        if (saa7134_no_overlay > 0) {
1778                pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1779                return -EINVAL;
1780        }
1781
1782        if ((f->index >= FORMATS) || formats[f->index].planar)
1783                return -EINVAL;
1784
1785        f->pixelformat = formats[f->index].fourcc;
1786
1787        return 0;
1788}
1789
1790static int saa7134_g_fbuf(struct file *file, void *f,
1791                                struct v4l2_framebuffer *fb)
1792{
1793        struct saa7134_dev *dev = video_drvdata(file);
1794
1795        *fb = dev->ovbuf;
1796        fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1797
1798        return 0;
1799}
1800
1801static int saa7134_s_fbuf(struct file *file, void *f,
1802                                        const struct v4l2_framebuffer *fb)
1803{
1804        struct saa7134_dev *dev = video_drvdata(file);
1805        struct saa7134_format *fmt;
1806
1807        if (!capable(CAP_SYS_ADMIN) &&
1808           !capable(CAP_SYS_RAWIO))
1809                return -EPERM;
1810
1811        /* check args */
1812        fmt = format_by_fourcc(fb->fmt.pixelformat);
1813        if (NULL == fmt)
1814                return -EINVAL;
1815
1816        /* ok, accept it */
1817        dev->ovbuf = *fb;
1818        dev->ovfmt = fmt;
1819        if (0 == dev->ovbuf.fmt.bytesperline)
1820                dev->ovbuf.fmt.bytesperline =
1821                        dev->ovbuf.fmt.width*fmt->depth/8;
1822        return 0;
1823}
1824
1825static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1826{
1827        struct saa7134_dev *dev = video_drvdata(file);
1828        unsigned long flags;
1829
1830        if (on) {
1831                if (saa7134_no_overlay > 0) {
1832                        video_dbg("no_overlay\n");
1833                        return -EINVAL;
1834                }
1835
1836                if (dev->overlay_owner && priv != dev->overlay_owner)
1837                        return -EBUSY;
1838                dev->overlay_owner = priv;
1839                spin_lock_irqsave(&dev->slock, flags);
1840                start_preview(dev);
1841                spin_unlock_irqrestore(&dev->slock, flags);
1842        }
1843        if (!on) {
1844                if (priv != dev->overlay_owner)
1845                        return -EINVAL;
1846                spin_lock_irqsave(&dev->slock, flags);
1847                stop_preview(dev);
1848                spin_unlock_irqrestore(&dev->slock, flags);
1849                dev->overlay_owner = NULL;
1850        }
1851        return 0;
1852}
1853
1854#ifdef CONFIG_VIDEO_ADV_DEBUG
1855static int vidioc_g_register (struct file *file, void *priv,
1856                              struct v4l2_dbg_register *reg)
1857{
1858        struct saa7134_dev *dev = video_drvdata(file);
1859
1860        reg->val = saa_readb(reg->reg & 0xffffff);
1861        reg->size = 1;
1862        return 0;
1863}
1864
1865static int vidioc_s_register (struct file *file, void *priv,
1866                                const struct v4l2_dbg_register *reg)
1867{
1868        struct saa7134_dev *dev = video_drvdata(file);
1869
1870        saa_writeb(reg->reg & 0xffffff, reg->val);
1871        return 0;
1872}
1873#endif
1874
1875static int radio_g_tuner(struct file *file, void *priv,
1876                                        struct v4l2_tuner *t)
1877{
1878        struct saa7134_dev *dev = video_drvdata(file);
1879
1880        if (0 != t->index)
1881                return -EINVAL;
1882
1883        strscpy(t->name, "Radio", sizeof(t->name));
1884
1885        saa_call_all(dev, tuner, g_tuner, t);
1886        t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1887        if (dev->input->amux == TV) {
1888                t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1889                t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1890                                V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1891        }
1892        return 0;
1893}
1894static int radio_s_tuner(struct file *file, void *priv,
1895                                        const struct v4l2_tuner *t)
1896{
1897        struct saa7134_dev *dev = video_drvdata(file);
1898
1899        if (0 != t->index)
1900                return -EINVAL;
1901
1902        saa_call_all(dev, tuner, s_tuner, t);
1903        return 0;
1904}
1905
1906static const struct v4l2_file_operations video_fops =
1907{
1908        .owner    = THIS_MODULE,
1909        .open     = video_open,
1910        .release  = video_release,
1911        .read     = vb2_fop_read,
1912        .poll     = vb2_fop_poll,
1913        .mmap     = vb2_fop_mmap,
1914        .unlocked_ioctl   = video_ioctl2,
1915};
1916
1917static const struct v4l2_ioctl_ops video_ioctl_ops = {
1918        .vidioc_querycap                = saa7134_querycap,
1919        .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1920        .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1921        .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1922        .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1923        .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1924        .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1925        .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1926        .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1927        .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1928        .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1929        .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1930        .vidioc_g_pixelaspect           = saa7134_g_pixelaspect,
1931        .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1932        .vidioc_querybuf                = vb2_ioctl_querybuf,
1933        .vidioc_qbuf                    = vb2_ioctl_qbuf,
1934        .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1935        .vidioc_expbuf                  = vb2_ioctl_expbuf,
1936        .vidioc_s_std                   = saa7134_s_std,
1937        .vidioc_g_std                   = saa7134_g_std,
1938        .vidioc_querystd                = saa7134_querystd,
1939        .vidioc_enum_input              = saa7134_enum_input,
1940        .vidioc_g_input                 = saa7134_g_input,
1941        .vidioc_s_input                 = saa7134_s_input,
1942        .vidioc_streamon                = vb2_ioctl_streamon,
1943        .vidioc_streamoff               = vb2_ioctl_streamoff,
1944        .vidioc_g_tuner                 = saa7134_g_tuner,
1945        .vidioc_s_tuner                 = saa7134_s_tuner,
1946        .vidioc_g_selection             = saa7134_g_selection,
1947        .vidioc_s_selection             = saa7134_s_selection,
1948        .vidioc_g_fbuf                  = saa7134_g_fbuf,
1949        .vidioc_s_fbuf                  = saa7134_s_fbuf,
1950        .vidioc_overlay                 = saa7134_overlay,
1951        .vidioc_g_frequency             = saa7134_g_frequency,
1952        .vidioc_s_frequency             = saa7134_s_frequency,
1953#ifdef CONFIG_VIDEO_ADV_DEBUG
1954        .vidioc_g_register              = vidioc_g_register,
1955        .vidioc_s_register              = vidioc_s_register,
1956#endif
1957        .vidioc_log_status              = v4l2_ctrl_log_status,
1958        .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
1959        .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
1960};
1961
1962static const struct v4l2_file_operations radio_fops = {
1963        .owner    = THIS_MODULE,
1964        .open     = video_open,
1965        .read     = radio_read,
1966        .release  = video_release,
1967        .unlocked_ioctl = video_ioctl2,
1968        .poll     = radio_poll,
1969};
1970
1971static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1972        .vidioc_querycap        = saa7134_querycap,
1973        .vidioc_g_tuner         = radio_g_tuner,
1974        .vidioc_s_tuner         = radio_s_tuner,
1975        .vidioc_g_frequency     = saa7134_g_frequency,
1976        .vidioc_s_frequency     = saa7134_s_frequency,
1977        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1978        .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1979};
1980
1981/* ----------------------------------------------------------- */
1982/* exported stuff                                              */
1983
1984struct video_device saa7134_video_template = {
1985        .name                           = "saa7134-video",
1986        .fops                           = &video_fops,
1987        .ioctl_ops                      = &video_ioctl_ops,
1988        .tvnorms                        = SAA7134_NORMS,
1989};
1990
1991struct video_device saa7134_radio_template = {
1992        .name                   = "saa7134-radio",
1993        .fops                   = &radio_fops,
1994        .ioctl_ops              = &radio_ioctl_ops,
1995};
1996
1997static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1998        .s_ctrl = saa7134_s_ctrl,
1999};
2000
2001static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2002        .ops = &saa7134_ctrl_ops,
2003        .id = V4L2_CID_PRIVATE_INVERT,
2004        .name = "Invert",
2005        .type = V4L2_CTRL_TYPE_BOOLEAN,
2006        .min = 0,
2007        .max = 1,
2008        .step = 1,
2009};
2010
2011static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2012        .ops = &saa7134_ctrl_ops,
2013        .id = V4L2_CID_PRIVATE_Y_ODD,
2014        .name = "Y Offset Odd Field",
2015        .type = V4L2_CTRL_TYPE_INTEGER,
2016        .min = 0,
2017        .max = 128,
2018        .step = 1,
2019};
2020
2021static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2022        .ops = &saa7134_ctrl_ops,
2023        .id = V4L2_CID_PRIVATE_Y_EVEN,
2024        .name = "Y Offset Even Field",
2025        .type = V4L2_CTRL_TYPE_INTEGER,
2026        .min = 0,
2027        .max = 128,
2028        .step = 1,
2029};
2030
2031static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2032        .ops = &saa7134_ctrl_ops,
2033        .id = V4L2_CID_PRIVATE_AUTOMUTE,
2034        .name = "Automute",
2035        .type = V4L2_CTRL_TYPE_BOOLEAN,
2036        .min = 0,
2037        .max = 1,
2038        .step = 1,
2039        .def = 1,
2040};
2041
2042int saa7134_video_init1(struct saa7134_dev *dev)
2043{
2044        struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2045        struct vb2_queue *q;
2046        int ret;
2047
2048        /* sanitycheck insmod options */
2049        if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2050                gbuffers = 2;
2051        if (gbufsize > gbufsize_max)
2052                gbufsize = gbufsize_max;
2053        gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2054
2055        v4l2_ctrl_handler_init(hdl, 11);
2056        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2057                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2058        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2059                        V4L2_CID_CONTRAST, 0, 127, 1, 68);
2060        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2061                        V4L2_CID_SATURATION, 0, 127, 1, 64);
2062        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2063                        V4L2_CID_HUE, -128, 127, 1, 0);
2064        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2065                        V4L2_CID_HFLIP, 0, 1, 1, 0);
2066        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2067                        V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2068        v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2069                        V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2070        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2071        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2072        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2073        v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2074        if (hdl->error)
2075                return hdl->error;
2076        if (card_has_radio(dev)) {
2077                hdl = &dev->radio_ctrl_handler;
2078                v4l2_ctrl_handler_init(hdl, 2);
2079                v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2080                                v4l2_ctrl_radio_filter, false);
2081                if (hdl->error)
2082                        return hdl->error;
2083        }
2084        dev->ctl_mute       = 1;
2085
2086        if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2087                dev->tda9887_conf |= TDA9887_AUTOMUTE;
2088        dev->automute       = 0;
2089
2090        INIT_LIST_HEAD(&dev->video_q.queue);
2091        timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
2092        dev->video_q.dev              = dev;
2093        dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2094        dev->width    = 720;
2095        dev->height   = 576;
2096        dev->field = V4L2_FIELD_INTERLACED;
2097        dev->win.w.width = dev->width;
2098        dev->win.w.height = dev->height;
2099        dev->win.field = V4L2_FIELD_INTERLACED;
2100        dev->ovbuf.fmt.width = dev->width;
2101        dev->ovbuf.fmt.height = dev->height;
2102        dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2103        dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2104
2105        if (saa7134_boards[dev->board].video_out)
2106                saa7134_videoport_init(dev);
2107
2108        q = &dev->video_vbq;
2109        q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2110        /*
2111         * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2112         * engine cannot handle transfers that do not start at the beginning
2113         * of a page. A user-provided pointer can start anywhere in a page, so
2114         * USERPTR support is a no-go unless the application knows about these
2115         * limitations and has special support for this.
2116         */
2117        q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
2118        if (saa7134_userptr)
2119                q->io_modes |= VB2_USERPTR;
2120        q->drv_priv = &dev->video_q;
2121        q->ops = &vb2_qops;
2122        q->gfp_flags = GFP_DMA32;
2123        q->mem_ops = &vb2_dma_sg_memops;
2124        q->buf_struct_size = sizeof(struct saa7134_buf);
2125        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2126        q->lock = &dev->lock;
2127        q->dev = &dev->pci->dev;
2128        ret = vb2_queue_init(q);
2129        if (ret)
2130                return ret;
2131        saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2132
2133        q = &dev->vbi_vbq;
2134        q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2135        /* Don't add VB2_USERPTR, see comment above */
2136        q->io_modes = VB2_MMAP | VB2_READ;
2137        if (saa7134_userptr)
2138                q->io_modes |= VB2_USERPTR;
2139        q->drv_priv = &dev->vbi_q;
2140        q->ops = &saa7134_vbi_qops;
2141        q->gfp_flags = GFP_DMA32;
2142        q->mem_ops = &vb2_dma_sg_memops;
2143        q->buf_struct_size = sizeof(struct saa7134_buf);
2144        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2145        q->lock = &dev->lock;
2146        q->dev = &dev->pci->dev;
2147        ret = vb2_queue_init(q);
2148        if (ret)
2149                return ret;
2150        saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2151
2152        return 0;
2153}
2154
2155void saa7134_video_fini(struct saa7134_dev *dev)
2156{
2157        /* free stuff */
2158        vb2_queue_release(&dev->video_vbq);
2159        saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2160        vb2_queue_release(&dev->vbi_vbq);
2161        saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2162        v4l2_ctrl_handler_free(&dev->ctrl_handler);
2163        if (card_has_radio(dev))
2164                v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2165}
2166
2167int saa7134_videoport_init(struct saa7134_dev *dev)
2168{
2169        /* enable video output */
2170        int vo = saa7134_boards[dev->board].video_out;
2171        int video_reg;
2172        unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2173
2174        /* Configure videoport */
2175        saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2176        video_reg = video_out[vo][1];
2177        if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2178                video_reg &= ~VP_T_CODE_P_INVERTED;
2179        saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2180        saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2181        saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2182        video_reg = video_out[vo][5];
2183        if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2184                video_reg &= ~VP_CLK_CTRL2_DELAYED;
2185        if (vid_port_opts & SET_CLOCK_INVERTED)
2186                video_reg |= VP_CLK_CTRL1_INVERTED;
2187        saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2188        video_reg = video_out[vo][6];
2189        if (vid_port_opts & SET_VSYNC_OFF) {
2190                video_reg &= ~VP_VS_TYPE_MASK;
2191                video_reg |= VP_VS_TYPE_OFF;
2192        }
2193        saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2194        saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2195        saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2196
2197        /* Start videoport */
2198        saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2199
2200        return 0;
2201}
2202
2203int saa7134_video_init2(struct saa7134_dev *dev)
2204{
2205        /* init video hw */
2206        set_tvnorm(dev,&tvnorms[0]);
2207        video_mux(dev,0);
2208        v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2209        saa7134_tvaudio_setmute(dev);
2210        saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2211        return 0;
2212}
2213
2214void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2215{
2216        static const char *st[] = {
2217                "(no signal)", "NTSC", "PAL", "SECAM" };
2218        u32 st1,st2;
2219
2220        st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2221        st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2222        video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2223                (st1 & 0x40) ? "not locked" : "locked",
2224                (st2 & 0x40) ? "no"         : "yes",
2225                st[st1 & 0x03]);
2226        dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2227
2228        if (dev->nosignal) {
2229                /* no video signal -> mute audio */
2230                if (dev->ctl_automute)
2231                        dev->automute = 1;
2232                saa7134_tvaudio_setmute(dev);
2233        } else {
2234                /* wake up tvaudio audio carrier scan thread */
2235                saa7134_tvaudio_do_scan(dev);
2236        }
2237
2238        if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2239                saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2240        else
2241                saa_setb(SAA7134_SYNC_CTRL, 0x20);
2242
2243        if (dev->mops && dev->mops->signal_change)
2244                dev->mops->signal_change(dev);
2245}
2246
2247
2248void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2249{
2250        enum v4l2_field field;
2251
2252        spin_lock(&dev->slock);
2253        if (dev->video_q.curr) {
2254                field = dev->field;
2255                if (V4L2_FIELD_HAS_BOTH(field)) {
2256                        /* make sure we have seen both fields */
2257                        if ((status & 0x10) == 0x00) {
2258                                dev->video_q.curr->top_seen = 1;
2259                                goto done;
2260                        }
2261                        if (!dev->video_q.curr->top_seen)
2262                                goto done;
2263                } else if (field == V4L2_FIELD_TOP) {
2264                        if ((status & 0x10) != 0x10)
2265                                goto done;
2266                } else if (field == V4L2_FIELD_BOTTOM) {
2267                        if ((status & 0x10) != 0x00)
2268                                goto done;
2269                }
2270                saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2271        }
2272        saa7134_buffer_next(dev, &dev->video_q);
2273
2274 done:
2275        spin_unlock(&dev->slock);
2276}
2277