include/media/tpg/v4l2-tpg.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * v4l2-tpg.h - Test Pattern Generator
   4  *
   5  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   6  */
   7
   8 #ifndef _V4L2_TPG_H_
   9 #define _V4L2_TPG_H_
  10
  11 #include <linux/types.h>
  12 #include <linux/errno.h>
  13 #include <linux/random.h>
  14 #include <linux/slab.h>
  15 #include <linux/vmalloc.h>
  16 #include <linux/videodev2.h>
  17
  18 struct tpg_rbg_color8 {
  19         unsigned char r, g, b;
  20 };
  21
  22 struct tpg_rbg_color16 {
  23         __u16 r, g, b;
  24 };
  25
  26 enum tpg_color {
  27         TPG_COLOR_CSC_WHITE,
  28         TPG_COLOR_CSC_YELLOW,
  29         TPG_COLOR_CSC_CYAN,
  30         TPG_COLOR_CSC_GREEN,
  31         TPG_COLOR_CSC_MAGENTA,
  32         TPG_COLOR_CSC_RED,
  33         TPG_COLOR_CSC_BLUE,
  34         TPG_COLOR_CSC_BLACK,
  35         TPG_COLOR_75_YELLOW,
  36         TPG_COLOR_75_CYAN,
  37         TPG_COLOR_75_GREEN,
  38         TPG_COLOR_75_MAGENTA,
  39         TPG_COLOR_75_RED,
  40         TPG_COLOR_75_BLUE,
  41         TPG_COLOR_100_WHITE,
  42         TPG_COLOR_100_YELLOW,
  43         TPG_COLOR_100_CYAN,
  44         TPG_COLOR_100_GREEN,
  45         TPG_COLOR_100_MAGENTA,
  46         TPG_COLOR_100_RED,
  47         TPG_COLOR_100_BLUE,
  48         TPG_COLOR_100_BLACK,
  49         TPG_COLOR_TEXTFG,
  50         TPG_COLOR_TEXTBG,
  51         TPG_COLOR_RANDOM,
  52         TPG_COLOR_RAMP,
  53         TPG_COLOR_MAX = TPG_COLOR_RAMP + 256
  54 };
  55
  56 extern const struct tpg_rbg_color8 tpg_colors[TPG_COLOR_MAX];
  57 extern const unsigned short tpg_rec709_to_linear[255 * 16 + 1];
  58 extern const unsigned short tpg_linear_to_rec709[255 * 16 + 1];
  59 extern const struct tpg_rbg_color16 tpg_csc_colors[V4L2_COLORSPACE_DCI_P3 + 1]
  60                                           [V4L2_XFER_FUNC_SMPTE2084 + 1]
  61                                           [TPG_COLOR_CSC_BLACK + 1];
  62 enum tpg_pattern {
  63         TPG_PAT_75_COLORBAR,
  64         TPG_PAT_100_COLORBAR,
  65         TPG_PAT_CSC_COLORBAR,
  66         TPG_PAT_100_HCOLORBAR,
  67         TPG_PAT_100_COLORSQUARES,
  68         TPG_PAT_BLACK,
  69         TPG_PAT_WHITE,
  70         TPG_PAT_RED,
  71         TPG_PAT_GREEN,
  72         TPG_PAT_BLUE,
  73         TPG_PAT_CHECKERS_16X16,
  74         TPG_PAT_CHECKERS_2X2,
  75         TPG_PAT_CHECKERS_1X1,
  76         TPG_PAT_COLOR_CHECKERS_2X2,
  77         TPG_PAT_COLOR_CHECKERS_1X1,
  78         TPG_PAT_ALTERNATING_HLINES,
  79         TPG_PAT_ALTERNATING_VLINES,
  80         TPG_PAT_CROSS_1_PIXEL,
  81         TPG_PAT_CROSS_2_PIXELS,
  82         TPG_PAT_CROSS_10_PIXELS,
  83         TPG_PAT_GRAY_RAMP,
  84
  85         /* Must be the last pattern */
  86         TPG_PAT_NOISE,
  87 };
  88
  89 extern const char * const tpg_pattern_strings[];
  90
  91 enum tpg_quality {
  92         TPG_QUAL_COLOR,
  93         TPG_QUAL_GRAY,
  94         TPG_QUAL_NOISE
  95 };
  96
  97 enum tpg_video_aspect {
  98         TPG_VIDEO_ASPECT_IMAGE,
  99         TPG_VIDEO_ASPECT_4X3,
 100         TPG_VIDEO_ASPECT_14X9_CENTRE,
 101         TPG_VIDEO_ASPECT_16X9_CENTRE,
 102         TPG_VIDEO_ASPECT_16X9_ANAMORPHIC,
 103 };
 104
 105 enum tpg_pixel_aspect {
 106         TPG_PIXEL_ASPECT_SQUARE,
 107         TPG_PIXEL_ASPECT_NTSC,
 108         TPG_PIXEL_ASPECT_PAL,
 109 };
 110
 111 enum tpg_move_mode {
 112         TPG_MOVE_NEG_FAST,
 113         TPG_MOVE_NEG,
 114         TPG_MOVE_NEG_SLOW,
 115         TPG_MOVE_NONE,
 116         TPG_MOVE_POS_SLOW,
 117         TPG_MOVE_POS,
 118         TPG_MOVE_POS_FAST,
 119 };
 120
 121 enum tgp_color_enc {
 122         TGP_COLOR_ENC_RGB,
 123         TGP_COLOR_ENC_YCBCR,
 124         TGP_COLOR_ENC_HSV,
 125         TGP_COLOR_ENC_LUMA,
 126 };
 127
 128 extern const char * const tpg_aspect_strings[];
 129
 130 #define TPG_MAX_PLANES 3
 131 #define TPG_MAX_PAT_LINES 8
 132
 133 struct tpg_data {
 134         /* Source frame size */
 135         unsigned                        src_width, src_height;
 136         /* Buffer height */
 137         unsigned                        buf_height;
 138         /* Scaled output frame size */
 139         unsigned                        scaled_width;
 140         u32                             field;
 141         bool                            field_alternate;
 142         /* crop coordinates are frame-based */
 143         struct v4l2_rect                crop;
 144         /* compose coordinates are format-based */
 145         struct v4l2_rect                compose;
 146         /* border and square coordinates are frame-based */
 147         struct v4l2_rect                border;
 148         struct v4l2_rect                square;
 149
 150         /* Color-related fields */
 151         enum tpg_quality                qual;
 152         unsigned                        qual_offset;
 153         u8                              alpha_component;
 154         bool                            alpha_red_only;
 155         u8                              brightness;
 156         u8                              contrast;
 157         u8                              saturation;
 158         s16                             hue;
 159         u32                             fourcc;
 160         enum tgp_color_enc              color_enc;
 161         u32                             colorspace;
 162         u32                             xfer_func;
 163         u32                             ycbcr_enc;
 164         u32                             hsv_enc;
 165         /*
 166          * Stores the actual transfer function, i.e. will never be
 167          * V4L2_XFER_FUNC_DEFAULT.
 168          */
 169         u32                             real_xfer_func;
 170         /*
 171          * Stores the actual Y'CbCr encoding, i.e. will never be
 172          * V4L2_YCBCR_ENC_DEFAULT.
 173          */
 174         u32                             real_hsv_enc;
 175         u32                             real_ycbcr_enc;
 176         u32                             quantization;
 177         /*
 178          * Stores the actual quantization, i.e. will never be
 179          * V4L2_QUANTIZATION_DEFAULT.
 180          */
 181         u32                             real_quantization;
 182         enum tpg_video_aspect           vid_aspect;
 183         enum tpg_pixel_aspect           pix_aspect;
 184         unsigned                        rgb_range;
 185         unsigned                        real_rgb_range;
 186         unsigned                        buffers;
 187         unsigned                        planes;
 188         bool                            interleaved;
 189         u8                              vdownsampling[TPG_MAX_PLANES];
 190         u8                              hdownsampling[TPG_MAX_PLANES];
 191         /*
 192          * horizontal positions must be ANDed with this value to enforce
 193          * correct boundaries for packed YUYV values.
 194          */
 195         unsigned                        hmask[TPG_MAX_PLANES];
 196         /* Used to store the colors in native format, either RGB or YUV */
 197         u8                              colors[TPG_COLOR_MAX][3];
 198         u8                              textfg[TPG_MAX_PLANES][8], textbg[TPG_MAX_PLANES][8];
 199         /* size in bytes for two pixels in each plane */
 200         unsigned                        twopixelsize[TPG_MAX_PLANES];
 201         unsigned                        bytesperline[TPG_MAX_PLANES];
 202
 203         /* Configuration */
 204         enum tpg_pattern                pattern;
 205         bool                            hflip;
 206         bool                            vflip;
 207         unsigned                        perc_fill;
 208         bool                            perc_fill_blank;
 209         bool                            show_border;
 210         bool                            show_square;
 211         bool                            insert_sav;
 212         bool                            insert_eav;
 213         bool                            insert_hdmi_video_guard_band;
 214
 215         /* Test pattern movement */
 216         enum tpg_move_mode              mv_hor_mode;
 217         int                             mv_hor_count;
 218         int                             mv_hor_step;
 219         enum tpg_move_mode              mv_vert_mode;
 220         int                             mv_vert_count;
 221         int                             mv_vert_step;
 222
 223         bool                            recalc_colors;
 224         bool                            recalc_lines;
 225         bool                            recalc_square_border;
 226
 227         /* Used to store TPG_MAX_PAT_LINES lines, each with up to two planes */
 228         unsigned                        max_line_width;
 229         u8                              *lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
 230         u8                              *downsampled_lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
 231         u8                              *random_line[TPG_MAX_PLANES];
 232         u8                              *contrast_line[TPG_MAX_PLANES];
 233         u8                              *black_line[TPG_MAX_PLANES];
 234 };
 235
 236 void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h);
 237 int tpg_alloc(struct tpg_data *tpg, unsigned max_w);
 238 void tpg_free(struct tpg_data *tpg);
 239 void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height,
 240                        u32 field);
 241 void tpg_log_status(struct tpg_data *tpg);
 242
 243 void tpg_set_font(const u8 *f);
 244 void tpg_gen_text(const struct tpg_data *tpg,
 245                 u8 *basep[TPG_MAX_PLANES][2], int y, int x, const char *text);
 246 void tpg_calc_text_basep(struct tpg_data *tpg,
 247                 u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
 248 unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line);
 249 void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std,
 250                            unsigned p, u8 *vbuf);
 251 void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std,
 252                     unsigned p, u8 *vbuf);
 253 bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc);
 254 void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,
 255                 const struct v4l2_rect *compose);
 256 const char *tpg_g_color_order(const struct tpg_data *tpg);
 257
 258 static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern)
 259 {
 260         if (tpg->pattern == pattern)
 261                 return;
 262         tpg->pattern = pattern;
 263         tpg->recalc_colors = true;
 264 }
 265
 266 static inline void tpg_s_quality(struct tpg_data *tpg,
 267                                     enum tpg_quality qual, unsigned qual_offset)
 268 {
 269         if (tpg->qual == qual && tpg->qual_offset == qual_offset)
 270                 return;
 271         tpg->qual = qual;
 272         tpg->qual_offset = qual_offset;
 273         tpg->recalc_colors = true;
 274 }
 275
 276 static inline enum tpg_quality tpg_g_quality(const struct tpg_data *tpg)
 277 {
 278         return tpg->qual;
 279 }
 280
 281 static inline void tpg_s_alpha_component(struct tpg_data *tpg,
 282                                             u8 alpha_component)
 283 {
 284         if (tpg->alpha_component == alpha_component)
 285                 return;
 286         tpg->alpha_component = alpha_component;
 287         tpg->recalc_colors = true;
 288 }
 289
 290 static inline void tpg_s_alpha_mode(struct tpg_data *tpg,
 291                                             bool red_only)
 292 {
 293         if (tpg->alpha_red_only == red_only)
 294                 return;
 295         tpg->alpha_red_only = red_only;
 296         tpg->recalc_colors = true;
 297 }
 298
 299 static inline void tpg_s_brightness(struct tpg_data *tpg,
 300                                         u8 brightness)
 301 {
 302         if (tpg->brightness == brightness)
 303                 return;
 304         tpg->brightness = brightness;
 305         tpg->recalc_colors = true;
 306 }
 307
 308 static inline void tpg_s_contrast(struct tpg_data *tpg,
 309                                         u8 contrast)
 310 {
 311         if (tpg->contrast == contrast)
 312                 return;
 313         tpg->contrast = contrast;
 314         tpg->recalc_colors = true;
 315 }
 316
 317 static inline void tpg_s_saturation(struct tpg_data *tpg,
 318                                         u8 saturation)
 319 {
 320         if (tpg->saturation == saturation)
 321                 return;
 322         tpg->saturation = saturation;
 323         tpg->recalc_colors = true;
 324 }
 325
 326 static inline void tpg_s_hue(struct tpg_data *tpg,
 327                                         s16 hue)
 328 {
 329         hue = clamp_t(s16, hue, -128, 128);
 330         if (tpg->hue == hue)
 331                 return;
 332         tpg->hue = hue;
 333         tpg->recalc_colors = true;
 334 }
 335
 336 static inline void tpg_s_rgb_range(struct tpg_data *tpg,
 337                                         unsigned rgb_range)
 338 {
 339         if (tpg->rgb_range == rgb_range)
 340                 return;
 341         tpg->rgb_range = rgb_range;
 342         tpg->recalc_colors = true;
 343 }
 344
 345 static inline void tpg_s_real_rgb_range(struct tpg_data *tpg,
 346                                         unsigned rgb_range)
 347 {
 348         if (tpg->real_rgb_range == rgb_range)
 349                 return;
 350         tpg->real_rgb_range = rgb_range;
 351         tpg->recalc_colors = true;
 352 }
 353
 354 static inline void tpg_s_colorspace(struct tpg_data *tpg, u32 colorspace)
 355 {
 356         if (tpg->colorspace == colorspace)
 357                 return;
 358         tpg->colorspace = colorspace;
 359         tpg->recalc_colors = true;
 360 }
 361
 362 static inline u32 tpg_g_colorspace(const struct tpg_data *tpg)
 363 {
 364         return tpg->colorspace;
 365 }
 366
 367 static inline void tpg_s_ycbcr_enc(struct tpg_data *tpg, u32 ycbcr_enc)
 368 {
 369         if (tpg->ycbcr_enc == ycbcr_enc)
 370                 return;
 371         tpg->ycbcr_enc = ycbcr_enc;
 372         tpg->recalc_colors = true;
 373 }
 374
 375 static inline u32 tpg_g_ycbcr_enc(const struct tpg_data *tpg)
 376 {
 377         return tpg->ycbcr_enc;
 378 }
 379
 380 static inline void tpg_s_hsv_enc(struct tpg_data *tpg, u32 hsv_enc)
 381 {
 382         if (tpg->hsv_enc == hsv_enc)
 383                 return;
 384         tpg->hsv_enc = hsv_enc;
 385         tpg->recalc_colors = true;
 386 }
 387
 388 static inline u32 tpg_g_hsv_enc(const struct tpg_data *tpg)
 389 {
 390         return tpg->hsv_enc;
 391 }
 392
 393 static inline void tpg_s_xfer_func(struct tpg_data *tpg, u32 xfer_func)
 394 {
 395         if (tpg->xfer_func == xfer_func)
 396                 return;
 397         tpg->xfer_func = xfer_func;
 398         tpg->recalc_colors = true;
 399 }
 400
 401 static inline u32 tpg_g_xfer_func(const struct tpg_data *tpg)
 402 {
 403         return tpg->xfer_func;
 404 }
 405
 406 static inline void tpg_s_quantization(struct tpg_data *tpg, u32 quantization)
 407 {
 408         if (tpg->quantization == quantization)
 409                 return;
 410         tpg->quantization = quantization;
 411         tpg->recalc_colors = true;
 412 }
 413
 414 static inline u32 tpg_g_quantization(const struct tpg_data *tpg)
 415 {
 416         return tpg->quantization;
 417 }
 418
 419 static inline unsigned tpg_g_buffers(const struct tpg_data *tpg)
 420 {
 421         return tpg->buffers;
 422 }
 423
 424 static inline unsigned tpg_g_planes(const struct tpg_data *tpg)
 425 {
 426         return tpg->interleaved ? 1 : tpg->planes;
 427 }
 428
 429 static inline bool tpg_g_interleaved(const struct tpg_data *tpg)
 430 {
 431         return tpg->interleaved;
 432 }
 433
 434 static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane)
 435 {
 436         return tpg->twopixelsize[plane];
 437 }
 438
 439 static inline unsigned tpg_hdiv(const struct tpg_data *tpg,
 440                                   unsigned plane, unsigned x)
 441 {
 442         return ((x / tpg->hdownsampling[plane]) & tpg->hmask[plane]) *
 443                 tpg->twopixelsize[plane] / 2;
 444 }
 445
 446 static inline unsigned tpg_hscale(const struct tpg_data *tpg, unsigned x)
 447 {
 448         return (x * tpg->scaled_width) / tpg->src_width;
 449 }
 450
 451 static inline unsigned tpg_hscale_div(const struct tpg_data *tpg,
 452                                       unsigned plane, unsigned x)
 453 {
 454         return tpg_hdiv(tpg, plane, tpg_hscale(tpg, x));
 455 }
 456
 457 static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned plane)
 458 {
 459         return tpg->bytesperline[plane];
 460 }
 461
 462 static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl)
 463 {
 464         unsigned p;
 465
 466         if (tpg->buffers > 1) {
 467                 tpg->bytesperline[plane] = bpl;
 468                 return;
 469         }
 470
 471         for (p = 0; p < tpg_g_planes(tpg); p++) {
 472                 unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
 473
 474                 tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p];
 475         }
 476         if (tpg_g_interleaved(tpg))
 477                 tpg->bytesperline[1] = tpg->bytesperline[0];
 478 }
 479
 480
 481 static inline unsigned tpg_g_line_width(const struct tpg_data *tpg, unsigned plane)
 482 {
 483         unsigned w = 0;
 484         unsigned p;
 485
 486         if (tpg->buffers > 1)
 487                 return tpg_g_bytesperline(tpg, plane);
 488         for (p = 0; p < tpg_g_planes(tpg); p++) {
 489                 unsigned plane_w = tpg_g_bytesperline(tpg, p);
 490
 491                 w += plane_w / tpg->vdownsampling[p];
 492         }
 493         return w;
 494 }
 495
 496 static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg,
 497                                            unsigned plane, unsigned bpl)
 498 {
 499         unsigned w = 0;
 500         unsigned p;
 501
 502         if (tpg->buffers > 1)
 503                 return bpl;
 504         for (p = 0; p < tpg_g_planes(tpg); p++) {
 505                 unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
 506
 507                 plane_w /= tpg->hdownsampling[p];
 508                 w += plane_w / tpg->vdownsampling[p];
 509         }
 510         return w;
 511 }
 512
 513 static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane)
 514 {
 515         if (plane >= tpg_g_planes(tpg))
 516                 return 0;
 517
 518         return tpg_g_bytesperline(tpg, plane) * tpg->buf_height /
 519                tpg->vdownsampling[plane];
 520 }
 521
 522 static inline void tpg_s_buf_height(struct tpg_data *tpg, unsigned h)
 523 {
 524         tpg->buf_height = h;
 525 }
 526
 527 static inline void tpg_s_field(struct tpg_data *tpg, unsigned field, bool alternate)
 528 {
 529         tpg->field = field;
 530         tpg->field_alternate = alternate;
 531 }
 532
 533 static inline void tpg_s_perc_fill(struct tpg_data *tpg,
 534                                       unsigned perc_fill)
 535 {
 536         tpg->perc_fill = perc_fill;
 537 }
 538
 539 static inline unsigned tpg_g_perc_fill(const struct tpg_data *tpg)
 540 {
 541         return tpg->perc_fill;
 542 }
 543
 544 static inline void tpg_s_perc_fill_blank(struct tpg_data *tpg,
 545                                          bool perc_fill_blank)
 546 {
 547         tpg->perc_fill_blank = perc_fill_blank;
 548 }
 549
 550 static inline void tpg_s_video_aspect(struct tpg_data *tpg,
 551                                         enum tpg_video_aspect vid_aspect)
 552 {
 553         if (tpg->vid_aspect == vid_aspect)
 554                 return;
 555         tpg->vid_aspect = vid_aspect;
 556         tpg->recalc_square_border = true;
 557 }
 558
 559 static inline enum tpg_video_aspect tpg_g_video_aspect(const struct tpg_data *tpg)
 560 {
 561         return tpg->vid_aspect;
 562 }
 563
 564 static inline void tpg_s_pixel_aspect(struct tpg_data *tpg,
 565                                         enum tpg_pixel_aspect pix_aspect)
 566 {
 567         if (tpg->pix_aspect == pix_aspect)
 568                 return;
 569         tpg->pix_aspect = pix_aspect;
 570         tpg->recalc_square_border = true;
 571 }
 572
 573 static inline void tpg_s_show_border(struct tpg_data *tpg,
 574                                         bool show_border)
 575 {
 576         tpg->show_border = show_border;
 577 }
 578
 579 static inline void tpg_s_show_square(struct tpg_data *tpg,
 580                                         bool show_square)
 581 {
 582         tpg->show_square = show_square;
 583 }
 584
 585 static inline void tpg_s_insert_sav(struct tpg_data *tpg, bool insert_sav)
 586 {
 587         tpg->insert_sav = insert_sav;
 588 }
 589
 590 static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav)
 591 {
 592         tpg->insert_eav = insert_eav;
 593 }
 594
 595 /*
 596  * This inserts 4 pixels of the RGB color 0xab55ab at the left hand side of the
 597  * image. This is only done for 3 or 4 byte RGB pixel formats. This pixel value
 598  * equals the Video Guard Band value as defined by HDMI (see section 5.2.2.1
 599  * in the HDMI 1.3 Specification) that preceeds the first actual pixel. If the
 600  * HDMI receiver doesn't handle this correctly, then it might keep skipping
 601  * these Video Guard Band patterns and end up with a shorter video line. So this
 602  * is a nice pattern to test with.
 603  */
 604 static inline void tpg_s_insert_hdmi_video_guard_band(struct tpg_data *tpg,
 605                                                       bool insert_hdmi_video_guard_band)
 606 {
 607         tpg->insert_hdmi_video_guard_band = insert_hdmi_video_guard_band;
 608 }
 609
 610 void tpg_update_mv_step(struct tpg_data *tpg);
 611
 612 static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg,
 613                                 enum tpg_move_mode mv_hor_mode)
 614 {
 615         tpg->mv_hor_mode = mv_hor_mode;
 616         tpg_update_mv_step(tpg);
 617 }
 618
 619 static inline void tpg_s_mv_vert_mode(struct tpg_data *tpg,
 620                                 enum tpg_move_mode mv_vert_mode)
 621 {
 622         tpg->mv_vert_mode = mv_vert_mode;
 623         tpg_update_mv_step(tpg);
 624 }
 625
 626 static inline void tpg_init_mv_count(struct tpg_data *tpg)
 627 {
 628         tpg->mv_hor_count = tpg->mv_vert_count = 0;
 629 }
 630
 631 static inline void tpg_update_mv_count(struct tpg_data *tpg, bool frame_is_field)
 632 {
 633         tpg->mv_hor_count += tpg->mv_hor_step * (frame_is_field ? 1 : 2);
 634         tpg->mv_vert_count += tpg->mv_vert_step * (frame_is_field ? 1 : 2);
 635 }
 636
 637 static inline void tpg_s_hflip(struct tpg_data *tpg, bool hflip)
 638 {
 639         if (tpg->hflip == hflip)
 640                 return;
 641         tpg->hflip = hflip;
 642         tpg_update_mv_step(tpg);
 643         tpg->recalc_lines = true;
 644 }
 645
 646 static inline bool tpg_g_hflip(const struct tpg_data *tpg)
 647 {
 648         return tpg->hflip;
 649 }
 650
 651 static inline void tpg_s_vflip(struct tpg_data *tpg, bool vflip)
 652 {
 653         tpg->vflip = vflip;
 654 }
 655
 656 static inline bool tpg_g_vflip(const struct tpg_data *tpg)
 657 {
 658         return tpg->vflip;
 659 }
 660
 661 static inline bool tpg_pattern_is_static(const struct tpg_data *tpg)
 662 {
 663         return tpg->pattern != TPG_PAT_NOISE &&
 664                tpg->mv_hor_mode == TPG_MOVE_NONE &&
 665                tpg->mv_vert_mode == TPG_MOVE_NONE;
 666 }
 667
 668 #endif