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
 214         /* Test pattern movement */
 215         enum tpg_move_mode              mv_hor_mode;
 216         int                             mv_hor_count;
 217         int                             mv_hor_step;
 218         enum tpg_move_mode              mv_vert_mode;
 219         int                             mv_vert_count;
 220         int                             mv_vert_step;
 221
 222         bool                            recalc_colors;
 223         bool                            recalc_lines;
 224         bool                            recalc_square_border;
 225
 226         /* Used to store TPG_MAX_PAT_LINES lines, each with up to two planes */
 227         unsigned                        max_line_width;
 228         u8                              *lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
 229         u8                              *downsampled_lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
 230         u8                              *random_line[TPG_MAX_PLANES];
 231         u8                              *contrast_line[TPG_MAX_PLANES];
 232         u8                              *black_line[TPG_MAX_PLANES];
 233 };
 234
 235 void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h);
 236 int tpg_alloc(struct tpg_data *tpg, unsigned max_w);
 237 void tpg_free(struct tpg_data *tpg);
 238 void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height,
 239                        u32 field);
 240 void tpg_log_status(struct tpg_data *tpg);
 241
 242 void tpg_set_font(const u8 *f);
 243 void tpg_gen_text(const struct tpg_data *tpg,
 244                 u8 *basep[TPG_MAX_PLANES][2], int y, int x, const char *text);
 245 void tpg_calc_text_basep(struct tpg_data *tpg,
 246                 u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
 247 unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line);
 248 void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std,
 249                            unsigned p, u8 *vbuf);
 250 void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std,
 251                     unsigned p, u8 *vbuf);
 252 bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc);
 253 void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,
 254                 const struct v4l2_rect *compose);
 255 const char *tpg_g_color_order(const struct tpg_data *tpg);
 256
 257 static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern)
 258 {
 259         if (tpg->pattern == pattern)
 260                 return;
 261         tpg->pattern = pattern;
 262         tpg->recalc_colors = true;
 263 }
 264
 265 static inline void tpg_s_quality(struct tpg_data *tpg,
 266                                     enum tpg_quality qual, unsigned qual_offset)
 267 {
 268         if (tpg->qual == qual && tpg->qual_offset == qual_offset)
 269                 return;
 270         tpg->qual = qual;
 271         tpg->qual_offset = qual_offset;
 272         tpg->recalc_colors = true;
 273 }
 274
 275 static inline enum tpg_quality tpg_g_quality(const struct tpg_data *tpg)
 276 {
 277         return tpg->qual;
 278 }
 279
 280 static inline void tpg_s_alpha_component(struct tpg_data *tpg,
 281                                             u8 alpha_component)
 282 {
 283         if (tpg->alpha_component == alpha_component)
 284                 return;
 285         tpg->alpha_component = alpha_component;
 286         tpg->recalc_colors = true;
 287 }
 288
 289 static inline void tpg_s_alpha_mode(struct tpg_data *tpg,
 290                                             bool red_only)
 291 {
 292         if (tpg->alpha_red_only == red_only)
 293                 return;
 294         tpg->alpha_red_only = red_only;
 295         tpg->recalc_colors = true;
 296 }
 297
 298 static inline void tpg_s_brightness(struct tpg_data *tpg,
 299                                         u8 brightness)
 300 {
 301         if (tpg->brightness == brightness)
 302                 return;
 303         tpg->brightness = brightness;
 304         tpg->recalc_colors = true;
 305 }
 306
 307 static inline void tpg_s_contrast(struct tpg_data *tpg,
 308                                         u8 contrast)
 309 {
 310         if (tpg->contrast == contrast)
 311                 return;
 312         tpg->contrast = contrast;
 313         tpg->recalc_colors = true;
 314 }
 315
 316 static inline void tpg_s_saturation(struct tpg_data *tpg,
 317                                         u8 saturation)
 318 {
 319         if (tpg->saturation == saturation)
 320                 return;
 321         tpg->saturation = saturation;
 322         tpg->recalc_colors = true;
 323 }
 324
 325 static inline void tpg_s_hue(struct tpg_data *tpg,
 326                                         s16 hue)
 327 {
 328         hue = clamp_t(s16, hue, -128, 128);
 329         if (tpg->hue == hue)
 330                 return;
 331         tpg->hue = hue;
 332         tpg->recalc_colors = true;
 333 }
 334
 335 static inline void tpg_s_rgb_range(struct tpg_data *tpg,
 336                                         unsigned rgb_range)
 337 {
 338         if (tpg->rgb_range == rgb_range)
 339                 return;
 340         tpg->rgb_range = rgb_range;
 341         tpg->recalc_colors = true;
 342 }
 343
 344 static inline void tpg_s_real_rgb_range(struct tpg_data *tpg,
 345                                         unsigned rgb_range)
 346 {
 347         if (tpg->real_rgb_range == rgb_range)
 348                 return;
 349         tpg->real_rgb_range = rgb_range;
 350         tpg->recalc_colors = true;
 351 }
 352
 353 static inline void tpg_s_colorspace(struct tpg_data *tpg, u32 colorspace)
 354 {
 355         if (tpg->colorspace == colorspace)
 356                 return;
 357         tpg->colorspace = colorspace;
 358         tpg->recalc_colors = true;
 359 }
 360
 361 static inline u32 tpg_g_colorspace(const struct tpg_data *tpg)
 362 {
 363         return tpg->colorspace;
 364 }
 365
 366 static inline void tpg_s_ycbcr_enc(struct tpg_data *tpg, u32 ycbcr_enc)
 367 {
 368         if (tpg->ycbcr_enc == ycbcr_enc)
 369                 return;
 370         tpg->ycbcr_enc = ycbcr_enc;
 371         tpg->recalc_colors = true;
 372 }
 373
 374 static inline u32 tpg_g_ycbcr_enc(const struct tpg_data *tpg)
 375 {
 376         return tpg->ycbcr_enc;
 377 }
 378
 379 static inline void tpg_s_hsv_enc(struct tpg_data *tpg, u32 hsv_enc)
 380 {
 381         if (tpg->hsv_enc == hsv_enc)
 382                 return;
 383         tpg->hsv_enc = hsv_enc;
 384         tpg->recalc_colors = true;
 385 }
 386
 387 static inline u32 tpg_g_hsv_enc(const struct tpg_data *tpg)
 388 {
 389         return tpg->hsv_enc;
 390 }
 391
 392 static inline void tpg_s_xfer_func(struct tpg_data *tpg, u32 xfer_func)
 393 {
 394         if (tpg->xfer_func == xfer_func)
 395                 return;
 396         tpg->xfer_func = xfer_func;
 397         tpg->recalc_colors = true;
 398 }
 399
 400 static inline u32 tpg_g_xfer_func(const struct tpg_data *tpg)
 401 {
 402         return tpg->xfer_func;
 403 }
 404
 405 static inline void tpg_s_quantization(struct tpg_data *tpg, u32 quantization)
 406 {
 407         if (tpg->quantization == quantization)
 408                 return;
 409         tpg->quantization = quantization;
 410         tpg->recalc_colors = true;
 411 }
 412
 413 static inline u32 tpg_g_quantization(const struct tpg_data *tpg)
 414 {
 415         return tpg->quantization;
 416 }
 417
 418 static inline unsigned tpg_g_buffers(const struct tpg_data *tpg)
 419 {
 420         return tpg->buffers;
 421 }
 422
 423 static inline unsigned tpg_g_planes(const struct tpg_data *tpg)
 424 {
 425         return tpg->interleaved ? 1 : tpg->planes;
 426 }
 427
 428 static inline bool tpg_g_interleaved(const struct tpg_data *tpg)
 429 {
 430         return tpg->interleaved;
 431 }
 432
 433 static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane)
 434 {
 435         return tpg->twopixelsize[plane];
 436 }
 437
 438 static inline unsigned tpg_hdiv(const struct tpg_data *tpg,
 439                                   unsigned plane, unsigned x)
 440 {
 441         return ((x / tpg->hdownsampling[plane]) & tpg->hmask[plane]) *
 442                 tpg->twopixelsize[plane] / 2;
 443 }
 444
 445 static inline unsigned tpg_hscale(const struct tpg_data *tpg, unsigned x)
 446 {
 447         return (x * tpg->scaled_width) / tpg->src_width;
 448 }
 449
 450 static inline unsigned tpg_hscale_div(const struct tpg_data *tpg,
 451                                       unsigned plane, unsigned x)
 452 {
 453         return tpg_hdiv(tpg, plane, tpg_hscale(tpg, x));
 454 }
 455
 456 static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned plane)
 457 {
 458         return tpg->bytesperline[plane];
 459 }
 460
 461 static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl)
 462 {
 463         unsigned p;
 464
 465         if (tpg->buffers > 1) {
 466                 tpg->bytesperline[plane] = bpl;
 467                 return;
 468         }
 469
 470         for (p = 0; p < tpg_g_planes(tpg); p++) {
 471                 unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
 472
 473                 tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p];
 474         }
 475         if (tpg_g_interleaved(tpg))
 476                 tpg->bytesperline[1] = tpg->bytesperline[0];
 477 }
 478
 479
 480 static inline unsigned tpg_g_line_width(const struct tpg_data *tpg, unsigned plane)
 481 {
 482         unsigned w = 0;
 483         unsigned p;
 484
 485         if (tpg->buffers > 1)
 486                 return tpg_g_bytesperline(tpg, plane);
 487         for (p = 0; p < tpg_g_planes(tpg); p++) {
 488                 unsigned plane_w = tpg_g_bytesperline(tpg, p);
 489
 490                 w += plane_w / tpg->vdownsampling[p];
 491         }
 492         return w;
 493 }
 494
 495 static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg,
 496                                            unsigned plane, unsigned bpl)
 497 {
 498         unsigned w = 0;
 499         unsigned p;
 500
 501         if (tpg->buffers > 1)
 502                 return bpl;
 503         for (p = 0; p < tpg_g_planes(tpg); p++) {
 504                 unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
 505
 506                 plane_w /= tpg->hdownsampling[p];
 507                 w += plane_w / tpg->vdownsampling[p];
 508         }
 509         return w;
 510 }
 511
 512 static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane)
 513 {
 514         if (plane >= tpg_g_planes(tpg))
 515                 return 0;
 516
 517         return tpg_g_bytesperline(tpg, plane) * tpg->buf_height /
 518                tpg->vdownsampling[plane];
 519 }
 520
 521 static inline void tpg_s_buf_height(struct tpg_data *tpg, unsigned h)
 522 {
 523         tpg->buf_height = h;
 524 }
 525
 526 static inline void tpg_s_field(struct tpg_data *tpg, unsigned field, bool alternate)
 527 {
 528         tpg->field = field;
 529         tpg->field_alternate = alternate;
 530 }
 531
 532 static inline void tpg_s_perc_fill(struct tpg_data *tpg,
 533                                       unsigned perc_fill)
 534 {
 535         tpg->perc_fill = perc_fill;
 536 }
 537
 538 static inline unsigned tpg_g_perc_fill(const struct tpg_data *tpg)
 539 {
 540         return tpg->perc_fill;
 541 }
 542
 543 static inline void tpg_s_perc_fill_blank(struct tpg_data *tpg,
 544                                          bool perc_fill_blank)
 545 {
 546         tpg->perc_fill_blank = perc_fill_blank;
 547 }
 548
 549 static inline void tpg_s_video_aspect(struct tpg_data *tpg,
 550                                         enum tpg_video_aspect vid_aspect)
 551 {
 552         if (tpg->vid_aspect == vid_aspect)
 553                 return;
 554         tpg->vid_aspect = vid_aspect;
 555         tpg->recalc_square_border = true;
 556 }
 557
 558 static inline enum tpg_video_aspect tpg_g_video_aspect(const struct tpg_data *tpg)
 559 {
 560         return tpg->vid_aspect;
 561 }
 562
 563 static inline void tpg_s_pixel_aspect(struct tpg_data *tpg,
 564                                         enum tpg_pixel_aspect pix_aspect)
 565 {
 566         if (tpg->pix_aspect == pix_aspect)
 567                 return;
 568         tpg->pix_aspect = pix_aspect;
 569         tpg->recalc_square_border = true;
 570 }
 571
 572 static inline void tpg_s_show_border(struct tpg_data *tpg,
 573                                         bool show_border)
 574 {
 575         tpg->show_border = show_border;
 576 }
 577
 578 static inline void tpg_s_show_square(struct tpg_data *tpg,
 579                                         bool show_square)
 580 {
 581         tpg->show_square = show_square;
 582 }
 583
 584 static inline void tpg_s_insert_sav(struct tpg_data *tpg, bool insert_sav)
 585 {
 586         tpg->insert_sav = insert_sav;
 587 }
 588
 589 static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav)
 590 {
 591         tpg->insert_eav = insert_eav;
 592 }
 593
 594 void tpg_update_mv_step(struct tpg_data *tpg);
 595
 596 static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg,
 597                                 enum tpg_move_mode mv_hor_mode)
 598 {
 599         tpg->mv_hor_mode = mv_hor_mode;
 600         tpg_update_mv_step(tpg);
 601 }
 602
 603 static inline void tpg_s_mv_vert_mode(struct tpg_data *tpg,
 604                                 enum tpg_move_mode mv_vert_mode)
 605 {
 606         tpg->mv_vert_mode = mv_vert_mode;
 607         tpg_update_mv_step(tpg);
 608 }
 609
 610 static inline void tpg_init_mv_count(struct tpg_data *tpg)
 611 {
 612         tpg->mv_hor_count = tpg->mv_vert_count = 0;
 613 }
 614
 615 static inline void tpg_update_mv_count(struct tpg_data *tpg, bool frame_is_field)
 616 {
 617         tpg->mv_hor_count += tpg->mv_hor_step * (frame_is_field ? 1 : 2);
 618         tpg->mv_vert_count += tpg->mv_vert_step * (frame_is_field ? 1 : 2);
 619 }
 620
 621 static inline void tpg_s_hflip(struct tpg_data *tpg, bool hflip)
 622 {
 623         if (tpg->hflip == hflip)
 624                 return;
 625         tpg->hflip = hflip;
 626         tpg_update_mv_step(tpg);
 627         tpg->recalc_lines = true;
 628 }
 629
 630 static inline bool tpg_g_hflip(const struct tpg_data *tpg)
 631 {
 632         return tpg->hflip;
 633 }
 634
 635 static inline void tpg_s_vflip(struct tpg_data *tpg, bool vflip)
 636 {
 637         tpg->vflip = vflip;
 638 }
 639
 640 static inline bool tpg_g_vflip(const struct tpg_data *tpg)
 641 {
 642         return tpg->vflip;
 643 }
 644
 645 static inline bool tpg_pattern_is_static(const struct tpg_data *tpg)
 646 {
 647         return tpg->pattern != TPG_PAT_NOISE &&
 648                tpg->mv_hor_mode == TPG_MOVE_NONE &&
 649                tpg->mv_vert_mode == TPG_MOVE_NONE;
 650 }
 651
 652 #endif