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usr
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src
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linux-headers-5.15.0-190
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include
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media
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tpg
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/usr/src/linux-headers-5.15.0-190/include/media/tpg
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v4l2-tpg.h
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/usr/src/linux-headers-5.15.0-190/include/media/tpg/v4l2-tpg.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * v4l2-tpg.h - Test Pattern Generator * * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. */ #ifndef _V4L2_TPG_H_ #define _V4L2_TPG_H_ #include <linux/types.h> #include <linux/errno.h> #include <linux/random.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/videodev2.h> struct tpg_rbg_color8 { unsigned char r, g, b; }; struct tpg_rbg_color16 { __u16 r, g, b; }; enum tpg_color { TPG_COLOR_CSC_WHITE, TPG_COLOR_CSC_YELLOW, TPG_COLOR_CSC_CYAN, TPG_COLOR_CSC_GREEN, TPG_COLOR_CSC_MAGENTA, TPG_COLOR_CSC_RED, TPG_COLOR_CSC_BLUE, TPG_COLOR_CSC_BLACK, TPG_COLOR_75_YELLOW, TPG_COLOR_75_CYAN, TPG_COLOR_75_GREEN, TPG_COLOR_75_MAGENTA, TPG_COLOR_75_RED, TPG_COLOR_75_BLUE, TPG_COLOR_100_WHITE, TPG_COLOR_100_YELLOW, TPG_COLOR_100_CYAN, TPG_COLOR_100_GREEN, TPG_COLOR_100_MAGENTA, TPG_COLOR_100_RED, TPG_COLOR_100_BLUE, TPG_COLOR_100_BLACK, TPG_COLOR_TEXTFG, TPG_COLOR_TEXTBG, TPG_COLOR_RANDOM, TPG_COLOR_RAMP, TPG_COLOR_MAX = TPG_COLOR_RAMP + 256 }; extern const struct tpg_rbg_color8 tpg_colors[TPG_COLOR_MAX]; extern const unsigned short tpg_rec709_to_linear[255 * 16 + 1]; extern const unsigned short tpg_linear_to_rec709[255 * 16 + 1]; extern const struct tpg_rbg_color16 tpg_csc_colors[V4L2_COLORSPACE_DCI_P3 + 1] [V4L2_XFER_FUNC_SMPTE2084 + 1] [TPG_COLOR_CSC_BLACK + 1]; enum tpg_pattern { TPG_PAT_75_COLORBAR, TPG_PAT_100_COLORBAR, TPG_PAT_CSC_COLORBAR, TPG_PAT_100_HCOLORBAR, TPG_PAT_100_COLORSQUARES, TPG_PAT_BLACK, TPG_PAT_WHITE, TPG_PAT_RED, TPG_PAT_GREEN, TPG_PAT_BLUE, TPG_PAT_CHECKERS_16X16, TPG_PAT_CHECKERS_2X2, TPG_PAT_CHECKERS_1X1, TPG_PAT_COLOR_CHECKERS_2X2, TPG_PAT_COLOR_CHECKERS_1X1, TPG_PAT_ALTERNATING_HLINES, TPG_PAT_ALTERNATING_VLINES, TPG_PAT_CROSS_1_PIXEL, TPG_PAT_CROSS_2_PIXELS, TPG_PAT_CROSS_10_PIXELS, TPG_PAT_GRAY_RAMP, /* Must be the last pattern */ TPG_PAT_NOISE, }; extern const char * const tpg_pattern_strings[]; enum tpg_quality { TPG_QUAL_COLOR, TPG_QUAL_GRAY, TPG_QUAL_NOISE }; enum tpg_video_aspect { TPG_VIDEO_ASPECT_IMAGE, TPG_VIDEO_ASPECT_4X3, TPG_VIDEO_ASPECT_14X9_CENTRE, TPG_VIDEO_ASPECT_16X9_CENTRE, TPG_VIDEO_ASPECT_16X9_ANAMORPHIC, }; enum tpg_pixel_aspect { TPG_PIXEL_ASPECT_SQUARE, TPG_PIXEL_ASPECT_NTSC, TPG_PIXEL_ASPECT_PAL, }; enum tpg_move_mode { TPG_MOVE_NEG_FAST, TPG_MOVE_NEG, TPG_MOVE_NEG_SLOW, TPG_MOVE_NONE, TPG_MOVE_POS_SLOW, TPG_MOVE_POS, TPG_MOVE_POS_FAST, }; enum tgp_color_enc { TGP_COLOR_ENC_RGB, TGP_COLOR_ENC_YCBCR, TGP_COLOR_ENC_HSV, TGP_COLOR_ENC_LUMA, }; extern const char * const tpg_aspect_strings[]; #define TPG_MAX_PLANES 3 #define TPG_MAX_PAT_LINES 8 struct tpg_data { /* Source frame size */ unsigned src_width, src_height; /* Buffer height */ unsigned buf_height; /* Scaled output frame size */ unsigned scaled_width; u32 field; bool field_alternate; /* crop coordinates are frame-based */ struct v4l2_rect crop; /* compose coordinates are format-based */ struct v4l2_rect compose; /* border and square coordinates are frame-based */ struct v4l2_rect border; struct v4l2_rect square; /* Color-related fields */ enum tpg_quality qual; unsigned qual_offset; u8 alpha_component; bool alpha_red_only; u8 brightness; u8 contrast; u8 saturation; s16 hue; u32 fourcc; enum tgp_color_enc color_enc; u32 colorspace; u32 xfer_func; u32 ycbcr_enc; u32 hsv_enc; /* * Stores the actual transfer function, i.e. will never be * V4L2_XFER_FUNC_DEFAULT. */ u32 real_xfer_func; /* * Stores the actual Y'CbCr encoding, i.e. will never be * V4L2_YCBCR_ENC_DEFAULT. */ u32 real_hsv_enc; u32 real_ycbcr_enc; u32 quantization; /* * Stores the actual quantization, i.e. will never be * V4L2_QUANTIZATION_DEFAULT. */ u32 real_quantization; enum tpg_video_aspect vid_aspect; enum tpg_pixel_aspect pix_aspect; unsigned rgb_range; unsigned real_rgb_range; unsigned buffers; unsigned planes; bool interleaved; u8 vdownsampling[TPG_MAX_PLANES]; u8 hdownsampling[TPG_MAX_PLANES]; /* * horizontal positions must be ANDed with this value to enforce * correct boundaries for packed YUYV values. */ unsigned hmask[TPG_MAX_PLANES]; /* Used to store the colors in native format, either RGB or YUV */ u8 colors[TPG_COLOR_MAX][3]; u8 textfg[TPG_MAX_PLANES][8], textbg[TPG_MAX_PLANES][8]; /* size in bytes for two pixels in each plane */ unsigned twopixelsize[TPG_MAX_PLANES]; unsigned bytesperline[TPG_MAX_PLANES]; /* Configuration */ enum tpg_pattern pattern; bool hflip; bool vflip; unsigned perc_fill; bool perc_fill_blank; bool show_border; bool show_square; bool insert_sav; bool insert_eav; /* Test pattern movement */ enum tpg_move_mode mv_hor_mode; int mv_hor_count; int mv_hor_step; enum tpg_move_mode mv_vert_mode; int mv_vert_count; int mv_vert_step; bool recalc_colors; bool recalc_lines; bool recalc_square_border; /* Used to store TPG_MAX_PAT_LINES lines, each with up to two planes */ unsigned max_line_width; u8 *lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES]; u8 *downsampled_lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES]; u8 *random_line[TPG_MAX_PLANES]; u8 *contrast_line[TPG_MAX_PLANES]; u8 *black_line[TPG_MAX_PLANES]; }; void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h); int tpg_alloc(struct tpg_data *tpg, unsigned max_w); void tpg_free(struct tpg_data *tpg); void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, u32 field); void tpg_log_status(struct tpg_data *tpg); void tpg_set_font(const u8 *f); void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], int y, int x, const char *text); void tpg_calc_text_basep(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf); unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line); void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf); void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf); bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc); void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop, const struct v4l2_rect *compose); const char *tpg_g_color_order(const struct tpg_data *tpg); static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern) { if (tpg->pattern == pattern) return; tpg->pattern = pattern; tpg->recalc_colors = true; } static inline void tpg_s_quality(struct tpg_data *tpg, enum tpg_quality qual, unsigned qual_offset) { if (tpg->qual == qual && tpg->qual_offset == qual_offset) return; tpg->qual = qual; tpg->qual_offset = qual_offset; tpg->recalc_colors = true; } static inline enum tpg_quality tpg_g_quality(const struct tpg_data *tpg) { return tpg->qual; } static inline void tpg_s_alpha_component(struct tpg_data *tpg, u8 alpha_component) { if (tpg->alpha_component == alpha_component) return; tpg->alpha_component = alpha_component; tpg->recalc_colors = true; } static inline void tpg_s_alpha_mode(struct tpg_data *tpg, bool red_only) { if (tpg->alpha_red_only == red_only) return; tpg->alpha_red_only = red_only; tpg->recalc_colors = true; } static inline void tpg_s_brightness(struct tpg_data *tpg, u8 brightness) { if (tpg->brightness == brightness) return; tpg->brightness = brightness; tpg->recalc_colors = true; } static inline void tpg_s_contrast(struct tpg_data *tpg, u8 contrast) { if (tpg->contrast == contrast) return; tpg->contrast = contrast; tpg->recalc_colors = true; } static inline void tpg_s_saturation(struct tpg_data *tpg, u8 saturation) { if (tpg->saturation == saturation) return; tpg->saturation = saturation; tpg->recalc_colors = true; } static inline void tpg_s_hue(struct tpg_data *tpg, s16 hue) { hue = clamp_t(s16, hue, -128, 128); if (tpg->hue == hue) return; tpg->hue = hue; tpg->recalc_colors = true; } static inline void tpg_s_rgb_range(struct tpg_data *tpg, unsigned rgb_range) { if (tpg->rgb_range == rgb_range) return; tpg->rgb_range = rgb_range; tpg->recalc_colors = true; } static inline void tpg_s_real_rgb_range(struct tpg_data *tpg, unsigned rgb_range) { if (tpg->real_rgb_range == rgb_range) return; tpg->real_rgb_range = rgb_range; tpg->recalc_colors = true; } static inline void tpg_s_colorspace(struct tpg_data *tpg, u32 colorspace) { if (tpg->colorspace == colorspace) return; tpg->colorspace = colorspace; tpg->recalc_colors = true; } static inline u32 tpg_g_colorspace(const struct tpg_data *tpg) { return tpg->colorspace; } static inline void tpg_s_ycbcr_enc(struct tpg_data *tpg, u32 ycbcr_enc) { if (tpg->ycbcr_enc == ycbcr_enc) return; tpg->ycbcr_enc = ycbcr_enc; tpg->recalc_colors = true; } static inline u32 tpg_g_ycbcr_enc(const struct tpg_data *tpg) { return tpg->ycbcr_enc; } static inline void tpg_s_hsv_enc(struct tpg_data *tpg, u32 hsv_enc) { if (tpg->hsv_enc == hsv_enc) return; tpg->hsv_enc = hsv_enc; tpg->recalc_colors = true; } static inline u32 tpg_g_hsv_enc(const struct tpg_data *tpg) { return tpg->hsv_enc; } static inline void tpg_s_xfer_func(struct tpg_data *tpg, u32 xfer_func) { if (tpg->xfer_func == xfer_func) return; tpg->xfer_func = xfer_func; tpg->recalc_colors = true; } static inline u32 tpg_g_xfer_func(const struct tpg_data *tpg) { return tpg->xfer_func; } static inline void tpg_s_quantization(struct tpg_data *tpg, u32 quantization) { if (tpg->quantization == quantization) return; tpg->quantization = quantization; tpg->recalc_colors = true; } static inline u32 tpg_g_quantization(const struct tpg_data *tpg) { return tpg->quantization; } static inline unsigned tpg_g_buffers(const struct tpg_data *tpg) { return tpg->buffers; } static inline unsigned tpg_g_planes(const struct tpg_data *tpg) { return tpg->interleaved ? 1 : tpg->planes; } static inline bool tpg_g_interleaved(const struct tpg_data *tpg) { return tpg->interleaved; } static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane) { return tpg->twopixelsize[plane]; } static inline unsigned tpg_hdiv(const struct tpg_data *tpg, unsigned plane, unsigned x) { return ((x / tpg->hdownsampling[plane]) & tpg->hmask[plane]) * tpg->twopixelsize[plane] / 2; } static inline unsigned tpg_hscale(const struct tpg_data *tpg, unsigned x) { return (x * tpg->scaled_width) / tpg->src_width; } static inline unsigned tpg_hscale_div(const struct tpg_data *tpg, unsigned plane, unsigned x) { return tpg_hdiv(tpg, plane, tpg_hscale(tpg, x)); } static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned plane) { return tpg->bytesperline[plane]; } static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl) { unsigned p; if (tpg->buffers > 1) { tpg->bytesperline[plane] = bpl; return; } for (p = 0; p < tpg_g_planes(tpg); p++) { unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0]; tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p]; } if (tpg_g_interleaved(tpg)) tpg->bytesperline[1] = tpg->bytesperline[0]; } static inline unsigned tpg_g_line_width(const struct tpg_data *tpg, unsigned plane) { unsigned w = 0; unsigned p; if (tpg->buffers > 1) return tpg_g_bytesperline(tpg, plane); for (p = 0; p < tpg_g_planes(tpg); p++) { unsigned plane_w = tpg_g_bytesperline(tpg, p); w += plane_w / tpg->vdownsampling[p]; } return w; } static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg, unsigned plane, unsigned bpl) { unsigned w = 0; unsigned p; if (tpg->buffers > 1) return bpl; for (p = 0; p < tpg_g_planes(tpg); p++) { unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0]; plane_w /= tpg->hdownsampling[p]; w += plane_w / tpg->vdownsampling[p]; } return w; } static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane) { if (plane >= tpg_g_planes(tpg)) return 0; return tpg_g_bytesperline(tpg, plane) * tpg->buf_height / tpg->vdownsampling[plane]; } static inline void tpg_s_buf_height(struct tpg_data *tpg, unsigned h) { tpg->buf_height = h; } static inline void tpg_s_field(struct tpg_data *tpg, unsigned field, bool alternate) { tpg->field = field; tpg->field_alternate = alternate; } static inline void tpg_s_perc_fill(struct tpg_data *tpg, unsigned perc_fill) { tpg->perc_fill = perc_fill; } static inline unsigned tpg_g_perc_fill(const struct tpg_data *tpg) { return tpg->perc_fill; } static inline void tpg_s_perc_fill_blank(struct tpg_data *tpg, bool perc_fill_blank) { tpg->perc_fill_blank = perc_fill_blank; } static inline void tpg_s_video_aspect(struct tpg_data *tpg, enum tpg_video_aspect vid_aspect) { if (tpg->vid_aspect == vid_aspect) return; tpg->vid_aspect = vid_aspect; tpg->recalc_square_border = true; } static inline enum tpg_video_aspect tpg_g_video_aspect(const struct tpg_data *tpg) { return tpg->vid_aspect; } static inline void tpg_s_pixel_aspect(struct tpg_data *tpg, enum tpg_pixel_aspect pix_aspect) { if (tpg->pix_aspect == pix_aspect) return; tpg->pix_aspect = pix_aspect; tpg->recalc_square_border = true; } static inline void tpg_s_show_border(struct tpg_data *tpg, bool show_border) { tpg->show_border = show_border; } static inline void tpg_s_show_square(struct tpg_data *tpg, bool show_square) { tpg->show_square = show_square; } static inline void tpg_s_insert_sav(struct tpg_data *tpg, bool insert_sav) { tpg->insert_sav = insert_sav; } static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav) { tpg->insert_eav = insert_eav; } void tpg_update_mv_step(struct tpg_data *tpg); static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg, enum tpg_move_mode mv_hor_mode) { tpg->mv_hor_mode = mv_hor_mode; tpg_update_mv_step(tpg); } static inline void tpg_s_mv_vert_mode(struct tpg_data *tpg, enum tpg_move_mode mv_vert_mode) { tpg->mv_vert_mode = mv_vert_mode; tpg_update_mv_step(tpg); } static inline void tpg_init_mv_count(struct tpg_data *tpg) { tpg->mv_hor_count = tpg->mv_vert_count = 0; } static inline void tpg_update_mv_count(struct tpg_data *tpg, bool frame_is_field) { tpg->mv_hor_count += tpg->mv_hor_step * (frame_is_field ? 1 : 2); tpg->mv_vert_count += tpg->mv_vert_step * (frame_is_field ? 1 : 2); } static inline void tpg_s_hflip(struct tpg_data *tpg, bool hflip) { if (tpg->hflip == hflip) return; tpg->hflip = hflip; tpg_update_mv_step(tpg); tpg->recalc_lines = true; } static inline bool tpg_g_hflip(const struct tpg_data *tpg) { return tpg->hflip; } static inline void tpg_s_vflip(struct tpg_data *tpg, bool vflip) { tpg->vflip = vflip; } static inline bool tpg_g_vflip(const struct tpg_data *tpg) { return tpg->vflip; } static inline bool tpg_pattern_is_static(const struct tpg_data *tpg) { return tpg->pattern != TPG_PAT_NOISE && tpg->mv_hor_mode == TPG_MOVE_NONE && tpg->mv_vert_mode == TPG_MOVE_NONE; } #endif
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