diff options
Diffstat (limited to 'drivers/media/platform/vivid/vivid-tpg.h')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-tpg.h | 112 |
1 files changed, 106 insertions, 6 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg.h b/drivers/media/platform/vivid/vivid-tpg.h index bd8b1c760b3f..a50cd2e2535b 100644 --- a/drivers/media/platform/vivid/vivid-tpg.h +++ b/drivers/media/platform/vivid/vivid-tpg.h @@ -41,7 +41,10 @@ enum tpg_pattern { 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, @@ -87,7 +90,7 @@ enum tpg_move_mode { extern const char * const tpg_aspect_strings[]; -#define TPG_MAX_PLANES 2 +#define TPG_MAX_PLANES 3 #define TPG_MAX_PAT_LINES 8 struct tpg_data { @@ -98,6 +101,7 @@ struct tpg_data { /* 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 */ @@ -134,7 +138,16 @@ struct tpg_data { 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]; @@ -168,6 +181,7 @@ struct tpg_data { /* 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]; @@ -180,11 +194,15 @@ void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, u32 field); void tpg_set_font(const u8 *f); -void tpg_gen_text(struct tpg_data *tpg, +void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text); void tpg_calc_text_basep(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf); -void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, 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); @@ -323,9 +341,19 @@ 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->planes; + 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) @@ -333,6 +361,24 @@ static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned p 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]; @@ -340,7 +386,60 @@ static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned p static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl) { - tpg->bytesperline[plane] = 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]; + } +} + + +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) @@ -348,9 +447,10 @@ 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) +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, |