diff options
Diffstat (limited to 'include/media/tpg/v4l2-tpg.h')
| -rw-r--r-- | include/media/tpg/v4l2-tpg.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/media/tpg/v4l2-tpg.h b/include/media/tpg/v4l2-tpg.h index eb191e85d363..a55088921d1d 100644 --- a/include/media/tpg/v4l2-tpg.h +++ b/include/media/tpg/v4l2-tpg.h @@ -210,6 +210,7 @@ struct tpg_data { bool show_square; bool insert_sav; bool insert_eav; + bool insert_hdmi_video_guard_band; /* Test pattern movement */ enum tpg_move_mode mv_hor_mode; @@ -241,7 +242,7 @@ 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, char *text); + 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); @@ -252,6 +253,7 @@ void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, 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) { @@ -324,6 +326,7 @@ static inline void tpg_s_saturation(struct tpg_data *tpg, 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; @@ -589,6 +592,21 @@ static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav) tpg->insert_eav = insert_eav; } +/* + * This inserts 4 pixels of the RGB color 0xab55ab at the left hand side of the + * image. This is only done for 3 or 4 byte RGB pixel formats. This pixel value + * equals the Video Guard Band value as defined by HDMI (see section 5.2.2.1 + * in the HDMI 1.3 Specification) that preceeds the first actual pixel. If the + * HDMI receiver doesn't handle this correctly, then it might keep skipping + * these Video Guard Band patterns and end up with a shorter video line. So this + * is a nice pattern to test with. + */ +static inline void tpg_s_insert_hdmi_video_guard_band(struct tpg_data *tpg, + bool insert_hdmi_video_guard_band) +{ + tpg->insert_hdmi_video_guard_band = insert_hdmi_video_guard_band; +} + void tpg_update_mv_step(struct tpg_data *tpg); static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg, |