diff options
| author | Simon Glass <sjg@chromium.org> | 2023-06-01 19:22:45 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-07-14 19:54:51 +0300 |
| commit | 648a4991d0713af656a2fa50ec8e708c2beb044e (patch) | |
| tree | 123ef23118df5fb6961dc211982af5b3886b03ba | |
| parent | 7ea207db2afc1ef70d8dc88fd2914b3ffcfbb1c7 (diff) | |
| download | u-boot-648a4991d0713af656a2fa50ec8e708c2beb044e.tar.xz | |
video: Allow temporary colour changes
It is sometimes necessary to highlight some text in a different colour.
Add an easy way to do this and then restore the original console colours.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/video/vidconsole-uclass.c | 20 | ||||
| -rw-r--r-- | include/video_console.h | 30 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c index a21fde0e1d..3f89537c47 100644 --- a/drivers/video/vidconsole-uclass.c +++ b/drivers/video/vidconsole-uclass.c @@ -596,6 +596,26 @@ int vidconsole_select_font(struct udevice *dev, const char *name, uint size) return ops->select_font(dev, name, size); } +void vidconsole_push_colour(struct udevice *dev, enum colour_idx fg, + enum colour_idx bg, struct vidconsole_colour *old) +{ + struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); + + old->colour_fg = vid_priv->colour_fg; + old->colour_bg = vid_priv->colour_bg; + + vid_priv->colour_fg = video_index_to_colour(vid_priv, fg); + vid_priv->colour_bg = video_index_to_colour(vid_priv, bg); +} + +void vidconsole_pop_colour(struct udevice *dev, struct vidconsole_colour *old) +{ + struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); + + vid_priv->colour_fg = old->colour_fg; + vid_priv->colour_bg = old->colour_bg; +} + /* Set up the number of rows and colours (rotated drivers override this) */ static int vidconsole_pre_probe(struct udevice *dev) { diff --git a/include/video_console.h b/include/video_console.h index 3db9a7e1fb..81d4c4d874 100644 --- a/include/video_console.h +++ b/include/video_console.h @@ -72,6 +72,17 @@ struct vidfont_info { }; /** + * struct vidconsole_colour - Holds colour information + * + * @colour_fg: Foreground colour (pixel value) + * @colour_bg: Background colour (pixel value) + */ +struct vidconsole_colour { + u32 colour_fg; + u32 colour_bg; +}; + +/** * struct vidconsole_ops - Video console operations * * These operations work on either an absolute console position (measured @@ -205,6 +216,25 @@ int vidconsole_get_font(struct udevice *dev, int seq, int vidconsole_select_font(struct udevice *dev, const char *name, uint size); /** + * vidconsole_push_colour() - Temporarily change the font colour + * + * @dev: Device to adjust + * @fg: Foreground colour to select + * @bg: Background colour to select + * @old: Place to store the current colour, so it can be restored + */ +void vidconsole_push_colour(struct udevice *dev, enum colour_idx fg, + enum colour_idx bg, struct vidconsole_colour *old); + +/** + * vidconsole_pop_colour() - Restore the original colour + * + * @dev: Device to adjust + * @old: Old colour to be restored + */ +void vidconsole_pop_colour(struct udevice *dev, struct vidconsole_colour *old); + +/** * vidconsole_putc_xy() - write a single character to a position * * @dev: Device to write to |