From 5c30fbb8ec4aa364d5e441c86d7b5776d6c94fb0 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 8 Feb 2018 21:47:11 +0100 Subject: dm: video: use constants to refer to colors Use constants to refer to colors. Adjust initialization of foreground and background color to avoid setting reserved bits. Consistently u32 instead of unsigned for color bit mask. Signed-off-by: Heinrich Schuchardt Reviewed-by: Simon Glass --- include/video_console.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'include/video_console.h') diff --git a/include/video_console.h b/include/video_console.h index 9dce234..656a472 100644 --- a/include/video_console.h +++ b/include/video_console.h @@ -7,11 +7,29 @@ #ifndef __video_console_h #define __video_console_h +#include + #define VID_FRAC_DIV 256 #define VID_TO_PIXEL(x) ((x) / VID_FRAC_DIV) #define VID_TO_POS(x) ((x) * VID_FRAC_DIV) +/* + * The 8 colors supported by the console + */ +enum color_idx { + VID_BLACK = 0, + VID_RED, + VID_GREEN, + VID_YELLOW, + VID_BLUE, + VID_MAGENTA, + VID_CYAN, + VID_WHITE, + + VID_COLOR_COUNT +}; + /** * struct vidconsole_priv - uclass-private data about a console device * @@ -196,4 +214,21 @@ int vidconsole_put_char(struct udevice *dev, char ch); void vidconsole_position_cursor(struct udevice *dev, unsigned col, unsigned row); +#ifdef CONFIG_DM_VIDEO + +/** + * vid_console_color() - convert a color code to a pixel's internal + * representation + * + * The caller has to guarantee that the color index is less than + * VID_COLOR_COUNT. + * + * @priv private data of the console device + * @idx color index + * @return color value + */ +u32 vid_console_color(struct video_priv *priv, unsigned int idx); + +#endif + #endif -- cgit v1.1