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dm: video: support increased intensity (bold) 

Support special rendition code 0 - reset attributes.
Support special rendition code 1 - increased intensity (bold).

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2018-02-08 21:47:12 +01:00 committed by Anatolij Gustschin
parent 5c30fbb8ec
commit 9ffa4d12a8
5 changed files with 43 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/video/vidconsole-uclass.c
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@ -119,12 +119,20 @@ static void vidconsole_newline(struct udevice *dev)
static const struct vid_rgb colors[VID_COLOR_COUNT] = {
{ 0x00, 0x00, 0x00 }, /* black */
{ 0xff, 0x00, 0x00 }, /* red */
{ 0x00, 0xff, 0x00 }, /* green */
{ 0xc0, 0x00, 0x00 }, /* red */
{ 0x00, 0xc0, 0x00 }, /* green */
{ 0xc0, 0x60, 0x00 }, /* brown */
{ 0x00, 0x00, 0xc0 }, /* blue */
{ 0xc0, 0x00, 0xc0 }, /* magenta */
{ 0x00, 0xc0, 0xc0 }, /* cyan */
{ 0xc0, 0xc0, 0xc0 }, /* light gray */
{ 0x80, 0x80, 0x80 }, /* gray */
{ 0xff, 0x00, 0x00 }, /* bright red */
{ 0x00, 0xff, 0x00 }, /* bright green */
{ 0xff, 0xff, 0x00 }, /* yellow */
{ 0x00, 0x00, 0xff }, /* blue */
{ 0xff, 0x00, 0xff }, /* magenta */
{ 0x00, 0xff, 0xff }, /* cyan */
{ 0x00, 0x00, 0xff }, /* bright blue */
{ 0xff, 0x00, 0xff }, /* bright magenta */
{ 0x00, 0xff, 0xff }, /* bright cyan */
{ 0xff, 0xff, 0xff }, /* white */
};
@ -278,10 +286,22 @@ static void vidconsole_escape_char(struct udevice *dev, char ch)
s++;
switch (val) {
case 0:
/* all attributes off */
video_set_default_colors(vid_priv);
break;
case 1:
/* bold */
vid_priv->fg_col_idx |= 8;
vid_priv->colour_fg = vid_console_color(
vid_priv, vid_priv->fg_col_idx);
break;
case 30 ... 37:
/* foreground color */
vid_priv->fg_col_idx &= ~7;
vid_priv->fg_col_idx |= val - 30;
vid_priv->colour_fg = vid_console_color(
vid_priv, val - 30);
vid_priv, vid_priv->fg_col_idx);
break;
case 40 ... 47:
/* background color */

5
drivers/video/video-uclass.c
View File

@ -117,9 +117,12 @@ void video_clear(struct udevice *dev)
void video_set_default_colors(struct video_priv *priv)
{
#ifdef CONFIG_SYS_WHITE_ON_BLACK
priv->colour_fg = vid_console_color(priv, VID_WHITE);
/* White is used when switching to bold, use light gray here */
priv->fg_col_idx = VID_LIGHT_GRAY;
priv->colour_fg = vid_console_color(priv, VID_LIGHT_GRAY);
priv->colour_bg = vid_console_color(priv, VID_BLACK);
#else
priv->fg_col_idx = VID_BLACK;
priv->colour_fg = vid_console_color(priv, VID_BLACK);
priv->colour_bg = vid_console_color(priv, VID_WHITE);
#endif

2
include/video.h
View File

@ -67,6 +67,7 @@ enum video_log2_bpp {
* @flush_dcache: true to enable flushing of the data cache after
* the LCD is updated
* @cmap: Colour map for 8-bit-per-pixel displays
* @fg_col_idx: Foreground color code (bit 3 = bold, bit 0-2 = color)
*/
struct video_priv {
/* Things set up by the driver: */
@ -88,6 +89,7 @@ struct video_priv {
u32 colour_bg;
bool flush_dcache;
ushort *cmap;
u8 fg_col_idx;
};
/* Placeholder - there are no video operations at present */

12
include/video_console.h
View File

@ -15,16 +15,24 @@
#define VID_TO_POS(x) ((x) * VID_FRAC_DIV)
/*
* The 8 colors supported by the console
* The 16 colors supported by the console
*/
enum color_idx {
VID_BLACK = 0,
VID_RED,
VID_GREEN,
VID_YELLOW,
VID_BROWN,
VID_BLUE,
VID_MAGENTA,
VID_CYAN,
VID_LIGHT_GRAY,
VID_GRAY,
VID_LIGHT_RED,
VID_LIGTH_GREEN,
VID_YELLOW,
VID_LIGHT_BLUE,
VID_LIGHT_MAGENTA,
VID_LIGHT_CYAN,
VID_WHITE,
VID_COLOR_COUNT

2
test/dm/video.c
View File

@ -186,7 +186,7 @@ static int dm_test_video_ansi(struct unit_test_state *uts)
/* test colors (30-37 fg color, 40-47 bg color) */
vidconsole_put_string(con, ANSI_ESC"[30;41mfoo"); /* black on red */
vidconsole_put_string(con, ANSI_ESC"[33;44mbar"); /* yellow on blue */
ut_asserteq(267, compress_frame_buffer(dev));
ut_asserteq(265, compress_frame_buffer(dev));
return 0;
}