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authorHannes Petermaier <oe5hpm@oevsv.at>2014-03-07 18:55:40 +0100
committerAnatolij Gustschin <agust@denx.de>2014-08-10 14:55:19 +0200
commit57d76a89b0f0afc1bb622c5c0b8d10dfd34f28b5 (patch)
treecb273223a11a42f312e4247911d4cd3131a64655 /common
parent6d1966e1236838c8c59d58459901283a0e72dddd (diff)
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Add support for 32-bit organized framebuffers
- Adds support for 32-bit organized framebuffers to the LCD-framework. Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at> Cc: agust@denx.de
Diffstat (limited to 'common')
-rw-r--r--common/lcd.c35
1 files changed, 32 insertions, 3 deletions
diff --git a/common/lcd.c b/common/lcd.c
index feb913a..2996e0d 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -100,7 +100,8 @@
#if LCD_BPP == LCD_MONOCHROME
# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
(c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
-#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
+#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || \
+ (LCD_BPP == LCD_COLOR32)
# define COLOR_MASK(c) (c)
#else
# error Unsupported LCD BPP.
@@ -177,10 +178,20 @@ static void console_scrollup(void)
CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
/* Clear the last rows */
+#if (LCD_BPP != LCD_COLOR32)
memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
COLOR_MASK(lcd_color_bg),
CONSOLE_ROW_SIZE * rows);
-
+#else
+ u32 *ppix = lcd_console_address +
+ CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows;
+ u32 i;
+ for (i = 0;
+ i < (CONSOLE_ROW_SIZE * rows) / NBYTES(panel_info.vl_bpix);
+ i++) {
+ *ppix++ = COLOR_MASK(lcd_color_bg);
+ }
+#endif
lcd_sync();
console_row -= rows;
}
@@ -308,13 +319,15 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
ushort off = x * (1 << LCD_BPP) % 8;
#endif
- dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
+ dest = (uchar *)(lcd_base + y * lcd_line_length + x * NBITS(LCD_BPP)/8);
for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
uchar *s = str;
int i;
#if LCD_BPP == LCD_COLOR16
ushort *d = (ushort *)dest;
+#elif LCD_BPP == LCD_COLOR32
+ u32 *d = (u32 *)dest;
#else
uchar *d = dest;
#endif
@@ -347,6 +360,12 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
lcd_color_fg : lcd_color_bg;
bits <<= 1;
}
+#elif LCD_BPP == LCD_COLOR32
+ for (c = 0; c < 8; ++c) {
+ *d++ = (bits & 0x80) ?
+ lcd_color_fg : lcd_color_bg;
+ bits <<= 1;
+ }
#endif
}
#if LCD_BPP == LCD_MONOCHROME
@@ -476,9 +495,19 @@ void lcd_clear(void)
test_pattern();
#else
/* set framebuffer to background color */
+#if (LCD_BPP != LCD_COLOR32)
memset((char *)lcd_base,
COLOR_MASK(lcd_getbgcolor()),
lcd_line_length * panel_info.vl_row);
+#else
+ u32 *ppix = lcd_base;
+ u32 i;
+ for (i = 0;
+ i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix);
+ i++) {
+ *ppix++ = COLOR_MASK(lcd_color_bg);
+ }
+#endif
#endif
/* Paint the logo and retrieve LCD base address */
debug("[LCD] Drawing the logo...\n");