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Add support for 32-bit organized framebuffers

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- Adds support for 32-bit organized framebuffers to the LCD-framework.

Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
Cc: agust@denx.de
This commit is contained in:
Hannes Petermaier 2014-03-07 18:55:40 +01:00 committed by Anatolij Gustschin
parent 6d1966e123
commit 57d76a89b0
2 changed files with 48 additions and 4 deletions
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35
common/lcd.c
View File

@ -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");

17
include/lcd.h
View File

@ -333,7 +333,7 @@ void lcd_sync(void);
#define LCD_COLOR4 2
#define LCD_COLOR8 3
#define LCD_COLOR16 4
#define LCD_COLOR32 5
/*----------------------------------------------------------------------*/
#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
# define LCD_INFO_X 0
@ -384,6 +384,21 @@ void lcd_sync(void);
# define CONSOLE_COLOR_GREY 14
# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
#elif LCD_BPP == LCD_COLOR32
/*
* 32bpp color definitions
*/
# define CONSOLE_COLOR_RED 0x00ff0000
# define CONSOLE_COLOR_GREEN 0x0000ff00
# define CONSOLE_COLOR_YELLOW 0x00ffff00
# define CONSOLE_COLOR_BLUE 0x000000ff
# define CONSOLE_COLOR_MAGENTA 0x00ff00ff
# define CONSOLE_COLOR_CYAN 0x0000ffff
# define CONSOLE_COLOR_GREY 0x00aaaaaa
# define CONSOLE_COLOR_BLACK 0x00000000
# define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest*/
# define NBYTES(bit_code) (NBITS(bit_code) >> 3)
#else
/*