From 57d76a89b0f0afc1bb622c5c0b8d10dfd34f28b5 Mon Sep 17 00:00:00 2001
From: Hannes Petermaier <oe5hpm@oevsv.at>
Date: Fri, 7 Mar 2014 18:55:40 +0100
Subject: [PATCH] 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
---
common/lcd.c | 35 ++++++++++++++++++++++++++++++++---
include/lcd.h | 17 ++++++++++++++++-
2 files changed, 48 insertions(+), 4 deletions(-)
diff --git a/common/lcd.c b/common/lcd.c
index feb913a7201..2996e0deb46 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");
diff --git a/include/lcd.h b/include/lcd.h
index cc2ee3f9564..88684ca3917 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -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
/*
--
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