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ppc4xx: More cleanup for esd's LCD code 

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
This commit is contained in:
Matthias Fuchs 2008-01-02 12:05:14 +01:00 committed by Stefan Roese
parent fe9c26b330
commit 9ac6b6f3d3
1 changed files with 18 additions and 20 deletions
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38
board/esd/common/lcd.c
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@ -37,41 +37,41 @@ int lcd_depth;
unsigned char *glob_lcd_reg;
unsigned char *glob_lcd_mem;
#ifdef CFG_LCD_ENDIAN
#if defined(CFG_LCD_ENDIAN)
void lcd_setup(int lcd, int config)
{
if (lcd == 0) {
/*
* Set endianess and reset lcd controller 0 (small)
*/
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_LCD0_RST); /* set reset to low */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CFG_LCD0_RST); /* set reset to low */
udelay(10); /* wait 10us */
if (config == 1)
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_LCD_ENDIAN); /* big-endian */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_LCD_ENDIAN); /* big-endian */
else
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_LCD_ENDIAN); /* little-endian */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CFG_LCD_ENDIAN); /* little-endian */
udelay(10); /* wait 10us */
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_LCD0_RST); /* set reset to high */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_LCD0_RST); /* set reset to high */
} else {
/*
* Set endianess and reset lcd controller 1 (big)
*/
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_LCD1_RST); /* set reset to low */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CFG_LCD1_RST); /* set reset to low */
udelay(10); /* wait 10us */
if (config == 1)
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_LCD_ENDIAN); /* big-endian */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_LCD_ENDIAN); /* big-endian */
else
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_LCD_ENDIAN); /* little-endian */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CFG_LCD_ENDIAN); /* little-endian */
udelay(10); /* wait 10us */
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_LCD1_RST); /* set reset to high */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_LCD1_RST); /* set reset to high */
}
/*
* CFG_LCD_ENDIAN may also be FPGA_RESET, so set inactive
*/
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_LCD_ENDIAN); /* set reset high again */
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_LCD_ENDIAN); /* set reset high again */
}
#endif /* #ifdef CFG_LCD_ENDIAN */
#endif /* CFG_LCD_ENDIAN */
void lcd_bmp(uchar *logo_bmp)
@ -93,7 +93,6 @@ void lcd_bmp(uchar *logo_bmp)
* Check for bmp mark 'BM'
*/
if (*(ushort *)logo_bmp != 0x424d) {
/*
* Decompress bmp image
*/
@ -160,7 +159,7 @@ void lcd_bmp(uchar *logo_bmp)
*/
if ((colors <= 256) && (lcd_depth <= 8)) {
ptr = (unsigned char *)(dst + 14 + 40);
for (i=0; i<colors; i++) {
for (i = 0; i < colors; i++) {
b = *ptr++;
g = *ptr++;
r = *ptr++;
@ -175,11 +174,11 @@ void lcd_bmp(uchar *logo_bmp)
ptr = glob_lcd_mem;
ptr2 = (ushort *)glob_lcd_mem;
header_size = 14 + 40 + 4*colors; /* skip bmp header */
for (y=0; y<height; y++) {
for (y = 0; y < height; y++) {
bmp = &dst[(height-1-y)*line_size + header_size];
if (lcd_depth == 16) {
if (bpp == 24) {
for (x=0; x<width; x++) {
for (x = 0; x < width; x++) {
/*
* Generate epson 16bpp fb-format from 24bpp image
*/
@ -190,7 +189,7 @@ void lcd_bmp(uchar *logo_bmp)
*ptr2++ = val;
}
} else if (bpp == 8) {
for (x=0; x<line_size; x++) {
for (x = 0; x < line_size; x++) {
/* query rgb value from palette */
ptr = (unsigned char *)(dst + 14 + 40) ;
ptr += (*bmp++) << 2;
@ -202,9 +201,8 @@ void lcd_bmp(uchar *logo_bmp)
}
}
} else {
for (x=0; x<line_size; x++) {
for (x = 0; x < line_size; x++)
*ptr++ = *bmp++;
}
}
}
@ -254,7 +252,7 @@ void lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
palette_value = 0x17;
lcd_depth = 8;
puts("LCD: S1D13704");
} else if (in_8(&lcd_reg[0x10000]) == 0x24) {
} else if (in_8(&lcd_reg[0x10000]) == 0x24) {
/*
* Small epson detected (705)
*/
@ -296,7 +294,7 @@ void lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
lcd_bmp(logo_bmp);
}
#ifdef CONFIG_VIDEO_SM501
#if defined(CONFIG_VIDEO_SM501)
int do_esdbmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;