mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
359 lines
7.4 KiB
C
359 lines
7.4 KiB
C
/*
|
|
* (C) Copyright 2003-2004
|
|
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
|
|
*
|
|
* (C) Copyright 2005
|
|
* Stefan Roese, DENX Software Engineering, sr@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include "asm/io.h"
|
|
#include "lcd.h"
|
|
|
|
|
|
extern int video_display_bitmap (ulong, int, int);
|
|
|
|
|
|
int palette_index;
|
|
int palette_value;
|
|
int lcd_depth;
|
|
unsigned char *glob_lcd_reg;
|
|
unsigned char *glob_lcd_mem;
|
|
|
|
#if defined(CONFIG_SYS_LCD_ENDIAN)
|
|
void lcd_setup(int lcd, int config)
|
|
{
|
|
if (lcd == 0) {
|
|
/*
|
|
* Set endianess and reset lcd controller 0 (small)
|
|
*/
|
|
|
|
/* set reset to low */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD0_RST);
|
|
udelay(10); /* wait 10us */
|
|
if (config == 1) {
|
|
/* big-endian */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
|
|
} else {
|
|
/* little-endian */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD_ENDIAN);
|
|
}
|
|
udelay(10); /* wait 10us */
|
|
/* set reset to high */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD0_RST);
|
|
} else {
|
|
/*
|
|
* Set endianess and reset lcd controller 1 (big)
|
|
*/
|
|
|
|
/* set reset to low */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD1_RST);
|
|
udelay(10); /* wait 10us */
|
|
if (config == 1) {
|
|
/* big-endian */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
|
|
} else {
|
|
/* little-endian */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD_ENDIAN);
|
|
}
|
|
udelay(10); /* wait 10us */
|
|
/* set reset to high */
|
|
out_be32((void*)GPIO0_OR,
|
|
in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD1_RST);
|
|
}
|
|
|
|
/*
|
|
* CONFIG_SYS_LCD_ENDIAN may also be FPGA_RESET, so set inactive
|
|
*/
|
|
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
|
|
}
|
|
#endif /* CONFIG_SYS_LCD_ENDIAN */
|
|
|
|
|
|
int lcd_bmp(uchar *logo_bmp)
|
|
{
|
|
int i;
|
|
uchar *ptr;
|
|
ushort *ptr2;
|
|
ushort val;
|
|
unsigned char *dst = NULL;
|
|
int x, y;
|
|
int width, height, bpp, colors, line_size;
|
|
int header_size;
|
|
unsigned char *bmp;
|
|
unsigned char r, g, b;
|
|
BITMAPINFOHEADER *bm_info;
|
|
ulong len;
|
|
|
|
/*
|
|
* Check for bmp mark 'BM'
|
|
*/
|
|
if (*(ushort *)logo_bmp != 0x424d) {
|
|
/*
|
|
* Decompress bmp image
|
|
*/
|
|
len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
|
|
dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
|
|
if (dst == NULL) {
|
|
printf("Error: malloc for gunzip failed!\n");
|
|
return 1;
|
|
}
|
|
if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE,
|
|
(uchar *)logo_bmp, &len) != 0) {
|
|
free(dst);
|
|
return 1;
|
|
}
|
|
if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE) {
|
|
printf("Image could be truncated"
|
|
" (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
|
|
}
|
|
|
|
/*
|
|
* Check for bmp mark 'BM'
|
|
*/
|
|
if (*(ushort *)dst != 0x424d) {
|
|
printf("LCD: Unknown image format!\n");
|
|
free(dst);
|
|
return 1;
|
|
}
|
|
} else {
|
|
/*
|
|
* Uncompressed BMP image, just use this pointer
|
|
*/
|
|
dst = (uchar *)logo_bmp;
|
|
}
|
|
|
|
/*
|
|
* Get image info from bmp-header
|
|
*/
|
|
bm_info = (BITMAPINFOHEADER *)(dst + 14);
|
|
bpp = LOAD_SHORT(bm_info->biBitCount);
|
|
width = LOAD_LONG(bm_info->biWidth);
|
|
height = LOAD_LONG(bm_info->biHeight);
|
|
switch (bpp) {
|
|
case 1:
|
|
colors = 1;
|
|
line_size = width >> 3;
|
|
break;
|
|
case 4:
|
|
colors = 16;
|
|
line_size = width >> 1;
|
|
break;
|
|
case 8:
|
|
colors = 256;
|
|
line_size = width;
|
|
break;
|
|
case 24:
|
|
colors = 0;
|
|
line_size = width * 3;
|
|
break;
|
|
default:
|
|
printf("LCD: Unknown bpp (%d) im image!\n", bpp);
|
|
if ((dst != NULL) && (dst != (uchar *)logo_bmp))
|
|
free(dst);
|
|
return 1;
|
|
}
|
|
printf(" (%d*%d, %dbpp)\n", width, height, bpp);
|
|
|
|
/*
|
|
* Write color palette
|
|
*/
|
|
if ((colors <= 256) && (lcd_depth <= 8)) {
|
|
ptr = (unsigned char *)(dst + 14 + 40);
|
|
for (i = 0; i < colors; i++) {
|
|
b = *ptr++;
|
|
g = *ptr++;
|
|
r = *ptr++;
|
|
ptr++;
|
|
S1D_WRITE_PALETTE(glob_lcd_reg, i, r, g, b);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Write bitmap data into framebuffer
|
|
*/
|
|
ptr = glob_lcd_mem;
|
|
ptr2 = (ushort *)glob_lcd_mem;
|
|
header_size = 14 + 40 + 4*colors; /* skip bmp header */
|
|
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++) {
|
|
/*
|
|
* Generate epson 16bpp fb-format
|
|
* from 24bpp image
|
|
*/
|
|
b = *bmp++ >> 3;
|
|
g = *bmp++ >> 2;
|
|
r = *bmp++ >> 3;
|
|
val = ((r & 0x1f) << 11) |
|
|
((g & 0x3f) << 5) |
|
|
(b & 0x1f);
|
|
*ptr2++ = val;
|
|
}
|
|
} else if (bpp == 8) {
|
|
for (x = 0; x < line_size; x++) {
|
|
/* query rgb value from palette */
|
|
ptr = (unsigned char *)(dst + 14 + 40);
|
|
ptr += (*bmp++) << 2;
|
|
b = *ptr++ >> 3;
|
|
g = *ptr++ >> 2;
|
|
r = *ptr++ >> 3;
|
|
val = ((r & 0x1f) << 11) |
|
|
((g & 0x3f) << 5) |
|
|
(b & 0x1f);
|
|
*ptr2++ = val;
|
|
}
|
|
}
|
|
} else {
|
|
for (x = 0; x < line_size; x++)
|
|
*ptr++ = *bmp++;
|
|
}
|
|
}
|
|
|
|
if ((dst != NULL) && (dst != (uchar *)logo_bmp))
|
|
free(dst);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
|
|
uchar *logo_bmp, ulong len)
|
|
{
|
|
int i;
|
|
ushort s1dReg;
|
|
uchar s1dValue;
|
|
int reg_byte_swap;
|
|
|
|
/*
|
|
* Detect epson
|
|
*/
|
|
out_8(&lcd_reg[0], 0x00);
|
|
out_8(&lcd_reg[1], 0x00);
|
|
|
|
if (in_8(&lcd_reg[0]) == 0x1c) {
|
|
/*
|
|
* Big epson detected
|
|
*/
|
|
reg_byte_swap = false;
|
|
palette_index = 0x1e2;
|
|
palette_value = 0x1e4;
|
|
lcd_depth = 16;
|
|
puts("LCD: S1D13806");
|
|
} else if (in_8(&lcd_reg[1]) == 0x1c) {
|
|
/*
|
|
* Big epson detected (with register swap bug)
|
|
*/
|
|
reg_byte_swap = true;
|
|
palette_index = 0x1e3;
|
|
palette_value = 0x1e5;
|
|
lcd_depth = 16;
|
|
puts("LCD: S1D13806S");
|
|
} else if (in_8(&lcd_reg[0]) == 0x18) {
|
|
/*
|
|
* Small epson detected (704)
|
|
*/
|
|
reg_byte_swap = false;
|
|
palette_index = 0x15;
|
|
palette_value = 0x17;
|
|
lcd_depth = 8;
|
|
puts("LCD: S1D13704");
|
|
} else if (in_8(&lcd_reg[0x10000]) == 0x24) {
|
|
/*
|
|
* Small epson detected (705)
|
|
*/
|
|
reg_byte_swap = false;
|
|
palette_index = 0x15;
|
|
palette_value = 0x17;
|
|
lcd_depth = 8;
|
|
lcd_reg += 0x10000; /* add offset for 705 regs */
|
|
puts("LCD: S1D13705");
|
|
} else {
|
|
out_8(&lcd_reg[0x1a], 0x00);
|
|
udelay(1000);
|
|
if (in_8(&lcd_reg[1]) == 0x0c) {
|
|
/*
|
|
* S1D13505 detected
|
|
*/
|
|
reg_byte_swap = true;
|
|
palette_index = 0x25;
|
|
palette_value = 0x27;
|
|
lcd_depth = 16;
|
|
|
|
puts("LCD: S1D13505");
|
|
} else {
|
|
puts("LCD: No controller detected!\n");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Setup lcd controller regs
|
|
*/
|
|
for (i = 0; i < reg_count; i++) {
|
|
s1dReg = regs[i].Index;
|
|
if (reg_byte_swap) {
|
|
if ((s1dReg & 0x0001) == 0)
|
|
s1dReg |= 0x0001;
|
|
else
|
|
s1dReg &= ~0x0001;
|
|
}
|
|
s1dValue = regs[i].Value;
|
|
out_8(&lcd_reg[s1dReg], s1dValue);
|
|
}
|
|
|
|
/*
|
|
* Save reg & mem pointer for later usage (e.g. bmp command)
|
|
*/
|
|
glob_lcd_reg = lcd_reg;
|
|
glob_lcd_mem = lcd_mem;
|
|
|
|
/*
|
|
* Display bmp image
|
|
*/
|
|
return lcd_bmp(logo_bmp);
|
|
}
|
|
|
|
int do_esdbmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
ulong addr;
|
|
#ifdef CONFIG_VIDEO_SM501
|
|
char *str;
|
|
#endif
|
|
if (argc != 2)
|
|
return cmd_usage(cmdtp);
|
|
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
|
|
#ifdef CONFIG_VIDEO_SM501
|
|
str = getenv("bd_type");
|
|
if ((strcmp(str, "ppc221") == 0) || (strcmp(str, "ppc231") == 0)) {
|
|
/*
|
|
* SM501 available, use standard bmp command
|
|
*/
|
|
return video_display_bitmap(addr, 0, 0);
|
|
} else {
|
|
/*
|
|
* No SM501 available, use esd epson bmp command
|
|
*/
|
|
return lcd_bmp((uchar *)addr);
|
|
}
|
|
#else
|
|
return lcd_bmp((uchar *)addr);
|
|
#endif
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
esdbmp, 2, 1, do_esdbmp,
|
|
"display BMP image",
|
|
"<imageAddr> - display image"
|
|
);
|