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-rw-r--r--board/esd/common/lcd.c258
1 files changed, 177 insertions, 81 deletions
diff --git a/board/esd/common/lcd.c b/board/esd/common/lcd.c
index d2d642a..22b49ce 100644
--- a/board/esd/common/lcd.c
+++ b/board/esd/common/lcd.c
@@ -2,6 +2,9 @@
* (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.
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -24,9 +27,14 @@
#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;
#ifdef CFG_LCD_ENDIAN
void lcd_setup(int lcd, int config)
@@ -67,12 +75,9 @@ void lcd_setup(int lcd, int config)
#endif /* #ifdef CFG_LCD_ENDIAN */
-void lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
- uchar *logo_bmp, ulong len)
+void lcd_bmp(uchar *logo_bmp)
{
int i;
- ushort s1dReg;
- uchar s1dValue;
uchar *ptr;
ushort *ptr2;
ushort val;
@@ -83,76 +88,37 @@ void lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
unsigned char *bmp;
unsigned char r, g, b;
BITMAPINFOHEADER *bm_info;
- int reg_byte_swap;
+ ulong len;
+ int do_free = 0;
/*
- * Detect epson
+ * Check for bmp mark 'BM'
*/
- if (lcd_reg[0] == 0x1c) {
- /*
- * Big epson detected
- */
- reg_byte_swap = FALSE;
- palette_index = 0x1e2;
- palette_value = 0x1e4;
- puts("LCD: S1D13806");
- } else if (lcd_reg[1] == 0x1c) {
+ if (*(ushort *)logo_bmp != 0x424d) {
+
/*
- * Big epson detected (with register swap bug)
+ * Decompress bmp image
*/
- reg_byte_swap = TRUE;
- palette_index = 0x1e3;
- palette_value = 0x1e5;
- puts("LCD: S1D13806S");
- } else if (lcd_reg[0] == 0x18) {
+ len = CFG_VIDEO_LOGO_MAX_SIZE;
+ dst = malloc(CFG_LCD_LOGO_MAX_SIZE);
+ do_free = 1;
+ if (gunzip(dst, CFG_LCD_LOGO_MAX_SIZE, (uchar *)logo_bmp, &len) != 0) {
+ return;
+ }
+
/*
- * Small epson detected (704)
+ * Check for bmp mark 'BM'
*/
- reg_byte_swap = FALSE;
- palette_index = 0x15;
- palette_value = 0x17;
- puts("LCD: S1D13704");
- } else if (lcd_reg[0x10000] == 0x24) {
+ if (*(ushort *)dst != 0x424d) {
+ printf("LCD: Unknown image format!\n");
+ free(dst);
+ return;
+ }
+ } else {
/*
- * Small epson detected (705)
+ * Uncompressed BMP image, just use this pointer
*/
- reg_byte_swap = FALSE;
- palette_index = 0x15;
- palette_value = 0x17;
- lcd_reg += 0x10000; /* add offset for 705 regs */
- puts("LCD: S1D13705");
- } else {
- puts("LCD: No controller detected!\n");
- return;
- }
-
- 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;
- lcd_reg[s1dReg] = s1dValue;
- }
-
- /*
- * Decompress bmp image
- */
- dst = malloc(CFG_LCD_LOGO_MAX_SIZE);
- if (gunzip(dst, CFG_LCD_LOGO_MAX_SIZE, (uchar *)logo_bmp, &len) != 0) {
- return;
- }
-
- /*
- * Check for bmp mark 'BM'
- */
- if (*(ushort *)dst != 0x424d) {
- printf("LCD: Unknown image format!\n");
- free(dst);
- return;
+ dst = (uchar *)logo_bmp;
}
/*
@@ -189,35 +155,48 @@ void lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
/*
* Write color palette
*/
- if (colors <= 256) {
+ 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(lcd_reg, i, r, g, b);
+ S1D_WRITE_PALETTE(glob_lcd_reg, i, r, g, b);
}
}
/*
* Write bitmap data into framebuffer
*/
- ptr = lcd_mem;
- ptr2 = (ushort *)lcd_mem;
+ 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 (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;
+ 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++) {
@@ -226,5 +205,122 @@ void lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
}
}
- free(dst);
+ if (do_free) {
+ free(dst);
+ }
+}
+
+
+void 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
+ */
+ if (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 (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 (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 (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 {
+ puts("LCD: No controller detected!\n");
+ return;
+ }
+
+ /*
+ * 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;
+ 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
+ */
+ lcd_bmp(logo_bmp);
}
+
+
+int do_esdbmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong addr;
+ char *str;
+
+ if (argc != 2) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+
+ 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
+ */
+ lcd_bmp((uchar *)addr);
+ return 0;
+ }
+}
+
+U_BOOT_CMD(
+ esdbmp, 2, 1, do_esdbmp,
+ "esdbmp - display BMP image\n",
+ "<imageAddr> - display image\n"
+);
generated by cgit v1.1 at 2024-12-02 12:27:12 +0000