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-rw-r--r--u-boot/board/esd/common/lcd.c375
1 files changed, 375 insertions, 0 deletions
diff --git a/u-boot/board/esd/common/lcd.c b/u-boot/board/esd/common/lcd.c
new file mode 100644
index 0000000..3dfbf3b
--- /dev/null
+++ b/u-boot/board/esd/common/lcd.c
@@ -0,0 +1,375 @@
+/*
+ * (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.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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"
+);
generated by cgit v1.1 at 2024-05-23 06:06:43 +0000