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https://github.com/AsahiLinux/u-boot
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47e26b1bf9
Lots of code use this construct: cmd_usage(cmdtp); return 1; Change cmd_usage() let it return 1 - then we can replace all these ocurrances by return cmd_usage(cmdtp); This fixes a few places with incorrect return code handling, too. Signed-off-by: Wolfgang Denk <wd@denx.de>
375 lines
8.1 KiB
C
375 lines
8.1 KiB
C
/*
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* (C) Copyright 2003-2004
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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*
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* (C) Copyright 2005
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include "asm/io.h"
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#include "lcd.h"
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extern int video_display_bitmap (ulong, int, int);
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int palette_index;
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int palette_value;
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int lcd_depth;
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unsigned char *glob_lcd_reg;
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unsigned char *glob_lcd_mem;
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#if defined(CONFIG_SYS_LCD_ENDIAN)
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void lcd_setup(int lcd, int config)
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{
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if (lcd == 0) {
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/*
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* Set endianess and reset lcd controller 0 (small)
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*/
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/* set reset to low */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD0_RST);
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udelay(10); /* wait 10us */
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if (config == 1) {
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/* big-endian */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
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} else {
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/* little-endian */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD_ENDIAN);
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}
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udelay(10); /* wait 10us */
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/* set reset to high */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD0_RST);
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} else {
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/*
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* Set endianess and reset lcd controller 1 (big)
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*/
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/* set reset to low */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD1_RST);
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udelay(10); /* wait 10us */
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if (config == 1) {
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/* big-endian */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
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} else {
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/* little-endian */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD_ENDIAN);
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}
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udelay(10); /* wait 10us */
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/* set reset to high */
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out_be32((void*)GPIO0_OR,
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in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD1_RST);
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}
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/*
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* CONFIG_SYS_LCD_ENDIAN may also be FPGA_RESET, so set inactive
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*/
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out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
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}
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#endif /* CONFIG_SYS_LCD_ENDIAN */
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int lcd_bmp(uchar *logo_bmp)
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{
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int i;
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uchar *ptr;
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ushort *ptr2;
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ushort val;
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unsigned char *dst = NULL;
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int x, y;
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int width, height, bpp, colors, line_size;
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int header_size;
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unsigned char *bmp;
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unsigned char r, g, b;
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BITMAPINFOHEADER *bm_info;
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ulong len;
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/*
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* Check for bmp mark 'BM'
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*/
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if (*(ushort *)logo_bmp != 0x424d) {
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/*
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* Decompress bmp image
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*/
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len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
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dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
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if (dst == NULL) {
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printf("Error: malloc for gunzip failed!\n");
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return 1;
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}
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if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE,
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(uchar *)logo_bmp, &len) != 0) {
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free(dst);
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return 1;
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}
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if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE) {
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printf("Image could be truncated"
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" (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
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}
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/*
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* Check for bmp mark 'BM'
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*/
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if (*(ushort *)dst != 0x424d) {
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printf("LCD: Unknown image format!\n");
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free(dst);
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return 1;
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}
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} else {
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/*
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* Uncompressed BMP image, just use this pointer
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*/
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dst = (uchar *)logo_bmp;
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}
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/*
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* Get image info from bmp-header
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*/
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bm_info = (BITMAPINFOHEADER *)(dst + 14);
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bpp = LOAD_SHORT(bm_info->biBitCount);
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width = LOAD_LONG(bm_info->biWidth);
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height = LOAD_LONG(bm_info->biHeight);
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switch (bpp) {
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case 1:
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colors = 1;
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line_size = width >> 3;
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break;
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case 4:
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colors = 16;
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line_size = width >> 1;
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break;
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case 8:
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colors = 256;
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line_size = width;
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break;
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case 24:
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colors = 0;
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line_size = width * 3;
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break;
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default:
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printf("LCD: Unknown bpp (%d) im image!\n", bpp);
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if ((dst != NULL) && (dst != (uchar *)logo_bmp))
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free(dst);
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return 1;
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}
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printf(" (%d*%d, %dbpp)\n", width, height, bpp);
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/*
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* Write color palette
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*/
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if ((colors <= 256) && (lcd_depth <= 8)) {
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ptr = (unsigned char *)(dst + 14 + 40);
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for (i = 0; i < colors; i++) {
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b = *ptr++;
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g = *ptr++;
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r = *ptr++;
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ptr++;
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S1D_WRITE_PALETTE(glob_lcd_reg, i, r, g, b);
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}
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}
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/*
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* Write bitmap data into framebuffer
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*/
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ptr = glob_lcd_mem;
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ptr2 = (ushort *)glob_lcd_mem;
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header_size = 14 + 40 + 4*colors; /* skip bmp header */
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for (y = 0; y < height; y++) {
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bmp = &dst[(height-1-y)*line_size + header_size];
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if (lcd_depth == 16) {
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if (bpp == 24) {
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for (x = 0; x < width; x++) {
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/*
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* Generate epson 16bpp fb-format
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* from 24bpp image
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*/
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b = *bmp++ >> 3;
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g = *bmp++ >> 2;
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r = *bmp++ >> 3;
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val = ((r & 0x1f) << 11) |
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((g & 0x3f) << 5) |
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(b & 0x1f);
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*ptr2++ = val;
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}
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} else if (bpp == 8) {
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for (x = 0; x < line_size; x++) {
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/* query rgb value from palette */
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ptr = (unsigned char *)(dst + 14 + 40);
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ptr += (*bmp++) << 2;
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b = *ptr++ >> 3;
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g = *ptr++ >> 2;
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r = *ptr++ >> 3;
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val = ((r & 0x1f) << 11) |
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((g & 0x3f) << 5) |
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(b & 0x1f);
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*ptr2++ = val;
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}
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}
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} else {
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for (x = 0; x < line_size; x++)
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*ptr++ = *bmp++;
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}
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}
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if ((dst != NULL) && (dst != (uchar *)logo_bmp))
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free(dst);
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return 0;
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}
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int lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
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uchar *logo_bmp, ulong len)
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{
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int i;
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ushort s1dReg;
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uchar s1dValue;
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int reg_byte_swap;
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/*
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* Detect epson
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*/
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out_8(&lcd_reg[0], 0x00);
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out_8(&lcd_reg[1], 0x00);
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if (in_8(&lcd_reg[0]) == 0x1c) {
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/*
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* Big epson detected
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*/
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reg_byte_swap = FALSE;
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palette_index = 0x1e2;
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palette_value = 0x1e4;
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lcd_depth = 16;
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puts("LCD: S1D13806");
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} else if (in_8(&lcd_reg[1]) == 0x1c) {
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/*
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* Big epson detected (with register swap bug)
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*/
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reg_byte_swap = TRUE;
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palette_index = 0x1e3;
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palette_value = 0x1e5;
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lcd_depth = 16;
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puts("LCD: S1D13806S");
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} else if (in_8(&lcd_reg[0]) == 0x18) {
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/*
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* Small epson detected (704)
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*/
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reg_byte_swap = FALSE;
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palette_index = 0x15;
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palette_value = 0x17;
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lcd_depth = 8;
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puts("LCD: S1D13704");
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} else if (in_8(&lcd_reg[0x10000]) == 0x24) {
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/*
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* Small epson detected (705)
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*/
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reg_byte_swap = FALSE;
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palette_index = 0x15;
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palette_value = 0x17;
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lcd_depth = 8;
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lcd_reg += 0x10000; /* add offset for 705 regs */
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puts("LCD: S1D13705");
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} else {
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out_8(&lcd_reg[0x1a], 0x00);
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udelay(1000);
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if (in_8(&lcd_reg[1]) == 0x0c) {
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/*
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* S1D13505 detected
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*/
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reg_byte_swap = TRUE;
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palette_index = 0x25;
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palette_value = 0x27;
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lcd_depth = 16;
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puts("LCD: S1D13505");
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} else {
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puts("LCD: No controller detected!\n");
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return 1;
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}
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}
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/*
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* Setup lcd controller regs
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*/
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for (i = 0; i < reg_count; i++) {
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s1dReg = regs[i].Index;
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if (reg_byte_swap) {
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if ((s1dReg & 0x0001) == 0)
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s1dReg |= 0x0001;
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else
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s1dReg &= ~0x0001;
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}
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s1dValue = regs[i].Value;
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out_8(&lcd_reg[s1dReg], s1dValue);
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}
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/*
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* Save reg & mem pointer for later usage (e.g. bmp command)
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*/
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glob_lcd_reg = lcd_reg;
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glob_lcd_mem = lcd_mem;
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/*
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* Display bmp image
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*/
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return lcd_bmp(logo_bmp);
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}
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int do_esdbmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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ulong addr;
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#ifdef CONFIG_VIDEO_SM501
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char *str;
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#endif
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if (argc != 2)
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return cmd_usage(cmdtp);
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addr = simple_strtoul(argv[1], NULL, 16);
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#ifdef CONFIG_VIDEO_SM501
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str = getenv("bd_type");
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if ((strcmp(str, "ppc221") == 0) || (strcmp(str, "ppc231") == 0)) {
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/*
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* SM501 available, use standard bmp command
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*/
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return video_display_bitmap(addr, 0, 0);
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} else {
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/*
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* No SM501 available, use esd epson bmp command
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*/
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return lcd_bmp((uchar *)addr);
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}
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#else
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return lcd_bmp((uchar *)addr);
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#endif
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}
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U_BOOT_CMD(
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esdbmp, 2, 1, do_esdbmp,
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"display BMP image",
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"<imageAddr> - display image"
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);
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