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https://github.com/brain-hackers/u-boot-brain
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766 lines
17 KiB
C
766 lines
17 KiB
C
/*
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* Common LCD routines
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*
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* (C) Copyright 2001-2002
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* Wolfgang Denk, DENX Software Engineering -- wd@denx.de
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/* #define DEBUG */
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#include <config.h>
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#include <common.h>
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#include <command.h>
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#include <env_callback.h>
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#include <linux/types.h>
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#include <stdio_dev.h>
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#include <lcd.h>
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#include <mapmem.h>
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#include <watchdog.h>
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#include <asm/unaligned.h>
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#include <splash.h>
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#include <asm/io.h>
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#include <asm/unaligned.h>
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#include <video_font.h>
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#ifdef CONFIG_LCD_LOGO
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#include <bmp_logo.h>
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#include <bmp_logo_data.h>
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#if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
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#error Default Color Map overlaps with Logo Color Map
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#endif
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#endif
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#ifdef CONFIG_SANDBOX
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#include <asm/sdl.h>
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#endif
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#ifndef CONFIG_LCD_ALIGNMENT
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#define CONFIG_LCD_ALIGNMENT PAGE_SIZE
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#endif
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#if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
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(LCD_BPP != LCD_COLOR32)
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#error Unsupported LCD BPP.
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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static int lcd_init(void *lcdbase);
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static void lcd_logo(void);
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static void lcd_setfgcolor(int color);
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static void lcd_setbgcolor(int color);
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static int lcd_color_fg;
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static int lcd_color_bg;
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int lcd_line_length;
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char lcd_is_enabled = 0;
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static void *lcd_base; /* Start of framebuffer memory */
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static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
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/* Flush LCD activity to the caches */
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void lcd_sync(void)
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{
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/*
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* flush_dcache_range() is declared in common.h but it seems that some
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* architectures do not actually implement it. Is there a way to find
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* out whether it exists? For now, ARM is safe.
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*/
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#if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
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int line_length;
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if (lcd_flush_dcache)
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flush_dcache_range((u32)lcd_base,
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(u32)(lcd_base + lcd_get_size(&line_length)));
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#elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
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static ulong last_sync;
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if (get_timer(last_sync) > 10) {
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sandbox_sdl_sync(lcd_base);
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last_sync = get_timer(0);
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}
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#endif
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}
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void lcd_set_flush_dcache(int flush)
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{
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lcd_flush_dcache = (flush != 0);
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}
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static void lcd_stub_putc(struct stdio_dev *dev, const char c)
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{
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lcd_putc(c);
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}
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static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
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{
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lcd_puts(s);
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}
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/* Small utility to check that you got the colours right */
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#ifdef LCD_TEST_PATTERN
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#define N_BLK_VERT 2
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#define N_BLK_HOR 3
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static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
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CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
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CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
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};
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static void test_pattern(void)
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{
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ushort v_max = panel_info.vl_row;
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ushort h_max = panel_info.vl_col;
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ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
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ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
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ushort v, h;
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uchar *pix = (uchar *)lcd_base;
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printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
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h_max, v_max, h_step, v_step);
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/* WARNING: Code silently assumes 8bit/pixel */
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for (v = 0; v < v_max; ++v) {
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uchar iy = v / v_step;
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for (h = 0; h < h_max; ++h) {
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uchar ix = N_BLK_HOR * iy + h / h_step;
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*pix++ = test_colors[ix];
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}
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}
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}
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#endif /* LCD_TEST_PATTERN */
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/*
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* With most lcd drivers the line length is set up
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* by calculating it from panel_info parameters. Some
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* drivers need to calculate the line length differently,
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* so make the function weak to allow overriding it.
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*/
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__weak int lcd_get_size(int *line_length)
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{
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*line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
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return *line_length * panel_info.vl_row;
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}
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int drv_lcd_init(void)
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{
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struct stdio_dev lcddev;
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int rc;
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lcd_base = map_sysmem(gd->fb_base, 0);
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lcd_init(lcd_base);
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/* Device initialization */
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memset(&lcddev, 0, sizeof(lcddev));
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strcpy(lcddev.name, "lcd");
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lcddev.ext = 0; /* No extensions */
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lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
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lcddev.putc = lcd_stub_putc; /* 'putc' function */
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lcddev.puts = lcd_stub_puts; /* 'puts' function */
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rc = stdio_register(&lcddev);
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return (rc == 0) ? 1 : rc;
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}
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void lcd_clear(void)
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{
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int bg_color;
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char *s;
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ulong addr;
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static int do_splash = 1;
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#if LCD_BPP == LCD_COLOR8
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/* Setting the palette */
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lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
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lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
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lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
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lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
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lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
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lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
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lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
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lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
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lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
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#endif
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#ifndef CONFIG_SYS_WHITE_ON_BLACK
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lcd_setfgcolor(CONSOLE_COLOR_BLACK);
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lcd_setbgcolor(CONSOLE_COLOR_WHITE);
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bg_color = CONSOLE_COLOR_WHITE;
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#else
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lcd_setfgcolor(CONSOLE_COLOR_WHITE);
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lcd_setbgcolor(CONSOLE_COLOR_BLACK);
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bg_color = CONSOLE_COLOR_BLACK;
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#endif /* CONFIG_SYS_WHITE_ON_BLACK */
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#ifdef LCD_TEST_PATTERN
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test_pattern();
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#else
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/* set framebuffer to background color */
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#if (LCD_BPP != LCD_COLOR32)
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memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row);
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#else
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u32 *ppix = lcd_base;
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u32 i;
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for (i = 0;
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i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix);
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i++) {
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*ppix++ = bg_color;
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}
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#endif
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#endif
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/* setup text-console */
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debug("[LCD] setting up console...\n");
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lcd_init_console(lcd_base,
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panel_info.vl_col,
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panel_info.vl_row,
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panel_info.vl_rot);
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/* Paint the logo and retrieve LCD base address */
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debug("[LCD] Drawing the logo...\n");
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if (do_splash) {
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s = getenv("splashimage");
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if (s) {
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do_splash = 0;
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addr = simple_strtoul(s, NULL, 16);
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if (lcd_splash(addr) == 0) {
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lcd_sync();
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return;
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}
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}
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}
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lcd_logo();
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#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
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addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
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lcd_init_console((void *)addr, panel_info.vl_row,
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panel_info.vl_col, panel_info.vl_rot);
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#endif
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lcd_sync();
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}
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static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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lcd_clear();
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return 0;
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}
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U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", "");
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static int lcd_init(void *lcdbase)
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{
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debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
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lcd_ctrl_init(lcdbase);
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/*
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* lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
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* the 'lcdbase' argument and uses custom lcd base address
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* by setting up gd->fb_base. Check for this condition and fixup
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* 'lcd_base' address.
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*/
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if (map_to_sysmem(lcdbase) != gd->fb_base)
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lcd_base = map_sysmem(gd->fb_base, 0);
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debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
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lcd_get_size(&lcd_line_length);
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lcd_is_enabled = 1;
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lcd_clear();
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lcd_enable();
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/* Initialize the console */
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lcd_set_col(0);
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#ifdef CONFIG_LCD_INFO_BELOW_LOGO
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lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT);
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#else
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lcd_set_row(1); /* leave 1 blank line below logo */
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#endif
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return 0;
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}
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/*
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* This is called early in the system initialization to grab memory
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* for the LCD controller.
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* Returns new address for monitor, after reserving LCD buffer memory
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*
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* Note that this is running from ROM, so no write access to global data.
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*/
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ulong lcd_setmem(ulong addr)
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{
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ulong size;
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int line_length;
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debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
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panel_info.vl_row, NBITS(panel_info.vl_bpix));
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size = lcd_get_size(&line_length);
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/* Round up to nearest full page, or MMU section if defined */
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size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
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addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
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/* Allocate pages for the frame buffer. */
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addr -= size;
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debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
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size >> 10, addr);
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return addr;
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}
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static void lcd_setfgcolor(int color)
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{
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lcd_color_fg = color;
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}
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int lcd_getfgcolor(void)
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{
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return lcd_color_fg;
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}
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static void lcd_setbgcolor(int color)
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{
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lcd_color_bg = color;
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}
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int lcd_getbgcolor(void)
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{
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return lcd_color_bg;
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}
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#ifdef CONFIG_LCD_LOGO
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__weak void lcd_logo_set_cmap(void)
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{
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int i;
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ushort *cmap = configuration_get_cmap();
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for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i)
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*cmap++ = bmp_logo_palette[i];
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}
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void lcd_logo_plot(int x, int y)
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{
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ushort i, j;
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uchar *bmap = &bmp_logo_bitmap[0];
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unsigned bpix = NBITS(panel_info.vl_bpix);
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uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
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ushort *fb16;
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debug("Logo: width %d height %d colors %d\n",
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BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS);
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if (bpix < 12) {
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WATCHDOG_RESET();
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lcd_logo_set_cmap();
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WATCHDOG_RESET();
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for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
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memcpy(fb, bmap, BMP_LOGO_WIDTH);
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bmap += BMP_LOGO_WIDTH;
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fb += panel_info.vl_col;
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}
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}
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else { /* true color mode */
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u16 col16;
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fb16 = (ushort *)fb;
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for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
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for (j = 0; j < BMP_LOGO_WIDTH; j++) {
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col16 = bmp_logo_palette[(bmap[j]-16)];
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fb16[j] =
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((col16 & 0x000F) << 1) |
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((col16 & 0x00F0) << 3) |
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((col16 & 0x0F00) << 4);
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}
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bmap += BMP_LOGO_WIDTH;
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fb16 += panel_info.vl_col;
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}
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}
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WATCHDOG_RESET();
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lcd_sync();
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}
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#else
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static inline void lcd_logo_plot(int x, int y) {}
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#endif /* CONFIG_LCD_LOGO */
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#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
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#ifdef CONFIG_SPLASH_SCREEN_ALIGN
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#define BMP_ALIGN_CENTER 0x7FFF
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static void splash_align_axis(int *axis, unsigned long panel_size,
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unsigned long picture_size)
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{
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unsigned long panel_picture_delta = panel_size - picture_size;
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unsigned long axis_alignment;
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if (*axis == BMP_ALIGN_CENTER)
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axis_alignment = panel_picture_delta / 2;
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else if (*axis < 0)
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axis_alignment = panel_picture_delta + *axis + 1;
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else
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return;
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*axis = max(0, (int)axis_alignment);
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}
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#endif
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#ifdef CONFIG_LCD_BMP_RLE8
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#define BMP_RLE8_ESCAPE 0
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#define BMP_RLE8_EOL 0
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#define BMP_RLE8_EOBMP 1
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#define BMP_RLE8_DELTA 2
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static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
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int cnt)
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{
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while (cnt > 0) {
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*(*fbp)++ = cmap[*bmap++];
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cnt--;
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}
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}
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static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
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{
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ushort *fb = *fbp;
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int cnt_8copy = cnt >> 3;
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cnt -= cnt_8copy << 3;
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while (cnt_8copy > 0) {
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*fb++ = c;
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*fb++ = c;
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*fb++ = c;
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*fb++ = c;
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*fb++ = c;
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*fb++ = c;
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*fb++ = c;
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*fb++ = c;
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cnt_8copy--;
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}
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while (cnt > 0) {
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*fb++ = c;
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cnt--;
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}
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*fbp = fb;
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}
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/*
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* Do not call this function directly, must be called from lcd_display_bitmap.
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*/
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static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
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int x_off, int y_off)
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{
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uchar *bmap;
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ulong width, height;
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ulong cnt, runlen;
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int x, y;
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int decode = 1;
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width = get_unaligned_le32(&bmp->header.width);
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height = get_unaligned_le32(&bmp->header.height);
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bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
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x = 0;
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y = height - 1;
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while (decode) {
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if (bmap[0] == BMP_RLE8_ESCAPE) {
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switch (bmap[1]) {
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case BMP_RLE8_EOL:
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/* end of line */
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bmap += 2;
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x = 0;
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y--;
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/* 16bpix, 2-byte per pixel, width should *2 */
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fb -= (width * 2 + lcd_line_length);
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break;
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case BMP_RLE8_EOBMP:
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/* end of bitmap */
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decode = 0;
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break;
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case BMP_RLE8_DELTA:
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/* delta run */
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x += bmap[2];
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y -= bmap[3];
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/* 16bpix, 2-byte per pixel, x should *2 */
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fb = (uchar *) (lcd_base + (y + y_off - 1)
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* lcd_line_length + (x + x_off) * 2);
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bmap += 4;
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break;
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default:
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/* unencoded run */
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runlen = bmap[1];
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bmap += 2;
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if (y < height) {
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if (x < width) {
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if (x + runlen > width)
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cnt = width - x;
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else
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cnt = runlen;
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draw_unencoded_bitmap(
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(ushort **)&fb,
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bmap, cmap, cnt);
|
|
}
|
|
x += runlen;
|
|
}
|
|
bmap += runlen;
|
|
if (runlen & 1)
|
|
bmap++;
|
|
}
|
|
} else {
|
|
/* encoded run */
|
|
if (y < height) {
|
|
runlen = bmap[0];
|
|
if (x < width) {
|
|
/* aggregate the same code */
|
|
while (bmap[0] == 0xff &&
|
|
bmap[2] != BMP_RLE8_ESCAPE &&
|
|
bmap[1] == bmap[3]) {
|
|
runlen += bmap[2];
|
|
bmap += 2;
|
|
}
|
|
if (x + runlen > width)
|
|
cnt = width - x;
|
|
else
|
|
cnt = runlen;
|
|
draw_encoded_bitmap((ushort **)&fb,
|
|
cmap[bmap[1]], cnt);
|
|
}
|
|
x += runlen;
|
|
}
|
|
bmap += 2;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
__weak void fb_put_byte(uchar **fb, uchar **from)
|
|
{
|
|
*(*fb)++ = *(*from)++;
|
|
}
|
|
|
|
#if defined(CONFIG_BMP_16BPP)
|
|
__weak void fb_put_word(uchar **fb, uchar **from)
|
|
{
|
|
*(*fb)++ = *(*from)++;
|
|
*(*fb)++ = *(*from)++;
|
|
}
|
|
#endif /* CONFIG_BMP_16BPP */
|
|
|
|
__weak void lcd_set_cmap(bmp_image_t *bmp, unsigned colors)
|
|
{
|
|
int i;
|
|
bmp_color_table_entry_t cte;
|
|
ushort *cmap = configuration_get_cmap();
|
|
|
|
for (i = 0; i < colors; ++i) {
|
|
cte = bmp->color_table[i];
|
|
*cmap = (((cte.red) << 8) & 0xf800) |
|
|
(((cte.green) << 3) & 0x07e0) |
|
|
(((cte.blue) >> 3) & 0x001f);
|
|
#if defined(CONFIG_MPC823)
|
|
cmap--;
|
|
#else
|
|
cmap++;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
int lcd_display_bitmap(ulong bmp_image, int x, int y)
|
|
{
|
|
ushort *cmap_base = NULL;
|
|
ushort i, j;
|
|
uchar *fb;
|
|
bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0);
|
|
uchar *bmap;
|
|
ushort padded_width;
|
|
unsigned long width, height, byte_width;
|
|
unsigned long pwidth = panel_info.vl_col;
|
|
unsigned colors, bpix, bmp_bpix;
|
|
|
|
if (!bmp || !(bmp->header.signature[0] == 'B' &&
|
|
bmp->header.signature[1] == 'M')) {
|
|
printf("Error: no valid bmp image at %lx\n", bmp_image);
|
|
|
|
return 1;
|
|
}
|
|
|
|
width = get_unaligned_le32(&bmp->header.width);
|
|
height = get_unaligned_le32(&bmp->header.height);
|
|
bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
|
|
|
|
colors = 1 << bmp_bpix;
|
|
|
|
bpix = NBITS(panel_info.vl_bpix);
|
|
|
|
if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) {
|
|
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
|
|
bpix, bmp_bpix);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* We support displaying 8bpp BMPs on 16bpp LCDs
|
|
* and displaying 24bpp BMPs on 32bpp LCDs
|
|
* */
|
|
if (bpix != bmp_bpix &&
|
|
!(bmp_bpix == 8 && bpix == 16) &&
|
|
!(bmp_bpix == 24 && bpix == 32)) {
|
|
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
|
|
bpix, get_unaligned_le16(&bmp->header.bit_count));
|
|
return 1;
|
|
}
|
|
|
|
debug("Display-bmp: %d x %d with %d colors\n",
|
|
(int)width, (int)height, (int)colors);
|
|
|
|
if (bmp_bpix == 8)
|
|
lcd_set_cmap(bmp, colors);
|
|
|
|
padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width);
|
|
|
|
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
|
|
splash_align_axis(&x, pwidth, width);
|
|
splash_align_axis(&y, panel_info.vl_row, height);
|
|
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
|
|
|
|
if ((x + width) > pwidth)
|
|
width = pwidth - x;
|
|
if ((y + height) > panel_info.vl_row)
|
|
height = panel_info.vl_row - y;
|
|
|
|
bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
|
|
fb = (uchar *)(lcd_base +
|
|
(y + height - 1) * lcd_line_length + x * bpix / 8);
|
|
|
|
switch (bmp_bpix) {
|
|
case 1:
|
|
case 8: {
|
|
cmap_base = configuration_get_cmap();
|
|
#ifdef CONFIG_LCD_BMP_RLE8
|
|
u32 compression = get_unaligned_le32(&bmp->header.compression);
|
|
if (compression == BMP_BI_RLE8) {
|
|
if (bpix != 16) {
|
|
/* TODO implement render code for bpix != 16 */
|
|
printf("Error: only support 16 bpix");
|
|
return 1;
|
|
}
|
|
lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
if (bpix != 16)
|
|
byte_width = width;
|
|
else
|
|
byte_width = width * 2;
|
|
|
|
for (i = 0; i < height; ++i) {
|
|
WATCHDOG_RESET();
|
|
for (j = 0; j < width; j++) {
|
|
if (bpix != 16) {
|
|
fb_put_byte(&fb, &bmap);
|
|
} else {
|
|
*(uint16_t *)fb = cmap_base[*(bmap++)];
|
|
fb += sizeof(uint16_t) / sizeof(*fb);
|
|
}
|
|
}
|
|
bmap += (padded_width - width);
|
|
fb -= byte_width + lcd_line_length;
|
|
}
|
|
break;
|
|
}
|
|
#if defined(CONFIG_BMP_16BPP)
|
|
case 16:
|
|
for (i = 0; i < height; ++i) {
|
|
WATCHDOG_RESET();
|
|
for (j = 0; j < width; j++)
|
|
fb_put_word(&fb, &bmap);
|
|
|
|
bmap += (padded_width - width) * 2;
|
|
fb -= width * 2 + lcd_line_length;
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BMP_16BPP */
|
|
#if defined(CONFIG_BMP_24BMP)
|
|
case 24:
|
|
for (i = 0; i < height; ++i) {
|
|
for (j = 0; j < width; j++) {
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = 0;
|
|
}
|
|
fb -= lcd_line_length + width * (bpix / 8);
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BMP_24BMP */
|
|
#if defined(CONFIG_BMP_32BPP)
|
|
case 32:
|
|
for (i = 0; i < height; ++i) {
|
|
for (j = 0; j < width; j++) {
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
}
|
|
fb -= lcd_line_length + width * (bpix / 8);
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BMP_32BPP */
|
|
default:
|
|
break;
|
|
};
|
|
|
|
lcd_sync();
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void lcd_logo(void)
|
|
{
|
|
lcd_logo_plot(0, 0);
|
|
|
|
#ifdef CONFIG_LCD_INFO
|
|
lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH);
|
|
lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT);
|
|
lcd_show_board_info();
|
|
#endif /* CONFIG_LCD_INFO */
|
|
}
|
|
|
|
#ifdef CONFIG_SPLASHIMAGE_GUARD
|
|
static int on_splashimage(const char *name, const char *value, enum env_op op,
|
|
int flags)
|
|
{
|
|
ulong addr;
|
|
int aligned;
|
|
|
|
if (op == env_op_delete)
|
|
return 0;
|
|
|
|
addr = simple_strtoul(value, NULL, 16);
|
|
/* See README.displaying-bmps */
|
|
aligned = (addr % 4 == 2);
|
|
if (!aligned) {
|
|
printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
|
|
#endif
|
|
|
|
int lcd_get_pixel_width(void)
|
|
{
|
|
return panel_info.vl_col;
|
|
}
|
|
|
|
int lcd_get_pixel_height(void)
|
|
{
|
|
return panel_info.vl_row;
|
|
}
|