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common/lcd.c
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// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Common LCD routines |
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* * (C) Copyright 2001-2002 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de |
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*/ |
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/* #define DEBUG */ |
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#include <config.h> #include <common.h> #include <command.h> |
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#include <cpu_func.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> #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> #include <bmp_logo_data.h> #if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) #error Default Color Map overlaps with Logo Color Map #endif |
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#endif |
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#ifndef CONFIG_LCD_ALIGNMENT #define CONFIG_LCD_ALIGNMENT PAGE_SIZE #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); static void lcd_setbgcolor(int color); |
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static int lcd_color_fg; 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 */ void lcd_sync(void) { /* * flush_dcache_range() is declared in common.h but it seems that some * architectures do not actually implement it. Is there a way to find * out whether it exists? For now, ARM is safe. */ |
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#if defined(CONFIG_ARM) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) |
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int line_length; if (lcd_flush_dcache) |
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flush_dcache_range((ulong)lcd_base, (ulong)(lcd_base + lcd_get_size(&line_length))); |
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#endif } void lcd_set_flush_dcache(int flush) { lcd_flush_dcache = (flush != 0); } |
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static void lcd_stub_putc(struct stdio_dev *dev, const char c) { lcd_putc(c); } |
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static void lcd_stub_puts(struct stdio_dev *dev, const char *s) { lcd_puts(s); } |
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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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#if LCD_BPP == LCD_COLOR8 |
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#define N_BLK_VERT 2 #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, CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, |
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}; /*LCD_BPP == LCD_COLOR8 */ #elif LCD_BPP == LCD_COLOR16 #define N_BLK_VERT 2 #define N_BLK_HOR 4 static int test_colors[N_BLK_HOR * N_BLK_VERT] = { CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, CONSOLE_COLOR_GREY, CONSOLE_COLOR_WHITE, |
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}; |
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#endif /*LCD_BPP == LCD_COLOR16 */ |
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static void test_pattern(void) |
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{ ushort v_max = panel_info.vl_row; ushort h_max = panel_info.vl_col; ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; ushort v, h; |
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#if LCD_BPP == LCD_COLOR8 |
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uchar *pix = (uchar *)lcd_base; |
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#elif LCD_BPP == LCD_COLOR16 ushort *pix = (ushort *)lcd_base; #endif |
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printf("[LCD] Test Pattern: %d x %d [%d x %d] ", |
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h_max, v_max, h_step, v_step); |
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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]; } } } #endif /* LCD_TEST_PATTERN */ |
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/* * With most lcd drivers the line length is set up * by calculating it from panel_info parameters. Some * drivers need to calculate the line length differently, * so make the function weak to allow overriding it. */ __weak int lcd_get_size(int *line_length) |
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{ *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; return *line_length * panel_info.vl_row; } |
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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 */ lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ |
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lcddev.putc = lcd_stub_putc; /* 'putc' function */ 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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void lcd_clear(void) |
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{ |
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__maybe_unused ulong addr; |
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static int do_splash = 1; |
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#if LCD_BPP == LCD_MONOCHROME /* Setting the palette */ lcd_initcolregs(); #elif LCD_BPP == LCD_COLOR8 |
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/* Setting the palette */ |
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lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 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); lcd_setbgcolor(CONSOLE_COLOR_WHITE); |
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#else |
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lcd_setfgcolor(CONSOLE_COLOR_WHITE); lcd_setbgcolor(CONSOLE_COLOR_BLACK); |
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#endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
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#ifdef LCD_TEST_PATTERN test_pattern(); #else /* set framebuffer to background color */ |
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#if (LCD_BPP != LCD_COLOR32) |
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memset((char *)lcd_base, COLOR_MASK(lcd_getbgcolor()), lcd_line_length * panel_info.vl_row); |
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#else u32 *ppix = lcd_base; u32 i; for (i = 0; i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); i++) { |
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*ppix++ = COLOR_MASK(lcd_getbgcolor()); |
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} #endif |
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#endif |
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/* setup text-console */ debug("[LCD] setting up console... "); lcd_init_console(lcd_base, panel_info.vl_col, panel_info.vl_row, 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... "); |
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if (do_splash) { |
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if (splash_display() == 0) { |
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do_splash = 0; |
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lcd_sync(); return; |
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} } lcd_logo(); #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; |
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lcd_init_console((void *)addr, panel_info.vl_col, panel_info.vl_row, panel_info.vl_rot); |
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#endif |
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lcd_sync(); } |
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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 ", 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 * by setting up gd->fb_base. Check for this condition and fixup * 'lcd_base' address. */ |
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if (map_to_sysmem(lcdbase) != gd->fb_base) lcd_base = map_sysmem(gd->fb_base, 0); |
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debug("[LCD] Using LCD frambuffer at %p ", 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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/* * This is called early in the system initialization to grab memory * for the LCD controller. * Returns new address for monitor, after reserving LCD buffer memory * * Note that this is running from ROM, so no write access to global data. */ |
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ulong lcd_setmem(ulong addr) |
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{ ulong size; |
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int line_length; |
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debug("LCD panel info: %lu x %lu, %d bit/pix ", 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 */ size = ALIGN(size, CONFIG_LCD_ALIGNMENT); addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); |
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/* Allocate pages for the frame buffer. */ addr -= size; |
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debug("Reserving %ldk for LCD Framebuffer at: %08lx ", 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) { return lcd_color_fg; } |
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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) { return lcd_color_bg; } |
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#ifdef CONFIG_LCD_LOGO |
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__weak void lcd_logo_set_cmap(void) { |
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int i; ushort *cmap = configuration_get_cmap(); for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) *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); ushort *fb16; |
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debug("Logo: width %d height %d colors %d ", 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) { 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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} } 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) { for (j = 0; j < BMP_LOGO_WIDTH; j++) { |
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col16 = bmp_logo_palette[(bmap[j]-16)]; fb16[j] = ((col16 & 0x000F) << 1) | ((col16 & 0x00F0) << 3) | ((col16 & 0x0F00) << 4); |
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} bmap += BMP_LOGO_WIDTH; fb16 += panel_info.vl_col; } } 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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static void splash_align_axis(int *axis, unsigned long panel_size, unsigned long picture_size) { unsigned long panel_picture_delta = panel_size - picture_size; unsigned long axis_alignment; if (*axis == BMP_ALIGN_CENTER) axis_alignment = panel_picture_delta / 2; else if (*axis < 0) axis_alignment = panel_picture_delta + *axis + 1; else 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 #define BMP_RLE8_EOL 0 #define BMP_RLE8_EOBMP 1 #define BMP_RLE8_DELTA 2 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, int cnt) { while (cnt > 0) { *(*fbp)++ = cmap[*bmap++]; cnt--; } } static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) { ushort *fb = *fbp; int cnt_8copy = cnt >> 3; cnt -= cnt_8copy << 3; while (cnt_8copy > 0) { *fb++ = c; *fb++ = c; *fb++ = c; *fb++ = c; *fb++ = c; *fb++ = c; *fb++ = c; *fb++ = c; cnt_8copy--; } while (cnt > 0) { *fb++ = c; cnt--; } |
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*fbp = fb; |
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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(struct bmp_image *bmp, ushort *cmap, uchar *fb, int x_off, int y_off) |
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{ uchar *bmap; ulong width, height; ulong cnt, runlen; int x, y; int decode = 1; |
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width = get_unaligned_le32(&bmp->header.width); height = get_unaligned_le32(&bmp->header.height); bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
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x = 0; y = height - 1; while (decode) { if (bmap[0] == BMP_RLE8_ESCAPE) { switch (bmap[1]) { case BMP_RLE8_EOL: /* end of line */ bmap += 2; x = 0; y--; /* 16bpix, 2-byte per pixel, width should *2 */ fb -= (width * 2 + lcd_line_length); break; case BMP_RLE8_EOBMP: /* end of bitmap */ decode = 0; break; case BMP_RLE8_DELTA: /* delta run */ x += bmap[2]; y -= bmap[3]; /* 16bpix, 2-byte per pixel, x should *2 */ fb = (uchar *) (lcd_base + (y + y_off - 1) * lcd_line_length + (x + x_off) * 2); bmap += 4; break; default: /* unencoded run */ runlen = bmap[1]; bmap += 2; if (y < height) { if (x < width) { if (x + runlen > width) cnt = width - x; else cnt = runlen; draw_unencoded_bitmap( (ushort **)&fb, 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 |
27fad01b7
|
503 504 505 506 |
__weak void fb_put_byte(uchar **fb, uchar **from) { *(*fb)++ = *(*from)++; } |
bfdcc65e1
|
507 508 |
#if defined(CONFIG_BMP_16BPP) |
b3d12e9bc
|
509 |
__weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e1
|
510 511 512 513 |
{ *(*fb)++ = *(*from)++; *(*fb)++ = *(*from)++; } |
bfdcc65e1
|
514 |
#endif /* CONFIG_BMP_16BPP */ |
1c3dbe56f
|
515 |
__weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) |
0b29a8969
|
516 517 |
{ int i; |
1c3dbe56f
|
518 |
struct bmp_color_table_entry cte; |
0b29a8969
|
519 520 521 522 523 524 525 |
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); |
0b29a8969
|
526 |
cmap++; |
0b29a8969
|
527 528 |
} } |
8655b6f86
|
529 530 |
int lcd_display_bitmap(ulong bmp_image, int x, int y) { |
00cc5595a
|
531 |
ushort *cmap_base = NULL; |
8655b6f86
|
532 533 |
ushort i, j; uchar *fb; |
1c3dbe56f
|
534 |
struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); |
8655b6f86
|
535 |
uchar *bmap; |
fecac46cf
|
536 |
ushort padded_width; |
b245e65ee
|
537 |
unsigned long width, height, byte_width; |
e8143e72e
|
538 |
unsigned long pwidth = panel_info.vl_col; |
b245e65ee
|
539 |
unsigned colors, bpix, bmp_bpix; |
8d379f179
|
540 |
int hdr_size; |
021414a33
|
541 |
struct bmp_color_table_entry *palette; |
8655b6f86
|
542 |
|
6b035141f
|
543 544 |
if (!bmp || !(bmp->header.signature[0] == 'B' && bmp->header.signature[1] == 'M')) { |
8f47d917c
|
545 546 |
printf("Error: no valid bmp image at %lx ", bmp_image); |
8655b6f86
|
547 |
return 1; |
b245e65ee
|
548 |
} |
8655b6f86
|
549 |
|
021414a33
|
550 |
palette = bmp->color_table; |
dca2a1c18
|
551 552 553 |
width = get_unaligned_le32(&bmp->header.width); height = get_unaligned_le32(&bmp->header.height); bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); |
8d379f179
|
554 555 556 |
hdr_size = get_unaligned_le16(&bmp->header.size); debug("hdr_size=%d, bmp_bpix=%d ", hdr_size, bmp_bpix); |
dca2a1c18
|
557 |
|
b245e65ee
|
558 |
colors = 1 << bmp_bpix; |
8655b6f86
|
559 560 |
bpix = NBITS(panel_info.vl_bpix); |
6b035141f
|
561 |
if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
b245e65ee
|
562 563 564 |
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel ", bpix, bmp_bpix); |
8f47d917c
|
565 |
|
8655b6f86
|
566 567 |
return 1; } |
a305fb155
|
568 569 570 571 572 573 574 |
/* * 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)) { |
8655b6f86
|
575 576 |
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel ", |
dca2a1c18
|
577 |
bpix, get_unaligned_le16(&bmp->header.bit_count)); |
8655b6f86
|
578 579 |
return 1; } |
8d379f179
|
580 581 582 |
debug("Display-bmp: %d x %d with %d colors, display %d ", (int)width, (int)height, (int)colors, 1 << bpix); |
8655b6f86
|
583 |
|
0b29a8969
|
584 585 |
if (bmp_bpix == 8) lcd_set_cmap(bmp, colors); |
e8143e72e
|
586 |
|
6b035141f
|
587 |
padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ced
|
588 589 |
#ifdef CONFIG_SPLASH_SCREEN_ALIGN |
7c7e280aa
|
590 591 |
splash_align_axis(&x, pwidth, width); splash_align_axis(&y, panel_info.vl_row, height); |
1ca298ced
|
592 |
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
8f47d917c
|
593 |
if ((x + width) > pwidth) |
e8143e72e
|
594 |
width = pwidth - x; |
8f47d917c
|
595 |
if ((y + height) > panel_info.vl_row) |
8655b6f86
|
596 |
height = panel_info.vl_row - y; |
dca2a1c18
|
597 598 |
bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); fb = (uchar *)(lcd_base + |
8d46d5b18
|
599 |
(y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0e
|
600 |
|
b245e65ee
|
601 |
switch (bmp_bpix) { |
c8d2febcc
|
602 |
case 1: |
0156444cf
|
603 |
case 8: { |
0b29a8969
|
604 |
cmap_base = configuration_get_cmap(); |
45d7f5251
|
605 |
#ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c18
|
606 |
u32 compression = get_unaligned_le32(&bmp->header.compression); |
8d379f179
|
607 608 |
debug("compressed %d %d ", compression, BMP_BI_RLE8); |
dca2a1c18
|
609 |
if (compression == BMP_BI_RLE8) { |
45d7f5251
|
610 611 612 613 614 615 616 617 618 |
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 |
b245e65ee
|
619 620 621 622 |
if (bpix != 16) byte_width = width; else byte_width = width * 2; |
a303dfb0e
|
623 624 |
for (i = 0; i < height; ++i) { WATCHDOG_RESET(); |
b245e65ee
|
625 626 |
for (j = 0; j < width; j++) { if (bpix != 16) { |
27fad01b7
|
627 |
fb_put_byte(&fb, &bmap); |
b245e65ee
|
628 |
} else { |
8d379f179
|
629 630 631 632 633 634 635 636 637 638 639 640 641 |
struct bmp_color_table_entry *entry; uint val; if (cmap_base) { val = cmap_base[*bmap]; } else { entry = &palette[*bmap]; val = entry->blue >> 3 | entry->green >> 2 << 5 | entry->red >> 3 << 11; } *(uint16_t *)fb = val; bmap++; |
b245e65ee
|
642 643 644 |
fb += sizeof(uint16_t) / sizeof(*fb); } } |
fecac46cf
|
645 |
bmap += (padded_width - width); |
6b035141f
|
646 |
fb -= byte_width + lcd_line_length; |
a303dfb0e
|
647 648 |
} break; |
0156444cf
|
649 |
} |
a303dfb0e
|
650 651 652 653 |
#if defined(CONFIG_BMP_16BPP) case 16: for (i = 0; i < height; ++i) { WATCHDOG_RESET(); |
bfdcc65e1
|
654 655 |
for (j = 0; j < width; j++) fb_put_word(&fb, &bmap); |
fecac46cf
|
656 |
bmap += (padded_width - width) * 2; |
6b035141f
|
657 |
fb -= width * 2 + lcd_line_length; |
a303dfb0e
|
658 659 660 |
} break; #endif /* CONFIG_BMP_16BPP */ |
10ba6b333
|
661 |
#if defined(CONFIG_BMP_24BPP) |
a305fb155
|
662 663 664 665 666 667 668 669 670 671 672 |
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; |
10ba6b333
|
673 |
#endif /* CONFIG_BMP_24BPP */ |
fb6a9aab7
|
674 675 676 677 678 679 680 681 682 |
#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++); } |
6b035141f
|
683 |
fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab7
|
684 685 686 |
} break; #endif /* CONFIG_BMP_32BPP */ |
a303dfb0e
|
687 688 689 |
default: break; }; |
8655b6f86
|
690 |
|
9a8efc460
|
691 |
lcd_sync(); |
8f47d917c
|
692 |
return 0; |
8655b6f86
|
693 |
} |
c3517f919
|
694 |
#endif |
8655b6f86
|
695 |
|
7bf71d1f5
|
696 |
static void lcd_logo(void) |
8655b6f86
|
697 |
{ |
bf21a5deb
|
698 |
lcd_logo_plot(0, 0); |
8655b6f86
|
699 |
|
6b59e03e0
|
700 |
#ifdef CONFIG_LCD_INFO |
140beb943
|
701 702 |
lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); |
6b59e03e0
|
703 704 |
lcd_show_board_info(); #endif /* CONFIG_LCD_INFO */ |
8655b6f86
|
705 |
} |
c08804853
|
706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 |
#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 "); return -1; } return 0; } U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); #endif |
395166cff
|
730 731 732 733 734 735 736 737 738 |
int lcd_get_pixel_width(void) { return panel_info.vl_col; } int lcd_get_pixel_height(void) { return panel_info.vl_row; } |