diff options
| -rw-r--r-- | common/lcd.c | 90 | ||||
| -rw-r--r-- | include/lcd.h | 102 |
2 files changed, 49 insertions, 143 deletions
diff --git a/common/lcd.c b/common/lcd.c index 7a51923..06eec45 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -1,5 +1,5 @@ /* - * Common LCD routines for supported CPUs + * Common LCD routines * * (C) Copyright 2001-2002 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de @@ -7,12 +7,7 @@ * SPDX-License-Identifier: GPL-2.0+ */ -/************************************************************************/ -/* ** HEADER FILES */ -/************************************************************************/ - /* #define DEBUG */ - #include <config.h> #include <common.h> #include <command.h> @@ -26,25 +21,18 @@ #include <asm/io.h> #include <asm/unaligned.h> #include <fdt_support.h> +#include <video_font.h> #if defined(CONFIG_LCD_DT_SIMPLEFB) #include <libfdt.h> #endif -/************************************************************************/ -/* ** FONT DATA */ -/************************************************************************/ -#include <video_font.h> /* Get font data, width and height */ - -/************************************************************************/ -/* ** LOGO DATA */ -/************************************************************************/ #ifdef CONFIG_LCD_LOGO -# include <bmp_logo.h> /* Get logo data, width and height */ -# 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 +#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 #endif #ifdef CONFIG_SANDBOX @@ -57,30 +45,23 @@ #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ (LCD_BPP != LCD_COLOR32) -# error Unsupported LCD BPP. +#error Unsupported LCD BPP. #endif DECLARE_GLOBAL_DATA_PTR; static int lcd_init(void *lcdbase); - static void *lcd_logo(void); - static void lcd_setfgcolor(int color); static void lcd_setbgcolor(int color); static int lcd_color_fg; static int lcd_color_bg; int lcd_line_length; - char lcd_is_enabled = 0; - static void *lcd_base; /* Start of framebuffer memory */ - static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ -/************************************************************************/ - /* Flush LCD activity to the caches */ void lcd_sync(void) { @@ -110,8 +91,6 @@ void lcd_set_flush_dcache(int flush) lcd_flush_dcache = (flush != 0); } -/*----------------------------------------------------------------------*/ - static void lcd_stub_putc(struct stdio_dev *dev, const char c) { lcd_putc(c); @@ -122,9 +101,7 @@ static void lcd_stub_puts(struct stdio_dev *dev, const char *s) lcd_puts(s); } -/************************************************************************/ -/** Small utility to check that you got the colours right */ -/************************************************************************/ +/* Small utility to check that you got the colours right */ #ifdef LCD_TEST_PATTERN #define N_BLK_VERT 2 @@ -158,10 +135,6 @@ static void test_pattern(void) } #endif /* LCD_TEST_PATTERN */ - -/************************************************************************/ -/* ** GENERIC Initialization Routines */ -/************************************************************************/ /* * With most lcd drivers the line length is set up * by calculating it from panel_info parameters. Some @@ -181,7 +154,7 @@ int drv_lcd_init(void) lcd_base = map_sysmem(gd->fb_base, 0); - lcd_init(lcd_base); /* LCD initialization */ + lcd_init(lcd_base); /* Device initialization */ memset(&lcddev, 0, sizeof(lcddev)); @@ -197,7 +170,6 @@ int drv_lcd_init(void) return (rc == 0) ? 1 : rc; } -/*----------------------------------------------------------------------*/ void lcd_clear(void) { short console_rows, console_cols; @@ -261,20 +233,11 @@ static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, lcd_clear(); return 0; } - -U_BOOT_CMD( - cls, 1, 1, do_lcd_clear, - "clear screen", - "" -); - -/*----------------------------------------------------------------------*/ +U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", ""); static int lcd_init(void *lcdbase) { - /* Initialize the lcd controller */ debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); - lcd_ctrl_init(lcdbase); /* @@ -304,10 +267,6 @@ static int lcd_init(void *lcdbase) return 0; } - -/************************************************************************/ -/* ** ROM capable initialization part - needed to reserve FB memory */ -/************************************************************************/ /* * This is called early in the system initialization to grab memory * for the LCD controller. @@ -338,8 +297,6 @@ ulong lcd_setmem(ulong addr) return addr; } -/*----------------------------------------------------------------------*/ - static void lcd_setfgcolor(int color) { lcd_color_fg = color; @@ -350,8 +307,6 @@ int lcd_getfgcolor(void) return lcd_color_fg; } -/*----------------------------------------------------------------------*/ - static void lcd_setbgcolor(int color) { lcd_color_bg = color; @@ -362,10 +317,6 @@ int lcd_getbgcolor(void) return lcd_color_bg; } -/************************************************************************/ -/* ** Chipset depending Bitmap / Logo stuff... */ -/************************************************************************/ - #ifdef CONFIG_LCD_LOGO __weak void lcd_logo_set_cmap(void) { @@ -379,17 +330,14 @@ __weak void lcd_logo_set_cmap(void) void bitmap_plot(int x, int y) { ushort i, j; - uchar *bmap; - uchar *fb; - ushort *fb16; + uchar *bmap = &bmp_logo_bitmap[0]; unsigned bpix = NBITS(panel_info.vl_bpix); + uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); + ushort *fb16; debug("Logo: width %d height %d colors %d\n", BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); - bmap = &bmp_logo_bitmap[0]; - fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); - if (bpix < 12) { WATCHDOG_RESET(); lcd_logo_set_cmap(); @@ -424,13 +372,7 @@ void bitmap_plot(int x, int y) static inline void bitmap_plot(int x, int y) {} #endif /* CONFIG_LCD_LOGO */ -/*----------------------------------------------------------------------*/ #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) -/* - * Display the BMP file located at address bmp_image. - * Only uncompressed. - */ - #ifdef CONFIG_SPLASH_SCREEN_ALIGN #define BMP_ALIGN_CENTER 0x7FFF @@ -451,9 +393,7 @@ static void splash_align_axis(int *axis, unsigned long panel_size, } #endif - #ifdef CONFIG_LCD_BMP_RLE8 - #define BMP_RLE8_ESCAPE 0 #define BMP_RLE8_EOL 0 #define BMP_RLE8_EOBMP 1 @@ -683,7 +623,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) (y + height - 1) * lcd_line_length + x * bpix / 8); switch (bmp_bpix) { - case 1: /* pass through */ + case 1: case 8: { cmap_base = configuration_get_cmap(); #ifdef CONFIG_LCD_BMP_RLE8 diff --git a/include/lcd.h b/include/lcd.h index 4ada617..b042320 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -13,21 +13,19 @@ #ifndef _LCD_H_ #define _LCD_H_ #include <lcd_console.h> +#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) +#include <bmp_layout.h> +#include <asm/byteorder.h> +#endif extern char lcd_is_enabled; - extern int lcd_line_length; - extern struct vidinfo panel_info; void lcd_ctrl_init(void *lcdbase); void lcd_enable(void); - -/* setcolreg used in 8bpp/16bpp; initcolregs used in monochrome */ void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue); -void lcd_initcolregs(void); -/* gunzip_bmp used if CONFIG_VIDEO_BMP_GZIP */ struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp, void **alloc_addr); int bmp_display(ulong addr, int x, int y); @@ -53,11 +51,8 @@ void lcd_set_flush_dcache(int flush); typedef struct vidinfo { ushort vl_col; /* Number of columns (i.e. 160) */ ushort vl_row; /* Number of rows (i.e. 100) */ - u_char vl_bpix; /* Bits per pixel, 0 = 1 */ - ushort *cmap; /* Pointer to the colormap */ - void *priv; /* Pointer to driver-specific data */ } vidinfo_t; @@ -71,13 +66,11 @@ ushort *configuration_get_cmap(void); extern vidinfo_t panel_info; -/* Video functions */ - -void lcd_putc(const char c); -void lcd_puts(const char *s); -void lcd_printf(const char *fmt, ...); -void lcd_clear(void); -int lcd_display_bitmap(ulong bmp_image, int x, int y); +void lcd_putc(const char c); +void lcd_puts(const char *s); +void lcd_printf(const char *fmt, ...); +void lcd_clear(void); +int lcd_display_bitmap(ulong bmp_image, int x, int y); /** * Get the width of the LCD in pixels @@ -141,14 +134,6 @@ int lcd_dt_simplefb_enable_existing_node(void *blob); /* Update the LCD / flush the cache */ void lcd_sync(void); -/************************************************************************/ -/* ** BITMAP DISPLAY SUPPORT */ -/************************************************************************/ -#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) -# include <bmp_layout.h> -# include <asm/byteorder.h> -#endif - /* * Information about displays we are using. This is for configuring * the LCD controller and memory allocation. Someone has to know what @@ -163,38 +148,32 @@ void lcd_sync(void); #define LCD_COLOR8 3 #define LCD_COLOR16 4 #define LCD_COLOR32 5 -/*----------------------------------------------------------------------*/ + #if defined(CONFIG_LCD_INFO_BELOW_LOGO) -# define LCD_INFO_X 0 -# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT) +#define LCD_INFO_X 0 +#define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT) #elif defined(CONFIG_LCD_LOGO) -# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH) -# define LCD_INFO_Y VIDEO_FONT_HEIGHT +#define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH) +#define LCD_INFO_Y VIDEO_FONT_HEIGHT #else -# define LCD_INFO_X VIDEO_FONT_WIDTH -# define LCD_INFO_Y VIDEO_FONT_HEIGHT +#define LCD_INFO_X VIDEO_FONT_WIDTH +#define LCD_INFO_Y VIDEO_FONT_HEIGHT #endif /* Default to 8bpp if bit depth not specified */ #ifndef LCD_BPP -# define LCD_BPP LCD_COLOR8 +#define LCD_BPP LCD_COLOR8 #endif + #ifndef LCD_DF -# define LCD_DF 1 +#define LCD_DF 1 #endif /* Calculate nr. of bits per pixel and nr. of colors */ #define NBITS(bit_code) (1 << (bit_code)) #define NCOLORS(bit_code) (1 << NBITS(bit_code)) -/************************************************************************/ -/* ** CONSOLE CONSTANTS */ -/************************************************************************/ #if LCD_BPP == LCD_COLOR8 - -/* - * 8bpp color definitions - */ # define CONSOLE_COLOR_BLACK 0 # define CONSOLE_COLOR_RED 1 # define CONSOLE_COLOR_GREEN 2 @@ -203,38 +182,25 @@ void lcd_sync(void); # define CONSOLE_COLOR_MAGENTA 5 # define CONSOLE_COLOR_CYAN 6 # define CONSOLE_COLOR_GREY 14 -# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */ - +# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */ #elif LCD_BPP == LCD_COLOR32 -/* - * 32bpp color definitions - */ -# define CONSOLE_COLOR_RED 0x00ff0000 -# define CONSOLE_COLOR_GREEN 0x0000ff00 -# define CONSOLE_COLOR_YELLOW 0x00ffff00 -# define CONSOLE_COLOR_BLUE 0x000000ff -# define CONSOLE_COLOR_MAGENTA 0x00ff00ff -# define CONSOLE_COLOR_CYAN 0x0000ffff -# define CONSOLE_COLOR_GREY 0x00aaaaaa -# define CONSOLE_COLOR_BLACK 0x00000000 -# define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest*/ -# define NBYTES(bit_code) (NBITS(bit_code) >> 3) - -#else - -/* - * 16bpp color definitions - */ -# define CONSOLE_COLOR_BLACK 0x0000 -# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */ - +#define CONSOLE_COLOR_RED 0x00ff0000 +#define CONSOLE_COLOR_GREEN 0x0000ff00 +#define CONSOLE_COLOR_YELLOW 0x00ffff00 +#define CONSOLE_COLOR_BLUE 0x000000ff +#define CONSOLE_COLOR_MAGENTA 0x00ff00ff +#define CONSOLE_COLOR_CYAN 0x0000ffff +#define CONSOLE_COLOR_GREY 0x00aaaaaa +#define CONSOLE_COLOR_BLACK 0x00000000 +#define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest */ +#define NBYTES(bit_code) (NBITS(bit_code) >> 3) +#else /* 16bpp color definitions */ +#define CONSOLE_COLOR_BLACK 0x0000 +#define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */ #endif /* color definitions */ -/************************************************************************/ #ifndef PAGE_SIZE -# define PAGE_SIZE 4096 +#define PAGE_SIZE 4096 #endif -/************************************************************************/ - #endif /* _LCD_H_ */ |