224 lines
5.5 KiB
C
224 lines
5.5 KiB
C
/*
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* MPC823 and PXA LCD Controller
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*
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* Modeled after video interface by Paolo Scaffardi
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*
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*
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* (C) Copyright 2001
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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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#ifndef _LCD_H_
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#define _LCD_H_
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#include <lcd_console.h>
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#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
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#include <bmp_layout.h>
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#include <asm/byteorder.h>
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#endif
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int bmp_display(ulong addr, int x, int y);
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struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
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void **alloc_addr);
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#ifndef CONFIG_DM_VIDEO
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extern char lcd_is_enabled;
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extern int lcd_line_length;
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extern struct vidinfo panel_info;
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void lcd_ctrl_init(void *lcdbase);
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void lcd_enable(void);
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void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue);
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/**
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* Set whether we need to flush the dcache when changing the LCD image. This
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* defaults to off.
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*
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* @param flush non-zero to flush cache after update, 0 to skip
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*/
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void lcd_set_flush_dcache(int flush);
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#if defined CONFIG_MPC823
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#include <mpc823_lcd.h>
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#elif defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
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defined CONFIG_CPU_MONAHANS
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#include <pxa_lcd.h>
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#elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
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#include <atmel_lcd.h>
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#elif defined(CONFIG_EXYNOS_FB)
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#include <exynos_lcd.h>
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#else
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typedef struct vidinfo {
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ushort vl_col; /* Number of columns (i.e. 160) */
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ushort vl_row; /* Number of rows (i.e. 100) */
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ushort vl_rot; /* Rotation of Display (0, 1, 2, 3) */
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u_char vl_bpix; /* Bits per pixel, 0 = 1 */
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ushort *cmap; /* Pointer to the colormap */
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void *priv; /* Pointer to driver-specific data */
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} vidinfo_t;
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static __maybe_unused ushort *configuration_get_cmap(void)
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{
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return panel_info.cmap;
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}
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#endif
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ushort *configuration_get_cmap(void);
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extern vidinfo_t panel_info;
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void lcd_putc(const char c);
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void lcd_puts(const char *s);
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void lcd_printf(const char *fmt, ...);
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void lcd_clear(void);
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int lcd_display_bitmap(ulong bmp_image, int x, int y);
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/**
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* Get the width of the LCD in pixels
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*
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* @return width of LCD in pixels
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*/
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int lcd_get_pixel_width(void);
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/**
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* Get the height of the LCD in pixels
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*
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* @return height of LCD in pixels
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*/
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int lcd_get_pixel_height(void);
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/**
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* Get the number of text lines/rows on the LCD
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*
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* @return number of rows
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*/
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int lcd_get_screen_rows(void);
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/**
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* Get the number of text columns on the LCD
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*
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* @return number of columns
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*/
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int lcd_get_screen_columns(void);
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/**
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* Get the background color of the LCD
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*
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* @return background color value
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*/
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int lcd_getbgcolor(void);
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/**
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* Get the foreground color of the LCD
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*
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* @return foreground color value
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*/
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int lcd_getfgcolor(void);
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/**
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* Set the position of the text cursor
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*
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* @param col Column to place cursor (0 = left side)
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* @param row Row to place cursor (0 = top line)
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*/
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void lcd_position_cursor(unsigned col, unsigned row);
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/* Allow boards to customize the information displayed */
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void lcd_show_board_info(void);
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/* Return the size of the LCD frame buffer, and the line length */
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int lcd_get_size(int *line_length);
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/* Update the LCD / flush the cache */
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void lcd_sync(void);
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/*
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* Information about displays we are using. This is for configuring
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* the LCD controller and memory allocation. Someone has to know what
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* is connected, as we can't autodetect anything.
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*/
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#define CONFIG_SYS_HIGH 0 /* Pins are active high */
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#define CONFIG_SYS_LOW 1 /* Pins are active low */
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#define LCD_MONOCHROME 0
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#define LCD_COLOR2 1
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#define LCD_COLOR4 2
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#define LCD_COLOR8 3
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#define LCD_COLOR16 4
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#define LCD_COLOR32 5
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#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
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#define LCD_INFO_X 0
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#define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
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#elif defined(CONFIG_LCD_LOGO)
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#define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
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#define LCD_INFO_Y VIDEO_FONT_HEIGHT
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#else
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#define LCD_INFO_X VIDEO_FONT_WIDTH
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#define LCD_INFO_Y VIDEO_FONT_HEIGHT
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#endif
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/* Default to 8bpp if bit depth not specified */
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#ifndef LCD_BPP
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#define LCD_BPP LCD_COLOR8
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#endif
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#ifndef LCD_DF
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#define LCD_DF 1
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#endif
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/* Calculate nr. of bits per pixel and nr. of colors */
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#define NBITS(bit_code) (1 << (bit_code))
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#define NCOLORS(bit_code) (1 << NBITS(bit_code))
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#if LCD_BPP == LCD_COLOR8
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# define CONSOLE_COLOR_BLACK 0
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# define CONSOLE_COLOR_RED 1
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# define CONSOLE_COLOR_GREEN 2
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# define CONSOLE_COLOR_YELLOW 3
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# define CONSOLE_COLOR_BLUE 4
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# define CONSOLE_COLOR_MAGENTA 5
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# define CONSOLE_COLOR_CYAN 6
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# define CONSOLE_COLOR_GREY 14
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# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
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#elif LCD_BPP == LCD_COLOR32
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#define CONSOLE_COLOR_RED 0x00ff0000
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#define CONSOLE_COLOR_GREEN 0x0000ff00
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#define CONSOLE_COLOR_YELLOW 0x00ffff00
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#define CONSOLE_COLOR_BLUE 0x000000ff
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#define CONSOLE_COLOR_MAGENTA 0x00ff00ff
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#define CONSOLE_COLOR_CYAN 0x0000ffff
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#define CONSOLE_COLOR_GREY 0x00aaaaaa
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#define CONSOLE_COLOR_BLACK 0x00000000
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#define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest */
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#define NBYTES(bit_code) (NBITS(bit_code) >> 3)
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#else /* 16bpp color definitions */
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# define CONSOLE_COLOR_BLACK 0x0000
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# define CONSOLE_COLOR_RED 0xF800
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# define CONSOLE_COLOR_GREEN 0x07E0
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# define CONSOLE_COLOR_YELLOW 0xFFE0
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# define CONSOLE_COLOR_BLUE 0x001F
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# define CONSOLE_COLOR_MAGENTA 0xF81F
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# define CONSOLE_COLOR_CYAN 0x07FF
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# define CONSOLE_COLOR_GREY 0xC618
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# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
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#endif /* color definitions */
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#if LCD_BPP == LCD_COLOR16
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#define fbptr_t ushort
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#elif LCD_BPP == LCD_COLOR32
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#define fbptr_t u32
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#else
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#define fbptr_t uchar
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#endif
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#ifndef PAGE_SIZE
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#define PAGE_SIZE 4096
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#endif
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#endif /* !CONFIG_DM_VIDEO */
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#endif /* _LCD_H_ */
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