| /* |
| * MPC823 and PXA LCD Controller |
| * |
| * Modeled after video interface by Paolo Scaffardi |
| * |
| * |
| * (C) Copyright 2001 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef _LCD_H_ |
| #define _LCD_H_ |
| #include <lcd_console.h> |
| |
| 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); |
| |
| /** |
| * Set whether we need to flush the dcache when changing the LCD image. This |
| * defaults to off. |
| * |
| * @param flush non-zero to flush cache after update, 0 to skip |
| */ |
| void lcd_set_flush_dcache(int flush); |
| |
| #if defined CONFIG_MPC823 |
| #include <mpc823_lcd.h> |
| #elif defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ |
| defined CONFIG_CPU_MONAHANS |
| #include <pxa_lcd.h> |
| #elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD) |
| #include <atmel_lcd.h> |
| #elif defined(CONFIG_EXYNOS_FB) |
| #include <exynos_lcd.h> |
| #else |
| 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; |
| |
| static __maybe_unused ushort *configuration_get_cmap(void) |
| { |
| return panel_info.cmap; |
| } |
| #endif |
| |
| 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); |
| |
| /** |
| * Get the width of the LCD in pixels |
| * |
| * @return width of LCD in pixels |
| */ |
| int lcd_get_pixel_width(void); |
| |
| /** |
| * Get the height of the LCD in pixels |
| * |
| * @return height of LCD in pixels |
| */ |
| int lcd_get_pixel_height(void); |
| |
| /** |
| * Get the number of text lines/rows on the LCD |
| * |
| * @return number of rows |
| */ |
| int lcd_get_screen_rows(void); |
| |
| /** |
| * Get the number of text columns on the LCD |
| * |
| * @return number of columns |
| */ |
| int lcd_get_screen_columns(void); |
| |
| /** |
| * Get the background color of the LCD |
| * |
| * @return background color value |
| */ |
| int lcd_getbgcolor(void); |
| |
| /** |
| * Get the foreground color of the LCD |
| * |
| * @return foreground color value |
| */ |
| int lcd_getfgcolor(void); |
| |
| /** |
| * Set the position of the text cursor |
| * |
| * @param col Column to place cursor (0 = left side) |
| * @param row Row to place cursor (0 = top line) |
| */ |
| void lcd_position_cursor(unsigned col, unsigned row); |
| |
| /* Allow boards to customize the information displayed */ |
| void lcd_show_board_info(void); |
| |
| /* Return the size of the LCD frame buffer, and the line length */ |
| int lcd_get_size(int *line_length); |
| |
| int lcd_dt_simplefb_add_node(void *blob); |
| 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 |
| * is connected, as we can't autodetect anything. |
| */ |
| #define CONFIG_SYS_HIGH 0 /* Pins are active high */ |
| #define CONFIG_SYS_LOW 1 /* Pins are active low */ |
| |
| #define LCD_MONOCHROME 0 |
| #define LCD_COLOR2 1 |
| #define LCD_COLOR4 2 |
| #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) |
| #elif defined(CONFIG_LCD_LOGO) |
| # 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 |
| #endif |
| |
| /* Default to 8bpp if bit depth not specified */ |
| #ifndef LCD_BPP |
| # define LCD_BPP LCD_COLOR8 |
| #endif |
| #ifndef LCD_DF |
| # 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 |
| # define CONSOLE_COLOR_YELLOW 3 |
| # define CONSOLE_COLOR_BLUE 4 |
| # define CONSOLE_COLOR_MAGENTA 5 |
| # define CONSOLE_COLOR_CYAN 6 |
| # define CONSOLE_COLOR_GREY 14 |
| # 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 */ |
| |
| #endif /* color definitions */ |
| |
| /************************************************************************/ |
| #ifndef PAGE_SIZE |
| # define PAGE_SIZE 4096 |
| #endif |
| |
| /************************************************************************/ |
| |
| #endif /* _LCD_H_ */ |