LXR uboot/include/lcd.h

   1/*
   2 * MPC823 and PXA LCD Controller
   3 *
   4 * Modeled after video interface by Paolo Scaffardi
   5 *
   6 *
   7 * (C) Copyright 2001
   8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   9 *
  10 * SPDX-License-Identifier:     GPL-2.0+
  11 */
  12
  13#ifndef _LCD_H_
  14#define _LCD_H_
  15#include <lcd_console.h>
  16#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
  17#include <bmp_layout.h>
  18#include <asm/byteorder.h>
  19#endif
  20
  21int bmp_display(ulong addr, int x, int y);
  22struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
  23                             void **alloc_addr);
  24
  25#ifndef CONFIG_DM_VIDEO
  26
  27extern char lcd_is_enabled;
  28extern int lcd_line_length;
  29extern struct vidinfo panel_info;
  30
  31void lcd_ctrl_init(void *lcdbase);
  32void lcd_enable(void);
  33void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue);
  34
  35/**
  36 * Set whether we need to flush the dcache when changing the LCD image. This
  37 * defaults to off.
  38 *
  39 * @param flush         non-zero to flush cache after update, 0 to skip
  40 */
  41void lcd_set_flush_dcache(int flush);
  42
  43#if defined CONFIG_MPC823
  44#include <mpc823_lcd.h>
  45#elif defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
  46        defined CONFIG_CPU_MONAHANS
  47#include <pxa_lcd.h>
  48#elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
  49#include <atmel_lcd.h>
  50#elif defined(CONFIG_EXYNOS_FB)
  51#include <exynos_lcd.h>
  52#else
  53typedef struct vidinfo {
  54        ushort  vl_col;         /* Number of columns (i.e. 160) */
  55        ushort  vl_row;         /* Number of rows (i.e. 100) */
  56        ushort  vl_rot;         /* Rotation of Display (0, 1, 2, 3) */
  57        u_char  vl_bpix;        /* Bits per pixel, 0 = 1 */
  58        ushort  *cmap;          /* Pointer to the colormap */
  59        void    *priv;          /* Pointer to driver-specific data */
  60} vidinfo_t;
  61
  62static __maybe_unused ushort *configuration_get_cmap(void)
  63{
  64        return panel_info.cmap;
  65}
  66#endif
  67
  68ushort *configuration_get_cmap(void);
  69
  70extern vidinfo_t panel_info;
  71
  72void lcd_putc(const char c);
  73void lcd_puts(const char *s);
  74void lcd_printf(const char *fmt, ...);
  75void lcd_clear(void);
  76int lcd_display_bitmap(ulong bmp_image, int x, int y);
  77
  78/**
  79 * Get the width of the LCD in pixels
  80 *
  81 * @return width of LCD in pixels
  82 */
  83int lcd_get_pixel_width(void);
  84
  85/**
  86 * Get the height of the LCD in pixels
  87 *
  88 * @return height of LCD in pixels
  89 */
  90int lcd_get_pixel_height(void);
  91
  92/**
  93 * Get the number of text lines/rows on the LCD
  94 *
  95 * @return number of rows
  96 */
  97int lcd_get_screen_rows(void);
  98
  99/**
 100 * Get the number of text columns on the LCD
 101 *
 102 * @return number of columns
 103 */
 104int lcd_get_screen_columns(void);
 105
 106/**
 107 * Get the background color of the LCD
 108 *
 109 * @return background color value
 110 */
 111int lcd_getbgcolor(void);
 112
 113/**
 114 * Get the foreground color of the LCD
 115 *
 116 * @return foreground color value
 117 */
 118int lcd_getfgcolor(void);
 119
 120/**
 121 * Set the position of the text cursor
 122 *
 123 * @param col   Column to place cursor (0 = left side)
 124 * @param row   Row to place cursor (0 = top line)
 125 */
 126void lcd_position_cursor(unsigned col, unsigned row);
 127
 128/* Allow boards to customize the information displayed */
 129void lcd_show_board_info(void);
 130
 131/* Return the size of the LCD frame buffer, and the line length */
 132int lcd_get_size(int *line_length);
 133
 134/* Update the LCD / flush the cache */
 135void lcd_sync(void);
 136
 137/*
 138 *  Information about displays we are using. This is for configuring
 139 *  the LCD controller and memory allocation. Someone has to know what
 140 *  is connected, as we can't autodetect anything.
 141 */
 142#define CONFIG_SYS_HIGH 0       /* Pins are active high                 */
 143#define CONFIG_SYS_LOW  1       /* Pins are active low                  */
 144
 145#define LCD_MONOCHROME  0
 146#define LCD_COLOR2      1
 147#define LCD_COLOR4      2
 148#define LCD_COLOR8      3
 149#define LCD_COLOR16     4
 150#define LCD_COLOR32     5
 151
 152#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
 153#define LCD_INFO_X              0
 154#define LCD_INFO_Y              (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
 155#elif defined(CONFIG_LCD_LOGO)
 156#define LCD_INFO_X              (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
 157#define LCD_INFO_Y              VIDEO_FONT_HEIGHT
 158#else
 159#define LCD_INFO_X              VIDEO_FONT_WIDTH
 160#define LCD_INFO_Y              VIDEO_FONT_HEIGHT
 161#endif
 162
 163/* Default to 8bpp if bit depth not specified */
 164#ifndef LCD_BPP
 165#define LCD_BPP                 LCD_COLOR8
 166#endif
 167
 168#ifndef LCD_DF
 169#define LCD_DF                  1
 170#endif
 171
 172/* Calculate nr. of bits per pixel  and nr. of colors */
 173#define NBITS(bit_code)         (1 << (bit_code))
 174#define NCOLORS(bit_code)       (1 << NBITS(bit_code))
 175
 176#if LCD_BPP == LCD_COLOR8
 177# define CONSOLE_COLOR_BLACK    0
 178# define CONSOLE_COLOR_RED      1
 179# define CONSOLE_COLOR_GREEN    2
 180# define CONSOLE_COLOR_YELLOW   3
 181# define CONSOLE_COLOR_BLUE     4
 182# define CONSOLE_COLOR_MAGENTA  5
 183# define CONSOLE_COLOR_CYAN     6
 184# define CONSOLE_COLOR_GREY     14
 185# define CONSOLE_COLOR_WHITE    15              /* Must remain last / highest */
 186#elif LCD_BPP == LCD_COLOR32
 187#define CONSOLE_COLOR_RED       0x00ff0000
 188#define CONSOLE_COLOR_GREEN     0x0000ff00
 189#define CONSOLE_COLOR_YELLOW    0x00ffff00
 190#define CONSOLE_COLOR_BLUE      0x000000ff
 191#define CONSOLE_COLOR_MAGENTA   0x00ff00ff
 192#define CONSOLE_COLOR_CYAN      0x0000ffff
 193#define CONSOLE_COLOR_GREY      0x00aaaaaa
 194#define CONSOLE_COLOR_BLACK     0x00000000
 195#define CONSOLE_COLOR_WHITE     0x00ffffff      /* Must remain last / highest */
 196#define NBYTES(bit_code)        (NBITS(bit_code) >> 3)
 197#else /* 16bpp color definitions */
 198# define CONSOLE_COLOR_BLACK    0x0000
 199# define CONSOLE_COLOR_RED      0xF800
 200# define CONSOLE_COLOR_GREEN    0x07E0
 201# define CONSOLE_COLOR_YELLOW   0xFFE0
 202# define CONSOLE_COLOR_BLUE     0x001F
 203# define CONSOLE_COLOR_MAGENTA  0xF81F
 204# define CONSOLE_COLOR_CYAN     0x07FF
 205# define CONSOLE_COLOR_GREY     0xC618
 206# define CONSOLE_COLOR_WHITE    0xffff          /* Must remain last / highest */
 207#endif /* color definitions */
 208
 209#if LCD_BPP == LCD_COLOR16
 210#define fbptr_t ushort
 211#elif LCD_BPP == LCD_COLOR32
 212#define fbptr_t u32
 213#else
 214#define fbptr_t uchar
 215#endif
 216
 217#ifndef PAGE_SIZE
 218#define PAGE_SIZE       4096
 219#endif
 220
 221#endif /* !CONFIG_DM_VIDEO */
 222
 223#endif  /* _LCD_H_ */
 224