LXR uboot/include/lcd.h

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