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_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
  44        defined CONFIG_CPU_MONAHANS
  45#include <pxa_lcd.h>
  46#elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
  47#include <atmel_lcd.h>
  48#elif defined(CONFIG_EXYNOS_FB)
  49#include <exynos_lcd.h>
  50#else
  51typedef struct vidinfo {
  52        ushort  vl_col;         /* Number of columns (i.e. 160) */
  53        ushort  vl_row;         /* Number of rows (i.e. 100) */
  54        ushort  vl_rot;         /* Rotation of Display (0, 1, 2, 3) */
  55        u_char  vl_bpix;        /* Bits per pixel, 0 = 1 */
  56        ushort  *cmap;          /* Pointer to the colormap */
  57        void    *priv;          /* Pointer to driver-specific data */
  58} vidinfo_t;
  59
  60static __maybe_unused ushort *configuration_get_cmap(void)
  61{
  62        return panel_info.cmap;
  63}
  64#endif
  65
  66ushort *configuration_get_cmap(void);
  67
  68extern vidinfo_t panel_info;
  69
  70void lcd_putc(const char c);
  71void lcd_puts(const char *s);
  72void lcd_printf(const char *fmt, ...);
  73void lcd_clear(void);
  74int lcd_display_bitmap(ulong bmp_image, int x, int y);
  75
  76/**
  77 * Get the width of the LCD in pixels
  78 *
  79 * @return width of LCD in pixels
  80 */
  81int lcd_get_pixel_width(void);
  82
  83/**
  84 * Get the height of the LCD in pixels
  85 *
  86 * @return height of LCD in pixels
  87 */
  88int lcd_get_pixel_height(void);
  89
  90/**
  91 * Get the number of text lines/rows on the LCD
  92 *
  93 * @return number of rows
  94 */
  95int lcd_get_screen_rows(void);
  96
  97/**
  98 * Get the number of text columns on the LCD
  99 *
 100 * @return number of columns
 101 */
 102int lcd_get_screen_columns(void);
 103
 104/**
 105 * Get the background color of the LCD
 106 *
 107 * @return background color value
 108 */
 109int lcd_getbgcolor(void);
 110
 111/**
 112 * Get the foreground color of the LCD
 113 *
 114 * @return foreground color value
 115 */
 116int lcd_getfgcolor(void);
 117
 118/**
 119 * Set the position of the text cursor
 120 *
 121 * @param col   Column to place cursor (0 = left side)
 122 * @param row   Row to place cursor (0 = top line)
 123 */
 124void lcd_position_cursor(unsigned col, unsigned row);
 125
 126/* Allow boards to customize the information displayed */
 127void lcd_show_board_info(void);
 128
 129/* Return the size of the LCD frame buffer, and the line length */
 130int lcd_get_size(int *line_length);
 131
 132/* Update the LCD / flush the cache */
 133void lcd_sync(void);
 134
 135/*
 136 *  Information about displays we are using. This is for configuring
 137 *  the LCD controller and memory allocation. Someone has to know what
 138 *  is connected, as we can't autodetect anything.
 139 */
 140#define CONFIG_SYS_HIGH 0       /* Pins are active high                 */
 141#define CONFIG_SYS_LOW  1       /* Pins are active low                  */
 142
 143#define LCD_MONOCHROME  0
 144#define LCD_COLOR2      1
 145#define LCD_COLOR4      2
 146#define LCD_COLOR8      3
 147#define LCD_COLOR16     4
 148#define LCD_COLOR32     5
 149
 150#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
 151#define LCD_INFO_X              0
 152#define LCD_INFO_Y              (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
 153#elif defined(CONFIG_LCD_LOGO)
 154#define LCD_INFO_X              (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
 155#define LCD_INFO_Y              VIDEO_FONT_HEIGHT
 156#else
 157#define LCD_INFO_X              VIDEO_FONT_WIDTH
 158#define LCD_INFO_Y              VIDEO_FONT_HEIGHT
 159#endif
 160
 161/* Default to 8bpp if bit depth not specified */
 162#ifndef LCD_BPP
 163#define LCD_BPP                 LCD_COLOR8
 164#endif
 165
 166#ifndef LCD_DF
 167#define LCD_DF                  1
 168#endif
 169
 170/* Calculate nr. of bits per pixel  and nr. of colors */
 171#define NBITS(bit_code)         (1 << (bit_code))
 172#define NCOLORS(bit_code)       (1 << NBITS(bit_code))
 173
 174#if LCD_BPP == LCD_COLOR8
 175# define CONSOLE_COLOR_BLACK    0
 176# define CONSOLE_COLOR_RED      1
 177# define CONSOLE_COLOR_GREEN    2
 178# define CONSOLE_COLOR_YELLOW   3
 179# define CONSOLE_COLOR_BLUE     4
 180# define CONSOLE_COLOR_MAGENTA  5
 181# define CONSOLE_COLOR_CYAN     6
 182# define CONSOLE_COLOR_GREY     14
 183# define CONSOLE_COLOR_WHITE    15              /* Must remain last / highest */
 184#elif LCD_BPP == LCD_COLOR32
 185#define CONSOLE_COLOR_RED       0x00ff0000
 186#define CONSOLE_COLOR_GREEN     0x0000ff00
 187#define CONSOLE_COLOR_YELLOW    0x00ffff00
 188#define CONSOLE_COLOR_BLUE      0x000000ff
 189#define CONSOLE_COLOR_MAGENTA   0x00ff00ff
 190#define CONSOLE_COLOR_CYAN      0x0000ffff
 191#define CONSOLE_COLOR_GREY      0x00aaaaaa
 192#define CONSOLE_COLOR_BLACK     0x00000000
 193#define CONSOLE_COLOR_WHITE     0x00ffffff      /* Must remain last / highest */
 194#define NBYTES(bit_code)        (NBITS(bit_code) >> 3)
 195#else /* 16bpp color definitions */
 196# define CONSOLE_COLOR_BLACK    0x0000
 197# define CONSOLE_COLOR_RED      0xF800
 198# define CONSOLE_COLOR_GREEN    0x07E0
 199# define CONSOLE_COLOR_YELLOW   0xFFE0
 200# define CONSOLE_COLOR_BLUE     0x001F
 201# define CONSOLE_COLOR_MAGENTA  0xF81F
 202# define CONSOLE_COLOR_CYAN     0x07FF
 203# define CONSOLE_COLOR_GREY     0xC618
 204# define CONSOLE_COLOR_WHITE    0xffff          /* Must remain last / highest */
 205#endif /* color definitions */
 206
 207#if LCD_BPP == LCD_COLOR16
 208#define fbptr_t ushort
 209#elif LCD_BPP == LCD_COLOR32
 210#define fbptr_t u32
 211#else
 212#define fbptr_t uchar
 213#endif
 214
 215#ifndef PAGE_SIZE
 216#define PAGE_SIZE       4096
 217#endif
 218
 219#endif /* !CONFIG_DM_VIDEO */
 220
 221#endif  /* _LCD_H_ */
 222