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
  21 int bmp_display(ulong addr, int x, int y);
  22 struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
  23                              void **alloc_addr);
  24
  25 #ifndef CONFIG_DM_VIDEO
  26
  27 extern char lcd_is_enabled;
  28 extern int lcd_line_length;
  29 extern struct vidinfo panel_info;
  30
  31 void lcd_ctrl_init(void *lcdbase);
  32 void lcd_enable(void);
  33 void 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  */
  41 void 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
  53 typedef 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
  62 static __maybe_unused ushort *configuration_get_cmap(void)
  63 {
  64         return panel_info.cmap;
  65 }
  66 #endif
  67
  68 ushort *configuration_get_cmap(void);
  69
  70 extern vidinfo_t panel_info;
  71
  72 void lcd_putc(const char c);
  73 void lcd_puts(const char *s);
  74 void lcd_printf(const char *fmt, ...);
  75 void lcd_clear(void);
  76 int 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  */
  83 int 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  */
  90 int 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  */
  97 int lcd_get_screen_rows(void);
  98
  99 /**
 100  * Get the number of text columns on the LCD
 101  *
 102  * @return number of columns
 103  */
 104 int lcd_get_screen_columns(void);
 105
 106 /**
 107  * Get the background color of the LCD
 108  *
 109  * @return background color value
 110  */
 111 int lcd_getbgcolor(void);
 112
 113 /**
 114  * Get the foreground color of the LCD
 115  *
 116  * @return foreground color value
 117  */
 118 int 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  */
 126 void lcd_position_cursor(unsigned col, unsigned row);
 127
 128 /* Allow boards to customize the information displayed */
 129 void lcd_show_board_info(void);
 130
 131 /* Return the size of the LCD frame buffer, and the line length */
 132 int lcd_get_size(int *line_length);
 133
 134 /* Update the LCD / flush the cache */
 135 void 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_ */