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_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
  51 typedef 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
  60 static __maybe_unused ushort *configuration_get_cmap(void)
  61 {
  62         return panel_info.cmap;
  63 }
  64 #endif
  65
  66 ushort *configuration_get_cmap(void);
  67
  68 extern vidinfo_t panel_info;
  69
  70 void lcd_putc(const char c);
  71 void lcd_puts(const char *s);
  72 void lcd_printf(const char *fmt, ...);
  73 void lcd_clear(void);
  74 int 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  */
  81 int 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  */
  88 int 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  */
  95 int lcd_get_screen_rows(void);
  96
  97 /**
  98  * Get the number of text columns on the LCD
  99  *
 100  * @return number of columns
 101  */
 102 int lcd_get_screen_columns(void);
 103
 104 /**
 105  * Get the background color of the LCD
 106  *
 107  * @return background color value
 108  */
 109 int lcd_getbgcolor(void);
 110
 111 /**
 112  * Get the foreground color of the LCD
 113  *
 114  * @return foreground color value
 115  */
 116 int 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  */
 124 void lcd_position_cursor(unsigned col, unsigned row);
 125
 126 /* Allow boards to customize the information displayed */
 127 void lcd_show_board_info(void);
 128
 129 /* Return the size of the LCD frame buffer, and the line length */
 130 int lcd_get_size(int *line_length);
 131
 132 /* Update the LCD / flush the cache */
 133 void 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_ */