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_ */ 224