2 * MPC823 and PXA LCD Controller
4 * Modeled after video interface by Paolo Scaffardi
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 * SPDX-License-Identifier: GPL-2.0+
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>
21 int bmp_display(ulong addr, int x, int y);
22 struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
25 #ifndef CONFIG_DM_VIDEO
27 extern char lcd_is_enabled;
28 extern int lcd_line_length;
29 extern struct vidinfo panel_info;
31 void lcd_ctrl_init(void *lcdbase);
32 void lcd_enable(void);
33 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue);
36 * Set whether we need to flush the dcache when changing the LCD image. This
39 * @param flush non-zero to flush cache after update, 0 to skip
41 void lcd_set_flush_dcache(int flush);
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
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>
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 */
62 static __maybe_unused ushort *configuration_get_cmap(void)
64 return panel_info.cmap;
68 ushort *configuration_get_cmap(void);
70 extern vidinfo_t panel_info;
72 void lcd_putc(const char c);
73 void lcd_puts(const char *s);
74 void lcd_printf(const char *fmt, ...);
76 int lcd_display_bitmap(ulong bmp_image, int x, int y);
79 * Get the width of the LCD in pixels
81 * @return width of LCD in pixels
83 int lcd_get_pixel_width(void);
86 * Get the height of the LCD in pixels
88 * @return height of LCD in pixels
90 int lcd_get_pixel_height(void);
93 * Get the number of text lines/rows on the LCD
95 * @return number of rows
97 int lcd_get_screen_rows(void);
100 * Get the number of text columns on the LCD
102 * @return number of columns
104 int lcd_get_screen_columns(void);
107 * Get the background color of the LCD
109 * @return background color value
111 int lcd_getbgcolor(void);
114 * Get the foreground color of the LCD
116 * @return foreground color value
118 int lcd_getfgcolor(void);
121 * Set the position of the text cursor
123 * @param col Column to place cursor (0 = left side)
124 * @param row Row to place cursor (0 = top line)
126 void lcd_position_cursor(unsigned col, unsigned row);
128 /* Allow boards to customize the information displayed */
129 void lcd_show_board_info(void);
131 /* Return the size of the LCD frame buffer, and the line length */
132 int lcd_get_size(int *line_length);
134 /* Update the LCD / flush the cache */
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.
142 #define CONFIG_SYS_HIGH 0 /* Pins are active high */
143 #define CONFIG_SYS_LOW 1 /* Pins are active low */
145 #define LCD_MONOCHROME 0
149 #define LCD_COLOR16 4
150 #define LCD_COLOR32 5
152 #if defined(CONFIG_LCD_INFO_BELOW_LOGO)
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
159 #define LCD_INFO_X VIDEO_FONT_WIDTH
160 #define LCD_INFO_Y VIDEO_FONT_HEIGHT
163 /* Default to 8bpp if bit depth not specified */
165 #define LCD_BPP LCD_COLOR8
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))
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 */
209 #if LCD_BPP == LCD_COLOR16
210 #define fbptr_t ushort
211 #elif LCD_BPP == LCD_COLOR32
214 #define fbptr_t uchar
218 #define PAGE_SIZE 4096
221 #endif /* !CONFIG_DM_VIDEO */