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
20 int bmp_display(ulong addr, int x, int y);
21 struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
22 void **alloc_addr);
23
24 #ifndef CONFIG_DM_VIDEO
25
26 extern char lcd_is_enabled;
27 extern int lcd_line_length;
28 extern struct vidinfo panel_info;
29
30 void lcd_ctrl_init(void *lcdbase);
31 void lcd_enable(void);
32 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue);
33
34 /**
35 * Set whether we need to flush the dcache when changing the LCD image. This
36 * defaults to off.
37 *
38 * @param flush non-zero to flush cache after update, 0 to skip
39 */
40 void lcd_set_flush_dcache(int flush);
41
42 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
43 defined CONFIG_CPU_MONAHANS
44 #include <pxa_lcd.h>
45 #elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
46 #include <atmel_lcd.h>
47 #elif defined(CONFIG_EXYNOS_FB)
48 #include <exynos_lcd.h>
49 #else
50 typedef struct vidinfo {
51 ushort vl_col; /* Number of columns (i.e. 160) */
52 ushort vl_row; /* Number of rows (i.e. 100) */
53 ushort vl_rot; /* Rotation of Display (0, 1, 2, 3) */
54 u_char vl_bpix; /* Bits per pixel, 0 = 1 */
55 ushort *cmap; /* Pointer to the colormap */
56 void *priv; /* Pointer to driver-specific data */
57 } vidinfo_t;
58
configuration_get_cmap(void)59 static __maybe_unused ushort *configuration_get_cmap(void)
60 {
61 return panel_info.cmap;
62 }
63 #endif
64
65 ushort *configuration_get_cmap(void);
66
67 extern vidinfo_t panel_info;
68
69 void lcd_putc(const char c);
70 void lcd_puts(const char *s);
71 void lcd_printf(const char *fmt, ...);
72 void lcd_clear(void);
73 int lcd_display_bitmap(ulong bmp_image, int x, int y);
74
75 /**
76 * Get the width of the LCD in pixels
77 *
78 * @return width of LCD in pixels
79 */
80 int lcd_get_pixel_width(void);
81
82 /**
83 * Get the height of the LCD in pixels
84 *
85 * @return height of LCD in pixels
86 */
87 int lcd_get_pixel_height(void);
88
89 /**
90 * Get the number of text lines/rows on the LCD
91 *
92 * @return number of rows
93 */
94 int lcd_get_screen_rows(void);
95
96 /**
97 * Get the number of text columns on the LCD
98 *
99 * @return number of columns
100 */
101 int lcd_get_screen_columns(void);
102
103 /**
104 * Get the background color of the LCD
105 *
106 * @return background color value
107 */
108 int lcd_getbgcolor(void);
109
110 /**
111 * Get the foreground color of the LCD
112 *
113 * @return foreground color value
114 */
115 int lcd_getfgcolor(void);
116
117 /**
118 * Set the position of the text cursor
119 *
120 * @param col Column to place cursor (0 = left side)
121 * @param row Row to place cursor (0 = top line)
122 */
123 void lcd_position_cursor(unsigned col, unsigned row);
124
125 /* Allow boards to customize the information displayed */
126 void lcd_show_board_info(void);
127
128 /* Return the size of the LCD frame buffer, and the line length */
129 int lcd_get_size(int *line_length);
130
131 /* Update the LCD / flush the cache */
132 void lcd_sync(void);
133
134 /*
135 * Information about displays we are using. This is for configuring
136 * the LCD controller and memory allocation. Someone has to know what
137 * is connected, as we can't autodetect anything.
138 */
139 #define CONFIG_SYS_HIGH 0 /* Pins are active high */
140 #define CONFIG_SYS_LOW 1 /* Pins are active low */
141
142 #define LCD_MONOCHROME 0
143 #define LCD_COLOR2 1
144 #define LCD_COLOR4 2
145 #define LCD_COLOR8 3
146 #define LCD_COLOR16 4
147 #define LCD_COLOR32 5
148
149 #if defined(CONFIG_LCD_INFO_BELOW_LOGO)
150 #define LCD_INFO_X 0
151 #define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
152 #elif defined(CONFIG_LCD_LOGO)
153 #define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
154 #define LCD_INFO_Y VIDEO_FONT_HEIGHT
155 #else
156 #define LCD_INFO_X VIDEO_FONT_WIDTH
157 #define LCD_INFO_Y VIDEO_FONT_HEIGHT
158 #endif
159
160 /* Default to 8bpp if bit depth not specified */
161 #ifndef LCD_BPP
162 #define LCD_BPP LCD_COLOR8
163 #endif
164
165 #ifndef LCD_DF
166 #define LCD_DF 1
167 #endif
168
169 /* Calculate nr. of bits per pixel and nr. of colors */
170 #define NBITS(bit_code) (1 << (bit_code))
171 #define NCOLORS(bit_code) (1 << NBITS(bit_code))
172
173 #if LCD_BPP == LCD_COLOR8
174 # define CONSOLE_COLOR_BLACK 0
175 # define CONSOLE_COLOR_RED 1
176 # define CONSOLE_COLOR_GREEN 2
177 # define CONSOLE_COLOR_YELLOW 3
178 # define CONSOLE_COLOR_BLUE 4
179 # define CONSOLE_COLOR_MAGENTA 5
180 # define CONSOLE_COLOR_CYAN 6
181 # define CONSOLE_COLOR_GREY 14
182 # define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
183 #elif LCD_BPP == LCD_COLOR32
184 #define CONSOLE_COLOR_RED 0x00ff0000
185 #define CONSOLE_COLOR_GREEN 0x0000ff00
186 #define CONSOLE_COLOR_YELLOW 0x00ffff00
187 #define CONSOLE_COLOR_BLUE 0x000000ff
188 #define CONSOLE_COLOR_MAGENTA 0x00ff00ff
189 #define CONSOLE_COLOR_CYAN 0x0000ffff
190 #define CONSOLE_COLOR_GREY 0x00aaaaaa
191 #define CONSOLE_COLOR_BLACK 0x00000000
192 #define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest */
193 #define NBYTES(bit_code) (NBITS(bit_code) >> 3)
194 #else /* 16bpp color definitions */
195 # define CONSOLE_COLOR_BLACK 0x0000
196 # define CONSOLE_COLOR_RED 0xF800
197 # define CONSOLE_COLOR_GREEN 0x07E0
198 # define CONSOLE_COLOR_YELLOW 0xFFE0
199 # define CONSOLE_COLOR_BLUE 0x001F
200 # define CONSOLE_COLOR_MAGENTA 0xF81F
201 # define CONSOLE_COLOR_CYAN 0x07FF
202 # define CONSOLE_COLOR_GREY 0xC618
203 # define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
204 #endif /* color definitions */
205
206 #if LCD_BPP == LCD_COLOR16
207 #define fbptr_t ushort
208 #elif LCD_BPP == LCD_COLOR32
209 #define fbptr_t u32
210 #else
211 #define fbptr_t uchar
212 #endif
213
214 #ifndef PAGE_SIZE
215 #define PAGE_SIZE 4096
216 #endif
217
218 #endif /* !CONFIG_DM_VIDEO */
219
220 #endif /* _LCD_H_ */
221