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 ulong lcd_setmem(ulong addr);
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
configuration_get_cmap(void)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_ */
222