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Bo Lv72d0e902023-01-02 14:27:34 +00001/* 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
20int bmp_display(ulong addr, int x, int y);
21struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
22 void **alloc_addr);
23
24#ifndef CONFIG_DM_VIDEO
25
26extern char lcd_is_enabled;
27extern int lcd_line_length;
28extern struct vidinfo panel_info;
29
30void lcd_ctrl_init(void *lcdbase);
31void lcd_enable(void);
32void 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 */
40void 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
50typedef 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
59static __maybe_unused ushort *configuration_get_cmap(void)
60{
61 return panel_info.cmap;
62}
63#endif
64
65ushort *configuration_get_cmap(void);
66
67extern vidinfo_t panel_info;
68
69void lcd_putc(const char c);
70void lcd_puts(const char *s);
71void lcd_printf(const char *fmt, ...);
72void lcd_clear(void);
73int 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 */
80int 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 */
87int 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 */
94int lcd_get_screen_rows(void);
95
96/**
97 * Get the number of text columns on the LCD
98 *
99 * @return number of columns
100 */
101int lcd_get_screen_columns(void);
102
103/**
104 * Get the background color of the LCD
105 *
106 * @return background color value
107 */
108int lcd_getbgcolor(void);
109
110/**
111 * Get the foreground color of the LCD
112 *
113 * @return foreground color value
114 */
115int 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 */
123void lcd_position_cursor(unsigned col, unsigned row);
124
125/* Allow boards to customize the information displayed */
126void lcd_show_board_info(void);
127
128/* Return the size of the LCD frame buffer, and the line length */
129int lcd_get_size(int *line_length);
130
131/* Update the LCD / flush the cache */
132void 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 */
xiang.wu114497ab2024-02-21 14:57:05 +0800170//#define NBITS(bit_code) (1 << (bit_code))
171//#define NCOLORS(bit_code) (1 << NBITS(bit_code))
Bo Lv72d0e902023-01-02 14:27:34 +0000172
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_ */