forked from len0rd/rockbox
		
	git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13682 a1c6a512-1295-4272-9138-f99709370657
		
			
				
	
	
		
			400 lines
		
	
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			400 lines
		
	
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /***************************************************************************
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|  *             __________               __   ___.
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|  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
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|  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
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|  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
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|  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
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|  *                     \/            \/     \/    \/            \/
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|  * $Id$
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|  *
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|  * Copyright (C) 2002 by Alan Korr
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|  *
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|  * All files in this archive are subject to the GNU General Public License.
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|  * See the file COPYING in the source tree root for full license agreement.
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|  *
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|  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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|  * KIND, either express or implied.
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|  *
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|  ****************************************************************************/
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| 
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| #ifndef __LCD_H__
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| #define __LCD_H__
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| 
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| #include <stdbool.h>
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| #include "cpu.h"
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| #include "config.h"
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| 
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| #define STYLE_DEFAULT    0x00000000
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| #define STYLE_INVERT     0x20000000
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| #define STYLE_COLORED    0x10000000
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| #define STYLE_COLOR_MASK 0x0000FFFF
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| 
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| #ifdef SIMULATOR
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| #ifndef MAX_PATH
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| #define MAX_PATH 260
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| #endif
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| #else
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| #include "file.h"  /* for MAX_PATH; FIXME: Why does this not work for sims? */
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| #endif
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| 
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| #if LCD_DEPTH <=8
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| typedef unsigned char fb_data;
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| #elif LCD_DEPTH <= 16
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| typedef unsigned short fb_data;
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| #else
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| typedef unsigned long fb_data;
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| #endif
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| 
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| /* common functions */
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| extern void lcd_write_command(int byte);
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| extern void lcd_write_command_e(int cmd, int data);
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| extern void lcd_write_command_ex(int cmd, int data1, int data2);
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| extern void lcd_write_data(const fb_data* p_bytes, int count);
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| extern void lcd_init(void);
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| #ifdef SIMULATOR
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| /* Define a dummy device specific init for the sims */
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| #define lcd_init_device()
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| #else
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| extern void lcd_init_device(void);
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| #endif
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| extern void lcd_backlight(bool on);
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| extern int  lcd_default_contrast(void);
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| extern void lcd_set_contrast(int val);
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| extern void lcd_setmargins(int xmargin, int ymargin);
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| extern int  lcd_getxmargin(void);
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| extern int  lcd_getymargin(void);
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| extern int  lcd_getstringsize(const unsigned char *str, int *w, int *h);
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| 
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| extern void lcd_update(void);
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| extern void lcd_clear_display(void);
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| extern void lcd_putsxy(int x, int y, const unsigned char *string);
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| extern void lcd_puts(int x, int y, const unsigned char *string);
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| extern void lcd_puts_style(int x, int y, const unsigned char *string, int style);
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| extern void lcd_puts_offset(int x, int y, const unsigned char *str, int offset);
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| extern void lcd_puts_scroll_offset(int x, int y, const unsigned char *string,
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|                                   int offset);
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| extern void lcd_putc(int x, int y, unsigned long ucs);
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| extern void lcd_stop_scroll(void);
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| extern void lcd_bidir_scroll(int threshold);
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| extern void lcd_scroll_speed(int speed);
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| extern void lcd_scroll_delay(int ms);
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| extern void lcd_puts_scroll(int x, int y, const unsigned char* string);
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| extern void lcd_puts_scroll_style(int x, int y, const unsigned char* string,
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|                                   int style);
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| 
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| #if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR)
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| extern void lcd_yuv_blit(unsigned char * const src[3],
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|                          int src_x, int src_y, int stride,
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|                          int x, int y, int width, int height);
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| #endif
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| 
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| #ifdef HAVE_LCD_BITMAP
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| /* performance function */
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| extern void lcd_blit(const fb_data* data, int x, int by, int width,
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|                      int bheight, int stride);
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| 
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| /* update a fraction of the screen */
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| extern void lcd_update_rect(int x, int y, int width, int height);
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| 
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| #ifdef HAVE_REMOTE_LCD
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| extern void lcd_remote_update(void);
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| /* update a fraction of the screen */
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| extern void lcd_remote_update_rect(int x, int y, int width, int height);
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| #endif
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| #endif
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| 
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| #ifdef HAVE_LCD_CHARCELLS
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| 
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| /* Icon definitions for lcd_icon() */
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| enum
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| {
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|     ICON_BATTERY = 0,
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|     ICON_BATTERY_1,
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|     ICON_BATTERY_2,
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|     ICON_BATTERY_3,
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|     ICON_USB,
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|     ICON_PLAY,
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|     ICON_RECORD,
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|     ICON_PAUSE,
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|     ICON_AUDIO,
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|     ICON_REPEAT,
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|     ICON_1,
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|     ICON_VOLUME,
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|     ICON_VOLUME_1,
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|     ICON_VOLUME_2,
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|     ICON_VOLUME_3,
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|     ICON_VOLUME_4,
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|     ICON_VOLUME_5,
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|     ICON_PARAM
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| };
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| 
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| void lcd_icon(int icon, bool enable);
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| void lcd_double_height(bool on);
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| void lcd_define_pattern(unsigned long ucs, const char *pattern);
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| unsigned long lcd_get_locked_pattern(void);
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| void lcd_unlock_pattern(unsigned long ucs);
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| void lcd_put_cursor(int x, int y, unsigned long cursor_ucs);
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| void lcd_remove_cursor(void);
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| #define JUMP_SCROLL_ALWAYS 5
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| extern void lcd_jump_scroll(int mode); /* 0=off, 1=once, ..., ALWAYS */
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| extern void lcd_jump_scroll_delay(int ms);
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| #endif
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| 
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| /* Draw modes */
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| #define DRMODE_COMPLEMENT 0
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| #define DRMODE_BG         1
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| #define DRMODE_FG         2
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| #define DRMODE_SOLID      3
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| #define DRMODE_INVERSEVID 4 /* used as bit modifier for basic modes */
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| 
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| /* Low-level drawing function types */
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| typedef void lcd_pixelfunc_type(int x, int y);
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| typedef void lcd_blockfunc_type(fb_data *address, unsigned mask, unsigned bits);
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| #if LCD_DEPTH >= 8
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| typedef void lcd_fastpixelfunc_type(fb_data *address);
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| #endif
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| 
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| #ifdef HAVE_LCD_BITMAP
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| 
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| #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && \
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|  LCD_REMOTE_DEPTH > 1
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| /* Just return color for screens use */
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| static inline unsigned lcd_color_to_native(unsigned color)
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|     { return color; }
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| #define SCREEN_COLOR_TO_NATIVE(screen, color) (screen)->color_to_native(color)
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| #else
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| #define SCREEN_COLOR_TO_NATIVE(screen, color) (color)
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| #endif
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| 
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| #ifdef HAVE_LCD_COLOR
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| #if LCD_PIXELFORMAT == RGB565 || LCD_PIXELFORMAT == RGB565SWAPPED
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| #define LCD_MAX_RED    31
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| #define LCD_MAX_GREEN  63
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| #define LCD_MAX_BLUE   31
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| #define LCD_RED_BITS   5
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| #define LCD_GREEN_BITS 6
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| #define LCD_BLUE_BITS  5
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| 
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| /* pack/unpack native RGB values */
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| #define _RGBPACK_LCD(r, g, b)    ( ((r) << 11) | ((g) << 5) | (b) )
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| #define _RGB_UNPACK_RED_LCD(x)   ( (((x) >> 11)       ) )
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| #define _RGB_UNPACK_GREEN_LCD(x) ( (((x) >>  5) & 0x3f) )
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| #define _RGB_UNPACK_BLUE_LCD(x)  ( (((x)      ) & 0x1f) )
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| 
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| /* pack/unpack 24-bit RGB values */
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| #define _RGBPACK(r, g, b)    _RGBPACK_LCD((r) >> 3, (g) >> 2, (b) >> 3)
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| #define _RGB_UNPACK_RED(x)   ( (((x) >> 8) & 0xf8) | (((x) >> 11) & 0x07) )
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| #define _RGB_UNPACK_GREEN(x) ( (((x) >> 3) & 0xfc) | (((x) >>  5) & 0x03) )
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| #define _RGB_UNPACK_BLUE(x)  ( (((x) << 3) & 0xf8) | (((x)      ) & 0x07) )
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| 
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| #if (LCD_PIXELFORMAT == RGB565SWAPPED)
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| /* RGB3553 */
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| #define _LCD_UNSWAP_COLOR(x)     swap16(x)
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| #define LCD_RGBPACK_LCD(r, g, b) ( (((r) <<   3)      ) | \
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|                                    (((g) >>   3)      ) | \
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|                                    (((g) & 0x07) << 13) | \
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|                                    (((b) <<   8)      ) )
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| #define LCD_RGBPACK(r, g, b)     ( (((r) >>   3) <<  3) | \
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|                                    (((g) >>   5)      ) | \
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|                                    (((g) & 0x1c) << 11) | \
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|                                    (((b) >>   3) <<  8) )
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| /* swap color once - not currenly used in static inits */
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| #define _SWAPUNPACK(x, _unp_) \
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|     ({ typeof (x) _x_ = swap16(x); _unp_(_x_); })
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| #define RGB_UNPACK_RED(x)        _SWAPUNPACK((x), _RGB_UNPACK_RED)
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| #define RGB_UNPACK_GREEN(x)      _SWAPUNPACK((x), _RGB_UNPACK_GREEN)
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| #define RGB_UNPACK_BLUE(x)       _SWAPUNPACK((x), _RGB_UNPACK_BLUE)
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| #define RGB_UNPACK_RED_LCD(x)    _SWAPUNPACK((x), _RGB_UNPACK_RED_LCD)
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| #define RGB_UNPACK_GREEN_LCD(x)  _SWAPUNPACK((x), _RGB_UNPACK_GREEN_LCD)
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| #define RGB_UNPACK_BLUE_LCD(x)   _SWAPUNPACK((x), _RGB_UNPACK_BLUE_LCD)
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| #else
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| /* RGB565 */
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| #define _LCD_UNSWAP_COLOR(x)     (x)
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| #define LCD_RGBPACK(r, g, b)     _RGBPACK((r), (g), (b))
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| #define LCD_RGBPACK_LCD(r, g, b) _RGBPACK_LCD((r), (g), (b))
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| #define RGB_UNPACK_RED(x)        _RGB_UNPACK_RED(x)
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| #define RGB_UNPACK_GREEN(x)      _RGB_UNPACK_GREEN(x)
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| #define RGB_UNPACK_BLUE(x)       _RGB_UNPACK_BLUE(x)
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| #define RGB_UNPACK_RED_LCD(x)    _RGB_UNPACK_RED_LCD(x)
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| #define RGB_UNPACK_GREEN_LCD(x)  _RGB_UNPACK_GREEN_LCD(x)
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| #define RGB_UNPACK_BLUE_LCD(x)   _RGB_UNPACK_BLUE_LCD(x)
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| #endif
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| #else
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| /* other colour depths */
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| #endif
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| 
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| #define LCD_BLACK      LCD_RGBPACK(0, 0, 0)
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| #define LCD_DARKGRAY   LCD_RGBPACK(85, 85, 85)
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| #define LCD_LIGHTGRAY  LCD_RGBPACK(170, 170, 170)
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| #define LCD_WHITE      LCD_RGBPACK(255, 255, 255)
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| #define LCD_DEFAULT_FG LCD_BLACK
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| #define LCD_DEFAULT_BG LCD_RGBPACK(182, 198, 229) /* rockbox blue */
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| 
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| #elif LCD_DEPTH > 1 /* greyscale */
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| #define LCD_MAX_LEVEL ((1 << LCD_DEPTH) - 1)
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| #define LCD_BRIGHTNESS(y) (((y) * LCD_MAX_LEVEL + 127) / 255)
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| 
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| #define LCD_BLACK      LCD_BRIGHTNESS(0)
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| #define LCD_DARKGRAY   LCD_BRIGHTNESS(85)
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| #define LCD_LIGHTGRAY  LCD_BRIGHTNESS(170)
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| #define LCD_WHITE      LCD_BRIGHTNESS(255)
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| #define LCD_DEFAULT_FG LCD_BLACK
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| #define LCD_DEFAULT_BG LCD_WHITE
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| #endif
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| 
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| /* Frame buffer dimensions */
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| #if LCD_DEPTH == 1
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| #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
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| #define LCD_FBWIDTH ((LCD_WIDTH+7)/8)
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| #else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
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| #define LCD_FBHEIGHT ((LCD_HEIGHT+7)/8)
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| #endif
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| #elif LCD_DEPTH == 2
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| #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
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| #define LCD_FBWIDTH ((LCD_WIDTH+3)/4)
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| #else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
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| #define LCD_FBHEIGHT ((LCD_HEIGHT+3)/4)
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| #endif
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| #endif /* LCD_DEPTH */
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| /* Set defaults if not defined different yet. The defaults apply to both
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|  * dimensions for LCD_DEPTH >= 8 */
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| #ifndef LCD_FBWIDTH
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| #define LCD_FBWIDTH LCD_WIDTH
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| #endif
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| #ifndef LCD_FBHEIGHT
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| #define LCD_FBHEIGHT LCD_HEIGHT
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| #endif
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| /* The actual framebuffer */
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| extern fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH];
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| 
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| /** Port-specific functions. Enable in port config file. **/
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| #ifdef HAVE_LCD_ENABLE
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| /* Enable/disable the main display. */
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| extern void lcd_enable(bool on);
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| #endif
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| 
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| #ifdef HAVE_LCD_SLEEP
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| /* Put the LCD into a power saving state deeper than lcd_enable(false). */
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| extern void lcd_sleep(void);
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| #endif
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| 
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| /* Bitmap formats */
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| enum
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| {
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|     FORMAT_MONO,
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|     FORMAT_NATIVE,
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|     FORMAT_ANY   /* For passing to read_bmp_file() */
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| };
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| 
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| #define FORMAT_TRANSPARENT 0x40000000
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| #define FORMAT_DITHER      0x20000000
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| #define FORMAT_REMOTE      0x10000000
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| 
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| #define TRANSPARENT_COLOR LCD_RGBPACK(255,0,255)
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| 
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| struct bitmap {
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|     int width;
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|     int height;
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| #if (LCD_DEPTH > 1) || defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1)
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|     int format;
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|     unsigned char *maskdata;
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| #endif
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|     unsigned char *data;
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| };
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| 
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| extern void lcd_set_invert_display(bool yesno);
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| extern void lcd_set_flip(bool yesno);
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| 
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| extern void lcd_set_drawmode(int mode);
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| extern int  lcd_get_drawmode(void);
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| extern void lcd_setfont(int font);
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| 
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| extern void lcd_puts_style_offset(int x, int y, const unsigned char *str,
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|                                   int style, int offset);
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| extern void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
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|                                   int style, int offset);
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| 
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| /* low level drawing function pointer arrays */
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| #if LCD_DEPTH >= 8
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| extern lcd_fastpixelfunc_type* const *lcd_fastpixelfuncs;
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| #elif LCD_DEPTH > 1
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| extern lcd_pixelfunc_type* const *lcd_pixelfuncs;
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| extern lcd_blockfunc_type* const *lcd_blockfuncs;
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| #else
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| extern lcd_pixelfunc_type* const lcd_pixelfuncs[8];
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| extern lcd_blockfunc_type* const lcd_blockfuncs[8];
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| #endif
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| 
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| extern void lcd_drawpixel(int x, int y);
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| extern void lcd_drawline(int x1, int y1, int x2, int y2);
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| extern void lcd_hline(int x1, int x2, int y);
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| extern void lcd_vline(int x, int y1, int y2);
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| extern void lcd_drawrect(int x, int y, int width, int height);
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| extern void lcd_fillrect(int x, int y, int width, int height);
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| extern void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
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|                             int stride, int x, int y, int width, int height);
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| extern void lcd_bitmap(const fb_data *src, int x, int y, int width,
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|                        int height);
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| 
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| extern void lcd_invertscroll(int x, int y);
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| extern void lcd_scroll_step(int pixels);
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| 
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| #if LCD_DEPTH > 1
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| extern void     lcd_set_foreground(unsigned foreground);
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| extern unsigned lcd_get_foreground(void);
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| extern void     lcd_set_background(unsigned background);
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| extern unsigned lcd_get_background(void);
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| extern void     lcd_set_drawinfo(int mode, unsigned foreground,
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|                                  unsigned background);
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| void lcd_set_backdrop(fb_data* backdrop);
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| #if defined(TOSHIBA_GIGABEAT_F) && !defined(SIMULATOR)
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| bool lcd_enabled(void);
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| #else
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| #define lcd_enabled() true
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| #endif
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| 
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| fb_data* lcd_get_backdrop(void);
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| 
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| extern void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
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|                             int stride, int x, int y, int width, int height);
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| extern void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width,
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|                             int height);
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| extern void lcd_bitmap_transparent_part(const fb_data *src,
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|                                         int src_x, int src_y,
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|                                         int stride, int x, int y, int width,
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|                                         int height);
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| extern void lcd_bitmap_transparent(const fb_data *src, int x, int y,
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|                                    int width, int height);
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| #else /* LCD_DEPTH == 1 */
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| #define lcd_mono_bitmap lcd_bitmap
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| #define lcd_mono_bitmap_part lcd_bitmap_part
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| #endif
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| 
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| #endif /* HAVE_LCD_BITMAP */
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| 
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| /* internal usage, but in multiple drivers */
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| #define SCROLL_SPACING   3
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| #ifdef HAVE_LCD_BITMAP
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| #define SCROLL_LINE_SIZE (MAX_PATH + SCROLL_SPACING + 3*LCD_WIDTH/2 + 2)
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| #else
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| #define SCROLL_LINE_SIZE (MAX_PATH + SCROLL_SPACING + 3*LCD_WIDTH + 2)
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| #endif
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| 
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| struct scrollinfo {
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|     char line[SCROLL_LINE_SIZE];
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|     int len;    /* length of line in chars */
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|     int offset;
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|     int startx;
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| #ifdef HAVE_LCD_BITMAP
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|     int width;  /* length of line in pixels */
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|     bool invert; /* invert the scrolled text */
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| #endif
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|     bool backward; /* scroll presently forward or backward? */
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|     bool bidir;
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|     long start_tick;
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| #ifdef HAVE_LCD_COLOR
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|     int line_colour;
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| #endif
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| };
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| 
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| #endif /* __LCD_H__ */
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