c5a309afbd
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10484 a1c6a512-1295-4272-9138-f99709370657
360 lines
12 KiB
C
360 lines
12 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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#ifndef __LCD_H__
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#define __LCD_H__
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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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#define STYLE_DEFAULT 0
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#define STYLE_INVERT 1
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#ifdef SIMULATOR
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#define lcd_icon(x,y) sim_lcd_icon(x,y)
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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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#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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/* common functions */
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extern void lcd_write_command(int byte);
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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_clear_display(void);
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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_putc(int x, int y, unsigned short ch);
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extern void lcd_stop_scroll(void);
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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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extern void lcd_icon(int icon, bool enable);
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#if CONFIG_LCD == LCD_IPODCOLOR || CONFIG_LCD == LCD_IPODNANO \
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|| CONFIG_LCD == LCD_H300
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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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#if defined(SIMULATOR) || defined(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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extern void lcd_update(void);
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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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#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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#else
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#define lcd_update()
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#define lcd_update_rect(x,y,w,h)
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#endif
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#ifdef HAVE_LCD_CHARCELLS
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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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extern void lcd_double_height(bool on);
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extern void lcd_define_hw_pattern(int which,const char *pattern,int length);
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extern void lcd_define_pattern(int which,const char *pattern);
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unsigned char lcd_get_locked_pattern(void);
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void lcd_unlock_pattern(unsigned char pat);
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void lcd_put_cursor(int x, int y, char cursor_char);
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void lcd_remove_cursor(void);
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extern void lcd_bidir_scroll(int threshold);
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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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/* 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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/* 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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#ifdef HAVE_LCD_BITMAP
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#ifdef HAVE_LCD_COLOR
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#if LCD_DEPTH == 16
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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 _RGB_UNPACK_RED(x) ((((x) >> 8) & 0xf8) | ((x) >> 13))
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#define _RGB_UNPACK_GREEN(x) ((((x) >> 3) & 0xfc) | (((x) >> 9) & 0x03))
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#define _RGB_UNPACK_BLUE(x) ((((x) << 3) & 0xf8) | (((x) >> 2) & 0x07))
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#define _RGBPACK(r, g, b) ( ((((r) * (31*257) + (127*257)) >> 16) << 11) \
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|((((g) * (63*257) + (127*257)) >> 16) << 5) \
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| (((b) * (31*257) + (127*257)) >> 16))
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/* Note: ((x * 257) >> 16) almost equals (x / 255), but it avoids the division,
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* so it's faster when the macro is used for variable r, g, b in the source. */
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#if (LCD_PIXELFORMAT == RGB565SWAPPED)
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#define LCD_RGBPACK(r, g, b) ( ((_RGBPACK((r), (g), (b)) & 0xff00) >> 8) \
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|((_RGBPACK((r), (g), (b)) & 0x00ff) << 8))
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#define RGB_UNPACK_RED(x) _RGB_UNPACK_RED(swap16(x))
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#define RGB_UNPACK_GREEN(x) _RGB_UNPACK_GREEN(swap16(x))
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#define RGB_UNPACK_BLUE(x) _RGB_UNPACK_BLUE(swap16(x))
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#else
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#define LCD_RGBPACK(r, g, b) _RGBPACK((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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#endif
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#elif LCD_DEPTH == 18
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#define LCD_MAX_RED 63
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#define LCD_MAX_GREEN 63
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#define LCD_MAX_BLUE 63
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#define LCD_RGBPACK(r, g, b) ( ((((r) * (63*257) + (127*257)) >> 16) << 12) \
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|((((g) * (63*257) + (127*257)) >> 16) << 6) \
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| (((b) * (63*257) + (127*257)) >> 16))
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#else
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/* other colour depths */
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#endif
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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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#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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#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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/* Memory copy of display bitmap */
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#if LCD_DEPTH == 1
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extern fb_data lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH];
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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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extern fb_data lcd_framebuffer[LCD_HEIGHT][LCD_FBWIDTH];
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#else
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extern fb_data lcd_framebuffer[LCD_HEIGHT/4][LCD_WIDTH];
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#endif
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#elif LCD_DEPTH == 16
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extern fb_data lcd_framebuffer[LCD_HEIGHT][LCD_WIDTH];
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#elif LCD_DEPTH == 18
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extern fb_data lcd_framebuffer[LCD_HEIGHT][LCD_WIDTH];
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#endif
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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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#if (CONFIG_BACKLIGHT==BL_IRIVER_H300) || (CONFIG_BACKLIGHT==BL_IPOD3G)
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extern void lcd_enable(bool on);
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#endif
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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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#define FORMAT_TRANSPARENT 0x40000000
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#define TRANSPARENT_COLOR LCD_RGBPACK(255,0,255)
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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
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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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extern void lcd_set_invert_display(bool yesno);
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extern void lcd_set_flip(bool yesno);
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extern void lcd_roll(int pixels);
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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_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 void lcd_setfont(int font);
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extern int lcd_getstringsize(const unsigned char *str, int *w, int *h);
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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_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_offset(int x, int y, const unsigned char *string,
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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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/* low level drawing function pointer arrays */
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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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#if LCD_DEPTH >= 8
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extern lcd_fastpixelfunc_type* const * lcd_fastpixelfuncs;
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#endif
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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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extern void lcd_putsxy(int x, int y, const unsigned char *string);
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extern void lcd_invertscroll(int x, int y);
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extern void lcd_bidir_scroll(int threshold);
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extern void lcd_scroll_step(int pixels);
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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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#ifdef HAVE_LCD_COLOR
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void lcd_set_backdrop(fb_data* backdrop);
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fb_data* lcd_get_backdrop(void);
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#endif
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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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#endif /* HAVE_LCD_BITMAP */
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/* internal usage, but in multiple drivers */
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#ifdef HAVE_LCD_BITMAP
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#define SCROLL_SPACING 3
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struct scrollinfo {
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char line[MAX_PATH + LCD_WIDTH/2 + SCROLL_SPACING + 2];
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int len; /* length of line in chars */
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int width; /* length of line in pixels */
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int offset;
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int startx;
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bool backward; /* scroll presently forward or backward? */
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bool bidir;
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bool invert; /* invert the scrolled text */
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long start_tick;
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};
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#else /* !HAVE_LCD_BITMAP */
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struct scrollinfo {
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int mode;
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char text[MAX_PATH];
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int textlen;
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int offset;
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int turn_offset;
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int startx;
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int starty;
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long scroll_start_tick;
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int direction; /* +1 for right or -1 for left*/
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int jump_scroll;
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int jump_scroll_steps;
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};
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#endif
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#endif /* __LCD_H__ */
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