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rockbox/firmware/export/lcd.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __LCD_H__
#define __LCD_H__
#include <stdbool.h>
#include "cpu.h"
#include "config.h"
#define STYLE_DEFAULT 0x00000000
#define STYLE_COLORED 0x10000000
#define STYLE_INVERT 0x20000000
#define STYLE_COLORBAR 0x40000000
#define STYLE_GRADIENT 0x80000000
#define STYLE_MODE_MASK 0xF0000000
#define STYLE_COLOR_MASK 0x0000FFFF
#ifdef HAVE_LCD_COLOR
#define STYLE_CURLN_MASK 0x0000FF00
#define STYLE_MAXLN_MASK 0x000000FF
#define CURLN_PACK(x) (((x)<<8) & STYLE_CURLN_MASK)
#define CURLN_UNPACK(x) ((unsigned char)(((x)&STYLE_CURLN_MASK) >> 8))
#define NUMLN_PACK(x) ((x) & STYLE_MAXLN_MASK)
#define NUMLN_UNPACK(x) ((unsigned char)((x) & STYLE_MAXLN_MASK))
#endif
#ifdef SIMULATOR
#ifndef MAX_PATH
#define MAX_PATH 260
#endif
#else
#include "file.h" /* for MAX_PATH; FIXME: Why does this not work for sims? */
#endif /* SIMULATOR */
#if LCD_DEPTH <=8
typedef unsigned char fb_data;
#elif LCD_DEPTH <= 16
typedef unsigned short fb_data;
#else /* LCD_DEPTH > 16 */
typedef unsigned long fb_data;
#endif /* LCD_DEPTH */
/* common functions */
extern void lcd_write_command(int byte);
extern void lcd_write_command_e(int cmd, int data);
extern void lcd_write_command_ex(int cmd, int data1, int data2);
extern void lcd_write_data(const fb_data* p_bytes, int count);
extern void lcd_init(void);
#ifdef SIMULATOR
/* Define a dummy device specific init for the sims */
#define lcd_init_device()
#else
extern void lcd_init_device(void);
#endif /* SIMULATOR */
extern void lcd_backlight(bool on);
extern int lcd_default_contrast(void);
extern void lcd_set_contrast(int val);
extern void lcd_setmargins(int xmargin, int ymargin);
extern int lcd_getxmargin(void);
extern int lcd_getymargin(void);
extern int lcd_getstringsize(const unsigned char *str, int *w, int *h);
extern void lcd_update(void);
extern void lcd_clear_display(void);
extern void lcd_putsxy(int x, int y, const unsigned char *string);
extern void lcd_puts(int x, int y, const unsigned char *string);
extern void lcd_puts_style(int x, int y, const unsigned char *string, int style);
extern void lcd_puts_offset(int x, int y, const unsigned char *str, int offset);
extern void lcd_puts_scroll_offset(int x, int y, const unsigned char *string,
int offset);
extern void lcd_putc(int x, int y, unsigned long ucs);
extern void lcd_stop_scroll(void);
extern void lcd_bidir_scroll(int threshold);
extern void lcd_scroll_speed(int speed);
extern void lcd_scroll_delay(int ms);
extern void lcd_puts_scroll(int x, int y, const unsigned char* string);
extern void lcd_puts_scroll_style(int x, int y, const unsigned char* string,
int style);
#ifdef HAVE_LCD_BITMAP
#if defined(HAVE_LCD_COLOR)
#define LCD_YUV_DITHER 0x1
extern void lcd_yuv_set_options(unsigned options);
extern void lcd_yuv_blit(unsigned char * const src[3],
int src_x, int src_y, int stride,
int x, int y, int width, int height);
#else
struct grey_data {
unsigned char phase; /* SH1 uses it signed (doesn't matter for high level) */
unsigned char value; /* 0..128 are allowed */
} __attribute__((packed));
extern void lcd_grey_data(const struct grey_data *data, int count); /* private */
extern void lcd_grey_phase_blit(const struct grey_data *data, int bx, int by,
int bwidth, int bheight, int stride);
#endif
/* performance function */
extern void lcd_blit(const fb_data* data, int x, int by, int width,
int bheight, int stride);
/* update a fraction of the screen */
extern void lcd_update_rect(int x, int y, int width, int height);
#ifdef HAVE_REMOTE_LCD
extern void lcd_remote_update(void);
/* update a fraction of the screen */
extern void lcd_remote_update_rect(int x, int y, int width, int height);
#endif /* HAVE_REMOTE_LCD */
#endif /* HAVE_LCD_BITMAP */
#ifdef HAVE_LCD_CHARCELLS
/* Icon definitions for lcd_icon() */
enum
{
ICON_BATTERY = 0,
ICON_BATTERY_1,
ICON_BATTERY_2,
ICON_BATTERY_3,
ICON_USB,
ICON_PLAY,
ICON_RECORD,
ICON_PAUSE,
ICON_AUDIO,
ICON_REPEAT,
ICON_1,
ICON_VOLUME,
ICON_VOLUME_1,
ICON_VOLUME_2,
ICON_VOLUME_3,
ICON_VOLUME_4,
ICON_VOLUME_5,
ICON_PARAM
};
void lcd_icon(int icon, bool enable);
void lcd_double_height(bool on);
void lcd_define_pattern(unsigned long ucs, const char *pattern);
unsigned long lcd_get_locked_pattern(void);
void lcd_unlock_pattern(unsigned long ucs);
void lcd_put_cursor(int x, int y, unsigned long cursor_ucs);
void lcd_remove_cursor(void);
#define JUMP_SCROLL_ALWAYS 5
extern void lcd_jump_scroll(int mode); /* 0=off, 1=once, ..., ALWAYS */
extern void lcd_jump_scroll_delay(int ms);
#endif /* HAVE_LCD_CHARCELLS */
/* Draw modes */
#define DRMODE_COMPLEMENT 0
#define DRMODE_BG 1
#define DRMODE_FG 2
#define DRMODE_SOLID 3
#define DRMODE_INVERSEVID 4 /* used as bit modifier for basic modes */
/* Low-level drawing function types */
typedef void lcd_pixelfunc_type(int x, int y);
typedef void lcd_blockfunc_type(fb_data *address, unsigned mask, unsigned bits);
#if LCD_DEPTH >= 8
typedef void lcd_fastpixelfunc_type(fb_data *address);
#endif
#ifdef HAVE_LCD_BITMAP
#if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && \
LCD_REMOTE_DEPTH > 1
/* Just return color for screens use */
static inline unsigned lcd_color_to_native(unsigned color)
{ return color; }
#define SCREEN_COLOR_TO_NATIVE(screen, color) (screen)->color_to_native(color)
#else
#define SCREEN_COLOR_TO_NATIVE(screen, color) (color)
#endif
#ifdef HAVE_LCD_COLOR
#if LCD_PIXELFORMAT == RGB565 || LCD_PIXELFORMAT == RGB565SWAPPED
#define LCD_MAX_RED 31
#define LCD_MAX_GREEN 63
#define LCD_MAX_BLUE 31
#define LCD_RED_BITS 5
#define LCD_GREEN_BITS 6
#define LCD_BLUE_BITS 5
/* pack/unpack native RGB values */
#define _RGBPACK_LCD(r, g, b) ( ((r) << 11) | ((g) << 5) | (b) )
#define _RGB_UNPACK_RED_LCD(x) ( (((x) >> 11) ) )
#define _RGB_UNPACK_GREEN_LCD(x) ( (((x) >> 5) & 0x3f) )
#define _RGB_UNPACK_BLUE_LCD(x) ( (((x) ) & 0x1f) )
/* pack/unpack 24-bit RGB values */
#define _RGBPACK(r, g, b) _RGBPACK_LCD((r) >> 3, (g) >> 2, (b) >> 3)
#define _RGB_UNPACK_RED(x) ( (((x) >> 8) & 0xf8) | (((x) >> 13) & 0x07) )
#define _RGB_UNPACK_GREEN(x) ( (((x) >> 3) & 0xfc) | (((x) >> 9) & 0x03) )
#define _RGB_UNPACK_BLUE(x) ( (((x) << 3) & 0xf8) | (((x) >> 2) & 0x07) )
#if (LCD_PIXELFORMAT == RGB565SWAPPED)
/* RGB3553 */
#define _LCD_UNSWAP_COLOR(x) swap16(x)
#define LCD_RGBPACK_LCD(r, g, b) ( (((r) << 3) ) | \
(((g) >> 3) ) | \
(((g) & 0x07) << 13) | \
(((b) << 8) ) )
#define LCD_RGBPACK(r, g, b) ( (((r) >> 3) << 3) | \
(((g) >> 5) ) | \
(((g) & 0x1c) << 11) | \
(((b) >> 3) << 8) )
/* swap color once - not currenly used in static inits */
#define _SWAPUNPACK(x, _unp_) \
({ typeof (x) _x_ = swap16(x); _unp_(_x_); })
#define RGB_UNPACK_RED(x) _SWAPUNPACK((x), _RGB_UNPACK_RED)
#define RGB_UNPACK_GREEN(x) _SWAPUNPACK((x), _RGB_UNPACK_GREEN)
#define RGB_UNPACK_BLUE(x) _SWAPUNPACK((x), _RGB_UNPACK_BLUE)
#define RGB_UNPACK_RED_LCD(x) _SWAPUNPACK((x), _RGB_UNPACK_RED_LCD)
#define RGB_UNPACK_GREEN_LCD(x) _SWAPUNPACK((x), _RGB_UNPACK_GREEN_LCD)
#define RGB_UNPACK_BLUE_LCD(x) _SWAPUNPACK((x), _RGB_UNPACK_BLUE_LCD)
#else /* LCD_PIXELFORMAT == RGB565 */
/* RGB565 */
#define _LCD_UNSWAP_COLOR(x) (x)
#define LCD_RGBPACK(r, g, b) _RGBPACK((r), (g), (b))
#define LCD_RGBPACK_LCD(r, g, b) _RGBPACK_LCD((r), (g), (b))
#define RGB_UNPACK_RED(x) _RGB_UNPACK_RED(x)
#define RGB_UNPACK_GREEN(x) _RGB_UNPACK_GREEN(x)
#define RGB_UNPACK_BLUE(x) _RGB_UNPACK_BLUE(x)
#define RGB_UNPACK_RED_LCD(x) _RGB_UNPACK_RED_LCD(x)
#define RGB_UNPACK_GREEN_LCD(x) _RGB_UNPACK_GREEN_LCD(x)
#define RGB_UNPACK_BLUE_LCD(x) _RGB_UNPACK_BLUE_LCD(x)
#endif /* RGB565* */
#else
/* other colour depths */
#endif
#define LCD_BLACK LCD_RGBPACK(0, 0, 0)
#define LCD_DARKGRAY LCD_RGBPACK(85, 85, 85)
#define LCD_LIGHTGRAY LCD_RGBPACK(170, 170, 170)
#define LCD_WHITE LCD_RGBPACK(255, 255, 255)
#define LCD_DEFAULT_FG LCD_BLACK
#define LCD_DEFAULT_BG LCD_RGBPACK(182, 198, 229) /* rockbox blue */
#define LCD_DEFAULT_LS LCD_WHITE
#elif LCD_DEPTH > 1 /* greyscale */
#define LCD_MAX_LEVEL ((1 << LCD_DEPTH) - 1)
#define LCD_BRIGHTNESS(y) (((y) * LCD_MAX_LEVEL + 127) / 255)
#define LCD_BLACK LCD_BRIGHTNESS(0)
#define LCD_DARKGRAY LCD_BRIGHTNESS(85)
#define LCD_LIGHTGRAY LCD_BRIGHTNESS(170)
#define LCD_WHITE LCD_BRIGHTNESS(255)
#define LCD_DEFAULT_FG LCD_BLACK
#define LCD_DEFAULT_BG LCD_WHITE
#endif /* HAVE_LCD_COLOR */
/* Frame buffer dimensions */
#if LCD_DEPTH == 1
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
#define LCD_FBWIDTH ((LCD_WIDTH+7)/8)
#else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
#define LCD_FBHEIGHT ((LCD_HEIGHT+7)/8)
#endif /* LCD_PIXELFORMAT */
#elif LCD_DEPTH == 2
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
#define LCD_FBWIDTH ((LCD_WIDTH+3)/4)
#else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
#define LCD_FBHEIGHT ((LCD_HEIGHT+3)/4)
#endif /* LCD_PIXELFORMAT */
#endif /* LCD_DEPTH */
/* Set defaults if not defined different yet. The defaults apply to both
* dimensions for LCD_DEPTH >= 8 */
#ifndef LCD_FBWIDTH
#define LCD_FBWIDTH LCD_WIDTH
#endif
#ifndef LCD_FBHEIGHT
#define LCD_FBHEIGHT LCD_HEIGHT
#endif
/* The actual framebuffer */
extern fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH];
/** Port-specific functions. Enable in port config file. **/
#ifdef HAVE_LCD_ENABLE
/* Enable/disable the main display. */
extern void lcd_enable(bool on);
extern bool lcd_enabled(void);
#endif /* HAVE_LCD_ENABLE */
#ifdef HAVE_LCD_SLEEP
/* Put the LCD into a power saving state deeper than lcd_enable(false). */
extern void lcd_sleep(void);
#endif /* HAVE_LCD_SLEEP */
#ifdef HAVE_LCD_SHUTDOWN
void lcd_shutdown(void);
#endif
/* Bitmap formats */
enum
{
FORMAT_MONO,
FORMAT_NATIVE,
FORMAT_ANY /* For passing to read_bmp_file() */
};
#define FORMAT_TRANSPARENT 0x40000000
#define FORMAT_DITHER 0x20000000
#define FORMAT_REMOTE 0x10000000
#define TRANSPARENT_COLOR LCD_RGBPACK(255,0,255)
#define REPLACEWITHFG_COLOR LCD_RGBPACK(0,255,255)
struct bitmap {
int width;
int height;
#if (LCD_DEPTH > 1) || defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1)
int format;
unsigned char *maskdata;
#endif
unsigned char *data;
};
extern void lcd_set_invert_display(bool yesno);
#ifdef HAVE_BACKLIGHT_INVERSION
extern void lcd_set_backlight_inversion(bool yesno);
#endif /* HAVE_BACKLIGHT_INVERSION */
extern void lcd_set_flip(bool yesno);
extern void lcd_set_drawmode(int mode);
extern int lcd_get_drawmode(void);
extern void lcd_setfont(int font);
extern void lcd_puts_style_offset(int x, int y, const unsigned char *str,
int style, int offset);
extern void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
int style, int offset);
/* low level drawing function pointer arrays */
#if LCD_DEPTH >= 8
extern lcd_fastpixelfunc_type* const *lcd_fastpixelfuncs;
#elif LCD_DEPTH > 1
extern lcd_pixelfunc_type* const *lcd_pixelfuncs;
extern lcd_blockfunc_type* const *lcd_blockfuncs;
#else /* LCD_DEPTH == 1*/
extern lcd_pixelfunc_type* const lcd_pixelfuncs[8];
extern lcd_blockfunc_type* const lcd_blockfuncs[8];
#endif /* LCD_DEPTH */
extern void lcd_drawpixel(int x, int y);
extern void lcd_drawline(int x1, int y1, int x2, int y2);
extern void lcd_hline(int x1, int x2, int y);
extern void lcd_vline(int x, int y1, int y2);
extern void lcd_drawrect(int x, int y, int width, int height);
extern void lcd_fillrect(int x, int y, int width, int height);
extern void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
extern void lcd_bitmap(const fb_data *src, int x, int y, int width,
int height);
extern void lcd_scroll_step(int pixels);
#if LCD_DEPTH > 1
extern void lcd_set_foreground(unsigned foreground);
extern unsigned lcd_get_foreground(void);
extern void lcd_set_background(unsigned background);
extern unsigned lcd_get_background(void);
#ifdef HAVE_LCD_COLOR
extern void lcd_set_selector_start(unsigned selector);
extern void lcd_set_selector_end(unsigned selector);
extern void lcd_set_selector_text(unsigned selector_text);
#endif
extern void lcd_set_drawinfo(int mode, unsigned foreground,
unsigned background);
void lcd_set_backdrop(fb_data* backdrop);
fb_data* lcd_get_backdrop(void);
extern void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
extern void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width,
int height);
extern void lcd_bitmap_transparent_part(const fb_data *src,
int src_x, int src_y,
int stride, int x, int y, int width,
int height);
extern void lcd_bitmap_transparent(const fb_data *src, int x, int y,
int width, int height);
#else /* LCD_DEPTH == 1 */
#define lcd_mono_bitmap lcd_bitmap
#define lcd_mono_bitmap_part lcd_bitmap_part
#endif /* LCD_DEPTH */
#endif /* HAVE_LCD_BITMAP */
#endif /* __LCD_H__ */
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