/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public

    License along with this library; if not, write to the Free

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

/*

	Centscreen extension definitions

	Patrice Mandin

*/

#ifndef _SDL_xbios_centscreen_h

#define _SDL_xbios_centscreen_h

#include <mint/falcon.h>	/* for trap_14_xxx macros */

#include "SDL_xbios.h"

/*--- Defines ---*/

#ifndef C_CNTS

#define C_CNTS 0x434e5453L

#endif

#define CSCREEN_ENERGYSTAR		(1<<9)

#define CSCREEN_SAVER			(1<<10)

#define CSCREEN_VIRTUAL			(1<<11)

#define CSCREEN_EXTCLOCK_CT2	(1<<12)

#define CSCREEN_EXTCLOCK		(1<<13)

#define CSCREEN_STANDARD		(1<<14)

#define CSCREEN_DEFAULT			(1<<15)

/*--- Structures ---*/

typedef struct {

	unsigned short	handle;	/* videomode handle */

	unsigned short	mode;	/* Falcon videomode code */

	unsigned short	physx;	/* visible width */

	unsigned short	physy;	/* visible height */

	unsigned short	plan;	/* bitplanes */

	unsigned short	logx;	/* virtual width */

	unsigned short	logy;	/* virtual height */

	unsigned short	eco;	/* screen saver delay */

	unsigned short	eco2;	/* energy star screen saver delay */

	unsigned short	wsize;	/* screen width (mm) */

	unsigned short	hsize;	/* screen height (mm) */

	unsigned short	dummy[21];

	unsigned char	name[32];	/* videomode name */

} __attribute__((packed)) centscreen_mode_t;

/*--- Functions prototypes ---*/

#define Vread(current_mode)	\

	(void)trap_14_wl((short)0x41,(long)(current_mode))

#define Vwrite(init_vdi, inparam, outparam)	\

	(long)trap_14_wwll((short)0x42,(short)(init_vdi),(long)(inparam),(long)(outparam))

#define Vattrib(inparam, outparam)	\

	(void)trap_14_wll((short)0x43,(long)(inparam),(long)(outparam))

#define Vcreate(inparam, outparam)	\

	(void)trap_14_wll((short)0x44,(long)(inparam),(long)(outparam))

#define Vdelete(handle)	\

	(long)trap_14_ww((short)0x45,(short)(handle))

#define Vfirst(mask,mode)	\

	(long)trap_14_wll((short)0x46,(long)(mask),(long)(mode))

#define Vnext(mask,mode)	\

	(long)trap_14_wll((short)0x47,(long)(mask),(long)(mode))

#define Vvalid(handle)	\

	(long)trap_14_ww((short)0x48,(short)(handle))

#define Vload()	\

	(long)trap_14_w((short)0x49)

#define Vsave()	\

	(long)trap_14_w((short)0x4a)

#define Vopen()	\

	(long)trap_14_w((short)0x4b)

#define Vclose()	\

	(long)trap_14_w((short)0x4c)

#define Vscroll(scrollmode)	\

	(long)trap_14_ww((short)0x4d,(short)(scrollmode))

#define Voffset()	\

	(long)trap_14_w((short)0x4e)

#define Vseek()	\

	(long)trap_14_w((short)0x4f)

#define Vlock(cmd)	\

	(long)trap_14_ww((short)0x50,(short)(cmd))

#define SetMon(montype)	\

	(long)trap_14_ww((short)0x51,(short)(montype))

#define MultiMon(cmd)	\

	(long)trap_14_ww((short)0x52,(short)(cmd))

#define VSizeComp()	\

	(long)trap_14_w((short)0x53)

#define Vsize(mode)	\

	(long)trap_14_wl((short)0x54,(long)(mode))

/*--- Functions prototypes ---*/

int SDL_XBIOS_CentscreenInit(_THIS);

void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes);

void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle);

#endif /* _SDL_xbios_centscreen_h */