[sdl_omap.git] / src / audio / nds / soundcommon.h

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifndef __SOUNDCOMMON_H
#define __SOUNDCOMMON_H

#include <nds.h>

#define CLOCK (1 << 25)

#ifdef __cplusplus
extern "C" {
#endif

typedef enum
{
	NONE = 0,
	INIT = 1,
	MIX = 2,
	MIXING = 4,
	STOP = 8
}CommandType;

typedef enum
{
	FIFO_NONE = 0,
	UPDATEON_ARM9 = 1,
	MIXCOMPLETE_ONARM9 = 2,
}FifoType; 

typedef struct
{
	s8 *mixbuffer;//,*soundbuffer;
	u32 rate;
	u32 buffersize;
	u32 cmd;
	u8 channel,format;
	u32 soundcursor,numsamples;
	s32 prevtimer;
	s16 period;
}S_SoundSystem;

#define soundsystem ((S_SoundSystem*)((u32)(IPC)+sizeof(TransferRegion)))

#ifdef ARM9
extern void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format);
extern void SoundStartMixer(void);
extern void SendCommandToArm7(u32 command);
#else
extern void SoundVBlankIrq(void);
extern void SoundSwapAndMix(void);
extern void SoundSetTimer(int period);
extern void SoundFifoHandler(void);
extern void SendCommandToArm9(u32 command);
#endif

#ifdef __cplusplus
}
#endif
#endif
Commit	Line	Data
e14743d1	1	/*
	2	SDL - Simple DirectMedia Layer
	3	Copyright (C) 1997-2009 Sam Lantinga
	4
	5	This library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	This library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with this library; if not, write to the Free Software
	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18
	19	Sam Lantinga
	20	slouken@libsdl.org
	21	*/
	22	#include "SDL_config.h"
	23
	24	#ifndef __SOUNDCOMMON_H
	25	#define __SOUNDCOMMON_H
	26
	27	#include <nds.h>
	28
	29	#define CLOCK (1 << 25)
	30
	31	#ifdef __cplusplus
	32	extern "C" {
	33	#endif
	34
	35	typedef enum
	36	{
	37	NONE = 0,
	38	INIT = 1,
	39	MIX = 2,
	40	MIXING = 4,
	41	STOP = 8
	42	}CommandType;
	43
	44	typedef enum
	45	{
	46	FIFO_NONE = 0,
	47	UPDATEON_ARM9 = 1,
	48	MIXCOMPLETE_ONARM9 = 2,
	49	}FifoType;
	50
	51	typedef struct
	52	{
	53	s8 mixbuffer;//,soundbuffer;
	54	u32 rate;
	55	u32 buffersize;
	56	u32 cmd;
	57	u8 channel,format;
	58	u32 soundcursor,numsamples;
	59	s32 prevtimer;
	60	s16 period;
	61	}S_SoundSystem;
	62
	63	#define soundsystem ((S_SoundSystem*)((u32)(IPC)+sizeof(TransferRegion)))
	64
65	#ifdef ARM9
66	extern void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format);
67	extern void SoundStartMixer(void);
68	extern void SendCommandToArm7(u32 command);
69	#else
70	extern void SoundVBlankIrq(void);
71	extern void SoundSwapAndMix(void);
72	extern void SoundSetTimer(int period);
73	extern void SoundFifoHandler(void);
74	extern void SendCommandToArm9(u32 command);
75	#endif
76
77	#ifdef __cplusplus
78	}
79	#endif
80	#endif