--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/audio/mint/SDL_mintaudio.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,153 @@
+/*
+    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"
+
+/*
+	MiNT audio driver
+
+	Patrice Mandin
+*/
+
+#ifndef _SDL_mintaudio_h
+#define _SDL_mintaudio_h
+
+#include "../SDL_sysaudio.h"
+#include "SDL_mintaudio_stfa.h"
+
+/* Hidden "this" pointer for the audio functions */
+#define _THIS	SDL_AudioDevice *this
+
+/* 16 predivisors with 3 clocks max. */
+#define MINTAUDIO_maxfreqs		(16*3)		
+
+typedef struct {
+	Uint32	frequency;
+	Uint32	masterclock;
+	Uint32	predivisor;
+	int	gpio_bits;	/* in case of external clock */
+} mint_frequency_t;
+
+struct SDL_PrivateAudioData {
+	mint_frequency_t	frequencies[MINTAUDIO_maxfreqs];
+	int 	freq_count;		/* Number of frequencies in the array */
+	int		numfreq;		/* Number of selected frequency */
+};
+
+/* Old variable names */
+
+#define MINTAUDIO_frequencies	(this->hidden->frequencies)
+#define MINTAUDIO_freqcount		(this->hidden->freq_count)
+#define MINTAUDIO_numfreq		(this->hidden->numfreq)
+
+/* _MCH cookie (values>>16) */
+enum {
+	MCH_ST=0,
+	MCH_STE,
+	MCH_TT,
+	MCH_F30,
+	MCH_CLONE,
+	MCH_ARANYM
+};
+
+/* Master clocks for replay frequencies */
+#define MASTERCLOCK_STE		8010666		/* Not sure of this one */
+#define MASTERCLOCK_TT		16107953	/* Not sure of this one */
+#define MASTERCLOCK_FALCON1	25175000
+#define MASTERCLOCK_FALCON2	32000000	/* Only usable for DSP56K */
+#define MASTERCLOCK_FALCONEXT	-1		/* Clock on DSP56K port, unknown */
+#define MASTERCLOCK_44K		22579200	/* Standard clock for 44.1 Khz */
+#define MASTERCLOCK_48K		24576000	/* Standard clock for 48 Khz */
+
+/* Master clock predivisors */
+#define MASTERPREDIV_STE	160
+#define MASTERPREDIV_TT		320
+#define MASTERPREDIV_FALCON	256
+#define MASTERPREDIV_MILAN	256
+
+/* MFP 68901 interrupt sources */
+enum {
+	MFP_PARALLEL=0,
+	MFP_DCD,
+	MFP_CTS,
+	MFP_BITBLT,
+	MFP_TIMERD,
+	MFP_BAUDRATE=MFP_TIMERD,
+	MFP_TIMERC,
+	MFP_200HZ=MFP_TIMERC,
+	MFP_ACIA,
+	MFP_DISK,
+	MFP_TIMERB,
+	MFP_HBLANK=MFP_TIMERB,
+	MFP_TERR,
+	MFP_TBE,
+	MFP_RERR,
+	MFP_RBF,
+	MFP_TIMERA,
+	MFP_DMASOUND=MFP_TIMERA,
+	MFP_RING,
+	MFP_MONODETECT
+};
+
+/* Xbtimer() timers */
+enum {
+	XB_TIMERA=0,
+	XB_TIMERB,
+	XB_TIMERC,
+	XB_TIMERD
+};
+
+/* Variables */
+extern SDL_AudioDevice *SDL_MintAudio_device;
+extern Uint8 *SDL_MintAudio_audiobuf[2];	/* Pointers to buffers */
+extern unsigned long SDL_MintAudio_audiosize;		/* Length of audio buffer=spec->size */
+extern volatile unsigned short SDL_MintAudio_numbuf;		/* Buffer to play */
+extern volatile unsigned short SDL_MintAudio_mutex;
+extern cookie_stfa_t *SDL_MintAudio_stfa;
+extern volatile unsigned long SDL_MintAudio_clocktics;
+extern unsigned short SDL_MintAudio_hasfpu;	/* To preserve fpu registers if needed */
+
+/* MiNT thread variables */
+extern SDL_bool	SDL_MintAudio_mint_present;
+extern SDL_bool SDL_MintAudio_quit_thread;
+extern SDL_bool SDL_MintAudio_thread_finished;
+extern long SDL_MintAudio_thread_pid;
+
+/* Functions */
+void SDL_MintAudio_Callback(void);
+void SDL_MintAudio_AddFrequency(_THIS, Uint32 frequency, Uint32 clock,
+	Uint32 prediv, int gpio_bits);
+int SDL_MintAudio_SearchFrequency(_THIS, int desired_freq);
+void SDL_MintAudio_CheckFpu(void);
+
+/* MiNT thread functions */
+int SDL_MintAudio_Thread(long param);
+void SDL_MintAudio_WaitThread(void);
+
+/* ASM interrupt functions */
+void SDL_MintAudio_GsxbInterrupt(void);
+void SDL_MintAudio_EmptyGsxbInterrupt(void);
+void SDL_MintAudio_XbiosInterruptMeasureClock(void);
+void SDL_MintAudio_XbiosInterrupt(void);
+void SDL_MintAudio_Dma8Interrupt(void);
+void SDL_MintAudio_StfaInterrupt(void);
+
+#endif /* _SDL_mintaudio_h */