137 lines
5.5 KiB
C
137 lines
5.5 KiB
C
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/*
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Copyright (C) 1994-1995 Apogee Software, Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/**********************************************************************
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module: _SNDSCAP.H
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author: James R. Dose
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date: October 26, 1994
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Private header for SNDSCAPE.C
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(c) Copyright 1994 James R. Dose. All Rights Reserved.
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**********************************************************************/
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#ifndef ___SNDSCAP_H
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#define ___SNDSCAP_H
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#define VALID ( 1 == 1 )
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#define INVALID ( !VALID )
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#define TRUE ( 1 == 1 )
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#define FALSE ( !TRUE )
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#define lobyte( num ) ( ( int )*( ( char * )&( num ) ) )
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#define hibyte( num ) ( ( int )*( ( ( char * )&( num ) ) + 1 ) )
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#define STEREO 1
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#define SIXTEEN_BIT 2
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#define MONO_8BIT 0
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#define STEREO_8BIT ( STEREO )
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#define MONO_16BIT ( SIXTEEN_BIT )
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#define STEREO_16BIT ( STEREO | SIXTEEN_BIT )
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#define SOUNDSCAPE_MaxMixMode STEREO_16BIT
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#define MONO_8BIT_SAMPLE_SIZE 1
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#define MONO_16BIT_SAMPLE_SIZE 2
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#define STEREO_8BIT_SAMPLE_SIZE ( 2 * MONO_8BIT_SAMPLE_SIZE )
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#define STEREO_16BIT_SAMPLE_SIZE ( 2 * MONO_16BIT_SAMPLE_SIZE )
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#define SOUNDSCAPE_DefaultSampleRate 11000
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#define SOUNDSCAPE_DefaultMixMode MONO_8BIT
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#define SOUNDSCAPE_MaxIrq 15
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/* Ensoniq gate-array chip defines ... */
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#define ODIE 0 /* ODIE gate array */
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#define OPUS 1 /* OPUS gate array */
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#define MMIC 2 /* MiMIC gate array */
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/* relevant direct register defines - offsets from base address */
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#define GA_HOSTCSTAT 2 /* host port ctrl/stat reg */
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#define GA_HOSTDATA 3 /* host port data reg */
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#define GA_REGADDR 4 /* indirect address reg */
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#define GA_REGDATA 5 /* indirect data reg */
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#define SB_IACK 0x22e /* SoundBlaster IACK register */
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/* relevant indirect register defines */
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#define GA_DMACHB 3 /* DMA chan B assign reg */
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#define GA_INTCFG 4 /* interrupt configuration reg */
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#define GA_DMACFG 5 /* DMA config reg */
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#define GA_CDCFG 6 /* CD-ROM (AD-1848) config reg */
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#define GA_HMCTL 9 /* host master control reg */
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#define GA_CHIPSEL 10 /* programmable external chip select */
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/* AD-1848 chip defines ... */
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/* relevant direct register defines */
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#define AD_REGADDR 0 /* indirect address reg */
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#define AD_REGDATA 1 /* indirect data reg */
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#define AD_STATUS 2 /* status register */
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#define AD_OFFSET 8 /* for some boards, a fixed BasePort offset */
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/* relevant indirect register defines */
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#define AD_LEFTOUT 6 /* left DAC output control reg */
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#define AD_RIGHTOUT 7 /* right DAC output control reg */
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#define AD_FORMAT 8 /* clock and data format reg */
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#define AD_CONFIG 9 /* interface config register */
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#define AD_PINCTRL 10 /* external pin control reg */
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#define AD_UCOUNT 14 /* upper count reg */
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#define AD_LCOUNT 15 /* lower count reg */
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/* some firmware command and communication defines */
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#define SET_CTL 0x88 /* set a control value */
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#define GET_CTL 0x89 /* get a control value */
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#define SET_REV 0xb0 /* set synth reverb */
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#define SYNTH_VOL 0x04 /* Synth Vol control number */
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#define RXRDY 0x01 /* Receive-Ready bit mask */
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#define TXRDY 0x02 /* Transmit-Ready bit mask */
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/* some miscellaneous defines ... soundscape reg values, sytem int regs, ... */
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#define INTCONT1 0x20 /* Interrupt Controller 1 control register */
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#define INTCONT2 0xa0 /* Interrupt Controller 2 control register */
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#define INTMASK1 0x21 /* Interrupt Controller 1 mask register */
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#define INTMASK2 0xa1 /* Interrupt Controller 2 mask register */
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#define VECTBASE1 0x08 /* vector base for XT interrupts */
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#define VECTBASE2 0x70 /* vector base for AT extended interrupts */
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#define EOI 0x20 /* End Of Interrupt command */
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#define AUTO_OUT 0x58 /* DMA controller mode */
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static void SOUNDSCAPE_EnableInterrupt( void );
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static void SOUNDSCAPE_DisableInterrupt( void );
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static void __interrupt __far SOUNDSCAPE_ServiceInterrupt( void );
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static int ga_read( int rnum );
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static void ga_write( int rnum, int value );
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static int ad_read( int rnum );
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static void ad_write( int rnum, int value );
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static void tdelay( void );
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static void pcm_format( void );
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static int SOUNDSCAPE_SetupDMABuffer( char *BufferPtr, int BufferSize, int mode );
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static int SOUNDSCAPE_BeginPlayback( int length );
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static void SOUNDSCAPE_LockEnd( void );
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static void SOUNDSCAPE_UnlockMemory( void );
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static int SOUNDSCAPE_LockMemory( void );
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static unsigned short allocateTimerStack( unsigned short size );
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static void deallocateTimerStack( unsigned short selector );
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static int parse( char *val, char *str, FILE *p1 );
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static int SOUNDSCAPE_FindCard( void );
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static int SOUNDSCAPE_Setup( void );
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#endif
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