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#ifndef _OSS_EXPORTS_H
#define _OSS_EXPORTS_H
/*
*
* This file is part of Open Sound System.
*
* Copyright (C) 4Front Technologies 1996-2008.
*
* This this source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
*/
/*
* Driver (bus) types
*
* Note that OSSDDK drivers can only use DRV_PCI or DRV_VIRTUAL. The other
* bus types will not work properly because support for them is missing
* from the DDK layer.
*/
#define DRV_UNKNOWN 0
#define DRV_PCI 1
#define DRV_USB 2
#define DRV_VIRTUAL 3
#define DRV_VMIX 4 /* Like DRV_VIRTUAL. Used by the vmix module. */
#define DRV_STREAMS 5
#define DRV_ISA 6
#define DRV_FIREWIRE 7
#define DRV_CLONE 8 /* Clone of some other device */
/*
* Device class numbers. Unlike with earlier OSS versions (up to v4.0)
* the minor number doesn't have any special meaning. Minor numbers
* will be allocated in the order the device files are initialized. Even
* the major number doesn't necessaily be the same for all OSS devices.
* Minor numbers will be just indexes to a table (in os.c) that contains
* the device class code, instance number, driver call table and things like that.
* Ideally OSS will use devfs to expose the available devices.
*/
extern int oss_max_audio_devfiles;
extern int oss_max_audio_engines;
#define MAX_SYNTH_DEV 6 // TODO: Remove
#define MAX_AUDIO_DEVFILES oss_max_audio_devfiles
#define MAX_AUDIO_ENGINES oss_max_audio_engines
#define SYNC_DEVICE_MASK 0xffff
#include "oss_limits.h"
/*
* Device file class codes. Note that these numbers don't have any kind of relationship with minor numbers.
*/
#define OSS_DEV_STATUS 0 /* /dev/sndstat */
#define OSS_DEV_VDSP 1 /* /dev/dsp (multiplexer device) */
#define OSS_DEV_VAUDIO 2 /* /dev/audio (multiplexer device) */
#define OSS_DEV_AWFM 3 /* Reserved for historic purposes */
#define OSS_DEV_OSSD 4 /* /dev/ossd - ossd process support */
#define OSS_DEV_AUDIOCTL 5 /* Audioctl device */
#define OSS_DEV_MIXER 6 /* /dev/mixer0 */
#define OSS_DEV_SEQ 7 /* /dev/sequencer */
#define OSS_DEV_MUSIC 8 /* /dev/music AKA /dev/sequencer2 */
#define OSS_DEV_VMIDI 9 /* /dev/midi (multiplexer device) */
#define OSS_DEV_MIDI 10 /* /dev/midi## */
#define OSS_DEV_DEVAUDIO 11 /* /dev/audio# */
#define OSS_DEV_DSP 12 /* /dev/dsp# */
#define OSS_DEV_MISC 13 /* Special purpose device files */
#define OSS_DEV_DSP_ENGINE 14 /* Hidden DSP engines */
extern int oss_max_cdevs;
#define OSS_MAX_CDEVS oss_max_cdevs
/*
* Misc definitions
*/
typedef struct _oss_device_t oss_device_t;
#if defined(linux) && defined(OSS_MAINLINE_BUILD)
#include <stdint.h>
#endif
/*
* AC97
*/
typedef int (*ac97_readfunc_t) (void *, int);
typedef int (*ac97_writefunc_t) (void *, int, int);
typedef struct _ac97_handle_t ac97_handle_t;
/*
* Mixer
*/
typedef struct _mixer_driver_t mixer_driver_t;
typedef struct _mixer_operations_t mixer_operations_t;
typedef int (*mixer_create_controls_t) (int dev);
typedef int (*mixer_ext_fn) (int dev, int ctrl, unsigned int cmd, int value);
extern void oss_audio_delayed_attach (void);
#endif
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