Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 101 insertions, 0 deletions

diff --git a/kernel/framework/include/ossddk/oss_exports.h b/kernel/framework/include/ossddk/oss_exports.h
new file mode 100644
index 0000000..437e3f4
--- /dev/null
+++ b/kernel/framework/include/ossddk/oss_exports.h
@@ -0,0 +1,101 @@
+#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