added the alsa-kernel header files into local tree.

2025-12-16 08:56:42 -05:00 · 2002-10-09 13:44:10 +00:00 · 2002-10-09 13:44:10 +00:00 · 7b2f5fa7e1
commit 7b2f5fa7e1
parent 163ae5738d
8 changed files with 2831 additions and 1 deletions
--- a/include/sound/ainstr_simple.h
+++ b/include/sound/ainstr_simple.h
@ -0,0 +1,158 @@
+/*
+ *  Advanced Linux Sound Architecture
+ *
+ *  Simple (MOD player) Instrument Format
+ *  Copyright (c) 1994-99 by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#ifndef __SOUND_AINSTR_SIMPLE_H
+#define __SOUND_AINSTR_SIMPLE_H
+
+#ifndef __KERNEL__
+#include <asm/types.h>
+#include <asm/byteorder.h>
+#endif
+
+/*
+ *  share types (share ID 1)
+ */
+
+#define SIMPLE_SHARE_FILE		0
+
+/*
+ *  wave formats
+ */
+
+#define SIMPLE_WAVE_16BIT		0x0001  /* 16-bit wave */
+#define SIMPLE_WAVE_UNSIGNED		0x0002  /* unsigned wave */
+#define SIMPLE_WAVE_INVERT		0x0002  /* same as unsigned wave */
+#define SIMPLE_WAVE_BACKWARD		0x0004  /* backward mode (maybe used for reverb or ping-ping loop) */
+#define SIMPLE_WAVE_LOOP		0x0008  /* loop mode */
+#define SIMPLE_WAVE_BIDIR		0x0010  /* bidirectional mode */
+#define SIMPLE_WAVE_STEREO		0x0100	/* stereo wave */
+#define SIMPLE_WAVE_ULAW		0x0200	/* uLaw compression mode */
+
+/*
+ *  instrument effects
+ */
+
+#define SIMPLE_EFFECT_NONE		0
+#define SIMPLE_EFFECT_REVERB		1
+#define SIMPLE_EFFECT_CHORUS		2
+#define SIMPLE_EFFECT_ECHO		3
+
+/*
+ *  instrument info
+ */
+
+typedef struct simple_instrument_info {
+	unsigned int format;		/* supported format bits */
+	unsigned int effects;		/* supported effects (1 << SIMPLE_EFFECT_*) */
+	unsigned int max8_len;		/* maximum 8-bit wave length */
+	unsigned int max16_len;		/* maximum 16-bit wave length */
+} simple_instrument_info_t;
+
+/*
+ *  Instrument
+ */
+
+typedef struct {
+	unsigned int share_id[4];	/* share id - zero = no sharing */
+	unsigned int format;		/* wave format */
+
+	struct {
+		unsigned int number;	/* some other ID for this instrument */
+		unsigned int memory;	/* begin of waveform in onboard memory */
+		unsigned char *ptr;	/* pointer to waveform in system memory */
+	} address;
+
+	unsigned int size;		/* size of waveform in samples */
+	unsigned int start;		/* start offset in samples * 16 (lowest 4 bits - fraction) */
+	unsigned int loop_start;	/* loop start offset in samples * 16 (lowest 4 bits - fraction) */
+	unsigned int loop_end;		/* loop end offset in samples * 16 (lowest 4 bits - fraction) */
+	unsigned short loop_repeat;	/* loop repeat - 0 = forever */
+
+	unsigned char effect1;		/* effect 1 */
+	unsigned char effect1_depth;	/* 0-127 */
+	unsigned char effect2;		/* effect 2 */
+	unsigned char effect2_depth;	/* 0-127 */
+} simple_instrument_t;
+
+/*
+ *
+ *    Kernel <-> user space
+ *    Hardware (CPU) independent section
+ *
+ *    * = zero or more
+ *    + = one or more
+ *
+ *    simple_xinstrument	SIMPLE_STRU_INSTR
+ *
+ */
+
+#define SIMPLE_STRU_INSTR	__cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T')
+
+/*
+ *  Instrument
+ */
+
+typedef struct simple_xinstrument {
+	__u32 stype;
+
+	__u32 share_id[4];		/* share id - zero = no sharing */
+	__u32 format;			/* wave format */
+
+	__u32 size;			/* size of waveform in samples */
+	__u32 start;			/* start offset in samples * 16 (lowest 4 bits - fraction) */
+	__u32 loop_start;		/* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */
+	__u32 loop_end;			/* loop start offset in samples * 16 (lowest 4 bits - fraction) */
+	__u16 loop_repeat;		/* loop repeat - 0 = forever */
+	
+	__u8 effect1;			/* effect 1 */
+	__u8 effect1_depth;		/* 0-127 */
+	__u8 effect2;			/* effect 2 */
+	__u8 effect2_depth;		/* 0-127 */
+} simple_xinstrument_t;
+
+#ifdef __KERNEL__
+
+#include "seq_instr.h"
+
+extern char *snd_seq_simple_id;
+
+typedef struct {
+	void *private_data;
+	int (*info)(void *private_data, simple_instrument_info_t *info);
+	int (*put_sample)(void *private_data, simple_instrument_t *instr,
+	                  char *data, long len, int atomic);
+	int (*get_sample)(void *private_data, simple_instrument_t *instr,
+			  char *data, long len, int atomic);
+	int (*remove_sample)(void *private_data, simple_instrument_t *instr,
+			     int atomic);
+	void (*notify)(void *private_data, snd_seq_kinstr_t *instr, int what);
+	snd_seq_kinstr_ops_t kops;
+} snd_simple_ops_t;
+
+int snd_seq_simple_init(snd_simple_ops_t *ops,
+			void *private_data,
+			snd_seq_kinstr_ops_t *next);
+
+#endif
+
+#endif /* __SOUND_AINSTR_SIMPLE_H */