188447a05SGarrett D'Amore /*
288447a05SGarrett D'Amore  * CDDL HEADER START
388447a05SGarrett D'Amore  *
488447a05SGarrett D'Amore  * The contents of this file are subject to the terms of the
588447a05SGarrett D'Amore  * Common Development and Distribution License (the "License").
688447a05SGarrett D'Amore  * You may not use this file except in compliance with the License.
788447a05SGarrett D'Amore  *
888447a05SGarrett D'Amore  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
988447a05SGarrett D'Amore  * or http://www.opensolaris.org/os/licensing.
1088447a05SGarrett D'Amore  * See the License for the specific language governing permissions
1188447a05SGarrett D'Amore  * and limitations under the License.
1288447a05SGarrett D'Amore  *
1388447a05SGarrett D'Amore  * When distributing Covered Code, include this CDDL HEADER in each
1488447a05SGarrett D'Amore  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1588447a05SGarrett D'Amore  * If applicable, add the following below this CDDL HEADER, with the
1688447a05SGarrett D'Amore  * fields enclosed by brackets "[]" replaced with your own identifying
1788447a05SGarrett D'Amore  * information: Portions Copyright [yyyy] [name of copyright owner]
1888447a05SGarrett D'Amore  *
1988447a05SGarrett D'Amore  * CDDL HEADER END
2088447a05SGarrett D'Amore  */
2188447a05SGarrett D'Amore /*
2288447a05SGarrett D'Amore  * Copyright (C) 4Front Technologies 1996-2008.
2388447a05SGarrett D'Amore  *
24*2c30fa45SGarrett D'Amore  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
2588447a05SGarrett D'Amore  */
2688447a05SGarrett D'Amore 
2788447a05SGarrett D'Amore #ifndef	_AUDIO_IMPL_H
2888447a05SGarrett D'Amore #define	_AUDIO_IMPL_H
2988447a05SGarrett D'Amore 
3088447a05SGarrett D'Amore #include <sys/types.h>
3188447a05SGarrett D'Amore #include <sys/list.h>
3288447a05SGarrett D'Amore #include <sys/poll.h>
3388447a05SGarrett D'Amore 
3488447a05SGarrett D'Amore #include <sys/audio/audio_driver.h>
3588447a05SGarrett D'Amore #include "audio_client.h"
3688447a05SGarrett D'Amore 
3788447a05SGarrett D'Amore #define	AUDIO_MAX_OPENS		256
3888447a05SGarrett D'Amore #define	AUDIO_MAX_CHANNELS	16
3988447a05SGarrett D'Amore #define	AUDIO_UNIT_EXPAND	1024
4088447a05SGarrett D'Amore #define	AUDIO_CHBUFS		2048	/* samples for mixing */
4188447a05SGarrett D'Amore #define	AUDIO_VOL_SCALE		256
4288447a05SGarrett D'Amore #define	AUDIO_DB_SIZE		50
4388447a05SGarrett D'Amore 
4468c47f65SGarrett D'Amore #define	AUDIO_INTRHZ		100
4568c47f65SGarrett D'Amore #define	AUDIO_INTRHZ_MIN	50	/* 20 msec max */
4668c47f65SGarrett D'Amore #define	AUDIO_INTRHZ_MAX	500
4768c47f65SGarrett D'Amore 
4888447a05SGarrett D'Amore struct audio_parms {
4988447a05SGarrett D'Amore 	int		p_format;
5088447a05SGarrett D'Amore 	int		p_rate;
5188447a05SGarrett D'Amore 	int		p_nchan;
5288447a05SGarrett D'Amore };
5388447a05SGarrett D'Amore 
5488447a05SGarrett D'Amore typedef int (*audio_cnv_func_t)(audio_stream_t *, int);
5588447a05SGarrett D'Amore 
5688447a05SGarrett D'Amore struct audio_buffer {
5788447a05SGarrett D'Amore 	caddr_t			b_data;
5888447a05SGarrett D'Amore 	uint64_t		b_head;
5988447a05SGarrett D'Amore 	uint64_t		b_tail;
6068c47f65SGarrett D'Amore 	uint_t			b_hidx;		/* head % nframes */
6168c47f65SGarrett D'Amore 	uint_t			b_tidx;		/* tail % nframes */
6268c47f65SGarrett D'Amore 	uint_t			b_nframes;	/* total frames */
6368c47f65SGarrett D'Amore 	uint_t			b_framesz;	/* bytes per frame  */
6488447a05SGarrett D'Amore };
6588447a05SGarrett D'Amore 
6688447a05SGarrett D'Amore /*
6788447a05SGarrett D'Amore  * struct audio_stream: This structure represents a virtual stream exposed
6888447a05SGarrett D'Amore  * to a single client.  Each client will have at most two of these (one for
6988447a05SGarrett D'Amore  * record, one for playback.)
7088447a05SGarrett D'Amore  */
7188447a05SGarrett D'Amore struct audio_stream {
7288447a05SGarrett D'Amore 	audio_buffer_t		s_buf;
7388447a05SGarrett D'Amore #define	s_data			s_buf.b_data
7488447a05SGarrett D'Amore #define	s_bufsz			s_buf.b_size
7588447a05SGarrett D'Amore #define	s_head			s_buf.b_head
7688447a05SGarrett D'Amore #define	s_tail			s_buf.b_tail
7788447a05SGarrett D'Amore #define	s_framesz		s_buf.b_framesz
7888447a05SGarrett D'Amore #define	s_nframes		s_buf.b_nframes
7988447a05SGarrett D'Amore #define	s_tidx			s_buf.b_tidx
8088447a05SGarrett D'Amore #define	s_hidx			s_buf.b_hidx
8168c47f65SGarrett D'Amore 	uint_t			s_nfrags;
8268c47f65SGarrett D'Amore 	uint_t			s_fragfr;
8368c47f65SGarrett D'Amore 	uint_t			s_nbytes;
8468c47f65SGarrett D'Amore 	uint_t			s_fragbytes;
8588447a05SGarrett D'Amore 	ddi_umem_cookie_t	s_cookie;
86a702341cSGarrett D'Amore 	uint32_t		s_allocsz;
87a702341cSGarrett D'Amore 	uint32_t		s_hintsz;	/* latency hints */
88a702341cSGarrett D'Amore 	uint16_t		s_hintfrags;
8988447a05SGarrett D'Amore 
9088447a05SGarrett D'Amore 	/*
9188447a05SGarrett D'Amore 	 * Various counters.
9288447a05SGarrett D'Amore 	 */
9388447a05SGarrett D'Amore 	uint64_t		s_samples;
9488447a05SGarrett D'Amore 	uint64_t		s_errors;	/* underrun or overrun count */
9588447a05SGarrett D'Amore 
9688447a05SGarrett D'Amore 	boolean_t		s_running;
9788447a05SGarrett D'Amore 	boolean_t		s_paused;	/* stream paused */
9888447a05SGarrett D'Amore 	boolean_t		s_draining;	/* stream draining */
9988447a05SGarrett D'Amore 
10088447a05SGarrett D'Amore 	/*
10188447a05SGarrett D'Amore 	 * Sample rate conversion (SRC) and format conversion details.
10288447a05SGarrett D'Amore 	 */
10388447a05SGarrett D'Amore 	struct grc3state	*s_src_state[AUDIO_MAX_CHANNELS];
10468c47f65SGarrett D'Amore 	uint_t			s_src_quality;
10588447a05SGarrett D'Amore 	int			s_cnv_max;
10688447a05SGarrett D'Amore 	audio_cnv_func_t	s_converter;
10788447a05SGarrett D'Amore 	uint32_t		*s_cnv_buf0;
10888447a05SGarrett D'Amore 	uint32_t		*s_cnv_buf1;
10988447a05SGarrett D'Amore 	void			*s_cnv_src;
11088447a05SGarrett D'Amore 	void			*s_cnv_dst;
11188447a05SGarrett D'Amore 	audio_parms_t		s_cnv_src_parms;
11288447a05SGarrett D'Amore #define	s_cnv_src_nchan		s_cnv_src_parms.p_nchan
11388447a05SGarrett D'Amore #define	s_cnv_src_rate		s_cnv_src_parms.p_rate
11488447a05SGarrett D'Amore #define	s_cnv_src_format	s_cnv_src_parms.p_format
11588447a05SGarrett D'Amore 
11688447a05SGarrett D'Amore 	audio_parms_t		s_cnv_dst_parms;
11788447a05SGarrett D'Amore #define	s_cnv_dst_nchan		s_cnv_dst_parms.p_nchan
11888447a05SGarrett D'Amore #define	s_cnv_dst_rate		s_cnv_dst_parms.p_rate
11988447a05SGarrett D'Amore #define	s_cnv_dst_format	s_cnv_dst_parms.p_format
12088447a05SGarrett D'Amore 
12188447a05SGarrett D'Amore 	size_t			s_cnv_cnt;
12288447a05SGarrett D'Amore 	int32_t			*s_cnv_ptr;
12388447a05SGarrett D'Amore 
12488447a05SGarrett D'Amore 	audio_parms_t		*s_user_parms;
12588447a05SGarrett D'Amore 	audio_parms_t		*s_phys_parms;
12688447a05SGarrett D'Amore 
12788447a05SGarrett D'Amore 	/*
12888447a05SGarrett D'Amore 	 * Volume.
12988447a05SGarrett D'Amore 	 */
13088447a05SGarrett D'Amore 	uint8_t			s_gain_master;
13188447a05SGarrett D'Amore 	uint8_t			s_gain_pct;
13288447a05SGarrett D'Amore 	uint16_t		s_gain_scaled;
13388447a05SGarrett D'Amore 	uint16_t		s_gain_eff;
13488447a05SGarrett D'Amore 	boolean_t		s_muted;
13588447a05SGarrett D'Amore 
13688447a05SGarrett D'Amore 	/*
13788447a05SGarrett D'Amore 	 * Callbacks.
13888447a05SGarrett D'Amore 	 */
13988447a05SGarrett D'Amore 	uint64_t		s_drain_idx;	/* engine index */
14088447a05SGarrett D'Amore 
14188447a05SGarrett D'Amore 	/*
14288447a05SGarrett D'Amore 	 * Other per stream details, e.g. channel offset, etc.
14388447a05SGarrett D'Amore 	 */
14488447a05SGarrett D'Amore 	kmutex_t		s_lock;
14588447a05SGarrett D'Amore 	kcondvar_t		s_cv;
14688447a05S