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padvar.h revision 1.3 
      1 /* $NetBSD: padvar.h,v 1.3 2008/09/04 10:42:55 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _SYS_DEV_PAD_PADVAR_H
     30 #define _SYS_DEV_PAD_PADVAR_H
     31 
     32 typedef struct pad_softc {
     33 	device_t	sc_dev;
     34 
     35 	int		sc_open;
     36 	struct audio_encoding_set *sc_encodings;
     37 	void		(*sc_intr)(void *);
     38 	void		*sc_intrarg;
     39 
     40 	kcondvar_t	sc_condvar;
     41 	kmutex_t	sc_mutex;
     42 
     43 	struct audio_softc *sc_audiodev;
     44 	int		sc_blksize;
     45 
     46 #define PAD_BLKSIZE	1024
     47 #define PAD_BUFSIZE	65536
     48 	uint8_t		sc_audiobuf[PAD_BUFSIZE];
     49 	uint32_t	sc_buflen;
     50 	uint32_t	sc_rpos, sc_wpos;
     51 
     52 	u_int		sc_swvol;
     53 } pad_softc_t;
     54 
     55 #endif /* !_SYS_DEV_PAD_PADVAR_H */
     56