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      1 /* $NetBSD: padvar.h,v 1.17 2023/01/24 08:17:11 mlelstv 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 #include <sys/types.h>
     33 
     34 #include <sys/callout.h>
     35 #include <sys/condvar.h>
     36 #include <sys/device_if.h>
     37 #include <sys/mutex.h>
     38 
     39 struct pad_softc {
     40 	device_t	sc_dev;
     41 
     42 	u_int		sc_open;
     43 	void		(*sc_intr)(void *);
     44 	void		*sc_intrarg;
     45 
     46 	kcondvar_t	sc_condvar;
     47 	kmutex_t	sc_lock;
     48 	kmutex_t	sc_intr_lock;
     49 	callout_t	sc_pcallout;
     50 
     51 	device_t	sc_audiodev;
     52 
     53 #define PAD_BUFSIZE	65536
     54 	uint8_t		sc_audiobuf[PAD_BUFSIZE];
     55 	u_int		sc_buflen;
     56 	u_int		sc_rpos;
     57 	u_int		sc_wpos;
     58 
     59 	uint8_t		sc_swvol;
     60 
     61 	u_int		sc_resid;
     62 };
     63 
     64 #endif /* !_SYS_DEV_PAD_PADVAR_H */
     65