/* $NetBSD: padvar.h,v 1.17 2023/01/24 08:17:11 mlelstv Exp $ */

/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _SYS_DEV_PAD_PADVAR_H
#define _SYS_DEV_PAD_PADVAR_H

#include <sys/types.h>

#include <sys/callout.h>
#include <sys/condvar.h>
#include <sys/device_if.h>
#include <sys/mutex.h>

struct pad_softc {
       device_t        sc_dev;

       u_int           sc_open;
       void            (*sc_intr)(void *);
       void            *sc_intrarg;

       kcondvar_t      sc_condvar;
       kmutex_t        sc_lock;
       kmutex_t        sc_intr_lock;
       callout_t       sc_pcallout;

       device_t        sc_audiodev;

#define PAD_BUFSIZE     65536
       uint8_t         sc_audiobuf[PAD_BUFSIZE];
       u_int           sc_buflen;
       u_int           sc_rpos;
       u_int           sc_wpos;

       uint8_t         sc_swvol;

       u_int           sc_resid;
};

#endif /* !_SYS_DEV_PAD_PADVAR_H */