sys/dev/pad/padvar.h

   1 /* $NetBSD: padvar.h,v 1.2 2008/05/09 03:44:51 jmcneill Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2007 Jared D. McNeill <jmcneill@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 */