1 /* $NetBSD: padvar.h,v 1.11 2017/07/01 23:31:19 nat 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 u_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_lock; 42 kmutex_t sc_intr_lock; 43 bool sc_dying; 44 45 device_t sc_audiodev; 46 int sc_blksize; 47 48 #define PAD_BLKSIZE 8192 49 #define PAD_BUFSIZE 65536 50 uint8_t sc_audiobuf[PAD_BUFSIZE]; 51 uint32_t sc_buflen; 52 uint32_t sc_rpos, sc_wpos; 53 54 uint8_t sc_swvol; 55 struct timeval sc_last; 56 int sc_bytes_count; 57 uint32_t sc_remainder; 58 } pad_softc_t; 59 60 #endif /* !_SYS_DEV_PAD_PADVAR_H */ 61