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@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