1 /* $NetBSD: pcppivar.h,v 1.10 2011/05/03 04:27:13 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #ifndef _PCPPIVAR_H_ 31 #define _PCPPIVAR_H_ 32 33 typedef void *pcppi_tag_t; 34 35 struct pcppi_attach_args { 36 pcppi_tag_t pa_cookie; 37 }; 38 39 struct pcppi_softc { 40 device_t sc_dv; 41 42 bus_space_tag_t sc_iot; 43 bus_space_handle_t sc_ppi_ioh; 44 bus_size_t sc_size; 45 device_t sc_timer; 46 47 struct callout sc_bell_ch; 48 49 int sc_bellactive, sc_bellpitch; 50 int sc_slp; 51 int sc_timeout; 52 53 kmutex_t sc_lock; 54 kcondvar_t sc_stop_cv; 55 }; 56 57 void pcppi_attach(struct pcppi_softc *); 58 int pcppi_detach(device_t, int); 59 60 #define PCPPI_BELL_SLEEP 0x01 /* synchronous; sleep for complete */ 61 #define PCPPI_BELL_POLL 0x02 /* synchronous; poll for complete */ 62 63 void pcppi_bell(pcppi_tag_t, int, int, int); 64 65 #endif /* ! _PCPPIVAR_H_ */ 66