1 /* $NetBSD: pcppivar.h,v 1.12 2017/06/14 05:01:35 pgoyette 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 void (*pa_bell_func)(pcppi_tag_t, int, int, int); 38 }; 39 40 struct pcppi_softc { 41 device_t sc_dv; 42 43 bus_space_tag_t sc_iot; 44 bus_space_handle_t sc_ppi_ioh; 45 bus_size_t sc_size; 46 device_t sc_timer; 47 48 int sc_bellactive, sc_bellpitch; 49 int sc_timeout; 50 51 kcondvar_t sc_slp; 52 callout_t sc_bell_ch; 53 }; 54 55 void pcppi_attach(struct pcppi_softc *); 56 int pcppi_detach(device_t, int); 57 58 #define PCPPI_BELL_SLEEP 0x01 /* synchronous; sleep for complete */ 59 #define PCPPI_BELL_POLL 0x02 /* synchronous; poll for complete */ 60 61 void pcppi_bell(pcppi_tag_t, int, int, int); 62 void pcppi_bell_locked(pcppi_tag_t, int, int, int); 63 64 #endif /* ! _PCPPIVAR_H_ */ 65