1/* $NetBSD: pcppivar.h,v 1.11 2011/11/23 23:07:32 jmcneill 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
33typedef void *pcppi_tag_t;
34
35struct pcppi_attach_args {
36 pcppi_tag_t pa_cookie;
37};
38
39struct 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 int sc_bellactive, sc_bellpitch;
48 int sc_timeout;
49
50 kcondvar_t sc_slp;
51 callout_t sc_bell_ch;
52};
53
54void pcppi_attach(struct pcppi_softc *);
55int pcppi_detach(device_t, int);
56
57#define PCPPI_BELL_SLEEP 0x01 /* synchronous; sleep for complete */
58#define PCPPI_BELL_POLL 0x02 /* synchronous; poll for complete */
59
60void pcppi_bell(pcppi_tag_t, int, int, int);
61void pcppi_bell_locked(pcppi_tag_t, int, int, int);
62
63#endif /* ! _PCPPIVAR_H_ */
64