1/*	$NetBSD: hilvar.h,v 1.3 2022/06/25 02:36:27 tsutsui Exp $	*/
2/*	$OpenBSD: hilvar.h,v 1.10 2006/11/05 14:39:32 miod Exp $	*/
3/*
4 * Copyright (c) 2003, Miodrag Vallat.
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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30/*
31 * Copyright (c) 1988 University of Utah.
32 * Copyright (c) 1990, 1993
33 *	The Regents of the University of California.  All rights reserved.
34 *
35 * This code is derived from software contributed to Berkeley by
36 * the Systems Programming Group of the University of Utah Computer
37 * Science Department.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 *    notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 *    notice, this list of conditions and the following disclaimer in the
46 *    documentation and/or other materials provided with the distribution.
47 * 3. Neither the name of the University nor the names of its contributors
48 *    may be used to endorse or promote products derived from this software
49 *    without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 *
63 * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
64 *
65 *	@(#)hilvar.h	8.1 (Berkeley) 6/10/93
66 */
67
68#include <sys/rndsource.h>
69
70#define NHILD		8		/* 7 actual + loop pseudo (dev 0) */
71
72struct hildev_softc;
73
74struct hil_softc {
75	device_t	sc_dev;
76	bus_space_handle_t sc_bsh;
77	bus_space_tag_t	sc_bst;
78	int		*sc_console;	/* console path set to hil */
79
80	lwp_t		*sc_thread;	/* event handling thread */
81
82	int		sc_cmddone;
83	int		sc_cmdending;
84	u_int		sc_actdev;	/* current input device */
85	u_int		sc_cmddev;	/* device to perform command on */
86	uint8_t		sc_pollbuf[HILBUFSIZE];	/* interrupt time input buf */
87	uint8_t		sc_cmdbuf[HILBUFSIZE];
88	uint8_t		*sc_pollbp;	/* pointer into sc_pollbuf */
89	uint8_t		*sc_cmdbp;	/* pointer into sc_cmdbuf */
90
91	int		sc_status;	/* initialization status */
92#define	HIL_STATUS_BUSY		0x00
93#define	HIL_STATUS_READY	0x01
94	int		sc_pending;	/* reconfiguration events in progress */
95#define	HIL_PENDING_RECONFIG	0x01
96#define	HIL_PENDING_UNPLUGGED	0x02
97	u_int		sc_maxdev;	/* number of devices on loop */
98	device_t	sc_devices[NHILD];	/* interrupt dispatcher */
99	krndsource_t	sc_rndsource;
100};
101
102#ifdef _KERNEL
103
104int	send_hil_cmd(struct hil_softc *, u_int, uint8_t *, u_int, uint8_t *);
105int	send_hildev_cmd(struct hildev_softc *, u_int, uint8_t *, u_int *);
106void	hil_set_poll(struct hil_softc *, int);
107int	hil_poll_data(struct hildev_softc *, uint8_t *, uint8_t *);
108
109void	hil_attach(struct hil_softc *, int *);
110void	hil_attach_deferred(device_t);
111int	hil_intr(void *);
112int	hildevprint(void *, const char *);
113
114#endif /* _KERNEL */
115