xref: /openbsd/sys/dev/hil/hilvar.h (revision e5dd7070)
1 /*	$OpenBSD: hilvar.h,v 1.10 2006/11/05 14:39:32 miod Exp $	*/
2 /*
3  * Copyright (c) 2003, Miodrag Vallat.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 /*
30  * Copyright (c) 1988 University of Utah.
31  * Copyright (c) 1990, 1993
32  *	The Regents of the University of California.  All rights reserved.
33  *
34  * This code is derived from software contributed to Berkeley by
35  * the Systems Programming Group of the University of Utah Computer
36  * Science Department.
37  *
38  * Redistribution and use in source and binary forms, with or without
39  * modification, are permitted provided that the following conditions
40  * are met:
41  * 1. Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  * 2. Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in the
45  *    documentation and/or other materials provided with the distribution.
46  * 3. Neither the name of the University nor the names of its contributors
47  *    may be used to endorse or promote products derived from this software
48  *    without specific prior written permission.
49  *
50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60  * SUCH DAMAGE.
61  *
62  * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
63  *
64  *	@(#)hilvar.h	8.1 (Berkeley) 6/10/93
65  */
66 
67 #define NHILD		8		/* 7 actual + loop pseudo (dev 0) */
68 
69 struct hildev_softc;
70 
71 struct hil_softc {
72 	struct device	sc_dev;
73 	bus_space_handle_t sc_bsh;
74 	bus_space_tag_t	sc_bst;
75 	int		*sc_console;	/* console path set to hil */
76 
77 	struct proc	*sc_thread;	/* event handling thread */
78 
79 	int		sc_cmddone;
80 	int		sc_cmdending;
81 	u_int		sc_actdev;	/* current input device */
82 	u_int		sc_cmddev;	/* device to perform command on */
83 	u_int8_t	sc_pollbuf[HILBUFSIZE];	/* interrupt time input buf */
84 	u_int8_t	sc_cmdbuf[HILBUFSIZE];
85 	u_int8_t	*sc_pollbp;	/* pointer into sc_pollbuf */
86 	u_int8_t	*sc_cmdbp;	/* pointer into sc_cmdbuf */
87 
88 	int		sc_status;	/* initialization status */
89 #define	HIL_STATUS_BUSY		0x00
90 #define	HIL_STATUS_READY	0x01
91 	int		sc_pending;	/* reconfiguration events in progress */
92 #define	HIL_PENDING_RECONFIG	0x01
93 #define	HIL_PENDING_UNPLUGGED	0x02
94 	u_int		sc_maxdev;	/* number of devices on loop */
95 	struct hildev_softc *sc_devices[NHILD];	/* interrupt dispatcher */
96 };
97 
98 #ifdef _KERNEL
99 
100 int	send_hil_cmd(struct hil_softc *, u_int, u_int8_t *, u_int, u_int8_t *);
101 int	send_hildev_cmd(struct hildev_softc *, u_int, u_int8_t *, u_int *);
102 void	hil_set_poll(struct hil_softc *, int);
103 int	hil_poll_data(struct hildev_softc *, u_int8_t *, u_int8_t *);
104 
105 void	hil_attach(struct hil_softc *, int *);
106 void	hil_attach_deferred(void *);
107 int	hil_intr(void *);
108 int	hildevprint(void *, const char *);
109 
110 #endif /* _KERNEL */
111