xref: /netbsd-src/sys/dev/hil/hilvar.h (revision 9e786c4a35ccd337a072c6c052d50d07926ef1cf)
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 
72 struct hildev_softc;
73 
74 struct 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 
104 int	send_hil_cmd(struct hil_softc *, u_int, uint8_t *, u_int, uint8_t *);
105 int	send_hildev_cmd(struct hildev_softc *, u_int, uint8_t *, u_int *);
106 void	hil_set_poll(struct hil_softc *, int);
107 int	hil_poll_data(struct hildev_softc *, uint8_t *, uint8_t *);
108 
109 void	hil_attach(struct hil_softc *, int *);
110 void	hil_attach_deferred(device_t);
111 int	hil_intr(void *);
112 int	hildevprint(void *, const char *);
113 
114 #endif /* _KERNEL */
115