Annotation of sys/dev/hil/hilvar.h, Revision 1.1.1.1
1.1 nbrk 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 */
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