Annotation of sys/dev/tc/asc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: asc.c,v 1.22 2003/06/05 12:27:02 deraadt Exp $ */
2:
3: /*-
4: * Copyright (c) 1998 The NetBSD Foundation, Inc.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to The NetBSD Foundation
8: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9: * NASA Ames Research Center.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*
41: * Copyright (c) 1994 Peter Galbavy. All rights reserved.
42: *
43: * Redistribution and use in source and binary forms, with or without
44: * modification, are permitted provided that the following conditions
45: * are met:
46: * 1. Redistributions of source code must retain the above copyright
47: * notice, this list of conditions and the following disclaimer.
48: * 2. Redistributions in binary form must reproduce the above copyright
49: * notice, this list of conditions and the following disclaimer in the
50: * documentation and/or other materials provided with the distribution.
51: *
52: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
53: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
54: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
55: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
56: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
57: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
61: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62: */
63:
64: #include <sys/param.h>
65: #include <sys/systm.h>
66: #include <sys/device.h>
67: #include <sys/buf.h>
68:
69: #include <scsi/scsi_all.h>
70: #include <scsi/scsiconf.h>
71:
72: #include <dev/ic/ncr53c9xreg.h>
73: #include <dev/ic/ncr53c9xvar.h>
74: #include <dev/tc/ascvar.h>
75:
76: struct cfdriver asc_cd = {
77: NULL, "asc", DV_DULL,
78: };
79:
80: struct scsi_adapter asc_switch = {
81: ncr53c9x_scsi_cmd,
82: minphys, /* no max at this level; handled by DMA code */
83: NULL,
84: NULL,
85: };
86:
87: struct scsi_device asc_dev = {
88: NULL, /* Use default error handler */
89: NULL, /* have a queue, served by this */
90: NULL, /* have no async handler */
91: NULL, /* Use default `done' routine */
92: };
93:
94: /*
95: * Glue functions
96: */
97: u_char
98: asc_read_reg(sc, reg)
99: struct ncr53c9x_softc *sc;
100: int reg;
101: {
102: struct asc_softc *asc = (struct asc_softc *)sc;
103: u_char v;
104:
105: v = bus_space_read_4(asc->sc_bst, asc->sc_bsh,
106: reg * sizeof(u_int32_t)) & 0xff;
107:
108: return (v);
109: }
110:
111: void
112: asc_write_reg(sc, reg, val)
113: struct ncr53c9x_softc *sc;
114: int reg;
115: u_char val;
116: {
117: struct asc_softc *asc = (struct asc_softc *)sc;
118:
119: bus_space_write_4(asc->sc_bst, asc->sc_bsh,
120: reg * sizeof(u_int32_t), val);
121: }
122:
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