Annotation of sys/dev/isa/com_commulti.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: com_commulti.c,v 1.2 2003/06/02 23:28:02 millert Exp $ */
2: /*
3: * Copyright (c) 1997 - 1999, Jason Downs. All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name(s) of the author(s) nor the name OpenBSD
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
18: * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
21: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29: /*-
30: * Copyright (c) 1993, 1994, 1995, 1996
31: * Charles M. Hannum. All rights reserved.
32: * Copyright (c) 1991 The Regents of the University of California.
33: * All rights reserved.
34: *
35: * Redistribution and use in source and binary forms, with or without
36: * modification, are permitted provided that the following conditions
37: * are met:
38: * 1. Redistributions of source code must retain the above copyright
39: * notice, this list of conditions and the following disclaimer.
40: * 2. Redistributions in binary form must reproduce the above copyright
41: * notice, this list of conditions and the following disclaimer in the
42: * documentation and/or other materials provided with the distribution.
43: * 3. Neither the name of the University nor the names of its contributors
44: * may be used to endorse or promote products derived from this software
45: * without specific prior written permission.
46: *
47: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57: * SUCH DAMAGE.
58: *
59: * @(#)com.c 7.5 (Berkeley) 5/16/91
60: */
61:
62: #include <sys/param.h>
63: #include <sys/systm.h>
64: #include <sys/tty.h>
65: #include <sys/device.h>
66:
67: #include <machine/intr.h>
68: #include <machine/bus.h>
69:
70: #include <dev/ic/comreg.h>
71: #include <dev/ic/comvar.h>
72:
73: #include <dev/isa/isavar.h>
74:
75: int com_commulti_probe(struct device *, void *, void *);
76: void com_commulti_attach(struct device *, struct device *, void *);
77:
78: struct cfattach com_commulti_ca = {
79: sizeof(struct com_softc), com_commulti_probe, com_commulti_attach
80: };
81:
82: int
83: com_commulti_probe(struct device *parent, void *match, void *aux)
84: {
85: struct commulti_attach_args *ca = aux;
86: struct cfdata *cf = match;
87: bus_space_handle_t ioh;
88: bus_space_tag_t iot;
89: int iobase;
90:
91: if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != ca->ca_slave)
92: return (0);
93:
94: iot = ca->ca_iot;
95: iobase = ca->ca_iobase;
96: ioh = ca->ca_ioh;
97:
98: #ifdef KGDB
99: if (iobase == com_kgdb_addr)
100: return (1);
101: #endif
102: /* if it's in use as console, it's there. */
103: if (iobase == comconsaddr && !comconsattached)
104: return (1);
105:
106: return (comprobe1(iot, ioh));
107: }
108:
109: void
110: com_commulti_attach(struct device *, struct device *, void *)
111: {
112: struct commulti_attach_args *ca = aux;
113: struct com_softc *sc = (void *)self;
114:
115: sc->sc_hwflags = 0;
116: sc->sc_swflags = 0;
117: sc->sc_iot = ca->ca_iot;
118: sc->sc_ioh = ca->ca_ioh;
119: sc->sc_iobase = ca->ca_iobase;
120: sc->sc_frequency = COM_FREQ;
121: if (ca->ca_noien)
122: SET(sc->sc_hwflags, COM_HW_NOIEN);
123:
124: com_attach_subr(sc);
125: }
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