1 /* ISDN4BSD code */
2 /*-
3 * Copyright (c) 2002 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Martin Husemann <martin@netbsd.org>.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: daic_isa.c,v 1.10 2002/10/02 03:10:46 thorpej Exp $");
40
41 #include <sys/param.h>
42 #include <sys/errno.h>
43 #include <sys/syslog.h>
44 #include <sys/device.h>
45
46 #include <sys/timeout.h>
47
48 #include <machine/cpu.h>
49 #include <machine/intr.h>
50 #include <machine/bus.h>
51
52 #include <sys/socket.h>
53 #include <net/if.h>
54 #include <dev/isa/isavar.h>
55 #include <netisdn/i4b_ioctl.h>
56 #include <netisdn/i4b_l3l4.h>
57 #include <dev/ic/daicvar.h>
58
59 /* driver state */
60 struct daic_isa_softc {
61 struct daic_softc sc_daic; /* MI driver state */
62 void *sc_ih; /* interrupt handler */
63 };
64
65 /* local functions */
66 #ifdef __BROKEN_INDIRECT_CONFIG
67 static int daic_isa_probe __P((struct device *, void *, void *));
68 #else
69 static int daic_isa_probe __P((struct device *, struct cfdata *, void *));
70 #endif
71 static void daic_isa_attach __P((struct device *, struct device *, void *));
72 static int daic_isa_intr __P((void *));
73
74 CFATTACH_DECL(daic_isa, sizeof(struct daic_isa_softc),
75 daic_isa_probe, daic_isa_attach, NULL, NULL);
76
77 static int
78 #ifdef __BROKEN_INDIRECT_CONFIG
daic_isa_probe(parent,match,aux)79 daic_isa_probe(parent, match, aux)
80 #else
81 daic_isa_probe(parent, cf, aux)
82 #endif
83 struct device *parent;
84 #ifdef __BROKEN_INDIRECT_CONFIG
85 void *match;
86 #else
87 struct cfdata *cf;
88 #endif
89 void *aux;
90 {
91 struct isa_attach_args *ia = aux;
92 bus_space_tag_t memt = ia->ia_memt;
93 bus_space_handle_t memh;
94 int card, need_unmap = 0;
95
96 /* We need some controller memory to comunicate! */
97 if (ia->ia_iomem[0].ir_addr == 0 || ia->ia_iomem[0].ir_size == -1)
98 goto bad;
99
100 /* Map card RAM. */
101 ia->ia_iomem[0].ir_size = DAIC_ISA_MEMSIZE;
102 ia->ia_nio = 0;
103 ia->ia_ndrq = 0;
104 ia->ia_nirq = 1;
105 ia->ia_niomem = 1;
106 if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size,
107 0, &memh))
108 goto bad;
109 need_unmap = 1;
110
111 /* MI check for card at this location */
112 card = daic_probe(memt, memh);
113 if (card < 0)
114 goto bad;
115 if (card == DAIC_TYPE_QUAD)
116 ia->ia_iomem[0].ir_size = DAIC_ISA_QUADSIZE;
117
118 bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
119 return 1;
120
121 bad:
122 /* unmap card RAM if already mapped */
123 if (need_unmap)
124 bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
125 return 0;
126 }
127
128 static void
daic_isa_attach(parent,self,aux)129 daic_isa_attach(parent, self, aux)
130 struct device *parent, *self;
131 void *aux;
132 {
133 struct daic_isa_softc *sc = (void *)self;
134 struct isa_attach_args *ia = aux;
135 bus_space_tag_t memt = ia->ia_memt;
136 bus_space_handle_t memh;
137
138 /* Map card RAM. */
139 if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size,
140 0, &memh))
141 return;
142
143 sc->sc_daic.sc_iot = memt;
144 sc->sc_daic.sc_ioh = memh;
145
146 /* MI initialization of card */
147 daic_attach(self, &sc->sc_daic);
148
149 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, IST_EDGE,
150 IPL_NET, daic_isa_intr, sc);
151 }
152
153 /*
154 * Controller interrupt.
155 */
156 static int
daic_isa_intr(arg)157 daic_isa_intr(arg)
158 void *arg;
159 {
160 struct daic_isa_softc *sc = arg;
161 return daic_intr(&sc->sc_daic);
162 }
163