Annotation of sys/dev/isa/wss_isapnp.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD; wss_isapnp.c,v1.0 1999/1/5 14:08:57 mike Exp $ */
2: /* $NetBSD: wss_isapnp.c,v 1.5 1998/11/25 22:17:07 augustss Exp $ */
3:
4: /*
5: * Copyright (c) 1997 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Lennart Augustsson (augustss@netbsd.org).
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: #include <sys/param.h>
41: #include <sys/systm.h>
42: #include <sys/errno.h>
43: #include <sys/ioctl.h>
44: #include <sys/syslog.h>
45: #include <sys/device.h>
46: #include <sys/proc.h>
47:
48: #include <machine/bus.h>
49:
50: #include <sys/audioio.h>
51: #include <dev/audio_if.h>
52:
53: #include <dev/isa/isavar.h>
54: #include <dev/isa/isadmavar.h>
55:
56: #include <dev/isa/isapnpreg.h>
57:
58: #include <dev/isa/ad1848var.h>
59: #include <dev/ic/ad1848reg.h>
60: #include <dev/isa/madreg.h>
61: #include <dev/isa/wssreg.h>
62: #include <dev/isa/wssvar.h>
63:
64: int wss_isapnp_match(struct device *, void *, void *);
65: void wss_isapnp_attach(struct device *, struct device *, void *);
66:
67: struct cfattach wss_isapnp_ca = {
68: sizeof(struct wss_softc), wss_isapnp_match, wss_isapnp_attach
69: };
70:
71:
72: /*
73: * Probe / attach routines.
74: */
75:
76: /*
77: * Probe for the WSS hardware.
78: */
79: int
80: wss_isapnp_match(parent, match, aux)
81: struct device *parent;
82: void *match, *aux;
83: {
84: return 1;
85: }
86:
87: /*
88: * Attach hardware to driver, attach hardware driver to audio
89: * pseudo-device driver.
90: */
91: void
92: wss_isapnp_attach(parent, self, aux)
93: struct device *parent, *self;
94: void *aux;
95: {
96: struct isapnp_softc *pnp = (struct isapnp_softc *)parent;
97: struct wss_softc *sc = (struct wss_softc *)self;
98: struct ad1848_softc *ac = &sc->sc_ad1848;
99: struct isa_attach_args *ipa = aux;
100:
101: /* probably broken */
102: isapnp_write_reg(pnp, ISAPNP_CONFIG_CONTROL, 0x02);
103:
104: sc->sc_iot = ipa->ia_iot;
105: sc->sc_ioh = ipa->ipa_io[0].h;
106: sc->mad_chip_type = MAD_NONE;
107:
108: /* Set up AD1848 I/O handle. */
109: ac->sc_iot = sc->sc_iot;
110: ac->sc_isa = parent->dv_parent;
111: ac->sc_ioh = sc->sc_ioh;
112: ac->mode = 2;
113: ac->sc_iooffs = 0;
114:
115: sc->sc_ic = ipa->ia_ic;
116: sc->wss_irq = ipa->ipa_irq[0].num;
117: sc->wss_drq = ipa->ipa_drq[0].num;
118: sc->wss_recdrq = ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num :
119: ipa->ipa_drq[0].num;
120:
121: if (ad1848_probe(&sc->sc_ad1848)==0) {
122: printf("%s: probe failed\n", ac->sc_dev.dv_xname);
123: return;
124: }
125:
126: wssattach(sc);
127: }
128:
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