1/*	$NetBSD: ess_isa.c,v 1.23 2009/09/29 11:01:39 cegger Exp $	*/
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nathan J. Williams.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: ess_isa.c,v 1.23 2009/09/29 11:01:39 cegger Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/device.h>
38
39#include <sys/cpu.h>
40#include <sys/bus.h>
41
42#include <dev/isa/isavar.h>
43
44#include <dev/isa/essreg.h>
45#include <dev/isa/essvar.h>
46
47#include "joy_ess.h"
48
49#ifdef ESS_ISA_DEBUG
50#define DPRINTF(x)	printf x
51#else
52#define DPRINTF(x)	{}
53#endif
54
55int ess_isa_probe(device_t, cfdata_t, void *);
56void ess_isa_attach(device_t, device_t, void *);
57
58CFATTACH_DECL_NEW(ess_isa, sizeof(struct ess_softc),
59    ess_isa_probe, ess_isa_attach, NULL, NULL);
60
61int
62ess_isa_probe(device_t parent, cfdata_t match, void *aux)
63{
64	int ret;
65	struct isa_attach_args *ia;
66	struct ess_softc probesc, *sc;
67
68	ia = aux;
69	sc= &probesc;
70	if (ia->ia_nio < 1)
71		return 0;
72	if (ia->ia_nirq < 1)
73		return 0;
74	if (ia->ia_ndrq < 1)
75		return 0;
76
77	if (ISA_DIRECT_CONFIG(ia))
78		return 0;
79
80	memset(sc, 0, sizeof *sc);
81
82	sc->sc_ic = ia->ia_ic;
83	sc->sc_iot = ia->ia_iot;
84	sc->sc_iobase = ia->ia_io[0].ir_addr;
85	if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0,
86	    &sc->sc_ioh)) {
87		DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, "
88		    "size %x\n", sc->sc_iobase, ESS_NPORT));
89		return 0;
90	}
91
92	sc->sc_audio1.irq = ia->ia_irq[0].ir_irq;
93	sc->sc_audio1.ist = IST_EDGE;
94	sc->sc_audio1.drq = ia->ia_drq[0].ir_drq;
95	sc->sc_audio2.irq = -1;
96	sc->sc_audio2.drq = (ia->ia_ndrq > 1) ? ia->ia_drq[1].ir_drq : -1;
97
98	ret = essmatch(sc);
99
100	bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT);
101
102	if (ret) {
103		DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret));
104		ia->ia_nio = 1;
105		ia->ia_io[0].ir_size = ESS_NPORT;
106
107		ia->ia_nirq = 1;
108
109		if (ia->ia_ndrq > 1 &&
110		    ia->ia_drq[1].ir_drq != ISA_UNKNOWN_DRQ)
111			ia->ia_ndrq = 2;
112		else
113			ia->ia_ndrq = 1;
114
115		ia->ia_niomem = 0;
116	} else
117		DPRINTF(("ess_isa_probe failed\n"));
118
119	return ret;
120}
121
122void
123ess_isa_attach(device_t parent, device_t self, void *aux)
124{
125	struct ess_softc *sc;
126	struct isa_attach_args *ia;
127	int enablejoy;
128
129	sc = device_private(self);
130
131	sc->sc_dev = self;
132	ia = aux;
133	enablejoy = 0;
134
135	aprint_naive("\n");
136	aprint_normal("\n");
137
138	sc->sc_ic = ia->ia_ic;
139	sc->sc_iot = ia->ia_iot;
140	sc->sc_iobase = ia->ia_io[0].ir_addr;
141	if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0,
142	    &sc->sc_ioh)) {
143		DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, "
144		    "size %x\n", sc->sc_iobase, ESS_NPORT));
145		return;
146	}
147
148	sc->sc_audio1.irq = ia->ia_irq[0].ir_irq;
149	sc->sc_audio1.ist = IST_EDGE;
150	sc->sc_audio1.drq = ia->ia_drq[0].ir_drq;
151	sc->sc_audio2.irq = -1;
152	sc->sc_audio2.drq = ia->ia_ndrq > 1 ? ia->ia_drq[1].ir_drq : -1;
153
154#if NJOY_ESS > 0
155	if (device_cfdata(self)->cf_flags & 1) {
156		sc->sc_joy_iot = ia->ia_iot;
157		if (!bus_space_map(sc->sc_joy_iot, 0x201, 1, 0,
158				   &sc->sc_joy_ioh))
159			enablejoy = 1;
160	}
161#endif
162
163	aprint_normal_dev(self, "");
164
165	essattach(sc, enablejoy);
166}
167