Annotation of src/sys/dev/isa/ess_isa.c, Revision 1.18.22.1
1.18.22.1! joerg 1: /* $NetBSD: ess_isa.c,v 1.18 2006/11/16 01:33:00 christos Exp $ */
1.1 nathanw 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: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the NetBSD
21: * Foundation, Inc. and its contributors.
22: * 4. Neither the name of The NetBSD Foundation nor the names of its
23: * contributors may be used to endorse or promote products derived
24: * from this software without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
1.6 lukem 39: #include <sys/cdefs.h>
1.18.22.1! joerg 40: __KERNEL_RCSID(0, "$NetBSD: ess_isa.c,v 1.18 2006/11/16 01:33:00 christos Exp $");
1.1 nathanw 41:
42: #include <sys/param.h>
43: #include <sys/systm.h>
44: #include <sys/device.h>
45:
1.18.22.1! joerg 46: #include <sys/cpu.h>
! 47: #include <sys/bus.h>
1.1 nathanw 48:
49: #include <dev/isa/isavar.h>
50:
51: #include <dev/isa/essreg.h>
52: #include <dev/isa/essvar.h>
53:
1.11 drochner 54: #include "joy_ess.h"
55:
1.1 nathanw 56: #ifdef ESS_ISA_DEBUG
57: #define DPRINTF(x) printf x
58: #else
1.17 reinoud 59: #define DPRINTF(x) {}
1.1 nathanw 60: #endif
61:
1.13 kent 62: int ess_isa_probe(struct device *, struct cfdata *, void *);
63: void ess_isa_attach(struct device *, struct device *, void *);
1.1 nathanw 64:
1.10 thorpej 65: CFATTACH_DECL(ess_isa, sizeof(struct ess_softc),
66: ess_isa_probe, ess_isa_attach, NULL, NULL);
1.1 nathanw 67:
68: int
1.18 christos 69: ess_isa_probe(struct device *parent, struct cfdata *match,
1.16 christos 70: void *aux)
1.1 nathanw 71: {
1.13 kent 72: int ret;
73: struct isa_attach_args *ia;
74: struct ess_softc probesc, *sc;
1.7 thorpej 75:
1.13 kent 76: ia = aux;
77: sc= &probesc;
1.7 thorpej 78: if (ia->ia_nio < 1)
1.13 kent 79: return 0;
1.7 thorpej 80: if (ia->ia_nirq < 1)
1.13 kent 81: return 0;
1.7 thorpej 82: if (ia->ia_ndrq < 1)
1.13 kent 83: return 0;
1.7 thorpej 84:
85: if (ISA_DIRECT_CONFIG(ia))
1.13 kent 86: return 0;
1.7 thorpej 87:
1.1 nathanw 88: memset(sc, 0, sizeof *sc);
89:
90: sc->sc_ic = ia->ia_ic;
91: sc->sc_iot = ia->ia_iot;
1.7 thorpej 92: sc->sc_iobase = ia->ia_io[0].ir_addr;
93: if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0,
94: &sc->sc_ioh)) {
95: DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, "
96: "size %x\n", sc->sc_iobase, ESS_NPORT));
97: return 0;
1.1 nathanw 98: }
99:
1.7 thorpej 100: sc->sc_audio1.irq = ia->ia_irq[0].ir_irq;
1.2 mycroft 101: sc->sc_audio1.ist = IST_EDGE;
1.7 thorpej 102: sc->sc_audio1.drq = ia->ia_drq[0].ir_drq;
1.3 mycroft 103: sc->sc_audio2.irq = -1;
1.7 thorpej 104: sc->sc_audio2.drq = (ia->ia_ndrq > 1) ? ia->ia_drq[1].ir_drq : -1;
1.1 nathanw 105:
106: ret = essmatch(sc);
1.13 kent 107:
1.1 nathanw 108: bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT);
109:
1.4 mycroft 110: if (ret) {
1.1 nathanw 111: DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret));
1.7 thorpej 112: ia->ia_nio = 1;
113: ia->ia_io[0].ir_size = ESS_NPORT;
114:
115: ia->ia_nirq = 1;
116:
117: if (ia->ia_ndrq > 1 &&
1.12 drochner 118: ia->ia_drq[1].ir_drq != ISA_UNKNOWN_DRQ)
1.7 thorpej 119: ia->ia_ndrq = 2;
120: else
121: ia->ia_ndrq = 1;
122:
123: ia->ia_niomem = 0;
1.4 mycroft 124: } else
1.5 augustss 125: DPRINTF(("ess_isa_probe failed\n"));
1.13 kent 126:
1.1 nathanw 127: return ret;
128: }
129:
1.13 kent 130: void
1.18 christos 131: ess_isa_attach(struct device *parent, struct device *self, void *aux)
1.1 nathanw 132: {
1.13 kent 133: struct ess_softc *sc;
134: struct isa_attach_args *ia;
135: int enablejoy;
136:
137: sc = (void *)self;
138: ia = aux;
139: enablejoy = 0;
1.1 nathanw 140: printf("\n");
141:
142: sc->sc_ic = ia->ia_ic;
143: sc->sc_iot = ia->ia_iot;
1.7 thorpej 144: sc->sc_iobase = ia->ia_io[0].ir_addr;
145: if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0,
146: &sc->sc_ioh)) {
147: DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, "
148: "size %x\n", sc->sc_iobase, ESS_NPORT));
149: return;
1.1 nathanw 150: }
151:
1.7 thorpej 152: sc->sc_audio1.irq = ia->ia_irq[0].ir_irq;
1.2 mycroft 153: sc->sc_audio1.ist = IST_EDGE;
1.7 thorpej 154: sc->sc_audio1.drq = ia->ia_drq[0].ir_drq;
1.3 mycroft 155: sc->sc_audio2.irq = -1;
1.7 thorpej 156: sc->sc_audio2.drq = ia->ia_ndrq > 1 ? ia->ia_drq[1].ir_drq : -1;
1.1 nathanw 157:
1.11 drochner 158: #if NJOY_ESS > 0
1.15 thorpej 159: if (device_cfdata(&sc->sc_dev)->cf_flags & 1) {
1.11 drochner 160: sc->sc_joy_iot = ia->ia_iot;
161: if (!bus_space_map(sc->sc_joy_iot, 0x201, 1, 0,
162: &sc->sc_joy_ioh))
163: enablejoy = 1;
164: }
165: #endif
166:
1.3 mycroft 167: printf("%s", sc->sc_dev.dv_xname);
1.1 nathanw 168:
1.11 drochner 169: essattach(sc, enablejoy);
1.1 nathanw 170: }
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