1 /* $NetBSD: ess_isa.c,v 1.5 1999/06/18 20:25:23 augustss 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 * 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 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <machine/cpu.h> 45 #include <machine/bus.h> 46 47 #include <dev/isa/isavar.h> 48 49 #include <dev/isa/essreg.h> 50 #include <dev/isa/essvar.h> 51 52 #ifdef ESS_ISA_DEBUG 53 #define DPRINTF(x) printf x 54 #else 55 #define DPRINTF(x) 56 #endif 57 58 int ess_isa_probe __P((struct device *, struct cfdata *, void *)); 59 void ess_isa_attach __P((struct device *, struct device *, void *)); 60 61 struct cfattach ess_isa_ca = { 62 sizeof(struct ess_softc), ess_isa_probe, ess_isa_attach 63 }; 64 65 int 66 ess_isa_probe(parent, match, aux) 67 struct device *parent; 68 struct cfdata *match; 69 void *aux; 70 { 71 int ret; 72 struct isa_attach_args *ia = aux; 73 struct ess_softc probesc, *sc= &probesc; 74 75 memset(sc, 0, sizeof *sc); 76 77 sc->sc_ic = ia->ia_ic; 78 sc->sc_iot = ia->ia_iot; 79 sc->sc_iobase = ia->ia_iobase; 80 if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) { 81 DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, size %x\n", 82 sc->sc_iobase, ESS_NPORT)); 83 return 0; 84 } 85 86 sc->sc_audio1.irq = ia->ia_irq; 87 sc->sc_audio1.ist = IST_EDGE; 88 sc->sc_audio1.drq = ia->ia_drq; 89 sc->sc_audio2.irq = -1; 90 sc->sc_audio2.drq = ia->ia_drq2; 91 92 ret = essmatch(sc); 93 94 bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT); 95 96 if (ret) { 97 DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret)); 98 ia->ia_iosize = ESS_NPORT; 99 } else 100 DPRINTF(("ess_isa_probe failed\n")); 101 102 return ret; 103 } 104 105 void ess_isa_attach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 struct ess_softc *sc = (void *)self; 110 struct isa_attach_args *ia = aux; 111 112 printf("\n"); 113 114 sc->sc_ic = ia->ia_ic; 115 sc->sc_iot = ia->ia_iot; 116 sc->sc_iobase = ia->ia_iobase; 117 if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) { 118 DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, size %x\n", 119 sc->sc_iobase, ESS_NPORT)); 120 return; 121 } 122 123 sc->sc_audio1.irq = ia->ia_irq; 124 sc->sc_audio1.ist = IST_EDGE; 125 sc->sc_audio1.drq = ia->ia_drq; 126 sc->sc_audio2.irq = -1; 127 sc->sc_audio2.drq = ia->ia_drq2; 128 129 printf("%s", sc->sc_dev.dv_xname); 130 131 essattach(sc); 132 } 133