ess_ofisa.c revision 1.2
1 /* $NetBSD: ess_ofisa.c,v 1.2 1998/07/30 21:22:59 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 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/device.h> 43 44 #include <machine/bus.h> 45 #include <machine/intr.h> 46 47 #include <sys/audioio.h> 48 #include <dev/audio_if.h> 49 #include <dev/mulaw.h> 50 51 #include <dev/ofw/openfirm.h> 52 #include <dev/isa/isavar.h> 53 #include <dev/ofisa/ofisavar.h> 54 55 #include <dev/isa/essreg.h> 56 #include <dev/isa/essvar.h> 57 58 int ess_ofisa_match __P((struct device *, struct cfdata *, void *)); 59 void ess_ofisa_attach __P((struct device *, struct device *, void *)); 60 61 struct cfattach ess_ofisa_ca = { 62 sizeof(struct ess_softc), ess_ofisa_match, ess_ofisa_attach 63 }; 64 65 int 66 ess_ofisa_match(parent, cf, aux) 67 struct device *parent; 68 struct cfdata *cf; 69 void *aux; 70 { 71 struct ofisa_attach_args *aa = aux; 72 const char *compatible_strings[] = { 73 "ESST,es1887-codec", /* ESS 1887 */ 74 "ESST,es1888-codec", /* ESS 1888 */ 75 "ESST,es888-codec", /* ESS 888 */ 76 NULL, 77 }; 78 int rv = 0; 79 80 /* XXX table */ 81 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) { 82 rv = 10; 83 } 84 85 return (rv); 86 } 87 88 void 89 ess_ofisa_attach(parent, self, aux) 90 struct device *parent, *self; 91 void *aux; 92 { 93 struct ess_softc *sc = (void *)self; 94 struct ofisa_attach_args *aa = aux; 95 struct ofisa_reg_desc reg; 96 struct ofisa_intr_desc intr[2]; 97 struct ofisa_dma_desc dma[2]; 98 int n, ndrq; 99 char *model; 100 101 /* 102 * We're living on an OFW. We have to ask the OFW what our 103 * registers and interrupts properties look like. 104 * 105 * We expect: 106 * 107 * 1 i/o register region 108 * 2 interrupts 109 * 2 dma channels 110 */ 111 112 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 113 if (n != 1) { 114 printf(": error getting register data\n"); 115 return; 116 } 117 if (reg.type != OFISA_REG_TYPE_IO) { 118 printf(": register type not i/o\n"); 119 return; 120 } 121 if (reg.len != ESS_NPORT) { 122 printf(": weird register size (%lu, expected %d)\n", 123 (unsigned long)reg.len, ESS_NPORT); 124 return; 125 } 126 127 n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2); 128 if (n != 2) { 129 printf(": error getting interrupt data\n"); 130 return; 131 } 132 sc->sc_in.irq = intr[0].irq; 133 sc->sc_in.ist = intr[0].share; 134 sc->sc_out.irq = intr[1].irq; 135 sc->sc_out.ist = intr[1].share; 136 137 ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2); 138 if (ndrq != 2) { 139 printf(": error getting DMA data\n"); 140 return; 141 } 142 sc->sc_in.drq = dma[0].drq; 143 sc->sc_out.drq = dma[1].drq; 144 145 sc->sc_in.mode = ESS_DMA_SIZE(sc->sc_in.drq); 146 sc->sc_out.mode = ESS_DMA_SIZE(sc->sc_out.drq); 147 148 sc->sc_ic = aa->ic; 149 150 sc->sc_iot = aa->iot; 151 sc->sc_iobase = reg.addr; 152 if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0, 153 &sc->sc_ioh)) { 154 printf(": unable to map register space\n"); 155 return; 156 } 157 158 printf("ess attach irq i=%d o=%d, drq i=%d o=%d\n", 159 sc->sc_in.irq, sc->sc_out.irq, 160 sc->sc_in.drq, sc->sc_out.drq); 161 162 if (essmatch(sc) == 0) { 163 printf(": essmatch failed\n"); 164 return; 165 } 166 167 n = OF_getproplen(aa->oba.oba_phandle, "model"); 168 if (n > 0) { 169 model = alloca(n); 170 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) == n) 171 printf(": %s\n%s", model, sc->sc_dev.dv_xname); 172 } 173 174 essattach(sc); 175 } 176
Indexes created Thu Oct 02 01:09:59 GMT 2025