1 /* $NetBSD: ess_ofisa.c,v 1.20 2008/04/28 20:23:54 martin 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: ess_ofisa.c,v 1.20 2008/04/28 20:23:54 martin Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <sys/bus.h> 41 #include <sys/intr.h> 42 43 #include <sys/audioio.h> 44 #include <dev/audio_if.h> 45 #include <dev/mulaw.h> 46 47 #include <dev/ofw/openfirm.h> 48 #include <dev/isa/isavar.h> 49 #include <dev/ofisa/ofisavar.h> 50 51 #include <dev/isa/essreg.h> 52 #include <dev/isa/essvar.h> 53 54 int ess_ofisa_match(struct device *, struct cfdata *, void *); 55 void ess_ofisa_attach(struct device *, struct device *, void *); 56 57 CFATTACH_DECL(ess_ofisa, sizeof(struct ess_softc), 58 ess_ofisa_match, ess_ofisa_attach, NULL, NULL); 59 60 int 61 ess_ofisa_match(parent, cf, aux) 62 struct device *parent; 63 struct cfdata *cf; 64 void *aux; 65 { 66 struct ofisa_attach_args *aa = aux; 67 static const char *const compatible_strings[] = { 68 "ESST,es1887-codec", /* ESS 1887 */ 69 "ESST,es1888-codec", /* ESS 1888 */ 70 "ESST,es888-codec", /* ESS 888 */ 71 NULL, 72 }; 73 int rv = 0; 74 75 /* XXX table */ 76 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) { 77 rv = 10; 78 } 79 80 return (rv); 81 } 82 83 void 84 ess_ofisa_attach(parent, self, aux) 85 struct device *parent, *self; 86 void *aux; 87 { 88 struct ess_softc *sc = device_private(self); 89 struct ofisa_attach_args *aa = aux; 90 struct ofisa_reg_desc reg; 91 struct ofisa_intr_desc intr[2]; 92 struct ofisa_dma_desc dma[2]; 93 int n, ndrq; 94 char *model; 95 96 /* 97 * We're living on an OFW. We have to ask the OFW what our 98 * registers and interrupts properties look like. 99 * 100 * We expect: 101 * 102 * 1 i/o register region 103 * 1 or 2 interrupts 104 * 2 DMA channels 105 */ 106 107 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 108 if (n != 1) { 109 printf(": error getting register data\n"); 110 return; 111 } 112 if (reg.type != OFISA_REG_TYPE_IO) { 113 printf(": register type not i/o\n"); 114 return; 115 } 116 if (reg.len != ESS_NPORT) { 117 printf(": weird register size (%lu, expected %d)\n", 118 (unsigned long)reg.len, ESS_NPORT); 119 return; 120 } 121 122 n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2); 123 if (n == 1) { 124 sc->sc_audio1.irq = intr[0].irq; 125 sc->sc_audio1.ist = intr[0].share; 126 sc->sc_audio2.irq = intr[0].irq; 127 sc->sc_audio2.ist = intr[0].share; 128 } else if (n == 2) { 129 sc->sc_audio1.irq = intr[0].irq; 130 sc->sc_audio1.ist = intr[0].share; 131 sc->sc_audio2.irq = intr[1].irq; 132 sc->sc_audio2.ist = intr[1].share; 133 } else { 134 printf(": error getting interrupt data\n"); 135 return; 136 } 137 138 ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2); 139 if (ndrq != 2) { 140 printf(": error getting DMA data\n"); 141 return; 142 } 143 sc->sc_audio1.drq = dma[0].drq; 144 sc->sc_audio2.drq = dma[1].drq; 145 146 sc->sc_ic = aa->ic; 147 148 sc->sc_iot = aa->iot; 149 sc->sc_iobase = reg.addr; 150 if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0, 151 &sc->sc_ioh)) { 152 printf(": unable to map register space\n"); 153 return; 154 } 155 156 /* 157 * The Shark firmware doesn't program the ESS ISA address registers. 158 * Do that here instead of inside essmatch() since we want to defer 159 * to the firmware on other platforms. 160 */ 161 if (ess_config_addr(sc)) 162 return; 163 if (essmatch(sc) == 0) { 164 printf(": essmatch failed\n"); 165 return; 166 } 167 168 n = OF_getproplen(aa->oba.oba_phandle, "model"); 169 if (n > 0) { 170 model = alloca(n); 171 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) == n) 172 printf(": %s\n%s", model, device_xname(&sc->sc_dev)); 173 } 174 175 essattach(sc, 0); 176 } 177