1 /* $NetBSD: ess_ofisa.c,v 1.24 2009/05/12 14:38:56 cegger 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 1.24 2009/05/12 14:38:56 cegger 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(device_t, cfdata_t, void *); 55 void ess_ofisa_attach(device_t, device_t, 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(device_t parent, cfdata_t cf, void *aux) 62 { 63 struct ofisa_attach_args *aa = aux; 64 static const char *const compatible_strings[] = { 65 "ESST,es1887-codec", /* ESS 1887 */ 66 "ESST,es1888-codec", /* ESS 1888 */ 67 "ESST,es888-codec", /* ESS 888 */ 68 NULL, 69 }; 70 int rv = 0; 71 72 /* XXX table */ 73 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) { 74 rv = 10; 75 } 76 77 return (rv); 78 } 79 80 void 81 ess_ofisa_attach(device_t parent, device_t self, void *aux) 82 { 83 struct ess_softc *sc = device_private(self); 84 struct ofisa_attach_args *aa = aux; 85 struct ofisa_reg_desc reg; 86 struct ofisa_intr_desc intr[2]; 87 struct ofisa_dma_desc dma[2]; 88 int n, ndrq; 89 char *model; 90 91 /* 92 * We're living on an OFW. We have to ask the OFW what our 93 * registers and interrupts properties look like. 94 * 95 * We expect: 96 * 97 * 1 i/o register region 98 * 1 or 2 interrupts 99 * 2 DMA channels 100 */ 101 102 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 103 if (n != 1) { 104 printf(": error getting register data\n"); 105 return; 106 } 107 if (reg.type != OFISA_REG_TYPE_IO) { 108 printf(": register type not i/o\n"); 109 return; 110 } 111 if (reg.len != ESS_NPORT) { 112 printf(": weird register size (%lu, expected %d)\n", 113 (unsigned long)reg.len, ESS_NPORT); 114 return; 115 } 116 117 n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2); 118 if (n == 1) { 119 sc->sc_audio1.irq = intr[0].irq; 120 sc->sc_audio1.ist = intr[0].share; 121 sc->sc_audio2.irq = intr[0].irq; 122 sc->sc_audio2.ist = intr[0].share; 123 } else if (n == 2) { 124 sc->sc_audio1.irq = intr[0].irq; 125 sc->sc_audio1.ist = intr[0].share; 126 sc->sc_audio2.irq = intr[1].irq; 127 sc->sc_audio2.ist = intr[1].share; 128 } else { 129 printf(": error getting interrupt data\n"); 130 return; 131 } 132 133 ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2); 134 if (ndrq != 2) { 135 printf(": error getting DMA data\n"); 136 return; 137 } 138 sc->sc_audio1.drq = dma[0].drq; 139 sc->sc_audio2.drq = dma[1].drq; 140 141 sc->sc_ic = aa->ic; 142 143 sc->sc_iot = aa->iot; 144 sc->sc_iobase = reg.addr; 145 if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0, 146 &sc->sc_ioh)) { 147 printf(": unable to map register space\n"); 148 return; 149 } 150 151 /* 152 * The Shark firmware doesn't program the ESS ISA address registers. 153 * Do that here instead of inside essmatch() since we want to defer 154 * to the firmware on other platforms. 155 */ 156 if (ess_config_addr(sc)) 157 return; 158 if (essmatch(sc) == 0) { 159 printf(": essmatch failed\n"); 160 return; 161 } 162 163 n = OF_getproplen(aa->oba.oba_phandle, "model"); 164 if (n > 0) { 165 model = alloca(n); 166 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) == n) 167 printf(": %s\n%s", model, device_xname(&sc->sc_dev)); 168 } 169 170 essattach(sc, 0); 171 } 172