ess_ofisa.c revision 1.25
1 /* $NetBSD: ess_ofisa.c,v 1.25 2010/05/22 16:35:00 tsutsui 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 1.25 2010/05/22 16:35:00 tsutsui 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_NEW(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 sc->sc_dev = self; 92 93 /* 94 * We're living on an OFW. We have to ask the OFW what our 95 * registers and interrupts properties look like. 96 * 97 * We expect: 98 * 99 * 1 i/o register region 100 * 1 or 2 interrupts 101 * 2 DMA channels 102 */ 103 104 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 105 if (n != 1) { 106 aprint_error(": error getting register data\n"); 107 return; 108 } 109 if (reg.type != OFISA_REG_TYPE_IO) { 110 aprint_error(": register type not i/o\n"); 111 return; 112 } 113 if (reg.len != ESS_NPORT) { 114 aprint_error(": weird register size (%lu, expected %d)\n", 115 (unsigned long)reg.len, ESS_NPORT); 116 return; 117 } 118 119 n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2); 120 if (n == 1) { 121 sc->sc_audio1.irq = intr[0].irq; 122 sc->sc_audio1.ist = intr[0].share; 123 sc->sc_audio2.irq = intr[0].irq; 124 sc->sc_audio2.ist = intr[0].share; 125 } else if (n == 2) { 126 sc->sc_audio1.irq = intr[0].irq; 127 sc->sc_audio1.ist = intr[0].share; 128 sc->sc_audio2.irq = intr[1].irq; 129 sc->sc_audio2.ist = intr[1].share; 130 } else { 131 aprint_error(": error getting interrupt data\n"); 132 return; 133 } 134 135 ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2); 136 if (ndrq != 2) { 137 aprint_error(": error getting DMA data\n"); 138 return; 139 } 140 sc->sc_audio1.drq = dma[0].drq; 141 sc->sc_audio2.drq = dma[1].drq; 142 143 sc->sc_ic = aa->ic; 144 145 sc->sc_iot = aa->iot; 146 sc->sc_iobase = reg.addr; 147 if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0, 148 &sc->sc_ioh)) { 149 aprint_error(": unable to map register space\n"); 150 return; 151 } 152 153 /* 154 * The Shark firmware doesn't program the ESS ISA address registers. 155 * Do that here instead of inside essmatch() since we want to defer 156 * to the firmware on other platforms. 157 */ 158 if (ess_config_addr(sc)) 159 return; 160 if (essmatch(sc) == 0) { 161 aprint_error(": essmatch failed\n"); 162 return; 163 } 164 165 n = OF_getproplen(aa->oba.oba_phandle, "model"); 166 if (n > 0) { 167 model = alloca(n); 168 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) == n) { 169 aprint_normal(": %s\n", model); 170 aprint_normal_dev(self, ""); 171 } 172 } 173 174 essattach(sc, 0); 175 } 176
Indexes created Wed Oct 01 19:09:53 GMT 2025