1 /* $NetBSD: ess_ofisa.c,v 1.32 2021/01/27 03:10:21 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 * 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 1.32 2021/01/27 03:10:21 thorpej 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/audio_if.h> 45 46 #include <dev/ofw/openfirm.h> 47 #include <dev/isa/isavar.h> 48 #include <dev/ofisa/ofisavar.h> 49 50 #include <dev/isa/essreg.h> 51 #include <dev/isa/essvar.h> 52 53 int ess_ofisa_match(device_t, cfdata_t, void *); 54 void ess_ofisa_attach(device_t, device_t, void *); 55 56 CFATTACH_DECL_NEW(ess_ofisa, sizeof(struct ess_softc), 57 ess_ofisa_match, ess_ofisa_attach, NULL, NULL); 58 59 static const struct device_compatible_entry compat_data[] = { 60 { .compat = "ESST,es1887-codec" }, /* ESS 1887 */ 61 { .compat = "ESST,es1888-codec" }, /* ESS 1888 */ 62 { .compat = "ESST,es888-codec" }, /* ESS 888 */ 63 DEVICE_COMPAT_EOL 64 }; 65 66 int 67 ess_ofisa_match(device_t parent, cfdata_t cf, void *aux) 68 { 69 struct ofisa_attach_args *aa = aux; 70 71 /* beat generic SB */ 72 return of_compatible_match(aa->oba.oba_phandle, compat_data) ? 10 : 0; 73 } 74 75 void 76 ess_ofisa_attach(device_t parent, device_t self, void *aux) 77 { 78 struct ess_softc *sc = device_private(self); 79 struct ofisa_attach_args *aa = aux; 80 struct ofisa_reg_desc reg; 81 struct ofisa_intr_desc intr[2]; 82 struct ofisa_dma_desc dma[2]; 83 int n, ndrq; 84 85 sc->sc_dev = self; 86 87 /* 88 * We're living on an OFW. We have to ask the OFW what our 89 * registers and interrupts properties look like. 90 * 91 * We expect: 92 * 93 * 1 i/o register region 94 * 1 or 2 interrupts 95 * 2 DMA channels 96 */ 97 98 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 99 if (n != 1) { 100 aprint_error(": error getting register data\n"); 101 return; 102 } 103 if (reg.type != OFISA_REG_TYPE_IO) { 104 aprint_error(": register type not i/o\n"); 105 return; 106 } 107 if (reg.len != ESS_NPORT) { 108 aprint_error(": weird register size (%lu, expected %d)\n", 109 (unsigned long)reg.len, ESS_NPORT); 110 return; 111 } 112 113 n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2); 114 if (n == 1) { 115 sc->sc_audio1.irq = intr[0].irq; 116 sc->sc_audio1.ist = intr[0].share; 117 sc->sc_audio2.irq = intr[0].irq; 118 sc->sc_audio2.ist = intr[0].share; 119 } else if (n == 2) { 120 sc->sc_audio1.irq = intr[0].irq; 121 sc->sc_audio1.ist = intr[0].share; 122 sc->sc_audio2.irq = intr[1].irq; 123 sc->sc_audio2.ist = intr[1].share; 124 } else { 125 aprint_error(": error getting interrupt data\n"); 126 return; 127 } 128 129 ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2); 130 if (ndrq != 2) { 131 aprint_error(": error getting DMA data\n"); 132 return; 133 } 134 sc->sc_audio1.drq = dma[0].drq; 135 sc->sc_audio2.drq = dma[1].drq; 136 137 sc->sc_ic = aa->ic; 138 139 sc->sc_iot = aa->iot; 140 sc->sc_iobase = reg.addr; 141 if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0, 142 &sc->sc_ioh)) { 143 aprint_error(": unable to map register space\n"); 144 return; 145 } 146 147 /* 148 * The Shark firmware doesn't program the ESS ISA address registers. 149 * Do that here instead of inside essmatch() since we want to defer 150 * to the firmware on other platforms. 151 */ 152 if (ess_config_addr(sc)) 153 return; 154 if (essmatch(sc) == 0) { 155 aprint_error(": essmatch failed\n"); 156 return; 157 } 158 159 ofisa_print_model(self, aa->oba.oba_phandle); 160 161 essattach(sc, 0); 162 } 163
Indexes created Wed Oct 01 15:09:59 GMT 2025