1 /* $NetBSD: mpu_acpi.c,v 1.4 2006/10/12 01:30:55 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Juan Romero Pardines <xtraeme@NetBSD.org>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 2002 Jared D. McNeill <jmcneill@invisible.ca> 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. The name of the author may not be used to endorse or promote products 49 * derived from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 52 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 53 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 54 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 55 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 56 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 57 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 58 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 59 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 */ 63 64 /* 65 * ACPI mpu(4) attachment based in lpt_acpi.c by Jared D. McNeill. 66 */ 67 68 #include <sys/cdefs.h> 69 __KERNEL_RCSID(0, "$NetBSD: mpu_acpi.c,v 1.4 2006/10/12 01:30:55 christos Exp $"); 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/errno.h> 74 #include <sys/ioctl.h> 75 #include <sys/syslog.h> 76 #include <sys/device.h> 77 #include <sys/proc.h> 78 79 #include <machine/bus.h> 80 81 #include <dev/isa/isavar.h> 82 #include <dev/isa/isadmavar.h> 83 84 #include <dev/acpi/acpica.h> 85 #include <dev/acpi/acpireg.h> 86 #include <dev/acpi/acpivar.h> 87 88 #include <dev/ic/mpuvar.h> 89 90 static int mpu_acpi_match(struct device *, struct cfdata *, void *); 91 static void mpu_acpi_attach(struct device *, struct device *, void *); 92 93 struct mpu_acpi_softc { 94 struct mpu_softc sc_mpu; 95 }; 96 97 CFATTACH_DECL(mpu_acpi, sizeof(struct mpu_acpi_softc), mpu_acpi_match, 98 mpu_acpi_attach, NULL, NULL); 99 100 /* 101 * Supported device IDs 102 */ 103 104 static const char * const mpu_acpi_ids[] = { 105 "PNPB006", /* Roland MPU-401 (compatible) MIDI UART */ 106 NULL 107 }; 108 109 /* 110 * mpu_acpi_match: autoconf(9) match routine 111 */ 112 static int 113 mpu_acpi_match(struct device *parent __unused, struct cfdata *match __unused, 114 void *aux) 115 { 116 struct acpi_attach_args *aa = aux; 117 118 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 119 return 0; 120 121 return acpi_match_hid(aa->aa_node->ad_devinfo, mpu_acpi_ids); 122 } 123 124 /* 125 * mpu_acpi_attach: autoconf(9) attach routine 126 */ 127 static void 128 mpu_acpi_attach(struct device *parent __unused, struct device *self, void *aux) 129 { 130 struct mpu_acpi_softc *asc = (struct mpu_acpi_softc *)self; 131 struct mpu_softc *sc = &asc->sc_mpu; 132 struct acpi_attach_args *aa = aux; 133 struct acpi_resources res; 134 struct acpi_io *io; 135 struct acpi_irq *irq; 136 ACPI_STATUS rv; 137 138 aprint_naive("\n"); 139 aprint_normal("\n"); 140 141 /* parse resources */ 142 rv = acpi_resource_parse(&sc->sc_dev, aa->aa_node->ad_handle, "_CRS", 143 &res, &acpi_resource_parse_ops_default); 144 if (ACPI_FAILURE(rv)) 145 return; 146 147 /* find our i/o registers */ 148 io = acpi_res_io(&res, 0); 149 if (io == NULL) { 150 aprint_error("%s: unable to find i/o register resource\n", 151 sc->sc_dev.dv_xname); 152 goto out; 153 } 154 155 /* find our IRQ */ 156 irq = acpi_res_irq(&res, 0); 157 if (irq == NULL) { 158 aprint_error("%s: unable to find irq resource\n", 159 sc->sc_dev.dv_xname); 160 goto out; 161 } 162 163 sc->iot = aa->aa_iot; 164 if (bus_space_map(sc->iot, io->ar_base, io->ar_length, 0, &sc->ioh)) { 165 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 166 goto out; 167 } 168 169 sc->model = "Roland MPU-401 MIDI UART"; 170 mpu_attach(sc); 171 172 sc->arg = isa_intr_establish(aa->aa_ic, irq->ar_irq, 173 (irq->ar_type == ACPI_EDGE_SENSITIVE) ? IST_EDGE : IST_LEVEL, 174 IPL_AUDIO, mpu_intr, sc); 175 176 out: 177 acpi_resource_cleanup(&res); 178 } 179