acpi_acad.c revision 1.1.2.2
1 1.1.2.2 fvdl /* $NetBSD: acpi_acad.c,v 1.1.2.2 2001/10/01 12:44:14 fvdl Exp $ */ 2 1.1.2.2 fvdl 3 1.1.2.2 fvdl /* 4 1.1.2.2 fvdl * Copyright 2001 Wasabi Systems, Inc. 5 1.1.2.2 fvdl * All rights reserved. 6 1.1.2.2 fvdl * 7 1.1.2.2 fvdl * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 1.1.2.2 fvdl * 9 1.1.2.2 fvdl * Redistribution and use in source and binary forms, with or without 10 1.1.2.2 fvdl * modification, are permitted provided that the following conditions 11 1.1.2.2 fvdl * are met: 12 1.1.2.2 fvdl * 1. Redistributions of source code must retain the above copyright 13 1.1.2.2 fvdl * notice, this list of conditions and the following disclaimer. 14 1.1.2.2 fvdl * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.2.2 fvdl * notice, this list of conditions and the following disclaimer in the 16 1.1.2.2 fvdl * documentation and/or other materials provided with the distribution. 17 1.1.2.2 fvdl * 3. All advertising materials mentioning features or use of this software 18 1.1.2.2 fvdl * must display the following acknowledgement: 19 1.1.2.2 fvdl * This product includes software developed for the NetBSD Project by 20 1.1.2.2 fvdl * Wasabi Systems, Inc. 21 1.1.2.2 fvdl * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.1.2.2 fvdl * or promote products derived from this software without specific prior 23 1.1.2.2 fvdl * written permission. 24 1.1.2.2 fvdl * 25 1.1.2.2 fvdl * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.1.2.2 fvdl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.1.2.2 fvdl * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.1.2.2 fvdl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.1.2.2 fvdl * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.1.2.2 fvdl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.1.2.2 fvdl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.1.2.2 fvdl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.1.2.2 fvdl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.1.2.2 fvdl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.1.2.2 fvdl * POSSIBILITY OF SUCH DAMAGE. 36 1.1.2.2 fvdl */ 37 1.1.2.2 fvdl 38 1.1.2.2 fvdl /* 39 1.1.2.2 fvdl * ACPI AC Adapter driver. 40 1.1.2.2 fvdl */ 41 1.1.2.2 fvdl 42 1.1.2.2 fvdl #include <sys/param.h> 43 1.1.2.2 fvdl #include <sys/systm.h> 44 1.1.2.2 fvdl #include <sys/device.h> 45 1.1.2.2 fvdl 46 1.1.2.2 fvdl #include <dev/acpi/acpica.h> 47 1.1.2.2 fvdl #include <dev/acpi/acpireg.h> 48 1.1.2.2 fvdl #include <dev/acpi/acpivar.h> 49 1.1.2.2 fvdl 50 1.1.2.2 fvdl struct acpiacad_softc { 51 1.1.2.2 fvdl struct device sc_dev; /* base device glue */ 52 1.1.2.2 fvdl struct acpi_devnode *sc_node; /* our ACPI devnode */ 53 1.1.2.2 fvdl int sc_flags; /* see below */ 54 1.1.2.2 fvdl int sc_status; /* power status */ 55 1.1.2.2 fvdl }; 56 1.1.2.2 fvdl 57 1.1.2.2 fvdl #define AACAD_F_VERBOSE 0x01 /* verbose events */ 58 1.1.2.2 fvdl 59 1.1.2.2 fvdl int acpiacad_match(struct device *, struct cfdata *, void *); 60 1.1.2.2 fvdl void acpiacad_attach(struct device *, struct device *, void *); 61 1.1.2.2 fvdl 62 1.1.2.2 fvdl struct cfattach acpiacad_ca = { 63 1.1.2.2 fvdl sizeof(struct acpiacad_softc), acpiacad_match, acpiacad_attach, 64 1.1.2.2 fvdl }; 65 1.1.2.2 fvdl 66 1.1.2.2 fvdl void acpiacad_get_status(void *); 67 1.1.2.2 fvdl void acpiacad_notify_handler(ACPI_HANDLE, UINT32, void *context); 68 1.1.2.2 fvdl 69 1.1.2.2 fvdl /* 70 1.1.2.2 fvdl * acpiacad_match: 71 1.1.2.2 fvdl * 72 1.1.2.2 fvdl * Autoconfiguration `match' routine. 73 1.1.2.2 fvdl */ 74 1.1.2.2 fvdl int 75 1.1.2.2 fvdl acpiacad_match(struct device *parent, struct cfdata *match, void *aux) 76 1.1.2.2 fvdl { 77 1.1.2.2 fvdl struct acpi_attach_args *aa = aux; 78 1.1.2.2 fvdl 79 1.1.2.2 fvdl if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 80 1.1.2.2 fvdl return (0); 81 1.1.2.2 fvdl 82 1.1.2.2 fvdl if (strcmp(aa->aa_node->ad_devinfo.HardwareId, "ACPI0003") == 0) 83 1.1.2.2 fvdl return (1); 84 1.1.2.2 fvdl 85 1.1.2.2 fvdl return (0); 86 1.1.2.2 fvdl } 87 1.1.2.2 fvdl 88 1.1.2.2 fvdl /* 89 1.1.2.2 fvdl * acpiacad_attach: 90 1.1.2.2 fvdl * 91 1.1.2.2 fvdl * Autoconfiguration `attach' routine. 92 1.1.2.2 fvdl */ 93 1.1.2.2 fvdl void 94 1.1.2.2 fvdl acpiacad_attach(struct device *parent, struct device *self, void *aux) 95 1.1.2.2 fvdl { 96 1.1.2.2 fvdl struct acpiacad_softc *sc = (void *) self; 97 1.1.2.2 fvdl struct acpi_attach_args *aa = aux; 98 1.1.2.2 fvdl ACPI_STATUS rv; 99 1.1.2.2 fvdl 100 1.1.2.2 fvdl printf(": ACPI AC Adapter\n"); 101 1.1.2.2 fvdl 102 1.1.2.2 fvdl sc->sc_node = aa->aa_node; 103 1.1.2.2 fvdl 104 1.1.2.2 fvdl rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle, 105 1.1.2.2 fvdl ACPI_DEVICE_NOTIFY, acpiacad_notify_handler, sc); 106 1.1.2.2 fvdl if (rv != AE_OK) { 107 1.1.2.2 fvdl printf("%s: unable to register DEVICE NOTIFY handler: %d\n", 108 1.1.2.2 fvdl sc->sc_dev.dv_xname, rv); 109 1.1.2.2 fvdl return; 110 1.1.2.2 fvdl } 111 1.1.2.2 fvdl 112 1.1.2.2 fvdl /* XXX See acpiacad_notify_handler() */ 113 1.1.2.2 fvdl rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle, 114 1.1.2.2 fvdl ACPI_SYSTEM_NOTIFY, acpiacad_notify_handler, sc); 115 1.1.2.2 fvdl if (rv != AE_OK) { 116 1.1.2.2 fvdl printf("%s: unable to register SYSTEM NOTIFY handler: %d\n", 117 1.1.2.2 fvdl sc->sc_dev.dv_xname, rv); 118 1.1.2.2 fvdl return; 119 1.1.2.2 fvdl } 120 1.1.2.2 fvdl 121 1.1.2.2 fvdl /* Display the current state. */ 122 1.1.2.2 fvdl sc->sc_flags = AACAD_F_VERBOSE; 123 1.1.2.2 fvdl acpiacad_get_status(sc); 124 1.1.2.2 fvdl 125 1.1.2.2 fvdl /* 126 1.1.2.2 fvdl * XXX Hook into sysmon here. 127 1.1.2.2 fvdl */ 128 1.1.2.2 fvdl } 129 1.1.2.2 fvdl 130 1.1.2.2 fvdl /* 131 1.1.2.2 fvdl * acpiacad_get_status: 132 1.1.2.2 fvdl * 133 1.1.2.2 fvdl * Get, and possibly display, the current AC line status. 134 1.1.2.2 fvdl */ 135 1.1.2.2 fvdl void 136 1.1.2.2 fvdl acpiacad_get_status(void *arg) 137 1.1.2.2 fvdl { 138 1.1.2.2 fvdl struct acpiacad_softc *sc = arg; 139 1.1.2.2 fvdl 140 1.1.2.2 fvdl if (acpi_eval_integer(sc->sc_node->ad_handle, "_PSR", 141 1.1.2.2 fvdl &sc->sc_status) != AE_OK) 142 1.1.2.2 fvdl return; 143 1.1.2.2 fvdl 144 1.1.2.2 fvdl if (sc->sc_flags & AACAD_F_VERBOSE) 145 1.1.2.2 fvdl printf("%s: AC adapter %sconnected\n", 146 1.1.2.2 fvdl sc->sc_dev.dv_xname, sc->sc_status == 0 ? "not " : ""); 147 1.1.2.2 fvdl } 148 1.1.2.2 fvdl 149 1.1.2.2 fvdl /* 150 1.1.2.2 fvdl * acpiacad_notify_handler: 151 1.1.2.2 fvdl * 152 1.1.2.2 fvdl * Callback from ACPI interrupt handler to notify us of an event. 153 1.1.2.2 fvdl */ 154 1.1.2.2 fvdl void 155 1.1.2.2 fvdl acpiacad_notify_handler(ACPI_HANDLE handle, UINT32 notify, void *context) 156 1.1.2.2 fvdl { 157 1.1.2.2 fvdl struct acpiacad_softc *sc = context; 158 1.1.2.2 fvdl int rv; 159 1.1.2.2 fvdl 160 1.1.2.2 fvdl switch (notify) { 161 1.1.2.2 fvdl /* 162 1.1.2.2 fvdl * XXX So, BusCheck is not exactly what I would expect, 163 1.1.2.2 fvdl * but at least my IBM T21 sends it on AC adapter status 164 1.1.2.2 fvdl * change. --thorpej (at) wasabisystems.com 165 1.1.2.2 fvdl */ 166 1.1.2.2 fvdl case ACPI_NOTIFY_BusCheck: 167 1.1.2.2 fvdl case ACPI_NOTIFY_PowerSourceStatusChanged: 168 1.1.2.2 fvdl #ifdef ACPI_ACAD_DEBUG 169 1.1.2.2 fvdl printf("%s: received notify message: 0x%x\n", 170 1.1.2.2 fvdl sc->sc_dev.dv_xname, notify); 171 1.1.2.2 fvdl #endif 172 1.1.2.2 fvdl rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO, 173 1.1.2.2 fvdl acpiacad_get_status, sc); 174 1.1.2.2 fvdl if (rv != AE_OK) 175 1.1.2.2 fvdl printf("%s: unable to queue status check: %d\n", 176 1.1.2.2 fvdl sc->sc_dev.dv_xname, rv); 177 1.1.2.2 fvdl break; 178 1.1.2.2 fvdl 179 1.1.2.2 fvdl default: 180 1.1.2.2 fvdl printf("%s: received unknown notify message: 0x%x\n", 181 1.1.2.2 fvdl sc->sc_dev.dv_xname, notify); 182 1.1.2.2 fvdl } 183 1.1.2.2 fvdl } 184
Indexes created Tue Sep 30 20:09:53 GMT 2025