acpi_acad.c revision 80334
1193323Sed/*- 2193323Sed * Copyright (c) 2000 Takanori Watanabe 3193323Sed * All rights reserved. 4193323Sed * 5193323Sed * Redistribution and use in source and binary forms, with or without 6193323Sed * modification, are permitted provided that the following conditions 7193323Sed * are met: 8193323Sed * 1. Redistributions of source code must retain the above copyright 9193323Sed * notice, this list of conditions and the following disclaimer. 10193323Sed * 2. Redistributions in binary form must reproduce the above copyright 11193323Sed * notice, this list of conditions and the following disclaimer in the 12193323Sed * documentation and/or other materials provided with the distribution. 13193323Sed * 14193323Sed * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15193323Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16193323Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17193323Sed * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18218893Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19249423Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20249423Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21193323Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22193323Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23193323Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24234353Sdim * SUCH DAMAGE. 25193323Sed * 26193323Sed * $FreeBSD: head/sys/dev/acpica/acpi_acad.c 80334 2001-07-25 16:08:58Z iwasaki $ 27193323Sed */ 28193323Sed 29226633Sdim#include "opt_acpi.h" 30226633Sdim#include <sys/param.h> 31226633Sdim#include <sys/kernel.h> 32226633Sdim#include <sys/bus.h> 33226633Sdim 34226633Sdim#include <machine/bus.h> 35234353Sdim#include <machine/resource.h> 36234353Sdim#include <sys/rman.h> 37234353Sdim#include <sys/ioccom.h> 38234353Sdim#include <sys/malloc.h> 39234353Sdim#include <sys/conf.h> 40218893Sdim 41193323Sed#include "acpi.h" 42193323Sed#include <dev/acpica/acpivar.h> 43193323Sed#include <dev/acpica/acpiio.h> 44218893Sdim 45218893Sdim/* 46193323Sed * Hooks for the ACPI CA debugging infrastructure 47194612Sed */ 48194612Sed#define _COMPONENT ACPI_AC_ADAPTER 49194612SedMODULE_NAME("AC_ADAPTER") 50194612Sed 51194612Sed#define ACPI_DEVICE_CHECK_PNP 0x00 52194612Sed#define ACPI_DEVICE_CHECK_EXISTENCE 0x01 53194612Sed#define ACPI_POWERSOURCE_STAT_CHANGE 0x80 54218893Sdim 55234353Sdimstatic void acpi_acad_get_status(void * ); 56193323Sedstatic void acpi_acad_notify_handler(ACPI_HANDLE , UINT32 ,void *); 57193323Sedstatic int acpi_acad_probe(device_t); 58234353Sdimstatic int acpi_acad_attach(device_t); 59234353Sdimstatic int acpi_acad_ioctl(u_long, caddr_t, void *); 60239462Sdimstatic int acpi_acad_sysctl(SYSCTL_HANDLER_ARGS); 61239462Sdim 62239462Sdimstruct acpi_acad_softc { 63239462Sdim int status; 64239462Sdim}; 65239462Sdim 66239462Sdimstatic void 67239462Sdimacpi_acad_get_status(void *context) 68239462Sdim{ 69239462Sdim int newstatus; 70239462Sdim device_t dev = context; 71239462Sdim struct acpi_acad_softc *sc = device_get_softc(dev); 72239462Sdim ACPI_HANDLE h = acpi_get_handle(dev); 73239462Sdim 74239462Sdim if (acpi_EvaluateInteger(h, "_PSR", &newstatus) != AE_OK) { 75239462Sdim sc->status = -1; 76239462Sdim return; 77239462Sdim } 78239462Sdim 79239462Sdim if (sc->status != newstatus) { 80243830Sdim sc->status = newstatus; 81193323Sed /* set system power profile based on AC adapter status */ 82193323Sed powerprofile_set_state(sc->status ? POWERPROFILE_PERFORMANCE : POWERPROFILE_ECONOMY); 83193323Sed } 84193323Sed 85243830Sdim if (bootverbose) { 86243830Sdim device_printf(dev,"%s\n",(sc->status) ? "On Line" : "Off Line"); 87243830Sdim } 88243830Sdim} 89234353Sdim 90243830Sdimstatic void 91243830Sdimacpi_acad_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) 92243830Sdim{ 93243830Sdim device_t dev = context; 94234353Sdim 95234353Sdim if (bootverbose) { 96234353Sdim device_printf(dev, "Notify %d\n", notify); 97234353Sdim } 98234353Sdim 99234353Sdim switch (notify) { 100234353Sdim case ACPI_DEVICE_CHECK_PNP: 101234353Sdim case ACPI_DEVICE_CHECK_EXISTENCE: 102249423Sdim case ACPI_POWERSOURCE_STAT_CHANGE: 103249423Sdim /*Temporally. It is better to notify policy manager*/ 104249423Sdim AcpiOsQueueForExecution(OSD_PRIORITY_LO, 105249423Sdim acpi_acad_get_status,context); 106193323Sed break; 107234353Sdim default: 108243830Sdim break; 109243830Sdim } 110193323Sed} 111193323Sed 112193323Sedstatic int 113226633Sdimacpi_acad_probe(device_t dev) 114193323Sed{ 115226633Sdim 116226633Sdim if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) && 117226633Sdim acpi_MatchHid(dev, "ACPI0003")) { 118226633Sdim 119226633Sdim /* 120226633Sdim * Set device description 121226633Sdim */ 122226633Sdim device_set_desc(dev, "AC adapter"); 123226633Sdim return(0); 124226633Sdim } 125226633Sdim return(ENXIO); 126226633Sdim} 127226633Sdim 128226633Sdimstatic int 129226633Sdimacpi_acad_attach(device_t dev) 130234353Sdim{ 131234353Sdim int error; 132234353Sdim struct acpi_acad_softc *sc; 133234353Sdim struct acpi_softc *acpi_sc; 134234353Sdim 135234353Sdim ACPI_HANDLE handle = acpi_get_handle(dev); 136234353Sdim AcpiInstallNotifyHandler(handle, 137234353Sdim ACPI_DEVICE_NOTIFY, 138234353Sdim acpi_acad_notify_handler, dev); 139234353Sdim /*Installing system notify is not so good*/ 140234353Sdim AcpiInstallNotifyHandler(handle, 141234353Sdim ACPI_SYSTEM_NOTIFY, 142234353Sdim acpi_acad_notify_handler, dev); 143234353Sdim 144234353Sdim if ((sc = device_get_softc(dev)) == NULL) { 145234353Sdim return (ENXIO); 146234353Sdim } 147226633Sdim if ((error = acpi_register_ioctl(ACPIIO_ACAD_GET_STATUS, 148193323Sed acpi_acad_ioctl, dev)) != 0) { 149193323Sed return (error); 150193323Sed } 151239462Sdim 152239462Sdim if (device_get_unit(dev) == 0) { 153239462Sdim acpi_sc = acpi_device_get_parent_softc(dev); 154239462Sdim SYSCTL_ADD_PROC(&acpi_sc->acpi_sysctl_ctx, 155239462Sdim SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), 156239462Sdim OID_AUTO, "acline", CTLTYPE_INT | CTLFLAG_RD, 157249423Sdim &sc->status, 0, acpi_acad_sysctl, "I", ""); 158249423Sdim } 159249423Sdim 160251662Sdim /* Get initial status after whole system is up. */ 161251662Sdim AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_acad_get_status, dev); 162251662Sdim 163251662Sdim return(0); 164251662Sdim} 165251662Sdim 166193323Sedstatic device_method_t acpi_acad_methods[] = { 167193323Sed /* Device interface */ 168193323Sed DEVMETHOD(device_probe, acpi_acad_probe), 169203954Srdivacky DEVMETHOD(device_attach, acpi_acad_attach), 170193323Sed 171193323Sed {0, 0} 172239462Sdim}; 173239462Sdim 174239462Sdimstatic driver_t acpi_acad_driver = { 175193323Sed "acpi_acad", 176193323Sed acpi_acad_methods, 177203954Srdivacky sizeof(struct acpi_acad_softc), 178193323Sed}; 179193323Sed 180193323Sedstatic devclass_t acpi_acad_devclass; 181193323SedDRIVER_MODULE(acpi_acad,acpi,acpi_acad_driver,acpi_acad_devclass,0,0); 182193323Sed 183193323Sedstatic int 184193323Sedacpi_acad_ioctl(u_long cmd, caddr_t addr, void *arg) 185193323Sed{ 186193323Sed device_t dev; 187208599Srdivacky struct acpi_acad_softc *sc; 188208599Srdivacky 189208599Srdivacky dev = (device_t)arg; 190208599Srdivacky if ((sc = device_get_softc(dev)) == NULL) { 191208599Srdivacky return(ENXIO); 192208599Srdivacky } 193208599Srdivacky 194208599Srdivacky switch (cmd) { 195208599Srdivacky case ACPIIO_ACAD_GET_STATUS: 196208599Srdivacky acpi_acad_get_status(dev); 197208599Srdivacky *(int *)addr = sc->status; 198208599Srdivacky break; 199208599Srdivacky } 200208599Srdivacky 201193323Sed return(0); 202203954Srdivacky} 203193323Sed 204193323Sedstatic int 205193323Sedacpi_acad_sysctl(SYSCTL_HANDLER_ARGS) 206193323Sed{ 207193323Sed int val; 208193323Sed int error; 209193323Sed device_t dev; 210193323Sed struct acpi_acad_softc *sc; 211193323Sed 212239462Sdim if ((dev = devclass_get_device(acpi_acad_devclass, 0)) == NULL) { 213239462Sdim return (ENXIO); 214239462Sdim } 215239462Sdim if ((sc = device_get_softc(dev)) == NULL) { 216239462Sdim return (ENXIO); 217239462Sdim } 218239462Sdim acpi_acad_get_status(dev); 219239462Sdim val = *(u_int *)oidp->oid_arg1; 220239462Sdim error = sysctl_handle_int(oidp, &val, 0, req); 221193323Sed return (error); 222203954Srdivacky} 223193323Sed 224193323Sed