167761Smsmith/*- 267761Smsmith * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org> 367761Smsmith * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 467761Smsmith * Copyright (c) 2000 Michael Smith <msmith@freebd.org> 567761Smsmith * Copyright (c) 2000 BSDi 667761Smsmith * All rights reserved. 767761Smsmith * 867761Smsmith * Redistribution and use in source and binary forms, with or without 967761Smsmith * modification, are permitted provided that the following conditions 1067761Smsmith * are met: 1167761Smsmith * 1. Redistributions of source code must retain the above copyright 1267761Smsmith * notice, this list of conditions and the following disclaimer. 1367761Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1467761Smsmith * notice, this list of conditions and the following disclaimer in the 1567761Smsmith * documentation and/or other materials provided with the distribution. 1667761Smsmith * 1767761Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1867761Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1967761Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2067761Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2167761Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2267761Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2367761Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2467761Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2567761Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2667761Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2767761Smsmith * SUCH DAMAGE. 2867761Smsmith */ 2967761Smsmith 30119418Sobrien#include <sys/cdefs.h> 31119418Sobrien__FBSDID("$FreeBSD$"); 32119418Sobrien 3367761Smsmith#include "opt_acpi.h" 3467761Smsmith#include <sys/param.h> 3567761Smsmith#include <sys/kernel.h> 36129879Sphk#include <sys/module.h> 3767761Smsmith#include <sys/bus.h> 3874914Sjhb#include <sys/proc.h> 3967761Smsmith 40193530Sjkim#include <contrib/dev/acpica/include/acpi.h> 41193530Sjkim#include <contrib/dev/acpica/include/accommon.h> 42193530Sjkim 4367761Smsmith#include <dev/acpica/acpivar.h> 4467761Smsmith 45119529Snjl/* Hooks for the ACPI CA debugging infrastructure */ 4677432Smsmith#define _COMPONENT ACPI_BUTTON 4791123SmsmithACPI_MODULE_NAME("LID") 4869744Smsmith 4967761Smsmithstruct acpi_lid_softc { 5067761Smsmith device_t lid_dev; 5167761Smsmith ACPI_HANDLE lid_handle; 5267761Smsmith int lid_status; /* open or closed */ 5367761Smsmith}; 5467761Smsmith 55133618SnjlACPI_SERIAL_DECL(lid, "ACPI lid"); 56133618Snjl 5767761Smsmithstatic int acpi_lid_probe(device_t dev); 5867761Smsmithstatic int acpi_lid_attach(device_t dev); 59100497Siwasakistatic int acpi_lid_suspend(device_t dev); 60100497Siwasakistatic int acpi_lid_resume(device_t dev); 6167761Smsmithstatic void acpi_lid_notify_status_changed(void *arg); 62121493Snjlstatic void acpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify, 63121493Snjl void *context); 6467761Smsmith 6567761Smsmithstatic device_method_t acpi_lid_methods[] = { 6667761Smsmith /* Device interface */ 6767761Smsmith DEVMETHOD(device_probe, acpi_lid_probe), 6867761Smsmith DEVMETHOD(device_attach, acpi_lid_attach), 69100497Siwasaki DEVMETHOD(device_suspend, acpi_lid_suspend), 70100497Siwasaki DEVMETHOD(device_resume, acpi_lid_resume), 7167761Smsmith 72246128Ssbz DEVMETHOD_END 7367761Smsmith}; 7467761Smsmith 7567761Smsmithstatic driver_t acpi_lid_driver = { 7667761Smsmith "acpi_lid", 7767761Smsmith acpi_lid_methods, 7867761Smsmith sizeof(struct acpi_lid_softc), 7967761Smsmith}; 8067761Smsmith 8189054Smsmithstatic devclass_t acpi_lid_devclass; 8267761SmsmithDRIVER_MODULE(acpi_lid, acpi, acpi_lid_driver, acpi_lid_devclass, 0, 0); 83128071SnjlMODULE_DEPEND(acpi_lid, acpi, 1, 1, 1); 8467761Smsmith 8567761Smsmithstatic int 8667761Smsmithacpi_lid_probe(device_t dev) 8767761Smsmith{ 88131282Snjl static char *lid_ids[] = { "PNP0C0D", NULL }; 89119529Snjl 90131282Snjl if (acpi_disabled("lid") || 91131282Snjl ACPI_ID_PROBE(device_get_parent(dev), dev, lid_ids) == NULL) 92131282Snjl return (ENXIO); 93131282Snjl 94131282Snjl device_set_desc(dev, "Control Method Lid Switch"); 95131282Snjl return (0); 9667761Smsmith} 9767761Smsmith 9867761Smsmithstatic int 9967761Smsmithacpi_lid_attach(device_t dev) 10067761Smsmith{ 101209746Sjkim struct acpi_prw_data prw; 10267761Smsmith struct acpi_lid_softc *sc; 10367761Smsmith 10496926Speter ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 10569744Smsmith 10667761Smsmith sc = device_get_softc(dev); 10767761Smsmith sc->lid_dev = dev; 10867761Smsmith sc->lid_handle = acpi_get_handle(dev); 10967761Smsmith 110129692Snjl /* 111129692Snjl * If a system does not get lid events, it may make sense to change 112129692Snjl * the type to ACPI_ALL_NOTIFY. Some systems generate both a wake and 113129692Snjl * runtime notify in that case though. 114129692Snjl */ 115119529Snjl AcpiInstallNotifyHandler(sc->lid_handle, ACPI_DEVICE_NOTIFY, 116119529Snjl acpi_lid_notify_handler, sc); 117119529Snjl 118129783Snjl /* Enable the GPE for wake/runtime. */ 119129783Snjl acpi_wake_set_enable(dev, 1); 120209746Sjkim if (acpi_parse_prw(sc->lid_handle, &prw) == 0) 121209746Sjkim AcpiEnableGpe(prw.gpe_handle, prw.gpe_bit); 122129783Snjl 123133618Snjl return (0); 12467761Smsmith} 12567761Smsmith 126100497Siwasakistatic int 127100497Siwasakiacpi_lid_suspend(device_t dev) 128100497Siwasaki{ 129100497Siwasaki return (0); 130100497Siwasaki} 131100497Siwasaki 132100497Siwasakistatic int 133100497Siwasakiacpi_lid_resume(device_t dev) 134100497Siwasaki{ 135100497Siwasaki return (0); 136100497Siwasaki} 137100497Siwasaki 13867761Smsmithstatic void 13967761Smsmithacpi_lid_notify_status_changed(void *arg) 14067761Smsmith{ 14167761Smsmith struct acpi_lid_softc *sc; 14267761Smsmith struct acpi_softc *acpi_sc; 143119529Snjl ACPI_STATUS status; 14467761Smsmith 14596926Speter ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 14669744Smsmith 14767761Smsmith sc = (struct acpi_lid_softc *)arg; 148134305Snjl ACPI_SERIAL_BEGIN(lid); 14967761Smsmith 15067761Smsmith /* 15171872Smsmith * Evaluate _LID and check the return value, update lid status. 15267761Smsmith * Zero: The lid is closed 15367761Smsmith * Non-zero: The lid is open 15467761Smsmith */ 155134305Snjl status = acpi_GetInteger(sc->lid_handle, "_LID", &sc->lid_status); 156119529Snjl if (ACPI_FAILURE(status)) 157134305Snjl goto out; 15867761Smsmith 159134305Snjl acpi_sc = acpi_device_get_parent_softc(sc->lid_dev); 160134305Snjl if (acpi_sc == NULL) 161134305Snjl goto out; 16267761Smsmith 163134305Snjl ACPI_VPRINT(sc->lid_dev, acpi_sc, "Lid %s\n", 164134305Snjl sc->lid_status ? "opened" : "closed"); 16586552Siwasaki 166134305Snjl acpi_UserNotify("Lid", sc->lid_handle, sc->lid_status); 167121493Snjl 168134305Snjl if (sc->lid_status == 0) 169134305Snjl EVENTHANDLER_INVOKE(acpi_sleep_event, acpi_sc->acpi_lid_switch_sx); 170134305Snjl else 171134305Snjl EVENTHANDLER_INVOKE(acpi_wakeup_event, acpi_sc->acpi_lid_switch_sx); 172134305Snjl 173133618Snjlout: 174133618Snjl ACPI_SERIAL_END(lid); 17569744Smsmith return_VOID; 17667761Smsmith} 17767761Smsmith 17867761Smsmith/* XXX maybe not here */ 17967761Smsmith#define ACPI_NOTIFY_STATUS_CHANGED 0x80 18067761Smsmith 18167761Smsmithstatic void 18267761Smsmithacpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) 18367761Smsmith{ 184129692Snjl struct acpi_lid_softc *sc; 18567761Smsmith 18696926Speter ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify); 18769744Smsmith 188129692Snjl sc = (struct acpi_lid_softc *)context; 18967761Smsmith switch (notify) { 19067761Smsmith case ACPI_NOTIFY_STATUS_CHANGED: 191167814Sjkim AcpiOsExecute(OSL_NOTIFY_HANDLER, 192167814Sjkim acpi_lid_notify_status_changed, sc); 19367761Smsmith break; 19467761Smsmith default: 195129692Snjl device_printf(sc->lid_dev, "unknown notify %#x\n", notify); 196119529Snjl break; 19767761Smsmith } 198119529Snjl 19969744Smsmith return_VOID; 20067761Smsmith} 201