115e32d5dSMike Smith /*- 215e32d5dSMike Smith * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org> 315e32d5dSMike Smith * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4cb9b0d80SMike Smith * Copyright (c) 2000, 2001 Michael Smith 515e32d5dSMike Smith * Copyright (c) 2000 BSDi 615e32d5dSMike Smith * All rights reserved. 715e32d5dSMike Smith * 815e32d5dSMike Smith * Redistribution and use in source and binary forms, with or without 915e32d5dSMike Smith * modification, are permitted provided that the following conditions 1015e32d5dSMike Smith * are met: 1115e32d5dSMike Smith * 1. Redistributions of source code must retain the above copyright 1215e32d5dSMike Smith * notice, this list of conditions and the following disclaimer. 1315e32d5dSMike Smith * 2. Redistributions in binary form must reproduce the above copyright 1415e32d5dSMike Smith * notice, this list of conditions and the following disclaimer in the 1515e32d5dSMike Smith * documentation and/or other materials provided with the distribution. 1615e32d5dSMike Smith * 1715e32d5dSMike Smith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1815e32d5dSMike Smith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1915e32d5dSMike Smith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2015e32d5dSMike Smith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2115e32d5dSMike Smith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2215e32d5dSMike Smith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2315e32d5dSMike Smith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2415e32d5dSMike Smith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2515e32d5dSMike Smith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2615e32d5dSMike Smith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2715e32d5dSMike Smith * SUCH DAMAGE. 2815e32d5dSMike Smith * 2915e32d5dSMike Smith * $FreeBSD$ 3015e32d5dSMike Smith */ 3115e32d5dSMike Smith 3215e32d5dSMike Smith #include "opt_acpi.h" 3315e32d5dSMike Smith #include <sys/param.h> 3415e32d5dSMike Smith #include <sys/kernel.h> 35fb919e4dSMark Murray #include <sys/proc.h> 36f34fa851SJohn Baldwin #include <sys/lock.h> 3715e32d5dSMike Smith #include <sys/malloc.h> 38b2c9c0daSMitsuru IWASAKI #include <sys/mutex.h> 3915e32d5dSMike Smith #include <sys/bus.h> 4015e32d5dSMike Smith #include <sys/conf.h> 4115e32d5dSMike Smith #include <sys/ioccom.h> 4215e32d5dSMike Smith #include <sys/reboot.h> 4315e32d5dSMike Smith #include <sys/sysctl.h> 4415e32d5dSMike Smith #include <sys/ctype.h> 4515e32d5dSMike Smith 4615e32d5dSMike Smith #include <machine/clock.h> 4715e32d5dSMike Smith 4815e32d5dSMike Smith #include <machine/resource.h> 4915e32d5dSMike Smith 5015e32d5dSMike Smith #include "acpi.h" 5115e32d5dSMike Smith 5215e32d5dSMike Smith #include <dev/acpica/acpivar.h> 5315e32d5dSMike Smith #include <dev/acpica/acpiio.h> 5415e32d5dSMike Smith 5515e32d5dSMike Smith MALLOC_DEFINE(M_ACPIDEV, "acpidev", "ACPI devices"); 5615e32d5dSMike Smith 5715e32d5dSMike Smith /* 580ae55423SMike Smith * Hooks for the ACPI CA debugging infrastructure 590ae55423SMike Smith */ 60cb9b0d80SMike Smith #define _COMPONENT ACPI_BUS 610ae55423SMike Smith MODULE_NAME("ACPI") 620ae55423SMike Smith 630ae55423SMike Smith /* 6415e32d5dSMike Smith * Character device 6515e32d5dSMike Smith */ 6615e32d5dSMike Smith 6715e32d5dSMike Smith static d_open_t acpiopen; 6815e32d5dSMike Smith static d_close_t acpiclose; 6915e32d5dSMike Smith static d_ioctl_t acpiioctl; 7015e32d5dSMike Smith 7115e32d5dSMike Smith #define CDEV_MAJOR 152 7215e32d5dSMike Smith static struct cdevsw acpi_cdevsw = { 7315e32d5dSMike Smith acpiopen, 7415e32d5dSMike Smith acpiclose, 7515e32d5dSMike Smith noread, 7615e32d5dSMike Smith nowrite, 7715e32d5dSMike Smith acpiioctl, 7815e32d5dSMike Smith nopoll, 7915e32d5dSMike Smith nommap, 8015e32d5dSMike Smith nostrategy, 8115e32d5dSMike Smith "acpi", 8215e32d5dSMike Smith CDEV_MAJOR, 8315e32d5dSMike Smith nodump, 8415e32d5dSMike Smith nopsize, 85606e1d68SJohn Baldwin 0 8615e32d5dSMike Smith }; 8715e32d5dSMike Smith 881d073b1dSJohn Baldwin static const char* sleep_state_names[] = { 89a5d1879bSMitsuru IWASAKI "S0", "S1", "S2", "S3", "S4", "S5", "S4B" }; 901d073b1dSJohn Baldwin 912a4ac806SMike Smith /* this has to be static, as the softc is gone when we need it */ 922a4ac806SMike Smith static int acpi_off_state = ACPI_STATE_S5; 932a4ac806SMike Smith 94cb9b0d80SMike Smith struct mtx acpi_mutex; 95cb9b0d80SMike Smith 966d63101aSMike Smith static int acpi_modevent(struct module *mod, int event, void *junk); 9715e32d5dSMike Smith static void acpi_identify(driver_t *driver, device_t parent); 9815e32d5dSMike Smith static int acpi_probe(device_t dev); 9915e32d5dSMike Smith static int acpi_attach(device_t dev); 10015e32d5dSMike Smith static device_t acpi_add_child(device_t bus, int order, const char *name, int unit); 10115e32d5dSMike Smith static int acpi_print_resources(struct resource_list *rl, const char *name, int type, 10215e32d5dSMike Smith const char *format); 10315e32d5dSMike Smith static int acpi_print_child(device_t bus, device_t child); 10415e32d5dSMike Smith static int acpi_read_ivar(device_t dev, device_t child, int index, uintptr_t *result); 10515e32d5dSMike Smith static int acpi_write_ivar(device_t dev, device_t child, int index, uintptr_t value); 10615e32d5dSMike Smith static int acpi_set_resource(device_t dev, device_t child, int type, int rid, u_long start, 10715e32d5dSMike Smith u_long count); 10815e32d5dSMike Smith static int acpi_get_resource(device_t dev, device_t child, int type, int rid, u_long *startp, 10915e32d5dSMike Smith u_long *countp); 11015e32d5dSMike Smith static struct resource *acpi_alloc_resource(device_t bus, device_t child, int type, int *rid, 11115e32d5dSMike Smith u_long start, u_long end, u_long count, u_int flags); 11215e32d5dSMike Smith static int acpi_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r); 11315e32d5dSMike Smith 11415e32d5dSMike Smith static void acpi_probe_children(device_t bus); 11515e32d5dSMike Smith static ACPI_STATUS acpi_probe_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status); 11615e32d5dSMike Smith 11715e32d5dSMike Smith static void acpi_shutdown_pre_sync(void *arg, int howto); 11815e32d5dSMike Smith static void acpi_shutdown_final(void *arg, int howto); 11915e32d5dSMike Smith 12013d4f7baSMitsuru IWASAKI static void acpi_enable_fixed_events(struct acpi_softc *sc); 12113d4f7baSMitsuru IWASAKI 12215e32d5dSMike Smith static void acpi_system_eventhandler_sleep(void *arg, int state); 12315e32d5dSMike Smith static void acpi_system_eventhandler_wakeup(void *arg, int state); 1241d073b1dSJohn Baldwin static int acpi_sleep_state_sysctl(SYSCTL_HANDLER_ARGS); 12515e32d5dSMike Smith 12615e32d5dSMike Smith static device_method_t acpi_methods[] = { 12715e32d5dSMike Smith /* Device interface */ 12815e32d5dSMike Smith DEVMETHOD(device_identify, acpi_identify), 12915e32d5dSMike Smith DEVMETHOD(device_probe, acpi_probe), 13015e32d5dSMike Smith DEVMETHOD(device_attach, acpi_attach), 13115e32d5dSMike Smith DEVMETHOD(device_shutdown, bus_generic_shutdown), 13215e32d5dSMike Smith DEVMETHOD(device_suspend, bus_generic_suspend), 13315e32d5dSMike Smith DEVMETHOD(device_resume, bus_generic_resume), 13415e32d5dSMike Smith 13515e32d5dSMike Smith /* Bus interface */ 13615e32d5dSMike Smith DEVMETHOD(bus_add_child, acpi_add_child), 13715e32d5dSMike Smith DEVMETHOD(bus_print_child, acpi_print_child), 13815e32d5dSMike Smith DEVMETHOD(bus_read_ivar, acpi_read_ivar), 13915e32d5dSMike Smith DEVMETHOD(bus_write_ivar, acpi_write_ivar), 14015e32d5dSMike Smith DEVMETHOD(bus_set_resource, acpi_set_resource), 14115e32d5dSMike Smith DEVMETHOD(bus_get_resource, acpi_get_resource), 14215e32d5dSMike Smith DEVMETHOD(bus_alloc_resource, acpi_alloc_resource), 14315e32d5dSMike Smith DEVMETHOD(bus_release_resource, acpi_release_resource), 14415e32d5dSMike Smith DEVMETHOD(bus_driver_added, bus_generic_driver_added), 14515e32d5dSMike Smith DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 14615e32d5dSMike Smith DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 14715e32d5dSMike Smith DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 14815e32d5dSMike Smith DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 14915e32d5dSMike Smith 15015e32d5dSMike Smith {0, 0} 15115e32d5dSMike Smith }; 15215e32d5dSMike Smith 15315e32d5dSMike Smith static driver_t acpi_driver = { 15415e32d5dSMike Smith "acpi", 15515e32d5dSMike Smith acpi_methods, 15615e32d5dSMike Smith sizeof(struct acpi_softc), 15715e32d5dSMike Smith }; 15815e32d5dSMike Smith 15915e32d5dSMike Smith devclass_t acpi_devclass; 1606d63101aSMike Smith DRIVER_MODULE(acpi, nexus, acpi_driver, acpi_devclass, acpi_modevent, 0); 16115e32d5dSMike Smith 16215e32d5dSMike Smith SYSCTL_INT(_debug, OID_AUTO, acpi_debug_layer, CTLFLAG_RW, &AcpiDbgLayer, 0, ""); 16315e32d5dSMike Smith SYSCTL_INT(_debug, OID_AUTO, acpi_debug_level, CTLFLAG_RW, &AcpiDbgLevel, 0, ""); 16415e32d5dSMike Smith 16515e32d5dSMike Smith /* 1666d63101aSMike Smith * ACPI can only be loaded as a module by the loader; activating it after 1676d63101aSMike Smith * system bootstrap time is not useful, and can be fatal to the system. 1686d63101aSMike Smith * It also cannot be unloaded, since the entire system bus heirarchy hangs off it. 1696d63101aSMike Smith */ 1706d63101aSMike Smith static int 1716d63101aSMike Smith acpi_modevent(struct module *mod, int event, void *junk) 1726d63101aSMike Smith { 1736d63101aSMike Smith switch(event) { 1746d63101aSMike Smith case MOD_LOAD: 1756d63101aSMike Smith if (!cold) 1766d63101aSMike Smith return(EPERM); 1776d63101aSMike Smith break; 1786d63101aSMike Smith case MOD_UNLOAD: 1796d63101aSMike Smith return(EBUSY); 1806d63101aSMike Smith default: 1816d63101aSMike Smith break; 1826d63101aSMike Smith } 1836d63101aSMike Smith return(0); 1846d63101aSMike Smith } 1856d63101aSMike Smith 1866d63101aSMike Smith /* 18715e32d5dSMike Smith * Detect ACPI, perform early initialisation 18815e32d5dSMike Smith */ 18915e32d5dSMike Smith static void 19015e32d5dSMike Smith acpi_identify(driver_t *driver, device_t parent) 19115e32d5dSMike Smith { 19215e32d5dSMike Smith device_t child; 19315e32d5dSMike Smith int error; 19415e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 19515e32d5dSMike Smith char *debugpoint = getenv("debug.acpi.debugger"); 19615e32d5dSMike Smith #endif 19715e32d5dSMike Smith 1982a4ac806SMike Smith FUNCTION_TRACE(__func__); 1990ae55423SMike Smith 200840f9b53STakanori Watanabe if(!cold){ 201840f9b53STakanori Watanabe printf("Don't load this driver from userland!!\n"); 202840f9b53STakanori Watanabe return ; 203840f9b53STakanori Watanabe } 204840f9b53STakanori Watanabe 20515e32d5dSMike Smith /* 20615e32d5dSMike Smith * Make sure we're not being doubly invoked. 20715e32d5dSMike Smith */ 20815e32d5dSMike Smith if (device_find_child(parent, "acpi", 0) != NULL) 2090ae55423SMike Smith return_VOID; 21015e32d5dSMike Smith 211cb9b0d80SMike Smith /* initialise the ACPI mutex */ 212cb9b0d80SMike Smith mtx_init(&acpi_mutex, "ACPI global lock", MTX_DEF); 213cb9b0d80SMike Smith 21415e32d5dSMike Smith /* 2152a4ac806SMike Smith * Start up the ACPI CA subsystem. 21615e32d5dSMike Smith */ 21715e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 21815e32d5dSMike Smith if (debugpoint && !strcmp(debugpoint, "init")) 21915e32d5dSMike Smith acpi_EnterDebugger(); 22015e32d5dSMike Smith #endif 22115e32d5dSMike Smith if ((error = AcpiInitializeSubsystem()) != AE_OK) { 222bfae45aaSMike Smith printf("ACPI: initialisation failed: %s\n", AcpiFormatException(error)); 2230ae55423SMike Smith return_VOID; 22415e32d5dSMike Smith } 22515e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 22615e32d5dSMike Smith if (debugpoint && !strcmp(debugpoint, "tables")) 22715e32d5dSMike Smith acpi_EnterDebugger(); 22815e32d5dSMike Smith #endif 229acf72ef4SMike Smith if ((error = AcpiLoadTables()) != AE_OK) { 230bfae45aaSMike Smith printf("ACPI: table load failed: %s\n", AcpiFormatException(error)); 2310ae55423SMike Smith return_VOID; 23215e32d5dSMike Smith } 23315e32d5dSMike Smith 23415e32d5dSMike Smith /* 23515e32d5dSMike Smith * Attach the actual ACPI device. 23615e32d5dSMike Smith */ 23715e32d5dSMike Smith if ((child = BUS_ADD_CHILD(parent, 0, "acpi", 0)) == NULL) { 23815e32d5dSMike Smith device_printf(parent, "ACPI: could not attach\n"); 2390ae55423SMike Smith return_VOID; 24015e32d5dSMike Smith } 24115e32d5dSMike Smith } 24215e32d5dSMike Smith 24315e32d5dSMike Smith /* 24415e32d5dSMike Smith * Fetch some descriptive data from ACPI to put in our attach message 24515e32d5dSMike Smith */ 24615e32d5dSMike Smith static int 24715e32d5dSMike Smith acpi_probe(device_t dev) 24815e32d5dSMike Smith { 24915e32d5dSMike Smith ACPI_TABLE_HEADER th; 25015e32d5dSMike Smith char buf[20]; 251cb9b0d80SMike Smith ACPI_STATUS status; 25215e32d5dSMike Smith int error; 25315e32d5dSMike Smith 2542a4ac806SMike Smith FUNCTION_TRACE(__func__); 255cb9b0d80SMike Smith ACPI_LOCK; 2560ae55423SMike Smith 257cb9b0d80SMike Smith if ((status = AcpiGetTableHeader(ACPI_TABLE_XSDT, 1, &th)) != AE_OK) { 258bfae45aaSMike Smith device_printf(dev, "couldn't get XSDT header: %s\n", AcpiFormatException(status)); 259cb9b0d80SMike Smith error = ENXIO; 260cb9b0d80SMike Smith } else { 26115e32d5dSMike Smith sprintf(buf, "%.6s %.8s", th.OemId, th.OemTableId); 26215e32d5dSMike Smith device_set_desc_copy(dev, buf); 263cb9b0d80SMike Smith error = 0; 264cb9b0d80SMike Smith } 265cb9b0d80SMike Smith ACPI_UNLOCK; 266cb9b0d80SMike Smith return_VALUE(error); 26715e32d5dSMike Smith } 26815e32d5dSMike Smith 26915e32d5dSMike Smith static int 27015e32d5dSMike Smith acpi_attach(device_t dev) 27115e32d5dSMike Smith { 27215e32d5dSMike Smith struct acpi_softc *sc; 273cb9b0d80SMike Smith ACPI_STATUS status; 27415e32d5dSMike Smith int error; 27515e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 27615e32d5dSMike Smith char *debugpoint = getenv("debug.acpi.debugger"); 27715e32d5dSMike Smith #endif 27815e32d5dSMike Smith 2792a4ac806SMike Smith FUNCTION_TRACE(__func__); 280cb9b0d80SMike Smith ACPI_LOCK; 28115e32d5dSMike Smith sc = device_get_softc(dev); 28215e32d5dSMike Smith bzero(sc, sizeof(*sc)); 28315e32d5dSMike Smith sc->acpi_dev = dev; 28415e32d5dSMike Smith 2856161544cSTakanori Watanabe acpi_install_wakeup_handler(sc); 2866161544cSTakanori Watanabe 28715e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 28815e32d5dSMike Smith if (debugpoint && !strcmp(debugpoint, "spaces")) 28915e32d5dSMike Smith acpi_EnterDebugger(); 29015e32d5dSMike Smith #endif 29115e32d5dSMike Smith 29215e32d5dSMike Smith /* 29315e32d5dSMike Smith * Install the default address space handlers. 29415e32d5dSMike Smith */ 295cb9b0d80SMike Smith error = ENXIO; 296cb9b0d80SMike Smith if ((status = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 2972a4ac806SMike Smith ACPI_ADR_SPACE_SYSTEM_MEMORY, 29815e32d5dSMike Smith ACPI_DEFAULT_HANDLER, 29915e32d5dSMike Smith NULL, NULL)) != AE_OK) { 300bfae45aaSMike Smith device_printf(dev, "could not initialise SystemMemory handler: %s\n", AcpiFormatException(status)); 301cb9b0d80SMike Smith goto out; 30215e32d5dSMike Smith } 303cb9b0d80SMike Smith if ((status = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 3042a4ac806SMike Smith ACPI_ADR_SPACE_SYSTEM_IO, 30515e32d5dSMike Smith ACPI_DEFAULT_HANDLER, 30615e32d5dSMike Smith NULL, NULL)) != AE_OK) { 307bfae45aaSMike Smith device_printf(dev, "could not initialise SystemIO handler: %s\n", AcpiFormatException(status)); 308cb9b0d80SMike Smith goto out; 30915e32d5dSMike Smith } 310cb9b0d80SMike Smith if ((status = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 3112a4ac806SMike Smith ACPI_ADR_SPACE_PCI_CONFIG, 31215e32d5dSMike Smith ACPI_DEFAULT_HANDLER, 31315e32d5dSMike Smith NULL, NULL)) != AE_OK) { 314bfae45aaSMike Smith device_printf(dev, "could not initialise PciConfig handler: %s\n", AcpiFormatException(status)); 315cb9b0d80SMike Smith goto out; 31615e32d5dSMike Smith } 31715e32d5dSMike Smith 31815e32d5dSMike Smith /* 31915e32d5dSMike Smith * Bring ACPI fully online. 32015e32d5dSMike Smith * 32115e32d5dSMike Smith * Note that we request that device _STA and _INI methods not be run (ACPI_NO_DEVICE_INIT) 32215e32d5dSMike Smith * and the final object initialisation pass be skipped (ACPI_NO_OBJECT_INIT). 32315e32d5dSMike Smith * 32415e32d5dSMike Smith * XXX We need to arrange for the object init pass after we have attached all our 32515e32d5dSMike Smith * child devices. 32615e32d5dSMike Smith */ 32715e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 32815e32d5dSMike Smith if (debugpoint && !strcmp(debugpoint, "enable")) 32915e32d5dSMike Smith acpi_EnterDebugger(); 33015e32d5dSMike Smith #endif 331cb9b0d80SMike Smith if ((status = AcpiEnableSubsystem(ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT)) != AE_OK) { 332bfae45aaSMike Smith device_printf(dev, "could not enable ACPI: %s\n", AcpiFormatException(status)); 333cb9b0d80SMike Smith goto out; 33415e32d5dSMike Smith } 33515e32d5dSMike Smith 33615e32d5dSMike Smith /* 3371d073b1dSJohn Baldwin * Setup our sysctl tree. 3381d073b1dSJohn Baldwin * 3391d073b1dSJohn Baldwin * XXX: This doesn't check to make sure that none of these fail. 3401d073b1dSJohn Baldwin */ 3411d073b1dSJohn Baldwin sysctl_ctx_init(&sc->acpi_sysctl_ctx); 3421d073b1dSJohn Baldwin sc->acpi_sysctl_tree = SYSCTL_ADD_NODE(&sc->acpi_sysctl_ctx, 3431d073b1dSJohn Baldwin SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO, 3441d073b1dSJohn Baldwin device_get_name(dev), CTLFLAG_RD, 0, ""); 3451d073b1dSJohn Baldwin SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree), 3461d073b1dSJohn Baldwin OID_AUTO, "power_button_state", CTLTYPE_STRING | CTLFLAG_RW, 3471d073b1dSJohn Baldwin &sc->acpi_power_button_sx, 0, acpi_sleep_state_sysctl, "A", ""); 3481d073b1dSJohn Baldwin SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree), 3491d073b1dSJohn Baldwin OID_AUTO, "sleep_button_state", CTLTYPE_STRING | CTLFLAG_RW, 3501d073b1dSJohn Baldwin &sc->acpi_sleep_button_sx, 0, acpi_sleep_state_sysctl, "A", ""); 3511d073b1dSJohn Baldwin SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree), 3521d073b1dSJohn Baldwin OID_AUTO, "lid_switch_state", CTLTYPE_STRING | CTLFLAG_RW, 3531d073b1dSJohn Baldwin &sc->acpi_lid_switch_sx, 0, acpi_sleep_state_sysctl, "A", ""); 3541d073b1dSJohn Baldwin 3551d073b1dSJohn Baldwin /* 35615e32d5dSMike Smith * Dispatch the default sleep state to devices. 35715e32d5dSMike Smith * TBD: should be configured from userland policy manager. 35815e32d5dSMike Smith */ 35915e32d5dSMike Smith sc->acpi_power_button_sx = ACPI_POWER_BUTTON_DEFAULT_SX; 36015e32d5dSMike Smith sc->acpi_sleep_button_sx = ACPI_SLEEP_BUTTON_DEFAULT_SX; 36115e32d5dSMike Smith sc->acpi_lid_switch_sx = ACPI_LID_SWITCH_DEFAULT_SX; 36215e32d5dSMike Smith 36313d4f7baSMitsuru IWASAKI acpi_enable_fixed_events(sc); 36415e32d5dSMike Smith 36515e32d5dSMike Smith /* 36615e32d5dSMike Smith * Scan the namespace and attach/initialise children. 36715e32d5dSMike Smith */ 36815e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 36915e32d5dSMike Smith if (debugpoint && !strcmp(debugpoint, "probe")) 37015e32d5dSMike Smith acpi_EnterDebugger(); 37115e32d5dSMike Smith #endif 3720ae55423SMike Smith if (!acpi_disabled("bus")) 37315e32d5dSMike Smith acpi_probe_children(dev); 37415e32d5dSMike Smith 37515e32d5dSMike Smith /* 37615e32d5dSMike Smith * Register our shutdown handlers 37715e32d5dSMike Smith */ 37815e32d5dSMike Smith EVENTHANDLER_REGISTER(shutdown_pre_sync, acpi_shutdown_pre_sync, sc, SHUTDOWN_PRI_LAST); 37915e32d5dSMike Smith EVENTHANDLER_REGISTER(shutdown_final, acpi_shutdown_final, sc, SHUTDOWN_PRI_LAST); 38015e32d5dSMike Smith 38115e32d5dSMike Smith /* 38215e32d5dSMike Smith * Register our acpi event handlers. 38315e32d5dSMike Smith * XXX should be configurable eg. via userland policy manager. 38415e32d5dSMike Smith */ 38515e32d5dSMike Smith EVENTHANDLER_REGISTER(acpi_sleep_event, acpi_system_eventhandler_sleep, sc, ACPI_EVENT_PRI_LAST); 38615e32d5dSMike Smith EVENTHANDLER_REGISTER(acpi_wakeup_event, acpi_system_eventhandler_wakeup, sc, ACPI_EVENT_PRI_LAST); 38715e32d5dSMike Smith 38815e32d5dSMike Smith /* 38915e32d5dSMike Smith * Flag our initial states. 39015e32d5dSMike Smith */ 39115e32d5dSMike Smith sc->acpi_enabled = 1; 39215e32d5dSMike Smith sc->acpi_sstate = ACPI_STATE_S0; 39315e32d5dSMike Smith 39415e32d5dSMike Smith /* 39515e32d5dSMike Smith * Create the control device 39615e32d5dSMike Smith */ 39715e32d5dSMike Smith sc->acpi_dev_t = make_dev(&acpi_cdevsw, 0, 0, 5, 0660, "acpi"); 39815e32d5dSMike Smith sc->acpi_dev_t->si_drv1 = sc; 39915e32d5dSMike Smith 40015e32d5dSMike Smith #ifdef ENABLE_DEBUGGER 40115e32d5dSMike Smith if (debugpoint && !strcmp(debugpoint, "running")) 40215e32d5dSMike Smith acpi_EnterDebugger(); 40315e32d5dSMike Smith #endif 404cb9b0d80SMike Smith error = 0; 405cb9b0d80SMike Smith 406cb9b0d80SMike Smith out: 407cb9b0d80SMike Smith ACPI_UNLOCK; 408cb9b0d80SMike Smith return_VALUE(error); 40915e32d5dSMike Smith } 41015e32d5dSMike Smith 41115e32d5dSMike Smith /* 41215e32d5dSMike Smith * Handle a new device being added 41315e32d5dSMike Smith */ 41415e32d5dSMike Smith static device_t 41515e32d5dSMike Smith acpi_add_child(device_t bus, int order, const char *name, int unit) 41615e32d5dSMike Smith { 41715e32d5dSMike Smith struct acpi_device *ad; 41815e32d5dSMike Smith device_t child; 41915e32d5dSMike Smith 42015e32d5dSMike Smith if ((ad = malloc(sizeof(*ad), M_ACPIDEV, M_NOWAIT)) == NULL) 42115e32d5dSMike Smith return(NULL); 42215e32d5dSMike Smith bzero(ad, sizeof(*ad)); 42315e32d5dSMike Smith 42415e32d5dSMike Smith resource_list_init(&ad->ad_rl); 42515e32d5dSMike Smith 42615e32d5dSMike Smith child = device_add_child_ordered(bus, order, name, unit); 42715e32d5dSMike Smith if (child != NULL) 42815e32d5dSMike Smith device_set_ivars(child, ad); 42915e32d5dSMike Smith return(child); 43015e32d5dSMike Smith } 43115e32d5dSMike Smith 43215e32d5dSMike Smith /* 43315e32d5dSMike Smith * Print child device resource usage 43415e32d5dSMike Smith */ 43515e32d5dSMike Smith static int 43615e32d5dSMike Smith acpi_print_resources(struct resource_list *rl, const char *name, int type, const char *format) 43715e32d5dSMike Smith { 43815e32d5dSMike Smith struct resource_list_entry *rle; 43915e32d5dSMike Smith int printed, retval; 44015e32d5dSMike Smith 44115e32d5dSMike Smith printed = 0; 44215e32d5dSMike Smith retval = 0; 44315e32d5dSMike Smith 44415e32d5dSMike Smith if (!SLIST_FIRST(rl)) 44515e32d5dSMike Smith return(0); 44615e32d5dSMike Smith 44715e32d5dSMike Smith /* Yes, this is kinda cheating */ 44815e32d5dSMike Smith SLIST_FOREACH(rle, rl, link) { 44915e32d5dSMike Smith if (rle->type == type) { 45015e32d5dSMike Smith if (printed == 0) 45115e32d5dSMike Smith retval += printf(" %s ", name); 45215e32d5dSMike Smith else if (printed > 0) 45315e32d5dSMike Smith retval += printf(","); 45415e32d5dSMike Smith printed++; 45515e32d5dSMike Smith retval += printf(format, rle->start); 45615e32d5dSMike Smith if (rle->count > 1) { 45715e32d5dSMike Smith retval += printf("-"); 45815e32d5dSMike Smith retval += printf(format, rle->start + 45915e32d5dSMike Smith rle->count - 1); 46015e32d5dSMike Smith } 46115e32d5dSMike Smith } 46215e32d5dSMike Smith } 46315e32d5dSMike Smith return(retval); 46415e32d5dSMike Smith } 46515e32d5dSMike Smith 46615e32d5dSMike Smith static int 46715e32d5dSMike Smith acpi_print_child(device_t bus, device_t child) 46815e32d5dSMike Smith { 46915e32d5dSMike Smith struct acpi_device *adev = device_get_ivars(child); 47015e32d5dSMike Smith struct resource_list *rl = &adev->ad_rl; 47115e32d5dSMike Smith int retval = 0; 47215e32d5dSMike Smith 47315e32d5dSMike Smith retval += bus_print_child_header(bus, child); 47415e32d5dSMike Smith retval += acpi_print_resources(rl, "port", SYS_RES_IOPORT, "%#lx"); 47515e32d5dSMike Smith retval += acpi_print_resources(rl, "iomem", SYS_RES_MEMORY, "%#lx"); 47615e32d5dSMike Smith retval += acpi_print_resources(rl, "irq", SYS_RES_IRQ, "%ld"); 47715e32d5dSMike Smith retval += bus_print_child_footer(bus, child); 47815e32d5dSMike Smith 47915e32d5dSMike Smith return(retval); 48015e32d5dSMike Smith } 48115e32d5dSMike Smith 48215e32d5dSMike Smith 48315e32d5dSMike Smith /* 48415e32d5dSMike Smith * Handle per-device ivars 48515e32d5dSMike Smith */ 48615e32d5dSMike Smith static int 48715e32d5dSMike Smith acpi_read_ivar(device_t dev, device_t child, int index, uintptr_t *result) 48815e32d5dSMike Smith { 48915e32d5dSMike Smith struct acpi_device *ad; 49015e32d5dSMike Smith 49115e32d5dSMike Smith if ((ad = device_get_ivars(child)) == NULL) { 49215e32d5dSMike Smith printf("device has no ivars\n"); 49315e32d5dSMike Smith return(ENOENT); 49415e32d5dSMike Smith } 49515e32d5dSMike Smith 49615e32d5dSMike Smith switch(index) { 49715e32d5dSMike Smith /* ACPI ivars */ 49815e32d5dSMike Smith case ACPI_IVAR_HANDLE: 49915e32d5dSMike Smith *(ACPI_HANDLE *)result = ad->ad_handle; 50015e32d5dSMike Smith break; 50115e32d5dSMike Smith case ACPI_IVAR_MAGIC: 50215e32d5dSMike Smith *(int *)result = ad->ad_magic; 50315e32d5dSMike Smith break; 50415e32d5dSMike Smith case ACPI_IVAR_PRIVATE: 50515e32d5dSMike Smith *(void **)result = ad->ad_private; 50615e32d5dSMike Smith break; 50715e32d5dSMike Smith 50815e32d5dSMike Smith default: 50915e32d5dSMike Smith panic("bad ivar read request (%d)\n", index); 51015e32d5dSMike Smith return(ENOENT); 51115e32d5dSMike Smith } 51215e32d5dSMike Smith return(0); 51315e32d5dSMike Smith } 51415e32d5dSMike Smith 51515e32d5dSMike Smith static int 51615e32d5dSMike Smith acpi_write_ivar(device_t dev, device_t child, int index, uintptr_t value) 51715e32d5dSMike Smith { 51815e32d5dSMike Smith struct acpi_device *ad; 51915e32d5dSMike Smith 52015e32d5dSMike Smith if ((ad = device_get_ivars(child)) == NULL) { 52115e32d5dSMike Smith printf("device has no ivars\n"); 52215e32d5dSMike Smith return(ENOENT); 52315e32d5dSMike Smith } 52415e32d5dSMike Smith 52515e32d5dSMike Smith switch(index) { 52615e32d5dSMike Smith /* ACPI ivars */ 52715e32d5dSMike Smith case ACPI_IVAR_HANDLE: 52815e32d5dSMike Smith ad->ad_handle = (ACPI_HANDLE)value; 52915e32d5dSMike Smith break; 53015e32d5dSMike Smith case ACPI_IVAR_MAGIC: 53115e32d5dSMike Smith ad->ad_magic = (int )value; 53215e32d5dSMike Smith break; 53315e32d5dSMike Smith case ACPI_IVAR_PRIVATE: 53415e32d5dSMike Smith ad->ad_private = (void *)value; 53515e32d5dSMike Smith break; 53615e32d5dSMike Smith 53715e32d5dSMike Smith default: 53815e32d5dSMike Smith panic("bad ivar write request (%d)\n", index); 53915e32d5dSMike Smith return(ENOENT); 54015e32d5dSMike Smith } 54115e32d5dSMike Smith return(0); 54215e32d5dSMike Smith } 54315e32d5dSMike Smith 54415e32d5dSMike Smith /* 54515e32d5dSMike Smith * Handle child resource allocation/removal 54615e32d5dSMike Smith */ 54715e32d5dSMike Smith static int 54815e32d5dSMike Smith acpi_set_resource(device_t dev, device_t child, int type, int rid, u_long start, u_long count) 54915e32d5dSMike Smith { 55015e32d5dSMike Smith struct acpi_device *ad = device_get_ivars(child); 55115e32d5dSMike Smith struct resource_list *rl = &ad->ad_rl; 55215e32d5dSMike Smith 55315e32d5dSMike Smith resource_list_add(rl, type, rid, start, start + count -1, count); 55415e32d5dSMike Smith 55515e32d5dSMike Smith return(0); 55615e32d5dSMike Smith } 55715e32d5dSMike Smith 55815e32d5dSMike Smith static int 55915e32d5dSMike Smith acpi_get_resource(device_t dev, device_t child, int type, int rid, u_long *startp, u_long *countp) 56015e32d5dSMike Smith { 56115e32d5dSMike Smith struct acpi_device *ad = device_get_ivars(child); 56215e32d5dSMike Smith struct resource_list *rl = &ad->ad_rl; 56315e32d5dSMike Smith struct resource_list_entry *rle; 56415e32d5dSMike Smith 56515e32d5dSMike Smith rle = resource_list_find(rl, type, rid); 56615e32d5dSMike Smith if (!rle) 56715e32d5dSMike Smith return(ENOENT); 56815e32d5dSMike Smith 56915e32d5dSMike Smith if (startp) 57015e32d5dSMike Smith *startp = rle->start; 57115e32d5dSMike Smith if (countp) 57215e32d5dSMike Smith *countp = rle->count; 57315e32d5dSMike Smith 57415e32d5dSMike Smith return(0); 57515e32d5dSMike Smith } 57615e32d5dSMike Smith 57715e32d5dSMike Smith static struct resource * 57815e32d5dSMike Smith acpi_alloc_resource(device_t bus, device_t child, int type, int *rid, 57915e32d5dSMike Smith u_long start, u_long end, u_long count, u_int flags) 58015e32d5dSMike Smith { 58115e32d5dSMike Smith struct acpi_device *ad = device_get_ivars(child); 58215e32d5dSMike Smith struct resource_list *rl = &ad->ad_rl; 58315e32d5dSMike Smith 58415e32d5dSMike Smith return(resource_list_alloc(rl, bus, child, type, rid, start, end, count, flags)); 58515e32d5dSMike Smith } 58615e32d5dSMike Smith 58715e32d5dSMike Smith static int 58815e32d5dSMike Smith acpi_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) 58915e32d5dSMike Smith { 59015e32d5dSMike Smith struct acpi_device *ad = device_get_ivars(child); 59115e32d5dSMike Smith struct resource_list *rl = &ad->ad_rl; 59215e32d5dSMike Smith 59315e32d5dSMike Smith return(resource_list_release(rl, bus, child, type, rid, r)); 59415e32d5dSMike Smith } 59515e32d5dSMike Smith 59615e32d5dSMike Smith /* 59715e32d5dSMike Smith * Scan relevant portions of the ACPI namespace and attach child devices. 59815e32d5dSMike Smith * 5997d3bcec9SMike Smith * Note that we only expect to find devices in the \_PR_, \_TZ_, \_SI_ and \_SB_ scopes, 6007d3bcec9SMike Smith * and \_PR_ and \_TZ_ become obsolete in the ACPI 2.0 spec. 60115e32d5dSMike Smith */ 60215e32d5dSMike Smith static void 60315e32d5dSMike Smith acpi_probe_children(device_t bus) 60415e32d5dSMike Smith { 60515e32d5dSMike Smith ACPI_HANDLE parent; 6067d3bcec9SMike Smith static char *scopes[] = {"\\_PR_", "\\_TZ_", "\\_SI", "\\_SB_", NULL}; 60715e32d5dSMike Smith int i; 60815e32d5dSMike Smith 6092a4ac806SMike Smith FUNCTION_TRACE(__func__); 610cb9b0d80SMike Smith ACPI_ASSERTLOCK; 6110ae55423SMike Smith 61215e32d5dSMike Smith /* 61315e32d5dSMike Smith * Create any static children by calling device identify methods. 61415e32d5dSMike Smith */ 6154c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "device identify routines\n")); 61615e32d5dSMike Smith bus_generic_probe(bus); 61715e32d5dSMike Smith 61815e32d5dSMike Smith /* 61915e32d5dSMike Smith * Scan the namespace and insert placeholders for all the devices that 62015e32d5dSMike Smith * we find. 62115e32d5dSMike Smith * 62215e32d5dSMike Smith * Note that we use AcpiWalkNamespace rather than AcpiGetDevices because 62315e32d5dSMike Smith * we want to create nodes for all devices, not just those that are currently 62415e32d5dSMike Smith * present. (This assumes that we don't want to create/remove devices as they 62515e32d5dSMike Smith * appear, which might be smarter.) 62615e32d5dSMike Smith */ 6274c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "namespace scan\n")); 62815e32d5dSMike Smith for (i = 0; scopes[i] != NULL; i++) 62915e32d5dSMike Smith if ((AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], &parent)) == AE_OK) 63015e32d5dSMike Smith AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, acpi_probe_child, bus, NULL); 63115e32d5dSMike Smith 63215e32d5dSMike Smith /* 63315e32d5dSMike Smith * Scan all of the child devices we have created and let them probe/attach. 63415e32d5dSMike Smith */ 6354c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "first bus_generic_attach\n")); 63615e32d5dSMike Smith bus_generic_attach(bus); 63715e32d5dSMike Smith 63815e32d5dSMike Smith /* 63915e32d5dSMike Smith * Some of these children may have attached others as part of their attach 64015e32d5dSMike Smith * process (eg. the root PCI bus driver), so rescan. 64115e32d5dSMike Smith */ 6424c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "second bus_generic_attach\n")); 64315e32d5dSMike Smith bus_generic_attach(bus); 6440ae55423SMike Smith 6450ae55423SMike Smith return_VOID; 64615e32d5dSMike Smith } 64715e32d5dSMike Smith 64815e32d5dSMike Smith /* 64915e32d5dSMike Smith * Evaluate a child device and determine whether we might attach a device to 65015e32d5dSMike Smith * it. 65115e32d5dSMike Smith */ 65215e32d5dSMike Smith static ACPI_STATUS 65315e32d5dSMike Smith acpi_probe_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status) 65415e32d5dSMike Smith { 65515e32d5dSMike Smith ACPI_OBJECT_TYPE type; 65615e32d5dSMike Smith device_t child, bus = (device_t)context; 65715e32d5dSMike Smith 6582a4ac806SMike Smith FUNCTION_TRACE(__func__); 6590ae55423SMike Smith 6600ae55423SMike Smith /* 6610ae55423SMike Smith * Skip this device if we think we'll have trouble with it. 6620ae55423SMike Smith */ 6630ae55423SMike Smith if (acpi_avoid(handle)) 6640ae55423SMike Smith return_ACPI_STATUS(AE_OK); 6650ae55423SMike Smith 66615e32d5dSMike Smith if (AcpiGetType(handle, &type) == AE_OK) { 66715e32d5dSMike Smith switch(type) { 66815e32d5dSMike Smith case ACPI_TYPE_DEVICE: 66915e32d5dSMike Smith case ACPI_TYPE_PROCESSOR: 67015e32d5dSMike Smith case ACPI_TYPE_THERMAL: 67115e32d5dSMike Smith case ACPI_TYPE_POWER: 6720ae55423SMike Smith if (acpi_disabled("children")) 6730ae55423SMike Smith break; 67415e32d5dSMike Smith /* 67515e32d5dSMike Smith * Create a placeholder device for this node. Sort the placeholder 67615e32d5dSMike Smith * so that the probe/attach passes will run breadth-first. 67715e32d5dSMike Smith */ 6784c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "scanning '%s'\n", acpi_name(handle))); 67915e32d5dSMike Smith child = BUS_ADD_CHILD(bus, level * 10, NULL, -1); 68015e32d5dSMike Smith acpi_set_handle(child, handle); 6810ae55423SMike Smith DEBUG_EXEC(device_probe_and_attach(child)); 6820ae55423SMike Smith break; 68315e32d5dSMike Smith } 68415e32d5dSMike Smith } 6850ae55423SMike Smith return_ACPI_STATUS(AE_OK); 68615e32d5dSMike Smith } 68715e32d5dSMike Smith 68815e32d5dSMike Smith static void 68915e32d5dSMike Smith acpi_shutdown_pre_sync(void *arg, int howto) 69015e32d5dSMike Smith { 691cb9b0d80SMike Smith 692cb9b0d80SMike Smith ACPI_ASSERTLOCK; 693cb9b0d80SMike Smith 69415e32d5dSMike Smith /* 6950ae55423SMike Smith * Disable all ACPI events before soft off, otherwise the system 69615e32d5dSMike Smith * will be turned on again on some laptops. 69715e32d5dSMike Smith * 69815e32d5dSMike Smith * XXX this should probably be restricted to masking some events just 69915e32d5dSMike Smith * before powering down, since we may still need ACPI during the 70015e32d5dSMike Smith * shutdown process. 70115e32d5dSMike Smith */ 70215e32d5dSMike Smith acpi_Disable((struct acpi_softc *)arg); 70315e32d5dSMike Smith } 70415e32d5dSMike Smith 70515e32d5dSMike Smith static void 70615e32d5dSMike Smith acpi_shutdown_final(void *arg, int howto) 70715e32d5dSMike Smith { 70815e32d5dSMike Smith ACPI_STATUS status; 70915e32d5dSMike Smith 710cb9b0d80SMike Smith ACPI_ASSERTLOCK; 711cb9b0d80SMike Smith 7125f3e4175SMitsuru IWASAKI if (howto & RB_POWEROFF) { 71315e32d5dSMike Smith printf("Power system off using ACPI...\n"); 7142a4ac806SMike Smith if ((status = AcpiEnterSleepState(acpi_off_state)) != AE_OK) { 715bfae45aaSMike Smith printf("ACPI power-off failed - %s\n", AcpiFormatException(status)); 71615e32d5dSMike Smith } else { 71715e32d5dSMike Smith DELAY(1000000); 71815e32d5dSMike Smith printf("ACPI power-off failed - timeout\n"); 71915e32d5dSMike Smith } 72015e32d5dSMike Smith } 72115e32d5dSMike Smith } 72215e32d5dSMike Smith 72313d4f7baSMitsuru IWASAKI static void 72413d4f7baSMitsuru IWASAKI acpi_enable_fixed_events(struct acpi_softc *sc) 72513d4f7baSMitsuru IWASAKI { 72613d4f7baSMitsuru IWASAKI static int first_time = 1; 72713d4f7baSMitsuru IWASAKI #define MSGFORMAT "%s button is handled as a fixed feature programming model.\n" 72813d4f7baSMitsuru IWASAKI 729cb9b0d80SMike Smith ACPI_ASSERTLOCK; 730cb9b0d80SMike Smith 73113d4f7baSMitsuru IWASAKI /* Enable and clear fixed events and install handlers. */ 732cb9b0d80SMike Smith if ((AcpiGbl_FADT != NULL) && (AcpiGbl_FADT->PwrButton == 0)) { 73313d4f7baSMitsuru IWASAKI AcpiEnableEvent(ACPI_EVENT_POWER_BUTTON, ACPI_EVENT_FIXED); 73413d4f7baSMitsuru IWASAKI AcpiClearEvent(ACPI_EVENT_POWER_BUTTON, ACPI_EVENT_FIXED); 73513d4f7baSMitsuru IWASAKI AcpiInstallFixedEventHandler(ACPI_EVENT_POWER_BUTTON, 73613d4f7baSMitsuru IWASAKI acpi_eventhandler_power_button_for_sleep, sc); 73713d4f7baSMitsuru IWASAKI if (first_time) { 73813d4f7baSMitsuru IWASAKI device_printf(sc->acpi_dev, MSGFORMAT, "power"); 73913d4f7baSMitsuru IWASAKI } 74013d4f7baSMitsuru IWASAKI } 741cb9b0d80SMike Smith if ((AcpiGbl_FADT != NULL) && (AcpiGbl_FADT->SleepButton == 0)) { 74213d4f7baSMitsuru IWASAKI AcpiEnableEvent(ACPI_EVENT_SLEEP_BUTTON, ACPI_EVENT_FIXED); 74313d4f7baSMitsuru IWASAKI AcpiClearEvent(ACPI_EVENT_SLEEP_BUTTON, ACPI_EVENT_FIXED); 74413d4f7baSMitsuru IWASAKI AcpiInstallFixedEventHandler(ACPI_EVENT_SLEEP_BUTTON, 74513d4f7baSMitsuru IWASAKI acpi_eventhandler_sleep_button_for_sleep, sc); 74613d4f7baSMitsuru IWASAKI if (first_time) { 74713d4f7baSMitsuru IWASAKI device_printf(sc->acpi_dev, MSGFORMAT, "sleep"); 74813d4f7baSMitsuru IWASAKI } 74913d4f7baSMitsuru IWASAKI } 75013d4f7baSMitsuru IWASAKI 75113d4f7baSMitsuru IWASAKI first_time = 0; 75213d4f7baSMitsuru IWASAKI } 75313d4f7baSMitsuru IWASAKI 75415e32d5dSMike Smith /* 755c5ba0be4SMike Smith * Returns true if the device is actually present and should 756c5ba0be4SMike Smith * be attached to. This requires the present, enabled, UI-visible 757c5ba0be4SMike Smith * and diagnostics-passed bits to be set. 758c5ba0be4SMike Smith */ 759c5ba0be4SMike Smith BOOLEAN 760c5ba0be4SMike Smith acpi_DeviceIsPresent(device_t dev) 761c5ba0be4SMike Smith { 762c5ba0be4SMike Smith ACPI_HANDLE h; 763c5ba0be4SMike Smith ACPI_DEVICE_INFO devinfo; 764c5ba0be4SMike Smith ACPI_STATUS error; 765c5ba0be4SMike Smith 766cb9b0d80SMike Smith ACPI_ASSERTLOCK; 767cb9b0d80SMike Smith 768c5ba0be4SMike Smith if ((h = acpi_get_handle(dev)) == NULL) 769c5ba0be4SMike Smith return(FALSE); 770c5ba0be4SMike Smith if ((error = AcpiGetObjectInfo(h, &devinfo)) != AE_OK) 771c5ba0be4SMike Smith return(FALSE); 7726f69255bSMike Smith /* XXX 0xf is probably not appropriate */ 773c5ba0be4SMike Smith if ((devinfo.Valid & ACPI_VALID_HID) && (devinfo.CurrentStatus & 0xf)) 774c5ba0be4SMike Smith return(TRUE); 775c5ba0be4SMike Smith return(FALSE); 776c5ba0be4SMike Smith } 777c5ba0be4SMike Smith 778c5ba0be4SMike Smith /* 77915e32d5dSMike Smith * Match a HID string against a device 78015e32d5dSMike Smith */ 78115e32d5dSMike Smith BOOLEAN 78215e32d5dSMike Smith acpi_MatchHid(device_t dev, char *hid) 78315e32d5dSMike Smith { 78415e32d5dSMike Smith ACPI_HANDLE h; 78515e32d5dSMike Smith ACPI_DEVICE_INFO devinfo; 78615e32d5dSMike Smith ACPI_STATUS error; 78715e32d5dSMike Smith 788cb9b0d80SMike Smith ACPI_ASSERTLOCK; 789cb9b0d80SMike Smith 7904d332989SMike Smith if (hid == NULL) 79115e32d5dSMike Smith return(FALSE); 79215e32d5dSMike Smith if ((h = acpi_get_handle(dev)) == NULL) 79315e32d5dSMike Smith return(FALSE); 79415e32d5dSMike Smith if ((error = AcpiGetObjectInfo(h, &devinfo)) != AE_OK) 79515e32d5dSMike Smith return(FALSE); 7964d332989SMike Smith if ((devinfo.Valid & ACPI_VALID_HID) && !strcmp(hid, devinfo.HardwareId)) 79715e32d5dSMike Smith return(TRUE); 79815e32d5dSMike Smith return(FALSE); 79915e32d5dSMike Smith } 80015e32d5dSMike Smith 80115e32d5dSMike Smith /* 802c5ba0be4SMike Smith * Return the handle of a named object within our scope, ie. that of (parent) 803c5ba0be4SMike Smith * or one if its parents. 804c5ba0be4SMike Smith */ 805c5ba0be4SMike Smith ACPI_STATUS 806c5ba0be4SMike Smith acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, ACPI_HANDLE *result) 807c5ba0be4SMike Smith { 808c5ba0be4SMike Smith ACPI_HANDLE r; 809c5ba0be4SMike Smith ACPI_STATUS status; 810c5ba0be4SMike Smith 811cb9b0d80SMike Smith ACPI_ASSERTLOCK; 812cb9b0d80SMike Smith 813c5ba0be4SMike Smith /* walk back up the tree to the root */ 814c5ba0be4SMike Smith for (;;) { 815c5ba0be4SMike Smith status = AcpiGetHandle(parent, path, &r); 816c5ba0be4SMike Smith if (status == AE_OK) { 817c5ba0be4SMike Smith *result = r; 818c5ba0be4SMike Smith return(AE_OK); 819c5ba0be4SMike Smith } 820c5ba0be4SMike Smith if (status != AE_NOT_FOUND) 821c5ba0be4SMike Smith return(AE_OK); 822c5ba0be4SMike Smith if (AcpiGetParent(parent, &r) != AE_OK) 823c5ba0be4SMike Smith return(AE_NOT_FOUND); 824c5ba0be4SMike Smith parent = r; 825c5ba0be4SMike Smith } 826c5ba0be4SMike Smith } 827c5ba0be4SMike Smith 828c5ba0be4SMike Smith /* 829c5ba0be4SMike Smith * Allocate a buffer with a preset data size. 830c5ba0be4SMike Smith */ 831c5ba0be4SMike Smith ACPI_BUFFER * 832c5ba0be4SMike Smith acpi_AllocBuffer(int size) 833c5ba0be4SMike Smith { 834c5ba0be4SMike Smith ACPI_BUFFER *buf; 835c5ba0be4SMike Smith 836c5ba0be4SMike Smith if ((buf = malloc(size + sizeof(*buf), M_ACPIDEV, M_NOWAIT)) == NULL) 837c5ba0be4SMike Smith return(NULL); 838c5ba0be4SMike Smith buf->Length = size; 839c5ba0be4SMike Smith buf->Pointer = (void *)(buf + 1); 840c5ba0be4SMike Smith return(buf); 841c5ba0be4SMike Smith } 842c5ba0be4SMike Smith 843c5ba0be4SMike Smith /* 84415e32d5dSMike Smith * Perform the tedious double-get procedure required for fetching something into 84515e32d5dSMike Smith * an ACPI_BUFFER that has not been initialised. 84615e32d5dSMike Smith */ 84715e32d5dSMike Smith ACPI_STATUS 84815e32d5dSMike Smith acpi_GetIntoBuffer(ACPI_HANDLE handle, ACPI_STATUS (*func)(ACPI_HANDLE, ACPI_BUFFER *), ACPI_BUFFER *buf) 84915e32d5dSMike Smith { 85015e32d5dSMike Smith ACPI_STATUS status; 85115e32d5dSMike Smith 852cb9b0d80SMike Smith ACPI_ASSERTLOCK; 853cb9b0d80SMike Smith 85415e32d5dSMike Smith buf->Length = 0; 85515e32d5dSMike Smith buf->Pointer = NULL; 85615e32d5dSMike Smith 85715e32d5dSMike Smith if ((status = func(handle, buf)) != AE_BUFFER_OVERFLOW) 85815e32d5dSMike Smith return(status); 85915e32d5dSMike Smith if ((buf->Pointer = AcpiOsCallocate(buf->Length)) == NULL) 86015e32d5dSMike Smith return(AE_NO_MEMORY); 86115e32d5dSMike Smith return(func(handle, buf)); 86215e32d5dSMike Smith } 86315e32d5dSMike Smith 86415e32d5dSMike Smith /* 8657d3bcec9SMike Smith * Perform the tedious double-get procedure required for fetching a table into 8667d3bcec9SMike Smith * an ACPI_BUFFER that has not been initialised. 8677d3bcec9SMike Smith */ 8687d3bcec9SMike Smith ACPI_STATUS 8697d3bcec9SMike Smith acpi_GetTableIntoBuffer(ACPI_TABLE_TYPE table, UINT32 instance, ACPI_BUFFER *buf) 8707d3bcec9SMike Smith { 8717d3bcec9SMike Smith ACPI_STATUS status; 8727d3bcec9SMike Smith 8737d3bcec9SMike Smith ACPI_ASSERTLOCK; 8747d3bcec9SMike Smith 8757d3bcec9SMike Smith buf->Length = 0; 8767d3bcec9SMike Smith buf->Pointer = NULL; 8777d3bcec9SMike Smith 8787d3bcec9SMike Smith if ((status = AcpiGetTable(table, instance, buf)) != AE_BUFFER_OVERFLOW) 8797d3bcec9SMike Smith return(status); 8807d3bcec9SMike Smith if ((buf->Pointer = AcpiOsCallocate(buf->Length)) == NULL) 8817d3bcec9SMike Smith return(AE_NO_MEMORY); 8827d3bcec9SMike Smith return(AcpiGetTable(table, instance, buf)); 8837d3bcec9SMike Smith } 8847d3bcec9SMike Smith 8857d3bcec9SMike Smith /* 886c5ba0be4SMike Smith * Perform the tedious double-evaluate procedure for evaluating something into 887c5ba0be4SMike Smith * an ACPI_BUFFER that has not been initialised. Note that this evaluates 888c5ba0be4SMike Smith * twice, so avoid applying this to things that may have side-effects. 889c5ba0be4SMike Smith * 890c5ba0be4SMike Smith * This is like AcpiEvaluateObject with automatic buffer allocation. 89115e32d5dSMike Smith */ 892c5ba0be4SMike Smith ACPI_STATUS 893c5ba0be4SMike Smith acpi_EvaluateIntoBuffer(ACPI_HANDLE object, ACPI_STRING pathname, ACPI_OBJECT_LIST *params, 894c5ba0be4SMike Smith ACPI_BUFFER *buf) 89515e32d5dSMike Smith { 896c5ba0be4SMike Smith ACPI_STATUS status; 89715e32d5dSMike Smith 898cb9b0d80SMike Smith ACPI_ASSERTLOCK; 899cb9b0d80SMike Smith 900c5ba0be4SMike Smith buf->Length = 0; 901c5ba0be4SMike Smith buf->Pointer = NULL; 902c5ba0be4SMike Smith 903c5ba0be4SMike Smith if ((status = AcpiEvaluateObject(object, pathname, params, buf)) != AE_BUFFER_OVERFLOW) 904c5ba0be4SMike Smith return(status); 905c5ba0be4SMike Smith if ((buf->Pointer = AcpiOsCallocate(buf->Length)) == NULL) 906c5ba0be4SMike Smith return(AE_NO_MEMORY); 907c5ba0be4SMike Smith return(AcpiEvaluateObject(object, pathname, params, buf)); 90815e32d5dSMike Smith } 90915e32d5dSMike Smith 910c5ba0be4SMike Smith /* 911c5ba0be4SMike Smith * Evaluate a path that should return an integer. 912c5ba0be4SMike Smith */ 913c5ba0be4SMike Smith ACPI_STATUS 914c5ba0be4SMike Smith acpi_EvaluateInteger(ACPI_HANDLE handle, char *path, int *number) 915c5ba0be4SMike Smith { 916c5ba0be4SMike Smith ACPI_STATUS error; 917c5ba0be4SMike Smith ACPI_BUFFER buf; 918c5ba0be4SMike Smith ACPI_OBJECT param; 919c5ba0be4SMike Smith 920cb9b0d80SMike Smith ACPI_ASSERTLOCK; 921cb9b0d80SMike Smith 922c5ba0be4SMike Smith if (handle == NULL) 923c5ba0be4SMike Smith handle = ACPI_ROOT_OBJECT; 924c5ba0be4SMike Smith buf.Pointer = ¶m; 925c5ba0be4SMike Smith buf.Length = sizeof(param); 926c5ba0be4SMike Smith if ((error = AcpiEvaluateObject(handle, path, NULL, &buf)) == AE_OK) { 927c5ba0be4SMike Smith if (param.Type == ACPI_TYPE_INTEGER) { 928c5ba0be4SMike Smith *number = param.Integer.Value; 929c5ba0be4SMike Smith } else { 930c5ba0be4SMike Smith error = AE_TYPE; 931c5ba0be4SMike Smith } 932c5ba0be4SMike Smith } 933c5ba0be4SMike Smith return(error); 934c5ba0be4SMike Smith } 935c5ba0be4SMike Smith 936c5ba0be4SMike Smith /* 937c5ba0be4SMike Smith * Iterate over the elements of an a package object, calling the supplied 938c5ba0be4SMike Smith * function for each element. 939c5ba0be4SMike Smith * 940c5ba0be4SMike Smith * XXX possible enhancement might be to abort traversal on error. 941c5ba0be4SMike Smith */ 942c5ba0be4SMike Smith ACPI_STATUS 943c5ba0be4SMike Smith acpi_ForeachPackageObject(ACPI_OBJECT *pkg, void (* func)(ACPI_OBJECT *comp, void *arg), void *arg) 944c5ba0be4SMike Smith { 945c5ba0be4SMike Smith ACPI_OBJECT *comp; 946c5ba0be4SMike Smith int i; 947c5ba0be4SMike Smith 948c5ba0be4SMike Smith if ((pkg == NULL) || (pkg->Type != ACPI_TYPE_PACKAGE)) 949c5ba0be4SMike Smith return(AE_BAD_PARAMETER); 950c5ba0be4SMike Smith 951c5ba0be4SMike Smith /* iterate over components */ 952c5ba0be4SMike Smith for (i = 0, comp = pkg->Package.Elements; i < pkg->Package.Count; i++, comp++) 953c5ba0be4SMike Smith func(comp, arg); 954c5ba0be4SMike Smith 955c5ba0be4SMike Smith return(AE_OK); 956c5ba0be4SMike Smith } 957c5ba0be4SMike Smith 9586f69255bSMike Smith /* 9596f69255bSMike Smith * Find the (index)th resource object in a set. 9606f69255bSMike Smith */ 9616f69255bSMike Smith ACPI_STATUS 9626d63101aSMike Smith acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, ACPI_RESOURCE **resp) 9636f69255bSMike Smith { 9646d63101aSMike Smith ACPI_RESOURCE *rp; 9656f69255bSMike Smith int i; 9666f69255bSMike Smith 9676d63101aSMike Smith rp = (ACPI_RESOURCE *)buf->Pointer; 9686f69255bSMike Smith i = index; 9696d63101aSMike Smith while (i-- > 0) { 9706f69255bSMike Smith /* range check */ 9716d63101aSMike Smith if (rp > (ACPI_RESOURCE *)((u_int8_t *)buf->Pointer + buf->Length)) 9726f69255bSMike Smith return(AE_BAD_PARAMETER); 9736d63101aSMike Smith /* check for terminator */ 9746d63101aSMike Smith if ((rp->Id == ACPI_RSTYPE_END_TAG) || 9756d63101aSMike Smith (rp->Length == 0)) 9766d63101aSMike Smith return(AE_NOT_FOUND); 9776d63101aSMike Smith rp = ACPI_RESOURCE_NEXT(rp); 9786f69255bSMike Smith } 9796f69255bSMike Smith if (resp != NULL) 9806d63101aSMike Smith *resp = rp; 9816d63101aSMike Smith return(AE_OK); 9826d63101aSMike Smith } 9836d63101aSMike Smith 9846d63101aSMike Smith /* 9856d63101aSMike Smith * Append an ACPI_RESOURCE to an ACPI_BUFFER. 9866d63101aSMike Smith * 9876d63101aSMike Smith * Given a pointer to an ACPI_RESOURCE structure, expand the ACPI_BUFFER 9886d63101aSMike Smith * provided to contain it. If the ACPI_BUFFER is empty, allocate a sensible 9896d63101aSMike Smith * backing block. If the ACPI_RESOURCE is NULL, return an empty set of 9906d63101aSMike Smith * resources. 9916d63101aSMike Smith */ 9926d63101aSMike Smith #define ACPI_INITIAL_RESOURCE_BUFFER_SIZE 512 9936d63101aSMike Smith 9946d63101aSMike Smith ACPI_STATUS 9956d63101aSMike Smith acpi_AppendBufferResource(ACPI_BUFFER *buf, ACPI_RESOURCE *res) 9966d63101aSMike Smith { 9976d63101aSMike Smith ACPI_RESOURCE *rp; 9986d63101aSMike Smith void *newp; 9996d63101aSMike Smith 10006d63101aSMike Smith /* 10016d63101aSMike Smith * Initialise the buffer if necessary. 10026d63101aSMike Smith */ 10036d63101aSMike Smith if (buf->Pointer == NULL) { 10046d63101aSMike Smith buf->Length = ACPI_INITIAL_RESOURCE_BUFFER_SIZE; 10056d63101aSMike Smith if ((buf->Pointer = AcpiOsAllocate(buf->Length)) == NULL) 10066d63101aSMike Smith return(AE_NO_MEMORY); 10076d63101aSMike Smith rp = (ACPI_RESOURCE *)buf->Pointer; 10086d63101aSMike Smith rp->Id = ACPI_RSTYPE_END_TAG; 10096d63101aSMike Smith rp->Length = 0; 10106d63101aSMike Smith } 10116d63101aSMike Smith if (res == NULL) 10126d63101aSMike Smith return(AE_OK); 10136d63101aSMike Smith 10146d63101aSMike Smith /* 10156d63101aSMike Smith * Scan the current buffer looking for the terminator. 10166d63101aSMike Smith * This will either find the terminator or hit the end 10176d63101aSMike Smith * of the buffer and return an error. 10186d63101aSMike Smith */ 10196d63101aSMike Smith rp = (ACPI_RESOURCE *)buf->Pointer; 10206d63101aSMike Smith for (;;) { 10216d63101aSMike Smith /* range check, don't go outside the buffer */ 10226d63101aSMike Smith if (rp >= (ACPI_RESOURCE *)((u_int8_t *)buf->Pointer + buf->Length)) 10236d63101aSMike Smith return(AE_BAD_PARAMETER); 10246d63101aSMike Smith if ((rp->Id == ACPI_RSTYPE_END_TAG) || 10256d63101aSMike Smith (rp->Length == 0)) { 10266d63101aSMike Smith break; 10276d63101aSMike Smith } 10286d63101aSMike Smith rp = ACPI_RESOURCE_NEXT(rp); 10296d63101aSMike Smith } 10306d63101aSMike Smith 10316d63101aSMike Smith /* 10326d63101aSMike Smith * Check the size of the buffer and expand if required. 10336d63101aSMike Smith * 10346d63101aSMike Smith * Required size is: 10356d63101aSMike Smith * size of existing resources before terminator + 10366d63101aSMike Smith * size of new resource and header + 10376d63101aSMike Smith * size of terminator. 10386d63101aSMike Smith * 10396d63101aSMike Smith * Note that this loop should really only run once, unless 10406d63101aSMike Smith * for some reason we are stuffing a *really* huge resource. 10416d63101aSMike Smith */ 10426d63101aSMike Smith while ((((u_int8_t *)rp - (u_int8_t *)buf->Pointer) + 10436d63101aSMike Smith res->Length + ACPI_RESOURCE_LENGTH_NO_DATA + 10446d63101aSMike Smith ACPI_RESOURCE_LENGTH) >= buf->Length) { 10456d63101aSMike Smith if ((newp = AcpiOsAllocate(buf->Length * 2)) == NULL) 10466d63101aSMike Smith return(AE_NO_MEMORY); 10476d63101aSMike Smith bcopy(buf->Pointer, newp, buf->Length); 1048a692219dSMike Smith rp = (ACPI_RESOURCE *)((u_int8_t *)newp + 1049a692219dSMike Smith ((u_int8_t *)rp - (u_int8_t *)buf->Pointer)); 10506d63101aSMike Smith AcpiOsFree(buf->Pointer); 10516d63101aSMike Smith buf->Pointer = newp; 10526d63101aSMike Smith buf->Length += buf->Length; 10536d63101aSMike Smith } 10546d63101aSMike Smith 10556d63101aSMike Smith /* 10566d63101aSMike Smith * Insert the new resource. 10576d63101aSMike Smith */ 10586d63101aSMike Smith bcopy(res, rp, res->Length + ACPI_RESOURCE_LENGTH_NO_DATA); 10596d63101aSMike Smith 10606d63101aSMike Smith /* 10616d63101aSMike Smith * And add the terminator. 10626d63101aSMike Smith */ 10636d63101aSMike Smith rp = ACPI_RESOURCE_NEXT(rp); 10646d63101aSMike Smith rp->Id = ACPI_RSTYPE_END_TAG; 10656d63101aSMike Smith rp->Length = 0; 10666d63101aSMike Smith 10676f69255bSMike Smith return(AE_OK); 10686f69255bSMike Smith } 1069c5ba0be4SMike Smith 1070c30382dfSMitsuru IWASAKI static ACPI_STATUS __inline 1071c30382dfSMitsuru IWASAKI acpi_wakeup(UINT8 state) 1072c30382dfSMitsuru IWASAKI { 1073c30382dfSMitsuru IWASAKI ACPI_STATUS Status; 1074c30382dfSMitsuru IWASAKI ACPI_OBJECT_LIST Arg_list; 1075c30382dfSMitsuru IWASAKI ACPI_OBJECT Arg; 1076c30382dfSMitsuru IWASAKI ACPI_OBJECT Objects[3]; /* package plus 2 number objects */ 1077c30382dfSMitsuru IWASAKI ACPI_BUFFER ReturnBuffer; 1078c30382dfSMitsuru IWASAKI 10792a4ac806SMike Smith FUNCTION_TRACE_U32(__func__, state); 1080cb9b0d80SMike Smith ACPI_ASSERTLOCK; 1081c30382dfSMitsuru IWASAKI 1082c30382dfSMitsuru IWASAKI /* 1083c30382dfSMitsuru IWASAKI * Evaluate the _WAK method 1084c30382dfSMitsuru IWASAKI */ 1085cb9b0d80SMike Smith bzero(&Arg_list, sizeof(Arg_list)); 1086c30382dfSMitsuru IWASAKI Arg_list.Count = 1; 1087c30382dfSMitsuru IWASAKI Arg_list.Pointer = &Arg; 1088c30382dfSMitsuru IWASAKI 1089cb9b0d80SMike Smith bzero(&Arg, sizeof(Arg)); 1090c30382dfSMitsuru IWASAKI Arg.Type = ACPI_TYPE_INTEGER; 1091c30382dfSMitsuru IWASAKI Arg.Integer.Value = state; 1092c30382dfSMitsuru IWASAKI 1093cb9b0d80SMike Smith /* 1094cb9b0d80SMike Smith * Set up _WAK result code buffer. 1095cb9b0d80SMike Smith * 1096cb9b0d80SMike Smith * XXX should use acpi_EvaluateIntoBuffer 1097cb9b0d80SMike Smith */ 1098cb9b0d80SMike Smith bzero(Objects, sizeof(Objects)); 1099c30382dfSMitsuru IWASAKI ReturnBuffer.Length = sizeof(Objects); 1100c30382dfSMitsuru IWASAKI ReturnBuffer.Pointer = Objects; 1101c30382dfSMitsuru IWASAKI AcpiEvaluateObject (NULL, "\\_WAK", &Arg_list, &ReturnBuffer); 1102c30382dfSMitsuru IWASAKI 1103c30382dfSMitsuru IWASAKI Status = AE_OK; 1104cb9b0d80SMike Smith 1105c30382dfSMitsuru IWASAKI /* Check result code for _WAK */ 1106c30382dfSMitsuru IWASAKI if (Objects[0].Type != ACPI_TYPE_PACKAGE || 1107c30382dfSMitsuru IWASAKI Objects[1].Type != ACPI_TYPE_INTEGER || 1108c30382dfSMitsuru IWASAKI Objects[2].Type != ACPI_TYPE_INTEGER) { 1109c30382dfSMitsuru IWASAKI /* 1110c30382dfSMitsuru IWASAKI * In many BIOSes, _WAK doesn't return a result code. 1111c30382dfSMitsuru IWASAKI * We don't need to worry about it too much :-). 1112c30382dfSMitsuru IWASAKI */ 11134c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_INFO, 11144c1cdee6SMike Smith "acpi_wakeup: _WAK result code is corrupted, " 1115c30382dfSMitsuru IWASAKI "but should be OK.\n")); 1116c30382dfSMitsuru IWASAKI } else { 1117c30382dfSMitsuru IWASAKI /* evaluate status code */ 1118c30382dfSMitsuru IWASAKI switch (Objects[1].Integer.Value) { 1119c30382dfSMitsuru IWASAKI case 0x00000001: 11204c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 11214c1cdee6SMike Smith "acpi_wakeup: Wake was signaled " 1122c30382dfSMitsuru IWASAKI "but failed due to lack of power.\n")); 1123c30382dfSMitsuru IWASAKI Status = AE_ERROR; 1124c30382dfSMitsuru IWASAKI break; 1125c30382dfSMitsuru IWASAKI 1126c30382dfSMitsuru IWASAKI case 0x00000002: 11274c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 11284c1cdee6SMike Smith "acpi_wakeup: Wake was signaled " 1129c30382dfSMitsuru IWASAKI "but failed due to thermal condition.\n")); 1130c30382dfSMitsuru IWASAKI Status = AE_ERROR; 1131c30382dfSMitsuru IWASAKI break; 1132c30382dfSMitsuru IWASAKI } 1133c30382dfSMitsuru IWASAKI /* evaluate PSS code */ 1134c30382dfSMitsuru IWASAKI if (Objects[2].Integer.Value == 0) { 11354c1cdee6SMike Smith ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 11364c1cdee6SMike Smith "acpi_wakeup: The targeted S-state " 1137c30382dfSMitsuru IWASAKI "was not entered because of too much current " 1138c30382dfSMitsuru IWASAKI "being drawn from the power supply.\n")); 1139c30382dfSMitsuru IWASAKI Status = AE_ERROR; 1140c30382dfSMitsuru IWASAKI } 1141c30382dfSMitsuru IWASAKI } 1142c30382dfSMitsuru IWASAKI return_ACPI_STATUS(Status); 1143c30382dfSMitsuru IWASAKI } 1144c30382dfSMitsuru IWASAKI 114515e32d5dSMike Smith /* 114615e32d5dSMike Smith * Set the system sleep state 114715e32d5dSMike Smith * 114815e32d5dSMike Smith * Currently we only support S1 and S5 114915e32d5dSMike Smith */ 115015e32d5dSMike Smith ACPI_STATUS 115115e32d5dSMike Smith acpi_SetSleepState(struct acpi_softc *sc, int state) 115215e32d5dSMike Smith { 115315e32d5dSMike Smith ACPI_STATUS status = AE_OK; 11546161544cSTakanori Watanabe UINT16 Count; 115556d8cb57SMitsuru IWASAKI UINT8 TypeA; 115656d8cb57SMitsuru IWASAKI UINT8 TypeB; 115715e32d5dSMike Smith 11582a4ac806SMike Smith FUNCTION_TRACE_U32(__func__, state); 1159cb9b0d80SMike Smith ACPI_ASSERTLOCK; 11600ae55423SMike Smith 116115e32d5dSMike Smith switch (state) { 116215e32d5dSMike Smith case ACPI_STATE_S0: /* XXX only for testing */ 116391467fc6SMike Smith status = AcpiEnterSleepState((UINT8)state); 116415e32d5dSMike Smith if (status != AE_OK) { 1165bfae45aaSMike Smith device_printf(sc->acpi_dev, "AcpiEnterSleepState failed - %s\n", AcpiFormatException(status)); 116615e32d5dSMike Smith } 116715e32d5dSMike Smith break; 116815e32d5dSMike Smith 116915e32d5dSMike Smith case ACPI_STATE_S1: 11706161544cSTakanori Watanabe case ACPI_STATE_S2: 11716161544cSTakanori Watanabe case ACPI_STATE_S3: 11726161544cSTakanori Watanabe case ACPI_STATE_S4: 117356d8cb57SMitsuru IWASAKI status = AcpiHwObtainSleepTypeRegisterData((UINT8)state, &TypeA, &TypeB); 117456d8cb57SMitsuru IWASAKI if (status != AE_OK) { 117556d8cb57SMitsuru IWASAKI device_printf(sc->acpi_dev, "AcpiHwObtainSleepTypeRegisterData failed - %s\n", AcpiFormatException(status)); 117656d8cb57SMitsuru IWASAKI break; 117756d8cb57SMitsuru IWASAKI } 117856d8cb57SMitsuru IWASAKI 117915e32d5dSMike Smith /* 118015e32d5dSMike Smith * Inform all devices that we are going to sleep. 118115e32d5dSMike Smith */ 118215e32d5dSMike Smith if (DEVICE_SUSPEND(root_bus) != 0) { 118315e32d5dSMike Smith /* 118415e32d5dSMike Smith * Re-wake the system. 118515e32d5dSMike Smith * 118615e32d5dSMike Smith * XXX note that a better two-pass approach with a 'veto' pass 118715e32d5dSMike Smith * followed by a "real thing" pass would be better, but the 118815e32d5dSMike Smith * current bus interface does not provide for this. 118915e32d5dSMike Smith */ 119015e32d5dSMike Smith DEVICE_RESUME(root_bus); 11910ae55423SMike Smith return_ACPI_STATUS(AE_ERROR); 119215e32d5dSMike Smith } 119315e32d5dSMike Smith sc->acpi_sstate = state; 11946161544cSTakanori Watanabe 11956161544cSTakanori Watanabe if (state != ACPI_STATE_S1) { 11966161544cSTakanori Watanabe acpi_sleep_machdep(sc, state); 11976161544cSTakanori Watanabe 11986161544cSTakanori Watanabe /* AcpiEnterSleepState() maybe incompleted, unlock here. */ 11996161544cSTakanori Watanabe AcpiUtReleaseMutex(ACPI_MTX_HARDWARE); 12006161544cSTakanori Watanabe 12016161544cSTakanori Watanabe /* Re-enable ACPI hardware on wakeup from sleep state 4. */ 12026161544cSTakanori Watanabe if (state >= ACPI_STATE_S4) { 12036161544cSTakanori Watanabe acpi_Disable(sc); 12046161544cSTakanori Watanabe acpi_Enable(sc); 12056161544cSTakanori Watanabe } 12066161544cSTakanori Watanabe } else { 120791467fc6SMike Smith status = AcpiEnterSleepState((UINT8)state); 120815e32d5dSMike Smith if (status != AE_OK) { 1209bfae45aaSMike Smith device_printf(sc->acpi_dev, "AcpiEnterSleepState failed - %s\n", AcpiFormatException(status)); 1210c30382dfSMitsuru IWASAKI break; 121115e32d5dSMike Smith } 12126161544cSTakanori Watanabe /* wait for the WAK_STS bit */ 12136161544cSTakanori Watanabe Count = 0; 12146161544cSTakanori Watanabe while (!(AcpiHwRegisterBitAccess(ACPI_READ, ACPI_MTX_LOCK, WAK_STS))) { 1215acf72ef4SMike Smith AcpiOsSleep(0, 1); 12166161544cSTakanori Watanabe /* 12176161544cSTakanori Watanabe * Some BIOSes don't set WAK_STS at all, 12186161544cSTakanori Watanabe * give up waiting for wakeup if we time out. 12196161544cSTakanori Watanabe */ 12206161544cSTakanori Watanabe if (Count > 1000) { 12216161544cSTakanori Watanabe break; /* giving up */ 12226161544cSTakanori Watanabe } 12236161544cSTakanori Watanabe Count++; 12246161544cSTakanori Watanabe } 12256161544cSTakanori Watanabe } 1226c30382dfSMitsuru IWASAKI acpi_wakeup((UINT8)state); 122715e32d5dSMike Smith DEVICE_RESUME(root_bus); 122815e32d5dSMike Smith sc->acpi_sstate = ACPI_STATE_S0; 122913d4f7baSMitsuru IWASAKI acpi_enable_fixed_events(sc); 123015e32d5dSMike Smith break; 123115e32d5dSMike Smith 123215e32d5dSMike Smith case ACPI_STATE_S5: 123315e32d5dSMike Smith /* 123415e32d5dSMike Smith * Shut down cleanly and power off. This will call us back through the 123515e32d5dSMike Smith * shutdown handlers. 123615e32d5dSMike Smith */ 123715e32d5dSMike Smith shutdown_nice(RB_POWEROFF); 123815e32d5dSMike Smith break; 123915e32d5dSMike Smith 124015e32d5dSMike Smith default: 124115e32d5dSMike Smith status = AE_BAD_PARAMETER; 124215e32d5dSMike Smith break; 124315e32d5dSMike Smith } 12440ae55423SMike Smith return_ACPI_STATUS(status); 124515e32d5dSMike Smith } 124615e32d5dSMike Smith 124715e32d5dSMike Smith /* 124815e32d5dSMike Smith * Enable/Disable ACPI 124915e32d5dSMike Smith */ 125015e32d5dSMike Smith ACPI_STATUS 125115e32d5dSMike Smith acpi_Enable(struct acpi_softc *sc) 125215e32d5dSMike Smith { 125315e32d5dSMike Smith ACPI_STATUS status; 125415e32d5dSMike Smith u_int32_t flags; 125515e32d5dSMike Smith 12562a4ac806SMike Smith FUNCTION_TRACE(__func__); 1257cb9b0d80SMike Smith ACPI_ASSERTLOCK; 12580ae55423SMike Smith 125915e32d5dSMike Smith flags = ACPI_NO_ADDRESS_SPACE_INIT | ACPI_NO_HARDWARE_INIT | 126015e32d5dSMike Smith ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT; 126115e32d5dSMike Smith if (!sc->acpi_enabled) { 126215e32d5dSMike Smith status = AcpiEnableSubsystem(flags); 126315e32d5dSMike Smith } else { 126415e32d5dSMike Smith status = AE_OK; 126515e32d5dSMike Smith } 126615e32d5dSMike Smith if (status == AE_OK) 126715e32d5dSMike Smith sc->acpi_enabled = 1; 12680ae55423SMike Smith return_ACPI_STATUS(status); 126915e32d5dSMike Smith } 127015e32d5dSMike Smith 127115e32d5dSMike Smith ACPI_STATUS 127215e32d5dSMike Smith acpi_Disable(struct acpi_softc *sc) 127315e32d5dSMike Smith { 127415e32d5dSMike Smith ACPI_STATUS status; 127515e32d5dSMike Smith 12762a4ac806SMike Smith FUNCTION_TRACE(__func__); 1277cb9b0d80SMike Smith ACPI_ASSERTLOCK; 12780ae55423SMike Smith 127915e32d5dSMike Smith if (sc->acpi_enabled) { 128015e32d5dSMike Smith status = AcpiDisable(); 128115e32d5dSMike Smith } else { 128215e32d5dSMike Smith status = AE_OK; 128315e32d5dSMike Smith } 128415e32d5dSMike Smith if (status == AE_OK) 128515e32d5dSMike Smith sc->acpi_enabled = 0; 12860ae55423SMike Smith return_ACPI_STATUS(status); 128715e32d5dSMike Smith } 128815e32d5dSMike Smith 128915e32d5dSMike Smith /* 129015e32d5dSMike Smith * ACPI Event Handlers 129115e32d5dSMike Smith */ 129215e32d5dSMike Smith 129315e32d5dSMike Smith /* System Event Handlers (registered by EVENTHANDLER_REGISTER) */ 129415e32d5dSMike Smith 129515e32d5dSMike Smith static void 129615e32d5dSMike Smith acpi_system_eventhandler_sleep(void *arg, int state) 129715e32d5dSMike Smith { 12982a4ac806SMike Smith FUNCTION_TRACE_U32(__func__, state); 129915e32d5dSMike Smith 1300cb9b0d80SMike Smith ACPI_LOCK; 1301a5d1879bSMitsuru IWASAKI if (state >= ACPI_STATE_S0 && state <= ACPI_S_STATES_MAX) 130215e32d5dSMike Smith acpi_SetSleepState((struct acpi_softc *)arg, state); 1303cb9b0d80SMike Smith ACPI_UNLOCK; 13040ae55423SMike Smith return_VOID; 130515e32d5dSMike Smith } 130615e32d5dSMike Smith 130715e32d5dSMike Smith static void 130815e32d5dSMike Smith acpi_system_eventhandler_wakeup(void *arg, int state) 130915e32d5dSMike Smith { 13102a4ac806SMike Smith FUNCTION_TRACE_U32(__func__, state); 13110ae55423SMike Smith 131215e32d5dSMike Smith /* Well, what to do? :-) */ 13130ae55423SMike Smith 1314cb9b0d80SMike Smith ACPI_LOCK; 1315cb9b0d80SMike Smith ACPI_UNLOCK; 1316cb9b0d80SMike Smith 13170ae55423SMike Smith return_VOID; 131815e32d5dSMike Smith } 131915e32d5dSMike Smith 132015e32d5dSMike Smith /* 132115e32d5dSMike Smith * ACPICA Event Handlers (FixedEvent, also called from button notify handler) 132215e32d5dSMike Smith */ 132315e32d5dSMike Smith UINT32 132415e32d5dSMike Smith acpi_eventhandler_power_button_for_sleep(void *context) 132515e32d5dSMike Smith { 132615e32d5dSMike Smith struct acpi_softc *sc = (struct acpi_softc *)context; 132715e32d5dSMike Smith 13282a4ac806SMike Smith FUNCTION_TRACE(__func__); 13290ae55423SMike Smith 133015e32d5dSMike Smith EVENTHANDLER_INVOKE(acpi_sleep_event, sc->acpi_power_button_sx); 13310ae55423SMike Smith 13320ae55423SMike Smith return_VALUE(INTERRUPT_HANDLED); 133315e32d5dSMike Smith } 133415e32d5dSMike Smith 133515e32d5dSMike Smith UINT32 133615e32d5dSMike Smith acpi_eventhandler_power_button_for_wakeup(void *context) 133715e32d5dSMike Smith { 133815e32d5dSMike Smith struct acpi_softc *sc = (struct acpi_softc *)context; 133915e32d5dSMike Smith 13402a4ac806SMike Smith FUNCTION_TRACE(__func__); 13410ae55423SMike Smith 134215e32d5dSMike Smith EVENTHANDLER_INVOKE(acpi_wakeup_event, sc->acpi_power_button_sx); 13430ae55423SMike Smith 13440ae55423SMike Smith return_VALUE(INTERRUPT_HANDLED); 134515e32d5dSMike Smith } 134615e32d5dSMike Smith 134715e32d5dSMike Smith UINT32 134815e32d5dSMike Smith acpi_eventhandler_sleep_button_for_sleep(void *context) 134915e32d5dSMike Smith { 135015e32d5dSMike Smith struct acpi_softc *sc = (struct acpi_softc *)context; 135115e32d5dSMike Smith 13522a4ac806SMike Smith FUNCTION_TRACE(__func__); 13530ae55423SMike Smith 135415e32d5dSMike Smith EVENTHANDLER_INVOKE(acpi_sleep_event, sc->acpi_sleep_button_sx); 13550ae55423SMike Smith 13560ae55423SMike Smith return_VALUE(INTERRUPT_HANDLED); 135715e32d5dSMike Smith } 135815e32d5dSMike Smith 135915e32d5dSMike Smith UINT32 136015e32d5dSMike Smith acpi_eventhandler_sleep_button_for_wakeup(void *context) 136115e32d5dSMike Smith { 136215e32d5dSMike Smith struct acpi_softc *sc = (struct acpi_softc *)context; 136315e32d5dSMike Smith 13642a4ac806SMike Smith FUNCTION_TRACE(__func__); 13650ae55423SMike Smith 136615e32d5dSMike Smith EVENTHANDLER_INVOKE(acpi_wakeup_event, sc->acpi_sleep_button_sx); 13670ae55423SMike Smith 13680ae55423SMike Smith return_VALUE(INTERRUPT_HANDLED); 136915e32d5dSMike Smith } 137015e32d5dSMike Smith 137115e32d5dSMike Smith /* 137215e32d5dSMike Smith * XXX This is kinda ugly, and should not be here. 137315e32d5dSMike Smith */ 137415e32d5dSMike Smith struct acpi_staticbuf { 137515e32d5dSMike Smith ACPI_BUFFER buffer; 137615e32d5dSMike Smith char data[512]; 137715e32d5dSMike Smith }; 137815e32d5dSMike Smith 137915e32d5dSMike Smith char * 138015e32d5dSMike Smith acpi_name(ACPI_HANDLE handle) 138115e32d5dSMike Smith { 138215e32d5dSMike Smith static struct acpi_staticbuf buf; 138315e32d5dSMike Smith 1384cb9b0d80SMike Smith ACPI_ASSERTLOCK; 1385cb9b0d80SMike Smith 138615e32d5dSMike Smith buf.buffer.Length = 512; 138715e32d5dSMike Smith buf.buffer.Pointer = &buf.data[0]; 138815e32d5dSMike Smith 138915e32d5dSMike Smith if (AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf.buffer) == AE_OK) 139015e32d5dSMike Smith return(buf.buffer.Pointer); 139115e32d5dSMike Smith return("(unknown path)"); 139215e32d5dSMike Smith } 139315e32d5dSMike Smith 139415e32d5dSMike Smith /* 139515e32d5dSMike Smith * Debugging/bug-avoidance. Avoid trying to fetch info on various 139615e32d5dSMike Smith * parts of the namespace. 139715e32d5dSMike Smith */ 139815e32d5dSMike Smith int 139915e32d5dSMike Smith acpi_avoid(ACPI_HANDLE handle) 140015e32d5dSMike Smith { 140115e32d5dSMike Smith char *cp, *np; 140215e32d5dSMike Smith int len; 140315e32d5dSMike Smith 140415e32d5dSMike Smith np = acpi_name(handle); 140515e32d5dSMike Smith if (*np == '\\') 140615e32d5dSMike Smith np++; 140715e32d5dSMike Smith if ((cp = getenv("debug.acpi.avoid")) == NULL) 140815e32d5dSMike Smith return(0); 140915e32d5dSMike Smith 141015e32d5dSMike Smith /* scan the avoid list checking for a match */ 141115e32d5dSMike Smith for (;;) { 141215e32d5dSMike Smith while ((*cp != 0) && isspace(*cp)) 141315e32d5dSMike Smith cp++; 141415e32d5dSMike Smith if (*cp == 0) 141515e32d5dSMike Smith break; 141615e32d5dSMike Smith len = 0; 141715e32d5dSMike Smith while ((cp[len] != 0) && !isspace(cp[len])) 141815e32d5dSMike Smith len++; 14194c1cdee6SMike Smith if (!strncmp(cp, np, len)) 14200ae55423SMike Smith return(1); 14210ae55423SMike Smith cp += len; 14220ae55423SMike Smith } 14230ae55423SMike Smith return(0); 14240ae55423SMike Smith } 14250ae55423SMike Smith 14260ae55423SMike Smith /* 14270ae55423SMike Smith * Debugging/bug-avoidance. Disable ACPI subsystem components. 14280ae55423SMike Smith */ 14290ae55423SMike Smith int 14300ae55423SMike Smith acpi_disabled(char *subsys) 14310ae55423SMike Smith { 14320ae55423SMike Smith char *cp; 14330ae55423SMike Smith int len; 14340ae55423SMike Smith 14350ae55423SMike Smith if ((cp = getenv("debug.acpi.disable")) == NULL) 14360ae55423SMike Smith return(0); 14370ae55423SMike Smith if (!strcmp(cp, "all")) 14380ae55423SMike Smith return(1); 14390ae55423SMike Smith 14400ae55423SMike Smith /* scan the disable list checking for a match */ 14410ae55423SMike Smith for (;;) { 14420ae55423SMike Smith while ((*cp != 0) && isspace(*cp)) 14430ae55423SMike Smith cp++; 14440ae55423SMike Smith if (*cp == 0) 14450ae55423SMike Smith break; 14460ae55423SMike Smith len = 0; 14470ae55423SMike Smith while ((cp[len] != 0) && !isspace(cp[len])) 14480ae55423SMike Smith len++; 14494c1cdee6SMike Smith if (!strncmp(cp, subsys, len)) 145015e32d5dSMike Smith return(1); 145115e32d5dSMike Smith cp += len; 145215e32d5dSMike Smith } 145315e32d5dSMike Smith return(0); 145415e32d5dSMike Smith } 145515e32d5dSMike Smith 145615e32d5dSMike Smith /* 145715e32d5dSMike Smith * Control interface. 145815e32d5dSMike Smith * 14590ae55423SMike Smith * We multiplex ioctls for all participating ACPI devices here. Individual 14600ae55423SMike Smith * drivers wanting to be accessible via /dev/acpi should use the register/deregister 14610ae55423SMike Smith * interface to make their handlers visible. 146215e32d5dSMike Smith */ 14630ae55423SMike Smith struct acpi_ioctl_hook 14640ae55423SMike Smith { 14650ae55423SMike Smith TAILQ_ENTRY(acpi_ioctl_hook) link; 14660ae55423SMike Smith u_long cmd; 14670ae55423SMike Smith int (* fn)(u_long cmd, caddr_t addr, void *arg); 14680ae55423SMike Smith void *arg; 14690ae55423SMike Smith }; 14700ae55423SMike Smith 14710ae55423SMike Smith static TAILQ_HEAD(,acpi_ioctl_hook) acpi_ioctl_hooks; 14720ae55423SMike Smith static int acpi_ioctl_hooks_initted; 14730ae55423SMike Smith 14740ae55423SMike Smith /* 14750ae55423SMike Smith * Register an ioctl handler. 14760ae55423SMike Smith */ 14770ae55423SMike Smith int 14780ae55423SMike Smith acpi_register_ioctl(u_long cmd, int (* fn)(u_long cmd, caddr_t addr, void *arg), void *arg) 14790ae55423SMike Smith { 14800ae55423SMike Smith struct acpi_ioctl_hook *hp; 14810ae55423SMike Smith 14820ae55423SMike Smith if ((hp = malloc(sizeof(*hp), M_ACPIDEV, M_NOWAIT)) == NULL) 14830ae55423SMike Smith return(ENOMEM); 14840ae55423SMike Smith hp->cmd = cmd; 14850ae55423SMike Smith hp->fn = fn; 14860ae55423SMike Smith hp->arg = arg; 14870ae55423SMike Smith if (acpi_ioctl_hooks_initted == 0) { 14880ae55423SMike Smith TAILQ_INIT(&acpi_ioctl_hooks); 14890ae55423SMike Smith acpi_ioctl_hooks_initted = 1; 14900ae55423SMike Smith } 14910ae55423SMike Smith TAILQ_INSERT_TAIL(&acpi_ioctl_hooks, hp, link); 14920ae55423SMike Smith return(0); 14930ae55423SMike Smith } 14940ae55423SMike Smith 14950ae55423SMike Smith /* 14960ae55423SMike Smith * Deregister an ioctl handler. 14970ae55423SMike Smith */ 14980ae55423SMike Smith void 14990ae55423SMike Smith acpi_deregister_ioctl(u_long cmd, int (* fn)(u_long cmd, caddr_t addr, void *arg)) 15000ae55423SMike Smith { 15010ae55423SMike Smith struct acpi_ioctl_hook *hp; 15020ae55423SMike Smith 15030ae55423SMike Smith TAILQ_FOREACH(hp, &acpi_ioctl_hooks, link) 15040ae55423SMike Smith if ((hp->cmd == cmd) && (hp->fn == fn)) 15050ae55423SMike Smith break; 15060ae55423SMike Smith 15070ae55423SMike Smith if (hp != NULL) { 15080ae55423SMike Smith TAILQ_REMOVE(&acpi_ioctl_hooks, hp, link); 15090ae55423SMike Smith free(hp, M_ACPIDEV); 15100ae55423SMike Smith } 15110ae55423SMike Smith } 15120ae55423SMike Smith 151315e32d5dSMike Smith static int 151415e32d5dSMike Smith acpiopen(dev_t dev, int flag, int fmt, struct proc *p) 151515e32d5dSMike Smith { 151615e32d5dSMike Smith return(0); 151715e32d5dSMike Smith } 151815e32d5dSMike Smith 151915e32d5dSMike Smith static int 152015e32d5dSMike Smith acpiclose(dev_t dev, int flag, int fmt, struct proc *p) 152115e32d5dSMike Smith { 152215e32d5dSMike Smith return(0); 152315e32d5dSMike Smith } 152415e32d5dSMike Smith 152515e32d5dSMike Smith static int 152615e32d5dSMike Smith acpiioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 152715e32d5dSMike Smith { 152815e32d5dSMike Smith struct acpi_softc *sc; 15290ae55423SMike Smith struct acpi_ioctl_hook *hp; 15300ae55423SMike Smith int error, xerror, state; 153115e32d5dSMike Smith 1532cb9b0d80SMike Smith ACPI_LOCK; 1533cb9b0d80SMike Smith 153415e32d5dSMike Smith error = state = 0; 153515e32d5dSMike Smith sc = dev->si_drv1; 153615e32d5dSMike Smith 15370ae55423SMike Smith /* 15380ae55423SMike Smith * Scan the list of registered ioctls, looking for handlers. 15390ae55423SMike Smith */ 15400ae55423SMike Smith if (acpi_ioctl_hooks_initted) { 15410ae55423SMike Smith TAILQ_FOREACH(hp, &acpi_ioctl_hooks, link) { 15420ae55423SMike Smith if (hp->cmd == cmd) { 15430ae55423SMike Smith xerror = hp->fn(cmd, addr, hp->arg); 15440ae55423SMike Smith if (xerror != 0) 15450ae55423SMike Smith error = xerror; 1546917d44c8SMitsuru IWASAKI goto out; 15470ae55423SMike Smith } 15480ae55423SMike Smith } 15490ae55423SMike Smith } 15500ae55423SMike Smith 15510ae55423SMike Smith /* 15520ae55423SMike Smith * Core system ioctls. 15530ae55423SMike Smith */ 155415e32d5dSMike Smith switch (cmd) { 155515e32d5dSMike Smith case ACPIIO_ENABLE: 15560ae55423SMike Smith if (ACPI_FAILURE(acpi_Enable(sc))) 155715e32d5dSMike Smith error = ENXIO; 155815e32d5dSMike Smith break; 155915e32d5dSMike Smith 156015e32d5dSMike Smith case ACPIIO_DISABLE: 15610ae55423SMike Smith if (ACPI_FAILURE(acpi_Disable(sc))) 156215e32d5dSMike Smith error = ENXIO; 156315e32d5dSMike Smith break; 156415e32d5dSMike Smith 156515e32d5dSMike Smith case ACPIIO_SETSLPSTATE: 156615e32d5dSMike Smith if (!sc->acpi_enabled) { 156715e32d5dSMike Smith error = ENXIO; 156815e32d5dSMike Smith break; 156915e32d5dSMike Smith } 157015e32d5dSMike Smith state = *(int *)addr; 1571a5d1879bSMitsuru IWASAKI if (state >= ACPI_STATE_S0 && state <= ACPI_S_STATES_MAX) { 157215e32d5dSMike Smith acpi_SetSleepState(sc, state); 157315e32d5dSMike Smith } else { 157415e32d5dSMike Smith error = EINVAL; 157515e32d5dSMike Smith } 157615e32d5dSMike Smith break; 157715e32d5dSMike Smith 157815e32d5dSMike Smith default: 15790ae55423SMike Smith if (error == 0) 158015e32d5dSMike Smith error = EINVAL; 158115e32d5dSMike Smith break; 158215e32d5dSMike Smith } 1583917d44c8SMitsuru IWASAKI 1584917d44c8SMitsuru IWASAKI out: 1585cb9b0d80SMike Smith ACPI_UNLOCK; 158615e32d5dSMike Smith return(error); 158715e32d5dSMike Smith } 158815e32d5dSMike Smith 15891d073b1dSJohn Baldwin static int 15901d073b1dSJohn Baldwin acpi_sleep_state_sysctl(SYSCTL_HANDLER_ARGS) 15911d073b1dSJohn Baldwin { 15921d073b1dSJohn Baldwin char sleep_state[10]; 15931d073b1dSJohn Baldwin int error; 15941d073b1dSJohn Baldwin u_int new_state, old_state; 15951d073b1dSJohn Baldwin 15961d073b1dSJohn Baldwin old_state = *(u_int *)oidp->oid_arg1; 1597cb9b0d80SMike Smith if (old_state > ACPI_S_STATES_MAX) { 15981d073b1dSJohn Baldwin strcpy(sleep_state, "unknown"); 1599cb9b0d80SMike Smith } else { 16001d073b1dSJohn Baldwin strncpy(sleep_state, sleep_state_names[old_state], 16011d073b1dSJohn Baldwin sizeof(sleep_state_names[old_state])); 1602cb9b0d80SMike Smith } 16031d073b1dSJohn Baldwin error = sysctl_handle_string(oidp, sleep_state, sizeof(sleep_state), req); 16041d073b1dSJohn Baldwin if (error == 0 && req->newptr != NULL) { 1605cb9b0d80SMike Smith for (new_state = ACPI_STATE_S0; new_state <= ACPI_S_STATES_MAX; new_state++) { 16061d073b1dSJohn Baldwin if (strncmp(sleep_state, sleep_state_names[new_state], 16071d073b1dSJohn Baldwin sizeof(sleep_state)) == 0) 16081d073b1dSJohn Baldwin break; 1609cb9b0d80SMike Smith } 1610cb9b0d80SMike Smith if ((new_state != old_state) && (new_state <= ACPI_S_STATES_MAX)) { 16111d073b1dSJohn Baldwin *(u_int *)oidp->oid_arg1 = new_state; 1612cb9b0d80SMike Smith } else { 16131d073b1dSJohn Baldwin error = EINVAL; 16141d073b1dSJohn Baldwin } 1615cb9b0d80SMike Smith } 16161d073b1dSJohn Baldwin return(error); 16171d073b1dSJohn Baldwin } 16181d073b1dSJohn Baldwin 161915e32d5dSMike Smith #ifdef ACPI_DEBUG 16200ae55423SMike Smith /* 16210ae55423SMike Smith * Support for parsing debug options from the kernel environment. 16220ae55423SMike Smith * 16230ae55423SMike Smith * Bits may be set in the AcpiDbgLayer and AcpiDbgLevel debug registers 16240ae55423SMike Smith * by specifying the names of the bits in the debug.acpi.layer and 16250ae55423SMike Smith * debug.acpi.level environment variables. Bits may be unset by 16260ae55423SMike Smith * prefixing the bit name with !. 16270ae55423SMike Smith */ 162815e32d5dSMike Smith struct debugtag 162915e32d5dSMike Smith { 163015e32d5dSMike Smith char *name; 163115e32d5dSMike Smith UINT32 value; 163215e32d5dSMike Smith }; 163315e32d5dSMike Smith 163415e32d5dSMike Smith static struct debugtag dbg_layer[] = { 1635c5ba0be4SMike Smith {"ACPI_UTILITIES", ACPI_UTILITIES}, 1636c5ba0be4SMike Smith {"ACPI_HARDWARE", ACPI_HARDWARE}, 1637c5ba0be4SMike Smith {"ACPI_EVENTS", ACPI_EVENTS}, 1638c5ba0be4SMike Smith {"ACPI_TABLES", ACPI_TABLES}, 1639c5ba0be4SMike Smith {"ACPI_NAMESPACE", ACPI_NAMESPACE}, 1640c5ba0be4SMike Smith {"ACPI_PARSER", ACPI_PARSER}, 1641c5ba0be4SMike Smith {"ACPI_DISPATCHER", ACPI_DISPATCHER}, 1642c5ba0be4SMike Smith {"ACPI_EXECUTER", ACPI_EXECUTER}, 1643c5ba0be4SMike Smith {"ACPI_RESOURCES", ACPI_RESOURCES}, 16444c1cdee6SMike Smith {"ACPI_DEBUGGER", ACPI_DEBUGGER}, 16454c1cdee6SMike Smith {"ACPI_OS_SERVICES", ACPI_OS_SERVICES}, 16464c1cdee6SMike Smith 1647cb9b0d80SMike Smith {"ACPI_BUS", ACPI_BUS}, 16484c1cdee6SMike Smith {"ACPI_SYSTEM", ACPI_SYSTEM}, 1649cb9b0d80SMike Smith {"ACPI_POWER", ACPI_POWER}, 1650cb9b0d80SMike Smith {"ACPI_EC", ACPI_EC}, 1651c5ba0be4SMike Smith {"ACPI_AC_ADAPTER", ACPI_AC_ADAPTER}, 1652c5ba0be4SMike Smith {"ACPI_BATTERY", ACPI_BATTERY}, 1653c5ba0be4SMike Smith {"ACPI_BUTTON", ACPI_BUTTON}, 16544c1cdee6SMike Smith {"ACPI_PROCESSOR", ACPI_PROCESSOR}, 1655cb9b0d80SMike Smith {"ACPI_THERMAL", ACPI_THERMAL}, 16564c1cdee6SMike Smith {"ACPI_FAN", ACPI_FAN}, 16574c1cdee6SMike Smith 1658c5ba0be4SMike Smith {"ACPI_ALL_COMPONENTS", ACPI_ALL_COMPONENTS}, 165915e32d5dSMike Smith {NULL, 0} 166015e32d5dSMike Smith }; 166115e32d5dSMike Smith 166215e32d5dSMike Smith static struct debugtag dbg_level[] = { 16634c1cdee6SMike Smith {"ACPI_LV_OK", ACPI_LV_OK}, 16644c1cdee6SMike Smith {"ACPI_LV_INFO", ACPI_LV_INFO}, 16654c1cdee6SMike Smith {"ACPI_LV_WARN", ACPI_LV_WARN}, 16664c1cdee6SMike Smith {"ACPI_LV_ERROR", ACPI_LV_ERROR}, 16674c1cdee6SMike Smith {"ACPI_LV_FATAL", ACPI_LV_FATAL}, 16684c1cdee6SMike Smith {"ACPI_LV_DEBUG_OBJECT", ACPI_LV_DEBUG_OBJECT}, 16694c1cdee6SMike Smith {"ACPI_LV_ALL_EXCEPTIONS", ACPI_LV_ALL_EXCEPTIONS}, 16704c1cdee6SMike Smith {"ACPI_LV_THREADS", ACPI_LV_THREADS}, 16714c1cdee6SMike Smith {"ACPI_LV_PARSE", ACPI_LV_PARSE}, 16724c1cdee6SMike Smith {"ACPI_LV_DISPATCH", ACPI_LV_DISPATCH}, 16734c1cdee6SMike Smith {"ACPI_LV_LOAD", ACPI_LV_LOAD}, 16744c1cdee6SMike Smith {"ACPI_LV_EXEC", ACPI_LV_EXEC}, 16754c1cdee6SMike Smith {"ACPI_LV_NAMES", ACPI_LV_NAMES}, 16764c1cdee6SMike Smith {"ACPI_LV_OPREGION", ACPI_LV_OPREGION}, 16774c1cdee6SMike Smith {"ACPI_LV_BFIELD", ACPI_LV_BFIELD}, 16784c1cdee6SMike Smith {"ACPI_LV_TRASH", ACPI_LV_TRASH}, 16794c1cdee6SMike Smith {"ACPI_LV_TABLES", ACPI_LV_TABLES}, 16804c1cdee6SMike Smith {"ACPI_LV_FUNCTIONS", ACPI_LV_FUNCTIONS}, 16814c1cdee6SMike Smith {"ACPI_LV_VALUES", ACPI_LV_VALUES}, 16824c1cdee6SMike Smith {"ACPI_LV_OBJECTS", ACPI_LV_OBJECTS}, 16834c1cdee6SMike Smith {"ACPI_LV_ALLOCATIONS", ACPI_LV_ALLOCATIONS}, 16844c1cdee6SMike Smith {"ACPI_LV_RESOURCES", ACPI_LV_RESOURCES}, 16854c1cdee6SMike Smith {"ACPI_LV_IO", ACPI_LV_IO}, 16864c1cdee6SMike Smith {"ACPI_LV_INTERRUPTS", ACPI_LV_INTERRUPTS}, 16874c1cdee6SMike Smith {"ACPI_LV_USER_REQUESTS", ACPI_LV_USER_REQUESTS}, 16884c1cdee6SMike Smith {"ACPI_LV_PACKAGE", ACPI_LV_PACKAGE}, 16894c1cdee6SMike Smith {"ACPI_LV_MUTEX", ACPI_LV_MUTEX}, 16904c1cdee6SMike Smith {"ACPI_LV_INIT", ACPI_LV_INIT}, 16914c1cdee6SMike Smith {"ACPI_LV_ALL", ACPI_LV_ALL}, 16924c1cdee6SMike Smith {"ACPI_DB_AML_DISASSEMBLE", ACPI_DB_AML_DISASSEMBLE}, 16934c1cdee6SMike Smith {"ACPI_DB_VERBOSE_INFO", ACPI_DB_VERBOSE_INFO}, 16944c1cdee6SMike Smith {"ACPI_DB_FULL_TABLES", ACPI_DB_FULL_TABLES}, 16954c1cdee6SMike Smith {"ACPI_DB_EVENTS", ACPI_DB_EVENTS}, 16964c1cdee6SMike Smith {"ACPI_DB_VERBOSE", ACPI_DB_VERBOSE}, 169715e32d5dSMike Smith {NULL, 0} 169815e32d5dSMike Smith }; 169915e32d5dSMike Smith 170015e32d5dSMike Smith static void 170115e32d5dSMike Smith acpi_parse_debug(char *cp, struct debugtag *tag, UINT32 *flag) 170215e32d5dSMike Smith { 170315e32d5dSMike Smith char *ep; 170415e32d5dSMike Smith int i, l; 17050ae55423SMike Smith int set; 170615e32d5dSMike Smith 170715e32d5dSMike Smith while (*cp) { 170815e32d5dSMike Smith if (isspace(*cp)) { 170915e32d5dSMike Smith cp++; 171015e32d5dSMike Smith continue; 171115e32d5dSMike Smith } 171215e32d5dSMike Smith ep = cp; 171315e32d5dSMike Smith while (*ep && !isspace(*ep)) 171415e32d5dSMike Smith ep++; 17150ae55423SMike Smith if (*cp == '!') { 17160ae55423SMike Smith set = 0; 17170ae55423SMike Smith cp++; 17180ae55423SMike Smith if (cp == ep) 17190ae55423SMike Smith continue; 17200ae55423SMike Smith } else { 17210ae55423SMike Smith set = 1; 17220ae55423SMike Smith } 172315e32d5dSMike Smith l = ep - cp; 172415e32d5dSMike Smith for (i = 0; tag[i].name != NULL; i++) { 172515e32d5dSMike Smith if (!strncmp(cp, tag[i].name, l)) { 17260ae55423SMike Smith if (set) { 172715e32d5dSMike Smith *flag |= tag[i].value; 17280ae55423SMike Smith } else { 17290ae55423SMike Smith *flag &= ~tag[i].value; 17300ae55423SMike Smith } 173115e32d5dSMike Smith printf("ACPI_DEBUG: set '%s'\n", tag[i].name); 173215e32d5dSMike Smith } 173315e32d5dSMike Smith } 173415e32d5dSMike Smith cp = ep; 173515e32d5dSMike Smith } 173615e32d5dSMike Smith } 173715e32d5dSMike Smith 173815e32d5dSMike Smith static void 17392a4ac806SMike Smith acpi_set_debugging(void *junk) 174015e32d5dSMike Smith { 174115e32d5dSMike Smith char *cp; 174215e32d5dSMike Smith 17430ae55423SMike Smith AcpiDbgLayer = 0; 17440ae55423SMike Smith AcpiDbgLevel = 0; 174515e32d5dSMike Smith if ((cp = getenv("debug.acpi.layer")) != NULL) 174615e32d5dSMike Smith acpi_parse_debug(cp, &dbg_layer[0], &AcpiDbgLayer); 174715e32d5dSMike Smith if ((cp = getenv("debug.acpi.level")) != NULL) 174815e32d5dSMike Smith acpi_parse_debug(cp, &dbg_level[0], &AcpiDbgLevel); 17490ae55423SMike Smith 17500ae55423SMike Smith printf("ACPI debug layer 0x%x debug level 0x%x\n", AcpiDbgLayer, AcpiDbgLevel); 175115e32d5dSMike Smith } 17522a4ac806SMike Smith SYSINIT(acpi_debugging, SI_SUB_TUNABLES, SI_ORDER_ANY, acpi_set_debugging, NULL); 175315e32d5dSMike Smith #endif 1754