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8f8e5c3e27
* acpi-pm: PM / core: Drop run_wake flag from struct dev_pm_info PCI / PM: Simplify device wakeup settings code PCI / PM: Drop pme_interrupt flag from struct pci_dev ACPI / PM: Consolidate device wakeup settings code ACPI / PM: Drop run_wake from struct acpi_device_wakeup_flags ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems platform: x86: intel-hid: Wake up the system from suspend-to-idle platform: x86: intel-vbtn: Wake up the system from suspend-to-idle ACPI / PM: Ignore spurious SCI wakeups from suspend-to-idle platform/x86: Add driver for ACPI INT0002 Virtual GPIO device PCI / PM: Restore PME Enable if skipping wakeup setup PM / sleep: Print timing information if debug is enabled ACPI / PM: Clean up device wakeup enable/disable code ACPI / PM: Change log level of wakeup-related message USB / PCI / PM: Allow the PCI core to do the resume cleanup ACPI / PM: Run wakeup notify handlers synchronously Conflicts: drivers/base/power/main.c
672 lines
18 KiB
C
672 lines
18 KiB
C
/*
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* acpi_bus.h - ACPI Bus Driver ($Revision: 22 $)
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*
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* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
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* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef __ACPI_BUS_H__
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#define __ACPI_BUS_H__
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#include <linux/device.h>
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#include <linux/property.h>
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/* TBD: Make dynamic */
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#define ACPI_MAX_HANDLES 10
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struct acpi_handle_list {
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u32 count;
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acpi_handle handles[ACPI_MAX_HANDLES];
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};
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/* acpi_utils.h */
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acpi_status
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acpi_extract_package(union acpi_object *package,
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struct acpi_buffer *format, struct acpi_buffer *buffer);
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acpi_status
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acpi_evaluate_integer(acpi_handle handle,
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acpi_string pathname,
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struct acpi_object_list *arguments, unsigned long long *data);
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acpi_status
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acpi_evaluate_reference(acpi_handle handle,
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acpi_string pathname,
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struct acpi_object_list *arguments,
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struct acpi_handle_list *list);
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acpi_status
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acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
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struct acpi_buffer *status_buf);
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acpi_status
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acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
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bool acpi_has_method(acpi_handle handle, char *name);
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acpi_status acpi_execute_simple_method(acpi_handle handle, char *method,
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u64 arg);
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acpi_status acpi_evaluate_ej0(acpi_handle handle);
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acpi_status acpi_evaluate_lck(acpi_handle handle, int lock);
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bool acpi_ata_match(acpi_handle handle);
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bool acpi_bay_match(acpi_handle handle);
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bool acpi_dock_match(acpi_handle handle);
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bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs);
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union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
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u64 rev, u64 func, union acpi_object *argv4);
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static inline union acpi_object *
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acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev,
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u64 func, union acpi_object *argv4,
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acpi_object_type type)
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{
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union acpi_object *obj;
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obj = acpi_evaluate_dsm(handle, guid, rev, func, argv4);
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if (obj && obj->type != type) {
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ACPI_FREE(obj);
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obj = NULL;
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}
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return obj;
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}
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#define ACPI_INIT_DSM_ARGV4(cnt, eles) \
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{ \
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.package.type = ACPI_TYPE_PACKAGE, \
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.package.count = (cnt), \
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.package.elements = (eles) \
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}
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bool acpi_dev_found(const char *hid);
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bool acpi_dev_present(const char *hid, const char *uid, s64 hrv);
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#ifdef CONFIG_ACPI
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#include <linux/proc_fs.h>
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#define ACPI_BUS_FILE_ROOT "acpi"
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extern struct proc_dir_entry *acpi_root_dir;
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enum acpi_bus_device_type {
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ACPI_BUS_TYPE_DEVICE = 0,
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ACPI_BUS_TYPE_POWER,
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ACPI_BUS_TYPE_PROCESSOR,
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ACPI_BUS_TYPE_THERMAL,
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ACPI_BUS_TYPE_POWER_BUTTON,
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ACPI_BUS_TYPE_SLEEP_BUTTON,
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ACPI_BUS_DEVICE_TYPE_COUNT
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};
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struct acpi_driver;
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struct acpi_device;
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/*
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* ACPI Scan Handler
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* -----------------
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*/
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struct acpi_hotplug_profile {
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struct kobject kobj;
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int (*scan_dependent)(struct acpi_device *adev);
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void (*notify_online)(struct acpi_device *adev);
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bool enabled:1;
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bool demand_offline:1;
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};
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static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile(
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struct kobject *kobj)
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{
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return container_of(kobj, struct acpi_hotplug_profile, kobj);
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}
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struct acpi_scan_handler {
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const struct acpi_device_id *ids;
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struct list_head list_node;
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bool (*match)(const char *idstr, const struct acpi_device_id **matchid);
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int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id);
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void (*detach)(struct acpi_device *dev);
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void (*bind)(struct device *phys_dev);
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void (*unbind)(struct device *phys_dev);
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struct acpi_hotplug_profile hotplug;
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};
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/*
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* ACPI Hotplug Context
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* --------------------
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*/
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struct acpi_hotplug_context {
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struct acpi_device *self;
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int (*notify)(struct acpi_device *, u32);
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void (*uevent)(struct acpi_device *, u32);
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void (*fixup)(struct acpi_device *);
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};
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/*
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* ACPI Driver
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* -----------
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*/
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typedef int (*acpi_op_add) (struct acpi_device * device);
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typedef int (*acpi_op_remove) (struct acpi_device * device);
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typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event);
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struct acpi_device_ops {
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acpi_op_add add;
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acpi_op_remove remove;
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acpi_op_notify notify;
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};
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#define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */
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struct acpi_driver {
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char name[80];
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char class[80];
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const struct acpi_device_id *ids; /* Supported Hardware IDs */
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unsigned int flags;
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struct acpi_device_ops ops;
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struct device_driver drv;
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struct module *owner;
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};
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/*
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* ACPI Device
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* -----------
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*/
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/* Status (_STA) */
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struct acpi_device_status {
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u32 present:1;
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u32 enabled:1;
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u32 show_in_ui:1;
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u32 functional:1;
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u32 battery_present:1;
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u32 reserved:27;
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};
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/* Flags */
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struct acpi_device_flags {
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u32 dynamic_status:1;
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u32 removable:1;
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u32 ejectable:1;
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u32 power_manageable:1;
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u32 match_driver:1;
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u32 initialized:1;
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u32 visited:1;
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u32 hotplug_notify:1;
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u32 is_dock_station:1;
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u32 of_compatible_ok:1;
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u32 coherent_dma:1;
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u32 cca_seen:1;
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u32 spi_i2c_slave:1;
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u32 reserved:19;
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};
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/* File System */
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struct acpi_device_dir {
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struct proc_dir_entry *entry;
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};
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#define acpi_device_dir(d) ((d)->dir.entry)
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/* Plug and Play */
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typedef char acpi_bus_id[8];
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typedef unsigned long acpi_bus_address;
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typedef char acpi_device_name[40];
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typedef char acpi_device_class[20];
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struct acpi_hardware_id {
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struct list_head list;
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const char *id;
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};
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struct acpi_pnp_type {
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u32 hardware_id:1;
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u32 bus_address:1;
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u32 platform_id:1;
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u32 reserved:29;
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};
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struct acpi_device_pnp {
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acpi_bus_id bus_id; /* Object name */
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struct acpi_pnp_type type; /* ID type */
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acpi_bus_address bus_address; /* _ADR */
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char *unique_id; /* _UID */
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struct list_head ids; /* _HID and _CIDs */
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acpi_device_name device_name; /* Driver-determined */
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acpi_device_class device_class; /* " */
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union acpi_object *str_obj; /* unicode string for _STR method */
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};
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#define acpi_device_bid(d) ((d)->pnp.bus_id)
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#define acpi_device_adr(d) ((d)->pnp.bus_address)
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const char *acpi_device_hid(struct acpi_device *device);
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#define acpi_device_uid(d) ((d)->pnp.unique_id)
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#define acpi_device_name(d) ((d)->pnp.device_name)
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#define acpi_device_class(d) ((d)->pnp.device_class)
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/* Power Management */
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struct acpi_device_power_flags {
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u32 explicit_get:1; /* _PSC present? */
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u32 power_resources:1; /* Power resources */
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u32 inrush_current:1; /* Serialize Dx->D0 */
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u32 power_removed:1; /* Optimize Dx->D0 */
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u32 ignore_parent:1; /* Power is independent of parent power state */
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u32 dsw_present:1; /* _DSW present? */
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u32 reserved:26;
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};
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struct acpi_device_power_state {
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struct {
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u8 valid:1;
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u8 explicit_set:1; /* _PSx present? */
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u8 reserved:6;
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} flags;
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int power; /* % Power (compared to D0) */
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int latency; /* Dx->D0 time (microseconds) */
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struct list_head resources; /* Power resources referenced */
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};
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struct acpi_device_power {
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int state; /* Current state */
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struct acpi_device_power_flags flags;
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struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */
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};
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/* Performance Management */
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struct acpi_device_perf_flags {
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u8 reserved:8;
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};
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struct acpi_device_perf_state {
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struct {
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u8 valid:1;
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u8 reserved:7;
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} flags;
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u8 power; /* % Power (compared to P0) */
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u8 performance; /* % Performance ( " ) */
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int latency; /* Px->P0 time (microseconds) */
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};
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struct acpi_device_perf {
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int state;
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struct acpi_device_perf_flags flags;
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int state_count;
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struct acpi_device_perf_state *states;
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};
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/* Wakeup Management */
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struct acpi_device_wakeup_flags {
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u8 valid:1; /* Can successfully enable wakeup? */
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u8 notifier_present:1; /* Wake-up notify handler has been installed */
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u8 enabled:1; /* Enabled for wakeup */
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};
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struct acpi_device_wakeup_context {
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void (*func)(struct acpi_device_wakeup_context *context);
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struct device *dev;
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};
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struct acpi_device_wakeup {
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acpi_handle gpe_device;
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u64 gpe_number;
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u64 sleep_state;
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struct list_head resources;
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struct acpi_device_wakeup_flags flags;
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struct acpi_device_wakeup_context context;
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struct wakeup_source *ws;
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int prepare_count;
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};
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struct acpi_device_physical_node {
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unsigned int node_id;
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struct list_head node;
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struct device *dev;
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bool put_online:1;
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};
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/* ACPI Device Specific Data (_DSD) */
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struct acpi_device_data {
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const union acpi_object *pointer;
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const union acpi_object *properties;
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const union acpi_object *of_compatible;
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struct list_head subnodes;
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};
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struct acpi_gpio_mapping;
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/* Device */
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struct acpi_device {
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int device_type;
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acpi_handle handle; /* no handle for fixed hardware */
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struct fwnode_handle fwnode;
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struct acpi_device *parent;
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struct list_head children;
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struct list_head node;
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struct list_head wakeup_list;
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struct list_head del_list;
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struct acpi_device_status status;
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struct acpi_device_flags flags;
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struct acpi_device_pnp pnp;
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struct acpi_device_power power;
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struct acpi_device_wakeup wakeup;
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struct acpi_device_perf performance;
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struct acpi_device_dir dir;
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struct acpi_device_data data;
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struct acpi_scan_handler *handler;
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struct acpi_hotplug_context *hp;
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struct acpi_driver *driver;
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const struct acpi_gpio_mapping *driver_gpios;
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void *driver_data;
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struct device dev;
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unsigned int physical_node_count;
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unsigned int dep_unmet;
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struct list_head physical_node_list;
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struct mutex physical_node_lock;
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void (*remove)(struct acpi_device *);
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};
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/* Non-device subnode */
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struct acpi_data_node {
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const char *name;
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acpi_handle handle;
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struct fwnode_handle fwnode;
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struct fwnode_handle *parent;
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struct acpi_device_data data;
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struct list_head sibling;
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struct kobject kobj;
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struct completion kobj_done;
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};
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static inline bool is_acpi_node(struct fwnode_handle *fwnode)
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{
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return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI
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|| fwnode->type == FWNODE_ACPI_DATA);
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}
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static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
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{
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return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI;
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}
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static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
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{
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return is_acpi_device_node(fwnode) ?
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container_of(fwnode, struct acpi_device, fwnode) : NULL;
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}
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static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
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{
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return fwnode && fwnode->type == FWNODE_ACPI_DATA;
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}
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static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
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{
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return is_acpi_data_node(fwnode) ?
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container_of(fwnode, struct acpi_data_node, fwnode) : NULL;
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}
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static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
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const char *name)
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{
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return is_acpi_data_node(fwnode) ?
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(!strcmp(to_acpi_data_node(fwnode)->name, name)) : false;
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}
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static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
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{
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return &adev->fwnode;
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}
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static inline void *acpi_driver_data(struct acpi_device *d)
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{
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return d->driver_data;
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}
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#define to_acpi_device(d) container_of(d, struct acpi_device, dev)
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#define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
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static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta)
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{
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*((u32 *)&adev->status) = sta;
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}
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static inline void acpi_set_hp_context(struct acpi_device *adev,
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struct acpi_hotplug_context *hp)
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{
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hp->self = adev;
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adev->hp = hp;
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}
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void acpi_initialize_hp_context(struct acpi_device *adev,
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struct acpi_hotplug_context *hp,
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int (*notify)(struct acpi_device *, u32),
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void (*uevent)(struct acpi_device *, u32));
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/* acpi_device.dev.bus == &acpi_bus_type */
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extern struct bus_type acpi_bus_type;
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/*
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* Events
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* ------
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*/
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struct acpi_bus_event {
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struct list_head node;
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acpi_device_class device_class;
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acpi_bus_id bus_id;
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u32 type;
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u32 data;
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};
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extern struct kobject *acpi_kobj;
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extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
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void acpi_bus_private_data_handler(acpi_handle, void *);
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int acpi_bus_get_private_data(acpi_handle, void **);
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int acpi_bus_attach_private_data(acpi_handle, void *);
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void acpi_bus_detach_private_data(acpi_handle);
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extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
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extern int register_acpi_notifier(struct notifier_block *);
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extern int unregister_acpi_notifier(struct notifier_block *);
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/*
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* External Functions
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*/
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int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
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struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle);
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void acpi_bus_put_acpi_device(struct acpi_device *adev);
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acpi_status acpi_bus_get_status_handle(acpi_handle handle,
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|
unsigned long long *sta);
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int acpi_bus_get_status(struct acpi_device *device);
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|
|
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int acpi_bus_set_power(acpi_handle handle, int state);
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const char *acpi_power_state_string(int state);
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int acpi_device_get_power(struct acpi_device *device, int *state);
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int acpi_device_set_power(struct acpi_device *device, int state);
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|
int acpi_bus_init_power(struct acpi_device *device);
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int acpi_device_fix_up_power(struct acpi_device *device);
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int acpi_bus_update_power(acpi_handle handle, int *state_p);
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int acpi_device_update_power(struct acpi_device *device, int *state_p);
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bool acpi_bus_power_manageable(acpi_handle handle);
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|
|
|
#ifdef CONFIG_PM
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|
bool acpi_bus_can_wakeup(acpi_handle handle);
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#else
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static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; }
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|
#endif
|
|
|
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void acpi_scan_lock_acquire(void);
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|
void acpi_scan_lock_release(void);
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|
void acpi_lock_hp_context(void);
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|
void acpi_unlock_hp_context(void);
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|
int acpi_scan_add_handler(struct acpi_scan_handler *handler);
|
|
int acpi_bus_register_driver(struct acpi_driver *driver);
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|
void acpi_bus_unregister_driver(struct acpi_driver *driver);
|
|
int acpi_bus_scan(acpi_handle handle);
|
|
void acpi_bus_trim(struct acpi_device *start);
|
|
acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd);
|
|
int acpi_match_device_ids(struct acpi_device *device,
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|
const struct acpi_device_id *ids);
|
|
void acpi_set_modalias(struct acpi_device *adev, const char *default_id,
|
|
char *modalias, size_t len);
|
|
int acpi_create_dir(struct acpi_device *);
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|
void acpi_remove_dir(struct acpi_device *);
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|
|
|
static inline bool acpi_device_enumerated(struct acpi_device *adev)
|
|
{
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|
return adev && adev->flags.initialized && adev->flags.visited;
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|
}
|
|
|
|
/**
|
|
* module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver
|
|
* @__acpi_driver: acpi_driver struct
|
|
*
|
|
* Helper macro for ACPI drivers which do not do anything special in module
|
|
* init/exit. This eliminates a lot of boilerplate. Each module may only
|
|
* use this macro once, and calling it replaces module_init() and module_exit()
|
|
*/
|
|
#define module_acpi_driver(__acpi_driver) \
|
|
module_driver(__acpi_driver, acpi_bus_register_driver, \
|
|
acpi_bus_unregister_driver)
|
|
|
|
/*
|
|
* Bind physical devices with ACPI devices
|
|
*/
|
|
struct acpi_bus_type {
|
|
struct list_head list;
|
|
const char *name;
|
|
bool (*match)(struct device *dev);
|
|
struct acpi_device * (*find_companion)(struct device *);
|
|
void (*setup)(struct device *);
|
|
void (*cleanup)(struct device *);
|
|
};
|
|
int register_acpi_bus_type(struct acpi_bus_type *);
|
|
int unregister_acpi_bus_type(struct acpi_bus_type *);
|
|
int acpi_bind_one(struct device *dev, struct acpi_device *adev);
|
|
int acpi_unbind_one(struct device *dev);
|
|
|
|
struct acpi_pci_root {
|
|
struct acpi_device * device;
|
|
struct pci_bus *bus;
|
|
u16 segment;
|
|
struct resource secondary; /* downstream bus range */
|
|
|
|
u32 osc_support_set; /* _OSC state of support bits */
|
|
u32 osc_control_set; /* _OSC state of control bits */
|
|
phys_addr_t mcfg_addr;
|
|
};
|
|
|
|
/* helper */
|
|
|
|
bool acpi_dma_supported(struct acpi_device *adev);
|
|
enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev);
|
|
int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr);
|
|
void acpi_dma_deconfigure(struct device *dev);
|
|
|
|
struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
|
|
u64 address, bool check_children);
|
|
int acpi_is_root_bridge(acpi_handle);
|
|
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);
|
|
|
|
int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state);
|
|
int acpi_disable_wakeup_device_power(struct acpi_device *dev);
|
|
|
|
#ifdef CONFIG_X86
|
|
bool acpi_device_always_present(struct acpi_device *adev);
|
|
#else
|
|
static inline bool acpi_device_always_present(struct acpi_device *adev)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM
|
|
void acpi_pm_wakeup_event(struct device *dev);
|
|
acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev,
|
|
void (*func)(struct acpi_device_wakeup_context *context));
|
|
acpi_status acpi_remove_pm_notifier(struct acpi_device *adev);
|
|
bool acpi_pm_device_can_wakeup(struct device *dev);
|
|
int acpi_pm_device_sleep_state(struct device *, int *, int);
|
|
int acpi_pm_set_device_wakeup(struct device *dev, bool enable);
|
|
#else
|
|
static inline void acpi_pm_wakeup_event(struct device *dev)
|
|
{
|
|
}
|
|
static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
|
|
struct device *dev,
|
|
void (*func)(struct acpi_device_wakeup_context *context))
|
|
{
|
|
return AE_SUPPORT;
|
|
}
|
|
static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev)
|
|
{
|
|
return AE_SUPPORT;
|
|
}
|
|
static inline bool acpi_pm_device_can_wakeup(struct device *dev)
|
|
{
|
|
return false;
|
|
}
|
|
static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m)
|
|
{
|
|
if (p)
|
|
*p = ACPI_STATE_D0;
|
|
|
|
return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ?
|
|
m : ACPI_STATE_D0;
|
|
}
|
|
static inline int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_ACPI_SLEEP
|
|
u32 acpi_target_system_state(void);
|
|
#else
|
|
static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; }
|
|
#endif
|
|
|
|
static inline bool acpi_device_power_manageable(struct acpi_device *adev)
|
|
{
|
|
return adev->flags.power_manageable;
|
|
}
|
|
|
|
static inline bool acpi_device_can_wakeup(struct acpi_device *adev)
|
|
{
|
|
return adev->wakeup.flags.valid;
|
|
}
|
|
|
|
static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
|
|
{
|
|
return adev->power.states[ACPI_STATE_D3_COLD].flags.valid ||
|
|
((acpi_gbl_FADT.header.revision < 6) &&
|
|
adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set);
|
|
}
|
|
|
|
#else /* CONFIG_ACPI */
|
|
|
|
static inline int register_acpi_bus_type(void *bus) { return 0; }
|
|
static inline int unregister_acpi_bus_type(void *bus) { return 0; }
|
|
|
|
#endif /* CONFIG_ACPI */
|
|
|
|
#endif /*__ACPI_BUS_H__*/
|