linux/include/acpi/acpi_bus.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  acpi_bus.h - ACPI Bus Driver ($Revision: 22 $)
 *
 *  Copyright (C) 2001, 2002 Andy Grover <[email protected]>
 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <[email protected]>
 */

#ifndef __ACPI_BUS_H__
#define __ACPI_BUS_H__

#include <linux/completion.h>
#include <linux/container_of.h>
#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/mutex.h>
#include <linux/property.h>
#include <linux/types.h>

struct acpi_handle_list {};

/* acpi_utils.h */
acpi_status
acpi_extract_package(union acpi_object *package,
		     struct acpi_buffer *format, struct acpi_buffer *buffer);
acpi_status
acpi_evaluate_integer(acpi_handle handle,
		      acpi_string pathname,
		      struct acpi_object_list *arguments, unsigned long long *data);
bool acpi_evaluate_reference(acpi_handle handle, acpi_string pathname,
			     struct acpi_object_list *arguments,
			     struct acpi_handle_list *list);
bool acpi_handle_list_equal(struct acpi_handle_list *list1,
			    struct acpi_handle_list *list2);
void acpi_handle_list_replace(struct acpi_handle_list *dst,
			      struct acpi_handle_list *src);
void acpi_handle_list_free(struct acpi_handle_list *list);
bool acpi_device_dep(acpi_handle target, acpi_handle match);
acpi_status
acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
		  struct acpi_buffer *status_buf);

acpi_status
acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);

bool acpi_has_method(acpi_handle handle, char *name);
acpi_status acpi_execute_simple_method(acpi_handle handle, char *method,
				       u64 arg);
acpi_status acpi_evaluate_ej0(acpi_handle handle);
acpi_status acpi_evaluate_lck(acpi_handle handle, int lock);
acpi_status acpi_evaluate_reg(acpi_handle handle, u8 space_id, u32 function);
bool acpi_ata_match(acpi_handle handle);
bool acpi_bay_match(acpi_handle handle);
bool acpi_dock_match(acpi_handle handle);

bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs);
union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
			u64 rev, u64 func, union acpi_object *argv4);
#ifdef CONFIG_ACPI
static inline union acpi_object *
acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev,
			u64 func, union acpi_object *argv4,
			acpi_object_type type)
{}
#endif

#define ACPI_INIT_DSM_ARGV4(cnt, eles)

bool acpi_dev_found(const char *hid);
bool acpi_dev_present(const char *hid, const char *uid, s64 hrv);
bool acpi_reduced_hardware(void);

#ifdef CONFIG_ACPI

struct proc_dir_entry;

#define ACPI_BUS_FILE_ROOT
extern struct proc_dir_entry *acpi_root_dir;

enum acpi_bus_device_type {};

struct acpi_driver;
struct acpi_device;

/*
 * ACPI Scan Handler
 * -----------------
 */

struct acpi_hotplug_profile {};

static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile(
						struct kobject *kobj)
{}

struct acpi_scan_handler {};

/*
 * ACPI Hotplug Context
 * --------------------
 */

acpi_hp_notify;
acpi_hp_uevent;
acpi_hp_fixup;

struct acpi_hotplug_context {};

/*
 * ACPI Driver
 * -----------
 */

acpi_op_add;
acpi_op_remove;
acpi_op_notify;

struct acpi_device_ops {};

#define ACPI_DRIVER_ALL_NOTIFY_EVENTS

struct acpi_driver {};

/*
 * ACPI Device
 * -----------
 */

/* Status (_STA) */

struct acpi_device_status {};

/* Flags */

struct acpi_device_flags {};

/* File System */

struct acpi_device_dir {};

#define acpi_device_dir(d)

/* Plug and Play */

#define MAX_ACPI_DEVICE_NAME_LEN
#define MAX_ACPI_CLASS_NAME_LEN
acpi_bus_id;
acpi_bus_address;
acpi_device_name;
acpi_device_class;

struct acpi_hardware_id {};

struct acpi_pnp_type {};

struct acpi_device_pnp {};

#define acpi_device_bid(d)
#define acpi_device_adr(d)
const char *acpi_device_hid(struct acpi_device *device);
#define acpi_device_uid(d)
#define acpi_device_name(d)
#define acpi_device_class(d)

/* Power Management */

struct acpi_device_power_flags {};

struct acpi_device_power_state {};

struct acpi_device_power {};

struct acpi_dep_data {};

/* Performance Management */

struct acpi_device_perf_flags {};

struct acpi_device_perf_state {};

struct acpi_device_perf {};

/* Wakeup Management */
struct acpi_device_wakeup_flags {};

struct acpi_device_wakeup_context {};

struct acpi_device_wakeup {};

struct acpi_device_physical_node {};

struct acpi_device_properties {};

/* ACPI Device Specific Data (_DSD) */
struct acpi_device_data {};

struct acpi_gpio_mapping;

#define ACPI_DEVICE_SWNODE_ROOT

/*
 * The maximum expected number of CSI-2 data lanes.
 *
 * This number is not expected to ever have to be equal to or greater than the
 * number of bits in an unsigned long variable, but if it needs to be increased
 * above that limit, code will need to be adjusted accordingly.
 */
#define ACPI_DEVICE_CSI2_DATA_LANES

#define ACPI_DEVICE_SWNODE_PORT_NAME_LENGTH

enum acpi_device_swnode_dev_props {};

enum acpi_device_swnode_port_props {};

enum acpi_device_swnode_ep_props {};

/*
 * Each device has a root software node plus two times as many nodes as the
 * number of CSI-2 ports.
 */
#define ACPI_DEVICE_SWNODE_PORT(port)
#define ACPI_DEVICE_SWNODE_EP(endpoint)

/**
 * struct acpi_device_software_node_port - MIPI DisCo for Imaging CSI-2 port
 * @port_name: Port name.
 * @data_lanes: "data-lanes" property values.
 * @lane_polarities: "lane-polarities" property values.
 * @link_frequencies: "link_frequencies" property values.
 * @port_nr: Port number.
 * @crs_crs2_local: _CRS CSI2 record present (i.e. this is a transmitter one).
 * @port_props: Port properties.
 * @ep_props: Endpoint properties.
 * @remote_ep: Reference to the remote endpoint.
 */
struct acpi_device_software_node_port {};

/**
 * struct acpi_device_software_nodes - Software nodes for an ACPI device
 * @dev_props: Device properties.
 * @nodes: Software nodes for root as well as ports and endpoints.
 * @nodeprts: Array of software node pointers, for (un)registering them.
 * @ports: Information related to each port and endpoint within a port.
 * @num_ports: The number of ports.
 */
struct acpi_device_software_nodes {};

/* Device */
struct acpi_device {};

/* Non-device subnode */
struct acpi_data_node {};

extern const struct fwnode_operations acpi_device_fwnode_ops;
extern const struct fwnode_operations acpi_data_fwnode_ops;
extern const struct fwnode_operations acpi_static_fwnode_ops;

bool is_acpi_device_node(const struct fwnode_handle *fwnode);
bool is_acpi_data_node(const struct fwnode_handle *fwnode);

static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
{}

#define to_acpi_device_node(__fwnode)

#define to_acpi_data_node(__fwnode)

static inline bool is_acpi_static_node(const struct fwnode_handle *fwnode)
{}

static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
					const char *name)
{}

static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
{}

static inline void *acpi_driver_data(struct acpi_device *d)
{}

#define to_acpi_device(d)
#define to_acpi_driver(d)

static inline struct acpi_device *acpi_dev_parent(struct acpi_device *adev)
{}

static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta)
{}

static inline void acpi_set_hp_context(struct acpi_device *adev,
				       struct acpi_hotplug_context *hp)
{}

void acpi_initialize_hp_context(struct acpi_device *adev,
				struct acpi_hotplug_context *hp,
				acpi_hp_notify notify, acpi_hp_uevent uevent);

/* acpi_device.dev.bus == &acpi_bus_type */
extern const struct bus_type acpi_bus_type;

int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data);
int acpi_dev_for_each_child(struct acpi_device *adev,
			    int (*fn)(struct acpi_device *, void *), void *data);
int acpi_dev_for_each_child_reverse(struct acpi_device *adev,
				    int (*fn)(struct acpi_device *, void *),
				    void *data);

/*
 * Events
 * ------
 */

struct acpi_bus_event {};

extern struct kobject *acpi_kobj;
extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
void acpi_bus_private_data_handler(acpi_handle, void *);
int acpi_bus_get_private_data(acpi_handle, void **);
int acpi_bus_attach_private_data(acpi_handle, void *);
void acpi_bus_detach_private_data(acpi_handle);
int acpi_dev_install_notify_handler(struct acpi_device *adev,
				    u32 handler_type,
				    acpi_notify_handler handler, void *context);
void acpi_dev_remove_notify_handler(struct acpi_device *adev,
				    u32 handler_type,
				    acpi_notify_handler handler);
extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
extern int register_acpi_notifier(struct notifier_block *);
extern int unregister_acpi_notifier(struct notifier_block *);

/*
 * External Functions
 */

acpi_status acpi_bus_get_status_handle(acpi_handle handle,
				       unsigned long long *sta);
int acpi_bus_get_status(struct acpi_device *device);

int acpi_bus_set_power(acpi_handle handle, int state);
const char *acpi_power_state_string(int state);
int acpi_device_set_power(struct acpi_device *device, int state);
int acpi_bus_init_power(struct acpi_device *device);
int acpi_device_fix_up_power(struct acpi_device *device);
void acpi_device_fix_up_power_extended(struct acpi_device *adev);
void acpi_device_fix_up_power_children(struct acpi_device *adev);
int acpi_bus_update_power(acpi_handle handle, int *state_p);
int acpi_device_update_power(struct acpi_device *device, int *state_p);
bool acpi_bus_power_manageable(acpi_handle handle);
void acpi_dev_power_up_children_with_adr(struct acpi_device *adev);
u8 acpi_dev_power_state_for_wake(struct acpi_device *adev);
int acpi_device_power_add_dependent(struct acpi_device *adev,
				    struct device *dev);
void acpi_device_power_remove_dependent(struct acpi_device *adev,
					struct device *dev);

#ifdef CONFIG_PM
bool acpi_bus_can_wakeup(acpi_handle handle);
#else
static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; }
#endif

void acpi_scan_lock_acquire(void);
void acpi_scan_lock_release(void);
void acpi_lock_hp_context(void);
void acpi_unlock_hp_context(void);
int acpi_scan_add_handler(struct acpi_scan_handler *handler);
/*
 * use a macro to avoid include chaining to get THIS_MODULE
 */
#define acpi_bus_register_driver(drv)
int __acpi_bus_register_driver(struct acpi_driver *driver, struct module *owner);
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,
			  const struct acpi_device_id *ids);
void acpi_set_modalias(struct acpi_device *adev, const char *default_id,
		       char *modalias, size_t len);

static inline bool acpi_device_enumerated(struct acpi_device *adev)
{}

/**
 * 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)

/*
 * Bind physical devices with ACPI devices
 */
struct acpi_bus_type {};
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);

enum acpi_bridge_type {};

struct acpi_pci_root {};

/* helper */

struct iommu_ops;

bool acpi_dma_supported(const struct acpi_device *adev);
enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev);
int acpi_iommu_fwspec_init(struct device *dev, u32 id,
			   struct fwnode_handle *fwnode);
int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map);
int acpi_dma_configure_id(struct device *dev, enum dev_dma_attr attr,
			   const u32 *input_id);
static inline int acpi_dma_configure(struct device *dev,
				     enum dev_dma_attr attr)
{}
struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
					   u64 address, bool check_children);
struct acpi_device *acpi_find_child_by_adr(struct acpi_device *adev,
					   acpi_bus_address adr);
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_override_status(struct acpi_device *adev, unsigned long long *status);
bool acpi_quirk_skip_acpi_ac_and_battery(void);
int acpi_install_cmos_rtc_space_handler(acpi_handle handle);
void acpi_remove_cmos_rtc_space_handler(acpi_handle handle);
int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *skip);
#else
static inline bool acpi_device_override_status(struct acpi_device *adev,
					       unsigned long long *status)
{
	return false;
}
static inline bool acpi_quirk_skip_acpi_ac_and_battery(void)
{
	return false;
}
static inline int acpi_install_cmos_rtc_space_handler(acpi_handle handle)
{
	return 1;
}
static inline void acpi_remove_cmos_rtc_space_handler(acpi_handle handle)
{
}
static inline int
acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *skip)
{
	*skip = false;
	return 0;
}
#endif

#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS)
bool acpi_quirk_skip_i2c_client_enumeration(struct acpi_device *adev);
bool acpi_quirk_skip_gpio_event_handlers(void);
#else
static inline bool acpi_quirk_skip_i2c_client_enumeration(struct acpi_device *adev)
{
	return false;
}
static inline bool acpi_quirk_skip_gpio_event_handlers(void)
{
	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_SYSTEM_POWER_STATES_SUPPORT
bool acpi_sleep_state_supported(u8 sleep_state);
#else
static inline bool acpi_sleep_state_supported(u8 sleep_state) { return false; }
#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)
{}

static inline bool acpi_device_can_wakeup(struct acpi_device *adev)
{}

static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
{}

int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer);

static inline bool acpi_dev_hid_match(struct acpi_device *adev, const char *hid2)
{}

static inline bool acpi_str_uid_match(struct acpi_device *adev, const char *uid2)
{}

static inline bool acpi_int_uid_match(struct acpi_device *adev, u64 uid2)
{}

#define TYPE_ENTRY(type, x)

#define ACPI_STR_TYPES(match)

/**
 * acpi_dev_uid_match - Match device by supplied UID
 * @adev: ACPI device to match.
 * @uid2: Unique ID of the device.
 *
 * Matches UID in @adev with given @uid2.
 *
 * Returns: %true if matches, %false otherwise.
 */
#define acpi_dev_uid_match(adev, uid2)

/**
 * acpi_dev_hid_uid_match - Match device by supplied HID and UID
 * @adev: ACPI device to match.
 * @hid2: Hardware ID of the device.
 * @uid2: Unique ID of the device, pass NULL to not check _UID.
 *
 * Matches HID and UID in @adev with given @hid2 and @uid2. Absence of @uid2
 * will be treated as a match. If user wants to validate @uid2, it should be
 * done before calling this function.
 *
 * Returns: %true if matches or @uid2 is NULL, %false otherwise.
 */
#define acpi_dev_hid_uid_match(adev, hid2, uid2)

void acpi_dev_clear_dependencies(struct acpi_device *supplier);
bool acpi_dev_ready_for_enumeration(const struct acpi_device *device);
struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier,
						   struct acpi_device *start);

/**
 * for_each_acpi_consumer_dev - iterate over the consumer ACPI devices for a
 *				given supplier
 * @supplier: Pointer to the supplier's ACPI device
 * @consumer: Pointer to &struct acpi_device to hold the consumer, initially NULL
 */
#define for_each_acpi_consumer_dev(supplier, consumer)

struct acpi_device *
acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const char *uid, s64 hrv);
struct acpi_device *
acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv);

/**
 * for_each_acpi_dev_match - iterate over ACPI devices that matching the criteria
 * @adev: pointer to the matching ACPI device, NULL at the end of the loop
 * @hid: Hardware ID of the device.
 * @uid: Unique ID of the device, pass NULL to not check _UID
 * @hrv: Hardware Revision of the device, pass -1 to not check _HRV
 *
 * The caller is responsible for invoking acpi_dev_put() on the returned device.
 */
#define for_each_acpi_dev_match(adev, hid, uid, hrv)

static inline struct acpi_device *acpi_dev_get(struct acpi_device *adev)
{}

static inline void acpi_dev_put(struct acpi_device *adev)
{}

struct acpi_device *acpi_fetch_acpi_dev(acpi_handle handle);
struct acpi_device *acpi_get_acpi_dev(acpi_handle handle);

static inline void acpi_put_acpi_dev(struct acpi_device *adev)
{}

int acpi_wait_for_acpi_ipmi(void);

int acpi_scan_add_dep(acpi_handle handle, struct acpi_handle_list *dep_devices);
u32 arch_acpi_add_auto_dep(acpi_handle handle);
#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; }

static inline int acpi_wait_for_acpi_ipmi(void) { return 0; }

#endif				/* CONFIG_ACPI */

#endif /*__ACPI_BUS_H__*/