path: root/include/linux/acpi.h

/*
 * acpi.h - ACPI Interface
 *
 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#ifndef _LINUX_ACPI_H
#define _LINUX_ACPI_H

#include <linux/errno.h>
#include <linux/ioport.h>	/* for struct resource */
#include <linux/resource_ext.h>
#include <linux/device.h>
#include <linux/property.h>
#include <linux/uuid.h>

#ifndef _LINUX
#define _LINUX
#endif
#include <acpi/acpi.h>

#ifdef	CONFIG_ACPI

#include <linux/list.h>
#include <linux/mod_devicetable.h>
#include <linux/dynamic_debug.h>
#include <linux/module.h>
#include <linux/mutex.h>

#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_numa.h>
#include <acpi/acpi_io.h>
#include <asm/acpi.h>

static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
{
	return adev ? adev->handle : NULL;
}

#define ACPI_COMPANION(dev)		to_acpi_device_node((dev)->fwnode)
#define ACPI_COMPANION_SET(dev, adev)	set_primary_fwnode(dev, (adev) ? \
	acpi_fwnode_handle(adev) : NULL)
#define ACPI_HANDLE(dev)		acpi_device_handle(ACPI_COMPANION(dev))


extern const struct fwnode_operations acpi_fwnode_ops;

static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
{
	struct fwnode_handle *fwnode;

	fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
	if (!fwnode)
		return NULL;

	fwnode->type = FWNODE_ACPI_STATIC;
	fwnode->ops = &acpi_fwnode_ops;

	return fwnode;
}

static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
{
	if (WARN_ON(!fwnode || fwnode->type != FWNODE_ACPI_STATIC))
		return;

	kfree(fwnode);
}

/**
 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
 * the PCI-defined class-code information
 *
 * @_cls : the class, subclass, prog-if triple for this device
 * @_msk : the class mask for this device
 *
 * This macro is used to create a struct acpi_device_id that matches a
 * specific PCI class. The .id and .driver_data fields will be left
 * initialized with the default value.
 */
#define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (_cls), .cls_msk = (_msk),

static inline bool has_acpi_companion(struct device *dev)
{
	return is_acpi_device_node(dev->fwnode);
}

static inline void acpi_preset_companion(struct device *dev,
					 struct acpi_device *parent, u64 addr)
{
	ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
}

static inline const char *acpi_dev_name(struct acpi_device *adev)
{
	return dev_name(&adev->dev);
}

struct device *acpi_get_first_physical_node(struct acpi_device *adev);

enum acpi_irq_model_id {
	ACPI_IRQ_MODEL_PIC = 0,
	ACPI_IRQ_MODEL_IOAPIC,
	ACPI_IRQ_MODEL_IOSAPIC,
	ACPI_IRQ_MODEL_PLATFORM,
	ACPI_IRQ_MODEL_GIC,
	ACPI_IRQ_MODEL_COUNT
};

extern enum acpi_irq_model_id	acpi_irq_model;

enum acpi_interrupt_id {
	ACPI_INTERRUPT_PMI	= 1,
	ACPI_INTERRUPT_INIT,
	ACPI_INTERRUPT_CPEI,
	ACPI_INTERRUPT_COUNT
};

#define	ACPI_SPACE_MEM		0

enum acpi_address_range_id {
	ACPI_ADDRESS_RANGE_MEMORY = 1,
	ACPI_ADDRESS_RANGE_RESERVED = 2,
	ACPI_ADDRESS_RANGE_ACPI = 3,
	ACPI_ADDRESS_RANGE_NVS	= 4,
	ACPI_ADDRESS_RANGE_COUNT
};


/* Table Handlers */

typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);

typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
				      const unsigned long end);

/* Debugger support */

struct acpi_debugger_ops {
	int (*create_thread)(acpi_osd_exec_callback function, void *context);
	ssize_t (*write_log)(const char *msg);
	ssize_t (*read_cmd)(char *buffer, size_t length);
	int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
	int (