include/linux/acpi.h - arm/linux-arm64-legacy - Git at Google

 /*
  * 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.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */

 #ifndef _LINUX_ACPI_H
 #define _LINUX_ACPI_H


 #ifdef	CONFIG_ACPI

 #ifndef _LINUX
 #define _LINUX
 #endif

 #include <linux/list.h>

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


 #ifdef CONFIG_ACPI

 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_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_table_handler) (struct acpi_table_header *table);

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

 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
 unsigned long acpi_find_rsdp (void);
 int acpi_boot_init (void);
 int acpi_boot_table_init (void);
 int acpi_numa_init (void);

 int acpi_table_init (void);
 int acpi_table_parse (char *id, acpi_table_handler handler);
 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 	int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
 int acpi_parse_mcfg (struct acpi_table_header *header);
 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);

 /* the following four functions are architecture-dependent */
 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
 #define NR_NODE_MEMBLKS MAX_NUMNODES
 #define acpi_numa_slit_init(slit) do {} while (0)
 #define acpi_numa_processor_affinity_init(pa) do {} while (0)
 #define acpi_numa_memory_affinity_init(ma) do {} while (0)
 #define acpi_numa_arch_fixup() do {} while (0)
 #else
 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 void acpi_numa_arch_fixup(void);
 #endif

 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 /* Arch dependent functions for cpu hotplug support */
 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
 int acpi_unmap_lsapic(int cpu);
 #endif /* CONFIG_ACPI_HOTPLUG_CPU */

 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);

 extern int acpi_mp_config;

 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 extern int pci_mmcfg_config_num;

 extern int sbf_port;
 extern unsigned long acpi_realmode_flags;

 #else	/* !CONFIG_ACPI */

 #define acpi_mp_config	0

 #endif 	/* !CONFIG_ACPI */

 int acpi_register_gsi (u32 gsi, int triggering, int polarity);
 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);

 /*
  * This function undoes the effect of one call to acpi_register_gsi().
  * If this matches the last registration, any IRQ resources for gsi
  * are freed.
  */
 void acpi_unregister_gsi (u32 gsi);

 #ifdef CONFIG_ACPI

 struct acpi_prt_entry {
 	struct list_head	node;
 	struct acpi_pci_id	id;
 	u8			pin;
 	struct {
 		acpi_handle		handle;
 		u32			index;
 	}			link;
 	u32			irq;
 };

 struct acpi_prt_list {
 	int			count;
 	struct list_head	entries;
 };

 struct pci_dev;

 int acpi_pci_irq_enable (struct pci_dev *dev);
 void acpi_penalize_isa_irq(int irq, int active);

 void acpi_pci_irq_disable (struct pci_dev *dev);

 struct acpi_pci_driver {
 	struct acpi_pci_driver *next;
 	int (*add)(acpi_handle handle);
 	void (*remove)(acpi_handle handle);
 };

 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);

 #endif /* CONFIG_ACPI */

 #ifdef CONFIG_ACPI_EC

 extern int ec_read(u8 addr, u8 *val);
 extern int ec_write(u8 addr, u8 val);
 extern int ec_transaction(u8 command,
                           const u8 *wdata, unsigned wdata_len,
                           u8 *rdata, unsigned rdata_len,
 			  int force_poll);

 #endif /*CONFIG_ACPI_EC*/

 extern int acpi_blacklisted(void);
 extern void acpi_bios_year(char *s);

 #define	ACPI_CSTATE_LIMIT_DEFINED	/* for driver builds */
 #ifdef	CONFIG_ACPI

 /*
  * Set highest legal C-state
  * 0: C0 okay, but not C1
  * 1: C1 okay, but not C2
  * 2: C2 okay, but not C3 etc.
  */

 extern unsigned int max_cstate;

 static inline unsigned int acpi_get_cstate_limit(void)
 {
 	return max_cstate;
 }
 static inline void acpi_set_cstate_limit(unsigned int new_limit)
 {
 	max_cstate = new_limit;
 	return;
 }
 #else
 static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
 static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
 #endif

 #ifdef CONFIG_ACPI_NUMA
 int acpi_get_pxm(acpi_handle handle);
 int acpi_get_node(acpi_handle *handle);
 #else
 static inline int acpi_get_pxm(acpi_handle handle)
 {
 	return 0;
 }
 static inline int acpi_get_node(acpi_handle *handle)
 {
 	return 0;
 }
 #endif
 extern int acpi_paddr_to_node(u64 start_addr, u64 size);

 extern int pnpacpi_disabled;

 #define PXM_INVAL	(-1)
 #define NID_INVAL	(-1)

 #else	/* CONFIG_ACPI */

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

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

 #endif	/* CONFIG_ACPI */
 #endif	/*_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.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	*/

	#ifndef _LINUX_ACPI_H
	#define _LINUX_ACPI_H


	#ifdef CONFIG_ACPI

	#ifndef _LINUX
	#define _LINUX
	#endif

	#include <linux/list.h>

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


	#ifdef CONFIG_ACPI

	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_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_table_handler) (struct acpi_table_header table);

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

	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
	unsigned long acpi_find_rsdp (void);
	int acpi_boot_init (void);
	int acpi_boot_table_init (void);
	int acpi_numa_init (void);

	int acpi_table_init (void);
	int acpi_table_parse (char *id, acpi_table_handler handler);
	int __init acpi_table_parse_entries(char *id, unsigned long table_size,
	int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
	int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
	int acpi_parse_mcfg (struct acpi_table_header *header);
	void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);

	/* the following four functions are architecture-dependent */
	#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
	#define NR_NODE_MEMBLKS MAX_NUMNODES
	#define acpi_numa_slit_init(slit) do {} while (0)
	#define acpi_numa_processor_affinity_init(pa) do {} while (0)
	#define acpi_numa_memory_affinity_init(ma) do {} while (0)
	#define acpi_numa_arch_fixup() do {} while (0)
	#else
	void acpi_numa_slit_init (struct acpi_table_slit *slit);
	void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
	void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
	void acpi_numa_arch_fixup(void);
	#endif

	#ifdef CONFIG_ACPI_HOTPLUG_CPU
	/* Arch dependent functions for cpu hotplug support */
	int acpi_map_lsapic(acpi_handle handle, int *pcpu);
	int acpi_unmap_lsapic(int cpu);
	#endif /* CONFIG_ACPI_HOTPLUG_CPU */

	int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
	int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);

	extern int acpi_mp_config;

	extern struct acpi_mcfg_allocation *pci_mmcfg_config;
	extern int pci_mmcfg_config_num;

	extern int sbf_port;
	extern unsigned long acpi_realmode_flags;

	#else /* !CONFIG_ACPI */

	#define acpi_mp_config 0

	#endif /* !CONFIG_ACPI */

	int acpi_register_gsi (u32 gsi, int triggering, int polarity);
	int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);

	/*
	* This function undoes the effect of one call to acpi_register_gsi().
	* If this matches the last registration, any IRQ resources for gsi
	* are freed.
	*/
	void acpi_unregister_gsi (u32 gsi);

	#ifdef CONFIG_ACPI

	struct acpi_prt_entry {
	struct list_head node;
	struct acpi_pci_id id;
	u8 pin;
	struct {
	acpi_handle handle;
	u32 index;
	} link;
	u32 irq;
	};

	struct acpi_prt_list {
	int count;
	struct list_head entries;
	};

	struct pci_dev;

	int acpi_pci_irq_enable (struct pci_dev *dev);
	void acpi_penalize_isa_irq(int irq, int active);

	void acpi_pci_irq_disable (struct pci_dev *dev);

	struct acpi_pci_driver {
	struct acpi_pci_driver *next;
	int (*add)(acpi_handle handle);
	void (*remove)(acpi_handle handle);
	};

	int acpi_pci_register_driver(struct acpi_pci_driver *driver);
	void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);

	#endif /* CONFIG_ACPI */

	#ifdef CONFIG_ACPI_EC

	extern int ec_read(u8 addr, u8 *val);
	extern int ec_write(u8 addr, u8 val);
	extern int ec_transaction(u8 command,
	const u8 *wdata, unsigned wdata_len,
	u8 *rdata, unsigned rdata_len,
	int force_poll);

	#endif /CONFIG_ACPI_EC/

	extern int acpi_blacklisted(void);
	extern void acpi_bios_year(char *s);

	#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
	#ifdef CONFIG_ACPI

	/*
	* Set highest legal C-state
	* 0: C0 okay, but not C1
	* 1: C1 okay, but not C2
	* 2: C2 okay, but not C3 etc.
	*/

	extern unsigned int max_cstate;

	static inline unsigned int acpi_get_cstate_limit(void)
	{
	return max_cstate;
	}
	static inline void acpi_set_cstate_limit(unsigned int new_limit)
	{
	max_cstate = new_limit;
	return;
	}
	#else
	static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
	static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
	#endif

	#ifdef CONFIG_ACPI_NUMA
	int acpi_get_pxm(acpi_handle handle);
	int acpi_get_node(acpi_handle *handle);
	#else
	static inline int acpi_get_pxm(acpi_handle handle)
	{
	return 0;
	}
	static inline int acpi_get_node(acpi_handle *handle)
	{
	return 0;
	}
	#endif
	extern int acpi_paddr_to_node(u64 start_addr, u64 size);

	extern int pnpacpi_disabled;

	#define PXM_INVAL (-1)
	#define NID_INVAL (-1)

	#else /* CONFIG_ACPI */

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

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

	#endif /* CONFIG_ACPI */
	#endif /_LINUX_ACPI_H/