include/linux/acpi.h - linux-imx - 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 <linux/mod_devicetable.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 <linux/mod_devicetable.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/