[mirror_ubuntu-bionic-kernel.git] / 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.
 *
 * 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;

typedef struct {
	u8			type;
	u8			length;
} __attribute__ ((packed)) acpi_table_entry_header;

/* Multiple APIC Description Table (MADT) */

enum acpi_madt_entry_id {
	ACPI_MADT_LAPIC = 0,
	ACPI_MADT_IOAPIC,
	ACPI_MADT_INT_SRC_OVR,
	ACPI_MADT_NMI_SRC,
	ACPI_MADT_LAPIC_NMI,
	ACPI_MADT_LAPIC_ADDR_OVR,
	ACPI_MADT_IOSAPIC,
	ACPI_MADT_LSAPIC,
	ACPI_MADT_PLAT_INT_SRC,
	ACPI_MADT_ENTRY_COUNT
};

typedef struct {
	u16			polarity:2;
	u16			trigger:2;
	u16			reserved:12;
} __attribute__ ((packed)) acpi_interrupt_flags;

struct acpi_table_lapic {
	acpi_table_entry_header	header;
	u8			acpi_id;
	u8			id;
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

struct acpi_table_ioapic {
	acpi_table_entry_header	header;
	u8			id;
	u8			reserved;
	u32			address;
	u32			global_irq_base;
} __attribute__ ((packed));

struct acpi_table_int_src_ovr {
	acpi_table_entry_header	header;
	u8			bus;
	u8			bus_irq;
	u32			global_irq;
	acpi_interrupt_flags	flags;
} __attribute__ ((packed));

struct acpi_table_nmi_src {
	acpi_table_entry_header	header;
	acpi_interrupt_flags	flags;
	u32			global_irq;
} __attribute__ ((packed));

struct acpi_table_lapic_nmi {
	acpi_table_entry_header	header;
	u8			acpi_id;
	acpi_interrupt_flags	flags;
	u8			lint;
} __attribute__ ((packed));

struct acpi_table_lapic_addr_ovr {
	acpi_table_entry_header	header;
	u8			reserved[2];
	u64			address;
} __attribute__ ((packed));

struct acpi_table_iosapic {
	acpi_table_entry_header	header;
	u8			id;
	u8			reserved;
	u32			global_irq_base;
	u64			address;
} __attribute__ ((packed));

struct acpi_table_lsapic {
	acpi_table_entry_header	header;
	u8			acpi_id;
	u8			id;
	u8			eid;
	u8			reserved[3];
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

struct acpi_table_plat_int_src {
	acpi_table_entry_header	header;
	acpi_interrupt_flags	flags;
	u8			type;	/* See acpi_interrupt_type */
	u8			id;
	u8			eid;
	u8			iosapic_vector;
	u32			global_irq;
	struct {
		u32			cpei_override_flag:1;
		u32			reserved:31;
	}			plint_flags;
} __attribute__ ((packed));

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

#define	ACPI_SPACE_MEM		0

struct acpi_gen_regaddr {
	u8  space_id;
	u8  bit_width;
	u8  bit_offset;
	u8  resv;
	u32 addrl;
	u32 addrh;
} __attribute__ ((packed));

/*
 * Simple Boot Flags
 * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
 */
struct acpi_table_sbf
{
	u8 sbf_signature[4];
	u32 sbf_len;
	u8 sbf_revision;
	u8 sbf_csum;
	u8 sbf_oemid[6];
	u8 sbf_oemtable[8];
	u8 sbf_revdata[4];
	u8 sbf_creator[4];
	u8 sbf_crearev[4];
	u8 sbf_cmos;
	u8 sbf_spare[3];
} __attribute__ ((packed));

/*
 * System Resource Affinity Table (SRAT)
 * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
 */

enum acpi_srat_entry_id {
	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
	ACPI_SRAT_MEMORY_AFFINITY,
	ACPI_SRAT_ENTRY_COUNT
};

struct acpi_table_processor_affinity {
	acpi_table_entry_header	header;
	u8			proximity_domain;
	u8			apic_id;
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
	u8			lsapic_eid;
	u8			reserved[7];
} __attribute__ ((packed));

struct acpi_table_memory_affinity {
	acpi_table_entry_header	header;
	u8			proximity_domain;
	u8			reserved1[5];
	u32			base_addr_lo;
	u32			base_addr_hi;
	u32			length_lo;
	u32			length_hi;
	u32			memory_type;	/* See acpi_address_range_id */
	struct {
		u32			enabled:1;
		u32			hot_pluggable:1;
		u32			reserved:30;
	}			flags;
	u64			reserved2;
} __attribute__ ((packed));

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
};


/* PCI MMCONFIG */

/* Defined in PCI Firmware Specification 3.0 */
struct acpi_table_mcfg_config {
	u32				base_address;
	u32				base_reserved;
	u16				pci_segment_group_number;
	u8				start_bus_number;
	u8				end_bus_number;
	u8				reserved[4];
} __attribute__ ((packed));

/* Table Handlers */

enum acpi_table_id {
	ACPI_TABLE_UNKNOWN = 0,
	ACPI_APIC,
	ACPI_BOOT,
	ACPI_DBGP,
	ACPI_DSDT,
	ACPI_ECDT,
	ACPI_ETDT,
	ACPI_FADT,
	ACPI_FACS,
	ACPI_OEMX,
	ACPI_PSDT,
	ACPI_SBST,
	ACPI_SLIT,
	ACPI_SPCR,
	ACPI_SRAT,
	ACPI_SSDT,
	ACPI_SPMI,
	ACPI_HPET,
	ACPI_MCFG,
	ACPI_TABLE_COUNT
};

typedef int (*acpi_table_handler) (struct acpi_table_header *header);

extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];

typedef int (*acpi_madt_entry_handler) (acpi_table_entry_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 acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
int acpi_parse_mcfg (struct acpi_table_header *header);
void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
void acpi_table_print_srat_entry (acpi_table_entry_header *srat);

/* 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_table_processor_affinity *pa);
void acpi_numa_memory_affinity_init (struct acpi_table_memory_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_table_mcfg_config *pci_mmcfg_config;
extern int pci_mmcfg_config_num;

extern int sbf_port;
extern unsigned long acpi_video_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);

#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;

#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*/
Commit	Line	Data
1da177e4 LT	1	/*
	2	* acpi.h - ACPI Interface
	3	*
	4	* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
	5	*
	6	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*
	22	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	23	*/
	24
	25	#ifndef _LINUX_ACPI_H
	26	#define _LINUX_ACPI_H
	27
3f5948fa	28
25be5e6c LB	29	#ifdef CONFIG_ACPI
25be5e6c LB	30
1da177e4 LT	31	#ifndef _LINUX
	32	#define _LINUX
	33	#endif
	34
	35	#include <linux/list.h>
	36
	37	#include <acpi/acpi.h>
	38	#include <acpi/acpi_bus.h>
	39	#include <acpi/acpi_drivers.h>
762834e8	40	#include <acpi/acpi_numa.h>
1da177e4 LT	41	#include <asm/acpi.h>
	42
	43
888ba6c6	44	#ifdef CONFIG_ACPI
1da177e4 LT	45
	46	enum acpi_irq_model_id {
	47	ACPI_IRQ_MODEL_PIC = 0,
	48	ACPI_IRQ_MODEL_IOAPIC,
	49	ACPI_IRQ_MODEL_IOSAPIC,
3948ec94	50	ACPI_IRQ_MODEL_PLATFORM,
1da177e4 LT	51	ACPI_IRQ_MODEL_COUNT
	52	};
	53
	54	extern enum acpi_irq_model_id acpi_irq_model;
	55
1da177e4 LT	56	typedef struct {
	57	u8 type;
	58	u8 length;
	59	} __attribute__ ((packed)) acpi_table_entry_header;
	60
1da177e4 LT	61	/* Multiple APIC Description Table (MADT) */
1da177e4 LT	62
1da177e4 LT	63	enum acpi_madt_entry_id {
	64	ACPI_MADT_LAPIC = 0,
	65	ACPI_MADT_IOAPIC,
	66	ACPI_MADT_INT_SRC_OVR,
	67	ACPI_MADT_NMI_SRC,
	68	ACPI_MADT_LAPIC_NMI,
	69	ACPI_MADT_LAPIC_ADDR_OVR,
	70	ACPI_MADT_IOSAPIC,
	71	ACPI_MADT_LSAPIC,
	72	ACPI_MADT_PLAT_INT_SRC,
	73	ACPI_MADT_ENTRY_COUNT
	74	};
	75
	76	typedef struct {
	77	u16 polarity:2;
	78	u16 trigger:2;
	79	u16 reserved:12;
	80	} __attribute__ ((packed)) acpi_interrupt_flags;
	81
	82	struct acpi_table_lapic {
	83	acpi_table_entry_header header;
	84	u8 acpi_id;
	85	u8 id;
	86	struct {
	87	u32 enabled:1;
	88	u32 reserved:31;
	89	} flags;
	90	} __attribute__ ((packed));
	91
	92	struct acpi_table_ioapic {
	93	acpi_table_entry_header header;
	94	u8 id;
	95	u8 reserved;
	96	u32 address;
	97	u32 global_irq_base;
	98	} __attribute__ ((packed));
	99
	100	struct acpi_table_int_src_ovr {
	101	acpi_table_entry_header header;
	102	u8 bus;
	103	u8 bus_irq;
	104	u32 global_irq;
	105	acpi_interrupt_flags flags;
	106	} __attribute__ ((packed));
	107
	108	struct acpi_table_nmi_src {
	109	acpi_table_entry_header header;
	110	acpi_interrupt_flags flags;
	111	u32 global_irq;
	112	} __attribute__ ((packed));
	113
	114	struct acpi_table_lapic_nmi {
	115	acpi_table_entry_header header;
	116	u8 acpi_id;
	117	acpi_interrupt_flags flags;
	118	u8 lint;
	119	} __attribute__ ((packed));
	120
	121	struct acpi_table_lapic_addr_ovr {
	122	acpi_table_entry_header header;
	123	u8 reserved[2];
	124	u64 address;
	125	} __attribute__ ((packed));
	126
127	struct acpi_table_iosapic {
128	acpi_table_entry_header header;
129	u8 id;
130	u8 reserved;
131	u32 global_irq_base;
132	u64 address;
133	} __attribute__ ((packed));
134
135	struct acpi_table_lsapic {
136	acpi_table_entry_header header;
137	u8 acpi_id;
138	u8 id;
139	u8 eid;
140	u8 reserved[3];
141	struct {
142	u32 enabled:1;
143	u32 reserved:31;
144	} flags;
145	} __attribute__ ((packed));
146
147	struct acpi_table_plat_int_src {
148	acpi_table_entry_header header;
149	acpi_interrupt_flags flags;
150	u8 type; /* See acpi_interrupt_type */
151	u8 id;
152	u8 eid;
153	u8 iosapic_vector;
154	u32 global_irq;
55e59c51 AR	155	struct {
	156	u32 cpei_override_flag:1;
	157	u32 reserved:31;
	158	} plint_flags;
1da177e4 LT	159	} __attribute__ ((packed));
	160
	161	enum acpi_interrupt_id {
	162	ACPI_INTERRUPT_PMI = 1,
	163	ACPI_INTERRUPT_INIT,
	164	ACPI_INTERRUPT_CPEI,
	165	ACPI_INTERRUPT_COUNT
	166	};
	167
	168	#define ACPI_SPACE_MEM 0
	169
	170	struct acpi_gen_regaddr {
	171	u8 space_id;
	172	u8 bit_width;
	173	u8 bit_offset;
	174	u8 resv;
	175	u32 addrl;
	176	u32 addrh;
	177	} __attribute__ ((packed));
	178
1da177e4 LT	179	/*
	180	* Simple Boot Flags
	181	* http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
	182	*/
	183	struct acpi_table_sbf
	184	{
	185	u8 sbf_signature[4];
	186	u32 sbf_len;
	187	u8 sbf_revision;
	188	u8 sbf_csum;
	189	u8 sbf_oemid[6];
	190	u8 sbf_oemtable[8];
	191	u8 sbf_revdata[4];
	192	u8 sbf_creator[4];
	193	u8 sbf_crearev[4];
	194	u8 sbf_cmos;
	195	u8 sbf_spare[3];
	196	} __attribute__ ((packed));
	197
	198	/*
	199	* System Resource Affinity Table (SRAT)
	200	* http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
	201	*/
	202
1da177e4 LT	203	enum acpi_srat_entry_id {
	204	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
	205	ACPI_SRAT_MEMORY_AFFINITY,
	206	ACPI_SRAT_ENTRY_COUNT
	207	};
	208
	209	struct acpi_table_processor_affinity {
	210	acpi_table_entry_header header;
	211	u8 proximity_domain;
	212	u8 apic_id;
	213	struct {
	214	u32 enabled:1;
	215	u32 reserved:31;
	216	} flags;
	217	u8 lsapic_eid;
	218	u8 reserved[7];
	219	} __attribute__ ((packed));
	220
	221	struct acpi_table_memory_affinity {
	222	acpi_table_entry_header header;
	223	u8 proximity_domain;
	224	u8 reserved1[5];
	225	u32 base_addr_lo;
	226	u32 base_addr_hi;
	227	u32 length_lo;
	228	u32 length_hi;
	229	u32 memory_type; /* See acpi_address_range_id */
	230	struct {
	231	u32 enabled:1;
	232	u32 hot_pluggable:1;
	233	u32 reserved:30;
	234	} flags;
	235	u64 reserved2;
	236	} __attribute__ ((packed));
	237
	238	enum acpi_address_range_id {
	239	ACPI_ADDRESS_RANGE_MEMORY = 1,
	240	ACPI_ADDRESS_RANGE_RESERVED = 2,
	241	ACPI_ADDRESS_RANGE_ACPI = 3,
	242	ACPI_ADDRESS_RANGE_NVS = 4,
	243	ACPI_ADDRESS_RANGE_COUNT
	244	};
	245
1da177e4 LT	246
	247	/* PCI MMCONFIG */
	248
54549391 GKH	249	/* Defined in PCI Firmware Specification 3.0 */
	250	struct acpi_table_mcfg_config {
	251	u32 base_address;
	252	u32 base_reserved;
	253	u16 pci_segment_group_number;
	254	u8 start_bus_number;
	255	u8 end_bus_number;
	256	u8 reserved[4];
	257	} __attribute__ ((packed));
1da177e4 LT	258
	259	/* Table Handlers */
	260
	261	enum acpi_table_id {
	262	ACPI_TABLE_UNKNOWN = 0,
	263	ACPI_APIC,
	264	ACPI_BOOT,
	265	ACPI_DBGP,
	266	ACPI_DSDT,
	267	ACPI_ECDT,
	268	ACPI_ETDT,
	269	ACPI_FADT,
	270	ACPI_FACS,
	271	ACPI_OEMX,
	272	ACPI_PSDT,
	273	ACPI_SBST,
	274	ACPI_SLIT,
	275	ACPI_SPCR,
	276	ACPI_SRAT,
	277	ACPI_SSDT,
	278	ACPI_SPMI,
	279	ACPI_HPET,
	280	ACPI_MCFG,
	281	ACPI_TABLE_COUNT
	282	};
	283
ceb6c468	284	typedef int (acpi_table_handler) (struct acpi_table_header header);
1da177e4 LT	285
	286	extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
	287
	288	typedef int (acpi_madt_entry_handler) (acpi_table_entry_header header, const unsigned long end);
	289
	290	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
	291	unsigned long acpi_find_rsdp (void);
	292	int acpi_boot_init (void);
	293	int acpi_boot_table_init (void);
	294	int acpi_numa_init (void);
	295
	296	int acpi_table_init (void);
ceb6c468	297	int acpi_table_parse (char *id, acpi_table_handler handler);
1da177e4 LT	298	int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
1da177e4 LT	299	int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
ceb6c468	300	int acpi_parse_mcfg (struct acpi_table_header *header);
1da177e4 LT	301	void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
	302	void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
	303	void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
	304
	305	/* the following four functions are architecture-dependent */
762834e8 YG	306	#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
	307	#define NR_NODE_MEMBLKS MAX_NUMNODES
	308	#define acpi_numa_slit_init(slit) do {} while (0)
	309	#define acpi_numa_processor_affinity_init(pa) do {} while (0)
	310	#define acpi_numa_memory_affinity_init(ma) do {} while (0)
	311	#define acpi_numa_arch_fixup() do {} while (0)
	312	#else
1da177e4 LT	313	void acpi_numa_slit_init (struct acpi_table_slit *slit);
	314	void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
	315	void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
	316	void acpi_numa_arch_fixup(void);
762834e8	317	#endif
1da177e4 LT	318
	319	#ifdef CONFIG_ACPI_HOTPLUG_CPU
	320	/* Arch dependent functions for cpu hotplug support */
	321	int acpi_map_lsapic(acpi_handle handle, int *pcpu);
	322	int acpi_unmap_lsapic(int cpu);
	323	#endif /* CONFIG_ACPI_HOTPLUG_CPU */
	324
b1bb248a KK	325	int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
	326	int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
	327
1da177e4 LT	328	extern int acpi_mp_config;
1da177e4 LT	329
54549391 GKH	330	extern struct acpi_table_mcfg_config *pci_mmcfg_config;
54549391 GKH	331	extern int pci_mmcfg_config_num;
1da177e4	332
c255d844 PM	333	extern int sbf_port;
c255d844 PM	334	extern unsigned long acpi_video_flags;
1da177e4	335
888ba6c6	336	#else /* !CONFIG_ACPI */
1da177e4 LT	337
	338	#define acpi_mp_config 0
	339
888ba6c6	340	#endif /* !CONFIG_ACPI */
1da177e4	341
50eca3eb	342	int acpi_register_gsi (u32 gsi, int triggering, int polarity);
1da177e4 LT	343	int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
	344
	345	/*
	346	* This function undoes the effect of one call to acpi_register_gsi().
	347	* If this matches the last registration, any IRQ resources for gsi
	348	* are freed.
	349	*/
1da177e4	350	void acpi_unregister_gsi (u32 gsi);
1da177e4	351
6153df7b	352	#ifdef CONFIG_ACPI
1da177e4 LT	353
	354	struct acpi_prt_entry {
	355	struct list_head node;
	356	struct acpi_pci_id id;
	357	u8 pin;
	358	struct {
	359	acpi_handle handle;
	360	u32 index;
	361	} link;
	362	u32 irq;
	363	};
	364
	365	struct acpi_prt_list {
	366	int count;
	367	struct list_head entries;
	368	};
	369
	370	struct pci_dev;
	371
	372	int acpi_pci_irq_enable (struct pci_dev *dev);
c9c3e457	373	void acpi_penalize_isa_irq(int irq, int active);
1da177e4	374
1da177e4	375	void acpi_pci_irq_disable (struct pci_dev *dev);
1da177e4 LT	376
	377	struct acpi_pci_driver {
	378	struct acpi_pci_driver *next;
	379	int (*add)(acpi_handle handle);
	380	void (*remove)(acpi_handle handle);
	381	};
	382
	383	int acpi_pci_register_driver(struct acpi_pci_driver *driver);
	384	void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
	385
6153df7b	386	#endif /* CONFIG_ACPI */
1da177e4 LT	387
	388	#ifdef CONFIG_ACPI_EC
	389
	390	extern int ec_read(u8 addr, u8 *val);
	391	extern int ec_write(u8 addr, u8 val);
d7a76e4c LP	392	extern int ec_transaction(u8 command,
	393	const u8 *wdata, unsigned wdata_len,
	394	u8 *rdata, unsigned rdata_len);
1da177e4 LT	395
	396	#endif /CONFIG_ACPI_EC/
	397
1da177e4 LT	398	extern int acpi_blacklisted(void);
	399	extern void acpi_bios_year(char *s);
	400
1da177e4 LT	401	#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
	402	#ifdef CONFIG_ACPI
	403
	404	/*
	405	* Set highest legal C-state
	406	* 0: C0 okay, but not C1
	407	* 1: C1 okay, but not C2
	408	* 2: C2 okay, but not C3 etc.
	409	*/
	410
	411	extern unsigned int max_cstate;
	412
	413	static inline unsigned int acpi_get_cstate_limit(void)
	414	{
	415	return max_cstate;
	416	}
	417	static inline void acpi_set_cstate_limit(unsigned int new_limit)
	418	{
	419	max_cstate = new_limit;
	420	return;
	421	}
	422	#else
	423	static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
	424	static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
	425	#endif
	426
	427	#ifdef CONFIG_ACPI_NUMA
	428	int acpi_get_pxm(acpi_handle handle);
1e3590e2	429	int acpi_get_node(acpi_handle *handle);
1da177e4 LT	430	#else
	431	static inline int acpi_get_pxm(acpi_handle handle)
	432	{
	433	return 0;
	434	}
1e3590e2 YG	435	static inline int acpi_get_node(acpi_handle *handle)
	436	{
	437	return 0;
	438	}
1da177e4	439	#endif
1e3590e2	440	extern int acpi_paddr_to_node(u64 start_addr, u64 size);
1da177e4 LT	441
	442	extern int pnpacpi_disabled;
	443
53de49f5 AM	444	#else /* CONFIG_ACPI */
	445
	446	static inline int acpi_boot_init(void)
	447	{
	448	return 0;
	449	}
	450
	451	static inline int acpi_boot_table_init(void)
	452	{
	453	return 0;
	454	}
	455
25be5e6c LB	456	#endif /* CONFIG_ACPI */
25be5e6c LB	457	#endif /_LINUX_ACPI_H/