WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/acpi.h

Rev	Author	Line No.	Line
422	giacomo	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
		28	#ifndef _LINUX
		29	#define _LINUX
		30	#endif
		31
		32	#include <linux/list.h>
		33
		34	#include <acpi/acpi.h>
		35	#include <acpi/acpi_bus.h>
		36	#include <acpi/acpi_drivers.h>
		37	#include <asm/acpi.h>
		38
		39
		40	#ifdef CONFIG_ACPI_BOOT
		41
		42	enum acpi_irq_model_id {
		43	ACPI_IRQ_MODEL_PIC = 0,
		44	ACPI_IRQ_MODEL_IOAPIC,
		45	ACPI_IRQ_MODEL_IOSAPIC,
		46	ACPI_IRQ_MODEL_COUNT
		47	};
		48
		49	extern enum acpi_irq_model_id acpi_irq_model;
		50
		51
		52	/* Root System Description Pointer (RSDP) */
		53
		54	struct acpi_table_rsdp {
		55	char signature[8];
		56	u8 checksum;
		57	char oem_id[6];
		58	u8 revision;
		59	u32 rsdt_address;
		60	} __attribute__ ((packed));
		61
		62	struct acpi20_table_rsdp {
		63	char signature[8];
		64	u8 checksum;
		65	char oem_id[6];
		66	u8 revision;
		67	u32 rsdt_address;
		68	u32 length;
		69	u64 xsdt_address;
		70	u8 ext_checksum;
		71	u8 reserved[3];
		72	} __attribute__ ((packed));
		73
		74	typedef struct {
		75	u8 type;
		76	u8 length;
		77	} __attribute__ ((packed)) acpi_table_entry_header;
		78
		79	/* Root System Description Table (RSDT) */
		80
		81	struct acpi_table_rsdt {
		82	struct acpi_table_header header;
		83	u32 entry[8];
		84	} __attribute__ ((packed));
		85
		86	/* Extended System Description Table (XSDT) */
		87
		88	struct acpi_table_xsdt {
		89	struct acpi_table_header header;
		90	u64 entry[1];
		91	} __attribute__ ((packed));
		92
		93	/* Fixed ACPI Description Table (FADT) */
		94
		95	struct acpi_table_fadt {
		96	struct acpi_table_header header;
		97	u32 facs_addr;
		98	u32 dsdt_addr;
		99	/* ... */
		100	} __attribute__ ((packed));
		101
		102	/* Multiple APIC Description Table (MADT) */
		103
		104	struct acpi_table_madt {
		105	struct acpi_table_header header;
		106	u32 lapic_address;
		107	struct {
		108	u32 pcat_compat:1;
		109	u32 reserved:31;
		110	} flags;
		111	} __attribute__ ((packed));
		112
		113	enum acpi_madt_entry_id {
		114	ACPI_MADT_LAPIC = 0,
		115	ACPI_MADT_IOAPIC,
		116	ACPI_MADT_INT_SRC_OVR,
		117	ACPI_MADT_NMI_SRC,
		118	ACPI_MADT_LAPIC_NMI,
		119	ACPI_MADT_LAPIC_ADDR_OVR,
		120	ACPI_MADT_IOSAPIC,
		121	ACPI_MADT_LSAPIC,
		122	ACPI_MADT_PLAT_INT_SRC,
		123	ACPI_MADT_ENTRY_COUNT
		124	};
		125
		126	typedef struct {
		127	u16 polarity:2;
		128	u16 trigger:2;
		129	u16 reserved:12;
		130	} __attribute__ ((packed)) acpi_interrupt_flags;
		131
		132	struct acpi_table_lapic {
		133	acpi_table_entry_header header;
		134	u8 acpi_id;
		135	u8 id;
		136	struct {
		137	u32 enabled:1;
		138	u32 reserved:31;
		139	} flags;
		140	} __attribute__ ((packed));
		141
		142	struct acpi_table_ioapic {
		143	acpi_table_entry_header header;
		144	u8 id;
		145	u8 reserved;
		146	u32 address;
		147	u32 global_irq_base;
		148	} __attribute__ ((packed));
		149
		150	struct acpi_table_int_src_ovr {
		151	acpi_table_entry_header header;
		152	u8 bus;
		153	u8 bus_irq;
		154	u32 global_irq;
		155	acpi_interrupt_flags flags;
		156	} __attribute__ ((packed));
		157
		158	struct acpi_table_nmi_src {
		159	acpi_table_entry_header header;
		160	acpi_interrupt_flags flags;
		161	u32 global_irq;
		162	} __attribute__ ((packed));
		163
		164	struct acpi_table_lapic_nmi {
		165	acpi_table_entry_header header;
		166	u8 acpi_id;
		167	acpi_interrupt_flags flags;
		168	u8 lint;
		169	} __attribute__ ((packed));
		170
		171	struct acpi_table_lapic_addr_ovr {
		172	acpi_table_entry_header header;
		173	u8 reserved[2];
		174	u64 address;
		175	} __attribute__ ((packed));
		176
		177	struct acpi_table_iosapic {
		178	acpi_table_entry_header header;
		179	u8 id;
		180	u8 reserved;
		181	u32 global_irq_base;
		182	u64 address;
		183	} __attribute__ ((packed));
		184
		185	struct acpi_table_lsapic {
		186	acpi_table_entry_header header;
		187	u8 acpi_id;
		188	u8 id;
		189	u8 eid;
		190	u8 reserved[3];
		191	struct {
		192	u32 enabled:1;
		193	u32 reserved:31;
		194	} flags;
		195	} __attribute__ ((packed));
		196
		197	struct acpi_table_plat_int_src {
		198	acpi_table_entry_header header;
		199	acpi_interrupt_flags flags;
		200	u8 type; /* See acpi_interrupt_type */
		201	u8 id;
		202	u8 eid;
		203	u8 iosapic_vector;
		204	u32 global_irq;
		205	u32 reserved;
		206	} __attribute__ ((packed));
		207
		208	enum acpi_interrupt_id {
		209	ACPI_INTERRUPT_PMI = 1,
		210	ACPI_INTERRUPT_INIT,
		211	ACPI_INTERRUPT_CPEI,
		212	ACPI_INTERRUPT_COUNT
		213	};
		214
		215	#define ACPI_SPACE_MEM 0
		216
		217	struct acpi_gen_regaddr {
		218	u8 space_id;
		219	u8 bit_width;
		220	u8 bit_offset;
		221	u8 resv;
		222	u32 addrl;
		223	u32 addrh;
		224	} __attribute__ ((packed));
		225
		226	struct acpi_table_hpet {
		227	struct acpi_table_header header;
		228	u32 id;
		229	struct acpi_gen_regaddr addr;
		230	u8 number;
		231	u16 min_tick;
		232	u8 page_protect;
		233	} __attribute__ ((packed));
		234
		235	/*
		236	* System Resource Affinity Table (SRAT)
		237	* see http://www.microsoft.com/hwdev/design/srat.htm
		238	*/
		239
		240	struct acpi_table_srat {
		241	struct acpi_table_header header;
		242	u32 table_revision;
		243	u64 reserved;
		244	} __attribute__ ((packed));
		245
		246	enum acpi_srat_entry_id {
		247	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
		248	ACPI_SRAT_MEMORY_AFFINITY,
		249	ACPI_SRAT_ENTRY_COUNT
		250	};
		251
		252	struct acpi_table_processor_affinity {
		253	acpi_table_entry_header header;
		254	u8 proximity_domain;
		255	u8 apic_id;
		256	struct {
		257	u32 enabled:1;
		258	u32 reserved:31;
		259	} flags;
		260	u8 lsapic_eid;
		261	u8 reserved[7];
		262	} __attribute__ ((packed));
		263
		264	struct acpi_table_memory_affinity {
		265	acpi_table_entry_header header;
		266	u8 proximity_domain;
		267	u8 reserved1[5];
		268	u32 base_addr_lo;
		269	u32 base_addr_hi;
		270	u32 length_lo;
		271	u32 length_hi;
		272	u32 memory_type; /* See acpi_address_range_id */
		273	struct {
		274	u32 enabled:1;
		275	u32 hot_pluggable:1;
		276	u32 reserved:30;
		277	} flags;
		278	u64 reserved2;
		279	} __attribute__ ((packed));
		280
		281	enum acpi_address_range_id {
		282	ACPI_ADDRESS_RANGE_MEMORY = 1,
		283	ACPI_ADDRESS_RANGE_RESERVED = 2,
		284	ACPI_ADDRESS_RANGE_ACPI = 3,
		285	ACPI_ADDRESS_RANGE_NVS = 4,
		286	ACPI_ADDRESS_RANGE_COUNT
		287	};
		288
		289	/*
		290	* System Locality Information Table (SLIT)
		291	* see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
		292	*/
		293
		294	struct acpi_table_slit {
		295	struct acpi_table_header header;
		296	u64 localities;
		297	u8 entry[1]; /* real size = localities^2 */
		298	} __attribute__ ((packed));
		299
		300	/* Smart Battery Description Table (SBST) */
		301
		302	struct acpi_table_sbst {
		303	struct acpi_table_header header;
		304	u32 warning; /* Warn user */
		305	u32 low; /* Critical sleep */
		306	u32 critical; /* Critical shutdown */
		307	} __attribute__ ((packed));
		308
		309	/* Embedded Controller Boot Resources Table (ECDT) */
		310
		311	struct acpi_table_ecdt {
		312	struct acpi_table_header header;
		313	struct acpi_generic_address ec_control;
		314	struct acpi_generic_address ec_data;
		315	u32 uid;
		316	u8 gpe_bit;
		317	char ec_id[0];
		318	} __attribute__ ((packed));
		319
		320	/* Table Handlers */
		321
		322	enum acpi_table_id {
		323	ACPI_TABLE_UNKNOWN = 0,
		324	ACPI_APIC,
		325	ACPI_BOOT,
		326	ACPI_DBGP,
		327	ACPI_DSDT,
		328	ACPI_ECDT,
		329	ACPI_ETDT,
		330	ACPI_FADT,
		331	ACPI_FACS,
		332	ACPI_OEMX,
		333	ACPI_PSDT,
		334	ACPI_SBST,
		335	ACPI_SLIT,
		336	ACPI_SPCR,
		337	ACPI_SRAT,
		338	ACPI_SSDT,
		339	ACPI_SPMI,
		340	ACPI_HPET,
		341	ACPI_TABLE_COUNT
		342	};
		343
		344	typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
		345
		346	extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
		347
		348	typedef int (acpi_madt_entry_handler) (acpi_table_entry_header header);
		349
		350	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
		351	unsigned long acpi_find_rsdp (void);
		352	int acpi_boot_init (void);
		353	int acpi_numa_init (void);
		354
		355	int acpi_table_init (void);
		356	int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
		357	int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
		358	int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler);
		359	int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler);
		360	void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
		361	void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
		362	void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
		363
		364	/* the following four functions are architecture-dependent */
		365	void acpi_numa_slit_init (struct acpi_table_slit *slit);
		366	void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
		367	void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
		368	void acpi_numa_arch_fixup(void);
		369
		370	extern int acpi_mp_config;
		371
		372	#else /!CONFIG_ACPI_BOOT/
		373
		374	#define acpi_mp_config 0
		375
		376	static inline int acpi_boot_init(void)
		377	{
		378	return 0;
		379	}
		380
		381	#endif /!CONFIG_ACPI_BOOT/
		382
		383
		384	#ifdef CONFIG_ACPI_PCI
		385
		386	struct acpi_prt_entry {
		387	struct list_head node;
		388	struct acpi_pci_id id;
		389	u8 pin;
		390	struct {
		391	acpi_handle handle;
		392	u32 index;
		393	} link;
		394	u32 irq;
		395	};
		396
		397	struct acpi_prt_list {
		398	int count;
		399	struct list_head entries;
		400	};
		401
		402	extern struct acpi_prt_list acpi_prt;
		403
		404	struct pci_dev;
		405
		406	int acpi_pci_irq_enable (struct pci_dev *dev);
		407	int acpi_pci_irq_init (void);
		408
		409	struct acpi_pci_driver {
		410	struct acpi_pci_driver *next;
		411	int (*add)(acpi_handle handle);
		412	void (*remove)(acpi_handle handle);
		413	};
		414
		415	int acpi_pci_register_driver(struct acpi_pci_driver *driver);
		416	void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
		417
		418	#endif /CONFIG_ACPI_PCI/
		419
		420	#ifdef CONFIG_ACPI_EC
		421
		422	int ec_read(u8 addr, u8 *val);
		423	int ec_write(u8 addr, u8 val);
		424
		425	#endif /CONFIG_ACPI_EC/
		426
		427	#ifdef CONFIG_ACPI_INTERPRETER
		428
		429	int acpi_blacklisted(void);
		430
		431	#else /!CONFIG_ACPI_INTERPRETER/
		432
		433	static inline int acpi_blacklisted(void)
		434	{
		435	return 0;
		436	}
		437
		438	#endif /!CONFIG_ACPI_INTERPRETER/
		439
		440	#endif /_LINUX_ACPI_H/

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