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#ifndef _ASM_IA64_ACPI_EXT_H
#define _ASM_IA64_ACPI_EXT_H
/*
* Advanced Configuration and Power Infterface
* Based on 'ACPI Specification 1.0b' Febryary 2, 1999
* and 'IA-64 Extensions to the ACPI Specification' Rev 0.6
*
* Copyright (C) 1999 VA Linux Systems
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
* Copyright (C) 2000 Intel Corp.
* Copyright (C) 2000 J.I. Lee <jung-ik.lee@intel.com>
* ACPI 2.0 specification
*/
#include <linux/types.h>
#pragma pack(1)
#define ACPI_RSDP_SIG "RSD PTR " /* Trailing space required */
#define ACPI_RSDP_SIG_LEN 8
typedef struct {
char signature[8];
u8 checksum;
char oem_id[6];
u8 revision;
u32 rsdt;
u32 lenth;
struct acpi_xsdt *xsdt;
u8 ext_checksum;
u8 reserved[3];
} acpi20_rsdp_t;
typedef struct {
char signature[4];
u32 length;
u8 revision;
u8 checksum;
char oem_id[6];
char oem_table_id[8];
u32 oem_revision;
u32 creator_id;
u32 creator_revision;
} acpi_desc_table_hdr_t;
#define ACPI_RSDT_SIG "RSDT"
#define ACPI_RSDT_SIG_LEN 4
typedef struct {
acpi_desc_table_hdr_t header;
u8 reserved[4];
u32 entry_ptrs[1]; /* Not really . . . */
} acpi20_rsdt_t;
#define ACPI_XSDT_SIG "XSDT"
#define ACPI_XSDT_SIG_LEN 4
typedef struct acpi_xsdt {
acpi_desc_table_hdr_t header;
unsigned long entry_ptrs[1]; /* Not really . . . */
} acpi_xsdt_t;
/* Common structures for ACPI 2.0 and 0.71 */
typedef struct acpi_entry_iosapic {
u8 type;
u8 length;
u8 id;
u8 reserved;
u32 irq_base; /* start of IRQ's this IOSAPIC is responsible for. */
unsigned long address; /* Address of this IOSAPIC */
} acpi_entry_iosapic_t;
/* Local SAPIC flags */
#define LSAPIC_ENABLED (1<<0)
#define LSAPIC_PERFORMANCE_RESTRICTED (1<<1)
#define LSAPIC_PRESENT (1<<2)
/* Defines legacy IRQ->pin mapping */
typedef struct {
u8 type;
u8 length;
u8 bus; /* Constant 0 == ISA */
u8 isa_irq; /* ISA IRQ # */
u32 pin; /* called vector in spec; really IOSAPIC pin number */
u16 flags; /* Edge/Level trigger & High/Low active */
} acpi_entry_int_override_t;
#define INT_OVERRIDE_ACTIVE_LOW 0x03
#define INT_OVERRIDE_LEVEL_TRIGGER 0x0d
/* IA64 ext 0.71 */
typedef struct {
char signature[8];
u8 checksum;
char oem_id[6];
char reserved; /* Must be 0 */
struct acpi_rsdt *rsdt;
} acpi_rsdp_t;
typedef struct {
acpi_desc_table_hdr_t header;
u8 reserved[4];
unsigned long entry_ptrs[1]; /* Not really . . . */
} acpi_rsdt_t;
#define ACPI_SAPIC_SIG "SPIC"
#define ACPI_SAPIC_SIG_LEN 4
typedef struct {
acpi_desc_table_hdr_t header;
u8 reserved[4];
unsigned long interrupt_block;
} acpi_sapic_t;
/* SAPIC structure types */
#define ACPI_ENTRY_LOCAL_SAPIC 0
#define ACPI_ENTRY_IO_SAPIC 1
#define ACPI_ENTRY_INT_SRC_OVERRIDE 2
#define ACPI_ENTRY_PLATFORM_INT_SOURCE 3 /* Unimplemented */
typedef struct acpi_entry_lsapic {
u8 type;
u8 length;
u16 acpi_processor_id;
u16 flags;
u8 id;
u8 eid;
} acpi_entry_lsapic_t;
typedef struct {
u8 type;
u8 length;
u16 flags;
u8 int_type;
u8 id;
u8 eid;
u8 iosapic_vector;
u8 reserved[4];
u32 global_vector;
} acpi_entry_platform_src_t;
/* ACPI 2.0 with 1.3 errata specific structures */
#define ACPI_MADT_SIG "APIC"
#define ACPI_MADT_SIG_LEN 4
typedef struct {
acpi_desc_table_hdr_t header;
u32 lapic_address;
u32 flags;
} acpi_madt_t;
/* acpi 2.0 MADT structure types */
#define ACPI20_ENTRY_LOCAL_APIC 0
#define ACPI20_ENTRY_IO_APIC 1
#define ACPI20_ENTRY_INT_SRC_OVERRIDE 2
#define ACPI20_ENTRY_NMI_SOURCE 3
#define ACPI20_ENTRY_LOCAL_APIC_NMI 4
#define ACPI20_ENTRY_LOCAL_APIC_ADDR_OVERRIDE 5
#define ACPI20_ENTRY_IO_SAPIC 6
#define ACPI20_ENTRY_LOCAL_SAPIC 7
#define ACPI20_ENTRY_PLATFORM_INT_SOURCE 8
typedef struct acpi20_entry_lsapic {
u8 type;
u8 length;
u8 acpi_processor_id;
u8 id;
u8 eid;
u8 reserved[3];
u32 flags;
} acpi20_entry_lsapic_t;
typedef struct acpi20_entry_lapic_addr_override {
u8 type;
u8 length;
u8 reserved[2];
unsigned long lapic_address;
} acpi20_entry_lapic_addr_override_t;
typedef struct {
u8 type;
u8 length;
u16 flags;
u8 int_type;
u8 id;
u8 eid;
u8 iosapic_vector;
u32 global_vector;
} acpi20_entry_platform_src_t;
extern int acpi20_parse(acpi20_rsdp_t *);
extern int acpi_parse(acpi_rsdp_t *);
extern const char *acpi_get_sysname (void);
extern void (*acpi_idle) (void); /* power-management idle function, if any */
#pragma pack()
#endif /* _ASM_IA64_ACPI_EXT_H */
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