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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

#ifndef _LINUX
#define _LINUX
#endif

#ifdef LENB

#else
#include <linux/list.h>

#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <asm/acpi.h>
#endif // !LENB


#ifdef CONFIG_ACPI_BOOT

enum acpi_irq_model_id {
      ACPI_IRQ_MODEL_PIC = 0,
      ACPI_IRQ_MODEL_IOAPIC,
      ACPI_IRQ_MODEL_IOSAPIC,
      ACPI_IRQ_MODEL_COUNT
};

extern enum acpi_irq_model_id acpi_irq_model;


/* Root System Description Pointer (RSDP) */

struct acpi_table_rsdp {
      char              signature[8];
      u8                checksum;
      char              oem_id[6];
      u8                revision;
      u32               rsdt_address;
} __attribute__ ((packed));

struct acpi20_table_rsdp {
      char              signature[8];
      u8                checksum;
      char              oem_id[6];
      u8                revision;
      u32               rsdt_address;
      u32               length;
      u64               xsdt_address;
      u8                ext_checksum;
      u8                reserved[3];
} __attribute__ ((packed));

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

/* Root System Description Table (RSDT) */

struct acpi_table_rsdt {
      struct acpi_table_header header;
      u32               entry[1];
} __attribute__ ((packed));

/* Extended System Description Table (XSDT) */

struct acpi_table_xsdt {
      struct acpi_table_header header;
      u64               entry[1];
} __attribute__ ((packed));

/* Fixed ACPI Description Table (FADT) */

struct acpi_table_fadt {
      struct acpi_table_header header;
      u32 facs_addr;
      u32 dsdt_addr;
      /* ... */
} __attribute__ ((packed));

/* Multiple APIC Description Table (MADT) */

struct acpi_table_madt {
      struct acpi_table_header header;
      u32               lapic_address;
      struct {
            u32               pcat_compat:1;
            u32               reserved:31;
      }                 flags;
} __attribute__ ((packed));

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;
      u32               reserved;
} __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));

struct acpi_table_hpet {
      struct acpi_table_header header;
      u32 id;
      struct acpi_gen_regaddr addr;
      u8 number;
      u16 min_tick;
      u8 page_protect;
} __attribute__ ((packed));

#ifndef LENB
/*
 * System Resource Affinity Table (SRAT)
 *   see http://www.microsoft.com/hwdev/design/srat.htm
 */

struct acpi_table_srat {
      struct acpi_table_header header;
      u32               table_revision;
      u64               reserved;
} __attribute__ ((packed));

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
};

/*
 * System Locality Information Table (SLIT)
 *   see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
 */

struct acpi_table_slit {
      struct acpi_table_header header;
      u64               localities;
      u8                entry[1];   /* real size = localities^2 */
} __attribute__ ((packed));

/* Smart Battery Description Table (SBST) */

struct acpi_table_sbst {
      struct acpi_table_header header;
      u32               warning;    /* Warn user */
      u32               low;        /* Critical sleep */
      u32               critical;   /* Critical shutdown */
} __attribute__ ((packed));

/* Embedded Controller Boot Resources Table (ECDT) */

struct acpi_table_ecdt {
      struct acpi_table_header      header;
      struct acpi_generic_address   ec_control;
      struct acpi_generic_address   ec_data;
      u32                     uid;
      u8                      gpe_bit;
      char                    ec_id[0];
} __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_TABLE_COUNT
};

typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);

extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];

typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header);

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

int acpi_table_init (void);
int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler);
int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler);
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 */
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 // !LENB

#endif /*CONFIG_ACPI_BOOT*/


#ifdef CONFIG_ACPI_PCI

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;
};

extern struct acpi_prt_list   acpi_prt;

struct pci_dev;

int acpi_pci_irq_enable (struct pci_dev *dev);
int acpi_pci_irq_init (void);

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_PCI*/

#ifdef CONFIG_ACPI_EC

int ec_read(u8 addr, u8 *val);
int ec_write(u8 addr, u8 val);

#endif /*CONFIG_ACPI_EC*/

#ifdef CONFIG_ACPI

int acpi_init(void);
int acpi_blacklisted(void);

#endif /*CONFIG_ACPI*/
///#endif //_LINUX

#endif /*_LINUX_ACPI_H*/

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