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/*
* 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;
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_table_parse_srat (enum acpi_srat_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);
void acpi_table_print_srat_entry (struct acpi_subtable_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_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_video_flags;
extern unsigned long s2ram_beep;
#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;
#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*/
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