LXR linux/include/linux/acpi.h

   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
  29#ifdef  CONFIG_ACPI
  30
  31#ifndef _LINUX
  32#define _LINUX
  33#endif
  34
  35#include <linux/list.h>
  36#include <linux/mod_devicetable.h>
  37
  38#include <acpi/acpi.h>
  39#include <acpi/acpi_bus.h>
  40#include <acpi/acpi_drivers.h>
  41#include <acpi/acpi_numa.h>
  42#include <asm/acpi.h>
  43#include <linux/dmi.h>
  44
  45
  46#ifdef CONFIG_ACPI
  47
  48enum acpi_irq_model_id {
  49        ACPI_IRQ_MODEL_PIC = 0,
  50        ACPI_IRQ_MODEL_IOAPIC,
  51        ACPI_IRQ_MODEL_IOSAPIC,
  52        ACPI_IRQ_MODEL_PLATFORM,
  53        ACPI_IRQ_MODEL_COUNT
  54};
  55
  56extern enum acpi_irq_model_id   acpi_irq_model;
  57
  58enum acpi_interrupt_id {
  59        ACPI_INTERRUPT_PMI      = 1,
  60        ACPI_INTERRUPT_INIT,
  61        ACPI_INTERRUPT_CPEI,
  62        ACPI_INTERRUPT_COUNT
  63};
  64
  65#define ACPI_SPACE_MEM          0
  66
  67enum acpi_address_range_id {
  68        ACPI_ADDRESS_RANGE_MEMORY = 1,
  69        ACPI_ADDRESS_RANGE_RESERVED = 2,
  70        ACPI_ADDRESS_RANGE_ACPI = 3,
  71        ACPI_ADDRESS_RANGE_NVS  = 4,
  72        ACPI_ADDRESS_RANGE_COUNT
  73};
  74
  75
  76/* Table Handlers */
  77
  78typedef int (*acpi_table_handler) (struct acpi_table_header *table);
  79
  80typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
  81
  82char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
  83unsigned long acpi_find_rsdp (void);
  84int acpi_boot_init (void);
  85int acpi_boot_table_init (void);
  86int acpi_numa_init (void);
  87
  88int acpi_table_init (void);
  89int acpi_table_parse (char *id, acpi_table_handler handler);
  90int __init acpi_table_parse_entries(char *id, unsigned long table_size,
  91        int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
  92int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
  93int acpi_parse_mcfg (struct acpi_table_header *header);
  94void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
  95
  96/* the following four functions are architecture-dependent */
  97#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
  98#define NR_NODE_MEMBLKS MAX_NUMNODES
  99#define acpi_numa_slit_init(slit) do {} while (0)
 100#define acpi_numa_processor_affinity_init(pa) do {} while (0)
 101#define acpi_numa_memory_affinity_init(ma) do {} while (0)
 102#define acpi_numa_arch_fixup() do {} while (0)
 103#else
 104void acpi_numa_slit_init (struct acpi_table_slit *slit);
 105void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 106void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 107void acpi_numa_arch_fixup(void);
 108#endif
 109
 110#ifdef CONFIG_ACPI_HOTPLUG_CPU
 111/* Arch dependent functions for cpu hotplug support */
 112int acpi_map_lsapic(acpi_handle handle, int *pcpu);
 113int acpi_unmap_lsapic(int cpu);
 114#endif /* CONFIG_ACPI_HOTPLUG_CPU */
 115
 116int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 117int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 118
 119extern int acpi_mp_config;
 120
 121extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 122extern int pci_mmcfg_config_num;
 123
 124extern int sbf_port;
 125extern unsigned long acpi_realmode_flags;
 126
 127#else   /* !CONFIG_ACPI */
 128
 129#define acpi_mp_config  0
 130
 131#endif  /* !CONFIG_ACPI */
 132
 133int acpi_register_gsi (u32 gsi, int triggering, int polarity);
 134int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 135
 136#ifdef CONFIG_X86_IO_APIC
 137extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
 138#else
 139#define acpi_get_override_irq(bus, trigger, polarity) (-1)
 140#endif
 141/*
 142 * This function undoes the effect of one call to acpi_register_gsi().
 143 * If this matches the last registration, any IRQ resources for gsi
 144 * are freed.
 145 */
 146void acpi_unregister_gsi (u32 gsi);
 147
 148#ifdef CONFIG_ACPI
 149
 150struct acpi_prt_entry {
 151        struct list_head        node;
 152        struct acpi_pci_id      id;
 153        u8                      pin;
 154        struct {
 155                acpi_handle             handle;
 156                u32                     index;
 157        }                       link;
 158        u32                     irq;
 159};
 160
 161struct acpi_prt_list {
 162        int                     count;
 163        struct list_head        entries;
 164};
 165
 166struct pci_dev;
 167
 168int acpi_pci_irq_enable (struct pci_dev *dev);
 169void acpi_penalize_isa_irq(int irq, int active);
 170
 171void acpi_pci_irq_disable (struct pci_dev *dev);
 172
 173struct acpi_pci_driver {
 174        struct acpi_pci_driver *next;
 175        int (*add)(acpi_handle handle);
 176        void (*remove)(acpi_handle handle);
 177};
 178
 179int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 180void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
 181
 182#endif /* CONFIG_ACPI */
 183
 184#ifdef CONFIG_ACPI_EC
 185
 186extern int ec_read(u8 addr, u8 *val);
 187extern int ec_write(u8 addr, u8 val);
 188extern int ec_transaction(u8 command,
 189                          const u8 *wdata, unsigned wdata_len,
 190                          u8 *rdata, unsigned rdata_len,
 191                          int force_poll);
 192
 193#endif /*CONFIG_ACPI_EC*/
 194
 195extern int acpi_blacklisted(void);
 196#ifdef CONFIG_DMI
 197extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 198#endif
 199
 200#ifdef CONFIG_ACPI_NUMA
 201int acpi_get_pxm(acpi_handle handle);
 202int acpi_get_node(acpi_handle *handle);
 203#else
 204static inline int acpi_get_pxm(acpi_handle handle)
 205{
 206        return 0;
 207}
 208static inline int acpi_get_node(acpi_handle *handle)
 209{
 210        return 0;
 211}
 212#endif
 213extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 214
 215extern int pnpacpi_disabled;
 216
 217#define PXM_INVAL       (-1)
 218#define NID_INVAL       (-1)
 219
 220#else   /* CONFIG_ACPI */
 221
 222static inline int acpi_boot_init(void)
 223{
 224        return 0;
 225}
 226
 227static inline int acpi_boot_table_init(void)
 228{
 229        return 0;
 230}
 231
 232#endif  /* !CONFIG_ACPI */
 233#endif  /*_LINUX_ACPI_H*/
 234