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#include <linux/ioport.h>       /* for struct resource */
  29
  30#ifdef  CONFIG_ACPI
  31
  32#ifndef _LINUX
  33#define _LINUX
  34#endif
  35
  36#include <linux/list.h>
  37#include <linux/mod_devicetable.h>
  38
  39#include <acpi/acpi.h>
  40#include <acpi/acpi_bus.h>
  41#include <acpi/acpi_drivers.h>
  42#include <acpi/acpi_numa.h>
  43#include <asm/acpi.h>
  44#include <linux/dmi.h>
  45
  46
  47enum acpi_irq_model_id {
  48        ACPI_IRQ_MODEL_PIC = 0,
  49        ACPI_IRQ_MODEL_IOAPIC,
  50        ACPI_IRQ_MODEL_IOSAPIC,
  51        ACPI_IRQ_MODEL_PLATFORM,
  52        ACPI_IRQ_MODEL_COUNT
  53};
  54
  55extern enum acpi_irq_model_id   acpi_irq_model;
  56
  57enum acpi_interrupt_id {
  58        ACPI_INTERRUPT_PMI      = 1,
  59        ACPI_INTERRUPT_INIT,
  60        ACPI_INTERRUPT_CPEI,
  61        ACPI_INTERRUPT_COUNT
  62};
  63
  64#define ACPI_SPACE_MEM          0
  65
  66enum acpi_address_range_id {
  67        ACPI_ADDRESS_RANGE_MEMORY = 1,
  68        ACPI_ADDRESS_RANGE_RESERVED = 2,
  69        ACPI_ADDRESS_RANGE_ACPI = 3,
  70        ACPI_ADDRESS_RANGE_NVS  = 4,
  71        ACPI_ADDRESS_RANGE_COUNT
  72};
  73
  74
  75/* Table Handlers */
  76
  77typedef int (*acpi_table_handler) (struct acpi_table_header *table);
  78
  79typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
  80
  81char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
  82int early_acpi_boot_init(void);
  83int acpi_boot_init (void);
  84int acpi_boot_table_init (void);
  85int acpi_numa_init (void);
  86
  87int acpi_table_init (void);
  88int acpi_table_parse (char *id, acpi_table_handler handler);
  89int __init acpi_table_parse_entries(char *id, unsigned long table_size,
  90        int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
  91int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
  92int acpi_parse_mcfg (struct acpi_table_header *header);
  93void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
  94
  95/* the following four functions are architecture-dependent */
  96#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
  97#define NR_NODE_MEMBLKS MAX_NUMNODES
  98#define acpi_numa_slit_init(slit) do {} while (0)
  99#define acpi_numa_processor_affinity_init(pa) do {} while (0)
 100#define acpi_numa_memory_affinity_init(ma) do {} while (0)
 101#define acpi_numa_arch_fixup() do {} while (0)
 102#else
 103void acpi_numa_slit_init (struct acpi_table_slit *slit);
 104void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 105void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 106void acpi_numa_arch_fixup(void);
 107#endif
 108
 109#ifdef CONFIG_ACPI_HOTPLUG_CPU
 110/* Arch dependent functions for cpu hotplug support */
 111int acpi_map_lsapic(acpi_handle handle, int *pcpu);
 112int acpi_unmap_lsapic(int cpu);
 113#endif /* CONFIG_ACPI_HOTPLUG_CPU */
 114
 115int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 116int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 117void acpi_irq_stats_init(void);
 118extern u32 acpi_irq_handled;
 119
 120extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 121extern int pci_mmcfg_config_num;
 122
 123extern int sbf_port;
 124extern unsigned long acpi_realmode_flags;
 125
 126int acpi_register_gsi (u32 gsi, int triggering, int polarity);
 127int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 128
 129#ifdef CONFIG_X86_IO_APIC
 130extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
 131#else
 132#define acpi_get_override_irq(bus, trigger, polarity) (-1)
 133#endif
 134/*
 135 * This function undoes the effect of one call to acpi_register_gsi().
 136 * If this matches the last registration, any IRQ resources for gsi
 137 * are freed.
 138 */
 139void acpi_unregister_gsi (u32 gsi);
 140
 141struct acpi_prt_entry {
 142        struct list_head        node;
 143        struct acpi_pci_id      id;
 144        u8                      pin;
 145        struct {
 146                acpi_handle             handle;
 147                u32                     index;
 148        }                       link;
 149        u32                     irq;
 150};
 151
 152struct acpi_prt_list {
 153        int                     count;
 154        struct list_head        entries;
 155};
 156
 157struct pci_dev;
 158
 159int acpi_pci_irq_enable (struct pci_dev *dev);
 160void acpi_penalize_isa_irq(int irq, int active);
 161
 162void acpi_pci_irq_disable (struct pci_dev *dev);
 163
 164struct acpi_pci_driver {
 165        struct acpi_pci_driver *next;
 166        int (*add)(acpi_handle handle);
 167        void (*remove)(acpi_handle handle);
 168};
 169
 170int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 171void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
 172
 173#ifdef CONFIG_ACPI_EC
 174
 175extern int ec_read(u8 addr, u8 *val);
 176extern int ec_write(u8 addr, u8 val);
 177extern int ec_transaction(u8 command,
 178                          const u8 *wdata, unsigned wdata_len,
 179                          u8 *rdata, unsigned rdata_len,
 180                          int force_poll);
 181
 182#endif /*CONFIG_ACPI_EC*/
 183
 184#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 185
 186typedef void (*wmi_notify_handler) (u32 value, void *context);
 187
 188extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 189                                        u32 method_id,
 190                                        const struct acpi_buffer *in,
 191                                        struct acpi_buffer *out);
 192extern acpi_status wmi_query_block(const char *guid, u8 instance,
 193                                        struct acpi_buffer *out);
 194extern acpi_status wmi_set_block(const char *guid, u8 instance,
 195                                        const struct acpi_buffer *in);
 196extern acpi_status wmi_install_notify_handler(const char *guid,
 197                                        wmi_notify_handler handler, void *data);
 198extern acpi_status wmi_remove_notify_handler(const char *guid);
 199extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 200extern bool wmi_has_guid(const char *guid);
 201
 202#endif  /* CONFIG_ACPI_WMI */
 203
 204extern int acpi_blacklisted(void);
 205#ifdef CONFIG_DMI
 206extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 207extern int acpi_osi_setup(char *str);
 208#endif
 209
 210#ifdef CONFIG_ACPI_NUMA
 211int acpi_get_pxm(acpi_handle handle);
 212int acpi_get_node(acpi_handle *handle);
 213#else
 214static inline int acpi_get_pxm(acpi_handle handle)
 215{
 216        return 0;
 217}
 218static inline int acpi_get_node(acpi_handle *handle)
 219{
 220        return 0;
 221}
 222#endif
 223extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 224
 225extern int pnpacpi_disabled;
 226
 227#define PXM_INVAL       (-1)
 228#define NID_INVAL       (-1)
 229
 230int acpi_check_resource_conflict(struct resource *res);
 231
 232int acpi_check_region(resource_size_t start, resource_size_t n,
 233                      const char *name);
 234int acpi_check_mem_region(resource_size_t start, resource_size_t n,
 235                      const char *name);
 236
 237#else   /* CONFIG_ACPI */
 238
 239static inline int early_acpi_boot_init(void)
 240{
 241        return 0;
 242}
 243static inline int acpi_boot_init(void)
 244{
 245        return 0;
 246}
 247
 248static inline int acpi_boot_table_init(void)
 249{
 250        return 0;
 251}
 252
 253static inline int acpi_check_resource_conflict(struct resource *res)
 254{
 255        return 0;
 256}
 257
 258static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 259                                    const char *name)
 260{
 261        return 0;
 262}
 263
 264static inline int acpi_check_mem_region(resource_size_t start,
 265                                        resource_size_t n, const char *name)
 266{
 267        return 0;
 268}
 269
 270#endif  /* !CONFIG_ACPI */
 271#endif  /*_LINUX_ACPI_H*/
 272