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
  48 enum 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
  56 extern enum acpi_irq_model_id   acpi_irq_model;
  57
  58 enum 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
  67 enum 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
  78 typedef int (*acpi_table_handler) (struct acpi_table_header *table);
  79
  80 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
  81
  82 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
  83 int acpi_boot_init (void);
  84 int acpi_boot_table_init (void);
  85 int acpi_numa_init (void);
  86
  87 int acpi_table_init (void);
  88 int acpi_table_parse (char *id, acpi_table_handler handler);
  89 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
  90         int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
  91 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
  92 int acpi_parse_mcfg (struct acpi_table_header *header);
  93 void 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
 103 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 104 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 105 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 106 void acpi_numa_arch_fixup(void);
 107 #endif
 108
 109 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 110 /* Arch dependent functions for cpu hotplug support */
 111 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
 112 int acpi_unmap_lsapic(int cpu);
 113 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 114
 115 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 116 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 117 void acpi_irq_stats_init(void);
 118
 119 extern u32 acpi_irq_handled;
 120 extern int acpi_mp_config;
 121
 122 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 123 extern int pci_mmcfg_config_num;
 124
 125 extern int sbf_port;
 126 extern unsigned long acpi_realmode_flags;
 127
 128 #else   /* !CONFIG_ACPI */
 129
 130 #define acpi_mp_config  0
 131
 132 #endif  /* !CONFIG_ACPI */
 133
 134 int acpi_register_gsi (u32 gsi, int triggering, int polarity);
 135 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 136
 137 #ifdef CONFIG_X86_IO_APIC
 138 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
 139 #else
 140 #define acpi_get_override_irq(bus, trigger, polarity) (-1)
 141 #endif
 142 /*
 143  * This function undoes the effect of one call to acpi_register_gsi().
 144  * If this matches the last registration, any IRQ resources for gsi
 145  * are freed.
 146  */
 147 void acpi_unregister_gsi (u32 gsi);
 148
 149 #ifdef CONFIG_ACPI
 150
 151 struct acpi_prt_entry {
 152         struct list_head        node;
 153         struct acpi_pci_id      id;
 154         u8                      pin;
 155         struct {
 156                 acpi_handle             handle;
 157                 u32                     index;
 158         }                       link;
 159         u32                     irq;
 160 };
 161
 162 struct acpi_prt_list {
 163         int                     count;
 164         struct list_head        entries;
 165 };
 166
 167 struct pci_dev;
 168
 169 int acpi_pci_irq_enable (struct pci_dev *dev);
 170 void acpi_penalize_isa_irq(int irq, int active);
 171
 172 void acpi_pci_irq_disable (struct pci_dev *dev);
 173
 174 struct acpi_pci_driver {
 175         struct acpi_pci_driver *next;
 176         int (*add)(acpi_handle handle);
 177         void (*remove)(acpi_handle handle);
 178 };
 179
 180 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 181 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
 182
 183 #endif /* CONFIG_ACPI */
 184
 185 #ifdef CONFIG_ACPI_EC
 186
 187 extern int ec_read(u8 addr, u8 *val);
 188 extern int ec_write(u8 addr, u8 val);
 189 extern int ec_transaction(u8 command,
 190                           const u8 *wdata, unsigned wdata_len,
 191                           u8 *rdata, unsigned rdata_len,
 192                           int force_poll);
 193
 194 #endif /*CONFIG_ACPI_EC*/
 195
 196 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 197
 198 typedef void (*wmi_notify_handler) (u32 value, void *context);
 199
 200 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 201                                         u32 method_id,
 202                                         const struct acpi_buffer *in,
 203                                         struct acpi_buffer *out);
 204 extern acpi_status wmi_query_block(const char *guid, u8 instance,
 205                                         struct acpi_buffer *out);
 206 extern acpi_status wmi_set_block(const char *guid, u8 instance,
 207                                         const struct acpi_buffer *in);
 208 extern acpi_status wmi_install_notify_handler(const char *guid,
 209                                         wmi_notify_handler handler, void *data);
 210 extern acpi_status wmi_remove_notify_handler(const char *guid);
 211 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 212 extern bool wmi_has_guid(const char *guid);
 213
 214 #endif  /* CONFIG_ACPI_WMI */
 215
 216 extern int acpi_blacklisted(void);
 217 #ifdef CONFIG_DMI
 218 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 219 #endif
 220
 221 #ifdef CONFIG_ACPI_NUMA
 222 int acpi_get_pxm(acpi_handle handle);
 223 int acpi_get_node(acpi_handle *handle);
 224 #else
 225 static inline int acpi_get_pxm(acpi_handle handle)
 226 {
 227         return 0;
 228 }
 229 static inline int acpi_get_node(acpi_handle *handle)
 230 {
 231         return 0;
 232 }
 233 #endif
 234 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 235
 236 extern int pnpacpi_disabled;
 237
 238 #define PXM_INVAL       (-1)
 239 #define NID_INVAL       (-1)
 240
 241 #else   /* CONFIG_ACPI */
 242
 243 static inline int acpi_boot_init(void)
 244 {
 245         return 0;
 246 }
 247
 248 static inline int acpi_boot_table_init(void)
 249 {
 250         return 0;
 251 }
 252
 253 #endif  /* !CONFIG_ACPI */
 254 #endif  /*_LINUX_ACPI_H*/