1 /* 2 * acpi.h - ACPI Interface 3 * 4 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 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 47 enum 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 55 extern enum acpi_irq_model_id acpi_irq_model; 56 57 enum 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 66 enum 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 77 typedef int (*acpi_table_handler) (struct acpi_table_header *table); 78 79 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); 80 81 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 82 int early_acpi_boot_init(void); 83 int acpi_boot_init (void); 84 int acpi_boot_table_init (void); 85 int acpi_mps_check (void); 86 int acpi_numa_init (void); 87 88 int acpi_table_init (void); 89 int acpi_table_parse (char *id, acpi_table_handler handler); 90 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 91 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); 92 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); 93 int acpi_parse_mcfg (struct acpi_table_header *header); 94 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 95 96 /* the following four functions are architecture-dependent */ 97 void acpi_numa_slit_init (struct acpi_table_slit *slit); 98 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 99 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 100 void acpi_numa_arch_fixup(void); 101 102 #ifdef CONFIG_ACPI_HOTPLUG_CPU 103 /* Arch dependent functions for cpu hotplug support */ 104 int acpi_map_lsapic(acpi_handle handle, int *pcpu); 105 int acpi_unmap_lsapic(int cpu); 106 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 107 108 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 109 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 110 void acpi_irq_stats_init(void); 111 extern u32 acpi_irq_handled; 112 113 extern struct acpi_mcfg_allocation *pci_mmcfg_config; 114 extern int pci_mmcfg_config_num; 115 116 extern int sbf_port; 117 extern unsigned long acpi_realmode_flags; 118 119 int acpi_register_gsi (u32 gsi, int triggering, int polarity); 120 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 121 122 #ifdef CONFIG_X86_IO_APIC 123 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); 124 #else 125 #define acpi_get_override_irq(bus, trigger, polarity) (-1) 126 #endif 127 /* 128 * This function undoes the effect of one call to acpi_register_gsi(). 129 * If this matches the last registration, any IRQ resources for gsi 130 * are freed. 131 */ 132 void acpi_unregister_gsi (u32 gsi); 133 134 struct acpi_prt_entry { 135 struct list_head node; 136 struct acpi_pci_id id; 137 u8 pin; 138 struct { 139 acpi_handle handle; 140 u32 index; 141 } link; 142 u32 irq; 143 }; 144 145 struct acpi_prt_list { 146 int count; 147 struct list_head entries; 148 }; 149 150 struct pci_dev; 151 152 int acpi_pci_irq_enable (struct pci_dev *dev); 153 void acpi_penalize_isa_irq(int irq, int active); 154 155 void acpi_pci_irq_disable (struct pci_dev *dev); 156 157 struct acpi_pci_driver { 158 struct acpi_pci_driver *next; 159 int (*add)(acpi_handle handle); 160 void (*remove)(acpi_handle handle); 161 }; 162 163 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 164 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 165 166 #ifdef CONFIG_ACPI_EC 167 168 extern int ec_read(u8 addr, u8 *val); 169 extern int ec_write(u8 addr, u8 val); 170 extern int ec_transaction(u8 command, 171 const u8 *wdata, unsigned wdata_len, 172 u8 *rdata, unsigned rdata_len, 173 int force_poll); 174 175 #endif /*CONFIG_ACPI_EC*/ 176 177 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 178 179 typedef void (*wmi_notify_handler) (u32 value, void *context); 180 181 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 182 u32 method_id, 183 const struct acpi_buffer *in, 184 struct acpi_buffer *out); 185 extern acpi_status wmi_query_block(const char *guid, u8 instance, 186 struct acpi_buffer *out); 187 extern acpi_status wmi_set_block(const char *guid, u8 instance, 188 const struct acpi_buffer *in); 189 extern acpi_status wmi_install_notify_handler(const char *guid, 190 wmi_notify_handler handler, void *data); 191 extern acpi_status wmi_remove_notify_handler(const char *guid); 192 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 193 extern bool wmi_has_guid(const char *guid); 194 195 #endif /* CONFIG_ACPI_WMI */ 196 197 extern int acpi_blacklisted(void); 198 #ifdef CONFIG_DMI 199 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 200 extern int acpi_osi_setup(char *str); 201 #endif 202 203 #ifdef CONFIG_ACPI_NUMA 204 int acpi_get_pxm(acpi_handle handle); 205 int acpi_get_node(acpi_handle *handle); 206 #else 207 static inline int acpi_get_pxm(acpi_handle handle) 208 { 209 return 0; 210 } 211 static inline int acpi_get_node(acpi_handle *handle) 212 { 213 return 0; 214 } 215 #endif 216 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 217 218 extern int pnpacpi_disabled; 219 220 #define PXM_INVAL (-1) 221 #define NID_INVAL (-1) 222 223 int acpi_check_resource_conflict(struct resource *res); 224 225 int acpi_check_region(resource_size_t start, resource_size_t n, 226 const char *name); 227 int acpi_check_mem_region(resource_size_t start, resource_size_t n, 228 const char *name); 229 230 #ifdef CONFIG_PM_SLEEP 231 void __init acpi_no_s4_hw_signature(void); 232 void __init acpi_old_suspend_ordering(void); 233 #endif /* CONFIG_PM_SLEEP */ 234 #else /* CONFIG_ACPI */ 235 236 static inline int early_acpi_boot_init(void) 237 { 238 return 0; 239 } 240 static inline int acpi_boot_init(void) 241 { 242 return 0; 243 } 244 245 static inline int acpi_boot_table_init(void) 246 { 247 return 0; 248 } 249 250 static inline int acpi_mps_check(void) 251 { 252 return 0; 253 } 254 255 static inline int acpi_check_resource_conflict(struct resource *res) 256 { 257 return 0; 258 } 259 260 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 261 const char *name) 262 { 263 return 0; 264 } 265 266 static inline int acpi_check_mem_region(resource_size_t start, 267 resource_size_t n, const char *name) 268 { 269 return 0; 270 } 271 272 #endif /* !CONFIG_ACPI */ 273 #endif /*_LINUX_ACPI_H*/ 274