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 45 enum acpi_irq_model_id { 46 ACPI_IRQ_MODEL_PIC = 0, 47 ACPI_IRQ_MODEL_IOAPIC, 48 ACPI_IRQ_MODEL_IOSAPIC, 49 ACPI_IRQ_MODEL_PLATFORM, 50 ACPI_IRQ_MODEL_COUNT 51 }; 52 53 extern enum acpi_irq_model_id acpi_irq_model; 54 55 enum acpi_interrupt_id { 56 ACPI_INTERRUPT_PMI = 1, 57 ACPI_INTERRUPT_INIT, 58 ACPI_INTERRUPT_CPEI, 59 ACPI_INTERRUPT_COUNT 60 }; 61 62 #define ACPI_SPACE_MEM 0 63 64 enum acpi_address_range_id { 65 ACPI_ADDRESS_RANGE_MEMORY = 1, 66 ACPI_ADDRESS_RANGE_RESERVED = 2, 67 ACPI_ADDRESS_RANGE_ACPI = 3, 68 ACPI_ADDRESS_RANGE_NVS = 4, 69 ACPI_ADDRESS_RANGE_COUNT 70 }; 71 72 73 /* Table Handlers */ 74 75 typedef int (*acpi_table_handler) (struct acpi_table_header *table); 76 77 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); 78 79 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 80 void __acpi_unmap_table(char *map, unsigned long size); 81 int early_acpi_boot_init(void); 82 int acpi_boot_init (void); 83 void acpi_boot_table_init (void); 84 int acpi_mps_check (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 void acpi_numa_slit_init (struct acpi_table_slit *slit); 97 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 98 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_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 extern u32 acpi_irq_not_handled; 113 114 extern int sbf_port; 115 extern unsigned long acpi_realmode_flags; 116 117 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 118 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 119 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 120 121 #ifdef CONFIG_X86_IO_APIC 122 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 123 #else 124 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 125 #endif 126 /* 127 * This function undoes the effect of one call to acpi_register_gsi(). 128 * If this matches the last registration, any IRQ resources for gsi 129 * are freed. 130 */ 131 void acpi_unregister_gsi (u32 gsi); 132 133 struct pci_dev; 134 135 int acpi_pci_irq_enable (struct pci_dev *dev); 136 void acpi_penalize_isa_irq(int irq, int active); 137 138 void acpi_pci_irq_disable (struct pci_dev *dev); 139 140 struct acpi_pci_driver { 141 struct acpi_pci_driver *next; 142 int (*add)(acpi_handle handle); 143 void (*remove)(acpi_handle handle); 144 }; 145 146 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 147 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 148 149 extern int ec_read(u8 addr, u8 *val); 150 extern int ec_write(u8 addr, u8 val); 151 extern int ec_transaction(u8 command, 152 const u8 *wdata, unsigned wdata_len, 153 u8 *rdata, unsigned rdata_len); 154 extern acpi_handle ec_get_handle(void); 155 156 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 157 158 typedef void (*wmi_notify_handler) (u32 value, void *context); 159 160 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 161 u32 method_id, 162 const struct acpi_buffer *in, 163 struct acpi_buffer *out); 164 extern acpi_status wmi_query_block(const char *guid, u8 instance, 165 struct acpi_buffer *out); 166 extern acpi_status wmi_set_block(const char *guid, u8 instance, 167 const struct acpi_buffer *in); 168 extern acpi_status wmi_install_notify_handler(const char *guid, 169 wmi_notify_handler handler, void *data); 170 extern acpi_status wmi_remove_notify_handler(const char *guid); 171 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 172 extern bool wmi_has_guid(const char *guid); 173 174 #endif /* CONFIG_ACPI_WMI */ 175 176 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 177 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 178 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 179 #define ACPI_VIDEO_BACKLIGHT 0x0008 180 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 181 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 182 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 183 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 184 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 185 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 186 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 187 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 188 189 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 190 191 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 192 extern long acpi_is_video_device(struct acpi_device *device); 193 extern int acpi_video_backlight_support(void); 194 extern int acpi_video_display_switch_support(void); 195 196 #else 197 198 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 199 { 200 return 0; 201 } 202 203 static inline long acpi_is_video_device(struct acpi_device *device) 204 { 205 return 0; 206 } 207 208 static inline int acpi_video_backlight_support(void) 209 { 210 return 0; 211 } 212 213 static inline int acpi_video_display_switch_support(void) 214 { 215 return 0; 216 } 217 218 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 219 220 extern int acpi_blacklisted(void); 221 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 222 extern void acpi_osi_setup(char *str); 223 224 #ifdef CONFIG_ACPI_NUMA 225 int acpi_get_pxm(acpi_handle handle); 226 int acpi_get_node(acpi_handle *handle); 227 #else 228 static inline int acpi_get_pxm(acpi_handle handle) 229 { 230 return 0; 231 } 232 static inline int acpi_get_node(acpi_handle *handle) 233 { 234 return 0; 235 } 236 #endif 237 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 238 239 extern int pnpacpi_disabled; 240 241 #define PXM_INVAL (-1) 242 243 int acpi_check_resource_conflict(const struct resource *res); 244 245 int acpi_check_region(resource_size_t start, resource_size_t n, 246 const char *name); 247 248 int acpi_resources_are_enforced(void); 249 250 #ifdef CONFIG_PM_SLEEP 251 void __init acpi_no_s4_hw_signature(void); 252 void __init acpi_old_suspend_ordering(void); 253 void __init acpi_nvs_nosave(void); 254 #endif /* CONFIG_PM_SLEEP */ 255 256 struct acpi_osc_context { 257 char *uuid_str; /* uuid string */ 258 int rev; 259 struct acpi_buffer cap; /* arg2/arg3 */ 260 struct acpi_buffer ret; /* free by caller if success */ 261 }; 262 263 #define OSC_QUERY_TYPE 0 264 #define OSC_SUPPORT_TYPE 1 265 #define OSC_CONTROL_TYPE 2 266 267 /* _OSC DW0 Definition */ 268 #define OSC_QUERY_ENABLE 1 269 #define OSC_REQUEST_ERROR 2 270 #define OSC_INVALID_UUID_ERROR 4 271 #define OSC_INVALID_REVISION_ERROR 8 272 #define OSC_CAPABILITIES_MASK_ERROR 16 273 274 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 275 276 /* platform-wide _OSC bits */ 277 #define OSC_SB_PAD_SUPPORT 1 278 #define OSC_SB_PPC_OST_SUPPORT 2 279 #define OSC_SB_PR3_SUPPORT 4 280 #define OSC_SB_HOTPLUG_OST_SUPPORT 8 281 #define OSC_SB_APEI_SUPPORT 16 282 283 extern bool osc_sb_apei_support_acked; 284 285 /* PCI defined _OSC bits */ 286 /* _OSC DW1 Definition (OS Support Fields) */ 287 #define OSC_EXT_PCI_CONFIG_SUPPORT 1 288 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2 289 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 290 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 291 #define OSC_MSI_SUPPORT 16 292 #define OSC_PCI_SUPPORT_MASKS 0x1f 293 294 /* _OSC DW1 Definition (OS Control Fields) */ 295 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 296 #define OSC_SHPC_NATIVE_HP_CONTROL 2 297 #define OSC_PCI_EXPRESS_PME_CONTROL 4 298 #define OSC_PCI_EXPRESS_AER_CONTROL 8 299 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 300 301 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ 302 OSC_SHPC_NATIVE_HP_CONTROL | \ 303 OSC_PCI_EXPRESS_PME_CONTROL | \ 304 OSC_PCI_EXPRESS_AER_CONTROL | \ 305 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) 306 307 #define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ 308 OSC_SHPC_NATIVE_HP_CONTROL) 309 310 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 311 u32 *mask, u32 req); 312 313 /* Enable _OST when all relevant hotplug operations are enabled */ 314 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 315 (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \ 316 defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \ 317 (defined(CONFIG_ACPI_CONTAINER) || \ 318 defined(CONFIG_ACPI_CONTAINER_MODULE)) 319 #define ACPI_HOTPLUG_OST 320 #endif 321 322 /* _OST Source Event Code (OSPM Action) */ 323 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 324 #define ACPI_OST_EC_OSPM_EJECT 0x103 325 #define ACPI_OST_EC_OSPM_INSERTION 0x200 326 327 /* _OST General Processing Status Code */ 328 #define ACPI_OST_SC_SUCCESS 0x0 329 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 330 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 331 332 /* _OST OS Shutdown Processing (0x100) Status Code */ 333 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 334 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 335 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 336 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 337 338 /* _OST Ejection Request (0x3, 0x103) Status Code */ 339 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 340 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 341 #define ACPI_OST_SC_DEVICE_BUSY 0x82 342 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 343 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 344 345 /* _OST Insertion Request (0x200) Status Code */ 346 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 347 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 348 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 349 350 extern void acpi_early_init(void); 351 352 extern int acpi_nvs_register(__u64 start, __u64 size); 353 354 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 355 void *data); 356 357 #else /* !CONFIG_ACPI */ 358 359 #define acpi_disabled 1 360 361 static inline void acpi_early_init(void) { } 362 363 static inline int early_acpi_boot_init(void) 364 { 365 return 0; 366 } 367 static inline int acpi_boot_init(void) 368 { 369 return 0; 370 } 371 372 static inline void acpi_boot_table_init(void) 373 { 374 return; 375 } 376 377 static inline int acpi_mps_check(void) 378 { 379 return 0; 380 } 381 382 static inline int acpi_check_resource_conflict(struct resource *res) 383 { 384 return 0; 385 } 386 387 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 388 const char *name) 389 { 390 return 0; 391 } 392 393 struct acpi_table_header; 394 static inline int acpi_table_parse(char *id, 395 int (*handler)(struct acpi_table_header *)) 396 { 397 return -1; 398 } 399 400 static inline int acpi_nvs_register(__u64 start, __u64 size) 401 { 402 return 0; 403 } 404 405 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 406 void *data) 407 { 408 return 0; 409 } 410 411 #endif /* !CONFIG_ACPI */ 412 413 #ifdef CONFIG_ACPI 414 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 415 u32 pm1a_ctrl, u32 pm1b_ctrl)); 416 417 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 418 u32 pm1a_control, u32 pm1b_control); 419 #else 420 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 421 #endif 422 423 #endif /*_LINUX_ACPI_H*/ 424