| 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 | |
| 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 | int 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 list_head node; |
| 142 | int (*add)(struct acpi_pci_root *root); |
| 143 | void (*remove)(struct acpi_pci_root *root); |
| 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 void acpi_video_dmi_promote_vendor(void); |
| 194 | extern void acpi_video_dmi_demote_vendor(void); |
| 195 | extern int acpi_video_backlight_support(void); |
| 196 | extern int acpi_video_display_switch_support(void); |
| 197 | |
| 198 | #else |
| 199 | |
| 200 | static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) |
| 201 | { |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | static inline long acpi_is_video_device(struct acpi_device *device) |
| 206 | { |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | static inline void acpi_video_dmi_promote_vendor(void) |
| 211 | { |
| 212 | } |
| 213 | |
| 214 | static inline void acpi_video_dmi_demote_vendor(void) |
| 215 | { |
| 216 | } |
| 217 | |
| 218 | static inline int acpi_video_backlight_support(void) |
| 219 | { |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | static inline int acpi_video_display_switch_support(void) |
| 224 | { |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ |
| 229 | |
| 230 | extern int acpi_blacklisted(void); |
| 231 | extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); |
| 232 | extern void acpi_osi_setup(char *str); |
| 233 | |
| 234 | #ifdef CONFIG_ACPI_NUMA |
| 235 | int acpi_get_pxm(acpi_handle handle); |
| 236 | int acpi_get_node(acpi_handle *handle); |
| 237 | #else |
| 238 | static inline int acpi_get_pxm(acpi_handle handle) |
| 239 | { |
| 240 | return 0; |
| 241 | } |
| 242 | static inline int acpi_get_node(acpi_handle *handle) |
| 243 | { |
| 244 | return 0; |
| 245 | } |
| 246 | #endif |
| 247 | extern int acpi_paddr_to_node(u64 start_addr, u64 size); |
| 248 | |
| 249 | extern int pnpacpi_disabled; |
| 250 | |
| 251 | #define PXM_INVAL (-1) |
| 252 | |
| 253 | int acpi_check_resource_conflict(const struct resource *res); |
| 254 | |
| 255 | int acpi_check_region(resource_size_t start, resource_size_t n, |
| 256 | const char *name); |
| 257 | |
| 258 | int acpi_resources_are_enforced(void); |
| 259 | |
| 260 | #ifdef CONFIG_PM_SLEEP |
| 261 | void __init acpi_no_s4_hw_signature(void); |
| 262 | void __init acpi_old_suspend_ordering(void); |
| 263 | void __init acpi_nvs_nosave(void); |
| 264 | #endif /* CONFIG_PM_SLEEP */ |
| 265 | |
| 266 | struct acpi_osc_context { |
| 267 | char *uuid_str; /* uuid string */ |
| 268 | int rev; |
| 269 | struct acpi_buffer cap; /* arg2/arg3 */ |
| 270 | struct acpi_buffer ret; /* free by caller if success */ |
| 271 | }; |
| 272 | |
| 273 | #define OSC_QUERY_TYPE 0 |
| 274 | #define OSC_SUPPORT_TYPE 1 |
| 275 | #define OSC_CONTROL_TYPE 2 |
| 276 | |
| 277 | /* _OSC DW0 Definition */ |
| 278 | #define OSC_QUERY_ENABLE 1 |
| 279 | #define OSC_REQUEST_ERROR 2 |
| 280 | #define OSC_INVALID_UUID_ERROR 4 |
| 281 | #define OSC_INVALID_REVISION_ERROR 8 |
| 282 | #define OSC_CAPABILITIES_MASK_ERROR 16 |
| 283 | |
| 284 | acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); |
| 285 | |
| 286 | /* platform-wide _OSC bits */ |
| 287 | #define OSC_SB_PAD_SUPPORT 1 |
| 288 | #define OSC_SB_PPC_OST_SUPPORT 2 |
| 289 | #define OSC_SB_PR3_SUPPORT 4 |
| 290 | #define OSC_SB_HOTPLUG_OST_SUPPORT 8 |
| 291 | #define OSC_SB_APEI_SUPPORT 16 |
| 292 | |
| 293 | extern bool osc_sb_apei_support_acked; |
| 294 | |
| 295 | /* PCI defined _OSC bits */ |
| 296 | /* _OSC DW1 Definition (OS Support Fields) */ |
| 297 | #define OSC_EXT_PCI_CONFIG_SUPPORT 1 |
| 298 | #define OSC_ACTIVE_STATE_PWR_SUPPORT 2 |
| 299 | #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 |
| 300 | #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 |
| 301 | #define OSC_MSI_SUPPORT 16 |
| 302 | #define OSC_PCI_SUPPORT_MASKS 0x1f |
| 303 | |
| 304 | /* _OSC DW1 Definition (OS Control Fields) */ |
| 305 | #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 |
| 306 | #define OSC_SHPC_NATIVE_HP_CONTROL 2 |
| 307 | #define OSC_PCI_EXPRESS_PME_CONTROL 4 |
| 308 | #define OSC_PCI_EXPRESS_AER_CONTROL 8 |
| 309 | #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 |
| 310 | |
| 311 | #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ |
| 312 | OSC_SHPC_NATIVE_HP_CONTROL | \ |
| 313 | OSC_PCI_EXPRESS_PME_CONTROL | \ |
| 314 | OSC_PCI_EXPRESS_AER_CONTROL | \ |
| 315 | OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) |
| 316 | |
| 317 | #define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ |
| 318 | OSC_SHPC_NATIVE_HP_CONTROL) |
| 319 | |
| 320 | extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, |
| 321 | u32 *mask, u32 req); |
| 322 | |
| 323 | /* Enable _OST when all relevant hotplug operations are enabled */ |
| 324 | #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ |
| 325 | (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \ |
| 326 | defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \ |
| 327 | (defined(CONFIG_ACPI_CONTAINER) || \ |
| 328 | defined(CONFIG_ACPI_CONTAINER_MODULE)) |
| 329 | #define ACPI_HOTPLUG_OST |
| 330 | #endif |
| 331 | |
| 332 | /* _OST Source Event Code (OSPM Action) */ |
| 333 | #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 |
| 334 | #define ACPI_OST_EC_OSPM_EJECT 0x103 |
| 335 | #define ACPI_OST_EC_OSPM_INSERTION 0x200 |
| 336 | |
| 337 | /* _OST General Processing Status Code */ |
| 338 | #define ACPI_OST_SC_SUCCESS 0x0 |
| 339 | #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 |
| 340 | #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 |
| 341 | |
| 342 | /* _OST OS Shutdown Processing (0x100) Status Code */ |
| 343 | #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 |
| 344 | #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 |
| 345 | #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 |
| 346 | #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 |
| 347 | |
| 348 | /* _OST Ejection Request (0x3, 0x103) Status Code */ |
| 349 | #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 |
| 350 | #define ACPI_OST_SC_DEVICE_IN_USE 0x81 |
| 351 | #define ACPI_OST_SC_DEVICE_BUSY 0x82 |
| 352 | #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 |
| 353 | #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 |
| 354 | |
| 355 | /* _OST Insertion Request (0x200) Status Code */ |
| 356 | #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 |
| 357 | #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 |
| 358 | #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 |
| 359 | |
| 360 | extern void acpi_early_init(void); |
| 361 | |
| 362 | extern int acpi_nvs_register(__u64 start, __u64 size); |
| 363 | |
| 364 | extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), |
| 365 | void *data); |
| 366 | |
| 367 | #else /* !CONFIG_ACPI */ |
| 368 | |
| 369 | #define acpi_disabled 1 |
| 370 | |
| 371 | static inline void acpi_early_init(void) { } |
| 372 | |
| 373 | static inline int early_acpi_boot_init(void) |
| 374 | { |
| 375 | return 0; |
| 376 | } |
| 377 | static inline int acpi_boot_init(void) |
| 378 | { |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | static inline void acpi_boot_table_init(void) |
| 383 | { |
| 384 | return; |
| 385 | } |
| 386 | |
| 387 | static inline int acpi_mps_check(void) |
| 388 | { |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | static inline int acpi_check_resource_conflict(struct resource *res) |
| 393 | { |
| 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | static inline int acpi_check_region(resource_size_t start, resource_size_t n, |
| 398 | const char *name) |
| 399 | { |
| 400 | return 0; |
| 401 | } |
| 402 | |
| 403 | struct acpi_table_header; |
| 404 | static inline int acpi_table_parse(char *id, |
| 405 | int (*handler)(struct acpi_table_header *)) |
| 406 | { |
| 407 | return -1; |
| 408 | } |
| 409 | |
| 410 | static inline int acpi_nvs_register(__u64 start, __u64 size) |
| 411 | { |
| 412 | return 0; |
| 413 | } |
| 414 | |
| 415 | static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), |
| 416 | void *data) |
| 417 | { |
| 418 | return 0; |
| 419 | } |
| 420 | |
| 421 | #endif /* !CONFIG_ACPI */ |
| 422 | |
| 423 | #ifdef CONFIG_ACPI |
| 424 | void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, |
| 425 | u32 pm1a_ctrl, u32 pm1b_ctrl)); |
| 426 | |
| 427 | acpi_status acpi_os_prepare_sleep(u8 sleep_state, |
| 428 | u32 pm1a_control, u32 pm1b_control); |
| 429 | #else |
| 430 | #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) |
| 431 | #endif |
| 432 | |
| 433 | #endif /*_LINUX_ACPI_H*/ |