2 * acpi.h - ACPI Interface
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 #include <linux/errno.h>
25 #include <linux/ioport.h> /* for struct resource */
26 #include <linux/resource_ext.h>
27 #include <linux/device.h>
28 #include <linux/property.h>
33 #include <acpi/acpi.h>
37 #include <linux/list.h>
38 #include <linux/mod_devicetable.h>
39 #include <linux/dynamic_debug.h>
40 #include <linux/module.h>
41 #include <linux/mutex.h>
43 #include <acpi/acpi_bus.h>
44 #include <acpi/acpi_drivers.h>
45 #include <acpi/acpi_numa.h>
46 #include <acpi/acpi_io.h>
49 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
51 return adev ? adev->handle : NULL;
54 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
55 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
56 acpi_fwnode_handle(adev) : NULL)
57 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60 extern const struct fwnode_operations acpi_fwnode_ops;
62 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
64 struct fwnode_handle *fwnode;
66 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
70 fwnode->type = FWNODE_ACPI_STATIC;
71 fwnode->ops = &acpi_fwnode_ops;
76 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78 if (WARN_ON(!fwnode || fwnode->type != FWNODE_ACPI_STATIC))
85 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
86 * the PCI-defined class-code information
88 * @_cls : the class, subclass, prog-if triple for this device
89 * @_msk : the class mask for this device
91 * This macro is used to create a struct acpi_device_id that matches a
92 * specific PCI class. The .id and .driver_data fields will be left
93 * initialized with the default value.
95 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
97 static inline bool has_acpi_companion(struct device *dev)
99 return is_acpi_device_node(dev->fwnode);
102 static inline void acpi_preset_companion(struct device *dev,
103 struct acpi_device *parent, u64 addr)
105 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
108 static inline const char *acpi_dev_name(struct acpi_device *adev)
110 return dev_name(&adev->dev);
113 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
115 enum acpi_irq_model_id {
116 ACPI_IRQ_MODEL_PIC = 0,
117 ACPI_IRQ_MODEL_IOAPIC,
118 ACPI_IRQ_MODEL_IOSAPIC,
119 ACPI_IRQ_MODEL_PLATFORM,
124 extern enum acpi_irq_model_id acpi_irq_model;
126 enum acpi_interrupt_id {
127 ACPI_INTERRUPT_PMI = 1,
133 #define ACPI_SPACE_MEM 0
135 enum acpi_address_range_id {
136 ACPI_ADDRESS_RANGE_MEMORY = 1,
137 ACPI_ADDRESS_RANGE_RESERVED = 2,
138 ACPI_ADDRESS_RANGE_ACPI = 3,
139 ACPI_ADDRESS_RANGE_NVS = 4,
140 ACPI_ADDRESS_RANGE_COUNT
146 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
148 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
149 const unsigned long end);
151 /* Debugger support */
153 struct acpi_debugger_ops {
154 int (*create_thread)(acpi_osd_exec_callback function, void *context);
155 ssize_t (*write_log)(const char *msg);
156 ssize_t (*read_cmd)(char *buffer, size_t length);
157 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
158 int (*notify_command_complete)(void);
161 struct acpi_debugger {
162 const struct acpi_debugger_ops *ops;
163 struct module *owner;
167 #ifdef CONFIG_ACPI_DEBUGGER
168 int __init acpi_debugger_init(void);
169 int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops);
171 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
172 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
173 ssize_t acpi_debugger_write_log(const char *msg);
174 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
175 int acpi_debugger_wait_command_ready(void);
176 int acpi_debugger_notify_command_complete(void);
178 static inline int acpi_debugger_init(void)
183 static inline int acpi_register_debugger(struct module *owner,
184 const struct acpi_debugger_ops *ops)
189 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
193 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
199 static inline int acpi_debugger_write_log(const char *msg)
204 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
209 static inline int acpi_debugger_wait_command_ready(void)
214 static inline int acpi_debugger_notify_command_complete(void)
220 #define BAD_MADT_ENTRY(entry, end) ( \
221 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
222 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
224 struct acpi_subtable_proc {
226 acpi_tbl_entry_handler handler;
230 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
231 void __acpi_unmap_table(char *map, unsigned long size);
232 int early_acpi_boot_init(void);
233 int acpi_boot_init (void);
234 void acpi_boot_table_init (void);
235 int acpi_mps_check (void);
236 int acpi_numa_init (void);
238 int acpi_table_init (void);
239 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
240 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
242 acpi_tbl_entry_handler handler,
243 unsigned int max_entries);
244 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
245 struct acpi_subtable_proc *proc, int proc_num,
246 unsigned int max_entries);
247 int acpi_table_parse_madt(enum acpi_madt_type id,
248 acpi_tbl_entry_handler handler,
249 unsigned int max_entries);
250 int acpi_parse_mcfg (struct acpi_table_header *header);
251 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
253 /* the following numa functions are architecture-dependent */
254 void acpi_numa_slit_init (struct acpi_table_slit *slit);
256 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
257 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
260 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
263 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
266 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
269 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
272 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
274 #ifndef PHYS_CPUID_INVALID
275 typedef u32 phys_cpuid_t;
276 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
279 static inline bool invalid_logical_cpuid(u32 cpuid)
281 return (int)cpuid < 0;
284 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
286 return phys_id == PHYS_CPUID_INVALID;
289 /* Validate the processor object's proc_id */
290 bool acpi_duplicate_processor_id(int proc_id);
292 #ifdef CONFIG_ACPI_HOTPLUG_CPU
293 /* Arch dependent functions for cpu hotplug support */
294 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
296 int acpi_unmap_cpu(int cpu);
297 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
299 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
300 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
303 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
304 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
305 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
306 void acpi_irq_stats_init(void);
307 extern u32 acpi_irq_handled;
308 extern u32 acpi_irq_not_handled;
309 extern unsigned int acpi_sci_irq;
310 extern bool acpi_no_s5;
311 #define INVALID_ACPI_IRQ ((unsigned)-1)
312 static inline bool acpi_sci_irq_valid(void)
314 return acpi_sci_irq != INVALID_ACPI_IRQ;
318 extern unsigned long acpi_realmode_flags;
320 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
321 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
322 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
324 void acpi_set_irq_model(enum acpi_irq_model_id model,
325 struct fwnode_handle *fwnode);
327 #ifdef CONFIG_X86_IO_APIC
328 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
330 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
333 * This function undoes the effect of one call to acpi_register_gsi().
334 * If this matches the last registration, any IRQ resources for gsi
337 void acpi_unregister_gsi (u32 gsi);
341 int acpi_pci_irq_enable (struct pci_dev *dev);
342 void acpi_penalize_isa_irq(int irq, int active);
343 bool acpi_isa_irq_available(int irq);
344 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
345 void acpi_pci_irq_disable (struct pci_dev *dev);
347 extern int ec_read(u8 addr, u8 *val);
348 extern int ec_write(u8 addr, u8 val);
349 extern int ec_transaction(u8 command,
350 const u8 *wdata, unsigned wdata_len,
351 u8 *rdata, unsigned rdata_len);
352 extern acpi_handle ec_get_handle(void);
354 extern bool acpi_is_pnp_device(struct acpi_device *);
356 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
358 typedef void (*wmi_notify_handler) (u32 value, void *context);
360 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
362 const struct acpi_buffer *in,
363 struct acpi_buffer *out);
364 extern acpi_status wmi_query_block(const char *guid, u8 instance,
365 struct acpi_buffer *out);
366 extern acpi_status wmi_set_block(const char *guid, u8 instance,
367 const struct acpi_buffer *in);
368 extern acpi_status wmi_install_notify_handler(const char *guid,
369 wmi_notify_handler handler, void *data);
370 extern acpi_status wmi_remove_notify_handler(const char *guid);
371 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
372 extern bool wmi_has_guid(const char *guid);
374 #endif /* CONFIG_ACPI_WMI */
376 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
377 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
378 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
379 #define ACPI_VIDEO_BACKLIGHT 0x0008
380 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
381 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
382 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
383 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
384 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
385 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
386 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
387 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
389 extern char acpi_video_backlight_string[];
390 extern long acpi_is_video_device(acpi_handle handle);
391 extern int acpi_blacklisted(void);
392 extern void acpi_osi_setup(char *str);
393 extern bool acpi_osi_is_win8(void);
395 #ifdef CONFIG_ACPI_NUMA
396 int acpi_map_pxm_to_online_node(int pxm);
397 int acpi_get_node(acpi_handle handle);
399 static inline int acpi_map_pxm_to_online_node(int pxm)
403 static inline int acpi_get_node(acpi_handle handle)
408 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
410 extern int pnpacpi_disabled;
412 #define PXM_INVAL (-1)
414 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
415 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
416 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
417 struct resource_win *win);
418 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
419 struct resource_win *win);
420 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
421 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
422 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
423 struct resource *res);
425 void acpi_dev_free_resource_list(struct list_head *list);
426 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
427 int (*preproc)(struct acpi_resource *, void *),
429 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
430 unsigned long types);
432 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
435 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
438 struct acpi_device *acpi_resource_consumer(struct resource *res);
440 int acpi_check_resource_conflict(const struct resource *res);
442 int acpi_check_region(resource_size_t start, resource_size_t n,
445 int acpi_resources_are_enforced(void);
447 #ifdef CONFIG_HIBERNATION
448 void __init acpi_no_s4_hw_signature(void);
451 #ifdef CONFIG_PM_SLEEP
452 void __init acpi_old_suspend_ordering(void);
453 void __init acpi_nvs_nosave(void);
454 void __init acpi_nvs_nosave_s3(void);
455 #endif /* CONFIG_PM_SLEEP */
457 struct acpi_osc_context {
458 char *uuid_str; /* UUID string */
460 struct acpi_buffer cap; /* list of DWORD capabilities */
461 struct acpi_buffer ret; /* free by caller if success */
464 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
465 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
467 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
468 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
469 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
470 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
472 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
473 #define OSC_QUERY_ENABLE 0x00000001 /* input */
474 #define OSC_REQUEST_ERROR 0x00000002 /* return */
475 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
476 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
477 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
479 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
480 #define OSC_SB_PAD_SUPPORT 0x00000001
481 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
482 #define OSC_SB_PR3_SUPPORT 0x00000004
483 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
484 #define OSC_SB_APEI_SUPPORT 0x00000010
485 #define OSC_SB_CPC_SUPPORT 0x00000020
486 #define OSC_SB_CPCV2_SUPPORT 0x00000040
487 #define OSC_SB_PCLPI_SUPPORT 0x00000080
488 #define OSC_SB_OSLPI_SUPPORT 0x00000100
489 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
491 extern bool osc_sb_apei_support_acked;
492 extern bool osc_pc_lpi_support_confirmed;
494 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
495 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
496 #define OSC_PCI_ASPM_SUPPORT 0x00000002
497 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
498 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
499 #define OSC_PCI_MSI_SUPPORT 0x00000010
500 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
502 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
503 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
504 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
505 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
506 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
507 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
508 #define OSC_PCI_CONTROL_MASKS 0x0000001f
510 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
511 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
512 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
513 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
514 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
515 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
516 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
517 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
518 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
519 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
521 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
524 /* Enable _OST when all relevant hotplug operations are enabled */
525 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
526 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
527 defined(CONFIG_ACPI_CONTAINER)
528 #define ACPI_HOTPLUG_OST
531 /* _OST Source Event Code (OSPM Action) */
532 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
533 #define ACPI_OST_EC_OSPM_EJECT 0x103
534 #define ACPI_OST_EC_OSPM_INSERTION 0x200
536 /* _OST General Processing Status Code */
537 #define ACPI_OST_SC_SUCCESS 0x0
538 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
539 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
541 /* _OST OS Shutdown Processing (0x100) Status Code */
542 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
543 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
544 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
545 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
547 /* _OST Ejection Request (0x3, 0x103) Status Code */
548 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
549 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
550 #define ACPI_OST_SC_DEVICE_BUSY 0x82
551 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
552 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
554 /* _OST Insertion Request (0x200) Status Code */
555 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
556 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
557 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
559 extern void acpi_early_init(void);
560 extern void acpi_subsystem_init(void);
562 extern int acpi_nvs_register(__u64 start, __u64 size);
564 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
567 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
568 const struct device *dev);
570 extern bool acpi_driver_match_device(struct device *dev,
571 const struct device_driver *drv);
572 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
573 int acpi_device_modalias(struct device *, char *, int);
574 void acpi_walk_dep_device_list(acpi_handle handle);
576 struct platform_device *acpi_create_platform_device(struct acpi_device *,
577 struct property_entry *);
578 #define ACPI_PTR(_ptr) (_ptr)
580 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
582 adev->flags.visited = true;
585 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
587 adev->flags.visited = false;
590 enum acpi_reconfig_event {
591 ACPI_RECONFIG_DEVICE_ADD = 0,
592 ACPI_RECONFIG_DEVICE_REMOVE,
595 int acpi_reconfig_notifier_register(struct notifier_block *nb);
596 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
598 #ifdef CONFIG_ACPI_GTDT
599 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
600 int acpi_gtdt_map_ppi(int type);
601 bool acpi_gtdt_c3stop(int type);
602 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
605 #else /* !CONFIG_ACPI */
607 #define acpi_disabled 1
609 #define ACPI_COMPANION(dev) (NULL)
610 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
611 #define ACPI_HANDLE(dev) (NULL)
612 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
614 struct fwnode_handle;
616 static inline bool acpi_dev_found(const char *hid)
621 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
626 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
631 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
636 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
641 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
646 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
651 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
657 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
662 static inline bool has_acpi_companion(struct device *dev)
667 static inline void acpi_preset_companion(struct device *dev,
668 struct acpi_device *parent, u64 addr)
672 static inline const char *acpi_dev_name(struct acpi_device *adev)
677 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
682 static inline void acpi_early_init(void) { }
683 static inline void acpi_subsystem_init(void) { }
685 static inline int early_acpi_boot_init(void)
689 static inline int acpi_boot_init(void)
694 static inline void acpi_boot_table_init(void)
699 static inline int acpi_mps_check(void)
704 static inline int acpi_check_resource_conflict(struct resource *res)
709 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
715 struct acpi_table_header;
716 static inline int acpi_table_parse(char *id,
717 int (*handler)(struct acpi_table_header *))
722 static inline int acpi_nvs_register(__u64 start, __u64 size)
727 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
733 struct acpi_device_id;
735 static inline const struct acpi_device_id *acpi_match_device(
736 const struct acpi_device_id *ids, const struct device *dev)
741 static inline bool acpi_driver_match_device(struct device *dev,
742 const struct device_driver *drv)
747 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
750 union acpi_object *argv4)
755 static inline int acpi_device_uevent_modalias(struct device *dev,
756 struct kobj_uevent_env *env)
761 static inline int acpi_device_modalias(struct device *dev,
767 static inline bool acpi_dma_supported(struct acpi_device *adev)
772 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
774 return DEV_DMA_NOT_SUPPORTED;
777 static inline int acpi_dma_configure(struct device *dev,
778 enum dev_dma_attr attr)
783 static inline void acpi_dma_deconfigure(struct device *dev) { }
785 #define ACPI_PTR(_ptr) (NULL)
787 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
791 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
795 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
800 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
805 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
810 #endif /* !CONFIG_ACPI */
812 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
813 int acpi_ioapic_add(acpi_handle root);
815 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
819 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
820 u32 pm1a_ctrl, u32 pm1b_ctrl));
822 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
823 u32 pm1a_control, u32 pm1b_control);
825 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
826 u32 val_a, u32 val_b));
828 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
829 u32 val_a, u32 val_b);
832 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
834 static inline void arch_reserve_mem_area(acpi_physical_address addr,
838 #endif /* CONFIG_X86 */
840 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
843 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
844 int acpi_dev_runtime_suspend(struct device *dev);
845 int acpi_dev_runtime_resume(struct device *dev);
846 int acpi_subsys_runtime_suspend(struct device *dev);
847 int acpi_subsys_runtime_resume(struct device *dev);
848 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
849 int acpi_dev_pm_attach(struct device *dev, bool power_on);
851 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
852 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
853 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
854 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
855 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
859 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
865 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
866 int acpi_dev_suspend_late(struct device *dev);
867 int acpi_dev_resume_early(struct device *dev);
868 int acpi_subsys_prepare(struct device *dev);
869 void acpi_subsys_complete(struct device *dev);
870 int acpi_subsys_suspend_late(struct device *dev);
871 int acpi_subsys_resume_early(struct device *dev);
872 int acpi_subsys_suspend(struct device *dev);
873 int acpi_subsys_freeze(struct device *dev);
875 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
876 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
877 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
878 static inline void acpi_subsys_complete(struct device *dev) {}
879 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
880 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
881 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
882 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
887 void acpi_handle_printk(const char *level, acpi_handle handle,
888 const char *fmt, ...);
889 #else /* !CONFIG_ACPI */
890 static inline __printf(3, 4) void
891 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
892 #endif /* !CONFIG_ACPI */
894 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
896 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
898 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
899 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
903 * acpi_handle_<level>: Print message with ACPI prefix and object path
905 * These interfaces acquire the global namespace mutex to obtain an object
906 * path. In interrupt context, it shows the object path as <n/a>.
908 #define acpi_handle_emerg(handle, fmt, ...) \
909 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
910 #define acpi_handle_alert(handle, fmt, ...) \
911 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
912 #define acpi_handle_crit(handle, fmt, ...) \
913 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
914 #define acpi_handle_err(handle, fmt, ...) \
915 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
916 #define acpi_handle_warn(handle, fmt, ...) \
917 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
918 #define acpi_handle_notice(handle, fmt, ...) \
919 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
920 #define acpi_handle_info(handle, fmt, ...) \
921 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
924 #define acpi_handle_debug(handle, fmt, ...) \
925 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
927 #if defined(CONFIG_DYNAMIC_DEBUG)
928 #define acpi_handle_debug(handle, fmt, ...) \
930 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
931 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
932 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
936 #define acpi_handle_debug(handle, fmt, ...) \
939 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
945 struct acpi_gpio_params {
946 unsigned int crs_entry_index;
947 unsigned int line_index;
951 struct acpi_gpio_mapping {
953 const struct acpi_gpio_params *data;
957 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
958 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
959 const struct acpi_gpio_mapping *gpios);
961 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
964 adev->driver_gpios = NULL;
967 int devm_acpi_dev_add_driver_gpios(struct device *dev,
968 const struct acpi_gpio_mapping *gpios);
969 void devm_acpi_dev_remove_driver_gpios(struct device *dev);
971 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
973 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
974 const struct acpi_gpio_mapping *gpios)
978 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
980 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
981 const struct acpi_gpio_mapping *gpios)
985 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
987 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
993 /* Device properties */
995 #define MAX_ACPI_REFERENCE_ARGS 8
996 struct acpi_reference_args {
997 struct acpi_device *adev;
999 u64 args[MAX_ACPI_REFERENCE_ARGS];
1003 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
1004 acpi_object_type type, const union acpi_object **obj);
1005 int __acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1006 const char *name, size_t index, size_t num_args,
1007 struct acpi_reference_args *args);
1009 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1010 const char *name, size_t index,
1011 struct acpi_reference_args *args)
1013 return __acpi_node_get_property_reference(fwnode, name, index,
1014 MAX_ACPI_REFERENCE_ARGS, args);
1017 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
1019 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
1020 enum dev_prop_type proptype, void *val);
1021 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
1022 enum dev_prop_type proptype, void *val, size_t nval);
1023 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
1024 enum dev_prop_type proptype, void *val, size_t nval);
1026 struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode,
1027 struct fwnode_handle *child);
1028 struct fwnode_handle *acpi_node_get_parent(struct fwnode_handle *fwnode);
1030 struct fwnode_handle *acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
1031 struct fwnode_handle *prev);
1032 int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
1033 struct fwnode_handle **remote,
1034 struct fwnode_handle **port,
1035 struct fwnode_handle **endpoint);
1037 struct acpi_probe_entry;
1038 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1039 struct acpi_probe_entry *);
1041 #define ACPI_TABLE_ID_LEN 5
1044 * struct acpi_probe_entry - boot-time probing entry
1045 * @id: ACPI table name
1046 * @type: Optional subtable type to match
1047 * (if @id contains subtables)
1048 * @subtable_valid: Optional callback to check the validity of
1050 * @probe_table: Callback to the driver being probed when table
1051 * match is successful
1052 * @probe_subtbl: Callback to the driver being probed when table and
1053 * subtable match (and optional callback is successful)
1054 * @driver_data: Sideband data provided back to the driver
1056 struct acpi_probe_entry {
1057 __u8 id[ACPI_TABLE_ID_LEN];
1059 acpi_probe_entry_validate_subtbl subtable_valid;
1061 acpi_tbl_table_handler probe_table;
1062 acpi_tbl_entry_handler probe_subtbl;
1064 kernel_ulong_t driver_data;
1067 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1068 static const struct acpi_probe_entry __acpi_probe_##name \
1069 __used __section(__##table##_acpi_probe_table) \
1073 .subtable_valid = valid, \
1074 .probe_table = (acpi_tbl_table_handler)fn, \
1075 .driver_data = data, \
1078 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1079 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1081 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1083 #define acpi_probe_device_table(t) \
1085 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1086 ACPI_PROBE_TABLE_END(t); \
1087 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1088 (&ACPI_PROBE_TABLE_END(t) - \
1089 &ACPI_PROBE_TABLE(t))); \
1092 static inline int acpi_dev_get_property(struct acpi_device *adev,
1093 const char *name, acpi_object_type type,
1094 const union acpi_object **obj)
1100 __acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1101 const char *name, size_t index, size_t num_args,
1102 struct acpi_reference_args *args)
1107 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1108 const char *name, size_t index,
1109 struct acpi_reference_args *args)
1114 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
1115 const char *propname,
1121 static inline int acpi_dev_prop_get(struct acpi_device *adev,
1122 const char *propname,
1128 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
1129 const char *propname,
1130 enum dev_prop_type proptype,
1136 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
1137 const char *propname,
1138 enum dev_prop_type proptype,
1139 void *val, size_t nval)
1144 static inline int acpi_dev_prop_read(struct acpi_device *adev,
1145 const char *propname,
1146 enum dev_prop_type proptype,
1147 void *val, size_t nval)
1152 static inline struct fwnode_handle *
1153 acpi_get_next_subnode(struct fwnode_handle *fwnode, struct fwnode_handle *child)
1158 static inline struct fwnode_handle *
1159 acpi_node_get_parent(struct fwnode_handle *fwnode)
1164 static inline struct fwnode_handle *
1165 acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
1166 struct fwnode_handle *prev)
1168 return ERR_PTR(-ENXIO);
1172 acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
1173 struct fwnode_handle **remote,
1174 struct fwnode_handle **port,
1175 struct fwnode_handle **endpoint)
1180 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1181 static const void * __acpi_table_##name[] \
1182 __attribute__((unused)) \
1183 = { (void *) table_id, \
1184 (void *) subtable, \
1189 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1192 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1193 void acpi_table_upgrade(void);
1195 static inline void acpi_table_upgrade(void) { }
1198 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1199 extern bool acpi_has_watchdog(void);
1201 static inline bool acpi_has_watchdog(void) { return false; }
1204 #ifdef CONFIG_ACPI_SPCR_TABLE
1205 int parse_spcr(bool earlycon);
1207 static inline int parse_spcr(bool earlycon) { return 0; }
1210 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1211 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1214 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1220 #endif /*_LINUX_ACPI_H*/