1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * acpi.h - ACPI Interface
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
11 #include <linux/errno.h>
12 #include <linux/ioport.h> /* for struct resource */
13 #include <linux/resource_ext.h>
14 #include <linux/device.h>
15 #include <linux/mod_devicetable.h>
16 #include <linux/property.h>
17 #include <linux/uuid.h>
20 struct irq_domain_ops;
25 #include <acpi/acpi.h>
29 #include <linux/list.h>
30 #include <linux/dynamic_debug.h>
31 #include <linux/module.h>
32 #include <linux/mutex.h>
34 #include <acpi/acpi_bus.h>
35 #include <acpi/acpi_drivers.h>
36 #include <acpi/acpi_numa.h>
37 #include <acpi/acpi_io.h>
40 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
42 return adev ? adev->handle : NULL;
45 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
46 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
47 acpi_fwnode_handle(adev) : NULL)
48 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
49 #define ACPI_HANDLE_FWNODE(fwnode) \
50 acpi_device_handle(to_acpi_device_node(fwnode))
52 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
54 struct fwnode_handle *fwnode;
56 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
60 fwnode_init(fwnode, &acpi_static_fwnode_ops);
65 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
67 if (WARN_ON(!is_acpi_static_node(fwnode)))
74 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
75 * the PCI-defined class-code information
77 * @_cls : the class, subclass, prog-if triple for this device
78 * @_msk : the class mask for this device
80 * This macro is used to create a struct acpi_device_id that matches a
81 * specific PCI class. The .id and .driver_data fields will be left
82 * initialized with the default value.
84 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
86 static inline bool has_acpi_companion(struct device *dev)
88 return is_acpi_device_node(dev->fwnode);
91 static inline void acpi_preset_companion(struct device *dev,
92 struct acpi_device *parent, u64 addr)
94 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
97 static inline const char *acpi_dev_name(struct acpi_device *adev)
99 return dev_name(&adev->dev);
102 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
104 enum acpi_irq_model_id {
105 ACPI_IRQ_MODEL_PIC = 0,
106 ACPI_IRQ_MODEL_IOAPIC,
107 ACPI_IRQ_MODEL_IOSAPIC,
108 ACPI_IRQ_MODEL_PLATFORM,
114 extern enum acpi_irq_model_id acpi_irq_model;
116 enum acpi_interrupt_id {
117 ACPI_INTERRUPT_PMI = 1,
123 #define ACPI_SPACE_MEM 0
125 enum acpi_address_range_id {
126 ACPI_ADDRESS_RANGE_MEMORY = 1,
127 ACPI_ADDRESS_RANGE_RESERVED = 2,
128 ACPI_ADDRESS_RANGE_ACPI = 3,
129 ACPI_ADDRESS_RANGE_NVS = 4,
130 ACPI_ADDRESS_RANGE_COUNT
135 union acpi_subtable_headers {
136 struct acpi_subtable_header common;
137 struct acpi_hmat_structure hmat;
138 struct acpi_prmt_module_header prmt;
139 struct acpi_cedt_header cedt;
142 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
144 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
145 const unsigned long end);
147 typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
148 void *arg, const unsigned long end);
150 /* Debugger support */
152 struct acpi_debugger_ops {
153 int (*create_thread)(acpi_osd_exec_callback function, void *context);
154 ssize_t (*write_log)(const char *msg);
155 ssize_t (*read_cmd)(char *buffer, size_t length);
156 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
157 int (*notify_command_complete)(void);
160 struct acpi_debugger {
161 const struct acpi_debugger_ops *ops;
162 struct module *owner;
166 #ifdef CONFIG_ACPI_DEBUGGER
167 int __init acpi_debugger_init(void);
168 int acpi_register_debugger(struct module *owner,
169 const struct acpi_debugger_ops *ops);
170 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
171 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
172 ssize_t acpi_debugger_write_log(const char *msg);
173 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
174 int acpi_debugger_wait_command_ready(void);
175 int acpi_debugger_notify_command_complete(void);
177 static inline int acpi_debugger_init(void)
182 static inline int acpi_register_debugger(struct module *owner,
183 const struct acpi_debugger_ops *ops)
188 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
192 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
198 static inline int acpi_debugger_write_log(const char *msg)
203 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
208 static inline int acpi_debugger_wait_command_ready(void)
213 static inline int acpi_debugger_notify_command_complete(void)
219 #define BAD_MADT_ENTRY(entry, end) ( \
220 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
221 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
223 struct acpi_subtable_proc {
225 acpi_tbl_entry_handler handler;
226 acpi_tbl_entry_handler_arg handler_arg;
231 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
232 void __acpi_unmap_table(void __iomem *map, unsigned long size);
233 int early_acpi_boot_init(void);
234 int acpi_boot_init (void);
235 void acpi_boot_table_prepare (void);
236 void acpi_boot_table_init (void);
237 int acpi_mps_check (void);
238 int acpi_numa_init (void);
240 int acpi_locate_initial_tables (void);
241 void acpi_reserve_initial_tables (void);
242 void acpi_table_init_complete (void);
243 int acpi_table_init (void);
245 #ifdef CONFIG_ACPI_TABLE_LIB
246 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
247 #define __init_or_acpilib
248 #define __initdata_or_acpilib
250 #define EXPORT_SYMBOL_ACPI_LIB(x)
251 #define __init_or_acpilib __init
252 #define __initdata_or_acpilib __initdata
255 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
256 int __init_or_acpilib acpi_table_parse_entries(char *id,
257 unsigned long table_size, int entry_id,
258 acpi_tbl_entry_handler handler, unsigned int max_entries);
259 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
260 unsigned long table_size, struct acpi_subtable_proc *proc,
261 int proc_num, unsigned int max_entries);
262 int acpi_table_parse_madt(enum acpi_madt_type id,
263 acpi_tbl_entry_handler handler,
264 unsigned int max_entries);
265 int __init_or_acpilib
266 acpi_table_parse_cedt(enum acpi_cedt_type id,
267 acpi_tbl_entry_handler_arg handler_arg, void *arg);
269 int acpi_parse_mcfg (struct acpi_table_header *header);
270 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
272 /* the following numa functions are architecture-dependent */
273 void acpi_numa_slit_init (struct acpi_table_slit *slit);
275 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
276 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
279 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
282 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
284 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
285 void acpi_arch_dma_setup(struct device *dev);
287 static inline void acpi_arch_dma_setup(struct device *dev) { }
291 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
294 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
297 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
299 #ifndef PHYS_CPUID_INVALID
300 typedef u32 phys_cpuid_t;
301 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
304 static inline bool invalid_logical_cpuid(u32 cpuid)
306 return (int)cpuid < 0;
309 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
311 return phys_id == PHYS_CPUID_INVALID;
314 /* Validate the processor object's proc_id */
315 bool acpi_duplicate_processor_id(int proc_id);
316 /* Processor _CTS control */
317 struct acpi_processor_power;
319 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
320 bool acpi_processor_claim_cst_control(void);
321 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
322 struct acpi_processor_power *info);
324 static inline bool acpi_processor_claim_cst_control(void) { return false; }
325 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
326 struct acpi_processor_power *info)
332 #ifdef CONFIG_ACPI_HOTPLUG_CPU
333 /* Arch dependent functions for cpu hotplug support */
334 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
336 int acpi_unmap_cpu(int cpu);
337 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
339 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
340 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
343 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
344 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
345 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
346 void acpi_irq_stats_init(void);
347 extern u32 acpi_irq_handled;
348 extern u32 acpi_irq_not_handled;
349 extern unsigned int acpi_sci_irq;
350 extern bool acpi_no_s5;
351 #define INVALID_ACPI_IRQ ((unsigned)-1)
352 static inline bool acpi_sci_irq_valid(void)
354 return acpi_sci_irq != INVALID_ACPI_IRQ;
358 extern unsigned long acpi_realmode_flags;
360 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
361 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
362 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
364 void acpi_set_irq_model(enum acpi_irq_model_id model,
365 struct fwnode_handle *(*)(u32));
366 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
368 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
370 struct fwnode_handle *fwnode,
371 const struct irq_domain_ops *ops,
374 #ifdef CONFIG_X86_IO_APIC
375 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
377 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
383 * This function undoes the effect of one call to acpi_register_gsi().
384 * If this matches the last registration, any IRQ resources for gsi
387 void acpi_unregister_gsi (u32 gsi);
391 int acpi_pci_irq_enable (struct pci_dev *dev);
392 void acpi_penalize_isa_irq(int irq, int active);
393 bool acpi_isa_irq_available(int irq);
395 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
397 static inline void acpi_penalize_sci_irq(int irq, int trigger,
402 void acpi_pci_irq_disable (struct pci_dev *dev);
404 extern int ec_read(u8 addr, u8 *val);
405 extern int ec_write(u8 addr, u8 val);
406 extern int ec_transaction(u8 command,
407 const u8 *wdata, unsigned wdata_len,
408 u8 *rdata, unsigned rdata_len);
409 extern acpi_handle ec_get_handle(void);
411 extern bool acpi_is_pnp_device(struct acpi_device *);
413 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
415 typedef void (*wmi_notify_handler) (u32 value, void *context);
417 int wmi_instance_count(const char *guid);
419 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
421 const struct acpi_buffer *in,
422 struct acpi_buffer *out);
423 extern acpi_status wmi_query_block(const char *guid, u8 instance,
424 struct acpi_buffer *out);
425 extern acpi_status wmi_set_block(const char *guid, u8 instance,
426 const struct acpi_buffer *in);
427 extern acpi_status wmi_install_notify_handler(const char *guid,
428 wmi_notify_handler handler, void *data);
429 extern acpi_status wmi_remove_notify_handler(const char *guid);
430 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
431 extern bool wmi_has_guid(const char *guid);
432 extern char *wmi_get_acpi_device_uid(const char *guid);
434 #endif /* CONFIG_ACPI_WMI */
436 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
437 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
438 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
439 #define ACPI_VIDEO_BACKLIGHT 0x0008
440 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
441 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
442 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
443 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
444 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
445 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
446 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
447 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
449 extern char acpi_video_backlight_string[];
450 extern long acpi_is_video_device(acpi_handle handle);
451 extern int acpi_blacklisted(void);
452 extern void acpi_osi_setup(char *str);
453 extern bool acpi_osi_is_win8(void);
455 #ifdef CONFIG_ACPI_NUMA
456 int acpi_map_pxm_to_node(int pxm);
457 int acpi_get_node(acpi_handle handle);
460 * pxm_to_online_node - Map proximity ID to online node
461 * @pxm: ACPI proximity ID
463 * This is similar to pxm_to_node(), but always returns an online
464 * node. When the mapped node from a given proximity ID is offline, it
465 * looks up the node distance table and returns the nearest online node.
467 * ACPI device drivers, which are called after the NUMA initialization has
468 * completed in the kernel, can call this interface to obtain their device
469 * NUMA topology from ACPI tables. Such drivers do not have to deal with
470 * offline nodes. A node may be offline when SRAT memory entry does not exist,
471 * or NUMA is disabled, ex. "numa=off" on x86.
473 static inline int pxm_to_online_node(int pxm)
475 int node = pxm_to_node(pxm);
477 return numa_map_to_online_node(node);
480 static inline int pxm_to_online_node(int pxm)
484 static inline int acpi_map_pxm_to_node(int pxm)
488 static inline int acpi_get_node(acpi_handle handle)
493 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
495 extern int pnpacpi_disabled;
497 #define PXM_INVAL (-1)
499 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
500 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
501 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
502 struct resource_win *win);
503 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
504 struct resource_win *win);
505 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
506 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
507 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
508 struct resource *res);
510 void acpi_dev_free_resource_list(struct list_head *list);
511 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
512 int (*preproc)(struct acpi_resource *, void *),
514 int acpi_dev_get_dma_resources(struct acpi_device *adev,
515 struct list_head *list);
516 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
517 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
518 unsigned long types);
520 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
523 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
526 struct acpi_device *acpi_resource_consumer(struct resource *res);
528 int acpi_check_resource_conflict(const struct resource *res);
530 int acpi_check_region(resource_size_t start, resource_size_t n,
533 int acpi_resources_are_enforced(void);
535 #ifdef CONFIG_HIBERNATION
536 extern int acpi_check_s4_hw_signature;
539 #ifdef CONFIG_PM_SLEEP
540 void __init acpi_old_suspend_ordering(void);
541 void __init acpi_nvs_nosave(void);
542 void __init acpi_nvs_nosave_s3(void);
543 void __init acpi_sleep_no_blacklist(void);
544 #endif /* CONFIG_PM_SLEEP */
546 int acpi_register_wakeup_handler(
547 int wake_irq, bool (*wakeup)(void *context), void *context);
548 void acpi_unregister_wakeup_handler(
549 bool (*wakeup)(void *context), void *context);
551 struct acpi_osc_context {
552 char *uuid_str; /* UUID string */
554 struct acpi_buffer cap; /* list of DWORD capabilities */
555 struct acpi_buffer ret; /* free by caller if success */
558 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
560 /* Number of _OSC capability DWORDS depends on bridge type */
561 #define OSC_PCI_CAPABILITY_DWORDS 3
562 #define OSC_CXL_CAPABILITY_DWORDS 5
564 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
565 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
566 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
567 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
568 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
569 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
571 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
572 #define OSC_QUERY_ENABLE 0x00000001 /* input */
573 #define OSC_REQUEST_ERROR 0x00000002 /* return */
574 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
575 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
576 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
578 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
579 #define OSC_SB_PAD_SUPPORT 0x00000001
580 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
581 #define OSC_SB_PR3_SUPPORT 0x00000004
582 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
583 #define OSC_SB_APEI_SUPPORT 0x00000010
584 #define OSC_SB_CPC_SUPPORT 0x00000020
585 #define OSC_SB_CPCV2_SUPPORT 0x00000040
586 #define OSC_SB_PCLPI_SUPPORT 0x00000080
587 #define OSC_SB_OSLPI_SUPPORT 0x00000100
588 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
589 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
590 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
591 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
592 #define OSC_SB_PRM_SUPPORT 0x00200000
593 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
595 extern bool osc_sb_apei_support_acked;
596 extern bool osc_pc_lpi_support_confirmed;
597 extern bool osc_sb_native_usb4_support_confirmed;
598 extern bool osc_sb_cppc2_support_acked;
599 extern bool osc_cpc_flexible_adr_space_confirmed;
601 /* USB4 Capabilities */
602 #define OSC_USB_USB3_TUNNELING 0x00000001
603 #define OSC_USB_DP_TUNNELING 0x00000002
604 #define OSC_USB_PCIE_TUNNELING 0x00000004
605 #define OSC_USB_XDOMAIN 0x00000008
607 extern u32 osc_sb_native_usb4_control;
609 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
610 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
611 #define OSC_PCI_ASPM_SUPPORT 0x00000002
612 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
613 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
614 #define OSC_PCI_MSI_SUPPORT 0x00000010
615 #define OSC_PCI_EDR_SUPPORT 0x00000080
616 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
618 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
619 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
620 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
621 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
622 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
623 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
624 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
625 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
627 /* CXL _OSC: Capabilities DWORD 4: Support Field */
628 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
629 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
630 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
631 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
633 /* CXL _OSC: Capabilities DWORD 5: Control Field */
634 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
636 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
638 u32 *ret = context->ret.pointer;
640 return ret[OSC_CONTROL_DWORD];
643 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
645 u32 *ret = context->ret.pointer;
647 return ret[OSC_EXT_CONTROL_DWORD];
650 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
651 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
652 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
653 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
654 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
655 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
656 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
657 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
658 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
659 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
661 /* Enable _OST when all relevant hotplug operations are enabled */
662 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
663 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
664 defined(CONFIG_ACPI_CONTAINER)
665 #define ACPI_HOTPLUG_OST
668 /* _OST Source Event Code (OSPM Action) */
669 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
670 #define ACPI_OST_EC_OSPM_EJECT 0x103
671 #define ACPI_OST_EC_OSPM_INSERTION 0x200
673 /* _OST General Processing Status Code */
674 #define ACPI_OST_SC_SUCCESS 0x0
675 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
676 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
678 /* _OST OS Shutdown Processing (0x100) Status Code */
679 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
680 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
681 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
682 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
684 /* _OST Ejection Request (0x3, 0x103) Status Code */
685 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
686 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
687 #define ACPI_OST_SC_DEVICE_BUSY 0x82
688 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
689 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
691 /* _OST Insertion Request (0x200) Status Code */
692 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
693 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
694 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
696 enum acpi_predicate {
700 greater_than_or_equal,
703 /* Table must be terminted by a NULL entry */
704 struct acpi_platform_list {
705 char oem_id[ACPI_OEM_ID_SIZE+1];
706 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
709 enum acpi_predicate pred;
713 int acpi_match_platform_list(const struct acpi_platform_list *plat);
715 extern void acpi_early_init(void);
716 extern void acpi_subsystem_init(void);
718 extern int acpi_nvs_register(__u64 start, __u64 size);
720 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
723 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
724 const struct device *dev);
726 const void *acpi_device_get_match_data(const struct device *dev);
727 extern bool acpi_driver_match_device(struct device *dev,
728 const struct device_driver *drv);
729 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
730 int acpi_device_modalias(struct device *, char *, int);
732 struct platform_device *acpi_create_platform_device(struct acpi_device *,
733 const struct property_entry *);
734 #define ACPI_PTR(_ptr) (_ptr)
736 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
738 adev->flags.visited = true;
741 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
743 adev->flags.visited = false;
746 enum acpi_reconfig_event {
747 ACPI_RECONFIG_DEVICE_ADD = 0,
748 ACPI_RECONFIG_DEVICE_REMOVE,
751 int acpi_reconfig_notifier_register(struct notifier_block *nb);
752 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
754 #ifdef CONFIG_ACPI_GTDT
755 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
756 int acpi_gtdt_map_ppi(int type);
757 bool acpi_gtdt_c3stop(int type);
758 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
761 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
762 static inline void acpi_arch_set_root_pointer(u64 addr)
767 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
768 static inline u64 acpi_arch_get_root_pointer(void)
774 int acpi_get_local_address(acpi_handle handle, u32 *addr);
775 const char *acpi_get_subsystem_id(acpi_handle handle);
777 #else /* !CONFIG_ACPI */
779 #define acpi_disabled 1
781 #define ACPI_COMPANION(dev) (NULL)
782 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
783 #define ACPI_HANDLE(dev) (NULL)
784 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
785 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
787 #include <acpi/acpi_numa.h>
789 struct fwnode_handle;
791 static inline bool acpi_dev_found(const char *hid)
796 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
804 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
809 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
814 static inline struct acpi_device *
815 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
820 static inline bool acpi_reduced_hardware(void)
825 static inline void acpi_dev_put(struct acpi_device *adev) {}
827 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
832 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
837 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
842 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
847 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
852 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
858 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
863 static inline bool has_acpi_companion(struct device *dev)
868 static inline void acpi_preset_companion(struct device *dev,
869 struct acpi_device *parent, u64 addr)
873 static inline const char *acpi_dev_name(struct acpi_device *adev)
878 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
883 static inline void acpi_early_init(void) { }
884 static inline void acpi_subsystem_init(void) { }
886 static inline int early_acpi_boot_init(void)
890 static inline int acpi_boot_init(void)
895 static inline void acpi_boot_table_prepare(void)
899 static inline void acpi_boot_table_init(void)
903 static inline int acpi_mps_check(void)
908 static inline int acpi_check_resource_conflict(struct resource *res)
913 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
919 struct acpi_table_header;
920 static inline int acpi_table_parse(char *id,
921 int (*handler)(struct acpi_table_header *))
926 static inline int acpi_nvs_register(__u64 start, __u64 size)
931 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
937 struct acpi_device_id;
939 static inline const struct acpi_device_id *acpi_match_device(
940 const struct acpi_device_id *ids, const struct device *dev)
945 static inline const void *acpi_device_get_match_data(const struct device *dev)
950 static inline bool acpi_driver_match_device(struct device *dev,
951 const struct device_driver *drv)
956 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
962 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
965 union acpi_object *argv4)
970 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
973 union acpi_object *argv4,
974 acpi_object_type type)
979 static inline int acpi_device_uevent_modalias(const struct device *dev,
980 struct kobj_uevent_env *env)
985 static inline int acpi_device_modalias(struct device *dev,
991 static inline struct platform_device *
992 acpi_create_platform_device(struct acpi_device *adev,
993 const struct property_entry *properties)
998 static inline bool acpi_dma_supported(const struct acpi_device *adev)
1003 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1005 return DEV_DMA_NOT_SUPPORTED;
1008 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1013 static inline int acpi_dma_configure(struct device *dev,
1014 enum dev_dma_attr attr)
1019 static inline int acpi_dma_configure_id(struct device *dev,
1020 enum dev_dma_attr attr,
1021 const u32 *input_id)
1026 #define ACPI_PTR(_ptr) (NULL)
1028 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1032 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1036 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1041 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1046 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1051 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1056 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1058 return ERR_PTR(-ENODEV);
1061 static inline int acpi_register_wakeup_handler(int wake_irq,
1062 bool (*wakeup)(void *context), void *context)
1067 static inline void acpi_unregister_wakeup_handler(
1068 bool (*wakeup)(void *context), void *context) { }
1070 struct acpi_osc_context;
1071 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1076 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1081 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1086 #endif /* !CONFIG_ACPI */
1088 extern void arch_post_acpi_subsys_init(void);
1090 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1091 int acpi_ioapic_add(acpi_handle root);
1093 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1097 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1098 u32 pm1a_ctrl, u32 pm1b_ctrl));
1100 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1101 u32 pm1a_control, u32 pm1b_control);
1103 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1104 u32 val_a, u32 val_b));
1106 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1107 u32 val_a, u32 val_b);
1109 struct acpi_s2idle_dev_ops {
1110 struct list_head list_node;
1111 void (*prepare)(void);
1112 void (*check)(void);
1113 void (*restore)(void);
1115 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1116 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1117 #endif /* CONFIG_X86 */
1119 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1121 static inline void arch_reserve_mem_area(acpi_physical_address addr,
1125 #endif /* CONFIG_X86 */
1127 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1130 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1131 int acpi_dev_suspend(struct device *dev, bool wakeup);
1132 int acpi_dev_resume(struct device *dev);
1133 int acpi_subsys_runtime_suspend(struct device *dev);
1134 int acpi_subsys_runtime_resume(struct device *dev);
1135 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1136 bool acpi_storage_d3(struct device *dev);
1137 bool acpi_dev_state_d0(struct device *dev);
1139 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1140 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1141 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1145 static inline bool acpi_storage_d3(struct device *dev)
1149 static inline bool acpi_dev_state_d0(struct device *dev)
1155 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1156 int acpi_subsys_prepare(struct device *dev);
1157 void acpi_subsys_complete(struct device *dev);
1158 int acpi_subsys_suspend_late(struct device *dev);
1159 int acpi_subsys_suspend_noirq(struct device *dev);
1160 int acpi_subsys_suspend(struct device *dev);
1161 int acpi_subsys_freeze(struct device *dev);
1162 int acpi_subsys_poweroff(struct device *dev);
1163 void acpi_ec_mark_gpe_for_wake(void);
1164 void acpi_ec_set_gpe_wake_mask(u8 action);
1165 int acpi_subsys_restore_early(struct device *dev);
1167 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1168 static inline void acpi_subsys_complete(struct device *dev) {}
1169 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1170 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1171 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1172 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1173 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1174 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1175 static inline void acpi_ec_mark_gpe_for_wake(void) {}
1176 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1181 void acpi_handle_printk(const char *level, acpi_handle handle,
1182 const char *fmt, ...);
1183 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1184 acpi_status status);
1185 #else /* !CONFIG_ACPI */
1186 static inline __printf(3, 4) void
1187 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1188 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1190 acpi_status status) {}
1191 #endif /* !CONFIG_ACPI */
1193 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1195 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1199 * acpi_handle_<level>: Print message with ACPI prefix and object path
1201 * These interfaces acquire the global namespace mutex to obtain an object
1202 * path. In interrupt context, it shows the object path as <n/a>.
1204 #define acpi_handle_emerg(handle, fmt, ...) \
1205 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1206 #define acpi_handle_alert(handle, fmt, ...) \
1207 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1208 #define acpi_handle_crit(handle, fmt, ...) \
1209 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1210 #define acpi_handle_err(handle, fmt, ...) \
1211 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1212 #define acpi_handle_warn(handle, fmt, ...) \
1213 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1214 #define acpi_handle_notice(handle, fmt, ...) \
1215 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1216 #define acpi_handle_info(handle, fmt, ...) \
1217 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1220 #define acpi_handle_debug(handle, fmt, ...) \
1221 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1223 #if defined(CONFIG_DYNAMIC_DEBUG)
1224 #define acpi_handle_debug(handle, fmt, ...) \
1225 _dynamic_func_call(fmt, __acpi_handle_debug, \
1226 handle, pr_fmt(fmt), ##__VA_ARGS__)
1228 #define acpi_handle_debug(handle, fmt, ...) \
1231 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1237 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1238 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1239 struct acpi_resource_gpio **agpio);
1240 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1241 struct acpi_resource_gpio **agpio);
1242 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1243 bool *wake_capable);
1245 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1246 struct acpi_resource_gpio **agpio)
1250 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1251 struct acpi_resource_gpio **agpio)
1255 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1256 int index, bool *wake_capable)
1262 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1265 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1268 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1271 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1274 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1276 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1279 /* Device properties */
1282 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1283 acpi_object_type type, const union acpi_object **obj);
1284 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1285 const char *name, size_t index, size_t num_args,
1286 struct fwnode_reference_args *args);
1288 static inline int acpi_node_get_property_reference(
1289 const struct fwnode_handle *fwnode,
1290 const char *name, size_t index,
1291 struct fwnode_reference_args *args)
1293 return __acpi_node_get_property_reference(fwnode, name, index,
1294 NR_FWNODE_REFERENCE_ARGS, args);
1297 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1299 return !list_empty(&adev->data.properties);
1302 struct acpi_device_properties *
1303 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1304 union acpi_object *properties);
1306 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1309 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1310 struct fwnode_handle *child);
1312 struct acpi_probe_entry;
1313 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1314 struct acpi_probe_entry *);
1316 #define ACPI_TABLE_ID_LEN 5
1319 * struct acpi_probe_entry - boot-time probing entry
1320 * @id: ACPI table name
1321 * @type: Optional subtable type to match
1322 * (if @id contains subtables)
1323 * @subtable_valid: Optional callback to check the validity of
1325 * @probe_table: Callback to the driver being probed when table
1326 * match is successful
1327 * @probe_subtbl: Callback to the driver being probed when table and
1328 * subtable match (and optional callback is successful)
1329 * @driver_data: Sideband data provided back to the driver
1331 struct acpi_probe_entry {
1332 __u8 id[ACPI_TABLE_ID_LEN];
1334 acpi_probe_entry_validate_subtbl subtable_valid;
1336 acpi_tbl_table_handler probe_table;
1337 acpi_tbl_entry_handler probe_subtbl;
1339 kernel_ulong_t driver_data;
1342 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1344 static const struct acpi_probe_entry __acpi_probe_##name \
1345 __used __section("__" #table "_acpi_probe_table") = { \
1348 .subtable_valid = valid, \
1349 .probe_table = fn, \
1350 .driver_data = data, \
1353 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1354 subtable, valid, data, fn) \
1355 static const struct acpi_probe_entry __acpi_probe_##name \
1356 __used __section("__" #table "_acpi_probe_table") = { \
1359 .subtable_valid = valid, \
1360 .probe_subtbl = fn, \
1361 .driver_data = data, \
1364 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1365 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1367 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1369 #define acpi_probe_device_table(t) \
1371 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1372 ACPI_PROBE_TABLE_END(t); \
1373 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1374 (&ACPI_PROBE_TABLE_END(t) - \
1375 &ACPI_PROBE_TABLE(t))); \
1378 static inline int acpi_dev_get_property(struct acpi_device *adev,
1379 const char *name, acpi_object_type type,
1380 const union acpi_object **obj)
1386 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1387 const char *name, size_t index, size_t num_args,
1388 struct fwnode_reference_args *args)
1394 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1395 const char *name, size_t index,
1396 struct fwnode_reference_args *args)
1401 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1402 const char *propname,
1408 static inline struct fwnode_handle *
1409 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1410 struct fwnode_handle *child)
1415 static inline struct fwnode_handle *
1416 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1417 struct fwnode_handle *prev)
1419 return ERR_PTR(-ENXIO);
1423 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1424 struct fwnode_handle **remote,
1425 struct fwnode_handle **port,
1426 struct fwnode_handle **endpoint)
1431 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1432 static const void * __acpi_table_##name[] \
1433 __attribute__((unused)) \
1434 = { (void *) table_id, \
1435 (void *) subtable, \
1440 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1443 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1444 void acpi_table_upgrade(void);
1446 static inline void acpi_table_upgrade(void) { }
1449 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1450 extern bool acpi_has_watchdog(void);
1452 static inline bool acpi_has_watchdog(void) { return false; }
1455 #ifdef CONFIG_ACPI_SPCR_TABLE
1456 extern bool qdf2400_e44_present;
1457 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1459 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1465 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1466 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1469 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1475 #ifdef CONFIG_ACPI_LPIT
1476 int lpit_read_residency_count_address(u64 *address);
1478 static inline int lpit_read_residency_count_address(u64 *address)
1484 #ifdef CONFIG_ACPI_PPTT
1485 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1486 int find_acpi_cpu_topology(unsigned int cpu, int level);
1487 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1488 int find_acpi_cpu_topology_package(unsigned int cpu);
1489 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1491 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1495 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1499 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1503 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1507 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1514 void acpi_arm_init(void);
1516 static inline void acpi_arm_init(void) { }
1519 #ifdef CONFIG_ACPI_PCC
1520 void acpi_init_pcc(void);
1522 static inline void acpi_init_pcc(void) { }
1525 #ifdef CONFIG_ACPI_FFH
1526 void acpi_init_ffh(void);
1527 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1528 void **region_ctxt);
1529 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1530 void *region_context);
1532 static inline void acpi_init_ffh(void) { }
1536 extern void acpi_device_notify(struct device *dev);
1537 extern void acpi_device_notify_remove(struct device *dev);
1539 static inline void acpi_device_notify(struct device *dev) { }
1540 static inline void acpi_device_notify_remove(struct device *dev) { }
1543 #endif /*_LINUX_ACPI_H*/