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)))
73 static inline bool has_acpi_companion(struct device *dev)
75 return is_acpi_device_node(dev->fwnode);
78 static inline void acpi_preset_companion(struct device *dev,
79 struct acpi_device *parent, u64 addr)
81 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
84 static inline const char *acpi_dev_name(struct acpi_device *adev)
86 return dev_name(&adev->dev);
89 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
91 enum acpi_irq_model_id {
92 ACPI_IRQ_MODEL_PIC = 0,
93 ACPI_IRQ_MODEL_IOAPIC,
94 ACPI_IRQ_MODEL_IOSAPIC,
95 ACPI_IRQ_MODEL_PLATFORM,
101 extern enum acpi_irq_model_id acpi_irq_model;
103 enum acpi_interrupt_id {
104 ACPI_INTERRUPT_PMI = 1,
110 #define ACPI_SPACE_MEM 0
112 enum acpi_address_range_id {
113 ACPI_ADDRESS_RANGE_MEMORY = 1,
114 ACPI_ADDRESS_RANGE_RESERVED = 2,
115 ACPI_ADDRESS_RANGE_ACPI = 3,
116 ACPI_ADDRESS_RANGE_NVS = 4,
117 ACPI_ADDRESS_RANGE_COUNT
122 union acpi_subtable_headers {
123 struct acpi_subtable_header common;
124 struct acpi_hmat_structure hmat;
125 struct acpi_prmt_module_header prmt;
126 struct acpi_cedt_header cedt;
129 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
131 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
132 const unsigned long end);
134 typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
135 void *arg, const unsigned long end);
137 /* Debugger support */
139 struct acpi_debugger_ops {
140 int (*create_thread)(acpi_osd_exec_callback function, void *context);
141 ssize_t (*write_log)(const char *msg);
142 ssize_t (*read_cmd)(char *buffer, size_t length);
143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
144 int (*notify_command_complete)(void);
147 struct acpi_debugger {
148 const struct acpi_debugger_ops *ops;
149 struct module *owner;
153 #ifdef CONFIG_ACPI_DEBUGGER
154 int __init acpi_debugger_init(void);
155 int acpi_register_debugger(struct module *owner,
156 const struct acpi_debugger_ops *ops);
157 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
158 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
159 ssize_t acpi_debugger_write_log(const char *msg);
160 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
161 int acpi_debugger_wait_command_ready(void);
162 int acpi_debugger_notify_command_complete(void);
164 static inline int acpi_debugger_init(void)
169 static inline int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops)
175 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
179 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
185 static inline int acpi_debugger_write_log(const char *msg)
190 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
195 static inline int acpi_debugger_wait_command_ready(void)
200 static inline int acpi_debugger_notify_command_complete(void)
206 #define BAD_MADT_ENTRY(entry, end) ( \
207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
210 struct acpi_subtable_proc {
212 acpi_tbl_entry_handler handler;
213 acpi_tbl_entry_handler_arg handler_arg;
218 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
219 void __acpi_unmap_table(void __iomem *map, unsigned long size);
220 int early_acpi_boot_init(void);
221 int acpi_boot_init (void);
222 void acpi_boot_table_prepare (void);
223 void acpi_boot_table_init (void);
224 int acpi_mps_check (void);
225 int acpi_numa_init (void);
227 int acpi_locate_initial_tables (void);
228 void acpi_reserve_initial_tables (void);
229 void acpi_table_init_complete (void);
230 int acpi_table_init (void);
232 #ifdef CONFIG_ACPI_TABLE_LIB
233 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
234 #define __init_or_acpilib
235 #define __initdata_or_acpilib
237 #define EXPORT_SYMBOL_ACPI_LIB(x)
238 #define __init_or_acpilib __init
239 #define __initdata_or_acpilib __initdata
242 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
243 int __init_or_acpilib acpi_table_parse_entries(char *id,
244 unsigned long table_size, int entry_id,
245 acpi_tbl_entry_handler handler, unsigned int max_entries);
246 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
247 unsigned long table_size, struct acpi_subtable_proc *proc,
248 int proc_num, unsigned int max_entries);
249 int acpi_table_parse_madt(enum acpi_madt_type id,
250 acpi_tbl_entry_handler handler,
251 unsigned int max_entries);
252 int __init_or_acpilib
253 acpi_table_parse_cedt(enum acpi_cedt_type id,
254 acpi_tbl_entry_handler_arg handler_arg, void *arg);
256 int acpi_parse_mcfg (struct acpi_table_header *header);
257 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
259 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc)
261 return gicc->flags & ACPI_MADT_ENABLED;
264 /* the following numa functions are architecture-dependent */
265 void acpi_numa_slit_init (struct acpi_table_slit *slit);
267 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
268 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
271 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
274 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
276 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
277 void acpi_arch_dma_setup(struct device *dev);
279 static inline void acpi_arch_dma_setup(struct device *dev) { }
283 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
286 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
289 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
291 #ifndef PHYS_CPUID_INVALID
292 typedef u32 phys_cpuid_t;
293 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
296 static inline bool invalid_logical_cpuid(u32 cpuid)
298 return (int)cpuid < 0;
301 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
303 return phys_id == PHYS_CPUID_INVALID;
306 /* Validate the processor object's proc_id */
307 bool acpi_duplicate_processor_id(int proc_id);
308 /* Processor _CTS control */
309 struct acpi_processor_power;
311 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
312 bool acpi_processor_claim_cst_control(void);
313 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
314 struct acpi_processor_power *info);
316 static inline bool acpi_processor_claim_cst_control(void) { return false; }
317 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
318 struct acpi_processor_power *info)
324 #ifdef CONFIG_ACPI_HOTPLUG_CPU
325 /* Arch dependent functions for cpu hotplug support */
326 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
328 int acpi_unmap_cpu(int cpu);
329 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
331 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
332 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
335 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
336 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
337 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
338 void acpi_irq_stats_init(void);
339 extern u32 acpi_irq_handled;
340 extern u32 acpi_irq_not_handled;
341 extern unsigned int acpi_sci_irq;
342 extern bool acpi_no_s5;
343 #define INVALID_ACPI_IRQ ((unsigned)-1)
344 static inline bool acpi_sci_irq_valid(void)
346 return acpi_sci_irq != INVALID_ACPI_IRQ;
350 extern unsigned long acpi_realmode_flags;
352 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
353 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
354 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
356 void acpi_set_irq_model(enum acpi_irq_model_id model,
357 struct fwnode_handle *(*)(u32));
358 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
360 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
362 struct fwnode_handle *fwnode,
363 const struct irq_domain_ops *ops,
366 #ifdef CONFIG_X86_IO_APIC
367 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
369 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
375 * This function undoes the effect of one call to acpi_register_gsi().
376 * If this matches the last registration, any IRQ resources for gsi
379 void acpi_unregister_gsi (u32 gsi);
383 int acpi_pci_irq_enable (struct pci_dev *dev);
384 void acpi_penalize_isa_irq(int irq, int active);
385 bool acpi_isa_irq_available(int irq);
387 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
389 static inline void acpi_penalize_sci_irq(int irq, int trigger,
394 void acpi_pci_irq_disable (struct pci_dev *dev);
396 extern int ec_read(u8 addr, u8 *val);
397 extern int ec_write(u8 addr, u8 val);
398 extern int ec_transaction(u8 command,
399 const u8 *wdata, unsigned wdata_len,
400 u8 *rdata, unsigned rdata_len);
401 extern acpi_handle ec_get_handle(void);
403 extern bool acpi_is_pnp_device(struct acpi_device *);
405 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
407 typedef void (*wmi_notify_handler) (u32 value, void *context);
409 int wmi_instance_count(const char *guid);
411 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
413 const struct acpi_buffer *in,
414 struct acpi_buffer *out);
415 extern acpi_status wmi_query_block(const char *guid, u8 instance,
416 struct acpi_buffer *out);
417 extern acpi_status wmi_set_block(const char *guid, u8 instance,
418 const struct acpi_buffer *in);
419 extern acpi_status wmi_install_notify_handler(const char *guid,
420 wmi_notify_handler handler, void *data);
421 extern acpi_status wmi_remove_notify_handler(const char *guid);
422 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
423 extern bool wmi_has_guid(const char *guid);
424 extern char *wmi_get_acpi_device_uid(const char *guid);
426 #endif /* CONFIG_ACPI_WMI */
428 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
429 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
430 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
431 #define ACPI_VIDEO_BACKLIGHT 0x0008
432 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
433 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
434 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
435 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
436 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
437 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
438 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
439 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
441 extern char acpi_video_backlight_string[];
442 extern long acpi_is_video_device(acpi_handle handle);
443 extern int acpi_blacklisted(void);
444 extern void acpi_osi_setup(char *str);
445 extern bool acpi_osi_is_win8(void);
447 #ifdef CONFIG_ACPI_NUMA
448 int acpi_map_pxm_to_node(int pxm);
449 int acpi_get_node(acpi_handle handle);
452 * pxm_to_online_node - Map proximity ID to online node
453 * @pxm: ACPI proximity ID
455 * This is similar to pxm_to_node(), but always returns an online
456 * node. When the mapped node from a given proximity ID is offline, it
457 * looks up the node distance table and returns the nearest online node.
459 * ACPI device drivers, which are called after the NUMA initialization has
460 * completed in the kernel, can call this interface to obtain their device
461 * NUMA topology from ACPI tables. Such drivers do not have to deal with
462 * offline nodes. A node may be offline when SRAT memory entry does not exist,
463 * or NUMA is disabled, ex. "numa=off" on x86.
465 static inline int pxm_to_online_node(int pxm)
467 int node = pxm_to_node(pxm);
469 return numa_map_to_online_node(node);
472 static inline int pxm_to_online_node(int pxm)
476 static inline int acpi_map_pxm_to_node(int pxm)
480 static inline int acpi_get_node(acpi_handle handle)
485 extern int pnpacpi_disabled;
487 #define PXM_INVAL (-1)
489 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
490 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
491 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
492 struct resource_win *win);
493 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
494 struct resource_win *win);
495 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
496 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
497 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
498 struct resource *res);
500 void acpi_dev_free_resource_list(struct list_head *list);
501 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
502 int (*preproc)(struct acpi_resource *, void *),
504 int acpi_dev_get_dma_resources(struct acpi_device *adev,
505 struct list_head *list);
506 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
507 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
508 unsigned long types);
510 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
513 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
516 struct acpi_device *acpi_resource_consumer(struct resource *res);
518 int acpi_check_resource_conflict(const struct resource *res);
520 int acpi_check_region(resource_size_t start, resource_size_t n,
523 int acpi_resources_are_enforced(void);
525 #ifdef CONFIG_HIBERNATION
526 extern int acpi_check_s4_hw_signature;
529 #ifdef CONFIG_PM_SLEEP
530 void __init acpi_old_suspend_ordering(void);
531 void __init acpi_nvs_nosave(void);
532 void __init acpi_nvs_nosave_s3(void);
533 void __init acpi_sleep_no_blacklist(void);
534 #endif /* CONFIG_PM_SLEEP */
536 int acpi_register_wakeup_handler(
537 int wake_irq, bool (*wakeup)(void *context), void *context);
538 void acpi_unregister_wakeup_handler(
539 bool (*wakeup)(void *context), void *context);
541 struct acpi_osc_context {
542 char *uuid_str; /* UUID string */
544 struct acpi_buffer cap; /* list of DWORD capabilities */
545 struct acpi_buffer ret; /* free by caller if success */
548 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
550 /* Number of _OSC capability DWORDS depends on bridge type */
551 #define OSC_PCI_CAPABILITY_DWORDS 3
552 #define OSC_CXL_CAPABILITY_DWORDS 5
554 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
555 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
556 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
557 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
558 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
559 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
561 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
562 #define OSC_QUERY_ENABLE 0x00000001 /* input */
563 #define OSC_REQUEST_ERROR 0x00000002 /* return */
564 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
565 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
566 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
568 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
569 #define OSC_SB_PAD_SUPPORT 0x00000001
570 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
571 #define OSC_SB_PR3_SUPPORT 0x00000004
572 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
573 #define OSC_SB_APEI_SUPPORT 0x00000010
574 #define OSC_SB_CPC_SUPPORT 0x00000020
575 #define OSC_SB_CPCV2_SUPPORT 0x00000040
576 #define OSC_SB_PCLPI_SUPPORT 0x00000080
577 #define OSC_SB_OSLPI_SUPPORT 0x00000100
578 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
579 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
580 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
581 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
582 #define OSC_SB_PRM_SUPPORT 0x00200000
583 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
585 extern bool osc_sb_apei_support_acked;
586 extern bool osc_pc_lpi_support_confirmed;
587 extern bool osc_sb_native_usb4_support_confirmed;
588 extern bool osc_sb_cppc2_support_acked;
589 extern bool osc_cpc_flexible_adr_space_confirmed;
591 /* USB4 Capabilities */
592 #define OSC_USB_USB3_TUNNELING 0x00000001
593 #define OSC_USB_DP_TUNNELING 0x00000002
594 #define OSC_USB_PCIE_TUNNELING 0x00000004
595 #define OSC_USB_XDOMAIN 0x00000008
597 extern u32 osc_sb_native_usb4_control;
599 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
600 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
601 #define OSC_PCI_ASPM_SUPPORT 0x00000002
602 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
603 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
604 #define OSC_PCI_MSI_SUPPORT 0x00000010
605 #define OSC_PCI_EDR_SUPPORT 0x00000080
606 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
608 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
609 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
610 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
611 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
612 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
613 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
614 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
615 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
617 /* CXL _OSC: Capabilities DWORD 4: Support Field */
618 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
619 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
620 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
621 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
623 /* CXL _OSC: Capabilities DWORD 5: Control Field */
624 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
626 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
628 u32 *ret = context->ret.pointer;
630 return ret[OSC_CONTROL_DWORD];
633 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
635 u32 *ret = context->ret.pointer;
637 return ret[OSC_EXT_CONTROL_DWORD];
640 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
641 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
642 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
643 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
644 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
645 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
646 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
647 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
648 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
649 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
651 /* Enable _OST when all relevant hotplug operations are enabled */
652 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
653 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
654 defined(CONFIG_ACPI_CONTAINER)
655 #define ACPI_HOTPLUG_OST
658 /* _OST Source Event Code (OSPM Action) */
659 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
660 #define ACPI_OST_EC_OSPM_EJECT 0x103
661 #define ACPI_OST_EC_OSPM_INSERTION 0x200
663 /* _OST General Processing Status Code */
664 #define ACPI_OST_SC_SUCCESS 0x0
665 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
666 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
668 /* _OST OS Shutdown Processing (0x100) Status Code */
669 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
670 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
671 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
672 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
674 /* _OST Ejection Request (0x3, 0x103) Status Code */
675 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
676 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
677 #define ACPI_OST_SC_DEVICE_BUSY 0x82
678 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
679 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
681 /* _OST Insertion Request (0x200) Status Code */
682 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
683 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
684 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
686 enum acpi_predicate {
690 greater_than_or_equal,
693 /* Table must be terminted by a NULL entry */
694 struct acpi_platform_list {
695 char oem_id[ACPI_OEM_ID_SIZE+1];
696 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
699 enum acpi_predicate pred;
703 int acpi_match_platform_list(const struct acpi_platform_list *plat);
705 extern void acpi_early_init(void);
706 extern void acpi_subsystem_init(void);
708 extern int acpi_nvs_register(__u64 start, __u64 size);
710 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
713 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
714 const struct acpi_device *adev);
716 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
717 const struct device *dev);
719 const void *acpi_device_get_match_data(const struct device *dev);
720 extern bool acpi_driver_match_device(struct device *dev,
721 const struct device_driver *drv);
722 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
723 int acpi_device_modalias(struct device *, char *, int);
725 struct platform_device *acpi_create_platform_device(struct acpi_device *,
726 const struct property_entry *);
727 #define ACPI_PTR(_ptr) (_ptr)
729 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
731 adev->flags.visited = true;
734 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
736 adev->flags.visited = false;
739 enum acpi_reconfig_event {
740 ACPI_RECONFIG_DEVICE_ADD = 0,
741 ACPI_RECONFIG_DEVICE_REMOVE,
744 int acpi_reconfig_notifier_register(struct notifier_block *nb);
745 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
747 #ifdef CONFIG_ACPI_GTDT
748 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
749 int acpi_gtdt_map_ppi(int type);
750 bool acpi_gtdt_c3stop(int type);
751 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
754 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
755 static inline void acpi_arch_set_root_pointer(u64 addr)
760 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
761 static inline u64 acpi_arch_get_root_pointer(void)
767 int acpi_get_local_address(acpi_handle handle, u32 *addr);
768 const char *acpi_get_subsystem_id(acpi_handle handle);
770 #else /* !CONFIG_ACPI */
772 #define acpi_disabled 1
774 #define ACPI_COMPANION(dev) (NULL)
775 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
776 #define ACPI_HANDLE(dev) (NULL)
777 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
779 #include <acpi/acpi_numa.h>
781 struct fwnode_handle;
783 static inline bool acpi_dev_found(const char *hid)
788 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
795 static inline bool acpi_dev_uid_match(struct acpi_device *adev, const char *uid2)
801 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
806 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
811 static inline struct acpi_device *
812 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
817 static inline bool acpi_reduced_hardware(void)
822 static inline void acpi_dev_put(struct acpi_device *adev) {}
824 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
829 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
834 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
839 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
844 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
849 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
855 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
860 static inline bool has_acpi_companion(struct device *dev)
865 static inline void acpi_preset_companion(struct device *dev,
866 struct acpi_device *parent, u64 addr)
870 static inline const char *acpi_dev_name(struct acpi_device *adev)
875 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
880 static inline void acpi_early_init(void) { }
881 static inline void acpi_subsystem_init(void) { }
883 static inline int early_acpi_boot_init(void)
887 static inline int acpi_boot_init(void)
892 static inline void acpi_boot_table_prepare(void)
896 static inline void acpi_boot_table_init(void)
900 static inline int acpi_mps_check(void)
905 static inline int acpi_check_resource_conflict(struct resource *res)
910 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
916 struct acpi_table_header;
917 static inline int acpi_table_parse(char *id,
918 int (*handler)(struct acpi_table_header *))
923 static inline int acpi_nvs_register(__u64 start, __u64 size)
928 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
934 struct acpi_device_id;
936 static inline const struct acpi_device_id *acpi_match_acpi_device(
937 const struct acpi_device_id *ids, const struct acpi_device *adev)
942 static inline const struct acpi_device_id *acpi_match_device(
943 const struct acpi_device_id *ids, const struct device *dev)
948 static inline const void *acpi_device_get_match_data(const struct device *dev)
953 static inline bool acpi_driver_match_device(struct device *dev,
954 const struct device_driver *drv)
959 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
965 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
968 union acpi_object *argv4)
973 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
976 union acpi_object *argv4,
977 acpi_object_type type)
982 static inline int acpi_device_uevent_modalias(const struct device *dev,
983 struct kobj_uevent_env *env)
988 static inline int acpi_device_modalias(struct device *dev,
994 static inline struct platform_device *
995 acpi_create_platform_device(struct acpi_device *adev,
996 const struct property_entry *properties)
1001 static inline bool acpi_dma_supported(const struct acpi_device *adev)
1006 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1008 return DEV_DMA_NOT_SUPPORTED;
1011 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1016 static inline int acpi_dma_configure(struct device *dev,
1017 enum dev_dma_attr attr)
1022 static inline int acpi_dma_configure_id(struct device *dev,
1023 enum dev_dma_attr attr,
1024 const u32 *input_id)
1029 #define ACPI_PTR(_ptr) (NULL)
1031 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1035 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1039 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1044 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1049 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1054 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1059 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1061 return ERR_PTR(-ENODEV);
1064 static inline int acpi_register_wakeup_handler(int wake_irq,
1065 bool (*wakeup)(void *context), void *context)
1070 static inline void acpi_unregister_wakeup_handler(
1071 bool (*wakeup)(void *context), void *context) { }
1073 struct acpi_osc_context;
1074 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1079 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1084 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1089 #endif /* !CONFIG_ACPI */
1091 extern void arch_post_acpi_subsys_init(void);
1093 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1094 int acpi_ioapic_add(acpi_handle root);
1096 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1100 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1101 u32 pm1a_ctrl, u32 pm1b_ctrl));
1103 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1104 u32 pm1a_control, u32 pm1b_control);
1106 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1107 u32 val_a, u32 val_b));
1109 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1110 u32 val_a, u32 val_b);
1111 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1112 struct acpi_s2idle_dev_ops {
1113 struct list_head list_node;
1114 void (*prepare)(void);
1115 void (*check)(void);
1116 void (*restore)(void);
1118 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1119 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1120 int acpi_get_lps0_constraint(struct acpi_device *adev);
1121 #else /* CONFIG_SUSPEND && CONFIG_X86 */
1122 static inline int acpi_get_lps0_constraint(struct device *dev)
1124 return ACPI_STATE_UNKNOWN;
1126 #endif /* CONFIG_SUSPEND && CONFIG_X86 */
1127 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1129 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1132 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1133 int acpi_dev_suspend(struct device *dev, bool wakeup);
1134 int acpi_dev_resume(struct device *dev);
1135 int acpi_subsys_runtime_suspend(struct device *dev);
1136 int acpi_subsys_runtime_resume(struct device *dev);
1137 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1138 bool acpi_storage_d3(struct device *dev);
1139 bool acpi_dev_state_d0(struct device *dev);
1141 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1142 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1143 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1147 static inline bool acpi_storage_d3(struct device *dev)
1151 static inline bool acpi_dev_state_d0(struct device *dev)
1157 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1158 int acpi_subsys_prepare(struct device *dev);
1159 void acpi_subsys_complete(struct device *dev);
1160 int acpi_subsys_suspend_late(struct device *dev);
1161 int acpi_subsys_suspend_noirq(struct device *dev);
1162 int acpi_subsys_suspend(struct device *dev);
1163 int acpi_subsys_freeze(struct device *dev);
1164 int acpi_subsys_poweroff(struct device *dev);
1165 void acpi_ec_mark_gpe_for_wake(void);
1166 void acpi_ec_set_gpe_wake_mask(u8 action);
1167 int acpi_subsys_restore_early(struct device *dev);
1169 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1170 static inline void acpi_subsys_complete(struct device *dev) {}
1171 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1172 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1173 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1174 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1175 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1176 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1177 static inline void acpi_ec_mark_gpe_for_wake(void) {}
1178 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1183 void acpi_handle_printk(const char *level, acpi_handle handle,
1184 const char *fmt, ...);
1185 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1186 acpi_status status);
1187 #else /* !CONFIG_ACPI */
1188 static inline __printf(3, 4) void
1189 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1190 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1192 acpi_status status) {}
1193 #endif /* !CONFIG_ACPI */
1195 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1197 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1201 * acpi_handle_<level>: Print message with ACPI prefix and object path
1203 * These interfaces acquire the global namespace mutex to obtain an object
1204 * path. In interrupt context, it shows the object path as <n/a>.
1206 #define acpi_handle_emerg(handle, fmt, ...) \
1207 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1208 #define acpi_handle_alert(handle, fmt, ...) \
1209 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1210 #define acpi_handle_crit(handle, fmt, ...) \
1211 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1212 #define acpi_handle_err(handle, fmt, ...) \
1213 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1214 #define acpi_handle_warn(handle, fmt, ...) \
1215 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1216 #define acpi_handle_notice(handle, fmt, ...) \
1217 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1218 #define acpi_handle_info(handle, fmt, ...) \
1219 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1222 #define acpi_handle_debug(handle, fmt, ...) \
1223 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1225 #if defined(CONFIG_DYNAMIC_DEBUG)
1226 #define acpi_handle_debug(handle, fmt, ...) \
1227 _dynamic_func_call(fmt, __acpi_handle_debug, \
1228 handle, pr_fmt(fmt), ##__VA_ARGS__)
1230 #define acpi_handle_debug(handle, fmt, ...) \
1233 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1239 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1240 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1241 struct acpi_resource_gpio **agpio);
1242 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1243 struct acpi_resource_gpio **agpio);
1244 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1245 bool *wake_capable);
1247 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1248 struct acpi_resource_gpio **agpio)
1252 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1253 struct acpi_resource_gpio **agpio)
1257 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1258 int index, bool *wake_capable)
1264 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1267 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1270 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1273 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1276 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1278 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1281 /* Device properties */
1284 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1285 acpi_object_type type, const union acpi_object **obj);
1286 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1287 const char *name, size_t index, size_t num_args,
1288 struct fwnode_reference_args *args);
1290 static inline int acpi_node_get_property_reference(
1291 const struct fwnode_handle *fwnode,
1292 const char *name, size_t index,
1293 struct fwnode_reference_args *args)
1295 return __acpi_node_get_property_reference(fwnode, name, index,
1296 NR_FWNODE_REFERENCE_ARGS, args);
1299 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1301 return !list_empty(&adev->data.properties);
1304 struct acpi_device_properties *
1305 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1306 union acpi_object *properties);
1308 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1311 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1312 struct fwnode_handle *child);
1314 struct acpi_probe_entry;
1315 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1316 struct acpi_probe_entry *);
1318 #define ACPI_TABLE_ID_LEN 5
1321 * struct acpi_probe_entry - boot-time probing entry
1322 * @id: ACPI table name
1323 * @type: Optional subtable type to match
1324 * (if @id contains subtables)
1325 * @subtable_valid: Optional callback to check the validity of
1327 * @probe_table: Callback to the driver being probed when table
1328 * match is successful
1329 * @probe_subtbl: Callback to the driver being probed when table and
1330 * subtable match (and optional callback is successful)
1331 * @driver_data: Sideband data provided back to the driver
1333 struct acpi_probe_entry {
1334 __u8 id[ACPI_TABLE_ID_LEN];
1336 acpi_probe_entry_validate_subtbl subtable_valid;
1338 acpi_tbl_table_handler probe_table;
1339 acpi_tbl_entry_handler probe_subtbl;
1341 kernel_ulong_t driver_data;
1344 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1346 static const struct acpi_probe_entry __acpi_probe_##name \
1347 __used __section("__" #table "_acpi_probe_table") = { \
1350 .subtable_valid = valid, \
1351 .probe_table = fn, \
1352 .driver_data = data, \
1355 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1356 subtable, valid, data, fn) \
1357 static const struct acpi_probe_entry __acpi_probe_##name \
1358 __used __section("__" #table "_acpi_probe_table") = { \
1361 .subtable_valid = valid, \
1362 .probe_subtbl = fn, \
1363 .driver_data = data, \
1366 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1367 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1369 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1371 #define acpi_probe_device_table(t) \
1373 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1374 ACPI_PROBE_TABLE_END(t); \
1375 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1376 (&ACPI_PROBE_TABLE_END(t) - \
1377 &ACPI_PROBE_TABLE(t))); \
1380 static inline int acpi_dev_get_property(struct acpi_device *adev,
1381 const char *name, acpi_object_type type,
1382 const union acpi_object **obj)
1388 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1389 const char *name, size_t index, size_t num_args,
1390 struct fwnode_reference_args *args)
1396 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1397 const char *name, size_t index,
1398 struct fwnode_reference_args *args)
1403 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1404 const char *propname,
1410 static inline struct fwnode_handle *
1411 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1412 struct fwnode_handle *child)
1417 static inline struct fwnode_handle *
1418 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1419 struct fwnode_handle *prev)
1421 return ERR_PTR(-ENXIO);
1425 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1426 struct fwnode_handle **remote,
1427 struct fwnode_handle **port,
1428 struct fwnode_handle **endpoint)
1433 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1434 static const void * __acpi_table_##name[] \
1435 __attribute__((unused)) \
1436 = { (void *) table_id, \
1437 (void *) subtable, \
1442 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1445 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1446 void acpi_table_upgrade(void);
1448 static inline void acpi_table_upgrade(void) { }
1451 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1452 extern bool acpi_has_watchdog(void);
1454 static inline bool acpi_has_watchdog(void) { return false; }
1457 #ifdef CONFIG_ACPI_SPCR_TABLE
1458 extern bool qdf2400_e44_present;
1459 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1461 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1467 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1468 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1471 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1477 #ifdef CONFIG_ACPI_LPIT
1478 int lpit_read_residency_count_address(u64 *address);
1480 static inline int lpit_read_residency_count_address(u64 *address)
1486 #ifdef CONFIG_ACPI_PROCESSOR_IDLE
1487 #ifndef arch_get_idle_state_flags
1488 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1493 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1495 #ifdef CONFIG_ACPI_PPTT
1496 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1497 int find_acpi_cpu_topology(unsigned int cpu, int level);
1498 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1499 int find_acpi_cpu_topology_package(unsigned int cpu);
1500 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1502 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1506 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1510 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1514 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1518 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1525 void acpi_arm_init(void);
1527 static inline void acpi_arm_init(void) { }
1530 #ifdef CONFIG_ACPI_PCC
1531 void acpi_init_pcc(void);
1533 static inline void acpi_init_pcc(void) { }
1536 #ifdef CONFIG_ACPI_FFH
1537 void acpi_init_ffh(void);
1538 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1539 void **region_ctxt);
1540 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1541 void *region_context);
1543 static inline void acpi_init_ffh(void) { }
1547 extern void acpi_device_notify(struct device *dev);
1548 extern void acpi_device_notify_remove(struct device *dev);
1550 static inline void acpi_device_notify(struct device *dev) { }
1551 static inline void acpi_device_notify_remove(struct device *dev) { }
1554 #endif /*_LINUX_ACPI_H*/