1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * acpi.h - ACPI Interface
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>
18 #include <linux/node.h>
21 struct irq_domain_ops;
26 #include <acpi/acpi.h>
30 #include <linux/list.h>
31 #include <linux/dynamic_debug.h>
32 #include <linux/module.h>
33 #include <linux/mutex.h>
34 #include <linux/fw_table.h>
36 #include <acpi/acpi_bus.h>
37 #include <acpi/acpi_drivers.h>
38 #include <acpi/acpi_numa.h>
39 #include <acpi/acpi_io.h>
42 #ifdef CONFIG_ACPI_TABLE_LIB
43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
44 #define __init_or_acpilib
45 #define __initdata_or_acpilib
47 #define EXPORT_SYMBOL_ACPI_LIB(x)
48 #define __init_or_acpilib __init
49 #define __initdata_or_acpilib __initdata
52 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
54 return adev ? adev->handle : NULL;
57 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
58 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61 #define ACPI_HANDLE_FWNODE(fwnode) \
62 acpi_device_handle(to_acpi_device_node(fwnode))
64 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
66 struct fwnode_handle *fwnode;
68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
72 fwnode_init(fwnode, &acpi_static_fwnode_ops);
77 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
79 if (WARN_ON(!is_acpi_static_node(fwnode)))
85 static inline bool has_acpi_companion(struct device *dev)
87 return is_acpi_device_node(dev->fwnode);
90 static inline void acpi_preset_companion(struct device *dev,
91 struct acpi_device *parent, u64 addr)
93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
96 static inline const char *acpi_dev_name(struct acpi_device *adev)
98 return dev_name(&adev->dev);
101 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
103 enum acpi_irq_model_id {
104 ACPI_IRQ_MODEL_PIC = 0,
105 ACPI_IRQ_MODEL_IOAPIC,
106 ACPI_IRQ_MODEL_IOSAPIC,
107 ACPI_IRQ_MODEL_PLATFORM,
113 extern enum acpi_irq_model_id acpi_irq_model;
115 enum acpi_interrupt_id {
116 ACPI_INTERRUPT_PMI = 1,
122 #define ACPI_SPACE_MEM 0
124 enum acpi_address_range_id {
125 ACPI_ADDRESS_RANGE_MEMORY = 1,
126 ACPI_ADDRESS_RANGE_RESERVED = 2,
127 ACPI_ADDRESS_RANGE_ACPI = 3,
128 ACPI_ADDRESS_RANGE_NVS = 4,
129 ACPI_ADDRESS_RANGE_COUNT
134 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
136 /* Debugger support */
138 struct acpi_debugger_ops {
139 int (*create_thread)(acpi_osd_exec_callback function, void *context);
140 ssize_t (*write_log)(const char *msg);
141 ssize_t (*read_cmd)(char *buffer, size_t length);
142 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
143 int (*notify_command_complete)(void);
146 struct acpi_debugger {
147 const struct acpi_debugger_ops *ops;
148 struct module *owner;
152 #ifdef CONFIG_ACPI_DEBUGGER
153 int __init acpi_debugger_init(void);
154 int acpi_register_debugger(struct module *owner,
155 const struct acpi_debugger_ops *ops);
156 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
157 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
158 ssize_t acpi_debugger_write_log(const char *msg);
159 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
160 int acpi_debugger_wait_command_ready(void);
161 int acpi_debugger_notify_command_complete(void);
163 static inline int acpi_debugger_init(void)
168 static inline int acpi_register_debugger(struct module *owner,
169 const struct acpi_debugger_ops *ops)
174 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
178 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
184 static inline int acpi_debugger_write_log(const char *msg)
189 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
194 static inline int acpi_debugger_wait_command_ready(void)
199 static inline int acpi_debugger_notify_command_complete(void)
205 #define BAD_MADT_ENTRY(entry, end) ( \
206 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
207 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
209 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
210 void __acpi_unmap_table(void __iomem *map, unsigned long size);
211 int early_acpi_boot_init(void);
212 int acpi_boot_init (void);
213 void acpi_boot_table_prepare (void);
214 void acpi_boot_table_init (void);
215 int acpi_mps_check (void);
216 int acpi_numa_init (void);
218 int acpi_locate_initial_tables (void);
219 void acpi_reserve_initial_tables (void);
220 void acpi_table_init_complete (void);
221 int acpi_table_init (void);
223 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
224 int __init_or_acpilib acpi_table_parse_entries(char *id,
225 unsigned long table_size, int entry_id,
226 acpi_tbl_entry_handler handler, unsigned int max_entries);
227 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
228 unsigned long table_size, struct acpi_subtable_proc *proc,
229 int proc_num, unsigned int max_entries);
230 int acpi_table_parse_madt(enum acpi_madt_type id,
231 acpi_tbl_entry_handler handler,
232 unsigned int max_entries);
233 int __init_or_acpilib
234 acpi_table_parse_cedt(enum acpi_cedt_type id,
235 acpi_tbl_entry_handler_arg handler_arg, void *arg);
237 int acpi_parse_mcfg (struct acpi_table_header *header);
238 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
240 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc)
242 return gicc->flags & ACPI_MADT_ENABLED;
245 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
246 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
249 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
252 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
254 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
255 void acpi_arch_dma_setup(struct device *dev);
257 static inline void acpi_arch_dma_setup(struct device *dev) { }
261 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
264 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
267 #ifndef PHYS_CPUID_INVALID
268 typedef u32 phys_cpuid_t;
269 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
272 static inline bool invalid_logical_cpuid(u32 cpuid)
274 return (int)cpuid < 0;
277 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
279 return phys_id == PHYS_CPUID_INVALID;
282 /* Validate the processor object's proc_id */
283 bool acpi_duplicate_processor_id(int proc_id);
284 /* Processor _CTS control */
285 struct acpi_processor_power;
287 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
288 bool acpi_processor_claim_cst_control(void);
289 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
290 struct acpi_processor_power *info);
292 static inline bool acpi_processor_claim_cst_control(void) { return false; }
293 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
294 struct acpi_processor_power *info)
300 #ifdef CONFIG_ACPI_HOTPLUG_CPU
301 /* Arch dependent functions for cpu hotplug support */
302 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
304 int acpi_unmap_cpu(int cpu);
305 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
307 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
308 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
311 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
312 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
313 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
314 void acpi_irq_stats_init(void);
315 extern u32 acpi_irq_handled;
316 extern u32 acpi_irq_not_handled;
317 extern unsigned int acpi_sci_irq;
318 extern bool acpi_no_s5;
319 #define INVALID_ACPI_IRQ ((unsigned)-1)
320 static inline bool acpi_sci_irq_valid(void)
322 return acpi_sci_irq != INVALID_ACPI_IRQ;
326 extern unsigned long acpi_realmode_flags;
328 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
329 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
330 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
332 void acpi_set_irq_model(enum acpi_irq_model_id model,
333 struct fwnode_handle *(*)(u32));
334 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
336 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
338 struct fwnode_handle *fwnode,
339 const struct irq_domain_ops *ops,
342 #ifdef CONFIG_X86_IO_APIC
343 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
345 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
351 * This function undoes the effect of one call to acpi_register_gsi().
352 * If this matches the last registration, any IRQ resources for gsi
355 void acpi_unregister_gsi (u32 gsi);
359 int acpi_pci_irq_enable (struct pci_dev *dev);
360 void acpi_penalize_isa_irq(int irq, int active);
361 bool acpi_isa_irq_available(int irq);
363 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
365 static inline void acpi_penalize_sci_irq(int irq, int trigger,
370 void acpi_pci_irq_disable (struct pci_dev *dev);
372 extern int ec_read(u8 addr, u8 *val);
373 extern int ec_write(u8 addr, u8 val);
374 extern int ec_transaction(u8 command,
375 const u8 *wdata, unsigned wdata_len,
376 u8 *rdata, unsigned rdata_len);
377 extern acpi_handle ec_get_handle(void);
379 extern bool acpi_is_pnp_device(struct acpi_device *);
381 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
383 typedef void (*wmi_notify_handler) (u32 value, void *context);
385 int wmi_instance_count(const char *guid);
387 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
389 const struct acpi_buffer *in,
390 struct acpi_buffer *out);
391 extern acpi_status wmi_query_block(const char *guid, u8 instance,
392 struct acpi_buffer *out);
393 extern acpi_status wmi_set_block(const char *guid, u8 instance,
394 const struct acpi_buffer *in);
395 extern acpi_status wmi_install_notify_handler(const char *guid,
396 wmi_notify_handler handler, void *data);
397 extern acpi_status wmi_remove_notify_handler(const char *guid);
398 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
399 extern bool wmi_has_guid(const char *guid);
400 extern char *wmi_get_acpi_device_uid(const char *guid);
402 #endif /* CONFIG_ACPI_WMI */
404 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
405 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
406 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
407 #define ACPI_VIDEO_BACKLIGHT 0x0008
408 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
409 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
410 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
411 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
412 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
413 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
414 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
415 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
417 extern char acpi_video_backlight_string[];
418 extern long acpi_is_video_device(acpi_handle handle);
420 extern void acpi_osi_setup(char *str);
421 extern bool acpi_osi_is_win8(void);
423 #ifdef CONFIG_ACPI_THERMAL_LIB
424 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
425 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
426 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
427 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
430 #ifdef CONFIG_ACPI_HMAT
431 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
433 static inline int acpi_get_genport_coordinates(u32 uid,
434 struct access_coordinate *coord)
440 #ifdef CONFIG_ACPI_NUMA
441 int acpi_map_pxm_to_node(int pxm);
442 int acpi_get_node(acpi_handle handle);
445 * pxm_to_online_node - Map proximity ID to online node
446 * @pxm: ACPI proximity ID
448 * This is similar to pxm_to_node(), but always returns an online
449 * node. When the mapped node from a given proximity ID is offline, it
450 * looks up the node distance table and returns the nearest online node.
452 * ACPI device drivers, which are called after the NUMA initialization has
453 * completed in the kernel, can call this interface to obtain their device
454 * NUMA topology from ACPI tables. Such drivers do not have to deal with
455 * offline nodes. A node may be offline when SRAT memory entry does not exist,
456 * or NUMA is disabled, ex. "numa=off" on x86.
458 static inline int pxm_to_online_node(int pxm)
460 int node = pxm_to_node(pxm);
462 return numa_map_to_online_node(node);
465 static inline int pxm_to_online_node(int pxm)
469 static inline int acpi_map_pxm_to_node(int pxm)
473 static inline int acpi_get_node(acpi_handle handle)
478 extern int pnpacpi_disabled;
480 #define PXM_INVAL (-1)
482 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
483 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
484 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
485 struct resource_win *win);
486 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
487 struct resource_win *win);
488 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
489 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
490 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
491 struct resource *res);
493 void acpi_dev_free_resource_list(struct list_head *list);
494 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
495 int (*preproc)(struct acpi_resource *, void *),
497 int acpi_dev_get_dma_resources(struct acpi_device *adev,
498 struct list_head *list);
499 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
500 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
501 unsigned long types);
503 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
506 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
509 struct acpi_device *acpi_resource_consumer(struct resource *res);
511 int acpi_check_resource_conflict(const struct resource *res);
513 int acpi_check_region(resource_size_t start, resource_size_t n,
516 int acpi_resources_are_enforced(void);
518 #ifdef CONFIG_HIBERNATION
519 extern int acpi_check_s4_hw_signature;
522 #ifdef CONFIG_PM_SLEEP
523 void __init acpi_old_suspend_ordering(void);
524 void __init acpi_nvs_nosave(void);
525 void __init acpi_nvs_nosave_s3(void);
526 void __init acpi_sleep_no_blacklist(void);
527 #endif /* CONFIG_PM_SLEEP */
529 int acpi_register_wakeup_handler(
530 int wake_irq, bool (*wakeup)(void *context), void *context);
531 void acpi_unregister_wakeup_handler(
532 bool (*wakeup)(void *context), void *context);
534 struct acpi_osc_context {
535 char *uuid_str; /* UUID string */
537 struct acpi_buffer cap; /* list of DWORD capabilities */
538 struct acpi_buffer ret; /* free by caller if success */
541 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
543 /* Number of _OSC capability DWORDS depends on bridge type */
544 #define OSC_PCI_CAPABILITY_DWORDS 3
545 #define OSC_CXL_CAPABILITY_DWORDS 5
547 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
548 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
549 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
550 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
551 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
552 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
554 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
555 #define OSC_QUERY_ENABLE 0x00000001 /* input */
556 #define OSC_REQUEST_ERROR 0x00000002 /* return */
557 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
558 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
559 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
561 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
562 #define OSC_SB_PAD_SUPPORT 0x00000001
563 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
564 #define OSC_SB_PR3_SUPPORT 0x00000004
565 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
566 #define OSC_SB_APEI_SUPPORT 0x00000010
567 #define OSC_SB_CPC_SUPPORT 0x00000020
568 #define OSC_SB_CPCV2_SUPPORT 0x00000040
569 #define OSC_SB_PCLPI_SUPPORT 0x00000080
570 #define OSC_SB_OSLPI_SUPPORT 0x00000100
571 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
572 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
573 #define OSC_SB_GED_SUPPORT 0x00000800
574 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
575 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
576 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
577 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
578 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
579 #define OSC_SB_PRM_SUPPORT 0x00200000
580 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
582 extern bool osc_sb_apei_support_acked;
583 extern bool osc_pc_lpi_support_confirmed;
584 extern bool osc_sb_native_usb4_support_confirmed;
585 extern bool osc_sb_cppc2_support_acked;
586 extern bool osc_cpc_flexible_adr_space_confirmed;
588 /* USB4 Capabilities */
589 #define OSC_USB_USB3_TUNNELING 0x00000001
590 #define OSC_USB_DP_TUNNELING 0x00000002
591 #define OSC_USB_PCIE_TUNNELING 0x00000004
592 #define OSC_USB_XDOMAIN 0x00000008
594 extern u32 osc_sb_native_usb4_control;
596 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
597 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
598 #define OSC_PCI_ASPM_SUPPORT 0x00000002
599 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
600 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
601 #define OSC_PCI_MSI_SUPPORT 0x00000010
602 #define OSC_PCI_EDR_SUPPORT 0x00000080
603 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
605 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
606 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
607 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
608 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
609 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
610 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
611 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
612 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
614 /* CXL _OSC: Capabilities DWORD 4: Support Field */
615 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
616 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
617 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
618 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
620 /* CXL _OSC: Capabilities DWORD 5: Control Field */
621 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
623 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
625 u32 *ret = context->ret.pointer;
627 return ret[OSC_CONTROL_DWORD];
630 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
632 u32 *ret = context->ret.pointer;
634 return ret[OSC_EXT_CONTROL_DWORD];
637 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
638 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
639 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
640 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
641 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
642 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
643 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
644 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
645 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
646 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
648 /* Enable _OST when all relevant hotplug operations are enabled */
649 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
650 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
651 defined(CONFIG_ACPI_CONTAINER)
652 #define ACPI_HOTPLUG_OST
655 /* _OST Source Event Code (OSPM Action) */
656 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
657 #define ACPI_OST_EC_OSPM_EJECT 0x103
658 #define ACPI_OST_EC_OSPM_INSERTION 0x200
660 /* _OST General Processing Status Code */
661 #define ACPI_OST_SC_SUCCESS 0x0
662 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
663 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
665 /* _OST OS Shutdown Processing (0x100) Status Code */
666 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
667 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
668 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
669 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
671 /* _OST Ejection Request (0x3, 0x103) Status Code */
672 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
673 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
674 #define ACPI_OST_SC_DEVICE_BUSY 0x82
675 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
676 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
678 /* _OST Insertion Request (0x200) Status Code */
679 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
680 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
681 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
683 enum acpi_predicate {
687 greater_than_or_equal,
690 /* Table must be terminted by a NULL entry */
691 struct acpi_platform_list {
692 char oem_id[ACPI_OEM_ID_SIZE+1];
693 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
696 enum acpi_predicate pred;
700 int acpi_match_platform_list(const struct acpi_platform_list *plat);
702 extern void acpi_early_init(void);
703 extern void acpi_subsystem_init(void);
705 extern int acpi_nvs_register(__u64 start, __u64 size);
707 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
710 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
711 const struct acpi_device *adev);
713 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
714 const struct device *dev);
716 const void *acpi_device_get_match_data(const struct device *dev);
717 extern bool acpi_driver_match_device(struct device *dev,
718 const struct device_driver *drv);
719 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
720 int acpi_device_modalias(struct device *, char *, int);
722 struct platform_device *acpi_create_platform_device(struct acpi_device *,
723 const struct property_entry *);
724 #define ACPI_PTR(_ptr) (_ptr)
726 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
728 adev->flags.visited = true;
731 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
733 adev->flags.visited = false;
736 enum acpi_reconfig_event {
737 ACPI_RECONFIG_DEVICE_ADD = 0,
738 ACPI_RECONFIG_DEVICE_REMOVE,
741 int acpi_reconfig_notifier_register(struct notifier_block *nb);
742 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
744 #ifdef CONFIG_ACPI_GTDT
745 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
746 int acpi_gtdt_map_ppi(int type);
747 bool acpi_gtdt_c3stop(int type);
748 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
751 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
752 static inline void acpi_arch_set_root_pointer(u64 addr)
757 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
758 static inline u64 acpi_arch_get_root_pointer(void)
764 int acpi_get_local_address(acpi_handle handle, u32 *addr);
765 const char *acpi_get_subsystem_id(acpi_handle handle);
767 #else /* !CONFIG_ACPI */
769 #define acpi_disabled 1
771 #define ACPI_COMPANION(dev) (NULL)
772 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
773 #define ACPI_HANDLE(dev) (NULL)
774 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
776 /* Get rid of the -Wunused-variable for adev */
777 #define acpi_dev_uid_match(adev, uid2) (adev && false)
778 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
780 #include <acpi/acpi_numa.h>
782 struct fwnode_handle;
784 static inline bool acpi_dev_found(const char *hid)
789 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
796 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
801 static inline struct acpi_device *
802 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
807 static inline bool acpi_reduced_hardware(void)
812 static inline void acpi_dev_put(struct acpi_device *adev) {}
814 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
819 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
824 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
829 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
834 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
839 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
845 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
850 static inline bool has_acpi_companion(struct device *dev)
855 static inline void acpi_preset_companion(struct device *dev,
856 struct acpi_device *parent, u64 addr)
860 static inline const char *acpi_dev_name(struct acpi_device *adev)
865 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
870 static inline void acpi_early_init(void) { }
871 static inline void acpi_subsystem_init(void) { }
873 static inline int early_acpi_boot_init(void)
877 static inline int acpi_boot_init(void)
882 static inline void acpi_boot_table_prepare(void)
886 static inline void acpi_boot_table_init(void)
890 static inline int acpi_mps_check(void)
895 static inline int acpi_check_resource_conflict(struct resource *res)
900 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
906 struct acpi_table_header;
907 static inline int acpi_table_parse(char *id,
908 int (*handler)(struct acpi_table_header *))
913 static inline int acpi_nvs_register(__u64 start, __u64 size)
918 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
924 struct acpi_device_id;
926 static inline const struct acpi_device_id *acpi_match_acpi_device(
927 const struct acpi_device_id *ids, const struct acpi_device *adev)
932 static inline const struct acpi_device_id *acpi_match_device(
933 const struct acpi_device_id *ids, const struct device *dev)
938 static inline const void *acpi_device_get_match_data(const struct device *dev)
943 static inline bool acpi_driver_match_device(struct device *dev,
944 const struct device_driver *drv)
949 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
955 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
958 union acpi_object *argv4)
963 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
966 union acpi_object *argv4,
967 acpi_object_type type)
972 static inline int acpi_device_uevent_modalias(const struct device *dev,
973 struct kobj_uevent_env *env)
978 static inline int acpi_device_modalias(struct device *dev,
984 static inline struct platform_device *
985 acpi_create_platform_device(struct acpi_device *adev,
986 const struct property_entry *properties)
991 static inline bool acpi_dma_supported(const struct acpi_device *adev)
996 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
998 return DEV_DMA_NOT_SUPPORTED;
1001 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1006 static inline int acpi_dma_configure(struct device *dev,
1007 enum dev_dma_attr attr)
1012 static inline int acpi_dma_configure_id(struct device *dev,
1013 enum dev_dma_attr attr,
1014 const u32 *input_id)
1019 #define ACPI_PTR(_ptr) (NULL)
1021 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1025 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1029 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1034 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1039 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1044 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1049 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1051 return ERR_PTR(-ENODEV);
1054 static inline int acpi_register_wakeup_handler(int wake_irq,
1055 bool (*wakeup)(void *context), void *context)
1060 static inline void acpi_unregister_wakeup_handler(
1061 bool (*wakeup)(void *context), void *context) { }
1063 struct acpi_osc_context;
1064 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1069 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1074 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1079 #endif /* !CONFIG_ACPI */
1081 extern void arch_post_acpi_subsys_init(void);
1083 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1084 int acpi_ioapic_add(acpi_handle root);
1086 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1090 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1091 u32 pm1a_ctrl, u32 pm1b_ctrl));
1093 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1094 u32 pm1a_control, u32 pm1b_control);
1096 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1097 u32 val_a, u32 val_b));
1099 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1100 u32 val_a, u32 val_b);
1101 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1102 struct acpi_s2idle_dev_ops {
1103 struct list_head list_node;
1104 void (*prepare)(void);
1105 void (*check)(void);
1106 void (*restore)(void);
1108 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1109 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1110 int acpi_get_lps0_constraint(struct acpi_device *adev);
1111 #else /* CONFIG_SUSPEND && CONFIG_X86 */
1112 static inline int acpi_get_lps0_constraint(struct device *dev)
1114 return ACPI_STATE_UNKNOWN;
1116 #endif /* CONFIG_SUSPEND && CONFIG_X86 */
1117 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1119 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1122 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1123 int acpi_dev_suspend(struct device *dev, bool wakeup);
1124 int acpi_dev_resume(struct device *dev);
1125 int acpi_subsys_runtime_suspend(struct device *dev);
1126 int acpi_subsys_runtime_resume(struct device *dev);
1127 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1128 bool acpi_storage_d3(struct device *dev);
1129 bool acpi_dev_state_d0(struct device *dev);
1131 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1132 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1133 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1137 static inline bool acpi_storage_d3(struct device *dev)
1141 static inline bool acpi_dev_state_d0(struct device *dev)
1147 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1148 int acpi_subsys_prepare(struct device *dev);
1149 void acpi_subsys_complete(struct device *dev);
1150 int acpi_subsys_suspend_late(struct device *dev);
1151 int acpi_subsys_suspend_noirq(struct device *dev);
1152 int acpi_subsys_suspend(struct device *dev);
1153 int acpi_subsys_freeze(struct device *dev);
1154 int acpi_subsys_poweroff(struct device *dev);
1155 void acpi_ec_mark_gpe_for_wake(void);
1156 void acpi_ec_set_gpe_wake_mask(u8 action);
1157 int acpi_subsys_restore_early(struct device *dev);
1159 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1160 static inline void acpi_subsys_complete(struct device *dev) {}
1161 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1162 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1163 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1164 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1165 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1166 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1167 static inline void acpi_ec_mark_gpe_for_wake(void) {}
1168 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1172 char *acpi_handle_path(acpi_handle handle);
1174 void acpi_handle_printk(const char *level, acpi_handle handle,
1175 const char *fmt, ...);
1176 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1177 acpi_status status);
1178 #else /* !CONFIG_ACPI */
1179 static inline __printf(3, 4) void
1180 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1181 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1183 acpi_status status) {}
1184 #endif /* !CONFIG_ACPI */
1186 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1188 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1192 * acpi_handle_<level>: Print message with ACPI prefix and object path
1194 * These interfaces acquire the global namespace mutex to obtain an object
1195 * path. In interrupt context, it shows the object path as <n/a>.
1197 #define acpi_handle_emerg(handle, fmt, ...) \
1198 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1199 #define acpi_handle_alert(handle, fmt, ...) \
1200 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1201 #define acpi_handle_crit(handle, fmt, ...) \
1202 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1203 #define acpi_handle_err(handle, fmt, ...) \
1204 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1205 #define acpi_handle_warn(handle, fmt, ...) \
1206 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1207 #define acpi_handle_notice(handle, fmt, ...) \
1208 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1209 #define acpi_handle_info(handle, fmt, ...) \
1210 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1213 #define acpi_handle_debug(handle, fmt, ...) \
1214 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1216 #if defined(CONFIG_DYNAMIC_DEBUG)
1217 #define acpi_handle_debug(handle, fmt, ...) \
1218 _dynamic_func_call(fmt, __acpi_handle_debug, \
1219 handle, pr_fmt(fmt), ##__VA_ARGS__)
1221 #define acpi_handle_debug(handle, fmt, ...) \
1224 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1230 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1231 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1232 struct acpi_resource_gpio **agpio);
1233 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1234 struct acpi_resource_gpio **agpio);
1235 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1236 bool *wake_capable);
1238 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1239 struct acpi_resource_gpio **agpio)
1243 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1244 struct acpi_resource_gpio **agpio)
1248 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1249 int index, bool *wake_capable)
1255 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1258 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1261 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1264 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1267 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1269 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1272 /* Device properties */
1275 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1276 acpi_object_type type, const union acpi_object **obj);
1277 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1278 const char *name, size_t index, size_t num_args,
1279 struct fwnode_reference_args *args);
1281 static inline int acpi_node_get_property_reference(
1282 const struct fwnode_handle *fwnode,
1283 const char *name, size_t index,
1284 struct fwnode_reference_args *args)
1286 return __acpi_node_get_property_reference(fwnode, name, index,
1287 NR_FWNODE_REFERENCE_ARGS, args);
1290 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1292 return !list_empty(&adev->data.properties);
1295 struct acpi_device_properties *
1296 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1297 union acpi_object *properties);
1299 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1302 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1303 struct fwnode_handle *child);
1305 struct acpi_probe_entry;
1306 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1307 struct acpi_probe_entry *);
1309 #define ACPI_TABLE_ID_LEN 5
1312 * struct acpi_probe_entry - boot-time probing entry
1313 * @id: ACPI table name
1314 * @type: Optional subtable type to match
1315 * (if @id contains subtables)
1316 * @subtable_valid: Optional callback to check the validity of
1318 * @probe_table: Callback to the driver being probed when table
1319 * match is successful
1320 * @probe_subtbl: Callback to the driver being probed when table and
1321 * subtable match (and optional callback is successful)
1322 * @driver_data: Sideband data provided back to the driver
1324 struct acpi_probe_entry {
1325 __u8 id[ACPI_TABLE_ID_LEN];
1327 acpi_probe_entry_validate_subtbl subtable_valid;
1329 acpi_tbl_table_handler probe_table;
1330 acpi_tbl_entry_handler probe_subtbl;
1332 kernel_ulong_t driver_data;
1335 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1337 static const struct acpi_probe_entry __acpi_probe_##name \
1338 __used __section("__" #table "_acpi_probe_table") = { \
1341 .subtable_valid = valid, \
1342 .probe_table = fn, \
1343 .driver_data = data, \
1346 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1347 subtable, valid, data, fn) \
1348 static const struct acpi_probe_entry __acpi_probe_##name \
1349 __used __section("__" #table "_acpi_probe_table") = { \
1352 .subtable_valid = valid, \
1353 .probe_subtbl = fn, \
1354 .driver_data = data, \
1357 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1358 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1360 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1362 #define acpi_probe_device_table(t) \
1364 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1365 ACPI_PROBE_TABLE_END(t); \
1366 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1367 (&ACPI_PROBE_TABLE_END(t) - \
1368 &ACPI_PROBE_TABLE(t))); \
1371 static inline int acpi_dev_get_property(struct acpi_device *adev,
1372 const char *name, acpi_object_type type,
1373 const union acpi_object **obj)
1379 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1380 const char *name, size_t index, size_t num_args,
1381 struct fwnode_reference_args *args)
1387 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1388 const char *name, size_t index,
1389 struct fwnode_reference_args *args)
1394 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1395 const char *propname,
1401 static inline struct fwnode_handle *
1402 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1403 struct fwnode_handle *child)
1408 static inline struct fwnode_handle *
1409 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1410 struct fwnode_handle *prev)
1412 return ERR_PTR(-ENXIO);
1416 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1417 struct fwnode_handle **remote,
1418 struct fwnode_handle **port,
1419 struct fwnode_handle **endpoint)
1424 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1425 static const void * __acpi_table_##name[] \
1426 __attribute__((unused)) \
1427 = { (void *) table_id, \
1428 (void *) subtable, \
1433 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1436 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1437 void acpi_table_upgrade(void);
1439 static inline void acpi_table_upgrade(void) { }
1442 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1443 extern bool acpi_has_watchdog(void);
1445 static inline bool acpi_has_watchdog(void) { return false; }
1448 #ifdef CONFIG_ACPI_SPCR_TABLE
1449 extern bool qdf2400_e44_present;
1450 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1452 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1458 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1459 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1462 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1468 #ifdef CONFIG_ACPI_LPIT
1469 int lpit_read_residency_count_address(u64 *address);
1471 static inline int lpit_read_residency_count_address(u64 *address)
1477 #ifdef CONFIG_ACPI_PROCESSOR_IDLE
1478 #ifndef arch_get_idle_state_flags
1479 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1484 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1486 #ifdef CONFIG_ACPI_PPTT
1487 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1488 int find_acpi_cpu_topology(unsigned int cpu, int level);
1489 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1490 int find_acpi_cpu_topology_package(unsigned int cpu);
1491 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1493 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1497 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1501 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1505 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1509 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1516 void acpi_arm_init(void);
1518 static inline void acpi_arm_init(void) { }
1521 #ifdef CONFIG_ACPI_PCC
1522 void acpi_init_pcc(void);
1524 static inline void acpi_init_pcc(void) { }
1527 #ifdef CONFIG_ACPI_FFH
1528 void acpi_init_ffh(void);
1529 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1530 void **region_ctxt);
1531 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1532 void *region_context);
1534 static inline void acpi_init_ffh(void) { }
1538 extern void acpi_device_notify(struct device *dev);
1539 extern void acpi_device_notify_remove(struct device *dev);
1541 static inline void acpi_device_notify(struct device *dev) { }
1542 static inline void acpi_device_notify_remove(struct device *dev) { }
1545 static inline void acpi_use_parent_companion(struct device *dev)
1547 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1550 #ifdef CONFIG_ACPI_HMAT
1551 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord,
1552 enum access_coordinate_class access);
1554 static inline int hmat_update_target_coordinates(int nid,
1555 struct access_coordinate *coord,
1556 enum access_coordinate_class access)
1562 #ifdef CONFIG_ACPI_NUMA
1563 bool acpi_node_backed_by_real_pxm(int nid);
1565 static inline bool acpi_node_backed_by_real_pxm(int nid)
1571 #endif /*_LINUX_ACPI_H*/