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/fw_table.h>
21 struct irq_domain_ops;
26 #include <acpi/acpi.h>
28 #ifdef CONFIG_ACPI_TABLE_LIB
29 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
30 #define __init_or_acpilib
31 #define __initdata_or_acpilib
33 #define EXPORT_SYMBOL_ACPI_LIB(x)
34 #define __init_or_acpilib __init
35 #define __initdata_or_acpilib __initdata
40 #include <linux/list.h>
41 #include <linux/dynamic_debug.h>
42 #include <linux/module.h>
43 #include <linux/mutex.h>
45 #include <acpi/acpi_bus.h>
46 #include <acpi/acpi_drivers.h>
47 #include <acpi/acpi_numa.h>
48 #include <acpi/acpi_io.h>
51 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53 return adev ? adev->handle : NULL;
56 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
57 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
58 acpi_fwnode_handle(adev) : NULL)
59 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60 #define ACPI_HANDLE_FWNODE(fwnode) \
61 acpi_device_handle(to_acpi_device_node(fwnode))
63 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
65 struct fwnode_handle *fwnode;
67 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
71 fwnode_init(fwnode, &acpi_static_fwnode_ops);
76 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78 if (WARN_ON(!is_acpi_static_node(fwnode)))
84 static inline bool has_acpi_companion(struct device *dev)
86 return is_acpi_device_node(dev->fwnode);
89 static inline void acpi_preset_companion(struct device *dev,
90 struct acpi_device *parent, u64 addr)
92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
95 static inline const char *acpi_dev_name(struct acpi_device *adev)
97 return dev_name(&adev->dev);
100 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
102 enum acpi_irq_model_id {
103 ACPI_IRQ_MODEL_PIC = 0,
104 ACPI_IRQ_MODEL_IOAPIC,
105 ACPI_IRQ_MODEL_IOSAPIC,
106 ACPI_IRQ_MODEL_PLATFORM,
112 extern enum acpi_irq_model_id acpi_irq_model;
114 enum acpi_interrupt_id {
115 ACPI_INTERRUPT_PMI = 1,
121 #define ACPI_SPACE_MEM 0
123 enum acpi_address_range_id {
124 ACPI_ADDRESS_RANGE_MEMORY = 1,
125 ACPI_ADDRESS_RANGE_RESERVED = 2,
126 ACPI_ADDRESS_RANGE_ACPI = 3,
127 ACPI_ADDRESS_RANGE_NVS = 4,
128 ACPI_ADDRESS_RANGE_COUNT
133 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
135 /* Debugger support */
137 struct acpi_debugger_ops {
138 int (*create_thread)(acpi_osd_exec_callback function, void *context);
139 ssize_t (*write_log)(const char *msg);
140 ssize_t (*read_cmd)(char *buffer, size_t length);
141 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
142 int (*notify_command_complete)(void);
145 struct acpi_debugger {
146 const struct acpi_debugger_ops *ops;
147 struct module *owner;
151 #ifdef CONFIG_ACPI_DEBUGGER
152 int __init acpi_debugger_init(void);
153 int acpi_register_debugger(struct module *owner,
154 const struct acpi_debugger_ops *ops);
155 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
156 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
157 ssize_t acpi_debugger_write_log(const char *msg);
158 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
159 int acpi_debugger_wait_command_ready(void);
160 int acpi_debugger_notify_command_complete(void);
162 static inline int acpi_debugger_init(void)
167 static inline int acpi_register_debugger(struct module *owner,
168 const struct acpi_debugger_ops *ops)
173 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
177 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
183 static inline int acpi_debugger_write_log(const char *msg)
188 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
193 static inline int acpi_debugger_wait_command_ready(void)
198 static inline int acpi_debugger_notify_command_complete(void)
204 #define BAD_MADT_ENTRY(entry, end) ( \
205 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
206 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
208 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
209 void __acpi_unmap_table(void __iomem *map, unsigned long size);
210 int early_acpi_boot_init(void);
211 int acpi_boot_init (void);
212 void acpi_boot_table_prepare (void);
213 void acpi_boot_table_init (void);
214 int acpi_mps_check (void);
215 int acpi_numa_init (void);
217 int acpi_locate_initial_tables (void);
218 void acpi_reserve_initial_tables (void);
219 void acpi_table_init_complete (void);
220 int acpi_table_init (void);
222 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
223 int __init_or_acpilib acpi_table_parse_entries(char *id,
224 unsigned long table_size, int entry_id,
225 acpi_tbl_entry_handler handler, unsigned int max_entries);
226 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
227 unsigned long table_size, struct acpi_subtable_proc *proc,
228 int proc_num, unsigned int max_entries);
229 int acpi_table_parse_madt(enum acpi_madt_type id,
230 acpi_tbl_entry_handler handler,
231 unsigned int max_entries);
232 int __init_or_acpilib
233 acpi_table_parse_cedt(enum acpi_cedt_type id,
234 acpi_tbl_entry_handler_arg handler_arg, void *arg);
236 int acpi_parse_mcfg (struct acpi_table_header *header);
237 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
239 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc)
241 return gicc->flags & ACPI_MADT_ENABLED;
244 /* the following numa functions are architecture-dependent */
245 void acpi_numa_slit_init (struct acpi_table_slit *slit);
247 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
248 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
251 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
254 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
256 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
257 void acpi_arch_dma_setup(struct device *dev);
259 static inline void acpi_arch_dma_setup(struct device *dev) { }
263 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
266 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
269 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
271 #ifndef PHYS_CPUID_INVALID
272 typedef u32 phys_cpuid_t;
273 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
276 static inline bool invalid_logical_cpuid(u32 cpuid)
278 return (int)cpuid < 0;
281 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
283 return phys_id == PHYS_CPUID_INVALID;
286 /* Validate the processor object's proc_id */
287 bool acpi_duplicate_processor_id(int proc_id);
288 /* Processor _CTS control */
289 struct acpi_processor_power;
291 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
292 bool acpi_processor_claim_cst_control(void);
293 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
294 struct acpi_processor_power *info);
296 static inline bool acpi_processor_claim_cst_control(void) { return false; }
297 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
298 struct acpi_processor_power *info)
304 #ifdef CONFIG_ACPI_HOTPLUG_CPU
305 /* Arch dependent functions for cpu hotplug support */
306 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
308 int acpi_unmap_cpu(int cpu);
309 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
311 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
312 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
315 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
316 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
317 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
318 void acpi_irq_stats_init(void);
319 extern u32 acpi_irq_handled;
320 extern u32 acpi_irq_not_handled;
321 extern unsigned int acpi_sci_irq;
322 extern bool acpi_no_s5;
323 #define INVALID_ACPI_IRQ ((unsigned)-1)
324 static inline bool acpi_sci_irq_valid(void)
326 return acpi_sci_irq != INVALID_ACPI_IRQ;
330 extern unsigned long acpi_realmode_flags;
332 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
333 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
334 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
336 void acpi_set_irq_model(enum acpi_irq_model_id model,
337 struct fwnode_handle *(*)(u32));
338 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
340 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
342 struct fwnode_handle *fwnode,
343 const struct irq_domain_ops *ops,
346 #ifdef CONFIG_X86_IO_APIC
347 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
349 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
355 * This function undoes the effect of one call to acpi_register_gsi().
356 * If this matches the last registration, any IRQ resources for gsi
359 void acpi_unregister_gsi (u32 gsi);
363 int acpi_pci_irq_enable (struct pci_dev *dev);
364 void acpi_penalize_isa_irq(int irq, int active);
365 bool acpi_isa_irq_available(int irq);
367 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
369 static inline void acpi_penalize_sci_irq(int irq, int trigger,
374 void acpi_pci_irq_disable (struct pci_dev *dev);
376 extern int ec_read(u8 addr, u8 *val);
377 extern int ec_write(u8 addr, u8 val);
378 extern int ec_transaction(u8 command,
379 const u8 *wdata, unsigned wdata_len,
380 u8 *rdata, unsigned rdata_len);
381 extern acpi_handle ec_get_handle(void);
383 extern bool acpi_is_pnp_device(struct acpi_device *);
385 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
387 typedef void (*wmi_notify_handler) (u32 value, void *context);
389 int wmi_instance_count(const char *guid);
391 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
393 const struct acpi_buffer *in,
394 struct acpi_buffer *out);
395 extern acpi_status wmi_query_block(const char *guid, u8 instance,
396 struct acpi_buffer *out);
397 extern acpi_status wmi_set_block(const char *guid, u8 instance,
398 const struct acpi_buffer *in);
399 extern acpi_status wmi_install_notify_handler(const char *guid,
400 wmi_notify_handler handler, void *data);
401 extern acpi_status wmi_remove_notify_handler(const char *guid);
402 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
403 extern bool wmi_has_guid(const char *guid);
404 extern char *wmi_get_acpi_device_uid(const char *guid);
406 #endif /* CONFIG_ACPI_WMI */
408 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
409 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
410 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
411 #define ACPI_VIDEO_BACKLIGHT 0x0008
412 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
413 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
414 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
415 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
416 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
417 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
418 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
419 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
421 extern char acpi_video_backlight_string[];
422 extern long acpi_is_video_device(acpi_handle handle);
423 extern int acpi_blacklisted(void);
424 extern void acpi_osi_setup(char *str);
425 extern bool acpi_osi_is_win8(void);
427 #ifdef CONFIG_ACPI_NUMA
428 int acpi_map_pxm_to_node(int pxm);
429 int acpi_get_node(acpi_handle handle);
432 * pxm_to_online_node - Map proximity ID to online node
433 * @pxm: ACPI proximity ID
435 * This is similar to pxm_to_node(), but always returns an online
436 * node. When the mapped node from a given proximity ID is offline, it
437 * looks up the node distance table and returns the nearest online node.
439 * ACPI device drivers, which are called after the NUMA initialization has
440 * completed in the kernel, can call this interface to obtain their device
441 * NUMA topology from ACPI tables. Such drivers do not have to deal with
442 * offline nodes. A node may be offline when SRAT memory entry does not exist,
443 * or NUMA is disabled, ex. "numa=off" on x86.
445 static inline int pxm_to_online_node(int pxm)
447 int node = pxm_to_node(pxm);
449 return numa_map_to_online_node(node);
452 static inline int pxm_to_online_node(int pxm)
456 static inline int acpi_map_pxm_to_node(int pxm)
460 static inline int acpi_get_node(acpi_handle handle)
465 extern int pnpacpi_disabled;
467 #define PXM_INVAL (-1)
469 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
470 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
471 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
472 struct resource_win *win);
473 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
474 struct resource_win *win);
475 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
476 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
477 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
478 struct resource *res);
480 void acpi_dev_free_resource_list(struct list_head *list);
481 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
482 int (*preproc)(struct acpi_resource *, void *),
484 int acpi_dev_get_dma_resources(struct acpi_device *adev,
485 struct list_head *list);
486 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
487 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
488 unsigned long types);
490 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
493 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
496 struct acpi_device *acpi_resource_consumer(struct resource *res);
498 int acpi_check_resource_conflict(const struct resource *res);
500 int acpi_check_region(resource_size_t start, resource_size_t n,
503 int acpi_resources_are_enforced(void);
505 #ifdef CONFIG_HIBERNATION
506 extern int acpi_check_s4_hw_signature;
509 #ifdef CONFIG_PM_SLEEP
510 void __init acpi_old_suspend_ordering(void);
511 void __init acpi_nvs_nosave(void);
512 void __init acpi_nvs_nosave_s3(void);
513 void __init acpi_sleep_no_blacklist(void);
514 #endif /* CONFIG_PM_SLEEP */
516 int acpi_register_wakeup_handler(
517 int wake_irq, bool (*wakeup)(void *context), void *context);
518 void acpi_unregister_wakeup_handler(
519 bool (*wakeup)(void *context), void *context);
521 struct acpi_osc_context {
522 char *uuid_str; /* UUID string */
524 struct acpi_buffer cap; /* list of DWORD capabilities */
525 struct acpi_buffer ret; /* free by caller if success */
528 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
530 /* Number of _OSC capability DWORDS depends on bridge type */
531 #define OSC_PCI_CAPABILITY_DWORDS 3
532 #define OSC_CXL_CAPABILITY_DWORDS 5
534 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
535 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
536 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
537 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
538 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
539 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
541 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
542 #define OSC_QUERY_ENABLE 0x00000001 /* input */
543 #define OSC_REQUEST_ERROR 0x00000002 /* return */
544 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
545 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
546 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
548 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
549 #define OSC_SB_PAD_SUPPORT 0x00000001
550 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
551 #define OSC_SB_PR3_SUPPORT 0x00000004
552 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
553 #define OSC_SB_APEI_SUPPORT 0x00000010
554 #define OSC_SB_CPC_SUPPORT 0x00000020
555 #define OSC_SB_CPCV2_SUPPORT 0x00000040
556 #define OSC_SB_PCLPI_SUPPORT 0x00000080
557 #define OSC_SB_OSLPI_SUPPORT 0x00000100
558 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
559 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
560 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
561 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
562 #define OSC_SB_PRM_SUPPORT 0x00200000
563 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
565 extern bool osc_sb_apei_support_acked;
566 extern bool osc_pc_lpi_support_confirmed;
567 extern bool osc_sb_native_usb4_support_confirmed;
568 extern bool osc_sb_cppc2_support_acked;
569 extern bool osc_cpc_flexible_adr_space_confirmed;
571 /* USB4 Capabilities */
572 #define OSC_USB_USB3_TUNNELING 0x00000001
573 #define OSC_USB_DP_TUNNELING 0x00000002
574 #define OSC_USB_PCIE_TUNNELING 0x00000004
575 #define OSC_USB_XDOMAIN 0x00000008
577 extern u32 osc_sb_native_usb4_control;
579 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
580 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
581 #define OSC_PCI_ASPM_SUPPORT 0x00000002
582 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
583 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
584 #define OSC_PCI_MSI_SUPPORT 0x00000010
585 #define OSC_PCI_EDR_SUPPORT 0x00000080
586 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
588 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
589 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
590 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
591 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
592 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
593 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
594 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
595 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
597 /* CXL _OSC: Capabilities DWORD 4: Support Field */
598 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
599 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
600 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
601 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
603 /* CXL _OSC: Capabilities DWORD 5: Control Field */
604 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
606 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
608 u32 *ret = context->ret.pointer;
610 return ret[OSC_CONTROL_DWORD];
613 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
615 u32 *ret = context->ret.pointer;
617 return ret[OSC_EXT_CONTROL_DWORD];
620 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
621 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
622 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
623 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
624 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
625 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
626 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
627 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
628 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
629 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
631 /* Enable _OST when all relevant hotplug operations are enabled */
632 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
633 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
634 defined(CONFIG_ACPI_CONTAINER)
635 #define ACPI_HOTPLUG_OST
638 /* _OST Source Event Code (OSPM Action) */
639 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
640 #define ACPI_OST_EC_OSPM_EJECT 0x103
641 #define ACPI_OST_EC_OSPM_INSERTION 0x200
643 /* _OST General Processing Status Code */
644 #define ACPI_OST_SC_SUCCESS 0x0
645 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
646 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
648 /* _OST OS Shutdown Processing (0x100) Status Code */
649 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
650 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
651 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
652 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
654 /* _OST Ejection Request (0x3, 0x103) Status Code */
655 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
656 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
657 #define ACPI_OST_SC_DEVICE_BUSY 0x82
658 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
659 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
661 /* _OST Insertion Request (0x200) Status Code */
662 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
663 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
664 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
666 enum acpi_predicate {
670 greater_than_or_equal,
673 /* Table must be terminted by a NULL entry */
674 struct acpi_platform_list {
675 char oem_id[ACPI_OEM_ID_SIZE+1];
676 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
679 enum acpi_predicate pred;
683 int acpi_match_platform_list(const struct acpi_platform_list *plat);
685 extern void acpi_early_init(void);
686 extern void acpi_subsystem_init(void);
688 extern int acpi_nvs_register(__u64 start, __u64 size);
690 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
693 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
694 const struct acpi_device *adev);
696 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
697 const struct device *dev);
699 const void *acpi_device_get_match_data(const struct device *dev);
700 extern bool acpi_driver_match_device(struct device *dev,
701 const struct device_driver *drv);
702 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
703 int acpi_device_modalias(struct device *, char *, int);
705 struct platform_device *acpi_create_platform_device(struct acpi_device *,
706 const struct property_entry *);
707 #define ACPI_PTR(_ptr) (_ptr)
709 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
711 adev->flags.visited = true;
714 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
716 adev->flags.visited = false;
719 enum acpi_reconfig_event {
720 ACPI_RECONFIG_DEVICE_ADD = 0,
721 ACPI_RECONFIG_DEVICE_REMOVE,
724 int acpi_reconfig_notifier_register(struct notifier_block *nb);
725 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
727 #ifdef CONFIG_ACPI_GTDT
728 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
729 int acpi_gtdt_map_ppi(int type);
730 bool acpi_gtdt_c3stop(int type);
731 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
734 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
735 static inline void acpi_arch_set_root_pointer(u64 addr)
740 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
741 static inline u64 acpi_arch_get_root_pointer(void)
747 int acpi_get_local_address(acpi_handle handle, u32 *addr);
748 const char *acpi_get_subsystem_id(acpi_handle handle);
750 #else /* !CONFIG_ACPI */
752 #define acpi_disabled 1
754 #define ACPI_COMPANION(dev) (NULL)
755 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
756 #define ACPI_HANDLE(dev) (NULL)
757 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
759 #include <acpi/acpi_numa.h>
761 struct fwnode_handle;
763 static inline bool acpi_dev_found(const char *hid)
768 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
775 static inline bool acpi_dev_uid_match(struct acpi_device *adev, const char *uid2)
781 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
786 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
791 static inline struct acpi_device *
792 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
797 static inline bool acpi_reduced_hardware(void)
802 static inline void acpi_dev_put(struct acpi_device *adev) {}
804 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
809 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
814 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
819 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
824 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
829 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
835 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
840 static inline bool has_acpi_companion(struct device *dev)
845 static inline void acpi_preset_companion(struct device *dev,
846 struct acpi_device *parent, u64 addr)
850 static inline const char *acpi_dev_name(struct acpi_device *adev)
855 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
860 static inline void acpi_early_init(void) { }
861 static inline void acpi_subsystem_init(void) { }
863 static inline int early_acpi_boot_init(void)
867 static inline int acpi_boot_init(void)
872 static inline void acpi_boot_table_prepare(void)
876 static inline void acpi_boot_table_init(void)
880 static inline int acpi_mps_check(void)
885 static inline int acpi_check_resource_conflict(struct resource *res)
890 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
896 struct acpi_table_header;
897 static inline int acpi_table_parse(char *id,
898 int (*handler)(struct acpi_table_header *))
903 static inline int acpi_nvs_register(__u64 start, __u64 size)
908 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
914 struct acpi_device_id;
916 static inline const struct acpi_device_id *acpi_match_acpi_device(
917 const struct acpi_device_id *ids, const struct acpi_device *adev)
922 static inline const struct acpi_device_id *acpi_match_device(
923 const struct acpi_device_id *ids, const struct device *dev)
928 static inline const void *acpi_device_get_match_data(const struct device *dev)
933 static inline bool acpi_driver_match_device(struct device *dev,
934 const struct device_driver *drv)
939 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
945 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
948 union acpi_object *argv4)
953 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
956 union acpi_object *argv4,
957 acpi_object_type type)
962 static inline int acpi_device_uevent_modalias(const struct device *dev,
963 struct kobj_uevent_env *env)
968 static inline int acpi_device_modalias(struct device *dev,
974 static inline struct platform_device *
975 acpi_create_platform_device(struct acpi_device *adev,
976 const struct property_entry *properties)
981 static inline bool acpi_dma_supported(const struct acpi_device *adev)
986 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
988 return DEV_DMA_NOT_SUPPORTED;
991 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
996 static inline int acpi_dma_configure(struct device *dev,
997 enum dev_dma_attr attr)
1002 static inline int acpi_dma_configure_id(struct device *dev,
1003 enum dev_dma_attr attr,
1004 const u32 *input_id)
1009 #define ACPI_PTR(_ptr) (NULL)
1011 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1015 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1019 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1024 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1029 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1034 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1039 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1041 return ERR_PTR(-ENODEV);
1044 static inline int acpi_register_wakeup_handler(int wake_irq,
1045 bool (*wakeup)(void *context), void *context)
1050 static inline void acpi_unregister_wakeup_handler(
1051 bool (*wakeup)(void *context), void *context) { }
1053 struct acpi_osc_context;
1054 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1059 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1064 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1069 #endif /* !CONFIG_ACPI */
1071 extern void arch_post_acpi_subsys_init(void);
1073 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1074 int acpi_ioapic_add(acpi_handle root);
1076 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1080 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1081 u32 pm1a_ctrl, u32 pm1b_ctrl));
1083 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1084 u32 pm1a_control, u32 pm1b_control);
1086 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1087 u32 val_a, u32 val_b));
1089 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1090 u32 val_a, u32 val_b);
1091 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1092 struct acpi_s2idle_dev_ops {
1093 struct list_head list_node;
1094 void (*prepare)(void);
1095 void (*check)(void);
1096 void (*restore)(void);
1098 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1099 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1100 int acpi_get_lps0_constraint(struct acpi_device *adev);
1101 #else /* CONFIG_SUSPEND && CONFIG_X86 */
1102 static inline int acpi_get_lps0_constraint(struct device *dev)
1104 return ACPI_STATE_UNKNOWN;
1106 #endif /* CONFIG_SUSPEND && CONFIG_X86 */
1107 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1109 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1112 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1113 int acpi_dev_suspend(struct device *dev, bool wakeup);
1114 int acpi_dev_resume(struct device *dev);
1115 int acpi_subsys_runtime_suspend(struct device *dev);
1116 int acpi_subsys_runtime_resume(struct device *dev);
1117 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1118 bool acpi_storage_d3(struct device *dev);
1119 bool acpi_dev_state_d0(struct device *dev);
1121 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1122 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1123 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1127 static inline bool acpi_storage_d3(struct device *dev)
1131 static inline bool acpi_dev_state_d0(struct device *dev)
1137 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1138 int acpi_subsys_prepare(struct device *dev);
1139 void acpi_subsys_complete(struct device *dev);
1140 int acpi_subsys_suspend_late(struct device *dev);
1141 int acpi_subsys_suspend_noirq(struct device *dev);
1142 int acpi_subsys_suspend(struct device *dev);
1143 int acpi_subsys_freeze(struct device *dev);
1144 int acpi_subsys_poweroff(struct device *dev);
1145 void acpi_ec_mark_gpe_for_wake(void);
1146 void acpi_ec_set_gpe_wake_mask(u8 action);
1147 int acpi_subsys_restore_early(struct device *dev);
1149 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1150 static inline void acpi_subsys_complete(struct device *dev) {}
1151 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1152 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1153 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1154 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1155 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1156 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1157 static inline void acpi_ec_mark_gpe_for_wake(void) {}
1158 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1163 void acpi_handle_printk(const char *level, acpi_handle handle,
1164 const char *fmt, ...);
1165 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1166 acpi_status status);
1167 #else /* !CONFIG_ACPI */
1168 static inline __printf(3, 4) void
1169 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1170 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1172 acpi_status status) {}
1173 #endif /* !CONFIG_ACPI */
1175 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1177 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1181 * acpi_handle_<level>: Print message with ACPI prefix and object path
1183 * These interfaces acquire the global namespace mutex to obtain an object
1184 * path. In interrupt context, it shows the object path as <n/a>.
1186 #define acpi_handle_emerg(handle, fmt, ...) \
1187 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1188 #define acpi_handle_alert(handle, fmt, ...) \
1189 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1190 #define acpi_handle_crit(handle, fmt, ...) \
1191 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1192 #define acpi_handle_err(handle, fmt, ...) \
1193 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1194 #define acpi_handle_warn(handle, fmt, ...) \
1195 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1196 #define acpi_handle_notice(handle, fmt, ...) \
1197 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1198 #define acpi_handle_info(handle, fmt, ...) \
1199 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1202 #define acpi_handle_debug(handle, fmt, ...) \
1203 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1205 #if defined(CONFIG_DYNAMIC_DEBUG)
1206 #define acpi_handle_debug(handle, fmt, ...) \
1207 _dynamic_func_call(fmt, __acpi_handle_debug, \
1208 handle, pr_fmt(fmt), ##__VA_ARGS__)
1210 #define acpi_handle_debug(handle, fmt, ...) \
1213 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1219 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1220 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1221 struct acpi_resource_gpio **agpio);
1222 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1223 struct acpi_resource_gpio **agpio);
1224 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1225 bool *wake_capable);
1227 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1228 struct acpi_resource_gpio **agpio)
1232 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1233 struct acpi_resource_gpio **agpio)
1237 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1238 int index, bool *wake_capable)
1244 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1247 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1250 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1253 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1256 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1258 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1261 /* Device properties */
1264 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1265 acpi_object_type type, const union acpi_object **obj);
1266 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1267 const char *name, size_t index, size_t num_args,
1268 struct fwnode_reference_args *args);
1270 static inline int acpi_node_get_property_reference(
1271 const struct fwnode_handle *fwnode,
1272 const char *name, size_t index,
1273 struct fwnode_reference_args *args)
1275 return __acpi_node_get_property_reference(fwnode, name, index,
1276 NR_FWNODE_REFERENCE_ARGS, args);
1279 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1281 return !list_empty(&adev->data.properties);
1284 struct acpi_device_properties *
1285 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1286 union acpi_object *properties);
1288 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1291 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1292 struct fwnode_handle *child);
1294 struct acpi_probe_entry;
1295 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1296 struct acpi_probe_entry *);
1298 #define ACPI_TABLE_ID_LEN 5
1301 * struct acpi_probe_entry - boot-time probing entry
1302 * @id: ACPI table name
1303 * @type: Optional subtable type to match
1304 * (if @id contains subtables)
1305 * @subtable_valid: Optional callback to check the validity of
1307 * @probe_table: Callback to the driver being probed when table
1308 * match is successful
1309 * @probe_subtbl: Callback to the driver being probed when table and
1310 * subtable match (and optional callback is successful)
1311 * @driver_data: Sideband data provided back to the driver
1313 struct acpi_probe_entry {
1314 __u8 id[ACPI_TABLE_ID_LEN];
1316 acpi_probe_entry_validate_subtbl subtable_valid;
1318 acpi_tbl_table_handler probe_table;
1319 acpi_tbl_entry_handler probe_subtbl;
1321 kernel_ulong_t driver_data;
1324 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1326 static const struct acpi_probe_entry __acpi_probe_##name \
1327 __used __section("__" #table "_acpi_probe_table") = { \
1330 .subtable_valid = valid, \
1331 .probe_table = fn, \
1332 .driver_data = data, \
1335 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1336 subtable, valid, data, fn) \
1337 static const struct acpi_probe_entry __acpi_probe_##name \
1338 __used __section("__" #table "_acpi_probe_table") = { \
1341 .subtable_valid = valid, \
1342 .probe_subtbl = fn, \
1343 .driver_data = data, \
1346 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1347 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1349 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1351 #define acpi_probe_device_table(t) \
1353 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1354 ACPI_PROBE_TABLE_END(t); \
1355 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1356 (&ACPI_PROBE_TABLE_END(t) - \
1357 &ACPI_PROBE_TABLE(t))); \
1360 static inline int acpi_dev_get_property(struct acpi_device *adev,
1361 const char *name, acpi_object_type type,
1362 const union acpi_object **obj)
1368 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1369 const char *name, size_t index, size_t num_args,
1370 struct fwnode_reference_args *args)
1376 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1377 const char *name, size_t index,
1378 struct fwnode_reference_args *args)
1383 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1384 const char *propname,
1390 static inline struct fwnode_handle *
1391 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1392 struct fwnode_handle *child)
1397 static inline struct fwnode_handle *
1398 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1399 struct fwnode_handle *prev)
1401 return ERR_PTR(-ENXIO);
1405 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1406 struct fwnode_handle **remote,
1407 struct fwnode_handle **port,
1408 struct fwnode_handle **endpoint)
1413 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1414 static const void * __acpi_table_##name[] \
1415 __attribute__((unused)) \
1416 = { (void *) table_id, \
1417 (void *) subtable, \
1422 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1425 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1426 void acpi_table_upgrade(void);
1428 static inline void acpi_table_upgrade(void) { }
1431 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1432 extern bool acpi_has_watchdog(void);
1434 static inline bool acpi_has_watchdog(void) { return false; }
1437 #ifdef CONFIG_ACPI_SPCR_TABLE
1438 extern bool qdf2400_e44_present;
1439 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1441 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1447 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1448 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1451 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1457 #ifdef CONFIG_ACPI_LPIT
1458 int lpit_read_residency_count_address(u64 *address);
1460 static inline int lpit_read_residency_count_address(u64 *address)
1466 #ifdef CONFIG_ACPI_PROCESSOR_IDLE
1467 #ifndef arch_get_idle_state_flags
1468 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1473 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1475 #ifdef CONFIG_ACPI_PPTT
1476 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1477 int find_acpi_cpu_topology(unsigned int cpu, int level);
1478 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1479 int find_acpi_cpu_topology_package(unsigned int cpu);
1480 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1482 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1486 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1490 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1494 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1498 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1505 void acpi_arm_init(void);
1507 static inline void acpi_arm_init(void) { }
1510 #ifdef CONFIG_ACPI_PCC
1511 void acpi_init_pcc(void);
1513 static inline void acpi_init_pcc(void) { }
1516 #ifdef CONFIG_ACPI_FFH
1517 void acpi_init_ffh(void);
1518 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1519 void **region_ctxt);
1520 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1521 void *region_context);
1523 static inline void acpi_init_ffh(void) { }
1527 extern void acpi_device_notify(struct device *dev);
1528 extern void acpi_device_notify_remove(struct device *dev);
1530 static inline void acpi_device_notify(struct device *dev) { }
1531 static inline void acpi_device_notify_remove(struct device *dev) { }
1534 static inline void acpi_use_parent_companion(struct device *dev)
1536 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1539 #endif /*_LINUX_ACPI_H*/