Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 */
7
8#ifndef _LINUX_ACPI_H
9#define _LINUX_ACPI_H
10
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
19struct irq_domain;
20struct irq_domain_ops;
21
22#ifndef _LINUX
23#define _LINUX
24#endif
25#include <acpi/acpi.h>
26
27#ifdef CONFIG_ACPI
28
29#include <linux/list.h>
30#include <linux/dynamic_debug.h>
31#include <linux/module.h>
32#include <linux/mutex.h>
33
34#include <acpi/acpi_bus.h>
35#include <acpi/acpi_drivers.h>
36#include <acpi/acpi_numa.h>
37#include <acpi/acpi_io.h>
38#include <asm/acpi.h>
39
40static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
41{
42 return adev ? adev->handle : NULL;
43}
44
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))
51
52static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
53{
54 struct fwnode_handle *fwnode;
55
56 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
57 if (!fwnode)
58 return NULL;
59
60 fwnode_init(fwnode, &acpi_static_fwnode_ops);
61
62 return fwnode;
63}
64
65static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
66{
67 if (WARN_ON(!is_acpi_static_node(fwnode)))
68 return;
69
70 kfree(fwnode);
71}
72
73static inline bool has_acpi_companion(struct device *dev)
74{
75 return is_acpi_device_node(dev->fwnode);
76}
77
78static inline void acpi_preset_companion(struct device *dev,
79 struct acpi_device *parent, u64 addr)
80{
81 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
82}
83
84static inline const char *acpi_dev_name(struct acpi_device *adev)
85{
86 return dev_name(&adev->dev);
87}
88
89struct device *acpi_get_first_physical_node(struct acpi_device *adev);
90
91enum 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,
96 ACPI_IRQ_MODEL_GIC,
97 ACPI_IRQ_MODEL_LPIC,
98 ACPI_IRQ_MODEL_COUNT
99};
100
101extern enum acpi_irq_model_id acpi_irq_model;
102
103enum acpi_interrupt_id {
104 ACPI_INTERRUPT_PMI = 1,
105 ACPI_INTERRUPT_INIT,
106 ACPI_INTERRUPT_CPEI,
107 ACPI_INTERRUPT_COUNT
108};
109
110#define ACPI_SPACE_MEM 0
111
112enum 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
118};
119
120
121/* Table Handlers */
122union 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;
127};
128
129typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
130
131typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
132 const unsigned long end);
133
134typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
135 void *arg, const unsigned long end);
136
137/* Debugger support */
138
139struct 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);
145};
146
147struct acpi_debugger {
148 const struct acpi_debugger_ops *ops;
149 struct module *owner;
150 struct mutex lock;
151};
152
153#ifdef CONFIG_ACPI_DEBUGGER
154int __init acpi_debugger_init(void);
155int acpi_register_debugger(struct module *owner,
156 const struct acpi_debugger_ops *ops);
157void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
158int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
159ssize_t acpi_debugger_write_log(const char *msg);
160ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
161int acpi_debugger_wait_command_ready(void);
162int acpi_debugger_notify_command_complete(void);
163#else
164static inline int acpi_debugger_init(void)
165{
166 return -ENODEV;
167}
168
169static inline int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops)
171{
172 return -ENODEV;
173}
174
175static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
176{
177}
178
179static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
180 void *context)
181{
182 return -ENODEV;
183}
184
185static inline int acpi_debugger_write_log(const char *msg)
186{
187 return -ENODEV;
188}
189
190static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
191{
192 return -ENODEV;
193}
194
195static inline int acpi_debugger_wait_command_ready(void)
196{
197 return -ENODEV;
198}
199
200static inline int acpi_debugger_notify_command_complete(void)
201{
202 return -ENODEV;
203}
204#endif
205
206#define BAD_MADT_ENTRY(entry, end) ( \
207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
209
210struct acpi_subtable_proc {
211 int id;
212 acpi_tbl_entry_handler handler;
213 acpi_tbl_entry_handler_arg handler_arg;
214 void *arg;
215 int count;
216};
217
218void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
219void __acpi_unmap_table(void __iomem *map, unsigned long size);
220int early_acpi_boot_init(void);
221int acpi_boot_init (void);
222void acpi_boot_table_prepare (void);
223void acpi_boot_table_init (void);
224int acpi_mps_check (void);
225int acpi_numa_init (void);
226
227int acpi_locate_initial_tables (void);
228void acpi_reserve_initial_tables (void);
229void acpi_table_init_complete (void);
230int acpi_table_init (void);
231
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
236#else
237#define EXPORT_SYMBOL_ACPI_LIB(x)
238#define __init_or_acpilib __init
239#define __initdata_or_acpilib __initdata
240#endif
241
242int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
243int __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);
246int __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);
249int acpi_table_parse_madt(enum acpi_madt_type id,
250 acpi_tbl_entry_handler handler,
251 unsigned int max_entries);
252int __init_or_acpilib
253acpi_table_parse_cedt(enum acpi_cedt_type id,
254 acpi_tbl_entry_handler_arg handler_arg, void *arg);
255
256int acpi_parse_mcfg (struct acpi_table_header *header);
257void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
258
259/* the following numa functions are architecture-dependent */
260void acpi_numa_slit_init (struct acpi_table_slit *slit);
261
262#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
263void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
264#else
265static inline void
266acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
267#endif
268
269void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
270
271#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
272void acpi_arch_dma_setup(struct device *dev);
273#else
274static inline void acpi_arch_dma_setup(struct device *dev) { }
275#endif
276
277#ifdef CONFIG_ARM64
278void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
279#else
280static inline void
281acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
282#endif
283
284int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
285
286#ifndef PHYS_CPUID_INVALID
287typedef u32 phys_cpuid_t;
288#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
289#endif
290
291static inline bool invalid_logical_cpuid(u32 cpuid)
292{
293 return (int)cpuid < 0;
294}
295
296static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
297{
298 return phys_id == PHYS_CPUID_INVALID;
299}
300
301/* Validate the processor object's proc_id */
302bool acpi_duplicate_processor_id(int proc_id);
303/* Processor _CTS control */
304struct acpi_processor_power;
305
306#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
307bool acpi_processor_claim_cst_control(void);
308int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
309 struct acpi_processor_power *info);
310#else
311static inline bool acpi_processor_claim_cst_control(void) { return false; }
312static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
313 struct acpi_processor_power *info)
314{
315 return -ENODEV;
316}
317#endif
318
319#ifdef CONFIG_ACPI_HOTPLUG_CPU
320/* Arch dependent functions for cpu hotplug support */
321int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
322 int *pcpu);
323int acpi_unmap_cpu(int cpu);
324#endif /* CONFIG_ACPI_HOTPLUG_CPU */
325
326#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
327int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
328#endif
329
330int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
331int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
332int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
333void acpi_irq_stats_init(void);
334extern u32 acpi_irq_handled;
335extern u32 acpi_irq_not_handled;
336extern unsigned int acpi_sci_irq;
337extern bool acpi_no_s5;
338#define INVALID_ACPI_IRQ ((unsigned)-1)
339static inline bool acpi_sci_irq_valid(void)
340{
341 return acpi_sci_irq != INVALID_ACPI_IRQ;
342}
343
344extern int sbf_port;
345extern unsigned long acpi_realmode_flags;
346
347int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
348int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
349int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
350
351void acpi_set_irq_model(enum acpi_irq_model_id model,
352 struct fwnode_handle *(*)(u32));
353void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
354
355struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
356 unsigned int size,
357 struct fwnode_handle *fwnode,
358 const struct irq_domain_ops *ops,
359 void *host_data);
360
361#ifdef CONFIG_X86_IO_APIC
362extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
363#else
364static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
365{
366 return -1;
367}
368#endif
369/*
370 * This function undoes the effect of one call to acpi_register_gsi().
371 * If this matches the last registration, any IRQ resources for gsi
372 * are freed.
373 */
374void acpi_unregister_gsi (u32 gsi);
375
376struct pci_dev;
377
378int acpi_pci_irq_enable (struct pci_dev *dev);
379void acpi_penalize_isa_irq(int irq, int active);
380bool acpi_isa_irq_available(int irq);
381#ifdef CONFIG_PCI
382void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
383#else
384static inline void acpi_penalize_sci_irq(int irq, int trigger,
385 int polarity)
386{
387}
388#endif
389void acpi_pci_irq_disable (struct pci_dev *dev);
390
391extern int ec_read(u8 addr, u8 *val);
392extern int ec_write(u8 addr, u8 val);
393extern int ec_transaction(u8 command,
394 const u8 *wdata, unsigned wdata_len,
395 u8 *rdata, unsigned rdata_len);
396extern acpi_handle ec_get_handle(void);
397
398extern bool acpi_is_pnp_device(struct acpi_device *);
399
400#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
401
402typedef void (*wmi_notify_handler) (u32 value, void *context);
403
404int wmi_instance_count(const char *guid);
405
406extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
407 u32 method_id,
408 const struct acpi_buffer *in,
409 struct acpi_buffer *out);
410extern acpi_status wmi_query_block(const char *guid, u8 instance,
411 struct acpi_buffer *out);
412extern acpi_status wmi_set_block(const char *guid, u8 instance,
413 const struct acpi_buffer *in);
414extern acpi_status wmi_install_notify_handler(const char *guid,
415 wmi_notify_handler handler, void *data);
416extern acpi_status wmi_remove_notify_handler(const char *guid);
417extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
418extern bool wmi_has_guid(const char *guid);
419extern char *wmi_get_acpi_device_uid(const char *guid);
420
421#endif /* CONFIG_ACPI_WMI */
422
423#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
424#define ACPI_VIDEO_DEVICE_POSTING 0x0002
425#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
426#define ACPI_VIDEO_BACKLIGHT 0x0008
427#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
428#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
429#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
430#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
431#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
432#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
433#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
434#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
435
436extern char acpi_video_backlight_string[];
437extern long acpi_is_video_device(acpi_handle handle);
438extern int acpi_blacklisted(void);
439extern void acpi_osi_setup(char *str);
440extern bool acpi_osi_is_win8(void);
441
442#ifdef CONFIG_ACPI_NUMA
443int acpi_map_pxm_to_node(int pxm);
444int acpi_get_node(acpi_handle handle);
445
446/**
447 * pxm_to_online_node - Map proximity ID to online node
448 * @pxm: ACPI proximity ID
449 *
450 * This is similar to pxm_to_node(), but always returns an online
451 * node. When the mapped node from a given proximity ID is offline, it
452 * looks up the node distance table and returns the nearest online node.
453 *
454 * ACPI device drivers, which are called after the NUMA initialization has
455 * completed in the kernel, can call this interface to obtain their device
456 * NUMA topology from ACPI tables. Such drivers do not have to deal with
457 * offline nodes. A node may be offline when SRAT memory entry does not exist,
458 * or NUMA is disabled, ex. "numa=off" on x86.
459 */
460static inline int pxm_to_online_node(int pxm)
461{
462 int node = pxm_to_node(pxm);
463
464 return numa_map_to_online_node(node);
465}
466#else
467static inline int pxm_to_online_node(int pxm)
468{
469 return 0;
470}
471static inline int acpi_map_pxm_to_node(int pxm)
472{
473 return 0;
474}
475static inline int acpi_get_node(acpi_handle handle)
476{
477 return 0;
478}
479#endif
480extern int acpi_paddr_to_node(u64 start_addr, u64 size);
481
482extern int pnpacpi_disabled;
483
484#define PXM_INVAL (-1)
485
486bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
487bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
488bool acpi_dev_resource_address_space(struct acpi_resource *ares,
489 struct resource_win *win);
490bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
491 struct resource_win *win);
492unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
493unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
494bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
495 struct resource *res);
496
497void acpi_dev_free_resource_list(struct list_head *list);
498int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
499 int (*preproc)(struct acpi_resource *, void *),
500 void *preproc_data);
501int acpi_dev_get_dma_resources(struct acpi_device *adev,
502 struct list_head *list);
503int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
504int acpi_dev_filter_resource_type(struct acpi_resource *ares,
505 unsigned long types);
506
507static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
508 void *arg)
509{
510 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
511}
512
513struct acpi_device *acpi_resource_consumer(struct resource *res);
514
515int acpi_check_resource_conflict(const struct resource *res);
516
517int acpi_check_region(resource_size_t start, resource_size_t n,
518 const char *name);
519
520int acpi_resources_are_enforced(void);
521
522#ifdef CONFIG_HIBERNATION
523extern int acpi_check_s4_hw_signature;
524#endif
525
526#ifdef CONFIG_PM_SLEEP
527void __init acpi_old_suspend_ordering(void);
528void __init acpi_nvs_nosave(void);
529void __init acpi_nvs_nosave_s3(void);
530void __init acpi_sleep_no_blacklist(void);
531#endif /* CONFIG_PM_SLEEP */
532
533int acpi_register_wakeup_handler(
534 int wake_irq, bool (*wakeup)(void *context), void *context);
535void acpi_unregister_wakeup_handler(
536 bool (*wakeup)(void *context), void *context);
537
538struct acpi_osc_context {
539 char *uuid_str; /* UUID string */
540 int rev;
541 struct acpi_buffer cap; /* list of DWORD capabilities */
542 struct acpi_buffer ret; /* free by caller if success */
543};
544
545acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
546
547/* Number of _OSC capability DWORDS depends on bridge type */
548#define OSC_PCI_CAPABILITY_DWORDS 3
549#define OSC_CXL_CAPABILITY_DWORDS 5
550
551/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
552#define OSC_QUERY_DWORD 0 /* DWORD 1 */
553#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
554#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
555#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
556#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
557
558/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
559#define OSC_QUERY_ENABLE 0x00000001 /* input */
560#define OSC_REQUEST_ERROR 0x00000002 /* return */
561#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
562#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
563#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
564
565/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
566#define OSC_SB_PAD_SUPPORT 0x00000001
567#define OSC_SB_PPC_OST_SUPPORT 0x00000002
568#define OSC_SB_PR3_SUPPORT 0x00000004
569#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
570#define OSC_SB_APEI_SUPPORT 0x00000010
571#define OSC_SB_CPC_SUPPORT 0x00000020
572#define OSC_SB_CPCV2_SUPPORT 0x00000040
573#define OSC_SB_PCLPI_SUPPORT 0x00000080
574#define OSC_SB_OSLPI_SUPPORT 0x00000100
575#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
576#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
577#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
578#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
579#define OSC_SB_PRM_SUPPORT 0x00200000
580#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
581
582extern bool osc_sb_apei_support_acked;
583extern bool osc_pc_lpi_support_confirmed;
584extern bool osc_sb_native_usb4_support_confirmed;
585extern bool osc_sb_cppc2_support_acked;
586extern bool osc_cpc_flexible_adr_space_confirmed;
587
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
593
594extern u32 osc_sb_native_usb4_control;
595
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
604
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
613
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
619
620/* CXL _OSC: Capabilities DWORD 5: Control Field */
621#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
622
623static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
624{
625 u32 *ret = context->ret.pointer;
626
627 return ret[OSC_CONTROL_DWORD];
628}
629
630static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
631{
632 u32 *ret = context->ret.pointer;
633
634 return ret[OSC_EXT_CONTROL_DWORD];
635}
636
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
647
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
653#endif
654
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
659
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
664
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
670
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
677
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
682
683enum acpi_predicate {
684 all_versions,
685 less_than_or_equal,
686 equal,
687 greater_than_or_equal,
688};
689
690/* Table must be terminted by a NULL entry */
691struct acpi_platform_list {
692 char oem_id[ACPI_OEM_ID_SIZE+1];
693 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
694 u32 oem_revision;
695 char *table;
696 enum acpi_predicate pred;
697 char *reason;
698 u32 data;
699};
700int acpi_match_platform_list(const struct acpi_platform_list *plat);
701
702extern void acpi_early_init(void);
703extern void acpi_subsystem_init(void);
704
705extern int acpi_nvs_register(__u64 start, __u64 size);
706
707extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
708 void *data);
709
710const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
711 const struct acpi_device *adev);
712
713const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
714 const struct device *dev);
715
716const void *acpi_device_get_match_data(const struct device *dev);
717extern bool acpi_driver_match_device(struct device *dev,
718 const struct device_driver *drv);
719int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
720int acpi_device_modalias(struct device *, char *, int);
721
722struct platform_device *acpi_create_platform_device(struct acpi_device *,
723 const struct property_entry *);
724#define ACPI_PTR(_ptr) (_ptr)
725
726static inline void acpi_device_set_enumerated(struct acpi_device *adev)
727{
728 adev->flags.visited = true;
729}
730
731static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
732{
733 adev->flags.visited = false;
734}
735
736enum acpi_reconfig_event {
737 ACPI_RECONFIG_DEVICE_ADD = 0,
738 ACPI_RECONFIG_DEVICE_REMOVE,
739};
740
741int acpi_reconfig_notifier_register(struct notifier_block *nb);
742int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
743
744#ifdef CONFIG_ACPI_GTDT
745int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
746int acpi_gtdt_map_ppi(int type);
747bool acpi_gtdt_c3stop(int type);
748int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
749#endif
750
751#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
752static inline void acpi_arch_set_root_pointer(u64 addr)
753{
754}
755#endif
756
757#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
758static inline u64 acpi_arch_get_root_pointer(void)
759{
760 return 0;
761}
762#endif
763
764int acpi_get_local_address(acpi_handle handle, u32 *addr);
765const char *acpi_get_subsystem_id(acpi_handle handle);
766
767#else /* !CONFIG_ACPI */
768
769#define acpi_disabled 1
770
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)
775
776#include <acpi/acpi_numa.h>
777
778struct fwnode_handle;
779
780static inline bool acpi_dev_found(const char *hid)
781{
782 return false;
783}
784
785static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
786{
787 return false;
788}
789
790struct acpi_device;
791
792static inline bool
793acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
794{
795 return false;
796}
797
798static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
799{
800 return -ENODEV;
801}
802
803static inline struct acpi_device *
804acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
805{
806 return NULL;
807}
808
809static inline bool acpi_reduced_hardware(void)
810{
811 return false;
812}
813
814static inline void acpi_dev_put(struct acpi_device *adev) {}
815
816static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
817{
818 return false;
819}
820
821static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
822{
823 return false;
824}
825
826static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
827{
828 return NULL;
829}
830
831static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
832{
833 return false;
834}
835
836static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
837{
838 return NULL;
839}
840
841static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
842 const char *name)
843{
844 return false;
845}
846
847static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
848{
849 return NULL;
850}
851
852static inline bool has_acpi_companion(struct device *dev)
853{
854 return false;
855}
856
857static inline void acpi_preset_companion(struct device *dev,
858 struct acpi_device *parent, u64 addr)
859{
860}
861
862static inline const char *acpi_dev_name(struct acpi_device *adev)
863{
864 return NULL;
865}
866
867static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
868{
869 return NULL;
870}
871
872static inline void acpi_early_init(void) { }
873static inline void acpi_subsystem_init(void) { }
874
875static inline int early_acpi_boot_init(void)
876{
877 return 0;
878}
879static inline int acpi_boot_init(void)
880{
881 return 0;
882}
883
884static inline void acpi_boot_table_prepare(void)
885{
886}
887
888static inline void acpi_boot_table_init(void)
889{
890}
891
892static inline int acpi_mps_check(void)
893{
894 return 0;
895}
896
897static inline int acpi_check_resource_conflict(struct resource *res)
898{
899 return 0;
900}
901
902static inline int acpi_check_region(resource_size_t start, resource_size_t n,
903 const char *name)
904{
905 return 0;
906}
907
908struct acpi_table_header;
909static inline int acpi_table_parse(char *id,
910 int (*handler)(struct acpi_table_header *))
911{
912 return -ENODEV;
913}
914
915static inline int acpi_nvs_register(__u64 start, __u64 size)
916{
917 return 0;
918}
919
920static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
921 void *data)
922{
923 return 0;
924}
925
926struct acpi_device_id;
927
928static inline const struct acpi_device_id *acpi_match_acpi_device(
929 const struct acpi_device_id *ids, const struct acpi_device *adev)
930{
931 return NULL;
932}
933
934static inline const struct acpi_device_id *acpi_match_device(
935 const struct acpi_device_id *ids, const struct device *dev)
936{
937 return NULL;
938}
939
940static inline const void *acpi_device_get_match_data(const struct device *dev)
941{
942 return NULL;
943}
944
945static inline bool acpi_driver_match_device(struct device *dev,
946 const struct device_driver *drv)
947{
948 return false;
949}
950
951static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
952 u64 rev, u64 funcs)
953{
954 return false;
955}
956
957static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
958 const guid_t *guid,
959 u64 rev, u64 func,
960 union acpi_object *argv4)
961{
962 return NULL;
963}
964
965static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
966 const guid_t *guid,
967 u64 rev, u64 func,
968 union acpi_object *argv4,
969 acpi_object_type type)
970{
971 return NULL;
972}
973
974static inline int acpi_device_uevent_modalias(const struct device *dev,
975 struct kobj_uevent_env *env)
976{
977 return -ENODEV;
978}
979
980static inline int acpi_device_modalias(struct device *dev,
981 char *buf, int size)
982{
983 return -ENODEV;
984}
985
986static inline struct platform_device *
987acpi_create_platform_device(struct acpi_device *adev,
988 const struct property_entry *properties)
989{
990 return NULL;
991}
992
993static inline bool acpi_dma_supported(const struct acpi_device *adev)
994{
995 return false;
996}
997
998static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
999{
1000 return DEV_DMA_NOT_SUPPORTED;
1001}
1002
1003static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1004{
1005 return -ENODEV;
1006}
1007
1008static inline int acpi_dma_configure(struct device *dev,
1009 enum dev_dma_attr attr)
1010{
1011 return 0;
1012}
1013
1014static inline int acpi_dma_configure_id(struct device *dev,
1015 enum dev_dma_attr attr,
1016 const u32 *input_id)
1017{
1018 return 0;
1019}
1020
1021#define ACPI_PTR(_ptr) (NULL)
1022
1023static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1024{
1025}
1026
1027static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1028{
1029}
1030
1031static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1032{
1033 return -EINVAL;
1034}
1035
1036static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1037{
1038 return -EINVAL;
1039}
1040
1041static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1042{
1043 return NULL;
1044}
1045
1046static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1047{
1048 return -ENODEV;
1049}
1050
1051static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1052{
1053 return ERR_PTR(-ENODEV);
1054}
1055
1056static inline int acpi_register_wakeup_handler(int wake_irq,
1057 bool (*wakeup)(void *context), void *context)
1058{
1059 return -ENXIO;
1060}
1061
1062static inline void acpi_unregister_wakeup_handler(
1063 bool (*wakeup)(void *context), void *context) { }
1064
1065struct acpi_osc_context;
1066static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1067{
1068 return 0;
1069}
1070
1071static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1072{
1073 return 0;
1074}
1075
1076static inline bool acpi_sleep_state_supported(u8 sleep_state)
1077{
1078 return false;
1079}
1080
1081#endif /* !CONFIG_ACPI */
1082
1083extern void arch_post_acpi_subsys_init(void);
1084
1085#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1086int acpi_ioapic_add(acpi_handle root);
1087#else
1088static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1089#endif
1090
1091#ifdef CONFIG_ACPI
1092void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1093 u32 pm1a_ctrl, u32 pm1b_ctrl));
1094
1095acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1096 u32 pm1a_control, u32 pm1b_control);
1097
1098void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1099 u32 val_a, u32 val_b));
1100
1101acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1102 u32 val_a, u32 val_b);
1103#ifdef CONFIG_X86
1104struct acpi_s2idle_dev_ops {
1105 struct list_head list_node;
1106 void (*prepare)(void);
1107 void (*check)(void);
1108 void (*restore)(void);
1109};
1110int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1111void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1112#endif /* CONFIG_X86 */
1113#ifndef CONFIG_IA64
1114void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1115#else
1116static inline void arch_reserve_mem_area(acpi_physical_address addr,
1117 size_t size)
1118{
1119}
1120#endif /* CONFIG_X86 */
1121#else
1122#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1123#endif
1124
1125#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1126int acpi_dev_suspend(struct device *dev, bool wakeup);
1127int acpi_dev_resume(struct device *dev);
1128int acpi_subsys_runtime_suspend(struct device *dev);
1129int acpi_subsys_runtime_resume(struct device *dev);
1130int acpi_dev_pm_attach(struct device *dev, bool power_on);
1131bool acpi_storage_d3(struct device *dev);
1132bool acpi_dev_state_d0(struct device *dev);
1133#else
1134static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1135static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1136static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1137{
1138 return 0;
1139}
1140static inline bool acpi_storage_d3(struct device *dev)
1141{
1142 return false;
1143}
1144static inline bool acpi_dev_state_d0(struct device *dev)
1145{
1146 return true;
1147}
1148#endif
1149
1150#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1151int acpi_subsys_prepare(struct device *dev);
1152void acpi_subsys_complete(struct device *dev);
1153int acpi_subsys_suspend_late(struct device *dev);
1154int acpi_subsys_suspend_noirq(struct device *dev);
1155int acpi_subsys_suspend(struct device *dev);
1156int acpi_subsys_freeze(struct device *dev);
1157int acpi_subsys_poweroff(struct device *dev);
1158void acpi_ec_mark_gpe_for_wake(void);
1159void acpi_ec_set_gpe_wake_mask(u8 action);
1160int acpi_subsys_restore_early(struct device *dev);
1161#else
1162static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1163static inline void acpi_subsys_complete(struct device *dev) {}
1164static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1165static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1166static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1167static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1168static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1169static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1170static inline void acpi_ec_mark_gpe_for_wake(void) {}
1171static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1172#endif
1173
1174#ifdef CONFIG_ACPI
1175__printf(3, 4)
1176void acpi_handle_printk(const char *level, acpi_handle handle,
1177 const char *fmt, ...);
1178void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1179 acpi_status status);
1180#else /* !CONFIG_ACPI */
1181static inline __printf(3, 4) void
1182acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1183static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1184 const char *name,
1185 acpi_status status) {}
1186#endif /* !CONFIG_ACPI */
1187
1188#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1189__printf(3, 4)
1190void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1191#endif
1192
1193/*
1194 * acpi_handle_<level>: Print message with ACPI prefix and object path
1195 *
1196 * These interfaces acquire the global namespace mutex to obtain an object
1197 * path. In interrupt context, it shows the object path as <n/a>.
1198 */
1199#define acpi_handle_emerg(handle, fmt, ...) \
1200 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1201#define acpi_handle_alert(handle, fmt, ...) \
1202 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1203#define acpi_handle_crit(handle, fmt, ...) \
1204 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1205#define acpi_handle_err(handle, fmt, ...) \
1206 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1207#define acpi_handle_warn(handle, fmt, ...) \
1208 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1209#define acpi_handle_notice(handle, fmt, ...) \
1210 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1211#define acpi_handle_info(handle, fmt, ...) \
1212 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1213
1214#if defined(DEBUG)
1215#define acpi_handle_debug(handle, fmt, ...) \
1216 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1217#else
1218#if defined(CONFIG_DYNAMIC_DEBUG)
1219#define acpi_handle_debug(handle, fmt, ...) \
1220 _dynamic_func_call(fmt, __acpi_handle_debug, \
1221 handle, pr_fmt(fmt), ##__VA_ARGS__)
1222#else
1223#define acpi_handle_debug(handle, fmt, ...) \
1224({ \
1225 if (0) \
1226 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1227 0; \
1228})
1229#endif
1230#endif
1231
1232#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1233bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1234 struct acpi_resource_gpio **agpio);
1235bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1236 struct acpi_resource_gpio **agpio);
1237int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1238 bool *wake_capable);
1239#else
1240static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1241 struct acpi_resource_gpio **agpio)
1242{
1243 return false;
1244}
1245static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1246 struct acpi_resource_gpio **agpio)
1247{
1248 return false;
1249}
1250static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1251 int index, bool *wake_capable)
1252{
1253 return -ENXIO;
1254}
1255#endif
1256
1257static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1258 bool *wake_capable)
1259{
1260 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1261}
1262
1263static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1264 int index)
1265{
1266 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1267}
1268
1269static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1270{
1271 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1272}
1273
1274/* Device properties */
1275
1276#ifdef CONFIG_ACPI
1277int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1278 acpi_object_type type, const union acpi_object **obj);
1279int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1280 const char *name, size_t index, size_t num_args,
1281 struct fwnode_reference_args *args);
1282
1283static inline int acpi_node_get_property_reference(
1284 const struct fwnode_handle *fwnode,
1285 const char *name, size_t index,
1286 struct fwnode_reference_args *args)
1287{
1288 return __acpi_node_get_property_reference(fwnode, name, index,
1289 NR_FWNODE_REFERENCE_ARGS, args);
1290}
1291
1292static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1293{
1294 return !list_empty(&adev->data.properties);
1295}
1296
1297struct acpi_device_properties *
1298acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1299 union acpi_object *properties);
1300
1301int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1302 void **valptr);
1303
1304struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1305 struct fwnode_handle *child);
1306
1307struct acpi_probe_entry;
1308typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1309 struct acpi_probe_entry *);
1310
1311#define ACPI_TABLE_ID_LEN 5
1312
1313/**
1314 * struct acpi_probe_entry - boot-time probing entry
1315 * @id: ACPI table name
1316 * @type: Optional subtable type to match
1317 * (if @id contains subtables)
1318 * @subtable_valid: Optional callback to check the validity of
1319 * the subtable
1320 * @probe_table: Callback to the driver being probed when table
1321 * match is successful
1322 * @probe_subtbl: Callback to the driver being probed when table and
1323 * subtable match (and optional callback is successful)
1324 * @driver_data: Sideband data provided back to the driver
1325 */
1326struct acpi_probe_entry {
1327 __u8 id[ACPI_TABLE_ID_LEN];
1328 __u8 type;
1329 acpi_probe_entry_validate_subtbl subtable_valid;
1330 union {
1331 acpi_tbl_table_handler probe_table;
1332 acpi_tbl_entry_handler probe_subtbl;
1333 };
1334 kernel_ulong_t driver_data;
1335};
1336
1337#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1338 valid, data, fn) \
1339 static const struct acpi_probe_entry __acpi_probe_##name \
1340 __used __section("__" #table "_acpi_probe_table") = { \
1341 .id = table_id, \
1342 .type = subtable, \
1343 .subtable_valid = valid, \
1344 .probe_table = fn, \
1345 .driver_data = data, \
1346 }
1347
1348#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1349 subtable, valid, data, fn) \
1350 static const struct acpi_probe_entry __acpi_probe_##name \
1351 __used __section("__" #table "_acpi_probe_table") = { \
1352 .id = table_id, \
1353 .type = subtable, \
1354 .subtable_valid = valid, \
1355 .probe_subtbl = fn, \
1356 .driver_data = data, \
1357 }
1358
1359#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1360#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1361
1362int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1363
1364#define acpi_probe_device_table(t) \
1365 ({ \
1366 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1367 ACPI_PROBE_TABLE_END(t); \
1368 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1369 (&ACPI_PROBE_TABLE_END(t) - \
1370 &ACPI_PROBE_TABLE(t))); \
1371 })
1372#else
1373static inline int acpi_dev_get_property(struct acpi_device *adev,
1374 const char *name, acpi_object_type type,
1375 const union acpi_object **obj)
1376{
1377 return -ENXIO;
1378}
1379
1380static inline int
1381__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1382 const char *name, size_t index, size_t num_args,
1383 struct fwnode_reference_args *args)
1384{
1385 return -ENXIO;
1386}
1387
1388static inline int
1389acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1390 const char *name, size_t index,
1391 struct fwnode_reference_args *args)
1392{
1393 return -ENXIO;
1394}
1395
1396static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1397 const char *propname,
1398 void **valptr)
1399{
1400 return -ENXIO;
1401}
1402
1403static inline struct fwnode_handle *
1404acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1405 struct fwnode_handle *child)
1406{
1407 return NULL;
1408}
1409
1410static inline struct fwnode_handle *
1411acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1412 struct fwnode_handle *prev)
1413{
1414 return ERR_PTR(-ENXIO);
1415}
1416
1417static inline int
1418acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1419 struct fwnode_handle **remote,
1420 struct fwnode_handle **port,
1421 struct fwnode_handle **endpoint)
1422{
1423 return -ENXIO;
1424}
1425
1426#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1427 static const void * __acpi_table_##name[] \
1428 __attribute__((unused)) \
1429 = { (void *) table_id, \
1430 (void *) subtable, \
1431 (void *) valid, \
1432 (void *) fn, \
1433 (void *) data }
1434
1435#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1436#endif
1437
1438#ifdef CONFIG_ACPI_TABLE_UPGRADE
1439void acpi_table_upgrade(void);
1440#else
1441static inline void acpi_table_upgrade(void) { }
1442#endif
1443
1444#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1445extern bool acpi_has_watchdog(void);
1446#else
1447static inline bool acpi_has_watchdog(void) { return false; }
1448#endif
1449
1450#ifdef CONFIG_ACPI_SPCR_TABLE
1451extern bool qdf2400_e44_present;
1452int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1453#else
1454static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1455{
1456 return 0;
1457}
1458#endif
1459
1460#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1461int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1462#else
1463static inline
1464int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1465{
1466 return -EINVAL;
1467}
1468#endif
1469
1470#ifdef CONFIG_ACPI_LPIT
1471int lpit_read_residency_count_address(u64 *address);
1472#else
1473static inline int lpit_read_residency_count_address(u64 *address)
1474{
1475 return -EINVAL;
1476}
1477#endif
1478
1479#ifdef CONFIG_ACPI_PPTT
1480int acpi_pptt_cpu_is_thread(unsigned int cpu);
1481int find_acpi_cpu_topology(unsigned int cpu, int level);
1482int find_acpi_cpu_topology_cluster(unsigned int cpu);
1483int find_acpi_cpu_topology_package(unsigned int cpu);
1484int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1485#else
1486static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1487{
1488 return -EINVAL;
1489}
1490static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1491{
1492 return -EINVAL;
1493}
1494static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1495{
1496 return -EINVAL;
1497}
1498static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1499{
1500 return -EINVAL;
1501}
1502static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1503{
1504 return -EINVAL;
1505}
1506#endif
1507
1508#ifdef CONFIG_ARM64
1509void acpi_arm_init(void);
1510#else
1511static inline void acpi_arm_init(void) { }
1512#endif
1513
1514#ifdef CONFIG_ACPI_PCC
1515void acpi_init_pcc(void);
1516#else
1517static inline void acpi_init_pcc(void) { }
1518#endif
1519
1520#ifdef CONFIG_ACPI_FFH
1521void acpi_init_ffh(void);
1522extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1523 void **region_ctxt);
1524extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1525 void *region_context);
1526#else
1527static inline void acpi_init_ffh(void) { }
1528#endif
1529
1530#ifdef CONFIG_ACPI
1531extern void acpi_device_notify(struct device *dev);
1532extern void acpi_device_notify_remove(struct device *dev);
1533#else
1534static inline void acpi_device_notify(struct device *dev) { }
1535static inline void acpi_device_notify_remove(struct device *dev) { }
1536#endif
1537
1538#endif /*_LINUX_ACPI_H*/