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David Brazdil0f672f62019-12-10 10:32:29 +00001/* SPDX-License-Identifier: GPL-2.0-or-later */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002/*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00006 */
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 */
David Brazdil0f672f62019-12-10 10:32:29 +000013#include <linux/irqdomain.h>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000014#include <linux/resource_ext.h>
15#include <linux/device.h>
16#include <linux/property.h>
17#include <linux/uuid.h>
18
19#ifndef _LINUX
20#define _LINUX
21#endif
22#include <acpi/acpi.h>
23
24#ifdef CONFIG_ACPI
25
26#include <linux/list.h>
27#include <linux/mod_devicetable.h>
28#include <linux/dynamic_debug.h>
29#include <linux/module.h>
30#include <linux/mutex.h>
31
32#include <acpi/acpi_bus.h>
33#include <acpi/acpi_drivers.h>
34#include <acpi/acpi_numa.h>
35#include <acpi/acpi_io.h>
36#include <asm/acpi.h>
37
38static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
39{
40 return adev ? adev->handle : NULL;
41}
42
43#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
44#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
45 acpi_fwnode_handle(adev) : NULL)
46#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
47#define ACPI_HANDLE_FWNODE(fwnode) \
48 acpi_device_handle(to_acpi_device_node(fwnode))
49
50static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
51{
52 struct fwnode_handle *fwnode;
53
54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
55 if (!fwnode)
56 return NULL;
57
58 fwnode->ops = &acpi_static_fwnode_ops;
59
60 return fwnode;
61}
62
63static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
64{
65 if (WARN_ON(!is_acpi_static_node(fwnode)))
66 return;
67
68 kfree(fwnode);
69}
70
71/**
72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
73 * the PCI-defined class-code information
74 *
75 * @_cls : the class, subclass, prog-if triple for this device
76 * @_msk : the class mask for this device
77 *
78 * This macro is used to create a struct acpi_device_id that matches a
79 * specific PCI class. The .id and .driver_data fields will be left
80 * initialized with the default value.
81 */
82#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
83
84static inline bool has_acpi_companion(struct device *dev)
85{
86 return is_acpi_device_node(dev->fwnode);
87}
88
89static inline void acpi_preset_companion(struct device *dev,
90 struct acpi_device *parent, u64 addr)
91{
David Brazdil0f672f62019-12-10 10:32:29 +000092 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000093}
94
95static inline const char *acpi_dev_name(struct acpi_device *adev)
96{
97 return dev_name(&adev->dev);
98}
99
100struct device *acpi_get_first_physical_node(struct acpi_device *adev);
101
102enum 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,
107 ACPI_IRQ_MODEL_GIC,
108 ACPI_IRQ_MODEL_COUNT
109};
110
111extern enum acpi_irq_model_id acpi_irq_model;
112
113enum acpi_interrupt_id {
114 ACPI_INTERRUPT_PMI = 1,
115 ACPI_INTERRUPT_INIT,
116 ACPI_INTERRUPT_CPEI,
117 ACPI_INTERRUPT_COUNT
118};
119
120#define ACPI_SPACE_MEM 0
121
122enum acpi_address_range_id {
123 ACPI_ADDRESS_RANGE_MEMORY = 1,
124 ACPI_ADDRESS_RANGE_RESERVED = 2,
125 ACPI_ADDRESS_RANGE_ACPI = 3,
126 ACPI_ADDRESS_RANGE_NVS = 4,
127 ACPI_ADDRESS_RANGE_COUNT
128};
129
130
131/* Table Handlers */
David Brazdil0f672f62019-12-10 10:32:29 +0000132union acpi_subtable_headers {
133 struct acpi_subtable_header common;
134 struct acpi_hmat_structure hmat;
135};
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000136
137typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
138
David Brazdil0f672f62019-12-10 10:32:29 +0000139typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000140 const unsigned long end);
141
142/* Debugger support */
143
144struct acpi_debugger_ops {
145 int (*create_thread)(acpi_osd_exec_callback function, void *context);
146 ssize_t (*write_log)(const char *msg);
147 ssize_t (*read_cmd)(char *buffer, size_t length);
148 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
149 int (*notify_command_complete)(void);
150};
151
152struct acpi_debugger {
153 const struct acpi_debugger_ops *ops;
154 struct module *owner;
155 struct mutex lock;
156};
157
158#ifdef CONFIG_ACPI_DEBUGGER
159int __init acpi_debugger_init(void);
160int acpi_register_debugger(struct module *owner,
161 const struct acpi_debugger_ops *ops);
162void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
163int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
164ssize_t acpi_debugger_write_log(const char *msg);
165ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
166int acpi_debugger_wait_command_ready(void);
167int acpi_debugger_notify_command_complete(void);
168#else
169static inline int acpi_debugger_init(void)
170{
171 return -ENODEV;
172}
173
174static inline int acpi_register_debugger(struct module *owner,
175 const struct acpi_debugger_ops *ops)
176{
177 return -ENODEV;
178}
179
180static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
181{
182}
183
184static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
185 void *context)
186{
187 return -ENODEV;
188}
189
190static inline int acpi_debugger_write_log(const char *msg)
191{
192 return -ENODEV;
193}
194
195static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
196{
197 return -ENODEV;
198}
199
200static inline int acpi_debugger_wait_command_ready(void)
201{
202 return -ENODEV;
203}
204
205static inline int acpi_debugger_notify_command_complete(void)
206{
207 return -ENODEV;
208}
209#endif
210
211#define BAD_MADT_ENTRY(entry, end) ( \
212 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
213 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
214
215struct acpi_subtable_proc {
216 int id;
217 acpi_tbl_entry_handler handler;
218 int count;
219};
220
221void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
222void __acpi_unmap_table(void __iomem *map, unsigned long size);
223int early_acpi_boot_init(void);
224int acpi_boot_init (void);
Olivier Deprez0e641232021-09-23 10:07:05 +0200225void acpi_boot_table_prepare (void);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000226void acpi_boot_table_init (void);
227int acpi_mps_check (void);
228int acpi_numa_init (void);
229
Olivier Deprez0e641232021-09-23 10:07:05 +0200230int acpi_locate_initial_tables (void);
231void acpi_reserve_initial_tables (void);
232void acpi_table_init_complete (void);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000233int acpi_table_init (void);
234int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
235int __init acpi_table_parse_entries(char *id, unsigned long table_size,
236 int entry_id,
237 acpi_tbl_entry_handler handler,
238 unsigned int max_entries);
239int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
240 struct acpi_subtable_proc *proc, int proc_num,
241 unsigned int max_entries);
242int acpi_table_parse_madt(enum acpi_madt_type id,
243 acpi_tbl_entry_handler handler,
244 unsigned int max_entries);
245int acpi_parse_mcfg (struct acpi_table_header *header);
246void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
247
248/* the following numa functions are architecture-dependent */
249void acpi_numa_slit_init (struct acpi_table_slit *slit);
250
251#if defined(CONFIG_X86) || defined(CONFIG_IA64)
252void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
253#else
254static inline void
255acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
256#endif
257
258void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
259
260#ifdef CONFIG_ARM64
261void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
262#else
263static inline void
264acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
265#endif
266
267int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
268
269#ifndef PHYS_CPUID_INVALID
270typedef u32 phys_cpuid_t;
271#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
272#endif
273
274static inline bool invalid_logical_cpuid(u32 cpuid)
275{
276 return (int)cpuid < 0;
277}
278
279static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
280{
281 return phys_id == PHYS_CPUID_INVALID;
282}
283
284/* Validate the processor object's proc_id */
285bool acpi_duplicate_processor_id(int proc_id);
286
287#ifdef CONFIG_ACPI_HOTPLUG_CPU
288/* Arch dependent functions for cpu hotplug support */
289int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
290 int *pcpu);
291int acpi_unmap_cpu(int cpu);
292#endif /* CONFIG_ACPI_HOTPLUG_CPU */
293
294#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
295int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
296#endif
297
298int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
299int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
300int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
301void acpi_irq_stats_init(void);
302extern u32 acpi_irq_handled;
303extern u32 acpi_irq_not_handled;
304extern unsigned int acpi_sci_irq;
305extern bool acpi_no_s5;
306#define INVALID_ACPI_IRQ ((unsigned)-1)
307static inline bool acpi_sci_irq_valid(void)
308{
309 return acpi_sci_irq != INVALID_ACPI_IRQ;
310}
311
312extern int sbf_port;
313extern unsigned long acpi_realmode_flags;
314
315int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
316int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
317int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
318
319void acpi_set_irq_model(enum acpi_irq_model_id model,
320 struct fwnode_handle *fwnode);
321
David Brazdil0f672f62019-12-10 10:32:29 +0000322struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
323 unsigned int size,
324 struct fwnode_handle *fwnode,
325 const struct irq_domain_ops *ops,
326 void *host_data);
327
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000328#ifdef CONFIG_X86_IO_APIC
329extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
330#else
David Brazdil0f672f62019-12-10 10:32:29 +0000331static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
332{
333 return -1;
334}
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000335#endif
336/*
337 * This function undoes the effect of one call to acpi_register_gsi().
338 * If this matches the last registration, any IRQ resources for gsi
339 * are freed.
340 */
341void acpi_unregister_gsi (u32 gsi);
342
343struct pci_dev;
344
345int acpi_pci_irq_enable (struct pci_dev *dev);
346void acpi_penalize_isa_irq(int irq, int active);
347bool acpi_isa_irq_available(int irq);
David Brazdil0f672f62019-12-10 10:32:29 +0000348#ifdef CONFIG_PCI
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000349void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
David Brazdil0f672f62019-12-10 10:32:29 +0000350#else
351static inline void acpi_penalize_sci_irq(int irq, int trigger,
352 int polarity)
353{
354}
355#endif
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000356void acpi_pci_irq_disable (struct pci_dev *dev);
357
358extern int ec_read(u8 addr, u8 *val);
359extern int ec_write(u8 addr, u8 val);
360extern int ec_transaction(u8 command,
361 const u8 *wdata, unsigned wdata_len,
362 u8 *rdata, unsigned rdata_len);
363extern acpi_handle ec_get_handle(void);
364
365extern bool acpi_is_pnp_device(struct acpi_device *);
366
367#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
368
369typedef void (*wmi_notify_handler) (u32 value, void *context);
370
371extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
372 u32 method_id,
373 const struct acpi_buffer *in,
374 struct acpi_buffer *out);
375extern acpi_status wmi_query_block(const char *guid, u8 instance,
376 struct acpi_buffer *out);
377extern acpi_status wmi_set_block(const char *guid, u8 instance,
378 const struct acpi_buffer *in);
379extern acpi_status wmi_install_notify_handler(const char *guid,
380 wmi_notify_handler handler, void *data);
381extern acpi_status wmi_remove_notify_handler(const char *guid);
382extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
383extern bool wmi_has_guid(const char *guid);
David Brazdil0f672f62019-12-10 10:32:29 +0000384extern char *wmi_get_acpi_device_uid(const char *guid);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000385
386#endif /* CONFIG_ACPI_WMI */
387
388#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
389#define ACPI_VIDEO_DEVICE_POSTING 0x0002
390#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
391#define ACPI_VIDEO_BACKLIGHT 0x0008
392#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
393#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
394#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
395#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
396#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
397#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
398#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
399#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
400
401extern char acpi_video_backlight_string[];
402extern long acpi_is_video_device(acpi_handle handle);
403extern int acpi_blacklisted(void);
404extern void acpi_osi_setup(char *str);
405extern bool acpi_osi_is_win8(void);
406
407#ifdef CONFIG_ACPI_NUMA
408int acpi_map_pxm_to_online_node(int pxm);
David Brazdil0f672f62019-12-10 10:32:29 +0000409int acpi_map_pxm_to_node(int pxm);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000410int acpi_get_node(acpi_handle handle);
411#else
412static inline int acpi_map_pxm_to_online_node(int pxm)
413{
414 return 0;
415}
David Brazdil0f672f62019-12-10 10:32:29 +0000416static inline int acpi_map_pxm_to_node(int pxm)
417{
418 return 0;
419}
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000420static inline int acpi_get_node(acpi_handle handle)
421{
422 return 0;
423}
424#endif
425extern int acpi_paddr_to_node(u64 start_addr, u64 size);
426
427extern int pnpacpi_disabled;
428
429#define PXM_INVAL (-1)
430
431bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
432bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
433bool acpi_dev_resource_address_space(struct acpi_resource *ares,
434 struct resource_win *win);
435bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
436 struct resource_win *win);
437unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
438unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
439bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
440 struct resource *res);
441
442void acpi_dev_free_resource_list(struct list_head *list);
443int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
444 int (*preproc)(struct acpi_resource *, void *),
445 void *preproc_data);
446int acpi_dev_get_dma_resources(struct acpi_device *adev,
447 struct list_head *list);
448int acpi_dev_filter_resource_type(struct acpi_resource *ares,
449 unsigned long types);
450
451static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
452 void *arg)
453{
454 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
455}
456
457struct acpi_device *acpi_resource_consumer(struct resource *res);
458
459int acpi_check_resource_conflict(const struct resource *res);
460
461int acpi_check_region(resource_size_t start, resource_size_t n,
462 const char *name);
463
464acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
465 u32 level);
466
467int acpi_resources_are_enforced(void);
468
469#ifdef CONFIG_HIBERNATION
470void __init acpi_no_s4_hw_signature(void);
471#endif
472
473#ifdef CONFIG_PM_SLEEP
474void __init acpi_old_suspend_ordering(void);
475void __init acpi_nvs_nosave(void);
476void __init acpi_nvs_nosave_s3(void);
477void __init acpi_sleep_no_blacklist(void);
478#endif /* CONFIG_PM_SLEEP */
479
Olivier Deprez0e641232021-09-23 10:07:05 +0200480int acpi_register_wakeup_handler(
481 int wake_irq, bool (*wakeup)(void *context), void *context);
482void acpi_unregister_wakeup_handler(
483 bool (*wakeup)(void *context), void *context);
484
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000485struct acpi_osc_context {
486 char *uuid_str; /* UUID string */
487 int rev;
488 struct acpi_buffer cap; /* list of DWORD capabilities */
489 struct acpi_buffer ret; /* free by caller if success */
490};
491
492acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
493
494/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
495#define OSC_QUERY_DWORD 0 /* DWORD 1 */
496#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
497#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
498
499/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
500#define OSC_QUERY_ENABLE 0x00000001 /* input */
501#define OSC_REQUEST_ERROR 0x00000002 /* return */
502#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
503#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
504#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
505
506/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
507#define OSC_SB_PAD_SUPPORT 0x00000001
508#define OSC_SB_PPC_OST_SUPPORT 0x00000002
509#define OSC_SB_PR3_SUPPORT 0x00000004
510#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
511#define OSC_SB_APEI_SUPPORT 0x00000010
512#define OSC_SB_CPC_SUPPORT 0x00000020
513#define OSC_SB_CPCV2_SUPPORT 0x00000040
514#define OSC_SB_PCLPI_SUPPORT 0x00000080
515#define OSC_SB_OSLPI_SUPPORT 0x00000100
516#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
517
518extern bool osc_sb_apei_support_acked;
519extern bool osc_pc_lpi_support_confirmed;
520
521/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
522#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
523#define OSC_PCI_ASPM_SUPPORT 0x00000002
524#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
525#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
526#define OSC_PCI_MSI_SUPPORT 0x00000010
David Brazdil0f672f62019-12-10 10:32:29 +0000527#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
528#define OSC_PCI_SUPPORT_MASKS 0x0000011f
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000529
530/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
531#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
532#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
533#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
534#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
535#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
536#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
537#define OSC_PCI_CONTROL_MASKS 0x0000003f
538
539#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
540#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
541#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
542#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
543#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
544#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
545#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
546#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
547#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
548#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
549
550extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
551 u32 *mask, u32 req);
552
553/* Enable _OST when all relevant hotplug operations are enabled */
554#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
555 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
556 defined(CONFIG_ACPI_CONTAINER)
557#define ACPI_HOTPLUG_OST
558#endif
559
560/* _OST Source Event Code (OSPM Action) */
561#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
562#define ACPI_OST_EC_OSPM_EJECT 0x103
563#define ACPI_OST_EC_OSPM_INSERTION 0x200
564
565/* _OST General Processing Status Code */
566#define ACPI_OST_SC_SUCCESS 0x0
567#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
568#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
569
570/* _OST OS Shutdown Processing (0x100) Status Code */
571#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
572#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
573#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
574#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
575
576/* _OST Ejection Request (0x3, 0x103) Status Code */
577#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
578#define ACPI_OST_SC_DEVICE_IN_USE 0x81
579#define ACPI_OST_SC_DEVICE_BUSY 0x82
580#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
581#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
582
583/* _OST Insertion Request (0x200) Status Code */
584#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
585#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
586#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
587
588enum acpi_predicate {
589 all_versions,
590 less_than_or_equal,
591 equal,
592 greater_than_or_equal,
593};
594
595/* Table must be terminted by a NULL entry */
596struct acpi_platform_list {
597 char oem_id[ACPI_OEM_ID_SIZE+1];
598 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
599 u32 oem_revision;
600 char *table;
601 enum acpi_predicate pred;
602 char *reason;
603 u32 data;
604};
605int acpi_match_platform_list(const struct acpi_platform_list *plat);
606
607extern void acpi_early_init(void);
608extern void acpi_subsystem_init(void);
609extern void arch_post_acpi_subsys_init(void);
610
611extern int acpi_nvs_register(__u64 start, __u64 size);
612
613extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
614 void *data);
615
616const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
617 const struct device *dev);
618
619const void *acpi_device_get_match_data(const struct device *dev);
620extern bool acpi_driver_match_device(struct device *dev,
621 const struct device_driver *drv);
622int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
623int acpi_device_modalias(struct device *, char *, int);
624void acpi_walk_dep_device_list(acpi_handle handle);
625
626struct platform_device *acpi_create_platform_device(struct acpi_device *,
627 struct property_entry *);
628#define ACPI_PTR(_ptr) (_ptr)
629
630static inline void acpi_device_set_enumerated(struct acpi_device *adev)
631{
632 adev->flags.visited = true;
633}
634
635static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
636{
637 adev->flags.visited = false;
638}
639
640enum acpi_reconfig_event {
641 ACPI_RECONFIG_DEVICE_ADD = 0,
642 ACPI_RECONFIG_DEVICE_REMOVE,
643};
644
645int acpi_reconfig_notifier_register(struct notifier_block *nb);
646int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
647
648#ifdef CONFIG_ACPI_GTDT
649int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
650int acpi_gtdt_map_ppi(int type);
651bool acpi_gtdt_c3stop(int type);
652int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
653#endif
654
David Brazdil0f672f62019-12-10 10:32:29 +0000655#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
656static inline void acpi_arch_set_root_pointer(u64 addr)
657{
658}
659#endif
660
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000661#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
662static inline u64 acpi_arch_get_root_pointer(void)
663{
664 return 0;
665}
666#endif
667
668#else /* !CONFIG_ACPI */
669
670#define acpi_disabled 1
671
672#define ACPI_COMPANION(dev) (NULL)
673#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
674#define ACPI_HANDLE(dev) (NULL)
675#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
676#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
677
678struct fwnode_handle;
679
680static inline bool acpi_dev_found(const char *hid)
681{
682 return false;
683}
684
685static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
686{
687 return false;
688}
689
David Brazdil0f672f62019-12-10 10:32:29 +0000690static inline struct acpi_device *
691acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000692{
693 return NULL;
694}
695
David Brazdil0f672f62019-12-10 10:32:29 +0000696static inline void acpi_dev_put(struct acpi_device *adev) {}
697
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000698static inline bool is_acpi_node(struct fwnode_handle *fwnode)
699{
700 return false;
701}
702
703static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
704{
705 return false;
706}
707
708static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
709{
710 return NULL;
711}
712
713static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
714{
715 return false;
716}
717
718static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
719{
720 return NULL;
721}
722
723static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
724 const char *name)
725{
726 return false;
727}
728
729static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
730{
731 return NULL;
732}
733
734static inline bool has_acpi_companion(struct device *dev)
735{
736 return false;
737}
738
739static inline void acpi_preset_companion(struct device *dev,
740 struct acpi_device *parent, u64 addr)
741{
742}
743
744static inline const char *acpi_dev_name(struct acpi_device *adev)
745{
746 return NULL;
747}
748
749static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
750{
751 return NULL;
752}
753
754static inline void acpi_early_init(void) { }
755static inline void acpi_subsystem_init(void) { }
756
757static inline int early_acpi_boot_init(void)
758{
759 return 0;
760}
761static inline int acpi_boot_init(void)
762{
763 return 0;
764}
765
Olivier Deprez0e641232021-09-23 10:07:05 +0200766static inline void acpi_boot_table_prepare(void)
767{
768}
769
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000770static inline void acpi_boot_table_init(void)
771{
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000772}
773
774static inline int acpi_mps_check(void)
775{
776 return 0;
777}
778
779static inline int acpi_check_resource_conflict(struct resource *res)
780{
781 return 0;
782}
783
784static inline int acpi_check_region(resource_size_t start, resource_size_t n,
785 const char *name)
786{
787 return 0;
788}
789
790struct acpi_table_header;
791static inline int acpi_table_parse(char *id,
792 int (*handler)(struct acpi_table_header *))
793{
794 return -ENODEV;
795}
796
797static inline int acpi_nvs_register(__u64 start, __u64 size)
798{
799 return 0;
800}
801
802static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
803 void *data)
804{
805 return 0;
806}
807
808struct acpi_device_id;
809
810static inline const struct acpi_device_id *acpi_match_device(
811 const struct acpi_device_id *ids, const struct device *dev)
812{
813 return NULL;
814}
815
816static inline const void *acpi_device_get_match_data(const struct device *dev)
817{
818 return NULL;
819}
820
821static inline bool acpi_driver_match_device(struct device *dev,
822 const struct device_driver *drv)
823{
824 return false;
825}
826
827static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
828 const guid_t *guid,
829 int rev, int func,
830 union acpi_object *argv4)
831{
832 return NULL;
833}
834
835static inline int acpi_device_uevent_modalias(struct device *dev,
836 struct kobj_uevent_env *env)
837{
838 return -ENODEV;
839}
840
841static inline int acpi_device_modalias(struct device *dev,
842 char *buf, int size)
843{
844 return -ENODEV;
845}
846
Olivier Deprez0e641232021-09-23 10:07:05 +0200847static inline struct platform_device *
848acpi_create_platform_device(struct acpi_device *adev,
849 struct property_entry *properties)
850{
851 return NULL;
852}
853
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000854static inline bool acpi_dma_supported(struct acpi_device *adev)
855{
856 return false;
857}
858
859static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
860{
861 return DEV_DMA_NOT_SUPPORTED;
862}
863
864static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
865 u64 *offset, u64 *size)
866{
867 return -ENODEV;
868}
869
870static inline int acpi_dma_configure(struct device *dev,
871 enum dev_dma_attr attr)
872{
873 return 0;
874}
875
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000876#define ACPI_PTR(_ptr) (NULL)
877
878static inline void acpi_device_set_enumerated(struct acpi_device *adev)
879{
880}
881
882static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
883{
884}
885
886static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
887{
888 return -EINVAL;
889}
890
891static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
892{
893 return -EINVAL;
894}
895
896static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
897{
898 return NULL;
899}
900
901#endif /* !CONFIG_ACPI */
902
903#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
904int acpi_ioapic_add(acpi_handle root);
905#else
906static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
907#endif
908
909#ifdef CONFIG_ACPI
910void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
911 u32 pm1a_ctrl, u32 pm1b_ctrl));
912
913acpi_status acpi_os_prepare_sleep(u8 sleep_state,
914 u32 pm1a_control, u32 pm1b_control);
915
916void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
917 u32 val_a, u32 val_b));
918
919acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
920 u32 val_a, u32 val_b);
921
922#ifdef CONFIG_X86
923void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
924#else
925static inline void arch_reserve_mem_area(acpi_physical_address addr,
926 size_t size)
927{
928}
929#endif /* CONFIG_X86 */
930#else
931#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
932#endif
933
934#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
935int acpi_dev_suspend(struct device *dev, bool wakeup);
936int acpi_dev_resume(struct device *dev);
937int acpi_subsys_runtime_suspend(struct device *dev);
938int acpi_subsys_runtime_resume(struct device *dev);
939int acpi_dev_pm_attach(struct device *dev, bool power_on);
940#else
941static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
942static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
943static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
944static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
945static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
946{
947 return 0;
948}
949#endif
950
951#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000952int acpi_subsys_prepare(struct device *dev);
953void acpi_subsys_complete(struct device *dev);
954int acpi_subsys_suspend_late(struct device *dev);
955int acpi_subsys_suspend_noirq(struct device *dev);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000956int acpi_subsys_suspend(struct device *dev);
957int acpi_subsys_freeze(struct device *dev);
David Brazdil0f672f62019-12-10 10:32:29 +0000958int acpi_subsys_poweroff(struct device *dev);
959void acpi_ec_mark_gpe_for_wake(void);
960void acpi_ec_set_gpe_wake_mask(u8 action);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000961#else
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000962static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
963static inline void acpi_subsys_complete(struct device *dev) {}
964static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
965static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000966static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
967static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
David Brazdil0f672f62019-12-10 10:32:29 +0000968static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
969static inline void acpi_ec_mark_gpe_for_wake(void) {}
970static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000971#endif
972
973#ifdef CONFIG_ACPI
974__printf(3, 4)
975void acpi_handle_printk(const char *level, acpi_handle handle,
976 const char *fmt, ...);
977#else /* !CONFIG_ACPI */
978static inline __printf(3, 4) void
979acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
980#endif /* !CONFIG_ACPI */
981
982#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
983__printf(3, 4)
984void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000985#endif
986
987/*
988 * acpi_handle_<level>: Print message with ACPI prefix and object path
989 *
990 * These interfaces acquire the global namespace mutex to obtain an object
991 * path. In interrupt context, it shows the object path as <n/a>.
992 */
993#define acpi_handle_emerg(handle, fmt, ...) \
994 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
995#define acpi_handle_alert(handle, fmt, ...) \
996 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
997#define acpi_handle_crit(handle, fmt, ...) \
998 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
999#define acpi_handle_err(handle, fmt, ...) \
1000 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1001#define acpi_handle_warn(handle, fmt, ...) \
1002 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1003#define acpi_handle_notice(handle, fmt, ...) \
1004 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1005#define acpi_handle_info(handle, fmt, ...) \
1006 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1007
1008#if defined(DEBUG)
1009#define acpi_handle_debug(handle, fmt, ...) \
1010 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1011#else
1012#if defined(CONFIG_DYNAMIC_DEBUG)
1013#define acpi_handle_debug(handle, fmt, ...) \
David Brazdil0f672f62019-12-10 10:32:29 +00001014 _dynamic_func_call(fmt, __acpi_handle_debug, \
1015 handle, pr_fmt(fmt), ##__VA_ARGS__)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001016#else
1017#define acpi_handle_debug(handle, fmt, ...) \
1018({ \
1019 if (0) \
1020 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1021 0; \
1022})
1023#endif
1024#endif
1025
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001026#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001027bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1028 struct acpi_resource_gpio **agpio);
1029int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1030#else
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001031static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1032 struct acpi_resource_gpio **agpio)
1033{
1034 return false;
1035}
1036static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1037{
1038 return -ENXIO;
1039}
1040#endif
1041
1042/* Device properties */
1043
1044#ifdef CONFIG_ACPI
1045int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1046 acpi_object_type type, const union acpi_object **obj);
1047int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1048 const char *name, size_t index, size_t num_args,
1049 struct fwnode_reference_args *args);
1050
1051static inline int acpi_node_get_property_reference(
1052 const struct fwnode_handle *fwnode,
1053 const char *name, size_t index,
1054 struct fwnode_reference_args *args)
1055{
1056 return __acpi_node_get_property_reference(fwnode, name, index,
1057 NR_FWNODE_REFERENCE_ARGS, args);
1058}
1059
David Brazdil0f672f62019-12-10 10:32:29 +00001060static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1061{
1062 return !list_empty(&adev->data.properties);
1063}
1064
1065struct acpi_device_properties *
1066acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1067 const union acpi_object *properties);
1068
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001069int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1070 void **valptr);
1071int acpi_dev_prop_read_single(struct acpi_device *adev,
1072 const char *propname, enum dev_prop_type proptype,
1073 void *val);
1074int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1075 const char *propname, enum dev_prop_type proptype,
1076 void *val, size_t nval);
1077int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1078 enum dev_prop_type proptype, void *val, size_t nval);
1079
1080struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1081 struct fwnode_handle *child);
1082struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1083
1084struct acpi_probe_entry;
1085typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1086 struct acpi_probe_entry *);
1087
1088#define ACPI_TABLE_ID_LEN 5
1089
1090/**
1091 * struct acpi_probe_entry - boot-time probing entry
1092 * @id: ACPI table name
1093 * @type: Optional subtable type to match
1094 * (if @id contains subtables)
1095 * @subtable_valid: Optional callback to check the validity of
1096 * the subtable
1097 * @probe_table: Callback to the driver being probed when table
1098 * match is successful
1099 * @probe_subtbl: Callback to the driver being probed when table and
1100 * subtable match (and optional callback is successful)
1101 * @driver_data: Sideband data provided back to the driver
1102 */
1103struct acpi_probe_entry {
1104 __u8 id[ACPI_TABLE_ID_LEN];
1105 __u8 type;
1106 acpi_probe_entry_validate_subtbl subtable_valid;
1107 union {
1108 acpi_tbl_table_handler probe_table;
1109 acpi_tbl_entry_handler probe_subtbl;
1110 };
1111 kernel_ulong_t driver_data;
1112};
1113
1114#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1115 static const struct acpi_probe_entry __acpi_probe_##name \
1116 __used __section(__##table##_acpi_probe_table) \
1117 = { \
1118 .id = table_id, \
1119 .type = subtable, \
1120 .subtable_valid = valid, \
1121 .probe_table = (acpi_tbl_table_handler)fn, \
1122 .driver_data = data, \
1123 }
1124
1125#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1126#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1127
1128int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1129
1130#define acpi_probe_device_table(t) \
1131 ({ \
1132 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1133 ACPI_PROBE_TABLE_END(t); \
1134 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1135 (&ACPI_PROBE_TABLE_END(t) - \
1136 &ACPI_PROBE_TABLE(t))); \
1137 })
1138#else
1139static inline int acpi_dev_get_property(struct acpi_device *adev,
1140 const char *name, acpi_object_type type,
1141 const union acpi_object **obj)
1142{
1143 return -ENXIO;
1144}
1145
1146static inline int
1147__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1148 const char *name, size_t index, size_t num_args,
1149 struct fwnode_reference_args *args)
1150{
1151 return -ENXIO;
1152}
1153
1154static inline int
1155acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1156 const char *name, size_t index,
1157 struct fwnode_reference_args *args)
1158{
1159 return -ENXIO;
1160}
1161
1162static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1163 const char *propname,
1164 void **valptr)
1165{
1166 return -ENXIO;
1167}
1168
1169static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1170 const char *propname,
1171 void **valptr)
1172{
1173 return -ENXIO;
1174}
1175
1176static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1177 const char *propname,
1178 enum dev_prop_type proptype,
1179 void *val)
1180{
1181 return -ENXIO;
1182}
1183
1184static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1185 const char *propname,
1186 enum dev_prop_type proptype,
1187 void *val, size_t nval)
1188{
1189 return -ENXIO;
1190}
1191
1192static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1193 const char *propname,
1194 enum dev_prop_type proptype,
1195 void *val, size_t nval)
1196{
1197 return -ENXIO;
1198}
1199
1200static inline struct fwnode_handle *
1201acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1202 struct fwnode_handle *child)
1203{
1204 return NULL;
1205}
1206
1207static inline struct fwnode_handle *
1208acpi_node_get_parent(const struct fwnode_handle *fwnode)
1209{
1210 return NULL;
1211}
1212
1213static inline struct fwnode_handle *
1214acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1215 struct fwnode_handle *prev)
1216{
1217 return ERR_PTR(-ENXIO);
1218}
1219
1220static inline int
1221acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1222 struct fwnode_handle **remote,
1223 struct fwnode_handle **port,
1224 struct fwnode_handle **endpoint)
1225{
1226 return -ENXIO;
1227}
1228
1229#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1230 static const void * __acpi_table_##name[] \
1231 __attribute__((unused)) \
1232 = { (void *) table_id, \
1233 (void *) subtable, \
1234 (void *) valid, \
1235 (void *) fn, \
1236 (void *) data }
1237
1238#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1239#endif
1240
1241#ifdef CONFIG_ACPI_TABLE_UPGRADE
1242void acpi_table_upgrade(void);
1243#else
1244static inline void acpi_table_upgrade(void) { }
1245#endif
1246
1247#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1248extern bool acpi_has_watchdog(void);
1249#else
1250static inline bool acpi_has_watchdog(void) { return false; }
1251#endif
1252
1253#ifdef CONFIG_ACPI_SPCR_TABLE
1254extern bool qdf2400_e44_present;
1255int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1256#else
1257static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1258{
1259 return 0;
1260}
1261#endif
1262
1263#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1264int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1265#else
1266static inline
1267int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1268{
1269 return -EINVAL;
1270}
1271#endif
1272
1273#ifdef CONFIG_ACPI_LPIT
1274int lpit_read_residency_count_address(u64 *address);
1275#else
1276static inline int lpit_read_residency_count_address(u64 *address)
1277{
1278 return -EINVAL;
1279}
1280#endif
1281
1282#ifdef CONFIG_ACPI_PPTT
David Brazdil0f672f62019-12-10 10:32:29 +00001283int acpi_pptt_cpu_is_thread(unsigned int cpu);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001284int find_acpi_cpu_topology(unsigned int cpu, int level);
1285int find_acpi_cpu_topology_package(unsigned int cpu);
David Brazdil0f672f62019-12-10 10:32:29 +00001286int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001287int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1288#else
David Brazdil0f672f62019-12-10 10:32:29 +00001289static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1290{
1291 return -EINVAL;
1292}
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001293static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1294{
1295 return -EINVAL;
1296}
1297static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1298{
1299 return -EINVAL;
1300}
David Brazdil0f672f62019-12-10 10:32:29 +00001301static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1302{
1303 return -EINVAL;
1304}
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001305static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1306{
1307 return -EINVAL;
1308}
1309#endif
1310
David Brazdil0f672f62019-12-10 10:32:29 +00001311#ifdef CONFIG_ACPI
1312extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1313#else
1314static inline int
1315acpi_platform_notify(struct device *dev, enum kobject_action action)
1316{
1317 return 0;
1318}
1319#endif
1320
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001321#endif /*_LINUX_ACPI_H*/