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#include <linux/node.h>
19
20struct irq_domain;
21struct irq_domain_ops;
22
23#ifndef _LINUX
24#define _LINUX
25#endif
26#include <acpi/acpi.h>
27#include <acpi/acpi_numa.h>
28
29#ifdef CONFIG_ACPI
30
31#include <linux/list.h>
32#include <linux/dynamic_debug.h>
33#include <linux/module.h>
34#include <linux/mutex.h>
35#include <linux/fw_table.h>
36
37#include <acpi/acpi_bus.h>
38#include <acpi/acpi_drivers.h>
39#include <acpi/acpi_io.h>
40#include <asm/acpi.h>
41
42#ifdef CONFIG_ACPI_TABLE_LIB
43#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
44#define __init_or_acpilib
45#define __initdata_or_acpilib
46#else
47#define EXPORT_SYMBOL_ACPI_LIB(x)
48#define __init_or_acpilib __init
49#define __initdata_or_acpilib __initdata
50#endif
51
52static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53{
54 return adev ? adev->handle : NULL;
55}
56
57#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
58#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61#define ACPI_HANDLE_FWNODE(fwnode) \
62 acpi_device_handle(to_acpi_device_node(fwnode))
63
64static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
65{
66 struct fwnode_handle *fwnode;
67
68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
69 if (!fwnode)
70 return NULL;
71
72 fwnode_init(fwnode, &acpi_static_fwnode_ops);
73
74 return fwnode;
75}
76
77static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78{
79 if (WARN_ON(!is_acpi_static_node(fwnode)))
80 return;
81
82 kfree(fwnode);
83}
84
85static inline bool has_acpi_companion(struct device *dev)
86{
87 return is_acpi_device_node(dev->fwnode);
88}
89
90static inline void acpi_preset_companion(struct device *dev,
91 struct acpi_device *parent, u64 addr)
92{
93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
94}
95
96static inline const char *acpi_dev_name(struct acpi_device *adev)
97{
98 return dev_name(&adev->dev);
99}
100
101struct device *acpi_get_first_physical_node(struct acpi_device *adev);
102
103enum acpi_irq_model_id {
104 ACPI_IRQ_MODEL_PIC = 0,
105 ACPI_IRQ_MODEL_IOAPIC,
106 ACPI_IRQ_MODEL_IOSAPIC,
107 ACPI_IRQ_MODEL_PLATFORM,
108 ACPI_IRQ_MODEL_GIC,
109 ACPI_IRQ_MODEL_LPIC,
110 ACPI_IRQ_MODEL_COUNT
111};
112
113extern enum acpi_irq_model_id acpi_irq_model;
114
115enum acpi_interrupt_id {
116 ACPI_INTERRUPT_PMI = 1,
117 ACPI_INTERRUPT_INIT,
118 ACPI_INTERRUPT_CPEI,
119 ACPI_INTERRUPT_COUNT
120};
121
122#define ACPI_SPACE_MEM 0
123
124enum acpi_address_range_id {
125 ACPI_ADDRESS_RANGE_MEMORY = 1,
126 ACPI_ADDRESS_RANGE_RESERVED = 2,
127 ACPI_ADDRESS_RANGE_ACPI = 3,
128 ACPI_ADDRESS_RANGE_NVS = 4,
129 ACPI_ADDRESS_RANGE_COUNT
130};
131
132
133/* Table Handlers */
134typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
135
136/* Debugger support */
137
138struct acpi_debugger_ops {
139 int (*create_thread)(acpi_osd_exec_callback function, void *context);
140 ssize_t (*write_log)(const char *msg);
141 ssize_t (*read_cmd)(char *buffer, size_t length);
142 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
143 int (*notify_command_complete)(void);
144};
145
146struct acpi_debugger {
147 const struct acpi_debugger_ops *ops;
148 struct module *owner;
149 struct mutex lock;
150};
151
152#ifdef CONFIG_ACPI_DEBUGGER
153int __init acpi_debugger_init(void);
154int acpi_register_debugger(struct module *owner,
155 const struct acpi_debugger_ops *ops);
156void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
157int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
158ssize_t acpi_debugger_write_log(const char *msg);
159ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
160int acpi_debugger_wait_command_ready(void);
161int acpi_debugger_notify_command_complete(void);
162#else
163static inline int acpi_debugger_init(void)
164{
165 return -ENODEV;
166}
167
168static inline int acpi_register_debugger(struct module *owner,
169 const struct acpi_debugger_ops *ops)
170{
171 return -ENODEV;
172}
173
174static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
175{
176}
177
178static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
179 void *context)
180{
181 return -ENODEV;
182}
183
184static inline int acpi_debugger_write_log(const char *msg)
185{
186 return -ENODEV;
187}
188
189static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
190{
191 return -ENODEV;
192}
193
194static inline int acpi_debugger_wait_command_ready(void)
195{
196 return -ENODEV;
197}
198
199static inline int acpi_debugger_notify_command_complete(void)
200{
201 return -ENODEV;
202}
203#endif
204
205#define BAD_MADT_ENTRY(entry, end) ( \
206 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
207 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
208
209void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
210void __acpi_unmap_table(void __iomem *map, unsigned long size);
211int early_acpi_boot_init(void);
212int acpi_boot_init (void);
213void acpi_boot_table_prepare (void);
214void acpi_boot_table_init (void);
215int acpi_mps_check (void);
216int acpi_numa_init (void);
217
218int acpi_locate_initial_tables (void);
219void acpi_reserve_initial_tables (void);
220void acpi_table_init_complete (void);
221int acpi_table_init (void);
222
223int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
224int __init_or_acpilib acpi_table_parse_entries(char *id,
225 unsigned long table_size, int entry_id,
226 acpi_tbl_entry_handler handler, unsigned int max_entries);
227int __init_or_acpilib acpi_table_parse_entries_array(char *id,
228 unsigned long table_size, struct acpi_subtable_proc *proc,
229 int proc_num, unsigned int max_entries);
230int acpi_table_parse_madt(enum acpi_madt_type id,
231 acpi_tbl_entry_handler handler,
232 unsigned int max_entries);
233int __init_or_acpilib
234acpi_table_parse_cedt(enum acpi_cedt_type id,
235 acpi_tbl_entry_handler_arg handler_arg, void *arg);
236
237int acpi_parse_mcfg (struct acpi_table_header *header);
238void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
239
240#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
241void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
242#else
243static inline void
244acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
245#endif
246
247void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
248
249#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
250void acpi_arch_dma_setup(struct device *dev);
251#else
252static inline void acpi_arch_dma_setup(struct device *dev) { }
253#endif
254
255#ifdef CONFIG_ARM64
256void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
257#else
258static inline void
259acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
260#endif
261
262#ifdef CONFIG_RISCV
263void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
264#else
265static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
266#endif
267
268#ifndef PHYS_CPUID_INVALID
269typedef u32 phys_cpuid_t;
270#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
271#endif
272
273static inline bool invalid_logical_cpuid(u32 cpuid)
274{
275 return (int)cpuid < 0;
276}
277
278static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
279{
280 return phys_id == PHYS_CPUID_INVALID;
281}
282
283
284int __init acpi_get_madt_revision(void);
285
286/* Validate the processor object's proc_id */
287bool acpi_duplicate_processor_id(int proc_id);
288/* Processor _CTS control */
289struct acpi_processor_power;
290
291#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
292bool acpi_processor_claim_cst_control(void);
293int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
294 struct acpi_processor_power *info);
295#else
296static inline bool acpi_processor_claim_cst_control(void) { return false; }
297static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
298 struct acpi_processor_power *info)
299{
300 return -ENODEV;
301}
302#endif
303
304#ifdef CONFIG_ACPI_HOTPLUG_CPU
305/* Arch dependent functions for cpu hotplug support */
306int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
307 int *pcpu);
308int acpi_unmap_cpu(int cpu);
309#endif /* CONFIG_ACPI_HOTPLUG_CPU */
310
311acpi_handle acpi_get_processor_handle(int cpu);
312
313#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
314int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
315#endif
316
317int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
318int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
319int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
320void acpi_irq_stats_init(void);
321extern u32 acpi_irq_handled;
322extern u32 acpi_irq_not_handled;
323extern unsigned int acpi_sci_irq;
324extern bool acpi_no_s5;
325#define INVALID_ACPI_IRQ ((unsigned)-1)
326static inline bool acpi_sci_irq_valid(void)
327{
328 return acpi_sci_irq != INVALID_ACPI_IRQ;
329}
330
331extern int sbf_port;
332extern unsigned long acpi_realmode_flags;
333
334int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
335int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
336int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
337
338void acpi_set_irq_model(enum acpi_irq_model_id model,
339 struct fwnode_handle *(*)(u32));
340void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
341
342struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
343 unsigned int size,
344 struct fwnode_handle *fwnode,
345 const struct irq_domain_ops *ops,
346 void *host_data);
347
348#ifdef CONFIG_X86_IO_APIC
349extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
350#else
351static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
352{
353 return -1;
354}
355#endif
356/*
357 * This function undoes the effect of one call to acpi_register_gsi().
358 * If this matches the last registration, any IRQ resources for gsi
359 * are freed.
360 */
361void acpi_unregister_gsi (u32 gsi);
362
363struct pci_dev;
364
365int acpi_pci_irq_enable (struct pci_dev *dev);
366void acpi_penalize_isa_irq(int irq, int active);
367bool acpi_isa_irq_available(int irq);
368#ifdef CONFIG_PCI
369void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
370#else
371static inline void acpi_penalize_sci_irq(int irq, int trigger,
372 int polarity)
373{
374}
375#endif
376void acpi_pci_irq_disable (struct pci_dev *dev);
377
378extern int ec_read(u8 addr, u8 *val);
379extern int ec_write(u8 addr, u8 val);
380extern int ec_transaction(u8 command,
381 const u8 *wdata, unsigned wdata_len,
382 u8 *rdata, unsigned rdata_len);
383extern acpi_handle ec_get_handle(void);
384
385extern bool acpi_is_pnp_device(struct acpi_device *);
386
387#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
388
389typedef void (*wmi_notify_handler) (u32 value, void *context);
390
391int wmi_instance_count(const char *guid);
392
393extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
394 u32 method_id,
395 const struct acpi_buffer *in,
396 struct acpi_buffer *out);
397extern acpi_status wmi_query_block(const char *guid, u8 instance,
398 struct acpi_buffer *out);
399extern acpi_status wmi_set_block(const char *guid, u8 instance,
400 const struct acpi_buffer *in);
401extern acpi_status wmi_install_notify_handler(const char *guid,
402 wmi_notify_handler handler, void *data);
403extern acpi_status wmi_remove_notify_handler(const char *guid);
404extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
405extern bool wmi_has_guid(const char *guid);
406extern char *wmi_get_acpi_device_uid(const char *guid);
407
408#endif /* CONFIG_ACPI_WMI */
409
410#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
411#define ACPI_VIDEO_DEVICE_POSTING 0x0002
412#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
413#define ACPI_VIDEO_BACKLIGHT 0x0008
414#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
415#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
416#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
417#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
418#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
419#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
420#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
421#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
422
423extern char acpi_video_backlight_string[];
424extern long acpi_is_video_device(acpi_handle handle);
425
426extern void acpi_osi_setup(char *str);
427extern bool acpi_osi_is_win8(void);
428
429#ifdef CONFIG_ACPI_THERMAL_LIB
430int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
431int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
432int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
433int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
434#endif
435
436#ifdef CONFIG_ACPI_HMAT
437int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
438#else
439static inline int acpi_get_genport_coordinates(u32 uid,
440 struct access_coordinate *coord)
441{
442 return -EOPNOTSUPP;
443}
444#endif
445
446#ifdef CONFIG_ACPI_NUMA
447int acpi_map_pxm_to_node(int pxm);
448int acpi_get_node(acpi_handle handle);
449
450/**
451 * pxm_to_online_node - Map proximity ID to online node
452 * @pxm: ACPI proximity ID
453 *
454 * This is similar to pxm_to_node(), but always returns an online
455 * node. When the mapped node from a given proximity ID is offline, it
456 * looks up the node distance table and returns the nearest online node.
457 *
458 * ACPI device drivers, which are called after the NUMA initialization has
459 * completed in the kernel, can call this interface to obtain their device
460 * NUMA topology from ACPI tables. Such drivers do not have to deal with
461 * offline nodes. A node may be offline when SRAT memory entry does not exist,
462 * or NUMA is disabled, ex. "numa=off" on x86.
463 */
464static inline int pxm_to_online_node(int pxm)
465{
466 int node = pxm_to_node(pxm);
467
468 return numa_map_to_online_node(node);
469}
470#else
471static inline int pxm_to_online_node(int pxm)
472{
473 return 0;
474}
475static inline int acpi_map_pxm_to_node(int pxm)
476{
477 return 0;
478}
479static inline int acpi_get_node(acpi_handle handle)
480{
481 return 0;
482}
483#endif
484extern int pnpacpi_disabled;
485
486#define PXM_INVAL (-1)
487
488bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
489bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
490bool acpi_dev_resource_address_space(struct acpi_resource *ares,
491 struct resource_win *win);
492bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
493 struct resource_win *win);
494unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
495unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
496bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
497 struct resource *res);
498
499void acpi_dev_free_resource_list(struct list_head *list);
500int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
501 int (*preproc)(struct acpi_resource *, void *),
502 void *preproc_data);
503int acpi_dev_get_dma_resources(struct acpi_device *adev,
504 struct list_head *list);
505int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
506int acpi_dev_filter_resource_type(struct acpi_resource *ares,
507 unsigned long types);
508
509static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
510 void *arg)
511{
512 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
513}
514
515struct acpi_device *acpi_resource_consumer(struct resource *res);
516
517int acpi_check_resource_conflict(const struct resource *res);
518
519int acpi_check_region(resource_size_t start, resource_size_t n,
520 const char *name);
521
522int acpi_resources_are_enforced(void);
523
524#ifdef CONFIG_HIBERNATION
525extern int acpi_check_s4_hw_signature;
526#endif
527
528#ifdef CONFIG_PM_SLEEP
529void __init acpi_old_suspend_ordering(void);
530void __init acpi_nvs_nosave(void);
531void __init acpi_nvs_nosave_s3(void);
532void __init acpi_sleep_no_blacklist(void);
533#endif /* CONFIG_PM_SLEEP */
534
535int acpi_register_wakeup_handler(
536 int wake_irq, bool (*wakeup)(void *context), void *context);
537void acpi_unregister_wakeup_handler(
538 bool (*wakeup)(void *context), void *context);
539
540struct acpi_osc_context {
541 char *uuid_str; /* UUID string */
542 int rev;
543 struct acpi_buffer cap; /* list of DWORD capabilities */
544 struct acpi_buffer ret; /* free by caller if success */
545};
546
547acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
548
549/* Number of _OSC capability DWORDS depends on bridge type */
550#define OSC_PCI_CAPABILITY_DWORDS 3
551#define OSC_CXL_CAPABILITY_DWORDS 5
552
553/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
554#define OSC_QUERY_DWORD 0 /* DWORD 1 */
555#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
556#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
557#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
558#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
559
560/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
561#define OSC_QUERY_ENABLE 0x00000001 /* input */
562#define OSC_REQUEST_ERROR 0x00000002 /* return */
563#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
564#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
565#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
566
567/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
568#define OSC_SB_PAD_SUPPORT 0x00000001
569#define OSC_SB_PPC_OST_SUPPORT 0x00000002
570#define OSC_SB_PR3_SUPPORT 0x00000004
571#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
572#define OSC_SB_APEI_SUPPORT 0x00000010
573#define OSC_SB_CPC_SUPPORT 0x00000020
574#define OSC_SB_CPCV2_SUPPORT 0x00000040
575#define OSC_SB_PCLPI_SUPPORT 0x00000080
576#define OSC_SB_OSLPI_SUPPORT 0x00000100
577#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
578#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
579#define OSC_SB_GED_SUPPORT 0x00000800
580#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
581#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
582#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
583#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
584#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
585#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
586#define OSC_SB_PRM_SUPPORT 0x00200000
587#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
588
589extern bool osc_sb_apei_support_acked;
590extern bool osc_pc_lpi_support_confirmed;
591extern bool osc_sb_native_usb4_support_confirmed;
592extern bool osc_sb_cppc2_support_acked;
593extern bool osc_cpc_flexible_adr_space_confirmed;
594
595/* USB4 Capabilities */
596#define OSC_USB_USB3_TUNNELING 0x00000001
597#define OSC_USB_DP_TUNNELING 0x00000002
598#define OSC_USB_PCIE_TUNNELING 0x00000004
599#define OSC_USB_XDOMAIN 0x00000008
600
601extern u32 osc_sb_native_usb4_control;
602
603/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
604#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
605#define OSC_PCI_ASPM_SUPPORT 0x00000002
606#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
607#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
608#define OSC_PCI_MSI_SUPPORT 0x00000010
609#define OSC_PCI_EDR_SUPPORT 0x00000080
610#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
611
612/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
613#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
614#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
615#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
616#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
617#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
618#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
619#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
620
621/* CXL _OSC: Capabilities DWORD 4: Support Field */
622#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
623#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
624#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
625#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
626
627/* CXL _OSC: Capabilities DWORD 5: Control Field */
628#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
629
630static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
631{
632 u32 *ret = context->ret.pointer;
633
634 return ret[OSC_CONTROL_DWORD];
635}
636
637static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
638{
639 u32 *ret = context->ret.pointer;
640
641 return ret[OSC_EXT_CONTROL_DWORD];
642}
643
644#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
645#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
646#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
647#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
648#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
649#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
650#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
651#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
652#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
653#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
654
655/* Enable _OST when all relevant hotplug operations are enabled */
656#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
657 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
658 defined(CONFIG_ACPI_CONTAINER)
659#define ACPI_HOTPLUG_OST
660#endif
661
662/* _OST Source Event Code (OSPM Action) */
663#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
664#define ACPI_OST_EC_OSPM_EJECT 0x103
665#define ACPI_OST_EC_OSPM_INSERTION 0x200
666
667/* _OST General Processing Status Code */
668#define ACPI_OST_SC_SUCCESS 0x0
669#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
670#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
671
672/* _OST OS Shutdown Processing (0x100) Status Code */
673#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
674#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
675#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
676#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
677
678/* _OST Ejection Request (0x3, 0x103) Status Code */
679#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
680#define ACPI_OST_SC_DEVICE_IN_USE 0x81
681#define ACPI_OST_SC_DEVICE_BUSY 0x82
682#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
683#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
684
685/* _OST Insertion Request (0x200) Status Code */
686#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
687#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
688#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
689
690enum acpi_predicate {
691 all_versions,
692 less_than_or_equal,
693 equal,
694 greater_than_or_equal,
695};
696
697/* Table must be terminted by a NULL entry */
698struct acpi_platform_list {
699 char oem_id[ACPI_OEM_ID_SIZE+1];
700 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
701 u32 oem_revision;
702 char *table;
703 enum acpi_predicate pred;
704 char *reason;
705 u32 data;
706};
707int acpi_match_platform_list(const struct acpi_platform_list *plat);
708
709extern void acpi_early_init(void);
710extern void acpi_subsystem_init(void);
711
712extern int acpi_nvs_register(__u64 start, __u64 size);
713
714extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
715 void *data);
716
717const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
718 const struct acpi_device *adev);
719
720const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
721 const struct device *dev);
722
723const void *acpi_device_get_match_data(const struct device *dev);
724extern bool acpi_driver_match_device(struct device *dev,
725 const struct device_driver *drv);
726int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
727int acpi_device_modalias(struct device *, char *, int);
728
729struct platform_device *acpi_create_platform_device(struct acpi_device *,
730 const struct property_entry *);
731#define ACPI_PTR(_ptr) (_ptr)
732
733static inline void acpi_device_set_enumerated(struct acpi_device *adev)
734{
735 adev->flags.visited = true;
736}
737
738static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
739{
740 adev->flags.visited = false;
741}
742
743enum acpi_reconfig_event {
744 ACPI_RECONFIG_DEVICE_ADD = 0,
745 ACPI_RECONFIG_DEVICE_REMOVE,
746};
747
748int acpi_reconfig_notifier_register(struct notifier_block *nb);
749int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
750
751#ifdef CONFIG_ACPI_GTDT
752int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
753int acpi_gtdt_map_ppi(int type);
754bool acpi_gtdt_c3stop(int type);
755int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
756#endif
757
758#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
759static inline void acpi_arch_set_root_pointer(u64 addr)
760{
761}
762#endif
763
764#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
765static inline u64 acpi_arch_get_root_pointer(void)
766{
767 return 0;
768}
769#endif
770
771int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
772int acpi_get_local_address(acpi_handle handle, u32 *addr);
773const char *acpi_get_subsystem_id(acpi_handle handle);
774
775#else /* !CONFIG_ACPI */
776
777#define acpi_disabled 1
778
779#define ACPI_COMPANION(dev) (NULL)
780#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
781#define ACPI_HANDLE(dev) (NULL)
782#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
783
784/* Get rid of the -Wunused-variable for adev */
785#define acpi_dev_uid_match(adev, uid2) (adev && false)
786#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
787
788struct fwnode_handle;
789
790static inline bool acpi_dev_found(const char *hid)
791{
792 return false;
793}
794
795static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
796{
797 return false;
798}
799
800struct acpi_device;
801
802static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
803{
804 return -ENODEV;
805}
806
807static inline struct acpi_device *
808acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
809{
810 return NULL;
811}
812
813static inline bool acpi_reduced_hardware(void)
814{
815 return false;
816}
817
818static inline void acpi_dev_put(struct acpi_device *adev) {}
819
820static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
821{
822 return false;
823}
824
825static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
826{
827 return false;
828}
829
830static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
831{
832 return NULL;
833}
834
835static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
836{
837 return false;
838}
839
840static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
841{
842 return NULL;
843}
844
845static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
846 const char *name)
847{
848 return false;
849}
850
851static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
852{
853 return NULL;
854}
855
856static inline bool has_acpi_companion(struct device *dev)
857{
858 return false;
859}
860
861static inline void acpi_preset_companion(struct device *dev,
862 struct acpi_device *parent, u64 addr)
863{
864}
865
866static inline const char *acpi_dev_name(struct acpi_device *adev)
867{
868 return NULL;
869}
870
871static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
872{
873 return NULL;
874}
875
876static inline void acpi_early_init(void) { }
877static inline void acpi_subsystem_init(void) { }
878
879static inline int early_acpi_boot_init(void)
880{
881 return 0;
882}
883static inline int acpi_boot_init(void)
884{
885 return 0;
886}
887
888static inline void acpi_boot_table_prepare(void)
889{
890}
891
892static inline void acpi_boot_table_init(void)
893{
894}
895
896static inline int acpi_mps_check(void)
897{
898 return 0;
899}
900
901static inline int acpi_check_resource_conflict(struct resource *res)
902{
903 return 0;
904}
905
906static inline int acpi_check_region(resource_size_t start, resource_size_t n,
907 const char *name)
908{
909 return 0;
910}
911
912struct acpi_table_header;
913static inline int acpi_table_parse(char *id,
914 int (*handler)(struct acpi_table_header *))
915{
916 return -ENODEV;
917}
918
919static inline int acpi_nvs_register(__u64 start, __u64 size)
920{
921 return 0;
922}
923
924static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
925 void *data)
926{
927 return 0;
928}
929
930struct acpi_device_id;
931
932static inline const struct acpi_device_id *acpi_match_acpi_device(
933 const struct acpi_device_id *ids, const struct acpi_device *adev)
934{
935 return NULL;
936}
937
938static inline const struct acpi_device_id *acpi_match_device(
939 const struct acpi_device_id *ids, const struct device *dev)
940{
941 return NULL;
942}
943
944static inline const void *acpi_device_get_match_data(const struct device *dev)
945{
946 return NULL;
947}
948
949static inline bool acpi_driver_match_device(struct device *dev,
950 const struct device_driver *drv)
951{
952 return false;
953}
954
955static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
956 u64 rev, u64 funcs)
957{
958 return false;
959}
960
961static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
962 const guid_t *guid,
963 u64 rev, u64 func,
964 union acpi_object *argv4)
965{
966 return NULL;
967}
968
969static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
970 const guid_t *guid,
971 u64 rev, u64 func,
972 union acpi_object *argv4,
973 acpi_object_type type)
974{
975 return NULL;
976}
977
978static inline int acpi_device_uevent_modalias(const struct device *dev,
979 struct kobj_uevent_env *env)
980{
981 return -ENODEV;
982}
983
984static inline int acpi_device_modalias(struct device *dev,
985 char *buf, int size)
986{
987 return -ENODEV;
988}
989
990static inline struct platform_device *
991acpi_create_platform_device(struct acpi_device *adev,
992 const struct property_entry *properties)
993{
994 return NULL;
995}
996
997static inline bool acpi_dma_supported(const struct acpi_device *adev)
998{
999 return false;
1000}
1001
1002static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1003{
1004 return DEV_DMA_NOT_SUPPORTED;
1005}
1006
1007static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1008{
1009 return -ENODEV;
1010}
1011
1012static inline int acpi_dma_configure(struct device *dev,
1013 enum dev_dma_attr attr)
1014{
1015 return 0;
1016}
1017
1018static inline int acpi_dma_configure_id(struct device *dev,
1019 enum dev_dma_attr attr,
1020 const u32 *input_id)
1021{
1022 return 0;
1023}
1024
1025#define ACPI_PTR(_ptr) (NULL)
1026
1027static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1028{
1029}
1030
1031static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1032{
1033}
1034
1035static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1036{
1037 return -EINVAL;
1038}
1039
1040static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1041{
1042 return -EINVAL;
1043}
1044
1045static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1046{
1047 return NULL;
1048}
1049
1050static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1051{
1052 return -ENODEV;
1053}
1054
1055static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1056{
1057 return ERR_PTR(-ENODEV);
1058}
1059
1060static inline int acpi_register_wakeup_handler(int wake_irq,
1061 bool (*wakeup)(void *context), void *context)
1062{
1063 return -ENXIO;
1064}
1065
1066static inline void acpi_unregister_wakeup_handler(
1067 bool (*wakeup)(void *context), void *context) { }
1068
1069struct acpi_osc_context;
1070static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1071{
1072 return 0;
1073}
1074
1075static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1076{
1077 return 0;
1078}
1079
1080static inline bool acpi_sleep_state_supported(u8 sleep_state)
1081{
1082 return false;
1083}
1084
1085static inline acpi_handle acpi_get_processor_handle(int cpu)
1086{
1087 return NULL;
1088}
1089
1090#endif /* !CONFIG_ACPI */
1091
1092extern void arch_post_acpi_subsys_init(void);
1093
1094#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1095int acpi_ioapic_add(acpi_handle root);
1096#else
1097static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1098#endif
1099
1100#ifdef CONFIG_ACPI
1101void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1102 u32 pm1a_ctrl, u32 pm1b_ctrl));
1103
1104acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1105 u32 pm1a_control, u32 pm1b_control);
1106
1107void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1108 u32 val_a, u32 val_b));
1109
1110acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1111 u32 val_a, u32 val_b);
1112#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1113struct acpi_s2idle_dev_ops {
1114 struct list_head list_node;
1115 void (*prepare)(void);
1116 void (*check)(void);
1117 void (*restore)(void);
1118};
1119int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1120void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1121int acpi_get_lps0_constraint(struct acpi_device *adev);
1122#else /* CONFIG_SUSPEND && CONFIG_X86 */
1123static inline int acpi_get_lps0_constraint(struct device *dev)
1124{
1125 return ACPI_STATE_UNKNOWN;
1126}
1127#endif /* CONFIG_SUSPEND && CONFIG_X86 */
1128void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1129#else
1130#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1131#endif
1132
1133#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1134int acpi_dev_suspend(struct device *dev, bool wakeup);
1135int acpi_dev_resume(struct device *dev);
1136int acpi_subsys_runtime_suspend(struct device *dev);
1137int acpi_subsys_runtime_resume(struct device *dev);
1138int acpi_dev_pm_attach(struct device *dev, bool power_on);
1139bool acpi_storage_d3(struct device *dev);
1140bool acpi_dev_state_d0(struct device *dev);
1141#else
1142static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1143static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1144static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1145{
1146 return 0;
1147}
1148static inline bool acpi_storage_d3(struct device *dev)
1149{
1150 return false;
1151}
1152static inline bool acpi_dev_state_d0(struct device *dev)
1153{
1154 return true;
1155}
1156#endif
1157
1158#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1159int acpi_subsys_prepare(struct device *dev);
1160void acpi_subsys_complete(struct device *dev);
1161int acpi_subsys_suspend_late(struct device *dev);
1162int acpi_subsys_suspend_noirq(struct device *dev);
1163int acpi_subsys_suspend(struct device *dev);
1164int acpi_subsys_freeze(struct device *dev);
1165int acpi_subsys_poweroff(struct device *dev);
1166void acpi_ec_mark_gpe_for_wake(void);
1167void acpi_ec_set_gpe_wake_mask(u8 action);
1168int acpi_subsys_restore_early(struct device *dev);
1169#else
1170static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1171static inline void acpi_subsys_complete(struct device *dev) {}
1172static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1173static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1174static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1175static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1176static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1177static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1178static inline void acpi_ec_mark_gpe_for_wake(void) {}
1179static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1180#endif
1181
1182#ifdef CONFIG_ACPI
1183char *acpi_handle_path(acpi_handle handle);
1184__printf(3, 4)
1185void acpi_handle_printk(const char *level, acpi_handle handle,
1186 const char *fmt, ...);
1187void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1188 acpi_status status);
1189#else /* !CONFIG_ACPI */
1190static inline __printf(3, 4) void
1191acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1192static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1193 const char *name,
1194 acpi_status status) {}
1195#endif /* !CONFIG_ACPI */
1196
1197#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1198__printf(3, 4)
1199void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1200#endif
1201
1202/*
1203 * acpi_handle_<level>: Print message with ACPI prefix and object path
1204 *
1205 * These interfaces acquire the global namespace mutex to obtain an object
1206 * path. In interrupt context, it shows the object path as <n/a>.
1207 */
1208#define acpi_handle_emerg(handle, fmt, ...) \
1209 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1210#define acpi_handle_alert(handle, fmt, ...) \
1211 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1212#define acpi_handle_crit(handle, fmt, ...) \
1213 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1214#define acpi_handle_err(handle, fmt, ...) \
1215 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1216#define acpi_handle_warn(handle, fmt, ...) \
1217 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1218#define acpi_handle_notice(handle, fmt, ...) \
1219 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1220#define acpi_handle_info(handle, fmt, ...) \
1221 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1222
1223#if defined(DEBUG)
1224#define acpi_handle_debug(handle, fmt, ...) \
1225 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1226#else
1227#if defined(CONFIG_DYNAMIC_DEBUG)
1228#define acpi_handle_debug(handle, fmt, ...) \
1229 _dynamic_func_call(fmt, __acpi_handle_debug, \
1230 handle, pr_fmt(fmt), ##__VA_ARGS__)
1231#else
1232#define acpi_handle_debug(handle, fmt, ...) \
1233({ \
1234 if (0) \
1235 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1236 0; \
1237})
1238#endif
1239#endif
1240
1241#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1242bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1243 struct acpi_resource_gpio **agpio);
1244bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1245 struct acpi_resource_gpio **agpio);
1246int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1247 bool *wake_capable);
1248#else
1249static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1250 struct acpi_resource_gpio **agpio)
1251{
1252 return false;
1253}
1254static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1255 struct acpi_resource_gpio **agpio)
1256{
1257 return false;
1258}
1259static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1260 int index, bool *wake_capable)
1261{
1262 return -ENXIO;
1263}
1264#endif
1265
1266static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1267 bool *wake_capable)
1268{
1269 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1270}
1271
1272static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1273 int index)
1274{
1275 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1276}
1277
1278static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1279{
1280 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1281}
1282
1283/* Device properties */
1284
1285#ifdef CONFIG_ACPI
1286int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1287 acpi_object_type type, const union acpi_object **obj);
1288int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1289 const char *name, size_t index, size_t num_args,
1290 struct fwnode_reference_args *args);
1291
1292static inline int acpi_node_get_property_reference(
1293 const struct fwnode_handle *fwnode,
1294 const char *name, size_t index,
1295 struct fwnode_reference_args *args)
1296{
1297 return __acpi_node_get_property_reference(fwnode, name, index,
1298 NR_FWNODE_REFERENCE_ARGS, args);
1299}
1300
1301static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1302{
1303 return !list_empty(&adev->data.properties);
1304}
1305
1306struct acpi_device_properties *
1307acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1308 union acpi_object *properties);
1309
1310int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1311 void **valptr);
1312
1313struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1314 struct fwnode_handle *child);
1315
1316struct acpi_probe_entry;
1317typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1318 struct acpi_probe_entry *);
1319
1320#define ACPI_TABLE_ID_LEN 5
1321
1322/**
1323 * struct acpi_probe_entry - boot-time probing entry
1324 * @id: ACPI table name
1325 * @type: Optional subtable type to match
1326 * (if @id contains subtables)
1327 * @subtable_valid: Optional callback to check the validity of
1328 * the subtable
1329 * @probe_table: Callback to the driver being probed when table
1330 * match is successful
1331 * @probe_subtbl: Callback to the driver being probed when table and
1332 * subtable match (and optional callback is successful)
1333 * @driver_data: Sideband data provided back to the driver
1334 */
1335struct acpi_probe_entry {
1336 __u8 id[ACPI_TABLE_ID_LEN];
1337 __u8 type;
1338 acpi_probe_entry_validate_subtbl subtable_valid;
1339 union {
1340 acpi_tbl_table_handler probe_table;
1341 acpi_tbl_entry_handler probe_subtbl;
1342 };
1343 kernel_ulong_t driver_data;
1344};
1345
1346#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1347 valid, data, fn) \
1348 static const struct acpi_probe_entry __acpi_probe_##name \
1349 __used __section("__" #table "_acpi_probe_table") = { \
1350 .id = table_id, \
1351 .type = subtable, \
1352 .subtable_valid = valid, \
1353 .probe_table = fn, \
1354 .driver_data = data, \
1355 }
1356
1357#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1358 subtable, valid, data, fn) \
1359 static const struct acpi_probe_entry __acpi_probe_##name \
1360 __used __section("__" #table "_acpi_probe_table") = { \
1361 .id = table_id, \
1362 .type = subtable, \
1363 .subtable_valid = valid, \
1364 .probe_subtbl = fn, \
1365 .driver_data = data, \
1366 }
1367
1368#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1369#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1370
1371int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1372
1373#define acpi_probe_device_table(t) \
1374 ({ \
1375 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1376 ACPI_PROBE_TABLE_END(t); \
1377 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1378 (&ACPI_PROBE_TABLE_END(t) - \
1379 &ACPI_PROBE_TABLE(t))); \
1380 })
1381#else
1382static inline int acpi_dev_get_property(struct acpi_device *adev,
1383 const char *name, acpi_object_type type,
1384 const union acpi_object **obj)
1385{
1386 return -ENXIO;
1387}
1388
1389static inline int
1390__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1391 const char *name, size_t index, size_t num_args,
1392 struct fwnode_reference_args *args)
1393{
1394 return -ENXIO;
1395}
1396
1397static inline int
1398acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1399 const char *name, size_t index,
1400 struct fwnode_reference_args *args)
1401{
1402 return -ENXIO;
1403}
1404
1405static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1406 const char *propname,
1407 void **valptr)
1408{
1409 return -ENXIO;
1410}
1411
1412static inline struct fwnode_handle *
1413acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1414 struct fwnode_handle *child)
1415{
1416 return NULL;
1417}
1418
1419static inline struct fwnode_handle *
1420acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1421 struct fwnode_handle *prev)
1422{
1423 return ERR_PTR(-ENXIO);
1424}
1425
1426static inline int
1427acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1428 struct fwnode_handle **remote,
1429 struct fwnode_handle **port,
1430 struct fwnode_handle **endpoint)
1431{
1432 return -ENXIO;
1433}
1434
1435#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1436 static const void * __acpi_table_##name[] \
1437 __attribute__((unused)) \
1438 = { (void *) table_id, \
1439 (void *) subtable, \
1440 (void *) valid, \
1441 (void *) fn, \
1442 (void *) data }
1443
1444#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1445#endif
1446
1447#ifdef CONFIG_ACPI_TABLE_UPGRADE
1448void acpi_table_upgrade(void);
1449#else
1450static inline void acpi_table_upgrade(void) { }
1451#endif
1452
1453#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1454extern bool acpi_has_watchdog(void);
1455#else
1456static inline bool acpi_has_watchdog(void) { return false; }
1457#endif
1458
1459#ifdef CONFIG_ACPI_SPCR_TABLE
1460extern bool qdf2400_e44_present;
1461int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1462#else
1463static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1464{
1465 return 0;
1466}
1467#endif
1468
1469#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1470int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1471#else
1472static inline
1473int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1474{
1475 return -EINVAL;
1476}
1477#endif
1478
1479#ifdef CONFIG_ACPI_LPIT
1480int lpit_read_residency_count_address(u64 *address);
1481#else
1482static inline int lpit_read_residency_count_address(u64 *address)
1483{
1484 return -EINVAL;
1485}
1486#endif
1487
1488#ifdef CONFIG_ACPI_PROCESSOR_IDLE
1489#ifndef arch_get_idle_state_flags
1490static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1491{
1492 return 0;
1493}
1494#endif
1495#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1496
1497#ifdef CONFIG_ACPI_PPTT
1498int acpi_pptt_cpu_is_thread(unsigned int cpu);
1499int find_acpi_cpu_topology(unsigned int cpu, int level);
1500int find_acpi_cpu_topology_cluster(unsigned int cpu);
1501int find_acpi_cpu_topology_package(unsigned int cpu);
1502int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1503#else
1504static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1505{
1506 return -EINVAL;
1507}
1508static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1509{
1510 return -EINVAL;
1511}
1512static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1513{
1514 return -EINVAL;
1515}
1516static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1517{
1518 return -EINVAL;
1519}
1520static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1521{
1522 return -EINVAL;
1523}
1524#endif
1525
1526#ifdef CONFIG_ARM64
1527void acpi_arm_init(void);
1528#else
1529static inline void acpi_arm_init(void) { }
1530#endif
1531
1532#ifdef CONFIG_ACPI_PCC
1533void acpi_init_pcc(void);
1534#else
1535static inline void acpi_init_pcc(void) { }
1536#endif
1537
1538#ifdef CONFIG_ACPI_FFH
1539void acpi_init_ffh(void);
1540extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1541 void **region_ctxt);
1542extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1543 void *region_context);
1544#else
1545static inline void acpi_init_ffh(void) { }
1546#endif
1547
1548#ifdef CONFIG_ACPI
1549extern void acpi_device_notify(struct device *dev);
1550extern void acpi_device_notify_remove(struct device *dev);
1551#else
1552static inline void acpi_device_notify(struct device *dev) { }
1553static inline void acpi_device_notify_remove(struct device *dev) { }
1554#endif
1555
1556static inline void acpi_use_parent_companion(struct device *dev)
1557{
1558 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1559}
1560
1561#ifdef CONFIG_ACPI_HMAT
1562int hmat_update_target_coordinates(int nid, struct access_coordinate *coord,
1563 enum access_coordinate_class access);
1564#else
1565static inline int hmat_update_target_coordinates(int nid,
1566 struct access_coordinate *coord,
1567 enum access_coordinate_class access)
1568{
1569 return -EOPNOTSUPP;
1570}
1571#endif
1572
1573#ifdef CONFIG_ACPI_NUMA
1574bool acpi_node_backed_by_real_pxm(int nid);
1575#else
1576static inline bool acpi_node_backed_by_real_pxm(int nid)
1577{
1578 return false;
1579}
1580#endif
1581
1582#endif /*_LINUX_ACPI_H*/