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/irqdomain.h>
14#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_init(fwnode, &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{
92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
93}
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_LPIC,
109 ACPI_IRQ_MODEL_COUNT
110};
111
112extern enum acpi_irq_model_id acpi_irq_model;
113
114enum acpi_interrupt_id {
115 ACPI_INTERRUPT_PMI = 1,
116 ACPI_INTERRUPT_INIT,
117 ACPI_INTERRUPT_CPEI,
118 ACPI_INTERRUPT_COUNT
119};
120
121#define ACPI_SPACE_MEM 0
122
123enum acpi_address_range_id {
124 ACPI_ADDRESS_RANGE_MEMORY = 1,
125 ACPI_ADDRESS_RANGE_RESERVED = 2,
126 ACPI_ADDRESS_RANGE_ACPI = 3,
127 ACPI_ADDRESS_RANGE_NVS = 4,
128 ACPI_ADDRESS_RANGE_COUNT
129};
130
131
132/* Table Handlers */
133union acpi_subtable_headers {
134 struct acpi_subtable_header common;
135 struct acpi_hmat_structure hmat;
136 struct acpi_prmt_module_header prmt;
137 struct acpi_cedt_header cedt;
138};
139
140typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
141
142typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
143 const unsigned long end);
144
145typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
146 void *arg, const unsigned long end);
147
148/* Debugger support */
149
150struct acpi_debugger_ops {
151 int (*create_thread)(acpi_osd_exec_callback function, void *context);
152 ssize_t (*write_log)(const char *msg);
153 ssize_t (*read_cmd)(char *buffer, size_t length);
154 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
155 int (*notify_command_complete)(void);
156};
157
158struct acpi_debugger {
159 const struct acpi_debugger_ops *ops;
160 struct module *owner;
161 struct mutex lock;
162};
163
164#ifdef CONFIG_ACPI_DEBUGGER
165int __init acpi_debugger_init(void);
166int acpi_register_debugger(struct module *owner,
167 const struct acpi_debugger_ops *ops);
168void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
169int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
170ssize_t acpi_debugger_write_log(const char *msg);
171ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
172int acpi_debugger_wait_command_ready(void);
173int acpi_debugger_notify_command_complete(void);
174#else
175static inline int acpi_debugger_init(void)
176{
177 return -ENODEV;
178}
179
180static inline int acpi_register_debugger(struct module *owner,
181 const struct acpi_debugger_ops *ops)
182{
183 return -ENODEV;
184}
185
186static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
187{
188}
189
190static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
191 void *context)
192{
193 return -ENODEV;
194}
195
196static inline int acpi_debugger_write_log(const char *msg)
197{
198 return -ENODEV;
199}
200
201static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
202{
203 return -ENODEV;
204}
205
206static inline int acpi_debugger_wait_command_ready(void)
207{
208 return -ENODEV;
209}
210
211static inline int acpi_debugger_notify_command_complete(void)
212{
213 return -ENODEV;
214}
215#endif
216
217#define BAD_MADT_ENTRY(entry, end) ( \
218 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
219 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
220
221struct acpi_subtable_proc {
222 int id;
223 acpi_tbl_entry_handler handler;
224 acpi_tbl_entry_handler_arg handler_arg;
225 void *arg;
226 int count;
227};
228
229void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
230void __acpi_unmap_table(void __iomem *map, unsigned long size);
231int early_acpi_boot_init(void);
232int acpi_boot_init (void);
233void acpi_boot_table_prepare (void);
234void acpi_boot_table_init (void);
235int acpi_mps_check (void);
236int acpi_numa_init (void);
237
238int acpi_locate_initial_tables (void);
239void acpi_reserve_initial_tables (void);
240void acpi_table_init_complete (void);
241int acpi_table_init (void);
242
243#ifdef CONFIG_ACPI_TABLE_LIB
244#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
245#define __init_or_acpilib
246#define __initdata_or_acpilib
247#else
248#define EXPORT_SYMBOL_ACPI_LIB(x)
249#define __init_or_acpilib __init
250#define __initdata_or_acpilib __initdata
251#endif
252
253int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
254int __init_or_acpilib acpi_table_parse_entries(char *id,
255 unsigned long table_size, int entry_id,
256 acpi_tbl_entry_handler handler, unsigned int max_entries);
257int __init_or_acpilib acpi_table_parse_entries_array(char *id,
258 unsigned long table_size, struct acpi_subtable_proc *proc,
259 int proc_num, unsigned int max_entries);
260int acpi_table_parse_madt(enum acpi_madt_type id,
261 acpi_tbl_entry_handler handler,
262 unsigned int max_entries);
263int __init_or_acpilib
264acpi_table_parse_cedt(enum acpi_cedt_type id,
265 acpi_tbl_entry_handler_arg handler_arg, void *arg);
266
267int acpi_parse_mcfg (struct acpi_table_header *header);
268void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
269
270/* the following numa functions are architecture-dependent */
271void acpi_numa_slit_init (struct acpi_table_slit *slit);
272
273#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
274void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
275#else
276static inline void
277acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
278#endif
279
280void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
281
282#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
283void acpi_arch_dma_setup(struct device *dev);
284#else
285static inline void acpi_arch_dma_setup(struct device *dev) { }
286#endif
287
288#ifdef CONFIG_ARM64
289void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
290#else
291static inline void
292acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
293#endif
294
295int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
296
297#ifndef PHYS_CPUID_INVALID
298typedef u32 phys_cpuid_t;
299#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
300#endif
301
302static inline bool invalid_logical_cpuid(u32 cpuid)
303{
304 return (int)cpuid < 0;
305}
306
307static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
308{
309 return phys_id == PHYS_CPUID_INVALID;
310}
311
312/* Validate the processor object's proc_id */
313bool acpi_duplicate_processor_id(int proc_id);
314/* Processor _CTS control */
315struct acpi_processor_power;
316
317#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
318bool acpi_processor_claim_cst_control(void);
319int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
320 struct acpi_processor_power *info);
321#else
322static inline bool acpi_processor_claim_cst_control(void) { return false; }
323static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
324 struct acpi_processor_power *info)
325{
326 return -ENODEV;
327}
328#endif
329
330#ifdef CONFIG_ACPI_HOTPLUG_CPU
331/* Arch dependent functions for cpu hotplug support */
332int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
333 int *pcpu);
334int acpi_unmap_cpu(int cpu);
335#endif /* CONFIG_ACPI_HOTPLUG_CPU */
336
337#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
338int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
339#endif
340
341int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
342int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
343int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
344void acpi_irq_stats_init(void);
345extern u32 acpi_irq_handled;
346extern u32 acpi_irq_not_handled;
347extern unsigned int acpi_sci_irq;
348extern bool acpi_no_s5;
349#define INVALID_ACPI_IRQ ((unsigned)-1)
350static inline bool acpi_sci_irq_valid(void)
351{
352 return acpi_sci_irq != INVALID_ACPI_IRQ;
353}
354
355extern int sbf_port;
356extern unsigned long acpi_realmode_flags;
357
358int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
359int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
360int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
361
362void acpi_set_irq_model(enum acpi_irq_model_id model,
363 struct fwnode_handle *(*)(u32));
364void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
365
366struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
367 unsigned int size,
368 struct fwnode_handle *fwnode,
369 const struct irq_domain_ops *ops,
370 void *host_data);
371
372#ifdef CONFIG_X86_IO_APIC
373extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
374#else
375static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
376{
377 return -1;
378}
379#endif
380/*
381 * This function undoes the effect of one call to acpi_register_gsi().
382 * If this matches the last registration, any IRQ resources for gsi
383 * are freed.
384 */
385void acpi_unregister_gsi (u32 gsi);
386
387struct pci_dev;
388
389int acpi_pci_irq_enable (struct pci_dev *dev);
390void acpi_penalize_isa_irq(int irq, int active);
391bool acpi_isa_irq_available(int irq);
392#ifdef CONFIG_PCI
393void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
394#else
395static inline void acpi_penalize_sci_irq(int irq, int trigger,
396 int polarity)
397{
398}
399#endif
400void acpi_pci_irq_disable (struct pci_dev *dev);
401
402extern int ec_read(u8 addr, u8 *val);
403extern int ec_write(u8 addr, u8 val);
404extern int ec_transaction(u8 command,
405 const u8 *wdata, unsigned wdata_len,
406 u8 *rdata, unsigned rdata_len);
407extern acpi_handle ec_get_handle(void);
408
409extern bool acpi_is_pnp_device(struct acpi_device *);
410
411#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
412
413typedef void (*wmi_notify_handler) (u32 value, void *context);
414
415extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
416 u32 method_id,
417 const struct acpi_buffer *in,
418 struct acpi_buffer *out);
419extern acpi_status wmi_query_block(const char *guid, u8 instance,
420 struct acpi_buffer *out);
421extern acpi_status wmi_set_block(const char *guid, u8 instance,
422 const struct acpi_buffer *in);
423extern acpi_status wmi_install_notify_handler(const char *guid,
424 wmi_notify_handler handler, void *data);
425extern acpi_status wmi_remove_notify_handler(const char *guid);
426extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
427extern bool wmi_has_guid(const char *guid);
428extern char *wmi_get_acpi_device_uid(const char *guid);
429
430#endif /* CONFIG_ACPI_WMI */
431
432#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
433#define ACPI_VIDEO_DEVICE_POSTING 0x0002
434#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
435#define ACPI_VIDEO_BACKLIGHT 0x0008
436#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
437#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
438#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
439#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
440#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
441#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
442#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
443#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
444
445extern char acpi_video_backlight_string[];
446extern long acpi_is_video_device(acpi_handle handle);
447extern int acpi_blacklisted(void);
448extern void acpi_osi_setup(char *str);
449extern bool acpi_osi_is_win8(void);
450
451#ifdef CONFIG_ACPI_NUMA
452int acpi_map_pxm_to_node(int pxm);
453int acpi_get_node(acpi_handle handle);
454
455/**
456 * pxm_to_online_node - Map proximity ID to online node
457 * @pxm: ACPI proximity ID
458 *
459 * This is similar to pxm_to_node(), but always returns an online
460 * node. When the mapped node from a given proximity ID is offline, it
461 * looks up the node distance table and returns the nearest online node.
462 *
463 * ACPI device drivers, which are called after the NUMA initialization has
464 * completed in the kernel, can call this interface to obtain their device
465 * NUMA topology from ACPI tables. Such drivers do not have to deal with
466 * offline nodes. A node may be offline when SRAT memory entry does not exist,
467 * or NUMA is disabled, ex. "numa=off" on x86.
468 */
469static inline int pxm_to_online_node(int pxm)
470{
471 int node = pxm_to_node(pxm);
472
473 return numa_map_to_online_node(node);
474}
475#else
476static inline int pxm_to_online_node(int pxm)
477{
478 return 0;
479}
480static inline int acpi_map_pxm_to_node(int pxm)
481{
482 return 0;
483}
484static inline int acpi_get_node(acpi_handle handle)
485{
486 return 0;
487}
488#endif
489extern int acpi_paddr_to_node(u64 start_addr, u64 size);
490
491extern int pnpacpi_disabled;
492
493#define PXM_INVAL (-1)
494
495bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
496bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
497bool acpi_dev_resource_address_space(struct acpi_resource *ares,
498 struct resource_win *win);
499bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
500 struct resource_win *win);
501unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
502unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
503bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
504 struct resource *res);
505
506void acpi_dev_free_resource_list(struct list_head *list);
507int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
508 int (*preproc)(struct acpi_resource *, void *),
509 void *preproc_data);
510int acpi_dev_get_dma_resources(struct acpi_device *adev,
511 struct list_head *list);
512int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
513int acpi_dev_filter_resource_type(struct acpi_resource *ares,
514 unsigned long types);
515
516static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
517 void *arg)
518{
519 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
520}
521
522struct acpi_device *acpi_resource_consumer(struct resource *res);
523
524int acpi_check_resource_conflict(const struct resource *res);
525
526int acpi_check_region(resource_size_t start, resource_size_t n,
527 const char *name);
528
529int acpi_resources_are_enforced(void);
530
531#ifdef CONFIG_HIBERNATION
532extern int acpi_check_s4_hw_signature;
533#endif
534
535#ifdef CONFIG_PM_SLEEP
536void __init acpi_old_suspend_ordering(void);
537void __init acpi_nvs_nosave(void);
538void __init acpi_nvs_nosave_s3(void);
539void __init acpi_sleep_no_blacklist(void);
540#endif /* CONFIG_PM_SLEEP */
541
542int acpi_register_wakeup_handler(
543 int wake_irq, bool (*wakeup)(void *context), void *context);
544void acpi_unregister_wakeup_handler(
545 bool (*wakeup)(void *context), void *context);
546
547struct acpi_osc_context {
548 char *uuid_str; /* UUID string */
549 int rev;
550 struct acpi_buffer cap; /* list of DWORD capabilities */
551 struct acpi_buffer ret; /* free by caller if success */
552};
553
554acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
555
556/* Number of _OSC capability DWORDS depends on bridge type */
557#define OSC_PCI_CAPABILITY_DWORDS 3
558#define OSC_CXL_CAPABILITY_DWORDS 5
559
560/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
561#define OSC_QUERY_DWORD 0 /* DWORD 1 */
562#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
563#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
564#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
565#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
566
567/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
568#define OSC_QUERY_ENABLE 0x00000001 /* input */
569#define OSC_REQUEST_ERROR 0x00000002 /* return */
570#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
571#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
572#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
573
574/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
575#define OSC_SB_PAD_SUPPORT 0x00000001
576#define OSC_SB_PPC_OST_SUPPORT 0x00000002
577#define OSC_SB_PR3_SUPPORT 0x00000004
578#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
579#define OSC_SB_APEI_SUPPORT 0x00000010
580#define OSC_SB_CPC_SUPPORT 0x00000020
581#define OSC_SB_CPCV2_SUPPORT 0x00000040
582#define OSC_SB_PCLPI_SUPPORT 0x00000080
583#define OSC_SB_OSLPI_SUPPORT 0x00000100
584#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
585#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
586#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
587#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
588#define OSC_SB_PRM_SUPPORT 0x00200000
589#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
590
591extern bool osc_sb_apei_support_acked;
592extern bool osc_pc_lpi_support_confirmed;
593extern bool osc_sb_native_usb4_support_confirmed;
594extern bool osc_sb_cppc2_support_acked;
595extern bool osc_cpc_flexible_adr_space_confirmed;
596
597/* USB4 Capabilities */
598#define OSC_USB_USB3_TUNNELING 0x00000001
599#define OSC_USB_DP_TUNNELING 0x00000002
600#define OSC_USB_PCIE_TUNNELING 0x00000004
601#define OSC_USB_XDOMAIN 0x00000008
602
603extern u32 osc_sb_native_usb4_control;
604
605/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
606#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
607#define OSC_PCI_ASPM_SUPPORT 0x00000002
608#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
609#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
610#define OSC_PCI_MSI_SUPPORT 0x00000010
611#define OSC_PCI_EDR_SUPPORT 0x00000080
612#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
613
614/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
615#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
616#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
617#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
618#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
619#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
620#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
621#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
622
623/* CXL _OSC: Capabilities DWORD 4: Support Field */
624#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
625#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
626#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
627#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
628
629/* CXL _OSC: Capabilities DWORD 5: Control Field */
630#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
631
632static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
633{
634 u32 *ret = context->ret.pointer;
635
636 return ret[OSC_CONTROL_DWORD];
637}
638
639static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
640{
641 u32 *ret = context->ret.pointer;
642
643 return ret[OSC_EXT_CONTROL_DWORD];
644}
645
646#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
647#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
648#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
649#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
650#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
651#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
652#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
653#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
654#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
655#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
656
657/* Enable _OST when all relevant hotplug operations are enabled */
658#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
659 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
660 defined(CONFIG_ACPI_CONTAINER)
661#define ACPI_HOTPLUG_OST
662#endif
663
664/* _OST Source Event Code (OSPM Action) */
665#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
666#define ACPI_OST_EC_OSPM_EJECT 0x103
667#define ACPI_OST_EC_OSPM_INSERTION 0x200
668
669/* _OST General Processing Status Code */
670#define ACPI_OST_SC_SUCCESS 0x0
671#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
672#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
673
674/* _OST OS Shutdown Processing (0x100) Status Code */
675#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
676#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
677#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
678#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
679
680/* _OST Ejection Request (0x3, 0x103) Status Code */
681#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
682#define ACPI_OST_SC_DEVICE_IN_USE 0x81
683#define ACPI_OST_SC_DEVICE_BUSY 0x82
684#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
685#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
686
687/* _OST Insertion Request (0x200) Status Code */
688#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
689#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
690#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
691
692enum acpi_predicate {
693 all_versions,
694 less_than_or_equal,
695 equal,
696 greater_than_or_equal,
697};
698
699/* Table must be terminted by a NULL entry */
700struct acpi_platform_list {
701 char oem_id[ACPI_OEM_ID_SIZE+1];
702 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
703 u32 oem_revision;
704 char *table;
705 enum acpi_predicate pred;
706 char *reason;
707 u32 data;
708};
709int acpi_match_platform_list(const struct acpi_platform_list *plat);
710
711extern void acpi_early_init(void);
712extern void acpi_subsystem_init(void);
713extern void arch_post_acpi_subsys_init(void);
714
715extern int acpi_nvs_register(__u64 start, __u64 size);
716
717extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
718 void *data);
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_address(acpi_handle handle, u32 *addr);
772const char *acpi_get_subsystem_id(acpi_handle handle);
773
774#else /* !CONFIG_ACPI */
775
776#define acpi_disabled 1
777
778#define ACPI_COMPANION(dev) (NULL)
779#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
780#define ACPI_HANDLE(dev) (NULL)
781#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
782#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
783
784#include <acpi/acpi_numa.h>
785
786struct fwnode_handle;
787
788static inline bool acpi_dev_found(const char *hid)
789{
790 return false;
791}
792
793static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
794{
795 return false;
796}
797
798struct acpi_device;
799
800static inline bool
801acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
802{
803 return false;
804}
805
806static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
807{
808 return -ENODEV;
809}
810
811static inline struct acpi_device *
812acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
813{
814 return NULL;
815}
816
817static inline bool acpi_reduced_hardware(void)
818{
819 return false;
820}
821
822static inline void acpi_dev_put(struct acpi_device *adev) {}
823
824static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
825{
826 return false;
827}
828
829static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
830{
831 return false;
832}
833
834static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
835{
836 return NULL;
837}
838
839static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
840{
841 return false;
842}
843
844static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
845{
846 return NULL;
847}
848
849static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
850 const char *name)
851{
852 return false;
853}
854
855static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
856{
857 return NULL;
858}
859
860static inline bool has_acpi_companion(struct device *dev)
861{
862 return false;
863}
864
865static inline void acpi_preset_companion(struct device *dev,
866 struct acpi_device *parent, u64 addr)
867{
868}
869
870static inline const char *acpi_dev_name(struct acpi_device *adev)
871{
872 return NULL;
873}
874
875static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
876{
877 return NULL;
878}
879
880static inline void acpi_early_init(void) { }
881static inline void acpi_subsystem_init(void) { }
882
883static inline int early_acpi_boot_init(void)
884{
885 return 0;
886}
887static inline int acpi_boot_init(void)
888{
889 return 0;
890}
891
892static inline void acpi_boot_table_prepare(void)
893{
894}
895
896static inline void acpi_boot_table_init(void)
897{
898}
899
900static inline int acpi_mps_check(void)
901{
902 return 0;
903}
904
905static inline int acpi_check_resource_conflict(struct resource *res)
906{
907 return 0;
908}
909
910static inline int acpi_check_region(resource_size_t start, resource_size_t n,
911 const char *name)
912{
913 return 0;
914}
915
916struct acpi_table_header;
917static inline int acpi_table_parse(char *id,
918 int (*handler)(struct acpi_table_header *))
919{
920 return -ENODEV;
921}
922
923static inline int acpi_nvs_register(__u64 start, __u64 size)
924{
925 return 0;
926}
927
928static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
929 void *data)
930{
931 return 0;
932}
933
934struct acpi_device_id;
935
936static inline const struct acpi_device_id *acpi_match_device(
937 const struct acpi_device_id *ids, const struct device *dev)
938{
939 return NULL;
940}
941
942static inline const void *acpi_device_get_match_data(const struct device *dev)
943{
944 return NULL;
945}
946
947static inline bool acpi_driver_match_device(struct device *dev,
948 const struct device_driver *drv)
949{
950 return false;
951}
952
953static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
954 u64 rev, u64 funcs)
955{
956 return false;
957}
958
959static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
960 const guid_t *guid,
961 u64 rev, u64 func,
962 union acpi_object *argv4)
963{
964 return NULL;
965}
966
967static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
968 const guid_t *guid,
969 u64 rev, u64 func,
970 union acpi_object *argv4,
971 acpi_object_type type)
972{
973 return NULL;
974}
975
976static inline int acpi_device_uevent_modalias(const struct device *dev,
977 struct kobj_uevent_env *env)
978{
979 return -ENODEV;
980}
981
982static inline int acpi_device_modalias(struct device *dev,
983 char *buf, int size)
984{
985 return -ENODEV;
986}
987
988static inline struct platform_device *
989acpi_create_platform_device(struct acpi_device *adev,
990 const struct property_entry *properties)
991{
992 return NULL;
993}
994
995static inline bool acpi_dma_supported(const struct acpi_device *adev)
996{
997 return false;
998}
999
1000static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1001{
1002 return DEV_DMA_NOT_SUPPORTED;
1003}
1004
1005static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1006{
1007 return -ENODEV;
1008}
1009
1010static inline int acpi_dma_configure(struct device *dev,
1011 enum dev_dma_attr attr)
1012{
1013 return 0;
1014}
1015
1016static inline int acpi_dma_configure_id(struct device *dev,
1017 enum dev_dma_attr attr,
1018 const u32 *input_id)
1019{
1020 return 0;
1021}
1022
1023#define ACPI_PTR(_ptr) (NULL)
1024
1025static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1026{
1027}
1028
1029static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1030{
1031}
1032
1033static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1034{
1035 return -EINVAL;
1036}
1037
1038static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1039{
1040 return -EINVAL;
1041}
1042
1043static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1044{
1045 return NULL;
1046}
1047
1048static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1049{
1050 return -ENODEV;
1051}
1052
1053static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1054{
1055 return ERR_PTR(-ENODEV);
1056}
1057
1058static inline int acpi_register_wakeup_handler(int wake_irq,
1059 bool (*wakeup)(void *context), void *context)
1060{
1061 return -ENXIO;
1062}
1063
1064static inline void acpi_unregister_wakeup_handler(
1065 bool (*wakeup)(void *context), void *context) { }
1066
1067struct acpi_osc_context;
1068static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1069{
1070 return 0;
1071}
1072
1073static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1074{
1075 return 0;
1076}
1077
1078#endif /* !CONFIG_ACPI */
1079
1080#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1081int acpi_ioapic_add(acpi_handle root);
1082#else
1083static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1084#endif
1085
1086#ifdef CONFIG_ACPI
1087void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1088 u32 pm1a_ctrl, u32 pm1b_ctrl));
1089
1090acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1091 u32 pm1a_control, u32 pm1b_control);
1092
1093void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1094 u32 val_a, u32 val_b));
1095
1096acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1097 u32 val_a, u32 val_b);
1098#ifdef CONFIG_X86
1099struct acpi_s2idle_dev_ops {
1100 struct list_head list_node;
1101 void (*prepare)(void);
1102 void (*check)(void);
1103 void (*restore)(void);
1104};
1105int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1106void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1107#endif /* CONFIG_X86 */
1108#ifndef CONFIG_IA64
1109void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1110#else
1111static inline void arch_reserve_mem_area(acpi_physical_address addr,
1112 size_t size)
1113{
1114}
1115#endif /* CONFIG_X86 */
1116#else
1117#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1118#endif
1119
1120#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1121int acpi_dev_suspend(struct device *dev, bool wakeup);
1122int acpi_dev_resume(struct device *dev);
1123int acpi_subsys_runtime_suspend(struct device *dev);
1124int acpi_subsys_runtime_resume(struct device *dev);
1125int acpi_dev_pm_attach(struct device *dev, bool power_on);
1126bool acpi_storage_d3(struct device *dev);
1127bool acpi_dev_state_d0(struct device *dev);
1128#else
1129static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1130static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1131static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1132{
1133 return 0;
1134}
1135static inline bool acpi_storage_d3(struct device *dev)
1136{
1137 return false;
1138}
1139static inline bool acpi_dev_state_d0(struct device *dev)
1140{
1141 return true;
1142}
1143#endif
1144
1145#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1146int acpi_subsys_prepare(struct device *dev);
1147void acpi_subsys_complete(struct device *dev);
1148int acpi_subsys_suspend_late(struct device *dev);
1149int acpi_subsys_suspend_noirq(struct device *dev);
1150int acpi_subsys_suspend(struct device *dev);
1151int acpi_subsys_freeze(struct device *dev);
1152int acpi_subsys_poweroff(struct device *dev);
1153void acpi_ec_mark_gpe_for_wake(void);
1154void acpi_ec_set_gpe_wake_mask(u8 action);
1155int acpi_subsys_restore_early(struct device *dev);
1156#else
1157static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1158static inline void acpi_subsys_complete(struct device *dev) {}
1159static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1160static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1161static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1162static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1163static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1164static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1165static inline void acpi_ec_mark_gpe_for_wake(void) {}
1166static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1167#endif
1168
1169#ifdef CONFIG_ACPI
1170__printf(3, 4)
1171void acpi_handle_printk(const char *level, acpi_handle handle,
1172 const char *fmt, ...);
1173void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1174 acpi_status status);
1175#else /* !CONFIG_ACPI */
1176static inline __printf(3, 4) void
1177acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1178static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1179 const char *name,
1180 acpi_status status) {}
1181#endif /* !CONFIG_ACPI */
1182
1183#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1184__printf(3, 4)
1185void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1186#endif
1187
1188/*
1189 * acpi_handle_<level>: Print message with ACPI prefix and object path
1190 *
1191 * These interfaces acquire the global namespace mutex to obtain an object
1192 * path. In interrupt context, it shows the object path as <n/a>.
1193 */
1194#define acpi_handle_emerg(handle, fmt, ...) \
1195 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1196#define acpi_handle_alert(handle, fmt, ...) \
1197 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1198#define acpi_handle_crit(handle, fmt, ...) \
1199 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1200#define acpi_handle_err(handle, fmt, ...) \
1201 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1202#define acpi_handle_warn(handle, fmt, ...) \
1203 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1204#define acpi_handle_notice(handle, fmt, ...) \
1205 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1206#define acpi_handle_info(handle, fmt, ...) \
1207 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1208
1209#if defined(DEBUG)
1210#define acpi_handle_debug(handle, fmt, ...) \
1211 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1212#else
1213#if defined(CONFIG_DYNAMIC_DEBUG)
1214#define acpi_handle_debug(handle, fmt, ...) \
1215 _dynamic_func_call(fmt, __acpi_handle_debug, \
1216 handle, pr_fmt(fmt), ##__VA_ARGS__)
1217#else
1218#define acpi_handle_debug(handle, fmt, ...) \
1219({ \
1220 if (0) \
1221 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1222 0; \
1223})
1224#endif
1225#endif
1226
1227#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1228bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1229 struct acpi_resource_gpio **agpio);
1230bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1231 struct acpi_resource_gpio **agpio);
1232int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1233 bool *wake_capable);
1234#else
1235static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1236 struct acpi_resource_gpio **agpio)
1237{
1238 return false;
1239}
1240static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1241 struct acpi_resource_gpio **agpio)
1242{
1243 return false;
1244}
1245static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1246 int index, bool *wake_capable)
1247{
1248 return -ENXIO;
1249}
1250#endif
1251
1252static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1253 bool *wake_capable)
1254{
1255 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1256}
1257
1258static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1259 int index)
1260{
1261 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1262}
1263
1264static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1265{
1266 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1267}
1268
1269/* Device properties */
1270
1271#ifdef CONFIG_ACPI
1272int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1273 acpi_object_type type, const union acpi_object **obj);
1274int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1275 const char *name, size_t index, size_t num_args,
1276 struct fwnode_reference_args *args);
1277
1278static inline int acpi_node_get_property_reference(
1279 const struct fwnode_handle *fwnode,
1280 const char *name, size_t index,
1281 struct fwnode_reference_args *args)
1282{
1283 return __acpi_node_get_property_reference(fwnode, name, index,
1284 NR_FWNODE_REFERENCE_ARGS, args);
1285}
1286
1287static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1288{
1289 return !list_empty(&adev->data.properties);
1290}
1291
1292struct acpi_device_properties *
1293acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1294 union acpi_object *properties);
1295
1296int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1297 void **valptr);
1298
1299struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1300 struct fwnode_handle *child);
1301
1302struct acpi_probe_entry;
1303typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1304 struct acpi_probe_entry *);
1305
1306#define ACPI_TABLE_ID_LEN 5
1307
1308/**
1309 * struct acpi_probe_entry - boot-time probing entry
1310 * @id: ACPI table name
1311 * @type: Optional subtable type to match
1312 * (if @id contains subtables)
1313 * @subtable_valid: Optional callback to check the validity of
1314 * the subtable
1315 * @probe_table: Callback to the driver being probed when table
1316 * match is successful
1317 * @probe_subtbl: Callback to the driver being probed when table and
1318 * subtable match (and optional callback is successful)
1319 * @driver_data: Sideband data provided back to the driver
1320 */
1321struct acpi_probe_entry {
1322 __u8 id[ACPI_TABLE_ID_LEN];
1323 __u8 type;
1324 acpi_probe_entry_validate_subtbl subtable_valid;
1325 union {
1326 acpi_tbl_table_handler probe_table;
1327 acpi_tbl_entry_handler probe_subtbl;
1328 };
1329 kernel_ulong_t driver_data;
1330};
1331
1332#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1333 valid, data, fn) \
1334 static const struct acpi_probe_entry __acpi_probe_##name \
1335 __used __section("__" #table "_acpi_probe_table") = { \
1336 .id = table_id, \
1337 .type = subtable, \
1338 .subtable_valid = valid, \
1339 .probe_table = fn, \
1340 .driver_data = data, \
1341 }
1342
1343#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1344 subtable, valid, data, fn) \
1345 static const struct acpi_probe_entry __acpi_probe_##name \
1346 __used __section("__" #table "_acpi_probe_table") = { \
1347 .id = table_id, \
1348 .type = subtable, \
1349 .subtable_valid = valid, \
1350 .probe_subtbl = fn, \
1351 .driver_data = data, \
1352 }
1353
1354#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1355#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1356
1357int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1358
1359#define acpi_probe_device_table(t) \
1360 ({ \
1361 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1362 ACPI_PROBE_TABLE_END(t); \
1363 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1364 (&ACPI_PROBE_TABLE_END(t) - \
1365 &ACPI_PROBE_TABLE(t))); \
1366 })
1367#else
1368static inline int acpi_dev_get_property(struct acpi_device *adev,
1369 const char *name, acpi_object_type type,
1370 const union acpi_object **obj)
1371{
1372 return -ENXIO;
1373}
1374
1375static inline int
1376__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1377 const char *name, size_t index, size_t num_args,
1378 struct fwnode_reference_args *args)
1379{
1380 return -ENXIO;
1381}
1382
1383static inline int
1384acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1385 const char *name, size_t index,
1386 struct fwnode_reference_args *args)
1387{
1388 return -ENXIO;
1389}
1390
1391static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1392 const char *propname,
1393 void **valptr)
1394{
1395 return -ENXIO;
1396}
1397
1398static inline struct fwnode_handle *
1399acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1400 struct fwnode_handle *child)
1401{
1402 return NULL;
1403}
1404
1405static inline struct fwnode_handle *
1406acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1407 struct fwnode_handle *prev)
1408{
1409 return ERR_PTR(-ENXIO);
1410}
1411
1412static inline int
1413acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1414 struct fwnode_handle **remote,
1415 struct fwnode_handle **port,
1416 struct fwnode_handle **endpoint)
1417{
1418 return -ENXIO;
1419}
1420
1421#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1422 static const void * __acpi_table_##name[] \
1423 __attribute__((unused)) \
1424 = { (void *) table_id, \
1425 (void *) subtable, \
1426 (void *) valid, \
1427 (void *) fn, \
1428 (void *) data }
1429
1430#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1431#endif
1432
1433#ifdef CONFIG_ACPI_TABLE_UPGRADE
1434void acpi_table_upgrade(void);
1435#else
1436static inline void acpi_table_upgrade(void) { }
1437#endif
1438
1439#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1440extern bool acpi_has_watchdog(void);
1441#else
1442static inline bool acpi_has_watchdog(void) { return false; }
1443#endif
1444
1445#ifdef CONFIG_ACPI_SPCR_TABLE
1446extern bool qdf2400_e44_present;
1447int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1448#else
1449static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1450{
1451 return 0;
1452}
1453#endif
1454
1455#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1456int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1457#else
1458static inline
1459int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1460{
1461 return -EINVAL;
1462}
1463#endif
1464
1465#ifdef CONFIG_ACPI_LPIT
1466int lpit_read_residency_count_address(u64 *address);
1467#else
1468static inline int lpit_read_residency_count_address(u64 *address)
1469{
1470 return -EINVAL;
1471}
1472#endif
1473
1474#ifdef CONFIG_ACPI_PPTT
1475int acpi_pptt_cpu_is_thread(unsigned int cpu);
1476int find_acpi_cpu_topology(unsigned int cpu, int level);
1477int find_acpi_cpu_topology_cluster(unsigned int cpu);
1478int find_acpi_cpu_topology_package(unsigned int cpu);
1479int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1480#else
1481static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1482{
1483 return -EINVAL;
1484}
1485static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1486{
1487 return -EINVAL;
1488}
1489static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1490{
1491 return -EINVAL;
1492}
1493static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1494{
1495 return -EINVAL;
1496}
1497static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1498{
1499 return -EINVAL;
1500}
1501#endif
1502
1503#ifdef CONFIG_ACPI_PCC
1504void acpi_init_pcc(void);
1505#else
1506static inline void acpi_init_pcc(void) { }
1507#endif
1508
1509#ifdef CONFIG_ACPI_FFH
1510void acpi_init_ffh(void);
1511extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1512 void **region_ctxt);
1513extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1514 void *region_context);
1515#else
1516static inline void acpi_init_ffh(void) { }
1517#endif
1518
1519#ifdef CONFIG_ACPI
1520extern void acpi_device_notify(struct device *dev);
1521extern void acpi_device_notify_remove(struct device *dev);
1522#else
1523static inline void acpi_device_notify(struct device *dev) { }
1524static inline void acpi_device_notify_remove(struct device *dev) { }
1525#endif
1526
1527#endif /*_LINUX_ACPI_H*/