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
590extern bool osc_sb_apei_support_acked;
591extern bool osc_pc_lpi_support_confirmed;
592extern bool osc_sb_native_usb4_support_confirmed;
593extern bool osc_sb_cppc2_support_acked;
594extern bool osc_cpc_flexible_adr_space_confirmed;
595
596/* USB4 Capabilities */
597#define OSC_USB_USB3_TUNNELING 0x00000001
598#define OSC_USB_DP_TUNNELING 0x00000002
599#define OSC_USB_PCIE_TUNNELING 0x00000004
600#define OSC_USB_XDOMAIN 0x00000008
601
602extern u32 osc_sb_native_usb4_control;
603
604/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
605#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
606#define OSC_PCI_ASPM_SUPPORT 0x00000002
607#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
608#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
609#define OSC_PCI_MSI_SUPPORT 0x00000010
610#define OSC_PCI_EDR_SUPPORT 0x00000080
611#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
612
613/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
614#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
615#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
616#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
617#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
618#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
619#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
620#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
621
622/* CXL _OSC: Capabilities DWORD 4: Support Field */
623#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
624#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
625#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
626#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
627
628/* CXL _OSC: Capabilities DWORD 5: Control Field */
629#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
630
631static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
632{
633 u32 *ret = context->ret.pointer;
634
635 return ret[OSC_CONTROL_DWORD];
636}
637
638static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
639{
640 u32 *ret = context->ret.pointer;
641
642 return ret[OSC_EXT_CONTROL_DWORD];
643}
644
645#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
646#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
647#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
648#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
649#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
650#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
651#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
652#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
653#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
654#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
655
656/* Enable _OST when all relevant hotplug operations are enabled */
657#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
658 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
659 defined(CONFIG_ACPI_CONTAINER)
660#define ACPI_HOTPLUG_OST
661#endif
662
663/* _OST Source Event Code (OSPM Action) */
664#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
665#define ACPI_OST_EC_OSPM_EJECT 0x103
666#define ACPI_OST_EC_OSPM_INSERTION 0x200
667
668/* _OST General Processing Status Code */
669#define ACPI_OST_SC_SUCCESS 0x0
670#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
671#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
672
673/* _OST OS Shutdown Processing (0x100) Status Code */
674#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
675#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
676#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
677#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
678
679/* _OST Ejection Request (0x3, 0x103) Status Code */
680#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
681#define ACPI_OST_SC_DEVICE_IN_USE 0x81
682#define ACPI_OST_SC_DEVICE_BUSY 0x82
683#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
684#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
685
686/* _OST Insertion Request (0x200) Status Code */
687#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
688#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
689#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
690
691enum acpi_predicate {
692 all_versions,
693 less_than_or_equal,
694 equal,
695 greater_than_or_equal,
696};
697
698/* Table must be terminted by a NULL entry */
699struct acpi_platform_list {
700 char oem_id[ACPI_OEM_ID_SIZE+1];
701 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
702 u32 oem_revision;
703 char *table;
704 enum acpi_predicate pred;
705 char *reason;
706 u32 data;
707};
708int acpi_match_platform_list(const struct acpi_platform_list *plat);
709
710extern void acpi_early_init(void);
711extern void acpi_subsystem_init(void);
712extern void arch_post_acpi_subsys_init(void);
713
714extern int acpi_nvs_register(__u64 start, __u64 size);
715
716extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
717 void *data);
718
719const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
720 const struct device *dev);
721
722const void *acpi_device_get_match_data(const struct device *dev);
723extern bool acpi_driver_match_device(struct device *dev,
724 const struct device_driver *drv);
725int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
726int acpi_device_modalias(struct device *, char *, int);
727
728struct platform_device *acpi_create_platform_device(struct acpi_device *,
729 const struct property_entry *);
730#define ACPI_PTR(_ptr) (_ptr)
731
732static inline void acpi_device_set_enumerated(struct acpi_device *adev)
733{
734 adev->flags.visited = true;
735}
736
737static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
738{
739 adev->flags.visited = false;
740}
741
742enum acpi_reconfig_event {
743 ACPI_RECONFIG_DEVICE_ADD = 0,
744 ACPI_RECONFIG_DEVICE_REMOVE,
745};
746
747int acpi_reconfig_notifier_register(struct notifier_block *nb);
748int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
749
750#ifdef CONFIG_ACPI_GTDT
751int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
752int acpi_gtdt_map_ppi(int type);
753bool acpi_gtdt_c3stop(int type);
754int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
755#endif
756
757#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
758static inline void acpi_arch_set_root_pointer(u64 addr)
759{
760}
761#endif
762
763#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
764static inline u64 acpi_arch_get_root_pointer(void)
765{
766 return 0;
767}
768#endif
769
770int acpi_get_local_address(acpi_handle handle, u32 *addr);
771const char *acpi_get_subsystem_id(acpi_handle handle);
772
773#else /* !CONFIG_ACPI */
774
775#define acpi_disabled 1
776
777#define ACPI_COMPANION(dev) (NULL)
778#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
779#define ACPI_HANDLE(dev) (NULL)
780#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
781#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
782
783#include <acpi/acpi_numa.h>
784
785struct fwnode_handle;
786
787static inline bool acpi_dev_found(const char *hid)
788{
789 return false;
790}
791
792static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
793{
794 return false;
795}
796
797struct acpi_device;
798
799static inline bool
800acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
801{
802 return false;
803}
804
805static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
806{
807 return -ENODEV;
808}
809
810static inline struct acpi_device *
811acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
812{
813 return NULL;
814}
815
816static inline bool acpi_reduced_hardware(void)
817{
818 return false;
819}
820
821static inline void acpi_dev_put(struct acpi_device *adev) {}
822
823static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
824{
825 return false;
826}
827
828static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
829{
830 return false;
831}
832
833static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
834{
835 return NULL;
836}
837
838static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
839{
840 return false;
841}
842
843static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
844{
845 return NULL;
846}
847
848static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
849 const char *name)
850{
851 return false;
852}
853
854static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
855{
856 return NULL;
857}
858
859static inline bool has_acpi_companion(struct device *dev)
860{
861 return false;
862}
863
864static inline void acpi_preset_companion(struct device *dev,
865 struct acpi_device *parent, u64 addr)
866{
867}
868
869static inline const char *acpi_dev_name(struct acpi_device *adev)
870{
871 return NULL;
872}
873
874static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
875{
876 return NULL;
877}
878
879static inline void acpi_early_init(void) { }
880static inline void acpi_subsystem_init(void) { }
881
882static inline int early_acpi_boot_init(void)
883{
884 return 0;
885}
886static inline int acpi_boot_init(void)
887{
888 return 0;
889}
890
891static inline void acpi_boot_table_prepare(void)
892{
893}
894
895static inline void acpi_boot_table_init(void)
896{
897}
898
899static inline int acpi_mps_check(void)
900{
901 return 0;
902}
903
904static inline int acpi_check_resource_conflict(struct resource *res)
905{
906 return 0;
907}
908
909static inline int acpi_check_region(resource_size_t start, resource_size_t n,
910 const char *name)
911{
912 return 0;
913}
914
915struct acpi_table_header;
916static inline int acpi_table_parse(char *id,
917 int (*handler)(struct acpi_table_header *))
918{
919 return -ENODEV;
920}
921
922static inline int acpi_nvs_register(__u64 start, __u64 size)
923{
924 return 0;
925}
926
927static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
928 void *data)
929{
930 return 0;
931}
932
933struct acpi_device_id;
934
935static inline const struct acpi_device_id *acpi_match_device(
936 const struct acpi_device_id *ids, const struct device *dev)
937{
938 return NULL;
939}
940
941static inline const void *acpi_device_get_match_data(const struct device *dev)
942{
943 return NULL;
944}
945
946static inline bool acpi_driver_match_device(struct device *dev,
947 const struct device_driver *drv)
948{
949 return false;
950}
951
952static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
953 const guid_t *guid,
954 u64 rev, u64 func,
955 union acpi_object *argv4)
956{
957 return NULL;
958}
959
960static inline int acpi_device_uevent_modalias(struct device *dev,
961 struct kobj_uevent_env *env)
962{
963 return -ENODEV;
964}
965
966static inline int acpi_device_modalias(struct device *dev,
967 char *buf, int size)
968{
969 return -ENODEV;
970}
971
972static inline struct platform_device *
973acpi_create_platform_device(struct acpi_device *adev,
974 const struct property_entry *properties)
975{
976 return NULL;
977}
978
979static inline bool acpi_dma_supported(const struct acpi_device *adev)
980{
981 return false;
982}
983
984static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
985{
986 return DEV_DMA_NOT_SUPPORTED;
987}
988
989static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
990{
991 return -ENODEV;
992}
993
994static inline int acpi_dma_configure(struct device *dev,
995 enum dev_dma_attr attr)
996{
997 return 0;
998}
999
1000static inline int acpi_dma_configure_id(struct device *dev,
1001 enum dev_dma_attr attr,
1002 const u32 *input_id)
1003{
1004 return 0;
1005}
1006
1007#define ACPI_PTR(_ptr) (NULL)
1008
1009static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1010{
1011}
1012
1013static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1014{
1015}
1016
1017static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1018{
1019 return -EINVAL;
1020}
1021
1022static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1023{
1024 return -EINVAL;
1025}
1026
1027static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1028{
1029 return NULL;
1030}
1031
1032static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1033{
1034 return -ENODEV;
1035}
1036
1037static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1038{
1039 return ERR_PTR(-ENODEV);
1040}
1041
1042static inline int acpi_register_wakeup_handler(int wake_irq,
1043 bool (*wakeup)(void *context), void *context)
1044{
1045 return -ENXIO;
1046}
1047
1048static inline void acpi_unregister_wakeup_handler(
1049 bool (*wakeup)(void *context), void *context) { }
1050
1051struct acpi_osc_context;
1052static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1053{
1054 return 0;
1055}
1056
1057static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1058{
1059 return 0;
1060}
1061
1062#endif /* !CONFIG_ACPI */
1063
1064#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1065int acpi_ioapic_add(acpi_handle root);
1066#else
1067static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1068#endif
1069
1070#ifdef CONFIG_ACPI
1071void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1072 u32 pm1a_ctrl, u32 pm1b_ctrl));
1073
1074acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1075 u32 pm1a_control, u32 pm1b_control);
1076
1077void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1078 u32 val_a, u32 val_b));
1079
1080acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1081 u32 val_a, u32 val_b);
1082#ifdef CONFIG_X86
1083struct acpi_s2idle_dev_ops {
1084 struct list_head list_node;
1085 void (*prepare)(void);
1086 void (*check)(void);
1087 void (*restore)(void);
1088};
1089int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1090void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1091#endif /* CONFIG_X86 */
1092#ifndef CONFIG_IA64
1093void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1094#else
1095static inline void arch_reserve_mem_area(acpi_physical_address addr,
1096 size_t size)
1097{
1098}
1099#endif /* CONFIG_X86 */
1100#else
1101#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1102#endif
1103
1104#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1105int acpi_dev_suspend(struct device *dev, bool wakeup);
1106int acpi_dev_resume(struct device *dev);
1107int acpi_subsys_runtime_suspend(struct device *dev);
1108int acpi_subsys_runtime_resume(struct device *dev);
1109int acpi_dev_pm_attach(struct device *dev, bool power_on);
1110bool acpi_storage_d3(struct device *dev);
1111bool acpi_dev_state_d0(struct device *dev);
1112#else
1113static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1114static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1115static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1116{
1117 return 0;
1118}
1119static inline bool acpi_storage_d3(struct device *dev)
1120{
1121 return false;
1122}
1123static inline bool acpi_dev_state_d0(struct device *dev)
1124{
1125 return true;
1126}
1127#endif
1128
1129#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1130int acpi_subsys_prepare(struct device *dev);
1131void acpi_subsys_complete(struct device *dev);
1132int acpi_subsys_suspend_late(struct device *dev);
1133int acpi_subsys_suspend_noirq(struct device *dev);
1134int acpi_subsys_suspend(struct device *dev);
1135int acpi_subsys_freeze(struct device *dev);
1136int acpi_subsys_poweroff(struct device *dev);
1137void acpi_ec_mark_gpe_for_wake(void);
1138void acpi_ec_set_gpe_wake_mask(u8 action);
1139#else
1140static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1141static inline void acpi_subsys_complete(struct device *dev) {}
1142static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1143static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1144static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1145static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1146static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1147static inline void acpi_ec_mark_gpe_for_wake(void) {}
1148static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1149#endif
1150
1151#ifdef CONFIG_ACPI
1152__printf(3, 4)
1153void acpi_handle_printk(const char *level, acpi_handle handle,
1154 const char *fmt, ...);
1155void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1156 acpi_status status);
1157#else /* !CONFIG_ACPI */
1158static inline __printf(3, 4) void
1159acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1160static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1161 const char *name,
1162 acpi_status status) {}
1163#endif /* !CONFIG_ACPI */
1164
1165#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1166__printf(3, 4)
1167void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1168#endif
1169
1170/*
1171 * acpi_handle_<level>: Print message with ACPI prefix and object path
1172 *
1173 * These interfaces acquire the global namespace mutex to obtain an object
1174 * path. In interrupt context, it shows the object path as <n/a>.
1175 */
1176#define acpi_handle_emerg(handle, fmt, ...) \
1177 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1178#define acpi_handle_alert(handle, fmt, ...) \
1179 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1180#define acpi_handle_crit(handle, fmt, ...) \
1181 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1182#define acpi_handle_err(handle, fmt, ...) \
1183 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1184#define acpi_handle_warn(handle, fmt, ...) \
1185 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1186#define acpi_handle_notice(handle, fmt, ...) \
1187 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1188#define acpi_handle_info(handle, fmt, ...) \
1189 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1190
1191#if defined(DEBUG)
1192#define acpi_handle_debug(handle, fmt, ...) \
1193 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1194#else
1195#if defined(CONFIG_DYNAMIC_DEBUG)
1196#define acpi_handle_debug(handle, fmt, ...) \
1197 _dynamic_func_call(fmt, __acpi_handle_debug, \
1198 handle, pr_fmt(fmt), ##__VA_ARGS__)
1199#else
1200#define acpi_handle_debug(handle, fmt, ...) \
1201({ \
1202 if (0) \
1203 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1204 0; \
1205})
1206#endif
1207#endif
1208
1209#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1210bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1211 struct acpi_resource_gpio **agpio);
1212bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1213 struct acpi_resource_gpio **agpio);
1214int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1215 bool *wake_capable);
1216#else
1217static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1218 struct acpi_resource_gpio **agpio)
1219{
1220 return false;
1221}
1222static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1223 struct acpi_resource_gpio **agpio)
1224{
1225 return false;
1226}
1227static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1228 int index, bool *wake_capable)
1229{
1230 return -ENXIO;
1231}
1232#endif
1233
1234static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1235 bool *wake_capable)
1236{
1237 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1238}
1239
1240static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1241 int index)
1242{
1243 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1244}
1245
1246static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1247{
1248 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1249}
1250
1251/* Device properties */
1252
1253#ifdef CONFIG_ACPI
1254int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1255 acpi_object_type type, const union acpi_object **obj);
1256int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1257 const char *name, size_t index, size_t num_args,
1258 struct fwnode_reference_args *args);
1259
1260static inline int acpi_node_get_property_reference(
1261 const struct fwnode_handle *fwnode,
1262 const char *name, size_t index,
1263 struct fwnode_reference_args *args)
1264{
1265 return __acpi_node_get_property_reference(fwnode, name, index,
1266 NR_FWNODE_REFERENCE_ARGS, args);
1267}
1268
1269static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1270{
1271 return !list_empty(&adev->data.properties);
1272}
1273
1274struct acpi_device_properties *
1275acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1276 union acpi_object *properties);
1277
1278int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1279 void **valptr);
1280
1281struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1282 struct fwnode_handle *child);
1283
1284struct acpi_probe_entry;
1285typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1286 struct acpi_probe_entry *);
1287
1288#define ACPI_TABLE_ID_LEN 5
1289
1290/**
1291 * struct acpi_probe_entry - boot-time probing entry
1292 * @id: ACPI table name
1293 * @type: Optional subtable type to match
1294 * (if @id contains subtables)
1295 * @subtable_valid: Optional callback to check the validity of
1296 * the subtable
1297 * @probe_table: Callback to the driver being probed when table
1298 * match is successful
1299 * @probe_subtbl: Callback to the driver being probed when table and
1300 * subtable match (and optional callback is successful)
1301 * @driver_data: Sideband data provided back to the driver
1302 */
1303struct acpi_probe_entry {
1304 __u8 id[ACPI_TABLE_ID_LEN];
1305 __u8 type;
1306 acpi_probe_entry_validate_subtbl subtable_valid;
1307 union {
1308 acpi_tbl_table_handler probe_table;
1309 acpi_tbl_entry_handler probe_subtbl;
1310 };
1311 kernel_ulong_t driver_data;
1312};
1313
1314#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1315 valid, data, fn) \
1316 static const struct acpi_probe_entry __acpi_probe_##name \
1317 __used __section("__" #table "_acpi_probe_table") = { \
1318 .id = table_id, \
1319 .type = subtable, \
1320 .subtable_valid = valid, \
1321 .probe_table = fn, \
1322 .driver_data = data, \
1323 }
1324
1325#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1326 subtable, valid, data, fn) \
1327 static const struct acpi_probe_entry __acpi_probe_##name \
1328 __used __section("__" #table "_acpi_probe_table") = { \
1329 .id = table_id, \
1330 .type = subtable, \
1331 .subtable_valid = valid, \
1332 .probe_subtbl = fn, \
1333 .driver_data = data, \
1334 }
1335
1336#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1337#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1338
1339int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1340
1341#define acpi_probe_device_table(t) \
1342 ({ \
1343 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1344 ACPI_PROBE_TABLE_END(t); \
1345 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1346 (&ACPI_PROBE_TABLE_END(t) - \
1347 &ACPI_PROBE_TABLE(t))); \
1348 })
1349#else
1350static inline int acpi_dev_get_property(struct acpi_device *adev,
1351 const char *name, acpi_object_type type,
1352 const union acpi_object **obj)
1353{
1354 return -ENXIO;
1355}
1356
1357static inline int
1358__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1359 const char *name, size_t index, size_t num_args,
1360 struct fwnode_reference_args *args)
1361{
1362 return -ENXIO;
1363}
1364
1365static inline int
1366acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1367 const char *name, size_t index,
1368 struct fwnode_reference_args *args)
1369{
1370 return -ENXIO;
1371}
1372
1373static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1374 const char *propname,
1375 void **valptr)
1376{
1377 return -ENXIO;
1378}
1379
1380static inline struct fwnode_handle *
1381acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1382 struct fwnode_handle *child)
1383{
1384 return NULL;
1385}
1386
1387static inline struct fwnode_handle *
1388acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1389 struct fwnode_handle *prev)
1390{
1391 return ERR_PTR(-ENXIO);
1392}
1393
1394static inline int
1395acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1396 struct fwnode_handle **remote,
1397 struct fwnode_handle **port,
1398 struct fwnode_handle **endpoint)
1399{
1400 return -ENXIO;
1401}
1402
1403#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1404 static const void * __acpi_table_##name[] \
1405 __attribute__((unused)) \
1406 = { (void *) table_id, \
1407 (void *) subtable, \
1408 (void *) valid, \
1409 (void *) fn, \
1410 (void *) data }
1411
1412#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1413#endif
1414
1415#ifdef CONFIG_ACPI_TABLE_UPGRADE
1416void acpi_table_upgrade(void);
1417#else
1418static inline void acpi_table_upgrade(void) { }
1419#endif
1420
1421#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1422extern bool acpi_has_watchdog(void);
1423#else
1424static inline bool acpi_has_watchdog(void) { return false; }
1425#endif
1426
1427#ifdef CONFIG_ACPI_SPCR_TABLE
1428extern bool qdf2400_e44_present;
1429int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1430#else
1431static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1432{
1433 return 0;
1434}
1435#endif
1436
1437#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1438int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1439#else
1440static inline
1441int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1442{
1443 return -EINVAL;
1444}
1445#endif
1446
1447#ifdef CONFIG_ACPI_LPIT
1448int lpit_read_residency_count_address(u64 *address);
1449#else
1450static inline int lpit_read_residency_count_address(u64 *address)
1451{
1452 return -EINVAL;
1453}
1454#endif
1455
1456#ifdef CONFIG_ACPI_PPTT
1457int acpi_pptt_cpu_is_thread(unsigned int cpu);
1458int find_acpi_cpu_topology(unsigned int cpu, int level);
1459int find_acpi_cpu_topology_cluster(unsigned int cpu);
1460int find_acpi_cpu_topology_package(unsigned int cpu);
1461int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1462#else
1463static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1464{
1465 return -EINVAL;
1466}
1467static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1468{
1469 return -EINVAL;
1470}
1471static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1472{
1473 return -EINVAL;
1474}
1475static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1476{
1477 return -EINVAL;
1478}
1479static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1480{
1481 return -EINVAL;
1482}
1483#endif
1484
1485#ifdef CONFIG_ACPI_PCC
1486void acpi_init_pcc(void);
1487#else
1488static inline void acpi_init_pcc(void) { }
1489#endif
1490
1491#ifdef CONFIG_ACPI
1492extern void acpi_device_notify(struct device *dev);
1493extern void acpi_device_notify_remove(struct device *dev);
1494#else
1495static inline void acpi_device_notify(struct device *dev) { }
1496static inline void acpi_device_notify_remove(struct device *dev) { }
1497#endif
1498
1499#endif /*_LINUX_ACPI_H*/