Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 */
7
8#ifndef _LINUX_ACPI_H
9#define _LINUX_ACPI_H
10
11#include <linux/errno.h>
12#include <linux/ioport.h> /* for struct resource */
13#include <linux/resource_ext.h>
14#include <linux/device.h>
15#include <linux/mod_devicetable.h>
16#include <linux/property.h>
17#include <linux/uuid.h>
18
19struct irq_domain;
20struct irq_domain_ops;
21
22#ifndef _LINUX
23#define _LINUX
24#endif
25#include <acpi/acpi.h>
26
27#ifdef CONFIG_ACPI
28
29#include <linux/list.h>
30#include <linux/dynamic_debug.h>
31#include <linux/module.h>
32#include <linux/mutex.h>
33
34#include <acpi/acpi_bus.h>
35#include <acpi/acpi_drivers.h>
36#include <acpi/acpi_numa.h>
37#include <acpi/acpi_io.h>
38#include <asm/acpi.h>
39
40static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
41{
42 return adev ? adev->handle : NULL;
43}
44
45#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
46#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
47 acpi_fwnode_handle(adev) : NULL)
48#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
49#define ACPI_HANDLE_FWNODE(fwnode) \
50 acpi_device_handle(to_acpi_device_node(fwnode))
51
52static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
53{
54 struct fwnode_handle *fwnode;
55
56 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
57 if (!fwnode)
58 return NULL;
59
60 fwnode_init(fwnode, &acpi_static_fwnode_ops);
61
62 return fwnode;
63}
64
65static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
66{
67 if (WARN_ON(!is_acpi_static_node(fwnode)))
68 return;
69
70 kfree(fwnode);
71}
72
73static inline bool has_acpi_companion(struct device *dev)
74{
75 return is_acpi_device_node(dev->fwnode);
76}
77
78static inline void acpi_preset_companion(struct device *dev,
79 struct acpi_device *parent, u64 addr)
80{
81 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
82}
83
84static inline const char *acpi_dev_name(struct acpi_device *adev)
85{
86 return dev_name(&adev->dev);
87}
88
89struct device *acpi_get_first_physical_node(struct acpi_device *adev);
90
91enum acpi_irq_model_id {
92 ACPI_IRQ_MODEL_PIC = 0,
93 ACPI_IRQ_MODEL_IOAPIC,
94 ACPI_IRQ_MODEL_IOSAPIC,
95 ACPI_IRQ_MODEL_PLATFORM,
96 ACPI_IRQ_MODEL_GIC,
97 ACPI_IRQ_MODEL_LPIC,
98 ACPI_IRQ_MODEL_COUNT
99};
100
101extern enum acpi_irq_model_id acpi_irq_model;
102
103enum acpi_interrupt_id {
104 ACPI_INTERRUPT_PMI = 1,
105 ACPI_INTERRUPT_INIT,
106 ACPI_INTERRUPT_CPEI,
107 ACPI_INTERRUPT_COUNT
108};
109
110#define ACPI_SPACE_MEM 0
111
112enum acpi_address_range_id {
113 ACPI_ADDRESS_RANGE_MEMORY = 1,
114 ACPI_ADDRESS_RANGE_RESERVED = 2,
115 ACPI_ADDRESS_RANGE_ACPI = 3,
116 ACPI_ADDRESS_RANGE_NVS = 4,
117 ACPI_ADDRESS_RANGE_COUNT
118};
119
120
121/* Table Handlers */
122union acpi_subtable_headers {
123 struct acpi_subtable_header common;
124 struct acpi_hmat_structure hmat;
125 struct acpi_prmt_module_header prmt;
126 struct acpi_cedt_header cedt;
127};
128
129typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
130
131typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
132 const unsigned long end);
133
134typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
135 void *arg, const unsigned long end);
136
137/* Debugger support */
138
139struct acpi_debugger_ops {
140 int (*create_thread)(acpi_osd_exec_callback function, void *context);
141 ssize_t (*write_log)(const char *msg);
142 ssize_t (*read_cmd)(char *buffer, size_t length);
143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
144 int (*notify_command_complete)(void);
145};
146
147struct acpi_debugger {
148 const struct acpi_debugger_ops *ops;
149 struct module *owner;
150 struct mutex lock;
151};
152
153#ifdef CONFIG_ACPI_DEBUGGER
154int __init acpi_debugger_init(void);
155int acpi_register_debugger(struct module *owner,
156 const struct acpi_debugger_ops *ops);
157void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
158int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
159ssize_t acpi_debugger_write_log(const char *msg);
160ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
161int acpi_debugger_wait_command_ready(void);
162int acpi_debugger_notify_command_complete(void);
163#else
164static inline int acpi_debugger_init(void)
165{
166 return -ENODEV;
167}
168
169static inline int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops)
171{
172 return -ENODEV;
173}
174
175static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
176{
177}
178
179static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
180 void *context)
181{
182 return -ENODEV;
183}
184
185static inline int acpi_debugger_write_log(const char *msg)
186{
187 return -ENODEV;
188}
189
190static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
191{
192 return -ENODEV;
193}
194
195static inline int acpi_debugger_wait_command_ready(void)
196{
197 return -ENODEV;
198}
199
200static inline int acpi_debugger_notify_command_complete(void)
201{
202 return -ENODEV;
203}
204#endif
205
206#define BAD_MADT_ENTRY(entry, end) ( \
207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
209
210struct acpi_subtable_proc {
211 int id;
212 acpi_tbl_entry_handler handler;
213 acpi_tbl_entry_handler_arg handler_arg;
214 void *arg;
215 int count;
216};
217
218void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
219void __acpi_unmap_table(void __iomem *map, unsigned long size);
220int early_acpi_boot_init(void);
221int acpi_boot_init (void);
222void acpi_boot_table_prepare (void);
223void acpi_boot_table_init (void);
224int acpi_mps_check (void);
225int acpi_numa_init (void);
226
227int acpi_locate_initial_tables (void);
228void acpi_reserve_initial_tables (void);
229void acpi_table_init_complete (void);
230int acpi_table_init (void);
231
232#ifdef CONFIG_ACPI_TABLE_LIB
233#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
234#define __init_or_acpilib
235#define __initdata_or_acpilib
236#else
237#define EXPORT_SYMBOL_ACPI_LIB(x)
238#define __init_or_acpilib __init
239#define __initdata_or_acpilib __initdata
240#endif
241
242int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
243int __init_or_acpilib acpi_table_parse_entries(char *id,
244 unsigned long table_size, int entry_id,
245 acpi_tbl_entry_handler handler, unsigned int max_entries);
246int __init_or_acpilib acpi_table_parse_entries_array(char *id,
247 unsigned long table_size, struct acpi_subtable_proc *proc,
248 int proc_num, unsigned int max_entries);
249int acpi_table_parse_madt(enum acpi_madt_type id,
250 acpi_tbl_entry_handler handler,
251 unsigned int max_entries);
252int __init_or_acpilib
253acpi_table_parse_cedt(enum acpi_cedt_type id,
254 acpi_tbl_entry_handler_arg handler_arg, void *arg);
255
256int acpi_parse_mcfg (struct acpi_table_header *header);
257void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
258
259/* the following numa functions are architecture-dependent */
260void acpi_numa_slit_init (struct acpi_table_slit *slit);
261
262#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
263void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
264#else
265static inline void
266acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
267#endif
268
269void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
270
271#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
272void acpi_arch_dma_setup(struct device *dev);
273#else
274static inline void acpi_arch_dma_setup(struct device *dev) { }
275#endif
276
277#ifdef CONFIG_ARM64
278void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
279#else
280static inline void
281acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
282#endif
283
284int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
285
286#ifndef PHYS_CPUID_INVALID
287typedef u32 phys_cpuid_t;
288#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
289#endif
290
291static inline bool invalid_logical_cpuid(u32 cpuid)
292{
293 return (int)cpuid < 0;
294}
295
296static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
297{
298 return phys_id == PHYS_CPUID_INVALID;
299}
300
301/* Validate the processor object's proc_id */
302bool acpi_duplicate_processor_id(int proc_id);
303/* Processor _CTS control */
304struct acpi_processor_power;
305
306#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
307bool acpi_processor_claim_cst_control(void);
308int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
309 struct acpi_processor_power *info);
310#else
311static inline bool acpi_processor_claim_cst_control(void) { return false; }
312static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
313 struct acpi_processor_power *info)
314{
315 return -ENODEV;
316}
317#endif
318
319#ifdef CONFIG_ACPI_HOTPLUG_CPU
320/* Arch dependent functions for cpu hotplug support */
321int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
322 int *pcpu);
323int acpi_unmap_cpu(int cpu);
324#endif /* CONFIG_ACPI_HOTPLUG_CPU */
325
326#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
327int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
328#endif
329
330int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
331int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
332int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
333void acpi_irq_stats_init(void);
334extern u32 acpi_irq_handled;
335extern u32 acpi_irq_not_handled;
336extern unsigned int acpi_sci_irq;
337extern bool acpi_no_s5;
338#define INVALID_ACPI_IRQ ((unsigned)-1)
339static inline bool acpi_sci_irq_valid(void)
340{
341 return acpi_sci_irq != INVALID_ACPI_IRQ;
342}
343
344extern int sbf_port;
345extern unsigned long acpi_realmode_flags;
346
347int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
348int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
349int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
350
351void acpi_set_irq_model(enum acpi_irq_model_id model,
352 struct fwnode_handle *(*)(u32));
353void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
354
355struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
356 unsigned int size,
357 struct fwnode_handle *fwnode,
358 const struct irq_domain_ops *ops,
359 void *host_data);
360
361#ifdef CONFIG_X86_IO_APIC
362extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
363#else
364static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
365{
366 return -1;
367}
368#endif
369/*
370 * This function undoes the effect of one call to acpi_register_gsi().
371 * If this matches the last registration, any IRQ resources for gsi
372 * are freed.
373 */
374void acpi_unregister_gsi (u32 gsi);
375
376struct pci_dev;
377
378int acpi_pci_irq_enable (struct pci_dev *dev);
379void acpi_penalize_isa_irq(int irq, int active);
380bool acpi_isa_irq_available(int irq);
381#ifdef CONFIG_PCI
382void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
383#else
384static inline void acpi_penalize_sci_irq(int irq, int trigger,
385 int polarity)
386{
387}
388#endif
389void acpi_pci_irq_disable (struct pci_dev *dev);
390
391extern int ec_read(u8 addr, u8 *val);
392extern int ec_write(u8 addr, u8 val);
393extern int ec_transaction(u8 command,
394 const u8 *wdata, unsigned wdata_len,
395 u8 *rdata, unsigned rdata_len);
396extern acpi_handle ec_get_handle(void);
397
398extern bool acpi_is_pnp_device(struct acpi_device *);
399
400#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
401
402typedef void (*wmi_notify_handler) (u32 value, void *context);
403
404int wmi_instance_count(const char *guid);
405
406extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
407 u32 method_id,
408 const struct acpi_buffer *in,
409 struct acpi_buffer *out);
410extern acpi_status wmi_query_block(const char *guid, u8 instance,
411 struct acpi_buffer *out);
412extern acpi_status wmi_set_block(const char *guid, u8 instance,
413 const struct acpi_buffer *in);
414extern acpi_status wmi_install_notify_handler(const char *guid,
415 wmi_notify_handler handler, void *data);
416extern acpi_status wmi_remove_notify_handler(const char *guid);
417extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
418extern bool wmi_has_guid(const char *guid);
419extern char *wmi_get_acpi_device_uid(const char *guid);
420
421#endif /* CONFIG_ACPI_WMI */
422
423#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
424#define ACPI_VIDEO_DEVICE_POSTING 0x0002
425#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
426#define ACPI_VIDEO_BACKLIGHT 0x0008
427#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
428#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
429#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
430#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
431#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
432#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
433#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
434#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
435
436extern char acpi_video_backlight_string[];
437extern long acpi_is_video_device(acpi_handle handle);
438extern int acpi_blacklisted(void);
439extern void acpi_osi_setup(char *str);
440extern bool acpi_osi_is_win8(void);
441
442#ifdef CONFIG_ACPI_NUMA
443int acpi_map_pxm_to_node(int pxm);
444int acpi_get_node(acpi_handle handle);
445
446/**
447 * pxm_to_online_node - Map proximity ID to online node
448 * @pxm: ACPI proximity ID
449 *
450 * This is similar to pxm_to_node(), but always returns an online
451 * node. When the mapped node from a given proximity ID is offline, it
452 * looks up the node distance table and returns the nearest online node.
453 *
454 * ACPI device drivers, which are called after the NUMA initialization has
455 * completed in the kernel, can call this interface to obtain their device
456 * NUMA topology from ACPI tables. Such drivers do not have to deal with
457 * offline nodes. A node may be offline when SRAT memory entry does not exist,
458 * or NUMA is disabled, ex. "numa=off" on x86.
459 */
460static inline int pxm_to_online_node(int pxm)
461{
462 int node = pxm_to_node(pxm);
463
464 return numa_map_to_online_node(node);
465}
466#else
467static inline int pxm_to_online_node(int pxm)
468{
469 return 0;
470}
471static inline int acpi_map_pxm_to_node(int pxm)
472{
473 return 0;
474}
475static inline int acpi_get_node(acpi_handle handle)
476{
477 return 0;
478}
479#endif
480extern int pnpacpi_disabled;
481
482#define PXM_INVAL (-1)
483
484bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
485bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
486bool acpi_dev_resource_address_space(struct acpi_resource *ares,
487 struct resource_win *win);
488bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
489 struct resource_win *win);
490unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
491unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
492bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
493 struct resource *res);
494
495void acpi_dev_free_resource_list(struct list_head *list);
496int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
497 int (*preproc)(struct acpi_resource *, void *),
498 void *preproc_data);
499int acpi_dev_get_dma_resources(struct acpi_device *adev,
500 struct list_head *list);
501int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
502int acpi_dev_filter_resource_type(struct acpi_resource *ares,
503 unsigned long types);
504
505static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
506 void *arg)
507{
508 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
509}
510
511struct acpi_device *acpi_resource_consumer(struct resource *res);
512
513int acpi_check_resource_conflict(const struct resource *res);
514
515int acpi_check_region(resource_size_t start, resource_size_t n,
516 const char *name);
517
518int acpi_resources_are_enforced(void);
519
520#ifdef CONFIG_HIBERNATION
521extern int acpi_check_s4_hw_signature;
522#endif
523
524#ifdef CONFIG_PM_SLEEP
525void __init acpi_old_suspend_ordering(void);
526void __init acpi_nvs_nosave(void);
527void __init acpi_nvs_nosave_s3(void);
528void __init acpi_sleep_no_blacklist(void);
529#endif /* CONFIG_PM_SLEEP */
530
531int acpi_register_wakeup_handler(
532 int wake_irq, bool (*wakeup)(void *context), void *context);
533void acpi_unregister_wakeup_handler(
534 bool (*wakeup)(void *context), void *context);
535
536struct acpi_osc_context {
537 char *uuid_str; /* UUID string */
538 int rev;
539 struct acpi_buffer cap; /* list of DWORD capabilities */
540 struct acpi_buffer ret; /* free by caller if success */
541};
542
543acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
544
545/* Number of _OSC capability DWORDS depends on bridge type */
546#define OSC_PCI_CAPABILITY_DWORDS 3
547#define OSC_CXL_CAPABILITY_DWORDS 5
548
549/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
550#define OSC_QUERY_DWORD 0 /* DWORD 1 */
551#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
552#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
553#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
554#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
555
556/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
557#define OSC_QUERY_ENABLE 0x00000001 /* input */
558#define OSC_REQUEST_ERROR 0x00000002 /* return */
559#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
560#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
561#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
562
563/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
564#define OSC_SB_PAD_SUPPORT 0x00000001
565#define OSC_SB_PPC_OST_SUPPORT 0x00000002
566#define OSC_SB_PR3_SUPPORT 0x00000004
567#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
568#define OSC_SB_APEI_SUPPORT 0x00000010
569#define OSC_SB_CPC_SUPPORT 0x00000020
570#define OSC_SB_CPCV2_SUPPORT 0x00000040
571#define OSC_SB_PCLPI_SUPPORT 0x00000080
572#define OSC_SB_OSLPI_SUPPORT 0x00000100
573#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
574#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
575#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
576#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
577#define OSC_SB_PRM_SUPPORT 0x00200000
578#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
579
580extern bool osc_sb_apei_support_acked;
581extern bool osc_pc_lpi_support_confirmed;
582extern bool osc_sb_native_usb4_support_confirmed;
583extern bool osc_sb_cppc2_support_acked;
584extern bool osc_cpc_flexible_adr_space_confirmed;
585
586/* USB4 Capabilities */
587#define OSC_USB_USB3_TUNNELING 0x00000001
588#define OSC_USB_DP_TUNNELING 0x00000002
589#define OSC_USB_PCIE_TUNNELING 0x00000004
590#define OSC_USB_XDOMAIN 0x00000008
591
592extern u32 osc_sb_native_usb4_control;
593
594/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
595#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
596#define OSC_PCI_ASPM_SUPPORT 0x00000002
597#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
598#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
599#define OSC_PCI_MSI_SUPPORT 0x00000010
600#define OSC_PCI_EDR_SUPPORT 0x00000080
601#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
602
603/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
604#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
605#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
606#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
607#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
608#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
609#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
610#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
611
612/* CXL _OSC: Capabilities DWORD 4: Support Field */
613#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
614#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
615#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
616#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
617
618/* CXL _OSC: Capabilities DWORD 5: Control Field */
619#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
620
621static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
622{
623 u32 *ret = context->ret.pointer;
624
625 return ret[OSC_CONTROL_DWORD];
626}
627
628static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
629{
630 u32 *ret = context->ret.pointer;
631
632 return ret[OSC_EXT_CONTROL_DWORD];
633}
634
635#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
636#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
637#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
638#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
639#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
640#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
641#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
642#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
643#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
644#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
645
646/* Enable _OST when all relevant hotplug operations are enabled */
647#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
648 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
649 defined(CONFIG_ACPI_CONTAINER)
650#define ACPI_HOTPLUG_OST
651#endif
652
653/* _OST Source Event Code (OSPM Action) */
654#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
655#define ACPI_OST_EC_OSPM_EJECT 0x103
656#define ACPI_OST_EC_OSPM_INSERTION 0x200
657
658/* _OST General Processing Status Code */
659#define ACPI_OST_SC_SUCCESS 0x0
660#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
661#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
662
663/* _OST OS Shutdown Processing (0x100) Status Code */
664#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
665#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
666#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
667#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
668
669/* _OST Ejection Request (0x3, 0x103) Status Code */
670#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
671#define ACPI_OST_SC_DEVICE_IN_USE 0x81
672#define ACPI_OST_SC_DEVICE_BUSY 0x82
673#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
674#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
675
676/* _OST Insertion Request (0x200) Status Code */
677#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
678#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
679#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
680
681enum acpi_predicate {
682 all_versions,
683 less_than_or_equal,
684 equal,
685 greater_than_or_equal,
686};
687
688/* Table must be terminted by a NULL entry */
689struct acpi_platform_list {
690 char oem_id[ACPI_OEM_ID_SIZE+1];
691 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
692 u32 oem_revision;
693 char *table;
694 enum acpi_predicate pred;
695 char *reason;
696 u32 data;
697};
698int acpi_match_platform_list(const struct acpi_platform_list *plat);
699
700extern void acpi_early_init(void);
701extern void acpi_subsystem_init(void);
702
703extern int acpi_nvs_register(__u64 start, __u64 size);
704
705extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
706 void *data);
707
708const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
709 const struct acpi_device *adev);
710
711const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
712 const struct device *dev);
713
714const void *acpi_device_get_match_data(const struct device *dev);
715extern bool acpi_driver_match_device(struct device *dev,
716 const struct device_driver *drv);
717int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
718int acpi_device_modalias(struct device *, char *, int);
719
720struct platform_device *acpi_create_platform_device(struct acpi_device *,
721 const struct property_entry *);
722#define ACPI_PTR(_ptr) (_ptr)
723
724static inline void acpi_device_set_enumerated(struct acpi_device *adev)
725{
726 adev->flags.visited = true;
727}
728
729static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
730{
731 adev->flags.visited = false;
732}
733
734enum acpi_reconfig_event {
735 ACPI_RECONFIG_DEVICE_ADD = 0,
736 ACPI_RECONFIG_DEVICE_REMOVE,
737};
738
739int acpi_reconfig_notifier_register(struct notifier_block *nb);
740int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
741
742#ifdef CONFIG_ACPI_GTDT
743int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
744int acpi_gtdt_map_ppi(int type);
745bool acpi_gtdt_c3stop(int type);
746int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
747#endif
748
749#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
750static inline void acpi_arch_set_root_pointer(u64 addr)
751{
752}
753#endif
754
755#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
756static inline u64 acpi_arch_get_root_pointer(void)
757{
758 return 0;
759}
760#endif
761
762int acpi_get_local_address(acpi_handle handle, u32 *addr);
763const char *acpi_get_subsystem_id(acpi_handle handle);
764
765#else /* !CONFIG_ACPI */
766
767#define acpi_disabled 1
768
769#define ACPI_COMPANION(dev) (NULL)
770#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
771#define ACPI_HANDLE(dev) (NULL)
772#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
773
774#include <acpi/acpi_numa.h>
775
776struct fwnode_handle;
777
778static inline bool acpi_dev_found(const char *hid)
779{
780 return false;
781}
782
783static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
784{
785 return false;
786}
787
788struct acpi_device;
789
790static inline bool
791acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
792{
793 return false;
794}
795
796static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
797{
798 return -ENODEV;
799}
800
801static inline struct acpi_device *
802acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
803{
804 return NULL;
805}
806
807static inline bool acpi_reduced_hardware(void)
808{
809 return false;
810}
811
812static inline void acpi_dev_put(struct acpi_device *adev) {}
813
814static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
815{
816 return false;
817}
818
819static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
820{
821 return false;
822}
823
824static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
825{
826 return NULL;
827}
828
829static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
830{
831 return false;
832}
833
834static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
835{
836 return NULL;
837}
838
839static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
840 const char *name)
841{
842 return false;
843}
844
845static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
846{
847 return NULL;
848}
849
850static inline bool has_acpi_companion(struct device *dev)
851{
852 return false;
853}
854
855static inline void acpi_preset_companion(struct device *dev,
856 struct acpi_device *parent, u64 addr)
857{
858}
859
860static inline const char *acpi_dev_name(struct acpi_device *adev)
861{
862 return NULL;
863}
864
865static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
866{
867 return NULL;
868}
869
870static inline void acpi_early_init(void) { }
871static inline void acpi_subsystem_init(void) { }
872
873static inline int early_acpi_boot_init(void)
874{
875 return 0;
876}
877static inline int acpi_boot_init(void)
878{
879 return 0;
880}
881
882static inline void acpi_boot_table_prepare(void)
883{
884}
885
886static inline void acpi_boot_table_init(void)
887{
888}
889
890static inline int acpi_mps_check(void)
891{
892 return 0;
893}
894
895static inline int acpi_check_resource_conflict(struct resource *res)
896{
897 return 0;
898}
899
900static inline int acpi_check_region(resource_size_t start, resource_size_t n,
901 const char *name)
902{
903 return 0;
904}
905
906struct acpi_table_header;
907static inline int acpi_table_parse(char *id,
908 int (*handler)(struct acpi_table_header *))
909{
910 return -ENODEV;
911}
912
913static inline int acpi_nvs_register(__u64 start, __u64 size)
914{
915 return 0;
916}
917
918static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
919 void *data)
920{
921 return 0;
922}
923
924struct acpi_device_id;
925
926static inline const struct acpi_device_id *acpi_match_acpi_device(
927 const struct acpi_device_id *ids, const struct acpi_device *adev)
928{
929 return NULL;
930}
931
932static inline const struct acpi_device_id *acpi_match_device(
933 const struct acpi_device_id *ids, const struct device *dev)
934{
935 return NULL;
936}
937
938static inline const void *acpi_device_get_match_data(const struct device *dev)
939{
940 return NULL;
941}
942
943static inline bool acpi_driver_match_device(struct device *dev,
944 const struct device_driver *drv)
945{
946 return false;
947}
948
949static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
950 u64 rev, u64 funcs)
951{
952 return false;
953}
954
955static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
956 const guid_t *guid,
957 u64 rev, u64 func,
958 union acpi_object *argv4)
959{
960 return NULL;
961}
962
963static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
964 const guid_t *guid,
965 u64 rev, u64 func,
966 union acpi_object *argv4,
967 acpi_object_type type)
968{
969 return NULL;
970}
971
972static inline int acpi_device_uevent_modalias(const struct device *dev,
973 struct kobj_uevent_env *env)
974{
975 return -ENODEV;
976}
977
978static inline int acpi_device_modalias(struct device *dev,
979 char *buf, int size)
980{
981 return -ENODEV;
982}
983
984static inline struct platform_device *
985acpi_create_platform_device(struct acpi_device *adev,
986 const struct property_entry *properties)
987{
988 return NULL;
989}
990
991static inline bool acpi_dma_supported(const struct acpi_device *adev)
992{
993 return false;
994}
995
996static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
997{
998 return DEV_DMA_NOT_SUPPORTED;
999}
1000
1001static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1002{
1003 return -ENODEV;
1004}
1005
1006static inline int acpi_dma_configure(struct device *dev,
1007 enum dev_dma_attr attr)
1008{
1009 return 0;
1010}
1011
1012static inline int acpi_dma_configure_id(struct device *dev,
1013 enum dev_dma_attr attr,
1014 const u32 *input_id)
1015{
1016 return 0;
1017}
1018
1019#define ACPI_PTR(_ptr) (NULL)
1020
1021static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1022{
1023}
1024
1025static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1026{
1027}
1028
1029static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1030{
1031 return -EINVAL;
1032}
1033
1034static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1035{
1036 return -EINVAL;
1037}
1038
1039static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1040{
1041 return NULL;
1042}
1043
1044static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1045{
1046 return -ENODEV;
1047}
1048
1049static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1050{
1051 return ERR_PTR(-ENODEV);
1052}
1053
1054static inline int acpi_register_wakeup_handler(int wake_irq,
1055 bool (*wakeup)(void *context), void *context)
1056{
1057 return -ENXIO;
1058}
1059
1060static inline void acpi_unregister_wakeup_handler(
1061 bool (*wakeup)(void *context), void *context) { }
1062
1063struct acpi_osc_context;
1064static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1065{
1066 return 0;
1067}
1068
1069static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1070{
1071 return 0;
1072}
1073
1074static inline bool acpi_sleep_state_supported(u8 sleep_state)
1075{
1076 return false;
1077}
1078
1079#endif /* !CONFIG_ACPI */
1080
1081extern void arch_post_acpi_subsys_init(void);
1082
1083#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1084int acpi_ioapic_add(acpi_handle root);
1085#else
1086static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1087#endif
1088
1089#ifdef CONFIG_ACPI
1090void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1091 u32 pm1a_ctrl, u32 pm1b_ctrl));
1092
1093acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1094 u32 pm1a_control, u32 pm1b_control);
1095
1096void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1097 u32 val_a, u32 val_b));
1098
1099acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1100 u32 val_a, u32 val_b);
1101#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1102struct acpi_s2idle_dev_ops {
1103 struct list_head list_node;
1104 void (*prepare)(void);
1105 void (*check)(void);
1106 void (*restore)(void);
1107};
1108int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1109void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1110int acpi_get_lps0_constraint(struct acpi_device *adev);
1111#else /* CONFIG_SUSPEND && CONFIG_X86 */
1112static inline int acpi_get_lps0_constraint(struct device *dev)
1113{
1114 return ACPI_STATE_UNKNOWN;
1115}
1116#endif /* CONFIG_SUSPEND && CONFIG_X86 */
1117#ifndef CONFIG_IA64
1118void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1119#else
1120static inline void arch_reserve_mem_area(acpi_physical_address addr,
1121 size_t size)
1122{
1123}
1124#endif /* CONFIG_X86 */
1125#else
1126#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1127#endif
1128
1129#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1130int acpi_dev_suspend(struct device *dev, bool wakeup);
1131int acpi_dev_resume(struct device *dev);
1132int acpi_subsys_runtime_suspend(struct device *dev);
1133int acpi_subsys_runtime_resume(struct device *dev);
1134int acpi_dev_pm_attach(struct device *dev, bool power_on);
1135bool acpi_storage_d3(struct device *dev);
1136bool acpi_dev_state_d0(struct device *dev);
1137#else
1138static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1139static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1140static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1141{
1142 return 0;
1143}
1144static inline bool acpi_storage_d3(struct device *dev)
1145{
1146 return false;
1147}
1148static inline bool acpi_dev_state_d0(struct device *dev)
1149{
1150 return true;
1151}
1152#endif
1153
1154#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1155int acpi_subsys_prepare(struct device *dev);
1156void acpi_subsys_complete(struct device *dev);
1157int acpi_subsys_suspend_late(struct device *dev);
1158int acpi_subsys_suspend_noirq(struct device *dev);
1159int acpi_subsys_suspend(struct device *dev);
1160int acpi_subsys_freeze(struct device *dev);
1161int acpi_subsys_poweroff(struct device *dev);
1162void acpi_ec_mark_gpe_for_wake(void);
1163void acpi_ec_set_gpe_wake_mask(u8 action);
1164int acpi_subsys_restore_early(struct device *dev);
1165#else
1166static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1167static inline void acpi_subsys_complete(struct device *dev) {}
1168static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1169static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1170static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1171static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1172static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1173static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1174static inline void acpi_ec_mark_gpe_for_wake(void) {}
1175static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1176#endif
1177
1178#ifdef CONFIG_ACPI
1179__printf(3, 4)
1180void acpi_handle_printk(const char *level, acpi_handle handle,
1181 const char *fmt, ...);
1182void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1183 acpi_status status);
1184#else /* !CONFIG_ACPI */
1185static inline __printf(3, 4) void
1186acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1187static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1188 const char *name,
1189 acpi_status status) {}
1190#endif /* !CONFIG_ACPI */
1191
1192#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1193__printf(3, 4)
1194void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1195#endif
1196
1197/*
1198 * acpi_handle_<level>: Print message with ACPI prefix and object path
1199 *
1200 * These interfaces acquire the global namespace mutex to obtain an object
1201 * path. In interrupt context, it shows the object path as <n/a>.
1202 */
1203#define acpi_handle_emerg(handle, fmt, ...) \
1204 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1205#define acpi_handle_alert(handle, fmt, ...) \
1206 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1207#define acpi_handle_crit(handle, fmt, ...) \
1208 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1209#define acpi_handle_err(handle, fmt, ...) \
1210 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1211#define acpi_handle_warn(handle, fmt, ...) \
1212 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1213#define acpi_handle_notice(handle, fmt, ...) \
1214 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1215#define acpi_handle_info(handle, fmt, ...) \
1216 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1217
1218#if defined(DEBUG)
1219#define acpi_handle_debug(handle, fmt, ...) \
1220 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1221#else
1222#if defined(CONFIG_DYNAMIC_DEBUG)
1223#define acpi_handle_debug(handle, fmt, ...) \
1224 _dynamic_func_call(fmt, __acpi_handle_debug, \
1225 handle, pr_fmt(fmt), ##__VA_ARGS__)
1226#else
1227#define acpi_handle_debug(handle, fmt, ...) \
1228({ \
1229 if (0) \
1230 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1231 0; \
1232})
1233#endif
1234#endif
1235
1236#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1237bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1238 struct acpi_resource_gpio **agpio);
1239bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1240 struct acpi_resource_gpio **agpio);
1241int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1242 bool *wake_capable);
1243#else
1244static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1245 struct acpi_resource_gpio **agpio)
1246{
1247 return false;
1248}
1249static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1250 struct acpi_resource_gpio **agpio)
1251{
1252 return false;
1253}
1254static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1255 int index, bool *wake_capable)
1256{
1257 return -ENXIO;
1258}
1259#endif
1260
1261static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1262 bool *wake_capable)
1263{
1264 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1265}
1266
1267static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1268 int index)
1269{
1270 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1271}
1272
1273static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1274{
1275 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1276}
1277
1278/* Device properties */
1279
1280#ifdef CONFIG_ACPI
1281int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1282 acpi_object_type type, const union acpi_object **obj);
1283int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1284 const char *name, size_t index, size_t num_args,
1285 struct fwnode_reference_args *args);
1286
1287static inline int acpi_node_get_property_reference(
1288 const struct fwnode_handle *fwnode,
1289 const char *name, size_t index,
1290 struct fwnode_reference_args *args)
1291{
1292 return __acpi_node_get_property_reference(fwnode, name, index,
1293 NR_FWNODE_REFERENCE_ARGS, args);
1294}
1295
1296static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1297{
1298 return !list_empty(&adev->data.properties);
1299}
1300
1301struct acpi_device_properties *
1302acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1303 union acpi_object *properties);
1304
1305int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1306 void **valptr);
1307
1308struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1309 struct fwnode_handle *child);
1310
1311struct acpi_probe_entry;
1312typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1313 struct acpi_probe_entry *);
1314
1315#define ACPI_TABLE_ID_LEN 5
1316
1317/**
1318 * struct acpi_probe_entry - boot-time probing entry
1319 * @id: ACPI table name
1320 * @type: Optional subtable type to match
1321 * (if @id contains subtables)
1322 * @subtable_valid: Optional callback to check the validity of
1323 * the subtable
1324 * @probe_table: Callback to the driver being probed when table
1325 * match is successful
1326 * @probe_subtbl: Callback to the driver being probed when table and
1327 * subtable match (and optional callback is successful)
1328 * @driver_data: Sideband data provided back to the driver
1329 */
1330struct acpi_probe_entry {
1331 __u8 id[ACPI_TABLE_ID_LEN];
1332 __u8 type;
1333 acpi_probe_entry_validate_subtbl subtable_valid;
1334 union {
1335 acpi_tbl_table_handler probe_table;
1336 acpi_tbl_entry_handler probe_subtbl;
1337 };
1338 kernel_ulong_t driver_data;
1339};
1340
1341#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1342 valid, data, fn) \
1343 static const struct acpi_probe_entry __acpi_probe_##name \
1344 __used __section("__" #table "_acpi_probe_table") = { \
1345 .id = table_id, \
1346 .type = subtable, \
1347 .subtable_valid = valid, \
1348 .probe_table = fn, \
1349 .driver_data = data, \
1350 }
1351
1352#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1353 subtable, valid, data, fn) \
1354 static const struct acpi_probe_entry __acpi_probe_##name \
1355 __used __section("__" #table "_acpi_probe_table") = { \
1356 .id = table_id, \
1357 .type = subtable, \
1358 .subtable_valid = valid, \
1359 .probe_subtbl = fn, \
1360 .driver_data = data, \
1361 }
1362
1363#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1364#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1365
1366int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1367
1368#define acpi_probe_device_table(t) \
1369 ({ \
1370 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1371 ACPI_PROBE_TABLE_END(t); \
1372 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1373 (&ACPI_PROBE_TABLE_END(t) - \
1374 &ACPI_PROBE_TABLE(t))); \
1375 })
1376#else
1377static inline int acpi_dev_get_property(struct acpi_device *adev,
1378 const char *name, acpi_object_type type,
1379 const union acpi_object **obj)
1380{
1381 return -ENXIO;
1382}
1383
1384static inline int
1385__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1386 const char *name, size_t index, size_t num_args,
1387 struct fwnode_reference_args *args)
1388{
1389 return -ENXIO;
1390}
1391
1392static inline int
1393acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1394 const char *name, size_t index,
1395 struct fwnode_reference_args *args)
1396{
1397 return -ENXIO;
1398}
1399
1400static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1401 const char *propname,
1402 void **valptr)
1403{
1404 return -ENXIO;
1405}
1406
1407static inline struct fwnode_handle *
1408acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1409 struct fwnode_handle *child)
1410{
1411 return NULL;
1412}
1413
1414static inline struct fwnode_handle *
1415acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1416 struct fwnode_handle *prev)
1417{
1418 return ERR_PTR(-ENXIO);
1419}
1420
1421static inline int
1422acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1423 struct fwnode_handle **remote,
1424 struct fwnode_handle **port,
1425 struct fwnode_handle **endpoint)
1426{
1427 return -ENXIO;
1428}
1429
1430#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1431 static const void * __acpi_table_##name[] \
1432 __attribute__((unused)) \
1433 = { (void *) table_id, \
1434 (void *) subtable, \
1435 (void *) valid, \
1436 (void *) fn, \
1437 (void *) data }
1438
1439#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1440#endif
1441
1442#ifdef CONFIG_ACPI_TABLE_UPGRADE
1443void acpi_table_upgrade(void);
1444#else
1445static inline void acpi_table_upgrade(void) { }
1446#endif
1447
1448#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1449extern bool acpi_has_watchdog(void);
1450#else
1451static inline bool acpi_has_watchdog(void) { return false; }
1452#endif
1453
1454#ifdef CONFIG_ACPI_SPCR_TABLE
1455extern bool qdf2400_e44_present;
1456int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1457#else
1458static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1459{
1460 return 0;
1461}
1462#endif
1463
1464#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1465int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1466#else
1467static inline
1468int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1469{
1470 return -EINVAL;
1471}
1472#endif
1473
1474#ifdef CONFIG_ACPI_LPIT
1475int lpit_read_residency_count_address(u64 *address);
1476#else
1477static inline int lpit_read_residency_count_address(u64 *address)
1478{
1479 return -EINVAL;
1480}
1481#endif
1482
1483#ifdef CONFIG_ACPI_PROCESSOR_IDLE
1484#ifndef arch_get_idle_state_flags
1485static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1486{
1487 return 0;
1488}
1489#endif
1490#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1491
1492#ifdef CONFIG_ACPI_PPTT
1493int acpi_pptt_cpu_is_thread(unsigned int cpu);
1494int find_acpi_cpu_topology(unsigned int cpu, int level);
1495int find_acpi_cpu_topology_cluster(unsigned int cpu);
1496int find_acpi_cpu_topology_package(unsigned int cpu);
1497int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1498#else
1499static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1500{
1501 return -EINVAL;
1502}
1503static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1504{
1505 return -EINVAL;
1506}
1507static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1508{
1509 return -EINVAL;
1510}
1511static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1512{
1513 return -EINVAL;
1514}
1515static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1516{
1517 return -EINVAL;
1518}
1519#endif
1520
1521#ifdef CONFIG_ARM64
1522void acpi_arm_init(void);
1523#else
1524static inline void acpi_arm_init(void) { }
1525#endif
1526
1527#ifdef CONFIG_ACPI_PCC
1528void acpi_init_pcc(void);
1529#else
1530static inline void acpi_init_pcc(void) { }
1531#endif
1532
1533#ifdef CONFIG_ACPI_FFH
1534void acpi_init_ffh(void);
1535extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1536 void **region_ctxt);
1537extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1538 void *region_context);
1539#else
1540static inline void acpi_init_ffh(void) { }
1541#endif
1542
1543#ifdef CONFIG_ACPI
1544extern void acpi_device_notify(struct device *dev);
1545extern void acpi_device_notify_remove(struct device *dev);
1546#else
1547static inline void acpi_device_notify(struct device *dev) { }
1548static inline void acpi_device_notify_remove(struct device *dev) { }
1549#endif
1550
1551#endif /*_LINUX_ACPI_H*/