1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 */
7
8#ifndef _LINUX_ACPI_H
9#define _LINUX_ACPI_H
10
11#include <linux/errno.h>
12#include <linux/ioport.h> /* for struct resource */
13#include <linux/resource_ext.h>
14#include <linux/device.h>
15#include <linux/mod_devicetable.h>
16#include <linux/property.h>
17#include <linux/uuid.h>
18#include <linux/node.h>
19
20struct irq_domain;
21struct irq_domain_ops;
22
23#ifndef _LINUX
24#define _LINUX
25#endif
26#include <acpi/acpi.h>
27#include <acpi/acpi_numa.h>
28
29#ifdef CONFIG_ACPI
30
31#include <linux/list.h>
32#include <linux/dynamic_debug.h>
33#include <linux/module.h>
34#include <linux/mutex.h>
35#include <linux/fw_table.h>
36
37#include <acpi/acpi_bus.h>
38#include <acpi/acpi_drivers.h>
39#include <acpi/acpi_io.h>
40#include <asm/acpi.h>
41
42#ifdef CONFIG_ACPI_TABLE_LIB
43#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
44#define __init_or_acpilib
45#define __initdata_or_acpilib
46#else
47#define EXPORT_SYMBOL_ACPI_LIB(x)
48#define __init_or_acpilib __init
49#define __initdata_or_acpilib __initdata
50#endif
51
52static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53{
54 return adev ? adev->handle : NULL;
55}
56
57#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
58#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61#define ACPI_HANDLE_FWNODE(fwnode) \
62 acpi_device_handle(to_acpi_device_node(fwnode))
63
64static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
65{
66 struct fwnode_handle *fwnode;
67
68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
69 if (!fwnode)
70 return NULL;
71
72 fwnode_init(fwnode, ops: &acpi_static_fwnode_ops);
73
74 return fwnode;
75}
76
77static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78{
79 if (WARN_ON(!is_acpi_static_node(fwnode)))
80 return;
81
82 kfree(objp: fwnode);
83}
84
85static inline bool has_acpi_companion(struct device *dev)
86{
87 return is_acpi_device_node(fwnode: dev->fwnode);
88}
89
90static inline void acpi_preset_companion(struct device *dev,
91 struct acpi_device *parent, u64 addr)
92{
93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
94}
95
96static inline const char *acpi_dev_name(struct acpi_device *adev)
97{
98 return dev_name(dev: &adev->dev);
99}
100
101struct device *acpi_get_first_physical_node(struct acpi_device *adev);
102
103enum acpi_irq_model_id {
104 ACPI_IRQ_MODEL_PIC = 0,
105 ACPI_IRQ_MODEL_IOAPIC,
106 ACPI_IRQ_MODEL_IOSAPIC,
107 ACPI_IRQ_MODEL_PLATFORM,
108 ACPI_IRQ_MODEL_GIC,
109 ACPI_IRQ_MODEL_LPIC,
110 ACPI_IRQ_MODEL_RINTC,
111 ACPI_IRQ_MODEL_COUNT
112};
113
114extern enum acpi_irq_model_id acpi_irq_model;
115
116enum acpi_interrupt_id {
117 ACPI_INTERRUPT_PMI = 1,
118 ACPI_INTERRUPT_INIT,
119 ACPI_INTERRUPT_CPEI,
120 ACPI_INTERRUPT_COUNT
121};
122
123#define ACPI_SPACE_MEM 0
124
125enum acpi_address_range_id {
126 ACPI_ADDRESS_RANGE_MEMORY = 1,
127 ACPI_ADDRESS_RANGE_RESERVED = 2,
128 ACPI_ADDRESS_RANGE_ACPI = 3,
129 ACPI_ADDRESS_RANGE_NVS = 4,
130 ACPI_ADDRESS_RANGE_COUNT
131};
132
133
134/* Table Handlers */
135typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
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
210void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
211void __acpi_unmap_table(void __iomem *map, unsigned long size);
212int early_acpi_boot_init(void);
213int acpi_boot_init (void);
214void acpi_boot_table_prepare (void);
215void acpi_boot_table_init (void);
216int acpi_mps_check (void);
217int acpi_numa_init (void);
218
219int acpi_locate_initial_tables (void);
220void acpi_reserve_initial_tables (void);
221void acpi_table_init_complete (void);
222int acpi_table_init (void);
223
224int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
225int __init_or_acpilib acpi_table_parse_entries(char *id,
226 unsigned long table_size, int entry_id,
227 acpi_tbl_entry_handler handler, unsigned int max_entries);
228int __init_or_acpilib acpi_table_parse_entries_array(char *id,
229 unsigned long table_size, struct acpi_subtable_proc *proc,
230 int proc_num, unsigned int max_entries);
231int acpi_table_parse_madt(enum acpi_madt_type id,
232 acpi_tbl_entry_handler handler,
233 unsigned int max_entries);
234int __init_or_acpilib
235acpi_table_parse_cedt(enum acpi_cedt_type id,
236 acpi_tbl_entry_handler_arg handler_arg, void *arg);
237
238int acpi_parse_mcfg (struct acpi_table_header *header);
239void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
240
241#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
242void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
243#else
244static inline void
245acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
246#endif
247
248void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
249
250#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
251void acpi_arch_dma_setup(struct device *dev);
252#else
253static inline void acpi_arch_dma_setup(struct device *dev) { }
254#endif
255
256#ifdef CONFIG_ARM64
257void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
258#else
259static inline void
260acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
261#endif
262
263#ifdef CONFIG_RISCV
264void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
265#else
266static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
267#endif
268
269#ifndef PHYS_CPUID_INVALID
270typedef u32 phys_cpuid_t;
271#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
272#endif
273
274static inline bool invalid_logical_cpuid(u32 cpuid)
275{
276 return (int)cpuid < 0;
277}
278
279static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
280{
281 return phys_id == PHYS_CPUID_INVALID;
282}
283
284
285int __init acpi_get_madt_revision(void);
286
287/* Validate the processor object's proc_id */
288bool acpi_duplicate_processor_id(int proc_id);
289/* Processor _CTS control */
290struct acpi_processor_power;
291
292#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
293bool acpi_processor_claim_cst_control(void);
294int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
295 struct acpi_processor_power *info);
296#else
297static inline bool acpi_processor_claim_cst_control(void) { return false; }
298static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
299 struct acpi_processor_power *info)
300{
301 return -ENODEV;
302}
303#endif
304
305#ifdef CONFIG_ACPI_HOTPLUG_CPU
306/* Arch dependent functions for cpu hotplug support */
307int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
308 int *pcpu);
309int acpi_unmap_cpu(int cpu);
310#endif /* CONFIG_ACPI_HOTPLUG_CPU */
311
312acpi_handle acpi_get_processor_handle(int cpu);
313
314#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
315int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
316#endif
317
318int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
319int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
320int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
321void acpi_irq_stats_init(void);
322extern u32 acpi_irq_handled;
323extern u32 acpi_irq_not_handled;
324extern unsigned int acpi_sci_irq;
325extern bool acpi_no_s5;
326#define INVALID_ACPI_IRQ ((unsigned)-1)
327static inline bool acpi_sci_irq_valid(void)
328{
329 return acpi_sci_irq != INVALID_ACPI_IRQ;
330}
331
332extern int sbf_port;
333
334int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
335int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
336int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
337
338typedef struct fwnode_handle *(*acpi_gsi_domain_disp_fn)(u32);
339
340void acpi_set_irq_model(enum acpi_irq_model_id model,
341 acpi_gsi_domain_disp_fn fn);
342acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void);
343void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
344
345struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
346 unsigned int size,
347 struct fwnode_handle *fwnode,
348 const struct irq_domain_ops *ops,
349 void *host_data);
350
351#ifdef CONFIG_X86_IO_APIC
352extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
353#else
354static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
355{
356 return -1;
357}
358#endif
359/*
360 * This function undoes the effect of one call to acpi_register_gsi().
361 * If this matches the last registration, any IRQ resources for gsi
362 * are freed.
363 */
364void acpi_unregister_gsi (u32 gsi);
365
366struct pci_dev;
367
368struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);
369int acpi_pci_irq_enable (struct pci_dev *dev);
370void acpi_penalize_isa_irq(int irq, int active);
371bool acpi_isa_irq_available(int irq);
372#ifdef CONFIG_PCI
373void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
374#else
375static inline void acpi_penalize_sci_irq(int irq, int trigger,
376 int polarity)
377{
378}
379#endif
380void acpi_pci_irq_disable (struct pci_dev *dev);
381
382extern int ec_read(u8 addr, u8 *val);
383extern int ec_write(u8 addr, u8 val);
384extern int ec_transaction(u8 command,
385 const u8 *wdata, unsigned wdata_len,
386 u8 *rdata, unsigned rdata_len);
387extern acpi_handle ec_get_handle(void);
388
389extern bool acpi_is_pnp_device(struct acpi_device *);
390
391#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
392
393typedef void (*wmi_notify_handler) (union acpi_object *data, void *context);
394
395int wmi_instance_count(const char *guid);
396
397extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
398 u32 method_id,
399 const struct acpi_buffer *in,
400 struct acpi_buffer *out);
401extern acpi_status wmi_query_block(const char *guid, u8 instance,
402 struct acpi_buffer *out);
403extern acpi_status wmi_set_block(const char *guid, u8 instance,
404 const struct acpi_buffer *in);
405extern acpi_status wmi_install_notify_handler(const char *guid,
406 wmi_notify_handler handler, void *data);
407extern acpi_status wmi_remove_notify_handler(const char *guid);
408extern bool wmi_has_guid(const char *guid);
409extern char *wmi_get_acpi_device_uid(const char *guid);
410
411#endif /* CONFIG_ACPI_WMI */
412
413#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
414#define ACPI_VIDEO_DEVICE_POSTING 0x0002
415#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
416#define ACPI_VIDEO_BACKLIGHT 0x0008
417#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
418#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
419#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
420#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
421#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
422#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
423#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
424#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
425
426extern char acpi_video_backlight_string[];
427extern long acpi_is_video_device(acpi_handle handle);
428
429extern void acpi_osi_setup(char *str);
430extern bool acpi_osi_is_win8(void);
431
432#ifdef CONFIG_ACPI_THERMAL_LIB
433int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
434int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
435int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
436int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
437#endif
438
439#ifdef CONFIG_ACPI_HMAT
440int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
441#else
442static inline int acpi_get_genport_coordinates(u32 uid,
443 struct access_coordinate *coord)
444{
445 return -EOPNOTSUPP;
446}
447#endif
448
449#ifdef CONFIG_ACPI_NUMA
450int acpi_map_pxm_to_node(int pxm);
451int acpi_get_node(acpi_handle handle);
452
453/**
454 * pxm_to_online_node - Map proximity ID to online node
455 * @pxm: ACPI proximity ID
456 *
457 * This is similar to pxm_to_node(), but always returns an online
458 * node. When the mapped node from a given proximity ID is offline, it
459 * looks up the node distance table and returns the nearest online node.
460 *
461 * ACPI device drivers, which are called after the NUMA initialization has
462 * completed in the kernel, can call this interface to obtain their device
463 * NUMA topology from ACPI tables. Such drivers do not have to deal with
464 * offline nodes. A node may be offline when SRAT memory entry does not exist,
465 * or NUMA is disabled, ex. "numa=off" on x86.
466 */
467static inline int pxm_to_online_node(int pxm)
468{
469 int node = pxm_to_node(pxm);
470
471 return numa_map_to_online_node(node);
472}
473#else
474static inline int pxm_to_online_node(int pxm)
475{
476 return 0;
477}
478static inline int acpi_map_pxm_to_node(int pxm)
479{
480 return 0;
481}
482static inline int acpi_get_node(acpi_handle handle)
483{
484 return 0;
485}
486#endif
487extern int pnpacpi_disabled;
488
489#define PXM_INVAL (-1)
490
491bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
492bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
493bool acpi_dev_resource_address_space(struct acpi_resource *ares,
494 struct resource_win *win);
495bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
496 struct resource_win *win);
497unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
498unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
499bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
500 struct resource *res);
501
502void acpi_dev_free_resource_list(struct list_head *list);
503int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
504 int (*preproc)(struct acpi_resource *, void *),
505 void *preproc_data);
506int acpi_dev_get_dma_resources(struct acpi_device *adev,
507 struct list_head *list);
508int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
509int acpi_dev_filter_resource_type(struct acpi_resource *ares,
510 unsigned long types);
511
512static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
513 void *arg)
514{
515 return acpi_dev_filter_resource_type(ares, types: (unsigned long)arg);
516}
517
518struct acpi_device *acpi_resource_consumer(struct resource *res);
519
520int acpi_check_resource_conflict(const struct resource *res);
521
522int acpi_check_region(resource_size_t start, resource_size_t n,
523 const char *name);
524
525int acpi_resources_are_enforced(void);
526
527#ifdef CONFIG_HIBERNATION
528extern int acpi_check_s4_hw_signature;
529#endif
530
531#ifdef CONFIG_PM_SLEEP
532void __init acpi_old_suspend_ordering(void);
533void __init acpi_nvs_nosave(void);
534void __init acpi_nvs_nosave_s3(void);
535void __init acpi_sleep_no_blacklist(void);
536#endif /* CONFIG_PM_SLEEP */
537
538int acpi_register_wakeup_handler(
539 int wake_irq, bool (*wakeup)(void *context), void *context);
540void acpi_unregister_wakeup_handler(
541 bool (*wakeup)(void *context), void *context);
542
543struct acpi_osc_context {
544 char *uuid_str; /* UUID string */
545 int rev;
546 struct acpi_buffer cap; /* list of DWORD capabilities */
547 struct acpi_buffer ret; /* free by caller if success */
548};
549
550acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
551
552/* Number of _OSC capability DWORDS depends on bridge type */
553#define OSC_PCI_CAPABILITY_DWORDS 3
554#define OSC_CXL_CAPABILITY_DWORDS 5
555
556/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
557#define OSC_QUERY_DWORD 0 /* DWORD 1 */
558#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
559#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
560#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
561#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
562
563/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
564#define OSC_QUERY_ENABLE 0x00000001 /* input */
565#define OSC_REQUEST_ERROR 0x00000002 /* return */
566#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
567#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
568#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
569
570/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
571#define OSC_SB_PAD_SUPPORT 0x00000001
572#define OSC_SB_PPC_OST_SUPPORT 0x00000002
573#define OSC_SB_PR3_SUPPORT 0x00000004
574#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
575#define OSC_SB_APEI_SUPPORT 0x00000010
576#define OSC_SB_CPC_SUPPORT 0x00000020
577#define OSC_SB_CPCV2_SUPPORT 0x00000040
578#define OSC_SB_PCLPI_SUPPORT 0x00000080
579#define OSC_SB_OSLPI_SUPPORT 0x00000100
580#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
581#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
582#define OSC_SB_GED_SUPPORT 0x00000800
583#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
584#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
585#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
586#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
587#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
588#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
589#define OSC_SB_PRM_SUPPORT 0x00200000
590#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
591
592extern bool osc_sb_apei_support_acked;
593extern bool osc_pc_lpi_support_confirmed;
594extern bool osc_sb_native_usb4_support_confirmed;
595extern bool osc_sb_cppc2_support_acked;
596extern bool osc_cpc_flexible_adr_space_confirmed;
597
598/* USB4 Capabilities */
599#define OSC_USB_USB3_TUNNELING 0x00000001
600#define OSC_USB_DP_TUNNELING 0x00000002
601#define OSC_USB_PCIE_TUNNELING 0x00000004
602#define OSC_USB_XDOMAIN 0x00000008
603
604extern u32 osc_sb_native_usb4_control;
605
606/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
607#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
608#define OSC_PCI_ASPM_SUPPORT 0x00000002
609#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
610#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
611#define OSC_PCI_MSI_SUPPORT 0x00000010
612#define OSC_PCI_EDR_SUPPORT 0x00000080
613#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
614
615/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
616#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
617#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
618#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
619#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
620#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
621#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
622#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
623
624/* CXL _OSC: Capabilities DWORD 4: Support Field */
625#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
626#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
627#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
628#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
629
630/* CXL _OSC: Capabilities DWORD 5: Control Field */
631#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
632
633static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
634{
635 u32 *ret = context->ret.pointer;
636
637 return ret[OSC_CONTROL_DWORD];
638}
639
640static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
641{
642 u32 *ret = context->ret.pointer;
643
644 return ret[OSC_EXT_CONTROL_DWORD];
645}
646
647#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
648#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
649#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
650#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
651#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
652#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
653#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
654#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
655#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
656#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
657
658/* Enable _OST when all relevant hotplug operations are enabled */
659#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
660 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
661 defined(CONFIG_ACPI_CONTAINER)
662#define ACPI_HOTPLUG_OST
663#endif
664
665/* _OST Source Event Code (OSPM Action) */
666#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
667#define ACPI_OST_EC_OSPM_EJECT 0x103
668#define ACPI_OST_EC_OSPM_INSERTION 0x200
669
670/* _OST General Processing Status Code */
671#define ACPI_OST_SC_SUCCESS 0x0
672#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
673#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
674
675/* _OST OS Shutdown Processing (0x100) Status Code */
676#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
677#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
678#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
679#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
680
681/* _OST Ejection Request (0x3, 0x103) Status Code */
682#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
683#define ACPI_OST_SC_DEVICE_IN_USE 0x81
684#define ACPI_OST_SC_DEVICE_BUSY 0x82
685#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
686#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
687
688/* _OST Insertion Request (0x200) Status Code */
689#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
690#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
691#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
692
693enum acpi_predicate {
694 all_versions,
695 less_than_or_equal,
696 equal,
697 greater_than_or_equal,
698};
699
700/* Table must be terminted by a NULL entry */
701struct acpi_platform_list {
702 char oem_id[ACPI_OEM_ID_SIZE+1];
703 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
704 u32 oem_revision;
705 char *table;
706 enum acpi_predicate pred;
707 char *reason;
708 u32 data;
709};
710int acpi_match_platform_list(const struct acpi_platform_list *plat);
711
712extern void acpi_early_init(void);
713extern void acpi_subsystem_init(void);
714
715extern int acpi_nvs_register(__u64 start, __u64 size);
716
717extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
718 void *data);
719
720const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
721 const struct acpi_device *adev);
722
723const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
724 const struct device *dev);
725
726const void *acpi_device_get_match_data(const struct device *dev);
727extern bool acpi_driver_match_device(struct device *dev,
728 const struct device_driver *drv);
729int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
730int acpi_device_modalias(struct device *, char *, int);
731
732struct platform_device *acpi_create_platform_device(struct acpi_device *,
733 const struct property_entry *);
734#define ACPI_PTR(_ptr) (_ptr)
735
736static inline void acpi_device_set_enumerated(struct acpi_device *adev)
737{
738 adev->flags.visited = true;
739}
740
741static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
742{
743 adev->flags.visited = false;
744}
745
746enum acpi_reconfig_event {
747 ACPI_RECONFIG_DEVICE_ADD = 0,
748 ACPI_RECONFIG_DEVICE_REMOVE,
749};
750
751int acpi_reconfig_notifier_register(struct notifier_block *nb);
752int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
753
754#ifdef CONFIG_ACPI_GTDT
755int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
756int acpi_gtdt_map_ppi(int type);
757bool acpi_gtdt_c3stop(int type);
758int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
759#endif
760
761#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
762static __always_inline void acpi_arch_set_root_pointer(u64 addr)
763{
764}
765#endif
766
767#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
768static __always_inline u64 acpi_arch_get_root_pointer(void)
769{
770 return 0;
771}
772#endif
773
774int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
775int acpi_get_local_address(acpi_handle handle, u32 *addr);
776const char *acpi_get_subsystem_id(acpi_handle handle);
777
778#ifdef CONFIG_ACPI_MRRM
779int acpi_mrrm_max_mem_region(void);
780#endif
781
782#else /* !CONFIG_ACPI */
783
784#define acpi_disabled 1
785
786#define ACPI_COMPANION(dev) (NULL)
787#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
788#define ACPI_HANDLE(dev) (NULL)
789#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
790
791/* Get rid of the -Wunused-variable for adev */
792#define acpi_dev_uid_match(adev, uid2) (adev && false)
793#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
794
795struct fwnode_handle;
796
797static inline bool acpi_dev_found(const char *hid)
798{
799 return false;
800}
801
802static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
803{
804 return false;
805}
806
807struct acpi_device;
808
809static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
810{
811 return -ENODEV;
812}
813
814static inline struct acpi_device *
815acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
816{
817 return NULL;
818}
819
820static inline bool acpi_reduced_hardware(void)
821{
822 return false;
823}
824
825static inline void acpi_dev_put(struct acpi_device *adev) {}
826
827static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
828{
829 return false;
830}
831
832static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
833{
834 return false;
835}
836
837static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
838{
839 return NULL;
840}
841
842static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
843{
844 return false;
845}
846
847static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
848{
849 return NULL;
850}
851
852static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
853 const char *name)
854{
855 return false;
856}
857
858static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
859{
860 return NULL;
861}
862
863static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
864{
865 return NULL;
866}
867
868static inline bool has_acpi_companion(struct device *dev)
869{
870 return false;
871}
872
873static inline void acpi_preset_companion(struct device *dev,
874 struct acpi_device *parent, u64 addr)
875{
876}
877
878static inline const char *acpi_dev_name(struct acpi_device *adev)
879{
880 return NULL;
881}
882
883static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
884{
885 return NULL;
886}
887
888static inline void acpi_early_init(void) { }
889static inline void acpi_subsystem_init(void) { }
890
891static inline int early_acpi_boot_init(void)
892{
893 return 0;
894}
895static inline int acpi_boot_init(void)
896{
897 return 0;
898}
899
900static inline void acpi_boot_table_prepare(void)
901{
902}
903
904static inline void acpi_boot_table_init(void)
905{
906}
907
908static inline int acpi_mps_check(void)
909{
910 return 0;
911}
912
913static inline int acpi_check_resource_conflict(struct resource *res)
914{
915 return 0;
916}
917
918static inline int acpi_check_region(resource_size_t start, resource_size_t n,
919 const char *name)
920{
921 return 0;
922}
923
924struct acpi_table_header;
925static inline int acpi_table_parse(char *id,
926 int (*handler)(struct acpi_table_header *))
927{
928 return -ENODEV;
929}
930
931static inline int acpi_nvs_register(__u64 start, __u64 size)
932{
933 return 0;
934}
935
936static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
937 void *data)
938{
939 return 0;
940}
941
942struct acpi_device_id;
943
944static inline const struct acpi_device_id *acpi_match_acpi_device(
945 const struct acpi_device_id *ids, const struct acpi_device *adev)
946{
947 return NULL;
948}
949
950static inline const struct acpi_device_id *acpi_match_device(
951 const struct acpi_device_id *ids, const struct device *dev)
952{
953 return NULL;
954}
955
956static inline const void *acpi_device_get_match_data(const struct device *dev)
957{
958 return NULL;
959}
960
961static inline bool acpi_driver_match_device(struct device *dev,
962 const struct device_driver *drv)
963{
964 return false;
965}
966
967static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
968 u64 rev, u64 funcs)
969{
970 return false;
971}
972
973static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
974 const guid_t *guid,
975 u64 rev, u64 func,
976 union acpi_object *argv4)
977{
978 return NULL;
979}
980
981static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
982 const guid_t *guid,
983 u64 rev, u64 func,
984 union acpi_object *argv4,
985 acpi_object_type type)
986{
987 return NULL;
988}
989
990static inline int acpi_device_uevent_modalias(const struct device *dev,
991 struct kobj_uevent_env *env)
992{
993 return -ENODEV;
994}
995
996static inline int acpi_device_modalias(struct device *dev,
997 char *buf, int size)
998{
999 return -ENODEV;
1000}
1001
1002static inline struct platform_device *
1003acpi_create_platform_device(struct acpi_device *adev,
1004 const struct property_entry *properties)
1005{
1006 return NULL;
1007}
1008
1009static inline bool acpi_dma_supported(const struct acpi_device *adev)
1010{
1011 return false;
1012}
1013
1014static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1015{
1016 return DEV_DMA_NOT_SUPPORTED;
1017}
1018
1019static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1020{
1021 return -ENODEV;
1022}
1023
1024static inline int acpi_dma_configure(struct device *dev,
1025 enum dev_dma_attr attr)
1026{
1027 return 0;
1028}
1029
1030static inline int acpi_dma_configure_id(struct device *dev,
1031 enum dev_dma_attr attr,
1032 const u32 *input_id)
1033{
1034 return 0;
1035}
1036
1037#define ACPI_PTR(_ptr) (NULL)
1038
1039static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1040{
1041}
1042
1043static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1044{
1045}
1046
1047static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1048{
1049 return -EINVAL;
1050}
1051
1052static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1053{
1054 return -EINVAL;
1055}
1056
1057static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1058{
1059 return NULL;
1060}
1061
1062static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1063{
1064 return -ENODEV;
1065}
1066
1067static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1068{
1069 return ERR_PTR(-ENODEV);
1070}
1071
1072static inline int acpi_register_wakeup_handler(int wake_irq,
1073 bool (*wakeup)(void *context), void *context)
1074{
1075 return -ENXIO;
1076}
1077
1078static inline void acpi_unregister_wakeup_handler(
1079 bool (*wakeup)(void *context), void *context) { }
1080
1081struct acpi_osc_context;
1082static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1083{
1084 return 0;
1085}
1086
1087static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1088{
1089 return 0;
1090}
1091
1092static inline bool acpi_sleep_state_supported(u8 sleep_state)
1093{
1094 return false;
1095}
1096
1097static inline acpi_handle acpi_get_processor_handle(int cpu)
1098{
1099 return NULL;
1100}
1101
1102static inline int acpi_mrrm_max_mem_region(void)
1103{
1104 return 1;
1105}
1106
1107#endif /* !CONFIG_ACPI */
1108
1109#ifdef CONFIG_ACPI_HMAT
1110int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
1111 resource_size_t *size);
1112#else
1113static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
1114 int nid, resource_size_t *size)
1115{
1116 return -EOPNOTSUPP;
1117}
1118#endif
1119
1120extern void arch_post_acpi_subsys_init(void);
1121
1122#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1123int acpi_ioapic_add(acpi_handle root);
1124#else
1125static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1126#endif
1127
1128#ifdef CONFIG_ACPI
1129void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1130 u32 pm1a_ctrl, u32 pm1b_ctrl));
1131
1132acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1133 u32 pm1a_control, u32 pm1b_control);
1134
1135void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1136 u32 val_a, u32 val_b));
1137
1138acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1139 u32 val_a, u32 val_b);
1140struct acpi_s2idle_dev_ops {
1141 struct list_head list_node;
1142 void (*prepare)(void);
1143 void (*check)(void);
1144 void (*restore)(void);
1145};
1146#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1147int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1148void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1149int acpi_get_lps0_constraint(struct acpi_device *adev);
1150#else /* CONFIG_SUSPEND && CONFIG_X86 */
1151static inline int acpi_get_lps0_constraint(struct device *dev)
1152{
1153 return ACPI_STATE_UNKNOWN;
1154}
1155static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1156{
1157 return -ENODEV;
1158}
1159static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1160{
1161}
1162#endif /* CONFIG_SUSPEND && CONFIG_X86 */
1163void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1164#else
1165#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1166#endif
1167
1168#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1169int acpi_dev_suspend(struct device *dev, bool wakeup);
1170int acpi_dev_resume(struct device *dev);
1171int acpi_subsys_runtime_suspend(struct device *dev);
1172int acpi_subsys_runtime_resume(struct device *dev);
1173int acpi_dev_pm_attach(struct device *dev, bool power_on);
1174bool acpi_storage_d3(struct device *dev);
1175bool acpi_dev_state_d0(struct device *dev);
1176#else
1177static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1178static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1179static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1180{
1181 return 0;
1182}
1183static inline bool acpi_storage_d3(struct device *dev)
1184{
1185 return false;
1186}
1187static inline bool acpi_dev_state_d0(struct device *dev)
1188{
1189 return true;
1190}
1191#endif
1192
1193#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1194int acpi_subsys_prepare(struct device *dev);
1195void acpi_subsys_complete(struct device *dev);
1196int acpi_subsys_suspend_late(struct device *dev);
1197int acpi_subsys_suspend_noirq(struct device *dev);
1198int acpi_subsys_suspend(struct device *dev);
1199int acpi_subsys_freeze(struct device *dev);
1200int acpi_subsys_poweroff(struct device *dev);
1201int acpi_subsys_restore_early(struct device *dev);
1202#else
1203static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1204static inline void acpi_subsys_complete(struct device *dev) {}
1205static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1206static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1207static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1208static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1209static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1210static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1211#endif
1212
1213#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
1214void acpi_ec_mark_gpe_for_wake(void);
1215void acpi_ec_set_gpe_wake_mask(u8 action);
1216#else
1217static inline void acpi_ec_mark_gpe_for_wake(void) {}
1218static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1219#endif
1220
1221#ifdef CONFIG_ACPI
1222char *acpi_handle_path(acpi_handle handle);
1223__printf(3, 4)
1224void acpi_handle_printk(const char *level, acpi_handle handle,
1225 const char *fmt, ...);
1226void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1227 acpi_status status);
1228#else /* !CONFIG_ACPI */
1229static inline __printf(3, 4) void
1230acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1231static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1232 const char *name,
1233 acpi_status status) {}
1234#endif /* !CONFIG_ACPI */
1235
1236#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1237__printf(3, 4)
1238void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1239#endif
1240
1241/*
1242 * acpi_handle_<level>: Print message with ACPI prefix and object path
1243 *
1244 * These interfaces acquire the global namespace mutex to obtain an object
1245 * path. In interrupt context, it shows the object path as <n/a>.
1246 */
1247#define acpi_handle_emerg(handle, fmt, ...) \
1248 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1249#define acpi_handle_alert(handle, fmt, ...) \
1250 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1251#define acpi_handle_crit(handle, fmt, ...) \
1252 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1253#define acpi_handle_err(handle, fmt, ...) \
1254 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1255#define acpi_handle_warn(handle, fmt, ...) \
1256 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1257#define acpi_handle_notice(handle, fmt, ...) \
1258 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1259#define acpi_handle_info(handle, fmt, ...) \
1260 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1261
1262#if defined(DEBUG)
1263#define acpi_handle_debug(handle, fmt, ...) \
1264 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1265#else
1266#if defined(CONFIG_DYNAMIC_DEBUG)
1267#define acpi_handle_debug(handle, fmt, ...) \
1268 _dynamic_func_call(fmt, __acpi_handle_debug, \
1269 handle, pr_fmt(fmt), ##__VA_ARGS__)
1270#else
1271#define acpi_handle_debug(handle, fmt, ...) \
1272({ \
1273 if (0) \
1274 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1275 0; \
1276})
1277#endif
1278#endif
1279
1280#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1281bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1282 struct acpi_resource_gpio **agpio);
1283bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1284 struct acpi_resource_gpio **agpio);
1285int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1286 bool *wake_capable);
1287#else
1288static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1289 struct acpi_resource_gpio **agpio)
1290{
1291 return false;
1292}
1293static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1294 struct acpi_resource_gpio **agpio)
1295{
1296 return false;
1297}
1298static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1299 int index, bool *wake_capable)
1300{
1301 return -ENXIO;
1302}
1303#endif
1304
1305static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1306 bool *wake_capable)
1307{
1308 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1309}
1310
1311static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1312 int index)
1313{
1314 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1315}
1316
1317static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1318{
1319 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1320}
1321
1322/* Device properties */
1323
1324#ifdef CONFIG_ACPI
1325int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1326 acpi_object_type type, const union acpi_object **obj);
1327int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1328 const char *name, size_t index, size_t num_args,
1329 struct fwnode_reference_args *args);
1330
1331static inline int acpi_node_get_property_reference(
1332 const struct fwnode_handle *fwnode,
1333 const char *name, size_t index,
1334 struct fwnode_reference_args *args)
1335{
1336 return __acpi_node_get_property_reference(fwnode, name, index,
1337 NR_FWNODE_REFERENCE_ARGS, args);
1338}
1339
1340static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1341{
1342 return !list_empty(head: &adev->data.properties);
1343}
1344
1345struct acpi_device_properties *
1346acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1347 union acpi_object *properties);
1348
1349int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1350 void **valptr);
1351
1352struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1353 struct fwnode_handle *child);
1354
1355struct acpi_probe_entry;
1356typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1357 struct acpi_probe_entry *);
1358
1359#define ACPI_TABLE_ID_LEN 5
1360
1361/**
1362 * struct acpi_probe_entry - boot-time probing entry
1363 * @id: ACPI table name
1364 * @type: Optional subtable type to match
1365 * (if @id contains subtables)
1366 * @subtable_valid: Optional callback to check the validity of
1367 * the subtable
1368 * @probe_table: Callback to the driver being probed when table
1369 * match is successful
1370 * @probe_subtbl: Callback to the driver being probed when table and
1371 * subtable match (and optional callback is successful)
1372 * @driver_data: Sideband data provided back to the driver
1373 */
1374struct acpi_probe_entry {
1375 __u8 id[ACPI_TABLE_ID_LEN];
1376 __u8 type;
1377 acpi_probe_entry_validate_subtbl subtable_valid;
1378 union {
1379 acpi_tbl_table_handler probe_table;
1380 acpi_tbl_entry_handler probe_subtbl;
1381 };
1382 kernel_ulong_t driver_data;
1383};
1384
1385void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr);
1386
1387#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1388 valid, data, fn) \
1389 static const struct acpi_probe_entry __acpi_probe_##name \
1390 __used __section("__" #table "_acpi_probe_table") = { \
1391 .id = table_id, \
1392 .type = subtable, \
1393 .subtable_valid = valid, \
1394 .probe_table = fn, \
1395 .driver_data = data, \
1396 }
1397
1398#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1399 subtable, valid, data, fn) \
1400 static const struct acpi_probe_entry __acpi_probe_##name \
1401 __used __section("__" #table "_acpi_probe_table") = { \
1402 .id = table_id, \
1403 .type = subtable, \
1404 .subtable_valid = valid, \
1405 .probe_subtbl = fn, \
1406 .driver_data = data, \
1407 }
1408
1409#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1410#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1411
1412int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1413
1414#define acpi_probe_device_table(t) \
1415 ({ \
1416 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1417 ACPI_PROBE_TABLE_END(t); \
1418 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1419 (&ACPI_PROBE_TABLE_END(t) - \
1420 &ACPI_PROBE_TABLE(t))); \
1421 })
1422#else
1423static inline int acpi_dev_get_property(struct acpi_device *adev,
1424 const char *name, acpi_object_type type,
1425 const union acpi_object **obj)
1426{
1427 return -ENXIO;
1428}
1429
1430static inline int
1431__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1432 const char *name, size_t index, size_t num_args,
1433 struct fwnode_reference_args *args)
1434{
1435 return -ENXIO;
1436}
1437
1438static inline int
1439acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1440 const char *name, size_t index,
1441 struct fwnode_reference_args *args)
1442{
1443 return -ENXIO;
1444}
1445
1446static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1447 const char *propname,
1448 void **valptr)
1449{
1450 return -ENXIO;
1451}
1452
1453static inline struct fwnode_handle *
1454acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1455 struct fwnode_handle *child)
1456{
1457 return NULL;
1458}
1459
1460static inline struct fwnode_handle *
1461acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1462 struct fwnode_handle *prev)
1463{
1464 return ERR_PTR(-ENXIO);
1465}
1466
1467static inline int
1468acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1469 struct fwnode_handle **remote,
1470 struct fwnode_handle **port,
1471 struct fwnode_handle **endpoint)
1472{
1473 return -ENXIO;
1474}
1475
1476#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1477 static const void * __acpi_table_##name[] \
1478 __attribute__((unused)) \
1479 = { (void *) table_id, \
1480 (void *) subtable, \
1481 (void *) valid, \
1482 (void *) fn, \
1483 (void *) data }
1484
1485#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1486#endif
1487
1488#ifdef CONFIG_ACPI_TABLE_UPGRADE
1489void acpi_table_upgrade(void);
1490#else
1491static inline void acpi_table_upgrade(void) { }
1492#endif
1493
1494#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1495extern bool acpi_has_watchdog(void);
1496#else
1497static inline bool acpi_has_watchdog(void) { return false; }
1498#endif
1499
1500#ifdef CONFIG_ACPI_SPCR_TABLE
1501extern bool qdf2400_e44_present;
1502int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1503#else
1504static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1505{
1506 return -ENODEV;
1507}
1508#endif
1509
1510#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1511int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1512#else
1513static inline
1514int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1515{
1516 return -EINVAL;
1517}
1518#endif
1519
1520#ifdef CONFIG_ACPI_LPIT
1521int lpit_read_residency_count_address(u64 *address);
1522#else
1523static inline int lpit_read_residency_count_address(u64 *address)
1524{
1525 return -EINVAL;
1526}
1527#endif
1528
1529#ifdef CONFIG_ACPI_PROCESSOR_IDLE
1530#ifndef arch_get_idle_state_flags
1531static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1532{
1533 return 0;
1534}
1535#endif
1536#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1537
1538#ifdef CONFIG_ACPI_PPTT
1539int acpi_pptt_cpu_is_thread(unsigned int cpu);
1540int find_acpi_cpu_topology(unsigned int cpu, int level);
1541int find_acpi_cpu_topology_cluster(unsigned int cpu);
1542int find_acpi_cpu_topology_package(unsigned int cpu);
1543int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1544#else
1545static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1546{
1547 return -EINVAL;
1548}
1549static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1550{
1551 return -EINVAL;
1552}
1553static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1554{
1555 return -EINVAL;
1556}
1557static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1558{
1559 return -EINVAL;
1560}
1561static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1562{
1563 return -EINVAL;
1564}
1565#endif
1566
1567void acpi_arch_init(void);
1568
1569#ifdef CONFIG_ACPI_PCC
1570void acpi_init_pcc(void);
1571#else
1572static inline void acpi_init_pcc(void) { }
1573#endif
1574
1575#ifdef CONFIG_ACPI_FFH
1576void acpi_init_ffh(void);
1577extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1578 void **region_ctxt);
1579extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1580 void *region_context);
1581#else
1582static inline void acpi_init_ffh(void) { }
1583#endif
1584
1585#ifdef CONFIG_ACPI
1586extern void acpi_device_notify(struct device *dev);
1587extern void acpi_device_notify_remove(struct device *dev);
1588#else
1589static inline void acpi_device_notify(struct device *dev) { }
1590static inline void acpi_device_notify_remove(struct device *dev) { }
1591#endif
1592
1593static inline void acpi_use_parent_companion(struct device *dev)
1594{
1595 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1596}
1597
1598#ifdef CONFIG_ACPI_NUMA
1599bool acpi_node_backed_by_real_pxm(int nid);
1600#else
1601static inline bool acpi_node_backed_by_real_pxm(int nid)
1602{
1603 return false;
1604}
1605#endif
1606
1607#endif /*_LINUX_ACPI_H*/
1608