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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/cleanup.h>
12#include <linux/errno.h>
13#include <linux/ioport.h> /* for struct resource */
14#include <linux/resource_ext.h>
15#include <linux/device.h>
16#include <linux/mod_devicetable.h>
17#include <linux/property.h>
18#include <linux/uuid.h>
19#include <linux/node.h>
20
21struct irq_domain;
22struct irq_domain_ops;
23
24#ifndef _LINUX
25#define _LINUX
26#endif
27#include <acpi/acpi.h>
28#include <acpi/acpi_numa.h>
29
30#ifdef CONFIG_ACPI
31
32#include <linux/list.h>
33#include <linux/dynamic_debug.h>
34#include <linux/module.h>
35#include <linux/mutex.h>
36#include <linux/fw_table.h>
37
38#include <acpi/acpi_bus.h>
39#include <acpi/acpi_drivers.h>
40#include <acpi/acpi_io.h>
41#include <asm/acpi.h>
42
43#ifdef CONFIG_ACPI_TABLE_LIB
44#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
45#define __init_or_acpilib
46#define __initdata_or_acpilib
47#else
48#define EXPORT_SYMBOL_ACPI_LIB(x)
49#define __init_or_acpilib __init
50#define __initdata_or_acpilib __initdata
51#endif
52
53static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
54{
55 return adev ? adev->handle : NULL;
56}
57
58#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
59#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
60 acpi_fwnode_handle(adev) : NULL)
61#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
62#define ACPI_HANDLE_FWNODE(fwnode) \
63 acpi_device_handle(to_acpi_device_node(fwnode))
64
65static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
66{
67 struct fwnode_handle *fwnode;
68
69 fwnode = kzalloc_obj(struct fwnode_handle);
70 if (!fwnode)
71 return NULL;
72
73 fwnode_init(fwnode, &acpi_static_fwnode_ops);
74
75 return fwnode;
76}
77
78static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
79{
80 if (WARN_ON(!is_acpi_static_node(fwnode)))
81 return;
82
83 kfree(fwnode);
84}
85
86static inline bool has_acpi_companion(struct device *dev)
87{
88 return is_acpi_device_node(dev->fwnode);
89}
90
91static inline void acpi_preset_companion(struct device *dev,
92 struct acpi_device *parent, u64 addr)
93{
94 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
95}
96
97static inline const char *acpi_dev_name(struct acpi_device *adev)
98{
99 return dev_name(&adev->dev);
100}
101
102struct device *acpi_get_first_physical_node(struct acpi_device *adev);
103
104enum acpi_irq_model_id {
105 ACPI_IRQ_MODEL_PIC = 0,
106 ACPI_IRQ_MODEL_IOAPIC,
107 ACPI_IRQ_MODEL_IOSAPIC,
108 ACPI_IRQ_MODEL_PLATFORM,
109 ACPI_IRQ_MODEL_GIC,
110 ACPI_IRQ_MODEL_GIC_V5,
111 ACPI_IRQ_MODEL_LPIC,
112 ACPI_IRQ_MODEL_RINTC,
113 ACPI_IRQ_MODEL_COUNT
114};
115
116extern enum acpi_irq_model_id acpi_irq_model;
117
118enum acpi_interrupt_id {
119 ACPI_INTERRUPT_PMI = 1,
120 ACPI_INTERRUPT_INIT,
121 ACPI_INTERRUPT_CPEI,
122 ACPI_INTERRUPT_COUNT
123};
124
125#define ACPI_SPACE_MEM 0
126
127enum acpi_address_range_id {
128 ACPI_ADDRESS_RANGE_MEMORY = 1,
129 ACPI_ADDRESS_RANGE_RESERVED = 2,
130 ACPI_ADDRESS_RANGE_ACPI = 3,
131 ACPI_ADDRESS_RANGE_NVS = 4,
132 ACPI_ADDRESS_RANGE_COUNT
133};
134
135
136/* Table Handlers */
137typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
138
139/* Debugger support */
140
141struct acpi_debugger_ops {
142 int (*create_thread)(acpi_osd_exec_callback function, void *context);
143 ssize_t (*write_log)(const char *msg);
144 ssize_t (*read_cmd)(char *buffer, size_t length);
145 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
146 int (*notify_command_complete)(void);
147};
148
149struct acpi_debugger {
150 const struct acpi_debugger_ops *ops;
151 struct module *owner;
152 struct mutex lock;
153};
154
155#ifdef CONFIG_ACPI_DEBUGGER
156int __init acpi_debugger_init(void);
157int acpi_register_debugger(struct module *owner,
158 const struct acpi_debugger_ops *ops);
159void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
160int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
161ssize_t acpi_debugger_write_log(const char *msg);
162ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
163int acpi_debugger_wait_command_ready(void);
164int acpi_debugger_notify_command_complete(void);
165#else
166static inline int acpi_debugger_init(void)
167{
168 return -ENODEV;
169}
170
171static inline int acpi_register_debugger(struct module *owner,
172 const struct acpi_debugger_ops *ops)
173{
174 return -ENODEV;
175}
176
177static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
178{
179}
180
181static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
182 void *context)
183{
184 return -ENODEV;
185}
186
187static inline int acpi_debugger_write_log(const char *msg)
188{
189 return -ENODEV;
190}
191
192static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
193{
194 return -ENODEV;
195}
196
197static inline int acpi_debugger_wait_command_ready(void)
198{
199 return -ENODEV;
200}
201
202static inline int acpi_debugger_notify_command_complete(void)
203{
204 return -ENODEV;
205}
206#endif
207
208#define BAD_MADT_ENTRY(entry, end) ( \
209 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
210 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
211
212void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
213void __acpi_unmap_table(void __iomem *map, unsigned long size);
214int early_acpi_boot_init(void);
215int acpi_boot_init (void);
216void acpi_boot_table_prepare (void);
217void acpi_boot_table_init (void);
218int acpi_mps_check (void);
219int acpi_numa_init (void);
220
221int acpi_locate_initial_tables (void);
222void acpi_reserve_initial_tables (void);
223void acpi_table_init_complete (void);
224int acpi_table_init (void);
225
226static inline struct acpi_table_header *acpi_get_table_pointer(char *signature, u32 instance)
227{
228 struct acpi_table_header *table;
229 int status = acpi_get_table(signature, instance, &table);
230
231 if (ACPI_FAILURE(status))
232 return ERR_PTR(-ENOENT);
233 return table;
234}
235DEFINE_FREE(acpi_put_table, struct acpi_table_header *, if (!IS_ERR_OR_NULL(_T)) acpi_put_table(_T))
236
237int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
238int __init_or_acpilib acpi_table_parse_entries(char *id,
239 unsigned long table_size, int entry_id,
240 acpi_tbl_entry_handler handler, unsigned int max_entries);
241int __init_or_acpilib acpi_table_parse_entries_array(char *id,
242 unsigned long table_size, struct acpi_subtable_proc *proc,
243 int proc_num, unsigned int max_entries);
244int acpi_table_parse_madt(enum acpi_madt_type id,
245 acpi_tbl_entry_handler handler,
246 unsigned int max_entries);
247int __init_or_acpilib
248acpi_table_parse_cedt(enum acpi_cedt_type id,
249 acpi_tbl_entry_handler_arg handler_arg, void *arg);
250
251int acpi_parse_mcfg (struct acpi_table_header *header);
252void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
253
254#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
255void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
256#else
257static inline void
258acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
259#endif
260
261void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
262
263#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
264void acpi_arch_dma_setup(struct device *dev);
265#else
266static inline void acpi_arch_dma_setup(struct device *dev) { }
267#endif
268
269#ifdef CONFIG_ARM64
270void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
271#else
272static inline void
273acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
274#endif
275
276#ifdef CONFIG_RISCV
277void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
278#else
279static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
280#endif
281
282#ifndef PHYS_CPUID_INVALID
283typedef u32 phys_cpuid_t;
284#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
285#endif
286
287static inline bool invalid_logical_cpuid(u32 cpuid)
288{
289 return (int)cpuid < 0;
290}
291
292static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
293{
294 return phys_id == PHYS_CPUID_INVALID;
295}
296
297
298int __init acpi_get_madt_revision(void);
299
300/* Validate the processor object's proc_id */
301bool acpi_duplicate_processor_id(int proc_id);
302/* Processor _CTS control */
303struct acpi_processor_power;
304
305#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
306bool acpi_processor_claim_cst_control(void);
307int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
308 struct acpi_processor_power *info);
309#else
310static inline bool acpi_processor_claim_cst_control(void) { return false; }
311static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
312 struct acpi_processor_power *info)
313{
314 return -ENODEV;
315}
316#endif
317
318#ifdef CONFIG_ACPI_HOTPLUG_CPU
319/* Arch dependent functions for cpu hotplug support */
320int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
321 int *pcpu);
322int acpi_unmap_cpu(int cpu);
323#endif /* CONFIG_ACPI_HOTPLUG_CPU */
324
325acpi_handle acpi_get_processor_handle(int cpu);
326
327#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
328int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
329#endif
330
331int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
332int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
333int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
334void acpi_irq_stats_init(void);
335extern u32 acpi_irq_handled;
336extern u32 acpi_irq_not_handled;
337extern unsigned int acpi_sci_irq;
338extern bool acpi_no_s5;
339#define INVALID_ACPI_IRQ ((unsigned)-1)
340static inline bool acpi_sci_irq_valid(void)
341{
342 return acpi_sci_irq != INVALID_ACPI_IRQ;
343}
344
345extern int sbf_port;
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
351typedef struct fwnode_handle *(*acpi_gsi_domain_disp_fn)(u32);
352
353void acpi_set_irq_model(enum acpi_irq_model_id model,
354 acpi_gsi_domain_disp_fn fn);
355acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void);
356void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
357
358struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
359 unsigned int size,
360 struct fwnode_handle *fwnode,
361 const struct irq_domain_ops *ops,
362 void *host_data);
363
364#ifdef CONFIG_X86_IO_APIC
365extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
366#else
367static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
368{
369 return -1;
370}
371#endif
372/*
373 * This function undoes the effect of one call to acpi_register_gsi().
374 * If this matches the last registration, any IRQ resources for gsi
375 * are freed.
376 */
377void acpi_unregister_gsi (u32 gsi);
378
379struct pci_dev;
380
381struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);
382int acpi_pci_irq_enable (struct pci_dev *dev);
383void acpi_penalize_isa_irq(int irq, int active);
384bool acpi_isa_irq_available(int irq);
385#ifdef CONFIG_PCI
386void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
387#else
388static inline void acpi_penalize_sci_irq(int irq, int trigger,
389 int polarity)
390{
391}
392#endif
393void acpi_pci_irq_disable (struct pci_dev *dev);
394
395extern int ec_read(u8 addr, u8 *val);
396extern int ec_write(u8 addr, u8 val);
397extern int ec_transaction(u8 command,
398 const u8 *wdata, unsigned wdata_len,
399 u8 *rdata, unsigned rdata_len);
400extern acpi_handle ec_get_handle(void);
401
402extern bool acpi_is_pnp_device(struct acpi_device *);
403
404#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
405
406typedef void (*wmi_notify_handler) (union acpi_object *data, void *context);
407
408int wmi_instance_count(const char *guid);
409
410extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
411 u32 method_id,
412 const struct acpi_buffer *in,
413 struct acpi_buffer *out);
414extern acpi_status wmi_query_block(const char *guid, u8 instance,
415 struct acpi_buffer *out);
416extern acpi_status wmi_set_block(const char *guid, u8 instance,
417 const struct acpi_buffer *in);
418extern acpi_status wmi_install_notify_handler(const char *guid,
419 wmi_notify_handler handler, void *data);
420extern acpi_status wmi_remove_notify_handler(const char *guid);
421extern bool wmi_has_guid(const char *guid);
422extern char *wmi_get_acpi_device_uid(const char *guid);
423
424#endif /* CONFIG_ACPI_WMI */
425
426#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
427#define ACPI_VIDEO_DEVICE_POSTING 0x0002
428#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
429#define ACPI_VIDEO_BACKLIGHT 0x0008
430#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
431#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
432#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
433#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
434#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
435#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
436#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
437#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
438
439extern char acpi_video_backlight_string[];
440extern long acpi_is_video_device(acpi_handle handle);
441
442extern void acpi_osi_setup(char *str);
443extern bool acpi_osi_is_win8(void);
444
445#ifdef CONFIG_ACPI_THERMAL_LIB
446int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
447int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
448int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
449int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
450#endif
451
452#ifdef CONFIG_ACPI_HMAT
453int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
454#else
455static inline int acpi_get_genport_coordinates(u32 uid,
456 struct access_coordinate *coord)
457{
458 return -EOPNOTSUPP;
459}
460#endif
461
462#ifdef CONFIG_ACPI_NUMA
463int acpi_map_pxm_to_node(int pxm);
464int acpi_get_node(acpi_handle handle);
465
466/**
467 * pxm_to_online_node - Map proximity ID to online node
468 * @pxm: ACPI proximity ID
469 *
470 * This is similar to pxm_to_node(), but always returns an online
471 * node. When the mapped node from a given proximity ID is offline, it
472 * looks up the node distance table and returns the nearest online node.
473 *
474 * ACPI device drivers, which are called after the NUMA initialization has
475 * completed in the kernel, can call this interface to obtain their device
476 * NUMA topology from ACPI tables. Such drivers do not have to deal with
477 * offline nodes. A node may be offline when SRAT memory entry does not exist,
478 * or NUMA is disabled, ex. "numa=off" on x86.
479 */
480static inline int pxm_to_online_node(int pxm)
481{
482 int node = pxm_to_node(pxm);
483
484 return numa_map_to_online_node(node);
485}
486#else
487static inline int pxm_to_online_node(int pxm)
488{
489 return 0;
490}
491static inline int acpi_map_pxm_to_node(int pxm)
492{
493 return 0;
494}
495static inline int acpi_get_node(acpi_handle handle)
496{
497 return 0;
498}
499#endif
500extern int pnpacpi_disabled;
501
502#define PXM_INVAL (-1)
503
504bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
505bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
506bool acpi_dev_resource_address_space(struct acpi_resource *ares,
507 struct resource_win *win);
508bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
509 struct resource_win *win);
510unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
511unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
512bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
513 struct resource *res);
514
515void acpi_dev_free_resource_list(struct list_head *list);
516int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
517 int (*preproc)(struct acpi_resource *, void *),
518 void *preproc_data);
519int acpi_dev_get_dma_resources(struct acpi_device *adev,
520 struct list_head *list);
521int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
522int acpi_dev_filter_resource_type(struct acpi_resource *ares,
523 unsigned long types);
524
525static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
526 void *arg)
527{
528 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
529}
530
531struct acpi_device *acpi_resource_consumer(struct resource *res);
532
533int acpi_check_resource_conflict(const struct resource *res);
534
535int acpi_check_region(resource_size_t start, resource_size_t n,
536 const char *name);
537
538int acpi_resources_are_enforced(void);
539
540#ifdef CONFIG_HIBERNATION
541extern int acpi_check_s4_hw_signature;
542#endif
543
544#ifdef CONFIG_PM_SLEEP
545void __init acpi_old_suspend_ordering(void);
546void __init acpi_nvs_nosave(void);
547void __init acpi_nvs_nosave_s3(void);
548void __init acpi_sleep_no_blacklist(void);
549#endif /* CONFIG_PM_SLEEP */
550
551int acpi_register_wakeup_handler(
552 int wake_irq, bool (*wakeup)(void *context), void *context);
553void acpi_unregister_wakeup_handler(
554 bool (*wakeup)(void *context), void *context);
555
556struct acpi_osc_context {
557 char *uuid_str; /* UUID string */
558 int rev;
559 struct acpi_buffer cap; /* list of DWORD capabilities */
560 struct acpi_buffer ret; /* free by caller if success */
561};
562
563acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
564
565/* Number of _OSC capability DWORDS depends on bridge type */
566#define OSC_PCI_CAPABILITY_DWORDS 3
567#define OSC_CXL_CAPABILITY_DWORDS 5
568
569/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
570#define OSC_QUERY_DWORD 0 /* DWORD 1 */
571#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
572#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
573#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
574#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
575
576/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
577#define OSC_QUERY_ENABLE 0x00000001 /* input */
578#define OSC_REQUEST_ERROR 0x00000002 /* return */
579#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
580#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
581#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
582
583/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
584#define OSC_SB_PAD_SUPPORT 0x00000001
585#define OSC_SB_PPC_OST_SUPPORT 0x00000002
586#define OSC_SB_PR3_SUPPORT 0x00000004
587#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
588#define OSC_SB_APEI_SUPPORT 0x00000010
589#define OSC_SB_CPC_SUPPORT 0x00000020
590#define OSC_SB_CPCV2_SUPPORT 0x00000040
591#define OSC_SB_PCLPI_SUPPORT 0x00000080
592#define OSC_SB_OSLPI_SUPPORT 0x00000100
593#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
594#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
595#define OSC_SB_GED_SUPPORT 0x00000800
596#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
597#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
598#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
599#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
600#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
601#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
602#define OSC_SB_PRM_SUPPORT 0x00200000
603#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
604
605extern bool osc_sb_apei_support_acked;
606extern bool osc_pc_lpi_support_confirmed;
607extern bool osc_sb_native_usb4_support_confirmed;
608extern bool osc_sb_cppc2_support_acked;
609extern bool osc_cpc_flexible_adr_space_confirmed;
610
611/* USB4 Capabilities */
612#define OSC_USB_USB3_TUNNELING 0x00000001
613#define OSC_USB_DP_TUNNELING 0x00000002
614#define OSC_USB_PCIE_TUNNELING 0x00000004
615#define OSC_USB_XDOMAIN 0x00000008
616
617extern u32 osc_sb_native_usb4_control;
618
619/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
620#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
621#define OSC_PCI_ASPM_SUPPORT 0x00000002
622#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
623#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
624#define OSC_PCI_MSI_SUPPORT 0x00000010
625#define OSC_PCI_EDR_SUPPORT 0x00000080
626#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
627
628/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
629#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
630#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
631#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
632#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
633#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
634#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
635#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
636
637/* CXL _OSC: Capabilities DWORD 4: Support Field */
638#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
639#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
640#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
641#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
642
643/* CXL _OSC: Capabilities DWORD 5: Control Field */
644#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
645
646static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
647{
648 u32 *ret = context->ret.pointer;
649
650 return ret[OSC_CONTROL_DWORD];
651}
652
653static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
654{
655 u32 *ret = context->ret.pointer;
656
657 return ret[OSC_EXT_CONTROL_DWORD];
658}
659
660#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
661#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
662#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
663#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
664#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
665#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
666#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
667#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
668#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
669#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
670
671/* Enable _OST when all relevant hotplug operations are enabled */
672#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
673 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
674 defined(CONFIG_ACPI_CONTAINER)
675#define ACPI_HOTPLUG_OST
676#endif
677
678/* _OST Source Event Code (OSPM Action) */
679#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
680#define ACPI_OST_EC_OSPM_EJECT 0x103
681#define ACPI_OST_EC_OSPM_INSERTION 0x200
682
683/* _OST General Processing Status Code */
684#define ACPI_OST_SC_SUCCESS 0x0
685#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
686#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
687
688/* _OST OS Shutdown Processing (0x100) Status Code */
689#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
690#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
691#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
692#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
693
694/* _OST Ejection Request (0x3, 0x103) Status Code */
695#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
696#define ACPI_OST_SC_DEVICE_IN_USE 0x81
697#define ACPI_OST_SC_DEVICE_BUSY 0x82
698#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
699#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
700
701/* _OST Insertion Request (0x200) Status Code */
702#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
703#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
704#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
705
706enum acpi_predicate {
707 all_versions,
708 less_than_or_equal,
709 equal,
710 greater_than_or_equal,
711};
712
713/* Table must be terminted by a NULL entry */
714struct acpi_platform_list {
715 char oem_id[ACPI_OEM_ID_SIZE+1];
716 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
717 u32 oem_revision;
718 char *table;
719 enum acpi_predicate pred;
720 char *reason;
721 u32 data;
722};
723int acpi_match_platform_list(const struct acpi_platform_list *plat);
724
725extern void acpi_early_init(void);
726extern void acpi_subsystem_init(void);
727
728extern int acpi_nvs_register(__u64 start, __u64 size);
729
730extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
731 void *data);
732
733const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
734 const struct acpi_device *adev);
735
736const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
737 const struct device *dev);
738
739const void *acpi_device_get_match_data(const struct device *dev);
740extern bool acpi_driver_match_device(struct device *dev,
741 const struct device_driver *drv);
742int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
743int acpi_device_modalias(struct device *, char *, int);
744
745struct platform_device *acpi_create_platform_device(struct acpi_device *,
746 const struct property_entry *);
747#define ACPI_PTR(_ptr) (_ptr)
748
749static inline void acpi_device_set_enumerated(struct acpi_device *adev)
750{
751 adev->flags.visited = true;
752}
753
754static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
755{
756 adev->flags.visited = false;
757}
758
759enum acpi_reconfig_event {
760 ACPI_RECONFIG_DEVICE_ADD = 0,
761 ACPI_RECONFIG_DEVICE_REMOVE,
762};
763
764int acpi_reconfig_notifier_register(struct notifier_block *nb);
765int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
766
767#ifdef CONFIG_ACPI_GTDT
768int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
769int acpi_gtdt_map_ppi(int type);
770bool acpi_gtdt_c3stop(int type);
771#endif
772
773#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
774static __always_inline void acpi_arch_set_root_pointer(u64 addr)
775{
776}
777#endif
778
779#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
780static __always_inline u64 acpi_arch_get_root_pointer(void)
781{
782 return 0;
783}
784#endif
785
786int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
787int acpi_get_local_address(acpi_handle handle, u32 *addr);
788const char *acpi_get_subsystem_id(acpi_handle handle);
789
790#ifdef CONFIG_ACPI_MRRM
791int acpi_mrrm_max_mem_region(void);
792#endif
793
794#else /* !CONFIG_ACPI */
795
796#define acpi_disabled 1
797
798#define ACPI_COMPANION(dev) (NULL)
799#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
800#define ACPI_HANDLE(dev) (NULL)
801#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
802
803/* Get rid of the -Wunused-variable for adev */
804#define acpi_dev_uid_match(adev, uid2) (adev && false)
805#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
806
807struct fwnode_handle;
808
809static inline bool acpi_dev_found(const char *hid)
810{
811 return false;
812}
813
814static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
815{
816 return false;
817}
818
819struct acpi_device;
820
821static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
822{
823 return -ENODEV;
824}
825
826static inline struct acpi_device *
827acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
828{
829 return NULL;
830}
831
832static inline bool acpi_reduced_hardware(void)
833{
834 return false;
835}
836
837static inline void acpi_dev_put(struct acpi_device *adev) {}
838
839static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
840{
841 return false;
842}
843
844static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
845{
846 return false;
847}
848
849static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
850{
851 return NULL;
852}
853
854static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
855{
856 return false;
857}
858
859static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
860{
861 return NULL;
862}
863
864static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
865 const char *name)
866{
867 return false;
868}
869
870static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
871{
872 return NULL;
873}
874
875static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
876{
877 return NULL;
878}
879
880static inline bool has_acpi_companion(struct device *dev)
881{
882 return false;
883}
884
885static inline void acpi_preset_companion(struct device *dev,
886 struct acpi_device *parent, u64 addr)
887{
888}
889
890static inline const char *acpi_dev_name(struct acpi_device *adev)
891{
892 return NULL;
893}
894
895static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
896{
897 return NULL;
898}
899
900static inline void acpi_early_init(void) { }
901static inline void acpi_subsystem_init(void) { }
902
903static inline int early_acpi_boot_init(void)
904{
905 return 0;
906}
907static inline int acpi_boot_init(void)
908{
909 return 0;
910}
911
912static inline void acpi_boot_table_prepare(void)
913{
914}
915
916static inline void acpi_boot_table_init(void)
917{
918}
919
920static inline int acpi_mps_check(void)
921{
922 return 0;
923}
924
925static inline int acpi_check_resource_conflict(struct resource *res)
926{
927 return 0;
928}
929
930static inline int acpi_check_region(resource_size_t start, resource_size_t n,
931 const char *name)
932{
933 return 0;
934}
935
936struct acpi_table_header;
937static inline int acpi_table_parse(char *id,
938 int (*handler)(struct acpi_table_header *))
939{
940 return -ENODEV;
941}
942
943static inline int acpi_nvs_register(__u64 start, __u64 size)
944{
945 return 0;
946}
947
948static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
949 void *data)
950{
951 return 0;
952}
953
954struct acpi_device_id;
955
956static inline const struct acpi_device_id *acpi_match_acpi_device(
957 const struct acpi_device_id *ids, const struct acpi_device *adev)
958{
959 return NULL;
960}
961
962static inline const struct acpi_device_id *acpi_match_device(
963 const struct acpi_device_id *ids, const struct device *dev)
964{
965 return NULL;
966}
967
968static inline const void *acpi_device_get_match_data(const struct device *dev)
969{
970 return NULL;
971}
972
973static inline bool acpi_driver_match_device(struct device *dev,
974 const struct device_driver *drv)
975{
976 return false;
977}
978
979static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
980 u64 rev, u64 funcs)
981{
982 return false;
983}
984
985static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
986 const guid_t *guid,
987 u64 rev, u64 func,
988 union acpi_object *argv4)
989{
990 return NULL;
991}
992
993static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
994 const guid_t *guid,
995 u64 rev, u64 func,
996 union acpi_object *argv4,
997 acpi_object_type type)
998{
999 return NULL;
1000}
1001
1002static inline int acpi_device_uevent_modalias(const struct device *dev,
1003 struct kobj_uevent_env *env)
1004{
1005 return -ENODEV;
1006}
1007
1008static inline int acpi_device_modalias(struct device *dev,
1009 char *buf, int size)
1010{
1011 return -ENODEV;
1012}
1013
1014static inline struct platform_device *
1015acpi_create_platform_device(struct acpi_device *adev,
1016 const struct property_entry *properties)
1017{
1018 return NULL;
1019}
1020
1021static inline bool acpi_dma_supported(const struct acpi_device *adev)
1022{
1023 return false;
1024}
1025
1026static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1027{
1028 return DEV_DMA_NOT_SUPPORTED;
1029}
1030
1031static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1032{
1033 return -ENODEV;
1034}
1035
1036static inline int acpi_dma_configure(struct device *dev,
1037 enum dev_dma_attr attr)
1038{
1039 return 0;
1040}
1041
1042static inline int acpi_dma_configure_id(struct device *dev,
1043 enum dev_dma_attr attr,
1044 const u32 *input_id)
1045{
1046 return 0;
1047}
1048
1049#define ACPI_PTR(_ptr) (NULL)
1050
1051static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1052{
1053}
1054
1055static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1056{
1057}
1058
1059static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1060{
1061 return -EINVAL;
1062}
1063
1064static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1065{
1066 return -EINVAL;
1067}
1068
1069static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1070{
1071 return NULL;
1072}
1073
1074static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1075{
1076 return -ENODEV;
1077}
1078
1079static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1080{
1081 return ERR_PTR(-ENODEV);
1082}
1083
1084static inline int acpi_register_wakeup_handler(int wake_irq,
1085 bool (*wakeup)(void *context), void *context)
1086{
1087 return -ENXIO;
1088}
1089
1090static inline void acpi_unregister_wakeup_handler(
1091 bool (*wakeup)(void *context), void *context) { }
1092
1093struct acpi_osc_context;
1094static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1095{
1096 return 0;
1097}
1098
1099static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1100{
1101 return 0;
1102}
1103
1104static inline bool acpi_sleep_state_supported(u8 sleep_state)
1105{
1106 return false;
1107}
1108
1109static inline acpi_handle acpi_get_processor_handle(int cpu)
1110{
1111 return NULL;
1112}
1113
1114static inline int acpi_mrrm_max_mem_region(void)
1115{
1116 return 1;
1117}
1118
1119#endif /* !CONFIG_ACPI */
1120
1121#ifdef CONFIG_ACPI_HMAT
1122int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
1123 resource_size_t *size);
1124#else
1125static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
1126 int nid, resource_size_t *size)
1127{
1128 return -EOPNOTSUPP;
1129}
1130#endif
1131
1132extern void arch_post_acpi_subsys_init(void);
1133
1134#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1135int acpi_ioapic_add(acpi_handle root);
1136#else
1137static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1138#endif
1139
1140#ifdef CONFIG_ACPI
1141void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1142 u32 pm1a_ctrl, u32 pm1b_ctrl));
1143
1144acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1145 u32 pm1a_control, u32 pm1b_control);
1146
1147void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1148 u32 val_a, u32 val_b));
1149
1150acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1151 u32 val_a, u32 val_b);
1152struct acpi_s2idle_dev_ops {
1153 struct list_head list_node;
1154 void (*prepare)(void);
1155 void (*check)(void);
1156 void (*restore)(void);
1157};
1158#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1159int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1160void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1161#else /* CONFIG_SUSPEND && CONFIG_X86 */
1162static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1163{
1164 return -ENODEV;
1165}
1166static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1167{
1168}
1169#endif /* CONFIG_SUSPEND && CONFIG_X86 */
1170void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1171#else
1172#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1173#endif
1174
1175#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1176int acpi_dev_suspend(struct device *dev, bool wakeup);
1177int acpi_dev_resume(struct device *dev);
1178int acpi_subsys_runtime_suspend(struct device *dev);
1179int acpi_subsys_runtime_resume(struct device *dev);
1180int acpi_dev_pm_attach(struct device *dev, bool power_on);
1181bool acpi_storage_d3(struct device *dev);
1182bool acpi_dev_state_d0(struct device *dev);
1183#else
1184static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1185static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1186static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1187{
1188 return 0;
1189}
1190static inline bool acpi_storage_d3(struct device *dev)
1191{
1192 return false;
1193}
1194static inline bool acpi_dev_state_d0(struct device *dev)
1195{
1196 return true;
1197}
1198#endif
1199
1200#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1201int acpi_subsys_prepare(struct device *dev);
1202void acpi_subsys_complete(struct device *dev);
1203int acpi_subsys_suspend_late(struct device *dev);
1204int acpi_subsys_suspend_noirq(struct device *dev);
1205int acpi_subsys_suspend(struct device *dev);
1206int acpi_subsys_freeze(struct device *dev);
1207int acpi_subsys_poweroff(struct device *dev);
1208int acpi_subsys_restore_early(struct device *dev);
1209#else
1210static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1211static inline void acpi_subsys_complete(struct device *dev) {}
1212static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1213static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1214static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1215static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1216static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1217static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1218#endif
1219
1220#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
1221void acpi_ec_mark_gpe_for_wake(void);
1222void acpi_ec_set_gpe_wake_mask(u8 action);
1223#else
1224static inline void acpi_ec_mark_gpe_for_wake(void) {}
1225static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1226#endif
1227
1228#ifdef CONFIG_ACPI
1229char *acpi_handle_path(acpi_handle handle);
1230__printf(3, 4)
1231void acpi_handle_printk(const char *level, acpi_handle handle,
1232 const char *fmt, ...);
1233void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1234 acpi_status status);
1235#else /* !CONFIG_ACPI */
1236static inline __printf(3, 4) void
1237acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1238static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1239 const char *name,
1240 acpi_status status) {}
1241#endif /* !CONFIG_ACPI */
1242
1243#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1244__printf(3, 4)
1245void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1246#endif
1247
1248/*
1249 * acpi_handle_<level>: Print message with ACPI prefix and object path
1250 *
1251 * These interfaces acquire the global namespace mutex to obtain an object
1252 * path. In interrupt context, it shows the object path as <n/a>.
1253 */
1254#define acpi_handle_emerg(handle, fmt, ...) \
1255 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1256#define acpi_handle_alert(handle, fmt, ...) \
1257 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1258#define acpi_handle_crit(handle, fmt, ...) \
1259 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1260#define acpi_handle_err(handle, fmt, ...) \
1261 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1262#define acpi_handle_warn(handle, fmt, ...) \
1263 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1264#define acpi_handle_notice(handle, fmt, ...) \
1265 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1266#define acpi_handle_info(handle, fmt, ...) \
1267 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1268
1269#if defined(DEBUG)
1270#define acpi_handle_debug(handle, fmt, ...) \
1271 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1272#else
1273#if defined(CONFIG_DYNAMIC_DEBUG)
1274#define acpi_handle_debug(handle, fmt, ...) \
1275 _dynamic_func_call(fmt, __acpi_handle_debug, \
1276 handle, pr_fmt(fmt), ##__VA_ARGS__)
1277#else
1278#define acpi_handle_debug(handle, fmt, ...) \
1279({ \
1280 if (0) \
1281 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1282 0; \
1283})
1284#endif
1285#endif
1286
1287#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1288bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1289 struct acpi_resource_gpio **agpio);
1290bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1291 struct acpi_resource_gpio **agpio);
1292int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1293 bool *wake_capable);
1294#else
1295static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1296 struct acpi_resource_gpio **agpio)
1297{
1298 return false;
1299}
1300static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1301 struct acpi_resource_gpio **agpio)
1302{
1303 return false;
1304}
1305static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1306 int index, bool *wake_capable)
1307{
1308 return -ENXIO;
1309}
1310#endif
1311
1312static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1313 bool *wake_capable)
1314{
1315 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1316}
1317
1318static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1319 int index)
1320{
1321 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1322}
1323
1324static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1325{
1326 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1327}
1328
1329/* Device properties */
1330
1331#ifdef CONFIG_ACPI
1332int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1333 acpi_object_type type, const union acpi_object **obj);
1334int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1335 const char *name, size_t index, size_t num_args,
1336 struct fwnode_reference_args *args);
1337
1338static inline int acpi_node_get_property_reference(
1339 const struct fwnode_handle *fwnode,
1340 const char *name, size_t index,
1341 struct fwnode_reference_args *args)
1342{
1343 return __acpi_node_get_property_reference(fwnode, name, index,
1344 NR_FWNODE_REFERENCE_ARGS, args);
1345}
1346
1347static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1348{
1349 return !list_empty(&adev->data.properties);
1350}
1351
1352struct acpi_device_properties *
1353acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1354 union acpi_object *properties);
1355
1356int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1357 void **valptr);
1358
1359struct acpi_probe_entry;
1360typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1361 struct acpi_probe_entry *);
1362
1363#define ACPI_TABLE_ID_LEN 5
1364
1365/**
1366 * struct acpi_probe_entry - boot-time probing entry
1367 * @id: ACPI table name
1368 * @type: Optional subtable type to match
1369 * (if @id contains subtables)
1370 * @subtable_valid: Optional callback to check the validity of
1371 * the subtable
1372 * @probe_table: Callback to the driver being probed when table
1373 * match is successful
1374 * @probe_subtbl: Callback to the driver being probed when table and
1375 * subtable match (and optional callback is successful)
1376 * @driver_data: Sideband data provided back to the driver
1377 */
1378struct acpi_probe_entry {
1379 __u8 id[ACPI_TABLE_ID_LEN];
1380 __u8 type;
1381 acpi_probe_entry_validate_subtbl subtable_valid;
1382 union {
1383 acpi_tbl_table_handler probe_table;
1384 acpi_tbl_entry_handler probe_subtbl;
1385 };
1386 kernel_ulong_t driver_data;
1387};
1388
1389void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr);
1390
1391#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1392 valid, data, fn) \
1393 static const struct acpi_probe_entry __acpi_probe_##name \
1394 __used __section("__" #table "_acpi_probe_table") = { \
1395 .id = table_id, \
1396 .type = subtable, \
1397 .subtable_valid = valid, \
1398 .probe_table = fn, \
1399 .driver_data = data, \
1400 }
1401
1402#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1403 subtable, valid, data, fn) \
1404 static const struct acpi_probe_entry __acpi_probe_##name \
1405 __used __section("__" #table "_acpi_probe_table") = { \
1406 .id = table_id, \
1407 .type = subtable, \
1408 .subtable_valid = valid, \
1409 .probe_subtbl = fn, \
1410 .driver_data = data, \
1411 }
1412
1413#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1414#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1415
1416int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1417
1418#define acpi_probe_device_table(t) \
1419 ({ \
1420 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1421 ACPI_PROBE_TABLE_END(t); \
1422 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1423 (&ACPI_PROBE_TABLE_END(t) - \
1424 &ACPI_PROBE_TABLE(t))); \
1425 })
1426#else
1427static inline int acpi_dev_get_property(struct acpi_device *adev,
1428 const char *name, acpi_object_type type,
1429 const union acpi_object **obj)
1430{
1431 return -ENXIO;
1432}
1433
1434static inline int
1435__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1436 const char *name, size_t index, size_t num_args,
1437 struct fwnode_reference_args *args)
1438{
1439 return -ENXIO;
1440}
1441
1442static inline int
1443acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1444 const char *name, size_t index,
1445 struct fwnode_reference_args *args)
1446{
1447 return -ENXIO;
1448}
1449
1450static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1451 const char *propname,
1452 void **valptr)
1453{
1454 return -ENXIO;
1455}
1456
1457static inline struct fwnode_handle *
1458acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1459 struct fwnode_handle *prev)
1460{
1461 return ERR_PTR(-ENXIO);
1462}
1463
1464static inline int
1465acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1466 struct fwnode_handle **remote,
1467 struct fwnode_handle **port,
1468 struct fwnode_handle **endpoint)
1469{
1470 return -ENXIO;
1471}
1472
1473#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1474 static const void * __acpi_table_##name[] \
1475 __attribute__((unused)) \
1476 = { (void *) table_id, \
1477 (void *) subtable, \
1478 (void *) valid, \
1479 (void *) fn, \
1480 (void *) data }
1481
1482#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1483#endif
1484
1485#ifdef CONFIG_ACPI_TABLE_UPGRADE
1486void acpi_table_upgrade(void);
1487#else
1488static inline void acpi_table_upgrade(void) { }
1489#endif
1490
1491#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1492extern bool acpi_has_watchdog(void);
1493#else
1494static inline bool acpi_has_watchdog(void) { return false; }
1495#endif
1496
1497#ifdef CONFIG_ACPI_SPCR_TABLE
1498extern bool qdf2400_e44_present;
1499int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1500#else
1501static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1502{
1503 return -ENODEV;
1504}
1505#endif
1506
1507#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1508int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1509const struct cpumask *acpi_irq_get_affinity(acpi_handle handle,
1510 unsigned int index);
1511#else
1512static inline
1513int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1514{
1515 return -EINVAL;
1516}
1517static inline const struct cpumask *acpi_irq_get_affinity(acpi_handle handle,
1518 unsigned int index)
1519{
1520 return NULL;
1521}
1522#endif
1523
1524#ifdef CONFIG_ACPI_LPIT
1525int lpit_read_residency_count_address(u64 *address);
1526#else
1527static inline int lpit_read_residency_count_address(u64 *address)
1528{
1529 return -EINVAL;
1530}
1531#endif
1532
1533#ifdef CONFIG_ACPI_PROCESSOR_IDLE
1534#ifndef arch_get_idle_state_flags
1535static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1536{
1537 return 0;
1538}
1539#endif
1540#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1541
1542#ifdef CONFIG_ACPI_PPTT
1543int acpi_pptt_cpu_is_thread(unsigned int cpu);
1544int find_acpi_cpu_topology(unsigned int cpu, int level);
1545int find_acpi_cpu_topology_cluster(unsigned int cpu);
1546int find_acpi_cpu_topology_package(unsigned int cpu);
1547int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1548void acpi_pptt_get_cpus_from_container(u32 acpi_cpu_id, cpumask_t *cpus);
1549int find_acpi_cache_level_from_id(u32 cache_id);
1550int acpi_pptt_get_cpumask_from_cache_id(u32 cache_id, cpumask_t *cpus);
1551#else
1552static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1553{
1554 return -EINVAL;
1555}
1556static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1557{
1558 return -EINVAL;
1559}
1560static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1561{
1562 return -EINVAL;
1563}
1564static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1565{
1566 return -EINVAL;
1567}
1568static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1569{
1570 return -EINVAL;
1571}
1572static inline void acpi_pptt_get_cpus_from_container(u32 acpi_cpu_id,
1573 cpumask_t *cpus) { }
1574static inline int find_acpi_cache_level_from_id(u32 cache_id)
1575{
1576 return -ENOENT;
1577}
1578static inline int acpi_pptt_get_cpumask_from_cache_id(u32 cache_id,
1579 cpumask_t *cpus)
1580{
1581 return -ENOENT;
1582}
1583#endif
1584
1585void acpi_arch_init(void);
1586
1587#ifdef CONFIG_ACPI_PCC
1588void acpi_init_pcc(void);
1589#else
1590static inline void acpi_init_pcc(void) { }
1591#endif
1592
1593#ifdef CONFIG_ACPI_FFH
1594void acpi_init_ffh(void);
1595extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1596 void **region_ctxt);
1597extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1598 void *region_context);
1599#else
1600static inline void acpi_init_ffh(void) { }
1601#endif
1602
1603#ifdef CONFIG_ACPI
1604extern void acpi_device_notify(struct device *dev);
1605extern void acpi_device_notify_remove(struct device *dev);
1606#else
1607static inline void acpi_device_notify(struct device *dev) { }
1608static inline void acpi_device_notify_remove(struct device *dev) { }
1609#endif
1610
1611static inline void acpi_use_parent_companion(struct device *dev)
1612{
1613 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1614}
1615
1616#ifdef CONFIG_ACPI_NUMA
1617bool acpi_node_backed_by_real_pxm(int nid);
1618#else
1619static inline bool acpi_node_backed_by_real_pxm(int nid)
1620{
1621 return false;
1622}
1623#endif
1624
1625#endif /*_LINUX_ACPI_H*/