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8#ifndef _LINUX_ACPI_H
9#define _LINUX_ACPI_H
10
11#include <linux/errno.h>
12#include <linux/ioport.h>
13#include <linux/irqdomain.h>
14#include <linux/resource_ext.h>
15#include <linux/device.h>
16#include <linux/property.h>
17#include <linux/uuid.h>
18
19#ifndef _LINUX
20#define _LINUX
21#endif
22#include <acpi/acpi.h>
23
24#ifdef CONFIG_ACPI
25
26#include <linux/list.h>
27#include <linux/mod_devicetable.h>
28#include <linux/dynamic_debug.h>
29#include <linux/module.h>
30#include <linux/mutex.h>
31
32#include <acpi/acpi_bus.h>
33#include <acpi/acpi_drivers.h>
34#include <acpi/acpi_numa.h>
35#include <acpi/acpi_io.h>
36#include <asm/acpi.h>
37
38static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
39{
40 return adev ? adev->handle : NULL;
41}
42
43#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
44#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
45 acpi_fwnode_handle(adev) : NULL)
46#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
47#define ACPI_HANDLE_FWNODE(fwnode) \
48 acpi_device_handle(to_acpi_device_node(fwnode))
49
50static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
51{
52 struct fwnode_handle *fwnode;
53
54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
55 if (!fwnode)
56 return NULL;
57
58 fwnode_init(fwnode, &acpi_static_fwnode_ops);
59
60 return fwnode;
61}
62
63static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
64{
65 if (WARN_ON(!is_acpi_static_node(fwnode)))
66 return;
67
68 kfree(fwnode);
69}
70
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80
81
82#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
83
84static inline bool has_acpi_companion(struct device *dev)
85{
86 return is_acpi_device_node(dev->fwnode);
87}
88
89static inline void acpi_preset_companion(struct device *dev,
90 struct acpi_device *parent, u64 addr)
91{
92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
93}
94
95static inline const char *acpi_dev_name(struct acpi_device *adev)
96{
97 return dev_name(&adev->dev);
98}
99
100struct device *acpi_get_first_physical_node(struct acpi_device *adev);
101
102enum acpi_irq_model_id {
103 ACPI_IRQ_MODEL_PIC = 0,
104 ACPI_IRQ_MODEL_IOAPIC,
105 ACPI_IRQ_MODEL_IOSAPIC,
106 ACPI_IRQ_MODEL_PLATFORM,
107 ACPI_IRQ_MODEL_GIC,
108 ACPI_IRQ_MODEL_COUNT
109};
110
111extern enum acpi_irq_model_id acpi_irq_model;
112
113enum acpi_interrupt_id {
114 ACPI_INTERRUPT_PMI = 1,
115 ACPI_INTERRUPT_INIT,
116 ACPI_INTERRUPT_CPEI,
117 ACPI_INTERRUPT_COUNT
118};
119
120#define ACPI_SPACE_MEM 0
121
122enum acpi_address_range_id {
123 ACPI_ADDRESS_RANGE_MEMORY = 1,
124 ACPI_ADDRESS_RANGE_RESERVED = 2,
125 ACPI_ADDRESS_RANGE_ACPI = 3,
126 ACPI_ADDRESS_RANGE_NVS = 4,
127 ACPI_ADDRESS_RANGE_COUNT
128};
129
130
131
132union acpi_subtable_headers {
133 struct acpi_subtable_header common;
134 struct acpi_hmat_structure hmat;
135};
136
137typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
138
139typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
140 const unsigned long end);
141
142
143
144struct acpi_debugger_ops {
145 int (*create_thread)(acpi_osd_exec_callback function, void *context);
146 ssize_t (*write_log)(const char *msg);
147 ssize_t (*read_cmd)(char *buffer, size_t length);
148 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
149 int (*notify_command_complete)(void);
150};
151
152struct acpi_debugger {
153 const struct acpi_debugger_ops *ops;
154 struct module *owner;
155 struct mutex lock;
156};
157
158#ifdef CONFIG_ACPI_DEBUGGER
159int __init acpi_debugger_init(void);
160int acpi_register_debugger(struct module *owner,
161 const struct acpi_debugger_ops *ops);
162void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
163int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
164ssize_t acpi_debugger_write_log(const char *msg);
165ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
166int acpi_debugger_wait_command_ready(void);
167int acpi_debugger_notify_command_complete(void);
168#else
169static inline int acpi_debugger_init(void)
170{
171 return -ENODEV;
172}
173
174static inline int acpi_register_debugger(struct module *owner,
175 const struct acpi_debugger_ops *ops)
176{
177 return -ENODEV;
178}
179
180static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
181{
182}
183
184static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
185 void *context)
186{
187 return -ENODEV;
188}
189
190static inline int acpi_debugger_write_log(const char *msg)
191{
192 return -ENODEV;
193}
194
195static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
196{
197 return -ENODEV;
198}
199
200static inline int acpi_debugger_wait_command_ready(void)
201{
202 return -ENODEV;
203}
204
205static inline int acpi_debugger_notify_command_complete(void)
206{
207 return -ENODEV;
208}
209#endif
210
211#define BAD_MADT_ENTRY(entry, end) ( \
212 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
213 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
214
215struct acpi_subtable_proc {
216 int id;
217 acpi_tbl_entry_handler handler;
218 int count;
219};
220
221void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
222void __acpi_unmap_table(void __iomem *map, unsigned long size);
223int early_acpi_boot_init(void);
224int acpi_boot_init (void);
225void acpi_boot_table_prepare (void);
226void acpi_boot_table_init (void);
227int acpi_mps_check (void);
228int acpi_numa_init (void);
229
230int acpi_locate_initial_tables (void);
231void acpi_reserve_initial_tables (void);
232void acpi_table_init_complete (void);
233int acpi_table_init (void);
234int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
235int __init acpi_table_parse_entries(char *id, unsigned long table_size,
236 int entry_id,
237 acpi_tbl_entry_handler handler,
238 unsigned int max_entries);
239int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
240 struct acpi_subtable_proc *proc, int proc_num,
241 unsigned int max_entries);
242int acpi_table_parse_madt(enum acpi_madt_type id,
243 acpi_tbl_entry_handler handler,
244 unsigned int max_entries);
245int acpi_parse_mcfg (struct acpi_table_header *header);
246void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
247
248
249void acpi_numa_slit_init (struct acpi_table_slit *slit);
250
251#if defined(CONFIG_X86) || defined(CONFIG_IA64)
252void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
253#else
254static inline void
255acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
256#endif
257
258void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
259
260#ifdef CONFIG_ARM64
261void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
262#else
263static inline void
264acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
265#endif
266
267int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
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
285bool acpi_duplicate_processor_id(int proc_id);
286
287struct acpi_processor_power;
288
289#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
290bool acpi_processor_claim_cst_control(void);
291int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
292 struct acpi_processor_power *info);
293#else
294static inline bool acpi_processor_claim_cst_control(void) { return false; }
295static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
296 struct acpi_processor_power *info)
297{
298 return -ENODEV;
299}
300#endif
301
302#ifdef CONFIG_ACPI_HOTPLUG_CPU
303
304int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
305 int *pcpu);
306int acpi_unmap_cpu(int cpu);
307#endif
308
309#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
310int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
311#endif
312
313int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
314int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
315int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
316void acpi_irq_stats_init(void);
317extern u32 acpi_irq_handled;
318extern u32 acpi_irq_not_handled;
319extern unsigned int acpi_sci_irq;
320extern bool acpi_no_s5;
321#define INVALID_ACPI_IRQ ((unsigned)-1)
322static inline bool acpi_sci_irq_valid(void)
323{
324 return acpi_sci_irq != INVALID_ACPI_IRQ;
325}
326
327extern int sbf_port;
328extern unsigned long acpi_realmode_flags;
329
330int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
331int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
332int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
333
334void acpi_set_irq_model(enum acpi_irq_model_id model,
335 struct fwnode_handle *fwnode);
336
337struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
338 unsigned int size,
339 struct fwnode_handle *fwnode,
340 const struct irq_domain_ops *ops,
341 void *host_data);
342
343#ifdef CONFIG_X86_IO_APIC
344extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
345#else
346static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
347{
348 return -1;
349}
350#endif
351
352
353
354
355
356void acpi_unregister_gsi (u32 gsi);
357
358struct pci_dev;
359
360int acpi_pci_irq_enable (struct pci_dev *dev);
361void acpi_penalize_isa_irq(int irq, int active);
362bool acpi_isa_irq_available(int irq);
363#ifdef CONFIG_PCI
364void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
365#else
366static inline void acpi_penalize_sci_irq(int irq, int trigger,
367 int polarity)
368{
369}
370#endif
371void acpi_pci_irq_disable (struct pci_dev *dev);
372
373extern int ec_read(u8 addr, u8 *val);
374extern int ec_write(u8 addr, u8 val);
375extern int ec_transaction(u8 command,
376 const u8 *wdata, unsigned wdata_len,
377 u8 *rdata, unsigned rdata_len);
378extern acpi_handle ec_get_handle(void);
379
380extern bool acpi_is_pnp_device(struct acpi_device *);
381
382#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
383
384typedef void (*wmi_notify_handler) (u32 value, void *context);
385
386extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
387 u32 method_id,
388 const struct acpi_buffer *in,
389 struct acpi_buffer *out);
390extern acpi_status wmi_query_block(const char *guid, u8 instance,
391 struct acpi_buffer *out);
392extern acpi_status wmi_set_block(const char *guid, u8 instance,
393 const struct acpi_buffer *in);
394extern acpi_status wmi_install_notify_handler(const char *guid,
395 wmi_notify_handler handler, void *data);
396extern acpi_status wmi_remove_notify_handler(const char *guid);
397extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
398extern bool wmi_has_guid(const char *guid);
399extern char *wmi_get_acpi_device_uid(const char *guid);
400
401#endif
402
403#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
404#define ACPI_VIDEO_DEVICE_POSTING 0x0002
405#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
406#define ACPI_VIDEO_BACKLIGHT 0x0008
407#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
408#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
409#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
410#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
411#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
412#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
413#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
414#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
415
416extern char acpi_video_backlight_string[];
417extern long acpi_is_video_device(acpi_handle handle);
418extern int acpi_blacklisted(void);
419extern void acpi_osi_setup(char *str);
420extern bool acpi_osi_is_win8(void);
421
422#ifdef CONFIG_ACPI_NUMA
423int acpi_map_pxm_to_node(int pxm);
424int acpi_get_node(acpi_handle handle);
425
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439
440static inline int pxm_to_online_node(int pxm)
441{
442 int node = pxm_to_node(pxm);
443
444 return numa_map_to_online_node(node);
445}
446#else
447static inline int pxm_to_online_node(int pxm)
448{
449 return 0;
450}
451static inline int acpi_map_pxm_to_node(int pxm)
452{
453 return 0;
454}
455static inline int acpi_get_node(acpi_handle handle)
456{
457 return 0;
458}
459#endif
460extern int acpi_paddr_to_node(u64 start_addr, u64 size);
461
462extern int pnpacpi_disabled;
463
464#define PXM_INVAL (-1)
465
466bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
467bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
468bool acpi_dev_resource_address_space(struct acpi_resource *ares,
469 struct resource_win *win);
470bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
471 struct resource_win *win);
472unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
473unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
474bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
475 struct resource *res);
476
477void acpi_dev_free_resource_list(struct list_head *list);
478int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
479 int (*preproc)(struct acpi_resource *, void *),
480 void *preproc_data);
481int acpi_dev_get_dma_resources(struct acpi_device *adev,
482 struct list_head *list);
483int acpi_dev_filter_resource_type(struct acpi_resource *ares,
484 unsigned long types);
485
486static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
487 void *arg)
488{
489 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
490}
491
492struct acpi_device *acpi_resource_consumer(struct resource *res);
493
494int acpi_check_resource_conflict(const struct resource *res);
495
496int acpi_check_region(resource_size_t start, resource_size_t n,
497 const char *name);
498
499acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
500 u32 level);
501
502int acpi_resources_are_enforced(void);
503
504#ifdef CONFIG_HIBERNATION
505void __init acpi_no_s4_hw_signature(void);
506#endif
507
508#ifdef CONFIG_PM_SLEEP
509void __init acpi_old_suspend_ordering(void);
510void __init acpi_nvs_nosave(void);
511void __init acpi_nvs_nosave_s3(void);
512void __init acpi_sleep_no_blacklist(void);
513#endif
514
515int acpi_register_wakeup_handler(
516 int wake_irq, bool (*wakeup)(void *context), void *context);
517void acpi_unregister_wakeup_handler(
518 bool (*wakeup)(void *context), void *context);
519
520struct acpi_osc_context {
521 char *uuid_str;
522 int rev;
523 struct acpi_buffer cap;
524 struct acpi_buffer ret;
525};
526
527acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
528
529
530#define OSC_QUERY_DWORD 0
531#define OSC_SUPPORT_DWORD 1
532#define OSC_CONTROL_DWORD 2
533
534
535#define OSC_QUERY_ENABLE 0x00000001
536#define OSC_REQUEST_ERROR 0x00000002
537#define OSC_INVALID_UUID_ERROR 0x00000004
538#define OSC_INVALID_REVISION_ERROR 0x00000008
539#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
540
541
542#define OSC_SB_PAD_SUPPORT 0x00000001
543#define OSC_SB_PPC_OST_SUPPORT 0x00000002
544#define OSC_SB_PR3_SUPPORT 0x00000004
545#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
546#define OSC_SB_APEI_SUPPORT 0x00000010
547#define OSC_SB_CPC_SUPPORT 0x00000020
548#define OSC_SB_CPCV2_SUPPORT 0x00000040
549#define OSC_SB_PCLPI_SUPPORT 0x00000080
550#define OSC_SB_OSLPI_SUPPORT 0x00000100
551#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
552#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
553#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
554
555extern bool osc_sb_apei_support_acked;
556extern bool osc_pc_lpi_support_confirmed;
557extern bool osc_sb_native_usb4_support_confirmed;
558
559
560#define OSC_USB_USB3_TUNNELING 0x00000001
561#define OSC_USB_DP_TUNNELING 0x00000002
562#define OSC_USB_PCIE_TUNNELING 0x00000004
563#define OSC_USB_XDOMAIN 0x00000008
564
565extern u32 osc_sb_native_usb4_control;
566
567
568#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
569#define OSC_PCI_ASPM_SUPPORT 0x00000002
570#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
571#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
572#define OSC_PCI_MSI_SUPPORT 0x00000010
573#define OSC_PCI_EDR_SUPPORT 0x00000080
574#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
575#define OSC_PCI_SUPPORT_MASKS 0x0000019f
576
577
578#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
579#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
580#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
581#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
582#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
583#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
584#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
585#define OSC_PCI_CONTROL_MASKS 0x000000bf
586
587#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
588#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
589#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
590#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
591#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
592#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
593#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
594#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
595#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
596#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
597
598
599#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
600 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
601 defined(CONFIG_ACPI_CONTAINER)
602#define ACPI_HOTPLUG_OST
603#endif
604
605
606#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
607#define ACPI_OST_EC_OSPM_EJECT 0x103
608#define ACPI_OST_EC_OSPM_INSERTION 0x200
609
610
611#define ACPI_OST_SC_SUCCESS 0x0
612#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
613#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
614
615
616#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
617#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
618#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
619#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
620
621
622#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
623#define ACPI_OST_SC_DEVICE_IN_USE 0x81
624#define ACPI_OST_SC_DEVICE_BUSY 0x82
625#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
626#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
627
628
629#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
630#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
631#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
632
633enum acpi_predicate {
634 all_versions,
635 less_than_or_equal,
636 equal,
637 greater_than_or_equal,
638};
639
640
641struct acpi_platform_list {
642 char oem_id[ACPI_OEM_ID_SIZE+1];
643 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
644 u32 oem_revision;
645 char *table;
646 enum acpi_predicate pred;
647 char *reason;
648 u32 data;
649};
650int acpi_match_platform_list(const struct acpi_platform_list *plat);
651
652extern void acpi_early_init(void);
653extern void acpi_subsystem_init(void);
654extern void arch_post_acpi_subsys_init(void);
655
656extern int acpi_nvs_register(__u64 start, __u64 size);
657
658extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
659 void *data);
660
661const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
662 const struct device *dev);
663
664const void *acpi_device_get_match_data(const struct device *dev);
665extern bool acpi_driver_match_device(struct device *dev,
666 const struct device_driver *drv);
667int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
668int acpi_device_modalias(struct device *, char *, int);
669void acpi_walk_dep_device_list(acpi_handle handle);
670
671struct platform_device *acpi_create_platform_device(struct acpi_device *,
672 struct property_entry *);
673#define ACPI_PTR(_ptr) (_ptr)
674
675static inline void acpi_device_set_enumerated(struct acpi_device *adev)
676{
677 adev->flags.visited = true;
678}
679
680static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
681{
682 adev->flags.visited = false;
683}
684
685enum acpi_reconfig_event {
686 ACPI_RECONFIG_DEVICE_ADD = 0,
687 ACPI_RECONFIG_DEVICE_REMOVE,
688};
689
690int acpi_reconfig_notifier_register(struct notifier_block *nb);
691int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
692
693#ifdef CONFIG_ACPI_GTDT
694int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
695int acpi_gtdt_map_ppi(int type);
696bool acpi_gtdt_c3stop(int type);
697int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
698#endif
699
700#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
701static inline void acpi_arch_set_root_pointer(u64 addr)
702{
703}
704#endif
705
706#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
707static inline u64 acpi_arch_get_root_pointer(void)
708{
709 return 0;
710}
711#endif
712
713#else
714
715#define acpi_disabled 1
716
717#define ACPI_COMPANION(dev) (NULL)
718#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
719#define ACPI_HANDLE(dev) (NULL)
720#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
721#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
722
723#include <acpi/acpi_numa.h>
724
725struct fwnode_handle;
726
727static inline bool acpi_dev_found(const char *hid)
728{
729 return false;
730}
731
732static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
733{
734 return false;
735}
736
737struct acpi_device;
738
739static inline bool
740acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
741{
742 return false;
743}
744
745static inline struct acpi_device *
746acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
747{
748 return NULL;
749}
750
751static inline void acpi_dev_put(struct acpi_device *adev) {}
752
753static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
754{
755 return false;
756}
757
758static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
759{
760 return false;
761}
762
763static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
764{
765 return NULL;
766}
767
768static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
769{
770 return false;
771}
772
773static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
774{
775 return NULL;
776}
777
778static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
779 const char *name)
780{
781 return false;
782}
783
784static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
785{
786 return NULL;
787}
788
789static inline bool has_acpi_companion(struct device *dev)
790{
791 return false;
792}
793
794static inline void acpi_preset_companion(struct device *dev,
795 struct acpi_device *parent, u64 addr)
796{
797}
798
799static inline const char *acpi_dev_name(struct acpi_device *adev)
800{
801 return NULL;
802}
803
804static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
805{
806 return NULL;
807}
808
809static inline void acpi_early_init(void) { }
810static inline void acpi_subsystem_init(void) { }
811
812static inline int early_acpi_boot_init(void)
813{
814 return 0;
815}
816static inline int acpi_boot_init(void)
817{
818 return 0;
819}
820
821static inline void acpi_boot_table_prepare(void)
822{
823}
824
825static inline void acpi_boot_table_init(void)
826{
827}
828
829static inline int acpi_mps_check(void)
830{
831 return 0;
832}
833
834static inline int acpi_check_resource_conflict(struct resource *res)
835{
836 return 0;
837}
838
839static inline int acpi_check_region(resource_size_t start, resource_size_t n,
840 const char *name)
841{
842 return 0;
843}
844
845struct acpi_table_header;
846static inline int acpi_table_parse(char *id,
847 int (*handler)(struct acpi_table_header *))
848{
849 return -ENODEV;
850}
851
852static inline int acpi_nvs_register(__u64 start, __u64 size)
853{
854 return 0;
855}
856
857static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
858 void *data)
859{
860 return 0;
861}
862
863struct acpi_device_id;
864
865static inline const struct acpi_device_id *acpi_match_device(
866 const struct acpi_device_id *ids, const struct device *dev)
867{
868 return NULL;
869}
870
871static inline const void *acpi_device_get_match_data(const struct device *dev)
872{
873 return NULL;
874}
875
876static inline bool acpi_driver_match_device(struct device *dev,
877 const struct device_driver *drv)
878{
879 return false;
880}
881
882static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
883 const guid_t *guid,
884 u64 rev, u64 func,
885 union acpi_object *argv4)
886{
887 return NULL;
888}
889
890static inline int acpi_device_uevent_modalias(struct device *dev,
891 struct kobj_uevent_env *env)
892{
893 return -ENODEV;
894}
895
896static inline int acpi_device_modalias(struct device *dev,
897 char *buf, int size)
898{
899 return -ENODEV;
900}
901
902static inline struct platform_device *
903acpi_create_platform_device(struct acpi_device *adev,
904 struct property_entry *properties)
905{
906 return NULL;
907}
908
909static inline bool acpi_dma_supported(struct acpi_device *adev)
910{
911 return false;
912}
913
914static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
915{
916 return DEV_DMA_NOT_SUPPORTED;
917}
918
919static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
920 u64 *offset, u64 *size)
921{
922 return -ENODEV;
923}
924
925static inline int acpi_dma_configure(struct device *dev,
926 enum dev_dma_attr attr)
927{
928 return 0;
929}
930
931static inline int acpi_dma_configure_id(struct device *dev,
932 enum dev_dma_attr attr,
933 const u32 *input_id)
934{
935 return 0;
936}
937
938#define ACPI_PTR(_ptr) (NULL)
939
940static inline void acpi_device_set_enumerated(struct acpi_device *adev)
941{
942}
943
944static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
945{
946}
947
948static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
949{
950 return -EINVAL;
951}
952
953static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
954{
955 return -EINVAL;
956}
957
958static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
959{
960 return NULL;
961}
962
963#endif
964
965#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
966int acpi_ioapic_add(acpi_handle root);
967#else
968static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
969#endif
970
971#ifdef CONFIG_ACPI
972void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
973 u32 pm1a_ctrl, u32 pm1b_ctrl));
974
975acpi_status acpi_os_prepare_sleep(u8 sleep_state,
976 u32 pm1a_control, u32 pm1b_control);
977
978void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
979 u32 val_a, u32 val_b));
980
981acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
982 u32 val_a, u32 val_b);
983
984#ifndef CONFIG_IA64
985void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
986#else
987static inline void arch_reserve_mem_area(acpi_physical_address addr,
988 size_t size)
989{
990}
991#endif
992#else
993#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
994#endif
995
996#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
997int acpi_dev_suspend(struct device *dev, bool wakeup);
998int acpi_dev_resume(struct device *dev);
999int acpi_subsys_runtime_suspend(struct device *dev);
1000int acpi_subsys_runtime_resume(struct device *dev);
1001int acpi_dev_pm_attach(struct device *dev, bool power_on);
1002#else
1003static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1004static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1005static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1006{
1007 return 0;
1008}
1009#endif
1010
1011#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1012int acpi_subsys_prepare(struct device *dev);
1013void acpi_subsys_complete(struct device *dev);
1014int acpi_subsys_suspend_late(struct device *dev);
1015int acpi_subsys_suspend_noirq(struct device *dev);
1016int acpi_subsys_suspend(struct device *dev);
1017int acpi_subsys_freeze(struct device *dev);
1018int acpi_subsys_poweroff(struct device *dev);
1019void acpi_ec_mark_gpe_for_wake(void);
1020void acpi_ec_set_gpe_wake_mask(u8 action);
1021#else
1022static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1023static inline void acpi_subsys_complete(struct device *dev) {}
1024static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1025static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1026static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1027static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1028static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1029static inline void acpi_ec_mark_gpe_for_wake(void) {}
1030static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1031#endif
1032
1033#ifdef CONFIG_ACPI
1034__printf(3, 4)
1035void acpi_handle_printk(const char *level, acpi_handle handle,
1036 const char *fmt, ...);
1037#else
1038static inline __printf(3, 4) void
1039acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1040#endif
1041
1042#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1043__printf(3, 4)
1044void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1045#endif
1046
1047
1048
1049
1050
1051
1052
1053#define acpi_handle_emerg(handle, fmt, ...) \
1054 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1055#define acpi_handle_alert(handle, fmt, ...) \
1056 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1057#define acpi_handle_crit(handle, fmt, ...) \
1058 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1059#define acpi_handle_err(handle, fmt, ...) \
1060 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1061#define acpi_handle_warn(handle, fmt, ...) \
1062 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1063#define acpi_handle_notice(handle, fmt, ...) \
1064 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1065#define acpi_handle_info(handle, fmt, ...) \
1066 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1067
1068#if defined(DEBUG)
1069#define acpi_handle_debug(handle, fmt, ...) \
1070 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1071#else
1072#if defined(CONFIG_DYNAMIC_DEBUG)
1073#define acpi_handle_debug(handle, fmt, ...) \
1074 _dynamic_func_call(fmt, __acpi_handle_debug, \
1075 handle, pr_fmt(fmt), ##__VA_ARGS__)
1076#else
1077#define acpi_handle_debug(handle, fmt, ...) \
1078({ \
1079 if (0) \
1080 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1081 0; \
1082})
1083#endif
1084#endif
1085
1086#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1087bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1088 struct acpi_resource_gpio **agpio);
1089int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index);
1090#else
1091static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1092 struct acpi_resource_gpio **agpio)
1093{
1094 return false;
1095}
1096static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev,
1097 const char *name, int index)
1098{
1099 return -ENXIO;
1100}
1101#endif
1102
1103static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1104{
1105 return acpi_dev_gpio_irq_get_by(adev, NULL, index);
1106}
1107
1108
1109
1110#ifdef CONFIG_ACPI
1111int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1112 acpi_object_type type, const union acpi_object **obj);
1113int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1114 const char *name, size_t index, size_t num_args,
1115 struct fwnode_reference_args *args);
1116
1117static inline int acpi_node_get_property_reference(
1118 const struct fwnode_handle *fwnode,
1119 const char *name, size_t index,
1120 struct fwnode_reference_args *args)
1121{
1122 return __acpi_node_get_property_reference(fwnode, name, index,
1123 NR_FWNODE_REFERENCE_ARGS, args);
1124}
1125
1126static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1127{
1128 return !list_empty(&adev->data.properties);
1129}
1130
1131struct acpi_device_properties *
1132acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1133 const union acpi_object *properties);
1134
1135int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1136 void **valptr);
1137
1138struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1139 struct fwnode_handle *child);
1140struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1141
1142struct acpi_probe_entry;
1143typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1144 struct acpi_probe_entry *);
1145
1146#define ACPI_TABLE_ID_LEN 5
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161struct acpi_probe_entry {
1162 __u8 id[ACPI_TABLE_ID_LEN];
1163 __u8 type;
1164 acpi_probe_entry_validate_subtbl subtable_valid;
1165 union {
1166 acpi_tbl_table_handler probe_table;
1167 acpi_tbl_entry_handler probe_subtbl;
1168 };
1169 kernel_ulong_t driver_data;
1170};
1171
1172#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1173 valid, data, fn) \
1174 static const struct acpi_probe_entry __acpi_probe_##name \
1175 __used __section("__" #table "_acpi_probe_table") = { \
1176 .id = table_id, \
1177 .type = subtable, \
1178 .subtable_valid = valid, \
1179 .probe_table = fn, \
1180 .driver_data = data, \
1181 }
1182
1183#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1184 subtable, valid, data, fn) \
1185 static const struct acpi_probe_entry __acpi_probe_##name \
1186 __used __section("__" #table "_acpi_probe_table") = { \
1187 .id = table_id, \
1188 .type = subtable, \
1189 .subtable_valid = valid, \
1190 .probe_subtbl = fn, \
1191 .driver_data = data, \
1192 }
1193
1194#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1195#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1196
1197int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1198
1199#define acpi_probe_device_table(t) \
1200 ({ \
1201 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1202 ACPI_PROBE_TABLE_END(t); \
1203 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1204 (&ACPI_PROBE_TABLE_END(t) - \
1205 &ACPI_PROBE_TABLE(t))); \
1206 })
1207#else
1208static inline int acpi_dev_get_property(struct acpi_device *adev,
1209 const char *name, acpi_object_type type,
1210 const union acpi_object **obj)
1211{
1212 return -ENXIO;
1213}
1214
1215static inline int
1216__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1217 const char *name, size_t index, size_t num_args,
1218 struct fwnode_reference_args *args)
1219{
1220 return -ENXIO;
1221}
1222
1223static inline int
1224acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1225 const char *name, size_t index,
1226 struct fwnode_reference_args *args)
1227{
1228 return -ENXIO;
1229}
1230
1231static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1232 const char *propname,
1233 void **valptr)
1234{
1235 return -ENXIO;
1236}
1237
1238static inline struct fwnode_handle *
1239acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1240 struct fwnode_handle *child)
1241{
1242 return NULL;
1243}
1244
1245static inline struct fwnode_handle *
1246acpi_node_get_parent(const struct fwnode_handle *fwnode)
1247{
1248 return NULL;
1249}
1250
1251static inline struct fwnode_handle *
1252acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1253 struct fwnode_handle *prev)
1254{
1255 return ERR_PTR(-ENXIO);
1256}
1257
1258static inline int
1259acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1260 struct fwnode_handle **remote,
1261 struct fwnode_handle **port,
1262 struct fwnode_handle **endpoint)
1263{
1264 return -ENXIO;
1265}
1266
1267#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1268 static const void * __acpi_table_##name[] \
1269 __attribute__((unused)) \
1270 = { (void *) table_id, \
1271 (void *) subtable, \
1272 (void *) valid, \
1273 (void *) fn, \
1274 (void *) data }
1275
1276#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1277#endif
1278
1279#ifdef CONFIG_ACPI_TABLE_UPGRADE
1280void acpi_table_upgrade(void);
1281#else
1282static inline void acpi_table_upgrade(void) { }
1283#endif
1284
1285#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1286extern bool acpi_has_watchdog(void);
1287#else
1288static inline bool acpi_has_watchdog(void) { return false; }
1289#endif
1290
1291#ifdef CONFIG_ACPI_SPCR_TABLE
1292extern bool qdf2400_e44_present;
1293int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1294#else
1295static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1296{
1297 return 0;
1298}
1299#endif
1300
1301#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1302int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1303#else
1304static inline
1305int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1306{
1307 return -EINVAL;
1308}
1309#endif
1310
1311#ifdef CONFIG_ACPI_LPIT
1312int lpit_read_residency_count_address(u64 *address);
1313#else
1314static inline int lpit_read_residency_count_address(u64 *address)
1315{
1316 return -EINVAL;
1317}
1318#endif
1319
1320#ifdef CONFIG_ACPI_PPTT
1321int acpi_pptt_cpu_is_thread(unsigned int cpu);
1322int find_acpi_cpu_topology(unsigned int cpu, int level);
1323int find_acpi_cpu_topology_package(unsigned int cpu);
1324int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1325int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1326#else
1327static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1328{
1329 return -EINVAL;
1330}
1331static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1332{
1333 return -EINVAL;
1334}
1335static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1336{
1337 return -EINVAL;
1338}
1339static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1340{
1341 return -EINVAL;
1342}
1343static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1344{
1345 return -EINVAL;
1346}
1347#endif
1348
1349#ifdef CONFIG_ACPI
1350extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1351#else
1352static inline int
1353acpi_platform_notify(struct device *dev, enum kobject_action action)
1354{
1355 return 0;
1356}
1357#endif
1358
1359#endif
1360
