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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->ops = &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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73
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78
79
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_init (void);
226int acpi_mps_check (void);
227int acpi_numa_init (void);
228
229int acpi_table_init (void);
230int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
231int __init acpi_table_parse_entries(char *id, unsigned long table_size,
232 int entry_id,
233 acpi_tbl_entry_handler handler,
234 unsigned int max_entries);
235int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
236 struct acpi_subtable_proc *proc, int proc_num,
237 unsigned int max_entries);
238int acpi_table_parse_madt(enum acpi_madt_type id,
239 acpi_tbl_entry_handler handler,
240 unsigned int max_entries);
241int acpi_parse_mcfg (struct acpi_table_header *header);
242void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
243
244
245void acpi_numa_slit_init (struct acpi_table_slit *slit);
246
247#if defined(CONFIG_X86) || defined(CONFIG_IA64)
248void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
249#else
250static inline void
251acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
252#endif
253
254void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
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
263int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
264
265#ifndef PHYS_CPUID_INVALID
266typedef u32 phys_cpuid_t;
267#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
268#endif
269
270static inline bool invalid_logical_cpuid(u32 cpuid)
271{
272 return (int)cpuid < 0;
273}
274
275static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
276{
277 return phys_id == PHYS_CPUID_INVALID;
278}
279
280
281bool acpi_duplicate_processor_id(int proc_id);
282
283struct acpi_processor_power;
284
285#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
286bool acpi_processor_claim_cst_control(void);
287int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
288 struct acpi_processor_power *info);
289#else
290static inline bool acpi_processor_claim_cst_control(void) { return false; }
291static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
292 struct acpi_processor_power *info)
293{
294 return -ENODEV;
295}
296#endif
297
298#ifdef CONFIG_ACPI_HOTPLUG_CPU
299
300int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
301 int *pcpu);
302int acpi_unmap_cpu(int cpu);
303#endif
304
305#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
306int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
307#endif
308
309int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
310int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
311int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
312void acpi_irq_stats_init(void);
313extern u32 acpi_irq_handled;
314extern u32 acpi_irq_not_handled;
315extern unsigned int acpi_sci_irq;
316extern bool acpi_no_s5;
317#define INVALID_ACPI_IRQ ((unsigned)-1)
318static inline bool acpi_sci_irq_valid(void)
319{
320 return acpi_sci_irq != INVALID_ACPI_IRQ;
321}
322
323extern int sbf_port;
324extern unsigned long acpi_realmode_flags;
325
326int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
327int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
328int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
329
330void acpi_set_irq_model(enum acpi_irq_model_id model,
331 struct fwnode_handle *fwnode);
332
333struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
334 unsigned int size,
335 struct fwnode_handle *fwnode,
336 const struct irq_domain_ops *ops,
337 void *host_data);
338
339#ifdef CONFIG_X86_IO_APIC
340extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
341#else
342static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
343{
344 return -1;
345}
346#endif
347
348
349
350
351
352void acpi_unregister_gsi (u32 gsi);
353
354struct pci_dev;
355
356int acpi_pci_irq_enable (struct pci_dev *dev);
357void acpi_penalize_isa_irq(int irq, int active);
358bool acpi_isa_irq_available(int irq);
359#ifdef CONFIG_PCI
360void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
361#else
362static inline void acpi_penalize_sci_irq(int irq, int trigger,
363 int polarity)
364{
365}
366#endif
367void acpi_pci_irq_disable (struct pci_dev *dev);
368
369extern int ec_read(u8 addr, u8 *val);
370extern int ec_write(u8 addr, u8 val);
371extern int ec_transaction(u8 command,
372 const u8 *wdata, unsigned wdata_len,
373 u8 *rdata, unsigned rdata_len);
374extern acpi_handle ec_get_handle(void);
375
376extern bool acpi_is_pnp_device(struct acpi_device *);
377
378#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
379
380typedef void (*wmi_notify_handler) (u32 value, void *context);
381
382extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
383 u32 method_id,
384 const struct acpi_buffer *in,
385 struct acpi_buffer *out);
386extern acpi_status wmi_query_block(const char *guid, u8 instance,
387 struct acpi_buffer *out);
388extern acpi_status wmi_set_block(const char *guid, u8 instance,
389 const struct acpi_buffer *in);
390extern acpi_status wmi_install_notify_handler(const char *guid,
391 wmi_notify_handler handler, void *data);
392extern acpi_status wmi_remove_notify_handler(const char *guid);
393extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
394extern bool wmi_has_guid(const char *guid);
395extern char *wmi_get_acpi_device_uid(const char *guid);
396
397#endif
398
399#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
400#define ACPI_VIDEO_DEVICE_POSTING 0x0002
401#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
402#define ACPI_VIDEO_BACKLIGHT 0x0008
403#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
404#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
405#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
406#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
407#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
408#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
409#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
410#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
411
412extern char acpi_video_backlight_string[];
413extern long acpi_is_video_device(acpi_handle handle);
414extern int acpi_blacklisted(void);
415extern void acpi_osi_setup(char *str);
416extern bool acpi_osi_is_win8(void);
417
418#ifdef CONFIG_ACPI_NUMA
419int acpi_map_pxm_to_node(int pxm);
420int acpi_get_node(acpi_handle handle);
421
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432
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434
435
436static inline int pxm_to_online_node(int pxm)
437{
438 int node = pxm_to_node(pxm);
439
440 return numa_map_to_online_node(node);
441}
442#else
443static inline int pxm_to_online_node(int pxm)
444{
445 return 0;
446}
447static inline int acpi_map_pxm_to_node(int pxm)
448{
449 return 0;
450}
451static inline int acpi_get_node(acpi_handle handle)
452{
453 return 0;
454}
455#endif
456extern int acpi_paddr_to_node(u64 start_addr, u64 size);
457
458extern int pnpacpi_disabled;
459
460#define PXM_INVAL (-1)
461
462bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
463bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
464bool acpi_dev_resource_address_space(struct acpi_resource *ares,
465 struct resource_win *win);
466bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
467 struct resource_win *win);
468unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
469unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
470bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
471 struct resource *res);
472
473void acpi_dev_free_resource_list(struct list_head *list);
474int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
475 int (*preproc)(struct acpi_resource *, void *),
476 void *preproc_data);
477int acpi_dev_get_dma_resources(struct acpi_device *adev,
478 struct list_head *list);
479int acpi_dev_filter_resource_type(struct acpi_resource *ares,
480 unsigned long types);
481
482static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
483 void *arg)
484{
485 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
486}
487
488struct acpi_device *acpi_resource_consumer(struct resource *res);
489
490int acpi_check_resource_conflict(const struct resource *res);
491
492int acpi_check_region(resource_size_t start, resource_size_t n,
493 const char *name);
494
495acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
496 u32 level);
497
498int acpi_resources_are_enforced(void);
499
500#ifdef CONFIG_HIBERNATION
501void __init acpi_no_s4_hw_signature(void);
502#endif
503
504#ifdef CONFIG_PM_SLEEP
505void __init acpi_old_suspend_ordering(void);
506void __init acpi_nvs_nosave(void);
507void __init acpi_nvs_nosave_s3(void);
508void __init acpi_sleep_no_blacklist(void);
509#endif
510
511int acpi_register_wakeup_handler(
512 int wake_irq, bool (*wakeup)(void *context), void *context);
513void acpi_unregister_wakeup_handler(
514 bool (*wakeup)(void *context), void *context);
515
516struct acpi_osc_context {
517 char *uuid_str;
518 int rev;
519 struct acpi_buffer cap;
520 struct acpi_buffer ret;
521};
522
523acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
524
525
526#define OSC_QUERY_DWORD 0
527#define OSC_SUPPORT_DWORD 1
528#define OSC_CONTROL_DWORD 2
529
530
531#define OSC_QUERY_ENABLE 0x00000001
532#define OSC_REQUEST_ERROR 0x00000002
533#define OSC_INVALID_UUID_ERROR 0x00000004
534#define OSC_INVALID_REVISION_ERROR 0x00000008
535#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
536
537
538#define OSC_SB_PAD_SUPPORT 0x00000001
539#define OSC_SB_PPC_OST_SUPPORT 0x00000002
540#define OSC_SB_PR3_SUPPORT 0x00000004
541#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
542#define OSC_SB_APEI_SUPPORT 0x00000010
543#define OSC_SB_CPC_SUPPORT 0x00000020
544#define OSC_SB_CPCV2_SUPPORT 0x00000040
545#define OSC_SB_PCLPI_SUPPORT 0x00000080
546#define OSC_SB_OSLPI_SUPPORT 0x00000100
547#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
548#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
549
550extern bool osc_sb_apei_support_acked;
551extern bool osc_pc_lpi_support_confirmed;
552
553
554#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
555#define OSC_PCI_ASPM_SUPPORT 0x00000002
556#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
557#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
558#define OSC_PCI_MSI_SUPPORT 0x00000010
559#define OSC_PCI_EDR_SUPPORT 0x00000080
560#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
561#define OSC_PCI_SUPPORT_MASKS 0x0000019f
562
563
564#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
565#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
566#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
567#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
568#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
569#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
570#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
571#define OSC_PCI_CONTROL_MASKS 0x000000bf
572
573#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
574#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
575#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
576#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
577#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
578#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
579#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
580#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
581#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
582#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
583
584extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
585 u32 *mask, u32 req);
586
587
588#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
589 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
590 defined(CONFIG_ACPI_CONTAINER)
591#define ACPI_HOTPLUG_OST
592#endif
593
594
595#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
596#define ACPI_OST_EC_OSPM_EJECT 0x103
597#define ACPI_OST_EC_OSPM_INSERTION 0x200
598
599
600#define ACPI_OST_SC_SUCCESS 0x0
601#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
602#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
603
604
605#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
606#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
607#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
608#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
609
610
611#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
612#define ACPI_OST_SC_DEVICE_IN_USE 0x81
613#define ACPI_OST_SC_DEVICE_BUSY 0x82
614#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
615#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
616
617
618#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
619#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
620#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
621
622enum acpi_predicate {
623 all_versions,
624 less_than_or_equal,
625 equal,
626 greater_than_or_equal,
627};
628
629
630struct acpi_platform_list {
631 char oem_id[ACPI_OEM_ID_SIZE+1];
632 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
633 u32 oem_revision;
634 char *table;
635 enum acpi_predicate pred;
636 char *reason;
637 u32 data;
638};
639int acpi_match_platform_list(const struct acpi_platform_list *plat);
640
641extern void acpi_early_init(void);
642extern void acpi_subsystem_init(void);
643extern void arch_post_acpi_subsys_init(void);
644
645extern int acpi_nvs_register(__u64 start, __u64 size);
646
647extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
648 void *data);
649
650const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
651 const struct device *dev);
652
653const void *acpi_device_get_match_data(const struct device *dev);
654extern bool acpi_driver_match_device(struct device *dev,
655 const struct device_driver *drv);
656int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
657int acpi_device_modalias(struct device *, char *, int);
658void acpi_walk_dep_device_list(acpi_handle handle);
659
660struct platform_device *acpi_create_platform_device(struct acpi_device *,
661 struct property_entry *);
662#define ACPI_PTR(_ptr) (_ptr)
663
664static inline void acpi_device_set_enumerated(struct acpi_device *adev)
665{
666 adev->flags.visited = true;
667}
668
669static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
670{
671 adev->flags.visited = false;
672}
673
674enum acpi_reconfig_event {
675 ACPI_RECONFIG_DEVICE_ADD = 0,
676 ACPI_RECONFIG_DEVICE_REMOVE,
677};
678
679int acpi_reconfig_notifier_register(struct notifier_block *nb);
680int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
681
682#ifdef CONFIG_ACPI_GTDT
683int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
684int acpi_gtdt_map_ppi(int type);
685bool acpi_gtdt_c3stop(int type);
686int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
687#endif
688
689#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
690static inline void acpi_arch_set_root_pointer(u64 addr)
691{
692}
693#endif
694
695#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
696static inline u64 acpi_arch_get_root_pointer(void)
697{
698 return 0;
699}
700#endif
701
702#else
703
704#define acpi_disabled 1
705
706#define ACPI_COMPANION(dev) (NULL)
707#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
708#define ACPI_HANDLE(dev) (NULL)
709#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
710#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
711
712#include <acpi/acpi_numa.h>
713
714struct fwnode_handle;
715
716static inline bool acpi_dev_found(const char *hid)
717{
718 return false;
719}
720
721static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
722{
723 return false;
724}
725
726struct acpi_device;
727
728static inline bool
729acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
730{
731 return false;
732}
733
734static inline struct acpi_device *
735acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
736{
737 return NULL;
738}
739
740static inline void acpi_dev_put(struct acpi_device *adev) {}
741
742static inline bool is_acpi_node(struct fwnode_handle *fwnode)
743{
744 return false;
745}
746
747static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
748{
749 return false;
750}
751
752static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
753{
754 return NULL;
755}
756
757static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
758{
759 return false;
760}
761
762static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
763{
764 return NULL;
765}
766
767static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
768 const char *name)
769{
770 return false;
771}
772
773static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
774{
775 return NULL;
776}
777
778static inline bool has_acpi_companion(struct device *dev)
779{
780 return false;
781}
782
783static inline void acpi_preset_companion(struct device *dev,
784 struct acpi_device *parent, u64 addr)
785{
786}
787
788static inline const char *acpi_dev_name(struct acpi_device *adev)
789{
790 return NULL;
791}
792
793static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
794{
795 return NULL;
796}
797
798static inline void acpi_early_init(void) { }
799static inline void acpi_subsystem_init(void) { }
800
801static inline int early_acpi_boot_init(void)
802{
803 return 0;
804}
805static inline int acpi_boot_init(void)
806{
807 return 0;
808}
809
810static inline void acpi_boot_table_init(void)
811{
812 return;
813}
814
815static inline int acpi_mps_check(void)
816{
817 return 0;
818}
819
820static inline int acpi_check_resource_conflict(struct resource *res)
821{
822 return 0;
823}
824
825static inline int acpi_check_region(resource_size_t start, resource_size_t n,
826 const char *name)
827{
828 return 0;
829}
830
831struct acpi_table_header;
832static inline int acpi_table_parse(char *id,
833 int (*handler)(struct acpi_table_header *))
834{
835 return -ENODEV;
836}
837
838static inline int acpi_nvs_register(__u64 start, __u64 size)
839{
840 return 0;
841}
842
843static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
844 void *data)
845{
846 return 0;
847}
848
849struct acpi_device_id;
850
851static inline const struct acpi_device_id *acpi_match_device(
852 const struct acpi_device_id *ids, const struct device *dev)
853{
854 return NULL;
855}
856
857static inline const void *acpi_device_get_match_data(const struct device *dev)
858{
859 return NULL;
860}
861
862static inline bool acpi_driver_match_device(struct device *dev,
863 const struct device_driver *drv)
864{
865 return false;
866}
867
868static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
869 const guid_t *guid,
870 u64 rev, u64 func,
871 union acpi_object *argv4)
872{
873 return NULL;
874}
875
876static inline int acpi_device_uevent_modalias(struct device *dev,
877 struct kobj_uevent_env *env)
878{
879 return -ENODEV;
880}
881
882static inline int acpi_device_modalias(struct device *dev,
883 char *buf, int size)
884{
885 return -ENODEV;
886}
887
888static inline bool acpi_dma_supported(struct acpi_device *adev)
889{
890 return false;
891}
892
893static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
894{
895 return DEV_DMA_NOT_SUPPORTED;
896}
897
898static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
899 u64 *offset, u64 *size)
900{
901 return -ENODEV;
902}
903
904static inline int acpi_dma_configure(struct device *dev,
905 enum dev_dma_attr attr)
906{
907 return 0;
908}
909
910static inline int acpi_dma_configure_id(struct device *dev,
911 enum dev_dma_attr attr,
912 const u32 *input_id)
913{
914 return 0;
915}
916
917#define ACPI_PTR(_ptr) (NULL)
918
919static inline void acpi_device_set_enumerated(struct acpi_device *adev)
920{
921}
922
923static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
924{
925}
926
927static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
928{
929 return -EINVAL;
930}
931
932static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
933{
934 return -EINVAL;
935}
936
937static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
938{
939 return NULL;
940}
941
942#endif
943
944#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
945int acpi_ioapic_add(acpi_handle root);
946#else
947static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
948#endif
949
950#ifdef CONFIG_ACPI
951void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
952 u32 pm1a_ctrl, u32 pm1b_ctrl));
953
954acpi_status acpi_os_prepare_sleep(u8 sleep_state,
955 u32 pm1a_control, u32 pm1b_control);
956
957void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
958 u32 val_a, u32 val_b));
959
960acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
961 u32 val_a, u32 val_b);
962
963#ifndef CONFIG_IA64
964void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
965#else
966static inline void arch_reserve_mem_area(acpi_physical_address addr,
967 size_t size)
968{
969}
970#endif
971#else
972#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
973#endif
974
975#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
976int acpi_dev_suspend(struct device *dev, bool wakeup);
977int acpi_dev_resume(struct device *dev);
978int acpi_subsys_runtime_suspend(struct device *dev);
979int acpi_subsys_runtime_resume(struct device *dev);
980int acpi_dev_pm_attach(struct device *dev, bool power_on);
981#else
982static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
983static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
984static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
985{
986 return 0;
987}
988#endif
989
990#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
991int acpi_subsys_prepare(struct device *dev);
992void acpi_subsys_complete(struct device *dev);
993int acpi_subsys_suspend_late(struct device *dev);
994int acpi_subsys_suspend_noirq(struct device *dev);
995int acpi_subsys_suspend(struct device *dev);
996int acpi_subsys_freeze(struct device *dev);
997int acpi_subsys_poweroff(struct device *dev);
998void acpi_ec_mark_gpe_for_wake(void);
999void acpi_ec_set_gpe_wake_mask(u8 action);
1000#else
1001static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1002static inline void acpi_subsys_complete(struct device *dev) {}
1003static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1004static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1005static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1006static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1007static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1008static inline void acpi_ec_mark_gpe_for_wake(void) {}
1009static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1010#endif
1011
1012#ifdef CONFIG_ACPI
1013__printf(3, 4)
1014void acpi_handle_printk(const char *level, acpi_handle handle,
1015 const char *fmt, ...);
1016#else
1017static inline __printf(3, 4) void
1018acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1019#endif
1020
1021#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1022__printf(3, 4)
1023void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1024#endif
1025
1026
1027
1028
1029
1030
1031
1032#define acpi_handle_emerg(handle, fmt, ...) \
1033 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1034#define acpi_handle_alert(handle, fmt, ...) \
1035 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1036#define acpi_handle_crit(handle, fmt, ...) \
1037 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1038#define acpi_handle_err(handle, fmt, ...) \
1039 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1040#define acpi_handle_warn(handle, fmt, ...) \
1041 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1042#define acpi_handle_notice(handle, fmt, ...) \
1043 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1044#define acpi_handle_info(handle, fmt, ...) \
1045 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1046
1047#if defined(DEBUG)
1048#define acpi_handle_debug(handle, fmt, ...) \
1049 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1050#else
1051#if defined(CONFIG_DYNAMIC_DEBUG)
1052#define acpi_handle_debug(handle, fmt, ...) \
1053 _dynamic_func_call(fmt, __acpi_handle_debug, \
1054 handle, pr_fmt(fmt), ##__VA_ARGS__)
1055#else
1056#define acpi_handle_debug(handle, fmt, ...) \
1057({ \
1058 if (0) \
1059 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1060 0; \
1061})
1062#endif
1063#endif
1064
1065#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1066bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1067 struct acpi_resource_gpio **agpio);
1068int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1069#else
1070static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1071 struct acpi_resource_gpio **agpio)
1072{
1073 return false;
1074}
1075static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1076{
1077 return -ENXIO;
1078}
1079#endif
1080
1081
1082
1083#ifdef CONFIG_ACPI
1084int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1085 acpi_object_type type, const union acpi_object **obj);
1086int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1087 const char *name, size_t index, size_t num_args,
1088 struct fwnode_reference_args *args);
1089
1090static inline int acpi_node_get_property_reference(
1091 const struct fwnode_handle *fwnode,
1092 const char *name, size_t index,
1093 struct fwnode_reference_args *args)
1094{
1095 return __acpi_node_get_property_reference(fwnode, name, index,
1096 NR_FWNODE_REFERENCE_ARGS, args);
1097}
1098
1099static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1100{
1101 return !list_empty(&adev->data.properties);
1102}
1103
1104struct acpi_device_properties *
1105acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1106 const union acpi_object *properties);
1107
1108int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1109 void **valptr);
1110int acpi_dev_prop_read_single(struct acpi_device *adev,
1111 const char *propname, enum dev_prop_type proptype,
1112 void *val);
1113int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1114 const char *propname, enum dev_prop_type proptype,
1115 void *val, size_t nval);
1116int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1117 enum dev_prop_type proptype, void *val, size_t nval);
1118
1119struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1120 struct fwnode_handle *child);
1121struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1122
1123struct acpi_probe_entry;
1124typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1125 struct acpi_probe_entry *);
1126
1127#define ACPI_TABLE_ID_LEN 5
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142struct acpi_probe_entry {
1143 __u8 id[ACPI_TABLE_ID_LEN];
1144 __u8 type;
1145 acpi_probe_entry_validate_subtbl subtable_valid;
1146 union {
1147 acpi_tbl_table_handler probe_table;
1148 acpi_tbl_entry_handler probe_subtbl;
1149 };
1150 kernel_ulong_t driver_data;
1151};
1152
1153#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1154 valid, data, fn) \
1155 static const struct acpi_probe_entry __acpi_probe_##name \
1156 __used __section("__" #table "_acpi_probe_table") = { \
1157 .id = table_id, \
1158 .type = subtable, \
1159 .subtable_valid = valid, \
1160 .probe_table = fn, \
1161 .driver_data = data, \
1162 }
1163
1164#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1165 subtable, valid, data, fn) \
1166 static const struct acpi_probe_entry __acpi_probe_##name \
1167 __used __section("__" #table "_acpi_probe_table") = { \
1168 .id = table_id, \
1169 .type = subtable, \
1170 .subtable_valid = valid, \
1171 .probe_subtbl = fn, \
1172 .driver_data = data, \
1173 }
1174
1175#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1176#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1177
1178int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1179
1180#define acpi_probe_device_table(t) \
1181 ({ \
1182 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1183 ACPI_PROBE_TABLE_END(t); \
1184 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1185 (&ACPI_PROBE_TABLE_END(t) - \
1186 &ACPI_PROBE_TABLE(t))); \
1187 })
1188#else
1189static inline int acpi_dev_get_property(struct acpi_device *adev,
1190 const char *name, acpi_object_type type,
1191 const union acpi_object **obj)
1192{
1193 return -ENXIO;
1194}
1195
1196static inline int
1197__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1198 const char *name, size_t index, size_t num_args,
1199 struct fwnode_reference_args *args)
1200{
1201 return -ENXIO;
1202}
1203
1204static inline int
1205acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1206 const char *name, size_t index,
1207 struct fwnode_reference_args *args)
1208{
1209 return -ENXIO;
1210}
1211
1212static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1213 const char *propname,
1214 void **valptr)
1215{
1216 return -ENXIO;
1217}
1218
1219static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1220 const char *propname,
1221 enum dev_prop_type proptype,
1222 void *val)
1223{
1224 return -ENXIO;
1225}
1226
1227static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1228 const char *propname,
1229 enum dev_prop_type proptype,
1230 void *val, size_t nval)
1231{
1232 return -ENXIO;
1233}
1234
1235static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1236 const char *propname,
1237 enum dev_prop_type proptype,
1238 void *val, size_t nval)
1239{
1240 return -ENXIO;
1241}
1242
1243static inline struct fwnode_handle *
1244acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1245 struct fwnode_handle *child)
1246{
1247 return NULL;
1248}
1249
1250static inline struct fwnode_handle *
1251acpi_node_get_parent(const struct fwnode_handle *fwnode)
1252{
1253 return NULL;
1254}
1255
1256static inline struct fwnode_handle *
1257acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1258 struct fwnode_handle *prev)
1259{
1260 return ERR_PTR(-ENXIO);
1261}
1262
1263static inline int
1264acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1265 struct fwnode_handle **remote,
1266 struct fwnode_handle **port,
1267 struct fwnode_handle **endpoint)
1268{
1269 return -ENXIO;
1270}
1271
1272#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1273 static const void * __acpi_table_##name[] \
1274 __attribute__((unused)) \
1275 = { (void *) table_id, \
1276 (void *) subtable, \
1277 (void *) valid, \
1278 (void *) fn, \
1279 (void *) data }
1280
1281#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1282#endif
1283
1284#ifdef CONFIG_ACPI_TABLE_UPGRADE
1285void acpi_table_upgrade(void);
1286#else
1287static inline void acpi_table_upgrade(void) { }
1288#endif
1289
1290#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1291extern bool acpi_has_watchdog(void);
1292#else
1293static inline bool acpi_has_watchdog(void) { return false; }
1294#endif
1295
1296#ifdef CONFIG_ACPI_SPCR_TABLE
1297extern bool qdf2400_e44_present;
1298int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1299#else
1300static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1301{
1302 return 0;
1303}
1304#endif
1305
1306#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1307int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1308#else
1309static inline
1310int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1311{
1312 return -EINVAL;
1313}
1314#endif
1315
1316#ifdef CONFIG_ACPI_LPIT
1317int lpit_read_residency_count_address(u64 *address);
1318#else
1319static inline int lpit_read_residency_count_address(u64 *address)
1320{
1321 return -EINVAL;
1322}
1323#endif
1324
1325#ifdef CONFIG_ACPI_PPTT
1326int acpi_pptt_cpu_is_thread(unsigned int cpu);
1327int find_acpi_cpu_topology(unsigned int cpu, int level);
1328int find_acpi_cpu_topology_package(unsigned int cpu);
1329int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1330int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1331#else
1332static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1333{
1334 return -EINVAL;
1335}
1336static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1337{
1338 return -EINVAL;
1339}
1340static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1341{
1342 return -EINVAL;
1343}
1344static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1345{
1346 return -EINVAL;
1347}
1348static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1349{
1350 return -EINVAL;
1351}
1352#endif
1353
1354#ifdef CONFIG_ACPI
1355extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1356#else
1357static inline int
1358acpi_platform_notify(struct device *dev, enum kobject_action action)
1359{
1360 return 0;
1361}
1362#endif
1363
1364#endif
1365