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25#ifndef _LINUX_ACPI_H
26#define _LINUX_ACPI_H
27
28#include <linux/errno.h>
29#include <linux/ioport.h>
30#include <linux/resource_ext.h>
31#include <linux/device.h>
32#include <linux/property.h>
33
34#ifndef _LINUX
35#define _LINUX
36#endif
37#include <acpi/acpi.h>
38
39#ifdef CONFIG_ACPI
40
41#include <linux/list.h>
42#include <linux/mod_devicetable.h>
43#include <linux/dynamic_debug.h>
44#include <linux/uuid.h>
45
46#include <acpi/acpi_bus.h>
47#include <acpi/acpi_drivers.h>
48#include <acpi/acpi_numa.h>
49#include <acpi/acpi_io.h>
50#include <asm/acpi.h>
51
52static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53{
54 return adev ? adev->handle : NULL;
55}
56
57#define ACPI_COMPANION(dev) to_acpi_device_node(get_rh_dev_fwnode(dev))
58#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61
62static inline bool has_acpi_companion(struct device *dev)
63{
64 return is_acpi_node(get_rh_dev_fwnode(dev));
65}
66
67static inline void acpi_preset_companion(struct device *dev,
68 struct acpi_device *parent, u64 addr)
69{
70 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
71}
72
73static inline const char *acpi_dev_name(struct acpi_device *adev)
74{
75 return dev_name(&adev->dev);
76}
77
78struct device *acpi_get_first_physical_node(struct acpi_device *adev);
79
80enum acpi_irq_model_id {
81 ACPI_IRQ_MODEL_PIC = 0,
82 ACPI_IRQ_MODEL_IOAPIC,
83 ACPI_IRQ_MODEL_IOSAPIC,
84 ACPI_IRQ_MODEL_PLATFORM,
85 ACPI_IRQ_MODEL_COUNT
86};
87
88extern enum acpi_irq_model_id acpi_irq_model;
89
90enum acpi_interrupt_id {
91 ACPI_INTERRUPT_PMI = 1,
92 ACPI_INTERRUPT_INIT,
93 ACPI_INTERRUPT_CPEI,
94 ACPI_INTERRUPT_COUNT
95};
96
97#define ACPI_SPACE_MEM 0
98
99enum acpi_address_range_id {
100 ACPI_ADDRESS_RANGE_MEMORY = 1,
101 ACPI_ADDRESS_RANGE_RESERVED = 2,
102 ACPI_ADDRESS_RANGE_ACPI = 3,
103 ACPI_ADDRESS_RANGE_NVS = 4,
104 ACPI_ADDRESS_RANGE_COUNT
105};
106
107
108
109
110typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
111
112typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
113 const unsigned long end);
114
115#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
116void acpi_initrd_override(void *data, size_t size);
117#else
118static inline void acpi_initrd_override(void *data, size_t size)
119{
120}
121#endif
122
123struct acpi_subtable_proc {
124 int id;
125 acpi_tbl_entry_handler handler;
126 int count;
127};
128
129char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
130void __acpi_unmap_table(char *map, unsigned long size);
131int early_acpi_boot_init(void);
132int acpi_boot_init (void);
133void acpi_boot_table_init (void);
134int acpi_mps_check (void);
135int acpi_numa_init (void);
136
137int acpi_table_init (void);
138int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
139int __init acpi_parse_entries(char *id, unsigned long table_size,
140 acpi_tbl_entry_handler handler,
141 struct acpi_table_header *table_header,
142 int entry_id, unsigned int max_entries);
143int __init acpi_table_parse_entries(char *id, unsigned long table_size,
144 int entry_id,
145 acpi_tbl_entry_handler handler,
146 unsigned int max_entries);
147int __init acpi_table_parse_entries(char *id, unsigned long table_size,
148 int entry_id,
149 acpi_tbl_entry_handler handler,
150 unsigned int max_entries);
151int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
152 struct acpi_subtable_proc *proc, int proc_num,
153 unsigned int max_entries);
154int acpi_table_parse_madt(enum acpi_madt_type id,
155 acpi_tbl_entry_handler handler,
156 unsigned int max_entries);
157int acpi_parse_mcfg (struct acpi_table_header *header);
158void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
159
160
161void acpi_numa_slit_init (struct acpi_table_slit *slit);
162void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
163void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
164int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
165void acpi_numa_arch_fixup(void);
166
167#ifdef CONFIG_ACPI_HOTPLUG_CPU
168
169int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
170int acpi_unmap_lsapic(int cpu);
171#endif
172
173int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
174int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
175void acpi_irq_stats_init(void);
176extern u32 acpi_irq_handled;
177extern u32 acpi_irq_not_handled;
178
179extern int sbf_port;
180extern unsigned long acpi_realmode_flags;
181
182int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
183int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
184int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
185
186#ifdef CONFIG_X86_IO_APIC
187extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
188#else
189#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
190#endif
191
192
193
194
195
196void acpi_unregister_gsi (u32 gsi);
197
198struct pci_dev;
199
200int acpi_pci_irq_enable (struct pci_dev *dev);
201void acpi_penalize_isa_irq(int irq, int active);
202
203void acpi_pci_irq_disable (struct pci_dev *dev);
204
205extern int ec_read(u8 addr, u8 *val);
206extern int ec_write(u8 addr, u8 val);
207extern int ec_transaction(u8 command,
208 const u8 *wdata, unsigned wdata_len,
209 u8 *rdata, unsigned rdata_len);
210extern acpi_handle ec_get_handle(void);
211
212extern bool acpi_is_pnp_device(struct acpi_device *);
213
214#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
215
216typedef void (*wmi_notify_handler) (u32 value, void *context);
217
218extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
219 u32 method_id,
220 const struct acpi_buffer *in,
221 struct acpi_buffer *out);
222extern acpi_status wmi_query_block(const char *guid, u8 instance,
223 struct acpi_buffer *out);
224extern acpi_status wmi_set_block(const char *guid, u8 instance,
225 const struct acpi_buffer *in);
226extern acpi_status wmi_install_notify_handler(const char *guid,
227 wmi_notify_handler handler, void *data);
228extern acpi_status wmi_remove_notify_handler(const char *guid);
229extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
230extern bool wmi_has_guid(const char *guid);
231
232#endif
233
234#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
235#define ACPI_VIDEO_DEVICE_POSTING 0x0002
236#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
237#define ACPI_VIDEO_BACKLIGHT 0x0008
238#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
239#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
240#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
241#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
242#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
243#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
244#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
245#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
246
247#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
248
249extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
250extern long acpi_is_video_device(acpi_handle handle);
251extern void acpi_video_dmi_promote_vendor(void);
252extern void acpi_video_dmi_demote_vendor(void);
253extern int acpi_video_backlight_support(void);
254extern int acpi_video_display_switch_support(void);
255
256#else
257
258static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
259{
260 return 0;
261}
262
263static inline long acpi_is_video_device(acpi_handle handle)
264{
265 return 0;
266}
267
268static inline void acpi_video_dmi_promote_vendor(void)
269{
270}
271
272static inline void acpi_video_dmi_demote_vendor(void)
273{
274}
275
276static inline int acpi_video_backlight_support(void)
277{
278 return 0;
279}
280
281static inline int acpi_video_display_switch_support(void)
282{
283 return 0;
284}
285
286#endif
287
288extern int acpi_blacklisted(void);
289extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
290extern void acpi_osi_setup(char *str);
291
292#ifdef CONFIG_ACPI_NUMA
293int acpi_map_pxm_to_online_node(int pxm);
294int acpi_get_node(acpi_handle handle);
295#else
296static inline int acpi_map_pxm_to_online_node(int pxm)
297{
298 return 0;
299}
300static inline int acpi_get_node(acpi_handle handle)
301{
302 return 0;
303}
304#endif
305extern int acpi_paddr_to_node(u64 start_addr, u64 size);
306
307extern int pnpacpi_disabled;
308
309#define PXM_INVAL (-1)
310
311bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
312bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
313bool acpi_dev_resource_address_space(struct acpi_resource *ares,
314 struct resource_win *win);
315bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
316 struct resource_win *win);
317unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
318bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
319 struct resource *res);
320
321void acpi_dev_free_resource_list(struct list_head *list);
322int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
323 int (*preproc)(struct acpi_resource *, void *),
324 void *preproc_data);
325int acpi_dev_filter_resource_type(struct acpi_resource *ares,
326 unsigned long types);
327
328static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
329 void *arg)
330{
331 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
332}
333
334int acpi_check_resource_conflict(const struct resource *res);
335
336int acpi_check_region(resource_size_t start, resource_size_t n,
337 const char *name);
338
339int acpi_resources_are_enforced(void);
340
341#ifdef CONFIG_HIBERNATION
342void __init acpi_no_s4_hw_signature(void);
343#endif
344
345#ifdef CONFIG_PM_SLEEP
346void __init acpi_old_suspend_ordering(void);
347void __init acpi_nvs_nosave(void);
348void __init acpi_nvs_nosave_s3(void);
349#endif
350
351struct acpi_osc_context {
352 char *uuid_str;
353 int rev;
354 struct acpi_buffer cap;
355 struct acpi_buffer ret;
356};
357
358acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
359acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
360
361
362#define OSC_QUERY_DWORD 0
363#define OSC_SUPPORT_DWORD 1
364#define OSC_CONTROL_DWORD 2
365
366
367#define OSC_QUERY_ENABLE 0x00000001
368#define OSC_REQUEST_ERROR 0x00000002
369#define OSC_INVALID_UUID_ERROR 0x00000004
370#define OSC_INVALID_REVISION_ERROR 0x00000008
371#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
372
373
374#define OSC_SB_PAD_SUPPORT 0x00000001
375#define OSC_SB_PPC_OST_SUPPORT 0x00000002
376#define OSC_SB_PR3_SUPPORT 0x00000004
377#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
378#define OSC_SB_APEI_SUPPORT 0x00000010
379#define OSC_SB_CPC_SUPPORT 0x00000020
380#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
381
382extern bool osc_sb_apei_support_acked;
383
384
385#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
386#define OSC_PCI_ASPM_SUPPORT 0x00000002
387#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
388#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
389#define OSC_PCI_MSI_SUPPORT 0x00000010
390#define OSC_PCI_SUPPORT_MASKS 0x0000001f
391
392
393#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
394#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
395#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
396#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
397#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
398#define OSC_PCI_CONTROL_MASKS 0x0000001f
399
400#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
401#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
402#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
403#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
404#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
405#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
406#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
407#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
408#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
409#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
410
411extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
412 u32 *mask, u32 req);
413
414
415#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
416 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
417 defined(CONFIG_ACPI_CONTAINER)
418#define ACPI_HOTPLUG_OST
419#endif
420
421
422#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
423#define ACPI_OST_EC_OSPM_EJECT 0x103
424#define ACPI_OST_EC_OSPM_INSERTION 0x200
425
426
427#define ACPI_OST_SC_SUCCESS 0x0
428#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
429#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
430
431
432#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
433#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
434#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
435#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
436
437
438#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
439#define ACPI_OST_SC_DEVICE_IN_USE 0x81
440#define ACPI_OST_SC_DEVICE_BUSY 0x82
441#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
442#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
443
444
445#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
446#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
447#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
448
449extern void acpi_early_init(void);
450
451extern int acpi_nvs_register(__u64 start, __u64 size);
452
453extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
454 void *data);
455
456const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
457 const struct device *dev);
458
459extern bool acpi_driver_match_device(struct device *dev,
460 const struct device_driver *drv);
461
462struct platform_device *acpi_create_platform_device(struct acpi_device *);
463#define ACPI_PTR(_ptr) (_ptr)
464
465static inline void acpi_device_set_enumerated(struct acpi_device *adev)
466{
467 adev->flags.visited = true;
468}
469
470static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
471{
472 adev->flags.visited = false;
473}
474
475enum acpi_reconfig_event {
476 ACPI_RECONFIG_DEVICE_ADD = 0,
477 ACPI_RECONFIG_DEVICE_REMOVE,
478};
479
480int acpi_reconfig_notifier_register(struct notifier_block *nb);
481int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
482
483#else
484
485#define acpi_disabled 1
486
487#define ACPI_COMPANION(dev) (NULL)
488#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
489#define ACPI_HANDLE(dev) (NULL)
490
491struct fwnode_handle;
492
493static inline bool is_acpi_node(struct fwnode_handle *fwnode)
494{
495 return false;
496}
497
498static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
499{
500 return false;
501}
502
503static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
504{
505 return NULL;
506}
507
508static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
509{
510 return false;
511}
512
513static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
514{
515 return NULL;
516}
517
518static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
519 const char *name)
520{
521 return false;
522}
523
524static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
525{
526 return NULL;
527}
528
529static inline const char *acpi_dev_name(struct acpi_device *adev)
530{
531 return NULL;
532}
533
534static inline bool has_acpi_companion(struct device *dev)
535{
536 return false;
537}
538
539static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
540{
541 return NULL;
542}
543
544static inline void acpi_early_init(void) { }
545
546static inline int early_acpi_boot_init(void)
547{
548 return 0;
549}
550static inline int acpi_boot_init(void)
551{
552 return 0;
553}
554
555static inline void acpi_boot_table_init(void)
556{
557 return;
558}
559
560static inline int acpi_mps_check(void)
561{
562 return 0;
563}
564
565static inline int acpi_check_resource_conflict(struct resource *res)
566{
567 return 0;
568}
569
570static inline int acpi_check_region(resource_size_t start, resource_size_t n,
571 const char *name)
572{
573 return 0;
574}
575
576struct acpi_table_header;
577static inline int acpi_table_parse(char *id,
578 int (*handler)(struct acpi_table_header *))
579{
580 return -1;
581}
582
583static inline int acpi_nvs_register(__u64 start, __u64 size)
584{
585 return 0;
586}
587
588static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
589 void *data)
590{
591 return 0;
592}
593
594struct acpi_device_id;
595
596static inline const struct acpi_device_id *acpi_match_device(
597 const struct acpi_device_id *ids, const struct device *dev)
598{
599 return NULL;
600}
601
602static inline bool acpi_driver_match_device(struct device *dev,
603 const struct device_driver *drv)
604{
605 return false;
606}
607
608static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
609 const u8 *uuid,
610 int rev, int func,
611 union acpi_object *argv4)
612{
613 return NULL;
614}
615
616#define ACPI_PTR(_ptr) (NULL)
617
618static inline void acpi_device_set_enumerated(struct acpi_device *adev)
619{
620}
621
622static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
623{
624}
625
626static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
627{
628 return -EINVAL;
629}
630
631static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
632{
633 return -EINVAL;
634}
635
636#endif
637
638#ifdef CONFIG_ACPI
639void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
640 u32 pm1a_ctrl, u32 pm1b_ctrl));
641
642acpi_status acpi_os_prepare_sleep(u8 sleep_state,
643 u32 pm1a_control, u32 pm1b_control);
644
645void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
646 u32 val_a, u32 val_b));
647
648acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
649 u32 val_a, u32 val_b);
650
651#ifdef CONFIG_X86
652void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
653#else
654static inline void arch_reserve_mem_area(acpi_physical_address addr,
655 size_t size)
656{
657}
658#endif
659#else
660#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
661#endif
662
663#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
664int acpi_dev_runtime_suspend(struct device *dev);
665int acpi_dev_runtime_resume(struct device *dev);
666int acpi_subsys_runtime_suspend(struct device *dev);
667int acpi_subsys_runtime_resume(struct device *dev);
668#else
669static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
670static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
671static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
672static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
673#endif
674
675#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
676int acpi_dev_suspend_late(struct device *dev);
677int acpi_dev_resume_early(struct device *dev);
678int acpi_subsys_prepare(struct device *dev);
679int acpi_subsys_suspend_late(struct device *dev);
680int acpi_subsys_resume_early(struct device *dev);
681#else
682static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
683static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
684static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
685static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
686static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
687#endif
688
689#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
690struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
691int acpi_dev_pm_attach(struct device *dev, bool power_on);
692void acpi_dev_pm_detach(struct device *dev, bool power_off);
693#else
694static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
695{
696 return NULL;
697}
698static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
699{
700 return -ENODEV;
701}
702static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
703#endif
704
705#ifdef CONFIG_ACPI
706__printf(3, 4)
707void acpi_handle_printk(const char *level, acpi_handle handle,
708 const char *fmt, ...);
709#else
710static inline __printf(3, 4) void
711acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
712#endif
713
714#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
715__printf(3, 4)
716void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
717#else
718#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
719 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
720#endif
721
722
723
724
725
726
727
728#define acpi_handle_emerg(handle, fmt, ...) \
729 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
730#define acpi_handle_alert(handle, fmt, ...) \
731 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
732#define acpi_handle_crit(handle, fmt, ...) \
733 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
734#define acpi_handle_err(handle, fmt, ...) \
735 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
736#define acpi_handle_warn(handle, fmt, ...) \
737 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
738#define acpi_handle_notice(handle, fmt, ...) \
739 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
740#define acpi_handle_info(handle, fmt, ...) \
741 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
742
743#if defined(DEBUG)
744#define acpi_handle_debug(handle, fmt, ...) \
745 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
746#else
747#if defined(CONFIG_DYNAMIC_DEBUG)
748#define acpi_handle_debug(handle, fmt, ...) \
749do { \
750 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
751 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
752 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
753 ##__VA_ARGS__); \
754} while (0)
755#else
756#define acpi_handle_debug(handle, fmt, ...) \
757({ \
758 if (0) \
759 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
760 0; \
761})
762#endif
763#endif
764
765struct acpi_gpio_params {
766 unsigned int crs_entry_index;
767 unsigned int line_index;
768 bool active_low;
769};
770
771struct acpi_gpio_mapping {
772 const char *name;
773 const struct acpi_gpio_params *data;
774 unsigned int size;
775};
776
777#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
778int acpi_dev_add_driver_gpios(struct acpi_device *adev,
779 const struct acpi_gpio_mapping *gpios);
780
781static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
782{
783 if (adev)
784 adev->driver_gpios = NULL;
785}
786
787int devm_acpi_dev_add_driver_gpios(struct device *dev,
788 const struct acpi_gpio_mapping *gpios);
789void devm_acpi_dev_remove_driver_gpios(struct device *dev);
790#else
791static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
792 const struct acpi_gpio_mapping *gpios)
793{
794 return -ENXIO;
795}
796static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
797
798static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
799 const struct acpi_gpio_mapping *gpios)
800{
801 return -ENXIO;
802}
803static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
804#endif
805
806#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
807int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
808#else
809static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
810{
811 return -ENXIO;
812}
813#endif
814
815
816
817#define MAX_ACPI_REFERENCE_ARGS 8
818struct acpi_reference_args {
819 struct acpi_device *adev;
820 size_t nargs;
821 u64 args[MAX_ACPI_REFERENCE_ARGS];
822};
823
824#ifdef CONFIG_ACPI
825int acpi_dev_get_property(struct acpi_device *adev, const char *name,
826 acpi_object_type type, const union acpi_object **obj);
827int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
828 const char *name, size_t index,
829 struct acpi_reference_args *args);
830
831int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
832 void **valptr);
833int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
834 enum dev_prop_type proptype, void *val);
835int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
836 enum dev_prop_type proptype, void *val, size_t nval);
837int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
838 enum dev_prop_type proptype, void *val, size_t nval);
839
840struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
841 struct fwnode_handle *subnode);
842#else
843static inline int acpi_dev_get_property(struct acpi_device *adev,
844 const char *name, acpi_object_type type,
845 const union acpi_object **obj)
846{
847 return -ENXIO;
848}
849static inline int acpi_dev_get_property_array(struct acpi_device *adev,
850 const char *name,
851 acpi_object_type type,
852 const union acpi_object **obj)
853{
854 return -ENXIO;
855}
856static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
857 const char *name, const char *cells_name,
858 size_t index, struct acpi_reference_args *args)
859{
860 return -ENXIO;
861}
862
863static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
864 const char *propname,
865 void **valptr)
866{
867 return -ENXIO;
868}
869
870static inline int acpi_dev_prop_get(struct acpi_device *adev,
871 const char *propname,
872 void **valptr)
873{
874 return -ENXIO;
875}
876
877static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
878 const char *propname,
879 enum dev_prop_type proptype,
880 void *val)
881{
882 return -ENXIO;
883}
884
885static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
886 const char *propname,
887 enum dev_prop_type proptype,
888 void *val, size_t nval)
889{
890 return -ENXIO;
891}
892
893static inline int acpi_dev_prop_read(struct acpi_device *adev,
894 const char *propname,
895 enum dev_prop_type proptype,
896 void *val, size_t nval)
897{
898 return -ENXIO;
899}
900
901static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
902 struct fwnode_handle *subnode)
903{
904 return NULL;
905}
906#endif
907
908#ifdef CONFIG_ACPI_LPIT
909int lpit_read_residency_count_address(u64 *address);
910#else
911static inline int lpit_read_residency_count_address(u64 *address)
912{
913 return -EINVAL;
914}
915#endif
916
917#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
918extern bool acpi_has_watchdog(void);
919#else
920static inline bool acpi_has_watchdog(void) { return false; }
921#endif
922
923#endif
924