1
2
3
4
5
6
7
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
71
72
73
74
75
76
77
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
283#ifdef CONFIG_ACPI_HOTPLUG_CPU
284
285int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
286 int *pcpu);
287int acpi_unmap_cpu(int cpu);
288#endif
289
290#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
291int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
292#endif
293
294int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
295int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
296int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
297void acpi_irq_stats_init(void);
298extern u32 acpi_irq_handled;
299extern u32 acpi_irq_not_handled;
300extern unsigned int acpi_sci_irq;
301extern bool acpi_no_s5;
302#define INVALID_ACPI_IRQ ((unsigned)-1)
303static inline bool acpi_sci_irq_valid(void)
304{
305 return acpi_sci_irq != INVALID_ACPI_IRQ;
306}
307
308extern int sbf_port;
309extern unsigned long acpi_realmode_flags;
310
311int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
312int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
313int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
314
315void acpi_set_irq_model(enum acpi_irq_model_id model,
316 struct fwnode_handle *fwnode);
317
318struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
319 unsigned int size,
320 struct fwnode_handle *fwnode,
321 const struct irq_domain_ops *ops,
322 void *host_data);
323
324#ifdef CONFIG_X86_IO_APIC
325extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
326#else
327static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
328{
329 return -1;
330}
331#endif
332
333
334
335
336
337void acpi_unregister_gsi (u32 gsi);
338
339struct pci_dev;
340
341int acpi_pci_irq_enable (struct pci_dev *dev);
342void acpi_penalize_isa_irq(int irq, int active);
343bool acpi_isa_irq_available(int irq);
344#ifdef CONFIG_PCI
345void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
346#else
347static inline void acpi_penalize_sci_irq(int irq, int trigger,
348 int polarity)
349{
350}
351#endif
352void acpi_pci_irq_disable (struct pci_dev *dev);
353
354extern int ec_read(u8 addr, u8 *val);
355extern int ec_write(u8 addr, u8 val);
356extern int ec_transaction(u8 command,
357 const u8 *wdata, unsigned wdata_len,
358 u8 *rdata, unsigned rdata_len);
359extern acpi_handle ec_get_handle(void);
360
361extern bool acpi_is_pnp_device(struct acpi_device *);
362
363#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
364
365typedef void (*wmi_notify_handler) (u32 value, void *context);
366
367extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
368 u32 method_id,
369 const struct acpi_buffer *in,
370 struct acpi_buffer *out);
371extern acpi_status wmi_query_block(const char *guid, u8 instance,
372 struct acpi_buffer *out);
373extern acpi_status wmi_set_block(const char *guid, u8 instance,
374 const struct acpi_buffer *in);
375extern acpi_status wmi_install_notify_handler(const char *guid,
376 wmi_notify_handler handler, void *data);
377extern acpi_status wmi_remove_notify_handler(const char *guid);
378extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
379extern bool wmi_has_guid(const char *guid);
380extern char *wmi_get_acpi_device_uid(const char *guid);
381
382#endif
383
384#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
385#define ACPI_VIDEO_DEVICE_POSTING 0x0002
386#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
387#define ACPI_VIDEO_BACKLIGHT 0x0008
388#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
389#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
390#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
391#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
392#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
393#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
394#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
395#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
396
397extern char acpi_video_backlight_string[];
398extern long acpi_is_video_device(acpi_handle handle);
399extern int acpi_blacklisted(void);
400extern void acpi_osi_setup(char *str);
401extern bool acpi_osi_is_win8(void);
402
403#ifdef CONFIG_ACPI_NUMA
404int acpi_map_pxm_to_online_node(int pxm);
405int acpi_map_pxm_to_node(int pxm);
406int acpi_get_node(acpi_handle handle);
407#else
408static inline int acpi_map_pxm_to_online_node(int pxm)
409{
410 return 0;
411}
412static inline int acpi_map_pxm_to_node(int pxm)
413{
414 return 0;
415}
416static inline int acpi_get_node(acpi_handle handle)
417{
418 return 0;
419}
420#endif
421extern int acpi_paddr_to_node(u64 start_addr, u64 size);
422
423extern int pnpacpi_disabled;
424
425#define PXM_INVAL (-1)
426
427bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
428bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
429bool acpi_dev_resource_address_space(struct acpi_resource *ares,
430 struct resource_win *win);
431bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
432 struct resource_win *win);
433unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
434unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
435bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
436 struct resource *res);
437
438void acpi_dev_free_resource_list(struct list_head *list);
439int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
440 int (*preproc)(struct acpi_resource *, void *),
441 void *preproc_data);
442int acpi_dev_get_dma_resources(struct acpi_device *adev,
443 struct list_head *list);
444int acpi_dev_filter_resource_type(struct acpi_resource *ares,
445 unsigned long types);
446
447static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
448 void *arg)
449{
450 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
451}
452
453struct acpi_device *acpi_resource_consumer(struct resource *res);
454
455int acpi_check_resource_conflict(const struct resource *res);
456
457int acpi_check_region(resource_size_t start, resource_size_t n,
458 const char *name);
459
460acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
461 u32 level);
462
463int acpi_resources_are_enforced(void);
464
465#ifdef CONFIG_HIBERNATION
466void __init acpi_no_s4_hw_signature(void);
467#endif
468
469#ifdef CONFIG_PM_SLEEP
470void __init acpi_old_suspend_ordering(void);
471void __init acpi_nvs_nosave(void);
472void __init acpi_nvs_nosave_s3(void);
473void __init acpi_sleep_no_blacklist(void);
474#endif
475
476struct acpi_osc_context {
477 char *uuid_str;
478 int rev;
479 struct acpi_buffer cap;
480 struct acpi_buffer ret;
481};
482
483acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
484
485
486#define OSC_QUERY_DWORD 0
487#define OSC_SUPPORT_DWORD 1
488#define OSC_CONTROL_DWORD 2
489
490
491#define OSC_QUERY_ENABLE 0x00000001
492#define OSC_REQUEST_ERROR 0x00000002
493#define OSC_INVALID_UUID_ERROR 0x00000004
494#define OSC_INVALID_REVISION_ERROR 0x00000008
495#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
496
497
498#define OSC_SB_PAD_SUPPORT 0x00000001
499#define OSC_SB_PPC_OST_SUPPORT 0x00000002
500#define OSC_SB_PR3_SUPPORT 0x00000004
501#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
502#define OSC_SB_APEI_SUPPORT 0x00000010
503#define OSC_SB_CPC_SUPPORT 0x00000020
504#define OSC_SB_CPCV2_SUPPORT 0x00000040
505#define OSC_SB_PCLPI_SUPPORT 0x00000080
506#define OSC_SB_OSLPI_SUPPORT 0x00000100
507#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
508
509extern bool osc_sb_apei_support_acked;
510extern bool osc_pc_lpi_support_confirmed;
511
512
513#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
514#define OSC_PCI_ASPM_SUPPORT 0x00000002
515#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
516#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
517#define OSC_PCI_MSI_SUPPORT 0x00000010
518#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
519#define OSC_PCI_SUPPORT_MASKS 0x0000011f
520
521
522#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
523#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
524#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
525#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
526#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
527#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
528#define OSC_PCI_CONTROL_MASKS 0x0000003f
529
530#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
531#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
532#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
533#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
534#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
535#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
536#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
537#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
538#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
539#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
540
541extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
542 u32 *mask, u32 req);
543
544
545#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
546 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
547 defined(CONFIG_ACPI_CONTAINER)
548#define ACPI_HOTPLUG_OST
549#endif
550
551
552#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
553#define ACPI_OST_EC_OSPM_EJECT 0x103
554#define ACPI_OST_EC_OSPM_INSERTION 0x200
555
556
557#define ACPI_OST_SC_SUCCESS 0x0
558#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
559#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
560
561
562#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
563#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
564#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
565#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
566
567
568#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
569#define ACPI_OST_SC_DEVICE_IN_USE 0x81
570#define ACPI_OST_SC_DEVICE_BUSY 0x82
571#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
572#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
573
574
575#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
576#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
577#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
578
579enum acpi_predicate {
580 all_versions,
581 less_than_or_equal,
582 equal,
583 greater_than_or_equal,
584};
585
586
587struct acpi_platform_list {
588 char oem_id[ACPI_OEM_ID_SIZE+1];
589 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
590 u32 oem_revision;
591 char *table;
592 enum acpi_predicate pred;
593 char *reason;
594 u32 data;
595};
596int acpi_match_platform_list(const struct acpi_platform_list *plat);
597
598extern void acpi_early_init(void);
599extern void acpi_subsystem_init(void);
600extern void arch_post_acpi_subsys_init(void);
601
602extern int acpi_nvs_register(__u64 start, __u64 size);
603
604extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
605 void *data);
606
607const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
608 const struct device *dev);
609
610const void *acpi_device_get_match_data(const struct device *dev);
611extern bool acpi_driver_match_device(struct device *dev,
612 const struct device_driver *drv);
613int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
614int acpi_device_modalias(struct device *, char *, int);
615void acpi_walk_dep_device_list(acpi_handle handle);
616
617struct platform_device *acpi_create_platform_device(struct acpi_device *,
618 struct property_entry *);
619#define ACPI_PTR(_ptr) (_ptr)
620
621static inline void acpi_device_set_enumerated(struct acpi_device *adev)
622{
623 adev->flags.visited = true;
624}
625
626static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
627{
628 adev->flags.visited = false;
629}
630
631enum acpi_reconfig_event {
632 ACPI_RECONFIG_DEVICE_ADD = 0,
633 ACPI_RECONFIG_DEVICE_REMOVE,
634};
635
636int acpi_reconfig_notifier_register(struct notifier_block *nb);
637int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
638
639#ifdef CONFIG_ACPI_GTDT
640int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
641int acpi_gtdt_map_ppi(int type);
642bool acpi_gtdt_c3stop(int type);
643int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
644#endif
645
646#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
647static inline void acpi_arch_set_root_pointer(u64 addr)
648{
649}
650#endif
651
652#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
653static inline u64 acpi_arch_get_root_pointer(void)
654{
655 return 0;
656}
657#endif
658
659#else
660
661#define acpi_disabled 1
662
663#define ACPI_COMPANION(dev) (NULL)
664#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
665#define ACPI_HANDLE(dev) (NULL)
666#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
667#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
668
669struct fwnode_handle;
670
671static inline bool acpi_dev_found(const char *hid)
672{
673 return false;
674}
675
676static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
677{
678 return false;
679}
680
681struct acpi_device;
682
683static inline bool
684acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
685{
686 return false;
687}
688
689static inline struct acpi_device *
690acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
691{
692 return NULL;
693}
694
695static inline void acpi_dev_put(struct acpi_device *adev) {}
696
697static inline bool is_acpi_node(struct fwnode_handle *fwnode)
698{
699 return false;
700}
701
702static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
703{
704 return false;
705}
706
707static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
708{
709 return NULL;
710}
711
712static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
713{
714 return false;
715}
716
717static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
718{
719 return NULL;
720}
721
722static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
723 const char *name)
724{
725 return false;
726}
727
728static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
729{
730 return NULL;
731}
732
733static inline bool has_acpi_companion(struct device *dev)
734{
735 return false;
736}
737
738static inline void acpi_preset_companion(struct device *dev,
739 struct acpi_device *parent, u64 addr)
740{
741}
742
743static inline const char *acpi_dev_name(struct acpi_device *adev)
744{
745 return NULL;
746}
747
748static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
749{
750 return NULL;
751}
752
753static inline void acpi_early_init(void) { }
754static inline void acpi_subsystem_init(void) { }
755
756static inline int early_acpi_boot_init(void)
757{
758 return 0;
759}
760static inline int acpi_boot_init(void)
761{
762 return 0;
763}
764
765static inline void acpi_boot_table_init(void)
766{
767 return;
768}
769
770static inline int acpi_mps_check(void)
771{
772 return 0;
773}
774
775static inline int acpi_check_resource_conflict(struct resource *res)
776{
777 return 0;
778}
779
780static inline int acpi_check_region(resource_size_t start, resource_size_t n,
781 const char *name)
782{
783 return 0;
784}
785
786struct acpi_table_header;
787static inline int acpi_table_parse(char *id,
788 int (*handler)(struct acpi_table_header *))
789{
790 return -ENODEV;
791}
792
793static inline int acpi_nvs_register(__u64 start, __u64 size)
794{
795 return 0;
796}
797
798static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
799 void *data)
800{
801 return 0;
802}
803
804struct acpi_device_id;
805
806static inline const struct acpi_device_id *acpi_match_device(
807 const struct acpi_device_id *ids, const struct device *dev)
808{
809 return NULL;
810}
811
812static inline const void *acpi_device_get_match_data(const struct device *dev)
813{
814 return NULL;
815}
816
817static inline bool acpi_driver_match_device(struct device *dev,
818 const struct device_driver *drv)
819{
820 return false;
821}
822
823static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
824 const guid_t *guid,
825 int rev, int func,
826 union acpi_object *argv4)
827{
828 return NULL;
829}
830
831static inline int acpi_device_uevent_modalias(struct device *dev,
832 struct kobj_uevent_env *env)
833{
834 return -ENODEV;
835}
836
837static inline int acpi_device_modalias(struct device *dev,
838 char *buf, int size)
839{
840 return -ENODEV;
841}
842
843static inline bool acpi_dma_supported(struct acpi_device *adev)
844{
845 return false;
846}
847
848static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
849{
850 return DEV_DMA_NOT_SUPPORTED;
851}
852
853static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
854 u64 *offset, u64 *size)
855{
856 return -ENODEV;
857}
858
859static inline int acpi_dma_configure(struct device *dev,
860 enum dev_dma_attr attr)
861{
862 return 0;
863}
864
865#define ACPI_PTR(_ptr) (NULL)
866
867static inline void acpi_device_set_enumerated(struct acpi_device *adev)
868{
869}
870
871static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
872{
873}
874
875static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
876{
877 return -EINVAL;
878}
879
880static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
881{
882 return -EINVAL;
883}
884
885static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
886{
887 return NULL;
888}
889
890#endif
891
892#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
893int acpi_ioapic_add(acpi_handle root);
894#else
895static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
896#endif
897
898#ifdef CONFIG_ACPI
899void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
900 u32 pm1a_ctrl, u32 pm1b_ctrl));
901
902acpi_status acpi_os_prepare_sleep(u8 sleep_state,
903 u32 pm1a_control, u32 pm1b_control);
904
905void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
906 u32 val_a, u32 val_b));
907
908acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
909 u32 val_a, u32 val_b);
910
911#ifdef CONFIG_X86
912void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
913#else
914static inline void arch_reserve_mem_area(acpi_physical_address addr,
915 size_t size)
916{
917}
918#endif
919#else
920#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
921#endif
922
923#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
924int acpi_dev_suspend(struct device *dev, bool wakeup);
925int acpi_dev_resume(struct device *dev);
926int acpi_subsys_runtime_suspend(struct device *dev);
927int acpi_subsys_runtime_resume(struct device *dev);
928int acpi_dev_pm_attach(struct device *dev, bool power_on);
929#else
930static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
931static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
932static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
933static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
934static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
935{
936 return 0;
937}
938#endif
939
940#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
941int acpi_subsys_prepare(struct device *dev);
942void acpi_subsys_complete(struct device *dev);
943int acpi_subsys_suspend_late(struct device *dev);
944int acpi_subsys_suspend_noirq(struct device *dev);
945int acpi_subsys_suspend(struct device *dev);
946int acpi_subsys_freeze(struct device *dev);
947int acpi_subsys_poweroff(struct device *dev);
948void acpi_ec_mark_gpe_for_wake(void);
949void acpi_ec_set_gpe_wake_mask(u8 action);
950#else
951static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
952static inline void acpi_subsys_complete(struct device *dev) {}
953static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
954static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
955static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
956static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
957static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
958static inline void acpi_ec_mark_gpe_for_wake(void) {}
959static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
960#endif
961
962#ifdef CONFIG_ACPI
963__printf(3, 4)
964void acpi_handle_printk(const char *level, acpi_handle handle,
965 const char *fmt, ...);
966#else
967static inline __printf(3, 4) void
968acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
969#endif
970
971#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
972__printf(3, 4)
973void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
974#endif
975
976
977
978
979
980
981
982#define acpi_handle_emerg(handle, fmt, ...) \
983 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
984#define acpi_handle_alert(handle, fmt, ...) \
985 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
986#define acpi_handle_crit(handle, fmt, ...) \
987 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
988#define acpi_handle_err(handle, fmt, ...) \
989 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
990#define acpi_handle_warn(handle, fmt, ...) \
991 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
992#define acpi_handle_notice(handle, fmt, ...) \
993 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
994#define acpi_handle_info(handle, fmt, ...) \
995 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
996
997#if defined(DEBUG)
998#define acpi_handle_debug(handle, fmt, ...) \
999 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1000#else
1001#if defined(CONFIG_DYNAMIC_DEBUG)
1002#define acpi_handle_debug(handle, fmt, ...) \
1003 _dynamic_func_call(fmt, __acpi_handle_debug, \
1004 handle, pr_fmt(fmt), ##__VA_ARGS__)
1005#else
1006#define acpi_handle_debug(handle, fmt, ...) \
1007({ \
1008 if (0) \
1009 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1010 0; \
1011})
1012#endif
1013#endif
1014
1015#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1016bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1017 struct acpi_resource_gpio **agpio);
1018int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1019#else
1020static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1021 struct acpi_resource_gpio **agpio)
1022{
1023 return false;
1024}
1025static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1026{
1027 return -ENXIO;
1028}
1029#endif
1030
1031
1032
1033#ifdef CONFIG_ACPI
1034int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1035 acpi_object_type type, const union acpi_object **obj);
1036int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1037 const char *name, size_t index, size_t num_args,
1038 struct fwnode_reference_args *args);
1039
1040static inline int acpi_node_get_property_reference(
1041 const struct fwnode_handle *fwnode,
1042 const char *name, size_t index,
1043 struct fwnode_reference_args *args)
1044{
1045 return __acpi_node_get_property_reference(fwnode, name, index,
1046 NR_FWNODE_REFERENCE_ARGS, args);
1047}
1048
1049static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1050{
1051 return !list_empty(&adev->data.properties);
1052}
1053
1054struct acpi_device_properties *
1055acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1056 const union acpi_object *properties);
1057
1058int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1059 void **valptr);
1060int acpi_dev_prop_read_single(struct acpi_device *adev,
1061 const char *propname, enum dev_prop_type proptype,
1062 void *val);
1063int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1064 const char *propname, enum dev_prop_type proptype,
1065 void *val, size_t nval);
1066int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1067 enum dev_prop_type proptype, void *val, size_t nval);
1068
1069struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1070 struct fwnode_handle *child);
1071struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1072
1073struct acpi_probe_entry;
1074typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1075 struct acpi_probe_entry *);
1076
1077#define ACPI_TABLE_ID_LEN 5
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092struct acpi_probe_entry {
1093 __u8 id[ACPI_TABLE_ID_LEN];
1094 __u8 type;
1095 acpi_probe_entry_validate_subtbl subtable_valid;
1096 union {
1097 acpi_tbl_table_handler probe_table;
1098 acpi_tbl_entry_handler probe_subtbl;
1099 };
1100 kernel_ulong_t driver_data;
1101};
1102
1103#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1104 static const struct acpi_probe_entry __acpi_probe_##name \
1105 __used __section(__##table##_acpi_probe_table) \
1106 = { \
1107 .id = table_id, \
1108 .type = subtable, \
1109 .subtable_valid = valid, \
1110 .probe_table = (acpi_tbl_table_handler)fn, \
1111 .driver_data = data, \
1112 }
1113
1114#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1115#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1116
1117int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1118
1119#define acpi_probe_device_table(t) \
1120 ({ \
1121 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1122 ACPI_PROBE_TABLE_END(t); \
1123 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1124 (&ACPI_PROBE_TABLE_END(t) - \
1125 &ACPI_PROBE_TABLE(t))); \
1126 })
1127#else
1128static inline int acpi_dev_get_property(struct acpi_device *adev,
1129 const char *name, acpi_object_type type,
1130 const union acpi_object **obj)
1131{
1132 return -ENXIO;
1133}
1134
1135static inline int
1136__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1137 const char *name, size_t index, size_t num_args,
1138 struct fwnode_reference_args *args)
1139{
1140 return -ENXIO;
1141}
1142
1143static inline int
1144acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1145 const char *name, size_t index,
1146 struct fwnode_reference_args *args)
1147{
1148 return -ENXIO;
1149}
1150
1151static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1152 const char *propname,
1153 void **valptr)
1154{
1155 return -ENXIO;
1156}
1157
1158static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1159 const char *propname,
1160 void **valptr)
1161{
1162 return -ENXIO;
1163}
1164
1165static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1166 const char *propname,
1167 enum dev_prop_type proptype,
1168 void *val)
1169{
1170 return -ENXIO;
1171}
1172
1173static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1174 const char *propname,
1175 enum dev_prop_type proptype,
1176 void *val, size_t nval)
1177{
1178 return -ENXIO;
1179}
1180
1181static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1182 const char *propname,
1183 enum dev_prop_type proptype,
1184 void *val, size_t nval)
1185{
1186 return -ENXIO;
1187}
1188
1189static inline struct fwnode_handle *
1190acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1191 struct fwnode_handle *child)
1192{
1193 return NULL;
1194}
1195
1196static inline struct fwnode_handle *
1197acpi_node_get_parent(const struct fwnode_handle *fwnode)
1198{
1199 return NULL;
1200}
1201
1202static inline struct fwnode_handle *
1203acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1204 struct fwnode_handle *prev)
1205{
1206 return ERR_PTR(-ENXIO);
1207}
1208
1209static inline int
1210acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1211 struct fwnode_handle **remote,
1212 struct fwnode_handle **port,
1213 struct fwnode_handle **endpoint)
1214{
1215 return -ENXIO;
1216}
1217
1218#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1219 static const void * __acpi_table_##name[] \
1220 __attribute__((unused)) \
1221 = { (void *) table_id, \
1222 (void *) subtable, \
1223 (void *) valid, \
1224 (void *) fn, \
1225 (void *) data }
1226
1227#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1228#endif
1229
1230#ifdef CONFIG_ACPI_TABLE_UPGRADE
1231void acpi_table_upgrade(void);
1232#else
1233static inline void acpi_table_upgrade(void) { }
1234#endif
1235
1236#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1237extern bool acpi_has_watchdog(void);
1238#else
1239static inline bool acpi_has_watchdog(void) { return false; }
1240#endif
1241
1242#ifdef CONFIG_ACPI_SPCR_TABLE
1243extern bool qdf2400_e44_present;
1244int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1245#else
1246static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1247{
1248 return 0;
1249}
1250#endif
1251
1252#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1253int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1254#else
1255static inline
1256int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1257{
1258 return -EINVAL;
1259}
1260#endif
1261
1262#ifdef CONFIG_ACPI_LPIT
1263int lpit_read_residency_count_address(u64 *address);
1264#else
1265static inline int lpit_read_residency_count_address(u64 *address)
1266{
1267 return -EINVAL;
1268}
1269#endif
1270
1271#ifdef CONFIG_ACPI_PPTT
1272int acpi_pptt_cpu_is_thread(unsigned int cpu);
1273int find_acpi_cpu_topology(unsigned int cpu, int level);
1274int find_acpi_cpu_topology_package(unsigned int cpu);
1275int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1276int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1277#else
1278static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1279{
1280 return -EINVAL;
1281}
1282static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1283{
1284 return -EINVAL;
1285}
1286static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1287{
1288 return -EINVAL;
1289}
1290static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1291{
1292 return -EINVAL;
1293}
1294static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1295{
1296 return -EINVAL;
1297}
1298#endif
1299
1300#ifdef CONFIG_ACPI
1301extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1302#else
1303static inline int
1304acpi_platform_notify(struct device *dev, enum kobject_action action)
1305{
1306 return 0;
1307}
1308#endif
1309
1310#endif
1311
