2 * acpi.h - ACPI Interface
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 #include <linux/errno.h>
25 #include <linux/ioport.h> /* for struct resource */
26 #include <linux/resource_ext.h>
27 #include <linux/device.h>
28 #include <linux/property.h>
33 #include <acpi/acpi.h>
37 #include <linux/list.h>
38 #include <linux/mod_devicetable.h>
39 #include <linux/dynamic_debug.h>
40 #include <linux/module.h>
41 #include <linux/mutex.h>
43 #include <acpi/acpi_bus.h>
44 #include <acpi/acpi_drivers.h>
45 #include <acpi/acpi_numa.h>
46 #include <acpi/acpi_io.h>
49 static inline acpi_handle
acpi_device_handle(struct acpi_device
*adev
)
51 return adev
? adev
->handle
: NULL
;
54 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
55 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
56 acpi_fwnode_handle(adev) : NULL)
57 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
61 * the PCI-defined class-code information
63 * @_cls : the class, subclass, prog-if triple for this device
64 * @_msk : the class mask for this device
66 * This macro is used to create a struct acpi_device_id that matches a
67 * specific PCI class. The .id and .driver_data fields will be left
68 * initialized with the default value.
70 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
72 static inline bool has_acpi_companion(struct device
*dev
)
74 return is_acpi_device_node(dev
->fwnode
);
77 static inline void acpi_preset_companion(struct device
*dev
,
78 struct acpi_device
*parent
, u64 addr
)
80 ACPI_COMPANION_SET(dev
, acpi_find_child_device(parent
, addr
, NULL
));
83 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
85 return dev_name(&adev
->dev
);
88 struct device
*acpi_get_first_physical_node(struct acpi_device
*adev
);
90 enum acpi_irq_model_id
{
91 ACPI_IRQ_MODEL_PIC
= 0,
92 ACPI_IRQ_MODEL_IOAPIC
,
93 ACPI_IRQ_MODEL_IOSAPIC
,
94 ACPI_IRQ_MODEL_PLATFORM
,
99 extern enum acpi_irq_model_id acpi_irq_model
;
101 enum acpi_interrupt_id
{
102 ACPI_INTERRUPT_PMI
= 1,
108 #define ACPI_SPACE_MEM 0
110 enum acpi_address_range_id
{
111 ACPI_ADDRESS_RANGE_MEMORY
= 1,
112 ACPI_ADDRESS_RANGE_RESERVED
= 2,
113 ACPI_ADDRESS_RANGE_ACPI
= 3,
114 ACPI_ADDRESS_RANGE_NVS
= 4,
115 ACPI_ADDRESS_RANGE_COUNT
121 typedef int (*acpi_tbl_table_handler
)(struct acpi_table_header
*table
);
123 typedef int (*acpi_tbl_entry_handler
)(struct acpi_subtable_header
*header
,
124 const unsigned long end
);
126 /* Debugger support */
128 struct acpi_debugger_ops
{
129 int (*create_thread
)(acpi_osd_exec_callback function
, void *context
);
130 ssize_t (*write_log
)(const char *msg
);
131 ssize_t (*read_cmd
)(char *buffer
, size_t length
);
132 int (*wait_command_ready
)(bool single_step
, char *buffer
, size_t length
);
133 int (*notify_command_complete
)(void);
136 struct acpi_debugger
{
137 const struct acpi_debugger_ops
*ops
;
138 struct module
*owner
;
142 #ifdef CONFIG_ACPI_DEBUGGER
143 int __init
acpi_debugger_init(void);
144 int acpi_register_debugger(struct module
*owner
,
145 const struct acpi_debugger_ops
*ops
);
146 void acpi_unregister_debugger(const struct acpi_debugger_ops
*ops
);
147 int acpi_debugger_create_thread(acpi_osd_exec_callback function
, void *context
);
148 ssize_t
acpi_debugger_write_log(const char *msg
);
149 ssize_t
acpi_debugger_read_cmd(char *buffer
, size_t buffer_length
);
150 int acpi_debugger_wait_command_ready(void);
151 int acpi_debugger_notify_command_complete(void);
153 static inline int acpi_debugger_init(void)
158 static inline int acpi_register_debugger(struct module
*owner
,
159 const struct acpi_debugger_ops
*ops
)
164 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops
*ops
)
168 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function
,
174 static inline int acpi_debugger_write_log(const char *msg
)
179 static inline int acpi_debugger_read_cmd(char *buffer
, u32 buffer_length
)
184 static inline int acpi_debugger_wait_command_ready(void)
189 static inline int acpi_debugger_notify_command_complete(void)
195 #define BAD_MADT_ENTRY(entry, end) ( \
196 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
197 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
199 struct acpi_subtable_proc
{
201 acpi_tbl_entry_handler handler
;
205 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
206 void __acpi_unmap_table(char *map
, unsigned long size
);
207 int early_acpi_boot_init(void);
208 int acpi_boot_init (void);
209 void acpi_boot_table_init (void);
210 int acpi_mps_check (void);
211 int acpi_numa_init (void);
213 int acpi_table_init (void);
214 int acpi_table_parse(char *id
, acpi_tbl_table_handler handler
);
215 int __init
acpi_parse_entries(char *id
, unsigned long table_size
,
216 acpi_tbl_entry_handler handler
,
217 struct acpi_table_header
*table_header
,
218 int entry_id
, unsigned int max_entries
);
219 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
221 acpi_tbl_entry_handler handler
,
222 unsigned int max_entries
);
223 int __init
acpi_table_parse_entries_array(char *id
, unsigned long table_size
,
224 struct acpi_subtable_proc
*proc
, int proc_num
,
225 unsigned int max_entries
);
226 int acpi_table_parse_madt(enum acpi_madt_type id
,
227 acpi_tbl_entry_handler handler
,
228 unsigned int max_entries
);
229 int acpi_parse_mcfg (struct acpi_table_header
*header
);
230 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
232 /* the following numa functions are architecture-dependent */
233 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
235 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
236 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
239 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity
*pa
) { }
242 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity
*pa
);
245 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity
*pa
);
248 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity
*pa
) { }
251 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
253 #ifndef PHYS_CPUID_INVALID
254 typedef u32 phys_cpuid_t
;
255 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
258 static inline bool invalid_logical_cpuid(u32 cpuid
)
260 return (int)cpuid
< 0;
263 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id
)
265 return phys_id
== PHYS_CPUID_INVALID
;
268 /* Validate the processor object's proc_id */
269 bool acpi_processor_validate_proc_id(int proc_id
);
271 #ifdef CONFIG_ACPI_HOTPLUG_CPU
272 /* Arch dependent functions for cpu hotplug support */
273 int acpi_map_cpu(acpi_handle handle
, phys_cpuid_t physid
, int *pcpu
);
274 int acpi_unmap_cpu(int cpu
);
275 int acpi_map_cpu2node(acpi_handle handle
, int cpu
, int physid
);
276 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
278 void acpi_set_processor_mapping(void);
280 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
281 int acpi_get_ioapic_id(acpi_handle handle
, u32 gsi_base
, u64
*phys_addr
);
284 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
285 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
286 int acpi_ioapic_registered(acpi_handle handle
, u32 gsi_base
);
287 void acpi_irq_stats_init(void);
288 extern u32 acpi_irq_handled
;
289 extern u32 acpi_irq_not_handled
;
290 extern unsigned int acpi_sci_irq
;
291 extern bool acpi_no_s5
;
292 #define INVALID_ACPI_IRQ ((unsigned)-1)
293 static inline bool acpi_sci_irq_valid(void)
295 return acpi_sci_irq
!= INVALID_ACPI_IRQ
;
299 extern unsigned long acpi_realmode_flags
;
301 int acpi_register_gsi (struct device
*dev
, u32 gsi
, int triggering
, int polarity
);
302 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
303 int acpi_isa_irq_to_gsi (unsigned isa_irq
, u32
*gsi
);
305 void acpi_set_irq_model(enum acpi_irq_model_id model
,
306 struct fwnode_handle
*fwnode
);
308 #ifdef CONFIG_X86_IO_APIC
309 extern int acpi_get_override_irq(u32 gsi
, int *trigger
, int *polarity
);
311 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
314 * This function undoes the effect of one call to acpi_register_gsi().
315 * If this matches the last registration, any IRQ resources for gsi
318 void acpi_unregister_gsi (u32 gsi
);
322 int acpi_pci_irq_enable (struct pci_dev
*dev
);
323 void acpi_penalize_isa_irq(int irq
, int active
);
324 bool acpi_isa_irq_available(int irq
);
325 void acpi_penalize_sci_irq(int irq
, int trigger
, int polarity
);
326 void acpi_pci_irq_disable (struct pci_dev
*dev
);
328 extern int ec_read(u8 addr
, u8
*val
);
329 extern int ec_write(u8 addr
, u8 val
);
330 extern int ec_transaction(u8 command
,
331 const u8
*wdata
, unsigned wdata_len
,
332 u8
*rdata
, unsigned rdata_len
);
333 extern acpi_handle
ec_get_handle(void);
335 extern bool acpi_is_pnp_device(struct acpi_device
*);
337 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
339 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
341 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
343 const struct acpi_buffer
*in
,
344 struct acpi_buffer
*out
);
345 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
346 struct acpi_buffer
*out
);
347 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
348 const struct acpi_buffer
*in
);
349 extern acpi_status
wmi_install_notify_handler(const char *guid
,
350 wmi_notify_handler handler
, void *data
);
351 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
352 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
353 extern bool wmi_has_guid(const char *guid
);
355 #endif /* CONFIG_ACPI_WMI */
357 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
358 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
359 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
360 #define ACPI_VIDEO_BACKLIGHT 0x0008
361 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
362 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
363 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
364 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
365 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
366 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
367 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
368 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
370 extern char acpi_video_backlight_string
[];
371 extern long acpi_is_video_device(acpi_handle handle
);
372 extern int acpi_blacklisted(void);
373 extern void acpi_osi_setup(char *str
);
374 extern bool acpi_osi_is_win8(void);
376 #ifdef CONFIG_ACPI_NUMA
377 int acpi_map_pxm_to_online_node(int pxm
);
378 int acpi_get_node(acpi_handle handle
);
380 static inline int acpi_map_pxm_to_online_node(int pxm
)
384 static inline int acpi_get_node(acpi_handle handle
)
389 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
391 extern int pnpacpi_disabled
;
393 #define PXM_INVAL (-1)
395 bool acpi_dev_resource_memory(struct acpi_resource
*ares
, struct resource
*res
);
396 bool acpi_dev_resource_io(struct acpi_resource
*ares
, struct resource
*res
);
397 bool acpi_dev_resource_address_space(struct acpi_resource
*ares
,
398 struct resource_win
*win
);
399 bool acpi_dev_resource_ext_address_space(struct acpi_resource
*ares
,
400 struct resource_win
*win
);
401 unsigned long acpi_dev_irq_flags(u8 triggering
, u8 polarity
, u8 shareable
);
402 unsigned int acpi_dev_get_irq_type(int triggering
, int polarity
);
403 bool acpi_dev_resource_interrupt(struct acpi_resource
*ares
, int index
,
404 struct resource
*res
);
406 void acpi_dev_free_resource_list(struct list_head
*list
);
407 int acpi_dev_get_resources(struct acpi_device
*adev
, struct list_head
*list
,
408 int (*preproc
)(struct acpi_resource
*, void *),
410 int acpi_dev_filter_resource_type(struct acpi_resource
*ares
,
411 unsigned long types
);
413 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource
*ares
,
416 return acpi_dev_filter_resource_type(ares
, (unsigned long)arg
);
419 int acpi_check_resource_conflict(const struct resource
*res
);
421 int acpi_check_region(resource_size_t start
, resource_size_t n
,
424 int acpi_resources_are_enforced(void);
426 #ifdef CONFIG_HIBERNATION
427 void __init
acpi_no_s4_hw_signature(void);
430 #ifdef CONFIG_PM_SLEEP
431 void __init
acpi_old_suspend_ordering(void);
432 void __init
acpi_nvs_nosave(void);
433 void __init
acpi_nvs_nosave_s3(void);
434 #endif /* CONFIG_PM_SLEEP */
436 struct acpi_osc_context
{
437 char *uuid_str
; /* UUID string */
439 struct acpi_buffer cap
; /* list of DWORD capabilities */
440 struct acpi_buffer ret
; /* free by caller if success */
443 acpi_status
acpi_str_to_uuid(char *str
, u8
*uuid
);
444 acpi_status
acpi_run_osc(acpi_handle handle
, struct acpi_osc_context
*context
);
446 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
447 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
448 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
449 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
451 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
452 #define OSC_QUERY_ENABLE 0x00000001 /* input */
453 #define OSC_REQUEST_ERROR 0x00000002 /* return */
454 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
455 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
456 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
458 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
459 #define OSC_SB_PAD_SUPPORT 0x00000001
460 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
461 #define OSC_SB_PR3_SUPPORT 0x00000004
462 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
463 #define OSC_SB_APEI_SUPPORT 0x00000010
464 #define OSC_SB_CPC_SUPPORT 0x00000020
465 #define OSC_SB_CPCV2_SUPPORT 0x00000040
466 #define OSC_SB_PCLPI_SUPPORT 0x00000080
467 #define OSC_SB_OSLPI_SUPPORT 0x00000100
468 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
470 extern bool osc_sb_apei_support_acked
;
471 extern bool osc_pc_lpi_support_confirmed
;
473 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
474 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
475 #define OSC_PCI_ASPM_SUPPORT 0x00000002
476 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
477 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
478 #define OSC_PCI_MSI_SUPPORT 0x00000010
479 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
481 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
482 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
483 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
484 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
485 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
486 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
487 #define OSC_PCI_CONTROL_MASKS 0x0000001f
489 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
490 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
491 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
492 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
493 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
494 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
495 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
496 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
497 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
498 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
500 extern acpi_status
acpi_pci_osc_control_set(acpi_handle handle
,
503 /* Enable _OST when all relevant hotplug operations are enabled */
504 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
505 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
506 defined(CONFIG_ACPI_CONTAINER)
507 #define ACPI_HOTPLUG_OST
510 /* _OST Source Event Code (OSPM Action) */
511 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
512 #define ACPI_OST_EC_OSPM_EJECT 0x103
513 #define ACPI_OST_EC_OSPM_INSERTION 0x200
515 /* _OST General Processing Status Code */
516 #define ACPI_OST_SC_SUCCESS 0x0
517 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
518 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
520 /* _OST OS Shutdown Processing (0x100) Status Code */
521 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
522 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
523 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
524 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
526 /* _OST Ejection Request (0x3, 0x103) Status Code */
527 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
528 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
529 #define ACPI_OST_SC_DEVICE_BUSY 0x82
530 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
531 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
533 /* _OST Insertion Request (0x200) Status Code */
534 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
535 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
536 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
538 extern void acpi_early_init(void);
539 extern void acpi_subsystem_init(void);
541 extern int acpi_nvs_register(__u64 start
, __u64 size
);
543 extern int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
546 const struct acpi_device_id
*acpi_match_device(const struct acpi_device_id
*ids
,
547 const struct device
*dev
);
549 extern bool acpi_driver_match_device(struct device
*dev
,
550 const struct device_driver
*drv
);
551 int acpi_device_uevent_modalias(struct device
*, struct kobj_uevent_env
*);
552 int acpi_device_modalias(struct device
*, char *, int);
553 void acpi_walk_dep_device_list(acpi_handle handle
);
555 struct platform_device
*acpi_create_platform_device(struct acpi_device
*,
556 struct property_entry
*);
557 #define ACPI_PTR(_ptr) (_ptr)
559 static inline void acpi_device_set_enumerated(struct acpi_device
*adev
)
561 adev
->flags
.visited
= true;
564 static inline void acpi_device_clear_enumerated(struct acpi_device
*adev
)
566 adev
->flags
.visited
= false;
569 enum acpi_reconfig_event
{
570 ACPI_RECONFIG_DEVICE_ADD
= 0,
571 ACPI_RECONFIG_DEVICE_REMOVE
,
574 int acpi_reconfig_notifier_register(struct notifier_block
*nb
);
575 int acpi_reconfig_notifier_unregister(struct notifier_block
*nb
);
577 #else /* !CONFIG_ACPI */
579 #define acpi_disabled 1
581 #define ACPI_COMPANION(dev) (NULL)
582 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
583 #define ACPI_HANDLE(dev) (NULL)
584 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
586 struct fwnode_handle
;
588 static inline bool acpi_dev_found(const char *hid
)
593 static inline bool is_acpi_node(struct fwnode_handle
*fwnode
)
598 static inline bool is_acpi_device_node(struct fwnode_handle
*fwnode
)
603 static inline struct acpi_device
*to_acpi_device_node(struct fwnode_handle
*fwnode
)
608 static inline bool is_acpi_data_node(struct fwnode_handle
*fwnode
)
613 static inline struct acpi_data_node
*to_acpi_data_node(struct fwnode_handle
*fwnode
)
618 static inline bool acpi_data_node_match(struct fwnode_handle
*fwnode
,
624 static inline struct fwnode_handle
*acpi_fwnode_handle(struct acpi_device
*adev
)
629 static inline bool has_acpi_companion(struct device
*dev
)
634 static inline void acpi_preset_companion(struct device
*dev
,
635 struct acpi_device
*parent
, u64 addr
)
639 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
644 static inline struct device
*acpi_get_first_physical_node(struct acpi_device
*adev
)
649 static inline void acpi_early_init(void) { }
650 static inline void acpi_subsystem_init(void) { }
652 static inline int early_acpi_boot_init(void)
656 static inline int acpi_boot_init(void)
661 static inline void acpi_boot_table_init(void)
666 static inline int acpi_mps_check(void)
671 static inline int acpi_check_resource_conflict(struct resource
*res
)
676 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
682 struct acpi_table_header
;
683 static inline int acpi_table_parse(char *id
,
684 int (*handler
)(struct acpi_table_header
*))
689 static inline int acpi_nvs_register(__u64 start
, __u64 size
)
694 static inline int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
700 struct acpi_device_id
;
702 static inline const struct acpi_device_id
*acpi_match_device(
703 const struct acpi_device_id
*ids
, const struct device
*dev
)
708 static inline bool acpi_driver_match_device(struct device
*dev
,
709 const struct device_driver
*drv
)
714 static inline union acpi_object
*acpi_evaluate_dsm(acpi_handle handle
,
717 union acpi_object
*argv4
)
722 static inline int acpi_device_uevent_modalias(struct device
*dev
,
723 struct kobj_uevent_env
*env
)
728 static inline int acpi_device_modalias(struct device
*dev
,
734 static inline bool acpi_dma_supported(struct acpi_device
*adev
)
739 static inline enum dev_dma_attr
acpi_get_dma_attr(struct acpi_device
*adev
)
741 return DEV_DMA_NOT_SUPPORTED
;
744 #define ACPI_PTR(_ptr) (NULL)
746 static inline void acpi_device_set_enumerated(struct acpi_device
*adev
)
750 static inline void acpi_device_clear_enumerated(struct acpi_device
*adev
)
754 static inline int acpi_reconfig_notifier_register(struct notifier_block
*nb
)
759 static inline int acpi_reconfig_notifier_unregister(struct notifier_block
*nb
)
764 #endif /* !CONFIG_ACPI */
766 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
767 int acpi_ioapic_add(acpi_handle root
);
769 static inline int acpi_ioapic_add(acpi_handle root
) { return 0; }
773 void acpi_os_set_prepare_sleep(int (*func
)(u8 sleep_state
,
774 u32 pm1a_ctrl
, u32 pm1b_ctrl
));
776 acpi_status
acpi_os_prepare_sleep(u8 sleep_state
,
777 u32 pm1a_control
, u32 pm1b_control
);
779 void acpi_os_set_prepare_extended_sleep(int (*func
)(u8 sleep_state
,
780 u32 val_a
, u32 val_b
));
782 acpi_status
acpi_os_prepare_extended_sleep(u8 sleep_state
,
783 u32 val_a
, u32 val_b
);
786 void arch_reserve_mem_area(acpi_physical_address addr
, size_t size
);
788 static inline void arch_reserve_mem_area(acpi_physical_address addr
,
792 #endif /* CONFIG_X86 */
794 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
797 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
798 int acpi_dev_runtime_suspend(struct device
*dev
);
799 int acpi_dev_runtime_resume(struct device
*dev
);
800 int acpi_subsys_runtime_suspend(struct device
*dev
);
801 int acpi_subsys_runtime_resume(struct device
*dev
);
802 struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
);
803 int acpi_dev_pm_attach(struct device
*dev
, bool power_on
);
805 static inline int acpi_dev_runtime_suspend(struct device
*dev
) { return 0; }
806 static inline int acpi_dev_runtime_resume(struct device
*dev
) { return 0; }
807 static inline int acpi_subsys_runtime_suspend(struct device
*dev
) { return 0; }
808 static inline int acpi_subsys_runtime_resume(struct device
*dev
) { return 0; }
809 static inline struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
)
813 static inline int acpi_dev_pm_attach(struct device
*dev
, bool power_on
)
819 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
820 int acpi_dev_suspend_late(struct device
*dev
);
821 int acpi_dev_resume_early(struct device
*dev
);
822 int acpi_subsys_prepare(struct device
*dev
);
823 void acpi_subsys_complete(struct device
*dev
);
824 int acpi_subsys_suspend_late(struct device
*dev
);
825 int acpi_subsys_resume_early(struct device
*dev
);
826 int acpi_subsys_suspend(struct device
*dev
);
827 int acpi_subsys_freeze(struct device
*dev
);
829 static inline int acpi_dev_suspend_late(struct device
*dev
) { return 0; }
830 static inline int acpi_dev_resume_early(struct device
*dev
) { return 0; }
831 static inline int acpi_subsys_prepare(struct device
*dev
) { return 0; }
832 static inline void acpi_subsys_complete(struct device
*dev
) {}
833 static inline int acpi_subsys_suspend_late(struct device
*dev
) { return 0; }
834 static inline int acpi_subsys_resume_early(struct device
*dev
) { return 0; }
835 static inline int acpi_subsys_suspend(struct device
*dev
) { return 0; }
836 static inline int acpi_subsys_freeze(struct device
*dev
) { return 0; }
841 void acpi_handle_printk(const char *level
, acpi_handle handle
,
842 const char *fmt
, ...);
843 #else /* !CONFIG_ACPI */
844 static inline __printf(3, 4) void
845 acpi_handle_printk(const char *level
, void *handle
, const char *fmt
, ...) {}
846 #endif /* !CONFIG_ACPI */
848 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
850 void __acpi_handle_debug(struct _ddebug
*descriptor
, acpi_handle handle
, const char *fmt
, ...);
852 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
853 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
857 * acpi_handle_<level>: Print message with ACPI prefix and object path
859 * These interfaces acquire the global namespace mutex to obtain an object
860 * path. In interrupt context, it shows the object path as <n/a>.
862 #define acpi_handle_emerg(handle, fmt, ...) \
863 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
864 #define acpi_handle_alert(handle, fmt, ...) \
865 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
866 #define acpi_handle_crit(handle, fmt, ...) \
867 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
868 #define acpi_handle_err(handle, fmt, ...) \
869 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
870 #define acpi_handle_warn(handle, fmt, ...) \
871 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
872 #define acpi_handle_notice(handle, fmt, ...) \
873 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
874 #define acpi_handle_info(handle, fmt, ...) \
875 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
878 #define acpi_handle_debug(handle, fmt, ...) \
879 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
881 #if defined(CONFIG_DYNAMIC_DEBUG)
882 #define acpi_handle_debug(handle, fmt, ...) \
884 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
885 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
886 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
890 #define acpi_handle_debug(handle, fmt, ...) \
893 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
899 struct acpi_gpio_params
{
900 unsigned int crs_entry_index
;
901 unsigned int line_index
;
905 struct acpi_gpio_mapping
{
907 const struct acpi_gpio_params
*data
;
911 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
912 int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
913 const struct acpi_gpio_mapping
*gpios
);
915 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
)
918 adev
->driver_gpios
= NULL
;
921 int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
);
923 static inline int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
924 const struct acpi_gpio_mapping
*gpios
)
928 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
) {}
930 static inline int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
)
936 /* Device properties */
938 #define MAX_ACPI_REFERENCE_ARGS 8
939 struct acpi_reference_args
{
940 struct acpi_device
*adev
;
942 u64 args
[MAX_ACPI_REFERENCE_ARGS
];
946 int acpi_dev_get_property(struct acpi_device
*adev
, const char *name
,
947 acpi_object_type type
, const union acpi_object
**obj
);
948 int __acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
949 const char *name
, size_t index
, size_t num_args
,
950 struct acpi_reference_args
*args
);
952 static inline int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
953 const char *name
, size_t index
,
954 struct acpi_reference_args
*args
)
956 return __acpi_node_get_property_reference(fwnode
, name
, index
,
957 MAX_ACPI_REFERENCE_ARGS
, args
);
960 int acpi_node_prop_get(struct fwnode_handle
*fwnode
, const char *propname
,
962 int acpi_dev_prop_read_single(struct acpi_device
*adev
, const char *propname
,
963 enum dev_prop_type proptype
, void *val
);
964 int acpi_node_prop_read(struct fwnode_handle
*fwnode
, const char *propname
,
965 enum dev_prop_type proptype
, void *val
, size_t nval
);
966 int acpi_dev_prop_read(struct acpi_device
*adev
, const char *propname
,
967 enum dev_prop_type proptype
, void *val
, size_t nval
);
969 struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
970 struct fwnode_handle
*subnode
);
972 struct acpi_probe_entry
;
973 typedef bool (*acpi_probe_entry_validate_subtbl
)(struct acpi_subtable_header
*,
974 struct acpi_probe_entry
*);
976 #define ACPI_TABLE_ID_LEN 5
979 * struct acpi_probe_entry - boot-time probing entry
980 * @id: ACPI table name
981 * @type: Optional subtable type to match
982 * (if @id contains subtables)
983 * @subtable_valid: Optional callback to check the validity of
985 * @probe_table: Callback to the driver being probed when table
986 * match is successful
987 * @probe_subtbl: Callback to the driver being probed when table and
988 * subtable match (and optional callback is successful)
989 * @driver_data: Sideband data provided back to the driver
991 struct acpi_probe_entry
{
992 __u8 id
[ACPI_TABLE_ID_LEN
];
994 acpi_probe_entry_validate_subtbl subtable_valid
;
996 acpi_tbl_table_handler probe_table
;
997 acpi_tbl_entry_handler probe_subtbl
;
999 kernel_ulong_t driver_data
;
1002 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1003 static const struct acpi_probe_entry __acpi_probe_##name \
1004 __used __section(__##table##_acpi_probe_table) \
1008 .subtable_valid = valid, \
1009 .probe_table = (acpi_tbl_table_handler)fn, \
1010 .driver_data = data, \
1013 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1014 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1016 int __acpi_probe_device_table(struct acpi_probe_entry
*start
, int nr
);
1018 #define acpi_probe_device_table(t) \
1020 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1021 ACPI_PROBE_TABLE_END(t); \
1022 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1023 (&ACPI_PROBE_TABLE_END(t) - \
1024 &ACPI_PROBE_TABLE(t))); \
1027 static inline int acpi_dev_get_property(struct acpi_device
*adev
,
1028 const char *name
, acpi_object_type type
,
1029 const union acpi_object
**obj
)
1035 __acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
1036 const char *name
, size_t index
, size_t num_args
,
1037 struct acpi_reference_args
*args
)
1042 static inline int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
1043 const char *name
, size_t index
,
1044 struct acpi_reference_args
*args
)
1049 static inline int acpi_node_prop_get(struct fwnode_handle
*fwnode
,
1050 const char *propname
,
1056 static inline int acpi_dev_prop_get(struct acpi_device
*adev
,
1057 const char *propname
,
1063 static inline int acpi_dev_prop_read_single(struct acpi_device
*adev
,
1064 const char *propname
,
1065 enum dev_prop_type proptype
,
1071 static inline int acpi_node_prop_read(struct fwnode_handle
*fwnode
,
1072 const char *propname
,
1073 enum dev_prop_type proptype
,
1074 void *val
, size_t nval
)
1079 static inline int acpi_dev_prop_read(struct acpi_device
*adev
,
1080 const char *propname
,
1081 enum dev_prop_type proptype
,
1082 void *val
, size_t nval
)
1087 static inline struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
1088 struct fwnode_handle
*subnode
)
1093 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1094 static const void * __acpi_table_##name[] \
1095 __attribute__((unused)) \
1096 = { (void *) table_id, \
1097 (void *) subtable, \
1102 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1105 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1106 void acpi_table_upgrade(void);
1108 static inline void acpi_table_upgrade(void) { }
1111 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1112 extern bool acpi_has_watchdog(void);
1114 static inline bool acpi_has_watchdog(void) { return false; }
1117 #ifdef CONFIG_ACPI_SPCR_TABLE
1118 int parse_spcr(bool earlycon
);
1120 static inline int parse_spcr(bool earlycon
) { return 0; }
1123 #endif /*_LINUX_ACPI_H*/