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(char *id
, unsigned long table_size
,
225 acpi_tbl_entry_handler handler
,
226 unsigned int max_entries
);
227 int __init
acpi_table_parse_entries_array(char *id
, unsigned long table_size
,
228 struct acpi_subtable_proc
*proc
, int proc_num
,
229 unsigned int max_entries
);
230 int acpi_table_parse_madt(enum acpi_madt_type id
,
231 acpi_tbl_entry_handler handler
,
232 unsigned int max_entries
);
233 int acpi_parse_mcfg (struct acpi_table_header
*header
);
234 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
236 /* the following numa functions are architecture-dependent */
237 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
239 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
240 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
243 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity
*pa
) { }
246 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity
*pa
);
249 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity
*pa
);
252 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity
*pa
) { }
255 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
257 #ifndef PHYS_CPUID_INVALID
258 typedef u32 phys_cpuid_t
;
259 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
262 static inline bool invalid_logical_cpuid(u32 cpuid
)
264 return (int)cpuid
< 0;
267 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id
)
269 return phys_id
== PHYS_CPUID_INVALID
;
272 #ifdef CONFIG_ACPI_HOTPLUG_CPU
273 /* Arch dependent functions for cpu hotplug support */
274 int acpi_map_cpu(acpi_handle handle
, phys_cpuid_t physid
, int *pcpu
);
275 int acpi_unmap_cpu(int cpu
);
276 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
278 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
279 int acpi_get_ioapic_id(acpi_handle handle
, u32 gsi_base
, u64
*phys_addr
);
282 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
283 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
284 int acpi_ioapic_registered(acpi_handle handle
, u32 gsi_base
);
285 void acpi_irq_stats_init(void);
286 extern u32 acpi_irq_handled
;
287 extern u32 acpi_irq_not_handled
;
288 extern unsigned int acpi_sci_irq
;
289 extern bool acpi_no_s5
;
290 #define INVALID_ACPI_IRQ ((unsigned)-1)
291 static inline bool acpi_sci_irq_valid(void)
293 return acpi_sci_irq
!= INVALID_ACPI_IRQ
;
297 extern unsigned long acpi_realmode_flags
;
299 int acpi_register_gsi (struct device
*dev
, u32 gsi
, int triggering
, int polarity
);
300 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
301 int acpi_isa_irq_to_gsi (unsigned isa_irq
, u32
*gsi
);
303 void acpi_set_irq_model(enum acpi_irq_model_id model
,
304 struct fwnode_handle
*fwnode
);
306 #ifdef CONFIG_X86_IO_APIC
307 extern int acpi_get_override_irq(u32 gsi
, int *trigger
, int *polarity
);
309 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
312 * This function undoes the effect of one call to acpi_register_gsi().
313 * If this matches the last registration, any IRQ resources for gsi
316 void acpi_unregister_gsi (u32 gsi
);
320 int acpi_pci_irq_enable (struct pci_dev
*dev
);
321 void acpi_penalize_isa_irq(int irq
, int active
);
322 bool acpi_isa_irq_available(int irq
);
323 void acpi_pci_irq_disable (struct pci_dev
*dev
);
325 extern int ec_read(u8 addr
, u8
*val
);
326 extern int ec_write(u8 addr
, u8 val
);
327 extern int ec_transaction(u8 command
,
328 const u8
*wdata
, unsigned wdata_len
,
329 u8
*rdata
, unsigned rdata_len
);
330 extern acpi_handle
ec_get_handle(void);
332 extern bool acpi_is_pnp_device(struct acpi_device
*);
334 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
336 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
338 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
340 const struct acpi_buffer
*in
,
341 struct acpi_buffer
*out
);
342 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
343 struct acpi_buffer
*out
);
344 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
345 const struct acpi_buffer
*in
);
346 extern acpi_status
wmi_install_notify_handler(const char *guid
,
347 wmi_notify_handler handler
, void *data
);
348 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
349 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
350 extern bool wmi_has_guid(const char *guid
);
352 #endif /* CONFIG_ACPI_WMI */
354 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
355 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
356 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
357 #define ACPI_VIDEO_BACKLIGHT 0x0008
358 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
359 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
360 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
361 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
362 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
363 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
364 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
365 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
367 extern char acpi_video_backlight_string
[];
368 extern long acpi_is_video_device(acpi_handle handle
);
369 extern int acpi_blacklisted(void);
370 extern void acpi_osi_setup(char *str
);
371 extern bool acpi_osi_is_win8(void);
373 #ifdef CONFIG_ACPI_NUMA
374 int acpi_map_pxm_to_online_node(int pxm
);
375 int acpi_get_node(acpi_handle handle
);
377 static inline int acpi_map_pxm_to_online_node(int pxm
)
381 static inline int acpi_get_node(acpi_handle handle
)
386 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
388 extern int pnpacpi_disabled
;
390 #define PXM_INVAL (-1)
392 bool acpi_dev_resource_memory(struct acpi_resource
*ares
, struct resource
*res
);
393 bool acpi_dev_resource_io(struct acpi_resource
*ares
, struct resource
*res
);
394 bool acpi_dev_resource_address_space(struct acpi_resource
*ares
,
395 struct resource_win
*win
);
396 bool acpi_dev_resource_ext_address_space(struct acpi_resource
*ares
,
397 struct resource_win
*win
);
398 unsigned long acpi_dev_irq_flags(u8 triggering
, u8 polarity
, u8 shareable
);
399 unsigned int acpi_dev_get_irq_type(int triggering
, int polarity
);
400 bool acpi_dev_resource_interrupt(struct acpi_resource
*ares
, int index
,
401 struct resource
*res
);
403 void acpi_dev_free_resource_list(struct list_head
*list
);
404 int acpi_dev_get_resources(struct acpi_device
*adev
, struct list_head
*list
,
405 int (*preproc
)(struct acpi_resource
*, void *),
407 int acpi_dev_filter_resource_type(struct acpi_resource
*ares
,
408 unsigned long types
);
410 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource
*ares
,
413 return acpi_dev_filter_resource_type(ares
, (unsigned long)arg
);
416 int acpi_check_resource_conflict(const struct resource
*res
);
418 int acpi_check_region(resource_size_t start
, resource_size_t n
,
421 int acpi_resources_are_enforced(void);
423 #ifdef CONFIG_HIBERNATION
424 void __init
acpi_no_s4_hw_signature(void);
427 #ifdef CONFIG_PM_SLEEP
428 void __init
acpi_old_suspend_ordering(void);
429 void __init
acpi_nvs_nosave(void);
430 void __init
acpi_nvs_nosave_s3(void);
431 #endif /* CONFIG_PM_SLEEP */
433 struct acpi_osc_context
{
434 char *uuid_str
; /* UUID string */
436 struct acpi_buffer cap
; /* list of DWORD capabilities */
437 struct acpi_buffer ret
; /* free by caller if success */
440 acpi_status
acpi_str_to_uuid(char *str
, u8
*uuid
);
441 acpi_status
acpi_run_osc(acpi_handle handle
, struct acpi_osc_context
*context
);
443 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
444 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
445 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
446 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
448 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
449 #define OSC_QUERY_ENABLE 0x00000001 /* input */
450 #define OSC_REQUEST_ERROR 0x00000002 /* return */
451 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
452 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
453 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
455 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
456 #define OSC_SB_PAD_SUPPORT 0x00000001
457 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
458 #define OSC_SB_PR3_SUPPORT 0x00000004
459 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
460 #define OSC_SB_APEI_SUPPORT 0x00000010
461 #define OSC_SB_CPC_SUPPORT 0x00000020
462 #define OSC_SB_CPCV2_SUPPORT 0x00000040
463 #define OSC_SB_PCLPI_SUPPORT 0x00000080
464 #define OSC_SB_OSLPI_SUPPORT 0x00000100
466 extern bool osc_sb_apei_support_acked
;
467 extern bool osc_pc_lpi_support_confirmed
;
469 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
470 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
471 #define OSC_PCI_ASPM_SUPPORT 0x00000002
472 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
473 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
474 #define OSC_PCI_MSI_SUPPORT 0x00000010
475 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
477 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
478 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
479 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
480 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
481 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
482 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
483 #define OSC_PCI_CONTROL_MASKS 0x0000001f
485 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
486 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
487 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
488 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
489 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
490 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
491 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
492 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
493 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
494 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
496 extern acpi_status
acpi_pci_osc_control_set(acpi_handle handle
,
499 /* Enable _OST when all relevant hotplug operations are enabled */
500 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
501 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
502 defined(CONFIG_ACPI_CONTAINER)
503 #define ACPI_HOTPLUG_OST
506 /* _OST Source Event Code (OSPM Action) */
507 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
508 #define ACPI_OST_EC_OSPM_EJECT 0x103
509 #define ACPI_OST_EC_OSPM_INSERTION 0x200
511 /* _OST General Processing Status Code */
512 #define ACPI_OST_SC_SUCCESS 0x0
513 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
514 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
516 /* _OST OS Shutdown Processing (0x100) Status Code */
517 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
518 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
519 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
520 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
522 /* _OST Ejection Request (0x3, 0x103) Status Code */
523 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
524 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
525 #define ACPI_OST_SC_DEVICE_BUSY 0x82
526 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
527 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
529 /* _OST Insertion Request (0x200) Status Code */
530 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
531 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
532 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
534 extern void acpi_early_init(void);
535 extern void acpi_subsystem_init(void);
537 extern int acpi_nvs_register(__u64 start
, __u64 size
);
539 extern int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
542 const struct acpi_device_id
*acpi_match_device(const struct acpi_device_id
*ids
,
543 const struct device
*dev
);
545 extern bool acpi_driver_match_device(struct device
*dev
,
546 const struct device_driver
*drv
);
547 int acpi_device_uevent_modalias(struct device
*, struct kobj_uevent_env
*);
548 int acpi_device_modalias(struct device
*, char *, int);
549 void acpi_walk_dep_device_list(acpi_handle handle
);
551 struct platform_device
*acpi_create_platform_device(struct acpi_device
*);
552 #define ACPI_PTR(_ptr) (_ptr)
554 static inline void acpi_device_set_enumerated(struct acpi_device
*adev
)
556 adev
->flags
.visited
= true;
559 static inline void acpi_device_clear_enumerated(struct acpi_device
*adev
)
561 adev
->flags
.visited
= false;
564 enum acpi_reconfig_event
{
565 ACPI_RECONFIG_DEVICE_ADD
= 0,
566 ACPI_RECONFIG_DEVICE_REMOVE
,
569 int acpi_reconfig_notifier_register(struct notifier_block
*nb
);
570 int acpi_reconfig_notifier_unregister(struct notifier_block
*nb
);
572 #else /* !CONFIG_ACPI */
574 #define acpi_disabled 1
576 #define ACPI_COMPANION(dev) (NULL)
577 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
578 #define ACPI_HANDLE(dev) (NULL)
579 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
581 struct fwnode_handle
;
583 static inline bool acpi_dev_found(const char *hid
)
588 static inline bool is_acpi_node(struct fwnode_handle
*fwnode
)
593 static inline bool is_acpi_device_node(struct fwnode_handle
*fwnode
)
598 static inline struct acpi_device
*to_acpi_device_node(struct fwnode_handle
*fwnode
)
603 static inline bool is_acpi_data_node(struct fwnode_handle
*fwnode
)
608 static inline struct acpi_data_node
*to_acpi_data_node(struct fwnode_handle
*fwnode
)
613 static inline bool acpi_data_node_match(struct fwnode_handle
*fwnode
,
619 static inline struct fwnode_handle
*acpi_fwnode_handle(struct acpi_device
*adev
)
624 static inline bool has_acpi_companion(struct device
*dev
)
629 static inline void acpi_preset_companion(struct device
*dev
,
630 struct acpi_device
*parent
, u64 addr
)
634 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
639 static inline struct device
*acpi_get_first_physical_node(struct acpi_device
*adev
)
644 static inline void acpi_early_init(void) { }
645 static inline void acpi_subsystem_init(void) { }
647 static inline int early_acpi_boot_init(void)
651 static inline int acpi_boot_init(void)
656 static inline void acpi_boot_table_init(void)
661 static inline int acpi_mps_check(void)
666 static inline int acpi_check_resource_conflict(struct resource
*res
)
671 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
677 struct acpi_table_header
;
678 static inline int acpi_table_parse(char *id
,
679 int (*handler
)(struct acpi_table_header
*))
684 static inline int acpi_nvs_register(__u64 start
, __u64 size
)
689 static inline int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
695 struct acpi_device_id
;
697 static inline const struct acpi_device_id
*acpi_match_device(
698 const struct acpi_device_id
*ids
, const struct device
*dev
)
703 static inline bool acpi_driver_match_device(struct device
*dev
,
704 const struct device_driver
*drv
)
709 static inline union acpi_object
*acpi_evaluate_dsm(acpi_handle handle
,
712 union acpi_object
*argv4
)
717 static inline int acpi_device_uevent_modalias(struct device
*dev
,
718 struct kobj_uevent_env
*env
)
723 static inline int acpi_device_modalias(struct device
*dev
,
729 static inline bool acpi_dma_supported(struct acpi_device
*adev
)
734 static inline enum dev_dma_attr
acpi_get_dma_attr(struct acpi_device
*adev
)
736 return DEV_DMA_NOT_SUPPORTED
;
739 #define ACPI_PTR(_ptr) (NULL)
741 static inline void acpi_device_set_enumerated(struct acpi_device
*adev
)
745 static inline void acpi_device_clear_enumerated(struct acpi_device
*adev
)
749 static inline int acpi_reconfig_notifier_register(struct notifier_block
*nb
)
754 static inline int acpi_reconfig_notifier_unregister(struct notifier_block
*nb
)
759 #endif /* !CONFIG_ACPI */
762 void acpi_os_set_prepare_sleep(int (*func
)(u8 sleep_state
,
763 u32 pm1a_ctrl
, u32 pm1b_ctrl
));
765 acpi_status
acpi_os_prepare_sleep(u8 sleep_state
,
766 u32 pm1a_control
, u32 pm1b_control
);
768 void acpi_os_set_prepare_extended_sleep(int (*func
)(u8 sleep_state
,
769 u32 val_a
, u32 val_b
));
771 acpi_status
acpi_os_prepare_extended_sleep(u8 sleep_state
,
772 u32 val_a
, u32 val_b
);
775 void arch_reserve_mem_area(acpi_physical_address addr
, size_t size
);
777 static inline void arch_reserve_mem_area(acpi_physical_address addr
,
781 #endif /* CONFIG_X86 */
783 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
786 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
787 int acpi_dev_runtime_suspend(struct device
*dev
);
788 int acpi_dev_runtime_resume(struct device
*dev
);
789 int acpi_subsys_runtime_suspend(struct device
*dev
);
790 int acpi_subsys_runtime_resume(struct device
*dev
);
791 struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
);
792 int acpi_dev_pm_attach(struct device
*dev
, bool power_on
);
794 static inline int acpi_dev_runtime_suspend(struct device
*dev
) { return 0; }
795 static inline int acpi_dev_runtime_resume(struct device
*dev
) { return 0; }
796 static inline int acpi_subsys_runtime_suspend(struct device
*dev
) { return 0; }
797 static inline int acpi_subsys_runtime_resume(struct device
*dev
) { return 0; }
798 static inline struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
)
802 static inline int acpi_dev_pm_attach(struct device
*dev
, bool power_on
)
808 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
809 int acpi_dev_suspend_late(struct device
*dev
);
810 int acpi_dev_resume_early(struct device
*dev
);
811 int acpi_subsys_prepare(struct device
*dev
);
812 void acpi_subsys_complete(struct device
*dev
);
813 int acpi_subsys_suspend_late(struct device
*dev
);
814 int acpi_subsys_resume_early(struct device
*dev
);
815 int acpi_subsys_suspend(struct device
*dev
);
816 int acpi_subsys_freeze(struct device
*dev
);
818 static inline int acpi_dev_suspend_late(struct device
*dev
) { return 0; }
819 static inline int acpi_dev_resume_early(struct device
*dev
) { return 0; }
820 static inline int acpi_subsys_prepare(struct device
*dev
) { return 0; }
821 static inline void acpi_subsys_complete(struct device
*dev
) {}
822 static inline int acpi_subsys_suspend_late(struct device
*dev
) { return 0; }
823 static inline int acpi_subsys_resume_early(struct device
*dev
) { return 0; }
824 static inline int acpi_subsys_suspend(struct device
*dev
) { return 0; }
825 static inline int acpi_subsys_freeze(struct device
*dev
) { return 0; }
830 void acpi_handle_printk(const char *level
, acpi_handle handle
,
831 const char *fmt
, ...);
832 #else /* !CONFIG_ACPI */
833 static inline __printf(3, 4) void
834 acpi_handle_printk(const char *level
, void *handle
, const char *fmt
, ...) {}
835 #endif /* !CONFIG_ACPI */
837 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
839 void __acpi_handle_debug(struct _ddebug
*descriptor
, acpi_handle handle
, const char *fmt
, ...);
841 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
842 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
846 * acpi_handle_<level>: Print message with ACPI prefix and object path
848 * These interfaces acquire the global namespace mutex to obtain an object
849 * path. In interrupt context, it shows the object path as <n/a>.
851 #define acpi_handle_emerg(handle, fmt, ...) \
852 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
853 #define acpi_handle_alert(handle, fmt, ...) \
854 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
855 #define acpi_handle_crit(handle, fmt, ...) \
856 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
857 #define acpi_handle_err(handle, fmt, ...) \
858 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
859 #define acpi_handle_warn(handle, fmt, ...) \
860 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
861 #define acpi_handle_notice(handle, fmt, ...) \
862 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
863 #define acpi_handle_info(handle, fmt, ...) \
864 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
867 #define acpi_handle_debug(handle, fmt, ...) \
868 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
870 #if defined(CONFIG_DYNAMIC_DEBUG)
871 #define acpi_handle_debug(handle, fmt, ...) \
873 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
874 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
875 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
879 #define acpi_handle_debug(handle, fmt, ...) \
882 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
888 struct acpi_gpio_params
{
889 unsigned int crs_entry_index
;
890 unsigned int line_index
;
894 struct acpi_gpio_mapping
{
896 const struct acpi_gpio_params
*data
;
900 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
901 int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
902 const struct acpi_gpio_mapping
*gpios
);
904 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
)
907 adev
->driver_gpios
= NULL
;
910 int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
);
912 static inline int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
913 const struct acpi_gpio_mapping
*gpios
)
917 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
) {}
919 static inline int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
)
925 /* Device properties */
927 #define MAX_ACPI_REFERENCE_ARGS 8
928 struct acpi_reference_args
{
929 struct acpi_device
*adev
;
931 u64 args
[MAX_ACPI_REFERENCE_ARGS
];
935 int acpi_dev_get_property(struct acpi_device
*adev
, const char *name
,
936 acpi_object_type type
, const union acpi_object
**obj
);
937 int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
938 const char *name
, size_t index
,
939 struct acpi_reference_args
*args
);
941 int acpi_node_prop_get(struct fwnode_handle
*fwnode
, const char *propname
,
943 int acpi_dev_prop_read_single(struct acpi_device
*adev
, const char *propname
,
944 enum dev_prop_type proptype
, void *val
);
945 int acpi_node_prop_read(struct fwnode_handle
*fwnode
, const char *propname
,
946 enum dev_prop_type proptype
, void *val
, size_t nval
);
947 int acpi_dev_prop_read(struct acpi_device
*adev
, const char *propname
,
948 enum dev_prop_type proptype
, void *val
, size_t nval
);
950 struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
951 struct fwnode_handle
*subnode
);
953 struct acpi_probe_entry
;
954 typedef bool (*acpi_probe_entry_validate_subtbl
)(struct acpi_subtable_header
*,
955 struct acpi_probe_entry
*);
957 #define ACPI_TABLE_ID_LEN 5
960 * struct acpi_probe_entry - boot-time probing entry
961 * @id: ACPI table name
962 * @type: Optional subtable type to match
963 * (if @id contains subtables)
964 * @subtable_valid: Optional callback to check the validity of
966 * @probe_table: Callback to the driver being probed when table
967 * match is successful
968 * @probe_subtbl: Callback to the driver being probed when table and
969 * subtable match (and optional callback is successful)
970 * @driver_data: Sideband data provided back to the driver
972 struct acpi_probe_entry
{
973 __u8 id
[ACPI_TABLE_ID_LEN
];
975 acpi_probe_entry_validate_subtbl subtable_valid
;
977 acpi_tbl_table_handler probe_table
;
978 acpi_tbl_entry_handler probe_subtbl
;
980 kernel_ulong_t driver_data
;
983 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
984 static const struct acpi_probe_entry __acpi_probe_##name \
985 __used __section(__##table##_acpi_probe_table) \
989 .subtable_valid = valid, \
990 .probe_table = (acpi_tbl_table_handler)fn, \
991 .driver_data = data, \
994 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
995 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
997 int __acpi_probe_device_table(struct acpi_probe_entry
*start
, int nr
);
999 #define acpi_probe_device_table(t) \
1001 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1002 ACPI_PROBE_TABLE_END(t); \
1003 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1004 (&ACPI_PROBE_TABLE_END(t) - \
1005 &ACPI_PROBE_TABLE(t))); \
1008 static inline int acpi_dev_get_property(struct acpi_device
*adev
,
1009 const char *name
, acpi_object_type type
,
1010 const union acpi_object
**obj
)
1015 static inline int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
1016 const char *name
, size_t index
,
1017 struct acpi_reference_args
*args
)
1022 static inline int acpi_node_prop_get(struct fwnode_handle
*fwnode
,
1023 const char *propname
,
1029 static inline int acpi_dev_prop_get(struct acpi_device
*adev
,
1030 const char *propname
,
1036 static inline int acpi_dev_prop_read_single(struct acpi_device
*adev
,
1037 const char *propname
,
1038 enum dev_prop_type proptype
,
1044 static inline int acpi_node_prop_read(struct fwnode_handle
*fwnode
,
1045 const char *propname
,
1046 enum dev_prop_type proptype
,
1047 void *val
, size_t nval
)
1052 static inline int acpi_dev_prop_read(struct acpi_device
*adev
,
1053 const char *propname
,
1054 enum dev_prop_type proptype
,
1055 void *val
, size_t nval
)
1060 static inline struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
1061 struct fwnode_handle
*subnode
)
1066 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1067 static const void * __acpi_table_##name[] \
1068 __attribute__((unused)) \
1069 = { (void *) table_id, \
1070 (void *) subtable, \
1075 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1078 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1079 void acpi_table_upgrade(void);
1081 static inline void acpi_table_upgrade(void) { }
1084 #endif /*_LINUX_ACPI_H*/