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 enum acpi_irq_model_id
{
89 ACPI_IRQ_MODEL_PIC
= 0,
90 ACPI_IRQ_MODEL_IOAPIC
,
91 ACPI_IRQ_MODEL_IOSAPIC
,
92 ACPI_IRQ_MODEL_PLATFORM
,
97 extern enum acpi_irq_model_id acpi_irq_model
;
99 enum acpi_interrupt_id
{
100 ACPI_INTERRUPT_PMI
= 1,
106 #define ACPI_SPACE_MEM 0
108 enum acpi_address_range_id
{
109 ACPI_ADDRESS_RANGE_MEMORY
= 1,
110 ACPI_ADDRESS_RANGE_RESERVED
= 2,
111 ACPI_ADDRESS_RANGE_ACPI
= 3,
112 ACPI_ADDRESS_RANGE_NVS
= 4,
113 ACPI_ADDRESS_RANGE_COUNT
119 typedef int (*acpi_tbl_table_handler
)(struct acpi_table_header
*table
);
121 typedef int (*acpi_tbl_entry_handler
)(struct acpi_subtable_header
*header
,
122 const unsigned long end
);
124 /* Debugger support */
126 struct acpi_debugger_ops
{
127 int (*create_thread
)(acpi_osd_exec_callback function
, void *context
);
128 ssize_t (*write_log
)(const char *msg
);
129 ssize_t (*read_cmd
)(char *buffer
, size_t length
);
130 int (*wait_command_ready
)(bool single_step
, char *buffer
, size_t length
);
131 int (*notify_command_complete
)(void);
134 struct acpi_debugger
{
135 const struct acpi_debugger_ops
*ops
;
136 struct module
*owner
;
140 #ifdef CONFIG_ACPI_DEBUGGER
141 int __init
acpi_debugger_init(void);
142 int acpi_register_debugger(struct module
*owner
,
143 const struct acpi_debugger_ops
*ops
);
144 void acpi_unregister_debugger(const struct acpi_debugger_ops
*ops
);
145 int acpi_debugger_create_thread(acpi_osd_exec_callback function
, void *context
);
146 ssize_t
acpi_debugger_write_log(const char *msg
);
147 ssize_t
acpi_debugger_read_cmd(char *buffer
, size_t buffer_length
);
148 int acpi_debugger_wait_command_ready(void);
149 int acpi_debugger_notify_command_complete(void);
151 static inline int acpi_debugger_init(void)
156 static inline int acpi_register_debugger(struct module
*owner
,
157 const struct acpi_debugger_ops
*ops
)
162 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops
*ops
)
166 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function
,
172 static inline int acpi_debugger_write_log(const char *msg
)
177 static inline int acpi_debugger_read_cmd(char *buffer
, u32 buffer_length
)
182 static inline int acpi_debugger_wait_command_ready(void)
187 static inline int acpi_debugger_notify_command_complete(void)
193 #define BAD_MADT_ENTRY(entry, end) ( \
194 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
195 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
197 struct acpi_subtable_proc
{
199 acpi_tbl_entry_handler handler
;
203 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
204 void __acpi_unmap_table(char *map
, unsigned long size
);
205 int early_acpi_boot_init(void);
206 int acpi_boot_init (void);
207 void acpi_boot_table_init (void);
208 int acpi_mps_check (void);
209 int acpi_numa_init (void);
211 void early_acpi_table_init(void *data
, size_t size
);
212 int acpi_table_init (void);
213 int acpi_table_parse(char *id
, acpi_tbl_table_handler handler
);
214 int __init
acpi_parse_entries(char *id
, unsigned long table_size
,
215 acpi_tbl_entry_handler handler
,
216 struct acpi_table_header
*table_header
,
217 int entry_id
, unsigned int max_entries
);
218 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
220 acpi_tbl_entry_handler handler
,
221 unsigned int max_entries
);
222 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
224 acpi_tbl_entry_handler handler
,
225 unsigned int max_entries
);
226 int __init
acpi_table_parse_entries_array(char *id
, unsigned long table_size
,
227 struct acpi_subtable_proc
*proc
, int proc_num
,
228 unsigned int max_entries
);
229 int acpi_table_parse_madt(enum acpi_madt_type id
,
230 acpi_tbl_entry_handler handler
,
231 unsigned int max_entries
);
232 int acpi_parse_mcfg (struct acpi_table_header
*header
);
233 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
235 /* the following four functions are architecture-dependent */
236 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
237 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
238 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity
*pa
);
239 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
240 void acpi_numa_arch_fixup(void);
242 #ifndef PHYS_CPUID_INVALID
243 typedef u32 phys_cpuid_t
;
244 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
247 static inline bool invalid_logical_cpuid(u32 cpuid
)
249 return (int)cpuid
< 0;
252 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id
)
254 return phys_id
== PHYS_CPUID_INVALID
;
257 #ifdef CONFIG_ACPI_HOTPLUG_CPU
258 /* Arch dependent functions for cpu hotplug support */
259 int acpi_map_cpu(acpi_handle handle
, phys_cpuid_t physid
, int *pcpu
);
260 int acpi_unmap_cpu(int cpu
);
261 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
263 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
264 int acpi_get_ioapic_id(acpi_handle handle
, u32 gsi_base
, u64
*phys_addr
);
267 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
268 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
269 int acpi_ioapic_registered(acpi_handle handle
, u32 gsi_base
);
270 void acpi_irq_stats_init(void);
271 extern u32 acpi_irq_handled
;
272 extern u32 acpi_irq_not_handled
;
273 extern unsigned int acpi_sci_irq
;
274 extern bool acpi_no_s5
;
275 #define INVALID_ACPI_IRQ ((unsigned)-1)
276 static inline bool acpi_sci_irq_valid(void)
278 return acpi_sci_irq
!= INVALID_ACPI_IRQ
;
282 extern unsigned long acpi_realmode_flags
;
284 int acpi_register_gsi (struct device
*dev
, u32 gsi
, int triggering
, int polarity
);
285 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
286 int acpi_isa_irq_to_gsi (unsigned isa_irq
, u32
*gsi
);
288 void acpi_set_irq_model(enum acpi_irq_model_id model
,
289 struct fwnode_handle
*fwnode
);
291 #ifdef CONFIG_X86_IO_APIC
292 extern int acpi_get_override_irq(u32 gsi
, int *trigger
, int *polarity
);
294 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
297 * This function undoes the effect of one call to acpi_register_gsi().
298 * If this matches the last registration, any IRQ resources for gsi
301 void acpi_unregister_gsi (u32 gsi
);
305 int acpi_pci_irq_enable (struct pci_dev
*dev
);
306 void acpi_penalize_isa_irq(int irq
, int active
);
307 bool acpi_isa_irq_available(int irq
);
308 void acpi_pci_irq_disable (struct pci_dev
*dev
);
310 extern int ec_read(u8 addr
, u8
*val
);
311 extern int ec_write(u8 addr
, u8 val
);
312 extern int ec_transaction(u8 command
,
313 const u8
*wdata
, unsigned wdata_len
,
314 u8
*rdata
, unsigned rdata_len
);
315 extern acpi_handle
ec_get_handle(void);
317 extern bool acpi_is_pnp_device(struct acpi_device
*);
319 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
321 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
323 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
325 const struct acpi_buffer
*in
,
326 struct acpi_buffer
*out
);
327 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
328 struct acpi_buffer
*out
);
329 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
330 const struct acpi_buffer
*in
);
331 extern acpi_status
wmi_install_notify_handler(const char *guid
,
332 wmi_notify_handler handler
, void *data
);
333 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
334 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
335 extern bool wmi_has_guid(const char *guid
);
337 #endif /* CONFIG_ACPI_WMI */
339 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
340 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
341 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
342 #define ACPI_VIDEO_BACKLIGHT 0x0008
343 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
344 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
345 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
346 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
347 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
348 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
349 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
350 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
352 extern char acpi_video_backlight_string
[];
353 extern long acpi_is_video_device(acpi_handle handle
);
354 extern int acpi_blacklisted(void);
355 extern void acpi_osi_setup(char *str
);
356 extern bool acpi_osi_is_win8(void);
358 #ifdef CONFIG_ACPI_NUMA
359 int acpi_map_pxm_to_online_node(int pxm
);
360 int acpi_get_node(acpi_handle handle
);
362 static inline int acpi_map_pxm_to_online_node(int pxm
)
366 static inline int acpi_get_node(acpi_handle handle
)
371 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
373 extern int pnpacpi_disabled
;
375 #define PXM_INVAL (-1)
377 bool acpi_dev_resource_memory(struct acpi_resource
*ares
, struct resource
*res
);
378 bool acpi_dev_resource_io(struct acpi_resource
*ares
, struct resource
*res
);
379 bool acpi_dev_resource_address_space(struct acpi_resource
*ares
,
380 struct resource_win
*win
);
381 bool acpi_dev_resource_ext_address_space(struct acpi_resource
*ares
,
382 struct resource_win
*win
);
383 unsigned long acpi_dev_irq_flags(u8 triggering
, u8 polarity
, u8 shareable
);
384 unsigned int acpi_dev_get_irq_type(int triggering
, int polarity
);
385 bool acpi_dev_resource_interrupt(struct acpi_resource
*ares
, int index
,
386 struct resource
*res
);
388 void acpi_dev_free_resource_list(struct list_head
*list
);
389 int acpi_dev_get_resources(struct acpi_device
*adev
, struct list_head
*list
,
390 int (*preproc
)(struct acpi_resource
*, void *),
392 int acpi_dev_filter_resource_type(struct acpi_resource
*ares
,
393 unsigned long types
);
395 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource
*ares
,
398 return acpi_dev_filter_resource_type(ares
, (unsigned long)arg
);
401 int acpi_check_resource_conflict(const struct resource
*res
);
403 int acpi_check_region(resource_size_t start
, resource_size_t n
,
406 int acpi_resources_are_enforced(void);
408 #ifdef CONFIG_HIBERNATION
409 void __init
acpi_no_s4_hw_signature(void);
412 #ifdef CONFIG_PM_SLEEP
413 void __init
acpi_old_suspend_ordering(void);
414 void __init
acpi_nvs_nosave(void);
415 void __init
acpi_nvs_nosave_s3(void);
416 #endif /* CONFIG_PM_SLEEP */
418 struct acpi_osc_context
{
419 char *uuid_str
; /* UUID string */
421 struct acpi_buffer cap
; /* list of DWORD capabilities */
422 struct acpi_buffer ret
; /* free by caller if success */
425 acpi_status
acpi_str_to_uuid(char *str
, u8
*uuid
);
426 acpi_status
acpi_run_osc(acpi_handle handle
, struct acpi_osc_context
*context
);
428 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
429 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
430 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
431 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
433 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
434 #define OSC_QUERY_ENABLE 0x00000001 /* input */
435 #define OSC_REQUEST_ERROR 0x00000002 /* return */
436 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
437 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
438 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
440 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
441 #define OSC_SB_PAD_SUPPORT 0x00000001
442 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
443 #define OSC_SB_PR3_SUPPORT 0x00000004
444 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
445 #define OSC_SB_APEI_SUPPORT 0x00000010
446 #define OSC_SB_CPC_SUPPORT 0x00000020
448 extern bool osc_sb_apei_support_acked
;
450 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
451 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
452 #define OSC_PCI_ASPM_SUPPORT 0x00000002
453 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
454 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
455 #define OSC_PCI_MSI_SUPPORT 0x00000010
456 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
458 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
459 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
460 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
461 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
462 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
463 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
464 #define OSC_PCI_CONTROL_MASKS 0x0000001f
466 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
467 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
468 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
469 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
470 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
471 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
472 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
473 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
474 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
475 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
477 extern acpi_status
acpi_pci_osc_control_set(acpi_handle handle
,
480 /* Enable _OST when all relevant hotplug operations are enabled */
481 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
482 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
483 defined(CONFIG_ACPI_CONTAINER)
484 #define ACPI_HOTPLUG_OST
487 /* _OST Source Event Code (OSPM Action) */
488 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
489 #define ACPI_OST_EC_OSPM_EJECT 0x103
490 #define ACPI_OST_EC_OSPM_INSERTION 0x200
492 /* _OST General Processing Status Code */
493 #define ACPI_OST_SC_SUCCESS 0x0
494 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
495 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
497 /* _OST OS Shutdown Processing (0x100) Status Code */
498 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
499 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
500 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
501 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
503 /* _OST Ejection Request (0x3, 0x103) Status Code */
504 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
505 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
506 #define ACPI_OST_SC_DEVICE_BUSY 0x82
507 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
508 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
510 /* _OST Insertion Request (0x200) Status Code */
511 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
512 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
513 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
515 extern void acpi_early_init(void);
516 extern void acpi_subsystem_init(void);
518 extern int acpi_nvs_register(__u64 start
, __u64 size
);
520 extern int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
523 const struct acpi_device_id
*acpi_match_device(const struct acpi_device_id
*ids
,
524 const struct device
*dev
);
526 extern bool acpi_driver_match_device(struct device
*dev
,
527 const struct device_driver
*drv
);
528 int acpi_device_uevent_modalias(struct device
*, struct kobj_uevent_env
*);
529 int acpi_device_modalias(struct device
*, char *, int);
530 void acpi_walk_dep_device_list(acpi_handle handle
);
532 struct platform_device
*acpi_create_platform_device(struct acpi_device
*);
533 #define ACPI_PTR(_ptr) (_ptr)
535 #else /* !CONFIG_ACPI */
537 #define acpi_disabled 1
539 #define ACPI_COMPANION(dev) (NULL)
540 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
541 #define ACPI_HANDLE(dev) (NULL)
542 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
544 struct fwnode_handle
;
546 static inline bool is_acpi_node(struct fwnode_handle
*fwnode
)
551 static inline bool is_acpi_device_node(struct fwnode_handle
*fwnode
)
556 static inline struct acpi_device
*to_acpi_device_node(struct fwnode_handle
*fwnode
)
561 static inline bool is_acpi_data_node(struct fwnode_handle
*fwnode
)
566 static inline struct acpi_data_node
*to_acpi_data_node(struct fwnode_handle
*fwnode
)
571 static inline struct fwnode_handle
*acpi_fwnode_handle(struct acpi_device
*adev
)
576 static inline bool has_acpi_companion(struct device
*dev
)
581 static inline void acpi_preset_companion(struct device
*dev
,
582 struct acpi_device
*parent
, u64 addr
)
586 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
591 static inline void early_acpi_table_init(void *data
, size_t size
) { }
592 static inline void acpi_early_init(void) { }
593 static inline void acpi_subsystem_init(void) { }
595 static inline int early_acpi_boot_init(void)
599 static inline int acpi_boot_init(void)
604 static inline void acpi_boot_table_init(void)
609 static inline int acpi_mps_check(void)
614 static inline int acpi_check_resource_conflict(struct resource
*res
)
619 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
625 struct acpi_table_header
;
626 static inline int acpi_table_parse(char *id
,
627 int (*handler
)(struct acpi_table_header
*))
632 static inline int acpi_nvs_register(__u64 start
, __u64 size
)
637 static inline int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
643 struct acpi_device_id
;
645 static inline const struct acpi_device_id
*acpi_match_device(
646 const struct acpi_device_id
*ids
, const struct device
*dev
)
651 static inline bool acpi_driver_match_device(struct device
*dev
,
652 const struct device_driver
*drv
)
657 static inline int acpi_device_uevent_modalias(struct device
*dev
,
658 struct kobj_uevent_env
*env
)
663 static inline int acpi_device_modalias(struct device
*dev
,
669 static inline bool acpi_dma_supported(struct acpi_device
*adev
)
674 static inline enum dev_dma_attr
acpi_get_dma_attr(struct acpi_device
*adev
)
676 return DEV_DMA_NOT_SUPPORTED
;
679 #define ACPI_PTR(_ptr) (NULL)
681 #endif /* !CONFIG_ACPI */
684 void acpi_os_set_prepare_sleep(int (*func
)(u8 sleep_state
,
685 u32 pm1a_ctrl
, u32 pm1b_ctrl
));
687 acpi_status
acpi_os_prepare_sleep(u8 sleep_state
,
688 u32 pm1a_control
, u32 pm1b_control
);
690 void acpi_os_set_prepare_extended_sleep(int (*func
)(u8 sleep_state
,
691 u32 val_a
, u32 val_b
));
693 acpi_status
acpi_os_prepare_extended_sleep(u8 sleep_state
,
694 u32 val_a
, u32 val_b
);
697 void arch_reserve_mem_area(acpi_physical_address addr
, size_t size
);
699 static inline void arch_reserve_mem_area(acpi_physical_address addr
,
703 #endif /* CONFIG_X86 */
705 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
708 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
709 int acpi_dev_runtime_suspend(struct device
*dev
);
710 int acpi_dev_runtime_resume(struct device
*dev
);
711 int acpi_subsys_runtime_suspend(struct device
*dev
);
712 int acpi_subsys_runtime_resume(struct device
*dev
);
713 struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
);
714 int acpi_dev_pm_attach(struct device
*dev
, bool power_on
);
716 static inline int acpi_dev_runtime_suspend(struct device
*dev
) { return 0; }
717 static inline int acpi_dev_runtime_resume(struct device
*dev
) { return 0; }
718 static inline int acpi_subsys_runtime_suspend(struct device
*dev
) { return 0; }
719 static inline int acpi_subsys_runtime_resume(struct device
*dev
) { return 0; }
720 static inline struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
)
724 static inline int acpi_dev_pm_attach(struct device
*dev
, bool power_on
)
730 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
731 int acpi_dev_suspend_late(struct device
*dev
);
732 int acpi_dev_resume_early(struct device
*dev
);
733 int acpi_subsys_prepare(struct device
*dev
);
734 void acpi_subsys_complete(struct device
*dev
);
735 int acpi_subsys_suspend_late(struct device
*dev
);
736 int acpi_subsys_resume_early(struct device
*dev
);
737 int acpi_subsys_suspend(struct device
*dev
);
738 int acpi_subsys_freeze(struct device
*dev
);
740 static inline int acpi_dev_suspend_late(struct device
*dev
) { return 0; }
741 static inline int acpi_dev_resume_early(struct device
*dev
) { return 0; }
742 static inline int acpi_subsys_prepare(struct device
*dev
) { return 0; }
743 static inline void acpi_subsys_complete(struct device
*dev
) {}
744 static inline int acpi_subsys_suspend_late(struct device
*dev
) { return 0; }
745 static inline int acpi_subsys_resume_early(struct device
*dev
) { return 0; }
746 static inline int acpi_subsys_suspend(struct device
*dev
) { return 0; }
747 static inline int acpi_subsys_freeze(struct device
*dev
) { return 0; }
752 void acpi_handle_printk(const char *level
, acpi_handle handle
,
753 const char *fmt
, ...);
754 #else /* !CONFIG_ACPI */
755 static inline __printf(3, 4) void
756 acpi_handle_printk(const char *level
, void *handle
, const char *fmt
, ...) {}
757 #endif /* !CONFIG_ACPI */
759 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
761 void __acpi_handle_debug(struct _ddebug
*descriptor
, acpi_handle handle
, const char *fmt
, ...);
763 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
764 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
768 * acpi_handle_<level>: Print message with ACPI prefix and object path
770 * These interfaces acquire the global namespace mutex to obtain an object
771 * path. In interrupt context, it shows the object path as <n/a>.
773 #define acpi_handle_emerg(handle, fmt, ...) \
774 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
775 #define acpi_handle_alert(handle, fmt, ...) \
776 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
777 #define acpi_handle_crit(handle, fmt, ...) \
778 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
779 #define acpi_handle_err(handle, fmt, ...) \
780 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
781 #define acpi_handle_warn(handle, fmt, ...) \
782 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
783 #define acpi_handle_notice(handle, fmt, ...) \
784 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
785 #define acpi_handle_info(handle, fmt, ...) \
786 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
789 #define acpi_handle_debug(handle, fmt, ...) \
790 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
792 #if defined(CONFIG_DYNAMIC_DEBUG)
793 #define acpi_handle_debug(handle, fmt, ...) \
795 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
796 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
797 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
801 #define acpi_handle_debug(handle, fmt, ...) \
804 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
810 struct acpi_gpio_params
{
811 unsigned int crs_entry_index
;
812 unsigned int line_index
;
816 struct acpi_gpio_mapping
{
818 const struct acpi_gpio_params
*data
;
822 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
823 int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
824 const struct acpi_gpio_mapping
*gpios
);
826 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
)
829 adev
->driver_gpios
= NULL
;
832 int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
);
834 static inline int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
835 const struct acpi_gpio_mapping
*gpios
)
839 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
) {}
841 static inline int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
)
847 /* Device properties */
849 #define MAX_ACPI_REFERENCE_ARGS 8
850 struct acpi_reference_args
{
851 struct acpi_device
*adev
;
853 u64 args
[MAX_ACPI_REFERENCE_ARGS
];
857 int acpi_dev_get_property(struct acpi_device
*adev
, const char *name
,
858 acpi_object_type type
, const union acpi_object
**obj
);
859 int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
860 const char *name
, size_t index
,
861 struct acpi_reference_args
*args
);
863 int acpi_node_prop_get(struct fwnode_handle
*fwnode
, const char *propname
,
865 int acpi_dev_prop_read_single(struct acpi_device
*adev
, const char *propname
,
866 enum dev_prop_type proptype
, void *val
);
867 int acpi_node_prop_read(struct fwnode_handle
*fwnode
, const char *propname
,
868 enum dev_prop_type proptype
, void *val
, size_t nval
);
869 int acpi_dev_prop_read(struct acpi_device
*adev
, const char *propname
,
870 enum dev_prop_type proptype
, void *val
, size_t nval
);
872 struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
873 struct fwnode_handle
*subnode
);
875 struct acpi_probe_entry
;
876 typedef bool (*acpi_probe_entry_validate_subtbl
)(struct acpi_subtable_header
*,
877 struct acpi_probe_entry
*);
879 #define ACPI_TABLE_ID_LEN 5
882 * struct acpi_probe_entry - boot-time probing entry
883 * @id: ACPI table name
884 * @type: Optional subtable type to match
885 * (if @id contains subtables)
886 * @subtable_valid: Optional callback to check the validity of
888 * @probe_table: Callback to the driver being probed when table
889 * match is successful
890 * @probe_subtbl: Callback to the driver being probed when table and
891 * subtable match (and optional callback is successful)
892 * @driver_data: Sideband data provided back to the driver
894 struct acpi_probe_entry
{
895 __u8 id
[ACPI_TABLE_ID_LEN
];
897 acpi_probe_entry_validate_subtbl subtable_valid
;
899 acpi_tbl_table_handler probe_table
;
900 acpi_tbl_entry_handler probe_subtbl
;
902 kernel_ulong_t driver_data
;
905 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
906 static const struct acpi_probe_entry __acpi_probe_##name \
907 __used __section(__##table##_acpi_probe_table) \
911 .subtable_valid = valid, \
912 .probe_table = (acpi_tbl_table_handler)fn, \
913 .driver_data = data, \
916 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
917 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
919 int __acpi_probe_device_table(struct acpi_probe_entry
*start
, int nr
);
921 #define acpi_probe_device_table(t) \
923 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
924 ACPI_PROBE_TABLE_END(t); \
925 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
926 (&ACPI_PROBE_TABLE_END(t) - \
927 &ACPI_PROBE_TABLE(t))); \
930 static inline int acpi_dev_get_property(struct acpi_device
*adev
,
931 const char *name
, acpi_object_type type
,
932 const union acpi_object
**obj
)
937 static inline int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
938 const char *name
, size_t index
,
939 struct acpi_reference_args
*args
)
944 static inline int acpi_node_prop_get(struct fwnode_handle
*fwnode
,
945 const char *propname
,
951 static inline int acpi_dev_prop_get(struct acpi_device
*adev
,
952 const char *propname
,
958 static inline int acpi_dev_prop_read_single(struct acpi_device
*adev
,
959 const char *propname
,
960 enum dev_prop_type proptype
,
966 static inline int acpi_node_prop_read(struct fwnode_handle
*fwnode
,
967 const char *propname
,
968 enum dev_prop_type proptype
,
969 void *val
, size_t nval
)
974 static inline int acpi_dev_prop_read(struct acpi_device
*adev
,
975 const char *propname
,
976 enum dev_prop_type proptype
,
977 void *val
, size_t nval
)
982 static inline struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
983 struct fwnode_handle
*subnode
)
988 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
989 static const void * __acpi_table_##name[] \
990 __attribute__((unused)) \
991 = { (void *) table_id, \
997 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1000 #endif /*_LINUX_ACPI_H*/