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 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
194 void acpi_initrd_override(void *data
, size_t size
);
196 static inline void acpi_initrd_override(void *data
, size_t size
)
201 #define BAD_MADT_ENTRY(entry, end) ( \
202 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
203 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
205 struct acpi_subtable_proc
{
207 acpi_tbl_entry_handler handler
;
211 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
212 void __acpi_unmap_table(char *map
, unsigned long size
);
213 int early_acpi_boot_init(void);
214 int acpi_boot_init (void);
215 void acpi_boot_table_init (void);
216 int acpi_mps_check (void);
217 int acpi_numa_init (void);
219 int acpi_table_init (void);
220 int acpi_table_parse(char *id
, acpi_tbl_table_handler handler
);
221 int __init
acpi_parse_entries(char *id
, unsigned long table_size
,
222 acpi_tbl_entry_handler handler
,
223 struct acpi_table_header
*table_header
,
224 int entry_id
, unsigned int max_entries
);
225 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
227 acpi_tbl_entry_handler handler
,
228 unsigned int max_entries
);
229 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
231 acpi_tbl_entry_handler handler
,
232 unsigned int max_entries
);
233 int __init
acpi_table_parse_entries_array(char *id
, unsigned long table_size
,
234 struct acpi_subtable_proc
*proc
, int proc_num
,
235 unsigned int max_entries
);
236 int acpi_table_parse_madt(enum acpi_madt_type id
,
237 acpi_tbl_entry_handler handler
,
238 unsigned int max_entries
);
239 int acpi_parse_mcfg (struct acpi_table_header
*header
);
240 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
242 /* the following four functions are architecture-dependent */
243 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
244 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
245 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity
*pa
);
246 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
247 void acpi_numa_arch_fixup(void);
249 #ifndef PHYS_CPUID_INVALID
250 typedef u32 phys_cpuid_t
;
251 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
254 static inline bool invalid_logical_cpuid(u32 cpuid
)
256 return (int)cpuid
< 0;
259 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id
)
261 return phys_id
== PHYS_CPUID_INVALID
;
264 #ifdef CONFIG_ACPI_HOTPLUG_CPU
265 /* Arch dependent functions for cpu hotplug support */
266 int acpi_map_cpu(acpi_handle handle
, phys_cpuid_t physid
, int *pcpu
);
267 int acpi_unmap_cpu(int cpu
);
268 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
270 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
271 int acpi_get_ioapic_id(acpi_handle handle
, u32 gsi_base
, u64
*phys_addr
);
274 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
275 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
276 int acpi_ioapic_registered(acpi_handle handle
, u32 gsi_base
);
277 void acpi_irq_stats_init(void);
278 extern u32 acpi_irq_handled
;
279 extern u32 acpi_irq_not_handled
;
280 extern unsigned int acpi_sci_irq
;
281 #define INVALID_ACPI_IRQ ((unsigned)-1)
282 static inline bool acpi_sci_irq_valid(void)
284 return acpi_sci_irq
!= INVALID_ACPI_IRQ
;
288 extern unsigned long acpi_realmode_flags
;
290 int acpi_register_gsi (struct device
*dev
, u32 gsi
, int triggering
, int polarity
);
291 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
292 int acpi_isa_irq_to_gsi (unsigned isa_irq
, u32
*gsi
);
294 void acpi_set_irq_model(enum acpi_irq_model_id model
,
295 struct fwnode_handle
*fwnode
);
297 #ifdef CONFIG_X86_IO_APIC
298 extern int acpi_get_override_irq(u32 gsi
, int *trigger
, int *polarity
);
300 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
303 * This function undoes the effect of one call to acpi_register_gsi().
304 * If this matches the last registration, any IRQ resources for gsi
307 void acpi_unregister_gsi (u32 gsi
);
311 int acpi_pci_irq_enable (struct pci_dev
*dev
);
312 void acpi_penalize_isa_irq(int irq
, int active
);
313 bool acpi_isa_irq_available(int irq
);
314 void acpi_penalize_sci_irq(int irq
, int trigger
, int polarity
);
315 void acpi_pci_irq_disable (struct pci_dev
*dev
);
317 extern int ec_read(u8 addr
, u8
*val
);
318 extern int ec_write(u8 addr
, u8 val
);
319 extern int ec_transaction(u8 command
,
320 const u8
*wdata
, unsigned wdata_len
,
321 u8
*rdata
, unsigned rdata_len
);
322 extern acpi_handle
ec_get_handle(void);
324 extern bool acpi_is_pnp_device(struct acpi_device
*);
326 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
328 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
330 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
332 const struct acpi_buffer
*in
,
333 struct acpi_buffer
*out
);
334 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
335 struct acpi_buffer
*out
);
336 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
337 const struct acpi_buffer
*in
);
338 extern acpi_status
wmi_install_notify_handler(const char *guid
,
339 wmi_notify_handler handler
, void *data
);
340 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
341 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
342 extern bool wmi_has_guid(const char *guid
);
344 #endif /* CONFIG_ACPI_WMI */
346 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
347 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
348 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
349 #define ACPI_VIDEO_BACKLIGHT 0x0008
350 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
351 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
352 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
353 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
354 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
355 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
356 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
357 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
359 extern char acpi_video_backlight_string
[];
360 extern long acpi_is_video_device(acpi_handle handle
);
361 extern int acpi_blacklisted(void);
362 extern void acpi_dmi_osi_linux(int enable
, const struct dmi_system_id
*d
);
363 extern void acpi_osi_setup(char *str
);
364 extern bool acpi_osi_is_win8(void);
366 #ifdef CONFIG_ACPI_NUMA
367 int acpi_map_pxm_to_online_node(int pxm
);
368 int acpi_get_node(acpi_handle handle
);
370 static inline int acpi_map_pxm_to_online_node(int pxm
)
374 static inline int acpi_get_node(acpi_handle handle
)
379 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
381 extern int pnpacpi_disabled
;
383 #define PXM_INVAL (-1)
385 bool acpi_dev_resource_memory(struct acpi_resource
*ares
, struct resource
*res
);
386 bool acpi_dev_resource_io(struct acpi_resource
*ares
, struct resource
*res
);
387 bool acpi_dev_resource_address_space(struct acpi_resource
*ares
,
388 struct resource_win
*win
);
389 bool acpi_dev_resource_ext_address_space(struct acpi_resource
*ares
,
390 struct resource_win
*win
);
391 unsigned long acpi_dev_irq_flags(u8 triggering
, u8 polarity
, u8 shareable
);
392 unsigned int acpi_dev_get_irq_type(int triggering
, int polarity
);
393 bool acpi_dev_resource_interrupt(struct acpi_resource
*ares
, int index
,
394 struct resource
*res
);
396 void acpi_dev_free_resource_list(struct list_head
*list
);
397 int acpi_dev_get_resources(struct acpi_device
*adev
, struct list_head
*list
,
398 int (*preproc
)(struct acpi_resource
*, void *),
400 int acpi_dev_filter_resource_type(struct acpi_resource
*ares
,
401 unsigned long types
);
403 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource
*ares
,
406 return acpi_dev_filter_resource_type(ares
, (unsigned long)arg
);
409 int acpi_check_resource_conflict(const struct resource
*res
);
411 int acpi_check_region(resource_size_t start
, resource_size_t n
,
414 int acpi_resources_are_enforced(void);
416 #ifdef CONFIG_HIBERNATION
417 void __init
acpi_no_s4_hw_signature(void);
420 #ifdef CONFIG_PM_SLEEP
421 void __init
acpi_old_suspend_ordering(void);
422 void __init
acpi_nvs_nosave(void);
423 void __init
acpi_nvs_nosave_s3(void);
424 #endif /* CONFIG_PM_SLEEP */
426 struct acpi_osc_context
{
427 char *uuid_str
; /* UUID string */
429 struct acpi_buffer cap
; /* list of DWORD capabilities */
430 struct acpi_buffer ret
; /* free by caller if success */
433 acpi_status
acpi_str_to_uuid(char *str
, u8
*uuid
);
434 acpi_status
acpi_run_osc(acpi_handle handle
, struct acpi_osc_context
*context
);
436 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
437 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
438 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
439 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
441 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
442 #define OSC_QUERY_ENABLE 0x00000001 /* input */
443 #define OSC_REQUEST_ERROR 0x00000002 /* return */
444 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
445 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
446 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
448 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
449 #define OSC_SB_PAD_SUPPORT 0x00000001
450 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
451 #define OSC_SB_PR3_SUPPORT 0x00000004
452 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
453 #define OSC_SB_APEI_SUPPORT 0x00000010
454 #define OSC_SB_CPC_SUPPORT 0x00000020
456 extern bool osc_sb_apei_support_acked
;
458 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
459 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
460 #define OSC_PCI_ASPM_SUPPORT 0x00000002
461 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
462 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
463 #define OSC_PCI_MSI_SUPPORT 0x00000010
464 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
466 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
467 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
468 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
469 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
470 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
471 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
472 #define OSC_PCI_CONTROL_MASKS 0x0000001f
474 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
475 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
476 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
477 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
478 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
479 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
480 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
481 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
482 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
483 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
485 extern acpi_status
acpi_pci_osc_control_set(acpi_handle handle
,
488 /* Enable _OST when all relevant hotplug operations are enabled */
489 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
490 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
491 defined(CONFIG_ACPI_CONTAINER)
492 #define ACPI_HOTPLUG_OST
495 /* _OST Source Event Code (OSPM Action) */
496 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
497 #define ACPI_OST_EC_OSPM_EJECT 0x103
498 #define ACPI_OST_EC_OSPM_INSERTION 0x200
500 /* _OST General Processing Status Code */
501 #define ACPI_OST_SC_SUCCESS 0x0
502 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
503 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
505 /* _OST OS Shutdown Processing (0x100) Status Code */
506 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
507 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
508 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
509 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
511 /* _OST Ejection Request (0x3, 0x103) Status Code */
512 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
513 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
514 #define ACPI_OST_SC_DEVICE_BUSY 0x82
515 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
516 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
518 /* _OST Insertion Request (0x200) Status Code */
519 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
520 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
521 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
523 extern void acpi_early_init(void);
524 extern void acpi_subsystem_init(void);
526 extern int acpi_nvs_register(__u64 start
, __u64 size
);
528 extern int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
531 const struct acpi_device_id
*acpi_match_device(const struct acpi_device_id
*ids
,
532 const struct device
*dev
);
534 extern bool acpi_driver_match_device(struct device
*dev
,
535 const struct device_driver
*drv
);
536 int acpi_device_uevent_modalias(struct device
*, struct kobj_uevent_env
*);
537 int acpi_device_modalias(struct device
*, char *, int);
538 void acpi_walk_dep_device_list(acpi_handle handle
);
540 struct platform_device
*acpi_create_platform_device(struct acpi_device
*);
541 #define ACPI_PTR(_ptr) (_ptr)
543 #else /* !CONFIG_ACPI */
545 #define acpi_disabled 1
547 #define ACPI_COMPANION(dev) (NULL)
548 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
549 #define ACPI_HANDLE(dev) (NULL)
550 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
552 struct fwnode_handle
;
554 static inline bool is_acpi_node(struct fwnode_handle
*fwnode
)
559 static inline bool is_acpi_device_node(struct fwnode_handle
*fwnode
)
564 static inline struct acpi_device
*to_acpi_device_node(struct fwnode_handle
*fwnode
)
569 static inline bool is_acpi_data_node(struct fwnode_handle
*fwnode
)
574 static inline struct acpi_data_node
*to_acpi_data_node(struct fwnode_handle
*fwnode
)
579 static inline struct fwnode_handle
*acpi_fwnode_handle(struct acpi_device
*adev
)
584 static inline bool has_acpi_companion(struct device
*dev
)
589 static inline void acpi_preset_companion(struct device
*dev
,
590 struct acpi_device
*parent
, u64 addr
)
594 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
599 static inline void acpi_early_init(void) { }
600 static inline void acpi_subsystem_init(void) { }
602 static inline int early_acpi_boot_init(void)
606 static inline int acpi_boot_init(void)
611 static inline void acpi_boot_table_init(void)
616 static inline int acpi_mps_check(void)
621 static inline int acpi_check_resource_conflict(struct resource
*res
)
626 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
632 struct acpi_table_header
;
633 static inline int acpi_table_parse(char *id
,
634 int (*handler
)(struct acpi_table_header
*))
639 static inline int acpi_nvs_register(__u64 start
, __u64 size
)
644 static inline int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
650 struct acpi_device_id
;
652 static inline const struct acpi_device_id
*acpi_match_device(
653 const struct acpi_device_id
*ids
, const struct device
*dev
)
658 static inline bool acpi_driver_match_device(struct device
*dev
,
659 const struct device_driver
*drv
)
664 static inline int acpi_device_uevent_modalias(struct device
*dev
,
665 struct kobj_uevent_env
*env
)
670 static inline int acpi_device_modalias(struct device
*dev
,
676 static inline bool acpi_dma_supported(struct acpi_device
*adev
)
681 static inline enum dev_dma_attr
acpi_get_dma_attr(struct acpi_device
*adev
)
683 return DEV_DMA_NOT_SUPPORTED
;
686 #define ACPI_PTR(_ptr) (NULL)
688 #endif /* !CONFIG_ACPI */
691 void acpi_os_set_prepare_sleep(int (*func
)(u8 sleep_state
,
692 u32 pm1a_ctrl
, u32 pm1b_ctrl
));
694 acpi_status
acpi_os_prepare_sleep(u8 sleep_state
,
695 u32 pm1a_control
, u32 pm1b_control
);
697 void acpi_os_set_prepare_extended_sleep(int (*func
)(u8 sleep_state
,
698 u32 val_a
, u32 val_b
));
700 acpi_status
acpi_os_prepare_extended_sleep(u8 sleep_state
,
701 u32 val_a
, u32 val_b
);
704 void arch_reserve_mem_area(acpi_physical_address addr
, size_t size
);
706 static inline void arch_reserve_mem_area(acpi_physical_address addr
,
710 #endif /* CONFIG_X86 */
712 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
715 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
716 int acpi_dev_runtime_suspend(struct device
*dev
);
717 int acpi_dev_runtime_resume(struct device
*dev
);
718 int acpi_subsys_runtime_suspend(struct device
*dev
);
719 int acpi_subsys_runtime_resume(struct device
*dev
);
720 struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
);
721 int acpi_dev_pm_attach(struct device
*dev
, bool power_on
);
723 static inline int acpi_dev_runtime_suspend(struct device
*dev
) { return 0; }
724 static inline int acpi_dev_runtime_resume(struct device
*dev
) { return 0; }
725 static inline int acpi_subsys_runtime_suspend(struct device
*dev
) { return 0; }
726 static inline int acpi_subsys_runtime_resume(struct device
*dev
) { return 0; }
727 static inline struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
)
731 static inline int acpi_dev_pm_attach(struct device
*dev
, bool power_on
)
737 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
738 int acpi_dev_suspend_late(struct device
*dev
);
739 int acpi_dev_resume_early(struct device
*dev
);
740 int acpi_subsys_prepare(struct device
*dev
);
741 void acpi_subsys_complete(struct device
*dev
);
742 int acpi_subsys_suspend_late(struct device
*dev
);
743 int acpi_subsys_resume_early(struct device
*dev
);
744 int acpi_subsys_suspend(struct device
*dev
);
745 int acpi_subsys_freeze(struct device
*dev
);
747 static inline int acpi_dev_suspend_late(struct device
*dev
) { return 0; }
748 static inline int acpi_dev_resume_early(struct device
*dev
) { return 0; }
749 static inline int acpi_subsys_prepare(struct device
*dev
) { return 0; }
750 static inline void acpi_subsys_complete(struct device
*dev
) {}
751 static inline int acpi_subsys_suspend_late(struct device
*dev
) { return 0; }
752 static inline int acpi_subsys_resume_early(struct device
*dev
) { return 0; }
753 static inline int acpi_subsys_suspend(struct device
*dev
) { return 0; }
754 static inline int acpi_subsys_freeze(struct device
*dev
) { return 0; }
759 void acpi_handle_printk(const char *level
, acpi_handle handle
,
760 const char *fmt
, ...);
761 #else /* !CONFIG_ACPI */
762 static inline __printf(3, 4) void
763 acpi_handle_printk(const char *level
, void *handle
, const char *fmt
, ...) {}
764 #endif /* !CONFIG_ACPI */
766 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
768 void __acpi_handle_debug(struct _ddebug
*descriptor
, acpi_handle handle
, const char *fmt
, ...);
770 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
771 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
775 * acpi_handle_<level>: Print message with ACPI prefix and object path
777 * These interfaces acquire the global namespace mutex to obtain an object
778 * path. In interrupt context, it shows the object path as <n/a>.
780 #define acpi_handle_emerg(handle, fmt, ...) \
781 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
782 #define acpi_handle_alert(handle, fmt, ...) \
783 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
784 #define acpi_handle_crit(handle, fmt, ...) \
785 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
786 #define acpi_handle_err(handle, fmt, ...) \
787 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
788 #define acpi_handle_warn(handle, fmt, ...) \
789 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
790 #define acpi_handle_notice(handle, fmt, ...) \
791 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
792 #define acpi_handle_info(handle, fmt, ...) \
793 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
796 #define acpi_handle_debug(handle, fmt, ...) \
797 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
799 #if defined(CONFIG_DYNAMIC_DEBUG)
800 #define acpi_handle_debug(handle, fmt, ...) \
802 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
803 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
804 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
808 #define acpi_handle_debug(handle, fmt, ...) \
811 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
817 struct acpi_gpio_params
{
818 unsigned int crs_entry_index
;
819 unsigned int line_index
;
823 struct acpi_gpio_mapping
{
825 const struct acpi_gpio_params
*data
;
829 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
830 int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
831 const struct acpi_gpio_mapping
*gpios
);
833 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
)
836 adev
->driver_gpios
= NULL
;
839 int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
);
841 static inline int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
842 const struct acpi_gpio_mapping
*gpios
)
846 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
) {}
848 static inline int acpi_dev_gpio_irq_get(struct acpi_device
*adev
, int index
)
854 /* Device properties */
856 #define MAX_ACPI_REFERENCE_ARGS 8
857 struct acpi_reference_args
{
858 struct acpi_device
*adev
;
860 u64 args
[MAX_ACPI_REFERENCE_ARGS
];
864 int acpi_dev_get_property(struct acpi_device
*adev
, const char *name
,
865 acpi_object_type type
, const union acpi_object
**obj
);
866 int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
867 const char *name
, size_t index
,
868 struct acpi_reference_args
*args
);
870 int acpi_node_prop_get(struct fwnode_handle
*fwnode
, const char *propname
,
872 int acpi_dev_prop_read_single(struct acpi_device
*adev
, const char *propname
,
873 enum dev_prop_type proptype
, void *val
);
874 int acpi_node_prop_read(struct fwnode_handle
*fwnode
, const char *propname
,
875 enum dev_prop_type proptype
, void *val
, size_t nval
);
876 int acpi_dev_prop_read(struct acpi_device
*adev
, const char *propname
,
877 enum dev_prop_type proptype
, void *val
, size_t nval
);
879 struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
880 struct fwnode_handle
*subnode
);
882 struct acpi_probe_entry
;
883 typedef bool (*acpi_probe_entry_validate_subtbl
)(struct acpi_subtable_header
*,
884 struct acpi_probe_entry
*);
886 #define ACPI_TABLE_ID_LEN 5
889 * struct acpi_probe_entry - boot-time probing entry
890 * @id: ACPI table name
891 * @type: Optional subtable type to match
892 * (if @id contains subtables)
893 * @subtable_valid: Optional callback to check the validity of
895 * @probe_table: Callback to the driver being probed when table
896 * match is successful
897 * @probe_subtbl: Callback to the driver being probed when table and
898 * subtable match (and optional callback is successful)
899 * @driver_data: Sideband data provided back to the driver
901 struct acpi_probe_entry
{
902 __u8 id
[ACPI_TABLE_ID_LEN
];
904 acpi_probe_entry_validate_subtbl subtable_valid
;
906 acpi_tbl_table_handler probe_table
;
907 acpi_tbl_entry_handler probe_subtbl
;
909 kernel_ulong_t driver_data
;
912 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
913 static const struct acpi_probe_entry __acpi_probe_##name \
914 __used __section(__##table##_acpi_probe_table) \
918 .subtable_valid = valid, \
919 .probe_table = (acpi_tbl_table_handler)fn, \
920 .driver_data = data, \
923 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
924 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
926 int __acpi_probe_device_table(struct acpi_probe_entry
*start
, int nr
);
928 #define acpi_probe_device_table(t) \
930 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
931 ACPI_PROBE_TABLE_END(t); \
932 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
933 (&ACPI_PROBE_TABLE_END(t) - \
934 &ACPI_PROBE_TABLE(t))); \
937 static inline int acpi_dev_get_property(struct acpi_device
*adev
,
938 const char *name
, acpi_object_type type
,
939 const union acpi_object
**obj
)
944 static inline int acpi_node_get_property_reference(struct fwnode_handle
*fwnode
,
945 const char *name
, size_t index
,
946 struct acpi_reference_args
*args
)
951 static inline int acpi_node_prop_get(struct fwnode_handle
*fwnode
,
952 const char *propname
,
958 static inline int acpi_dev_prop_get(struct acpi_device
*adev
,
959 const char *propname
,
965 static inline int acpi_dev_prop_read_single(struct acpi_device
*adev
,
966 const char *propname
,
967 enum dev_prop_type proptype
,
973 static inline int acpi_node_prop_read(struct fwnode_handle
*fwnode
,
974 const char *propname
,
975 enum dev_prop_type proptype
,
976 void *val
, size_t nval
)
981 static inline int acpi_dev_prop_read(struct acpi_device
*adev
,
982 const char *propname
,
983 enum dev_prop_type proptype
,
984 void *val
, size_t nval
)
989 static inline struct fwnode_handle
*acpi_get_next_subnode(struct device
*dev
,
990 struct fwnode_handle
*subnode
)
995 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
996 static const void * __acpi_table_##name[] \
997 __attribute__((unused)) \
998 = { (void *) table_id, \
1004 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1007 #endif /*_LINUX_ACPI_H*/