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 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
28 #include <linux/errno.h>
29 #include <linux/ioport.h> /* for struct resource */
30 #include <linux/device.h>
31 #include <linux/property.h>
36 #include <acpi/acpi.h>
40 #include <linux/list.h>
41 #include <linux/mod_devicetable.h>
42 #include <linux/dynamic_debug.h>
44 #include <acpi/acpi_bus.h>
45 #include <acpi/acpi_drivers.h>
46 #include <acpi/acpi_numa.h>
47 #include <acpi/acpi_io.h>
50 static inline acpi_handle
acpi_device_handle(struct acpi_device
*adev
)
52 return adev
? adev
->handle
: NULL
;
55 #define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
56 #define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
57 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
59 static inline void acpi_preset_companion(struct device
*dev
,
60 struct acpi_device
*parent
, u64 addr
)
62 ACPI_COMPANION_SET(dev
, acpi_find_child_device(parent
, addr
, NULL
));
65 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
67 return dev_name(&adev
->dev
);
70 enum acpi_irq_model_id
{
71 ACPI_IRQ_MODEL_PIC
= 0,
72 ACPI_IRQ_MODEL_IOAPIC
,
73 ACPI_IRQ_MODEL_IOSAPIC
,
74 ACPI_IRQ_MODEL_PLATFORM
,
78 extern enum acpi_irq_model_id acpi_irq_model
;
80 enum acpi_interrupt_id
{
81 ACPI_INTERRUPT_PMI
= 1,
87 #define ACPI_SPACE_MEM 0
89 enum acpi_address_range_id
{
90 ACPI_ADDRESS_RANGE_MEMORY
= 1,
91 ACPI_ADDRESS_RANGE_RESERVED
= 2,
92 ACPI_ADDRESS_RANGE_ACPI
= 3,
93 ACPI_ADDRESS_RANGE_NVS
= 4,
94 ACPI_ADDRESS_RANGE_COUNT
100 typedef int (*acpi_tbl_table_handler
)(struct acpi_table_header
*table
);
102 typedef int (*acpi_tbl_entry_handler
)(struct acpi_subtable_header
*header
,
103 const unsigned long end
);
105 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
106 void acpi_initrd_override(void *data
, size_t size
);
108 static inline void acpi_initrd_override(void *data
, size_t size
)
113 #define BAD_MADT_ENTRY(entry, end) ( \
114 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
115 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
117 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
118 void __acpi_unmap_table(char *map
, unsigned long size
);
119 int early_acpi_boot_init(void);
120 int acpi_boot_init (void);
121 void acpi_boot_table_init (void);
122 int acpi_mps_check (void);
123 int acpi_numa_init (void);
125 int acpi_table_init (void);
126 int acpi_table_parse(char *id
, acpi_tbl_table_handler handler
);
127 int __init
acpi_parse_entries(char *id
, unsigned long table_size
,
128 acpi_tbl_entry_handler handler
,
129 struct acpi_table_header
*table_header
,
130 int entry_id
, unsigned int max_entries
);
131 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
133 acpi_tbl_entry_handler handler
,
134 unsigned int max_entries
);
135 int acpi_table_parse_madt(enum acpi_madt_type id
,
136 acpi_tbl_entry_handler handler
,
137 unsigned int max_entries
);
138 int acpi_parse_mcfg (struct acpi_table_header
*header
);
139 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
141 /* the following four functions are architecture-dependent */
142 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
143 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
144 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity
*pa
);
145 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
146 void acpi_numa_arch_fixup(void);
148 #ifdef CONFIG_ACPI_HOTPLUG_CPU
149 /* Arch dependent functions for cpu hotplug support */
150 int acpi_map_cpu(acpi_handle handle
, int physid
, int *pcpu
);
151 int acpi_unmap_cpu(int cpu
);
152 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
154 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
155 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
156 int acpi_ioapic_registered(acpi_handle handle
, u32 gsi_base
);
157 void acpi_irq_stats_init(void);
158 extern u32 acpi_irq_handled
;
159 extern u32 acpi_irq_not_handled
;
162 extern unsigned long acpi_realmode_flags
;
164 int acpi_register_gsi (struct device
*dev
, u32 gsi
, int triggering
, int polarity
);
165 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
166 int acpi_isa_irq_to_gsi (unsigned isa_irq
, u32
*gsi
);
168 #ifdef CONFIG_X86_IO_APIC
169 extern int acpi_get_override_irq(u32 gsi
, int *trigger
, int *polarity
);
171 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
174 * This function undoes the effect of one call to acpi_register_gsi().
175 * If this matches the last registration, any IRQ resources for gsi
178 void acpi_unregister_gsi (u32 gsi
);
182 int acpi_pci_irq_enable (struct pci_dev
*dev
);
183 void acpi_penalize_isa_irq(int irq
, int active
);
185 void acpi_pci_irq_disable (struct pci_dev
*dev
);
187 extern int ec_read(u8 addr
, u8
*val
);
188 extern int ec_write(u8 addr
, u8 val
);
189 extern int ec_transaction(u8 command
,
190 const u8
*wdata
, unsigned wdata_len
,
191 u8
*rdata
, unsigned rdata_len
);
192 extern acpi_handle
ec_get_handle(void);
194 extern bool acpi_is_pnp_device(struct acpi_device
*);
196 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
198 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
200 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
202 const struct acpi_buffer
*in
,
203 struct acpi_buffer
*out
);
204 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
205 struct acpi_buffer
*out
);
206 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
207 const struct acpi_buffer
*in
);
208 extern acpi_status
wmi_install_notify_handler(const char *guid
,
209 wmi_notify_handler handler
, void *data
);
210 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
211 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
212 extern bool wmi_has_guid(const char *guid
);
214 #endif /* CONFIG_ACPI_WMI */
216 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
217 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
218 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
219 #define ACPI_VIDEO_BACKLIGHT 0x0008
220 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
221 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
222 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
223 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
224 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
225 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
226 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
227 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
229 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
231 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle
);
232 extern long acpi_is_video_device(acpi_handle handle
);
233 extern void acpi_video_dmi_promote_vendor(void);
234 extern void acpi_video_dmi_demote_vendor(void);
235 extern int acpi_video_backlight_support(void);
236 extern int acpi_video_display_switch_support(void);
240 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle
)
245 static inline long acpi_is_video_device(acpi_handle handle
)
250 static inline void acpi_video_dmi_promote_vendor(void)
254 static inline void acpi_video_dmi_demote_vendor(void)
258 static inline int acpi_video_backlight_support(void)
263 static inline int acpi_video_display_switch_support(void)
268 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
270 extern int acpi_blacklisted(void);
271 extern void acpi_dmi_osi_linux(int enable
, const struct dmi_system_id
*d
);
272 extern void acpi_osi_setup(char *str
);
274 #ifdef CONFIG_ACPI_NUMA
275 int acpi_get_node(acpi_handle handle
);
277 static inline int acpi_get_node(acpi_handle handle
)
282 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
284 extern int pnpacpi_disabled
;
286 #define PXM_INVAL (-1)
288 struct resource_win
{
290 resource_size_t offset
;
293 bool acpi_dev_resource_memory(struct acpi_resource
*ares
, struct resource
*res
);
294 bool acpi_dev_resource_io(struct acpi_resource
*ares
, struct resource
*res
);
295 bool acpi_dev_resource_address_space(struct acpi_resource
*ares
,
296 struct resource_win
*win
);
297 bool acpi_dev_resource_ext_address_space(struct acpi_resource
*ares
,
298 struct resource_win
*win
);
299 unsigned long acpi_dev_irq_flags(u8 triggering
, u8 polarity
, u8 shareable
);
300 bool acpi_dev_resource_interrupt(struct acpi_resource
*ares
, int index
,
301 struct resource
*res
);
303 struct resource_list_entry
{
304 struct list_head node
;
308 void acpi_dev_free_resource_list(struct list_head
*list
);
309 int acpi_dev_get_resources(struct acpi_device
*adev
, struct list_head
*list
,
310 int (*preproc
)(struct acpi_resource
*, void *),
313 int acpi_check_resource_conflict(const struct resource
*res
);
315 int acpi_check_region(resource_size_t start
, resource_size_t n
,
318 int acpi_resources_are_enforced(void);
320 #ifdef CONFIG_HIBERNATION
321 void __init
acpi_no_s4_hw_signature(void);
324 #ifdef CONFIG_PM_SLEEP
325 void __init
acpi_old_suspend_ordering(void);
326 void __init
acpi_nvs_nosave(void);
327 void __init
acpi_nvs_nosave_s3(void);
328 #endif /* CONFIG_PM_SLEEP */
330 struct acpi_osc_context
{
331 char *uuid_str
; /* UUID string */
333 struct acpi_buffer cap
; /* list of DWORD capabilities */
334 struct acpi_buffer ret
; /* free by caller if success */
337 acpi_status
acpi_str_to_uuid(char *str
, u8
*uuid
);
338 acpi_status
acpi_run_osc(acpi_handle handle
, struct acpi_osc_context
*context
);
340 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
341 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
342 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
343 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
345 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
346 #define OSC_QUERY_ENABLE 0x00000001 /* input */
347 #define OSC_REQUEST_ERROR 0x00000002 /* return */
348 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
349 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
350 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
352 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
353 #define OSC_SB_PAD_SUPPORT 0x00000001
354 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
355 #define OSC_SB_PR3_SUPPORT 0x00000004
356 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
357 #define OSC_SB_APEI_SUPPORT 0x00000010
358 #define OSC_SB_CPC_SUPPORT 0x00000020
360 extern bool osc_sb_apei_support_acked
;
362 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
363 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
364 #define OSC_PCI_ASPM_SUPPORT 0x00000002
365 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
366 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
367 #define OSC_PCI_MSI_SUPPORT 0x00000010
368 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
370 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
371 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
372 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
373 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
374 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
375 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
376 #define OSC_PCI_CONTROL_MASKS 0x0000001f
378 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
379 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
380 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
381 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
382 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
383 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
384 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
385 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
386 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
387 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
389 extern acpi_status
acpi_pci_osc_control_set(acpi_handle handle
,
392 /* Enable _OST when all relevant hotplug operations are enabled */
393 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
394 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
395 defined(CONFIG_ACPI_CONTAINER)
396 #define ACPI_HOTPLUG_OST
399 /* _OST Source Event Code (OSPM Action) */
400 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
401 #define ACPI_OST_EC_OSPM_EJECT 0x103
402 #define ACPI_OST_EC_OSPM_INSERTION 0x200
404 /* _OST General Processing Status Code */
405 #define ACPI_OST_SC_SUCCESS 0x0
406 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
407 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
409 /* _OST OS Shutdown Processing (0x100) Status Code */
410 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
411 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
412 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
413 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
415 /* _OST Ejection Request (0x3, 0x103) Status Code */
416 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
417 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
418 #define ACPI_OST_SC_DEVICE_BUSY 0x82
419 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
420 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
422 /* _OST Insertion Request (0x200) Status Code */
423 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
424 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
425 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
427 extern void acpi_early_init(void);
429 extern int acpi_nvs_register(__u64 start
, __u64 size
);
431 extern int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
434 const struct acpi_device_id
*acpi_match_device(const struct acpi_device_id
*ids
,
435 const struct device
*dev
);
437 extern bool acpi_driver_match_device(struct device
*dev
,
438 const struct device_driver
*drv
);
439 int acpi_device_uevent_modalias(struct device
*, struct kobj_uevent_env
*);
440 int acpi_device_modalias(struct device
*, char *, int);
441 void acpi_walk_dep_device_list(acpi_handle handle
);
443 struct platform_device
*acpi_create_platform_device(struct acpi_device
*);
444 #define ACPI_PTR(_ptr) (_ptr)
446 #else /* !CONFIG_ACPI */
448 #define acpi_disabled 1
450 #define ACPI_COMPANION(dev) (NULL)
451 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
452 #define ACPI_HANDLE(dev) (NULL)
454 struct fwnode_handle
;
456 static inline bool is_acpi_node(struct fwnode_handle
*fwnode
)
461 static inline struct acpi_device
*acpi_node(struct fwnode_handle
*fwnode
)
466 static inline struct fwnode_handle
*acpi_fwnode_handle(struct acpi_device
*adev
)
471 static inline const char *acpi_dev_name(struct acpi_device
*adev
)
476 static inline void acpi_early_init(void) { }
478 static inline int early_acpi_boot_init(void)
482 static inline int acpi_boot_init(void)
487 static inline void acpi_boot_table_init(void)
492 static inline int acpi_mps_check(void)
497 static inline int acpi_check_resource_conflict(struct resource
*res
)
502 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
508 struct acpi_table_header
;
509 static inline int acpi_table_parse(char *id
,
510 int (*handler
)(struct acpi_table_header
*))
515 static inline int acpi_nvs_register(__u64 start
, __u64 size
)
520 static inline int acpi_nvs_for_each_region(int (*func
)(__u64
, __u64
, void *),
526 struct acpi_device_id
;
528 static inline const struct acpi_device_id
*acpi_match_device(
529 const struct acpi_device_id
*ids
, const struct device
*dev
)
534 static inline bool acpi_driver_match_device(struct device
*dev
,
535 const struct device_driver
*drv
)
540 static inline int acpi_device_uevent_modalias(struct device
*dev
,
541 struct kobj_uevent_env
*env
)
546 static inline int acpi_device_modalias(struct device
*dev
,
552 #define ACPI_PTR(_ptr) (NULL)
554 #endif /* !CONFIG_ACPI */
557 void acpi_os_set_prepare_sleep(int (*func
)(u8 sleep_state
,
558 u32 pm1a_ctrl
, u32 pm1b_ctrl
));
560 acpi_status
acpi_os_prepare_sleep(u8 sleep_state
,
561 u32 pm1a_control
, u32 pm1b_control
);
563 void acpi_os_set_prepare_extended_sleep(int (*func
)(u8 sleep_state
,
564 u32 val_a
, u32 val_b
));
566 acpi_status
acpi_os_prepare_extended_sleep(u8 sleep_state
,
567 u32 val_a
, u32 val_b
);
570 void arch_reserve_mem_area(acpi_physical_address addr
, size_t size
);
572 static inline void arch_reserve_mem_area(acpi_physical_address addr
,
576 #endif /* CONFIG_X86 */
578 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
581 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
582 int acpi_dev_runtime_suspend(struct device
*dev
);
583 int acpi_dev_runtime_resume(struct device
*dev
);
584 int acpi_subsys_runtime_suspend(struct device
*dev
);
585 int acpi_subsys_runtime_resume(struct device
*dev
);
586 struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
);
587 int acpi_dev_pm_attach(struct device
*dev
, bool power_on
);
589 static inline int acpi_dev_runtime_suspend(struct device
*dev
) { return 0; }
590 static inline int acpi_dev_runtime_resume(struct device
*dev
) { return 0; }
591 static inline int acpi_subsys_runtime_suspend(struct device
*dev
) { return 0; }
592 static inline int acpi_subsys_runtime_resume(struct device
*dev
) { return 0; }
593 static inline struct acpi_device
*acpi_dev_pm_get_node(struct device
*dev
)
597 static inline int acpi_dev_pm_attach(struct device
*dev
, bool power_on
)
603 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
604 int acpi_dev_suspend_late(struct device
*dev
);
605 int acpi_dev_resume_early(struct device
*dev
);
606 int acpi_subsys_prepare(struct device
*dev
);
607 void acpi_subsys_complete(struct device
*dev
);
608 int acpi_subsys_suspend_late(struct device
*dev
);
609 int acpi_subsys_resume_early(struct device
*dev
);
610 int acpi_subsys_suspend(struct device
*dev
);
611 int acpi_subsys_freeze(struct device
*dev
);
613 static inline int acpi_dev_suspend_late(struct device
*dev
) { return 0; }
614 static inline int acpi_dev_resume_early(struct device
*dev
) { return 0; }
615 static inline int acpi_subsys_prepare(struct device
*dev
) { return 0; }
616 static inline void acpi_subsys_complete(struct device
*dev
) {}
617 static inline int acpi_subsys_suspend_late(struct device
*dev
) { return 0; }
618 static inline int acpi_subsys_resume_early(struct device
*dev
) { return 0; }
619 static inline int acpi_subsys_suspend(struct device
*dev
) { return 0; }
620 static inline int acpi_subsys_freeze(struct device
*dev
) { return 0; }
625 void acpi_handle_printk(const char *level
, acpi_handle handle
,
626 const char *fmt
, ...);
627 #else /* !CONFIG_ACPI */
628 static inline __printf(3, 4) void
629 acpi_handle_printk(const char *level
, void *handle
, const char *fmt
, ...) {}
630 #endif /* !CONFIG_ACPI */
632 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
634 void __acpi_handle_debug(struct _ddebug
*descriptor
, acpi_handle handle
, const char *fmt
, ...);
636 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
637 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
641 * acpi_handle_<level>: Print message with ACPI prefix and object path
643 * These interfaces acquire the global namespace mutex to obtain an object
644 * path. In interrupt context, it shows the object path as <n/a>.
646 #define acpi_handle_emerg(handle, fmt, ...) \
647 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
648 #define acpi_handle_alert(handle, fmt, ...) \
649 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
650 #define acpi_handle_crit(handle, fmt, ...) \
651 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
652 #define acpi_handle_err(handle, fmt, ...) \
653 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
654 #define acpi_handle_warn(handle, fmt, ...) \
655 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
656 #define acpi_handle_notice(handle, fmt, ...) \
657 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
658 #define acpi_handle_info(handle, fmt, ...) \
659 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
662 #define acpi_handle_debug(handle, fmt, ...) \
663 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
665 #if defined(CONFIG_DYNAMIC_DEBUG)
666 #define acpi_handle_debug(handle, fmt, ...) \
668 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
669 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
670 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
674 #define acpi_handle_debug(handle, fmt, ...) \
677 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
683 struct acpi_gpio_params
{
684 unsigned int crs_entry_index
;
685 unsigned int line_index
;
689 struct acpi_gpio_mapping
{
691 const struct acpi_gpio_params
*data
;
695 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
696 int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
697 const struct acpi_gpio_mapping
*gpios
);
699 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
)
702 adev
->driver_gpios
= NULL
;
705 static inline int acpi_dev_add_driver_gpios(struct acpi_device
*adev
,
706 const struct acpi_gpio_mapping
*gpios
)
710 static inline void acpi_dev_remove_driver_gpios(struct acpi_device
*adev
) {}
713 /* Device properties */
715 #define MAX_ACPI_REFERENCE_ARGS 8
716 struct acpi_reference_args
{
717 struct acpi_device
*adev
;
719 u64 args
[MAX_ACPI_REFERENCE_ARGS
];
723 int acpi_dev_get_property(struct acpi_device
*adev
, const char *name
,
724 acpi_object_type type
, const union acpi_object
**obj
);
725 int acpi_dev_get_property_array(struct acpi_device
*adev
, const char *name
,
726 acpi_object_type type
,
727 const union acpi_object
**obj
);
728 int acpi_dev_get_property_reference(struct acpi_device
*adev
,
729 const char *name
, size_t index
,
730 struct acpi_reference_args
*args
);
732 int acpi_dev_prop_get(struct acpi_device
*adev
, const char *propname
,
734 int acpi_dev_prop_read_single(struct acpi_device
*adev
, const char *propname
,
735 enum dev_prop_type proptype
, void *val
);
736 int acpi_dev_prop_read(struct acpi_device
*adev
, const char *propname
,
737 enum dev_prop_type proptype
, void *val
, size_t nval
);
739 struct acpi_device
*acpi_get_next_child(struct device
*dev
,
740 struct acpi_device
*child
);
742 static inline int acpi_dev_get_property(struct acpi_device
*adev
,
743 const char *name
, acpi_object_type type
,
744 const union acpi_object
**obj
)
748 static inline int acpi_dev_get_property_array(struct acpi_device
*adev
,
750 acpi_object_type type
,
751 const union acpi_object
**obj
)
755 static inline int acpi_dev_get_property_reference(struct acpi_device
*adev
,
756 const char *name
, const char *cells_name
,
757 size_t index
, struct acpi_reference_args
*args
)
762 static inline int acpi_dev_prop_get(struct acpi_device
*adev
,
763 const char *propname
,
769 static inline int acpi_dev_prop_read_single(struct acpi_device
*adev
,
770 const char *propname
,
771 enum dev_prop_type proptype
,
777 static inline int acpi_dev_prop_read(struct acpi_device
*adev
,
778 const char *propname
,
779 enum dev_prop_type proptype
,
780 void *val
, size_t nval
)
785 static inline struct acpi_device
*acpi_get_next_child(struct device
*dev
,
786 struct acpi_device
*child
)
793 #endif /*_LINUX_ACPI_H*/