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>
41 #include <acpi/acpi_bus.h>
42 #include <acpi/acpi_drivers.h>
43 #include <acpi/acpi_numa.h>
44 #include <acpi/acpi_io.h>
47 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
49 return adev ? adev->handle : NULL;
52 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
53 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
54 acpi_fwnode_handle(adev) : NULL)
55 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
58 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
59 * the PCI-defined class-code information
61 * @_cls : the class, subclass, prog-if triple for this device
62 * @_msk : the class mask for this device
64 * This macro is used to create a struct acpi_device_id that matches a
65 * specific PCI class. The .id and .driver_data fields will be left
66 * initialized with the default value.
68 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
70 static inline bool has_acpi_companion(struct device *dev)
72 return is_acpi_device_node(dev->fwnode);
75 static inline void acpi_preset_companion(struct device *dev,
76 struct acpi_device *parent, u64 addr)
78 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
81 static inline const char *acpi_dev_name(struct acpi_device *adev)
83 return dev_name(&adev->dev);
86 enum acpi_irq_model_id {
87 ACPI_IRQ_MODEL_PIC = 0,
88 ACPI_IRQ_MODEL_IOAPIC,
89 ACPI_IRQ_MODEL_IOSAPIC,
90 ACPI_IRQ_MODEL_PLATFORM,
95 extern enum acpi_irq_model_id acpi_irq_model;
97 enum acpi_interrupt_id {
98 ACPI_INTERRUPT_PMI = 1,
104 #define ACPI_SPACE_MEM 0
106 enum acpi_address_range_id {
107 ACPI_ADDRESS_RANGE_MEMORY = 1,
108 ACPI_ADDRESS_RANGE_RESERVED = 2,
109 ACPI_ADDRESS_RANGE_ACPI = 3,
110 ACPI_ADDRESS_RANGE_NVS = 4,
111 ACPI_ADDRESS_RANGE_COUNT
117 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
119 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
120 const unsigned long end);
122 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
123 void acpi_initrd_override(void *data, size_t size);
125 static inline void acpi_initrd_override(void *data, size_t size)
130 #define BAD_MADT_ENTRY(entry, end) ( \
131 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
132 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
134 struct acpi_subtable_proc {
136 acpi_tbl_entry_handler handler;
140 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
141 void __acpi_unmap_table(char *map, unsigned long size);
142 int early_acpi_boot_init(void);
143 int acpi_boot_init (void);
144 void acpi_boot_table_init (void);
145 int acpi_mps_check (void);
146 int acpi_numa_init (void);
148 int acpi_table_init (void);
149 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
150 int __init acpi_parse_entries(char *id, unsigned long table_size,
151 acpi_tbl_entry_handler handler,
152 struct acpi_table_header *table_header,
153 int entry_id, unsigned int max_entries);
154 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
156 acpi_tbl_entry_handler handler,
157 unsigned int max_entries);
158 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
160 acpi_tbl_entry_handler handler,
161 unsigned int max_entries);
162 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
163 struct acpi_subtable_proc *proc, int proc_num,
164 unsigned int max_entries);
165 int acpi_table_parse_madt(enum acpi_madt_type id,
166 acpi_tbl_entry_handler handler,
167 unsigned int max_entries);
168 int acpi_parse_mcfg (struct acpi_table_header *header);
169 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
171 /* the following four functions are architecture-dependent */
172 void acpi_numa_slit_init (struct acpi_table_slit *slit);
173 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
174 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
175 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
176 void acpi_numa_arch_fixup(void);
178 #ifndef PHYS_CPUID_INVALID
179 typedef u32 phys_cpuid_t;
180 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
183 static inline bool invalid_logical_cpuid(u32 cpuid)
185 return (int)cpuid < 0;
188 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
190 return phys_id == PHYS_CPUID_INVALID;
193 #ifdef CONFIG_ACPI_HOTPLUG_CPU
194 /* Arch dependent functions for cpu hotplug support */
195 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
196 int acpi_unmap_cpu(int cpu);
197 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
199 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
200 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
203 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
204 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
205 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
206 void acpi_irq_stats_init(void);
207 extern u32 acpi_irq_handled;
208 extern u32 acpi_irq_not_handled;
211 extern unsigned long acpi_realmode_flags;
213 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
214 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
215 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
217 #ifdef CONFIG_X86_IO_APIC
218 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
220 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
223 * This function undoes the effect of one call to acpi_register_gsi().
224 * If this matches the last registration, any IRQ resources for gsi
227 void acpi_unregister_gsi (u32 gsi);
231 int acpi_pci_irq_enable (struct pci_dev *dev);
232 void acpi_penalize_isa_irq(int irq, int active);
233 bool acpi_isa_irq_available(int irq);
234 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
235 void acpi_pci_irq_disable (struct pci_dev *dev);
237 extern int ec_read(u8 addr, u8 *val);
238 extern int ec_write(u8 addr, u8 val);
239 extern int ec_transaction(u8 command,
240 const u8 *wdata, unsigned wdata_len,
241 u8 *rdata, unsigned rdata_len);
242 extern acpi_handle ec_get_handle(void);
244 extern bool acpi_is_pnp_device(struct acpi_device *);
246 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
248 typedef void (*wmi_notify_handler) (u32 value, void *context);
250 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
252 const struct acpi_buffer *in,
253 struct acpi_buffer *out);
254 extern acpi_status wmi_query_block(const char *guid, u8 instance,
255 struct acpi_buffer *out);
256 extern acpi_status wmi_set_block(const char *guid, u8 instance,
257 const struct acpi_buffer *in);
258 extern acpi_status wmi_install_notify_handler(const char *guid,
259 wmi_notify_handler handler, void *data);
260 extern acpi_status wmi_remove_notify_handler(const char *guid);
261 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
262 extern bool wmi_has_guid(const char *guid);
264 #endif /* CONFIG_ACPI_WMI */
266 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
267 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
268 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
269 #define ACPI_VIDEO_BACKLIGHT 0x0008
270 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
271 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
272 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
273 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
274 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
275 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
276 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
277 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
279 extern char acpi_video_backlight_string[];
280 extern long acpi_is_video_device(acpi_handle handle);
281 extern int acpi_blacklisted(void);
282 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
283 extern void acpi_osi_setup(char *str);
284 extern bool acpi_osi_is_win8(void);
286 #ifdef CONFIG_ACPI_NUMA
287 int acpi_map_pxm_to_online_node(int pxm);
288 int acpi_get_node(acpi_handle handle);
290 static inline int acpi_map_pxm_to_online_node(int pxm)
294 static inline int acpi_get_node(acpi_handle handle)
299 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
301 extern int pnpacpi_disabled;
303 #define PXM_INVAL (-1)
305 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
306 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
307 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
308 struct resource_win *win);
309 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
310 struct resource_win *win);
311 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
312 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
313 struct resource *res);
315 void acpi_dev_free_resource_list(struct list_head *list);
316 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
317 int (*preproc)(struct acpi_resource *, void *),
319 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
320 unsigned long types);
322 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
325 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
328 int acpi_check_resource_conflict(const struct resource *res);
330 int acpi_check_region(resource_size_t start, resource_size_t n,
333 int acpi_resources_are_enforced(void);
335 #ifdef CONFIG_HIBERNATION
336 void __init acpi_no_s4_hw_signature(void);
339 #ifdef CONFIG_PM_SLEEP
340 void __init acpi_old_suspend_ordering(void);
341 void __init acpi_nvs_nosave(void);
342 void __init acpi_nvs_nosave_s3(void);
343 #endif /* CONFIG_PM_SLEEP */
345 struct acpi_osc_context {
346 char *uuid_str; /* UUID string */
348 struct acpi_buffer cap; /* list of DWORD capabilities */
349 struct acpi_buffer ret; /* free by caller if success */
352 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
353 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
355 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
356 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
357 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
358 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
360 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
361 #define OSC_QUERY_ENABLE 0x00000001 /* input */
362 #define OSC_REQUEST_ERROR 0x00000002 /* return */
363 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
364 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
365 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
367 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
368 #define OSC_SB_PAD_SUPPORT 0x00000001
369 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
370 #define OSC_SB_PR3_SUPPORT 0x00000004
371 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
372 #define OSC_SB_APEI_SUPPORT 0x00000010
373 #define OSC_SB_CPC_SUPPORT 0x00000020
375 extern bool osc_sb_apei_support_acked;
377 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
378 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
379 #define OSC_PCI_ASPM_SUPPORT 0x00000002
380 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
381 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
382 #define OSC_PCI_MSI_SUPPORT 0x00000010
383 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
385 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
386 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
387 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
388 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
389 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
390 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
391 #define OSC_PCI_CONTROL_MASKS 0x0000001f
393 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
394 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
395 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
396 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
397 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
398 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
399 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
400 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
401 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
402 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
404 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
407 /* Enable _OST when all relevant hotplug operations are enabled */
408 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
409 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
410 defined(CONFIG_ACPI_CONTAINER)
411 #define ACPI_HOTPLUG_OST
414 /* _OST Source Event Code (OSPM Action) */
415 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
416 #define ACPI_OST_EC_OSPM_EJECT 0x103
417 #define ACPI_OST_EC_OSPM_INSERTION 0x200
419 /* _OST General Processing Status Code */
420 #define ACPI_OST_SC_SUCCESS 0x0
421 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
422 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
424 /* _OST OS Shutdown Processing (0x100) Status Code */
425 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
426 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
427 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
428 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
430 /* _OST Ejection Request (0x3, 0x103) Status Code */
431 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
432 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
433 #define ACPI_OST_SC_DEVICE_BUSY 0x82
434 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
435 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
437 /* _OST Insertion Request (0x200) Status Code */
438 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
439 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
440 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
442 extern void acpi_early_init(void);
443 extern void acpi_subsystem_init(void);
445 extern int acpi_nvs_register(__u64 start, __u64 size);
447 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
450 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
451 const struct device *dev);
453 extern bool acpi_driver_match_device(struct device *dev,
454 const struct device_driver *drv);
455 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
456 int acpi_device_modalias(struct device *, char *, int);
457 void acpi_walk_dep_device_list(acpi_handle handle);
459 struct platform_device *acpi_create_platform_device(struct acpi_device *);
460 #define ACPI_PTR(_ptr) (_ptr)
462 #else /* !CONFIG_ACPI */
464 #define acpi_disabled 1
466 #define ACPI_COMPANION(dev) (NULL)
467 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
468 #define ACPI_HANDLE(dev) (NULL)
469 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
471 struct fwnode_handle;
473 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
478 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
483 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
488 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
493 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
498 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
503 static inline bool has_acpi_companion(struct device *dev)
508 static inline const char *acpi_dev_name(struct acpi_device *adev)
513 static inline void acpi_early_init(void) { }
514 static inline void acpi_subsystem_init(void) { }
516 static inline int early_acpi_boot_init(void)
520 static inline int acpi_boot_init(void)
525 static inline void acpi_boot_table_init(void)
530 static inline int acpi_mps_check(void)
535 static inline int acpi_check_resource_conflict(struct resource *res)
540 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
546 struct acpi_table_header;
547 static inline int acpi_table_parse(char *id,
548 int (*handler)(struct acpi_table_header *))
553 static inline int acpi_nvs_register(__u64 start, __u64 size)
558 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
564 struct acpi_device_id;
566 static inline const struct acpi_device_id *acpi_match_device(
567 const struct acpi_device_id *ids, const struct device *dev)
572 static inline bool acpi_driver_match_device(struct device *dev,
573 const struct device_driver *drv)
578 static inline int acpi_device_uevent_modalias(struct device *dev,
579 struct kobj_uevent_env *env)
584 static inline int acpi_device_modalias(struct device *dev,
590 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
595 #define ACPI_PTR(_ptr) (NULL)
597 #endif /* !CONFIG_ACPI */
600 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
601 u32 pm1a_ctrl, u32 pm1b_ctrl));
603 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
604 u32 pm1a_control, u32 pm1b_control);
606 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
607 u32 val_a, u32 val_b));
609 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
610 u32 val_a, u32 val_b);
613 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
615 static inline void arch_reserve_mem_area(acpi_physical_address addr,
619 #endif /* CONFIG_X86 */
621 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
624 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
625 int acpi_dev_runtime_suspend(struct device *dev);
626 int acpi_dev_runtime_resume(struct device *dev);
627 int acpi_subsys_runtime_suspend(struct device *dev);
628 int acpi_subsys_runtime_resume(struct device *dev);
629 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
630 int acpi_dev_pm_attach(struct device *dev, bool power_on);
632 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
633 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
634 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
635 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
636 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
640 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
646 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
647 int acpi_dev_suspend_late(struct device *dev);
648 int acpi_dev_resume_early(struct device *dev);
649 int acpi_subsys_prepare(struct device *dev);
650 void acpi_subsys_complete(struct device *dev);
651 int acpi_subsys_suspend_late(struct device *dev);
652 int acpi_subsys_resume_early(struct device *dev);
653 int acpi_subsys_suspend(struct device *dev);
654 int acpi_subsys_freeze(struct device *dev);
656 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
657 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
658 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
659 static inline void acpi_subsys_complete(struct device *dev) {}
660 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
661 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
662 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
663 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
668 void acpi_handle_printk(const char *level, acpi_handle handle,
669 const char *fmt, ...);
670 #else /* !CONFIG_ACPI */
671 static inline __printf(3, 4) void
672 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
673 #endif /* !CONFIG_ACPI */
675 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
677 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
679 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
680 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
684 * acpi_handle_<level>: Print message with ACPI prefix and object path
686 * These interfaces acquire the global namespace mutex to obtain an object
687 * path. In interrupt context, it shows the object path as <n/a>.
689 #define acpi_handle_emerg(handle, fmt, ...) \
690 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
691 #define acpi_handle_alert(handle, fmt, ...) \
692 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
693 #define acpi_handle_crit(handle, fmt, ...) \
694 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
695 #define acpi_handle_err(handle, fmt, ...) \
696 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
697 #define acpi_handle_warn(handle, fmt, ...) \
698 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
699 #define acpi_handle_notice(handle, fmt, ...) \
700 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
701 #define acpi_handle_info(handle, fmt, ...) \
702 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
705 #define acpi_handle_debug(handle, fmt, ...) \
706 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
708 #if defined(CONFIG_DYNAMIC_DEBUG)
709 #define acpi_handle_debug(handle, fmt, ...) \
711 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
712 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
713 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
717 #define acpi_handle_debug(handle, fmt, ...) \
720 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
726 struct acpi_gpio_params {
727 unsigned int crs_entry_index;
728 unsigned int line_index;
732 struct acpi_gpio_mapping {
734 const struct acpi_gpio_params *data;
738 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
739 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
740 const struct acpi_gpio_mapping *gpios);
742 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
745 adev->driver_gpios = NULL;
748 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
750 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
751 const struct acpi_gpio_mapping *gpios)
755 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
757 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
763 /* Device properties */
765 #define MAX_ACPI_REFERENCE_ARGS 8
766 struct acpi_reference_args {
767 struct acpi_device *adev;
769 u64 args[MAX_ACPI_REFERENCE_ARGS];
773 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
774 acpi_object_type type, const union acpi_object **obj);
775 int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
776 const char *name, size_t index,
777 struct acpi_reference_args *args);
779 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
781 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
782 enum dev_prop_type proptype, void *val);
783 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
784 enum dev_prop_type proptype, void *val, size_t nval);
785 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
786 enum dev_prop_type proptype, void *val, size_t nval);
788 struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
789 struct fwnode_handle *subnode);
791 static inline int acpi_dev_get_property(struct acpi_device *adev,
792 const char *name, acpi_object_type type,
793 const union acpi_object **obj)
798 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
799 const char *name, const char *cells_name,
800 size_t index, struct acpi_reference_args *args)
805 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
806 const char *propname,
812 static inline int acpi_dev_prop_get(struct acpi_device *adev,
813 const char *propname,
819 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
820 const char *propname,
821 enum dev_prop_type proptype,
827 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
828 const char *propname,
829 enum dev_prop_type proptype,
830 void *val, size_t nval)
835 static inline int acpi_dev_prop_read(struct acpi_device *adev,
836 const char *propname,
837 enum dev_prop_type proptype,
838 void *val, size_t nval)
843 static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
844 struct fwnode_handle *subnode)
850 #endif /*_LINUX_ACPI_H*/