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/resource_ext.h>
31 #include <linux/device.h>
32 #include <linux/property.h>
37 #include <acpi/acpi.h>
41 #include <linux/list.h>
42 #include <linux/mod_devicetable.h>
43 #include <linux/dynamic_debug.h>
45 #include <acpi/acpi_bus.h>
46 #include <acpi/acpi_drivers.h>
47 #include <acpi/acpi_numa.h>
48 #include <acpi/acpi_io.h>
51 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53 return adev ? adev->handle : NULL;
56 #define ACPI_COMPANION(dev) to_acpi_node((dev)->fwnode)
57 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
58 acpi_fwnode_handle(adev) : NULL)
59 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
62 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
63 * the PCI-defined class-code information
65 * @_cls : the class, subclass, prog-if triple for this device
66 * @_msk : the class mask for this device
68 * This macro is used to create a struct acpi_device_id that matches a
69 * specific PCI class. The .id and .driver_data fields will be left
70 * initialized with the default value.
72 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
74 static inline bool has_acpi_companion(struct device *dev)
76 return is_acpi_node(dev->fwnode);
79 static inline void acpi_preset_companion(struct device *dev,
80 struct acpi_device *parent, u64 addr)
82 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
85 static inline const char *acpi_dev_name(struct acpi_device *adev)
87 return dev_name(&adev->dev);
90 enum acpi_irq_model_id {
91 ACPI_IRQ_MODEL_PIC = 0,
92 ACPI_IRQ_MODEL_IOAPIC,
93 ACPI_IRQ_MODEL_IOSAPIC,
94 ACPI_IRQ_MODEL_PLATFORM,
99 extern enum acpi_irq_model_id acpi_irq_model;
101 enum acpi_interrupt_id {
102 ACPI_INTERRUPT_PMI = 1,
108 #define ACPI_SPACE_MEM 0
110 enum acpi_address_range_id {
111 ACPI_ADDRESS_RANGE_MEMORY = 1,
112 ACPI_ADDRESS_RANGE_RESERVED = 2,
113 ACPI_ADDRESS_RANGE_ACPI = 3,
114 ACPI_ADDRESS_RANGE_NVS = 4,
115 ACPI_ADDRESS_RANGE_COUNT
121 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
123 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
124 const unsigned long end);
126 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
127 void acpi_initrd_override(void *data, size_t size);
129 static inline void acpi_initrd_override(void *data, size_t size)
134 #define BAD_MADT_ENTRY(entry, end) ( \
135 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
136 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
138 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
139 void __acpi_unmap_table(char *map, unsigned long size);
140 int early_acpi_boot_init(void);
141 int acpi_boot_init (void);
142 void acpi_boot_table_init (void);
143 int acpi_mps_check (void);
144 int acpi_numa_init (void);
146 int acpi_table_init (void);
147 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
148 int __init acpi_parse_entries(char *id, unsigned long table_size,
149 acpi_tbl_entry_handler handler,
150 struct acpi_table_header *table_header,
151 int entry_id, unsigned int max_entries);
152 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
154 acpi_tbl_entry_handler handler,
155 unsigned int max_entries);
156 int acpi_table_parse_madt(enum acpi_madt_type id,
157 acpi_tbl_entry_handler handler,
158 unsigned int max_entries);
159 int acpi_parse_mcfg (struct acpi_table_header *header);
160 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
162 /* the following four functions are architecture-dependent */
163 void acpi_numa_slit_init (struct acpi_table_slit *slit);
164 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
165 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
166 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
167 void acpi_numa_arch_fixup(void);
169 #ifndef PHYS_CPUID_INVALID
170 typedef u32 phys_cpuid_t;
171 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
174 static inline bool invalid_logical_cpuid(u32 cpuid)
176 return (int)cpuid < 0;
179 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
181 return phys_id == PHYS_CPUID_INVALID;
184 #ifdef CONFIG_ACPI_HOTPLUG_CPU
185 /* Arch dependent functions for cpu hotplug support */
186 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
187 int acpi_unmap_cpu(int cpu);
188 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
190 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
191 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
194 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
195 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
196 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
197 void acpi_irq_stats_init(void);
198 extern u32 acpi_irq_handled;
199 extern u32 acpi_irq_not_handled;
202 extern unsigned long acpi_realmode_flags;
204 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
205 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
206 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
208 #ifdef CONFIG_X86_IO_APIC
209 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
211 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
214 * This function undoes the effect of one call to acpi_register_gsi().
215 * If this matches the last registration, any IRQ resources for gsi
218 void acpi_unregister_gsi (u32 gsi);
222 int acpi_pci_irq_enable (struct pci_dev *dev);
223 void acpi_penalize_isa_irq(int irq, int active);
225 void acpi_pci_irq_disable (struct pci_dev *dev);
227 extern int ec_read(u8 addr, u8 *val);
228 extern int ec_write(u8 addr, u8 val);
229 extern int ec_transaction(u8 command,
230 const u8 *wdata, unsigned wdata_len,
231 u8 *rdata, unsigned rdata_len);
232 extern acpi_handle ec_get_handle(void);
234 extern bool acpi_is_pnp_device(struct acpi_device *);
236 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
238 typedef void (*wmi_notify_handler) (u32 value, void *context);
240 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
242 const struct acpi_buffer *in,
243 struct acpi_buffer *out);
244 extern acpi_status wmi_query_block(const char *guid, u8 instance,
245 struct acpi_buffer *out);
246 extern acpi_status wmi_set_block(const char *guid, u8 instance,
247 const struct acpi_buffer *in);
248 extern acpi_status wmi_install_notify_handler(const char *guid,
249 wmi_notify_handler handler, void *data);
250 extern acpi_status wmi_remove_notify_handler(const char *guid);
251 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
252 extern bool wmi_has_guid(const char *guid);
254 #endif /* CONFIG_ACPI_WMI */
256 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
257 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
258 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
259 #define ACPI_VIDEO_BACKLIGHT 0x0008
260 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
261 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
262 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
263 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
264 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
265 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
266 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
267 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
269 extern char acpi_video_backlight_string[];
270 extern long acpi_is_video_device(acpi_handle handle);
271 extern int acpi_blacklisted(void);
272 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
273 extern void acpi_osi_setup(char *str);
274 extern bool acpi_osi_is_win8(void);
276 #ifdef CONFIG_ACPI_NUMA
277 int acpi_map_pxm_to_online_node(int pxm);
278 int acpi_get_node(acpi_handle handle);
280 static inline int acpi_map_pxm_to_online_node(int pxm)
284 static inline int acpi_get_node(acpi_handle handle)
289 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
291 extern int pnpacpi_disabled;
293 #define PXM_INVAL (-1)
295 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
296 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
297 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
298 struct resource_win *win);
299 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
300 struct resource_win *win);
301 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
302 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
303 struct resource *res);
305 void acpi_dev_free_resource_list(struct list_head *list);
306 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
307 int (*preproc)(struct acpi_resource *, void *),
309 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
310 unsigned long types);
312 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
315 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
318 int acpi_check_resource_conflict(const struct resource *res);
320 int acpi_check_region(resource_size_t start, resource_size_t n,
323 int acpi_resources_are_enforced(void);
325 int acpi_reserve_region(u64 start, unsigned int length, u8 space_id,
326 unsigned long flags, char *desc);
328 #ifdef CONFIG_HIBERNATION
329 void __init acpi_no_s4_hw_signature(void);
332 #ifdef CONFIG_PM_SLEEP
333 void __init acpi_old_suspend_ordering(void);
334 void __init acpi_nvs_nosave(void);
335 void __init acpi_nvs_nosave_s3(void);
336 #endif /* CONFIG_PM_SLEEP */
338 struct acpi_osc_context {
339 char *uuid_str; /* UUID string */
341 struct acpi_buffer cap; /* list of DWORD capabilities */
342 struct acpi_buffer ret; /* free by caller if success */
345 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
346 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
348 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
349 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
350 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
351 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
353 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
354 #define OSC_QUERY_ENABLE 0x00000001 /* input */
355 #define OSC_REQUEST_ERROR 0x00000002 /* return */
356 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
357 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
358 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
360 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
361 #define OSC_SB_PAD_SUPPORT 0x00000001
362 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
363 #define OSC_SB_PR3_SUPPORT 0x00000004
364 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
365 #define OSC_SB_APEI_SUPPORT 0x00000010
366 #define OSC_SB_CPC_SUPPORT 0x00000020
368 extern bool osc_sb_apei_support_acked;
370 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
371 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
372 #define OSC_PCI_ASPM_SUPPORT 0x00000002
373 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
374 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
375 #define OSC_PCI_MSI_SUPPORT 0x00000010
376 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
378 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
379 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
380 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
381 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
382 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
383 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
384 #define OSC_PCI_CONTROL_MASKS 0x0000001f
386 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
387 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
388 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
389 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
390 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
391 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
392 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
393 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
394 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
395 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
397 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
400 /* Enable _OST when all relevant hotplug operations are enabled */
401 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
402 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
403 defined(CONFIG_ACPI_CONTAINER)
404 #define ACPI_HOTPLUG_OST
407 /* _OST Source Event Code (OSPM Action) */
408 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
409 #define ACPI_OST_EC_OSPM_EJECT 0x103
410 #define ACPI_OST_EC_OSPM_INSERTION 0x200
412 /* _OST General Processing Status Code */
413 #define ACPI_OST_SC_SUCCESS 0x0
414 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
415 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
417 /* _OST OS Shutdown Processing (0x100) Status Code */
418 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
419 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
420 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
421 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
423 /* _OST Ejection Request (0x3, 0x103) Status Code */
424 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
425 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
426 #define ACPI_OST_SC_DEVICE_BUSY 0x82
427 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
428 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
430 /* _OST Insertion Request (0x200) Status Code */
431 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
432 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
433 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
435 extern void acpi_early_init(void);
436 extern void acpi_subsystem_init(void);
438 extern int acpi_nvs_register(__u64 start, __u64 size);
440 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
443 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
444 const struct device *dev);
446 extern bool acpi_driver_match_device(struct device *dev,
447 const struct device_driver *drv);
448 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
449 int acpi_device_modalias(struct device *, char *, int);
450 void acpi_walk_dep_device_list(acpi_handle handle);
452 struct platform_device *acpi_create_platform_device(struct acpi_device *);
453 #define ACPI_PTR(_ptr) (_ptr)
455 #else /* !CONFIG_ACPI */
457 #define acpi_disabled 1
459 #define ACPI_COMPANION(dev) (NULL)
460 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
461 #define ACPI_HANDLE(dev) (NULL)
462 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
464 struct fwnode_handle;
466 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
471 static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
476 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
481 static inline bool has_acpi_companion(struct device *dev)
486 static inline const char *acpi_dev_name(struct acpi_device *adev)
491 static inline void acpi_early_init(void) { }
492 static inline void acpi_subsystem_init(void) { }
494 static inline int early_acpi_boot_init(void)
498 static inline int acpi_boot_init(void)
503 static inline void acpi_boot_table_init(void)
508 static inline int acpi_mps_check(void)
513 static inline int acpi_check_resource_conflict(struct resource *res)
518 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
524 static inline int acpi_reserve_region(u64 start, unsigned int length,
525 u8 space_id, unsigned long flags,
531 struct acpi_table_header;
532 static inline int acpi_table_parse(char *id,
533 int (*handler)(struct acpi_table_header *))
538 static inline int acpi_nvs_register(__u64 start, __u64 size)
543 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
549 struct acpi_device_id;
551 static inline const struct acpi_device_id *acpi_match_device(
552 const struct acpi_device_id *ids, const struct device *dev)
557 static inline bool acpi_driver_match_device(struct device *dev,
558 const struct device_driver *drv)
563 static inline int acpi_device_uevent_modalias(struct device *dev,
564 struct kobj_uevent_env *env)
569 static inline int acpi_device_modalias(struct device *dev,
575 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
580 #define ACPI_PTR(_ptr) (NULL)
582 #endif /* !CONFIG_ACPI */
585 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
586 u32 pm1a_ctrl, u32 pm1b_ctrl));
588 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
589 u32 pm1a_control, u32 pm1b_control);
591 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
592 u32 val_a, u32 val_b));
594 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
595 u32 val_a, u32 val_b);
598 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
600 static inline void arch_reserve_mem_area(acpi_physical_address addr,
604 #endif /* CONFIG_X86 */
606 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
609 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
610 int acpi_dev_runtime_suspend(struct device *dev);
611 int acpi_dev_runtime_resume(struct device *dev);
612 int acpi_subsys_runtime_suspend(struct device *dev);
613 int acpi_subsys_runtime_resume(struct device *dev);
614 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
615 int acpi_dev_pm_attach(struct device *dev, bool power_on);
617 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
618 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
619 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
620 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
621 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
625 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
631 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
632 int acpi_dev_suspend_late(struct device *dev);
633 int acpi_dev_resume_early(struct device *dev);
634 int acpi_subsys_prepare(struct device *dev);
635 void acpi_subsys_complete(struct device *dev);
636 int acpi_subsys_suspend_late(struct device *dev);
637 int acpi_subsys_resume_early(struct device *dev);
638 int acpi_subsys_suspend(struct device *dev);
639 int acpi_subsys_freeze(struct device *dev);
641 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
642 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
643 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
644 static inline void acpi_subsys_complete(struct device *dev) {}
645 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
646 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
647 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
648 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
653 void acpi_handle_printk(const char *level, acpi_handle handle,
654 const char *fmt, ...);
655 #else /* !CONFIG_ACPI */
656 static inline __printf(3, 4) void
657 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
658 #endif /* !CONFIG_ACPI */
660 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
662 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
664 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
665 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
669 * acpi_handle_<level>: Print message with ACPI prefix and object path
671 * These interfaces acquire the global namespace mutex to obtain an object
672 * path. In interrupt context, it shows the object path as <n/a>.
674 #define acpi_handle_emerg(handle, fmt, ...) \
675 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
676 #define acpi_handle_alert(handle, fmt, ...) \
677 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
678 #define acpi_handle_crit(handle, fmt, ...) \
679 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
680 #define acpi_handle_err(handle, fmt, ...) \
681 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
682 #define acpi_handle_warn(handle, fmt, ...) \
683 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
684 #define acpi_handle_notice(handle, fmt, ...) \
685 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
686 #define acpi_handle_info(handle, fmt, ...) \
687 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
690 #define acpi_handle_debug(handle, fmt, ...) \
691 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
693 #if defined(CONFIG_DYNAMIC_DEBUG)
694 #define acpi_handle_debug(handle, fmt, ...) \
696 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
697 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
698 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
702 #define acpi_handle_debug(handle, fmt, ...) \
705 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
711 struct acpi_gpio_params {
712 unsigned int crs_entry_index;
713 unsigned int line_index;
717 struct acpi_gpio_mapping {
719 const struct acpi_gpio_params *data;
723 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
724 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
725 const struct acpi_gpio_mapping *gpios);
727 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
730 adev->driver_gpios = NULL;
733 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
735 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
736 const struct acpi_gpio_mapping *gpios)
740 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
742 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
748 /* Device properties */
750 #define MAX_ACPI_REFERENCE_ARGS 8
751 struct acpi_reference_args {
752 struct acpi_device *adev;
754 u64 args[MAX_ACPI_REFERENCE_ARGS];
758 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
759 acpi_object_type type, const union acpi_object **obj);
760 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
761 acpi_object_type type,
762 const union acpi_object **obj);
763 int acpi_dev_get_property_reference(struct acpi_device *adev,
764 const char *name, size_t index,
765 struct acpi_reference_args *args);
767 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
769 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
770 enum dev_prop_type proptype, void *val);
771 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
772 enum dev_prop_type proptype, void *val, size_t nval);
774 struct acpi_device *acpi_get_next_child(struct device *dev,
775 struct acpi_device *child);
777 static inline int acpi_dev_get_property(struct acpi_device *adev,
778 const char *name, acpi_object_type type,
779 const union acpi_object **obj)
783 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
785 acpi_object_type type,
786 const union acpi_object **obj)
790 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
791 const char *name, const char *cells_name,
792 size_t index, struct acpi_reference_args *args)
797 static inline int acpi_dev_prop_get(struct acpi_device *adev,
798 const char *propname,
804 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
805 const char *propname,
806 enum dev_prop_type proptype,
812 static inline int acpi_dev_prop_read(struct acpi_device *adev,
813 const char *propname,
814 enum dev_prop_type proptype,
815 void *val, size_t nval)
820 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
821 struct acpi_device *child)
828 #endif /*_LINUX_ACPI_H*/