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))
61 static inline bool has_acpi_companion(struct device *dev)
63 return is_acpi_node(dev->fwnode);
66 static inline void acpi_preset_companion(struct device *dev,
67 struct acpi_device *parent, u64 addr)
69 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
72 static inline const char *acpi_dev_name(struct acpi_device *adev)
74 return dev_name(&adev->dev);
77 enum acpi_irq_model_id {
78 ACPI_IRQ_MODEL_PIC = 0,
79 ACPI_IRQ_MODEL_IOAPIC,
80 ACPI_IRQ_MODEL_IOSAPIC,
81 ACPI_IRQ_MODEL_PLATFORM,
86 extern enum acpi_irq_model_id acpi_irq_model;
88 enum acpi_interrupt_id {
89 ACPI_INTERRUPT_PMI = 1,
95 #define ACPI_SPACE_MEM 0
97 enum acpi_address_range_id {
98 ACPI_ADDRESS_RANGE_MEMORY = 1,
99 ACPI_ADDRESS_RANGE_RESERVED = 2,
100 ACPI_ADDRESS_RANGE_ACPI = 3,
101 ACPI_ADDRESS_RANGE_NVS = 4,
102 ACPI_ADDRESS_RANGE_COUNT
108 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
110 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
111 const unsigned long end);
113 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
114 void acpi_initrd_override(void *data, size_t size);
116 static inline void acpi_initrd_override(void *data, size_t size)
121 #define BAD_MADT_ENTRY(entry, end) ( \
122 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
123 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
125 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
126 void __acpi_unmap_table(char *map, unsigned long size);
127 int early_acpi_boot_init(void);
128 int acpi_boot_init (void);
129 void acpi_boot_table_init (void);
130 int acpi_mps_check (void);
131 int acpi_numa_init (void);
133 int acpi_table_init (void);
134 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
135 int __init acpi_parse_entries(char *id, unsigned long table_size,
136 acpi_tbl_entry_handler handler,
137 struct acpi_table_header *table_header,
138 int entry_id, unsigned int max_entries);
139 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
141 acpi_tbl_entry_handler handler,
142 unsigned int max_entries);
143 int acpi_table_parse_madt(enum acpi_madt_type id,
144 acpi_tbl_entry_handler handler,
145 unsigned int max_entries);
146 int acpi_parse_mcfg (struct acpi_table_header *header);
147 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
149 /* the following four functions are architecture-dependent */
150 void acpi_numa_slit_init (struct acpi_table_slit *slit);
151 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
152 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
153 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
154 void acpi_numa_arch_fixup(void);
156 #ifndef PHYS_CPUID_INVALID
157 typedef u32 phys_cpuid_t;
158 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
161 static inline bool invalid_logical_cpuid(u32 cpuid)
163 return (int)cpuid < 0;
166 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
168 return phys_id == PHYS_CPUID_INVALID;
171 #ifdef CONFIG_ACPI_HOTPLUG_CPU
172 /* Arch dependent functions for cpu hotplug support */
173 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
174 int acpi_unmap_cpu(int cpu);
175 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
177 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
178 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
181 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
182 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
183 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
184 void acpi_irq_stats_init(void);
185 extern u32 acpi_irq_handled;
186 extern u32 acpi_irq_not_handled;
189 extern unsigned long acpi_realmode_flags;
191 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
192 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
193 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
195 #ifdef CONFIG_X86_IO_APIC
196 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
198 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
201 * This function undoes the effect of one call to acpi_register_gsi().
202 * If this matches the last registration, any IRQ resources for gsi
205 void acpi_unregister_gsi (u32 gsi);
209 int acpi_pci_irq_enable (struct pci_dev *dev);
210 void acpi_penalize_isa_irq(int irq, int active);
212 void acpi_pci_irq_disable (struct pci_dev *dev);
214 extern int ec_read(u8 addr, u8 *val);
215 extern int ec_write(u8 addr, u8 val);
216 extern int ec_transaction(u8 command,
217 const u8 *wdata, unsigned wdata_len,
218 u8 *rdata, unsigned rdata_len);
219 extern acpi_handle ec_get_handle(void);
221 extern bool acpi_is_pnp_device(struct acpi_device *);
223 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
225 typedef void (*wmi_notify_handler) (u32 value, void *context);
227 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
229 const struct acpi_buffer *in,
230 struct acpi_buffer *out);
231 extern acpi_status wmi_query_block(const char *guid, u8 instance,
232 struct acpi_buffer *out);
233 extern acpi_status wmi_set_block(const char *guid, u8 instance,
234 const struct acpi_buffer *in);
235 extern acpi_status wmi_install_notify_handler(const char *guid,
236 wmi_notify_handler handler, void *data);
237 extern acpi_status wmi_remove_notify_handler(const char *guid);
238 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
239 extern bool wmi_has_guid(const char *guid);
241 #endif /* CONFIG_ACPI_WMI */
243 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
244 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
245 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
246 #define ACPI_VIDEO_BACKLIGHT 0x0008
247 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
248 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
249 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
250 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
251 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
252 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
253 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
254 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
256 extern char acpi_video_backlight_string[];
257 extern long acpi_is_video_device(acpi_handle handle);
258 extern int acpi_blacklisted(void);
259 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
260 extern void acpi_osi_setup(char *str);
261 extern bool acpi_osi_is_win8(void);
263 #ifdef CONFIG_ACPI_NUMA
264 int acpi_map_pxm_to_online_node(int pxm);
265 int acpi_get_node(acpi_handle handle);
267 static inline int acpi_map_pxm_to_online_node(int pxm)
271 static inline int acpi_get_node(acpi_handle handle)
276 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
278 extern int pnpacpi_disabled;
280 #define PXM_INVAL (-1)
282 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
283 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
284 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
285 struct resource_win *win);
286 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
287 struct resource_win *win);
288 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
289 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
290 struct resource *res);
292 void acpi_dev_free_resource_list(struct list_head *list);
293 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
294 int (*preproc)(struct acpi_resource *, void *),
296 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
297 unsigned long types);
299 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
302 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
305 int acpi_check_resource_conflict(const struct resource *res);
307 int acpi_check_region(resource_size_t start, resource_size_t n,
310 int acpi_resources_are_enforced(void);
312 int acpi_reserve_region(u64 start, unsigned int length, u8 space_id,
313 unsigned long flags, char *desc);
315 #ifdef CONFIG_HIBERNATION
316 void __init acpi_no_s4_hw_signature(void);
319 #ifdef CONFIG_PM_SLEEP
320 void __init acpi_old_suspend_ordering(void);
321 void __init acpi_nvs_nosave(void);
322 void __init acpi_nvs_nosave_s3(void);
323 #endif /* CONFIG_PM_SLEEP */
325 struct acpi_osc_context {
326 char *uuid_str; /* UUID string */
328 struct acpi_buffer cap; /* list of DWORD capabilities */
329 struct acpi_buffer ret; /* free by caller if success */
332 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
333 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
335 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
336 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
337 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
338 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
340 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
341 #define OSC_QUERY_ENABLE 0x00000001 /* input */
342 #define OSC_REQUEST_ERROR 0x00000002 /* return */
343 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
344 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
345 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
347 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
348 #define OSC_SB_PAD_SUPPORT 0x00000001
349 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
350 #define OSC_SB_PR3_SUPPORT 0x00000004
351 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
352 #define OSC_SB_APEI_SUPPORT 0x00000010
353 #define OSC_SB_CPC_SUPPORT 0x00000020
355 extern bool osc_sb_apei_support_acked;
357 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
358 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
359 #define OSC_PCI_ASPM_SUPPORT 0x00000002
360 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
361 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
362 #define OSC_PCI_MSI_SUPPORT 0x00000010
363 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
365 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
366 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
367 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
368 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
369 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
370 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
371 #define OSC_PCI_CONTROL_MASKS 0x0000001f
373 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
374 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
375 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
376 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
377 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
378 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
379 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
380 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
381 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
382 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
384 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
387 /* Enable _OST when all relevant hotplug operations are enabled */
388 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
389 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
390 defined(CONFIG_ACPI_CONTAINER)
391 #define ACPI_HOTPLUG_OST
394 /* _OST Source Event Code (OSPM Action) */
395 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
396 #define ACPI_OST_EC_OSPM_EJECT 0x103
397 #define ACPI_OST_EC_OSPM_INSERTION 0x200
399 /* _OST General Processing Status Code */
400 #define ACPI_OST_SC_SUCCESS 0x0
401 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
402 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
404 /* _OST OS Shutdown Processing (0x100) Status Code */
405 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
406 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
407 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
408 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
410 /* _OST Ejection Request (0x3, 0x103) Status Code */
411 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
412 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
413 #define ACPI_OST_SC_DEVICE_BUSY 0x82
414 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
415 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
417 /* _OST Insertion Request (0x200) Status Code */
418 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
419 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
420 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
422 extern void acpi_early_init(void);
423 extern void acpi_subsystem_init(void);
425 extern int acpi_nvs_register(__u64 start, __u64 size);
427 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
430 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
431 const struct device *dev);
433 extern bool acpi_driver_match_device(struct device *dev,
434 const struct device_driver *drv);
435 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
436 int acpi_device_modalias(struct device *, char *, int);
437 void acpi_walk_dep_device_list(acpi_handle handle);
439 struct platform_device *acpi_create_platform_device(struct acpi_device *);
440 #define ACPI_PTR(_ptr) (_ptr)
442 #else /* !CONFIG_ACPI */
444 #define acpi_disabled 1
446 #define ACPI_COMPANION(dev) (NULL)
447 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
448 #define ACPI_HANDLE(dev) (NULL)
450 struct fwnode_handle;
452 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
457 static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
462 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
467 static inline bool has_acpi_companion(struct device *dev)
472 static inline const char *acpi_dev_name(struct acpi_device *adev)
477 static inline void acpi_early_init(void) { }
478 static inline void acpi_subsystem_init(void) { }
480 static inline int early_acpi_boot_init(void)
484 static inline int acpi_boot_init(void)
489 static inline void acpi_boot_table_init(void)
494 static inline int acpi_mps_check(void)
499 static inline int acpi_check_resource_conflict(struct resource *res)
504 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
510 static inline int acpi_reserve_region(u64 start, unsigned int length,
511 u8 space_id, unsigned long flags,
517 struct acpi_table_header;
518 static inline int acpi_table_parse(char *id,
519 int (*handler)(struct acpi_table_header *))
524 static inline int acpi_nvs_register(__u64 start, __u64 size)
529 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
535 struct acpi_device_id;
537 static inline const struct acpi_device_id *acpi_match_device(
538 const struct acpi_device_id *ids, const struct device *dev)
543 static inline bool acpi_driver_match_device(struct device *dev,
544 const struct device_driver *drv)
549 static inline int acpi_device_uevent_modalias(struct device *dev,
550 struct kobj_uevent_env *env)
555 static inline int acpi_device_modalias(struct device *dev,
561 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
566 #define ACPI_PTR(_ptr) (NULL)
568 #endif /* !CONFIG_ACPI */
571 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
572 u32 pm1a_ctrl, u32 pm1b_ctrl));
574 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
575 u32 pm1a_control, u32 pm1b_control);
577 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
578 u32 val_a, u32 val_b));
580 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
581 u32 val_a, u32 val_b);
584 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
586 static inline void arch_reserve_mem_area(acpi_physical_address addr,
590 #endif /* CONFIG_X86 */
592 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
595 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
596 int acpi_dev_runtime_suspend(struct device *dev);
597 int acpi_dev_runtime_resume(struct device *dev);
598 int acpi_subsys_runtime_suspend(struct device *dev);
599 int acpi_subsys_runtime_resume(struct device *dev);
600 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
601 int acpi_dev_pm_attach(struct device *dev, bool power_on);
603 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
604 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
605 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
606 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
607 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
611 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
617 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
618 int acpi_dev_suspend_late(struct device *dev);
619 int acpi_dev_resume_early(struct device *dev);
620 int acpi_subsys_prepare(struct device *dev);
621 void acpi_subsys_complete(struct device *dev);
622 int acpi_subsys_suspend_late(struct device *dev);
623 int acpi_subsys_resume_early(struct device *dev);
624 int acpi_subsys_suspend(struct device *dev);
625 int acpi_subsys_freeze(struct device *dev);
627 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
628 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
629 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
630 static inline void acpi_subsys_complete(struct device *dev) {}
631 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
632 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
633 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
634 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
639 void acpi_handle_printk(const char *level, acpi_handle handle,
640 const char *fmt, ...);
641 #else /* !CONFIG_ACPI */
642 static inline __printf(3, 4) void
643 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
644 #endif /* !CONFIG_ACPI */
646 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
648 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
650 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
651 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
655 * acpi_handle_<level>: Print message with ACPI prefix and object path
657 * These interfaces acquire the global namespace mutex to obtain an object
658 * path. In interrupt context, it shows the object path as <n/a>.
660 #define acpi_handle_emerg(handle, fmt, ...) \
661 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
662 #define acpi_handle_alert(handle, fmt, ...) \
663 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
664 #define acpi_handle_crit(handle, fmt, ...) \
665 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
666 #define acpi_handle_err(handle, fmt, ...) \
667 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
668 #define acpi_handle_warn(handle, fmt, ...) \
669 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
670 #define acpi_handle_notice(handle, fmt, ...) \
671 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
672 #define acpi_handle_info(handle, fmt, ...) \
673 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
676 #define acpi_handle_debug(handle, fmt, ...) \
677 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
679 #if defined(CONFIG_DYNAMIC_DEBUG)
680 #define acpi_handle_debug(handle, fmt, ...) \
682 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
683 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
684 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
688 #define acpi_handle_debug(handle, fmt, ...) \
691 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
697 struct acpi_gpio_params {
698 unsigned int crs_entry_index;
699 unsigned int line_index;
703 struct acpi_gpio_mapping {
705 const struct acpi_gpio_params *data;
709 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
710 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
711 const struct acpi_gpio_mapping *gpios);
713 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
716 adev->driver_gpios = NULL;
719 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
721 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
722 const struct acpi_gpio_mapping *gpios)
726 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
728 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
734 /* Device properties */
736 #define MAX_ACPI_REFERENCE_ARGS 8
737 struct acpi_reference_args {
738 struct acpi_device *adev;
740 u64 args[MAX_ACPI_REFERENCE_ARGS];
744 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
745 acpi_object_type type, const union acpi_object **obj);
746 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
747 acpi_object_type type,
748 const union acpi_object **obj);
749 int acpi_dev_get_property_reference(struct acpi_device *adev,
750 const char *name, size_t index,
751 struct acpi_reference_args *args);
753 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
755 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
756 enum dev_prop_type proptype, void *val);
757 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
758 enum dev_prop_type proptype, void *val, size_t nval);
760 struct acpi_device *acpi_get_next_child(struct device *dev,
761 struct acpi_device *child);
763 static inline int acpi_dev_get_property(struct acpi_device *adev,
764 const char *name, acpi_object_type type,
765 const union acpi_object **obj)
769 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
771 acpi_object_type type,
772 const union acpi_object **obj)
776 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
777 const char *name, const char *cells_name,
778 size_t index, struct acpi_reference_args *args)
783 static inline int acpi_dev_prop_get(struct acpi_device *adev,
784 const char *propname,
790 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
791 const char *propname,
792 enum dev_prop_type proptype,
798 static inline int acpi_dev_prop_read(struct acpi_device *adev,
799 const char *propname,
800 enum dev_prop_type proptype,
801 void *val, size_t nval)
806 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
807 struct acpi_device *child)
814 #endif /*_LINUX_ACPI_H*/