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25#ifndef _LINUX_ACPI_H
26#define _LINUX_ACPI_H
27
28#include <linux/errno.h>
29#include <linux/ioport.h>
30#include <linux/device.h>
31
32#ifdef CONFIG_ACPI
33
34#ifndef _LINUX
35#define _LINUX
36#endif
37
38#include <linux/list.h>
39#include <linux/mod_devicetable.h>
40
41#include <acpi/acpi.h>
42#include <acpi/acpi_bus.h>
43#include <acpi/acpi_drivers.h>
44#include <acpi/acpi_numa.h>
45#include <acpi/acpi_io.h>
46#include <asm/acpi.h>
47
48static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
49{
50 return adev ? adev->handle : NULL;
51}
52
53#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
54#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
55#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
56
57static inline void acpi_preset_companion(struct device *dev,
58 struct acpi_device *parent, u64 addr)
59{
60 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
61}
62
63static inline const char *acpi_dev_name(struct acpi_device *adev)
64{
65 return dev_name(&adev->dev);
66}
67
68enum acpi_irq_model_id {
69 ACPI_IRQ_MODEL_PIC = 0,
70 ACPI_IRQ_MODEL_IOAPIC,
71 ACPI_IRQ_MODEL_IOSAPIC,
72 ACPI_IRQ_MODEL_PLATFORM,
73 ACPI_IRQ_MODEL_COUNT
74};
75
76extern enum acpi_irq_model_id acpi_irq_model;
77
78enum acpi_interrupt_id {
79 ACPI_INTERRUPT_PMI = 1,
80 ACPI_INTERRUPT_INIT,
81 ACPI_INTERRUPT_CPEI,
82 ACPI_INTERRUPT_COUNT
83};
84
85#define ACPI_SPACE_MEM 0
86
87enum acpi_address_range_id {
88 ACPI_ADDRESS_RANGE_MEMORY = 1,
89 ACPI_ADDRESS_RANGE_RESERVED = 2,
90 ACPI_ADDRESS_RANGE_ACPI = 3,
91 ACPI_ADDRESS_RANGE_NVS = 4,
92 ACPI_ADDRESS_RANGE_COUNT
93};
94
95
96
97
98typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
99
100typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
101 const unsigned long end);
102
103#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
104void acpi_initrd_override(void *data, size_t size);
105#else
106static inline void acpi_initrd_override(void *data, size_t size)
107{
108}
109#endif
110
111#define BAD_MADT_ENTRY(entry, end) ( \
112 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
113 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
114
115char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
116void __acpi_unmap_table(char *map, unsigned long size);
117int early_acpi_boot_init(void);
118int acpi_boot_init (void);
119void acpi_boot_table_init (void);
120int acpi_mps_check (void);
121int acpi_numa_init (void);
122
123int acpi_table_init (void);
124int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
125int __init acpi_table_parse_entries(char *id, unsigned long table_size,
126 int entry_id,
127 acpi_tbl_entry_handler handler,
128 unsigned int max_entries);
129int acpi_table_parse_madt(enum acpi_madt_type id,
130 acpi_tbl_entry_handler handler,
131 unsigned int max_entries);
132int acpi_parse_mcfg (struct acpi_table_header *header);
133void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
134
135
136void acpi_numa_slit_init (struct acpi_table_slit *slit);
137void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
138void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
139int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
140void acpi_numa_arch_fixup(void);
141
142#ifdef CONFIG_ACPI_HOTPLUG_CPU
143
144int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
145int acpi_unmap_lsapic(int cpu);
146#endif
147
148int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
149int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
150void acpi_irq_stats_init(void);
151extern u32 acpi_irq_handled;
152extern u32 acpi_irq_not_handled;
153
154extern int sbf_port;
155extern unsigned long acpi_realmode_flags;
156
157int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
158int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
159int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
160
161#ifdef CONFIG_X86_IO_APIC
162extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
163#else
164#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
165#endif
166
167
168
169
170
171void acpi_unregister_gsi (u32 gsi);
172
173struct pci_dev;
174
175int acpi_pci_irq_enable (struct pci_dev *dev);
176void acpi_penalize_isa_irq(int irq, int active);
177
178void acpi_pci_irq_disable (struct pci_dev *dev);
179
180extern int ec_read(u8 addr, u8 *val);
181extern int ec_write(u8 addr, u8 val);
182extern int ec_transaction(u8 command,
183 const u8 *wdata, unsigned wdata_len,
184 u8 *rdata, unsigned rdata_len);
185extern acpi_handle ec_get_handle(void);
186
187#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
188
189typedef void (*wmi_notify_handler) (u32 value, void *context);
190
191extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
192 u32 method_id,
193 const struct acpi_buffer *in,
194 struct acpi_buffer *out);
195extern acpi_status wmi_query_block(const char *guid, u8 instance,
196 struct acpi_buffer *out);
197extern acpi_status wmi_set_block(const char *guid, u8 instance,
198 const struct acpi_buffer *in);
199extern acpi_status wmi_install_notify_handler(const char *guid,
200 wmi_notify_handler handler, void *data);
201extern acpi_status wmi_remove_notify_handler(const char *guid);
202extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
203extern bool wmi_has_guid(const char *guid);
204
205#endif
206
207#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
208#define ACPI_VIDEO_DEVICE_POSTING 0x0002
209#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
210#define ACPI_VIDEO_BACKLIGHT 0x0008
211#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
212#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
213#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
214#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
215#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
216#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
217#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
218#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
219
220#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
221
222extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
223extern long acpi_is_video_device(acpi_handle handle);
224extern void acpi_video_dmi_promote_vendor(void);
225extern void acpi_video_dmi_demote_vendor(void);
226extern int acpi_video_backlight_support(void);
227extern int acpi_video_display_switch_support(void);
228
229#else
230
231static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
232{
233 return 0;
234}
235
236static inline long acpi_is_video_device(acpi_handle handle)
237{
238 return 0;
239}
240
241static inline void acpi_video_dmi_promote_vendor(void)
242{
243}
244
245static inline void acpi_video_dmi_demote_vendor(void)
246{
247}
248
249static inline int acpi_video_backlight_support(void)
250{
251 return 0;
252}
253
254static inline int acpi_video_display_switch_support(void)
255{
256 return 0;
257}
258
259#endif
260
261extern int acpi_blacklisted(void);
262extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
263extern void acpi_osi_setup(char *str);
264
265#ifdef CONFIG_ACPI_NUMA
266int acpi_get_node(acpi_handle handle);
267#else
268static inline int acpi_get_node(acpi_handle handle)
269{
270 return 0;
271}
272#endif
273extern int acpi_paddr_to_node(u64 start_addr, u64 size);
274
275extern int pnpacpi_disabled;
276
277#define PXM_INVAL (-1)
278
279bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
280bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
281bool acpi_dev_resource_address_space(struct acpi_resource *ares,
282 struct resource *res);
283bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
284 struct resource *res);
285unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
286bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
287 struct resource *res);
288
289struct resource_list_entry {
290 struct list_head node;
291 struct resource res;
292};
293
294void acpi_dev_free_resource_list(struct list_head *list);
295int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
296 int (*preproc)(struct acpi_resource *, void *),
297 void *preproc_data);
298
299int acpi_check_resource_conflict(const struct resource *res);
300
301int acpi_check_region(resource_size_t start, resource_size_t n,
302 const char *name);
303
304int acpi_resources_are_enforced(void);
305
306#ifdef CONFIG_HIBERNATION
307void __init acpi_no_s4_hw_signature(void);
308#endif
309
310#ifdef CONFIG_PM_SLEEP
311void __init acpi_old_suspend_ordering(void);
312void __init acpi_nvs_nosave(void);
313void __init acpi_nvs_nosave_s3(void);
314#endif
315
316struct acpi_osc_context {
317 char *uuid_str;
318 int rev;
319 struct acpi_buffer cap;
320 struct acpi_buffer ret;
321};
322
323acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
324acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
325
326
327#define OSC_QUERY_DWORD 0
328#define OSC_SUPPORT_DWORD 1
329#define OSC_CONTROL_DWORD 2
330
331
332#define OSC_QUERY_ENABLE 0x00000001
333#define OSC_REQUEST_ERROR 0x00000002
334#define OSC_INVALID_UUID_ERROR 0x00000004
335#define OSC_INVALID_REVISION_ERROR 0x00000008
336#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
337
338
339#define OSC_SB_PAD_SUPPORT 0x00000001
340#define OSC_SB_PPC_OST_SUPPORT 0x00000002
341#define OSC_SB_PR3_SUPPORT 0x00000004
342#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
343#define OSC_SB_APEI_SUPPORT 0x00000010
344#define OSC_SB_CPC_SUPPORT 0x00000020
345
346extern bool osc_sb_apei_support_acked;
347
348
349#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
350#define OSC_PCI_ASPM_SUPPORT 0x00000002
351#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
352#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
353#define OSC_PCI_MSI_SUPPORT 0x00000010
354#define OSC_PCI_SUPPORT_MASKS 0x0000001f
355
356
357#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
358#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
359#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
360#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
361#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
362#define OSC_PCI_CONTROL_MASKS 0x0000001f
363
364extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
365 u32 *mask, u32 req);
366
367
368#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
369 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
370 defined(CONFIG_ACPI_CONTAINER)
371#define ACPI_HOTPLUG_OST
372#endif
373
374
375#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
376#define ACPI_OST_EC_OSPM_EJECT 0x103
377#define ACPI_OST_EC_OSPM_INSERTION 0x200
378
379
380#define ACPI_OST_SC_SUCCESS 0x0
381#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
382#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
383
384
385#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
386#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
387#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
388#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
389
390
391#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
392#define ACPI_OST_SC_DEVICE_IN_USE 0x81
393#define ACPI_OST_SC_DEVICE_BUSY 0x82
394#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
395#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
396
397
398#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
399#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
400#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
401
402extern void acpi_early_init(void);
403
404extern int acpi_nvs_register(__u64 start, __u64 size);
405
406extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
407 void *data);
408
409const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
410 const struct device *dev);
411
412static inline bool acpi_driver_match_device(struct device *dev,
413 const struct device_driver *drv)
414{
415 return !!acpi_match_device(drv->acpi_match_table, dev);
416}
417
418int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
419int acpi_device_modalias(struct device *, char *, int);
420
421#define ACPI_PTR(_ptr) (_ptr)
422
423#else
424
425#define acpi_disabled 1
426
427#define ACPI_COMPANION(dev) (NULL)
428#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
429#define ACPI_HANDLE(dev) (NULL)
430
431static inline const char *acpi_dev_name(struct acpi_device *adev)
432{
433 return NULL;
434}
435
436static inline void acpi_early_init(void) { }
437
438static inline int early_acpi_boot_init(void)
439{
440 return 0;
441}
442static inline int acpi_boot_init(void)
443{
444 return 0;
445}
446
447static inline void acpi_boot_table_init(void)
448{
449 return;
450}
451
452static inline int acpi_mps_check(void)
453{
454 return 0;
455}
456
457static inline int acpi_check_resource_conflict(struct resource *res)
458{
459 return 0;
460}
461
462static inline int acpi_check_region(resource_size_t start, resource_size_t n,
463 const char *name)
464{
465 return 0;
466}
467
468struct acpi_table_header;
469static inline int acpi_table_parse(char *id,
470 int (*handler)(struct acpi_table_header *))
471{
472 return -ENODEV;
473}
474
475static inline int acpi_nvs_register(__u64 start, __u64 size)
476{
477 return 0;
478}
479
480static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
481 void *data)
482{
483 return 0;
484}
485
486struct acpi_device_id;
487
488static inline const struct acpi_device_id *acpi_match_device(
489 const struct acpi_device_id *ids, const struct device *dev)
490{
491 return NULL;
492}
493
494static inline bool acpi_driver_match_device(struct device *dev,
495 const struct device_driver *drv)
496{
497 return false;
498}
499
500static inline int acpi_device_uevent_modalias(struct device *dev,
501 struct kobj_uevent_env *env)
502{
503 return -ENODEV;
504}
505
506static inline int acpi_device_modalias(struct device *dev,
507 char *buf, int size)
508{
509 return -ENODEV;
510}
511
512#define ACPI_PTR(_ptr) (NULL)
513
514#endif
515
516#ifdef CONFIG_ACPI
517void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
518 u32 pm1a_ctrl, u32 pm1b_ctrl));
519
520acpi_status acpi_os_prepare_sleep(u8 sleep_state,
521 u32 pm1a_control, u32 pm1b_control);
522
523void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
524 u32 val_a, u32 val_b));
525
526acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
527 u32 val_a, u32 val_b);
528
529#ifdef CONFIG_X86
530void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
531#else
532static inline void arch_reserve_mem_area(acpi_physical_address addr,
533 size_t size)
534{
535}
536#endif
537#else
538#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
539#endif
540
541#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
542int acpi_dev_runtime_suspend(struct device *dev);
543int acpi_dev_runtime_resume(struct device *dev);
544int acpi_subsys_runtime_suspend(struct device *dev);
545int acpi_subsys_runtime_resume(struct device *dev);
546#else
547static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
548static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
549static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
550static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
551#endif
552
553#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
554int acpi_dev_suspend_late(struct device *dev);
555int acpi_dev_resume_early(struct device *dev);
556int acpi_subsys_prepare(struct device *dev);
557int acpi_subsys_suspend_late(struct device *dev);
558int acpi_subsys_resume_early(struct device *dev);
559#else
560static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
561static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
562static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
563static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
564static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
565#endif
566
567#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
568struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
569int acpi_dev_pm_attach(struct device *dev, bool power_on);
570void acpi_dev_pm_detach(struct device *dev, bool power_off);
571#else
572static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
573{
574 return NULL;
575}
576static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
577{
578 return -ENODEV;
579}
580static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
581#endif
582
583#ifdef CONFIG_ACPI
584__printf(3, 4)
585void acpi_handle_printk(const char *level, acpi_handle handle,
586 const char *fmt, ...);
587#else
588static inline __printf(3, 4) void
589acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
590#endif
591
592
593
594
595
596
597
598#define acpi_handle_emerg(handle, fmt, ...) \
599 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
600#define acpi_handle_alert(handle, fmt, ...) \
601 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
602#define acpi_handle_crit(handle, fmt, ...) \
603 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
604#define acpi_handle_err(handle, fmt, ...) \
605 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
606#define acpi_handle_warn(handle, fmt, ...) \
607 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
608#define acpi_handle_notice(handle, fmt, ...) \
609 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
610#define acpi_handle_info(handle, fmt, ...) \
611 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
612
613
614#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
615#define acpi_handle_debug(handle, fmt, ...) \
616 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
617#else
618#define acpi_handle_debug(handle, fmt, ...) \
619({ \
620 if (0) \
621 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
622 0; \
623})
624#endif
625
626#endif
627
