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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 <asm/acpi.h>
46
47enum acpi_irq_model_id {
48 ACPI_IRQ_MODEL_PIC = 0,
49 ACPI_IRQ_MODEL_IOAPIC,
50 ACPI_IRQ_MODEL_IOSAPIC,
51 ACPI_IRQ_MODEL_PLATFORM,
52 ACPI_IRQ_MODEL_COUNT
53};
54
55extern enum acpi_irq_model_id acpi_irq_model;
56
57enum acpi_interrupt_id {
58 ACPI_INTERRUPT_PMI = 1,
59 ACPI_INTERRUPT_INIT,
60 ACPI_INTERRUPT_CPEI,
61 ACPI_INTERRUPT_COUNT
62};
63
64#define ACPI_SPACE_MEM 0
65
66enum acpi_address_range_id {
67 ACPI_ADDRESS_RANGE_MEMORY = 1,
68 ACPI_ADDRESS_RANGE_RESERVED = 2,
69 ACPI_ADDRESS_RANGE_ACPI = 3,
70 ACPI_ADDRESS_RANGE_NVS = 4,
71 ACPI_ADDRESS_RANGE_COUNT
72};
73
74
75
76
77typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
78
79typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
80 const unsigned long end);
81
82#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
83void acpi_initrd_override(void *data, size_t size);
84#else
85static inline void acpi_initrd_override(void *data, size_t size)
86{
87}
88#endif
89
90char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
91void __acpi_unmap_table(char *map, unsigned long size);
92int early_acpi_boot_init(void);
93int acpi_boot_init (void);
94void acpi_boot_table_init (void);
95int acpi_mps_check (void);
96int acpi_numa_init (void);
97
98int acpi_table_init (void);
99int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
100int __init acpi_table_parse_entries(char *id, unsigned long table_size,
101 int entry_id,
102 acpi_tbl_entry_handler handler,
103 unsigned int max_entries);
104int acpi_table_parse_madt(enum acpi_madt_type id,
105 acpi_tbl_entry_handler handler,
106 unsigned int max_entries);
107int acpi_parse_mcfg (struct acpi_table_header *header);
108void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
109
110
111void acpi_numa_slit_init (struct acpi_table_slit *slit);
112void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
113void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
114int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
115void acpi_numa_arch_fixup(void);
116
117#ifdef CONFIG_ACPI_HOTPLUG_CPU
118
119int acpi_map_lsapic(acpi_handle handle, int *pcpu);
120int acpi_unmap_lsapic(int cpu);
121#endif
122
123int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
124int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
125void acpi_irq_stats_init(void);
126extern u32 acpi_irq_handled;
127extern u32 acpi_irq_not_handled;
128
129extern int sbf_port;
130extern unsigned long acpi_realmode_flags;
131
132int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
133int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
134int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
135
136#ifdef CONFIG_X86_IO_APIC
137extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
138#else
139#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
140#endif
141
142
143
144
145
146void acpi_unregister_gsi (u32 gsi);
147
148struct pci_dev;
149
150int acpi_pci_irq_enable (struct pci_dev *dev);
151void acpi_penalize_isa_irq(int irq, int active);
152
153void acpi_pci_irq_disable (struct pci_dev *dev);
154
155extern int ec_read(u8 addr, u8 *val);
156extern int ec_write(u8 addr, u8 val);
157extern int ec_transaction(u8 command,
158 const u8 *wdata, unsigned wdata_len,
159 u8 *rdata, unsigned rdata_len);
160extern acpi_handle ec_get_handle(void);
161
162#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
163
164typedef void (*wmi_notify_handler) (u32 value, void *context);
165
166extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
167 u32 method_id,
168 const struct acpi_buffer *in,
169 struct acpi_buffer *out);
170extern acpi_status wmi_query_block(const char *guid, u8 instance,
171 struct acpi_buffer *out);
172extern acpi_status wmi_set_block(const char *guid, u8 instance,
173 const struct acpi_buffer *in);
174extern acpi_status wmi_install_notify_handler(const char *guid,
175 wmi_notify_handler handler, void *data);
176extern acpi_status wmi_remove_notify_handler(const char *guid);
177extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
178extern bool wmi_has_guid(const char *guid);
179
180#endif
181
182#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
183#define ACPI_VIDEO_DEVICE_POSTING 0x0002
184#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
185#define ACPI_VIDEO_BACKLIGHT 0x0008
186#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
187#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
188#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
189#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
190#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
191#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
192#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
193#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
194
195#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
196
197extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
198extern long acpi_is_video_device(acpi_handle handle);
199extern void acpi_video_dmi_promote_vendor(void);
200extern void acpi_video_dmi_demote_vendor(void);
201extern int acpi_video_backlight_support(void);
202extern int acpi_video_display_switch_support(void);
203
204#else
205
206static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
207{
208 return 0;
209}
210
211static inline long acpi_is_video_device(acpi_handle handle)
212{
213 return 0;
214}
215
216static inline void acpi_video_dmi_promote_vendor(void)
217{
218}
219
220static inline void acpi_video_dmi_demote_vendor(void)
221{
222}
223
224static inline int acpi_video_backlight_support(void)
225{
226 return 0;
227}
228
229static inline int acpi_video_display_switch_support(void)
230{
231 return 0;
232}
233
234#endif
235
236extern int acpi_blacklisted(void);
237extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
238extern void acpi_osi_setup(char *str);
239
240#ifdef CONFIG_ACPI_NUMA
241int acpi_get_pxm(acpi_handle handle);
242int acpi_get_node(acpi_handle *handle);
243#else
244static inline int acpi_get_pxm(acpi_handle handle)
245{
246 return 0;
247}
248static inline int acpi_get_node(acpi_handle *handle)
249{
250 return 0;
251}
252#endif
253extern int acpi_paddr_to_node(u64 start_addr, u64 size);
254
255extern int pnpacpi_disabled;
256
257#define PXM_INVAL (-1)
258
259bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
260bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
261bool acpi_dev_resource_address_space(struct acpi_resource *ares,
262 struct resource *res);
263bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
264 struct resource *res);
265unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
266bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
267 struct resource *res);
268
269struct resource_list_entry {
270 struct list_head node;
271 struct resource res;
272};
273
274void acpi_dev_free_resource_list(struct list_head *list);
275int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
276 int (*preproc)(struct acpi_resource *, void *),
277 void *preproc_data);
278
279int acpi_check_resource_conflict(const struct resource *res);
280
281int acpi_check_region(resource_size_t start, resource_size_t n,
282 const char *name);
283
284int acpi_resources_are_enforced(void);
285
286#ifdef CONFIG_HIBERNATION
287void __init acpi_no_s4_hw_signature(void);
288#endif
289
290#ifdef CONFIG_PM_SLEEP
291void __init acpi_old_suspend_ordering(void);
292void __init acpi_nvs_nosave(void);
293void __init acpi_nvs_nosave_s3(void);
294#endif
295
296struct acpi_osc_context {
297 char *uuid_str;
298 int rev;
299 struct acpi_buffer cap;
300 struct acpi_buffer ret;
301};
302
303#define OSC_QUERY_TYPE 0
304#define OSC_SUPPORT_TYPE 1
305#define OSC_CONTROL_TYPE 2
306
307
308#define OSC_QUERY_ENABLE 1
309#define OSC_REQUEST_ERROR 2
310#define OSC_INVALID_UUID_ERROR 4
311#define OSC_INVALID_REVISION_ERROR 8
312#define OSC_CAPABILITIES_MASK_ERROR 16
313
314acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
315
316
317#define OSC_SB_PAD_SUPPORT 1
318#define OSC_SB_PPC_OST_SUPPORT 2
319#define OSC_SB_PR3_SUPPORT 4
320#define OSC_SB_HOTPLUG_OST_SUPPORT 8
321#define OSC_SB_APEI_SUPPORT 16
322
323extern bool osc_sb_apei_support_acked;
324
325
326
327#define OSC_EXT_PCI_CONFIG_SUPPORT 1
328#define OSC_ACTIVE_STATE_PWR_SUPPORT 2
329#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
330#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
331#define OSC_MSI_SUPPORT 16
332#define OSC_PCI_SUPPORT_MASKS 0x1f
333
334
335#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
336#define OSC_SHPC_NATIVE_HP_CONTROL 2
337#define OSC_PCI_EXPRESS_PME_CONTROL 4
338#define OSC_PCI_EXPRESS_AER_CONTROL 8
339#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
340
341#define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
342 OSC_SHPC_NATIVE_HP_CONTROL | \
343 OSC_PCI_EXPRESS_PME_CONTROL | \
344 OSC_PCI_EXPRESS_AER_CONTROL | \
345 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
346
347#define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
348 OSC_SHPC_NATIVE_HP_CONTROL)
349
350extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
351 u32 *mask, u32 req);
352
353
354#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
355 (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \
356 defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \
357 defined(CONFIG_ACPI_CONTAINER)
358#define ACPI_HOTPLUG_OST
359#endif
360
361
362#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
363#define ACPI_OST_EC_OSPM_EJECT 0x103
364#define ACPI_OST_EC_OSPM_INSERTION 0x200
365
366
367#define ACPI_OST_SC_SUCCESS 0x0
368#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
369#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
370
371
372#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
373#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
374#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
375#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
376
377
378#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
379#define ACPI_OST_SC_DEVICE_IN_USE 0x81
380#define ACPI_OST_SC_DEVICE_BUSY 0x82
381#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
382#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
383
384
385#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
386#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
387#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
388
389extern void acpi_early_init(void);
390
391extern int acpi_nvs_register(__u64 start, __u64 size);
392
393extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
394 void *data);
395
396const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
397 const struct device *dev);
398
399static inline bool acpi_driver_match_device(struct device *dev,
400 const struct device_driver *drv)
401{
402 return !!acpi_match_device(drv->acpi_match_table, dev);
403}
404
405#define ACPI_PTR(_ptr) (_ptr)
406
407#else
408
409#define acpi_disabled 1
410
411static inline void acpi_early_init(void) { }
412
413static inline int early_acpi_boot_init(void)
414{
415 return 0;
416}
417static inline int acpi_boot_init(void)
418{
419 return 0;
420}
421
422static inline void acpi_boot_table_init(void)
423{
424 return;
425}
426
427static inline int acpi_mps_check(void)
428{
429 return 0;
430}
431
432static inline int acpi_check_resource_conflict(struct resource *res)
433{
434 return 0;
435}
436
437static inline int acpi_check_region(resource_size_t start, resource_size_t n,
438 const char *name)
439{
440 return 0;
441}
442
443struct acpi_table_header;
444static inline int acpi_table_parse(char *id,
445 int (*handler)(struct acpi_table_header *))
446{
447 return -1;
448}
449
450static inline int acpi_nvs_register(__u64 start, __u64 size)
451{
452 return 0;
453}
454
455static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
456 void *data)
457{
458 return 0;
459}
460
461struct acpi_device_id;
462
463static inline const struct acpi_device_id *acpi_match_device(
464 const struct acpi_device_id *ids, const struct device *dev)
465{
466 return NULL;
467}
468
469static inline bool acpi_driver_match_device(struct device *dev,
470 const struct device_driver *drv)
471{
472 return false;
473}
474
475#define ACPI_PTR(_ptr) (NULL)
476
477#endif
478
479#ifdef CONFIG_ACPI
480void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
481 u32 pm1a_ctrl, u32 pm1b_ctrl));
482
483acpi_status acpi_os_prepare_sleep(u8 sleep_state,
484 u32 pm1a_control, u32 pm1b_control);
485#ifdef CONFIG_X86
486void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
487#else
488static inline void arch_reserve_mem_area(acpi_physical_address addr,
489 size_t size)
490{
491}
492#endif
493#else
494#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
495#endif
496
497#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
498int acpi_dev_runtime_suspend(struct device *dev);
499int acpi_dev_runtime_resume(struct device *dev);
500int acpi_subsys_runtime_suspend(struct device *dev);
501int acpi_subsys_runtime_resume(struct device *dev);
502#else
503static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
504static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
505static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
506static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
507#endif
508
509#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
510int acpi_dev_suspend_late(struct device *dev);
511int acpi_dev_resume_early(struct device *dev);
512int acpi_subsys_prepare(struct device *dev);
513int acpi_subsys_suspend_late(struct device *dev);
514int acpi_subsys_resume_early(struct device *dev);
515#else
516static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
517static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
518static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
519static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
520static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
521#endif
522
523#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
524struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
525int acpi_dev_pm_attach(struct device *dev, bool power_on);
526void acpi_dev_pm_detach(struct device *dev, bool power_off);
527#else
528static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
529{
530 return NULL;
531}
532static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
533{
534 return -ENODEV;
535}
536static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
537#endif
538
539#ifdef CONFIG_ACPI
540__printf(3, 4)
541void acpi_handle_printk(const char *level, acpi_handle handle,
542 const char *fmt, ...);
543#else
544static inline __printf(3, 4) void
545acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
546#endif
547
548
549
550
551
552
553
554#define acpi_handle_emerg(handle, fmt, ...) \
555 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
556#define acpi_handle_alert(handle, fmt, ...) \
557 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
558#define acpi_handle_crit(handle, fmt, ...) \
559 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
560#define acpi_handle_err(handle, fmt, ...) \
561 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
562#define acpi_handle_warn(handle, fmt, ...) \
563 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
564#define acpi_handle_notice(handle, fmt, ...) \
565 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
566#define acpi_handle_info(handle, fmt, ...) \
567 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
568
569
570#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
571#define acpi_handle_debug(handle, fmt, ...) \
572 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
573#else
574#define acpi_handle_debug(handle, fmt, ...) \
575({ \
576 if (0) \
577 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
578 0; \
579})
580#endif
581
582#endif
583