projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge tag 'md/3.20-fixes' of git://neil.brown.name/md
[deliverable/linux.git] / include / linux / acpi.h
1 /*
2 * acpi.h - ACPI Interface
3 *
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
5 *
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7 *
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.
12 *
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.
17 *
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
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */
24
25 #ifndef _LINUX_ACPI_H
26 #define _LINUX_ACPI_H
27
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>
33
34 #ifndef _LINUX
35 #define _LINUX
36 #endif
37 #include <acpi/acpi.h>
38
39 #ifdef CONFIG_ACPI
40
41 #include <linux/list.h>
42 #include <linux/mod_devicetable.h>
43 #include <linux/dynamic_debug.h>
44
45 #include <acpi/acpi_bus.h>
46 #include <acpi/acpi_drivers.h>
47 #include <acpi/acpi_numa.h>
48 #include <acpi/acpi_io.h>
49 #include <asm/acpi.h>
50
51 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
52 {
53 return adev ? adev->handle : NULL;
54 }
55
56 #define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
57 #define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
58 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
59
60 static inline void acpi_preset_companion(struct device *dev,
61 struct acpi_device *parent, u64 addr)
62 {
63 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
64 }
65
66 static inline const char *acpi_dev_name(struct acpi_device *adev)
67 {
68 return dev_name(&adev->dev);
69 }
70
71 enum acpi_irq_model_id {
72 ACPI_IRQ_MODEL_PIC = 0,
73 ACPI_IRQ_MODEL_IOAPIC,
74 ACPI_IRQ_MODEL_IOSAPIC,
75 ACPI_IRQ_MODEL_PLATFORM,
76 ACPI_IRQ_MODEL_COUNT
77 };
78
79 extern enum acpi_irq_model_id acpi_irq_model;
80
81 enum acpi_interrupt_id {
82 ACPI_INTERRUPT_PMI = 1,
83 ACPI_INTERRUPT_INIT,
84 ACPI_INTERRUPT_CPEI,
85 ACPI_INTERRUPT_COUNT
86 };
87
88 #define ACPI_SPACE_MEM 0
89
90 enum acpi_address_range_id {
91 ACPI_ADDRESS_RANGE_MEMORY = 1,
92 ACPI_ADDRESS_RANGE_RESERVED = 2,
93 ACPI_ADDRESS_RANGE_ACPI = 3,
94 ACPI_ADDRESS_RANGE_NVS = 4,
95 ACPI_ADDRESS_RANGE_COUNT
96 };
97
98
99 /* Table Handlers */
100
101 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
102
103 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
104 const unsigned long end);
105
106 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
107 void acpi_initrd_override(void *data, size_t size);
108 #else
109 static inline void acpi_initrd_override(void *data, size_t size)
110 {
111 }
112 #endif
113
114 #define BAD_MADT_ENTRY(entry, end) ( \
115 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
116 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
117
118 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
119 void __acpi_unmap_table(char *map, unsigned long size);
120 int early_acpi_boot_init(void);
121 int acpi_boot_init (void);
122 void acpi_boot_table_init (void);
123 int acpi_mps_check (void);
124 int acpi_numa_init (void);
125
126 int acpi_table_init (void);
127 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
128 int __init acpi_parse_entries(char *id, unsigned long table_size,
129 acpi_tbl_entry_handler handler,
130 struct acpi_table_header *table_header,
131 int entry_id, unsigned int max_entries);
132 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
133 int entry_id,
134 acpi_tbl_entry_handler handler,
135 unsigned int max_entries);
136 int acpi_table_parse_madt(enum acpi_madt_type id,
137 acpi_tbl_entry_handler handler,
138 unsigned int max_entries);
139 int acpi_parse_mcfg (struct acpi_table_header *header);
140 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
141
142 /* the following four functions are architecture-dependent */
143 void acpi_numa_slit_init (struct acpi_table_slit *slit);
144 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
145 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
146 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
147 void acpi_numa_arch_fixup(void);
148
149 #ifdef CONFIG_ACPI_HOTPLUG_CPU
150 /* Arch dependent functions for cpu hotplug support */
151 int acpi_map_cpu(acpi_handle handle, int physid, int *pcpu);
152 int acpi_unmap_cpu(int cpu);
153 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
154
155 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
156 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
157 #endif
158
159 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
160 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
161 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
162 void acpi_irq_stats_init(void);
163 extern u32 acpi_irq_handled;
164 extern u32 acpi_irq_not_handled;
165
166 extern int sbf_port;
167 extern unsigned long acpi_realmode_flags;
168
169 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
170 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
171 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
172
173 #ifdef CONFIG_X86_IO_APIC
174 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
175 #else
176 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
177 #endif
178 /*
179 * This function undoes the effect of one call to acpi_register_gsi().
180 * If this matches the last registration, any IRQ resources for gsi
181 * are freed.
182 */
183 void acpi_unregister_gsi (u32 gsi);
184
185 struct pci_dev;
186
187 int acpi_pci_irq_enable (struct pci_dev *dev);
188 void acpi_penalize_isa_irq(int irq, int active);
189
190 void acpi_pci_irq_disable (struct pci_dev *dev);
191
192 extern int ec_read(u8 addr, u8 *val);
193 extern int ec_write(u8 addr, u8 val);
194 extern int ec_transaction(u8 command,
195 const u8 *wdata, unsigned wdata_len,
196 u8 *rdata, unsigned rdata_len);
197 extern acpi_handle ec_get_handle(void);
198
199 extern bool acpi_is_pnp_device(struct acpi_device *);
200
201 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
202
203 typedef void (*wmi_notify_handler) (u32 value, void *context);
204
205 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
206 u32 method_id,
207 const struct acpi_buffer *in,
208 struct acpi_buffer *out);
209 extern acpi_status wmi_query_block(const char *guid, u8 instance,
210 struct acpi_buffer *out);
211 extern acpi_status wmi_set_block(const char *guid, u8 instance,
212 const struct acpi_buffer *in);
213 extern acpi_status wmi_install_notify_handler(const char *guid,
214 wmi_notify_handler handler, void *data);
215 extern acpi_status wmi_remove_notify_handler(const char *guid);
216 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
217 extern bool wmi_has_guid(const char *guid);
218
219 #endif /* CONFIG_ACPI_WMI */
220
221 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
222 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
223 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
224 #define ACPI_VIDEO_BACKLIGHT 0x0008
225 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
226 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
227 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
228 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
229 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
230 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
231 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
232 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
233
234 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
235
236 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
237 extern long acpi_is_video_device(acpi_handle handle);
238 extern void acpi_video_dmi_promote_vendor(void);
239 extern void acpi_video_dmi_demote_vendor(void);
240 extern int acpi_video_backlight_support(void);
241 extern int acpi_video_display_switch_support(void);
242
243 #else
244
245 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
246 {
247 return 0;
248 }
249
250 static inline long acpi_is_video_device(acpi_handle handle)
251 {
252 return 0;
253 }
254
255 static inline void acpi_video_dmi_promote_vendor(void)
256 {
257 }
258
259 static inline void acpi_video_dmi_demote_vendor(void)
260 {
261 }
262
263 static inline int acpi_video_backlight_support(void)
264 {
265 return 0;
266 }
267
268 static inline int acpi_video_display_switch_support(void)
269 {
270 return 0;
271 }
272
273 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
274
275 extern int acpi_blacklisted(void);
276 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
277 extern void acpi_osi_setup(char *str);
278
279 #ifdef CONFIG_ACPI_NUMA
280 int acpi_get_node(acpi_handle handle);
281 #else
282 static inline int acpi_get_node(acpi_handle handle)
283 {
284 return 0;
285 }
286 #endif
287 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
288
289 extern int pnpacpi_disabled;
290
291 #define PXM_INVAL (-1)
292
293 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
294 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
295 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
296 struct resource_win *win);
297 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
298 struct resource_win *win);
299 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
300 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
301 struct resource *res);
302
303 void acpi_dev_free_resource_list(struct list_head *list);
304 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
305 int (*preproc)(struct acpi_resource *, void *),
306 void *preproc_data);
307 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
308 unsigned long types);
309
310 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
311 void *arg)
312 {
313 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
314 }
315
316 int acpi_check_resource_conflict(const struct resource *res);
317
318 int acpi_check_region(resource_size_t start, resource_size_t n,
319 const char *name);
320
321 int acpi_resources_are_enforced(void);
322
323 #ifdef CONFIG_HIBERNATION
324 void __init acpi_no_s4_hw_signature(void);
325 #endif
326
327 #ifdef CONFIG_PM_SLEEP
328 void __init acpi_old_suspend_ordering(void);
329 void __init acpi_nvs_nosave(void);
330 void __init acpi_nvs_nosave_s3(void);
331 #endif /* CONFIG_PM_SLEEP */
332
333 struct acpi_osc_context {
334 char *uuid_str; /* UUID string */
335 int rev;
336 struct acpi_buffer cap; /* list of DWORD capabilities */
337 struct acpi_buffer ret; /* free by caller if success */
338 };
339
340 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
341 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
342
343 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
344 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
345 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
346 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
347
348 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
349 #define OSC_QUERY_ENABLE 0x00000001 /* input */
350 #define OSC_REQUEST_ERROR 0x00000002 /* return */
351 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
352 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
353 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
354
355 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
356 #define OSC_SB_PAD_SUPPORT 0x00000001
357 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
358 #define OSC_SB_PR3_SUPPORT 0x00000004
359 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
360 #define OSC_SB_APEI_SUPPORT 0x00000010
361 #define OSC_SB_CPC_SUPPORT 0x00000020
362
363 extern bool osc_sb_apei_support_acked;
364
365 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
366 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
367 #define OSC_PCI_ASPM_SUPPORT 0x00000002
368 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
369 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
370 #define OSC_PCI_MSI_SUPPORT 0x00000010
371 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
372
373 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
374 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
375 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
376 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
377 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
378 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
379 #define OSC_PCI_CONTROL_MASKS 0x0000001f
380
381 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
382 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
383 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
384 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
385 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
386 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
387 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
388 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
389 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
390 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
391
392 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
393 u32 *mask, u32 req);
394
395 /* Enable _OST when all relevant hotplug operations are enabled */
396 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
397 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
398 defined(CONFIG_ACPI_CONTAINER)
399 #define ACPI_HOTPLUG_OST
400 #endif
401
402 /* _OST Source Event Code (OSPM Action) */
403 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
404 #define ACPI_OST_EC_OSPM_EJECT 0x103
405 #define ACPI_OST_EC_OSPM_INSERTION 0x200
406
407 /* _OST General Processing Status Code */
408 #define ACPI_OST_SC_SUCCESS 0x0
409 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
410 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
411
412 /* _OST OS Shutdown Processing (0x100) Status Code */
413 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
414 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
415 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
416 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
417
418 /* _OST Ejection Request (0x3, 0x103) Status Code */
419 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
420 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
421 #define ACPI_OST_SC_DEVICE_BUSY 0x82
422 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
423 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
424
425 /* _OST Insertion Request (0x200) Status Code */
426 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
427 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
428 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
429
430 extern void acpi_early_init(void);
431
432 extern int acpi_nvs_register(__u64 start, __u64 size);
433
434 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
435 void *data);
436
437 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
438 const struct device *dev);
439
440 extern bool acpi_driver_match_device(struct device *dev,
441 const struct device_driver *drv);
442 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
443 int acpi_device_modalias(struct device *, char *, int);
444 void acpi_walk_dep_device_list(acpi_handle handle);
445
446 struct platform_device *acpi_create_platform_device(struct acpi_device *);
447 #define ACPI_PTR(_ptr) (_ptr)
448
449 #else /* !CONFIG_ACPI */
450
451 #define acpi_disabled 1
452
453 #define ACPI_COMPANION(dev) (NULL)
454 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
455 #define ACPI_HANDLE(dev) (NULL)
456
457 struct fwnode_handle;
458
459 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
460 {
461 return false;
462 }
463
464 static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
465 {
466 return NULL;
467 }
468
469 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
470 {
471 return NULL;
472 }
473
474 static inline const char *acpi_dev_name(struct acpi_device *adev)
475 {
476 return NULL;
477 }
478
479 static inline void acpi_early_init(void) { }
480
481 static inline int early_acpi_boot_init(void)
482 {
483 return 0;
484 }
485 static inline int acpi_boot_init(void)
486 {
487 return 0;
488 }
489
490 static inline void acpi_boot_table_init(void)
491 {
492 return;
493 }
494
495 static inline int acpi_mps_check(void)
496 {
497 return 0;
498 }
499
500 static inline int acpi_check_resource_conflict(struct resource *res)
501 {
502 return 0;
503 }
504
505 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
506 const char *name)
507 {
508 return 0;
509 }
510
511 struct acpi_table_header;
512 static inline int acpi_table_parse(char *id,
513 int (*handler)(struct acpi_table_header *))
514 {
515 return -ENODEV;
516 }
517
518 static inline int acpi_nvs_register(__u64 start, __u64 size)
519 {
520 return 0;
521 }
522
523 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
524 void *data)
525 {
526 return 0;
527 }
528
529 struct acpi_device_id;
530
531 static inline const struct acpi_device_id *acpi_match_device(
532 const struct acpi_device_id *ids, const struct device *dev)
533 {
534 return NULL;
535 }
536
537 static inline bool acpi_driver_match_device(struct device *dev,
538 const struct device_driver *drv)
539 {
540 return false;
541 }
542
543 static inline int acpi_device_uevent_modalias(struct device *dev,
544 struct kobj_uevent_env *env)
545 {
546 return -ENODEV;
547 }
548
549 static inline int acpi_device_modalias(struct device *dev,
550 char *buf, int size)
551 {
552 return -ENODEV;
553 }
554
555 #define ACPI_PTR(_ptr) (NULL)
556
557 #endif /* !CONFIG_ACPI */
558
559 #ifdef CONFIG_ACPI
560 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
561 u32 pm1a_ctrl, u32 pm1b_ctrl));
562
563 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
564 u32 pm1a_control, u32 pm1b_control);
565
566 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
567 u32 val_a, u32 val_b));
568
569 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
570 u32 val_a, u32 val_b);
571
572 #ifdef CONFIG_X86
573 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
574 #else
575 static inline void arch_reserve_mem_area(acpi_physical_address addr,
576 size_t size)
577 {
578 }
579 #endif /* CONFIG_X86 */
580 #else
581 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
582 #endif
583
584 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
585 int acpi_dev_runtime_suspend(struct device *dev);
586 int acpi_dev_runtime_resume(struct device *dev);
587 int acpi_subsys_runtime_suspend(struct device *dev);
588 int acpi_subsys_runtime_resume(struct device *dev);
589 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
590 int acpi_dev_pm_attach(struct device *dev, bool power_on);
591 #else
592 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
593 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
594 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
595 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
596 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
597 {
598 return NULL;
599 }
600 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
601 {
602 return -ENODEV;
603 }
604 #endif
605
606 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
607 int acpi_dev_suspend_late(struct device *dev);
608 int acpi_dev_resume_early(struct device *dev);
609 int acpi_subsys_prepare(struct device *dev);
610 void acpi_subsys_complete(struct device *dev);
611 int acpi_subsys_suspend_late(struct device *dev);
612 int acpi_subsys_resume_early(struct device *dev);
613 int acpi_subsys_suspend(struct device *dev);
614 int acpi_subsys_freeze(struct device *dev);
615 #else
616 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
617 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
618 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
619 static inline void acpi_subsys_complete(struct device *dev) {}
620 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
621 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
622 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
623 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
624 #endif
625
626 #ifdef CONFIG_ACPI
627 __printf(3, 4)
628 void acpi_handle_printk(const char *level, acpi_handle handle,
629 const char *fmt, ...);
630 #else /* !CONFIG_ACPI */
631 static inline __printf(3, 4) void
632 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
633 #endif /* !CONFIG_ACPI */
634
635 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
636 __printf(3, 4)
637 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
638 #else
639 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
640 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
641 #endif
642
643 /*
644 * acpi_handle_<level>: Print message with ACPI prefix and object path
645 *
646 * These interfaces acquire the global namespace mutex to obtain an object
647 * path. In interrupt context, it shows the object path as <n/a>.
648 */
649 #define acpi_handle_emerg(handle, fmt, ...) \
650 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
651 #define acpi_handle_alert(handle, fmt, ...) \
652 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
653 #define acpi_handle_crit(handle, fmt, ...) \
654 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
655 #define acpi_handle_err(handle, fmt, ...) \
656 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
657 #define acpi_handle_warn(handle, fmt, ...) \
658 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
659 #define acpi_handle_notice(handle, fmt, ...) \
660 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
661 #define acpi_handle_info(handle, fmt, ...) \
662 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
663
664 #if defined(DEBUG)
665 #define acpi_handle_debug(handle, fmt, ...) \
666 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
667 #else
668 #if defined(CONFIG_DYNAMIC_DEBUG)
669 #define acpi_handle_debug(handle, fmt, ...) \
670 do { \
671 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
672 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
673 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
674 ##__VA_ARGS__); \
675 } while (0)
676 #else
677 #define acpi_handle_debug(handle, fmt, ...) \
678 ({ \
679 if (0) \
680 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
681 0; \
682 })
683 #endif
684 #endif
685
686 struct acpi_gpio_params {
687 unsigned int crs_entry_index;
688 unsigned int line_index;
689 bool active_low;
690 };
691
692 struct acpi_gpio_mapping {
693 const char *name;
694 const struct acpi_gpio_params *data;
695 unsigned int size;
696 };
697
698 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
699 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
700 const struct acpi_gpio_mapping *gpios);
701
702 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
703 {
704 if (adev)
705 adev->driver_gpios = NULL;
706 }
707 #else
708 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
709 const struct acpi_gpio_mapping *gpios)
710 {
711 return -ENXIO;
712 }
713 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
714 #endif
715
716 /* Device properties */
717
718 #define MAX_ACPI_REFERENCE_ARGS 8
719 struct acpi_reference_args {
720 struct acpi_device *adev;
721 size_t nargs;
722 u64 args[MAX_ACPI_REFERENCE_ARGS];
723 };
724
725 #ifdef CONFIG_ACPI
726 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
727 acpi_object_type type, const union acpi_object **obj);
728 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
729 acpi_object_type type,
730 const union acpi_object **obj);
731 int acpi_dev_get_property_reference(struct acpi_device *adev,
732 const char *name, size_t index,
733 struct acpi_reference_args *args);
734
735 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
736 void **valptr);
737 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
738 enum dev_prop_type proptype, void *val);
739 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
740 enum dev_prop_type proptype, void *val, size_t nval);
741
742 struct acpi_device *acpi_get_next_child(struct device *dev,
743 struct acpi_device *child);
744 #else
745 static inline int acpi_dev_get_property(struct acpi_device *adev,
746 const char *name, acpi_object_type type,
747 const union acpi_object **obj)
748 {
749 return -ENXIO;
750 }
751 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
752 const char *name,
753 acpi_object_type type,
754 const union acpi_object **obj)
755 {
756 return -ENXIO;
757 }
758 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
759 const char *name, const char *cells_name,
760 size_t index, struct acpi_reference_args *args)
761 {
762 return -ENXIO;
763 }
764
765 static inline int acpi_dev_prop_get(struct acpi_device *adev,
766 const char *propname,
767 void **valptr)
768 {
769 return -ENXIO;
770 }
771
772 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
773 const char *propname,
774 enum dev_prop_type proptype,
775 void *val)
776 {
777 return -ENXIO;
778 }
779
780 static inline int acpi_dev_prop_read(struct acpi_device *adev,
781 const char *propname,
782 enum dev_prop_type proptype,
783 void *val, size_t nval)
784 {
785 return -ENXIO;
786 }
787
788 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
789 struct acpi_device *child)
790 {
791 return NULL;
792 }
793
794 #endif
795
796 #endif /*_LINUX_ACPI_H*/
Linux kernel - Deliverables
This page took 0.066801 seconds and 6 git commands to generate.