projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge remote-tracking branch 'input-current/for-linus'
[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 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
19 */
20
21 #ifndef _LINUX_ACPI_H
22 #define _LINUX_ACPI_H
23
24 #include <linux/errno.h>
25 #include <linux/ioport.h> /* for struct resource */
26 #include <linux/resource_ext.h>
27 #include <linux/device.h>
28 #include <linux/property.h>
29
30 #ifndef _LINUX
31 #define _LINUX
32 #endif
33 #include <acpi/acpi.h>
34
35 #ifdef CONFIG_ACPI
36
37 #include <linux/list.h>
38 #include <linux/mod_devicetable.h>
39 #include <linux/dynamic_debug.h>
40 #include <linux/module.h>
41 #include <linux/mutex.h>
42
43 #include <acpi/acpi_bus.h>
44 #include <acpi/acpi_drivers.h>
45 #include <acpi/acpi_numa.h>
46 #include <acpi/acpi_io.h>
47 #include <asm/acpi.h>
48
49 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
50 {
51 return adev ? adev->handle : NULL;
52 }
53
54 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
55 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
56 acpi_fwnode_handle(adev) : NULL)
57 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
58
59 /**
60 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
61 * the PCI-defined class-code information
62 *
63 * @_cls : the class, subclass, prog-if triple for this device
64 * @_msk : the class mask for this device
65 *
66 * This macro is used to create a struct acpi_device_id that matches a
67 * specific PCI class. The .id and .driver_data fields will be left
68 * initialized with the default value.
69 */
70 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
71
72 static inline bool has_acpi_companion(struct device *dev)
73 {
74 return is_acpi_device_node(dev->fwnode);
75 }
76
77 static inline void acpi_preset_companion(struct device *dev,
78 struct acpi_device *parent, u64 addr)
79 {
80 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
81 }
82
83 static inline const char *acpi_dev_name(struct acpi_device *adev)
84 {
85 return dev_name(&adev->dev);
86 }
87
88 enum acpi_irq_model_id {
89 ACPI_IRQ_MODEL_PIC = 0,
90 ACPI_IRQ_MODEL_IOAPIC,
91 ACPI_IRQ_MODEL_IOSAPIC,
92 ACPI_IRQ_MODEL_PLATFORM,
93 ACPI_IRQ_MODEL_GIC,
94 ACPI_IRQ_MODEL_COUNT
95 };
96
97 extern enum acpi_irq_model_id acpi_irq_model;
98
99 enum acpi_interrupt_id {
100 ACPI_INTERRUPT_PMI = 1,
101 ACPI_INTERRUPT_INIT,
102 ACPI_INTERRUPT_CPEI,
103 ACPI_INTERRUPT_COUNT
104 };
105
106 #define ACPI_SPACE_MEM 0
107
108 enum acpi_address_range_id {
109 ACPI_ADDRESS_RANGE_MEMORY = 1,
110 ACPI_ADDRESS_RANGE_RESERVED = 2,
111 ACPI_ADDRESS_RANGE_ACPI = 3,
112 ACPI_ADDRESS_RANGE_NVS = 4,
113 ACPI_ADDRESS_RANGE_COUNT
114 };
115
116
117 /* Table Handlers */
118
119 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
120
121 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
122 const unsigned long end);
123
124 /* Debugger support */
125
126 struct acpi_debugger_ops {
127 int (*create_thread)(acpi_osd_exec_callback function, void *context);
128 ssize_t (*write_log)(const char *msg);
129 ssize_t (*read_cmd)(char *buffer, size_t length);
130 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
131 int (*notify_command_complete)(void);
132 };
133
134 struct acpi_debugger {
135 const struct acpi_debugger_ops *ops;
136 struct module *owner;
137 struct mutex lock;
138 };
139
140 #ifdef CONFIG_ACPI_DEBUGGER
141 int __init acpi_debugger_init(void);
142 int acpi_register_debugger(struct module *owner,
143 const struct acpi_debugger_ops *ops);
144 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
145 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
146 ssize_t acpi_debugger_write_log(const char *msg);
147 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
148 int acpi_debugger_wait_command_ready(void);
149 int acpi_debugger_notify_command_complete(void);
150 #else
151 static inline int acpi_debugger_init(void)
152 {
153 return -ENODEV;
154 }
155
156 static inline int acpi_register_debugger(struct module *owner,
157 const struct acpi_debugger_ops *ops)
158 {
159 return -ENODEV;
160 }
161
162 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
163 {
164 }
165
166 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
167 void *context)
168 {
169 return -ENODEV;
170 }
171
172 static inline int acpi_debugger_write_log(const char *msg)
173 {
174 return -ENODEV;
175 }
176
177 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
178 {
179 return -ENODEV;
180 }
181
182 static inline int acpi_debugger_wait_command_ready(void)
183 {
184 return -ENODEV;
185 }
186
187 static inline int acpi_debugger_notify_command_complete(void)
188 {
189 return -ENODEV;
190 }
191 #endif
192
193 #define BAD_MADT_ENTRY(entry, end) ( \
194 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
195 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
196
197 struct acpi_subtable_proc {
198 int id;
199 acpi_tbl_entry_handler handler;
200 int count;
201 };
202
203 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
204 void __acpi_unmap_table(char *map, unsigned long size);
205 int early_acpi_boot_init(void);
206 int acpi_boot_init (void);
207 void acpi_boot_table_init (void);
208 int acpi_mps_check (void);
209 int acpi_numa_init (void);
210
211 int acpi_table_init (void);
212 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
213 int __init acpi_parse_entries(char *id, unsigned long table_size,
214 acpi_tbl_entry_handler handler,
215 struct acpi_table_header *table_header,
216 int entry_id, unsigned int max_entries);
217 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
218 int entry_id,
219 acpi_tbl_entry_handler handler,
220 unsigned int max_entries);
221 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
222 int entry_id,
223 acpi_tbl_entry_handler handler,
224 unsigned int max_entries);
225 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
226 struct acpi_subtable_proc *proc, int proc_num,
227 unsigned int max_entries);
228 int acpi_table_parse_madt(enum acpi_madt_type id,
229 acpi_tbl_entry_handler handler,
230 unsigned int max_entries);
231 int acpi_parse_mcfg (struct acpi_table_header *header);
232 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
233
234 /* the following numa functions are architecture-dependent */
235 void acpi_numa_slit_init (struct acpi_table_slit *slit);
236
237 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
238 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
239 #else
240 static inline void
241 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
242 #endif
243
244 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
245
246 #ifdef CONFIG_ARM64
247 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
248 #else
249 static inline void
250 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
251 #endif
252
253 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
254
255 #ifndef PHYS_CPUID_INVALID
256 typedef u32 phys_cpuid_t;
257 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
258 #endif
259
260 static inline bool invalid_logical_cpuid(u32 cpuid)
261 {
262 return (int)cpuid < 0;
263 }
264
265 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
266 {
267 return phys_id == PHYS_CPUID_INVALID;
268 }
269
270 #ifdef CONFIG_ACPI_HOTPLUG_CPU
271 /* Arch dependent functions for cpu hotplug support */
272 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
273 int acpi_unmap_cpu(int cpu);
274 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
275
276 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
277 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
278 #endif
279
280 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
281 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
282 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
283 void acpi_irq_stats_init(void);
284 extern u32 acpi_irq_handled;
285 extern u32 acpi_irq_not_handled;
286 extern unsigned int acpi_sci_irq;
287 extern bool acpi_no_s5;
288 #define INVALID_ACPI_IRQ ((unsigned)-1)
289 static inline bool acpi_sci_irq_valid(void)
290 {
291 return acpi_sci_irq != INVALID_ACPI_IRQ;
292 }
293
294 extern int sbf_port;
295 extern unsigned long acpi_realmode_flags;
296
297 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
298 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
299 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
300
301 void acpi_set_irq_model(enum acpi_irq_model_id model,
302 struct fwnode_handle *fwnode);
303
304 #ifdef CONFIG_X86_IO_APIC
305 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
306 #else
307 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
308 #endif
309 /*
310 * This function undoes the effect of one call to acpi_register_gsi().
311 * If this matches the last registration, any IRQ resources for gsi
312 * are freed.
313 */
314 void acpi_unregister_gsi (u32 gsi);
315
316 struct pci_dev;
317
318 int acpi_pci_irq_enable (struct pci_dev *dev);
319 void acpi_penalize_isa_irq(int irq, int active);
320 bool acpi_isa_irq_available(int irq);
321 void acpi_pci_irq_disable (struct pci_dev *dev);
322
323 extern int ec_read(u8 addr, u8 *val);
324 extern int ec_write(u8 addr, u8 val);
325 extern int ec_transaction(u8 command,
326 const u8 *wdata, unsigned wdata_len,
327 u8 *rdata, unsigned rdata_len);
328 extern acpi_handle ec_get_handle(void);
329
330 extern bool acpi_is_pnp_device(struct acpi_device *);
331
332 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
333
334 typedef void (*wmi_notify_handler) (u32 value, void *context);
335
336 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
337 u32 method_id,
338 const struct acpi_buffer *in,
339 struct acpi_buffer *out);
340 extern acpi_status wmi_query_block(const char *guid, u8 instance,
341 struct acpi_buffer *out);
342 extern acpi_status wmi_set_block(const char *guid, u8 instance,
343 const struct acpi_buffer *in);
344 extern acpi_status wmi_install_notify_handler(const char *guid,
345 wmi_notify_handler handler, void *data);
346 extern acpi_status wmi_remove_notify_handler(const char *guid);
347 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
348 extern bool wmi_has_guid(const char *guid);
349
350 #endif /* CONFIG_ACPI_WMI */
351
352 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
353 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
354 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
355 #define ACPI_VIDEO_BACKLIGHT 0x0008
356 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
357 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
358 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
359 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
360 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
361 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
362 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
363 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
364
365 extern char acpi_video_backlight_string[];
366 extern long acpi_is_video_device(acpi_handle handle);
367 extern int acpi_blacklisted(void);
368 extern void acpi_osi_setup(char *str);
369 extern bool acpi_osi_is_win8(void);
370
371 #ifdef CONFIG_ACPI_NUMA
372 int acpi_map_pxm_to_online_node(int pxm);
373 int acpi_get_node(acpi_handle handle);
374 #else
375 static inline int acpi_map_pxm_to_online_node(int pxm)
376 {
377 return 0;
378 }
379 static inline int acpi_get_node(acpi_handle handle)
380 {
381 return 0;
382 }
383 #endif
384 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
385
386 extern int pnpacpi_disabled;
387
388 #define PXM_INVAL (-1)
389
390 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
391 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
392 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
393 struct resource_win *win);
394 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
395 struct resource_win *win);
396 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
397 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
398 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
399 struct resource *res);
400
401 void acpi_dev_free_resource_list(struct list_head *list);
402 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
403 int (*preproc)(struct acpi_resource *, void *),
404 void *preproc_data);
405 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
406 unsigned long types);
407
408 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
409 void *arg)
410 {
411 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
412 }
413
414 int acpi_check_resource_conflict(const struct resource *res);
415
416 int acpi_check_region(resource_size_t start, resource_size_t n,
417 const char *name);
418
419 int acpi_resources_are_enforced(void);
420
421 #ifdef CONFIG_HIBERNATION
422 void __init acpi_no_s4_hw_signature(void);
423 #endif
424
425 #ifdef CONFIG_PM_SLEEP
426 void __init acpi_old_suspend_ordering(void);
427 void __init acpi_nvs_nosave(void);
428 void __init acpi_nvs_nosave_s3(void);
429 #endif /* CONFIG_PM_SLEEP */
430
431 struct acpi_osc_context {
432 char *uuid_str; /* UUID string */
433 int rev;
434 struct acpi_buffer cap; /* list of DWORD capabilities */
435 struct acpi_buffer ret; /* free by caller if success */
436 };
437
438 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
439 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
440
441 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
442 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
443 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
444 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
445
446 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
447 #define OSC_QUERY_ENABLE 0x00000001 /* input */
448 #define OSC_REQUEST_ERROR 0x00000002 /* return */
449 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
450 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
451 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
452
453 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
454 #define OSC_SB_PAD_SUPPORT 0x00000001
455 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
456 #define OSC_SB_PR3_SUPPORT 0x00000004
457 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
458 #define OSC_SB_APEI_SUPPORT 0x00000010
459 #define OSC_SB_CPC_SUPPORT 0x00000020
460 #define OSC_SB_CPCV2_SUPPORT 0x00000040
461 #define OSC_SB_PCLPI_SUPPORT 0x00000080
462 #define OSC_SB_OSLPI_SUPPORT 0x00000100
463
464 extern bool osc_sb_apei_support_acked;
465 extern bool osc_pc_lpi_support_confirmed;
466
467 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
468 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
469 #define OSC_PCI_ASPM_SUPPORT 0x00000002
470 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
471 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
472 #define OSC_PCI_MSI_SUPPORT 0x00000010
473 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
474
475 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
476 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
477 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
478 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
479 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
480 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
481 #define OSC_PCI_CONTROL_MASKS 0x0000001f
482
483 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
484 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
485 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
486 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
487 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
488 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
489 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
490 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
491 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
492 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
493
494 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
495 u32 *mask, u32 req);
496
497 /* Enable _OST when all relevant hotplug operations are enabled */
498 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
499 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
500 defined(CONFIG_ACPI_CONTAINER)
501 #define ACPI_HOTPLUG_OST
502 #endif
503
504 /* _OST Source Event Code (OSPM Action) */
505 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
506 #define ACPI_OST_EC_OSPM_EJECT 0x103
507 #define ACPI_OST_EC_OSPM_INSERTION 0x200
508
509 /* _OST General Processing Status Code */
510 #define ACPI_OST_SC_SUCCESS 0x0
511 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
512 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
513
514 /* _OST OS Shutdown Processing (0x100) Status Code */
515 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
516 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
517 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
518 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
519
520 /* _OST Ejection Request (0x3, 0x103) Status Code */
521 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
522 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
523 #define ACPI_OST_SC_DEVICE_BUSY 0x82
524 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
525 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
526
527 /* _OST Insertion Request (0x200) Status Code */
528 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
529 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
530 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
531
532 extern void acpi_early_init(void);
533 extern void acpi_subsystem_init(void);
534
535 extern int acpi_nvs_register(__u64 start, __u64 size);
536
537 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
538 void *data);
539
540 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
541 const struct device *dev);
542
543 extern bool acpi_driver_match_device(struct device *dev,
544 const struct device_driver *drv);
545 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
546 int acpi_device_modalias(struct device *, char *, int);
547 void acpi_walk_dep_device_list(acpi_handle handle);
548
549 struct platform_device *acpi_create_platform_device(struct acpi_device *);
550 #define ACPI_PTR(_ptr) (_ptr)
551
552 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
553 {
554 adev->flags.visited = true;
555 }
556
557 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
558 {
559 adev->flags.visited = false;
560 }
561
562 enum acpi_reconfig_event {
563 ACPI_RECONFIG_DEVICE_ADD = 0,
564 ACPI_RECONFIG_DEVICE_REMOVE,
565 };
566
567 int acpi_reconfig_notifier_register(struct notifier_block *nb);
568 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
569
570 #else /* !CONFIG_ACPI */
571
572 #define acpi_disabled 1
573
574 #define ACPI_COMPANION(dev) (NULL)
575 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
576 #define ACPI_HANDLE(dev) (NULL)
577 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
578
579 struct fwnode_handle;
580
581 static inline bool acpi_dev_found(const char *hid)
582 {
583 return false;
584 }
585
586 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
587 {
588 return false;
589 }
590
591 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
592 {
593 return false;
594 }
595
596 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
597 {
598 return NULL;
599 }
600
601 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
602 {
603 return false;
604 }
605
606 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
607 {
608 return NULL;
609 }
610
611 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
612 const char *name)
613 {
614 return false;
615 }
616
617 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
618 {
619 return NULL;
620 }
621
622 static inline bool has_acpi_companion(struct device *dev)
623 {
624 return false;
625 }
626
627 static inline void acpi_preset_companion(struct device *dev,
628 struct acpi_device *parent, u64 addr)
629 {
630 }
631
632 static inline const char *acpi_dev_name(struct acpi_device *adev)
633 {
634 return NULL;
635 }
636
637 static inline void acpi_early_init(void) { }
638 static inline void acpi_subsystem_init(void) { }
639
640 static inline int early_acpi_boot_init(void)
641 {
642 return 0;
643 }
644 static inline int acpi_boot_init(void)
645 {
646 return 0;
647 }
648
649 static inline void acpi_boot_table_init(void)
650 {
651 return;
652 }
653
654 static inline int acpi_mps_check(void)
655 {
656 return 0;
657 }
658
659 static inline int acpi_check_resource_conflict(struct resource *res)
660 {
661 return 0;
662 }
663
664 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
665 const char *name)
666 {
667 return 0;
668 }
669
670 struct acpi_table_header;
671 static inline int acpi_table_parse(char *id,
672 int (*handler)(struct acpi_table_header *))
673 {
674 return -ENODEV;
675 }
676
677 static inline int acpi_nvs_register(__u64 start, __u64 size)
678 {
679 return 0;
680 }
681
682 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
683 void *data)
684 {
685 return 0;
686 }
687
688 struct acpi_device_id;
689
690 static inline const struct acpi_device_id *acpi_match_device(
691 const struct acpi_device_id *ids, const struct device *dev)
692 {
693 return NULL;
694 }
695
696 static inline bool acpi_driver_match_device(struct device *dev,
697 const struct device_driver *drv)
698 {
699 return false;
700 }
701
702 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
703 const u8 *uuid,
704 int rev, int func,
705 union acpi_object *argv4)
706 {
707 return NULL;
708 }
709
710 static inline int acpi_device_uevent_modalias(struct device *dev,
711 struct kobj_uevent_env *env)
712 {
713 return -ENODEV;
714 }
715
716 static inline int acpi_device_modalias(struct device *dev,
717 char *buf, int size)
718 {
719 return -ENODEV;
720 }
721
722 static inline bool acpi_dma_supported(struct acpi_device *adev)
723 {
724 return false;
725 }
726
727 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
728 {
729 return DEV_DMA_NOT_SUPPORTED;
730 }
731
732 #define ACPI_PTR(_ptr) (NULL)
733
734 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
735 {
736 }
737
738 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
739 {
740 }
741
742 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
743 {
744 return -EINVAL;
745 }
746
747 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
748 {
749 return -EINVAL;
750 }
751
752 #endif /* !CONFIG_ACPI */
753
754 #ifdef CONFIG_ACPI
755 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
756 u32 pm1a_ctrl, u32 pm1b_ctrl));
757
758 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
759 u32 pm1a_control, u32 pm1b_control);
760
761 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
762 u32 val_a, u32 val_b));
763
764 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
765 u32 val_a, u32 val_b);
766
767 #ifdef CONFIG_X86
768 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
769 #else
770 static inline void arch_reserve_mem_area(acpi_physical_address addr,
771 size_t size)
772 {
773 }
774 #endif /* CONFIG_X86 */
775 #else
776 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
777 #endif
778
779 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
780 int acpi_dev_runtime_suspend(struct device *dev);
781 int acpi_dev_runtime_resume(struct device *dev);
782 int acpi_subsys_runtime_suspend(struct device *dev);
783 int acpi_subsys_runtime_resume(struct device *dev);
784 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
785 int acpi_dev_pm_attach(struct device *dev, bool power_on);
786 #else
787 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
788 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
789 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
790 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
791 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
792 {
793 return NULL;
794 }
795 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
796 {
797 return -ENODEV;
798 }
799 #endif
800
801 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
802 int acpi_dev_suspend_late(struct device *dev);
803 int acpi_dev_resume_early(struct device *dev);
804 int acpi_subsys_prepare(struct device *dev);
805 void acpi_subsys_complete(struct device *dev);
806 int acpi_subsys_suspend_late(struct device *dev);
807 int acpi_subsys_resume_early(struct device *dev);
808 int acpi_subsys_suspend(struct device *dev);
809 int acpi_subsys_freeze(struct device *dev);
810 #else
811 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
812 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
813 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
814 static inline void acpi_subsys_complete(struct device *dev) {}
815 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
816 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
817 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
818 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
819 #endif
820
821 #ifdef CONFIG_ACPI
822 __printf(3, 4)
823 void acpi_handle_printk(const char *level, acpi_handle handle,
824 const char *fmt, ...);
825 #else /* !CONFIG_ACPI */
826 static inline __printf(3, 4) void
827 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
828 #endif /* !CONFIG_ACPI */
829
830 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
831 __printf(3, 4)
832 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
833 #else
834 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
835 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
836 #endif
837
838 /*
839 * acpi_handle_<level>: Print message with ACPI prefix and object path
840 *
841 * These interfaces acquire the global namespace mutex to obtain an object
842 * path. In interrupt context, it shows the object path as <n/a>.
843 */
844 #define acpi_handle_emerg(handle, fmt, ...) \
845 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
846 #define acpi_handle_alert(handle, fmt, ...) \
847 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
848 #define acpi_handle_crit(handle, fmt, ...) \
849 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
850 #define acpi_handle_err(handle, fmt, ...) \
851 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
852 #define acpi_handle_warn(handle, fmt, ...) \
853 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
854 #define acpi_handle_notice(handle, fmt, ...) \
855 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
856 #define acpi_handle_info(handle, fmt, ...) \
857 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
858
859 #if defined(DEBUG)
860 #define acpi_handle_debug(handle, fmt, ...) \
861 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
862 #else
863 #if defined(CONFIG_DYNAMIC_DEBUG)
864 #define acpi_handle_debug(handle, fmt, ...) \
865 do { \
866 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
867 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
868 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
869 ##__VA_ARGS__); \
870 } while (0)
871 #else
872 #define acpi_handle_debug(handle, fmt, ...) \
873 ({ \
874 if (0) \
875 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
876 0; \
877 })
878 #endif
879 #endif
880
881 struct acpi_gpio_params {
882 unsigned int crs_entry_index;
883 unsigned int line_index;
884 bool active_low;
885 };
886
887 struct acpi_gpio_mapping {
888 const char *name;
889 const struct acpi_gpio_params *data;
890 unsigned int size;
891 };
892
893 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
894 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
895 const struct acpi_gpio_mapping *gpios);
896
897 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
898 {
899 if (adev)
900 adev->driver_gpios = NULL;
901 }
902
903 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
904 #else
905 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
906 const struct acpi_gpio_mapping *gpios)
907 {
908 return -ENXIO;
909 }
910 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
911
912 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
913 {
914 return -ENXIO;
915 }
916 #endif
917
918 /* Device properties */
919
920 #define MAX_ACPI_REFERENCE_ARGS 8
921 struct acpi_reference_args {
922 struct acpi_device *adev;
923 size_t nargs;
924 u64 args[MAX_ACPI_REFERENCE_ARGS];
925 };
926
927 #ifdef CONFIG_ACPI
928 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
929 acpi_object_type type, const union acpi_object **obj);
930 int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
931 const char *name, size_t index,
932 struct acpi_reference_args *args);
933
934 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
935 void **valptr);
936 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
937 enum dev_prop_type proptype, void *val);
938 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
939 enum dev_prop_type proptype, void *val, size_t nval);
940 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
941 enum dev_prop_type proptype, void *val, size_t nval);
942
943 struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
944 struct fwnode_handle *subnode);
945
946 struct acpi_probe_entry;
947 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
948 struct acpi_probe_entry *);
949
950 #define ACPI_TABLE_ID_LEN 5
951
952 /**
953 * struct acpi_probe_entry - boot-time probing entry
954 * @id: ACPI table name
955 * @type: Optional subtable type to match
956 * (if @id contains subtables)
957 * @subtable_valid: Optional callback to check the validity of
958 * the subtable
959 * @probe_table: Callback to the driver being probed when table
960 * match is successful
961 * @probe_subtbl: Callback to the driver being probed when table and
962 * subtable match (and optional callback is successful)
963 * @driver_data: Sideband data provided back to the driver
964 */
965 struct acpi_probe_entry {
966 __u8 id[ACPI_TABLE_ID_LEN];
967 __u8 type;
968 acpi_probe_entry_validate_subtbl subtable_valid;
969 union {
970 acpi_tbl_table_handler probe_table;
971 acpi_tbl_entry_handler probe_subtbl;
972 };
973 kernel_ulong_t driver_data;
974 };
975
976 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
977 static const struct acpi_probe_entry __acpi_probe_##name \
978 __used __section(__##table##_acpi_probe_table) \
979 = { \
980 .id = table_id, \
981 .type = subtable, \
982 .subtable_valid = valid, \
983 .probe_table = (acpi_tbl_table_handler)fn, \
984 .driver_data = data, \
985 }
986
987 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
988 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
989
990 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
991
992 #define acpi_probe_device_table(t) \
993 ({ \
994 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
995 ACPI_PROBE_TABLE_END(t); \
996 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
997 (&ACPI_PROBE_TABLE_END(t) - \
998 &ACPI_PROBE_TABLE(t))); \
999 })
1000 #else
1001 static inline int acpi_dev_get_property(struct acpi_device *adev,
1002 const char *name, acpi_object_type type,
1003 const union acpi_object **obj)
1004 {
1005 return -ENXIO;
1006 }
1007
1008 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1009 const char *name, size_t index,
1010 struct acpi_reference_args *args)
1011 {
1012 return -ENXIO;
1013 }
1014
1015 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
1016 const char *propname,
1017 void **valptr)
1018 {
1019 return -ENXIO;
1020 }
1021
1022 static inline int acpi_dev_prop_get(struct acpi_device *adev,
1023 const char *propname,
1024 void **valptr)
1025 {
1026 return -ENXIO;
1027 }
1028
1029 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
1030 const char *propname,
1031 enum dev_prop_type proptype,
1032 void *val)
1033 {
1034 return -ENXIO;
1035 }
1036
1037 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
1038 const char *propname,
1039 enum dev_prop_type proptype,
1040 void *val, size_t nval)
1041 {
1042 return -ENXIO;
1043 }
1044
1045 static inline int acpi_dev_prop_read(struct acpi_device *adev,
1046 const char *propname,
1047 enum dev_prop_type proptype,
1048 void *val, size_t nval)
1049 {
1050 return -ENXIO;
1051 }
1052
1053 static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
1054 struct fwnode_handle *subnode)
1055 {
1056 return NULL;
1057 }
1058
1059 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1060 static const void * __acpi_table_##name[] \
1061 __attribute__((unused)) \
1062 = { (void *) table_id, \
1063 (void *) subtable, \
1064 (void *) valid, \
1065 (void *) fn, \
1066 (void *) data }
1067
1068 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1069 #endif
1070
1071 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1072 void acpi_table_upgrade(void);
1073 #else
1074 static inline void acpi_table_upgrade(void) { }
1075 #endif
1076
1077 #endif /*_LINUX_ACPI_H*/
Linux kernel - Deliverables
This page took 0.05474 seconds and 6 git commands to generate.