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6588 serge 1
/*
2
 * acpi.h - ACPI Interface
3
 *
4
 * Copyright (C) 2001 Paul Diefenbaugh 
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 
25
#include 	/* for struct resource */
26
#include 
27
#include 
28
#include 
29
 
30
#ifndef _LINUX
31
#define _LINUX
32
#endif
33
#include 
34
 
35
#ifdef	CONFIG_ACPI
36
 
37
#include 
38
#include 
39
#include 
6936 serge 40
#include 
41
#include 
6588 serge 42
 
43
#include 
44
#include 
45
#include 
46
#include 
47
#include 
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
#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
125
void acpi_initrd_override(void *data, size_t size);
126
#else
127
static inline void acpi_initrd_override(void *data, size_t size)
128
{
129
}
130
#endif
131
 
132
#define BAD_MADT_ENTRY(entry, end) (					    \
133
		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
134
		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
135
 
136
struct acpi_subtable_proc {
137
	int id;
138
	acpi_tbl_entry_handler handler;
139
	int count;
140
};
141
 
142
char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
143
void __acpi_unmap_table(char *map, unsigned long size);
144
int early_acpi_boot_init(void);
145
int acpi_boot_init (void);
146
void acpi_boot_table_init (void);
147
int acpi_mps_check (void);
148
int acpi_numa_init (void);
149
 
150
int acpi_table_init (void);
151
int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
152
int __init acpi_parse_entries(char *id, unsigned long table_size,
153
			      acpi_tbl_entry_handler handler,
154
			      struct acpi_table_header *table_header,
155
			      int entry_id, unsigned int max_entries);
156
int __init acpi_table_parse_entries(char *id, unsigned long table_size,
157
			      int entry_id,
158
			      acpi_tbl_entry_handler handler,
159
			      unsigned int max_entries);
160
int __init acpi_table_parse_entries(char *id, unsigned long table_size,
161
			      int entry_id,
162
			      acpi_tbl_entry_handler handler,
163
			      unsigned int max_entries);
164
int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
165
			      struct acpi_subtable_proc *proc, int proc_num,
166
			      unsigned int max_entries);
167
int acpi_table_parse_madt(enum acpi_madt_type id,
168
			  acpi_tbl_entry_handler handler,
169
			  unsigned int max_entries);
170
int acpi_parse_mcfg (struct acpi_table_header *header);
171
void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
172
 
173
/* the following four functions are architecture-dependent */
174
void acpi_numa_slit_init (struct acpi_table_slit *slit);
175
void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
176
void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
177
int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
178
void acpi_numa_arch_fixup(void);
179
 
180
#ifndef PHYS_CPUID_INVALID
181
typedef u32 phys_cpuid_t;
182
#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
183
#endif
184
 
185
static inline bool invalid_logical_cpuid(u32 cpuid)
186
{
187
	return (int)cpuid < 0;
188
}
189
 
190
static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
191
{
192
	return phys_id == PHYS_CPUID_INVALID;
193
}
194
 
195
#ifdef CONFIG_ACPI_HOTPLUG_CPU
196
/* Arch dependent functions for cpu hotplug support */
197
int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
198
int acpi_unmap_cpu(int cpu);
199
#endif /* CONFIG_ACPI_HOTPLUG_CPU */
200
 
201
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
202
int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
203
#endif
204
 
205
int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
206
int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
207
int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
208
void acpi_irq_stats_init(void);
209
extern u32 acpi_irq_handled;
210
extern u32 acpi_irq_not_handled;
211
extern unsigned int acpi_sci_irq;
212
#define INVALID_ACPI_IRQ	((unsigned)-1)
213
static inline bool acpi_sci_irq_valid(void)
214
{
215
	return acpi_sci_irq != INVALID_ACPI_IRQ;
216
}
217
 
218
extern int sbf_port;
219
extern unsigned long acpi_realmode_flags;
220
 
221
int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
222
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
223
int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
224
 
225
void acpi_set_irq_model(enum acpi_irq_model_id model,
226
			struct fwnode_handle *fwnode);
227
 
228
#ifdef CONFIG_X86_IO_APIC
229
extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
230
#else
231
#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
232
#endif
233
/*
234
 * This function undoes the effect of one call to acpi_register_gsi().
235
 * If this matches the last registration, any IRQ resources for gsi
236
 * are freed.
237
 */
238
void acpi_unregister_gsi (u32 gsi);
239
 
240
struct pci_dev;
241
 
242
int acpi_pci_irq_enable (struct pci_dev *dev);
243
void acpi_penalize_isa_irq(int irq, int active);
244
bool acpi_isa_irq_available(int irq);
245
void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
246
void acpi_pci_irq_disable (struct pci_dev *dev);
247
 
248
extern int ec_read(u8 addr, u8 *val);
249
extern int ec_write(u8 addr, u8 val);
250
extern int ec_transaction(u8 command,
251
                          const u8 *wdata, unsigned wdata_len,
252
                          u8 *rdata, unsigned rdata_len);
253
extern acpi_handle ec_get_handle(void);
254
 
255
extern bool acpi_is_pnp_device(struct acpi_device *);
256
 
257
#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
258
 
259
typedef void (*wmi_notify_handler) (u32 value, void *context);
260
 
261
extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
262
					u32 method_id,
263
					const struct acpi_buffer *in,
264
					struct acpi_buffer *out);
265
extern acpi_status wmi_query_block(const char *guid, u8 instance,
266
					struct acpi_buffer *out);
267
extern acpi_status wmi_set_block(const char *guid, u8 instance,
268
					const struct acpi_buffer *in);
269
extern acpi_status wmi_install_notify_handler(const char *guid,
270
					wmi_notify_handler handler, void *data);
271
extern acpi_status wmi_remove_notify_handler(const char *guid);
272
extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
273
extern bool wmi_has_guid(const char *guid);
274
 
275
#endif	/* CONFIG_ACPI_WMI */
276
 
277
#define ACPI_VIDEO_OUTPUT_SWITCHING			0x0001
278
#define ACPI_VIDEO_DEVICE_POSTING			0x0002
279
#define ACPI_VIDEO_ROM_AVAILABLE			0x0004
280
#define ACPI_VIDEO_BACKLIGHT				0x0008
281
#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR		0x0010
282
#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO		0x0020
283
#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR	0x0040
284
#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO		0x0080
285
#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR			0x0100
286
#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO			0x0200
287
#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR		0x0400
288
#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO		0x0800
289
 
290
extern char acpi_video_backlight_string[];
291
extern long acpi_is_video_device(acpi_handle handle);
292
extern int acpi_blacklisted(void);
293
extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
294
extern void acpi_osi_setup(char *str);
295
extern bool acpi_osi_is_win8(void);
296
 
297
#ifdef CONFIG_ACPI_NUMA
298
int acpi_map_pxm_to_online_node(int pxm);
299
int acpi_get_node(acpi_handle handle);
300
#else
301
static inline int acpi_map_pxm_to_online_node(int pxm)
302
{
303
	return 0;
304
}
305
static inline int acpi_get_node(acpi_handle handle)
306
{
307
	return 0;
308
}
309
#endif
310
extern int acpi_paddr_to_node(u64 start_addr, u64 size);
311
 
312
extern int pnpacpi_disabled;
313
 
314
#define PXM_INVAL	(-1)
315
 
316
bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
317
bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
318
bool acpi_dev_resource_address_space(struct acpi_resource *ares,
319
				     struct resource_win *win);
320
bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
321
					 struct resource_win *win);
322
unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
6936 serge 323
unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
6588 serge 324
bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
325
				 struct resource *res);
326
 
327
void acpi_dev_free_resource_list(struct list_head *list);
328
int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
329
			   int (*preproc)(struct acpi_resource *, void *),
330
			   void *preproc_data);
331
int acpi_dev_filter_resource_type(struct acpi_resource *ares,
332
				  unsigned long types);
333
 
334
static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
335
						   void *arg)
336
{
337
	return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
338
}
339
 
340
int acpi_check_resource_conflict(const struct resource *res);
341
 
342
int acpi_check_region(resource_size_t start, resource_size_t n,
343
		      const char *name);
344
 
345
int acpi_resources_are_enforced(void);
346
 
347
#ifdef CONFIG_HIBERNATION
348
void __init acpi_no_s4_hw_signature(void);
349
#endif
350
 
351
#ifdef CONFIG_PM_SLEEP
352
void __init acpi_old_suspend_ordering(void);
353
void __init acpi_nvs_nosave(void);
354
void __init acpi_nvs_nosave_s3(void);
355
#endif /* CONFIG_PM_SLEEP */
356
 
357
struct acpi_osc_context {
358
	char *uuid_str;			/* UUID string */
359
	int rev;
360
	struct acpi_buffer cap;		/* list of DWORD capabilities */
361
	struct acpi_buffer ret;		/* free by caller if success */
362
};
363
 
364
acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
365
acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
366
 
367
/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
368
#define OSC_QUERY_DWORD				0	/* DWORD 1 */
369
#define OSC_SUPPORT_DWORD			1	/* DWORD 2 */
370
#define OSC_CONTROL_DWORD			2	/* DWORD 3 */
371
 
372
/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
373
#define OSC_QUERY_ENABLE			0x00000001  /* input */
374
#define OSC_REQUEST_ERROR			0x00000002  /* return */
375
#define OSC_INVALID_UUID_ERROR			0x00000004  /* return */
376
#define OSC_INVALID_REVISION_ERROR		0x00000008  /* return */
377
#define OSC_CAPABILITIES_MASK_ERROR		0x00000010  /* return */
378
 
379
/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
380
#define OSC_SB_PAD_SUPPORT			0x00000001
381
#define OSC_SB_PPC_OST_SUPPORT			0x00000002
382
#define OSC_SB_PR3_SUPPORT			0x00000004
383
#define OSC_SB_HOTPLUG_OST_SUPPORT		0x00000008
384
#define OSC_SB_APEI_SUPPORT			0x00000010
385
#define OSC_SB_CPC_SUPPORT			0x00000020
386
 
387
extern bool osc_sb_apei_support_acked;
388
 
389
/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
390
#define OSC_PCI_EXT_CONFIG_SUPPORT		0x00000001
391
#define OSC_PCI_ASPM_SUPPORT			0x00000002
392
#define OSC_PCI_CLOCK_PM_SUPPORT		0x00000004
393
#define OSC_PCI_SEGMENT_GROUPS_SUPPORT		0x00000008
394
#define OSC_PCI_MSI_SUPPORT			0x00000010
395
#define OSC_PCI_SUPPORT_MASKS			0x0000001f
396
 
397
/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
398
#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL	0x00000001
399
#define OSC_PCI_SHPC_NATIVE_HP_CONTROL		0x00000002
400
#define OSC_PCI_EXPRESS_PME_CONTROL		0x00000004
401
#define OSC_PCI_EXPRESS_AER_CONTROL		0x00000008
402
#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL	0x00000010
403
#define OSC_PCI_CONTROL_MASKS			0x0000001f
404
 
405
#define ACPI_GSB_ACCESS_ATTRIB_QUICK		0x00000002
406
#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
407
#define ACPI_GSB_ACCESS_ATTRIB_BYTE		0x00000006
408
#define ACPI_GSB_ACCESS_ATTRIB_WORD		0x00000008
409
#define ACPI_GSB_ACCESS_ATTRIB_BLOCK		0x0000000A
410
#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE	0x0000000B
411
#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL	0x0000000C
412
#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL	0x0000000D
413
#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES	0x0000000E
414
#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS	0x0000000F
415
 
416
extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
417
					     u32 *mask, u32 req);
418
 
419
/* Enable _OST when all relevant hotplug operations are enabled */
420
#if defined(CONFIG_ACPI_HOTPLUG_CPU) &&			\
421
	defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&		\
422
	defined(CONFIG_ACPI_CONTAINER)
423
#define ACPI_HOTPLUG_OST
424
#endif
425
 
426
/* _OST Source Event Code (OSPM Action) */
427
#define ACPI_OST_EC_OSPM_SHUTDOWN		0x100
428
#define ACPI_OST_EC_OSPM_EJECT			0x103
429
#define ACPI_OST_EC_OSPM_INSERTION		0x200
430
 
431
/* _OST General Processing Status Code */
432
#define ACPI_OST_SC_SUCCESS			0x0
433
#define ACPI_OST_SC_NON_SPECIFIC_FAILURE	0x1
434
#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY		0x2
435
 
436
/* _OST OS Shutdown Processing (0x100) Status Code */
437
#define ACPI_OST_SC_OS_SHUTDOWN_DENIED		0x80
438
#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS	0x81
439
#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED	0x82
440
#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED	0x83
441
 
442
/* _OST Ejection Request (0x3, 0x103) Status Code */
443
#define ACPI_OST_SC_EJECT_NOT_SUPPORTED		0x80
444
#define ACPI_OST_SC_DEVICE_IN_USE		0x81
445
#define ACPI_OST_SC_DEVICE_BUSY			0x82
446
#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY	0x83
447
#define ACPI_OST_SC_EJECT_IN_PROGRESS		0x84
448
 
449
/* _OST Insertion Request (0x200) Status Code */
450
#define ACPI_OST_SC_INSERT_IN_PROGRESS		0x80
451
#define ACPI_OST_SC_DRIVER_LOAD_FAILURE		0x81
452
#define ACPI_OST_SC_INSERT_NOT_SUPPORTED	0x82
453
 
454
extern void acpi_early_init(void);
455
extern void acpi_subsystem_init(void);
456
 
457
extern int acpi_nvs_register(__u64 start, __u64 size);
458
 
459
extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
460
				    void *data);
461
 
462
const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
463
					       const struct device *dev);
464
 
465
extern bool acpi_driver_match_device(struct device *dev,
466
				     const struct device_driver *drv);
467
int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
468
int acpi_device_modalias(struct device *, char *, int);
469
void acpi_walk_dep_device_list(acpi_handle handle);
470
 
471
struct platform_device *acpi_create_platform_device(struct acpi_device *);
472
#define ACPI_PTR(_ptr)	(_ptr)
473
 
474
#else	/* !CONFIG_ACPI */
475
 
476
#define acpi_disabled 1
477
 
478
#define ACPI_COMPANION(dev)		(NULL)
479
#define ACPI_COMPANION_SET(dev, adev)	do { } while (0)
480
#define ACPI_HANDLE(dev)		(NULL)
481
#define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (0), .cls_msk = (0),
482
 
483
struct fwnode_handle;
484
 
485
static inline bool is_acpi_node(struct fwnode_handle *fwnode)
486
{
487
	return false;
488
}
489
 
490
static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
491
{
492
	return false;
493
}
494
 
495
static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
496
{
497
	return NULL;
498
}
499
 
500
static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
501
{
502
	return false;
503
}
504
 
505
static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
506
{
507
	return NULL;
508
}
509
 
510
static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
511
{
512
	return NULL;
513
}
514
 
515
static inline bool has_acpi_companion(struct device *dev)
516
{
517
	return false;
518
}
519
 
520
static inline void acpi_preset_companion(struct device *dev,
521
					 struct acpi_device *parent, u64 addr)
522
{
523
}
524
 
525
static inline const char *acpi_dev_name(struct acpi_device *adev)
526
{
527
	return NULL;
528
}
529
 
530
static inline void acpi_early_init(void) { }
531
static inline void acpi_subsystem_init(void) { }
532
 
533
static inline int early_acpi_boot_init(void)
534
{
535
	return 0;
536
}
537
static inline int acpi_boot_init(void)
538
{
539
	return 0;
540
}
541
 
542
static inline void acpi_boot_table_init(void)
543
{
544
	return;
545
}
546
 
547
static inline int acpi_mps_check(void)
548
{
549
	return 0;
550
}
551
 
552
static inline int acpi_check_resource_conflict(struct resource *res)
553
{
554
	return 0;
555
}
556
 
557
static inline int acpi_check_region(resource_size_t start, resource_size_t n,
558
				    const char *name)
559
{
560
	return 0;
561
}
562
 
563
struct acpi_table_header;
564
static inline int acpi_table_parse(char *id,
565
				int (*handler)(struct acpi_table_header *))
566
{
567
	return -ENODEV;
568
}
569
 
570
static inline int acpi_nvs_register(__u64 start, __u64 size)
571
{
572
	return 0;
573
}
574
 
575
static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
576
					   void *data)
577
{
578
	return 0;
579
}
580
 
581
struct acpi_device_id;
582
 
583
static inline const struct acpi_device_id *acpi_match_device(
584
	const struct acpi_device_id *ids, const struct device *dev)
585
{
586
	return NULL;
587
}
588
 
589
static inline bool acpi_driver_match_device(struct device *dev,
590
					    const struct device_driver *drv)
591
{
592
	return false;
593
}
594
 
595
static inline int acpi_device_uevent_modalias(struct device *dev,
596
				struct kobj_uevent_env *env)
597
{
598
	return -ENODEV;
599
}
600
 
601
static inline int acpi_device_modalias(struct device *dev,
602
				char *buf, int size)
603
{
604
	return -ENODEV;
605
}
606
 
607
static inline bool acpi_dma_supported(struct acpi_device *adev)
608
{
609
	return false;
610
}
611
 
612
static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
613
{
614
	return DEV_DMA_NOT_SUPPORTED;
615
}
616
 
617
#define ACPI_PTR(_ptr)	(NULL)
618
 
619
#endif	/* !CONFIG_ACPI */
620
 
621
#ifdef CONFIG_ACPI
622
void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
623
			       u32 pm1a_ctrl,  u32 pm1b_ctrl));
624
 
625
acpi_status acpi_os_prepare_sleep(u8 sleep_state,
626
				  u32 pm1a_control, u32 pm1b_control);
627
 
628
void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
629
				        u32 val_a,  u32 val_b));
630
 
631
acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
632
					   u32 val_a, u32 val_b);
633
 
634
#ifdef CONFIG_X86
635
void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
636
#else
637
static inline void arch_reserve_mem_area(acpi_physical_address addr,
638
					  size_t size)
639
{
640
}
641
#endif /* CONFIG_X86 */
642
#else
643
#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
644
#endif
645
 
646
#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
647
int acpi_dev_runtime_suspend(struct device *dev);
648
int acpi_dev_runtime_resume(struct device *dev);
649
int acpi_subsys_runtime_suspend(struct device *dev);
650
int acpi_subsys_runtime_resume(struct device *dev);
651
struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
652
int acpi_dev_pm_attach(struct device *dev, bool power_on);
653
#else
654
static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
655
static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
656
static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
657
static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
658
static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
659
{
660
	return NULL;
661
}
662
static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
663
{
664
	return -ENODEV;
665
}
666
#endif
667
 
668
#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
669
int acpi_dev_suspend_late(struct device *dev);
670
int acpi_dev_resume_early(struct device *dev);
671
int acpi_subsys_prepare(struct device *dev);
672
void acpi_subsys_complete(struct device *dev);
673
int acpi_subsys_suspend_late(struct device *dev);
674
int acpi_subsys_resume_early(struct device *dev);
675
int acpi_subsys_suspend(struct device *dev);
676
int acpi_subsys_freeze(struct device *dev);
677
#else
678
static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
679
static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
680
static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
681
static inline void acpi_subsys_complete(struct device *dev) {}
682
static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
683
static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
684
static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
685
static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
686
#endif
687
 
688
#ifdef CONFIG_ACPI
689
__printf(3, 4)
690
void acpi_handle_printk(const char *level, acpi_handle handle,
691
			const char *fmt, ...);
692
#else	/* !CONFIG_ACPI */
693
static inline __printf(3, 4) void
694
acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
695
#endif	/* !CONFIG_ACPI */
696
 
697
#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
698
__printf(3, 4)
699
void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
700
#else
701
#define __acpi_handle_debug(descriptor, handle, fmt, ...)		\
702
	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
703
#endif
704
 
705
/*
706
 * acpi_handle_: Print message with ACPI prefix and object path
707
 *
708
 * These interfaces acquire the global namespace mutex to obtain an object
709
 * path.  In interrupt context, it shows the object path as .
710
 */
711
#define acpi_handle_emerg(handle, fmt, ...)				\
712
	acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
713
#define acpi_handle_alert(handle, fmt, ...)				\
714
	acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
715
#define acpi_handle_crit(handle, fmt, ...)				\
716
	acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
717
#define acpi_handle_err(handle, fmt, ...)				\
718
	acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
719
#define acpi_handle_warn(handle, fmt, ...)				\
720
	acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
721
#define acpi_handle_notice(handle, fmt, ...)				\
722
	acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
723
#define acpi_handle_info(handle, fmt, ...)				\
724
	acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
725
 
726
#if defined(DEBUG)
727
#define acpi_handle_debug(handle, fmt, ...)				\
728
	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
729
#else
730
#if defined(CONFIG_DYNAMIC_DEBUG)
731
#define acpi_handle_debug(handle, fmt, ...)				\
732
do {									\
733
	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
734
	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))		\
735
		__acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),	\
736
				##__VA_ARGS__);				\
737
} while (0)
738
#else
739
#define acpi_handle_debug(handle, fmt, ...)				\
740
({									\
741
	if (0)								\
742
		acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
743
	0;								\
744
})
745
#endif
746
#endif
747
 
748
struct acpi_gpio_params {
749
	unsigned int crs_entry_index;
750
	unsigned int line_index;
751
	bool active_low;
752
};
753
 
754
struct acpi_gpio_mapping {
755
	const char *name;
756
	const struct acpi_gpio_params *data;
757
	unsigned int size;
758
};
759
 
760
#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
761
int acpi_dev_add_driver_gpios(struct acpi_device *adev,
762
			      const struct acpi_gpio_mapping *gpios);
763
 
764
static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
765
{
766
	if (adev)
767
		adev->driver_gpios = NULL;
768
}
769
 
770
int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
771
#else
772
static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
773
			      const struct acpi_gpio_mapping *gpios)
774
{
775
	return -ENXIO;
776
}
777
static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
778
 
779
static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
780
{
781
	return -ENXIO;
782
}
783
#endif
784
 
785
/* Device properties */
786
 
787
#define MAX_ACPI_REFERENCE_ARGS	8
788
struct acpi_reference_args {
789
	struct acpi_device *adev;
790
	size_t nargs;
791
	u64 args[MAX_ACPI_REFERENCE_ARGS];
792
};
793
 
794
#ifdef CONFIG_ACPI
795
int acpi_dev_get_property(struct acpi_device *adev, const char *name,
796
			  acpi_object_type type, const union acpi_object **obj);
797
int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
798
				     const char *name, size_t index,
799
				     struct acpi_reference_args *args);
800
 
801
int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
802
		       void **valptr);
803
int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
804
			      enum dev_prop_type proptype, void *val);
805
int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
806
		        enum dev_prop_type proptype, void *val, size_t nval);
807
int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
808
		       enum dev_prop_type proptype, void *val, size_t nval);
809
 
810
struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
811
					    struct fwnode_handle *subnode);
812
 
813
struct acpi_probe_entry;
814
typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
815
						 struct acpi_probe_entry *);
816
 
817
#define ACPI_TABLE_ID_LEN	5
818
 
819
/**
820
 * struct acpi_probe_entry - boot-time probing entry
821
 * @id:			ACPI table name
822
 * @type:		Optional subtable type to match
823
 *			(if @id contains subtables)
824
 * @subtable_valid:	Optional callback to check the validity of
825
 *			the subtable
826
 * @probe_table:	Callback to the driver being probed when table
827
 *			match is successful
828
 * @probe_subtbl:	Callback to the driver being probed when table and
829
 *			subtable match (and optional callback is successful)
830
 * @driver_data:	Sideband data provided back to the driver
831
 */
832
struct acpi_probe_entry {
833
	__u8 id[ACPI_TABLE_ID_LEN];
834
	__u8 type;
835
	acpi_probe_entry_validate_subtbl subtable_valid;
836
	union {
837
		acpi_tbl_table_handler probe_table;
838
		acpi_tbl_entry_handler probe_subtbl;
839
	};
840
	kernel_ulong_t driver_data;
841
};
842
 
843
#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)	\
844
	static const struct acpi_probe_entry __acpi_probe_##name	\
845
		__used __section(__##table##_acpi_probe_table)		\
846
		 = {							\
847
			.id = table_id,					\
848
			.type = subtable,				\
849
			.subtable_valid = valid,			\
850
			.probe_table = (acpi_tbl_table_handler)fn,	\
851
			.driver_data = data, 				\
852
		   }
853
 
854
#define ACPI_PROBE_TABLE(name)		__##name##_acpi_probe_table
855
#define ACPI_PROBE_TABLE_END(name)	__##name##_acpi_probe_table_end
856
 
857
int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
858
 
859
#define acpi_probe_device_table(t)					\
860
	({ 								\
861
		extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),	\
862
			                       ACPI_PROBE_TABLE_END(t);	\
863
		__acpi_probe_device_table(&ACPI_PROBE_TABLE(t),		\
864
					  (&ACPI_PROBE_TABLE_END(t) -	\
865
					   &ACPI_PROBE_TABLE(t)));	\
866
	})
867
#else
868
static inline int acpi_dev_get_property(struct acpi_device *adev,
869
					const char *name, acpi_object_type type,
870
					const union acpi_object **obj)
871
{
872
	return -ENXIO;
873
}
874
 
875
static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
876
				const char *name, size_t index,
877
				struct acpi_reference_args *args)
878
{
879
	return -ENXIO;
880
}
881
 
882
static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
883
				     const char *propname,
884
				     void **valptr)
885
{
886
	return -ENXIO;
887
}
888
 
889
static inline int acpi_dev_prop_get(struct acpi_device *adev,
890
				    const char *propname,
891
				    void **valptr)
892
{
893
	return -ENXIO;
894
}
895
 
896
static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
897
					    const char *propname,
898
					    enum dev_prop_type proptype,
899
					    void *val)
900
{
901
	return -ENXIO;
902
}
903
 
904
static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
905
				      const char *propname,
906
				      enum dev_prop_type proptype,
907
				      void *val, size_t nval)
908
{
909
	return -ENXIO;
910
}
911
 
912
static inline int acpi_dev_prop_read(struct acpi_device *adev,
913
				     const char *propname,
914
				     enum dev_prop_type proptype,
915
				     void *val, size_t nval)
916
{
917
	return -ENXIO;
918
}
919
 
920
static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
921
						struct fwnode_handle *subnode)
922
{
923
	return NULL;
924
}
925
 
6936 serge 926
#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
6588 serge 927
	static const void * __acpi_table_##name[]			\
928
		__attribute__((unused))					\
929
		 = { (void *) table_id,					\
930
		     (void *) subtable,					\
931
		     (void *) valid,					\
932
		     (void *) fn,					\
933
		     (void *) data }
934
 
935
#define acpi_probe_device_table(t)	({ int __r = 0; __r;})
936
#endif
937
 
938
#endif	/*_LINUX_ACPI_H*/