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ACPI / NUMA: Move acpi_numa_arch_fixup() to ia64 only
[mirror_ubuntu-artful-kernel.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 void early_acpi_table_init(void *data, size_t size);
212 int acpi_table_init (void);
213 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
214 int __init acpi_parse_entries(char *id, unsigned long table_size,
215 acpi_tbl_entry_handler handler,
216 struct acpi_table_header *table_header,
217 int entry_id, unsigned int max_entries);
218 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
219 int entry_id,
220 acpi_tbl_entry_handler handler,
221 unsigned int max_entries);
222 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
223 int entry_id,
224 acpi_tbl_entry_handler handler,
225 unsigned int max_entries);
226 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
227 struct acpi_subtable_proc *proc, int proc_num,
228 unsigned int max_entries);
229 int acpi_table_parse_madt(enum acpi_madt_type id,
230 acpi_tbl_entry_handler handler,
231 unsigned int max_entries);
232 int acpi_parse_mcfg (struct acpi_table_header *header);
233 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
234
235 /* the following four functions are architecture-dependent */
236 void acpi_numa_slit_init (struct acpi_table_slit *slit);
237 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
238 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
239 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
240
241 #ifndef PHYS_CPUID_INVALID
242 typedef u32 phys_cpuid_t;
243 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
244 #endif
245
246 static inline bool invalid_logical_cpuid(u32 cpuid)
247 {
248 return (int)cpuid < 0;
249 }
250
251 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
252 {
253 return phys_id == PHYS_CPUID_INVALID;
254 }
255
256 #ifdef CONFIG_ACPI_HOTPLUG_CPU
257 /* Arch dependent functions for cpu hotplug support */
258 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
259 int acpi_unmap_cpu(int cpu);
260 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
261
262 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
263 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
264 #endif
265
266 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
267 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
268 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
269 void acpi_irq_stats_init(void);
270 extern u32 acpi_irq_handled;
271 extern u32 acpi_irq_not_handled;
272 extern unsigned int acpi_sci_irq;
273 extern bool acpi_no_s5;
274 #define INVALID_ACPI_IRQ ((unsigned)-1)
275 static inline bool acpi_sci_irq_valid(void)
276 {
277 return acpi_sci_irq != INVALID_ACPI_IRQ;
278 }
279
280 extern int sbf_port;
281 extern unsigned long acpi_realmode_flags;
282
283 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
284 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
285 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
286
287 void acpi_set_irq_model(enum acpi_irq_model_id model,
288 struct fwnode_handle *fwnode);
289
290 #ifdef CONFIG_X86_IO_APIC
291 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
292 #else
293 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
294 #endif
295 /*
296 * This function undoes the effect of one call to acpi_register_gsi().
297 * If this matches the last registration, any IRQ resources for gsi
298 * are freed.
299 */
300 void acpi_unregister_gsi (u32 gsi);
301
302 struct pci_dev;
303
304 int acpi_pci_irq_enable (struct pci_dev *dev);
305 void acpi_penalize_isa_irq(int irq, int active);
306 bool acpi_isa_irq_available(int irq);
307 void acpi_pci_irq_disable (struct pci_dev *dev);
308
309 extern int ec_read(u8 addr, u8 *val);
310 extern int ec_write(u8 addr, u8 val);
311 extern int ec_transaction(u8 command,
312 const u8 *wdata, unsigned wdata_len,
313 u8 *rdata, unsigned rdata_len);
314 extern acpi_handle ec_get_handle(void);
315
316 extern bool acpi_is_pnp_device(struct acpi_device *);
317
318 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
319
320 typedef void (*wmi_notify_handler) (u32 value, void *context);
321
322 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
323 u32 method_id,
324 const struct acpi_buffer *in,
325 struct acpi_buffer *out);
326 extern acpi_status wmi_query_block(const char *guid, u8 instance,
327 struct acpi_buffer *out);
328 extern acpi_status wmi_set_block(const char *guid, u8 instance,
329 const struct acpi_buffer *in);
330 extern acpi_status wmi_install_notify_handler(const char *guid,
331 wmi_notify_handler handler, void *data);
332 extern acpi_status wmi_remove_notify_handler(const char *guid);
333 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
334 extern bool wmi_has_guid(const char *guid);
335
336 #endif /* CONFIG_ACPI_WMI */
337
338 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
339 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
340 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
341 #define ACPI_VIDEO_BACKLIGHT 0x0008
342 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
343 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
344 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
345 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
346 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
347 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
348 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
349 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
350
351 extern char acpi_video_backlight_string[];
352 extern long acpi_is_video_device(acpi_handle handle);
353 extern int acpi_blacklisted(void);
354 extern void acpi_osi_setup(char *str);
355 extern bool acpi_osi_is_win8(void);
356
357 #ifdef CONFIG_ACPI_NUMA
358 int acpi_map_pxm_to_online_node(int pxm);
359 int acpi_get_node(acpi_handle handle);
360 #else
361 static inline int acpi_map_pxm_to_online_node(int pxm)
362 {
363 return 0;
364 }
365 static inline int acpi_get_node(acpi_handle handle)
366 {
367 return 0;
368 }
369 #endif
370 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
371
372 extern int pnpacpi_disabled;
373
374 #define PXM_INVAL (-1)
375
376 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
377 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
378 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
379 struct resource_win *win);
380 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
381 struct resource_win *win);
382 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
383 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
384 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
385 struct resource *res);
386
387 void acpi_dev_free_resource_list(struct list_head *list);
388 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
389 int (*preproc)(struct acpi_resource *, void *),
390 void *preproc_data);
391 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
392 unsigned long types);
393
394 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
395 void *arg)
396 {
397 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
398 }
399
400 int acpi_check_resource_conflict(const struct resource *res);
401
402 int acpi_check_region(resource_size_t start, resource_size_t n,
403 const char *name);
404
405 int acpi_resources_are_enforced(void);
406
407 #ifdef CONFIG_HIBERNATION
408 void __init acpi_no_s4_hw_signature(void);
409 #endif
410
411 #ifdef CONFIG_PM_SLEEP
412 void __init acpi_old_suspend_ordering(void);
413 void __init acpi_nvs_nosave(void);
414 void __init acpi_nvs_nosave_s3(void);
415 #endif /* CONFIG_PM_SLEEP */
416
417 struct acpi_osc_context {
418 char *uuid_str; /* UUID string */
419 int rev;
420 struct acpi_buffer cap; /* list of DWORD capabilities */
421 struct acpi_buffer ret; /* free by caller if success */
422 };
423
424 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
425 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
426
427 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
428 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
429 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
430 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
431
432 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
433 #define OSC_QUERY_ENABLE 0x00000001 /* input */
434 #define OSC_REQUEST_ERROR 0x00000002 /* return */
435 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
436 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
437 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
438
439 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
440 #define OSC_SB_PAD_SUPPORT 0x00000001
441 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
442 #define OSC_SB_PR3_SUPPORT 0x00000004
443 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
444 #define OSC_SB_APEI_SUPPORT 0x00000010
445 #define OSC_SB_CPC_SUPPORT 0x00000020
446
447 extern bool osc_sb_apei_support_acked;
448
449 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
450 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
451 #define OSC_PCI_ASPM_SUPPORT 0x00000002
452 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
453 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
454 #define OSC_PCI_MSI_SUPPORT 0x00000010
455 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
456
457 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
458 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
459 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
460 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
461 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
462 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
463 #define OSC_PCI_CONTROL_MASKS 0x0000001f
464
465 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
466 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
467 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
468 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
469 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
470 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
471 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
472 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
473 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
474 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
475
476 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
477 u32 *mask, u32 req);
478
479 /* Enable _OST when all relevant hotplug operations are enabled */
480 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
481 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
482 defined(CONFIG_ACPI_CONTAINER)
483 #define ACPI_HOTPLUG_OST
484 #endif
485
486 /* _OST Source Event Code (OSPM Action) */
487 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
488 #define ACPI_OST_EC_OSPM_EJECT 0x103
489 #define ACPI_OST_EC_OSPM_INSERTION 0x200
490
491 /* _OST General Processing Status Code */
492 #define ACPI_OST_SC_SUCCESS 0x0
493 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
494 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
495
496 /* _OST OS Shutdown Processing (0x100) Status Code */
497 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
498 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
499 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
500 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
501
502 /* _OST Ejection Request (0x3, 0x103) Status Code */
503 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
504 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
505 #define ACPI_OST_SC_DEVICE_BUSY 0x82
506 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
507 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
508
509 /* _OST Insertion Request (0x200) Status Code */
510 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
511 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
512 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
513
514 extern void acpi_early_init(void);
515 extern void acpi_subsystem_init(void);
516
517 extern int acpi_nvs_register(__u64 start, __u64 size);
518
519 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
520 void *data);
521
522 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
523 const struct device *dev);
524
525 extern bool acpi_driver_match_device(struct device *dev,
526 const struct device_driver *drv);
527 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
528 int acpi_device_modalias(struct device *, char *, int);
529 void acpi_walk_dep_device_list(acpi_handle handle);
530
531 struct platform_device *acpi_create_platform_device(struct acpi_device *);
532 #define ACPI_PTR(_ptr) (_ptr)
533
534 #else /* !CONFIG_ACPI */
535
536 #define acpi_disabled 1
537
538 #define ACPI_COMPANION(dev) (NULL)
539 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
540 #define ACPI_HANDLE(dev) (NULL)
541 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
542
543 struct fwnode_handle;
544
545 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
546 {
547 return false;
548 }
549
550 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
551 {
552 return false;
553 }
554
555 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
556 {
557 return NULL;
558 }
559
560 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
561 {
562 return false;
563 }
564
565 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
566 {
567 return NULL;
568 }
569
570 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
571 {
572 return NULL;
573 }
574
575 static inline bool has_acpi_companion(struct device *dev)
576 {
577 return false;
578 }
579
580 static inline void acpi_preset_companion(struct device *dev,
581 struct acpi_device *parent, u64 addr)
582 {
583 }
584
585 static inline const char *acpi_dev_name(struct acpi_device *adev)
586 {
587 return NULL;
588 }
589
590 static inline void early_acpi_table_init(void *data, size_t size) { }
591 static inline void acpi_early_init(void) { }
592 static inline void acpi_subsystem_init(void) { }
593
594 static inline int early_acpi_boot_init(void)
595 {
596 return 0;
597 }
598 static inline int acpi_boot_init(void)
599 {
600 return 0;
601 }
602
603 static inline void acpi_boot_table_init(void)
604 {
605 return;
606 }
607
608 static inline int acpi_mps_check(void)
609 {
610 return 0;
611 }
612
613 static inline int acpi_check_resource_conflict(struct resource *res)
614 {
615 return 0;
616 }
617
618 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
619 const char *name)
620 {
621 return 0;
622 }
623
624 struct acpi_table_header;
625 static inline int acpi_table_parse(char *id,
626 int (*handler)(struct acpi_table_header *))
627 {
628 return -ENODEV;
629 }
630
631 static inline int acpi_nvs_register(__u64 start, __u64 size)
632 {
633 return 0;
634 }
635
636 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
637 void *data)
638 {
639 return 0;
640 }
641
642 struct acpi_device_id;
643
644 static inline const struct acpi_device_id *acpi_match_device(
645 const struct acpi_device_id *ids, const struct device *dev)
646 {
647 return NULL;
648 }
649
650 static inline bool acpi_driver_match_device(struct device *dev,
651 const struct device_driver *drv)
652 {
653 return false;
654 }
655
656 static inline int acpi_device_uevent_modalias(struct device *dev,
657 struct kobj_uevent_env *env)
658 {
659 return -ENODEV;
660 }
661
662 static inline int acpi_device_modalias(struct device *dev,
663 char *buf, int size)
664 {
665 return -ENODEV;
666 }
667
668 static inline bool acpi_dma_supported(struct acpi_device *adev)
669 {
670 return false;
671 }
672
673 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
674 {
675 return DEV_DMA_NOT_SUPPORTED;
676 }
677
678 #define ACPI_PTR(_ptr) (NULL)
679
680 #endif /* !CONFIG_ACPI */
681
682 #ifdef CONFIG_ACPI
683 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
684 u32 pm1a_ctrl, u32 pm1b_ctrl));
685
686 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
687 u32 pm1a_control, u32 pm1b_control);
688
689 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
690 u32 val_a, u32 val_b));
691
692 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
693 u32 val_a, u32 val_b);
694
695 #ifdef CONFIG_X86
696 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
697 #else
698 static inline void arch_reserve_mem_area(acpi_physical_address addr,
699 size_t size)
700 {
701 }
702 #endif /* CONFIG_X86 */
703 #else
704 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
705 #endif
706
707 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
708 int acpi_dev_runtime_suspend(struct device *dev);
709 int acpi_dev_runtime_resume(struct device *dev);
710 int acpi_subsys_runtime_suspend(struct device *dev);
711 int acpi_subsys_runtime_resume(struct device *dev);
712 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
713 int acpi_dev_pm_attach(struct device *dev, bool power_on);
714 #else
715 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
716 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
717 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
718 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
719 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
720 {
721 return NULL;
722 }
723 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
724 {
725 return -ENODEV;
726 }
727 #endif
728
729 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
730 int acpi_dev_suspend_late(struct device *dev);
731 int acpi_dev_resume_early(struct device *dev);
732 int acpi_subsys_prepare(struct device *dev);
733 void acpi_subsys_complete(struct device *dev);
734 int acpi_subsys_suspend_late(struct device *dev);
735 int acpi_subsys_resume_early(struct device *dev);
736 int acpi_subsys_suspend(struct device *dev);
737 int acpi_subsys_freeze(struct device *dev);
738 #else
739 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
740 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
741 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
742 static inline void acpi_subsys_complete(struct device *dev) {}
743 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
744 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
745 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
746 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
747 #endif
748
749 #ifdef CONFIG_ACPI
750 __printf(3, 4)
751 void acpi_handle_printk(const char *level, acpi_handle handle,
752 const char *fmt, ...);
753 #else /* !CONFIG_ACPI */
754 static inline __printf(3, 4) void
755 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
756 #endif /* !CONFIG_ACPI */
757
758 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
759 __printf(3, 4)
760 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
761 #else
762 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
763 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
764 #endif
765
766 /*
767 * acpi_handle_<level>: Print message with ACPI prefix and object path
768 *
769 * These interfaces acquire the global namespace mutex to obtain an object
770 * path. In interrupt context, it shows the object path as <n/a>.
771 */
772 #define acpi_handle_emerg(handle, fmt, ...) \
773 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
774 #define acpi_handle_alert(handle, fmt, ...) \
775 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
776 #define acpi_handle_crit(handle, fmt, ...) \
777 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
778 #define acpi_handle_err(handle, fmt, ...) \
779 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
780 #define acpi_handle_warn(handle, fmt, ...) \
781 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
782 #define acpi_handle_notice(handle, fmt, ...) \
783 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
784 #define acpi_handle_info(handle, fmt, ...) \
785 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
786
787 #if defined(DEBUG)
788 #define acpi_handle_debug(handle, fmt, ...) \
789 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
790 #else
791 #if defined(CONFIG_DYNAMIC_DEBUG)
792 #define acpi_handle_debug(handle, fmt, ...) \
793 do { \
794 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
795 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
796 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
797 ##__VA_ARGS__); \
798 } while (0)
799 #else
800 #define acpi_handle_debug(handle, fmt, ...) \
801 ({ \
802 if (0) \
803 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
804 0; \
805 })
806 #endif
807 #endif
808
809 struct acpi_gpio_params {
810 unsigned int crs_entry_index;
811 unsigned int line_index;
812 bool active_low;
813 };
814
815 struct acpi_gpio_mapping {
816 const char *name;
817 const struct acpi_gpio_params *data;
818 unsigned int size;
819 };
820
821 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
822 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
823 const struct acpi_gpio_mapping *gpios);
824
825 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
826 {
827 if (adev)
828 adev->driver_gpios = NULL;
829 }
830
831 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
832 #else
833 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
834 const struct acpi_gpio_mapping *gpios)
835 {
836 return -ENXIO;
837 }
838 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
839
840 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
841 {
842 return -ENXIO;
843 }
844 #endif
845
846 /* Device properties */
847
848 #define MAX_ACPI_REFERENCE_ARGS 8
849 struct acpi_reference_args {
850 struct acpi_device *adev;
851 size_t nargs;
852 u64 args[MAX_ACPI_REFERENCE_ARGS];
853 };
854
855 #ifdef CONFIG_ACPI
856 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
857 acpi_object_type type, const union acpi_object **obj);
858 int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
859 const char *name, size_t index,
860 struct acpi_reference_args *args);
861
862 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
863 void **valptr);
864 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
865 enum dev_prop_type proptype, void *val);
866 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
867 enum dev_prop_type proptype, void *val, size_t nval);
868 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
869 enum dev_prop_type proptype, void *val, size_t nval);
870
871 struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
872 struct fwnode_handle *subnode);
873
874 struct acpi_probe_entry;
875 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
876 struct acpi_probe_entry *);
877
878 #define ACPI_TABLE_ID_LEN 5
879
880 /**
881 * struct acpi_probe_entry - boot-time probing entry
882 * @id: ACPI table name
883 * @type: Optional subtable type to match
884 * (if @id contains subtables)
885 * @subtable_valid: Optional callback to check the validity of
886 * the subtable
887 * @probe_table: Callback to the driver being probed when table
888 * match is successful
889 * @probe_subtbl: Callback to the driver being probed when table and
890 * subtable match (and optional callback is successful)
891 * @driver_data: Sideband data provided back to the driver
892 */
893 struct acpi_probe_entry {
894 __u8 id[ACPI_TABLE_ID_LEN];
895 __u8 type;
896 acpi_probe_entry_validate_subtbl subtable_valid;
897 union {
898 acpi_tbl_table_handler probe_table;
899 acpi_tbl_entry_handler probe_subtbl;
900 };
901 kernel_ulong_t driver_data;
902 };
903
904 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
905 static const struct acpi_probe_entry __acpi_probe_##name \
906 __used __section(__##table##_acpi_probe_table) \
907 = { \
908 .id = table_id, \
909 .type = subtable, \
910 .subtable_valid = valid, \
911 .probe_table = (acpi_tbl_table_handler)fn, \
912 .driver_data = data, \
913 }
914
915 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
916 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
917
918 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
919
920 #define acpi_probe_device_table(t) \
921 ({ \
922 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
923 ACPI_PROBE_TABLE_END(t); \
924 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
925 (&ACPI_PROBE_TABLE_END(t) - \
926 &ACPI_PROBE_TABLE(t))); \
927 })
928 #else
929 static inline int acpi_dev_get_property(struct acpi_device *adev,
930 const char *name, acpi_object_type type,
931 const union acpi_object **obj)
932 {
933 return -ENXIO;
934 }
935
936 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
937 const char *name, size_t index,
938 struct acpi_reference_args *args)
939 {
940 return -ENXIO;
941 }
942
943 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
944 const char *propname,
945 void **valptr)
946 {
947 return -ENXIO;
948 }
949
950 static inline int acpi_dev_prop_get(struct acpi_device *adev,
951 const char *propname,
952 void **valptr)
953 {
954 return -ENXIO;
955 }
956
957 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
958 const char *propname,
959 enum dev_prop_type proptype,
960 void *val)
961 {
962 return -ENXIO;
963 }
964
965 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
966 const char *propname,
967 enum dev_prop_type proptype,
968 void *val, size_t nval)
969 {
970 return -ENXIO;
971 }
972
973 static inline int acpi_dev_prop_read(struct acpi_device *adev,
974 const char *propname,
975 enum dev_prop_type proptype,
976 void *val, size_t nval)
977 {
978 return -ENXIO;
979 }
980
981 static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
982 struct fwnode_handle *subnode)
983 {
984 return NULL;
985 }
986
987 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
988 static const void * __acpi_table_##name[] \
989 __attribute__((unused)) \
990 = { (void *) table_id, \
991 (void *) subtable, \
992 (void *) valid, \
993 (void *) fn, \
994 (void *) data }
995
996 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
997 #endif
998
999 #endif /*_LINUX_ACPI_H*/
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