1 /*
2 * acpi.h - ACPI Interface
3 *
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
5 *
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */
24
25 #ifndef _LINUX_ACPI_H
26 #define _LINUX_ACPI_H
27
28 #include <linux/errno.h>
29 #include <linux/ioport.h> /* for struct resource */
30 #include <linux/resource_ext.h>
31 #include <linux/device.h>
32 #include <linux/property.h>
33
34 #ifndef _LINUX
35 #define _LINUX
36 #endif
37 #include <acpi/acpi.h>
38
39 #ifdef CONFIG_ACPI
40
41 #include <linux/list.h>
42 #include <linux/mod_devicetable.h>
43 #include <linux/dynamic_debug.h>
44
45 #include <acpi/acpi_bus.h>
46 #include <acpi/acpi_drivers.h>
47 #include <acpi/acpi_numa.h>
48 #include <acpi/acpi_io.h>
49 #include <asm/acpi.h>
50
acpi_device_handle(struct acpi_device * adev)51 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
52 {
53 return adev ? adev->handle : NULL;
54 }
55
56 #define ACPI_COMPANION(dev) acpi_node((dev)->fwnode)
57 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
58 acpi_fwnode_handle(adev) : NULL)
59 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60
has_acpi_companion(struct device * dev)61 static inline bool has_acpi_companion(struct device *dev)
62 {
63 return is_acpi_node(dev->fwnode);
64 }
65
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)66 static inline void acpi_preset_companion(struct device *dev,
67 struct acpi_device *parent, u64 addr)
68 {
69 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
70 }
71
acpi_dev_name(struct acpi_device * adev)72 static inline const char *acpi_dev_name(struct acpi_device *adev)
73 {
74 return dev_name(&adev->dev);
75 }
76
77 enum acpi_irq_model_id {
78 ACPI_IRQ_MODEL_PIC = 0,
79 ACPI_IRQ_MODEL_IOAPIC,
80 ACPI_IRQ_MODEL_IOSAPIC,
81 ACPI_IRQ_MODEL_PLATFORM,
82 ACPI_IRQ_MODEL_GIC,
83 ACPI_IRQ_MODEL_COUNT
84 };
85
86 extern enum acpi_irq_model_id acpi_irq_model;
87
88 enum acpi_interrupt_id {
89 ACPI_INTERRUPT_PMI = 1,
90 ACPI_INTERRUPT_INIT,
91 ACPI_INTERRUPT_CPEI,
92 ACPI_INTERRUPT_COUNT
93 };
94
95 #define ACPI_SPACE_MEM 0
96
97 enum acpi_address_range_id {
98 ACPI_ADDRESS_RANGE_MEMORY = 1,
99 ACPI_ADDRESS_RANGE_RESERVED = 2,
100 ACPI_ADDRESS_RANGE_ACPI = 3,
101 ACPI_ADDRESS_RANGE_NVS = 4,
102 ACPI_ADDRESS_RANGE_COUNT
103 };
104
105
106 /* Table Handlers */
107
108 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
109
110 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
111 const unsigned long end);
112
113 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
114 void acpi_initrd_override(void *data, size_t size);
115 #else
acpi_initrd_override(void * data,size_t size)116 static inline void acpi_initrd_override(void *data, size_t size)
117 {
118 }
119 #endif
120
121 #define BAD_MADT_ENTRY(entry, end) ( \
122 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
123 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
124
125 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
126 void __acpi_unmap_table(char *map, unsigned long size);
127 int early_acpi_boot_init(void);
128 int acpi_boot_init (void);
129 void acpi_boot_table_init (void);
130 int acpi_mps_check (void);
131 int acpi_numa_init (void);
132
133 int acpi_table_init (void);
134 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
135 int __init acpi_parse_entries(char *id, unsigned long table_size,
136 acpi_tbl_entry_handler handler,
137 struct acpi_table_header *table_header,
138 int entry_id, unsigned int max_entries);
139 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
140 int entry_id,
141 acpi_tbl_entry_handler handler,
142 unsigned int max_entries);
143 int acpi_table_parse_madt(enum acpi_madt_type id,
144 acpi_tbl_entry_handler handler,
145 unsigned int max_entries);
146 int acpi_parse_mcfg (struct acpi_table_header *header);
147 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
148
149 /* the following four functions are architecture-dependent */
150 void acpi_numa_slit_init (struct acpi_table_slit *slit);
151 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
152 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
153 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
154 void acpi_numa_arch_fixup(void);
155
156 #ifndef PHYS_CPUID_INVALID
157 typedef u32 phys_cpuid_t;
158 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
159 #endif
160
161 #ifdef CONFIG_ACPI_HOTPLUG_CPU
162 /* Arch dependent functions for cpu hotplug support */
163 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
164 int acpi_unmap_cpu(int cpu);
165 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
166
167 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
168 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
169 #endif
170
171 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
172 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
173 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
174 void acpi_irq_stats_init(void);
175 extern u32 acpi_irq_handled;
176 extern u32 acpi_irq_not_handled;
177
178 extern int sbf_port;
179 extern unsigned long acpi_realmode_flags;
180
181 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
182 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
183 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
184
185 #ifdef CONFIG_X86_IO_APIC
186 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
187 #else
188 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
189 #endif
190 /*
191 * This function undoes the effect of one call to acpi_register_gsi().
192 * If this matches the last registration, any IRQ resources for gsi
193 * are freed.
194 */
195 void acpi_unregister_gsi (u32 gsi);
196
197 struct pci_dev;
198
199 int acpi_pci_irq_enable (struct pci_dev *dev);
200 void acpi_penalize_isa_irq(int irq, int active);
201 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
202 void acpi_pci_irq_disable (struct pci_dev *dev);
203
204 extern int ec_read(u8 addr, u8 *val);
205 extern int ec_write(u8 addr, u8 val);
206 extern int ec_transaction(u8 command,
207 const u8 *wdata, unsigned wdata_len,
208 u8 *rdata, unsigned rdata_len);
209 extern acpi_handle ec_get_handle(void);
210
211 extern bool acpi_is_pnp_device(struct acpi_device *);
212
213 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
214
215 typedef void (*wmi_notify_handler) (u32 value, void *context);
216
217 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
218 u32 method_id,
219 const struct acpi_buffer *in,
220 struct acpi_buffer *out);
221 extern acpi_status wmi_query_block(const char *guid, u8 instance,
222 struct acpi_buffer *out);
223 extern acpi_status wmi_set_block(const char *guid, u8 instance,
224 const struct acpi_buffer *in);
225 extern acpi_status wmi_install_notify_handler(const char *guid,
226 wmi_notify_handler handler, void *data);
227 extern acpi_status wmi_remove_notify_handler(const char *guid);
228 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
229 extern bool wmi_has_guid(const char *guid);
230
231 #endif /* CONFIG_ACPI_WMI */
232
233 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
234 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
235 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
236 #define ACPI_VIDEO_BACKLIGHT 0x0008
237 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
238 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
239 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
240 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
241 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
242 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
243 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
244 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
245
246 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
247
248 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
249 extern long acpi_is_video_device(acpi_handle handle);
250 extern void acpi_video_dmi_promote_vendor(void);
251 extern void acpi_video_dmi_demote_vendor(void);
252 extern int acpi_video_backlight_support(void);
253 extern int acpi_video_display_switch_support(void);
254
255 #else
256
acpi_video_get_capabilities(acpi_handle graphics_dev_handle)257 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
258 {
259 return 0;
260 }
261
acpi_is_video_device(acpi_handle handle)262 static inline long acpi_is_video_device(acpi_handle handle)
263 {
264 return 0;
265 }
266
acpi_video_dmi_promote_vendor(void)267 static inline void acpi_video_dmi_promote_vendor(void)
268 {
269 }
270
acpi_video_dmi_demote_vendor(void)271 static inline void acpi_video_dmi_demote_vendor(void)
272 {
273 }
274
acpi_video_backlight_support(void)275 static inline int acpi_video_backlight_support(void)
276 {
277 return 0;
278 }
279
acpi_video_display_switch_support(void)280 static inline int acpi_video_display_switch_support(void)
281 {
282 return 0;
283 }
284
285 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
286
287 extern int acpi_blacklisted(void);
288 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
289 extern void acpi_osi_setup(char *str);
290
291 #ifdef CONFIG_ACPI_NUMA
292 int acpi_get_node(acpi_handle handle);
293 #else
acpi_get_node(acpi_handle handle)294 static inline int acpi_get_node(acpi_handle handle)
295 {
296 return 0;
297 }
298 #endif
299 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
300
301 extern int pnpacpi_disabled;
302
303 #define PXM_INVAL (-1)
304
305 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
306 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
307 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
308 struct resource_win *win);
309 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
310 struct resource_win *win);
311 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
312 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
313 struct resource *res);
314
315 void acpi_dev_free_resource_list(struct list_head *list);
316 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
317 int (*preproc)(struct acpi_resource *, void *),
318 void *preproc_data);
319 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
320 unsigned long types);
321
acpi_dev_filter_resource_type_cb(struct acpi_resource * ares,void * arg)322 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
323 void *arg)
324 {
325 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
326 }
327
328 int acpi_check_resource_conflict(const struct resource *res);
329
330 int acpi_check_region(resource_size_t start, resource_size_t n,
331 const char *name);
332
333 int acpi_resources_are_enforced(void);
334
335 #ifdef CONFIG_HIBERNATION
336 void __init acpi_no_s4_hw_signature(void);
337 #endif
338
339 #ifdef CONFIG_PM_SLEEP
340 void __init acpi_old_suspend_ordering(void);
341 void __init acpi_nvs_nosave(void);
342 void __init acpi_nvs_nosave_s3(void);
343 #endif /* CONFIG_PM_SLEEP */
344
345 struct acpi_osc_context {
346 char *uuid_str; /* UUID string */
347 int rev;
348 struct acpi_buffer cap; /* list of DWORD capabilities */
349 struct acpi_buffer ret; /* free by caller if success */
350 };
351
352 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
353 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
354
355 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
356 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
357 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
358 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
359
360 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
361 #define OSC_QUERY_ENABLE 0x00000001 /* input */
362 #define OSC_REQUEST_ERROR 0x00000002 /* return */
363 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
364 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
365 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
366
367 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
368 #define OSC_SB_PAD_SUPPORT 0x00000001
369 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
370 #define OSC_SB_PR3_SUPPORT 0x00000004
371 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
372 #define OSC_SB_APEI_SUPPORT 0x00000010
373 #define OSC_SB_CPC_SUPPORT 0x00000020
374
375 extern bool osc_sb_apei_support_acked;
376
377 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
378 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
379 #define OSC_PCI_ASPM_SUPPORT 0x00000002
380 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
381 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
382 #define OSC_PCI_MSI_SUPPORT 0x00000010
383 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
384
385 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
386 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
387 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
388 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
389 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
390 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
391 #define OSC_PCI_CONTROL_MASKS 0x0000001f
392
393 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
394 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
395 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
396 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
397 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
398 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
399 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
400 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
401 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
402 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
403
404 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
405 u32 *mask, u32 req);
406
407 /* Enable _OST when all relevant hotplug operations are enabled */
408 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
409 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
410 defined(CONFIG_ACPI_CONTAINER)
411 #define ACPI_HOTPLUG_OST
412 #endif
413
414 /* _OST Source Event Code (OSPM Action) */
415 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
416 #define ACPI_OST_EC_OSPM_EJECT 0x103
417 #define ACPI_OST_EC_OSPM_INSERTION 0x200
418
419 /* _OST General Processing Status Code */
420 #define ACPI_OST_SC_SUCCESS 0x0
421 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
422 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
423
424 /* _OST OS Shutdown Processing (0x100) Status Code */
425 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
426 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
427 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
428 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
429
430 /* _OST Ejection Request (0x3, 0x103) Status Code */
431 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
432 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
433 #define ACPI_OST_SC_DEVICE_BUSY 0x82
434 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
435 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
436
437 /* _OST Insertion Request (0x200) Status Code */
438 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
439 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
440 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
441
442 extern void acpi_early_init(void);
443 extern void acpi_subsystem_init(void);
444
445 extern int acpi_nvs_register(__u64 start, __u64 size);
446
447 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
448 void *data);
449
450 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
451 const struct device *dev);
452
453 extern bool acpi_driver_match_device(struct device *dev,
454 const struct device_driver *drv);
455 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
456 int acpi_device_modalias(struct device *, char *, int);
457 void acpi_walk_dep_device_list(acpi_handle handle);
458
459 struct platform_device *acpi_create_platform_device(struct acpi_device *);
460 #define ACPI_PTR(_ptr) (_ptr)
461
462 #else /* !CONFIG_ACPI */
463
464 #define acpi_disabled 1
465
466 #define ACPI_COMPANION(dev) (NULL)
467 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
468 #define ACPI_HANDLE(dev) (NULL)
469
470 struct fwnode_handle;
471
is_acpi_node(struct fwnode_handle * fwnode)472 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
473 {
474 return false;
475 }
476
acpi_node(struct fwnode_handle * fwnode)477 static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
478 {
479 return NULL;
480 }
481
acpi_fwnode_handle(struct acpi_device * adev)482 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
483 {
484 return NULL;
485 }
486
has_acpi_companion(struct device * dev)487 static inline bool has_acpi_companion(struct device *dev)
488 {
489 return false;
490 }
491
acpi_dev_name(struct acpi_device * adev)492 static inline const char *acpi_dev_name(struct acpi_device *adev)
493 {
494 return NULL;
495 }
496
acpi_early_init(void)497 static inline void acpi_early_init(void) { }
acpi_subsystem_init(void)498 static inline void acpi_subsystem_init(void) { }
499
early_acpi_boot_init(void)500 static inline int early_acpi_boot_init(void)
501 {
502 return 0;
503 }
acpi_boot_init(void)504 static inline int acpi_boot_init(void)
505 {
506 return 0;
507 }
508
acpi_boot_table_init(void)509 static inline void acpi_boot_table_init(void)
510 {
511 return;
512 }
513
acpi_mps_check(void)514 static inline int acpi_mps_check(void)
515 {
516 return 0;
517 }
518
acpi_check_resource_conflict(struct resource * res)519 static inline int acpi_check_resource_conflict(struct resource *res)
520 {
521 return 0;
522 }
523
acpi_check_region(resource_size_t start,resource_size_t n,const char * name)524 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
525 const char *name)
526 {
527 return 0;
528 }
529
530 struct acpi_table_header;
acpi_table_parse(char * id,int (* handler)(struct acpi_table_header *))531 static inline int acpi_table_parse(char *id,
532 int (*handler)(struct acpi_table_header *))
533 {
534 return -ENODEV;
535 }
536
acpi_nvs_register(__u64 start,__u64 size)537 static inline int acpi_nvs_register(__u64 start, __u64 size)
538 {
539 return 0;
540 }
541
acpi_nvs_for_each_region(int (* func)(__u64,__u64,void *),void * data)542 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
543 void *data)
544 {
545 return 0;
546 }
547
548 struct acpi_device_id;
549
acpi_match_device(const struct acpi_device_id * ids,const struct device * dev)550 static inline const struct acpi_device_id *acpi_match_device(
551 const struct acpi_device_id *ids, const struct device *dev)
552 {
553 return NULL;
554 }
555
acpi_driver_match_device(struct device * dev,const struct device_driver * drv)556 static inline bool acpi_driver_match_device(struct device *dev,
557 const struct device_driver *drv)
558 {
559 return false;
560 }
561
acpi_device_uevent_modalias(struct device * dev,struct kobj_uevent_env * env)562 static inline int acpi_device_uevent_modalias(struct device *dev,
563 struct kobj_uevent_env *env)
564 {
565 return -ENODEV;
566 }
567
acpi_device_modalias(struct device * dev,char * buf,int size)568 static inline int acpi_device_modalias(struct device *dev,
569 char *buf, int size)
570 {
571 return -ENODEV;
572 }
573
574 #define ACPI_PTR(_ptr) (NULL)
575
576 #endif /* !CONFIG_ACPI */
577
578 #ifdef CONFIG_ACPI
579 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
580 u32 pm1a_ctrl, u32 pm1b_ctrl));
581
582 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
583 u32 pm1a_control, u32 pm1b_control);
584
585 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
586 u32 val_a, u32 val_b));
587
588 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
589 u32 val_a, u32 val_b);
590
591 #ifdef CONFIG_X86
592 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
593 #else
arch_reserve_mem_area(acpi_physical_address addr,size_t size)594 static inline void arch_reserve_mem_area(acpi_physical_address addr,
595 size_t size)
596 {
597 }
598 #endif /* CONFIG_X86 */
599 #else
600 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
601 #endif
602
603 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
604 int acpi_dev_runtime_suspend(struct device *dev);
605 int acpi_dev_runtime_resume(struct device *dev);
606 int acpi_subsys_runtime_suspend(struct device *dev);
607 int acpi_subsys_runtime_resume(struct device *dev);
608 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
609 int acpi_dev_pm_attach(struct device *dev, bool power_on);
610 #else
acpi_dev_runtime_suspend(struct device * dev)611 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
acpi_dev_runtime_resume(struct device * dev)612 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
acpi_subsys_runtime_suspend(struct device * dev)613 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
acpi_subsys_runtime_resume(struct device * dev)614 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
acpi_dev_pm_get_node(struct device * dev)615 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
616 {
617 return NULL;
618 }
acpi_dev_pm_attach(struct device * dev,bool power_on)619 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
620 {
621 return -ENODEV;
622 }
623 #endif
624
625 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
626 int acpi_dev_suspend_late(struct device *dev);
627 int acpi_dev_resume_early(struct device *dev);
628 int acpi_subsys_prepare(struct device *dev);
629 void acpi_subsys_complete(struct device *dev);
630 int acpi_subsys_suspend_late(struct device *dev);
631 int acpi_subsys_resume_early(struct device *dev);
632 int acpi_subsys_suspend(struct device *dev);
633 int acpi_subsys_freeze(struct device *dev);
634 #else
acpi_dev_suspend_late(struct device * dev)635 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
acpi_dev_resume_early(struct device * dev)636 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
acpi_subsys_prepare(struct device * dev)637 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
acpi_subsys_complete(struct device * dev)638 static inline void acpi_subsys_complete(struct device *dev) {}
acpi_subsys_suspend_late(struct device * dev)639 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
acpi_subsys_resume_early(struct device * dev)640 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
acpi_subsys_suspend(struct device * dev)641 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
acpi_subsys_freeze(struct device * dev)642 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
643 #endif
644
645 #ifdef CONFIG_ACPI
646 __printf(3, 4)
647 void acpi_handle_printk(const char *level, acpi_handle handle,
648 const char *fmt, ...);
649 #else /* !CONFIG_ACPI */
650 static inline __printf(3, 4) void
acpi_handle_printk(const char * level,void * handle,const char * fmt,...)651 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
652 #endif /* !CONFIG_ACPI */
653
654 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
655 __printf(3, 4)
656 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
657 #else
658 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
659 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
660 #endif
661
662 /*
663 * acpi_handle_<level>: Print message with ACPI prefix and object path
664 *
665 * These interfaces acquire the global namespace mutex to obtain an object
666 * path. In interrupt context, it shows the object path as <n/a>.
667 */
668 #define acpi_handle_emerg(handle, fmt, ...) \
669 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
670 #define acpi_handle_alert(handle, fmt, ...) \
671 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
672 #define acpi_handle_crit(handle, fmt, ...) \
673 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
674 #define acpi_handle_err(handle, fmt, ...) \
675 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
676 #define acpi_handle_warn(handle, fmt, ...) \
677 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
678 #define acpi_handle_notice(handle, fmt, ...) \
679 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
680 #define acpi_handle_info(handle, fmt, ...) \
681 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
682
683 #if defined(DEBUG)
684 #define acpi_handle_debug(handle, fmt, ...) \
685 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
686 #else
687 #if defined(CONFIG_DYNAMIC_DEBUG)
688 #define acpi_handle_debug(handle, fmt, ...) \
689 do { \
690 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
691 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
692 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
693 ##__VA_ARGS__); \
694 } while (0)
695 #else
696 #define acpi_handle_debug(handle, fmt, ...) \
697 ({ \
698 if (0) \
699 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
700 0; \
701 })
702 #endif
703 #endif
704
705 struct acpi_gpio_params {
706 unsigned int crs_entry_index;
707 unsigned int line_index;
708 bool active_low;
709 };
710
711 struct acpi_gpio_mapping {
712 const char *name;
713 const struct acpi_gpio_params *data;
714 unsigned int size;
715 };
716
717 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
718 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
719 const struct acpi_gpio_mapping *gpios);
720
acpi_dev_remove_driver_gpios(struct acpi_device * adev)721 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
722 {
723 if (adev)
724 adev->driver_gpios = NULL;
725 }
726 #else
acpi_dev_add_driver_gpios(struct acpi_device * adev,const struct acpi_gpio_mapping * gpios)727 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
728 const struct acpi_gpio_mapping *gpios)
729 {
730 return -ENXIO;
731 }
acpi_dev_remove_driver_gpios(struct acpi_device * adev)732 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
733 #endif
734
735 /* Device properties */
736
737 #define MAX_ACPI_REFERENCE_ARGS 8
738 struct acpi_reference_args {
739 struct acpi_device *adev;
740 size_t nargs;
741 u64 args[MAX_ACPI_REFERENCE_ARGS];
742 };
743
744 #ifdef CONFIG_ACPI
745 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
746 acpi_object_type type, const union acpi_object **obj);
747 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
748 acpi_object_type type,
749 const union acpi_object **obj);
750 int acpi_dev_get_property_reference(struct acpi_device *adev,
751 const char *name, size_t index,
752 struct acpi_reference_args *args);
753
754 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
755 void **valptr);
756 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
757 enum dev_prop_type proptype, void *val);
758 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
759 enum dev_prop_type proptype, void *val, size_t nval);
760
761 struct acpi_device *acpi_get_next_child(struct device *dev,
762 struct acpi_device *child);
763 #else
acpi_dev_get_property(struct acpi_device * adev,const char * name,acpi_object_type type,const union acpi_object ** obj)764 static inline int acpi_dev_get_property(struct acpi_device *adev,
765 const char *name, acpi_object_type type,
766 const union acpi_object **obj)
767 {
768 return -ENXIO;
769 }
acpi_dev_get_property_array(struct acpi_device * adev,const char * name,acpi_object_type type,const union acpi_object ** obj)770 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
771 const char *name,
772 acpi_object_type type,
773 const union acpi_object **obj)
774 {
775 return -ENXIO;
776 }
acpi_dev_get_property_reference(struct acpi_device * adev,const char * name,const char * cells_name,size_t index,struct acpi_reference_args * args)777 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
778 const char *name, const char *cells_name,
779 size_t index, struct acpi_reference_args *args)
780 {
781 return -ENXIO;
782 }
783
acpi_dev_prop_get(struct acpi_device * adev,const char * propname,void ** valptr)784 static inline int acpi_dev_prop_get(struct acpi_device *adev,
785 const char *propname,
786 void **valptr)
787 {
788 return -ENXIO;
789 }
790
acpi_dev_prop_read_single(struct acpi_device * adev,const char * propname,enum dev_prop_type proptype,void * val)791 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
792 const char *propname,
793 enum dev_prop_type proptype,
794 void *val)
795 {
796 return -ENXIO;
797 }
798
acpi_dev_prop_read(struct acpi_device * adev,const char * propname,enum dev_prop_type proptype,void * val,size_t nval)799 static inline int acpi_dev_prop_read(struct acpi_device *adev,
800 const char *propname,
801 enum dev_prop_type proptype,
802 void *val, size_t nval)
803 {
804 return -ENXIO;
805 }
806
acpi_get_next_child(struct device * dev,struct acpi_device * child)807 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
808 struct acpi_device *child)
809 {
810 return NULL;
811 }
812
813 #endif
814
815 #endif /*_LINUX_ACPI_H*/
816