~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/acpi.h

Version: ~ [ linux-5.13-rc1 ] ~ [ linux-5.12.2 ] ~ [ linux-5.11.19 ] ~ [ linux-5.10.35 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.117 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.190 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.232 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.268 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.268 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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 #include <linux/uuid.h>
 30 
 31 #ifndef _LINUX
 32 #define _LINUX
 33 #endif
 34 #include <acpi/acpi.h>
 35 
 36 #ifdef  CONFIG_ACPI
 37 
 38 #include <linux/list.h>
 39 #include <linux/mod_devicetable.h>
 40 #include <linux/dynamic_debug.h>
 41 #include <linux/module.h>
 42 #include <linux/mutex.h>
 43 
 44 #include <acpi/acpi_bus.h>
 45 #include <acpi/acpi_drivers.h>
 46 #include <acpi/acpi_numa.h>
 47 #include <acpi/acpi_io.h>
 48 #include <asm/acpi.h>
 49 
 50 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
 51 {
 52         return adev ? adev->handle : NULL;
 53 }
 54 
 55 #define ACPI_COMPANION(dev)             to_acpi_device_node((dev)->fwnode)
 56 #define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
 57         acpi_fwnode_handle(adev) : NULL)
 58 #define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
 59 
 60 
 61 extern const struct fwnode_operations acpi_fwnode_ops;
 62 
 63 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
 64 {
 65         struct fwnode_handle *fwnode;
 66 
 67         fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
 68         if (!fwnode)
 69                 return NULL;
 70 
 71         fwnode->type = FWNODE_ACPI_STATIC;
 72         fwnode->ops = &acpi_fwnode_ops;
 73 
 74         return fwnode;
 75 }
 76 
 77 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
 78 {
 79         if (WARN_ON(!fwnode || fwnode->type != FWNODE_ACPI_STATIC))
 80                 return;
 81 
 82         kfree(fwnode);
 83 }
 84 
 85 /**
 86  * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
 87  * the PCI-defined class-code information
 88  *
 89  * @_cls : the class, subclass, prog-if triple for this device
 90  * @_msk : the class mask for this device
 91  *
 92  * This macro is used to create a struct acpi_device_id that matches a
 93  * specific PCI class. The .id and .driver_data fields will be left
 94  * initialized with the default value.
 95  */
 96 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
 97 
 98 static inline bool has_acpi_companion(struct device *dev)
 99 {
100         return is_acpi_device_node(dev->fwnode);
101 }
102 
103 static inline void acpi_preset_companion(struct device *dev,
104                                          struct acpi_device *parent, u64 addr)
105 {
106         ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
107 }
108 
109 static inline const char *acpi_dev_name(struct acpi_device *adev)
110 {
111         return dev_name(&adev->dev);
112 }
113 
114 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
115 
116 enum acpi_irq_model_id {
117         ACPI_IRQ_MODEL_PIC = 0,
118         ACPI_IRQ_MODEL_IOAPIC,
119         ACPI_IRQ_MODEL_IOSAPIC,
120         ACPI_IRQ_MODEL_PLATFORM,
121         ACPI_IRQ_MODEL_GIC,
122         ACPI_IRQ_MODEL_COUNT
123 };
124 
125 extern enum acpi_irq_model_id   acpi_irq_model;
126 
127 enum acpi_interrupt_id {
128         ACPI_INTERRUPT_PMI      = 1,
129         ACPI_INTERRUPT_INIT,
130         ACPI_INTERRUPT_CPEI,
131         ACPI_INTERRUPT_COUNT
132 };
133 
134 #define ACPI_SPACE_MEM          0
135 
136 enum acpi_address_range_id {
137         ACPI_ADDRESS_RANGE_MEMORY = 1,
138         ACPI_ADDRESS_RANGE_RESERVED = 2,
139         ACPI_ADDRESS_RANGE_ACPI = 3,
140         ACPI_ADDRESS_RANGE_NVS  = 4,
141         ACPI_ADDRESS_RANGE_COUNT
142 };
143 
144 
145 /* Table Handlers */
146 
147 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
148 
149 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
150                                       const unsigned long end);
151 
152 /* Debugger support */
153 
154 struct acpi_debugger_ops {
155         int (*create_thread)(acpi_osd_exec_callback function, void *context);
156         ssize_t (*write_log)(const char *msg);
157         ssize_t (*read_cmd)(char *buffer, size_t length);
158         int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
159         int (*notify_command_complete)(void);
160 };
161 
162 struct acpi_debugger {
163         const struct acpi_debugger_ops *ops;
164         struct module *owner;
165         struct mutex lock;
166 };
167 
168 #ifdef CONFIG_ACPI_DEBUGGER
169 int __init acpi_debugger_init(void);
170 int acpi_register_debugger(struct module *owner,
171                            const struct acpi_debugger_ops *ops);
172 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
173 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
174 ssize_t acpi_debugger_write_log(const char *msg);
175 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
176 int acpi_debugger_wait_command_ready(void);
177 int acpi_debugger_notify_command_complete(void);
178 #else
179 static inline int acpi_debugger_init(void)
180 {
181         return -ENODEV;
182 }
183 
184 static inline int acpi_register_debugger(struct module *owner,
185                                          const struct acpi_debugger_ops *ops)
186 {
187         return -ENODEV;
188 }
189 
190 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
191 {
192 }
193 
194 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
195                                               void *context)
196 {
197         return -ENODEV;
198 }
199 
200 static inline int acpi_debugger_write_log(const char *msg)
201 {
202         return -ENODEV;
203 }
204 
205 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
206 {
207         return -ENODEV;
208 }
209 
210 static inline int acpi_debugger_wait_command_ready(void)
211 {
212         return -ENODEV;
213 }
214 
215 static inline int acpi_debugger_notify_command_complete(void)
216 {
217         return -ENODEV;
218 }
219 #endif
220 
221 #define BAD_MADT_ENTRY(entry, end) (                                        \
222                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
223                 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
224 
225 struct acpi_subtable_proc {
226         int id;
227         acpi_tbl_entry_handler handler;
228         int count;
229 };
230 
231 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
232 void __acpi_unmap_table(char *map, unsigned long size);
233 int early_acpi_boot_init(void);
234 int acpi_boot_init (void);
235 void acpi_boot_table_init (void);
236 int acpi_mps_check (void);
237 int acpi_numa_init (void);
238 
239 int acpi_table_init (void);
240 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
241 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
242                               int entry_id,
243                               acpi_tbl_entry_handler handler,
244                               unsigned int max_entries);
245 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
246                               struct acpi_subtable_proc *proc, int proc_num,
247                               unsigned int max_entries);
248 int acpi_table_parse_madt(enum acpi_madt_type id,
249                           acpi_tbl_entry_handler handler,
250                           unsigned int max_entries);
251 int acpi_parse_mcfg (struct acpi_table_header *header);
252 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
253 
254 /* the following numa functions are architecture-dependent */
255 void acpi_numa_slit_init (struct acpi_table_slit *slit);
256 
257 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
258 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
259 #else
260 static inline void
261 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
262 #endif
263 
264 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
265 
266 #ifdef CONFIG_ARM64
267 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
268 #else
269 static inline void
270 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
271 #endif
272 
273 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
274 
275 #ifndef PHYS_CPUID_INVALID
276 typedef u32 phys_cpuid_t;
277 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
278 #endif
279 
280 static inline bool invalid_logical_cpuid(u32 cpuid)
281 {
282         return (int)cpuid < 0;
283 }
284 
285 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
286 {
287         return phys_id == PHYS_CPUID_INVALID;
288 }
289 
290 /* Validate the processor object's proc_id */
291 bool acpi_duplicate_processor_id(int proc_id);
292 
293 #ifdef CONFIG_ACPI_HOTPLUG_CPU
294 /* Arch dependent functions for cpu hotplug support */
295 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
296                  int *pcpu);
297 int acpi_unmap_cpu(int cpu);
298 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
299 
300 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
301 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
302 #endif
303 
304 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
305 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
306 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
307 void acpi_irq_stats_init(void);
308 extern u32 acpi_irq_handled;
309 extern u32 acpi_irq_not_handled;
310 extern unsigned int acpi_sci_irq;
311 extern bool acpi_no_s5;
312 #define INVALID_ACPI_IRQ        ((unsigned)-1)
313 static inline bool acpi_sci_irq_valid(void)
314 {
315         return acpi_sci_irq != INVALID_ACPI_IRQ;
316 }
317 
318 extern int sbf_port;
319 extern unsigned long acpi_realmode_flags;
320 
321 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
322 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
323 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
324 
325 void acpi_set_irq_model(enum acpi_irq_model_id model,
326                         struct fwnode_handle *fwnode);
327 
328 #ifdef CONFIG_X86_IO_APIC
329 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
330 #else
331 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
332 #endif
333 /*
334  * This function undoes the effect of one call to acpi_register_gsi().
335  * If this matches the last registration, any IRQ resources for gsi
336  * are freed.
337  */
338 void acpi_unregister_gsi (u32 gsi);
339 
340 struct pci_dev;
341 
342 int acpi_pci_irq_enable (struct pci_dev *dev);
343 void acpi_penalize_isa_irq(int irq, int active);
344 bool acpi_isa_irq_available(int irq);
345 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
346 void acpi_pci_irq_disable (struct pci_dev *dev);
347 
348 extern int ec_read(u8 addr, u8 *val);
349 extern int ec_write(u8 addr, u8 val);
350 extern int ec_transaction(u8 command,
351                           const u8 *wdata, unsigned wdata_len,
352                           u8 *rdata, unsigned rdata_len);
353 extern acpi_handle ec_get_handle(void);
354 
355 extern bool acpi_is_pnp_device(struct acpi_device *);
356 
357 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
358 
359 typedef void (*wmi_notify_handler) (u32 value, void *context);
360 
361 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
362                                         u32 method_id,
363                                         const struct acpi_buffer *in,
364                                         struct acpi_buffer *out);
365 extern acpi_status wmi_query_block(const char *guid, u8 instance,
366                                         struct acpi_buffer *out);
367 extern acpi_status wmi_set_block(const char *guid, u8 instance,
368                                         const struct acpi_buffer *in);
369 extern acpi_status wmi_install_notify_handler(const char *guid,
370                                         wmi_notify_handler handler, void *data);
371 extern acpi_status wmi_remove_notify_handler(const char *guid);
372 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
373 extern bool wmi_has_guid(const char *guid);
374 
375 #endif  /* CONFIG_ACPI_WMI */
376 
377 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
378 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
379 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
380 #define ACPI_VIDEO_BACKLIGHT                            0x0008
381 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
382 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
383 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
384 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
385 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
386 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
387 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
388 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
389 
390 extern char acpi_video_backlight_string[];
391 extern long acpi_is_video_device(acpi_handle handle);
392 extern int acpi_blacklisted(void);
393 extern void acpi_osi_setup(char *str);
394 extern bool acpi_osi_is_win8(void);
395 
396 #ifdef CONFIG_ACPI_NUMA
397 int acpi_map_pxm_to_online_node(int pxm);
398 int acpi_get_node(acpi_handle handle);
399 #else
400 static inline int acpi_map_pxm_to_online_node(int pxm)
401 {
402         return 0;
403 }
404 static inline int acpi_get_node(acpi_handle handle)
405 {
406         return 0;
407 }
408 #endif
409 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
410 
411 extern int pnpacpi_disabled;
412 
413 #define PXM_INVAL       (-1)
414 
415 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
416 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
417 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
418                                      struct resource_win *win);
419 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
420                                          struct resource_win *win);
421 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
422 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
423 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
424                                  struct resource *res);
425 
426 void acpi_dev_free_resource_list(struct list_head *list);
427 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
428                            int (*preproc)(struct acpi_resource *, void *),
429                            void *preproc_data);
430 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
431                                   unsigned long types);
432 
433 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
434                                                    void *arg)
435 {
436         return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
437 }
438 
439 struct acpi_device *acpi_resource_consumer(struct resource *res);
440 
441 int acpi_check_resource_conflict(const struct resource *res);
442 
443 int acpi_check_region(resource_size_t start, resource_size_t n,
444                       const char *name);
445 
446 int acpi_resources_are_enforced(void);
447 
448 #ifdef CONFIG_HIBERNATION
449 void __init acpi_no_s4_hw_signature(void);
450 #endif
451 
452 #ifdef CONFIG_PM_SLEEP
453 void __init acpi_old_suspend_ordering(void);
454 void __init acpi_nvs_nosave(void);
455 void __init acpi_nvs_nosave_s3(void);
456 #endif /* CONFIG_PM_SLEEP */
457 
458 struct acpi_osc_context {
459         char *uuid_str;                 /* UUID string */
460         int rev;
461         struct acpi_buffer cap;         /* list of DWORD capabilities */
462         struct acpi_buffer ret;         /* free by caller if success */
463 };
464 
465 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
466 
467 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
468 #define OSC_QUERY_DWORD                         0       /* DWORD 1 */
469 #define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
470 #define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
471 
472 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
473 #define OSC_QUERY_ENABLE                        0x00000001  /* input */
474 #define OSC_REQUEST_ERROR                       0x00000002  /* return */
475 #define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
476 #define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
477 #define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
478 
479 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
480 #define OSC_SB_PAD_SUPPORT                      0x00000001
481 #define OSC_SB_PPC_OST_SUPPORT                  0x00000002
482 #define OSC_SB_PR3_SUPPORT                      0x00000004
483 #define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
484 #define OSC_SB_APEI_SUPPORT                     0x00000010
485 #define OSC_SB_CPC_SUPPORT                      0x00000020
486 #define OSC_SB_CPCV2_SUPPORT                    0x00000040
487 #define OSC_SB_PCLPI_SUPPORT                    0x00000080
488 #define OSC_SB_OSLPI_SUPPORT                    0x00000100
489 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT         0x00001000
490 
491 extern bool osc_sb_apei_support_acked;
492 extern bool osc_pc_lpi_support_confirmed;
493 
494 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
495 #define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
496 #define OSC_PCI_ASPM_SUPPORT                    0x00000002
497 #define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
498 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
499 #define OSC_PCI_MSI_SUPPORT                     0x00000010
500 #define OSC_PCI_SUPPORT_MASKS                   0x0000001f
501 
502 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
503 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
504 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
505 #define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
506 #define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
507 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
508 #define OSC_PCI_CONTROL_MASKS                   0x0000001f
509 
510 #define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
511 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
512 #define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
513 #define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
514 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
515 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
516 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
517 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
518 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
519 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
520 
521 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
522                                              u32 *mask, u32 req);
523 
524 /* Enable _OST when all relevant hotplug operations are enabled */
525 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
526         defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
527         defined(CONFIG_ACPI_CONTAINER)
528 #define ACPI_HOTPLUG_OST
529 #endif
530 
531 /* _OST Source Event Code (OSPM Action) */
532 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
533 #define ACPI_OST_EC_OSPM_EJECT                  0x103
534 #define ACPI_OST_EC_OSPM_INSERTION              0x200
535 
536 /* _OST General Processing Status Code */
537 #define ACPI_OST_SC_SUCCESS                     0x0
538 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
539 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
540 
541 /* _OST OS Shutdown Processing (0x100) Status Code */
542 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
543 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
544 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
545 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
546 
547 /* _OST Ejection Request (0x3, 0x103) Status Code */
548 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
549 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
550 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
551 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
552 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
553 
554 /* _OST Insertion Request (0x200) Status Code */
555 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
556 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
557 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
558 
559 extern void acpi_early_init(void);
560 extern void acpi_subsystem_init(void);
561 
562 extern int acpi_nvs_register(__u64 start, __u64 size);
563 
564 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
565                                     void *data);
566 
567 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
568                                                const struct device *dev);
569 
570 extern bool acpi_driver_match_device(struct device *dev,
571                                      const struct device_driver *drv);
572 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
573 int acpi_device_modalias(struct device *, char *, int);
574 void acpi_walk_dep_device_list(acpi_handle handle);
575 
576 struct platform_device *acpi_create_platform_device(struct acpi_device *,
577                                                     struct property_entry *);
578 #define ACPI_PTR(_ptr)  (_ptr)
579 
580 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
581 {
582         adev->flags.visited = true;
583 }
584 
585 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
586 {
587         adev->flags.visited = false;
588 }
589 
590 enum acpi_reconfig_event  {
591         ACPI_RECONFIG_DEVICE_ADD = 0,
592         ACPI_RECONFIG_DEVICE_REMOVE,
593 };
594 
595 int acpi_reconfig_notifier_register(struct notifier_block *nb);
596 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
597 
598 #ifdef CONFIG_ACPI_GTDT
599 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
600 int acpi_gtdt_map_ppi(int type);
601 bool acpi_gtdt_c3stop(int type);
602 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
603 #endif
604 
605 #else   /* !CONFIG_ACPI */
606 
607 #define acpi_disabled 1
608 
609 #define ACPI_COMPANION(dev)             (NULL)
610 #define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
611 #define ACPI_HANDLE(dev)                (NULL)
612 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
613 
614 struct fwnode_handle;
615 
616 static inline bool acpi_dev_found(const char *hid)
617 {
618         return false;
619 }
620 
621 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
622 {
623         return false;
624 }
625 
626 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
627 {
628         return false;
629 }
630 
631 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
632 {
633         return false;
634 }
635 
636 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
637 {
638         return NULL;
639 }
640 
641 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
642 {
643         return false;
644 }
645 
646 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
647 {
648         return NULL;
649 }
650 
651 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
652                                         const char *name)
653 {
654         return false;
655 }
656 
657 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
658 {
659         return NULL;
660 }
661 
662 static inline bool has_acpi_companion(struct device *dev)
663 {
664         return false;
665 }
666 
667 static inline void acpi_preset_companion(struct device *dev,
668                                          struct acpi_device *parent, u64 addr)
669 {
670 }
671 
672 static inline const char *acpi_dev_name(struct acpi_device *adev)
673 {
674         return NULL;
675 }
676 
677 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
678 {
679         return NULL;
680 }
681 
682 static inline void acpi_early_init(void) { }
683 static inline void acpi_subsystem_init(void) { }
684 
685 static inline int early_acpi_boot_init(void)
686 {
687         return 0;
688 }
689 static inline int acpi_boot_init(void)
690 {
691         return 0;
692 }
693 
694 static inline void acpi_boot_table_init(void)
695 {
696         return;
697 }
698 
699 static inline int acpi_mps_check(void)
700 {
701         return 0;
702 }
703 
704 static inline int acpi_check_resource_conflict(struct resource *res)
705 {
706         return 0;
707 }
708 
709 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
710                                     const char *name)
711 {
712         return 0;
713 }
714 
715 struct acpi_table_header;
716 static inline int acpi_table_parse(char *id,
717                                 int (*handler)(struct acpi_table_header *))
718 {
719         return -ENODEV;
720 }
721 
722 static inline int acpi_nvs_register(__u64 start, __u64 size)
723 {
724         return 0;
725 }
726 
727 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
728                                            void *data)
729 {
730         return 0;
731 }
732 
733 struct acpi_device_id;
734 
735 static inline const struct acpi_device_id *acpi_match_device(
736         const struct acpi_device_id *ids, const struct device *dev)
737 {
738         return NULL;
739 }
740 
741 static inline bool acpi_driver_match_device(struct device *dev,
742                                             const struct device_driver *drv)
743 {
744         return false;
745 }
746 
747 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
748                                                    const guid_t *guid,
749                                                    int rev, int func,
750                                                    union acpi_object *argv4)
751 {
752         return NULL;
753 }
754 
755 static inline int acpi_device_uevent_modalias(struct device *dev,
756                                 struct kobj_uevent_env *env)
757 {
758         return -ENODEV;
759 }
760 
761 static inline int acpi_device_modalias(struct device *dev,
762                                 char *buf, int size)
763 {
764         return -ENODEV;
765 }
766 
767 static inline bool acpi_dma_supported(struct acpi_device *adev)
768 {
769         return false;
770 }
771 
772 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
773 {
774         return DEV_DMA_NOT_SUPPORTED;
775 }
776 
777 static inline int acpi_dma_configure(struct device *dev,
778                                      enum dev_dma_attr attr)
779 {
780         return 0;
781 }
782 
783 static inline void acpi_dma_deconfigure(struct device *dev) { }
784 
785 #define ACPI_PTR(_ptr)  (NULL)
786 
787 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
788 {
789 }
790 
791 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
792 {
793 }
794 
795 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
796 {
797         return -EINVAL;
798 }
799 
800 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
801 {
802         return -EINVAL;
803 }
804 
805 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
806 {
807         return NULL;
808 }
809 
810 #endif  /* !CONFIG_ACPI */
811 
812 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
813 int acpi_ioapic_add(acpi_handle root);
814 #else
815 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
816 #endif
817 
818 #ifdef CONFIG_ACPI
819 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
820                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
821 
822 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
823                                   u32 pm1a_control, u32 pm1b_control);
824 
825 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
826                                         u32 val_a,  u32 val_b));
827 
828 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
829                                            u32 val_a, u32 val_b);
830 
831 #ifdef CONFIG_X86
832 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
833 #else
834 static inline void arch_reserve_mem_area(acpi_physical_address addr,
835                                           size_t size)
836 {
837 }
838 #endif /* CONFIG_X86 */
839 #else
840 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
841 #endif
842 
843 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
844 int acpi_dev_runtime_suspend(struct device *dev);
845 int acpi_dev_runtime_resume(struct device *dev);
846 int acpi_subsys_runtime_suspend(struct device *dev);
847 int acpi_subsys_runtime_resume(struct device *dev);
848 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
849 int acpi_dev_pm_attach(struct device *dev, bool power_on);
850 #else
851 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
852 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
853 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
854 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
855 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
856 {
857         return NULL;
858 }
859 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
860 {
861         return -ENODEV;
862 }
863 #endif
864 
865 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
866 int acpi_dev_suspend_late(struct device *dev);
867 int acpi_dev_resume_early(struct device *dev);
868 int acpi_subsys_prepare(struct device *dev);
869 void acpi_subsys_complete(struct device *dev);
870 int acpi_subsys_suspend_late(struct device *dev);
871 int acpi_subsys_resume_early(struct device *dev);
872 int acpi_subsys_suspend(struct device *dev);
873 int acpi_subsys_freeze(struct device *dev);
874 #else
875 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
876 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
877 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
878 static inline void acpi_subsys_complete(struct device *dev) {}
879 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
880 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
881 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
882 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
883 #endif
884 
885 #ifdef CONFIG_ACPI
886 __printf(3, 4)
887 void acpi_handle_printk(const char *level, acpi_handle handle,
888                         const char *fmt, ...);
889 #else   /* !CONFIG_ACPI */
890 static inline __printf(3, 4) void
891 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
892 #endif  /* !CONFIG_ACPI */
893 
894 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
895 __printf(3, 4)
896 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
897 #else
898 #define __acpi_handle_debug(descriptor, handle, fmt, ...)               \
899         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
900 #endif
901 
902 /*
903  * acpi_handle_<level>: Print message with ACPI prefix and object path
904  *
905  * These interfaces acquire the global namespace mutex to obtain an object
906  * path.  In interrupt context, it shows the object path as <n/a>.
907  */
908 #define acpi_handle_emerg(handle, fmt, ...)                             \
909         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
910 #define acpi_handle_alert(handle, fmt, ...)                             \
911         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
912 #define acpi_handle_crit(handle, fmt, ...)                              \
913         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
914 #define acpi_handle_err(handle, fmt, ...)                               \
915         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
916 #define acpi_handle_warn(handle, fmt, ...)                              \
917         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
918 #define acpi_handle_notice(handle, fmt, ...)                            \
919         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
920 #define acpi_handle_info(handle, fmt, ...)                              \
921         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
922 
923 #if defined(DEBUG)
924 #define acpi_handle_debug(handle, fmt, ...)                             \
925         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
926 #else
927 #if defined(CONFIG_DYNAMIC_DEBUG)
928 #define acpi_handle_debug(handle, fmt, ...)                             \
929 do {                                                                    \
930         DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
931         if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))          \
932                 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),   \
933                                 ##__VA_ARGS__);                         \
934 } while (0)
935 #else
936 #define acpi_handle_debug(handle, fmt, ...)                             \
937 ({                                                                      \
938         if (0)                                                          \
939                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
940         0;                                                              \
941 })
942 #endif
943 #endif
944 
945 struct acpi_gpio_params {
946         unsigned int crs_entry_index;
947         unsigned int line_index;
948         bool active_low;
949 };
950 
951 struct acpi_gpio_mapping {
952         const char *name;
953         const struct acpi_gpio_params *data;
954         unsigned int size;
955 };
956 
957 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
958 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
959                               const struct acpi_gpio_mapping *gpios);
960 
961 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
962 {
963         if (adev)
964                 adev->driver_gpios = NULL;
965 }
966 
967 int devm_acpi_dev_add_driver_gpios(struct device *dev,
968                                    const struct acpi_gpio_mapping *gpios);
969 void devm_acpi_dev_remove_driver_gpios(struct device *dev);
970 
971 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
972                                 struct acpi_resource_gpio **agpio);
973 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
974 #else
975 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
976                               const struct acpi_gpio_mapping *gpios)
977 {
978         return -ENXIO;
979 }
980 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
981 
982 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
983                               const struct acpi_gpio_mapping *gpios)
984 {
985         return -ENXIO;
986 }
987 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
988 
989 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
990                                               struct acpi_resource_gpio **agpio)
991 {
992         return false;
993 }
994 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
995 {
996         return -ENXIO;
997 }
998 #endif
999 
1000 /* Device properties */
1001 
1002 #define MAX_ACPI_REFERENCE_ARGS 8
1003 struct acpi_reference_args {
1004         struct acpi_device *adev;
1005         size_t nargs;
1006         u64 args[MAX_ACPI_REFERENCE_ARGS];
1007 };
1008 
1009 #ifdef CONFIG_ACPI
1010 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
1011                           acpi_object_type type, const union acpi_object **obj);
1012 int __acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1013                                 const char *name, size_t index, size_t num_args,
1014                                 struct acpi_reference_args *args);
1015 
1016 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1017                                 const char *name, size_t index,
1018                                 struct acpi_reference_args *args)
1019 {
1020         return __acpi_node_get_property_reference(fwnode, name, index,
1021                 MAX_ACPI_REFERENCE_ARGS, args);
1022 }
1023 
1024 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
1025                        void **valptr);
1026 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
1027                               enum dev_prop_type proptype, void *val);
1028 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
1029                         enum dev_prop_type proptype, void *val, size_t nval);
1030 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
1031                        enum dev_prop_type proptype, void *val, size_t nval);
1032 
1033 struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode,
1034                                             struct fwnode_handle *child);
1035 struct fwnode_handle *acpi_node_get_parent(struct fwnode_handle *fwnode);
1036 
1037 struct fwnode_handle *acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
1038                                                    struct fwnode_handle *prev);
1039 int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
1040                                    struct fwnode_handle **remote,
1041                                    struct fwnode_handle **port,
1042                                    struct fwnode_handle **endpoint);
1043 
1044 struct acpi_probe_entry;
1045 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1046                                                  struct acpi_probe_entry *);
1047 
1048 #define ACPI_TABLE_ID_LEN       5
1049 
1050 /**
1051  * struct acpi_probe_entry - boot-time probing entry
1052  * @id:                 ACPI table name
1053  * @type:               Optional subtable type to match
1054  *                      (if @id contains subtables)
1055  * @subtable_valid:     Optional callback to check the validity of
1056  *                      the subtable
1057  * @probe_table:        Callback to the driver being probed when table
1058  *                      match is successful
1059  * @probe_subtbl:       Callback to the driver being probed when table and
1060  *                      subtable match (and optional callback is successful)
1061  * @driver_data:        Sideband data provided back to the driver
1062  */
1063 struct acpi_probe_entry {
1064         __u8 id[ACPI_TABLE_ID_LEN];
1065         __u8 type;
1066         acpi_probe_entry_validate_subtbl subtable_valid;
1067         union {
1068                 acpi_tbl_table_handler probe_table;
1069                 acpi_tbl_entry_handler probe_subtbl;
1070         };
1071         kernel_ulong_t driver_data;
1072 };
1073 
1074 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)      \
1075         static const struct acpi_probe_entry __acpi_probe_##name        \
1076                 __used __section(__##table##_acpi_probe_table)          \
1077                  = {                                                    \
1078                         .id = table_id,                                 \
1079                         .type = subtable,                               \
1080                         .subtable_valid = valid,                        \
1081                         .probe_table = (acpi_tbl_table_handler)fn,      \
1082                         .driver_data = data,                            \
1083                    }
1084 
1085 #define ACPI_PROBE_TABLE(name)          __##name##_acpi_probe_table
1086 #define ACPI_PROBE_TABLE_END(name)      __##name##_acpi_probe_table_end
1087 
1088 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1089 
1090 #define acpi_probe_device_table(t)                                      \
1091         ({                                                              \
1092                 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),     \
1093                                                ACPI_PROBE_TABLE_END(t); \
1094                 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t),         \
1095                                           (&ACPI_PROBE_TABLE_END(t) -   \
1096                                            &ACPI_PROBE_TABLE(t)));      \
1097         })
1098 #else
1099 static inline int acpi_dev_get_property(struct acpi_device *adev,
1100                                         const char *name, acpi_object_type type,
1101                                         const union acpi_object **obj)
1102 {
1103         return -ENXIO;
1104 }
1105 
1106 static inline int
1107 __acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1108                                 const char *name, size_t index, size_t num_args,
1109                                 struct acpi_reference_args *args)
1110 {
1111         return -ENXIO;
1112 }
1113 
1114 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1115                                 const char *name, size_t index,
1116                                 struct acpi_reference_args *args)
1117 {
1118         return -ENXIO;
1119 }
1120 
1121 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
1122                                      const char *propname,
1123                                      void **valptr)
1124 {
1125         return -ENXIO;
1126 }
1127 
1128 static inline int acpi_dev_prop_get(struct acpi_device *adev,
1129                                     const char *propname,
1130                                     void **valptr)
1131 {
1132         return -ENXIO;
1133 }
1134 
1135 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
1136                                             const char *propname,
1137                                             enum dev_prop_type proptype,
1138                                             void *val)
1139 {
1140         return -ENXIO;
1141 }
1142 
1143 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
1144                                       const char *propname,
1145                                       enum dev_prop_type proptype,
1146                                       void *val, size_t nval)
1147 {
1148         return -ENXIO;
1149 }
1150 
1151 static inline int acpi_dev_prop_read(struct acpi_device *adev,
1152                                      const char *propname,
1153                                      enum dev_prop_type proptype,
1154                                      void *val, size_t nval)
1155 {
1156         return -ENXIO;
1157 }
1158 
1159 static inline struct fwnode_handle *
1160 acpi_get_next_subnode(struct fwnode_handle *fwnode, struct fwnode_handle *child)
1161 {
1162         return NULL;
1163 }
1164 
1165 static inline struct fwnode_handle *
1166 acpi_node_get_parent(struct fwnode_handle *fwnode)
1167 {
1168         return NULL;
1169 }
1170 
1171 static inline struct fwnode_handle *
1172 acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
1173                              struct fwnode_handle *prev)
1174 {
1175         return ERR_PTR(-ENXIO);
1176 }
1177 
1178 static inline int
1179 acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
1180                                struct fwnode_handle **remote,
1181                                struct fwnode_handle **port,
1182                                struct fwnode_handle **endpoint)
1183 {
1184         return -ENXIO;
1185 }
1186 
1187 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1188         static const void * __acpi_table_##name[]                       \
1189                 __attribute__((unused))                                 \
1190                  = { (void *) table_id,                                 \
1191                      (void *) subtable,                                 \
1192                      (void *) valid,                                    \
1193                      (void *) fn,                                       \
1194                      (void *) data }
1195 
1196 #define acpi_probe_device_table(t)      ({ int __r = 0; __r;})
1197 #endif
1198 
1199 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1200 void acpi_table_upgrade(void);
1201 #else
1202 static inline void acpi_table_upgrade(void) { }
1203 #endif
1204 
1205 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1206 extern bool acpi_has_watchdog(void);
1207 #else
1208 static inline bool acpi_has_watchdog(void) { return false; }
1209 #endif
1210 
1211 #ifdef CONFIG_ACPI_SPCR_TABLE
1212 extern bool qdf2400_e44_present;
1213 int parse_spcr(bool earlycon);
1214 #else
1215 static inline int parse_spcr(bool earlycon) { return 0; }
1216 #endif
1217 
1218 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1219 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1220 #else
1221 static inline
1222 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1223 {
1224         return -EINVAL;
1225 }
1226 #endif
1227 
1228 #endif  /*_LINUX_ACPI_H*/
1229 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp