acpi.h 22 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734
  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. #ifndef _LINUX_ACPI_H
  25. #define _LINUX_ACPI_H
  26. #include <linux/errno.h>
  27. #include <linux/ioport.h> /* for struct resource */
  28. #include <linux/device.h>
  29. #include <linux/property.h>
  30. #ifndef _LINUX
  31. #define _LINUX
  32. #endif
  33. #include <acpi/acpi.h>
  34. #ifdef CONFIG_ACPI
  35. #include <linux/list.h>
  36. #include <linux/mod_devicetable.h>
  37. #include <linux/dynamic_debug.h>
  38. #include <acpi/acpi_bus.h>
  39. #include <acpi/acpi_drivers.h>
  40. #include <acpi/acpi_numa.h>
  41. #include <acpi/acpi_io.h>
  42. #include <asm/acpi.h>
  43. static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  44. {
  45. return adev ? adev->handle : NULL;
  46. }
  47. #define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
  48. #define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
  49. #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
  50. static inline void acpi_preset_companion(struct device *dev,
  51. struct acpi_device *parent, u64 addr)
  52. {
  53. ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
  54. }
  55. static inline const char *acpi_dev_name(struct acpi_device *adev)
  56. {
  57. return dev_name(&adev->dev);
  58. }
  59. enum acpi_irq_model_id {
  60. ACPI_IRQ_MODEL_PIC = 0,
  61. ACPI_IRQ_MODEL_IOAPIC,
  62. ACPI_IRQ_MODEL_IOSAPIC,
  63. ACPI_IRQ_MODEL_PLATFORM,
  64. ACPI_IRQ_MODEL_COUNT
  65. };
  66. extern enum acpi_irq_model_id acpi_irq_model;
  67. enum acpi_interrupt_id {
  68. ACPI_INTERRUPT_PMI = 1,
  69. ACPI_INTERRUPT_INIT,
  70. ACPI_INTERRUPT_CPEI,
  71. ACPI_INTERRUPT_COUNT
  72. };
  73. #define ACPI_SPACE_MEM 0
  74. enum acpi_address_range_id {
  75. ACPI_ADDRESS_RANGE_MEMORY = 1,
  76. ACPI_ADDRESS_RANGE_RESERVED = 2,
  77. ACPI_ADDRESS_RANGE_ACPI = 3,
  78. ACPI_ADDRESS_RANGE_NVS = 4,
  79. ACPI_ADDRESS_RANGE_COUNT
  80. };
  81. /* Table Handlers */
  82. typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
  83. typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
  84. const unsigned long end);
  85. #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
  86. void acpi_initrd_override(void *data, size_t size);
  87. #else
  88. static inline void acpi_initrd_override(void *data, size_t size)
  89. {
  90. }
  91. #endif
  92. #define BAD_MADT_ENTRY(entry, end) ( \
  93. (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
  94. ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
  95. char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
  96. void __acpi_unmap_table(char *map, unsigned long size);
  97. int early_acpi_boot_init(void);
  98. int acpi_boot_init (void);
  99. void acpi_boot_table_init (void);
  100. int acpi_mps_check (void);
  101. int acpi_numa_init (void);
  102. int acpi_table_init (void);
  103. int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
  104. int __init acpi_table_parse_entries(char *id, unsigned long table_size,
  105. int entry_id,
  106. acpi_tbl_entry_handler handler,
  107. unsigned int max_entries);
  108. int acpi_table_parse_madt(enum acpi_madt_type id,
  109. acpi_tbl_entry_handler handler,
  110. unsigned int max_entries);
  111. int acpi_parse_mcfg (struct acpi_table_header *header);
  112. void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
  113. /* the following four functions are architecture-dependent */
  114. void acpi_numa_slit_init (struct acpi_table_slit *slit);
  115. void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
  116. void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
  117. int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
  118. void acpi_numa_arch_fixup(void);
  119. #ifdef CONFIG_ACPI_HOTPLUG_CPU
  120. /* Arch dependent functions for cpu hotplug support */
  121. int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
  122. int acpi_unmap_lsapic(int cpu);
  123. #endif /* CONFIG_ACPI_HOTPLUG_CPU */
  124. int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
  125. int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
  126. void acpi_irq_stats_init(void);
  127. extern u32 acpi_irq_handled;
  128. extern u32 acpi_irq_not_handled;
  129. extern int sbf_port;
  130. extern unsigned long acpi_realmode_flags;
  131. int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
  132. int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
  133. int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
  134. #ifdef CONFIG_X86_IO_APIC
  135. extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
  136. #else
  137. #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
  138. #endif
  139. /*
  140. * This function undoes the effect of one call to acpi_register_gsi().
  141. * If this matches the last registration, any IRQ resources for gsi
  142. * are freed.
  143. */
  144. void acpi_unregister_gsi (u32 gsi);
  145. struct pci_dev;
  146. int acpi_pci_irq_enable (struct pci_dev *dev);
  147. void acpi_penalize_isa_irq(int irq, int active);
  148. void acpi_pci_irq_disable (struct pci_dev *dev);
  149. extern int ec_read(u8 addr, u8 *val);
  150. extern int ec_write(u8 addr, u8 val);
  151. extern int ec_transaction(u8 command,
  152. const u8 *wdata, unsigned wdata_len,
  153. u8 *rdata, unsigned rdata_len);
  154. extern acpi_handle ec_get_handle(void);
  155. extern bool acpi_is_pnp_device(struct acpi_device *);
  156. #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
  157. typedef void (*wmi_notify_handler) (u32 value, void *context);
  158. extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
  159. u32 method_id,
  160. const struct acpi_buffer *in,
  161. struct acpi_buffer *out);
  162. extern acpi_status wmi_query_block(const char *guid, u8 instance,
  163. struct acpi_buffer *out);
  164. extern acpi_status wmi_set_block(const char *guid, u8 instance,
  165. const struct acpi_buffer *in);
  166. extern acpi_status wmi_install_notify_handler(const char *guid,
  167. wmi_notify_handler handler, void *data);
  168. extern acpi_status wmi_remove_notify_handler(const char *guid);
  169. extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
  170. extern bool wmi_has_guid(const char *guid);
  171. #endif /* CONFIG_ACPI_WMI */
  172. #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
  173. #define ACPI_VIDEO_DEVICE_POSTING 0x0002
  174. #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
  175. #define ACPI_VIDEO_BACKLIGHT 0x0008
  176. #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
  177. #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
  178. #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
  179. #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
  180. #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
  181. #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
  182. #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
  183. #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
  184. #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
  185. extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
  186. extern long acpi_is_video_device(acpi_handle handle);
  187. extern void acpi_video_dmi_promote_vendor(void);
  188. extern void acpi_video_dmi_demote_vendor(void);
  189. extern int acpi_video_backlight_support(void);
  190. extern int acpi_video_display_switch_support(void);
  191. #else
  192. static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
  193. {
  194. return 0;
  195. }
  196. static inline long acpi_is_video_device(acpi_handle handle)
  197. {
  198. return 0;
  199. }
  200. static inline void acpi_video_dmi_promote_vendor(void)
  201. {
  202. }
  203. static inline void acpi_video_dmi_demote_vendor(void)
  204. {
  205. }
  206. static inline int acpi_video_backlight_support(void)
  207. {
  208. return 0;
  209. }
  210. static inline int acpi_video_display_switch_support(void)
  211. {
  212. return 0;
  213. }
  214. #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
  215. extern int acpi_blacklisted(void);
  216. extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
  217. extern void acpi_osi_setup(char *str);
  218. #ifdef CONFIG_ACPI_NUMA
  219. int acpi_get_node(acpi_handle handle);
  220. #else
  221. static inline int acpi_get_node(acpi_handle handle)
  222. {
  223. return 0;
  224. }
  225. #endif
  226. extern int acpi_paddr_to_node(u64 start_addr, u64 size);
  227. extern int pnpacpi_disabled;
  228. #define PXM_INVAL (-1)
  229. bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
  230. bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
  231. bool acpi_dev_resource_address_space(struct acpi_resource *ares,
  232. struct resource *res);
  233. bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
  234. struct resource *res);
  235. unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
  236. bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
  237. struct resource *res);
  238. struct resource_list_entry {
  239. struct list_head node;
  240. struct resource res;
  241. };
  242. void acpi_dev_free_resource_list(struct list_head *list);
  243. int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
  244. int (*preproc)(struct acpi_resource *, void *),
  245. void *preproc_data);
  246. int acpi_check_resource_conflict(const struct resource *res);
  247. int acpi_check_region(resource_size_t start, resource_size_t n,
  248. const char *name);
  249. int acpi_resources_are_enforced(void);
  250. #ifdef CONFIG_HIBERNATION
  251. void __init acpi_no_s4_hw_signature(void);
  252. #endif
  253. #ifdef CONFIG_PM_SLEEP
  254. void __init acpi_old_suspend_ordering(void);
  255. void __init acpi_nvs_nosave(void);
  256. void __init acpi_nvs_nosave_s3(void);
  257. #endif /* CONFIG_PM_SLEEP */
  258. struct acpi_osc_context {
  259. char *uuid_str; /* UUID string */
  260. int rev;
  261. struct acpi_buffer cap; /* list of DWORD capabilities */
  262. struct acpi_buffer ret; /* free by caller if success */
  263. };
  264. acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
  265. acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
  266. /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
  267. #define OSC_QUERY_DWORD 0 /* DWORD 1 */
  268. #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
  269. #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
  270. /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
  271. #define OSC_QUERY_ENABLE 0x00000001 /* input */
  272. #define OSC_REQUEST_ERROR 0x00000002 /* return */
  273. #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
  274. #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
  275. #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
  276. /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
  277. #define OSC_SB_PAD_SUPPORT 0x00000001
  278. #define OSC_SB_PPC_OST_SUPPORT 0x00000002
  279. #define OSC_SB_PR3_SUPPORT 0x00000004
  280. #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
  281. #define OSC_SB_APEI_SUPPORT 0x00000010
  282. #define OSC_SB_CPC_SUPPORT 0x00000020
  283. extern bool osc_sb_apei_support_acked;
  284. /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
  285. #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
  286. #define OSC_PCI_ASPM_SUPPORT 0x00000002
  287. #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
  288. #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
  289. #define OSC_PCI_MSI_SUPPORT 0x00000010
  290. #define OSC_PCI_SUPPORT_MASKS 0x0000001f
  291. /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
  292. #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
  293. #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
  294. #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
  295. #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
  296. #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
  297. #define OSC_PCI_CONTROL_MASKS 0x0000001f
  298. #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
  299. #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
  300. #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
  301. #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
  302. #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
  303. #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
  304. #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
  305. #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
  306. #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
  307. #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
  308. extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
  309. u32 *mask, u32 req);
  310. /* Enable _OST when all relevant hotplug operations are enabled */
  311. #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
  312. defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
  313. defined(CONFIG_ACPI_CONTAINER)
  314. #define ACPI_HOTPLUG_OST
  315. #endif
  316. /* _OST Source Event Code (OSPM Action) */
  317. #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
  318. #define ACPI_OST_EC_OSPM_EJECT 0x103
  319. #define ACPI_OST_EC_OSPM_INSERTION 0x200
  320. /* _OST General Processing Status Code */
  321. #define ACPI_OST_SC_SUCCESS 0x0
  322. #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
  323. #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
  324. /* _OST OS Shutdown Processing (0x100) Status Code */
  325. #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
  326. #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
  327. #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
  328. #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
  329. /* _OST Ejection Request (0x3, 0x103) Status Code */
  330. #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
  331. #define ACPI_OST_SC_DEVICE_IN_USE 0x81
  332. #define ACPI_OST_SC_DEVICE_BUSY 0x82
  333. #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
  334. #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
  335. /* _OST Insertion Request (0x200) Status Code */
  336. #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
  337. #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
  338. #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
  339. extern void acpi_early_init(void);
  340. extern int acpi_nvs_register(__u64 start, __u64 size);
  341. extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
  342. void *data);
  343. const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
  344. const struct device *dev);
  345. static inline bool acpi_driver_match_device(struct device *dev,
  346. const struct device_driver *drv)
  347. {
  348. return !!acpi_match_device(drv->acpi_match_table, dev);
  349. }
  350. int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
  351. int acpi_device_modalias(struct device *, char *, int);
  352. struct platform_device *acpi_create_platform_device(struct acpi_device *);
  353. #define ACPI_PTR(_ptr) (_ptr)
  354. #else /* !CONFIG_ACPI */
  355. #define acpi_disabled 1
  356. #define ACPI_COMPANION(dev) (NULL)
  357. #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
  358. #define ACPI_HANDLE(dev) (NULL)
  359. static inline const char *acpi_dev_name(struct acpi_device *adev)
  360. {
  361. return NULL;
  362. }
  363. static inline void acpi_early_init(void) { }
  364. static inline int early_acpi_boot_init(void)
  365. {
  366. return 0;
  367. }
  368. static inline int acpi_boot_init(void)
  369. {
  370. return 0;
  371. }
  372. static inline void acpi_boot_table_init(void)
  373. {
  374. return;
  375. }
  376. static inline int acpi_mps_check(void)
  377. {
  378. return 0;
  379. }
  380. static inline int acpi_check_resource_conflict(struct resource *res)
  381. {
  382. return 0;
  383. }
  384. static inline int acpi_check_region(resource_size_t start, resource_size_t n,
  385. const char *name)
  386. {
  387. return 0;
  388. }
  389. struct acpi_table_header;
  390. static inline int acpi_table_parse(char *id,
  391. int (*handler)(struct acpi_table_header *))
  392. {
  393. return -ENODEV;
  394. }
  395. static inline int acpi_nvs_register(__u64 start, __u64 size)
  396. {
  397. return 0;
  398. }
  399. static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
  400. void *data)
  401. {
  402. return 0;
  403. }
  404. struct acpi_device_id;
  405. static inline const struct acpi_device_id *acpi_match_device(
  406. const struct acpi_device_id *ids, const struct device *dev)
  407. {
  408. return NULL;
  409. }
  410. static inline bool acpi_driver_match_device(struct device *dev,
  411. const struct device_driver *drv)
  412. {
  413. return false;
  414. }
  415. static inline int acpi_device_uevent_modalias(struct device *dev,
  416. struct kobj_uevent_env *env)
  417. {
  418. return -ENODEV;
  419. }
  420. static inline int acpi_device_modalias(struct device *dev,
  421. char *buf, int size)
  422. {
  423. return -ENODEV;
  424. }
  425. #define ACPI_PTR(_ptr) (NULL)
  426. #endif /* !CONFIG_ACPI */
  427. #ifdef CONFIG_ACPI
  428. void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
  429. u32 pm1a_ctrl, u32 pm1b_ctrl));
  430. acpi_status acpi_os_prepare_sleep(u8 sleep_state,
  431. u32 pm1a_control, u32 pm1b_control);
  432. void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
  433. u32 val_a, u32 val_b));
  434. acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
  435. u32 val_a, u32 val_b);
  436. #ifdef CONFIG_X86
  437. void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
  438. #else
  439. static inline void arch_reserve_mem_area(acpi_physical_address addr,
  440. size_t size)
  441. {
  442. }
  443. #endif /* CONFIG_X86 */
  444. #else
  445. #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
  446. #endif
  447. #if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
  448. int acpi_dev_runtime_suspend(struct device *dev);
  449. int acpi_dev_runtime_resume(struct device *dev);
  450. int acpi_subsys_runtime_suspend(struct device *dev);
  451. int acpi_subsys_runtime_resume(struct device *dev);
  452. #else
  453. static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
  454. static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
  455. static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
  456. static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
  457. #endif
  458. #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
  459. int acpi_dev_suspend_late(struct device *dev);
  460. int acpi_dev_resume_early(struct device *dev);
  461. int acpi_subsys_prepare(struct device *dev);
  462. void acpi_subsys_complete(struct device *dev);
  463. int acpi_subsys_suspend_late(struct device *dev);
  464. int acpi_subsys_resume_early(struct device *dev);
  465. int acpi_subsys_suspend(struct device *dev);
  466. int acpi_subsys_freeze(struct device *dev);
  467. #else
  468. static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
  469. static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
  470. static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
  471. static inline void acpi_subsys_complete(struct device *dev) {}
  472. static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
  473. static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
  474. static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
  475. static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
  476. #endif
  477. #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
  478. struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
  479. int acpi_dev_pm_attach(struct device *dev, bool power_on);
  480. #else
  481. static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
  482. {
  483. return NULL;
  484. }
  485. static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
  486. {
  487. return -ENODEV;
  488. }
  489. #endif
  490. #ifdef CONFIG_ACPI
  491. __printf(3, 4)
  492. void acpi_handle_printk(const char *level, acpi_handle handle,
  493. const char *fmt, ...);
  494. #else /* !CONFIG_ACPI */
  495. static inline __printf(3, 4) void
  496. acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
  497. #endif /* !CONFIG_ACPI */
  498. #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
  499. __printf(3, 4)
  500. void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
  501. #else
  502. #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
  503. acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
  504. #endif
  505. /*
  506. * acpi_handle_<level>: Print message with ACPI prefix and object path
  507. *
  508. * These interfaces acquire the global namespace mutex to obtain an object
  509. * path. In interrupt context, it shows the object path as <n/a>.
  510. */
  511. #define acpi_handle_emerg(handle, fmt, ...) \
  512. acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
  513. #define acpi_handle_alert(handle, fmt, ...) \
  514. acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
  515. #define acpi_handle_crit(handle, fmt, ...) \
  516. acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
  517. #define acpi_handle_err(handle, fmt, ...) \
  518. acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
  519. #define acpi_handle_warn(handle, fmt, ...) \
  520. acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
  521. #define acpi_handle_notice(handle, fmt, ...) \
  522. acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
  523. #define acpi_handle_info(handle, fmt, ...) \
  524. acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
  525. #if defined(DEBUG)
  526. #define acpi_handle_debug(handle, fmt, ...) \
  527. acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
  528. #else
  529. #if defined(CONFIG_DYNAMIC_DEBUG)
  530. #define acpi_handle_debug(handle, fmt, ...) \
  531. do { \
  532. DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
  533. if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
  534. __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
  535. ##__VA_ARGS__); \
  536. } while (0)
  537. #else
  538. #define acpi_handle_debug(handle, fmt, ...) \
  539. ({ \
  540. if (0) \
  541. acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
  542. 0; \
  543. })
  544. #endif
  545. #endif
  546. /* Device properties */
  547. #define MAX_ACPI_REFERENCE_ARGS 8
  548. struct acpi_reference_args {
  549. struct acpi_device *adev;
  550. size_t nargs;
  551. u64 args[MAX_ACPI_REFERENCE_ARGS];
  552. };
  553. #ifdef CONFIG_ACPI
  554. int acpi_dev_get_property(struct acpi_device *adev, const char *name,
  555. acpi_object_type type, const union acpi_object **obj);
  556. int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
  557. acpi_object_type type,
  558. const union acpi_object **obj);
  559. int acpi_dev_get_property_reference(struct acpi_device *adev, const char *name,
  560. const char *cells_name, size_t index,
  561. struct acpi_reference_args *args);
  562. int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
  563. void **valptr);
  564. int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
  565. enum dev_prop_type proptype, void *val);
  566. int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
  567. enum dev_prop_type proptype, void *val, size_t nval);
  568. #else
  569. static inline int acpi_dev_get_property(struct acpi_device *adev,
  570. const char *name, acpi_object_type type,
  571. const union acpi_object **obj)
  572. {
  573. return -ENXIO;
  574. }
  575. static inline int acpi_dev_get_property_array(struct acpi_device *adev,
  576. const char *name,
  577. acpi_object_type type,
  578. const union acpi_object **obj)
  579. {
  580. return -ENXIO;
  581. }
  582. static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
  583. const char *name, const char *cells_name,
  584. size_t index, struct acpi_reference_args *args)
  585. {
  586. return -ENXIO;
  587. }
  588. static inline int acpi_dev_prop_get(struct acpi_device *adev,
  589. const char *propname,
  590. void **valptr)
  591. {
  592. return -ENXIO;
  593. }
  594. static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
  595. const char *propname,
  596. enum dev_prop_type proptype,
  597. void *val)
  598. {
  599. return -ENXIO;
  600. }
  601. static inline int acpi_dev_prop_read(struct acpi_device *adev,
  602. const char *propname,
  603. enum dev_prop_type proptype,
  604. void *val, size_t nval)
  605. {
  606. return -ENXIO;
  607. }
  608. #endif
  609. #endif /*_LINUX_ACPI_H*/