acpi.h 24 KB

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  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/resource_ext.h>
  29. #include <linux/device.h>
  30. #include <linux/property.h>
  31. #ifndef _LINUX
  32. #define _LINUX
  33. #endif
  34. #include <acpi/acpi.h>
  35. #ifdef CONFIG_ACPI
  36. #include <linux/list.h>
  37. #include <linux/mod_devicetable.h>
  38. #include <linux/dynamic_debug.h>
  39. #include <acpi/acpi_bus.h>
  40. #include <acpi/acpi_drivers.h>
  41. #include <acpi/acpi_numa.h>
  42. #include <acpi/acpi_io.h>
  43. #include <asm/acpi.h>
  44. static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  45. {
  46. return adev ? adev->handle : NULL;
  47. }
  48. #define ACPI_COMPANION(dev) acpi_node((dev)->fwnode)
  49. #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
  50. acpi_fwnode_handle(adev) : NULL)
  51. #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
  52. static inline bool has_acpi_companion(struct device *dev)
  53. {
  54. return is_acpi_node(dev->fwnode);
  55. }
  56. static inline void acpi_preset_companion(struct device *dev,
  57. struct acpi_device *parent, u64 addr)
  58. {
  59. ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
  60. }
  61. static inline const char *acpi_dev_name(struct acpi_device *adev)
  62. {
  63. return dev_name(&adev->dev);
  64. }
  65. enum acpi_irq_model_id {
  66. ACPI_IRQ_MODEL_PIC = 0,
  67. ACPI_IRQ_MODEL_IOAPIC,
  68. ACPI_IRQ_MODEL_IOSAPIC,
  69. ACPI_IRQ_MODEL_PLATFORM,
  70. ACPI_IRQ_MODEL_GIC,
  71. ACPI_IRQ_MODEL_COUNT
  72. };
  73. extern enum acpi_irq_model_id acpi_irq_model;
  74. enum acpi_interrupt_id {
  75. ACPI_INTERRUPT_PMI = 1,
  76. ACPI_INTERRUPT_INIT,
  77. ACPI_INTERRUPT_CPEI,
  78. ACPI_INTERRUPT_COUNT
  79. };
  80. #define ACPI_SPACE_MEM 0
  81. enum acpi_address_range_id {
  82. ACPI_ADDRESS_RANGE_MEMORY = 1,
  83. ACPI_ADDRESS_RANGE_RESERVED = 2,
  84. ACPI_ADDRESS_RANGE_ACPI = 3,
  85. ACPI_ADDRESS_RANGE_NVS = 4,
  86. ACPI_ADDRESS_RANGE_COUNT
  87. };
  88. /* Table Handlers */
  89. typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
  90. typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
  91. const unsigned long end);
  92. #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
  93. void acpi_initrd_override(void *data, size_t size);
  94. #else
  95. static inline void acpi_initrd_override(void *data, size_t size)
  96. {
  97. }
  98. #endif
  99. #define BAD_MADT_ENTRY(entry, end) ( \
  100. (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
  101. ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
  102. char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
  103. void __acpi_unmap_table(char *map, unsigned long size);
  104. int early_acpi_boot_init(void);
  105. int acpi_boot_init (void);
  106. void acpi_boot_table_init (void);
  107. int acpi_mps_check (void);
  108. int acpi_numa_init (void);
  109. int acpi_table_init (void);
  110. int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
  111. int __init acpi_parse_entries(char *id, unsigned long table_size,
  112. acpi_tbl_entry_handler handler,
  113. struct acpi_table_header *table_header,
  114. int entry_id, unsigned int max_entries);
  115. int __init acpi_table_parse_entries(char *id, unsigned long table_size,
  116. int entry_id,
  117. acpi_tbl_entry_handler handler,
  118. unsigned int max_entries);
  119. int acpi_table_parse_madt(enum acpi_madt_type id,
  120. acpi_tbl_entry_handler handler,
  121. unsigned int max_entries);
  122. int acpi_parse_mcfg (struct acpi_table_header *header);
  123. void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
  124. /* the following four functions are architecture-dependent */
  125. void acpi_numa_slit_init (struct acpi_table_slit *slit);
  126. void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
  127. void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
  128. int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
  129. void acpi_numa_arch_fixup(void);
  130. #ifndef PHYS_CPUID_INVALID
  131. typedef u32 phys_cpuid_t;
  132. #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
  133. #endif
  134. #ifdef CONFIG_ACPI_HOTPLUG_CPU
  135. /* Arch dependent functions for cpu hotplug support */
  136. int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
  137. int acpi_unmap_cpu(int cpu);
  138. #endif /* CONFIG_ACPI_HOTPLUG_CPU */
  139. #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
  140. int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
  141. #endif
  142. int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
  143. int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
  144. int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
  145. void acpi_irq_stats_init(void);
  146. extern u32 acpi_irq_handled;
  147. extern u32 acpi_irq_not_handled;
  148. extern int sbf_port;
  149. extern unsigned long acpi_realmode_flags;
  150. int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
  151. int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
  152. int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
  153. #ifdef CONFIG_X86_IO_APIC
  154. extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
  155. #else
  156. #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
  157. #endif
  158. /*
  159. * This function undoes the effect of one call to acpi_register_gsi().
  160. * If this matches the last registration, any IRQ resources for gsi
  161. * are freed.
  162. */
  163. void acpi_unregister_gsi (u32 gsi);
  164. struct pci_dev;
  165. int acpi_pci_irq_enable (struct pci_dev *dev);
  166. void acpi_penalize_isa_irq(int irq, int active);
  167. void acpi_pci_irq_disable (struct pci_dev *dev);
  168. extern int ec_read(u8 addr, u8 *val);
  169. extern int ec_write(u8 addr, u8 val);
  170. extern int ec_transaction(u8 command,
  171. const u8 *wdata, unsigned wdata_len,
  172. u8 *rdata, unsigned rdata_len);
  173. extern acpi_handle ec_get_handle(void);
  174. extern bool acpi_is_pnp_device(struct acpi_device *);
  175. #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
  176. typedef void (*wmi_notify_handler) (u32 value, void *context);
  177. extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
  178. u32 method_id,
  179. const struct acpi_buffer *in,
  180. struct acpi_buffer *out);
  181. extern acpi_status wmi_query_block(const char *guid, u8 instance,
  182. struct acpi_buffer *out);
  183. extern acpi_status wmi_set_block(const char *guid, u8 instance,
  184. const struct acpi_buffer *in);
  185. extern acpi_status wmi_install_notify_handler(const char *guid,
  186. wmi_notify_handler handler, void *data);
  187. extern acpi_status wmi_remove_notify_handler(const char *guid);
  188. extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
  189. extern bool wmi_has_guid(const char *guid);
  190. #endif /* CONFIG_ACPI_WMI */
  191. #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
  192. #define ACPI_VIDEO_DEVICE_POSTING 0x0002
  193. #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
  194. #define ACPI_VIDEO_BACKLIGHT 0x0008
  195. #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
  196. #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
  197. #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
  198. #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
  199. #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
  200. #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
  201. #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
  202. #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
  203. extern char acpi_video_backlight_string[];
  204. extern long acpi_is_video_device(acpi_handle handle);
  205. #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
  206. extern void acpi_video_dmi_promote_vendor(void);
  207. extern int acpi_video_backlight_support(void);
  208. #else
  209. static inline void acpi_video_dmi_promote_vendor(void)
  210. {
  211. }
  212. static inline int acpi_video_backlight_support(void)
  213. {
  214. return 0;
  215. }
  216. #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
  217. extern int acpi_blacklisted(void);
  218. extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
  219. extern void acpi_osi_setup(char *str);
  220. extern bool acpi_osi_is_win8(void);
  221. #ifdef CONFIG_ACPI_NUMA
  222. int acpi_get_node(acpi_handle handle);
  223. #else
  224. static inline int acpi_get_node(acpi_handle handle)
  225. {
  226. return 0;
  227. }
  228. #endif
  229. extern int acpi_paddr_to_node(u64 start_addr, u64 size);
  230. extern int pnpacpi_disabled;
  231. #define PXM_INVAL (-1)
  232. bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
  233. bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
  234. bool acpi_dev_resource_address_space(struct acpi_resource *ares,
  235. struct resource_win *win);
  236. bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
  237. struct resource_win *win);
  238. unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
  239. bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
  240. struct resource *res);
  241. void acpi_dev_free_resource_list(struct list_head *list);
  242. int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
  243. int (*preproc)(struct acpi_resource *, void *),
  244. void *preproc_data);
  245. int acpi_dev_filter_resource_type(struct acpi_resource *ares,
  246. unsigned long types);
  247. static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
  248. void *arg)
  249. {
  250. return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
  251. }
  252. int acpi_check_resource_conflict(const struct resource *res);
  253. int acpi_check_region(resource_size_t start, resource_size_t n,
  254. const char *name);
  255. int acpi_resources_are_enforced(void);
  256. #ifdef CONFIG_HIBERNATION
  257. void __init acpi_no_s4_hw_signature(void);
  258. #endif
  259. #ifdef CONFIG_PM_SLEEP
  260. void __init acpi_old_suspend_ordering(void);
  261. void __init acpi_nvs_nosave(void);
  262. void __init acpi_nvs_nosave_s3(void);
  263. #endif /* CONFIG_PM_SLEEP */
  264. struct acpi_osc_context {
  265. char *uuid_str; /* UUID string */
  266. int rev;
  267. struct acpi_buffer cap; /* list of DWORD capabilities */
  268. struct acpi_buffer ret; /* free by caller if success */
  269. };
  270. acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
  271. acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
  272. /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
  273. #define OSC_QUERY_DWORD 0 /* DWORD 1 */
  274. #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
  275. #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
  276. /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
  277. #define OSC_QUERY_ENABLE 0x00000001 /* input */
  278. #define OSC_REQUEST_ERROR 0x00000002 /* return */
  279. #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
  280. #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
  281. #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
  282. /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
  283. #define OSC_SB_PAD_SUPPORT 0x00000001
  284. #define OSC_SB_PPC_OST_SUPPORT 0x00000002
  285. #define OSC_SB_PR3_SUPPORT 0x00000004
  286. #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
  287. #define OSC_SB_APEI_SUPPORT 0x00000010
  288. #define OSC_SB_CPC_SUPPORT 0x00000020
  289. extern bool osc_sb_apei_support_acked;
  290. /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
  291. #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
  292. #define OSC_PCI_ASPM_SUPPORT 0x00000002
  293. #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
  294. #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
  295. #define OSC_PCI_MSI_SUPPORT 0x00000010
  296. #define OSC_PCI_SUPPORT_MASKS 0x0000001f
  297. /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
  298. #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
  299. #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
  300. #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
  301. #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
  302. #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
  303. #define OSC_PCI_CONTROL_MASKS 0x0000001f
  304. #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
  305. #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
  306. #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
  307. #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
  308. #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
  309. #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
  310. #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
  311. #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
  312. #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
  313. #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
  314. extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
  315. u32 *mask, u32 req);
  316. /* Enable _OST when all relevant hotplug operations are enabled */
  317. #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
  318. defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
  319. defined(CONFIG_ACPI_CONTAINER)
  320. #define ACPI_HOTPLUG_OST
  321. #endif
  322. /* _OST Source Event Code (OSPM Action) */
  323. #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
  324. #define ACPI_OST_EC_OSPM_EJECT 0x103
  325. #define ACPI_OST_EC_OSPM_INSERTION 0x200
  326. /* _OST General Processing Status Code */
  327. #define ACPI_OST_SC_SUCCESS 0x0
  328. #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
  329. #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
  330. /* _OST OS Shutdown Processing (0x100) Status Code */
  331. #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
  332. #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
  333. #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
  334. #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
  335. /* _OST Ejection Request (0x3, 0x103) Status Code */
  336. #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
  337. #define ACPI_OST_SC_DEVICE_IN_USE 0x81
  338. #define ACPI_OST_SC_DEVICE_BUSY 0x82
  339. #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
  340. #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
  341. /* _OST Insertion Request (0x200) Status Code */
  342. #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
  343. #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
  344. #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
  345. extern void acpi_early_init(void);
  346. extern int acpi_nvs_register(__u64 start, __u64 size);
  347. extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
  348. void *data);
  349. const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
  350. const struct device *dev);
  351. extern bool acpi_driver_match_device(struct device *dev,
  352. const struct device_driver *drv);
  353. int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
  354. int acpi_device_modalias(struct device *, char *, int);
  355. void acpi_walk_dep_device_list(acpi_handle handle);
  356. struct platform_device *acpi_create_platform_device(struct acpi_device *);
  357. #define ACPI_PTR(_ptr) (_ptr)
  358. #else /* !CONFIG_ACPI */
  359. #define acpi_disabled 1
  360. #define ACPI_COMPANION(dev) (NULL)
  361. #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
  362. #define ACPI_HANDLE(dev) (NULL)
  363. struct fwnode_handle;
  364. static inline bool is_acpi_node(struct fwnode_handle *fwnode)
  365. {
  366. return false;
  367. }
  368. static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
  369. {
  370. return NULL;
  371. }
  372. static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
  373. {
  374. return NULL;
  375. }
  376. static inline bool has_acpi_companion(struct device *dev)
  377. {
  378. return false;
  379. }
  380. static inline const char *acpi_dev_name(struct acpi_device *adev)
  381. {
  382. return NULL;
  383. }
  384. static inline void acpi_early_init(void) { }
  385. static inline int early_acpi_boot_init(void)
  386. {
  387. return 0;
  388. }
  389. static inline int acpi_boot_init(void)
  390. {
  391. return 0;
  392. }
  393. static inline void acpi_boot_table_init(void)
  394. {
  395. return;
  396. }
  397. static inline int acpi_mps_check(void)
  398. {
  399. return 0;
  400. }
  401. static inline int acpi_check_resource_conflict(struct resource *res)
  402. {
  403. return 0;
  404. }
  405. static inline int acpi_check_region(resource_size_t start, resource_size_t n,
  406. const char *name)
  407. {
  408. return 0;
  409. }
  410. struct acpi_table_header;
  411. static inline int acpi_table_parse(char *id,
  412. int (*handler)(struct acpi_table_header *))
  413. {
  414. return -ENODEV;
  415. }
  416. static inline int acpi_nvs_register(__u64 start, __u64 size)
  417. {
  418. return 0;
  419. }
  420. static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
  421. void *data)
  422. {
  423. return 0;
  424. }
  425. struct acpi_device_id;
  426. static inline const struct acpi_device_id *acpi_match_device(
  427. const struct acpi_device_id *ids, const struct device *dev)
  428. {
  429. return NULL;
  430. }
  431. static inline bool acpi_driver_match_device(struct device *dev,
  432. const struct device_driver *drv)
  433. {
  434. return false;
  435. }
  436. static inline int acpi_device_uevent_modalias(struct device *dev,
  437. struct kobj_uevent_env *env)
  438. {
  439. return -ENODEV;
  440. }
  441. static inline int acpi_device_modalias(struct device *dev,
  442. char *buf, int size)
  443. {
  444. return -ENODEV;
  445. }
  446. #define ACPI_PTR(_ptr) (NULL)
  447. #endif /* !CONFIG_ACPI */
  448. #ifdef CONFIG_ACPI
  449. void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
  450. u32 pm1a_ctrl, u32 pm1b_ctrl));
  451. acpi_status acpi_os_prepare_sleep(u8 sleep_state,
  452. u32 pm1a_control, u32 pm1b_control);
  453. void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
  454. u32 val_a, u32 val_b));
  455. acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
  456. u32 val_a, u32 val_b);
  457. #ifdef CONFIG_X86
  458. void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
  459. #else
  460. static inline void arch_reserve_mem_area(acpi_physical_address addr,
  461. size_t size)
  462. {
  463. }
  464. #endif /* CONFIG_X86 */
  465. #else
  466. #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
  467. #endif
  468. #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
  469. int acpi_dev_runtime_suspend(struct device *dev);
  470. int acpi_dev_runtime_resume(struct device *dev);
  471. int acpi_subsys_runtime_suspend(struct device *dev);
  472. int acpi_subsys_runtime_resume(struct device *dev);
  473. struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
  474. int acpi_dev_pm_attach(struct device *dev, bool power_on);
  475. #else
  476. static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
  477. static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
  478. static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
  479. static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
  480. static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
  481. {
  482. return NULL;
  483. }
  484. static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
  485. {
  486. return -ENODEV;
  487. }
  488. #endif
  489. #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
  490. int acpi_dev_suspend_late(struct device *dev);
  491. int acpi_dev_resume_early(struct device *dev);
  492. int acpi_subsys_prepare(struct device *dev);
  493. void acpi_subsys_complete(struct device *dev);
  494. int acpi_subsys_suspend_late(struct device *dev);
  495. int acpi_subsys_resume_early(struct device *dev);
  496. int acpi_subsys_suspend(struct device *dev);
  497. int acpi_subsys_freeze(struct device *dev);
  498. #else
  499. static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
  500. static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
  501. static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
  502. static inline void acpi_subsys_complete(struct device *dev) {}
  503. static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
  504. static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
  505. static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
  506. static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
  507. #endif
  508. #ifdef CONFIG_ACPI
  509. __printf(3, 4)
  510. void acpi_handle_printk(const char *level, acpi_handle handle,
  511. const char *fmt, ...);
  512. #else /* !CONFIG_ACPI */
  513. static inline __printf(3, 4) void
  514. acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
  515. #endif /* !CONFIG_ACPI */
  516. #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
  517. __printf(3, 4)
  518. void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
  519. #else
  520. #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
  521. acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
  522. #endif
  523. /*
  524. * acpi_handle_<level>: Print message with ACPI prefix and object path
  525. *
  526. * These interfaces acquire the global namespace mutex to obtain an object
  527. * path. In interrupt context, it shows the object path as <n/a>.
  528. */
  529. #define acpi_handle_emerg(handle, fmt, ...) \
  530. acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
  531. #define acpi_handle_alert(handle, fmt, ...) \
  532. acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
  533. #define acpi_handle_crit(handle, fmt, ...) \
  534. acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
  535. #define acpi_handle_err(handle, fmt, ...) \
  536. acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
  537. #define acpi_handle_warn(handle, fmt, ...) \
  538. acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
  539. #define acpi_handle_notice(handle, fmt, ...) \
  540. acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
  541. #define acpi_handle_info(handle, fmt, ...) \
  542. acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
  543. #if defined(DEBUG)
  544. #define acpi_handle_debug(handle, fmt, ...) \
  545. acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
  546. #else
  547. #if defined(CONFIG_DYNAMIC_DEBUG)
  548. #define acpi_handle_debug(handle, fmt, ...) \
  549. do { \
  550. DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
  551. if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
  552. __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
  553. ##__VA_ARGS__); \
  554. } while (0)
  555. #else
  556. #define acpi_handle_debug(handle, fmt, ...) \
  557. ({ \
  558. if (0) \
  559. acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
  560. 0; \
  561. })
  562. #endif
  563. #endif
  564. struct acpi_gpio_params {
  565. unsigned int crs_entry_index;
  566. unsigned int line_index;
  567. bool active_low;
  568. };
  569. struct acpi_gpio_mapping {
  570. const char *name;
  571. const struct acpi_gpio_params *data;
  572. unsigned int size;
  573. };
  574. #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
  575. int acpi_dev_add_driver_gpios(struct acpi_device *adev,
  576. const struct acpi_gpio_mapping *gpios);
  577. static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
  578. {
  579. if (adev)
  580. adev->driver_gpios = NULL;
  581. }
  582. #else
  583. static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
  584. const struct acpi_gpio_mapping *gpios)
  585. {
  586. return -ENXIO;
  587. }
  588. static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
  589. #endif
  590. /* Device properties */
  591. #define MAX_ACPI_REFERENCE_ARGS 8
  592. struct acpi_reference_args {
  593. struct acpi_device *adev;
  594. size_t nargs;
  595. u64 args[MAX_ACPI_REFERENCE_ARGS];
  596. };
  597. #ifdef CONFIG_ACPI
  598. int acpi_dev_get_property(struct acpi_device *adev, const char *name,
  599. acpi_object_type type, const union acpi_object **obj);
  600. int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
  601. acpi_object_type type,
  602. const union acpi_object **obj);
  603. int acpi_dev_get_property_reference(struct acpi_device *adev,
  604. const char *name, size_t index,
  605. struct acpi_reference_args *args);
  606. int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
  607. void **valptr);
  608. int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
  609. enum dev_prop_type proptype, void *val);
  610. int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
  611. enum dev_prop_type proptype, void *val, size_t nval);
  612. struct acpi_device *acpi_get_next_child(struct device *dev,
  613. struct acpi_device *child);
  614. #else
  615. static inline int acpi_dev_get_property(struct acpi_device *adev,
  616. const char *name, acpi_object_type type,
  617. const union acpi_object **obj)
  618. {
  619. return -ENXIO;
  620. }
  621. static inline int acpi_dev_get_property_array(struct acpi_device *adev,
  622. const char *name,
  623. acpi_object_type type,
  624. const union acpi_object **obj)
  625. {
  626. return -ENXIO;
  627. }
  628. static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
  629. const char *name, const char *cells_name,
  630. size_t index, struct acpi_reference_args *args)
  631. {
  632. return -ENXIO;
  633. }
  634. static inline int acpi_dev_prop_get(struct acpi_device *adev,
  635. const char *propname,
  636. void **valptr)
  637. {
  638. return -ENXIO;
  639. }
  640. static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
  641. const char *propname,
  642. enum dev_prop_type proptype,
  643. void *val)
  644. {
  645. return -ENXIO;
  646. }
  647. static inline int acpi_dev_prop_read(struct acpi_device *adev,
  648. const char *propname,
  649. enum dev_prop_type proptype,
  650. void *val, size_t nval)
  651. {
  652. return -ENXIO;
  653. }
  654. static inline struct acpi_device *acpi_get_next_child(struct device *dev,
  655. struct acpi_device *child)
  656. {
  657. return NULL;
  658. }
  659. #endif
  660. #endif /*_LINUX_ACPI_H*/