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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070018 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
19 */
20
21#ifndef _LINUX_ACPI_H
22#define _LINUX_ACPI_H
23
Rafael J. Wysocki51333752012-11-15 13:15:37 +010024#include <linux/errno.h>
Thomas Renninger443dea72008-02-04 23:31:23 -080025#include <linux/ioport.h> /* for struct resource */
Jiang Liu90e97822015-02-05 13:44:43 +080026#include <linux/resource_ext.h>
Mika Westerbergcf761af2012-10-31 22:44:41 +010027#include <linux/device.h>
Rafael J. Wysockib31384f2014-11-04 01:28:56 +010028#include <linux/property.h>
David Mosberger3f5948f2005-06-06 15:50:09 -070029
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#ifndef _LINUX
31#define _LINUX
32#endif
Lv Zheng633adab2014-07-16 16:58:30 +080033#include <acpi/acpi.h>
34
35#ifdef CONFIG_ACPI
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
37#include <linux/list.h>
Thomas Renninger29b71a12007-07-23 14:43:51 +020038#include <linux/mod_devicetable.h>
Bjørn Mork45fef5b2014-05-22 12:47:47 +020039#include <linux/dynamic_debug.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#include <acpi/acpi_bus.h>
42#include <acpi/acpi_drivers.h>
Yasunori Goto762834e2006-06-23 02:03:19 -070043#include <acpi/acpi_numa.h>
Lv Zheng27d50c82013-12-06 16:52:05 +080044#include <acpi/acpi_io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#include <asm/acpi.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
Rafael J. Wysocki7b199812013-11-11 22:41:56 +010047static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
48{
49 return adev ? adev->handle : NULL;
50}
51
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +020052#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
Rafael J. Wysocki97badf82015-04-03 23:23:37 +020053#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
54 acpi_fwnode_handle(adev) : NULL)
Rafael J. Wysocki7b199812013-11-11 22:41:56 +010055#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
56
Suthikulpanit, Suravee26095a02015-07-07 01:55:20 +020057/**
58 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
59 * the PCI-defined class-code information
60 *
61 * @_cls : the class, subclass, prog-if triple for this device
62 * @_msk : the class mask for this device
63 *
64 * This macro is used to create a struct acpi_device_id that matches a
65 * specific PCI class. The .id and .driver_data fields will be left
66 * initialized with the default value.
67 */
68#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
69
Rafael J. Wysockica5b74d2015-03-16 23:49:08 +010070static inline bool has_acpi_companion(struct device *dev)
71{
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +020072 return is_acpi_device_node(dev->fwnode);
Rafael J. Wysockica5b74d2015-03-16 23:49:08 +010073}
74
Rafael J. Wysocki9c5ad362013-11-28 23:58:28 +010075static inline void acpi_preset_companion(struct device *dev,
76 struct acpi_device *parent, u64 addr)
77{
78 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
79}
80
Jarkko Nikula45c42a72013-11-14 14:03:51 +020081static inline const char *acpi_dev_name(struct acpi_device *adev)
82{
83 return dev_name(&adev->dev);
84}
85
Linus Torvalds1da177e2005-04-16 15:20:36 -070086enum acpi_irq_model_id {
87 ACPI_IRQ_MODEL_PIC = 0,
88 ACPI_IRQ_MODEL_IOAPIC,
89 ACPI_IRQ_MODEL_IOSAPIC,
John Keller3948ec92006-12-22 11:50:04 -060090 ACPI_IRQ_MODEL_PLATFORM,
Hanjun Guofbe61ec2015-03-24 14:02:48 +000091 ACPI_IRQ_MODEL_GIC,
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 ACPI_IRQ_MODEL_COUNT
93};
94
95extern enum acpi_irq_model_id acpi_irq_model;
96
Linus Torvalds1da177e2005-04-16 15:20:36 -070097enum acpi_interrupt_id {
98 ACPI_INTERRUPT_PMI = 1,
99 ACPI_INTERRUPT_INIT,
100 ACPI_INTERRUPT_CPEI,
101 ACPI_INTERRUPT_COUNT
102};
103
104#define ACPI_SPACE_MEM 0
105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106enum acpi_address_range_id {
107 ACPI_ADDRESS_RANGE_MEMORY = 1,
108 ACPI_ADDRESS_RANGE_RESERVED = 2,
109 ACPI_ADDRESS_RANGE_ACPI = 3,
110 ACPI_ADDRESS_RANGE_NVS = 4,
111 ACPI_ADDRESS_RANGE_COUNT
112};
113
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115/* Table Handlers */
116
Lv Zhengb43e1062013-01-12 15:29:38 +0000117typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118
Lv Zhengb43e1062013-01-12 15:29:38 +0000119typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
120 const unsigned long end);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
Thomas Renninger53aac442012-10-01 00:23:54 +0200122#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
123void acpi_initrd_override(void *data, size_t size);
124#else
125static inline void acpi_initrd_override(void *data, size_t size)
126{
127}
128#endif
129
Hanjun Guo328281b2014-02-19 00:23:57 +0800130#define BAD_MADT_ENTRY(entry, end) ( \
131 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
132 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
133
Lukasz Anaczkowski9b3fedd2015-09-09 15:47:28 +0200134struct acpi_subtable_proc {
135 int id;
136 acpi_tbl_entry_handler handler;
137 int count;
138};
139
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
Yinghai Lu970ec1a2009-02-15 14:06:13 -0800141void __acpi_unmap_table(char *map, unsigned long size);
Yinghai Lucbf9bd62008-02-19 03:21:06 -0800142int early_acpi_boot_init(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143int acpi_boot_init (void);
Len Brown8558e392010-01-06 16:11:06 -0500144void acpi_boot_table_init (void);
Yinghai Lu3c999f12008-06-20 16:11:20 -0700145int acpi_mps_check (void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146int acpi_numa_init (void);
147
148int acpi_table_init (void);
Lv Zhengb43e1062013-01-12 15:29:38 +0000149int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
Ashwin Chaugulef08bb472014-11-26 22:01:13 +0800150int __init acpi_parse_entries(char *id, unsigned long table_size,
151 acpi_tbl_entry_handler handler,
152 struct acpi_table_header *table_header,
153 int entry_id, unsigned int max_entries);
Len Brown6eb87fe2007-02-10 22:17:07 -0500154int __init acpi_table_parse_entries(char *id, unsigned long table_size,
Lukasz Anaczkowski9b3fedd2015-09-09 15:47:28 +0200155 int entry_id,
156 acpi_tbl_entry_handler handler,
157 unsigned int max_entries);
158int __init acpi_table_parse_entries(char *id, unsigned long table_size,
159 int entry_id,
160 acpi_tbl_entry_handler handler,
161 unsigned int max_entries);
162int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
163 struct acpi_subtable_proc *proc, int proc_num,
164 unsigned int max_entries);
Lv Zhengb43e1062013-01-12 15:29:38 +0000165int acpi_table_parse_madt(enum acpi_madt_type id,
166 acpi_tbl_entry_handler handler,
167 unsigned int max_entries);
Alexey Starikovskiyceb6c462007-02-02 19:48:22 +0300168int acpi_parse_mcfg (struct acpi_table_header *header);
Alexey Starikovskiy5f3b1a82007-02-02 19:48:22 +0300169void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
171/* the following four functions are architecture-dependent */
172void acpi_numa_slit_init (struct acpi_table_slit *slit);
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +0300173void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
Suresh Siddha7237d3d2009-03-30 13:55:30 -0800174void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
Thomas Renninger095adbb2012-07-31 17:41:09 +0200175int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176void acpi_numa_arch_fixup(void);
177
Catalin Marinas828aef32015-03-24 14:02:46 +0000178#ifndef PHYS_CPUID_INVALID
179typedef u32 phys_cpuid_t;
180#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
181#endif
182
Hanjun Guo25956b62015-05-11 12:17:13 +0800183static inline bool invalid_logical_cpuid(u32 cpuid)
184{
185 return (int)cpuid < 0;
186}
187
Hanjun Guoddcc18f2015-05-13 16:19:30 +0800188static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
189{
190 return phys_id == PHYS_CPUID_INVALID;
191}
192
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193#ifdef CONFIG_ACPI_HOTPLUG_CPU
194/* Arch dependent functions for cpu hotplug support */
Catalin Marinas828aef32015-03-24 14:02:46 +0000195int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
Hanjun Guod02dc272015-01-04 18:55:03 +0800196int acpi_unmap_cpu(int cpu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197#endif /* CONFIG_ACPI_HOTPLUG_CPU */
198
Yinghai Luecf56362015-02-05 13:44:48 +0800199#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
200int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
201#endif
202
Kenji Kaneshigeb1bb2482005-04-28 00:25:58 -0700203int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
204int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
Jiang Liue89900c2014-10-27 13:21:47 +0800205int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
Len Brown5229e872008-02-06 01:26:55 -0500206void acpi_irq_stats_init(void);
Len Brown5229e872008-02-06 01:26:55 -0500207extern u32 acpi_irq_handled;
Len Brown88bea182009-04-21 00:35:47 -0400208extern u32 acpi_irq_not_handled;
Chen Yu49e4b8432015-10-25 01:02:19 +0800209extern unsigned int acpi_sci_irq;
210#define INVALID_ACPI_IRQ ((unsigned)-1)
211static inline bool acpi_sci_irq_valid(void)
212{
213 return acpi_sci_irq != INVALID_ACPI_IRQ;
214}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215
Pavel Machekc255d842006-02-20 18:27:58 -0800216extern int sbf_port;
Pavel Machek77afcf72007-07-19 01:47:41 -0700217extern unsigned long acpi_realmode_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218
Yinghai Lua2f809b2009-04-27 18:01:20 -0700219int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
Eric W. Biederman2c2df842010-03-30 01:07:02 -0700221int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222
Marc Zyngier2bc6eba2015-10-13 12:51:38 +0100223void acpi_set_irq_model(enum acpi_irq_model_id model,
224 struct fwnode_handle *fwnode);
225
Shaohua Li61fd47e2007-11-17 01:05:28 -0500226#ifdef CONFIG_X86_IO_APIC
Eric W. Biederman9a0a91b2010-03-30 01:07:03 -0700227extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
Shaohua Li61fd47e2007-11-17 01:05:28 -0500228#else
Eric W. Biederman9a0a91b2010-03-30 01:07:03 -0700229#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
Shaohua Li61fd47e2007-11-17 01:05:28 -0500230#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231/*
232 * This function undoes the effect of one call to acpi_register_gsi().
233 * If this matches the last registration, any IRQ resources for gsi
234 * are freed.
235 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236void acpi_unregister_gsi (u32 gsi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238struct pci_dev;
239
240int acpi_pci_irq_enable (struct pci_dev *dev);
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500241void acpi_penalize_isa_irq(int irq, int active);
Jiang Liu5ebc7602015-09-17 14:02:45 +0800242bool acpi_isa_irq_available(int irq);
Jiang Liu5d0ddfe2015-08-21 15:36:23 +0800243void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244void acpi_pci_irq_disable (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246extern int ec_read(u8 addr, u8 *val);
247extern int ec_write(u8 addr, u8 val);
Lennart Poetteringd7a76e42006-09-05 12:12:24 -0400248extern int ec_transaction(u8 command,
249 const u8 *wdata, unsigned wdata_len,
Thomas Renninger1cb7b1e2011-03-31 13:36:38 +0200250 u8 *rdata, unsigned rdata_len);
Seth Forshee3e2abc52012-01-18 13:44:08 -0600251extern acpi_handle ec_get_handle(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252
Zhang Ruieec15ed2014-05-30 04:23:01 +0200253extern bool acpi_is_pnp_device(struct acpi_device *);
254
Carlos Corbachobff431e2008-02-05 02:17:04 +0000255#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
256
257typedef void (*wmi_notify_handler) (u32 value, void *context);
258
259extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
260 u32 method_id,
261 const struct acpi_buffer *in,
262 struct acpi_buffer *out);
263extern acpi_status wmi_query_block(const char *guid, u8 instance,
264 struct acpi_buffer *out);
265extern acpi_status wmi_set_block(const char *guid, u8 instance,
266 const struct acpi_buffer *in);
267extern acpi_status wmi_install_notify_handler(const char *guid,
268 wmi_notify_handler handler, void *data);
269extern acpi_status wmi_remove_notify_handler(const char *guid);
270extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
271extern bool wmi_has_guid(const char *guid);
272
273#endif /* CONFIG_ACPI_WMI */
274
Thomas Renningerc3d6de62008-08-01 17:37:55 +0200275#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
276#define ACPI_VIDEO_DEVICE_POSTING 0x0002
277#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
278#define ACPI_VIDEO_BACKLIGHT 0x0008
279#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
280#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
281#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
282#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
283#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
284#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
285#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
286#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
287
Hans de Goede14ca7a472015-06-16 16:27:47 +0200288extern char acpi_video_backlight_string[];
Toshi Kanid4e1a692013-03-04 21:30:41 +0000289extern long acpi_is_video_device(acpi_handle handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290extern int acpi_blacklisted(void);
Len Brownd4b7dc42008-01-23 20:50:56 -0500291extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
Lin Mingd90aa922010-12-09 16:50:52 +0800292extern void acpi_osi_setup(char *str);
Hans de Goedea87878b2015-06-16 16:27:46 +0200293extern bool acpi_osi_is_win8(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295#ifdef CONFIG_ACPI_NUMA
Toshi Kani99759862015-06-19 17:14:15 -0600296int acpi_map_pxm_to_online_node(int pxm);
Bjorn Helgaas486c79b2014-01-24 15:25:10 -0700297int acpi_get_node(acpi_handle handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298#else
Toshi Kani99759862015-06-19 17:14:15 -0600299static inline int acpi_map_pxm_to_online_node(int pxm)
300{
301 return 0;
302}
Bjorn Helgaas486c79b2014-01-24 15:25:10 -0700303static inline int acpi_get_node(acpi_handle handle)
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700304{
305 return 0;
306}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307#endif
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700308extern int acpi_paddr_to_node(u64 start_addr, u64 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309
310extern int pnpacpi_disabled;
311
David Rientjes3484d792007-07-21 17:10:32 +0200312#define PXM_INVAL (-1)
David Rientjes3484d792007-07-21 17:10:32 +0200313
Rafael J. Wysocki046d9ce2012-11-15 00:30:01 +0100314bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
315bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
316bool acpi_dev_resource_address_space(struct acpi_resource *ares,
Jiang Liua49170b2015-02-02 10:42:58 +0800317 struct resource_win *win);
Rafael J. Wysocki046d9ce2012-11-15 00:30:01 +0100318bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
Jiang Liua49170b2015-02-02 10:42:58 +0800319 struct resource_win *win);
Rafael J. Wysocki046d9ce2012-11-15 00:30:01 +0100320unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
321bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
322 struct resource *res);
323
Rafael J. Wysocki8e345c92012-11-15 00:30:21 +0100324void acpi_dev_free_resource_list(struct list_head *list);
325int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
326 int (*preproc)(struct acpi_resource *, void *),
327 void *preproc_data);
Jiang Liu62d11412015-02-02 10:43:01 +0800328int acpi_dev_filter_resource_type(struct acpi_resource *ares,
329 unsigned long types);
330
331static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
332 void *arg)
333{
334 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
335}
Rafael J. Wysocki8e345c92012-11-15 00:30:21 +0100336
Jean Delvare876fba42009-11-11 15:22:15 +0100337int acpi_check_resource_conflict(const struct resource *res);
Thomas Renninger443dea72008-02-04 23:31:23 -0800338
Thomas Renningerdf92e692008-02-04 23:31:22 -0800339int acpi_check_region(resource_size_t start, resource_size_t n,
340 const char *name);
Thomas Renningerdf92e692008-02-04 23:31:22 -0800341
Jean Delvare70dd6be2010-05-27 19:58:37 +0200342int acpi_resources_are_enforced(void);
343
Yuanhan Liu9743fde2012-10-26 13:39:24 +0200344#ifdef CONFIG_HIBERNATION
Shaohua Libdfe6b72008-07-23 21:28:41 -0700345void __init acpi_no_s4_hw_signature(void);
Yuanhan Liu9743fde2012-10-26 13:39:24 +0200346#endif
347
348#ifdef CONFIG_PM_SLEEP
Rafael J. Wysockid8f3de02008-06-12 23:24:06 +0200349void __init acpi_old_suspend_ordering(void);
Rafael J. Wysocki72ad5d72010-07-23 22:59:09 +0200350void __init acpi_nvs_nosave(void);
Kristen Carlson Accardi1bad2f12012-10-26 13:39:15 +0200351void __init acpi_nvs_nosave_s3(void);
Rafael J. Wysockid8f3de02008-06-12 23:24:06 +0200352#endif /* CONFIG_PM_SLEEP */
Kenji Kaneshige9f5404d2009-02-09 16:00:04 +0900353
Shaohua Li70023de2009-10-29 11:04:28 +0800354struct acpi_osc_context {
Bjorn Helgaasc8678472013-09-05 15:05:55 -0600355 char *uuid_str; /* UUID string */
Shaohua Li70023de2009-10-29 11:04:28 +0800356 int rev;
Bjorn Helgaasc8678472013-09-05 15:05:55 -0600357 struct acpi_buffer cap; /* list of DWORD capabilities */
358 struct acpi_buffer ret; /* free by caller if success */
Shaohua Li70023de2009-10-29 11:04:28 +0800359};
360
Chen, Gong4b3db702013-10-21 14:29:25 -0700361acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
Shaohua Li70023de2009-10-29 11:04:28 +0800362acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
363
Bjorn Helgaasb938a222013-09-05 15:05:54 -0600364/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
365#define OSC_QUERY_DWORD 0 /* DWORD 1 */
366#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
367#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
Kenji Kaneshige9f5404d2009-02-09 16:00:04 +0900368
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600369/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
370#define OSC_QUERY_ENABLE 0x00000001 /* input */
371#define OSC_REQUEST_ERROR 0x00000002 /* return */
372#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
373#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
374#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
Kenji Kaneshige9f5404d2009-02-09 16:00:04 +0900375
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600376/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
377#define OSC_SB_PAD_SUPPORT 0x00000001
378#define OSC_SB_PPC_OST_SUPPORT 0x00000002
379#define OSC_SB_PR3_SUPPORT 0x00000004
380#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
381#define OSC_SB_APEI_SUPPORT 0x00000010
382#define OSC_SB_CPC_SUPPORT 0x00000020
Shaohua Li3563ff92009-10-29 11:05:05 +0800383
Huang Yingeccddd32011-07-13 13:14:20 +0800384extern bool osc_sb_apei_support_acked;
385
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600386/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
Bjorn Helgaas7dab9ef2013-09-05 15:07:39 -0600387#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
388#define OSC_PCI_ASPM_SUPPORT 0x00000002
389#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600390#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
Bjorn Helgaas7dab9ef2013-09-05 15:07:39 -0600391#define OSC_PCI_MSI_SUPPORT 0x00000010
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600392#define OSC_PCI_SUPPORT_MASKS 0x0000001f
Kenji Kaneshige9f5404d2009-02-09 16:00:04 +0900393
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600394/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
395#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
Bjorn Helgaas7dab9ef2013-09-05 15:07:39 -0600396#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
Bjorn Helgaasdedf1e42013-09-05 15:05:53 -0600397#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
398#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
Bjorn Helgaas7dab9ef2013-09-05 15:07:39 -0600399#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
Bjorn Helgaas335b1502013-09-05 15:24:24 -0600400#define OSC_PCI_CONTROL_MASKS 0x0000001f
Rafael J. Wysockid90116e2011-11-06 23:11:28 +0100401
Lan Tianyu5d98e612014-05-20 20:59:23 +0800402#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
403#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
404#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
405#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
406#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
407#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
408#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
409#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
410#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
411#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
412
Rafael J. Wysocki75fb60f2010-08-23 23:53:11 +0200413extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
414 u32 *mask, u32 req);
Toshi Kani275c58d2012-05-23 20:25:19 -0600415
416/* Enable _OST when all relevant hotplug operations are enabled */
417#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
Toshi Kani08f502c2013-06-18 15:06:45 -0600418 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
Toshi Kani64fd7402013-02-11 22:33:20 +0000419 defined(CONFIG_ACPI_CONTAINER)
Toshi Kani275c58d2012-05-23 20:25:19 -0600420#define ACPI_HOTPLUG_OST
421#endif
422
423/* _OST Source Event Code (OSPM Action) */
424#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
425#define ACPI_OST_EC_OSPM_EJECT 0x103
426#define ACPI_OST_EC_OSPM_INSERTION 0x200
427
428/* _OST General Processing Status Code */
429#define ACPI_OST_SC_SUCCESS 0x0
430#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
431#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
432
433/* _OST OS Shutdown Processing (0x100) Status Code */
434#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
435#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
436#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
437#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
438
439/* _OST Ejection Request (0x3, 0x103) Status Code */
440#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
441#define ACPI_OST_SC_DEVICE_IN_USE 0x81
442#define ACPI_OST_SC_DEVICE_BUSY 0x82
443#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
444#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
445
446/* _OST Insertion Request (0x200) Status Code */
447#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
448#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
449#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
450
Len Brown4a7a16d2009-06-12 20:42:08 -0400451extern void acpi_early_init(void);
Rafael J. Wysockib064a8f2015-06-10 01:33:36 +0200452extern void acpi_subsystem_init(void);
Len Brown4a7a16d2009-06-12 20:42:08 -0400453
Huang Yingb54ac6d2011-12-08 11:25:49 +0800454extern int acpi_nvs_register(__u64 start, __u64 size);
455
456extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
457 void *data);
458
Mika Westerbergcf761af2012-10-31 22:44:41 +0100459const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
460 const struct device *dev);
461
Mika Westerberg733e6252014-10-21 13:33:56 +0200462extern bool acpi_driver_match_device(struct device *dev,
463 const struct device_driver *drv);
Zhang Rui6eb24512014-01-14 16:46:36 +0800464int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
465int acpi_device_modalias(struct device *, char *, int);
Lan Tianyu40e7fcb2014-11-23 21:22:54 +0800466void acpi_walk_dep_device_list(acpi_handle handle);
Zhang Rui6eb24512014-01-14 16:46:36 +0800467
Zhang Rui083bf662014-03-14 14:06:25 +0800468struct platform_device *acpi_create_platform_device(struct acpi_device *);
Mika Westerbergcf761af2012-10-31 22:44:41 +0100469#define ACPI_PTR(_ptr) (_ptr)
470
Feng Tange55a5992009-07-28 17:41:53 +0800471#else /* !CONFIG_ACPI */
472
473#define acpi_disabled 1
474
Rafael J. Wysocki7b199812013-11-11 22:41:56 +0100475#define ACPI_COMPANION(dev) (NULL)
476#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
477#define ACPI_HANDLE(dev) (NULL)
Suthikulpanit, Suravee26095a02015-07-07 01:55:20 +0200478#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
Rafael J. Wysocki7b199812013-11-11 22:41:56 +0100479
Rafael J. Wysocki8a0662d2014-11-04 14:03:59 +0100480struct fwnode_handle;
481
482static inline bool is_acpi_node(struct fwnode_handle *fwnode)
483{
484 return false;
485}
486
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +0200487static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
488{
489 return false;
490}
491
492static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
493{
494 return NULL;
495}
496
497static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
498{
499 return false;
500}
501
502static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
Rafael J. Wysocki8a0662d2014-11-04 14:03:59 +0100503{
504 return NULL;
505}
506
507static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
508{
509 return NULL;
510}
511
Rafael J. Wysockica5b74d2015-03-16 23:49:08 +0100512static inline bool has_acpi_companion(struct device *dev)
513{
514 return false;
515}
516
Dustin Byfordc0e5c442015-10-23 12:27:06 -0700517static inline void acpi_preset_companion(struct device *dev,
518 struct acpi_device *parent, u64 addr)
519{
520}
521
Jarkko Nikula45c42a72013-11-14 14:03:51 +0200522static inline const char *acpi_dev_name(struct acpi_device *adev)
523{
524 return NULL;
525}
526
Len Brown4a7a16d2009-06-12 20:42:08 -0400527static inline void acpi_early_init(void) { }
Rafael J. Wysockib064a8f2015-06-10 01:33:36 +0200528static inline void acpi_subsystem_init(void) { }
Andrew Morton53de49f2005-07-30 04:18:00 -0400529
Yinghai Lucbf9bd62008-02-19 03:21:06 -0800530static inline int early_acpi_boot_init(void)
531{
532 return 0;
533}
Andrew Morton53de49f2005-07-30 04:18:00 -0400534static inline int acpi_boot_init(void)
535{
536 return 0;
537}
538
Len Brown8558e392010-01-06 16:11:06 -0500539static inline void acpi_boot_table_init(void)
Andrew Morton53de49f2005-07-30 04:18:00 -0400540{
Len Brown8558e392010-01-06 16:11:06 -0500541 return;
Andrew Morton53de49f2005-07-30 04:18:00 -0400542}
543
Yinghai Lu3c999f12008-06-20 16:11:20 -0700544static inline int acpi_mps_check(void)
545{
546 return 0;
547}
548
Thomas Renninger443dea72008-02-04 23:31:23 -0800549static inline int acpi_check_resource_conflict(struct resource *res)
550{
551 return 0;
552}
553
Thomas Renningerdf92e692008-02-04 23:31:22 -0800554static inline int acpi_check_region(resource_size_t start, resource_size_t n,
555 const char *name)
556{
557 return 0;
558}
559
Feng Tange55a5992009-07-28 17:41:53 +0800560struct acpi_table_header;
561static inline int acpi_table_parse(char *id,
562 int (*handler)(struct acpi_table_header *))
563{
tangchenf8a571b2014-01-06 16:47:59 +0800564 return -ENODEV;
Feng Tange55a5992009-07-28 17:41:53 +0800565}
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +0100566
Huang Yingb54ac6d2011-12-08 11:25:49 +0800567static inline int acpi_nvs_register(__u64 start, __u64 size)
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +0100568{
569 return 0;
570}
Huang Yingb54ac6d2011-12-08 11:25:49 +0800571
572static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
573 void *data)
574{
575 return 0;
576}
577
Mika Westerbergcf761af2012-10-31 22:44:41 +0100578struct acpi_device_id;
579
580static inline const struct acpi_device_id *acpi_match_device(
581 const struct acpi_device_id *ids, const struct device *dev)
582{
583 return NULL;
584}
585
586static inline bool acpi_driver_match_device(struct device *dev,
587 const struct device_driver *drv)
588{
589 return false;
590}
591
Zhang Rui6eb24512014-01-14 16:46:36 +0800592static inline int acpi_device_uevent_modalias(struct device *dev,
593 struct kobj_uevent_env *env)
594{
595 return -ENODEV;
596}
597
598static inline int acpi_device_modalias(struct device *dev,
599 char *buf, int size)
600{
601 return -ENODEV;
602}
603
Suthikulpanit, Suraveeb84f1962015-10-28 15:50:48 -0700604static inline bool acpi_dma_supported(struct acpi_device *adev)
Suthikulpanit, Suraveed0562672015-06-10 11:08:52 -0500605{
606 return false;
607}
608
Suthikulpanit, Suraveeb84f1962015-10-28 15:50:48 -0700609static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
610{
611 return DEV_DMA_NOT_SUPPORTED;
612}
613
Mika Westerbergcf761af2012-10-31 22:44:41 +0100614#define ACPI_PTR(_ptr) (NULL)
615
Huang Yingb54ac6d2011-12-08 11:25:49 +0800616#endif /* !CONFIG_ACPI */
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +0100617
Tang Liang09f98a82011-12-09 10:05:54 +0800618#ifdef CONFIG_ACPI
619void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
620 u32 pm1a_ctrl, u32 pm1b_ctrl));
621
622acpi_status acpi_os_prepare_sleep(u8 sleep_state,
623 u32 pm1a_control, u32 pm1b_control);
Ben Guthrod6b47b12013-07-30 08:24:52 -0400624
625void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
626 u32 val_a, u32 val_b));
627
628acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
629 u32 val_a, u32 val_b);
630
Luck, Tony385ddea2012-10-05 15:05:34 -0700631#ifdef CONFIG_X86
Thomas Renninger8e305242012-10-01 00:23:53 +0200632void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
633#else
634static inline void arch_reserve_mem_area(acpi_physical_address addr,
635 size_t size)
636{
637}
638#endif /* CONFIG_X86 */
Tang Liang09f98a82011-12-09 10:05:54 +0800639#else
640#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
641#endif
642
Rafael J. Wysocki5de21bb92014-11-27 22:38:23 +0100643#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100644int acpi_dev_runtime_suspend(struct device *dev);
645int acpi_dev_runtime_resume(struct device *dev);
646int acpi_subsys_runtime_suspend(struct device *dev);
647int acpi_subsys_runtime_resume(struct device *dev);
Rafael J. Wysocki5de21bb92014-11-27 22:38:23 +0100648struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
649int acpi_dev_pm_attach(struct device *dev, bool power_on);
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100650#else
651static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
652static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
653static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
654static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
Rafael J. Wysocki5de21bb92014-11-27 22:38:23 +0100655static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
656{
657 return NULL;
658}
659static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
660{
661 return -ENODEV;
662}
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100663#endif
664
Rafael J. Wysockid79beb32013-01-19 14:29:31 +0100665#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100666int acpi_dev_suspend_late(struct device *dev);
667int acpi_dev_resume_early(struct device *dev);
668int acpi_subsys_prepare(struct device *dev);
Heikki Krogerus4cf563c2014-05-15 16:40:23 +0300669void acpi_subsys_complete(struct device *dev);
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100670int acpi_subsys_suspend_late(struct device *dev);
671int acpi_subsys_resume_early(struct device *dev);
Heikki Krogerus4cf563c2014-05-15 16:40:23 +0300672int acpi_subsys_suspend(struct device *dev);
673int acpi_subsys_freeze(struct device *dev);
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100674#else
675static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
676static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
677static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
Heikki Krogerus4cf563c2014-05-15 16:40:23 +0300678static inline void acpi_subsys_complete(struct device *dev) {}
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100679static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
680static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
Heikki Krogerus4cf563c2014-05-15 16:40:23 +0300681static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
682static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
Rafael J. Wysockie5cc8ef2012-11-02 01:41:01 +0100683#endif
684
Toshi Kanifbfddae2012-11-21 01:36:28 +0000685#ifdef CONFIG_ACPI
686__printf(3, 4)
687void acpi_handle_printk(const char *level, acpi_handle handle,
688 const char *fmt, ...);
689#else /* !CONFIG_ACPI */
690static inline __printf(3, 4) void
691acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
692#endif /* !CONFIG_ACPI */
693
Bjørn Mork45fef5b2014-05-22 12:47:47 +0200694#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
695__printf(3, 4)
696void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
697#else
698#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
699 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
700#endif
701
Toshi Kanifbfddae2012-11-21 01:36:28 +0000702/*
703 * acpi_handle_<level>: Print message with ACPI prefix and object path
704 *
705 * These interfaces acquire the global namespace mutex to obtain an object
706 * path. In interrupt context, it shows the object path as <n/a>.
707 */
708#define acpi_handle_emerg(handle, fmt, ...) \
709 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
710#define acpi_handle_alert(handle, fmt, ...) \
711 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
712#define acpi_handle_crit(handle, fmt, ...) \
713 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
714#define acpi_handle_err(handle, fmt, ...) \
715 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
716#define acpi_handle_warn(handle, fmt, ...) \
717 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
718#define acpi_handle_notice(handle, fmt, ...) \
719 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
720#define acpi_handle_info(handle, fmt, ...) \
721 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
722
Bjørn Mork45fef5b2014-05-22 12:47:47 +0200723#if defined(DEBUG)
Toshi Kanifbfddae2012-11-21 01:36:28 +0000724#define acpi_handle_debug(handle, fmt, ...) \
725 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
726#else
Bjørn Mork45fef5b2014-05-22 12:47:47 +0200727#if defined(CONFIG_DYNAMIC_DEBUG)
728#define acpi_handle_debug(handle, fmt, ...) \
729do { \
730 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
731 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
732 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
733 ##__VA_ARGS__); \
734} while (0)
735#else
Toshi Kanifbfddae2012-11-21 01:36:28 +0000736#define acpi_handle_debug(handle, fmt, ...) \
737({ \
738 if (0) \
739 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
740 0; \
741})
742#endif
Bjørn Mork45fef5b2014-05-22 12:47:47 +0200743#endif
Toshi Kanifbfddae2012-11-21 01:36:28 +0000744
Rafael J. Wysockif028d522014-11-03 23:39:41 +0100745struct acpi_gpio_params {
746 unsigned int crs_entry_index;
747 unsigned int line_index;
748 bool active_low;
749};
750
751struct acpi_gpio_mapping {
752 const char *name;
753 const struct acpi_gpio_params *data;
754 unsigned int size;
755};
756
757#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
758int acpi_dev_add_driver_gpios(struct acpi_device *adev,
759 const struct acpi_gpio_mapping *gpios);
760
761static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
762{
763 if (adev)
764 adev->driver_gpios = NULL;
765}
Mika Westerbergc884fbd2015-05-06 13:29:06 +0300766
767int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
Rafael J. Wysockif028d522014-11-03 23:39:41 +0100768#else
769static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
770 const struct acpi_gpio_mapping *gpios)
771{
772 return -ENXIO;
773}
774static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
Mika Westerbergc884fbd2015-05-06 13:29:06 +0300775
776static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
777{
778 return -ENXIO;
779}
Rafael J. Wysockif028d522014-11-03 23:39:41 +0100780#endif
781
Mika Westerbergffdcd952014-10-21 13:33:55 +0200782/* Device properties */
783
784#define MAX_ACPI_REFERENCE_ARGS 8
785struct acpi_reference_args {
786 struct acpi_device *adev;
787 size_t nargs;
788 u64 args[MAX_ACPI_REFERENCE_ARGS];
789};
790
791#ifdef CONFIG_ACPI
792int acpi_dev_get_property(struct acpi_device *adev, const char *name,
793 acpi_object_type type, const union acpi_object **obj);
Rafael J. Wysocki504a3372015-08-27 04:42:33 +0200794int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
795 const char *name, size_t index,
796 struct acpi_reference_args *args);
Rafael J. Wysockib31384f2014-11-04 01:28:56 +0100797
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +0200798int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
799 void **valptr);
Rafael J. Wysockib31384f2014-11-04 01:28:56 +0100800int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
801 enum dev_prop_type proptype, void *val);
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +0200802int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
803 enum dev_prop_type proptype, void *val, size_t nval);
Rafael J. Wysockib31384f2014-11-04 01:28:56 +0100804int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
805 enum dev_prop_type proptype, void *val, size_t nval);
Rafael J. Wysocki8a0662d2014-11-04 14:03:59 +0100806
Rafael J. Wysocki504a3372015-08-27 04:42:33 +0200807struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
808 struct fwnode_handle *subnode);
Marc Zyngiere647b532015-09-28 15:49:12 +0100809
810struct acpi_probe_entry;
811typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
812 struct acpi_probe_entry *);
813
814#define ACPI_TABLE_ID_LEN 5
815
816/**
817 * struct acpi_probe_entry - boot-time probing entry
818 * @id: ACPI table name
819 * @type: Optional subtable type to match
820 * (if @id contains subtables)
821 * @subtable_valid: Optional callback to check the validity of
822 * the subtable
823 * @probe_table: Callback to the driver being probed when table
824 * match is successful
825 * @probe_subtbl: Callback to the driver being probed when table and
826 * subtable match (and optional callback is successful)
827 * @driver_data: Sideband data provided back to the driver
828 */
829struct acpi_probe_entry {
830 __u8 id[ACPI_TABLE_ID_LEN];
831 __u8 type;
832 acpi_probe_entry_validate_subtbl subtable_valid;
833 union {
834 acpi_tbl_table_handler probe_table;
835 acpi_tbl_entry_handler probe_subtbl;
836 };
837 kernel_ulong_t driver_data;
838};
839
840#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
841 static const struct acpi_probe_entry __acpi_probe_##name \
842 __used __section(__##table##_acpi_probe_table) \
843 = { \
844 .id = table_id, \
845 .type = subtable, \
846 .subtable_valid = valid, \
847 .probe_table = (acpi_tbl_table_handler)fn, \
848 .driver_data = data, \
849 }
850
851#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
852#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
853
854int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
855
856#define acpi_probe_device_table(t) \
857 ({ \
858 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
859 ACPI_PROBE_TABLE_END(t); \
860 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
861 (&ACPI_PROBE_TABLE_END(t) - \
862 &ACPI_PROBE_TABLE(t))); \
863 })
Mika Westerbergffdcd952014-10-21 13:33:55 +0200864#else
865static inline int acpi_dev_get_property(struct acpi_device *adev,
866 const char *name, acpi_object_type type,
867 const union acpi_object **obj)
868{
869 return -ENXIO;
870}
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +0200871
Rafael J. Wysocki504a3372015-08-27 04:42:33 +0200872static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
Hanjun Guo64031e32015-12-02 15:44:22 +0800873 const char *name, size_t index,
874 struct acpi_reference_args *args)
Mika Westerbergffdcd952014-10-21 13:33:55 +0200875{
876 return -ENXIO;
877}
Rafael J. Wysockib31384f2014-11-04 01:28:56 +0100878
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +0200879static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
880 const char *propname,
881 void **valptr)
Mika Westerbergffdcd952014-10-21 13:33:55 +0200882{
883 return -ENXIO;
884}
Rafael J. Wysockib31384f2014-11-04 01:28:56 +0100885
886static inline int acpi_dev_prop_get(struct acpi_device *adev,
887 const char *propname,
888 void **valptr)
889{
890 return -ENXIO;
891}
892
893static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
894 const char *propname,
895 enum dev_prop_type proptype,
896 void *val)
897{
898 return -ENXIO;
899}
900
Rafael J. Wysocki3a7a2ab2015-08-27 04:40:05 +0200901static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
902 const char *propname,
903 enum dev_prop_type proptype,
904 void *val, size_t nval)
905{
906 return -ENXIO;
907}
908
Rafael J. Wysockib31384f2014-11-04 01:28:56 +0100909static inline int acpi_dev_prop_read(struct acpi_device *adev,
910 const char *propname,
911 enum dev_prop_type proptype,
912 void *val, size_t nval)
913{
914 return -ENXIO;
915}
916
Rafael J. Wysocki504a3372015-08-27 04:42:33 +0200917static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
918 struct fwnode_handle *subnode)
Rafael J. Wysocki8a0662d2014-11-04 14:03:59 +0100919{
920 return NULL;
921}
922
Marc Zyngiere647b532015-09-28 15:49:12 +0100923#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
924 static const void * __acpi_table_##name[] \
925 __attribute__((unused)) \
926 = { (void *) table_id, \
927 (void *) subtable, \
928 (void *) valid, \
929 (void *) fn, \
930 (void *) data }
931
932#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
Mika Westerbergffdcd952014-10-21 13:33:55 +0200933#endif
934
Len Brown25be5e62005-05-27 04:21:50 -0400935#endif /*_LINUX_ACPI_H*/