blob: 702f79dad16a98a3638957bf64423c5b128423ce [file] [log] [blame]
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 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */
24
25#ifndef _LINUX_ACPI_H
26#define _LINUX_ACPI_H
27
Thomas Renninger443dea72008-02-04 23:31:23 -080028#include <linux/ioport.h> /* for struct resource */
David Mosberger3f5948f2005-06-06 15:50:09 -070029
Len Brown25be5e62005-05-27 04:21:50 -040030#ifdef CONFIG_ACPI
31
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#ifndef _LINUX
33#define _LINUX
34#endif
35
36#include <linux/list.h>
Thomas Renninger29b71a12007-07-23 14:43:51 +020037#include <linux/mod_devicetable.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
39#include <acpi/acpi.h>
40#include <acpi/acpi_bus.h>
41#include <acpi/acpi_drivers.h>
Yasunori Goto762834e2006-06-23 02:03:19 -070042#include <acpi/acpi_numa.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070043#include <asm/acpi.h>
Len Brownd4b7dc42008-01-23 20:50:56 -050044#include <linux/dmi.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
46
Linus Torvalds1da177e2005-04-16 15:20:36 -070047enum acpi_irq_model_id {
48 ACPI_IRQ_MODEL_PIC = 0,
49 ACPI_IRQ_MODEL_IOAPIC,
50 ACPI_IRQ_MODEL_IOSAPIC,
John Keller3948ec92006-12-22 11:50:04 -060051 ACPI_IRQ_MODEL_PLATFORM,
Linus Torvalds1da177e2005-04-16 15:20:36 -070052 ACPI_IRQ_MODEL_COUNT
53};
54
55extern enum acpi_irq_model_id acpi_irq_model;
56
Linus Torvalds1da177e2005-04-16 15:20:36 -070057enum acpi_interrupt_id {
58 ACPI_INTERRUPT_PMI = 1,
59 ACPI_INTERRUPT_INIT,
60 ACPI_INTERRUPT_CPEI,
61 ACPI_INTERRUPT_COUNT
62};
63
64#define ACPI_SPACE_MEM 0
65
Linus Torvalds1da177e2005-04-16 15:20:36 -070066enum acpi_address_range_id {
67 ACPI_ADDRESS_RANGE_MEMORY = 1,
68 ACPI_ADDRESS_RANGE_RESERVED = 2,
69 ACPI_ADDRESS_RANGE_ACPI = 3,
70 ACPI_ADDRESS_RANGE_NVS = 4,
71 ACPI_ADDRESS_RANGE_COUNT
72};
73
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
Linus Torvalds1da177e2005-04-16 15:20:36 -070075/* Table Handlers */
76
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +030077typedef int (*acpi_table_handler) (struct acpi_table_header *table);
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
Len Brown5a8765a2007-02-10 21:35:47 -050079typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
Linus Torvalds1da177e2005-04-16 15:20:36 -070080
81char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
Yinghai Lucbf9bd62008-02-19 03:21:06 -080082int early_acpi_boot_init(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070083int acpi_boot_init (void);
84int acpi_boot_table_init (void);
Yinghai Lu3c999f12008-06-20 16:11:20 -070085int acpi_mps_check (void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070086int acpi_numa_init (void);
87
88int acpi_table_init (void);
Alexey Starikovskiyceb6c462007-02-02 19:48:22 +030089int acpi_table_parse (char *id, acpi_table_handler handler);
Len Brown6eb87fe2007-02-10 22:17:07 -050090int __init acpi_table_parse_entries(char *id, unsigned long table_size,
91 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
Len Brown5a8765a2007-02-10 21:35:47 -050092int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
Alexey Starikovskiyceb6c462007-02-02 19:48:22 +030093int acpi_parse_mcfg (struct acpi_table_header *header);
Alexey Starikovskiy5f3b1a82007-02-02 19:48:22 +030094void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
96/* the following four functions are architecture-dependent */
Yasunori Goto762834e2006-06-23 02:03:19 -070097#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
98#define NR_NODE_MEMBLKS MAX_NUMNODES
99#define acpi_numa_slit_init(slit) do {} while (0)
100#define acpi_numa_processor_affinity_init(pa) do {} while (0)
101#define acpi_numa_memory_affinity_init(ma) do {} while (0)
102#define acpi_numa_arch_fixup() do {} while (0)
103#else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104void acpi_numa_slit_init (struct acpi_table_slit *slit);
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +0300105void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
106void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107void acpi_numa_arch_fixup(void);
Yasunori Goto762834e2006-06-23 02:03:19 -0700108#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109
110#ifdef CONFIG_ACPI_HOTPLUG_CPU
111/* Arch dependent functions for cpu hotplug support */
112int acpi_map_lsapic(acpi_handle handle, int *pcpu);
113int acpi_unmap_lsapic(int cpu);
114#endif /* CONFIG_ACPI_HOTPLUG_CPU */
115
Kenji Kaneshigeb1bb2482005-04-28 00:25:58 -0700116int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
117int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
Len Brown5229e872008-02-06 01:26:55 -0500118void acpi_irq_stats_init(void);
Len Brown5229e872008-02-06 01:26:55 -0500119extern u32 acpi_irq_handled;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +0300121extern struct acpi_mcfg_allocation *pci_mmcfg_config;
Greg Kroah-Hartman54549392005-06-23 17:35:56 -0700122extern int pci_mmcfg_config_num;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123
Pavel Machekc255d842006-02-20 18:27:58 -0800124extern int sbf_port;
Pavel Machek77afcf72007-07-19 01:47:41 -0700125extern unsigned long acpi_realmode_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
Bob Moore50eca3e2005-09-30 19:03:00 -0400127int acpi_register_gsi (u32 gsi, int triggering, int polarity);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
129
Shaohua Li61fd47e2007-11-17 01:05:28 -0500130#ifdef CONFIG_X86_IO_APIC
131extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
132#else
133#define acpi_get_override_irq(bus, trigger, polarity) (-1)
134#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135/*
136 * This function undoes the effect of one call to acpi_register_gsi().
137 * If this matches the last registration, any IRQ resources for gsi
138 * are freed.
139 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140void acpi_unregister_gsi (u32 gsi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142struct acpi_prt_entry {
143 struct list_head node;
144 struct acpi_pci_id id;
145 u8 pin;
146 struct {
147 acpi_handle handle;
148 u32 index;
149 } link;
150 u32 irq;
151};
152
153struct acpi_prt_list {
154 int count;
155 struct list_head entries;
156};
157
158struct pci_dev;
159
160int acpi_pci_irq_enable (struct pci_dev *dev);
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500161void acpi_penalize_isa_irq(int irq, int active);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163void acpi_pci_irq_disable (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164
165struct acpi_pci_driver {
166 struct acpi_pci_driver *next;
167 int (*add)(acpi_handle handle);
168 void (*remove)(acpi_handle handle);
169};
170
171int acpi_pci_register_driver(struct acpi_pci_driver *driver);
172void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
173
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174#ifdef CONFIG_ACPI_EC
175
176extern int ec_read(u8 addr, u8 *val);
177extern int ec_write(u8 addr, u8 val);
Lennart Poetteringd7a76e42006-09-05 12:12:24 -0400178extern int ec_transaction(u8 command,
179 const u8 *wdata, unsigned wdata_len,
Lennart Poettering00eb43a2007-05-04 14:16:19 +0200180 u8 *rdata, unsigned rdata_len,
181 int force_poll);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182
183#endif /*CONFIG_ACPI_EC*/
184
Carlos Corbachobff431e2008-02-05 02:17:04 +0000185#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
186
187typedef void (*wmi_notify_handler) (u32 value, void *context);
188
189extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
190 u32 method_id,
191 const struct acpi_buffer *in,
192 struct acpi_buffer *out);
193extern acpi_status wmi_query_block(const char *guid, u8 instance,
194 struct acpi_buffer *out);
195extern acpi_status wmi_set_block(const char *guid, u8 instance,
196 const struct acpi_buffer *in);
197extern acpi_status wmi_install_notify_handler(const char *guid,
198 wmi_notify_handler handler, void *data);
199extern acpi_status wmi_remove_notify_handler(const char *guid);
200extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
201extern bool wmi_has_guid(const char *guid);
202
203#endif /* CONFIG_ACPI_WMI */
204
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205extern int acpi_blacklisted(void);
Len Brownd4b7dc42008-01-23 20:50:56 -0500206#ifdef CONFIG_DMI
207extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
Len Brown46c1fbd2008-02-13 23:13:25 -0500208extern int acpi_osi_setup(char *str);
Len Brownd4b7dc42008-01-23 20:50:56 -0500209#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211#ifdef CONFIG_ACPI_NUMA
212int acpi_get_pxm(acpi_handle handle);
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700213int acpi_get_node(acpi_handle *handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214#else
215static inline int acpi_get_pxm(acpi_handle handle)
216{
217 return 0;
218}
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700219static inline int acpi_get_node(acpi_handle *handle)
220{
221 return 0;
222}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223#endif
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700224extern int acpi_paddr_to_node(u64 start_addr, u64 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225
226extern int pnpacpi_disabled;
227
David Rientjes3484d792007-07-21 17:10:32 +0200228#define PXM_INVAL (-1)
229#define NID_INVAL (-1)
230
Thomas Renninger443dea72008-02-04 23:31:23 -0800231int acpi_check_resource_conflict(struct resource *res);
232
Thomas Renningerdf92e692008-02-04 23:31:22 -0800233int acpi_check_region(resource_size_t start, resource_size_t n,
234 const char *name);
235int acpi_check_mem_region(resource_size_t start, resource_size_t n,
236 const char *name);
237
Rafael J. Wysockid8f3de02008-06-12 23:24:06 +0200238#ifdef CONFIG_PM_SLEEP
Shaohua Libdfe6b72008-07-23 21:28:41 -0700239void __init acpi_no_s4_hw_signature(void);
Rafael J. Wysockid8f3de02008-06-12 23:24:06 +0200240void __init acpi_old_suspend_ordering(void);
241#endif /* CONFIG_PM_SLEEP */
Andrew Morton53de49f2005-07-30 04:18:00 -0400242#else /* CONFIG_ACPI */
243
Yinghai Lucbf9bd62008-02-19 03:21:06 -0800244static inline int early_acpi_boot_init(void)
245{
246 return 0;
247}
Andrew Morton53de49f2005-07-30 04:18:00 -0400248static inline int acpi_boot_init(void)
249{
250 return 0;
251}
252
253static inline int acpi_boot_table_init(void)
254{
255 return 0;
256}
257
Yinghai Lu3c999f12008-06-20 16:11:20 -0700258static inline int acpi_mps_check(void)
259{
260 return 0;
261}
262
Thomas Renninger443dea72008-02-04 23:31:23 -0800263static inline int acpi_check_resource_conflict(struct resource *res)
264{
265 return 0;
266}
267
Thomas Renningerdf92e692008-02-04 23:31:22 -0800268static inline int acpi_check_region(resource_size_t start, resource_size_t n,
269 const char *name)
270{
271 return 0;
272}
273
274static inline int acpi_check_mem_region(resource_size_t start,
275 resource_size_t n, const char *name)
276{
277 return 0;
278}
279
Len Brownd4b7dc42008-01-23 20:50:56 -0500280#endif /* !CONFIG_ACPI */
Len Brown25be5e62005-05-27 04:21:50 -0400281#endif /*_LINUX_ACPI_H*/