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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 *
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
David Mosberger3f5948f2005-06-06 15:50:09 -070028
Len Brown25be5e62005-05-27 04:21:50 -040029#ifdef CONFIG_ACPI
30
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#ifndef _LINUX
32#define _LINUX
33#endif
34
35#include <linux/list.h>
36
37#include <acpi/acpi.h>
38#include <acpi/acpi_bus.h>
39#include <acpi/acpi_drivers.h>
Yasunori Goto762834e2006-06-23 02:03:19 -070040#include <acpi/acpi_numa.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#include <asm/acpi.h>
42
43
Len Brown888ba6c2005-08-24 12:07:20 -040044#ifdef CONFIG_ACPI
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
46enum acpi_irq_model_id {
47 ACPI_IRQ_MODEL_PIC = 0,
48 ACPI_IRQ_MODEL_IOAPIC,
49 ACPI_IRQ_MODEL_IOSAPIC,
John Keller3948ec92006-12-22 11:50:04 -060050 ACPI_IRQ_MODEL_PLATFORM,
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 ACPI_IRQ_MODEL_COUNT
52};
53
54extern enum acpi_irq_model_id acpi_irq_model;
55
Linus Torvalds1da177e2005-04-16 15:20:36 -070056enum acpi_interrupt_id {
57 ACPI_INTERRUPT_PMI = 1,
58 ACPI_INTERRUPT_INIT,
59 ACPI_INTERRUPT_CPEI,
60 ACPI_INTERRUPT_COUNT
61};
62
63#define ACPI_SPACE_MEM 0
64
Linus Torvalds1da177e2005-04-16 15:20:36 -070065enum acpi_address_range_id {
66 ACPI_ADDRESS_RANGE_MEMORY = 1,
67 ACPI_ADDRESS_RANGE_RESERVED = 2,
68 ACPI_ADDRESS_RANGE_ACPI = 3,
69 ACPI_ADDRESS_RANGE_NVS = 4,
70 ACPI_ADDRESS_RANGE_COUNT
71};
72
Linus Torvalds1da177e2005-04-16 15:20:36 -070073
Linus Torvalds1da177e2005-04-16 15:20:36 -070074/* Table Handlers */
75
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +030076typedef int (*acpi_table_handler) (struct acpi_table_header *table);
Linus Torvalds1da177e2005-04-16 15:20:36 -070077
Len Brown5a8765a2007-02-10 21:35:47 -050078typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
80char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
81unsigned long acpi_find_rsdp (void);
82int acpi_boot_init (void);
83int acpi_boot_table_init (void);
84int acpi_numa_init (void);
85
86int acpi_table_init (void);
Alexey Starikovskiyceb6c462007-02-02 19:48:22 +030087int acpi_table_parse (char *id, acpi_table_handler handler);
Len Brown6eb87fe2007-02-10 22:17:07 -050088int __init acpi_table_parse_entries(char *id, unsigned long table_size,
89 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
Len Brown5a8765a2007-02-10 21:35:47 -050090int 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 +030091int acpi_parse_mcfg (struct acpi_table_header *header);
Alexey Starikovskiy5f3b1a82007-02-02 19:48:22 +030092void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
94/* the following four functions are architecture-dependent */
Yasunori Goto762834e2006-06-23 02:03:19 -070095#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
96#define NR_NODE_MEMBLKS MAX_NUMNODES
97#define acpi_numa_slit_init(slit) do {} while (0)
98#define acpi_numa_processor_affinity_init(pa) do {} while (0)
99#define acpi_numa_memory_affinity_init(ma) do {} while (0)
100#define acpi_numa_arch_fixup() do {} while (0)
101#else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102void acpi_numa_slit_init (struct acpi_table_slit *slit);
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +0300103void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
104void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105void acpi_numa_arch_fixup(void);
Yasunori Goto762834e2006-06-23 02:03:19 -0700106#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107
108#ifdef CONFIG_ACPI_HOTPLUG_CPU
109/* Arch dependent functions for cpu hotplug support */
110int acpi_map_lsapic(acpi_handle handle, int *pcpu);
111int acpi_unmap_lsapic(int cpu);
112#endif /* CONFIG_ACPI_HOTPLUG_CPU */
113
Kenji Kaneshigeb1bb2482005-04-28 00:25:58 -0700114int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
115int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
116
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117extern int acpi_mp_config;
118
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +0300119extern struct acpi_mcfg_allocation *pci_mmcfg_config;
Greg Kroah-Hartman54549392005-06-23 17:35:56 -0700120extern int pci_mmcfg_config_num;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
Pavel Machekc255d842006-02-20 18:27:58 -0800122extern int sbf_port;
Pavel Machek77afcf72007-07-19 01:47:41 -0700123extern unsigned long acpi_realmode_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
Len Brown888ba6c2005-08-24 12:07:20 -0400125#else /* !CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
127#define acpi_mp_config 0
128
Len Brown888ba6c2005-08-24 12:07:20 -0400129#endif /* !CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130
Bob Moore50eca3e2005-09-30 19:03:00 -0400131int acpi_register_gsi (u32 gsi, int triggering, int polarity);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
133
134/*
135 * This function undoes the effect of one call to acpi_register_gsi().
136 * If this matches the last registration, any IRQ resources for gsi
137 * are freed.
138 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139void acpi_unregister_gsi (u32 gsi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140
Len Brown6153df72005-08-25 12:27:09 -0400141#ifdef CONFIG_ACPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
143struct acpi_prt_entry {
144 struct list_head node;
145 struct acpi_pci_id id;
146 u8 pin;
147 struct {
148 acpi_handle handle;
149 u32 index;
150 } link;
151 u32 irq;
152};
153
154struct acpi_prt_list {
155 int count;
156 struct list_head entries;
157};
158
159struct pci_dev;
160
161int acpi_pci_irq_enable (struct pci_dev *dev);
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500162void acpi_penalize_isa_irq(int irq, int active);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164void acpi_pci_irq_disable (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
166struct acpi_pci_driver {
167 struct acpi_pci_driver *next;
168 int (*add)(acpi_handle handle);
169 void (*remove)(acpi_handle handle);
170};
171
172int acpi_pci_register_driver(struct acpi_pci_driver *driver);
173void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
174
Len Brown6153df72005-08-25 12:27:09 -0400175#endif /* CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176
177#ifdef CONFIG_ACPI_EC
178
179extern int ec_read(u8 addr, u8 *val);
180extern int ec_write(u8 addr, u8 val);
Lennart Poetteringd7a76e42006-09-05 12:12:24 -0400181extern int ec_transaction(u8 command,
182 const u8 *wdata, unsigned wdata_len,
Lennart Poettering00eb43a2007-05-04 14:16:19 +0200183 u8 *rdata, unsigned rdata_len,
184 int force_poll);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185
186#endif /*CONFIG_ACPI_EC*/
187
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188extern int acpi_blacklisted(void);
189extern void acpi_bios_year(char *s);
190
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
192#ifdef CONFIG_ACPI
193
194/*
195 * Set highest legal C-state
196 * 0: C0 okay, but not C1
197 * 1: C1 okay, but not C2
198 * 2: C2 okay, but not C3 etc.
199 */
200
201extern unsigned int max_cstate;
202
203static inline unsigned int acpi_get_cstate_limit(void)
204{
205 return max_cstate;
206}
207static inline void acpi_set_cstate_limit(unsigned int new_limit)
208{
209 max_cstate = new_limit;
210 return;
211}
212#else
213static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
214static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
215#endif
216
217#ifdef CONFIG_ACPI_NUMA
218int acpi_get_pxm(acpi_handle handle);
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700219int acpi_get_node(acpi_handle *handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220#else
221static inline int acpi_get_pxm(acpi_handle handle)
222{
223 return 0;
224}
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700225static inline int acpi_get_node(acpi_handle *handle)
226{
227 return 0;
228}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229#endif
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700230extern int acpi_paddr_to_node(u64 start_addr, u64 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231
232extern int pnpacpi_disabled;
233
David Rientjes3484d792007-07-21 17:10:32 +0200234#define PXM_INVAL (-1)
235#define NID_INVAL (-1)
236
Andrew Morton53de49f2005-07-30 04:18:00 -0400237#else /* CONFIG_ACPI */
238
239static inline int acpi_boot_init(void)
240{
241 return 0;
242}
243
244static inline int acpi_boot_table_init(void)
245{
246 return 0;
247}
248
Len Brown25be5e62005-05-27 04:21:50 -0400249#endif /* CONFIG_ACPI */
250#endif /*_LINUX_ACPI_H*/