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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);
91int acpi_table_parse_srat (enum acpi_srat_type id, acpi_table_entry_handler handler, unsigned int max_entries);
Alexey Starikovskiyceb6c462007-02-02 19:48:22 +030092int acpi_parse_mcfg (struct acpi_table_header *header);
Alexey Starikovskiy5f3b1a82007-02-02 19:48:22 +030093void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +030094void acpi_table_print_srat_entry (struct acpi_subtable_header *srat);
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);
118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119extern int acpi_mp_config;
120
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;
125extern unsigned long acpi_video_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
Len Brown888ba6c2005-08-24 12:07:20 -0400127#else /* !CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128
129#define acpi_mp_config 0
130
Len Brown888ba6c2005-08-24 12:07:20 -0400131#endif /* !CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132
Bob Moore50eca3e2005-09-30 19:03:00 -0400133int acpi_register_gsi (u32 gsi, int triggering, int polarity);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
135
136/*
137 * This function undoes the effect of one call to acpi_register_gsi().
138 * If this matches the last registration, any IRQ resources for gsi
139 * are freed.
140 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141void acpi_unregister_gsi (u32 gsi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
Len Brown6153df72005-08-25 12:27:09 -0400143#ifdef CONFIG_ACPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144
145struct acpi_prt_entry {
146 struct list_head node;
147 struct acpi_pci_id id;
148 u8 pin;
149 struct {
150 acpi_handle handle;
151 u32 index;
152 } link;
153 u32 irq;
154};
155
156struct acpi_prt_list {
157 int count;
158 struct list_head entries;
159};
160
161struct pci_dev;
162
163int acpi_pci_irq_enable (struct pci_dev *dev);
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500164void acpi_penalize_isa_irq(int irq, int active);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166void acpi_pci_irq_disable (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
168struct acpi_pci_driver {
169 struct acpi_pci_driver *next;
170 int (*add)(acpi_handle handle);
171 void (*remove)(acpi_handle handle);
172};
173
174int acpi_pci_register_driver(struct acpi_pci_driver *driver);
175void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
176
Len Brown6153df72005-08-25 12:27:09 -0400177#endif /* CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178
179#ifdef CONFIG_ACPI_EC
180
181extern int ec_read(u8 addr, u8 *val);
182extern int ec_write(u8 addr, u8 val);
Lennart Poetteringd7a76e42006-09-05 12:12:24 -0400183extern int ec_transaction(u8 command,
184 const u8 *wdata, unsigned wdata_len,
Lennart Poettering00eb43a2007-05-04 14:16:19 +0200185 u8 *rdata, unsigned rdata_len,
186 int force_poll);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187
188#endif /*CONFIG_ACPI_EC*/
189
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190extern int acpi_blacklisted(void);
191extern void acpi_bios_year(char *s);
192
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
194#ifdef CONFIG_ACPI
195
196/*
197 * Set highest legal C-state
198 * 0: C0 okay, but not C1
199 * 1: C1 okay, but not C2
200 * 2: C2 okay, but not C3 etc.
201 */
202
203extern unsigned int max_cstate;
204
205static inline unsigned int acpi_get_cstate_limit(void)
206{
207 return max_cstate;
208}
209static inline void acpi_set_cstate_limit(unsigned int new_limit)
210{
211 max_cstate = new_limit;
212 return;
213}
214#else
215static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
216static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
217#endif
218
219#ifdef CONFIG_ACPI_NUMA
220int acpi_get_pxm(acpi_handle handle);
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700221int acpi_get_node(acpi_handle *handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222#else
223static inline int acpi_get_pxm(acpi_handle handle)
224{
225 return 0;
226}
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700227static inline int acpi_get_node(acpi_handle *handle)
228{
229 return 0;
230}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231#endif
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700232extern int acpi_paddr_to_node(u64 start_addr, u64 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233
234extern int pnpacpi_disabled;
235
Andrew Morton53de49f2005-07-30 04:18:00 -0400236#else /* CONFIG_ACPI */
237
238static inline int acpi_boot_init(void)
239{
240 return 0;
241}
242
243static inline int acpi_boot_table_init(void)
244{
245 return 0;
246}
247
Len Brown25be5e62005-05-27 04:21:50 -0400248#endif /* CONFIG_ACPI */
249#endif /*_LINUX_ACPI_H*/