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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>
Thomas Renninger29b71a12007-07-23 14:43:51 +020036#include <linux/mod_devicetable.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
38#include <acpi/acpi.h>
39#include <acpi/acpi_bus.h>
40#include <acpi/acpi_drivers.h>
Yasunori Goto762834e2006-06-23 02:03:19 -070041#include <acpi/acpi_numa.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#include <asm/acpi.h>
Len Brownd4b7dc42008-01-23 20:50:56 -050043#include <linux/dmi.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45
Len Brown888ba6c2005-08-24 12:07:20 -040046#ifdef CONFIG_ACPI
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48enum acpi_irq_model_id {
49 ACPI_IRQ_MODEL_PIC = 0,
50 ACPI_IRQ_MODEL_IOAPIC,
51 ACPI_IRQ_MODEL_IOSAPIC,
John Keller3948ec92006-12-22 11:50:04 -060052 ACPI_IRQ_MODEL_PLATFORM,
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 ACPI_IRQ_MODEL_COUNT
54};
55
56extern enum acpi_irq_model_id acpi_irq_model;
57
Linus Torvalds1da177e2005-04-16 15:20:36 -070058enum acpi_interrupt_id {
59 ACPI_INTERRUPT_PMI = 1,
60 ACPI_INTERRUPT_INIT,
61 ACPI_INTERRUPT_CPEI,
62 ACPI_INTERRUPT_COUNT
63};
64
65#define ACPI_SPACE_MEM 0
66
Linus Torvalds1da177e2005-04-16 15:20:36 -070067enum acpi_address_range_id {
68 ACPI_ADDRESS_RANGE_MEMORY = 1,
69 ACPI_ADDRESS_RANGE_RESERVED = 2,
70 ACPI_ADDRESS_RANGE_ACPI = 3,
71 ACPI_ADDRESS_RANGE_NVS = 4,
72 ACPI_ADDRESS_RANGE_COUNT
73};
74
Linus Torvalds1da177e2005-04-16 15:20:36 -070075
Linus Torvalds1da177e2005-04-16 15:20:36 -070076/* Table Handlers */
77
Alexey Starikovskiy15a58ed2007-02-02 19:48:22 +030078typedef int (*acpi_table_handler) (struct acpi_table_header *table);
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
Len Brown5a8765a2007-02-10 21:35:47 -050080typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
82char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
83unsigned long acpi_find_rsdp (void);
84int acpi_boot_init (void);
85int acpi_boot_table_init (void);
86int 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);
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;
Pavel Machek77afcf72007-07-19 01:47:41 -0700125extern unsigned long acpi_realmode_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
Shaohua Li61fd47e2007-11-17 01:05:28 -0500136#ifdef CONFIG_X86_IO_APIC
137extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
138#else
139#define acpi_get_override_irq(bus, trigger, polarity) (-1)
140#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141/*
142 * This function undoes the effect of one call to acpi_register_gsi().
143 * If this matches the last registration, any IRQ resources for gsi
144 * are freed.
145 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146void acpi_unregister_gsi (u32 gsi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
Len Brown6153df7b2005-08-25 12:27:09 -0400148#ifdef CONFIG_ACPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149
150struct acpi_prt_entry {
151 struct list_head node;
152 struct acpi_pci_id id;
153 u8 pin;
154 struct {
155 acpi_handle handle;
156 u32 index;
157 } link;
158 u32 irq;
159};
160
161struct acpi_prt_list {
162 int count;
163 struct list_head entries;
164};
165
166struct pci_dev;
167
168int acpi_pci_irq_enable (struct pci_dev *dev);
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500169void acpi_penalize_isa_irq(int irq, int active);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171void acpi_pci_irq_disable (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172
173struct acpi_pci_driver {
174 struct acpi_pci_driver *next;
175 int (*add)(acpi_handle handle);
176 void (*remove)(acpi_handle handle);
177};
178
179int acpi_pci_register_driver(struct acpi_pci_driver *driver);
180void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
181
Len Brown6153df7b2005-08-25 12:27:09 -0400182#endif /* CONFIG_ACPI */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183
184#ifdef CONFIG_ACPI_EC
185
186extern int ec_read(u8 addr, u8 *val);
187extern int ec_write(u8 addr, u8 val);
Lennart Poetteringd7a76e42006-09-05 12:12:24 -0400188extern int ec_transaction(u8 command,
189 const u8 *wdata, unsigned wdata_len,
Lennart Poettering00eb43a2007-05-04 14:16:19 +0200190 u8 *rdata, unsigned rdata_len,
191 int force_poll);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
193#endif /*CONFIG_ACPI_EC*/
194
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195extern int acpi_blacklisted(void);
Len Brownd4b7dc42008-01-23 20:50:56 -0500196#ifdef CONFIG_DMI
197extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
198#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200#ifdef CONFIG_ACPI_NUMA
201int acpi_get_pxm(acpi_handle handle);
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700202int acpi_get_node(acpi_handle *handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203#else
204static inline int acpi_get_pxm(acpi_handle handle)
205{
206 return 0;
207}
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700208static inline int acpi_get_node(acpi_handle *handle)
209{
210 return 0;
211}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212#endif
Yasunori Goto1e3590e2006-06-27 02:53:31 -0700213extern int acpi_paddr_to_node(u64 start_addr, u64 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
215extern int pnpacpi_disabled;
216
David Rientjes3484d792007-07-21 17:10:32 +0200217#define PXM_INVAL (-1)
218#define NID_INVAL (-1)
219
Thomas Renningerdf92e692008-02-04 23:31:22 -0800220int acpi_check_region(resource_size_t start, resource_size_t n,
221 const char *name);
222int acpi_check_mem_region(resource_size_t start, resource_size_t n,
223 const char *name);
224
Andrew Morton53de49f2005-07-30 04:18:00 -0400225#else /* CONFIG_ACPI */
226
227static inline int acpi_boot_init(void)
228{
229 return 0;
230}
231
232static inline int acpi_boot_table_init(void)
233{
234 return 0;
235}
236
Thomas Renningerdf92e692008-02-04 23:31:22 -0800237static inline int acpi_check_region(resource_size_t start, resource_size_t n,
238 const char *name)
239{
240 return 0;
241}
242
243static inline int acpi_check_mem_region(resource_size_t start,
244 resource_size_t n, const char *name)
245{
246 return 0;
247}
248
Len Brownd4b7dc42008-01-23 20:50:56 -0500249#endif /* !CONFIG_ACPI */
Len Brown25be5e62005-05-27 04:21:50 -0400250#endif /*_LINUX_ACPI_H*/