Linux kernel mirror (for testing)
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linux
1/*
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
28
29#ifdef CONFIG_ACPI
30
31#ifndef _LINUX
32#define _LINUX
33#endif
34
35#include <linux/list.h>
36#include <linux/mod_devicetable.h>
37
38#include <acpi/acpi.h>
39#include <acpi/acpi_bus.h>
40#include <acpi/acpi_drivers.h>
41#include <acpi/acpi_numa.h>
42#include <asm/acpi.h>
43
44
45#ifdef CONFIG_ACPI
46
47enum acpi_irq_model_id {
48 ACPI_IRQ_MODEL_PIC = 0,
49 ACPI_IRQ_MODEL_IOAPIC,
50 ACPI_IRQ_MODEL_IOSAPIC,
51 ACPI_IRQ_MODEL_PLATFORM,
52 ACPI_IRQ_MODEL_COUNT
53};
54
55extern enum acpi_irq_model_id acpi_irq_model;
56
57enum 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
66enum 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
74
75/* Table Handlers */
76
77typedef int (*acpi_table_handler) (struct acpi_table_header *table);
78
79typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
80
81char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
82unsigned long acpi_find_rsdp (void);
83int acpi_boot_init (void);
84int acpi_boot_table_init (void);
85int acpi_numa_init (void);
86
87int acpi_table_init (void);
88int acpi_table_parse (char *id, acpi_table_handler handler);
89int __init acpi_table_parse_entries(char *id, unsigned long table_size,
90 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
91int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
92int acpi_parse_mcfg (struct acpi_table_header *header);
93void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
94
95/* the following four functions are architecture-dependent */
96#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
97#define NR_NODE_MEMBLKS MAX_NUMNODES
98#define acpi_numa_slit_init(slit) do {} while (0)
99#define acpi_numa_processor_affinity_init(pa) do {} while (0)
100#define acpi_numa_memory_affinity_init(ma) do {} while (0)
101#define acpi_numa_arch_fixup() do {} while (0)
102#else
103void acpi_numa_slit_init (struct acpi_table_slit *slit);
104void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
105void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
106void acpi_numa_arch_fixup(void);
107#endif
108
109#ifdef CONFIG_ACPI_HOTPLUG_CPU
110/* Arch dependent functions for cpu hotplug support */
111int acpi_map_lsapic(acpi_handle handle, int *pcpu);
112int acpi_unmap_lsapic(int cpu);
113#endif /* CONFIG_ACPI_HOTPLUG_CPU */
114
115int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
116int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
117
118extern int acpi_mp_config;
119
120extern struct acpi_mcfg_allocation *pci_mmcfg_config;
121extern int pci_mmcfg_config_num;
122
123extern int sbf_port;
124extern unsigned long acpi_realmode_flags;
125
126#else /* !CONFIG_ACPI */
127
128#define acpi_mp_config 0
129
130#endif /* !CONFIG_ACPI */
131
132int acpi_register_gsi (u32 gsi, int triggering, int polarity);
133int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
134
135#ifdef CONFIG_X86_IO_APIC
136extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
137#else
138#define acpi_get_override_irq(bus, trigger, polarity) (-1)
139#endif
140/*
141 * This function undoes the effect of one call to acpi_register_gsi().
142 * If this matches the last registration, any IRQ resources for gsi
143 * are freed.
144 */
145void acpi_unregister_gsi (u32 gsi);
146
147#ifdef CONFIG_ACPI
148
149struct acpi_prt_entry {
150 struct list_head node;
151 struct acpi_pci_id id;
152 u8 pin;
153 struct {
154 acpi_handle handle;
155 u32 index;
156 } link;
157 u32 irq;
158};
159
160struct acpi_prt_list {
161 int count;
162 struct list_head entries;
163};
164
165struct pci_dev;
166
167int acpi_pci_irq_enable (struct pci_dev *dev);
168void acpi_penalize_isa_irq(int irq, int active);
169
170void acpi_pci_irq_disable (struct pci_dev *dev);
171
172struct acpi_pci_driver {
173 struct acpi_pci_driver *next;
174 int (*add)(acpi_handle handle);
175 void (*remove)(acpi_handle handle);
176};
177
178int acpi_pci_register_driver(struct acpi_pci_driver *driver);
179void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
180
181#endif /* CONFIG_ACPI */
182
183#ifdef CONFIG_ACPI_EC
184
185extern int ec_read(u8 addr, u8 *val);
186extern int ec_write(u8 addr, u8 val);
187extern int ec_transaction(u8 command,
188 const u8 *wdata, unsigned wdata_len,
189 u8 *rdata, unsigned rdata_len,
190 int force_poll);
191
192#endif /*CONFIG_ACPI_EC*/
193
194extern int acpi_blacklisted(void);
195extern void acpi_bios_year(char *s);
196
197#ifdef CONFIG_ACPI_NUMA
198int acpi_get_pxm(acpi_handle handle);
199int acpi_get_node(acpi_handle *handle);
200#else
201static inline int acpi_get_pxm(acpi_handle handle)
202{
203 return 0;
204}
205static inline int acpi_get_node(acpi_handle *handle)
206{
207 return 0;
208}
209#endif
210extern int acpi_paddr_to_node(u64 start_addr, u64 size);
211
212extern int pnpacpi_disabled;
213
214#define PXM_INVAL (-1)
215#define NID_INVAL (-1)
216
217#else /* CONFIG_ACPI */
218
219static inline int acpi_boot_init(void)
220{
221 return 0;
222}
223
224static inline int acpi_boot_table_init(void)
225{
226 return 0;
227}
228
229#endif /* CONFIG_ACPI */
230#endif /*_LINUX_ACPI_H*/