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#include <linux/ioport.h> /* for struct resource */
29
30#ifdef CONFIG_ACPI
31
32#ifndef _LINUX
33#define _LINUX
34#endif
35
36#include <linux/list.h>
37#include <linux/mod_devicetable.h>
38
39#include <acpi/acpi.h>
40#include <acpi/acpi_bus.h>
41#include <acpi/acpi_drivers.h>
42#include <acpi/acpi_numa.h>
43#include <asm/acpi.h>
44#include <linux/dmi.h>
45
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);
82int acpi_boot_init (void);
83int acpi_boot_table_init (void);
84int acpi_numa_init (void);
85
86int acpi_table_init (void);
87int acpi_table_parse (char *id, acpi_table_handler handler);
88int __init acpi_table_parse_entries(char *id, unsigned long table_size,
89 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
90int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
91int acpi_parse_mcfg (struct acpi_table_header *header);
92void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
93
94/* the following four functions are architecture-dependent */
95#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
102void acpi_numa_slit_init (struct acpi_table_slit *slit);
103void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
104void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
105void acpi_numa_arch_fixup(void);
106#endif
107
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
114int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
115int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
116void acpi_irq_stats_init(void);
117extern u32 acpi_irq_handled;
118
119extern struct acpi_mcfg_allocation *pci_mmcfg_config;
120extern int pci_mmcfg_config_num;
121
122extern int sbf_port;
123extern unsigned long acpi_realmode_flags;
124
125int acpi_register_gsi (u32 gsi, int triggering, int polarity);
126int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
127
128#ifdef CONFIG_X86_IO_APIC
129extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
130#else
131#define acpi_get_override_irq(bus, trigger, polarity) (-1)
132#endif
133/*
134 * This function undoes the effect of one call to acpi_register_gsi().
135 * If this matches the last registration, any IRQ resources for gsi
136 * are freed.
137 */
138void acpi_unregister_gsi (u32 gsi);
139
140struct acpi_prt_entry {
141 struct list_head node;
142 struct acpi_pci_id id;
143 u8 pin;
144 struct {
145 acpi_handle handle;
146 u32 index;
147 } link;
148 u32 irq;
149};
150
151struct acpi_prt_list {
152 int count;
153 struct list_head entries;
154};
155
156struct pci_dev;
157
158int acpi_pci_irq_enable (struct pci_dev *dev);
159void acpi_penalize_isa_irq(int irq, int active);
160
161void acpi_pci_irq_disable (struct pci_dev *dev);
162
163struct acpi_pci_driver {
164 struct acpi_pci_driver *next;
165 int (*add)(acpi_handle handle);
166 void (*remove)(acpi_handle handle);
167};
168
169int acpi_pci_register_driver(struct acpi_pci_driver *driver);
170void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
171
172#ifdef CONFIG_ACPI_EC
173
174extern int ec_read(u8 addr, u8 *val);
175extern int ec_write(u8 addr, u8 val);
176extern int ec_transaction(u8 command,
177 const u8 *wdata, unsigned wdata_len,
178 u8 *rdata, unsigned rdata_len,
179 int force_poll);
180
181#endif /*CONFIG_ACPI_EC*/
182
183#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
184
185typedef void (*wmi_notify_handler) (u32 value, void *context);
186
187extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
188 u32 method_id,
189 const struct acpi_buffer *in,
190 struct acpi_buffer *out);
191extern acpi_status wmi_query_block(const char *guid, u8 instance,
192 struct acpi_buffer *out);
193extern acpi_status wmi_set_block(const char *guid, u8 instance,
194 const struct acpi_buffer *in);
195extern acpi_status wmi_install_notify_handler(const char *guid,
196 wmi_notify_handler handler, void *data);
197extern acpi_status wmi_remove_notify_handler(const char *guid);
198extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
199extern bool wmi_has_guid(const char *guid);
200
201#endif /* CONFIG_ACPI_WMI */
202
203extern int acpi_blacklisted(void);
204#ifdef CONFIG_DMI
205extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
206extern int acpi_osi_setup(char *str);
207#endif
208
209#ifdef CONFIG_ACPI_NUMA
210int acpi_get_pxm(acpi_handle handle);
211int acpi_get_node(acpi_handle *handle);
212#else
213static inline int acpi_get_pxm(acpi_handle handle)
214{
215 return 0;
216}
217static inline int acpi_get_node(acpi_handle *handle)
218{
219 return 0;
220}
221#endif
222extern int acpi_paddr_to_node(u64 start_addr, u64 size);
223
224extern int pnpacpi_disabled;
225
226#define PXM_INVAL (-1)
227#define NID_INVAL (-1)
228
229int acpi_check_resource_conflict(struct resource *res);
230
231int acpi_check_region(resource_size_t start, resource_size_t n,
232 const char *name);
233int acpi_check_mem_region(resource_size_t start, resource_size_t n,
234 const char *name);
235
236#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
248static inline int acpi_check_resource_conflict(struct resource *res)
249{
250 return 0;
251}
252
253static inline int acpi_check_region(resource_size_t start, resource_size_t n,
254 const char *name)
255{
256 return 0;
257}
258
259static inline int acpi_check_mem_region(resource_size_t start,
260 resource_size_t n, const char *name)
261{
262 return 0;
263}
264
265#endif /* !CONFIG_ACPI */
266#endif /*_LINUX_ACPI_H*/