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 early_acpi_boot_init(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);
117void acpi_irq_stats_init(void);
118extern u32 acpi_irq_handled;
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
126int acpi_register_gsi (u32 gsi, int triggering, int polarity);
127int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
128
129#ifdef CONFIG_X86_IO_APIC
130extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
131#else
132#define acpi_get_override_irq(bus, trigger, polarity) (-1)
133#endif
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 */
139void acpi_unregister_gsi (u32 gsi);
140
141struct acpi_prt_entry {
142 struct list_head node;
143 struct acpi_pci_id id;
144 u8 pin;
145 struct {
146 acpi_handle handle;
147 u32 index;
148 } link;
149 u32 irq;
150};
151
152struct acpi_prt_list {
153 int count;
154 struct list_head entries;
155};
156
157struct pci_dev;
158
159int acpi_pci_irq_enable (struct pci_dev *dev);
160void acpi_penalize_isa_irq(int irq, int active);
161
162void acpi_pci_irq_disable (struct pci_dev *dev);
163
164struct acpi_pci_driver {
165 struct acpi_pci_driver *next;
166 int (*add)(acpi_handle handle);
167 void (*remove)(acpi_handle handle);
168};
169
170int acpi_pci_register_driver(struct acpi_pci_driver *driver);
171void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
172
173#ifdef CONFIG_ACPI_EC
174
175extern int ec_read(u8 addr, u8 *val);
176extern int ec_write(u8 addr, u8 val);
177extern int ec_transaction(u8 command,
178 const u8 *wdata, unsigned wdata_len,
179 u8 *rdata, unsigned rdata_len,
180 int force_poll);
181
182#endif /*CONFIG_ACPI_EC*/
183
184#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
185
186typedef void (*wmi_notify_handler) (u32 value, void *context);
187
188extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
189 u32 method_id,
190 const struct acpi_buffer *in,
191 struct acpi_buffer *out);
192extern acpi_status wmi_query_block(const char *guid, u8 instance,
193 struct acpi_buffer *out);
194extern acpi_status wmi_set_block(const char *guid, u8 instance,
195 const struct acpi_buffer *in);
196extern acpi_status wmi_install_notify_handler(const char *guid,
197 wmi_notify_handler handler, void *data);
198extern acpi_status wmi_remove_notify_handler(const char *guid);
199extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
200extern bool wmi_has_guid(const char *guid);
201
202#endif /* CONFIG_ACPI_WMI */
203
204extern int acpi_blacklisted(void);
205#ifdef CONFIG_DMI
206extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
207extern int acpi_osi_setup(char *str);
208#endif
209
210#ifdef CONFIG_ACPI_NUMA
211int acpi_get_pxm(acpi_handle handle);
212int acpi_get_node(acpi_handle *handle);
213#else
214static inline int acpi_get_pxm(acpi_handle handle)
215{
216 return 0;
217}
218static inline int acpi_get_node(acpi_handle *handle)
219{
220 return 0;
221}
222#endif
223extern int acpi_paddr_to_node(u64 start_addr, u64 size);
224
225extern int pnpacpi_disabled;
226
227#define PXM_INVAL (-1)
228#define NID_INVAL (-1)
229
230int acpi_check_resource_conflict(struct resource *res);
231
232int acpi_check_region(resource_size_t start, resource_size_t n,
233 const char *name);
234int acpi_check_mem_region(resource_size_t start, resource_size_t n,
235 const char *name);
236
237#else /* CONFIG_ACPI */
238
239static inline int early_acpi_boot_init(void)
240{
241 return 0;
242}
243static inline int acpi_boot_init(void)
244{
245 return 0;
246}
247
248static inline int acpi_boot_table_init(void)
249{
250 return 0;
251}
252
253static inline int acpi_check_resource_conflict(struct resource *res)
254{
255 return 0;
256}
257
258static inline int acpi_check_region(resource_size_t start, resource_size_t n,
259 const char *name)
260{
261 return 0;
262}
263
264static inline int acpi_check_mem_region(resource_size_t start,
265 resource_size_t n, const char *name)
266{
267 return 0;
268}
269
270#endif /* !CONFIG_ACPI */
271#endif /*_LINUX_ACPI_H*/