tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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_mps_check (void);
86int acpi_numa_init (void);
87
88int acpi_table_init (void);
89int acpi_table_parse (char *id, acpi_table_handler handler);
90int __init acpi_table_parse_entries(char *id, unsigned long table_size,
91 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
92int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
93int acpi_parse_mcfg (struct acpi_table_header *header);
94void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
95
96/* the following four functions are architecture-dependent */
97void acpi_numa_slit_init (struct acpi_table_slit *slit);
98void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
99void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
100void acpi_numa_arch_fixup(void);
101
102#ifdef CONFIG_ACPI_HOTPLUG_CPU
103/* Arch dependent functions for cpu hotplug support */
104int acpi_map_lsapic(acpi_handle handle, int *pcpu);
105int acpi_unmap_lsapic(int cpu);
106#endif /* CONFIG_ACPI_HOTPLUG_CPU */
107
108int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
109int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
110void acpi_irq_stats_init(void);
111extern u32 acpi_irq_handled;
112
113extern struct acpi_mcfg_allocation *pci_mmcfg_config;
114extern int pci_mmcfg_config_num;
115
116extern int sbf_port;
117extern unsigned long acpi_realmode_flags;
118
119int acpi_register_gsi (u32 gsi, int triggering, int polarity);
120int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
121
122#ifdef CONFIG_X86_IO_APIC
123extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
124#else
125#define acpi_get_override_irq(bus, trigger, polarity) (-1)
126#endif
127/*
128 * This function undoes the effect of one call to acpi_register_gsi().
129 * If this matches the last registration, any IRQ resources for gsi
130 * are freed.
131 */
132void acpi_unregister_gsi (u32 gsi);
133
134struct acpi_prt_entry {
135 struct list_head node;
136 struct acpi_pci_id id;
137 u8 pin;
138 struct {
139 acpi_handle handle;
140 u32 index;
141 } link;
142 u32 irq;
143};
144
145struct acpi_prt_list {
146 int count;
147 struct list_head entries;
148};
149
150struct pci_dev;
151
152int acpi_pci_irq_enable (struct pci_dev *dev);
153void acpi_penalize_isa_irq(int irq, int active);
154
155void acpi_pci_irq_disable (struct pci_dev *dev);
156
157struct acpi_pci_driver {
158 struct acpi_pci_driver *next;
159 int (*add)(acpi_handle handle);
160 void (*remove)(acpi_handle handle);
161};
162
163int acpi_pci_register_driver(struct acpi_pci_driver *driver);
164void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
165
166#ifdef CONFIG_ACPI_EC
167
168extern int ec_read(u8 addr, u8 *val);
169extern int ec_write(u8 addr, u8 val);
170extern int ec_transaction(u8 command,
171 const u8 *wdata, unsigned wdata_len,
172 u8 *rdata, unsigned rdata_len,
173 int force_poll);
174
175#endif /*CONFIG_ACPI_EC*/
176
177#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
178
179typedef void (*wmi_notify_handler) (u32 value, void *context);
180
181extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
182 u32 method_id,
183 const struct acpi_buffer *in,
184 struct acpi_buffer *out);
185extern acpi_status wmi_query_block(const char *guid, u8 instance,
186 struct acpi_buffer *out);
187extern acpi_status wmi_set_block(const char *guid, u8 instance,
188 const struct acpi_buffer *in);
189extern acpi_status wmi_install_notify_handler(const char *guid,
190 wmi_notify_handler handler, void *data);
191extern acpi_status wmi_remove_notify_handler(const char *guid);
192extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
193extern bool wmi_has_guid(const char *guid);
194
195#endif /* CONFIG_ACPI_WMI */
196
197extern int acpi_blacklisted(void);
198#ifdef CONFIG_DMI
199extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
200extern int acpi_osi_setup(char *str);
201#endif
202
203#ifdef CONFIG_ACPI_NUMA
204int acpi_get_pxm(acpi_handle handle);
205int acpi_get_node(acpi_handle *handle);
206#else
207static inline int acpi_get_pxm(acpi_handle handle)
208{
209 return 0;
210}
211static inline int acpi_get_node(acpi_handle *handle)
212{
213 return 0;
214}
215#endif
216extern int acpi_paddr_to_node(u64 start_addr, u64 size);
217
218extern int pnpacpi_disabled;
219
220#define PXM_INVAL (-1)
221#define NID_INVAL (-1)
222
223int acpi_check_resource_conflict(struct resource *res);
224
225int acpi_check_region(resource_size_t start, resource_size_t n,
226 const char *name);
227int acpi_check_mem_region(resource_size_t start, resource_size_t n,
228 const char *name);
229
230#ifdef CONFIG_PM_SLEEP
231void __init acpi_no_s4_hw_signature(void);
232void __init acpi_old_suspend_ordering(void);
233#endif /* CONFIG_PM_SLEEP */
234#else /* CONFIG_ACPI */
235
236static inline int early_acpi_boot_init(void)
237{
238 return 0;
239}
240static inline int acpi_boot_init(void)
241{
242 return 0;
243}
244
245static inline int acpi_boot_table_init(void)
246{
247 return 0;
248}
249
250static inline int acpi_mps_check(void)
251{
252 return 0;
253}
254
255static inline int acpi_check_resource_conflict(struct resource *res)
256{
257 return 0;
258}
259
260static inline int acpi_check_region(resource_size_t start, resource_size_t n,
261 const char *name)
262{
263 return 0;
264}
265
266static inline int acpi_check_mem_region(resource_size_t start,
267 resource_size_t n, const char *name)
268{
269 return 0;
270}
271
272#endif /* !CONFIG_ACPI */
273#endif /*_LINUX_ACPI_H*/