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);
82void __acpi_unmap_table(char *map, unsigned long size);
83int early_acpi_boot_init(void);
84int acpi_boot_init (void);
85int acpi_boot_table_init (void);
86int acpi_mps_check (void);
87int acpi_numa_init (void);
88
89int acpi_table_init (void);
90int acpi_table_parse (char *id, acpi_table_handler handler);
91int __init acpi_table_parse_entries(char *id, unsigned long table_size,
92 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
93int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
94int acpi_parse_mcfg (struct acpi_table_header *header);
95void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
96
97/* the following four functions are architecture-dependent */
98void acpi_numa_slit_init (struct acpi_table_slit *slit);
99void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
100void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
101void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
102void acpi_numa_arch_fixup(void);
103
104#ifdef CONFIG_ACPI_HOTPLUG_CPU
105/* Arch dependent functions for cpu hotplug support */
106int acpi_map_lsapic(acpi_handle handle, int *pcpu);
107int acpi_unmap_lsapic(int cpu);
108#endif /* CONFIG_ACPI_HOTPLUG_CPU */
109
110int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
111int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
112void acpi_irq_stats_init(void);
113extern u32 acpi_irq_handled;
114extern u32 acpi_irq_not_handled;
115
116extern struct acpi_mcfg_allocation *pci_mmcfg_config;
117extern int pci_mmcfg_config_num;
118
119extern int sbf_port;
120extern unsigned long acpi_realmode_flags;
121
122int acpi_register_gsi (u32 gsi, int triggering, int polarity);
123int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
124
125#ifdef CONFIG_X86_IO_APIC
126extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
127#else
128#define acpi_get_override_irq(bus, trigger, polarity) (-1)
129#endif
130/*
131 * This function undoes the effect of one call to acpi_register_gsi().
132 * If this matches the last registration, any IRQ resources for gsi
133 * are freed.
134 */
135void acpi_unregister_gsi (u32 gsi);
136
137struct pci_dev;
138
139int acpi_pci_irq_enable (struct pci_dev *dev);
140void acpi_penalize_isa_irq(int irq, int active);
141
142void acpi_pci_irq_disable (struct pci_dev *dev);
143
144struct acpi_pci_driver {
145 struct acpi_pci_driver *next;
146 int (*add)(acpi_handle handle);
147 void (*remove)(acpi_handle handle);
148};
149
150int acpi_pci_register_driver(struct acpi_pci_driver *driver);
151void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
152
153extern int ec_read(u8 addr, u8 *val);
154extern int ec_write(u8 addr, u8 val);
155extern int ec_transaction(u8 command,
156 const u8 *wdata, unsigned wdata_len,
157 u8 *rdata, unsigned rdata_len,
158 int force_poll);
159
160#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
161
162typedef void (*wmi_notify_handler) (u32 value, void *context);
163
164extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
165 u32 method_id,
166 const struct acpi_buffer *in,
167 struct acpi_buffer *out);
168extern acpi_status wmi_query_block(const char *guid, u8 instance,
169 struct acpi_buffer *out);
170extern acpi_status wmi_set_block(const char *guid, u8 instance,
171 const struct acpi_buffer *in);
172extern acpi_status wmi_install_notify_handler(const char *guid,
173 wmi_notify_handler handler, void *data);
174extern acpi_status wmi_remove_notify_handler(const char *guid);
175extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
176extern bool wmi_has_guid(const char *guid);
177
178#endif /* CONFIG_ACPI_WMI */
179
180#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
181#define ACPI_VIDEO_DEVICE_POSTING 0x0002
182#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
183#define ACPI_VIDEO_BACKLIGHT 0x0008
184#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
185#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
186#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
187#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
188#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
189#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
190#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
191#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
192
193#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
194
195extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
196extern long acpi_is_video_device(struct acpi_device *device);
197extern int acpi_video_backlight_support(void);
198extern int acpi_video_display_switch_support(void);
199
200#else
201
202static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
203{
204 return 0;
205}
206
207static inline long acpi_is_video_device(struct acpi_device *device)
208{
209 return 0;
210}
211
212static inline int acpi_video_backlight_support(void)
213{
214 return 0;
215}
216
217static inline int acpi_video_display_switch_support(void)
218{
219 return 0;
220}
221
222#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
223
224extern int acpi_blacklisted(void);
225#ifdef CONFIG_DMI
226extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
227extern int acpi_osi_setup(char *str);
228#endif
229
230#ifdef CONFIG_ACPI_NUMA
231int acpi_get_pxm(acpi_handle handle);
232int acpi_get_node(acpi_handle *handle);
233#else
234static inline int acpi_get_pxm(acpi_handle handle)
235{
236 return 0;
237}
238static inline int acpi_get_node(acpi_handle *handle)
239{
240 return 0;
241}
242#endif
243extern int acpi_paddr_to_node(u64 start_addr, u64 size);
244
245extern int pnpacpi_disabled;
246
247#define PXM_INVAL (-1)
248#define NID_INVAL (-1)
249
250int acpi_check_resource_conflict(struct resource *res);
251
252int acpi_check_region(resource_size_t start, resource_size_t n,
253 const char *name);
254int acpi_check_mem_region(resource_size_t start, resource_size_t n,
255 const char *name);
256
257#ifdef CONFIG_PM_SLEEP
258void __init acpi_no_s4_hw_signature(void);
259void __init acpi_old_suspend_ordering(void);
260void __init acpi_s4_no_nvs(void);
261#endif /* CONFIG_PM_SLEEP */
262
263#define OSC_QUERY_TYPE 0
264#define OSC_SUPPORT_TYPE 1
265#define OSC_CONTROL_TYPE 2
266#define OSC_SUPPORT_MASKS 0x1f
267
268/* _OSC DW0 Definition */
269#define OSC_QUERY_ENABLE 1
270#define OSC_REQUEST_ERROR 2
271#define OSC_INVALID_UUID_ERROR 4
272#define OSC_INVALID_REVISION_ERROR 8
273#define OSC_CAPABILITIES_MASK_ERROR 16
274
275/* _OSC DW1 Definition (OS Support Fields) */
276#define OSC_EXT_PCI_CONFIG_SUPPORT 1
277#define OSC_ACTIVE_STATE_PWR_SUPPORT 2
278#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
279#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
280#define OSC_MSI_SUPPORT 16
281
282/* _OSC DW1 Definition (OS Control Fields) */
283#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
284#define OSC_SHPC_NATIVE_HP_CONTROL 2
285#define OSC_PCI_EXPRESS_PME_CONTROL 4
286#define OSC_PCI_EXPRESS_AER_CONTROL 8
287#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
288
289#define OSC_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
290 OSC_SHPC_NATIVE_HP_CONTROL | \
291 OSC_PCI_EXPRESS_PME_CONTROL | \
292 OSC_PCI_EXPRESS_AER_CONTROL | \
293 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
294
295extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags);
296#else /* CONFIG_ACPI */
297
298static inline int early_acpi_boot_init(void)
299{
300 return 0;
301}
302static inline int acpi_boot_init(void)
303{
304 return 0;
305}
306
307static inline int acpi_boot_table_init(void)
308{
309 return 0;
310}
311
312static inline int acpi_mps_check(void)
313{
314 return 0;
315}
316
317static inline int acpi_check_resource_conflict(struct resource *res)
318{
319 return 0;
320}
321
322static inline int acpi_check_region(resource_size_t start, resource_size_t n,
323 const char *name)
324{
325 return 0;
326}
327
328static inline int acpi_check_mem_region(resource_size_t start,
329 resource_size_t n, const char *name)
330{
331 return 0;
332}
333
334#endif /* !CONFIG_ACPI */
335#endif /*_LINUX_ACPI_H*/