2 * acpi.h - ACPI Interface
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
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
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
28 #include <linux/ioport.h> /* for struct resource */
36 #include <linux/list.h>
37 #include <linux/mod_devicetable.h>
39 #include <acpi/acpi.h>
40 #include <acpi/acpi_bus.h>
41 #include <acpi/acpi_drivers.h>
42 #include <acpi/acpi_numa.h>
45 enum acpi_irq_model_id
{
46 ACPI_IRQ_MODEL_PIC
= 0,
47 ACPI_IRQ_MODEL_IOAPIC
,
48 ACPI_IRQ_MODEL_IOSAPIC
,
49 ACPI_IRQ_MODEL_PLATFORM
,
53 extern enum acpi_irq_model_id acpi_irq_model
;
55 enum acpi_interrupt_id
{
56 ACPI_INTERRUPT_PMI
= 1,
62 #define ACPI_SPACE_MEM 0
64 enum acpi_address_range_id
{
65 ACPI_ADDRESS_RANGE_MEMORY
= 1,
66 ACPI_ADDRESS_RANGE_RESERVED
= 2,
67 ACPI_ADDRESS_RANGE_ACPI
= 3,
68 ACPI_ADDRESS_RANGE_NVS
= 4,
69 ACPI_ADDRESS_RANGE_COUNT
75 typedef int (*acpi_table_handler
) (struct acpi_table_header
*table
);
77 typedef int (*acpi_table_entry_handler
) (struct acpi_subtable_header
*header
, const unsigned long end
);
79 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
80 void __acpi_unmap_table(char *map
, unsigned long size
);
81 int early_acpi_boot_init(void);
82 int acpi_boot_init (void);
83 void acpi_boot_table_init (void);
84 int acpi_mps_check (void);
85 int acpi_numa_init (void);
87 int acpi_table_init (void);
88 int acpi_table_parse (char *id
, acpi_table_handler handler
);
89 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
90 int entry_id
, acpi_table_entry_handler handler
, unsigned int max_entries
);
91 int acpi_table_parse_madt (enum acpi_madt_type id
, acpi_table_entry_handler handler
, unsigned int max_entries
);
92 int acpi_parse_mcfg (struct acpi_table_header
*header
);
93 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
95 /* the following four functions are architecture-dependent */
96 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
97 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
98 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity
*pa
);
99 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
100 void acpi_numa_arch_fixup(void);
102 #ifdef CONFIG_ACPI_HOTPLUG_CPU
103 /* Arch dependent functions for cpu hotplug support */
104 int acpi_map_lsapic(acpi_handle handle
, int *pcpu
);
105 int acpi_unmap_lsapic(int cpu
);
106 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
108 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
109 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
110 void acpi_irq_stats_init(void);
111 extern u32 acpi_irq_handled
;
112 extern u32 acpi_irq_not_handled
;
115 extern unsigned long acpi_realmode_flags
;
117 int acpi_register_gsi (struct device
*dev
, u32 gsi
, int triggering
, int polarity
);
118 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
119 int acpi_isa_irq_to_gsi (unsigned isa_irq
, u32
*gsi
);
121 #ifdef CONFIG_X86_IO_APIC
122 extern int acpi_get_override_irq(u32 gsi
, int *trigger
, int *polarity
);
124 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
127 * This function undoes the effect of one call to acpi_register_gsi().
128 * If this matches the last registration, any IRQ resources for gsi
131 void acpi_unregister_gsi (u32 gsi
);
135 int acpi_pci_irq_enable (struct pci_dev
*dev
);
136 void acpi_penalize_isa_irq(int irq
, int active
);
138 void acpi_pci_irq_disable (struct pci_dev
*dev
);
140 struct acpi_pci_driver
{
141 struct acpi_pci_driver
*next
;
142 int (*add
)(acpi_handle handle
);
143 void (*remove
)(acpi_handle handle
);
146 int acpi_pci_register_driver(struct acpi_pci_driver
*driver
);
147 void acpi_pci_unregister_driver(struct acpi_pci_driver
*driver
);
149 extern int ec_read(u8 addr
, u8
*val
);
150 extern int ec_write(u8 addr
, u8 val
);
151 extern int ec_transaction(u8 command
,
152 const u8
*wdata
, unsigned wdata_len
,
153 u8
*rdata
, unsigned rdata_len
,
156 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
158 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
160 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
162 const struct acpi_buffer
*in
,
163 struct acpi_buffer
*out
);
164 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
165 struct acpi_buffer
*out
);
166 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
167 const struct acpi_buffer
*in
);
168 extern acpi_status
wmi_install_notify_handler(const char *guid
,
169 wmi_notify_handler handler
, void *data
);
170 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
171 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
172 extern bool wmi_has_guid(const char *guid
);
174 #endif /* CONFIG_ACPI_WMI */
176 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
177 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
178 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
179 #define ACPI_VIDEO_BACKLIGHT 0x0008
180 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
181 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
182 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
183 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
184 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
185 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
186 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
187 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
189 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
191 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle
);
192 extern long acpi_is_video_device(struct acpi_device
*device
);
193 extern int acpi_video_backlight_support(void);
194 extern int acpi_video_display_switch_support(void);
198 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle
)
203 static inline long acpi_is_video_device(struct acpi_device
*device
)
208 static inline int acpi_video_backlight_support(void)
213 static inline int acpi_video_display_switch_support(void)
218 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
220 extern int acpi_blacklisted(void);
221 extern void acpi_dmi_osi_linux(int enable
, const struct dmi_system_id
*d
);
222 extern int acpi_osi_setup(char *str
);
224 #ifdef CONFIG_ACPI_NUMA
225 int acpi_get_pxm(acpi_handle handle
);
226 int acpi_get_node(acpi_handle
*handle
);
228 static inline int acpi_get_pxm(acpi_handle handle
)
232 static inline int acpi_get_node(acpi_handle
*handle
)
237 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
239 extern int pnpacpi_disabled
;
241 #define PXM_INVAL (-1)
242 #define NID_INVAL (-1)
244 int acpi_check_resource_conflict(const struct resource
*res
);
246 int acpi_check_region(resource_size_t start
, resource_size_t n
,
248 int acpi_check_mem_region(resource_size_t start
, resource_size_t n
,
251 int acpi_resources_are_enforced(void);
253 #ifdef CONFIG_PM_SLEEP
254 void __init
acpi_no_s4_hw_signature(void);
255 void __init
acpi_old_suspend_ordering(void);
256 void __init
acpi_s4_no_nvs(void);
257 #endif /* CONFIG_PM_SLEEP */
259 struct acpi_osc_context
{
260 char *uuid_str
; /* uuid string */
262 struct acpi_buffer cap
; /* arg2/arg3 */
263 struct acpi_buffer ret
; /* free by caller if success */
266 #define OSC_QUERY_TYPE 0
267 #define OSC_SUPPORT_TYPE 1
268 #define OSC_CONTROL_TYPE 2
270 /* _OSC DW0 Definition */
271 #define OSC_QUERY_ENABLE 1
272 #define OSC_REQUEST_ERROR 2
273 #define OSC_INVALID_UUID_ERROR 4
274 #define OSC_INVALID_REVISION_ERROR 8
275 #define OSC_CAPABILITIES_MASK_ERROR 16
277 acpi_status
acpi_run_osc(acpi_handle handle
, struct acpi_osc_context
*context
);
279 /* platform-wide _OSC bits */
280 #define OSC_SB_PAD_SUPPORT 1
281 #define OSC_SB_PPC_OST_SUPPORT 2
282 #define OSC_SB_PR3_SUPPORT 4
283 #define OSC_SB_CPUHP_OST_SUPPORT 8
284 #define OSC_SB_APEI_SUPPORT 16
286 /* PCI defined _OSC bits */
287 /* _OSC DW1 Definition (OS Support Fields) */
288 #define OSC_EXT_PCI_CONFIG_SUPPORT 1
289 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2
290 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
291 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
292 #define OSC_MSI_SUPPORT 16
293 #define OSC_PCI_SUPPORT_MASKS 0x1f
295 /* _OSC DW1 Definition (OS Control Fields) */
296 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
297 #define OSC_SHPC_NATIVE_HP_CONTROL 2
298 #define OSC_PCI_EXPRESS_PME_CONTROL 4
299 #define OSC_PCI_EXPRESS_AER_CONTROL 8
300 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
302 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
303 OSC_SHPC_NATIVE_HP_CONTROL | \
304 OSC_PCI_EXPRESS_PME_CONTROL | \
305 OSC_PCI_EXPRESS_AER_CONTROL | \
306 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
308 extern acpi_status
acpi_pci_osc_control_set(acpi_handle handle
, u32 flags
);
309 extern void acpi_early_init(void);
311 #else /* !CONFIG_ACPI */
313 #define acpi_disabled 1
315 static inline void acpi_early_init(void) { }
317 static inline int early_acpi_boot_init(void)
321 static inline int acpi_boot_init(void)
326 static inline void acpi_boot_table_init(void)
331 static inline int acpi_mps_check(void)
336 static inline int acpi_check_resource_conflict(struct resource
*res
)
341 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
347 static inline int acpi_check_mem_region(resource_size_t start
,
348 resource_size_t n
, const char *name
)
353 struct acpi_table_header
;
354 static inline int acpi_table_parse(char *id
,
355 int (*handler
)(struct acpi_table_header
*))
359 #endif /* !CONFIG_ACPI */
360 #endif /*_LINUX_ACPI_H*/