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>
44 #include <linux/dmi.h>
47 enum 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
,
55 extern enum acpi_irq_model_id acpi_irq_model
;
57 enum acpi_interrupt_id
{
58 ACPI_INTERRUPT_PMI
= 1,
64 #define ACPI_SPACE_MEM 0
66 enum 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
77 typedef int (*acpi_table_handler
) (struct acpi_table_header
*table
);
79 typedef int (*acpi_table_entry_handler
) (struct acpi_subtable_header
*header
, const unsigned long end
);
81 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
82 int acpi_boot_init (void);
83 int acpi_boot_table_init (void);
84 int acpi_numa_init (void);
86 int acpi_table_init (void);
87 int acpi_table_parse (char *id
, acpi_table_handler handler
);
88 int __init
acpi_table_parse_entries(char *id
, unsigned long table_size
,
89 int entry_id
, acpi_table_entry_handler handler
, unsigned int max_entries
);
90 int acpi_table_parse_madt (enum acpi_madt_type id
, acpi_table_entry_handler handler
, unsigned int max_entries
);
91 int acpi_parse_mcfg (struct acpi_table_header
*header
);
92 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
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)
102 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
103 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity
*pa
);
104 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity
*ma
);
105 void acpi_numa_arch_fixup(void);
108 #ifdef CONFIG_ACPI_HOTPLUG_CPU
109 /* Arch dependent functions for cpu hotplug support */
110 int acpi_map_lsapic(acpi_handle handle
, int *pcpu
);
111 int acpi_unmap_lsapic(int cpu
);
112 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
114 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
115 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
116 void acpi_irq_stats_init(void);
117 extern u32 acpi_irq_handled
;
119 extern struct acpi_mcfg_allocation
*pci_mmcfg_config
;
120 extern int pci_mmcfg_config_num
;
123 extern unsigned long acpi_realmode_flags
;
125 int acpi_register_gsi (u32 gsi
, int triggering
, int polarity
);
126 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
128 #ifdef CONFIG_X86_IO_APIC
129 extern int acpi_get_override_irq(int bus_irq
, int *trigger
, int *polarity
);
131 #define acpi_get_override_irq(bus, trigger, polarity) (-1)
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
138 void acpi_unregister_gsi (u32 gsi
);
140 struct acpi_prt_entry
{
141 struct list_head node
;
142 struct acpi_pci_id id
;
151 struct acpi_prt_list
{
153 struct list_head entries
;
158 int acpi_pci_irq_enable (struct pci_dev
*dev
);
159 void acpi_penalize_isa_irq(int irq
, int active
);
161 void acpi_pci_irq_disable (struct pci_dev
*dev
);
163 struct acpi_pci_driver
{
164 struct acpi_pci_driver
*next
;
165 int (*add
)(acpi_handle handle
);
166 void (*remove
)(acpi_handle handle
);
169 int acpi_pci_register_driver(struct acpi_pci_driver
*driver
);
170 void acpi_pci_unregister_driver(struct acpi_pci_driver
*driver
);
172 #ifdef CONFIG_ACPI_EC
174 extern int ec_read(u8 addr
, u8
*val
);
175 extern int ec_write(u8 addr
, u8 val
);
176 extern int ec_transaction(u8 command
,
177 const u8
*wdata
, unsigned wdata_len
,
178 u8
*rdata
, unsigned rdata_len
,
181 #endif /*CONFIG_ACPI_EC*/
183 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
185 typedef void (*wmi_notify_handler
) (u32 value
, void *context
);
187 extern acpi_status
wmi_evaluate_method(const char *guid
, u8 instance
,
189 const struct acpi_buffer
*in
,
190 struct acpi_buffer
*out
);
191 extern acpi_status
wmi_query_block(const char *guid
, u8 instance
,
192 struct acpi_buffer
*out
);
193 extern acpi_status
wmi_set_block(const char *guid
, u8 instance
,
194 const struct acpi_buffer
*in
);
195 extern acpi_status
wmi_install_notify_handler(const char *guid
,
196 wmi_notify_handler handler
, void *data
);
197 extern acpi_status
wmi_remove_notify_handler(const char *guid
);
198 extern acpi_status
wmi_get_event_data(u32 event
, struct acpi_buffer
*out
);
199 extern bool wmi_has_guid(const char *guid
);
201 #endif /* CONFIG_ACPI_WMI */
203 extern int acpi_blacklisted(void);
205 extern void acpi_dmi_osi_linux(int enable
, const struct dmi_system_id
*d
);
206 extern int acpi_osi_setup(char *str
);
209 #ifdef CONFIG_ACPI_NUMA
210 int acpi_get_pxm(acpi_handle handle
);
211 int acpi_get_node(acpi_handle
*handle
);
213 static inline int acpi_get_pxm(acpi_handle handle
)
217 static inline int acpi_get_node(acpi_handle
*handle
)
222 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
224 extern int pnpacpi_disabled
;
226 #define PXM_INVAL (-1)
227 #define NID_INVAL (-1)
229 int acpi_check_resource_conflict(struct resource
*res
);
231 int acpi_check_region(resource_size_t start
, resource_size_t n
,
233 int acpi_check_mem_region(resource_size_t start
, resource_size_t n
,
236 #else /* CONFIG_ACPI */
238 static inline int acpi_boot_init(void)
243 static inline int acpi_boot_table_init(void)
248 static inline int acpi_check_resource_conflict(struct resource
*res
)
253 static inline int acpi_check_region(resource_size_t start
, resource_size_t n
,
259 static inline int acpi_check_mem_region(resource_size_t start
,
260 resource_size_t n
, const char *name
)
265 #endif /* !CONFIG_ACPI */
266 #endif /*_LINUX_ACPI_H*/