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 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
35 #include <linux/list.h>
37 #include <acpi/acpi.h>
38 #include <acpi/acpi_bus.h>
39 #include <acpi/acpi_drivers.h>
40 #include <acpi/acpi_numa.h>
46 enum acpi_irq_model_id
{
47 ACPI_IRQ_MODEL_PIC
= 0,
48 ACPI_IRQ_MODEL_IOAPIC
,
49 ACPI_IRQ_MODEL_IOSAPIC
,
50 ACPI_IRQ_MODEL_PLATFORM
,
54 extern enum acpi_irq_model_id acpi_irq_model
;
56 enum acpi_interrupt_id
{
57 ACPI_INTERRUPT_PMI
= 1,
63 #define ACPI_SPACE_MEM 0
65 enum acpi_address_range_id
{
66 ACPI_ADDRESS_RANGE_MEMORY
= 1,
67 ACPI_ADDRESS_RANGE_RESERVED
= 2,
68 ACPI_ADDRESS_RANGE_ACPI
= 3,
69 ACPI_ADDRESS_RANGE_NVS
= 4,
70 ACPI_ADDRESS_RANGE_COUNT
76 typedef int (*acpi_table_handler
) (struct acpi_table_header
*table
);
78 typedef int (*acpi_madt_entry_handler
) (struct acpi_subtable_header
*header
, const unsigned long end
);
80 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
81 unsigned long acpi_find_rsdp (void);
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 acpi_table_parse_madt (enum acpi_madt_type id
, acpi_madt_entry_handler handler
, unsigned int max_entries
);
89 int acpi_table_parse_srat (enum acpi_srat_type id
, acpi_madt_entry_handler handler
, unsigned int max_entries
);
90 int acpi_parse_mcfg (struct acpi_table_header
*header
);
91 void acpi_table_print_madt_entry (struct acpi_subtable_header
*madt
);
92 void acpi_table_print_srat_entry (struct acpi_subtable_header
*srat
);
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
);
117 extern int acpi_mp_config
;
119 extern struct acpi_mcfg_allocation
*pci_mmcfg_config
;
120 extern int pci_mmcfg_config_num
;
123 extern unsigned long acpi_video_flags
;
125 #else /* !CONFIG_ACPI */
127 #define acpi_mp_config 0
129 #endif /* !CONFIG_ACPI */
131 int acpi_register_gsi (u32 gsi
, int triggering
, int polarity
);
132 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
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
139 void acpi_unregister_gsi (u32 gsi
);
143 struct acpi_prt_entry
{
144 struct list_head node
;
145 struct acpi_pci_id id
;
154 struct acpi_prt_list
{
156 struct list_head entries
;
161 int acpi_pci_irq_enable (struct pci_dev
*dev
);
162 void acpi_penalize_isa_irq(int irq
, int active
);
164 void acpi_pci_irq_disable (struct pci_dev
*dev
);
166 struct acpi_pci_driver
{
167 struct acpi_pci_driver
*next
;
168 int (*add
)(acpi_handle handle
);
169 void (*remove
)(acpi_handle handle
);
172 int acpi_pci_register_driver(struct acpi_pci_driver
*driver
);
173 void acpi_pci_unregister_driver(struct acpi_pci_driver
*driver
);
175 #endif /* CONFIG_ACPI */
177 #ifdef CONFIG_ACPI_EC
179 extern int ec_read(u8 addr
, u8
*val
);
180 extern int ec_write(u8 addr
, u8 val
);
181 extern int ec_transaction(u8 command
,
182 const u8
*wdata
, unsigned wdata_len
,
183 u8
*rdata
, unsigned rdata_len
);
185 #endif /*CONFIG_ACPI_EC*/
187 extern int acpi_blacklisted(void);
188 extern void acpi_bios_year(char *s
);
190 #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
194 * Set highest legal C-state
195 * 0: C0 okay, but not C1
196 * 1: C1 okay, but not C2
197 * 2: C2 okay, but not C3 etc.
200 extern unsigned int max_cstate
;
202 static inline unsigned int acpi_get_cstate_limit(void)
206 static inline void acpi_set_cstate_limit(unsigned int new_limit
)
208 max_cstate
= new_limit
;
212 static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
213 static inline void acpi_set_cstate_limit(unsigned int new_limit
) { return; }
216 #ifdef CONFIG_ACPI_NUMA
217 int acpi_get_pxm(acpi_handle handle
);
218 int acpi_get_node(acpi_handle
*handle
);
220 static inline int acpi_get_pxm(acpi_handle handle
)
224 static inline int acpi_get_node(acpi_handle
*handle
)
229 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
231 extern int pnpacpi_disabled
;
233 #else /* CONFIG_ACPI */
235 static inline int acpi_boot_init(void)
240 static inline int acpi_boot_table_init(void)
245 #endif /* CONFIG_ACPI */
246 #endif /*_LINUX_ACPI_H*/