1 /* 2 * acpi.h - ACPI Interface 3 * 4 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 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 29 #ifdef CONFIG_ACPI 30 31 #ifndef _LINUX 32 #define _LINUX 33 #endif 34 35 #include <linux/list.h> 36 #include <linux/mod_devicetable.h> 37 38 #include <acpi/acpi.h> 39 #include <acpi/acpi_bus.h> 40 #include <acpi/acpi_drivers.h> 41 #include <acpi/acpi_numa.h> 42 #include <asm/acpi.h> 43 #include <linux/dmi.h> 44 45 46 #ifdef CONFIG_ACPI 47 48 enum acpi_irq_model_id { 49 ACPI_IRQ_MODEL_PIC = 0, 50 ACPI_IRQ_MODEL_IOAPIC, 51 ACPI_IRQ_MODEL_IOSAPIC, 52 ACPI_IRQ_MODEL_PLATFORM, 53 ACPI_IRQ_MODEL_COUNT 54 }; 55 56 extern enum acpi_irq_model_id acpi_irq_model; 57 58 enum acpi_interrupt_id { 59 ACPI_INTERRUPT_PMI = 1, 60 ACPI_INTERRUPT_INIT, 61 ACPI_INTERRUPT_CPEI, 62 ACPI_INTERRUPT_COUNT 63 }; 64 65 #define ACPI_SPACE_MEM 0 66 67 enum acpi_address_range_id { 68 ACPI_ADDRESS_RANGE_MEMORY = 1, 69 ACPI_ADDRESS_RANGE_RESERVED = 2, 70 ACPI_ADDRESS_RANGE_ACPI = 3, 71 ACPI_ADDRESS_RANGE_NVS = 4, 72 ACPI_ADDRESS_RANGE_COUNT 73 }; 74 75 76 /* Table Handlers */ 77 78 typedef int (*acpi_table_handler) (struct acpi_table_header *table); 79 80 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); 81 82 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 83 unsigned long acpi_find_rsdp (void); 84 int acpi_boot_init (void); 85 int acpi_boot_table_init (void); 86 int acpi_numa_init (void); 87 88 int acpi_table_init (void); 89 int acpi_table_parse (char *id, acpi_table_handler handler); 90 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 91 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); 92 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); 93 int acpi_parse_mcfg (struct acpi_table_header *header); 94 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 95 96 /* the following four functions are architecture-dependent */ 97 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT 98 #define NR_NODE_MEMBLKS MAX_NUMNODES 99 #define acpi_numa_slit_init(slit) do {} while (0) 100 #define acpi_numa_processor_affinity_init(pa) do {} while (0) 101 #define acpi_numa_memory_affinity_init(ma) do {} while (0) 102 #define acpi_numa_arch_fixup() do {} while (0) 103 #else 104 void acpi_numa_slit_init (struct acpi_table_slit *slit); 105 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 106 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 107 void acpi_numa_arch_fixup(void); 108 #endif 109 110 #ifdef CONFIG_ACPI_HOTPLUG_CPU 111 /* Arch dependent functions for cpu hotplug support */ 112 int acpi_map_lsapic(acpi_handle handle, int *pcpu); 113 int acpi_unmap_lsapic(int cpu); 114 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 115 116 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 117 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 118 119 extern int acpi_mp_config; 120 121 extern struct acpi_mcfg_allocation *pci_mmcfg_config; 122 extern int pci_mmcfg_config_num; 123 124 extern int sbf_port; 125 extern unsigned long acpi_realmode_flags; 126 127 #else /* !CONFIG_ACPI */ 128 129 #define acpi_mp_config 0 130 131 #endif /* !CONFIG_ACPI */ 132 133 int acpi_register_gsi (u32 gsi, int triggering, int polarity); 134 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 135 136 #ifdef CONFIG_X86_IO_APIC 137 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); 138 #else 139 #define acpi_get_override_irq(bus, trigger, polarity) (-1) 140 #endif 141 /* 142 * This function undoes the effect of one call to acpi_register_gsi(). 143 * If this matches the last registration, any IRQ resources for gsi 144 * are freed. 145 */ 146 void acpi_unregister_gsi (u32 gsi); 147 148 #ifdef CONFIG_ACPI 149 150 struct acpi_prt_entry { 151 struct list_head node; 152 struct acpi_pci_id id; 153 u8 pin; 154 struct { 155 acpi_handle handle; 156 u32 index; 157 } link; 158 u32 irq; 159 }; 160 161 struct acpi_prt_list { 162 int count; 163 struct list_head entries; 164 }; 165 166 struct pci_dev; 167 168 int acpi_pci_irq_enable (struct pci_dev *dev); 169 void acpi_penalize_isa_irq(int irq, int active); 170 171 void acpi_pci_irq_disable (struct pci_dev *dev); 172 173 struct acpi_pci_driver { 174 struct acpi_pci_driver *next; 175 int (*add)(acpi_handle handle); 176 void (*remove)(acpi_handle handle); 177 }; 178 179 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 180 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 181 182 #endif /* CONFIG_ACPI */ 183 184 #ifdef CONFIG_ACPI_EC 185 186 extern int ec_read(u8 addr, u8 *val); 187 extern int ec_write(u8 addr, u8 val); 188 extern int ec_transaction(u8 command, 189 const u8 *wdata, unsigned wdata_len, 190 u8 *rdata, unsigned rdata_len, 191 int force_poll); 192 193 #endif /*CONFIG_ACPI_EC*/ 194 195 extern int acpi_blacklisted(void); 196 #ifdef CONFIG_DMI 197 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 198 #endif 199 200 #ifdef CONFIG_ACPI_NUMA 201 int acpi_get_pxm(acpi_handle handle); 202 int acpi_get_node(acpi_handle *handle); 203 #else 204 static inline int acpi_get_pxm(acpi_handle handle) 205 { 206 return 0; 207 } 208 static inline int acpi_get_node(acpi_handle *handle) 209 { 210 return 0; 211 } 212 #endif 213 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 214 215 extern int pnpacpi_disabled; 216 217 #define PXM_INVAL (-1) 218 #define NID_INVAL (-1) 219 220 #else /* CONFIG_ACPI */ 221 222 static inline int acpi_boot_init(void) 223 { 224 return 0; 225 } 226 227 static inline int acpi_boot_table_init(void) 228 { 229 return 0; 230 } 231 232 #endif /* !CONFIG_ACPI */ 233 #endif /*_LINUX_ACPI_H*/ 234