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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 | /****************************************************************************** * * Name: acpiosd.h - All interfaces to the OS-dependent layer. These * interfaces must be implemented by the OS-dependent * front-end to the ACPI subsystem. * *****************************************************************************/ /* * Copyright (C) 2000 R. Byron Moore * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __ACPIOSD_H__ #define __ACPIOSD_H__ #include "acenv.h" #include "actypes.h" /* Priorities for Acpi_os_queue_for_execution */ #define OSD_PRIORITY_HIGH 1 #define OSD_PRIORITY_MED 2 #define OSD_PRIORITY_LO 3 #define OSD_PRIORITY_GPE OSD_PRIORITY_HIGH #define ACPI_NO_UNIT_LIMIT ((u32) -1) #define ACPI_MUTEX_SEM 1 /* * Types specific to the OS-dependent layer interfaces */ typedef u32 (*OSD_HANDLER) ( void *context); typedef void (*OSD_EXECUTION_CALLBACK) ( void *context); /* * Initialization and shutdown primitives (Optional) */ ACPI_STATUS acpi_os_initialize ( void); ACPI_STATUS acpi_os_terminate ( void); /* * Synchronization primitives */ ACPI_STATUS acpi_os_create_semaphore ( u32 max_units, u32 initial_units, ACPI_HANDLE *out_handle); ACPI_STATUS acpi_os_delete_semaphore ( ACPI_HANDLE handle); ACPI_STATUS acpi_os_wait_semaphore ( ACPI_HANDLE handle, u32 units, u32 timeout); ACPI_STATUS acpi_os_signal_semaphore ( ACPI_HANDLE handle, u32 units); /* * Memory allocation and mapping */ void * acpi_os_allocate ( u32 size); void * acpi_os_callocate ( u32 size); void acpi_os_free ( void * memory); ACPI_STATUS acpi_os_map_memory ( void *physical_address, u32 length, void **logical_address); void acpi_os_unmap_memory ( void *logical_address, u32 length); /* * Interrupt handlers */ ACPI_STATUS acpi_os_install_interrupt_handler ( u32 interrupt_number, OSD_HANDLER service_routine, void *context); ACPI_STATUS acpi_os_remove_interrupt_handler ( u32 interrupt_number, OSD_HANDLER service_routine); /* * Scheduling */ ACPI_STATUS acpi_os_queue_for_execution ( u32 priority, OSD_EXECUTION_CALLBACK function, void *context); void acpi_os_sleep ( u32 seconds, u32 milliseconds); void acpi_os_sleep_usec ( u32 microseconds); /* * Platform/Hardware independent I/O interfaces */ u8 acpi_os_in8 ( ACPI_IO_ADDRESS in_port); u16 acpi_os_in16 ( ACPI_IO_ADDRESS in_port); u32 acpi_os_in32 ( ACPI_IO_ADDRESS in_port); void acpi_os_out8 ( ACPI_IO_ADDRESS out_port, u8 value); void acpi_os_out16 ( ACPI_IO_ADDRESS out_port, u16 value); void acpi_os_out32 ( ACPI_IO_ADDRESS out_port, u32 value); /* * Standard access to PCI configuration space */ ACPI_STATUS acpi_os_read_pci_cfg_byte ( u32 bus, u32 device_function, u32 register, u8 *value); ACPI_STATUS acpi_os_read_pci_cfg_word ( u32 bus, u32 device_function, u32 register, u16 *value); ACPI_STATUS acpi_os_read_pci_cfg_dword ( u32 bus, u32 device_function, u32 register, u32 *value); ACPI_STATUS acpi_os_write_pci_cfg_byte ( u32 bus, u32 device_function, u32 register, u8 value); ACPI_STATUS acpi_os_write_pci_cfg_word ( u32 bus, u32 device_function, u32 register, u16 value); ACPI_STATUS acpi_os_write_pci_cfg_dword ( u32 bus, u32 device_function, u32 register, u32 value); /* * Miscellaneous */ ACPI_STATUS acpi_os_breakpoint ( char *message); u8 acpi_os_readable ( void *pointer, u32 length); u8 acpi_os_writable ( void *pointer, u32 length); /* * Debug print routines */ s32 acpi_os_printf ( const char *format, ...); s32 acpi_os_vprintf ( const char *format, va_list args); /* * Debug input */ u32 acpi_os_get_line ( char *buffer); /* * Debug */ void acpi_os_dbg_assert( void *failed_assertion, void *file_name, u32 line_number, char *message); #endif /* __ACPIOSD_H__ */ |