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1 | |
2 | /****************************************************************************** | |
3 | * | |
4 | * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These | |
5 | * interfaces must be implemented by OSL to interface the | |
6 | * ACPI components to the host operating system. | |
7 | * | |
8 | *****************************************************************************/ | |
9 | ||
10 | ||
11 | /* | |
12 | * Copyright (C) 2000 - 2005, R. Byron Moore | |
13 | * All rights reserved. | |
14 | * | |
15 | * Redistribution and use in source and binary forms, with or without | |
16 | * modification, are permitted provided that the following conditions | |
17 | * are met: | |
18 | * 1. Redistributions of source code must retain the above copyright | |
19 | * notice, this list of conditions, and the following disclaimer, | |
20 | * without modification. | |
21 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
22 | * substantially similar to the "NO WARRANTY" disclaimer below | |
23 | * ("Disclaimer") and any redistribution must be conditioned upon | |
24 | * including a substantially similar Disclaimer requirement for further | |
25 | * binary redistribution. | |
26 | * 3. Neither the names of the above-listed copyright holders nor the names | |
27 | * of any contributors may be used to endorse or promote products derived | |
28 | * from this software without specific prior written permission. | |
29 | * | |
30 | * Alternatively, this software may be distributed under the terms of the | |
31 | * GNU General Public License ("GPL") version 2 as published by the Free | |
32 | * Software Foundation. | |
33 | * | |
34 | * NO WARRANTY | |
35 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
36 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
37 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
38 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
39 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
40 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
41 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
42 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
43 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
44 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
45 | * POSSIBILITY OF SUCH DAMAGES. | |
46 | */ | |
47 | ||
48 | #ifndef __ACPIOSXF_H__ | |
49 | #define __ACPIOSXF_H__ | |
50 | ||
51 | #include "platform/acenv.h" | |
52 | #include "actypes.h" | |
53 | ||
54 | ||
55 | /* Priorities for acpi_os_queue_for_execution */ | |
56 | ||
57 | #define OSD_PRIORITY_GPE 1 | |
58 | #define OSD_PRIORITY_HIGH 2 | |
59 | #define OSD_PRIORITY_MED 3 | |
60 | #define OSD_PRIORITY_LO 4 | |
61 | ||
62 | #define ACPI_NO_UNIT_LIMIT ((u32) -1) | |
63 | #define ACPI_MUTEX_SEM 1 | |
64 | ||
65 | ||
66 | /* Functions for acpi_os_signal */ | |
67 | ||
68 | #define ACPI_SIGNAL_FATAL 0 | |
69 | #define ACPI_SIGNAL_BREAKPOINT 1 | |
70 | ||
71 | struct acpi_signal_fatal_info | |
72 | { | |
73 | u32 type; | |
74 | u32 code; | |
75 | u32 argument; | |
76 | }; | |
77 | ||
78 | ||
79 | /* | |
80 | * OSL Initialization and shutdown primitives | |
81 | */ | |
82 | ||
83 | acpi_status | |
84 | acpi_os_initialize ( | |
85 | void); | |
86 | ||
87 | acpi_status | |
88 | acpi_os_terminate ( | |
89 | void); | |
90 | ||
91 | ||
92 | /* | |
93 | * ACPI Table interfaces | |
94 | */ | |
95 | ||
96 | acpi_status | |
97 | acpi_os_get_root_pointer ( | |
98 | u32 flags, | |
99 | struct acpi_pointer *address); | |
100 | ||
101 | acpi_status | |
102 | acpi_os_predefined_override ( | |
103 | const struct acpi_predefined_names *init_val, | |
104 | acpi_string *new_val); | |
105 | ||
106 | acpi_status | |
107 | acpi_os_table_override ( | |
108 | struct acpi_table_header *existing_table, | |
109 | struct acpi_table_header **new_table); | |
110 | ||
111 | ||
112 | /* | |
113 | * Synchronization primitives | |
114 | */ | |
115 | ||
116 | acpi_status | |
117 | acpi_os_create_semaphore ( | |
118 | u32 max_units, | |
119 | u32 initial_units, | |
120 | acpi_handle *out_handle); | |
121 | ||
122 | acpi_status | |
123 | acpi_os_delete_semaphore ( | |
124 | acpi_handle handle); | |
125 | ||
126 | acpi_status | |
127 | acpi_os_wait_semaphore ( | |
128 | acpi_handle handle, | |
129 | u32 units, | |
130 | u16 timeout); | |
131 | ||
132 | acpi_status | |
133 | acpi_os_signal_semaphore ( | |
134 | acpi_handle handle, | |
135 | u32 units); | |
136 | ||
137 | acpi_status | |
138 | acpi_os_create_lock ( | |
139 | acpi_handle *out_handle); | |
140 | ||
141 | void | |
142 | acpi_os_delete_lock ( | |
143 | acpi_handle handle); | |
144 | ||
145 | void | |
146 | acpi_os_acquire_lock ( | |
147 | acpi_handle handle, | |
148 | u32 flags); | |
149 | ||
150 | void | |
151 | acpi_os_release_lock ( | |
152 | acpi_handle handle, | |
153 | u32 flags); | |
154 | ||
155 | ||
156 | /* | |
157 | * Memory allocation and mapping | |
158 | */ | |
159 | ||
160 | void * | |
161 | acpi_os_allocate ( | |
162 | acpi_size size); | |
163 | ||
164 | void | |
165 | acpi_os_free ( | |
166 | void * memory); | |
167 | ||
168 | acpi_status | |
169 | acpi_os_map_memory ( | |
170 | acpi_physical_address physical_address, | |
171 | acpi_size size, | |
172 | void __iomem **logical_address); | |
173 | ||
174 | void | |
175 | acpi_os_unmap_memory ( | |
176 | void __iomem *logical_address, | |
177 | acpi_size size); | |
178 | ||
179 | #ifdef ACPI_FUTURE_USAGE | |
180 | acpi_status | |
181 | acpi_os_get_physical_address ( | |
182 | void *logical_address, | |
183 | acpi_physical_address *physical_address); | |
184 | #endif | |
185 | ||
186 | ||
187 | /* | |
188 | * Interrupt handlers | |
189 | */ | |
190 | ||
191 | acpi_status | |
192 | acpi_os_install_interrupt_handler ( | |
193 | u32 gsi, | |
194 | acpi_osd_handler service_routine, | |
195 | void *context); | |
196 | ||
197 | acpi_status | |
198 | acpi_os_remove_interrupt_handler ( | |
199 | u32 gsi, | |
200 | acpi_osd_handler service_routine); | |
201 | ||
202 | ||
203 | /* | |
204 | * Threads and Scheduling | |
205 | */ | |
206 | ||
207 | u32 | |
208 | acpi_os_get_thread_id ( | |
209 | void); | |
210 | ||
211 | acpi_status | |
212 | acpi_os_queue_for_execution ( | |
213 | u32 priority, | |
214 | acpi_osd_exec_callback function, | |
215 | void *context); | |
216 | ||
217 | void | |
218 | acpi_os_wait_events_complete( | |
219 | void * context); | |
220 | ||
221 | void | |
222 | acpi_os_wait_events_complete ( | |
223 | void *context); | |
224 | ||
225 | void | |
226 | acpi_os_sleep ( | |
227 | acpi_integer milliseconds); | |
228 | ||
229 | void | |
230 | acpi_os_stall ( | |
231 | u32 microseconds); | |
232 | ||
233 | ||
234 | /* | |
235 | * Platform and hardware-independent I/O interfaces | |
236 | */ | |
237 | ||
238 | acpi_status | |
239 | acpi_os_read_port ( | |
240 | acpi_io_address address, | |
241 | u32 *value, | |
242 | u32 width); | |
243 | ||
244 | acpi_status | |
245 | acpi_os_write_port ( | |
246 | acpi_io_address address, | |
247 | u32 value, | |
248 | u32 width); | |
249 | ||
250 | ||
251 | /* | |
252 | * Platform and hardware-independent physical memory interfaces | |
253 | */ | |
254 | ||
255 | acpi_status | |
256 | acpi_os_read_memory ( | |
257 | acpi_physical_address address, | |
258 | u32 *value, | |
259 | u32 width); | |
260 | ||
261 | acpi_status | |
262 | acpi_os_write_memory ( | |
263 | acpi_physical_address address, | |
264 | u32 value, | |
265 | u32 width); | |
266 | ||
267 | ||
268 | /* | |
269 | * Platform and hardware-independent PCI configuration space access | |
270 | * Note: Can't use "Register" as a parameter, changed to "Reg" -- | |
271 | * certain compilers complain. | |
272 | */ | |
273 | ||
274 | acpi_status | |
275 | acpi_os_read_pci_configuration ( | |
276 | struct acpi_pci_id *pci_id, | |
277 | u32 reg, | |
278 | void *value, | |
279 | u32 width); | |
280 | ||
281 | acpi_status | |
282 | acpi_os_write_pci_configuration ( | |
283 | struct acpi_pci_id *pci_id, | |
284 | u32 reg, | |
285 | acpi_integer value, | |
286 | u32 width); | |
287 | ||
288 | /* | |
289 | * Interim function needed for PCI IRQ routing | |
290 | */ | |
291 | ||
292 | void | |
293 | acpi_os_derive_pci_id( | |
294 | acpi_handle rhandle, | |
295 | acpi_handle chandle, | |
296 | struct acpi_pci_id **pci_id); | |
297 | ||
298 | /* | |
299 | * Miscellaneous | |
300 | */ | |
301 | ||
302 | u8 | |
303 | acpi_os_readable ( | |
304 | void *pointer, | |
305 | acpi_size length); | |
306 | ||
307 | #ifdef ACPI_FUTURE_USAGE | |
308 | u8 | |
309 | acpi_os_writable ( | |
310 | void *pointer, | |
311 | acpi_size length); | |
312 | #endif | |
313 | ||
314 | u64 | |
315 | acpi_os_get_timer ( | |
316 | void); | |
317 | ||
318 | acpi_status | |
319 | acpi_os_signal ( | |
320 | u32 function, | |
321 | void *info); | |
322 | ||
323 | /* | |
324 | * Debug print routines | |
325 | */ | |
326 | ||
327 | void ACPI_INTERNAL_VAR_XFACE | |
328 | acpi_os_printf ( | |
329 | const char *format, | |
330 | ...); | |
331 | ||
332 | void | |
333 | acpi_os_vprintf ( | |
334 | const char *format, | |
335 | va_list args); | |
336 | ||
337 | void | |
338 | acpi_os_redirect_output ( | |
339 | void *destination); | |
340 | ||
341 | ||
342 | /* | |
343 | * Debug input | |
344 | */ | |
345 | ||
346 | #ifdef ACPI_FUTURE_USAGE | |
347 | u32 | |
348 | acpi_os_get_line ( | |
349 | char *buffer); | |
350 | #endif | |
351 | ||
352 | ||
353 | /* | |
354 | * Directory manipulation | |
355 | */ | |
356 | ||
357 | void * | |
358 | acpi_os_open_directory ( | |
359 | char *pathname, | |
360 | char *wildcard_spec, | |
361 | char requested_file_type); | |
362 | ||
363 | /* requeste_file_type values */ | |
364 | ||
365 | #define REQUEST_FILE_ONLY 0 | |
366 | #define REQUEST_DIR_ONLY 1 | |
367 | ||
368 | ||
369 | char * | |
370 | acpi_os_get_next_filename ( | |
371 | void *dir_handle); | |
372 | ||
373 | void | |
374 | acpi_os_close_directory ( | |
375 | void *dir_handle); | |
376 | ||
377 | /* | |
378 | * Debug | |
379 | */ | |
380 | ||
381 | void | |
382 | acpi_os_dbg_assert( | |
383 | void *failed_assertion, | |
384 | void *file_name, | |
385 | u32 line_number, | |
386 | char *message); | |
387 | ||
388 | ||
389 | #endif /* __ACPIOSXF_H__ */ |