aboutsummaryrefslogtreecommitdiff
path: root/include/acpi/acpiosxf.h
blob: 4543b6f75867dfa4e6695e52e764cdd20c8f778d (plain)
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

/******************************************************************************
 *
 * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL).  These
 *                    interfaces must be implemented by OSL to interface the
 *                    ACPI components to the host operating system.
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2011, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef __ACPIOSXF_H__
#define __ACPIOSXF_H__

#include "platform/acenv.h"
#include "actypes.h"

/* Types for acpi_os_execute */

typedef enum {
	OSL_GLOBAL_LOCK_HANDLER,
	OSL_NOTIFY_HANDLER,
	OSL_GPE_HANDLER,
	OSL_DEBUGGER_THREAD,
	OSL_EC_POLL_HANDLER,
	OSL_EC_BURST_HANDLER
} acpi_execute_type;

#define ACPI_NO_UNIT_LIMIT          ((u32) -1)
#define ACPI_MUTEX_SEM              1

/* Functions for acpi_os_signal */

#define ACPI_SIGNAL_FATAL           0
#define ACPI_SIGNAL_BREAKPOINT      1

struct acpi_signal_fatal_info {
	u32 type;
	u32 code;
	u32 argument;
};

/*
 * OSL Initialization and shutdown primitives
 */
acpi_status __initdata acpi_os_initialize(void);

acpi_status acpi_os_terminate(void);

/*
 * ACPI Table interfaces
 */
acpi_physical_address acpi_os_get_root_pointer(void);

acpi_status
acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
			    acpi_string * new_val);

acpi_status
acpi_os_table_override(struct acpi_table_header *existing_table,
		       struct acpi_table_header **new_table);

/*
 * Spinlock primitives
 */

#ifndef acpi_os_create_lock
acpi_status
acpi_os_create_lock(acpi_spinlock *out_handle);
#endif

void acpi_os_delete_lock(acpi_spinlock handle);

acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);

void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);

/*
 * Semaphore primitives
 */
acpi_status
acpi_os_create_semaphore(u32 max_units,
			 u32 initial_units, acpi_semaphore * out_handle);

acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);

acpi_status
acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);

acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);

/*
 * Mutex primitives. May be configured to use semaphores instead via
 * ACPI_MUTEX_TYPE (see platform/acenv.h)
 */
#if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)

acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);

void acpi_os_delete_mutex(acpi_mutex handle);

acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);

void acpi_os_release_mutex(acpi_mutex handle);
#endif

/*
 * Memory allocation and mapping
 */
void *acpi_os_allocate(acpi_size size);

void __iomem *acpi_os_map_memory(acpi_physical_address where,
				acpi_size length);

void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);

#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_os_get_physical_address(void *logical_address,
			     acpi_physical_address * physical_address);
#endif

/*
 * Memory/Object Cache
 */
acpi_status
acpi_os_create_cache(char *cache_name,
		     u16 object_size,
		     u16 max_depth, acpi_cache_t ** return_cache);

acpi_status acpi_os_delete_cache(acpi_cache_t * cache);

acpi_status acpi_os_purge_cache(acpi_cache_t * cache);

void *acpi_os_acquire_object(acpi_cache_t * cache);

acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);

/*
 * Interrupt handlers
 */
acpi_status
acpi_os_install_interrupt_handler(u32 gsi,
				  acpi_osd_handler service_routine,
				  void *context);

acpi_status
acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler service_routine);

void acpi_os_gpe_count(u32 gpe_number);
void acpi_os_fixed_event_count(u32 fixed_event_number);

/*
 * Threads and Scheduling
 */
acpi_thread_id acpi_os_get_thread_id(void);

acpi_status
acpi_os_execute(acpi_execute_type type,
		acpi_osd_exec_callback function, void *context);

acpi_status
acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context);

void acpi_os_wait_events_complete(void *context);

void acpi_os_sleep(u64 milliseconds);

void acpi_os_stall(u32 microseconds);

/*
 * Platform and hardware-independent I/O interfaces
 */
acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width);

acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);

/*
 * Platform and hardware-independent physical memory interfaces
 */
acpi_status
acpi_os_read_memory(acpi_physical_address address, u32 * value, u32 width);

acpi_status
acpi_os_write_memory(acpi_physical_address address, u32 value, u32 width);

/*
 * Platform and hardware-independent PCI configuration space access
 * Note: Can't use "Register" as a parameter, changed to "Reg" --
 * certain compilers complain.
 */
acpi_status
acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
			       u32 reg, u64 *value, u32 width);

acpi_status
acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
				u32 reg, u64 value, u32 width);

/*
 * Miscellaneous
 */
acpi_status
acpi_os_validate_address(u8 space_id, acpi_physical_address address,
			 acpi_size length, char *name);
acpi_status
acpi_os_invalidate_address(u8 space_id, acpi_physical_address address,
			 acpi_size length);

u64 acpi_os_get_timer(void);

acpi_status acpi_os_signal(u32 function, void *info);

/*
 * Debug print routines
 */
void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);

void acpi_os_vprintf(const char *format, va_list args);

void acpi_os_redirect_output(void *destination);

#ifdef ACPI_FUTURE_USAGE
/*
 * Debug input
 */
u32 acpi_os_get_line(char *buffer);
#endif

/*
 * Directory manipulation
 */
void *acpi_os_open_directory(char *pathname,
			     char *wildcard_spec, char requested_file_type);

/* requeste_file_type values */

#define REQUEST_FILE_ONLY                   0
#define REQUEST_DIR_ONLY                    1

char *acpi_os_get_next_filename(void *dir_handle);

void acpi_os_close_directory(void *dir_handle);

#endif				/* __ACPIOSXF_H__ */