ACPICA: create acpica/ directory
[linux-2.6.git] / include / acpi / achware.h
1 /******************************************************************************
2  *
3  * Name: achware.h -- hardware specific interfaces
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2008, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43
44 #ifndef __ACHWARE_H__
45 #define __ACHWARE_H__
46
47 /* Values for the _SST predefined method */
48
49 #define ACPI_SST_INDICATOR_OFF  0
50 #define ACPI_SST_WORKING        1
51 #define ACPI_SST_WAKING         2
52 #define ACPI_SST_SLEEPING       3
53 #define ACPI_SST_SLEEP_CONTEXT  4
54
55 /*
56  * hwacpi - high level functions
57  */
58 acpi_status acpi_hw_set_mode(u32 mode);
59
60 u32 acpi_hw_get_mode(void);
61
62 /*
63  * hwregs - ACPI Register I/O
64  */
65 struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
66
67 acpi_status
68 acpi_hw_register_read(u32 register_id, u32 * return_value);
69
70 acpi_status acpi_hw_register_write(u32 register_id, u32 value);
71
72 acpi_status acpi_hw_clear_acpi_status(void);
73
74 /*
75  * hwgpe - GPE support
76  */
77 acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
78
79 acpi_status
80 acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
81
82 acpi_status
83 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
84                           struct acpi_gpe_block_info *gpe_block, void *context);
85
86 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
87
88 acpi_status
89 acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
90                         struct acpi_gpe_block_info *gpe_block, void *context);
91
92 acpi_status
93 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
94                        acpi_event_status * event_status);
95
96 acpi_status acpi_hw_disable_all_gpes(void);
97
98 acpi_status acpi_hw_enable_all_runtime_gpes(void);
99
100 acpi_status acpi_hw_enable_all_wakeup_gpes(void);
101
102 acpi_status
103 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
104                                  struct acpi_gpe_block_info *gpe_block,
105                                  void *context);
106
107 #ifdef  ACPI_FUTURE_USAGE
108 /*
109  * hwtimer - ACPI Timer prototypes
110  */
111 acpi_status acpi_get_timer_resolution(u32 * resolution);
112
113 acpi_status acpi_get_timer(u32 * ticks);
114
115 acpi_status
116 acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed);
117 #endif                          /* ACPI_FUTURE_USAGE */
118
119 #endif                          /* __ACHWARE_H__ */