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-rw-r--r--include/acpi/achware.h131
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diff --git a/include/acpi/achware.h b/include/acpi/achware.h
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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/* PM Timer ticks per second (HZ) */
48
49#define PM_TIMER_FREQUENCY 3579545
50
51/* Values for the _SST reserved method */
52
53#define ACPI_SST_INDICATOR_OFF 0
54#define ACPI_SST_WORKING 1
55#define ACPI_SST_WAKING 2
56#define ACPI_SST_SLEEPING 3
57#define ACPI_SST_SLEEP_CONTEXT 4
58
59/* Prototypes */
60
61/*
62 * hwacpi - high level functions
63 */
64acpi_status acpi_hw_set_mode(u32 mode);
65
66u32 acpi_hw_get_mode(void);
67
68/*
69 * hwregs - ACPI Register I/O
70 */
71struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
72
73acpi_status
74acpi_hw_register_read(u32 register_id, u32 * return_value);
75
76acpi_status acpi_hw_register_write(u32 register_id, u32 value);
77
78acpi_status
79acpi_hw_low_level_read(u32 width,
80 u32 * value, struct acpi_generic_address *reg);
81
82acpi_status
83acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address *reg);
84
85acpi_status acpi_hw_clear_acpi_status(void);
86
87/*
88 * hwgpe - GPE support
89 */
90acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
91
92acpi_status
93acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
94
95acpi_status
96acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
97 struct acpi_gpe_block_info *gpe_block);
98
99acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
100
101acpi_status
102acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
103 struct acpi_gpe_block_info *gpe_block);
104
105acpi_status
106acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
107 acpi_event_status * event_status);
108
109acpi_status acpi_hw_disable_all_gpes(void);
110
111acpi_status acpi_hw_enable_all_runtime_gpes(void);
112
113acpi_status acpi_hw_enable_all_wakeup_gpes(void);
114
115acpi_status
116acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
117 struct acpi_gpe_block_info *gpe_block);
118
119#ifdef ACPI_FUTURE_USAGE
120/*
121 * hwtimer - ACPI Timer prototypes
122 */
123acpi_status acpi_get_timer_resolution(u32 * resolution);
124
125acpi_status acpi_get_timer(u32 * ticks);
126
127acpi_status
128acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed);
129#endif /* ACPI_FUTURE_USAGE */
130
131#endif /* __ACHWARE_H__ */