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1/******************************************************************************
2 *
3 * Name: achware.h -- hardware specific interfaces
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
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
48/* PM Timer ticks per second (HZ) */
49#define PM_TIMER_FREQUENCY 3579545
50
51
52/* Prototypes */
53
54
55acpi_status
56acpi_hw_initialize (
57 void);
58
59acpi_status
60acpi_hw_shutdown (
61 void);
62
63acpi_status
64acpi_hw_initialize_system_info (
65 void);
66
67acpi_status
68acpi_hw_set_mode (
69 u32 mode);
70
71u32
72acpi_hw_get_mode (
73 void);
74
75u32
76acpi_hw_get_mode_capabilities (
77 void);
78
79/* Register I/O Prototypes */
80
81struct acpi_bit_register_info *
82acpi_hw_get_bit_register_info (
83 u32 register_id);
84
85acpi_status
86acpi_hw_register_read (
87 u8 use_lock,
88 u32 register_id,
89 u32 *return_value);
90
91acpi_status
92acpi_hw_register_write (
93 u8 use_lock,
94 u32 register_id,
95 u32 value);
96
97acpi_status
98acpi_hw_low_level_read (
99 u32 width,
100 u32 *value,
101 struct acpi_generic_address *reg);
102
103acpi_status
104acpi_hw_low_level_write (
105 u32 width,
106 u32 value,
107 struct acpi_generic_address *reg);
108
109acpi_status
110acpi_hw_clear_acpi_status (
111 u32 flags);
112
113
114/* GPE support */
115
116acpi_status
117acpi_hw_write_gpe_enable_reg (
118 struct acpi_gpe_event_info *gpe_event_info);
119
120acpi_status
121acpi_hw_disable_gpe_block (
122 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
123 struct acpi_gpe_block_info *gpe_block);
124
125acpi_status
126acpi_hw_clear_gpe (
127 struct acpi_gpe_event_info *gpe_event_info);
128
129acpi_status
130acpi_hw_clear_gpe_block (
131 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
132 struct acpi_gpe_block_info *gpe_block);
133
134#ifdef ACPI_FUTURE_USAGE
135acpi_status
136acpi_hw_get_gpe_status (
137 struct acpi_gpe_event_info *gpe_event_info,
138 acpi_event_status *event_status);
139#endif
140
141acpi_status
142acpi_hw_disable_all_gpes (
143 u32 flags);
144
145acpi_status
146acpi_hw_enable_all_runtime_gpes (
147 u32 flags);
148
149acpi_status
150acpi_hw_enable_all_wakeup_gpes (
151 u32 flags);
152
153acpi_status
154acpi_hw_enable_runtime_gpe_block (
155 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
156 struct acpi_gpe_block_info *gpe_block);
157
158acpi_status
159acpi_hw_enable_wakeup_gpe_block (
160 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
161 struct acpi_gpe_block_info *gpe_block);
162
163
164/* ACPI Timer prototypes */
165
166#ifdef ACPI_FUTURE_USAGE
167acpi_status
168acpi_get_timer_resolution (
169 u32 *resolution);
170
171acpi_status
172acpi_get_timer (
173 u32 *ticks);
174
175acpi_status
176acpi_get_timer_duration (
177 u32 start_ticks,
178 u32 end_ticks,
179 u32 *time_elapsed);
180#endif /* ACPI_FUTURE_USAGE */
181
182#endif /* __ACHWARE_H__ */