ia64/xen-unstable

view xen/include/acpi/achware.h @ 9372:fcef620a859c

'permitted_clock_jitter' units are nanoseconds not microseconds.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Tue Mar 21 15:10:26 2006 +0100 (2006-03-21)
parents ddd290cc8f0d
children 13cba2e78a65
line source
1 /******************************************************************************
2 *
3 * Name: achware.h -- hardware specific interfaces
4 *
5 *****************************************************************************/
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 */
44 #ifndef __ACHWARE_H__
45 #define __ACHWARE_H__
48 /* PM Timer ticks per second (HZ) */
49 #define PM_TIMER_FREQUENCY 3579545
52 /* Prototypes */
55 acpi_status
56 acpi_hw_initialize (
57 void);
59 acpi_status
60 acpi_hw_shutdown (
61 void);
63 acpi_status
64 acpi_hw_initialize_system_info (
65 void);
67 acpi_status
68 acpi_hw_set_mode (
69 u32 mode);
71 u32
72 acpi_hw_get_mode (
73 void);
75 u32
76 acpi_hw_get_mode_capabilities (
77 void);
79 /* Register I/O Prototypes */
81 struct acpi_bit_register_info *
82 acpi_hw_get_bit_register_info (
83 u32 register_id);
85 acpi_status
86 acpi_hw_register_read (
87 u8 use_lock,
88 u32 register_id,
89 u32 *return_value);
91 acpi_status
92 acpi_hw_register_write (
93 u8 use_lock,
94 u32 register_id,
95 u32 value);
97 acpi_status
98 acpi_hw_low_level_read (
99 u32 width,
100 u32 *value,
101 struct acpi_generic_address *reg);
103 acpi_status
104 acpi_hw_low_level_write (
105 u32 width,
106 u32 value,
107 struct acpi_generic_address *reg);
109 acpi_status
110 acpi_hw_clear_acpi_status (
111 u32 flags);
114 /* GPE support */
116 acpi_status
117 acpi_hw_write_gpe_enable_reg (
118 struct acpi_gpe_event_info *gpe_event_info);
120 acpi_status
121 acpi_hw_disable_gpe_block (
122 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
123 struct acpi_gpe_block_info *gpe_block);
125 acpi_status
126 acpi_hw_clear_gpe (
127 struct acpi_gpe_event_info *gpe_event_info);
129 acpi_status
130 acpi_hw_clear_gpe_block (
131 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
132 struct acpi_gpe_block_info *gpe_block);
134 #ifdef ACPI_FUTURE_USAGE
135 acpi_status
136 acpi_hw_get_gpe_status (
137 struct acpi_gpe_event_info *gpe_event_info,
138 acpi_event_status *event_status);
139 #endif
141 acpi_status
142 acpi_hw_disable_all_gpes (
143 u32 flags);
145 acpi_status
146 acpi_hw_enable_all_runtime_gpes (
147 u32 flags);
149 acpi_status
150 acpi_hw_enable_all_wakeup_gpes (
151 u32 flags);
153 acpi_status
154 acpi_hw_enable_runtime_gpe_block (
155 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
156 struct acpi_gpe_block_info *gpe_block);
158 acpi_status
159 acpi_hw_enable_wakeup_gpe_block (
160 struct acpi_gpe_xrupt_info *gpe_xrupt_info,
161 struct acpi_gpe_block_info *gpe_block);
164 /* ACPI Timer prototypes */
166 #ifdef ACPI_FUTURE_USAGE
167 acpi_status
168 acpi_get_timer_resolution (
169 u32 *resolution);
171 acpi_status
172 acpi_get_timer (
173 u32 *ticks);
175 acpi_status
176 acpi_get_timer_duration (
177 u32 start_ticks,
178 u32 end_ticks,
179 u32 *time_elapsed);
180 #endif /* ACPI_FUTURE_USAGE */
182 #endif /* __ACHWARE_H__ */