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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) */ | |
44f6c012 | 49 | |
1da177e4 LT |
50 | #define PM_TIMER_FREQUENCY 3579545 |
51 | ||
44f6c012 | 52 | /* Values for the _SST reserved method */ |
1da177e4 | 53 | |
44f6c012 RM |
54 | #define ACPI_SST_INDICATOR_OFF 0 |
55 | #define ACPI_SST_WORKING 1 | |
56 | #define ACPI_SST_WAKING 2 | |
57 | #define ACPI_SST_SLEEPING 3 | |
58 | #define ACPI_SST_SLEEP_CONTEXT 4 | |
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59 | |
60 | ||
44f6c012 | 61 | /* Prototypes */ |
1da177e4 | 62 | |
1da177e4 | 63 | |
44f6c012 RM |
64 | /* |
65 | * hwacpi - high level functions | |
66 | */ | |
1da177e4 | 67 | acpi_status |
44f6c012 | 68 | acpi_hw_initialize ( |
1da177e4 LT |
69 | void); |
70 | ||
71 | acpi_status | |
72 | acpi_hw_set_mode ( | |
73 | u32 mode); | |
74 | ||
75 | u32 | |
76 | acpi_hw_get_mode ( | |
77 | void); | |
78 | ||
1da177e4 | 79 | |
44f6c012 RM |
80 | /* |
81 | * hwregs - ACPI Register I/O | |
82 | */ | |
1da177e4 LT |
83 | struct acpi_bit_register_info * |
84 | acpi_hw_get_bit_register_info ( | |
85 | u32 register_id); | |
86 | ||
87 | acpi_status | |
88 | acpi_hw_register_read ( | |
89 | u8 use_lock, | |
90 | u32 register_id, | |
91 | u32 *return_value); | |
92 | ||
93 | acpi_status | |
94 | acpi_hw_register_write ( | |
95 | u8 use_lock, | |
96 | u32 register_id, | |
97 | u32 value); | |
98 | ||
99 | acpi_status | |
100 | acpi_hw_low_level_read ( | |
101 | u32 width, | |
102 | u32 *value, | |
103 | struct acpi_generic_address *reg); | |
104 | ||
105 | acpi_status | |
106 | acpi_hw_low_level_write ( | |
107 | u32 width, | |
108 | u32 value, | |
109 | struct acpi_generic_address *reg); | |
110 | ||
111 | acpi_status | |
112 | acpi_hw_clear_acpi_status ( | |
113 | u32 flags); | |
114 | ||
115 | ||
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116 | /* |
117 | * hwgpe - GPE support | |
118 | */ | |
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119 | acpi_status |
120 | acpi_hw_write_gpe_enable_reg ( | |
121 | struct acpi_gpe_event_info *gpe_event_info); | |
122 | ||
123 | acpi_status | |
124 | acpi_hw_disable_gpe_block ( | |
125 | struct acpi_gpe_xrupt_info *gpe_xrupt_info, | |
126 | struct acpi_gpe_block_info *gpe_block); | |
127 | ||
128 | acpi_status | |
129 | acpi_hw_clear_gpe ( | |
130 | struct acpi_gpe_event_info *gpe_event_info); | |
131 | ||
132 | acpi_status | |
133 | acpi_hw_clear_gpe_block ( | |
134 | struct acpi_gpe_xrupt_info *gpe_xrupt_info, | |
135 | struct acpi_gpe_block_info *gpe_block); | |
136 | ||
44f6c012 | 137 | #ifdef ACPI_FUTURE_USAGE |
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138 | acpi_status |
139 | acpi_hw_get_gpe_status ( | |
140 | struct acpi_gpe_event_info *gpe_event_info, | |
141 | acpi_event_status *event_status); | |
44f6c012 | 142 | #endif /* ACPI_FUTURE_USAGE */ |
1da177e4 LT |
143 | |
144 | acpi_status | |
145 | acpi_hw_disable_all_gpes ( | |
146 | u32 flags); | |
147 | ||
148 | acpi_status | |
149 | acpi_hw_enable_all_runtime_gpes ( | |
150 | u32 flags); | |
151 | ||
152 | acpi_status | |
153 | acpi_hw_enable_all_wakeup_gpes ( | |
154 | u32 flags); | |
155 | ||
156 | acpi_status | |
157 | acpi_hw_enable_runtime_gpe_block ( | |
158 | struct acpi_gpe_xrupt_info *gpe_xrupt_info, | |
159 | struct acpi_gpe_block_info *gpe_block); | |
160 | ||
1da177e4 | 161 | |
44f6c012 RM |
162 | #ifdef ACPI_FUTURE_USAGE |
163 | /* | |
164 | * hwtimer - ACPI Timer prototypes | |
165 | */ | |
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166 | acpi_status |
167 | acpi_get_timer_resolution ( | |
168 | u32 *resolution); | |
169 | ||
170 | acpi_status | |
171 | acpi_get_timer ( | |
172 | u32 *ticks); | |
173 | ||
174 | acpi_status | |
175 | acpi_get_timer_duration ( | |
176 | u32 start_ticks, | |
177 | u32 end_ticks, | |
178 | u32 *time_elapsed); | |
44f6c012 RM |
179 | #endif /* ACPI_FUTURE_USAGE */ |
180 | ||
1da177e4 LT |
181 | |
182 | #endif /* __ACHWARE_H__ */ |