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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 | ||
55 | acpi_status | |
56 | acpi_hw_initialize ( | |
57 | void); | |
58 | ||
59 | acpi_status | |
60 | acpi_hw_shutdown ( | |
61 | void); | |
62 | ||
63 | acpi_status | |
64 | acpi_hw_initialize_system_info ( | |
65 | void); | |
66 | ||
67 | acpi_status | |
68 | acpi_hw_set_mode ( | |
69 | u32 mode); | |
70 | ||
71 | u32 | |
72 | acpi_hw_get_mode ( | |
73 | void); | |
74 | ||
75 | u32 | |
76 | acpi_hw_get_mode_capabilities ( | |
77 | void); | |
78 | ||
79 | /* Register I/O Prototypes */ | |
80 | ||
81 | struct acpi_bit_register_info * | |
82 | acpi_hw_get_bit_register_info ( | |
83 | u32 register_id); | |
84 | ||
85 | acpi_status | |
86 | acpi_hw_register_read ( | |
87 | u8 use_lock, | |
88 | u32 register_id, | |
89 | u32 *return_value); | |
90 | ||
91 | acpi_status | |
92 | acpi_hw_register_write ( | |
93 | u8 use_lock, | |
94 | u32 register_id, | |
95 | u32 value); | |
96 | ||
97 | acpi_status | |
98 | acpi_hw_low_level_read ( | |
99 | u32 width, | |
100 | u32 *value, | |
101 | struct acpi_generic_address *reg); | |
102 | ||
103 | acpi_status | |
104 | acpi_hw_low_level_write ( | |
105 | u32 width, | |
106 | u32 value, | |
107 | struct acpi_generic_address *reg); | |
108 | ||
109 | acpi_status | |
110 | acpi_hw_clear_acpi_status ( | |
111 | u32 flags); | |
112 | ||
113 | ||
114 | /* GPE support */ | |
115 | ||
116 | acpi_status | |
117 | acpi_hw_write_gpe_enable_reg ( | |
118 | struct acpi_gpe_event_info *gpe_event_info); | |
119 | ||
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); | |
124 | ||
125 | acpi_status | |
126 | acpi_hw_clear_gpe ( | |
127 | struct acpi_gpe_event_info *gpe_event_info); | |
128 | ||
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); | |
133 | ||
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 | |
140 | ||
141 | acpi_status | |
142 | acpi_hw_disable_all_gpes ( | |
143 | u32 flags); | |
144 | ||
145 | acpi_status | |
146 | acpi_hw_enable_all_runtime_gpes ( | |
147 | u32 flags); | |
148 | ||
149 | acpi_status | |
150 | acpi_hw_enable_all_wakeup_gpes ( | |
151 | u32 flags); | |
152 | ||
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); | |
157 | ||
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); | |
162 | ||
163 | ||
164 | /* ACPI Timer prototypes */ | |
165 | ||
166 | #ifdef ACPI_FUTURE_USAGE | |
167 | acpi_status | |
168 | acpi_get_timer_resolution ( | |
169 | u32 *resolution); | |
170 | ||
171 | acpi_status | |
172 | acpi_get_timer ( | |
173 | u32 *ticks); | |
174 | ||
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 */ | |
181 | ||
182 | #endif /* __ACHWARE_H__ */ |