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1 | /****************************************************************************** |
2 | * | |
3 | * Name: achware.h -- hardware specific interfaces | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
75a44ce0 | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
1da177e4 LT |
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 | ||
1da177e4 | 47 | /* PM Timer ticks per second (HZ) */ |
44f6c012 | 48 | |
1da177e4 LT |
49 | #define PM_TIMER_FREQUENCY 3579545 |
50 | ||
44f6c012 | 51 | /* Values for the _SST reserved method */ |
1da177e4 | 52 | |
44f6c012 RM |
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 | |
1da177e4 | 58 | |
44f6c012 | 59 | /* Prototypes */ |
1da177e4 | 60 | |
44f6c012 RM |
61 | /* |
62 | * hwacpi - high level functions | |
63 | */ | |
4be44fcd | 64 | acpi_status acpi_hw_set_mode(u32 mode); |
1da177e4 | 65 | |
4be44fcd | 66 | u32 acpi_hw_get_mode(void); |
1da177e4 | 67 | |
44f6c012 RM |
68 | /* |
69 | * hwregs - ACPI Register I/O | |
70 | */ | |
4be44fcd | 71 | struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); |
1da177e4 LT |
72 | |
73 | acpi_status | |
d30dc9ab | 74 | acpi_hw_register_read(u32 register_id, u32 * return_value); |
1da177e4 | 75 | |
d30dc9ab | 76 | acpi_status acpi_hw_register_write(u32 register_id, u32 value); |
1da177e4 LT |
77 | |
78 | acpi_status | |
4be44fcd LB |
79 | acpi_hw_low_level_read(u32 width, |
80 | u32 * value, struct acpi_generic_address *reg); | |
1da177e4 LT |
81 | |
82 | acpi_status | |
4be44fcd | 83 | acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address *reg); |
1da177e4 | 84 | |
d8c71b6d | 85 | acpi_status acpi_hw_clear_acpi_status(void); |
1da177e4 | 86 | |
44f6c012 RM |
87 | /* |
88 | * hwgpe - GPE support | |
89 | */ | |
1da177e4 | 90 | acpi_status |
4be44fcd | 91 | acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info); |
1da177e4 LT |
92 | |
93 | acpi_status | |
4be44fcd LB |
94 | acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
95 | struct acpi_gpe_block_info *gpe_block); | |
1da177e4 | 96 | |
4be44fcd | 97 | acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); |
1da177e4 LT |
98 | |
99 | acpi_status | |
4be44fcd LB |
100 | acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
101 | struct acpi_gpe_block_info *gpe_block); | |
1da177e4 | 102 | |
44f6c012 | 103 | #ifdef ACPI_FUTURE_USAGE |
1da177e4 | 104 | acpi_status |
4be44fcd LB |
105 | acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, |
106 | acpi_event_status * event_status); | |
107 | #endif /* ACPI_FUTURE_USAGE */ | |
1da177e4 | 108 | |
4be44fcd | 109 | acpi_status acpi_hw_disable_all_gpes(void); |
1da177e4 | 110 | |
4be44fcd | 111 | acpi_status acpi_hw_enable_all_runtime_gpes(void); |
1da177e4 | 112 | |
4be44fcd | 113 | acpi_status acpi_hw_enable_all_wakeup_gpes(void); |
1da177e4 LT |
114 | |
115 | acpi_status | |
4be44fcd LB |
116 | acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
117 | struct acpi_gpe_block_info *gpe_block); | |
1da177e4 | 118 | |
44f6c012 RM |
119 | #ifdef ACPI_FUTURE_USAGE |
120 | /* | |
121 | * hwtimer - ACPI Timer prototypes | |
122 | */ | |
4be44fcd | 123 | acpi_status acpi_get_timer_resolution(u32 * resolution); |
1da177e4 | 124 | |
4be44fcd | 125 | acpi_status acpi_get_timer(u32 * ticks); |
1da177e4 LT |
126 | |
127 | acpi_status | |
4be44fcd LB |
128 | acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed); |
129 | #endif /* ACPI_FUTURE_USAGE */ | |
1da177e4 | 130 | |
4be44fcd | 131 | #endif /* __ACHWARE_H__ */ |