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1 /****************************************************************************** |
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2 * |
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3 * Name: achware.h -- hardware specific interfaces |
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4 * |
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5 *****************************************************************************/ |
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6 |
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7 /* |
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8 * Copyright (C) 2000 - 2008, Intel Corp. |
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9 * All rights reserved. |
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10 * |
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11 * Redistribution and use in source and binary forms, with or without |
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12 * modification, are permitted provided that the following conditions |
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13 * are met: |
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14 * 1. Redistributions of source code must retain the above copyright |
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15 * notice, this list of conditions, and the following disclaimer, |
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16 * without modification. |
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17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
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18 * substantially similar to the "NO WARRANTY" disclaimer below |
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19 * ("Disclaimer") and any redistribution must be conditioned upon |
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20 * including a substantially similar Disclaimer requirement for further |
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21 * binary redistribution. |
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22 * 3. Neither the names of the above-listed copyright holders nor the names |
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23 * of any contributors may be used to endorse or promote products derived |
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24 * from this software without specific prior written permission. |
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25 * |
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26 * Alternatively, this software may be distributed under the terms of the |
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27 * GNU General Public License ("GPL") version 2 as published by the Free |
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28 * Software Foundation. |
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29 * |
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30 * NO WARRANTY |
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31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
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34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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41 * POSSIBILITY OF SUCH DAMAGES. |
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42 */ |
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43 |
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44 #ifndef __ACHWARE_H__ |
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45 #define __ACHWARE_H__ |
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46 |
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47 /* PM Timer ticks per second (HZ) */ |
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48 |
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49 #define PM_TIMER_FREQUENCY 3579545 |
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50 |
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51 /* Values for the _SST reserved method */ |
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52 |
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53 #define ACPI_SST_INDICATOR_OFF 0 |
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54 #define ACPI_SST_WORKING 1 |
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55 #define ACPI_SST_WAKING 2 |
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56 #define ACPI_SST_SLEEPING 3 |
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57 #define ACPI_SST_SLEEP_CONTEXT 4 |
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58 |
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59 /* Prototypes */ |
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60 |
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61 /* |
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62 * hwacpi - high level functions |
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63 */ |
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64 acpi_status acpi_hw_set_mode(u32 mode); |
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65 |
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66 u32 acpi_hw_get_mode(void); |
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67 |
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68 /* |
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69 * hwregs - ACPI Register I/O |
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70 */ |
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71 struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); |
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72 |
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73 acpi_status |
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74 acpi_hw_register_read(u32 register_id, u32 * return_value); |
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75 |
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76 acpi_status acpi_hw_register_write(u32 register_id, u32 value); |
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77 |
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78 acpi_status |
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79 acpi_hw_low_level_read(u32 width, |
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80 u32 * value, struct acpi_generic_address *reg); |
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81 |
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82 acpi_status |
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83 acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address *reg); |
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84 |
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85 acpi_status acpi_hw_clear_acpi_status(void); |
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86 |
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87 /* |
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88 * hwgpe - GPE support |
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89 */ |
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90 acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info); |
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91 |
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92 acpi_status |
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93 acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info); |
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94 |
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95 acpi_status |
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96 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
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97 struct acpi_gpe_block_info *gpe_block); |
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98 |
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99 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); |
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100 |
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101 acpi_status |
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102 acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
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103 struct acpi_gpe_block_info *gpe_block); |
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104 |
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105 acpi_status |
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106 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, |
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107 acpi_event_status * event_status); |
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108 |
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109 acpi_status acpi_hw_disable_all_gpes(void); |
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110 |
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111 acpi_status acpi_hw_enable_all_runtime_gpes(void); |
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112 |
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113 acpi_status acpi_hw_enable_all_wakeup_gpes(void); |
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114 |
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115 acpi_status |
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116 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
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117 struct acpi_gpe_block_info *gpe_block); |
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118 |
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119 #ifdef ACPI_FUTURE_USAGE |
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120 /* |
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121 * hwtimer - ACPI Timer prototypes |
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122 */ |
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123 acpi_status acpi_get_timer_resolution(u32 * resolution); |
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124 |
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125 acpi_status acpi_get_timer(u32 * ticks); |
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126 |
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127 acpi_status |
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128 acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed); |
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129 #endif /* ACPI_FUTURE_USAGE */ |
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130 |
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131 #endif /* __ACHWARE_H__ */ |