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6588 | serge | 1 | /* |
2 | * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $) |
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3 | * |
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4 | * Copyright (C) 2001, 2002 Andy Grover |
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5 | * Copyright (C) 2001, 2002 Paul Diefenbaugh |
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6 | * |
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7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or (at |
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12 | * your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * General Public License for more details. |
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18 | * |
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19 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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20 | */ |
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21 | |||
22 | #ifndef __ACPI_BUS_H__ |
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23 | #define __ACPI_BUS_H__ |
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24 | |||
25 | #include |
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26 | #include |
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27 | |||
28 | /* TBD: Make dynamic */ |
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29 | #define ACPI_MAX_HANDLES 10 |
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30 | struct acpi_handle_list { |
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31 | u32 count; |
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32 | acpi_handle handles[ACPI_MAX_HANDLES]; |
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33 | }; |
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34 | |||
35 | /* acpi_utils.h */ |
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36 | acpi_status |
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37 | acpi_extract_package(union acpi_object *package, |
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38 | struct acpi_buffer *format, struct acpi_buffer *buffer); |
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39 | acpi_status |
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40 | acpi_evaluate_integer(acpi_handle handle, |
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41 | acpi_string pathname, |
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42 | struct acpi_object_list *arguments, unsigned long long *data); |
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43 | acpi_status |
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44 | acpi_evaluate_reference(acpi_handle handle, |
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45 | acpi_string pathname, |
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46 | struct acpi_object_list *arguments, |
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47 | struct acpi_handle_list *list); |
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48 | acpi_status |
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49 | acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code, |
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50 | struct acpi_buffer *status_buf); |
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51 | |||
52 | acpi_status |
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53 | acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); |
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54 | |||
55 | bool acpi_has_method(acpi_handle handle, char *name); |
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56 | acpi_status acpi_execute_simple_method(acpi_handle handle, char *method, |
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57 | u64 arg); |
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58 | acpi_status acpi_evaluate_ej0(acpi_handle handle); |
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59 | acpi_status acpi_evaluate_lck(acpi_handle handle, int lock); |
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60 | bool acpi_ata_match(acpi_handle handle); |
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61 | bool acpi_bay_match(acpi_handle handle); |
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62 | bool acpi_dock_match(acpi_handle handle); |
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63 | |||
64 | bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs); |
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65 | union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, |
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66 | int rev, int func, union acpi_object *argv4); |
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67 | |||
68 | static inline union acpi_object * |
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69 | acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, int rev, int func, |
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70 | union acpi_object *argv4, acpi_object_type type) |
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71 | { |
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72 | union acpi_object *obj; |
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73 | |||
74 | obj = acpi_evaluate_dsm(handle, uuid, rev, func, argv4); |
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75 | if (obj && obj->type != type) { |
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76 | ACPI_FREE(obj); |
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77 | obj = NULL; |
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78 | } |
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79 | |||
80 | return obj; |
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81 | } |
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82 | |||
83 | #define ACPI_INIT_DSM_ARGV4(cnt, eles) \ |
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84 | { \ |
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85 | .package.type = ACPI_TYPE_PACKAGE, \ |
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86 | .package.count = (cnt), \ |
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87 | .package.elements = (eles) \ |
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88 | } |
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89 | |||
7143 | serge | 90 | bool acpi_dev_present(const char *hid); |
91 | |||
6588 | serge | 92 | #ifdef CONFIG_ACPI |
93 | |||
94 | #define ACPI_BUS_FILE_ROOT "acpi" |
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95 | |||
96 | enum acpi_bus_device_type { |
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97 | ACPI_BUS_TYPE_DEVICE = 0, |
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98 | ACPI_BUS_TYPE_POWER, |
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99 | ACPI_BUS_TYPE_PROCESSOR, |
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100 | ACPI_BUS_TYPE_THERMAL, |
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101 | ACPI_BUS_TYPE_POWER_BUTTON, |
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102 | ACPI_BUS_TYPE_SLEEP_BUTTON, |
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103 | ACPI_BUS_DEVICE_TYPE_COUNT |
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104 | }; |
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105 | |||
106 | struct acpi_driver; |
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107 | struct acpi_device; |
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108 | |||
109 | /* |
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110 | * ACPI Scan Handler |
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111 | * ----------------- |
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112 | */ |
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113 | |||
114 | struct acpi_hotplug_profile { |
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115 | struct kobject kobj; |
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116 | int (*scan_dependent)(struct acpi_device *adev); |
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117 | void (*notify_online)(struct acpi_device *adev); |
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118 | bool enabled:1; |
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119 | bool demand_offline:1; |
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120 | }; |
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121 | |||
122 | static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile( |
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123 | struct kobject *kobj) |
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124 | { |
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125 | return container_of(kobj, struct acpi_hotplug_profile, kobj); |
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126 | } |
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127 | |||
128 | struct acpi_scan_handler { |
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129 | const struct acpi_device_id *ids; |
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130 | struct list_head list_node; |
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131 | bool (*match)(const char *idstr, const struct acpi_device_id **matchid); |
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132 | int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id); |
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133 | void (*detach)(struct acpi_device *dev); |
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134 | void (*bind)(struct device *phys_dev); |
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135 | void (*unbind)(struct device *phys_dev); |
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136 | struct acpi_hotplug_profile hotplug; |
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137 | }; |
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138 | |||
139 | /* |
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140 | * ACPI Hotplug Context |
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141 | * -------------------- |
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142 | */ |
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143 | |||
144 | struct acpi_hotplug_context { |
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145 | struct acpi_device *self; |
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146 | int (*notify)(struct acpi_device *, u32); |
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147 | void (*uevent)(struct acpi_device *, u32); |
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148 | void (*fixup)(struct acpi_device *); |
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149 | }; |
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150 | |||
151 | /* |
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152 | * ACPI Driver |
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153 | * ----------- |
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154 | */ |
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155 | |||
156 | typedef int (*acpi_op_add) (struct acpi_device * device); |
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157 | typedef int (*acpi_op_remove) (struct acpi_device * device); |
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158 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
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159 | |||
160 | struct acpi_device_ops { |
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161 | acpi_op_add add; |
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162 | acpi_op_remove remove; |
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163 | acpi_op_notify notify; |
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164 | }; |
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165 | |||
166 | #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ |
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167 | |||
168 | struct acpi_driver { |
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169 | char name[80]; |
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170 | char class[80]; |
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171 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
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172 | unsigned int flags; |
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173 | struct acpi_device_ops ops; |
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174 | struct device_driver drv; |
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175 | struct module *owner; |
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176 | }; |
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177 | |||
178 | /* |
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179 | * ACPI Device |
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180 | * ----------- |
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181 | */ |
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182 | |||
183 | /* Status (_STA) */ |
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184 | |||
185 | struct acpi_device_status { |
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186 | u32 present:1; |
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187 | u32 enabled:1; |
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188 | u32 show_in_ui:1; |
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189 | u32 functional:1; |
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190 | u32 battery_present:1; |
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191 | u32 reserved:27; |
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192 | }; |
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193 | |||
194 | /* Flags */ |
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195 | |||
196 | struct acpi_device_flags { |
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197 | u32 dynamic_status:1; |
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198 | u32 removable:1; |
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199 | u32 ejectable:1; |
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200 | u32 power_manageable:1; |
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201 | u32 match_driver:1; |
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202 | u32 initialized:1; |
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203 | u32 visited:1; |
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204 | u32 hotplug_notify:1; |
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205 | u32 is_dock_station:1; |
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206 | u32 of_compatible_ok:1; |
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207 | u32 coherent_dma:1; |
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208 | u32 cca_seen:1; |
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209 | u32 reserved:20; |
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210 | }; |
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211 | |||
212 | /* File System */ |
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213 | |||
214 | struct acpi_device_dir { |
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215 | struct proc_dir_entry *entry; |
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216 | }; |
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217 | |||
218 | #define acpi_device_dir(d) ((d)->dir.entry) |
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219 | |||
220 | /* Plug and Play */ |
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221 | |||
222 | typedef char acpi_bus_id[8]; |
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223 | typedef unsigned long acpi_bus_address; |
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224 | typedef char acpi_device_name[40]; |
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225 | typedef char acpi_device_class[20]; |
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226 | |||
227 | struct acpi_hardware_id { |
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228 | struct list_head list; |
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229 | const char *id; |
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230 | }; |
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231 | |||
232 | struct acpi_pnp_type { |
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233 | u32 hardware_id:1; |
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234 | u32 bus_address:1; |
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235 | u32 platform_id:1; |
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236 | u32 reserved:29; |
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237 | }; |
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238 | |||
239 | struct acpi_device_pnp { |
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240 | acpi_bus_id bus_id; /* Object name */ |
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241 | struct acpi_pnp_type type; /* ID type */ |
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242 | acpi_bus_address bus_address; /* _ADR */ |
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243 | char *unique_id; /* _UID */ |
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244 | struct list_head ids; /* _HID and _CIDs */ |
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245 | acpi_device_name device_name; /* Driver-determined */ |
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246 | acpi_device_class device_class; /* " */ |
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247 | union acpi_object *str_obj; /* unicode string for _STR method */ |
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248 | }; |
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249 | |||
250 | #define acpi_device_bid(d) ((d)->pnp.bus_id) |
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251 | #define acpi_device_adr(d) ((d)->pnp.bus_address) |
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252 | const char *acpi_device_hid(struct acpi_device *device); |
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253 | #define acpi_device_uid(d) ((d)->pnp.unique_id) |
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254 | #define acpi_device_name(d) ((d)->pnp.device_name) |
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255 | #define acpi_device_class(d) ((d)->pnp.device_class) |
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256 | |||
257 | /* Power Management */ |
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258 | |||
259 | struct acpi_device_power_flags { |
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260 | u32 explicit_get:1; /* _PSC present? */ |
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261 | u32 power_resources:1; /* Power resources */ |
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262 | u32 inrush_current:1; /* Serialize Dx->D0 */ |
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263 | u32 power_removed:1; /* Optimize Dx->D0 */ |
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264 | u32 ignore_parent:1; /* Power is independent of parent power state */ |
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265 | u32 dsw_present:1; /* _DSW present? */ |
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266 | u32 reserved:26; |
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267 | }; |
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268 | |||
269 | struct acpi_device_power_state { |
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270 | struct { |
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271 | u8 valid:1; |
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272 | u8 explicit_set:1; /* _PSx present? */ |
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273 | u8 reserved:6; |
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274 | } flags; |
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275 | int power; /* % Power (compared to D0) */ |
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276 | int latency; /* Dx->D0 time (microseconds) */ |
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277 | struct list_head resources; /* Power resources referenced */ |
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278 | }; |
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279 | |||
280 | struct acpi_device_power { |
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281 | int state; /* Current state */ |
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282 | struct acpi_device_power_flags flags; |
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283 | struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ |
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284 | }; |
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285 | |||
286 | /* Performance Management */ |
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287 | |||
288 | struct acpi_device_perf_flags { |
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289 | u8 reserved:8; |
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290 | }; |
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291 | |||
292 | struct acpi_device_perf_state { |
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293 | struct { |
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294 | u8 valid:1; |
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295 | u8 reserved:7; |
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296 | } flags; |
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297 | u8 power; /* % Power (compared to P0) */ |
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298 | u8 performance; /* % Performance ( " ) */ |
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299 | int latency; /* Px->P0 time (microseconds) */ |
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300 | }; |
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301 | |||
302 | struct acpi_device_perf { |
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303 | int state; |
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304 | struct acpi_device_perf_flags flags; |
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305 | int state_count; |
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306 | struct acpi_device_perf_state *states; |
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307 | }; |
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308 | |||
309 | /* Wakeup Management */ |
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310 | struct acpi_device_wakeup_flags { |
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311 | u8 valid:1; /* Can successfully enable wakeup? */ |
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312 | u8 run_wake:1; /* Run-Wake GPE devices */ |
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313 | u8 notifier_present:1; /* Wake-up notify handler has been installed */ |
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314 | u8 enabled:1; /* Enabled for wakeup */ |
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315 | }; |
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316 | |||
317 | struct acpi_device_wakeup_context { |
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318 | struct work_struct work; |
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319 | struct device *dev; |
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320 | }; |
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321 | |||
322 | struct acpi_device_wakeup { |
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323 | acpi_handle gpe_device; |
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324 | u64 gpe_number; |
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325 | u64 sleep_state; |
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326 | struct list_head resources; |
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327 | struct acpi_device_wakeup_flags flags; |
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328 | struct acpi_device_wakeup_context context; |
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329 | struct wakeup_source *ws; |
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330 | int prepare_count; |
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331 | }; |
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332 | |||
333 | struct acpi_device_physical_node { |
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334 | unsigned int node_id; |
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335 | struct list_head node; |
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336 | struct device *dev; |
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337 | bool put_online:1; |
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338 | }; |
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339 | |||
340 | /* ACPI Device Specific Data (_DSD) */ |
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341 | struct acpi_device_data { |
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342 | const union acpi_object *pointer; |
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343 | const union acpi_object *properties; |
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344 | const union acpi_object *of_compatible; |
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345 | struct list_head subnodes; |
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346 | }; |
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347 | |||
348 | struct acpi_gpio_mapping; |
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349 | |||
350 | /* Device */ |
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351 | struct acpi_device { |
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352 | int device_type; |
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353 | acpi_handle handle; /* no handle for fixed hardware */ |
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354 | struct fwnode_handle fwnode; |
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355 | struct acpi_device *parent; |
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356 | struct list_head children; |
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357 | struct list_head node; |
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358 | struct list_head wakeup_list; |
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359 | struct list_head del_list; |
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360 | struct acpi_device_status status; |
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361 | struct acpi_device_flags flags; |
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362 | struct acpi_device_pnp pnp; |
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363 | struct acpi_device_power power; |
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364 | struct acpi_device_wakeup wakeup; |
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365 | struct acpi_device_perf performance; |
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366 | struct acpi_device_dir dir; |
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367 | struct acpi_device_data data; |
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368 | struct acpi_scan_handler *handler; |
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369 | struct acpi_hotplug_context *hp; |
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370 | struct acpi_driver *driver; |
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371 | const struct acpi_gpio_mapping *driver_gpios; |
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372 | void *driver_data; |
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373 | struct device dev; |
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374 | unsigned int physical_node_count; |
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375 | unsigned int dep_unmet; |
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376 | struct list_head physical_node_list; |
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377 | struct mutex physical_node_lock; |
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378 | void (*remove)(struct acpi_device *); |
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379 | }; |
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380 | |||
381 | /* Non-device subnode */ |
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382 | struct acpi_data_node { |
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383 | const char *name; |
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384 | acpi_handle handle; |
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385 | struct fwnode_handle fwnode; |
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386 | struct acpi_device_data data; |
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387 | struct list_head sibling; |
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388 | struct kobject kobj; |
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389 | struct completion kobj_done; |
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390 | }; |
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391 | |||
392 | static inline bool is_acpi_node(struct fwnode_handle *fwnode) |
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393 | { |
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7143 | serge | 394 | return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI |
6588 | serge | 395 | || fwnode->type == FWNODE_ACPI_DATA); |
396 | } |
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397 | |||
398 | static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) |
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399 | { |
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7143 | serge | 400 | return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI; |
6588 | serge | 401 | } |
402 | |||
403 | static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) |
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404 | { |
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405 | return is_acpi_device_node(fwnode) ? |
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406 | container_of(fwnode, struct acpi_device, fwnode) : NULL; |
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407 | } |
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408 | |||
409 | static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) |
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410 | { |
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411 | return fwnode && fwnode->type == FWNODE_ACPI_DATA; |
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412 | } |
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413 | |||
414 | static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) |
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415 | { |
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416 | return is_acpi_data_node(fwnode) ? |
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417 | container_of(fwnode, struct acpi_data_node, fwnode) : NULL; |
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418 | } |
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419 | |||
420 | static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) |
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421 | { |
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422 | return &adev->fwnode; |
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423 | } |
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424 | |||
425 | static inline void *acpi_driver_data(struct acpi_device *d) |
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426 | { |
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427 | return d->driver_data; |
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428 | } |
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429 | |||
430 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
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431 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) |
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432 | |||
433 | static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta) |
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434 | { |
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435 | *((u32 *)&adev->status) = sta; |
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436 | } |
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437 | |||
438 | static inline void acpi_set_hp_context(struct acpi_device *adev, |
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439 | struct acpi_hotplug_context *hp) |
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440 | { |
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441 | hp->self = adev; |
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442 | adev->hp = hp; |
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443 | } |
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444 | |||
445 | void acpi_initialize_hp_context(struct acpi_device *adev, |
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446 | struct acpi_hotplug_context *hp, |
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447 | int (*notify)(struct acpi_device *, u32), |
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448 | void (*uevent)(struct acpi_device *, u32)); |
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449 | |||
450 | /* acpi_device.dev.bus == &acpi_bus_type */ |
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451 | extern struct bus_type acpi_bus_type; |
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452 | |||
453 | /* |
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454 | * Events |
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455 | * ------ |
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456 | */ |
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457 | |||
458 | struct acpi_bus_event { |
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459 | struct list_head node; |
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460 | acpi_device_class device_class; |
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461 | acpi_bus_id bus_id; |
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462 | u32 type; |
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463 | u32 data; |
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464 | }; |
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465 | |||
466 | extern struct kobject *acpi_kobj; |
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467 | extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); |
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468 | void acpi_bus_private_data_handler(acpi_handle, void *); |
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469 | int acpi_bus_get_private_data(acpi_handle, void **); |
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470 | int acpi_bus_attach_private_data(acpi_handle, void *); |
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471 | void acpi_bus_detach_private_data(acpi_handle); |
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472 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
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473 | |||
474 | /* |
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475 | * External Functions |
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476 | */ |
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477 | |||
478 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); |
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479 | struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle); |
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480 | void acpi_bus_put_acpi_device(struct acpi_device *adev); |
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481 | acpi_status acpi_bus_get_status_handle(acpi_handle handle, |
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482 | unsigned long long *sta); |
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483 | int acpi_bus_get_status(struct acpi_device *device); |
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484 | |||
485 | int acpi_bus_set_power(acpi_handle handle, int state); |
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486 | const char *acpi_power_state_string(int state); |
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487 | int acpi_device_get_power(struct acpi_device *device, int *state); |
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488 | int acpi_device_set_power(struct acpi_device *device, int state); |
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489 | int acpi_bus_init_power(struct acpi_device *device); |
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490 | int acpi_device_fix_up_power(struct acpi_device *device); |
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491 | int acpi_bus_update_power(acpi_handle handle, int *state_p); |
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492 | int acpi_device_update_power(struct acpi_device *device, int *state_p); |
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493 | bool acpi_bus_power_manageable(acpi_handle handle); |
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494 | |||
495 | #ifdef CONFIG_PM |
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496 | bool acpi_bus_can_wakeup(acpi_handle handle); |
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497 | #else |
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498 | static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; } |
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499 | #endif |
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500 | |||
501 | void acpi_scan_lock_acquire(void); |
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502 | void acpi_scan_lock_release(void); |
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503 | void acpi_lock_hp_context(void); |
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504 | void acpi_unlock_hp_context(void); |
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505 | int acpi_scan_add_handler(struct acpi_scan_handler *handler); |
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506 | int acpi_bus_register_driver(struct acpi_driver *driver); |
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507 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
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508 | int acpi_bus_scan(acpi_handle handle); |
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509 | void acpi_bus_trim(struct acpi_device *start); |
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510 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
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511 | int acpi_match_device_ids(struct acpi_device *device, |
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512 | const struct acpi_device_id *ids); |
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513 | int acpi_create_dir(struct acpi_device *); |
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514 | void acpi_remove_dir(struct acpi_device *); |
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515 | |||
516 | static inline bool acpi_device_enumerated(struct acpi_device *adev) |
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517 | { |
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518 | return adev && adev->flags.initialized && adev->flags.visited; |
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519 | } |
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520 | |||
521 | /** |
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522 | * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver |
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523 | * @__acpi_driver: acpi_driver struct |
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524 | * |
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525 | * Helper macro for ACPI drivers which do not do anything special in module |
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526 | * init/exit. This eliminates a lot of boilerplate. Each module may only |
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527 | * use this macro once, and calling it replaces module_init() and module_exit() |
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528 | */ |
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529 | #define module_acpi_driver(__acpi_driver) \ |
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530 | module_driver(__acpi_driver, acpi_bus_register_driver, \ |
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531 | acpi_bus_unregister_driver) |
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532 | |||
533 | /* |
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534 | * Bind physical devices with ACPI devices |
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535 | */ |
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536 | struct acpi_bus_type { |
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537 | struct list_head list; |
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538 | const char *name; |
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539 | bool (*match)(struct device *dev); |
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540 | struct acpi_device * (*find_companion)(struct device *); |
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541 | void (*setup)(struct device *); |
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542 | void (*cleanup)(struct device *); |
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543 | }; |
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544 | int register_acpi_bus_type(struct acpi_bus_type *); |
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545 | int unregister_acpi_bus_type(struct acpi_bus_type *); |
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546 | int acpi_bind_one(struct device *dev, struct acpi_device *adev); |
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547 | int acpi_unbind_one(struct device *dev); |
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548 | |||
549 | struct acpi_pci_root { |
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550 | struct acpi_device * device; |
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551 | struct pci_bus *bus; |
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552 | u16 segment; |
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553 | struct resource secondary; /* downstream bus range */ |
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554 | |||
555 | u32 osc_support_set; /* _OSC state of support bits */ |
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556 | u32 osc_control_set; /* _OSC state of control bits */ |
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557 | phys_addr_t mcfg_addr; |
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558 | }; |
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559 | |||
560 | /* helper */ |
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561 | |||
562 | bool acpi_dma_supported(struct acpi_device *adev); |
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563 | enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev); |
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564 | |||
565 | struct acpi_device *acpi_find_child_device(struct acpi_device *parent, |
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566 | u64 address, bool check_children); |
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567 | int acpi_is_root_bridge(acpi_handle); |
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568 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
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569 | |||
570 | int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); |
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571 | int acpi_disable_wakeup_device_power(struct acpi_device *dev); |
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572 | |||
573 | #ifdef CONFIG_PM |
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574 | acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev, |
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575 | void (*work_func)(struct work_struct *work)); |
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576 | acpi_status acpi_remove_pm_notifier(struct acpi_device *adev); |
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577 | int acpi_pm_device_sleep_state(struct device *, int *, int); |
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578 | int acpi_pm_device_run_wake(struct device *, bool); |
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579 | #else |
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580 | static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
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581 | struct device *dev, |
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582 | void (*work_func)(struct work_struct *work)) |
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583 | { |
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584 | return AE_SUPPORT; |
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585 | } |
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586 | static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev) |
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587 | { |
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588 | return AE_SUPPORT; |
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589 | } |
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590 | static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) |
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591 | { |
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592 | if (p) |
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593 | *p = ACPI_STATE_D0; |
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594 | |||
595 | return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ? |
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596 | m : ACPI_STATE_D0; |
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597 | } |
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598 | static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) |
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599 | { |
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600 | return -ENODEV; |
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601 | } |
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602 | #endif |
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603 | |||
604 | #ifdef CONFIG_PM_SLEEP |
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605 | int acpi_pm_device_sleep_wake(struct device *, bool); |
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606 | #else |
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607 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
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608 | { |
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609 | return -ENODEV; |
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610 | } |
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611 | #endif |
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612 | |||
613 | #ifdef CONFIG_ACPI_SLEEP |
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614 | u32 acpi_target_system_state(void); |
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615 | #else |
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616 | static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; } |
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617 | #endif |
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618 | |||
619 | static inline bool acpi_device_power_manageable(struct acpi_device *adev) |
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620 | { |
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621 | return adev->flags.power_manageable; |
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622 | } |
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623 | |||
624 | static inline bool acpi_device_can_wakeup(struct acpi_device *adev) |
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625 | { |
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626 | return adev->wakeup.flags.valid; |
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627 | } |
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628 | |||
629 | static inline bool acpi_device_can_poweroff(struct acpi_device *adev) |
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630 | { |
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7143 | serge | 631 | return adev->power.states[ACPI_STATE_D3_COLD].flags.valid || |
632 | ((acpi_gbl_FADT.header.revision < 6) && |
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633 | adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set); |
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6588 | serge | 634 | } |
635 | |||
636 | #else /* CONFIG_ACPI */ |
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637 | |||
638 | static inline int register_acpi_bus_type(void *bus) { return 0; } |
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639 | static inline int unregister_acpi_bus_type(void *bus) { return 0; } |
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640 | |||
641 | #endif /* CONFIG_ACPI */ |
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642 | |||
643 | #endif /*__ACPI_BUS_H__*/>=> |