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6595 | serge | 1 | /* |
2 | * acpi/internal.h |
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3 | * For use by Linux/ACPI infrastructure, not drivers |
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4 | * |
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5 | * Copyright (c) 2009, Intel Corporation. |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or modify it |
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8 | * under the terms and conditions of the GNU General Public License, |
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9 | * version 2, as published by the Free Software Foundation. |
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10 | * |
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11 | * This program is distributed in the hope it will be useful, but WITHOUT |
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12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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14 | * more details. |
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15 | * |
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16 | */ |
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17 | |||
18 | #ifndef _ACPI_INTERNAL_H_ |
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19 | #define _ACPI_INTERNAL_H_ |
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20 | |||
21 | #define PREFIX "ACPI: " |
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22 | |||
23 | acpi_status acpi_os_initialize1(void); |
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24 | void init_acpi_device_notify(void); |
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25 | int acpi_scan_init(void); |
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26 | void acpi_pci_root_init(void); |
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27 | void acpi_pci_link_init(void); |
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28 | void acpi_processor_init(void); |
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29 | void acpi_platform_init(void); |
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30 | void acpi_pnp_init(void); |
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31 | void acpi_int340x_thermal_init(void); |
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32 | int acpi_sysfs_init(void); |
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33 | void acpi_container_init(void); |
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34 | void acpi_memory_hotplug_init(void); |
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35 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
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36 | int acpi_ioapic_add(struct acpi_pci_root *root); |
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37 | int acpi_ioapic_remove(struct acpi_pci_root *root); |
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38 | #else |
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39 | static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; } |
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40 | static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } |
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41 | #endif |
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42 | #ifdef CONFIG_ACPI_DOCK |
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43 | void register_dock_dependent_device(struct acpi_device *adev, |
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44 | acpi_handle dshandle); |
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45 | int dock_notify(struct acpi_device *adev, u32 event); |
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46 | void acpi_dock_add(struct acpi_device *adev); |
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47 | #else |
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48 | static inline void register_dock_dependent_device(struct acpi_device *adev, |
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49 | acpi_handle dshandle) {} |
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50 | static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } |
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51 | static inline void acpi_dock_add(struct acpi_device *adev) {} |
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52 | #endif |
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53 | #ifdef CONFIG_X86 |
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54 | void acpi_cmos_rtc_init(void); |
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55 | #else |
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56 | static inline void acpi_cmos_rtc_init(void) {} |
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57 | #endif |
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58 | int acpi_rev_override_setup(char *str); |
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59 | |||
60 | extern bool acpi_force_hot_remove; |
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61 | |||
62 | void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, |
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63 | const char *name); |
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64 | int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, |
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65 | const char *hotplug_profile_name); |
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66 | void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); |
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67 | |||
68 | #ifdef CONFIG_DEBUG_FS |
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69 | extern struct dentry *acpi_debugfs_dir; |
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70 | void acpi_debugfs_init(void); |
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71 | #else |
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72 | static inline void acpi_debugfs_init(void) { return; } |
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73 | #endif |
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74 | void acpi_lpss_init(void); |
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75 | |||
76 | void acpi_apd_init(void); |
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77 | |||
78 | acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); |
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79 | bool acpi_queue_hotplug_work(struct work_struct *work); |
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80 | void acpi_device_hotplug(struct acpi_device *adev, u32 src); |
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81 | bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); |
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82 | |||
83 | /* -------------------------------------------------------------------------- |
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84 | Device Node Initialization / Removal |
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85 | -------------------------------------------------------------------------- */ |
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86 | #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ |
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87 | ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) |
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88 | |||
89 | int acpi_device_add(struct acpi_device *device, |
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90 | void (*release)(struct device *)); |
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91 | void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, |
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92 | int type, unsigned long long sta); |
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93 | int acpi_device_setup_files(struct acpi_device *dev); |
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94 | void acpi_device_remove_files(struct acpi_device *dev); |
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95 | void acpi_device_add_finalize(struct acpi_device *device); |
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96 | void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); |
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97 | bool acpi_device_is_present(struct acpi_device *adev); |
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98 | bool acpi_device_is_battery(struct acpi_device *adev); |
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99 | bool acpi_device_is_first_physical_node(struct acpi_device *adev, |
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100 | const struct device *dev); |
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101 | |||
102 | /* -------------------------------------------------------------------------- |
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103 | Device Matching and Notification |
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104 | -------------------------------------------------------------------------- */ |
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105 | struct acpi_device *acpi_companion_match(const struct device *dev); |
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106 | int __acpi_device_uevent_modalias(struct acpi_device *adev, |
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107 | struct kobj_uevent_env *env); |
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108 | |||
109 | /* -------------------------------------------------------------------------- |
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110 | Power Resource |
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111 | -------------------------------------------------------------------------- */ |
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112 | int acpi_power_init(void); |
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113 | void acpi_power_resources_list_free(struct list_head *list); |
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114 | int acpi_extract_power_resources(union acpi_object *package, unsigned int start, |
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115 | struct list_head *list); |
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116 | int acpi_add_power_resource(acpi_handle handle); |
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117 | void acpi_power_add_remove_device(struct acpi_device *adev, bool add); |
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118 | int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); |
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119 | int acpi_device_sleep_wake(struct acpi_device *dev, |
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120 | int enable, int sleep_state, int dev_state); |
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121 | int acpi_power_get_inferred_state(struct acpi_device *device, int *state); |
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122 | int acpi_power_on_resources(struct acpi_device *device, int state); |
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123 | int acpi_power_transition(struct acpi_device *device, int state); |
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124 | |||
125 | int acpi_wakeup_device_init(void); |
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126 | |||
127 | #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC |
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128 | void acpi_early_processor_set_pdc(void); |
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129 | #else |
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130 | static inline void acpi_early_processor_set_pdc(void) {} |
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131 | #endif |
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132 | |||
133 | #ifdef CONFIG_X86 |
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134 | void acpi_early_processor_osc(void); |
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135 | #else |
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136 | static inline void acpi_early_processor_osc(void) {} |
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137 | #endif |
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138 | |||
139 | /* -------------------------------------------------------------------------- |
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140 | Embedded Controller |
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141 | -------------------------------------------------------------------------- */ |
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142 | struct acpi_ec { |
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143 | acpi_handle handle; |
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144 | unsigned long gpe; |
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145 | unsigned long command_addr; |
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146 | unsigned long data_addr; |
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147 | bool global_lock; |
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148 | unsigned long flags; |
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149 | unsigned long reference_count; |
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150 | struct mutex mutex; |
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151 | wait_queue_head_t wait; |
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152 | struct list_head list; |
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153 | struct transaction *curr; |
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154 | spinlock_t lock; |
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155 | struct work_struct work; |
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156 | unsigned long timestamp; |
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157 | unsigned long nr_pending_queries; |
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158 | }; |
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159 | |||
160 | extern struct acpi_ec *first_ec; |
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161 | |||
162 | /* If we find an EC via the ECDT, we need to keep a ptr to its context */ |
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163 | /* External interfaces use first EC only, so remember */ |
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164 | typedef int (*acpi_ec_query_func) (void *data); |
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165 | |||
166 | int acpi_ec_init(void); |
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167 | int acpi_ec_ecdt_probe(void); |
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168 | int acpi_boot_ec_enable(void); |
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169 | void acpi_ec_block_transactions(void); |
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170 | void acpi_ec_unblock_transactions(void); |
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171 | void acpi_ec_unblock_transactions_early(void); |
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172 | int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, |
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173 | acpi_handle handle, acpi_ec_query_func func, |
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174 | void *data); |
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175 | void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); |
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176 | |||
177 | |||
178 | /*-------------------------------------------------------------------------- |
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179 | Suspend/Resume |
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180 | -------------------------------------------------------------------------- */ |
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181 | #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT |
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182 | extern int acpi_sleep_init(void); |
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183 | #else |
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184 | static inline int acpi_sleep_init(void) { return -ENXIO; } |
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185 | #endif |
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186 | |||
187 | #ifdef CONFIG_ACPI_SLEEP |
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188 | void acpi_sleep_proc_init(void); |
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189 | int suspend_nvs_alloc(void); |
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190 | void suspend_nvs_free(void); |
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191 | int suspend_nvs_save(void); |
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192 | void suspend_nvs_restore(void); |
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193 | #else |
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194 | static inline void acpi_sleep_proc_init(void) {} |
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195 | static inline int suspend_nvs_alloc(void) { return 0; } |
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196 | static inline void suspend_nvs_free(void) {} |
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197 | static inline int suspend_nvs_save(void) { return 0; } |
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198 | static inline void suspend_nvs_restore(void) {} |
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199 | #endif |
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200 | |||
201 | /*-------------------------------------------------------------------------- |
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202 | Device properties |
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203 | -------------------------------------------------------------------------- */ |
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204 | #define ACPI_DT_NAMESPACE_HID "PRP0001" |
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205 | |||
206 | void acpi_init_properties(struct acpi_device *adev); |
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207 | void acpi_free_properties(struct acpi_device *adev); |
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208 | |||
209 | #endif /* _ACPI_INTERNAL_H_ */ |