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   1 /******************************************************************************
   2  *
   3  * Name: acevents.h - Event subcomponent prototypes and defines
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2007, 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 __ACEVENTS_H__
  45 #define __ACEVENTS_H__
  46
  47 /*
  48  * evevent
  49  */
  50 acpi_status acpi_ev_initialize_events(void);
  51
  52 acpi_status acpi_ev_install_xrupt_handlers(void);
  53
  54 acpi_status acpi_ev_install_fadt_gpes(void);
  55
  56 u32 acpi_ev_fixed_event_detect(void);
  57
  58 /*
  59  * evmisc
  60  */
  61 u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);
  62
  63 acpi_status acpi_ev_acquire_global_lock(u16 timeout);
  64
  65 acpi_status acpi_ev_release_global_lock(void);
  66
  67 acpi_status acpi_ev_init_global_lock_handler(void);
  68
  69 u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
  70
  71 acpi_status
  72 acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
  73                              u32 notify_value);
  74
  75 /*
  76  * evgpe - GPE handling and dispatch
  77  */
  78 acpi_status
  79 acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
  80                                 u8 type);
  81
  82 acpi_status
  83 acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
  84                    u8 write_to_hardware);
  85
  86 acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
  87
  88 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
  89                                                        u32 gpe_number);
  90
  91 /*
  92  * evgpeblk
  93  */
  94 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
  95
  96 acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback);
  97
  98 acpi_status
  99 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 100                             struct acpi_gpe_block_info *gpe_block);
 101
 102 acpi_status
 103 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
 104                          struct acpi_generic_address *gpe_block_address,
 105                          u32 register_count,
 106                          u8 gpe_block_base_number,
 107                          u32 interrupt_number,
 108                          struct acpi_gpe_block_info **return_gpe_block);
 109
 110 acpi_status
 111 acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
 112                              struct acpi_gpe_block_info *gpe_block);
 113
 114 acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block);
 115
 116 u32
 117 acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info,
 118                      u32 gpe_number);
 119
 120 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
 121
 122 acpi_status
 123 acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type);
 124
 125 acpi_status
 126 acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info);
 127
 128 acpi_status acpi_ev_gpe_initialize(void);
 129
 130 /*
 131  * evregion - Address Space handling
 132  */
 133 acpi_status acpi_ev_install_region_handlers(void);
 134
 135 acpi_status acpi_ev_initialize_op_regions(void);
 136
 137 acpi_status
 138 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 139                                u32 function,
 140                                acpi_physical_address address,
 141                                u32 bit_width, acpi_integer * value);
 142
 143 acpi_status
 144 acpi_ev_attach_region(union acpi_operand_object *handler_obj,
 145                       union acpi_operand_object *region_obj,
 146                       u8 acpi_ns_is_locked);
 147
 148 void
 149 acpi_ev_detach_region(union acpi_operand_object *region_obj,
 150                       u8 acpi_ns_is_locked);
 151
 152 acpi_status
 153 acpi_ev_install_space_handler(struct acpi_namespace_node *node,
 154                               acpi_adr_space_type space_id,
 155                               acpi_adr_space_handler handler,
 156                               acpi_adr_space_setup setup, void *context);
 157
 158 acpi_status
 159 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
 160                             acpi_adr_space_type space_id);
 161
 162 acpi_status
 163 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
 164
 165 /*
 166  * evregini - Region initialization and setup
 167  */
 168 acpi_status
 169 acpi_ev_system_memory_region_setup(acpi_handle handle,
 170                                    u32 function,
 171                                    void *handler_context,
 172                                    void **region_context);
 173
 174 acpi_status
 175 acpi_ev_io_space_region_setup(acpi_handle handle,
 176                               u32 function,
 177                               void *handler_context, void **region_context);
 178
 179 acpi_status
 180 acpi_ev_pci_config_region_setup(acpi_handle handle,
 181                                 u32 function,
 182                                 void *handler_context, void **region_context);
 183
 184 acpi_status
 185 acpi_ev_cmos_region_setup(acpi_handle handle,
 186                           u32 function,
 187                           void *handler_context, void **region_context);
 188
 189 acpi_status
 190 acpi_ev_pci_bar_region_setup(acpi_handle handle,
 191                              u32 function,
 192                              void *handler_context, void **region_context);
 193
 194 acpi_status
 195 acpi_ev_default_region_setup(acpi_handle handle,
 196                              u32 function,
 197                              void *handler_context, void **region_context);
 198
 199 acpi_status
 200 acpi_ev_initialize_region(union acpi_operand_object *region_obj,
 201                           u8 acpi_ns_locked);
 202
 203 /*
 204  * evsci - SCI (System Control Interrupt) handling/dispatch
 205  */
 206 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
 207
 208 u32 acpi_ev_install_sci_handler(void);
 209
 210 acpi_status acpi_ev_remove_sci_handler(void);
 211
 212 u32 acpi_ev_initialize_sCI(u32 program_sCI);
 213
 214 void acpi_ev_terminate(void);
 215
 216 #endif                          /* __ACEVENTS_H__  */