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  1. /******************************************************************************
  2.  *
  3.  * Name: achware.h -- hardware specific interfaces
  4.  *
  5.  *****************************************************************************/
  6.  
  7. /*
  8.  * Copyright (C) 2000 - 2015, Intel Corp.
  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.  
  47. /* Values for the _SST predefined method */
  48.  
  49. #define ACPI_SST_INDICATOR_OFF  0
  50. #define ACPI_SST_WORKING        1
  51. #define ACPI_SST_WAKING         2
  52. #define ACPI_SST_SLEEPING       3
  53. #define ACPI_SST_SLEEP_CONTEXT  4
  54.  
  55. /*
  56.  * hwacpi - high level functions
  57.  */
  58. acpi_status acpi_hw_set_mode(u32 mode);
  59.  
  60. u32 acpi_hw_get_mode(void);
  61.  
  62. /*
  63.  * hwregs - ACPI Register I/O
  64.  */
  65. acpi_status
  66. acpi_hw_validate_register(struct acpi_generic_address *reg,
  67.                           u8 max_bit_width, u64 *address);
  68.  
  69. acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg);
  70.  
  71. acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg);
  72.  
  73. struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
  74.  
  75. acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);
  76.  
  77. acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value);
  78.  
  79. acpi_status acpi_hw_register_write(u32 register_id, u32 value);
  80.  
  81. acpi_status acpi_hw_clear_acpi_status(void);
  82.  
  83. /*
  84.  * hwsleep - sleep/wake support (Legacy sleep registers)
  85.  */
  86. acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
  87.  
  88. acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
  89.  
  90. acpi_status acpi_hw_legacy_wake(u8 sleep_state);
  91.  
  92. /*
  93.  * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
  94.  */
  95. void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument);
  96.  
  97. acpi_status acpi_hw_extended_sleep(u8 sleep_state);
  98.  
  99. acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
  100.  
  101. acpi_status acpi_hw_extended_wake(u8 sleep_state);
  102.  
  103. /*
  104.  * hwvalid - Port I/O with validation
  105.  */
  106. acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width);
  107.  
  108. acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width);
  109.  
  110. /*
  111.  * hwgpe - GPE support
  112.  */
  113. u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info);
  114.  
  115. acpi_status
  116. acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action);
  117.  
  118. acpi_status
  119. acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  120.                           struct acpi_gpe_block_info *gpe_block, void *context);
  121.  
  122. acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
  123.  
  124. acpi_status
  125. acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  126.                         struct acpi_gpe_block_info *gpe_block, void *context);
  127.  
  128. acpi_status
  129. acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
  130.                        acpi_event_status *event_status);
  131.  
  132. acpi_status acpi_hw_disable_all_gpes(void);
  133.  
  134. acpi_status acpi_hw_enable_all_runtime_gpes(void);
  135.  
  136. acpi_status acpi_hw_enable_all_wakeup_gpes(void);
  137.  
  138. acpi_status
  139. acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  140.                                  struct acpi_gpe_block_info *gpe_block,
  141.                                  void *context);
  142.  
  143. /*
  144.  * hwpci - PCI configuration support
  145.  */
  146. acpi_status
  147. acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
  148.                       acpi_handle root_pci_device, acpi_handle pci_region);
  149.  
  150. #endif                          /* __ACHWARE_H__ */
  151.