1 /******************************************************************************
   2  *
   3  * Name: achware.h -- hardware specific interfaces
   4  *
   5  *****************************************************************************/
   6 
   7 /*
   8  * Copyright (C) 2000 - 2011, 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 
  48 /* Values for the _SST predefined method */
  49 
  50 #define ACPI_SST_INDICATOR_OFF  0
  51 #define ACPI_SST_WORKING        1
  52 #define ACPI_SST_WAKING         2
  53 #define ACPI_SST_SLEEPING       3
  54 #define ACPI_SST_SLEEP_CONTEXT  4
  55 
  56 
  57 /*
  58  * hwacpi - high level functions
  59  */
  60 ACPI_STATUS
  61 AcpiHwSetMode (
  62     UINT32                  Mode);
  63 
  64 UINT32
  65 AcpiHwGetMode (
  66     void);
  67 
  68 
  69 /*
  70  * hwregs - ACPI Register I/O
  71  */
  72 ACPI_STATUS
  73 AcpiHwValidateRegister (
  74     ACPI_GENERIC_ADDRESS    *Reg,
  75     UINT8                   MaxBitWidth,
  76     UINT64                  *Address);
  77 
  78 ACPI_STATUS
  79 AcpiHwRead (
  80     UINT32                  *Value,
  81     ACPI_GENERIC_ADDRESS    *Reg);
  82 
  83 ACPI_STATUS
  84 AcpiHwWrite (
  85     UINT32                  Value,
  86     ACPI_GENERIC_ADDRESS    *Reg);
  87 
  88 ACPI_BIT_REGISTER_INFO *
  89 AcpiHwGetBitRegisterInfo (
  90     UINT32                  RegisterId);
  91 
  92 ACPI_STATUS
  93 AcpiHwWritePm1Control (
  94     UINT32                  Pm1aControl,
  95     UINT32                  Pm1bControl);
  96 
  97 ACPI_STATUS
  98 AcpiHwRegisterRead (
  99     UINT32                  RegisterId,
 100     UINT32                  *ReturnValue);
 101 
 102 ACPI_STATUS
 103 AcpiHwRegisterWrite (
 104     UINT32                  RegisterId,
 105     UINT32                  Value);
 106 
 107 ACPI_STATUS
 108 AcpiHwClearAcpiStatus (
 109     void);
 110 
 111 
 112 /*
 113  * hwvalid - Port I/O with validation
 114  */
 115 ACPI_STATUS
 116 AcpiHwReadPort (
 117     ACPI_IO_ADDRESS         Address,
 118     UINT32                  *Value,
 119     UINT32                  Width);
 120 
 121 ACPI_STATUS
 122 AcpiHwWritePort (
 123     ACPI_IO_ADDRESS         Address,
 124     UINT32                  Value,
 125     UINT32                  Width);
 126 
 127 
 128 /*
 129  * hwgpe - GPE support
 130  */
 131 UINT32
 132 AcpiHwGetGpeRegisterBit (
 133     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
 134     ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo);
 135 
 136 ACPI_STATUS
 137 AcpiHwLowSetGpe (
 138     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
 139     UINT32                  Action);
 140 
 141 ACPI_STATUS
 142 AcpiHwDisableGpeBlock (
 143     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo,
 144     ACPI_GPE_BLOCK_INFO     *GpeBlock,
 145     void                    *Context);
 146 
 147 ACPI_STATUS
 148 AcpiHwClearGpe (
 149     ACPI_GPE_EVENT_INFO     *GpeEventInfo);
 150 
 151 ACPI_STATUS
 152 AcpiHwClearGpeBlock (
 153     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo,
 154     ACPI_GPE_BLOCK_INFO     *GpeBlock,
 155     void                    *Context);
 156 
 157 ACPI_STATUS
 158 AcpiHwGetGpeStatus (
 159     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
 160     ACPI_EVENT_STATUS       *EventStatus);
 161 
 162 ACPI_STATUS
 163 AcpiHwDisableAllGpes (
 164     void);
 165 
 166 ACPI_STATUS
 167 AcpiHwEnableAllRuntimeGpes (
 168     void);
 169 
 170 ACPI_STATUS
 171 AcpiHwEnableAllWakeupGpes (
 172     void);
 173 
 174 ACPI_STATUS
 175 AcpiHwEnableRuntimeGpeBlock (
 176     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo,
 177     ACPI_GPE_BLOCK_INFO     *GpeBlock,
 178     void                    *Context);
 179 
 180 
 181 /*
 182  * hwpci - PCI configuration support
 183  */
 184 ACPI_STATUS
 185 AcpiHwDerivePciId (
 186     ACPI_PCI_ID             *PciId,
 187     ACPI_HANDLE             RootPciDevice,
 188     ACPI_HANDLE             PciRegion);
 189 
 190 
 191 /*
 192  * hwtimer - ACPI Timer prototypes
 193  */
 194 ACPI_STATUS
 195 AcpiGetTimerResolution (
 196     UINT32                  *Resolution);
 197 
 198 ACPI_STATUS
 199 AcpiGetTimer (
 200     UINT32                  *Ticks);
 201 
 202 ACPI_STATUS
 203 AcpiGetTimerDuration (
 204     UINT32                  StartTicks,
 205     UINT32                  EndTicks,
 206     UINT32                  *TimeElapsed);
 207 
 208 
 209 #endif /* __ACHWARE_H__ */