src/mainboard/lenovo/t60/acpi/dock.asl

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (c) 2011 Sven Schnelle <svens@stackframe.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; version 2 of
   9  * the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  19  * MA 02110-1301 USA
  20  */
  21
  22 #include "smi.h"
  23
  24 Scope (\_SB)
  25 {
  26         OperationRegion (DLPC, SystemIO, 0x164c, 1)
  27         Field(DLPC, ByteAcc, NoLock, Preserve)
  28         {
  29                     ,   3,
  30                 DSTA,   1,
  31         }
  32
  33         Device(DOCK)
  34         {
  35                 Name(_HID, "ACPI0003")
  36                 Name(_UID, 0x00)
  37                 Name(_PCL, Package() { \_SB } )
  38
  39                 Method(_DCK, 1, NotSerialized)
  40                 {
  41                         if (Arg0) {
  42                            Sleep(250)
  43                            /* connect dock */
  44                            TRAP(SMI_DOCK_CONNECT)
  45                         } else {
  46                            /* disconnect dock */
  47                            TRAP(SMI_DOCK_DISCONNECT)
  48                         }
  49
  50                         Xor(Arg0, DSTA, Local0)
  51                         Return (Local0)
  52                 }
  53
  54                 Method(_STA, 0, NotSerialized)
  55                 {
  56                         Return (DSTA)
  57                 }
  58         }
  59 }
  60
  61 Scope(\_SB.PCI0.LPCB.EC)
  62 {
  63         OperationRegion(PMH7, SystemIO, 0x15e0, 0x10)
  64         Field(PMH7, ByteAcc, NoLock, Preserve)
  65         {
  66                 Offset(0x0c),
  67                         PIDX, 8,
  68                 Offset(0x0e),
  69                         PDAT, 8,
  70         }
  71
  72         IndexField(PIDX, PDAT, ByteAcc, NoLock, Preserve)
  73         {
  74                 Offset (0x61),
  75                         DPWR, 1,
  76         }
  77
  78         Method(_Q18, 0, NotSerialized)
  79         {
  80                Notify(\_SB.DOCK, 3)
  81         }
  82
  83         Method(_Q37, 0, NotSerialized)
  84         {
  85                 if (DPWR) {
  86                         Notify(\_SB.DOCK, 0)
  87                 } else {
  88                         Notify(\_SB.DOCK, 3)
  89                 }
  90         }
  91 }