workbench/hidds/agp/i8xxbridgedeviceclass.c

   1 /*
   2     Copyright 2010, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <hidd/agp.h>
   7 #include <proto/oop.h>
   8 #include <proto/exec.h>
   9 #define DEBUG 0
  10 #include <aros/debug.h>
  11
  12 #include "agp_private.h"
  13
  14 #undef HiddAGPBridgeDeviceAttrBase
  15 #define HiddAGPBridgeDeviceAttrBase (SD(cl)->hiddAGPBridgeDeviceAB)
  16
  17 #define AGP_INTEL_NBXCFG        0x50
  18 #define AGP_INTEL_CTRL          0xb0
  19
  20 /* NON-PUBLIC METHODS */
  21 VOID METHOD(i8XXBridgeDevice, Hidd_AGPBridgeDevice, FlushGattTable)
  22 {
  23     struct HIDDGenericBridgeDeviceData * gbddata =
  24         OOP_INST_DATA(SD(cl)->genericBridgeDeviceClass, o);
  25
  26     OOP_Object * bridgedev = gbddata->bridge->PciDevice;
  27     ULONG ctrlreg;
  28
  29     ctrlreg = readconfiglong(bridgedev, AGP_INTEL_CTRL);
  30     writeconfiglong(bridgedev, AGP_INTEL_CTRL, ctrlreg & ~(1 << 7));
  31     ctrlreg = readconfiglong(bridgedev, AGP_INTEL_CTRL);
  32     writeconfiglong(bridgedev, AGP_INTEL_CTRL, ctrlreg | (1 << 7));
  33 }
  34
  35 /* PUBLIC METHODS */
  36 OOP_Object * METHOD(i8XXBridgeDevice, Root, New)
  37 {
  38     o = (OOP_Object *)OOP_DoSuperMethod(cl, o, (OOP_Msg) msg);
  39
  40     return o;
  41 }
  42
  43 VOID i8XXBridgeDevice__Root__Dispose(OOP_Class * cl, OOP_Object * o, OOP_Msg msg)
  44 {
  45     struct HIDDGenericBridgeDeviceData * gbddata =
  46         OOP_INST_DATA(SD(cl)->genericBridgeDeviceClass, o);
  47
  48     if (gbddata->state != STATE_UNKNOWN)
  49     {
  50         OOP_Object * bridgedev = gbddata->bridge->PciDevice;
  51         UWORD cfgreg;
  52
  53         cfgreg = readconfigword(bridgedev, AGP_INTEL_NBXCFG);
  54         writeconfigword(bridgedev, AGP_INTEL_NBXCFG, cfgreg & ~(1 << 9));
  55     }
  56
  57     OOP_DoSuperMethod(cl, o, (OOP_Msg)msg);
  58 }
  59
  60 BOOL METHOD(i8XXBridgeDevice, Hidd_AGPBridgeDevice, Initialize)
  61 {
  62     bug("[i8XXBridgeDevice] abstract Initialize called\n");
  63     return FALSE;
  64 }