src/add-ons/kernel/drivers/network/sis900/driver.h

   1 /*
   2  * Copyright (c) 2001-2007 pinc Software. All Rights Reserved.
   3  * Distributed under the terms of the MIT license.
   4  */
   5 #ifndef DRIVER_H
   6 #define DRIVER_H
   7
   8
   9 #include <PCI.h>
  10
  11
  12 // PCI Communications
  13
  14 #define IO_PORT_PCI_ACCESS true
  15 //#define MEMORY_MAPPED_PCI_ACCESS true
  16
  17 #if IO_PORT_PCI_ACCESS
  18 #       define write8(address,value)            (*pci->write_io_8)((address),(value))
  19 #       define write16(address,value)           (*pci->write_io_16)((address),(value))
  20 #       define write32(address,value)           (*pci->write_io_32)((address),(value))
  21 #       define read8(address)                           ((*pci->read_io_8)(address))
  22 #       define read16(address)                          ((*pci->read_io_16)(address))
  23 #       define read32(address)                          ((*pci->read_io_32)(address))
  24 #else   /* MEMORY_MAPPED_PCI_ACCESS */
  25 #       define read8(address)                           (*((volatile uint8*)(address)))
  26 #       define read16(address)                          (*((volatile uint16*)(address)))
  27 #       define read32(address)                          (*((volatile uint32*)(address)))
  28 #       define write8(address,data)             (*((volatile uint8 *)(address))  = data)
  29 #       define write16(address,data)            (*((volatile uint16 *)(address)) = (data))
  30 #       define write32(address,data)            (*((volatile uint32 *)(address)) = (data))
  31 #endif
  32
  33 extern char *gDeviceNames[];
  34 extern pci_info *pciInfo[];
  35 extern pci_module_info *pci;
  36
  37 #endif  /* DRIVER_H */