kernel/machine/mach_pc/Serial.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef MACHINE_X86_SERIAL_H
#define MACHINE_X86_SERIAL_H
#include "pedigree/kernel/machine/Serial.h"
#include "pedigree/kernel/processor/IoPort.h"
#include "pedigree/kernel/processor/types.h"
 
#include <config.h>
 
namespace serial {
const int rxtx = 0;
const int inten = 1;
const int iififo = 2;
const int lctrl = 3;
const int mctrl = 4;
const int lstat = 5;
const int mstat = 6;
const int scratch = 7;
}  // namespace serial
 
class X86Serial : public Serial {
 public:
  X86Serial();
  virtual void setBase(uintptr_t nBaseAddr);
  virtual ~X86Serial();
 
  virtual bool hasData();
  virtual char read();
  virtual char readNonBlock();
  virtual void write(char c);
 
 private:
  bool waitForStatus(uint8_t mask);
  bool isConnected();
  IoPort m_Port;
  bool m_Present;
};
 
#endif