Imported Upstream version 2.2.0

[deb_libcec.git] / src / lib / platform / nvidia / nv-edid.cpp

/*
 * This file is part of the libCEC(R) library.
 *
 * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited.  All rights reserved.
 * libCEC(R) is an original work, containing original code.
 *
 * libCEC(R) is a trademark of Pulse-Eight Limited.
 *
 * This program is dual-licensed; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *
 * Alternatively, you can license this library under a commercial license,
 * please contact Pulse-Eight Licensing for more information.
 *
 * For more information contact:
 * Pulse-Eight Licensing       <license@pulse-eight.com>
 *     http://www.pulse-eight.com/
 *     http://www.pulse-eight.net/
 */

#include "env.h"

#include "lib/platform/os.h"
#include "nv-edid.h"

using namespace PLATFORM;

uint16_t CNVEdidParser::GetPhysicalAddress(void)
{
  uint16_t iPA(0);

#if !defined(__WINDOWS__)
  FILE *fp = fopen("/proc/acpi/video/NGFX/HDMI/EDID", "r");

  if (fp)
  {
    char buf[4096];
    memset(buf, 0, sizeof(buf));
    int iPtr(0);
    int c(0);
    while (c != EOF)
    {
      c = fgetc(fp);
      if (c != EOF)
        buf[iPtr++] = c;
    }

    iPA = CEDIDParser::GetPhysicalAddressFromEDID(buf, iPtr);
    fclose(fp);
  }
#endif

  return iPA;
}