src/southbridge/amd/cs5536/smbus.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007 Advanced Micro Devices, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc.
  18  */
  19
  20 #ifndef _CS5536_SMBUS_H
  21 #define _CS5536_SMBUS_H
  22
  23 #include <device/smbus_def.h>
  24
  25 int smbus_start_condition(unsigned smbus_io_base);
  26 int smbus_stop_condition(unsigned smbus_io_base);
  27 int smbus_check_stop_condition(unsigned smbus_io_base);
  28 int smbus_send_slave_address(unsigned smbus_io_base,
  29                                     unsigned char device);
  30 int smbus_send_command(unsigned smbus_io_base, unsigned char command);
  31
  32 unsigned char do_smbus_read_byte(unsigned smbus_io_base,
  33                                         unsigned char device,
  34                                         unsigned char address);
  35
  36 #endif /* _CS5536_SMBUS_H */