/*
   * Copyright 2008 Extreme Engineering Solutions, Inc.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * Version 2 as published by the Free Software Foundation.
   *
   * 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
   */
  
  #ifndef __PCA953X_H_
  #define __PCA953X_H_
  
  #define PCA953X_IN		0x00
  #define PCA953X_OUT		0x01
  #define PCA953X_POL		0x02
  #define PCA953X_CONF		0x03
  
  #define PCA953X_OUT_LOW		0
  #define PCA953X_OUT_HIGH	1
  #define PCA953X_POL_NORMAL	0
  #define PCA953X_POL_INVERT	1
  #define PCA953X_DIR_OUT		0
  #define PCA953X_DIR_IN		1
  
  int pca953x_set_val(u8 chip, uint mask, uint data);
  int pca953x_set_pol(u8 chip, uint mask, uint data);
  int pca953x_set_dir(u8 chip, uint mask, uint data);
  int pca953x_get_val(u8 chip);
  
  #endif /* __PCA953X_H_ */