u-boot/include/pca953x.h

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/*
* 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_ */