hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
28 lines
628 B
C
28 lines
628 B
C
/*
|
|
* Copyright 2008 Extreme Engineering Solutions, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0
|
|
*/
|
|
|
|
#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_ */
|