1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright 2008 Extreme Engineering Solutions, Inc. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __PCA953X_H_ 8*4882a593Smuzhiyun #define __PCA953X_H_ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define PCA953X_IN 0x00 11*4882a593Smuzhiyun #define PCA953X_OUT 0x01 12*4882a593Smuzhiyun #define PCA953X_POL 0x02 13*4882a593Smuzhiyun #define PCA953X_CONF 0x03 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define PCA953X_OUT_LOW 0 16*4882a593Smuzhiyun #define PCA953X_OUT_HIGH 1 17*4882a593Smuzhiyun #define PCA953X_POL_NORMAL 0 18*4882a593Smuzhiyun #define PCA953X_POL_INVERT 1 19*4882a593Smuzhiyun #define PCA953X_DIR_OUT 0 20*4882a593Smuzhiyun #define PCA953X_DIR_IN 1 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun int pca953x_set_val(u8 chip, uint mask, uint data); 23*4882a593Smuzhiyun int pca953x_set_pol(u8 chip, uint mask, uint data); 24*4882a593Smuzhiyun int pca953x_set_dir(u8 chip, uint mask, uint data); 25*4882a593Smuzhiyun int pca953x_get_val(u8 chip); 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #endif /* __PCA953X_H_ */ 28