1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *    Filename: ks0108.h
4  *     Version: 0.1.0
5  * Description: ks0108 LCD Controller driver header
6  *
7  *      Author: Copyright (C) Miguel Ojeda <ojeda@kernel.org>
8  *        Date: 2006-10-31
9  */
10 
11 #ifndef _KS0108_H_
12 #define _KS0108_H_
13 
14 /* Write a byte to the data port */
15 extern void ks0108_writedata(unsigned char byte);
16 
17 /* Write a byte to the control port */
18 extern void ks0108_writecontrol(unsigned char byte);
19 
20 /* Set the controller's current display state (0..1) */
21 extern void ks0108_displaystate(unsigned char state);
22 
23 /* Set the controller's current startline (0..63) */
24 extern void ks0108_startline(unsigned char startline);
25 
26 /* Set the controller's current address (0..63) */
27 extern void ks0108_address(unsigned char address);
28 
29 /* Set the controller's current page (0..7) */
30 extern void ks0108_page(unsigned char page);
31 
32 /* Is the module inited? */
33 extern unsigned char ks0108_isinited(void);
34 
35 #endif /* _KS0108_H_ */
36