cfag12864b.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 *    Filename: cfag12864b.h
 4 *     Version: 0.1.0
 5 * Description: cfag12864b LCD driver header
 6 *
 7 *      Author: Copyright (C) Miguel Ojeda <ojeda@kernel.org>
 8 *        Date: 2006-10-12
 9 */
10
11#ifndef _CFAG12864B_H_
12#define _CFAG12864B_H_
13
14#define CFAG12864B_WIDTH	(128)
15#define CFAG12864B_HEIGHT	(64)
16#define CFAG12864B_CONTROLLERS	(2)
17#define CFAG12864B_PAGES	(8)
18#define CFAG12864B_ADDRESSES	(64)
19#define CFAG12864B_SIZE		((CFAG12864B_CONTROLLERS) * \
20				(CFAG12864B_PAGES) * \
21				(CFAG12864B_ADDRESSES))
22
23/*
24 * The driver will blit this buffer to the LCD
25 *
26 * Its size is CFAG12864B_SIZE.
27 */
28extern unsigned char * cfag12864b_buffer;
29
30/*
31 * Enable refreshing
32 *
33 * Returns 0 if successful (anyone was using it),
34 * or != 0 if failed (someone is using it).
35 */
36extern unsigned char cfag12864b_enable(void);
37
38/*
39 * Disable refreshing
40 *
41 * You should call this only when you finish using the LCD.
42 */
43extern void cfag12864b_disable(void);
44
45/*
46 * Is the module inited?
47 */
48extern unsigned char cfag12864b_isinited(void);
49
50#endif /* _CFAG12864B_H_ */
51