/* SPDX-License-Identifier: GPL-2.0 */
/*
* Filename : cfag12864b . h
* Version : 0 . 1 . 0
* Description : cfag12864b LCD driver header
*
* Author : Copyright ( C ) Miguel Ojeda < ojeda @ kernel . org >
* Date : 2006 - 10 - 12
*/
#ifndef _CFAG12864B_H_
#define _CFAG12864B_H_
#define CFAG12864B_WIDTH (128 )
#define CFAG12864B_HEIGHT (64 )
#define CFAG12864B_CONTROLLERS (2 )
#define CFAG12864B_PAGES (8 )
#define CFAG12864B_ADDRESSES (64 )
#define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \
(CFAG12864B_PAGES) * \
(CFAG12864B_ADDRESSES))
/*
* The driver will blit this buffer to the LCD
*
* Its size is CFAG12864B_SIZE .
*/
extern unsigned char * cfag12864b_buffer;
/*
* Enable refreshing
*
* Returns 0 if successful ( anyone was using it ) ,
* or ! = 0 if failed ( someone is using it ) .
*/
extern unsigned char cfag12864b_enable(void );
/*
* Disable refreshing
*
* You should call this only when you finish using the LCD .
*/
extern void cfag12864b_disable(void );
/*
* Is the module inited ?
*/
extern unsigned char cfag12864b_isinited(void );
#endif /* _CFAG12864B_H_ */
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