/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Filename: cfag12864b.h
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* Version: 0.1.0
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* Description: cfag12864b LCD driver header
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*
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* Author: Copyright (C) Miguel Ojeda Sandonis
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* Date: 2006-10-12
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*/
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#ifndef _CFAG12864B_H_
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#define _CFAG12864B_H_
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#define CFAG12864B_WIDTH (128)
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#define CFAG12864B_HEIGHT (64)
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#define CFAG12864B_CONTROLLERS (2)
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#define CFAG12864B_PAGES (8)
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#define CFAG12864B_ADDRESSES (64)
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#define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \
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(CFAG12864B_PAGES) * \
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(CFAG12864B_ADDRESSES))
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/*
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* The driver will blit this buffer to the LCD
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*
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* Its size is CFAG12864B_SIZE.
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*/
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extern unsigned char * cfag12864b_buffer;
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/*
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* Get the refresh rate of the LCD
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*
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* Returns the refresh rate (hertz).
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*/
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extern unsigned int cfag12864b_getrate(void);
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/*
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* Enable refreshing
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*
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* Returns 0 if successful (anyone was using it),
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* or != 0 if failed (someone is using it).
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*/
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extern unsigned char cfag12864b_enable(void);
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/*
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* Disable refreshing
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*
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* You should call this only when you finish using the LCD.
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*/
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extern void cfag12864b_disable(void);
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/*
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* Is enabled refreshing? (is anyone using the module?)
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*
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* Returns 0 if refreshing is not enabled (anyone is using it),
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* or != 0 if refreshing is enabled (someone is using it).
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*
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* Useful for buffer read-only modules.
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*/
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extern unsigned char cfag12864b_isenabled(void);
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/*
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* Is the module inited?
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*/
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extern unsigned char cfag12864b_isinited(void);
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#endif /* _CFAG12864B_H_ */
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