mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
c131bd0b54
Update contact info. Link: https://lkml.kernel.org/r/20210206162524.GA11520@kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/* 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;
|
|
|
|
/*
|
|
* Get the refresh rate of the LCD
|
|
*
|
|
* Returns the refresh rate (hertz).
|
|
*/
|
|
extern unsigned int cfag12864b_getrate(void);
|
|
|
|
/*
|
|
* 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 enabled refreshing? (is anyone using the module?)
|
|
*
|
|
* Returns 0 if refreshing is not enabled (anyone is using it),
|
|
* or != 0 if refreshing is enabled (someone is using it).
|
|
*
|
|
* Useful for buffer read-only modules.
|
|
*/
|
|
extern unsigned char cfag12864b_isenabled(void);
|
|
|
|
/*
|
|
* Is the module inited?
|
|
*/
|
|
extern unsigned char cfag12864b_isinited(void);
|
|
|
|
#endif /* _CFAG12864B_H_ */
|
|
|