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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Filename: cfag12864b.h4 * Version: 0.1.05 * Description: cfag12864b LCD driver header6 *7 * Author: Copyright (C) Miguel Ojeda <ojeda@kernel.org>8 * Date: 2006-10-129 */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 LCD25 *26 * Its size is CFAG12864B_SIZE.27 */28extern unsigned char * cfag12864b_buffer;29 30/*31 * Get the refresh rate of the LCD32 *33 * Returns the refresh rate (hertz).34 */35extern unsigned int cfag12864b_getrate(void);36 37/*38 * Enable refreshing39 *40 * Returns 0 if successful (anyone was using it),41 * or != 0 if failed (someone is using it).42 */43extern unsigned char cfag12864b_enable(void);44 45/*46 * Disable refreshing47 *48 * You should call this only when you finish using the LCD.49 */50extern void cfag12864b_disable(void);51 52/*53 * Is enabled refreshing? (is anyone using the module?)54 *55 * Returns 0 if refreshing is not enabled (anyone is using it),56 * or != 0 if refreshing is enabled (someone is using it).57 *58 * Useful for buffer read-only modules.59 */60extern unsigned char cfag12864b_isenabled(void);61 62/*63 * Is the module inited?64 */65extern unsigned char cfag12864b_isinited(void);66 67#endif /* _CFAG12864B_H_ */68 69