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 <[email protected]> 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 */ 28 extern 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 */ 36 extern unsigned char cfag12864b_enable(void); 37 38 /* 39 * Disable refreshing 40 * 41 * You should call this only when you finish using the LCD. 42 */ 43 extern void cfag12864b_disable(void); 44 45 /* 46 * Is the module inited? 47 */ 48 extern unsigned char cfag12864b_isinited(void); 49 50 #endif /* _CFAG12864B_H_ */ 51 52