1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Filename: cfag12864b.h 4*4882a593Smuzhiyun * Version: 0.1.0 5*4882a593Smuzhiyun * Description: cfag12864b LCD driver header 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Author: Copyright (C) Miguel Ojeda Sandonis 8*4882a593Smuzhiyun * Date: 2006-10-12 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef _CFAG12864B_H_ 12*4882a593Smuzhiyun #define _CFAG12864B_H_ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define CFAG12864B_WIDTH (128) 15*4882a593Smuzhiyun #define CFAG12864B_HEIGHT (64) 16*4882a593Smuzhiyun #define CFAG12864B_CONTROLLERS (2) 17*4882a593Smuzhiyun #define CFAG12864B_PAGES (8) 18*4882a593Smuzhiyun #define CFAG12864B_ADDRESSES (64) 19*4882a593Smuzhiyun #define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \ 20*4882a593Smuzhiyun (CFAG12864B_PAGES) * \ 21*4882a593Smuzhiyun (CFAG12864B_ADDRESSES)) 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* 24*4882a593Smuzhiyun * The driver will blit this buffer to the LCD 25*4882a593Smuzhiyun * 26*4882a593Smuzhiyun * Its size is CFAG12864B_SIZE. 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun extern unsigned char * cfag12864b_buffer; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /* 31*4882a593Smuzhiyun * Get the refresh rate of the LCD 32*4882a593Smuzhiyun * 33*4882a593Smuzhiyun * Returns the refresh rate (hertz). 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun extern unsigned int cfag12864b_getrate(void); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* 38*4882a593Smuzhiyun * Enable refreshing 39*4882a593Smuzhiyun * 40*4882a593Smuzhiyun * Returns 0 if successful (anyone was using it), 41*4882a593Smuzhiyun * or != 0 if failed (someone is using it). 42*4882a593Smuzhiyun */ 43*4882a593Smuzhiyun extern unsigned char cfag12864b_enable(void); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* 46*4882a593Smuzhiyun * Disable refreshing 47*4882a593Smuzhiyun * 48*4882a593Smuzhiyun * You should call this only when you finish using the LCD. 49*4882a593Smuzhiyun */ 50*4882a593Smuzhiyun extern void cfag12864b_disable(void); 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* 53*4882a593Smuzhiyun * Is enabled refreshing? (is anyone using the module?) 54*4882a593Smuzhiyun * 55*4882a593Smuzhiyun * Returns 0 if refreshing is not enabled (anyone is using it), 56*4882a593Smuzhiyun * or != 0 if refreshing is enabled (someone is using it). 57*4882a593Smuzhiyun * 58*4882a593Smuzhiyun * Useful for buffer read-only modules. 59*4882a593Smuzhiyun */ 60*4882a593Smuzhiyun extern unsigned char cfag12864b_isenabled(void); 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* 63*4882a593Smuzhiyun * Is the module inited? 64*4882a593Smuzhiyun */ 65*4882a593Smuzhiyun extern unsigned char cfag12864b_isinited(void); 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun #endif /* _CFAG12864B_H_ */ 68*4882a593Smuzhiyun 69