| /* 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_ */ |
| |