1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * Filename: cfag12864b.h 2 * Filename: cfag12864b.h
4 * Version: 0.1.0 3 * Version: 0.1.0
5 * Description: cfag12864b LCD driver header 4 * Description: cfag12864b LCD driver header
>> 5 * License: GPLv2
6 * 6 *
7 * Author: Copyright (C) Miguel Ojeda <oj !! 7 * Author: Copyright (C) Miguel Ojeda Sandonis
8 * Date: 2006-10-12 8 * Date: 2006-10-12
>> 9 *
>> 10 * This program is free software; you can redistribute it and/or modify
>> 11 * it under the terms of the GNU General Public License version 2 as
>> 12 * published by the Free Software Foundation.
>> 13 *
>> 14 * This program is distributed in the hope that it will be useful,
>> 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> 17 * GNU General Public License for more details.
>> 18 *
>> 19 * You should have received a copy of the GNU General Public License
>> 20 * along with this program; if not, write to the Free Software
>> 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
>> 22 *
9 */ 23 */
10 24
11 #ifndef _CFAG12864B_H_ 25 #ifndef _CFAG12864B_H_
12 #define _CFAG12864B_H_ 26 #define _CFAG12864B_H_
13 27
14 #define CFAG12864B_WIDTH (128) 28 #define CFAG12864B_WIDTH (128)
15 #define CFAG12864B_HEIGHT (64) 29 #define CFAG12864B_HEIGHT (64)
16 #define CFAG12864B_CONTROLLERS (2) 30 #define CFAG12864B_CONTROLLERS (2)
17 #define CFAG12864B_PAGES (8) 31 #define CFAG12864B_PAGES (8)
18 #define CFAG12864B_ADDRESSES (64) 32 #define CFAG12864B_ADDRESSES (64)
19 #define CFAG12864B_SIZE ((CFAG12864B_C 33 #define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \
20 (CFAG12864B_PA 34 (CFAG12864B_PAGES) * \
21 (CFAG12864B_AD 35 (CFAG12864B_ADDRESSES))
22 36
23 /* 37 /*
24 * The driver will blit this buffer to the LCD 38 * The driver will blit this buffer to the LCD
25 * 39 *
26 * Its size is CFAG12864B_SIZE. 40 * Its size is CFAG12864B_SIZE.
27 */ 41 */
28 extern unsigned char * cfag12864b_buffer; 42 extern unsigned char * cfag12864b_buffer;
29 43
30 /* 44 /*
31 * Get the refresh rate of the LCD 45 * Get the refresh rate of the LCD
32 * 46 *
33 * Returns the refresh rate (hertz). 47 * Returns the refresh rate (hertz).
34 */ 48 */
35 extern unsigned int cfag12864b_getrate(void); 49 extern unsigned int cfag12864b_getrate(void);
36 50
37 /* 51 /*
38 * Enable refreshing 52 * Enable refreshing
39 * 53 *
40 * Returns 0 if successful (anyone was using i 54 * Returns 0 if successful (anyone was using it),
41 * or != 0 if failed (someone is using it). 55 * or != 0 if failed (someone is using it).
42 */ 56 */
43 extern unsigned char cfag12864b_enable(void); 57 extern unsigned char cfag12864b_enable(void);
44 58
45 /* 59 /*
46 * Disable refreshing 60 * Disable refreshing
47 * 61 *
48 * You should call this only when you finish u 62 * You should call this only when you finish using the LCD.
49 */ 63 */
50 extern void cfag12864b_disable(void); 64 extern void cfag12864b_disable(void);
51 65
52 /* 66 /*
53 * Is enabled refreshing? (is anyone using the 67 * Is enabled refreshing? (is anyone using the module?)
54 * 68 *
55 * Returns 0 if refreshing is not enabled (any 69 * Returns 0 if refreshing is not enabled (anyone is using it),
56 * or != 0 if refreshing is enabled (someone i 70 * or != 0 if refreshing is enabled (someone is using it).
57 * 71 *
58 * Useful for buffer read-only modules. 72 * Useful for buffer read-only modules.
59 */ 73 */
60 extern unsigned char cfag12864b_isenabled(void 74 extern unsigned char cfag12864b_isenabled(void);
61 75
62 /* 76 /*
63 * Is the module inited? 77 * Is the module inited?
64 */ 78 */
65 extern unsigned char cfag12864b_isinited(void) 79 extern unsigned char cfag12864b_isinited(void);
66 80
67 #endif /* _CFAG12864B_H_ */ 81 #endif /* _CFAG12864B_H_ */
68 82
69 83
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