Commit | Line | Data |
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351f683b | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
70e84049 MOS |
2 | /* |
3 | * Filename: cfag12864b.h | |
4 | * Version: 0.1.0 | |
5 | * Description: cfag12864b LCD driver header | |
70e84049 | 6 | * |
c131bd0b | 7 | * Author: Copyright (C) Miguel Ojeda <ojeda@kernel.org> |
70e84049 | 8 | * Date: 2006-10-12 |
70e84049 MOS |
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 | * Get the refresh rate of the LCD | |
32 | * | |
25985edc | 33 | * Returns the refresh rate (hertz). |
70e84049 MOS |
34 | */ |
35 | extern unsigned int cfag12864b_getrate(void); | |
36 | ||
37 | /* | |
38 | * Enable refreshing | |
39 | * | |
40 | * Returns 0 if successful (anyone was using it), | |
41 | * or != 0 if failed (someone is using it). | |
42 | */ | |
43 | extern unsigned char cfag12864b_enable(void); | |
44 | ||
45 | /* | |
46 | * Disable refreshing | |
47 | * | |
48 | * You should call this only when you finish using the LCD. | |
49 | */ | |
50 | extern 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 | */ | |
60 | extern unsigned char cfag12864b_isenabled(void); | |
61 | ||
34173a4a MO |
62 | /* |
63 | * Is the module inited? | |
64 | */ | |
65 | extern unsigned char cfag12864b_isinited(void); | |
66 | ||
70e84049 MOS |
67 | #endif /* _CFAG12864B_H_ */ |
68 |