Commit | Line | Data |
---|---|---|
42a3b4f2 RB |
1 | /* |
2 | * Dallas Semiconductors 1603 RTC driver | |
1da177e4 | 3 | * |
42a3b4f2 | 4 | * Brian Murphy <brian@murphy.dk> |
1da177e4 LT |
5 | * |
6 | */ | |
7 | #ifndef __DS1603_H | |
8 | #define __DS1603_H | |
9 | ||
10 | struct ds_defs { | |
11 | volatile u32 *reg; | |
12 | volatile u32 *data_reg; | |
13 | u32 rst; | |
14 | u32 clk; | |
15 | u32 data; | |
16 | u32 data_read_shift; | |
17 | char data_reversed; | |
18 | u32 huge_delay; | |
19 | }; | |
20 | ||
21 | extern struct ds_defs *ds1603; | |
22 | ||
23 | unsigned long ds1603_read(void); | |
24 | int ds1603_set(unsigned long); | |
25 | void ds1603_set_trimmer(unsigned int); | |
26 | void ds1603_enable(void); | |
27 | void ds1603_disable(void); | |
28 | void ds1603_init(struct ds_defs *); | |
29 | ||
30 | #define TRIMMER_DEFAULT 3 | |
31 | #define TRIMMER_DISABLE_RTC 0 | |
32 | ||
33 | #endif |