1/*
2 * Dallas Semiconductors 1603 RTC driver
3 *
4 * Brian Murphy <brian@murphy.dk>
5 *
6 */
7#ifndef __DS1603_H
8#define __DS1603_H
9
10struct 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
21extern struct ds_defs *ds1603;
22
23unsigned long ds1603_read(void);
24int ds1603_set(unsigned long);
25void ds1603_set_trimmer(unsigned int);
26void ds1603_enable(void);
27void ds1603_disable(void);
28void ds1603_init(struct ds_defs *);
29
30#define TRIMMER_DEFAULT	3
31#define TRIMMER_DISABLE_RTC 0
32
33#endif
34