tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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