LXR linux/arch/mips/lasat/ds1603.h

   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
  23void ds1603_set_trimmer(unsigned int);
  24void ds1603_enable(void);
  25void ds1603_disable(void);
  26void ds1603_init(struct ds_defs *);
  27
  28#define TRIMMER_DEFAULT 3
  29#define TRIMMER_DISABLE_RTC 0
  30
  31#endif
  32