[mirror_ubuntu-bionic-kernel.git] / arch / mips / lasat / ds1603.h

/*
 * Dallas Semiconductors 1603 RTC driver
 *
 * Brian Murphy <brian@murphy.dk>
 *
 */
#ifndef __DS1603_H
#define __DS1603_H

struct ds_defs {
	volatile u32 *reg;
	volatile u32 *data_reg;
	u32 rst;
	u32 clk;
	u32 data;
	u32 data_read_shift;
	char data_reversed;
	u32 huge_delay;
};

extern struct ds_defs *ds1603;

unsigned long ds1603_read(void);
int ds1603_set(unsigned long);
void ds1603_set_trimmer(unsigned int);
void ds1603_enable(void);
void ds1603_disable(void);
void ds1603_init(struct ds_defs *);

#define TRIMMER_DEFAULT	3
#define TRIMMER_DISABLE_RTC 0

#endif
Commit	Line	Data
42a3b4f2 RB	1	/*
42a3b4f2 RB	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