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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SUN3_INTERSIL_H
#define _SUN3_INTERSIL_H
/* bits 0 and 1 */
#define INTERSIL_FREQ_32K 0x00
#define INTERSIL_FREQ_1M 0x01
#define INTERSIL_FREQ_2M 0x02
#define INTERSIL_FREQ_4M 0x03
/* bit 2 */
#define INTERSIL_12H_MODE 0x00
#define INTERSIL_24H_MODE 0x04
/* bit 3 */
#define INTERSIL_STOP 0x00
#define INTERSIL_RUN 0x08
/* bit 4 */
#define INTERSIL_INT_ENABLE 0x10
#define INTERSIL_INT_DISABLE 0x00
/* bit 5 */
#define INTERSIL_MODE_NORMAL 0x00
#define INTERSIL_MODE_TEST 0x20
#define INTERSIL_HZ_100_MASK 0x02
struct intersil_dt {
unsigned char csec;
unsigned char hour;
unsigned char minute;
unsigned char second;
unsigned char month;
unsigned char day;
unsigned char year;
unsigned char weekday;
};
struct intersil_7170 {
struct intersil_dt counter;
struct intersil_dt alarm;
unsigned char int_reg;
unsigned char cmd_reg;
};
extern volatile char* clock_va;
#define intersil_clock ((volatile struct intersil_7170 *) clock_va)
#define intersil_clear() (void)intersil_clock->int_reg
#endif
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