/* 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