| /* 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 |