1 #ifndef _SUN3_INTERSIL_H
2 #define _SUN3_INTERSIL_H
3 /* bits 0 and 1 */
4 #define INTERSIL_FREQ_32K 0x00
5 #define INTERSIL_FREQ_1M 0x01
6 #define INTERSIL_FREQ_2M 0x02
7 #define INTERSIL_FREQ_4M 0x03
8
9 /* bit 2 */
10 #define INTERSIL_12H_MODE 0x00
11 #define INTERSIL_24H_MODE 0x04
12
13 /* bit 3 */
14 #define INTERSIL_STOP 0x00
15 #define INTERSIL_RUN 0x08
16
17 /* bit 4 */
18 #define INTERSIL_INT_ENABLE 0x10
19 #define INTERSIL_INT_DISABLE 0x00
20
21 /* bit 5 */
22 #define INTERSIL_MODE_NORMAL 0x00
23 #define INTERSIL_MODE_TEST 0x20
24
25 #define INTERSIL_HZ_100_MASK 0x02
26
27 struct intersil_dt {
28 u_char csec;
29 u_char hour;
30 u_char minute;
31 u_char second;
32 u_char month;
33 u_char day;
34 u_char year;
35 u_char weekday;
36 };
37
38 struct intersil_7170 {
39 struct intersil_dt counter;
40 struct intersil_dt alarm;
41 u_char int_reg;
42 u_char cmd_reg;
43 };
44
45 extern volatile char* clock_va;
46 #define intersil_clock ((volatile struct intersil_7170 *) clock_va)
47 #define intersil_clear() (void)intersil_clock->int_reg
48 #endif
49
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