linux-old/include/asm-m68k/intersil.h
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   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
  27struct intersil_dt {
  28        unsigned char   csec;
  29        unsigned char   hour;
  30        unsigned char   minute;
  31        unsigned char   second;
  32        unsigned char   month;
  33        unsigned char   day;
  34        unsigned char   year;
  35        unsigned char   weekday;
  36};
  37
  38struct intersil_7170 {
  39        struct intersil_dt counter;
  40        struct intersil_dt alarm;
  41        unsigned char   int_reg;
  42        unsigned char   cmd_reg;
  43};
  44
  45extern 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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