i386/linux/linux-2.3.21/include/asm-m68k/intersil.h

   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 INTESIL_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