sys/dev/i2c/pcf8583reg.h

   1 /*      $NetBSD: pcf8583reg.h,v 1.1.4.3 2004/09/21 13:27:46 skrll Exp $ */
   2
   3 /*
   4  * Ben Harris, 2000
   5  *
   6  * This file is in the public domain
   7  */
   8
   9 /*
  10  * Philips PCF8583 RTC registers
  11  */
  12
  13 /* We only have clock mode registers here */
  14
  15 #ifndef _PCF8583REG_H
  16 #define _PCF8583REG_H
  17
  18 /*
  19  * PCF8583 RTC I2C address:
  20  *
  21  *      101 0000
  22  */
  23 #define PCF8583_ADDRMASK        0x7f
  24 #define PCF8583_ADDR            0x50
  25
  26 #define PCF8583_REG_CSR         0x00
  27 #define PCF8583_REG_CENTI       0x01
  28 #define PCF8583_REG_SEC         0x02
  29 #define PCF8583_REG_MIN         0x03
  30 #define PCF8583_REG_HOUR        0x04
  31 #define PCF8583_REG_YEARDATE    0x05
  32 #define PCF8583_REG_WKDYMON     0x06
  33 #define PCF8583_REG_TIMER       0x07
  34 #define PCF8583_REG_ALMCTL      0x08
  35 #define PCF8583_REG_ALMCENTI    0x09
  36 #define PCF8583_REG_ALMSEC      0x0a
  37 #define PCF8583_REG_ALMMIN      0x0b
  38 #define PCF8583_REG_ALMHOUR     0x0c
  39 #define PCF8583_REG_ALMDAY      0x0d
  40 #define PCF8583_REG_ALMMON      0x0e
  41 #define PCF8583_REG_ALMTIMER    0x0f
  42
  43 #define PCF8583_NVRAM_START     0x10
  44 #define PCF8583_NVRAM_SIZE      240
  45
  46 #define PCF8583_CSR_TIMER       0x01
  47 #define PCF8583_CSR_SECTICK     0x01
  48 #define PCF8583_CSR_ALARM       0x02
  49 #define PCF8583_CSR_MINTICK     0x02
  50 #define PCF8583_CSR_ALARMENABLE 0x04
  51 #define PCF8583_CSR_MASK        0x08
  52 #define PCF8583_CSR_FN_MASK     0x30
  53 #define PCF8583_CSR_FN_32768HZ  0x00
  54 #define PCF8583_CSR_FN_50HZ     0x10
  55 #define PCF8583_CSR_FN_EVENT    0x20
  56 #define PCF8583_CSR_FN_TEST     0x30
  57 #define PCF8583_CSR_HOLD        0x40
  58 #define PCF8583_CSR_STOP        0x80
  59
  60 #define PCF8583_HOUR_MASK       0x3f
  61 #define PCF8583_HOUR_PM         0x40
  62 #define PCF8583_HOUR_12H        0x80
  63
  64 #define PCF8583_DATE_MASK       0x3f
  65 #define PCF8583_YEAR_MASK       0xc0
  66 #define PCF8583_YEAR_SHIFT      6
  67
  68 #define PCF8583_MON_MASK        0x1f
  69 #define PCF8583_WKDY_MASK       0xe0
  70 #define PCF8583_WKDY_SHIFT      5
  71
  72 #define PCF8583_ALMCTL_TIMER_MASK       0x07
  73 #define PCF8583_ALMCTL_TIMER_OFF        0x00
  74 #define PCF8583_ALMCTL_TIMER_CENTI      0x01
  75 #define PCF8583_ALMCTL_TIMER_SEC        0x02
  76 #define PCF8583_ALMCTL_TIMER_MIN        0x03
  77 #define PCF8583_ALMCTL_TIMER_HOUR       0x04
  78 #define PCF8583_ALMCTL_TIMER_DAY        0x05
  79 #define PCF8583_ALMCTL_TIMER_TEST       0x07
  80 #define PCF8583_ALMCTL_TIMERINT         0x08
  81 #define PCF8583_ALMCTL_CLKALM_MASK      0x30
  82 #define PCF8583_ALMCTL_CLKALM_NONE      0x00
  83 #define PCF8583_ALMCTL_CLKALM_DAILY     0x10
  84 #define PCF8583_ALMCTL_CLKALM_WKDY      0x20
  85 #define PCF8583_ALMCTL_CLKALM_DATED     0x30
  86 #define PCF8583_ALMCTL_TIMERALM         0x40
  87 #define PCF8583_ALMCTL_ALMINT           0x80
  88
  89 #endif  /* _PCF8583REG_H */