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      1 /** @file
      2 *
      3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
      4 *  Copyright (c) 2015, Hisilicon Limited. All rights reserved.
      5 *  Copyright (c) 2015, Linaro Limited. All rights reserved.
      6 *
      7 *  This program and the accompanying materials
      8 *  are licensed and made available under the terms and conditions of the BSD License
      9 *  which accompanies this distribution.  The full text of the license may be found at
     10 *  http://opensource.org/licenses/bsd-license.php
     11 *
     12 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     13 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     14 *
     15 *  Based on the files under ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
     16 **/
     17 
     18 
     19 #ifndef __DS3231_REAL_TIME_CLOCK_H__
     20 #define __DS3231_REAL_TIME_CLOCK_H__
     21 
     22 #define DS3231_REGADDR_SECONDS      0x00
     23 #define DS3231_REGADDR_MIUTES       0x01
     24 #define DS3231_REGADDR_HOURS        0x02
     25 #define DS3231_REGADDR_DAY          0x03
     26 #define DS3231_REGADDR_DATE         0x04
     27 #define DS3231_REGADDR_MONTH        0x05
     28 #define DS3231_REGADDR_YEAR         0x06
     29 #define DS3231_REGADDR_ALARM1SEC    0x07
     30 #define DS3231_REGADDR_ALARM1MIN    0x08
     31 #define DS3231_REGADDR_ALARM1HOUR   0x09
     32 #define DS3231_REGADDR_ALARM1DAY    0x0A
     33 #define DS3231_REGADDR_ALARM2MIN    0x0B
     34 #define DS3231_REGADDR_ALARM2HOUR   0x0C
     35 #define DS3231_REGADDR_ALARM2DAY    0x0D
     36 #define DS3231_REGADDR_CONTROL      0x0E
     37 #define DS3231_REGADDR_STATUS       0x0F
     38 #define DS3231_REGADDR_AGOFFSET     0x10
     39 #define DS3231_REGADDR_TEMPMSB      0x11
     40 #define DS3231_REGADDR_TEMPLSB      0x12
     41 
     42 
     43 typedef union {
     44   struct{
     45     UINT8 A1IE:1;
     46     UINT8 A2IE:1;
     47     UINT8 INTCN:1;
     48     UINT8 RSV:2;
     49     UINT8 CONV:1;
     50     UINT8 BBSQW:1;
     51     UINT8 EOSC_N:1;
     52   }bits;
     53   UINT8 u8;
     54 }RTC_DS3231_CONTROL;
     55 
     56 typedef union {
     57   struct{
     58     UINT8 A1F:1;
     59     UINT8 A2F:1;
     60     UINT8 BSY:1;
     61     UINT8 EN32KHZ:2;
     62     UINT8 Rsv:3;
     63     UINT8 OSF:1;
     64   }bits;
     65   UINT8 u8;
     66 }RTC_DS3231_STATUS;
     67 
     68 
     69 typedef union {
     70   struct{
     71     UINT8 Data:7;
     72     UINT8 Sign:1;
     73   }bits;
     74   UINT8 u8;
     75 }RTC_DS3231_AGOFFSET;
     76 
     77 typedef union {
     78   struct{
     79     UINT8 Data:7;
     80     UINT8 Sign:1;
     81   }bits;
     82   UINT8 u8;
     83 }RTC_DS3231_TEMPMSB;
     84 
     85 
     86 typedef union {
     87   struct{
     88     UINT8 Rsv:6;
     89     UINT8 Data:2;
     90   }bits;
     91   UINT8 u8;
     92 }RTC_DS3231_TEMPLSB;
     93 
     94 typedef union {
     95   struct{
     96     UINT8 Seconds:4;
     97     UINT8 Seconds10:3;
     98     UINT8 Rsv:1;
     99   }bits;
    100   UINT8 u8;
    101 }RTC_DS3231_SECONDS;
    102 
    103 typedef union {
    104   struct{
    105     UINT8 Minutes:4;
    106     UINT8 Minutes10:3;
    107     UINT8 Rsv:1;
    108   }bits;
    109   UINT8 u8;
    110 }RTC_DS3231_MINUTES;
    111 
    112 typedef union {
    113   struct{
    114     UINT8 Hour:4;
    115     UINT8 Hours10:1;
    116     UINT8 PM_20Hours:1;
    117     UINT8 Hour24_n:1;
    118     UINT8 Rsv:1;
    119   }bits;
    120   UINT8 u8;
    121 }RTC_DS3231_HOURS;
    122 
    123 typedef union {
    124   struct{
    125     UINT8 Day:3;
    126     UINT8 Rsv:5;
    127   }bits;
    128   UINT8 u8;
    129 }RTC_DS3231_DAY;
    130 
    131 typedef union {
    132   struct{
    133     UINT8 Month:4;
    134     UINT8 Month10:1;
    135     UINT8 Rsv:2;
    136     UINT8 Century:1;
    137   }bits;
    138   UINT8 u8;
    139 }RTC_DS3231_MONTH;
    140 
    141 typedef union {
    142   struct{
    143     UINT8 Year:4;
    144     UINT8 Year10:4;
    145   }bits;
    146   UINT8 u8;
    147 }RTC_DS3231_YEAR;
    148 
    149 typedef union {
    150   struct{
    151     UINT8 Seconds:4;
    152     UINT8 Seconds10:3;
    153     UINT8 A1M1:1;
    154   }bits;
    155   UINT8 u8;
    156 }RTC_DS3231_ALARM1SEC;
    157 
    158 typedef union {
    159   struct{
    160     UINT8 Minutes:4;
    161     UINT8 Minutes10:3;
    162     UINT8 A1M2:1;
    163   }bits;
    164   UINT8 u8;
    165 }RTC_DS3231_ALARM1MIN;
    166 
    167 typedef union {
    168   struct{
    169     UINT8 Hour:4;
    170     UINT8 Hours10:1;
    171     UINT8 PM_20Hours:1;
    172     UINT8 Hours24:1;
    173     UINT8 A1M3:1;
    174   }bits;
    175   UINT8 u8;
    176 }RTC_DS3231_ALARM1HOUR;
    177 
    178 #endif
    179