FreeBSD/Linux Kernel Cross Reference
sys/arm/at91/at91_rtcreg.h

     /*-
      * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
      * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    /* $FreeBSD$ */
    
    #ifndef ARM_AT91_AT91_RTCREG_H
    #define ARM_AT91_AT91_RTCREG_H
    
    /* Registers */
    #define RTC_CR          0x00            /* RTC Control Register */
    #define RTC_MR          0x04            /* RTC Mode Register */
    #define RTC_TIMR        0x08            /* RTC Time Register */
    #define RTC_CALR        0x0c            /* RTC Calendar Register */
    #define RTC_TIMALR      0x10            /* RTC Time Alarm Register */
    #define RTC_CALALR      0x14            /* RTC Calendar Alarm Register */
    #define RTC_SR          0x18            /* RTC Status Register */
    #define RTC_SCCR        0x1c            /* RTC Status Command Clear Register */
    #define RTC_IER         0x20            /* RTC Interrupt Enable Register */
    #define RTC_IDR         0x24            /* RTC Interrupt Disable Register */
    #define RTC_IMR         0x28            /* RTC Interrupt Mask Register */
    #define RTC_VER         0x2c            /* RTC Valid Entry Register */
    
    /* CR */
    #define RTC_CR_UPDTIM   (0x1u <<  0)    /* Request update of time register */
    #define RTC_CR_UPDCAL   (0x1u <<  1)    /* Request update of calendar reg. */
    
    /* TIMR */
    #define RTC_TIMR_SEC_M  0x7fUL
    #define RTC_TIMR_SEC_S  0
    #define RTC_TIMR_SEC(x) FROMBCD(((x) & RTC_TIMR_SEC_M) >> RTC_TIMR_SEC_S)
    #define RTC_TIMR_MIN_M  0x7f00UL
    #define RTC_TIMR_MIN_S  8
    #define RTC_TIMR_MIN(x) FROMBCD(((x) & RTC_TIMR_MIN_M) >> RTC_TIMR_MIN_S)
    #define RTC_TIMR_HR_M   0x3f0000UL
    #define RTC_TIMR_HR_S   16
    #define RTC_TIMR_HR(x)  FROMBCD(((x) & RTC_TIMR_HR_M) >> RTC_TIMR_HR_S)
    #define RTC_TIMR_MK(hr, min, sec) \
                    ((TOBCD(hr) << RTC_TIMR_HR_S) | \
                     (TOBCD(min) << RTC_TIMR_MIN_S) | \
                     (TOBCD(sec) << RTC_TIMR_SEC_S))
    #define RTC_TIMR_PM     (1UL << 22)
    
    /* CALR */
    #define RTC_CALR_CEN_M  0x0000007fUL
    #define RTC_CALR_CEN_S  0
    #define RTC_CALR_CEN(x) FROMBCD(((x) & RTC_CALR_CEN_M) >> RTC_CALR_CEN_S)
    #define RTC_CALR_YEAR_M 0x0000ff00UL
    #define RTC_CALR_YEAR_S 8
    #define RTC_CALR_YEAR(x) FROMBCD(((x) & RTC_CALR_YEAR_M) >> RTC_CALR_YEAR_S)
    #define RTC_CALR_MON_M  0x001f0000UL
    #define RTC_CALR_MON_S  16
    #define RTC_CALR_MON(x) FROMBCD(((x) & RTC_CALR_MON_M) >> RTC_CALR_MON_S)
    #define RTC_CALR_DOW_M  0x00d0000UL
    #define RTC_CALR_DOW_S  21
    #define RTC_CALR_DOW(x) FROMBCD(((x) & RTC_CALR_DOW_M) >> RTC_CALR_DOW_S)
    #define RTC_CALR_DAY_M  0x3f000000UL
    #define RTC_CALR_DAY_S  24
    #define RTC_CALR_DAY(x) FROMBCD(((x) & RTC_CALR_DAY_M) >> RTC_CALR_DAY_S)
    #define RTC_CALR_MK(yr, mon, day, dow) \
                    ((TOBCD((yr) / 100) << RTC_CALR_CEN_S) | \
                     (TOBCD((yr) % 100) << RTC_CALR_YEAR_S) | \
                     (TOBCD(mon) << RTC_CALR_MON_S) | \
                     (TOBCD(dow) << RTC_CALR_DOW_S) | \
                     (TOBCD(day) << RTC_CALR_DAY_S))
    
    /* SR */
    
    #define RTC_SR_ACKUPD           (0x1u <<  0)    /* Acknowledge for Update */
    #define RTC_SR_ALARM            (0x1u <<  1)    /* Alarm Flag */
    #define RTC_SR_SECEV            (0x1u <<  2)    /* Second Event */
    #define RTC_SR_TIMEV            (0x1u <<  3)    /* Time Event */
    #define RTC_SR_CALEV            (0x1u <<  4)    /* Calendar event */
    
    /* VER */
    
    #define RTC_VER_NVTIM           (0x1 << 0)      /* Non-valid time */
    #define RTC_VER_NVCAL           (0x1 << 1)      /* Non-valid calendar */
   #define RTC_VER_NVTIMALR        (0x1 << 2)      /* Non-valid time alarm */
   #define RTC_VER_NVCALALR        (0x1 << 3)      /* Non-valid calendar alarm */
   
   #endif /* ARM_AT91_AT91_RTCREG_H */

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