usr/src/uts/sun4u/sys/todbq4802.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _TODBQ4802_H
  28 #define _TODBQ4802_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 extern  char    *v_rtc_addr_reg;
  37
  38 #ifdef  DEBUG
  39 #include <sys/promif.h>
  40 #define DPRINTF if (bq4802_debug_flags) prom_printf
  41 #else
  42 #define DPRINTF
  43 #endif  /* DEBUG */
  44
  45 #define BQ4802_DATA_REG(x)      (*(volatile uint8_t *)(v_rtc_addr_reg + x))
  46
  47 /*
  48  * Definitions for Real Time Clock driver (TI BQ4802 chip).
  49  */
  50 #define RTC_SEC         0x0     /* Seconds */
  51 #define RTC_ASEC        0x1     /* Seconds Alarm */
  52 #define RTC_MIN         0x2     /* Minutes */
  53 #define RTC_AMIN        0x3     /* Minutes Alarm */
  54 #define RTC_HRS         0x4     /* Hours */
  55 #define RTC_AHRS        0x5     /* Hours Alarm */
  56 #define RTC_DOM         0x6     /* Day-of-Month */
  57 #define RTC_ADOM        0x7     /* Day-of-Month Alarm */
  58 #define RTC_DOW         0x8     /* Day-of-Week */
  59 #define RTC_MON         0x9     /* Month */
  60 #define RTC_YEAR        0xa     /* Year */
  61 #define RTC_CENTURY     0xf     /* Century */
  62
  63 #define RTC_RATES       0xb     /* Control Register B */
  64 #define RTC_ENABLES     0xc     /* Control Register C */
  65 #define RTC_FLAGS       0xd     /* Control Register D */
  66 #define RTC_CNTRL       0xe     /* Control Register E */
  67
  68 /*
  69  * Control register B definitions
  70  */
  71 #define RTC_RS          0x0f    /* Rate select for periodic interrupt */
  72 #define RTC_WD          0x70    /* Watchdog time-out rate */
  73
  74 /*
  75  * Control register C definitions
  76  */
  77 #define RTC_ABE         0x01    /* Alarm Int. Enable in Battery-backup Mode */
  78 #define RTC_PWRIE       0x02    /* Power-fail Interrupt Enable */
  79 #define RTC_PIE         0x04    /* Periodic Interrupt Enable */
  80 #define RTC_AIE         0x08    /* Alarm Interrupt Enable */
  81
  82 /*
  83  * Control Register D definitions
  84  */
  85 #define RTC_BVF         0x01    /* Battery-valid flag */
  86 #define RTC_PWRF        0x02    /* Power-fail Interrupt flag */
  87 #define RTC_PF          0x04    /* Periodic Interrupt flag */
  88 #define RTC_AF          0x08    /* Alarm Interrupt flag */
  89
  90 /*
  91  * Control Register E definitions
  92  */
  93 #define RTC_DSE         0x01    /* Daylight Savings Enable */
  94 #define RTC_HM          0x02    /* Hour mode, 1 = 24 hour, 0 = 12 hour */
  95 #define RTC_STOP_N      0x04    /* Oscillator Stop and Start */
  96 #define RTC_UTI         0x08    /* Update Transfer Inhibit */
  97
  98 struct  rtc_t {
  99         uint8_t rtc_sec;        /* seconds */
 100         uint8_t rtc_asec;       /* alarm seconds */
 101         uint8_t rtc_min;        /* mins */
 102         uint8_t rtc_amin;       /* alarm mins */
 103         uint8_t rtc_hrs;        /* hours */
 104         uint8_t rtc_ahrs;       /* alarm hours */
 105         uint8_t rtc_dom;        /* day of the month */
 106         uint8_t rtc_adom;       /* alarm day of the month */
 107         uint8_t rtc_dow;        /* day of the week */
 108         uint8_t rtc_mon;        /* month */
 109         uint8_t rtc_year;       /* year */
 110         uint8_t rtc_rates;      /* rates */
 111         uint8_t rtc_enables;    /* enables */
 112         uint8_t rtc_flags;      /* flags */
 113         uint8_t rtc_control;    /* control */
 114         uint8_t rtc_century;    /* century */
 115 };
 116
 117 #ifdef  __cplusplus
 118 }
 119 #endif
 120
 121 #endif  /* _TODBQ4802_H */