usr/src/uts/sun4u/sys/todm5819p.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 2002-2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _TODM5819P_H
  28 #define _TODM5819P_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 extern  volatile uint8_t *v_rtc_data_reg;
  38
  39 #ifdef  DEBUG
  40 #include <sys/promif.h>
  41 #define DPRINTF if (m5819p_debug_flags) prom_printf
  42 #else
  43 #define DPRINTF
  44 #endif /* DEBUG */
  45
  46 #define M5819P_ADDR_REG         *(volatile uint8_t *)v_rtc_addr_reg
  47 #define M5819P_DATA_REG         *(volatile uint8_t *)v_rtc_data_reg
  48
  49 /*
  50  * Definitions for Real Time Clock driver (ALI M5819P chip).
  51  */
  52 #define RTC_SEC         0x0     /* Seconds */
  53 #define RTC_ASEC        0x1     /* Seconds Alarm */
  54 #define RTC_MIN         0x2     /* Minutes */
  55 #define RTC_AMIN        0x3     /* Minutes Alarm */
  56 #define RTC_HRS         0x4     /* Hours */
  57 #define RTC_AHRS        0x5     /* Hours Alarm */
  58 #define RTC_DOW         0x6     /* Day-of-Week */
  59 #define RTC_DOM         0x7     /* Day-of-Month */
  60 #define RTC_MON         0x8     /* Month */
  61 #define RTC_YEAR        0x9     /* Year */
  62 #define RTC_CENTURY     0x32    /* Century */
  63
  64
  65 #define RTC_A           0xa     /* Control Register A */
  66 #define RTC_B           0xb     /* Control Register B */
  67 #define RTC_C           0xc     /* Control Register C */
  68 #define RTC_D           0xd     /* Control Register D */
  69
  70 /*
  71  * Control register A definitions
  72  */
  73 #define RTC_RS          0x0f    /* Rate select for periodic interrupt */
  74 #define RTC_DIV         0x70    /* Divider control */
  75 #define RTC_UIP         0x80    /* Update in progress bit */
  76
  77 #define RTC_DIV_OPERATE 0x50    /* dividor value for operate mode */
  78
  79 /*
  80  * Control register B definitions
  81  */
  82 #define RTC_DSE         0x01    /* Daylight Savings Enable */
  83 #define RTC_HM          0x02    /* Hour mode, 1 = 24 hour, 0 = 12 hour */
  84 #define RTC_DM          0x04    /* Date mode, 1 = binary, 0 = BCD */
  85 #define RTC_UIE         0x10    /* Update-ended Interrupt Enable */
  86 #define RTC_AIE         0x20    /* Alarm Interrupt Enable */
  87 #define RTC_PIE         0x40    /* Periodic Interrupt Enable */
  88 #define RTC_SET         0x80    /* Stop updates for time set */
  89
  90 /*
  91  * Control Register C definitions
  92  */
  93 #define RTC_UF          0x10    /* UF flag bit */
  94 #define RTC_AF          0x20    /* AF flag bit */
  95 #define RTC_PF          0x40    /* PF flag bit */
  96 #define RTC_IRQF        0x80    /* IRQ flag */
  97
  98 /*
  99  * Control Register D definitions
 100  */
 101 #define RTC_ADOM_REG    RTC_D
 102 #define RTC_ADOM        0x3f    /*  Day-of-Month Alarm */
 103
 104
 105 /*
 106  * The following two definitions are used in conjunction to wait
 107  * for the UIP bit to clear.
 108  */
 109 #define TODM5819_UIP_RETRY_THRESH       6
 110 #define TODM5819_UIP_WAIT_USEC          56
 111
 112
 113 struct  rtc_t {
 114         uint8_t rtc_sec;        /* seconds */
 115         uint8_t rtc_asec;       /* alarm seconds */
 116         uint8_t rtc_min;        /* mins */
 117         uint8_t rtc_amin;       /* alarm mins */
 118         uint8_t rtc_hrs;        /* hours */
 119         uint8_t rtc_ahrs;       /* alarm hours */
 120         uint8_t rtc_dow;        /* day of the week */
 121         uint8_t rtc_dom;        /* day of the month */
 122         uint8_t rtc_mon;        /* month */
 123         uint8_t rtc_year;       /* year */
 124         uint8_t rtc_rega;       /* REG A */
 125         uint8_t rtc_regb;       /* REG B */
 126         uint8_t rtc_regc;       /* REG C */
 127         uint8_t rtc_regd;       /* REG D */
 128         uint8_t rtc_century;    /* century */
 129         uint8_t rtc_adom;       /* alarm  day */
 130 };
 131
 132 #ifdef  __cplusplus
 133 }
 134 #endif
 135
 136 #endif  /* _TODM5819P_H */