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      1 /*	$NetBSD: s390reg.h,v 1.1 2011/04/04 17:58:40 phx Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2011 Frank Wille.
      5  * All rights reserved.
      6  *
      7  * Written by Frank Wille for The NetBSD Project.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _DEV_I2C_S390REG_H_
     32 #define _DEV_I2C_S390REG_H_
     33 
     34 /*
     35  * S-xx390A Real-Time Clock
     36  */
     37 
     38 #define S390_ADDR		0x30	/* Fixed I2C Slave Address */
     39 
     40 /* Registers are encoded into the slave address */
     41 #define S390_STATUS1		0
     42 #define S390_STATUS2		1
     43 #define S390_REALTIME1		2
     44 #define S390_REALTIME2		3
     45 #define S390_INT1_1		4
     46 #define S390_INT1_2		5
     47 #define S390_CLOCKADJ		6
     48 #define S390_FREE		7
     49 
     50 /* Status1 bits */
     51 #define S390_ST1_POC		(1 << 7)
     52 #define S390_ST1_BLD		(1 << 6)
     53 #define S390_ST1_24H		(1 << 1)
     54 #define S390_ST1_RESET		(1 << 0)
     55 
     56 /* Status2 bits */
     57 #define S390_ST2_TEST		(1 << 7)
     58 
     59 /* Realtime1 data bytes */
     60 #define S390_RT1_NBYTES		7
     61 #define S390_RT1_YEAR		0
     62 #define S390_RT1_MONTH		1
     63 #define S390_RT1_DAY		2
     64 #define S390_RT1_WDAY		3
     65 #define S390_RT1_HOUR		4
     66 #define S390_RT1_MINUTE		5
     67 #define S390_RT1_SECOND		6
     68 
     69 #endif /* _DEV_I2C_S390REG_H_ */
     70