Annotation of sys/dev/ic/intersil7170.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: intersil7170.h,v 1.1 1997/08/08 08:13:04 downsj Exp $ */
! 2: /* $NetBSD: intersil7170.h,v 1.1 1997/05/02 06:15:28 jeremy Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1996 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Adam Glass.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #ifndef _INTERSIL7170_H
! 41: #define _INTERSIL7170_H
! 42:
! 43: /*
! 44: * Driver support for the intersil7170 used in sun[34]s to provide
! 45: * real time clock and time-of-day support.
! 46: *
! 47: * Derived from: datasheet "ICM7170 a uP-Compatible Real-Time Clock"
! 48: * document #301680-005, Dec 85
! 49: */
! 50:
! 51: struct intersil_dt { /* from p. 7 of 10 */
! 52: u_int8_t dt_csec;
! 53: u_int8_t dt_hour;
! 54: u_int8_t dt_min;
! 55: u_int8_t dt_sec;
! 56: u_int8_t dt_month;
! 57: u_int8_t dt_day;
! 58: u_int8_t dt_year;
! 59: u_int8_t dt_dow;
! 60: };
! 61:
! 62: struct intersil7170 {
! 63: struct intersil_dt counters;
! 64: struct intersil_dt clk_ram; /* should be ok as both are word aligned */
! 65: u_int8_t clk_intr_reg;
! 66: u_int8_t clk_cmd_reg;
! 67: };
! 68:
! 69: /* bit assignments for command register, p. 6 of 10, write-only */
! 70: #define INTERSIL_CMD_FREQ_32K 0x0
! 71: #define INTERSIL_CMD_FREQ_1M 0x1
! 72: #define INTERSIL_CMD_FREQ_2M 0x2
! 73: #define INTERSIL_CMD_FREQ_4M 0x3
! 74:
! 75: #define INTERSIL_CMD_12HR_MODE 0x0
! 76: #define INTERSIL_CMD_24HR_MODE 0x4
! 77:
! 78: #define INTERSIL_CMD_STOP 0x0
! 79: #define INTERSIL_CMD_RUN 0x8
! 80:
! 81: #define INTERSIL_CMD_IDISABLE 0x0
! 82: #define INTERSIL_CMD_IENABLE 0x10
! 83:
! 84: #define INTERSIL_CMD_TEST_MODE 0x20
! 85: #define INTERSIL_CMD_NORMAL_MODE 0x0
! 86:
! 87: /* bit assignments for interrupt register r/w, p 7 of 10*/
! 88:
! 89: #define INTERSIL_INTER_ALARM 0x1 /* r/w */
! 90: #define INTERSIL_INTER_CSECONDS 0x2 /* r/w */
! 91: #define INTERSIL_INTER_DSECONDS 0x4 /* r/w */
! 92: #define INTERSIL_INTER_SECONDS 0x8 /* r/w */
! 93: #define INTERSIL_INTER_MINUTES 0x10 /* r/w */
! 94: #define INTERSIL_INTER_HOURS 0x20 /* r/w */
! 95: #define INTERSIL_INTER_DAYS 0x40 /* r/w */
! 96: #define INTERSIL_INTER_PENDING 0x80 /* read-only */
! 97:
! 98: #define INTERSIL_INTER_BITS "\20\10PENDING\7DAYS\6HRS\5MIN\4SCDS\3DSEC\2CSEC\1ALARM"
! 99:
! 100: #endif /* _INTERSIL7170_H */
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