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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 */