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Annotation of sys/dev/ic/hayespreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: hayespreg.h,v 1.2 1996/10/31 01:01:30 niklas Exp $    */
        !             2: /*     $NetBSD: hayespreg.h,v 1.1 1996/02/10 20:23:40 christos Exp $   */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1995  Sean E. Fagin, John M Vinopal.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. Neither the name of the author nor the names of contributors
        !            16:  *    may be used to endorse or promote products derived from this software
        !            17:  *    without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            29:  * SUCH DAMAGE.
        !            30:  */
        !            31:
        !            32: #ifndef _HAYESPREG_H_
        !            33: #define        _HAYESPREG_H_
        !            34:
        !            35: /*
        !            36:  * Definitions for Hayes ESP serial cards.
        !            37:  */
        !            38:
        !            39: /*
        !            40:  * CMD1 and CMD2 are the command ports, offsets from <hayesp_iobase>.
        !            41:  */
        !            42: #define        HAYESP_CMD1     4
        !            43: #define        HAYESP_CMD2     5
        !            44:
        !            45: /*
        !            46:  * STAT1 and STAT2 are to get return values and status bytes
        !            47:  */
        !            48: #define        HAYESP_STATUS1  HAYESP_CMD1
        !            49: #define        HAYESP_STATUS2  HAYESP_CMD2
        !            50:
        !            51: /*
        !            52:  * Commands.  Commands are given by writing the command value to
        !            53:  * HAYESP_CMD1 and then writing or reading some number of bytes from
        !            54:  * HAYESP_CMD2 or HAYESP_STATUS2.
        !            55:  */
        !            56: #define        HAYESP_GETTEST          0x01    /* self-test command (1b+extras) */
        !            57: #define        HAYESP_GETDIPS          0x02    /* get on-board DIP switches (1b) */
        !            58: #define        HAYESP_SETFLOWTYPE      0x08    /* set type of flow-control (2b) */
        !            59: #define        HAYESP_SETRXFLOW        0x0a    /* set Rx FIFO " levels (4b) */
        !            60: #define        HAYESP_SETMODE          0x10    /* set board mode (1b) */
        !            61:
        !            62: /* Mode bits (HAYESP_SETMODE). */
        !            63: #define        HAYESP_MODE_FIFO        0x02    /* act like a 16550 (compat mode) */
        !            64: #define        HAYESP_MODE_RTS         0x04    /* use RTS hardware flow control */
        !            65: #define        HAYESP_MODE_SCALE       0x80    /* scale FIFO trigger levels */
        !            66:
        !            67: /* Flow control type bits (HAYESP_SETFLOWTYPE). */
        !            68: #define        HAYESP_FLOW_RTS 0x04    /* cmd1: local Rx sends RTS flow control */
        !            69: #define        HAYESP_FLOW_CTS 0x10    /* cmd2: local transmitter responds to CTS */
        !            70:
        !            71: /* Used by HAYESP_SETRXFLOW. */
        !            72: #define        HAYESP_RXHIWMARK        768
        !            73: #define        HAYESP_RXLOWMARK        512
        !            74: #define        HAYESP_HIBYTE(w)        (((w) >> 8) & 0xff)
        !            75: #define        HAYESP_LOBYTE(w)        ((w) & 0xff)
        !            76:
        !            77: #endif /* !_HAYESPREG_H_ */