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Annotation of sys/arch/mac68k/include/iop.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: iop.h,v 1.1 2006/01/22 13:53:16 miod Exp $    */
        !             2: /*     $NetBSD: iopreg.h,v 1.7 2005/12/11 12:18:03 christos Exp $      */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 2000 Allen Briggs.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. The name of the author may not be used to endorse or promote products
        !            17:  *    derived from this software without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            20:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            21:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            22:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            24:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            25:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            26:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            27:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            28:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            29:  */
        !            30:
        !            31: #define SCC_IOP                0
        !            32: #define ISM_IOP                1
        !            33:
        !            34: #define IOP_CS_BYPASS  0x01
        !            35: #define IOP_CS_AUTOINC 0x02
        !            36: #define IOP_CS_RUN     0x04
        !            37: #define IOP_CS_IRQ     0x08
        !            38: #define IOP_CS_INT0    0x10
        !            39: #define IOP_CS_INT1    0x20
        !            40: #define IOP_CS_HWINT   0x40
        !            41: #define IOP_CS_DMAINACT        0x80
        !            42:
        !            43: #define IOP_RESET      (IOP_CS_DMAINACT | IOP_CS_AUTOINC)
        !            44: #define IOP_BYPASS     \
        !            45:                (IOP_CS_BYPASS | IOP_CS_AUTOINC | IOP_CS_RUN | IOP_CS_DMAINACT)
        !            46: #define IOP_INTERRUPT  (IOP_CS_INT0 | IOP_CS_INT1)
        !            47:
        !            48: typedef struct {
        !            49:        volatile u_char ram_hi;
        !            50:        u_char          pad0;
        !            51:        volatile u_char ram_lo;
        !            52:        u_char          pad1;
        !            53:        volatile u_char control_status;
        !            54:        u_char          pad2[3];
        !            55:        volatile u_char data;
        !            56:        u_char          pad3[23];
        !            57:        union {
        !            58:                struct {
        !            59:                        volatile u_char sccb_cmd;
        !            60:                        u_char          pad0;
        !            61:                        volatile u_char scca_cmd;
        !            62:                        u_char          pad1;
        !            63:                        volatile u_char sccb_data;
        !            64:                        u_char          pad2;
        !            65:                        volatile u_char scca_data;
        !            66:                        u_char          pad3;
        !            67:                } scc;
        !            68:                struct {
        !            69:                        volatile u_char wdata;
        !            70:                        u_char          pad0;
        !            71:                        /* etc... */
        !            72:                } iwm;
        !            73:        } bypass;
        !            74: } IOPHW;
        !            75:
        !            76: void   iop_serial_compatible(void);