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Annotation of sys/arch/sparc/dev/cs4231reg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: cs4231reg.h,v 1.4 2003/06/02 18:40:59 jason Exp $     */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1999 Jason L. Wright (jason@thought.net)
        !             5:  * All rights reserved.
        !             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:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            18:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            19:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            25:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            26:  * POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: /*
        !            30:  * Driver for the CS4231 audio in some sun4m systems
        !            31:  */
        !            32:
        !            33: /*
        !            34:  * CS4231 registers from CS web site and Solaris 2.6 includes.
        !            35:  */
        !            36: struct cs4231_regs {
        !            37:        volatile u_int8_t       iar;            /* index address */
        !            38:        volatile u_int8_t       _padding1[3];   /* reserved */
        !            39:        volatile u_int8_t       idr;            /* index data */
        !            40:        volatile u_int8_t       _padding2[3];   /* reserved */
        !            41:        volatile u_int8_t       status;         /* status */
        !            42:        volatile u_int8_t       _padding3[3];   /* reserved */
        !            43:        volatile u_int8_t       pior;           /* PIO data i/o */
        !            44:        volatile u_int8_t       _padding4[3];   /* reserved */
        !            45:        volatile u_int32_t      dma_csr;        /* APC control/status */
        !            46:        volatile u_int32_t      _padding5[3];   /* reserved */
        !            47:        volatile u_int32_t      dma_cva;        /* capture virtual addr */
        !            48:        volatile u_int32_t      dma_cc;         /* capture count */
        !            49:        volatile u_int32_t      dma_cnva;       /* capture next virtual addr */
        !            50:        volatile u_int32_t      dma_cnc;        /* capture next count */
        !            51:        volatile u_int32_t      dma_pva;        /* playback virtual addr */
        !            52:        volatile u_int32_t      dma_pc;         /* playback count */
        !            53:        volatile u_int32_t      dma_pnva;       /* playback next virtual addr */
        !            54:        volatile u_int32_t      dma_pnc;        /* playback next count */
        !            55: };