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Annotation of sys/arch/sparc/dev/cs4231reg.h, Revision 1.1.1.1

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: };