/* $OpenBSD: cs4231reg.h,v 1.2 2002/01/11 22:12:18 jason Exp $ */ /* * Copyright (c) 1999 Jason L. Wright (jason@thought.net) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Jason L. Wright * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Driver for the CS4231 audio in some sun4m systems */ #define CS_TIMEOUT 90000 /* * CS4231 registers from CS web site and Solaris 2.6 includes. */ struct cs4231_regs { volatile u_int8_t iar; /* index address */ volatile u_int8_t _padding1[3]; /* reserved */ volatile u_int8_t idr; /* index data */ volatile u_int8_t _padding2[3]; /* reserved */ volatile u_int8_t status; /* status */ volatile u_int8_t _padding3[3]; /* reserved */ volatile u_int8_t pior; /* PIO data i/o */ volatile u_int8_t _padding4[3]; /* reserved */ volatile u_int32_t dma_csr; /* APC control/status */ volatile u_int32_t _padding5[3]; /* reserved */ volatile u_int32_t dma_cva; /* capture virtual addr */ volatile u_int32_t dma_cc; /* capture count */ volatile u_int32_t dma_cnva; /* capture next virtual addr */ volatile u_int32_t dma_cnc; /* capture next count */ volatile u_int32_t dma_pva; /* playback virtual addr */ volatile u_int32_t dma_pc; /* playback count */ volatile u_int32_t dma_pnva; /* playback next virtual addr */ volatile u_int32_t dma_pnc; /* playback next count */ };