/* $OpenBSD: apcdmareg.h,v 1.2 2003/06/02 18:53:18 jason Exp $ */ /* * Copyright (c) 2001 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. * * 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. */ /* * Definitions for Sun APC DMA controller. */ /* APC DMA registers */ #define APC_CSR 0x0010 /* control/status */ #define APC_CVA 0x0020 /* capture virtual address */ #define APC_CC 0x0024 /* capture count */ #define APC_CNVA 0x0028 /* capture next virtual address */ #define APC_CNC 0x002c /* capture next count */ #define APC_PVA 0x0030 /* playback virtual address */ #define APC_PC 0x0034 /* playback count */ #define APC_PNVA 0x0038 /* playback next virtual address */ #define APC_PNC 0x003c /* playback next count */ /* * APC DMA Register definitions */ #define APC_CSR_RESET 0x00000001 /* reset */ #define APC_CSR_CDMA_GO 0x00000004 /* capture dma go */ #define APC_CSR_PDMA_GO 0x00000008 /* playback dma go */ #define APC_CSR_CODEC_RESET 0x00000020 /* codec reset */ #define APC_CSR_CPAUSE 0x00000040 /* capture dma pause */ #define APC_CSR_PPAUSE 0x00000080 /* playback dma pause */ #define APC_CSR_CMIE 0x00000100 /* capture pipe empty enb */ #define APC_CSR_CMI 0x00000200 /* capture pipe empty intr */ #define APC_CSR_CD 0x00000400 /* capture nva dirty */ #define APC_CSR_CM 0x00000800 /* capture data lost */ #define APC_CSR_PMIE 0x00001000 /* pb pipe empty intr enable */ #define APC_CSR_PD 0x00002000 /* pb nva dirty */ #define APC_CSR_PM 0x00004000 /* pb pipe empty */ #define APC_CSR_PMI 0x00008000 /* pb pipe empty interrupt */ #define APC_CSR_EIE 0x00010000 /* error interrupt enable */ #define APC_CSR_CIE 0x00020000 /* capture intr enable */ #define APC_CSR_PIE 0x00040000 /* playback intr enable */ #define APC_CSR_GIE 0x00080000 /* general intr enable */ #define APC_CSR_EI 0x00100000 /* error interrupt */ #define APC_CSR_CI 0x00200000 /* capture interrupt */ #define APC_CSR_PI 0x00400000 /* playback interrupt */ #define APC_CSR_GI 0x00800000 /* general interrupt */ #define APC_CSR_PLAY ( \ APC_CSR_EI | \ APC_CSR_GIE | \ APC_CSR_PIE | \ APC_CSR_EIE | \ APC_CSR_PDMA_GO | \ APC_CSR_PMIE ) #define APC_CSR_CAPTURE ( \ APC_CSR_EI | \ APC_CSR_GIE | \ APC_CSR_CIE | \ APC_CSR_EIE | \ APC_CSR_CDMA_GO ) #define APC_CSR_PLAY_PAUSE (~( \ APC_CSR_PPAUSE | \ APC_CSR_GI | \ APC_CSR_PI | \ APC_CSR_CI | \ APC_CSR_EI | \ APC_CSR_PMI | \ APC_CSR_PMIE | \ APC_CSR_CMI | \ APC_CSR_CMIE ) ) #define APC_CSR_CAPTURE_PAUSE (~( \ APC_CSR_PPAUSE | \ APC_CSR_GI | \ APC_CSR_PI | \ APC_CSR_CI | \ APC_CSR_EI | \ APC_CSR_PMI | \ APC_CSR_PMIE | \ APC_CSR_CMI | \ APC_CSR_CMIE ) ) #define APC_CSR_INTR_MASK ( \ APC_CSR_GI | \ APC_CSR_PI | \ APC_CSR_CI | \ APC_CSR_EI | \ APC_CSR_PMI | \ APC_CSR_CMI )
