2004-10-25 10:29:57 +00:00
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/* $FreeBSD$ */
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/* $OpenBSD: apcdmareg.h,v 1.2 2003/06/02 18:53:18 jason Exp $ */
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2005-01-06 01:43:34 +00:00
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/*-
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2004-10-25 10:29:57 +00:00
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* Copyright (c) 2001 Jason L. Wright (jason@thought.net)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Definitions for Sun APC DMA controller.
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*/
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/* APC DMA registers */
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#define APC_CSR 0x0010 /* control/status */
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#define APC_CVA 0x0020 /* capture virtual address */
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#define APC_CC 0x0024 /* capture count */
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#define APC_CNVA 0x0028 /* capture next virtual address */
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#define APC_CNC 0x002c /* capture next count */
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#define APC_PVA 0x0030 /* playback virtual address */
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#define APC_PC 0x0034 /* playback count */
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#define APC_PNVA 0x0038 /* playback next virtual address */
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#define APC_PNC 0x003c /* playback next count */
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/*
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* APC DMA Register definitions
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*/
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#define APC_CSR_RESET 0x00000001 /* reset */
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#define APC_CSR_CDMA_GO 0x00000004 /* capture dma go */
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#define APC_CSR_PDMA_GO 0x00000008 /* playback dma go */
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#define APC_CSR_CODEC_RESET 0x00000020 /* codec reset */
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#define APC_CSR_CPAUSE 0x00000040 /* capture dma pause */
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#define APC_CSR_PPAUSE 0x00000080 /* playback dma pause */
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#define APC_CSR_CMIE 0x00000100 /* capture pipe empty enb */
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#define APC_CSR_CMI 0x00000200 /* capture pipe empty intr */
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#define APC_CSR_CD 0x00000400 /* capture nva dirty */
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#define APC_CSR_CM 0x00000800 /* capture data lost */
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#define APC_CSR_PMIE 0x00001000 /* pb pipe empty intr enable */
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#define APC_CSR_PD 0x00002000 /* pb nva dirty */
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#define APC_CSR_PM 0x00004000 /* pb pipe empty */
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#define APC_CSR_PMI 0x00008000 /* pb pipe empty interrupt */
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#define APC_CSR_EIE 0x00010000 /* error interrupt enable */
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#define APC_CSR_CIE 0x00020000 /* capture intr enable */
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#define APC_CSR_PIE 0x00040000 /* playback intr enable */
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#define APC_CSR_GIE 0x00080000 /* general intr enable */
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#define APC_CSR_EI 0x00100000 /* error interrupt */
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#define APC_CSR_CI 0x00200000 /* capture interrupt */
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#define APC_CSR_PI 0x00400000 /* playback interrupt */
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#define APC_CSR_GI 0x00800000 /* general interrupt */
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#define APC_CSR_PLAY ( \
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APC_CSR_EI | \
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APC_CSR_GIE | \
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APC_CSR_PIE | \
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APC_CSR_EIE | \
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APC_CSR_PDMA_GO | \
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APC_CSR_PMIE )
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#define APC_CSR_CAPTURE ( \
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APC_CSR_EI | \
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APC_CSR_GIE | \
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APC_CSR_CIE | \
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APC_CSR_EIE | \
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APC_CSR_CDMA_GO )
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#define APC_CSR_PLAY_PAUSE (~( \
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APC_CSR_PPAUSE | \
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APC_CSR_GI | \
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APC_CSR_PI | \
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APC_CSR_CI | \
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APC_CSR_EI | \
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APC_CSR_PMI | \
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APC_CSR_PMIE | \
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APC_CSR_CMI | \
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APC_CSR_CMIE ) )
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#define APC_CSR_CAPTURE_PAUSE (~( \
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APC_CSR_PPAUSE | \
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APC_CSR_GI | \
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APC_CSR_PI | \
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APC_CSR_CI | \
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APC_CSR_EI | \
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APC_CSR_PMI | \
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APC_CSR_PMIE | \
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APC_CSR_CMI | \
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APC_CSR_CMIE ) )
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#define APC_CSR_INTR_MASK ( \
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APC_CSR_GI | \
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APC_CSR_PI | \
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APC_CSR_CI | \
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APC_CSR_EI | \
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APC_CSR_PMI | \
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APC_CSR_CMI )
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