Annotation of sys/dev/ic/apcdmareg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: apcdmareg.h,v 1.2 2003/06/02 18:53:18 jason Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2001 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: * Definitions for Sun APC DMA controller.
! 31: */
! 32:
! 33: /* APC DMA registers */
! 34: #define APC_CSR 0x0010 /* control/status */
! 35: #define APC_CVA 0x0020 /* capture virtual address */
! 36: #define APC_CC 0x0024 /* capture count */
! 37: #define APC_CNVA 0x0028 /* capture next virtual address */
! 38: #define APC_CNC 0x002c /* capture next count */
! 39: #define APC_PVA 0x0030 /* playback virtual address */
! 40: #define APC_PC 0x0034 /* playback count */
! 41: #define APC_PNVA 0x0038 /* playback next virtual address */
! 42: #define APC_PNC 0x003c /* playback next count */
! 43:
! 44: /*
! 45: * APC DMA Register definitions
! 46: */
! 47: #define APC_CSR_RESET 0x00000001 /* reset */
! 48: #define APC_CSR_CDMA_GO 0x00000004 /* capture dma go */
! 49: #define APC_CSR_PDMA_GO 0x00000008 /* playback dma go */
! 50: #define APC_CSR_CODEC_RESET 0x00000020 /* codec reset */
! 51: #define APC_CSR_CPAUSE 0x00000040 /* capture dma pause */
! 52: #define APC_CSR_PPAUSE 0x00000080 /* playback dma pause */
! 53: #define APC_CSR_CMIE 0x00000100 /* capture pipe empty enb */
! 54: #define APC_CSR_CMI 0x00000200 /* capture pipe empty intr */
! 55: #define APC_CSR_CD 0x00000400 /* capture nva dirty */
! 56: #define APC_CSR_CM 0x00000800 /* capture data lost */
! 57: #define APC_CSR_PMIE 0x00001000 /* pb pipe empty intr enable */
! 58: #define APC_CSR_PD 0x00002000 /* pb nva dirty */
! 59: #define APC_CSR_PM 0x00004000 /* pb pipe empty */
! 60: #define APC_CSR_PMI 0x00008000 /* pb pipe empty interrupt */
! 61: #define APC_CSR_EIE 0x00010000 /* error interrupt enable */
! 62: #define APC_CSR_CIE 0x00020000 /* capture intr enable */
! 63: #define APC_CSR_PIE 0x00040000 /* playback intr enable */
! 64: #define APC_CSR_GIE 0x00080000 /* general intr enable */
! 65: #define APC_CSR_EI 0x00100000 /* error interrupt */
! 66: #define APC_CSR_CI 0x00200000 /* capture interrupt */
! 67: #define APC_CSR_PI 0x00400000 /* playback interrupt */
! 68: #define APC_CSR_GI 0x00800000 /* general interrupt */
! 69:
! 70: #define APC_CSR_PLAY ( \
! 71: APC_CSR_EI | \
! 72: APC_CSR_GIE | \
! 73: APC_CSR_PIE | \
! 74: APC_CSR_EIE | \
! 75: APC_CSR_PDMA_GO | \
! 76: APC_CSR_PMIE )
! 77:
! 78: #define APC_CSR_CAPTURE ( \
! 79: APC_CSR_EI | \
! 80: APC_CSR_GIE | \
! 81: APC_CSR_CIE | \
! 82: APC_CSR_EIE | \
! 83: APC_CSR_CDMA_GO )
! 84:
! 85: #define APC_CSR_PLAY_PAUSE (~( \
! 86: APC_CSR_PPAUSE | \
! 87: APC_CSR_GI | \
! 88: APC_CSR_PI | \
! 89: APC_CSR_CI | \
! 90: APC_CSR_EI | \
! 91: APC_CSR_PMI | \
! 92: APC_CSR_PMIE | \
! 93: APC_CSR_CMI | \
! 94: APC_CSR_CMIE ) )
! 95:
! 96: #define APC_CSR_CAPTURE_PAUSE (~( \
! 97: APC_CSR_PPAUSE | \
! 98: APC_CSR_GI | \
! 99: APC_CSR_PI | \
! 100: APC_CSR_CI | \
! 101: APC_CSR_EI | \
! 102: APC_CSR_PMI | \
! 103: APC_CSR_PMIE | \
! 104: APC_CSR_CMI | \
! 105: APC_CSR_CMIE ) )
! 106:
! 107: #define APC_CSR_INTR_MASK ( \
! 108: APC_CSR_GI | \
! 109: APC_CSR_PI | \
! 110: APC_CSR_CI | \
! 111: APC_CSR_EI | \
! 112: APC_CSR_PMI | \
! 113: APC_CSR_CMI )
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