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 ) 114