1 /* $NetBSD: tms320av110reg.h,v 1.3 1999/02/16 23:34:13 is Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Definitions for access to the TMS320AV110AV mpeg audio decoder. 41 * Based on the TMS320AV110 data sheet. 42 * 43 * Currently, only minimum support for audio output. For audio/video 44 * synchronization, more is needed. 45 */ 46 47 #ifndef _TMS320AV110_REG_H_ 48 #define _TMS320AV110_REG_H_ 49 50 /* symbolic registers and values */ 51 52 #define TAV_ANC 0x06 /* RO, 4 bytes */ 53 #define TAV_ANC_AV 0x6c /* RO */ 54 #define TAV_ATTEN_L 0x1e 55 #define TAV_ATTEN_R 0x20 56 #define TAV_AUD_ID 0x22 57 #define TAV_AUD_ID_EN 0x24 58 59 #define TAV_BALE_LIM 0x68 /* 2 bytes */ 60 #define TAV_BALF_LIM 0x6A /* 2 bytes */ 61 #define TAV_BUFF 0x12 /* RO, 2 bytes */ 62 63 #define TAV_CRC_ECM 0x2a 64 #define TAV_ECM_IGNORE 0 /* same for SYNC */ 65 #define TAV_ECM_MUTE 1 66 #define TAV_ECM_REPEAT 2 67 #define TAV_ECM_SKIP 3 68 69 #define TAV_DATAIN 0x18 /* WO */ 70 #define TAV_DIF 0x6f 71 72 #define TAV_DMPH 0x46 73 #define TAV_DRAM_EXT 0x3e /* RO */ 74 #define TAV_DRAM_SIZE(ext) ((ext) ? 131072 : 256) 75 #define TAV_DRAM_HSIZE(ext) ((ext) ? 65536 : 128) 76 77 #define TAV_FREE_FORM 0x14 /* RW, 11 bit */ 78 79 #define TAV_HEADER 0x5e /* RO, 4 bytes */ 80 81 #define TAV_INTR 0x1a /* RO, 2 bytes */ 82 #define TAV_INTR_EN 0x1c /* RW, 2 bytes */ 83 #define TAV_INTR_SYNCCHANGE 0x0001 84 #define TAV_INTR_HEADERVALID 0x0002 85 #define TAV_INTR_PTSVALID 0x0004 86 #define TAV_INTR_LOWWATER 0x0008 87 #define TAV_INTR_HIGHWATER 0x0010 88 #define TAV_INTR_CRCERROR 0x0020 89 #define TAV_INTR_ANCILLARY_VALID 0x0040 90 #define TAV_INTR_ANCILLARY_FULL 0x0080 91 #define TAV_INTR_PCM_OUTPUT_UNDERFLOW 0x0100 92 #define TAV_INTR_SAMPLING_FREQ_CHANGE 0x0200 93 #define TAV_INTR_DEEMPH_CHANGE 0x0400 94 #define TAV_INTR_SRC_DETECT 0x0800 95 96 #define TAV_IRC 0x78 /* RO, 33 bit */ 97 #define TAV_IRC_CNT 0x54 /* RO, 33 bit */ 98 #define TAV_IRC_LOAD 0x7e 99 100 #define TAV_LATENCY 0x3c 101 #define TAV_MUTE 0x30 102 103 #define TAV_PCM_DIV 0x6e 104 #define TAV_PCM_18 0x16 105 #define TAV_PCM_FS 0x44 /* RO */ 106 #define TAV_PCM_ORD 0x38 107 108 #define TAV_PLAY 0x2e 109 #define TAV_PTS 0x62 /* RO, 33 bits */ 110 #define TAV_REPEAT 0x34 111 #define TAV_RESET 0x40 112 #define TAV_RESTART 0x42 113 114 #define TAV_SRC 0x72 /* RO, 33 bits */ 115 #define TAV_SIN_EN 0x70 116 #define TAV_SKIP 0x32 117 118 #define TAV_STR_SEL 0x36 119 #define TAV_STR_SEL_MPEG_AUDIO_STREAM 0 120 #define TAV_STR_SEL_MPEG_AUDIO_PACKETS 1 121 #define TAV_STR_SEL_MPEG_SYSTEM_STREAM 2 122 #define TAV_STR_SEL_AUDIO_BYPASS 3 123 124 #define TAV_SYNC_ECM 0x2c /* see CRC_ECM */ 125 126 #define TAV_SYNC_ST 0x28 /* 0..3 */ 127 #define TAV_SYNC_ST_UNLOCKED 0 128 #define TAV_SYNC_ST_ATTEMPTING 2 129 #define TAV_SYNC_ST_LOCKED 3 130 131 #define TAV_VERSION 0x6d 132 133 #endif /* _TMS320AV110_REG_H_ */ 134