sys/dev/ic/tms320av110reg.h

   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Definitions for access to the TMS320AV110AV mpeg audio decoder.
  34  * Based on the TMS320AV110 data sheet.
  35  *
  36  * Currently, only minimum support for audio output. For audio/video
  37  * synchronization, more is needed.
  38  */
  39
  40 #ifndef _TMS320AV110_REG_H_
  41 #define _TMS320AV110_REG_H_
  42
  43 /* symbolic registers and values */
  44
  45 #define TAV_ANC                         0x06    /* RO, 4 bytes */
  46 #define TAV_ANC_AV                      0x6c    /* RO */
  47 #define TAV_ATTEN_L                     0x1e
  48 #define TAV_ATTEN_R                     0x20
  49 #define TAV_AUD_ID                      0x22
  50 #define TAV_AUD_ID_EN                   0x24
  51
  52 #define TAV_BALE_LIM                    0x68    /* 2 bytes */
  53 #define TAV_BALF_LIM                    0x6A    /* 2 bytes */
  54 #define TAV_BUFF                        0x12    /* RO, 2 bytes */
  55
  56 #define TAV_CRC_ECM                     0x2a
  57 #define TAV_ECM_IGNORE                          0       /* same for SYNC */
  58 #define TAV_ECM_MUTE                            1
  59 #define TAV_ECM_REPEAT                          2
  60 #define TAV_ECM_SKIP                            3
  61
  62 #define TAV_DATAIN                      0x18    /* WO */
  63 #define TAV_DIF                         0x6f
  64
  65 #define TAV_DMPH                        0x46
  66 #define TAV_DRAM_EXT                    0x3e    /* RO */
  67 #define TAV_DRAM_SIZE(ext) ((ext) ? 131072 : 256)
  68 #define TAV_DRAM_HSIZE(ext) ((ext) ? 65536 : 128)
  69
  70 #define TAV_FREE_FORM                   0x14    /* RW, 11 bit */
  71
  72 #define TAV_HEADER                      0x5e    /* RO, 4 bytes */
  73
  74 #define TAV_INTR                        0x1a    /* RO, 2 bytes */
  75 #define TAV_INTR_EN                     0x1c    /* RW, 2 bytes */
  76 #define TAV_INTR_SYNCCHANGE                     0x0001
  77 #define TAV_INTR_HEADERVALID                    0x0002
  78 #define TAV_INTR_PTSVALID                       0x0004
  79 #define TAV_INTR_LOWWATER                       0x0008
  80 #define TAV_INTR_HIGHWATER                      0x0010
  81 #define TAV_INTR_CRCERROR                       0x0020
  82 #define TAV_INTR_ANCILLARY_VALID                0x0040
  83 #define TAV_INTR_ANCILLARY_FULL                 0x0080
  84 #define TAV_INTR_PCM_OUTPUT_UNDERFLOW           0x0100
  85 #define TAV_INTR_SAMPLING_FREQ_CHANGE           0x0200
  86 #define TAV_INTR_DEEMPH_CHANGE                  0x0400
  87 #define TAV_INTR_SRC_DETECT                     0x0800
  88
  89 #define TAV_IRC                         0x78    /* RO, 33 bit */
  90 #define TAV_IRC_CNT                     0x54    /* RO, 33 bit */
  91 #define TAV_IRC_LOAD                    0x7e
  92
  93 #define TAV_LATENCY                     0x3c
  94 #define TAV_MUTE                        0x30
  95
  96 #define TAV_PCM_DIV                     0x6e
  97 #define TAV_PCM_18                      0x16
  98 #define TAV_PCM_FS                      0x44    /* RO */
  99 #define TAV_PCM_ORD                     0x38
 100
 101 #define TAV_PLAY                        0x2e
 102 #define TAV_PTS                         0x62    /* RO, 33 bits */
 103 #define TAV_REPEAT                      0x34
 104 #define TAV_RESET                       0x40
 105 #define TAV_RESTART                     0x42
 106
 107 #define TAV_SRC                         0x72    /* RO, 33 bits */
 108 #define TAV_SIN_EN                      0x70
 109 #define TAV_SKIP                        0x32
 110
 111 #define TAV_STR_SEL                     0x36
 112 #define TAV_STR_SEL_MPEG_AUDIO_STREAM           0
 113 #define TAV_STR_SEL_MPEG_AUDIO_PACKETS          1
 114 #define TAV_STR_SEL_MPEG_SYSTEM_STREAM          2
 115 #define TAV_STR_SEL_AUDIO_BYPASS                3
 116
 117 #define TAV_SYNC_ECM                    0x2c    /* see CRC_ECM */
 118
 119 #define TAV_SYNC_ST                     0x28    /* 0..3 */
 120 #define TAV_SYNC_ST_UNLOCKED                    0
 121 #define TAV_SYNC_ST_ATTEMPTING                  2
 122 #define TAV_SYNC_ST_LOCKED                      3
 123
 124 #define TAV_VERSION                     0x6d
 125
 126 #endif /* _TMS320AV110_REG_H_ */