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tms320av110reg.h revision 1.1 
      1 /*	$NetBSD: tms320av110reg.h,v 1.1 1997/10/16 23:58:10 is Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 Ignatios Souvatzis. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. Neither the name of the author nor the names of contributors
     15  *    may be used to endorse or promote products derived from this software
     16  *    without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * Definitions for access to the TMS320AV110AV mpeg audio decoder.
     33  * Based on the TMS320AV110 data sheet.
     34  *
     35  * Currently, only minimum support for audio output. For audio/video
     36  * synchronization, more is needed.
     37  */
     38 
     39 #ifndef _TMS320AV110_REG_H_
     40 #define _TMS320AV110_REG_H_
     41 
     42 /* symbolic registers and values */
     43 
     44 #define TAV_ANC				0x06	/* RO, 4 bytes */
     45 #define TAV_ANC_AV			0x6c	/* RO */
     46 #define TAV_ATTEN_L			0x1e
     47 #define TAV_ATTEN_R			0x20
     48 #define TAV_AUD_ID			0x22
     49 #define TAV_AUD_ID_EN			0x24
     50 
     51 #define TAV_BALE_LIM			0x68	/* 2 bytes */
     52 #define TAV_BALF_LIM			0x6A	/* 2 bytes */
     53 #define TAV_BUFF			0x12	/* RO, 2 bytes */
     54 
     55 #define	TAV_CRC_ECM			0x2a
     56 #define TAV_ECM_IGNORE				0	/* same for SYNC */
     57 #define TAV_ECM_MUTE				1
     58 #define TAV_ECM_REPEAT				2
     59 #define TAV_ECM_SKIP				3
     60 
     61 #define TAV_DATAIN			0x18	/* WO */
     62 #define TAV_DIF				0x6f
     63 
     64 #define TAV_DMPH			0x46
     65 #define TAV_DRAM_EXT			0x3e	/* RO */
     66 #define TAV_DRAM_SIZE(ext) ((ext) ? 131072 : 256)
     67 #define TAV_DRAM_HSIZE(ext) ((ext) ? 65536 : 128)
     68 
     69 #define TAV_FREE_FORM			0x14	/* RW, 11 bit */
     70 
     71 #define TAV_HEADER			0x5e	/* RO, 4 bytes */
     72 
     73 #define TAV_INTR			0x1a	/* RO, 2 bytes */
     74 #define TAV_INTR_EN			0x1c	/* RW, 2 bytes */
     75 #define TAV_INTR_SYNCCHANGE			0x0001
     76 #define TAV_INTR_HEADERVALID			0x0002
     77 #define TAV_INTR_PTSVALID			0x0004
     78 #define TAV_INTR_LOWWATER			0x0008
     79 #define TAV_INTR_HIGHWATER			0x0010
     80 #define TAV_INTR_CRCERROR			0x0020
     81 #define TAV_INTR_ANCILLARY_VALID		0x0040
     82 #define TAV_INTR_ANCILLARY_FULL			0x0080
     83 #define TAV_INTR_PCM_OUTPUT_UNDERFLOW		0x0100
     84 #define TAV_INTR_SAMPLING_FREQ_CHANGE		0x0200
     85 #define TAV_INTR_DEEMPH_CHANGE			0x0400
     86 #define TAV_INTR_SRC_DETECT			0x0800
     87 
     88 #define TAV_IRC				0x78	/* RO, 33 bit */
     89 #define TAV_IRC_CNT			0x54	/* RO, 33 bit */
     90 #define TAV_IRC_LOAD			0x7e
     91 
     92 #define TAV_LATENCY			0x3c
     93 #define TAV_MUTE			0x30
     94 
     95 #define TAV_PCM_DIV			0x6e
     96 #define TAV_PCM_18			0x16
     97 #define TAV_PCM_FS			0x44	/* RO */
     98 #define TAV_PCM_ORD			0x38
     99 
    100 #define TAV_PLAY			0x2e
    101 #define TAV_PTS				0x62	/* RO, 33 bits */
    102 #define TAV_REPEAT			0x34
    103 #define TAV_RESET			0x40
    104 #define TAV_RESTART			0x42
    105 
    106 #define TAV_SRC				0x72	/* RO, 33 bits */
    107 #define TAV_SIN_EN			0x70
    108 #define TAV_SKIP			0x32
    109 
    110 #define TAV_STR_SEL			0x36
    111 #define TAV_STR_SEL_MPEG_AUDIO_STREAM		0
    112 #define TAV_STR_SEL_MPEG_AUDIO_PACKETS		1
    113 #define TAV_STR_SEL_MPEG_SYSTEM_STREAM		2
    114 #define TAV_STR_SEL_AUDIO_BYPASS		3
    115 
    116 #define TAV_SYNC_ECM			0x2c	/* see CRC_ECM */
    117 
    118 #define	TAV_SYNC_ST			0x28	/* 0..3 */
    119 #define	TAV_SYNC_ST_UNLOCKED			0
    120 #define	TAV_SYNC_ST_ATTEMPTING			2
    121 #define	TAV_SYNC_ST_LOCKED			3
    122 
    123 #define	TAV_VERSION			0x6d
    124 
    125 #endif /* _TMS320AV110_REG_H_ */
    126