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      1 /*	$NetBSD: tms320av110reg.h,v 1.4 2008/04/28 20:23:51 martin 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_ */
    127