xref: /netbsd/sys/dev/ic/tms320av110reg.h (revision 6550d01e)
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