1/* $NetBSD: vr4181dcureg.h,v 1.1 2003/05/01 07:02:04 igy Exp $ */
2
3/*
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Naoto Shimazaki of YOKOGAWA Electric Corporation.
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 *	VR4181 DCU (DMA Control Unit) Registers definitions.
34 *		dcu1 at 0x0a000020-0x0a000047
35 *		dcu2 at 0x0a000650-0x0a000667
36 *
37 */
38
39/* dcu1 registers */
40#define DCU_MICDEST1REG1_W	0x00	/* microphone destination 1 low */
41#define DCU_MICDEST1REG2_W	0x02	/* microphone destination 1 high */
42#define DCU_MICDEST2REG1_W	0x04	/* microphone destination 2 low */
43#define DCU_MICDEST2REG2_W	0x06	/* microphone destination 2 high */
44#define DCU_SPKRSRC1REG1_W	0x08	/* speaker destination 1 low */
45#define DCU_SPKRSRC1REG2_W	0x0a	/* speaker destination 1 high */
46#define DCU_SPKRSRC2REG1_W	0x0c	/* speaker destination 2 low */
47#define DCU_SPKRSRC2REG2_W	0x0e	/* speaker destination 2 high */
48#define DCU_DMARST_REG_W	0x20	/* DMA reset */
49#define  DCU_DMARST		0x0001	/* DMA reset */
50#define DCU_AIUDMAMSK_REG_W	0x26	/* audio DMA mask */
51#define  DCU_ENABLE_MIC		0x0008	/* enable microphone */
52#define  DCU_ENABLE_SPK		0x0004	/* enable speaker */
53
54/* dcu2 registers */
55#define DCU_MICRCLEN_REG_W	0x08	/* microphone record length */
56#define DCU_SPKRCLEN_REG_W	0x0a	/* speaker record length */
57#define DCU_MICDMACFG_REG_W	0x0e	/* microphone DMA configuration */
58#define  DCU_MICLOAD		0x0100
59#define DCU_SPKDMACFG_REG_W	0x10	/* speaker DMA configuration */
60#define  DCU_SPKLOAD		0x0001
61#define DCU_DMAITRQ_REG_W	0x12	/* DMA interrupt request */
62#define  DCU_SPKEOP		0x20
63#define  DCU_MICEOP		0x10
64#define DCU_DMACTL_REG_W	0x14	/* DMA control */
65#define  DCU_SPKCNT_MSK		0xc000
66#define  DCU_SPKCNT_INC		0x0000
67#define  DCU_SPKCNT_DEC		0x4000
68#define  DCU_MICCNT_MSK		0x3000
69#define  DCU_MICCNT_INC		0x0000
70#define  DCU_MICCNT_DEC		0x1000
71#define DCU_DMAITMK_REG_W	0x16	/* DMA interrupt mask */
72#define  DCU_SPKEOP_ENABLE	0x0020
73#define  DCU_MICEOP_ENABLE	0x0010
74