/* $NetBSD: mavbreg.h,v 1.1 2007/04/13 03:37:42 jmcneill Exp $ */
/* $OpenBSD: mavbreg.h,v 1.1 2005/01/02 19:25:41 kettenis Exp $ */

/*
* Copyright (c) 2005 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

/*
* MACE Moosehead A/V Board register definitions.
*/

#define MAVB_CONTROL                            0x00
#define  MAVB_CONTROL_RESET                     0x0000000000000001
#define  MAVB_CONTROL_CODEC_PRESENT             0x0000000000000002
#define  MAVB_CONTROL_VOLUME_BUTTON_UP          0x0000000001000000
#define  MAVB_CONTROL_VOLUME_BUTTON_DOWN        0x0000000000800000

#define MAVB_CODEC_CONTROL                      0x08
#define  MAVB_CODEC_READ                        0x0000000000010000
#define  MAVB_CODEC_WORD_SHIFT                  0
#define  MAVB_CODEC_WORD_MASK                   0x000000000000ffff
#define  MAVB_CODEC_ADDRESS_SHIFT               17
#define  MAVB_CODEC_ADDRESS_MASK                0x000000000000001f

#define MAVB_CODEC_STATUS                       0x18
#define MAVB_CHANNEL1_CONTROL                   0x20
#define MAVB_CHANNEL2_CONTROL                   0x40
#define MAVB_CHANNEL3_CONTROL                   0x60
#define  MAVB_CHANNEL_RESET                     0x0000000000000400
#define  MAVB_CHANNEL_DMA_ENABLE                0x0000000000000200
#define  MAVB_CHANNEL_INT_DISABLED              0x0000000000000000
#define  MAVB_CHANNEL_INT_25                    0x0000000000000020
#define  MAVB_CHANNEL_INT_50                    0x0000000000000040
#define  MAVB_CHANNEL_INT_75                    0x0000000000000060
#define  MAVB_CHANNEL_INT_EMPTY                 0x0000000000000080
#define  MAVB_CHANNEL_INT_NOT_EMPTY             0x00000000000000a0
#define  MAVB_CHANNEL_INT_FULL                  0x00000000000000c0
#define  MAVB_CHANNEL_INT_NOT_FULL              0x00000000000000e0

#define MAVB_CHANNEL1_READ_PTR                  0x28
#define MAVB_CHANNEL1_WRITE_PTR                 0x30
#define MAVB_CHANNEL1_DEPTH                     0x38
#define MAVB_CHANNEL2_READ_PTR                  0x48
#define MAVB_CHANNEL2_WRITE_PTR                 0x50
#define MAVB_CHANNEL2_DEPTH                     0x58

#define MAVB_NREGS                              0x80

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