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Annotation of sys/arch/sgi/dev/mavbreg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: mavbreg.h,v 1.1 2005/01/02 19:25:41 kettenis Exp $    */
                      2:
                      3: /*
                      4:  * Copyright (c) 2005 Mark Kettenis
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: /*
                     20:  * MACE Moosehead A/V Board register definitions.
                     21:  */
                     22:
                     23: #define MAVB_CONTROL                           0x00
                     24: #define  MAVB_CONTROL_RESET                    0x0000000000000001
                     25: #define  MAVB_CONTROL_CODEC_PRESENT            0x0000000000000002
                     26: #define  MAVB_CONTROL_VOLUME_BUTTON_UP         0x0000000001000000
                     27: #define  MAVB_CONTROL_VOLUME_BUTTON_DOWN       0x0000000000800000
                     28:
                     29: #define MAVB_CODEC_CONTROL                     0x08
                     30: #define  MAVB_CODEC_READ                       0x0000000000010000
                     31: #define  MAVB_CODEC_WORD_SHIFT                 0
                     32: #define  MAVB_CODEC_WORD_MASK                  0x000000000000ffff
                     33: #define  MAVB_CODEC_ADDRESS_SHIFT              17
                     34: #define  MAVB_CODEC_ADDRESS_MASK               0x000000000000001f
                     35:
                     36: #define MAVB_CODEC_STATUS                      0x18
                     37: #define MAVB_CHANNEL1_CONTROL                  0x20
                     38: #define MAVB_CHANNEL2_CONTROL                  0x40
                     39: #define MAVB_CHANNEL3_CONTROL                  0x60
                     40: #define  MAVB_CHANNEL_RESET                    0x0000000000000400
                     41: #define  MAVB_CHANNEL_DMA_ENABLE               0x0000000000000200
                     42: #define  MAVB_CHANNEL_INT_DISABLED             0x0000000000000000
                     43: #define  MAVB_CHANNEL_INT_25                   0x0000000000000020
                     44: #define  MAVB_CHANNEL_INT_50                   0x0000000000000040
                     45: #define  MAVB_CHANNEL_INT_75                   0x0000000000000060
                     46: #define  MAVB_CHANNEL_INT_EMPTY                        0x0000000000000080
                     47: #define  MAVB_CHANNEL_INT_NOT_EMPTY            0x00000000000000a0
                     48: #define  MAVB_CHANNEL_INT_FULL                 0x00000000000000c0
                     49: #define  MAVB_CHANNEL_INT_NOT_FULL             0x00000000000000e0
                     50:
                     51: #define MAVB_CHANNEL1_READ_PTR                 0x28
                     52: #define MAVB_CHANNEL1_WRITE_PTR                        0x30
                     53: #define MAVB_CHANNEL1_DEPTH                    0x38
                     54: #define MAVB_CHANNEL2_READ_PTR                 0x48
                     55: #define MAVB_CHANNEL2_WRITE_PTR                        0x50
                     56: #define MAVB_CHANNEL2_DEPTH                    0x58
                     57:
                     58: #define MAVB_NREGS                             0x80