1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/* $OpenBSD: apcdmareg.h,v 1.1 2001/10/01 03:31:03 jason Exp $ */
/*
* Copyright (c) 2001 Jason L. Wright (jason@thought.net)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jason L. Wright
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Definitions for Sun APC DMA controller.
*/
/* APC DMA registers */
#define APC_CSR 0x0010 /* control/status */
#define APC_CVA 0x0020 /* capture virtual address */
#define APC_CC 0x0024 /* capture count */
#define APC_CNVA 0x0028 /* capture next virtual address */
#define APC_CNC 0x002c /* capture next count */
#define APC_PVA 0x0030 /* playback virtual address */
#define APC_PC 0x0034 /* playback count */
#define APC_PNVA 0x0038 /* playback next virtual address */
#define APC_PNC 0x003c /* playback next count */
/*
* APC DMA Register definitions
*/
#define APC_CSR_RESET 0x00000001 /* reset */
#define APC_CSR_CDMA_GO 0x00000004 /* capture dma go */
#define APC_CSR_PDMA_GO 0x00000008 /* playback dma go */
#define APC_CSR_CODEC_RESET 0x00000020 /* codec reset */
#define APC_CSR_CPAUSE 0x00000040 /* capture dma pause */
#define APC_CSR_PPAUSE 0x00000080 /* playback dma pause */
#define APC_CSR_CMIE 0x00000100 /* capture pipe empty enb */
#define APC_CSR_CMI 0x00000200 /* capture pipe empty intr */
#define APC_CSR_CD 0x00000400 /* capture nva dirty */
#define APC_CSR_CM 0x00000800 /* capture data lost */
#define APC_CSR_PMIE 0x00001000 /* pb pipe empty intr enable */
#define APC_CSR_PD 0x00002000 /* pb nva dirty */
#define APC_CSR_PM 0x00004000 /* pb pipe empty */
#define APC_CSR_PMI 0x00008000 /* pb pipe empty interrupt */
#define APC_CSR_EIE 0x00010000 /* error interrupt enable */
#define APC_CSR_CIE 0x00020000 /* capture intr enable */
#define APC_CSR_PIE 0x00040000 /* playback intr enable */
#define APC_CSR_GIE 0x00080000 /* general intr enable */
#define APC_CSR_EI 0x00100000 /* error interrupt */
#define APC_CSR_CI 0x00200000 /* capture interrupt */
#define APC_CSR_PI 0x00400000 /* playback interrupt */
#define APC_CSR_GI 0x00800000 /* general interrupt */
#define APC_CSR_PLAY ( \
APC_CSR_EI | \
APC_CSR_GIE | \
APC_CSR_PIE | \
APC_CSR_EIE | \
APC_CSR_PDMA_GO | \
APC_CSR_PMIE )
#define APC_CSR_CAPTURE ( \
APC_CSR_EI | \
APC_CSR_GIE | \
APC_CSR_CIE | \
APC_CSR_EIE | \
APC_CSR_CDMA_GO )
#define APC_CSR_PLAY_PAUSE (~( \
APC_CSR_PPAUSE | \
APC_CSR_GI | \
APC_CSR_PI | \
APC_CSR_CI | \
APC_CSR_EI | \
APC_CSR_PMI | \
APC_CSR_PMIE | \
APC_CSR_CMI | \
APC_CSR_CMIE ) )
#define APC_CSR_CAPTURE_PAUSE (~( \
APC_CSR_PPAUSE | \
APC_CSR_GI | \
APC_CSR_PI | \
APC_CSR_CI | \
APC_CSR_EI | \
APC_CSR_PMI | \
APC_CSR_PMIE | \
APC_CSR_CMI | \
APC_CSR_CMIE ) )
#define APC_CSR_INTR_MASK ( \
APC_CSR_GI | \
APC_CSR_PI | \
APC_CSR_CI | \
APC_CSR_EI | \
APC_CSR_PMI | \
APC_CSR_CMI )
|
