FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/apcdmareg.h
1 /* $OpenBSD: apcdmareg.h,v 1.2 2003/06/02 18:53:18 jason Exp $ */
2
3 /*
4 * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 * Definitions for Sun APC DMA controller.
31 */
32
33 /* APC DMA registers */
34 #define APC_CSR 0x0010 /* control/status */
35 #define APC_CVA 0x0020 /* capture virtual address */
36 #define APC_CC 0x0024 /* capture count */
37 #define APC_CNVA 0x0028 /* capture next virtual address */
38 #define APC_CNC 0x002c /* capture next count */
39 #define APC_PVA 0x0030 /* playback virtual address */
40 #define APC_PC 0x0034 /* playback count */
41 #define APC_PNVA 0x0038 /* playback next virtual address */
42 #define APC_PNC 0x003c /* playback next count */
43
44 /*
45 * APC DMA Register definitions
46 */
47 #define APC_CSR_RESET 0x00000001 /* reset */
48 #define APC_CSR_CDMA_GO 0x00000004 /* capture dma go */
49 #define APC_CSR_PDMA_GO 0x00000008 /* playback dma go */
50 #define APC_CSR_CODEC_RESET 0x00000020 /* codec reset */
51 #define APC_CSR_CPAUSE 0x00000040 /* capture dma pause */
52 #define APC_CSR_PPAUSE 0x00000080 /* playback dma pause */
53 #define APC_CSR_CMIE 0x00000100 /* capture pipe empty enb */
54 #define APC_CSR_CMI 0x00000200 /* capture pipe empty intr */
55 #define APC_CSR_CD 0x00000400 /* capture nva dirty */
56 #define APC_CSR_CM 0x00000800 /* capture data lost */
57 #define APC_CSR_PMIE 0x00001000 /* pb pipe empty intr enable */
58 #define APC_CSR_PD 0x00002000 /* pb nva dirty */
59 #define APC_CSR_PM 0x00004000 /* pb pipe empty */
60 #define APC_CSR_PMI 0x00008000 /* pb pipe empty interrupt */
61 #define APC_CSR_EIE 0x00010000 /* error interrupt enable */
62 #define APC_CSR_CIE 0x00020000 /* capture intr enable */
63 #define APC_CSR_PIE 0x00040000 /* playback intr enable */
64 #define APC_CSR_GIE 0x00080000 /* general intr enable */
65 #define APC_CSR_EI 0x00100000 /* error interrupt */
66 #define APC_CSR_CI 0x00200000 /* capture interrupt */
67 #define APC_CSR_PI 0x00400000 /* playback interrupt */
68 #define APC_CSR_GI 0x00800000 /* general interrupt */
69
70 #define APC_CSR_PLAY ( \
71 APC_CSR_EI | \
72 APC_CSR_GIE | \
73 APC_CSR_PIE | \
74 APC_CSR_EIE | \
75 APC_CSR_PDMA_GO | \
76 APC_CSR_PMIE )
77
78 #define APC_CSR_CAPTURE ( \
79 APC_CSR_EI | \
80 APC_CSR_GIE | \
81 APC_CSR_CIE | \
82 APC_CSR_EIE | \
83 APC_CSR_CDMA_GO )
84
85 #define APC_CSR_PLAY_PAUSE (~( \
86 APC_CSR_PPAUSE | \
87 APC_CSR_GI | \
88 APC_CSR_PI | \
89 APC_CSR_CI | \
90 APC_CSR_EI | \
91 APC_CSR_PMI | \
92 APC_CSR_PMIE | \
93 APC_CSR_CMI | \
94 APC_CSR_CMIE ) )
95
96 #define APC_CSR_CAPTURE_PAUSE (~( \
97 APC_CSR_PPAUSE | \
98 APC_CSR_GI | \
99 APC_CSR_PI | \
100 APC_CSR_CI | \
101 APC_CSR_EI | \
102 APC_CSR_PMI | \
103 APC_CSR_PMIE | \
104 APC_CSR_CMI | \
105 APC_CSR_CMIE ) )
106
107 #define APC_CSR_INTR_MASK ( \
108 APC_CSR_GI | \
109 APC_CSR_PI | \
110 APC_CSR_CI | \
111 APC_CSR_EI | \
112 APC_CSR_PMI | \
113 APC_CSR_CMI )
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