Annotation of sys/dev/ic/apcdmareg.h, Revision 1.1.1.1
1.1 nbrk 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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