Annotation of sys/arch/sparc/dev/cs4231reg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cs4231reg.h,v 1.4 2003/06/02 18:40:59 jason Exp $ */
2:
3: /*
4: * Copyright (c) 1999 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: * Driver for the CS4231 audio in some sun4m systems
31: */
32:
33: /*
34: * CS4231 registers from CS web site and Solaris 2.6 includes.
35: */
36: struct cs4231_regs {
37: volatile u_int8_t iar; /* index address */
38: volatile u_int8_t _padding1[3]; /* reserved */
39: volatile u_int8_t idr; /* index data */
40: volatile u_int8_t _padding2[3]; /* reserved */
41: volatile u_int8_t status; /* status */
42: volatile u_int8_t _padding3[3]; /* reserved */
43: volatile u_int8_t pior; /* PIO data i/o */
44: volatile u_int8_t _padding4[3]; /* reserved */
45: volatile u_int32_t dma_csr; /* APC control/status */
46: volatile u_int32_t _padding5[3]; /* reserved */
47: volatile u_int32_t dma_cva; /* capture virtual addr */
48: volatile u_int32_t dma_cc; /* capture count */
49: volatile u_int32_t dma_cnva; /* capture next virtual addr */
50: volatile u_int32_t dma_cnc; /* capture next count */
51: volatile u_int32_t dma_pva; /* playback virtual addr */
52: volatile u_int32_t dma_pc; /* playback count */
53: volatile u_int32_t dma_pnva; /* playback next virtual addr */
54: volatile u_int32_t dma_pnc; /* playback next count */
55: };
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