Annotation of sys/arch/sparc/dev/cs4231var.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cs4231var.h,v 1.10 2006/06/02 20:00:54 miod 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 CS4231 based audio found in some sun4m systems
31: */
32:
33: /*
34: * List of device memory allocations (see cs4231_malloc/cs4231_free).
35: */
36: struct cs_dma {
37: struct cs_dma *next;
38: caddr_t addr; /* cpu address */
39: caddr_t addr_dva; /* hardware address */
40: size_t size;
41: };
42:
43: struct cs_volume {
44: u_int8_t left;
45: u_int8_t right;
46: };
47:
48: struct cs_channel {
49: void (*cs_intr)(void *); /* interrupt handler */
50: void *cs_arg; /* interrupt arg */
51: struct cs_dma *cs_curdma; /* current dma block */
52: u_int32_t cs_cnt; /* current block count */
53: u_int32_t cs_blksz; /* current block size */
54: u_int32_t cs_segsz; /* current segment size */
55: int cs_locked; /* channel locked? */
56: };
57:
58: struct cs4231_softc {
59: struct device sc_dev; /* base device */
60: struct intrhand sc_ih; /* hardware interrupt vectoring */
61: struct cs4231_regs *sc_regs; /* CS4231/APC registers */
62: int sc_node; /* which sbus node */
63: int sc_burst; /* XXX: DMA burst size in effect */
64: int sc_open; /* already open? */
65:
66: struct cs_channel sc_playback, sc_capture;
67:
68: char sc_mute[9]; /* which devs are muted */
69: u_int8_t sc_out_port; /* output port */
70: u_int8_t sc_in_port; /* input port */
71: struct cs_volume sc_volume[9]; /* software volume */
72: struct cs_volume sc_adc; /* adc volume */
73:
74: int sc_format_bits;
75: int sc_speed_bits;
76: int sc_precision;
77: int sc_need_commit;
78: int sc_channels;
79: struct cs_dma *sc_dmas; /* dma list */
80: struct cs_dma *sc_nowplaying;
81: };
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