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
119
120
121
|
/* $OpenBSD: auixpvar.h,v 1.1 2005/08/07 20:08:45 mickey Exp $ */
/* $NetBSD: auixpvar.h,v 1.3 2005/01/12 15:54:34 kent Exp $*/
/*
* Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may 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.
*/
/*
* NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
*/
#define DMA_DESC_CHAIN 255
/* audio format structure describing our hardware capabilities */
/* XXX min and max sample rates are for AD1888 codec XXX */
#define AUIXP_NFORMATS 6
#define AUIXP_MINRATE 7000
#define AUIXP_MAXRATE 48000
/* auixp structures; used to record alloced DMA space */
struct auixp_dma {
/* bus mappings */
bus_dmamap_t map;
caddr_t addr;
bus_dma_segment_t segs[1];
int nsegs;
size_t size;
/* audio feeder */
void (*intr)(void *);
void *intrarg;
/* status and setup bits */
int running;
u_int32_t linkptr;
u_int32_t dma_enable_bit;
/* linked list of all mapped area's */
SLIST_ENTRY(auixp_dma) dma_chain;
};
struct auixp_codec {
struct auixp_softc *sc;
int present;
int codec_nr;
struct ac97_codec_if *codec_if;
struct ac97_host_if host_if;
enum ac97_host_flags codec_flags;
};
struct auixp_softc {
struct device sc_dev;
audio_device_t sc_audev;
void *sc_ih;
/* card properties */
int has_4ch, has_6ch, is_fixed, has_spdif;
/* bus tags */
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_addr_t sc_iob;
bus_size_t sc_ios;
pcitag_t sc_tag;
pci_chipset_tag_t sc_pct;
bus_dma_tag_t sc_dmat;
/* DMA business */
struct auixp_dma *sc_output_dma;
struct auixp_dma *sc_input_dma;
/* list of allocated DMA pieces */
SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
/* codecs */
int sc_num_codecs;
struct auixp_codec sc_codec[ATI_IXP_CODECS];
int sc_codec_not_ready_bits;
/* last set audio parameters */
struct audio_params sc_play_params;
struct audio_params sc_rec_params;
/* suspend/resume */
void *powerhook;
u_int16_t *savemem;
};
|
