1 /* $OpenBSD: auixpvar.h,v 1.1 2005/08/07 20:08:45 mickey Exp $ */
2 /* $NetBSD: auixpvar.h,v 1.3 2005/01/12 15:54:34 kent Exp $*/
3
4 /*
5 * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the NetBSD
18 * Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36
37 /*
38 * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
39 */
40
41 #define DMA_DESC_CHAIN 255
42
43 /* audio format structure describing our hardware capabilities */
44 /* XXX min and max sample rates are for AD1888 codec XXX */
45 #define AUIXP_NFORMATS 6
46
47 #define AUIXP_MINRATE 7000
48 #define AUIXP_MAXRATE 48000
49
50 /* auixp structures; used to record alloced DMA space */
51 struct auixp_dma {
52 /* bus mappings */
53 bus_dmamap_t map;
54 caddr_t addr;
55 bus_dma_segment_t segs[1];
56 int nsegs;
57 size_t size;
58
59 /* audio feeder */
60 void (*intr)(void *);
61 void *intrarg;
62
63 /* status and setup bits */
64 int running;
65 u_int32_t linkptr;
66 u_int32_t dma_enable_bit;
67
68 /* linked list of all mapped area's */
69 SLIST_ENTRY(auixp_dma) dma_chain;
70 };
71
72 struct auixp_codec {
73 struct auixp_softc *sc;
74
75 int present;
76 int codec_nr;
77
78 struct ac97_codec_if *codec_if;
79 struct ac97_host_if host_if;
80 enum ac97_host_flags codec_flags;
81 };
82
83 struct auixp_softc {
84 struct device sc_dev;
85 audio_device_t sc_audev;
86 void *sc_ih;
87
88 /* card properties */
89 int has_4ch, has_6ch, is_fixed, has_spdif;
90
91 /* bus tags */
92 bus_space_tag_t sc_iot;
93 bus_space_handle_t sc_ioh;
94 bus_addr_t sc_iob;
95 bus_size_t sc_ios;
96
97 pcitag_t sc_tag;
98 pci_chipset_tag_t sc_pct;
99
100 bus_dma_tag_t sc_dmat;
101
102 /* DMA business */
103 struct auixp_dma *sc_output_dma;
104 struct auixp_dma *sc_input_dma;
105
106 /* list of allocated DMA pieces */
107 SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
108
109 /* codecs */
110 int sc_num_codecs;
111 struct auixp_codec sc_codec[ATI_IXP_CODECS];
112 int sc_codec_not_ready_bits;
113
114 /* last set audio parameters */
115 struct audio_params sc_play_params;
116 struct audio_params sc_rec_params;
117
118 /* suspend/resume */
119 void *powerhook;
120 u_int16_t *savemem;
121 };