1/* $NetBSD: auixpvar.h,v 1.8 2012/10/27 17:18:28 chs Exp $*/
2
3/*
4 * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org>
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. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the NetBSD
17 * Foundation, Inc. and its contributors.
18 * 4. Neither the name of The NetBSD Foundation nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35
36/*
37 * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
38 */
39
40#define DMA_DESC_CHAIN 255
41
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
48#define AUIXP_MINRATE 7000
49#define AUIXP_MAXRATE 48000
50
51
52/* current AC'97 driver only supports SPDIF outputting channel 3&4 i.e. STEREO */
53static const struct audio_format auixp_formats[AUIXP_NFORMATS] = {
54 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 2, AUFMT_STEREO, 0, {7000, 48000}},
55 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 32, 32, 2, AUFMT_STEREO, 0, {7000, 48000}},
56 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 4, AUFMT_SURROUND4, 0, {7000, 48000}},
57 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 32, 32, 4, AUFMT_SURROUND4, 0, {7000, 48000}},
58 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 6, AUFMT_DOLBY_5_1, 0, {7000, 48000}},
59 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 32, 32, 6, AUFMT_DOLBY_5_1, 0, {7000, 48000}},
60};
61
62
63/* auixp structures; used to record alloced DMA space */
64struct auixp_dma {
65 /* bus mappings */
66 bus_dmamap_t map;
67 void * addr;
68 bus_dma_segment_t segs[1];
69 int nsegs;
70 size_t size;
71
72 /* audio feeder */
73 void (*intr)(void *); /* function to call when there is space */
74 void *intrarg;
75
76 /* status and setup bits */
77 int running;
78 uint32_t linkptr;
79 uint32_t dma_enable_bit;
80
81 /* linked list of all mapped area's */
82 SLIST_ENTRY(auixp_dma) dma_chain;
83};
84
85
86struct auixp_codec {
87 struct auixp_softc *sc;
88
89 int present;
90 int codec_nr;
91
92 struct ac97_codec_if *codec_if;
93 struct ac97_host_if host_if;
94 enum ac97_host_flags codec_flags;
95};
96
97
98struct auixp_softc {
99 device_t sc_dev;
100 kmutex_t sc_lock;
101 kmutex_t sc_intr_lock;
102
103 /* card id */
104 int type;
105 int delay1, delay2; /* nessisary? */
106
107 /* card properties */
108 int has_4ch, has_6ch, is_fixed, has_spdif;
109
110 /* bus tags */
111 bus_space_tag_t sc_iot;
112 bus_space_handle_t sc_ioh;
113 bus_addr_t sc_iob;
114 bus_size_t sc_ios;
115
116 pcitag_t sc_tag;
117 pci_chipset_tag_t sc_pct;
118
119 bus_dma_tag_t sc_dmat;
120
121 /* interrupts */
122 void *sc_ih;
123
124 /* DMA business */
125 struct auixp_dma *sc_output_dma; /* contains dma-safe chain */
126 struct auixp_dma *sc_input_dma;
127
128 /* list of allocated DMA pieces */
129 SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
130
131 /* audio formats supported */
132 struct audio_format sc_formats[AUIXP_NFORMATS];
133 struct audio_encoding_set *sc_encodings;
134
135 /* codecs */
136 int sc_num_codecs;
137 struct auixp_codec sc_codec[ATI_IXP_CODECS];
138 int sc_codec_not_ready_bits;
139
140 /* last set audio parameters */
141 struct audio_params sc_play_params;
142 struct audio_params sc_rec_params;
143};
144
145
146