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 */ |
53 | static 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 */ |
64 | struct 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 | |
86 | struct 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 | |
98 | struct 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 | |