| 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 | |