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