sys/dev/pci/auixpvar.h

   1 /* $NetBSD: auixpvar.h,v 1.5 2007/03/04 06:02:16 christos 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         struct device           sc_dev;
 100
 101         /* card id */
 102         int                     type;
 103         int                     delay1, delay2;         /* nessisary? */
 104
 105         /* card properties */
 106         int                     has_4ch, has_6ch, is_fixed, has_spdif;
 107
 108         /* bus tags */
 109         bus_space_tag_t         sc_iot;
 110         bus_space_handle_t      sc_ioh;
 111         bus_addr_t              sc_iob;
 112         bus_size_t              sc_ios;
 113
 114         pcitag_t                sc_tag;
 115         pci_chipset_tag_t       sc_pct;
 116
 117         bus_dma_tag_t           sc_dmat;
 118
 119         /* interrupts */
 120         void                    *sc_ih;
 121
 122         /* DMA business */
 123         struct auixp_dma        *sc_output_dma;         /* contains dma-safe chain */
 124         struct auixp_dma        *sc_input_dma;
 125
 126         /* list of allocated DMA pieces */
 127         SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
 128
 129         /* audio formats supported */
 130         struct audio_format sc_formats[AUIXP_NFORMATS];
 131         struct audio_encoding_set *sc_encodings;
 132
 133         /* codecs */
 134         int                     sc_num_codecs;
 135         struct auixp_codec      sc_codec[ATI_IXP_CODECS];
 136         int                     sc_codec_not_ready_bits;
 137
 138         /* last set audio parameters */
 139         struct audio_params     sc_play_params;
 140         struct audio_params     sc_rec_params;
 141 };
 142
 143