148 lines
4.4 KiB
C
148 lines
4.4 KiB
C
/* $NetBSD: auixpvar.h,v 1.4 2005/12/11 12:22:48 christos Exp $*/
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/*
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* Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
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*/
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#define DMA_DESC_CHAIN 255
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/* audio format structure describing our hardware capabilities */
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/* XXX min and max sample rates are for AD1888 codec XXX */
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#define AUIXP_NFORMATS 6
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#define AUIXP_MINRATE 7000
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#define AUIXP_MAXRATE 48000
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/* current AC'97 driver only supports SPDIF outputting channel 3&4 i.e. STEREO */
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static const struct audio_format auixp_formats[AUIXP_NFORMATS] = {
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{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 2, AUFMT_STEREO, 0, {7000, 48000}},
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{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 32, 32, 2, AUFMT_STEREO, 0, {7000, 48000}},
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{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 4, AUFMT_SURROUND4, 0, {7000, 48000}},
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{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 32, 32, 4, AUFMT_SURROUND4, 0, {7000, 48000}},
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{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 6, AUFMT_DOLBY_5_1, 0, {7000, 48000}},
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{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 32, 32, 6, AUFMT_DOLBY_5_1, 0, {7000, 48000}},
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};
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/* auixp structures; used to record alloced DMA space */
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struct auixp_dma {
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/* bus mappings */
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bus_dmamap_t map;
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caddr_t addr;
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bus_dma_segment_t segs[1];
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int nsegs;
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size_t size;
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/* audio feeder */
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void (*intr)(void *); /* function to call when there is space */
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void *intrarg;
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/* status and setup bits */
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int running;
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uint32_t linkptr;
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uint32_t dma_enable_bit;
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/* linked list of all mapped area's */
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SLIST_ENTRY(auixp_dma) dma_chain;
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};
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struct auixp_codec {
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struct auixp_softc *sc;
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int present;
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int codec_nr;
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struct ac97_codec_if *codec_if;
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struct ac97_host_if host_if;
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enum ac97_host_flags codec_flags;
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};
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struct auixp_softc {
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struct device sc_dev;
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/* card id */
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int type;
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int delay1, delay2; /* nessisary? */
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/* card properties */
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int has_4ch, has_6ch, is_fixed, has_spdif;
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/* bus tags */
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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bus_addr_t sc_iob;
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bus_size_t sc_ios;
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pcitag_t sc_tag;
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pci_chipset_tag_t sc_pct;
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bus_dma_tag_t sc_dmat;
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/* interrupts */
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void *sc_ih;
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/* DMA business */
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struct auixp_dma *sc_output_dma; /* contains dma-safe chain */
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struct auixp_dma *sc_input_dma;
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/* list of allocated DMA pieces */
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SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
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/* audio formats supported */
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struct audio_format sc_formats[AUIXP_NFORMATS];
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struct audio_encoding_set *sc_encodings;
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/* codecs */
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int sc_num_codecs;
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struct auixp_codec sc_codec[ATI_IXP_CODECS];
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int sc_codec_not_ready_bits;
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/* last set audio parameters */
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struct audio_params sc_play_params;
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struct audio_params sc_rec_params;
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/* suspend/resume */
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void *powerhook;
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uint16_t *savemem;
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};
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