/* $NetBSD: auixpvar.h,v 1.11 2021/08/20 20:25:28 andvar Exp $*/
/*
* Copyright (c) 2004, 2005 Reinoud Zandijk <
[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
*/
#define DMA_DESC_CHAIN 255
/* audio format structure describing our hardware capabilities */
/* XXX min and max sample rates are for AD1888 codec XXX */
#define AUIXP_NFORMATS 3
#define AUIXP_MINRATE 7000
#define AUIXP_MAXRATE 48000
/* auixp structures; used to record alloced DMA space */
struct auixp_dma {
/* bus mappings */
bus_dmamap_t map;
void * addr;
bus_dma_segment_t segs[1];
int nsegs;
size_t size;
/* audio feeder */
void (*intr)(void *); /* function to call when there is space */
void *intrarg;
/* status and setup bits */
int running;
uint32_t linkptr;
uint32_t dma_enable_bit;
/* linked list of all mapped area's */
SLIST_ENTRY(auixp_dma) dma_chain;
};
struct auixp_codec {
struct auixp_softc *sc;
int present;
int codec_nr;
struct ac97_codec_if *codec_if;
struct ac97_host_if host_if;
enum ac97_host_flags codec_flags;
};
struct auixp_softc {
device_t sc_dev;
kmutex_t sc_lock;
kmutex_t sc_intr_lock;
/* card id */
int type;
int delay1, delay2; /* necessary? */
/* card properties */
int has_4ch, has_6ch, is_fixed, has_spdif;
/* bus tags */
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_addr_t sc_iob;
bus_size_t sc_ios;
pcitag_t sc_tag;
pci_chipset_tag_t sc_pct;
bus_dma_tag_t sc_dmat;
/* interrupts */
void *sc_ih;
/* DMA business */
struct auixp_dma *sc_output_dma; /* contains dma-safe chain */
struct auixp_dma *sc_input_dma;
/* list of allocated DMA pieces */
SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
/* audio formats supported */
struct audio_format sc_formats[AUIXP_NFORMATS];
/* codecs */
int sc_num_codecs;
struct auixp_codec sc_codec[ATI_IXP_CODECS];
int sc_codec_not_ready_bits;
/* last set audio parameters */
struct audio_params sc_play_params;
struct audio_params sc_rec_params;
};
