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/* $NetBSD: emuxkivar.h,v 1.16 2022/09/07 03:34:43 khorben Exp $ */
/*-
* Copyright (c) 2001, 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Yannick Montulet, and by Andrew Doran.
*
* 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#ifndef _DEV_PCI_EMUXKIVAR_H_
#define _DEV_PCI_EMUXKIVAR_H_
#include <sys/types.h>
#include <sys/device.h>
#include <sys/audioio.h>
#include <sys/mutex.h>
#include <sys/bus.h>
#include <dev/audio/audio_if.h>
#include <dev/ic/ac97reg.h>
#include <dev/ic/ac97var.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#define EMU_PTESIZE (4096)
#define EMU_MINPTE (3)
/*
* Hardware limit of PTE is 4096 entry but it's too big for single voice.
* Reasonable candidate is:
* 48kHz * 2ch * 2byte * 1sec * 3buf/EMU_PTESIZE = 141
* and then round it up to 2^n.
*/
#define EMU_MAXPTE (256)
#define EMU_NUMCHAN (64)
/*
* Internal recording DMA buffer
*/
/* Recommend the same size as EMU_PTESIZE to be symmetrical for play/rec */
#define EMU_REC_DMABLKSIZE (4096)
/* must be EMU_REC_DMABLKSIZE * 2 */
#define EMU_REC_DMASIZE (8192)
/* must be EMU_RECBS_BUFSIZE_(EMU_REC_DMASIZE) */
#define EMU_REC_BUFSIZE_RECBS EMU_RECBS_BUFSIZE_8192
/*
* DMA memory management
*/
#define EMU_DMA_ALIGN (4096)
#define EMU_DMA_NSEGS (1)
struct dmamem {
bus_dma_tag_t dmat;
bus_size_t size;
bus_size_t align;
bus_size_t bound;
bus_dma_segment_t *segs;
int nsegs;
int rsegs;
void * kaddr;
bus_dmamap_t map;
};
#define KERNADDR(ptr) ((void *)((ptr)->kaddr))
/*
* (ptr)->segs[] is CPU's PA translated by CPU's MMU.
* (ptr)->map->dm_segs[] is PCI device's PA translated by PCI's MMU.
*/
#define DMASEGADDR(ptr, segno) ((ptr)->map->dm_segs[segno].ds_addr)
#define DMAADDR(ptr) DMASEGADDR(ptr, 0)
#define DMASIZE(ptr) ((ptr)->size)
struct emuxki_softc {
device_t sc_dev;
device_t sc_audev;
enum {
EMUXKI_SBLIVE = 0x00,
EMUXKI_AUDIGY = 0x01,
EMUXKI_AUDIGY2 = 0x02,
EMUXKI_AUDIGY2_CA0108 = 0x04,
EMUXKI_LIVE_5_1 = 0x08,
EMUXKI_APS = 0x10
} sc_type;
audio_device_t sc_audv; /* for GETDEV */
/* Autoconfig parameters */
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_addr_t sc_iob;
bus_size_t sc_ios;
pci_chipset_tag_t sc_pc; /* PCI tag */
bus_dma_tag_t sc_dmat;
void *sc_ih; /* interrupt handler */
kmutex_t sc_intr_lock;
kmutex_t sc_lock;
kmutex_t sc_index_lock;
/* register parameters */
struct dmamem *ptb; /* page table */
struct dmamem *pmem; /* play memory */
void (*pintr)(void *);
void *pintrarg;
audio_params_t play;
uint32_t pframesize;
uint32_t pblksize;
uint32_t plength;
uint32_t poffset;
struct dmamem *rmem; /* rec internal memory */
void (*rintr)(void *);
void *rintrarg;
audio_params_t rec;
void *rptr; /* rec MI ptr */
int rcurrent; /* rec software trans count */
int rframesize;
int rblksize;
int rlength;
int roffset;
/* others */
struct ac97_host_if hostif;
struct ac97_codec_if *codecif;
};
#endif /* _DEV_PCI_EMUXKIVAR_H_ */
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