264 lines
7.1 KiB
C
264 lines
7.1 KiB
C
/* $NetBSD: emuxkivar.h,v 1.13 2011/11/23 23:07:35 jmcneill Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Yannick Montulet.
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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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_PCI_EMU10K1VAR_H_
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#define _DEV_PCI_EMU10K1VAR_H_
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#define EMU_PCI_CBIO 0x10
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#define EMU_SUBSYS_APS 0x40011102
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/*
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* DMA memory management
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*/
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struct dmamem {
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bus_dma_tag_t dmat;
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bus_size_t size;
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bus_size_t align;
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bus_size_t bound;
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bus_dma_segment_t *segs;
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int nsegs;
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int rsegs;
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void * kaddr;
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bus_dmamap_t map;
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};
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#define KERNADDR(ptr) ((void *)((ptr)->kaddr))
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#define DMASEGADDR(ptr, segno) ((ptr)->segs[segno].ds_addr)
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#define DMAADDR(ptr) DMASEGADDR(ptr, 0)
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#define DMASIZE(ptr) ((ptr)->size)
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/*
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* Emu10k1 hardware limits
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*/
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#define EMU_PTESIZE 4096
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#define EMU_MAXPTE ((EMU_CHAN_PSST_LOOPSTARTADDR_MASK + 1) / \
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EMU_PTESIZE)
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#define EMU_NUMCHAN 64
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#define EMU_NUMRECSRCS 3
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#define EMU_DMA_ALIGN 4096
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#define EMU_DMAMEM_NSEG 1
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/*
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* Emu10k1 memory management
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*/
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struct emuxki_mem {
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LIST_ENTRY(emuxki_mem) next;
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struct dmamem *dmamem;
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uint16_t ptbidx;
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#define EMU_RMEM 0xFFFF /* recording memory */
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};
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/*
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* Emu10k1 play channel params
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*/
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struct emuxki_chanparms_fxsend {
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struct {
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uint8_t level, dest;
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} a, b, c, d, e, f, g, h;
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};
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struct emuxki_chanparms_pitch {
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uint16_t initial;/* 4 bits of octave, 12 bits of fractional
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* octave */
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uint16_t current;/* 0x4000 == unity pitch shift */
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uint16_t target; /* 0x4000 == unity pitch shift */
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uint8_t envelope_amount; /* Signed 2's complement, +/-
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* one octave peak extremes */
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};
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struct emuxki_chanparms_envelope {
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uint16_t current_state; /* 0x8000-n == 666*n usec delay */
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uint8_t hold_time; /* 127-n == n*(volume ? 88.2 :
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* 42)msec */
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uint8_t attack_time; /* 0 = infinite, 1 = (volume ? 11 :
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* 10.9) msec, 0x7f = 5.5msec */
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uint8_t sustain_level; /* 127 = full, 0 = off, 0.75dB
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* increments */
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uint8_t decay_time; /* 0 = 43.7msec, 1 = 21.8msec, 0x7f =
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* 22msec */
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};
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struct emuxki_chanparms_volume {
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uint16_t current, target;
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struct emuxki_chanparms_envelope envelope;
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};
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struct emuxki_chanparms_filter {
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uint16_t initial_cutoff_frequency;
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/*
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* 6 most significant bits are semitones, 2 least significant bits
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* are fractions
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*/
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uint16_t current_cutoff_frequency;
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uint16_t target_cutoff_frequency;
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uint8_t lowpass_resonance_height;
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uint8_t interpolation_ROM; /* 1 = full band, 7 = low
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* pass */
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uint8_t envelope_amount; /* Signed 2's complement, +/-
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* six octaves peak extremes */
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uint8_t LFO_modulation_depth; /* Signed 2's complement, +/-
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* three octave extremes */
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};
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struct emuxki_chanparms_loop {
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uint32_t start; /* index in the PTB (in samples) */
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uint32_t end; /* index in the PTB (in samples) */
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};
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struct emuxki_chanparms_modulation {
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struct emuxki_chanparms_envelope envelope;
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uint16_t LFO_state; /* 0x8000-n = 666*n usec delay */
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};
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struct emuxki_chanparms_vibrato_LFO {
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uint16_t state; /* 0x8000-n == 666*n usec delay */
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uint8_t modulation_depth; /* Signed 2's complement, +/-
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* one octave extremes */
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uint8_t vibrato_depth; /* Signed 2's complement, +/- one
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* octave extremes */
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uint8_t frequency; /* 0.039Hz steps, maximum of 9.85 Hz */
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};
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struct emuxki_channel {
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uint8_t num; /* voice number */
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struct emuxki_voice *voice;
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struct emuxki_chanparms_fxsend fxsend;
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struct emuxki_chanparms_pitch pitch;
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uint16_t initial_attenuation; /* 0.375dB steps */
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struct emuxki_chanparms_volume volume;
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struct emuxki_chanparms_filter filter;
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struct emuxki_chanparms_loop loop;
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struct emuxki_chanparms_modulation modulation;
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struct emuxki_chanparms_vibrato_LFO vibrato_LFO;
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uint8_t tremolo_depth;
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};
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/*
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* Voices, streams
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*/
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typedef enum {
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EMU_RECSRC_MIC = 0,
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EMU_RECSRC_ADC,
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EMU_RECSRC_FX,
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EMU_RECSRC_NOTSET
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} emuxki_recsrc_t;
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struct emuxki_voice {
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struct emuxki_softc *sc; /* our softc */
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uint8_t use;
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#define EMU_VOICE_USE_PLAY (1 << 0)
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uint8_t state;
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#define EMU_VOICE_STATE_STARTED (1 << 0)
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uint8_t stereo;
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#define EMU_VOICE_STEREO_NOTSET 0xFF
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uint8_t b16;
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uint32_t sample_rate;
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union {
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struct emuxki_channel *chan[2];
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emuxki_recsrc_t source;
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} dataloc;
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struct emuxki_mem *buffer;
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uint16_t blksize;/* in samples */
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uint16_t trigblk;/* blk on which to trigger inth */
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uint16_t blkmod; /* Modulo value to wrap trigblk */
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uint16_t timerate;
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void (*inth)(void *);
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void *inthparam;
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LIST_ENTRY(emuxki_voice) next;
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};
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#if 0 /* Not yet */
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/*
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* I intend this to be able to manage things like AC-3
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*/
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struct emuxki_stream {
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struct emu10k1 *emu;
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uint8_t nmono;
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uint8_t nstereo;
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struct emuxki_voice *mono;
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struct emuxki_voice *stereo;
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LIST_ENTRY(emuxki_stream) next;
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};
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#endif /* Not yet */
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struct emuxki_softc {
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device_t sc_dev;
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audio_device_t sc_audv;
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enum {
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EMUXKI_SBLIVE = 0x00, EMUXKI_AUDIGY = 0x01,
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EMUXKI_AUDIGY2 = 0x02, EMUXKI_LIVE_5_1 = 0x04,
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EMUXKI_APS = 0x08
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} sc_type;
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/* Autoconfig parameters */
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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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pci_chipset_tag_t sc_pc; /* PCI tag */
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bus_dma_tag_t sc_dmat;
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void *sc_ih; /* interrupt handler */
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kmutex_t sc_intr_lock;
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kmutex_t sc_lock;
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kmutex_t sc_index_lock;
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kmutex_t sc_ac97_index_lock;
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/* EMU10K1 device structures */
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LIST_HEAD(, emuxki_mem) mem;
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struct dmamem *ptb;
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struct dmamem *silentpage;
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struct emuxki_channel *channel[EMU_NUMCHAN];
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struct emuxki_voice *recsrc[EMU_NUMRECSRCS];
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LIST_HEAD(, emuxki_voice) voices;
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/* LIST_HEAD(, emuxki_stream) streams; */
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uint8_t timerstate;
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#define EMU_TIMER_STATE_ENABLED 1
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struct ac97_host_if hostif;
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struct ac97_codec_if *codecif;
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device_t sc_audev;
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struct emuxki_voice *pvoice, *rvoice, *lvoice;
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};
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#endif /* !_DEV_PCI_EMU10K1VAR_H_ */
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