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/* $OpenBSD: emuxkivar.h,v 1.2 2001/10/24 15:09:28 brad Exp $ */
/* $NetBSD: emuxkivar.h,v 1.1 2001/10/17 18:39:41 jdolecek Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Yannick Montulet.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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_EMU10K1VAR_H_
#define _DEV_PCI_EMU10K1VAR_H_
#define EMU_PCI_CBIO 0x10
/*
* dma memory managment
*/
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;
caddr_t kaddr;
bus_dmamap_t map;
};
#define KERNADDR(ptr) ((void *)((ptr)->kaddr))
#define DMASEGADDR(ptr, segno) ((ptr)->segs[segno].ds_addr)
#define DMAADDR(ptr) DMASEGADDR(ptr, 0)
#define DMASIZE(ptr) ((ptr)->size)
/*
* Emu10k1 hardware limits
*/
#define EMU_PTESIZE 4096
#define EMU_MAXPTE ((EMU_CHAN_PSST_LOOPSTARTADDR_MASK + 1) / \
EMU_PTESIZE)
#define EMU_NUMCHAN 64
#define EMU_NUMRECSRCS 3
#define EMU_DMA_ALIGN 4096
#define EMU_DMAMEM_NSEG 1
/*
* Emu10k1 memory managment
*/
struct emuxki_mem {
LIST_ENTRY(emuxki_mem) next;
struct dmamem *dmamem;
u_int16_t ptbidx;
#define EMU_RMEM 0xFFFF /* recording memory */
};
/*
* Emu10k1 play channel params
*/
struct emuxki_chanparms_fxsend {
struct {
u_int8_t level, dest;
} a, b, c, d;
};
struct emuxki_chanparms_pitch {
u_int16_t intial; /* 4 bits of octave, 12 bits of fractional
* octave */
u_int16_t current;/* 0x4000 == unity pitch shift */
u_int16_t target; /* 0x4000 == unity pitch shift */
u_int8_t envelope_amount; /* Signed 2's complement, +/-
* one octave peak extremes */
};
struct emuxki_chanparms_envelope {
u_int16_t current_state; /* 0x8000-n == 666*n usec delay */
u_int8_t hold_time; /* 127-n == n*(volume ? 88.2 :
* 42)msec */
u_int8_t attack_time; /* 0 = infinite, 1 = (volume ? 11 :
* 10.9) msec, 0x7f = 5.5msec */
u_int8_t sustain_level; /* 127 = full, 0 = off, 0.75dB
* increments */
u_int8_t decay_time; /* 0 = 43.7msec, 1 = 21.8msec, 0x7f =
* 22msec */
};
struct emuxki_chanparms_volume {
u_int16_t current, target;
struct emuxki_chanparms_envelope envelope;
};
struct emuxki_chanparms_filter {
u_int16_t initial_cutoff_frequency;
/*
* 6 most significant bits are semitones, 2 least significant bits
* are fractions
*/
u_int16_t current_cutoff_frequency;
u_int16_t target_cutoff_frequency;
u_int8_t lowpass_resonance_height;
u_int8_t interpolation_ROM; /* 1 = full band, 7 = low
* pass */
u_int8_t envelope_amount; /* Signed 2's complement, +/-
* six octaves peak extremes */
u_int8_t LFO_modulation_depth; /* Signed 2's complement, +/-
* three octave extremes */
};
struct emuxki_chanparms_loop {
u_int32_t start; /* index in the PTB (in samples) */
u_int32_t end; /* index in the PTB (in samples) */
};
struct emuxki_chanparms_modulation {
struct emuxki_chanparms_envelope envelope;
u_int16_t LFO_state; /* 0x8000-n = 666*n usec delay */
};
struct emuxki_chanparms_vibrato_LFO {
u_int16_t state; /* 0x8000-n == 666*n usec delay */
u_int8_t modulation_depth; /* Signed 2's complement, +/-
* one octave extremes */
u_int8_t vibrato_depth; /* Signed 2's complement, +/- one
* octave extremes */
u_int8_t frequency; /* 0.039Hz steps, maximum of 9.85 Hz */
};
struct emuxki_channel {
u_int8_t num; /* voice number */
struct emuxki_voice *voice;
struct emuxki_chanparms_fxsend fxsend;
struct emuxki_chanparms_pitch pitch;
u_int16_t initial_attenuation; /* 0.375dB steps */
struct emuxki_chanparms_volume volume;
struct emuxki_chanparms_filter filter;
struct emuxki_chanparms_loop loop;
struct emuxki_chanparms_modulation modulation;
struct emuxki_chanparms_vibrato_LFO vibrato_LFO;
u_int8_t tremolo_depth;
};
/*
* Voices, streams
*/
typedef enum {
EMU_RECSRC_MIC = 0,
EMU_RECSRC_ADC,
EMU_RECSRC_FX,
EMU_RECSRC_NOTSET
} emuxki_recsrc_t;
struct emuxki_voice {
struct emuxki_softc *sc; /* our softc */
u_int8_t use;
#define EMU_VOICE_USE_PLAY (1 << 0)
u_int8_t state;
#define EMU_VOICE_STATE_STARTED (1 << 0)
u_int8_t stereo;
#define EMU_VOICE_STEREO_NOTSET 0xFF
u_int8_t b16;
u_int32_t sample_rate;
union {
struct emuxki_channel *chan[2];
emuxki_recsrc_t source;
} dataloc;
struct emuxki_mem *buffer;
u_int16_t blksize;/* in samples */
u_int16_t trigblk;/* blk on which to trigger inth */
u_int16_t blkmod; /* Modulo value to wrap trigblk */
u_int16_t timerate;
void (*inth) (void *);
void *inthparam;
LIST_ENTRY(emuxki_voice) next;
};
#if 0 /* Not yet */
/*
* I intend this to be able to manage things like AC-3
*/
struct emuxki_stream {
struct emu10k1 *emu;
u_int8_t nmono;
u_int8_t nstereo;
struct emuxki_voice *mono;
struct emuxki_voice *stereo;
LIST_ENTRY(emuxki_stream) next;
};
#endif /* Not yet */
struct emuxki_softc {
struct device sc_dev;
/* 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 */
/* EMU10k1 device structures */
LIST_HEAD(, emuxki_mem) mem;
struct dmamem *ptb;
struct dmamem *silentpage;
struct emuxki_channel *channel[EMU_NUMCHAN];
struct emuxki_voice *recsrc[EMU_NUMRECSRCS];
LIST_HEAD(, emuxki_voice) voices;
/* LIST_HEAD(, emuxki_stream) streams; */
u_int8_t timerstate;
#define EMU_TIMER_STATE_ENABLED 1
struct ac97_host_if hostif;
struct ac97_codec_if *codecif;
struct device *sc_audev;
struct emuxki_voice *pvoice, *rvoice;
};
#endif /* !_DEV_PCI_EMU10K1VAR_H_ */
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