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Diffstat (limited to 'sys/dev/pci/emuxkivar.h')
| -rw-r--r-- | sys/dev/pci/emuxkivar.h | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/sys/dev/pci/emuxkivar.h b/sys/dev/pci/emuxkivar.h new file mode 100644 index 00000000000..d592248b819 --- /dev/null +++ b/sys/dev/pci/emuxkivar.h @@ -0,0 +1,259 @@ +/* $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_ */ |