emuxkivar.h

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    1 /*      $NetBSD: emuxkivar.h,v 1.6 2003/05/03 18:11:34 wiz Exp $        */
    2 
    3 /*-
    4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Yannick Montulet.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the NetBSD
   21  *      Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #ifndef _DEV_PCI_EMU10K1VAR_H_
   40 #define _DEV_PCI_EMU10K1VAR_H_
   41 
   42 #define EMU_PCI_CBIO            0x10
   43 
   44 /*
   45  * DMA memory management
   46  */
   47 
   48 struct dmamem {
   49         bus_dma_tag_t   dmat;
   50         bus_size_t      size;
   51         bus_size_t      align;
   52         bus_size_t      bound;
   53         bus_dma_segment_t *segs;
   54         int             nsegs;
   55         int             rsegs;
   56         caddr_t         kaddr;
   57         bus_dmamap_t    map;
   58 };
   59 
   60 #define KERNADDR(ptr)           ((void *)((ptr)->kaddr))
   61 #define DMASEGADDR(ptr, segno)  ((ptr)->segs[segno].ds_addr)
   62 #define DMAADDR(ptr)            DMASEGADDR(ptr, 0)
   63 #define DMASIZE(ptr)            ((ptr)->size)
   64 
   65 /*
   66  * Emu10k1 hardware limits
   67  */
   68 
   69 #define EMU_PTESIZE             4096
   70 #define EMU_MAXPTE ((EMU_CHAN_PSST_LOOPSTARTADDR_MASK + 1) /    \
   71                         EMU_PTESIZE)
   72 #define EMU_NUMCHAN     64
   73 #define EMU_NUMRECSRCS  3
   74 
   75 #define EMU_DMA_ALIGN   4096
   76 #define EMU_DMAMEM_NSEG 1
   77 
   78 /*
   79  * Emu10k1 memory management
   80  */
   81 
   82 struct emuxki_mem {
   83         LIST_ENTRY(emuxki_mem) next;
   84         struct dmamem  *dmamem;
   85         u_int16_t       ptbidx;
   86 #define EMU_RMEM                0xFFFF          /* recording memory */
   87 };
   88 
   89 /*
   90  * Emu10k1 play channel params
   91  */
   92 
   93 struct emuxki_chanparms_fxsend {
   94         struct {
   95                 u_int8_t        level, dest;
   96         } a, b, c, d;
   97 };
   98 
   99 struct emuxki_chanparms_pitch {
  100         u_int16_t       initial;/* 4 bits of octave, 12 bits of fractional
  101                                  * octave */
  102         u_int16_t       current;/* 0x4000 == unity pitch shift */
  103         u_int16_t       target; /* 0x4000 == unity pitch shift */
  104         u_int8_t        envelope_amount;        /* Signed 2's complement, +/-
  105                                                  * one octave peak extremes */
  106 };
  107 
  108 struct emuxki_chanparms_envelope {
  109         u_int16_t       current_state;  /* 0x8000-n == 666*n usec delay */
  110         u_int8_t        hold_time;      /* 127-n == n*(volume ? 88.2 :
  111                                          * 42)msec */
  112         u_int8_t        attack_time;    /* 0 = infinite, 1 = (volume ? 11 :
  113                                          * 10.9) msec, 0x7f = 5.5msec */
  114         u_int8_t        sustain_level;  /* 127 = full, 0 = off, 0.75dB
  115                                          * increments */
  116         u_int8_t        decay_time;     /* 0 = 43.7msec, 1 = 21.8msec, 0x7f =
  117                                          * 22msec */
  118 };
  119 
  120 struct emuxki_chanparms_volume {
  121         u_int16_t current, target;
  122         struct emuxki_chanparms_envelope envelope;
  123 };
  124 
  125 struct emuxki_chanparms_filter {
  126         u_int16_t       initial_cutoff_frequency;
  127         /*
  128          * 6 most  significant bits are semitones, 2 least significant bits
  129          * are fractions
  130          */
  131         u_int16_t       current_cutoff_frequency;
  132         u_int16_t       target_cutoff_frequency;
  133         u_int8_t        lowpass_resonance_height;
  134         u_int8_t        interpolation_ROM;      /* 1 = full band, 7 = low
  135                                                  * pass */
  136         u_int8_t        envelope_amount;        /* Signed 2's complement, +/-
  137                                                  * six octaves peak extremes */
  138         u_int8_t        LFO_modulation_depth;   /* Signed 2's complement, +/-
  139                                                  * three octave extremes */
  140 };
  141 
  142 struct emuxki_chanparms_loop {
  143         u_int32_t       start;  /* index in the PTB (in samples) */
  144         u_int32_t       end;    /* index in the PTB (in samples) */
  145 };
  146 
  147 struct emuxki_chanparms_modulation {
  148         struct emuxki_chanparms_envelope envelope;
  149         u_int16_t       LFO_state;      /* 0x8000-n = 666*n usec delay */
  150 };
  151 
  152 struct emuxki_chanparms_vibrato_LFO {
  153         u_int16_t       state;          /* 0x8000-n == 666*n usec delay */
  154         u_int8_t        modulation_depth;       /* Signed 2's complement, +/-
  155                                                  * one octave extremes */
  156         u_int8_t        vibrato_depth;  /* Signed 2's complement, +/- one
  157                                          * octave extremes */
  158         u_int8_t        frequency;      /* 0.039Hz steps, maximum of 9.85 Hz */
  159 };
  160 
  161 struct emuxki_channel {
  162         u_int8_t        num;    /* voice number */
  163         struct emuxki_voice *voice;
  164         struct emuxki_chanparms_fxsend fxsend;
  165         struct emuxki_chanparms_pitch pitch;
  166         u_int16_t       initial_attenuation;    /* 0.375dB steps */
  167         struct emuxki_chanparms_volume volume;
  168         struct emuxki_chanparms_filter filter;
  169         struct emuxki_chanparms_loop loop;
  170         struct emuxki_chanparms_modulation modulation;
  171         struct emuxki_chanparms_vibrato_LFO vibrato_LFO;
  172         u_int8_t        tremolo_depth;
  173 };
  174 
  175 /*
  176  * Voices, streams
  177  */
  178 
  179 typedef enum {
  180         EMU_RECSRC_MIC = 0,
  181         EMU_RECSRC_ADC,
  182         EMU_RECSRC_FX,
  183         EMU_RECSRC_NOTSET
  184 } emuxki_recsrc_t;
  185 
  186 struct emuxki_voice {
  187         struct emuxki_softc *sc;        /* our softc */
  188 
  189         u_int8_t        use;
  190 #define EMU_VOICE_USE_PLAY              (1 << 0)
  191         u_int8_t        state;
  192 #define EMU_VOICE_STATE_STARTED (1 << 0)
  193         u_int8_t        stereo;
  194 #define EMU_VOICE_STEREO_NOTSET 0xFF
  195         u_int8_t        b16;
  196         u_int32_t       sample_rate;
  197         union {
  198                 struct emuxki_channel *chan[2];
  199                 emuxki_recsrc_t source;
  200         } dataloc;
  201         struct emuxki_mem *buffer;
  202         u_int16_t       blksize;/* in samples */
  203         u_int16_t       trigblk;/* blk on which to trigger inth */
  204         u_int16_t       blkmod; /* Modulo value to wrap trigblk */
  205         u_int16_t       timerate;
  206         void            (*inth) (void *);
  207         void           *inthparam;
  208         LIST_ENTRY(emuxki_voice) next;
  209 };
  210 
  211 #if 0 /* Not yet */
  212 /*
  213  * I intend this to be able to manage things like AC-3
  214  */
  215 struct emuxki_stream {
  216         struct emu10k1                  *emu;
  217         u_int8_t                        nmono;
  218         u_int8_t                        nstereo;
  219         struct emuxki_voice             *mono;
  220         struct emuxki_voice             *stereo;
  221         LIST_ENTRY(emuxki_stream)       next;
  222 };
  223 #endif /* Not yet */
  224 
  225 struct emuxki_softc {
  226         struct device   sc_dev;
  227 
  228         /* Autoconfig parameters */
  229         bus_space_tag_t         sc_iot;
  230         bus_space_handle_t      sc_ioh;
  231         bus_addr_t              sc_iob;
  232         bus_size_t              sc_ios;
  233         pci_chipset_tag_t       sc_pc;          /* PCI tag */
  234         bus_dma_tag_t           sc_dmat;
  235         void                    *sc_ih;         /* interrupt handler */
  236 
  237         /* EMU10K1 device structures */
  238         LIST_HEAD(, emuxki_mem) mem;
  239 
  240         struct dmamem           *ptb;
  241         struct dmamem           *silentpage;
  242 
  243         struct emuxki_channel   *channel[EMU_NUMCHAN];
  244         struct emuxki_voice     *recsrc[EMU_NUMRECSRCS];
  245 
  246         LIST_HEAD(, emuxki_voice) voices;
  247         /* LIST_HEAD(, emuxki_stream)   streams; */
  248 
  249         u_int8_t                timerstate;
  250 #define EMU_TIMER_STATE_ENABLED 1
  251 
  252         struct ac97_host_if     hostif;
  253         struct ac97_codec_if    *codecif;
  254         struct device           *sc_audev;
  255 
  256         struct emuxki_voice     *pvoice, *rvoice, *lvoice;
  257 };
  258 
  259 #endif                          /* !_DEV_PCI_EMU10K1VAR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/pci/emuxkivar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/emuxkivar.h