emuxkivar.h revision 1.3
1 /* $NetBSD: emuxkivar.h,v 1.3 2001/12/23 23:14:59 jdolecek 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 managment 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 managment 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 intial; /* 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_ */ 260
Indexes created Thu Sep 25 16:09:42 GMT 2025