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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 | /* ********************************************************************** * voicemgr.c - Voice manager for emu10k1 driver * Copyright 1999, 2000 Creative Labs, Inc. * ********************************************************************** * * Date Author Summary of changes * ---- ------ ------------------ * October 20, 1999 Bertrand Lee base code release * ********************************************************************** * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, * USA. * ********************************************************************** */ #include "voicemgr.h" #include "8010.h" int emu10k1_voice_alloc(struct emu10k1_card *card, struct emu_voice *voice) { u8 *voicetable = card->voicetable; int i; unsigned long flags; DPF(2, "emu10k1_voice_alloc()\n"); spin_lock_irqsave(&card->lock, flags); if (voice->flags & VOICE_FLAGS_STEREO) { for (i = 0; i < NUM_G; i += 2) if ((voicetable[i] == VOICE_USAGE_FREE) && (voicetable[i + 1] == VOICE_USAGE_FREE)) { voicetable[i] = voice->usage; voicetable[i + 1] = voice->usage; break; } } else { for (i = 0; i < NUM_G; i++) if (voicetable[i] == VOICE_USAGE_FREE) { voicetable[i] = voice->usage; break; } } spin_unlock_irqrestore(&card->lock, flags); if (i >= NUM_G) return -1; voice->card = card; voice->num = i; #ifdef PRIVATE_PCM_VOLUME for (i = 0; i < MAX_PCM_CHANNELS; i++) { if (sblive_pcm_volume[i].files == current->files) { sblive_pcm_volume[i].channel_l = voice->num; DPD(2, "preset left: %d\n", voice->num); if (voice->flags & VOICE_FLAGS_STEREO) { sblive_pcm_volume[i].channel_r = voice->num + 1; DPD(2, "preset right: %d\n", voice->num + 1); } break; } } #endif for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) { DPD(2, " voice allocated -> %d\n", voice->num + i); sblive_writeptr_tag(card, voice->num + i, IFATN, 0xffff, DCYSUSV, 0, VTFT, 0x0000ffff, PTRX, 0, TAGLIST_END); } return 0; } void emu10k1_voice_free(struct emu_voice *voice) { struct emu10k1_card *card = voice->card; int i; unsigned long flags; DPF(2, "emu10k1_voice_free()\n"); if (voice->usage == VOICE_USAGE_FREE) return; #ifdef PRIVATE_PCM_VOLUME for (i = 0; i < MAX_PCM_CHANNELS; i++) { if (sblive_pcm_volume[i].files == current->files) { if (voice->num == sblive_pcm_volume[i].channel_l) sblive_pcm_volume[i].channel_l = NUM_G; if ((voice->flags & VOICE_FLAGS_STEREO) && (voice->num + 1) == sblive_pcm_volume[i].channel_r) { sblive_pcm_volume[i].channel_r = NUM_G; } break; } } #endif for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) { DPD(2, " voice released -> %d\n", voice->num + i); sblive_writeptr_tag(card, voice->num + i, DCYSUSV, 0, VTFT, 0x0000ffff, PTRX_PITCHTARGET, 0, CVCF, 0x0000ffff, CPF, 0, TAGLIST_END); } voice->usage = VOICE_USAGE_FREE; spin_lock_irqsave(&card->lock, flags); card->voicetable[voice->num] = VOICE_USAGE_FREE; if (voice->flags & VOICE_FLAGS_STEREO) card->voicetable[voice->num + 1] = VOICE_USAGE_FREE; spin_unlock_irqrestore(&card->lock, flags); return; } void emu10k1_voice_playback_setup(struct emu_voice *voice) { struct emu10k1_card *card = voice->card; u32 start; int i; DPF(2, "emu10k1_voice_playback_setup()\n"); if (voice->flags & VOICE_FLAGS_STEREO) { /* Set stereo bit */ start = 28; sblive_writeptr(card, CPF, voice->num, CPF_STEREO_MASK); sblive_writeptr(card, CPF, voice->num + 1, CPF_STEREO_MASK); } else { start = 30; sblive_writeptr(card, CPF, voice->num, 0); } if(!(voice->flags & VOICE_FLAGS_16BIT)) start *= 2; voice->start += start; for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) { sblive_writeptr(card, FXRT, voice->num + i, voice->params[i].send_routing << 16); /* Stop CA */ /* Assumption that PT is already 0 so no harm overwriting */ sblive_writeptr(card, PTRX, voice->num + i, (voice->params[i].send_a << 8) | voice->params[i].send_b); sblive_writeptr_tag(card, voice->num + i, /* CSL, ST, CA */ DSL, voice->endloop | (voice->params[i].send_d << 24), PSST, voice->startloop | (voice->params[i].send_c << 24), CCCA, (voice->start) | CCCA_INTERPROM_0 | ((voice->flags & VOICE_FLAGS_16BIT) ? 0 : CCCA_8BITSELECT), /* Clear filter delay memory */ Z1, 0, Z2, 0, /* Invalidate maps */ MAPA, MAP_PTI_MASK | (card->silentpage.dma_handle * 2), MAPB, MAP_PTI_MASK | (card->silentpage.dma_handle * 2), /* modulation envelope */ CVCF, 0x0000ffff, VTFT, 0x0000ffff, ATKHLDM, 0, DCYSUSM, 0x007f, LFOVAL1, 0x8000, LFOVAL2, 0x8000, FMMOD, 0, TREMFRQ, 0, FM2FRQ2, 0, ENVVAL, 0x8000, /* volume envelope */ ATKHLDV, 0x7f7f, ENVVOL, 0x8000, /* filter envelope */ PEFE_FILTERAMOUNT, 0x7f, /* pitch envelope */ PEFE_PITCHAMOUNT, 0, TAGLIST_END); #ifdef PRIVATE_PCM_VOLUME { int j; for (j = 0; j < MAX_PCM_CHANNELS; j++) { if (sblive_pcm_volume[j].channel_l == voice->num + i) { voice->params[i].initial_attn = (sblive_pcm_volume[j].channel_r < NUM_G) ? sblive_pcm_volume[i].attn_l : // test for mono channel (reverse logic is correct here!) (sblive_pcm_volume[j].attn_r > sblive_pcm_volume[j].attn_l) ? sblive_pcm_volume[j].attn_l : sblive_pcm_volume[j].attn_r; DPD(2, "set left volume %d\n", voice->params[i].initial_attn); break; } else if (sblive_pcm_volume[j].channel_r == voice->num + i) { voice->params[i].initial_attn = sblive_pcm_volume[j].attn_r; DPD(2, "set right volume %d\n", voice->params[i].initial_attn); break; } } } #endif voice->params[i].fc_target = 0xffff; } return; } void emu10k1_voice_start(struct emu_voice *voice, int set) { struct emu10k1_card *card = voice->card; int i; DPF(2, "emu10k1_voice_start()\n"); if (!set) { u32 cra, ccis, cs, sample; if (voice->flags & VOICE_FLAGS_STEREO) { cra = 64; ccis = 28; cs = 4; } else { cra = 64; ccis = 30; cs = 2; } if(voice->flags & VOICE_FLAGS_16BIT) { sample = 0x00000000; } else { sample = 0x80808080; ccis *= 2; } for(i = 0; i < cs; i++) sblive_writeptr(card, CD0 + i, voice->num, sample); /* Reset cache */ sblive_writeptr(card, CCR_CACHEINVALIDSIZE, voice->num, 0); if (voice->flags & VOICE_FLAGS_STEREO) sblive_writeptr(card, CCR_CACHEINVALIDSIZE, voice->num + 1, 0); sblive_writeptr(card, CCR_READADDRESS, voice->num, cra); if (voice->flags & VOICE_FLAGS_STEREO) sblive_writeptr(card, CCR_READADDRESS, voice->num + 1, cra); /* Fill cache */ sblive_writeptr(card, CCR_CACHEINVALIDSIZE, voice->num, ccis); } for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) { sblive_writeptr_tag(card, voice->num + i, IFATN, (voice->params[i].initial_fc << 8) | voice->params[i].initial_attn, VTFT, (voice->params[i].volume_target << 16) | voice->params[i].fc_target, CVCF, (voice->params[i].volume_target << 16) | voice->params[i].fc_target, DCYSUSV, (voice->params[i].byampl_env_sustain << 8) | voice->params[i].byampl_env_decay, TAGLIST_END); emu10k1_clear_stop_on_loop(card, voice->num + i); sblive_writeptr(card, PTRX_PITCHTARGET, voice->num + i, voice->pitch_target); if (i == 0) sblive_writeptr(card, CPF_CURRENTPITCH, voice->num, voice->pitch_target); sblive_writeptr(card, IP, voice->num + i, voice->initial_pitch); } return; } void emu10k1_voice_stop(struct emu_voice *voice) { struct emu10k1_card *card = voice->card; int i; DPF(2, "emu10k1_voice_stop()\n"); for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) { sblive_writeptr_tag(card, voice->num + i, PTRX_PITCHTARGET, 0, CPF_CURRENTPITCH, 0, IFATN, 0xffff, VTFT, 0x0000ffff, CVCF, 0x0000ffff, IP, 0, TAGLIST_END); } return; } |