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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 | /* ********************************************************************** * recmgr.c -- Recording 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 "8010.h" #include "recmgr.h" void emu10k1_start_record(struct emu10k1_card *card, struct wavein_buffer *buffer) { DPF(2, "emu10k1_start_record()\n"); sblive_writeptr(card, buffer->sizereg, 0, buffer->sizeregval); if (buffer->adcctl) sblive_writeptr(card, ADCCR, 0, buffer->adcctl); return; } void emu10k1_stop_record(struct emu10k1_card *card, struct wavein_buffer *buffer) { DPF(2, "emu10k1_stop_record()\n"); /* Disable record transfer */ if (buffer->adcctl) sblive_writeptr(card, ADCCR, 0, 0); sblive_writeptr(card, buffer->sizereg, 0, ADCBS_BUFSIZE_NONE); return; } void emu10k1_set_record_src(struct emu10k1_card *card, struct wiinst *wiinst) { struct wavein_buffer *buffer = &wiinst->buffer; DPF(2, "emu10k1_set_record_src()\n"); switch (wiinst->recsrc) { case WAVERECORD_AC97: DPF(2, "recording source: AC97\n"); buffer->sizereg = ADCBS; buffer->addrreg = ADCBA; buffer->idxreg = ADCIDX_IDX; switch (wiinst->format.samplingrate) { case 0xBB80: buffer->adcctl = ADCCR_SAMPLERATE_48; break; case 0xAC44: buffer->adcctl = ADCCR_SAMPLERATE_44; break; case 0x7D00: buffer->adcctl = ADCCR_SAMPLERATE_32; break; case 0x5DC0: buffer->adcctl = ADCCR_SAMPLERATE_24; break; case 0x5622: buffer->adcctl = ADCCR_SAMPLERATE_22; break; case 0x3E80: buffer->adcctl = ADCCR_SAMPLERATE_16; break; case 0x2B11: buffer->adcctl = ADCCR_SAMPLERATE_11; break; case 0x1F40: buffer->adcctl = ADCCR_SAMPLERATE_8; break; default: BUG(); break; } buffer->adcctl |= ADCCR_LCHANENABLE; if (wiinst->format.channels == 2) buffer->adcctl |= ADCCR_RCHANENABLE; break; case WAVERECORD_MIC: DPF(2, "recording source: MIC\n"); buffer->sizereg = MICBS; buffer->addrreg = MICBA; buffer->idxreg = MICIDX_IDX; buffer->adcctl = 0; break; case WAVERECORD_FX: DPF(2, "recording source: FX\n"); buffer->sizereg = FXBS; buffer->addrreg = FXBA; buffer->idxreg = FXIDX_IDX; buffer->adcctl = 0; sblive_writeptr(card, FXWC, 0, wiinst->fxwc); break; default: BUG(); break; } DPD(2, "bus addx: %#x\n", buffer->dma_handle); sblive_writeptr(card, buffer->addrreg, 0, buffer->dma_handle); return; } |