148 lines
4.0 KiB
C
148 lines
4.0 KiB
C
/*
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**********************************************************************
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* recmgr.c -- Recording manager for emu10k1 driver
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* Copyright 1999, 2000 Creative Labs, Inc.
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*
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**********************************************************************
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*
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* Date Author Summary of changes
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* ---- ------ ------------------
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* October 20, 1999 Bertrand Lee base code release
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*
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**********************************************************************
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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* USA.
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*
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**********************************************************************
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*/
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#include <linux/delay.h>
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#include "8010.h"
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#include "recmgr.h"
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void emu10k1_reset_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
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{
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DPF(2, "emu10k1_reset_record()\n");
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sblive_writeptr(card, buffer->sizereg, 0, ADCBS_BUFSIZE_NONE);
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sblive_writeptr(card, buffer->sizereg, 0, buffer->sizeregval);
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while (sblive_readptr(card, buffer->idxreg, 0))
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udelay(5);
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}
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void emu10k1_start_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
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{
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DPF(2, "emu10k1_start_record()\n");
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if (buffer->adcctl)
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sblive_writeptr(card, ADCCR, 0, buffer->adcctl);
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}
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void emu10k1_stop_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
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{
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DPF(2, "emu10k1_stop_record()\n");
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/* Disable record transfer */
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if (buffer->adcctl)
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sblive_writeptr(card, ADCCR, 0, 0);
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}
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void emu10k1_set_record_src(struct emu10k1_card *card, struct wiinst *wiinst)
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{
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struct wavein_buffer *buffer = &wiinst->buffer;
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DPF(2, "emu10k1_set_record_src()\n");
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switch (wiinst->recsrc) {
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case WAVERECORD_AC97:
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DPF(2, "recording source: AC97\n");
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buffer->sizereg = ADCBS;
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buffer->addrreg = ADCBA;
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buffer->idxreg = card->is_audigy ? A_ADCIDX_IDX : ADCIDX_IDX;
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switch (wiinst->format.samplingrate) {
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case 0xBB80:
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buffer->adcctl = ADCCR_SAMPLERATE_48;
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break;
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case 0xAC44:
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buffer->adcctl = ADCCR_SAMPLERATE_44;
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break;
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case 0x7D00:
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buffer->adcctl = ADCCR_SAMPLERATE_32;
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break;
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case 0x5DC0:
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buffer->adcctl = ADCCR_SAMPLERATE_24;
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break;
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case 0x5622:
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buffer->adcctl = ADCCR_SAMPLERATE_22;
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break;
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case 0x3E80:
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buffer->adcctl = ADCCR_SAMPLERATE_16;
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break;
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// FIXME: audigy supports 12kHz recording
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/*
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case ????:
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buffer->adcctl = A_ADCCR_SAMPLERATE_12;
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break;
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*/
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case 0x2B11:
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buffer->adcctl = card->is_audigy ? A_ADCCR_SAMPLERATE_11 : ADCCR_SAMPLERATE_11;
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break;
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case 0x1F40:
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buffer->adcctl = card->is_audigy ? A_ADCCR_SAMPLERATE_8 : ADCCR_SAMPLERATE_8;
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break;
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default:
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BUG();
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break;
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}
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buffer->adcctl |= card->is_audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
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if (wiinst->format.channels == 2)
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buffer->adcctl |= card->is_audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
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break;
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case WAVERECORD_MIC:
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DPF(2, "recording source: MIC\n");
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buffer->sizereg = MICBS;
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buffer->addrreg = MICBA;
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buffer->idxreg = MICIDX_IDX;
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buffer->adcctl = 0;
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break;
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case WAVERECORD_FX:
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DPF(2, "recording source: FX\n");
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buffer->sizereg = FXBS;
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buffer->addrreg = FXBA;
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buffer->idxreg = FXIDX_IDX;
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buffer->adcctl = 0;
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sblive_writeptr(card, FXWC, 0, wiinst->fxwc);
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break;
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default:
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BUG();
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break;
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}
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DPD(2, "bus addx: %#lx\n", (unsigned long) buffer->dma_handle);
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sblive_writeptr(card, buffer->addrreg, 0, (u32)buffer->dma_handle);
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}
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