/*
**********************************************************************
* 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 <linux/delay.h>
#include "8010.h"
#include "recmgr.h"
void emu10k1_reset_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
{
DPF(2, "emu10k1_reset_record()\n");
sblive_writeptr(card, buffer->sizereg, 0, ADCBS_BUFSIZE_NONE);
sblive_writeptr(card, buffer->sizereg, 0, buffer->sizeregval);
while (sblive_readptr(card, buffer->idxreg, 0))
udelay(5);
}
void emu10k1_start_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
{
DPF(2, "emu10k1_start_record()\n");
if (buffer->adcctl)
sblive_writeptr(card, ADCCR, 0, buffer->adcctl);
}
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);
}
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 = card->is_audigy ? A_ADCIDX_IDX : 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;
// FIXME: audigy supports 12kHz recording
/*
case ????:
buffer->adcctl = A_ADCCR_SAMPLERATE_12;
break;
*/
case 0x2B11:
buffer->adcctl = card->is_audigy ? A_ADCCR_SAMPLERATE_11 : ADCCR_SAMPLERATE_11;
break;
case 0x1F40:
buffer->adcctl = card->is_audigy ? A_ADCCR_SAMPLERATE_8 : ADCCR_SAMPLERATE_8;
break;
default:
BUG();
break;
}
buffer->adcctl |= card->is_audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
if (wiinst->format.channels == 2)
buffer->adcctl |= card->is_audigy ? A_ADCCR_RCHANENABLE : 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: %#lx\n", (unsigned long) buffer->dma_handle);
sblive_writeptr(card, buffer->addrreg, 0, (u32)buffer->dma_handle);
}
