diff options
Diffstat (limited to 'sound/oss/emu10k1/recmgr.c')
| -rw-r--r-- | sound/oss/emu10k1/recmgr.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/sound/oss/emu10k1/recmgr.c b/sound/oss/emu10k1/recmgr.c new file mode 100644 index 0000000..67c3fd0 --- /dev/null +++ b/sound/oss/emu10k1/recmgr.c @@ -0,0 +1,147 @@ +/* + ********************************************************************** + * 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 <asm/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); +} |
