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-rw-r--r--sound/oss/emu10k1/recmgr.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/sound/oss/emu10k1/recmgr.c b/sound/oss/emu10k1/recmgr.c
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index 0000000..67c3fd0
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+++ b/sound/oss/emu10k1/recmgr.c
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+/*
+ **********************************************************************
+ * 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);
+}
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