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 000000000000..67c3fd04cfdd
--- /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);
+}