patch-2.2.17 linux/drivers/sound/emu10k1/recmgr.c

• Lines: 144
• Date: Mon Sep 4 18:39:21 2000
• Orig file: v2.2.16/drivers/sound/emu10k1/recmgr.c
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --recursive --new-file v2.2.16/drivers/sound/emu10k1/recmgr.c linux/drivers/sound/emu10k1/recmgr.c
@@ -0,0 +1,143 @@
+/*
+ **********************************************************************
+ *     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 "8010.h"
+#include "recmgr.h"
+
+void emu10k1_start_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
+{
+	DPF(2, "emu10k1_start_record()\n");
+
+	if(buffer->fxwc)
+		sblive_writeptr(card, FXWC, 0, buffer->fxwc);
+
+	sblive_writeptr(card, buffer->sizereg, 0, buffer->sizeregval);
+
+	if (buffer->adcctl)
+		sblive_writeptr(card, ADCCR, 0, buffer->adcctl);
+
+	return;
+}
+
+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);
+
+	sblive_writeptr(card, buffer->sizereg, 0, ADCBS_BUFSIZE_NONE);
+
+	return;
+}
+
+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 = 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;
+		case 0x2B11:
+			buffer->adcctl = ADCCR_SAMPLERATE_11;
+			break;
+		case 0x1F40:
+			buffer->adcctl = ADCCR_SAMPLERATE_8;
+			break;
+		default:
+			BUG();
+			break;
+		}
+
+		buffer->adcctl |= ADCCR_LCHANENABLE;
+
+		if (wiinst->format.channels == 2)
+			buffer->adcctl |= ADCCR_RCHANENABLE;
+
+			buffer->fxwc = 0;
+
+		break;
+
+	case WAVERECORD_MIC:
+		DPF(2, "recording source: MIC\n");
+		buffer->sizereg = MICBS;
+		buffer->addrreg = MICBA;
+		buffer->idxreg = MICIDX_IDX;
+		buffer->adcctl = 0;
+		buffer->fxwc = 0;
+		break;
+
+	case WAVERECORD_FX:
+		DPF(2, "recording source: FX\n");
+		buffer->sizereg = FXBS;
+		buffer->addrreg = FXBA;
+		buffer->idxreg = FXIDX_IDX;
+		buffer->adcctl = 0;
+		buffer->fxwc = 0x0001;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	DPD(2, "bus addx: %x\n", buffer->dma_handle);
+
+	sblive_writeptr(card, buffer->addrreg, 0, buffer->dma_handle);
+
+	return;
+}