1 files changed, 114 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/m3/audio-m3.c b/firmware/target/coldfire/iaudio/m3/audio-m3.c
new file mode 100644
index 0000000000..4edae48744
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/m3/audio-m3.c
@@ -0,0 +1,114 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Michael Sevakis
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "system.h"
+#include "cpu.h"
+#include "audio.h"
+#include "sound.h"
+void audio_set_output_source(int source)
+{
+    int level = set_irq_level(DMA_IRQ_LEVEL);
+    unsigned long txsrc;
+    if ((unsigned)source >= AUDIO_NUM_SOURCES)
+        txsrc = (3 << 8); /* playback, PDOR3 */
+    else
+        txsrc = (4 << 8); /* recording, iis1RcvData */
+    IIS1CONFIG = (IIS1CONFIG & ~(7 << 8)) | txsrc;
+    set_irq_level(level);
+} /* audio_set_output_source */
+void audio_input_mux(int source, unsigned flags)
+{
+    /* Prevent pops from unneeded switching */
+    static int last_source = AUDIO_SRC_PLAYBACK;
+    static bool last_recording = false;
+    bool recording = flags & SRCF_RECORDING;
+    switch (source)
+    {
+        default:                            /* playback - no recording */
+            source = AUDIO_SRC_PLAYBACK;
+        case AUDIO_SRC_PLAYBACK:
+            if (source != last_source)
+            {
+                audiohw_disable_recording();
+                audiohw_set_monitor(false);
+                coldfire_set_dataincontrol(0);
+            }
+        break;
+        case AUDIO_SRC_MIC:                 /* recording only */
+            if (source != last_source)
+            {
+                audiohw_enable_recording(true);  /* source mic */
+                /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
+                coldfire_set_dataincontrol((3 << 14) | (4 << 3));
+            }
+        break;
+        case AUDIO_SRC_LINEIN:              /* recording only */
+            if (source != last_source)
+            {
+                audiohw_enable_recording(false); /* source line */
+                /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
+                coldfire_set_dataincontrol((3 << 14) | (4 << 3));
+            }
+        break;
+        case AUDIO_SRC_FMRADIO:             /* recording and playback */
+            if (!recording)
+                audiohw_set_recvol(23, 23, AUDIO_GAIN_LINEIN);
+            /* I2S recording and analog playback */
+            if (source == last_source && recording == last_recording)
+                break;
+            last_recording = recording;
+            if (recording)
+            {
+                /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
+                coldfire_set_dataincontrol((3 << 14) | (4 << 3));
+                audiohw_enable_recording(false); /* source line */
+            }
+            else
+            {
+                audiohw_disable_recording();
+                audiohw_set_monitor(true);       /* analog bypass */
+                coldfire_set_dataincontrol(0);
+            }
+        break;
+    } /* end switch */
+    /* set line multiplexer */
+    if (source == AUDIO_SRC_FMRADIO)
+        and_l(~(1 << 25), &GPIO1_OUT);   /* FM radio */
+    else
+        or_l((1 << 25), &GPIO1_OUT);     /* Line In */
+    or_l((1 << 25), &GPIO1_ENABLE);
+    or_l((1 << 25), &GPIO1_FUNCTION);
+    last_source = source;
+} /* audio_input_mux */

diff --git a/firmware/target/coldfire/iaudio/m3/audio-m3.c b/firmware/target/coldfire/iaudio/m3/audio-m3.c new file mode 100644 index 0000000000..4edae48744 --- /dev/null +++ b/firmware/target/coldfire/iaudio/m3/audio-m3.c
@@ -0,0 +1,114 @@
	1	/***************************************************************************
	2	* __________ __ ___.
	3	* Open \______ \ ____ ____ \| \| _\_ \|__ _______ ___
	4	* Source \| _// _ \_/ ___\\| \|/ /\| __ \ / _ \ \/ /
	5	* Jukebox \| \| ( <_> ) \___\| < \| \_\ ( <_> > < <
	6	* Firmware \|____\|_ /\____/ \___ >__\|_ \\|___ /\____/__/\_ \
	7	* \/ \/ \/ \/ \/
	8	* $Id$
	9	*
	10	* Copyright (C) 2006 by Michael Sevakis
	11	*
	12	* All files in this archive are subject to the GNU General Public License.
	13	* See the file COPYING in the source tree root for full license agreement.
	14	*
	15	* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
	16	* KIND, either express or implied.
	17	*
	18	****************************************************************************/
	19
	20	#include "system.h"
	21	#include "cpu.h"
	22	#include "audio.h"
	23	#include "sound.h"
	24
	25	void audio_set_output_source(int source)
	26	{
	27	int level = set_irq_level(DMA_IRQ_LEVEL);
	28	unsigned long txsrc;
	29
	30	if ((unsigned)source >= AUDIO_NUM_SOURCES)
	31	txsrc = (3 << 8); /* playback, PDOR3 */
	32	else
	33	txsrc = (4 << 8); /* recording, iis1RcvData */
	34
	35	IIS1CONFIG = (IIS1CONFIG & ~(7 << 8)) \| txsrc;
	36	set_irq_level(level);
	37	} /* audio_set_output_source */
	38
	39	void audio_input_mux(int source, unsigned flags)
	40	{
	41	/* Prevent pops from unneeded switching */
	42	static int last_source = AUDIO_SRC_PLAYBACK;
	43	static bool last_recording = false;
	44
	45	bool recording = flags & SRCF_RECORDING;
	46
	47	switch (source)
	48	{
	49	default: /* playback - no recording */
	50	source = AUDIO_SRC_PLAYBACK;
	51	case AUDIO_SRC_PLAYBACK:
	52	if (source != last_source)
	53	{
	54	audiohw_disable_recording();
	55	audiohw_set_monitor(false);
	56	coldfire_set_dataincontrol(0);
	57	}
	58	break;
	59
	60	case AUDIO_SRC_MIC: /* recording only */
	61	if (source != last_source)
	62	{
	63	audiohw_enable_recording(true); /* source mic */
	64	/* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
	65	coldfire_set_dataincontrol((3 << 14) \| (4 << 3));
	66	}
	67	break;
	68
	69	case AUDIO_SRC_LINEIN: /* recording only */
	70	if (source != last_source)
	71	{
	72	audiohw_enable_recording(false); /* source line */
	73	/* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
	74	coldfire_set_dataincontrol((3 << 14) \| (4 << 3));
	75	}
	76	break;
	77
	78	case AUDIO_SRC_FMRADIO: /* recording and playback */
	79	if (!recording)
	80	audiohw_set_recvol(23, 23, AUDIO_GAIN_LINEIN);
	81
	82	/* I2S recording and analog playback */
	83	if (source == last_source && recording == last_recording)
	84	break;
	85
	86	last_recording = recording;
	87
	88	if (recording)
	89	{
	90	/* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
	91	coldfire_set_dataincontrol((3 << 14) \| (4 << 3));
	92	audiohw_enable_recording(false); /* source line */
	93	}
	94	else
	95	{
	96	audiohw_disable_recording();
	97	audiohw_set_monitor(true); /* analog bypass */
	98	coldfire_set_dataincontrol(0);
	99	}
	100	break;
	101	} /* end switch */
	102
	103	/* set line multiplexer */
	104	if (source == AUDIO_SRC_FMRADIO)
	105	and_l(~(1 << 25), &GPIO1_OUT); /* FM radio */
	106	else
	107	or_l((1 << 25), &GPIO1_OUT); /* Line In */
	108
	109	or_l((1 << 25), &GPIO1_ENABLE);
	110	or_l((1 << 25), &GPIO1_FUNCTION);
	111
	112	last_source = source;
	113	} /* audio_input_mux */
	114