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authorRob Purchase <shotofadds@rockbox.org>2008-01-14 22:04:48 +0000
committerRob Purchase <shotofadds@rockbox.org>2008-01-14 22:04:48 +0000
commit47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07 (patch)
tree0a48ce653e22ec9a2673474f718217d9659e0c6b /firmware/target/arm/wmcodec-telechips.c
parentb30ca8ca5ab6c8ea27b8fe1f5fb38ebad09b7e62 (diff)
downloadrockbox-47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07.tar.gz
rockbox-47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07.zip
Initial Cowon D2 commit:
* bootloader test program (basic LCD & button drivers, reads touchscreen) * work-in-progress stubs for main build git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16090 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/wmcodec-telechips.c')
-rw-r--r--firmware/target/arm/wmcodec-telechips.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/firmware/target/arm/wmcodec-telechips.c b/firmware/target/arm/wmcodec-telechips.c
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+++ b/firmware/target/arm/wmcodec-telechips.c
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * TCC specific code for Wolfson audio codecs
+ *
+ * Based on code from the ipodlinux project - http://ipodlinux.org/
+ * Adapted for Rockbox in December 2005
+ *
+ * Original file: linux/arch/armnommu/mach-ipod/audio.c
+ *
+ * Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org)
+ *
+ * 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 "audiohw.h"
+#include "i2c.h"
+
+#if defined(COWON_D2)
+/* The D2's audio codec uses an I2C address of 0x34 */
+#define I2C_AUDIO_ADDRESS 0x34
+#else
+#error wmcodec not implemented for this target!
+#endif
+
+
+void audiohw_init(void)
+{
+ #warning function not implemented
+}
+
+void wmcodec_write(int reg, int data)
+{
+ unsigned char d[2];
+ d[0] = (reg << 1) | ((data & 0x100) >> 8);
+ d[1] = data;
+
+ i2c_write(I2C_AUDIO_ADDRESS, d, 2);
+}