From 42f77d4eb027afed4f4ef80f10c16112c2b7fe2b Mon Sep 17 00:00:00 2001
From: Dave Chapman <dave@dchapman.com>
Date: Fri, 31 Oct 2008 00:16:42 +0000
Subject: Abstract the PortalPlayer AS3514 handling with an "ascodec" API -
 inspired by the wmcodec API used with the Wolfson codecs.  The intention is
 to implement this API for the AS3525 and then share code with the Sansa V2
 ports.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18940 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/ascodec-target.h | 69 ++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 firmware/target/arm/ascodec-target.h

(limited to 'firmware/target/arm/ascodec-target.h')

diff --git a/firmware/target/arm/ascodec-target.h b/firmware/target/arm/ascodec-target.h
new file mode 100644
index 0000000000..19b1644541
--- /dev/null
+++ b/firmware/target/arm/ascodec-target.h
@@ -0,0 +1,69 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Driver for AS3514 audio codec
+ *
+ * Copyright (c) 2007 Daniel Ankers
+ * Copyright (c) 2007 Christian Gmeiner
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _ASCODEC_TARGET_H
+#define _ASCODEC_TARGET_H
+
+#include "config.h"
+
+#ifdef CPU_PP
+/* TODO: This header is actually portalplayer specific, and should be
+ * moved into an appropriate subdir  */
+
+#include "i2c-pp.h"
+
+#if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200)
+#define AS3514_I2C_ADDR 0x46
+#else
+#error Unknown target!
+#endif
+
+static inline int ascodec_write(unsigned int reg, unsigned int value)
+{
+    return pp_i2c_send(AS3514_I2C_ADDR, reg, value);
+}
+
+static inline int ascodec_read(unsigned int reg)
+{
+    return i2c_readbyte(AS3514_I2C_ADDR, reg);
+}
+
+static inline int ascodec_readbytes(int addr, int len, unsigned char *data)
+{
+    return i2c_readbytes(AS3514_I2C_ADDR, addr, len, data);
+}
+
+static inline void ascodec_lock(void)
+{
+    i2c_lock();
+}
+
+static inline void ascodec_unlock(void)
+{
+    i2c_unlock();
+}
+
+#endif /* CPU_PP */
+
+#endif /* !_ASCODEC_TARGET_H */
-- 
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