Create an udacodec interface (similar to ascodec and wmcoded) and adapt/implement it for the iriver h1xx/h3xx and the meizus.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21546 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 76 insertions, 0 deletions

diff --git a/firmware/target/coldfire/iriver/udacodec-iriver.c b/firmware/target/coldfire/iriver/udacodec-iriver.c
new file mode 100644
index 0000000000..6c41964ffa
--- /dev/null
+++ b/firmware/target/coldfire/iriver/udacodec-iriver.c
@@ -0,0 +1,76 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Bertrik Sikken
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "kernel.h"
+#include "i2c-coldfire.h"
+#include "pcf50606.h"
+#include "uda1380.h"
+#include "udacodec.h"
+
+void udacodec_reset(void)
+{
+#ifdef IRIVER_H300_SERIES
+    int mask = disable_irq_save();
+    pcf50606_write(0x3b, 0x00);  /* GPOOD2 high Z */
+    pcf50606_write(0x3b, 0x07);  /* GPOOD2 low */
+    restore_irq(mask);
+#else
+    /* RESET signal */
+    or_l(1<<29, &GPIO_OUT);
+    or_l(1<<29, &GPIO_ENABLE);
+    or_l(1<<29, &GPIO_FUNCTION);
+    sleep(HZ/100);
+    and_l(~(1<<29), &GPIO_OUT);
+#endif
+}
+
+int udacodec_write(unsigned char reg, unsigned short value)
+{
+    unsigned char data[3];
+
+    data[0] = reg;
+    data[1] = value >> 8;
+    data[2] = value & 0xff;
+
+    if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 3) != 3) {
+        return -1;
+    }
+    return 0;
+}
+
+int udacodec_write2(unsigned char reg, 
+                    unsigned short value1, unsigned short value2) 
+{
+    unsigned char data[5];
+    
+    data[0] = reg;
+    data[1] = value1 >> 8;
+    data[2] = value1 & 0xFF;
+    data[3] = value2 >> 8;
+    data[4] = value2 & 0xFF;
+
+    if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 5) != 5) {
+        return -1;
+    }
+    return 0;
+}                            
+