From 5cf79723ecb9a22de432d169ce65eb19aa651e8a Mon Sep 17 00:00:00 2001
From: Rafaël Carré <rafael.carre@gmail.com>
Date: Tue, 3 Jan 2012 04:39:56 +0000
Subject: move PP specific files to pp/

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31533 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/pp/wmcodec-pp.c | 112 ++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 firmware/target/arm/pp/wmcodec-pp.c

(limited to 'firmware/target/arm/pp/wmcodec-pp.c')

diff --git a/firmware/target/arm/pp/wmcodec-pp.c b/firmware/target/arm/pp/wmcodec-pp.c
new file mode 100644
index 0000000000..839fd90676
--- /dev/null
+++ b/firmware/target/arm/pp/wmcodec-pp.c
@@ -0,0 +1,112 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Portalplayer 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)
+ *
+ * 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 "system.h"
+#include "audiohw.h"
+#include "i2c-pp.h"
+#include "i2s.h"
+#include "wmcodec.h"
+
+#if defined(IRIVER_H10) || defined(IRIVER_H10_5GB) || \
+    defined(MROBE_100) || defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) || \
+    defined(PBELL_VIBE500)
+/* The H10's audio codec uses an I2C address of 0x1b */
+#define I2C_AUDIO_ADDRESS 0x1b
+#else
+/* The iPod's audio codecs use an I2C address of 0x1a */
+#define I2C_AUDIO_ADDRESS 0x1a
+#endif
+
+
+/*
+ * Initialise the PP I2C and I2S.
+ */
+void audiohw_init(void)
+{
+#ifdef CPU_PP502x
+    /* normal outputs for CDI and I2S pin groups */
+    DEV_INIT2 &= ~0x300;
+
+    /*mini2?*/
+    DEV_INIT1 &=~0x3000000;
+    /*mini2?*/
+
+    /* I2S device reset */
+    DEV_RS |= DEV_I2S;
+    DEV_RS &=~DEV_I2S;
+
+    /* I2S device enable */
+    DEV_EN |= DEV_I2S;
+
+    /* enable external dev clock clocks */
+    DEV_EN |= DEV_EXTCLOCKS;
+
+    /* external dev clock to 24MHz */
+    outl(inl(0x70000018) & ~0xc, 0x70000018);
+#else
+    /* device reset */
+    outl(inl(0xcf005030) | 0x80, 0xcf005030);
+    outl(inl(0xcf005030) & ~0x80, 0xcf005030);
+
+    /* device enable */
+    outl(inl(0xcf005000) | 0x80, 0xcf005000);
+
+    /* GPIO D06 enable for output */
+    outl(inl(0xcf00000c) | 0x40, 0xcf00000c);
+    outl(inl(0xcf00001c) & ~0x40, 0xcf00001c);
+#ifdef IPOD_1G2G
+    /* bits 11,10 == 10 */
+    outl(inl(0xcf004040) & ~0x400, 0xcf004040);
+    outl(inl(0xcf004040) | 0x800, 0xcf004040);
+#else /* IPOD_3G */
+    /* bits 11,10 == 01 */
+    outl(inl(0xcf004040) | 0x400, 0xcf004040);
+    outl(inl(0xcf004040) & ~0x800, 0xcf004040);
+
+    outl(inl(0xcf004048) & ~0x1, 0xcf004048);
+
+    outl(inl(0xcf000004) & ~0xf, 0xcf000004);
+    outl(inl(0xcf004044) & ~0xf, 0xcf004044);
+
+    /* C03 = 0 */
+    outl(inl(0xcf000008) | 0x8, 0xcf000008);
+    outl(inl(0xcf000018) | 0x8, 0xcf000018);
+    outl(inl(0xcf000028) & ~0x8, 0xcf000028);
+#endif /* IPOD_1G2G/3G */
+#endif
+
+    /* reset the I2S controller into known state */
+    i2s_reset();
+
+    audiohw_preinit();
+}
+
+void wmcodec_write(int reg, int data)
+{
+    pp_i2c_send(I2C_AUDIO_ADDRESS, (reg<<1) | ((data&0x100)>>8),data&0xff);
+}
-- 
cgit v1.2.3