From 5df4405317890cc4a84edcfe827a765b52a712c9 Mon Sep 17 00:00:00 2001
From: Michael Sevakis <jethead71@rockbox.org>
Date: Sat, 3 May 2008 15:14:52 +0000
Subject: Gigabeat S: Man it's so loud in here. We have SOUND! Someone please
 make keymaps consistent; it's rather messy atm.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17327 a1c6a512-1295-4272-9138-f99709370657
---
 .../target/arm/imx31/gigabeat-s/wmcodec-imx31.c    | 36 +++++++++++++++-------
 1 file changed, 25 insertions(+), 11 deletions(-)

(limited to 'firmware/target/arm/imx31/gigabeat-s/wmcodec-imx31.c')

diff --git a/firmware/target/arm/imx31/gigabeat-s/wmcodec-imx31.c b/firmware/target/arm/imx31/gigabeat-s/wmcodec-imx31.c
index 235ae54bad..c8a04ce20e 100644
--- a/firmware/target/arm/imx31/gigabeat-s/wmcodec-imx31.c
+++ b/firmware/target/arm/imx31/gigabeat-s/wmcodec-imx31.c
@@ -7,14 +7,9 @@
  *                     \/            \/     \/    \/            \/
  * $Id$
  *
- * Gigabeat  S specific code for the WM8978 codec
+ * Gigabeat S specific code for the WM8978 codec
  *
- * 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)
+ * Copyright (C) 2008 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.
@@ -23,7 +18,8 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
-#include "cpu.h"
+#include "config.h"
+#include "system.h"
 #include "kernel.h"
 #include "sound.h"
 #include "i2c-imx31.h"
@@ -37,15 +33,33 @@ static struct i2c_node wm8978_i2c_node =
     .ifdr = I2C_IFDR_DIV192, /* 66MHz/.4MHz = 165, closest = 192 = 343750Hz */
                              /* Just hard-code for now - scaling may require 
                               * updating */
-    .addr = WM8978_I2C_ADDR,
+    .addr = WMC_I2C_ADDR,
 };
 
 void audiohw_init(void)
 {
+    /* USB PLL = 338.688MHz, /30 = 11.2896MHz = 256Fs */
+    imx31_regmod32(&CLKCTL_PDR1, PDR1_SSI1_PODF | PDR1_SSI2_PODF,
+                   PDR1_SSI1_PODFw(64-1) | PDR1_SSI2_PODFw(5-1));
+    imx31_regmod32(&CLKCTL_PDR1, PDR1_SSI1_PRE_PODF | PDR1_SSI2_PRE_PODF,
+                   PDR1_SSI1_PRE_PODFw(4-1) | PDR1_SSI2_PRE_PODFw(1-1));
     i2c_enable_node(&wm8978_i2c_node, true);
-    GPIO3_DR |= (1 << 21); /* Turn on analogue LDO */
-    sleep(HZ/10);          /* Wait for things to stabilize */
+
     audiohw_preinit();
+
+    GPIO3_DR |= (1 << 21); /* Turn on analogue LDO */
+}
+
+void audiohw_enable_headphone_jack(bool enable)
+{
+    if (enable)
+    {
+        GPIO3_DR |= (1 << 22); /* Turn on headphone jack output */
+    }
+    else
+    {
+        GPIO3_DR &= ~(1 << 22); /* Turn off headphone jack output */
+    }
 }
 
 void wmcodec_write(int reg, int data)
-- 
cgit v1.2.3