1 files changed, 143 insertions, 0 deletions

diff --git a/firmware/target/arm/s5l8702/ipod6g/pmu-ipod6g.c b/firmware/target/arm/s5l8702/ipod6g/pmu-ipod6g.c
new file mode 100644
index 0000000000..73d8f98083
--- /dev/null
+++ b/firmware/target/arm/s5l8702/ipod6g/pmu-ipod6g.c
@@ -0,0 +1,143 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: pmu-nano2g.c 27752 2010-08-08 10:49:32Z bertrik $
+ *
+ * Copyright © 2008 Rafaël Carré
+ *
+ * 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-s5l8702.h"
+#include "pmu-target.h"
+
+static struct mutex pmu_adc_mutex;
+
+int pmu_read_multiple(int address, int count, unsigned char* buffer)
+{
+    return i2c_read(0, 0xe6, address, count, buffer);
+}
+
+int pmu_write_multiple(int address, int count, unsigned char* buffer)
+{
+    return i2c_write(0, 0xe6, address, count, buffer);
+}
+
+unsigned char pmu_read(int address)
+{
+    unsigned char tmp;
+
+    pmu_read_multiple(address, 1, &tmp);
+
+    return tmp;
+}
+
+int pmu_write(int address, unsigned char val)
+{
+    return pmu_write_multiple(address, 1, &val);
+}
+
+void pmu_init(void)
+{
+    mutex_init(&pmu_adc_mutex);
+}
+
+int pmu_read_adc(unsigned int adc)
+{
+    int data = 0;
+    mutex_lock(&pmu_adc_mutex);
+    pmu_write(0x54, 5 | (adc << 4));
+    while ((data & 0x80) == 0)
+    {
+        yield();
+        data = pmu_read(0x57);
+    }
+    int value = (pmu_read(0x55) << 2) | (data & 3);
+    mutex_unlock(&pmu_adc_mutex);
+    return value;
+}
+
+/* millivolts */
+int pmu_read_battery_voltage(void)
+{
+    return pmu_read_adc(0) * 6;
+}
+
+/* milliamps */
+int pmu_read_battery_current(void)
+{
+//    return pmu_read_adc(2);
+    return 0;
+}
+
+void pmu_ldo_on_in_standby(unsigned int ldo, int onoff)
+{
+    if (ldo < 4)
+    {
+        unsigned char newval = pmu_read(0x3B) & ~(1 << (2 * ldo));
+        if (onoff) newval |= 1 << (2 * ldo);
+        pmu_write(0x3B, newval);
+    }
+    else if (ldo < 8)
+    {
+        unsigned char newval = pmu_read(0x3C) & ~(1 << (2 * (ldo - 4)));
+        if (onoff) newval |= 1 << (2 * (ldo - 4));
+        pmu_write(0x3C, newval);
+    }
+}
+
+void pmu_ldo_set_voltage(unsigned int ldo, unsigned char voltage)
+{
+    if (ldo > 6) return;
+    pmu_write(0x2d + (ldo << 1), voltage);
+}
+
+void pmu_hdd_power(bool on)
+{
+    pmu_write(0x1b, on ? 1 : 0);
+}
+
+void pmu_ldo_power_on(unsigned int ldo)
+{
+    if (ldo > 6) return;
+    pmu_write(0x2e + (ldo << 1), 1);
+}
+
+void pmu_ldo_power_off(unsigned int ldo)
+{
+    if (ldo > 6) return;
+    pmu_write(0x2e + (ldo << 1), 0);
+}
+
+void pmu_set_wake_condition(unsigned char condition)
+{
+    pmu_write(0xd, condition);
+}
+
+void pmu_enter_standby(void)
+{
+    pmu_write(0xc, 1);
+}
+
+void pmu_read_rtc(unsigned char* buffer)
+{
+    pmu_read_multiple(0x59, 7, buffer);
+}
+
+void pmu_write_rtc(unsigned char* buffer)
+{
+    pmu_write_multiple(0x59, 7, buffer);
+}