1 files changed, 136 insertions, 0 deletions

diff --git a/firmware/target/arm/philips/sa9200/power-sa9200.c b/firmware/target/arm/philips/sa9200/power-sa9200.c
new file mode 100644
index 0000000000..8c8214a7ce
--- /dev/null
+++ b/firmware/target/arm/philips/sa9200/power-sa9200.c
@@ -0,0 +1,136 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Daniel Ankers
+ *
+ * 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdbool.h>
+#include "system.h"
+#include "cpu.h"
+#include "i2c-pp.h"
+#include "tuner.h"
+#include "as3514.h"
+#include "power.h"
+
+void power_init(void)
+{
+}
+
+void power_off(void)
+{
+    char byte;
+
+    /* Send shutdown command to PMU */
+    byte = i2c_readbyte(AS3514_I2C_ADDR, AS3514_SYSTEM);
+    byte &= ~0x1;   
+    pp_i2c_send(AS3514_I2C_ADDR, AS3514_SYSTEM, byte);
+
+    /* Stop interrupts on both cores */
+    disable_interrupt(IRQ_FIQ_STATUS);
+    COP_INT_CLR = -1;
+    CPU_INT_CLR = -1;
+
+    /* Halt everything and wait for device to power off */
+    while (1)
+    {
+        COP_CTL = 0x40000000;
+        CPU_CTL = 0x40000000;
+    }
+}
+
+bool charger_inserted(void)
+{
+#ifdef SANSA_E200
+    if(GPIOB_INPUT_VAL & 0x10)
+#else /* SANSA_C200 */
+    if(GPIOH_INPUT_VAL & 0x2)
+#endif
+        return true;
+    return false;
+}
+
+void ide_power_enable(bool on)
+{
+    (void)on;
+}
+
+#if CONFIG_TUNER
+
+/** Tuner **/
+static bool powered = false;
+
+bool tuner_power(bool status)
+{
+    bool old_status;
+    lv24020lp_lock();
+
+    old_status = powered;
+
+    if (status != old_status)
+    {
+        if (status)
+        {
+            /* init mystery amplification device */
+#if defined(SANSA_E200)
+            GPO32_ENABLE |= 0x1;
+#else /* SANSA_C200 */
+            DEV_INIT2 &= ~0x800;
+#endif
+            udelay(5);
+
+            /* When power up, host should initialize the 3-wire bus
+               in host read mode: */
+
+            /* 1. Set direction of the DATA-line to input-mode. */
+            GPIOH_OUTPUT_EN &= ~(1 << 5); 
+            GPIOH_ENABLE |= (1 << 5); 
+
+            /* 2. Drive NR_W low */
+            GPIOH_OUTPUT_VAL &= ~(1 << 3); 
+            GPIOH_OUTPUT_EN |= (1 << 3); 
+            GPIOH_ENABLE |= (1 << 3); 
+
+            /* 3. Drive CLOCK high */
+            GPIOH_OUTPUT_VAL |= (1 << 4); 
+            GPIOH_OUTPUT_EN |= (1 << 4); 
+            GPIOH_ENABLE |= (1 << 4);
+
+            lv24020lp_power(true);
+        }
+        else
+        {
+            lv24020lp_power(false);
+
+            /* set all as inputs */
+            GPIOH_OUTPUT_EN &= ~((1 << 5) | (1 << 3) | (1 << 4));
+            GPIOH_ENABLE &= ~((1 << 3) | (1 << 4)); 
+
+            /* turn off mystery amplification device */
+#if defined (SANSA_E200)
+            GPO32_ENABLE &= ~0x1;
+#else
+            DEV_INIT2 |= 0x800;
+#endif
+        }
+
+        powered = status;
+    }
+
+    lv24020lp_unlock();
+    return old_status;
+}
+
+#endif /* CONFIG_TUNER */