1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/staging/csr/csr_time.c b/drivers/staging/csr/csr_time.c
new file mode 100644
index 000000000000..1ef61e3efac6
--- /dev/null
+++ b/drivers/staging/csr/csr_time.c
@@ -0,0 +1,71 @@
+/*****************************************************************************
+
+            (c) Cambridge Silicon Radio Limited 2010
+            All rights reserved and confidential information of CSR
+
+            Refer to LICENSE.txt included with this source for details
+            on the license terms.
+
+*****************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33)
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
+#include <linux/autoconf.h>
+#include <linux/config.h>
+#endif
+
+#include <linux/time.h>
+#include <linux/module.h>
+
+#include "csr_types.h"
+#include "csr_time.h"
+
+CsrTime CsrTimeGet(CsrTime *high)
+{
+    struct timespec ts;
+    CsrUint64 time;
+    CsrTime low;
+
+    ts = current_kernel_time();
+    time = (CsrUint64) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
+
+    if (high != NULL)
+    {
+        *high = (CsrTime) ((time >> 32) & 0xFFFFFFFF);
+    }
+
+    low = (CsrTime) (time & 0xFFFFFFFF);
+
+    return low;
+}
+EXPORT_SYMBOL_GPL(CsrTimeGet);
+
+void CsrTimeUtcGet(CsrTimeUtc *tod, CsrTime *low, CsrTime *high)
+{
+    struct timespec ts;
+    CsrUint64 time;
+
+    ts = current_kernel_time();
+    time = (CsrUint64) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
+
+    if (high != NULL)
+    {
+        *high = (CsrTime) ((time >> 32) & 0xFFFFFFFF);
+    }
+
+    if (low != NULL)
+    {
+        *low = (CsrTime) (time & 0xFFFFFFFF);
+    }
+
+    if (tod != NULL)
+    {
+        struct timeval tv;
+        do_gettimeofday(&tv);
+        tod->sec = tv.tv_sec;
+        tod->msec = tv.tv_usec / 1000;
+    }
+}