msm: qdss: move clk management to separate file
Change-Id: Iabf9f649edb2558a73d9e82a01bdd846178e6144
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
diff --git a/arch/arm/mach-msm/qdss.c b/arch/arm/mach-msm/qdss.c
new file mode 100644
index 0000000..7fdc4d3
--- /dev/null
+++ b/arch/arm/mach-msm/qdss.c
@@ -0,0 +1,59 @@
+/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <mach/rpm.h>
+
+#include "rpm_resources.h"
+#include "qdss.h"
+
+enum {
+ QDSS_CLK_OFF,
+ QDSS_CLK_ON_DBG,
+ QDSS_CLK_ON_HSDBG,
+};
+
+
+int qdss_clk_enable(void)
+{
+ int ret;
+
+ struct msm_rpm_iv_pair iv;
+ iv.id = MSM_RPM_ID_QDSS_CLK;
+ iv.value = QDSS_CLK_ON_DBG;
+ ret = msm_rpmrs_set(MSM_RPM_CTX_SET_0, &iv, 1);
+ if (WARN(ret, "qdss clks not enabled (%d)\n", ret))
+ goto err_clk;
+
+ return 0;
+
+err_clk:
+ return ret;
+}
+
+void qdss_clk_disable(void)
+{
+ int ret;
+ struct msm_rpm_iv_pair iv;
+
+ iv.id = MSM_RPM_ID_QDSS_CLK;
+ iv.value = QDSS_CLK_OFF;
+ ret = msm_rpmrs_set(MSM_RPM_CTX_SET_0, &iv, 1);
+ WARN(ret, "qdss clks not disabled (%d)\n", ret);
+}