soc: qcom: idle: Snapshot of idle/sleep driver as of msm-3.18

This is a snapshot of the Sleep driver and realted functionality as of
e70ad0cd5efdd9dc91a77dcdac31d6132e1315c1 on msm-3.18 branch

Change-Id: I98fec26849898c5c66abbb1b094439780c23964d

1 files changed, 93 insertions, 0 deletions

diff --git a/include/linux/coresight-cti.h b/include/linux/coresight-cti.h
new file mode 100644
index 000000000000..73f56b76cc18
--- /dev/null
+++ b/include/linux/coresight-cti.h
@@ -0,0 +1,93 @@
+/* Copyright (c) 2013-2014, The Linux Foundation. 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.
+ */
+
+#ifndef _LINUX_CORESIGHT_CTI_H
+#define _LINUX_CORESIGHT_CTI_H
+
+#include <linux/list.h>
+
+struct coresight_cti_data {
+	int nr_ctis;
+	const char **names;
+};
+
+struct coresight_cti {
+	const char *name;
+	struct list_head link;
+};
+
+#ifdef CONFIG_CORESIGHT_CTI
+extern struct coresight_cti *coresight_cti_get(const char *name);
+extern void coresight_cti_put(struct coresight_cti *cti);
+extern int coresight_cti_map_trigin(
+			struct coresight_cti *cti, int trig, int ch);
+extern int coresight_cti_map_trigout(
+			struct coresight_cti *cti, int trig, int ch);
+extern void coresight_cti_unmap_trigin(
+			struct coresight_cti *cti, int trig, int ch);
+extern void coresight_cti_unmap_trigout(
+			struct coresight_cti *cti, int trig, int ch);
+extern void coresight_cti_reset(struct coresight_cti *cti);
+extern int coresight_cti_set_trig(struct coresight_cti *cti, int ch);
+extern void coresight_cti_clear_trig(struct coresight_cti *cti, int ch);
+extern int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch);
+extern int coresight_cti_enable_gate(struct coresight_cti *cti, int ch);
+extern void coresight_cti_disable_gate(struct coresight_cti *cti, int ch);
+extern void coresight_cti_ctx_save(void);
+extern void coresight_cti_ctx_restore(void);
+extern int coresight_cti_ack_trig(struct coresight_cti *cti, int trig);
+#else
+static inline struct coresight_cti *coresight_cti_get(const char *name)
+{
+	return NULL;
+}
+static inline void coresight_cti_put(struct coresight_cti *cti) {}
+static inline int coresight_cti_map_trigin(
+			struct coresight_cti *cti, int trig, int ch)
+{
+	return -ENOSYS;
+}
+static inline int coresight_cti_map_trigout(
+			struct coresight_cti *cti, int trig, int ch)
+{
+	return -ENOSYS;
+}
+static inline void coresight_cti_unmap_trigin(
+			struct coresight_cti *cti, int trig, int ch) {}
+static inline void coresight_cti_unmap_trigout(
+			struct coresight_cti *cti, int trig, int ch) {}
+static inline void coresight_cti_reset(struct coresight_cti *cti) {}
+static inline int coresight_cti_set_trig(struct coresight_cti *cti, int ch)
+{
+	return -ENOSYS;
+}
+static inline void coresight_cti_clear_trig(struct coresight_cti *cti, int ch)
+{}
+static inline int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch)
+{
+	return -ENOSYS;
+}
+static inline int coresight_cti_enable_gate(struct coresight_cti *cti, int ch)
+{
+	return -ENOSYS;
+}
+static inline void coresight_cti_disable_gate(struct coresight_cti *cti, int ch)
+{}
+static inline void coresight_cti_ctx_save(void){}
+static inline void coresight_cti_ctx_restore(void){}
+static inline int coresight_cti_ack_trig(struct coresight_cti *cti, int trig)
+{
+	return -ENOSYS;
+}
+#endif
+
+#endif