1 files changed, 71 insertions, 0 deletions
diff --git a/include/soc/imx8/sc/ipc.h b/include/soc/imx8/sc/ipc.h
new file mode 100644
index 000000000000..d87f9189fba3
--- /dev/null
+++ b/include/soc/imx8/sc/ipc.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+/*!
+ * Header file for the IPC implementation.
+ */
+
+#ifndef _SC_IPC_H
+#define _SC_IPC_H
+
+/* Includes */
+
+#include <linux/thermal.h>
+#include <soc/imx8/sc/types.h>
+
+/* Defines */
+
+/* Types */
+
+/* Functions */
+
+/*!
+ * This function opens an IPC channel.
+ *
+ * @param[out]    ipc         return pointer for ipc handle
+ * @param[in]     id          id of channel to open
+ *
+ * @return Returns an error code (SC_ERR_NONE = success, SC_ERR_IPC
+ *         otherwise).
+ *
+ * The \a id parameter is implementation specific. Could be an MU
+ * address, pointer to a driver path, channel index, etc.
+ */
+sc_err_t sc_ipc_open(sc_ipc_t *ipc, sc_ipc_id_t id);
+
+/*!
+ * This function closes an IPC channel.
+ *
+ * @param[in]     ipc         id of channel to close
+ */
+void sc_ipc_close(sc_ipc_t ipc);
+
+/*!
+ * This function reads a message from an IPC channel.
+ *
+ * @param[in]     ipc         id of channel read from
+ * @param[out]    data        pointer to message buffer to read
+ *
+ * This function will block if no message is available to be read.
+ */
+void sc_ipc_read(sc_ipc_t ipc, void *data);
+
+/*!
+ * This function writes a message to an IPC channel.
+ *
+ * @param[in]     ipc         id of channel to write to
+ * @param[in]     data        pointer to message buffer to write
+ *
+ * This function will block if the outgoing buffer is full.
+ */
+void sc_ipc_write(sc_ipc_t ipc, void *data);
+
+int register_scu_notifier(struct notifier_block *nb);
+int unregister_scu_notifier(struct notifier_block *nb);
+
+#endif /* _SC_IPC_H */
+