firmware: imx: add misc svc support

Add SCU MISC SVC support which provides misc control get/set functions.

Cc: Shawn Guo <shawnguo@kernel.org>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

2 files changed, 56 insertions, 0 deletions

diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h
index ff3227ad8d7c..29ada609de03 100644
--- a/include/linux/firmware/imx/sci.h
+++ b/include/linux/firmware/imx/sci.h
@@ -13,4 +13,5 @@
 #include <linux/firmware/imx/ipc.h>
 #include <linux/firmware/imx/types.h>
 
+#include <linux/firmware/imx/svc/misc.h>
 #endif /* _SC_SCI_H */
diff --git a/include/linux/firmware/imx/svc/misc.h b/include/linux/firmware/imx/svc/misc.h
new file mode 100644
index 000000000000..e21c49aba92f
--- /dev/null
+++ b/include/linux/firmware/imx/svc/misc.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ *
+ * Header file containing the public API for the System Controller (SC)
+ * Miscellaneous (MISC) function.
+ *
+ * MISC_SVC (SVC) Miscellaneous Service
+ *
+ * Module for the Miscellaneous (MISC) service.
+ */
+
+#ifndef _SC_MISC_API_H
+#define _SC_MISC_API_H
+
+#include <linux/firmware/imx/sci.h>
+
+/*
+ * This type is used to indicate RPC MISC function calls.
+ */
+enum imx_misc_func {
+        IMX_SC_MISC_FUNC_UNKNOWN = 0,
+        IMX_SC_MISC_FUNC_SET_CONTROL = 1,
+        IMX_SC_MISC_FUNC_GET_CONTROL = 2,
+        IMX_SC_MISC_FUNC_SET_MAX_DMA_GROUP = 4,
+        IMX_SC_MISC_FUNC_SET_DMA_GROUP = 5,
+        IMX_SC_MISC_FUNC_SECO_IMAGE_LOAD = 8,
+        IMX_SC_MISC_FUNC_SECO_AUTHENTICATE = 9,
+        IMX_SC_MISC_FUNC_DEBUG_OUT = 10,
+        IMX_SC_MISC_FUNC_WAVEFORM_CAPTURE = 6,
+        IMX_SC_MISC_FUNC_BUILD_INFO = 15,
+        IMX_SC_MISC_FUNC_UNIQUE_ID = 19,
+        IMX_SC_MISC_FUNC_SET_ARI = 3,
+        IMX_SC_MISC_FUNC_BOOT_STATUS = 7,
+        IMX_SC_MISC_FUNC_BOOT_DONE = 14,
+        IMX_SC_MISC_FUNC_OTP_FUSE_READ = 11,
+        IMX_SC_MISC_FUNC_OTP_FUSE_WRITE = 17,
+        IMX_SC_MISC_FUNC_SET_TEMP = 12,
+        IMX_SC_MISC_FUNC_GET_TEMP = 13,
+        IMX_SC_MISC_FUNC_GET_BOOT_DEV = 16,
+        IMX_SC_MISC_FUNC_GET_BUTTON_STATUS = 18,
+};
+
+/*
+ * Control Functions
+ */
+
+int imx_sc_misc_set_control(struct imx_sc_ipc *ipc, u32 resource,
+                            u8 ctrl, u32 val);
+
+int imx_sc_misc_get_control(struct imx_sc_ipc *ipc, u32 resource,
+                            u8 ctrl, u32 *val);
+
+#endif /* _SC_MISC_API_H */