Add samsung specific changes

include/linux/hdm.h

@@ -0,0 +1,52 @@
+/*
+ * @file hdm.h
+ * @brief Header file for HDM driver
+ * Copyright (c) 2019, Samsung Electronics Corporation. 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 __HDM_H__
+#define __HDM_H__
+#include <linux/types.h>
+
+
+#ifndef __ASSEMBLY__
+
+#define HDM_CMD_LEN ((size_t)8)
+
+#define HDM_P_BITMASK       0x3FF
+#define HDM_C_BITMASK       0xF0000
+#define HDM_FLAG_UPDATE     0x10000
+
+#define HDM_HYP_CALL        0x40000
+#define HDM_HYP_INIT        0x50000
+#define HDM_HYP_CLEAR       0x60000
+#define HDM_HYP_CALLP       0x80000
+#define HDM_CMD_MAX         0xFFFFF
+
+#define HDM_GET_SUPPORTED_SUBSYSTEM 6
+
+#define HDM_CAM     0x1
+#define HDM_MMC     0x2
+#define HDM_USB     0x4
+#define HDM_WIFI    0x8
+#define HDM_BT      0x10
+#define HDM_GPS     0x20
+#define HDM_NFC     0x40
+#define HDM_AUD     0x80
+#define HDM_CP      0x100
+#define HDM_SPK     0x200
+#define MAX_DEVICE_NUM  10
+
+extern bool hdm_is_applied(uint32_t);
+
+#endif //__ASSEMBLY__
+#endif //__HDM_H__