techpack: video: add video driver

Add initial video driver files.

Change-Id: Icd48bbf31e435cf36f149d6c3267cf3a4d7913b3
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>

driver/vidc/inc/hfi_packet.h

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _HFI_PACKET_H_
+#define _HFI_PACKET_H_
+
+#include "msm_vidc_internal.h"
+#include "msm_vidc_inst.h"
+#include "msm_vidc_core.h"
+
+struct hfi_header {
+	u32 size;
+	u32 session_id;
+	u32 header_id;
+	u32 reserved[4];
+	u32 num_packets;
+};
+
+struct hfi_packet {
+	u32 size;
+	u32 type;
+	u32 flags;
+	u32 payload_info;
+	u32 port;
+	u32 packet_id;
+	u32 reserved[2];
+};
+
+struct hfi_buffer {
+	u32 type;
+	u32 index;
+	u64 base_address;
+	u32 addr_offset;
+	u32 buffer_size;
+	u32 data_offset;
+	u32 data_size;
+	u32 flags;
+	u64 timestamp;
+	u32 reserved[5];
+};
+
+int hfi_packet_sys_init(struct msm_vidc_core *core,
+		void *packet, u32 packet_size);
+int hfi_packet_image_version(struct msm_vidc_core *core,
+		void *packet, u32 packet_size);
+int hfi_packet_sys_debug_config(struct msm_vidc_core *core,
+		void *packet, u32 packet_size, u32 mode);
+int hfi_packet_sys_pc_prep(struct msm_vidc_core *core,
+		void *packet, u32 packet_size);
+
+#endif // _HFI_PACKET_H_