techpack: video: add video driver

Add initial video driver files.

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

driver/vidc/inc/msm_vidc_driver.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _MSM_VIDC_DRIVER_H_
+#define _MSM_VIDC_DRIVER_H_
+
+#include <linux/workqueue.h>
+#include <linux/iommu.h>
+
+#include "msm_vidc_internal.h"
+#include "msm_vidc_core.h"
+#include "msm_vidc_inst.h"
+
+static inline is_decode_session(struct msm_vidc_inst *inst)
+{
+	return inst->domain == MSM_VIDC_DECODER;
+}
+
+static inline is_encode_session(struct msm_vidc_inst *inst)
+{
+	return inst->domain == MSM_VIDC_ENCODER;
+}
+
+int msm_vidc_add_session(struct msm_vidc_inst *inst);
+int msm_vidc_core_init(struct msm_vidc_core *core);
+int msm_vidc_smmu_fault_handler(struct iommu_domain *domain,
+		struct device *dev, unsigned long iova, int flags, void *data);
+int msm_vidc_trigger_ssr(struct msm_vidc_core *core,
+		enum msm_vidc_ssr_trigger_type type);
+void msm_vidc_ssr_handler(struct work_struct *work);
+void msm_vidc_pm_work_handler(struct work_struct *work);
+void msm_vidc_fw_unload_handler(struct work_struct *work);
+void msm_vidc_batch_handler(struct work_struct *work);
+int msm_vidc_setup_event_queue(struct msm_vidc_inst *inst);
+int msm_vidc_queue_init(struct msm_vidc_inst *inst);
+u32 msm_vidc_convert_color_fmt(u32 v4l2_fmt);
+
+#endif // _MSM_VIDC_DRIVER_H_
+