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.h

@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _MSM_VIDC_H_
+#define _MSM_VIDC_H_
+
+#include <linux/videodev2.h>
+#include <media/media-device.h>
+
+union msm_v4l2_cmd {
+	struct v4l2_decoder_cmd dec;
+	struct v4l2_encoder_cmd enc;
+};
+
+void *msm_vidc_open(void *core, u32 session_type);
+int msm_vidc_close(void *instance);
+int msm_vidc_suspend(int core_id);
+int msm_vidc_querycap(void *instance, struct v4l2_capability *cap);
+int msm_vidc_enum_fmt(void *instance, struct v4l2_fmtdesc *f);
+int msm_vidc_s_fmt(void *instance, struct v4l2_format *f);
+int msm_vidc_g_fmt(void *instance, struct v4l2_format *f);
+int msm_vidc_s_ctrl(void *instance, struct v4l2_control *a);
+int msm_vidc_s_ext_ctrl(void *instance, struct v4l2_ext_controls *a);
+int msm_vidc_g_ext_ctrl(void *instance, struct v4l2_ext_controls *a);
+int msm_vidc_g_ctrl(void *instance, struct v4l2_control *a);
+int msm_vidc_reqbufs(void *instance, struct v4l2_requestbuffers *b);
+int msm_vidc_release_buffer(void *instance, int buffer_type,
+		unsigned int buffer_index);
+int msm_vidc_qbuf(void *instance, struct media_device *mdev,
+		struct v4l2_buffer *b);
+int msm_vidc_dqbuf(void *instance, struct v4l2_buffer *b);
+int msm_vidc_streamon(void *instance, enum v4l2_buf_type i);
+int msm_vidc_query_ctrl(void *instance, struct v4l2_queryctrl *ctrl);
+int msm_vidc_query_menu(void *instance, struct v4l2_querymenu *qmenu);
+int msm_vidc_streamoff(void *instance, enum v4l2_buf_type i);
+int msm_vidc_cmd(void *instance, union msm_v4l2_cmd *cmd);
+int msm_vidc_poll(void *instance, struct file *filp,
+		struct poll_table_struct *pt);
+int msm_vidc_subscribe_event(void *instance,
+		const struct v4l2_event_subscription *sub);
+int msm_vidc_unsubscribe_event(void *instance,
+		const struct v4l2_event_subscription *sub);
+int msm_vidc_dqevent(void *instance, struct v4l2_event *event);
+int msm_vidc_g_crop(void *instance, struct v4l2_crop *a);
+int msm_vidc_enum_framesizes(void *instance, struct v4l2_frmsizeenum *fsize);
+#endif