Merge remote-tracking branch 'todor/release/qcomlt-4.4-camss-demo2' into release...

[karo-tx-linux.git] / drivers / media / platform / msm / camss-8x16 / video.h

diff --git a/drivers/media/platform/msm/camss-8x16/video.h b/drivers/media/platform/msm/camss-8x16/video.h
new file mode 100644 (file)
index 0000000..4cd7f01
--- /dev/null
+++ b/drivers/media/platform/msm/camss-8x16/video.h
@@ -0,0 +1,62 @@
+/*
+ * video.h
+ *
+ * Qualcomm MSM Camera Subsystem - V4L2 device node
+ *
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2015-2016 Linaro Ltd.
+ *
+ * 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 QC_MSM_CAMSS_VIDEO_H
+#define QC_MSM_CAMSS_VIDEO_H
+
+#include <linux/videodev2.h>
+#include <media/media-entity.h>
+#include <media/v4l2-dev.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-fh.h>
+#include <media/videobuf2-core.h>
+
+struct msm_video_buffer {
+       struct vb2_buffer vb;
+       unsigned long size;
+       dma_addr_t addr;
+       struct list_head dma_queue;
+};
+
+struct camss_video {
+       struct v4l2_fh fh;
+       struct camss *camss;
+       void *alloc_ctx;
+       struct vb2_queue vb2_q;
+       struct video_device video;
+       struct media_pad pad;
+       struct v4l2_format active_fmt;
+       enum v4l2_buf_type type;
+       struct media_pipeline pipe;
+       struct msm_video_ops *ops;
+};
+
+struct msm_video_ops {
+       int (*queue_dmabuf)(struct camss_video *vid, struct msm_video_buffer *buf);
+       int (*flush_dmabufs)(struct camss_video *vid);
+};
+
+#define msm_video_call(f, op, args...)                 \
+       (!(f) ? -ENODEV : (((f)->ops && (f)->ops->op) ? \
+                           (f)->ops->op((f), ##args) : -ENOIOCTLCMD))
+
+int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
+                      const char *name);
+
+void msm_video_unregister(struct camss_video *video);
+
+#endif /* QC_MSM_CAMSS_VIDEO_H */