[media] v4l: soc-camera: Remove videobuf1 support

All remaining soc-camera drivers use videobuf2, drop support for
videobuf1.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: also drop 'select VIDEOBUF_GEN' from Kconfig]

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 1a15c3e..4d8cb07 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -17,7 +17,6 @@
 #include <linux/mutex.h>
 #include <linux/pm.h>
 #include <linux/videodev2.h>
-#include <media/videobuf-core.h>
 #include <media/videobuf2-v4l2.h>
 #include <media/v4l2-async.h>
 #include <media/v4l2-ctrls.h>
@@ -55,10 +54,7 @@
 	/* Asynchronous subdevice management */
 	struct soc_camera_async_client *sasc;
 	/* video buffer queue */
-	union {
-		struct videobuf_queue vb_vidq;
-		struct vb2_queue vb2_vidq;
-	};
+	struct vb2_queue vb2_vidq;
 };
 
 /* Host supports programmable stride */
@@ -114,11 +110,8 @@
 	int (*set_liveselection)(struct soc_camera_device *, struct v4l2_selection *);
 	int (*set_fmt)(struct soc_camera_device *, struct v4l2_format *);
 	int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
-	void (*init_videobuf)(struct videobuf_queue *,
-			      struct soc_camera_device *);
 	int (*init_videobuf2)(struct vb2_queue *,
 			      struct soc_camera_device *);
-	int (*reqbufs)(struct soc_camera_device *, struct v4l2_requestbuffers *);
 	int (*querycap)(struct soc_camera_host *, struct v4l2_capability *);
 	int (*set_bus_param)(struct soc_camera_device *);
 	int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
@@ -396,11 +389,6 @@
 	return container_of(vq, struct soc_camera_device, vb2_vidq);
 }
 
-static inline struct soc_camera_device *soc_camera_from_vbq(const struct videobuf_queue *vq)
-{
-	return container_of(vq, struct soc_camera_device, vb_vidq);
-}
-
 static inline u32 soc_camera_grp_id(const struct soc_camera_device *icd)
 {
 	return (icd->iface << 8) | (icd->devnum + 1);