[media] v4l: vsp1: Make rwpf operations independent of video device

The rwpf queue operation doesn't queue a buffer but sets the memory
address for the next run. Rename it to set_memory and pass it a new
structure independent of the video buffer than only contains memory
information.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/vsp1/vsp1_rpf.c

@@ -186,28 +186,28 @@ static struct v4l2_subdev_ops rpf_ops = {
  * Video Device Operations
  */
 
-static void rpf_buf_queue(struct vsp1_rwpf *rpf, struct vsp1_vb2_buffer *buf)
+static void rpf_set_memory(struct vsp1_rwpf *rpf, struct vsp1_rwpf_memory *mem)
 {
 	unsigned int i;
 
 	for (i = 0; i < 3; ++i)
-		rpf->buf_addr[i] = buf->addr[i];
+		rpf->buf_addr[i] = mem->addr[i];
 
 	if (!vsp1_entity_is_streaming(&rpf->entity))
 		return;
 
 	vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y,
-		       buf->addr[0] + rpf->offsets[0]);
-	if (buf->buf.vb2_buf.num_planes > 1)
+		       mem->addr[0] + rpf->offsets[0]);
+	if (mem->num_planes > 1)
 		vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0,
-			       buf->addr[1] + rpf->offsets[1]);
-	if (buf->buf.vb2_buf.num_planes > 2)
+			       mem->addr[1] + rpf->offsets[1]);
+	if (mem->num_planes > 2)
 		vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1,
-			       buf->addr[2] + rpf->offsets[1]);
+			       mem->addr[2] + rpf->offsets[1]);
 }
 
 static const struct vsp1_rwpf_operations rpf_vdev_ops = {
-	.queue = rpf_buf_queue,
+	.set_memory = rpf_set_memory,
 };
 
 /* -----------------------------------------------------------------------------

drivers/media/platform/vsp1/vsp1_rwpf.h

@@ -24,10 +24,16 @@
 #define RWPF_PAD_SOURCE				1
 
 struct vsp1_rwpf;
-struct vsp1_vb2_buffer;
+
+struct vsp1_rwpf_memory {
+	unsigned int num_planes;
+	dma_addr_t addr[3];
+	unsigned int length[3];
+};
 
 struct vsp1_rwpf_operations {
-	void (*queue)(struct vsp1_rwpf *rwpf, struct vsp1_vb2_buffer *buf);
+	void (*set_memory)(struct vsp1_rwpf *rwpf,
+			   struct vsp1_rwpf_memory *mem);
 };
 
 struct vsp1_rwpf {

drivers/media/platform/vsp1/vsp1_video.c

@@ -628,7 +628,8 @@ vsp1_video_complete_buffer(struct vsp1_video *video)
 	done->buf.sequence = video->sequence++;
 	done->buf.vb2_buf.timestamp = ktime_get_ns();
 	for (i = 0; i < done->buf.vb2_buf.num_planes; ++i)
-		vb2_set_plane_payload(&done->buf.vb2_buf, i, done->length[i]);
+		vb2_set_plane_payload(&done->buf.vb2_buf, i,
+				      done->mem.length[i]);
 	vb2_buffer_done(&done->buf.vb2_buf, VB2_BUF_STATE_DONE);
 
 	return next;
@@ -646,7 +647,7 @@ static void vsp1_video_frame_end(struct vsp1_pipeline *pipe,
 
 	spin_lock_irqsave(&pipe->irqlock, flags);
 
-	video->rwpf->ops->queue(video->rwpf, buf);
+	video->rwpf->ops->set_memory(video->rwpf, &buf->mem);
 	pipe->buffers_ready |= 1 << video->pipe_index;
 
 	spin_unlock_irqrestore(&pipe->irqlock, flags);
@@ -843,11 +844,13 @@ static int vsp1_video_buffer_prepare(struct vb2_buffer *vb)
 	if (vb->num_planes < format->num_planes)
 		return -EINVAL;
 
+	buf->mem.num_planes = vb->num_planes;
+
 	for (i = 0; i < vb->num_planes; ++i) {
-		buf->addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
-		buf->length[i] = vb2_plane_size(vb, i);
+		buf->mem.addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
+		buf->mem.length[i] = vb2_plane_size(vb, i);
 
-		if (buf->length[i] < format->plane_fmt[i].sizeimage)
+		if (buf->mem.length[i] < format->plane_fmt[i].sizeimage)
 			return -EINVAL;
 	}
 
@@ -873,7 +876,7 @@ static void vsp1_video_buffer_queue(struct vb2_buffer *vb)
 
 	spin_lock_irqsave(&pipe->irqlock, flags);
 
-	video->rwpf->ops->queue(video->rwpf, buf);
+	video->rwpf->ops->set_memory(video->rwpf, &buf->mem);
 	pipe->buffers_ready |= 1 << video->pipe_index;
 
 	if (vb2_is_streaming(&video->queue) &&

drivers/media/platform/vsp1/vsp1_video.h

@@ -20,7 +20,8 @@
 #include <media/media-entity.h>
 #include <media/videobuf2-v4l2.h>
 
-struct vsp1_rwpf;
+#include "vsp1_rwpf.h"
+
 struct vsp1_video;
 
 /*
@@ -97,9 +98,7 @@ static inline struct vsp1_pipeline *to_vsp1_pipeline(struct media_entity *e)
 struct vsp1_vb2_buffer {
 	struct vb2_v4l2_buffer buf;
 	struct list_head queue;
-
-	dma_addr_t addr[3];
-	unsigned int length[3];
+	struct vsp1_rwpf_memory mem;
 };
 
 static inline struct vsp1_vb2_buffer *

drivers/media/platform/vsp1/vsp1_wpf.c

@@ -195,17 +195,17 @@ static struct v4l2_subdev_ops wpf_ops = {
  * Video Device Operations
  */
 
-static void wpf_buf_queue(struct vsp1_rwpf *wpf, struct vsp1_vb2_buffer *buf)
+static void wpf_set_memory(struct vsp1_rwpf *wpf, struct vsp1_rwpf_memory *mem)
 {
-	vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_Y, buf->addr[0]);
-	if (buf->buf.vb2_buf.num_planes > 1)
-		vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C0, buf->addr[1]);
-	if (buf->buf.vb2_buf.num_planes > 2)
-		vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C1, buf->addr[2]);
+	vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_Y, mem->addr[0]);
+	if (mem->num_planes > 1)
+		vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C0, mem->addr[1]);
+	if (mem->num_planes > 2)
+		vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C1, mem->addr[2]);
 }
 
 static const struct vsp1_rwpf_operations wpf_vdev_ops = {
-	.queue = wpf_buf_queue,
+	.set_memory = wpf_set_memory,
 };
 
 /* -----------------------------------------------------------------------------