[media] media: blackfin: bfin_capture: use vb2_ioctl_* helpers
this patch adds support to vb2_ioctl_* helpers. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Tested-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -276,6 +276,7 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count)
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struct ppi_if *ppi = bcap_dev->ppi;
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struct bcap_buffer *buf, *tmp;
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struct ppi_params params;
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dma_addr_t addr;
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int ret;
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/* enable streamon on the sub device */
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@ -335,6 +336,17 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count)
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reinit_completion(&bcap_dev->comp);
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bcap_dev->stop = false;
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/* get the next frame from the dma queue */
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bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
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struct bcap_buffer, list);
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/* remove buffer from the dma queue */
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list_del_init(&bcap_dev->cur_frm->list);
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addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0);
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/* update DMA address */
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ppi->ops->update_addr(ppi, (unsigned long)addr);
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/* enable ppi */
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ppi->ops->start(ppi);
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return 0;
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err:
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@ -381,40 +393,6 @@ static struct vb2_ops bcap_video_qops = {
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.stop_streaming = bcap_stop_streaming,
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};
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static int bcap_reqbufs(struct file *file, void *priv,
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struct v4l2_requestbuffers *req_buf)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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struct vb2_queue *vq = &bcap_dev->buffer_queue;
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return vb2_reqbufs(vq, req_buf);
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}
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static int bcap_querybuf(struct file *file, void *priv,
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struct v4l2_buffer *buf)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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return vb2_querybuf(&bcap_dev->buffer_queue, buf);
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}
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static int bcap_qbuf(struct file *file, void *priv,
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struct v4l2_buffer *buf)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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return vb2_qbuf(&bcap_dev->buffer_queue, buf);
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}
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static int bcap_dqbuf(struct file *file, void *priv,
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struct v4l2_buffer *buf)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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return vb2_dqbuf(&bcap_dev->buffer_queue,
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buf, file->f_flags & O_NONBLOCK);
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}
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static irqreturn_t bcap_isr(int irq, void *dev_id)
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{
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struct ppi_if *ppi = dev_id;
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@ -456,51 +434,6 @@ static irqreturn_t bcap_isr(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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static int bcap_streamon(struct file *file, void *priv,
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enum v4l2_buf_type buf_type)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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struct ppi_if *ppi = bcap_dev->ppi;
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dma_addr_t addr;
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int ret;
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/* call streamon to start streaming in videobuf */
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ret = vb2_streamon(&bcap_dev->buffer_queue, buf_type);
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if (ret)
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return ret;
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/* if dma queue is empty, return error */
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if (list_empty(&bcap_dev->dma_queue)) {
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v4l2_err(&bcap_dev->v4l2_dev, "dma queue is empty\n");
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ret = -EINVAL;
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goto err;
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}
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/* get the next frame from the dma queue */
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bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
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struct bcap_buffer, list);
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/* remove buffer from the dma queue */
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list_del_init(&bcap_dev->cur_frm->list);
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addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0);
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/* update DMA address */
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ppi->ops->update_addr(ppi, (unsigned long)addr);
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/* enable ppi */
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ppi->ops->start(ppi);
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return 0;
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err:
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vb2_streamoff(&bcap_dev->buffer_queue, buf_type);
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return ret;
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}
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static int bcap_streamoff(struct file *file, void *priv,
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enum v4l2_buf_type buf_type)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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return vb2_streamoff(&bcap_dev->buffer_queue, buf_type);
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}
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static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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@ -786,12 +719,12 @@ static const struct v4l2_ioctl_ops bcap_ioctl_ops = {
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.vidioc_g_dv_timings = bcap_g_dv_timings,
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.vidioc_query_dv_timings = bcap_query_dv_timings,
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.vidioc_enum_dv_timings = bcap_enum_dv_timings,
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.vidioc_reqbufs = bcap_reqbufs,
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.vidioc_querybuf = bcap_querybuf,
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.vidioc_qbuf = bcap_qbuf,
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.vidioc_dqbuf = bcap_dqbuf,
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.vidioc_streamon = bcap_streamon,
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.vidioc_streamoff = bcap_streamoff,
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.vidioc_reqbufs = vb2_ioctl_reqbufs,
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.vidioc_querybuf = vb2_ioctl_querybuf,
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.vidioc_qbuf = vb2_ioctl_qbuf,
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.vidioc_dqbuf = vb2_ioctl_dqbuf,
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.vidioc_streamon = vb2_ioctl_streamon,
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.vidioc_streamoff = vb2_ioctl_streamoff,
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.vidioc_g_parm = bcap_g_parm,
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.vidioc_s_parm = bcap_s_parm,
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.vidioc_log_status = bcap_log_status,
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