From d61233bf4cc3cdd378cb20236f1209ed8c2023f5 Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Sun, 8 Mar 2015 11:40:44 -0300 Subject: [PATCH] [media] media: blackfin: bfin_capture: use vb2_ioctl_* helpers this patch adds support to vb2_ioctl_* helpers. Signed-off-by: Lad, Prabhakar Tested-by: Scott Jiang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../media/platform/blackfin/bfin_capture.c | 103 +++--------------- 1 file changed, 18 insertions(+), 85 deletions(-) diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 01e778d81606..2a9e93304a20 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -276,6 +276,7 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count) struct ppi_if *ppi = bcap_dev->ppi; struct bcap_buffer *buf, *tmp; struct ppi_params params; + dma_addr_t addr; int ret; /* enable streamon on the sub device */ @@ -335,6 +336,17 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count) reinit_completion(&bcap_dev->comp); bcap_dev->stop = false; + /* get the next frame from the dma queue */ + bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next, + struct bcap_buffer, list); + /* remove buffer from the dma queue */ + list_del_init(&bcap_dev->cur_frm->list); + addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0); + /* update DMA address */ + ppi->ops->update_addr(ppi, (unsigned long)addr); + /* enable ppi */ + ppi->ops->start(ppi); + return 0; err: @@ -381,40 +393,6 @@ static struct vb2_ops bcap_video_qops = { .stop_streaming = bcap_stop_streaming, }; -static int bcap_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *req_buf) -{ - struct bcap_device *bcap_dev = video_drvdata(file); - struct vb2_queue *vq = &bcap_dev->buffer_queue; - - return vb2_reqbufs(vq, req_buf); -} - -static int bcap_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct bcap_device *bcap_dev = video_drvdata(file); - - return vb2_querybuf(&bcap_dev->buffer_queue, buf); -} - -static int bcap_qbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct bcap_device *bcap_dev = video_drvdata(file); - - return vb2_qbuf(&bcap_dev->buffer_queue, buf); -} - -static int bcap_dqbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct bcap_device *bcap_dev = video_drvdata(file); - - return vb2_dqbuf(&bcap_dev->buffer_queue, - buf, file->f_flags & O_NONBLOCK); -} - static irqreturn_t bcap_isr(int irq, void *dev_id) { struct ppi_if *ppi = dev_id; @@ -456,51 +434,6 @@ static irqreturn_t bcap_isr(int irq, void *dev_id) return IRQ_HANDLED; } -static int bcap_streamon(struct file *file, void *priv, - enum v4l2_buf_type buf_type) -{ - struct bcap_device *bcap_dev = video_drvdata(file); - struct ppi_if *ppi = bcap_dev->ppi; - dma_addr_t addr; - int ret; - - /* call streamon to start streaming in videobuf */ - ret = vb2_streamon(&bcap_dev->buffer_queue, buf_type); - if (ret) - return ret; - - /* if dma queue is empty, return error */ - if (list_empty(&bcap_dev->dma_queue)) { - v4l2_err(&bcap_dev->v4l2_dev, "dma queue is empty\n"); - ret = -EINVAL; - goto err; - } - - /* get the next frame from the dma queue */ - bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next, - struct bcap_buffer, list); - /* remove buffer from the dma queue */ - list_del_init(&bcap_dev->cur_frm->list); - addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0); - /* update DMA address */ - ppi->ops->update_addr(ppi, (unsigned long)addr); - /* enable ppi */ - ppi->ops->start(ppi); - - return 0; -err: - vb2_streamoff(&bcap_dev->buffer_queue, buf_type); - return ret; -} - -static int bcap_streamoff(struct file *file, void *priv, - enum v4l2_buf_type buf_type) -{ - struct bcap_device *bcap_dev = video_drvdata(file); - - return vb2_streamoff(&bcap_dev->buffer_queue, buf_type); -} - static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std) { struct bcap_device *bcap_dev = video_drvdata(file); @@ -786,12 +719,12 @@ static const struct v4l2_ioctl_ops bcap_ioctl_ops = { .vidioc_g_dv_timings = bcap_g_dv_timings, .vidioc_query_dv_timings = bcap_query_dv_timings, .vidioc_enum_dv_timings = bcap_enum_dv_timings, - .vidioc_reqbufs = bcap_reqbufs, - .vidioc_querybuf = bcap_querybuf, - .vidioc_qbuf = bcap_qbuf, - .vidioc_dqbuf = bcap_dqbuf, - .vidioc_streamon = bcap_streamon, - .vidioc_streamoff = bcap_streamoff, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_g_parm = bcap_g_parm, .vidioc_s_parm = bcap_s_parm, .vidioc_log_status = bcap_log_status, -- 2.39.5