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[media] v4l: s5p-fimc: support for dmabuf exporting 

This patch enhances s5p-fimc with support for DMABUF exporting via
VIDIOC_EXPBUF ioctl.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Tomasz Stanislawski 2012-06-14 11:32:26 -03:00 committed by Mauro Carvalho Chehab
parent a812a9665d
commit b28d61b622
2 changed files with 19 additions and 0 deletions
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9
drivers/media/platform/s5p-fimc/fimc-capture.c
View File

@ -1231,6 +1231,14 @@ static int fimc_cap_qbuf(struct file *file, void *priv,
return vb2_qbuf(&fimc->vid_cap.vbq, buf);
}
static int fimc_cap_expbuf(struct file *file, void *priv,
struct v4l2_exportbuffer *eb)
{
struct fimc_dev *fimc = video_drvdata(file);
return vb2_expbuf(&fimc->vid_cap.vbq, eb);
}
static int fimc_cap_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
@ -1355,6 +1363,7 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = {
.vidioc_qbuf = fimc_cap_qbuf,
.vidioc_dqbuf = fimc_cap_dqbuf,
.vidioc_expbuf = fimc_cap_expbuf,
.vidioc_prepare_buf = fimc_cap_prepare_buf,
.vidioc_create_bufs = fimc_cap_create_bufs,

10
drivers/media/platform/s5p-fimc/fimc-m2m.c
View File

@ -439,6 +439,15 @@ static int fimc_m2m_dqbuf(struct file *file, void *fh,
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
static int fimc_m2m_expbuf(struct file *file, void *fh,
struct v4l2_exportbuffer *eb)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
}
static int fimc_m2m_streamon(struct file *file, void *fh,
enum v4l2_buf_type type)
{
@ -607,6 +616,7 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = {
.vidioc_querybuf = fimc_m2m_querybuf,
.vidioc_qbuf = fimc_m2m_qbuf,
.vidioc_dqbuf = fimc_m2m_dqbuf,
.vidioc_expbuf = fimc_m2m_expbuf,
.vidioc_streamon = fimc_m2m_streamon,
.vidioc_streamoff = fimc_m2m_streamoff,
.vidioc_g_crop = fimc_m2m_g_crop,