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Subject: [media] v4l: s5p-mfc: support for dmabuf exporting Author: Tomasz Stanislawski <[email protected]> Date: Thu Jun 14 11:32:28 2012 -0300 This patch enhances s5p-mfc with support for DMABUF exporting via VIDIOC_EXPBUF ioctl. Signed-off-by: Tomasz Stanislawski <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Acked-by: Hans Verkuil <[email protected]> Tested-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 14 ++++++++++++++ drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 14 ++++++++++++++ 2 files changed, 28 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=6fa9dd069e62864d990ff9c7726f16b34018e718 diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index eb6a70b..6dad9a7 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -636,6 +636,19 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) return -EINVAL; } +/* Export DMA buffer */ +static int vidioc_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); + + if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return vb2_expbuf(&ctx->vq_src, eb); + if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return vb2_expbuf(&ctx->vq_dst, eb); + return -EINVAL; +} + /* Stream on */ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type type) @@ -813,6 +826,7 @@ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_expbuf = vidioc_expbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_g_crop = vidioc_g_crop, diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index 5c1d727..f92f6dd 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -1165,6 +1165,19 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) return ret; } +/* Export DMA buffer */ +static int vidioc_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); + + if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return vb2_expbuf(&ctx->vq_src, eb); + if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return vb2_expbuf(&ctx->vq_dst, eb); + return -EINVAL; +} + /* Stream on */ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type type) @@ -1568,6 +1581,7 @@ static const struct v4l2_ioctl_ops s5p_mfc_enc_ioctl_ops = { .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_expbuf = vidioc_expbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_s_parm = vidioc_s_parm, _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
