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[media] marvell-ccic: add DMABUF support for all three DMA modes 

Add VB2_DMABUF and VIDIOC_EXPBUF support. Also add VB2_USERPTR support
for the vmalloc DMA mode which was missing for no good reason.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-03-09 18:02:23 -03:00 committed by Mauro Carvalho Chehab
parent e198d0ff25
commit ca16a64bfc
1 changed files with 3 additions and 6 deletions
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9
drivers/media/platform/marvell-ccic/mcam-core.c
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@ -1255,14 +1255,14 @@ static int mcam_setup_vb2(struct mcam_camera *cam)
vq->drv_priv = cam;
vq->lock = &cam->s_mutex;
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
vq->buf_struct_size = sizeof(struct mcam_vb_buffer);
INIT_LIST_HEAD(&cam->buffers);
switch (cam->buffer_mode) {
case B_DMA_contig:
#ifdef MCAM_MODE_DMA_CONTIG
vq->ops = &mcam_vb2_ops;
vq->mem_ops = &vb2_dma_contig_memops;
vq->buf_struct_size = sizeof(struct mcam_vb_buffer);
vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
cam->dma_setup = mcam_ctlr_dma_contig;
cam->frame_complete = mcam_dma_contig_done;
cam->vb_alloc_ctx = vb2_dma_contig_init_ctx(cam->dev);
@ -1274,8 +1274,6 @@ static int mcam_setup_vb2(struct mcam_camera *cam)
#ifdef MCAM_MODE_DMA_SG
vq->ops = &mcam_vb2_sg_ops;
vq->mem_ops = &vb2_dma_sg_memops;
vq->buf_struct_size = sizeof(struct mcam_vb_buffer);
vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
cam->dma_setup = mcam_ctlr_dma_sg;
cam->frame_complete = mcam_dma_sg_done;
cam->vb_alloc_ctx_sg = vb2_dma_sg_init_ctx(cam->dev);
@ -1289,8 +1287,6 @@ static int mcam_setup_vb2(struct mcam_camera *cam)
(unsigned long) cam);
vq->ops = &mcam_vb2_ops;
vq->mem_ops = &vb2_vmalloc_memops;
vq->buf_struct_size = sizeof(struct mcam_vb_buffer);
vq->io_modes = VB2_MMAP | VB2_READ;
cam->dma_setup = mcam_ctlr_dma_vmalloc;
cam->frame_complete = mcam_vmalloc_done;
#endif
@ -1579,6 +1575,7 @@ static const struct v4l2_ioctl_ops mcam_v4l_ioctl_ops = {
.vidioc_querybuf = vb2_ioctl_querybuf,
.vidioc_qbuf = vb2_ioctl_qbuf,
.vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_expbuf = vb2_ioctl_expbuf,
.vidioc_streamon = vb2_ioctl_streamon,
.vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_parm = mcam_vidioc_g_parm,