diff options
Diffstat (limited to 'kernel/drivers/staging/media/davinci_vpfe/vpfe_video.c')
| -rw-r--r-- | kernel/drivers/staging/media/davinci_vpfe/vpfe_video.c | 61 |
1 files changed, 30 insertions, 31 deletions
diff --git a/kernel/drivers/staging/media/davinci_vpfe/vpfe_video.c b/kernel/drivers/staging/media/davinci_vpfe/vpfe_video.c index 06d48d5eb..0fdff9162 100644 --- a/kernel/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/kernel/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -27,9 +27,6 @@ #include "vpfe.h" #include "vpfe_mc_capture.h" -/* minimum number of buffers needed in cont-mode */ -#define MIN_NUM_BUFFERS 3 - static int debug; /* get v4l2 subdev pointer to external subdev which is active */ @@ -431,8 +428,8 @@ vpfe_video_get_next_buffer(struct vpfe_video_device *video) struct vpfe_cap_buffer, list); list_del(&video->next_frm->list); - video->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; - return vb2_dma_contig_plane_dma_addr(&video->next_frm->vb, 0); + video->next_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE; + return vb2_dma_contig_plane_dma_addr(&video->next_frm->vb.vb2_buf, 0); } /* schedule the next buffer which is available on dma queue */ @@ -451,8 +448,8 @@ void vpfe_video_schedule_next_buffer(struct vpfe_video_device *video) video->cur_frm = video->next_frm; list_del(&video->next_frm->list); - video->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; - addr = vb2_dma_contig_plane_dma_addr(&video->next_frm->vb, 0); + video->next_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE; + addr = vb2_dma_contig_plane_dma_addr(&video->next_frm->vb.vb2_buf, 0); video->ops->queue(vpfe_dev, addr); video->state = VPFE_VIDEO_BUFFER_QUEUED; } @@ -463,7 +460,7 @@ void vpfe_video_schedule_bottom_field(struct vpfe_video_device *video) struct vpfe_device *vpfe_dev = video->vpfe_dev; unsigned long addr; - addr = vb2_dma_contig_plane_dma_addr(&video->cur_frm->vb, 0); + addr = vb2_dma_contig_plane_dma_addr(&video->cur_frm->vb.vb2_buf, 0); addr += video->field_off; video->ops->queue(vpfe_dev, addr); } @@ -473,8 +470,8 @@ void vpfe_video_process_buffer_complete(struct vpfe_video_device *video) { struct vpfe_pipeline *pipe = &video->pipe; - do_gettimeofday(&video->cur_frm->vb.v4l2_buf.timestamp); - vb2_buffer_done(&video->cur_frm->vb, VB2_BUF_STATE_DONE); + v4l2_get_timestamp(&video->cur_frm->vb.timestamp); + vb2_buffer_done(&video->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); if (pipe->state == VPFE_PIPELINE_STREAM_CONTINUOUS) video->cur_frm = video->next_frm; } @@ -1081,27 +1078,21 @@ vpfe_g_dv_timings(struct file *file, void *fh, * the buffer nbuffers and buffer size */ static int -vpfe_buffer_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, +vpfe_buffer_queue_setup(struct vb2_queue *vq, const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { struct vpfe_fh *fh = vb2_get_drv_priv(vq); struct vpfe_video_device *video = fh->video; struct vpfe_device *vpfe_dev = video->vpfe_dev; - struct vpfe_pipeline *pipe = &video->pipe; unsigned long size; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_buffer_queue_setup\n"); size = video->fmt.fmt.pix.sizeimage; - if (vpfe_dev->video_limit) { - while (size * *nbuffers > vpfe_dev->video_limit) - (*nbuffers)--; - } - if (pipe->state == VPFE_PIPELINE_STREAM_CONTINUOUS) { - if (*nbuffers < MIN_NUM_BUFFERS) - *nbuffers = MIN_NUM_BUFFERS; - } + if (vq->num_buffers + *nbuffers < 3) + *nbuffers = 3 - vq->num_buffers; + *nplanes = 1; sizes[0] = size; alloc_ctxs[0] = video->alloc_ctx; @@ -1147,12 +1138,13 @@ static int vpfe_buffer_prepare(struct vb2_buffer *vb) static void vpfe_buffer_queue(struct vb2_buffer *vb) { + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); /* Get the file handle object and device object */ struct vpfe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); struct vpfe_video_device *video = fh->video; struct vpfe_device *vpfe_dev = video->vpfe_dev; struct vpfe_pipeline *pipe = &video->pipe; - struct vpfe_cap_buffer *buf = container_of(vb, + struct vpfe_cap_buffer *buf = container_of(vbuf, struct vpfe_cap_buffer, vb); unsigned long flags; unsigned long empty; @@ -1212,10 +1204,10 @@ static int vpfe_start_streaming(struct vb2_queue *vq, unsigned int count) /* Remove buffer from the buffer queue */ list_del(&video->cur_frm->list); /* Mark state of the current frame to active */ - video->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; + video->cur_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE; /* Initialize field_id and started member */ video->field_id = 0; - addr = vb2_dma_contig_plane_dma_addr(&video->cur_frm->vb, 0); + addr = vb2_dma_contig_plane_dma_addr(&video->cur_frm->vb.vb2_buf, 0); video->ops->queue(vpfe_dev, addr); video->state = VPFE_VIDEO_BUFFER_QUEUED; @@ -1223,10 +1215,12 @@ static int vpfe_start_streaming(struct vb2_queue *vq, unsigned int count) if (ret) { struct vpfe_cap_buffer *buf, *tmp; - vb2_buffer_done(&video->cur_frm->vb, VB2_BUF_STATE_QUEUED); + vb2_buffer_done(&video->cur_frm->vb.vb2_buf, + VB2_BUF_STATE_QUEUED); list_for_each_entry_safe(buf, tmp, &video->dma_queue, list) { list_del(&buf->list); - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED); + vb2_buffer_done(&buf->vb.vb2_buf, + VB2_BUF_STATE_QUEUED); } goto unlock_out; } @@ -1243,7 +1237,8 @@ streamoff: static int vpfe_buffer_init(struct vb2_buffer *vb) { - struct vpfe_cap_buffer *buf = container_of(vb, + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vpfe_cap_buffer *buf = container_of(vbuf, struct vpfe_cap_buffer, vb); INIT_LIST_HEAD(&buf->list); @@ -1258,13 +1253,14 @@ static void vpfe_stop_streaming(struct vb2_queue *vq) /* release all active buffers */ if (video->cur_frm == video->next_frm) { - vb2_buffer_done(&video->cur_frm->vb, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&video->cur_frm->vb.vb2_buf, + VB2_BUF_STATE_ERROR); } else { if (video->cur_frm != NULL) - vb2_buffer_done(&video->cur_frm->vb, + vb2_buffer_done(&video->cur_frm->vb.vb2_buf, VB2_BUF_STATE_ERROR); if (video->next_frm != NULL) - vb2_buffer_done(&video->next_frm->vb, + vb2_buffer_done(&video->next_frm->vb.vb2_buf, VB2_BUF_STATE_ERROR); } @@ -1272,16 +1268,18 @@ static void vpfe_stop_streaming(struct vb2_queue *vq) video->next_frm = list_entry(video->dma_queue.next, struct vpfe_cap_buffer, list); list_del(&video->next_frm->list); - vb2_buffer_done(&video->next_frm->vb, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&video->next_frm->vb.vb2_buf, + VB2_BUF_STATE_ERROR); } } static void vpfe_buf_cleanup(struct vb2_buffer *vb) { + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vpfe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); struct vpfe_video_device *video = fh->video; struct vpfe_device *vpfe_dev = video->vpfe_dev; - struct vpfe_cap_buffer *buf = container_of(vb, + struct vpfe_cap_buffer *buf = container_of(vbuf, struct vpfe_cap_buffer, vb); v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_buf_cleanup\n"); @@ -1346,6 +1344,7 @@ static int vpfe_reqbufs(struct file *file, void *priv, q->ops = &video_qops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct vpfe_cap_buffer); + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) { |