From: Kamil Debski Date: Fri, 25 Jan 2013 09:29:57 +0000 (-0300) Subject: [media] vb2: Add support for non monotonic timestamps X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6aa69f99;p=linux-beck.git [media] vb2: Add support for non monotonic timestamps Not all drivers use monotonic timestamps. This patch adds a way to set the timestamp type per every queue. In addition, set proper timestamp type in drivers that I am sure that use either MONOTONIC or COPY timestamps. Other drivers will correctly report UNKNOWN timestamp type instead of assuming that all drivers use monotonic timestamps. Signed-off-by: Kamil Debski Signed-off-by: Kyungmin Park Reviewed-by: Sylwester Nawrocki Acked-by: Hans Verkuil Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 5f209d5810dc..8ffe42aabd85 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -1029,6 +1029,7 @@ static int bcap_probe(struct platform_device *pdev) q->buf_struct_size = sizeof(struct bcap_buffer); q->ops = &bcap_video_qops; q->mem_ops = &vb2_dma_contig_memops; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; vb2_queue_init(q); diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index 5e6b0cab514b..9f9f2c1a073f 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -1404,6 +1404,7 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, q->ops = &video_qops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct vpbe_disp_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) { diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index 5892d2bc8eee..1943e41f3866 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1035,6 +1035,7 @@ static int vpif_reqbufs(struct file *file, void *priv, q->ops = &video_qops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct vpif_cap_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) { diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index dd249c96126d..5477c2cb8653 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1001,6 +1001,7 @@ static int vpif_reqbufs(struct file *file, void *priv, q->ops = &video_qops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct vpif_disp_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) { diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index a55793c3d811..e91f350929eb 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -1153,6 +1153,7 @@ int s3c_camif_register_video_node(struct camif_dev *camif, int idx) q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct camif_buffer); q->drv_priv = vp; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c index f553cc2a8ee8..87b68420f771 100644 --- a/drivers/media/platform/s5p-fimc/fimc-capture.c +++ b/drivers/media/platform/s5p-fimc/fimc-capture.c @@ -1797,6 +1797,7 @@ static int fimc_register_capture_device(struct fimc_dev *fimc, q->ops = &fimc_capture_qops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct fimc_vid_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c b/drivers/media/platform/s5p-fimc/fimc-lite.c index bfc4206935c8..47fbf7bcf608 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite.c +++ b/drivers/media/platform/s5p-fimc/fimc-lite.c @@ -1325,6 +1325,7 @@ static int fimc_lite_subdev_registered(struct v4l2_subdev *sd) q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct flite_buffer); q->drv_priv = fimc; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret < 0) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index e84703c314ce..92c6bf11af74 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -804,6 +804,7 @@ static int s5p_mfc_open(struct file *file) goto err_queue_init; } q->mem_ops = (struct vb2_mem_ops *)&vb2_dma_contig_memops; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; ret = vb2_queue_init(q); if (ret) { mfc_err("Failed to initialize videobuf2 queue(capture)\n"); @@ -825,6 +826,7 @@ static int s5p_mfc_open(struct file *file) goto err_queue_init; } q->mem_ops = (struct vb2_mem_ops *)&vb2_dma_contig_memops; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; ret = vb2_queue_init(q); if (ret) { mfc_err("Failed to initialize videobuf2 queue(output)\n"); diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index 82dbf99d347c..c314ff9b98dc 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -514,6 +514,7 @@ static int isi_camera_init_videobuf(struct vb2_queue *q, q->buf_struct_size = sizeof(struct frame_buffer); q->ops = &isi_video_qops; q->mem_ops = &vb2_dma_contig_memops; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; return vb2_queue_init(q); } diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c index ffba7d91f413..048c26a27c34 100644 --- a/drivers/media/platform/soc_camera/mx2_camera.c +++ b/drivers/media/platform/soc_camera/mx2_camera.c @@ -797,6 +797,7 @@ static int mx2_camera_init_videobuf(struct vb2_queue *q, q->ops = &mx2_videobuf_ops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct mx2_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; return vb2_queue_init(q); } diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c index f5cbb92db545..2c3bd69fb38c 100644 --- a/drivers/media/platform/soc_camera/mx3_camera.c +++ b/drivers/media/platform/soc_camera/mx3_camera.c @@ -455,6 +455,7 @@ static int mx3_camera_init_videobuf(struct vb2_queue *q, q->ops = &mx3_videobuf_ops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct mx3_camera_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; return vb2_queue_init(q); } diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c index bb08a46432f4..973e72b24fa8 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c @@ -2026,6 +2026,7 @@ static int sh_mobile_ceu_init_videobuf(struct vb2_queue *q, q->ops = &sh_mobile_ceu_videobuf_ops; q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct sh_mobile_ceu_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; return vb2_queue_init(q); } diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c index 8a33a712f480..c46d2e8677a5 100644 --- a/drivers/media/platform/vivi.c +++ b/drivers/media/platform/vivi.c @@ -1429,6 +1429,7 @@ static int __init vivi_create_instance(int inst) q->buf_struct_size = sizeof(struct vivi_buffer); q->ops = &vivi_video_qops; q->mem_ops = &vb2_vmalloc_memops; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(q); if (ret) diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 5ec15cb1ed26..77bbf7889659 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -1001,6 +1001,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id pdev->vb_queue.buf_struct_size = sizeof(struct pwc_frame_buf); pdev->vb_queue.ops = &pwc_vb_queue_ops; pdev->vb_queue.mem_ops = &vb2_vmalloc_memops; + pdev->vb_queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; rc = vb2_queue_init(&pdev->vb_queue); if (rc < 0) { PWC_ERROR("Oops, could not initialize vb2 queue.\n"); diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c index 6694f9e2ca57..5307a63e378f 100644 --- a/drivers/media/usb/stk1160/stk1160-v4l.c +++ b/drivers/media/usb/stk1160/stk1160-v4l.c @@ -687,6 +687,7 @@ int stk1160_vb2_setup(struct stk1160 *dev) q->buf_struct_size = sizeof(struct stk1160_buffer); q->ops = &stk1160_video_qops; q->mem_ops = &vb2_vmalloc_memops; + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; rc = vb2_queue_init(q); if (rc < 0) diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 6c233a54ce40..cd962be860ca 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -149,6 +149,7 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.ops = &uvc_queue_qops; queue->queue.mem_ops = &vb2_vmalloc_memops; + queue->queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; ret = vb2_queue_init(&queue->queue); if (ret) return ret; diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index db1235dcb328..be0448161c60 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -403,7 +403,7 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b) * Clear any buffer state related flags. */ b->flags &= ~V4L2_BUFFER_MASK_FLAGS; - b->flags |= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + b->flags |= q->timestamp_type; switch (vb->state) { case VB2_BUF_STATE_QUEUED: @@ -2039,9 +2039,13 @@ int vb2_queue_init(struct vb2_queue *q) WARN_ON(!q->type) || WARN_ON(!q->io_modes) || WARN_ON(!q->ops->queue_setup) || - WARN_ON(!q->ops->buf_queue)) + WARN_ON(!q->ops->buf_queue) || + WARN_ON(q->timestamp_type & ~V4L2_BUF_FLAG_TIMESTAMP_MASK)) return -EINVAL; + /* Warn that the driver should choose an appropriate timestamp type */ + WARN_ON(q->timestamp_type == V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN); + INIT_LIST_HEAD(&q->queued_list); INIT_LIST_HEAD(&q->done_list); spin_lock_init(&q->done_lock); diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 9cfd4ee9e56f..a2d427450780 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -326,6 +326,7 @@ struct vb2_queue { const struct vb2_mem_ops *mem_ops; void *drv_priv; unsigned int buf_struct_size; + u32 timestamp_type; /* private: internal use only */ enum v4l2_memory memory;