diff options
Diffstat (limited to 'drivers/staging/media/sunxi')
7 files changed, 43 insertions, 21 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/Kconfig b/drivers/staging/media/sunxi/cedrus/Kconfig index 621944f990..cb07a343c9 100644 --- a/drivers/staging/media/sunxi/cedrus/Kconfig +++ b/drivers/staging/media/sunxi/cedrus/Kconfig @@ -6,7 +6,6 @@ config VIDEO_SUNXI_CEDRUS depends on HAS_DMA depends on OF select MEDIA_CONTROLLER - select MEDIA_CONTROLLER_REQUEST_API select SUNXI_SRAM select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV diff --git a/drivers/staging/media/sunxi/cedrus/TODO b/drivers/staging/media/sunxi/cedrus/TODO index ec277ece47..00aa304a7e 100644 --- a/drivers/staging/media/sunxi/cedrus/TODO +++ b/drivers/staging/media/sunxi/cedrus/TODO @@ -1,7 +1,16 @@ -Before this stateless decoder driver can leave the staging area: -* The Request API needs to be stabilized; -* The codec-specific controls need to be thoroughly reviewed to ensure they - cover all intended uses cases; -* Userspace support for the Request API needs to be reviewed; -* Another stateless decoder driver should be submitted; -* At least one stateless encoder driver should be submitted. +This driver suffers from a bad initial design that results in various aspects +being intricated, making it difficult to scale to new codecs and to add encoding +support in the future. + +Before leaving the staging area, it should be reworked to clearly distinguish +between different aspects: +- platform, with resources management, interrupt handler, watchdog, + v4l2 and m2m devices registration; +- proc, with video device registration and related operations; +- context, with m2m context, queue and controls management; +- engine, with each individual codec job execution and codec-specific + operation callbacks; + +This will make it possible to register two different procs (decoder and +encoder) while sharing significant common infrastructure, common v4l2 and m2m +devices but exposing distinct video devices. diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c index dfb401df13..3e2843ef6c 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c @@ -653,8 +653,13 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - for (i = 0; i < vq->num_buffers; i++) { - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i = 0; i < vb2_get_num_buffers(vq); i++) { + struct vb2_buffer *vb = vb2_get_buffer(vq, i); + + if (!vb) + continue; + + buf = vb2_to_cedrus_buffer(vb); if (buf->codec.h264.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index 16c822637d..780da4a8b5 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -867,8 +867,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx) vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - for (i = 0; i < vq->num_buffers; i++) { - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i = 0; i < vb2_get_num_buffers(vq); i++) { + struct vb2_buffer *vb = vb2_get_buffer(vq, i); + + if (!vb) + continue; + + buf = vb2_to_cedrus_buffer(vb); if (buf->codec.h265.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c index 1595a96077..0eea4c2c36 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c @@ -660,7 +660,7 @@ int sun6i_isp_capture_setup(struct sun6i_isp_device *isp_dev) queue->buf_struct_size = sizeof(struct sun6i_isp_buffer); queue->ops = &sun6i_isp_capture_queue_ops; queue->mem_ops = &vb2_dma_contig_memops; - queue->min_buffers_needed = 2; + queue->min_queued_buffers = 2; queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; queue->lock = &capture->lock; queue->dev = isp_dev->dev; diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c index e28be895b4..53d05e8a36 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c @@ -489,7 +489,7 @@ int sun6i_isp_params_setup(struct sun6i_isp_device *isp_dev) queue->buf_struct_size = sizeof(struct sun6i_isp_buffer); queue->ops = &sun6i_isp_params_queue_ops; queue->mem_ops = &vb2_vmalloc_memops; - queue->min_buffers_needed = 1; + queue->min_queued_buffers = 1; queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; queue->lock = ¶ms->lock; queue->dev = isp_dev->dev; diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c index ccbb530aa2..46a334b602 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c @@ -256,13 +256,13 @@ sun6i_isp_proc_mbus_format_prepare(struct v4l2_mbus_framefmt *mbus_format) mbus_format->xfer_func = V4L2_XFER_FUNC_DEFAULT; } -static int sun6i_isp_proc_init_cfg(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *state) +static int sun6i_isp_proc_init_state(struct v4l2_subdev *subdev, + struct v4l2_subdev_state *state) { struct sun6i_isp_device *isp_dev = v4l2_get_subdevdata(subdev); unsigned int pad = SUN6I_ISP_PROC_PAD_SINK_CSI; struct v4l2_mbus_framefmt *mbus_format = - v4l2_subdev_get_try_format(subdev, state, pad); + v4l2_subdev_state_get_format(state, pad); struct mutex *lock = &isp_dev->proc.lock; mutex_lock(lock); @@ -302,8 +302,8 @@ static int sun6i_isp_proc_get_fmt(struct v4l2_subdev *subdev, mutex_lock(lock); if (format->which == V4L2_SUBDEV_FORMAT_TRY) - *mbus_format = *v4l2_subdev_get_try_format(subdev, state, - format->pad); + *mbus_format = *v4l2_subdev_state_get_format(state, + format->pad); else *mbus_format = isp_dev->proc.mbus_format; @@ -325,7 +325,7 @@ static int sun6i_isp_proc_set_fmt(struct v4l2_subdev *subdev, sun6i_isp_proc_mbus_format_prepare(mbus_format); if (format->which == V4L2_SUBDEV_FORMAT_TRY) - *v4l2_subdev_get_try_format(subdev, state, format->pad) = + *v4l2_subdev_state_get_format(state, format->pad) = *mbus_format; else isp_dev->proc.mbus_format = *mbus_format; @@ -336,7 +336,6 @@ static int sun6i_isp_proc_set_fmt(struct v4l2_subdev *subdev, } static const struct v4l2_subdev_pad_ops sun6i_isp_proc_pad_ops = { - .init_cfg = sun6i_isp_proc_init_cfg, .enum_mbus_code = sun6i_isp_proc_enum_mbus_code, .get_fmt = sun6i_isp_proc_get_fmt, .set_fmt = sun6i_isp_proc_set_fmt, @@ -347,6 +346,10 @@ static const struct v4l2_subdev_ops sun6i_isp_proc_subdev_ops = { .pad = &sun6i_isp_proc_pad_ops, }; +static const struct v4l2_subdev_internal_ops sun6i_isp_proc_internal_ops = { + .init_state = sun6i_isp_proc_init_state, +}; + /* Media Entity */ static const struct media_entity_operations sun6i_isp_proc_entity_ops = { @@ -501,6 +504,7 @@ int sun6i_isp_proc_setup(struct sun6i_isp_device *isp_dev) /* V4L2 Subdev */ v4l2_subdev_init(subdev, &sun6i_isp_proc_subdev_ops); + subdev->internal_ops = &sun6i_isp_proc_internal_ops; strscpy(subdev->name, SUN6I_ISP_PROC_NAME, sizeof(subdev->name)); subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; subdev->owner = THIS_MODULE; |