diff options
20 files changed, 174 insertions, 177 deletions
diff --git a/Documentation/media/kapi/mc-core.rst b/Documentation/media/kapi/mc-core.rst index 1a738e5f6056..0c05503eaf1f 100644 --- a/Documentation/media/kapi/mc-core.rst +++ b/Documentation/media/kapi/mc-core.rst @@ -162,13 +162,13 @@ framework provides a depth-first graph traversal API for that purpose. currently defined as 16. Drivers initiate a graph traversal by calling -:c:func:`media_entity_graph_walk_start()` +:c:func:`media_graph_walk_start()` The graph structure, provided by the caller, is initialized to start graph traversal at the given entity. Drivers can then retrieve the next entity by calling -:c:func:`media_entity_graph_walk_next()` +:c:func:`media_graph_walk_next()` When the graph traversal is complete the function will return ``NULL``. @@ -206,7 +206,7 @@ Pipelines and media streams When starting streaming, drivers must notify all entities in the pipeline to prevent link states from being modified during streaming by calling -:c:func:`media_entity_pipeline_start()`. +:c:func:`media_pipeline_start()`. The function will mark all entities connected to the given entity through enabled links, either directly or indirectly, as streaming. @@ -218,17 +218,17 @@ in higher-level pipeline structures and can then access the pipeline through the struct :c:type:`media_entity` pipe field. -Calls to :c:func:`media_entity_pipeline_start()` can be nested. +Calls to :c:func:`media_pipeline_start()` can be nested. The pipeline pointer must be identical for all nested calls to the function. -:c:func:`media_entity_pipeline_start()` may return an error. In that case, +:c:func:`media_pipeline_start()` may return an error. In that case, it will clean up any of the changes it did by itself. When stopping the stream, drivers must notify the entities with -:c:func:`media_entity_pipeline_stop()`. +:c:func:`media_pipeline_stop()`. -If multiple calls to :c:func:`media_entity_pipeline_start()` have been -made the same number of :c:func:`media_entity_pipeline_stop()` calls +If multiple calls to :c:func:`media_pipeline_start()` have been +made the same number of :c:func:`media_pipeline_stop()` calls are required to stop streaming. The :c:type:`media_entity`.\ ``pipe`` field is reset to ``NULL`` on the last nested stop call. @@ -245,7 +245,7 @@ operation must be done with the media_device graph_mutex held. Link validation ^^^^^^^^^^^^^^^ -Link validation is performed by :c:func:`media_entity_pipeline_start()` +Link validation is performed by :c:func:`media_pipeline_start()` for any entity which has sink pads in the pipeline. The :c:type:`media_entity`.\ ``link_validate()`` callback is used for that purpose. In ``link_validate()`` callback, entity driver should check diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 8495ac913df3..760e3e424e23 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -597,19 +597,19 @@ int __must_check media_device_register_entity(struct media_device *mdev, if (mdev->entity_internal_idx_max >= mdev->pm_count_walk.ent_enum.idx_max) { - struct media_entity_graph new = { .top = 0 }; + struct media_graph new = { .top = 0 }; /* * Initialise the new graph walk before cleaning up * the old one in order not to spoil the graph walk * object of the media device if graph walk init fails. */ - ret = media_entity_graph_walk_init(&new, mdev); + ret = media_graph_walk_init(&new, mdev); if (ret) { mutex_unlock(&mdev->graph_mutex); return ret; } - media_entity_graph_walk_cleanup(&mdev->pm_count_walk); + media_graph_walk_cleanup(&mdev->pm_count_walk); mdev->pm_count_walk = new; } mutex_unlock(&mdev->graph_mutex); @@ -691,7 +691,7 @@ void media_device_cleanup(struct media_device *mdev) { ida_destroy(&mdev->entity_internal_idx); mdev->entity_internal_idx_max = 0; - media_entity_graph_walk_cleanup(&mdev->pm_count_walk); + media_graph_walk_cleanup(&mdev->pm_count_walk); mutex_destroy(&mdev->graph_mutex); } EXPORT_SYMBOL_GPL(media_device_cleanup); diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index d37260850e98..256b590fcfcd 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -254,7 +254,7 @@ media_entity_other(struct media_entity *entity, struct media_link *link) } /* push an entity to traversal stack */ -static void stack_push(struct media_entity_graph *graph, +static void stack_push(struct media_graph *graph, struct media_entity *entity) { if (graph->top == MEDIA_ENTITY_ENUM_MAX_DEPTH - 1) { @@ -266,7 +266,7 @@ static void stack_push(struct media_entity_graph *graph, graph->stack[graph->top].entity = entity; } -static struct media_entity *stack_pop(struct media_entity_graph *graph) +static struct media_entity *stack_pop(struct media_graph *graph) { struct media_entity *entity; @@ -285,35 +285,35 @@ static struct media_entity *stack_pop(struct media_entity_graph *graph) #define MEDIA_ENTITY_MAX_PADS 512 /** - * media_entity_graph_walk_init - Allocate resources for graph walk + * media_graph_walk_init - Allocate resources for graph walk * @graph: Media graph structure that will be used to walk the graph * @mdev: Media device * * Reserve resources for graph walk in media device's current * state. The memory must be released using - * media_entity_graph_walk_free(). + * media_graph_walk_free(). * * Returns error on failure, zero on success. */ -__must_check int media_entity_graph_walk_init( - struct media_entity_graph *graph, struct media_device *mdev) +__must_check int media_graph_walk_init( + struct media_graph *graph, struct media_device *mdev) { return media_entity_enum_init(&graph->ent_enum, mdev); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_init); +EXPORT_SYMBOL_GPL(media_graph_walk_init); /** - * media_entity_graph_walk_cleanup - Release resources related to graph walking + * media_graph_walk_cleanup - Release resources related to graph walking * @graph: Media graph structure that was used to walk the graph */ -void media_entity_graph_walk_cleanup(struct media_entity_graph *graph) +void media_graph_walk_cleanup(struct media_graph *graph) { media_entity_enum_cleanup(&graph->ent_enum); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_cleanup); +EXPORT_SYMBOL_GPL(media_graph_walk_cleanup); -void media_entity_graph_walk_start(struct media_entity_graph *graph, - struct media_entity *entity) +void media_graph_walk_start(struct media_graph *graph, + struct media_entity *entity) { media_entity_enum_zero(&graph->ent_enum); media_entity_enum_set(&graph->ent_enum, entity); @@ -322,10 +322,9 @@ void media_entity_graph_walk_start(struct media_entity_graph *graph, graph->stack[graph->top].entity = NULL; stack_push(graph, entity); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_start); +EXPORT_SYMBOL_GPL(media_graph_walk_start); -struct media_entity * -media_entity_graph_walk_next(struct media_entity_graph *graph) +struct media_entity *media_graph_walk_next(struct media_graph *graph) { if (stack_top(graph) == NULL) return NULL; @@ -364,30 +363,30 @@ media_entity_graph_walk_next(struct media_entity_graph *graph) return stack_pop(graph); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_next); +EXPORT_SYMBOL_GPL(media_graph_walk_next); /* ----------------------------------------------------------------------------- * Pipeline management */ -__must_check int __media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe) +__must_check int __media_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe) { struct media_device *mdev = entity->graph_obj.mdev; - struct media_entity_graph *graph = &pipe->graph; + struct media_graph *graph = &pipe->graph; struct media_entity *entity_err = entity; struct media_link *link; int ret; if (!pipe->streaming_count++) { - ret = media_entity_graph_walk_init(&pipe->graph, mdev); + ret = media_graph_walk_init(&pipe->graph, mdev); if (ret) goto error_graph_walk_start; } - media_entity_graph_walk_start(&pipe->graph, entity); + media_graph_walk_start(&pipe->graph, entity); - while ((entity = media_entity_graph_walk_next(graph))) { + while ((entity = media_graph_walk_next(graph))) { DECLARE_BITMAP(active, MEDIA_ENTITY_MAX_PADS); DECLARE_BITMAP(has_no_links, MEDIA_ENTITY_MAX_PADS); @@ -466,9 +465,9 @@ error: * Link validation on graph failed. We revert what we did and * return the error. */ - media_entity_graph_walk_start(graph, entity_err); + media_graph_walk_start(graph, entity_err); - while ((entity_err = media_entity_graph_walk_next(graph))) { + while ((entity_err = media_graph_walk_next(graph))) { /* Sanity check for negative stream_count */ if (!WARN_ON_ONCE(entity_err->stream_count <= 0)) { entity_err->stream_count--; @@ -486,35 +485,35 @@ error: error_graph_walk_start: if (!--pipe->streaming_count) - media_entity_graph_walk_cleanup(graph); + media_graph_walk_cleanup(graph); return ret; } -EXPORT_SYMBOL_GPL(__media_entity_pipeline_start); +EXPORT_SYMBOL_GPL(__media_pipeline_start); -__must_check int media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe) +__must_check int media_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe) { struct media_device *mdev = entity->graph_obj.mdev; int ret; mutex_lock(&mdev->graph_mutex); - ret = __media_entity_pipeline_start(entity, pipe); + ret = __media_pipeline_start(entity, pipe); mutex_unlock(&mdev->graph_mutex); return ret; } -EXPORT_SYMBOL_GPL(media_entity_pipeline_start); +EXPORT_SYMBOL_GPL(media_pipeline_start); -void __media_entity_pipeline_stop(struct media_entity *entity) +void __media_pipeline_stop(struct media_entity *entity) { - struct media_entity_graph *graph = &entity->pipe->graph; + struct media_graph *graph = &entity->pipe->graph; struct media_pipeline *pipe = entity->pipe; WARN_ON(!pipe->streaming_count); - media_entity_graph_walk_start(graph, entity); + media_graph_walk_start(graph, entity); - while ((entity = media_entity_graph_walk_next(graph))) { + while ((entity = media_graph_walk_next(graph))) { /* Sanity check for negative stream_count */ if (!WARN_ON_ONCE(entity->stream_count <= 0)) { entity->stream_count--; @@ -524,20 +523,20 @@ void __media_entity_pipeline_stop(struct media_entity *entity) } if (!--pipe->streaming_count) - media_entity_graph_walk_cleanup(graph); + media_graph_walk_cleanup(graph); } -EXPORT_SYMBOL_GPL(__media_entity_pipeline_stop); +EXPORT_SYMBOL_GPL(__media_pipeline_stop); -void media_entity_pipeline_stop(struct media_entity *entity) +void media_pipeline_stop(struct media_entity *entity) { struct media_device *mdev = entity->graph_obj.mdev; mutex_lock(&mdev->graph_mutex); - __media_entity_pipeline_stop(entity); + __media_pipeline_stop(entity); mutex_unlock(&mdev->graph_mutex); } -EXPORT_SYMBOL_GPL(media_entity_pipeline_stop); +EXPORT_SYMBOL_GPL(media_pipeline_stop); /* ----------------------------------------------------------------------------- * Module use count diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c index 964f4a681934..7bde62f28e4c 100644 --- a/drivers/media/platform/exynos4-is/fimc-capture.c +++ b/drivers/media/platform/exynos4-is/fimc-capture.c @@ -536,7 +536,7 @@ static int fimc_capture_release(struct file *file) mutex_lock(&fimc->lock); if (close && vc->streaming) { - media_entity_pipeline_stop(&vc->ve.vdev.entity); + media_pipeline_stop(&vc->ve.vdev.entity); vc->streaming = false; } @@ -1195,7 +1195,7 @@ static int fimc_cap_streamon(struct file *file, void *priv, if (fimc_capture_active(fimc)) return -EBUSY; - ret = media_entity_pipeline_start(entity, &vc->ve.pipe->mp); + ret = media_pipeline_start(entity, &vc->ve.pipe->mp); if (ret < 0) return ret; @@ -1229,7 +1229,7 @@ static int fimc_cap_streamon(struct file *file, void *priv, } err_p_stop: - media_entity_pipeline_stop(entity); + media_pipeline_stop(entity); return ret; } @@ -1244,7 +1244,7 @@ static int fimc_cap_streamoff(struct file *file, void *priv, if (ret < 0) return ret; - media_entity_pipeline_stop(&vc->ve.vdev.entity); + media_pipeline_stop(&vc->ve.vdev.entity); vc->streaming = false; return 0; } diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index 400ce0cb0c0d..55ba696b8cf4 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -312,7 +312,7 @@ static int isp_video_release(struct file *file) mutex_lock(&isp->video_lock); if (v4l2_fh_is_singular_file(file) && ivc->streaming) { - media_entity_pipeline_stop(entity); + media_pipeline_stop(entity); ivc->streaming = 0; } @@ -489,7 +489,7 @@ static int isp_video_streamon(struct file *file, void *priv, struct media_entity *me = &ve->vdev.entity; int ret; - ret = media_entity_pipeline_start(me, &ve->pipe->mp); + ret = media_pipeline_start(me, &ve->pipe->mp); if (ret < 0) return ret; @@ -504,7 +504,7 @@ static int isp_video_streamon(struct file *file, void *priv, isp->video_capture.streaming = 1; return 0; p_stop: - media_entity_pipeline_stop(me); + media_pipeline_stop(me); return ret; } @@ -519,7 +519,7 @@ static int isp_video_streamoff(struct file *file, void *priv, if (ret < 0) return ret; - media_entity_pipeline_stop(&video->ve.vdev.entity); + media_pipeline_stop(&video->ve.vdev.entity); video->streaming = 0; return 0; } diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index b91abf1c4d43..b4c4a33784c4 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -524,7 +524,7 @@ static int fimc_lite_release(struct file *file) if (v4l2_fh_is_singular_file(file) && atomic_read(&fimc->out_path) == FIMC_IO_DMA) { if (fimc->streaming) { - media_entity_pipeline_stop(entity); + media_pipeline_stop(entity); fimc->streaming = false; } fimc_lite_stop_capture(fimc, false); @@ -832,7 +832,7 @@ static int fimc_lite_streamon(struct file *file, void *priv, if (fimc_lite_active(fimc)) return -EBUSY; - ret = media_entity_pipeline_start(entity, &fimc->ve.pipe->mp); + ret = media_pipeline_start(entity, &fimc->ve.pipe->mp); if (ret < 0) return ret; @@ -849,7 +849,7 @@ static int fimc_lite_streamon(struct file *file, void *priv, } err_p_stop: - media_entity_pipeline_stop(entity); + media_pipeline_stop(entity); return 0; } @@ -863,7 +863,7 @@ static int fimc_lite_streamoff(struct file *file, void *priv, if (ret < 0) return ret; - media_entity_pipeline_stop(&fimc->ve.vdev.entity); + media_pipeline_stop(&fimc->ve.vdev.entity); fimc->streaming = false; return 0; } diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index e3a8709138fa..735221a5b6b4 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1117,7 +1117,7 @@ static int __fimc_md_modify_pipeline(struct media_entity *entity, bool enable) /* Locking: called with entity->graph_obj.mdev->graph_mutex mutex held. */ static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable, - struct media_entity_graph *graph) + struct media_graph *graph) { struct media_entity *entity_err = entity; int ret; @@ -1128,9 +1128,9 @@ static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable, * through active links. This is needed as we cannot power on/off the * subdevs in random order. */ - media_entity_graph_walk_start(graph, entity); + media_graph_walk_start(graph, entity); - while ((entity = media_entity_graph_walk_next(graph))) { + while ((entity = media_graph_walk_next(graph))) { if (!is_media_entity_v4l2_video_device(entity)) continue; @@ -1143,9 +1143,9 @@ static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable, return 0; err: - media_entity_graph_walk_start(graph, entity_err); + media_graph_walk_start(graph, entity_err); - while ((entity_err = media_entity_graph_walk_next(graph))) { + while ((entity_err = media_graph_walk_next(graph))) { if (!is_media_entity_v4l2_video_device(entity_err)) continue; @@ -1161,7 +1161,7 @@ err: static int fimc_md_link_notify(struct media_link *link, unsigned int flags, unsigned int notification) { - struct media_entity_graph *graph = + struct media_graph *graph = &container_of(link->graph_obj.mdev, struct fimc_md, media_dev)->link_setup_graph; struct media_entity *sink = link->sink->entity; @@ -1169,7 +1169,7 @@ static int fimc_md_link_notify(struct media_link *link, unsigned int flags, /* Before link disconnection */ if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) { - ret = media_entity_graph_walk_init(graph, + ret = media_graph_walk_init(graph, link->graph_obj.mdev); if (ret) return ret; @@ -1183,7 +1183,7 @@ static int fimc_md_link_notify(struct media_link *link, unsigned int flags, } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH) { if (link->flags & MEDIA_LNK_FL_ENABLED) ret = __fimc_md_modify_pipelines(sink, true, graph); - media_entity_graph_walk_cleanup(graph); + media_graph_walk_cleanup(graph); } return ret ? -EPIPE : 0; diff --git a/drivers/media/platform/exynos4-is/media-dev.h b/drivers/media/platform/exynos4-is/media-dev.h index ed122cb2dd74..957787a2f480 100644 --- a/drivers/media/platform/exynos4-is/media-dev.h +++ b/drivers/media/platform/exynos4-is/media-dev.h @@ -154,7 +154,7 @@ struct fimc_md { bool user_subdev_api; spinlock_t slock; struct list_head pipelines; - struct media_entity_graph link_setup_graph; + struct media_graph link_setup_graph; }; static inline diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index 7354469670b7..5b0d16e10aa5 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -225,22 +225,22 @@ isp_video_remote_subdev(struct isp_video *video, u32 *pad) static int isp_video_get_graph_data(struct isp_video *video, struct isp_pipeline *pipe) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video.entity; struct media_device *mdev = entity->graph_obj.mdev; struct isp_video *far_end = NULL; int ret; mutex_lock(&mdev->graph_mutex); - ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + ret = media_graph_walk_init(&graph, entity->graph_obj.mdev); if (ret) { mutex_unlock(&mdev->graph_mutex); return ret; } - media_entity_graph_walk_start(&graph, entity); + media_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + while ((entity = media_graph_walk_next(&graph))) { struct isp_video *__video; media_entity_enum_set(&pipe->ent_enum, entity); @@ -261,7 +261,7 @@ static int isp_video_get_graph_data(struct isp_video *video, mutex_unlock(&mdev->graph_mutex); - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { pipe->input = far_end; @@ -1112,7 +1112,7 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) pipe->l3_ick = clk_get_rate(video->isp->clock[ISP_CLK_L3_ICK]); pipe->max_rate = pipe->l3_ick; - ret = media_entity_pipeline_start(&video->video.entity, &pipe->pipe); + ret = media_pipeline_start(&video->video.entity, &pipe->pipe); if (ret < 0) goto err_pipeline_start; @@ -1169,7 +1169,7 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) return 0; err_check_format: - media_entity_pipeline_stop(&video->video.entity); + media_pipeline_stop(&video->video.entity); err_pipeline_start: /* TODO: Implement PM QoS */ /* The DMA queue must be emptied here, otherwise CCDC interrupts that @@ -1236,7 +1236,7 @@ isp_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) video->error = false; /* TODO: Implement PM QoS */ - media_entity_pipeline_stop(&video->video.entity); + media_pipeline_stop(&video->video.entity); media_entity_enum_cleanup(&pipe->ent_enum); diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 0413a861a59a..e01ecca46866 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -856,13 +856,13 @@ static int s3c_camif_streamon(struct file *file, void *priv, if (s3c_vp_active(vp)) return 0; - ret = media_entity_pipeline_start(sensor, camif->m_pipeline); + ret = media_pipeline_start(sensor, camif->m_pipeline); if (ret < 0) return ret; ret = camif_pipeline_validate(camif); if (ret < 0) { - media_entity_pipeline_stop(sensor); + media_pipeline_stop(sensor); return ret; } @@ -886,7 +886,7 @@ static int s3c_camif_streamoff(struct file *file, void *priv, ret = vb2_streamoff(&vp->vb_queue, type); if (ret == 0) - media_entity_pipeline_stop(&camif->sensor.sd->entity); + media_pipeline_stop(&camif->sensor.sd->entity); return ret; } diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c index cd209dccff1b..b4b583f7137a 100644 --- a/drivers/media/platform/vsp1/vsp1_drm.c +++ b/drivers/media/platform/vsp1/vsp1_drm.c @@ -90,7 +90,7 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width, if (ret == -ETIMEDOUT) dev_err(vsp1->dev, "DRM pipeline stop timeout\n"); - media_entity_pipeline_stop(&pipe->output->entity.subdev.entity); + media_pipeline_stop(&pipe->output->entity.subdev.entity); for (i = 0; i < bru->entity.source_pad; ++i) { vsp1->drm->inputs[i].enabled = false; @@ -196,7 +196,7 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width, if (ret < 0) return ret; - ret = media_entity_pipeline_start(&pipe->output->entity.subdev.entity, + ret = media_pipeline_start(&pipe->output->entity.subdev.entity, &pipe->pipe); if (ret < 0) { dev_dbg(vsp1->dev, "%s: pipeline start failed\n", __func__); diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 41e8b096dab8..e6592b576ca3 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -548,20 +548,20 @@ out: static int vsp1_video_pipeline_build(struct vsp1_pipeline *pipe, struct vsp1_video *video) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video.entity; struct media_device *mdev = entity->graph_obj.mdev; unsigned int i; int ret; /* Walk the graph to locate the entities and video nodes. */ - ret = media_entity_graph_walk_init(&graph, mdev); + ret = media_graph_walk_init(&graph, mdev); if (ret) return ret; - media_entity_graph_walk_start(&graph, entity); + media_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + while ((entity = media_graph_walk_next(&graph))) { struct v4l2_subdev *subdev; struct vsp1_rwpf *rwpf; struct vsp1_entity *e; @@ -590,7 +590,7 @@ static int vsp1_video_pipeline_build(struct vsp1_pipeline *pipe, } } - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); /* We need one output and at least one input. */ if (pipe->num_inputs == 0 || !pipe->output) @@ -848,7 +848,7 @@ static void vsp1_video_stop_streaming(struct vb2_queue *vq) } mutex_unlock(&pipe->lock); - media_entity_pipeline_stop(&video->video.entity); + media_pipeline_stop(&video->video.entity); vsp1_video_pipeline_put(pipe); /* Remove all buffers from the IRQ queue. */ @@ -980,7 +980,7 @@ vsp1_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) return PTR_ERR(pipe); } - ret = __media_entity_pipeline_start(&video->video.entity, &pipe->pipe); + ret = __media_pipeline_start(&video->video.entity, &pipe->pipe); if (ret < 0) { mutex_unlock(&mdev->graph_mutex); goto err_pipe; @@ -1003,7 +1003,7 @@ vsp1_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) return 0; err_stop: - media_entity_pipeline_stop(&video->video.entity); + media_pipeline_stop(&video->video.entity); err_pipe: vsp1_video_pipeline_put(pipe); return ret; diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c index 1d5836c3fb7a..065df82a2cef 100644 --- a/drivers/media/platform/xilinx/xilinx-dma.c +++ b/drivers/media/platform/xilinx/xilinx-dma.c @@ -177,7 +177,7 @@ done: static int xvip_pipeline_validate(struct xvip_pipeline *pipe, struct xvip_dma *start) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &start->video.entity; struct media_device *mdev = entity->graph_obj.mdev; unsigned int num_inputs = 0; @@ -187,15 +187,15 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe, mutex_lock(&mdev->graph_mutex); /* Walk the graph to locate the video nodes. */ - ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + ret = media_graph_walk_init(&graph, entity->graph_obj.mdev); if (ret) { mutex_unlock(&mdev->graph_mutex); return ret; } - media_entity_graph_walk_start(&graph, entity); + media_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + while ((entity = media_graph_walk_next(&graph))) { struct xvip_dma *dma; if (entity->function != MEDIA_ENT_F_IO_V4L) @@ -213,7 +213,7 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe, mutex_unlock(&mdev->graph_mutex); - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); /* We need exactly one output and zero or one input. */ if (num_outputs != 1 || num_inputs > 1) @@ -409,7 +409,7 @@ static int xvip_dma_start_streaming(struct vb2_queue *vq, unsigned int count) pipe = dma->video.entity.pipe ? to_xvip_pipeline(&dma->video.entity) : &dma->pipe; - ret = media_entity_pipeline_start(&dma->video.entity, &pipe->pipe); + ret = media_pipeline_start(&dma->video.entity, &pipe->pipe); if (ret < 0) goto error; @@ -435,7 +435,7 @@ static int xvip_dma_start_streaming(struct vb2_queue *vq, unsigned int count) return 0; error_stop: - media_entity_pipeline_stop(&dma->video.entity); + media_pipeline_stop(&dma->video.entity); error: /* Give back all queued buffers to videobuf2. */ @@ -463,7 +463,7 @@ static void xvip_dma_stop_streaming(struct vb2_queue *vq) /* Cleanup the pipeline and mark it as being stopped. */ xvip_pipeline_cleanup(pipe); - media_entity_pipeline_stop(&dma->video.entity); + media_pipeline_stop(&dma->video.entity); /* Give back all queued buffers to videobuf2. */ spin_lock_irq(&dma->queued_lock); diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 4e14e1125f8e..8c0494042d06 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -393,7 +393,7 @@ static int au0828_enable_source(struct media_entity *entity, goto end; } - ret = __media_entity_pipeline_start(entity, pipe); + ret = __media_pipeline_start(entity, pipe); if (ret) { pr_err("Start Pipeline: %s->%s Error %d\n", source->name, entity->name, ret); @@ -447,7 +447,7 @@ static void au0828_disable_source(struct media_entity *entity) */ if (dev->active_link_owner != entity) goto end; - __media_entity_pipeline_stop(entity); + __media_pipeline_stop(entity); ret = __media_entity_setup_link(dev->active_link, 0); if (ret) pr_err("Deactivate link Error %d\n", ret); diff --git a/drivers/media/v4l2-core/v4l2-mc.c b/drivers/media/v4l2-core/v4l2-mc.c index 8bef4331bd51..fcf614a82bb8 100644 --- a/drivers/media/v4l2-core/v4l2-mc.c +++ b/drivers/media/v4l2-core/v4l2-mc.c @@ -256,13 +256,13 @@ EXPORT_SYMBOL_GPL(v4l_vb2q_enable_media_source); * Return the total number of users of all video device nodes in the pipeline. */ static int pipeline_pm_use_count(struct media_entity *entity, - struct media_entity_graph *graph) + struct media_graph *graph) { int use = 0; - media_entity_graph_walk_start(graph, entity); + media_graph_walk_start(graph, entity); - while ((entity = media_entity_graph_walk_next(graph))) { + while ((entity = media_graph_walk_next(graph))) { if (is_media_entity_v4l2_video_device(entity)) use += entity->use_count; } @@ -315,7 +315,7 @@ static int pipeline_pm_power_one(struct media_entity *entity, int change) * Return 0 on success or a negative error code on failure. */ static int pipeline_pm_power(struct media_entity *entity, int change, - struct media_entity_graph *graph) + struct media_graph *graph) { struct media_entity *first = entity; int ret = 0; @@ -323,18 +323,18 @@ static int pipeline_pm_power(struct media_entity *entity, int change, if (!change) return 0; - media_entity_graph_walk_start(graph, entity); + media_graph_walk_start(graph, entity); - while (!ret && (entity = media_entity_graph_walk_next(graph))) + while (!ret && (entity = media_graph_walk_next(graph))) if (is_media_entity_v4l2_subdev(entity)) ret = pipeline_pm_power_one(entity, change); if (!ret) return ret; - media_entity_graph_walk_start(graph, first); + media_graph_walk_start(graph, first); - while ((first = media_entity_graph_walk_next(graph)) + while ((first = media_graph_walk_next(graph)) && first != entity) if (is_media_entity_v4l2_subdev(first)) pipeline_pm_power_one(first, -change); @@ -368,7 +368,7 @@ EXPORT_SYMBOL_GPL(v4l2_pipeline_pm_use); int v4l2_pipeline_link_notify(struct media_link *link, u32 flags, unsigned int notification) { - struct media_entity_graph *graph = &link->graph_obj.mdev->pm_count_walk; + struct media_graph *graph = &link->graph_obj.mdev->pm_count_walk; struct media_entity *source = link->source->entity; struct media_entity *sink = link->sink->entity; int source_use; diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index c27d7e9a1bdb..03269d37a376 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -129,7 +129,7 @@ __vpfe_video_get_format(struct vpfe_video_device *video, /* make a note of pipeline details */ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video_dev.entity; struct media_device *mdev = entity->graph_obj.mdev; struct vpfe_pipeline *pipe = &video->pipe; @@ -145,13 +145,13 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) pipe->outputs[pipe->output_num++] = video; mutex_lock(&mdev->graph_mutex); - ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + ret = media_graph_walk_init(&graph, entity->graph_obj.mdev); if (ret) { mutex_unlock(&mdev->graph_mutex); return -ENOMEM; } - media_entity_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + media_graph_walk_start(&graph, entity); + while ((entity = media_graph_walk_next(&graph))) { if (entity == &video->video_dev.entity) continue; if (!is_media_entity_v4l2_video_device(entity)) @@ -162,7 +162,7 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) else pipe->outputs[pipe->output_num++] = far_end; } - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); mutex_unlock(&mdev->graph_mutex); return 0; @@ -300,12 +300,11 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe) mdev = entity->graph_obj.mdev; mutex_lock(&mdev->graph_mutex); - ret = media_entity_graph_walk_init(&pipe->graph, - entity->graph_obj.mdev); + ret = media_graph_walk_init(&pipe->graph, entity->graph_obj.mdev); if (ret) goto out; - media_entity_graph_walk_start(&pipe->graph, entity); - while ((entity = media_entity_graph_walk_next(&pipe->graph))) { + media_graph_walk_start(&pipe->graph, entity); + while ((entity = media_graph_walk_next(&pipe->graph))) { if (!is_media_entity_v4l2_subdev(entity)) continue; @@ -316,7 +315,7 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe) } out: if (ret) - media_entity_graph_walk_cleanup(&pipe->graph); + media_graph_walk_cleanup(&pipe->graph); mutex_unlock(&mdev->graph_mutex); return ret; } @@ -346,9 +345,9 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe) mdev = entity->graph_obj.mdev; mutex_lock(&mdev->graph_mutex); - media_entity_graph_walk_start(&pipe->graph, entity); + media_graph_walk_start(&pipe->graph, entity); - while ((entity = media_entity_graph_walk_next(&pipe->graph))) { + while ((entity = media_graph_walk_next(&pipe->graph))) { if (!is_media_entity_v4l2_subdev(entity)) continue; @@ -359,7 +358,7 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe) } mutex_unlock(&mdev->graph_mutex); - media_entity_graph_walk_cleanup(&pipe->graph); + media_graph_walk_cleanup(&pipe->graph); return ret ? -ETIMEDOUT : 0; } diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.h b/drivers/staging/media/davinci_vpfe/vpfe_video.h index aaec4403df3b..22136d3dadcb 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.h +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.h @@ -52,7 +52,7 @@ enum vpfe_video_state { struct vpfe_pipeline { /* media pipeline */ struct media_pipeline *pipe; - struct media_entity_graph graph; + struct media_graph graph; /* state of the pipeline, continuous, * single-shot or stopped */ diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c index c16927ac8eb0..f4b0e660109f 100644 --- a/drivers/staging/media/omap4iss/iss_video.c +++ b/drivers/staging/media/omap4iss/iss_video.c @@ -205,21 +205,21 @@ iss_video_remote_subdev(struct iss_video *video, u32 *pad) static struct iss_video * iss_video_far_end(struct iss_video *video) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video.entity; struct media_device *mdev = entity->graph_obj.mdev; struct iss_video *far_end = NULL; mutex_lock(&mdev->graph_mutex); - if (media_entity_graph_walk_init(&graph, mdev)) { + if (media_graph_walk_init(&graph, mdev)) { mutex_unlock(&mdev->graph_mutex); return NULL; } - media_entity_graph_walk_start(&graph, entity); + media_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + while ((entity = media_graph_walk_next(&graph))) { if (entity == &video->video.entity) continue; @@ -235,7 +235,7 @@ iss_video_far_end(struct iss_video *video) mutex_unlock(&mdev->graph_mutex); - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); return far_end; } @@ -854,7 +854,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) { struct iss_video_fh *vfh = to_iss_video_fh(fh); struct iss_video *video = video_drvdata(file); - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video.entity; enum iss_pipeline_state state; struct iss_pipeline *pipe; @@ -880,19 +880,19 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) if (ret) goto err_graph_walk_init; - ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + ret = media_graph_walk_init(&graph, entity->graph_obj.mdev); if (ret) goto err_graph_walk_init; if (video->iss->pdata->set_constraints) video->iss->pdata->set_constraints(video->iss, true); - ret = media_entity_pipeline_start(entity, &pipe->pipe); + ret = media_pipeline_start(entity, &pipe->pipe); if (ret < 0) - goto err_media_entity_pipeline_start; + goto err_media_pipeline_start; - media_entity_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) + media_graph_walk_start(&graph, entity); + while ((entity = media_graph_walk_next(&graph))) media_entity_enum_set(&pipe->ent_enum, entity); /* Verify that the currently configured format matches the output of @@ -963,7 +963,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) spin_unlock_irqrestore(&video->qlock, flags); } - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); mutex_unlock(&video->stream_lock); @@ -972,13 +972,13 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) err_omap4iss_set_stream: vb2_streamoff(&vfh->queue, type); err_iss_video_check_format: - media_entity_pipeline_stop(&video->video.entity); -err_media_entity_pipeline_start: + media_pipeline_stop(&video->video.entity); +err_media_pipeline_start: if (video->iss->pdata->set_constraints) video->iss->pdata->set_constraints(video->iss, false); video->queue = NULL; - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); err_graph_walk_init: media_entity_enum_cleanup(&pipe->ent_enum); @@ -1026,7 +1026,7 @@ iss_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) if (video->iss->pdata->set_constraints) video->iss->pdata->set_constraints(video->iss, false); - media_entity_pipeline_stop(&video->video.entity); + media_pipeline_stop(&video->video.entity); done: mutex_unlock(&video->stream_lock); diff --git a/include/media/media-device.h b/include/media/media-device.h index e9f1224ca45b..ae4eef416d70 100644 --- a/include/media/media-device.h +++ b/include/media/media-device.h @@ -150,7 +150,7 @@ struct media_device { /* Serializes graph operations. */ struct mutex graph_mutex; - struct media_entity_graph pm_count_walk; + struct media_graph pm_count_walk; void *source_priv; int (*enable_source)(struct media_entity *entity, diff --git a/include/media/media-entity.h b/include/media/media-entity.h index 8a69550f30f8..c7c254c5bca1 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -82,7 +82,7 @@ struct media_entity_enum { }; /** - * struct media_entity_graph - Media graph traversal state + * struct media_graph - Media graph traversal state * * @stack: Graph traversal stack; the stack contains information * on the path the media entities to be walked and the @@ -90,7 +90,7 @@ struct media_entity_enum { * @ent_enum: Visited entities * @top: The top of the stack */ -struct media_entity_graph { +struct media_graph { struct { struct media_entity *entity; struct list_head *link; @@ -108,7 +108,7 @@ struct media_entity_graph { */ struct media_pipeline { int streaming_count; - struct media_entity_graph graph; + struct media_graph graph; }; /** @@ -175,7 +175,7 @@ struct media_pad { * return an error, in which case link setup will be * cancelled. Optional. * @link_validate: Return whether a link is valid from the entity point of - * view. The media_entity_pipeline_start() function + * view. The media_pipeline_start() function * validates all links by calling this operation. Optional. * * .. note:: @@ -816,20 +816,20 @@ struct media_pad *media_entity_remote_pad(struct media_pad *pad); struct media_entity *media_entity_get(struct media_entity *entity); /** - * media_entity_graph_walk_init - Allocate resources used by graph walk. + * media_graph_walk_init - Allocate resources used by graph walk. * * @graph: Media graph structure that will be used to walk the graph * @mdev: Pointer to the &media_device that contains the object */ -__must_check int media_entity_graph_walk_init( - struct media_entity_graph *graph, struct media_device *mdev); +__must_check int media_graph_walk_init( + struct media_graph *graph, struct media_device *mdev); /** - * media_entity_graph_walk_cleanup - Release resources used by graph walk. + * media_graph_walk_cleanup - Release resources used by graph walk. * * @graph: Media graph structure that will be used to walk the graph */ -void media_entity_graph_walk_cleanup(struct media_entity_graph *graph); +void media_graph_walk_cleanup(struct media_graph *graph); /** * media_entity_put - Release the reference to the parent module @@ -843,40 +843,39 @@ void media_entity_graph_walk_cleanup(struct media_entity_graph *graph); void media_entity_put(struct media_entity *entity); /** - * media_entity_graph_walk_start - Start walking the media graph at a + * media_graph_walk_start - Start walking the media graph at a * given entity * * @graph: Media graph structure that will be used to walk the graph * @entity: Starting entity * - * Before using this function, media_entity_graph_walk_init() must be + * Before using this function, media_graph_walk_init() must be * used to allocate resources used for walking the graph. This * function initializes the graph traversal structure to walk the * entities graph starting at the given entity. The traversal * structure must not be modified by the caller during graph * traversal. After the graph walk, the resources must be released - * using media_entity_graph_walk_cleanup(). + * using media_graph_walk_cleanup(). */ -void media_entity_graph_walk_start(struct media_entity_graph *graph, - struct media_entity *entity); +void media_graph_walk_start(struct media_graph *graph, + struct media_entity *entity); /** - * media_entity_graph_walk_next - Get the next entity in the graph + * media_graph_walk_next - Get the next entity in the graph * @graph: Media graph structure * * Perform a depth-first traversal of the given media entities graph. * * The graph structure must have been previously initialized with a call to - * media_entity_graph_walk_start(). + * media_graph_walk_start(). * * Return: returns the next entity in the graph or %NULL if the whole graph * have been traversed. */ -struct media_entity * -media_entity_graph_walk_next(struct media_entity_graph *graph); +struct media_entity *media_graph_walk_next(struct media_graph *graph); /** - * media_entity_pipeline_start - Mark a pipeline as streaming + * media_pipeline_start - Mark a pipeline as streaming * @entity: Starting entity * @pipe: Media pipeline to be assigned to all entities in the pipeline. * @@ -885,45 +884,45 @@ media_entity_graph_walk_next(struct media_entity_graph *graph); * to every entity in the pipeline and stored in the media_entity pipe field. * * Calls to this function can be nested, in which case the same number of - * media_entity_pipeline_stop() calls will be required to stop streaming. The + * media_pipeline_stop() calls will be required to stop streaming. The * pipeline pointer must be identical for all nested calls to - * media_entity_pipeline_start(). + * media_pipeline_start(). */ -__must_check int media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe); +__must_check int media_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe); /** - * __media_entity_pipeline_start - Mark a pipeline as streaming + * __media_pipeline_start - Mark a pipeline as streaming * * @entity: Starting entity * @pipe: Media pipeline to be assigned to all entities in the pipeline. * - * ..note:: This is the non-locking version of media_entity_pipeline_start() + * ..note:: This is the non-locking version of media_pipeline_start() */ -__must_check int __media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe); +__must_check int __media_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe); /** - * media_entity_pipeline_stop - Mark a pipeline as not streaming + * media_pipeline_stop - Mark a pipeline as not streaming * @entity: Starting entity * * Mark all entities connected to a given entity through enabled links, either * directly or indirectly, as not streaming. The media_entity pipe field is * reset to %NULL. * - * If multiple calls to media_entity_pipeline_start() have been made, the same + * If multiple calls to media_pipeline_start() have been made, the same * number of calls to this function are required to mark the pipeline as not * streaming. */ -void media_entity_pipeline_stop(struct media_entity *entity); +void media_pipeline_stop(struct media_entity *entity); /** - * __media_entity_pipeline_stop - Mark a pipeline as not streaming + * __media_pipeline_stop - Mark a pipeline as not streaming * * @entity: Starting entity * - * .. note:: This is the non-locking version of media_entity_pipeline_stop() + * .. note:: This is the non-locking version of media_pipeline_stop() */ -void __media_entity_pipeline_stop(struct media_entity *entity); +void __media_pipeline_stop(struct media_entity *entity); /** * media_devnode_create() - creates and initializes a device node interface |