diff mbox

[REVIEW,v2,02/11] exynos4-is: Add struct exynos_video_entity

Message ID 1370011047-11488-3-git-send-email-s.nawrocki@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

This patch introduces common structure for the video entities
to handle all video nodes and media pipelines associated with
them in more generic way.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/media/platform/exynos4-is/fimc-capture.c  |   43 ++++++++++++---------
 drivers/media/platform/exynos4-is/fimc-core.h     |    4 +-
 drivers/media/platform/exynos4-is/fimc-lite-reg.c |    2 +-
 drivers/media/platform/exynos4-is/fimc-lite.c     |   20 +++++-----
 drivers/media/platform/exynos4-is/fimc-lite.h     |    4 +-
 drivers/media/platform/exynos4-is/fimc-reg.c      |    7 ++--
 drivers/media/platform/exynos4-is/media-dev.c     |    4 +-
 drivers/media/platform/exynos4-is/media-dev.h     |    8 ++--
 include/media/s5p_fimc.h                          |    5 +++
 9 files changed, 55 insertions(+), 42 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
index 528f413..be4387b 100644
--- a/drivers/media/platform/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/exynos4-is/fimc-capture.c
@@ -320,6 +320,7 @@  static void buffer_queue(struct vb2_buffer *vb);
 int fimc_capture_resume(struct fimc_dev *fimc)
 {
 	struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
+	struct exynos_video_entity *ve = &vid_cap->ve;
 	struct fimc_vid_buffer *buf;
 	int i;
 
@@ -329,7 +330,7 @@  int fimc_capture_resume(struct fimc_dev *fimc)
 	INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
 	vid_cap->buf_index = 0;
 	fimc_pipeline_call(fimc, open, &fimc->pipeline,
-			   &vid_cap->vfd.entity, false);
+			   &ve->vdev.entity, false);
 	fimc_capture_hw_init(fimc);
 
 	clear_bit(ST_CAPT_SUSPENDED, &fimc->state);
@@ -397,7 +398,7 @@  static int buffer_prepare(struct vb2_buffer *vb)
 		unsigned long size = ctx->d_frame.payload[i];
 
 		if (vb2_plane_size(vb, i) < size) {
-			v4l2_err(&ctx->fimc_dev->vid_cap.vfd,
+			v4l2_err(&ctx->fimc_dev->vid_cap.ve.vdev,
 				 "User buffer too small (%ld < %ld)\n",
 				 vb2_plane_size(vb, i), size);
 			return -EINVAL;
@@ -415,6 +416,7 @@  static void buffer_queue(struct vb2_buffer *vb)
 	struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 	struct fimc_dev *fimc = ctx->fimc_dev;
 	struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
+	struct exynos_video_entity *ve = &vid_cap->ve;
 	unsigned long flags;
 	int min_bufs;
 
@@ -454,7 +456,7 @@  static void buffer_queue(struct vb2_buffer *vb)
 
 		ret = fimc_pipeline_call(fimc, set_stream, &fimc->pipeline, 1);
 		if (ret < 0)
-			v4l2_err(&vid_cap->vfd, "stream on failed: %d\n", ret);
+			v4l2_err(&ve->vdev, "stream on failed: %d\n", ret);
 		return;
 	}
 	spin_unlock_irqrestore(&fimc->slock, flags);
@@ -503,11 +505,12 @@  static int fimc_capture_set_default_format(struct fimc_dev *fimc);
 static int fimc_capture_open(struct file *file)
 {
 	struct fimc_dev *fimc = video_drvdata(file);
+	struct exynos_video_entity *ve = &fimc->vid_cap.ve;
 	int ret = -EBUSY;
 
 	dbg("pid: %d, state: 0x%lx", task_pid_nr(current), fimc->state);
 
-	fimc_md_graph_lock(fimc);
+	fimc_md_graph_lock(ve);
 	mutex_lock(&fimc->lock);
 
 	if (fimc_m2m_active(fimc))
@@ -526,7 +529,7 @@  static int fimc_capture_open(struct file *file)
 
 	if (v4l2_fh_is_singular_file(file)) {
 		ret = fimc_pipeline_call(fimc, open, &fimc->pipeline,
-					 &fimc->vid_cap.vfd.entity, true);
+					 &fimc->vid_cap.ve.vdev.entity, true);
 
 		if (!ret && !fimc->vid_cap.user_subdev_api)
 			ret = fimc_capture_set_default_format(fimc);
@@ -544,7 +547,7 @@  static int fimc_capture_open(struct file *file)
 	}
 unlock:
 	mutex_unlock(&fimc->lock);
-	fimc_md_graph_unlock(fimc);
+	fimc_md_graph_unlock(ve);
 	return ret;
 }
 
@@ -560,7 +563,7 @@  static int fimc_capture_release(struct file *file)
 
 	if (v4l2_fh_is_singular_file(file)) {
 		if (vc->streaming) {
-			media_entity_pipeline_stop(&vc->vfd.entity);
+			media_entity_pipeline_stop(&vc->ve.vdev.entity);
 			vc->streaming = false;
 		}
 		clear_bit(ST_CAPT_BUSY, &fimc->state);
@@ -935,11 +938,12 @@  static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
 	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
 	struct fimc_dev *fimc = video_drvdata(file);
 	struct fimc_ctx *ctx = fimc->vid_cap.ctx;
+	struct exynos_video_entity *ve = &fimc->vid_cap.ve;
 	struct v4l2_mbus_framefmt mf;
 	struct fimc_fmt *ffmt = NULL;
 	int ret = 0;
 
-	fimc_md_graph_lock(fimc);
+	fimc_md_graph_lock(ve);
 	mutex_lock(&fimc->lock);
 
 	if (fimc_jpeg_fourcc(pix->pixelformat)) {
@@ -975,7 +979,7 @@  static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
 					pix->plane_fmt, ffmt->memplanes, true);
 unlock:
 	mutex_unlock(&fimc->lock);
-	fimc_md_graph_unlock(fimc);
+	fimc_md_graph_unlock(ve);
 
 	return ret;
 }
@@ -1076,7 +1080,7 @@  static int fimc_cap_s_fmt_mplane(struct file *file, void *priv,
 	struct fimc_dev *fimc = video_drvdata(file);
 	int ret;
 
-	fimc_md_graph_lock(fimc);
+	fimc_md_graph_lock(&fimc->vid_cap.ve);
 	mutex_lock(&fimc->lock);
 	/*
 	 * The graph is walked within __fimc_capture_set_format() to set
@@ -1088,8 +1092,8 @@  static int fimc_cap_s_fmt_mplane(struct file *file, void *priv,
 	 */
 	ret = __fimc_capture_set_format(fimc, f);
 
+	fimc_md_graph_unlock(&fimc->vid_cap.ve);
 	mutex_unlock(&fimc->lock);
-	fimc_md_graph_unlock(fimc);
 	return ret;
 }
 
@@ -1209,7 +1213,7 @@  static int fimc_cap_streamon(struct file *file, void *priv,
 	struct fimc_dev *fimc = video_drvdata(file);
 	struct fimc_pipeline *p = &fimc->pipeline;
 	struct fimc_vid_cap *vc = &fimc->vid_cap;
-	struct media_entity *entity = &vc->vfd.entity;
+	struct media_entity *entity = &vc->ve.vdev.entity;
 	struct fimc_source_info *si = NULL;
 	struct v4l2_subdev *sd;
 	int ret;
@@ -1259,14 +1263,15 @@  static int fimc_cap_streamoff(struct file *file, void *priv,
 			    enum v4l2_buf_type type)
 {
 	struct fimc_dev *fimc = video_drvdata(file);
+	struct fimc_vid_cap *vc = &fimc->vid_cap;
 	int ret;
 
 	ret = vb2_ioctl_streamoff(file, priv, type);
 	if (ret < 0)
 		return ret;
 
-	media_entity_pipeline_stop(&fimc->vid_cap.vfd.entity);
-	fimc->vid_cap.streaming = false;
+	media_entity_pipeline_stop(&vc->ve.vdev.entity);
+	vc->streaming = false;
 	return 0;
 }
 
@@ -1735,7 +1740,7 @@  static int fimc_capture_set_default_format(struct fimc_dev *fimc)
 static int fimc_register_capture_device(struct fimc_dev *fimc,
 				 struct v4l2_device *v4l2_dev)
 {
-	struct video_device *vfd = &fimc->vid_cap.vfd;
+	struct video_device *vfd = &fimc->vid_cap.ve.vdev;
 	struct vb2_queue *q = &fimc->vid_cap.vbq;
 	struct fimc_ctx *ctx;
 	struct fimc_vid_cap *vid_cap;
@@ -1840,15 +1845,17 @@  static int fimc_capture_subdev_registered(struct v4l2_subdev *sd)
 static void fimc_capture_subdev_unregistered(struct v4l2_subdev *sd)
 {
 	struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
+	struct video_device *vdev;
 
 	if (fimc == NULL)
 		return;
 
 	fimc_unregister_m2m_device(fimc);
+	vdev = &fimc->vid_cap.ve.vdev;
 
-	if (video_is_registered(&fimc->vid_cap.vfd)) {
-		video_unregister_device(&fimc->vid_cap.vfd);
-		media_entity_cleanup(&fimc->vid_cap.vfd.entity);
+	if (video_is_registered(vdev)) {
+		video_unregister_device(vdev);
+		media_entity_cleanup(&vdev->entity);
 		fimc->pipeline_ops = NULL;
 	}
 	kfree(fimc->vid_cap.ctx);
diff --git a/drivers/media/platform/exynos4-is/fimc-core.h b/drivers/media/platform/exynos4-is/fimc-core.h
index 8666e4b..401b746 100644
--- a/drivers/media/platform/exynos4-is/fimc-core.h
+++ b/drivers/media/platform/exynos4-is/fimc-core.h
@@ -285,8 +285,8 @@  struct fimc_m2m_device {
 /**
  * struct fimc_vid_cap - camera capture device information
  * @ctx: hardware context data
- * @vfd: video device node for camera capture mode
  * @subdev: subdev exposing the FIMC processing block
+ * @ve: exynos video device entity structure
  * @vd_pad: fimc video capture node pad
  * @sd_pads: fimc video processing block pads
  * @ci_fmt: image format at the FIMC camera input (and the scaler output)
@@ -307,8 +307,8 @@  struct fimc_m2m_device {
 struct fimc_vid_cap {
 	struct fimc_ctx			*ctx;
 	struct vb2_alloc_ctx		*alloc_ctx;
-	struct video_device		vfd;
 	struct v4l2_subdev		subdev;
+	struct exynos_video_entity	ve;
 	struct media_pad		vd_pad;
 	struct media_pad		sd_pads[FIMC_SD_PADS_NUM];
 	struct v4l2_mbus_framefmt	ci_fmt;
diff --git a/drivers/media/platform/exynos4-is/fimc-lite-reg.c b/drivers/media/platform/exynos4-is/fimc-lite-reg.c
index 8cc0d39..eb4f763 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite-reg.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite-reg.c
@@ -137,7 +137,7 @@  void flite_hw_set_source_format(struct fimc_lite *dev, struct flite_frame *f)
 	}
 
 	if (i == 0 && src_pixfmt_map[i][0] != pixelcode) {
-		v4l2_err(&dev->vfd,
+		v4l2_err(&dev->ve.vdev,
 			 "Unsupported pixel code, falling back to %#08x\n",
 			 src_pixfmt_map[i][0]);
 	}
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
index 66480e7..a68c9c6 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -392,7 +392,7 @@  static int buffer_prepare(struct vb2_buffer *vb)
 		unsigned long size = fimc->payload[i];
 
 		if (vb2_plane_size(vb, i) < size) {
-			v4l2_err(&fimc->vfd,
+			v4l2_err(&fimc->ve.vdev,
 				 "User buffer too small (%ld < %ld)\n",
 				 vb2_plane_size(vb, i), size);
 			return -EINVAL;
@@ -458,7 +458,7 @@  static void fimc_lite_clear_event_counters(struct fimc_lite *fimc)
 static int fimc_lite_open(struct file *file)
 {
 	struct fimc_lite *fimc = video_drvdata(file);
-	struct media_entity *me = &fimc->vfd.entity;
+	struct media_entity *me = &fimc->ve.vdev.entity;
 	int ret;
 
 	mutex_lock(&me->parent->graph_mutex);
@@ -509,7 +509,7 @@  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(&fimc->vfd.entity);
+			media_entity_pipeline_stop(&fimc->ve.vdev.entity);
 			fimc->streaming = false;
 		}
 		clear_bit(ST_FLITE_IN_USE, &fimc->state);
@@ -792,7 +792,7 @@  static int fimc_lite_streamon(struct file *file, void *priv,
 			      enum v4l2_buf_type type)
 {
 	struct fimc_lite *fimc = video_drvdata(file);
-	struct media_entity *entity = &fimc->vfd.entity;
+	struct media_entity *entity = &fimc->ve.vdev.entity;
 	struct fimc_pipeline *p = &fimc->pipeline;
 	int ret;
 
@@ -830,7 +830,7 @@  static int fimc_lite_streamoff(struct file *file, void *priv,
 	if (ret < 0)
 		return ret;
 
-	media_entity_pipeline_stop(&fimc->vfd.entity);
+	media_entity_pipeline_stop(&fimc->ve.vdev.entity);
 	fimc->streaming = false;
 	return 0;
 }
@@ -1234,7 +1234,7 @@  static int fimc_lite_subdev_registered(struct v4l2_subdev *sd)
 {
 	struct fimc_lite *fimc = v4l2_get_subdevdata(sd);
 	struct vb2_queue *q = &fimc->vb_queue;
-	struct video_device *vfd = &fimc->vfd;
+	struct video_device *vfd = &fimc->ve.vdev;
 	int ret;
 
 	memset(vfd, 0, sizeof(*vfd));
@@ -1298,9 +1298,9 @@  static void fimc_lite_subdev_unregistered(struct v4l2_subdev *sd)
 	if (fimc == NULL)
 		return;
 
-	if (video_is_registered(&fimc->vfd)) {
-		video_unregister_device(&fimc->vfd);
-		media_entity_cleanup(&fimc->vfd.entity);
+	if (video_is_registered(&fimc->ve.vdev)) {
+		video_unregister_device(&fimc->ve.vdev);
+		media_entity_cleanup(&fimc->ve.vdev.entity);
 		fimc->pipeline_ops = NULL;
 	}
 }
@@ -1548,7 +1548,7 @@  static int fimc_lite_resume(struct device *dev)
 
 	INIT_LIST_HEAD(&fimc->active_buf_q);
 	fimc_pipeline_call(fimc, open, &fimc->pipeline,
-			   &fimc->vfd.entity, false);
+			   &fimc->ve.vdev.entity, false);
 	fimc_lite_hw_init(fimc, atomic_read(&fimc->out_path) == FIMC_IO_ISP);
 	clear_bit(ST_FLITE_SUSPENDED, &fimc->state);
 
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.h b/drivers/media/platform/exynos4-is/fimc-lite.h
index 47da5e0..fa3886a 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.h
+++ b/drivers/media/platform/exynos4-is/fimc-lite.h
@@ -95,8 +95,8 @@  struct flite_buffer {
  * struct fimc_lite - fimc lite structure
  * @pdev: pointer to FIMC-LITE platform device
  * @dd: SoC specific driver data structure
+ * @ve: exynos video device entity structure
  * @v4l2_dev: pointer to top the level v4l2_device
- * @vfd: video device node
  * @fh: v4l2 file handle
  * @alloc_ctx: videobuf2 memory allocator context
  * @subdev: FIMC-LITE subdev
@@ -130,8 +130,8 @@  struct flite_buffer {
 struct fimc_lite {
 	struct platform_device	*pdev;
 	struct flite_drvdata	*dd;
+	struct exynos_video_entity ve;
 	struct v4l2_device	*v4l2_dev;
-	struct video_device	vfd;
 	struct v4l2_fh		fh;
 	struct vb2_alloc_ctx	*alloc_ctx;
 	struct v4l2_subdev	subdev;
diff --git a/drivers/media/platform/exynos4-is/fimc-reg.c b/drivers/media/platform/exynos4-is/fimc-reg.c
index f079f36..1db8cb4 100644
--- a/drivers/media/platform/exynos4-is/fimc-reg.c
+++ b/drivers/media/platform/exynos4-is/fimc-reg.c
@@ -618,7 +618,7 @@  int fimc_hw_set_camera_source(struct fimc_dev *fimc,
 		}
 
 		if (i == ARRAY_SIZE(pix_desc)) {
-			v4l2_err(&vc->vfd,
+			v4l2_err(&vc->ve.vdev,
 				 "Camera color format not supported: %d\n",
 				 vc->ci_fmt.code);
 			return -EINVAL;
@@ -698,7 +698,7 @@  int fimc_hw_set_camera_type(struct fimc_dev *fimc,
 			cfg |= FIMC_REG_CIGCTRL_CAM_JPEG;
 			break;
 		default:
-			v4l2_err(&vid_cap->vfd,
+			v4l2_err(&vid_cap->ve.vdev,
 				 "Not supported camera pixel format: %#x\n",
 				 vid_cap->ci_fmt.code);
 			return -EINVAL;
@@ -721,7 +721,8 @@  int fimc_hw_set_camera_type(struct fimc_dev *fimc,
 			WARN_ONCE(1, "ISP Writeback input is not supported\n");
 		break;
 	default:
-		v4l2_err(&vid_cap->vfd, "Invalid FIMC bus type selected: %d\n",
+		v4l2_err(&vid_cap->ve.vdev,
+			 "Invalid FIMC bus type selected: %d\n",
 			 source->fimc_bus_type);
 		return -EINVAL;
 	}
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 15ef8f2..032d2b7 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -929,7 +929,7 @@  static int __fimc_md_create_flite_source_links(struct fimc_md *fmd)
 			continue;
 
 		source = &fimc->subdev.entity;
-		sink = &fimc->vfd.entity;
+		sink = &fimc->ve.vdev.entity;
 		/* FIMC-LITE's subdev and video node */
 		ret = media_entity_create_link(source, FLITE_SD_PAD_SOURCE_DMA,
 					       sink, 0, 0);
@@ -1066,7 +1066,7 @@  static int fimc_md_create_links(struct fimc_md *fmd)
 			continue;
 
 		source = &fmd->fimc[i]->vid_cap.subdev.entity;
-		sink = &fmd->fimc[i]->vid_cap.vfd.entity;
+		sink = &fmd->fimc[i]->vid_cap.ve.vdev.entity;
 
 		ret = media_entity_create_link(source, FIMC_SD_PAD_SOURCE,
 					      sink, 0, flags);
diff --git a/drivers/media/platform/exynos4-is/media-dev.h b/drivers/media/platform/exynos4-is/media-dev.h
index 44d86b6..3e9680c 100644
--- a/drivers/media/platform/exynos4-is/media-dev.h
+++ b/drivers/media/platform/exynos4-is/media-dev.h
@@ -127,14 +127,14 @@  static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me)
 		container_of(me->parent, struct fimc_md, media_dev);
 }
 
-static inline void fimc_md_graph_lock(struct fimc_dev *fimc)
+static inline void fimc_md_graph_lock(struct exynos_video_entity *ve)
 {
-	mutex_lock(&fimc->vid_cap.vfd.entity.parent->graph_mutex);
+	mutex_lock(&ve->vdev.entity.parent->graph_mutex);
 }
 
-static inline void fimc_md_graph_unlock(struct fimc_dev *fimc)
+static inline void fimc_md_graph_unlock(struct exynos_video_entity *ve)
 {
-	mutex_unlock(&fimc->vid_cap.vfd.entity.parent->graph_mutex);
+	mutex_unlock(&ve->vdev.entity.parent->graph_mutex);
 }
 
 int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);
diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h
index f509690..f5313b4 100644
--- a/include/media/s5p_fimc.h
+++ b/include/media/s5p_fimc.h
@@ -13,6 +13,7 @@ 
 #define S5P_FIMC_H_
 
 #include <media/media-entity.h>
+#include <media/v4l2-dev.h>
 #include <media/v4l2-mediabus.h>
 
 /*
@@ -157,6 +158,10 @@  struct fimc_pipeline {
 	struct media_pipeline *m_pipeline;
 };
 
+struct exynos_video_entity {
+	struct video_device vdev;
+};
+
 /*
  * Media pipeline operations to be called from within the fimc(-lite)
  * video node when it is the last entity of the pipeline. Implemented