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path: root/drivers/media/platform/vimc/vimc-capture.c
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Diffstat (limited to 'drivers/media/platform/vimc/vimc-capture.c')
-rw-r--r--drivers/media/platform/vimc/vimc-capture.c107
1 files changed, 23 insertions, 84 deletions
diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
index 1d56b91830ba..76c015898cfd 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -5,10 +5,6 @@
* Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com>
*/
-#include <linux/component.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/platform_device.h>
#include <media/v4l2-ioctl.h>
#include <media/videobuf2-core.h>
#include <media/videobuf2-vmalloc.h>
@@ -16,12 +12,9 @@
#include "vimc-common.h"
#include "vimc-streamer.h"
-#define VIMC_CAP_DRV_NAME "vimc-capture"
-
struct vimc_cap_device {
struct vimc_ent_device ved;
struct video_device vdev;
- struct device *dev;
struct v4l2_pix_format format;
struct vb2_queue queue;
struct list_head buf_list;
@@ -36,6 +29,7 @@ struct vimc_cap_device {
struct mutex lock;
u32 sequence;
struct vimc_stream stream;
+ struct media_pad pad;
};
static const struct v4l2_pix_format fmt_default = {
@@ -130,7 +124,7 @@ static int vimc_cap_s_fmt_vid_cap(struct file *file, void *priv,
if (ret)
return ret;
- dev_dbg(vcap->dev, "%s: format update: "
+ dev_dbg(vcap->ved.dev, "%s: format update: "
"old:%dx%d (0x%x, %d, %d, %d, %d) "
"new:%dx%d (0x%x, %d, %d, %d, %d)\n", vcap->vdev.name,
/* old */
@@ -306,7 +300,7 @@ static int vimc_cap_buffer_prepare(struct vb2_buffer *vb)
unsigned long size = vcap->format.sizeimage;
if (vb2_plane_size(vb, 0) < size) {
- dev_err(vcap->dev, "%s: buffer too small (%lu < %lu)\n",
+ dev_err(vcap->ved.dev, "%s: buffer too small (%lu < %lu)\n",
vcap->vdev.name, vb2_plane_size(vb, 0), size);
return -EINVAL;
}
@@ -328,7 +322,7 @@ static const struct vb2_ops vimc_cap_qops = {
};
static const struct media_entity_operations vimc_cap_mops = {
- .link_validate = vimc_link_validate,
+ .link_validate = vimc_vdev_link_validate,
};
static void vimc_cap_release(struct video_device *vdev)
@@ -336,19 +330,16 @@ static void vimc_cap_release(struct video_device *vdev)
struct vimc_cap_device *vcap =
container_of(vdev, struct vimc_cap_device, vdev);
- vimc_pads_cleanup(vcap->ved.pads);
+ media_entity_cleanup(vcap->ved.ent);
kfree(vcap);
}
-static void vimc_cap_comp_unbind(struct device *comp, struct device *master,
- void *master_data)
+void vimc_cap_rm(struct vimc_device *vimc, struct vimc_ent_device *ved)
{
- struct vimc_ent_device *ved = dev_get_drvdata(comp);
- struct vimc_cap_device *vcap = container_of(ved, struct vimc_cap_device,
- ved);
+ struct vimc_cap_device *vcap;
+ vcap = container_of(ved, struct vimc_cap_device, ved);
vb2_queue_release(&vcap->queue);
- media_entity_cleanup(ved->ent);
video_unregister_device(&vcap->vdev);
}
@@ -391,11 +382,10 @@ static void *vimc_cap_process_frame(struct vimc_ent_device *ved,
return NULL;
}
-static int vimc_cap_comp_bind(struct device *comp, struct device *master,
- void *master_data)
+struct vimc_ent_device *vimc_cap_add(struct vimc_device *vimc,
+ const char *vcfg_name)
{
- struct v4l2_device *v4l2_dev = master_data;
- struct vimc_platform_data *pdata = comp->platform_data;
+ struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
const struct vimc_pix_map *vpix;
struct vimc_cap_device *vcap;
struct video_device *vdev;
@@ -405,23 +395,16 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
/* Allocate the vimc_cap_device struct */
vcap = kzalloc(sizeof(*vcap), GFP_KERNEL);
if (!vcap)
- return -ENOMEM;
-
- /* Allocate the pads */
- vcap->ved.pads =
- vimc_pads_init(1, (const unsigned long[1]) {MEDIA_PAD_FL_SINK});
- if (IS_ERR(vcap->ved.pads)) {
- ret = PTR_ERR(vcap->ved.pads);
- goto err_free_vcap;
- }
+ return NULL;
/* Initialize the media entity */
- vcap->vdev.entity.name = pdata->entity_name;
+ vcap->vdev.entity.name = vcfg_name;
vcap->vdev.entity.function = MEDIA_ENT_F_IO_V4L;
+ vcap->pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&vcap->vdev.entity,
- 1, vcap->ved.pads);
+ 1, &vcap->pad);
if (ret)
- goto err_clean_pads;
+ goto err_free_vcap;
/* Initialize the lock */
mutex_init(&vcap->lock);
@@ -440,8 +423,8 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
ret = vb2_queue_init(q);
if (ret) {
- dev_err(comp, "%s: vb2 queue init failed (err=%d)\n",
- pdata->entity_name, ret);
+ dev_err(&vimc->pdev.dev, "%s: vb2 queue init failed (err=%d)\n",
+ vcfg_name, ret);
goto err_clean_m_ent;
}
@@ -460,8 +443,7 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
vcap->ved.ent = &vcap->vdev.entity;
vcap->ved.process_frame = vimc_cap_process_frame;
vcap->ved.vdev_get_format = vimc_cap_get_format;
- dev_set_drvdata(comp, &vcap->ved);
- vcap->dev = comp;
+ vcap->ved.dev = &vimc->pdev.dev;
/* Initialize the video_device struct */
vdev = &vcap->vdev;
@@ -474,68 +456,25 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
vdev->queue = q;
vdev->v4l2_dev = v4l2_dev;
vdev->vfl_dir = VFL_DIR_RX;
- strscpy(vdev->name, pdata->entity_name, sizeof(vdev->name));
+ strscpy(vdev->name, vcfg_name, sizeof(vdev->name));
video_set_drvdata(vdev, &vcap->ved);
/* Register the video_device with the v4l2 and the media framework */
ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
if (ret) {
- dev_err(comp, "%s: video register failed (err=%d)\n",
+ dev_err(&vimc->pdev.dev, "%s: video register failed (err=%d)\n",
vcap->vdev.name, ret);
goto err_release_queue;
}
- return 0;
+ return &vcap->ved;
err_release_queue:
vb2_queue_release(q);
err_clean_m_ent:
media_entity_cleanup(&vcap->vdev.entity);
-err_clean_pads:
- vimc_pads_cleanup(vcap->ved.pads);
err_free_vcap:
kfree(vcap);
- return ret;
-}
-
-static const struct component_ops vimc_cap_comp_ops = {
- .bind = vimc_cap_comp_bind,
- .unbind = vimc_cap_comp_unbind,
-};
-
-static int vimc_cap_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &vimc_cap_comp_ops);
-}
-
-static int vimc_cap_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &vimc_cap_comp_ops);
-
- return 0;
+ return NULL;
}
-
-static const struct platform_device_id vimc_cap_driver_ids[] = {
- {
- .name = VIMC_CAP_DRV_NAME,
- },
- { }
-};
-
-static struct platform_driver vimc_cap_pdrv = {
- .probe = vimc_cap_probe,
- .remove = vimc_cap_remove,
- .id_table = vimc_cap_driver_ids,
- .driver = {
- .name = VIMC_CAP_DRV_NAME,
- },
-};
-
-module_platform_driver(vimc_cap_pdrv);
-
-MODULE_DEVICE_TABLE(platform, vimc_cap_driver_ids);
-
-MODULE_DESCRIPTION("Virtual Media Controller Driver (VIMC) Capture");
-MODULE_AUTHOR("Helen Mae Koike Fornazier <helen.fornazier@gmail.com>");
-MODULE_LICENSE("GPL");