@@ -391,11 +387,9 @@ 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)
+int vimc_cap_add(struct vimc_device *vimc, struct vimc_ent_config *vcfg)
{
- 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;
@@ -416,7 +410,7 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
}
/* 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;
ret = media_entity_pads_init(&vcap->vdev.entity,
1, vcap->ved.pads);
@@ -440,8 +434,8 @@ 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 +454,7 @@ 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->dev = &vimc->pdev.dev;
/* Initialize the video_device struct */
vdev = &vcap->vdev;
@@ -474,17 +467,18 @@ 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;
}
+ vcfg->ved = &vcap->ved;
return 0;
err_release_queue:
@@ -498,44 +492,3 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
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;
-}
-
-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@xxxxxxxxx>");
-MODULE_LICENSE("GPL");
diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h
index 9c2e0e216c6b..5b2282de395c 100644
--- a/drivers/media/platform/vimc/vimc-common.h
+++ b/drivers/media/platform/vimc/vimc-common.h
@@ -9,6 +9,7 @@
#define _VIMC_COMMON_H_
#include <linux/slab.h>
+#include <linux/platform_device.h>
#include <media/media-device.h>
#include <media/v4l2-device.h>
@@ -84,6 +85,21 @@ struct vimc_pix_map {
bool bayer;
};
+/**
+ * struct vimc_device - main device for vimc driver
+ *
+ * @pdev pointer to the platform device
+ * @pipe_cfg pointer to the vimc pipeline configuration structure
+ * @mdev the associated media_device parent
+ * @v4l2_dev Internal v4l2 parent device
+ */
+struct vimc_device {
+ struct platform_device pdev;
+ const struct vimc_pipeline_config *pipe_cfg;
+ struct media_device mdev;
+ struct v4l2_device v4l2_dev;
+};
+
/**
* struct vimc_ent_device - core struct that represents a node in the topology
*
@@ -111,6 +127,38 @@ struct vimc_ent_device {
struct v4l2_pix_format *fmt);
};
+/**
+ * struct vimc_ent_config Structure which describes individual
+ * configuration for each entity
+ *
+ * @name entity name
+ * @ved pointer to vimc_ent_device (a node in the
+ * topology)
+ * @add subdev add hook - initializes and registers
+ * subdev called from vimc-core
+ * @rm subdev rm hook - unregisters and frees
+ * subdev called from vimc-core
+ */
+struct vimc_ent_config {
+ const char *name;
+ struct vimc_ent_device *ved;
+ int (*add)(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+ void (*rm)(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+};
+
+/* prototypes for vimc_ent_config add and rm hooks */
+int vimc_cap_add(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+void vimc_cap_rm(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+
+int vimc_deb_add(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+void vimc_deb_rm(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+
+int vimc_sca_add(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+void vimc_sca_rm(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+
+int vimc_sen_add(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+void vimc_sen_rm(struct vimc_device *vimc, struct vimc_ent_config *vcfg);
+
/**
* vimc_pads_init - initialize pads
*
diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c
index 571c55aa0e16..3749bfa88e40 100644
--- a/drivers/media/platform/vimc/vimc-core.c
+++ b/drivers/media/platform/vimc/vimc-core.c
@@ -5,7 +5,6 @@
* Copyright (C) 2015-2017 Helen Koike <helen.fornazier@xxxxxxxxx>
*/
-#include <linux/component.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -24,29 +23,6 @@
.flags = link_flags, \
}
-struct vimc_device {
- /* The platform device */
- struct platform_device pdev;
-
- /* The pipeline configuration */
- const struct vimc_pipeline_config *pipe_cfg;
-
- /* The Associated media_device parent */
- struct media_device mdev;
-
- /* Internal v4l2 parent device*/
- struct v4l2_device v4l2_dev;
-
- /* Subdevices */
- struct platform_device **subdevs;
-};
-
-/* Structure which describes individual configuration for each entity */
-struct vimc_ent_config {
- const char *name;
- const char *drv;
-};
-
/* Structure which describes links between entities */
struct vimc_ent_link {
unsigned int src_ent;
@@ -58,7 +34,7 @@ struct vimc_ent_link {
/* Structure which describes the whole topology */
struct vimc_pipeline_config {
- const struct vimc_ent_config *ents;
+ struct vimc_ent_config *ents;
size_t num_ents;
const struct vimc_ent_link *links;
size_t num_links;
@@ -68,43 +44,61 @@ struct vimc_pipeline_config {
* Topology Configuration
*/
-static const struct vimc_ent_config ent_config[] = {
+static struct vimc_ent_config ent_config[] = {
{
.name = "Sensor A",
- .drv = "vimc-sensor",
+ .ved = NULL,
+ .add = vimc_sen_add,
+ .rm = vimc_sen_rm,
},
{
.name = "Sensor B",
- .drv = "vimc-sensor",
+ .ved = NULL,
+ .add = vimc_sen_add,
+ .rm = vimc_sen_rm,
},
{
.name = "Debayer A",
- .drv = "vimc-debayer",
+ .ved = NULL,
+ .add = vimc_deb_add,
+ .rm = vimc_deb_rm,
},
{
.name = "Debayer B",
- .drv = "vimc-debayer",
+ .ved = NULL,
+ .add = vimc_deb_add,
+ .rm = vimc_deb_rm,
},
{
.name = "Raw Capture 0",
- .drv = "vimc-capture",
+ .ved = NULL,
+ .add = vimc_cap_add,
+ .rm = vimc_cap_rm,
},
{
.name = "Raw Capture 1",
- .drv = "vimc-capture",
+ .ved = NULL,
+ .add = vimc_cap_add,
+ .rm = vimc_cap_rm,
},
{
- .name = "RGB/YUV Input",
/* TODO: change this to vimc-input when it is implemented */
- .drv = "vimc-sensor",
+ .name = "RGB/YUV Input",
+ .ved = NULL,
+ .add = vimc_sen_add,
+ .rm = vimc_sen_rm,
},
{
.name = "Scaler",
- .drv = "vimc-scaler",
+ .ved = NULL,
+ .add = vimc_sca_add,
+ .rm = vimc_sca_rm,
},
{
.name = "RGB/YUV Capture",
- .drv = "vimc-capture",
+ .ved = NULL,
+ .add = vimc_cap_add,
+ .rm = vimc_cap_rm,
},
};
@@ -127,7 +121,7 @@ static const struct vimc_ent_link ent_links[] = {
VIMC_ENT_LINK(7, 1, 8, 0, MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE),
};
-static const struct vimc_pipeline_config pipe_cfg = {
+static struct vimc_pipeline_config pipe_cfg = {
.ents = ent_config,
.num_ents = ARRAY_SIZE(ent_config),
.links = ent_links,
@@ -144,14 +138,11 @@ static int vimc_create_links(struct vimc_device *vimc)
/* Initialize the links between entities */
for (i = 0; i < vimc->pipe_cfg->num_links; i++) {
const struct vimc_ent_link *link = &vimc->pipe_cfg->links[i];
- /*
- * TODO: Check another way of retrieving ved struct without
- * relying on platform_get_drvdata
- */
+
struct vimc_ent_device *ved_src =
- platform_get_drvdata(vimc->subdevs[link->src_ent]);
+ vimc->pipe_cfg->ents[link->src_ent].ved;
struct vimc_ent_device *ved_sink =
- platform_get_drvdata(vimc->subdevs[link->sink_ent]);
+ vimc->pipe_cfg->ents[link->sink_ent].ved;
ret = media_create_pad_link(ved_src->ent, link->src_pad,
ved_sink->ent, link->sink_pad,
@@ -163,13 +154,36 @@ static int vimc_create_links(struct vimc_device *vimc)
return 0;
}
-static int vimc_comp_bind(struct device *master)
+static int vimc_add_subdevs(struct vimc_device *vimc)
{
- struct vimc_device *vimc = container_of(to_platform_device(master),
- struct vimc_device, pdev);
+ unsigned int i;
int ret;
- dev_dbg(master, "bind");
+ for (i = 0; i < vimc->pipe_cfg->num_ents; i++) {
+ dev_dbg(&vimc->pdev.dev, "new entity for %s\n",
+ vimc->pipe_cfg->ents[i].name);
+ ret = vimc->pipe_cfg->ents[i].add(vimc,
+ &vimc->pipe_cfg->ents[i]);
+ if (ret) {
+ dev_err(&vimc->pdev.dev, "add new entity for %s\n",
+ vimc->pipe_cfg->ents[i].name);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static void vimc_rm_subdevs(struct vimc_device *vimc)
+{
+ unsigned int i;
+
+ for (i = 0; i < vimc->pipe_cfg->num_ents; i++)
+ vimc->pipe_cfg->ents[i].rm(vimc, &vimc->pipe_cfg->ents[i]);
+}
+
+static int vimc_register_devices(struct vimc_device *vimc)
+{
+ int ret;
/* Register the v4l2 struct */
ret = v4l2_device_register(vimc->mdev.dev, &vimc->v4l2_dev);
@@ -179,22 +193,22 @@ static int vimc_comp_bind(struct device *master)
return ret;
}
- /* Bind subdevices */
- ret = component_bind_all(master, &vimc->v4l2_dev);
+ /* Invoke entity config hooks to initialize and register subdevs */
+ ret = vimc_add_subdevs(vimc);
if (ret)
- goto err_v4l2_unregister;
+ goto err_add_subdevs;
/* Initialize links */
ret = vimc_create_links(vimc);
if (ret)
- goto err_comp_unbind_all;
+ goto err_v4l2_unregister;
/* Register the media device */
ret = media_device_register(&vimc->mdev);
if (ret) {
dev_err(vimc->mdev.dev,
"media device register failed (err=%d)\n", ret);
- goto err_comp_unbind_all;
+ goto err_v4l2_unregister;
}
/* Expose all subdev's nodes*/
@@ -211,98 +225,30 @@ static int vimc_comp_bind(struct device *master)
err_mdev_unregister:
media_device_unregister(&vimc->mdev);
media_device_cleanup(&vimc->mdev);
-err_comp_unbind_all:
- component_unbind_all(master, NULL);
err_v4l2_unregister:
v4l2_device_unregister(&vimc->v4l2_dev);
+err_add_subdevs:
+ vimc_rm_subdevs(vimc);
return ret;
}
-static void vimc_comp_unbind(struct device *master)
+static void vimc_unregister(struct vimc_device *vimc)
{
- struct vimc_device *vimc = container_of(to_platform_device(master),
- struct vimc_device, pdev);
-
- dev_dbg(master, "unbind");
-
media_device_unregister(&vimc->mdev);
media_device_cleanup(&vimc->mdev);
- component_unbind_all(master, NULL);
v4l2_device_unregister(&vimc->v4l2_dev);
}
-static int vimc_comp_compare(struct device *comp, void *data)
-{
- return comp == data;
-}
-
-static struct component_match *vimc_add_subdevs(struct vimc_device *vimc)
-{
- struct component_match *match = NULL;
- struct vimc_platform_data pdata;
- int i;
-
- for (i = 0; i < vimc->pipe_cfg->num_ents; i++) {
- dev_dbg(&vimc->pdev.dev, "new pdev for %s\n",
- vimc->pipe_cfg->ents[i].drv);
-
- strscpy(pdata.entity_name, vimc->pipe_cfg->ents[i].name,
- sizeof(pdata.entity_name));
-
- vimc->subdevs[i] = platform_device_register_data(&vimc->pdev.dev,
- vimc->pipe_cfg->ents[i].drv,
- PLATFORM_DEVID_AUTO,
- &pdata,
- sizeof(pdata));
- if (IS_ERR(vimc->subdevs[i])) {
- match = ERR_CAST(vimc->subdevs[i]);
- while (--i >= 0)
- platform_device_unregister(vimc->subdevs[i]);
-
- return match;
- }
-
- component_match_add(&vimc->pdev.dev, &match, vimc_comp_compare,
- &vimc->subdevs[i]->dev);
- }
-
- return match;
-}
-
-static void vimc_rm_subdevs(struct vimc_device *vimc)
-{
- unsigned int i;
-
- for (i = 0; i < vimc->pipe_cfg->num_ents; i++)
- platform_device_unregister(vimc->subdevs[i]);
-}
-
-static const struct component_master_ops vimc_comp_ops = {
- .bind = vimc_comp_bind,
- .unbind = vimc_comp_unbind,
-};
-
static int vimc_probe(struct platform_device *pdev)
{
struct vimc_device *vimc = container_of(pdev, struct vimc_device, pdev);
- struct component_match *match = NULL;
int ret;
dev_dbg(&pdev->dev, "probe");
memset(&vimc->mdev, 0, sizeof(vimc->mdev));
- /* Create platform_device for each entity in the topology*/
- vimc->subdevs = devm_kcalloc(&vimc->pdev.dev, vimc->pipe_cfg->num_ents,
- sizeof(*vimc->subdevs), GFP_KERNEL);
- if (!vimc->subdevs)
- return -ENOMEM;
-
- match = vimc_add_subdevs(vimc);
- if (IS_ERR(match))
- return PTR_ERR(match);
-
/* Link the media device within the v4l2_device */
vimc->v4l2_dev.mdev = &vimc->mdev;
@@ -314,12 +260,9 @@ static int vimc_probe(struct platform_device *pdev)
vimc->mdev.dev = &pdev->dev;
media_device_init(&vimc->mdev);
- /* Add self to the component system */
- ret = component_master_add_with_match(&pdev->dev, &vimc_comp_ops,
- match);
+ ret = vimc_register_devices(vimc);
if (ret) {
media_device_cleanup(&vimc->mdev);
- vimc_rm_subdevs(vimc);
return ret;
}
@@ -332,8 +275,8 @@ static int vimc_remove(struct platform_device *pdev)
dev_dbg(&pdev->dev, "remove");
- component_master_del(&pdev->dev, &vimc_comp_ops);
vimc_rm_subdevs(vimc);
+ vimc_unregister(vimc);
return 0;
}
diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c
index b72b8385067b..73dc17f0d990 100644
--- a/drivers/media/platform/vimc/vimc-debayer.c
+++ b/drivers/media/platform/vimc/vimc-debayer.c
@@ -15,8 +15,6 @@
