# SPDX-License-Identifier: GPL-2.0
-imx-media-objs := imx-media-dev.o imx-media-internal-sd.o imx-media-of.o
+imx-media-objs := imx-media-dev.o imx-media-internal-sd.o imx-media-of.o \
+ imx-ic-common.o imx-ic-prp.o imx-ic-prpencvf.o imx-media-vdic.o
imx-media-objs += imx-media-dev-common.o
imx-media-common-objs := imx-media-utils.o imx-media-fim.o
-imx-media-ic-objs := imx-ic-common.o imx-ic-prp.o imx-ic-prpencvf.o
obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx-media.o
obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx-media-common.o
obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx-media-capture.o
-obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx-media-vdic.o
-obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx-media-ic.o
obj-$(CONFIG_VIDEO_IMX_CSI) += imx-media-csi.o
obj-$(CONFIG_VIDEO_IMX_CSI) += imx6-mipi-csi2.o
*
* Copyright (c) 2014-2016 Mentor Graphics Inc.
*/
-#include <linux/module.h>
-#include <linux/platform_device.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include "imx-media.h"
[IC_TASK_VIEWFINDER] = &imx_ic_prpencvf_ops,
};
-static int imx_ic_probe(struct platform_device *pdev)
+struct v4l2_subdev *imx_media_ic_register(struct imx_media_dev *imxmd,
+ struct device *ipu_dev,
+ struct ipu_soc *ipu,
+ u32 grp_id)
{
- struct imx_media_ipu_internal_sd_pdata *pdata;
+ struct v4l2_device *v4l2_dev = &imxmd->v4l2_dev;
struct imx_ic_priv *priv;
int ret;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(ipu_dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
- platform_set_drvdata(pdev, &priv->sd);
- priv->dev = &pdev->dev;
+ priv->ipu_dev = ipu_dev;
+ priv->ipu = ipu;
+ priv->md = imxmd;
- /* get our ipu_id, grp_id and IC task id */
- pdata = priv->dev->platform_data;
- priv->ipu_id = pdata->ipu_id;
- switch (pdata->grp_id) {
+ /* get our IC task id */
+ switch (grp_id) {
case IMX_MEDIA_GRP_ID_IPU_IC_PRP:
priv->task_id = IC_TASK_PRP;
break;
priv->task_id = IC_TASK_VIEWFINDER;
break;
default:
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
v4l2_subdev_init(&priv->sd, ic_ops[priv->task_id]->subdev_ops);
priv->sd.internal_ops = ic_ops[priv->task_id]->internal_ops;
priv->sd.entity.ops = ic_ops[priv->task_id]->entity_ops;
priv->sd.entity.function = MEDIA_ENT_F_PROC_VIDEO_SCALER;
- priv->sd.dev = &pdev->dev;
- priv->sd.owner = THIS_MODULE;
+ priv->sd.owner = ipu_dev->driver->owner;
priv->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
- priv->sd.grp_id = pdata->grp_id;
- strscpy(priv->sd.name, pdata->sd_name, sizeof(priv->sd.name));
+ priv->sd.grp_id = grp_id;
+ imx_media_grp_id_to_sd_name(priv->sd.name, sizeof(priv->sd.name),
+ priv->sd.grp_id, ipu_get_num(ipu));
ret = ic_ops[priv->task_id]->init(priv);
if (ret)
- return ret;
+ return ERR_PTR(ret);
- ret = v4l2_async_register_subdev(&priv->sd);
- if (ret)
+ ret = v4l2_device_register_subdev(v4l2_dev, &priv->sd);
+ if (ret) {
ic_ops[priv->task_id]->remove(priv);
+ return ERR_PTR(ret);
+ }
- return ret;
+ return &priv->sd;
}
-static int imx_ic_remove(struct platform_device *pdev)
+int imx_media_ic_unregister(struct v4l2_subdev *sd)
{
- struct v4l2_subdev *sd = platform_get_drvdata(pdev);
struct imx_ic_priv *priv = container_of(sd, struct imx_ic_priv, sd);
v4l2_info(sd, "Removing\n");
ic_ops[priv->task_id]->remove(priv);
- v4l2_async_unregister_subdev(sd);
+ v4l2_device_unregister_subdev(sd);
media_entity_cleanup(&sd->entity);
return 0;
}
-
-static const struct platform_device_id imx_ic_ids[] = {
- { .name = "imx-ipuv3-ic" },
- { },
-};
-MODULE_DEVICE_TABLE(platform, imx_ic_ids);
-
-static struct platform_driver imx_ic_driver = {
- .probe = imx_ic_probe,
- .remove = imx_ic_remove,
- .id_table = imx_ic_ids,
- .driver = {
- .name = "imx-ipuv3-ic",
- },
-};
-module_platform_driver(imx_ic_driver);
-
-MODULE_DESCRIPTION("i.MX IC subdev driver");
-MODULE_AUTHOR("Steve Longerbeam <steve_longerbeam@mentor.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:imx-ipuv3-ic");
#define S_ALIGN 1 /* multiple of 2 */
struct prp_priv {
- struct imx_media_dev *md;
struct imx_ic_priv *ic_priv;
struct media_pad pad[PRP_NUM_PADS];
/* lock to protect all members below */
struct mutex lock;
- /* IPU units we require */
- struct ipu_soc *ipu;
-
struct v4l2_subdev *src_sd;
struct v4l2_subdev *sink_sd_prpenc;
struct v4l2_subdev *sink_sd_prpvf;
{
struct imx_ic_priv *ic_priv = v4l2_get_subdevdata(sd);
- return ic_priv->prp_priv;
+ return ic_priv->task_priv;
}
static int prp_start(struct prp_priv *priv)
struct imx_ic_priv *ic_priv = priv->ic_priv;
bool src_is_vdic;
- priv->ipu = priv->md->ipu[ic_priv->ipu_id];
-
/* set IC to receive from CSI or VDI depending on source */
src_is_vdic = !!(priv->src_sd->grp_id & IMX_MEDIA_GRP_ID_IPU_VDIC);
- ipu_set_ic_src_mux(priv->ipu, priv->csi_id, src_is_vdic);
+ ipu_set_ic_src_mux(ic_priv->ipu, priv->csi_id, src_is_vdic);
return 0;
}
{
struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
struct imx_ic_priv *ic_priv = v4l2_get_subdevdata(sd);
- struct prp_priv *priv = ic_priv->prp_priv;
+ struct prp_priv *priv = ic_priv->task_priv;
struct v4l2_subdev *remote_sd;
int ret = 0;
- dev_dbg(ic_priv->dev, "link setup %s -> %s", remote->entity->name,
- local->entity->name);
+ dev_dbg(ic_priv->ipu_dev, "%s: link setup %s -> %s",
+ ic_priv->sd.name, remote->entity->name, local->entity->name);
remote_sd = media_entity_to_v4l2_subdev(remote->entity);
struct v4l2_subdev_format *sink_fmt)
{
struct imx_ic_priv *ic_priv = v4l2_get_subdevdata(sd);
- struct prp_priv *priv = ic_priv->prp_priv;
+ struct prp_priv *priv = ic_priv->task_priv;
struct v4l2_subdev *csi;
int ret;
if (ret)
return ret;
- csi = imx_media_find_upstream_subdev(priv->md, &ic_priv->sd.entity,
+ csi = imx_media_find_upstream_subdev(ic_priv->md, &ic_priv->sd.entity,
IMX_MEDIA_GRP_ID_IPU_CSI);
if (IS_ERR(csi))
csi = NULL;
static int prp_s_stream(struct v4l2_subdev *sd, int enable)
{
struct imx_ic_priv *ic_priv = v4l2_get_subdevdata(sd);
- struct prp_priv *priv = ic_priv->prp_priv;
+ struct prp_priv *priv = ic_priv->task_priv;
int ret = 0;
mutex_lock(&priv->lock);
if (priv->stream_count != !enable)
goto update_count;
- dev_dbg(ic_priv->dev, "stream %s\n", enable ? "ON" : "OFF");
+ dev_dbg(ic_priv->ipu_dev, "%s: stream %s\n", sd->name,
+ enable ? "ON" : "OFF");
if (enable)
ret = prp_start(priv);
int i, ret;
u32 code;
- /* get media device */
- priv->md = dev_get_drvdata(sd->v4l2_dev->dev);
-
for (i = 0; i < PRP_NUM_PADS; i++) {
priv->pad[i].flags = (i == PRP_SINK_PAD) ?
MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE;
{
struct prp_priv *priv;
- priv = devm_kzalloc(ic_priv->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(ic_priv->ipu_dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
mutex_init(&priv->lock);
- ic_priv->prp_priv = priv;
+ ic_priv->task_priv = priv;
priv->ic_priv = ic_priv;
return 0;
static void prp_remove(struct imx_ic_priv *ic_priv)
{
- struct prp_priv *priv = ic_priv->prp_priv;
+ struct prp_priv *priv = ic_priv->task_priv;
mutex_destroy(&priv->lock);
}
#define S_ALIGN 1 /* multiple of 2 */
struct prp_priv {
- struct imx_media_dev *md;
struct imx_ic_priv *ic_priv;
struct media_pad pad[PRPENCVF_NUM_PADS];
/* the video device at output pad */
struct mutex lock;
/* IPU units we require */
- struct ipu_soc *ipu;
struct ipu_ic *ic;
struct ipuv3_channel *out_ch;
struct ipuv3_channel *rot_in_ch;
struct ipuv3_channel *out_ch, *rot_in_ch, *rot_out_ch;
int ret, task = ic_priv->task_id;
- priv->ipu = priv->md->ipu[ic_priv->ipu_id];
-
- ic = ipu_ic_get(priv->ipu, task);
+ ic = ipu_ic_get(ic_priv->ipu, task);
if (IS_ERR(ic)) {
v4l2_err(&ic_priv->sd, "failed to get IC\n");
ret = PTR_ERR(ic);
}
priv->ic = ic;
- out_ch = ipu_idmac_get(priv->ipu, prp_channel[task].out_ch);
+ out_ch = ipu_idmac_get(ic_priv->ipu, prp_channel[task].out_ch);
if (IS_ERR(out_ch)) {
v4l2_err(&ic_priv->sd, "could not get IDMAC channel %u\n",
prp_channel[task].out_ch);
}
priv->out_ch = out_ch;
- rot_in_ch = ipu_idmac_get(priv->ipu, prp_channel[task].rot_in_ch);
+ rot_in_ch = ipu_idmac_get(ic_priv->ipu, prp_channel[task].rot_in_ch);
if (IS_ERR(rot_in_ch)) {
v4l2_err(&ic_priv->sd, "could not get IDMAC channel %u\n",
prp_channel[task].rot_in_ch);
}
priv->rot_in_ch = rot_in_ch;
- rot_out_ch = ipu_idmac_get(priv->ipu, prp_channel[task].rot_out_ch);
+ rot_out_ch = ipu_idmac_get(ic_priv->ipu, prp_channel[task].rot_out_ch);
if (IS_ERR(rot_out_ch)) {
v4l2_err(&ic_priv->sd, "could not get IDMAC channel %u\n",
prp_channel[task].rot_out_ch);
incc = priv->cc[PRPENCVF_SINK_PAD];
outcc = vdev->cc;
- ret = imx_media_alloc_dma_buf(priv->md, &priv->rot_buf[0],
+ ret = imx_media_alloc_dma_buf(ic_priv->md, &priv->rot_buf[0],
outfmt->sizeimage);
if (ret) {
v4l2_err(&ic_priv->sd, "failed to alloc rot_buf[0], %d\n", ret);
return ret;
}
- ret = imx_media_alloc_dma_buf(priv->md, &priv->rot_buf[1],
+ ret = imx_media_alloc_dma_buf(ic_priv->md, &priv->rot_buf[1],
outfmt->sizeimage);
if (ret) {
v4l2_err(&ic_priv->sd, "failed to alloc rot_buf[1], %d\n", ret);
unsetup_vb2:
prp_unsetup_vb2_buf(priv, VB2_BUF_STATE_QUEUED);
free_rot1:
- imx_media_free_dma_buf(priv->md, &priv->rot_buf[1]);
+ imx_media_free_dma_buf(ic_priv->md, &priv->rot_buf[1]);
free_rot0:
- imx_media_free_dma_buf(priv->md, &priv->rot_buf[0]);
+ imx_media_free_dma_buf(ic_priv->md, &priv->rot_buf[0]);
return ret;
}
static void prp_unsetup_rotation(struct prp_priv *priv)
{
+ struct imx_ic_priv *ic_priv = priv->ic_priv;
+
ipu_ic_task_disable(priv->ic);
ipu_idmac_disable_channel(priv->out_ch);
ipu_ic_disable(priv->ic);
- imx_media_free_dma_buf(priv->md, &priv->rot_buf[0]);
- imx_media_free_dma_buf(priv->md, &priv->rot_buf[1]);
+ imx_media_free_dma_buf(ic_priv->md, &priv->rot_buf[0]);
+ imx_media_free_dma_buf(ic_priv->md, &priv->rot_buf[1]);
}
static int prp_setup_norotation(struct prp_priv *priv)
ipu_cpmem_dump(priv->out_ch);
ipu_ic_dump(priv->ic);
- ipu_dump(priv->ipu);
+ ipu_dump(ic_priv->ipu);
ipu_ic_enable(priv->ic);
outfmt = &vdev->fmt.fmt.pix;
- ret = imx_media_alloc_dma_buf(priv->md, &priv->underrun_buf,
+ ret = imx_media_alloc_dma_buf(ic_priv->md, &priv->underrun_buf,
outfmt->sizeimage);
if (ret)
goto out_put_ipu;
if (ret)
goto out_free_underrun;
- priv->nfb4eof_irq = ipu_idmac_channel_irq(priv->ipu,
+ priv->nfb4eof_irq = ipu_idmac_channel_irq(ic_priv->ipu,
priv->out_ch,
IPU_IRQ_NFB4EOF);
- ret = devm_request_irq(ic_priv->dev, priv->nfb4eof_irq,
+ ret = devm_request_irq(ic_priv->ipu_dev, priv->nfb4eof_irq,
prp_nfb4eof_interrupt, 0,
"imx-ic-prp-nfb4eof", priv);
if (ret) {
if (ipu_rot_mode_is_irt(priv->rot_mode))
priv->eof_irq = ipu_idmac_channel_irq(
- priv->ipu, priv->rot_out_ch, IPU_IRQ_EOF);
+ ic_priv->ipu, priv->rot_out_ch, IPU_IRQ_EOF);
else
priv->eof_irq = ipu_idmac_channel_irq(
- priv->ipu, priv->out_ch, IPU_IRQ_EOF);
+ ic_priv->ipu, priv->out_ch, IPU_IRQ_EOF);
- ret = devm_request_irq(ic_priv->dev, priv->eof_irq,
+ ret = devm_request_irq(ic_priv->ipu_dev, priv->eof_irq,
prp_eof_interrupt, 0,
"imx-ic-prp-eof", priv);
if (ret) {
return 0;
out_free_eof_irq:
- devm_free_irq(ic_priv->dev, priv->eof_irq, priv);
+ devm_free_irq(ic_priv->ipu_dev, priv->eof_irq, priv);
out_free_nfb4eof_irq:
- devm_free_irq(ic_priv->dev, priv->nfb4eof_irq, priv);
+ devm_free_irq(ic_priv->ipu_dev, priv->nfb4eof_irq, priv);
out_unsetup:
prp_unsetup(priv, VB2_BUF_STATE_QUEUED);
out_free_underrun:
- imx_media_free_dma_buf(priv->md, &priv->underrun_buf);
+ imx_media_free_dma_buf(ic_priv->md, &priv->underrun_buf);
out_put_ipu:
prp_put_ipu_resources(priv);
return ret;
v4l2_warn(&ic_priv->sd,
"upstream stream off failed: %d\n", ret);
- devm_free_irq(ic_priv->dev, priv->eof_irq, priv);
- devm_free_irq(ic_priv->dev, priv->nfb4eof_irq, priv);
+ devm_free_irq(ic_priv->ipu_dev, priv->eof_irq, priv);
+ devm_free_irq(ic_priv->ipu_dev, priv->nfb4eof_irq, priv);
prp_unsetup(priv, VB2_BUF_STATE_ERROR);
- imx_media_free_dma_buf(priv->md, &priv->underrun_buf);
+ imx_media_free_dma_buf(ic_priv->md, &priv->underrun_buf);
/* cancel the EOF timeout timer */
del_timer_sync(&priv->eof_timeout_timer);
struct v4l2_subdev *remote_sd;
int ret = 0;
- dev_dbg(ic_priv->dev, "link setup %s -> %s", remote->entity->name,
- local->entity->name);
+ dev_dbg(ic_priv->ipu_dev, "%s: link setup %s -> %s",
+ ic_priv->sd.name, remote->entity->name, local->entity->name);
mutex_lock(&priv->lock);
if (priv->stream_count != !enable)
goto update_count;
- dev_dbg(ic_priv->dev, "stream %s\n", enable ? "ON" : "OFF");
+ dev_dbg(ic_priv->ipu_dev, "%s: stream %s\n", sd->name,
+ enable ? "ON" : "OFF");
if (enable)
ret = prp_start(priv);
static int prp_registered(struct v4l2_subdev *sd)
{
struct prp_priv *priv = sd_to_priv(sd);
+ struct imx_ic_priv *ic_priv = priv->ic_priv;
int i, ret;
u32 code;
- /* get media device */
- priv->md = dev_get_drvdata(sd->v4l2_dev->dev);
-
for (i = 0; i < PRPENCVF_NUM_PADS; i++) {
priv->pad[i].flags = (i == PRPENCVF_SINK_PAD) ?
MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE;
if (ret)
return ret;
- ret = imx_media_add_video_device(priv->md, priv->vdev);
+ ret = imx_media_add_video_device(ic_priv->md, priv->vdev);
if (ret)
goto unreg;
{
struct prp_priv *priv;
- priv = devm_kzalloc(ic_priv->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(ic_priv->ipu_dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
spin_lock_init(&priv->irqlock);
timer_setup(&priv->eof_timeout_timer, prp_eof_timeout, 0);
- priv->vdev = imx_media_capture_device_init(&ic_priv->sd,
+ priv->vdev = imx_media_capture_device_init(ic_priv->ipu_dev,
+ &ic_priv->sd,
PRPENCVF_SRC_PAD);
if (IS_ERR(priv->vdev))
return PTR_ERR(priv->vdev);
#include <media/v4l2-subdev.h>
struct imx_ic_priv {
- struct device *dev;
+ struct device *ipu_dev;
+ struct ipu_soc *ipu;
+ struct imx_media_dev *md;
struct v4l2_subdev sd;
- int ipu_id;
int task_id;
- void *prp_priv;
void *task_priv;
};
extern struct imx_ic_ops imx_ic_prp_ops;
extern struct imx_ic_ops imx_ic_prpencvf_ops;
-extern struct imx_ic_ops imx_ic_pp_ops;
#endif
EXPORT_SYMBOL_GPL(imx_media_capture_device_unregister);
struct imx_media_video_dev *
-imx_media_capture_device_init(struct v4l2_subdev *src_sd, int pad)
+imx_media_capture_device_init(struct device *dev, struct v4l2_subdev *src_sd,
+ int pad)
{
struct capture_priv *priv;
struct video_device *vfd;
- priv = devm_kzalloc(src_sd->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return ERR_PTR(-ENOMEM);
priv->src_sd = src_sd;
priv->src_sd_pad = pad;
- priv->dev = src_sd->dev;
+ priv->dev = dev;
mutex_init(&priv->mutex);
spin_lock_init(&priv->q_lock);
imx_media_grp_id_to_sd_name(priv->sd.name, sizeof(priv->sd.name),
priv->sd.grp_id, ipu_get_num(priv->ipu));
- priv->vdev = imx_media_capture_device_init(&priv->sd,
+ priv->vdev = imx_media_capture_device_init(priv->sd.dev, &priv->sd,
CSI_SRC_PAD_IDMAC);
if (IS_ERR(priv->vdev))
return PTR_ERR(priv->vdev);
return container_of(n, struct imx_media_dev, notifier);
}
-/*
- * Adds a subdev to the root notifier's async subdev list. If fwnode is
- * non-NULL, adds the async as a V4L2_ASYNC_MATCH_FWNODE match type,
- * otherwise as a V4L2_ASYNC_MATCH_DEVNAME match type using the dev_name
- * of the given platform_device. This is called during driver load when
- * forming the async subdev list.
- */
-int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
- struct fwnode_handle *fwnode,
- struct platform_device *pdev)
-{
- struct device_node *np = to_of_node(fwnode);
- struct imx_media_async_subdev *imxasd;
- struct v4l2_async_subdev *asd;
- const char *devname = NULL;
- int ret;
-
- if (fwnode) {
- asd = v4l2_async_notifier_add_fwnode_subdev(&imxmd->notifier,
- fwnode,
- sizeof(*imxasd));
- } else {
- devname = dev_name(&pdev->dev);
- asd = v4l2_async_notifier_add_devname_subdev(&imxmd->notifier,
- devname,
- sizeof(*imxasd));
- }
-
- if (IS_ERR(asd)) {
- ret = PTR_ERR(asd);
- if (ret == -EEXIST) {
- if (np)
- dev_dbg(imxmd->md.dev, "%s: already added %pOFn\n",
- __func__, np);
- else
- dev_dbg(imxmd->md.dev, "%s: already added %s\n",
- __func__, devname);
- }
- return ret;
- }
-
- imxasd = to_imx_media_asd(asd);
-
- if (devname)
- imxasd->pdev = pdev;
-
- if (np)
- dev_dbg(imxmd->md.dev, "%s: added %pOFn, match type FWNODE\n",
- __func__, np);
- else
- dev_dbg(imxmd->md.dev, "%s: added %s, match type DEVNAME\n",
- __func__, devname);
-
- return 0;
-}
-
-/*
- * get IPU from this CSI and add it to the list of IPUs
- * the media driver will control.
- */
-static int imx_media_get_ipu(struct imx_media_dev *imxmd,
- struct v4l2_subdev *csi_sd)
-{
- struct ipu_soc *ipu;
- int ipu_id;
-
- ipu = dev_get_drvdata(csi_sd->dev->parent);
- if (!ipu) {
- v4l2_err(&imxmd->v4l2_dev,
- "CSI %s has no parent IPU!\n", csi_sd->name);
- return -ENODEV;
- }
-
- ipu_id = ipu_get_num(ipu);
- if (ipu_id > 1) {
- v4l2_err(&imxmd->v4l2_dev, "invalid IPU id %d!\n", ipu_id);
- return -ENODEV;
- }
-
- if (!imxmd->ipu[ipu_id])
- imxmd->ipu[ipu_id] = ipu;
-
- return 0;
-}
-
/* async subdev bound notifier */
int imx_media_subdev_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *sd,
struct v4l2_async_subdev *asd)
{
struct imx_media_dev *imxmd = notifier2dev(notifier);
- int ret = 0;
-
- mutex_lock(&imxmd->mutex);
+ int ret;
if (sd->grp_id & IMX_MEDIA_GRP_ID_IPU_CSI) {
- ret = imx_media_get_ipu(imxmd, sd);
+ /* register the IPU internal subdevs */
+ ret = imx_media_register_ipu_internal_subdevs(imxmd, sd);
if (ret)
- goto out;
+ return ret;
}
v4l2_info(&imxmd->v4l2_dev, "subdev %s bound\n", sd->name);
-out:
- mutex_unlock(&imxmd->mutex);
- return ret;
+
+ return 0;
}
/*
{
struct imx_media_dev *imxmd = notifier2dev(notifier);
struct v4l2_subdev *sd;
- int ret;
list_for_each_entry(sd, &imxmd->v4l2_dev.subdevs, list) {
switch (sd->grp_id) {
case IMX_MEDIA_GRP_ID_IPU_IC_PRP:
case IMX_MEDIA_GRP_ID_IPU_IC_PRPENC:
case IMX_MEDIA_GRP_ID_IPU_IC_PRPVF:
- case IMX_MEDIA_GRP_ID_IPU_CSI0:
- case IMX_MEDIA_GRP_ID_IPU_CSI1:
- ret = imx_media_create_ipu_internal_links(imxmd, sd);
- if (ret)
- return ret;
/*
- * the CSIs straddle between the external and the IPU
- * internal entities, so create the external links
- * to the CSI sink pads.
+ * links have already been created for the
+ * sync-registered subdevs.
*/
- if (sd->grp_id & IMX_MEDIA_GRP_ID_IPU_CSI)
- imx_media_create_csi_of_links(imxmd, sd);
break;
+ case IMX_MEDIA_GRP_ID_IPU_CSI0:
+ case IMX_MEDIA_GRP_ID_IPU_CSI1:
case IMX_MEDIA_GRP_ID_CSI:
imx_media_create_csi_of_links(imxmd, sd);
-
break;
default:
/*
ret = imx_media_dev_notifier_register(imxmd);
if (ret)
- goto del_int;
+ goto cleanup;
return 0;
-del_int:
- imx_media_remove_ipu_internal_subdevs(imxmd);
cleanup:
v4l2_async_notifier_cleanup(&imxmd->notifier);
v4l2_device_unregister(&imxmd->v4l2_dev);
v4l2_info(&imxmd->v4l2_dev, "Removing imx-media\n");
v4l2_async_notifier_unregister(&imxmd->notifier);
- imx_media_remove_ipu_internal_subdevs(imxmd);
+ imx_media_unregister_ipu_internal_subdevs(imxmd);
v4l2_async_notifier_cleanup(&imxmd->notifier);
media_device_unregister(&imxmd->md);
v4l2_device_unregister(&imxmd->v4l2_dev);
#include <linux/platform_device.h>
#include "imx-media.h"
-enum isd_enum {
- isd_csi0 = 0,
- isd_csi1,
- isd_vdic,
- isd_ic_prp,
- isd_ic_prpenc,
- isd_ic_prpvf,
- num_isd,
-};
-
-static const struct internal_subdev_id {
- enum isd_enum index;
- const char *name;
- u32 grp_id;
-} isd_id[num_isd] = {
- [isd_csi0] = {
- .index = isd_csi0,
- .grp_id = IMX_MEDIA_GRP_ID_IPU_CSI0,
- .name = "imx-ipuv3-csi",
- },
- [isd_csi1] = {
- .index = isd_csi1,
- .grp_id = IMX_MEDIA_GRP_ID_IPU_CSI1,
- .name = "imx-ipuv3-csi",
- },
- [isd_vdic] = {
- .index = isd_vdic,
- .grp_id = IMX_MEDIA_GRP_ID_IPU_VDIC,
- .name = "imx-ipuv3-vdic",
- },
- [isd_ic_prp] = {
- .index = isd_ic_prp,
- .grp_id = IMX_MEDIA_GRP_ID_IPU_IC_PRP,
- .name = "imx-ipuv3-ic",
- },
- [isd_ic_prpenc] = {
- .index = isd_ic_prpenc,
- .grp_id = IMX_MEDIA_GRP_ID_IPU_IC_PRPENC,
- .name = "imx-ipuv3-ic",
- },
- [isd_ic_prpvf] = {
- .index = isd_ic_prpvf,
- .grp_id = IMX_MEDIA_GRP_ID_IPU_IC_PRPVF,
- .name = "imx-ipuv3-ic",
- },
-};
+/* max pads per internal-sd */
+#define MAX_INTERNAL_PADS 8
+/* max links per internal-sd pad */
+#define MAX_INTERNAL_LINKS 8
struct internal_subdev;
struct internal_link {
- const struct internal_subdev *remote;
+ int remote;
int local_pad;
int remote_pad;
};
-/* max pads per internal-sd */
-#define MAX_INTERNAL_PADS 8
-/* max links per internal-sd pad */
-#define MAX_INTERNAL_LINKS 8
-
struct internal_pad {
+ int num_links;
struct internal_link link[MAX_INTERNAL_LINKS];
};
-static const struct internal_subdev {
- const struct internal_subdev_id *id;
+struct internal_subdev {
+ u32 grp_id;
struct internal_pad pad[MAX_INTERNAL_PADS];
-} int_subdev[num_isd] = {
- [isd_csi0] = {
- .id = &isd_id[isd_csi0],
+
+ struct v4l2_subdev * (*sync_register)(struct imx_media_dev *imxmd,
+ struct device *ipu_dev,
+ struct ipu_soc *ipu,
+ u32 grp_id);
+ int (*sync_unregister)(struct v4l2_subdev *sd);
+};
+
+static const struct internal_subdev int_subdev[NUM_IPU_SUBDEVS] = {
+ [IPU_CSI0] = {
+ .grp_id = IMX_MEDIA_GRP_ID_IPU_CSI0,
.pad[CSI_SRC_PAD_DIRECT] = {
+ .num_links = 2,
.link = {
{
.local_pad = CSI_SRC_PAD_DIRECT,
- .remote = &int_subdev[isd_ic_prp],
+ .remote = IPU_IC_PRP,
.remote_pad = PRP_SINK_PAD,
}, {
.local_pad = CSI_SRC_PAD_DIRECT,
- .remote = &int_subdev[isd_vdic],
+ .remote = IPU_VDIC,
.remote_pad = VDIC_SINK_PAD_DIRECT,
},
},
},
},
- [isd_csi1] = {
- .id = &isd_id[isd_csi1],
+ [IPU_CSI1] = {
+ .grp_id = IMX_MEDIA_GRP_ID_IPU_CSI1,
.pad[CSI_SRC_PAD_DIRECT] = {
+ .num_links = 2,
.link = {
{
.local_pad = CSI_SRC_PAD_DIRECT,
- .remote = &int_subdev[isd_ic_prp],
+ .remote = IPU_IC_PRP,
.remote_pad = PRP_SINK_PAD,
}, {
.local_pad = CSI_SRC_PAD_DIRECT,
- .remote = &int_subdev[isd_vdic],
+ .remote = IPU_VDIC,
.remote_pad = VDIC_SINK_PAD_DIRECT,
},
},
},
},
- [isd_vdic] = {
- .id = &isd_id[isd_vdic],
+ [IPU_VDIC] = {
+ .grp_id = IMX_MEDIA_GRP_ID_IPU_VDIC,
+ .sync_register = imx_media_vdic_register,
+ .sync_unregister = imx_media_vdic_unregister,
.pad[VDIC_SRC_PAD_DIRECT] = {
+ .num_links = 1,
.link = {
{
.local_pad = VDIC_SRC_PAD_DIRECT,
- .remote = &int_subdev[isd_ic_prp],
+ .remote = IPU_IC_PRP,
.remote_pad = PRP_SINK_PAD,
},
},
},
},
- [isd_ic_prp] = {
- .id = &isd_id[isd_ic_prp],
+ [IPU_IC_PRP] = {
+ .grp_id = IMX_MEDIA_GRP_ID_IPU_IC_PRP,
+ .sync_register = imx_media_ic_register,
+ .sync_unregister = imx_media_ic_unregister,
.pad[PRP_SRC_PAD_PRPENC] = {
+ .num_links = 1,
.link = {
{
.local_pad = PRP_SRC_PAD_PRPENC,
- .remote = &int_subdev[isd_ic_prpenc],
- .remote_pad = 0,
+ .remote = IPU_IC_PRPENC,
+ .remote_pad = PRPENCVF_SINK_PAD,
},
},
},
.pad[PRP_SRC_PAD_PRPVF] = {
+ .num_links = 1,
.link = {
{
.local_pad = PRP_SRC_PAD_PRPVF,
- .remote = &int_subdev[isd_ic_prpvf],
- .remote_pad = 0,
+ .remote = IPU_IC_PRPVF,
+ .remote_pad = PRPENCVF_SINK_PAD,
},
},
},
},
- [isd_ic_prpenc] = {
- .id = &isd_id[isd_ic_prpenc],
+ [IPU_IC_PRPENC] = {
+ .grp_id = IMX_MEDIA_GRP_ID_IPU_IC_PRPENC,
+ .sync_register = imx_media_ic_register,
+ .sync_unregister = imx_media_ic_unregister,
},
- [isd_ic_prpvf] = {
- .id = &isd_id[isd_ic_prpvf],
+ [IPU_IC_PRPVF] = {
+ .grp_id = IMX_MEDIA_GRP_ID_IPU_IC_PRPVF,
+ .sync_register = imx_media_ic_register,
+ .sync_unregister = imx_media_ic_unregister,
},
};
-/* form a device name given an internal subdev and ipu id */
-static inline void isd_to_devname(char *devname, int sz,
- const struct internal_subdev *isd,
- int ipu_id)
-{
- int pdev_id = ipu_id * num_isd + isd->id->index;
-
- snprintf(devname, sz, "%s.%d", isd->id->name, pdev_id);
-}
-
-static const struct internal_subdev *find_intsd_by_grp_id(u32 grp_id)
-{
- enum isd_enum i;
-
- for (i = 0; i < num_isd; i++) {
- const struct internal_subdev *isd = &int_subdev[i];
-
- if (isd->id->grp_id == grp_id)
- return isd;
- }
-
- return NULL;
-}
-
-static struct v4l2_subdev *find_sink(struct imx_media_dev *imxmd,
- struct v4l2_subdev *src,
- const struct internal_link *link)
-{
- char sink_devname[32];
- int ipu_id;
-
- /*
- * retrieve IPU id from subdev name, note: can't get this from
- * struct imx_media_ipu_internal_sd_pdata because if src is
- * a CSI, it has different struct ipu_client_platformdata which
- * does not contain IPU id.
- */
- if (sscanf(src->name, "ipu%d", &ipu_id) != 1)
- return NULL;
-
- isd_to_devname(sink_devname, sizeof(sink_devname),
- link->remote, ipu_id - 1);
-
- return imx_media_find_subdev_by_devname(imxmd, sink_devname);
-}
-
-static int create_ipu_internal_link(struct imx_media_dev *imxmd,
- struct v4l2_subdev *src,
- const struct internal_link *link)
+static int create_internal_link(struct imx_media_dev *imxmd,
+ struct v4l2_subdev *src,
+ struct v4l2_subdev *sink,
+ const struct internal_link *link)
{
- struct v4l2_subdev *sink;
int ret;
- sink = find_sink(imxmd, src, link);
- if (!sink)
- return -ENODEV;
+ /* skip if this link already created */
+ if (media_entity_find_link(&src->entity.pads[link->local_pad],
+ &sink->entity.pads[link->remote_pad]))
+ return 0;
v4l2_info(&imxmd->v4l2_dev, "%s:%d -> %s:%d\n",
src->name, link->local_pad,
ret = media_create_pad_link(&src->entity, link->local_pad,
&sink->entity, link->remote_pad, 0);
if (ret)
- v4l2_err(&imxmd->v4l2_dev,
- "create_pad_link failed: %d\n", ret);
+ v4l2_err(&imxmd->v4l2_dev, "%s failed: %d\n", __func__, ret);
return ret;
}
-int imx_media_create_ipu_internal_links(struct imx_media_dev *imxmd,
- struct v4l2_subdev *sd)
+static int create_ipu_internal_links(struct imx_media_dev *imxmd,
+ const struct internal_subdev *intsd,
+ struct v4l2_subdev *sd,
+ int ipu_id)
{
- const struct internal_subdev *intsd;
const struct internal_pad *intpad;
const struct internal_link *link;
struct media_pad *pad;
int i, j, ret;
- intsd = find_intsd_by_grp_id(sd->grp_id);
- if (!intsd)
- return -ENODEV;
-
/* create the source->sink links */
for (i = 0; i < sd->entity.num_pads; i++) {
intpad = &intsd->pad[i];
if (!(pad->flags & MEDIA_PAD_FL_SOURCE))
continue;
- for (j = 0; ; j++) {
- link = &intpad->link[j];
+ for (j = 0; j < intpad->num_links; j++) {
+ struct v4l2_subdev *sink;
- if (!link->remote)
- break;
+ link = &intpad->link[j];
+ sink = imxmd->sync_sd[ipu_id][link->remote];
- ret = create_ipu_internal_link(imxmd, sd, link);
+ ret = create_internal_link(imxmd, sd, sink, link);
if (ret)
return ret;
}
return 0;
}
-/* register an internal subdev as a platform device */
-static int add_internal_subdev(struct imx_media_dev *imxmd,
- const struct internal_subdev *isd,
- int ipu_id)
+int imx_media_register_ipu_internal_subdevs(struct imx_media_dev *imxmd,
+ struct v4l2_subdev *csi)
{
- struct imx_media_ipu_internal_sd_pdata pdata;
- struct platform_device_info pdevinfo = {};
- struct platform_device *pdev;
+ struct device *ipu_dev = csi->dev->parent;
+ const struct internal_subdev *intsd;
+ struct v4l2_subdev *sd;
+ struct ipu_soc *ipu;
+ int i, ipu_id, ret;
- pdata.grp_id = isd->id->grp_id;
+ ipu = dev_get_drvdata(ipu_dev);
+ if (!ipu) {
+ v4l2_err(&imxmd->v4l2_dev, "invalid IPU device!\n");
+ return -ENODEV;
+ }
- /* the id of IPU this subdev will control */
- pdata.ipu_id = ipu_id;
+ ipu_id = ipu_get_num(ipu);
+ if (ipu_id > 1) {
+ v4l2_err(&imxmd->v4l2_dev, "invalid IPU id %d!\n", ipu_id);
+ return -ENODEV;
+ }
- /* create subdev name */
- imx_media_grp_id_to_sd_name(pdata.sd_name, sizeof(pdata.sd_name),
- pdata.grp_id, ipu_id);
+ mutex_lock(&imxmd->mutex);
- pdevinfo.name = isd->id->name;
- pdevinfo.id = ipu_id * num_isd + isd->id->index;
- pdevinfo.parent = imxmd->md.dev;
- pdevinfo.data = &pdata;
- pdevinfo.size_data = sizeof(pdata);
- pdevinfo.dma_mask = DMA_BIT_MASK(32);
+ /* register the synchronous subdevs */
+ for (i = 0; i < NUM_IPU_SUBDEVS; i++) {
+ intsd = &int_subdev[i];
- pdev = platform_device_register_full(&pdevinfo);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
+ sd = imxmd->sync_sd[ipu_id][i];
- return imx_media_add_async_subdev(imxmd, NULL, pdev);
-}
+ /*
+ * skip if this sync subdev already registered or its
+ * not a sync subdev (one of the CSIs)
+ */
+ if (sd || !intsd->sync_register)
+ continue;
-/* adds the internal subdevs in one ipu */
-int imx_media_add_ipu_internal_subdevs(struct imx_media_dev *imxmd,
- int ipu_id)
-{
- enum isd_enum i;
- int ret;
+ mutex_unlock(&imxmd->mutex);
+ sd = intsd->sync_register(imxmd, ipu_dev, ipu, intsd->grp_id);
+ mutex_lock(&imxmd->mutex);
+ if (IS_ERR(sd)) {
+ ret = PTR_ERR(sd);
+ goto err_unwind;
+ }
- for (i = 0; i < num_isd; i++) {
- const struct internal_subdev *isd = &int_subdev[i];
+ imxmd->sync_sd[ipu_id][i] = sd;
+ }
- /*
- * the CSIs are represented in the device-tree, so those
- * devices are already added to the async subdev list by
- * of_parse_subdev().
- */
- switch (isd->id->grp_id) {
- case IMX_MEDIA_GRP_ID_IPU_CSI0:
- case IMX_MEDIA_GRP_ID_IPU_CSI1:
- ret = 0;
- break;
- default:
- ret = add_internal_subdev(imxmd, isd, ipu_id);
- break;
+ /*
+ * all the sync subdevs are registered, create the media links
+ * between them.
+ */
+ for (i = 0; i < NUM_IPU_SUBDEVS; i++) {
+ intsd = &int_subdev[i];
+
+ if (intsd->grp_id == csi->grp_id) {
+ sd = csi;
+ } else {
+ sd = imxmd->sync_sd[ipu_id][i];
+ if (!sd)
+ continue;
}
- if (ret)
- goto remove;
+ ret = create_ipu_internal_links(imxmd, intsd, sd, ipu_id);
+ if (ret) {
+ mutex_unlock(&imxmd->mutex);
+ imx_media_unregister_ipu_internal_subdevs(imxmd);
+ return ret;
+ }
}
+ mutex_unlock(&imxmd->mutex);
return 0;
-remove:
- imx_media_remove_ipu_internal_subdevs(imxmd);
+err_unwind:
+ while (--i >= 0) {
+ intsd = &int_subdev[i];
+ sd = imxmd->sync_sd[ipu_id][i];
+ if (!sd || !intsd->sync_unregister)
+ continue;
+ mutex_unlock(&imxmd->mutex);
+ intsd->sync_unregister(sd);
+ mutex_lock(&imxmd->mutex);
+ }
+
+ mutex_unlock(&imxmd->mutex);
return ret;
}
-void imx_media_remove_ipu_internal_subdevs(struct imx_media_dev *imxmd)
+void imx_media_unregister_ipu_internal_subdevs(struct imx_media_dev *imxmd)
{
- struct imx_media_async_subdev *imxasd;
- struct v4l2_async_subdev *asd;
+ const struct internal_subdev *intsd;
+ struct v4l2_subdev *sd;
+ int i, j;
- list_for_each_entry(asd, &imxmd->notifier.asd_list, asd_list) {
- imxasd = to_imx_media_asd(asd);
+ mutex_lock(&imxmd->mutex);
- if (!imxasd->pdev)
- continue;
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < NUM_IPU_SUBDEVS; j++) {
+ intsd = &int_subdev[j];
+ sd = imxmd->sync_sd[i][j];
+
+ if (!sd || !intsd->sync_unregister)
+ continue;
- platform_device_unregister(imxasd->pdev);
+ mutex_unlock(&imxmd->mutex);
+ intsd->sync_unregister(sd);
+ mutex_lock(&imxmd->mutex);
+ }
}
+
+ mutex_unlock(&imxmd->mutex);
}
int imx_media_of_add_csi(struct imx_media_dev *imxmd,
struct device_node *csi_np)
{
+ struct v4l2_async_subdev *asd;
+ int ret = 0;
+
if (!of_device_is_available(csi_np)) {
dev_dbg(imxmd->md.dev, "%s: %pOFn not enabled\n", __func__,
csi_np);
}
/* add CSI fwnode to async notifier */
- return imx_media_add_async_subdev(imxmd, of_fwnode_handle(csi_np),
- NULL);
+ asd = v4l2_async_notifier_add_fwnode_subdev(&imxmd->notifier,
+ of_fwnode_handle(csi_np),
+ sizeof(*asd));
+ if (IS_ERR(asd)) {
+ ret = PTR_ERR(asd);
+ if (ret == -EEXIST)
+ dev_dbg(imxmd->md.dev, "%s: already added %pOFn\n",
+ __func__, csi_np);
+ }
+
+ return ret;
}
EXPORT_SYMBOL_GPL(imx_media_of_add_csi);
int imx_media_add_of_subdevs(struct imx_media_dev *imxmd,
struct device_node *np)
{
- bool ipu_found[2] = {false, false};
struct device_node *csi_np;
int i, ret;
- u32 ipu_id;
for (i = 0; ; i++) {
csi_np = of_parse_phandle(np, "ports", i);
/* other error, can't continue */
goto err_out;
}
-
- ret = of_alias_get_id(csi_np->parent, "ipu");
- if (ret < 0)
- goto err_out;
- if (ret > 1) {
- ret = -EINVAL;
- goto err_out;
- }
-
- ipu_id = ret;
-
- if (!ipu_found[ipu_id]) {
- ret = imx_media_add_ipu_internal_subdevs(imxmd,
- ipu_id);
- if (ret)
- goto err_out;
- }
-
- ipu_found[ipu_id] = true;
}
return 0;
err_out:
- imx_media_remove_ipu_internal_subdevs(imxmd);
of_node_put(csi_np);
return ret;
}
*
* Copyright (c) 2017 Mentor Graphics Inc.
*/
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/timer.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#define S_ALIGN 1 /* multiple of 2 */
struct vdic_priv {
- struct device *dev;
- struct ipu_soc *ipu;
+ struct device *ipu_dev;
+ struct ipu_soc *ipu;
+
struct imx_media_dev *md;
struct v4l2_subdev sd;
struct media_pad pad[VDIC_NUM_PADS];
- int ipu_id;
/* lock to protect all members below */
struct mutex lock;
struct ipuv3_channel *ch;
struct ipu_vdi *vdi;
- priv->ipu = priv->md->ipu[priv->ipu_id];
-
vdi = ipu_vdi_get(priv->ipu);
if (IS_ERR(vdi)) {
v4l2_err(&priv->sd, "failed to get VDIC\n");
if (priv->stream_count != !enable)
goto update_count;
- dev_dbg(priv->dev, "stream %s\n", enable ? "ON" : "OFF");
+ dev_dbg(priv->ipu_dev, "%s: stream %s\n", sd->name,
+ enable ? "ON" : "OFF");
if (enable)
ret = vdic_start(priv);
struct v4l2_subdev *remote_sd;
int ret = 0;
- dev_dbg(priv->dev, "link setup %s -> %s", remote->entity->name,
- local->entity->name);
+ dev_dbg(priv->ipu_dev, "%s: link setup %s -> %s",
+ sd->name, remote->entity->name, local->entity->name);
mutex_lock(&priv->lock);
int i, ret;
u32 code;
- /* get media device */
- priv->md = dev_get_drvdata(sd->v4l2_dev->dev);
-
for (i = 0; i < VDIC_NUM_PADS; i++) {
priv->pad[i].flags = (i == VDIC_SRC_PAD_DIRECT) ?
MEDIA_PAD_FL_SOURCE : MEDIA_PAD_FL_SINK;
.unregistered = vdic_unregistered,
};
-static int imx_vdic_probe(struct platform_device *pdev)
+struct v4l2_subdev *imx_media_vdic_register(struct imx_media_dev *imxmd,
+ struct device *ipu_dev,
+ struct ipu_soc *ipu,
+ u32 grp_id)
{
- struct imx_media_ipu_internal_sd_pdata *pdata;
+ struct v4l2_device *v4l2_dev = &imxmd->v4l2_dev;
struct vdic_priv *priv;
int ret;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(ipu_dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
- platform_set_drvdata(pdev, &priv->sd);
- priv->dev = &pdev->dev;
-
- pdata = priv->dev->platform_data;
- priv->ipu_id = pdata->ipu_id;
+ priv->ipu_dev = ipu_dev;
+ priv->ipu = ipu;
+ priv->md = imxmd;
v4l2_subdev_init(&priv->sd, &vdic_subdev_ops);
v4l2_set_subdevdata(&priv->sd, priv);
priv->sd.internal_ops = &vdic_internal_ops;
priv->sd.entity.ops = &vdic_entity_ops;
priv->sd.entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER;
- priv->sd.dev = &pdev->dev;
- priv->sd.owner = THIS_MODULE;
+ priv->sd.owner = ipu_dev->driver->owner;
priv->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
- /* get our group id */
- priv->sd.grp_id = pdata->grp_id;
- strscpy(priv->sd.name, pdata->sd_name, sizeof(priv->sd.name));
+ priv->sd.grp_id = grp_id;
+ imx_media_grp_id_to_sd_name(priv->sd.name, sizeof(priv->sd.name),
+ priv->sd.grp_id, ipu_get_num(ipu));
mutex_init(&priv->lock);
- ret = v4l2_async_register_subdev(&priv->sd);
+ ret = v4l2_device_register_subdev(v4l2_dev, &priv->sd);
if (ret)
goto free;
- return 0;
+ return &priv->sd;
free:
mutex_destroy(&priv->lock);
- return ret;
+ return ERR_PTR(ret);
}
-static int imx_vdic_remove(struct platform_device *pdev)
+int imx_media_vdic_unregister(struct v4l2_subdev *sd)
{
- struct v4l2_subdev *sd = platform_get_drvdata(pdev);
struct vdic_priv *priv = v4l2_get_subdevdata(sd);
v4l2_info(sd, "Removing\n");
- v4l2_async_unregister_subdev(sd);
+ v4l2_device_unregister_subdev(sd);
mutex_destroy(&priv->lock);
media_entity_cleanup(&sd->entity);
return 0;
}
-
-static const struct platform_device_id imx_vdic_ids[] = {
- { .name = "imx-ipuv3-vdic" },
- { },
-};
-MODULE_DEVICE_TABLE(platform, imx_vdic_ids);
-
-static struct platform_driver imx_vdic_driver = {
- .probe = imx_vdic_probe,
- .remove = imx_vdic_remove,
- .id_table = imx_vdic_ids,
- .driver = {
- .name = "imx-ipuv3-vdic",
- },
-};
-module_platform_driver(imx_vdic_driver);
-
-MODULE_DESCRIPTION("i.MX VDIC subdev driver");
-MODULE_AUTHOR("Steve Longerbeam <steve_longerbeam@mentor.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:imx-ipuv3-vdic");
#include <media/videobuf2-dma-contig.h>
#include <video/imx-ipu-v3.h>
+/*
+ * Enumeration of the IPU internal sub-devices
+ */
+enum {
+ IPU_CSI0 = 0,
+ IPU_CSI1,
+ IPU_VDIC,
+ IPU_IC_PRP,
+ IPU_IC_PRPENC,
+ IPU_IC_PRPVF,
+ NUM_IPU_SUBDEVS,
+};
+
/*
* Pad definitions for the subdevs with multiple source or
* sink pads
struct list_head list;
};
-struct imx_media_ipu_internal_sd_pdata {
- char sd_name[V4L2_SUBDEV_NAME_SIZE];
- u32 grp_id;
- int ipu_id;
-};
-
-struct imx_media_async_subdev {
- /* the base asd - must be first in this struct */
- struct v4l2_async_subdev asd;
- /* the platform device of IPU-internal subdevs */
- struct platform_device *pdev;
-};
-
-static inline struct imx_media_async_subdev *
-to_imx_media_asd(struct v4l2_async_subdev *asd)
-{
- return container_of(asd, struct imx_media_async_subdev, asd);
-}
-
struct imx_media_dev {
struct media_device md;
struct v4l2_device v4l2_dev;
/* master video device list */
struct list_head vdev_list;
- /* IPUs this media driver control, valid after subdevs bound */
- struct ipu_soc *ipu[2];
-
/* for async subdev registration */
struct v4l2_async_notifier notifier;
+
+ /* the IPU internal subdev's registered synchronously */
+ struct v4l2_subdev *sync_sd[2][NUM_IPU_SUBDEVS];
};
enum codespace_sel {
bool on);
/* imx-media-dev.c */
-int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
- struct fwnode_handle *fwnode,
- struct platform_device *pdev);
-
int imx_media_subdev_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *sd,
struct v4l2_async_subdev *asd);
void imx_media_fim_free(struct imx_media_fim *fim);
/* imx-media-internal-sd.c */
-int imx_media_add_ipu_internal_subdevs(struct imx_media_dev *imxmd,
- int ipu_id);
-int imx_media_create_ipu_internal_links(struct imx_media_dev *imxmd,
- struct v4l2_subdev *sd);
-void imx_media_remove_ipu_internal_subdevs(struct imx_media_dev *imxmd);
+int imx_media_register_ipu_internal_subdevs(struct imx_media_dev *imxmd,
+ struct v4l2_subdev *csi);
+void imx_media_unregister_ipu_internal_subdevs(struct imx_media_dev *imxmd);
/* imx-media-of.c */
int imx_media_add_of_subdevs(struct imx_media_dev *dev,
int imx_media_of_add_csi(struct imx_media_dev *imxmd,
struct device_node *csi_np);
+/* imx-media-vdic.c */
+struct v4l2_subdev *imx_media_vdic_register(struct imx_media_dev *imxmd,
+ struct device *ipu_dev,
+ struct ipu_soc *ipu,
+ u32 grp_id);
+int imx_media_vdic_unregister(struct v4l2_subdev *sd);
+
+/* imx-ic-common.c */
+struct v4l2_subdev *imx_media_ic_register(struct imx_media_dev *imxmd,
+ struct device *ipu_dev,
+ struct ipu_soc *ipu,
+ u32 grp_id);
+int imx_media_ic_unregister(struct v4l2_subdev *sd);
+
/* imx-media-capture.c */
struct imx_media_video_dev *
-imx_media_capture_device_init(struct v4l2_subdev *src_sd, int pad);
+imx_media_capture_device_init(struct device *dev, struct v4l2_subdev *src_sd,
+ int pad);
void imx_media_capture_device_remove(struct imx_media_video_dev *vdev);
int imx_media_capture_device_register(struct imx_media_video_dev *vdev);
void imx_media_capture_device_unregister(struct imx_media_video_dev *vdev);
csi->sd.grp_id = IMX_MEDIA_GRP_ID_CSI;
snprintf(csi->sd.name, sizeof(csi->sd.name), "csi");
- csi->vdev = imx_media_capture_device_init(&csi->sd, IMX7_CSI_PAD_SRC);
+ csi->vdev = imx_media_capture_device_init(csi->sd.dev, &csi->sd,
+ IMX7_CSI_PAD_SRC);
if (IS_ERR(csi->vdev))
return PTR_ERR(csi->vdev);
projects / linux-2.6-microblaze.git / commitdiff