static int rvin_graph_notify_complete(struct v4l2_async_notifier *notifier)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
int ret;
ret = v4l2_device_register_subdev_nodes(&vin->v4l2_dev);
if (ret < 0) {
vin_err(vin, "Failed to register subdev nodes\n");
return ret;
}
if (!rvin_mbus_supported(vin)) {
vin_err(vin, "No supported mediabus format found\n");
return -EINVAL;
}
return rvin_v4l2_probe(vin);
}
static int rvin_digital_notify_complete(struct v4l2_async_notifier *notifier)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
int ret;
/* Verify subdevices mbus format */
if (!rvin_mbus_supported(&vin->digital)) {
vin_err(vin, "Unsupported media bus format for %s\n",
vin->digital.subdev->name);
return -EINVAL;
}
vin_dbg(vin, "Found media bus format for %s: %d\n",
vin->digital.subdev->name, vin->digital.code);
ret = v4l2_device_register_subdev_nodes(&vin->v4l2_dev);
if (ret < 0) {
vin_err(vin, "Failed to register subdev nodes\n");
return ret;
}
return rvin_v4l2_probe(vin);
}
static int atomisp_register_entities(struct atomisp_device *isp)
{
int ret = 0;
unsigned int i;
isp->media_dev.dev = isp->dev;
strlcpy(isp->media_dev.model, "Intel Atom ISP",
sizeof(isp->media_dev.model));
ret = media_device_register(&isp->media_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev, "%s: Media device registration "
"failed (%d)\n", __func__, ret);
return ret;
}
isp->v4l2_dev.mdev = &isp->media_dev;
ret = v4l2_device_register(isp->dev, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"%s: V4L2 device registration failed (%d)\n",
__func__, ret);
goto v4l2_device_failed;
}
ret = atomisp_subdev_probe(isp);
if (ret < 0)
goto csi_and_subdev_probe_failed;
/* Register internal entities */
for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++) {
ret = atomisp_mipi_csi2_register_entities(&isp->csi2_port[i],
&isp->v4l2_dev);
if (ret == 0)
continue;
/* error case */
v4l2_err(&atomisp_dev,
"failed to register the CSI port: %d\n", i);
/* deregister all registered CSI ports */
while (i--)
atomisp_mipi_csi2_unregister_entities(
&isp->csi2_port[i]);
goto csi_and_subdev_probe_failed;
}
ret =
atomisp_file_input_register_entities(&isp->file_dev, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"atomisp_file_input_register_entities\n");
goto file_input_register_failed;
}
ret = atomisp_tpg_register_entities(&isp->tpg, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev, "atomisp_tpg_register_entities\n");
goto tpg_register_failed;
}
for (i = 0; i < isp->num_of_streams; i++) {
ret =
atomisp_subdev_register_entities(&isp->isp_subdev[i],
&isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"atomisp_subdev_register_entities fail\n");
goto subdev_register_failed;
}
}
for (i = 0; i < isp->input_cnt; i++) {
if (isp->inputs[i].port >= ATOMISP_CAMERA_NR_PORTS) {
v4l2_err(&atomisp_dev,
"isp->inputs port %d not supported\n",
isp->inputs[i].port);
ret = -EINVAL;
goto link_failed;
}
ret = media_entity_create_link(
&isp->inputs[i].camera->entity, 0,
&isp->csi2_port[isp->inputs[i].port].subdev.entity,
CSI2_PAD_SINK,
MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE);
if (ret < 0) {
dev_err(isp->dev,
"link create from sensor to csi-2 receiver failed\n");
goto link_failed;
}
}
v4l2_dbg(1, dbg_level, &atomisp_dev,
"FILE_INPUT enable, camera_cnt: %d\n", isp->input_cnt);
isp->inputs[isp->input_cnt].type = FILE_INPUT;
isp->inputs[isp->input_cnt].port = -1;
isp->inputs[isp->input_cnt].shading_table = NULL;
isp->inputs[isp->input_cnt].morph_table = NULL;
isp->inputs[isp->input_cnt++].camera = &isp->file_dev.sd;
if (isp->input_cnt < ATOM_ISP_MAX_INPUTS) {
v4l2_dbg(1, dbg_level, &atomisp_dev,
"TPG detected, camera_cnt: %d\n", isp->input_cnt);
isp->inputs[isp->input_cnt].type = TEST_PATTERN;
isp->inputs[isp->input_cnt].port = -1;
isp->inputs[isp->input_cnt].shading_table = NULL;
isp->inputs[isp->input_cnt].morph_table = NULL;
isp->inputs[isp->input_cnt++].camera = &isp->tpg.sd;
} else {
v4l2_warn(&atomisp_dev,
"too many atomisp inputs, TPG ignored.\n");
}
ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev);
if (ret < 0)
goto link_failed;
return ret;
link_failed:
for (i = 0; i < isp->num_of_streams; i++)
atomisp_subdev_unregister_entities(&isp->isp_subdev[i]);
subdev_register_failed:
while (i--)
atomisp_subdev_unregister_entities(&isp->isp_subdev[i]);
atomisp_tpg_unregister_entities(&isp->tpg);
tpg_register_failed:
atomisp_file_input_unregister_entities(&isp->file_dev);
file_input_register_failed:
for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++)
atomisp_mipi_csi2_unregister_entities(&isp->csi2_port[i]);
csi_and_subdev_probe_failed:
v4l2_device_unregister(&isp->v4l2_dev);
v4l2_device_failed:
media_device_unregister(&isp->media_dev);
return ret;
}
static int s3c_camif_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct s3c_camif_plat_data *pdata = dev->platform_data;
struct s3c_camif_drvdata *drvdata;
struct camif_dev *camif;
struct resource *mres;
int ret = 0;
camif = devm_kzalloc(dev, sizeof(*camif), GFP_KERNEL);
if (!camif)
return -ENOMEM;
spin_lock_init(&camif->slock);
mutex_init(&camif->lock);
camif->dev = dev;
if (!pdata || !pdata->gpio_get || !pdata->gpio_put) {
dev_err(dev, "wrong platform data\n");
return -EINVAL;
}
camif->pdata = *pdata;
drvdata = (void *)platform_get_device_id(pdev)->driver_data;
camif->variant = drvdata->variant;
mres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
camif->io_base = devm_ioremap_resource(dev, mres);
if (IS_ERR(camif->io_base))
return PTR_ERR(camif->io_base);
ret = camif_request_irqs(pdev, camif);
if (ret < 0)
return ret;
ret = pdata->gpio_get();
if (ret < 0)
return ret;
ret = s3c_camif_create_subdev(camif);
if (ret < 0)
goto err_sd;
ret = camif_clk_get(camif);
if (ret < 0)
goto err_clk;
platform_set_drvdata(pdev, camif);
clk_set_rate(camif->clock[CLK_CAM],
camif->pdata.sensor.clock_frequency);
dev_info(dev, "sensor clock frequency: %lu\n",
clk_get_rate(camif->clock[CLK_CAM]));
/*
* Set initial pixel format, resolution and crop rectangle.
* Must be done before a sensor subdev is registered as some
* settings are overrode with values from sensor subdev.
*/
s3c_camif_set_defaults(camif);
pm_runtime_enable(dev);
ret = pm_runtime_get_sync(dev);
if (ret < 0)
goto err_pm;
/* Initialize contiguous memory allocator */
camif->alloc_ctx = vb2_dma_contig_init_ctx(dev);
if (IS_ERR(camif->alloc_ctx)) {
ret = PTR_ERR(camif->alloc_ctx);
goto err_alloc;
}
ret = camif_media_dev_init(camif);
if (ret < 0)
goto err_mdev;
ret = camif_register_sensor(camif);
if (ret < 0)
goto err_sens;
ret = v4l2_device_register_subdev(&camif->v4l2_dev, &camif->subdev);
if (ret < 0)
goto err_sens;
ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev);
if (ret < 0)
goto err_sens;
ret = camif_register_video_nodes(camif);
if (ret < 0)
goto err_sens;
ret = camif_create_media_links(camif);
if (ret < 0)
goto err_sens;
ret = media_device_register(&camif->media_dev);
if (ret < 0)
goto err_sens;
pm_runtime_put(dev);
return 0;
err_sens:
v4l2_device_unregister(&camif->v4l2_dev);
media_device_unregister(&camif->media_dev);
media_device_cleanup(&camif->media_dev);
camif_unregister_media_entities(camif);
err_mdev:
vb2_dma_contig_cleanup_ctx(camif->alloc_ctx);
err_alloc:
pm_runtime_put(dev);
pm_runtime_disable(dev);
err_pm:
camif_clk_put(camif);
err_clk:
s3c_camif_unregister_subdev(camif);
err_sd:
pdata->gpio_put();
return ret;
}
static int atomisp_register_entities(struct atomisp_device *isp)
{
int ret = 0;
int i = 0;
struct v4l2_subdev *subdev = NULL;
struct media_entity *input = NULL;
unsigned int flags;
unsigned int pad;
isp->media_dev.dev = isp->dev;
strlcpy(isp->media_dev.model, "Intel Atom ISP",
sizeof(isp->media_dev.model));
ret = media_device_register(&isp->media_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev, "%s: Media device registration "
"failed (%d)\n", __func__, ret);
return ret;
}
isp->v4l2_dev.mdev = &isp->media_dev;
ret = v4l2_device_register(isp->dev, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"%s: V4L2 device registration failed (%d)\n",
__func__, ret);
goto v4l2_device_failed;
}
/*
* fixing me!
* not sub device exists on
* mrfld vp
*/
if (!IS_MRFLD) {
ret = atomisp_subdev_probe(isp);
if (ret < 0)
goto lane4_and_subdev_probe_failed;
}
/* Register internal entities */
ret =
atomisp_mipi_csi2_register_entities(&isp->csi2_4p, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"atomisp_mipi_csi2_register_entities 4p\n");
goto lane4_and_subdev_probe_failed;
}
ret =
atomisp_mipi_csi2_register_entities(&isp->csi2_1p, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"atomisp_mipi_csi2_register_entities 1p\n");
goto lane1_failed;
}
ret =
atomisp_file_input_register_entities(&isp->file_dev, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"atomisp_file_input_register_entities\n");
goto file_input_register_failed;
}
ret = atomisp_tpg_register_entities(&isp->tpg, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev, "atomisp_tpg_register_entities\n");
goto tpg_register_failed;
}
ret =
atomisp_subdev_register_entities(&isp->isp_subdev, &isp->v4l2_dev);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"atomisp_subdev_register_entities fail\n");
goto subdev_register_failed;
}
for (i = 0; i < isp->input_cnt; i++) {
subdev = isp->inputs[i].camera;
switch (isp->inputs[i].port) {
case ATOMISP_CAMERA_PORT_PRIMARY:
input = &isp->csi2_4p.subdev.entity;
pad = CSI2_PAD_SINK;
flags = 0;
break;
case ATOMISP_CAMERA_PORT_SECONDARY:
input = &isp->csi2_1p.subdev.entity;
pad = CSI2_PAD_SINK;
flags = 0;
break;
default:
v4l2_dbg(1, dbg_level, &atomisp_dev,
"isp->inputs type not supported\n");
break;
}
ret = media_entity_create_link(&subdev->entity, 0,
input, pad, flags);
if (ret < 0) {
v4l2_err(&atomisp_dev,
"snr to mipi csi link failed\n");
goto link_failed;
}
}
v4l2_dbg(1, dbg_level, &atomisp_dev,
"FILE_INPUT enable, camera_cnt: %d\n", isp->input_cnt);
isp->inputs[isp->input_cnt].type = FILE_INPUT;
isp->inputs[isp->input_cnt].port = -1;
isp->inputs[isp->input_cnt].shading_table = NULL;
isp->inputs[isp->input_cnt].morph_table = NULL;
isp->inputs[isp->input_cnt++].camera = &isp->file_dev.sd;
if (isp->input_cnt < ATOM_ISP_MAX_INPUTS) {
v4l2_dbg(1, dbg_level, &atomisp_dev,
"TPG detected, camera_cnt: %d\n", isp->input_cnt);
isp->inputs[isp->input_cnt].type = TEST_PATTERN;
isp->inputs[isp->input_cnt].port = -1;
isp->inputs[isp->input_cnt].shading_table = NULL;
isp->inputs[isp->input_cnt].morph_table = NULL;
isp->inputs[isp->input_cnt++].camera = &isp->tpg.sd;
} else {
v4l2_warn(&atomisp_dev,
"too many atomisp inputs, TPG ignored.\n");
}
ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev);
if (ret < 0)
goto link_failed;
return ret;
link_failed:
atomisp_subdev_unregister_entities(&isp->isp_subdev);
subdev_register_failed:
atomisp_tpg_unregister_entities(&isp->tpg);
tpg_register_failed:
atomisp_file_input_unregister_entities(&isp->file_dev);
file_input_register_failed:
atomisp_mipi_csi2_unregister_entities(&isp->csi2_1p);
lane1_failed:
atomisp_mipi_csi2_unregister_entities(&isp->csi2_4p);
lane4_and_subdev_probe_failed:
v4l2_device_unregister(&isp->v4l2_dev);
v4l2_device_failed:
media_device_unregister(&isp->media_dev);
return ret;
}
static int __devinit fimc_md_probe(struct platform_device *pdev)
{
struct v4l2_device *v4l2_dev;
struct fimc_md *fmd;
int ret;
fmd = devm_kzalloc(&pdev->dev, sizeof(*fmd), GFP_KERNEL);
if (!fmd)
return -ENOMEM;
spin_lock_init(&fmd->slock);
fmd->pdev = pdev;
strlcpy(fmd->media_dev.model, "SAMSUNG S5P FIMC",
sizeof(fmd->media_dev.model));
fmd->media_dev.link_notify = fimc_md_link_notify;
fmd->media_dev.dev = &pdev->dev;
v4l2_dev = &fmd->v4l2_dev;
v4l2_dev->mdev = &fmd->media_dev;
v4l2_dev->notify = fimc_sensor_notify;
snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s",
dev_name(&pdev->dev));
ret = v4l2_device_register(&pdev->dev, &fmd->v4l2_dev);
if (ret < 0) {
v4l2_err(v4l2_dev, "Failed to register v4l2_device: %d\n", ret);
return ret;
}
ret = media_device_register(&fmd->media_dev);
if (ret < 0) {
v4l2_err(v4l2_dev, "Failed to register media device: %d\n", ret);
goto err2;
}
ret = fimc_md_get_clocks(fmd);
if (ret)
goto err3;
fmd->user_subdev_api = false;
ret = fimc_md_register_platform_entities(fmd);
if (ret)
goto err3;
if (pdev->dev.platform_data) {
ret = fimc_md_register_sensor_entities(fmd);
if (ret)
goto err3;
}
ret = fimc_md_create_links(fmd);
if (ret)
goto err3;
ret = v4l2_device_register_subdev_nodes(&fmd->v4l2_dev);
if (ret)
goto err3;
ret = fimc_md_register_video_nodes(fmd);
if (ret)
goto err3;
ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode);
if (!ret) {
platform_set_drvdata(pdev, fmd);
return 0;
}
err3:
media_device_unregister(&fmd->media_dev);
fimc_md_put_clocks(fmd);
fimc_md_unregister_entities(fmd);
err2:
v4l2_device_unregister(&fmd->v4l2_dev);
return ret;
}
static int unicam_register_entities(struct unicam_device *unicam)
{
struct unicam_platform_data *pdata = unicam->pdata;
struct unicam_v4l2_subdevs_groups *subdevs;
int ret, i;
/* media device registration */
unicam->media_dev.dev = unicam->dev;
strlcpy(unicam->media_dev.model, "Broadcom Kona Unicam",
sizeof(unicam->media_dev.model));
unicam->media_dev.hw_revision = unicam->revision;
unicam->media_dev.link_notify = unicam_pipeline_link_notify;
ret = media_device_register(&unicam->media_dev);
if (ret < 0) {
dev_err(unicam->dev, "media device registration failed (%d)\n",
ret);
return ret;
}
/* v4l2 device registration */
unicam->v4l2_dev.mdev = &unicam->media_dev;
ret = v4l2_device_register(unicam->dev, &unicam->v4l2_dev);
if (ret < 0) {
dev_err(unicam->dev, "V4L2 device registration failed (%d)\n",
ret);
goto done;
}
/* now register all enitites */
ret = kona_unicam_csi2_register_entities(&unicam->csi2a,
&unicam->v4l2_dev);
if (ret < 0) {
dev_err(unicam->dev, "failed to register csi2a entities (%d)\n",
ret);
goto done;
}
/* now register external entities */
for (i = 0; i < pdata->num_subdevs; i++) {
struct v4l2_subdev *sensor;
struct media_entity *input;
unsigned int pad;
subdevs = &pdata->subdevs[i];
sensor = unicam_register_subdev_group(unicam,
subdevs->i2c_info);
if (sensor == NULL)
continue;
sensor->host_priv = subdevs;
/*
* connect the sensor to the correct interface module.
* we only have one receiver here
*/
switch (subdevs->interface) {
case UNICAM_INTERFACE_CSI2_PHY1:
input = &unicam->csi2a.subdev.entity;
pad = CSI2_PAD_SINK;
break;
default:
dev_err(unicam->dev, "invalid interface type %u\n",
subdevs->interface);
goto done;
}
ret = media_entity_create_link(&sensor->entity, 0, input, pad,
0);
if (ret < 0)
goto done;
};
ret = v4l2_device_register_subdev_nodes(&unicam->v4l2_dev);
done:
if (ret < 0)
unicam_unregister_entities(unicam);
return ret;
}
static int fimc_md_probe(struct platform_device *pdev)
{
struct s5p_platform_fimc *pdata = pdev->dev.platform_data;
struct v4l2_device *v4l2_dev;
struct fimc_md *fmd;
int ret;
fmd = devm_kzalloc(&pdev->dev, sizeof(*fmd), GFP_KERNEL);
if (!fmd)
return -ENOMEM;
spin_lock_init(&fmd->slock);
fmd->pdev = pdev;
strlcpy(fmd->media_dev.model, "SAMSUNG S5P FIMC",
sizeof(fmd->media_dev.model));
fmd->media_dev.link_notify = fimc_md_link_notify;
fmd->media_dev.dev = &pdev->dev;
v4l2_dev = &fmd->v4l2_dev;
v4l2_dev->mdev = &fmd->media_dev;
v4l2_dev->notify = fimc_sensor_notify;
snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s",
dev_name(&pdev->dev));
ret = v4l2_device_register(&pdev->dev, &fmd->v4l2_dev);
if (ret < 0) {
v4l2_err(v4l2_dev, "Failed to register v4l2_device: %d\n", ret);
return ret;
}
ret = media_device_register(&fmd->media_dev);
if (ret < 0) {
v4l2_err(v4l2_dev, "Failed to register media device: %d\n", ret);
goto err_md;
}
ret = fimc_md_get_clocks(fmd, pdata);
if (ret)
goto err_clk;
fmd->user_subdev_api = true;
/* Protect the media graph while we're registering entities */
mutex_lock(&fmd->media_dev.graph_mutex);
ret = fimc_md_register_platform_entities(fmd);
if (ret)
goto err_unlock;
if (pdata) {
ret = fimc_md_register_sensor_entities(fmd);
if (ret)
goto err_unlock;
}
ret = fimc_md_create_links(fmd);
if (ret)
goto err_unlock;
ret = v4l2_device_register_subdev_nodes(&fmd->v4l2_dev);
if (ret)
goto err_unlock;
ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode);
if (ret)
goto err_unlock;
platform_set_drvdata(pdev, fmd);
mutex_unlock(&fmd->media_dev.graph_mutex);
return 0;
err_unlock:
mutex_unlock(&fmd->media_dev.graph_mutex);
err_clk:
media_device_unregister(&fmd->media_dev);
fimc_md_put_clocks(fmd);
fimc_md_unregister_entities(fmd);
err_md:
v4l2_device_unregister(&fmd->v4l2_dev);
return ret;
}
static int iss_register_entities(struct iss_device *iss)
{
struct iss_platform_data *pdata = iss->pdata;
struct iss_v4l2_subdevs_group *subdevs;
int ret;
iss->media_dev.dev = iss->dev;
strlcpy(iss->media_dev.model, "TI OMAP4 ISS",
sizeof(iss->media_dev.model));
iss->media_dev.hw_revision = iss->revision;
iss->media_dev.link_notify = iss_pipeline_link_notify;
ret = media_device_register(&iss->media_dev);
if (ret < 0) {
dev_err(iss->dev, "Media device registration failed (%d)\n",
ret);
return ret;
}
iss->v4l2_dev.mdev = &iss->media_dev;
ret = v4l2_device_register(iss->dev, &iss->v4l2_dev);
if (ret < 0) {
dev_err(iss->dev, "V4L2 device registration failed (%d)\n",
ret);
goto done;
}
/* Register internal entities */
ret = omap4iss_csi2_register_entities(&iss->csi2a, &iss->v4l2_dev);
if (ret < 0)
goto done;
ret = omap4iss_csi2_register_entities(&iss->csi2b, &iss->v4l2_dev);
if (ret < 0)
goto done;
ret = omap4iss_ipipeif_register_entities(&iss->ipipeif, &iss->v4l2_dev);
if (ret < 0)
goto done;
ret = omap4iss_ipipe_register_entities(&iss->ipipe, &iss->v4l2_dev);
if (ret < 0)
goto done;
ret = omap4iss_resizer_register_entities(&iss->resizer, &iss->v4l2_dev);
if (ret < 0)
goto done;
/* Register external entities */
for (subdevs = pdata->subdevs; subdevs && subdevs->subdevs; ++subdevs) {
struct v4l2_subdev *sensor;
struct media_entity *input;
unsigned int flags;
unsigned int pad;
sensor = iss_register_subdev_group(iss, subdevs->subdevs);
if (!sensor)
continue;
sensor->host_priv = subdevs;
/* Connect the sensor to the correct interface module.
* CSI2a receiver through CSIPHY1, or
* CSI2b receiver through CSIPHY2
*/
switch (subdevs->interface) {
case ISS_INTERFACE_CSI2A_PHY1:
input = &iss->csi2a.subdev.entity;
pad = CSI2_PAD_SINK;
flags = MEDIA_LNK_FL_IMMUTABLE
| MEDIA_LNK_FL_ENABLED;
break;
case ISS_INTERFACE_CSI2B_PHY2:
input = &iss->csi2b.subdev.entity;
pad = CSI2_PAD_SINK;
flags = MEDIA_LNK_FL_IMMUTABLE
| MEDIA_LNK_FL_ENABLED;
break;
default:
dev_err(iss->dev, "invalid interface type %u\n",
subdevs->interface);
ret = -EINVAL;
goto done;
}
ret = media_create_pad_link(&sensor->entity, 0, input, pad,
flags);
if (ret < 0)
goto done;
}
ret = v4l2_device_register_subdev_nodes(&iss->v4l2_dev);
done:
if (ret < 0)
iss_unregister_entities(iss);
return ret;
}
static int __devinit nxp_v4l2_probe(struct platform_device *pdev)
{
struct v4l2_device *v4l2_dev;
struct nxp_v4l2 *nxp_v4l2;
struct nxp_v4l2_platformdata *pdata;
#ifdef CONFIG_VIDEO_NXP_CAPTURE
struct nxp_capture_platformdata *capture_pdata;
struct nxp_capture *capture;
int i;
#endif
#ifdef CONFIG_NXP_M2M_SCALER
struct nxp_scaler *scaler;
#endif
#ifdef CONFIG_LOOPBACK_SENSOR_DRIVER
struct nxp_loopback_sensor *loopback_sensor = NULL;
#endif
int ret;
pr_debug("%s entered\n", __func__);
pdata = pdev->dev.platform_data;
if (!pdata) {
dev_err(&pdev->dev, "can't get platformdata\n");
return -EINVAL;
}
nxp_v4l2 = kzalloc(sizeof(*nxp_v4l2), GFP_KERNEL);
if (!nxp_v4l2) {
pr_err("%s error: fail to kzalloc(size %d)\n", __func__, sizeof(struct nxp_v4l2));
return -ENOMEM;
}
nxp_v4l2->pdev = pdev;
nxp_v4l2->pdata = pdata;
snprintf(nxp_v4l2->media_dev.model, sizeof(nxp_v4l2->media_dev.model), "%s",
dev_name(&pdev->dev));
nxp_v4l2->media_dev.dev = &pdev->dev;
v4l2_dev = &nxp_v4l2->v4l2_dev;
v4l2_dev->mdev = &nxp_v4l2->media_dev;
snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s",
dev_name(&pdev->dev));
/* alloc context : use uncached area */
nxp_v4l2->alloc_ctx =
vb2_ion_create_context(&pdev->dev, SZ_4K, VB2ION_CTX_UNCACHED);
if (!nxp_v4l2->alloc_ctx) {
pr_err("%s: failed to ion alloc context\n", __func__);
ret = -ENOMEM;
goto err_alloc_ctx;
}
ret = v4l2_device_register(&pdev->dev, &nxp_v4l2->v4l2_dev);
if (ret < 0) {
pr_err("%s: failed to register v4l2_device: %d\n", __func__, ret);
goto err_v4l2_reg;
}
ret = media_device_register(&nxp_v4l2->media_dev);
if (ret < 0) {
pr_err("%s: failed to register media_device: %d\n", __func__, ret);
goto err_media_reg;
}
__me = nxp_v4l2;
#ifdef CONFIG_LOOPBACK_SENSOR_DRIVER
loopback_sensor = create_nxp_loopback_sensor(pdata->captures);
if (!loopback_sensor) {
pr_err("%s: failed to create_nxp_loopback_sensor()\n", __func__);
ret = -EINVAL;
goto err_loopback_sensor_create;
}
ret = register_nxp_loopback_sensor(loopback_sensor);
if (ret < 0) {
pr_err("%s: failed to register_nxp_loopback_sensor()\n", __func__);
goto err_loopback_sensor_create;
}
nxp_v4l2->loopback_sensor = loopback_sensor;
#endif
#ifdef CONFIG_VIDEO_NXP_CAPTURE
/* capture */
for (capture_pdata = pdata->captures, i = 0;
capture_pdata->sensor;
capture_pdata++, i++) {
/* TODO : psw0523 test for module index problem !!! */
/* capture = create_nxp_capture(i, capture_pdata); */
capture = create_nxp_capture(i, capture_pdata->module, capture_pdata);
if (!capture) {
pr_err("%s: failed to %dth create_nxp_capture()\n", __func__, i);
ret = -EINVAL;
goto err_capture_create;
}
ret = register_nxp_capture(capture);
if (ret < 0) {
pr_err("%s: failed to %dth register_nxp_capture()\n", __func__, i);
goto err_capture_create;
}
nxp_v4l2->capture[i] = capture;
}
#endif
#ifdef CONFIG_NXP_M2M_SCALER
/* m2m */
scaler = create_nxp_scaler();
if (!scaler) {
pr_err("%s: failed to create_nxp_scaler()\n", __func__);
ret = -ENOMEM;
#ifdef CONFIG_VIDEO_NXP_CAPTURE
goto err_capture_create;
#else
goto err_media_reg;
#endif
}
ret = register_nxp_scaler(scaler);
if (ret < 0) {
pr_err("%s: failed to nxp_scaler_register()\n", __func__);
goto err_register_scaler;
}
nxp_v4l2->scaler = scaler;
#endif
#ifdef CONFIG_VIDEO_NXP_OUT
/* out */
nxp_v4l2->out = create_nxp_out(pdata->out);
if (!nxp_v4l2->out) {
pr_err("%s: failed to create_nxp_out()\n", __func__);
goto err_create_out;
}
ret = register_nxp_out(nxp_v4l2->out);
if (ret < 0) {
pr_err("%s: failed to register_nxp_out()\n", __func__);
goto err_register_out;
}
#endif
ret = v4l2_device_register_subdev_nodes(&nxp_v4l2->v4l2_dev);
if (ret < 0) {
pr_err("%s: failed to v4l2_device_register_subdev_nodes()\n", __func__);
goto err_register_out_subdev;
}
platform_set_drvdata(pdev, nxp_v4l2);
// printk("%s success!!!\n", __func__);
return 0;
err_register_out_subdev:
#ifdef CONFIG_VIDEO_NXP_OUT
unregister_nxp_out(nxp_v4l2->out);
err_register_out:
release_nxp_out(nxp_v4l2->out);
err_create_out:
#endif
#ifdef CONFIG_NXP_M2M_SCALER
unregister_nxp_scaler(scaler);
err_register_scaler:
release_nxp_scaler(scaler);
#endif
#ifdef CONFIG_VIDEO_NXP_CAPTURE
err_capture_create:
for (i = 0; i < NXP_MAX_CAPTURE_NUM; ++i) {
capture = nxp_v4l2->capture[i];
if (capture) {
unregister_nxp_capture(capture);
release_nxp_capture(capture);
}
}
media_device_unregister(&nxp_v4l2->media_dev);
#endif
#ifdef CONFIG_LOOPBACK_SENSOR_DRIVER
err_loopback_sensor_create:
if( loopback_sensor )
{
unregister_nxp_loopback_sensor(loopback_sensor);
release_nxp_loopback_sensor(loopback_sensor);
}
#endif
err_media_reg:
v4l2_device_unregister(&nxp_v4l2->v4l2_dev);
err_v4l2_reg:
vb2_ion_destroy_context(nxp_v4l2->alloc_ctx);
err_alloc_ctx:
kfree(nxp_v4l2);
__me = NULL;
return ret;
}
