static void atomisp_unregister_entities(struct atomisp_device *isp)
{
atomisp_subdev_unregister_entities(&isp->isp_subdev);
atomisp_tpg_unregister_entities(&isp->tpg);
atomisp_file_input_unregister_entities(&isp->file_dev);
atomisp_mipi_csi2_unregister_entities(&isp->csi2_1p);
atomisp_mipi_csi2_unregister_entities(&isp->csi2_4p);
v4l2_device_unregister(&isp->v4l2_dev);
media_device_unregister(&isp->media_dev);
}
static int __devexit mdev_remove(struct platform_device *pdev)
{
struct exynos_md *mdev = platform_get_drvdata(pdev);
if (!mdev)
return 0;
media_device_unregister(&mdev->media_dev);
v4l2_device_unregister(&mdev->v4l2_dev);
kfree(mdev);
return 0;
}
static void iss_unregister_entities(struct iss_device *iss)
{
omap4iss_resizer_unregister_entities(&iss->resizer);
omap4iss_ipipe_unregister_entities(&iss->ipipe);
omap4iss_ipipeif_unregister_entities(&iss->ipipeif);
omap4iss_csi2_unregister_entities(&iss->csi2a);
omap4iss_csi2_unregister_entities(&iss->csi2b);
v4l2_device_unregister(&iss->v4l2_dev);
media_device_unregister(&iss->media_dev);
}
static void smsdvb_media_device_unregister(struct smsdvb_client_t *client)
{
#ifdef CPTCFG_MEDIA_CONTROLLER_DVB
struct smscore_device_t *coredev = client->coredev;
if (!coredev->media_dev)
return;
media_device_unregister(coredev->media_dev);
kfree(coredev->media_dev);
coredev->media_dev = NULL;
#endif
}
static int __devexit fimc_md_remove(struct platform_device *pdev)
{
struct fimc_md *fmd = platform_get_drvdata(pdev);
if (!fmd)
return 0;
device_remove_file(&pdev->dev, &dev_attr_subdev_conf_mode);
fimc_md_unregister_entities(fmd);
media_device_unregister(&fmd->media_dev);
fimc_md_put_clocks(fmd);
return 0;
}
static void atomisp_unregister_entities(struct atomisp_device *isp)
{
unsigned int i;
for (i = 0; i < isp->num_of_streams; i++)
atomisp_subdev_unregister_entities(&isp->isp_subdev[i]);
atomisp_tpg_unregister_entities(&isp->tpg);
atomisp_file_input_unregister_entities(&isp->file_dev);
for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++)
atomisp_mipi_csi2_unregister_entities(&isp->csi2_port[i]);
v4l2_device_unregister(&isp->v4l2_dev);
media_device_unregister(&isp->media_dev);
}
static int s3c_camif_remove(struct platform_device *pdev)
{
struct camif_dev *camif = platform_get_drvdata(pdev);
struct s3c_camif_plat_data *pdata = &camif->pdata;
media_device_unregister(&camif->media_dev);
camif_unregister_media_entities(camif);
v4l2_device_unregister(&camif->v4l2_dev);
pm_runtime_disable(&pdev->dev);
camif_clk_put(camif);
pdata->gpio_put();
return 0;
}
static int imx_media_remove(struct platform_device *pdev)
{
struct imx_media_dev *imxmd =
(struct imx_media_dev *)platform_get_drvdata(pdev);
v4l2_info(&imxmd->v4l2_dev, "Removing imx-media\n");
v4l2_async_notifier_unregister(&imxmd->notifier);
imx_media_unregister_ipu_internal_subdevs(imxmd);
v4l2_async_notifier_cleanup(&imxmd->notifier);
media_device_unregister(&imxmd->md);
v4l2_device_unregister(&imxmd->v4l2_dev);
media_device_cleanup(&imxmd->md);
return 0;
}
static void au0828_unregister_media_device(struct au0828_dev *dev)
{
#ifdef CONFIG_MEDIA_CONTROLLER
if (dev->media_dev &&
media_devnode_is_registered(&dev->media_dev->devnode)) {
/* clear enable_source, disable_source */
dev->media_dev->source_priv = NULL;
dev->media_dev->enable_source = NULL;
dev->media_dev->disable_source = NULL;
media_device_unregister(dev->media_dev);
media_device_cleanup(dev->media_dev);
kfree(dev->media_dev);
dev->media_dev = NULL;
}
#endif
}
static int rockchip_vpu_remove(struct platform_device *pdev)
{
struct rockchip_vpu_dev *vpu = platform_get_drvdata(pdev);
v4l2_info(&vpu->v4l2_dev, "Removing %s\n", pdev->name);
media_device_unregister(&vpu->mdev);
v4l2_m2m_unregister_media_controller(vpu->m2m_dev);
v4l2_m2m_release(vpu->m2m_dev);
media_device_cleanup(&vpu->mdev);
if (vpu->vfd_enc) {
video_unregister_device(vpu->vfd_enc);
video_device_release(vpu->vfd_enc);
}
v4l2_device_unregister(&vpu->v4l2_dev);
clk_bulk_unprepare(vpu->variant->num_clocks, vpu->clocks);
pm_runtime_disable(vpu->dev);
return 0;
}
static int __devexit nxp_v4l2_remove(struct platform_device *pdev)
{
struct nxp_v4l2 *nxp_v4l2 = platform_get_drvdata(pdev);
#ifdef CONFIG_VIDEO_NXP_CAPTURE
int i;
#endif
if (!nxp_v4l2)
return 0;
#ifdef CONFIG_VIDEO_NXP_OUT
unregister_nxp_out(nxp_v4l2->out);
release_nxp_out(nxp_v4l2->out);
#endif
#ifdef CONFIG_NXP_M2M_SCALER
if (nxp_v4l2->scaler) {
unregister_nxp_scaler(nxp_v4l2->scaler);
release_nxp_scaler(nxp_v4l2->scaler);
}
#endif
#ifdef CONFIG_VIDEO_NXP_CAPTURE
for (i = 0; i < NXP_MAX_CAPTURE_NUM; ++i) {
struct nxp_capture *capture = nxp_v4l2->capture[i];
if (capture) {
unregister_nxp_capture(capture);
release_nxp_capture(capture);
}
}
#endif
media_device_unregister(&nxp_v4l2->media_dev);
v4l2_device_unregister(&nxp_v4l2->v4l2_dev);
vb2_ion_destroy_context(nxp_v4l2->alloc_ctx);
kfree(nxp_v4l2);
__me = NULL;
return 0;
}
static int imx7_csi_remove(struct platform_device *pdev)
{
struct v4l2_subdev *sd = platform_get_drvdata(pdev);
struct imx7_csi *csi = v4l2_get_subdevdata(sd);
struct imx_media_dev *imxmd = csi->imxmd;
v4l2_async_notifier_unregister(&imxmd->notifier);
v4l2_async_notifier_cleanup(&imxmd->notifier);
media_device_unregister(&imxmd->md);
v4l2_device_unregister(&imxmd->v4l2_dev);
media_device_cleanup(&imxmd->md);
imx_media_capture_device_unregister(csi->vdev);
imx_media_capture_device_remove(csi->vdev);
v4l2_async_unregister_subdev(sd);
v4l2_ctrl_handler_free(&csi->ctrl_hdlr);
mutex_destroy(&csi->lock);
return 0;
}
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 imx7_csi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *node = dev->of_node;
struct imx_media_dev *imxmd;
struct imx7_csi *csi;
int ret;
csi = devm_kzalloc(&pdev->dev, sizeof(*csi), GFP_KERNEL);
if (!csi)
return -ENOMEM;
csi->dev = dev;
csi->mclk = devm_clk_get(&pdev->dev, "mclk");
if (IS_ERR(csi->mclk)) {
ret = PTR_ERR(csi->mclk);
dev_err(dev, "Failed to get mclk: %d", ret);
return ret;
}
csi->irq = platform_get_irq(pdev, 0);
if (csi->irq < 0) {
dev_err(dev, "Missing platform resources data\n");
return csi->irq;
}
csi->regbase = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(csi->regbase)) {
dev_err(dev, "Failed platform resources map\n");
return PTR_ERR(csi->regbase);
}
spin_lock_init(&csi->irqlock);
mutex_init(&csi->lock);
/* install interrupt handler */
ret = devm_request_irq(dev, csi->irq, imx7_csi_irq_handler, 0, "csi",
(void *)csi);
if (ret < 0) {
dev_err(dev, "Request CSI IRQ failed.\n");
goto destroy_mutex;
}
/* add media device */
imxmd = imx_media_dev_init(dev, NULL);
if (IS_ERR(imxmd)) {
ret = PTR_ERR(imxmd);
goto destroy_mutex;
}
platform_set_drvdata(pdev, &csi->sd);
ret = imx_media_of_add_csi(imxmd, node);
if (ret < 0 && ret != -ENODEV && ret != -EEXIST)
goto cleanup;
ret = imx_media_dev_notifier_register(imxmd, NULL);
if (ret < 0)
goto cleanup;
csi->imxmd = imxmd;
v4l2_subdev_init(&csi->sd, &imx7_csi_subdev_ops);
v4l2_set_subdevdata(&csi->sd, csi);
csi->sd.internal_ops = &imx7_csi_internal_ops;
csi->sd.entity.ops = &imx7_csi_entity_ops;
csi->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
csi->sd.dev = &pdev->dev;
csi->sd.owner = THIS_MODULE;
csi->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
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.dev, &csi->sd,
IMX7_CSI_PAD_SRC);
if (IS_ERR(csi->vdev))
return PTR_ERR(csi->vdev);
v4l2_ctrl_handler_init(&csi->ctrl_hdlr, 0);
csi->sd.ctrl_handler = &csi->ctrl_hdlr;
ret = v4l2_async_register_fwnode_subdev(&csi->sd,
sizeof(struct v4l2_async_subdev),
NULL, 0,
imx7_csi_parse_endpoint);
if (ret)
goto free;
return 0;
free:
imx_media_capture_device_unregister(csi->vdev);
imx_media_capture_device_remove(csi->vdev);
v4l2_ctrl_handler_free(&csi->ctrl_hdlr);
cleanup:
v4l2_async_notifier_cleanup(&imxmd->notifier);
v4l2_device_unregister(&imxmd->v4l2_dev);
media_device_unregister(&imxmd->md);
media_device_cleanup(&imxmd->md);
destroy_mutex:
mutex_destroy(&csi->lock);
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 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;
}
int camera_init_v4l2(struct device *dev, unsigned int *session)
{
struct msm_video_device *pvdev;
struct v4l2_device *v4l2_dev;
int rc = 0;
pvdev = kzalloc(sizeof(struct msm_video_device),
GFP_KERNEL);
if (WARN_ON(!pvdev)) {
rc = -ENOMEM;
goto init_end;
}
pvdev->vdev = video_device_alloc();
if (WARN_ON(!pvdev->vdev)) {
rc = -ENOMEM;
goto video_fail;
}
v4l2_dev = kzalloc(sizeof(struct v4l2_device), GFP_KERNEL);
if (WARN_ON(!v4l2_dev)) {
rc = -ENOMEM;
goto v4l2_fail;
}
#if defined(CONFIG_MEDIA_CONTROLLER)
v4l2_dev->mdev = kzalloc(sizeof(struct media_device),
GFP_KERNEL);
if (!v4l2_dev->mdev) {
rc = -ENOMEM;
goto mdev_fail;
}
strlcpy(v4l2_dev->mdev->model, MSM_CAMERA_NAME,
sizeof(v4l2_dev->mdev->model));
v4l2_dev->mdev->dev = dev;
rc = media_device_register(v4l2_dev->mdev);
if (WARN_ON(rc < 0))
goto media_fail;
rc = media_entity_init(&pvdev->vdev->entity, 0, NULL, 0);
if (WARN_ON(rc < 0))
goto entity_fail;
pvdev->vdev->entity.type = MEDIA_ENT_T_DEVNODE_V4L;
pvdev->vdev->entity.group_id = QCAMERA_VNODE_GROUP_ID;
#endif
v4l2_dev->notify = NULL;
pvdev->vdev->v4l2_dev = v4l2_dev;
rc = v4l2_device_register(dev, pvdev->vdev->v4l2_dev);
if (WARN_ON(rc < 0))
goto register_fail;
strlcpy(pvdev->vdev->name, "msm-sensor", sizeof(pvdev->vdev->name));
pvdev->vdev->release = video_device_release;
pvdev->vdev->fops = &camera_v4l2_fops;
pvdev->vdev->ioctl_ops = &camera_v4l2_ioctl_ops;
pvdev->vdev->minor = -1;
pvdev->vdev->vfl_type = VFL_TYPE_GRABBER;
rc = video_register_device(pvdev->vdev,
VFL_TYPE_GRABBER, -1);
if (WARN_ON(rc < 0))
goto video_register_fail;
#if defined(CONFIG_MEDIA_CONTROLLER)
/* FIXME: How to get rid of this messy? */
pvdev->vdev->entity.name = video_device_node_name(pvdev->vdev);
#endif
*session = pvdev->vdev->num;
atomic_set(&pvdev->opened, 0);
atomic_set(&pvdev->stream_cnt, 0);
video_set_drvdata(pvdev->vdev, pvdev);
device_init_wakeup(&pvdev->vdev->dev, 1);
if(!cam_wakelock_init)
{
cam_wakelock_init = 1;
wake_lock_init(&cam_wakelock, WAKE_LOCK_SUSPEND, "cam_wakelock");
}
goto init_end;
video_register_fail:
v4l2_device_unregister(pvdev->vdev->v4l2_dev);
register_fail:
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&pvdev->vdev->entity);
entity_fail:
media_device_unregister(v4l2_dev->mdev);
media_fail:
kzfree(v4l2_dev->mdev);
mdev_fail:
#endif
kzfree(v4l2_dev);
v4l2_fail:
video_device_release(pvdev->vdev);
video_fail:
kzfree(pvdev);
init_end:
return rc;
}
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 __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;
}
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 int32_t cam_dummy_platform_probe(struct platform_device *pdev)
{
int32_t rc = 0;
const struct of_device_id *match;
struct msm_video_device *pvdev;
/* init_waitqueue_head(&cam_dummy_queue.state_wait);*/
pr_err("%s:%d\n", __func__, __LINE__);
match = of_match_device(cam_dummy_dt_match, &pdev->dev);
msm_v4l2_dev = kzalloc(sizeof(*msm_v4l2_dev),
GFP_KERNEL);
if (WARN_ON(!msm_v4l2_dev)) {
rc = -ENOMEM;
goto probe_end;
}
pvdev = kzalloc(sizeof(struct msm_video_device),
GFP_KERNEL);
if (WARN_ON(!pvdev)) {
rc = -ENOMEM;
goto pvdev_fail;
}
pvdev->vdev = video_device_alloc();
if (WARN_ON(!pvdev->vdev)) {
rc = -ENOMEM;
goto video_fail;
}
#if defined(CONFIG_MEDIA_CONTROLLER)
msm_v4l2_dev->mdev = kzalloc(sizeof(struct media_device),
GFP_KERNEL);
if (!msm_v4l2_dev->mdev) {
rc = -ENOMEM;
goto mdev_fail;
}
strlcpy(msm_v4l2_dev->mdev->model, MSM_CAMERA_DUMMY_NAME,
sizeof(msm_v4l2_dev->mdev->model));
msm_v4l2_dev->mdev->dev = &(pdev->dev);
rc = media_device_register(msm_v4l2_dev->mdev);
if (WARN_ON(rc < 0))
goto media_fail;
if (WARN_ON((rc == media_entity_init(&pvdev->vdev->entity,
0, NULL, 0)) < 0))
goto entity_fail;
pvdev->vdev->entity.type = MEDIA_ENT_T_DEVNODE_V4L;
pvdev->vdev->entity.group_id = QCAMERA_VNODE_GROUP_ID;
#endif
pvdev->vdev->v4l2_dev = msm_v4l2_dev;
rc = v4l2_device_register(&(pdev->dev), pvdev->vdev->v4l2_dev);
if (WARN_ON(rc < 0))
goto register_fail;
strlcpy(pvdev->vdev->name, "msm-camdummy", sizeof(pvdev->vdev->name));
pvdev->vdev->release = video_device_release;
pvdev->vdev->fops = &msm_fops_config;
pvdev->vdev->minor = -1;
pvdev->vdev->vfl_type = VFL_TYPE_GRABBER;
rc = video_register_device(pvdev->vdev,
VFL_TYPE_GRABBER, -1);
if (WARN_ON(rc < 0))
goto v4l2_fail;
#if defined(CONFIG_MEDIA_CONTROLLER)
/* FIXME: How to get rid of this messy? */
pvdev->vdev->entity.name = video_device_node_name(pvdev->vdev);
#endif
atomic_set(&pvdev->opened, 0);
video_set_drvdata(pvdev->vdev, pvdev);
goto probe_end;
v4l2_fail:
v4l2_device_unregister(pvdev->vdev->v4l2_dev);
register_fail:
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&pvdev->vdev->entity);
entity_fail:
media_device_unregister(msm_v4l2_dev->mdev);
media_fail:
kzfree(msm_v4l2_dev->mdev);
mdev_fail:
#endif
video_device_release(pvdev->vdev);
video_fail:
kzfree(pvdev);
pvdev_fail:
kzfree(msm_v4l2_dev);
probe_end:
return rc;
}
int
hwcam_dev_create(
struct device* dev,
int* dev_num)
{
int rc = 0;
struct v4l2_device* v4l2 = NULL;
struct video_device* vdev = NULL;
struct media_device* mdev = NULL;
hwcam_dev_t* cam = NULL;
cam = kzalloc(sizeof(hwcam_dev_t), GFP_KERNEL);
if (WARN_ON(!cam)) {
rc = -ENOMEM;
goto init_end;
}
v4l2 = &cam->v4l2;
vdev = video_device_alloc();
if (!vdev) {
rc = -ENOMEM;
goto video_alloc_fail;
}
mdev = kzalloc(sizeof(struct media_device), GFP_KERNEL);
if (!mdev) {
rc = -ENOMEM;
goto media_alloc_fail;
}
strlcpy(mdev->model, HWCAM_MODEL_USER, sizeof(mdev->model));
mdev->dev = dev;
rc = media_device_register(mdev);
if (rc < 0) {
goto media_register_fail;
}
rc = media_entity_init(&vdev->entity, 0, NULL, 0);
if (rc < 0) {
goto entity_init_fail;
}
v4l2->mdev = mdev;
v4l2->notify = NULL;
rc = v4l2_device_register(dev, v4l2);
if (rc < 0) {
goto v4l2_register_fail;
}
strlcpy(vdev->name, "hwcam-userdev", sizeof(vdev->name));
vdev->entity.type = MEDIA_ENT_T_DEVNODE_V4L;
vdev->entity.group_id = HWCAM_DEVICE_GROUP_ID;
vdev->v4l2_dev = v4l2;
vdev->release = video_device_release;
vdev->fops = &s_fops_hwcam_dev;
vdev->ioctl_ops = &s_iops_hwcam_dev;
vdev->minor = -1;
vdev->vfl_type = VFL_TYPE_GRABBER;
rc = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
if (rc < 0) {
goto video_register_fail;
}
cam_debug("video dev name %s %s",vdev->dev.kobj.name,vdev->name);
mutex_init(&cam->lock);
vdev->lock = &cam->lock;
vdev->entity.name = video_device_node_name(vdev);
video_set_drvdata(vdev, cam);
cam->vdev = vdev;
cam->mdev = mdev;
cam->intf.vtbl = &s_vtbl_hwcam_dev;
*dev_num = vdev->num;
goto init_end;
video_register_fail:
v4l2_device_unregister(v4l2);
v4l2_register_fail:
media_entity_cleanup(&vdev->entity);
entity_init_fail:
media_device_unregister(mdev);
media_register_fail:
kzfree(mdev);
media_alloc_fail:
video_device_release(vdev);
video_alloc_fail:
kzfree(cam);
init_end:
return rc;
}
static void unicam_unregister_entities(struct unicam_device *unicam)
{
kona_unicam_csi2_unregister_entities(&unicam->csi2a);
v4l2_device_unregister(&unicam->v4l2_dev);
media_device_unregister(&unicam->media_dev);
}
