return 0;
}
-static int radio_isa_subscribe_event(struct v4l2_fh *fh,
- struct v4l2_event_subscription *sub)
-{
- if (sub->type == V4L2_EVENT_CTRL)
- return v4l2_event_subscribe(fh, sub, 0);
- return -EINVAL;
-}
-
static const struct v4l2_ctrl_ops radio_isa_ctrl_ops = {
.s_ctrl = radio_isa_s_ctrl,
};
.vidioc_g_frequency = radio_isa_g_frequency,
.vidioc_s_frequency = radio_isa_s_frequency,
.vidioc_log_status = radio_isa_log_status,
- .vidioc_subscribe_event = radio_isa_subscribe_event,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
return false;
}
-int radio_isa_probe(struct device *pdev, unsigned int dev)
+struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv,
+ struct device *pdev)
{
- struct radio_isa_driver *drv = pdev->platform_data;
- const struct radio_isa_ops *ops = drv->ops;
struct v4l2_device *v4l2_dev;
- struct radio_isa_card *isa;
- int res;
+ struct radio_isa_card *isa = drv->ops->alloc();
+ if (!isa)
+ return NULL;
- isa = drv->ops->alloc();
- if (isa == NULL)
- return -ENOMEM;
dev_set_drvdata(pdev, isa);
isa->drv = drv;
- isa->io = drv->io_params[dev];
v4l2_dev = &isa->v4l2_dev;
strlcpy(v4l2_dev->name, dev_name(pdev), sizeof(v4l2_dev->name));
- if (drv->probe && ops->probe) {
- int i;
-
- for (i = 0; i < drv->num_of_io_ports; ++i) {
- int io = drv->io_ports[i];
-
- if (request_region(io, drv->region_size, v4l2_dev->name)) {
- bool found = ops->probe(isa, io);
-
- release_region(io, drv->region_size);
- if (found) {
- isa->io = io;
- break;
- }
- }
- }
- }
-
- if (!radio_isa_valid_io(drv, isa->io)) {
- int i;
+ return isa;
+}
- if (isa->io < 0)
- return -ENODEV;
- v4l2_err(v4l2_dev, "you must set an I/O address with io=0x%03x",
- drv->io_ports[0]);
- for (i = 1; i < drv->num_of_io_ports; i++)
- printk(KERN_CONT "/0x%03x", drv->io_ports[i]);
- printk(KERN_CONT ".\n");
- kfree(isa);
- return -EINVAL;
- }
+int radio_isa_common_probe(struct radio_isa_card *isa, struct device *pdev,
+ int radio_nr, unsigned region_size)
+{
+ const struct radio_isa_driver *drv = isa->drv;
+ const struct radio_isa_ops *ops = drv->ops;
+ struct v4l2_device *v4l2_dev = &isa->v4l2_dev;
+ int res;
- if (!request_region(isa->io, drv->region_size, v4l2_dev->name)) {
+ if (!request_region(isa->io, region_size, v4l2_dev->name)) {
v4l2_err(v4l2_dev, "port 0x%x already in use\n", isa->io);
kfree(isa);
return -EBUSY;
res = ops->s_stereo(isa, isa->stereo);
if (res < 0) {
v4l2_err(v4l2_dev, "Could not setup card\n");
- goto err_node_reg;
+ goto err_hdl;
}
- res = video_register_device(&isa->vdev, VFL_TYPE_RADIO,
- drv->radio_nr_params[dev]);
+ res = video_register_device(&isa->vdev, VFL_TYPE_RADIO, radio_nr);
+
if (res < 0) {
v4l2_err(v4l2_dev, "Could not register device node\n");
- goto err_node_reg;
+ goto err_hdl;
}
v4l2_info(v4l2_dev, "Initialized radio card %s on port 0x%03x\n",
drv->card, isa->io);
return 0;
-err_node_reg:
- v4l2_ctrl_handler_free(&isa->hdl);
err_hdl:
- v4l2_device_unregister(&isa->v4l2_dev);
+ v4l2_ctrl_handler_free(&isa->hdl);
err_dev_reg:
- release_region(isa->io, drv->region_size);
+ release_region(isa->io, region_size);
kfree(isa);
return res;
}
-EXPORT_SYMBOL_GPL(radio_isa_probe);
-int radio_isa_remove(struct device *pdev, unsigned int dev)
+int radio_isa_common_remove(struct radio_isa_card *isa, unsigned region_size)
{
- struct radio_isa_card *isa = dev_get_drvdata(pdev);
const struct radio_isa_ops *ops = isa->drv->ops;
ops->s_mute_volume(isa, true, isa->volume ? isa->volume->cur.val : 0);
video_unregister_device(&isa->vdev);
v4l2_ctrl_handler_free(&isa->hdl);
v4l2_device_unregister(&isa->v4l2_dev);
- release_region(isa->io, isa->drv->region_size);
+ release_region(isa->io, region_size);
v4l2_info(&isa->v4l2_dev, "Removed radio card %s\n", isa->drv->card);
kfree(isa);
return 0;
}
+
+int radio_isa_probe(struct device *pdev, unsigned int dev)
+{
+ struct radio_isa_driver *drv = pdev->platform_data;
+ const struct radio_isa_ops *ops = drv->ops;
+ struct v4l2_device *v4l2_dev;
+ struct radio_isa_card *isa;
+
+ isa = radio_isa_alloc(drv, pdev);
+ if (!isa)
+ return -ENOMEM;
+ isa->io = drv->io_params[dev];
+ v4l2_dev = &isa->v4l2_dev;
+
+ if (drv->probe && ops->probe) {
+ int i;
+
+ for (i = 0; i < drv->num_of_io_ports; ++i) {
+ int io = drv->io_ports[i];
+
+ if (request_region(io, drv->region_size, v4l2_dev->name)) {
+ bool found = ops->probe(isa, io);
+
+ release_region(io, drv->region_size);
+ if (found) {
+ isa->io = io;
+ break;
+ }
+ }
+ }
+ }
+
+ if (!radio_isa_valid_io(drv, isa->io)) {
+ int i;
+
+ if (isa->io < 0)
+ return -ENODEV;
+ v4l2_err(v4l2_dev, "you must set an I/O address with io=0x%03x",
+ drv->io_ports[0]);
+ for (i = 1; i < drv->num_of_io_ports; i++)
+ printk(KERN_CONT "/0x%03x", drv->io_ports[i]);
+ printk(KERN_CONT ".\n");
+ kfree(isa);
+ return -EINVAL;
+ }
+
+ return radio_isa_common_probe(isa, pdev, drv->radio_nr_params[dev],
+ drv->region_size);
+}
+EXPORT_SYMBOL_GPL(radio_isa_probe);
+
+int radio_isa_remove(struct device *pdev, unsigned int dev)
+{
+ struct radio_isa_card *isa = dev_get_drvdata(pdev);
+
+ return radio_isa_common_remove(isa, isa->drv->region_size);
+}
EXPORT_SYMBOL_GPL(radio_isa_remove);
+
+#ifdef CONFIG_PNP
+int radio_isa_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
+{
+ struct pnp_driver *pnp_drv = to_pnp_driver(dev->dev.driver);
+ struct radio_isa_driver *drv = container_of(pnp_drv,
+ struct radio_isa_driver, pnp_driver);
+ struct radio_isa_card *isa;
+
+ if (!pnp_port_valid(dev, 0))
+ return -ENODEV;
+
+ isa = radio_isa_alloc(drv, &dev->dev);
+ if (!isa)
+ return -ENOMEM;
+
+ isa->io = pnp_port_start(dev, 0);
+
+ return radio_isa_common_probe(isa, &dev->dev, drv->radio_nr_params[0],
+ pnp_port_len(dev, 0));
+}
+EXPORT_SYMBOL_GPL(radio_isa_pnp_probe);
+
+void radio_isa_pnp_remove(struct pnp_dev *dev)
+{
+ struct radio_isa_card *isa = dev_get_drvdata(&dev->dev);
+
+ radio_isa_common_remove(isa, pnp_port_len(dev, 0));
+}
+EXPORT_SYMBOL_GPL(radio_isa_pnp_remove);
+#endif
projects / firefly-linux-kernel-4.4.55.git / blobdiff