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path: root/drivers/media/radio/radio-timb.c
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Diffstat (limited to 'drivers/media/radio/radio-timb.c')
-rw-r--r--drivers/media/radio/radio-timb.c116
1 files changed, 29 insertions, 87 deletions
diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c
index a185610b376..0817964d917 100644
--- a/drivers/media/radio/radio-timb.c
+++ b/drivers/media/radio/radio-timb.c
@@ -16,14 +16,16 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/version.h>
#include <linux/io.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/i2c.h>
+#include <linux/module.h>
#include <media/timb_radio.h>
#define DRIVER_NAME "timb-radio"
@@ -44,8 +46,8 @@ static int timbradio_vidioc_querycap(struct file *file, void *priv,
strlcpy(v->driver, DRIVER_NAME, sizeof(v->driver));
strlcpy(v->card, "Timberdale Radio", sizeof(v->card));
snprintf(v->bus_info, sizeof(v->bus_info), "platform:"DRIVER_NAME);
- v->version = KERNEL_VERSION(0, 0, 1);
- v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ v->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -57,42 +59,14 @@ static int timbradio_vidioc_g_tuner(struct file *file, void *priv,
}
static int timbradio_vidioc_s_tuner(struct file *file, void *priv,
- struct v4l2_tuner *v)
+ const struct v4l2_tuner *v)
{
struct timbradio *tr = video_drvdata(file);
return v4l2_subdev_call(tr->sd_tuner, tuner, s_tuner, v);
}
-static int timbradio_vidioc_g_input(struct file *filp, void *priv,
- unsigned int *i)
-{
- *i = 0;
- return 0;
-}
-
-static int timbradio_vidioc_s_input(struct file *filp, void *priv,
- unsigned int i)
-{
- return i ? -EINVAL : 0;
-}
-
-static int timbradio_vidioc_g_audio(struct file *file, void *priv,
- struct v4l2_audio *a)
-{
- a->index = 0;
- strlcpy(a->name, "Radio", sizeof(a->name));
- a->capability = V4L2_AUDCAP_STEREO;
- return 0;
-}
-
-static int timbradio_vidioc_s_audio(struct file *file, void *priv,
- struct v4l2_audio *a)
-{
- return a->index ? -EINVAL : 0;
-}
-
static int timbradio_vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct timbradio *tr = video_drvdata(file);
return v4l2_subdev_call(tr->sd_tuner, tuner, s_frequency, f);
@@ -105,48 +79,26 @@ static int timbradio_vidioc_g_frequency(struct file *file, void *priv,
return v4l2_subdev_call(tr->sd_tuner, tuner, g_frequency, f);
}
-static int timbradio_vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc)
-{
- struct timbradio *tr = video_drvdata(file);
- return v4l2_subdev_call(tr->sd_dsp, core, queryctrl, qc);
-}
-
-static int timbradio_vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct timbradio *tr = video_drvdata(file);
- return v4l2_subdev_call(tr->sd_dsp, core, g_ctrl, ctrl);
-}
-
-static int timbradio_vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct timbradio *tr = video_drvdata(file);
- return v4l2_subdev_call(tr->sd_dsp, core, s_ctrl, ctrl);
-}
-
static const struct v4l2_ioctl_ops timbradio_ioctl_ops = {
.vidioc_querycap = timbradio_vidioc_querycap,
.vidioc_g_tuner = timbradio_vidioc_g_tuner,
.vidioc_s_tuner = timbradio_vidioc_s_tuner,
.vidioc_g_frequency = timbradio_vidioc_g_frequency,
.vidioc_s_frequency = timbradio_vidioc_s_frequency,
- .vidioc_g_input = timbradio_vidioc_g_input,
- .vidioc_s_input = timbradio_vidioc_s_input,
- .vidioc_g_audio = timbradio_vidioc_g_audio,
- .vidioc_s_audio = timbradio_vidioc_s_audio,
- .vidioc_queryctrl = timbradio_vidioc_queryctrl,
- .vidioc_g_ctrl = timbradio_vidioc_g_ctrl,
- .vidioc_s_ctrl = timbradio_vidioc_s_ctrl
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static const struct v4l2_file_operations timbradio_fops = {
.owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = v4l2_fh_release,
+ .poll = v4l2_ctrl_poll,
.unlocked_ioctl = video_ioctl2,
};
-static int __devinit timbradio_probe(struct platform_device *pdev)
+static int timbradio_probe(struct platform_device *pdev)
{
struct timb_radio_platform_data *pdata = pdev->dev.platform_data;
struct timbradio *tr;
@@ -158,7 +110,7 @@ static int __devinit timbradio_probe(struct platform_device *pdev)
goto err;
}
- tr = kzalloc(sizeof(*tr), GFP_KERNEL);
+ tr = devm_kzalloc(&pdev->dev, sizeof(*tr), GFP_KERNEL);
if (!tr) {
err = -ENOMEM;
goto err;
@@ -174,14 +126,24 @@ static int __devinit timbradio_probe(struct platform_device *pdev)
tr->video_dev.release = video_device_release_empty;
tr->video_dev.minor = -1;
tr->video_dev.lock = &tr->lock;
+ set_bit(V4L2_FL_USE_FH_PRIO, &tr->video_dev.flags);
strlcpy(tr->v4l2_dev.name, DRIVER_NAME, sizeof(tr->v4l2_dev.name));
err = v4l2_device_register(NULL, &tr->v4l2_dev);
if (err)
- goto err_v4l2_dev;
+ goto err;
tr->video_dev.v4l2_dev = &tr->v4l2_dev;
+ tr->sd_tuner = v4l2_i2c_new_subdev_board(&tr->v4l2_dev,
+ i2c_get_adapter(pdata->i2c_adapter), pdata->tuner, NULL);
+ tr->sd_dsp = v4l2_i2c_new_subdev_board(&tr->v4l2_dev,
+ i2c_get_adapter(pdata->i2c_adapter), pdata->dsp, NULL);
+ if (tr->sd_tuner == NULL || tr->sd_dsp == NULL)
+ goto err_video_req;
+
+ tr->v4l2_dev.ctrl_handler = tr->sd_dsp->ctrl_handler;
+
err = video_register_device(&tr->video_dev, VFL_TYPE_RADIO, -1);
if (err) {
dev_err(&pdev->dev, "Error reg video\n");
@@ -194,27 +156,19 @@ static int __devinit timbradio_probe(struct platform_device *pdev)
return 0;
err_video_req:
- video_device_release_empty(&tr->video_dev);
v4l2_device_unregister(&tr->v4l2_dev);
-err_v4l2_dev:
- kfree(tr);
err:
dev_err(&pdev->dev, "Failed to register: %d\n", err);
return err;
}
-static int __devexit timbradio_remove(struct platform_device *pdev)
+static int timbradio_remove(struct platform_device *pdev)
{
struct timbradio *tr = platform_get_drvdata(pdev);
video_unregister_device(&tr->video_dev);
- video_device_release_empty(&tr->video_dev);
-
v4l2_device_unregister(&tr->v4l2_dev);
-
- kfree(tr);
-
return 0;
}
@@ -227,22 +181,10 @@ static struct platform_driver timbradio_platform_driver = {
.remove = timbradio_remove,
};
-/*--------------------------------------------------------------------------*/
-
-static int __init timbradio_init(void)
-{
- return platform_driver_register(&timbradio_platform_driver);
-}
-
-static void __exit timbradio_exit(void)
-{
- platform_driver_unregister(&timbradio_platform_driver);
-}
-
-module_init(timbradio_init);
-module_exit(timbradio_exit);
+module_platform_driver(timbradio_platform_driver);
MODULE_DESCRIPTION("Timberdale Radio driver");
MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
MODULE_LICENSE("GPL v2");
+MODULE_VERSION("0.0.2");
MODULE_ALIAS("platform:"DRIVER_NAME);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 18:17:41 +0000