[PATCH v4] radio: Add radio-timb

[PATCH v4] radio: Add radio-timb

[Richard Röjfors]

This patch add supports for the radio system on the Intel Russellville board.

It's a In-Vehicle Infotainment board with a radio tuner and DSP.

This umbrella driver has the DSP and tuner as V4L2 subdevs and calls them
when needed.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
---
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index 3f40f37..c242939 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -429,4 +429,14 @@ config RADIO_TEF6862
  	  To compile this driver as a module, choose M here: the
  	  module will be called TEF6862.

+config RADIO_TIMBERDALE
+	tristate "Enable the Timberdale radio driver"
+	depends on MFD_TIMBERDALE && VIDEO_V4L2
+	select RADIO_TEF6862
+	select RADIO_SAA7706H
+	---help---
+	  This is a kind of umbrella driver for the Radio Tuner and DSP
+	  found behind the Timberdale FPGA on the Russellville board.
+	  Enabling this driver will automatically select the DSP and tuner.
+
  endif # RADIO_ADAPTERS
diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
index 01922ad..8973850 100644
--- a/drivers/media/radio/Makefile
+++ b/drivers/media/radio/Makefile
@@ -24,5 +24,6 @@ obj-$(CONFIG_RADIO_SI470X) += si470x/
  obj-$(CONFIG_USB_MR800) += radio-mr800.o
  obj-$(CONFIG_RADIO_TEA5764) += radio-tea5764.o
  obj-$(CONFIG_RADIO_TEF6862) += tef6862.o
+obj-$(CONFIG_RADIO_TIMBERDALE) += radio-timb.o

  EXTRA_CFLAGS += -Isound
diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c
new file mode 100644
index 0000000..0de457f
--- /dev/null
+++ b/drivers/media/radio/radio-timb.c
@@ -0,0 +1,244 @@
+/*
+ * radio-timb.c Timberdale FPGA Radio driver
+ * Copyright (c) 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * 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 <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <media/timb_radio.h>
+
+#define DRIVER_NAME "timb-radio"
+
+struct timbradio {
+	struct timb_radio_platform_data	pdata;
+	struct v4l2_subdev	*sd_tuner;
+	struct v4l2_subdev	*sd_dsp;
+	struct video_device	video_dev;
+	struct v4l2_device	v4l2_dev;
+};
+
+
+static int timbradio_vidioc_querycap(struct file *file, void  *priv,
+	struct v4l2_capability *v)
+{
+	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;
+	return 0;
+}
+
+static int timbradio_vidioc_g_tuner(struct file *file, void *priv,
+	struct v4l2_tuner *v)
+{
+	struct timbradio *tr = video_drvdata(file);
+	return v4l2_subdev_call(tr->sd_tuner, tuner, g_tuner, v);
+}
+
+static int timbradio_vidioc_s_tuner(struct file *file, void *priv,
+	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)
+{
+	struct timbradio *tr = video_drvdata(file);
+	return v4l2_subdev_call(tr->sd_tuner, tuner, s_frequency, f);
+}
+
+static int timbradio_vidioc_g_frequency(struct file *file, void *priv,
+	struct v4l2_frequency *f)
+{
+	struct timbradio *tr = video_drvdata(file);
+	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
+};
+
+static const struct v4l2_file_operations timbradio_fops = {
+	.owner		= THIS_MODULE,
+	.ioctl		= video_ioctl2,
+};
+
+static int __devinit timbradio_probe(struct platform_device *pdev)
+{
+	struct timb_radio_platform_data *pdata = pdev->dev.platform_data;
+	struct timbradio *tr;
+	int err;
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "Platform data missing\n");
+		err = -EINVAL;
+		goto err;
+	}
+
+	tr = kzalloc(sizeof(*tr), GFP_KERNEL);
+	if (!tr) {
+		err = -ENOMEM;
+		goto err;
+	}
+
+	tr->pdata = *pdata;
+
+	strlcpy(tr->video_dev.name, "Timberdale Radio",
+		sizeof(tr->video_dev.name));
+	tr->video_dev.fops = &timbradio_fops;
+	tr->video_dev.ioctl_ops = &timbradio_ioctl_ops;
+	tr->video_dev.release = video_device_release_empty;
+	tr->video_dev.minor = -1;
+
+	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;
+
+	tr->video_dev.v4l2_dev = &tr->v4l2_dev;
+
+	err = video_register_device(&tr->video_dev, VFL_TYPE_RADIO, -1);
+	if (err) {
+		dev_err(&pdev->dev, "Error reg video\n");
+		goto err_video_req;
+	}
+
+	video_set_drvdata(&tr->video_dev, tr);
+
+	platform_set_drvdata(pdev, tr);
+	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)
+{
+	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;
+}
+
+static struct platform_driver timbradio_platform_driver = {
+	.driver = {
+		.name	= DRIVER_NAME,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= timbradio_probe,
+	.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_DESCRIPTION("Timberdale Radio driver");
+MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:"DRIVER_NAME);
diff --git a/include/media/timb_radio.h b/include/media/timb_radio.h
new file mode 100644
index 0000000..fcd32a3
--- /dev/null
+++ b/include/media/timb_radio.h
@@ -0,0 +1,36 @@
+/*
+ * timb_radio.h Platform struct for the Timberdale radio driver
+ * Copyright (c) 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _TIMB_RADIO_
+#define _TIMB_RADIO_ 1
+
+#include <linux/i2c.h>
+
+struct timb_radio_platform_data {
+	int i2c_adapter; /* I2C adapter where the tuner and dsp are attached */
+	struct {
+		const char *module_name;
+		struct i2c_board_info *info;
+	} tuner;
+	struct {
+		const char *module_name;
+		struct i2c_board_info *info;
+	} dsp;
+};
+
+#endif

Re: [PATCH v4] radio: Add radio-timb

[Hans Verkuil]

Hi Richard,

Looks good to me!

Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>

Regards,

       Hans

> This patch add supports for the radio system on the Intel Russellville
> board.
>
> It's a In-Vehicle Infotainment board with a radio tuner and DSP.
>
> This umbrella driver has the DSP and tuner as V4L2 subdevs and calls them
> when needed.
>
> Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
> ---
> diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
> index 3f40f37..c242939 100644
> --- a/drivers/media/radio/Kconfig
> +++ b/drivers/media/radio/Kconfig
> @@ -429,4 +429,14 @@ config RADIO_TEF6862
>   	  To compile this driver as a module, choose M here: the
>   	  module will be called TEF6862.
>
> +config RADIO_TIMBERDALE
> +	tristate "Enable the Timberdale radio driver"
> +	depends on MFD_TIMBERDALE && VIDEO_V4L2
> +	select RADIO_TEF6862
> +	select RADIO_SAA7706H
> +	---help---
> +	  This is a kind of umbrella driver for the Radio Tuner and DSP
> +	  found behind the Timberdale FPGA on the Russellville board.
> +	  Enabling this driver will automatically select the DSP and tuner.
> +
>   endif # RADIO_ADAPTERS
> diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
> index 01922ad..8973850 100644
> --- a/drivers/media/radio/Makefile
> +++ b/drivers/media/radio/Makefile
> @@ -24,5 +24,6 @@ obj-$(CONFIG_RADIO_SI470X) += si470x/
>   obj-$(CONFIG_USB_MR800) += radio-mr800.o
>   obj-$(CONFIG_RADIO_TEA5764) += radio-tea5764.o
>   obj-$(CONFIG_RADIO_TEF6862) += tef6862.o
> +obj-$(CONFIG_RADIO_TIMBERDALE) += radio-timb.o
>
>   EXTRA_CFLAGS += -Isound
> diff --git a/drivers/media/radio/radio-timb.c
> b/drivers/media/radio/radio-timb.c
> new file mode 100644
> index 0000000..0de457f
> --- /dev/null
> +++ b/drivers/media/radio/radio-timb.c
> @@ -0,0 +1,244 @@
> +/*
> + * radio-timb.c Timberdale FPGA Radio driver
> + * Copyright (c) 2009 Intel Corporation
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * 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 <linux/platform_device.h>
> +#include <linux/interrupt.h>
> +#include <linux/i2c.h>
> +#include <media/timb_radio.h>
> +
> +#define DRIVER_NAME "timb-radio"
> +
> +struct timbradio {
> +	struct timb_radio_platform_data	pdata;
> +	struct v4l2_subdev	*sd_tuner;
> +	struct v4l2_subdev	*sd_dsp;
> +	struct video_device	video_dev;
> +	struct v4l2_device	v4l2_dev;
> +};
> +
> +
> +static int timbradio_vidioc_querycap(struct file *file, void  *priv,
> +	struct v4l2_capability *v)
> +{
> +	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;
> +	return 0;
> +}
> +
> +static int timbradio_vidioc_g_tuner(struct file *file, void *priv,
> +	struct v4l2_tuner *v)
> +{
> +	struct timbradio *tr = video_drvdata(file);
> +	return v4l2_subdev_call(tr->sd_tuner, tuner, g_tuner, v);
> +}
> +
> +static int timbradio_vidioc_s_tuner(struct file *file, void *priv,
> +	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)
> +{
> +	struct timbradio *tr = video_drvdata(file);
> +	return v4l2_subdev_call(tr->sd_tuner, tuner, s_frequency, f);
> +}
> +
> +static int timbradio_vidioc_g_frequency(struct file *file, void *priv,
> +	struct v4l2_frequency *f)
> +{
> +	struct timbradio *tr = video_drvdata(file);
> +	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
> +};
> +
> +static const struct v4l2_file_operations timbradio_fops = {
> +	.owner		= THIS_MODULE,
> +	.ioctl		= video_ioctl2,
> +};
> +
> +static int __devinit timbradio_probe(struct platform_device *pdev)
> +{
> +	struct timb_radio_platform_data *pdata = pdev->dev.platform_data;
> +	struct timbradio *tr;
> +	int err;
> +
> +	if (!pdata) {
> +		dev_err(&pdev->dev, "Platform data missing\n");
> +		err = -EINVAL;
> +		goto err;
> +	}
> +
> +	tr = kzalloc(sizeof(*tr), GFP_KERNEL);
> +	if (!tr) {
> +		err = -ENOMEM;
> +		goto err;
> +	}
> +
> +	tr->pdata = *pdata;
> +
> +	strlcpy(tr->video_dev.name, "Timberdale Radio",
> +		sizeof(tr->video_dev.name));
> +	tr->video_dev.fops = &timbradio_fops;
> +	tr->video_dev.ioctl_ops = &timbradio_ioctl_ops;
> +	tr->video_dev.release = video_device_release_empty;
> +	tr->video_dev.minor = -1;
> +
> +	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;
> +
> +	tr->video_dev.v4l2_dev = &tr->v4l2_dev;
> +
> +	err = video_register_device(&tr->video_dev, VFL_TYPE_RADIO, -1);
> +	if (err) {
> +		dev_err(&pdev->dev, "Error reg video\n");
> +		goto err_video_req;
> +	}
> +
> +	video_set_drvdata(&tr->video_dev, tr);
> +
> +	platform_set_drvdata(pdev, tr);
> +	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)
> +{
> +	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;
> +}
> +
> +static struct platform_driver timbradio_platform_driver = {
> +	.driver = {
> +		.name	= DRIVER_NAME,
> +		.owner	= THIS_MODULE,
> +	},
> +	.probe		= timbradio_probe,
> +	.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_DESCRIPTION("Timberdale Radio driver");
> +MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
> +MODULE_LICENSE("GPL v2");
> +MODULE_ALIAS("platform:"DRIVER_NAME);
> diff --git a/include/media/timb_radio.h b/include/media/timb_radio.h
> new file mode 100644
> index 0000000..fcd32a3
> --- /dev/null
> +++ b/include/media/timb_radio.h
> @@ -0,0 +1,36 @@
> +/*
> + * timb_radio.h Platform struct for the Timberdale radio driver
> + * Copyright (c) 2009 Intel Corporation
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> + */
> +
> +#ifndef _TIMB_RADIO_
> +#define _TIMB_RADIO_ 1
> +
> +#include <linux/i2c.h>
> +
> +struct timb_radio_platform_data {
> +	int i2c_adapter; /* I2C adapter where the tuner and dsp are attached */
> +	struct {
> +		const char *module_name;
> +		struct i2c_board_info *info;
> +	} tuner;
> +	struct {
> +		const char *module_name;
> +		struct i2c_board_info *info;
> +	} dsp;
> +};
> +
> +#endif
>
>


-- 
Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom