[PATCH v3 1/1] radio: Add radio-timb
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.rojf...@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 000..c650865 --- /dev/null +++ b/drivers/media/radio/radio-timb.c @@ -0,0 +1,260 @@ +/* + * 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,
Re: [PATCH v3 1/1] radio: Add radio-timb
Hi Richard, On Wed, 3 Feb 2010, Richard R?jfors wrote: 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 R?jfors richard.rojf...@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 000..c650865 --- /dev/null +++ b/drivers/media/radio/radio-timb.c @@ -0,0 +1,260 @@ +/* + * 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; Recommend removing '*' here. See notes below. + 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